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Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

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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...
112
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

4.7K
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

Asthma: Pathogenesis and Management

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

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

2.4K
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...
2.4K
Asthma-I: Introduction01:29

Asthma-I: Introduction

3.6K
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...
3.6K
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

49
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
49

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Related Experiment Video

Updated: May 3, 2026

Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation
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Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation

Published on: July 23, 2012

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Dendritic cells in asthma.

Mary J van Helden, Bart N Lambrecht

    Current Opinion in Immunology
    |January 24, 2014
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    Summary
    This summary is machine-generated.

    Dendritic cells (DCs) in the lungs initiate immune responses to inhaled antigens. Research shows these cells are crucial for causing allergic asthma, with ongoing studies investigating specific DC roles.

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    Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
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    Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
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    Human Lung Dendritic Cells: Spatial Distribution and Phenotypic Identification in Endobronchial Biopsies Using Immunohistochemistry and Flow Cytometry
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    Human Lung Dendritic Cells: Spatial Distribution and Phenotypic Identification in Endobronchial Biopsies Using Immunohistochemistry and Flow Cytometry

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    Area of Science:

    • Immunology
    • Pulmonology
    • Allergy Research

    Background:

    • The lungs encounter numerous antigens, necessitating immune surveillance.
    • Dendritic cells (DCs) are key immune cells located in the lungs.
    • DCs detect pathogens and initiate immune responses.

    Purpose of the Study:

    • To review current understanding of dendritic cell subsets in allergic asthma.
    • To highlight the role of DCs in responding to inhaled allergens.

    Main Methods:

    • Literature review of current research on dendritic cells and allergic asthma.
    • Analysis of studies investigating DC subsets and their functions in the lungs.

    Main Results:

    • Dendritic cells are essential for inducing allergic responses to inhaled allergens.
    • DCs are both sufficient and necessary for allergic sensitization.

    Conclusions:

    • Various dendritic cell subsets play specific roles in the development of allergic asthma.
    • Further investigation is needed to elucidate the precise mechanisms by which DC subsets contribute to allergic asthma induction.