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Zhang Y, Alqazlan N, Meng Z, Zhao J, Liu N, Zhang Y, Feng M, Ma S, Wang A. A novel approach to achieving more efficient production of the mature form of human IL-37 in plants. Transgenic Res 2023; 32:279-291. [PMID: 37266895 DOI: 10.1007/s11248-023-00351-z] [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: 01/04/2023] [Accepted: 05/09/2023] [Indexed: 06/03/2023]
Abstract
Interleukin-37 is a newly discovered cytokine that plays a pivotal role in suppressing innate inflammation and acquired immunity. We have recently expressed both the mature(mat-) and pro-forms of human IL-37b in plants and demonstrated that while both forms of the plant-made hIL-37b are functional, pmat-hIL37b exhibited significantly greater activity than ppro-IL-37b. Compared to ppro-hIL-37b, on the other hand, the expression level of pmat-hIL-37b was substantially lower (100.5 µg versus 1.05 µg/g fresh leaf mass or 1% versus 0.01% TSP). Since the difference between ppro-hIL-37b and pmat-hIL-37b is that ppro-hIL-37b contains a signal sequence not cleavable by plant cells, we reasoned that this signal sequence would play a key role in stabilizing the ppro-hIL-37b protein. Here, we describe a novel approach to enhancing pmat-hIL-37b production in plants based on incorporation of a gene sequence encoding tobacco etch virus (TEV) protease between the signal peptide and the mature hIL-37b, including a TEV cleavage site at the C-termini of TEV protease. The rationale is that when expressed as a sp-TEV-matIL-37b fusion protein, the stabilizing properties of the signal peptide of pro-hIL-37b will be awarded to its fusion partners, resulting in increased yield of target proteins. The fusion protein is then expected to cleave itself in vivo to yield a mature pmat-hIL-37b. Indeed, when a sp-TEV-matIL-37b fusion gene was expressed in stable-transformed plants, a prominent band corresponding to dimeric pmat-hIL-37b was detected, with expression yields reaching 42.5 µg/g fresh leaf mass in the best expression lines. Bioassays demonstrated that plant-made mature pmat-hIL-37b is functional.
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Affiliation(s)
- Yao Zhang
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Nadiyah Alqazlan
- Department of Biology, University of Western Ontario, London, ON, Canada
| | - Zihe Meng
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Jingyao Zhao
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Nan Liu
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Yuxin Zhang
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Mingfeng Feng
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Shengwu Ma
- Department of Biology, University of Western Ontario, London, ON, Canada.
| | - Aoxue Wang
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China.
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China.
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Li Y, Li Y, Xia J, Yang Q, Chen Y, Sun H. 3'-Sulfo-TF Antigen Determined by GAL3ST2/ST3GAL1 Is Essential for Antitumor Activity of Fungal Galectin AAL/AAGL. ACS OMEGA 2021; 6:17379-17390. [PMID: 34278124 PMCID: PMC8280635 DOI: 10.1021/acsomega.1c01544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/04/2021] [Indexed: 06/13/2023]
Abstract
Many lectins have been reported to have antitumor activities; identifying the glycan ligands in tumor cells of lectins is crucial for lectin clinical application. An edible mushroom galectin, Agrocybe aegerita lectin (AAL/AAGL), that has a high antitumor activity has been reported. In this paper, based on the glycan array data, it is showed that the Thomsen-Friedenreich antigen (TF antigen)-related O-glycans were found to be highly correlated with the antitumor activity of AAL/AAGL. Further glycosyltransferase quantification suggested that the ratio between GAL3ST2 and ST3GAL1 (GAL3ST2/ST3GAL1), which determined the 3'-sulfo-TF expression level, was highly correlated with the antitumor activity of AAL/AAGL. Overexpressing the enzyme of GAL3ST2 in HL60 and HeLa cell lines could increase the growth inhibition ratio of AAL/AAGL from 22.7 to 43.9% and 27.8 to 39.1%, respectively. However, ST3GAL1 in Jurkat cells could decrease the growth inhibition ratio from 44.7 to 35.6%. All the data suggested that the 3'-sulfo-TF antigen is one of the main glycan ligands that AAL/AAGL recognizes in tumor cells. AAL/AAGL may potentially serve as a reagent for cancer diagnosis and a targeted therapy for the 3'-sulfo-TF antigen.
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Affiliation(s)
- Yang Li
- College of Life Sciences, Wuhan
University, Wuhan, Hubei Province 430072, P. R. China
| | - Yan Li
- College of Life Sciences, Wuhan
University, Wuhan, Hubei Province 430072, P. R. China
| | - Jing Xia
- College of Life Sciences, Wuhan
University, Wuhan, Hubei Province 430072, P. R. China
| | - Qing Yang
- College
of Food Science and Engineering, Wuhan Polytechnic
University, Wuhan, Hubei Province 430023, P. R. China
| | - Yijie Chen
- College
of Food Science and Technology, Huazhong
Agricultural University, Wuhan, Hubei Province 430070, P. R. China
| | - Hui Sun
- College of Life Sciences, Wuhan
University, Wuhan, Hubei Province 430072, P. R. China
- Hubei
Province key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei Province 430072, P. R. China
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Pan L, Yuan Z, Farouk MH, Qin G, Bao N. Isolation and analysation of soybean agglutinin-specific binding proteins for erythrocyte membrane in different animal species. ITALIAN JOURNAL OF ANIMAL SCIENCE 2021. [DOI: 10.1080/1828051x.2020.1869600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Li Pan
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Zhijie Yuan
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Mohammed Hamdy Farouk
- Animal Production Department, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt
| | - Guixin Qin
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Nan Bao
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
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Ghag SB, Adki VS, Ganapathi TR, Bapat VA. Plant Platforms for Efficient Heterologous Protein Production. BIOTECHNOL BIOPROC E 2021; 26:546-567. [PMID: 34393545 PMCID: PMC8346785 DOI: 10.1007/s12257-020-0374-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/14/2021] [Accepted: 01/16/2021] [Indexed: 02/07/2023]
Abstract
Production of recombinant proteins is primarily established in cultures of mammalian, insect and bacterial cells. Concurrently, concept of using plants to produce high-value pharmaceuticals such as vaccines, antibodies, and dietary proteins have received worldwide attention. Newer technologies for plant transformation such as plastid engineering, agroinfiltration, magnifection, and deconstructed viral vectors have been used to enhance the protein production in plants along with the inherent advantage of speed, scale, and cost of production in plant systems. Production of therapeutic proteins in plants has now a more pragmatic approach when several plant-produced vaccines and antibodies successfully completed Phase I clinical trials in humans and were further scheduled for regulatory approvals to manufacture clinical grade products on a large scale which are safe, efficacious, and meet the quality standards. The main thrust of this review is to summarize the data accumulated over the last two decades and recent development and achievements of the plant derived therapeutics. It also attempts to discuss different strategies employed to increase the production so as to make plants more competitive with the established production systems in this industry.
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Affiliation(s)
- Siddhesh B. Ghag
- School of Biological Sciences, UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai campus, Kalina, Santacruz, Mumbai, 400098 India
| | - Vinayak S. Adki
- V. G. Shivdare College of Arts, Commerce and Science, Solapur, Maharashtra 413004 India
| | - Thumballi R. Ganapathi
- Plant Cell Culture Technology Section, Nuclear Agriculture & Biotechnology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India
| | - Vishwas A. Bapat
- Department of Biotechnology, Shivaji University, Vidyanagar, Kolhapur, Maharashtra 416004 India
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Barre A, Damme EJV, Simplicien M, Benoist H, Rougé P. Are Dietary Lectins Relevant Allergens in Plant Food Allergy? Foods 2020; 9:foods9121724. [PMID: 33255208 PMCID: PMC7760050 DOI: 10.3390/foods9121724] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/18/2020] [Accepted: 11/21/2020] [Indexed: 01/17/2023] Open
Abstract
Lectins or carbohydrate-binding proteins are widely distributed in seeds and vegetative parts of edible plant species. A few lectins from different fruits and vegetables have been identified as potential food allergens, including wheat agglutinin, hevein (Hev b 6.02) from the rubber tree and chitinases containing a hevein domain from different fruits and vegetables. However, other well-known lectins from legumes have been demonstrated to behave as potential food allergens taking into account their ability to specifically bind IgE from allergic patients, trigger the degranulation of sensitized basophils, and to elicit interleukin secretion in sensitized people. These allergens include members from the different families of higher plant lectins, including legume lectins, type II ribosome-inactivating proteins (RIP-II), wheat germ agglutinin (WGA), jacalin-related lectins, GNA (Galanthus nivalis agglutinin)-like lectins, and Nictaba-related lectins. Most of these potentially active lectin allergens belong to the group of seed storage proteins (legume lectins), pathogenesis-related protein family PR-3 comprising hevein and class I, II, IV, V, VI, and VII chitinases containing a hevein domain, and type II ribosome-inactivating proteins containing a ricin B-chain domain (RIP-II). In the present review, we present an exhaustive survey of both the structural organization and structural features responsible for the allergenic potency of lectins, with special reference to lectins from dietary plant species/tissues consumed in Western countries.
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Affiliation(s)
- Annick Barre
- UMR 152 PharmaDev, Institut de Recherche et Développement, Université Paul Sabatier, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France; (A.B.); (M.S.); (H.B.)
| | - Els J.M. Van Damme
- Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, B-9000 Ghent, Belgium;
| | - Mathias Simplicien
- UMR 152 PharmaDev, Institut de Recherche et Développement, Université Paul Sabatier, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France; (A.B.); (M.S.); (H.B.)
| | - Hervé Benoist
- UMR 152 PharmaDev, Institut de Recherche et Développement, Université Paul Sabatier, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France; (A.B.); (M.S.); (H.B.)
| | - Pierre Rougé
- UMR 152 PharmaDev, Institut de Recherche et Développement, Université Paul Sabatier, Faculté de Pharmacie, 35 Chemin des Maraîchers, 31062 Toulouse, France; (A.B.); (M.S.); (H.B.)
- Correspondence: ; Tel.: +33-069-552-0851
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The structure and properties of MFG-E8 and the In vitro assessment of its toxic effects on myoblast cells. Protein Expr Purif 2020; 178:105720. [PMID: 32771447 DOI: 10.1016/j.pep.2020.105720] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/09/2020] [Accepted: 07/28/2020] [Indexed: 01/25/2023]
Abstract
Four high-molecular-weight protein fractions of milk fat globule membrane (MFGM) were isolated from bovine milk. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), MALDI-TOF/TOF™ and Liquid chromatography electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) were used to measure the molecular sizes of the MFGM. Fourier transform infrared spectroscopy (FT-IR) and circular dichroism (CD) were performed to determine the conformations of the MFGM. The results showed that the main protein (98.33%) in MFGM protein fraction 2 was Milk fat globule epidermal growth factor-VIII (MFG-E8), with a molecular weight of 47.82 kDa. The secondary structural component measurements showed that the MFG-E8 consisted of 5% helix, 70% sheet and 25% random coil, and the results matched well with the prediction by SSPro 5.1 bioinformatic analysis. The thermograms analysis revealed that Td and△H of MFG-E8 were 60.50°Cand 132.29 kJ/mol. The in vitro digestibility of MFG-E8 showed that it can be enzymatically hydrolyzed in the stomach and relatively stable in the intestinal fluid. The in vitro C2C12 and Caco2 cell activity tests indicated that MFG-E8 promoted the proliferation of C2C12 myoblast cells without cytotoxicity. The biological functional properties of MFG-E8 may be related to the fact that MFG-E8 possesses a high level of β-sheet structure. Our results suggested that MFG-E8 possesses broad prospects not only for use in functional food products but also as a source of natural anti-sarcopenia drugs.
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Alqazlan N, Diao H, Jevnikar AM, Ma S. Production of functional human interleukin 37 using plants. PLANT CELL REPORTS 2019; 38:391-401. [PMID: 30659328 DOI: 10.1007/s00299-019-02377-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 01/07/2019] [Indexed: 06/09/2023]
Abstract
KEY MESSAGE We demonstrate for the first time that a fully bioactive human IL-37, a newly discovered cytokine acting as a fundamental inhibitor of innate immunity, can be recombinantly produced in plant cells. Interleukin 37 (IL-37), a newly discovered member of the interleukin (IL)-1 family of cytokines, plays a pivotal role in limiting innate inflammation and suppressing acquired immune responses, thus holding high potential for treating a wide array of human inflammatory and autoimmune disorders. In this study, we have developed transgenic plants as a novel expression platform for production of human IL-37 (IL-37). Plant transformation vectors synthesizing various forms of the b isoform of IL-37, including an unprocessed full-length precursor form (proIL-37b), a mature form (matIL-37b) and an IL-37 fusion protein in which IL-37b was fused to soybean agglutinin (SBA-IL-37b), have been constructed and introduced into tobacco plants. The expression of all forms of IL-37b was driven by a strong constitutive 35S promoter. Transgenic tobacco plants were generated with each of these constructs. Depending on the form of IL-37b being produced, the expression level of proIL-37b reached approximately 1% of TSP, while matIL-37b expression was substantially lower (0.01% TSP). Fusion to SBA substantially increased the expression of matIL-37b, with the expression level of fusion protein accounting for 1% of TSP. Functional analysis using a cell-based in vitro assay showed that plant-made matIL-37b and proIL-37b are both biologically active, but plant-made matIL-37b exhibited significantly greater biological activity than proIL-37b. These results demonstrate that plants have great potential of being a green bioreactor for low-cost, large-scale production of biologically active IL-37.
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Affiliation(s)
- Nadiyah Alqazlan
- Department of Biology, University of Western Ontario, London, ON, Canada
| | - Hong Diao
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada
| | - Anthony M Jevnikar
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada
| | - Shengwu Ma
- Department of Biology, University of Western Ontario, London, ON, Canada.
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada.
- Lawson Health Research Institute, London, ON, Canada.
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8
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Feyzioğlu Demir E, Öztürk Atay N, Koruyucu M, Kök G, Salman Y, Akgöl S. Mannose based polymeric nanoparticles for lectin separation. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1452943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Esra Feyzioğlu Demir
- Vocational School of Health Services, Medical Laboratory Technique Department, Izmir University of Economics, Izmir, Turkey
| | - Nevra Öztürk Atay
- Application and Research Center for Testing and Analysis Department, Ege University, İzmir, Turkey
| | - Meryem Koruyucu
- Faculty of Science,Chemistry Department, Ege University, Izmir, Turkey
| | - Gökhan Kök
- Faculty of Science,Chemistry Department, Ege University, Izmir, Turkey
| | - Yeşim Salman
- Faculty of Science,Chemistry Department, Ege University, Izmir, Turkey
| | - Sinan Akgöl
- Faculty of Science, Biochemistry Department, Ege University, Izmir, Turkey
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Niknejad A, Webster D, Bhave M. Production of bioactive wheat puroindoline proteins in Nicotiana benthamiana using a virus-based transient expression system. Protein Expr Purif 2016; 125:43-52. [PMID: 26363114 DOI: 10.1016/j.pep.2015.09.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 08/20/2015] [Accepted: 09/08/2015] [Indexed: 12/17/2022]
Abstract
The emergence of antibiotic resistant pathogenic strains of bacteria has necessitated the development of novel antimicrobial agents. The puroindoline A and B (PINA and PINB) proteins of wheat, well-known for their roles in determining the important phenotype of grain texture, are also antimicrobial, making them attractive as natural bio-control agents. However, the biochemical basis of PIN functionality remains unclear due to limitations in expressing them at the required yield and purity and lack of accurate tertiary structure. This study focussed on rapid transient expression of PINs targeted to different subcellular compartments (chloroplast, apoplast, endoplasmic reticulum and cytosol) of Nicotiana benthamiana leaf cells using the deconstructed tobacco mosaic virus-based 'magnICON®' system. The expressed recombinant PINs were characterised by Western blot using the Durotest anti-friabilin antibody, enzyme-linked immunosorbent assays (ELISA) and antimicrobial activity tests. Maximum yield of the His-tagged PINs occurred when targeted to the chloroplast. Both PINs exhibited oligomeric and monomeric forms on gels, but Western blots with the widely used Durotest anti-friabilin antibody identified only oligomeric forms. Only the PINs purified by a hydrophobic interaction method exhibited monomeric forms with the anti-His tag antibody, indicating correct folding. Interestingly, the Durotest antibody did not bind to monomers, suggesting their epitope may be obscured. PINs purified by His-tag affinity purification under native conditions or by the hydrophobic method exhibited antimicrobial activities. The successful in planta expression and optimisation of purification will enable future studies to examine the detailed structure of the PINs and explore novel bio-control applications in health, food and/or agriculture.
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Affiliation(s)
- Azadeh Niknejad
- Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria, Australia
| | - Diane Webster
- School of Biological Sciences, Monash University, Melbourne, Victoria, Australia
| | - Mrinal Bhave
- Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria, Australia.
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He S, Simpson BK, Ngadi MO, Ma Y. In vitro studies of the digestibility of lectin from black turtle bean (Phaseolus vulgaris). Food Chem 2015; 173:397-404. [DOI: 10.1016/j.foodchem.2014.10.045] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 09/19/2014] [Accepted: 10/08/2014] [Indexed: 11/16/2022]
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Sarkar S, Jain S, Rai V, Sahoo DK, Raha S, Suklabaidya S, Senapati S, Rangnekar VM, Maiti IB, Dey N. Plant-derived SAC domain of PAR-4 (Prostate Apoptosis Response 4) exhibits growth inhibitory effects in prostate cancer cells. FRONTIERS IN PLANT SCIENCE 2015; 6:822. [PMID: 26500666 PMCID: PMC4595782 DOI: 10.3389/fpls.2015.00822] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 09/22/2015] [Indexed: 05/10/2023]
Abstract
The gene Par-4 (Prostate Apoptosis Response 4) was originally identified in prostate cancer cells undergoing apoptosis and its product Par-4 showed cancer specific pro-apoptotic activity. Particularly, the SAC domain of Par-4 (SAC-Par-4) selectively kills cancer cells leaving normal cells unaffected. The therapeutic significance of bioactive SAC-Par-4 is enormous in cancer biology; however, its large scale production is still a matter of concern. Here we report the production of SAC-Par-4-GFP fusion protein coupled to translational enhancer sequence (5' AMV) and apoplast signal peptide (aTP) in transgenic Nicotiana tabacum cv. Samsun NN plants under the control of a unique recombinant promoter M24. Transgene integration was confirmed by genomic DNA PCR, Southern and Northern blotting, Real-time PCR, and Nuclear run-on assays. Results of Western blot analysis and ELISA confirmed expression of recombinant SAC-Par-4-GFP protein and it was as high as 0.15% of total soluble protein. In addition, we found that targeting of plant recombinant SAC-Par-4-GFP to the apoplast and endoplasmic reticulum (ER) was essential for the stability of plant recombinant protein in comparison to the bacterial derived SAC-Par-4. Deglycosylation analysis demonstrated that ER-targeted SAC-Par-4-GFP-SEKDEL undergoes O-linked glycosylation unlike apoplast-targeted SAC-Par-4-GFP. Furthermore, various in vitro studies like mammalian cells proliferation assay (MTT), apoptosis induction assays, and NF-κB suppression suggested the cytotoxic and apoptotic properties of plant-derived SAC-Par-4-GFP against multiple prostate cancer cell lines. Additionally, pre-treatment of MAT-LyLu prostate cancer cells with purified SAC-Par-4-GFP significantly delayed the onset of tumor in a syngeneic rat prostate cancer model. Taken altogether, we proclaim that plant made SAC-Par-4 may become a useful alternate therapy for effectively alleviating cancer in the new era.
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Affiliation(s)
- Shayan Sarkar
- Department of Gene Function and Regulation, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
| | - Sumeet Jain
- Department of Translational Research and Technology Development, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
- Manipal UniversityManipal, India
| | - Vineeta Rai
- Department of Gene Function and Regulation, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
| | - Dipak K. Sahoo
- Kentucky Tobacco Research & Development Center, Plant Genetic Engineering Research and Services, College of Agriculture, Food and Environment, University of Kentucky, LexingtonKY, USA
- Department of Agronomy, Iowa State University, AmesIA, USA
| | - Sumita Raha
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, ChicagoIL, USA
| | - Sujit Suklabaidya
- Department of Translational Research and Technology Development, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
| | - Shantibhusan Senapati
- Department of Translational Research and Technology Development, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
| | - Vivek M. Rangnekar
- Department of Radiation Medicine, Markey Cancer Center, University of Kentucky, LexingtonKY, USA
| | - Indu B. Maiti
- Kentucky Tobacco Research & Development Center, Plant Genetic Engineering Research and Services, College of Agriculture, Food and Environment, University of Kentucky, LexingtonKY, USA
- *Correspondence: Nrisingha Dey, Department of Gene Function and Regulation, Institute of Life Sciences, Department of Biotechnology, Government of India, Nalco Square, Chandrasekharpur, Bhubaneswar, Odisha-751 023, India, ; Indu B. Maiti, Kentucky Tobacco Research & Development Center, Plant Genetic Engineering Research and Services, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA,
| | - Nrisingha Dey
- Department of Gene Function and Regulation, Institute of Life Sciences, Department of Biotechnology, Government of IndiaBhubaneswar, India
- *Correspondence: Nrisingha Dey, Department of Gene Function and Regulation, Institute of Life Sciences, Department of Biotechnology, Government of India, Nalco Square, Chandrasekharpur, Bhubaneswar, Odisha-751 023, India, ; Indu B. Maiti, Kentucky Tobacco Research & Development Center, Plant Genetic Engineering Research and Services, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA,
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12
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Choi J, Diao H, Feng ZC, Lau A, Wang R, Jevnikar AM, Ma S. A fusion protein derived from plants holds promising potential as a new oral therapy for type 2 diabetes. PLANT BIOTECHNOLOGY JOURNAL 2014; 12:425-35. [PMID: 24373324 DOI: 10.1111/pbi.12149] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 10/22/2013] [Accepted: 10/27/2013] [Indexed: 06/03/2023]
Abstract
The incretin hormone glucagon-like peptide-1 (GLP-1) is recognized as a promising candidate for the treatment of type 2 diabetes (T2D), with one of its mimetics, exenatide (synthetic exendin-4) having already been licensed for clinical use. We seek to further improve the therapeutic efficacy of exendin-4 (Ex-4) using innovative fusion protein technology. Here, we report the production in plants a fusion protein containing Ex-4 coupled with human transferrin (Ex-4-Tf) and its characterization. We demonstrated that plant-made Ex-4-Tf retained the activity of both proteins. In particular, the fusion protein stimulated insulin release from pancreatic β-cells, promoted β-cell proliferation, stimulated differentiation of pancreatic precursor cells into insulin-producing cells, retained the ability to internalize into human intestinal cells and resisted stomach acid and proteolytic enzymes. Importantly, oral administration of partially purified Ex-4-Tf significantly improved glucose tolerance, whereas commercial Ex-4 administered by the same oral route failed to show any significant improvement in glucose tolerance in mice. Furthermore, intraperitoneal (IP) injection of Ex-4-Tf showed a beneficial effect in mice similar to IP-injected Ex-4. We also showed that plants provide a robust system for the expression of Ex-4-Tf, producing up to 37 μg prEx-4-Tf/g fresh leaf weight in transgenic tobacco and 137 μg prEx-4-Tf/g freshweight in transiently transformed leaves of N. benthamiana. These results indicate that Ex-4-Tf holds substantial promise as a new oral therapy for type 2 diabetes. The production of prEx-4-Tf in plants may offer a convenient and cost-effective method to deliver the antidiabetic medicine in partially processed plant food products.
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Affiliation(s)
- Jeehye Choi
- Department of Biology, University of Western Ontario, London, ON, Canada
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Fernandez-del-Carmen A, Juárez P, Presa S, Granell A, Orzáez D. Recombinant jacalin-like plant lectins are produced at high levels in Nicotiana benthamiana and retain agglutination activity and sugar specificity. J Biotechnol 2013; 163:391-400. [PMID: 23220214 DOI: 10.1016/j.jbiotec.2012.11.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 11/26/2012] [Accepted: 11/28/2012] [Indexed: 12/11/2022]
Abstract
The plant kingdom is an underexplored source of valuable proteins which, like plant lectins, display unique interacting specificities. Furthermore, plant protein diversity remains under-exploited due to the low availability and heterogeneity of native sources. All these hurdles could be overcome with recombinant production. A narrow phylogenetic gap between the native source and the recombinant platform is likely to facilitate proper protein processing and stability; therefore, the plant cell chassis should be specially suited for the recombinant production of many plant native proteins. This is illustrated herein with the recombinant production of two representatives of the plant jacalin-related lectin (JRLs) protein family in Nicotiana benthamiana using state-of-the-art magnICON technology. Mannose-specific Banlec JRL was produced at very high levels in leaves, reaching 1.0mg of purified protein per gram of fresh weight and showing strong agglutination activity. Galactose-specific jacalin JRL, with its complicated processing requirements, was also successfully produced in N. benthamiana at levels of 0.25 mg of purified protein per gram of fresh weight. Recombinant Jacalin (rJacalin) proved efficient in the purification of human IgA1, and was able to discriminate between plant-made and native IgA1 due to their differential glycosylation status. Together, these results show that the plant cell factory should be considered a primary option in the recombinant production of valuable plant proteins.
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Affiliation(s)
- Asun Fernandez-del-Carmen
- Instituto de Biología Molecular y Celular de Plantas-IBMCP, Consejo Superior de Investigaciones Científicas, Universidad Politécnica de Valencia, Avda Tarongers SN, 46022 Valencia, Spain
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Production of pharmaceutical proteins in solanaceae food crops. Int J Mol Sci 2013; 14:2753-73. [PMID: 23434646 PMCID: PMC3588013 DOI: 10.3390/ijms14022753] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 01/11/2013] [Accepted: 01/22/2013] [Indexed: 12/13/2022] Open
Abstract
The benefits of increased safety and cost-effectiveness make vegetable crops appropriate systems for the production and delivery of pharmaceutical proteins. In particular, Solanaceae edible crops could be inexpensive biofactories for oral vaccines and other pharmaceutical proteins that can be ingested as minimally processed extracts or as partially purified products. The field of crop plant biotechnology is advancing rapidly due to novel developments in genetic and genomic tools being made available today for the scientific community. In this review, we briefly summarize data now available regarding genomic resources for the Solanaceae family. In addition, we describe novel strategies developed for the expression of foreign proteins in vegetable crops and the utilization of these techniques to manufacture pharmaceutical proteins.
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Green factory: Plants as bioproduction platforms for recombinant proteins. Biotechnol Adv 2012; 30:1171-84. [DOI: 10.1016/j.biotechadv.2011.08.020] [Citation(s) in RCA: 132] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Revised: 08/24/2011] [Accepted: 08/30/2011] [Indexed: 12/15/2022]
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Perçin I, Yavuz H, Aksöz E, Denizli A. Mannose-specific lectin isolation from Canavalia ensiformis seeds by PHEMA-based cryogel. Biotechnol Prog 2012; 28:756-61. [PMID: 22505183 DOI: 10.1002/btpr.1552] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2011] [Revised: 03/28/2012] [Indexed: 11/07/2022]
Abstract
Mannose-specific lectin Concanavalin A (Con A) was purified from Canavalia ensiformis seeds. For this purpose, mannose attached poly(hydroxyethyl methacrylate) (PHEMA) cryogel was prepared by cryopolymerization. Mannose was used as the affinity ligand and was covalently attached onto the PHEMA cryogel via carbodiimide activation. The PHEMA cryogel containing 23.3 mmol mannose/g polymer were used in the binding studies. Con A binding with the mannose attached PHEMA cryogel from Con A aqueous solution was 5.2 mg/g at pH 7. Maximum binding capacity for Con A from C. ensiformis seed extract was 39 mg/g. Con A was eluted with 0.3 M galactose, and the purity of Con A was determined by sodium dodecyl sulfate polyacrylamide gel electrophoresis. It was observed that the mannose attached PHEMA cryogel can be used without significant decrease in Con A binding capacity after six binding-elution cycles.
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Affiliation(s)
- Işık Perçin
- Department of Biology, Molecular Biology Div., Hacettepe University, Ankara, Turkey
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Oliveira C, Teixeira JA, Domingues L. Recombinant lectins: an array of tailor-made glycan-interaction biosynthetic tools. Crit Rev Biotechnol 2012; 33:66-80. [DOI: 10.3109/07388551.2012.670614] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Tremblay R, Diao H, Huner N, Jevnikar AM, Ma S. The development, characterization, and demonstration of a novel strategy for purification of recombinant proteins expressed in plants. Transgenic Res 2011; 20:1357-66. [PMID: 21365323 DOI: 10.1007/s11248-011-9498-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Accepted: 02/15/2011] [Indexed: 11/28/2022]
Abstract
Plants have attracted increasing attention as an expression platform for the production of pharmaceutical proteins due to its unlimited scalability and low cost potential. However, compared to other expression systems, plants accumulate relatively low levels of foreign proteins, thus necessitating the development of efficient systems for purification of foreign proteins from plant tissues. We have developed a novel strategy for purification of recombinant proteins expressed in plants, based on genetic fusion to soybean agglutinin (SBA), a homotetrameric lectin that binds to N-acetyl-D-galactosamine. Previously it was shown that high purity SBA could be recovered from soybean with an efficiency of greater than 90% following one-step purification using N-acetyl-D-galactosamine-agar columns. We constructed an SBA fusion protein containing the reporter green fluorescent protein (GFP) and transiently expressed it in N. benthamiana plants. We achieved over 2.5% of TSP accumulation in leaves of N. benthamiana. Confocal microscopic analysis demonstrated in vivo activity of the fused GFP partner. Importantly, high purity rSBA-GFP was recovered from crude leaf extract with ~90% yield via one-step purification on N-acetyl-D-galactosamine-agar columns, and the purified fusion protein was able to induce the agglutination of rabbit red blood cells. Combined with this, tetrameric assembly of the fusion protein was demonstrated via western blotting. In addition, rSBA-GFP retained its GFP signal on agglutinated red blood cells, demonstrating the feasibility of using rSBA-GFP for discrimination of cells that bear the ligand glycan on their surface. This work validates SBA as an effective affinity tag for simple and rapid purification of genetically fused proteins.
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Affiliation(s)
- Reynald Tremblay
- Department of Biology, University of Western Ontario, London, ON, Canada
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The development of a high-yield recombinant protein bioreactor through RNAi induced knockdown of ATP/ADP transporter in Solanum tuberosum. J Biotechnol 2011; 156:59-66. [PMID: 21864587 DOI: 10.1016/j.jbiotec.2011.08.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2011] [Revised: 07/31/2011] [Accepted: 08/08/2011] [Indexed: 11/20/2022]
Abstract
There is an increased need for high-yield protein production platforms to meet growing demand. Tuber-based production in Solanum tuberosum offers several advantages, including high biomass yield, although protein concentration is typically low. In this work, we investigated the question whether minor interruption of starch biosynthesis can have a positive effect on tuber protein content and/or tuber biomass, as previous work suggested that partial obstruction of starch synthesis had variable effects on tuber yield. To this end, we used a RNAi approach to knock down ATP/ADP transporter and obtained a large number of transgenic lines for screening of lines with improved tuber protein content and/or tuber biomass. The initial screening was based on tuber biomass because of its relative simplicity. We identified a line, riAATP1-10, with minor (less than 15%) reduction in starch, that had a nearly 30% increase in biomass compared to wild-type, producing both more and larger tubers with altered morphological features compared to wild-type. riAATP1-10 tubers have a higher concentration of soluble protein compared to wild-type tubers, with nearly 50% more soluble protein. We assessed the suitability of this line as a new bioreactor by expressing a human scFv, reaching over 0.5% of total soluble protein, a 2-fold increase over the highest accumulating line in a wild-type background. Together with increased biomass and increased levels in total protein content, foreign protein expression in riAATP1-10 line would translate into a nearly 4-fold increase in recombinant protein yield per plant. Our results indicate that riAATP1-10 line provides an improved expression system for production of foreign proteins.
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