Table 3.

Effects of MMP-2 siRNA on tumor cell adhesion

Groups	A value
Blank control	0.35 ± 0.03
pGPU6 (-)	0.34 ± 0.04
pGPU6-1	0.13 ± 0.02bd
pGPU6-2	0.20 ± 0.01bd
pGPU6-3	0.26 ± 0.01bd
pGPU6-4	0.33 ± 0.02ac

^aP > 0.05 vs blank control, P = 0.119;

^bP < 0.05 vs blank control;

^cP > 0.05 vs pGPU6 (-), P = 0.274;

^dP < 0.05 vs pGPU6 (-).