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  • Title: Comparative study of the glycosphingolipids of chicken bursa of Fabricius and of chicken, rat and human thymus.
    Author: Narasimhan R, Murray RK.
    Journal: Biochem J; 1978 Aug 01; 173(2):475-82. PubMed ID: 697731.
    Abstract:
    1. The glycosphingolipid compositions of the thymus and bursa of Fabricius of young male chickens were compared. The two tissues were found to contain complex mixtures of both neutral glycosphingolipids and gangliosides. Both tissues contained mono-, di-, tri-, tetra- and penta-glycosylceramides; the pentaglycosylceramide displayed a reaction of identity with authentic Forssman antigen when tested against a specific anti-(Forssman antigen) serum. The ganglioside G(m3) containing N-acetylneuraminic acid was the principle ganglioside of both tissues. 2. The thymus contained appreciable amounts of the simple ganglioside N-acetylneuraminylgalactosylceramide, a compound not found in the bursa. The ganglioside G(d3) (disialohaematoside) was detected in both tissues. 3. Rat and human thymus, like sheep thymus (Narasimhan, Hay, Greaves & Murray (1976) Biochim, Biophys. Acta 431, 578-591), both contained a tetraglycosylceramide species as their most complex neutral glycosphingolipid and possessed little or no Forssman antigen. They also contained a complex mixture of gangliosides. 4. The possible significance of these results is briefly discussed.
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