Vesicular and synaptoplasmic synthesis of acetylcholine

A. Kaita Ritchie, Alan M. Goldberg

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


The synthesis and distribution of acetylcholine has been studied in the isolated synaptosome. Binding or contamination of [14C]acetylcholine in the synaptic vesicle fraction represents 1.5 percent of the total amount found in the synaptoplasm (synaptosomal cytoplasm). However, when the [ 14C]acetylcholine is derived solely by synthesis from labeled choline, then the labeled acetylcholine in the synaptic vesicle is 15 percent of the amount of acetylcholine synthesized in the synaptoplasm. The results suggest that the [14C]acetylcholine found in the vesicle fraction of synaptosomes incubated with labeled choline is due to vesicular synthesis.

Original languageEnglish (US)
Pages (from-to)489-490
Number of pages2
Issue number3944
StatePublished - Jan 1 1970

ASJC Scopus subject areas

  • General


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