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Effect of UCP2 knockdown on DNA damage repair in HeLa cells. (a) γH2AX expression assayed by immunofluorescence. (b) Western blots of Ku70, Rad51, and the β-actin loading control. (c) Relative protein amount of Ku70 and Rad51. Bars represent means ± SD of triplicate assays. ∗∗P < 0.01 vs. negative control, #P < 0.05 and ##P < 0.01 vs. 4 Gy irradiation.
