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Abstract Title:

Gastrodin Inhibits HO-Induced Ferroptosis through Its Antioxidative Effect in Rat Glioma Cell Line C6.

Abstract Source:

Biol Pharm Bull. 2020 ;43(3):480-487. PMID: 32115506

Abstract Author(s):

Ting Jiang, Jun Chu, Hejuntao Chen, Hui Cheng, Jingjing Su, Xuncui Wang, Yin Cao, Shasha Tian, Qinglin Li

Article Affiliation:

Ting Jiang

Abstract:

Ferroptosis is a form of necrosis caused by iron-induced accumulation of lipid hydroperoxide, involving several molecular events, and has been implicated in Parkinson's disease. Gastrodin is a component of Gastrodia elata Blume with strong antioxidant activity. We examined whether gastrodin can prevent HO-induced cytotoxicity in rat glioma cell line C6. For this purpose, C6 cells were pretreated with gastrodin (1, 5, 25 µM) and then exposed to 100 µM HO. Results showed that pretreatment of C6 cells with gastrodin decreased HO-induced lactate dehydrogenase (LDH) release and cell death. Moreover, gastrodin decreased intracellular malondialdehyde (MDA) level, whereas increased glutathione peroxidase (GPX) activity and glutathione (GSH) level after HOtreatment. In addition, treatment of deferoxamine (DFO), ferrostatin-1, and liproxstatin-1 abolished ferroptosis induced by HOor erastin pretreatment. Treatment with gastrodin attenuated HO-induced ferroptosis and decreased lipid reactive oxygen species (ROS) (C11-BODIPY) production in C6 cells. Moreover, gastrodin increased the protein expression of nuclear factor erythroid 2-related factor 2 (Nrf2), GPX4, ferroportin-1 (FPN1), and heme oxygenase-1 (HO-1) in C6 cells treated with HO. RSL3, a GPX4 inhibitor, inhibited GPX4 protein level in cells co-treated with gastrodin and 100 µM HO. These findings indicate that gastrodin can inhibit HO-induced ferroptosis through its antioxidative effect in C6 cells.

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