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Updated: Mar 23, 2026

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Unravelling the relationship between macroautophagy and mitochondrial ROS in cancer therapy

Yuqian Zhao1, Tiange Qu2, Peiqi Wang3

  • 1Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.

Apoptosis : an International Journal on Programmed Cell Death
|March 24, 2016
PubMed

Insights

Reactive oxygen species (ROS) influence autophagy, a cellular process with dual roles in cancer. This study explores mitochondrial ROS (mitoROS) and autophagy

Area of Science:

  • Cell Biology
  • Cancer Biology
  • Biochemistry

Background:

  • Macroautophagy (autophagy) is a conserved cellular process activated by stimuli like oxidative stress.
  • Reactive oxygen species (ROS) modulate autophagy through various pathways, with complex roles in cancer.
  • Mitochondrial ROS (mitoROS) are key signaling molecules in autophagy regulation.

Purpose of the Study:

  • To elucidate the intricate relationship between mitochondrial ROS and autophagy.
  • To understand the dual role of ROS-modulated autophagy in cancer progression and suppression.
  • To identify novel anti-cancer drug targets by focusing on mitoROS-regulated autophagy.

Main Methods:

  • Literature review and synthesis of existing data on ROS, autophagy, and cancer.
  • Analysis of signaling pathways and transcription regulators involved in ROS-autophagy interaction.
  • Focus on anti-tumor agents targeting mitoROS-regulated autophagy.

Main Results:

  • ROS exhibit both tumor-suppressive (autophagic cell death, genome stability) and tumor-promoting (metabolic support) roles in cancer.
  • Autophagy regulates mitoROS generation, creating a feedback loop.
  • The interplay between mitoROS and autophagy determines whether autophagy acts protectively or detrimentally.

Conclusions:

  • Untangling the mitoROS-autophagy axis is crucial for understanding autophagy's dual role in cancer.
  • Targeting mitoROS-regulated autophagy offers potential for novel cancer therapies.
  • Further exploration of anti-tumor agents in this pathway may yield new anti-cancer drugs.
Keywords:
AutophagyCancer therapyMacroautophagyMitochondrial ROS (mitoROS)Reactive oxygen species (ROS)

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