Evidence map›Paper›PMID 17637685›Full record

ArticleBritish journal of cancer2007

Tissue level, activation and cellular localisation of TGF-beta1 and association with survival in gastric cancer patients.

L J A C Hawinkels, H W Verspaget, W van Duijn, J M van der Zon, K Zuidwijk, F J G M Kubben, J H Verheijen, D W Hommes, C B H W Lamers, C F M Sier

Open access · hybridAbstract read
In one paragraph

Article in British journal of cancer, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
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

58 citing papers in PubMed, 85 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 1 institution in 1 country.

L J A C HawinkelsDepartment of Gastroenterology and Hepatology, Leiden University Medical Centre, Leiden, The Netherlands.
H W Verspaget
W van Duijn
J M van der Zon
K Zuidwijk
F J G M Kubben
J H Verheijen
D W Hommes
C B H W Lamers
C F M Sier
Leiden University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Transforming growth factor-beta1 (TGF-beta1), a tumour suppressing as well as tumour-promoting cytokine, is stored as an extracellular matrix-bound latent complex. We examined TGF-beta1 activation and localisation of TGF-beta1 activity in gastric cancer. Gastric tumours showed increased stromal and epithelial total TGF-beta1 staining by immunohistochemistry. Active TGF-beta1 was present in malignant epithelial cells, but most strongly in smooth muscle actin expressing fibroblasts. Normal gastric mucosa from the same patient showed some staining for total, and little for active TGF-beta1. Active TGF-beta1 levels were determined by ELISA on tissue homogenates, confirming a strong increase in active TGF-beta1 in tumours compared to corresponding normal mucosa. Moreover, high tumour TGF-beta1 activity levels were significantly associated with clinical parameters, including worse survival of the patients. Total and active TGF-beta1 levels were not correlated, suggesting a specific activation process. Of the different proteases tested, active TGF-beta1 levels were only correlated with urokinase activity levels. The correlation with urokinase activity suggests a role for plasmin in TGF-beta1 activation in the tumour microenvironment, resulting in transformation of resident fibroblasts to tumour promoting myofibroblasts. In conclusion we have shown localisation and clinical relevance of TGF-beta1 activity levels in gastric cancer.

Indexed as

Survival AnalysisAgedFemaleHumansImmunohistochemistryMaleMiddle AgedStomach NeoplasmsTransforming Growth Factor beta1Transforming Growth Factor beta1

Identifiers

PMID17637685
PMCPMC2360315
OpenAlexW2022849203

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.