C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/12 (2006.01) C07K 14/755 (2006.01) C12N 5/00 (2006.01) C12N 5/10 (2006.01)
Patent
CA 2175628
Recombinant Factor VIII expression in a mammalian cell culture can be increased by including a novel liposome-like substance in the culture medium. The liposome-like substance comprises at least two (preferably at least three) different lipids in defined molar ratios. In a preferred embodiment, the addition of a liposome-like substance comprised of dioleoyl phosphatidylcholine, phosphatidylethanolamine, and phosphatidylserine in a molar ratio of 4:1 :1 to the culture medium of GS-MDR cells resulted in an increase in FVIII production by a factor greater than five.
Chan Sham-Yuen
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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