Table I.

Growth inhibition rate of human bladder cancer EJ cells treated with modified TAT-Apoptin at different concentrations for various time periods.

	24 h			48 h			72 h
TAT-Apoptin (μg/ml)	OD mean ± SD	Inhibition rate (%)	P-value	OD mean ± SD	Inhibition rate (%)	P-value	OD mean ± SD	Inhibition rate (%)	P-value
0	0.003±0.001	0	-	0.003±0.001	0	-	0.003±0.001	0	-
0.1	0.861±0.007	1.61±0.87	0.003	1.350±0.003	2.60±1.74	0.000	0.865±0.003	15.57±1.83	0.000
0.5	0.861±0.006	1.61±0.60	0.003	1.302±0.013	6.07±2.14	0.000	0.798±0.020	22.06±2.40	0.000
1	0.827±0.004	5.50±1.92	0.000	1.242±0.006	10.41±1.64	0.000	0.756±0.007	26.25±1.09	0.000
10	0.799±0.004	8.72±1.83	0.000	1.110±0.009	20.06±1.87	0.000	0.446±0.003	56.61±1.91	0.000
50	0.483±0.005	44.95±2.07	0.000	0.451±0.006	67.61±2.34	0.000	0.212±0.002	79.53±2.06	0.000
100	0.215±0.005	75.69±2.58	0.000	0.204±0.008	80.33±2.47	0.000	0.223±0.011	84.09±2.21	0.000

OD, optical density.