Evidence map›Paper›PMID 34468187›Full record

ArticleMicrobiology spectrum2021

Ebselen Not Only Inhibits Clostridioides difficile Toxins but Displays Redox-Associated Cellular Killing.

Ravi K R Marreddy, Abiola O Olaitan, Jordan N May, Min Dong, Julian G Hurdle

Open access · goldAbstract read
In one paragraph

Article in Microbiology spectrum, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.8field-weighted citation impact, top 25% 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

7 citing papers in PubMed, 13 citations in OpenAlex.

  1. Article
  2. Clinical microbiology reviews · 2024
    Review
  3. Review
  4. Review
  5. Microbiology spectrum · 2023
    Article
  6. Antibacterial Activity of Ebselen.International journal of molecular sciences · 2023
    Review
  7. Capturing the environment of the Clostridioides difficile infection cycle.Nature reviews. Gastroenterology & hepatology · 2022
    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

5 authors at 2 institutions in 1 country.

Ravi K R MarreddyCenter for Infectious and Inflammatory Diseases, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA.
Abiola O OlaitanCenter for Infectious and Inflammatory Diseases, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA.
Jordan N MayCenter for Infectious and Inflammatory Diseases, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA.
Min DongDepartment of Urology, Boston Children's Hospital, Department of Surgery and Department of Microbiology, Harvard Medical Schoolgrid.471403.5, Boston, Massachusetts, USA.
Julian G HurdleCenter for Infectious and Inflammatory Diseases, Institute of Biosciences and Technology, Texas A&M Health Science Center, Houston, Texas, USA.ORCID 0000-0003-2214-8105
Texas A&M Health Science Center · USBoston Children's Hospital · US

Funding

Molecular basis of action and pathogenesis of Clostridium difficile toxin BR01AI132387 · NIAID · BOSTON CHILDREN'S HOSPITAL · PI DONG, MIN · 2017 to 2021
$3.5M
NIAID NIH HHS R01 AI132387
6 · The paper itself

Abstract

Ebselen, a reactive organoselenium compound, was shown to inhibit toxins TcdA and TcdB by covalently binding to their cysteine protease domains. It was suggested that ebselen lacked antimicrobial activity against Clostridioides difficile. However, this perception conflicts with C. difficile having essential cysteine-containing enzymes that could be potential targets and the reported antimicrobial activity of ebselen against other species. Hence, we reevaluated the anti-C. difficile properties of ebselen. Susceptibility testing revealed that its activity was either slightly reduced by pyruvate found in Wilkins-Chalgren agar or obliterated by blood in brucella agar. In brain heart infusion (BHI) agar, ebselen inhibited most C. difficile strains (MICs of 2 to 8 μg/ml), except for ribotype 078 that was intrinsically resistant (MIC = 32 to 128 μg/ml). Against C. difficile R20291, at concentrations below its minimal bactericidal concentration (MBC), 16 μg/ml, ebselen inhibited production of toxins and spores. Transcriptome analysis revealed that ebselen altered redox-associated processes and cysteine metabolism and enhanced expression of Stickland proline metabolism, likely to regenerate NAD

Indexed as

Anti-Bacterial AgentsBacterial ProteinsBacterial ToxinsClostridioides difficileClostridium InfectionsCysteineGene Expression Regulation, BacterialHumansIsoindolesMicrobial Sensitivity TestsOrganoselenium CompoundsOxidation-ReductionProlineAnti-Bacterial AgentsBacterial ProteinsBacterial ToxinsCysteineebselenIsoindolesOrganoselenium CompoundsProlineredox stresssporesthiolstoxins

Identifiers

PMID34468187
PMCPMC8557875
OpenAlexW3198725222

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.