• Jun-Yi Luo, Rui Xu, Xiao-Mei Li, Yun Zhou, Qian Zhao, Fen Liu, Bang-Dang Chen, Yi-Tong Ma, Xiao-Ming Gao, and Yi-Ning Yang.
• From the Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (J-YL, X-ML, YZ, QZ, Y-TM, Y-NY); Xinjiang Key Laboratory of Cardiovascular Disease Research, Urumqi, Xinjiang, China (J-YL, X-ML, FL, B-DC, Y-TM, X-MG, Y-NY); Department of Cadres Health, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, China (RX); Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (X-MG); Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia (X-MG); and Department of Surgery, Central Clinical School, Monash University, Melbourne, Victoria, Australia (X-MG).
• Medicine (Baltimore). 2016 Jan 1; 95 (4): e2617e2617.

AbstractInflammation plays an important role in the pathogenesis of atherosclerosis. Recent studies indicate that macrophage migration inhibitory factor (MIF) is a potent proinflammatory cytokine which mediates the inflammatory process during atherosclerosis. The polymorphism of MIF gene (rs755622 [-173G/C], rs1007888, and rs2096525) were genotyped by TaqMan single nucleotide polymorphism (SNP) genotyping assay in 320 patients with coronary artery disease (CAD) and 603 controls in a Chinese Kazakh population. Coronary angiography was performed on all CAD patients and Gensini score was used to assess the severity of coronary artery lesions. The frequency of the CC genotype and C allele of rs755622 were significantly higher in CAD patients than that in control subjects (8.4% vs. 5.1%, P < 0.001, 30.3% vs. 22.1%, P < 0.001, respectively). Multivariate logistic regression analysis showed that individuals with CC genotype or C allele had a higher risk for CAD (CC genotype vs. GG genotype, OR = 2.224, 95% CI, 1.239-3.992, P = 0.007, and C allele vs. G allele, OR = 1.473, 95% CI, 1.156-1.876, P = 0.002, respectively). Moreover, CAD patients with rs755622 C allele (CC + CG genotype) have higher levels of Gensini score when compared to C allele noncarriers (32.74 ± 26.66 vs. 21.44 ± 19.40, P < 0.001, adjusted). Our results suggested that the CC genotype and C allele of MIF rs755622 SNP may be a genetic marker for the risk of CAD and potentially predict the severity of CAD in Chinese Kazakh population.

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