Enhancement of Human Prolactin Synthesis by Sodium Butyrate Addition to Serum-Free CHO Cell Culture
Figure 8
Bioactivity of purified hPRL obtained from CHO cells treated or not with NaBu, determined via (a) Nb2 or (b) Ba/F3-LLP cell assays against the International Standard of Recombinant hPRL (WHO 97/714). Values are the mean of two independent determinations.