Abstract
Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that has been shown to have key roles in cell migration, proliferation and survival. FAK activity can be stimulated in response to several types of extracellular ligands, including components of the extracellular matrix and growth factors, suggesting that FAK is an important integrator of multiple cues in the extracellular milieu. Recently, major progress has been made in understanding the molecular mechanisms regulating FAK activity. In particular, several novel proteins have been identified that can bind to FAK and inhibit its activity and associated cellular functions, including cell motility and invasion. Consistent with its critical functions in signal transduction, FAK also plays a pivotal role in mouse development. The inactivation of FAK in mice results in embryonic lethality around E8.5; this early embryonic lethal phenotype limits the use of the FAK total knockout mouse model for studying FAK function in later embryonic development stages and in adult mice. To overcome this problem, three independent groups created FAK/flox mice and generated several different FAK tissue-specific knockout mice models. Here we summarize the progress that has been made regarding the regulation of FAK-mediated signaling events in cell-based systems and also highlight the in vivo functions of FAK in a number of terminally differentiated cell lineages, including vascular endothelial cells, cardiomyocytes, neuronal cells, keratinocytes and several cancerous cell types.
Keywords: signal transduction, mouse models, tyrosine kinases, cell motility, FAK
Current Protein & Peptide Science
Title: Focal Adhesion Kinase: From In Vitro Studies to Functional Analyses In Vivo
Volume: 12 Issue: 1
Author(s): Xu Peng and Jun-Lin Guan
Affiliation:
Keywords: signal transduction, mouse models, tyrosine kinases, cell motility, FAK
Abstract: Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that has been shown to have key roles in cell migration, proliferation and survival. FAK activity can be stimulated in response to several types of extracellular ligands, including components of the extracellular matrix and growth factors, suggesting that FAK is an important integrator of multiple cues in the extracellular milieu. Recently, major progress has been made in understanding the molecular mechanisms regulating FAK activity. In particular, several novel proteins have been identified that can bind to FAK and inhibit its activity and associated cellular functions, including cell motility and invasion. Consistent with its critical functions in signal transduction, FAK also plays a pivotal role in mouse development. The inactivation of FAK in mice results in embryonic lethality around E8.5; this early embryonic lethal phenotype limits the use of the FAK total knockout mouse model for studying FAK function in later embryonic development stages and in adult mice. To overcome this problem, three independent groups created FAK/flox mice and generated several different FAK tissue-specific knockout mice models. Here we summarize the progress that has been made regarding the regulation of FAK-mediated signaling events in cell-based systems and also highlight the in vivo functions of FAK in a number of terminally differentiated cell lineages, including vascular endothelial cells, cardiomyocytes, neuronal cells, keratinocytes and several cancerous cell types.
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Cite this article as:
Peng Xu and Guan Jun-Lin, Focal Adhesion Kinase: From In Vitro Studies to Functional Analyses In Vivo, Current Protein & Peptide Science 2011; 12 (1) . https://dx.doi.org/10.2174/138920311795659452
DOI https://dx.doi.org/10.2174/138920311795659452 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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