Figure 5From: Vitamin D3 potentiates the antitumorigenic effects of arsenic trioxide in human leukemia (HL-60) cells Annexin V-FITC positive cells induced by either arsenic trioxide alone or vitamin D3 and arsenic trioxide combination in HL-60 cells. Each point represents the mean value and the standard deviation of three experiments, showing similar results. *Significantly different from control (0 μg/mL), p < 0.05.Back to article page