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Title: Gene-gene interactions among CX3CL1, LEPR and IL-6 related to coronary artery disease in Chinese Han population.
Author: Jin SG, Chen GL, Yang SL, Zhao MY.
Journal: Int J Clin Exp Pathol; 2015; 8(5):5968-73. PubMed ID: 26191329.
Abstract:
OBJECTIVE: The purpose of this study was to investigate the impact of the interactions among CX3CL1 (rs170364 and rs614230), LEPR (rs6700896), and IL-6 (rs2066992) polymorphisms on the risk of coronary artery disease (CAD) in Chinese Han population. METHODS: 120 CAD patients and 109 healthy controls were enrolled in the study. Polymerase chain reaction (PCR) and direct sequencing methods were used to analyze the genotypes of CX3CL1, LEPR, and IL-6 polymorphisms. Multifactor dimensionality reduction (MDR) software was utilized to analyze gene-gene interactions. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were used for evaluating the association between gene polymorphisms or gene-gene interactions and CAD risk. RESULTS: In the study, TT genotype of rs170364 in CX3CL1 might decrease the CAD risk (OR=0.39, 95% CI=0.16-0.98). No significant correlation was found between T allele of rs170364 and CAD risk (P>0.05). CC genotype and C allele in rs614230 (CX3CL1) were significantly related with decreased risk of CAD (OR=0.38, 95% CI=0.17-0.86; OR=0.66, 95% CI=0.45-0.97). For IL-6 rs2066992 polymorphism. GG genotype could increase the risk of CAD (OR=2.32, 95% CI=1.04-5.17). Whereas, no significant correlation was observed between LEPR rs6700896 and CAD susceptibility. MDR analysis showed that CX3CL1, LEPR and IL-6 genes might jointly promote the occurrence of CAD. CONCLUSIONS: The interactions of CX3CL1, LEPR and IL-6 genes might increase the risk of CAD.

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