Evidence map›Paper›PMID 29788224›Full record

ArticleInflammatory bowel diseases2018

Iron Sequestration in Microbiota Biofilms As A Novel Strategy for Treating Inflammatory Bowel Disease.

Jean-Paul Motta, Thibault Allain, Luke E Green-Harrison, Ryan A Groves, Troy Feener, Hena Ramay, Paul L Beck, Ian A Lewis, John L Wallace, Andre G Buret

Open access · bronzeAbstract read
In one paragraph

Article in Inflammatory bowel diseases, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.9field-weighted citation impact, top 13% 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

25 citing papers in PubMed, 46 citations in OpenAlex.

  1. Article
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  9. Article
  10. A thermo-resistant and RNase-sensitive cargo fromJournal of extracellular biology · 2023
    Article
  11. Review
  12. Article
  13. Review
  14. Leaky Gut in IBD: Intestinal Barrier-Gut Microbiota Interaction.Journal of microbiology and biotechnology · 2022
    Review
  15. Review
  16. Current and future aspects of IBD research and treatment: The 2022 perspective.Frontiers in gastroenterology (Lausanne, Switzerland) · 2022
    Review
  17. Review
  18. Review
  19. Gastrointestinal biofilms in health and disease.Nature reviews. Gastroenterology & hepatology · 2021
    Review
  20. 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

10 authors at 2 institutions in 1 country.

Jean-Paul MottaDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
Thibault AllainDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
Luke E Green-HarrisonDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
Ryan A GrovesDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
Troy FeenerDepartment of Physiology & Pharmacology, University of Calgary, Hospital Drive NW, Calgary, Alberta, Canada.
Hena RamayInternational Microbiome Centre, University of Calgary, Hospital Drive NW, Calgary, Alberta, Canada.
Paul L BeckDepartment of Medicine, University of Calgary, Hospital Drive NW, Calgary, Alberta, Canada.
Ian A LewisDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
John L WallaceDepartment of Physiology & Pharmacology, University of Calgary, Hospital Drive NW, Calgary, Alberta, Canada.
Andre G BuretDepartment of Biological Sciences, University of Calgary, University Drive NW, Calgary, Alberta, Canada.
University of Calgary · CACalgary General Hospital · CA

Funding

CIHR
6 · The paper itself

Abstract

Significant alterations of intestinal microbiota and anemia are hallmarks of inflammatory bowel disease (IBD). It is widely accepted that iron is a key nutrient for pathogenic bacteria, but little is known about its impact on microbiota associated with IBD. We used a model device to grow human mucosa-associated microbiota in its physiological anaerobic biofilm phenotype. Compared to microbiota from healthy donors, microbiota from IBD patients generate biofilms ex vivo that were larger in size and cell numbers, contained higher intracellular iron concentrations, and exhibited heightened virulence in a model of human intestinal epithelia in vitro and in the nematode Caenorhabditis elegans. We also describe an unexpected iron-scavenging property for an experimental hydrogen sulfide-releasing derivative of mesalamine. The findings demonstrate that this new drug reduces the virulence of IBD microbiota biofilms through a direct reduction of microbial iron intake and without affecting bacteria survival or species composition within the microbiota. Metabolomic analyses indicate that this drug reduces the intake of purine nucleosides (guanosine), increases the secretion of metabolite markers of purine catabolism (urate and hypoxanthine), and reduces the secretion of uracil (a pyrimidine nucleobase) in complex multispecies human biofilms. These findings demonstrate a new pathogenic mechanism for dysbiotic microbiota in IBD and characterize a novel mode of action for a class of mesalamine derivatives. Together, these observations pave the way towards a new therapeutic strategy for treatment of patients with IBD.

Indexed as

BiofilmsGastrointestinal MicrobiomeAdultAnimalsBacterial Physiological PhenomenaCase-Control StudiesDisease Models, AnimalDysbiosisFemaleHomeostasisHumansHydrogen SulfideInflammatory Bowel DiseasesIronMaleMesalamineHydrogen SulfideIronMesalamine

Identifiers

PMID29788224
PMCPMC5995063
OpenAlexW2804975500

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.