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Abstract Title:

Sulforaphane prevents PC12 cells from oxidative damage via the Nrf2 pathway.

Abstract Source:

Mol Med Rep. 2019 Jun ;19(6):4890-4896. Epub 2019 Apr 10. PMID: 31059012

Abstract Author(s):

Bing Bao, Man-Qing Zhang, Zhi-Ying Chen, Xiang-Bing Wu, Zhong-Bing Xia, Jing-Yan Chai, Xiao-Ping Yin

Article Affiliation:

Bing Bao

Abstract:

: The aim of this study was to investigate the protective effect of sulforaphane (SFN) on 1‑methyl‑4‑phenyl pyridine ion (MPP+)‑induced cytotoxicity and to investigate its possible mechanisms.

METHODS: PC12 cell toxicity induced by MPP+ served as a cell model of Parkinson's diseases. The cell culture + experiments were divided into four groups based on the different treatments, namely, vehicle control, SFN, MPP+ and SFN pretreatment plus MPP+. Cell viability and apoptosis were examined by MTT assay and flow cytometry, respectively. Expressions of nuclear factor erythroid 2‑related factor 2(Nrf2), heme oxygenase 1 (HO‑1) and nicotinamide quinone oxidoreductase 1 (NQO1) were detected using western blotting.

RESULTS: MPP+ reduced the survival rate of PC12 cells in a dose‑ and time‑dependent manner. After 24‑h treatment with 500 µmol/l MPP+, the survival rate of PC12 cells decreased to 58.2±0.03% of that in the control groups. Under the same conditions MPP+ resulted in significant apoptosis of PC12 cells (apoptosis rate: 30.4±0.6%). However, SFN pretreatment significantly attenuated the cell damage induced by MPP+. Furthermore, it was demonstrated that SFN reversed the reduction of Nrf2, HO‑1 and NQO1 expression induced by MPP+.

CONCLUSION: SFN may protect PC12 cells from MPP+‑induced damage via activating the Nrf2‑ARE (antioxidant responsive element) pathway.

Study Type : In Vitro Study

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Sayer Ji
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