Cited by 2,144Redox biology and oxidative stressDNA Repair MechanismsEffects of Radiation Exposure

ROS and the DNA damage response in cancer

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Srinivas, Upadhyayula Sai, Tan, Bryce W.Q., Vellayappan, Balamurugan A., Jeyasekharan, Anand D.·2019·Redox Biology

Abstract

Reactive oxygen species (ROS) are a group of short-lived, highly reactive, oxygen-containing molecules that can induce DNA damage and affect the DNA damage response (DDR). There is unequivocal pre-clinical and clinical evidence that ROS influence the genotoxic stress caused by chemotherapeutics agents and ionizing radiation. Recent studies have provided mechanistic insight into how ROS can also influence the cellular response to DNA damage caused by genotoxic therapy, especially in the context of Double Strand Breaks (DSBs). This has led to the clinical evaluation of agents modulating ROS in combination with genotoxic therapy for cancer, with mixed success so far. These studies point to context dependent outcomes with ROS modulator combinations with Chemotherapy and radiotherapy, indicating a need for additional pre-clinical research in the field. In this review, we discuss the current knowledge on the effect of ROS in the DNA damage response, and its clinical relevance.

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Crossref · 10.1016/j.redox.2018.101084

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  • The most frequently occurring mutations in the tumor suppressor gene TP53 in lung cancer are Guanine → Thymine and Guanine → Adenine transversions.

    “The most frequently occurring mutations in the tumor suppressor gene TP53 in lung cancer are Guanine → Thymine and Guanine → Adenine transversions (Srinivas et al. 2019; Gibbons et al. 2014).”

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Authors
Srinivas, U. S., Tan, B. W. Q., Vellayappan, B. A., & Jeyasekharan, A. D.
Affiliations
  • National University of Singapore (SG)
  • National University Hospital (SG)
Corresponding author
Jeyasekharan, Anand D.
Venue
Redox Biology
Publisher
Elsevier BV
Published
2019-07
Volume
25
Pages
101084
ISSN
2213-2317 (ISSN-L)
OpenAlex
W2906120852
Cited by
2,144
References
153
Citations by year
2026: 217 · 2025: 396 · 2024: 392 · 2023: 381 · 2022: 335 · 2021: 262 · 2020: 132 · 2019: 26
FWCI
10.28
Type
journal article
Language
en
Open access
Locations
  • Redox Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • National University of Singapore (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Medical Research Council (NMRC/TA/0052/2016)
  • AstraZeneca
  • Ministry of Health -Singapore
  • Meso Scale Diagnostics
  • National Research Foundation Singapore
  • Ministry of Education - Singapore
  • Janssen Pharmaceuticals
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
Keywords
reactive oxygen species, DNA damage response, cancer, DNA double-strand breaks, genotoxic stress, anticancer agents, ionizing radiation, radiosensitizers, combination therapy, oxidative DNA damage
MeSH terms
Animals, DNA Damage, DNA Repair, Humans, Neoplasms, Tumor Suppressor Protein p53, Apoptosis, Reactive Oxygen Species

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