Volume 40, Issue 8 pp. 754-760

Epidermal growth factor induces changes of interaction between epidermal growth factor receptor and actin in intact cells

Wei Song

Wei Song

Key Laboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China

Graduates School of the Chinese Academy of Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China

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Haixing Xuan

Haixing Xuan

Key Laboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China

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Qishui Lin

Corresponding Author

Qishui Lin

Key Laboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China

*Corresponding author: Tel, 86-21-54921248; Fax, 86-21-54921247; E-mail, [email protected]Search for more papers by this author
First published: 12 August 2008

This work was supported by a grant from the Knowledge Innovation Program of the Chinese Academy of Sciences

Abstract

The epidermal growth factor receptor (EGFR) is a cyto-skeleton-binding protein. Although purified EGFR can interact with acting in vitro and normally at least 10% of EGFR exist in the insoluble cytoskeleton fraction of A431 cells, interaction of cytosolic EGFR with actin can only be visualized by fluorescence resonance energy transfer when epidermal growth factor presents in the cell medium. Results indicate that the correct orientation between EGFR and actin is important in the signal transduction process.

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