Evidence map›Paper›PMID 35246905›Full record

ReviewNeurogastroenterology and motility2022

Direct and indirect mechanisms by which the gut microbiota influence host serotonin systems.

Theresa B Legan, Brigitte Lavoie, Gary M Mawe

Abstract readReview
In one paragraph

Review in Neurogastroenterology and motility, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
–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

56 citing papers in PubMed.

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  11. Feeding of Undocked Pigs: Effects of Feed Components and Feed Composition.Animals : an open access journal from MDPI · 2026
    Review
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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

3 authors.

Theresa B LeganDepartment of Neurological Sciences, University of Vermont, Burlington, Vermont, USA.
Brigitte LavoieDepartment of Neurological Sciences, University of Vermont, Burlington, Vermont, USA.
Gary M MaweDepartment of Neurological Sciences, University of Vermont, Burlington, Vermont, USA.ORCID 0000-0001-8876-8468

Funding

Autoimmune mechanisms of gastrointestinal dysmotility in multiple sclerosisR01DK113800 · NIDDK · UNIVERSITY OF VERMONT & ST AGRIC COLLEGE · PI MAWE, GARY M · 2017 to 2020
$1.8M
Use of tryptophan-synthesizing bacteria to enhance intestinal motilityR21AT011203 · NCCIH · UNIVERSITY OF VERMONT & ST AGRIC COLLEGE · PI LAVOIE, BRIGITTE · 2021 to 2022
$421k
NCCIH NIH HHS R21 AT011203NIDDK NIH HHS R01 DK113800
6 · The paper itself

Abstract

Mounting evidence highlights the pivotal role of enteric microbes as a dynamic interface with the host. Indeed, the gut microbiota, located in the lumen of the gastrointestinal (GI) tract, influence many essential physiological processes that are evident in both healthy and pathological states. A key signaling molecule throughout the body is serotonin (5-hydroxytryptamine; 5-HT), which acts in the GI tract to regulate numerous gut functions including intestinal motility and secretion. The gut microbiota can modulate host 5-HT systems both directly and indirectly. Direct actions of gut microbes, evidenced by studies using germ-free animals or antibiotic administration, alter the expression of key 5-HT-related genes to promote 5-HT biosynthesis. Indirectly, the gut microbiota produce numerous microbial metabolites, whose actions can influence host serotonergic systems in a variety of ways. This review summarizes the current knowledge regarding mechanisms by which gut bacteria act to regulate host 5-HT and 5-HT-mediated gut functions, as well as implications for 5-HT in the microbiota-gut-brain axis.

Indexed as

Gastrointestinal MicrobiomeMicrobiotaAnimalsAnti-Bacterial AgentsGastrointestinal MotilityGastrointestinal TractSerotoninAnti-Bacterial AgentsSerotoninbacteriaenteric nervous systemgut-brain axismicrobial metabolitestryptophantryptophan synthase

Identifiers

PMID35246905
PMCPMC9441471

What OpenQuestion holds

Textmetadata
LicenceTDM
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.