Cited by 25Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationPluripotent Stem Cells Research

Subtype diversification and synaptic specificity of stem cell-derived spinal interneurons

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Hoang, Phuong T., Chalif, Joshua I., Bikoff, Jay B., Jessell, Thomas M., Mentis, George Z., Wichterle, Hynek·2018·Neuron

Abstract

Neuronal diversification is a fundamental step in the construction of functional neural circuits, but how neurons generated from single progenitor domains acquire diverse subtype identities remains poorly understood. Here we developed an embryonic stem cell (ESC)-based system to model subtype diversification of V1 interneurons, a class of spinal neurons comprising four clades collectively containing dozens of molecularly distinct neuronal subtypes. We demonstrate that V1 subtype diversity can be modified by extrinsic signals. Inhibition of Notch and activation of retinoid signaling results in a switch to MafA clade identity and enriches differentiation of Renshaw cells, a specialized MafA subtype that mediates recurrent inhibition of spinal motor neurons. We show that Renshaw cells are intrinsically programmed to migrate to species-specific laminae upon transplantation and to form subtype-specific synapses with motor neurons. Our results demonstrate that stem cell-derived neuronal subtypes can be used to investigate mechanisms underlying neuronal subtype specification and circuit assembly.

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Authors
Hoang, P. T., Chalif, J. I., Bikoff, J. B., Jessell, T. M., Mentis, G. Z., & Wichterle, H.
Affiliations
  • Columbia University Irving Medical Center (US)
  • St. Jude Children's Research Hospital (US)
Corresponding author
Wichterle, Hynek
Venue
Neuron
Publisher
Elsevier BV
Published
2018-10
Volume
100
Issue
1
Pages
135-149.e7
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2896423589
Cited by
25
References
99
Citations by year
2024: 5 · 2022: 7 · 2021: 4 · 2020: 2 · 2019: 5 · 2018: 2
FWCI
1.19
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH NRSA (F30NS092262, F30NS098551)
  • NIH (T32NS064928, T32GM007367, NS078097, NS092043, NS033245, NS078375)
  • Jerry and Emily Spiegel
  • Project ALS
  • Target ALS
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
Keywords
neuronal subtype specification, spinal interneurons, Renshaw cells, Notch signaling, retinoid signaling, embryonic stem cell differentiation, synaptic specificity
MeSH terms
Animals, Cell Differentiation, Interneurons, Motor Neurons, Spinal Cord, Synapses, Mice, Embryonic Stem Cells, Neurogenesis, Neural Stem Cells

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