C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/72, 195/1.32
C12P 21/02 (2006.01) C07K 1/113 (2006.01) C07K 14/61 (2006.01)
Patent
CA 1273592
ABSTRACT Monomeric, biologically active growth hormone is isolated from microbially-produced insoluble inclusion bodies by solubilizing and denaturing the growth hormone by extraction of the inclusion bodies into a guanidine salt solution such as guanidine hydrochloride and subsequently renaturing at least a portion of the growth hormone in the solution by replacing the guanidine salt solution with a denaturant-free buffer solution and removing precipitated impurities and growth hormone aggregates. The renatured growth hormone is then purified by ion-exchange chromatography.
538594
Hamilton Edwin J. Jr.
Taber Larry D.
Yang Ren-Der
International Minerals & Chemical Corporation
Osler Hoskin & Harcourt Llp
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