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  • Title: NRAMP1, VDR, HLA-DRB1, and HLA-DQB1 gene polymorphisms in susceptibility to tuberculosis among the Chinese Kazakh population: a case-control study.
    Author: Wu F, Zhang W, Zhang L, Wu J, Li C, Meng X, Wang X, He P, Zhang J.
    Journal: Biomed Res Int; 2013; 2013():484535. PubMed ID: 24024195.
    Abstract:
    BACKGROUND: To explore the potential role of natural-resistance-associated macrophage protein 1 (NRAMP1) gene, vitamin D receptor (VDR) gene, (human leukocyte antigen, (HLA-DRB1) HLA)-DRB1 gene, and HLA-DQB1 gene polymorphisms in susceptibility to tuberculosis (TB) in the Chinese Kazakh population. METHODS: A case-control study was performed on the Chinese Kazak population. Genetic polymorphisms of NRAMP1 gene (3'UTR) and VDR gene (TaqI and FokI) were analysed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and sequencing analysis in TB patients and healthy controls. Genetic polymorphisms of HLA-DRB1 gene and HLA-DQB1 gene in the two groups were detected with polymerase chain reaction-sequence-specific primers (PCR-SSPs) technique and sequencing analysis. RESULTS: There was statistically significant difference in the 3'UTR polymorphism between the TB patients and healthy controls in the Chinese Kazak population (P = 0.002; OR = 1.859; 95% CI = 1.182-2.926). Significant difference was observed in the FokI polymorphism between the TB patients and healthy controls (P = 0.001; OR = 1.530; 95% CI = 1.007-2.325). It does not disclose any significant association between the disease and TaqI (P > 0.05). Alleles HLA-DRB1*04 and HLA-DQB1*0201 occurred more frequently in patients than in controls (P = 0.011 and 0.002; OR = 1.889 and 1.802; 95% CI = 1.153-3.095 and 1.230-2.639, resp.). CONCLUSIONS: Polymorphisms in the NRAMP1 gene, VDR gene, HLA-DRB1 gene, and HLA-DQB1 gene are statistically associated with susceptibility to TB in the Chinese Kazakh population.
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