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  • Title: [Lipoprotein lipase and lecithin-cholesterol-acyltransferase activity when lipoprotein metabolism is experimentally altered].
    Author: Tvorogova MG, Titov VN, Perova NV.
    Journal: Biull Eksp Biol Med; 1985 Dec; 100(12):702-4. PubMed ID: 4074873.
    Abstract:
    Lipoproteinlipase (LPL) and lecithin-cholesterol-acyltransferase (LCAT) activity was studied in rats in conditions of drug-induced (Clofibrat, cholestyramine, aethinyloestradiol) changes in lipid metabolism. Comparison of enzyme activity in three models of changed lipoprotein metabolism has revealed that the only model used (with aethinyloestradiol) leads to the uniform changes (decrease) in LPA and LCAT. Clofibrat increased LPL activity, with LCAT activity remaining unaffected. Cholestyramine caused no changes in LPL activity, but increased LCAT activity. The results obtained suggest that synergism in LPL and LCAT activity changes is registered only when lipolysis of triglyceride-saturated lipoproteins leads to the increase in the number of particles, similar in their structure and properties to high density lipoproteins, the basic LCAT structure.
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