Cited by 56Developmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanismsSingle-cell and spatial transcriptomics

Molecular Logic of Spinocerebellar Tract Neuron Diversity and Connectivity

Open access
Baek, Myungin, Menon, Vilas, Jessell, Thomas M., Hantman, Adam W., Dasen, Jeremy S.·2019·Cell Reports

Published version of a preprint

Abstract

Coordinated motor behaviors depend on feedback communication between peripheral sensory systems and central circuits in the brain and spinal cord. Relay of muscle- and tendon-derived sensory information to the CNS is facilitated by functionally and anatomically diverse groups of spinocerebellar tract neurons (SCTNs), but the molecular logic by which SCTN diversity and connectivity is achieved is poorly understood. We used single-cell RNA sequencing and genetic manipulations to define the mechanisms governing the molecular profile and organization of SCTN subtypes. We found that SCTNs relaying proprioceptive sensory information from limb and axial muscles are generated through segmentally restricted actions of specific Hox genes. Loss of Hox function disrupts SCTN-subtype-specific transcriptional programs, leading to defects in the connections between proprioceptive sensory neurons, SCTNs, and the cerebellum. These results indicate that Hox-dependent genetic programs play essential roles in the assembly of neural circuits necessary for communication between the brain and spinal cord.

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Crossref · 10.1016/j.celrep.2019.04.113

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  • The merged dataset contains over one hundred thousand cells and nuclei from the first six published studies of the postnatal mouse spinal cord.

    “We first created a merged dataset with over one hundred thousand cells and nuclei from the first six published studies of the postnatal mouse spinal cord1–6.”

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  1. Matsushita M, and Gao X (1997). Projections from the thoracic cord to the cerebellar nuclei in the rat, studied by anterograde axonal tracing. J. Comp. Neurol 386, 409– 421. 9303426

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Authors
Baek, M., Menon, V., Jessell, T. M., Hantman, A. W., & Dasen, J. S.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Columbia University Irving Medical Center (US)
  • NYU Langone Health (US)
Corresponding author
  • Hantman, Adam W.
  • Dasen, Jeremy S.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2019-05
Volume
27
Issue
9
Pages
2620-2635.e4
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2951960082
Cited by
56
References
55
Citations by year
2026: 7 · 2025: 5 · 2024: 7 · 2023: 10 · 2022: 10 · 2021: 9 · 2020: 7 · 2019: 1
FWCI
2.23
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
Hox genes, proprioception, sensory neuron subtypes, cerebellum, spinal cord, neural circuit assembly, transcriptional programs, single-cell RNA sequencing
MeSH terms
Animals, Female, Gene Expression Regulation, Male, Motor Neurons, Nerve Net, Sensory Receptor Cells, Mice, Knockout, Homeodomain Proteins, Spinocerebellar Tracts, Gene Expression Profiling

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