4.7 Review

Reactive Oxygen Species and Strategies for Antioxidant Intervention in Acute Respiratory Distress Syndrome

Journal

ANTIOXIDANTS
Volume 12, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/antiox12112016

Keywords

acute respiratory distress syndrome; reactive oxygen species; antioxidant; acute lung injury; superoxide dismutase; glutathione; vitamins

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Acute respiratory distress syndrome (ARDS) is a life-threatening pulmonary condition with a lack of comprehensive treatment. Reactive oxygen species (ROS) play a pivotal role in the pathophysiology of ARDS. Antioxidants are considered to have the potential to alleviate ARDS.
Acute respiratory distress syndrome (ARDS) is a life-threatening pulmonary condition characterized by the sudden onset of respiratory failure, pulmonary edema, dysfunction of endothelial and epithelial barriers, and the activation of inflammatory cascades. Despite the increasing number of deaths attributed to ARDS, a comprehensive therapeutic approach for managing patients with ARDS remains elusive. To elucidate the pathological mechanisms underlying ARDS, numerous studies have employed various preclinical models, often utilizing lipopolysaccharide as the ARDS inducer. Accumulating evidence emphasizes the pivotal role of reactive oxygen species (ROS) in the pathophysiology of ARDS. Both preclinical and clinical investigations have asserted the potential of antioxidants in ameliorating ARDS. This review focuses on various sources of ROS, including NADPH oxidase, uncoupled endothelial nitric oxide synthase, cytochrome P450, and xanthine oxidase, and provides a comprehensive overview of their roles in ARDS. Additionally, we discuss the potential of using antioxidants as a strategy for treating ARDS.

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