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Neuroimmune signalling pathways in chronic rhinosinusitis with nasal polyps
Guled M Jama1, Harsha H Kariyawasam2
1Department of Rhinology, Royal National ENT and Eastman Dental Hospitals.
Current Opinion in Allergy and Clinical Immunology
|January 2, 2025
Summary
Neuroimmune signaling pathways are crucial in chronic rhinosinusitis with nasal polyps (CRSwNP). Understanding the bidirectional communication between immune cells and neurons offers new therapeutic targets for CRSwNP.
Area of Science:
- Immunology
- Neuroscience
- Pathogenesis of CRSwNP
Background:
- The sinonasal mucosa in CRSwNP features dense infiltration of immune cells and neurons, forming neuroimmune units vital for airway defense.
- CRSwNP is predominantly characterized by a type 2 immune endotype.
- Neuroimmune interactions in CRSwNP pathogenesis remain underexplored.
Purpose of the Study:
- To evaluate the role of neuroimmune signaling pathways in the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP).
Main Methods:
- Review of existing literature on neuroimmune interactions in CRSwNP.
- Analysis of the spatial relationship between immune cells and neuronal structures.
- Examination of neuropeptide-mediated neurogenic inflammation.
Main Results:
- Neuroimmune units in the sinonasal mucosa play a critical role in airway defense and homeostasis.
- Emerging evidence indicates bidirectional communication between immune cells and neurons in CRSwNP.
- Neuropeptides like substance P and CGRP modulate immune responses, and cytokines activate sensory neurons.
Conclusions:
- The complex interplay between epithelial cells, immune cells, and neurons in CRSwNP presents therapeutic challenges and opportunities.
- Understanding neuroimmune interactions offers insights into CRSwNP pathogenesis.
- Targeting both inflammatory and neuronal components may lead to novel therapeutic strategies for CRSwNP.
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