Table 5. Verification of expression changes by droplet digital pcr quantitation.

Variables	PNN	MMP1	MMP9	MMP13	VEGFa
Control*	0.061	0.0098	0.0025	0.0068	0.0111
PNN knock down*	0.016	0.0316	0.0043	0.0272	0.0156
P value	0.0001	0.0014	0.0093	0.0008	0.0012
log2 Fold change	-1.93	1.69	0.78	2	0.49

*Data presented as relative to GAPDH