LIPIDS OF ISOLATED NEURONS

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Abstract
Lipids were extracted from neurons isolated from the lateral vestibular nucleus of ox (Bos taurus L.) and the ganglia of Aplysia punctata Cuvier. Thin-layer chromatography of ox-neuron lipid revealed 3 major fractions corresponding to neutral lipid, phosphatidylethanolamine and phos-phatidylserine. Part of the phosphatidylethanolamine was present as the plasmalogen. Aplysia-neuron lipid contained neutral lipid, phosphatidylethanolamine and phosphatidylserine. Both phospholipids appeared to be present predominantly as the plasmalogen form. The fatty acids of alkali-labile lipids of ox neurons were examined by gas-liquid chromatography. The major fatty acids were oleic acid, stearic acid and palmitic acid.