Structures of fucose‐containing ceramide pentasaccharides from the plasma of 
blood group O Le(a−b−) nonsecretors

Pfannschmidt, Gerhard; Peter-Katalinić, Jasna; Kordowicz, Maria; Egge, Heinz; Dabrowski, Janusz; Dabrowski, Ursula; Hanfland, Peter

doi:10.1016/0014-5793(84)81077-7

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Structures of fucose‐containing ceramide pentasaccharides from the plasma of blood group O Le(a−b−) nonsecretors

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Dabrowski, Janusz
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Pfannschmidt, G., Peter-Katalinić, J., Kordowicz, M., Egge, H., Dabrowski, J., Dabrowski, U., et al. (1984). Structures of fucose‐containing ceramide pentasaccharides from the plasma of blood group O Le(a−b−) nonsecretors. FEBS Letters, 174(1), 55-60. doi:10.1016/0014-5793(84)81077-7.

Cite as: https://hdl.handle.net/21.11116/0000-0005-AC1E-9

Abstract

A minor, Lec blood‐group inactive ceramide pentasaccharide double band fraction has been isolated from the plasma of blood group O Le(a−b−) nonsecretors. The two purified glycolipids were analysed by NMR spectroscopy, mass spectrometry and combined gas chromatography‐mass spectrometry. The following structures could be established: GlcNAc(β1 → 3)Gal(β1 → 4)Glc(β1 → 1)Cer (I); Gal(β1 → 4) [Fuc(α1 → 3)]GlcNAc(β1 → 3)Gal(β1 → 4)Glc(β1 → 1)Cer (II). It must be concluded that at least part of the secretor gene‐independent plasmatic H type 2 blood‐group activity can be attributed to glyco‐sphingolipid I, whereas substance II, originally detected in cancerous tissue, also occurs in the plasma of healthy individuals.