Abstract
It is a good therapeutic method that add exogenous ROS to trigger oxidative stress causing death of cancer cells. In the present study, we investigated the inhibitory effects of 3,4,5-trihydroxybenzoic acid (TBA), a polyhydroxyphenolic compound, on high metastatic human lung cancer cell line (95-D) based on inducing reactive oxygen species (ROS). The experimentsin vitroshowed that 95-D cell viability was inhibited by various amounts of TBA and death was induced in a dose-dependent manner. The possible mechanism was that TBA can induce cell death by decreasing mitochondrial membrane potential (MMP;ΔΨm) and increasing hydrogen peroxide (H2O2) level. These results imply that TBA efficiently induces death in 95-D lung cancer cells and that TBA exerts cytotoxicity on cancer cells by its pro-oxidative activity.
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