PMID: 18710029Aug 20, 2008Paper

Lipogenesis and cholesterogenesis in the liver of rats after cholesterol loading

Ukrainskiĭ biokhimicheskiĭ zhurnal
O S Pokotylo, V H Ianovych

Abstract

Intensity of fatty acids and separate classes of lipids synthesis was studied in vitro in the liver of white rats at loading by cholesterol in the dose of 300 mg/kg once a day during 30 days by incubation of organ homogenate with [6-(14)C] glucose, [2-(14)C] lysine, [1-(14)C] palmitic acid with following determination of radioactivity of fatty acids, phospholipids, cholesterol, acylglycerols radioactivity was investigated. The inhibition of fatty acids and separate classes of lipids synthesis in vitro in the liver of white rats at loading by cholesterol at the use of [6-(14)C] of glucose and [2-(14)C] lysine, as predecessors of fatty acids and lipids and stimulation of lipids synthesis at the use of [1-(14)C] palmitic acid as the predecessor was established. The loading of white rats by cholesterol results in its synthesis inhibition in the liver during incubation of its homogenates with [6-(14)C] glucose and does not influence the cholesterol synthesis during incubation of homogenates with [2-(14)C] lysine and [1-(14)C] palmitic acid. Thus synthesis of fatty acids and their use in the phospholipids and acylglycerols synthesis in the liver of white rats with hypercholesterolemia sharply decreases during incubation of their homo...Continue Reading

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