AN IMPROVED PROCESS FOR PURIFICATION OF PROTEIN

The present invention relates to purification process of pharmacologically active IgG1 containing protein comprising at least affinity chromatography followed by mixed-mode chromatography. The present invention providescytotoxic T-lymphocyte-associated 4-immunoglobulin (CTLA4-Ig) fusion protein by u...

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Bibliographische Detailangaben
Hauptverfasser:	GUPTA, Tarun Kumar, THAKKAR, Mayankkumar, NARAYAN, Om, UPADHYAY, Roshan Ganeshlal
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY ORGANIC CHEMISTRY PEPTIDES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to purification process of pharmacologically active IgG1 containing protein comprising at least affinity chromatography followed by mixed-mode chromatography. The present invention providescytotoxic T-lymphocyte-associated 4-immunoglobulin (CTLA4-Ig) fusion protein by using at least affinity chromatography, mixed-mode chromatography and optionally one or more suitable purification steps that provides purified composition of the fusion protein, substantially free of impurities selected from Pre-Peak, product and process related impurities. Further, the present invention provides highly purified CTLA4-Ig fusion protein with reduced heterogeneity.