Cited by 1,140Cancer, Hypoxia, and MetabolismDNA Repair MechanismsCell death mechanisms and regulation

Hypoxia, DNA repair and genetic instability

Bristow, Robert G., Hill, Richard P.·2008·Nature Reviews Cancer

Abstract

Areas of hypoxic tumour tissue are known to be resistant to treatment and are associated with a poor clinical prognosis. There are several reasons why this might be, including the capacity of hypoxia to drive genomic instability and alter DNA damage repair pathways. Significantly, current models fail to distinguish between the complexities of the hypoxic microenvironment and the biological effects of acute hypoxia exposures versus longer-term, chronic hypoxia exposures on the transcription and translation of proteins involved in genetic stability and cell survival. Acute and chronic hypoxia might lead to different biology within the tumour and this might have a direct effect on the design of new therapies for the treatment of hypoxic tumours.

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Registry

Crossref · 10.1038/nrc2344

Cites

112 of 112 references verified0 citation errors · 0 not checkable

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  • Hypoxia downregulates DNA repair gene expression, and hypoxia/reoxygenation cycles can induce DNA strand breaks and oxidative base damage, gene amplifications, and DNA over-replication.

    “Furthermore, hypoxia downregulates DNA repair gene expression, and hypoxia/reoxygenation cycles can induce DNA strand breaks and oxidative base damage, gene amplifications, and DNA over-replication (Bristow & Hill, 2008).”

    From Therapeutic targeting of hypoxia and hypoxia-inducible factors in cancer (2016) · cites this paper as Bristow & Hill, 2008

  • Intratumoral hypoxia promotes genomic instability, another hallmark of most cancers.

    “Intratumoral hypoxia promotes genomic instability, another hallmark of most cancers (Bristow & Hill, 2008).”

    From Therapeutic targeting of hypoxia and hypoxia-inducible factors in cancer (2016) · cites this paper as Bristow & Hill, 2008

  • In injured or hypoxic tissues, de novo synthesis is compromised and the salvage pathway is the predominant source of nucleotide precursors for DNA synthesis.

    “These molecular mechanisms become particularly critical in injured or hypoxic tissues, where de novo synthesis is compromised and the salvage pathway is the predominant source of nucleotide precursors for DNA synthesis [78].”

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Authors
Bristow, R. G., & Hill, R. P.
Affiliations
University Health Network (CA)
Corresponding author
Bristow, Robert G.
Venue
Nature Reviews Cancer
Published
2008-03
Volume
8
Issue
3
Pages
180-192
ISSN
  • 1474-175X (ISSN-L)
  • 1474-1768
OpenAlex
W2012276721
Cited by
1,140
References
112
Citations by year
2026: 29 · 2025: 60 · 2024: 44 · 2023: 51 · 2022: 75 · 2021: 86 · 2020: 70 · 2019: 70 · 2018: 78 · 2017: 66 · 2016: 54 · 2015: 50 · 2014: 63 · 2013: 66 · 2012: 73
FWCI
4.89
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Cancer (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
Funders
National Cancer Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
chronic hypoxia, acute hypoxia, genomic instability, DNA repair, treatment resistance, cancer prognosis, cancer therapy design
MeSH terms
Animals, Hypoxia, DNA Damage, DNA Repair, Humans, Models, Biological, Neoplasm Metastasis, Neoplasms, Phenotype, Transcription, Genetic, Protein Biosynthesis, Gene Expression Regulation, Neoplastic, Disease Progression, Genomic Instability

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