C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
530/13, 530/3.14
C12N 15/18 (2006.01) C07K 1/22 (2006.01) C07K 14/50 (2006.01) A61K 38/00 (2006.01)
Patent
CA 2005154
27580-42 TITLE: METHOD FOR PURIFYING FIBROBLAST GROWTH FACTOR PROTEIN ABSTRACT Disclosed is a method for purifying a fibroblast growth factor (FGF) protein with use of a crosslinked polysaccharide sulfate. The FGF protein is preferably a mutein, in which at least one human basic FGF-constituent amino acid is substituted by at least one different amino acid. The crosslinked polysaccharide sulfate is preferably a crosslinked cellulose sulfate, a crosslinked agarose sulfate or a crosslinked dextran sulfate. According to the present invention, FGF can be highly purified on a commercial scale, and pharmaceutical preparations containing the FGF protein can be advantageously formulated.
Kajio Tomoko
Kato Koichi
Kawahara Kenji
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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