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FAK in Cancer: From Mechanisms to Therapeutic Strategies

Hsiang-Hao Chuang1, Yen-Yi Zhen2, Yu-Chen Tsai1

  • 1Division of Pulmonary Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.

International Journal of Molecular Sciences
|February 15, 2022
PubMed

Insights

Focal adhesion kinase (FAK) plays a key role in cancer growth and spread. Targeting FAK with small-molecule drugs shows promise as a new cancer therapy, with ongoing preclinical and clinical studies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase implicated in numerous cancers.
  • FAK regulates critical cellular functions including proliferation, survival, motility, and angiogenesis.
  • It also contributes to immunosuppressive tumor microenvironments via kinase-dependent and -independent mechanisms.

Purpose of the Study:

  • To review the signaling mechanisms of FAK in tumor development.
  • To summarize the therapeutic potential of FAK-targeted small-molecule compounds.
  • To present recent preclinical and clinical evidence on FAK inhibitors in oncology.

Main Methods:

  • Literature review of FAK signaling pathways.
  • Analysis of preclinical data on FAK inhibitors.
  • Review of clinical trial outcomes for FAK-targeted therapies.

Main Results:

  • FAK signaling is integral to multiple hallmarks of cancer.
  • FAK kinase-dependent and -independent functions are crucial for tumor progression.
  • Several small-molecule FAK inhibitors demonstrate significant anticancer activity in preclinical models and early clinical trials.

Conclusions:

  • Targeting FAK represents a viable therapeutic strategy for various cancers.
  • Combination therapies involving FAK inhibitors may enhance treatment efficacy.
  • Further clinical investigation is warranted to establish the role of FAK inhibitors in cancer treatment.
Keywords:
combination therapydrug resistancefocal adhesion kinasemetastasistumor microenvironment

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