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KMID : 1094720210260060993
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Biotechnology and Bioprocess Engineering
2021 Volume.26 No. 6 p.993 ~ p.1001
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Commercial-scale Economic Comparison of Different Batch Modes for Upstream and Downstream Processing of Monoclonal Antibody
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Cha Hyun-Myoung
Hwang Jeong-Min
Yeon Jung-Heum
Lim Jin-Hyuk
Han Hye-Jin
Kim Dong-Il
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Abstract
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Chinese hamster ovary (CHO) cell cultures are widely used due to their high productivity, industrial track record, safety record, and correct post-translational modifications. Fed-batch and perfusion modes have been mostly adopted as traditional commercial manufacturing process using CHO cells for the production of biopharmaceuticals. Thus, we compared fed-batch and perfusion culture processes for the commercial-scale production of monoclonal antibody. Main production process was performed after confirming the comparable culture performance in seed train of different operation modes, and then perfusion cultures showed 1.6-fold higher peak viable cell density (VCD) with a longer culture duration than that of fed-batch cultures. Also, as the result of main batches, total product amount increased over 450% in perfusion cultures. Importantly, perfusion process allowed to improve the higher purification yield while maintaining acceptable product quality, because the level of process impurity could be reduced by using retention device. When economic comparison of fed-batch versus perfusion processes was carried out under the equal scale of upstream and downstream, perfusion mode was more a cost-effective bioprocess that could reduce the cost of goods. In conclusion, although comparison data of triplicate commercial batches are of course specific case for a given antibody production, this study verified the possibility of using perfusion mode as an efficient system for commercial producing the desired antibody and is a meaningful report in the biopharmaceutical industry.
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KEYWORD
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ATF system, Chinese hamster ovary cell, fed-batch culture, monoclonal antibody, perfusion culture
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