Journal
BIOLOGICAL CHEMISTRY
Volume 391, Issue 6, Pages 591-597Publisher
WALTER DE GRUYTER & CO
DOI: 10.1515/BC.2010.061
Keywords
axon guidance; cytoskeleton; growth cone; neurite; nucleus; transcription
Categories
Funding
- Deutsche Forschungsgemeinschaft (DFG)
- Schram-Stiftung
- Tubingen University
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The traditional view of cellular actin is a rather autarkic cytoskeletal framework function confined to the cytoplasm. However, there is now evidence that alterations in actin dynamics arc sensed by the nucleus and subsequently modulate gene expression. In communicating with the nucleus, cytoplasmic, and most likely also nucleus-resident actin, provides a further (gene) regulatory loop to cell motility. A transcription module composed of MRTF (myocardin-related transcription factor) and SRF (serum response factor) emerges as prime target of such actin signaling. Here. I focus on the nervous system, where the actin-MRTF-SRF entity governs multiple aspects of neuronal motility.
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