Distribution of binding sites for 125I-labeled alpha-bungarotoxin in normal and deafferented antennal lobes of Manduca sexta
- PMID: 284367
- PMCID: PMC382969
- DOI: 10.1073/pnas.76.1.499
Distribution of binding sites for 125I-labeled alpha-bungarotoxin in normal and deafferented antennal lobes of Manduca sexta
Abstract
125I-Labeled alpha-bungarotoxin has been used to determine the distribution of putative acetylcholine receptors in normal and chronically deafferented antennal lobes in the brain of the moth Manduca sexta. Toxin-binding sites are confined to synaptic regions in deafferented lobes. These findings suggest that receptors can develop in the insect central nervous system independently of normal synaptic influences.
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