1
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Das PK, Sahoo A, Dasu VV. Current status, and the developments of hosts and expression systems for the production of recombinant human cytokines. Biotechnol Adv 2022; 59:107969. [PMID: 35525478 DOI: 10.1016/j.biotechadv.2022.107969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 02/07/2023]
Abstract
Cytokines consist of peptides, proteins and glycoproteins, which are biological signaling molecules, and boost cell-cell communication in immune reactions to stimulate cellular movements in the place of trauma, inflammation and infection. Recombinant cytokines are designed in such a way that they have generalized immunostimulation action or stimulate specific immune cells when the body encounters immunosuppressive signals from exogenous pathogens or other tumor microenvironments. Recombinant cytokines have improved the treatment processes for numerous diseases. They are also beneficial against novel toxicities that arise due to pharmacologic immunostimulators that lead to an imbalance in the regulation of cytokine. So, the production and use of recombinant human cytokines as therapeutic proteins are significant for medical treatment purposes. For the improved production of recombinant human cytokines, the development of host cells such as bacteria, yeast, fungi, insect, mammal and transgenic plants, and the specific expression systems for individual hosts is necessary. The recent advancements in the field of genetic engineering are beneficial for easy and efficient genetic manipulations for hosts as well as expression cassettes. The use of metabolic engineering and systems biology approaches have tremendous applications in recombinant protein production by generating mathematical models, and analyzing complex biological networks and metabolic pathways via simulations to understand the interconnections between metabolites and genetic behaviors. Further, the bioprocess developments and the optimization of cell culture conditions would enhance recombinant cytokines productivity on large scales.
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Affiliation(s)
- Prabir Kumar Das
- Biochemical Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Ansuman Sahoo
- Biochemical Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Veeranki Venkata Dasu
- Biochemical Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
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2
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Jia L, Rao S, Li H, Wu C, Wang Q, Li T, Huang A. Enhancing HSA-GCSFm fusion protein production by Pichia pastoris with an on-line model-based exponential and DO-stat control modes. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2021.108262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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3
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Structural and Biochemical Features of Human Serum Albumin Essential for Eukaryotic Cell Culture. Int J Mol Sci 2021; 22:ijms22168411. [PMID: 34445120 PMCID: PMC8395139 DOI: 10.3390/ijms22168411] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 12/16/2022] Open
Abstract
Serum albumin physically interacts with fatty acids, small molecules, metal ions, and several other proteins. Binding with a plethora of bioactive substances makes it a critical transport molecule. Albumin also scavenges the reactive oxygen species that are harmful to cell survival. These properties make albumin an excellent choice to promote cell growth and maintain a variety of eukaryotic cells under in vitro culture environment. Furthermore, purified recombinant human serum albumin is mostly free from impurities and modifications, providing a perfect choice as an additive in cell and tissue culture media while avoiding any regulatory constraints. This review discusses key features of human serum albumin implicated in cell growth and survival under in vitro conditions.
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4
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Spada A, Emami J, Tuszynski JA, Lavasanifar A. The Uniqueness of Albumin as a Carrier in Nanodrug Delivery. Mol Pharm 2021; 18:1862-1894. [PMID: 33787270 DOI: 10.1021/acs.molpharmaceut.1c00046] [Citation(s) in RCA: 185] [Impact Index Per Article: 61.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Albumin is an appealing carrier in nanomedicine because of its unique features. First, it is the most abundant protein in plasma, endowing high biocompatibility, biodegradability, nonimmunogenicity, and safety for its clinical application. Second, albumin chemical structure and conformation allows interaction with many different drugs, potentially protecting them from elimination and metabolism in vivo, thus improving their pharmacokinetic properties. Finally, albumin can interact with receptors overexpressed in many diseased tissues and cells, providing a unique feature for active targeting of the disease site without the addition of specific ligands to the nanocarrier. For this reason, albumin, characterized by an extended serum half-life of around 19 days, has the potential of promoting half-life extension and targeted delivery of drugs. Therefore, this article focuses on the importance of albumin as a nanodrug delivery carrier for hydrophobic drugs, taking advantage of the passive as well as active targeting potential of this nanocarrier. Particular attention is paid to the breakthrough NAB-Technology, with emphasis on the advantages of Nab-Paclitaxel (Abraxane), compared to the solvent-based formulations of Paclitaxel, i.e., CrEL-paclitaxel (Taxol) in a clinical setting. Finally, the role of albumin in carrying anticancer compounds is depicted, with a particular focus on the albumin-based formulations that are currently undergoing clinical trials. The article sheds light on the power of an endogenous substance, such as albumin, as a drug delivery system, signifies the importance of the drug vehicle in drug performance in the biological systems, and highlights the possible future trends in the use of this drug delivery system.
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Affiliation(s)
- Alessandra Spada
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta T6G 1Z2, Canada.,DIMEAS, Politecnico di Torino, Corso Duca degli Abruzzi 24, Turin 10129, Italy.,Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Jaber Emami
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2R3, Canada.,Department of Pharmaceutics, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Jack A Tuszynski
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta T6G 1Z2, Canada.,DIMEAS, Politecnico di Torino, Corso Duca degli Abruzzi 24, Turin 10129, Italy
| | - Afsaneh Lavasanifar
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
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5
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Qian M, Zhang Q, Lu J, Zhang J, Wang Y, Shangguan W, Feng M, Feng J. Long-Acting Human Interleukin 2 Bioconjugate Modified with Fatty Acids by Sortase A. Bioconjug Chem 2021; 32:615-625. [PMID: 33656323 DOI: 10.1021/acs.bioconjchem.1c00062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Human Interleukin 2 (IL-2) has already achieved impressive results as a therapeutic agent for cancer and autoimmune diseases. However, one of the limitations associated with the clinical application of IL-2 is its short half-life owing to rapid clearance by the kidneys. Modification with fatty acids, as an albumin noncovalent ligand with the advantage of deep penetration into tissues and high activity-to-mass ratio, is a commonly used approach to improve the half-life of native peptides and proteins. In this investigation, we attempted to extend the half-life of IL-2 through conjugation with a fatty acid using sortase A (srtA). We initially designed and optimized three IL-2 analogues with different peptide linkers between the C-terminus of IL-2 and srtA recognition sequence (LPETG). Among these, analogue A3 was validated as the optimal IL-2 analogue for further modification. Next, six fatty acid moieties with the same fatty acid and different hydrophilic spacers were conjugated to A3 through srtA. The six bioconjugates generated were screened for in vitro biological activity, among which bioconjugate B6 was identified as near-optimal to IL-2. Additionally, B6 could effectively bind albumin through the conjugated fatty acid, which contributed to a significant improvement in its pharmacokinetic properties in vivo. In summary, we have developed a novel IL-2 bioconjugate, B6, modified with fatty acids using srtA, which may effectively serve as a new-generation long-acting IL-2 immunotherapeutic agent.
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Affiliation(s)
- Mengxin Qian
- Department of Microbiological & Biochemical Pharmacy, School of Pharmacy, Fudan University, 201203 Shanghai, China.,State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China
| | - Qingbin Zhang
- State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China
| | - Jianguang Lu
- State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China.,Shanghai Duomirui Biotechnology Co., Ltd., 201203 Shanghai, China
| | - Jinhua Zhang
- Department of Microbiological & Biochemical Pharmacy, School of Pharmacy, Fudan University, 201203 Shanghai, China.,State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China
| | - Yapeng Wang
- State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China
| | - Wenwen Shangguan
- Department of Microbiological & Biochemical Pharmacy, School of Pharmacy, Fudan University, 201203 Shanghai, China.,State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China
| | - Meiqing Feng
- Department of Microbiological & Biochemical Pharmacy, School of Pharmacy, Fudan University, 201203 Shanghai, China
| | - Jun Feng
- State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, China State Institute of Pharmaceutical Industry, 201203 Shanghai, China.,Shanghai Duomirui Biotechnology Co., Ltd., 201203 Shanghai, China
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6
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Zhu W, Xu R, Gong G, Xu L, Hu Y, Xie L. Medium optimization for high yield production of human serum albumin in Pichia pastoris and its efficient purification. Protein Expr Purif 2021; 181:105831. [PMID: 33508474 DOI: 10.1016/j.pep.2021.105831] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To improve the yield of recombinant human serum albumin (HSA) in Pichia pastoris by medium optimization and establish the related purification scheme. RESULTS A simplified version of the generally used buffered glycerol complex medium (BMGY), which contained yeast extract, glycerol and potassium salts, was found to be applicable. By decreasing the salt concentration of basal salt medium (BSM) to half of the original formula further, we achieved a high yield of 17.47 g/L HSA in the supernatant within a 192 h induction, which is the highest rHSA yield ever reported as far as we know. Accompanied with a three-step purification procedure which recovered two thirds of the desired protein at high purity, our work lays a solid foundation for large-scale industrial production of HSA. CONCLUSION Medium optimization plays a significant role in improving the yield of desired protein, lowering the production cost and helping to explore the producing strain's character.
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Affiliation(s)
- Wen Zhu
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China
| | - Renren Xu
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China
| | - Guihua Gong
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China
| | - Lei Xu
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China
| | - Youjia Hu
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China
| | - Liping Xie
- China State Institute of Pharmaceutical Industry, Zhangjiang Institute, Shanghai, 201203, PR China.
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7
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Varanko A, Saha S, Chilkoti A. Recent trends in protein and peptide-based biomaterials for advanced drug delivery. Adv Drug Deliv Rev 2020; 156:133-187. [PMID: 32871201 PMCID: PMC7456198 DOI: 10.1016/j.addr.2020.08.008] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/14/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
Abstract
Engineering protein and peptide-based materials for drug delivery applications has gained momentum due to their biochemical and biophysical properties over synthetic materials, including biocompatibility, ease of synthesis and purification, tunability, scalability, and lack of toxicity. These biomolecules have been used to develop a host of drug delivery platforms, such as peptide- and protein-drug conjugates, injectable particles, and drug depots to deliver small molecule drugs, therapeutic proteins, and nucleic acids. In this review, we discuss progress in engineering the architecture and biological functions of peptide-based biomaterials -naturally derived, chemically synthesized and recombinant- with a focus on the molecular features that modulate their structure-function relationships for drug delivery.
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Affiliation(s)
| | | | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
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8
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Cao J, Perez-Pinera P, Lowenhaupt K, Wu MR, Purcell O, de la Fuente-Nunez C, Lu TK. Versatile and on-demand biologics co-production in yeast. Nat Commun 2018; 9:77. [PMID: 29311542 PMCID: PMC5758815 DOI: 10.1038/s41467-017-02587-w] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 12/12/2017] [Indexed: 11/10/2022] Open
Abstract
Current limitations to on-demand drug manufacturing can be addressed by technologies that streamline manufacturing processes. Combining the production of two or more drugs into a single batch could not only be useful for research, clinical studies, and urgent therapies but also effective when combination therapies are needed or where resources are scarce. Here we propose strategies to concurrently produce multiple biologics from yeast in single batches by multiplexing strain development, cell culture, separation, and purification. We demonstrate proof-of-concept for three biologics co-production strategies: (i) inducible expression of multiple biologics and control over the ratio between biologic drugs produced together; (ii) consolidated bioprocessing; and (iii) co-expression and co-purification of a mixture of two monoclonal antibodies. We then use these basic strategies to produce drug mixtures as well as to separate drugs. These strategies offer a diverse array of options for on-demand, flexible, low-cost, and decentralized biomanufacturing applications without the need for specialized equipment.
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Affiliation(s)
- Jicong Cao
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,The Broad Institute of MIT and Harvard, Cambridge, MA, 02139, USA
| | - Pablo Perez-Pinera
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Ky Lowenhaupt
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Ming-Ru Wu
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Oliver Purcell
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Cesar de la Fuente-Nunez
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Timothy K Lu
- Synthetic Biology Group, Department of Biological Engineering and Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA. .,Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA. .,The Broad Institute of MIT and Harvard, Cambridge, MA, 02139, USA.
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9
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Wan A, Xu D, Liu K, Peng L, Cai Y, Chen Y, He Y, Yang J, Jin J, Li H. Efficient expression of stable recombinant human insulin-like growth factor-1 fusion with human serum albumin in Chinese hamster ovary cells. Prep Biochem Biotechnol 2017; 47:678-686. [PMID: 28281882 DOI: 10.1080/10826068.2017.1303612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Insulin-like growth factor-1 (IGF-1) plays a crucial role in cell development, differentiation, and metabolism, and has been a potential therapeutic agent for many diseases. Chinese hamster ovary (CHO) cells are widely used for production of recombinant therapeutic proteins, but the expression level of IGF-1 in CHO cells is very low (1,500 µg/L) and the half-life of IGF-1 in blood circulation is only 4.5 min according to previous studies. Therefore, IGF-1 was fused to long-circulating serum protein human serum albumin (HSA) and expressed in CHO cells. After 8-day fed-batch culture, the expression level of HSA-IGF-1 reached 100 mg/L. The fusion protein HSA-IGF-1 was purified with a recovery of 35% using a two-step chromatographic procedure. According to bioactivity assay, the purified HSA-IGF-1 could stimulate the proliferation of NIH3T3 cells in a dose-dependent fashion and promote the cell-cycle progression. Besides this, HSA-IGF-1 could bind to IGF-1 receptor on cell membrane and activate the intracellular PI3K/AKT signaling pathway. Our study suggested that HSA fusion technology carried out in CHO cells not only provided bioactivity in HSA-IGF-1 for further research but also offered a beneficial strategy to produce other similar cytokines in CHO cells.
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Affiliation(s)
- Aini Wan
- a The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology , Jiangnan University , Wuxi , China
| | - Dongsheng Xu
- b Laboratory of Molecular Pharmacology, School of Pharmaceutical Sciences , Jiangnan University , Wuxi , China
| | - Kedong Liu
- b Laboratory of Molecular Pharmacology, School of Pharmaceutical Sciences , Jiangnan University , Wuxi , China
| | - Lin Peng
- a The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology , Jiangnan University , Wuxi , China
| | - Yanfei Cai
- b Laboratory of Molecular Pharmacology, School of Pharmaceutical Sciences , Jiangnan University , Wuxi , China
| | - Yun Chen
- b Laboratory of Molecular Pharmacology, School of Pharmaceutical Sciences , Jiangnan University , Wuxi , China
| | - Yang He
- c Jiangsu Institute of Hematology , The First Affiliated Hospital of Soochow University , Suzhou , China
| | - Jianfeng Yang
- d Cyrus Tang Hematology Center and Ministry of Education Engineering Center of Hematological Disease , Soochow University , Suzhou , China
| | - Jian Jin
- b Laboratory of Molecular Pharmacology, School of Pharmaceutical Sciences , Jiangnan University , Wuxi , China
| | - Huazhong Li
- a The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology , Jiangnan University , Wuxi , China
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10
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Wang G, Huang M, Nielsen J. Exploring the potential of Saccharomyces cerevisiae for biopharmaceutical protein production. Curr Opin Biotechnol 2017; 48:77-84. [PMID: 28410475 DOI: 10.1016/j.copbio.2017.03.017] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 02/19/2017] [Accepted: 03/15/2017] [Indexed: 02/06/2023]
Abstract
Production of recombinant proteins by yeast plays a vital role in the biopharmaceutical industry. It is therefore desirable to develop yeast platform strains for over-production of various biopharmaceutical proteins, but this requires fundamental knowledge of the cellular machinery, especially the protein secretory pathway. Integrated analyses of multi-omics datasets can provide comprehensive understanding of cellular function, and can enable systems biology-driven and mathematical model-guided strain engineering. Rational engineering and introduction of trackable genetic modifications using synthetic biology tools, coupled with high-throughput screening are, however, also efficient approaches to relieve bottlenecks hindering high-level protein production. Here we review advances in systems biology and metabolic engineering of yeast for improving recombinant protein production.
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Affiliation(s)
- Guokun Wang
- Department of Biology and Biological Engineering, Chalmers University of Technology, SE41296 Gothenburg, Sweden
| | - Mingtao Huang
- Department of Biology and Biological Engineering, Chalmers University of Technology, SE41296 Gothenburg, Sweden; Novo Nordisk Foundation Center for Biosustainability, Chalmers University of Technology, SE41296 Gothenburg, Sweden
| | - Jens Nielsen
- Department of Biology and Biological Engineering, Chalmers University of Technology, SE41296 Gothenburg, Sweden; Novo Nordisk Foundation Center for Biosustainability, Chalmers University of Technology, SE41296 Gothenburg, Sweden; Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK2970 Hørsholm, Denmark.
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11
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Wan A, Miao Y, Peng L, Cai Y, Chen Y, He Y, Yang J, Jin J, Li H. Binding and biologic characterization of recombinant human serum albumin-eTGFBR2 fusion protein expressed in CHO cells. Bioengineered 2017; 8:600-612. [PMID: 28281868 DOI: 10.1080/21655979.2017.1292186] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Transforming growth factor-β1 (TGF-β1) signaling is involved in cell metabolism, growth, differentiation, carcinoma invasion and fibrosis development, which suggests TGF-β1 can be treated as a therapeutic target extensively. Because TGF-β1 receptor type α(TGFBR2) is the directed and essential mediator for TGF-β1 signals, the extracellular domain of TGFBR2 (eTGFBR2), binding partner for TGF-β1, has been produced in a series of expression systems to inhibit TGF-β1 signaling. However, eTGFBR2 is unstable with a short half-life predominantly because of enzymatic degradation and kidney clearance. In this study, a fusion protein consisting of human eTGFBR2 fused at the C-terminal of human serum albumin (HSA) was stably and highly expressed in Chinese Hamster Ovary (CHO) cells. The high and stable expression sub-clones with Ig kappa signal peptide were selected by Western blot analysis and used for suspension culture. After fed-batch culture over 8 d, the expression level of HSA-eTGFBR2 reached 180 mg/L. The fusion protein was then purified from culture medium using a 2-step chromatographic procedure that resulted in 39% recovery rate. The TGF-β1 binding assay revealed that HSA-eTGFBR2 could bind to TGF-β1 with the affinity constant (KD of 1.42 × 10-8 M) as determined by the ForteBio Octet System. In addition, our data suggested that HSA-eTGFBR2 exhibited a TGF-β1 neutralizing activity and maintained a long-term activity more than eTGFBR2. It concluded that the overexpressing CHO cell line supplied sufficient recombinant human HSA-eTGFBR2 for further research and other applications.
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Affiliation(s)
- Aini Wan
- a The Key Laboratory of Industrial Biotechnology , Ministry of Education, School of Biotechnology, Jiangnan University , Wuxi , China
| | - Yana Miao
- b Laboratory of Molecular Pharmacology , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , China
| | - Lin Peng
- a The Key Laboratory of Industrial Biotechnology , Ministry of Education, School of Biotechnology, Jiangnan University , Wuxi , China
| | - Yanfei Cai
- b Laboratory of Molecular Pharmacology , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , China
| | - Yun Chen
- b Laboratory of Molecular Pharmacology , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , China
| | - Yang He
- c Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University , Suzhou , China
| | - Jianfeng Yang
- d Cyrus Tang Hematology Center and Ministry of Education Engineering Center of Hematological Disease, Soochow University , Suzhou , China
| | - Jian Jin
- b Laboratory of Molecular Pharmacology , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , China
| | - Huazhong Li
- a The Key Laboratory of Industrial Biotechnology , Ministry of Education, School of Biotechnology, Jiangnan University , Wuxi , China
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12
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Guan B, Chen F, Su S, Duan Z, Chen Y, Li H, Jin J. Effects of co-overexpression of secretion helper factors on the secretion of a HSA fusion protein (IL2-HSA) in pichia pastoris. Yeast 2016; 33:587-600. [PMID: 27532278 DOI: 10.1002/yea.3183] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 07/18/2016] [Accepted: 07/29/2016] [Indexed: 11/12/2022] Open
Abstract
Pichia pastoris is generally considered as an expression host for heterologous proteins with the coding gene under control of the alcohol oxidase 1 (AOX1) promoter. The secretion of heterologous proteins in P. pastoris can be potentially affected by many factors. Based on our previous results, the secretion levels of human albumin (HSA) fusion protein IL2-HSA were only around 500 mg/L or less in fermentor cultures, which decreased more than 50% compared with that of HSA (>1 g/L). In this study, we selected five potential secretion helper factors, in which Ero1, Pdi1 and Kar2 were involved in protein folding and Sec1 and Sly1 were involved in vesicle trafficking. We evaluated the possible effects of individual overexpression of these secretion helper factors on the secretion of IL2-HSA in P. pastoris. Constitutive overexpression of the five selected secretion factors did not have an obvious negative effect on cell growth of the IL2-HSA secreting strain. Individual co-overexpression of Ero1, Kar2, Pdi1, Sec1 and Sly1 improved the secretion level of IL2-HSA to ~2.3-, 1.9-, 2.2-, 2.5- and 1.9-fold that in the control strain respectively in shake flasks. We evaluated the changes in mRNA and protein levels of the intracellular IL2-HSA, as well as the secretion helper factor genes in the co-overexpressing strains. Our results indicated that manipulating the expression level of ER resident protein Pdi1, Ero1, Kar2 and SM protein Sec1 and Sly1 could improve the secretion level of IL2-HSA fusion protein in P. pastoris, which provided new candidates for combinatorial engineering in future study. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Bo Guan
- School of Food Science, Shihezi University, Shihezi, China
| | - Fengxiang Chen
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Shuai Su
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Zuoying Duan
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Yun Chen
- Laboratory of Drug Design axnd Molecular Pharmacology, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
| | - Huazhong Li
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jian Jin
- Laboratory of Drug Design axnd Molecular Pharmacology, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
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13
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Parker SA, Maloy MH, Tome-Amat J, Bardliving CL, Batt CA, Lanz KJ, Olesberg JT, Arnold MA. Optimization of norovirus virus-like particle production inPichia pastorisusing a real-time near-infrared bioprocess monitor. Biotechnol Prog 2016; 32:518-26. [DOI: 10.1002/btpr.2224] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/02/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Stephanie A. Parker
- Dept. of Biomedical Engineering; Cornell University; 357 Stocking Hall Ithaca, NY 14853 Ithaca NY
| | | | - Jaime Tome-Amat
- Dept. of Microbiology; Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai; New York NY
| | | | - Carl A. Batt
- Dept. of Food Science; Cornell University; Ithaca NY
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Li L, Guo Q, Liu J, Zhang J, Yin Y, Dong D, Fu L, Xu J, Chen W. Recombinant HSA-CMG2 Is a Promising Anthrax Toxin Inhibitor. Toxins (Basel) 2016; 8:toxins8010028. [PMID: 26805881 PMCID: PMC4728550 DOI: 10.3390/toxins8010028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/25/2015] [Accepted: 01/13/2016] [Indexed: 12/20/2022] Open
Abstract
Anthrax toxin is the major virulence factor produced by Bacillus anthracis. Protective antigen (PA) is the key component of the toxin and has been confirmed as the main target for the development of toxin inhibitors. The inhibition of the binding of PA to its receptor, capillary morphogenesis protein-2 (CMG2), can effectively block anthrax intoxication. The recombinant, soluble von Willebrand factor type A (vWA) domain of CMG2 (sCMG2) has demonstrated potency against anthrax toxin. However, the short half-life of sCMG2 in vivo is a disadvantage for its development as a new anthrax drug. In the present study, we report that HSA-CMG2, a protein combining human serum albumin (HSA) and sCMG2, produced in the Pichia pastoris expression system prolonged the half-life of sCMG2 while maintaining PA binding ability. The IC50 of HSA-CMG2 is similar to those of sCMG2 and CMG2-Fc in in vitro toxin neutralization assays, and HSA-CMG2 completely protects rats from lethal doses of anthrax toxin challenge; these same challenge doses exceed sCMG2 at a sub-equivalent dose ratio and overwhelm CMG2-Fc. Our results suggest that HSA-CMG2 is a promising inhibitor of anthrax toxin and may contribute to the development of novel anthrax drugs.
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Affiliation(s)
- Liangliang Li
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
- Center for Disease Control and Prevention of Navy, Beijing 101113, China.
| | - Qiang Guo
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Ju Liu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Jun Zhang
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Ying Yin
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Dayong Dong
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Ling Fu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Junjie Xu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
| | - Wei Chen
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing 100071, China.
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Li L, Fan D, Ma X, Deng J, He J. High-level secretory expression and purification of unhydroxylated human collagen α1(III) chain inPichia pastorisGS115. Biotechnol Appl Biochem 2015; 62:467-75. [DOI: 10.1002/bab.1297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 09/12/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Linbo Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials; Northwest University; Shaanxi People's Republic of China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering; School of Chemical Engineering; Northwest University; Xi'an People's Republic of China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials; Northwest University; Shaanxi People's Republic of China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering; School of Chemical Engineering; Northwest University; Xi'an People's Republic of China
| | - Xiaoxuan Ma
- Shaanxi Key Laboratory of Degradable Biomedical Materials; Northwest University; Shaanxi People's Republic of China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering; School of Chemical Engineering; Northwest University; Xi'an People's Republic of China
| | - Jianjun Deng
- Shaanxi Key Laboratory of Degradable Biomedical Materials; Northwest University; Shaanxi People's Republic of China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering; School of Chemical Engineering; Northwest University; Xi'an People's Republic of China
| | - Jing He
- Shaanxi Key Laboratory of Degradable Biomedical Materials; Northwest University; Shaanxi People's Republic of China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering; School of Chemical Engineering; Northwest University; Xi'an People's Republic of China
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Li F, Meng F, Jin Q, Sun C, Li Y, Li H, Jin S. Fusion protein of single-chain variable domain fragments for treatment of myasthenia gravis. Neural Regen Res 2014; 9:851-6. [PMID: 25206900 PMCID: PMC4146252 DOI: 10.4103/1673-5374.131611] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2014] [Indexed: 11/11/2022] Open
Abstract
Single-chain variable domain fragment (scFv) 637 is an antigen-specific scFv of myasthenia gravis. In this study, scFv and human serum albumin genes were conjugated and the fusion protein was expressed in Pichia pastoris. The affinity of scFv-human serum albumin fusion protein to bind to acetylcholine receptor at the neuromuscular junction of human intercostal muscles was detected by immunofluorescence staining. The ability of the fusion protein to block myasthenia gravis patient sera binding to acetylcholine receptors and its stability in healthy serum were measured by competitive ELISA. The results showed that the inhibition rate was 2.0-77.4%, and the stability of fusion protein in static healthy sera was about 3 days. This approach suggests the scFv-human serum albumin is a potential candidate for specific immunosuppressive therapy of myasthenia gravis.
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Affiliation(s)
- Fangfang Li
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Fanping Meng
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Quanxin Jin
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Changyuan Sun
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Yingxin Li
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Honghua Li
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
| | - Songzhu Jin
- Department of Immunology and Pathogenic Biology, College of Medicine, Yanbian University, Yanji, Jilin Province, China
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The effect of albumin fusion structure on the production and bioactivity of the somatostatin-28 fusion protein in Pichia pastoris. ACTA ACUST UNITED AC 2014; 41:997-1006. [DOI: 10.1007/s10295-014-1440-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 03/14/2014] [Indexed: 11/26/2022]
Abstract
Abstract
Somatostatin, a natural inhibitor of growth hormone (GH), and its analogs have been used in clinical settings for the treatment of acromegaly, gigantism, thyrotropinoma, and other carcinoid syndromes. However, natural somatostatin is limited for clinical usage because of its short half-life in vivo. Albumin fusion technology was used to construct long-acting fusion proteins and Pichia pastoris was used as an expression system. Three fusion proteins (SS28)2-HSA, (SS28)3-HSA, and HSA-(SS28)2, were constructed with different fusion copies of somatostatin-28 and fusion orientations. The expression level of (SS28)3-HSA was much lower than (SS28)2-HSA and HSA-(SS28)2 due to the additional fusion of the somatostatin-28 molecule. MALDI-TOF mass spectrometry revealed that severe degradation occurred in the fermentation process. Similar to the standard, somatostatin-14, all three fusion proteins were able to inhibit GH secretion in blood, with (SS28)2-HSA being the most effective one. A pharmacokinetics study showed that (SS28)2-HSA had a prolonged half-life of 2 h. These results showed that increasing the number of small protein copies fused to HSA may not be a suitable method for improving protein bioactivity.
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Expression, Identification and Characterize of CD25-Binding Epitope Modified Human IL-2 in Pichia pastoris. Indian J Microbiol 2014; 53:283-7. [PMID: 24426123 DOI: 10.1007/s12088-013-0366-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 01/29/2013] [Indexed: 02/04/2023] Open
Abstract
Interleukin-2 (IL-2) plays important roles in variety of immune functions and it is widely used in the medication. But in recent years it was reported that vascular leak syndrome (VLS) was induced by IL-2. Evidences showed that the interaction of IL-2 and IL-2Rαβγ (CD25) caused VLS. Thus, this experiment modified the CD25-binding epitope in human IL-2 (hIL-2) to minimize the side effect of IL-2 in the medication. In this study, a recombinant human interleukin 2 (rhIL-2) was expressed in Pichia (P.) pastoris. An effective strategy was established to express rhIL-2 protein in 120 L scale and the optimal purification procedure was investigated. The purity of rhIL-2 in final product was about 98 % and the concentration of the rhIL-2 was 0.45 mg/mL. Bioactivity analysis showed that the purified rhIL-2 protein displayed high activity on proliferation of CTLL-2 cells and increased the ratio of CD4(+)/CD8(+). It indicates that the target protein is expressed and the character of the rhIL-2 has high activity. This study provides a strategy for large-scale production of bioactive rhIL-2 protein using P. pastoris as an expression host.
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Guan B, Chen F, Lei J, Li Y, Duan Z, Zhu R, Chen Y, Li H, Jin J. Constitutive Expression of a rhIL-2-HSA Fusion Protein in Pichia pastoris Using Glucose as Carbon Source. Appl Biochem Biotechnol 2013; 171:1792-804. [DOI: 10.1007/s12010-013-0423-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2013] [Accepted: 08/05/2013] [Indexed: 01/30/2023]
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Tian S, Li Q, Yao W, Xu C. Construction and characterization of a potent, long-lasting recombinant human serum albumin-interferon α1 fusion protein expressed in Pichia pastoris. Protein Expr Purif 2013; 90:124-8. [DOI: 10.1016/j.pep.2013.05.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 05/08/2013] [Accepted: 05/09/2013] [Indexed: 11/17/2022]
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