COMPOSITIONS AND METHODS FOR DETECTING AND QUANTIFYING HOST CELL PROTEIN IN CELL LINES AND RECOMBINANT POLYPEPTIDE PRODUCTS

Monoclonal and polyclonal antibodies that bind hamster phospholipase B-like 2 are provided. Also provided are methods for detecting and quantifying hamster phospholipase B-like 2, for example, in recombinant polypeptide preparations, as well as kits for carrying out such methods. Methods of screenin...

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Main Authors ZHU-SHIMONI, JUDITH, VANDERLAAN, MARTIN, VIJ, RAJESH, YUK, INN H, HSIAO, YIUN, LIN, MARGARET S, KRAWITZ, DENISE C, GUNAWAN, FENY
Format Patent
LanguageEnglish
French
Published 19.03.2015
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Summary:Monoclonal and polyclonal antibodies that bind hamster phospholipase B-like 2 are provided. Also provided are methods for detecting and quantifying hamster phospholipase B-like 2, for example, in recombinant polypeptide preparations, as well as kits for carrying out such methods. Methods of screening or selecting host cell lines or recombinant polypeptide-expressing cell lines that express low levels of hamster phospholipase B-like 2 are also provided. L'invention concerne des anticorps monoclonaux et polyclonaux qui se lient à la phospholipase B-like 2 du hamster. L'invention concerne également des méthodes permettant de détecter et de quantifier la phospholipase B-like 2 du hamster, par exemple dans des préparations de polypeptides recombinés, ainsi que des kits permettant de mettre en œuvre lesdites méthodes. L'invention concerne par ailleurs des méthodes de criblage ou de sélection de lignées cellulaires hôtes ou de lignées cellulaires exprimant les polypeptides recombinés qui expriment des taux faibles de phospholipase B-like 2 du hamster.
Bibliography:Application Number: WO2014US55382