1
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Isu S, Vinskus L, Silva D, Cunningham K, Elich T, Greenhalgh P, Sokolnicki A, Raghunath B. Leveraging bioanalytical characterization of fractionated monoclonal antibody pools to identify aggregation-prone and less filterable proteoforms during virus filtration. Biotechnol Prog 2024:e3451. [PMID: 38450976 DOI: 10.1002/btpr.3451] [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: 08/25/2023] [Revised: 01/11/2024] [Accepted: 02/19/2024] [Indexed: 03/08/2024]
Abstract
Monoclonal antibodies (mAbs) are an essential class of biotherapeutics. A platform process is used for mAb development to ensure clinically safe and stable molecules. Regulatory authorities ensure that mAb production processes include sufficient viral clearance steps to achieve less than one virus particle per million doses of product. Virus filtration is used for size-based removal of enveloped and nonenveloped viruses during downstream processing of mAbs. Process development in mAb purification relies on empirical approaches and often includes adsorptive prefiltration to mitigate virus filter fouling. Opportunities for molecular-level prediction of mAb filterability are needed to plug the existing knowledge gap in downstream processing. A molecular-level approach to understanding the factors influencing mAb filterability may reduce process development time, material loss, and processing costs due to oversized virus filters. In this work, pH step gradient fractionation was applied on polished bulk mAb feed to obtain concentrated pools of fractionated mAb variants. Biophysical properties and quality attributes of fractionated pools, including oligomeric state (size), isoelectric point profile, diffusion interaction parameters, and glycoform profile, were determined using bioanalytical methods. Filterability (loading and throughput) of fractionated pools were evaluated. Statistical methods were used to obtain correlations between quality attributes of mAb fractions and filterability on the Viresolve Pro virus filter.
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Affiliation(s)
- Solomon Isu
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
| | - Lilia Vinskus
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
| | - Derek Silva
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
| | | | - Thomas Elich
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
| | | | - Adam Sokolnicki
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
| | - Bala Raghunath
- Process Solutions, MilliporeSigma, Burlington, Massachusetts, USA
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2
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Hashikawa-Muto C, Yokoyama Y, Hamamoto R, Kobayashi K, Masuda Y, Nonaka K. Effect of pH, NaCl concentration, and mAb concentration of feed solution on the filterability of Planova™ 20N and Planova™ BioEX. Biotechnol Prog 2024; 40:e3420. [PMID: 38146091 DOI: 10.1002/btpr.3420] [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] [Received: 09/08/2023] [Revised: 11/21/2023] [Accepted: 11/30/2023] [Indexed: 12/27/2023]
Abstract
Virus filtration is one of the most important steps in ensuring viral safety during the purification of monoclonal antibodies (mAbs) and other biotherapeutics derived from mammalian cell cultures. Regarding the various virus retentive filters, including Planova filters, a great deal of data has been reported on the virus retention capability and its mechanism. Along with the virus retention capability, filterability is a key performance indicator for designing a robust and high-throughput virus filtration step. In order to obtain higher filterability, optimization of the feed solution conditions, and filter selection is essential; however, limited data are available regarding the filtration characteristics of Planova filters. Furthermore, for Planova 20N and Planova BioEX, the virus retention characteristics were reported to differ due to their respective membrane materials and layer structures. Whether these filters differ in their filtration characteristics is an interesting question, but no comparative evaluations have been reported. In this study, the filterability of the two filters was investigated and compared using 15 feed mAb solutions of a single mAb selected by design of experiments with different combinations of pH, NaCl concentration, and mAb concentration. The filterability of Planova 20N was affected not only by the feed solution viscosity, but also by the mAb aggregate content of the feed mAb solution and mAb-membrane electrostatic interactions. In contrast, the filterability of Planova BioEX decreased under some buffer conditions. These findings and the established design spaces of these filters provide valuable insights into the process optimization of virus filtration.
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Affiliation(s)
- Chie Hashikawa-Muto
- Biologics Technology Research Laboratories, Biologics Division, Daiichi Sankyo Co., Ltd., Chiyoda-machi, Oura-gun, Japan
| | - Yoshiro Yokoyama
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Nobeoka, Japan
| | - Ryo Hamamoto
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Nobeoka, Japan
| | - Kazuya Kobayashi
- Global Sales & Customer Services Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Tokyo, Japan
| | - Yumiko Masuda
- Biologics Technology Research Laboratories, Biologics Division, Daiichi Sankyo Co., Ltd., Chiyoda-machi, Oura-gun, Japan
| | - Koichi Nonaka
- Biologics Technology Research Laboratories, Biologics Division, Daiichi Sankyo Co., Ltd., Chiyoda-machi, Oura-gun, Japan
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3
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Tsukamoto K, Hamamoto R, Oguri R, Miura A, Iwasaki T, Sukegawa T. Size-based analysis of virus removal filter fouling using fractionated protein aggregates. Biotechnol Prog 2024; 40:e3391. [PMID: 37733879 DOI: 10.1002/btpr.3391] [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] [Received: 04/22/2023] [Revised: 07/16/2023] [Accepted: 09/03/2023] [Indexed: 09/23/2023]
Abstract
Fouling by protein aggregates reduces virus removal filter performance. In the present study, we investigated the effects of different-sized protein aggregates on fouling and aggregate retention in order to better understand the fouling mechanisms. Human immunoglobulin G was denatured by heating to produce aggregates of various sizes and then fractionated by size exclusion chromatography into different-sized aggregates with a narrow size distribution. The fractionated aggregates were filtered on Planova 20N, a virus removal filter known for its stable filtration capability. Analysis of flux behavior demonstrated different flux decrease patterns for different-sized aggregates. Observation of aggregate retention by staining revealed that larger aggregates were captured closer to the inner surface of the membrane while smaller aggregates penetrated farther into the membrane. These findings demonstrate that Planova 20N has a gradient structure with decreasing pore size from the inner to the outer surface of the membrane. This structure minimizes fouling and enables stable filtration by protecting the smaller pores located closer to the outer surface from clogging by large aggregates. Applying the predominant clogging models to the present filtrations revealed that clogging behavior transitioned from complete blocking to cake filtration as filtration progressed. In this combination model, after a certain number of pores are blocked by complete blocking, newly arrived aggregates begin to accumulate on previously captured aggregates, generating cake between capture layers within the membrane. Application of the approaches described here will facilitate elucidation of membrane fouling and virus removal mechanisms.
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Affiliation(s)
- Keisuke Tsukamoto
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Miyazaki, Japan
| | - Ryo Hamamoto
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Miyazaki, Japan
| | - Ryota Oguri
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Miyazaki, Japan
| | - Aki Miura
- Bioprocess Technology Development Department, Asahi Kasei Medical MT Corp., Miyazaki, Japan
| | - Takuma Iwasaki
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Miyazaki, Japan
| | - Takeshi Sukegawa
- Technology Development Department, Bioprocess Division, Asahi Kasei Medical Co., Ltd., Miyazaki, Japan
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4
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Billups M, Minervini M, Holstein M, Feroz H, Ranjan S, Hung J, Zydney AL. The role of intermolecular interactions on monoclonal antibody filtration through virus removal membranes. Biotechnol J 2023; 18:e2300265. [PMID: 37641433 DOI: 10.1002/biot.202300265] [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] [Received: 06/05/2023] [Revised: 07/31/2023] [Accepted: 08/23/2023] [Indexed: 08/31/2023]
Abstract
The removal of viruses by filtration is a critical unit operation to ensure the overall safety of monoclonal antibody (mAb) products. Many mAbs show very low filtrate flux during virus removal filtration, although there are still significant uncertainties regarding both the mechanisms and antibody properties that determine the filtration behavior. Experiments were performed with three highly purified mAbs through three different commercial virus filters (Viresolve Pro, Viresolve NFP, and Pegasus SV4) with different pore structures and chemistries. The flux decline observed during mAb filtration was largely reversible, even under conditions where the filtrate flux with the mAb was more than 100-fold smaller than the corresponding buffer flux. The extent of flux decline was highly correlated with the hydrodynamic diameter of the mAb as determined by dynamic light scattering (DLS). The mAb with the lowest filtrate flux for all three membranes showed the largest attractive intermolecular interactions and the greatest hydrophobicity, with the latter determined by binding to a butyl resin in an analytical hydrophobic interaction chromatography (HIC) column. These results strongly suggest that the flux behavior is dominated by reversible self-association of the mAbs, providing important insights into the design of more effective virus filtration processes and in the early identification of problematic mAbs/solution conditions.
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Affiliation(s)
- Matthew Billups
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Mirko Minervini
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Melissa Holstein
- Bristol Myers Squibb, Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Hasin Feroz
- Bristol Myers Squibb, Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Swarnim Ranjan
- Bristol Myers Squibb, Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Jessica Hung
- Bristol Myers Squibb, Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Andrew L Zydney
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
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5
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Vitharana S, Stillahn JM, Katayama DS, Henry CS, Manning MC. Application of Formulation Principles to Stability Issues Encountered During Processing, Manufacturing, and Storage of Drug Substance and Drug Product Protein Therapeutics. J Pharm Sci 2023; 112:2724-2751. [PMID: 37572779 DOI: 10.1016/j.xphs.2023.08.003] [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: 10/14/2022] [Revised: 07/24/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
The field of formulation and stabilization of protein therapeutics has become rather extensive. However, most of the focus has been on stabilization of the final drug product. Yet, proteins experience stress and degradation through the manufacturing process, starting with fermentaition. This review describes how formulation principles can be applied to stabilize biopharmaceutical proteins during bioprocessing and manufacturing, considering each unit operation involved in prepration of the drug substance. In addition, the impact of the container on stabilty is discussed as well.
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Affiliation(s)
| | - Joshua M Stillahn
- Legacy BioDesign LLC, Johnstown, CO 80534, USA; Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | | | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | - Mark Cornell Manning
- Legacy BioDesign LLC, Johnstown, CO 80534, USA; Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.
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6
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Peles J, Cacace B, Carbrello C, Giglia S, Zydney AL. Protein fouling during constant-flux virus filtration: Mechanisms and modeling. Biotechnol Bioeng 2023; 120:3357-3367. [PMID: 37489799 DOI: 10.1002/bit.28511] [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] [Received: 04/10/2023] [Revised: 06/16/2023] [Accepted: 07/12/2023] [Indexed: 07/26/2023]
Abstract
As biomanufacturers consider the transition from batch to continuous processing, it will be necessary to re-examine the design and operating conditions for many downstream processes. For example, the integration of virus removal filtration in continuous biomanufacturing will likely require operation at low and constant filtrate flux instead of the high (constant) transmembrane pressures (TMPs) currently employed in traditional batch processing. The objective of this study was to examine the effect of low operating filtrate flux (5-100 L/m2 /h) on protein fouling during normal flow filtration of human serum Immunoglobulin G (hIgG) through the Viresolve® Pro membrane, including a direct comparison of the fouling behavior during constant-flux and constant-pressure operation. The filter capacity, defined as the volumetric throughput of hIgG solution at which the TMP increased to 30 psi, showed a distinct minimum at intermediate filtrate flux (around 20-30 L/m2 /h). The fouling data were well-described using a previously-developed mechanistic model based on sequential pore blockage and cake filtration, suitably modified for operation at constant flux. Simple analytical expressions for the pressure profiles were developed in the limits of very low and high filtrate flux, enabling rapid estimation of the filter performance and capacity. The model calculations highlight the importance of both the pressure-dependent rate of pore blockage and the compressibility of the protein cake to the fouling behavior. These results provide important insights into the overall impact of constant-flux operation on the protein fouling behavior and filter capacity during virus removal filtration using the Viresolve® Pro membrane.
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Affiliation(s)
- Joshua Peles
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | | | | | - Sal Giglia
- MilliporeSigma, Bedford, Massachusetts, USA
| | - Andrew L Zydney
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
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7
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Suh D, Kim M, Lee C, Baek Y. Virus filtration in biopharmaceutical downstream processes: key factors and current limitations. SEPARATION & PURIFICATION REVIEWS 2022. [DOI: 10.1080/15422119.2022.2143379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Dongwoo Suh
- School of Chemical and Biological Engineering, College of Engineering, Institute of Chemical Process (ICP), Seoul National University (SNU), Gwanak-gu, Republic of Korea
| | - Mina Kim
- Department of Biotechnology, Institute of Basic Science, Sungshin Women’s University, Seoul, Republic of Korea
| | - Changha Lee
- School of Chemical and Biological Engineering, College of Engineering, Institute of Chemical Process (ICP), Seoul National University (SNU), Gwanak-gu, Republic of Korea
| | - Youngbin Baek
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
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8
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Global pore blockage - cake filtration model including pressure effects on protein fouling in virus filtration. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Process- and Product-Related Foulants in Virus Filtration. Bioengineering (Basel) 2022; 9:bioengineering9040155. [PMID: 35447715 PMCID: PMC9030149 DOI: 10.3390/bioengineering9040155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 11/16/2022] Open
Abstract
Regulatory authorities place stringent guidelines on the removal of contaminants during the manufacture of biopharmaceutical products. Monoclonal antibodies, Fc-fusion proteins, and other mammalian cell-derived biotherapeutics are heterogeneous molecules that are validated based on the production process and not on molecular homogeneity. Validation of clearance of potential contamination by viruses is a major challenge during the downstream purification of these therapeutics. Virus filtration is a single-use, size-based separation process in which the contaminating virus particles are retained while the therapeutic molecules pass through the membrane pores. Virus filtration is routinely used as part of the overall virus clearance strategy. Compromised performance of virus filters due to membrane fouling, low throughput and reduced viral clearance, is of considerable industrial significance and is frequently a major challenge. This review shows how components generated during cell culture, contaminants, and product variants can affect virus filtration of mammalian cell-derived biologics. Cell culture-derived foulants include host cell proteins, proteases, and endotoxins. We also provide mitigation measures for each potential foulant.
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10
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Billups M, Minervini M, Holstein M, Feroz H, Ranjan S, Hung J, Bao H, Li ZJ, Ghose S, Zydney AL. Role of membrane structure on the filtrate flux during monoclonal antibody filtration through virus retentive membranes. Biotechnol Prog 2022; 38:e3231. [PMID: 34994527 DOI: 10.1002/btpr.3231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/15/2021] [Accepted: 01/02/2022] [Indexed: 02/02/2023]
Abstract
Virus removal filtration is a critical step in the manufacture of monoclonal antibody products, providing a robust size-based removal of both enveloped and non-enveloped viruses. Many monoclonal antibodies show very large reductions in filtrate flux during virus filtration, with the mechanisms governing this behavior and its dependence on the properties of the virus filter and antibody remaining largely unknown. Experiments were performed using the highly asymmetric Viresolve® Pro and the relatively homogeneous Pegasus™ SV4 virus filters using a highly purified monoclonal antibody. The filtrate flux for a 4 g/L antibody solution through the Viresolve® Pro decreased by about 10-fold when the filter was oriented with the skin side down but by more than 1000-fold when the asymmetric filter orientation was reversed and used with the skin side up. The very large flux decline observed with the skin side up could be eliminated by placing a large pore size prefilter directly on top of the virus filter; this improvement in filtrate flux was not seen when the prefilter was used inline or as a batch prefiltration step. The increase in flux due to the prefilter was not related to the removal of large protein aggregates or to an alteration in the extent of concentration polarization. Instead, the prefilter appears to transiently disrupt reversible associations of the antibodies caused by strong intermolecular attractions. These results provide important insights into the role of membrane morphology and antibody properties on the filtrate flux during virus filtration.
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Affiliation(s)
- Matthew Billups
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Mirko Minervini
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Melissa Holstein
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Hasin Feroz
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.,Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Swarnim Ranjan
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Jessica Hung
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Haiying Bao
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Zheng Jian Li
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Sanchayita Ghose
- Bristol Myers Squibb Biologics Process Development, Global Product Development and Supply, Devens, Massachusetts, USA
| | - Andrew L Zydney
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA
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11
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Nejatishahidein N, Zydney AL. Depth filtration in bioprocessing — new opportunities for an old technology. Curr Opin Chem Eng 2021. [DOI: 10.1016/j.coche.2021.100746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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Shirataki H, Yokoyama Y, Oguri R. Effect of mixed-mode and surface-modified column chromatography on virus filtration performance. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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Billups M, Minervini M, Holstein M, Feroz H, Ranjan S, Hung J, Bao H, Ghose S, Li ZJ, Zydney AL. Antibody retention by virus filtration membranes: Polarization and sieving effects. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118884] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Stanevich V, Pachalla A, Nunez B, McInnes M, Nieder C, Schreffler J. Improving viral filtration capacity in biomanufacturing processes using aggregate binding properties of polyamide-6,6. Biotechnol Bioeng 2020; 118:1105-1115. [PMID: 33241852 DOI: 10.1002/bit.27634] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 11/06/2020] [Accepted: 11/13/2020] [Indexed: 11/10/2022]
Abstract
Virus retention filtration is a common step in modern biopharmaceutical manufacturing as it enables efficient removal of potential adventitious and endogenous viruses via size exclusion. Modern parvovirus retention filters have significantly improved fluxes and parvovirus retention in comparison to earlier versions of these filters. However, these filters may be more susceptible to premature fouling and require more effort for process optimization. Here, we demonstrate that polyamide-6,6 (nylon-6,6) membranes when used as prefilters can increase the capacity of these Parvovirus retentive filters that are less susceptible to premature fouling. We found that the mechanism of polyamide-mediated filtration improvement can be explained by the binding of monoclonal antibody (mAb) aggregates with a diameter of 20-100 nm, and we show that this mechanism is shared by other types of adsorptive prefilters. Finally, by the combination of mobile phase screening, additive spiking, and molecular dynamics simulations, we show that polyamide-6,6 removes mAb aggregates through hydrophobic interactions making its design space potentially complementary to other available prefilters. Our studies support the aggregate-mediated mechanism of flux decay during viral filtration and suggest that polyamide-6,6 could be considered as an alternative cost-effective option to extend the capacity of viral filters.
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Affiliation(s)
- Vitali Stanevich
- Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Abhishek Pachalla
- Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Briana Nunez
- Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | | | | | - John Schreffler
- Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
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Tripathi NK, Shrivastava A. Recent Developments in Bioprocessing of Recombinant Proteins: Expression Hosts and Process Development. Front Bioeng Biotechnol 2019; 7:420. [PMID: 31921823 PMCID: PMC6932962 DOI: 10.3389/fbioe.2019.00420] [Citation(s) in RCA: 240] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 11/29/2019] [Indexed: 12/22/2022] Open
Abstract
Infectious diseases, along with cancers, are among the main causes of death among humans worldwide. The production of therapeutic proteins for treating diseases at large scale for millions of individuals is one of the essential needs of mankind. Recent progress in the area of recombinant DNA technologies has paved the way to producing recombinant proteins that can be used as therapeutics, vaccines, and diagnostic reagents. Recombinant proteins for these applications are mainly produced using prokaryotic and eukaryotic expression host systems such as mammalian cells, bacteria, yeast, insect cells, and transgenic plants at laboratory scale as well as in large-scale settings. The development of efficient bioprocessing strategies is crucial for industrial production of recombinant proteins of therapeutic and prophylactic importance. Recently, advances have been made in the various areas of bioprocessing and are being utilized to develop effective processes for producing recombinant proteins. These include the use of high-throughput devices for effective bioprocess optimization and of disposable systems, continuous upstream processing, continuous chromatography, integrated continuous bioprocessing, Quality by Design, and process analytical technologies to achieve quality product with higher yield. This review summarizes recent developments in the bioprocessing of recombinant proteins, including in various expression systems, bioprocess development, and the upstream and downstream processing of recombinant proteins.
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Affiliation(s)
- Nagesh K. Tripathi
- Bioprocess Scale Up Facility, Defence Research and Development Establishment, Gwalior, India
| | - Ambuj Shrivastava
- Division of Virology, Defence Research and Development Establishment, Gwalior, India
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