We have previously observed that genetic profiles determined by the combination of five functionally significant single nucleotide polymorphisms (SNPs) (rs1800795, rs5498, rs5361, rs1024611, and rs679620) of genes encoding prototypical inflammatory molecules are associated with history of ischemic stroke.
RESULTS The present meta-analysis found that rs1800795 SNP of IL-6 gene is not significantly associated with susceptibility to arterial thromboembolic events (C allele vs. G allele, OR=1.04, 95% CI=0.91-1.19, P=0.619; CC vs. CG+GG, OR=1.09, 95% CI=0.91-1.31, P=0.364; CC+CG vs. GG, OR=0.97, 95% CI=0.78-1.21, P=0.763, respectively), and the SNP of IL-6 gene also did not show any significant association with ischemic stroke or myocardial infarction (P>0.05 in each model).
The association between single-nucleotide polymorphisms -174G/C (rs1800795) and -572G/C (rs1800796) in the interleukin-6 (IL-6) gene promoter region and ischemic heart disease (IHD)/ischemic stroke (IS) remains controversial and ambiguous.
The objective of this study was to evaluate the relationship between three polymorphisms; including tumour necrosis alpha (TNFα)-238 GA, interleukin( IL-10)-1028 GA (rs1800896), IL-6-(rs1800795) and ischemic stroke in a Turkish population.
Our study investigated the frequency of interleukin-6 (IL-6) promoter polymorphism rs1800795 (-174 G>C), possible association of this polymorphism with IL-6 levels and the outcome after stroke in 95 patients with acute ischemic stroke and 268 healthy subjects.
Our findings indicated that IL-6 rs1800795 polymorphism was significantly associated with individual susceptibility to IS in Asians, but not in Caucasians.