The actin cross-linking protein AFAP120 regulates axon elongation in a tyrosine phosphorylation-dependent manner.
The actin cross-linking protein AFAP120 regulates axon elongation in a tyrosine phosphorylation-dependent manner.
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DOI:
10.1016/j.neulet.2008.08.036
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发表时间:
2008-10-24
影响因子:
2.5
通讯作者:
Lanier LM
中科院分区:
文献类型:
--
作者:
Harder J;Xu X;Letourneau P;Lanier LM
Growth cone guidance and axon elongation require the dynamic coordinated regulation of the actin cytoskeleton. As the growth cone moves, actin-dependent forces generate tension that enables protrusive activity in the periphery and drives growth cone translocation. This dynamic remodeling of the actin cytoskeleton in response to membrane tension requires activation of Src kinase. Although it has been proposed that these actin-dependent forces vary with the extent of actin cross-linking, the identity of the cross-linking protein(s) remains unknown. AFAP120 is a nervous system specific actin cross-linking protein that is regulated by Src kinase phosphorylation. Here, we report that AFAP120 is expressed and tyrosine phosphorylated in differentiating cerebellar granule cells, where it is enriched in the axon and growth cone. Over-expression of AFAP120 enhances neurite elongation in a tyrosine phosphorylation dependent manner. These findings suggest that AFAP120 may coordinate Src signaling with the dynamic changes in the actin cytoskeleton that drive growth cone motility and axon elongation.
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影响因子:
16.2
作者:
Lanier, LM;Gates, MA;Gertler, FB
通讯作者:
Gertler, FB
影响因子:
3.7
作者:
Qian, Y;Baisden, JM;Flynn, DC
通讯作者:
Flynn, DC
影响因子:
4.8
作者:
Han, B;Bai, XH;Liu, MY
通讯作者:
Liu, MY
DOI:
10.1002/neu.10143
发表时间:
2003-02-15
期刊:
JOURNAL OF NEUROBIOLOGY
影响因子:
--
作者:
Clump, DA;Clem, R;Flynn, DC
通讯作者:
Flynn, DC
DOI:
10.1083/jcb.119.5.1219
发表时间:
1992-12
期刊:
The Journal of cell biology
影响因子:
--
作者:
Lewis AK;Bridgman PC
通讯作者:
Bridgman PC