Abstract
Biopharmaceuticals represent the sector with the highest growth rate in global sales in the billion dollar pharmaceutical industry. Interferon beta (IFN-beta) is a polypeptide used as a biopharmaceutical in the treatment of multiple sclerosis, condyloma acuminata and rheumatoid arthritis. It is currently produced in Escherichia coli or CHO (Chinese Hamster Ovary cells), but other expressi…