Cited by 158Nicotinic Acetylcholine Receptors StudyNeuroscience and Neuropharmacology ResearchSmoking Behavior and Cessation

Nicotinic agonists stimulate acetylcholine release from mouse interpeduncular nucleus: a function mediated by a different nAChR than dopamine release from striatum

Grady, Sharon R., Meinerz, Natalie M., Cao, Jian, Reynolds, Andrew M., Picciotto, Marina R., Changeux, Jean‐Pierre, McIntosh, J. Michael, Marks, Michael J. +1 more·2001·Journal of Neurochemistry

Abstract

Acetylcholine release stimulated by nicotinic agonists was measured as radioactivity released from perfused synaptosomes prepared from mouse interpeduncular nucleus (IPN) that had been loaded with [(3)H]choline. Agonist-stimulated release was dependent upon external calcium and over 90% of released radioactivity was acetylcholine. The release process was characterized by dose response curves for 13 agonists and inhibition curves for six antagonists. alpha-Conotoxin MII did not inhibit this release, while alpha-conotoxin AuIB inhibited 50% of agonist-stimulated release. Comparison of this process with [(3)H]dopamine release from mouse striatal synaptosomes indicated that different forms of nicotinic acetylcholine receptors (nAChRs) may mediate these processes. This was confirmed by assays using mice homozygous for the beta 2 subunit null mutation. The deletion of the beta 2 subunit had no effect on agonist-stimulated acetylcholine release, but abolished agonist-stimulated release of dopamine from striatal synaptosomes. Mice heterozygous for the beta 2 subunit null mutation showed decreased dopamine release evoked by L-nicotine with no apparent change in EC(50) value, as well as similar decreases in both transient and persistent phases of release with no changes in desensitization rates.

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Crossref · 10.1046/j.1471-4159.2001.00019.x

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47 of 47 references verified0 citation errors · 0 not checkable

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  • Knockout of the β2 subunit abolishes nicotine-mediated DA release, nicotine-induced locomotor activation, nicotine self-administration, and nicotine place preference.

    “Knockout of the β2 subunit abolishes nicotine-mediated DA release (Picciotto et al. 1998;Grady et al. 2001), nicotine-induced locomotor activation (King et al. 2004), nicotine selfadministration (Picciotto et al. 1998;Maskos et al. 2005), and nicotine place preference (Walters et al. 2006;Brunzell et al. 2009;Mineur et al. 2009a).”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Grady et al. 2001

  • Nicotinic modulation of neurotransmitter release is often subtype-specific and this specificity can vary across brain areas.

    “Nicotinic modulation of neurotransmitter release is often subtype-specific and this specificity can vary across brain areas, with distinct nAChRs coupling to release of glutamate (α7) vs. GABA (α4β2*) (Mansvelder et al., 2002) or DA (α4/α6β2*) vs. ACh (α3β4*) (Grady et al., 2001) in the VTA, while β2* nAChRs can modulate the release of glutamate from thalamo-cortical projections (Parikh et al., 20”

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Authors
Grady, S. R., Meinerz, N. M., Cao, J., Reynolds, A. M., Picciotto, M. R., Changeux, J., McIntosh, J. M., Marks, M. J., & Collins, A. C.
Affiliations
  • University of Colorado Boulder (US)
  • Yale University (US)
  • Centre National de la Recherche Scientifique (FR)
  • University of Utah (US)
Corresponding author
Collins, Allan C.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2001-01
Volume
76
Issue
1
Pages
258-268
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1515685619
Cited by
156
References
48
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 2 · 2014: 11 · 2013: 3 · 2012: 7
FWCI
4.54
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Mental Health (MH53631)
  • National Institute on Drug Abuse (DA 03194, R01DA003194, R01DA012242, DA12242)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
Keywords
nicotinic acetylcholine receptors, acetylcholine release, interpeduncular nucleus, dopamine release, striatum, alpha-conotoxin MII, nicotinic agonists, calcium-dependent release, receptor desensitization, synaptosomes
MeSH terms
Quinolizidine Alkaloids, Acetylcholine, Alkaloids, Animals, Azocines, Calcium, Choline, Corpus Striatum, Dopamine, Dose-Response Relationship, Drug, Female, Heterozygote, Homozygote, Male, Mesencephalon, Mice, Inbred C57BL, Mice, Mutant Strains, Quinolizines, Receptors, Nicotinic, Synaptosomes, Presynaptic Terminals, Nicotinic Agonists, Nicotinic Antagonists, Conotoxins, Protein Subunits, Mice

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