Neuroprotective Effect of the Mixture of Gastrodiae elata and Glycyrrhizae uralensis In Vitro
Applied Sciences(2022)
摘要
This study investigated the effect of a mixture of Gastrodiae elata and Glycyrrhizae uralensis (GGW) on β-amyloid-induced neuronal damage in vitro. Methods: For finding the appropriate GGW ratio, we performed MTT assays using the ratios of 5:5, 6:4, 7:3, 8:2 and 9:1 in SK-N-SH cell and SH-SY-5Y cell. Treatment with β-amyloid (10 μM) caused cell death and overexpression of acetylcholinesterase (ACHE) in SH-SY-5Y cells. β-amyloid treatment increased the expression of mitogen-activated protein kinases (MAPKs). In addition, we detected the antioxidant activity of GGW using DCF-DA staining of SK-N-SH cells. To determine the effect of GGW on oxidative stress, we used a hydrogen peroxidase-induced in vitro model. Results: We selected the ratios of 5:5 and 7:3 mixtures with the least cytotoxicity. The 7:3 ratio of GGW (GGW73) decreased the mRNA expression of ACHE in SH-SY-5Y cell more than the 5:5 ratio of GGW (GGW55). GGW73 suppressed p-ERK protein expression in β-amyloid-treated SH-SY-5Y cells. Additionally, GGW73 regulated reactive oxygen species (ROS) in vitro. GGW73 treatment regulated apoptotic factors in β-amyloid-stimulated neuronal cells. Conclusions: These results suggest that GGW73 exerts neuroprotective and anti-inflammatory effects in vitro. These results also showed that GGW73 had a protective effect against H2O2 induced cell damage in an in vitro model. These results indicate the potential of GGW as a therapeutic agent for cognitive disorders.
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