Evidence map›Paper›PMID 26218526›Full record

ArticlePloS one2015

Bifidobacterium longum CCM 7952 Promotes Epithelial Barrier Function and Prevents Acute DSS-Induced Colitis in Strictly Strain-Specific Manner.

Dagmar Srutkova, Martin Schwarzer, Tomas Hudcovic, Zuzana Zakostelska, Vladimir Drab, Alena Spanova, Bohuslav Rittich, Hana Kozakova, Irma Schabussova

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed, 1 pooled it
20.8field-weighted citation impact, top 1% 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

88 citing papers in PubMed, 1 synthesis or guideline pooled it, 171 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Review
  5. Restoring low-fiber diets-inducedCurrent research in food science · 2026
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  8. Elucidating the role ofProceedings of the National Academy of Sciences of the United States of America · 2025
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  10. Probiotics and the intestinal tight junction barrier function.Frontiers in cell and developmental biology · 2025
    Review
  11. Proteomic study ofFrontiers in microbiology · 2025
    Article
  12. Review
  13. Article
  14. Article
  15. Review
  16. Nutrients · 2024
    Article
  17. Review
  18. Article
  19. Frontiers in microbiology · 2024
    Article
  20. Article

28 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

9 authors at 4 institutions in 2 countries.

Dagmar SrutkovaLaboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Novy Hradek, Czech Republic.
Martin SchwarzerLaboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Novy Hradek, Czech Republic.
Tomas HudcovicLaboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Novy Hradek, Czech Republic.
Zuzana ZakostelskaLaboratory of Cellular and Molecular Immunology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czech Republic.
Vladimir DrabDairy Research Institute Ltd., Prague, Czech Republic.
Alena SpanovaBrno University of Technology, Faculty of Chemistry, Brno, Czech Republic.
Bohuslav RittichBrno University of Technology, Faculty of Chemistry, Brno, Czech Republic.
Hana KozakovaLaboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Novy Hradek, Czech Republic.
Irma SchabussovaInstitute of Specific Prophylaxis and Tropical Medicine, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
Czech Academy of Sciences · CZBrno University of Technology · CZCzech Academy of Sciences, Institute of Microbiology · CZMedical University of Vienna · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundReduced microbial diversity has been associated with inflammatory bowel disease (IBD) and probiotic bacteria have been proposed for its prevention and/or treatment. Nevertheless, comparative studies of strains of the same subspecies for specific health benefits are scarce. Here we compared two Bifidobacterium longum ssp. longum strains for their capacity to prevent experimental colitis.

methodsImmunomodulatory properties of nine probiotic bifidobacteria were assessed by stimulation of murine splenocytes. The immune responses to B. longum ssp. longum CCM 7952 (Bl 7952) and CCDM 372 (Bl 372) were further characterized by stimulation of bone marrow-derived dendritic cell, HEK293/TLR2 or HEK293/NOD2 cells. A mouse model of dextran sulphate sodium (DSS)-induced colitis was used to compare their beneficial effects in vivo.

resultsThe nine bifidobacteria exhibited strain-specific abilities to induce cytokine production. Bl 372 induced higher levels of both pro- and anti-inflammatory cytokines in spleen and dendritic cell cultures compared to Bl 7952. Both strains engaged TLR2 and contain ligands for NOD2. In a mouse model of DSS-induced colitis, Bl 7952, but not Bl 372, reduced clinical symptoms and preserved expression of tight junction proteins. Importantly, Bl 7952 improved intestinal barrier function as demonstrated by reduced FITC-dextran levels in serum.

conclusionsWe have shown that Bl 7952, but not Bl 372, protected mice from the development of experimental colitis. Our data suggest that although some immunomodulatory properties might be widespread among the genus Bifidobacterium, others may be rare and characteristic only for a specific strain. Therefore, careful selection might be crucial in providing beneficial outcome in clinical trials with probiotics in IBD.

Indexed as

Disease Models, AnimalAnimalsBifidobacteriumColitisDendritic CellsDextran SulfateFemaleHEK293 CellsHumansImmunoenzyme TechniquesIntestinesMiceMice, Inbred BALB CNod2 Signaling Adaptor ProteinProbioticsToll-Like Receptor 2Dextran SulfateNod2 Signaling Adaptor ProteinTlr2 protein, mouseToll-Like Receptor 2

Identifiers

PMID26218526
PMCPMC4517903
OpenAlexW1908000692

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.