Rebif

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS).[5] It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli.[6] Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses.[7] Interferon beta has not been shown to slow the advance of disability.[8][9... [wikipedia]