Cited by 84Microtubule and mitosis dynamicsCancer-related Molecular PathwaysCancer Genomics and Diagnostics

Negative Selection and Chromosome Instability Induced by Mad2 Overexpression Delay Breast Cancer but Facilitate Oncogene-Independent Outgrowth

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Rowald, Konstantina, Mantovan, Martina, Passos, Joana, Buccitelli, Christopher, Mardin, Balca R., Korbel, Jan O., Jechlinger, Martin, Sotillo, Rocio·2016·Cell Reports

Abstract

Chromosome instability (CIN) is associated with poor survival and therapeutic outcome in a number of malignancies. Despite this correlation, CIN can also lead to growth disadvantages. Here, we show that simultaneous overexpression of the mitotic checkpoint protein Mad2 with Kras(G12D) or Her2 in mammary glands of adult mice results in mitotic checkpoint overactivation and a delay in tumor onset. Time-lapse imaging of organotypic cultures and pathologic analysis prior to tumor establishment reveals error-prone mitosis, mitotic arrest, and cell death. Nonetheless, Mad2 expression persists and increases karyotype complexity in Kras tumors. Faced with the selective pressure of oncogene withdrawal, Mad2-positive tumors have a higher frequency of developing persistent subclones that avoid remission and continue to grow.

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  1. Boveri T. ANTON DOHBN Science 36 1912 453 468 17770611
  2. Gilmore A.P. Anoikis Cell Death Differ. 12 Suppl 2 2005 1473 1477 16247493

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Authors
Rowald, K., Mantovan, M., Passos, J., Buccitelli, C., Mardin, B. R., Korbel, J. O., Jechlinger, M., & Sotillo, R.
Affiliations
  • European Molecular Biology Laboratory (IT)
  • European Molecular Biology Laboratory (DE)
Venue
Cell Reports
Publisher
Elsevier BV
Published
2016-06
Volume
15
Issue
12
Pages
2679-2691
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2410399749
Cited by
84
References
52
Citations by year
2026: 5 · 2025: 4 · 2024: 9 · 2023: 16 · 2022: 4 · 2021: 11 · 2020: 8 · 2019: 4 · 2018: 12 · 2017: 8 · 2016: 3
FWCI
6.20
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
Mad2, chromosomal instability, breast cancer, spindle assembly checkpoint, KRAS G12D, HER2, tumor remission, karyotype complexity, mitotic arrest
MeSH terms
Aneuploidy, Animals, Breast Neoplasms, Cells, Cultured, Epithelial Cells, Female, Humans, Mammary Neoplasms, Experimental, Mitosis, Spindle Apparatus, Oncogenes, Phenotype, Proto-Oncogene Proteins p21(ras), Apoptosis, Receptor, ErbB-2, Erb-b2 Receptor Tyrosine Kinases, Transgenes, Chromosome Segregation, Chromosomal Instability, Cell Proliferation, Mice, Time-Lapse Imaging, Cell Cycle Checkpoints, Carcinogenesis, Mad2 Proteins

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