Prostaglandin E1 effects on ethanol metabolism in the rat

Lalyre, Yolanda; Scruggs, William; Wilson, David

doi:10.1016/s0090-6980(74)80058-4

Cited by 8 publications

(1 citation statement)

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“…In support of that assertion, there was a report morphologically proving that PG protects the cat’s liver from damage by hypoxia 33 ) . Also, Lalyre et al 34 ) asserted that PG does not have a direct influence on ethanol metabolism. PG acts as cytoprotection for the liver and promotes DNA synthesis and an increase in cell count.…”

Section: Discussionmentioning

confidence: 99%

Effects of Prostaglandins on Ethanol Damage in Primary Cultured Rat Hepatocytes

Yang¹,

Choi²,

Kim³

et al. 1998

Korean J Intern Med

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ObjectivesSeveral reports demonstrated that ethanol administration impairs the DNA synthesis in rat hepatocytes. Also, It has been demonstrated that prostaglandin (PG) helps prevent membrane damage by hepatotoxic chemicals, in this study, the authors examined PG’s effects on the toxicity of ethanol in the primary culture of rat regenerations.MethodsWe examined two kinds of parameters, i.e., DNA synthesis and lipid peroxidation in the primary culture of rat hepatocytes. Hepatocytes were isolated by the collagenase perfusion method. The rate of DNA synthesis was determined by pulse-labelling cultured cells with [3H]-thymidine. Incorporation of [3H]-thymidine was determined by liquid scintillation spectrophotometer. DNA content was measured by the fluorescence spectrophotometer. The lipid peroxidation was assayed with spectrophotometer.ResultsThe results were as follows: 1) PG family (PGA1, PGD2, PGE1, PGE2, PGG2a, PGI2 & Thromboxane B2) stimulated the DNA synthesis of hepatocytes (especially PGD2 and PGE1), 2) ethanol decreased DNA synthesis by clear dose-dependent manner, 3) the combined treatment of PGD2 or PGE1, prevents the decreasing of DNA synthesis, which was induced by ethanol, 4) in ethanol treatment, lipid peroxidation was decreased significantly, but PGD2, PGE1 and PGA1 were not affected, and 5) PGD2, PGE1 and PGA1 decreased lipid peroxidation with ethanol, significantly.ConclusionsFrom these results, we concluded that PG could be useful for the treatment of degenerative liver disease and alcohol-induced liver disease in the assumption that further studies on the action mechanims of PG will continue.

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Section: Discussionmentioning

confidence: 99%