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Omics · study · 2026

Histone Demethylase KDM6B Promotes Postnatal Oligodendrocyte Development and Cortical Myelination

Listed in NCBI GEO

Myelination in the postnatal cortex requires epigenetic programs that activate oligodendrocyte gene networks.

Description

Here we show that the histone H3K27me3 demethylase KDM6B promotes this process in vivo. Conditional Kdm6b deletion (Kdm6b-cKO) in Emx1⁺ dorsal telencephalic progenitors caused delayed cortical myelination.

Lineage-specific RNA-seq revealed that the oligodendrocyte master regulator Sox10 was significantly reduced, as well as myelination effectors, indicating impaired oligodendrocyte maturation. Chromatin immunoprecipitation assays of the same lineage showed increased H3K27me3 at promoter-proximal regions of Sox10, consistent with loss of KDM6B-mediated de-repression. Temporally controlled Sox10 induction partially rescued myelination in Kdm6b-cKO mice.

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These findings define a KDM6B→SOX10 axis that licenses oligodendrocyte development and cortical myelination by removing repressive H3K27me3 and sustaining active chromatin, with implications for KDM6B-related neurodevelopmental disorders.

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Life Sciences
Inferred from text
Genetics 70% · RNA sequencing 65%
Provenance · 1 source records, 9 field assertions
SourceKeyLast seenRaw
NCBI GEOGSE32856215 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[field].anzsrc:group:3105enrichment · NCBI GEOtaxonomy-embedding@1.1.0title+keywords+description (70%)
concepts[field].local:field:life-sciencesmapping · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[method].geo_series_type:expression-profiling-by-high-throughput-sequencingsource · NCBI GEOconnector:ncbi_geo@1.0.0/gdstype
concepts[modality].local:modality:rna-seqenrichment · NCBI GEOkeyword-concept-rules@1.0.0title+description (65%)
concepts[organism].NCBITaxon:10090source · NCBI GEOconnector:ncbi_geo@1.0.0/taxon
descriptionsource · NCBI GEOconnector:ncbi_geo@1.0.0/summary
publication_datesource · NCBI GEOconnector:ncbi_geo@1.0.0
titlesource · NCBI GEOconnector:ncbi_geo@1.0.0/title