Cited by 305Oral microbiology and periodontitis researchT-cell and B-cell ImmunologyOral Health Pathology and Treatment

Characterization of the human immune cell network at the gingival barrier

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Dutzan, N., Konkel, J.E., Greenwell-Wild, T., Moutsopoulos, N.M.·2016·Mucosal Immunology

Abstract

The oral mucosa is a barrier site constantly exposed to rich and diverse commensal microbial communities, yet little is known of the immune cell network maintaining immune homeostasis at this interface. We have performed a detailed characterization of the immune cell subsets of the oral cavity in a large cohort of healthy subjects. We focused our characterization on the gingival interface, a particularly vulnerable mucosal site, with thin epithelial lining and constant exposure to the tooth adherent biofilm. In health, we find a predominance of T cells, minimal B cells, a large presence of granulocytes/neutrophils, a sophisticated network of professional antigen-presenting cells (APCs), and a small population of innate lymphoid cells (ILCs) policing the gingival barrier. We further characterize cellular subtypes in health and interrogate shifts in immune cell populations in the common oral inflammatory disease periodontitis. In disease, we document an increase in neutrophils and an upregulation of interleukin-17 (IL-17) responses. We identify the main source of IL-17 in health and Periodontitis within the CD4(+) T-cell compartment. Collectively, our studies provide a first view of the landscape of physiologic oral immunity and serve as a baseline for the characterization of local immunopathology.

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Crossref · 10.1038/mi.2015.136

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  • The oral cavity is the first organ to encounter ingested food and drink, exogenous microbes, allergens, and antigens before they pass further into the gastrointestinal and/or respiratory tracts.

    “As the gatekeeper of the alimentary canal, the oral cavity is the first organ to encounter ingested food and drink, exogenous microbes, allergens, and antigens before they pass further into the gastrointestinal and/or respiratory tracts.54”
  • In an additional study, homeostatic T-helper 17 cells were induced by mechanical stimuli in a microbiome-independent manner, whereas periodontitis-associated T-helper 17 cells accumulated in a microbiome-dependent manner and required both interleukin-6 and interleukin-23.

    “homeostatic T‐helper 17 cells were found to be induced by mechanical stimuli in a microbiome‐independent manner, whereas periodontitis‐associated T‐helper 17 cells were found to accumulate in a microbiome‐dependent manner and to require both interleukin‐6 and interleukin‐23.”

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Authors
Dutzan, N., Konkel, J. E., Greenwell-Wild, T., & Moutsopoulos, N. M.
Affiliations
  • National Institutes of Health (US)
  • University of Manchester (GB)
Corresponding author
Moutsopoulos, N.M.
Venue
Mucosal Immunology
Publisher
Elsevier BV
Published
2016-09
Volume
9
Issue
5
Pages
1163-1172
ISSN
1933-0219 (ISSN-L)
OpenAlex
W2337778730
Cited by
305
References
51
Citations by year
2026: 28 · 2025: 25 · 2024: 29 · 2023: 38 · 2022: 40 · 2021: 51 · 2020: 25 · 2019: 25 · 2018: 24 · 2017: 16 · 2016: 4
FWCI
34.32
Type
journal article
Language
en
Open access
Locations
  • Mucosal Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
Funders
  • Wellcome Trust (097820/Z11/B, 105610, 105610/Z/14/Z, 097820, 090207)
  • Manchester Collaborative Centre for Inflammation Research
  • National Institutes of Health
  • Biotechnology and Biological Sciences Research Council (BB/M025977/1)
  • National Institute of Dental and Craniofacial Research (ZIADE000736)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Dentistry › Periodontics › Oral Health Pathology and Treatment
Keywords
oral mucosa, oral immunity, immune cell composition, periodontitis, neutrophils, T cells, B cells, antigen-presenting cells, innate lymphoid cells, IL-17, CD4+ T cells, dental plaque, immune homeostasis, oral microbiota
MeSH terms
Antigen-Presenting Cells, B-Lymphocytes, Gene Expression Regulation, Gingiva, Homeostasis, Humans, Immunity, Innate, Leukocyte Count, Mouth Mucosa, Neutrophils, Periodontitis, T-Lymphocytes, Case-Control Studies, Immunophenotyping, Immunity, Mucosal, Interleukin-17

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