Abstract
As a direct neurotoxin, ethanol exposure is associated with nerve damage and dysfunction of central nervous system (CNS) and induced obvious neurotoxicity by increasing the reactive oxygen species (ROS) production, activation of endogenous apoptotic as well as necrotic signals, and other molecular mechanisms. The previous studies had demonstrated that natural herbal medicine offers protective effectiveness on ethanol-induced nerve cell damage. Danshen and its extracts have been known to have an antioxidant property and neuroprotective effects. However, the protective effects of Danshen formula granule and salvianic acid A on ethanol-induced neurotoxicity remain unknown. In this study, we found that the Danshen formula granule and salvianic acid A significantly inhibited the ethanol-induced cell death, blocked LDH release, and reduced dendritic spine loss. Furthermore, the intracellular ROS, MDA production, and ethanol-induced apoptosis were significantly ameliorated with Danshen formula granule and salvianic acid A pretreatment by increasing the antioxidant enzymatic activity of CAT, SOD and GSH-Px, and inhibiting apoptotic pathways. In addition, Danshen formula granule and salvianic acid A pretreatment obviously inhibit the apoptotic pathways by regulating the protein expression of Bcl-2, Bax, and Caspase-3. In conclusion, our data demonstrated that the Danshen formula granule and salvianic acid A provide a significantly protective effectiveness against ethanol-induced neurotoxicity, which might be a potential therapeutic drug for ethanol-induced neurological disorders.
Published Version
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