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

Table 1 Down-regulation of MMP-2 mRNA expression detected by RT-PCR

Groups	Ratio of MMP-2 to GAPDH
Blank control	0.93 ± 0.02
pGPU6 (-)	0.91 ± 0.03
pGPU6-1	0.29 ± 0.02bd
pGPU6-2	0.33 ± 0.04bd
pGPU6-3	0.45 ± 0.03bd
pGPU6-4	0.88 ± 0.03ac

^aP > 0.05 vs blank control, P = 0.057;

^bP < 0.05 vs blank control;

^cP > 0.05 vs pGPU6 (-), P = 0.288;

^dP < 0.05 vs pGPU6 (-).