期刊
ANTIOXIDANTS
卷 10, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/antiox10121956
关键词
acute lung injury; reactive oxygen species; oxygen radical; antioxidants
资金
- Major Science and Technology Innovation Program of Hubei Province: China [2018ACA159]
Acute lung injury (ALI) is a condition caused by various factors leading to acute hypoxic respiratory insufficiency, with oxidative stress playing a significant role in its pathogenesis. While antioxidants can alleviate ALI by scavenging ROS, they may have no significant effect and could even aggravate severe organ injury.
Acute lung injury (ALI) is an acute hypoxic respiratory insufficiency caused by various intra- and extra-pulmonary injury factors. The oxidative stress caused by excessive reactive oxygen species (ROS) produced in the lungs plays an important role in the pathogenesis of ALI. ROS is a double-edged sword, which is widely involved in signal transduction and the life process of cells at a physiological concentration. However, excessive ROS can cause mitochondrial oxidative stress, leading to the occurrence of various diseases. It is well-known that antioxidants can alleviate ALI by scavenging ROS. Nevertheless, more and more studies found that antioxidants have no significant effect on severe organ injury, and may even aggravate organ injury and reduce the survival rate of patients. Our study introduces the application of antioxidants in ALI, and explore the mechanisms of antioxidants failure in various diseases including it.
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