Table II.

Effect of survivin siRNA on the apoptosis rate of different cancer cells detected by flow cytometry after Annexin-V/propidium iodide staining.

	Apoptosis rate (mean ± standard deviation, %)
Cell lines	Survivin siRNA group	NC group	Normal group
MDA-MB-231	17.21±2.13a,b	4.29±1.47	3.27±1.32
SGC-7901	19.45±2.58c	13.77±2.71	12.72±2.83
HeLa	5.37±1.04c	4.45±1.01	2.62±0.91
A549	19.89±3.18c	15.29±2.86	13.38±2.15
SK-OV-3	4.87±0.84	4.66±0.84	4.53±0.81
Raji	8.98±1.03	8.65±1.02	7.89±0.92
PC-3	7.38±1.56b,d	3.77±1.19	3.72±0.89

Values are presented as the mean ± standard deviation for three separate experiments performed in triplicate.

^aP<0.01

^bP<0.05 vs. normal group

^cP<0.01

^dP<0.05 vs. NC group. NC, scrambled negative control siRNA; si, small interfering.