Cited by 51Genomic variations and chromosomal abnormalitiesCancer Genomics and DiagnosticsProstate Cancer Treatment and Research

Poly‐gene fusion transcripts and chromothripsis in prostate cancer

Wu, Chunxiao, Wyatt, Alexander W., McPherson, Andrew, Lin, Dong, McConeghy, Brian J., Mo, Fan, Shukin, Robert, Lapuk, Anna V. +8 more·2012·Genes, Chromosomes and Cancer

Abstract

Complex genome rearrangements are frequently observed in cancer but their impact on tumor molecular biology is largely unknown. Recent studies have identified a new phenomenon involving the simultaneous generation of tens to hundreds of genomic rearrangements, called chromothripsis. To understand the molecular consequences of these events, we sequenced the genomes and transcriptomes of two prostate tumors exhibiting evidence of chromothripsis. We identified several complex fusion transcripts, each containing sequence from three different genes, originating from different parts of the genome. One such poly‐gene fusion transcript appeared to be expressed from a chain of small genomic fragments. Furthermore, we detected poly‐gene fusion transcripts in the prostate cancer cell line LNCaP, suggesting they may represent a common phenomenon. Finally in one tumor with chromothripsis, we identified multiple mutations in the p53 signaling pathway, expanding on recent work associating aberrant DNA damage response mechanisms with chromothripsis. Overall, our data show that chromothripsis can manifest as massively rearranged transcriptomes. The implication that multigenic changes can give rise to poly‐gene fusion transcripts is potentially of great significance to cancer genetics. © 2012 Wiley Periodicals, Inc.

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Crossref · 10.1002/gcc.21999

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  • Transiently expressed genomic breakpoint sequences that are associated with real gene fusions often overlap transposons.

    “Transiently expressed genomic breakpoint sequences that are associated with real gene fusions often overlap transposons; these should be filtered unless they are associated with additional fusion isoforms from the same gene pair [89].”

    From A survey of best practices for RNA-seq data analysis (2016) · cites this paper as [89]

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Authors
Wu, C., Wyatt, A. W., McPherson, A., Lin, D., McConeghy, B. J., Mo, F., Shukin, R., Lapuk, A. V., M. Jones, S. J., Zhao, Y., Marra, M. A., Gleave, M. E., Volik, S. V., Wang, Y., Sahinalp, S. C., & Collins, C. C.
Affiliations
  • University of British Columbia (CA)
  • Simon Fraser University (CA)
  • BC Cancer Agency (CA)
Corresponding author
Collins, Colin C.
Venue
Genes, Chromosomes and Cancer
Publisher
Wiley
Published
2012-08-25
Volume
51
Issue
12
Pages
1144-1153
ISSN
  • 1045-2257 (ISSN-L)
  • 1098-2264
OpenAlex
W2023006132
Cited by
51
References
51
Citations by year
2025: 1 · 2024: 2 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 5 · 2016: 5 · 2015: 5 · 2014: 11 · 2013: 11 · 2012: 2
FWCI
5.60
Type
journal article
Language
en
Open access
closed
Locations
  • Genes Chromosomes and Cancer (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pfizer
  • Canadian Institutes of Health Research
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Treatment and Research
Keywords
chromothripsis, prostate cancer, LNCaP cells, TP53 mutation, DNA damage response, cancer genetics
MeSH terms
Chromosome Aberrations, Humans, Male, Mutation, Prostatic Neoplasms, Cell Line, Tumor, Gene Fusion

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