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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
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...
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...
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
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...

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Related Experiment Video

Updated: Jun 19, 2026

Flow Cytometric Analysis of Particle-bound Bet v 1 Allergen in PM10
10:42

Flow Cytometric Analysis of Particle-bound Bet v 1 Allergen in PM10

Published on: November 19, 2016

Rare indoor allergens.

G Pauli1, J C Bessot

  • 1Faculté de Mèdecine, Strasbourg, France.

European Annals of Allergy and Clinical Immunology
|November 3, 2009
PubMed
Summary
This summary is machine-generated.

Indoor environments harbor uncommon allergens from diverse sources like animals and plants. Recognizing and confirming sensitization to these rare allergens is crucial for effective management and improved health outcomes.

More Related Videos

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

Related Experiment Videos

Last Updated: Jun 19, 2026

Flow Cytometric Analysis of Particle-bound Bet v 1 Allergen in PM10
10:42

Flow Cytometric Analysis of Particle-bound Bet v 1 Allergen in PM10

Published on: November 19, 2016

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

Area of Science:

  • Environmental Science
  • Allergy and Immunology

Background:

  • Rare allergens in indoor environments are often overlooked.
  • Sources include animal (acaride, insect, mammalian) and vegetable allergens.
  • Prevalence is influenced by geography, climate, habits, and dwelling characteristics.

Purpose of the Study:

  • To review rare and potentially new allergens found indoors.
  • To highlight the importance of recognizing these allergens.

Main Methods:

  • Literature review of rare indoor allergens.
  • Discussion of diagnostic criteria for sensitization.

Main Results:

  • Identified diverse sources of rare indoor allergens.
  • Emphasized the need for confirmed clinical history, immunological tests, and avoidance efficacy.

Conclusions:

  • Increased awareness of rare indoor allergens is needed.
  • Proper diagnosis and management strategies are essential for affected individuals.