Cited by 1,162Mitochondrial Function and PathologyRedox biology and oxidative stressAutophagy in Disease and Therapy

Mitochondria and reactive oxygen species

Open access
Kowaltowski, Alicia J., de Souza-Pinto, Nadja C., Castilho, Roger F., Vercesi, Anibal E.·2009·Free Radical Biology and Medicine

Abstract

Mitochondria are a quantitatively relevant source of reactive oxygen species (ROS) in the majority of cell types. Here we review the sources and metabolism of ROS in this organelle, including the conditions that regulate the production of these species, such as mild uncoupling, oxygen tension, respiratory inhibition, Ca2+ and K+ transport, and mitochondrial content and morphology. We discuss substrate-, tissue-, and organism-specific characteristics of mitochondrial oxidant generation. Several aspects of the physiological and pathological roles of mitochondrial ROS production are also addressed.

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Crossref · 10.1016/j.freeradbiomed.2009.05.004

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  • In the presence of these inhibitors, the highly reduced state of components of the electron transport system causes a rise in the production of superoxide at these sites, which would be a challenge to cell survival.

    “In the presence of these inhibitors, the highly reduced state of components of the electron transport system causes a rise in the production of superoxide at these sites [47,48], which would be a challenge to cell survival.”
  • Mitochondrial deficiencies that decrease matrix NADH or mitochondrial membrane potential will theoretically decrease mitochondrial NADPH regeneration, contributing to oxidative stress.

    “Thus, mitochondrial deficiencies that decrease matrix NADH or mitochondrial membrane potential will theoretically decrease mitochondrial NADPH regeneration, contributing to oxidative stress (226).”

    From Redox regulation of mitochondrial function (2012) · cites this paper as [226]

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  1. Nicholls, D.; Fergusson, S. Bioenergetics 3. Academic Press, San Diego; 2001.

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Authors
Kowaltowski, A. J., de Souza-Pinto, N. C., Castilho, R. F., & Vercesi, A. E.
Affiliations
  • Universidade de São Paulo (BR)
  • Universidade Estadual de Campinas (UNICAMP) (BR)
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2009-08
Volume
47
Issue
4
Pages
333-343
ISSN
0891-5849 (ISSN-L)
OpenAlex
W2016693012
Cited by
1,162
References
235
Citations by year
2026: 39 · 2025: 48 · 2024: 52 · 2023: 72 · 2022: 51 · 2021: 77 · 2020: 76 · 2019: 52 · 2018: 70 · 2017: 68 · 2016: 70 · 2015: 76 · 2014: 91 · 2013: 98 · 2012: 82
FWCI
5.45
Type
journal article
Language
en
Open access
Locations
  • Free Radical Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Fundação de Amparo à Pesquisa do Estado de São Paulo
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
mitochondria, reactive oxygen species, mitochondrial ROS production, mitochondrial uncoupling, oxygen partial pressure, respiratory inhibition, calcium transport, potassium transport, mitochondrial morphology, mitochondrial content
MeSH terms
Aging, Animals, Calcium, Electron Transport, Humans, Mitochondria, Potassium, Respiration, Signal Transduction, Reactive Oxygen Species, Proton Pumps, Oxidative Stress, Feedback, Physiological

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