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Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure

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Oxidative stress in asthma.

Umit M Sahiner¹, Esra Birben, Serpil Erzurum

¹Pediatric Allergy and Asthma Unit, Department of Pediatrics.

The World Allergy Organization Journal

|December 27, 2012

Summary

This summary is machine-generated.

Asthma involves airway inflammation driven by oxidative stress and reduced antioxidant defenses. Strategies to modulate this oxidative imbalance are crucial for managing asthma severity and improving lung function.

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Published on: September 17, 2021

Area of Science:

Pulmonary Medicine
Biochemistry
Immunology

Background:

Asthma is a chronic inflammatory lung disease characterized by airflow limitation, airway hyperreactivity, and remodeling.
An oxidative state imbalance, with increased reactive oxygen and nitrogen species, is evident in asthma.
Reduced antioxidant defenses, including superoxide dismutase, catalase, and glutathione, are associated with asthma.

Purpose of the Study:

To review current knowledge on oxidative stress in asthma.
To discuss current and future strategies for modulating oxidative stress in asthma patients.

Main Methods:

Literature review of studies investigating oxidative stress markers and antioxidant defenses in asthma.
Analysis of the role of reactive oxygen and nitrogen species in asthma pathogenesis.
Evaluation of therapeutic strategies targeting oxidative stress in asthma.

Main Results:

Reactive oxygen species (ROS) and reactive nitrogen species (RNS) significantly contribute to airway inflammation and asthma severity.
Decreased levels of key antioxidants like superoxide dismutase (SOD), catalase, and glutathione are observed in asthma.
Oxidative stress impacts airway remodeling and hyperresponsiveness.

Conclusions:

Oxidative stress is a key factor in asthma pathogenesis and severity.
Modulating oxidative stress presents a promising therapeutic avenue for asthma management.
Future research should focus on developing targeted antioxidant therapies for asthma.