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Expression of MGMT (O6-methylguanine-DNA-methyltransferase). Representative western blot results and densitometric analysis of the MGMT protein. Data are expressed as the mean ± SEM of three independent experiments. * A significant difference (p < 0.05) between Mif/Tz and the other groups with tumor cell implantation (given Tz, Mif or the vehicle).
