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Related Concept Videos

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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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.
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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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Hypersensitivity Reactions: Immune-Complex Reactions01:19

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Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum...
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Hypersensitivities01:30

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Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
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Related Experiment Video

Updated: Mar 16, 2026

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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Hyper-IgE Syndromes and the Lung.

Alexandra F Freeman1, Kenneth N Olivier1

  • 1Laboratory of Clinical Infectious Diseases, NIAID, NHLBI, National Institutes of Health, Bethesda, MD, USA.

Clinics in Chest Medicine
|August 13, 2016
PubMed
Summary

High serum IgE can indicate various conditions, including rare genetic immune disorders. Understanding these hyper-IgE syndromes is crucial for diagnosis and treatment.

Keywords:
DOCK8 deficiencyHyper-IgE syndromesJob syndromePGM3 deficiencyPulmonary manifestationsSTAT3

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Area of Science:

  • Immunology
  • Genetics
  • Pulmonology

Background:

  • Elevated serum IgE is linked to diverse causes like infections, allergies, and immune dysregulation.
  • Hyper-IgE syndromes are monogenic primary immunodeficiencies characterized by high IgE, eczema, and recurrent infections.

Purpose of the Study:

  • To discuss clinical features of primary immunodeficiencies associated with high IgE.
  • To focus on pulmonary manifestations, genetics, pathogenesis, and therapeutic approaches for these conditions.

Main Methods:

  • Review of clinical features.
  • Analysis of genetic mutations (STAT3, DOCK8, PGM3).
  • Discussion of pathogenesis and therapeutic strategies.

Main Results:

  • Primary immunodeficiencies like STAT3, DOCK8, and PGM3 mutations cause hyper-IgE.
  • Recurrent pneumonias and bronchiectasis are common pulmonary manifestations.
  • Genetic diagnosis is vital for tailored therapy, family planning, and prognosis.

Conclusions:

  • Genetic diagnosis is essential for managing hyper-IgE syndromes.
  • Understanding unique features guides treatment and prognosis.
  • Focus on pulmonary aspects is critical for patient outcomes.