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Oxidative stress imposes a substantial cellular burden on the brain and contributes to diverse neurodegenerative diseases. Various antioxidant signaling pathways have been implicated in oxidative stress and have a protective effect on brain cells by increasing the release of numerous enzymes and through anti-inflammatory responses to oxidative damage caused by abnormal levels of reactive oxygen species (ROS). Although many molecules evaluated as antioxidants have shown therapeutic potentials in preclinical studies, the results of clinical trials have been less than satisfactory. This review focuses on several signaling pathways involved in oxidative stress that are associated with antioxidants. These pathways have a protective effect against stressors by increasing the release of various enzymes and also exert anti-inflammatory responses against oxidative damage. There is no doubt that oxidative stress is a crucial therapeutic target in the treatment of neurological diseases. Therefore, it is essential to understand the discovery of multiple routes that can efficiently repair the damage caused by ROS and prevent neurodegenerative disorders. This paper aims to provide a concise and objective review of the oxidative and antioxidant pathways and their potential therapeutic applications in treating oxidative injury in the brain.
Lee et al. (Wed,) studied this question.