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Objective: CX3CL1 played an important role in atherosclerosis recently. We investigated the association between the chemokine CX3CL1 with coronary artery disease in type 2 diabetes mellitus. Methods: CX3CL1 expression in carotid artery specimens was analysed by immunohistochemistry. The study was conducted in 400 coronary artery disease in type 2 diabetes mellitus and 400 control subjects in a case-control study. CX3CL1 gene rs170364 variant was detected by the directing sequencing technology. Results: CX3CL1 expressions were increased markedly in carotid artery plaque than in normal carotid artery. CX3CL1 gene rs170364 genotype (GG, GT and TT) frequency in coronary artery disease in type 2 diabetes mellitus is 42.7%, 40.0% and 17.2%, and 50.2%, 39.6% and 10.2% in the control group. CX3CL1 gene rs170364 variant is a genetic risk factor for coronary artery disease in type 2 diabetes mellitus (P <0.05). Logistic regression analysis with adjustments for other risk factors showed that the CX3CL1 gene rs170364 T allele significantly increases the risk of coronary artery disease in type 2 diabetes mellitus compared with the control subjects (P <0.05). Conclusion: Our study shows that the CX3CL1 expression increased in the carotid plaques and serum of the coronary artery disease in type 2 diabetes mellitus. CX3CL1 gene rs170364 variant may be considered a genetic risk factor for coronary artery disease in type 2diabetes mellitus. [ABSTRACT FROM AUTHOR]

Objective: To investigate the association between the ACE gene ID variant with coronary artery disease (CAD) in Northern Han population of China. Methods: In this study we used the gene directing sequencing analysis to detect the ACE gene I/D variant among the 56S CAD patients and 529 control subjects by a case-control study. Results: hi CAD patients and controls subjects, we found that ACE gene ID variant conformed to the Hardy-Weinberg equilibrium well. ACE gene ID variant (II. ID and DD(genotype frequency was 50.3 %. 30.2 % and 19.5 % in CAD patients and 41.7 %. 47.2 % and 11.1 % in controls subjects. ACE gene ID variant maybe a genetic risk factor for CAD in Chinese Han population (P< 0.05). Logistic regression analysis with adjustments for the other risk factors of CAD showed that ACE gene I/D variant significantly increased the risk of CAD compared with the non-carriers (P<0.05). Conclusions: hi Northern Han population of China. ACE gene ID variant maybe considered a genetic risk factor for CAD. [ABSTRACT FROM AUTHOR]