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  • Title: [Comparative study of the fatty acid composition of glycerophosphatides from whole vertebrate brain and portions of it].
    Author: Rote T.
    Journal: Zh Evol Biokhim Fiziol; 1978; 14(6):520-5. PubMed ID: 216195.
    Abstract:
    Fatty acids of phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine and monophosphoinositide were studied in the whole brain, in the forebrain and the brain stem in the frog Rana temporaria, tortoise Emys orbicularis, hen and cat. Every family of phospholipids (PL) possesses a characteristic fatty acid pattern irrespectively of the brain part. There are regular topologic differences in the fatty acid composition of PL, namely the relative amount of saturated and polyenoic acids is higher and that of monoenoic acids lower in the forebrain as compared to the brain stem. The increase in the relative size of the forebrain, occurring in the evolution of vertebrate brain, exerts a definite influence on the fatty acid composition of the total brain. Nevertheless this increase in the size of the forebrain does not solely determine the fatty acid composition of the total brain. Similar changes are occurring in all brain parts: the relative amount of saturated fatty acids of PL is increasing and that of unsaturated acids decreasing. The evolutionary deductions derived from the biochemical study of the total brain find confirmation in the investigation of the brain parts.
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