Purification of monoclonal antibodies from clarified cell culture fluid using Protein A capture continuous countercurrent tangential chromatography

被引:33
作者
Dutta, Amit K. [1 ,4 ]
Tran, Travis [1 ]
Napadensky, Boris [1 ]
Teella, Achyuta [1 ]
Brookhart, Gary [2 ]
Ropp, Philip A. [2 ]
Zhang, Ada W. [3 ]
Tustian, Andrew D. [3 ]
Zydney, Andrew L. [4 ]
Shinkazh, Oleg [1 ]
机构
[1] Chromatan Corp, State Coll, PA 16803 USA
[2] Fujifilm Diosynth Biotechnol, Morrisville, NC 27560 USA
[3] Regeneron Pharmaceut Inc, Tarrytown, NY 10591 USA
[4] Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA
关键词
Continuous; Chromatography; Monoclonal antibody; Protein A; SEPARATION; DESIGN; MODEL;
D O I
10.1016/j.jbiotec.2015.02.026
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Recent studies using simple model systems have demonstrated that continuous countercurrent tangential chromatography (CCTC) has the potential to overcome many of the limitations of conventional Protein A chromatography using packed columns. The objective of this work was to optimize and implement a CCTC system for monoclonal antibody purification from clarified Chinese Hamster Ovary (CHO) cell culture fluid using a commercial Protein A resin. Several improvements were introduced to the previous CCTC system including the use of retentate pumps to maintain stable resin concentrations in the flowing slurry, the elimination of a slurry holding tank to improve productivity, and the introduction of an "after binder" to the binding step to increase antibody recovery. A kinetic binding model was developed to estimate the required residence times in the multi-stage binding step to optimize yield and productivity. Data were obtained by purifying two commercial antibodies from two different manufactures, one with low titer (similar to 0.67 g/L) and one with high titer (similar to 6.9 g/L), demonstrating the versatility of the CCTC system. Host cell protein removal, antibody yields and purities were similar to those obtained with conventional column chromatography; however, the CCTC system showed much higher productivity. These results clearly demonstrate the capabilities of continuous countercurrent tangential chromatography for the commercial purification of monoclonal antibody products. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:54 / 64
页数:11
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