Evidence map›Paper›PMID 22713703›Full record

ArticleRadiation oncology (London, England)2012

Increased Artemis levels confer radioresistance to both high and low LET radiation exposures.

Deepa M Sridharan, Mary K Whalen, Donna Almendrala, Francis A Cucinotta, Misako Kawahara, Steven M Yannone, Janice M Pluth

Open access · goldAbstract read
In one paragraph

Article in Radiation oncology (London, England), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 31% 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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

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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

7 authors at 2 institutions in 1 country.

Deepa M SridharanLife Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
Mary K Whalen
Donna Almendrala
Francis A Cucinotta
Misako Kawahara
Steven M Yannone
Janice M Pluth
Lawrence Berkeley National Laboratory · USJohnson Space Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundArtemis has a defined role in V(D)J recombination and has been implicated in the repair of radiation induced double-strand breaks. However the exact function(s) of Artemis in DNA repair and its preferred substrate(s) in vivo remain undefined. Our previous work suggests that Artemis is important for the repair of complex DNA damage like that inflicted by high Linear Energy Transfer (LET) radiation. To establish the contribution of Artemis in repairing DNA damage caused by various radiation qualities, we evaluated the effect of over-expressing Artemis on cell survival, DNA repair, and cell cycle arrest after exposure to high and low LET radiation.

resultsOur data reveal that Artemis over-expression confers marked radioprotection against both types of radiation, although the radioprotective effect was greater following high LET radiation. Inhibitor studies reveal that the radioprotection imparted by Artemis is primarily dependent on DNA-PK activity, and to a lesser extent on ATM kinase activity. Together, these data suggest a DNA-PK dependent role for Artemis in the repair of complex DNA damage.

conclusionsThese findings indicate that Artemis levels significantly influence radiation toxicity in human cells and suggest that Artemis inhibition could be a practical target for adjuvant cancer therapies.

Indexed as

DNA RepairLinear Energy TransferAtaxia Telangiectasia Mutated ProteinsCell CycleCell Cycle ProteinsCell ProliferationCell SurvivalDNA-Binding ProteinsDNA Breaks, Double-StrandedEndonucleasesFlow CytometryHEK293 CellsHumansKineticsNuclear ProteinsPhosphorylationAtaxia Telangiectasia Mutated ProteinsATM protein, humanCell Cycle ProteinsDCLRE1C protein, humanDNA-Binding ProteinsEndonucleasesNuclear ProteinsProtein Serine-Threonine KinasesTumor Suppressor Proteins

Identifiers

PMID22713703
PMCPMC3585927
OpenAlexW2138152352

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.