Background: Despite the significance of the traditional risk factors, recently published studies have suggested that inflammatory processes and variations in the genetics of the inflammatory system may participate in the initiation of atherosclerosis and its complications.
Objective: To investigate the possible association between CD14 C(-260)T (rs2569190) gene polymorphism and the risk of acute myocardial infarction in the Egyptian population.
Methods: We enrolled 100 acute myocardial infarction patients in addition to 107 healthy controls. Deoxyribonucleic acid was extracted, purified and used for the genotype assay of C(-260)T polymorphism in promoter region of CD14 gene. Genotyping was conducted using polymerase chain reactionrestriction fragment length polymorphism. Polymerase chain reaction product was digested using a restriction enzyme and the digestion products were specified. Serum CD14 levels were determined by Enzyme Linked Immunosorbent Assay.
Results: CD14 genotypic distribution (CC: 15.9% vs. 16%, CT: 62.6% vs. 58%, TT: 21.5% vs. 26% in controls versus acute myocardial infarction patients, p > 0.05 for all variables) and allele frequencies (C allele: 47% vs., 45%, T allele: 52% vs. 55% in controls versus acute myocardial infarction patients, p > 0.05 for all variables) did not show a statistical significant difference. Serum CD14 levels were elevated in acute myocardial infarction patients (5.73±0.62 vs. 4.48±0.28 pg/ml, p < 0.05). However, there was no statistically significant difference in serum CD14 levels among different CD14 genotypes.
Conclusion: CD14 C-(260)T polymorphism is not associated with incidence of acute myocardial infarction in Egyptians who showed elevated serum CD14 levels in comparison to healthy individuals.
Keywords: Genotypes; atherosclerosis; coronary artery disease; inflammation; myocardial infarction; polymorphism..
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