Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas

Yasuhiro Sawada, Masako Tamada, Benjamin J. Dubin-Thaler, Oksana Cherniavskaya, Ryuichi Sakai, Sakae Tanaka, Michael Sheetz

Research output: Contribution to journalArticle

611 Citations (Scopus)

Abstract

How physical force is sensed by cells and transduced into cellular signaling pathways is poorly understood. Previously, we showed that tyrosine phosphorylation of p130Cas (Cas) in a cytoskeletal complex is involved in force-dependent activation of the small GTPase Rap1. Here, we mechanically extended bacterially expressed Cas substrate domain protein (CasSD) in vitro and found a remarkable enhancement of phosphorylation by Src family kinases with no apparent change in kinase activity. Using an antibody that recognized extended CasSD in vitro, we observed Cas extension in intact cells in the peripheral regions of spreading cells, where higher traction forces are expected and where phosphorylated Cas was detected, suggesting that the in vitro extension and phosphorylation of CasSD are relevant to physiological force transduction. Thus, we propose that Cas acts as a primary force sensor, transducing force into mechanical extension and thereby priming phosphorylation and activation of downstream signaling.

Original languageEnglish (US)
Pages (from-to)1015-1026
Number of pages12
JournalCell
Volume127
Issue number5
DOIs
StatePublished - Dec 1 2006
Externally publishedYes

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Phosphorylation
src-Family Kinases
Substrates
Chemical activation
Cell signaling
Proteins
Monomeric GTP-Binding Proteins
Traction
Tyrosine
Phosphotransferases
Antibodies
Sensors
In Vitro Techniques
Protein Domains

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Sawada, Y., Tamada, M., Dubin-Thaler, B. J., Cherniavskaya, O., Sakai, R., Tanaka, S., & Sheetz, M. (2006). Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas. Cell, 127(5), 1015-1026. https://doi.org/10.1016/j.cell.2006.09.044

Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas. / Sawada, Yasuhiro; Tamada, Masako; Dubin-Thaler, Benjamin J.; Cherniavskaya, Oksana; Sakai, Ryuichi; Tanaka, Sakae; Sheetz, Michael.

In: Cell, Vol. 127, No. 5, 01.12.2006, p. 1015-1026.

Research output: Contribution to journalArticle

Sawada, Y, Tamada, M, Dubin-Thaler, BJ, Cherniavskaya, O, Sakai, R, Tanaka, S & Sheetz, M 2006, 'Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas', Cell, vol. 127, no. 5, pp. 1015-1026. https://doi.org/10.1016/j.cell.2006.09.044
Sawada Y, Tamada M, Dubin-Thaler BJ, Cherniavskaya O, Sakai R, Tanaka S et al. Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas. Cell. 2006 Dec 1;127(5):1015-1026. https://doi.org/10.1016/j.cell.2006.09.044
Sawada, Yasuhiro ; Tamada, Masako ; Dubin-Thaler, Benjamin J. ; Cherniavskaya, Oksana ; Sakai, Ryuichi ; Tanaka, Sakae ; Sheetz, Michael. / Force Sensing by Mechanical Extension of the Src Family Kinase Substrate p130Cas. In: Cell. 2006 ; Vol. 127, No. 5. pp. 1015-1026.
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