Carbohydrate histochemistry of skin glands in the Turkish Angora goat. 1993

W Meyer, and M Sağlam, and A Tanyolaç, and R Schwarz
Institute for Zoology, Veterinary School of Hannover, Germany.

The skin glands of the general body surface of the Turkish Angora goat were studied by means of selected carbohydrate histochemical methods, in particular several PO-lectin procedures. Both gland types exhibited intensive secretion production, irrespective of season and body region. The different histochemical staining procedures demonstrated that glycoconjugates, especially neutral glycoproteins are present in the secretory cells and secretion products of the apocrine glands. The peroxidase (PO)-lectin-procedures indicated the following saccharide residues: alpha-D-mannose, N-acetyl-beta-D-glucosamine, alpha-D-glucose, N-acetyl-D-galactosamine, beta-D-galactose, alpha-D-galactose, and alpha-fucose, including small amounts of N-acetylneuraminic acid and N-glycolylneuraminic acid. Relatively large amounts of glycoconjugates, probably also glycolipids, were found in the peripheral cells and the sebum of the sebaceous glands, exhibiting the following saccharide residues: N-acetyl-D-galactosamine, alpha-fucose, N-acetylneuraminic acid and N-glycolylneuraminic acid. The results obtained are discussed as related to findings from corresponding studies in other mammalian species. The secretory substances present obviously create a clearly alkaline pH milieu within the fleece of the Angora goat. Such conditions are also known to exist, for example, in the Merino sheep fleece.

UI MeSH Term Description Entries
D008297 Male Males
D005260 Female Females
D006001 Glycoconjugates Carbohydrates covalently linked to a nonsugar moiety (lipids or proteins). The major glycoconjugates are glycoproteins, glycopeptides, peptidoglycans, glycolipids, and lipopolysaccharides. (From Biochemical Nomenclature and Related Documents, 2d ed; From Principles of Biochemistry, 2d ed) Glycoconjugate
D006041 Goats Any of numerous agile, hollow-horned RUMINANTS of the genus Capra, in the family Bovidae, closely related to the SHEEP. Capra,Capras,Goat
D006651 Histocytochemistry Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods. Cytochemistry
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001050 Apocrine Glands Large, branched, specialized sweat glands that empty into the upper portion of a HAIR FOLLICLE instead of directly onto the SKIN. Apocrine Gland,Gland, Apocrine,Glands, Apocrine
D012627 Sebaceous Glands Small, sacculated organs found within the DERMIS. Each gland has a single duct that emerges from a cluster of oval alveoli. Each alveolus consists of a transparent BASEMENT MEMBRANE enclosing epithelial cells. The ducts from most sebaceous glands open into a HAIR FOLLICLE, but some open on the general surface of the SKIN. Sebaceous glands secrete SEBUM. Gland, Sebaceous,Glands, Sebaceous,Sebaceous Gland
D014421 Turkey Country in Southeastern Europe and Southwestern Asia bordering the Black Sea, between Bulgaria and Georgia, and bordering the Aegean Sea and the Mediterranean Sea, between Greece and Syria. The capital is Ankara. Turkiye
D037102 Lectins Proteins that share the common characteristic of binding to carbohydrates. Some ANTIBODIES and carbohydrate-metabolizing proteins (ENZYMES) also bind to carbohydrates, however they are not considered lectins. PLANT LECTINS are carbohydrate-binding proteins that have been primarily identified by their hemagglutinating activity (HEMAGGLUTININS). However, a variety of lectins occur in animal species where they serve diverse array of functions through specific carbohydrate recognition. Animal Lectin,Animal Lectins,Isolectins,Lectin,Isolectin,Lectin, Animal,Lectins, Animal

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