Cited by 213Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorNicotinic Acetylcholine Receptors Study

An action potential initiation mechanism in distal axons for the control of dopamine release

Open access
Liu, Changliang, Cai, Xintong, Ritzau-Jost, Andreas, Kramer, Paul F., Li, Yulong, Khaliq, Zayd M., Hallermann, Stefan, Kaeser, Pascal S.·2022·Science

Abstract

Information flow in neurons proceeds by integrating inputs in dendrites, generating action potentials near the soma, and releasing neurotransmitters from nerve terminals in the axon. We found that in the striatum, acetylcholine-releasing neurons induce action potential firing in distal dopamine axons. Spontaneous activity of cholinergic neurons produced dopamine release that extended beyond acetylcholine-signaling domains, and traveling action potentials were readily recorded from dopamine axons in response to cholinergic activation. In freely moving mice, dopamine and acetylcholine covaried with movement direction. Local inhibition of nicotinic acetylcholine receptors impaired dopamine dynamics and affected movement. Our findings uncover an endogenous mechanism for action potential initiation independent of somatodendritic integration and establish that this mechanism segregates the control of dopamine signaling between axons and somata.

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  • These axonally induced action potentials can drive DA release in vitro and have been hypothesized to locally control DA release within the striatum.

    “These axonally induced APs are capable of driving DA release in vitro 61 and have been hypothesized to act as a mechanism for local control of DA release within the striatum.[64][65][66][67][68]”

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Authors
Liu, C., Cai, X., Ritzau-Jost, A., Kramer, P. F., Li, Y., Khaliq, Z. M., Hallermann, S., & Kaeser, P. S.
Affiliations
  • Harvard University (US)
  • Carl-Ludwig-Institute of Physiology, Faculty of Medicine, Leipzig University, Leipzig, Germany.
  • National Institutes of Health (US)
  • Peking University (CN)
  • Leipzig University (DE)
Corresponding author
  • Liu, Changliang
  • Kaeser, Pascal S.
Venue
Science
Published
2022-03-25
Volume
375
Issue
6587
Pages
1378-1385
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W4220904128
Cited by
213
References
45
Citations by year
2026: 25 · 2025: 50 · 2024: 56 · 2023: 60 · 2022: 22
FWCI
20.78
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (P30NS072030, R01NS103484, R01NS083898, ZIANS003135)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD105351)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
action potential generation, distal axons, dopamine release, acetylcholine, cholinergic neurons, nicotinic acetylcholine receptors, striatum, spontaneous neuronal activity, movement direction, axonal signaling
MeSH terms
Acetylcholine, Action Potentials, Animals, Axons, Corpus Striatum, Dopamine, Synaptic Transmission, Receptors, Nicotinic, Mice, Cholinergic Neurons

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