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  • Title: Effect of alcohol on platelet-activating factor acetylhydrolase activity in pregnant and nonpregnant mice.
    Author: Saleh AA, Church MW, Johnston JM.
    Journal: Alcohol Clin Exp Res; 1994 Aug; 18(4):1009-12. PubMed ID: 7978079.
    Abstract:
    Platelet-activating factor (PAF) induces platelet aggregation and hypotension. It has been implicated in embryonic implantation, fetal lung maturation, and parturition. Alcohol abuse is associated with platelet dysfunction, chronic hypertension, and alcohol-related birth defects. We hypothesized that alcohol may cause, in part, these effects by increasing the activity of PAF-acetylhydrolase (PAF-AH), thereby decreasing PAF concentration. Pregnant mice were given 3.5 g/kg of alcohol orally twice daily from gestation days 7-17. PAF-AH was measured on gestation days 5, 14, and 19 in pregnant females. Nonpregnant females were treated and sampled at parallel time intervals. Pair-fed and untreated control groups were also used. The maternal plasma PAF-AH decreased with gestational age in the untreated controls. Alcohol significantly increased PAF-AH levels in both the pregnant and nonpregnant animals. PAF deficiency might contribute to the tocolytic action of alcohol, as well as some alcohol-related pregnancy complications.
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