Alfred Lohninger, U Radler, S Jinniate, S Lohninger, H Karlic, S Lechner, D Mascher, A Tammaa, H Salzer
{"title":"Relationship between carnitine, fatty acids and insulin resistance.","authors":"Alfred Lohninger, U Radler, S Jinniate, S Lohninger, H Karlic, S Lechner, D Mascher, A Tammaa, H Salzer","doi":"10.1159/000301075","DOIUrl":null,"url":null,"abstract":"<p><p>Increased plasma free fatty acid (FFA) levels are a feature of insulin resistance and type 2 diabetes. The aim of the present study was to assess the effect of L-carnitine supplementation on plasma lipids and the expression of enzymes in peripheral mononucleated cells (PMNC) involved in the regulation of fatty acid and glucose oxidation. L-Carnitine supplementation of 2 g/day resulted in a significant decrease in plasma FFA and in a less pronounced diminution of the plasma triacylglycerols. In addition, a concomitant increase in the relative mRNA abundances of carnitine acyltransferases (5- to 10-fold) and of the carnitine carrier OCTN2 (12-fold) in PMNC of pregnant women was found. The results of the present study provide evidence that L-carnitine supplementation in pregnancy (2 g/day) avoids a striking increase in plasma FFA, which are thought to be the main cause of insulin resistance and consequently gestational diabetes mellitus.</p>","PeriodicalId":12827,"journal":{"name":"Gynakologisch-geburtshilfliche Rundschau","volume":"49 4","pages":"230-5"},"PeriodicalIF":0.0000,"publicationDate":"2009-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000301075","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gynakologisch-geburtshilfliche Rundschau","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000301075","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2010/5/19 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
Increased plasma free fatty acid (FFA) levels are a feature of insulin resistance and type 2 diabetes. The aim of the present study was to assess the effect of L-carnitine supplementation on plasma lipids and the expression of enzymes in peripheral mononucleated cells (PMNC) involved in the regulation of fatty acid and glucose oxidation. L-Carnitine supplementation of 2 g/day resulted in a significant decrease in plasma FFA and in a less pronounced diminution of the plasma triacylglycerols. In addition, a concomitant increase in the relative mRNA abundances of carnitine acyltransferases (5- to 10-fold) and of the carnitine carrier OCTN2 (12-fold) in PMNC of pregnant women was found. The results of the present study provide evidence that L-carnitine supplementation in pregnancy (2 g/day) avoids a striking increase in plasma FFA, which are thought to be the main cause of insulin resistance and consequently gestational diabetes mellitus.
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