article 18 zymography 18 enzyme activity 14 priority journal 14 controlled study 12 Western blotting 10 Humans 8 human 8 human cell 8 nonhuman 8 unclassified drug 8 Animals 6 Bacillus subtilis 6 Cell Line, Tumor 6 Matrix Metalloproteinase 9 6 amino acid sequence 6 gelatinase B 6 Amino acid sequence 4 Bacilli 4 Bacteriology 4 C-terminal domains 4 Cell Movement 4 Cloning and expression 4 Enzymatic activities 4 Enzyme Inhibitors 4 Female 4 Functional verification 4 Hydrolase activities 4 Hydrolases 4 Lactobacillus acidophilus 4