Evidence map›Paper›PMID 33439867›Full record

ArticlePloS one2021

A polyphenolic cinnamon fraction exhibits anti-inflammatory properties in a monocyte/macrophage model.

Amel Ben Lagha, Jabrane Azelmat, Katy Vaillancourt, Daniel Grenier

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
3.2field-weighted citation impact, top 8% 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

12 citing papers in PubMed, 27 citations in OpenAlex.

  1. Metabolic Reprogramming of Macrophages Plays a Dual Role in Periodontitis: From Pathogenesis to Therapy.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
    Review
  2. Saponin from Tea (Molecules (Basel, Switzerland) · 2025
    Article
  3. Review
  4. Article
  5. Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Aqueous Extract of Cinnamon (Evidence-based complementary and alternative medicine : eCAM · 2023
    Review
  12. 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

4 authors at 1 institution in 1 country.

Amel Ben LaghaOral Ecology Research Group, Faculty of Dentistry, Université Laval, Quebec City, QC, Canada.
Jabrane AzelmatOral Ecology Research Group, Faculty of Dentistry, Université Laval, Quebec City, QC, Canada.
Katy VaillancourtOral Ecology Research Group, Faculty of Dentistry, Université Laval, Quebec City, QC, Canada.
Daniel GrenierOral Ecology Research Group, Faculty of Dentistry, Université Laval, Quebec City, QC, Canada.ORCID 0000-0003-0878-4674
Université Laval · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Periodontal diseases are bacteria-induced inflammatory disorders that lead to the destruction of the tooth-supporting tissues. Active compounds endowed with a capacity to regulate the inflammatory response are regarded as potential therapeutic agents for the treatment of periodontal diseases. The aim of this study was to characterize the anti-inflammatory properties of a polyphenolic cinnamon fraction. Chromatographic and mass spectrometry analyses of the polyphenolic composition of the cinnamon fraction revealed that phenolic acids, flavonoids (flavonols, anthocyanins, flavan-3-ols), and procyanidins make up 9.22%, 0.72%, and 10.63% of the cinnamon fraction, respectively. We used a macrophage model stimulated with lipopolysaccharides (LPS) from either Aggregatibacter actinomycetemcomitans or Escherichia coli to show that the cinnamon fraction dose-dependently reduced IL-6, IL-8, and TNF-α secretion. Evidence was brought that this inhibition of cytokine secretion may result from the ability of the fraction to prevent LPS-induced NF-κB activation. We also showed that the cinnamon fraction reduces LPS binding to monocytes, which may contribute to its anti-inflammatory properties. Lastly, using a competitor assay, it was found that the cinnamon fraction may represent a natural PPAR-γ ligand. Within the limitations of this in vitro study, the cinnamon fraction was shown to exhibit a therapeutic potential for the treatment of periodontal diseases due to its anti-inflammatory properties.

Indexed as

Aggregatibacter actinomycetemcomitansAnthocyaninsAnti-Inflammatory AgentsCell Line, TumorChromatography, High Pressure LiquidCinnamomumFlavonoidsHumansInterleukin-6Interleukin-8LipopolysaccharidesMacrophagesMass SpectrometryNF-kappa BPlant BarkPlant ExtractsAnthocyaninsAnti-Inflammatory AgentsFlavonoidsInterleukin-6Interleukin-8LipopolysaccharidesNF-kappa BPlant ExtractsPolyphenolsProanthocyanidinsTumor Necrosis Factor-alpha

Identifiers

PMID33439867
PMCPMC7806150
OpenAlexW3120265092

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.