1
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Chen J, Yu B, Cong H, Shen Y. Recent development and application of membrane chromatography. Anal Bioanal Chem 2023; 415:45-65. [PMID: 36131143 PMCID: PMC9491666 DOI: 10.1007/s00216-022-04325-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/29/2022] [Accepted: 09/05/2022] [Indexed: 01/11/2023]
Abstract
Membrane chromatography is mainly used for the separation and purification of proteins and biological macromolecules in the downstream processing process, also applications in sewage disposal. Membrane chromatography is recognized as an effective alternative to column chromatography because it significantly improves chromatography from affinity, hydrophobicity, and ion exchange; the development status of membrane chromatography in membrane matrix and membrane equipment is thoroughly discussed, and the applications of protein capture and intermediate purification, virus, monoclonal antibody purification, water treatment, and others are summarized. This review will provide value for the exploration and potential application of membrane chromatography.
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Affiliation(s)
- Jing Chen
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, 266071, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China.
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, 266071, China.
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bionanoengineering, and Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China
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2
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Islam T, Naik AD, Hashimoto Y, Menegatti S, Carbonell RG. Optimization of Sequence, Display, and Mode of Operation of IgG-Binding Peptide Ligands to Develop Robust, High-Capacity Affinity Adsorbents That Afford High IgG Product Quality. Int J Mol Sci 2019; 20:E161. [PMID: 30621158 PMCID: PMC6337475 DOI: 10.3390/ijms20010161] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 12/20/2018] [Accepted: 12/26/2018] [Indexed: 11/16/2022] Open
Abstract
This work presents the use of peptide ligand HWRGWV and its cognate sequences to develop affinity adsorbents that compete with Protein A in terms of binding capacity and quality of the eluted product. First, the peptide ligand was conjugated to crosslinked agarose resins (WorkBeads) at different densities and using different spacer arms. The optimization of ligand density and display resulted in values of static and dynamic binding capacity of 85 mg/mL and 65 mg/mL, respectively. A selected peptide-WorkBeads adsorbent was utilized for purifying Mabs from Chinese Hamster Ovary (CHO) cell culture supernatants. The peptide-WorkBeads adsorbent was found able to withstand sanitization with strong alkaline solutions (0.5 M NaOH). The purity of the eluted product was consistently higher than 95%, with logarithmic removal value (LRV) of 1.5 for host cell proteins (HCPs) and 4.0 for DNA. HCP clearance was significantly improved by adding a post-load washing step with either 0.1 M Tris HCl pH 9 or 1 M NaCl. The cognate peptide of HWRGWV, constructed by replacing arginine (R) with citrulline, further increased the HCP LRV to 2.15. The peptide-based adsorbent also showed a remarkable performance in terms of removal of Mab aggregates; unlike Protein A, in fact, HWRGWV was found to bind only monomeric IgG. Collectively, these results demonstrate the potential of peptide-based adsorbents as alternative to Protein A for the purification of therapeutic antibodies.
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Affiliation(s)
- Tuhidul Islam
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695-7905, USA.
- Biomanufacturing Training and Education Center (BTEC), North Carolina State University, Raleigh, NC 27695-7928, USA.
| | - Amith D Naik
- Biomanufacturing Training and Education Center (BTEC), North Carolina State University, Raleigh, NC 27695-7928, USA.
| | - Yasuhiro Hashimoto
- Department of Research and Development, Fuji Silysia Chemical LTD, Kasugai Aichi 487-0013, Japan.
| | - Stefano Menegatti
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695-7905, USA.
- Biomanufacturing Training and Education Center (BTEC), North Carolina State University, Raleigh, NC 27695-7928, USA.
| | - Ruben G Carbonell
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695-7905, USA.
- Biomanufacturing Training and Education Center (BTEC), North Carolina State University, Raleigh, NC 27695-7928, USA.
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3
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L Silva G, Plewka J, Lichtenegger H, Dias-Cabral AC, Jungbauer A, Tscheließnig R. The pearl necklace model in protein A chromatography: Molecular mechanisms at the resin interface. Biotechnol Bioeng 2018; 116:76-86. [PMID: 30252938 PMCID: PMC6587469 DOI: 10.1002/bit.26843] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/17/2018] [Accepted: 09/21/2018] [Indexed: 01/08/2023]
Abstract
Staphylococcal protein A chromatography is an established core technology for monoclonal antibody purification and capture in the downstream processing. MabSelect SuRe involves a tetrameric chain of a recombinant form of the B domain of staphylococcal protein A, called the Z-domain. Little is known about the stoichiometry, binding orientation, or preferred binding. We analyzed small-angle X-ray scattering data of the antibody-protein A complex immobilized in an industrial highly relevant chromatographic resin at different antibody concentrations. From scattering data, we computed the normalized radial density distributions. We designed three-dimensional (3D) models with protein data bank crystallographic structures of an IgG1 (the isoform of trastuzumab, used here; Protein Data Bank: 1HZH) and the staphylococcal protein A B domain (the native form of the recombinant structure contained in MabSelect SuRe resin; Protein Data Bank: 1BDD). We computed different binding conformations for different antibody to protein A stoichiometries (1:1, 2:1, and 3:1) and compared the normalized radial density distributions computed from 3D models with those obtained from the experimental data. In the linear range of the isotherm we favor a 1:1 ratio, with the antibody binding to the outer domains in the protein A chain at very low and high concentrations. In the saturation region, a 2:1 ratio is more likely to occur. A 3:1 stoichiometry is excluded because of steric effects.
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Affiliation(s)
- Goncalo L Silva
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.,Department of Chemistry, University of Beira Interior, Covilhã, Portugal.,Department of Biotechnology, Austrian Centre of Industrial Biotechnology, Vienna, Austria
| | - Jacek Plewka
- Department of Biotechnology, Austrian Centre of Industrial Biotechnology, Vienna, Austria.,Department of Material Science and Process Engineering, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Helga Lichtenegger
- Department of Biotechnology, Austrian Centre of Industrial Biotechnology, Vienna, Austria.,Department of Material Science and Process Engineering, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Ana C Dias-Cabral
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.,Department of Chemistry, University of Beira Interior, Covilhã, Portugal
| | - Alois Jungbauer
- Department of Biotechnology, Austrian Centre of Industrial Biotechnology, Vienna, Austria.,Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Rupert Tscheließnig
- Department of Biotechnology, Austrian Centre of Industrial Biotechnology, Vienna, Austria.,Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
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4
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Hu X, Li G, Lin Y. A novel high-capacity immunoadsorbent with PAMAM dendritic spacer arms by click chemistry. NEW J CHEM 2018. [DOI: 10.1039/c8nj02142b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel immunoadsorbent with polyamidoamine dendritic spacer arms was prepared. Click chemistry can improve the reaction selectivity between the ligands and the support matrix under mild reaction conditions. The designed and prepared immunoadsorbent exhibits excellent adsorption for IgG. The IgG adsorption capacity of Sep-G3-His is superior to those of Sep-triazole-His and protein A immunoadsorbents.
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Affiliation(s)
- Xiaoyan Hu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Guangji Li
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Yinlei Lin
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
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5
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Jeong EJ, Choi M, Lee J, Rhim T, Lee KY. The spacer arm length in cell-penetrating peptides influences chitosan/siRNA nanoparticle delivery for pulmonary inflammation treatment. NANOSCALE 2015; 7:20095-20104. [PMID: 26568525 DOI: 10.1039/c5nr06903c] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Although chitosan and its derivatives have been frequently utilized as delivery vehicles for small interfering RNA (siRNA), it is challenging to improve the gene silencing efficiency of chitosan-based nanoparticles. In this study, we hypothesized that controlling the spacer arm length between a cell-penetrating peptide (CPP) and a nanoparticle could be critical to enhancing the cellular uptake as well as the gene silencing efficiency of conventional chitosan/siRNA nanoparticles. A peptide consisting of nine arginine units (R9) was used as a CPP, and the spacer arm length was controlled by varying the number of glycine units between the peptide (R9Gn) and the nanoparticle (n = 0, 4, and 10). Various physicochemical characteristics of R9Gn-chitosan/siRNA nanoparticles were investigated in vitro. Increasing the spacing arm length did not significantly affect the complex formation between R9Gn-chitosan and siRNA. However, R9G10-chitosan was much more effective in delivering genes both in vitro and in vivo compared with non-modified chitosan (without the peptide) and R9-chitosan (without the spacer arm). Chitosan derivatives modified with oligoarginine containing a spacer arm can be considered as potential delivery vehicles for various genes.
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Affiliation(s)
- Eun Ju Jeong
- Department of Bioengineering, Hanyang University, Seoul 133-791, Republic of Korea.
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6
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Salvalaglio M, Paloni M, Guelat B, Morbidelli M, Cavallotti C. A two level hierarchical model of protein retention in ion exchange chromatography. J Chromatogr A 2015; 1411:50-62. [DOI: 10.1016/j.chroma.2015.07.101] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 07/23/2015] [Accepted: 07/27/2015] [Indexed: 10/23/2022]
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7
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Paloni M, Cavallotti C. Molecular modeling of the affinity chromatography of monoclonal antibodies. Methods Mol Biol 2015; 1286:321-335. [PMID: 25749965 DOI: 10.1007/978-1-4939-2447-9_25] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Molecular modeling is a methodology that offers the possibility of studying complex systems such as protein-ligand complexes from an atomistic point of view, making available information that can be difficultly obtained from experimental studies. Here, a protocol for the construction of molecular models of the interaction between antibodies and ligands that can be used for an affinity chromatography process is presented. The outlined methodology focuses mostly on the description of a procedure that may be adopted to determine the structure and free energy of interaction between the antibody and the affinity ligand. A procedure to extend the proposed methodology to include the effect of the environment (buffer solution, spacer, support matrix) is also briefly outlined.
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Affiliation(s)
- Matteo Paloni
- Department of Chimica Materiali e Ingegneria Chimica, G. Natta, Politecnico di Milano, via Mancinelli 7, Milano, 20131, Italy
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8
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Jadhav SN, Kumbhar AS, Mali SS, Hong CK, Salunkhe RS. A Merrifield resin supported Pd–NHC complex with a spacer(Pd–NHC@SP–PS) for the Sonogashira coupling reaction under copper- and solvent-free conditions. NEW J CHEM 2015. [DOI: 10.1039/c4nj02025a] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthetic applications of a polymer supported air-stable palladium NHC complex with a spacer (catalyst6, Pd–NHC@SP–PS) and without a spacer (catalyst7, Pd–NHC@PS) have been studied for the Sonogashira cross-coupling reaction.
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Affiliation(s)
| | | | - Sawanta S. Mali
- Polymer Energy Material Laboratory
- School of Applied Chemical Engineering
- Chonnam National University
- Gwangju
- South Korea
| | - Chang Kook Hong
- Polymer Energy Material Laboratory
- School of Applied Chemical Engineering
- Chonnam National University
- Gwangju
- South Korea
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9
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Combined docking, molecular dynamics simulations and spectroscopic studies for the rational design of a dipeptide ligand for affinity chromatography separation of human serum albumin. J Mol Model 2014; 20:2446. [DOI: 10.1007/s00894-014-2446-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 08/26/2014] [Indexed: 01/07/2023]
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10
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Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics simulations. Front Chem Sci Eng 2013. [DOI: 10.1007/s11705-013-1357-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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11
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Lin DQ, Tong HF, Wang HY, Shao S, Yao SJ. Molecular mechanism of hydrophobic charge-induction chromatography: Interactions between the immobilized 4-mercaptoethyl-pyridine ligand and IgG. J Chromatogr A 2012; 1260:143-53. [DOI: 10.1016/j.chroma.2012.08.080] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Revised: 07/27/2012] [Accepted: 08/21/2012] [Indexed: 10/27/2022]
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12
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Salvalaglio M, Cavallotti C. Molecular modeling to rationalize ligand-support interactions in affinity chromatography. J Sep Sci 2011; 35:7-19. [DOI: 10.1002/jssc.201100595] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2011] [Revised: 09/26/2011] [Accepted: 09/30/2011] [Indexed: 11/09/2022]
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13
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Static and dynamic binding capacities of human immunoglobulin G on polymethacrylate based mixed-modal, thiophilic and hydrophobic cation exchangers. J Chromatogr A 2011; 1218:8925-36. [DOI: 10.1016/j.chroma.2011.06.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2011] [Revised: 04/30/2011] [Accepted: 06/03/2011] [Indexed: 11/19/2022]
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14
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Boi C, Dimartino S, Hofer S, Horak J, Williams S, Sarti GC, Lindner W. Influence of different spacer arms on Mimetic Ligand™ A2P and B14 membranes for human IgG purification. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:1633-40. [DOI: 10.1016/j.jchromb.2011.03.059] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Accepted: 03/31/2011] [Indexed: 11/28/2022]
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15
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Horak J, Hofer S, Lindner W. Optimization of a ligand immobilization and azide group endcapping concept via “Click-Chemistry” for the preparation of adsorbents for antibody purification. J Chromatogr B Analyt Technol Biomed Life Sci 2010; 878:3382-94. [DOI: 10.1016/j.jchromb.2010.10.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2010] [Revised: 10/13/2010] [Accepted: 10/23/2010] [Indexed: 11/15/2022]
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16
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Lee JW, Park YJ, Lee SJ, Lee SK, Lee KY. The effect of spacer arm length of an adhesion ligand coupled to an alginate gel on the control of fibroblast phenotype. Biomaterials 2010; 31:5545-51. [DOI: 10.1016/j.biomaterials.2010.03.063] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Accepted: 03/25/2010] [Indexed: 02/07/2023]
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17
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Zamolo L, Salvalaglio M, Cavallotti C, Galarza B, Sadler C, Williams S, Hofer S, Horak J, Lindner W. Experimental and Theoretical Investigation of Effect of Spacer Arm and Support Matrix of Synthetic Affinity Chromatographic Materials for the Purification of Monoclonal Antibodies. J Phys Chem B 2010; 114:9367-80. [DOI: 10.1021/jp1017168] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Laura Zamolo
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Matteo Salvalaglio
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Carlo Cavallotti
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Benedict Galarza
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Chris Sadler
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Sharon Williams
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Stefan Hofer
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Jeannie Horak
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
| | - Wolfgang Lindner
- Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy, ProMetic BioSciences Ltd., 211 Cambridge Science Park, Milton Road, Cambridge CB4 0WA, United Kingdom, Department of Analytical Chemistry and Food Chemistry, University of Vienna, Waerhringer Strasse 38, 1090 Vienna, Austria
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18
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Zhang L, Sun Y. Molecular simulation of adsorption and its implications to protein chromatography: A review. Biochem Eng J 2010. [DOI: 10.1016/j.bej.2009.12.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Molecular modeling of Protein A affinity chromatography. J Chromatogr A 2009; 1216:8678-86. [DOI: 10.1016/j.chroma.2009.04.035] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2008] [Revised: 03/31/2009] [Accepted: 04/14/2009] [Indexed: 11/15/2022]
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20
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Gomez CG, Strumia MC. Study of amino ligands fixation to macroporous supports and their influence on albumin adsorption. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23717] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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21
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Boi C, Busini V, Salvalaglio M, Cavallotti C, Sarti GC. Understanding ligand-protein interactions in affinity membrane chromatography for antibody purification. J Chromatogr A 2009; 1216:8687-96. [PMID: 19535082 DOI: 10.1016/j.chroma.2009.05.045] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2008] [Revised: 03/18/2009] [Accepted: 05/05/2009] [Indexed: 10/20/2022]
Abstract
Affinity chromatography with Protein A beads has become the conventional unit operation for the primary capture of monoclonal antibodies. However, Protein A activated supports are expensive and ligand leakage is an issue to be considered. In addition, the limited production capabilities of the chromatographic process drive the research towards feasible alternatives. The use of synthetic ligands as Protein A substitutes has been considered in this work. Synthetic ligands, that mimic the interaction between Protein A and the constant fragment (Fc) of immunoglobulins, have been immobilized on cellulosic membrane supports. The resulting affinity membranes have been experimentally characterized with pure immunoglobulin G (IgG). The effects of the membrane support and of the spacer arm on the ligand-ligate interaction have been studied in detail. Experimental data have been compared with molecular dynamic simulations with the aim of better understanding the interaction mechanisms. Molecular dynamic simulations were performed in explicit water, modelling the membrane as a matrix of overlapped glucopyranose units. Electrostatic charges of the ligand and spacer were calculated through ab initio methods to complete the force field used to model the membrane. The simulations enabled to elucidate how the interactions of surface, spacer and ligand with IgG, contribute to the formation of the bond between protein and affinity membrane.
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Affiliation(s)
- Cristiana Boi
- Dipartimento di Ingegneria Chimica, Mineraria e delle Tecnologie Ambientali, Università di Bologna, via Terracini 28, 40131 Bologna, Italy.
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22
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Riccardi E, Wang JC, Liapis AI. Rational Surface Design for Molecular Dynamics Simulations of Porous Polymer Adsorbent Media. J Phys Chem B 2008; 112:7478-88. [PMID: 18517244 DOI: 10.1021/jp800078v] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- E. Riccardi
- Department of Chemical and Biological Engineering, Missouri University of Science and Technology, 400 West 11th Street, Rolla, Missouri 65409-1230
| | - J.-C. Wang
- Department of Chemical and Biological Engineering, Missouri University of Science and Technology, 400 West 11th Street, Rolla, Missouri 65409-1230
| | - A. I. Liapis
- Department of Chemical and Biological Engineering, Missouri University of Science and Technology, 400 West 11th Street, Rolla, Missouri 65409-1230
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