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Tran T, Gustavsson R, Martinsson E, Bergqvist F, Axen A, Lundström I, Mandenius CF, Aili D. In-line fiber optical sensor for detection of IgG aggregates in affinity chromatography. J Chromatogr A 2024; 1730:465129. [PMID: 38970875 DOI: 10.1016/j.chroma.2024.465129] [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: 03/20/2024] [Revised: 06/25/2024] [Accepted: 06/28/2024] [Indexed: 07/08/2024]
Abstract
Therapeutic monoclonal antibodies (mAbs) are critical for treatment of a wide range of diseases. Immunoglobulin G (IgG) is the most predominant form of mAb but is prone to aggregation during production. Detection and removal of IgG aggregates are time-consuming and laborious. Chromatography is central for purification of biopharmaceuticals in general and essential in the production of mAbs. Protein purification systems are usually equipped with detectors for monitoring pH, UV absorbance, and conductivity, to facilitate optimization and control of the purification process. However, specific in-line detection of the target products and contaminating species, such as aggregates, is currently not possible using convectional techniques. Here we show a novel fiber optical in-line sensor, based on localized surface plasmon resonance (LSPR), for specific detection of IgG and IgG aggregates during affinity chromatography. A flow cell with a Protein A sensor chip was connected to the outlet of the affinity column connected to three different chromatography systems operating at lab scale to pilot scale. Samples containing various IgG concentrations and aggregate contents were analyzed in-line during purification on a Protein A column using both pH gradient and isocratic elution. Because of avidity effects, IgG aggregates showed slower dissociation kinetics than monomers after binding to the sensor chips. Possibilities to detect aggregate concentrations below 1 % and difference in aggregate content smaller than 0.3 % between samples were demonstrated. In-line detection of aggregates can circumvent time-consuming off-line analysis and facilitate automation and process intensification.
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Affiliation(s)
- Thuy Tran
- Laboratory of Molecular Materials, Division of Biophysics and Bioengineering, Department of Physics, Chemistry and Biology, Linköping University, Linköping 581 83, Sweden; ArgusEye AB, Fridtunagatan 24, Linköping 582 13, Sweden
| | - Robert Gustavsson
- Laboratory of Molecular Materials, Division of Biophysics and Bioengineering, Department of Physics, Chemistry and Biology, Linköping University, Linköping 581 83, Sweden
| | | | | | - Andreas Axen
- Cytiva Sweden AB, Björkgatan 30, Uppsala, Sweden
| | - Ingemar Lundström
- Sensor and Actuator Systems, Department of Physics, Chemistry and Biology, Linköping University, Linköping 581 83, Sweden
| | - Carl-Fredrik Mandenius
- Laboratory of Molecular Materials, Division of Biophysics and Bioengineering, Department of Physics, Chemistry and Biology, Linköping University, Linköping 581 83, Sweden
| | - Daniel Aili
- Laboratory of Molecular Materials, Division of Biophysics and Bioengineering, Department of Physics, Chemistry and Biology, Linköping University, Linköping 581 83, Sweden.
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Matte A. Recent Advances and Future Directions in Downstream Processing of Therapeutic Antibodies. Int J Mol Sci 2022; 23:ijms23158663. [PMID: 35955796 PMCID: PMC9369434 DOI: 10.3390/ijms23158663] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 02/05/2023] Open
Abstract
Despite the advent of many new therapies, therapeutic monoclonal antibodies remain a prominent biologics product, with a market value of billions of dollars annually. A variety of downstream processing technological advances have led to a paradigm shift in how therapeutic antibodies are developed and manufactured. A key driver of change has been the increased adoption of single-use technologies for process development and manufacturing. An early-stage developability assessment of potential lead antibodies, using both in silico and high-throughput experimental approaches, is critical to de-risk development and identify molecules amenable to manufacturing. Both statistical and mechanistic modelling approaches are being increasingly applied to downstream process development, allowing for deeper process understanding of chromatographic unit operations. Given the greater adoption of perfusion processes for antibody production, continuous and semi-continuous downstream processes are being increasingly explored as alternatives to batch processes. As part of the Quality by Design (QbD) paradigm, ever more sophisticated process analytical technologies play a key role in understanding antibody product quality in real-time. We should expect that computational prediction and modelling approaches will continue to be advanced and exploited, given the increasing sophistication and robustness of predictive methods compared to the costs, time, and resources required for experimental studies.
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Affiliation(s)
- Allan Matte
- Downstream Processing Team, Bioprocess Engineering Department, Human Health Therapeutics Research Center, National Research Council Canada, 6100 Royalmount Avenue, Montreal, QC H4P 2R2, Canada
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Kim NA, Noh GY, Hada S, Na KJ, Yoon HJ, Park KW, Park YM, Jeong SH. Enhanced protein aggregation suppressor activity of N-acetyl-l-arginine for agitation-induced aggregation with silicone oil and its impact on innate immune responses. Int J Biol Macromol 2022; 216:42-51. [PMID: 35779650 DOI: 10.1016/j.ijbiomac.2022.06.176] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/07/2022] [Accepted: 06/26/2022] [Indexed: 11/26/2022]
Abstract
Previously, N-acetyl-l-arginine (NALA) suppressed the aggregation of intravenous immunoglobulins (IVIG) more effectively and with a minimum decrease in transition temperature (Tm) than arginine monohydrochloride. In this study, we performed a comparative study with etanercept (commercial product: Enbrel®), where 25 mM arginine monohydrochloride (arginine) was added to the prefilled syringe. The biophysical properties were investigated using differential scanning calorimetry (DSC), dynamic light scattering (DLS), size-exclusion chromatography (SEC), and flow-imaging microscopy (FI). NALA retained the transition temperature of etanercept better than arginine, where arginine significantly reduced the Tm by increasing its concentration. End-over-end rotation was applied to each formulation for 5 days to accelerate protein aggregation and subvisible particle formation. Higher monomeric content was retained with NALA with a decrease in particle level. Higher aggregation onset temperature (Tagg) was detected for etanercept with NALA than arginine. The results of this comparative study were consistent with previous study, suggesting that NALA could be a better excipient for liquid protein formulations. Agitated IVIG and etanercept were injected into C57BL/6 J female mice to observe immunogenic response after 24 h. In the presence of silicone oil, NALA dramatically reduced IL-1 expression, implying that decreased aggregation was related to reduced immunogenicity of both etanercept and IVIG.
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Affiliation(s)
- Nam Ah Kim
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea; College of Pharmacy, Mokpo National University, Jeonnam 58554, Republic of Korea.
| | - Ga Yeon Noh
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea
| | - Shavron Hada
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea
| | - Kyung Jun Na
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea
| | - Hee-Jung Yoon
- Division of Health and Kinesiology, Incheon National University, Incheon 22012, Republic of Korea
| | - Ki-Woong Park
- Division of Health and Kinesiology, Incheon National University, Incheon 22012, Republic of Korea.
| | - Young-Min Park
- Division of Health and Kinesiology, Incheon National University, Incheon 22012, Republic of Korea.
| | - Seong Hoon Jeong
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea.
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Park SK, Noh GY, Yu HW, Lee EC, Jeong J, Park YM, Han HK, Jeong SH, Kim NA. Lessons Learned in Protein Precipitation Using a Membrane Emulsification Technique to Produce Reversible and Uniform Microbeads. Pharmaceutics 2021; 13:pharmaceutics13101738. [PMID: 34684031 PMCID: PMC8540039 DOI: 10.3390/pharmaceutics13101738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/08/2021] [Accepted: 10/16/2021] [Indexed: 11/16/2022] Open
Abstract
The effects of the manufacturing process and the regeneration of Shirasu porous glass (SPG) membranes were investigated on the reproducibility of protein precipitants, termed protein microbeads. Intravenous immunoglobulin (IVIG) was selected as a model protein to produce its microbeads in seven different cases. The results showed that the hydrophobically modified SPG membrane produced finer microbeads than the hydrophilic SPG membrane, but this was inconsistent when using the general regeneration method. Its reproducibility was determined to be mostly dependent on rinsing the SPG membrane prior to the modification and on the protein concentration used for emulsification. The higher concentration could foul and plug the membrane during protein release and thus the membrane must be washed thoroughly before hydrophobic modification. Moreover, the membrane regenerated by silicone resin dissolved in ethanol had better reproducibility than silicone resin dissolved in water. On the other hand, rinsing the protein precipitant with cold ethanol after the emulsification was not favorable and induced protein aggregation. With the addition of trehalose, the purity of the IVIG microbeads was almost the same as before microbeadification. Therefore, the regeneration method, protein concentration, and its stabilizer are key to the success of protein emulsification and precipitation using the SPG membrane.
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Affiliation(s)
- Sang-Koo Park
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Ga Yeon Noh
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Hyun Woo Yu
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Eun Chae Lee
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Junoh Jeong
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Young-Min Park
- Division of Health and Kinesiology, Incheon National University, Incheon 22012, Korea;
| | - Hyo-Kyung Han
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
| | - Seong Hoon Jeong
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
- Correspondence: (S.H.J.); (N.A.K.); Tel.: +82-10-5679-0621 (S.H.J.); +82-10-5590-1018 (N.A.K.)
| | - Nam Ah Kim
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Seoul 10326, Korea; (S.-K.P.); (G.Y.N.); (H.W.Y.); (E.C.L.); (J.J.); (H.-K.H.)
- Correspondence: (S.H.J.); (N.A.K.); Tel.: +82-10-5679-0621 (S.H.J.); +82-10-5590-1018 (N.A.K.)
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Off-label use of plastic syringes with silicone oil for intravenous infusion bags of antibodies. Eur J Pharm Biopharm 2021; 166:205-215. [PMID: 34237379 DOI: 10.1016/j.ejpb.2021.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/24/2021] [Accepted: 07/02/2021] [Indexed: 11/24/2022]
Abstract
The formation of particulates in post-manufacture biopharmaceuticals continues to be a major concern in medical treatment. This study was designed to evaluate the content of micro-sized particles using flow imaging of antibodies in intravenous infusion bags. Intravenous immunoglobulin (IVIG) and Avastin® were selected as model drugs and plastic syringes with and without silicone oil (SO) were used to transfer the drugs into the bags (0.9% saline or 5% dextrose). Antibodies exposed to SO had significantly increased levels of microparticles in both diluents, suggesting SO accelerates particle formation, especially at a higher antibody concentration. Even before the drop stress, their count exceeded the USP guideline. Dropping the bags in the presence of SO produced larger microparticles. Meanwhile, air bubbles were retained longer in saline suggesting more protein film formation on its air-water interface. Overall, both drugs were conformationally stable and produced less particles in dextrose than in saline.
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