Evidence map›Paper›PMID 23479741›Full record

ArticleThe Journal of cell biology2013

Oncogenes induce genotoxic stress by mitotic processing of unusual replication intermediates.

Kai J Neelsen, Isabella M Y Zanini, Raquel Herrador, Massimo Lopes

Abstract read
In one paragraph

Article in The Journal of cell biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 124 papers.

0numbers the graph read from it
0cells of the map it votes in
124citing papers in PubMed
–field-weighted citation impact
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

124 citing papers in PubMed.

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64 more citing papers are in PubMed but not listed here.

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

4 authors.

Kai J NeelsenInstitute of Molecular Cancer Research, University of Zurich, CH-8057 Zurich, Switzerland.
Isabella M Y Zanini
Raquel Herrador
Massimo Lopes

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Oncogene-induced DNA replication stress activates the DNA damage response (DDR), a crucial anticancer barrier. DDR inactivation in these conditions promotes genome instability and tumor progression, but the underlying molecular mechanisms are elusive. We found that overexpression of both Cyclin E and Cdc25A rapidly slowed down replication forks and induced fork reversal, suggestive of increased topological stress. Surprisingly, these phenotypes, per se, are neither associated with chromosomal breakage nor with significant DDR activation. Oncogene-induced DNA breakage and DDR activation instead occurred upon persistent G2/M arrest or, in a checkpoint-defective context, upon premature CDK1 activation. Depletion of MUS81, a cell cycle-regulated nuclease, markedly limited chromosomal breakage and led to further accumulation of reversed forks. We propose that nucleolytic processing of unusual replication intermediates mediates oncogene-induced genotoxicity and that limiting such processing to mitosis is a central anti-tumorigenic function of the DNA damage checkpoints.

Indexed as

Chromosome BreakageDNA ReplicationG2 PhaseMitosisOncogenescdc25 PhosphatasesCDC2 Protein KinaseCell Line, TumorCyclin EDNA-Binding ProteinsEndonucleasesHumansCDC25A protein, humancdc25 PhosphatasesCDC2 Protein KinaseCyclin EDNA-Binding ProteinsEndonucleasesMUS81 protein, human

Identifiers

PMID23479741
PMCPMC3601361

What OpenQuestion holds

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LicenceCC BY-NC-SA
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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.