Cited by 195DNA Repair MechanismsMetal complexes synthesis and propertiesLung Cancer Treatments and Mutations

Suppression of Rev3, the catalytic subunit of Polζ, sensitizes drug-resistant lung tumors to chemotherapy

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Doles, Jason, Oliver, Trudy G., Cameron, Eleanor R., Hsu, Gerald, Jacks, Tyler, Walker, Graham C., Hemann, Michael T.·2010·Proceedings of the National Academy of Sciences

Abstract

Platinum-based chemotherapeutic drugs are front-line therapies for the treatment of non-small cell lung cancer. However, intrinsic drug resistance limits the clinical efficacy of these agents. Recent evidence suggests that loss of the translesion polymerase, Polζ, can sensitize tumor cell lines to cisplatin, although the relevance of these findings to the treatment of chemoresistant tumors in vivo has remained unclear. Here, we describe a tumor transplantation approach that enables the rapid introduction of defined genetic lesions into a preclinical model of lung adenocarcinoma. Using this approach, we examined the effect of impaired translesion DNA synthesis on cisplatin response in aggressive late-stage lung cancers. In the presence of reduced levels of Rev3, an essential component of Polζ, tumors exhibited pronounced sensitivity to cisplatin, leading to a significant extension in overall survival of treated recipient mice. Additionally, treated Rev3-deficient cells exhibited reduced cisplatin-induced mutation, a process that has been implicated in the induction of secondary malignancies following chemotherapy. Taken together, our data illustrate the potential of Rev3 inhibition as an adjuvant therapy for the treatment of chemoresistant malignancies, and highlight the utility of rapid transplantation methodologies for evaluating mechanisms of chemotherapeutic resistance in preclinical settings.

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Authors
Doles, J., Oliver, T. G., Cameron, E. R., Hsu, G., Jacks, T., Walker, G. C., & Hemann, M. T.
Affiliations
  • Koch Institute for Integrative Cancer Research At MIT (US)
  • Howard Hughes Medical Institute (US)
  • Department of Biology, and
Venue
Proceedings of the National Academy of Sciences
Published
2010-11-10
Volume
107
Issue
48
Pages
20786-20791
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2012012836
Cited by
190
References
40
Citations by year
2026: 5 · 2025: 3 · 2024: 5 · 2023: 8 · 2022: 6 · 2021: 11 · 2020: 26 · 2019: 14 · 2018: 5 · 2017: 16 · 2016: 17 · 2015: 18 · 2014: 16 · 2013: 13 · 2012: 18
FWCI
5.21
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • Howard Hughes Medical Institute
  • Massachusetts Institute of Technology (P30-CA14051)
  • Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology (P30-CA14051, Grant P30-CA14051)
  • National Institutes of Health (5r01ca128803-05, ES002109)
  • Ludwig Center at Harvard
  • National Cancer Institute (R01-CA128803, CA14051, Koch Institute Support (core) Grant P30-CA14051, Grant P30-CA14051, P30CA014051, P30-CA-14051)
  • National Institute of Environmental Health Sciences (ES-015818, P30ES002109, R56ES015818, R01ES015818)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Metal complexes synthesis and properties
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
Keywords
REV3, pol, translesion synthesis, cisplatin resistance, non-small cell lung cancer, lung adenocarcinoma, chemoresistance, secondary malignancies, tumor transplantation, adjuvant therapy, DNA polymerase
MeSH terms
Adenocarcinoma, Animals, Cisplatin, DNA-Directed DNA Polymerase, DNA-Binding Proteins, Drug Screening Assays, Antitumor, Lung Neoplasms, Neoplasm Transplantation, Tumor Suppressor Protein p53, Proto-Oncogene Proteins p21(ras), Drug Resistance, Neoplasm, Catalytic Domain, Cell Line, Tumor, Mice

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