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1.  Genotypic variants at 2q33 and risk of esophageal squamous cell carcinoma in China: a meta-analysis of genome-wide association studies 
Abnet, Christian C. | Wang, Zhaoming | Song, Xin | Hu, Nan | Zhou, Fu-You | Freedman, Neal D. | Li, Xue-Min | Yu, Kai | Shu, Xiao-Ou | Yuan, Jian-Min | Zheng, Wei | Dawsey, Sanford M. | Liao, Linda M. | Lee, Maxwell P. | Ding, Ti | Qiao, You-Lin | Gao, Yu-Tang | Koh, Woon-Puay | Xiang, Yong-Bing | Tang, Ze-Zhong | Fan, Jin-Hu | Chung, Charles C. | Wang, Chaoyu | Wheeler, William | Yeager, Meredith | Yuenger, Jeff | Hutchinson, Amy | Jacobs, Kevin B. | Giffen, Carol A. | Burdett, Laurie | Fraumeni, Joseph F. | Tucker, Margaret A. | Chow, Wong-Ho | Zhao, Xue-Ke | Li, Jiang-Man | Li, Ai-Li | Sun, Liang-Dan | Wei, Wu | Li, Ji-Lin | Zhang, Peng | Li, Hong-Lei | Cui, Wen-Yan | Wang, Wei-Peng | Liu, Zhi-Cai | Yang, Xia | Fu, Wen-Jing | Cui, Ji-Li | Lin, Hong-Li | Zhu, Wen-Liang | Liu, Min | Chen, Xi | Chen, Jie | Guo, Li | Han, Jing-Jing | Zhou, Sheng-Li | Huang, Jia | Wu, Yue | Yuan, Chao | Huang, Jing | Ji, Ai-Fang | Kul, Jian-Wei | Fan, Zhong-Min | Wang, Jian-Po | Zhang, Dong-Yun | Zhang, Lian-Qun | Zhang, Wei | Chen, Yuan-Fang | Ren, Jing-Li | Li, Xiu-Min | Dong, Jin-Cheng | Xing, Guo-Lan | Guo, Zhi-Gang | Yang, Jian-Xue | Mao, Yi-Ming | Yuan, Yuan | Guo, Er-Tao | Zhang, Wei | Hou, Zhi-Chao | Liu, Jing | Li, Yan | Tang, Sa | Chang, Jia | Peng, Xiu-Qin | Han, Min | Yin, Wan-Li | Liu, Ya-Li | Hu, Yan-Long | Liu, Yu | Yang, Liu-Qin | Zhu, Fu-Guo | Yang, Xiu-Feng | Feng, Xiao-Shan | Wang, Zhou | Li, Yin | Gao, She-Gan | Liu, Hai-Lin | Yuan, Ling | Jin, Yan | Zhang, Yan-Rui | Sheyhidin, Ilyar | Li, Feng | Chen, Bao-Ping | Ren, Shu-Wei | Liu, Bin | Li, Dan | Zhang, Gao-Fu | Yue, Wen-Bin | Feng, Chang-Wei | Qige, Qirenwang | Zhao, Jian-Ting | Yang, Wen-Jun | Lei, Guang-Yan | Chen, Long-Qi | Li, En-Min | Xu, Li-Yan | Wu, Zhi-Yong | Bao, Zhi-Qin | Chen, Ji-Li | Li, Xian-Chang | Zhuang, Xiang | Zhou, Ying-Fa | Zuo, Xian-Bo | Dong, Zi-Ming | Wang, Lu-Wen | Fan, Xue-Pin | Wang, Jin | Zhou, Qi | Ma, Guo-Shun | Zhang, Qin-Xian | Liu, Hai | Jian, Xin-Ying | Lian, Sin-Yong | Wang, Jin-Sheng | Chang, Fu-Bao | Lu, Chang-Dong | Miao, Jian-Jun | Chen, Zhi-Guo | Wang, Ran | Guo, Ming | Fan, Zeng-Lin | Tao, Ping | Liu, Tai-Jing | Wei, Jin-Chang | Kong, Qing-Peng | Fan, Lei | Wang, Xian-Zeng | Gao, Fu-Sheng | Wang, Tian-Yun | Xie, Dong | Wang, Li | Chen, Shu-Qing | Yang, Wan-Cai | Hong, Jun-Yan | Wang, Liang | Qiu, Song-Liang | Goldstein, Alisa M. | Yuan, Zhi-Qing | Chanock, Stephen J. | Zhang, Xue-Jun | Taylor, Philip R. | Wang, Li-Dong
Human Molecular Genetics  2012;21(9):2132-2141.
Genome-wide association studies have identified susceptibility loci for esophageal squamous cell carcinoma (ESCC). We conducted a meta-analysis of all single-nucleotide polymorphisms (SNPs) that showed nominally significant P-values in two previously published genome-wide scans that included a total of 2961 ESCC cases and 3400 controls. The meta-analysis revealed five SNPs at 2q33 with P< 5 × 10−8, and the strongest signal was rs13016963, with a combined odds ratio (95% confidence interval) of 1.29 (1.19–1.40) and P= 7.63 × 10−10. An imputation analysis of 4304 SNPs at 2q33 suggested a single association signal, and the strongest imputed SNP associations were similar to those from the genotyped SNPs. We conducted an ancestral recombination graph analysis with 53 SNPs to identify one or more haplotypes that harbor the variants directly responsible for the detected association signal. This showed that the five SNPs exist in a single haplotype along with 45 imputed SNPs in strong linkage disequilibrium, and the strongest candidate was rs10201587, one of the genotyped SNPs. Our meta-analysis found genome-wide significant SNPs at 2q33 that map to the CASP8/ALS2CR12/TRAK2 gene region. Variants in CASP8 have been extensively studied across a spectrum of cancers with mixed results. The locus we identified appears to be distinct from the widely studied rs3834129 and rs1045485 SNPs in CASP8. Future studies of esophageal and other cancers should focus on comprehensive sequencing of this 2q33 locus and functional analysis of rs13016963 and rs10201587 and other strongly correlated variants.
doi:10.1093/hmg/dds029
PMCID: PMC3315211  PMID: 22323360
2.  Alcohol consumption in 0.5 million people from 10 diverse regions of China: prevalence, patterns and socio-demographic and health-related correlates 
Millwood, Iona Y | Li, Liming | Smith, Margaret | Guo, Yu | Yang, Ling | Bian, Zheng | Lewington, Sarah | Whitlock, Gary | Sherliker, Paul | Collins, Rory | Chen, Junshi | Peto, Richard | Wang, Hongmei | Xu, Jiujiu | He, Jian | Yu, Min | Liu, Huilin | Chen, Zhengming | Li, Liming | Chen, Zhengming | Chen, Junshi | Collins, Rory | Wu, Fan | Peto, Richard | Chen, Zhengming | Lancaster, Garry | Yang, Xiaoming | Williams, Alex | Smith, Margaret | Yang, Ling | Chang, Yumei | Millwood, Iona | Chen, Yiping | Zhang, Qiuli | Lewington, Sarah | Whitlock, Gary | Guo, Yu | Zhao, Guoqing | Bian, Zheng | Wu, Lixue | Hou, Can | Pang, Zengchang | Wang, Shaojie | Zhang, Yun | Zhang, Kui | Liu, Silu | Zhao, Zhonghou | Liu, Shumei | Pang, Zhigang | Feng, Weijia | Wu, Shuling | Yang, Liqiu | Han, Huili | He, Hui | Pan, Xianhai | Wang, Shanqing | Wang, Hongmei | Hao, Xinhua | Chen, Chunxing | Lin, Shuxiong | Hu, Xiaoshu | Zhou, Minghao | Wu, Ming | Wang, Yeyuan | Hu, Yihe | Ma, Liangcai | Zhou, Renxian | Xu, Guanqun | Dong, Baiqing | Chen, Naying | Huang, Ying | Li, Mingqiang | Meng, Jinhuai | Gan, Zhigao | Xu, Jiujiu | Liu, Yun | Wu, Xianping | Gao, Yali | Zhang, Ningmei | Luo, Guojin | Que, Xiangsan | Chen, Xiaofang | Ge, Pengfei | He, Jian | Ren, Xiaolan | Zhang, Hui | Mao, Enke | Li, Guanzhong | Li, Zhongxiao | He, Jun | Liu, Guohua | Zhu, Baoyu | Zhou, Gang | Feng, Shixian | Gao, Yulian | He, Tianyou | Jiang, Li | Qin, Jianhua | Sun, Huarong | Liu, Liqun | Yu, Min | Chen, Yaping | Hu, Zhixiang | Hu, Jianjin | Qian, Yijian | Wu, Zhiying | Chen, Lingli | Liu, Wen | Li, Guangchun | Liu, Huilin | Long, Xiangquan | Xiong, Youping | Tan, Zhongwen | Xie, Xuqiu | Peng, Yunfang
Background Drinking alcohol has a long tradition in Chinese culture. However, data on the prevalence and patterns of alcohol consumption in China, and its main correlates, are limited.
Methods During 2004–08 the China Kadoorie Biobank recruited 512 891 men and women aged 30–79 years from 10 urban and rural areas of China. Detailed information on alcohol consumption was collected using a standardized questionnaire, and related to socio-demographic, physical and behavioural characteristics in men and women separately.
Results Overall, 76% of men and 36% of women reported drinking some alcohol during the past 12 months, with 33% of men and 2% of women drinking at least weekly; the prevalence of weekly drinking in men varied from 7% to 51% across the 10 study areas. Mean consumption was 286 g/week and was higher in those with less education. Most weekly drinkers habitually drank spirits, although this varied by area, and beer consumption was highest among younger drinkers; 37% of male weekly drinkers (12% of all men) reported weekly heavy drinking episodes, with the prevalence highest in younger men. Drinking alcohol was positively correlated with regular smoking, blood pressure and heart rate. Among male weekly drinkers, each 20 g/day alcohol consumed was associated with 2 mmHg higher systolic blood pressure. Potential indicators of problem drinking were reported by 24% of male weekly drinkers.
Conclusion The prevalence and patterns of drinking in China differ greatly by age, sex and geographical region. Alcohol consumption is associated with a number of unfavourable health behaviours and characteristics.
doi:10.1093/ije/dyt078
PMCID: PMC3733702  PMID: 23918852
Alcohol; drinking; cohort study; descriptive analysis; China
3.  Guidelines for the use and interpretation of assays for monitoring autophagy 
Klionsky, Daniel J. | Abdalla, Fabio C. | Abeliovich, Hagai | Abraham, Robert T. | Acevedo-Arozena, Abraham | Adeli, Khosrow | Agholme, Lotta | Agnello, Maria | Agostinis, Patrizia | Aguirre-Ghiso, Julio A. | Ahn, Hyung Jun | Ait-Mohamed, Ouardia | Ait-Si-Ali, Slimane | Akematsu, Takahiko | Akira, Shizuo | Al-Younes, Hesham M. | Al-Zeer, Munir A. | Albert, Matthew L. | Albin, Roger L. | Alegre-Abarrategui, Javier | Aleo, Maria Francesca | Alirezaei, Mehrdad | Almasan, Alexandru | Almonte-Becerril, Maylin | Amano, Atsuo | Amaravadi, Ravi K. | Amarnath, Shoba | Amer, Amal O. | Andrieu-Abadie, Nathalie | Anantharam, Vellareddy | Ann, David K. | Anoopkumar-Dukie, Shailendra | Aoki, Hiroshi | Apostolova, Nadezda | Arancia, Giuseppe | Aris, John P. | Asanuma, Katsuhiko | Asare, Nana Y.O. | Ashida, Hisashi | Askanas, Valerie | Askew, David S. | Auberger, Patrick | Baba, Misuzu | Backues, Steven K. | Baehrecke, Eric H. | Bahr, Ben A. | Bai, Xue-Yuan | Bailly, Yannick | Baiocchi, Robert | Baldini, Giulia | Balduini, Walter | Ballabio, Andrea | Bamber, Bruce A. | Bampton, Edward T.W. | Juhász, Gábor | Bartholomew, Clinton R. | Bassham, Diane C. | Bast, Robert C. | Batoko, Henri | Bay, Boon-Huat | Beau, Isabelle | Béchet, Daniel M. | Begley, Thomas J. | Behl, Christian | Behrends, Christian | Bekri, Soumeya | Bellaire, Bryan | Bendall, Linda J. | Benetti, Luca | Berliocchi, Laura | Bernardi, Henri | Bernassola, Francesca | Besteiro, Sébastien | Bhatia-Kissova, Ingrid | Bi, Xiaoning | Biard-Piechaczyk, Martine | Blum, Janice S. | Boise, Lawrence H. | Bonaldo, Paolo | Boone, David L. | Bornhauser, Beat C. | Bortoluci, Karina R. | Bossis, Ioannis | Bost, Frédéric | Bourquin, Jean-Pierre | Boya, Patricia | Boyer-Guittaut, Michaël | Bozhkov, Peter V. | Brady, Nathan R | Brancolini, Claudio | Brech, Andreas | Brenman, Jay E. | Brennand, Ana | Bresnick, Emery H. | Brest, Patrick | Bridges, Dave | Bristol, Molly L. | Brookes, Paul S. | Brown, Eric J. | Brumell, John H. | Brunetti-Pierri, Nicola | Brunk, Ulf T. | Bulman, Dennis E. | Bultman, Scott J. | Bultynck, Geert | Burbulla, Lena F. | Bursch, Wilfried | Butchar, Jonathan P. | Buzgariu, Wanda | Bydlowski, Sergio P. | Cadwell, Ken | Cahová, Monika | Cai, Dongsheng | Cai, Jiyang | Cai, Qian | Calabretta, Bruno | Calvo-Garrido, Javier | Camougrand, Nadine | Campanella, Michelangelo | Campos-Salinas, Jenny | Candi, Eleonora | Cao, Lizhi | Caplan, Allan B. | Carding, Simon R. | Cardoso, Sandra M. | Carew, Jennifer S. | Carlin, Cathleen R. | Carmignac, Virginie | Carneiro, Leticia A.M. | Carra, Serena | Caruso, Rosario A. | Casari, Giorgio | Casas, Caty | Castino, Roberta | Cebollero, Eduardo | Cecconi, Francesco | Celli, Jean | Chaachouay, Hassan | Chae, Han-Jung | Chai, Chee-Yin | Chan, David C. | Chan, Edmond Y. | Chang, Raymond Chuen-Chung | Che, Chi-Ming | Chen, Ching-Chow | Chen, Guang-Chao | Chen, Guo-Qiang | Chen, Min | Chen, Quan | Chen, Steve S.-L. | Chen, WenLi | Chen, Xi | Chen, Xiangmei | Chen, Xiequn | Chen, Ye-Guang | Chen, Yingyu | Chen, Yongqiang | Chen, Yu-Jen | Chen, Zhixiang | Cheng, Alan | Cheng, Christopher H.K. | Cheng, Yan | Cheong, Heesun | Cheong, Jae-Ho | Cherry, Sara | Chess-Williams, Russ | Cheung, Zelda H. | Chevet, Eric | Chiang, Hui-Ling | Chiarelli, Roberto | Chiba, Tomoki | Chin, Lih-Shen | Chiou, Shih-Hwa | Chisari, Francis V. | Cho, Chi Hin | Cho, Dong-Hyung | Choi, Augustine M.K. | Choi, DooSeok | Choi, Kyeong Sook | Choi, Mary E. | Chouaib, Salem | Choubey, Divaker | Choubey, Vinay | Chu, Charleen T. | Chuang, Tsung-Hsien | Chueh, Sheau-Huei | Chun, Taehoon | Chwae, Yong-Joon | Chye, Mee-Len | Ciarcia, Roberto | Ciriolo, Maria R. | Clague, Michael J. | Clark, Robert S.B. | Clarke, Peter G.H. | Clarke, Robert | Codogno, Patrice | Coller, Hilary A. | Colombo, María I. | Comincini, Sergio | Condello, Maria | Condorelli, Fabrizio | Cookson, Mark R. | Coombs, Graham H. | Coppens, Isabelle | Corbalan, Ramon | Cossart, Pascale | Costelli, Paola | Costes, Safia | Coto-Montes, Ana | Couve, Eduardo | Coxon, Fraser P. | Cregg, James M. | Crespo, José L. | Cronjé, Marianne J. | Cuervo, Ana Maria | Cullen, Joseph J. | Czaja, Mark J. | D'Amelio, Marcello | Darfeuille-Michaud, Arlette | Davids, Lester M. | Davies, Faith E. | De Felici, Massimo | de Groot, John F. | de Haan, Cornelis A.M. | De Martino, Luisa | De Milito, Angelo | De Tata, Vincenzo | Debnath, Jayanta | Degterev, Alexei | Dehay, Benjamin | Delbridge, Lea M.D. | Demarchi, Francesca | Deng, Yi Zhen | Dengjel, Jörn | Dent, Paul | Denton, Donna | Deretic, Vojo | Desai, Shyamal D. | Devenish, Rodney J. | Di Gioacchino, Mario | Di Paolo, Gilbert | Di Pietro, Chiara | Díaz-Araya, Guillermo | Díaz-Laviada, Inés | Diaz-Meco, Maria T. | Diaz-Nido, Javier | Dikic, Ivan | Dinesh-Kumar, Savithramma P. | Ding, Wen-Xing | Distelhorst, Clark W. | Diwan, Abhinav | Djavaheri-Mergny, Mojgan | Dokudovskaya, Svetlana | Dong, Zheng | Dorsey, Frank C. | Dosenko, Victor | Dowling, James J. | Doxsey, Stephen | Dreux, Marlène | Drew, Mark E. | Duan, Qiuhong | Duchosal, Michel A. | Duff, Karen E. | Dugail, Isabelle | Durbeej, Madeleine | Duszenko, Michael | Edelstein, Charles L. | Edinger, Aimee L. | Egea, Gustavo | Eichinger, Ludwig | Eissa, N. Tony | Ekmekcioglu, Suhendan | El-Deiry, Wafik S. | Elazar, Zvulun | Elgendy, Mohamed | Ellerby, Lisa M. | Eng, Kai Er | Engelbrecht, Anna-Mart | Engelender, Simone | Erenpreisa, Jekaterina | Escalante, Ricardo | Esclatine, Audrey | Eskelinen, Eeva-Liisa | Espert, Lucile | Espina, Virginia | Fan, Huizhou | Fan, Jia | Fan, Qi-Wen | Fan, Zhen | Fang, Shengyun | Fang, Yongqi | Fanto, Manolis | Fanzani, Alessandro | Farkas, Thomas | Farre, Jean-Claude | Faure, Mathias | Fechheimer, Marcus | Feng, Carl G. | Feng, Jian | Feng, Qili | Feng, Youji | Fésüs, László | Feuer, Ralph | Figueiredo-Pereira, Maria E. | Fimia, Gian Maria | Fingar, Diane C. | Finkbeiner, Steven | Finkel, Toren | Finley, Kim D. | Fiorito, Filomena | Fisher, Edward A. | Fisher, Paul B. | Flajolet, Marc | Florez-McClure, Maria L. | Florio, Salvatore | Fon, Edward A. | Fornai, Francesco | Fortunato, Franco | Fotedar, Rati | Fowler, Daniel H. | Fox, Howard S. | Franco, Rodrigo | Frankel, Lisa B. | Fransen, Marc | Fuentes, José M. | Fueyo, Juan | Fujii, Jun | Fujisaki, Kozo | Fujita, Eriko | Fukuda, Mitsunori | Furukawa, Ruth H. | Gaestel, Matthias | Gailly, Philippe | Gajewska, Malgorzata | Galliot, Brigitte | Galy, Vincent | Ganesh, Subramaniam | Ganetzky, Barry | Ganley, Ian G. | Gao, Fen-Biao | Gao, George F. | Gao, Jinming | Garcia, Lorena | Garcia-Manero, Guillermo | Garcia-Marcos, Mikel | Garmyn, Marjan | Gartel, Andrei L. | Gatti, Evelina | Gautel, Mathias | Gawriluk, Thomas R. | Gegg, Matthew E. | Geng, Jiefei | Germain, Marc | Gestwicki, Jason E. | Gewirtz, David A. | Ghavami, Saeid | Ghosh, Pradipta | Giammarioli, Anna M. | Giatromanolaki, Alexandra N. | Gibson, Spencer B. | Gilkerson, Robert W. | Ginger, Michael L. | Ginsberg, Henry N. | Golab, Jakub | Goligorsky, Michael S. | Golstein, Pierre | Gomez-Manzano, Candelaria | Goncu, Ebru | Gongora, Céline | Gonzalez, Claudio D. | Gonzalez, Ramon | González-Estévez, Cristina | González-Polo, Rosa Ana | Gonzalez-Rey, Elena | Gorbunov, Nikolai V. | Gorski, Sharon | Goruppi, Sandro | Gottlieb, Roberta A. | Gozuacik, Devrim | Granato, Giovanna Elvira | Grant, Gary D. | Green, Kim N. | Gregorc, Ales | Gros, Frédéric | Grose, Charles | Grunt, Thomas W. | Gual, Philippe | Guan, Jun-Lin | Guan, Kun-Liang | Guichard, Sylvie M. | Gukovskaya, Anna S. | Gukovsky, Ilya | Gunst, Jan | Gustafsson, Åsa B. | Halayko, Andrew J. | Hale, Amber N. | Halonen, Sandra K. | Hamasaki, Maho | Han, Feng | Han, Ting | Hancock, Michael K. | Hansen, Malene | Harada, Hisashi | Harada, Masaru | Hardt, Stefan E. | Harper, J. 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Angus | Meijer, Alfred J. | Meisler, Miriam H. | Meléndez, Alicia | Melia, Thomas J. | Melino, Gerry | Mena, Maria A. | Menendez, Javier A. | Menna-Barreto, Rubem F. 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Ashutosh | Rathmell, Jeffrey C. | Ravikumar, Brinda | Ray, Swapan K. | Reed, Bruce H. | Reed, John C. | Reggiori, Fulvio | Régnier-Vigouroux, Anne | Reichert, Andreas S. | Reiners, John J. | Reiter, Russel J. | Ren, Jun | Revuelta, José L. | Rhodes, Christopher J. | Ritis, Konstantinos | Rizzo, Elizete | Robbins, Jeffrey | Roberge, Michel | Roca, Hernan | Roccheri, Maria C. | Rocchi, Stephane | Rodemann, H. 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Autophagy  2012;8(4):445-544.
In 2008 we published the first set of guidelines for standardizing research in autophagy. Since then, research on this topic has continued to accelerate, and many new scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Accordingly, it is important to update these guidelines for monitoring autophagy in different organisms. Various reviews have described the range of assays that have been used for this purpose. Nevertheless, there continues to be confusion regarding acceptable methods to measure autophagy, especially in multicellular eukaryotes. A key point that needs to be emphasized is that there is a difference between measurements that monitor the numbers or volume of autophagic elements (e.g., autophagosomes or autolysosomes) at any stage of the autophagic process vs. those that measure flux through the autophagy pathway (i.e., the complete process); thus, a block in macroautophagy that results in autophagosome accumulation needs to be differentiated from stimuli that result in increased autophagic activity, defined as increased autophagy induction coupled with increased delivery to, and degradation within, lysosomes (in most higher eukaryotes and some protists such as Dictyostelium) or the vacuole (in plants and fungi). In other words, it is especially important that investigators new to the field understand that the appearance of more autophagosomes does not necessarily equate with more autophagy. In fact, in many cases, autophagosomes accumulate because of a block in trafficking to lysosomes without a concomitant change in autophagosome biogenesis, whereas an increase in autolysosomes may reflect a reduction in degradative activity. Here, we present a set of guidelines for the selection and interpretation of methods for use by investigators who aim to examine macroautophagy and related processes, as well as for reviewers who need to provide realistic and reasonable critiques of papers that are focused on these processes. These guidelines are not meant to be a formulaic set of rules, because the appropriate assays depend in part on the question being asked and the system being used. In addition, we emphasize that no individual assay is guaranteed to be the most appropriate one in every situation, and we strongly recommend the use of multiple assays to monitor autophagy. In these guidelines, we consider these various methods of assessing autophagy and what information can, or cannot, be obtained from them. Finally, by discussing the merits and limits of particular autophagy assays, we hope to encourage technical innovation in the field.
doi:10.4161/auto.19496
PMCID: PMC3404883  PMID: 22966490
LC3; autolysosome; autophagosome; flux; lysosome; phagophore; stress; vacuole
4.  Comprehensive molecular characterization of gastric adenocarcinoma 
Bass, Adam J. | Thorsson, Vesteinn | Shmulevich, Ilya | Reynolds, Sheila M. | Miller, Michael | Bernard, Brady | Hinoue, Toshinori | Laird, Peter W. | Curtis, Christina | Shen, Hui | Weisenberger, Daniel J. | Schultz, Nikolaus | Shen, Ronglai | Weinhold, Nils | Kelsen, David P. | Bowlby, Reanne | Chu, Andy | Kasaian, Katayoon | Mungall, Andrew J. | Robertson, A. Gordon | Sipahimalani, Payal | Cherniack, Andrew | Getz, Gad | Liu, Yingchun | Noble, Michael S. | Pedamallu, Chandra | Sougnez, Carrie | Taylor-Weiner, Amaro | Akbani, Rehan | Lee, Ju-Seog | Liu, Wenbin | Mills, Gordon B. | Yang, Da | Zhang, Wei | Pantazi, Angeliki | Parfenov, Michael | Gulley, Margaret | Piazuelo, M. Blanca | Schneider, Barbara G. | Kim, Jihun | Boussioutas, Alex | Sheth, Margi | Demchok, John A. | Rabkin, Charles S. | Willis, Joseph E. | Ng, Sam | Garman, Katherine | Beer, David G. | Pennathur, Arjun | Raphael, Benjamin J. | Wu, Hsin-Ta | Odze, Robert | Kim, Hark K. | Bowen, Jay | Leraas, Kristen M. | Lichtenberg, Tara M. | Weaver, Stephanie | McLellan, Michael | Wiznerowicz, Maciej | Sakai, Ryo | Getz, Gad | Sougnez, Carrie | Lawrence, Michael S. | Cibulskis, Kristian | Lichtenstein, Lee | Fisher, Sheila | Gabriel, Stacey B. | Lander, Eric S. | Ding, Li | Niu, Beifang | Ally, Adrian | Balasundaram, Miruna | Birol, Inanc | Bowlby, Reanne | Brooks, Denise | Butterfield, Yaron S. N. | Carlsen, Rebecca | Chu, Andy | Chu, Justin | Chuah, Eric | Chun, Hye-Jung E. | Clarke, Amanda | Dhalla, Noreen | Guin, Ranabir | Holt, Robert A. | Jones, Steven J.M. | Kasaian, Katayoon | Lee, Darlene | Li, Haiyan A. | Lim, Emilia | Ma, Yussanne | Marra, Marco A. | Mayo, Michael | Moore, Richard A. | Mungall, Andrew J. | Mungall, Karen L. | Nip, Ka Ming | Robertson, A. Gordon | Schein, Jacqueline E. | Sipahimalani, Payal | Tam, Angela | Thiessen, Nina | Beroukhim, Rameen | Carter, Scott L. | Cherniack, Andrew D. | Cho, Juok | Cibulskis, Kristian | DiCara, Daniel | Frazer, Scott | Fisher, Sheila | Gabriel, Stacey B. | Gehlenborg, Nils | Heiman, David I. | Jung, Joonil | Kim, Jaegil | Lander, Eric S. | Lawrence, Michael S. | Lichtenstein, Lee | Lin, Pei | Meyerson, Matthew | Ojesina, Akinyemi I. | Pedamallu, Chandra Sekhar | Saksena, Gordon | Schumacher, Steven E. | Sougnez, Carrie | Stojanov, Petar | Tabak, Barbara | Taylor-Weiner, Amaro | Voet, Doug | Rosenberg, Mara | Zack, Travis I. | Zhang, Hailei | Zou, Lihua | Protopopov, Alexei | Santoso, Netty | Parfenov, Michael | Lee, Semin | Zhang, Jianhua | Mahadeshwar, Harshad S. | Tang, Jiabin | Ren, Xiaojia | Seth, Sahil | Yang, Lixing | Xu, Andrew W. | Song, Xingzhi | Pantazi, Angeliki | Xi, Ruibin | Bristow, Christopher A. | Hadjipanayis, Angela | Seidman, Jonathan | Chin, Lynda | Park, Peter J. | Kucherlapati, Raju | Akbani, Rehan | Ling, Shiyun | Liu, Wenbin | Rao, Arvind | Weinstein, John N. | Kim, Sang-Bae | Lee, Ju-Seog | Lu, Yiling | Mills, Gordon | Laird, Peter W. | Hinoue, Toshinori | Weisenberger, Daniel J. | Bootwalla, Moiz S. | Lai, Phillip H. | Shen, Hui | Triche, Timothy | Van Den Berg, David J. | Baylin, Stephen B. | Herman, James G. | Getz, Gad | Chin, Lynda | Liu, Yingchun | Murray, Bradley A. | Noble, Michael S. | Askoy, B. Arman | Ciriello, Giovanni | Dresdner, Gideon | Gao, Jianjiong | Gross, Benjamin | Jacobsen, Anders | Lee, William | Ramirez, Ricardo | Sander, Chris | Schultz, Nikolaus | Senbabaoglu, Yasin | Sinha, Rileen | Sumer, S. Onur | Sun, Yichao | Weinhold, Nils | Thorsson, Vésteinn | Bernard, Brady | Iype, Lisa | Kramer, Roger W. | Kreisberg, Richard | Miller, Michael | Reynolds, Sheila M. | Rovira, Hector | Tasman, Natalie | Shmulevich, Ilya | Ng, Santa Cruz Sam | Haussler, David | Stuart, Josh M. | Akbani, Rehan | Ling, Shiyun | Liu, Wenbin | Rao, Arvind | Weinstein, John N. | Verhaak, Roeland G.W. | Mills, Gordon B. | Leiserson, Mark D. M. | Raphael, Benjamin J. | Wu, Hsin-Ta | Taylor, Barry S. | Black, Aaron D. | Bowen, Jay | Carney, Julie Ann | Gastier-Foster, Julie M. | Helsel, Carmen | Leraas, Kristen M. | Lichtenberg, Tara M. | McAllister, Cynthia | Ramirez, Nilsa C. | Tabler, Teresa R. | Wise, Lisa | Zmuda, Erik | Penny, Robert | Crain, Daniel | Gardner, Johanna | Lau, Kevin | Curely, Erin | Mallery, David | Morris, Scott | Paulauskis, Joseph | Shelton, Troy | Shelton, Candace | Sherman, Mark | Benz, Christopher | Lee, Jae-Hyuk | Fedosenko, Konstantin | Manikhas, Georgy | Potapova, Olga | Voronina, Olga | Belyaev, Smitry | Dolzhansky, Oleg | Rathmell, W. Kimryn | Brzezinski, Jakub | Ibbs, Matthew | Korski, Konstanty | Kycler, Witold | ŁaŸniak, Radoslaw | Leporowska, Ewa | Mackiewicz, Andrzej | Murawa, Dawid | Murawa, Pawel | Spychała, Arkadiusz | Suchorska, Wiktoria M. | Tatka, Honorata | Teresiak, Marek | Wiznerowicz, Maciej | Abdel-Misih, Raafat | Bennett, Joseph | Brown, Jennifer | Iacocca, Mary | Rabeno, Brenda | Kwon, Sun-Young | Penny, Robert | Gardner, Johanna | Kemkes, Ariane | Mallery, David | Morris, Scott | Shelton, Troy | Shelton, Candace | Curley, Erin | Alexopoulou, Iakovina | Engel, Jay | Bartlett, John | Albert, Monique | Park, Do-Youn | Dhir, Rajiv | Luketich, James | Landreneau, Rodney | Janjigian, Yelena Y. | Kelsen, David P. | Cho, Eunjung | Ladanyi, Marc | Tang, Laura | McCall, Shannon J. | Park, Young S. | Cheong, Jae-Ho | Ajani, Jaffer | Camargo, M. Constanza | Alonso, Shelley | Ayala, Brenda | Jensen, Mark A. | Pihl, Todd | Raman, Rohini | Walton, Jessica | Wan, Yunhu | Demchok, John A. | Eley, Greg | Mills Shaw, Kenna R. | Sheth, Margi | Tarnuzzer, Roy | Wang, Zhining | Yang, Liming | Zenklusen, Jean Claude | Davidsen, Tanja | Hutter, Carolyn M. | Sofia, Heidi J. | Burton, Robert | Chudamani, Sudha | Liu, Jia
Nature  2014;513(7517):202-209.
Gastric cancer is a leading cause of cancer deaths, but analysis of its molecular and clinical characteristics has been complicated by histological and aetiological heterogeneity. Here we describe a comprehensive molecular evaluation of 295 primary gastric adenocarcinomas as part of The Cancer Genome Atlas (TCGA) project. We propose a molecular classification dividing gastric cancer into four subtypes: tumours positive for Epstein–Barr virus, which display recurrent PIK3CA mutations, extreme DNA hypermethylation, and amplification of JAK2, CD274 (also known as PD-L1) and PDCD1LG2 (also knownasPD-L2); microsatellite unstable tumours, which show elevated mutation rates, including mutations of genes encoding targetable oncogenic signalling proteins; genomically stable tumours, which are enriched for the diffuse histological variant and mutations of RHOA or fusions involving RHO-family GTPase-activating proteins; and tumours with chromosomal instability, which show marked aneuploidy and focal amplification of receptor tyrosine kinases. Identification of these subtypes provides a roadmap for patient stratification and trials of targeted therapies.
doi:10.1038/nature13480
PMCID: PMC4170219  PMID: 25079317
5.  Smoking and Major Depressive Disorder in Chinese Women 
PLoS ONE  2014;9(9):e106287.
Objective
To investigate the risk factors that contribute to smoking in female patients with major depressive disorder (MDD) and the clinical features in depressed smokers.
Methods
We examined the smoking status and clinical features in 6120 Han Chinese women with MDD (DSM-IV) between 30 and 60 years of age across China. Logistic regression was used to determine the association between clinical features of MDD and smoking status and between risk factors for MDD and smoking status.
Results
Among the recurrent MDD patients there were 216(3.6%) current smokers, 117 (2.0%) former smokers and 333(5.6%) lifetime smokers. Lifetime smokers had a slightly more severe illness, characterized by more episodes, longer duration, more comorbid illness (panic and phobias), with more DSM-IV A criteria and reported more symptoms of fatigue and suicidal ideation or attempts than never smokers. Some known risk factors for MDD were also differentially represented among smokers compared to non-smokers. Smokers reported more stressful life events, were more likely to report childhood sexual abuse, had higher levels of neuroticism and an increased rate of familial MDD. Only neuroticism was significantly related to nicotine dependence.
Conclusions
Although depressed women smokers experience more severe illness, smoking rates remain low in MDD patients. Family history of MDD and environmental factors contribute to lifetime smoking in Chinese women, consistent with the hypothesis that the association of smoking and depression may be caused by common underlying factors.
doi:10.1371/journal.pone.0106287
PMCID: PMC4152240  PMID: 25180682
6.  Genetic variants in STAT4 and HLA-DQ genes confer risk of hepatitis B virus–related hepatocellular carcinoma 
Nature genetics  2012;45(1):72-75.
To identify genetic susceptibility loci for hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC) in the Chinese population, we carried out a genome-wide association study (GWAS) in 2,514 chronic HBV carriers (1,161 HCC cases and 1,353 controls) followed by a 2-stage validation among 6 independent populations of chronic HBV carriers (4,319 cases and 4,966 controls). The joint analyses showed that HCC risk was significantly associated with two independent loci: rs7574865 at STAT4, Pmeta = 2.48 × 10−10, odds ratio (OR) = 1.21; and rs9275319 at HLA-DQ, Pmeta = 2.72 × 10−17, OR = 1.49. The risk allele G at rs7574865 was significantly associated with lower mRNA levels of STAT4 in both the HCC tissues and nontumor tissues of 155 individuals with HBV-related HCC (Ptrend = 0.0008 and 0.0002, respectively). We also found significantly lower mRNA expression of STAT4 in HCC tumor tissues compared with paired adjacent nontumor tissues (P = 2.33 × 10−14).
doi:10.1038/ng.2483
PMCID: PMC4105840  PMID: 23242368
7.  Genome-wide association study in Han Chinese identifies four new susceptibility loci for coronary artery disease 
Nature genetics  2012;44(8):890-894.
We performed a meta-analysis of 2 genome-wide association studies of coronary artery disease comprising 1,515 cases with coronary artery disease and 5,019 controls, followed by de novo replication studies in 15,460 cases and 11,472 controls, all of Chinese Han descent. We successfully identified four new loci for coronary artery disease reaching genome-wide significance (P < 5 × 10−8), which mapped in or near TTC32-WDR35, GUCY1A3, C6orf10-BTNL2 and ATP2B1. We also replicated four loci previously identified in European populations (PHACTR1, TCF21, CDKN2A/B and C12orf51). These findings provide new insights into biological pathways for the susceptibility of coronary artery disease in Chinese Han population.
doi:10.1038/ng.2337
PMCID: PMC3927410  PMID: 22751097
8.  Associations of Educational Attainment, Occupation, Social Class and Major Depressive Disorder among Han Chinese Women 
PLoS ONE  2014;9(1):e86674.
Background
The prevalence of major depressive disorder (MDD) is higher in those with low levels of educational attainment, the unemployed and those with low social status. However the extent to which these factors cause MDD is unclear. Most of the available data comes from studies in developed countries, and these findings may not extrapolate to developing countries. Examining the relationship between MDD and socio economic status in China is likely to add to the debate because of the radical economic and social changes occurring in China over the last 30 years.
Principal findings
We report results from 3,639 Chinese women with recurrent MDD and 3,800 controls. Highly significant odds ratios (ORs) were observed between MDD and full time employment (OR = 0.36, 95% CI = 0.25–0.46, logP = 78), social status (OR = 0.83, 95% CI = 0.77–0.87, logP = 13.3) and education attainment (OR = 0.90, 95% CI = 0.86–0.90, logP = 6.8). We found a monotonic relationship between increasing age and increasing levels of educational attainment. Those with only primary school education have significantly more episodes of MDD (mean 6.5, P-value = 0.009) and have a clinically more severe disorder, while those with higher educational attainment are likely to manifest more comorbid anxiety disorders.
Conclusions
In China lower socioeconomic position is associated with increased rates of MDD, as it is elsewhere in the world. Significantly more episodes of MDD occur among those with lower educational attainment (rather than longer episodes of disease), consistent with the hypothesis that the lower socioeconomic position increases the likelihood of developing MDD. The phenomenology of MDD varies according to the degree of educational attainment: higher educational attainment not only appears to protect against MDD but alters its presentation, to a more anxious phenotype.
doi:10.1371/journal.pone.0086674
PMCID: PMC3909008  PMID: 24497966
9.  Childhood Sexual Abuse and the Development of Recurrent Major Depression in Chinese Women 
PLoS ONE  2014;9(1):e87569.
Background
Our prior study in Han Chinese women has shown that women with a history of childhood sexual abuse (CSA) are at increased risk for developing major depression (MD). Would this relationship be found in our whole data set?
Method
Three levels of CSA (non-genital, genital, and intercourse) were assessed by self-report in two groups of Han Chinese women: 6017 clinically ascertained with recurrent MD and 5983 matched controls. Diagnostic and other risk factor information was assessed at personal interview. Odds ratios (ORs) were calculated by logistic regression.
Results
We confirmed earlier results by replicating prior analyses in 3,950 new recurrent MD cases. There were no significant differences between the two data sets. Any form of CSA was significantly associated with recurrent MD (OR 4.06, 95% confidence interval (CI) [3.19–5.24]). This association strengthened with increasing CSA severity: non-genital (OR 2.21, 95% CI 1.58–3.15), genital (OR 5.24, 95% CI 3.52–8.15) and intercourse (OR 10.65, 95% CI 5.56–23.71). Among the depressed women, those with CSA had an earlier age of onset, longer depressive episodes. Recurrent MD patients those with CSA had an increased risk for dysthymia (OR 1.60, 95%CI 1.11–2.27) and phobia (OR 1.41, 95%CI 1.09–1.80). Any form of CSA was significantly associated with suicidal ideation or attempt (OR 1.50, 95% CI 1.20–1.89) and feelings of worthlessness or guilt (OR 1.41, 95% CI 1.02–2.02). Intercourse (OR 3.47, 95%CI 1.66–8.22), use of force and threats (OR 1.95, 95%CI 1.05–3.82) and how strongly the victims were affected at the time (OR 1.39, 95%CI 1.20–1.64) were significantly associated with recurrent MD.
Conclusions
In Chinese women CSA is strongly associated with recurrent MD and this association increases with greater severity of CSA. Depressed women with CSA have some specific clinical traits. Some features of CSA were associated with greater likelihood of developing recurrent MD.
doi:10.1371/journal.pone.0087569
PMCID: PMC3906190  PMID: 24489940
10.  Clinical Features of Patients with Dysthymia in a Large Cohort of Han Chinese Women with Recurrent Major Depression 
PLoS ONE  2013;8(12):e83490.
Background
Dysthymia is a form of chronic mild depression that has a complex relationship with major depressive disorder (MDD). Here we investigate the role of environmental risk factors, including stressful life events and parenting style, in patients with both MDD and dysthymia. We ask whether these risk factors act in the same way in MDD with and without dysthymia.
Results
We examined the clinical features in 5,950 Han Chinese women with MDD between 30–60 years of age across China. We confirmed earlier results by replicating prior analyses in 3,950 new MDD cases. There were no significant differences between the two data sets. We identified sixteen stressful life events that significantly increase the risk of dysthymia, given the presence of MDD. Low parental warmth, from either mother or father, increases the risk of dysthymia. Highly threatening but short-lived threats (such as rape) are more specific for MDD than dysthymia. While for MDD more severe life events show the largest odds ratio versus controls, this was not seen for cases of MDD with or without dysthymia.
Conclusions
There are increased rates of stressful life events in MDD with dysthymia, but the impact of life events on susceptibility to dysthymia with MDD differs from that seen for MDD alone. The pattern does not fit a simple dose-response relationship, suggesting that there are moderating factors involved in the relationship between environmental precipitants and the onset of dysthymia. It is possible that severe life events in childhood events index a general susceptibility to chronic depression, rather than acting specifically as risk factors for dysthymia.
doi:10.1371/journal.pone.0083490
PMCID: PMC3873934  PMID: 24386213
11.  Suicidal Risk Factors of Recurrent Major Depression in Han Chinese Women 
PLoS ONE  2013;8(11):e80030.
The relationship between suicidality and major depression is complex. Socio- demography, clinical features, comorbidity, clinical symptoms, and stressful life events are important factors influencing suicide in major depression, but these are not well defined. Thus, the aim of the present study was to assess the associations between the above-mentioned factors and suicide ideation, suicide plan, and suicide attempt in 6008 Han Chinese women with recurrent major depression (MD). Patients with any suicidality had significantly more MD symptoms, a significantly greater number of stressful life events, a positive family history of MD, a greater number of episodes, a significant experience of melancholia, and earlier age of onset. Comorbidity with dysthymia, generalized anxiety disorder (GAD), social phobia, and animal phobia was seen in suicidal patients. The present findings indicate that specific factors act to increase the likelihood of suicide in MD. Our results may help improve the clinical assessment of suicide risk in depressed patients, especially for women.
doi:10.1371/journal.pone.0080030
PMCID: PMC3842272  PMID: 24312196
12.  Childhood sexual abuse and the risk for recurrent major depression in Chinese women 
Psychological Medicine  2011;42(2):409-417.
Background
Studies in Western countries have repeatedly shown that women with a history of childhood sexual abuse (CSA) are at increased risk for developing major depression (MD). Would this relationship be found in China?
Method
Three levels of CSA (non-genital, genital, and intercourse) were assessed by self-report in two groups of Han Chinese women: 1970 clinically ascertained with recurrent MD and 2597 matched controls. Diagnostic and other risk factor information was assessed at personal interview. Odds ratios (ORs) were calculated by logistic regression and regression coefficients by linear or Poisson regression.
Results
Any form of CSA was significantly associated with recurrent MD [OR 3.26, 95% confidence interval (CI) 1.95–5.45]. This association strengthened with increasing CSA severity: non-genital (OR 2.47, 95% CI 1.17–5.23), genital (OR 2.77, 95% CI 1.32–5.83) and intercourse (OR 13.35, 95% CI 1.83–97.42). The association between any form of CSA and MD remained significant after accounting for parental history of depression, childhood emotional neglect (CEN), childhood physical abuse (CPA) and parent–child relationship. Among the depressed women, those with CSA had an earlier age of onset, longer depressive episodes and an increased risk for generalized anxiety disorder (GAD; OR 1.92, 95% CI 1.39–2.66) and dysthymia (OR 2.16, 95% CI 1.52–3.09).
Conclusions
In Chinese women CSA is strongly associated with MD and this association increases with greater severity of CSA. Depressed women with CSA have an earlier age of onset, longer depressive episodes and increased co-morbidity with GAD and dysthymia. Although reporting biases cannot be ruled out, our results are consistent with the hypothesis that, as in Western countries, CSA substantially increases the risk for MD in China.
doi:10.1017/S0033291711001462
PMCID: PMC3250087  PMID: 21835095
Childhood sexual abuse; co-morbidity; major depression
13.  The structure of the symptoms of major depression: exploratory and confirmatory factor analysis in depressed Han Chinese women 
Psychological Medicine  2013;44(7):1391-1401.
Background
The symptoms of major depression (MD) are clinically diverse. Do they form coherent factors that might clarify the underlying nature of this important psychiatric syndrome?
Method
Symptoms at lifetime worst depressive episode were assessed at structured psychiatric interview in 6008 women of Han Chinese descent, age ⩾30 years with recurrent DSM-IV MD. Exploratory factor analysis (EFA) and confirmatoryfactor analysis (CFA) were performed in Mplus in random split-half samples.
Results
The preliminary EFA results were consistently supported by the findings from CFA. Analyses of the nine DSM-IV MD symptomatic A criteria revealed two factors loading on: (i) general depressive symptoms; and (ii) guilt/suicidal ideation. Examining 14 disaggregated DSM-IV criteria revealed three factors reflecting: (i) weight/appetite disturbance; (ii) general depressive symptoms; and (iii) sleep disturbance. Using all symptoms (n = 27), we identified five factors that reflected: (i) weight/appetite symptoms; (ii) general retarded depressive symptoms; (iii) atypical vegetative symptoms; (iv) suicidality/hopelessness; and (v) symptoms of agitation and anxiety.
Conclusions
MD is a clinically complex syndrome with several underlying correlated symptom dimensions. In addition to a general depressive symptom factor, a complete picture must include factors reflecting typical/atypical vegetative symptoms, cognitive symptoms (hopelessness/suicidal ideation), and an agitated symptom factor characterized by anxiety, guilt, helplessness and irritability. Prior cross-cultural studies, factor analyses of MD in Western populations and empirical findings in this sample showing risk factor profiles similar to those seen in Western populations suggest that our results are likely to be broadly representative of the human depressive syndrome.
doi:10.1017/S003329171300192X
PMCID: PMC3967839  PMID: 23920138
Atypical symptoms; China; cognitive symptoms; depression; factor analysis
14.  The Brassica oleracea genome reveals the asymmetrical evolution of polyploid genomes 
Nature Communications  2014;5:3930.
Polyploidization has provided much genetic variation for plant adaptive evolution, but the mechanisms by which the molecular evolution of polyploid genomes establishes genetic architecture underlying species differentiation are unclear. Brassica is an ideal model to increase knowledge of polyploid evolution. Here we describe a draft genome sequence of Brassica oleracea, comparing it with that of its sister species B. rapa to reveal numerous chromosome rearrangements and asymmetrical gene loss in duplicated genomic blocks, asymmetrical amplification of transposable elements, differential gene co-retention for specific pathways and variation in gene expression, including alternative splicing, among a large number of paralogous and orthologous genes. Genes related to the production of anticancer phytochemicals and morphological variations illustrate consequences of genome duplication and gene divergence, imparting biochemical and morphological variation to B. oleracea. This study provides insights into Brassica genome evolution and will underpin research into the many important crops in this genus.
Brassica oleracea is plant species comprising economically important vegetable crops. Here, the authors report the draft genome sequence of B. oleracea and, through a comparative analysis with the closely related B. rapa, reveal insights into Brassica evolution and divergence of interspecific genomes and intraspecific subgenomes.
doi:10.1038/ncomms4930
PMCID: PMC4279128  PMID: 24852848
15.  TBX6 Null Variants and a Common Hypomorphic Allele in Congenital Scoliosis 
The New England journal of medicine  2015;372(4):341-350.
BACKGROUND
Congenital scoliosis is a common type of vertebral malformation. Genetic susceptibility has been implicated in congenital scoliosis.
METHODS
We evaluated 161 Han Chinese persons with sporadic congenital scoliosis, 166 Han Chinese controls, and 2 pedigrees, family members of which had a 16p11.2 deletion, using comparative genomic hybridization, quantitative polymerase-chain-reaction analysis, and DNA sequencing. We carried out tests of replication using an additional series of 76 Han Chinese persons with congenital scoliosis and a multi-center series of 42 persons with 16p11.2 deletions.
RESULTS
We identified a total of 17 heterozygous TBX6 null mutations in the 161 persons with sporadic congenital scoliosis (11%); we did not observe any null mutations in TBX6 in 166 controls (P<3.8×10−6). These null alleles include copy-number variants (12 instances of a 16p11.2 deletion affecting TBX6) and single-nucleotide variants (1 nonsense and 4 frame-shift mutations). However, the discordant intrafamilial phenotypes of 16p11.2 deletion carriers suggest that heterozygous TBX6 null mutation is insufficient to cause congenital scoliosis. We went on to identify a common TBX6 haplotype as the second risk allele in all 17 carriers of TBX6 null mutations (P<1.1×10−6). Replication studies involving additional persons with congenital scoliosis who carried a deletion affecting TBX6 confirmed this compound inheritance model. In vitro functional assays suggested that the risk haplotype is a hypomorphic allele. Hemivertebrae are characteristic of TBX6-associated congenital scoliosis.
CONCLUSIONS
Compound inheritance of a rare null mutation and a hypomorphic allele of TBX6 accounted for up to 11% of congenital scoliosis cases in the series that we analyzed.
doi:10.1056/NEJMoa1406829
PMCID: PMC4326244  PMID: 25564734
16.  Cassava genome from a wild ancestor to cultivated varieties 
Nature Communications  2014;5:5110.
Cassava is a major tropical food crop in the Euphorbiaceae family that has high carbohydrate production potential and adaptability to diverse environments. Here we present the draft genome sequences of a wild ancestor and a domesticated variety of cassava and comparative analyses with a partial inbred line. We identify 1,584 and 1,678 gene models specific to the wild and domesticated varieties, respectively, and discover high heterozygosity and millions of single-nucleotide variations. Our analyses reveal that genes involved in photosynthesis, starch accumulation and abiotic stresses have been positively selected, whereas those involved in cell wall biosynthesis and secondary metabolism, including cyanogenic glucoside formation, have been negatively selected in the cultivated varieties, reflecting the result of natural selection and domestication. Differences in microRNA genes and retrotransposon regulation could partly explain an increased carbon flux towards starch accumulation and reduced cyanogenic glucoside accumulation in domesticated cassava. These results may contribute to genetic improvement of cassava through better understanding of its biology.
Cassava is a major source of food in tropical and subtropical regions. Here the authors sequence the genomes of wild and domesticated cassava varieties and identify genes that have been selected for and against during the evolution and domestication of this economically important crop.
doi:10.1038/ncomms6110
PMCID: PMC4214410  PMID: 25300236
17.  The Protective Effect of MicroRNA-320 on Left Ventricular Remodeling after Myocardial Ischemia-Reperfusion Injury in the Rat Model 
The primary objective of this study investigated the role of microRNA-320 (miR-320) on left ventricular remodeling in the rat model of myocardial ischemia-reperfusion (I/R) injury, and we intended to explore the myocardial mechanism of miR-320-mediated myocardium protection. We collected 120 male Wistar rats (240–280 g) in this study and then randomly divided them into three groups: (1) sham surgery group (sham group: n = 40); (2) ischemia-reperfusion model group (I/R group: n = 40); and (3) I/R model with antagomir-320 group (I/R + antagomir-320 group: n = 40). Value changes of heart function in transesophageal echocardiography were recorded at various time points (day 1, day 3, day 7, day 15 and day 30) after surgery in each group. Myocardial sections were stained with hematoxylin and eosin (H&E) and examined with optical microscope. The degree of myocardial fibrosis was assessed by Sirius Red staining. Terminal dUTP nick end-labeling (TUNEL) and qRT-PCR methods were used to measure the apoptosis rate and to determine the miR-320 expression levels in myocardial tissues. Transesophageal echocardiography showed that the values of left ventricular ejection fraction (LVEF), left ventricular fractional shortening (LVFS), left ventricular systolic pressure (LVSP) and ±dp/dtmax in the I/R group were obviously lower than those in the sham group, while the left ventricular end-diastolic pressure (LVEDP) value was higher than that in the sham group. The values of LVEF, LVFS, LVSP and ±dp/dtmax showed a gradual decrease in the I/R group, while the LVEDP value showed an up tendency along with the extension of reperfusion time. The H&E staining revealed that rat myocardial tissue in the I/R group presented extensive myocardial damage; for the I/R + antagomir-320 group, however, the degree of damage in myocardial cells was obviously better than that of the I/R group. The Sirius Red staining results showed that the degree of myocardial fibrosis in the I/R group was more severe along with the extension of the time of reperfusion. For the I/R + antagomir-320 group, the degree of myocardial fibrosis was less severe than that in the I/R group. Tissues samples in both the sham and I/R + antagomir-320 groups showed a lower apoptosis rate compared to I/R group. The qRT-PCR results indicated that miR-320 expression in the I/R group was significantly higher than that in both the sham and I/R + antagomir-320 groups. The expression level of miR-320 is significantly up-regulated in the rat model of myocardial I/R injury, and it may be implicated in the prevention of myocardial I/R injury-triggered left ventricular remodeling.
doi:10.3390/ijms151017442
PMCID: PMC4227171  PMID: 25268616
microRNA-320; myocardial ischemia-reperfusion injury; left ventricular remodeling
18.  Elevated levels of plasma D-dimer predict a worse outcome in patients with nasopharyngeal carcinoma 
BMC Cancer  2014;14(1):583.
Background
Hemostatic alterations occur during the development of cancer. Plasma D-dimer is a hypercoagulability and fibrinolytic system marker that is increased in patients with various solid tumours. The aim of this study was to evaluate the hemostatic status of nasopharyngeal carcinoma (NPC) patients by assessing plasma D-dimer levels to investigate its value as a prognostic marker.
Methods
We retrospectively analysed 717 patients with nasopharyngeal carcinoma, and we applied Cox regression and log-rank tests to assess the association of D-dimer levels with disease-free survival (DFS), distant metastasis-free survival (DMFS), and overall survival (OS). D-dimer levels were measured using a quantitative D-dimer latex agglutination assay.
Results
Using the 3rd quartile values (0.8 μg/L) as the optimal cut-offs, we found that patients with high D-dimer levels have a shorter 3-year DFS, (79%, 95%CI (73.1–84.9)) vs. (69%, 95%CI (59.2–78.8)), DMFS (87%, 95%CI (83.1–90.9)) vs. (77%, 95%CI (69.2–84.8)), and overall survival (82%, 95%CI (76.1–87.9)) vs. (76%, 95%CI (66.2–85.8)). Multivariate analysis revealed that pre-treatment D-dimer levels and EBV DNA were significant independent factors for DFS, DMFS, and OS in NPC patients. Subgroup analyses indicated that the plasma D-dimer levels could effectively stratify patient prognosis for early cancer, advanced stage cancer, and patients with EBV DNA ≥4000 copies/ml.
Conclusions
High D-dimer levels were associated with poor disease-free survival, distant metastasis-free survival, overall survival, and increased risk of mortality in NPC patients. Prospective trials are required to assess the prognostic value of D-dimer levels.
Electronic supplementary material
The online version of this article (doi:10.1186/1471-2407-14-583) contains supplementary material, which is available to authorized users.
doi:10.1186/1471-2407-14-583
PMCID: PMC4242497  PMID: 25109220
Nasopharyngeal carcinoma; D-dimer; Survival
19.  Metabolic flux responses to genetic modification for shikimic acid production by Bacillus subtilis strains 
Background
Shikimic acid (SA) is a key chiral starting molecule for the synthesis of the neuramidase inhibitor GS4104 against viral influenza. Microbial production of SA has been extensively investigated in Escherichia coli, and to a less extent in Bacillus subtilis. However, metabolic flux of the high SA-producing strains has not been explored. In this study, we constructed with genetic manipulation and further determined metabolic flux with 13C-labeling test of high SA-producing B. subtilis strains.
Results
B. subtilis 1A474 had a mutation in SA kinase gene (aroI) and accumulated 1.5 g/L of SA. Overexpression of plasmid-encoded aroA, aroB, aroC or aroD in B. subtilis revealed that aroD had the most significantly positive effects on SA production. Simultaneous overexpression of genes for 3-deoxy-D-arabinoheptulosonate-7-phosphate synthase (aroA) and SA dehydrogenase (aroD) in B. subtilis BSSA/pSAAroA/pDGSAAroD resulted in SA production of 3.2 g/L. 13C-Metabolic flux assay (MFA) on the two strains BSSA/pHCMC04/pDG148-stu and BSSA/pSAAroA/pDGSAAroD indicated the carbon flux from glucose to SA increased to 4.6% in BSSA/pSAAroA/pDGSAAroD from 1.9% in strain BSSA/pHCMC04/pDG148-stu. The carbon flux through tricarboxylic acid cycle significantly reduced, while responses of the pentose phosphate pathway and the glycolysis to high SA production were rather weak, in the strain BSSA/pSAAroA/pDGSAAroD. Based on the results from MFA, two potential targets for further optimization of SA production were identified. Experiments on genetic deletion of phosphoenoylpyruvate kinase gene confirmed its positive influence on SA production, while the overexpression of the transketolase gene did not lead to increase in SA production.
Conclusion
Of the genes involved in shikimate pathway in B. subtilis, aroD exerted most significant influence on SA accumulation. Overexpression of plasmid-encoded aroA and aroD doubled SA production than its parent strain. MFA revealed metabolic flux redistribution among phosphate pentose pathway, glycolysis, TCA cycle in the low and high SA-producing B. subtilis strains. The high SA producing strain BSSA/pSAAroA/pDGSAAroD had increased carbon flux into shikimate pathway and reduced flux into TCA cycle.
doi:10.1186/1475-2859-13-40
PMCID: PMC4003833  PMID: 24628944
Shikimic acid production; Shikimate pathway; Bacillus subtilis; Metabolic flux assay (MFA); aroA; aroD; tkt; pyk
20.  The sequence and de novo assembly of the giant panda genome 
Li, Ruiqiang | Fan, Wei | Tian, Geng | Zhu, Hongmei | He, Lin | Cai, Jing | Huang, Quanfei | Cai, Qingle | Li, Bo | Bai, Yinqi | Zhang, Zhihe | Zhang, Yaping | Wang, Wen | Li, Jun | Wei, Fuwen | Li, Heng | Jian, Min | Li, Jianwen | Zhang, Zhaolei | Nielsen, Rasmus | Li, Dawei | Gu, Wanjun | Yang, Zhentao | Xuan, Zhaoling | Ryder, Oliver A. | Leung, Frederick Chi-Ching | Zhou, Yan | Cao, Jianjun | Sun, Xiao | Fu, Yonggui | Fang, Xiaodong | Guo, Xiaosen | Wang, Bo | Hou, Rong | Shen, Fujun | Mu, Bo | Ni, Peixiang | Lin, Runmao | Qian, Wubin | Wang, Guodong | Yu, Chang | Nie, Wenhui | Wang, Jinhuan | Wu, Zhigang | Liang, Huiqing | Min, Jiumeng | Wu, Qi | Cheng, Shifeng | Ruan, Jue | Wang, Mingwei | Shi, Zhongbin | Wen, Ming | Liu, Binghang | Ren, Xiaoli | Zheng, Huisong | Dong, Dong | Cook, Kathleen | Shan, Gao | Zhang, Hao | Kosiol, Carolin | Xie, Xueying | Lu, Zuhong | Zheng, Hancheng | Li, Yingrui | Steiner, Cynthia C. | Lam, Tommy Tsan-Yuk | Lin, Siyuan | Zhang, Qinghui | Li, Guoqing | Tian, Jing | Gong, Timing | Liu, Hongde | Zhang, Dejin | Fang, Lin | Ye, Chen | Zhang, Juanbin | Hu, Wenbo | Xu, Anlong | Ren, Yuanyuan | Zhang, Guojie | Bruford, Michael W. | Li, Qibin | Ma, Lijia | Guo, Yiran | An, Na | Hu, Yujie | Zheng, Yang | Shi, Yongyong | Li, Zhiqiang | Liu, Qing | Chen, Yanling | Zhao, Jing | Qu, Ning | Zhao, Shancen | Tian, Feng | Wang, Xiaoling | Wang, Haiyin | Xu, Lizhi | Liu, Xiao | Vinar, Tomas | Wang, Yajun | Lam, Tak-Wah | Yiu, Siu-Ming | Liu, Shiping | Zhang, Hemin | Li, Desheng | Huang, Yan | Wang, Xia | Yang, Guohua | Jiang, Zhi | Wang, Junyi | Qin, Nan | Li, Li | Li, Jingxiang | Bolund, Lars | Kristiansen, Karsten | Wong, Gane Ka-Shu | Olson, Maynard | Zhang, Xiuqing | Li, Songgang | Yang, Huanming | Wang, Jian | Wang, Jun
Nature  2009;463(7279):311-317.
Using next-generation sequencing technology alone, we have successfully generated and assembled a draft sequence of the giant panda genome. The assembled contigs (2.25 gigabases (Gb)) cover approximately 94% of the whole genome, and the remaining gaps (0.05 Gb) seem to contain carnivore-specific repeats and tandem repeats. Comparisons with the dog and human showed that the panda genome has a lower divergence rate. The assessment of panda genes potentially underlying some of its unique traits indicated that its bamboo diet might be more dependent on its gut microbiome than its own genetic composition. We also identified more than 2.7 million heterozygous single nucleotide polymorphisms in the diploid genome. Our data and analyses provide a foundation for promoting mammalian genetic research, and demonstrate the feasibility for using next-generation sequencing technologies for accurate, cost-effective and rapid de novo assembly of large eukaryotic genomes.
doi:10.1038/nature08696
PMCID: PMC3951497  PMID: 20010809
22.  Dynamic changes of HBV markers and HBV DNA load in infants born to HBsAg(+) mothers: can positivity of HBsAg or HBV DNA at birth be an indicator for HBV infection of infants? 
BMC Infectious Diseases  2013;13:524.
Background
Neither HBV DNA nor HBsAg positivity at birth is an accurate marker for HBV infection of infants. No data is available for continuous changes of HBV markers in newborns to HBsAg(+) mothers. This prospective, multi-centers study aims at observing the dynamic changes of HBV markers and exploring an early diagnostic marker for mother-infant infection.
Methods
One hundred forty-eight HBsAg(+) mothers and their newborns were enrolled after mothers signed the informed consent forms. Those infants were received combination immunoprophylaxis (hepatitis B immunoglobulin [HBIG] and hepatitis B vaccine) at birth, and then followed up to 12 months. Venous blood of the infants (0, 1, 7, and 12 months of age) was collected to test for HBV DNA and HBV markers.
Results
Of the 148 infants enrolled in our study, 41 and 24 infants were detected as HBsAg(+) and HBV DNA(+) at birth, respectively. Nine were diagnosed with HBV infection after 7 mo follow-up. Dynamic observation of the HBV markers showed that HBV DNA and HBsAg decreased gradually and eventually sero-converted to negativity in the non-infected infants, whereas in the infected infants, HBV DNA and HBsAg were persistently positive, or higher at the end of follow-up. At 1 mo, the infants with anti-HBs(+), despite positivity for HBsAg or HBV DNA at birth, were resolved after 12 mo follow-up, whereas all the nine infants with anti-HBs(−) were diagnosed with HBV infection. Anti-HBs(−) at 1 mo showed a higher positive likelihood ratio for HBV mother-infant infection than HBV DNA and/or HBsAg at birth.
Conclusions
Negativity for anti-HBs at 1 mo can be considered as a sensitive and early diagnostic indictor for HBV infection in the infants with positive HBV DNA and HBsAg at birth, especially for those infants with low levels of HBV DNA load and HBsAg titer.
doi:10.1186/1471-2334-13-524
PMCID: PMC3829094  PMID: 24195671
23.  Pre-treatment with IL-1β enhances the efficacy of MSC transplantation in DSS-induced colitis 
Mesenchymal stem cells (MSCs) have been used experimentally for treating inflammatory disorders, partly due to their immunosuppressive properties. Although interleukin-1β (IL-1β) is one of the most important inflammatory mediators, growing evidence indicates that IL-1β signaling elicits the immunosuppressive properties of MSCs. However, it remains unclear how IL-1β signaling accomplishes this activity. Here, we focus on the therapeutic efficacy of IL-1β-primed MSCs in the dextran sulfate sodium (DSS)-induced colitis model, in addition to the underlining mechanisms. We first found that IL-1β-primed MSCs, without any observable phenotype change in vitro, significantly attenuated the development of DSS-induced murine colitis. Moreover, IL-1β-primed MSCs modulated the balance of immune cells in the spleen and the mesenteric lymph nodes (MLNs) through elevating cyclooxygenase-2 (COX-2), IL-6 and IL-8 expression and influencing the polarization of peritoneal macrophages. Importantly, IL-1β-primed MSCs possessed an enhanced ability to migrate to the inflammatory site of the gut via upregulation of chemokine receptor type 4 (CXCR4) expression. In summary, IL-1β-primed MSCs have improved efficacy in treating DSS-induced colitis, which at least partly depends on their increased immunosuppressive capacities and enhanced migration ability.
doi:10.1038/cmi.2012.40
PMCID: PMC4002219  PMID: 23085948
IL-1β; mesenchymal stem cells; ulcerative colitis
24.  Effective modulation of CD4+CD25+high regulatory T and NK cells in malignant patients by combination of interferon-α and interleukin-2 
Cancer Immunology, Immunotherapy  2012;61(12):2357-2366.
Overinduced CD4+CD25+high regulatory T cells (Treg) and downregulated NK cells contribute to tumor-relevant immune tolerance and interfere with tumor immunity. In this study, we aimed to design a novel strategy with cytokine combination to correct the dysregulated Treg and NK cells in malignant patients. Initially, a total of 58 healthy individuals and 561 malignant patients were analyzed for their cellular immunity by flow cytometry. The average percentages of CD4+CD25+high/lymphocyte were 1.30 ± 1.19 % (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \bar{x} $$\end{document} ± SD) in normal adults and 3.274 ± 4.835 % in malignant patients (p < 0.001). The ratio of CD4+CD25+high to CD4+ was 3.58 ± 3.19 % in normal adults and 6.01 ± 5.89 % to 13.50 ± 23.60 % in different kinds of malignancies (p < 0.001). Of normal adults, 15.52 % had >3 % Treg and 12.07 % had <10 % NK cells. In contrast, the Treg (>3 %) and NK (<10 %) percentages were 40.82 and 34.94 % in malignant patients, respectively. One hundred and ten patients received the immunomodulation therapy with IFN-α and/or IL-2. The overinduced Treg in 86.3 % and the reduced NK cells in 71.17 % of the patients were successfully modulated. In comparison, other lymphocyte subpopulations in most patients were much less affected by this treatment. No other treatment-relevant complications except slight pyrexia, fatigue, headache, and myalgia were observed. In conclusion, dysregulated Treg and/or NK cells were common in malignant patients. Different from any regimens ever reported, this strategy was simple and effective without severe complications and will become a basic regimen for other cancer therapies.
Electronic supplementary material
The online version of this article (doi:10.1007/s00262-012-1297-2) contains supplementary material, which is available to authorized users.
doi:10.1007/s00262-012-1297-2
PMCID: PMC3506201  PMID: 22722448
Cytokine; Treg and NK; Cellular immunity; Immunotherapy; Immune modulation
25.  Transcription analysis on response of porcine alveolar macrophages to Haemophilus parasuis 
BMC Genomics  2012;13:68.
Background
Haemophilus parasuis (H. parasuis) is the etiological agent of Glässer's disease in pigs. Currently, the molecular basis of this infection is largely unknown. The innate immune response is the first line of defense against the infectious disease. Systematical analysis on host innate immune response to the infection is important for understanding the pathogenesis of the infectious microorganisms.
Results
A total of 428 differentially expressed (DE) genes were identified in the porcine alveolar macrophages (PAMs) 6 days after H. parasuis infection. These genes were principally related to inflammatory response, immune response, microtubule polymerization, regulation of transcript and signal transduction. Through the pathway analysis, the significant pathways mainly concerned with cell adhesion molecules, cytokine-cytokine receptor interaction, complement and coagulation cascades, toll-like receptor signaling pathway, MAPK signaling pathway, suggesting that the host took different strategies to activate immune and inflammatory response upon H. parasuis infection. The global interactions network and two subnetworks of the proteins encoded by DE genes were analyzed by using STRING. Further immunostimulation analysis indicated that mRNA levels of S100 calcium-binding protein A4 (S100A4) and S100 calcium-binding protein A6 (S100A6) in porcine PK-15 cells increased within 48 h and were sustained after administration of lipopolysaccharide (LPS) and Poly (I:C) respectively. The s100a4 and s100a6 genes were found to be up-regulated significantly in lungs, spleen and lymph nodes in H. parasuis infected pigs. We firstly cloned and sequenced the porcine coronin1a gene. Phylogenetic analysis showed that poCORONIN 1A belonged to the group containing the Bos taurus sequence. Structural analysis indicated that the poCORONIN 1A contained putative domains of Trp-Asp (WD) repeats signature, Trp-Asp (WD) repeats profile and Trp-Asp (WD) repeats circular profile at the N-terminus.
Conclusions
Our present study is the first one focusing on the response of porcine alveolar macrophages to H. parasuis. Our data demonstrate a series of genes are activated upon H. parasuis infection. The observed gene expression profile could help screening the potential host agents for reducing the prevalence of H. parasuis and further understanding the molecular pathogenesis associated with H. parasuis infection in pigs.
doi:10.1186/1471-2164-13-68
PMCID: PMC3296652  PMID: 22330747

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