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March 21, 2026Science AdvancesOpen Access

Evidence for chronological diversification of spinal neuron subtypes by a shared sequence of transcription factors

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Authors

LSLaia Caudet SegarraKSKevin T. SangsterJSJulia Sagner

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Overview

Experimental evidence supports a sequence of transcription factors influencing spinal neuron development, suggesting a unified mechanism of diversification.

Key Points

  • This research aims to understand how transcription factors influence the development and diversity of spinal neuron subtypes.
  • Examined the expression of transcription factors Onecut2, Pou2f2, and Pou3f1 in mice
  • Investigated the impact of Pou2f2 loss on motor neuron development
  • Analyzed the role of Pou3f1 in the formation of later-born neuron subsets
  • Loss of Pou2f2 affects early-born motor neuron columns and alters projection neuron specification
  • Pou3f1 expression is crucial for proper development of later-born motor neuron subsets
  • Demonstrated a conserved sequence of transcription factors contributes to spinal circuit diversification

Cite This Study

Segarra et al. (2026) studied this question.

synapsesocial.com/papers/69be36af6e48c4981c675c19https://doi.org/10.1126/sciadv.adz3075
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1From Wiring to Firing: Collapse of embryonic identities and emergence of functional diversity during motor neuron maturation2025 · 3 citations
  2. 2Single-cell transcriptomic analysis reveals diversity within mammalian spinal motor neurons2023 · 66 citations
  3. 3Temporal trajectories underlying adult neuronal diversity2026
  4. 4A global molecular code for birth order and neuronal identity in Drosophila2026
  5. 5Distinct differentiation trajectories leave lasting impacts on gene regulation and function of V2a neurons2026