ROLE OF THE VARIABLE SITES G-1082A AND C-592A OF GENE IL10 IN DEVELOPMENT OF ONE YEAR ADVERSE OUTCOMES OF ST ELEVATION ACUTE CORONARY SYNDROME

Aim. Evaluation of the association of variation sites G-1082A (rs3024491) and C-592A (rs1800872) gene IL10 with one year outcomes of ST elevation acute coronary syndrome (STEACS).

Material and methods. Totally, 178 patients included, with STEACS in whom the polymorphisms C-592А (rs1800872) and G-1082А (rs3024491) of the gene IL10 were checked. Genotyping was done with TaqMan “iCycler iQ” (BIO-RAD, USA). To the control group 185 relatively healthy persons included living in Kemerovo city. In 93, the concentration of interleukin-10 (IL-10) was measured by the hard-phase immune-enzyme assay, by BIOSOURCE (Belgium). Reference values of IL-10 were set at 2,98 (1,75-4,31) pg/mL. At the one-year stage, endpoints developed in 42 (23,5%) patients, progressive angina — in 30 (16,8%); cardiovascular mortality for one year reached 1,1% (n=2), nonfatal myocardial infarction developed in 6 (3,4%), ischemic stroke — in 4 (3,2%) patients.

Results. While comparing IL-10 concentrations in STEACS with the reference values in Kemerovo city inhabitants, relatively low concentration was revealed in STEACS patients (0,38 vs 2,98 pg/mL; p=0,001). Association analysis of the variation sites of IL-10 with adverse outcomes during one year showed that genotype А/С rs3024491 (G-1082А) of gene IL10 is associated with the development of adverse outcome after NSTEACS. Endowment analysis towards the endpoint during 12 months showed that the most adverse is heterozygous carriage of А/С rs3024491 (G-1082А) gene IL10 (р=0,048).

Conclusion. In NSTEACS patients genotype С/С rs1800872 (С-592А) gene IL10 associated with lots of cardiovascular risk factors, but genotype А/А rs3024491 (G-1082А) on the contrary, shows associations with protective factors. Genotype A/C of polymorphic variant rs3024491(G-1082А) gene IL10 is associated with adverse yearly outcomes in STEACS patients.

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