F-box proteins involved in cancer-associated drug resistance

Jian Gong1, Yuqian Zhou1, Deliang Liu1

  • 1Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China.

Oncology Letters
|May 29, 2018
PubMed

Insights

F-box proteins regulate protein degradation via the ubiquitin proteasome system (UPS). Their dysregulation contributes to chemoresistance in cancer, highlighting their importance in overcoming drug resistance.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Biochemistry

Background:

  • The ubiquitin proteasome system (UPS) is crucial for cellular protein degradation, maintaining biological homeostasis.
  • F-box proteins are key components of SCF (SKP1-CUL1-FBP) E3 ubiquitin ligases, dictating substrate specificity.
  • Chemoresistance significantly limits the efficacy of cancer chemotherapy, representing a major clinical challenge.

Purpose of the Study:

  • To provide a comprehensive review of F-box proteins and their substrates.
  • To elucidate the correlation between F-box protein dysregulation and chemoresistance in cancer cells.
  • To explore the role of F-box proteins in chemosensitization and potential therapeutic strategies.

Main Methods:

  • Literature review of studies on F-box proteins, UPS, and cancer chemoresistance.
  • Analysis of regulatory mechanisms underlying chemoresistance.
  • Identification of potential F-box protein targets involved in drug resistance.

Main Results:

  • F-box proteins control the degradation of critical targets linked to drug resistance.
  • Dysregulation of F-box proteins can induce chemoresistance in cancer cells.
  • Understanding these mechanisms can inform the development of novel therapeutic interventions.

Conclusions:

  • F-box proteins are pivotal in regulating protein turnover and significantly influence cancer cell chemoresistance.
  • Targeting F-box proteins or their pathways may offer strategies to overcome drug resistance.
  • Further research into F-box protein functions is essential for advancing cancer therapy.

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