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Helical Organization of Blood Coagulation Factor VIII on Lipid Nanotubes
Published on: June 3, 2014
Production of Recombinant Factor VIII in Human Cell Lines
Daianne Maciely Carvalho Fantacini1, Virgínia Picanço-Castro2,3
1Center for Cell-based Therapy CTC, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
Abstract:
Human cell lines can produce recombinant proteins much more similar to their natural counterpart, compared to other mammalian cell lines, reducing potential immunogenic reactions. Recombinant proteins produced in nonhuman cells can have in its structure glycan epitopes, such as Galα1,3-Gal (alpha-Gal) and N-glycolylneuraminic acid (Neu5Gc) residues, that are antigenic to humans and can potentially affect the efficacy of the recombinant product. Therefore, the production of recombinant factor VIII (rFVIII) in human cell lines is a new approach to avoid nonhuman glycosylation. Here, we describe a protocol to produce rFVIII in the human cell line SK-HEP, using a lentiviral vector to produce high quantities of the recombinant protein.
