Inhibitory effects of extracellular adenosine triphosphate on growth of esophageal carcinoma cells

Table 1 Effects of ATP or ADO on PI value of TE-13 cells (n=3, mean±SD)

Concentration (mmol/L)	PI (%)
ATP 0	37.572.02
0.01	39.173.65
0.1	31.241.04a
1	28.691.33a
ADO 0	36.851.15
0.01	29.911.78
0.1	32.343.39
1	21.765.20b

^aP<0.05,

^bP<0.01 vs control group.

Table 2 Apoptosis of TE-13 cells induced by extracellular ATP or ADO (n=3, mean±SD)

Concentration (mmol/L)	Apoptotic rate (%)
ATP 0	1.350.07
0.03	3.890.29
0.1	7.730.57a
0.3	12.400.61b
1	16.601.10a
ADO 0	2.430.85
0.03	6.750.49a
0.1	9.731.70d
0.3	13.100.53d
1	16.901.20d

^aP<0.05,

^bP<0.01, and

^dP<0.001 vs control (0 mmol/L).