[Association between gene mutation of cytochrome P450 1A1 in exon 7 A4889G locus and susceptibility to endometriosis].
Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics(2003)
摘要
OBJECTIVE:To assess the possible association between gene mutation of cytochrome P450 1A1(CYP1A1) in exon 7 A4889G locus and the susceptibility to endometriosis (EM).
METHODS:Allele specific-polymerase chain reaction method was used to analyze gene mutation in exon 7 A4889G locus of CYP1A1 in 76 patients with endometriosis and 80 healthy controls.
RESULTS:The frequency of allele G on A4889G locus of CYP1A1 gene showed a significant difference between the study cohort and the control group (Chi2=7.498, P<0.01), with an odds ratio of 1.957. Statistically significant difference in the frequencies of genotypes AA, AG and GG was observed between the two groups (Chi2=6.915, P<0.05). Individuals with homozygotes for G allele were at higher risk of suffering from EM when compared against those with homozygotes for A allele, the odds ratio being 3.437 (Chi2=5.430, P<0.05).
CONCLUSION:The above results suggest that gene mutation of CYP1A1 in exon 7 A4889G locus might be a genetic susceptible factor of endometriosis. The mutation allele of CYP1A1 gene appears to increase the risk of endometriosis.
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关键词
cytochrome p450 1a1,endometriosis,gene mutation
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