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Assessment of hydroquinone-induced toxicity in TrHBMECs with MTT assay. TrHBMEC proliferation after hydroquinone treatment was assessed using MTT assay. TrHBMECs were exposed to hydroquinone (5-1000 μM) for 3 days. Results are expressed as the mean ± S.D. of three independent determinations. The calculated IC50 is 139 μM.
