ArticlePLoS pathogens2023
Periodontitis promotes bacterial extracellular vesicle-induced neuroinflammation in the brain and trigeminal ganglion.
Article in PLoS pathogens, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled 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.
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.
Who cites it
24 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.
- A Systematic Literature Review on Inflammatory Markers in the Saliva of Patients with Multiple Sclerosis: A Cause or a Consequence of Periodontal Diseases.Medicina (Kaunas, Lithuania) · 2024Pooled it
- Article
- Article
- Mitophagy interacts with mitochondrial dynamics and biogenesis, acting as a double-edged sword in digestive cancer.iScience · 2026Review
- Bacterial Extracellular Vesicles as Systemic Messengers: Integrating Their Roles in Gut-Liver-Brain Communication and Disease.Probiotics and antimicrobial proteins · 2026Review
- Intranasal Delivery of Bacterial Extracellular Vesicles Enables RNA Cargo Entry Into the Brain.Journal of extracellular vesicles · 2026Article
- Bacterial extracellular vesicles in the brain: Pathological effects and therapeutic possibilities.Neural regeneration research · 2026Article
- Review
- Periodontitis and cardiovascular diseases: bridging the gap through mitochondrial dysfunction.Frontiers in oral health · 2026Review
- Review
- Peptide PN5 fromACS omega · 2025Article
- Emerging Roles of Extracellular Vesicles in the Pathogenesis, Diagnosis, and Therapy of Periodontitis.Biomedicines · 2025Review
- Salivary and Microbiome Biomarkers in Periodontitis: Advances in Diagnosis and Therapy-A Narrative Review.Medicina (Kaunas, Lithuania) · 2025Review
- Oral microbial profiles in young adults with cannabis use disorder.Drug and alcohol dependence · 2025Article
- The Role of Oral and Gut Microbiota in Bone Health: Insights from Bacterial Extracellular Vesicles.Microorganisms · 2025Review
- Bacterial Extracellular Vesicles as Potential Promoting Factors for Oral Lichen Planus Pathogenesis.Inflammation · 2025Article
- Therapeutic Potential of Extracellular Vesicles in Oral Inflammation.International journal of molecular sciences · 2025Review
- Peripheral proteinopathy in neurodegenerative diseases.Translational neurodegeneration · 2025Review
- Smoking Impacts Alzheimer's Disease Progression Through Oral Microbiota Modulation.Molecular neurobiology · 2025Review
- From Global to Nano: A Geographical Perspective ofPathogens (Basel, Switzerland) · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gram-negative bacteria derived extracellular vesicles (EVs), also known as outer membrane vesicles, have attracted significant attention due to their pathogenic roles in various inflammatory diseases. We recently demonstrated that EVs secreted by the periodontopathogen Aggregatibacter actinomycetemcomitans (Aa) can cross the blood-brain barrier (BBB) and that their extracellular RNA cargo can promote the secretion of proinflammatory cytokines, such as IL-6 and TNF-α, in the brain. To gain more insight into the relationship between periodontal disease (PD) and neuroinflammatory diseases, we investigated the effect of Aa EVs in a mouse model of ligature-induced PD. When EVs were administered through intragingival injection or EV-soaked gel, proinflammatory cytokines were strongly induced in the brains of PD mice. The use of TLR (Toll-like receptor)-reporter cell lines and MyD88 knockout mice confirmed that the increased release of cytokines was triggered by Aa EVs via TLR4 and TLR8 signaling pathways and their downstream MyD88 pathway. Furthermore, the injection of EVs through the epidermis and gingiva resulted in the direct retrograde transfer of Aa EVs from axon terminals to the cell bodies of trigeminal ganglion (TG) neurons and the subsequent activation of TG neurons. We also found that the Aa EVs changed the action potential of TG neurons. These findings suggest that EVs derived from periodontopathogens such as Aa might be involved in pathogenic pathways for neuroinflammatory diseases, neuropathic pain, and other systemic inflammatory symptoms as a comorbidity of periodontitis.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.