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J Gastroenterol Hepatol. 2006 Oct;21 Suppl 3:S26-9.

Alcohol-induced oxidative stress and cell responses.

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1
Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.

Abstract

Epidemiological and animal studies have demonstrated that alcohol abuse is directly associated with the increase of multiple organ diseases, such as liver injury, cardiovascular diseases, and neurological disorders. While the mechanisms of alcohol-induced cell injury and disease remain to be investigated, recent studies indicate that reactive oxygen species (ROS) may play an important role. Reactive oxygen species are able to cause various cellular injuries, such as DNA damage, lipid peroxidation and protein modification. Cellular systems are protected from ROS-induced cell injuries by an array of defenses composed of various anti-oxidants with different functions. When the ROS present in the cellular system overpower the defense systems, they will cause oxidative stress or cell injury, leading to the development of diseases. This article reviews recent literature on alcohol-induced ROS production, oxidative stress, signal transduction, and cellular responses. The implication of these processes in alcohol-related diseases is also discussed.

[Indexed for MEDLINE]

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