The role of focal adhesion kinase in tumor initiation and progression

Paolo P. Provenzano, Patricia J. Keely

Research output: Contribution to journalComment/debatepeer-review

57 Scopus citations

Abstract

Focal adhesion kinase (FAK) is a nonreceptor tyrosine kinase that acts as a primary regulator of focal adhesion signaling to regulate cell proliferation, survival and migration. While FAK is known to directly influence many fundamental adhesion and growth factor signaling pathways important in cancer, and FAK is overexpressed in multiple human cancers, studies addressing a causal role for FAK in tumor initiation and progression using transgenic models of human cancer had not been performed. Recently, using tissue-specific FAK-knockout in mouse models of human cancer, the consequences of FAK ablation in carcinoma were demonstrated by multiple independent research groups. Strong consensus evidence indicates that epithelial cells are able to transform in the absence of FAK, but do not undergo a malignant conversion to invasive carcinoma, and as such, metastasis is impaired. This is likely the consequence of decreased Src and p130Cas activation in concert with misregulated actin cytoskeleton dynamics and Rho GTPase signaling. Hence, FAK, as well as the FAK-regulating/regulated signaling network, are viable candidates for cancer metastasis therapies.

Original languageEnglish (US)
JournalCell Adhesion and Migration
Volume3
Issue number4
DOIs
StatePublished - 2009
Externally publishedYes

Bibliographical note

Funding Information:
The authors thank the members of the Keely laboratory for helpful discussions regarding this work. This work was supported by a NIH postdoctoral training grant (T32CA009681) to P.P.P., and grants from the DOD: W81XWH-04-1-042 (P.P.P.), Am. Cancer Soc.: RSG-00-339CSM (P.J.K.), and NIH: CA076537 (P.J.K.).

Keywords

  • Carcinoma invasion and metastasis
  • Cell migration
  • Cell proliferation
  • FAK
  • Focal adhesion

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