{"title":"Insulin-degrading activity in experimental liver cirrhosis of the rat.","authors":"M Auletta, S Antoniello, N Abrescia","doi":"10.1159/000474989","DOIUrl":null,"url":null,"abstract":"<p><p>Liver cirrhosis in man is often associated with hyperinsulinemia but its pathogenesis is still unexplained. To investigate whether insulin degradation is impaired in cirrhotic liver, the specific insulin-degrading enzyme activity (EC 3.4.22.11) was assayed in liver cytosol of rats with CCl4-induced liver cirrhosis. No difference was found between liver cytosol of cirrhotic and control rats. The results show that experimental CCl4-induced liver cirrhosis does not damage the specific insulin-degrading activity and support the hypothesis that impaired hepatic insulin handling is not an important cause of hyperinsulinemia in liver cirrhosis.</p>","PeriodicalId":11854,"journal":{"name":"Enzyme & protein","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000474989","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Enzyme & protein","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000474989","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Liver cirrhosis in man is often associated with hyperinsulinemia but its pathogenesis is still unexplained. To investigate whether insulin degradation is impaired in cirrhotic liver, the specific insulin-degrading enzyme activity (EC 3.4.22.11) was assayed in liver cytosol of rats with CCl4-induced liver cirrhosis. No difference was found between liver cytosol of cirrhotic and control rats. The results show that experimental CCl4-induced liver cirrhosis does not damage the specific insulin-degrading activity and support the hypothesis that impaired hepatic insulin handling is not an important cause of hyperinsulinemia in liver cirrhosis.
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