Evidence map›Paper›PMID 21283807›Full record

ArticlePloS one2011

Transient alteration of cellular redox buffering before irradiation triggers apoptosis in head and neck carcinoma stem and non-stem cells.

Anthony Boivin, Maité Hanot, Céline Malesys, Mira Maalouf, Robert Rousson, Claire Rodriguez-Lafrasse, Dominique Ardail

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 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

26 citing papers in PubMed, 51 citations in OpenAlex.

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  6. A Redox-active Mn Porphyrin, MnTnBuOE-2-PyPOxidative medicine and cellular longevity · 2022
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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 3 institutions in 1 country.

Anthony BoivinUniversité de Lyon, Université Lyon-I, Lyon, France.
Maité Hanot
Céline Malesys
Mira Maalouf
Robert Rousson
Claire Rodriguez-Lafrasse
Dominique Ardail
Laboratoire de Biologie et Modélisation de la Cellule · FRUniversité Claude Bernard Lyon 1 · FRHospices Civils de Lyon · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHead and neck squamous cell carcinoma (HNSCC) is an aggressive and recurrent malignancy owing to intrinsic radioresistance and lack of induction of apoptosis. The major focus of this work was to design a transient glutathione depleting strategy during the course of irradiation of HNSCC in order to overcome their radioresistance associated with redox adaptation. METHODOLOGY/PRINCIPAL

findingsTreatment of SQ20B cells with dimethylfumarate (DMF), a GSH-depleting agent, and L-Buthionine sulfoximine (BSO), an inhibitor of GSH biosynthesis 4 h before a 10 Gy irradiation led to the lowering of the endogenous GSH content to less than 10% of that in control cells and to the triggering of radiation-induced apoptotic cell death. The sequence of biochemical events after GSH depletion and irradiation included ASK-1 followed by JNK activation which resulted in the triggering of the intrinsic apoptotic pathway through Bax translocation to mitochondria.

conclusionsThis transient GSH depletion also triggered radiation-induced cell death in SQ20B stem cells, a key event to overcome locoregional recurrence of HNSCC. Finally, our in vivo data highlight the relevance for further clinical trials of endogenous redox modulation to enhance the cytotoxic effects of radiotherapy.

Indexed as

ApoptosisCarcinoma, Squamous CellHead and Neck NeoplasmsNeoplastic Stem CellsAdaptation, Physiologicalbcl-2-Associated X ProteinBuffersButhionine SulfoximineCarcinomaCell Line, TumorDimethyl FumarateFumaratesGlutathioneHumansJNK Mitogen-Activated Protein KinasesMAP Kinase Kinase Kinase 5bcl-2-Associated X ProteinBuffersButhionine SulfoximineDimethyl FumarateFumaratesGlutathioneJNK Mitogen-Activated Protein KinasesMAP3K5 protein, humanMAP Kinase Kinase Kinase 5

Identifiers

PMID21283807
PMCPMC3023721
OpenAlexW2034417993

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.