Evidence map›Paper›PMID 30467421›Full record

ArticleScientific reports2018

The prevalence and transcriptional activity of the mucosal microbiota of ulcerative colitis patients.

Aina E Fossum Moen, Jonas Christoffer Lindstrøm, Tone Møller Tannæs, Simen Vatn, Petr Ricanek, Morten H Vatn, Jørgen Jahnsen, IBD-Character Consortium

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

16 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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

8 authors.

Aina E Fossum MoenDepartment of Clinical Molecular Biology (EpiGen), Division of Medicine, Akershus University Hospital, Lørenskog, and University of Oslo, Oslo, Norway.ORCID http://orcid.org/0000-0002-1892-846X
Jonas Christoffer LindstrømHealth Services Research Unit, Akershus University Hospital, Lørenskog, Norway.
Tone Møller TannæsDepartment of Clinical Molecular Biology (EpiGen), Division of Medicine, Akershus University Hospital, Lørenskog, and University of Oslo, Oslo, Norway. t.m.tannas@medisin.uio.no.ORCID http://orcid.org/0000-0002-4779-2303
Simen VatnDepartment of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, and University of Oslo, Oslo, Norway.
Petr RicanekDepartment of Gastroenterology, Division of Medicine, Akershus University Hospital, Lørenskog, and University of Oslo, Oslo, Norway.
Morten H VatnInstitute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway.
Jørgen JahnsenInstitute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway.
IBD-Character Consortium

Funding

Medical Research Council G0701898Medical Research Council G0800675
6 · The paper itself

Abstract

Active microbes likely have larger impact on gut health status compared to inactive or dormant microbes. We investigate the composition of active and total mucosal microbiota of treatment-naïve ulcerative colitis (UC) patients to determine the microbial picture at the start-up phase of disease, using both a 16S rRNA transcript and gene amplicon sequencing. DNA and RNA were isolated from the same mucosal colonic biopsies. Our aim was to identify active microbial members of the microbiota in early stages of disease and reveal which members are present, but do not act as major players. We demonstrated differences in active and total microbiota of UC patients when comparing inflamed to non-inflamed tissue. Several taxa, among them the Proteobacteria phyla and families therein, revealed lower transcriptional activity despite a high presence. The Bifidobacteriaceae family of the Actinobacteria phylum showed lower abundance in the active microbiota, although no difference in presence was detected. The most abundant microbiota members of the inflamed tissue in UC patients were not the most active. Knowledge of active members of microbiota in UC patients could enhance our understanding of disease etiology. The active microbial community composition did not deviate from the total when comparing UC patients to non-IBD controls.

Indexed as

AdultAgedBacteriaColitis, UlcerativeDNA, BacterialDNA, RibosomalFemaleGene Expression ProfilingGene Expression Regulation, BacterialHumansIntestinal MucosaMaleMiddle AgedPrevalenceRNA, Ribosomal, 16SSequence Analysis, DNADNA, BacterialDNA, RibosomalRNA, Ribosomal, 16S

Identifiers

PMID30467421
PMCPMC6250705

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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.