Monocyte Chemoattractant Protein-1-2518 G/A Polymorphism, Plasma Levels, and Premature Stable Coronary Artery Disease
Overview
Affiliations
Background: We examined the -2518G/A polymorphism of the MCP-1 gene, its plasma levels, and premature stable CAD in a Chinese population.
Methods: The study comprised 132 patients with premature stable CAD (cases) and 153 controls. Genotypes were determined by ligase detection reaction-polymerase chain reaction sequencing and grouping. Plasma MCP-1 level was detected with enzyme-linked immunosorbent assay.
Results: No differences were found between genotype distribution and allele frequencies of MCP-1 gene -2518 G/A polymorphism (AA:18.1%; AG:51.5%; GG:30.3% in cases; AA:16.3%; AG:52.9%; GG:30.7% in controls; P = 0.918). The G allele prevalence was 0.561 in cases and 0.572 in controls (P = 0.786). No significant difference was found in plasma MCP-1 level between cases and controls [(47.50 +/- 26.65) vs. (41.05 +/- 15.71) pg/ml, P = 0.272)] or among the 3 genotypes [AA, (43.49 +/- 10.50) pg/ml; AG, (46.09 +/- 25.08) pg/ml; GG, (40.03 +/- 18.13) pg/ml; P = 0.381]. Logistic regression analysis confirmed the lack of association between MCP-1-2518 G/A single nucleotide polymorphism and premature stable CAD after adjustment for confounding parameters.
Conclusions: The MCP-1-2518 G/A single nucleotide polymorphism does not affect plasma levels of MCP-1 or susceptibility to premature stable CAD in a Chinese population.
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