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  • Title: [A method of selective histochemical analysis of sialoglycoproteins using lectins from elder (Sambucus nigra L.)].
    Author: Iatskovskiĭ AN, Lutsik AD.
    Journal: Biull Eksp Biol Med; 1991 Jan; 111(1):71-4. PubMed ID: 1711385.
    Abstract:
    Good potentialities in application of elderberry (Sambucus nigra L.) bark lectin for selective histochemical identification of sialylated glycoconjugates has been demonstrated using lectin-peroxidase technique. In order to omit this lectin binding to D-galactose and N-acetyl-D-galactosamine residues, preincubation of tissue sections with non-marked PNA and SBA (or other lectins with similar carbohydrate specificity) is proposed. By means of neuraminidase digestion it has been ascertained, that oligosaccharide chains of secretory glycopolymers, synthesised in ovine submandibular gland mucocytes, contain DGal and DGalNAc residues penultimate to terminal sialic acids.
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