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Immunological distinction between acetylcholine receptor and the alpha-bungarotoxin-binding component on sympathetic neurons.

J Patrick·W B Stallcup
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Abstract

Clone PC12 of a rat sympathetic neuron cell line binds alpha-bungarotoxin and exhibits carbamoylcholine-stimulated uptake of sodium ions. Concentrations of alpha-bungarotoxin that saturate the alpha-bungarotoxin-binding site have no effect on agonist-stimulated sodium uptake. Conversely, antibodies against eel acetylcholine receptor block the agonist-induced sodium flux but fail to recognize the alpha-bungarotoxin-binding component. Detergent extracts of the PC12 clone inhibit the ability of antibody to eel acetylcholine receptor to recognize 125I-alpha-bungarotoxin-acetylcholine receptor complexes derived from muscle. These results distinguish between a ganglionic nicotinic acetylcholine receptor and an alpha-bungarotoxin-binding component on these cells, and provide evidence for antigenic similarities between muscle acetylcholine receptor and ganglionic acetylcholine receptor.

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AcetylcholineBinding SitesBungarotoxinsCell LineNeuronsReceptors, CholinergicSodiumSympathetic Nervous SystemComparative StudyJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.Research Support, U.S. Gov't, P.H.S.

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J Patrick, W B Stallcup. 1977. Immunological distinction between acetylcholine receptor and the alpha-bungarotoxin-binding component on sympathetic neurons.. https://doi.org/10.1073/pnas.74.10.4689

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