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  • Title: Association of UCP2 and UCP3 gene polymorphisms with serum high-density lipoprotein cholesterol among Korean women.
    Author: Cha MH, Kim IC, Kim KS, Kang BK, Choi SM, Yoon Y.
    Journal: Metabolism; 2007 Jun; 56(6):806-13. PubMed ID: 17512314.
    Abstract:
    Decreased serum high-density lipoprotein (HDL-C) cholesterol is a major risk factor for atherosclerosis and vascular disease. In this study, we assessed the association of 10 uncoupling protein (UCP) 2 and UCP3 polymorphisms with serum HDL cholesterol levels and atherogenic indexes among 658 Korean women. Among the 10 single nucleotide polymorphisms (SNPs) in the UCP2 and UCP3 genes, 2 SNPs in UCP2, -866G>A and +4787C>T (A55V) that were tightly linked (r(2) = 0.97), were significantly associated with decreased HDL cholesterol levels after Bonferroni correction (P = .003 in the recessive model). +4589C>T (Y210Y) in UCP3, a silent variation of Tyr210Tyr in exon 5, was also significantly associated with HDL cholesterol after multiple comparison correction. These 3 SNPs also exhibited some association with increases in the atherogenic index. Source-of-variation analysis revealed that -866G>A SNP accounted for 8.09% of the variation in serum HDL cholesterol levels independent of body mass index. We believe that our results may provide clues to the association of UCP genes with the risk of atherosclerosis through their effects on HDL cholesterol.
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