The synergetic effect of edaravone and scutellarin in the MPP(+)-induced cell model of Parkinson's disease.

Parkinson's disease (PD) is a limb movement disorder caused by the degeneration of brain neurons and seriously affects the quality of life of the elderly. However, the current drugs are symptomatic treatments that cannot prevent or delay the development of the disease. Targeted therapy for pathogenesis may be the direction of development in the future. Oxidative stress and the inflammatory response are involved in the pathogenesis of PD. Edaravone and scutellarin have been studied in antioxidant and anti-inflammatory reactions. The focus of this study is whether there is synergy between the two and its mechanism. Through research, we found that edaravone and scutellarin at different dose combinations have synergistic effects in 1-methyl-4-phenylpyridinium (MPP+)-induced PC12 cells using the Chou-Talalay joint index method. According to the CompuSyn software calculation, the results showed that the combination index (CI) of the combined application of 15 µM edaravone and 15 µM scutellarin was the lowest, indicating that the synergistic effect was the best. Compared with the single drug, the synergy increased superoxide dismutase (SOD) and reduced glutathione (GSH) levels, reduced the levels of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β), and enhanced the anti-apoptosis ability in the MPP(+) induced cell model of PD.