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  • Title: [Association of single nucleotide polymorphisms of Nrf2 promoter region with susceptibility to vitiligo].
    Author: Zhou MN, Xu AE, Lu LJ, Li YW, Zhao DK, Guan CP.
    Journal: Zhonghua Yi Xue Za Zhi; 2008 Apr 08; 88(14):969-72. PubMed ID: 18756969.
    Abstract:
    OBJECTIVE: To investigate the association of the single nucleotide polymorphisms (SNPs) in Nrf2 promoter region with the susceptibility to risk of vitiligo. METHODS: Samples of peripheral blood were collected from 300 vitiligo patients and 300 healthy persons. The genotypes of -686A/G, -684G/A, and -650C/A were detected by direct-sequencing. Genotyping of variable number of tandem repeat (VNTR) was performed by gene scan analysis with an ABI 310 Sequencer. Genetic and allelic frequencies were analyzed by Chi-square test and the risk was evaluated by calculating OR and 95% CI. RESULTS: There was statistical significant difference in genotypic and allelic frequencies of -650C/A between the vitiligo group and healthy control group (P < 0.05), and A -650 allele was associated with risk for vitiligo statistically significantly (OR = 1.724, 95% CI: 1.345-2.211, chi2 = 18.096, P < 0.01). Homozygote of A allele increased the risk for vitiligo obviously (OR = 2.902, 95% CI: 1.624-5.188, P < 0.01). No significant difference was found in other three polymorphisms between the two groups. CONCLUSION: polymorphism of Nrf2 promoter region -650C/A was associated with the development of vitiligo and A -650 allele may be one of risk factors for vitiligo.
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