1
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da Costa Rodrigues T, Zorzete P, Miyaji EN, Gonçalves VM. Novel method for production and purification of untagged pneumococcal surface protein A from clade 1. Appl Microbiol Biotechnol 2024; 108:281. [PMID: 38570417 PMCID: PMC10990985 DOI: 10.1007/s00253-024-13098-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/19/2024] [Accepted: 02/28/2024] [Indexed: 04/05/2024]
Abstract
Streptococcus pneumoniae can cause diseases with high mortality and morbidity. The licensed vaccines are based on capsular polysaccharides and induce antibodies with low cross reactivity, leading to restricted coverage of serotypes. For surpassing this limitation, new pneumococcal vaccines are needed for induction of broader protection. One important candidate is the pneumococcal surface protein A (PspA), which can be classified in 6 clades and 3 families. We have reported an efficient process for production and purification of untagged recombinant PspA from clade 4 (PspA4Pro). We now aim to obtain a highly pure recombinant PspA from clade 1 (PspA1) to be included, together with PspA4Pro, in a vaccine formulation to broaden response against pneumococci. The vector pET28a-pspA1 was constructed and used to transform Escherichia coli BL21(DE3) strain. One clone with high production of PspA1 was selected and adapted to high-density fermentation (HDF) medium. After biomass production in 6 L HDF using a bioreactor, the purification was defined after testing 3 protocols. During the batch bioreactor cultivation, plasmid stability remained above 90% and acetate formation was not detected. The final protein purification process included treatment with a cationic detergent after lysis, anion exchange chromatography, cryoprecipitation, cation exchange chromatography, and multimodal chromatography. The final purification process showed PspA1 purity of 93% with low endotoxin content and an overall recovery above 20%. The novel established process can be easily scaled-up and proved to be efficient to obtain a highly pure untagged PspA1 for inclusion in vaccine formulations. KEY POINTS: • Purification strategy for recombinant PspA1 from Streptococcus pneumoniae • Downstream processing for untagged protein antigens, the case of PspA1 • Purification strategy for PspA variants relies on buried amino acids in their sequences.
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Affiliation(s)
- Tasson da Costa Rodrigues
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, São Paulo, Brazil
- Programa de Pós-Graduação Interunidades Em Biotecnologia, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Patricia Zorzete
- Laboratório de Desenvolvimento de Vacinas, Instituto Butantan, São Paulo, São Paulo, Brazil
| | - Eliane Namie Miyaji
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, São Paulo, Brazil
- Programa de Pós-Graduação Interunidades Em Biotecnologia, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Viviane Maimoni Gonçalves
- Programa de Pós-Graduação Interunidades Em Biotecnologia, Universidade de São Paulo, São Paulo, São Paulo, Brazil.
- Laboratório de Desenvolvimento de Vacinas, Instituto Butantan, São Paulo, São Paulo, Brazil.
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2
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Che Hussian CHA, Leong WY. Factors affecting therapeutic protein purity and yield during chromatographic purification. Prep Biochem Biotechnol 2024; 54:150-158. [PMID: 37233514 DOI: 10.1080/10826068.2023.2217507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Therapeutic proteins are recombinant proteins generated through recombinant DNA technology and have attracted a great deal of interest in numerous applications, including pharmaceutical, cosmetic, human and animal health, agriculture, food, and bioremediation. Producing therapeutic proteins on a large scale, mainly in the pharmaceutical industry, necessitates a cost-effective, straightforward, and adequate manufacturing process. In industry, a protein separation technique based mainly on protein characteristics and modes of chromatography will be applied to optimize the purification process. Typically, the downstream process of biopharmaceutical operations may involve multiple chromatography phases that require the use of large columns pre-packed with resins that must be inspected before use. Approximately 20% of the proteins are assumed to be lost at each purification stage during the production of biotherapeutic products. Hence, to produce a high quality product, particularly in the pharmaceutical industry, the correct approach and understanding of the factors influencing purity and yield during purification are necessary.
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Affiliation(s)
| | - Wai Yie Leong
- INTI International University & Colleges, Nilai, Negeri Sembilan, Malaysia
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3
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Hess R, Faessler J, Yun D, Saleh D, Grosch JH, Schwab T, Hubbuch J. Antibody sequence-based prediction of pH gradient elution in multimodal chromatography. J Chromatogr A 2023; 1711:464437. [PMID: 37865026 DOI: 10.1016/j.chroma.2023.464437] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/03/2023] [Accepted: 10/05/2023] [Indexed: 10/23/2023]
Abstract
Multimodal chromatography has emerged as a promising technique for antibody purification, owing to its capacity to selectively capture and separate target molecules. However, the optimization of chromatography parameters remains a challenge due to the intricate nature of protein-ligand interactions. To tackle this issue, efficient predictive tools are essential for the development and optimization of multimodal chromatography processes. In this study, we introduce a methodology that predicts the elution behavior of antibodies in multimodal chromatography based on their amino acid sequences. We analyzed a total of 64 full-length antibodies, including IgG1, IgG4, and IgG-like multispecific formats, which were eluted using linear pH gradients from pH 9.0 to 4.0 on the anionic mixed-mode resin Capto adhere. Homology models were constructed, and 1312 antibody-specific physicochemical descriptors were calculated for each molecule. Our analysis identified six key structural features of the multimodal antibody interaction, which were correlated with the elution behavior, emphasizing the antibody variable region. The results show that our methodology can predict pH gradient elution for a diverse range of antibodies and antibody formats, with a test set R² of 0.898. The developed model can inform process development by predicting initial conditions for multimodal elution, thereby reducing trial and error during process optimization. Furthermore, the model holds the potential to enable an in silico manufacturability assessment by screening target antibodies that adhere to standardized purification conditions. In conclusion, this study highlights the feasibility of using structure-based prediction to enhance antibody purification in the biopharmaceutical industry. This approach can lead to more efficient and cost-effective process development while increasing process understanding.
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Affiliation(s)
- Rudger Hess
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany; DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Jan Faessler
- DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Doil Yun
- DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - David Saleh
- DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Jan-Hendrik Grosch
- DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Thomas Schwab
- DSP Development, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Jürgen Hubbuch
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.
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4
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Winter DL, Lebhar H, McCluskey JB, Glover DJ. A versatile multimodal chromatography strategy to rapidly purify protein nanostructures assembled in cell lysates. J Nanobiotechnology 2023; 21:66. [PMID: 36829140 PMCID: PMC9960191 DOI: 10.1186/s12951-023-01817-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 02/14/2023] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND Protein nanostructures produced through the self-assembly of individual subunits are attractive scaffolds to attach and position functional molecules for applications in biomaterials, metabolic engineering, tissue engineering, and a plethora of nanomaterials. However, the assembly of multicomponent protein nanomaterials is generally a laborious process that requires each protein component to be separately expressed and purified prior to assembly. Moreover, excess components not incorporated into the final assembly must be removed from the solution and thereby necessitate additional processing steps. RESULTS We developed an efficient approach to purify functionalized protein nanostructures directly from bacterial lysates through a type of multimodal chromatography (MMC) that combines size-exclusion, hydrophilic interaction, and ion exchange to separate recombinant protein assemblies from excess free subunits and bacterial proteins. We employed the ultrastable filamentous protein gamma-prefoldin as a material scaffold that can be functionalized with a variety of protein domains through SpyTag/SpyCatcher conjugation chemistry. The purification of recombinant gamma-prefoldin filaments from bacterial lysates using MMC was tested across a wide range of salt concentrations and pH, demonstrating that the MMC resin is robust, however the optimal choice of salt species, salt concentration, and pH is likely dependent on the protein nanostructure to be purified. In addition, we show that pre-processing of the samples with tangential flow filtration to remove nucleotides and metabolites improves resin capacity, and that post-processing with Triton X-114 phase partitioning is useful to remove lipids and any remaining lipid-associated protein. Subsequently, functionalized protein filaments were purified from bacterial lysates using MMC and shown to be free of unincorporated subunits. The assembly and purification of protein filaments with varying amounts of functionalization was confirmed using polyacrylamide gel electrophoresis, Förster resonance energy transfer, and transmission electron microscopy. Finally, we compared our MMC workflow to anion exchange chromatography with the purification of encapsulin nanocompartments containing a fluorescent protein as a cargo, demonstrating the versatility of the protocol and that the purity of the assembly is comparable to more traditional procedures. CONCLUSIONS We envision that the use of MMC will increase the throughput of protein nanostructure prototyping as well as enable the upscaling of the bioproduction of protein nanodevices.
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Affiliation(s)
- Daniel L. Winter
- grid.1005.40000 0004 4902 0432School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - Hélène Lebhar
- grid.1005.40000 0004 4902 0432Recombinant Products Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia
| | - Joshua B. McCluskey
- grid.1005.40000 0004 4902 0432School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - Dominic J. Glover
- grid.1005.40000 0004 4902 0432School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
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5
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Muca R, Antos D. Protein association on multimodal chromatography media. J Chromatogr A 2023; 1691:463827. [PMID: 36731331 DOI: 10.1016/j.chroma.2023.463827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
The phenomenon of protein-protein association on multimodal chromatography resins was described for two different case study examples. The adsorption pattern of single-component solutions of calcium-rich alpha-lactalbumin (aLaCa) and calcium-depleted alpha-lactalbumin (aLa) and their mixtures with bovine serum albumin was determined on a multimodal anion-exchange chromatography medium. In single-component solutions, both aLaCa and aLa exhibited identical adsorption behavior at low resin loadings, whereas at high loadings the adsorption strength of aLa markedly exceeded that of alaCa. In binary mixtures, the adsorption of BSA enhanced at high concentrations of aLa or aLaCa in the adsorbed phase. The unusual adsorption patterns observed were attributed to the tendency of the proteins for molecular association in the adsorbed phase in single and binary solutions. The phenomena was examined for different pH of the solution: pH 6, 7, 8, and different solvent environments: phosphate buffer (PB), bis tris buffer (BT), 100 mM NaCl in BT and bis tris propane buffer (BTP). The strongest effect was observed for PB and for 100 mM NaCl in BT. Its occurrence was also evidenced for other case study example, i.e., adsorption of single-component solutions and binary mixtures of a monoclonal antibody (mAb) and lysozyme (LYZ) on a multimodal cation-exchange chromatography medium. The enhancement of adsorption of mAb was observed at high concentrations of LYZ in the adsorbed phase. To quantify the underlying effects, a mechanistic model was used, which accounted for both protein association and exclusion resulting from attractive and repulsive protein-protein iterations in the adsorbed phase.
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Affiliation(s)
- Renata Muca
- Department of Chemical and Process Engineering, Rzeszów University of Technology, Powstańców Warszawy Ave. 6, Rzeszów 35-959, Poland
| | - Dorota Antos
- Department of Chemical and Process Engineering, Rzeszów University of Technology, Powstańców Warszawy Ave. 6, Rzeszów 35-959, Poland.
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6
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Improved antibody adsorption performance of phenyl-based mixed-mode adsorbents by adjusting the functional group of ligand. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Kreusser J, Jirasek F, Hasse H. Influence of pH value and salts on the adsorption of lysozyme in mixed-mode chromatography. Eng Life Sci 2021; 21:753-768. [PMID: 34764827 PMCID: PMC8576077 DOI: 10.1002/elsc.202100058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/22/2021] [Accepted: 07/22/2021] [Indexed: 11/22/2022] Open
Abstract
Mixed-mode chromatography (MMC) is an interesting technique for challenging protein separation processes which typically combines adsorption mechanisms of ion exchange (IEC) and hydrophobic interaction chromatography (HIC). Adsorption equilibria in MMC depend on multiple parameters but systematic studies on their influence are scarce. In the present work, the influence of the pH value and ionic strengths up to 3000 mM of four technically relevant salts (sodium chloride, sodium sulfate, ammonium chloride, and ammonium sulfate) on the lysozyme adsorption on the mixed-mode resin Toyopearl MX-Trp-650M was studied systematically at 25℃. Equilibrium adsorption isotherms at pH 5.0 and 6.0 were measured and compared to experimental data at pH 7.0 from previous work. For all pH values, an exponential decay of the lysozyme loading with increasing ionic strength was observed. The influence of the pH value was found to depend significantly on the ionic strength with the strongest influence at low ionic strengths where increasing pH values lead to decreasing lysozyme loadings. Furthermore, a mathematical model that describes the influence of salts and the pH value on the adsorption of lysozyme in MMC is presented. The model enables predicting adsorption isotherms of lysozyme on Toyopearl MX-Trp-650M for a broad range of technically relevant conditions.
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Affiliation(s)
- Jannette Kreusser
- Laboratory of Engineering Thermodynamics (LTD)TU KaiserslauternKaiserslauternGermany
| | - Fabian Jirasek
- Laboratory of Engineering Thermodynamics (LTD)TU KaiserslauternKaiserslauternGermany
| | - Hans Hasse
- Laboratory of Engineering Thermodynamics (LTD)TU KaiserslauternKaiserslauternGermany
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8
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Abstract
Mixed-mode chromatography (MMC), which combines features of ion exchange chromatography (IEC) and hydrophobic interaction chromatography (HIC), is an interesting method for protein separation and purification. The design of MMC processes is challenging as adsorption equilibria are influenced by many parameters, including ionic strength and the presence of different salts in solution. Systematic studies on the influence of those parameters in MMC are rare. Therefore, in the present work, the influence of four salts, namely, sodium chloride, sodium sulfate, ammonium chloride, and ammonium sulfate, on the adsorption of lysozyme on the mixed-mode resin Toyopearl MX-Trp-650M at pH 7.0 and 25°C was studied systematically in equilibrium adsorption experiments for ionic strengths between 0 mM and 3000 mM. For all salts, a noticeable adsorption strength was observed over the entire range of studied ionic strengths. An exponential decay of the loading of the resin with increasing ionic strength was found until approx. 1000 mM. For higher ionic strengths, the loading was found to be practically independent of the ionic strength. At constant ionic strength, the highest lysozyme loadings were observed for ammonium sulfate, the lowest for sodium chloride. A mathematical model was developed that correctly describes the influence of the ionic strength as well as the influence of the studied salts. The model is the first that enables the prediction of adsorption isotherms of proteins on mixed-mode resins in a wide range of technically interesting conditions, accounting for the influence of the ionic strength and four salts of practical relevance.
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9
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A thermodynamic evaluation of antibody-surface interactions in multimodal cation exchange chromatography. J Chromatogr A 2020; 1628:461479. [DOI: 10.1016/j.chroma.2020.461479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 11/20/2022]
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10
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Novel peptide ligands for antibody purification provide superior clearance of host cell protein impurities. J Chromatogr A 2020; 1625:461237. [DOI: 10.1016/j.chroma.2020.461237] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 05/10/2020] [Accepted: 05/12/2020] [Indexed: 11/19/2022]
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11
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Robinson J, Roush D, Cramer SM. The effect of pH on antibody retention in multimodal cation exchange chromatographic systems. J Chromatogr A 2020; 1617:460838. [DOI: 10.1016/j.chroma.2019.460838] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 12/16/2019] [Accepted: 12/30/2019] [Indexed: 11/25/2022]
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12
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Chromatographic assay to probe the binding energy and mechanisms of homologous proteins to surface-bound ligands. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1136:121927. [DOI: 10.1016/j.jchromb.2019.121927] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/08/2019] [Accepted: 12/03/2019] [Indexed: 01/01/2023]
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13
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Santarelli X, Cabanne C. Mixed Mode Chromatography: A Novel Way Toward New Selectivity. Curr Protein Pept Sci 2018; 20:14-21. [DOI: 10.2174/1389203718666171024121137] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/01/2017] [Accepted: 09/10/2017] [Indexed: 11/22/2022]
Abstract
Mixed mode chromatography offers a diversity of ligands, each providing a new selectivity.
This allows the design of novel purification processes with reduced column steps. Structure of ligands is
based on both hydrophobic and ionic groups. Thanks to its salt tolerance, crude extracts or post-IEX
samples can be loaded directly without conditioning. The selectivity could be enhanced by modulating
elution parameters or by using additives. More importantly, mixed mode chromatography could be as
effective as affinity chromatography for mAb purification processes. Mixed mode chromatography
opens the way to short and economical processes.
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14
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Halan V, Maity S, Bhambure R, Rathore AS. Multimodal Chromatography for Purification of Biotherapeutics – A Review. Curr Protein Pept Sci 2018; 20:4-13. [DOI: 10.2174/1389203718666171020103559] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/01/2017] [Accepted: 09/22/2017] [Indexed: 12/11/2022]
Abstract
Process chromatography forms the core of purification of biotherapeutics. The unparalleled
selectivity that it offers over other alternatives combined with the considerable robustness and scalability
make it the unit operation of choice in downstream processing. It is typical to have three to five chromatography
steps in a purification process for a biotherapeutic. Generally, these steps offer different modes
of separation such as ion-exchange, reversed phase, size exclusion, and hydrophobic interaction. In the
past decade, multimodal chromatography has emerged as an alternative to the traditional modes. It involves
use of more than one mode of separation and typically combines ion-exchange and hydrophobic
interactions to achieve selectivity and sensitivity. Over the last decade, numerous authors have demonstrated
the significant potential that multimode chromatography offers as a protein purification tool. This
review aims to present key recent developments that have occurred on this topic together with a perspective
on future applications of multimodal chromatography.
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Affiliation(s)
- Vivek Halan
- Zumutor Biologics Private Limited, Yeshwanthpur, Bangalore, India
| | - Sunit Maity
- Zumutor Biologics Private Limited, Yeshwanthpur, Bangalore, India
| | | | - Anurag S. Rathore
- Department of Chemical Engineering, Indian Institute of Technology, Hauz Khas, New Delhi, India
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15
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Domain contributions to antibody retention in multimodal chromatography systems. J Chromatogr A 2018; 1563:89-98. [DOI: 10.1016/j.chroma.2018.05.058] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 04/16/2018] [Accepted: 05/27/2018] [Indexed: 11/17/2022]
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16
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Creasy A, Reck J, Pabst T, Hunter A, Barker G, Carta G. Systematic Interpolation Method Predicts Antibody Monomer-Dimer Separation by Gradient Elution Chromatography at High Protein Loads. Biotechnol J 2018; 14:e1800132. [DOI: 10.1002/biot.201800132] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/21/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Arch Creasy
- Department of Chemical Engineering; University of Virginia; 102 Engineers’ Way Charlottesville Virginia 22904 USA
| | - Jason Reck
- Department of Chemical Engineering; University of Virginia; 102 Engineers’ Way Charlottesville Virginia 22904 USA
| | | | | | - Gregory Barker
- Biologics Process Development; Bristol-Myers Squibb; Hopewell New Jersey USA
| | - Giorgio Carta
- Department of Chemical Engineering; University of Virginia; 102 Engineers’ Way Charlottesville Virginia 22904 USA
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17
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Lee YF, Kluters S, Hillmann M, von Hirschheydt T, Frech C. Modeling of bispecific antibody elution in mixed-mode cation-exchange chromatography. J Sep Sci 2017; 40:3632-3645. [DOI: 10.1002/jssc.201700313] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/04/2017] [Accepted: 07/09/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Yi Feng Lee
- Institute of Biochemistry; University of Applied Sciences Mannheim; Mannheim Germany
| | - Simon Kluters
- Institute of Biochemistry; University of Applied Sciences Mannheim; Mannheim Germany
| | - Mirjam Hillmann
- Institute of Biochemistry; University of Applied Sciences Mannheim; Mannheim Germany
| | - Thomas von Hirschheydt
- Roche Pharma Research and Early Development; Roche Innovation Center Munich; Penzberg Germany
| | - Christian Frech
- Institute of Biochemistry; University of Applied Sciences Mannheim; Mannheim Germany
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18
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O’Connor E, Aspelund M, Bartnik F, Berge M, Coughlin K, Kambarami M, Spencer D, Yan H, Wang W. Monoclonal antibody fragment removal mediated by mixed mode resins. J Chromatogr A 2017; 1499:65-77. [DOI: 10.1016/j.chroma.2017.03.063] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/21/2017] [Accepted: 03/23/2017] [Indexed: 10/19/2022]
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19
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Parimal S, Garde S, Cramer SM. Effect of guanidine and arginine on protein–ligand interactions in multimodal cation‐exchange chromatography. Biotechnol Prog 2017; 33:435-447. [DOI: 10.1002/btpr.2419] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 11/30/2016] [Indexed: 01/24/2023]
Affiliation(s)
- Siddharth Parimal
- Howard P. Isermann Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary StudiesRensselaer Polytechnic Institute110 8th StreetTroy NY12180
| | - Shekhar Garde
- Howard P. Isermann Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary StudiesRensselaer Polytechnic Institute110 8th StreetTroy NY12180
| | - Steven M. Cramer
- Howard P. Isermann Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary StudiesRensselaer Polytechnic Institute110 8th StreetTroy NY12180
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20
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Creasy A, Barker G, Carta G. Systematic interpolation method predicts protein chromatographic elution with salt gradients, pH gradients and combined salt/pH gradients. Biotechnol J 2017; 12. [DOI: 10.1002/biot.201600636] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 12/12/2016] [Accepted: 12/15/2016] [Indexed: 01/30/2023]
Affiliation(s)
- Arch Creasy
- Department of Chemical Engineering; University of Virginia; Charlottesville VA USA
| | - Gregory Barker
- Biologics Process Development; Bristol-Myers Squibb; Hopewell NJ USA
| | - Giorgio Carta
- Department of Chemical Engineering; University of Virginia; Charlottesville VA USA
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21
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Hoshino Y, Miyoshi T, Nakamoto M, Miura Y. Wide-range pKa tuning of proton imprinted nanoparticles for reversible protonation of target molecules via thermal stimuli. J Mater Chem B 2017; 5:9204-9210. [DOI: 10.1039/c7tb02107k] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
pKa tuning of Brønsted acids in synthetic nano-materials is of great importance for the design of ion exchange and bio-/molecular-separation media and polymer catalysis.
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Affiliation(s)
- Yu Hoshino
- Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, Motooka, Nishi-ku
- Fukuoka 819-0395
- Japan
| | - Takaaki Miyoshi
- Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, Motooka, Nishi-ku
- Fukuoka 819-0395
- Japan
| | - Masahiko Nakamoto
- Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, Motooka, Nishi-ku
- Fukuoka 819-0395
- Japan
| | - Yoshiko Miura
- Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, Motooka, Nishi-ku
- Fukuoka 819-0395
- Japan
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22
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Multiple, simultaneous, independent gradients for a versatile multidimensional liquid chromatography. Part II: Application 1 - Large increases in isoform resolution of human transferrin by use of dual simultaneous independent gradients of pH & acetonitrile on a mixed bed (anion exchange plus reversed phase) stationary phase. J Chromatogr A 2016; 1468:173-182. [DOI: 10.1016/j.chroma.2016.09.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 09/20/2016] [Accepted: 09/21/2016] [Indexed: 11/19/2022]
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23
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Liu Z, Wickramasinghe SR, Qian X. Membrane chromatography for protein purifications from ligand design to functionalization. SEP SCI TECHNOL 2016. [DOI: 10.1080/01496395.2016.1223133] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Zizhao Liu
- Department of Chemical Engineering, University of Arkansas, Fayetteville, Arkansas, USA
| | | | - Xianghong Qian
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, Arkansas, USA
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24
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Levy NE, Valente KN, Lee KH, Lenhoff AM. Host cell protein impurities in chromatographic polishing steps for monoclonal antibody purification. Biotechnol Bioeng 2015; 113:1260-72. [DOI: 10.1002/bit.25882] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 10/19/2015] [Accepted: 11/05/2015] [Indexed: 12/24/2022]
Affiliation(s)
- Nicholas E. Levy
- Department of Chemical and Biomolecular EngineeringUniversity of DelawareNewarkDelaware19716
| | - Kristin N. Valente
- Department of Chemical and Biomolecular EngineeringUniversity of DelawareNewarkDelaware19716
- Delaware Biotechnology InstituteNewarkDelaware19711
| | - Kelvin H. Lee
- Department of Chemical and Biomolecular EngineeringUniversity of DelawareNewarkDelaware19716
- Delaware Biotechnology InstituteNewarkDelaware19711
| | - Abraham M. Lenhoff
- Department of Chemical and Biomolecular EngineeringUniversity of DelawareNewarkDelaware19716
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25
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26
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Welsh JP, Bao H, Barlow K, Pollard JM, Brekkan E, Lacki KM, Linden TO, Roush DJ. High-throughput techniques to evaluate the effect of ligand density for impurity separations with multimodal cation exchange resins. Eng Life Sci 2015. [DOI: 10.1002/elsc.201400251] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- John P. Welsh
- Process Development and Engineering; Merck & Co., Inc; Kenilworth NJ USA
| | - Haiying Bao
- Process Development and Engineering; Merck & Co., Inc; Kenilworth NJ USA
| | - Kenneth Barlow
- Process Development and Engineering; Merck & Co., Inc; Kenilworth NJ USA
| | | | | | | | - Thomas O. Linden
- Process Development and Engineering; Merck & Co., Inc; Kenilworth NJ USA
| | - David J. Roush
- Process Development and Engineering; Merck & Co., Inc; Kenilworth NJ USA
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27
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Lee YF, Schmidt M, Graalfs H, Hafner M, Frech C. Modeling of dual gradient elution in ion exchange and mixed-mode chromatography. J Chromatogr A 2015; 1417:64-72. [DOI: 10.1016/j.chroma.2015.09.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 09/05/2015] [Accepted: 09/07/2015] [Indexed: 10/23/2022]
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28
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Multimodal chromatography: debottlenecking the downstream processing of monoclonal antibodies. ACTA ACUST UNITED AC 2015. [DOI: 10.4155/pbp.15.7] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Guo H, Li X, Frey DD. Development of chromatofocusing techniques employing mixed-mode column packings for protein separations. J Chromatogr A 2014; 1323:57-65. [DOI: 10.1016/j.chroma.2013.10.090] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 10/14/2013] [Accepted: 10/30/2013] [Indexed: 10/26/2022]
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30
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A novel multimodal chromatography based single step purification process for efficient manufacturing of an E. coli based biotherapeutic protein product. J Chromatogr A 2013; 1314:188-98. [DOI: 10.1016/j.chroma.2013.09.026] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 09/03/2013] [Accepted: 09/08/2013] [Indexed: 11/22/2022]
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31
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Wang RZ, Lin DQ, Tong HF, Lu HL, Yao SJ. Evaluation of mixed-mode chromatographic resins for separating IgG from serum albumin containing feedstock. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 936:33-41. [DOI: 10.1016/j.jchromb.2013.07.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 07/23/2013] [Accepted: 07/31/2013] [Indexed: 10/26/2022]
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