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Related Concept Videos

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-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: 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 III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

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,...
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:
Allergic Reactions02:06

Allergic Reactions

Overview

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Related Experiment Video

Updated: Jun 3, 2026

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
06:34

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Wheat allergens associated with Baker's asthma.

G Salcedo1, S Quirce, A Diaz-Perales

  • 1Unidad de Bioquímica, Departamento de Biotecnología, E T S Ingenieros Agrónomos, Universidad Politécnica, Madrid, Spain. gabriel.salcedo@upm.es

Journal of Investigational Allergology & Clinical Immunology
|April 6, 2011
PubMed
Summary
This summary is machine-generated.

Baker's asthma, an occupational allergy from inhaling wheat flour, is reviewed for diagnosis and treatment. Wheat allergens are explored as tools for better understanding and managing this common condition.

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Area of Science:

  • Occupational Health
  • Allergology
  • Food Science

Background:

  • Baker's asthma is a prevalent occupational allergic respiratory disease.
  • Inhalation of cereal flour, especially wheat, is the primary cause.
  • Understanding wheat allergens is crucial for disease management.

Purpose of the Study:

  • To review current diagnostic and treatment strategies for baker's asthma.
  • To explore the role of specific wheat allergens in the disease.
  • To identify limitations in using allergens as molecular tools.

Main Methods:

  • Literature review of studies on baker's asthma.
  • Analysis of salt-soluble and salt-insoluble wheat proteins as allergens.
  • Discussion of current diagnostic and immunomodulatory treatments.

Main Results:

  • Identified key wheat allergens including alpha-amylase/trypsin inhibitors, albumins, globulins, and prolamins (gliadins, glutenins).
  • Discussed the potential of these allergens as molecular tools for diagnosis and immunotherapy.
  • Highlighted existing limitations in their application.

Conclusions:

  • Wheat allergens offer potential for improved diagnosis and immunotherapy of baker's asthma.
  • Further research is needed to overcome current limitations in utilizing these molecular tools.
  • Comprehensive management requires understanding both clinical aspects and allergen specifics.