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SKQ1: a mitochondria-targeted antioxidant with therapeutic potential
1Department of Laboratory Medicine, The Third Xiangya Hospital of Central South University, Changsha, China.
None:
Mitochondria-targeted antioxidants can selectively accumulate within mitochondria at low doses, thereby significantly enhancing therapeutic efficiency while minimising potential side effects. SKQ1, a novel mitochondria-targeted antioxidant, operates through a well-defined mechanism: a lipophilic cation enables mitochondrial targeting, while plastoquinone exerts antioxidant activity. SKQ1 primarily exerts its potent antioxidative effects by directly neutralising reactive oxygen species (ROS), thereby protecting mitochondrial function. Numerous studies have explored the biological functions of SKQ1, identifying its significant potential in anti-ageing, immune regulation, and antimicrobial activity. In this review, we summarise all available therapeutic evidence of SKQ1. We propose that SKQ1 represents a promising candidate for treating mitochondrial dysfunction-related diseases; however, its safety profile warrants further investigation.
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