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首页> 外文期刊>Alcohol >Relation of tumor necrosis factor (TNF) gene polymorphisms with serum concentrations and in vitro production of TNF-alpha and interleukin-8 in heavy drinkers.
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Relation of tumor necrosis factor (TNF) gene polymorphisms with serum concentrations and in vitro production of TNF-alpha and interleukin-8 in heavy drinkers.

机译:饮酒者中肿瘤坏死因子(TNF)基因多态性与血清浓度以及TNF-α和IL-8的体外产生的关系。

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摘要

Tumor necrosis factor-alpha (TNF-alpha) and interleukin-8 (IL-8) play a role in the pathogenesis of alcoholic hepatitis. The aim of the current study was to investigate the possible relation of TNF gene polymorphisms with TNF-alpha and IL-8 synthesis in heavy drinkers. Nineteen heavy drinkers and 14 healthy control subjects were included in the study. Investigations included (a) polymorphisms in the TNF promoter region at positions -238 (G-->A), -308 (G-->A), -857 (C-->T), and -863 (C-->A), as well as a biallelic Ncol restriction fragment length polymorphism in the first intron of the close TNF-beta gene; (b) serum TNF-alpha and IL-8 concentrations; and (c) TNF-alpha and IL-8 production by phytohemagglutinin A-stimulated peripheral blood mononuclear cells. In comparison with findings for control subjects, heavy drinkers showed higher TNF-alpha production, higher IL-8 production, and higher serum IL-8 concentrations. Increased serum TNF-alpha concentrations were specifically found in heavy drinkers withthe -857 (C-->T) substitution (CT heterozygotes), therefore indicating an interaction between alcohol consumption and that polymorphism on serum TNF-alpha concentrations.
机译:肿瘤坏死因子-α(TNF-alpha)和白介素8(IL-8)在酒精性肝炎的发病机理中起作用。本研究的目的是研究重度饮酒者中TNF基因多态性与TNF-α和IL-8合成的可能关系。该研究包括19名重度饮酒者和14名健康对照组。研究包括(a)在-238(G-> A),-308(G-> A),-857(C-> T)和-863(C-- > A),以及紧密TNF-beta基因第一个内含子的双等位基因NcoI限制性片段长度多态性; (b)血清TNF-α和IL-8浓度; (c)植物血凝素A刺激的外周血单核细胞产生TNF-α和IL-8。与对照组相比,重度饮酒者显示更高的TNF-α产生,更高的IL-8产生和更高的血清IL-8浓度。在具有-857(C→T)取代(CT杂合子)的重度饮酒者中特别发现血清TNF-α浓度升高,因此表明饮酒与血清TNF-α浓度多态性之间存在相互作用。

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