Evidence map›Paper›PMID 15917414›Full record

ArticleJournal of clinical pathology2005

Differential expression of the eukaryotic release factor 3 (eRF3/GSPT1) according to gastric cancer histological types.

J Malta-Vacas, C Aires, P Costa, A R Conde, S Ramos, A P Martins, C Monteiro, M Brito

Open access · bronzeAbstract read
In one paragraph

Article in Journal of clinical pathology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
0.9field-weighted citation impact, top 28% 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

22 citing papers in PubMed, 43 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

8 authors at 3 institutions in 1 country.

J Malta-VacasEscola Superior de Tecnologia da Saúde de Lisboa, 1990-096 Lisboa, Portugal.
C Aires
P Costa
A R Conde
S Ramos
A P Martins
C Monteiro
M Brito
Instituto Politécnico de Lisboa · PTHospital de Santa Cruz · PTUniversity of Lisbon · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere are now several lines of evidence to suggest that protein synthesis and translation factors are involved in the regulation of cell proliferation and cancer development.

aimsTo investigate gene expression patterns of eukaryotic releasing factor 3 (eRF3) in gastric cancer.

methodsRNA was prepared from 25 gastric tumour biopsies and adjacent non-neoplastic mucosa. Real time TaqMan reverse transcription polymerase chain reaction (RT-PCR) was performed to measure the relative gene expression levels. DNA was isolated from tumour and normal tissues and gene dosage was determined by a quantitative real time PCR using SYBR Green dye.

resultsDifferent histological types of gastric tumours were analysed and nine of the 25 tumours revealed eRF3/GSPT1 overexpression; moreover, eight of the 12 intestinal type carcinomas analysed overexpressed the gene, whereas eRF3/GSPT1 was overexpressed in only one of the 10 diffuse type carcinomas (Kruskal-Wallis Test; p < 0.05). No correlation was found between ploidy and transcript expression levels of eRF3/GSPT1. Overexpression of eRF3/GSPT1 was not associated with increased translation rates because the upregulation of eRF3/GSPT1 did not correlate with increased eRF1 levels.

conclusionsOverexpression of eRF3/GSPT1 in intestinal type gastric tumours may lead to an increase in the translation efficiency of specific oncogenic transcripts. Alternatively, eRF3/GSPT1 may be involved in tumorigenesis as a result of its non-translational roles, namely (dis)regulating the cell cycle, apoptosis, or transcription.

Indexed as

AdultAgedAged, 80 and overDNA, NeoplasmGene DosageHumansMiddle AgedNeoplasm ProteinsPeptide Termination FactorsReverse Transcriptase Polymerase Chain ReactionRNA, NeoplasmStomach NeoplasmsUp-RegulationDNA, NeoplasmNeoplasm Proteinspeptide-chain-release factor 3Peptide Termination FactorsRNA, Neoplasm

Identifiers

PMID15917414
PMCPMC1770693
OpenAlexW2134596328

What OpenQuestion holds

Textmetadata
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.