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  • Title: Adrenoleukodystrophy brain cholesteryl esters and other neutral lipids.
    Author: Ramsey RB, Banik NL, Davison AN.
    Journal: J Neurol Sci; 1979 Feb; 40(2-3):189-96. PubMed ID: 430102.
    Abstract:
    Further examination of the neutral lipid fractions derived from brain tissue of two patients afflicted with adrenoleukodystrophy has demonstrated the presence not only of free cholesterol and cholesteryl ester, but also of appreciable free fatty acid and triglyceride. Using a gas--liquid chromatographic system normally employed for the analysis of long-chain fatty acids of galactolipids and spingomyelin, it was possible to establish the presence of long-chain (greater than C20) fatty acids in the cholesteryl ester, free fatty acid and triglyceride fractions. Long-chain fatty acids were most abundant in the cholesteryl esters. Fatty acids identified by gas--liquid chromatography and gas chromatography--mass spectroscopy included normal saturated and monounsaturated fatty acids as large as C34. Several unknown fatty acyl compounds, of as yet undetermined structure, were also observed. All investigations thus far would indicate that the pathogenesis of adrenoleukodystrophy is closely related to the aberrant metabolism of these long-chain fatty acids.
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