Thrombin-Activatable Fibrinolysis Inhibitor Gene Polymorphism (TAFI1040C/T) in Women With Recurrent Spontaneous Abortion.

Recurrent spontaneous abortion (RSA) is defined as 3 or more consecutive pregnancy failures. Thrombin-activatable fibrinolysis inhibitor (TAFI) is a plasma zymogen that regulates both fibrinolysis and inflammation. The TAFI 1040C/T polymorphism could alter the circulating levels of TAFI with a reduced capacity to remove the fibrin clots from the circulation; therefore, it could be considered a molecular risk factor for RSA. The TAFI 1040C/T polymorphism was studied in 50 patients with RSA by polymerase chain reaction-restriction fragment length polymorphism technique and compared to 50 age- and gender-matched healthy volunteers as a control group to verify its possible association with RSA. In case group, the wild genotype (C/C) and heterozygous genotype (C/T) did not reduce the risk of RSA (odds ratio: 0.368 and 0.767, respectively), even when compared to the number of RSA ( P = .71). A higher frequency of C allele in the control group and a higher frequency of T allele in the case group were observed but with no statistical significance. In conclusion, our study revealed that TAFI 1040C/T could not be considered a molecular predictive factor for RSA in Egyptians.

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