Evidence map›Paper›PMID 15587932›Full record

ArticlePharmaceutical research2004

Effects of an E-cadherin-derived peptide on the gene expression of Caco-2 cells.

Anna Maria Calcagno, Jennifer M Fostel, Eric L Reyner, Ernawati Sinaga, James T Alston, William B Mattes, Teruna J Siahaan, Joseph A Ware

Abstract read
PubMed Publisher
In one paragraph

Article in Pharmaceutical research, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed, 1 pooled it
–field-weighted citation impact, top 93% 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

2 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.

  1. Pooled it
  2. Review
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.

Anna Maria CalcagnoDepartment of Pharmaceutical Chemistry, The University of Kansas, Lawrence, Kansas 66047, USA. calcagnoa@mail.nih.gov
Jennifer M Fostel
Eric L Reyner
Ernawati Sinaga
James T Alston
William B Mattes
Teruna J Siahaan
Joseph A Ware
Kalamazoo College · USUniversity of Kansas · USPfizer (United States) · US

Funding

PHARMACEUTICAL ASPECTS OF BIOTECHNOLOGY TRAININGT32GM008359 · NIGMS · UNIVERSITY OF KANSAS LAWRENCE · PI SIAHAAN, TERUNA J., VOLKIN, DAVID · 1989 to 2018
$5.0M
Modulation of the Intercellular Junction CadherinsR01EB000226 · NIBIB · UNIVERSITY OF KANSAS LAWRENCE · PI SIAHAAN, TERUNA J. · 2002 to 2004
$681k
NIBIB NIH HHS EB 00226NIGMS NIH HHS GM 08359
6 · The paper itself

Abstract

purposeThe goal of this study was to determine the effects of exposure to an HAV peptide (Ac-SHAVSS-NH2) on the protein and gene expression in Caco-2 cells, a model for the intestinal mucosa.

methodsCaco-2 cells were incubated with either 100 or 500 microM of the hexapeptide then evaluated over a 48-h time period.

resultsCell detachment from the monolayer was seen only after 48 h of exposure to the peptide, with the greatest effects occurring with a peptide concentration of 500 microM. Total protein expression of E-cadherin showed a decrease of nearly 20% at the 24-h time point for each concentration examined, whereas no significant changes were detected at the other time points studied. Short term exposure to a 500 microM solution of Ac-SHAVSS-NH2 caused few changes in gene expression as determined by Affymetrix GeneChip microarrays; however, longer exposure periods produced numerous changes in the treated cells. The variations in mRNA expression indicate that this HAV peptide has an effect in the E-cadherin signaling pathways. The greatest increases in mRNA expression were found in genes regulating excretion or degradation of the peptide.

conclusionsThis work suggests that this HAV peptide produces effects that reach beyond modulation of adhesion.

Indexed as

ActinsBlotting, WesternCaco-2 CellsCadherinsCell AggregationGene ExpressionHumansOligonucleotide Array Sequence AnalysisPeptidesRNAActinsCadherinsPeptidesRNA

Identifiers

PMID15587932
OpenAlexW1975520362

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.