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Tumor Necrosis Factor-alpha Gene Expression in PBMCs of Iranian Azeri Turkish Patients with Premature Coronary Artery Disease (Age ≤50 Years)
Background: Coronary artery disease is the leading cause of disability and mortality in Iran and worldwide. Tumor necrosis factor-alpha is a pro-inflammatory cytokine that plays a key role in inflammatory cascades and atherosclerosis. It regulates cytokine networks and adhesion molecule expression, and activates several signal transduction pathways, being also known as transducer of cardiovascular diseases, especially premature coronary artery disease.
Objective: The aim of the present study was to investigate tumor necrosis factor-alpha gene expression in Iranian Azeri Turkish patients with premature coronary artery disease (age ≤50 years).
Material and methods: Eighty four individuals (42 cases and 42 controls) were enrolled in the study. Total RNA was extracted from patients with premature coronary artery disease using RNX-Plus Solution (Cat. No.: RN7713C) and reverse transcribed into cDNA. The tumor necrosis factor-alpha mRNA expression level was evaluated using Real-Time PCR.
Results: The mean ± SE of fold in cases and controls were 1.1±1.08 and 1.6±3.4, respectively. The mean expression of tumor necrosis factor-alpha mRNA (fold) was not statistically different between the tested groups (P value 0.4).
Outcomes: Our outcome failed to find evidence for any association between tumor necrosis factor-alpha mRNA expression and premature coronary artery disease. Large scale, more detailed studies are further needed to prove our results and to propose other mechanisms in the pathophysiology of premature coronary artery disease.
Keywords: TNF-α, gene expression, premature coronary artery disease.