Identification and characterization of novel associations in the CASP8/ALS2CR12 region on chromosome 2 with breast cancer risk.

Previous studies have suggested that polymorphisms in CASP8 on chromosome 2 are associated with breast cancer risk. To clarify the role of CASP8 in breast cancer susceptibility, we carried out dense genotyping of this region in the Breast Cancer Association Consortium (BCAC). Single-nucleotide polymorphisms (SNPs) spanning a 1 Mb region around CASP8 were genotyped in 46 450 breast cancer cases and 42 600 controls of European origin from 41 studies participating in the BCAC as part of a custom genotyping array experiment (iCOGS). Missing genotypes and SNPs were imputed and, after quality exclusions, 501 typed and 1232 imputed SNPs were included in logistic regression models adjusting for study and ancestry principal components. The SNPs retained in the final model were investigated further in data from nine genome-wide association studies (GWAS) comprising in total 10 052 case and 12 575 control subjects. The most significant association signal observed in European subjects was for the imputed intronic SNP rs1830298 in ALS2CR12 (telomeric to CASP8), with per allele odds ratio and 95% confidence interval [OR (95% confidence interval, CI)] for the minor allele of 1.05 (1.03-1.07), P = 1 × 10(-5). Three additional independent signals from intronic SNPs were identified, in CASP8 (rs36043647), ALS2CR11 (rs59278883) and CFLAR (rs7558475). The association with rs1830298 was replicated in the imputed results from the combined GWAS (P = 3 × 10(-6)), yielding a combined OR (95% CI) of 1.06 (1.04-1.08), P = 1 × 10(-9). Analyses of gene expression associations in peripheral blood and normal breast tissue indicate that CASP8 might be the target gene, suggesting a mechanism involving apoptosis. © The Author 2014. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

Citation

Wei-Yu Lin, Nicola J Camp, Maya Ghoussaini, Jonathan Beesley, Kyriaki Michailidou, John L Hopper, Carmel Apicella, Melissa C Southey, Jennifer Stone, Marjanka K Schmidt, Annegien Broeks, Laura J Van't Veer, Emiel J Th Rutgers, Kenneth Muir, Artitaya Lophatananon, Sarah Stewart-Brown, Pornthep Siriwanarangsan, Peter A Fasching, Lothar Haeberle, Arif B Ekici, Matthias W Beckmann, Julian Peto, Isabel Dos-Santos-Silva, Olivia Fletcher, Nichola Johnson, Manjeet K Bolla, Qin Wang, Joe Dennis, Elinor J Sawyer, Timothy Cheng, Ian Tomlinson, Michael J Kerin, Nicola Miller, Frederik Marmé, Harald M Surowy, Barbara Burwinkel, Pascal Guénel, Thérèse Truong, Florence Menegaux, Claire Mulot, Stig E Bojesen, Børge G Nordestgaard, Sune F Nielsen, Henrik Flyger, Javier Benitez, M Pilar Zamora, Jose Ignacio Arias Perez, Primitiva Menéndez, Anna González-Neira, Guillermo Pita, M Rosario Alonso, Nuria Alvarez, Daniel Herrero, Hoda Anton-Culver, Hermann Brenner, Aida Karina Dieffenbach, Volker Arndt, Christa Stegmaier, Alfons Meindl, Peter Lichtner, Rita K Schmutzler, Bertram Müller-Myhsok, Hiltrud Brauch, Thomas Brüning, Yon-Dschun Ko, GENICA Network, Daniel C Tessier, Daniel Vincent, Francois Bacot, Heli Nevanlinna, Kristiina Aittomäki, Carl Blomqvist, Sofia Khan, Keitaro Matsuo, Hidemi Ito, Hiroji Iwata, Akiyo Horio, Natalia V Bogdanova, Natalia N Antonenkova, Thilo Dörk, Annika Lindblom, Sara Margolin, Arto Mannermaa, Vesa Kataja, Veli-Matti Kosma, Jaana M Hartikainen, kConFab Investigators, Australian Ovarian Cancer Study Group, Anna H Wu, Chiu-Chen Tseng, David Van Den Berg, Daniel O Stram, Patrick Neven, Els Wauters, Hans Wildiers, Diether Lambrechts, Jenny Chang-Claude, Anja Rudolph, Petra Seibold, Dieter Flesch-Janys, Paolo Radice, Paolo Peterlongo, Siranoush Manoukian, Bernardo Bonanni, Fergus J Couch, Xianshu Wang, Celine Vachon, Kristen Purrington, Graham G Giles, Roger L Milne, Catriona Mclean, Christopher A Haiman, Brian E Henderson, Fredrick Schumacher, Loic Le Marchand, Jacques Simard, Mark S Goldberg, France Labrèche, Martine Dumont, Soo Hwang Teo, Cheng Har Yip, Norhashimah Hassan, Eranga Nishanthie Vithana, Vessela Kristensen, Wei Zheng, Sandra Deming-Halverson, Martha J Shrubsole, Jirong Long, Robert Winqvist, Katri Pylkäs, Arja Jukkola-Vuorinen, Saila Kauppila, Irene L Andrulis, Julia A Knight, Gord Glendon, Sandrine Tchatchou, Peter Devilee, Robert A E M Tollenaar, Caroline Seynaeve, Christi J Van Asperen, Montserrat García-Closas, Jonine Figueroa, Jolanta Lissowska, Louise Brinton, Kamila Czene, Hatef Darabi, Mikael Eriksson, Judith S Brand, Maartje J Hooning, Antoinette Hollestelle, Ans M W Van Den Ouweland, Agnes Jager, Jingmei Li, Jianjun Liu, Keith Humphreys, Xiao-Ou Shu, Wei Lu, Yu-Tang Gao, Hui Cai, Simon S Cross, Malcolm W R Reed, William Blot, Lisa B Signorello, Qiuyin Cai, Paul D P Pharoah, Barbara Perkins, Mitul Shah, Fiona M Blows, Daehee Kang, Keun-Young Yoo, Dong-Young Noh, Mikael Hartman, Hui Miao, Kee Seng Chia, Thomas Choudary Putti, Ute Hamann, Craig Luccarini, Caroline Baynes, Shahana Ahmed, Mel Maranian, Catherine S Healey, Anna Jakubowska, Jan Lubinski, Katarzyna Jaworska-Bieniek, Katarzyna Durda, Suleeporn Sangrajrang, Valerie Gaborieau, Paul Brennan, James Mckay, Susan Slager, Amanda E Toland, Drakoulis Yannoukakos, Chen-Yang Shen, Chia-Ni Hsiung, Pei-Ei Wu, Shian-Ling Ding, Alan Ashworth, Michael Jones, Nick Orr, Anthony J Swerdlow, Helen Tsimiklis, Enes Makalic, Daniel F Schmidt, Quang M Bui, Stephen J Chanock, David J Hunter, Rebecca Hein, Norbert Dahmen, Lars Beckmann, Kirsimari Aaltonen, Taru A Muranen, Tuomas Heikkinen, Astrid Irwanto, Nazneen Rahman, Clare A Turnbull, Breast and Ovarian Cancer Susceptibility (BOCS) Study, Quinten Waisfisz, Hanne E J Meijers-Heijboer, Muriel A Adank, Rob B Van Der Luijt, Per Hall, Georgia Chenevix-Trench, Alison Dunning, Douglas F Easton, Angela Cox. Identification and characterization of novel associations in the CASP8/ALS2CR12 region on chromosome 2 with breast cancer risk. Human molecular genetics. 2015 Jan 01;24(1):285-98

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PMID: 25168388

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