collagenase animal model 4 article 4 controlled study 4 female 4 nonhuman 4 Animal 2 Cell Adhesion 2 Collagen 2 Extracellular Matrix 2 Female 2 Gelatinases 2 Mice 2 Mice, Inbred BALB C 2 Microbial Collagenase 2 Necrosis 2 Neoplasm Invasiveness 2 Neoplasms, Experimental 2 Pepsin A 2 Protease Inhibitors 2 Support, Non-U.S. Gov't 2 adenosine triphosphatase (calcium) 2 animal cell 2 animal experiment 2 antibody 2 breast adenocarcinoma 2 buserelin 2 calcium 2 calcium cell level 2 calcium mobilization 2