Pros and Cons of Chaperone-Mediated Autophagy in Cancer Biology

Research output: Contribution to journalReview article

3 Scopus citations

Abstract

Autophagy contributes to cellular quality control and energetics through lysosomal breakdown and recycling of essential cellular components. Chaperone-mediated autophagy (CMA) adds to these autophagic functions the ability to timely and selectively degrade single tagged proteins to terminate their cellular function and, in this way, participate in the regulation of multiple cellular processes. Many cancer cells upregulate CMA for protumorigenic and prosurvival purposes. However, growing evidence supports a physiological role for CMA in limiting malignant transformation. Understanding the mechanisms behind this functional switch of CMA from antioncogenic to pro-oncogenic is fundamental for targeting CMA in cancer treatment. We summarize current understanding of CMA functions in cancer biology and discuss the basis for its context-dependent dual role in oncogenesis.

Original languageEnglish (US)
JournalTrends in Endocrinology and Metabolism
DOIs
StateAccepted/In press - Jan 1 2019

Keywords

  • chaperones
  • lysosomes
  • metabolism
  • oncogenes
  • protein degradation
  • tumorigenesis

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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