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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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.
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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:
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

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.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
Asthma-IV: Diagnostic and Management01:30

Asthma-IV: Diagnostic and Management

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:
This is the first step in diagnosing and managing asthma. It includes:
Asthma-I: Introduction01:29

Asthma-I: Introduction

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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Related Experiment Video

Updated: Jun 18, 2026

Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
10:39

Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy

Published on: April 16, 2019

Redefining asthma through new immune response pattern: A clinically driven perspective.

Selma Yalçın1, Aslı Bostanoğlu Karaçin1, Ömür Aydın1

  • 1Ankara University Faculty of Medicine, Department of Chest Diseases, Division of Immunology and Allergic Diseases, Ankara, Türkiye.

Respiratory Medicine
|June 16, 2026
PubMed
Summary
This summary is machine-generated.

The European Academy of Allergy and Clinical Immunology (EAACI) immune response system is feasible for classifying asthma patients. Type 4b, often with Types 4c and 6, is clinically relevant for personalized asthma treatment.

Keywords:
AsthmaEoshinophilicImmun responseNomenclature

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A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
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A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

Published on: April 13, 2010

Related Experiment Videos

Last Updated: Jun 18, 2026

Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
10:39

Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy

Published on: April 16, 2019

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice
09:58

A Reversible, Non-invasive Method for Airway Resistance Measurements and Bronchoalveolar Lavage Fluid Sampling in Mice

Published on: April 13, 2010

Area of Science:

  • Immunology
  • Pulmonology
  • Clinical Medicine

Background:

  • The European Academy of Allergy and Clinical Immunology (EAACI) introduced an immune response-based classification for asthma in 2023.
  • This system integrates molecular, endotypic, and clinical data to define immune response groups.
  • It aims to clarify asthma heterogeneity and guide personalized treatment strategies.

Purpose of the Study:

  • To classify asthma patients using the EAACI immune response system.
  • To identify predominant and overlapping immune response groups.
  • To correlate these groups with clinical features.

Main Methods:

  • Retrospective chart review of asthma patients in a tertiary outpatient clinic (February-April 2025).
  • Patients categorized into seven EAACI-defined immune response groups based on clinical criteria.
  • Analysis of demographic data, Asthma Control Test (ACT) scores, treatment steps, and disease severity.

Main Results:

  • 401 patients were analyzed; all exhibited Type 5 features.
  • Predominant immune responses included Type 4b (90%), Type 4c (58.9%), and Type 1 (44.6%).
  • Type 4b frequently co-occurred with Types 4c and 6. Step 5 treatment was linked to Type 4b, while Step 3 was linked to Type 1. ACT scores showed no significant differences across groups.

Conclusions:

  • The EAACI immune response classification is feasible and clinically significant for asthma.
  • The prevalence of Type 4b, often co-occurring with Types 4c and 6, highlights its clinical importance.
  • This framework facilitates a phenotype-endotype link, potentially guiding personalized asthma therapies.