Evidence map›Paper›PMID 30391945›Full record

ArticleJournal of innate immunity2019

Trichomonas vaginalis Induces NLRP3 Inflammasome Activation and Pyroptotic Cell Death in Human Macrophages.

Angelica Montenegro Riestra, J Andrés Valderrama, Kathryn A Patras, Sharon D Booth, Xing Yen Quek, Chih-Ming Tsai, Victor Nizet

Open access · goldAbstract read
In one paragraph

Article in Journal of innate immunity, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

20 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Review
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  7. Article
  8. Review
  9. Review
  10. Infinity war:Microbial cell (Graz, Austria) · 2023
    Review
  11. Article
  12. Article
  13. Dec2 inhibits macrophage pyroptosis to promote periodontal homeostasis.Journal of periodontal & implant science · 2022
    Article
  14. Review
  15. Review
  16. Article
  17. Review
  18. Article
  19. Review
  20. Catch Me if You Can or Actors on the Run.Journal of innate immunity · 2019
    Article
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

7 authors at 1 institution in 1 country.

Angelica Montenegro RiestraDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
J Andrés ValderramaDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
Kathryn A PatrasDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
Sharon D BoothDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
Xing Yen QuekDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
Chih-Ming TsaiDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA.
Victor NizetDivision of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, California, USA, vnizet@ucsd.edu.
University of California, San Diego · US

Funding

UCSD/SDSU IRACDAK12GM068524 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI TREJO, JOANN · 2003 to 2025
$24.4M
The Intracellular Pathogen Response Triggers Defense Against Co-evolved PathogensR01GM114139 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI Emily R Troemel · 2015 to 2026
$3.1M
Safety and Dose Optimization of High-Dose Anakinra in Kawasaki DiseaseU54HD090259 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI NIGAM, SANJAY K · 2016 to 2018
$2.2M
Safety and Dose Optimization of High-Dose Anakinra in Kawasaki DiseaseP50HD090259 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI NIGAM, SANJAY K · 2019 to 2020
$1.4M
NICHD NIH HHS P50 HD090259NICHD NIH HHS U54 HD090259NIGMS NIH HHS K12 GM068524NIGMS NIH HHS R01 GM114139
6 · The paper itself

Abstract

Trichomonas vaginalis is a sexually transmitted, eukaryotic parasite that causes trichomoniasis, the most common nonviral, sexually transmitted disease in the USA and worldwide. Little is known about the molecular mechanisms involved in the host immune response to this widespread parasite. Here we report that T. vaginalis induces NLRP3 inflammasome activation in human macrophages, leading to caspase-1 activation and the processing of pro-IL-1β to the mature and bioactive form of the cytokine. Using inhibitor-based approaches, we show that NLRP3 activation by T. vaginalis involves host cell detection of extracellular ATP via P2X7 receptors and potassium efflux. In addition, our data reveal that T. vaginalis inflammasome activation induces macrophage inflammatory cell death by pyroptosis, known to occur via caspase-1 cleavage of the gasdermin D protein, which assembles to form pores in the host cell membrane. We found that T. vaginalis-induced cytolysis of macrophages is attenuated in gasdermin D knockout cells. Lastly, in a murine challenge model, we detected IL-1β production in vaginal fluids in response to T. vaginalis infection in vivo. Together, our findings mechanistically dissect how T. vaginalis contributes to the production of the proinflammatory IL-1β cytokine and uncover pyroptosis as a mechanism by which the parasite can trigger host macrophage cell death.

Indexed as

InflammasomesPyroptosisTrichomonas vaginalisAnimalsCaspase 1GasderminsHumansInterleukin-1betaIntracellular Signaling Peptides and ProteinsMacrophagesMiceNLR Family, Pyrin Domain-Containing 3 ProteinPhosphate-Binding ProteinsTHP-1 CellsCaspase 1GasderminsGSDMD protein, humanIL1B protein, humanIL1B protein, mouseInflammasomesInterleukin-1betaIntracellular Signaling Peptides and ProteinsNLR Family, Pyrin Domain-Containing 3 ProteinNLRP3 protein, humanPhosphate-Binding ProteinsInflammasomesPyroptosisTrichomonas vaginalis

Identifiers

PMID30391945
PMCPMC6296884
OpenAlexW2898682418

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.