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XIAP, the guardian angel

M Holcik1, R G Korneluk

  • 1Children's Hospital of Eastern Ontario Research Institute, and AEgera Oncology Inc., 401 Smyth Road, Ottawa, Ontario K1H 8L1, Canada. martin@mgcheo.med.uottawa.ca

Nature Reviews. Molecular Cell Biology
|July 4, 2001
PubMed

Insights

Controlling caspases is vital for cell death and survival. The inhibitor of apoptosis, XIAP, is a key caspase regulator that undergoes complex negative regulation.

Area of Science:

  • Cellular biology
  • Molecular mechanisms of cell death

Background:

  • Caspase activity is critical for apoptosis and cell survival.
  • XIAP (X-linked inhibitor of apoptosis protein) is a key regulator of caspases.
  • XIAP is subject to intricate negative regulatory processes.

Approach:

  • This study focuses on understanding the regulatory network of XIAP.
  • Investigating the intricate mechanisms governing XIAP's function and inhibition.

Key Points:

  • XIAP plays a central role in modulating caspase activity.
  • XIAP is subject to sophisticated negative feedback loops.
  • Understanding XIAP regulation is crucial for controlling cell death pathways.

Conclusions:

  • XIAP's activity is tightly controlled by negative feedback loops.
  • Understanding XIAP regulation provides insights into apoptosis pathways.
  • Modulating XIAP could offer therapeutic strategies for diseases involving cell death.

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