Journal
CYTOSKELETON
Volume 67, Issue 6, Pages 339-345Publisher
WILEY
DOI: 10.1002/cm.20448
Keywords
septins; GTPases; microtubules; diffusion barriers; scaffolds; motors; MAPs; spatial regulation; cancer; neurodegeneration
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Funding
- Stanford University
- Drexel University
- State of Pennsylvania
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM097664] Funding Source: NIH RePORTER
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Septins comprise an evolutionarily conserved family of oligomeric GTPases that regulate the intracellular localization of proteins by functioning as protein scaffolds and diffusion barriers. Recent studies reveal that septins associate with microtubules, microtubule-associated proteins (MAPs), and microtubule motors. Here, I review these findings and consider how septins may spatially regulate the interaction of microtubules with MAPs and motor proteins. Thus, septins may constitute a novel regulatory module of microtubule organization and function with important implications in the understanding and treatment of cancer and neurodegeneration. (C) 2010 Wiley-Liss, Inc.
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