TLR-4 and CD14 Genotypes and Soluble CD14: Could They Predispose to Coronary Atherosclerosis?
AbstractBackground: Inflammatory mechanisms are key to the pathogenesis of atherosclerosis. Functional polymorphisms of TLR-4, Asp299Gly and Thr399Ile, CD14 promoter area C260T polymorphism and plasma levels of soluble CD14 are studied in subjects with Coronary Artery Disease (CAD). Methods: DNA was obtained from 100 human paraffin-embedded aortic specimens, from cadavers with known coronary atheromatosis (Group A) and 100 blood samples from patients with CAD, as detected by cardiac Multi-Detector-row-Computed-Tomography (MDCT) (Group B). Our control group consisted of 100 healthy individuals (Group C). Genotyping was performed by Restriction Fragment Length Polymorphism-Polymerase Chain Reaction (RFLP-PCR). Plasma levels of sCD14 were measured with ELISA. Results: For TLR-4 Asp299Gly and Thr399Ile polymorphisms, no statistically significant differences were observed. Regarding the C260T polymorphism, frequencies of T allele were significantly higher in the control group compared to the case group (p = 0.05). The Odds Ratio (OR) showed statistically significant association of TT genotype with healthy individuals (OR 0.25, 95% Confidence Interval CI 0.10–0.62, p = 0.0017). Plasma levels of sCD14 in patients with CAD (mean value = 1.35 μg/mL) were reduced when compared to reference value. Conclusions: The studied polymorphisms ofTLR-4 showed no association with CAD. Conversely, the functional polymorphism of CD14 has a statistically significant difference in expression between healthy and affected by CAD individuals. View Full-Text
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Konstantinidou, M.K.; Goutas, N.; Vlachodimitropoulos, D.; Chaidaroglou, A.; Stefanou, D.; Poumpouridou, N.; Mastorakou, R.; Gazouli, M.; Kyparissopoulos, D.; Spiliopoulou, C. TLR-4 and CD14 Genotypes and Soluble CD14: Could They Predispose to Coronary Atherosclerosis? J. Cardiovasc. Dev. Dis. 2016, 3, 9.
Konstantinidou MK, Goutas N, Vlachodimitropoulos D, Chaidaroglou A, Stefanou D, Poumpouridou N, Mastorakou R, Gazouli M, Kyparissopoulos D, Spiliopoulou C. TLR-4 and CD14 Genotypes and Soluble CD14: Could They Predispose to Coronary Atherosclerosis? Journal of Cardiovascular Development and Disease. 2016; 3(1):9.Chicago/Turabian Style
Konstantinidou, Maria K.; Goutas, Nikos; Vlachodimitropoulos, Dimitrios; Chaidaroglou, Antigoni; Stefanou, Demetrios; Poumpouridou, Nikoleta; Mastorakou, Renata; Gazouli, Maria; Kyparissopoulos, Dimitrios; Spiliopoulou, Chara. 2016. "TLR-4 and CD14 Genotypes and Soluble CD14: Could They Predispose to Coronary Atherosclerosis?" J. Cardiovasc. Dev. Dis. 3, no. 1: 9.
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