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  • Title: Effects of cholestyramine feeding on tissue lipase activities and plasma fatty acids in the pregnant rat.
    Author: Haave NC, Innis SM.
    Journal: J Dev Physiol; 1989 Jul; 12(1):11-4. PubMed ID: 2614036.
    Abstract:
    Rats fed a non-absorbable bile acid binding resin (cholestyramine) throughout gestation had decreased activities of adipose tissue lipoprotein lipase (LPL), hepatic triacylglycerol lipase and a heparin-releasable placental lipase distinct from LPL, when assayed at near-term gestation. The fetal plasma and liver triacylglycerol concentrations were not altered. The fetal liver total lipid and plasma triacylglycerol, however, had reduced levels of n-6 and n-3 series fatty acids, suggesting decreased availability of maternal dietary-derived essential fatty acids. These studies suggest that cholestyramine feeding may alter triacylglycerol flux and the quantity or type of maternal fatty acids available for placental transfer. The resin has application for in vivo study of the effects of maternal lipid transfer on the regulation of fetal hepatic lipid synthesis.
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