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Related Concept Videos

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
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Cystic Fibrosis: Management01:24

Cystic Fibrosis: Management

Cystic fibrosis (CF) is an autosomal recessive disorder that predominantly affects individuals of Northern European descent, occurring at a rate of 1 in 3500. It is caused by a genetic mutation in a gene on chromosome 7, most commonly the ΔF508 mutation, that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. This results in thicker mucus secretions and obstruction pathologies in multiple organs, including the lungs and sinuses.
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Mechanism of Ciliary Motion01:05

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Related Experiment Video

Updated: May 24, 2026

In vivo Evaluation of Mucociliary Clearance in Mice
06:35

In vivo Evaluation of Mucociliary Clearance in Mice

Published on: December 18, 2020

Acquired cilia dysfunction in chronic rhinosinusitis.

David Gudis1, Ke-qing Zhao, Noam A Cohen

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA.

American Journal of Rhinology & Allergy
|March 7, 2012
PubMed
Summary
This summary is machine-generated.

Cilia dysfunction, often secondary to inflammation or infection, impairs mucociliary clearance in chronic rhinosinusitis (CRS), hindering airway defense. Understanding these mechanisms is key to improving respiratory health.

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Collection, Expansion, and Differentiation of Primary Human Nasal Epithelial Cell Models for Quantification of Cilia Beat Frequency
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Collection, Expansion, and Differentiation of Primary Human Nasal Epithelial Cell Models for Quantification of Cilia Beat Frequency
11:13

Collection, Expansion, and Differentiation of Primary Human Nasal Epithelial Cell Models for Quantification of Cilia Beat Frequency

Published on: November 10, 2021

Area of Science:

  • Cell Biology
  • Immunology
  • Otorhinolaryngology

Background:

  • Cilia are vital cellular structures in the respiratory tract, crucial for airway defense via mucociliary clearance.
  • Mucociliary clearance removes pathogens, allergens, and debris, but its regulation is not fully understood.
  • Ciliary dysfunction compromises the respiratory system's ability to clear harmful substances.

Purpose of the Study:

  • To review current knowledge on cilia dysfunction in chronic rhinosinusitis (CRS).
  • To summarize recent advancements in understanding cilia dysfunction and mucociliary clearance in CRS.

Main Methods:

  • A literature review was performed.
  • The review focused on existing research regarding cilia dysfunction in the context of chronic rhinosinusitis.

Main Results:

  • Ciliary dysfunction can be primary (genetic) or secondary (environmental, infectious, inflammatory).
  • Patients with CRS exhibit impaired mucociliary clearance.
  • Pathogens like Pseudomonas aeruginosa and inflammatory mediators in CRS disrupt ciliary function and beat frequency.

Conclusions:

  • Cilia dysfunction significantly impacts mucociliary clearance in chronic rhinosinusitis.
  • Secondary cilia dysfunction is a common issue in CRS, influenced by various stimuli.
  • Further understanding of cilia dysfunction is essential for managing CRS and improving airway defense.