Evidence map›Paper›PMID 21956244›Full record

ReviewMucosal immunology2011

Regulation of the polymeric immunoglobulin receptor and IgA transport: new advances in environmental factors that stimulate pIgR expression and its role in mucosal immunity.

F-E Johansen, C S Kaetzel

Open access · bronzeAbstract readReview
In one paragraph

Review in Mucosal immunology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 182 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
182citing papers in PubMed, 1 pooled it
5.9field-weighted citation impact, top 3% 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

182 citing papers in PubMed, 1 synthesis or guideline pooled it, 348 citations in OpenAlex.

  1. Influence of Alcohol on the Intestinal Immune System.Alcohol research : current reviews · 2025
    Pooled it
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  7. TheCells · 2026
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122 more citing papers are in PubMed but not listed here.

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

2 authors at 2 institutions in 2 countries.

F-E JohansenDepartment of Pathology, Centre for Immune Regulation, University of Oslo and Oslo University Hospital, Oslo, Norway.
C S Kaetzel
Oslo University Hospital · NOUniversity of Kentucky · US

Funding

Novel in vivo models for cell-type specific MyD88 signaling in the intestineR21AI069027 · NIAID · UNIVERSITY OF KENTUCKY · PI KAETZEL, CHARLOTTE S · 2007 to 2009
$524k
NIAID NIH HHS R21 AI069027NIAID NIH HHS R21AI069027
6 · The paper itself

Abstract

Secretory IgA (SIgA) antibodies represent the first line of antigen-specific immune defense protecting the mucosal surfaces against environmental pathogens and antigens, and maintaining homeostasis with the commensal microbiota. The polymeric immunoglobulin receptor (pIgR) has the dual role of transporting locally produced dimeric IgA across mucosal epithelia, and serving as the precursor of secretory component, a glycoprotein that enhances the immune functions of SIgA. The complex regulation of pIgR expression and transcytosis by host and microbial factors is finely tuned to optimize the role of SIgA in mucosal immunity. Disruption of this regulatory network in disease states similar to inflammatory bowel disease can result in profound consequences for mucosal homeostasis and systemic sequelae. Future research into the function and regulation of pIgR and SIgA may offer new insights into the prevention and treatment of infectious and inflammatory diseases that originate at mucosal surfaces.

Indexed as

Immunity, MucosalAnimalsEnvironmental ExposureGene Expression RegulationHumansImmunoglobulin AInflammatory Bowel DiseasesIntestinal MucosaMucociliary ClearanceReceptors, FcTranscytosisIgA receptorImmunoglobulin Apolymeric IgAReceptors, Fc

Identifiers

PMID21956244
PMCPMC3196803
OpenAlexW2048814693

What OpenQuestion holds

Textmetadata
LicenceTDM
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.