3.4.21.109 matriptase 184A1N4 cell - 683494, 755095 3.4.21.109 matriptase 184A1N4 cell mammary epithelial cell line 683047 3.4.21.109 matriptase 184A1N4 cell nontumorigenic mammary epithelial cells 651092 3.4.21.109 matriptase 184A1N4 cell proportional increases or decreases in matripase and hepatocyte growth factor activator inhibitor-1 671215