A transcriptome-wide association study of 229,000 women identifies new candidate susceptibility genes for breast cancer.

Lang Wu; Wei Shi; Jirong Long; Xingyi Guo ORCID logo; Kyriaki Michailidou; Jonathan Beesley; Manjeet K Bolla; Xiao-Ou Shu; Yingchang Lu; Qiuyin Cai; +202 more... Fares Al-Ejeh ORCID logo; Esdy Rozali; Qin Wang; Joe Dennis; Bingshan Li ORCID logo; Chenjie Zeng; Helian Feng; Alexander Gusev ORCID logo; Richard T Barfield; Irene L Andrulis ORCID logo; Hoda Anton-Culver; Volker Arndt ORCID logo; Kristan J Aronson; Paul L Auer; Myrto Barrdahl; Caroline Baynes; Matthias W Beckmann; Javier Benitez; Marina Bermisheva; Carl Blomqvist; Natalia V Bogdanova; Stig E Bojesen; Hiltrud Brauch ORCID logo; Hermann Brenner; Louise Brinton; Per Broberg; Sara Y Brucker; Barbara Burwinkel; Trinidad Caldés; Federico Canzian; Brian D Carter; J Esteban Castelao; Jenny Chang-Claude; Xiaoqing Chen; Ting-Yuan David Cheng; Hans Christiansen; Christine L Clarke; NBCS Collaborators; Margriet Collée ORCID logo; Sten Cornelissen; Fergus J Couch; David Cox; Angela Cox ORCID logo; Simon S Cross; Julie M Cunningham ORCID logo; Kamila Czene; Mary B Daly; Peter Devilee; Kimberly F Doheny; Thilo Dörk; Isabel Dos-Santos-Silva ORCID logo; Martine Dumont; Miriam Dwek; Diana M Eccles; Ursula Eilber; A Heather Eliassen; Christoph Engel; Mikael Eriksson; Laura Fachal ORCID logo; Peter A Fasching; Jonine Figueroa; Dieter Flesch-Janys; Olivia Fletcher ORCID logo; Henrik Flyger; Lin Fritschi; Marike Gabrielson; Manuela Gago-Dominguez; Susan M Gapstur; Montserrat García-Closas; Mia M Gaudet; Maya Ghoussaini; Graham G Giles; Mark S Goldberg; David E Goldgar; Anna González-Neira; Pascal Guénel; Eric Hahnen; Christopher A Haiman; Niclas Håkansson; Per Hall; Emily Hallberg; Ute Hamann; Patricia Harrington; Alexander Hein ORCID logo; Belynda Hicks ORCID logo; Peter Hillemanns; Antoinette Hollestelle ORCID logo; Robert N Hoover; John L Hopper; Guanmengqian Huang; Keith Humphreys; David J Hunter; Anna Jakubowska ORCID logo; Wolfgang Janni; Esther M John; Nichola Johnson; Kristine Jones; Michael E Jones; Audrey Jung; Rudolf Kaaks; Michael J Kerin; Elza Khusnutdinova ORCID logo; Veli-Matti Kosma; Vessela N Kristensen; Diether Lambrechts; Loic Le Marchand; Jingmei Li ORCID logo; Sara Lindström; Jolanta Lissowska; Wing-Yee Lo; Sibylle Loibl; Jan Lubinski; Craig Luccarini; Michael P Lux; Robert J MacInnis; Tom Maishman; Ivana Maleva Kostovska; Arto Mannermaa; JoAnn E Manson; Sara Margolin; Dimitrios Mavroudis; Hanne Meijers-Heijboer; Alfons Meindl; Usha Menon ORCID logo; Jeffery Meyer; Anna Marie Mulligan; Susan L Neuhausen; Heli Nevanlinna ORCID logo; Patrick Neven; Sune F Nielsen; Børge G Nordestgaard ORCID logo; Olufunmilayo I Olopade; Janet E Olson; Håkan Olsson; Paolo Peterlongo; Julian Peto ORCID logo; Dijana Plaseska-Karanfilska; Ross Prentice; Nadege Presneau; Katri Pylkäs ORCID logo; Brigitte Rack; Paolo Radice; Nazneen Rahman; Gad Rennert ORCID logo; Hedy S Rennert; Valerie Rhenius; Atocha Romero ORCID logo; Jane Romm; Anja Rudolph; Emmanouil Saloustros ORCID logo; Dale P Sandler; Elinor J Sawyer; Marjanka K Schmidt; Rita K Schmutzler; Andreas Schneeweiss; Rodney J Scott; Christopher G Scott ORCID logo; Sheila Seal; Mitul Shah; Martha J Shrubsole ORCID logo; Ann Smeets; Melissa C Southey; John J Spinelli; Jennifer Stone; Harald Surowy; Anthony J Swerdlow; Rulla M Tamimi; William Tapper; Jack A Taylor; Mary Beth Terry; Daniel C Tessier; Abigail Thomas; Kathrin Thöne; Rob AEM Tollenaar; Diana Torres; Thérèse Truong; Michael Untch; Celine Vachon; David Van Den Berg; Daniel Vincent; Quinten Waisfisz; Clarice R Weinberg; Camilla Wendt; Alice S Whittemore; Hans Wildiers; Walter C Willett; Robert Winqvist; Alicja Wolk ORCID logo; Lucy Xia; Xiaohong R Yang; Argyrios Ziogas ORCID logo; Elad Ziv; kConFab/AOCS Investigators; Alison M Dunning; Paul DP Pharoah ORCID logo; Jacques Simard; Roger L Milne ORCID logo; Stacey L Edwards; Peter Kraft; Douglas F Easton ORCID logo; Georgia Chenevix-Trench; Wei Zheng ORCID logo; (2018) A transcriptome-wide association study of 229,000 women identifies new candidate susceptibility genes for breast cancer. Nature genetics, 50 (7). pp. 968-978. ISSN 1061-4036 DOI: 10.1038/s41588-018-0132-x
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The breast cancer risk variants identified in genome-wide association studies explain only a small fraction of the familial relative risk, and the genes responsible for these associations remain largely unknown. To identify novel risk loci and likely causal genes, we performed a transcriptome-wide association study evaluating associations of genetically predicted gene expression with breast cancer risk in 122,977 cases and 105,974 controls of European ancestry. We used data from the Genotype-Tissue Expression Project to establish genetic models to predict gene expression in breast tissue and evaluated model performance using data from The Cancer Genome Atlas. Of the 8,597 genes evaluated, significant associations were identified for 48 at a Bonferroni-corrected threshold of P < 5.82 × 10-6, including 14 genes at loci not yet reported for breast cancer. We silenced 13 genes and showed an effect for 11 on cell proliferation and/or colony-forming efficiency. Our study provides new insights into breast cancer genetics and biology.


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