Evidence map›Paper›PMID 31389292›Full record

ArticleTissue barriers2019

Gingival epithelial barrier: regulation by beneficial and harmful microbes.

Naoki Takahashi, Benso Sulijaya, Miki Yamada-Hara, Takahiro Tsuzuno, Koichi Tabeta, Kazuhisa Yamazaki

Open access · bronzeAbstract read
In one paragraph

Article in Tissue barriers, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed, 1 pooled it
4.3field-weighted citation impact, top 5% 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

53 citing papers in PubMed, 1 synthesis or guideline pooled it, 74 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Review
  5. Protective Effects of Mixed Probiotics, Oralis SBAntioxidants (Basel, Switzerland) · 2026
    Article
  6. Article
  7. Review
  8. hLife · 2026
    Review
  9. Article
  10. Impact of Oral Immunity on Neuroinflammation and Neurodegenerative Diseases.Advances in experimental medicine and biology · 2026
    Review
  11. Review
  12. Synergistic Roles of Fimbriae and Gingipain Genotypes inInternational journal of dentistry · 2026
    Article
  13. Article
  14. Review
  15. Review
  16. Engineered Tissue Models to Decode Host-Microbiota Interactions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
    Review
  17. Article
  18. Article
  19. Article
  20. 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

6 authors at 2 institutions in 2 countries.

Naoki TakahashiDivision of Periodontology, Department of Oral Biological Science, Faculty of Dentistry, Niigata University , Niigata , Japan.
Benso SulijayaDivision of Periodontology, Department of Oral Biological Science, Faculty of Dentistry, Niigata University , Niigata , Japan.ORCID 0000-0002-5976-430X
Miki Yamada-HaraDivision of Periodontology, Department of Oral Biological Science, Faculty of Dentistry, Niigata University , Niigata , Japan.
Takahiro TsuzunoDivision of Periodontology, Department of Oral Biological Science, Faculty of Dentistry, Niigata University , Niigata , Japan.
Koichi TabetaDivision of Periodontology, Department of Oral Biological Science, Faculty of Dentistry, Niigata University , Niigata , Japan.
Kazuhisa YamazakiResearch Unit for Oral-Systemic Connection, Division of Oral Science for Health Promotion, Graduate School of Medical and Dental Sciences, Niigata University , Niigata , Japan.
Niigata University · JPUniversity of Indonesia · ID

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The gingival epithelium acts as a physical barrier to separate the biofilm from the gingival tissue, providing the first line of defense against bacterial invasion in periodontal disease. Disruption of the gingival epithelial barrier, and the subsequent penetration of exogenous pathogens into the host tissues, triggers an inflammatory response, establishing chronic infection. Currently, more than 700 different bacterial species have been identified in the oral cavity, some of which are known to be periodontopathic. These bacteria contribute to epithelial barrier dysfunction in the gingiva by producing several virulence factors. However, some bacteria in the oral cavity appear to be beneficial, helping gingival epithelial cells maintain their integrity and barrier function. This review aims to discuss current findings regarding microorganism interactions and epithelial barrier function in the oral cavity, with reference to investigations in the gut, where this interaction has been extensively studied.

Indexed as

Cells, CulturedEpithelial CellsEpitheliumGingivaHumansPeriodontal DiseasesTight Junctionsadherens junctionsEpitheliumperiodontal diseaseporphyromonas gingivalistight junctions

Identifiers

PMID31389292
PMCPMC6748373
OpenAlexW2966110581

What OpenQuestion holds

Textmetadata
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.