Abstract
Aims: The aim of this study was to evaluate urokinase-type plasminogen activator gene (uPA) and thrombin-activatable fibrinolysis inhibitor gene (TAFI) genotypes in a group of infertile women with and/or without endometriosis and controls. Methods: A case-control study comprising 180 infertile women with endometriosis, 68 women with idiopathic infertility, and 152 fertile women as controls was carried out. Detection of uPA (C422T/rs2227564) and TAFI (G438A/rs2146881) polymorphisms was performed by TaqMan polymerase chain reaction. The results were statistically analyzed and a p-value of <0.05 was considered significant. Results: We found no association among both uPA or TAFI polymorphisms and endometriosis-related infertility (p=0.920 and p=0.356, respectively) or idiopathic infertility (p=0.502 and p=0.392, respectively) comparing to controls, even considering minimal/mild and moderate/severe endometriosis separately. Both uPA and TAFI polymorphisms were in Hardy-Weinberg equilibrium for all studied groups. The combinatory analysis of both uPA and TAFI polymorphisms to endometriosis-related infertility, idiopathic infertility, and control group showed no statistical difference to any combination. Conclusion: The data suggest that, in the Brazilian population, genetic variations in both uPA and TAFI were not relevant to endometriosis and/or infertility.
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