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Updated: Nov 2, 2025

Production and Detection of Reactive Oxygen Species ROS in Cancers
07:17

Production and Detection of Reactive Oxygen Species ROS in Cancers

Published on: November 21, 2011

70.5K

Browsing the oldest antioxidant enzyme: catalase and its multiple regulation in cancer

Marilisa Galasso1, Simona Gambino2, Maria Grazia Romanelli2

  • 1Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; Department of Medicine, University of Verona, Verona, Italy.

Free Radical Biology & Medicine
|June 15, 2021
PubMed

Insights

Antioxidant enzymes like catalase protect cells from reactive oxygen species (ROS). This review details catalase

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Aerobic organisms utilize antioxidant enzymes such as catalases, superoxide dismutases (SODs), peroxiredoxins (PRDXs), and glutathione peroxidases (GPXs) to mitigate reactive oxygen species (ROS) from metabolism and external sources.
  • Antioxidant enzymes, including catalase, exhibit a dual role in cancer development and progression.

Purpose of the Study:

  • To comprehensively review the multifaceted role of catalase in cancer.
  • To elucidate the molecular mechanisms underlying catalase regulation at multiple levels.

Main Methods:

  • Literature review focusing on the function and regulation of catalase in cancer.
  • Analysis of existing research on catalase's dichotomous role in various cancer types.
  • Exploration of molecular mechanisms governing catalase expression and activity.

Main Results:

  • Catalase plays a complex, context-dependent role in cancer, potentially promoting or inhibiting tumor growth.
  • Therapeutic strategies targeting catalase levels may be effective, contingent upon cancer cell-specific metabolic and redox states.

Conclusions:

  • Understanding catalase's dichotomous role and regulatory mechanisms is crucial for developing targeted cancer therapies.
  • Further research into catalase regulation can unlock novel therapeutic avenues in oncology.
Keywords:
CancerCatalaseGene expression regulationReactive oxygen species

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