(a)
(b)
Figure 2: Gating of viable, dead, and apoptotic MSCs. (a) After excluding debris, the CellEvent caspase-3/7 FITC positive cells were gated as nonviable, and the rest as viable cells. (b) Nonviable cells were then gated as dead (SYTOX®AADvanced positive) and apoptotic cells (the rest).