Effects of different concentrations of nicotinamide on hematopoietic stem cells cultured in vitro

Figure 3 Effect of different concentrations of nicotinamide on the proportion of apoptotic cells and cell cycle distribution. A: Representative flow cytometry for apoptosis detection in each group; B: Proportion of apoptotic cells in each group; C: Comparison of cell cycle distribution among different groups. ^aP < 0.05; ^bP < 0.01; ^cP < 0.001. NAM: Nicotinamide.