Related Experiment Video
Updated: Jun 19, 2026

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
Published on: September 22, 2023
Inflammation in chronic rhinosinusitis and nasal polyposis
Cornelis M van Drunen1, Susanne Reinartz, Jochem Wigman
1Department of Otorhinolaryngology, Academic Medical Center, Room L3-104-2, PO box 22700, 1100 DE Amsterdam, The Netherlands. c.m.vandrunen@amc.uva.nl
Chronic rhinosinusitis and nasal polyposis involve inflammation, with research shifting focus from eosinophils to neutrophils and T-lymphocytes. This review explores current knowledge and future directions in inflammation research for these conditions.
Area of Science:
- Immunology
- Otolaryngology
- Pathophysiology
Background:
- Inflammation is central to chronic rhinosinusitis (CRS) and nasal polyposis (NP).
- Historically, research emphasized eosinophilic inflammation in CRS and NP.
- Recent studies highlight the roles of neutrophils and T-lymphocyte subsets.
Purpose of the Study:
- To summarize the current understanding of inflammatory mechanisms in CRS and NP.
- To discuss emerging research on neutrophils and T-lymphocytes in these conditions.
- To identify opportunities and challenges in inflammation-related research for CRS and NP.
Main Methods:
- Literature review of recent research on inflammation in CRS and NP.
- Analysis of studies focusing on cellular and molecular inflammatory pathways.
- Synthesis of findings regarding eosinophils, neutrophils, and T-lymphocytes.
Main Results:
- Evidence suggests a shift in understanding inflammatory drivers beyond eosinophils.
- Neutrophils and specific T-lymphocyte subtypes (e.g., Th1, Th17) are increasingly implicated.
- The interplay between different immune cells is crucial in disease pathogenesis.
Conclusions:
- Current research broadens the scope of inflammatory mechanisms in CRS and NP.
- Further investigation into neutrophil and T-lymphocyte roles is warranted.
- Understanding these complex inflammatory networks is key for developing targeted therapies.
Related Concept Videos
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic Pharyngitis
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Chronic Inflammation: Introduction
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Inflammatory Bowel Disease III: Crohn's Disease
