ArticleHuman molecular genetics2022
A Polynesian-specific copy number variant encompassing the MICA gene associates with gout.
Article in Human molecular genetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Computational strategies for copy number variation detection, disease association, and beyond.Genome biology · 2026Review
- A scoping review on cardiometabolic risk factors among Pacific Island populations and implications on future research in the region.American journal of epidemiology · 2026Article
- Hyperuricaemia and gout in the Pacific.Nature reviews. Rheumatology · 2025Review
- Comprehensive Treatment of Gout with Traditional Chinese Medicine: A Modern Pathophysiological Perspective.International journal of general medicine · 2025Review
- The pathogenesis of gout: molecular insights from genetic, epigenomic and transcriptomic studies.Nature reviews. Rheumatology · 2024Review
- A PolynesianHGG advances · 2023Article
- High population frequencies ofFrontiers in immunology · 2023Article
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Authors and funding
19 authors at 5 institutions in 3 countries.
Funding
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Abstract
Gout is of particularly high prevalence in the Māori and Pacific (Polynesian) populations of Aotearoa New Zealand (NZ). Here, we investigated the contribution of common population-specific copy number variation (CNV) to gout in the Aotearoa NZ Polynesian population. Microarray-generated genome-wide genotype data from Aotearoa NZ Polynesian individuals with (n = 1196) and without (n = 1249) gout were analyzed. Comparator population groups were 552 individuals of European ancestry and 1962 of Han Chinese ancestry. Levels of circulating major histocompatibility complex (MHC) class I polypeptide-related sequence A (MICA) were measured by enzyme-linked immunosorbent assay. Fifty-four CNV regions (CNVRs) appearing in at least 10 individuals were detected, of which seven common (>2%) CNVRs were specific to or amplified in Polynesian people. A burden test of these seven revealed associations of insertion/deletion with gout (odds ratio (OR) 95% confidence interval [CI] = 1.80 [1.01; 3.22], P = 0.046). Individually testing of the seven CNVRs for association with gout revealed nominal association of CNVR1 with gout in Western Polynesian (Chr6: 31.36-31.45 Mb, OR = 1.72 [1.03; 2.92], P = 0.04), CNVR6 in the meta-analyzed Polynesian sample sets (Chr1: 196.75-196.92 Mb, OR = 1.86 [1.16; 3.00], P = 0.01) and CNVR9 in Western Polynesian (Chr1: 189.35-189.54 Mb, OR = 2.75 [1.15; 7.13], P = 0.03). Analysis of European gout genetic association data demonstrated a signal of association at the CNVR1 locus that was an expression quantitative trait locus for MICA. The most common CNVR (CNVR1) includes deletion of the MICA gene, encoding an immunomodulatory protein. Expression of MICA was reduced in the serum of individuals with the deletion. In summary, we provide evidence for the association of CNVR1 containing MICA with gout in Polynesian people, implicating class I MHC-mediated antigen presentation in gout.
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