Polymorphisms in the promoter of the CD14 gene and their associations with susceptibility to pulmonary tuberculosis.

Tissue antigens Pub Date : 2012-11-01 Epub Date: 2012-09-03 DOI:10.1111/j.1399-0039.2012.01958.x
Y Xue, Z Q Zhao, F Chen, L Zhang, G D Li, K W Ma, X F Bai, Y J Zuo
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引用次数: 15

Abstract

Although the role of CD14 in recognizing Mycobacterium tuberculosis is well-understood, the possible role of polymorphisms in susceptibility to develop tuberculosis remains unclear. This study evaluates whether there is an association of polymorphisms within the promoter of the CD14 gene with susceptibility to pulmonary tuberculosis. In a case-control study, we genotyped the eight known single nucleotide polymorphisms SNPs within the promoter of the CD14 gene of 698 Han Chinese subjects. Statistically significant differences between tuberculosis patients and healthy controls were found for G-1619A, T-1359G, A-1145G, and C-159T. The haplotype-GGGT, composed of these four SNPs, exhibited a significant association with the disease. Furthermore, expression levels of soluble CD14 were significantly higher in tuberculosis patients with the GGGT haplotype than with other haplotypes, while IgE expression levels were significantly reduced. Our results suggest that these four SNPs within the promoter of the CD14 gene are associated with susceptibility to pulmonary tuberculosis.

CD14基因启动子多态性及其与肺结核易感性的关系
尽管CD14在识别结核分枝杆菌中的作用已被充分了解,但多态性在结核病易感性中的可能作用仍不清楚。本研究评估CD14基因启动子内的多态性是否与肺结核易感性相关。在一项病例对照研究中,我们对698名汉族受试者的CD14基因启动子内的8个已知单核苷酸多态性snp进行了基因分型。G-1619A、T-1359G、A-1145G和C-159T在结核病患者和健康对照组之间存在统计学差异。由这四个snp组成的单倍型gggt与该病有显著的相关性。GGGT单倍型结核患者可溶性CD14表达水平显著高于其他单倍型结核患者,而IgE表达水平显著降低。我们的研究结果表明,CD14基因启动子内的这四个snp与肺结核的易感性有关。
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来源期刊
Tissue antigens
Tissue antigens 医学-病理学
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