Low penetrance breast cancer susceptibility loci are associated with specific breast tumor subtypes: Findings from the Breast Cancer Association Consortium

Annegien Broeks, Marjanka K. Schmidt, Mark E Sherman, Fergus J Couch, John L. Hopper, Gillian S Dite, Carmel Apicella, Letitia D Smith, Fleur Hammet, Melissa C. Southey, Laura J. Van't Veer, Renate De Groot, Vincent T.H.B.M. Smit, Peter A. Fasching, Matthias W. Beckmann, Sebastian M Jud, Arif B Ekici, Arndt Hartmann, Alexander Hein, Ruediger Schulz-wendtlandBarbara Burwinkel, Frederik Marme, Andreas Schneeweiss, Hans Peter Sinn, Christof Sohn, Sandrine Tchatchou, Stig E Bojesen, Børge G. Nordestgaard, Henrik Flyger, David D. Ørsted, Diljit Kaur-Knudsen, Roger L Milne, Jose I.Arias Pérez, Pilar Zamora, Primitiva Menéndez Rodríguez, Javier Benítez, Hiltrud Brauch, Christina Justenhoven, Yon-Dschun Ko, The Genica Network, Ute Hamann, Hans-Peter Fischer, Thomas Brüning, Beate Pesch, Jenny Chang-Claude, Shan Wang-Gohrke, Michael Bremer, Johann H. Karstens, Peter Hillemanns, Thilo Dörk, Heli A. Nevanlinna, Tuomas Heikkinen, Päivi Heikkilä, Carl Blomqvist, Kristiina Aittomäki, Kirsimari Aaltonen, Annika Lindblom, Sara Margolin, Arto Mannermaa, Veli-Matti Kosma, Jaana M. Kauppinen, Vesa Kataja, Päivi Auvinen, Matti Eskelinen, Ylermi Soini, Georgia Chenevix-Trench, Amanda B Spurdle, Jonathan Beesley, Xiaoqing Chen, Helene Holland, Diether Lambrechts, Bart Claes, Thijs Vandorpe, Patrick Neven, Hans Wildiers, Dieter Flesch-Janys, Rebecca Hein, Thomas Löning, Matthew Kosel, Zachary S. Fredericksen, Xianshu Wang, Graham G. Giles, Laura Baglietto, Gianluca Severi, Catriona McLean, Christopher A Haiman, Brian E Henderson, Loic Le Marchand, Laurence N Kolonel, Grethe Grenaker Alnæs, Vessela Kristensen, Anne Lise Børresen-Dale, David J. Hunter, Susan E Hankinson, Irene L Andrulis, Anna Marie Mulligan, Frances P O'Malley, Peter Devilee, Petra E.A. Huijts, Rob A.E.M. Tollenaar, Christi J. Van Asperen, Caroline S. Seynaeve, Stephen J Chanock, Jolanta Lissowska, Louise Brinton, Beata Peplonska, Jonine D Figueroa, Xiaohong R Yang, Maartje J Hooning, Antoinette Hollestelle, Rogier A. Oldenburg, Agnes Jager, Mieke Kriege, Bahar Ozturk, Geert J.L.H. Van Leenders, Per Hall, Kamila Czene, Keith Humphreys, Jianjun Liu, Angela Cox, Daniel Connley, Helen E Cramp, Simon S Cross, Sabapathy P Balasubramanian, Malcolm W R Reed, Alison M Dunning, Douglas F Easton, Manjeet K. Humphreys, Carlos Caldas, Fiona Blows, Kristy Driver, Elena Provenzano, Jan Lubinski, Anna Jakubowska, Tomasz Huzarski, Tomasz Byrski, Cezary Cybulski, Bohdan Gorski, Jacek Gronwald, Paul Brennan, Suleeporn Sangrajrang, Valerie Gaborieau, Chen-Yang Shen, Chia-Ni Hsiung, Jyh-Cherng Yu, Shou-Tung Chen, Giu-Cheng Hsu, Ming-Feng Hou, Chiun Sheng Huang, Hoda Anton-Culver, Argyrios Ziogas, Paul D P Pharoah, Montserrat Garcia-Closas, kConFab51, AOCS50,51

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Abstract

Breast cancers demonstrate substantial biological, clinical and etiological heterogeneity. We investigated breast cancer risk associations of eight susceptibility loci identified in GWAS and two putative susceptibility loci in candidate genes in relation to specific breast tumor subtypes. Subtypes were defined by five markers (ER, PR, HER2, CK5/6, EGFR) and other pathological and clinical features. Analyses included up to 30 040 invasive breast cancer cases and 53 692 controls from 31 studies within the Breast Cancer Association Consortium. We confirmed previous reports of stronger associations with ER1 than ER2 tumors for six of the eight loci identified in GWAS: rs2981582 (10q26) (P-heterogeneity = 6.1 × 10-18), rs3803662 (16q12) (P = 3.7 × 10-5), rs13281615 (8q24) (P = 0.002), rs13387042 (2q35) (P = 0.006), rs4973768 (3p24) (P = 0.003) and rs6504950 (17q23) (P = 0.002). The two candidate loci, CASP8 (rs1045485, rs17468277) and TGFB1 (rs1982073), were most strongly related with the risk of PR negative tumors (P = 5.1 × 10-6 and P = 4.1 × 10-4, respectively), as previously suggested. Four of the eight loci identified in GWAS were associated with triple negative tumors (P ≤ 0.016): rs3803662 (16q12), rs889312 (5q11), rs3817198 (11p15) and rs13387042 (2q35); however, only two of them (16q12 and 2q35) were associated with tumors with the core basal phenotype (P ≤ 0.002). These analyses are consistent with different biological origins of breast cancers, and indicate that tumor stratification might help in the identification and characterization of novel risk factors for breast cancer subtypes. This may eventually result in further improvements in prevention, early detection and treatment.

Original languageEnglish
Pages (from-to)3289-3303
Number of pages15
JournalHuman Molecular Genetics
Volume20
Issue number16
DOIs
Publication statusPublished - 2011
Externally publishedYes

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