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de Oliveira TA, Silva WD, da Rocha Torres N, Badaró de Moraes JV, Senra RL, de Oliveira Mendes TA, Júnior AS, Bressan GC, Fietto JLR. Application of the LEXSY Leishmania tarentolae system as a recombinant protein expression platform: A review. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.08.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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马 洁, 吴 乐, 丁 向, 李 志, 王 盛. [Transient expression of bioactive recombinant human plasminogen activator in tobacco leaf]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2019; 39:515-522. [PMID: 31140413 PMCID: PMC6743930 DOI: 10.12122/j.issn.1673-4254.2019.05.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To assess the potential of transient expression of recombinant human plasminogen activator (rhPA) in plants as a cost-effective approach for recombinant rhPA production. METHODS Tobacco mosaic virus-based expression vector pTMV rhPA-NSK and plant binary expression vector pJ Zera-rhPA were constructed by in vitro sequence synthesis and subcloning. The two vectors were inoculated on either Nicotiana benthamiana or N. excelsiana leaves via agroinfiltration. The expression of recombinant rhPA in Nicotiana leaves was examined using Western blotting and ELISA, and the in vitro fibrinolysis activity of plant-produced rhPA was assessed by fibrin agarose plate assay (FAPA). RESULTS Five to nine days after infiltration with an Agrobacterium inoculum containing pTMV rhPA-NSK, necrosis appeared in the infiltrated area on the leaves of both Nicotiana plants, but intact recombinant rhPA was still present in the necrotic leaf tissues. The accumulation level of recombinant rhPA in infiltrated N. benthamiana leaves was significantly higher than that in N. excelsiana leaves (P < 0.05). The yield of recombinant rhPA was up to 0.6% of the total soluble protein (or about 60.0 μg per gram) in the fresh leaf biomass at 7 days post-inoculation. The plant-derived rhPA was bioactive to convert inactive plasminogen to active plasmin. No necrosis occurred in pJ Zera-rhPA-infiltrated leaves. The Zera-rhPA protein was partially cleaved between the site of Zera tag and rhPA sequence in both Nicotiana leaves. We speculated that the formation of Zera tags-induced particles in the plant cells was a dynamic process of progressive aggregation in which some of the soluble polypeptides were encapsulated in these particles. CONCLUSIONS Enzymatically active recombinant rhPA can be rapidly expressed in tobacco plants using the plant viral ampliconbased system, which offers a promising alternative for cost-effective production of recombinant rhPA.
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Affiliation(s)
- 洁雪 马
- 西部特色生物资源保护与利用教育部重点实验室,宁夏 银川 750021Key Laboratory of Ministry of Education for Protection and Utilization of Special Biological Resources in the Western China, Yinchuan 750021, China
| | - 乐乐 吴
- 西部特色生物资源保护与利用教育部重点实验室,宁夏 银川 750021Key Laboratory of Ministry of Education for Protection and Utilization of Special Biological Resources in the Western China, Yinchuan 750021, China
| | - 向真 丁
- 西部特色生物资源保护与利用教育部重点实验室,宁夏 银川 750021Key Laboratory of Ministry of Education for Protection and Utilization of Special Biological Resources in the Western China, Yinchuan 750021, China
- 宁夏优势特色作物现代分子育种重点实验室,宁夏 银川 750021Key Laboratory of Modern Molecular Breeding for Dominant and Special Crops in Ningxia, Yinchuan 750021, China
| | - 志英 李
- 西部特色生物资源保护与利用教育部重点实验室,宁夏 银川 750021Key Laboratory of Ministry of Education for Protection and Utilization of Special Biological Resources in the Western China, Yinchuan 750021, China
- 宁夏优势特色作物现代分子育种重点实验室,宁夏 银川 750021Key Laboratory of Modern Molecular Breeding for Dominant and Special Crops in Ningxia, Yinchuan 750021, China
| | - 盛 王
- 西部特色生物资源保护与利用教育部重点实验室,宁夏 银川 750021Key Laboratory of Ministry of Education for Protection and Utilization of Special Biological Resources in the Western China, Yinchuan 750021, China
- 宁夏优势特色作物现代分子育种重点实验室,宁夏 银川 750021Key Laboratory of Modern Molecular Breeding for Dominant and Special Crops in Ningxia, Yinchuan 750021, China
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Ferrer MJ, Wehrendt DP, Bonilla M, Comini MA, Tellez-Iñón MT, Potenza M. Production of Recombinant Trypanosoma cruzi Antigens in Leishmania tarentolae. Methods Mol Biol 2019; 1955:105-118. [PMID: 30868522 DOI: 10.1007/978-1-4939-9148-8_8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Trypanosomatids are unicellular organisms that colonize a wide diversity of environments and hosts. For instance, Trypanosoma cruzi is a human pathogen responsible for Chagas diseases, while Leishmania tarentolae infects amphibians and became a biotechnological tool suitable for recombinant protein expression. T. cruzi antigens are needed for the development of improved epitope-based methods for diagnosis and treatment of Chagas disease. Molecular cloning for the production of recombinant proteins offers the possibility to obtain T. cruzi antigens at high yield and purity. L. tarentolae appears as the ideal expression host to obtain recombinant T. cruzi antigens with a structure and posttranslational modifications typical of trypanosomatids. In this chapter, we present a protocol for the analytical to mid-scale production of recombinant T. cruzi antigens, using L. tarentolae as expression host (LEXSY® inducible system).
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Affiliation(s)
- María José Ferrer
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, "Dr. Héctor Torres" (INGEBI-CONICET), Buenos Aires, Argentina
| | - Diana Patricia Wehrendt
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, "Dr. Héctor Torres" (INGEBI-CONICET), Buenos Aires, Argentina
| | - Mariana Bonilla
- Group Redox Biology of Trypanosomes, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Marcelo Alberto Comini
- Group Redox Biology of Trypanosomes, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - María Teresa Tellez-Iñón
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, "Dr. Héctor Torres" (INGEBI-CONICET), Buenos Aires, Argentina
| | - Mariana Potenza
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, "Dr. Héctor Torres" (INGEBI-CONICET), Buenos Aires, Argentina.
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Khan AH, Noordin R. Strategies for humanizing glycosylation pathways and producing recombinant glycoproteins in microbial expression systems. Biotechnol Prog 2018; 35:e2752. [DOI: 10.1002/btpr.2752] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 10/26/2018] [Accepted: 11/16/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Amjad Hayat Khan
- Inst. for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia 11800 Penang Malaysia
| | - Rahmah Noordin
- Inst. for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia 11800 Penang Malaysia
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Zamanlu M, Farhoudi M, Eskandani M, Mahmoudi J, Barar J, Rafi M, Omidi Y. Recent advances in targeted delivery of tissue plasminogen activator for enhanced thrombolysis in ischaemic stroke. J Drug Target 2017; 26:95-109. [PMID: 28796540 DOI: 10.1080/1061186x.2017.1365874] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Tissue plasminogen activator (tPA) is the only FDA approved medical treatment for the ischaemic stroke. However, it associates with some inevitable limitations, including: short therapeutic window, extremely short half-life and low penetration in large clots. Systemic administration may lead to complications such as haemorrhagic conversion in the brain and relapse in the form of re-occlusion. Furthermore, ultrasound has been utilised in combination with contrast agents, echogenic liposome, microspheres or nanoparticles (NPs) carrying tPA for improving thrombolysis - an approach that has resulted in slight improvement of tPA delivery and facilitated thrombolysis. Most of these delivery systems are able to extend the circulating half-life and clot penetration of tPA. Various technologies employed for ameliorated thrombolytic therapy are in different phases, some are in final steps for clinical applications while some others are under investigations for their safety and efficacy in human cases. Here, recent progresses on the thrombolytic therapy using novel nano- and micro-systems incorporating tPA are articulated. Of these, liposomes and microspheres, polymeric NPs and magnetic nanoparticles (MNPs) are discussed. Key technologies implemented for efficient delivery of tPA and advanced thrombolytic therapy and their advantages/disadvantages are further expressed.
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Affiliation(s)
- Masumeh Zamanlu
- a Neurosciences Research Center (NSRC), Faculty of Medicine , Tabriz University of Medical Sciences , Tabriz , Iran.,b Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Mehdi Farhoudi
- a Neurosciences Research Center (NSRC), Faculty of Medicine , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Morteza Eskandani
- b Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Javad Mahmoudi
- a Neurosciences Research Center (NSRC), Faculty of Medicine , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Jaleh Barar
- b Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute , Tabriz University of Medical Sciences , Tabriz , Iran.,c Department of Pharmaceutics, Faculty of Pharmacy , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Mohammad Rafi
- d Department of Neurology, Sidney Kimmel College of Medicine , Thomas Jefferson University , Philadelphia , PA , USA
| | - Yadollah Omidi
- b Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute , Tabriz University of Medical Sciences , Tabriz , Iran.,c Department of Pharmaceutics, Faculty of Pharmacy , Tabriz University of Medical Sciences , Tabriz , Iran
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Azarian B, Sajedin SM, Azimi A, Raigani M, Vaziri B, Davami F. Proteomics Profiling of Chimeric-Truncated Tissue Plasminogen activator Producing- Chinese Hamster Ovary Cells Cultivated in a Chemically Defined Medium Supplemented with Protein Hydrolysates. IRANIAN BIOMEDICAL JOURNAL 2017; 21:154-66. [PMID: 28187683 PMCID: PMC5392218 DOI: 10.18869/acadpub.ibj.21.3.154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Background Culture media enrichment through the addition of protein hydrolysates is beneficial for achieving higher protein expression. Methods In this study, designing the optimum mixture of four soy and casein-derived hydrolysates was successfully performed by design of experiment and specific productivity increased in all predicted combinations. Protein profile of recombinant CHO (rCHO) cells producing tissue plasminogen activator in a serum-free medium (SFM) supplemented with designed hydrolysate additives was compared to that of rCHO cells cultivated in SFM. Results Identification of differentially expressed proteins using two-dimensional gel electrophoresis coupled with MALDI-TOF/TOF revealed the role of energy metabolism related proteins and importance of prevention of oxidative stress by this special media enrichment strategy. Up-regulation of mitochondrial enzymes, pyruvate dehydrogenase E1 and Peroxiredoxin-III, as well as other proteins involved in metabolic pathways, and uridine monophosphate/cytidine monophosphate kinase indicated higher metabolic activity. Furthermore, along with antioxidant effect of peptones, proteins with antioxidant function such as ferritin and peroxiredoxin-III were up-regulated. Conclusion Understanding molecular mechanisms involved in enhancement of protein expression can provide new approaches for efficiently engineering rCHO cell. These results support the competence of proteomics studies in finding new insights to biochemical pathways for a knowledge-based optimization of media compositions.
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Affiliation(s)
- Bahareh Azarian
- Protein Chemistry Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Seyedeh Matin Sajedin
- Protein Chemistry Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Microbiology, Science and Research Branch, Islamic Azad University, Guilan, Iran
| | - Amin Azimi
- Protein Chemistry Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Mozhgan Raigani
- Eukaryotic Expression Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Behrouz Vaziri
- Protein Chemistry Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Davami
- Protein Chemistry Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.,Eukaryotic Expression Unit, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
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Leishmania-based expression systems. Appl Microbiol Biotechnol 2016; 100:7377-85. [DOI: 10.1007/s00253-016-7712-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 06/22/2016] [Accepted: 06/27/2016] [Indexed: 12/11/2022]
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Co-expression of disulfide oxidoreductases DsbA/DsbC markedly enhanced soluble and functional expression of reteplase in Escherichia coli. J Biotechnol 2015; 192 Pt A:197-203. [PMID: 25449110 DOI: 10.1016/j.jbiotec.2014.10.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 10/18/2014] [Accepted: 10/21/2014] [Indexed: 11/24/2022]
Abstract
Reteplase is the third generation of thrombolytic medicine and has many advantages over commercial t-PA. However, over-expressing recombinant reteplase in E. coli always accumulates as inclusion bodies due to nine pairs of disulfide bonds formation that is the main obstacle for correct folding. In this paper, in order to enhance soluble expression of recombinant reteplase in E. coli, DsbA/DsbC foldases were used to introduce disulfide bonds into the reduced polypeptide chain and catalyze their isomerization to the native disulfide linkage during the folding process. Firstly multiple E. coli protein expression systems, i.e. DsbA, DsbC and DsbA/DsbC co-expression were constructed. Subsequently, IPTG and l-arabinose were added to induce expression of foldases and reteplase accordingly, and experimental parameters such as culture temperature and inducer concentration were optimized. As a result, the co-expression system markedly enhanced soluble expression of recombinant reteplase, and up to 60% of reteplase achieved soluble expression especially for the DsbC co-expression system. The fibrin plate method for active reteplase quantification showed that ∼70 mg soluble reteplase per liter fermentation broth was obtained with 2.35 × 105 IU/mg thrombolytic activity. Finally, fluorescence spectra indicated that the structural conformation of soluble reteplase was identical to its native state. The soluble expression of recombinant reteplase in E. coli was accomplished by co-expression with DsbA/DsbC, which contributes to further research in clinical application and folding mechanism, and provides guidance for production of other proteins with disulfide bonds.
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Goojani HG, Javaran MJ, Nasiri J, Goojani EG, Alizadeh H. Expression and large-scale production of human tissue plasminogen activator (t-PA) in transgenic tobacco plants using different signal peptides. Appl Biochem Biotechnol 2013; 169:1940-51. [PMID: 23354501 DOI: 10.1007/s12010-013-0115-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Accepted: 01/14/2013] [Indexed: 10/27/2022]
Abstract
An attempt was made to assess the expression level and targeting of a human protein entitled recombinant tissue plasminogen activator (rt-PA) through accumulation in three cellular compartments including the endoplasmic reticulum and cytosolic and apoplastic spaces in transgenic tobacco plants. In this context, three chimeric constructs pBI-SP-tPA, pBI-tPA-KDEL, and pBI-Ext-tPA were employed and transferred into the tobacco plants through a popular transformation-based system called Agrobacterium tumefaciens. As an initial screening system, the incorporation of the rt-PA gene in the genomic DNA of tobacco transgenic plants and the possible existence of the rt-PA-specific transcript in the total RNAs of transgenic plant leaves were confirmed via PCR and reverse transcription (RT)-PCR, respectively. Southern blot analysis, in addition, was used to determine the copy number of the corresponding gene (i.e., t-PA) transformed into the each transgenic plant; one or more copies were detected regarding transformants derived from all three abovementioned constructs. According to the enzyme-linked immunosorbent assay, the mean values of t-PA expression were calculated as 0.50, 0.68, and 0.69 μg/mg of the total soluble protein when a collection containing 30 transgenic plants transformed with pBI-SP-tPA, pBI-tPA-KDEL, and pBI-Ext-tPA was taken into account, respectively. The zymography assay was lastly performed and concluded the expression of the properly folded rt-PA in this expression system. Our results, altogether, revealed that tobacco plants could be utilized as a bioreactor system for the large-scale production of enzymatically active t-PA and presumably other therapeutic recombinant proteins in large quantities.
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Affiliation(s)
- Hojjat Ghasemi Goojani
- Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
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