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PAK signaling in oncogenesis

P R Molli1, D Q Li, B W Murray

  • 1Department of Biochemistry and Molecular Biology, George Washington University Medical Center, Washington, DC 20037, USA.

Oncogene
|May 26, 2009
PubMed

Insights

The p21-activated kinase (PAK) family regulates key cell functions and is implicated in cancer. This review details PAK regulation and its downstream effectors in cancer cells.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Oncology

Background:

  • The p21-activated kinase (PAK) family are serine/threonine kinases crucial for cellular processes like motility, survival, and mitosis.
  • PAKs are conserved across species, widely expressed, and frequently overexpressed in various cancers.

Purpose of the Study:

  • To review the complex regulation of the PAK family of kinases.
  • To summarize the diverse downstream effectors of PAKs.
  • To elucidate the role of PAKs in cancer cell biology.

Main Methods:

  • Literature review of existing studies on PAK family biology.
  • Analysis of data from tissue culture models and human tumors.
  • Synthesis of information on PAK regulation and effector pathways.

Main Results:

  • PAKs are divided into Group I (extracellular signal-activated) and Group II (constitutively active) based on structural and functional similarities.
  • Accumulating data reveals intricate regulatory mechanisms governing PAK activity.
  • PAKs orchestrate diverse cellular functions through numerous downstream effectors.

Conclusions:

  • Understanding PAK regulation and its effectors is vital for comprehending their role in cancer.
  • PAKs represent a significant target for cancer therapy due to their involvement in critical cancer cell processes.

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