Cited by 766Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchMemory and Neural Mechanisms

Projection-specific modulation of dopamine neuron synapses by aversive and rewarding stimuli

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Lammel, Stephan, Ion, Daniela I., Roeper, Jochen, Malenka, Robert C.·2011·Neuron

Abstract

Midbrain dopamine (DA) neurons are not homogeneous but differ in their molecular properties and responses to external stimuli. We examined whether the modulation of excitatory synapses on DA neurons by rewarding or aversive stimuli depends on the brain area to which these DA neurons project. We identified DA neuron subpopulations in slices after injection of "Retrobeads" into single target areas of adult mice and found differences in basal synaptic properties. Administration of cocaine selectively modified excitatory synapses on DA cells projecting to nucleus accumbens (NAc) medial shell while an aversive stimulus selectively modified synapses on DA cells projecting to medial prefrontal cortex. In contrast, synapses on DA neurons projecting to NAc lateral shell were modified by both rewarding and aversive stimuli, which presumably reflects saliency. These results suggest that the mesocorticolimbic DA system may be comprised of three anatomically distinct circuits, each modified by distinct aspects of motivationally relevant stimuli.

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Crossref · 10.1016/j.neuron.2011.03.025

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Authors
Lammel, S., Ion, D. I., Roeper, J., & Malenka, R. C.
Affiliations
  • Stanford Medicine (US)
  • Goethe University Frankfurt (DE)
Corresponding author
Malenka, Robert C.
Venue
Neuron
Publisher
Elsevier BV
Published
2011-06
Volume
70
Issue
5
Pages
855-862
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1998939463
Cited by
766
References
68
Citations by year
2026: 30 · 2025: 36 · 2024: 46 · 2023: 48 · 2022: 52 · 2021: 44 · 2020: 44 · 2019: 55 · 2018: 63 · 2017: 57 · 2016: 54 · 2015: 60 · 2014: 64 · 2013: 52 · 2012: 43
FWCI
23.30
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Drug Abuse (P01DA008227)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
midbrain dopaminergic neurons, excitatory synapses, synaptic modulation, aversive stimuli, nucleus accumbens, medial prefrontal cortex, cocaine, salience, mesocorticolimbic system, motivation
MeSH terms
Analysis of Variance, Animals, Bicuculline, Biotin, Cerebral Cortex, Cocaine, Dopamine, Drug Administration Schedule, Electric Stimulation, Male, Mesencephalon, Mice, Inbred C57BL, Mice, Transgenic, Neural Pathways, Neurons, Reward, Substantia Nigra, Synapses, Tyrosine 3-Monooxygenase, 2-Amino-5-phosphonovalerate, Patch-Clamp Techniques, Excitatory Amino Acid Antagonists, Dopamine Uptake Inhibitors, Green Fluorescent Proteins, Mice, Inhibitory Postsynaptic Potentials, GABA-A Receptor Antagonists, In Vitro Techniques

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