Figure 4

Differentiated PD63 cybrid cells have increased levels of ROS. (A) ROS detection (green) with CellROX Green Reagent kit (Invitrogen™). Phase contrast images (60X) of the same fields are also shown. (B) Western blot analysis of γH2AX in differentiated PD63 cells grown in the presence of N-acetyl-cysteine (NAC) or N-acetyl-alanine (NAA) as control. GAPDH, loading control.