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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

461
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
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Asthma-I: Introduction01:29

Asthma-I: Introduction

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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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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
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The Bronchial Tree01:23

The Bronchial Tree

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The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
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Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Related Experiment Video

Updated: Jul 26, 2025

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium
07:40

Determining Ciliary Function and Membrane Impermeability of the Pseudostratified Lung Airway Epithelium

Published on: February 21, 2025

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Airway epithelial development and function: A key player in asthma pathogenesis?

Grigorios Chatziparasidis1, Andrew Bush2, Maria Rafailia Chatziparasidi3

  • 1Paediatric Respiratory Unit, IASO Hospital, Larissa, Thessaly, Greece; Faculty of Nursing, Thessaly University, Greece.

Paediatric Respiratory Reviews
|June 17, 2023
PubMed
Summary
This summary is machine-generated.

Asthma management improves control but not long-term outcomes. The airway epithelium is a key factor in asthma development and persistence, offering new therapeutic targets.

Keywords:
AirwayAsthmaChildrenEpitheliumPathogenesis

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Area of Science:

  • Pulmonology
  • Immunology
  • Cell Biology

Background:

  • Asthma is a prevalent respiratory condition with limited curative treatments.
  • Current therapies, like inhaled steroids, improve symptom control but do not alter disease progression or lung function.
  • Understanding asthma's underlying mechanisms is crucial for developing effective interventions.

Purpose of the Study:

  • To review the current evidence on the role of the airway epithelium in asthma.
  • To highlight factors affecting epithelial integrity and function in asthma pathogenesis.
  • To inform clinicians about the airway epithelium's central role in asthma.

Main Methods:

  • Literature review of recent studies on airway epithelium in asthma.
  • Synthesis of evidence linking epithelial dysfunction to asthma initiation and persistence.
  • Focus on factors impacting epithelial integrity and functionality.

Main Results:

  • The airway epithelium plays a critical role in orchestrating asthma.
  • Factors influencing epithelial integrity are key to understanding asthma.
  • The epithelium is central to asthma pathogenesis and progression.

Conclusions:

  • The airway epithelium is a pivotal factor in asthma pathogenesis.
  • Targeting epithelial integrity and function may offer new therapeutic strategies.
  • Further research into the airway epithelium is essential for asthma cure.