Rekombinant interferon alfa- 2b har vist antiproliferative effekter i undersøgelser under anvendelse af både animale og humane cellekultursystemer, såvel som humane tumor xentotransplantater på dyr.
Any or all of these activities may contribute to interferon's therapeutic effects.  162 Recombinant interferon alfa-2b has exhibited antiproliferative effects in studies employing both animal and human cell culture systems as well as human tumour xenografts in animals.