期刊
ARCHIVES OF HISTOLOGY AND CYTOLOGY
卷 64, 期 2, 页码 203-209出版社
INT SOC HISTOLOGY & CYTOLOGY
DOI: 10.1679/aohc.64.203
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The Purkinje cells in the adult cat cerebellar cortex were found to possess proteoglycans proteoglycans which could be stained with our fine cationic iron colloid and Fujita's highly concentrated aldehyde fuchsin, and digested by chondroitinase ABC/keratanase/heparitinase and hyaluronidase. The Purkinje cells are surrounded by some collagenous elements which are stained with Gomori's ammoniacal silver and digested by collagenase, The Purkinje cells also express nerve cell surface glycoproteins which are labeled with lectin Vicia villosa agglutinin and digested by a double treatment with collagenase and endo-alpha-N-acetylgalactosaminidase. Sole digestion by endo-alpha-N-acetylgalactosaminidase never erased the lectin labeling of the nerve cell surface glycoproteins. These findings suggest that the collagenous elements mediate the linkage of the perineuronal proteoglycans to the nerve cell surface glycoproteins. It is presumed that in mice and rats, the perineuronal nets of proteoglycans and nerve cell surface glycoproteins of the Purkinje cells are so thin or coarse that they can not be sufficiently visualized under the light microscope.
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