Evidence map›Paper›PMID 21799785›Full record

ArticlePloS one2011

Separase loss of function cooperates with the loss of p53 in the initiation and progression of T- and B-cell lymphoma, leukemia and aneuploidy in mice.

Malini Mukherjee, Gouqing Ge, Nenggang Zhang, Eryong Huang, Lanelle V Nakamura, Marissa Minor, Viacheslav Fofanov, Pullivarthi H Rao, Alan Herron, Debananda Pati

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.5field-weighted citation impact, top 20% 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

20 citing papers in PubMed, 35 citations in OpenAlex.

  1. Role of chromosomal cohesion and separation in aneuploidy and tumorigenesis.Cellular and molecular life sciences : CMLS · 2024
    Review
  2. Article
  3. Article
  4. Mapping separase-mediated cleavage in situ.NAR genomics and bioinformatics · 2022
    Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Chromosome missegregation rate predicts whether aneuploidy will promote or suppress tumors.Proceedings of the National Academy of Sciences of the United States of America · 2013
    Article
  16. Review
  17. Article
  18. Review
  19. Review
  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

10 authors at 3 institutions in 1 country.

Malini MukherjeeDepartment of Pediatric Hematology/Oncology, Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas, United States of America.
Gouqing Ge
Nenggang Zhang
Eryong Huang
Lanelle V Nakamura
Marissa Minor
Viacheslav Fofanov
Pullivarthi H Rao
Alan Herron
Debananda Pati
Baylor College of Medicine · USChildren's Cancer Center · USEureka Genomics (United States) · US

Funding

Molecular Basis of AneuploidyR01CA109330 · NCI · BAYLOR COLLEGE OF MEDICINE · PI PATI, DEBANANDA · 2006 to 2010
$1.6M
Mitotic Regulation of Apoptosis in LeukemiaR01CA109478 · NCI · BAYLOR COLLEGE OF MEDICINE · PI PATI, DEBANANDA · 2006 to 2010
$1.1M
NCI NIH HHS 1R01 CA109330NCI NIH HHS 1R01 CA109478NCI NIH HHS R01 CA109330NCI NIH HHS R01 CA109478
6 · The paper itself

Abstract

backgroundCohesin protease Separase plays a key role in faithful segregation of sister chromatids by cleaving the cohesin complex at the metaphase to anaphase transition. Homozygous deletion of ESPL1 gene that encodes Separase protein results in embryonic lethality in mice and Separase overexpression lead to aneuploidy and tumorigenesis. However, the effect of Separase haploinsufficiency has not been thoroughly investigated. METHODOLOGY/PRINCIPAL

findingsHere we examined the effect of ESPL1 heterozygosity using a hypomorphic mouse model that has reduced germline Separase activity. We report that while ESPL1 mutant (ESPL1 (+/hyp)) mice have a normal phenotype, in the absence of p53, these mice develop spontaneous T- and B-cell lymphomas, and leukemia with a significantly shortened latency as compared to p53 null mice. The ESPL1 hypomorphic, p53 heterozygous transgenic mice (ESPL1(+/hyp), p53(+/-)) also show a significantly reduced life span with an altered tumor spectrum of carcinomas and sarcomas compared to p53(+/-) mice alone. Furthermore, ESPL1(+/hyp), p53(-/-) mice display significantly higher levels of genetic instability and aneuploidy in normal cells, as indicated by the abnormal metaphase counts and SKY analysis of primary splenocytes. CONCLUSIONS/SIGNIFICANCE: Our results indicate that reduced levels of Separase act synergistically with loss of p53 in the initiation and progression of B- and T- cell lymphomas, which is aided by increased chromosomal missegregation and accumulation of genomic instability. ESPL1(+/hyp), p53(-/-) mice provide a new animal model for mechanistic study of aggressive lymphoma and also for preclinical evaluation of new agents for its therapy.

Indexed as

AneuploidyDisease ProgressionAnimalsBone MarrowCell Cycle ProteinsCell ProliferationDNA DamageEndopeptidasesFemaleHumansLeukemiaLongevityLymphoma, B-CellLymphoma, T-CellMiceNeoplasm MetastasisCell Cycle ProteinsEndopeptidasesESPL1 protein, humanSeparaseTumor Suppressor Protein p53

Identifiers

PMID21799785
PMCPMC3143119
OpenAlexW2026100351

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.