Cited by 258DNA Repair MechanismsCancer-related Molecular PathwaysChromatin Remodeling and Cancer

Beyond DNA Repair: DNA-PK Function in Cancer

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Goodwin, Jonathan F., Knudsen, Karen E.·2014·Cancer Discovery

Abstract

The DNA-dependent protein kinase (DNA-PK) is a pivotal component of the DNA repair machinery that governs the response to DNA damage, serving to maintain genome integrity. However, the DNA-PK kinase component was initially isolated with transcriptional complexes, and recent findings have illuminated the impact of DNA-PK–mediated transcriptional regulation on tumor progression and therapeutic response. DNA-PK expression has also been correlated with poor outcome in selected tumor types, further underscoring the importance of understanding its role in disease. Herein, the molecular and cellular consequences of DNA-PK are considered, with an eye toward discerning the rationale for therapeutic targeting of DNA-PK. Significance: Although DNA-PK is classically considered a component of damage response, recent findings illuminate damage-independent functions of DNA-PK that affect multiple tumor-associated pathways and provide a rationale for the development of novel therapeutic strategies. Cancer Discov; 4(10); 1126–39. ©2014 AACR.

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  • Previous studies suggested UBR7 functions as a tumor suppressor in triple-negative breast cancer cells through reducing monoubiquitination of histone H2B and reducing CDH4 levels.

    “Previous studies have suggested that UBR7 functions as a tumor suppressor in triple-negative breast cancer cells 27, through reducing monoubiquitination of histone H2B and reducing CDH4 levels”
  • UBR7 is annotated as an E3 ubiquitin ligase and postulated to be involved in histone ubiquitination.

    “While UBR7 is annotated as an E3 ubiquitin ligase and postulated to be involved in histone ubiquitination 27, its biochemical and physiological functions are poorly understood especially with regard to cancer cell proliferation.”

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  1. [34]Meek K Dang V Lees-Miller SP DNA-PK: the means to justify the ends? Adv Immunol 2008 99 33 58 19117531

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Authors
Goodwin, J. F., & Knudsen, K. E.
Affiliations
Thomas Jefferson University (US)
Corresponding author
Knudsen, Karen E.
Venue
Cancer Discovery
Published
2014-09-30
Volume
4
Issue
10
Pages
1126-1139
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W2131077173
Cited by
258
References
117
Citations by year
2026: 11 · 2025: 16 · 2024: 30 · 2023: 23 · 2022: 24 · 2021: 21 · 2020: 38 · 2019: 26 · 2018: 16 · 2017: 24 · 2016: 16 · 2015: 11 · 2014: 2
FWCI
1.67
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • The Medicine Forum (submittedVersion)
Funders
National Cancer Institute (R01CA159945, R01CA099996, P30CA056036)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
DNA-dependent protein kinase, DNA repair, DNA damage response, genome stability, transcriptional regulation, tumor progression, treatment response, prognostic factors, DNA-PK inhibitor, cancer therapy
MeSH terms
Animals, DNA Damage, DNA Repair, Enzyme Activation, Humans, Neoplasms, Transcription, Genetic, Gene Expression Regulation, Neoplastic, DNA-Activated Protein Kinase, Molecular Targeted Therapy

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