Evidence map›Paper›PMID 20981205›Full record

ArticleGut and liver2010

The role of bacteria in the pathogenesis of inflammatory bowel disease.

Melissa Friswell, Barry Campbell, Jonathan Rhodes

Open access · diamondAbstract read
In one paragraph

Article in Gut and liver, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 1 pooled it
6.8field-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

44 citing papers in PubMed, 1 synthesis or guideline pooled it, 91 citations in OpenAlex.

  1. The diagnostic value of polymerase chain reaction forSaudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association
    Pooled it
  2. Trial
  3. Review
  4. Review
  5. Review
  6. Review
  7. Article
  8. Oral Administration ofMicroorganisms · 2023
    Article
  9. Offense and Defense in Granulomatous Inflammation Disease.Frontiers in cellular and infection microbiology · 2022
    Review
  10. Review
  11. Review
  12. Review
  13. Comparative Pathogenomics ofInfection and immunity · 2021
    Article
  14. Article
  15. Review
  16. Article
  17. PersistentFrontiers in immunology · 2018
    Article
  18. Article
  19. PROBIOTICS - A PROBABLE THERAPEUTIC AGENT FOR SPONDYLOARTHROPATHY.International journal of probiotics & prebiotics · 2017
    Article
  20. Article
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

3 authors at 1 institution in 1 country.

Melissa FriswellGastroenterology Research Unit, University of Liverpool School of Clinical Sciences, Liverpool, UK.
Barry Campbell
Jonathan Rhodes
University of Liverpool · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

Crohn's disease (CD) and ulcerative colitis (UC) have features that suggest bacterial involvement, and all genetic models of inflammatory bowel disease (IBD) require the presence of commensal bacteria. CD is associated with innate immune response genes such as NOD2/CARD15 and the autophagy genes ATG16L1 and IRGM. However, IBD responds to immunosuppression, suggesting that any bacteria involved are not acting as conventional pathogens. Molecular techniques are rapidly advancing our knowledge of the gut microbiota. In CD there is reduced diversity, and notably a reduction in the probiotic Faecalibacterium prausnitzii, the presence of which in the terminal ileum is associated with a reduced risk of recurrence following surgery. There is also a consistent increase in mucosa-associated Escherichia coli with an "adherent and invasive" phenotype, which allows them to replicate inside macrophages and induce granulomas. Speculation that CD could be caused by the Mycobacterium avium subspecies paratuberculosis (MAP) continues. The response to antitumor necrosis factor treatments suggests that, if relevant at all, MAP is not acting as a conventional pathogen. However, there is increased colonization by MAP in CD, and there is evidence that it could have an indirect effect mediated by the suppression of macrophage function. UC relapse is frequently associated with infection by pathogens, but there is less evidence for involvement of a specific bacterial species. Poor barrier integrity followed by an inflammatory reaction to bacterial components, with chronicity maintained by an autoimmune process, seems a plausible pathogenic model. Bacterial theories of pathogenesis are now becoming testable by targeted therapeutic interventions.

Indexed as

BacteriaCrohnEscherichia coliInflammatory bowel diseaseUlcerative colitis

Identifiers

PMID20981205
PMCPMC2956340
OpenAlexW2034852490

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.