ArticleProceedings of the National Academy of Sciences of the United States of America2024
SRF transcriptionally regulates the oligodendrocyte cytoskeleton during CNS myelination.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Azetidine-2-carboxylic acid-induced oligodendrogliopathy in vitro and the pathogenesis of multiple sclerosis.Journal of neuropathology and experimental neurology · 2026Article
- Gtf2i-encoded transcription factor Tfii-i regulates myelination via Sox10 and Mbp regulatory elements.Nature communications · 2025Article
- Electrical Forces Improve Memory in Old Age.Reviews of physiology, biochemistry and pharmacology · 2025Review
- SRF transcriptionally regulates the oligodendrocyte cytoskeleton during CNS myelination.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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Authors and funding
13 authors at 4 institutions in 2 countries.
Funding
Abstract
Myelination of neuronal axons is essential for nervous system development. Myelination requires dramatic cytoskeletal dynamics in oligodendrocytes, but how actin is regulated during myelination is poorly understood. We recently identified serum response factor (SRF)-a transcription factor known to regulate expression of actin and actin regulators in other cell types-as a critical driver of myelination in the aged brain. Yet, a major gap remains in understanding the mechanistic role of SRF in oligodendrocyte lineage cells. Here, we show that SRF is required cell autonomously in oligodendrocytes for myelination during development. Combining ChIP-seq with RNA-seq identifies SRF-target genes in oligodendrocyte precursor cells and oligodendrocytes that include actin and other key cytoskeletal genes. Accordingly, SRF knockout oligodendrocytes exhibit dramatically reduced actin filament levels early in differentiation, consistent with its role in actin-dependent myelin sheath initiation. Surprisingly, oligodendrocyte-restricted loss of SRF results in upregulation of gene signatures associated with aging and neurodegenerative diseases. Together, our findings identify SRF as a transcriptional regulator that controls the expression of cytoskeletal genes required in oligodendrocytes for myelination. This study identifies an essential pathway regulating oligodendrocyte biology with high relevance to brain development, aging, and disease.
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