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Choa JBD, Sasaki T, Kajiura H, Ikuta K, Fujiyama K, Misaki R. Effects of various disaccharide adaptations on recombinant IgA1 production in CHO-K1 suspension cells. Cytotechnology 2023; 75:219-229. [PMID: 37163134 PMCID: PMC10018586 DOI: 10.1007/s10616-023-00571-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 02/09/2023] [Indexed: 03/28/2023] Open
Abstract
Immunoglobulin A (IgA) has been showing potential as a new therapeutic antibody. However, recombinant IgA suffers from low yield. Supplementation of the medium is an effective approach to improving the production and quality of recombinant proteins. In this study, we adapted IgA1-producing CHO-K1 suspension cells to a high concentration (150 mM) of different disaccharides, namely sucrose, maltose, lactose, and trehalose, to improve the production and quality of recombinant IgA1. The disaccharide-adapted cell lines had slower cell growth rates, but their cell viability was extended compared to the nonadapted IgA1-producing cell line. Glucose consumption was exhausted in all cell lines except for the maltose-adapted one, which still contained glucose even after the 9th day of culturing. Lactate production was higher among the disaccharide-adapted cell lines. The specific productivity of the maltose-adapted IgA1-producing line was 4.5-fold that of the nonadapted line. In addition, this specific productivity was higher than in previous productions of recombinant IgA1 with a lambda chain. Lastly, secreted IgA1 aggregated in all cell lines, which may have been caused by self-aggregation. This aggregation was also found to begin inside the cells for maltose-adapted cell line. These results suggest that a high concentration of disaccharide-supplemented induced hyperosmolarity in the IgA1-producing CHO-K1 cell lines. In addition, the maltose-adapted CHO-K1 cell line benefited from having an additional source of carbohydrate.
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Affiliation(s)
- John Benson D. Choa
- grid.136593.b0000 0004 0373 3971International Center for Biotechnology, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
| | - Tadahiro Sasaki
- grid.136593.b0000 0004 0373 3971Department of Viral Infections, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
| | - Hiroyuki Kajiura
- grid.136593.b0000 0004 0373 3971International Center for Biotechnology, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
- grid.136593.b0000 0004 0373 3971Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
| | - Kazuyoshi Ikuta
- grid.136593.b0000 0004 0373 3971Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
- BioAcademia, Inc, 3-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
| | - Kazuhito Fujiyama
- grid.136593.b0000 0004 0373 3971International Center for Biotechnology, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
- grid.136593.b0000 0004 0373 3971Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
- grid.10223.320000 0004 1937 0490Faculty of Science, Osaka University Cooperative Research Station in Southeast Asia (OU:CRS), Mahidol University, Bangkok, Thailand
| | - Ryo Misaki
- grid.136593.b0000 0004 0373 3971International Center for Biotechnology, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
- grid.136593.b0000 0004 0373 3971Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565-0871 Japan
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2
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Abstract
Two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) continues to be one of the most versatile and widely used techniques to study the proteome of a biological system, particularly in the separation of intact proteins. A modified version of 2D-PAGE, two-dimensional difference gel electrophoresis (2D-DIGE), which uses differential labeling of protein samples with up to three fluorescent tags, offers greater sensitivity and reproducibility over conventional 2D-PAGE gels for differential quantitative analysis of protein expression between experimental groups. Both these methods have distinct advantages in the separation and identification of thousands of individual protein species including protein isoforms and post-translational modifications. This chapter discusses the principles of 2D-PAGE and 2D-DIGE including limitations to the methods. 2D-PAGE and 2D-DIGE continue to be popular methods in bioprocessing-related research, particularly on recombinant Chinese hamster ovary cells, which are also discussed in this chapter.
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Affiliation(s)
- Paula Meleady
- School of Biotechnology, National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin, Ireland.
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3
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Pérez-Rodriguez S, Wulff T, Voldborg BG, Altamirano C, Trujillo-Roldán MA, Valdez-Cruz NA. Compartmentalized Proteomic Profiling Outlines the Crucial Role of the Classical Secretory Pathway during Recombinant Protein Production in Chinese Hamster Ovary Cells. ACS OMEGA 2021; 6:12439-12458. [PMID: 34056395 PMCID: PMC8154153 DOI: 10.1021/acsomega.0c06030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/24/2021] [Indexed: 05/11/2023]
Abstract
Different cellular processes that contribute to protein production in Chinese hamster ovary (CHO) cells have been previously investigated by proteomics. However, although the classical secretory pathway (CSP) has been well documented as a bottleneck during recombinant protein (RP) production, it has not been well represented in previous proteomic studies. Hence, the significance of this pathway for production of RP was assessed by identifying its own proteins that were associated to changes in RP production, through subcellular fractionation coupled to shot-gun proteomics. Two CHO cell lines producing a monoclonal antibody with different specific productivities were used as cellular models, from which 4952 protein groups were identified, which represent a coverage of 59% of the Chinese hamster proteome. Data are available via ProteomeXchange with identifier PXD021014. By using SAM and ROTS algorithms, 493 proteins were classified as differentially expressed, of which about 80% was proposed as novel targets and one-third were assigned to the CSP. Endoplasmic reticulum (ER) stress, unfolded protein response, calcium homeostasis, vesicle traffic, glycosylation, autophagy, proteasomal activity, protein synthesis and translocation into ER lumen, and secretion of extracellular matrix components were some of the affected processes that occurred in the secretory pathway. Processes from other cellular compartments, such as DNA replication, transcription, cytoskeleton organization, signaling, and metabolism, were also modified. This study gives new insights into the molecular traits of higher producer cells and provides novel targets for development of new sub-lines with improved phenotypes for RP production.
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Affiliation(s)
- Saumel Pérez-Rodriguez
- Programa
de Investigación de Producción de Biomoléculas,
Departamento de Biología Molecular y Biotecnología,
Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510 Ciudad de
México, México
| | - Tune Wulff
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Bjørn G. Voldborg
- The
Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Claudia Altamirano
- Laboratorio
de Cultivos Celulares, Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085 Valparaíso, Chile
| | - Mauricio A. Trujillo-Roldán
- Programa
de Investigación de Producción de Biomoléculas,
Departamento de Biología Molecular y Biotecnología,
Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510 Ciudad de
México, México
| | - Norma A. Valdez-Cruz
- Programa
de Investigación de Producción de Biomoléculas,
Departamento de Biología Molecular y Biotecnología,
Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510 Ciudad de
México, México
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4
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Pérez-Rodriguez S, Ramírez OT, Trujillo-Roldán MA, Valdez-Cruz NA. Comparison of protein precipitation methods for sample preparation prior to proteomic analysis of Chinese hamster ovary cell homogenates. ELECTRON J BIOTECHN 2020. [DOI: 10.1016/j.ejbt.2020.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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5
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Effects of viral promoters, the Woodchuck hepatitis post-transcriptional regulatory element, and weakened antibiotic resistance markers on transgene expression in Chinese hamster ovary cells. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Debottlenecking protein secretion and reducing protein aggregation in the cellular host. Curr Opin Biotechnol 2018; 53:151-157. [DOI: 10.1016/j.copbio.2018.01.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 01/05/2018] [Accepted: 01/08/2018] [Indexed: 01/05/2023]
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7
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Abstract
Two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) continues to be one of the most versatile and widely used techniques to study the proteome of a biological system. In particular, a modified version of 2D-PAGE, two-dimensional difference gel electrophoresis (2D-DIGE), which uses differential labeling of protein samples with up to three fluorescent tags, offers greater sensitivity and reproducibility over conventional 2D-PAGE gels for differential quantitative analysis of protein expression between experimental groups. Both these methods have distinct advantages in the separation and identification of thousands of individual proteins species including protein isoforms and post-translational modifications. This review will discuss the principles of 2D-PAGE and 2D-DIGE including limitations to the methods. 2D-PAGE and 2D-DIGE continue to be popular methods in bioprocessing-related research (particularly on recombinant Chinese hamster ovary cells), which will also be discussed in the review chapter.
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Affiliation(s)
- Paula Meleady
- National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
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8
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Zou W, Edros R, Al-Rubeai M. The relationship of metabolic burden to productivity levels in CHO cell lines. Biotechnol Appl Biochem 2017; 65:173-180. [PMID: 28681393 DOI: 10.1002/bab.1574] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Accepted: 06/29/2017] [Indexed: 01/08/2023]
Abstract
The growing demand for recombinant therapeutics has driven biotechnologists to develop new production strategies. One such strategy for increasing the expression of heterologous proteins has focused on enhancing cell-specific productivity through environmental perturbations. In this work, the effects of hypothermia, hyperosmolarity, high shear stress, and sodium butyrate treatment on growth and productivity were studied using three (low, medium, and high producing) CHO cell lines that differed in their specific productivities of monoclonal antibody. In all three cell lines, the inhibitory effect of these parameters on proliferation was demonstrated. Additionally, compared to the control, specific productivity was enhanced under all conditions and exhibited a consistent cell line specific pattern, with maximum increases (50-290%) in the low producer, and minimum increases (7-20%) in the high producer. Thus, the high-producing cell line was less responsive to environmental perturbations than the low-producing cell line. We hypothesize that this difference is most likely due to the bottleneck associated with a higher metabolic burden caused by higher antibody expression. Increased recombinant mRNA levels and pyruvate carboxylase activities due to low temperature and hyperosmotic stress were found to be positively associated with the metabolic burden.
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Affiliation(s)
- Wu Zou
- School of Chemical and Bioprocess Engineering, and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Raihana Edros
- School of Chemical and Bioprocess Engineering, and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Mohamed Al-Rubeai
- School of Chemical and Bioprocess Engineering, and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
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9
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Lee JH, Jeong YR, Kim YG, Lee GM. Understanding of decreased sialylation of Fc-fusion protein in hyperosmotic recombinant Chinese hamster ovary cell culture: N-glycosylation gene expression and N-linked glycan antennary profile. Biotechnol Bioeng 2017; 114:1721-1732. [PMID: 28266015 DOI: 10.1002/bit.26284] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 02/16/2017] [Accepted: 02/28/2017] [Indexed: 01/14/2023]
Abstract
To understand the effects of hyperosmolality on protein glycosylation, recombinant Chinese hamster ovary (rCHO) cells producing the Fc-fusion protein were cultivated in hyperosmolar medium resulting from adding NaCl (415 mOsm/kg). The hyperosmotic culture showed increased specific Fc-fusion protein productivity (qFc ) but a decreased proportion of acidic isoforms and sialic acid content of the Fc-fusion protein. The intracellular and extracellular sialidase activities in the hyperosmotic cultures were similar to those in the control culture (314 mOsm/kg), indicating that reduced sialylation of Fc-fusion protein at hyperosmolality was not due to elevated sialidase activity. Expression of 52 N-glycosylation-related genes was assessed by the NanoString nCounter system, which provides a direct digital readout using custom-designed color-coded probes. After 3 days of hyperosmotic culture, nine genes (ugp, slc35a3, slc35d2, gcs1, manea, mgat2, mgat5b, b4galt3, and b4galt4) were differentially expressed over 1.5-fold of the control, and all these genes were down-regulated. N-linked glycan analysis by anion exchange and hydrophilic interaction HPLC showed that the proportion of highly sialylated (di-, tri-, tetra-) and tetra-antennary N-linked glycans was significantly decreased upon hyperosmotic culture. Addition of betaine, an osmoprotectant, to the hyperosmotic culture significantly increased the proportion of highly sialylated and tetra-antennary N-linked glycans (P ≤ 0.05), while it increased the expression of the N-glycan branching/antennary genes (mgat2 and mgat4b). Thus, decreased expression of the genes with roles in the N-glycan biosynthesis pathway correlated with reduced sialic acid content of Fc-fusion protein caused by hyperosmolar conditions. Taken together, the results obtained in this study provide a better understanding of the detrimental effects of hyperosmolality on N-glycosylation, especially sialylation, in rCHO cells. Biotechnol. Bioeng. 2017;114: 1721-1732. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Jong Hyun Lee
- Department of Biological Sciences, KAIST, 335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Yeong Ran Jeong
- Department of Biological Sciences, KAIST, 335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Yeon-Gu Kim
- Biotechnology Process Engineering Center, KRIBB, Ochang-eup, Cheongwon-gu, Cheongju, Republic of Korea.,Department of Bioprocess Engineering, Korea University of Science and Technology (UST), Gajeong-ro, Yuseong-gu, Daejeon, Republic of Korea
| | - Gyun Min Lee
- Department of Biological Sciences, KAIST, 335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
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10
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Farrell A, McLoughlin N, Milne JJ, Marison IW, Bones J. Application of Multi-Omics Techniques for Bioprocess Design and Optimization in Chinese Hamster Ovary Cells. J Proteome Res 2014; 13:3144-59. [DOI: 10.1021/pr500219b] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Amy Farrell
- Characterisation
and Comparability Laboratory, NIBRT − The National Institute for Bioprocessing Research and Training, Foster Avenue, Mount Merrion, Blackrock, Co. Dublin, Ireland
| | - Niaobh McLoughlin
- Characterisation
and Comparability Laboratory, NIBRT − The National Institute for Bioprocessing Research and Training, Foster Avenue, Mount Merrion, Blackrock, Co. Dublin, Ireland
| | - John J. Milne
- Characterisation
and Comparability Laboratory, NIBRT − The National Institute for Bioprocessing Research and Training, Foster Avenue, Mount Merrion, Blackrock, Co. Dublin, Ireland
| | - Ian W. Marison
- Laboratory
of Integrated Bioprocessing, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Jonathan Bones
- Characterisation
and Comparability Laboratory, NIBRT − The National Institute for Bioprocessing Research and Training, Foster Avenue, Mount Merrion, Blackrock, Co. Dublin, Ireland
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11
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Datta P, Linhardt RJ, Sharfstein ST. An 'omics approach towards CHO cell engineering. Biotechnol Bioeng 2013; 110:1255-71. [DOI: 10.1002/bit.24841] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Revised: 12/19/2012] [Accepted: 01/02/2013] [Indexed: 12/15/2022]
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