Evidence that breast cancer risk at the 2q35 locus is mediated through igfbp5 regulation
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2014-09-23Metadata
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Ghoussaini, Maya; Edwards, Stacey L. Michailidou, Kyriaki; Nord, Silje; Cowper-Sal·lari, Richard; Desai, Kinjal; Kar, Siddhartha; Hillman, Kristine M.; Kaufmann, Susanne; Glubb, Dylan M.; Beesley, Jonathan; Dennis, Joe; Bolla, Manjeet K.; Wang, Qin; Dicks, Ed; Guo, Qi; Schmidt, Marjanka K.; Shah, Mitul; Luben, Robert; Brown, Judith; Czene, Kamila; Darabi, Hatef; Eriksson, Mikael; Klevebring, Daniel; Bojesen, Stig E.; Nordestgaard, Børge G.; Nielsen, Sune F.; Flyger, Henrik; Lambrechts, Diether; Thienpont, Bernard; Neven, Patrick; Wildiers, Hans; Broeks, Annegien; Van’t Veer, Laura J.; Th Rutgers, Emiel J.; Couch, Fergus J.; Olson, Janet E.; Hallberg, Emily; Vachon, Celine; Chang-Claude, Jenny; Rudolph, Anja; Seibold, Petra; Flesch-Janys, Dieter; Peto, Julian; dos-Santos-Silva, Isabel; Gibson, Lorna; Nevanlinna, Heli; Muranen, Taru A.; Aittomäki, Kristiina; Blomqvist, Carl; Hall, Per; Li, Jingmei; Liu, Jianjun; Humphreys, Keith; Kang, Daehee; Choi, Ji-Yeob; Park, Sue K.; Noh, Dong-Young; Matsuo, Keitaro; Ito, Hidemi; Iwata, Hiroji; Yatabe, Yasushi; Guénel, Pascal; Truong, Thérèse; Menegaux, Florence; Sanchez, Marie; Burwinkel, Barbara; Marme, Frederik; Schneeweiss, Andreas; Sohn, Christof; Wu, Anna H.; Tseng, Chiu-chen; Van Den Berg, David; Stram, Daniel O.; Benitez, Javier; Zamora, M. Pilar; Perez, Jose Ignacio Arias; Menéndez, Primitiva; Shu, Xiao-Ou; Lu, Wei; Gao, Yu-Tang; Cai, Qiuyin; Cox, Angela; Cross, Simon S.; Reed, Malcolm W. R.; Andrulis, Irene L.; Knight, Julia A.; Glendon, Gord; Tchatchou, Sandrine; Sawyer, Elinor J.; Tomlinson, Ian; Kerin, Michael J.; Miller, Nicola; Haiman, Christopher A.; Henderson, Brian E.; Schumacher, Fredrick; Le Marchand, Loic; Lindblom, Annika; Margolin, Sara; TEO, Soo Hwang; YIP, Cheng Har; Lee, Daphne S. C.; Wong, Tien Y.; Hooning, Maartje J.; Martens, John W. M.; Collée, J. Margriet; van Deurzen, Carolien H. M.; Hopper, John L.; Southey, Melissa C.; Tsimiklis, Helen; Kapuscinski, Miroslav K.; Shen, Chen-Yang; Wu, Pei-Ei; Yu, Jyh-Cherng; Chen, Shou-Tung; Alnæs, Grethe Grenaker; Borresen-Dale, Anne-Lise; Giles, Graham G.; Milne, Roger L.; McLean, Catriona; Muir, Kenneth; Lophatananon, Artitaya; Stewart-Brown, Sarah; Siriwanarangsan, Pornthep; Hartman, Mikael; Miao, Hui; Buhari, Shaik Ahmad Bin Syed; Teo, Yik Ying; Fasching, Peter A.; Haeberle, Lothar; Ekici, Arif B.; Beckmann, Matthias W.; Brenner, Hermann; Dieffenbach, Aida Karina; Arndt, Volker; Stegmaier, Christa; Swerdlow, Anthony; Ashworth, Alan; Orr, Nick; Schoemaker, Minouk J.; García-Closas, Montserrat; Figueroa, Jonine; Chanock, Stephen J.; Lissowska, Jolanta; Simard, Jacques; Goldberg, Mark S.; Labrèche, France; Dumont, Martine; Winqvist, Robert; Pylkäs, Katri; Jukkola-Vuorinen, Arja; Brauch, Hiltrud; Brüning, Thomas; Koto, Yon-Dschun; Radice, Paolo; Peterlongo, Paolo; Bonanni, Bernardo; Volorio, Sara; Dörk, Thilo; Bogdanova, Natalia V.; Helbig, Sonja; Mannermaa, Arto; Kataja, Vesa; Kosma, Veli-Matti; Hartikainen, Jaana M.; Devilee, Peter; Tollenaar, Robert A. E. M.; Seynaeve, Caroline; Van Asperen, Christi J.; Jakubowska, Anna; Lubinski, Jan; Jaworska-Bieniek, Katarzyna; Durda, Katarzyna; Slager, Susan; Toland, Amanda E.; Ambrosone, Christine B.; Yannoukakos, Drakoulis; Sangrajrang, Suleeporn; Gaborieau, Valerie; Brennan, Paul; McKay, James; Hamann, Ute; Torres, Diana; Zheng, Wei; Long, Jirong; Anton-Culver, Hoda; Neuhausen, Susan L.; Luccarini, Craig; Baynes, Caroline; Ahmed, Shahana; Maranian, Mel; Healey, Catherine S.; González-Neira, Anna; Pita, Guillermo; Alonso, M. Rosario; Álvarez, Nuria; Herrero, Daniel; Tessier, Daniel C.; Vincent, Daniel; Bacot, Francois; de Santiago, Ines; Carroll, Jason; Caldas, Carlos; Brown, Melissa A.; Lupien, Mathieu; Kristensen, Vessela N.; Pharoah, Paul D P; Chenevix-Trench, Georgia; French, Juliet D; Easton, Douglas F.; Dunning, Alison M.; Chenevix-Trench, Georgia; Webb, Penny; Bowtell, David; De Fazio, Anna (2014). Evidence that breast cancer risk at the 2q35 locus is mediated through igfbp5 regulation. Nature Communications 5 ,
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Abstract
GWAS have identified a breast cancer susceptibility locus on 2q35. Here we report the fine mapping of this locus using data from 101,943 subjects from 50 case-control studies. We genotype 276 SNPs using the 'iCOGS' genotyping array and impute genotypes for a further 1,284 using 1000 Genomes Project data. All but two, strongly correlated SNPs (rs4442975 G/T and rs6721996 G/A) are excluded as candidate causal variants at odds against >100:1. The best functional candidate, rs4442975, is associated with oestrogen receptor positive (ER+) disease with an odds ratio (OR) in Europeans of 0.85 (95% confidence interval = 0.84 - 0.87; P = 1.7 x 10(-43)) per t-allele. This SNP flanks a transcriptional enhancer that physically interacts with the promoter of IGFBP5 (encoding insulin-like growth factor-binding protein 5) and displays allele-specific gene expression, FOXA1 binding and chromatin looping. Evidence suggests that the g-allele confers increased breast cancer susceptibility through relative downregulation of IGFBP5, a gene with known roles in breast cell biology.