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Death-associated protein kinase (DAPK) and signal transduction: regulation in cancer

Alison M Michie1, Alison M McCaig, Rinako Nakagawa

  • 1Section of Experimental Haematology, Division of Cancer Sciences, Faculty of Medicine, University of Glasgow, Glasgow, UK. A.Michie@udcf.gla.ac.uk

The FEBS Journal
|November 3, 2009
PubMed

Insights

Death-associated protein kinase (DAPK) is a cancer-related protein. While often silenced by methylation, its function can be repressed post-translationally in cancer cells, suggesting new therapeutic targets.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Biochemistry

Background:

  • Death-associated protein kinase (DAPK) is a serine/threonine kinase involved in apoptosis.
  • DAPK dysregulation, typically via promoter hypermethylation and gene silencing, is observed in various cancers.
  • Emerging evidence suggests DAPK can be functionally repressed post-translationally in cancer cells, even when expressed.

Purpose of the Study:

  • To review recent findings on mechanisms altering DAPK expression, regulation, and function in cancer.
  • To explore post-translational modifications as a key factor in DAPK's subverted activity in cancer.
  • To highlight potential therapeutic strategies targeting DAPK in oncology.

Main Methods:

  • Literature review of recent studies on DAPK in cancer.
  • Analysis of data on DAPK gene expression and protein activity.
  • Focus on post-translational regulation mechanisms.

Main Results:

  • DAPK dysregulation in cancer involves more than just promoter hypermethylation.
  • Post-translational modifications can repress DAPK activity independently of gene expression levels.
  • Altered DAPK function contributes to cancer progression and survival.

Conclusions:

  • DAPK's role in cancer is complex, involving epigenetic and post-translational control.
  • Targeting post-translational regulation of DAPK may offer novel cancer therapies.
  • Further research into DAPK's functional subversion is crucial for therapeutic development.

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