Evidence map›Paper›PMID 29902441›Full record

ArticleCell host & microbe2018

Gut Microbiota-Produced Tryptamine Activates an Epithelial G-Protein-Coupled Receptor to Increase Colonic Secretion.

Yogesh Bhattarai, Brianna B Williams, Eric J Battaglioli, Weston R Whitaker, Lisa Till, Madhusudan Grover, David R Linden, Yasutada Akiba, Karunya K Kandimalla, Nicholas C Zachos and 5 more

Open access · bronzeAbstract read
In one paragraph

Article in Cell host & microbe, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 258 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
258citing papers in PubMed, 3 pooled it
12.1field-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

258 citing papers in PubMed, 3 syntheses or guidelines pooled it, 417 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  4. Article
  5. Irritable bowel syndrome.Nature reviews. Disease primers · 2026
    Review
  6. Article
  7. Enterochromaffin cells as a cellular integration hub for cooperative microbial signaling to modulate gut serotonin and motility.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
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  11. Tracing NADCell reports · 2026
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198 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

15 authors at 8 institutions in 1 country.

Yogesh BhattaraiDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA.
Brianna B WilliamsDepartment of Bioengineering and ChEM-H, Stanford University, Stanford, CA 94305, USA.
Eric J BattaglioliDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA.
Weston R WhitakerDepartment of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94304, USA.
Lisa TillDepartment of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA.
Madhusudan GroverDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA.
David R LindenDepartment of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA.
Yasutada AkibaDepartment of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Greater Los Angeles Veterans Affairs Healthcare System, Los Angeles, CA 90073, USA; Brentwood Biomedical Research Institute, Los Angeles, CA 90073, USA.
Karunya K KandimallaDepartment of Pharmaceutics, University of Minnesota, Minneapolis, MN 55455, USA.
Nicholas C ZachosDepartment of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Jonathan D KaunitzDepartment of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Greater Los Angeles Veterans Affairs Healthcare System, Los Angeles, CA 90073, USA; Brentwood Biomedical Research Institute, Los Angeles, CA 90073, USA; Department of Surgery, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.
Justin L SonnenburgDepartment of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94304, USA.
Michael A FischbachDepartment of Bioengineering and ChEM-H, Stanford University, Stanford, CA 94305, USA.
Gianrico FarrugiaDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA; Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL 32224, USA.
Purna C KashyapDivision of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA. Electronic address: kashyap.purna@mayo.edu.
Stanford University · USMayo Clinic · USMayo Clinic in Arizona · USMayo Clinic in Florida · USUniversity of California, Los Angeles · USJohns Hopkins University · USUniversity of Minnesota · USWinnMed · US

Funding

PILOT AND FEASIBILTY PROGRAMP30DK084567 · NIDDK · MAYO CLINIC ROCHESTER · PI Nicholas F. LaRusso · 2009 to 2026
$22.2M
Pilot and Feasibility ProgramP30DK041301 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI TACHE, YVETTE FRANCE · 1990 to 2019
$18.0M
Translational Research Enhancement CoreP30DK089502 · NIDDK · JOHNS HOPKINS UNIVERSITY · PI ZACHOS, NICHOLAS CONSTANTINE · 2011 to 2020
$12.0M
Mechanisms of alteration of GI physiology by gut microbesR01DK114007 · NIDDK · MAYO CLINIC ROCHESTER · PI Purna C Kashyap · 2017 to 2026
$4.7M
"Barrier function alterations in post-infectious irritable bowel syndrome"K23DK103911 · NIDDK · MAYO CLINIC ROCHESTER · PI GROVER, MADHUSUDAN · 2015 to 2019
$804k
MECHANISMS OF ALTERATION OF GASTROINTESTINAL MOTILITY BY GUT MICROBIOTAK08DK100638 · NIDDK · MAYO CLINIC ROCHESTER · PI KASHYAP, PURNA C · 2014 to 2017
$610k
Mechanisms of alteration of gastrointestinal physiology by gut microbesR03DK111850 · NIDDK · MAYO CLINIC ROCHESTER · PI KASHYAP, PURNA C · 2017 to 2018
$159k
NIDDK NIH HHS K08 DK100638NIDDK NIH HHS K23 DK103911NIDDK NIH HHS P30 DK041301NIDDK NIH HHS P30 DK084567NIDDK NIH HHS P30 DK089502NIDDK NIH HHS R01 DK114007NIDDK NIH HHS R03 DK111850
6 · The paper itself

Abstract

Tryptamine, a tryptophan-derived monoamine similar to 5-hydroxytryptamine (5-HT), is produced by gut bacteria and is abundant in human and rodent feces. However, the physiologic effect of tryptamine in the gastrointestinal (GI) tract remains unknown. Here, we show that the biological effects of tryptamine are mediated through the 5-HT

Indexed as

Intestinal SecretionsAnimalsBacteroides thetaiotaomicronColonEpitheliumFecesGastrointestinal MicrobiomeHumansMiceMice, 129 StrainMice, KnockoutPrimary Cell CultureReceptors, Serotonin, 5-HT4Sex FactorsSpecific Pathogen-Free OrganismsTryptaminesReceptors, Serotonin, 5-HT4tryptamineTryptaminesBacteroides thetaiotaomicronconstipationgenetically engineeredGI transitIBSmicrobiomemotilityphage promotersecretiontryptophan

Identifiers

PMID29902441
PMCPMC6055526
OpenAlexW2807927929

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.