Evidence map›Paper›PMID 24728052›Full record

ArticlePloS one2014

Expression of the EGF family in gastric cancer: downregulation of HER4 and its activating ligand NRG4.

Trine Ostergaard Nielsen, Lennart Friis-Hansen, Steen Seier Poulsen, Birgitte Federspiel, Boe Sandahl Sorensen

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
3.0field-weighted citation impact, top 8% 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, 1 synthesis or guideline pooled it, 48 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
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  19. The up-regulation of miR-300 in gastric cancer and its effects on cells malignancy.International journal of clinical and experimental medicine · 2015
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  20. MicroRNA-126 regulates migration and invasion of gastric cancer by targeting CADM1.International journal of clinical and experimental pathology · 2015
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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

5 authors at 4 institutions in 1 country.

Trine Ostergaard NielsenDepartment of Clinical Biochemistry, Aarhus University Hospital, Aarhus C, Denmark.
Lennart Friis-HansenDepartment of Biomedical Sciences, and The Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Steen Seier PoulsenCenter for Genomic Medicine, Rigshospitalet, University of Copenhagen, Rigshospitalet, Copenhagen, Denmark.
Birgitte FederspielDepartment of Pathology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
Boe Sandahl SorensenDepartment of Clinical Biochemistry, Aarhus University Hospital, Aarhus C, Denmark.
Aarhus University Hospital · DKNovo Nordisk Foundation · DKRigshospitalet · DKUniversity of Copenhagen · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gastric cancer is a major cause of cancer-related deaths in both men and women. The epidermal growth factor receptors are EGFR, HER2, HER3 and HER4. Of the four epidermal growth factor receptors, EGFR and HER2 are well-known oncogenes involved in gastric cancer. Little, however, is known about the role played by HER3 and HER4 in this disease. We obtained paired samples from the tumor and the adjacent normal tissue from the same patient undergoing surgery for gastric cancer. Using RT-qPCR, we quantified the mRNA expression of the four receptors including the HER4 splicing isoforms and all the ligands activating these receptors. Using immunohistochemistry, the protein expression of HER4 was also quantified. We found that HER2 mRNA expression was upregulated in the tumor tissue compared to the matched normal tissue (p = 0.0520). All ligands with affinity for EGFR were upregulated, whereas the expression of EGFR was unchanged. Interestingly, we found the mRNA expression of HER4 (p = 0.0002) and its ligand NRG4 (p = 0.0009) to be downregulated in the tumor tissue compared to the matched normal tissue. HER4 downregulation was demonstrated for all the alternatively spliced isoforms of this receptor. These results support the involvement of EGFR and HER2 in gastric cancer and suggest an interesting association of reduced HER4 expression with development of gastric cancer.

Indexed as

Gene Expression Regulation, NeoplasticAdultAgedAged, 80 and overDown-RegulationEGF Family of ProteinsErbB ReceptorsFemaleHumansImmunohistochemistryLigandsMaleMiddle AgedNeuregulinsReceptor, ErbB-4RNA, MessengerEGF Family of ProteinsErbB ReceptorsLigandsneuregulin-4NeuregulinsReceptor, ErbB-4RNA, Messenger

Identifiers

PMID24728052
PMCPMC3984243
OpenAlexW2007622202

What OpenQuestion holds

Textmetadata
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.