Cited by 188Motor Control and AdaptationNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

The DOI matches its Crossref record; 81 of the 81 references it cites were found in a registry or an index.

Graded Arrays of Spinal and Supraspinal V2a Interneuron Subtypes Underlie Forelimb and Hindlimb Motor Control

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Abstract

The spinal cord contains neural networks that enable regionally distinct motor outputs along the body axis. Nevertheless, it remains unclear how segment-specific motor computations are processed because the cardinal interneuron classes that control motor neurons appear uniform at each level of the spinal cord. V2a interneurons are essential to both forelimb and hindlimb movements, and here we identify two major types that emerge during development: type I neurons marked by high Chx10 form recurrent networks with neighboring spinal neurons and type II neurons that downregulate Chx10 and project to supraspinal structures. Types I and II V2a interneurons are arrayed in counter-gradients, and this network activates different patterns of motor output at cervical and lumbar levels. Single-cell RNA sequencing (RNA-seq) revealed type I and II V2a neurons are each comprised of multiple subtypes. Our findings uncover a molecular and anatomical organization of V2a interneurons reminiscent of the orderly way motor neurons are divided into columns and pools.

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Crossref · 10.1016/j.neuron.2018.01.023

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Metadata

Authors
Hayashi, M., Hinckley, C. A., Driscoll, S. P., Moore, N. J., Levine, A. J., Hilde, K. L., Sharma, K., & Pfaff, S. L.
Affiliations
  • Salk Institute for Biological Studies (US)
  • University of Illinois Chicago (US)
Corresponding author
Pfaff, Samuel L.
Venue
Neuron
Publisher
Elsevier BV
Published
2018-02
Volume
97
Issue
4
Pages
869-884.e5
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2785626601
Cited by
188
References
81
Citations by year
2026: 14 · 2025: 16 · 2024: 28 · 2023: 35 · 2022: 24 · 2021: 20 · 2020: 14 · 2019: 26 · 2018: 11
FWCI
10.56
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH-NCI CCSG (P30 014195)
  • NINDS R24 Core Grant
  • NEI
  • Chapman Foundation
  • Helmsley Charitable Trust
  • Japanese Ministry of Education, Culture, Sports, Science, and Technology Long-Term Student Support Program
  • Timken-Sturgis Foundation
  • NIH NINDS
  • George E. Hewitt Foundation for Medical Research
  • Christopher and Dana Reeve Foundation
  • NSF
  • Howard Hughes Medical Institute
  • Sol Goldman Charitable Trust
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
V2a interneurons, spinal interneurons, Chx10, interneuron subtypes, interneuron development, motor pools, single-cell RNA sequencing
MeSH terms
Animals, Female, Forelimb, Hindlimb, Interneurons, Lumbosacral Region, Male, Mice, Inbred C57BL, Motor Neurons, Movement, Neural Pathways, Spinal Cord, Transcription Factors, Homeodomain Proteins, Cervical Cord

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