Genetic Contribution of the Interleukin-10 Promoter Polymorphism in Endometriosis Susceptibility
2002
PROBLEM: Interleukin-10 (IL-10) is an important immunomodulatory cytokine. The aim of this study was to investigate whether polymorphisms of the IL-10 gene promoter polymorphisms may be responsible in part for genetic susceptibility to endometriosis.
METHODS OF STUDY: Polymorphisms at position −1082 and −592 in the IL-10 promoter region were determined in 196 patients with endometriosis and 160 fertile healthy women by polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP).
RESULTS: There were no statistically significant differences in the genotype and allele frequencies of IL-10 promoter polymorphism between the endometriosis and control groups. However, when subgrouped according to clinical features, the frequencies of the −592*CC genotype and −592*C allele were significantly increased in patients with autoantibodies to carbonic anhydrase II (anti-CA II ab) compared with controls.
CONCLUSION: IL-10 promoter polymorphisms were associated with the production of anti-CA II ab in patients with endometriosis, suggesting a role in the genetic susceptibility for endometriosis.
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