4.7 Article

Anti-Aging Effects of Anthocyanin Extracts of Sambucus canadensis Caused by Targeting Mitochondrial-Induced Oxidative Stress

Journal

Publisher

MDPI
DOI: 10.3390/ijms24021528

Keywords

anthocyanin; cell senescence; PI3K; AKT; mTOR pathway; autophagy; apoptosis

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This study evaluated the anti-aging effects of anthocyanin extracted from the fruits of Sambucus canadensis. The results showed that anthocyanin can significantly reduce cell senescence and aging of the lens by inhibiting the activity of the PI3K/AKT/mTOR signaling pathway. It promotes the apoptosis of senescent cells, increases autophagic and mitophagic flux, enhances mitochondrial renewal and cell homeostasis, thus attenuating aging. Therefore, anthocyanin can be used as a potential senolytic in anti-aging therapies.
Anthocyanin is a natural antioxidant agent extracted from the fruits of Sambucus canadensis, which has been considered to have potential anti-aging effects. Cell senescence is the primary cause of aging and related diseases. Recently, research on the development of compounds for eliminating senescent cells or damaged organs have shown prospects. The compounds which promote the clearing of senescent cells are called senolytics. Though anthocyanin is considered to have potential anti-aging effects owing to its anti-inflammatory and antioxidant activities, the mechanism of the elimination of senescent cells remains unclear. In this study, we prepared anthocyanins extracted from the fruits of Sambucus canadensis and evaluated their anti-aging effects in vivo and in vitro. We found that anthocyanin could significantly reduce cell senescence and aging of the lens by inhibiting the activity of the PI3K/AKT/mTOR signaling pathway, consequently promoting the apoptosis of senescent cells, increasing the autophagic and mitophagic flux, and enhancing the renewal of mitochondria and the cell to maintain cellular homeostasis, leading to attenuating aging. Therefore, our study provided a basis for anthocyanin to be used as new senolytics in anti-aging.

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