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  • Title: Association of interleukin-18 gene promoter polymorphisms with risk of acute myocardial infarction in northern Chinese Han population.
    Author: Pei F, Han Y, Zhang X, Yan C, Huang M, Huang L, Kang J.
    Journal: Clin Chem Lab Med; 2009; 47(5):523-9. PubMed ID: 19309308.
    Abstract:
    BACKGROUND: Interleukin-18 (IL-18) has been suggested to play an important role in coronary arterial disease and its sequelae. The aim of the present study was to investigate the association between IL-18 promoter functional polymorphisms (-607C/A and -137G/C) and acute myocardial infarction (AMI) in northern Chinese Han population. METHODS: We performed a case-control study including 234 patients with AMI and 216 age- and sex-matched controls. Genotyping was performed using sequence specific primer-polymerase chain reaction (PCR-SSP). RESULTS: There were significant differences in the genotype and allele distribution of -607C/A polymorphism of the IL-18 gene between cases and controls. Logistic regression analysis with adjustments for other well-established risk factors revealed that the -607C allele carriers had a significantly increased risk of AMI compared with the non-carriers (OR=1.890, 95% CI 1.196-2.985, p=0.006). No relationship between -137G/C polymorphism and AMI was found. CONCLUSIONS: This study shows for the first time that the IL-18 gene promoter -607C/A polymorphism may be considered a genetic risk factor for AMI in northern Chinese Han population.
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