Cited by 1,190Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorNeurological disorders and treatments

Dichotomous dopaminergic control of striatal synaptic plasticity

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Shen, Weixing, Flajolet, Marc, Greengard, Paul, Surmeier, D. James·2008·Science

Abstract

At synapses between cortical pyramidal neurons and principal striatal medium spiny neurons (MSNs), postsynaptic D1 and D2 dopamine (DA) receptors are postulated to be necessary for the induction of long-term potentiation and depression, respectively—forms of plasticity thought to underlie associative learning. Because these receptors are restricted to two distinct MSN populations, this postulate demands that synaptic plasticity be unidirectional in each cell type. Using brain slices from DA receptor transgenic mice, we show that this is not the case. Rather, DA plays complementary roles in these two types of MSN to ensure that synaptic plasticity is bidirectional and Hebbian. In models of Parkinson's disease, this system is thrown out of balance, leading to unidirectional changes in plasticity that could underlie network pathology and symptoms.

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  • Larger NMDA currents may enhance the probability of plasticity because NMDA receptors drive spike-timing dependent calcium-dependent potentiation on medium spiny neuron subtypes.

    “Additionally, these synapses display larger NMDA currents which may enhance the probability of plasticity as NMDA receptors drive spike-timing dependent calcium-dependent potentiation on MSN subtypes (50).”
  • Ventral hippocampal to nucleus accumbens synapses display larger NMDA currents.

    “Additionally, these synapses display larger NMDA currents which may enhance the probability of plasticity as NMDA receptors drive spike-timing dependent calcium-dependent potentiation on MSN subtypes (50).”
  • Impaired neuroplasticity under dopamine denervation may give rise to aberrant learning that further impairs automatic motor behavior.

    “which may give rise to an aberrant learning that further impairs automatic motor behavior 45, 46.”

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Authors
Shen, W., Flajolet, M., Greengard, P., & Surmeier, D. J.
Affiliations
Northwestern University (US)
Corresponding author
Surmeier, D. James
Venue
Science
Published
2008-08-08
Volume
321
Issue
5890
Pages
848-851
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1971999279
Cited by
1,190
References
29
Citations by year
2026: 43 · 2025: 53 · 2024: 46 · 2023: 58 · 2022: 59 · 2021: 72 · 2020: 64 · 2019: 61 · 2018: 81 · 2017: 68 · 2016: 65 · 2015: 71 · 2014: 61 · 2013: 69 · 2012: 74
FWCI
35.03
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (MH-074866, P50MH074866)
  • National Institute on Drug Abuse (DA10044, P01DA010044)
  • National Institute of Neurological Disorders and Stroke (NS 34696, R01NS034696, R37NS034696)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
dopamine, striatum, medium spiny neurons, synaptic plasticity, dopamine D1 receptor, dopamine D2 receptor, long-term potentiation, long-term depression, bidirectional plasticity, Hebbian learning, Parkinson's disease
MeSH terms
Animals, Corpus Striatum, Dopamine, Mice, Transgenic, Neurons, Synapses, Signal Transduction, Receptors, Dopamine D1, Receptors, Dopamine D2, Long-Term Potentiation, Glutamic Acid, Parkinsonian Disorders, Long-Term Synaptic Depression, Mice, Cannabinoid Receptor Modulators

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