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|1. (WO2017169978) METHOD FOR PRODUCING PURIFIED FELINE ERYTHROPOIETIN|
|Title:||METHOD FOR PRODUCING PURIFIED FELINE ERYTHROPOIETIN|
The purpose of the present invention is to provide an improved means for producing purified feline erythropoietin (fEPO). This method for producing purified fEPO includes: a pH adjustment step for adjusting the pH of a protein solution including fEPO to within a range of 4-7; and a purification step for bringing the protein solution, the pH of which was adjusted in the pH adjustment step, into contact with a carrier provided with cation exchange groups, adsorbing the fEPO, and then eluting the fEPO from the carrier.