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Liu X, Wang X, Xu L, Fan J, Yuan Q, Zhang F, Liu J, Qiu X, Li Y, Xia C, Liu H. Targeting delivery of a novel TGF-β type I receptor-mimicking peptide to activated hepatic stellate cells for liver fibrosis therapy via inhibiting the TGF-β1/Smad and p38 MAPK signaling pathways. Eur J Pharmacol 2024; 977:176708. [PMID: 38843945 DOI: 10.1016/j.ejphar.2024.176708] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 06/23/2024]
Abstract
Excessive transforming growth factor β1 (TGF-β1) secreted by activated hepatic stellate cells (aHSCs) aggravates liver fibrosis via over-activation of TGF-β1-mediated signaling pathways in a TGF-β type I receptor (TβRI) dependent manner. TβRI with the C-terminal valine truncated (RIPΔ), as a novel TβRI-mimicking peptide, is an appealing anti-fibrotic candidate by competitive binding of TGF-β1 to block TGF-β1 signal transduction. Platelet-derived growth factor receptor β (PDGFβR) is highly expressed on the surface of aHSCs in liver fibrosis. Herein, we designed a novel RIPΔ variant Z-RIPΔ (PDGFβR-specific affibody ZPDGFβR fused to the N-terminus of RIPΔ) for liver fibrosis therapy, and expect to improve the anti-liver fibrosis efficacy by specifically inhibiting the TGF-β1 activity in aHSCs. Target peptide Z-RIPΔ was prepared in Escherichia coli by SUMO fusion system. Moreover, Z-RIPΔ specifically bound to TGF-β1-activated aHSCs, inhibited cell proliferation and migration, and reduced the expression of fibrosis markers (α-SMA and FN) and TGF-β1 pathway-related effectors (p-Smad2/3 and p-p38) in vitro. Furthermore, Z-RIPΔ specifically targeted the fibrotic liver, alleviated the liver histopathology, mitigated the fibrosis responses, and blocked TGF-β1-mediated Smad and p38 MAPK cascades. More importantly, Z-RIPΔ exhibited a higher fibrotic liver-targeting capacity and stronger anti-fibrotic effects than its parent RIPΔ. Besides, Z-RIPΔ showed no obvious toxicity effects in treating both an in vitro cell model and an in vivo mouse model of liver fibrosis. In conclusion, Z-RIPΔ represents a promising targeted candidate for liver fibrosis therapy.
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Affiliation(s)
- Xiaohui Liu
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Xiaohua Wang
- Laboratory of Pathogenic Microbiology and Immunology, Mudanjiang Medical University, Mudanjiang, 157011, PR China; Department of Cell Biology, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Liming Xu
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Junjie Fan
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Qi Yuan
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Fan Zhang
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Jieting Liu
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Xiaowen Qiu
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Yanqiu Li
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Caiyun Xia
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China
| | - Haifeng Liu
- Heilongjiang Province Key Laboratory for Anti-fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, 157011, PR China; Laboratory of Pathogenic Microbiology and Immunology, Mudanjiang Medical University, Mudanjiang, 157011, PR China.
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Wang Y, Kim M, Buckley C, Maynard HD, Langley RJ, Perry JK. Growth hormone receptor agonists and antagonists: From protein expression and purification to long-acting formulations. Protein Sci 2023; 32:e4727. [PMID: 37428391 PMCID: PMC10443362 DOI: 10.1002/pro.4727] [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: 03/20/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/11/2023]
Abstract
Recombinant human growth hormone (rhGH) and GH receptor antagonists (GHAs) are used clinically to treat a range of disorders associated with GH deficiency or hypersecretion, respectively. However, these biotherapeutics can be difficult and expensive to manufacture with multiple challenges from recombinant protein generation through to the development of long-acting formulations required to improve the circulating half-life of the drug. In this review, we summarize methodologies and approaches used for making and purifying recombinant GH and GHA proteins, and strategies to improve pharmacokinetic and pharmacodynamic properties, including PEGylation and fusion proteins. Therapeutics that are in clinical use or are currently under development are also discussed.
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Affiliation(s)
- Yue Wang
- Liggins Institute, University of AucklandAucklandNew Zealand
- Maurice Wilkins Centre for Molecular BiodiscoveryAucklandNew Zealand
| | - Minah Kim
- Liggins Institute, University of AucklandAucklandNew Zealand
| | - Chantal Buckley
- Liggins Institute, University of AucklandAucklandNew Zealand
| | - Heather D. Maynard
- Department of Chemistry and Biochemistry and the California NanoSystems InstituteUniversity of CaliforniaLos AngelesCaliforniaUSA
| | - Ries J. Langley
- Maurice Wilkins Centre for Molecular BiodiscoveryAucklandNew Zealand
- Department of Molecular Medicine and PathologyUniversity of AucklandAucklandNew Zealand
| | - Jo K. Perry
- Liggins Institute, University of AucklandAucklandNew Zealand
- Maurice Wilkins Centre for Molecular BiodiscoveryAucklandNew Zealand
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Molecular Cloning, Expression, Sequence Characterization and Structural Insight of Bubalus bubalis Growth Hormone-Receptor. Mol Biotechnol 2022:10.1007/s12033-022-00612-y. [DOI: 10.1007/s12033-022-00612-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 11/14/2022] [Indexed: 11/28/2022]
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4
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Rigi G, Rostami A, Ghomi H, Ahmadian G, Mirbagheri VS, Jeiranikhameneh M, Vahed M, Rahimi S. Optimization of expression, purification and secretion of functional recombinant human growth hormone in Escherichia coli using modified staphylococcal protein a signal peptide. BMC Biotechnol 2021; 21:51. [PMID: 34399745 PMCID: PMC8369807 DOI: 10.1186/s12896-021-00701-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/10/2021] [Indexed: 11/10/2022] Open
Abstract
Background Human Growth Hormone (hGH) is a glycoprotein released from the pituitary gland. Due to the wide range of effects in humans, any disruption in hGH secretion could have serious consequences. This highlights the clinical importance of hGH production in the treatment of different diseases associated with a deficiency of this hormone. The production of recombinant mature hormone in suitable hosts and secretion of this therapeutic protein into the extracellular space can be considered as one of the best cost-effective approaches not only to obtain the active form of the protein but also endotoxin-free preparation. Since the natural growth hormone signal peptide is of eukaryotic origin and is not detectable by any of the Escherichia coli secretory systems, including Sec and Tat, and is therefore unable to secrete hGH in the prokaryotic systems, designing a new and efficient signal peptide is essential to direct hGh to the extracellular space. Results In this study, using a combination of the bioinformatics design and molecular genetics, the protein A signal peptide from Staphylococcus aureus was modified, redesigned and then fused to the mature hGH coding region. The recombinant hGH was then expressed in E. coli and successfully secreted to the medium through the Sec pathway. Secretion of the hGH into the medium was verified using SDS-PAGE and western blot analysis. Recombinant hGH was then expressed in E. coli and successfully secreted into cell culture medium via the Sec pathway. The secretion of hGH into the extracellular medium was confirmed by SDS-PAGE and Western blot analysis. Furthermore, the addition of glycine was shown to improve hGH secretion onto the culture medium. Equations for determining the optimal conditions were also determined. Functional hGH analysis using an ELISA-based method confirmed that the ratio of the active form of secreted hGH to the inactive form in the periplasm is higher than this ratio in the cytoplasm. Conclusions Since the native signal protein peptide of S. aureus protein A was not able to deliver hGH to the extracellular space, it was modified using bioinformatics tools and fused to the n-terminal region of hGh to show that the redesigned signal peptide was functional. Supplementary Information The online version contains supplementary material available at 10.1186/s12896-021-00701-x.
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Affiliation(s)
- Garshasb Rigi
- Department of Genetics, Faculty of Basic Science, Shahrekord University, P. O. Box 115, Shahrekord, 881 863 4141, Iran.,Department of Industrial Biotechnology, Research Institute of Biotechnology, Shahrekord University, Shahrekord, Iran
| | - Amin Rostami
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Habib Ghomi
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Gholamreza Ahmadian
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
| | - Vasiqe Sadat Mirbagheri
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.,Fisheries products processing group, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Meisam Jeiranikhameneh
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Majid Vahed
- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Niayesh Highway, Valiasr Ave, Tehran, Iran.,Department of Toxico/Pharmacology, School of Pharmacy, Shahid Beheshti, University of Medical Sciences, Niayesh Highway, Valiasr Ave, Tehran, Iran
| | - Sahel Rahimi
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Rasteniene A, Gruskiene R, Sereikaite J. Interaction of ectoine and hydroxyectoine with protein: fluorescence study. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01527-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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6
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Tripathi NK, Karothia D, Shrivastava A, Banger S, Kumar JS. Enhanced production and immunological characterization of recombinant West Nile virus envelope domain III protein. N Biotechnol 2018; 46:7-13. [PMID: 29768182 DOI: 10.1016/j.nbt.2018.05.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 05/04/2018] [Accepted: 05/06/2018] [Indexed: 12/18/2022]
Abstract
West Nile virus (WNV) is an emerging mosquito-borne virus which is responsible for severe and fatal encephalitis in humans and for which there is no licensed vaccine or therapeutic available to prevent infection. The envelope domain III protein (EDIII) of WNV was over-expressed in Escherichia coli and purified using a two-step chromatography process which included immobilized metal affinity chromatography and ion exchange chromatography. E. coli cells were grown in a bioreactor to high density using batch and fed-batch cultivation. Wet biomass obtained after batch and fed-batch cultivation processes was 11.2 g and 84 g/L of culture respectively. Protein yield after affinity purification was 5.76 mg and 5.81 mg/g wet cell weight after batch and fed-batch processes respectively. The purified WNV EDIII elicited specific antibodies in rabbits, confirming its immunogenicity. Moreover, the antibodies were able to neutralize WNV in vitro. These results established that the refolded and purified WNV EDIII could be a potential vaccine candidate.
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Affiliation(s)
- Nagesh K Tripathi
- Bioprocess Scale Up Facility, Defence Research and Development Establishment, Jhansi Road, Gwalior, 474002, India.
| | - Divyanshi Karothia
- Division of Virology, Defence Research and Development Establishment, Jhansi Road, Gwalior, 474002, India
| | - Ambuj Shrivastava
- Division of Virology, Defence Research and Development Establishment, Jhansi Road, Gwalior, 474002, India
| | - Swati Banger
- Bioprocess Scale Up Facility, Defence Research and Development Establishment, Jhansi Road, Gwalior, 474002, India
| | - Jyoti S Kumar
- Division of Virology, Defence Research and Development Establishment, Jhansi Road, Gwalior, 474002, India
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7
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Tripathi NK, Shrivastava A. Evaluation of antibody response against recombinant domain III proteins of dengue virus type 1 and 2. AIMS Microbiol 2017; 3:248-266. [PMID: 31294159 PMCID: PMC6605013 DOI: 10.3934/microbiol.2017.2.248] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 04/05/2017] [Indexed: 11/18/2022] Open
Abstract
Dengue, a mosquito borne viral disease caused by dengue virus has emerged as a major health problem during the last few decades. The envelope domain III (DIII) protein of dengue virus is highly immunogenic and capable of inducing neutralizing antibodies against wild-type dengue virus. The envelope domain III protein is a potential subunit vaccine candidate as well as a diagnostic reagent for dengue. This report describes the high yield production and immunogenicity of recombinant DIII proteins of dengue virus type 1 and 2. The subunit DIII proteins were produced in Escherichia coli using batch and fed-batch fermentation process. Immobilized metal affinity chromatography was used to capture DIII proteins of dengue virus type 1 and 2. The purified proteins were refolded by diafiltration to achieve biologically active proteins. After fed-batch fermentation, the recombinant E. coli resulted in purified DIII proteins of about 10.06 mg and 47.70 mg per gram of dry cell weight for recombinant dengue virus type 1 and 2 respectively with more than 95% purity. Biological function of the purified DIII proteins were confirmed by their ability to generate DIII specific antibodies in mice. The DIII antigens in combination with adjuvant resulted antibody endpoint titers of 1:64,000 and 1:1,28,000 for recombinant dengue virus type 1 and 2 respectively. These findings establish that the DIII proteins in combination with adjuvant are immunogenic, which suggests that refolded and purified DIII proteins can be a potential vaccine candidates.
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Affiliation(s)
- Nagesh K Tripathi
- Bioprocess Scale up Facility, Defence Research and Development Establishment, Jhansi Road, Gwalior-474002, India
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8
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Tripathi NK. Production and Purification of Recombinant Proteins fromEscherichia coli. CHEMBIOENG REVIEWS 2016. [DOI: 10.1002/cben.201600002] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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9
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Tripathi NK, Biswal KC, Rao PVL. Scaling Up of Recombinant Dengue Virus Type 3 Envelope Domain III Protein Production from Escherichia coli. Ind Biotechnol (New Rochelle N Y) 2015. [DOI: 10.1089/ind.2015.0021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Nagesh K. Tripathi
- Bioprocess Scale up Facility, Defence Research and Development Establishment, Gwalior, India
| | - Karttik C. Biswal
- Department of Chemical Engineering, National Institute of Technology, Rourkela, India
| | - P. V. Lakshmana Rao
- Bioprocess Scale up Facility, Defence Research and Development Establishment, Gwalior, India
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Yang F, Pan Y, Chen Y, Tan S, Jin M, Wu Z, Huang J. Expression and purification of Canis interferon α in Escherichia coli using different tags. Protein Expr Purif 2015. [DOI: 10.1016/j.pep.2015.07.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Cirkovas A, Sereikaite J. Influence ofl-homoarginine as an analogue ofl-arginine on the heat-induced aggregation of proteins. Biotechnol Prog 2015; 31:808-14. [DOI: 10.1002/btpr.2081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 03/06/2015] [Indexed: 01/11/2023]
Affiliation(s)
- Andrejus Cirkovas
- Dept. of Chemistry and Bioengineering; Vilnius Gediminas Technical University; Vilnius Lithuania
| | - Jolanta Sereikaite
- Dept. of Chemistry and Bioengineering; Vilnius Gediminas Technical University; Vilnius Lithuania
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12
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Vaz MRF, de Sousa Junior FC, Costa LMR, dos Santos ES, Martins DRA, de Macedo GR. Optimization of culture medium for cell growth and expression of 648 antigen from Leishmania infantum chagasi in recombinant Escherichia coli M15. ANN MICROBIOL 2014. [DOI: 10.1007/s13213-014-1000-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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13
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Murad H, Ali B, Makeya R, Abbady AQ. Prokaryotic overexpression of TEV–rhGH and characterization of its polyclonal antibody. Gene 2014; 542:69-76. [DOI: 10.1016/j.gene.2014.02.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Revised: 12/12/2013] [Accepted: 02/07/2014] [Indexed: 11/25/2022]
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Increase in the Solubility of Recombinant Mink Growth Hormone at Low Cultivation Temperature ofE. Coli. BIOTECHNOL BIOTEC EQ 2014. [DOI: 10.2478/v10133-010-0076-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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15
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Bu D, Zhou Y, Tang J, Jing F, Zhang W. Expression and purification of a novel therapeutic single-chain variable fragment antibody against BNP from inclusion bodies of Escherichia coli. Protein Expr Purif 2013; 92:203-7. [DOI: 10.1016/j.pep.2013.10.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Revised: 09/26/2013] [Accepted: 10/02/2013] [Indexed: 12/01/2022]
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Development of a pilot-scale production process and characterization of a recombinant Japanese encephalitis virus envelope domain III protein expressed in Escherichia coli. Appl Microbiol Biotechnol 2012; 95:1179-89. [PMID: 22562165 DOI: 10.1007/s00253-012-4100-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Revised: 04/10/2012] [Accepted: 04/11/2012] [Indexed: 10/28/2022]
Abstract
Japanese encephalitis virus (JEV) is the most important cause of encephalitis in most Asian regions. JEV envelope domain III (JEV EDIII) protein is involved in binding to host receptors, and it contains specific epitopes that elicit virus-neutralizing antibodies. A highly immunogenic, recombinant JEV EDIII protein was expressed in Escherichia coli. In order to take this vaccine candidate for further studies, recombinant JEV EDIII protein was produced employing a pilot-scale fermentation process. Recombinant JEV EDIII protein expressed as inclusion bodies (IBs) was solubilized in 8 M urea and renatured by on-column refolding protocol in the presence of glycerol. A three-step purification process comprising of affinity chromatography, ion-exchange chromatography (IEX) based on salt, and IEX based on pH was developed. About ~124 mg of highly purified and biologically active EDIII protein was obtained from 100 g of biomass. Biological function of the purified EDIII protein was confirmed by their ability to generate EDIII-specific antibodies in mice that could neutralize the virus. These findings suggest that recombinant JEV EDIII protein in combination with compatible adjuvant is highly immunogenic and elicit high-titer neutralizing antibodies. Thus, recombinant JEV EDIII protein produced at large scale can be a potential vaccine candidate.
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Optimized refolding and characterization of active C-terminal ADAMTS-18 fragment from inclusion bodies of Escherichia coli. Protein Expr Purif 2012; 82:32-6. [DOI: 10.1016/j.pep.2011.11.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2011] [Revised: 11/08/2011] [Accepted: 11/09/2011] [Indexed: 11/23/2022]
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Zilinskas A, Sereikaite J. Probing of some compounds as anti-aggregatory additives in the protein refolding process from Escherichia coli inclusion bodies. Biotechnol Appl Biochem 2011; 58:277-84. [PMID: 21838803 DOI: 10.1002/bab.40] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Five compounds of different chemical structure were tested for aggregation suppression during the refolding of porcine and mink growth hormones as model proteins from Escherichia coli inclusion bodies by the dilution method. Of all compounds tested in this work, 3-guanidinopropionic acid (GPA) containing a guanidinium group was the most effective additive for aggregation suppression. Anti-aggregatory properties of GPA were compared with the ones of l-arginine.
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Affiliation(s)
- Albinas Zilinskas
- Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Lithuania
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19
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Cirkovas A, Sereikaite J. Different effects of l-arginine on the heat-induced unfolding and aggregation of proteins. Biologicals 2011; 39:181-8. [DOI: 10.1016/j.biologicals.2011.04.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Revised: 03/18/2011] [Accepted: 04/07/2011] [Indexed: 11/30/2022] Open
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Cirkovas A, Sereikaite J. Probing of l-Arginine as an Additive for the Temperature-Induced Aggregation of Veterinary Growth Hormones: Fluorescence Study. Mol Biotechnol 2011; 49:11-8. [DOI: 10.1007/s12033-010-9370-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Cao P, Yu J, Lu W, Cai X, Wang Z, Gu Z, Zhang J, Ye T, Wang M. Expression and purification of an antitumor-analgesic peptide from the venom of Mesobuthus martensii Karsch by small ubiquitin-related modifier fusion in Escherichia coli. Biotechnol Prog 2010; 26:1240-4. [DOI: 10.1002/btpr.433] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Khan MA, Sadaf S, Sajjad M, Waheed Akhtar M. Production enhancement and refolding of caprine growth hormone expressed in Escherichia coli. Protein Expr Purif 2009; 68:85-9. [PMID: 19477280 DOI: 10.1016/j.pep.2009.05.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2009] [Revised: 05/20/2009] [Accepted: 05/20/2009] [Indexed: 10/20/2022]
Abstract
This study describes comparison between IPTG and lactose induction on expression of caprine growth hormone (cGH), enhancing cell densities of Escherichia coli cultures and refolding the recombinant cGH, produced as inclusion bodies, to biologically active state. 2-3 times higher cell densities were obtained in shake flask cultures when induction was done with lactose showing almost same level of expression as in case of IPTG induction. With lactose induction highest cell densities were achieved in TB (OD(600) 16.3) and M9NG (OD(600) 16.1) media, producing 885 and 892 mg cGH per liter of the culture, respectively. Lactose induction done at mid-exponential stage resulted in a higher cell density and thus higher product yield. cGH over-expressed as inclusion bodies was solubilized in 50 mM Tris-Cl buffer (pH 12.5) containing 2 M urea, followed by dilution and lowering the pH in a step-wise manner to obtain the final solution in 50mM Tris-Cl (pH 9.5). The cGH was purified by Q-Sepharose chromatography followed by gel filtration with a recovery yield of 39% on the basis of total cell proteins. The product thus obtained showed a single band by SDS-PAGE analysis. MALDI-TOF analysis showed a single peak with a mass of 21,851 dalton, which is very close to its calculated molecular weight. A bioassay based on proliferation of Nb2 rat lymphoma cells showed that the purified cGH was biologically active.
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Affiliation(s)
- Muhammad Altaf Khan
- School of Biological Sciences, University of the Punjab, Lahore 54590, Pakistan
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Anti-aggregatory effect of cyclodextrins in the refolding process of recombinant growth hormones from Escherichia coli inclusion bodies. Int J Biol Macromol 2009; 44:428-34. [PMID: 19428477 DOI: 10.1016/j.ijbiomac.2009.03.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Revised: 03/16/2009] [Accepted: 03/16/2009] [Indexed: 11/22/2022]
Abstract
Cyclodextrins with different ring size and ring substituents were tested for recombinant mink and porcine growth hormones aggregation suppression in the refolding process from Escherichia coli inclusion bodies. Methyl-beta-cyclodextrin and 2-hydroxypropyl-beta-cyclodextrin show a positive effect on the aggregation suppression of both proteins. The influence of different methyl-beta-cyclodextrin and 2-hydroxypropyl-beta-cyclodextrin concentrations on the renaturation yield of both growth hormones was investigated. Moreover, methyl-beta-cyclodextrin and 2-hydroxypropyl-beta-cyclodextrin suppress not only folding-related, but also temperature-related aggregates formation of both proteins. Circular dichroism experiments (monitoring of protein solution turbidity by registering high tension voltage) showed that the onset temperature of aggregation of both growth hormones increased with increasing 2-hydroxypropyl-beta-cyclodextrin concentration. In conclusion, cyclodextrins have perspectives in biotechnology of veterinary growth hormones not only for protein production, but also for its storage.
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Borromeo V, Sereikaite J, Bumelis VA, Secchi C, Scirè A, Ausili A, D'Auria S, Tanfani F. Mink growth hormone structural-functional relationships: effects of renaturing and storage conditions. Protein J 2008; 27:170-80. [PMID: 18080174 DOI: 10.1007/s10930-007-9120-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Fourier-transform infrared spectroscopy, in vitro bioassay and enzyme-linked immunoassay were used to study the structural-functional relationships of recombinant mink growth hormone (mGH), refolded and stored under different conditions. Porcine GH (pGH) was synthesized and used as an example. These two hormones, when refolded and stored the same way, had the same secondary structures, biological and immunological efficacy, and biological potency. Only the immunological potency differed, mGH being significantly less potent than pGH. Renaturation pH and storing frozen or at 4 degrees C in 5% glycerol did not affect either the secondary structure or the activity. However, freeze-drying raised the content of buried alpha-helices and lowered that of solvated alpha-helices and of unordered structures. These conformational changes were associated with a reduction of immunological and biological potency of mGH and of immunological potency of pGH. These findings provide original information on the secondary structure of mGH, and show that conformational changes induced by lyophilization adversely affect its activity.
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Affiliation(s)
- Vitaliano Borromeo
- Department of Animal Pathology and Health, Faculty of Veterinary Medicine, University of Milan, Milan, Italy.
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Sun Z, Xia Z, Bi F, Liu JN. Expression and purification of human urodilatin by small ubiquitin-related modifier fusion in Escherichia coli. Appl Microbiol Biotechnol 2008; 78:495-502. [DOI: 10.1007/s00253-007-1330-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2007] [Revised: 12/11/2007] [Accepted: 12/11/2007] [Indexed: 10/22/2022]
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Bajorunaite E, Sereikaite J, Bumelis VA. l-Arginine Suppresses Aggregation of Recombinant Growth Hormones in Refolding Process from E. coli Inclusion Bodies. Protein J 2007; 26:547-55. [PMID: 17823856 DOI: 10.1007/s10930-007-9096-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
L-Arginine was used to suppress the aggregation of recombinant mink and porcine growth hormones in the refolding process from E. coli inclusion bodies by solubilization-dilution protocol at high protein concentration and pH 8.0. The influence of L-arginine concentration on the renaturation yield of both proteins was investigated. L-Arginine effectively suppressed the precipitation of growth hormones during dilution, but did not inhibit soluble oligomers formation. The results of mink and porcine growth hormones purification from 4 g of biomass are presented.
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Affiliation(s)
- Egle Bajorunaite
- Department of Chemistry and Bioengineering, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, Sauletekio al. 11, 10223, Vilnius-40, Lithuania
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