Aim: To study the relationship between polymorphous G-1082A (rs3024491) and C-592A (rs1800872) variants of the IL10 gene and multifocal atherosclerosis (MFA) in patients with acute coronary syndrome (ACS) without segment ST elevation.
Materials and methods: Genotypes of polymorphous G-1082A (rs3024491) and C-592A (rs1800872) variants of the IL10 gene were determined in 178 patients. Interleukin-10 (IL-10) level was measured in 93 of them using solid-phase immunoenzymatic assay. All patients underwent visualization of coronary and peripheral arteries.
Results: C-592A (rs1800872) polymorphism ofthe IL10 gene tended to be associated with type 2 diabetes mellitus in the carriers of the CC (gg) genotype and with elevated concentration of high density lipoproteins and reduced intima-media thickness in the carriers of the AA (tt) genotype. The frequency of MFA in the carriers of different genotypes of rs1800872 polymorphism was practically identical while the CA(gt) genotype was associated with more severe manifestations of atherosclerosis and AA(tt) genotype with lower frequency of peripheral artery stenosis. Patients with AA(tt) genotype of rs1800872 polymorphism had higher IL-10 levels. No relationship between rs3024491 polymorphism of IL10 gene, blood IL-10 level, clinical risk factors, and MFA was documented.
Conclusion: CC (gg) genotype of C-592A (rs1800872) polymorphism of the IL10 gene in patients with acute coronary syndrome (ACS) without segment ST elevation was associated with type 2 diabetes mellitus while the AA(tt) genotype of the same polymorphism with elevated concentration of high density lipoproteins, reduced intima-media thickness, low frequency of peripheral artery stenosis, and increased IL-10 production. CA (gt) genotype of rs1800872 polymorphism of the IL10 gene was associated with MFA.