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FEBS Lett. 1995 Apr 3;362(2):201-4.

Nerve growth factor stimulates tyrosine phosphorylation of paxillin in PC12h cells.

Author information

1
Division of Protein Metabolism, Osaka University, Japan.

Abstract

Nerve growth factor (NGF) induces tyrosine phosphorylation of various cellular proteins to activate multiple signal transduction pathways. We show that one of these proteins is paxillin, a cytoskeletal component associated with adhesion plaques. Phospho-amino acid analysis showed that NGF stimulated phosphorylation of its serine in addition to tyrosine residues. Tyrosine phosphorylation of paxillin by NGF was blocked by the pretreatment of the cells with cytochalasin D, an inhibitor of actin polymerization. These results suggest that phosphorylation of paxillin is involved in the signaling pathway of NGF in PC12 cells.

PMID:
7536689
DOI:
10.1016/0014-5793(95)00250-d
[Indexed for MEDLINE]
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