Evidence map›Paper›PMID 28376088›Full record

ArticlePLoS genetics2017

The temporal dynamics of chromosome instability in ovarian cancer cell lines and primary patient samples.

Signe Penner-Goeke, Zelda Lichtensztejn, Megan Neufeld, Jennifer L Ali, Alon D Altman, Mark W Nachtigal, Kirk J McManus

Open access · goldAbstract read
In one paragraph

Article in PLoS genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
5.4field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 47 citations in OpenAlex.

  1. Article
  2. Frontiers in cell and developmental biology · 2026
    Article
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Disentangling the roles of aneuploidy, chromosomal instability and tumour heterogeneity in developing resistance to cancer therapies.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2023
    Review
  10. Exploiting a living biobank to delineate mechanisms underlying disease-specific chromosome instability.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2023
    Review
  11. Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Cancers · 2021
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Signe Penner-GoekeDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.
Zelda LichtensztejnDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.ORCID 0000-0002-0280-2555
Megan NeufeldDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.
Jennifer L AliDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.
Alon D AltmanDepartment of Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
Mark W NachtigalDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.ORCID 0000-0003-3291-8628
Kirk J McManusDepartment of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada.
CancerCare Manitoba · CAUniversity of Manitoba · CA

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

Epithelial ovarian cancer (EOC) is the most prevalent form of ovarian cancer and has the highest mortality rate. Novel insight into EOC is required to minimize the morbidity and mortality rates caused by recurrent, drug resistant disease. Although numerous studies have evaluated genome instability in EOC, none have addressed the putative role chromosome instability (CIN) has in disease progression and drug resistance. CIN is defined as an increase in the rate at which whole chromosomes or large parts thereof are gained or lost, and can only be evaluated using approaches capable of characterizing genetic or chromosomal heterogeneity within populations of cells. Although CIN is associated with numerous cancer types, its prevalence and dynamics in EOC is unknown. In this study, we assessed CIN within serial samples collected from the ascites of five EOC patients, and in two well-established ovarian cancer cell models of drug resistance (PEO1/4 and A2780s/cp). We quantified and compared CIN (as measured by nuclear areas and CIN Score (CS) values) within and between serial samples to glean insight into the association and dynamics of CIN within EOC, with a particular focus on resistant and recurrent disease. Using quantitative, single cell analyses we determined that CIN is associated with every sample evaluated and further show that many EOC samples exhibit a large degree of nuclear size and CS value heterogeneity. We also show that CIN is dynamic and generally increases within resistant disease. Finally, we show that both drug resistance models (PEO1/4 and A2780s/cp) exhibit heterogeneity, albeit to a much lesser extent. Surprisingly, the two cell line models exhibit remarkably similar levels of CIN, as the nuclear areas and CS values are largely overlapping between the corresponding paired lines. Accordingly, these data suggest CIN may represent a novel biomarker capable of monitoring changes in EOC progression associated with drug resistance.

Indexed as

Cell Line, TumorChromosomal InstabilityDrug Resistance, NeoplasmFemaleGenetic HeterogeneityHumansIn Situ Hybridization, FluorescenceNeoplasm StagingOvarian NeoplasmsPlatinumSingle-Cell AnalysisPlatinum

Identifiers

PMID28376088
PMCPMC5395197
OpenAlexW2604605776

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.