Biological and physiological role of reactive oxygen species - the good, the bad and the ugly

L. Zuo, T. Zhou, B. K. Pannell, A. C. Ziegler, Thomas Best

Research output: Contribution to journalReview article

121 Citations (Scopus)

Abstract

Reactive oxygen species (ROS) are chemically reactive molecules that are naturally produced within biological systems. Research has focused extensively on revealing the multi-faceted and complex roles that ROS play in living tissues. In regard to the good side of ROS, this article explores the effects of ROS on signalling, immune response and other physiological responses. To review the potentially bad side of ROS, we explain the consequences of high concentrations of molecules that lead to the disruption of redox homeostasis, which induces oxidative stress damaging intracellular components. The ugly effects of ROS can be observed in devastating cardiac, pulmonary, neurodegenerative and other disorders. Furthermore, this article covers the regulatory enzymes that mitigate the effects of ROS. Glutathione peroxidase, superoxide dismutase and catalase are discussed in particular detail. The current understanding of ROS is incomplete, and it is imperative that future research be performed to understand the implications of ROS in various therapeutic interventions.

Original languageEnglish (US)
Pages (from-to)329-348
Number of pages20
JournalActa Physiologica
Volume214
Issue number3
DOIs
StatePublished - Jul 1 2015
Externally publishedYes

Fingerprint

Reactive Oxygen Species
Glutathione Peroxidase
Neurodegenerative Diseases
Catalase
Superoxide Dismutase
Oxidation-Reduction
Oxidative Stress
Homeostasis
Lung
Enzymes
Research

Keywords

  • Antioxidant
  • Oxidative stress
  • Redox
  • Signalling
  • Vitamin

ASJC Scopus subject areas

  • Physiology

Cite this

Biological and physiological role of reactive oxygen species - the good, the bad and the ugly. / Zuo, L.; Zhou, T.; Pannell, B. K.; Ziegler, A. C.; Best, Thomas.

In: Acta Physiologica, Vol. 214, No. 3, 01.07.2015, p. 329-348.

Research output: Contribution to journalReview article

Zuo, L. ; Zhou, T. ; Pannell, B. K. ; Ziegler, A. C. ; Best, Thomas. / Biological and physiological role of reactive oxygen species - the good, the bad and the ugly. In: Acta Physiologica. 2015 ; Vol. 214, No. 3. pp. 329-348.
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