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Choline acetyltransferase-like immunoreactivity in small diameter neurones of the rat dorsal root ganglion



Choline acetyltransferase-like immunoreactivity in small diameter neurones of the rat dorsal root ganglion



Neuroscience Letters 1: 17-20



In the rat choline acetyltransferase (ChAT)-like immunoreactivity (ChAT-LI) was demonstrated in the dorsal root ganglion (DRG), in the superficial spinal cord and in the subepithelial layer of the ureter using immunohistochemical techniques. In the LI DRG, 66% of the neurones were ChAT-LI. They did not express neurofilament immunoreactivity (RT97 negative) but could also contain calcitonin gene-related peptide-like immunoreactivity (CGRP-LI). In the superficial spinal cord and in the subepithelial plexus of the ureter - both areas where high numbers of fine afferent fibres have been demonstrated - CGRP-LI and ChAT-LI were co-distributed, indicating that ChAT can be found in the peripheral and central endings of small afferents. The data provide morphological evidence that a substantial proportion of afferent fibres are cholinergic.

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Accession: 008312073

Download citation: RISBibTeXText

PMID: 8570086

DOI: 10.1016/0304-3940(95)11951-r


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