Evidence map›Paper›PMID 26317153›Full record

ArticleCell cycle (Georgetown, Tex.)2015

High levels of RAD51 perturb DNA replication elongation and cause unscheduled origin firing due to impaired CHK1 activation.

Ann Christin Parplys, Jasna Irena Seelbach, Saskia Becker, Matthias Behr, Agnieszka Wrona, Camilla Jend, Wael Yassin Mansour, Simon Andreas Joosse, Horst-Werner Stuerzbecher, Helmut Pospiech and 3 more

Open access · bronzeAbstract read
In one paragraph

Article in Cell cycle (Georgetown, Tex.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

27 citing papers in PubMed, 37 citations in OpenAlex.

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  7. Partial Reduction inInternational journal of molecular sciences · 2022
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  18. The Post-Synaptic Function of Brca2.Scientific reports · 2019
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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

13 authors at 5 institutions in 4 countries.

Ann Christin Parplysa Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Jasna Irena Seelbacha Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Saskia Beckera Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Matthias Behra Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Agnieszka Wronaa Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Camilla Jenda Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Wael Yassin Mansoura Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Simon Andreas Joossed Department of Tumor Biology ; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Horst-Werner Stuerzbechere Institute of Pathology; University Hospital Schleswig-Holstein-Campus ; Lübeck , Germany.
Helmut Pospiechf Leibniz Institute for Age Research - Fritz Lipmann Institute ; Jena , Germany.
Cordula Petersenc Department of Radiotherapy and Radiooncology ; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Ekkehard Dikomeya Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
Kerstin Borgmanna Laboratory of Radiobiology & Experimental Radiooncology; University Medical Center Hamburg-Eppendorf ; Hamburg , Germany.
University Medical Center Hamburg-Eppendorf · DEUniversität Hamburg · DECairo University · EGUniversity of Lübeck · DEUniversity of Oulu · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In response to replication stress ATR signaling through CHK1 controls the intra-S checkpoint and is required for the maintenance of genomic integrity. Homologous recombination (HR) comprises a series of interrelated pathways that function in the repair of DNA double strand breaks and interstrand crosslinks. In addition, HR, with its key player RAD51, provides critical support for the recovery of stalled forks during replication. High levels of RAD51 are regularly found in various cancers, yet little is known about the effect of the increased RAD51 expression on intra-S checkpoint signaling. Here, we describe a role for RAD51 in driving genomic instability caused by impaired replication and intra-S mediated CHK1 signaling by studying an inducible RAD51 overexpression model as well as 10 breast cancer cell lines. We demonstrate that an excess of RAD51 decreases I-Sce-I mediated HR despite formation of more RAD51 foci. Cells with high RAD51 levels display reduced elongation rates and excessive dormant origin firing during undisturbed growth and after damage, likely caused by impaired CHK1 activation. In consequence, the inability of cells with a surplus of RAD51 to properly repair complex DNA damage and to resolve replication stress leads to higher genomic instability and thus drives tumorigenesis.

Indexed as

Cell Line, TumorCheckpoint Kinase 1DNA Breaks, Double-StrandedDNA DamageDNA RepairDNA ReplicationGenomic InstabilityHomologous RecombinationHumansProtein KinasesRad51 RecombinaseSignal TransductionCheckpoint Kinase 1CHEK1 protein, humanProtein KinasesRad51 RecombinaseCHK1 activationgenomic instabilityhomologous recombinationRAD51 overexpressionreplication fork elongation

Identifiers

PMID26317153
PMCPMC4825602
OpenAlexW1886260756

What OpenQuestion holds

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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.