EVALUATION OF THE GENETIC RISKOMETER COMPONENTS KIF6, PALLD, SNX19, MYH15, VAMP8 FOR ISCHEMIC HEART DISEASE WITH SUDDEN CARDIAC DEATH

Aim. The study of mononucleotide polymorphisms associations rs20455 gene KIF6, rs7439293 gene PALLD, rs2298566 gene SNX19, rs3900940 gene MYH15, rs1010 gene VAMP8, included into the Riskometer of ischemic heart disease of the Celera Corporation (USA), in sudden cardiac death.

Material and methods. To the study the group of persons included, died from sudden cardiac death, according to the WHO criteria (n=352, mean age — 53,3±8,9 y.), control group from matched by age and gender from DNA bank of HAPIEE, MONICA studies (n=381, mean age — 53,1±8,3 y.), adolescents group (n=296, mean age — 15,6±0,9 y.). DNA extracted via the phenol-chloroform extraction from myocardium of the dyed due to sudden cardiac death, and from venous blood of controls. Genotyping performed with Real-time PCR method using the Taq-Mancatheters technology (Applied Biosystems).

Results. The prevalence of alleles rs7439293 gene PALLD, rs2298566 gene SNX19, rs3900940 gene MYH15 did not statistically significantly differ among the groups. In those died suddenly older than 50 years, there was significant decrease of carriers of GG polymorphism rs20455 gene KIF6 (9,0%) comparing to the controls (17,8%) (р=0,009, OR=0,456, 95% CI 0,256-0,810). In men older 50, died suddenly, there was significant decrease of the carriers of genotype СС (8,0%) (р=0,002, OR=0,328, 95% CI 0,159-0,678) and increase of СТ genotype (49,6%) (р=0,025, OR=1,729, 95% CI 1,084-2,758) polymorphism rs1010 gene VAMP8 comparing to the controls (21,0%, 36,3%, respectively). Conclusion. Polymorphisms rs20455 gene KIF6 and rs1010 gene VAMP8 are associated with sudden cardiac death. 

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