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1.  Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994 
Jelenkovic, Aline | Hur, Yoon-Mi | Sund, Reijo | Yokoyama, Yoshie | Siribaddana, Sisira H | Hotopf, Matthew | Sumathipala, Athula | Rijsdijk, Fruhling | Tan, Qihua | Zhang, Dongfeng | Pang, Zengchang | Aaltonen, Sari | Heikkilä, Kauko | Öncel, Sevgi Y | Aliev, Fazil | Rebato, Esther | Tarnoki, Adam D | Tarnoki, David L | Christensen, Kaare | Skytthe, Axel | Kyvik, Kirsten O | Silberg, Judy L | Eaves, Lindon J | Maes, Hermine H | Cutler, Tessa L | Hopper, John L | Ordoñana, Juan R | Sánchez-Romera, Juan F | Colodro-Conde, Lucia | Cozen, Wendy | Hwang, Amie E | Mack, Thomas M | Sung, Joohon | Song, Yun-Mi | Yang, Sarah | Lee, Kayoung | Franz, Carol E | Kremen, William S | Lyons, Michael J | Busjahn, Andreas | Nelson, Tracy L | Whitfield, Keith E | Kandler, Christian | Jang, Kerry L | Gatz, Margaret | Butler, David A | Stazi, Maria A | Fagnani, Corrado | D'Ippolito, Cristina | Duncan, Glen E | Buchwald, Dedra | Derom, Catherine A | Vlietinck, Robert F | Loos, Ruth JF | Martin, Nicholas G | Medland, Sarah E | Montgomery, Grant W | Jeong, Hoe-Uk | Swan, Gary E | Krasnow, Ruth | Magnusson, Patrik KE | Pedersen, Nancy L | Dahl-Aslan, Anna K | McAdams, Tom A | Eley, Thalia C | Gregory, Alice M | Tynelius, Per | Baker, Laura A | Tuvblad, Catherine | Bayasgalan, Gombojav | Narandalai, Danshiitsoodol | Lichtenstein, Paul | Spector, Timothy D | Mangino, Massimo | Lachance, Genevieve | Bartels, Meike | van Beijsterveldt, Toos CEM | Willemsen, Gonneke | Burt, S Alexandra | Klump, Kelly L | Harris, Jennifer R | Brandt, Ingunn | Nilsen, Thomas Sevenius | Krueger, Robert F | McGue, Matt | Pahlen, Shandell | Corley, Robin P | Hjelmborg, Jacob v B | Goldberg, Jack H | Iwatani, Yoshinori | Watanabe, Mikio | Honda, Chika | Inui, Fujio | Rasmussen, Finn | Huibregtse, Brooke M | Boomsma, Dorret I | Sørensen, Thorkild I A | Kaprio, Jaakko | Silventoinen, Karri
eLife  null;5:e20320.
Human height variation is determined by genetic and environmental factors, but it remains unclear whether their influences differ across birth-year cohorts. We conducted an individual-based pooled analysis of 40 twin cohorts including 143,390 complete twin pairs born 1886–1994. Although genetic variance showed a generally increasing trend across the birth-year cohorts, heritability estimates (0.69-0.84 in men and 0.53-0.78 in women) did not present any clear pattern of secular changes. Comparing geographic-cultural regions (Europe, North America and Australia, and East Asia), total height variance was greatest in North America and Australia and lowest in East Asia, but no clear pattern in the heritability estimates across the birth-year cohorts emerged. Our findings do not support the hypothesis that heritability of height is lower in populations with low living standards than in affluent populations, nor that heritability of height will increase within a population as living standards improve.
DOI: http://dx.doi.org/10.7554/eLife.20320.001
doi:10.7554/eLife.20320
PMCID: PMC5156525  PMID: 27964777
height; twins; heritability; birth cohorts; CODATwins project; Human
2.  Analysis of Heritability and Shared Heritability Based on Genome-Wide Association Studies for 13 Cancer Types 
Sampson, Joshua N. | Wheeler, William A. | Yeager, Meredith | Panagiotou, Orestis | Wang, Zhaoming | Berndt, Sonja I. | Lan, Qing | Abnet, Christian C. | Amundadottir, Laufey T. | Figueroa, Jonine D. | Landi, Maria Teresa | Mirabello, Lisa | Savage, Sharon A. | Taylor, Philip R. | Vivo, Immaculata De | McGlynn, Katherine A. | Purdue, Mark P. | Rajaraman, Preetha | Adami, Hans-Olov | Ahlbom, Anders | Albanes, Demetrius | Amary, Maria Fernanda | An, She-Juan | Andersson, Ulrika | Andriole, Gerald | Andrulis, Irene L. | Angelucci, Emanuele | Ansell, Stephen M. | Arici, Cecilia | Armstrong, Bruce K. | Arslan, Alan A. | Austin, Melissa A. | Baris, Dalsu | Barkauskas, Donald A. | Bassig, Bryan A. | Becker, Nikolaus | Benavente, Yolanda | Benhamou, Simone | Berg, Christine | Van Den Berg, David | Bernstein, Leslie | Bertrand, Kimberly A. | Birmann, Brenda M. | Black, Amanda | Boeing, Heiner | Boffetta, Paolo | Boutron-Ruault, Marie-Christine | Bracci, Paige M. | Brinton, Louise | Brooks-Wilson, Angela R. | Bueno-de-Mesquita, H. Bas | Burdett, Laurie | Buring, Julie | Butler, Mary Ann | Cai, Qiuyin | Cancel-Tassin, Geraldine | Canzian, Federico | Carrato, Alfredo | Carreon, Tania | Carta, Angela | Chan, John K. C. | Chang, Ellen T. | Chang, Gee-Chen | Chang, I-Shou | Chang, Jiang | Chang-Claude, Jenny | Chen, Chien-Jen | Chen, Chih-Yi | Chen, Chu | Chen, Chung-Hsing | Chen, Constance | Chen, Hongyan | Chen, Kexin | Chen, Kuan-Yu | Chen, Kun-Chieh | Chen, Ying | Chen, Ying-Hsiang | Chen, Yi-Song | Chen, Yuh-Min | Chien, Li-Hsin | Chirlaque, María-Dolores | Choi, Jin Eun | Choi, Yi Young | Chow, Wong-Ho | Chung, Charles C. | Clavel, Jacqueline | Clavel-Chapelon, Françoise | Cocco, Pierluigi | Colt, Joanne S. | Comperat, Eva | Conde, Lucia | Connors, Joseph M. | Conti, David | Cortessis, Victoria K. | Cotterchio, Michelle | Cozen, Wendy | Crouch, Simon | Crous-Bou, Marta | Cussenot, Olivier | Davis, Faith G. | Ding, Ti | Diver, W. Ryan | Dorronsoro, Miren | Dossus, Laure | Duell, Eric J. | Ennas, Maria Grazia | Erickson, Ralph L. | Feychting, Maria | Flanagan, Adrienne M. | Foretova, Lenka | Fraumeni, Joseph F. | Freedman, Neal D. | Beane Freeman, Laura E. | Fuchs, Charles | Gago-Dominguez, Manuela | Gallinger, Steven | Gao, Yu-Tang | Gapstur, Susan M. | Garcia-Closas, Montserrat | García-Closas, Reina | Gascoyne, Randy D. | Gastier-Foster, Julie | Gaudet, Mia M. | Gaziano, J. Michael | Giffen, Carol | Giles, Graham G. | Giovannucci, Edward | Glimelius, Bengt | Goggins, Michael | Gokgoz, Nalan | Goldstein, Alisa M. | Gorlick, Richard | Gross, Myron | Grubb, Robert | Gu, Jian | Guan, Peng | Gunter, Marc | Guo, Huan | Habermann, Thomas M. | Haiman, Christopher A. | Halai, Dina | Hallmans, Goran | Hassan, Manal | Hattinger, Claudia | He, Qincheng | He, Xingzhou | Helzlsouer, Kathy | Henderson, Brian | Henriksson, Roger | Hjalgrim, Henrik | Hoffman-Bolton, Judith | Hohensee, Chancellor | Holford, Theodore R. | Holly, Elizabeth A. | Hong, Yun-Chul | Hoover, Robert N. | Horn-Ross, Pamela L. | Hosain, G. M. Monawar | Hosgood, H. Dean | Hsiao, Chin-Fu | Hu, Nan | Hu, Wei | Hu, Zhibin | Huang, Ming-Shyan | Huerta, Jose-Maria | Hung, Jen-Yu | Hutchinson, Amy | Inskip, Peter D. | Jackson, Rebecca D. | Jacobs, Eric J. | Jenab, Mazda | Jeon, Hyo-Sung | Ji, Bu-Tian | Jin, Guangfu | Jin, Li | Johansen, Christoffer | Johnson, Alison | Jung, Yoo Jin | Kaaks, Rudolph | Kamineni, Aruna | Kane, Eleanor | Kang, Chang Hyun | Karagas, Margaret R. | Kelly, Rachel S. | Khaw, Kay-Tee | Kim, Christopher | Kim, Hee Nam | Kim, Jin Hee | Kim, Jun Suk | Kim, Yeul Hong | Kim, Young Tae | Kim, Young-Chul | Kitahara, Cari M. | Klein, Alison P. | Klein, Robert J. | Kogevinas, Manolis | Kohno, Takashi | Kolonel, Laurence N. | Kooperberg, Charles | Kricker, Anne | Krogh, Vittorio | Kunitoh, Hideo | Kurtz, Robert C. | Kweon, Sun-Seog | LaCroix, Andrea | Lawrence, Charles | Lecanda, Fernando | Lee, Victor Ho Fun | Li, Donghui | Li, Haixin | Li, Jihua | Li, Yao-Jen | Li, Yuqing | Liao, Linda M. | Liebow, Mark | Lightfoot, Tracy | Lim, Wei-Yen | Lin, Chien-Chung | Lin, Dongxin | Lindstrom, Sara | Linet, Martha S. | Link, Brian K. | Liu, Chenwei | Liu, Jianjun | Liu, Li | Ljungberg, Börje | Lloreta, Josep | Lollo, Simonetta Di | Lu, Daru | Lund, Eiluv | Malats, Nuria | Mannisto, Satu | Marchand, Loic Le | Marina, Neyssa | Masala, Giovanna | Mastrangelo, Giuseppe | Matsuo, Keitaro | Maynadie, Marc | McKay, James | McKean-Cowdin, Roberta | Melbye, Mads | Melin, Beatrice S. | Michaud, Dominique S. | Mitsudomi, Tetsuya | Monnereau, Alain | Montalvan, Rebecca | Moore, Lee E. | Mortensen, Lotte Maxild | Nieters, Alexandra | North, Kari E. | Novak, Anne J. | Oberg, Ann L. | Offit, Kenneth | Oh, In-Jae | Olson, Sara H. | Palli, Domenico | Pao, William | Park, In Kyu | Park, Jae Yong | Park, Kyong Hwa | Patiño-Garcia, Ana | Pavanello, Sofia | Peeters, Petra H. M. | Perng, Reury-Perng | Peters, Ulrike | Petersen, Gloria M. | Picci, Piero | Pike, Malcolm C. | Porru, Stefano | Prescott, Jennifer | Prokunina-Olsson, Ludmila | Qian, Biyun | Qiao, You-Lin | Rais, Marco | Riboli, Elio | Riby, Jacques | Risch, Harvey A. | Rizzato, Cosmeri | Rodabough, Rebecca | Roman, Eve | Roupret, Morgan | Ruder, Avima M. | de Sanjose, Silvia | Scelo, Ghislaine | Schned, Alan | Schumacher, Fredrick | Schwartz, Kendra | Schwenn, Molly | Scotlandi, Katia | Seow, Adeline | Serra, Consol | Serra, Massimo | Sesso, Howard D. | Setiawan, Veronica Wendy | Severi, Gianluca | Severson, Richard K. | Shanafelt, Tait D. | Shen, Hongbing | Shen, Wei | Shin, Min-Ho | Shiraishi, Kouya | Shu, Xiao-Ou | Siddiq, Afshan | Sierrasesúmaga, Luis | Sihoe, Alan Dart Loon | Skibola, Christine F. | Smith, Alex | Smith, Martyn T. | Southey, Melissa C. | Spinelli, John J. | Staines, Anthony | Stampfer, Meir | Stern, Marianna C. | Stevens, Victoria L. | Stolzenberg-Solomon, Rachael S. | Su, Jian | Su, Wu-Chou | Sund, Malin | Sung, Jae Sook | Sung, Sook Whan | Tan, Wen | Tang, Wei | Tardón, Adonina | Thomas, David | Thompson, Carrie A. | Tinker, Lesley F. | Tirabosco, Roberto | Tjønneland, Anne | Travis, Ruth C. | Trichopoulos, Dimitrios | Tsai, Fang-Yu | Tsai, Ying-Huang | Tucker, Margaret | Turner, Jenny | Vajdic, Claire M. | Vermeulen, Roel C. H. | Villano, Danylo J. | Vineis, Paolo | Virtamo, Jarmo | Visvanathan, Kala | Wactawski-Wende, Jean | Wang, Chaoyu | Wang, Chih-Liang | Wang, Jiu-Cun | Wang, Junwen | Wei, Fusheng | Weiderpass, Elisabete | Weiner, George J. | Weinstein, Stephanie | Wentzensen, Nicolas | White, Emily | Witzig, Thomas E. | Wolpin, Brian M. | Wong, Maria Pik | Wu, Chen | Wu, Guoping | Wu, Junjie | Wu, Tangchun | Wu, Wei | Wu, Xifeng | Wu, Yi-Long | Wunder, Jay S. | Xiang, Yong-Bing | Xu, Jun | Xu, Ping | Yang, Pan-Chyr | Yang, Tsung-Ying | Ye, Yuanqing | Yin, Zhihua | Yokota, Jun | Yoon, Ho-Il | Yu, Chong-Jen | Yu, Herbert | Yu, Kai | Yuan, Jian-Min | Zelenetz, Andrew | Zeleniuch-Jacquotte, Anne | Zhang, Xu-Chao | Zhang, Yawei | Zhao, Xueying | Zhao, Zhenhong | Zheng, Hong | Zheng, Tongzhang | Zheng, Wei | Zhou, Baosen | Zhu, Meng | Zucca, Mariagrazia | Boca, Simina M. | Cerhan, James R. | Ferri, Giovanni M. | Hartge, Patricia | Hsiung, Chao Agnes | Magnani, Corrado | Miligi, Lucia | Morton, Lindsay M. | Smedby, Karin E. | Teras, Lauren R. | Vijai, Joseph | Wang, Sophia S. | Brennan, Paul | Caporaso, Neil E. | Hunter, David J. | Kraft, Peter | Rothman, Nathaniel | Silverman, Debra T. | Slager, Susan L. | Chanock, Stephen J. | Chatterjee, Nilanjan
Background:
Studies of related individuals have consistently demonstrated notable familial aggregation of cancer. We aim to estimate the heritability and genetic correlation attributable to the additive effects of common single-nucleotide polymorphisms (SNPs) for cancer at 13 anatomical sites.
Methods:
Between 2007 and 2014, the US National Cancer Institute has generated data from genome-wide association studies (GWAS) for 49 492 cancer case patients and 34 131 control patients. We apply novel mixed model methodology (GCTA) to this GWAS data to estimate the heritability of individual cancers, as well as the proportion of heritability attributable to cigarette smoking in smoking-related cancers, and the genetic correlation between pairs of cancers.
Results:
GWAS heritability was statistically significant at nearly all sites, with the estimates of array-based heritability, hl 2, on the liability threshold (LT) scale ranging from 0.05 to 0.38. Estimating the combined heritability of multiple smoking characteristics, we calculate that at least 24% (95% confidence interval [CI] = 14% to 37%) and 7% (95% CI = 4% to 11%) of the heritability for lung and bladder cancer, respectively, can be attributed to genetic determinants of smoking. Most pairs of cancers studied did not show evidence of strong genetic correlation. We found only four pairs of cancers with marginally statistically significant correlations, specifically kidney and testes (ρ = 0.73, SE = 0.28), diffuse large B-cell lymphoma (DLBCL) and pediatric osteosarcoma (ρ = 0.53, SE = 0.21), DLBCL and chronic lymphocytic leukemia (CLL) (ρ = 0.51, SE =0.18), and bladder and lung (ρ = 0.35, SE = 0.14). Correlation analysis also indicates that the genetic architecture of lung cancer differs between a smoking population of European ancestry and a nonsmoking Asian population, allowing for the possibility that the genetic etiology for the same disease can vary by population and environmental exposures.
Conclusion:
Our results provide important insights into the genetic architecture of cancers and suggest new avenues for investigation.
doi:10.1093/jnci/djv279
PMCID: PMC4806328  PMID: 26464424
3.  A Fucus vesiculosus extract inhibits estrogen receptor activation and induces cell death in female cancer cell lines 
Background
We previously reported the anti-estrogenic activity of the brown seaweed, Fucus vesiculosus. The present study aimed to further investigate its anti-estrogenic modes of action and to assess other potentially biologically relevant anti-tumorigenic effects in estrogen receptor (ER)-dependent and -independent female cancer cell lines.
Methods
The CALUX® assay was used to determine the effect of a F. vesiculosus extract (FVE) on activation of the ER. Aromatase enzymatic activity was measured to determine the potential effect of FVE on estradiol (E2) biosynthesis. Transcriptional activity profiling of 248 genes involved in cancer, immunity, hormonal regulation, protein phosphorylation, transcription, metabolism, and cellular structure was conducted using the NanoString nCounter® analysis system in FVE-treated breast, ovarian and endometrial cancer cell lines. The effects of FVE on cell viability, morphology, membrane integrity, mitochondrial toxicity, induction of apoptotic and autophagic markers, and cell signaling were also analyzed.
Results
In co-treatments with 12.5 pM (EC50) E2, FVE (2 %) reduced ER activation by 50 %, exhibiting potent ER antagonistic effects. FVE inhibited aromatase activity in an in vitro assay (IC50 2.0 %). ER-dependent and -independent cancer cell lines showed significantly decreased viability that correlated with increasing FVE concentrations and altered morphological features suggestive of apoptosis and autophagy. Expression of genes that were significantly altered by FVE (p < 0.05) revealed predominantly apoptotic, autophagic and kinase signaling pathways. FVE also effectively inhibited the phosphorylation of Akt, resulting in reduced mTORC1 activities to stimulate autophagy in cells. Concentration-dependent cleavage of PARP and induction of caspase-3 and -7 activities were observed in MDA-MB-231 cells supporting a role for FVE in the promotion of apoptosis.
Conclusions
Our study provides new insights into the anti-estrogenic activity of F. vesiculosus. Moreover, the induction of autophagy and apoptosis on breast, endometrial and ovarian cancer cell lines suggests additional anti-tumorigenic actions of FVE that are independent of ER status in female cancers.
Electronic supplementary material
The online version of this article (doi:10.1186/s12906-016-1129-6) contains supplementary material, which is available to authorized users.
doi:10.1186/s12906-016-1129-6
PMCID: PMC4884380  PMID: 27234961
Seaweed; Apoptosis; Autophagy; PI3K signaling; Fucoidan; Anti-estrogenic activity
4.  Zygosity Differences in Height and Body Mass Index of Twins From Infancy to Old Age: A Study of the CODATwins Project 
Jelenkovic, Aline | Yokoyama, Yoshie | Sund, Reijo | Honda, Chika | Bogl, Leonie H. | Aaltonen, Sari | Ji, Fuling | Ning, Feng | Pang, Zengchang | Ordoñana, Juan R. | Sánchez-Romera, Juan F. | Colodro-Conde, Lucia | Burt, S. Alexandra | Klump, Kelly L. | Medland, Sarah E. | Montgomery, Grant W. | Kandler, Christian | McAdams, Tom A. | Eley, Thalia C. | Gregory, Alice M. | Saudino, Kimberly J. | Dubois, Lise | Boivin, Michel | Tarnoki, Adam D. | Tarnoki, David L. | Haworth, Claire M. A. | Plomin, Robert | Öncel, Sevgi Y. | Aliev, Fazil | Stazi, Maria A. | Fagnani, Corrado | D’Ippolito, Cristina | Craig, Jeffrey M. | Saffery, Richard | Siribaddana, Sisira H. | Hotopf, Matthew | Sumathipala, Athula | Rijsdijk, Fruhling | Spector, Timothy | Mangino, Massimo | Lachance, Genevieve | Gatz, Margaret | Butler, David A. | Bayasgalan, Gombojav | Narandalai, Danshiitsoodol | Freitas, Duarte L. | Maia, José Antonio | Harden, K. Paige | Tucker-Drob, Elliot M. | Kim, Bia | Chong, Youngsook | Hong, Changhee | Shin, Hyun Jung | Christensen, Kaare | Skytthe, Axel | Kyvik, Kirsten O. | Derom, Catherine A. | Vlietinck, Robert F. | Loos, Ruth J. F. | Cozen, Wendy | Hwang, Amie E. | Mack, Thomas M. | He, Mingguang | Ding, Xiaohu | Chang, Billy | Silberg, Judy L. | Eaves, Lindon J. | Maes, Hermine H. | Cutler, Tessa L. | Hopper, John L. | Aujard, Kelly | Magnusson, Patrik K. E. | Pedersen, Nancy L. | Dahl Aslan, Anna K. | Song, Yun-Mi | Yang, Sarah | Lee, Kayoung | Baker, Laura A. | Tuvblad, Catherine | Bjerregaard-Andersen, Morten | Beck-Nielsen, Henning | Sodemann, Morten | Heikkilä, Kauko | Tan, Qihua | Zhang, Dongfeng | Swan, Gary E. | Krasnow, Ruth | Jang, Kerry L. | Knafo-Noam, Ariel | Mankuta, David | Abramson, Lior | Lichtenstein, Paul | Krueger, Robert F. | McGue, Matt | Pahlen, Shandell | Tynelius, Per | Duncan, Glen E. | Buchwald, Dedra | Corley, Robin P. | Huibregtse, Brooke M. | Nelson, Tracy L. | Whitfield, Keith E. | Franz, Carol E. | Kremen, William S. | Lyons, Michael J. | Ooki, Syuichi | Brandt, Ingunn | Nilsen, Thomas Sevenius | Inui, Fujio | Watanabe, Mikio | Bartels, Meike | van Beijsterveldt, Toos C. E. M. | Wardle, Jane | Llewellyn, Clare H. | Fisher, Abigail | Rebato, Esther | Martin, Nicholas G. | Iwatani, Yoshinori | Hayakawa, Kazuo | Sung, Joohon | Harris, Jennifer R. | Willemsen, Gonneke | Busjahn, Andreas | Goldberg, Jack H. | Rasmussen, Finn | Hur, Yoon-Mi | Boomsma, Dorret I. | Sørensen, Thorkild I. A. | Kaprio, Jaakko | Silventoinen, Karri
A trend toward greater body size in dizygotic (DZ) than in monozygotic (MZ) twins has been suggested by some but not all studies, and this difference may also vary by age. We analyzed zygosity differences in mean values and variances of height and body mass index (BMI) among male and female twins from infancy to old age. Data were derived from an international database of 54 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins), and included 842,951 height and BMI measurements from twins aged 1 to 102 years. The results showed that DZ twins were consistently taller than MZ twins, with differences of up to 2.0 cm in childhood and adolescence and up to 0.9 cm in adulthood. Similarly, a greater mean BMI of up to 0.3 kg/m2 in childhood and adolescence and up to 0.2 kg/m2 in adulthood was observed in DZ twins, although the pattern was less consistent. DZ twins presented up to 1.7% greater height and 1.9% greater BMI than MZ twins; these percentage differences were largest in middle and late childhood and decreased with age in both sexes. The variance of height was similar in MZ and DZ twins at most ages. In contrast, the variance of BMI was significantly higher in DZ than in MZ twins, particularly in childhood. In conclusion, DZ twins were generally taller and had greater BMI than MZ twins, but the differences decreased with age in both sexes.
doi:10.1017/thg.2015.57
PMCID: PMC4605819  PMID: 26337138
twins; height; BMI; zygosity differences
5.  Zygosity differences in height and body mass index of twins from infancy to old age: A study of the CODATwins project 
Jelenkovic, Aline | Yokoyama, Yoshie | Sund, Reijo | Honda, Chika | Bogl, Leonie H | Aaltonen, Sari | Ji, Fuling | Ning, Feng | Pang, Zengchang | Ordoñana, Juan R | Sánchez-Romera, Juan F | Colodro-Conde, Lucia | Burt, S Alexandra | Klump, Kelly L | Medland, Sarah E | Montgomery, Grant W | Kandler, Christian | McAdams, Tom A | Eley, Thalia C | Gregory, Alice M | Saudino, Kimberly J | Dubois, Lise | Boivin, Michel | Tarnoki, Adam D | Tarnoki, David L | Haworth, Claire MA | Plomin, Robert | Öncel, Sevgi Y | Aliev, Fazil | Stazi, Maria A | Fagnani, Corrado | D'Ippolito, Cristina | Craig, Jeffrey M | Saffery, Richard | Siribaddana, Sisira H | Hotopf, Matthew | Sumathipala, Athula | Rijsdijk, Fruhling | Spector, Timothy | Mangino, Massimo | Lachance, Genevieve | Gatz, Margaret | Butler, David A | Bayasgalan, Gombojav | Narandalai, Danshiitsoodol | Freitas, Duarte L | Maia, José Antonio | Harden, K Paige | Tucker-Drob, Elliot M | Kim, Bia | Chong, Youngsook | Hong, Changhee | Shin, Hyun Jung | Christensen, Kaare | Skytthe, Axel | Kyvik, Kirsten O | Derom, Catherine A | Vlietinck, Robert F | Loos, Ruth JF | Cozen, Wendy | Hwang, Amie E | Mack, Thomas M | He, Mingguang | Ding, Xiaohu | Chang, Billy | Silberg, Judy L | Eaves, Lindon J | Maes, Hermine H | Cutler, Tessa L | Hopper, John L | Aujard, Kelly | Magnusson, Patrik KE | Pedersen, Nancy L | Aslan, Anna K Dahl | Song, Yun-Mi | Yang, Sarah | Lee, Kayoung | Baker, Laura A | Tuvblad, Catherine | Bjerregaard-Andersen, Morten | Beck-Nielsen, Henning | Sodemann, Morten | Heikkilä, Kauko | Tan, Qihua | Zhang, Dongfeng | Swan, Gary E | Krasnow, Ruth | Jang, Kerry L | Knafo-Noam, Ariel | Mankuta, David | Abramson, Lior | Lichtenstein, Paul | Krueger, Robert F | McGue, Matt | Pahlen, Shandell | Tynelius, Per | Duncan, Glen E | Buchwald, Dedra | Corley, Robin P | Huibregtse, Brooke M | Nelson, Tracy L | Whitfield, Keith E | Franz, Carol E | Kremen, William S | Lyons, Michael J | Ooki, Syuichi | Brandt, Ingunn | Nilsen, Thomas Sevenius | Inui, Fujio | Watanabe, Mikio | Bartels, Meike | van Beijsterveldt, Toos CEM | Wardle, Jane | Llewellyn, Clare H | Fisher, Abigail | Rebato, Esther | Martin, Nicholas G | Iwatani, Yoshinori | Hayakawa, Kazuo | Sung, Joohon | Harris, Jennifer R | Willemsen, Gonneke | Busjahn, Andreas | Goldberg, Jack H | Rasmussen, Finn | Hur, Yoon-Mi | Boomsma, Dorret I | Sørensen, Thorkild IA | Kaprio, Jaakko | Silventoinen, Karri
A trend towards greater body size in dizygotic (DZ) than in monozygotic (MZ) twins has been suggested by some but not all studies, and this difference may also vary by age. We analyzed zygosity differences in means and variances of height and body mass index (BMI) among male and female twins from infancy to old age. Data were derived from an international database of 54 twin cohorts participating in the CODATwins project and included 842,951 height and BMI measurements from age 1 to 102 years. The results showed that DZ twins were consistently taller than MZ twins, with differences of up to 2.0 cm in childhood and adolescence and up to 0.9 cm in adulthood. Likewise, a greater mean BMI of up to 0.3 kg/m2 in childhood and adolescence and up to 0.2 kg/m2 in adulthood was observed in DZ twins, although the pattern was less consistent. DZ twins presented up to 1.7% greater height and 1.9% greater BMI than MZ twins; these percentage differences were largest in middle and late childhood and decreased with age in both sexes. The variance of height was similar in MZ and DZ twins at most ages. In contrast the variance of BMI was significantly higher in DZ than in MZ twins particularly in childhood. In conclusion, DZ twins were generally taller and had greater BMI than MZ twins, but the differences decreased with age in both sexes.
doi:10.1017/thg.2015.57
PMCID: PMC4605819  PMID: 26337138
6.  Meta-analysis of genome-wide association studies discovers multiple loci for chronic lymphocytic leukemia 
Berndt, Sonja I. | Camp, Nicola J. | Skibola, Christine F. | Vijai, Joseph | Wang, Zhaoming | Gu, Jian | Nieters, Alexandra | Kelly, Rachel S. | Smedby, Karin E. | Monnereau, Alain | Cozen, Wendy | Cox, Angela | Wang, Sophia S. | Lan, Qing | Teras, Lauren R. | Machado, Moara | Yeager, Meredith | Brooks-Wilson, Angela R. | Hartge, Patricia | Purdue, Mark P. | Birmann, Brenda M. | Vajdic, Claire M. | Cocco, Pierluigi | Zhang, Yawei | Giles, Graham G. | Zeleniuch-Jacquotte, Anne | Lawrence, Charles | Montalvan, Rebecca | Burdett, Laurie | Hutchinson, Amy | Ye, Yuanqing | Call, Timothy G. | Shanafelt, Tait D. | Novak, Anne J. | Kay, Neil E. | Liebow, Mark | Cunningham, Julie M. | Allmer, Cristine | Hjalgrim, Henrik | Adami, Hans-Olov | Melbye, Mads | Glimelius, Bengt | Chang, Ellen T. | Glenn, Martha | Curtin, Karen | Cannon-Albright, Lisa A. | Diver, W Ryan | Link, Brian K. | Weiner, George J. | Conde, Lucia | Bracci, Paige M. | Riby, Jacques | Arnett, Donna K. | Zhi, Degui | Leach, Justin M. | Holly, Elizabeth A. | Jackson, Rebecca D. | Tinker, Lesley F. | Benavente, Yolanda | Sala, Núria | Casabonne, Delphine | Becker, Nikolaus | Boffetta, Paolo | Brennan, Paul | Foretova, Lenka | Maynadie, Marc | McKay, James | Staines, Anthony | Chaffee, Kari G. | Achenbach, Sara J. | Vachon, Celine M. | Goldin, Lynn R. | Strom, Sara S. | Leis, Jose F. | Weinberg, J. Brice | Caporaso, Neil E. | Norman, Aaron D. | De Roos, Anneclaire J. | Morton, Lindsay M. | Severson, Richard K. | Riboli, Elio | Vineis, Paolo | Kaaks, Rudolph | Masala, Giovanna | Weiderpass, Elisabete | Chirlaque, María- Dolores | Vermeulen, Roel C. H. | Travis, Ruth C. | Southey, Melissa C. | Milne, Roger L. | Albanes, Demetrius | Virtamo, Jarmo | Weinstein, Stephanie | Clavel, Jacqueline | Zheng, Tongzhang | Holford, Theodore R. | Villano, Danylo J. | Maria, Ann | Spinelli, John J. | Gascoyne, Randy D. | Connors, Joseph M. | Bertrand, Kimberly A. | Giovannucci, Edward | Kraft, Peter | Kricker, Anne | Turner, Jenny | Ennas, Maria Grazia | Ferri, Giovanni M. | Miligi, Lucia | Liang, Liming | Ma, Baoshan | Huang, Jinyan | Crouch, Simon | Park, Ju-Hyun | Chatterjee, Nilanjan | North, Kari E. | Snowden, John A. | Wright, Josh | Fraumeni, Joseph F. | Offit, Kenneth | Wu, Xifeng | de Sanjose, Silvia | Cerhan, James R. | Chanock, Stephen J. | Rothman, Nathaniel | Slager, Susan L.
Nature Communications  2016;7:10933.
Chronic lymphocytic leukemia (CLL) is a common lymphoid malignancy with strong heritability. To further understand the genetic susceptibility for CLL and identify common loci associated with risk, we conducted a meta-analysis of four genome-wide association studies (GWAS) composed of 3,100 cases and 7,667 controls with follow-up replication in 1,958 cases and 5,530 controls. Here we report three new loci at 3p24.1 (rs9880772, EOMES, P=2.55 × 10−11), 6p25.2 (rs73718779, SERPINB6, P=1.97 × 10−8) and 3q28 (rs9815073, LPP, P=3.62 × 10−8), as well as a new independent SNP at the known 2q13 locus (rs9308731, BCL2L11, P=1.00 × 10−11) in the combined analysis. We find suggestive evidence (P<5 × 10−7) for two additional new loci at 4q24 (rs10028805, BANK1, P=7.19 × 10−8) and 3p22.2 (rs1274963, CSRNP1, P=2.12 × 10−7). Pathway analyses of new and known CLL loci consistently show a strong role for apoptosis, providing further evidence for the importance of this biological pathway in CLL susceptibility.
Chronic lymphocytic leukemia is a highly inheritable cancer. Here the authors conduct a metaanalysis of four genome-wide association studies and identify three novel loci located near EOMES, SERPINB6 and LPP associated with risk of this disease.
doi:10.1038/ncomms10933
PMCID: PMC4786871  PMID: 26956414
7.  The potential relevance of the endocannabinoid, 2-arachidonoylglycerol, in diffuse large B-cell lymphoma 
Oncoscience  2016;3(1):31-41.
Diffuse large B-cell lymphoma is an aggressive, genetically heterogenerous disease and the most common type of non-Hodgkin lymphoma among adults. To gain further insights into the etiology of DLBCL and to discover potential disease-related factors, we performed a serum lipid analysis on a subset of individuals from a population-based NHL case-control study.
An untargeted mass-spectrometry-based metabolomics platform was used to analyze serum samples from 100 DLBCL patients and 100 healthy matched controls. Significantly elevated levels of the endocannabinoid, 2-arachidonoylglycerol (2-AG), were detected in the serum of DLBCL patients (121%, P < 0.05). In the male controls, elevated 2-AG levels were observed in those who were overweight (BMI ≥ 25 - < 30 kg/m2; 108%, P < 0.01) and obese (BMI ≥ 30 kg/m2; 118%, P < 0.001) compared to those with a BMI < 25 kg/m2. DLBCL cell lines treated with exogenous 2-AG across a range of concentrations, exhibited heterogenous responses: proliferation rates were markedly higher in 4 cell lines by 22%-68% (P < 0.001) and lower in 8 by 20%-75% (P < 0.001). The combined findings of elevated 2-AG levels in DLBCL patients and the proliferative effects of 2-AG on a subset of DLBCL cell lines suggests that 2-AG may play a potential role in the pathogenesis or progression of a subset of DLBCLs.
PMCID: PMC4751914  PMID: 26973858
endocannabinoids; 2-AG; DLBCL; lymphoma; obesity
8.  The CODAtwins project: the cohort description of COllaborative project of Development of Anthropometrical measures in Twins to study macro-environmental variation in genetic and environmental effects on anthropometric traits 
Silventoinen, Karri | Jelenkovic, Aline | Sund, Reijo | Honda, Chika | Aaltonen, Sari | Yokoyama, Yoshie | Tarnoki, Adam D | Tarnoki, David L | Ning, Feng | Ji, Fuling | Pang, Zengchang | Ordoñana, Juan R | Sánchez-Romera, Juan F | Colodro-Conde, Lucia | Burt, S Alexandra | Klump, Kelly L | Medland, Sarah E | Montgomery, Grant W | Kandler, Christian | McAdams, Tom A | Eley, Thalia C | Gregory, Alice M | Saudino, Kimberly J | Dubois, Lise | Boivin, Michel | Haworth, Claire MA | Plomin, Robert | Öncel, Sevgi Y | Aliev, Fazil | Stazi, Maria A | Fagnani, Corrado | D'Ippolito, Cristina | Craig, Jeffrey M | Saffery, Richard | Siribaddana, Sisira H | Hotopf, Matthew | Sumathipala, Athula | Spector, Timothy | Mangino, Massimo | Lachance, Genevieve | Gatz, Margaret | Butler, David A | Bayasgalan, Gombojav | Narandalai, Danshiitsoodol | Freitas, Duarte L | Maia, José Antonio | Harden, K Paige | Tucker-Drob, Elliot M | Christensen, Kaare | Skytthe, Axel | Kyvik, Kirsten O | Hong, Changhee | Chong, Youngsook | Derom, Catherine A | Vlietinck, Robert F | Loos, Ruth JF | Cozen, Wendy | Hwang, Amie E | Mack, Thomas M | He, Mingguang | Ding, Xiaohu | Chang, Billy | Silberg, Judy L | Eaves, Lindon J | Maes, Hermine H | Cutler, Tessa L | Hopper, John L | Aujard, Kelly | Magnusson, Patrik KE | Pedersen, Nancy L | Dahl-Aslan, Anna K | Song, Yun-Mi | Yang, Sarah | Lee, Kayoung | Baker, Laura A | Tuvblad, Catherine | Bjerregaard-Andersen, Morten | Beck-Nielsen, Henning | Sodemann, Morten | Heikkilä, Kauko | Tan, Qihua | Zhang, Dongfeng | Swan, Gary E | Krasnow, Ruth | Jang, Kerry L | Knafo-Noam, Ariel | Mankuta, David | Abramson, Lior | Lichtenstein, Paul | Krueger, Robert F | McGue, Matt | Pahlen, Shandell | Tynelius, Per | Duncan, Glen E | Buchwald, Dedra | Corley, Robin P | Huibregtse, Brooke M | Nelson, Tracy L | Whitfield, Keith E | Franz, Carol E | Kremen, William S | Lyons, Michael J | Ooki, Syuichi | Brandt, Ingunn | Nilsen, Thomas Sevenius | Inui, Fujio | Watanabe, Mikio | Bartels, Meike | van Beijsterveldt, Toos CEM | Wardle, Jane | Llewellyn, Clare H | Fisher, Abigail | Rebato, Esther | Martin, Nicholas G | Iwatani, Yoshinori | Hayakawa, Kazuo | Rasmussen, Finn | Sung, Joohon | Harris, Jennifer R | Willemsen, Gonneke | Busjahn, Andreas | Goldberg, Jack H | Boomsma, Dorret I | Hur, Yoon-Mi | Sørensen, Thorkild IA | Kaprio, Jaakko
For over one hundred years, the genetics of human anthropometric traits has attracted scientific interest. In particular, height and body mass index (BMI, calculated as kg/m2) have been under intensive genetic research. However, it is still largely unknown whether and how heritability estimates vary between human populations. Opportunities to address this question have increased recently because of the establishment of many new twin cohorts and the increasing accumulation of data in established twin cohorts. We started a new research project to analyze systematically 1) the variation of heritability estimates of height, BMI and their trajectories over the life course between birth cohorts, ethnicities and countries, and 2) to study the effects of birth related factors, education and smoking on these anthropometric traits and whether these effects vary between twin cohorts. We identified 67 twin projects including both monozygotic and dizygotic twins using various sources. We asked for individual level data on height and weight including repeated measurements, birth related traits, background variables, education and smoking. By the end of 2014, 48 projects participated. Together, we have 893,458 height and weight measures (52% females) from 434,723 twin individuals, including 201,192 complete twin pairs (40% monozygotic, 40% same-sex dizygotic and 20% opposite-sex dizygotic) representing 22 countries. This project demonstrates that large-scale international twin studies are feasible and can promote the use of existing data for novel research purposes.
doi:10.1017/thg.2015.29
PMCID: PMC4696543  PMID: 26014041
9.  A genome-wide association study of marginal zone lymphoma shows association to the HLA region 
Vijai, Joseph | Wang, Zhaoming | Berndt, Sonja I | Skibola, Christine F | Slager, Susan L | de Sanjose, Silvia | Melbye, Mads | Glimelius, Bengt | Bracci, Paige M | Conde, Lucia | Birmann, Brenda M | Wang, Sophia S | Brooks-Wilson, Angela R | Lan, Qing | de Bakker, Paul I W | Vermeulen, Roel C H | Portlock, Carol | Ansell, Stephen M | Link, Brian K | Riby, Jacques | North, Kari E | Gu, Jian | Hjalgrim, Henrik | Cozen, Wendy | Becker, Nikolaus | Teras, Lauren R | Spinelli, John J | Turner, Jenny | Zhang, Yawei | Purdue, Mark P | Giles, Graham G | Kelly, Rachel S | Zeleniuch-Jacquotte, Anne | Ennas, Maria Grazia | Monnereau, Alain | Bertrand, Kimberly A | Albanes, Demetrius | Lightfoot, Tracy | Yeager, Meredith | Chung, Charles C | Burdett, Laurie | Hutchinson, Amy | Lawrence, Charles | Montalvan, Rebecca | Liang, Liming | Huang, Jinyan | Ma, Baoshan | Villano, Danylo J | Maria, Ann | Corines, Marina | Thomas, Tinu | Novak, Anne J | Dogan, Ahmet | Liebow, Mark | Thompson, Carrie A | Witzig, Thomas E | Habermann, Thomas M | Weiner, George J | Smith, Martyn T | Holly, Elizabeth A | Jackson, Rebecca D | Tinker, Lesley F | Ye, Yuanqing | Adami, Hans-Olov | Smedby, Karin E | De Roos, Anneclaire J | Hartge, Patricia | Morton, Lindsay M | Severson, Richard K | Benavente, Yolanda | Boffetta, Paolo | Brennan, Paul | Foretova, Lenka | Maynadie, Marc | McKay, James | Staines, Anthony | Diver, W Ryan | Vajdic, Claire M | Armstrong, Bruce K | Kricker, Anne | Zheng, Tongzhang | Holford, Theodore R | Severi, Gianluca | Vineis, Paolo | Ferri, Giovanni M | Ricco, Rosalia | Miligi, Lucia | Clavel, Jacqueline | Giovannucci, Edward | Kraft, Peter | Virtamo, Jarmo | Smith, Alex | Kane, Eleanor | Roman, Eve | Chiu, Brian C H | Fraumeni, Joseph F | Wu, Xifeng | Cerhan, James R | Offit, Kenneth | Chanock, Stephen J | Rothman, Nathaniel | Nieters, Alexandra
Nature communications  2015;6:5751.
Marginal zone lymphoma (MZL) is the third most common subtype of B-cell non-Hodgkin lymphoma. Here we perform a two-stage GWAS of 1,281 MZL cases and 7,127 controls of European ancestry and identify two independent loci near BTNL2 (rs9461741, P=3.95×10−15) and HLA-B (rs2922994, P=2.43×10−9) in the HLA region significantly associated with MZL risk. This is the first evidence that genetic variation in the major histocompatibility complex influences MZL susceptibility.
doi:10.1038/ncomms6751
PMCID: PMC4287989  PMID: 25569183
10.  Genome-wide association study identifies multiple susceptibility loci for diffuse large B-cell lymphoma 
Cerhan, James R | Berndt, Sonja I | Vijai, Joseph | Ghesquières, Hervé | McKay, James | Wang, Sophia S | Wang, Zhaoming | Yeager, Meredith | Conde, Lucia | de Bakker, Paul I W | Nieters, Alexandra | Cox, David | Burdett, Laurie | Monnereau, Alain | Flowers, Christopher R | De Roos, Anneclaire J | Brooks-Wilson, Angela R | Lan, Qing | Severi, Gianluca | Melbye, Mads | Gu, Jian | Jackson, Rebecca D | Kane, Eleanor | Teras, Lauren R | Purdue, Mark P | Vajdic, Claire M | Spinelli, John J | Giles, Graham G | Albanes, Demetrius | Kelly, Rachel S | Zucca, Mariagrazia | Bertrand, Kimberly A | Zeleniuch-Jacquotte, Anne | Lawrence, Charles | Hutchinson, Amy | Zhi, Degui | Habermann, Thomas M | Link, Brian K | Novak, Anne J | Dogan, Ahmet | Asmann, Yan W | Liebow, Mark | Thompson, Carrie A | Ansell, Stephen M | Witzig, Thomas E | Weiner, George J | Veron, Amelie S | Zelenika, Diana | Tilly, Hervé | Haioun, Corinne | Molina, Thierry Jo | Hjalgrim, Henrik | Glimelius, Bengt | Adami, Hans-Olov | Bracci, Paige M | Riby, Jacques | Smith, Martyn T | Holly, Elizabeth A | Cozen, Wendy | Hartge, Patricia | Morton, Lindsay M | Severson, Richard K | Tinker, Lesley F | North, Kari E | Becker, Nikolaus | Benavente, Yolanda | Boffetta, Paolo | Brennan, Paul | Foretova, Lenka | Maynadie, Marc | Staines, Anthony | Lightfoot, Tracy | Crouch, Simon | Smith, Alex | Roman, Eve | Diver, W Ryan | Offit, Kenneth | Zelenetz, Andrew | Klein, Robert J | Villano, Danylo J | Zheng, Tongzhang | Zhang, Yawei | Holford, Theodore R | Kricker, Anne | Turner, Jenny | Southey, Melissa C | Clavel, Jacqueline | Virtamo, Jarmo | Weinstein, Stephanie | Riboli, Elio | Vineis, Paolo | Kaaks, Rudolph | Trichopoulos, Dimitrios | Vermeulen, Roel C H | Boeing, Heiner | Tjonneland, Anne | Angelucci, Emanuele | Di Lollo, Simonetta | Rais, Marco | Birmann, Brenda M | Laden, Francine | Giovannucci, Edward | Kraft, Peter | Huang, Jinyan | Ma, Baoshan | Ye, Yuanqing | Chiu, Brian C H | Sampson, Joshua | Liang, Liming | Park, Ju-Hyun | Chung, Charles C | Weisenburger, Dennis D | Chatterjee, Nilanjan | Fraumeni, Joseph F | Slager, Susan L | Wu, Xifeng | de Sanjose, Silvia | Smedby, Karin E | Salles, Gilles | Skibola, Christine F | Rothman, Nathaniel | Chanock, Stephen J
Nature genetics  2014;46(11):1233-1238.
doi:10.1038/ng.3105
PMCID: PMC4213349  PMID: 25261932
11.  A genome-wide association study of marginal zone lymphoma shows association to the HLA region 
Vijai, Joseph | Wang, Zhaoming | Berndt, Sonja I. | Skibola, Christine F. | Slager, Susan L. | de Sanjose, Silvia | Melbye, Mads | Glimelius, Bengt | Bracci, Paige M. | Conde, Lucia | Birmann, Brenda M. | Wang, Sophia S. | Brooks-Wilson, Angela R. | Lan, Qing | de Bakker, Paul I. W. | Vermeulen, Roel C. H. | Portlock, Carol | Ansell, Stephen M. | Link, Brian K. | Riby, Jacques | North, Kari E. | Gu, Jian | Hjalgrim, Henrik | Cozen, Wendy | Becker, Nikolaus | Teras, Lauren R. | Spinelli, John J. | Turner, Jenny | Zhang, Yawei | Purdue, Mark P. | Giles, Graham G. | Kelly, Rachel S. | Zeleniuch-Jacquotte, Anne | Ennas, Maria Grazia | Monnereau, Alain | Bertrand, Kimberly A. | Albanes, Demetrius | Lightfoot, Tracy | Yeager, Meredith | Chung, Charles C. | Burdett, Laurie | Hutchinson, Amy | Lawrence, Charles | Montalvan, Rebecca | Liang, Liming | Huang, Jinyan | Ma, Baoshan | Villano, Danylo J. | Maria, Ann | Corines, Marina | Thomas, Tinu | Novak, Anne J. | Dogan, Ahmet | Liebow, Mark | Thompson, Carrie A. | Witzig, Thomas E. | Habermann, Thomas M. | Weiner, George J. | Smith, Martyn T. | Holly, Elizabeth A. | Jackson, Rebecca D. | Tinker, Lesley F. | Ye, Yuanqing | Adami, Hans-Olov | Smedby, Karin E. | De Roos, Anneclaire J. | Hartge, Patricia | Morton, Lindsay M. | Severson, Richard K. | Benavente, Yolanda | Boffetta, Paolo | Brennan, Paul | Foretova, Lenka | Maynadie, Marc | McKay, James | Staines, Anthony | Diver, W. Ryan | Vajdic, Claire M. | Armstrong, Bruce K. | Kricker, Anne | Zheng, Tongzhang | Holford, Theodore R. | Severi, Gianluca | Vineis, Paolo | Ferri, Giovanni M. | Ricco, Rosalia | Miligi, Lucia | Clavel, Jacqueline | Giovannucci, Edward | Kraft, Peter | Virtamo, Jarmo | Smith, Alex | Kane, Eleanor | Roman, Eve | Chiu, Brian C. H. | Fraumeni, Joseph F. | Wu, Xifeng | Cerhan, James R. | Offit, Kenneth | Chanock, Stephen J. | Rothman, Nathaniel | Nieters, Alexandra
Nature Communications  2015;6:5751.
Marginal zone lymphoma (MZL) is the third most common subtype of B-cell non-Hodgkin lymphoma. Here we perform a two-stage GWAS of 1,281 MZL cases and 7,127 controls of European ancestry and identify two independent loci near BTNL2 (rs9461741, P=3.95 × 10−15) and HLA-B (rs2922994, P=2.43 × 10−9) in the HLA region significantly associated with MZL risk. This is the first evidence that genetic variation in the major histocompatibility complex influences MZL susceptibility.
Marginal zone lymphoma (MZL) is a common subtype of B-cell non-Hodgkin lymphoma. Here the authors carry out a two-stage genome-wide association study in over 8,000 Europeans and identify two new MZL risk loci at chromosome 6p, implicating the major histocompatibility complex in the disease for the first time.
doi:10.1038/ncomms6751
PMCID: PMC4287989  PMID: 25569183
12.  eALPS: Estimating Abundance Levels in Pooled Sequencing Using Available Genotyping Data 
Journal of Computational Biology  2013;20(11):861-877.
Abstract
The recent advances in high-throughput sequencing technologies bring the potential of a better characterization of the genetic variation in humans and other organisms. In many occasions, either by design or by necessity, the sequencing procedure is performed on a pool of DNA samples with different abundances, where the abundance of each sample is unknown. Such a scenario is naturally occurring in the case of metagenomics analysis where a pool of bacteria is sequenced, or in the case of population studies involving DNA pools by design. Particularly, various pooling designs were recently suggested that can identify carriers of rare alleles in large cohorts, dramatically reducing the cost of such large-scale sequencing projects. A fundamental problem with such approaches for population studies is that the uncertainty of DNA proportions from different individuals in the pools might lead to spurious associations. Fortunately, it is often the case that the genotype data of at least some of the individuals in the pool is known. Here, we propose a method (eALPS) that uses the genotype data in conjunction with the pooled sequence data in order to accurately estimate the proportions of the samples in the pool, even in cases where not all individuals in the pool were genotyped (eALPS-LD). Using real data from a sequencing pooling study of non-Hodgkin's lymphoma, we demonstrate that the estimation of the proportions is crucial, since otherwise there is a risk for false discoveries. Additionally, we demonstrate that our approach is also applicable to the problem of quantification of species in metagenomics samples (eALPS-BCR) and is particularly suitable for metagenomic quantification of closely related species.
doi:10.1089/cmb.2013.0105
PMCID: PMC4013753  PMID: 24144111
algorithms; alignment; cancer genomics; NP-completeness
13.  A comprehensive evaluation of the role of genetic variation in follicular lymphoma survival 
BMC Medical Genetics  2014;15:113.
Background
Survival in follicular lymphoma (FL) is highly variable, even within prognostic groups defined by tumor grade and the Follicular Lymphoma International Prognostic Index. Studies suggest that germline single nucleotide polymorphisms (SNPs) may hold prognostic information but further investigation is needed.
Methods
We explored the association between SNPs and FL outcome using two approaches: 1) Two independent genome-wide association studies (GWAS) of ~300.000 SNPs followed by a meta-analysis encompassing 586 FL patients diagnosed in Denmark/Sweden 1999–2002 and in the United States 2001–2006; and 2) Investigation of 22 candidate-gene variants previously associated with FL outcome in the Danish/Swedish cohort (N = 373). We estimated time to lymphoma-specific death (approach 1 and 2) and lymphoma progression (approach 2) with hazard ratios (HR) and 95% confidence intervals (CI) in a multivariable Cox regression model.
Results
In the GWAS meta-analysis, using a random effects model, no variants were associated with lymphoma-specific death at a genome-wide significant level (p < 5.0 ×10−8). The strongest association was observed for tightly linked SNPs on 17q24 near the ABCA10 and ABCA6 genes (rs10491178 HRrandom = 3.17, 95% CI 2.09-4.79, prandom = 5.24 ×10−8). The ABCA10 and ABCA6 genes belong to a family of genes encoding for ABC transporter proteins, implicated in multidrug resistance. In line with a previous study, rs2466571 in CD46 (HR = 0.73, 95% CI 0.58-0.91, p = 0.006) showed nominal association with lymphoma progression, as did two highly linked SNPs in IL8 (rs4073 HR = 0.78, 95% CI 0.62-0.97, p = 0.02; rs2227307 HR = 0.75, 95% CI 0.60-0.94, p = 0.01) previously associated with overall survival.
Conclusions
The results suggest a possible role for multidrug resistance in FL survival and add to the evidence that genetic variation in CD46 and IL8 may have prognostic implications in FL. Our findings need further confirmation in other independent populations or in a larger multicenter GWAS.
Electronic supplementary material
The online version of this article (doi:10.1186/s12881-014-0113-6) contains supplementary material, which is available to authorized users.
doi:10.1186/s12881-014-0113-6
PMCID: PMC4411784  PMID: 25294155
Follicular lymphoma; Prognosis; Single nucleotide polymorphism; Genome-wide association study; Candidate gene study
14.  Copy Number Variation Analysis on a Non-Hodgkin Lymphoma Case-Control Study Identifies an 11q25 Duplication Associated with Diffuse Large B-Cell Lymphoma 
PLoS ONE  2014;9(8):e105382.
Recent GWAS have identified several susceptibility loci for NHL. Despite these successes, much of the heritable variation in NHL risk remains to be explained. Common copy-number variants are important genomic sources of variability, and hence a potential source to explain part of this missing heritability. In this study, we carried out a CNV analysis using GWAS data from 681 NHL cases and 749 controls to explore the relationship between common structural variation and lymphoma susceptibility. Here we found a novel association with diffuse large B-cell lymphoma (DLBCL) risk involving a partial duplication of the C-terminus region of the LOC283177 long non-coding RNA that was further confirmed by quantitative PCR. For chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), known somatic deletions were identified on chromosomes 13q14, 11q22-23, 14q32 and 22q11.22. Our study shows that GWAS data can be used to identify germline CNVs associated with disease risk for DLBCL and somatic CNVs for CLL/SLL.
doi:10.1371/journal.pone.0105382
PMCID: PMC4136881  PMID: 25133503
15.  Genome-wide Association Study Identifies Multiple Risk Loci for Chronic Lymphocytic Leukemia 
Berndt, Sonja I. | Skibola, Christine F. | Joseph, Vijai | Camp, Nicola J. | Nieters, Alexandra | Wang, Zhaoming | Cozen, Wendy | Monnereau, Alain | Wang, Sophia S. | Kelly, Rachel S. | Lan, Qing | Teras, Lauren R. | Chatterjee, Nilanjan | Chung, Charles C. | Yeager, Meredith | Brooks-Wilson, Angela R. | Hartge, Patricia | Purdue, Mark P. | Birmann, Brenda M. | Armstrong, Bruce K. | Cocco, Pierluigi | Zhang, Yawei | Severi, Gianluca | Zeleniuch-Jacquotte, Anne | Lawrence, Charles | Burdette, Laurie | Yuenger, Jeffrey | Hutchinson, Amy | Jacobs, Kevin B. | Call, Timothy G. | Shanafelt, Tait D. | Novak, Anne J. | Kay, Neil E. | Liebow, Mark | Wang, Alice H. | Smedby, Karin E | Adami, Hans-Olov | Melbye, Mads | Glimelius, Bengt | Chang, Ellen T. | Glenn, Martha | Curtin, Karen | Cannon-Albright, Lisa A. | Jones, Brandt | Diver, W. Ryan | Link, Brian K. | Weiner, George J. | Conde, Lucia | Bracci, Paige M. | Riby, Jacques | Holly, Elizabeth A. | Smith, Martyn T. | Jackson, Rebecca D. | Tinker, Lesley F. | Benavente, Yolanda | Becker, Nikolaus | Boffetta, Paolo | Brennan, Paul | Foretova, Lenka | Maynadie, Marc | McKay, James | Staines, Anthony | Rabe, Kari G. | Achenbach, Sara J. | Vachon, Celine M. | Goldin, Lynn R | Strom, Sara S. | Lanasa, Mark C. | Spector, Logan G. | Leis, Jose F. | Cunningham, Julie M. | Weinberg, J. Brice | Morrison, Vicki A. | Caporaso, Neil E. | Norman, Aaron D. | Linet, Martha S. | De Roos, Anneclaire J. | Morton, Lindsay M. | Severson, Richard K. | Riboli, Elio | Vineis, Paolo | Kaaks, Rudolph | Trichopoulos, Dimitrios | Masala, Giovanna | Weiderpass, Elisabete | Chirlaque, María-Dolores | Vermeulen, Roel C H | Travis, Ruth C. | Giles, Graham G. | Albanes, Demetrius | Virtamo, Jarmo | Weinstein, Stephanie | Clavel, Jacqueline | Zheng, Tongzhang | Holford, Theodore R | Offit, Kenneth | Zelenetz, Andrew | Klein, Robert J. | Spinelli, John J. | Bertrand, Kimberly A. | Laden, Francine | Giovannucci, Edward | Kraft, Peter | Kricker, Anne | Turner, Jenny | Vajdic, Claire M. | Ennas, Maria Grazia | Ferri, Giovanni M. | Miligi, Lucia | Liang, Liming | Sampson, Joshua | Crouch, Simon | Park, Ju-hyun | North, Kari E. | Cox, Angela | Snowden, John A. | Wright, Josh | Carracedo, Angel | Lopez-Otin, Carlos | Bea, Silvia | Salaverria, Itziar | Martin, David | Campo, Elias | Fraumeni, Joseph F. | de Sanjose, Silvia | Hjalgrim, Henrik | Cerhan, James R. | Chanock, Stephen J. | Rothman, Nathaniel | Slager, Susan L.
Nature genetics  2013;45(8):868-876.
doi:10.1038/ng.2652
PMCID: PMC3729927  PMID: 23770605
16.  Smoking, variation in N-acetyltransferase 1 (NAT1) and 2 (NAT2), and risk of non-Hodgkin lymphoma: a pooled analysis within the InterLymph consortium 
Cancer causes & control : CCC  2012;24(1):125-134.
Purpose
Studies of smoking and risk of non-Hodgkin lymphoma (NHL) have yielded inconsistent results, possibly due to subtype heterogeneity and/or genetic variation impacting the metabolism of tobacco-derived carcinogens, including substrates of the N-acetyltransferase enzymes NAT1 and NAT2.
Methods
We conducted a pooled analysis of 5,026 NHL cases and 4,630 controls from seven case–control studies in the international lymphoma epidemiology consortium to examine associations between smoking, variation in the N-acetyltransferase genes NAT1 and NAT2, and risk of NHL subtypes. Smoking data were harmonized across studies, and genetic variants in NAT1 and NAT2 were used to infer acetylation phenotype of the NAT1 and NAT2 enzymes, respectively. Pooled odds ratios (ORs) and 95 % confidence intervals (95 % CIs) for risk of NHL and subtypes were calculated using joint fixed effects unconditional logistic regression models.
Results
Current smoking was associated with a significant 30 % increased risk of follicular lymphoma (n = 1,176) but not NHL overall or other NHL subtypes. The association was similar among NAT2 slow (OR 1.36; 95 % CI 1.07–1.75) and intermediate/rapid (OR 1.27; 95 % CI 0.95–1.69) acetylators (pinteraction = 0.82) and also did not differ by NAT1*10 allelotype. Neither NAT2 phenotype nor NAT1*10 allelotype was associated with risk of NHL overall or NHL subtypes.
Conclusion
The current findings provide further evidence for a modest association between current smoking and follicular lymphoma risk and suggest that this association may not be influenced by variation in the N-acetyltransferase enzymes.
doi:10.1007/s10552-012-0098-4
PMCID: PMC3529854  PMID: 23160945
Non-Hodgkin lymphoma; Gene environment interaction; Cigarette smoking; N-acetyltransferase; Follicular lymphoma
17.  Common variants within 6p21.31 locus are associated with chronic lymphocytic leukaemia and potentially other non-Hodgkin lymphoma subtypes 
British journal of haematology  2012;159(5):572-576.
Summary
A recent meta-analysis of three genome-wide association studies of chronic lymphocytic leukaemia (CLL) identified two common variants at the 6p21.31 locus that are associated with CLL risk. To verify and further explore the association of these variants with other non-Hodgkin lymphoma (NHL) subtypes, we genotyped 1196 CLL cases, 1699 NHL cases, and 2410 controls. We found significant associations between the 6p21.31 variants and CLL risk (rs210134: P=0.01; rs210142: P=6.8×10−3). These variants also showed a trend towards association with some of the other NHL subtypes. Our results validate the prior work and support specific genetic pathways for risk among NHL subtypes.
doi:10.1111/bjh.12070
PMCID: PMC3614403  PMID: 23025533
CLL; NHL; SNPs; BAK1; risk locus
18.  Non-Hodgkin Lymphoma Risk and Variants in Genes Controlling Lymphocyte Development 
PLoS ONE  2013;8(9):e75170.
Non-Hodgkin lymphomas (NHL) are a heterogeneous group of solid tumours of lymphoid cell origin. Three important aspects of lymphocyte development include immunity and inflammation, DNA repair, and programmed cell death. We have used a previously established case-control study of NHL to ask whether genetic variation in genes involved in these three important processes influences risk of this cancer. 118 genes in these three categories were tagged with single nucleotide polymorphisms (SNPs), which were tested for association with NHL and its subtypes. The main analysis used logistic regression (additive model) to estimate odds ratios in European-ancestry cases and controls. 599 SNPs and 1116 samples (569 cases and 547 controls) passed quality control measures and were included in analyses. Following multiple-testing correction, one SNP in MSH3, a mismatch repair gene, showed an association with diffuse large B-cell lymphoma (OR: 1.91; 95% CI: 1.41–2.59; uncorrected p = 0.00003; corrected p = 0.010). This association was not replicated in an independent European-ancestry sample set of 251 diffuse large B-cell lymphoma cases and 737 controls, indicating this result was likely a false positive. It is likely that moderate sample size, inter-subtype and other genetic heterogeneity, and small true effect sizes account for the lack of replicable findings.
doi:10.1371/journal.pone.0075170
PMCID: PMC3787098  PMID: 24098683
19.  Sex- and Subtype-Specific Analysis of H2AFX Polymorphisms in Non-Hodgkin Lymphoma 
PLoS ONE  2013;8(9):e74619.
H2AFX encodes a histone variant involved in signaling sites of DNA damage and recruiting repair factors. Genetic variants in H2AFX may influence risk of non-Hodgkin lymphoma (NHL), a heterogeneous group of lymphoid tumors that are characterized by chromosomal translocations. We previously reported that rs2509049, a common variant in the promoter of H2AFX, was associated with risk for NHL in the British Columbia population. Here we report results for 13 single nucleotide polymorphisms (SNPs) in 100 Kb surrounding H2AFX in an expanded collection of 568 NHL cases and 547 controls. After correction for multiple testing, significant associations were present for mantle cell lymphoma (p=0.007 for rs604714) and all B-cell lymphomas (p=0.046 for rs2509049). Strong linkage disequilibrium in the 5 Kb upstream of H2AFX limited the ability to determine which specific SNP (rs2509049, rs7759, rs8551, rs643788, rs604714, or rs603826), if any, was responsible. There was a significant interaction between sex and rs2509049 in the all B-cell lymphomas group (p=0.002); a sex-stratified analysis revealed that the association was confined to females (p=0.001). Neither the overall nor the female-specific association with rs2509049 was replicated in any of four independent NHL sample sets. Meta-analysis of all five study populations (3,882 B-cell NHL cases and 3,718 controls) supported a weak association with B-cell lymphoma (OR=0.92, 95% CI=0.86-0.99, p=0.034), although this association was not significant after exclusion of the British Columbia data. Further research into the potential sex-specificity of the H2AFX-NHL association may identify a subset of NHL cases that are influenced by genotype at this locus.
doi:10.1371/journal.pone.0074619
PMCID: PMC3775730  PMID: 24069324
20.  A comprehensive study of polymorphisms in the ABCB1, ABCC2, ABCG2, NR1I2 genes and lymphoma risk 
Owing to their role in controlling the efflux of toxic compounds, transporters are central players in the process of detoxification and elimination of xenobiotics, which in turn is related to cancer risk. Among these transporters, ATP-binding cassette B1/multidrug resistance 1 (ABCB1/MDR1), ABCC2/multidrug resistance protein 2 (MRP2), and ABCG2/breast cancer resistance protein (BCRP) affect susceptibility to many hematopoietic malignancies. The maintenance of regulated expression of these transporters is governed through the activation of intracellular “xenosensors” like the nuclear receptor 1I2/pregnane X receptor (NR1I2/PXR). SNPs in genes encoding these regulators have also been implicated in the risk of several cancers. Using a tagging approach, we tested the hypothesis that common polymorphisms in the transporter genes ABCB1, ABCC2, ABCG2, and the regulator gene NR1I2 could be implicated in lymphoma risk. We selected 68 SNPs in the 4 genes, and we genotyped them in 1,481 lymphoma cases and 1,491 controls of the European cases-control study (EpiLymph) using the Illumina™ GoldenGate assay technology.Carriers of the SNP rs6857600 minor allele in ABCG2, was associated with a decrease in risk of B-cell lymphoma (B-NHL) overall (p<0.001). Furthermore, a decreased risk of chronic lymphocytic leukemia (CLL) was associated with the ABCG2 rs2231142 variant (p=0.0004), which could be replicated in an independent population. These results suggest a role for this gene in B-NHL susceptibility, especially for CLL.
doi:10.1002/ijc.26436
PMCID: PMC3432449  PMID: 21918980
Lymphoma; multidrug resistance 1 (MDR1); multidrug resistance protein 2 (MRP2); breast cancer resistance protein (BCRP); pregnane X receptor (PXR)
21.  Multi-locus HLA class I and II allele and haplotype associations with follicular lymphoma 
Tissue Antigens  2012;79(4):279-286.
Follicular lymphoma (FL) is an indolent, sometimes fatal disease characterized by recurrence at progressively shorter intervals and is frequently refractive to therapy. Genome-wide association studies have identified SNPs in the human leukocyte antigen (HLA) region on chromosome 6p21.32–33 that are statistically significantly associated with FL risk. Low to medium resolution typing of single or multiple HLA genes has provided an incomplete picture of the total genetic risk imparted by this highly variable region. To gain further insight into the role of HLA alleles in lymphomagenesis and to investigate the independence of validated SNPs and HLA alleles with FL risk, high-resolution HLA typing was conducted using next-generation sequencing in 222 non-Hispanic white FL cases and 220 matched controls from a larger San Francisco Bay Area population-based case-control study of lymphoma. A novel protective association was found between the DPB1*03:01 allele and FL risk (OR=0.39, 95% CI 0.21–0.68). Extended haplotypes DRB1*01:01-DQA1*01:01-DQB1*05:01 (OR=2.01, 95% CI 1.22–3.38) and DRB1*15-DQA1*01-DQB1*06 (OR=0.55, 95% CI 0.36–0.82) also influenced FL risk. Moreover, DRB1*15-DQA1*01-DQB1*06 was highly correlated with an established FL risk locus, rs2647012. These results provide further insight into the critical roles of HLA alleles and SNPs in FL pathogenesis that involve multi-locus effects across the HLA region.
doi:10.1111/j.1399-0039.2012.01845.x
PMCID: PMC3293942  PMID: 22296171
follicular lymphoma; HLA; genetic risk factors; next-generation sequencing
22.  A meta-analysis of genome-wide association studies of follicular lymphoma 
BMC Genomics  2012;13:516.
Background
B-cell non-Hodgkin lymphoma represents a diverse group of hematological malignancies, of which follicular lymphoma (FL) is one of the most common subtypes. Family and epidemiological studies suggest an important genetic role in the etiology of FL. In recent genome-wide association studies (GWAS) of FL, several genetic susceptibility loci have been identified on chromosome 6p21.33 (rs6457327) and 6p21.32 (rs10484561, rs2647012) in the human leukocyte antigen class I and class II regions. To identify new genetic variants and further elucidate the genetic basis of FL, a meta-analysis was performed of the top 1000 SNPs associated with FL risk from two GWAS in the US, Denmark and Sweden (592 cases, 1541 controls), with independent validation in 107 cases and 681 controls.
Results
rs9275517 and rs3117222 in the HLA class II region were validated and inversely associated with FL risk (rs9275517: OR = 0.63, 95% CI = 0.55-0.73, p = 4.03 × 10-11; rs3117222: OR = 0.66, 95% CI = 0.57-0.77, p = 1.45 × 10-7). rs9275517, which is in high linkage disequilibrium with rs2647012 (r2 = 0.9), was no longer associated with FL after conditioning on rs2647012. The rs3117222 association was independent of established FL SNPs, but not of the HLA-DPB1*0301 allele. Using publicly available gene expression profiles with matching genotype information, we found that rs3117222 also was significantly correlated with increased HLA-DPB1 expression.
Conclusions
By performing a meta-analysis of two GWAS of FL, we further validated the relevance of HLA-DPB1*0301 as a protective allele in the pathogenesis of FL. Moreover, the protective rs3117222 A allele correlated with increased levels of HLA-DPB1, suggesting a possible disease mechanism involving HLA-DPB1 expression regulation. Our results add further support to the major role of HLA genetic variation in the pathogenesis of FL.
doi:10.1186/1471-2164-13-516
PMCID: PMC3534234  PMID: 23025665
Follicular lymphoma (FL); Genome-wide association studies (GWAS); Human leukocyte antigen (HLA); Meta-analysis
23.  Chemokine polymorphisms and lymphoma: a pooled analysis 
Leukemia & lymphoma  2010;51(3):497-506.
Polymorphisms in chemokine genes have been associated with human immunodeficiency virus (HIV)-related non-Hodgkin lymphoma (NHL) but are understudied in non-HIV-related NHL. Associations of NHL and NHL subtypes with polymorphisms and haplotypes in CCR5, CCR2, CCL5, CXCL12 and CX3CR1 were explored in a pooled analysis of three case-control studies (San Francisco Bay Area, California; United Kingdom; total: cases N=1610, controls N=1992). Adjusted unconditional logistic regression was used to estimate relative risks among HIV-negative non-Hispanic Caucasians. The CCR5M Δ32 deletion reduced the risk of NHL (odds ratio=0.56, 95% confidence interval=0.38-0.83) in men but not women with similar effects observed for diffuse large-cell and follicular lymphoma (FL). NHL risk also was reduced in men with the CCR2/CCR5 haplotype characterized by the CCR5 Δ32 deletion. The CCL5 −403A allele conferred reduced risks of FL and chronic lymphocytic leukemia/small lymphocytic lymphoma. Results should be interpreted conservatively. Continued investigation is warranted to confirm these findings.
doi:10.3109/10428190903518337
PMCID: PMC3443685  PMID: 20038229
Lymphoma non-Hodgkin; Chemokines; Polymorphism, genetic; Case-Control
24.  A search for overlapping susceptibility loci between non-Hodgkin lymphoma and autoimmune diseases 
Genomics  2011;98(1):9-14.
Non-Hodgkin lymphoma (NHL) is a hematological malignancy of the immune system, and, as with autoimmune and inflammatory diseases (ADs), is influenced by genetic variation in the major histocompatibility complex (MHC). Persons with a history of specific ADs also have increased risk of NHL. As the coexistence of ADs and NHL could be caused by factors common to both diseases, here we examined whether some of the associated genetic signals are shared. Overlapping risk loci for NHL subytpes and several ADs were explored using data from genome-wide association studies. Several common genomic regions and susceptibility loci were identified suggesting a potential shared genetic background. Two independent MHC regions showed the main overlap, with several alleles in the human leukocyte antigen (HLA) Class II region exhibiting an opposite risk effect for follicular lymphoma and type I diabetes. These results support continued investigation to further elucidate the relationship between lymphoma and autoimmune diseases.
doi:10.1016/j.ygeno.2011.03.007
PMCID: PMC3129413  PMID: 21439368
Non-Hodgkin lymphoma; Autoimmune diseases; Genome-wide Association Studies; Human Leukocyte Antigen
25.  Association of HLA-DQB1 alleles with risk of follicular lymphoma 
Leukemia & lymphoma  2010;52(1):53-58.
In a recent genome-wide association study of follicular lymphoma (FL), we identified novel risk alleles on chromosome 6p21.33 that appeared to be part of an extended haplotype including HLA-DRB1*0101, DQA1*0101, and DQB1*0501. To follow up on these findings, we obtained 2–4 digit HLA-DQB1 allelotypes on a subset of 265 FL cases and 757 controls using a novel assay that applies multiplexed ligation-dependent probe amplification (MLPA). We confirmed a positive association between FL and the HLA-DQB1*05 allele group (OR=1.70, 95% CI 1.28–2.27; adjusted p-value=0.013) and also identified an allele group inversely associated with FL risk, HLA-DQB1*06 (OR=0.51, 95% CI 0.38–0.69; adjusted p-value=4.46×10−5). Although these findings require verification, the role of HLA class II proteins in B-cell survival and proliferation make this a biologically plausible association.
doi:10.3109/10428194.2010.532888
PMCID: PMC3331678  PMID: 21133715
follicular lymphoma; MHC; HLA; DQ; NHL

Results 1-25 (31)