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  • Title: High sensitivity of PHHC rat to dietary cholesterol.
    Author: Befekadu G, Kovár J, Poledne R.
    Journal: Physiol Res; 1992; 41(4):263-6. PubMed ID: 1286094.
    Abstract:
    The Prague Hereditary Hypercholesterolaemic (PHHC) rat is a strain of the Wistar rat very sensitive to dietary cholesterol. The dynamics of changes in serum and liver lipids and lecithin: cholesterol acyltransferase (LCAT) were studied immediately after the switch to a high cholesterol diet. Immediate cumulation of free and esterified cholesterol in the liver after the increase in alimentary cholesterol intake is supposed to be the regulating step leading to a subsequent increase in serum cholesterol concentration. Activity of LCAT was negatively correlated to the concentration of free cholesterol in the liver, very early after the cholesterol diet was introduced, a possibility of a down regulation of enzyme synthesis similarly to the regulation of synthesis of cholesterol in hepatocytes was observed.
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