Figure 1From: Characterization of metalloprotease and serine protease activities in batch CHO cell cultures: control of human recombinant IFN-γ proteolysis by addition of iron citrateWestern blot analysis of excreted IFN-γ produced by CHO cells cultivated in various media; RPMI serum, BDM and RPMI serum supplemented with iron citrateBack to article page