Fig. 6From: Olaparib and ionizing radiation trigger a cooperative DNA-damage repair response that is impaired by depletion of the VRK1 chromatin kinaseEffect of the ATM inhibitor KU55933 on the formation of γH2AX (a) and 53BP1 (b) foci induced by olaparib in A549 cells. c. Detection of VRK1 depletion in immunoblot. siC: siControl, siV: siVRK1–02. ns: not significant, ** p < 0.01, *** p < 0.001Back to article page