Abstract
Annotation. The aim of the study was to analyze the distribution of rs4977574-polymorphic variants of the ANRIL gene in patients with acute coronary syndrome of different sex. The venous blood of 234 patients with acute coronary syndrome (ACS) and 195 people without cardiac pathology was used for the study. DNA was isolated from whole venous blood using the GeneJET Whole Blood Genomic DNA Purification Mini Kit (ThermoFisher Scientific, USA). rs4977574 ANRIL gene polymorphism was studied by real-time PCR reaction in the presence of TaqMan assay C_31720978_30. Statistical analysis of the study was performed using the SPSS program (version 17.0). A difference was found when comparing the frequencies of genotypes at the polymorphic site rs4977574 of the ANRIL gene in their distribution (p=0,035). According to the results of logistic regression, it was detected that in the recessive (p=0,015) and additive (p=0,012) inheritance models, carriers of the G/G genotype are approximately 2 times more likely to develop ACS than carriers of the A-allele. The reliability of the results was maintained after adjustments for gender, age, B<I, smoking habits, diabetes and stress (p=0,049 for the recessive model; p=0,037 for the additive model). Thus, individuals with the rs4977574 G/G genotype polymorphism of the ANRIL long non-coding RNA gene have a 2 times higher risk of developing ACS than dominant allele carriers. Further research will focus on the association of ANRIL polymorphism with the risk of ACS depending on other risk factors.
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