Evidence map›Paper›PMID 20848461›Full record

ArticleInflammatory bowel diseases2010

Alteration of the murine gut microbiota during infection with the parasitic helminth Heligmosomoides polygyrus.

Seth T Walk, Arthur M Blum, Sarah Ang-Sheng Ewing, Joel V Weinstock, Vincent B Young

Open access · greenAbstract read
In one paragraph

Article in Inflammatory bowel diseases, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 182 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
182citing papers in PubMed, 4 pooled it
6.8field-weighted citation impact, top 2% 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

182 citing papers in PubMed, 4 syntheses or guidelines pooled it, 317 citations in OpenAlex.

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122 more citing papers are in PubMed but not listed here.

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

5 authors at 3 institutions in 1 country.

Seth T WalkDepartment of Internal Medicine, Division of Infectious Diseases, University of Michigan Health System, Ann Arbor, Michigan, USA.
Arthur M Blum
Sarah Ang-Sheng Ewing
Joel V Weinstock
Vincent B Young
Michigan Medicine · USTufts Medical Center · USVA Ann Arbor Healthcare System · US

Funding

PULMONARY CELLULAR AND MOLECULAR BIOLOGY TRAININGT32HL007749 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Robert Pickett Dickson · 1993 to 2026
$19.9M
Helminthic Protection From IBDR01DK058755 · NIDDK · UNIVERSITY OF IOWA · PI WEINSTOCK, JOEL VINCENT · 2001 to 2013
$4.1M
Substance P &the Regulation of Intestinal InflammationR01DK038327 · NIDDK · UNIVERSITY OF IOWA · PI WEINSTOCK, JOEL VINCENT · 1985 to 2009
$3.1M
Microbial Ecology of Helicobacter-induced ColitisR01DK070875 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI YOUNG, VINCENT B · 2007 to 2011
$1.4M
Helminthic Protection From IBDR56DK058755 · NIDDK · TUFTS MEDICAL CENTER · PI WEINSTOCK, JOEL VINCENT · 2009 to 2009
$485k
NHLBI NIH HHS T32 HL007749NHLBI NIH HHS T32 HL07749-15NIDDK NIH HHS DK058755NIDDK NIH HHS DK070875NIDDK NIH HHS DK38327NIDDK NIH HHS R01 DK038327NIDDK NIH HHS R01 DK058755NIDDK NIH HHS R01 DK070875NIDDK NIH HHS R56 DK058755
6 · The paper itself

Abstract

backgroundIn a murine model of inflammatory bowel disease (IBD), treatment of colitis in IL-10 gene-deficient mice with the parasitic helminth Heligmosomoides polygyrus ameliorates colonic inflammation. The cellular and molecular mechanisms driving this therapeutic host response are being studied vigorously. One proposed mechanism is that H. polygyrus infection favors the outgrowth or suppression of certain bacteria, which in turn help modulate host immunity.

methodsTo quantify the effect of H. polygyrus infection on the composition of the gastrointestinal (GI) tract microbiota, we conducted two independent microbial ecology analyses of C57BL/6 mice. We obtained and analyzed 3,353 bacterial 16S rRNA encoding gene sequences from the ileum and cecum of infected and uninfected mice as well as incective H. polygyrus larvae at the outset of the second experiment and adult worms taken directly from the mouse duodenum at the end of the second experiment.

resultsWe found that a significant shift in the abundance and relative distribution of bacterial species in the ileum of mice is associated with H. polygyrus infection. Members of the bacterial family Lactobacillaceae significantly increased in abundance in the ileum of infected mice reproducibly in two independent experiments despite having different microbiotas present at the outset of each experiment.

conclusionsThese data support the concept that helminth infection shifts the composition of intestinal bacteria. The clinical consequences of these shifts in intestinal flora are yet to be explored.

Indexed as

AnimalsDisease Models, AnimalGastrointestinal TractGenes, rRNAIleumInflammatory Bowel DiseasesInterleukin-10LactobacillaceaeMiceMice, Inbred C57BLMice, Mutant StrainsNematospiroides dubiusInterleukin-10

Identifiers

PMID20848461
PMCPMC2959136
OpenAlexW1996905075

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.