학술논문

Multi-ancestry genetic study of type 2 diabetes highlights the power of diverse populations for discovery and translation
Document Type
article
Author
Mahajan, AnubhaSpracklen, Cassandra NZhang, WeihuaNg, Maggie CYPetty, Lauren EKitajima, HidetoshiYu, Grace ZRüeger, SinaSpeidel, LeoKim, Young JinHorikoshi, MomokoMercader, Josep MTaliun, DanielMoon, SanghoonKwak, Soo-HeonRobertson, Neil RRayner, Nigel WLoh, MarieKim, Bong-JoChiou, JoshuaMiguel-Escalada, Irenedella Briotta Parolo, PietroLin, KuangBragg, FionaPreuss, Michael HTakeuchi, FumihikoNano, JanaGuo, XiuqingLamri, AmelNakatochi, MasahiroScott, Robert ALee, Jung-JinHuerta-Chagoya, AliciaGraff, MariaelisaChai, Jin-FangParra, Esteban JYao, JieBielak, Lawrence FTabara, YasuharuHai, YangSteinthorsdottir, ValgerdurCook, James PKals, MartGrarup, NielsSchmidt, Ellen MPan, IanSofer, TamarWuttke, MatthiasSarnowski, ChloeGieger, ChristianNousome, DarrylTrompet, StellaLong, JirongSun, MengTong, LinChen, Wei-MinAhmad, MerajNoordam, RaymondLim, Victor JYTam, Claudia HTJoo, Yoonjung YoonieChen, Chien-HsiunRaffield, Laura MLecoeur, CécilePrins, Bram PeterNicolas, AudeYanek, Lisa RChen, GuanjieJensen, Richard ATajuddin, SalmanKabagambe, Edmond KAn, PingXiang, Anny HChoi, Hyeok SunCade, Brian ETan, JingyiFlanagan, JackAbaitua, FernandoAdair, Linda SAdeyemo, AdebowaleAguilar-Salinas, Carlos AAkiyama, MasatoAnand, Sonia SBertoni, AlainBian, ZhengBork-Jensen, JetteBrandslund, IvanBrody, Jennifer ABrummett, Chad MBuchanan, Thomas ACanouil, MickaëlChan, Juliana CNChang, Li-ChingChee, Miao-LiChen, JiChen, Shyh-HueiChen, Yuan-TsongChen, ZhengmingChuang, Lee-MingCushman, Mary
Source
Nature Genetics. 54(5)
Subject
Genetics
Diabetes
Human Genome
Metabolic and endocrine
Diabetes Mellitus
Type 2
Ethnicity
Genetic Predisposition to Disease
Genome-Wide Association Study
Humans
Polymorphism
Single Nucleotide
Risk Factors
FinnGen
eMERGE Consortium
Biological Sciences
Medical and Health Sciences
Developmental Biology
Language
Abstract
We assembled an ancestrally diverse collection of genome-wide association studies (GWAS) of type 2 diabetes (T2D) in 180,834 affected individuals and 1,159,055 controls (48.9% non-European descent) through the Diabetes Meta-Analysis of Trans-Ethnic association studies (DIAMANTE) Consortium. Multi-ancestry GWAS meta-analysis identified 237 loci attaining stringent genome-wide significance (P 50% posterior probability. This improved fine-mapping enabled systematic assessment of candidate causal genes and molecular mechanisms through which T2D associations are mediated, laying the foundations for functional investigations. Multi-ancestry genetic risk scores enhanced transferability of T2D prediction across diverse populations. Our study provides a step toward more effective clinical translation of T2D GWAS to improve global health for all, irrespective of genetic background.