期刊
BIOTECHNOLOGY PROGRESS
卷 32, 期 5, 页码 1103-1112出版社
WILEY
DOI: 10.1002/btpr.2327
关键词
cell culture; posttranslational modifications; recombinant monoclonal antibodies
Recombinant monoclonal antibodies are commonly expressed in mammalian cell culture and purified by several steps of filtration and chromatography. The resulting high purity bulk drug substance still contains product variants differing in properties such as charge and size. Posttranslational modifications and degradations occurring during cell culture are the major sources of heterogeneity in bulk drug substance of recombinant monoclonal antibodies. The focus of the current review is the impact of cell culture conditions on the types and levels of various modifications and degradations of recombinant monoclonal antibodies. Understanding the relationship between cell culture and product variants can help to make consistently safe and efficacious products. (c) 2016 American Institute of Chemical Engineers Biotechnol. Prog., 32:1103-1112, 2016
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