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Wrenches in the works: drug discovery targeting the SCF ubiquitin ligase and APC/C complexes

Timothy Cardozo1, Michele Pagano

  • 1Department of Pharmacology NYU Cancer Institute, New York University School of Medicine, 550 First Avenue MSB 599, New York, NY 10016, USA. timc@saturn.med.nyu.edu

BMC Biochemistry
|December 6, 2007
PubMed

Insights

The ubiquitin proteasome system (UPS) is a key drug target. Modulating specific E3 ubiquitin ligases, like SCFSkp2 and APC/C, offers potential for improved cancer therapeutics beyond current proteasome inhibitors.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Drug Discovery

Background:

  • The ubiquitin proteasome system (UPS) is crucial for cellular protein degradation.
  • Proteasome inhibitors like Velcade show clinical efficacy in multiple myeloma.
  • Specificity in UPS-mediated degradation is determined by E3 ubiquitin ligases.

Purpose of the Study:

  • To review the drug development potential of key UPS targets.
  • To assess SCFSkp2 and APC/C as therapeutic targets.
  • To explore the biological rationale, assays, and structural data for UPS targets.

Main Methods:

  • Literature review of biological rationale, genomics, proteomics, and 3D structures.
  • Analysis of E3 ubiquitin ligase function and substrate specificity.
  • Evaluation of drug development potential for UPS targets.

Main Results:

  • The UPS is a validated drug discovery arena.
  • Modulating specific E3 ligases may offer better therapeutic ratios than broad proteasome inhibition.
  • SCFSkp2 and APC/C are identified as key targets for UPS-based drug development.

Conclusions:

  • Targeting specific E3 ubiquitin ligases within the UPS presents a promising strategy for novel therapeutics.
  • Further research into SCFSkp2 and APC/C could lead to new cancer treatments.
  • The UPS continues to be a fertile ground for developing targeted protein degradation therapies.

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