Cited by 1,885Deep Brain Stimulation and Movement DisordersParkinson's Disease Mechanisms and TreatmentsMotor Control and Adaptation

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Regulation of parkinsonian motor behaviours by optogenetic control of basal ganglia circuitry

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Abstract

Neural circuits of the basal ganglia are critical for motor planning and action selection. Two parallel basal ganglia pathways have been described, and have been proposed to exert opposing influences on motor function. According to this classical model, activation of the 'direct' pathway facilitates movement and activation of the 'indirect' pathway inhibits movement. However, more recent anatomical and functional evidence has called into question the validity of this hypothesis. Because this model has never been empirically tested, the specific function of these circuits in behaving animals remains unknown. Here we report direct activation of basal ganglia circuitry in vivo, using optogenetic control of direct- and indirect-pathway medium spiny projection neurons (MSNs), achieved through Cre-dependent viral expression of channelrhodopsin-2 in the striatum of bacterial artificial chromosome transgenic mice expressing Cre recombinase under control of regulatory elements for the dopamine D1 or D2 receptor. Bilateral excitation of indirect-pathway MSNs elicited a parkinsonian state, distinguished by increased freezing, bradykinesia and decreased locomotor initiations. In contrast, activation of direct-pathway MSNs reduced freezing and increased locomotion. In a mouse model of Parkinson's disease, direct-pathway activation completely rescued deficits in freezing, bradykinesia and locomotor initiation. Taken together, our findings establish a critical role for basal ganglia circuitry in the bidirectional regulation of motor behaviour and indicate that modulation of direct-pathway circuitry may represent an effective therapeutic strategy for ameliorating parkinsonian motor deficits.

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Metadata

Authors
Kravitz, A. V., Freeze, B. S., Parker, P. R. L., Kay, K., Thwin, M. T., Deisseroth, K., & Kreitzer, A. C.
Affiliations
  • Gladstone Institutes (US)
  • Stanford University (US)
Corresponding author
Kreitzer, Anatol C.
Venue
Nature
Published
2010-07
Volume
466
Issue
7306
Pages
622-626
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1971797700
Cited by
1,885
References
28
Citations by year
2026: 76 · 2025: 110 · 2024: 138 · 2023: 110 · 2022: 96 · 2021: 120 · 2020: 118 · 2019: 119 · 2018: 137 · 2017: 133 · 2016: 128 · 2015: 138 · 2014: 133 · 2013: 112 · 2012: 100
FWCI
62.12
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • W. M. Keck Foundation
  • McKnight Foundation
  • National Institutes of Health
  • University of California, San Francisco
  • National Institute of Neurological Disorders and Stroke (R01NS064984)
Topics
  • Health Sciences › Medicine › Clinical Neurology › Deep Brain Stimulation and Movement Disorders
  • Health Sciences › Medicine › Clinical Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
Keywords
basal ganglia, Parkinson's disease, direct pathway, indirect pathway, medium spiny neurons, striatum, optogenetics, channelrhodopsin-2, dopamine D1 receptor, dopamine D2 receptor, locomotion, bradykinesia, freezing behavior, motor control, functional connectivity, mouse model of Parkinson's disease, viral gene expression, Cre recombinase
MeSH terms
Channelrhodopsins, Animals, Basal Ganglia, Disease Models, Animal, Gait, Mice, Transgenic, Models, Neurological, Motor Activity, Neural Pathways, Neurons, Parkinson Disease, Psychomotor Performance, Receptors, Dopamine, Oxidopamine, Neostriatum, Hypokinesia, Integrases, Chromosomes, Artificial, Bacterial, Mice

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