Cited by 194Genomic variations and chromosomal abnormalitiesSarcoma Diagnosis and TreatmentCancer Genomics and Diagnostics

The Architecture and Evolution of Cancer Neochromosomes

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Garsed, Dale W., Marshall, Owen J., Corbin, Vincent D.A., Hsu, Arthur, Di Stefano, Leon, Schröder, Jan, Li, Jason, Feng, Zhi-Ping +13 more·2014·Cancer Cell

Abstract

We isolated and analyzed, at single-nucleotide resolution, cancer-associated neochromosomes from well- and/or dedifferentiated liposarcomas. Neochromosomes, which can exceed 600 Mb in size, initially arise as circular structures following chromothripsis involving chromosome 12. The core of the neochromosome is amplified, rearranged, and corroded through hundreds of breakage-fusion-bridge cycles. Under selective pressure, amplified oncogenes are overexpressed, while coamplified passenger genes may be silenced epigenetically. New material may be captured during punctuated chromothriptic events. Centromeric corrosion leads to crisis, which is resolved through neocentromere formation or native centromere capture. Finally, amplification terminates, and the neochromosome core is stabilized in linear form by telomere capture. This study investigates the dynamic mutational processes underlying the life history of a special form of cancer mutation.

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Crossref · 10.1016/j.ccell.2014.09.010

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Authors
Garsed, D. W., Marshall, O. J., Corbin, V. D. A., Hsu, A., Di Stefano, L., Schröder, J., Li, J., Feng, Z.-P., Kim, B. W., Kowarsky, M., Lansdell, B., Brookwell, R., Myklebost, O., Meza-Zepeda, L., Holloway, A. J., Pedeutour, F., Choo, K. H. A., Damore, M. A., Deans, A. J., Papenfuss, A. T., & Thomas, D. M.
Affiliations
  • The University of Melbourne (AU)
  • Royal Children's Hospital (AU)
  • Walter and Eliza Hall Institute of Medical Research (AU)
  • Peter MacCallum Cancer Centre (AU)
  • Sullivan Nicolaides Pathology (AU)
  • Oslo University Hospital (NO)
  • Amgen (United States) (US)
  • Garvan Institute of Medical Research (AU)
Corresponding author
  • Papenfuss, Anthony T.
  • Thomas, David M.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2014-11
Volume
26
Issue
5
Pages
653-667
ISSN
1535-6108 (ISSN-L)
OpenAlex
W1986820103
Cited by
194
References
45
Citations by year
2026: 3 · 2025: 9 · 2024: 16 · 2023: 11 · 2022: 19 · 2021: 23 · 2020: 27 · 2019: 20 · 2018: 19 · 2017: 21 · 2016: 14 · 2015: 10 · 2014: 2
FWCI
10.28
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • RMIT Research Repository (RMIT University Library) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Figshare (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Sarcoma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
liposarcoma, chromothripsis, chromosome 12, breakage-fusion-bridge cycles, oncogene amplification, epigenetic silencing, passenger genes, chromosomal instability, tumor evolution
MeSH terms
Aged, Centromere, Chromosome Aberrations, Chromosomes, Human, Female, Humans, Liposarcoma, Models, Genetic, Oncogenes, Retroperitoneal Neoplasms, Translocation, Genetic, Mutagenesis, Cell Line, Tumor, Carcinogenesis

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