Evidence map›Paper›PMID 31910436›Full record

ArticlePloS one2020

Microvesicles from Lactobacillus reuteri (DSM-17938) completely reproduce modulation of gut motility by bacteria in mice.

Christine L West, Andrew M Stanisz, Yu-Kang Mao, Kevin Champagne-Jorgensen, John Bienenstock, Wolfgang A Kunze

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
12.9field-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

32 citing papers in PubMed, 58 citations in OpenAlex.

  1. Trial
  2. Review
  3. Nutrients · 2026
    Article
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  10. Applied and environmental microbiology · 2024
    Article
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  14. Effects ofInternational journal of molecular sciences · 2023
    Article
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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

6 authors at 1 institution in 1 country.

Christine L WestMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.ORCID 0000-0001-6518-8137
Andrew M StaniszMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.
Yu-Kang MaoMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.
Kevin Champagne-JorgensenMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.
John BienenstockMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.
Wolfgang A KunzeMcMaster Brain-Body Institute, St. Joseph's Healthcare, Hamilton, ON, Canada.
St. Joseph’s Healthcare Hamilton · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Microvesicles are small lipid, bilayer structures (20-400 nm in diameter) secreted by bacteria, fungi, archaea and parasites involved in inter-bacterial communication and host-pathogen interactions. Lactobacillus reuteri DSM-17938 (DSM) has been shown to have clinical efficacy in the treatment of infantile colic, diarrhea and constipation. We have shown previously that luminal administration to the mouse gut promotes reduction of jejunal motility but increases that in the colon. The production of microvesicles by DSM has been characterized, but the effect of these microvesicles on gastrointestinal motility has yet to be evaluated. To investigate a potential mechanism for the effects of DSM on the intestine, the bacteria and its products have here been tested for changes in velocity, frequency, and amplitude of contractions in intact segments of jejunum and colon excised from mice. The effect of the parent bacteria (DSM) was compared to the conditioned media in which it was grown, and the microvesicles it produced. The media used to culture the bacteria (broth) was tested as a negative control and the conditioned medium was tested after the microvesicles had been removed. DSM, conditioned medium, and the microvesicles all produced comparable effects in both the jejunum and the colon. The treatments individually decreased the velocity and frequency of propagating contractile cluster contractions in the jejunum and increased them in the colon to a similar degree. The broth control had little effect in both tissues. Removal of the microvesicles from the conditioned medium almost completely eradicated their effect on motility in both tissues. These results show that the microvesicles from DSM alone can completely reproduce the effects of the whole bacteria on gut motility. Furthermore, they suggest a new approach to the formulation of orally active bacterial therapeutics and offer a novel way to begin to identify the active bacterial components.

Indexed as

AnimalsCell-Derived MicroparticlesColicColonConstipationDiarrheaGastrointestinal MotilityHumansJejunumLimosilactobacillus reuteriMiceProbiotics

Identifiers

PMID31910436
PMCPMC6946587
OpenAlexW2999827011

What OpenQuestion holds

Textmetadata
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.