期刊
MOLECULAR MEDICINE REPORTS
卷 5, 期 1, 页码 37-40出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2011.594
关键词
calcium channel blocker; peroxisome proliferator-activated receptor-gamma; non-alcoholic steatohepatitis; hepatic fibrosis
Recent reports have shown that nifedipine, a calcium channel blocker, increases peroxisome proliferator-activated receptor-gamma (PPAR gamma) activity. Since PPAR gamma agonists, such as pioglitazone and rosiglitazone, are effective in reducing non-alcoholic steatohepatitis (NASH) and cirrhosis in animal models, we examined the protective effects of nifedipine, as compared with bezafibrate, a PPAR alpha agonist, in a NASH model induced by an L-methionine- and choline-deficient (MCD) diet. An MCD diet for 20 weeks changed the color of the rat liver to yellow with an irregular surface, whereas the color of the liver in both the bezafibrate and nifedipine treatment groups was markedly changed to yellow-brown with a smooth surface. Furthermore, nifedipine, as well as bezafibrate, significantly prevented liver fibrosis induced by an MCD diet, as assessed by Masson's trichrome staining, accompanied by a significant decrease in serum AST. Overall, nifedipine treatment resulted in an improvement in NASH, similar to bezafibrate, in a rat model. In hypertensive patients with metabolic syndrome, nifedipine may provide additional bene:its, beyond its blood pressure-lowering effects, to prevent NASH and fatty liver disease.
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