Table 3.

Effect of As₂O₃ on apoptosis of MKN45 cells.

Groups		Apoptosis (%)
		24 h	48 h	72 h
Control		0.5±0.1	0.4±0.3	0.5±0.2
As2O3 (mmol/L)	1	2.7±2.1a	7.2±2.5a	12.3±3.6a
	5	7.3±5.7a	17.3±5.7a	21.1±5.6a
	10.0	11.6±3.4a	25.4±7.1a	35.8±8.1a

^aP<0.05 vs control.