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Abstract Title:

Neuroprotection of mangiferin against oxidative damage via arousing Nrf2 signaling pathway in PC12 cells.

Abstract Source:

Biofactors. 2019 Jan 11. Epub 2019 Jan 11. PMID: 30633833

Abstract Author(s):

Shoujiao Peng, Yanan Hou, Juan Yao, Jianguo Fang

Article Affiliation:

Shoujiao Peng

Abstract:

Accumulating evidence demonstrates that oxidative stress is involved in the pathogenesis and progression of neurodegeneration. As NF-E2-related factor 2 (Nrf2) plays a crucial role in maintaining cellular redox homeostasis, small molecules with the ability in activation of Nrf2 pathway are promising neuroprotective agents. Mangiferin (Mg) is a xanthone glucoside extracted from mangoes and papayas, and has been reported to possess multiple pharmacological activities. In this study, we investigated neuroprotective effects of Mg in the neuron-like rat pheochromocytoma cell line (PC12 cells). Mg scavenges different kinds of free radicals in vitro and attenuates hydrogen peroxide- or 6-hydroxydopamine-induced cell death. After treatment with Mg, a range of antioxidant genes governed by Nrf2 were upregulated, and the expressions and activities of these gene products were also elevated. Moreover, knockdown of Nrf2 antagonized the protective effect of Mg, indicating that Nrf2 is an essential factor in this cytoprotective process. In summary, our study demonstrates that Mg is a potent antioxidant that can provide neuroprotection against oxidative stress-mediated damage of PC12 cells.© 2019 BioFactors, 2019.

Study Type : In Vitro Study

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Sayer Ji
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