Fig. 2From: Screening and selection strategy for the establishment of biosimilar to trastuzumab-expressing CHO-K1 cell linesStrategies for obtaining trastuzumab-expressing CHO-K1 cells. MOI: multiplicity of infection. FBS: fetal bovine serum. CP-CHO-CB5-FBS: chemically defined, protein-free medium CP-CHO supplemented with 3 g/L of CB5 and 1% FBS. LC light chain, HC heavy chainBack to article page