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SOX2 and NR2F1 coordinate the gene expression program of the early postnatal visual thalamus

Authors: Linda Serra; Anna Nordin; Mattias Jonasson; Carolina Marenco; Guido Rovelli; Annika Diebels; Francesca Gullo; +7 Authors

SOX2 and NR2F1 coordinate the gene expression program of the early postnatal visual thalamus

Abstract

ABSTRACT The thalamic dorsolateral geniculate nucleus (dLGN) receives visual input from the retina via the optic nerve, and projects to the cortical visual area, where eye-derived signals are elaborated. The transcription factors SOX2 and NR2F1 are directly involved in the differentiation of dLGN neurons, based on mouse work and patient mutations leading to vision defects. However, whether they regulate each other, or control common targets is still unclear. By RNA-seq analysis of neonatal dLGN from thalamo-specific Sox2 and Nr2f1 mouse mutants, we found a striking overlap of deregulated genes. Among them, Vgf, encoding a cytokine transported along thalamic-cortical axons is strongly downregulated in both mutants. Direct SOX2 binding to some of these genes was confirmed by CUT&RUN, which identified a SOX2 chromatin-binding pattern characteristic of the dLGN. Collectively, our genetic and molecular analyses on the SOX2 and NR2F1-coregulated genes contribute to our understanding of the gene regulatory network driving the differentiation and connectivity of thalamic neurons, and the vision impairments caused by mutations in these genes.

Countries
Italy, Sweden
Keywords

Neurons, COUP Transcription Factor I, CUT&RUN; DLGN; Nr2f1; Sox2; Thalamus; Vgf; Vision;, SOXB1 Transcription Factors, Gene Expression Profiling, Gene Expression Regulation, Developmental, Geniculate Bodies, Mice, Thalamus, Animals, Newborn, Medicinsk bioteknologi (Inriktn. mot cellbiologi (inkl. stamcellsbiologi), molekylärbiologi, mikrobiologi, biokemi eller biofarmaci), Sox2; Nr2f1; Vision; Thalamus; DLGN; CUT&RUN; Vgf, Mutation, CUT&RUN; DLGN; Nr2f1; Sox2; Thalamus; Vgf; Vision;, Animals, Gene Regulatory Networks, Medical Biotechnology (Focus on Cell Biology, (incl. Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy), Research Article, Protein Binding

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Top 10%
Average
Average
Green
gold