ABSTRACT. We conducted a case-control study to investigate the association between IL-6 -174 G>C and -572 C>G polymorphisms and the risk of coronary artery disease (CAD). We genotyped IL-6 ˗174 G>C and -572 C>G in 402 patients with CAD and 402 control individuals. IL-6 -174 G>C (rs1800795) and -572 C>G (rs1800796) alleles were detected by polymerase chain reaction-restriction fragment length polymorphism. Patients with CAD were more likely to have a smoking habit, diabetes, and hypertension, a high level of triglycerides, and low levels of total cholesterol and high-and low-density lipoprotein cholesterol. Multivariate regression analyses showed that subjects carrying the IL-6 -174CC genotype had a small but significant increased risk of CAD (P = 0.004). Those carrying the IL-6 -174 G>C polymorphic variant had a slightly increased risk of CAD in both dominant and recessive models. However, we did not find significant association between the IL-6 -572 C>G polymorphism and risk of CAD. Moreover, a significant interaction was found between the IL-6 -174 G>C polymorphism, gender, and smoking habit. Our study, therefore, demonstrated that the IL-6 -174 G>C polymorphism is correlated with CAD risk, and that this polymorphism shows interactions with both gender and smoking.
This study suggests an association between pCNVs and fetal IMV. pCNVs may be involved in the pathological process of fetal IMV and postnatal NDs. Identifying specific genomic alterations may provide an insight into pathogenetic mechanism and aid better diagnosis and prognosis of neurodevelopmental outcomes in fetal IMV.
ABSTRACT. Cytochrome P450 (CYP) 2C19 metabolizes arachidonic acid to biologically active epoxyeicosatrienoic acids, which significantly promote proliferation of cancer cells in vitro and in vivo. We looked for a possible association between human CYP2C19*3 gene polymorphism and breast cancer in the Chinese Han population. In a Chinese Han case-control study of breast cancer patients (N = 600) and age-and gender-matched healthy controls (N = 600), we investigated polymorphism in the CYP2C19 gene by PCR-RFLP analysis. The CYP2C19*3 AG + AA genotype was significantly more prevalent in breast cancer patients than in control subjects (6.67 vs 3.00%; P = 0.003). The odds ratio for carriers of AG + AA genotype for breast cancer was 2.31 (95% confidence interval = 1.27-4.43). Among patients, estrogen receptor, tumor size, histologic grade, presence of primary lymphonode metastases, progesterone receptor positivity, and age at diagnosis were not found to be significantly associated with CYP2C19*3 genotypes (all P > 0.05). We conclude that the CYP2C19*3 gene polymorphism is associated with breast cancer risk in Chinese Han women.
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