Figure 7

Zymogram of gelatin proteases secreted by MDA-MB-435S-F and its drug-selected variants in the presence or absence of EDTA, with BHK as a positive control for the secretion of pro-MMP2 (72 kDa), MMP-2 (66 kDa), pro-MMP-9 (92 kDa) and MMP9 (86 kDa).