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  • Title: Characterization and regional distribution of individual gangliosides in goldfish central nervous system.
    Author: Tanaka T, Arai Y, Kishimoto Y.
    Journal: J Neurochem; 1989 Jun; 52(6):1931-6. PubMed ID: 2723647.
    Abstract:
    Gangliosides were partially purified from goldfish brain and fractionated by DEAE Fractogel column chromatography. Each fraction was then analyzed by HPTLC and also by HPLC after conversion of the gangliosides to 2,4-dinitrophenylhydrazides. The tetrasialoganglioside GQ1c was found to constitute more than 50% of the total gangliosides. Gangliosides in smaller quantities were also tentatively identified. These included GT1b, GT1c, GT2, GT3, GD1a, and several others. By using this information, the amounts of individual gangliosides in various regions of goldfish central nervous system were compared. Although all areas of brain examined contained similar concentrations of gangliosides, with GQ1c as the predominant component, retina and optic nerve contained significantly lower concentrations of GQ1c, and GM3 was the major component.
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