Cited by 69Cell death mechanisms and regulationDNA Repair MechanismsCancer-related Molecular Pathways

Loss of caspase-2 augments lymphomagenesis and enhances genomic instability in Atm -deficient mice

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Puccini, Joseph, Shalini, Sonia, Voss, Anne K., Gatei, Magtouf, Wilson, Claire H., Hiwase, Devendra K., Lavin, Martin F., Dorstyn, Loretta +1 more·2013·Proceedings of the National Academy of Sciences

Abstract

Significance: The cysteine protease caspase-2 has been implicated in the suppression of oncogene-mediated tumor formation. However, the mechanisms underlying the function of caspase-2 as a tumor suppressor are not well defined. In this study, we use a well-characterized mouse lymphoma model and demonstrate a critical role for caspase-2 in maintaining genome stability and in the suppression of tumorigenesis following loss of the essential DNA repair gene ataxia telangiectasia mutated ( Atm ). Our findings suggest that caspase-2 cooperates with ATM to suppress genomic instability, oxidative stress, and tumor progression.

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Crossref · 10.1073/pnas.1311947110

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  • Casp2−/− mice accumulate aneuploid bone marrow cells with aging; Casp2−/− malignant cells have increased aneuploidy vs wild-type.

    “In line with a key role for CASP2 in the control of mitotic proficiency, the bone marrow of Casp2−/− mice accumulates aneuploid cells with aging [985], and Casp2−/− malignant cells exhibit increased levels of aneuploidy as compared to their wild-type counterparts [982, 986, 987].”

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Authors
Puccini, J., Shalini, S., Voss, A. K., Gatei, M., Wilson, C. H., Hiwase, D. K., Lavin, M. F., Dorstyn, L., & Kumar, S.
Affiliations
  • South Australia Pathology (AU)
  • The University of Melbourne (AU)
  • QIMR Berghofer Medical Research Institute (AU)
  • The University of Queensland (AU)
Venue
Proceedings of the National Academy of Sciences
Published
2013-11-18
Volume
110
Issue
49
Pages
19920-19925
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2058205234
Cited by
69
References
33
Citations by year
2026: 2 · 2024: 3 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 7 · 2019: 4 · 2018: 7 · 2017: 8 · 2016: 8 · 2015: 7 · 2014: 10
FWCI
3.73
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • UniSA Research Outputs Repository (University of South Australia) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
caspase-2, ATM, lymphomagenesis, genomic instability, tumor suppression, thymic lymphoma, aneuploidy, oxidative DNA damage, DNA damage response, antioxidant defense, premature aging, perinatal lethality, T cells, Eμ-myc transgenic mice
MeSH terms
Animals, Flow Cytometry, Immunohistochemistry, Lymphoma, Mice, Knockout, Oxidative Stress, Cytogenetic Analysis, Genomic Instability, Mice, Caspase 2, Kaplan-Meier Estimate, Ataxia Telangiectasia Mutated Proteins

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