Evidence map›Paper›PMID 29236996›Full record

ArticleThe Journal of infectious diseases2017

Entamoeba Species in South Africa: Correlations With the Host Microbiome, Parasite Burdens, and First Description of Entamoeba bangladeshi Outside of Asia.

Renay Ngobeni, Amidou Samie, Shannon Moonah, Koji Watanabe, William A Petri, Carol Gilchrist

Abstract read
In one paragraph

Article in The Journal of infectious diseases, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 2 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

28 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Review
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  9. Review
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  11. Prevalence of Human IntestinalPathogens (Basel, Switzerland) · 2022
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  12. Review
  13. Food and waterborne parasitology · 2021
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  16. Article
  17. Article
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  19. Article
  20. Case Report: Lower Gastrointestinal Bleeding due toThe American journal of tropical medicine and hygiene · 2019
    Review
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.

Renay NgobeniUniversity of Venda, Thohoyandou, South Africa.
Amidou SamieUniversity of Venda, Thohoyandou, South Africa.
Shannon MoonahDepartment of Medicine/Division of Infectious Diseases, University of Virginia, Charlottesville.
Koji WatanabeDepartment of Medicine/Division of Infectious Diseases, University of Virginia, Charlottesville.
William A PetriDepartment of Medicine/Division of Infectious Diseases, University of Virginia, Charlottesville.
Carol GilchristDepartment of Medicine/Division of Infectious Diseases, University of Virginia, Charlottesville.

Funding

Global Infectious Disease Research Training Program at UVAD43TW006578 · FIC · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI GUERRANT, RICHARD L · 2003 to 2018
$2.7M
Role of the Pro-inflammatory MIF Homolog of Entamoeba histolytica in ColitisK08AI119181 · NIAID · UNIVERSITY OF VIRGINIA · PI MOONAH, SHANNON · 2016 to 2020
$946k
FIC NIH HHS D43 TW006578NIAID NIH HHS K08 AI119181
6 · The paper itself

Abstract

Background: Diarrhea is frequent in communities without clean water, which include low-income South African populations in Giyani and Pretoria. In these populations, the amount of diarrhea caused by Entamoeba histolytica, inclusive of all ages, sexes, and human immunodeficiency virus status, is uncertain. Infection with E. histolytica can modulate the host microbiota, and a key species indicative of this is the Prevotella copri pathobiont. Methods: A cross-sectional study of patients attending gastroenterology clinics was conducted to determine the frequency and burden of 4 Entamoeba species and P. copri. Results: Entamoeba species were present in 27% of patients (129/484), with E. histolytica detected in 8.5% (41), E. dispar in 8% (38), E. bangladeshi in 4.75% (23), and E. moshkovskii in 0%. This is the first description of E. bangladeshi outside Bangladesh. In E. histolytica-positive samples, the levels of both the parasite and P. copri were lower in nondiarrheal samples, validating the results of a study in Bangladesh (P = .0034). By contrast, in E. histolytica-negative samples positive for either of the nonpathogenic species E. dispar or E. bangladeshi, neither P. copri nor Entamoeba levels were linked to gastrointestinal status. Conclusions: Nonmorphologic identification of this parasite is essential. In South Africa, 3 morphologically identical Entamoeba were common, but only E. histolytica was linked to both disease and changes in the microbiota.

Indexed as

AdolescentAdultAgedAged, 80 and overChildChild, PreschoolCross-Sectional StudiesDiarrheaEntamoebaEntamoebiasisFemaleHumansInfantMaleMiddle AgedParasite LoadEntamoeba bangladeshiEntamoeba histolyticamicrobiomePrevotella copriProtozoa

Identifiers

PMID29236996
PMCPMC5853652

What OpenQuestion holds

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Registered trials

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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.