An Early Cortical Progenitor-Specific Mechanism Regulates Thalamocortical Innervation.
Subplate
barrels
electrophysiology
Journal
The Journal of neuroscience : the official journal of the Society for Neuroscience
ISSN: 1529-2401
Titre abrégé: J Neurosci
Pays: United States
ID NLM: 8102140
Informations de publication
Date de publication:
11 08 2021
11 08 2021
Historique:
received:
27
01
2021
revised:
29
05
2021
accepted:
08
06
2021
pubmed:
2
7
2021
medline:
23
11
2021
entrez:
1
7
2021
Statut:
ppublish
Résumé
The cortical subplate is critical in regulating the entry of thalamocortical sensory afferents into the cortex. These afferents reach the subplate at embryonic day (E)15.5 in the mouse, but "wait" for several days, entering the cortical plate postnatally. We report that when transcription factor LHX2 is lost in E11.5 cortical progenitors, which give rise to subplate neurons, thalamocortical afferents display premature, exuberant ingrowth into the E15.5 cortex. Embryonic mutant subplate neurons are correctly positioned below the cortical plate, but they display an altered transcriptome and immature electrophysiological properties during the waiting period. The sensory thalamus in these cortex-specific
Identifiants
pubmed: 34193558
pii: JNEUROSCI.0226-21.2021
doi: 10.1523/JNEUROSCI.0226-21.2021
pmc: PMC8360687
doi:
Substances chimiques
LIM-Homeodomain Proteins
0
Lhx2 protein, mouse
0
Transcription Factors
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
6822-6835Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Informations de copyright
Copyright © 2021 the authors.
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