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Dendritic cell subset expression in severe chronic rhinosinusitis with nasal polyps
Claudina Perez-Novo1, Rogério Pezato
1aDepartment Biomedical Sciences, University Antwerp; Laboratory of Proteinchemistry, Proteomics Epigenetic Signaling, Wilrijk, Belgium bDepartment of Otolaryngology, Head and Neck Surgery, ENT Research Laboratory, Federal University of São Paulo, São Paulo, Brazil.
Current Opinion in Allergy and Clinical Immunology
|November 22, 2016
Summary
Dendritic cells are increased in nasal polyposis, with plasmacytoid dendritic cells decreasing in severe Th2 inflammation. Understanding these cells is key to developing new nasal polyp treatments.
Area of Science:
- Immunology
- Otolaryngology
- Cell Biology
Background:
- Nasal polyposis involves immune imbalance and tissue remodeling.
- Dendritic cells are critical in linking innate and adaptive immunity.
- These cells orchestrate T-cell responses and contribute to nasal polyp inflammation.
Purpose of the Study:
- To review current knowledge on dendritic cells in nasal polyposis.
- To highlight the role of dendritic cells in the inflammatory processes of nasal polyps.
Main Methods:
- Literature review of studies on dendritic cells and nasal polyposis.
- Analysis of dendritic cell subsets and their association with disease severity.
Main Results:
- Dendritic cells are generally elevated in nasal polyposis across subsets.
- Plasmacytoid dendritic cells are reduced in severe Th2-profile cases.
- This suggests a role for cytokines in dendritic cell function or a mitigating effect of plasmacytoid dendritic cells.
Conclusions:
- Further understanding of dendritic cell subsets in various environments is needed.
- Investigating the impact of dendritic cell subsets on T-cell differentiation is crucial.
- This knowledge will advance the development of novel therapies for nasal polyposis.
