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首页> 外文期刊>Digestive Diseases and Sciences >Co-occurrence of IgA antibodies against ethanol metabolites and tissue transglutaminase in alcohol consumers: correlation with proinflammatory cytokines and markers of fibrogenesis.
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Co-occurrence of IgA antibodies against ethanol metabolites and tissue transglutaminase in alcohol consumers: correlation with proinflammatory cytokines and markers of fibrogenesis.

机译:酒精消费者中针对乙醇代谢产物和组织转谷氨酰胺酶的IgA抗体同时存在:与促炎细胞因子和纤维生成标记相关。

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摘要

IgA antibodies to tissue transglutaminase have been suggested to be specific indicators of celiac disease. However, no studies have addressed the relationships between such antibodies and alcohol abuse, which is also a common cause of IgA-isotype immune responses and tissue injury in the gastrointestinal tract and liver. Here, measurements of specific IgAs against tissue transglutaminase and proteins modified by acetaldehyde, the first metabolite of ethanol, showed significantly higher levels of both antibodies in alcoholic liver disease patients than in healthy controls or heavy drinkers without liver disease. These antibodies also significantly co-occurred in heavy drinkers without liver disease, moderate drinkers, and abstainers, and correlated with biomarkers of alcohol consumption, proinflammatory cytokines and markers of fibrogenesis. The data suggests a link between such immune responses, perturbations in cytokine profiles and fibrogenesis, which should be implicated in studies on the pathogenesis and diagnosis of ethanol-induced tissue injury and celiac disease.
机译:已经提出针对组织转谷氨酰胺酶的IgA抗体是乳糜泻的特异性指标。但是,尚无研究解决此类抗体与酒精滥用之间的关系,酒精滥用也是IgA同种型免疫反应和胃肠道及肝脏组织损伤的常见原因。在这里,针对组织转谷氨酰胺酶和被乙醛(乙醇的首个代谢产物)修饰的蛋白质的特异性IgA的测量显示,酒精性肝病患者的两种抗体水平明显高于健康对照者或无肝病的酗酒者。这些抗体在没有肝脏疾病的重度饮酒者,中度饮酒者和戒酒者中也大量共存,并且与饮酒的生物标志物,促炎性细胞因子和纤维生成的标志物相关。数据表明,这种免疫反应,细胞因子分布紊乱和纤维生成之间存在联系,这应与乙醇诱导的组织损伤和乳糜泻的发病机理和诊断研究联系起来。

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