C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/78, 195/1.29
C12P 21/08 (2006.01) C07K 14/02 (2006.01) C07K 14/18 (2006.01) C12N 9/90 (2006.01) C12N 15/00 (2006.01) A61K 39/00 (2006.01)
Patent
CA 1276899
ABSTRACT OF THE DISCLOSURE There is disclosed a method for purifying a gene- expression product produced by recombinant DNA technigue which comprises a specific sequence of steps including adsorption treatment with silica gel, adsorption treat- ment with active carbon, at least twice density gradient centrifugation and at least twice equilibrium density gradient centrifugation. The method of the present in- vention is very effective to remove allergen from gene- expression products contaminated therewith, enabling highly purified gene-expression products to be produced on a large scale.
539861
Akiyama Toshiyuki
Goda Hideo
Konobe Takeo
Takaku Keisuke
Takamizawa Akihisa
Ridout & Maybee Llp
The Research Foundation For Microbial Diseases Of Osaka Universi
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