Cited by 263Neuroscience and Neuropharmacology ResearchDevelopmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanisms

Spinal inhibitory interneuron diversity delineates variant motor microcircuits

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Bikoff, Jay B., Gabitto, Mariano I., Rivard, Andre F., Drobac, Estelle, Machado, Timothy A., Miri, Andrew, Brenner-Morton, Susan, Famojure, Erica +4 more·2016·Cell

Abstract

Animals generate movement by engaging spinal circuits that direct precise sequences of muscle contraction, but the identity and organizational logic of local interneurons that lie at the core of these circuits remain unresolved. Here, we show that V1 interneurons, a major inhibitory population that controls motor output, fractionate into highly diverse subsets on the basis of the expression of 19 transcription factors. Transcriptionally defined V1 subsets exhibit distinct physiological signatures and highly structured spatial distributions with mediolateral and dorsoventral positional biases. These positional distinctions constrain patterns of input from sensory and motor neurons and, as such, suggest that interneuron position is a determinant of microcircuit organization. Moreover, V1 diversity indicates that different inhibitory microcircuits exist for motor pools controlling hip, ankle, and foot muscles, revealing a variable circuit architecture for interneurons that control limb movement.

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Crossref · 10.1016/j.cell.2016.01.027

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Authors
Bikoff, J. B., Gabitto, M. I., Rivard, A. F., Drobac, E., Machado, T. A., Miri, A., Brenner-Morton, S., Famojure, E., Diaz, C., Alvarez, F. J., Mentis, G. Z., & Jessell, T. M.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Emory University (US)
  • Columbia University Irving Medical Center (US)
Corresponding author
  • Bikoff, Jay B.
  • Jessell, Thomas M.
Venue
Cell
Publisher
Elsevier BV
Published
2016-03
Volume
165
Issue
1
Pages
207-219
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2290082869
Cited by
262
References
50
Citations by year
2026: 20 · 2025: 14 · 2024: 25 · 2023: 17 · 2022: 32 · 2021: 32 · 2020: 24 · 2019: 37 · 2018: 28 · 2017: 18 · 2016: 15
FWCI
18.32
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH-NINDS (R01-NS047357)
  • NIH (R01-NS078375, R21-NS079981, R01-NS033245)
  • Department of Defense (GR.10235006)
  • Brain Research Foundation
  • Harold and Leila Y. Mathers Foundation
  • Project A.L.S.
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
interneuron diversity, transcription factors, motor pools, spinal cord circuits
MeSH terms
Animals, Extremities, Movement, Proprioception, Spinal Cord, Transcription Factors, Mice, Transcriptome, Renshaw Cells

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