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The Complex Role of Chaperone-Mediated Autophagy in Cancer Diseases

Jing Liu1, Lijuan Wang2, Hua He1

  • 1Department of Basic Medicine, School of Medicine, Hunan Normal University, Changsha 410013, China.

Biomedicines
|July 29, 2023
PubMed

Insights

Chaperone-mediated autophagy (CMA) degrades proteins to regulate cell functions. This review explores CMA's complex, dual role in cancer, offering insights for novel cancer therapies targeting CMA.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Oncology

Background:

  • Chaperone-mediated autophagy (CMA) is a lysosomal degradation pathway for proteins with KFERQ-like motifs.
  • CMA is crucial for cellular processes including proliferation and apoptosis.
  • CMA's role in cancer is complex, acting as both pro-cancer and anti-cancer depending on the context.

Purpose of the Study:

  • To elucidate the fundamental mechanisms of CMA.
  • To review the physiological functions of CMA.
  • To discuss the dual role of CMA in various cancer types and its therapeutic potential.

Main Methods:

  • Literature review of existing research on CMA and cancer.
  • Analysis of studies investigating CMA's role in cell proliferation and apoptosis.
  • Synthesis of findings on CMA's context-dependent effects in tumorigenesis.

Main Results:

  • CMA activity is linked to cancer cell proliferation and apoptosis.
  • Evidence suggests CMA can promote cancer in some contexts and inhibit it in others.
  • Research highlights the potential for targeting CMA in cancer treatment strategies.

Conclusions:

  • Understanding CMA's complex mechanisms in cancer is vital.
  • Targeting CMA presents a promising avenue for novel cancer therapies.
  • Further research into CMA's role in tumor development may yield significant therapeutic insights.
Keywords:
autophagycancer proteinchaperone-mediateddegradationlysosome

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