Evidence map›Paper›PMID 19672265›Full record

ArticleBritish journal of cancer2009

The role of apoptotic cell death in the radiosensitising effect of gemcitabine.

B Pauwels, J B Vermorken, A Wouters, J Ides, S Van Laere, H A J Lambrechts, G G O Pattyn, K Vermeulen, P Meijnders, F Lardon

Open access · hybridAbstract read
In one paragraph

Article in British journal of cancer, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
0.9field-weighted citation impact, top 27% 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

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 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

10 authors at 2 institutions in 1 country.

B PauwelsLaboratory of Cancer Research and Clinical Oncology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium. bea.pauwels@ua.ac.be
J B Vermorken
A Wouters
J Ides
S Van Laere
H A J Lambrechts
G G O Pattyn
K Vermeulen
P Meijnders
F Lardon
University of Antwerp · BEZNA Middelheim Hospital · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe aim of this study was to evaluate the radiosensitising effect of gemcitabine, in terms of cell-cycle progression, induction of apoptosis, and to investigate the molecular events regulating apoptosis.

methodsTumour cells were treated with gemcitabine, radiation, or the combination. 0-72 h after treatment, cells were collected for cell-cycle analysis and apoptosis determination. Caspase 8 and 9, Bid and tBid expression were determined by western blot. The mitochondrial membrane potential was determined using flow cytometry. An RT(2) Profiler PCR Array for human apoptotic genes was performed after the combination or TRAIL treatment.

resultsGemcitabine and radiation resulted in an early S-phase block immediately after treatment, after which the cells moved synchronously through the cell cycle. When cell-cycle distribution returned to pre-treatment levels, an increased induction of apoptosis was observed with activation of caspase 8 and 9 and a reduction of the mitochondrial membrane potential. Gene expression after treatment with radiosensitising conditions was comparable with expression after the TRAIL treatment.

conclusionA role for the cell-cycle perturbations and the induction of apoptosis could be attributed to the radiosensitising effect of gemcitabine. Apoptosis induction was comparable with the apoptotic pathway observed after the TRAIL treatment, that is the involvement of the extrinsic apoptosis pathway.

Indexed as

ApoptosisBH3 Interacting Domain Death Agonist ProteinBlotting, WesternCaspase 8Caspase 9Cell Line, TumorDeoxycytidineEnzyme ActivationFlow CytometryGemcitabineHumansIn Situ Nick-End LabelingMembrane Potential, MitochondrialPolymerase Chain ReactionRadiation-Sensitizing AgentsBH3 Interacting Domain Death Agonist ProteinBID protein, humanCaspase 8Caspase 9DeoxycytidineGemcitabineRadiation-Sensitizing Agents

Identifiers

PMID19672265
PMCPMC2736812
OpenAlexW2000073552

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.