Insulin-like growth factor (IGF) signaling requires αvβ3-IGF1- IGF type 1 receptor (IGF1R) ternary complex formation in anchorage independence, and the complex formation does not require IGF1R and Src activation

Masaaki Fujita; Yoko K. Takada; Yoshikazu Takada

doi:10.1074/jbc.M112.412536

Insulin-like growth factor (IGF) signaling requires αvβ3-IGF1- IGF type 1 receptor (IGF1R) ternary complex formation in anchorage independence, and the complex formation does not require IGF1R and Src activation

Masaaki Fujita, Yoko K. Takada, Yoshikazu Takada

Dermatology

Research output: Contribution to journal › Article

22 Scopus citations

Abstract

Background: αvβ3 binds to IGF1, and the αvβ3-IGF1- IGF1R complex is formed in non-transformed cells. Results: IGF1 induces signals with the complex formation in anchorage independence. IGF1R or Src inhibitors did not suppress the complex formation. Conclusion: αvβ3-ECM interaction is not required for IGF signaling. The complex formation occurs before IGF1R activation. Significance: This study identifies new therapeutic targets in IGF signaling.

Original language	English (US)
Pages (from-to)	3059-3069
Number of pages	11
Journal	Journal of Biological Chemistry
Volume	288
Issue number	5
DOIs	https://doi.org/10.1074/jbc.M112.412536
State	Published - Feb 1 2013

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ASJC Scopus subject areas

Biochemistry
Cell Biology
Molecular Biology

Cite this

Fujita, M., Takada, Y. K., & Takada, Y. (2013). Insulin-like growth factor (IGF) signaling requires αvβ3-IGF1- IGF type 1 receptor (IGF1R) ternary complex formation in anchorage independence, and the complex formation does not require IGF1R and Src activation. Journal of Biological Chemistry, 288(5), 3059-3069. https://doi.org/10.1074/jbc.M112.412536

Insulin-like growth factor (IGF) signaling requires αvβ3-IGF1- IGF type 1 receptor (IGF1R) ternary complex formation in anchorage independence, and the complex formation does not require IGF1R and Src activation. / Fujita, Masaaki; Takada, Yoko K.; Takada, Yoshikazu.

In: Journal of Biological Chemistry, Vol. 288, No. 5, 01.02.2013, p. 3059-3069.

Research output: Contribution to journal › Article

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10.1074/jbc.M112.412536