Phenome-wide analysis of Taiwan Biobank reveals novel glycemia-related loci and genetic risks for diabetes

Chia Jung Lee, Ting Huei Chen, Aylwin Ming Wee Lim, Chien Ching Chang, Jia Jyun Sie, Pei Lung Chen, Su Wei Chang, Shang Jung Wu, Chia Lin Hsu, Ai Ru Hsieh*, Wei Shiung Yang*, Cathy S.J. Fann*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

10 Scopus citations

Abstract

To explore the complex genetic architecture of common diseases and traits, we conducted comprehensive PheWAS of ten diseases and 34 quantitative traits in the community-based Taiwan Biobank (TWB). We identified 995 significantly associated loci with 135 novel loci specific to Taiwanese population. Further analyses highlighted the genetic pleiotropy of loci related to complex disease and associated quantitative traits. Extensive analysis on glycaemic phenotypes (T2D, fasting glucose and HbA1c) was performed and identified 115 significant loci with four novel genetic variants (HACL1, RAD21, ASH1L and GAK). Transcriptomics data also strengthen the relevancy of the findings to metabolic disorders, thus contributing to better understanding of pathogenesis. In addition, genetic risk scores are constructed and validated for absolute risks prediction of T2D in Taiwanese population. In conclusion, our data-driven approach without a priori hypothesis is useful for novel gene discovery and validation on top of disease risk prediction for unique non-European population.

Original languageEnglish
Article number1175
JournalCommunications Biology
Volume5
Issue number1
DOIs
StatePublished - 12 2022

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© 2022, The Author(s).

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