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, Kyriaki Michailidou, Jonathan Beesley, Manjeet K. Bolla, Xiao Ou Shu, Yingchang Lu, Qiuyin Cai, Fares Al-Ejeh, Esdy Rozali, Qin Wang, Joe Dennis, Bingshan Li, Chenjie Zeng, Helian Feng, Alexander Gusev, Richard T. Barfield, Irene L. AndrulisHoda Anton-Culver, Volker Arndt, 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, 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, Margriet Collée, Sten Cornelissen, Fergus J. Couch, David Cox, Angela Cox, Simon S. Cross, Julie M. Cunningham, Kamila Czene, Mary B. Daly, Peter Devilee, Kimberly F. Doheny, Thilo Dörk, Isabel Dos-Santos-Silva, Martine Dumont, Miriam Dwek, Diana M. Eccles, Ursula Eilber, A. Heather Eliassen, Christoph Engel, Mikael Eriksson, Laura Fachal, Peter A. Fasching, Jonine Figueroa, Dieter Flesch-Janys, Olivia Fletcher, 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, Belynda Hicks, Peter Hillemanns, Antoinette Hollestelle, Robert N. Hoover, John L. Hopper, Guanmengqian Huang, Keith Humphreys, David J. Hunter, Anna Jakubowska, Wolfgang Janni, Esther M. John, Nichola Johnson, Kristine Jones, Michael E. Jones, Audrey Jung, Rudolf Kaaks, Michael J. Kerin, Elza Khusnutdinova, Veli Matti Kosma, Vessela N. Kristensen, Diether Lambrechts, Loic Le Marchand, Jingmei Li, 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, Jo Ann E. Manson, Sara Margolin, Dimitrios Mavroudis, Hanne Meijers-Heijboer, Alfons Meindl, Usha Menon, Jeffery Meyer, Anna Marie Mulligan, Susan L. Neuhausen, Heli Nevanlinna, Patrick Neven, Sune F. Nielsen, Børge G. Nordestgaard, Olufunmilayo I. Olopade, Janet E. Olson, Håkan Olsson, Paolo Peterlongo, Julian Peto, Dijana Plaseska-Karanfilska, Ross Prentice, Nadege Presneau, Katri Pylkäs, Brigitte Rack, Paolo Radice, Nazneen Rahman, Gad Rennert, Hedy S. Rennert, Valerie Rhenius, Atocha Romero, Jane Romm, Anja Rudolph, Emmanouil Saloustros, Dale P. Sandler, Elinor J. Sawyer, Marjanka K. Schmidt, Rita K. Schmutzler, Andreas Schneeweiss, Rodney J. Scott, Christopher G. Scott, Sheila Seal, Mitul Shah, Martha J. Shrubsole, 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 A.E.M. 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, Lucy Xia, Xiaohong R. Yang, Argyrios Ziogas, Elad Ziv, Alison M. Dunning, Paul D.P. Pharoah, Jacques Simard, Roger L. Milne, Stacey L. Edwards, Peter Kraft, Douglas F. Easton, Georgia Chenevix-Trench, Wei Zheng

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Abstract

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.

Original languageEnglish
Pages (from-to)968-978
Number of pages11
JournalNature Genetics
Volume50
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018
Externally publishedYes

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