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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 73 (1987), S. 177-180 
    ISSN: 1432-0533
    Keywords: Lectins ; Polyglucosan bodies ; Dog
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Lectin histochemistry was investigated to identify sugar residues of the polyglucosan bodies of canine brain, spinal cord and caecum. The polyglucosan bodies in the brain and spinal cord stained with concanavalin A (ConA) but not with soybean agglutinin, wheat germ agglutinin, peanut agglutinin,Dolichos biflorus agglutinin,Ricinus communis agglutinin andUlex europaeus agglutinin. Caecum, polyglucosan bodies, however, did not stain with any of the seven lectins employed. After periodate oxidation, paradoxical ConA staining was observed in the polyglucosan bodies of the brain, spinal cord and caecum. These results indicate that polyglucosan bodies contain mannose and glucose residues and suggest that the component of polyglucosan bodies is partially derived from rough endoplasmic reticulum, the Golgi apparatus and hypolemmal cisternae.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-069X
    Keywords: Hair ; Connective tissue sheath ; Alpha-Smooth muscle actin ; Immunohistochemistry ; Immunoelectron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Immunohistochemical and immunoelectron microscopy studies revealed the presence of α-smooth muscle (α-SM) actin in fibroblasts located in the connective tissue sheath (CTS) of human anagen hair follicles. Immunostaining was positive from the base of the bulb to the upper part of the lower portion of the mature anagen hair follicles. The late catagen hair follicles did not stain. Ultrastructurally, α-SM actin was detected only in the fibroblasts located in the innermost layer of the transverse collagenous fibres. Since α-SM actin is located in cells with contractile potential, this newly identified layer may play an important role in the morphological changes of the lower portion of the hair follicle during the hair growth cycle.
    Type of Medium: Electronic Resource
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