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  • Title: Cerebellar metabolism of phosphatidylethanolamine and its water-soluble precursors during bicuculline-induced convulsive seizures.
    Author: Marku N, Corazzi L, Piccinin GL, Arienti G.
    Journal: Neurochem Res; 1987 Apr; 12(4):341-4. PubMed ID: 3600961.
    Abstract:
    The incorporation of labeled ethanolamine into phosphatidylethanolamine (PE) and its water-soluble precursors, phosphoethanolamine and CDP-ethanolamine, is measured in rat cerebella during the course of bicuculline-induced convulsive seizures. The labeling of CDP-ethanolamine and phosphoethanolamine diminishes 6 min after the administration of both bicuculline and radioactive ethanolamine whereas that of PE is unaffected in these conditions. Time is very important to this effect; indeed, no differences of the labeling of PE water-soluble precursors can be found in rat cerebellum of normal and convulsing animals 12 min after the administration. The cerebellar pool of CDP-ethanolamine doubles after 6 min of convulsions, which means that unlabeled CDP-ethanolamine forms from a non-radioactive source, such as lipid, may be through the reversal of the ethanolamine phosphotransferase reaction. This effect disappears 12 min after the injection of the convulsant.
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