Title : Effects of nicotinic acid therapy on plasma high density lipoprotein subfraction distribution and composition and on apolipoprotein A metabolism.

Pub. Date : 1979 May

PMID : 221531






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1 This report describes the effects of pharmacologic doses (3 g/d) of nicotinic acid on the plasma distribution and chemical composition of the high density lipoprotein (HDL) subfractions HDL(2) and HDL(3) and examines the influence of the drug on the metabolism of the major HDL apoproteins, apolipoproteins A-I (ApoA-I) and A-II (Apo-II). Niacin apolipoprotein A1 Homo sapiens
2 This report describes the effects of pharmacologic doses (3 g/d) of nicotinic acid on the plasma distribution and chemical composition of the high density lipoprotein (HDL) subfractions HDL(2) and HDL(3) and examines the influence of the drug on the metabolism of the major HDL apoproteins, apolipoproteins A-I (ApoA-I) and A-II (Apo-II). Niacin apolipoprotein A1 Homo sapiens
3 In particular, the molar ratio of ApoA-I:ApoA-II in HDL(3) declined from 2.7:1 to 2.1:1 during nicotinic acid treatment.Significant perturbations of ApoA-I and ApoA-II metabolism accompanied the drug-induced HDL subfraction redistribution. Niacin apolipoprotein A1 Homo sapiens
4 In particular, the molar ratio of ApoA-I:ApoA-II in HDL(3) declined from 2.7:1 to 2.1:1 during nicotinic acid treatment.Significant perturbations of ApoA-I and ApoA-II metabolism accompanied the drug-induced HDL subfraction redistribution. Niacin apolipoprotein A1 Homo sapiens
5 These data suggest that the effects of nicotinic acid on the HDL subfraction distribution may be mediated via (a) net transfer of ApoA-I from HDL(3) to HDL(2) and (b) a reduction in ApoA-II synthesis. Niacin apolipoprotein A1 Homo sapiens