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Related Concept Videos

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...
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.
Sinus disease and chronic sinusitis...
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...
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations01:19

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...

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Related Experiment Video

Updated: May 9, 2026

The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections
06:57

The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections

Published on: May 8, 2017

Non-cystic fibrosis bronchiectasis.

Pamela J McShane1, Edward T Naureckas, Gregory Tino

  • 11 University of Chicago Medicine, Chicago, Illinois; and.

American Journal of Respiratory and Critical Care Medicine
|August 1, 2013
PubMed
Summary

Non-cystic fibrosis bronchiectasis, a chronic lung condition, is increasingly understood with diverse causes beyond tuberculosis. Current research focuses on airway clearance, antibiotics, and macrolide therapy to manage symptoms and reduce exacerbations.

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Related Experiment Videos

Last Updated: May 9, 2026

The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections
06:57

The WinCF Model - An Inexpensive and Tractable Microcosm of a Mucus Plugged Bronchiole to Study the Microbiology of Lung Infections

Published on: May 8, 2017

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
15:43

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice

Published on: March 17, 2014

Cystic Fibrosis Aggregate Biofilm Model to Study Infection-relevant Gene Expression
08:58

Cystic Fibrosis Aggregate Biofilm Model to Study Infection-relevant Gene Expression

Published on: April 18, 2025

Area of Science:

  • Pulmonology
  • Internal Medicine

Background:

  • Non-cystic fibrosis bronchiectasis (NCFB) is a significant cause of adult morbidity.
  • Diverse etiologies, not solely post-infectious, now recognized.
  • Characterized by chronic cough, purulent sputum, and airway dilation.

Purpose of the Study:

  • To review major etiologies, diagnostics, microbiology, and management of adult NCFB.
  • To highlight current and emerging therapies for NCFB.
  • To emphasize the impact of identifying specific causes on treatment.

Main Methods:

  • Systematic review of NCFB literature.
  • Focus on diagnostic modalities like high-resolution chest computed tomography (HRCT).
  • Evaluation of current and investigational therapeutic strategies.

Main Results:

  • Identification of specific causes in most NCFB patients impacts treatment.
  • Therapies like airway clearance, inhaled antibiotics, and macrolides show promise.
  • Multiple NCFB-specific clinical trials are underway.

Conclusions:

  • Understanding NCFB pathogenesis is evolving beyond historical perspectives.
  • Multifaceted management strategies are crucial for NCFB.
  • Ongoing research offers new hope for NCFB patients.