Figure 2. Confocal imaging of SIRT1, LSD1 and KU70 in KCL-22 cells after DNA damage.

Co-localization of KU70 with γH2AX A., SIRT1 B. and LSD1 C. in the absence and presence of DNA damage by overnight treatment with 0.5 μM CPT or 2 h after 10 Gy radiation.