Transcriptome-wide association study of breast cancer risk by estrogen-receptor status.

Helian Feng; Alexander Gusev; Bogdan Pasaniuc; Lang Wu; Jirong Long; Zomoroda Abu-Full; Kristiina Aittomäki; Irene L Andrulis; Hoda Anton-Culver; Antonis C Antoniou; +249 more... Adalgeir Arason; Volker Arndt; Kristan J Aronson; Banu K Arun; Ella Asseryanis; Paul L Auer; Jacopo Azzollini; Judith Balmaña; Rosa B Barkardottir; Daniel R Barnes; Daniel Barrowdale; Matthias W Beckmann; Sabine Behrens; Javier Benitez; Marina Bermisheva; Katarzyna Białkowska; Ana Blanco; Carl Blomqvist; Bram Boeckx; Natalia V Bogdanova; Stig E Bojesen; Manjeet K Bolla; Bernardo Bonanni; Ake Borg; Hiltrud Brauch; Hermann Brenner; Ignacio Briceno; Annegien Broeks; Thomas Brüning; Barbara Burwinkel; Qiuyin Cai; Trinidad Caldés; Maria A Caligo; Ian Campbell; Sander Canisius; Daniele Campa; Brian D Carter; Jonathan Carter; Jose E Castelao; Jenny Chang-Claude; Stephen J Chanock; Hans Christiansen; Wendy K Chung; Kathleen BM Claes; Christine L Clarke; GEMO Study Collaborators; EMBRACE Collaborators; GC-HBOC study Collaborators; Fergus J Couch; Angela Cox; Simon S Cross; Cezary Cybulski; Kamila Czene; Mary B Daly; Miguel de la Hoya; Kim De Leeneer; Joe Dennis; Peter Devilee; Orland Diez; Susan M Domchek; Thilo Dörk; Isabel Dos-Santos-Silva ORCID logo; Alison M Dunning; Miriam Dwek; Diana M Eccles; Bent Ejlertsen; Carolina Ellberg; Christoph Engel; Mikael Eriksson; Peter A Fasching; Olivia Fletcher; Henrik Flyger; Florentia Fostira; Eitan Friedman; Lin Fritschi; Debra Frost; Marike Gabrielson; Patricia A Ganz; Susan M Gapstur; Judy Garber; Montserrat García-Closas; José A García-Sáenz; Mia M Gaudet; Graham G Giles; Gord Glendon; Andrew K Godwin; Mark S Goldberg; David E Goldgar; Anna González-Neira; Mark H Greene; Jacek Gronwald; Pascal Guénel; Christopher A Haiman; Per Hall; Ute Hamann; Christopher Hake; Wei He; Jane Heyworth; Frans BL Hogervorst; Antoinette Hollestelle; Maartje J Hooning; Robert N Hoover; John L Hopper; Guanmengqian Huang; Peter J Hulick; Keith Humphreys; Evgeny N Imyanitov; ABCTB Investigators; HEBON Investigators; BCFR Investigators; OCGN Investigators; Claudine Isaacs; Milena Jakimovska; Anna Jakubowska; Paul James; Ramunas Janavicius; Rachel C Jankowitz; Esther M John; Nichola Johnson; Vijai Joseph; Audrey Jung; Beth Y Karlan; Elza Khusnutdinova; Johanna I Kiiski; Irene Konstantopoulou; Vessela N Kristensen; Yael Laitman; Diether Lambrechts; Conxi Lazaro; Dominique Leroux; Goska Leslie; Jenny Lester; Fabienne Lesueur; Noralane Lindor; Sara Lindström; Wing-Yee Lo; Jennifer T Loud; Jan Lubiński; Enes Makalic; Arto Mannermaa; Mehdi Manoochehri; Siranoush Manoukian; Sara Margolin; John WM Martens; Maria E Martinez; Laura Matricardi; Tabea Maurer; Dimitrios Mavroudis; Lesley McGuffog; Alfons Meindl; Usha Menon; Kyriaki Michailidou; Pooja M Kapoor; Austin Miller; Marco Montagna; Fernando Moreno; Lidia Moserle; Anna M Mulligan; Taru A Muranen; Katherine L Nathanson; Susan L Neuhausen; Heli Nevanlinna; Ines Nevelsteen; Finn C Nielsen; Liene Nikitina-Zake; Kenneth Offit; Edith Olah; Olufunmilayo I Olopade; Håkan Olsson; Ana Osorio; Janos Papp; Tjoung-Won Park-Simon; Michael T Parsons; Inge S Pedersen; Ana Peixoto; Paolo Peterlongo; Julian Peto ORCID logo; Paul DP Pharoah; Kelly-Anne Phillips; Dijana Plaseska-Karanfilska; Bruce Poppe; Nisha Pradhan; Karolina Prajzendanc; Nadege Presneau; Kevin Punie; Katri Pylkäs; Paolo Radice; Johanna Rantala; Muhammad Usman Rashid; Gad Rennert; Harvey A Risch; Mark Robson; Atocha Romero; Emmanouil Saloustros; Dale P Sandler; Catarina Santos; Elinor J Sawyer; Marjanka K Schmidt; Daniel F Schmidt; Rita K Schmutzler; Minouk J Schoemaker; Rodney J Scott; Priyanka Sharma; Xiao-Ou Shu; Jacques Simard; Christian F Singer; Anne-Bine Skytte; Penny Soucy; Melissa C Southey; John J Spinelli; Amanda B Spurdle; Jennifer Stone; Anthony J Swerdlow; William J Tapper; Jack A Taylor; Manuel R Teixeira; Mary Beth Terry; Alex Teulé; Mads Thomassen; Kathrin Thöne; Darcy L Thull; Marc Tischkowitz; Amanda E Toland; Rob AEM Tollenaar; Diana Torres; Thérèse Truong; Nadine Tung; Celine M Vachon; Christi J van Asperen; Ans MW van den Ouweland; Elizabeth J van Rensburg; Ana Vega; Alessandra Viel; Paula Vieiro-Balo; Qin Wang; Barbara Wappenschmidt; Clarice R Weinberg; Jeffrey N Weitzel; Camilla Wendt; Robert Winqvist; Xiaohong R Yang; Drakoulis Yannoukakos; Argyrios Ziogas; Roger L Milne; Douglas F Easton; Georgia Chenevix-Trench; Wei Zheng; Peter Kraft; Xia Jiang; ABCTB Investigators, BCFR Investigators, OCGN Investigators, GEMO Study Collaborators, EMBRACE Collaborators, GC-HBOC study Collaborators; (2020) Transcriptome-wide association study of breast cancer risk by estrogen-receptor status. GENETIC EPIDEMIOLOGY, 44 (5). pp. 442-468. ISSN 0741-0395 DOI: 10.1002/gepi.22288
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Previous transcriptome-wide association studies (TWAS) have identified breast cancer risk genes by integrating data from expression quantitative loci and genome-wide association studies (GWAS), but analyses of breast cancer subtype-specific associations have been limited. In this study, we conducted a TWAS using gene expression data from GTEx and summary statistics from the hitherto largest GWAS meta-analysis conducted for breast cancer overall, and by estrogen receptor subtypes (ER+ and ER-). We further compared associations with ER+ and ER- subtypes, using a case-only TWAS approach. We also conducted multigene conditional analyses in regions with multiple TWAS associations. Two genes, STXBP4 and HIST2H2BA, were specifically associated with ER+ but not with ER- breast cancer. We further identified 30 TWAS-significant genes associated with overall breast cancer risk, including four that were not identified in previous studies. Conditional analyses identified single independent breast-cancer gene in three of six regions harboring multiple TWAS-significant genes. Our study provides new information on breast cancer genetics and biology, particularly about genomic differences between ER+ and ER- breast cancer.


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