Abstract
Background Chinese hamster ovary (CHO) cells are the most widely used host for large scale production of recombinant therapeutic proteins. A combination of several gene editing approaches applied to Novartis proprietary CHO cell line resulted in a superior cell line with a significant increase of titer and improved product quality. Inter alia we have surprisingly identified a key protease responsible for proteolytic degradation of mainly non-antibody format therapeutic proteins. The recently published CHO genome in combination with screening methods and cell line engineering tools has enabled the development of this novel CHO cell line.
Highlights
Chinese hamster ovary (CHO) cells are the most widely used host for large scale production of recombinant therapeutic proteins
Inter alia we have surprisingly identified a key protease responsible for proteolytic degradation of mainly non-antibody format therapeutic proteins
The recently published CHO genome in combination with screening methods and cell line engineering tools has enabled the development of this novel CHO cell line
Summary
Chinese hamster ovary (CHO) cells are the most widely used host for large scale production of recombinant therapeutic proteins. A combination of several gene editing approaches applied to Novartis proprietary CHO cell line resulted in a superior cell line with a significant increase of titer and improved product quality. Inter alia we have surprisingly identified a key protease responsible for proteolytic degradation of mainly non-antibody format therapeutic proteins. The recently published CHO genome in combination with screening methods and cell line engineering tools has enabled the development of this novel CHO cell line
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