Improvements to wash solutions for anion exchange chromatography in a method of purification of recombinantly-produced RSV proteins

The invention relates to a purification method of an RSV protein, wherein a load solution comprising the RSV protein is contacted with an anion exchange chromatography medium, whereby the RSV protein binds to the anion exchange chromatography medium, the anion exchange chromatography medium is washe...

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Hauptverfasser: PADDOCK, Jill Ann, SALM, Jeffrey Richard, PETTAWAY, Alexandra
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a purification method of an RSV protein, wherein a load solution comprising the RSV protein is contacted with an anion exchange chromatography medium, whereby the RSV protein binds to the anion exchange chromatography medium, the anion exchange chromatography medium is washed with at least one wash solution and the RSV protein is eluted from the anion exchange chromatography medium.According to the invention, the wash solution has a pH between 3.0 and 6.5, whereby the removal of host cell proteins is enhanced.The invention is also directed to a pharmaceutical product including an RSV protein purified by such a method.