Influence of LYS198ASN polymorphism of endothelin-1 gene on ischemic atherothrombotic stroke characteristics

Tetiana B Oleshko, Iryna S Chaika, Tetiana M Oleshko, Viktoriia Yu Harbuzova
Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego 2020, 73 (4): 657-661

OBJECTIVE: The aim: Investigate the effect of Lys198Asn polymorphism of the EDN1 gene on ischemic atherothrombotic stroke characteristics.

PATIENTS AND METHODS: Materials and methods: Venous blood of 170 patients with ischemic atherothrombotic stroke (IAS) and 124 patients without cerebrovascular pathology, who made up the control group, used for the study. Lys198Asn (rs5370) polymorphism of the EDN1 gene was determined by the polymerase chain reaction method followed by restriction fragment length analysis. Statistical analysis was performed using SPSS-17.0. The values of Р < 0.05 were considered reliable.

RESULTS: Results: An association between the Lys198Asn polymorphism of the EDN1 gene and the IAS development was detected. For Asn/Asn genotype carriers, the risk of IAS developing is 4 times higher than that of homozygotes for the major allele. The association of this polymorphism with the arterial pool, whose atherothrombotic changes lead to the development of IAS, was found in individuals with BMI < 25 kg/m2. Lys198Asn polymorphism also affects the severity of IAS in persons with hypertension and non-smokers.

CONCLUSION: Conclusion: The Lys198Asn polymorphism of the EDN1 gene influences some characteristics of ischemic stroke.

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