Crossref journal-article
Wiley
Acta Physiologica Scandinavica (311)
Abstract

Release of 3H‐ACh from isolated nerve endings of rat hippocampus was evoked by incubation in Krebs‐Ringer's buffer containing 25 or 35 mM potassium. The release was Ca2+‐dependent and could be inhibited by Mg2+ (20 mM). The muscarinic antagonist, atropine (10‐10–10‐6 M), enhanced 3H‐ACh‐release. The muscarinic agonist, carbachol (10‐5–10‐3 M) inhibited 3H‐ACh release via interaction with muscarinic receptors: this effect could be blocked by atropine (10‐6 M). The presence of the feed‐back regulation of 3H‐ACh release in a cell‐free preparation provides further evidence that the presynaptic regulation is exerted by muscarinic autoreceptors localized on the cholinergic nerve ending itself. The feed back inhibition of the 3H‐ACh release does not require the presence of intact neurons or neuronal loops as tetrodotoxin (2.5. 10‐6 M) does not affect the above results.

Authors 2
  1. Ö. NORDSTRÖM (first)
  2. T. BARTFAI (additional)
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Dates
Type When
Created 16 years, 8 months ago (Dec. 9, 2008, 7:53 a.m.)
Deposited 1 year, 9 months ago (Nov. 11, 2023, 8:44 a.m.)
Indexed 8 hours, 33 minutes ago (Sept. 4, 2025, 10:03 a.m.)
Issued 45 years, 5 months ago (April 1, 1980)
Published 45 years, 5 months ago (April 1, 1980)
Published Online 16 years, 8 months ago (Dec. 8, 2008)
Published Print 45 years, 5 months ago (April 1, 1980)
Funders 0

None

@article{NORDSTR_M_1980, title={Muscarinic autoreceptor regulates acetylcholine release in rat hippocampus: in vitro evidence}, volume={108}, ISSN={1365-201X}, url={http://dx.doi.org/10.1111/j.1748-1716.1980.tb06543.x}, DOI={10.1111/j.1748-1716.1980.tb06543.x}, number={4}, journal={Acta Physiologica Scandinavica}, publisher={Wiley}, author={NORDSTRÖM, Ö. and BARTFAI, T.}, year={1980}, month=apr, pages={347–353} }