Evidence map›Paper›PMID 37768360›Full record

ArticleArchives of microbiology2023

Gut microbiome of Crocodylus porosus and cellular stress: inhibition of nitric oxide, interleukin 1-beta, tumor necrosis factor-alpha, and prostaglandin E2 in cerebrovascular endothelial cells.

Ruqaiyyah Siddiqui, Noor Akbar, Sutherland K Maciver, Ahmad M Alharbi, Hasan Alfahemi, Naveed Ahmed Khan

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Article in Archives of microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.6field-weighted citation impact, top 31% 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

4 citing papers in PubMed, 5 citations in OpenAlex.

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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 at 5 institutions in 4 countries.

Ruqaiyyah Siddiqui *College of Arts and Sciences, American University of Sharjah, 26666, Sharjah, United Arab Emirates.
Noor Akbar *Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
Sutherland K MaciverCentre for Discovery Brain Sciences, Edinburgh Medical School: Biomedical Sciences, University of Edinburgh, Edinburgh, UK.
Ahmad M AlharbiDepartment of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, 21944, Taif, Saudi Arabia.
Hasan AlfahemiDepartment of Medical Microbiology, Faculty of Medicine, Al-Baha University, 65799, Al-Baha, Saudi Arabia.
Naveed Ahmed KhanMicrobiota Research Center, Istinye University, Istanbul, 34010, Turkey. naveed5438@gmail.com.
Istinye University · TRAl Baha University · SATaif University · SAUniversity of Edinburgh · GBUniversity of Sharjah · AE

Funding

U.S. Air Force FA 8655-20-1-7004.
6 · The paper itself

Abstract

Crocodiles are renowned for their resilience and capacity to withstand environmental stressors, likely influenced by their unique gut microbiome. In this study, we determined whether selected gut bacteria of Crocodylus porosus exhibit anti-inflammatory effects in response to stress, by measuring nitric oxide release, interleukin 1-beta, tumor necrosis factor-alpha, and prostaglandin E2 in cerebrovascular endothelial cells. Using the Griess assay, the findings revealed that among several C. porosus gut bacterial isolates, the conditioned media containing the metabolites of two bacterial strains (CP27 and CP36) inhibited nitric oxide production significantly, in response to the positive control, i.e., taxol-treatment. Notably, CP27 and CP36 were more potent at reducing nitric oxide production than senloytic compounds (fisetin, quercetin). Using enzyme linked immunosorbent assays, the production of pro-inflammatory cytokines (IL-1β, TNF-α, PGE2), was markedly reduced by treatment with CP27 and CP36, in response to stress. Both CP27 and CP36 contain a plethora of metabolites to exact their effects [(3,4-dihydroxyphenylglycol, 5-methoxytryptophan, nifedipine, 4-chlorotestosterone-17-acetate, 3-phenoxypropionic acid, lactic acid, f-Honaucin A, l,l-Cyclo(leucylprolyl), 3-hydroxy-decanoic acid etc.], indicative of their potential in providing protection against cellular stress. Further high-throughput bioassay-guided testing of gut microbial metabolites from crocodiles, individually as well as in combination, together with the underlying molecular mechanisms, in vitro and in vivo will elucidate their value in the rational development of innovative therapies against cellular stress/gut dysbiosis.

Indexed as

Alligators and CrocodilesGastrointestinal MicrobiomeAnimalsDinoprostoneEndothelial CellsNitric OxideTumor Necrosis Factor-alphaDinoprostoneNitric OxideTumor Necrosis Factor-alphaCrocodileGut microbiomeIL-1betaNitric oxideSenolytic drugsStressTNF-alpha

Identifiers

PMID37768360
OpenAlexW4387115534

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.