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Neuroprotective effect of R-LA by MTT cell viability assay.
Notes: (A) Structure of R-LA. (B) Dose-dependent increase in cell viability following pretreatment with R-LA prior to H2O2 exposure (400 μM) for 24 hours. Values are means ± standard error and the asterisks indicate significantly different values from H2O2-treated cells (*P<0.05, n=9).
Abbreviation: R-LA, (R)-(+)-alpha-lipoic acid.
