학술논문

Identification of a novel susceptibility locus at 13q34 and refinement of the 20p12.2 region as a multi-signal locus associated with bladder cancer risk in individuals of European ancestry
Document Type
article
Author
Figueroa, Jonine DMiddlebrooks, Candace DBanday, A RoufYe, YuanqingGarcia-Closas, MontserratChatterjee, NilanjanKoutros, StellaKiemeney, Lambertus ARafnar, ThorunnBishop, TimothyFurberg, HelenaMatullo, GiuseppeGolka, KlausGago-Dominguez, ManuelaTaylor, Jack AFletcher, TonySiddiq, AfshanCortessis, Victoria KKooperberg, CharlesCussenot, OlivierBenhamou, SimonePrescott, JenniferPorru, StefanoDinney, Colin PMalats, NúriaBaris, DalsuPurdue, Mark PJacobs, Eric JAlbanes, DemetriusWang, ZhaomingChung, Charles CVermeulen, Sita HAben, Katja KGalesloot, Tessel EThorleifsson, GudmarSulem, PatrickStefansson, KariKiltie, Anne EHarland, MarkTeo, MarkOffit, KennethVijai, JosephBajorin, DeanKopp, RyanFiorito, GiovanniGuarrera, SimonettaSacerdote, CarlottaSelinski, SilviaHengstler, Jan GGerullis, HolgerOvsiannikov, DanielBlaszkewicz, MeinolfCastelao, Jose EstebanCalaza, ManuelMartinez, Maria ElenaCordeiro, PatriciaXu, ZongliPanduri, VijayalakshmiKumar, RajivGurzau, EugeneKoppova, KvetoslavaBueno-De-Mesquita, H BasLjungberg, BörjeClavel-Chapelon, FrançoiseWeiderpass, ElisabeteKrogh, VittorioDorronsoro, MirenTravis, Ruth CTjønneland, AnneBrennan, PaulChang-Claude, JennyRiboli, ElioConti, DavidStern, Marianna CPike, Malcolm CVan Den Berg, DavidYuan, Jian-MinHohensee, ChancellorJeppson, Rebecca PCancel-Tassin, GeraldineRoupret, MorganComperat, EvaTurman, ConstanceDe Vivo, ImmaculataGiovannucci, EdwardHunter, David JKraft, PeterLindstrom, SaraCarta, AngelaPavanello, SofiaArici, CeciliaMastrangelo, GiuseppeKamat, Ashish MZhang, LirenGong, YileiPu, XiaHutchinson, AmyBurdett, LaurieWheeler, William AKaragas, Margaret R
Source
Human Molecular Genetics. 25(6)
Subject
Cancer
Prevention
Human Genome
Genetics
Biotechnology
Urologic Diseases
Aetiology
2.1 Biological and endogenous factors
Biomarkers
Tumor
Case-Control Studies
Chromosomes
Human
Pair 13
Chromosomes
Human
Pair 20
Female
Genetic Association Studies
Genetic Predisposition to Disease
Genome-Wide Association Study
Humans
Linkage Disequilibrium
Male
Polymorphism
Single Nucleotide
Risk Factors
Urinary Bladder Neoplasms
White People
Biological Sciences
Medical and Health Sciences
Genetics & Heredity
Language
Abstract
Candidate gene and genome-wide association studies (GWAS) have identified 15 independent genomic regions associated with bladder cancer risk. In search for additional susceptibility variants, we followed up on four promising single-nucleotide polymorphisms (SNPs) that had not achieved genome-wide significance in 6911 cases and 11 814 controls (rs6104690, rs4510656, rs5003154 and rs4907479, P < 1 × 10(-6)), using additional data from existing GWAS datasets and targeted genotyping for studies that did not have GWAS data. In a combined analysis, which included data on up to 15 058 cases and 286 270 controls, two SNPs achieved genome-wide statistical significance: rs6104690 in a gene desert at 20p12.2 (P = 2.19 × 10(-11)) and rs4907479 within the MCF2L gene at 13q34 (P = 3.3 × 10(-10)). Imputation and fine-mapping analyses were performed in these two regions for a subset of 5551 bladder cancer cases and 10 242 controls. Analyses at the 13q34 region suggest a single signal marked by rs4907479. In contrast, we detected two signals in the 20p12.2 region-the first signal is marked by rs6104690, and the second signal is marked by two moderately correlated SNPs (r(2) = 0.53), rs6108803 and the previously reported rs62185668. The second 20p12.2 signal is more strongly associated with the risk of muscle-invasive (T2-T4 stage) compared with non-muscle-invasive (Ta, T1 stage) bladder cancer (case-case P ≤ 0.02 for both rs62185668 and rs6108803). Functional analyses are needed to explore the biological mechanisms underlying these novel genetic associations with risk for bladder cancer.