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Related Concept Videos

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: Pathogenesis and Management01:20

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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-IV: Diagnostic and Management01:30

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The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
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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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Antiasthma Drugs: Muscarinic Receptor Antagonists01:20

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Muscarinic receptor antagonists, also known as antimuscarinic agents, are a class of bronchodilators used to treat asthma, although they are more commonly used to treat COPD. They work by inhibiting the action of acetylcholine (ACh), a neurotransmitter, on muscarinic receptors found in the airways.
Antimuscarinic agents compete with ACh for the same binding site on the muscarinic receptors. By binding to these receptors, they inhibit the downstream effects of ACh and block the parasympathetic...
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Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

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Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
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Related Experiment Video

Updated: Mar 20, 2026

Murine Model of Allergen Induced Asthma
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Murine Model of Allergen Induced Asthma

Published on: May 14, 2012

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Mouse Models of Asthma.

Nincy Debeuf1,2, Eline Haspeslagh1,2, Mary van Helden1,2

  • 1Laboratory of Immunoregulation and Mucosal Immunology, VIB Inflammation Research Center, Ghent, Belgium.

Current Protocols in Mouse Biology
|June 2, 2016
PubMed
Summary
This summary is machine-generated.

This study introduces a more relevant house dust mite (HDM) model for allergic asthma research. This model better mimics human disease symptoms than the traditional ovalbumin model, aiding in understanding asthma mechanisms.

Keywords:
allergic asthmabronchoalveolar lavage (BAL)goblet cell hyperplasiahouse dust mite (HDM)mediastinal lymph nodes (MLNs)murine modelovalbumin (OVA)

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Area of Science:

  • Immunology
  • Respiratory Medicine
  • Allergy Research

Background:

  • Allergic asthma is a chronic airway inflammatory disease with key features like allergen-specific IgE and eosinophilic inflammation.
  • Existing murine models, while useful, often rely on surrogate allergens like ovalbumin.
  • Naturally occurring allergens, such as house dust mite (HDM), are increasingly used to create more relevant asthma models.

Purpose of the Study:

  • To describe a physiologically relevant model of acute allergic asthma using house dust mite (HDM) extracts.
  • To compare the HDM-induced asthma model with the traditional ovalbumin/alum-induced model.
  • To propose a detailed readout for assessing the asthma phenotype in murine models.

Main Methods:

  • Sensitization and challenge of mice using house dust mite (HDM) extracts.
  • Comparison with ovalbumin/alum-induced asthma model.
  • Detailed phenotyping including flow cytometry for eosinophilia in bronchoalveolar lavage fluid, visualization of goblet cell metaplasia, and Th cytokine measurement from mediastinal lymph node cells restimulated with HDM.

Main Results:

  • The HDM-induced asthma model provides a more physiologically relevant representation of allergic asthma.
  • Detailed phenotyping methods were established for comprehensive assessment of the asthma phenotype.
  • Comparison highlights the advantages of using natural allergens like HDM over surrogate allergens.

Conclusions:

  • A house dust mite (HDM) extract-based model offers a superior and more relevant approach to studying allergic asthma.
  • The proposed detailed readout enables comprehensive evaluation of asthma phenotypes in murine models.
  • This model facilitates a deeper understanding of allergic asthma mechanisms and potential therapeutic targets.