Role of MMP-9 and NF-κB expression by Xuemaitong capsule preconditioning on rats of acute myocardial ischemia Effects of Shenbao recipe on expressions of CTGF and MMP-9 in diabetic nephropathy rats Inhibition of extract from scorpion venom on experimental metastasis of Lewis and DU-145 tumor cells Inhibition of extract from scorpion venom on experimental metastasis of Lewis and DU-145 tumor cells Effect of spearmint oil on lipopolysaccharide induced emphysema-like changes and expression of matrix metalloproteinase-9