AN IMPROVED PROCESS FOR PURIFICATION OF FUSION PROTEIN

The present invention relates to purification process of pharmacologically active cytotoxic T lymphocyte-associated 4-immunoglobulin (CTLA4-lg) fusion protein by using three column chromatography steps that provides purified form of the fusion protein, substantially free of misfolded species, charge...

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Bibliographische Detailangaben
Hauptverfasser:	Thakkar, Mayankkumar, Kumar, Anuj, Narayan, Om
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PEPTIDES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to purification process of pharmacologically active cytotoxic T lymphocyte-associated 4-immunoglobulin (CTLA4-lg) fusion protein by using three column chromatography steps that provides purified form of the fusion protein, substantially free of misfolded species, charge variants and aggregates. A method for purifying a fusion protein from a protein mixture comprising a fusion protein and high molecular weight (HMW) impurity.