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1.  Inherited variants in the inner centromere protein (INCENP) gene of the chromosomal passenger complex contribute to the susceptibility of ER-negative breast cancer 
Kabisch, Maria | Lorenzo Bermejo, Justo | Dünnebier, Thomas | Ying, Shibo | Michailidou, Kyriaki | Bolla, Manjeet K. | Wang, Qin | Dennis, Joe | Shah, Mitul | Perkins, Barbara J. | Czene, Kamila | Darabi, Hatef | Eriksson, Mikael | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Lambrechts, Diether | Neven, Patrick | Peeters, Stephanie | Weltens, Caroline | Couch, Fergus J. | Olson, Janet E. | Wang, Xianshu | Purrington, Kristen | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Peto, Julian | dos-Santos-Silva, Isabel | Johnson, Nichola | Fletcher, Olivia | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Schmidt, Marjanka K. | Broeks, Annegien | Cornelissen, Sten | Hogervorst, Frans B.L. | Li, Jingmei | Brand, Judith S. | Humphreys, Keith | Guénel, Pascal | Truong, Thérèse | Menegaux, Florence | Sanchez, Marie | Burwinkel, Barbara | Marmé, Frederik | Yang, Rongxi | Bugert, Peter | González-Neira, Anna | Benitez, Javier | Pilar Zamora, M. | Arias Perez, Jose I. | Cox, Angela | Cross, Simon S. | Reed, Malcolm W.R. | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Tchatchou, Sandrine | Sawyer, Elinor J. | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Haiman, Christopher A. | Schumacher, Fredrick | Henderson, Brian E. | Le Marchand, Loic | Lindblom, Annika | Margolin, Sara | Hooning, Maartje J. | Hollestelle, Antoinette | Kriege, Mieke | Koppert, Linetta B. | Hopper, John L. | Southey, Melissa C. | Tsimiklis, Helen | Apicella, Carmel | Slettedahl, Seth | Toland, Amanda E. | Vachon, Celine | Yannoukakos, Drakoulis | Giles, Graham G. | Milne, Roger L. | McLean, Catriona | Fasching, Peter A. | Ruebner, Matthias | Ekici, Arif B. | Beckmann, Matthias W. | Brenner, Hermann | Dieffenbach, Aida K. | Arndt, Volker | Stegmaier, Christa | Ashworth, Alan | Orr, Nicholas | Schoemaker, Minouk J. | Swerdlow, Anthony | García-Closas, Montserrat | Figueroa, Jonine | Chanock, Stephen J. | Lissowska, Jolanta | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Radice, Paolo | Peterlongo, Paolo | Scuvera, Giulietta | Fortuzzi, Stefano | Bogdanova, Natalia | Dörk, Thilo | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Devilee, Peter | Tollenaar, Robert A.E.M. | Seynaeve, Caroline | Van Asperen, Christi J. | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Zheng, Wei | Shrubsole, Martha J. | Cai, Qiuyin | Torres, Diana | Anton-Culver, Hoda | Kristensen, Vessela | Bacot, François | Tessier, Daniel C. | Vincent, Daniel | Luccarini, Craig | Baynes, Caroline | Ahmed, Shahana | Maranian, Mel | Simard, Jacques | Chenevix-Trench, Georgia | Hall, Per | Pharoah, Paul D.P. | Dunning, Alison M. | Easton, Douglas F. | Hamann, Ute
Carcinogenesis  2015;36(2):256-271.
Summary
This is the first study investigating the contribution of inherited variants in core genes of the chromosomal passenger complex to breast cancer susceptibility. It was found that several INCENP variants are associated with the risk of ER-negative breast cancer in the European population.
The chromosomal passenger complex (CPC) plays a pivotal role in the regulation of cell division. Therefore, inherited CPC variability could influence tumor development. The present candidate gene approach investigates the relationship between single nucleotide polymorphisms (SNPs) in genes encoding key CPC components and breast cancer risk. Fifteen SNPs in four CPC genes (INCENP, AURKB, BIRC5 and CDCA8) were genotyped in 88 911 European women from 39 case-control studies of the Breast Cancer Association Consortium. Possible associations were investigated in fixed-effects meta-analyses. The synonymous SNP rs1675126 in exon 7 of INCENP was associated with overall breast cancer risk [per A allele odds ratio (OR) 0.95, 95% confidence interval (CI) 0.92–0.98, P = 0.007] and particularly with estrogen receptor (ER)-negative breast tumors (per A allele OR 0.89, 95% CI 0.83–0.95, P = 0.0005). SNPs not directly genotyped were imputed based on 1000 Genomes. The SNPs rs1047739 in the 3ʹ untranslated region and rs144045115 downstream of INCENP showed the strongest association signals for overall (per T allele OR 1.03, 95% CI 1.00–1.06, P = 0.0009) and ER-negative breast cancer risk (per A allele OR 1.06, 95% CI 1.02–1.10, P = 0.0002). Two genotyped SNPs in BIRC5 were associated with familial breast cancer risk (top SNP rs2071214: per G allele OR 1.12, 95% CI 1.04–1.21, P = 0.002). The data suggest that INCENP in the CPC pathway contributes to ER-negative breast cancer susceptibility in the European population. In spite of a modest contribution of CPC-inherited variants to the total burden of sporadic and familial breast cancer, their potential as novel targets for breast cancer treatment should be further investigated.
doi:10.1093/carcin/bgu326
PMCID: PMC4335262  PMID: 25586992
2.  Identification and characterization of novel associations in the CASP8/ALS2CR12 region on chromosome 2 with breast cancer risk 
Lin, Wei-Yu | Camp, Nicola J. | Ghoussaini, Maya | Beesley, Jonathan | Michailidou, Kyriaki | Hopper, John L. | Apicella, Carmel | Southey, Melissa C. | Stone, Jennifer | Schmidt, Marjanka K. | Broeks, Annegien | Van't Veer, Laura J. | Th Rutgers, Emiel J. | Muir, Kenneth | Lophatananon, Artitaya | Stewart-Brown, Sarah | Siriwanarangsan, Pornthep | Fasching, Peter A. | Haeberle, Lothar | Ekici, Arif B. | Beckmann, Matthias W. | Peto, Julian | Dos-Santos-Silva, Isabel | Fletcher, Olivia | Johnson, Nichola | Bolla, Manjeet K. | Wang, Qin | Dennis, Joe | Sawyer, Elinor J. | Cheng, Timothy | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Marmé, Frederik | Surowy, Harald M. | Burwinkel, Barbara | Guénel, Pascal | Truong, Thérèse | Menegaux, Florence | Mulot, Claire | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Benitez, Javier | Zamora, M. Pilar | Arias Perez, Jose Ignacio | Menéndez, Primitiva | González-Neira, Anna | Pita, Guillermo | Alonso, M. Rosario | Álvarez, Nuria | Herrero, Daniel | Anton-Culver, Hoda | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Meindl, Alfons | Lichtner, Peter | Schmutzler, Rita K. | Müller-Myhsok, Bertram | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Tessier, Daniel C. | Vincent, Daniel | Bacot, Francois | Nevanlinna, Heli | Aittomäki, Kristiina | Blomqvist, Carl | Khan, Sofia | Matsuo, Keitaro | Ito, Hidemi | Iwata, Hiroji | Horio, Akiyo | Bogdanova, Natalia V. | Antonenkova, Natalia N. | Dörk, Thilo | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Wu, Anna H. | Tseng, Chiu-Chen | Van Den Berg, David | Stram, Daniel O. | Neven, Patrick | Wauters, Els | Wildiers, Hans | Lambrechts, Diether | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Bonanni, Bernardo | Couch, Fergus J. | Wang, Xianshu | Vachon, Celine | Purrington, Kristen | Giles, Graham G. | Milne, Roger L. | Mclean, Catriona | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Simard, Jacques | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Teo, Soo Hwang | Yip, Cheng Har | Hassan, Norhashimah | Vithana, Eranga Nishanthie | Kristensen, Vessela | Zheng, Wei | Deming-Halverson, Sandra | Shrubsole, Martha J. | Long, Jirong | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Kauppila, Saila | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Tchatchou, Sandrine | Devilee, Peter | Tollenaar, Robert A.E.M. | Seynaeve, Caroline | Van Asperen, Christi J. | García-Closas, Montserrat | Figueroa, Jonine | Lissowska, Jolanta | Brinton, Louise | Czene, Kamila | Darabi, Hatef | Eriksson, Mikael | Brand, Judith S. | Hooning, Maartje J. | Hollestelle, Antoinette | Van Den Ouweland, Ans M.W. | Jager, Agnes | Li, Jingmei | Liu, Jianjun | Humphreys, Keith | Shu, Xiao-Ou | Lu, Wei | Gao, Yu-Tang | Cai, Hui | Cross, Simon S. | Reed, Malcolm W. R. | Blot, William | Signorello, Lisa B. | Cai, Qiuyin | Pharoah, Paul D.P. | Perkins, Barbara | Shah, Mitul | Blows, Fiona M. | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Hartman, Mikael | Miao, Hui | Chia, Kee Seng | Putti, Thomas Choudary | Hamann, Ute | Luccarini, Craig | Baynes, Caroline | Ahmed, Shahana | Maranian, Mel | Healey, Catherine S. | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | Mckay, James | Slager, Susan | Toland, Amanda E. | Yannoukakos, Drakoulis | Shen, Chen-Yang | Hsiung, Chia-Ni | Wu, Pei-Ei | Ding, Shian-ling | Ashworth, Alan | Jones, Michael | Orr, Nick | Swerdlow, Anthony J | Tsimiklis, Helen | Makalic, Enes | Schmidt, Daniel F. | Bui, Quang M. | Chanock, Stephen J. | Hunter, David J. | Hein, Rebecca | Dahmen, Norbert | Beckmann, Lars | Aaltonen, Kirsimari | Muranen, Taru A. | Heikkinen, Tuomas | Irwanto, Astrid | Rahman, Nazneen | Turnbull, Clare A. | Waisfisz, Quinten | Meijers-Heijboer, Hanne E. J. | Adank, Muriel A. | Van Der Luijt, Rob B. | Hall, Per | Chenevix-Trench, Georgia | Dunning, Alison | Easton, Douglas F. | Cox, Angela
Human Molecular Genetics  2014;24(1):285-298.
Previous studies have suggested that polymorphisms in CASP8 on chromosome 2 are associated with breast cancer risk. To clarify the role of CASP8 in breast cancer susceptibility, we carried out dense genotyping of this region in the Breast Cancer Association Consortium (BCAC). Single-nucleotide polymorphisms (SNPs) spanning a 1 Mb region around CASP8 were genotyped in 46 450 breast cancer cases and 42 600 controls of European origin from 41 studies participating in the BCAC as part of a custom genotyping array experiment (iCOGS). Missing genotypes and SNPs were imputed and, after quality exclusions, 501 typed and 1232 imputed SNPs were included in logistic regression models adjusting for study and ancestry principal components. The SNPs retained in the final model were investigated further in data from nine genome-wide association studies (GWAS) comprising in total 10 052 case and 12 575 control subjects. The most significant association signal observed in European subjects was for the imputed intronic SNP rs1830298 in ALS2CR12 (telomeric to CASP8), with per allele odds ratio and 95% confidence interval [OR (95% confidence interval, CI)] for the minor allele of 1.05 (1.03–1.07), P = 1 × 10−5. Three additional independent signals from intronic SNPs were identified, in CASP8 (rs36043647), ALS2CR11 (rs59278883) and CFLAR (rs7558475). The association with rs1830298 was replicated in the imputed results from the combined GWAS (P = 3 × 10−6), yielding a combined OR (95% CI) of 1.06 (1.04–1.08), P = 1 × 10−9. Analyses of gene expression associations in peripheral blood and normal breast tissue indicate that CASP8 might be the target gene, suggesting a mechanism involving apoptosis.
doi:10.1093/hmg/ddu431
PMCID: PMC4334820  PMID: 25168388
3.  Genetic variation in mitotic regulatory pathway genes is associated with breast tumor grade 
Purrington, Kristen S. | Slettedahl, Seth | Bolla, Manjeet K. | Michailidou, Kyriaki | Czene, Kamila | Nevanlinna, Heli | Bojesen, Stig E. | Andrulis, Irene L. | Cox, Angela | Hall, Per | Carpenter, Jane | Yannoukakos, Drakoulis | Haiman, Christopher A. | Fasching, Peter A. | Mannermaa, Arto | Winqvist, Robert | Brenner, Hermann | Lindblom, Annika | Chenevix-Trench, Georgia | Benitez, Javier | Swerdlow, Anthony | Kristensen, Vessela | Guénel, Pascal | Meindl, Alfons | Darabi, Hatef | Eriksson, Mikael | Fagerholm, Rainer | Aittomäki, Kristiina | Blomqvist, Carl | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Wang, Xianshu | Olswold, Curtis | Olson, Janet E. | Mulligan, Anna Marie | Knight, Julia A. | Tchatchou, Sandrine | Reed, Malcolm W.R. | Cross, Simon S. | Liu, Jianjun | Li, Jingmei | Humphreys, Keith | Clarke, Christine | Scott, Rodney | Fostira, Florentia | Fountzilas, George | Konstantopoulou, Irene | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Ekici, Arif B. | Hartmann, Arndt | Beckmann, Matthias W. | Hartikainen, Jaana M. | Kosma, Veli-Matti | Kataja, Vesa | Jukkola-Vuorinen, Arja | Pylkäs, Katri | Kauppila, Saila | Dieffenbach, Aida Karina | Stegmaier, Christa | Arndt, Volker | Margolin, Sara | Balleine, Rosemary | Arias Perez, Jose Ignacio | Pilar Zamora, M. | Menéndez, Primitiva | Ashworth, Alan | Jones, Michael | Orr, Nick | Arveux, Patrick | Kerbrat, Pierre | Truong, Thérèse | Bugert, Peter | Toland, Amanda E. | Ambrosone, Christine B. | Labrèche, France | Goldberg, Mark S. | Dumont, Martine | Ziogas, Argyrios | Lee, Eunjung | Dite, Gillian S. | Apicella, Carmel | Southey, Melissa C. | Long, Jirong | Shrubsole, Martha | Deming-Halverson, Sandra | Ficarazzi, Filomena | Barile, Monica | Peterlongo, Paolo | Durda, Katarzyna | Jaworska-Bieniek, Katarzyna | Tollenaar, Robert A.E.M. | Seynaeve, Caroline | Brüning, Thomas | Ko, Yon-Dschun | Van Deurzen, Carolien H.M. | Martens, John W.M. | Kriege, Mieke | Figueroa, Jonine D. | Chanock, Stephen J. | Lissowska, Jolanta | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Schneeweiss, Andreas | Tapper, William J. | Gerty, Susan M. | Durcan, Lorraine | Mclean, Catriona | Milne, Roger L. | Baglietto, Laura | dos Santos Silva, Isabel | Fletcher, Olivia | Johnson, Nichola | Van'T Veer, Laura J. | Cornelissen, Sten | Försti, Asta | Torres, Diana | Rüdiger, Thomas | Rudolph, Anja | Flesch-Janys, Dieter | Nickels, Stefan | Weltens, Caroline | Floris, Giuseppe | Moisse, Matthieu | Dennis, Joe | Wang, Qin | Dunning, Alison M. | Shah, Mitul | Brown, Judith | Simard, Jacques | Anton-Culver, Hoda | Neuhausen, Susan L. | Hopper, John L. | Bogdanova, Natalia | Dörk, Thilo | Zheng, Wei | Radice, Paolo | Jakubowska, Anna | Lubinski, Jan | Devillee, Peter | Brauch, Hiltrud | Hooning, Maartje | García-Closas, Montserrat | Sawyer, Elinor | Burwinkel, Barbara | Marmee, Frederick | Eccles, Diana M. | Giles, Graham G. | Peto, Julian | Schmidt, Marjanka | Broeks, Annegien | Hamann, Ute | Chang-Claude, Jenny | Lambrechts, Diether | Pharoah, Paul D.P. | Easton, Douglas | Pankratz, V. Shane | Slager, Susan | Vachon, Celine M. | Couch, Fergus J.
Human Molecular Genetics  2014;23(22):6034-6046.
Mitotic index is an important component of histologic grade and has an etiologic role in breast tumorigenesis. Several small candidate gene studies have reported associations between variation in mitotic genes and breast cancer risk. We measured associations between 2156 single nucleotide polymorphisms (SNPs) from 194 mitotic genes and breast cancer risk, overall and by histologic grade, in the Breast Cancer Association Consortium (BCAC) iCOGS study (n = 39 067 cases; n = 42 106 controls). SNPs in TACC2 [rs17550038: odds ratio (OR) = 1.24, 95% confidence interval (CI) 1.16–1.33, P = 4.2 × 10−10) and EIF3H (rs799890: OR = 1.07, 95% CI 1.04–1.11, P = 8.7 × 10−6) were significantly associated with risk of low-grade breast cancer. The TACC2 signal was retained (rs17550038: OR = 1.15, 95% CI 1.07–1.23, P = 7.9 × 10−5) after adjustment for breast cancer risk SNPs in the nearby FGFR2 gene, suggesting that TACC2 is a novel, independent genome-wide significant genetic risk locus for low-grade breast cancer. While no SNPs were individually associated with high-grade disease, a pathway-level gene set analysis showed that variation across the 194 mitotic genes was associated with high-grade breast cancer risk (P = 2.1 × 10−3). These observations will provide insight into the contribution of mitotic defects to histological grade and the etiology of breast cancer.
doi:10.1093/hmg/ddu300
PMCID: PMC4204763  PMID: 24927736
4.  Prediction of Breast Cancer Risk Based on Profiling With Common Genetic Variants 
Mavaddat, Nasim | Pharoah, Paul D. P. | Michailidou, Kyriaki | Tyrer, Jonathan | Brook, Mark N. | Bolla, Manjeet K. | Wang, Qin | Dennis, Joe | Dunning, Alison M. | Shah, Mitul | Luben, Robert | Brown, Judith | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Czene, Kamila | Darabi, Hatef | Eriksson, Mikael | Peto, Julian | dos-Santos-Silva, Isabel | Dudbridge, Frank | Johnson, Nichola | Schmidt, Marjanka K. | Broeks, Annegien | Verhoef, Senno | Rutgers, Emiel J. | Swerdlow, Anthony | Ashworth, Alan | Orr, Nick | Schoemaker, Minouk J. | Figueroa, Jonine | Chanock, Stephen J. | Brinton, Louise | Lissowska, Jolanta | Couch, Fergus J. | Olson, Janet E. | Vachon, Celine | Pankratz, Vernon S. | Lambrechts, Diether | Wildiers, Hans | Van Ongeval, Chantal | van Limbergen, Erik | Kristensen, Vessela | Grenaker Alnæs, Grethe | Nord, Silje | Borresen-Dale, Anne-Lise | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Fasching, Peter A. | Haeberle, Lothar | Ekici, Arif B. | Beckmann, Matthias W. | Burwinkel, Barbara | Marme, Frederik | Schneeweiss, Andreas | Sohn, Christof | Trentham-Dietz, Amy | Newcomb, Polly | Titus, Linda | Egan, Kathleen M. | Hunter, David J. | Lindstrom, Sara | Tamimi, Rulla M. | Kraft, Peter | Rahman, Nazneen | Turnbull, Clare | Renwick, Anthony | Seal, Sheila | Li, Jingmei | Liu, Jianjun | Humphreys, Keith | Benitez, Javier | Pilar Zamora, M. | Arias Perez, Jose Ignacio | Menéndez, Primitiva | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Bogdanova, Natalia V. | Antonenkova, Natalia N. | Dörk, Thilo | Anton-Culver, Hoda | Neuhausen, Susan L. | Ziogas, Argyrios | Bernstein, Leslie | Devilee, Peter | Tollenaar, Robert A. E. M. | Seynaeve, Caroline | van Asperen, Christi J. | Cox, Angela | Cross, Simon S. | Reed, Malcolm W. R. | Khusnutdinova, Elza | Bermisheva, Marina | Prokofyeva, Darya | Takhirova, Zalina | Meindl, Alfons | Schmutzler, Rita K. | Sutter, Christian | Yang, Rongxi | Schürmann, Peter | Bremer, Michael | Christiansen, Hans | Park-Simon, Tjoung-Won | Hillemanns, Peter | Guénel, Pascal | Truong, Thérèse | Menegaux, Florence | Sanchez, Marie | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Pensotti, Valeria | Hopper, John L. | Tsimiklis, Helen | Apicella, Carmel | Southey, Melissa C. | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Sigurdson, Alice J. | Doody, Michele M. | Hamann, Ute | Torres, Diana | Ulmer, Hans-Ulrich | Försti, Asta | Sawyer, Elinor J. | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Marie Mulligan, Anna | Chenevix-Trench, Georgia | Balleine, Rosemary | Giles, Graham G. | Milne, Roger L. | McLean, Catriona | Lindblom, Annika | Margolin, Sara | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Eilber, Ursula | Wang-Gohrke, Shan | Hooning, Maartje J. | Hollestelle, Antoinette | van den Ouweland, Ans M. W. | Koppert, Linetta B. | Carpenter, Jane | Clarke, Christine | Scott, Rodney | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Brenner, Hermann | Arndt, Volker | Stegmaier, Christa | Karina Dieffenbach, Aida | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Offit, Kenneth | Vijai, Joseph | Robson, Mark | Rau-Murthy, Rohini | Dwek, Miriam | Swann, Ruth | Annie Perkins, Katherine | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Eccles, Diana M. | Tapper, William J. | Rafiq, Sajjad | John, Esther M. | Whittemore, Alice S. | Slager, Susan | Yannoukakos, Drakoulis | Toland, Amanda E. | Yao, Song | Zheng, Wei | Halverson, Sandra L. | González-Neira, Anna | Pita, Guillermo | Rosario Alonso, M. | Álvarez, Nuria | Herrero, Daniel | Tessier, Daniel C. | Vincent, Daniel | Bacot, Francois | Luccarini, Craig | Baynes, Caroline | Ahmed, Shahana | Maranian, Mel | Healey, Catherine S. | Simard, Jacques | Hall, Per | Easton, Douglas F. | Garcia-Closas, Montserrat
Background:
Data for multiple common susceptibility alleles for breast cancer may be combined to identify women at different levels of breast cancer risk. Such stratification could guide preventive and screening strategies. However, empirical evidence for genetic risk stratification is lacking.
Methods:
We investigated the value of using 77 breast cancer-associated single nucleotide polymorphisms (SNPs) for risk stratification, in a study of 33 673 breast cancer cases and 33 381 control women of European origin. We tested all possible pair-wise multiplicative interactions and constructed a 77-SNP polygenic risk score (PRS) for breast cancer overall and by estrogen receptor (ER) status. Absolute risks of breast cancer by PRS were derived from relative risk estimates and UK incidence and mortality rates.
Results:
There was no strong evidence for departure from a multiplicative model for any SNP pair. Women in the highest 1% of the PRS had a three-fold increased risk of developing breast cancer compared with women in the middle quintile (odds ratio [OR] = 3.36, 95% confidence interval [CI] = 2.95 to 3.83). The ORs for ER-positive and ER-negative disease were 3.73 (95% CI = 3.24 to 4.30) and 2.80 (95% CI = 2.26 to 3.46), respectively. Lifetime risk of breast cancer for women in the lowest and highest quintiles of the PRS were 5.2% and 16.6% for a woman without family history, and 8.6% and 24.4% for a woman with a first-degree family history of breast cancer.
Conclusions:
The PRS stratifies breast cancer risk in women both with and without a family history of breast cancer. The observed level of risk discrimination could inform targeted screening and prevention strategies. Further discrimination may be achievable through combining the PRS with lifestyle/environmental factors, although these were not considered in this report.
doi:10.1093/jnci/djv036
PMCID: PMC4754625  PMID: 25855707
5.  A large-scale assessment of two-way SNP interactions in breast cancer susceptibility using 46 450 cases and 42 461 controls from the breast cancer association consortium 
Milne, Roger L. | Herranz, Jesús | Michailidou, Kyriaki | Dennis, Joe | Tyrer, Jonathan P. | Zamora, M. Pilar | Arias-Perez, José Ignacio | González-Neira, Anna | Pita, Guillermo | Alonso, M. Rosario | Wang, Qin | Bolla, Manjeet K. | Czene, Kamila | Eriksson, Mikael | Humphreys, Keith | Darabi, Hatef | Li, Jingmei | Anton-Culver, Hoda | Neuhausen, Susan L. | Ziogas, Argyrios | Clarke, Christina A. | Hopper, John L. | Dite, Gillian S. | Apicella, Carmel | Southey, Melissa C. | Chenevix-Trench, Georgia | Swerdlow, Anthony | Ashworth, Alan | Orr, Nicholas | Schoemaker, Minouk | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Mulligan, Anna Marie | Bojesen, Stig E. | Nordestgaard, Børge G. | Flyger, Henrik | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Wang, Xianshu | Olson, Janet E. | Vachon, Celine | Purrington, Kristen | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Dunning, Alison M. | Shah, Mitul | Guénel, Pascal | Truong, Thérèse | Sanchez, Marie | Mulot, Claire | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Lindblom, Annika | Margolin, Sara | Hooning, Maartje J. | Hollestelle, Antoinette | Collée, J. Margriet | Jager, Agnes | Cox, Angela | Brock, Ian W. | Reed, Malcolm W.R. | Devilee, Peter | Tollenaar, Robert A.E.M. | Seynaeve, Caroline | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Simard, Jacques | Dumont, Martine | Soucy, Penny | Dörk, Thilo | Bogdanova, Natalia V. | Hamann, Ute | Försti, Asta | Rüdiger, Thomas | Ulmer, Hans-Ulrich | Fasching, Peter A. | Häberle, Lothar | Ekici, Arif B. | Beckmann, Matthias W. | Fletcher, Olivia | Johnson, Nichola | dos Santos Silva, Isabel | Peto, Julian | Radice, Paolo | Peterlongo, Paolo | Peissel, Bernard | Mariani, Paolo | Giles, Graham G. | Severi, Gianluca | Baglietto, Laura | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Marme, Federik | Burwinkel, Barbara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Lambrechts, Diether | Yesilyurt, Betul T. | Floris, Giuseppe | Leunen, Karin | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børresen-Dale, Anne-Lise | García-Closas, Montserrat | Chanock, Stephen J. | Lissowska, Jolanta | Figueroa, Jonine D. | Schmidt, Marjanka K. | Broeks, Annegien | Verhoef, Senno | Rutgers, Emiel J. | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Couch, Fergus J. | Toland, Amanda E. | Yannoukakos, Drakoulis | Pharoah, Paul D.P. | Hall, Per | Benítez, Javier | Malats, Núria | Easton, Douglas F.
Human Molecular Genetics  2013;23(7):1934-1946.
Part of the substantial unexplained familial aggregation of breast cancer may be due to interactions between common variants, but few studies have had adequate statistical power to detect interactions of realistic magnitude. We aimed to assess all two-way interactions in breast cancer susceptibility between 70 917 single nucleotide polymorphisms (SNPs) selected primarily based on prior evidence of a marginal effect. Thirty-eight international studies contributed data for 46 450 breast cancer cases and 42 461 controls of European origin as part of a multi-consortium project (COGS). First, SNPs were preselected based on evidence (P < 0.01) of a per-allele main effect, and all two-way combinations of those were evaluated by a per-allele (1 d.f.) test for interaction using logistic regression. Second, all 2.5 billion possible two-SNP combinations were evaluated using Boolean operation-based screening and testing, and SNP pairs with the strongest evidence of interaction (P < 10−4) were selected for more careful assessment by logistic regression. Under the first approach, 3277 SNPs were preselected, but an evaluation of all possible two-SNP combinations (1 d.f.) identified no interactions at P < 10−8. Results from the second analytic approach were consistent with those from the first (P > 10−10). In summary, we observed little evidence of two-way SNP interactions in breast cancer susceptibility, despite the large number of SNPs with potential marginal effects considered and the very large sample size. This finding may have important implications for risk prediction, simplifying the modelling required. Further comprehensive, large-scale genome-wide interaction studies may identify novel interacting loci if the inherent logistic and computational challenges can be overcome.
doi:10.1093/hmg/ddt581
PMCID: PMC3943524  PMID: 24242184
6.  Fine-mapping identifies two additional breast cancer susceptibility loci at 9q31.2 
Orr, Nick | Dudbridge, Frank | Dryden, Nicola | Maguire, Sarah | Novo, Daniela | Perrakis, Eleni | Johnson, Nichola | Ghoussaini, Maya | Hopper, John L. | Southey, Melissa C. | Apicella, Carmel | Stone, Jennifer | Schmidt, Marjanka K. | Broeks, Annegien | Van't Veer, Laura J. | Hogervorst, Frans B. | Fasching, Peter A. | Haeberle, Lothar | Ekici, Arif B. | Beckmann, Matthias W. | Gibson, Lorna | Aitken, Zoe | Warren, Helen | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Burwinkel, Barbara | Marme, Frederik | Schneeweiss, Andreas | Sohn, Chistof | Guénel, Pascal | Truong, Thérèse | Cordina-Duverger, Emilie | Sanchez, Marie | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Benitez, Javier | Zamora, Maria Pilar | Arias Perez, Jose Ignacio | Menéndez, Primitiva | Anton-Culver, Hoda | Neuhausen, Susan L. | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Hamann, Ute | Brauch, Hiltrud | Justenhoven, Christina | Brüning, Thomas | Ko, Yon-Dschun | Nevanlinna, Heli | Aittomäki, Kristiina | Blomqvist, Carl | Khan, Sofia | Bogdanova, Natalia | Dörk, Thilo | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Chenevix-Trench, Georgia | Beesley, Jonathan | Lambrechts, Diether | Moisse, Matthieu | Floris, Guiseppe | Beuselinck, Benoit | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Peissel, Bernard | Pensotti, Valeria | Couch, Fergus J. | Olson, Janet E. | Slettedahl, Seth | Vachon, Celine | Giles, Graham G. | Milne, Roger L. | McLean, Catriona | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Simard, Jacques | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Kristensen, Vessela | Alnæs, Grethe Grenaker | Nord, Silje | Borresen-Dale, Anne-Lise | Zheng, Wei | Deming-Halverson, Sandra | Shrubsole, Martha | Long, Jirong | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Tchatchou, Sandrine | Devilee, Peter | Tollenaar, Robertus A. E. M. | Seynaeve, Caroline M. | Van Asperen, Christi J. | Garcia-Closas, Montserrat | Figueroa, Jonine | Chanock, Stephen J. | Lissowska, Jolanta | Czene, Kamila | Darabi, Hatef | Eriksson, Mikael | Klevebring, Daniel | Hooning, Maartje J. | Hollestelle, Antoinette | van Deurzen, Carolien H. M. | Kriege, Mieke | Hall, Per | Li, Jingmei | Liu, Jianjun | Humphreys, Keith | Cox, Angela | Cross, Simon S. | Reed, Malcolm W. R. | Pharoah, Paul D. P. | Dunning, Alison M. | Shah, Mitul | Perkins, Barbara J. | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Ashworth, Alan | Swerdlow, Anthony | Jones, Michael | Schoemaker, Minouk J. | Meindl, Alfons | Schmutzler, Rita K. | Olswold, Curtis | Slager, Susan | Toland, Amanda E. | Yannoukakos, Drakoulis | Muir, Kenneth | Lophatananon, Artitaya | Stewart-Brown, Sarah | Siriwanarangsan, Pornthep | Matsuo, Keitaro | Ito, Hidema | Iwata, Hiroji | Ishiguro, Junko | Wu, Anna H. | Tseng, Chiu-chen | Van Den Berg, David | Stram, Daniel O. | Teo, Soo Hwang | Yip, Cheng Har | Kang, Peter | Ikram, Mohammad Kamran | Shu, Xiao-Ou | Lu, Wei | Gao, Yu-Tang | Cai, Hui | Kang, Daehee | Choi, Ji-Yeob | Park, Sue K. | Noh, Dong-Young | Hartman, Mikael | Miao, Hui | Lim, Wei Yen | Lee, Soo Chin | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | Mckay, James | Wu, Pei-Ei | Hou, Ming-Feng | Yu, Jyh-Cherng | Shen, Chen-Yang | Blot, William | Cai, Qiuyin | Signorello, Lisa B. | Luccarini, Craig | Bayes, Caroline | Ahmed, Shahana | Maranian, Mel | Healey, Catherine S. | González-Neira, Anna | Pita, Guillermo | Alonso, M. Rosario | Álvarez, Nuria | Herrero, Daniel | Tessier, Daniel C. | Vincent, Daniel | Bacot, Francois | Hunter, David J. | Lindstrom, Sara | Dennis, Joe | Michailidou, Kyriaki | Bolla, Manjeet K. | Easton, Douglas F. | dos Santos Silva, Isabel | Fletcher, Olivia | Peto, Julian
Human Molecular Genetics  2015;24(10):2966-2984.
We recently identified a novel susceptibility variant, rs865686, for estrogen-receptor positive breast cancer at 9q31.2. Here, we report a fine-mapping analysis of the 9q31.2 susceptibility locus using 43 160 cases and 42 600 controls of European ancestry ascertained from 52 studies and a further 5795 cases and 6624 controls of Asian ancestry from nine studies. Single nucleotide polymorphism (SNP) rs676256 was most strongly associated with risk in Europeans (odds ratios [OR] = 0.90 [0.88–0.92]; P-value = 1.58 × 10−25). This SNP is one of a cluster of highly correlated variants, including rs865686, that spans ∼14.5 kb. We identified two additional independent association signals demarcated by SNPs rs10816625 (OR = 1.12 [1.08–1.17]; P-value = 7.89 × 10−09) and rs13294895 (OR = 1.09 [1.06–1.12]; P-value = 2.97 × 10−11). SNP rs10816625, but not rs13294895, was also associated with risk of breast cancer in Asian individuals (OR = 1.12 [1.06–1.18]; P-value = 2.77 × 10−05). Functional genomic annotation using data derived from breast cancer cell-line models indicates that these SNPs localise to putative enhancer elements that bind known drivers of hormone-dependent breast cancer, including ER-α, FOXA1 and GATA-3. In vitro analyses indicate that rs10816625 and rs13294895 have allele-specific effects on enhancer activity and suggest chromatin interactions with the KLF4 gene locus. These results demonstrate the power of dense genotyping in large studies to identify independent susceptibility variants. Analysis of associations using subjects with different ancestry, combined with bioinformatic and genomic characterisation, can provide strong evidence for the likely causative alleles and their functional basis.
doi:10.1093/hmg/ddv035
PMCID: PMC4406292  PMID: 25652398
7.  Refined histopathological predictors of BRCA1 and BRCA2 mutation status: a large-scale analysis of breast cancer characteristics from the BCAC, CIMBA, and ENIGMA consortia 
Spurdle, Amanda B | Couch, Fergus J | Parsons, Michael T | McGuffog, Lesley | Barrowdale, Daniel | Bolla, Manjeet K | Wang, Qin | Healey, Sue | Schmutzler, Rita Katharina | Wappenschmidt, Barbara | Rhiem, Kerstin | Hahnen, Eric | Engel, Christoph | Meindl, Alfons | Ditsch, Nina | Arnold, Norbert | Plendl, Hansjoerg | Niederacher, Dieter | Sutter, Christian | Wang-Gohrke, Shan | Steinemann, Doris | Preisler-Adams, Sabine | Kast, Karin | Varon-Mateeva, Raymonda | Ellis, Steve | Frost, Debra | Platte, Radka | Perkins, Jo | Evans, D Gareth | Izatt, Louise | Eeles, Ros | Adlard, Julian | Davidson, Rosemarie | Cole, Trevor | Scuvera, Giulietta | Manoukian, Siranoush | Bonanni, Bernardo | Mariette, Frederique | Fortuzzi, Stefano | Viel, Alessandra | Pasini, Barbara | Papi, Laura | Varesco, Liliana | Balleine, Rosemary | Nathanson, Katherine L | Domchek, Susan M | Offitt, Kenneth | Jakubowska, Anna | Lindor, Noralane | Thomassen, Mads | Jensen, Uffe Birk | Rantala, Johanna | Borg, Åke | Andrulis, Irene L | Miron, Alexander | Hansen, Thomas VO | Caldes, Trinidad | Neuhausen, Susan L | Toland, Amanda E | Nevanlinna, Heli | Montagna, Marco | Garber, Judy | Godwin, Andrew K | Osorio, Ana | Factor, Rachel E | Terry, Mary B | Rebbeck, Timothy R | Karlan, Beth Y | Southey, Melissa | Rashid, Muhammad Usman | Tung, Nadine | Pharoah, Paul DP | Blows, Fiona M | Dunning, Alison M | Provenzano, Elena | Hall, Per | Czene, Kamila | Schmidt, Marjanka K | Broeks, Annegien | Cornelissen, Sten | Verhoef, Senno | Fasching, Peter A | Beckmann, Matthias W | Ekici, Arif B | Slamon, Dennis J | Bojesen, Stig E | Nordestgaard, Børge G | Nielsen, Sune F | Flyger, Henrik | Chang-Claude, Jenny | Flesch-Janys, Dieter | Rudolph, Anja | Seibold, Petra | Aittomäki, Kristiina | Muranen, Taru A | Heikkilä, Päivi | Blomqvist, Carl | Figueroa, Jonine | Chanock, Stephen J | Brinton, Louise | Lissowska, Jolanta | Olson, Janet E | Pankratz, Vernon S | John, Esther M | Whittemore, Alice S | West, Dee W | Hamann, Ute | Torres, Diana | Ulmer, Hans Ulrich | Rüdiger, Thomas | Devilee, Peter | Tollenaar, Robert AEM | Seynaeve, Caroline | Van Asperen, Christi J | Eccles, Diana M | Tapper, William J | Durcan, Lorraine | Jones, Louise | Peto, Julian | dos-Santos-Silva, Isabel | Fletcher, Olivia | Johnson, Nichola | Dwek, Miriam | Swann, Ruth | Bane, Anita L | Glendon, Gord | Mulligan, Anna M | Giles, Graham G | Milne, Roger L | Baglietto, Laura | McLean, Catriona | Carpenter, Jane | Clarke, Christine | Scott, Rodney | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Cox, Angela | Cross, Simon S | Reed, Malcolm WR | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Gronwald, Jacek | Dörk, Thilo | Bogdanova, Natalia | Park-Simon, Tjoung-Won | Hillemanns, Peter | Haiman, Christopher A | Henderson, Brian E | Schumacher, Fredrick | Le Marchand, Loic | Burwinkel, Barbara | Marme, Frederik | Surovy, Harald | Yang, Rongxi | Anton-Culver, Hoda | Ziogas, Argyrios | Hooning, Maartje J | Collée, J Margriet | Martens, John WM | Tilanus-Linthorst, Madeleine MA | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volke | Stegmaier, Christa | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Lindblom, Annika | Margolin, Sara | Joseph, Vijai | Robson, Mark | Rau-Murthy, Rohini | González-Neira, Anna | Arias, José Ignacio | Zamora, Pilar | Benítez, Javier | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M | Peterlongo, Paolo | Zaffaroni, Daniela | Barile, Monica | Capra, Fabio | Radice, Paolo | Teo, Soo H | Easton, Douglas F | Antoniou, Antonis C | Chenevix-Trench, Georgia | Goldgar, David E
Breast Cancer Research : BCR  2014;16(6):3419.
Introduction
The distribution of histopathological features of invasive breast tumors in BRCA1 or BRCA2 germline mutation carriers differs from that of individuals with no known mutation. Histopathological features thus have utility for mutation prediction, including statistical modeling to assess pathogenicity of BRCA1 or BRCA2 variants of uncertain clinical significance. We analyzed large pathology datasets accrued by the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) and the Breast Cancer Association Consortium (BCAC) to reassess histopathological predictors of BRCA1 and BRCA2 mutation status, and provide robust likelihood ratio (LR) estimates for statistical modeling.
Methods
Selection criteria for study/center inclusion were estrogen receptor (ER) status or grade data available for invasive breast cancer diagnosed younger than 70 years. The dataset included 4,477 BRCA1 mutation carriers, 2,565 BRCA2 mutation carriers, and 47,565 BCAC breast cancer cases. Country-stratified estimates of the likelihood of mutation status by histopathological markers were derived using a Mantel-Haenszel approach.
Results
ER-positive phenotype negatively predicted BRCA1 mutation status, irrespective of grade (LRs from 0.08 to 0.90). ER-negative grade 3 histopathology was more predictive of positive BRCA1 mutation status in women 50 years or older (LR = 4.13 (3.70 to 4.62)) versus younger than 50 years (LR = 3.16 (2.96 to 3.37)). For BRCA2, ER-positive grade 3 phenotype modestly predicted positive mutation status irrespective of age (LR = 1.7-fold), whereas ER-negative grade 3 features modestly predicted positive mutation status at 50 years or older (LR = 1.54 (1.27 to 1.88)). Triple-negative tumor status was highly predictive of BRCA1 mutation status for women younger than 50 years (LR = 3.73 (3.43 to 4.05)) and 50 years or older (LR = 4.41 (3.86 to 5.04)), and modestly predictive of positive BRCA2 mutation status in women 50 years or older (LR = 1.79 (1.42 to 2.24)).
Conclusions
These results refine likelihood-ratio estimates for predicting BRCA1 and BRCA2 mutation status by using commonly measured histopathological features. Age at diagnosis is an important variable for most analyses, and grade is more informative than ER status for BRCA2 mutation carrier prediction. The estimates will improve BRCA1 and BRCA2 variant classification and inform patient mutation testing and clinical management.
Electronic supplementary material
The online version of this article (doi:10.1186/s13058-014-0474-y) contains supplementary material, which is available to authorized users.
doi:10.1186/s13058-014-0474-y
PMCID: PMC4352262  PMID: 25857409
8.  MicroRNA Related Polymorphisms and Breast Cancer Risk 
Khan, Sofia | Greco, Dario | Michailidou, Kyriaki | Milne, Roger L. | Muranen, Taru A. | Heikkinen, Tuomas | Aaltonen, Kirsimari | Dennis, Joe | Bolla, Manjeet K. | Liu, Jianjun | Hall, Per | Irwanto, Astrid | Humphreys, Keith | Li, Jingmei | Czene, Kamila | Chang-Claude, Jenny | Hein, Rebecca | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Fletcher, Olivia | Peto, Julian | dos Santos Silva, Isabel | Johnson, Nichola | Gibson, Lorna | Aitken, Zoe | Hopper, John L. | Tsimiklis, Helen | Bui, Minh | Makalic, Enes | Schmidt, Daniel F. | Southey, Melissa C. | Apicella, Carmel | Stone, Jennifer | Waisfisz, Quinten | Meijers-Heijboer, Hanne | Adank, Muriel A. | van der Luijt, Rob B. | Meindl, Alfons | Schmutzler, Rita K. | Müller-Myhsok, Bertram | Lichtner, Peter | Turnbull, Clare | Rahman, Nazneen | Chanock, Stephen J. | Hunter, David J. | Cox, Angela | Cross, Simon S. | Reed, Malcolm W. R. | Schmidt, Marjanka K. | Broeks, Annegien | Veer, Laura J. V. a. n't. | Hogervorst, Frans B. | Fasching, Peter A. | Schrauder, Michael G. | Ekici, Arif B. | Beckmann, Matthias W. | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Benitez, Javier | Zamora, Pilar M. | Perez, Jose I. A. | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Pharoah, Paul D. P. | Dunning, Alison M. | Shah, Mitul | Luben, Robert | Brown, Judith | Couch, Fergus J. | Wang, Xianshu | Vachon, Celine | Olson, Janet E. | Lambrechts, Diether | Moisse, Matthieu | Paridaens, Robert | Christiaens, Marie-Rose | Guénel, Pascal | Truong, Thérèse | Laurent-Puig, Pierre | Mulot, Claire | Marme, Frederick | Burwinkel, Barbara | Schneeweiss, Andreas | Sohn, Christof | Sawyer, Elinor J. | Tomlinson, Ian | Kerin, Michael J. | Miller, Nicola | Andrulis, Irene L. | Knight, Julia A. | Tchatchou, Sandrine | Mulligan, Anna Marie | Dörk, Thilo | Bogdanova, Natalia V. | Antonenkova, Natalia N. | Anton-Culver, Hoda | Darabi, Hatef | Eriksson, Mikael | Garcia-Closas, Montserrat | Figueroa, Jonine | Lissowska, Jolanta | Brinton, Louise | Devilee, Peter | Tollenaar, Robert A. E. M. | Seynaeve, Caroline | van Asperen, Christi J. | Kristensen, Vessela N. | Slager, Susan | Toland, Amanda E. | Ambrosone, Christine B. | Yannoukakos, Drakoulis | Lindblom, Annika | Margolin, Sara | Radice, Paolo | Peterlongo, Paolo | Barile, Monica | Mariani, Paolo | Hooning, Maartje J. | Martens, John W. M. | Collée, J. Margriet | Jager, Agnes | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Giles, Graham G. | McLean, Catriona | Brauch, Hiltrud | Brüning, Thomas | Ko, Yon-Dschun | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Swerdlow, Anthony | Ashworth, Alan | Orr, Nick | Jones, Michael | Simard, Jacques | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Mannermaa, Arto | Hamann, Ute | Chenevix-Trench, Georgia | Blomqvist, Carl | Aittomäki, Kristiina | Easton, Douglas F. | Nevanlinna, Heli
PLoS ONE  2014;9(11):e109973.
Genetic variations, such as single nucleotide polymorphisms (SNPs) in microRNAs (miRNA) or in the miRNA binding sites may affect the miRNA dependent gene expression regulation, which has been implicated in various cancers, including breast cancer, and may alter individual susceptibility to cancer. We investigated associations between miRNA related SNPs and breast cancer risk. First we evaluated 2,196 SNPs in a case-control study combining nine genome wide association studies (GWAS). Second, we further investigated 42 SNPs with suggestive evidence for association using 41,785 cases and 41,880 controls from 41 studies included in the Breast Cancer Association Consortium (BCAC). Combining the GWAS and BCAC data within a meta-analysis, we estimated main effects on breast cancer risk as well as risks for estrogen receptor (ER) and age defined subgroups. Five miRNA binding site SNPs associated significantly with breast cancer risk: rs1045494 (odds ratio (OR) 0.92; 95% confidence interval (CI): 0.88–0.96), rs1052532 (OR 0.97; 95% CI: 0.95–0.99), rs10719 (OR 0.97; 95% CI: 0.94–0.99), rs4687554 (OR 0.97; 95% CI: 0.95–0.99, and rs3134615 (OR 1.03; 95% CI: 1.01–1.05) located in the 3′ UTR of CASP8, HDDC3, DROSHA, MUSTN1, and MYCL1, respectively. DROSHA belongs to miRNA machinery genes and has a central role in initial miRNA processing. The remaining genes are involved in different molecular functions, including apoptosis and gene expression regulation. Further studies are warranted to elucidate whether the miRNA binding site SNPs are the causative variants for the observed risk effects.
doi:10.1371/journal.pone.0109973
PMCID: PMC4229095  PMID: 25390939
9.  Common non-synonymous SNPs associated with breast cancer susceptibility: findings from the Breast Cancer Association Consortium 
Milne, Roger L. | Burwinkel, Barbara | Michailidou, Kyriaki | Arias-Perez, Jose-Ignacio | Zamora, M. Pilar | Menéndez-Rodríguez, Primitiva | Hardisson, David | Mendiola, Marta | González-Neira, Anna | Pita, Guillermo | Alonso, M. Rosario | Dennis, Joe | Wang, Qin | Bolla, Manjeet K. | Swerdlow, Anthony | Ashworth, Alan | Orr, Nick | Schoemaker, Minouk | Ko, Yon-Dschun | Brauch, Hiltrud | Hamann, Ute | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Tchatchou, Sandrine | Matsuo, Keitaro | Ito, Hidemi | Iwata, Hiroji | Tajima, Kazuo | Li, Jingmei | Brand, Judith S. | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Lambrechts, Diether | Peuteman, Gilian | Christiaens, Marie-Rose | Smeets, Ann | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katazyna | Hartman, Mikael | Hui, Miao | Yen Lim, Wei | Wan Chan, Ching | Marme, Federick | Yang, Rongxi | Bugert, Peter | Lindblom, Annika | Margolin, Sara | García-Closas, Montserrat | Chanock, Stephen J. | Lissowska, Jolanta | Figueroa, Jonine D. | Bojesen, Stig E. | Nordestgaard, Børge G. | Flyger, Henrik | Hooning, Maartje J. | Kriege, Mieke | van den Ouweland, Ans M.W. | Koppert, Linetta B. | Fletcher, Olivia | Johnson, Nichola | dos-Santos-Silva, Isabel | Peto, Julian | Zheng, Wei | Deming-Halverson, Sandra | Shrubsole, Martha J. | Long, Jirong | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Cox, Angela | Cross, Simon S. | Reed, Malcolm W.R. | Schmidt, Marjanka K. | Broeks, Annegien | Cornelissen, Sten | Braaf, Linde | Kang, Daehee | Choi, Ji-Yeob | Park, Sue K. | Noh, Dong-Young | Simard, Jacques | Dumont, Martine | Goldberg, Mark S. | Labrèche, France | Fasching, Peter A. | Hein, Alexander | Ekici, Arif B. | Beckmann, Matthias W. | Radice, Paolo | Peterlongo, Paolo | Azzollini, Jacopo | Barile, Monica | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Hopper, John L. | Schmidt, Daniel F. | Makalic, Enes | Southey, Melissa C. | Hwang Teo, Soo | Har Yip, Cheng | Sivanandan, Kavitta | Tay, Wan-Ting | Shen, Chen-Yang | Hsiung, Chia-Ni | Yu, Jyh-Cherng | Hou, Ming-Feng | Guénel, Pascal | Truong, Therese | Sanchez, Marie | Mulot, Claire | Blot, William | Cai, Qiuyin | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Wu, Anna H. | Tseng, Chiu-Chen | Van Den Berg, David | Stram, Daniel O. | Bogdanova, Natalia | Dörk, Thilo | Muir, Kenneth | Lophatananon, Artitaya | Stewart-Brown, Sarah | Siriwanarangsan, Pornthep | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Shu, Xiao-Ou | Lu, Wei | Gao, Yu-Tang | Zhang, Ben | Couch, Fergus J. | Toland, Amanda E. | Yannoukakos, Drakoulis | Sangrajrang, Suleeporn | McKay, James | Wang, Xianshu | Olson, Janet E. | Vachon, Celine | Purrington, Kristen | Severi, Gianluca | Baglietto, Laura | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Devilee, Peter | Tollenaar, Robert A.E.M. | Seynaeve, Caroline | Czene, Kamila | Eriksson, Mikael | Humphreys, Keith | Darabi, Hatef | Ahmed, Shahana | Shah, Mitul | Pharoah, Paul D.P. | Hall, Per | Giles, Graham G. | Benítez, Javier | Dunning, Alison M. | Chenevix-Trench, Georgia | Easton, Douglas F. | Berchuck, Andrew | Eeles, Rosalind A. | Olama, Ali Amin Al | Kote-Jarai, Zsofia | Benlloch, Sara | Antoniou, Antonis | McGuffog, Lesley | Offit, Ken | Lee, Andrew | Dicks, Ed | Luccarini, Craig | Tessier, Daniel C. | Bacot, Francois | Vincent, Daniel | LaBoissière, Sylvie | Robidoux, Frederic | Nielsen, Sune F. | Cunningham, Julie M. | Windebank, Sharon A. | Hilker, Christopher A. | Meyer, Jeffrey | Angelakos, Maggie | Maskiell, Judi | van der Schoot, Ellen | Rutgers, Emiel | Verhoef, Senno | Hogervorst, Frans | Boonyawongviroj, Prat | Siriwanarungsan, Pornthep | Schrauder, Michael | Rübner, Matthias | Oeser, Sonja | Landrith, Silke | Williams, Eileen | Ryder-Mills, Elaine | Sargus, Kara | McInerney, Niall | Colleran, Gabrielle | Rowan, Andrew | Jones, Angela | Sohn, Christof | Schneeweiß, Andeas | Bugert, Peter | Álvarez, Núria | Lacey, James | Wang, Sophia | Ma, Huiyan | Lu, Yani | Deapen, Dennis | Pinder, Rich | Lee, Eunjung | Schumacher, Fred | Horn-Ross, Pam | Reynolds, Peggy | Nelson, David | Ziegler, Hartwig | Wolf, Sonja | Hermann, Volker | Lo, Wing-Yee | Justenhoven, Christina | Baisch, Christian | Fischer, Hans-Peter | Brüning, Thomas | Pesch, Beate | Rabstein, Sylvia | Lotz, Anne | Harth, Volker | Heikkinen, Tuomas | Erkkilä, Irja | Aaltonen, Kirsimari | von Smitten, Karl | Antonenkova, Natalia | Hillemanns, Peter | Christiansen, Hans | Myöhänen, Eija | Kemiläinen, Helena | Thorne, Heather | Niedermayr, Eveline | Bowtell, D | Chenevix-Trench, G | deFazio, A | Gertig, D | Green, A | Webb, P | Green, A. | Parsons, P. | Hayward, N. | Webb, P. | Whiteman, D. | Fung, Annie | Yashiki, June | Peuteman, Gilian | Smeets, Dominiek | Brussel, Thomas Van | Corthouts, Kathleen | Obi, Nadia | Heinz, Judith | Behrens, Sabine | Eilber, Ursula | Celik, Muhabbet | Olchers, Til | Manoukian, Siranoush | Peissel, Bernard | Scuvera, Giulietta | Zaffaroni, Daniela | Bonanni, Bernardo | Feroce, Irene | Maniscalco, Angela | Rossi, Alessandra | Bernard, Loris | Tranchant, Martine | Valois, Marie-France | Turgeon, Annie | Heguy, Lea | Sze Yee, Phuah | Kang, Peter | Nee, Kang In | Mariapun, Shivaani | Sook-Yee, Yoon | Lee, Daphne | Ching, Teh Yew | Taib, Nur Aishah Mohd | Otsukka, Meeri | Mononen, Kari | Selander, Teresa | Weerasooriya, Nayana | staff, OFBCR | Krol-Warmerdam, E. | Molenaar, J. | Blom, J. | Brinton, Louise | Szeszenia-Dabrowska, Neonila | Peplonska, Beata | Zatonski, Witold | Chao, Pei | Stagner, Michael | Bos, Petra | Blom, Jannet | Crepin, Ellen | Nieuwlaat, Anja | Heemskerk, Annette | Higham, Sue | Cross, Simon | Cramp, Helen | Connley, Dan | Balasubramanian, Sabapathy | Brock, Ian | Luccarini, Craig | Conroy, Don | Baynes, Caroline | Chua, Kimberley
Human Molecular Genetics  2014;23(22):6096-6111.
Candidate variant association studies have been largely unsuccessful in identifying common breast cancer susceptibility variants, although most studies have been underpowered to detect associations of a realistic magnitude. We assessed 41 common non-synonymous single-nucleotide polymorphisms (nsSNPs) for which evidence of association with breast cancer risk had been previously reported. Case-control data were combined from 38 studies of white European women (46 450 cases and 42 600 controls) and analyzed using unconditional logistic regression. Strong evidence of association was observed for three nsSNPs: ATXN7-K264R at 3p21 [rs1053338, per allele OR = 1.07, 95% confidence interval (CI) = 1.04–1.10, P = 2.9 × 10−6], AKAP9-M463I at 7q21 (rs6964587, OR = 1.05, 95% CI = 1.03–1.07, P = 1.7 × 10−6) and NEK10-L513S at 3p24 (rs10510592, OR = 1.10, 95% CI = 1.07–1.12, P = 5.1 × 10−17). The first two associations reached genome-wide statistical significance in a combined analysis of available data, including independent data from nine genome-wide association studies (GWASs): for ATXN7-K264R, OR = 1.07 (95% CI = 1.05–1.10, P = 1.0 × 10−8); for AKAP9-M463I, OR = 1.05 (95% CI = 1.04–1.07, P = 2.0 × 10−10). Further analysis of other common variants in these two regions suggested that intronic SNPs nearby are more strongly associated with disease risk. We have thus identified a novel susceptibility locus at 3p21, and confirmed previous suggestive evidence that rs6964587 at 7q21 is associated with risk. The third locus, rs10510592, is located in an established breast cancer susceptibility region; the association was substantially attenuated after adjustment for the known GWAS hit. Thus, each of the associated nsSNPs is likely to be a marker for another, non-coding, variant causally related to breast cancer risk. Further fine-mapping and functional studies are required to identify the underlying risk-modifying variants and the genes through which they act.
doi:10.1093/hmg/ddu311
PMCID: PMC4204770  PMID: 24943594
10.  Genetic variation at CYP3A is associated with age at menarche and breast cancer risk: a case-control study 
Johnson, Nichola | Dudbridge, Frank | Orr, Nick | Gibson, Lorna | Jones, Michael E | Schoemaker, Minouk J | Folkerd, Elizabeth J | Haynes, Ben P | Hopper, John L | Southey, Melissa C | Dite, Gillian S | Apicella, Carmel | Schmidt, Marjanka K | Broeks, Annegien | Van’t Veer, Laura J | Atsma, Femke | Muir, Kenneth | Lophatananon, Artitaya | Fasching, Peter A | Beckmann, Matthias W | Ekici, Arif B | Renner, Stefan P | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Burwinkel, Barbara | Marme, Frederik | Schneeweiss, Andreas | Sohn, Christof | Guénel, Pascal | Truong, Therese | Cordina, Emilie | Menegaux, Florence | Bojesen, Stig E | Nordestgaard, Børge G | Flyger, Henrik | Milne, Roger | Zamora, M Pilar | Arias Perez, Jose Ignacio | Benitez, Javier | Bernstein, Leslie | Anton-Culver, Hoda | Ziogas, Argyrios | Clarke Dur, Christina | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Dieffenbach, Aida Karina | Meindl, Alfons | Heil, Joerg | Bartram, Claus R | Schmutzler, Rita K | Brauch, Hiltrud | Justenhoven, Christina | Ko, Yon-Dschun | Nevanlinna, Heli | Muranen, Taru A | Aittomäki, Kristiina | Blomqvist, Carl | Matsuo, Keitaro | Dörk, Thilo | Bogdanova, Natalia V | Antonenkova, Natalia N | Lindblom, Annika | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M | Chenevix-Trench, Georgia | Beesley, Jonathan | Wu, Anna H | Van den Berg, David | Tseng, Chiu-Chen | Lambrechts, Diether | Smeets, Dominiek | Neven, Patrick | Wildiers, Hans | Chang-Claude, Jenny | Rudolph, Anja | Nickels, Stefan | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Bonanni, Bernardo | Pensotti, Valeria | Couch, Fergus J | Olson, Janet E | Wang, Xianshu | Fredericksen, Zachary | Pankratz, Vernon S | Giles, Graham G | Severi, Gianluca | Baglietto, Laura | Haiman, Chris | Simard, Jacques | Goldberg, Mark S | Labrèche, France | Dumont, Martine | Soucy, Penny | Teo, Soo | Yip, Cheng Har | Phuah, Sze Yee | Cornes, Belinda K | Kristensen, Vessela N | Grenaker Alnæs, Grethe | Børresen-Dale, Anne-Lise | Zheng, Wei | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene L | Knight, Julia A | Glendon, Gord | Mulligan, Anna Marie | Devillee, Peter | Figueroa, Jonine | Chanock, Stephen J | Lissowska, Jolanta | Sherman, Mark E | Hall, Per | Schoof, Nils | Hooning, Maartje | Hollestelle, Antoinette | Oldenburg, Rogier A | Tilanus-Linthorst, Madeleine | Liu, Jianjun | Cox, Angie | Brock, Ian W | Reed, Malcolm WR | Cross, Simon S | Blot, William | Signorello, Lisa B | Pharoah, Paul DP | Dunning, Alison M | Shah, Mitul | Kang, Daehee | Noh, Dong-Young | Park, Sue K | Choi, Ji-Yeob | Hartman, Mikael | Miao, Hui | Lim, Wei Yen | Tang, Anthony | Hamann, Ute | Försti, Asta | Rüdiger, Thomas | Ulmer, Hans Ulrich | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | McKay, James | Slager, Susan | Toland, Amanda E | Vachon, Celine | Yannoukakos, Drakoulis | Shen, Chen-Yang | Yu, Jyh-Cherng | Huang, Chiun-Sheng | Hou, Ming-Feng | González-Neira, Anna | Tessier, Daniel C | Vincent, Daniel | Bacot, Francois | Luccarini, Craig | Dennis, Joe | Michailidou, Kyriaki | Bolla, Manjeet K | Wang, Jean | Easton, Douglas F | García-Closas, Montserrat | Dowsett, Mitch | Ashworth, Alan | Swerdlow, Anthony J | Peto, Julian | dos Santos Silva, Isabel | Fletcher, Olivia
Introduction
We have previously shown that a tag single nucleotide polymorphism (rs10235235), which maps to the CYP3A locus (7q22.1), was associated with a reduction in premenopausal urinary estrone glucuronide levels and a modest reduction in risk of breast cancer in women age ≤50 years.
Methods
We further investigated the association of rs10235235 with breast cancer risk in a large case control study of 47,346 cases and 47,570 controls from 52 studies participating in the Breast Cancer Association Consortium. Genotyping of rs10235235 was conducted using a custom Illumina Infinium array. Stratified analyses were conducted to determine whether this association was modified by age at diagnosis, ethnicity, age at menarche or tumor characteristics.
Results
We confirmed the association of rs10235235 with breast cancer risk for women of European ancestry but found no evidence that this association differed with age at diagnosis. Heterozygote and homozygote odds ratios (ORs) were OR = 0.98 (95% CI 0.94, 1.01; P = 0.2) and OR = 0.80 (95% CI 0.69, 0.93; P = 0.004), respectively (Ptrend = 0.02). There was no evidence of effect modification by tumor characteristics. rs10235235 was, however, associated with age at menarche in controls (Ptrend = 0.005) but not cases (Ptrend = 0.97). Consequently the association between rs10235235 and breast cancer risk differed according to age at menarche (Phet = 0.02); the rare allele of rs10235235 was associated with a reduction in breast cancer risk for women who had their menarche age ≥15 years (ORhet = 0.84, 95% CI 0.75, 0.94; ORhom = 0.81, 95% CI 0.51, 1.30; Ptrend = 0.002) but not for those who had their menarche age ≤11 years (ORhet = 1.06, 95% CI 0.95, 1.19, ORhom = 1.07, 95% CI 0.67, 1.72; Ptrend = 0.29).
Conclusions
To our knowledge rs10235235 is the first single nucleotide polymorphism to be associated with both breast cancer risk and age at menarche consistent with the well-documented association between later age at menarche and a reduction in breast cancer risk. These associations are likely mediated via an effect on circulating hormone levels.
doi:10.1186/bcr3662
PMCID: PMC4522594  PMID: 24887515
11.  Identification of New Genetic Susceptibility Loci for Breast Cancer Through Consideration of Gene-Environment Interactions 
Schoeps, Anja | Rudolph, Anja | Seibold, Petra | Dunning, Alison M. | Milne, Roger L. | Bojesen, Stig E. | Swerdlow, Anthony | Andrulis, Irene | Brenner, Hermann | Behrens, Sabine | Orr, Nicholas | Jones, Michael | Ashworth, Alan | Li, Jingmei | Cramp, Helen | Connley, Dan | Czene, Kamila | Darabi, Hatef | Chanock, Stephen J. | Lissowska, Jolanta | Figueroa, Jonine D. | Knight, Julia | Glendon, Gord | Mulligan, Anna M. | Dumont, Martine | Severi, Gianluca | Baglietto, Laura | Olson, Janet | Vachon, Celine | Purrington, Kristen | Moisse, Matthieu | Neven, Patrick | Wildiers, Hans | Spurdle, Amanda | Kosma, Veli-Matti | Kataja, Vesa | Hartikainen, Jaana M. | Hamann, Ute | Ko, Yon-Dschun | Dieffenbach, Aida K. | Arndt, Volker | Stegmaier, Christa | Malats, Núria | Arias Perez, JoséI. | Benítez, Javier | Flyger, Henrik | Nordestgaard, Børge G. | Truong, Théresè | Cordina-Duverger, Emilie | Menegaux, Florence | Silva, Isabel dos Santos | Fletcher, Olivia | Johnson, Nichola | Häberle, Lothar | Beckmann, Matthias W. | Ekici, Arif B. | Braaf, Linde | Atsma, Femke | van den Broek, Alexandra J. | Makalic, Enes | Schmidt, Daniel F. | Southey, Melissa C. | Cox, Angela | Simard, Jacques | Giles, Graham G. | Lambrechts, Diether | Mannermaa, Arto | Brauch, Hiltrud | Guénel, Pascal | Peto, Julian | Fasching, Peter A. | Hopper, John | Flesch-Janys, Dieter | Couch, Fergus | Chenevix-Trench, Georgia | Pharoah, Paul D. P. | Garcia-Closas, Montserrat | Schmidt, Marjanka K. | Hall, Per | Easton, Douglas F. | Chang-Claude, Jenny
Genetic epidemiology  2013;38(1):84-93.
Genes that alter disease risk only in combination with certain environmental exposures may not be detected in genetic association analysis. By using methods accounting for gene-environment (G × E) interaction, we aimed to identify novel genetic loci associated with breast cancer risk. Up to 34,475 cases and 34,786 controls of European ancestry from up to 23 studies in the Breast Cancer Association Consortium were included. Overall, 71,527 single nucleotide polymorphisms (SNPs), enriched for association with breast cancer, were tested for interaction with 10 environmental risk factors using three recently proposed hybrid methods and a joint test of association and interaction. Analyses were adjusted for age, study, population stratification, and confounding factors as applicable. Three SNPs in two independent loci showed statistically significant association: SNPs rs10483028 and rs2242714 in perfect linkage disequilibrium on chromosome 21 and rs12197388 in ARID1B on chromosome 6. While rs12197388 was identified using the joint test with parity and with age at menarche (P-values = 3 × 10−07), the variants on chromosome 21 q22.12, which showed interaction with adult body mass index (BMI) in 8,891 postmenopausal women, were identified by all methods applied. SNP rs10483028 was associated with breast cancer in women with a BMI below 25 kg/m2 (OR = 1.26, 95% CI 1.15–1.38) but not in women with a BMI of 30 kg/m2 or higher (OR = 0.89, 95% CI 0.72–1.11, P for interaction = 3.2 × 10−05). Our findings confirm comparable power of the recent methods for detecting G × E interaction and the utility of using G × E interaction analyses to identify new susceptibility loci.
doi:10.1002/gepi.21771
PMCID: PMC3995140  PMID: 24248812
breast cancer risk; gene-environment interaction; polymorphisms; body mass index; case-control study
12.  Genetic Predisposition to In Situ and Invasive Lobular Carcinoma of the Breast 
Sawyer, Elinor | Roylance, Rebecca | Petridis, Christos | Brook, Mark N. | Nowinski, Salpie | Papouli, Efterpi | Fletcher, Olivia | Pinder, Sarah | Hanby, Andrew | Kohut, Kelly | Gorman, Patricia | Caneppele, Michele | Peto, Julian | dos Santos Silva, Isabel | Johnson, Nichola | Swann, Ruth | Dwek, Miriam | Perkins, Katherine-Anne | Gillett, Cheryl | Houlston, Richard | Ross, Gillian | De Ieso, Paolo | Southey, Melissa C. | Hopper, John L. | Provenzano, Elena | Apicella, Carmel | Wesseling, Jelle | Cornelissen, Sten | Keeman, Renske | Fasching, Peter A. | Jud, Sebastian M. | Ekici, Arif B. | Beckmann, Matthias W. | Kerin, Michael J. | Marme, Federick | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Guénel, Pascal | Truong, Therese | Laurent-Puig, Pierre | Kerbrat, Pierre | Bojesen, Stig E. | Nordestgaard, Børge G. | Nielsen, Sune F. | Flyger, Henrik | Milne, Roger L. | Perez, Jose Ignacio Arias | Menéndez, Primitiva | Benitez, Javier | Brenner, Hermann | Dieffenbach, Aida Karina | Arndt, Volker | Stegmaier, Christa | Meindl, Alfons | Lichtner, Peter | Schmutzler, Rita K. | Lochmann, Magdalena | Brauch, Hiltrud | Fischer, Hans-Peter | Ko, Yon-Dschun | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Bogdanova, Natalia V. | Dörk, Thilo | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Chenevix-Trench, Georgia | Investigators, kConFab | Lambrechts, Diether | Weltens, Caroline | Van Limbergen, Erik | Hatse, Sigrid | Chang-Claude, Jenny | Rudolph, Anja | Seibold, Petra | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Bonanni, Bernardo | Volorio, Sara | Giles, Graham G. | Severi, Gianluca | Baglietto, Laura | Mclean, Catriona A. | Haiman, Christopher A. | Henderson, Brian E. | Schumacher, Fredrick | Le Marchand, Loic | Simard, Jacques | Goldberg, Mark S. | Labrèche, France | Dumont, Martine | Kristensen, Vessela | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Kauppila, Saila | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Mulligan, Anna Marie | Devillee, Peter | Tollenaar, Rob A. E. M. | Seynaeve, Caroline M. | Kriege, Mieke | Figueroa, Jonine | Chanock, Stephen J. | Sherman, Mark E. | Hooning, Maartje J. | Hollestelle, Antoinette | van den Ouweland, Ans M. W. | van Deurzen, Carolien H. M. | Li, Jingmei | Czene, Kamila | Humphreys, Keith | Cox, Angela | Cross, Simon S. | Reed, Malcolm W. R. | Shah, Mitul | Jakubowska, Anna | Lubinski, Jan | Jaworska-Bieniek, Katarzyna | Durda, Katarzyna | Swerdlow, Anthony | Ashworth, Alan | Orr, Nicholas | Schoemaker, Minouk | Couch, Fergus J. | Hallberg, Emily | González-Neira, Anna | Pita, Guillermo | Alonso, M. Rosario | Tessier, Daniel C. | Vincent, Daniel | Bacot, Francois | Bolla, Manjeet K. | Wang, Qin | Dennis, Joe | Michailidou, Kyriaki | Dunning, Alison M. | Hall, Per | Easton, Doug | Pharoah, Paul | Schmidt, Marjanka K. | Tomlinson, Ian | Garcia-Closas, Montserrat
PLoS Genetics  2014;10(4):e1004285.
Invasive lobular breast cancer (ILC) accounts for 10–15% of all invasive breast carcinomas. It is generally ER positive (ER+) and often associated with lobular carcinoma in situ (LCIS). Genome-wide association studies have identified more than 70 common polymorphisms that predispose to breast cancer, but these studies included predominantly ductal (IDC) carcinomas. To identify novel common polymorphisms that predispose to ILC and LCIS, we pooled data from 6,023 cases (5,622 ILC, 401 pure LCIS) and 34,271 controls from 36 studies genotyped using the iCOGS chip. Six novel SNPs most strongly associated with ILC/LCIS in the pooled analysis were genotyped in a further 516 lobular cases (482 ILC, 36 LCIS) and 1,467 controls. These analyses identified a lobular-specific SNP at 7q34 (rs11977670, OR (95%CI) for ILC = 1.13 (1.09–1.18), P = 6.0×10−10; P-het for ILC vs IDC ER+ tumors = 1.8×10−4). Of the 75 known breast cancer polymorphisms that were genotyped, 56 were associated with ILC and 15 with LCIS at P<0.05. Two SNPs showed significantly stronger associations for ILC than LCIS (rs2981579/10q26/FGFR2, P-het = 0.04 and rs889312/5q11/MAP3K1, P-het = 0.03); and two showed stronger associations for LCIS than ILC (rs6678914/1q32/LGR6, P-het = 0.001 and rs1752911/6q14, P-het = 0.04). In addition, seven of the 75 known loci showed significant differences between ER+ tumors with IDC and ILC histology, three of these showing stronger associations for ILC (rs11249433/1p11, rs2981579/10q26/FGFR2 and rs10995190/10q21/ZNF365) and four associated only with IDC (5p12/rs10941679; rs2588809/14q24/RAD51L1, rs6472903/8q21 and rs1550623/2q31/CDCA7). In conclusion, we have identified one novel lobular breast cancer specific predisposition polymorphism at 7q34, and shown for the first time that common breast cancer polymorphisms predispose to LCIS. We have shown that many of the ER+ breast cancer predisposition loci also predispose to ILC, although there is some heterogeneity between ER+ lobular and ER+ IDC tumors. These data provide evidence for overlapping, but distinct etiological pathways within ER+ breast cancer between morphological subtypes.
Author Summary
Invasive lobular breast cancer (ILC) accounts for 10–15% of invasive breast cancer and is generally ER positive (ER+). To date, none of the genome-wide association studies that have identified loci that predispose to breast cancer in general or to ER+ or ER-negative breast cancer have focused on lobular breast cancer. In this lobular breast cancer study we identified a new variant that appears to be specific to this morphological subtype. We also ascertained which of the known variants predisposes specifically to lobular breast cancer and show for the first time that some of these loci are also associated with lobular carcinoma in situ, a non-obligate precursor of breast cancer and also a risk factor for contralateral breast cancer. Our study shows that the genetic pathways of invasive lobular cancer and ER+ ductal carcinoma mostly overlap, but there are important differences that are likely to provide insights into the biology of lobular breast tumors.
doi:10.1371/journal.pgen.1004285
PMCID: PMC3990493  PMID: 24743323
13.  Large-scale genotyping identifies 41 new loci associated with breast cancer risk 
Michailidou, Kyriaki | Hall, Per | Gonzalez-Neira, Anna | Ghoussaini, Maya | Dennis, Joe | Milne, Roger L | Schmidt, Marjanka K | Chang-Claude, Jenny | Bojesen, Stig E | Bolla, Manjeet K | Wang, Qin | Dicks, Ed | Lee, Andrew | Turnbull, Clare | Rahman, Nazneen | Fletcher, Olivia | Peto, Julian | Gibson, Lorna | Silva, Isabel dos Santos | Nevanlinna, Heli | Muranen, Taru A | Aittomäki, Kristiina | Blomqvist, Carl | Czene, Kamila | Irwanto, Astrid | Liu, Jianjun | Waisfisz, Quinten | Meijers-Heijboer, Hanne | Adank, Muriel | van der Luijt, Rob B | Hein, Rebecca | Dahmen, Norbert | Beckman, Lars | Meindl, Alfons | Schmutzler, Rita K | Müller-Myhsok, Bertram | Lichtner, Peter | Hopper, John L | Southey, Melissa C | Makalic, Enes | Schmidt, Daniel F | Uitterlinden, Andre G | Hofman, Albert | Hunter, David J | Chanock, Stephen J | Vincent, Daniel | Bacot, François | Tessier, Daniel C | Canisius, Sander | Wessels, Lodewyk F A | Haiman, Christopher A | Shah, Mitul | Luben, Robert | Brown, Judith | Luccarini, Craig | Schoof, Nils | Humphreys, Keith | Li, Jingmei | Nordestgaard, Børge G | Nielsen, Sune F | Flyger, Henrik | Couch, Fergus J | Wang, Xianshu | Vachon, Celine | Stevens, Kristen N | Lambrechts, Diether | Moisse, Matthieu | Paridaens, Robert | Christiaens, Marie-Rose | Rudolph, Anja | Nickels, Stefan | Flesch-Janys, Dieter | Johnson, Nichola | Aitken, Zoe | Aaltonen, Kirsimari | Heikkinen, Tuomas | Broeks, Annegien | Van’t Veer, Laura J | van der Schoot, C Ellen | Guénel, Pascal | Truong, Thérèse | Laurent-Puig, Pierre | Menegaux, Florence | Marme, Frederik | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Zamora, M Pilar | Perez, Jose Ignacio Arias | Pita, Guillermo | Alonso, M Rosario | Cox, Angela | Brock, Ian W | Cross, Simon S | Reed, Malcolm W R | Sawyer, Elinor J | Tomlinson, Ian | Kerin, Michael J | Miller, Nicola | Henderson, Brian E | Schumacher, Fredrick | Le Marchand, Loic | Andrulis, Irene L | Knight, Julia A | Glendon, Gord | Mulligan, Anna Marie | Lindblom, Annika | Margolin, Sara | Hooning, Maartje J | Hollestelle, Antoinette | van den Ouweland, Ans M W | Jager, Agnes | Bui, Quang M | Stone, Jennifer | Dite, Gillian S | Apicella, Carmel | Tsimiklis, Helen | Giles, Graham G | Severi, Gianluca | Baglietto, Laura | Fasching, Peter A | Haeberle, Lothar | Ekici, Arif B | Beckmann, Matthias W | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Swerdlow, Anthony | Ashworth, Alan | Orr, Nick | Jones, Michael | Figueroa, Jonine | Lissowska, Jolanta | Brinton, Louise | Goldberg, Mark S | Labrèche, France | Dumont, Martine | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Brauch, Hiltrud | Hamann, Ute | Brüning, Thomas | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Bonanni, Bernardo | Devilee, Peter | Tollenaar, Rob A E M | Seynaeve, Caroline | van Asperen, Christi J | Jakubowska, Anna | Lubinski, Jan | Jaworska, Katarzyna | Durda, Katarzyna | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M | Bogdanova, Natalia V | Antonenkova, Natalia N | Dörk, Thilo | Kristensen, Vessela N | Anton-Culver, Hoda | Slager, Susan | Toland, Amanda E | Edge, Stephen | Fostira, Florentia | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Matsuo, Keitaro | Ito, Hidemi | Iwata, Hiroji | Sueta, Aiko | Wu, Anna H | Tseng, Chiu-Chen | Van Den Berg, David | Stram, Daniel O | Shu, Xiao-Ou | Lu, Wei | Gao, Yu-Tang | Cai, Hui | Teo, Soo Hwang | Yip, Cheng Har | Phuah, Sze Yee | Cornes, Belinda K | Hartman, Mikael | Miao, Hui | Lim, Wei Yen | Sng, Jen-Hwei | Muir, Kenneth | Lophatananon, Artitaya | Stewart-Brown, Sarah | Siriwanarangsan, Pornthep | Shen, Chen-Yang | Hsiung, Chia-Ni | Wu, Pei-Ei | Ding, Shian-Ling | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | McKay, James | Blot, William J | Signorello, Lisa B | Cai, Qiuyin | Zheng, Wei | Deming-Halverson, Sandra | Shrubsole, Martha | Long, Jirong | Simard, Jacques | Garcia-Closas, Montse | Pharoah, Paul D P | Chenevix-Trench, Georgia | Dunning, Alison M | Benitez, Javier | Easton, Douglas F
Nature genetics  2013;45(4):353-361e2.
Breast cancer is the most common cancer among women. Common variants at 27 loci have been identified as associated with susceptibility to breast cancer, and these account for ~9% of the familial risk of the disease. We report here a meta-analysis of 9 genome-wide association studies, including 10,052 breast cancer cases and 12,575 controls of European ancestry, from which we selected 29,807 SNPs for further genotyping. These SNPs were genotyped in 45,290 cases and 41,880 controls of European ancestry from 41 studies in the Breast Cancer Association Consortium (BCAC). The SNPs were genotyped as part of a collaborative genotyping experiment involving four consortia (Collaborative Oncological Gene-environment Study, COGS) and used a custom Illumina iSelect genotyping array, iCOGS, comprising more than 200,000 SNPs. We identified SNPs at 41 new breast cancer susceptibility loci at genome-wide significance (P < 5 × 10−8). Further analyses suggest that more than 1,000 additional loci are involved in breast cancer susceptibility.
doi:10.1038/ng.2563
PMCID: PMC3771688  PMID: 23535729
14.  Genome-wide association studies identify four ER negative–specific breast cancer risk loci 
Garcia-Closas, Montserrat | Couch, Fergus J | Lindstrom, Sara | Michailidou, Kyriaki | Schmidt, Marjanka K | Brook, Mark N | orr, Nick | Rhie, Suhn Kyong | Riboli, Elio | Feigelson, Heather s | Le Marchand, Loic | Buring, Julie E | Eccles, Diana | Miron, Penelope | Fasching, Peter A | Brauch, Hiltrud | Chang-Claude, Jenny | Carpenter, Jane | Godwin, Andrew K | Nevanlinna, Heli | Giles, Graham G | Cox, Angela | Hopper, John L | Bolla, Manjeet K | Wang, Qin | Dennis, Joe | Dicks, Ed | Howat, Will J | Schoof, Nils | Bojesen, Stig E | Lambrechts, Diether | Broeks, Annegien | Andrulis, Irene L | Guénel, Pascal | Burwinkel, Barbara | Sawyer, Elinor J | Hollestelle, Antoinette | Fletcher, Olivia | Winqvist, Robert | Brenner, Hermann | Mannermaa, Arto | Hamann, Ute | Meindl, Alfons | Lindblom, Annika | Zheng, Wei | Devillee, Peter | Goldberg, Mark S | Lubinski, Jan | Kristensen, Vessela | Swerdlow, Anthony | Anton-Culver, Hoda | Dörk, Thilo | Muir, Kenneth | Matsuo, Keitaro | Wu, Anna H | Radice, Paolo | Teo, Soo Hwang | Shu, Xiao-Ou | Blot, William | Kang, Daehee | Hartman, Mikael | Sangrajrang, Suleeporn | Shen, Chen-Yang | Southey, Melissa C | Park, Daniel J | Hammet, Fleur | Stone, Jennifer | Veer, Laura J Van’t | Rutgers, Emiel J | Lophatananon, Artitaya | Stewart-Brown, Sarah | Siriwanarangsan, Pornthep | Peto, Julian | Schrauder, Michael G | Ekici, Arif B | Beckmann, Matthias W | Silva, Isabel dos Santos | Johnson, Nichola | Warren, Helen | Tomlinson, Ian | Kerin, Michael J | Miller, Nicola | Marme, Federick | Schneeweiss, Andreas | Sohn, Christof | Truong, Therese | Laurent-Puig, Pierre | Kerbrat, Pierre | Nordestgaard, Børge G | Nielsen, Sune F | Flyger, Henrik | Milne, Roger L | Perez, Jose Ignacio Arias | Menéndez, Primitiva | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Lichtner, Peter | Lochmann, Magdalena | Justenhoven, Christina | Ko, Yon-Dschun | Muranen, Taru A | Aittomäki, Kristiina | Blomqvist, Carl | Greco, Dario | Heikkinen, Tuomas | Ito, Hidemi | Iwata, Hiroji | Yatabe, Yasushi | Antonenkova, Natalia N | Margolin, Sara | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M | Balleine, Rosemary | Tseng, Chiu-Chen | Van Den Berg, David | Stram, Daniel O | Neven, Patrick | Dieudonné, Anne-Sophie | Leunen, Karin | Rudolph, Anja | Nickels, Stefan | Flesch-Janys, Dieter | Peterlongo, Paolo | Peissel, Bernard | Bernard, Loris | Olson, Janet E | Wang, Xianshu | Stevens, Kristen | Severi, Gianluca | Baglietto, Laura | Mclean, Catriona | Coetzee, Gerhard A | Feng, Ye | Henderson, Brian E | Schumacher, Fredrick | Bogdanova, Natalia V | Labrèche, France | Dumont, Martine | Yip, Cheng Har | Taib, Nur Aishah Mohd | Cheng, Ching-Yu | Shrubsole, Martha | Long, Jirong | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Kauppila, Saila | knight, Julia A | Glendon, Gord | Mulligan, Anna Marie | Tollenaar, Robertus A E M | Seynaeve, Caroline M | Kriege, Mieke | Hooning, Maartje J | Van den Ouweland, Ans M W | Van Deurzen, Carolien H M | Lu, Wei | Gao, Yu-Tang | Cai, Hui | Balasubramanian, Sabapathy P | Cross, Simon S | Reed, Malcolm W R | Signorello, Lisa | Cai, Qiuyin | Shah, Mitul | Miao, Hui | Chan, Ching Wan | Chia, Kee Seng | Jakubowska, Anna | Jaworska, Katarzyna | Durda, Katarzyna | Hsiung, Chia-Ni | Wu, Pei-Ei | Yu, Jyh-Cherng | Ashworth, Alan | Jones, Michael | Tessier, Daniel C | González-Neira, Anna | Pita, Guillermo | Alonso, M Rosario | Vincent, Daniel | Bacot, Francois | Ambrosone, Christine B | Bandera, Elisa V | John, Esther M | Chen, Gary K | Hu, Jennifer J | Rodriguez-gil, Jorge L | Bernstein, Leslie | Press, Michael F | Ziegler, Regina G | Millikan, Robert M | Deming-Halverson, Sandra L | Nyante, Sarah | Ingles, Sue A | Waisfisz, Quinten | Tsimiklis, Helen | Makalic, Enes | Schmidt, Daniel | Bui, Minh | Gibson, Lorna | Müller-Myhsok, Bertram | Schmutzler, Rita K | Hein, Rebecca | Dahmen, Norbert | Beckmann, Lars | Aaltonen, Kirsimari | Czene, Kamila | Irwanto, Astrid | Liu, Jianjun | Turnbull, Clare | Rahman, Nazneen | Meijers-Heijboer, Hanne | Uitterlinden, Andre G | Rivadeneira, Fernando | Olswold, Curtis | Slager, Susan | Pilarski, Robert | Ademuyiwa, Foluso | Konstantopoulou, Irene | Martin, Nicholas G | Montgomery, Grant W | Slamon, Dennis J | Rauh, Claudia | Lux, Michael P | Jud, Sebastian M | Bruning, Thomas | Weaver, Joellen | Sharma, Priyanka | Pathak, Harsh | Tapper, Will | Gerty, Sue | Durcan, Lorraine | Trichopoulos, Dimitrios | Tumino, Rosario | Peeters, Petra H | Kaaks, Rudolf | Campa, Daniele | Canzian, Federico | Weiderpass, Elisabete | Johansson, Mattias | Khaw, Kay-Tee | Travis, Ruth | Clavel-Chapelon, Françoise | Kolonel, Laurence N | Chen, Constance | Beck, Andy | Hankinson, Susan E | Berg, Christine D | Hoover, Robert N | Lissowska, Jolanta | Figueroa, Jonine D | Chasman, Daniel I | Gaudet, Mia M | Diver, W Ryan | Willett, Walter C | Hunter, David J | Simard, Jacques | Benitez, Javier | Dunning, Alison M | Sherman, Mark E | Chenevix-Trench, Georgia | Chanock, Stephen J | Hall, Per | Pharoah, Paul D P | Vachon, Celine | Easton, Douglas F | Haiman, Christopher A | Kraft, Peter
Nature genetics  2013;45(4):392-398e2.
Estrogen receptor (ER)-negative tumors represent 20–30% of all breast cancers, with a higher proportion occurring in younger women and women of African ancestry1. The etiology2 and clinical behavior3 of ER-negative tumors are different from those of tumors expressing ER (ER positive), including differences in genetic predisposition4. To identify susceptibility loci specific to ER-negative disease, we combined in a meta-analysis 3 genome-wide association studies of 4,193 ER-negative breast cancer cases and 35,194 controls with a series of 40 follow-up studies (6,514 cases and 41,455 controls), genotyped using a custom Illumina array, iCOGS, developed by the Collaborative Oncological Gene-environment Study (COGS). SNPs at four loci, 1q32.1 (MDM4, P = 2.1 × 10−12 and LGR6, P = 1.4 × 10−8), 2p24.1 (P = 4.6 × 10−8) and 16q12.2 (FTO, P = 4.0 × 10−8), were associated with ER-negative but not ER-positive breast cancer (P > 0.05). These findings provide further evidence for distinct etiological pathways associated with invasive ER-positive and ER-negative breast cancers.
doi:10.1038/ng.2561
PMCID: PMC3771695  PMID: 23535733
15.  A genome-wide association study to identify genetic susceptibility loci that modify ductal and lobular postmenopausal breast cancer risk associated with menopausal hormone therapy use: a two-stage design with replication 
Menopausal hormone therapy (MHT) is associated with an elevated risk of breast cancer in postmenopausal women. To identify genetic loci that modify breast cancer risk related to MHT use in postmenopausal women, we conducted a two-stage genome-wide association study (GWAS) with replication. In stage I, we performed a case-only GWAS in 731 invasive breast cancer cases from the German case-control study Mammary Carcinoma Risk Factor Investigation (MARIE). The 1,200 single nucleotide polymorphisms (SNPs) showing the lowest P values for interaction with current MHT use (within 6 months prior to breast cancer diagnosis), were carried forward to stage II, involving pooled case-control analyses including additional MARIE subjects (1,375 cases, 1,974 controls) as well as 795 cases and 764 controls of a Swedish case-control study. A joint P value was calculated for a combined analysis of stages I and II. Replication of the most significant interaction of the combined stage I and II was performed using 5,795 cases and 5,390 controls from nine studies of the Breast Cancer Association Consortium (BCAC). The combined stage I and II yielded five SNPs on chromosomes 2, 7, and 18 with joint P values <6 × 10−6 for effect modification of current MHT use. The most significant interaction was observed for rs6707272 (P = 3 × 10−7) on chromosome 2 but was not replicated in the BCAC studies (P = 0.21). The potentially modifying SNPs are in strong linkage disequilibrium with SNPs in TRIP12 and DNER on chromosome 2 and SETBP1 on chromosome 18, previously linked to carcinogenesis. However, none of the interaction effects reached genome-wide significance. The inability to replicate the top SNP × MHT interaction may be due to limited power of the replication phase. Our study, however, suggests that there are unlikely to be SNPs that interact strongly enough with MHT use to be clinically significant in European women.
doi:10.1007/s10549-013-2443-z
PMCID: PMC3781176  PMID: 23423446
Postmenopausal breast cancer risk; Menopausal hormone therapy; Polymorphisms; Gene-environment interaction; Genome-wide association study; Case-only study
16.  9q31.2-rs865686 as a Susceptibility Locus for Estrogen Receptor-Positive Breast Cancer: Evidence from the Breast Cancer Association Consortium 
Warren, Helen | Dudbridge, Frank | Fletcher, Olivia | Orr, Nick | Johnson, Nichola | Hopper, John L. | Apicella, Carmel | Southey, Melissa C. | Mahmoodi, Maryam | Schmidt, Marjanka K. | Broeks, Annegien | Cornelissen, Sten | Braaf, Linda M. | Muir, Kenneth R. | Lophatananon, Artitaya | Chaiwerawattana, Arkom | Wiangnon, Surapon | Fasching, Peter A. | Beckmann, Matthias W. | Ekici, Arif B. | Schulz-Wendtland, Ruediger | Sawyer, Elinor J. | Tomlinson, Ian | Kerin, Michael | Burwinkel, Barbara | Marme, Frederik | Schneeweiss, Andreas | Sohn, Christof | Guénel, Pascal | Truong, Thérèse | Laurent-Puig, Pierre | Mulot, Claire | Bojesen, Stig E | Nielsen, Sune F. | Flyger, Henrik | Nordestgaard, Børge G | Milne, Roger L. | Benítez, Javier | Arias-Pérez, José-Ignacio | Zamora, M. Pilar | Anton-Culver, Hoda | Ziogas, Argyrios | Bernstein, Leslie | Dur, Christina Clarke | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Langheinz, Anne | Meindl, Alfons | Golatta, Michael | Bartram, Claus R. | Schmutzler, Rita K. | Brauch, Hiltrud | Justenhoven, Christina | Brüning, Thomas | Chang-Claude, Jenny | Wang-Gohrke, Shan | Eilber, Ursula | Dörk, Thilo | Schürmann, Peter | Bremer, Michael | Hillemanns, Peter | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Bogdanova, Natalia | Antonenkova, Natalia | Rogov, Yuriy | Bermisheva, Marina | Prokofyeva, Darya | Zinnatullina, Guzel | Khusnutdinova, Elza | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kosma, Veli-Matti | Hartikainen, Jaana M. | Kataja, Vesa | Chenevix-Trench, Georgia | Beesley, Jonathan | Chen, Xiaoqing | Lambrechts, Diether | Smeets, Ann | Paridaens, Robert | Weltens, Caroline | Flesch-Janys, Dieter | Buck, Katharina | Behrens, Sabine | Peterlongo, Paolo | Bernard, Loris | Manoukian, Siranoush | Radice, Paolo | Couch, Fergus J. | Vachon, Celine | Wang, Xianshu | Olson, Janet | Giles, Graham | Baglietto, Laura | McLean, Cariona A. | Severi, Gianluca | John, Esther M. | Miron, Alexander | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene L. | Knight, Julia A. | Mulligan, Anna Marie | Weerasooriya, Nayana | Devilee, Peter | Tollenaar, Robert A.E.M. | Martens, John W.M. | Seynaeve, Caroline M. | Hooning, Maartje J. | Hollestelle, Antoinette | Jager, Agnes | Tilanus-Linthorst, Madeleine M.A. | Hall, Per | Czene, Kamila | Liu, Jianjun | Li, Jingmei | Cox, Angela | Cross, Simon S. | Brock, Ian W. | Reed, Malcolm W.R. | Pharoah, Paul | Blows, Fiona M. | Dunning, Alison M. | Ghoussaini, Maya | Ashworth, Alan | Swerdlow, Anthony | Jones, Michael | Schoemaker, Minouk | Easton, Douglas F. | Humphreys, Manjeet | Wang, Qin | Peto, Julian | dos-Santos-Silva, Isabel
Background
Our recent genome-wide association study identified a novel breast cancer susceptibility locus at 9q31.2 (rs865686).
Methods
To further investigate the rs865686–breast cancer association, we conducted a replication study within the Breast Cancer Association Consortium, which comprises 37 case–control studies (48,394 cases, 50,836 controls).
Results
This replication study provides additional strong evidence of an inverse association between rs865686 and breast cancer risk [study-adjusted per G-allele OR, 0.90; 95% confidence interval (CI), 0.88; 0.91, P = 2.01 × 10–29] among women of European ancestry. There were ethnic differences in the estimated minor (G)-allele frequency among controls [0.09, 0.30, and 0.38 among, respectively, Asians, Eastern Europeans, and other Europeans; P for heterogeneity (Phet) = 1.3 × 10–143], but no evidence of ethnic differences in per allele OR (Phet = 0.43). rs865686 was associated with estrogen receptor–positive (ER+) disease (per G-allele OR, 0.89; 95% CI, 0.86–0.91; P = 3.13 × 10–22) but less strongly, if at all, with ER-negative (ER–) disease (OR, 0.98; 95% CI, 0.94–1.02; P = 0.26; Phet = 1.16 × 10–6), with no evidence of independent heterogeneity by progesterone receptor or HER2 status. The strength of the breast cancer association decreased with increasing age at diagnosis, with case-only analysis showing a trend in the number of copies of the G allele with increasing age at diagnosis (P for linear trend = 0.0095), but only among women with ER+ tumors.
Conclusions
This study is the first to show that rs865686 is a susceptibility marker for ER+ breast cancer.
Impact
The findings further support the view that genetic susceptibility varies according to tumor subtype.
doi:10.1158/1055-9965.EPI-12-0526
PMCID: PMC3772723  PMID: 22859399
17.  Genome-wide association study identifies a novel variant in RAD51B associated with male breast cancer risk 
Nature genetics  2012;44(11):1182-1184.
We conducted a genome-wide association study of male breast cancer using 823 cases and 2,795 controls of European ancestry with validation in independent sample sets totalling 438 cases and 474 controls. A novel variant in RAD51B (14q24.1) was significantly associated with male breast cancer risk (P = 3.02 ×10−13, odds ratio (OR) = 1.57). TOX3 (16q12.1) was also a susceptibility locus (P = 3.87 ×10−15, OR = 1.50).
doi:10.1038/ng.2417
PMCID: PMC3722904  PMID: 23001122
18.  11q13 is a Susceptibility Locus for Hormone Receptor Positive Breast Cancer† 
Lambrechts, Diether | Truong, Therese | Justenhoven, Christina | Humphreys, Manjeet K. | Wang, Jean | Hopper, John L. | Dite, Gillian S. | Apicella, Carmel | Southey, Melissa C. | Schmidt, Marjanka K. | Broeks, Annegien | Cornelissen, Sten | van Hien, Richard | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Milne, Roger L. | Zamora, M. Pilar | Arias Pérez, José Ignacio | Benítez, Javier | Hamann, Ute | Ko, Yon-Dschun | Brüning, Thomas | Chang-Claude, Jenny | Eilber, Ursel | Hein, Rebecca | Nickels, Stefan | Flesch-Janys, Dieter | Wang-Gohrke, Shan | John, Esther M. | Miron, Alexander | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Chenevix-Trench, Georgia | Beesley, Jonathan | Chen, Xiaoqing | Menegaux, Florence | Cordina-Duverger, Emilie | Shen, Chen-Yang | Yu, Jyh-Cherng | Wu, Pei-Ei | Hou, Ming-Feng | Andrulis, Irene L. | Selander, Teresa | Glendon, Gord | Mulligan, Anna Marie | Anton-Culver, Hoda | Ziogas, Argyrios | Muir, Kenneth R. | Lophatananon, Artitaya | Rattanamongkongul, Suthee | Puttawibul, Puttisak | Jones, Michael | Orr, Nicholas | Ashworth, Alan | Swerdlow, Anthony | Severi, Gianluca | Baglietto, Laura | Giles, Graham | Southey, Melissa | Marmé, Federik | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Yesilyurt, Betul T. | Neven, Patrick | Paridaens, Robert | Wildiers, Hans | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Meindl, Alfons | Schott, Sarah | Bartram, Claus R. | Schmutzler, Rita K. | Cox, Angela | Brock, Ian W. | Elliott, Graeme | Cross, Simon S. | Fasching, Peter A. | Schulz-Wendtland, Ruediger | Ekici, Arif B. | Beckmann, Matthias W. | Fletcher, Olivia | Johnson, Nichola | Silva, Isabel dos Santos | Peto, Julian | Nevanlinna, Heli | Muranen, Taru A. | Aittomäki, Kristiina | Blomqvist, Carl | Dörk, Thilo | Schürmann, Peter | Bremer, Michael | Hillemanns, Peter | Bogdanova, Natalia V. | Antonenkova, Natalia N. | Rogov, Yuri I. | Karstens, Johann H. | Khusnutdinova, Elza | Bermisheva, Marina | Prokofieva, Darya | Gancev, Shamil | Jakubowska, Anna | Lubinski, Jan | Jaworska, Katarzyna | Durda, Katarzyna | Nordestgaard, Børge G. | Bojesen, Stig E. | Lanng, Charlotte | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M. | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Bernard, Loris | Couch, Fergus J. | Olson, Janet E. | Wang, Xianshu | Fredericksen, Zachary | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børresen-Dale, Anne-Lise | Devilee, Peter | Tollenaar, Robert A.E.M. | Seynaeve, Caroline M. | Hooning, Maartje J. | García-Closas, Montserrat | Chanock, Stephen J. | Lissowska, Jolanta | Sherman, Mark E. | Hall, Per | Liu, Jianjun | Czene, Kamila | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Lindblom, Annika | Margolin, Sara | Dunning, Alison M. | Pharoah, Paul D.P. | Easton, Douglas F. | Guénel, Pascal | Brauch, Hiltrud
Human Mutation  2012;33(7):1123-1132.
A recent two-stage genome-wide association study (GWAS) identified five novel breast cancer susceptibility loci on chromosomes 9, 10 and 11. To provide more reliable estimates of the relative risk associated with these loci and investigate possible heterogeneity by subtype of breast cancer, we genotyped the variants rs2380205, rs1011970, rs704010, rs614367, rs10995190 in 39 studies from the Breast Cancer Association Consortium (BCAC), involving 49,608 cases and 48,772 controls of predominantly European ancestry. Four of the variants showed clear evidence of association (P ≤ 3 × 10−9) and weak evidence was observed for rs2380205 (P = 0.06). The strongest evidence was obtained for rs614367, located on 11q13 (per-allele odds ratio 1.21, P = 4 × 10−39). The association for rs614367 was specific to estrogen receptor (ER)-positive disease and strongest for ER plus progesterone receptor (PR)-positive breast cancer, whereas the associations for the other three loci did not differ by tumor subtype.
doi:10.1002/humu.22089
PMCID: PMC3370081  PMID: 22461340
breast cancer susceptibility; polymorphisms; genome wide association; risk factors; hormone receptor status; 11q13
19.  Genome-wide association analysis identifies three new breast cancer susceptibility loci 
Ghoussaini, Maya | Fletcher, Olivia | Michailidou, Kyriaki | Turnbull, Clare | Schmidt, Marjanka K | Dicks, Ed | Dennis, Joe | Wang, Qin | Humphreys, Manjeet K | Luccarini, Craig | Baynes, Caroline | Conroy, Don | Maranian, Melanie | Ahmed, Shahana | Driver, Kristy | Johnson, Nichola | Orr, Nicholas | Silva, Isabel dos Santos | Waisfisz, Quinten | Meijers-Heijboer, Hanne | Uitterlinden, Andre G. | Rivadeneira, Fernando | Hall, Per | Czene, Kamila | Irwanto, Astrid | Liu, Jianjun | Nevanlinna, Heli | Aittomäki, Kristiina | Blomqvist, Carl | Meindl, Alfons | Schmutzler, Rita K | Müller-Myhsok, Bertram | Lichtner, Peter | Chang-Claude, Jenny | Hein, Rebecca | Nickels, Stefan | Flesch-Janys, Dieter | Tsimiklis, Helen | Makalic, Enes | Schmidt, Daniel | Bui, Minh | Hopper, John L | Apicella, Carmel | Park, Daniel J | Southey, Melissa | Hunter, David J | Chanock, Stephen J | Broeks, Annegien | Verhoef, Senno | Hogervorst, Frans BL | Fasching, Peter A. | Lux, Michael P. | Beckmann, Matthias W. | Ekici, Arif B. | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Marme, Frederik | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Guénel, Pascal | Truong, Thérèse | Cordina-Duverger, Emilie | Menegaux, Florence | Bojesen, Stig E | Nordestgaard, Børge G | Nielsen, Sune F | Flyger, Henrik | Milne, Roger L. | Alonso, M. Rosario | González-Neira, Anna | Benítez, Javier | Anton-Culver, Hoda | Ziogas, Argyrios | Bernstein, Leslie | Dur, Christina Clarke | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Justenhoven, Christina | Brauch, Hiltrud | Brüning, Thomas | Wang-Gohrke, Shan | Eilber, Ursula | Dörk, Thilo | Schürmann, Peter | Bremer, Michael | Hillemanns, Peter | Bogdanova, Natalia V. | Antonenkova, Natalia N. | Rogov, Yuri I. | Karstens, Johann H. | Bermisheva, Marina | Prokofieva, Darya | Khusnutdinova, Elza | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana M | Lambrechts, Diether | Yesilyurt, Betul T. | Floris, Giuseppe | Leunen, Karin | Manoukian, Siranoush | Bonanni, Bernardo | Fortuzzi, Stefano | Peterlongo, Paolo | Couch, Fergus J | Wang, Xianshu | Stevens, Kristen | Lee, Adam | Giles, Graham G. | Baglietto, Laura | Severi, Gianluca | McLean, Catriona | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børrensen-Dale, Anne-Lise | John, Esther M. | Miron, Alexander | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Kauppila, Saila | Andrulis, Irene L. | Glendon, Gord | Mulligan, Anna Marie | Devilee, Peter | van Asperen, Christie J. | Tollenaar, Rob A.E.M. | Seynaeve, Caroline | Figueroa, Jonine D | Garcia-Closas, Montserrat | Brinton, Louise | Lissowska, Jolanta | Hooning, Maartje J. | Hollestelle, Antoinette | Oldenburg, Rogier A. | van den Ouweland, Ans M.W. | Cox, Angela | Reed, Malcolm WR | Shah, Mitul | Jakubowska, Ania | Lubinski, Jan | Jaworska, Katarzyna | Durda, Katarzyna | Jones, Michael | Schoemaker, Minouk | Ashworth, Alan | Swerdlow, Anthony | Beesley, Jonathan | Chen, Xiaoqing | Muir, Kenneth R | Lophatananon, Artitaya | Rattanamongkongul, Suthee | Chaiwerawattana, Arkom | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Shen, Chen-Yang | Yu, Jyh-Cherng | Wu, Pei-Ei | Hsiung, Chia-Ni | Perkins, Annie | Swann, Ruth | Velentzis, Louiza | Eccles, Diana M | Tapper, Will J | Gerty, Susan M | Graham, Nikki J | Ponder, Bruce A. J. | Chenevix-Trench, Georgia | Pharoah, Paul D.P. | Lathrop, Mark | Dunning, Alison M. | Rahman, Nazneen | Peto, Julian | Easton, Douglas F
Nature genetics  2012;44(3):312-318.
Breast cancer is the most common cancer among women. To date, 22 common breast cancer susceptibility loci have been identified accounting for ~ 8% of the heritability of the disease. We followed up 72 promising associations from two independent Genome Wide Association Studies (GWAS) in ~70,000 cases and ~68,000 controls from 41 case-control studies and nine breast cancer GWAS. We identified three new breast cancer risk loci on 12p11 (rs10771399; P=2.7 × 10−35), 12q24 (rs1292011; P=4.3×10−19) and 21q21 (rs2823093; P=1.1×10−12). SNP rs10771399 was associated with similar relative risks for both estrogen receptor (ER)-negative and ER-positive breast cancer, whereas the other two loci were associated only with ER-positive disease. Two of the loci lie in regions that contain strong plausible candidate genes: PTHLH (12p11) plays a crucial role in mammary gland development and the establishment of bone metastasis in breast cancer, while NRIP1 (21q21) encodes an ER co-factor and has a role in the regulation of breast cancer cell growth.
doi:10.1038/ng.1049
PMCID: PMC3653403  PMID: 22267197
20.  Common Breast Cancer Susceptibility Variants in LSP1 and RAD51L1 Are Associated with Mammographic Density Measures that Predict Breast Cancer Risk 
Vachon, Celine M. | Scott, Christopher G. | Fasching, Peter A. | Hall, Per | Tamimi, Rulla M. | Li, Jingmei | Stone, Jennifer | Apicella, Carmel | Odefrey, Fabrice | Gierach, Gretchen L. | Jud, Sebastian M. | Heusinger, Katharina | Beckmann, Matthias W. | Pollan, Marina | Fernández-Navarro, Pablo | González-Neira, Anna | Benítez, Javier | van Gils, Carla H. | Lokate, Mariëtte | Onland-Moret, N. Charlotte | Peeters, Petra H.M. | Brown, Judith | Leyland, Jean | Varghese, Jajini S. | Easton, Douglas F. | Thompson, Deborah J. | Luben, Robert N. | Warren, Ruth ML | Wareham, Nicholas J. | Loos, Ruth JF | Khaw, Kay-Tee | Ursin, Giske | Lee, Eunjung | Gayther, Simon A. | Ramus, Susan J. | Eeles, Rosalind A. | Leach, Martin O. | Kwan-Lim, Gek | Couch, Fergus J. | Giles, Graham G. | Baglietto, Laura | Krishnan, Kavitha | Southey, Melissa C. | Le Marchand, Loic | Kolonel, Laurence N. | Woolcott, Christy | Maskarinec, Gertraud | Haiman, Christopher A | Walker, Kate | Johnson, Nichola | McCormack, Valerie A. | Biong, Margarethe | Alnæs, Grethe I.G. | Gram, Inger Torhild | Kristensen, Vessela N. | Børresen-Dale, Anne-Lise | Lindström, Sara | Hankinson, Susan E. | Hunter, David J. | Andrulis, Irene L. | Knight, Julia A. | Boyd, Norman F. | Figueroa, Jonine D. | Lissowska, Jolanta | Wesolowska, Ewa | Peplonska, Beata | Bukowska, Agnieszka | Reszka, Edyta | Liu, JianJun | Eriksson, Louise | Czene, Kamila | Audley, Tina | Wu, Anna H. | Pankratz, V. Shane | Hopper, John L. | dos-Santos-Silva, Isabel
Background
Mammographic density adjusted for age and body mass index (BMI) is a heritable marker of breast cancer susceptibility. Little is known about the biological mechanisms underlying the association between mammographic density and breast cancer risk. We examined whether common low-penetrance breast cancer susceptibility variants contribute to inter-individual differences in mammographic density measures.
Methods
We established an international consortium (DENSNP) of 19 studies from 10 countries, comprising 16,895 Caucasian women, to conduct a pooled cross-sectional analysis of common breast cancer susceptibility variants in 14 independent loci and mammographic density measures. Dense and non-dense areas, and percent density, were measured using interactive-thresholding techniques. Mixed linear models were used to assess the association between genetic variants and the square roots of mammographic density measures adjusted for study, age, case status, body mass index (BMI) and menopausal status.
Results
Consistent with their breast cancer associations, the C-allele of rs3817198 in LSP1 was positively associated with both adjusted dense area (p=0.00005) and adjusted percent density (p=0.001) whereas the A-allele of rs10483813 in RAD51L1 was inversely associated with adjusted percent density (p=0.003), but not with adjusted dense area (p=0.07).
Conclusion
We identified two common breast cancer susceptibility variants associated with mammographic measures of radio-dense tissue in the breast gland.
Impact
We examined the association of 14 established breast cancer susceptibility loci with mammographic density phenotypes within a large genetic consortium and identified two breast cancer susceptibility variants, LSP1-rs3817198 and RAD51L1-rs10483813, associated with mammographic measures and in the same direction as the breast cancer association.
doi:10.1158/1055-9965.EPI-12-0066
PMCID: PMC3569092  PMID: 22454379
breast density; breast cancer; genetics; biomarkers; mammography
21.  Associations of common variants at 1p11.2 and 14q24.1 (RAD51L1) with breast cancer risk and heterogeneity by tumor subtype: findings from the Breast Cancer Association Consortium† 
Figueroa, Jonine D. | Garcia-Closas, Montserrat | Humphreys, Manjeet | Platte, Radka | Hopper, John L. | Southey, Melissa C. | Apicella, Carmel | Hammet, Fleur | Schmidt, Marjanka K. | Broeks, Annegien | Tollenaar, Rob A.E.M. | Van't Veer, Laura J. | Fasching, Peter A. | Beckmann, Matthias W. | Ekici, Arif B. | Strick, Reiner | Peto, Julian | dos Santos Silva, Isabel | Fletcher, Olivia | Johnson, Nichola | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Burwinkel, Barbara | Marme, Federik | Schneeweiss, Andreas | Sohn, Christof | Bojesen, Stig | Flyger, Henrik | Nordestgaard, Børge G. | Benítez, Javier | Milne, Roger L. | Ignacio Arias, Jose | Zamora, M. Pilar | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Rahman, Nazneen | Turnbull, Clare | Seal, Sheila | Renwick, Anthony | Brauch, Hiltrud | Justenhoven, Christina | Brüning, Thomas | Chang-Claude, Jenny | Hein, Rebecca | Wang-Gohrke, Shan | Dörk, Thilo | Schürmann, Peter | Bremer, Michael | Hillemanns, Peter | Nevanlinna, Heli | Heikkinen, Tuomas | Aittomäki, Kristiina | Blomqvist, Carl | Bogdanova, Natalia | Antonenkova, Natalia | Rogov, Yuri I. | Karstens, Johann Hinrich | Bermisheva, Marina | Prokofieva, Darya | Hanafievich Gantcev, Shamil | Khusnutdinova, Elza | Lindblom, Annika | Margolin, Sara | Chenevix-Trench, Georgia | Beesley, Jonathan | Chen, Xiaoqing | Mannermaa, Arto | Kosma, Veli-Matti | Soini, Ylermi | Kataja, Vesa | Lambrechts, Diether | Yesilyurt, Betül T. | Chrisiaens, Marie-Rose | Peeters, Stephanie | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Barile, Monica | Couch, Fergus | Lee, Adam M. | Diasio, Robert | Wang, Xianshu | Giles, Graham G. | Severi, Gianluca | Baglietto, Laura | Maclean, Catriona | Offit, Ken | Robson, Mark | Joseph, Vijai | Gaudet, Mia | John, Esther M. | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene | Knight, Julia A. | Marie Mulligan, Anna | O'Malley, Frances P. | Brinton, Louise A. | Sherman, Mark E. | Lissowska, Jolanta | Chanock, Stephen J. | Hooning, Maartje | Martens, John W.M. | van den Ouweland, Ans M.W. | Collée, J. Margriet | Hall, Per | Czene, Kamila | Cox, Angela | Brock, Ian W. | Reed, Malcolm W.R. | Cross, Simon S. | Pharoah, Paul | Dunning, Alison M. | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Ahn, Sei-Hyun | Jakubowska, Anna | Lubinski, Jan | Jaworska, Katarzyna | Durda, Katarzyna | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | McKay, James | Shen, Chen-Yang | Ding, Shian-ling | Hsu, Huan-Ming | Yu, Jyh-Cherng | Anton-Culver, Hoda | Ziogas, Argyrios | Ashworth, Alan | Swerdlow, Anthony | Jones, Michael | Orr, Nick | Trentham-Dietz, Amy | Egan, Kathleen | Newcomb, Polly | Titus-Ernstoff, Linda | Easton, Doug | Spurdle, Amanda B.
Human Molecular Genetics  2011;20(23):4693-4706.
A genome-wide association study (GWAS) identified single-nucleotide polymorphisms (SNPs) at 1p11.2 and 14q24.1 (RAD51L1) as breast cancer susceptibility loci. The initial GWAS suggested stronger effects for both loci for estrogen receptor (ER)-positive tumors. Using data from the Breast Cancer Association Consortium (BCAC), we sought to determine whether risks differ by ER, progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2), grade, node status, tumor size, and ductal or lobular morphology. We genotyped rs11249433 at 1p.11.2, and two highly correlated SNPs rs999737 and rs10483813 (r2= 0.98) at 14q24.1 (RAD51L1), for up to 46 036 invasive breast cancer cases and 46 930 controls from 39 studies. Analyses by tumor characteristics focused on subjects reporting to be white women of European ancestry and were based on 25 458 cases, of which 87% had ER data. The SNP at 1p11.2 showed significantly stronger associations with ER-positive tumors [per-allele odds ratio (OR) for ER-positive tumors was 1.13, 95% CI = 1.10–1.16 and, for ER-negative tumors, OR was 1.03, 95% CI = 0.98–1.07, case-only P-heterogeneity = 7.6 × 10−5]. The association with ER-positive tumors was stronger for tumors of lower grade (case-only P= 6.7 × 10−3) and lobular histology (case-only P= 0.01). SNPs at 14q24.1 were associated with risk for most tumor subtypes evaluated, including triple-negative breast cancers, which has not been described previously. Our results underscore the need for large pooling efforts with tumor pathology data to help refine risk estimates for SNP associations with susceptibility to different subtypes of breast cancer.
doi:10.1093/hmg/ddr368
PMCID: PMC3209823  PMID: 21852249
22.  Correction: Comparison of 6q25 Breast Cancer Hits from Asian and European Genome Wide Association Studies in the Breast Cancer Association Consortium (BCAC) 
Hein, Rebecca | Maranian, Melanie | Hopper, John L. | Kapuscinski, Miroslaw K. | Southey, Melissa C. | Park, Daniel J. | Schmidt, Marjanka K. | Broeks, Annegien | Hogervorst, Frans B. L. | Bueno-de-Mesquit, H. Bas | Muir, Kenneth R. | Lophatananon, Artitaya | Rattanamongkongul, Suthee | Puttawibul, Puttisak | Fasching, Peter A. | Hein, Alexander | Ekici, Arif B. | Beckmann, Matthias W. | Fletcher, Olivia | Johnson, Nichola | dos Santos Silva, Isabel | Peto, Julian | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Marmee, Frederick | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Guénel, Pascal | Cordina-Duverger, Emilie | Menegaux, Florence | Truong, Thérèse | Bojesen, Stig E. | Nordestgaard, Børge G. | Flyger, Henrik | Milne, Roger L. | Perez, Jose Ignacio Arias | Zamora, M. Pilar | Benítez, Javier | Anton-Culver, Hoda | Ziogas, Argyrios | Bernstein, Leslie | Clarke, Christina A. | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Rahman, Nazneen | Seal, Sheila | Turnbull, Clare | Renwick, Anthony | Meindl, Alfons | Schott, Sarah | Bartram, Claus R. | Schmutzler, Rita K. | Brauch, Hiltrud | Hamann, Ute | Ko, Yon-Dschun | Wang-Gohrke, Shan | Dörk, Thilo | Schürmann, Peter | Karstens, Johann H. | Hillemanns, Peter | Nevanlinna, Heli | Heikkinen, Tuomas | Aittomäki, Kristiina | Blomqvist, Carl | Bogdanova, Natalia V. | Zalutsky, Iosif V. | Antonenkova, Natalia N. | Bermisheva, Marina | Prokovieva, Darya | Farahtdinova, Albina | Khusnutdinova, Elza | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana | Chen, Xiaoqing | Beesley, Jonathan | Investigators, kConFab | Lambrechts, Diether | Zhao, Hui | Neven, Patrick | Wildiers, Hans | Nickels, Stefan | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Barile, Monica | Couch, Fergus J. | Olson, Janet E. | Wang, Xianshu | Fredericksen, Zachary | Giles, Graham G. | Baglietto, Laura | McLean, Catriona A. | Severi, Gianluca | Offit, Kenneth | Robson, Mark | Gaudet, Mia M. | Vijai, Joseph | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børresen-Dale, Anne-Lise | John, Esther M. | Miron, Alexander | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Mulligan, Anna Marie | Figueroa, Jonine D. | García-Closas, Montserrat | Lissowska, Jolanta | Sherman, Mark E. | Hooning, Maartje | Martens, John W. M. | Seynaeve, Caroline | Collée, Margriet | Hall, Per | Humpreys, Keith | Czene, Kamila | Liu, Jianjun | Cox, Angela | Brock, Ian W. | Cross, Simon S. | Reed, Malcolm W. R. | Ahmed, Shahana | Ghoussaini, Maya | Pharoah, Paul DP. | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Jakubowska, Anna | Jaworska, Katarzyna | Durda, Katarzyna | Złowocka, Elżbieta | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | McKay, James | Shen, Chen-Yang | Yu, Jyh-Cherng | Hsu, Huan-Ming | Hou, Ming-Feng | Orr, Nick | Schoemaker, Minouk | Ashworth, Alan | Swerdlow, Anthony | Trentham-Dietz, Amy | Newcomb, Polly A. | Titus, Linda | Egan, Kathleen M. | Chenevix-Trench, Georgia | Antoniou, Antonis C. | Humphreys, Manjeet K. | Morrison, Jonathan | Chang-Claude, Jenny | Easton, Douglas F. | Dunning, Alison M.
PLoS ONE  2012;7(10):10.1371/annotation/e5de602c-0ffc-4e6f-a2ed-f79913c2e57c.
doi:10.1371/annotation/e5de602c-0ffc-4e6f-a2ed-f79913c2e57c
PMCID: PMC3525690
23.  19p13.1 is a triple negative-specific breast cancer susceptibility locus 
Stevens, Kristen N. | Fredericksen, Zachary | Vachon, Celine M. | Wang, Xianshu | Margolin, Sara | Lindblom, Annika | Nevanlinna, Heli | Greco, Dario | Aittomäki, Kristiina | Blomqvist, Carl | Chang-Claude, Jenny | Vrieling, Alina | Flesch-Janys, Dieter | Sinn, Hans-Peter | Wang-Gohrke, Shan | Nickels, Stefan | Brauch, Hiltrud | Ko, Yon-Dschun | Fischer, Hans-Peter | Schmutzler, Rita K. | Meindl, Alfons | Bartram, Claus R. | Schott, Sarah | Engel, Christof | Godwin, Andrew K. | Weaver, JoEllen | Pathak, Harsh B. | Sharma, Priyanka | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Miron, Penelope | Yannoukakos, Drakoulis | Stavropoulou, Alexandra | Fountzilas, George | Gogas, Helen J. | Swann, Ruth | Dwek, Miriam | Perkins, Annie | Milne, Roger L. | Benítez, Javier | Zamora, M Pilar | Pérez, José Ignacio Arias | Bojesen, Stig E. | Nielsen, Sune F. | Nordestgaard, Børge G | Flyger, Henrik | Guénel, Pascal | Truong, Thérèse | Menegaux, Florence | Cordina-Duverger, Emilie | Burwinkel, Barbara | Marmé, Frederick | Schneeweiss, Andreas | Sohn, Christof | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael J. | Peto, Julian | Johnson, Nichola | Fletcher, Olivia | Silva, Isabel dos Santos | Fasching, Peter A. | Beckmann, Matthias W. | Hartmann, Arndt | Ekici, Arif B. | Lophatananon, Artitaya | Muir, Kenneth | Puttawibul, Puttisak | Wiangnon, Surapon | Schmidt, Marjanka K | Broeks, Annegien | Braaf, Linde M | Rosenberg, Efraim H | Hopper, John L. | Apicella, Carmel | Park, Daniel J. | Southey, Melissa C. | Swerdlow, Anthony J. | Ashworth, Alan | Orr, Nicholas | Schoemaker, Minouk J. | Anton-Culver, Hoda | Ziogas, Argyrios | Bernstein, Leslie | Dur, Christina Clarke | Shen, Chen-Yang | Yu, Jyh-Cherng | Hsu, Huan-Ming | Hsiung, Chia-Ni | Hamann, Ute | Dünnebier, Thomas | Rüdiger, Thomas | Ulmer, Hans Ulrich | Pharoah, Paul P. | Dunning, Alison M | Humphreys, Manjeet K. | Wang, Qin | Cox, Angela | Cross, Simon S. | Reed, Malcom W. | Hall, Per | Czene, Kamila | Ambrosone, Christine B. | Ademuyiwa, Foluso | Hwang, Helena | Eccles, Diana M. | Garcia-Closas, Montserrat | Figueroa, Jonine D. | Sherman, Mark E. | Lissowska, Jolanta | Devilee, Peter | Seynaeve, Caroline | Tollenaar, R.A.E.M. | Hooning, Maartje J. | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Mulligan, Anna Marie | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | John, Esther M. | Miron, Alexander | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børresen-Dale, Anne-Lise | Giles, Graham G. | Baglietto, Laura | McLean, Catriona A | Severi, Gianluca | Kosel, Matthew L. | Pankratz, V.S. | Slager, Susan | Olson, Janet E. | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Barile, Monica | Lambrechts, Diether | Hatse, Sigrid | Dieudonne, Anne-Sophie | Christiaens, Marie-Rose | Chenevix-Trench, Georgia | Beesley, Jonathan | Chen, Xiaoqing | Mannermaa, Arto | Kosma, Veli-Matti | Hartikainen, Jaana M. | Soini, Ylermi | Easton, Douglas F. | Couch, Fergus J.
Cancer Research  2012;72(7):1795-1803.
The 19p13.1 breast cancer susceptibility locus is a modifier of breast cancer risk in BRCA1 mutation carriers and is also associated with risk of ovarian cancer. Here we investigated 19p13.1 variation and risk of breast cancer subtypes, defined by estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER2) status, using 48,869 breast cancer cases and 49,787 controls from the Breast Cancer Association Consortium (BCAC). Variants from 19p13.1 were not associated with breast cancer overall or with ER-positive breast cancer but were significantly associated with ER-negative breast cancer risk [rs8170 Odds Ratio (OR)=1.10, 95% Confidence Interval (CI) 1.05 – 1.15, p=3.49 × 10-5] and triple negative (TN) (ER, PR and HER2 negative) breast cancer [rs8170 OR=1.22, 95% CI 1.13 – 1.31, p=2.22 × 10-7]. However, rs8170 was no longer associated with ER-negative breast cancer risk when TN cases were excluded [OR=0.98, 95% CI 0.89 – 1.07, p=0.62]. In addition, a combined analysis of TN cases from BCAC and the Triple Negative Breast Cancer Consortium (TNBCC) (n=3,566) identified a genome-wide significant association between rs8170 and TN breast cancer risk [OR=1.25, 95% CI 1.18 – 1.33, p=3.31 × 10-13]. Thus, 19p13.1 is the first triple negative-specific breast cancer risk locus and the first locus specific to a histological subtype defined by ER, PR, and HER2 to be identified. These findings provide convincing evidence that genetic susceptibility to breast cancer varies by tumor subtype and that triple negative tumors and other subtypes likely arise through distinct etiologic pathways.
doi:10.1158/0008-5472.CAN-11-3364
PMCID: PMC3319792  PMID: 22331459
genetic susceptibility; association study; subtype; neoplasms; common variant
24.  Comparison of 6q25 Breast Cancer Hits from Asian and European Genome Wide Association Studies in the Breast Cancer Association Consortium (BCAC) 
Hein, Rebecca | Maranian, Melanie | Hopper, John L. | Kapuscinski, Miroslaw K. | Southey, Melissa C. | Park, Daniel J. | Schmidt, Marjanka K. | Broeks, Annegien | Hogervorst, Frans B. L. | Bueno-de-Mesquit, H. Bas | Muir, Kenneth R. | Lophatananon, Artitaya | Rattanamongkongul, Suthee | Puttawibul, Puttisak | Fasching, Peter A. | Hein, Alexander | Ekici, Arif B. | Beckmann, Matthias W. | Fletcher, Olivia | Johnson, Nichola | dos Santos Silva, Isabel | Peto, Julian | Sawyer, Elinor | Tomlinson, Ian | Kerin, Michael | Miller, Nicola | Marmee, Frederick | Schneeweiss, Andreas | Sohn, Christof | Burwinkel, Barbara | Guénel, Pascal | Cordina-Duverger, Emilie | Menegaux, Florence | Truong, Thérèse | Bojesen, Stig E. | Nordestgaard, Børge G. | Flyger, Henrik | Milne, Roger L. | Perez, Jose Ignacio Arias | Zamora, M. Pilar | Benítez, Javier | Anton-Culver, Hoda | Ziogas, Argyrios | Bernstein, Leslie | Clarke, Christina A. | Brenner, Hermann | Müller, Heiko | Arndt, Volker | Stegmaier, Christa | Rahman, Nazneen | Seal, Sheila | Turnbull, Clare | Renwick, Anthony | Meindl, Alfons | Schott, Sarah | Bartram, Claus R. | Schmutzler, Rita K. | Brauch, Hiltrud | Hamann, Ute | Ko, Yon-Dschun | Wang-Gohrke, Shan | Dörk, Thilo | Schürmann, Peter | Karstens, Johann H. | Hillemanns, Peter | Nevanlinna, Heli | Heikkinen, Tuomas | Aittomäki, Kristiina | Blomqvist, Carl | Bogdanova, Natalia V. | Zalutsky, Iosif V. | Antonenkova, Natalia N. | Bermisheva, Marina | Prokovieva, Darya | Farahtdinova, Albina | Khusnutdinova, Elza | Lindblom, Annika | Margolin, Sara | Mannermaa, Arto | Kataja, Vesa | Kosma, Veli-Matti | Hartikainen, Jaana | Chen, Xiaoqing | Beesley, Jonathan | Investigators, kConFab | Lambrechts, Diether | Zhao, Hui | Neven, Patrick | Wildiers, Hans | Nickels, Stefan | Flesch-Janys, Dieter | Radice, Paolo | Peterlongo, Paolo | Manoukian, Siranoush | Barile, Monica | Couch, Fergus J. | Olson, Janet E. | Wang, Xianshu | Fredericksen, Zachary | Giles, Graham G. | Baglietto, Laura | McLean, Catriona A. | Severi, Gianluca | Offit, Kenneth | Robson, Mark | Gaudet, Mia M. | Vijai, Joseph | Alnæs, Grethe Grenaker | Kristensen, Vessela | Børresen-Dale, Anne-Lise | John, Esther M. | Miron, Alexander | Winqvist, Robert | Pylkäs, Katri | Jukkola-Vuorinen, Arja | Grip, Mervi | Andrulis, Irene L. | Knight, Julia A. | Glendon, Gord | Mulligan, Anna Marie | Figueroa, Jonine D. | García-Closas, Montserrat | Lissowska, Jolanta | Sherman, Mark E. | Hooning, Maartje | Martens, John W. M. | Seynaeve, Caroline | Collée, Margriet | Hall, Per | Humpreys, Keith | Czene, Kamila | Liu, Jianjun | Cox, Angela | Brock, Ian W. | Cross, Simon S. | Reed, Malcolm W. R. | Ahmed, Shahana | Ghoussaini, Maya | Pharoah, Paul DP. | Kang, Daehee | Yoo, Keun-Young | Noh, Dong-Young | Jakubowska, Anna | Jaworska, Katarzyna | Durda, Katarzyna | Złowocka, Elżbieta | Sangrajrang, Suleeporn | Gaborieau, Valerie | Brennan, Paul | McKay, James | Shen, Chen-Yang | Yu, Jyh-Cherng | Hsu, Huan-Ming | Hou, Ming-Feng | Orr, Nick | Schoemaker, Minouk | Ashworth, Alan | Swerdlow, Anthony | Trentham-Dietz, Amy | Newcomb, Polly A. | Titus, Linda | Egan, Kathleen M. | Chenevix-Trench, Georgia | Antoniou, Antonis C. | Humphreys, Manjeet K. | Morrison, Jonathan | Chang-Claude, Jenny | Easton, Douglas F. | Dunning, Alison M.
PLoS ONE  2012;7(8):e42380.
The 6q25.1 locus was first identified via a genome-wide association study (GWAS) in Chinese women and marked by single nucleotide polymorphism (SNP) rs2046210, approximately 180 Kb upstream of ESR1. There have been conflicting reports about the association of this locus with breast cancer in Europeans, and a GWAS in Europeans identified a different SNP, tagged here by rs12662670. We examined the associations of both SNPs in up to 61,689 cases and 58,822 controls from forty-four studies collaborating in the Breast Cancer Association Consortium, of which four studies were of Asian and 39 of European descent. Logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (CI). Case-only analyses were used to compare SNP effects in Estrogen Receptor positive (ER+) versus negative (ER−) tumours. Models including both SNPs were fitted to investigate whether the SNP effects were independent. Both SNPs are significantly associated with breast cancer risk in both ethnic groups. Per-allele ORs are higher in Asian than in European studies [rs2046210: OR (A/G) = 1.36 (95% CI 1.26–1.48), p = 7.6×10−14 in Asians and 1.09 (95% CI 1.07–1.11), p = 6.8×10−18 in Europeans. rs12662670: OR (G/T) = 1.29 (95% CI 1.19–1.41), p = 1.2×10−9 in Asians and 1.12 (95% CI 1.08–1.17), p = 3.8×10−9 in Europeans]. SNP rs2046210 is associated with a significantly greater risk of ER− than ER+ tumours in Europeans [OR (ER−) = 1.20 (95% CI 1.15–1.25), p = 1.8×10−17 versus OR (ER+) = 1.07 (95% CI 1.04–1.1), p = 1.3×10−7, pheterogeneity = 5.1×10−6]. In these Asian studies, by contrast, there is no clear evidence of a differential association by tumour receptor status. Each SNP is associated with risk after adjustment for the other SNP. These results suggest the presence of two variants at 6q25.1 each independently associated with breast cancer risk in Asians and in Europeans. Of these two, the one tagged by rs2046210 is associated with a greater risk of ER− tumours.
doi:10.1371/journal.pone.0042380
PMCID: PMC3413660  PMID: 22879957
25.  Estimating causal effects of genetic risk variants for breast cancer using marker data from bilateral and familial cases 
Background
Cases with a family history are enriched for genetic risk variants, and the power of association studies can be improved by selecting cases with a family history of disease. However in recent genome-wide association scans utilising familial sampling, the excess relative risk for familial cases is less than predicted when compared to unselected cases. This can be explained by incomplete linkage disequilibrium between the tested marker and the underlying causal variant.
Methods
We show that the allele frequency and effect size of the underlying causal variant can be estimated by combining marker data from studies that ascertain cases based on different family histories. This allows us to learn about the genetic architecture of a complex trait, without having identified any causal variants. We consider several validated common marker alleles for breast cancer, using our own study of high risk, predominantly bilateral cases, cases preferentially selected to have at least two affected first or second degree relatives, and published estimates of relative risk from standard case/control studies.
Results
To obtain realistic estimates and to accommodate some prior beliefs, we use Bayesian estimation to infer that the causal variants are probably common, with minor allele frequency >5%, and have small effects, with relative risk around 1.2.
Conclusion
These results strongly support the common disease common variant hypothesis for these specific loci associated with breast cancer.
Impact
Our results agree with recent assertions that synthetic associations of rare variants are unlikely to account for most associations seen in genome-wide studies.
doi:10.1158/1055-9965.EPI-11-0719
PMCID: PMC3272480  PMID: 22028405
Breast cancer; family history; ascertainment bias; causal variant; synthetic association

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