Suppression of matrix metalloproteinase-2 via RNA interference inhibits pancreatic carcinoma cell invasiveness and adhesion

Table 2 Down-regulation of MMP-2 protein expression detected by Western blot

Groups	Relative density
Blank control	0.86 ± 0.03
pGPU6 (-)	0.82 ± 0.02
pGPU6-1	0.18 ± 0.02bd
pGPU6-2	0.31 ± 0.04bd
pGPU6-3	0.41 ± 0.02bd
pGPU6-4	0.82 ± 0.03ac

^aP > 0.05 vs blank control, P = 0.102;

^bP < 0.05 vs blank control;

^cP > 0.05 vs pGPU6 (-), P = 0.885;

^dP < 0.05 vs pGPU6 (-).