Journal
PROGRESS IN NEUROBIOLOGY
Volume 92, Issue 4, Pages 478-483Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pneurobio.2010.08.003
Keywords
Cytoskeleton; Kinetics; Microtubule; Model; Tau phosphorylation
Categories
Funding
- National Institutes of Health [R01 AG028679]
- Alzheimer s Association
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Computer models of microtubule dynamics have provided the basis for many of the theories on the cellular mechanics of the microtubules their polymerization kinetics and the diffusion of tubulin and tau In the three-dimensional model presented here we include the effects of tau concentration and the hydrolysis of GTP-tubulin to GDP-tubulin and observe the emergence of microtubule dynamic instability This Integrated approach simulates the essential physics of microtubule dynamics in a cellular environment The model captures the structure of the microtubules as they undergo steady state dynamic instabilities in this simplified geometry and also yields the average number length and cap size of the microtubules The model achieves realistic geometries and simulates cellular structures found in degenerating neurons in disease states such as Alzheimer disease Further this model can be used to simulate microtubule changes following the addition of antimitotic drugs which have recently attracted attention as chemotherapeutic agents (C) 2010 Elsevier Ltd All rights reserved
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