Related Experiment Video
Updated: Jul 29, 2026

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
Published on: August 25, 2017
Oxidative stress in allergic respiratory diseases
Russell P Bowler1, James D Crapo
1National Jewish Medical and Research Center, Denver, CO 80236, USA.
Oxidative stress contributes to allergic disorders like asthma. Reducing exposure to environmental oxidants or boosting antioxidant defenses may help treat these conditions.
Area of Science:
- Immunology
- Environmental Health
- Biochemistry
Background:
- Allergic disorders, including asthma, rhinitis, and atopic dermatitis, are significantly influenced by oxidative stress.
- Oxidative stress is characterized by an excess of reactive oxygen and nitrogen species, leading to cellular damage.
- Environmental factors like air pollution and cigarette smoke contribute to oxidative stress.
Purpose of the Study:
- To explore the role of oxidative stress in allergic disorders.
- To investigate the potential of antioxidant strategies as therapeutic interventions for allergic respiratory conditions.
Main Methods:
- Review of existing evidence on oxidative stress and allergic diseases.
- Analysis of the localization and function of antioxidant enzymes in the lung.
- Examination of the interaction between nitric oxide and reactive oxygen species.
Main Results:
- Oxidative stress is a key mediator in the pathogenesis of allergic disorders.
- Antioxidant enzymes in the lung may act as cell-signaling regulators.
- Reactive oxygen species contribute to cellular damage in allergic conditions.
Conclusions:
- Therapeutic strategies targeting oxidative stress are promising for allergic respiratory disorders.
- Decreasing environmental reactive oxygen species exposure can be beneficial.
- Augmenting endogenous antioxidant defenses may serve as an adjunctive therapy.
Related Concept Videos
Asthma: Pathogenesis and Management
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.
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Asthma-II: Pathophysiology and Classification
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:
Asthma I: Introduction
Chronic Obstructive Pulmonary Disease II: Emphysema
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

