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Role of non-steroidal anti-inflammatory drugs on intestinal permeability and nonalcoholic fatty liver disease

World Journal of Gastroenterology 2017年第22期23卷 3954-3963页

作者： erika utzeri paolo usai department of medical sciences university of cagliari

The use of non-steroidal anti-inflammatory drugs(NSAIDs) is widespread worldwide thanks to their analgesic, anti-inflammatory and antipyretic effects. However, even more attention is placed upon the recurrence of digestive system complications in the course of their use. Recent data suggests that the complications of the lower gastro-intestinal tract may be as frequent and severe as those of the upper tract. NSAIDs enteropathy is due to enterohepatic recycling of the drugs resulting in a prolonged and repeated exposure of the intestinal mucosa to the compound and its metabolites. Thus leading to so-called topical effects, which, in turn, lead to an impairment of the intestinal barrier. This process determines bacterial translocation and toxic substances of intestinal origin in the portal circulation, leading to an endotoxaemia. This condition could determine a liver inflammatory response and might promote the development of nonalcoholic steatohepatitis, mostly in patients with risk factors such as obesity, metabolic syndrome and a high fat diet, which may induce a small intestinal bacterial overgrowth and dysbiosis. This alteration of gut microbiota may contribute to nonalcoholic fatty liver disease and its related disorders in two ways: firstly causing a malfunction of the tight junctions that play a critical role in the increase of intestinal permeability, and then secondly leading to the development of insulin resistance, body weight gain, lipogenesis, fibrogenesis and hepatic oxidative stress.

关键词： non-steroidal anti-inflammatory drugs Intestinal barrier Intestinal permeability non-steroidal anti-inflammatory drugs - enteropathy nonalcoholic fatty liver disease nonalcoholic steatohepatitis Microbiota Metabolic syndrome Proton pump inhibitors Endotoxaemia

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