Association analysis revealed one susceptibility locus for vitiligo with immune-related diseases in the Chinese Han population
Immunogenetics(2015)
摘要
Generalized vitiligo is an autoimmune disease characterized by melanocyte loss, which results in patchy depigmentation of skin and hair, and is associated with an elevated risk of other immune-related diseases. However, there is no reported study on the associations between immune susceptibility polymorphisms and the risk of vitiligo with immune-related diseases. The aim of this study was to evaluate the potential influence of 10 single-nucleotide polymorphisms (SNPs) at 18q21.31 (rs10503019), 4p16.1 (rs11940117), 3q28 (rs1464510), 14q12 (rs2273844), 12q13.2 (rs2456973), 16q12.2 (rs3213758), 10q25.3 (rs4353229), 3q13.33 (rs59374417), and 10p15.1 (rs706779 and rs7090530) on vitiligo with immune-related diseases in the Chinese Han population. All SNPs were genotyped in 552 patients with vitiligo-associated immune-related diseases and 1656 controls using the Sequenom MassArray system. Data were analyzed with PLINK 1.07 software. The C allele of rs2456973 at 12q13.2 was observed to be significantly associated with vitiligo-associated immune-related diseases (autoimmune diseases and allergic diseases) ( P = 0.0028, odds ratio (OR) = 1.27). In subphenotype analysis, the rs2456973 C allele was also significantly associated with early-onset vitiligo by comparing with controls ( P = 0.0001) and in the case-only analysis (P = 0.0114). We confirmed that 12q13.2 was an important candidate locus for vitiligo with immune-related diseases (autoimmune diseases and allergic diseases) and affected disease phenotypes with early onset.
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关键词
Vitiligo,Immune-related diseases,Genetic,Susceptibility,Polymorphism
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