Evidence map›Paper›PMID 21977944›Full record

ArticleBMC gastroenterology2011

Increased intestinal permeability and tight junction disruption by altered expression and localization of occludin in a murine graft versus host disease model.

Rainer Noth, Julia Lange-Grumfeld, Eckhard Stüber, Marie-Luise Kruse, Mark Ellrichmann, Robert Häsler, Jochen Hampe, Burkhard Bewig, Philip Rosenstiel, Stefan Schreiber and 1 more

Open access · goldAbstract read
In one paragraph

Article in BMC gastroenterology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
3.2field-weighted citation impact, top 10% 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

45 citing papers in PubMed, 80 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

11 authors at 2 institutions in 1 country.

Rainer NothDepartment of Internal Medicine, University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany.
Julia Lange-Grumfeld
Eckhard Stüber
Marie-Luise Kruse
Mark Ellrichmann
Robert Häsler
Jochen Hampe
Burkhard Bewig
Philip Rosenstiel
Stefan Schreiber
Alexander Arlt
University of Lübeck · DEUniversity Hospital Schleswig-Holstein · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHematopoietic stem cell transplantation is increasingly performed for hematologic diseases. As a major side effect, acute graft versus host disease (GvHD) with serious gastrointestinal symptoms including diarrhea, gastrointestinal bleeding and high mortality can be observed. Because surveillance and biopsies of human gastrointestinal GvHD are difficult to perform, rare information of the alterations of the gastrointestinal barrier exists resulting in a need for systematic animal models.

methodsTo investigate the effects of GvHD on the intestinal barrier of the small intestine we utilized an established acute semi allogenic GvHD in C57BL/6 and B6D2F1 mice.

resultsBy assessing the differential uptake of lactulose and mannitol in the jejunum, we observed an increased paracellular permeability as a likely mechanism for disturbed intestinal barrier function. Electron microscopy, immunohistochemistry and PCR analysis indicated profound changes of the tight-junction complex, characterized by downregulation of the tight junction protein occludin without any changes in ZO-1. Furthermore TNF-α expression was significantly upregulated.

conclusionsThis analysis in a murine model of GvHD of the small intestine demonstrates serious impairment of intestinal barrier function in the jejunum, with an increased permeability and morphological changes through downregulation and localization shift of the tight junction protein occludin.

Indexed as

AnimalsDisease Models, AnimalDown-RegulationGraft vs Host DiseaseImmunohistochemistryJejunumLactuloseMannitolMembrane ProteinsMiceMice, Inbred C57BLMicroscopy, ElectronMicroscopy, FluorescenceOccludinPermeabilityPolymerase Chain ReactionLactuloseMannitolMembrane ProteinsOccludinOCLN protein, humanOcln protein, mouseTumor Necrosis Factor-alpha

Identifiers

PMID21977944
PMCPMC3198696
OpenAlexW2048691571

What OpenQuestion holds

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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.