Immunohistochemical localization of choline acetyl-transferase in the human cerebellum |
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Authors: | K-S Karen Kan Li-Pen Chao Lysia S Forno |
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Abstract: | Guinea pig antiserum specific to purified bovine choline acetyltransferase was found to cross-react with human enzyme. The peroxidase-antiperoxidase immunohistochemical method was then used to demonstrate the localization of choline acetyltransferase in formalin-fixed and paraffin-embedded human cerebellum from normal as well as from Huntington's disease brains. Choline acetyltransferase was localized exclusively in the mossy fibers and the glomeruli of the cerebellar folia. These immunohistochemical findings reveal the distribution of cholinergic axons and their terminals. The results are not only similar to our previous studies using the same method on the localization of choline acetyltansferase in rabbit cerebellum, but also de onstrate that some mossy fibers are cholinergic as suggested by others. |
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Keywords: | choline acetyltransferase cholinergic system cerebellum mossy fibers |
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