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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.
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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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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.
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Related Experiment Video

Updated: Dec 20, 2025

Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis
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Epithelial cell dysfunction, a major driver of asthma development.

Irene H Heijink1,2, Virinchi N S Kuchibhotla1,3, Mirjam P Roffel1,4

  • 1Department of Pathology & Medical Biology, GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

Allergy
|May 28, 2020
PubMed
Summary
This summary is machine-generated.

Airway epithelial barrier dysfunction is key in asthma development and allergen sensitization. Understanding these mechanisms offers new targets for asthma treatment by focusing on airway epithelium. (34 words)

Keywords:
(epi)geneticsairway remodellingasthmaepithelial barriertype 2 responses

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Area of Science:

  • Respiratory Medicine
  • Immunology
  • Genetics

Background:

  • Airway epithelial barrier dysfunction is common in asthma.
  • This dysfunction impacts immune responses and airway remodeling.
  • Epithelial barrier defects may drive asthma pathogenesis.

Purpose of the Study:

  • To review the role of airway epithelial barrier function in asthma susceptibility.
  • To explore novel insights into epithelial cell dysfunction in asthma.
  • To highlight potential therapeutic targets within the airway epithelium.

Main Methods:

  • Literature review focusing on asthma pathogenesis and airway epithelium.
  • Analysis of genetic and epigenetic factors in asthma susceptibility.
  • Inclusion of recent single-cell RNA sequencing (scRNA-Seq) studies.

Main Results:

  • Epithelial barrier abnormalities are crucial for allergen sensitization and asthma development.
  • Asthma susceptibility genes are often expressed in the airway epithelium.
  • Genetic and epigenetic interactions influence epithelial responses to environmental factors.

Conclusions:

  • Targeting the airway epithelium offers potential for novel asthma interventions.
  • Understanding epithelial dysfunction mechanisms is critical for effective asthma management.
  • scRNA-Seq provides new avenues for studying airway epithelium in asthma.