Fig. 5From: Expression of glycosylated human prolactin in HEK293 cells and related N-glycan composition analysisBioactivity determination of G-hPRL of different origins via the BaF/3-LLP in vitro bioassay: relative potencies have been determined by comparing the ED50 of the different curves and considering the nominal activity of 57.2 IU/mg for the International Standard of hPRL (WHO 97/714)Back to article page