Method for isolation of highly pure von willebrand factor

Details Method for isolation of highly pure von willebrand factor Method for isolation of highly pure von willebrand factor

1997-07-22

2000-08-15

Patterson, Jr., Charles L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Peptide containing doai

514 21, 530381, A61K 3817, C07K 14745

Patent

active

061036935

ABSTRACT:
The invention relates to a method for isolation of highly pure von Willebrand Factor in which recombinant von Willebrand Factor (rvWF) is chromatographically purified by anion exchange chromatography on an anion exchanger of the quaternary amino type in a buffer solution comprising buffer substances and optionally salt.
The buffer solutions are preferably free of stabilizers, amino acids and other additives. According to this method, highly pure recombinant vWF can be obtained, which is free from blood plasma proteins, especially free from Factor VIII, and is physiologically active.
Further, the invention relates to a pharmaceutical preparation that contains rvWF, which is comprised of multimers with a high structural integrity.

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