The Effect of Calf Serum on Human Lymphoblastoid Cell-Derived Interferon Production

Abstract
Substitution of low-cost calf serum for fetal bovine serum was evaluated in Namalva cell production of human alpha-lymphoblastoid interferon [HuIFN-α(Ly)] in 50-liter fermentors. Namalva cell growth and IFN yields were greatly reduced and protein precipitate weight increased from calf serum-supplemented cell cultures. The overall reduction in IFN production was greater than threefold, making the substitution impractical.

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