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>Protective effect of rutin on ferroptosis‐induced oxidative stress in aging laying hens through Nrf2/HO‐1 signaling
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Protective effect of rutin on ferroptosis‐induced oxidative stress in aging laying hens through Nrf2/HO‐1 signaling
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机译：Protective effect of rutin on ferroptosis‐induced oxidative stress in aging laying hens through Nrf2/HO‐1 signaling
Abstract Oxidative stress is a major cause of ovarian aging and follicular atresia. There is growing evidence that showed potential roles of rutin in antidiabetic, anti‐inflammatory, antitumor, antibacterial and antioxidant, although it is yet unclear what the underlying mechanism is. Here, we looked into the potential effects of rutin on oxidative stress in the prehierarchical small white follicles (SWFs) from 580‐day‐old (D580) laying chickens. According to the findings, aging D580 layer ferroptosis was much higher than it was for laying hens during the peak period (280‐day‐old, D280). In both naturally aged and d‐gal‐induced chicken SWFs, rutin treatment concurrently boosted cell proliferation and prevented apoptosis. In addition, rutin inhibited the increased ferroptosis in aging hens. Meanwhile, rutin markedly suppressed the elevated ferroptosis and descending antioxidant capacity of D280‐culture‐SWFs from chicken elicited by d‐gal. Rutin's activation of the Nrf2/HO‐1 pathway hastened the SWFs' verbal battle with oxidative damage and reduced ferroptosis. Furthermore, activation of the ferroptosis signal increased the oxidative damage in SWFs. In conclusion, rutin alleviated oxidative stress that was induced by ferroptosis in aging chicken SWFs through Nrf2/HO‐1 pathway. These findings point to a novel mechanism by which rutin protects SWFs from oxidative stress by suppressing ferroptosis, which is presumably a fresh approach to slowing ovarian aging in laying hens.
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