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GRA and GA cytotoxicity in MA104 cells MA104 cells were treated for six hours with the indicated concentrations of GA or GRA. Viability was measured with the Promega CellTiterGlo Assay according to the manufacturer’s protocol, with digitonin as the control for 100% cytotoxicity. Red bars indicate GRA and blue bars GA. Data shown are representative of two experiments, with each concentration tested in triplicate in each experiment. Error bars indicate SEM.
