Cited by 387Effects of Radiation ExposureMitochondrial Function and PathologyRadiation Therapy and Dosimetry

Effects of ionizing radiation on mitochondria

Kam, Winnie Wai-Ying, Banati, Richard B.·2013·Free Radical Biology and Medicine

Abstract

The current concept of radiobiology posits that damage to the DNA in the cell nucleus is the primary cause for the detrimental effects of radiation. However, emerging experimental evidence suggests that this theoretical framework is insufficient for describing extranuclear radiation effects, particularly the response of the mitochondria, an important site of extranuclear, coding DNA. Here, we discuss experimental observations of the effects of ionizing radiation on the mitochondria at (1) the DNA and (2) functional levels. The roles of mitochondria in (3) oxidative stress and (4) late radiation effects are discussed. In this review, we summarize the current understanding of targets for ionizing radiation outside the cell nucleus. Available experimental data suggest that an increase in the tumoricidal efficacy of radiation therapy might be achievable by targeting mitochondria. Likewise, more specific protection of mitochondria and its coding DNA should reduce damage to healthy cells exposed to ionizing radiation.

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Crossref · 10.1016/j.freeradbiomed.2013.07.024

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Authors
Kam, W. W.-Y., & Banati, R. B.
Affiliations
The University of Sydney (AU)
Corresponding author
Kam, Winnie Wai-Ying
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2013-12
Volume
65
Pages
607-619
ISSN
0891-5849 (ISSN-L)
OpenAlex
W1993906477
Cited by
386
References
178
Citations by year
2026: 30 · 2025: 37 · 2024: 37 · 2023: 40 · 2022: 33 · 2021: 31 · 2020: 42 · 2019: 32 · 2018: 30 · 2017: 25 · 2016: 25 · 2015: 12 · 2014: 11 · 2013: 1
FWCI
2.32
Type
journal article
Language
en
Open access
closed
Locations
  • Free Radical Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • The Australian Nuclear Science and Technology Organisation Institutional Repository (The Australian Nuclear Science and Technology Organisation) (submittedVersion)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Radiation Therapy and Dosimetry
Keywords
ionizing radiation, mitochondria, mitochondrial DNA, oxidative stress, late radiation effects, radiotherapy, radiation protection, mitochondrial function
MeSH terms
Animals, Humans, Mitochondria, Radiation, Ionizing, Oxidative Stress

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