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Actin polymerization and depolymerization in relation to platelet shape change, aggregation and disaggregation

 

作者: GlennJ. R.,   SpangenbergP.,   HeptinstallS.,  

 

期刊: Platelets  (Taylor Available online 1996)
卷期: Volume 7, issue 1-2  

页码: 23-27

 

ISSN:0953-7104

 

年代: 1996

 

DOI:10.3109/09537109609079505

 

出版商: Taylor&Francis

 

数据来源: Taylor

 

摘要:

Actin is the most abundant platelet protein. It is present in two forms - a globular monomeric form (G-actin), and a filamentous polymeric form (F-actin). The F-actin is present both at the periphery of the cell in the form of a membrane skeleton which helps maintain cell shape, and also contributes to a three dimensional network that exists throughout the cell known as the cytoskeleton.1In the resting platelet, G-actin and F-actin exist in equilibrium, but on platelet activation this is disturbed in favour of the production of F-actin, with a corresponding decrease in the amount of G-actin. This process is known as actin polymerization.

 

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