1. The effects of platelet-activating factor (1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphocholine; PAF) on hepatic metabolism in vivo in rats were studied. 2. PAF stimulated synthesis of hepatic lipid (saponified and non-saponified) in a dose-dependent fashion and caused hypertriglyceridaemia. There was no effect of PAF on lipogenesis in isolated hepatocytes. 3. High doses of PAF also decreased hepatic glycogen. 4. All doses of PAF decreased plasma insulin, and this was accompanied by hyperglycaemia, except at the lowest dose. 5. The selective PAF-receptor antagonist L659.989 prevented the stimulation of lipogenesis, but indomethacin did not.
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© 1990 London: The Biochemical Society
1990
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