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The role of the ubiquitin-proteasome pathway in cancer development and treatment

Fangbao Ding1, Haibo Xiao1, Mingsong Wang1

  • 1Department of Cardiothoracic Surgery, Xinhua Hospital School of Medicine, Shanghai Jiaotong University, 1665 Kongjiang Road, Shanghai 200092, China.

Frontiers in Bioscience (Landmark Edition)
|June 5, 2014
PubMed

Insights

The ubiquitin-proteasome system (UPS) is crucial in cancer development, with altered ubiquitin signaling affecting cell processes. UPS inhibitors are emerging as a promising cancer treatment strategy.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Biochemistry

Background:

  • Ubiquitination, a key post-translational modification, regulates critical cellular functions like cell cycle progression, proliferation, DNA replication, and apoptosis.
  • Dysregulation of ubiquitin-mediated signaling is a common hallmark of cancer cells.
  • The ubiquitin-proteasome system (UPS) involves enzymes responsible for ubiquitin conjugation and deconjugation, interacting with tumor suppressors and oncogenes.

Purpose of the Study:

  • To review the significant role of the ubiquitin-proteasome system (UPS) in the development and progression of cancer.
  • To discuss the therapeutic potential and development of small molecule inhibitors targeting the UPS for cancer treatment.

Main Methods:

  • Literature review of studies on the ubiquitin-proteasome system and cancer.
  • Analysis of the involvement of UPS enzymes in cancer-related cellular processes.
  • Examination of the preclinical and clinical development of UPS inhibitors in oncology.

Main Results:

  • The UPS is integral to cancer development, influencing key cellular pathways.
  • Alterations in UPS components are frequently observed in various cancer types.
  • Small molecule inhibitors targeting the UPS have demonstrated therapeutic efficacy in preclinical cancer models.

Conclusions:

  • The ubiquitin-proteasome system is a critical player in oncogenesis.
  • Targeting the UPS represents a viable and developing strategy for cancer therapy.
  • Further research into UPS inhibitors holds significant promise for future cancer treatments.

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