Author:
Khunsriraksakul Chachrit,Markus Havell,Olsen Nancy J.,Carrel Laura,Jiang Bibo,Liu Dajiang J.
Abstract
Genome-wide association studies (GWAS) have identified hundreds of genetic variants associated with autoimmune diseases and provided unique mechanistic insights and informed novel treatments. These individual genetic variants on their own typically confer a small effect of disease risk with limited predictive power; however, when aggregated (e.g., via polygenic risk score method), they could provide meaningful risk predictions for a myriad of diseases. In this review, we describe the recent advances in GWAS for autoimmune diseases and the practical application of this knowledge to predict an individual’s susceptibility/severity for autoimmune diseases such as systemic lupus erythematosus (SLE) via the polygenic risk score method. We provide an overview of methods for deriving different polygenic risk scores and discuss the strategies to integrate additional information from correlated traits and diverse ancestries. We further advocate for the need to integrate clinical features (e.g., anti-nuclear antibody status) with genetic profiling to better identify patients at high risk of disease susceptibility/severity even before clinical signs or symptoms develop. We conclude by discussing future challenges and opportunities of applying polygenic risk score methods in clinical care.
Funder
National Human Genome Research Institute
National Institute of General Medical Sciences
National Institute of Allergy and Infectious Diseases
National Institutes of Health
U.S. National Library of Medicine
National Institute of Arthritis and Musculoskeletal and Skin Diseases
Subject
Immunology,Immunology and Allergy
Cited by
10 articles.
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