PMID: 20650774Jul 24, 2010Paper

Correlation between CYP17 gene polymorphisms and female post adolescent acne in Han population in Hunan Province

Nan fang yi ke da xue xue bao = Journal of Southern Medical University
Li-ming TianJi Li

Abstract

To explore the correlation between androgen-related CYP17 gene polymorphisms and female post adolescent acne in Han population in Hunan Province. The female patients with post adolescent acne and high levels of androgen (A group), those without high levels of androgen (B group) and healthy subjects (C group) were enrolled. The CYP17 gene polymorphism was investigated by PCR using DNA samples from peripheral blood lymphocytes. The T-->C transition in the risk allele (A2) produced a new recognition site for the restriction endonuclease MspA1 I. Three genotypes of androgen-related CYP17 gene (A1A1, A1A2, and A2A2) were determined and confirmed by sequencing. The frequency of the A1A2 gene was similar in the cases and controls (P>0.05). The frequency of A2A2 gene was not significantly different between groups A and C (P>0.05). The frequency of A2A2 gene was significantly different between groups A and B and between groups B and C (P<0.05). The presence of base substitution in androgen-related CYP17 gene at -34 bp (T-->C) increases the risk of post adolescent acne in female subjects with increased androgen levels.

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