A, Western blot of DNA repair-related genes in MTM and IR co-treated LNCaP cells. B, Western blot of DNA repair-related genes in MTM and IR co-treated VCaP cells. C, Quantification of Western data in LNCaP cells with Image J using GAPDH intensity for normalization. D, Decreased survival when IR in the presence of MTM versus mock in 22RV1 cells (*, P ≤ 0.05). E, Average number of γ-H2AX Foci in MTM and 2Gy IR co-treated LNCaP cells. F, Average number of γ-H2AX Foci in MTM and 2Gy IR co-treated VCaP cells.