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Lyons-Abbott S, Abramov A, Chan CL, Deer JR, Fu G, Hassouneh W, Koch T, Misquith A, O'Neill J, Simon SA, Wolf A, Yeh R, Vernet E. Choice of fusion proteins, expression host, and analytics solves difficult-to-produce protein challenges in discovery research. Biotechnol J 2024; 19:e2300162. [PMID: 37802118 DOI: 10.1002/biot.202300162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 09/05/2023] [Accepted: 09/26/2023] [Indexed: 10/08/2023]
Abstract
High quality biological reagents are a prerequisite for pharmacological research. Herein a protein production screening approach, including quality assessment methods, for protein-based discovery research is presented. Trends from 2895 expression constructs representing 253 proteins screened in mammalian and bacterial hosts-91% of which are successfully expressed and purified-are discussed. Mammalian expression combined with the use of solubility-promoting fusion proteins is deemed suitable for most targets. Furthermore, cases utilizing stable cell line generation and choice of fusion protein for higher yield and quality of difficult-to-produce proteins (Leucine-rich repeat-containing G-protein coupled receptor 4 (LGR4) and Neurturin) are presented and discussed. In the case of Neurturin, choice of fusion protein impacted the target binding 80-fold. These results highlight the need for exploration of construct designs and careful Quality Control (QC) of difficult-to-produce protein reagents.
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Affiliation(s)
| | - Ariel Abramov
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Chung-Leung Chan
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Jen Running Deer
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Guangsen Fu
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Wafa Hassouneh
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Tyree Koch
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Ayesha Misquith
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Jason O'Neill
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | | | - Anitra Wolf
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Ronald Yeh
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
| | - Erik Vernet
- Novo Nordisk Research Center Seattle, Inc, Seattle, Washington, USA
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2
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Wang X, Qiao O, Han L, Li N, Gong Y. A Novel Rabbit Anti-Myoglobin Monoclonal Antibody's Potential Application in Rhabdomyolysis Associated Acute Kidney Injury. Int J Mol Sci 2023; 24:ijms24097822. [PMID: 37175528 PMCID: PMC10177957 DOI: 10.3390/ijms24097822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/21/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023] Open
Abstract
Myoglobin (Mb) is the main constituent of vertebrate skeletal muscle and myocardium and plays an essential role in oxygen binding, storage, transport, and earliest disease diagnosis. This study focuses on preparing the novel recombinant rabbit anti-Mb monoclonal antibody and applying it to a diagnosis of Mb deposition in rhabdomyolysis-associated acute kidney injury (RM-AKI). The full-length coding sequence of rat Mb was cloned and expressed, and the high-quality and titer rabbit anti-Mb polyclonal antibodies were produced by the immunogen His-Mb fusion protein. A new hybridoma cell was obtained by hybridoma screening technology. With the help of DNA sequencing and a molecular clonal, anti-Mb monoclonal antibody heavy and light chains expression plasmid was constructed. Finally, the recombinant rabbit anti-Mb monoclonal antibody with extraordinarily high affinity (KD = 1.21 pM) was obtained. Meanwhile, it had broad species reactivity (mouse, rat, human, and horse) and good tissue specificity (skeletal muscle and myocardium). It also had a very good performance in western blotting, immunohistochemistry, and immunofluorescence assay to detect the Mb level in the kidney, myocardium, and skeletal muscle of RM-AKI. This study will be significantly helpful for Mb-associated disease diagnosis, and pathogenesis exploration, and further may act as a neutralizing antibody for disease treatment.
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Affiliation(s)
- Xinyue Wang
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Ou Qiao
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Lu Han
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Ning Li
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
| | - Yanhua Gong
- Institute of Disaster and Emergency Medicine, Medical College, Tianjin University, Tianjin 300072, China
- Tianjin Key Laboratory of Disaster Medicine Technology, Tianjin 300072, China
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Oulton T, Obiero J, Rodriguez I, Ssewanyana I, Dabbs RA, Bachman CM, Greenhouse B, Drakeley C, Felgner PL, Stone W, Tetteh KKA. Plasmodium falciparum serology: A comparison of two protein production methods for analysis of antibody responses by protein microarray. PLoS One 2022; 17:e0273106. [PMID: 36037183 PMCID: PMC9423672 DOI: 10.1371/journal.pone.0273106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 08/02/2022] [Indexed: 12/02/2022] Open
Abstract
The evaluation of protein antigens as putative serologic biomarkers of infection has increasingly shifted to high-throughput, multiplex approaches such as the protein microarray. In vitro transcription/translation (IVTT) systems-a similarly high-throughput protein expression method-are already widely utilised in the production of protein microarrays, though purified recombinant proteins derived from more traditional whole cell based expression systems also play an important role in biomarker characterisation. Here we have performed a side-by-side comparison of antigen-matched protein targets from an IVTT and purified recombinant system, on the same protein microarray. The magnitude and range of antibody responses to purified recombinants was found to be greater than that of IVTT proteins, and responses between targets from different expression systems did not clearly correlate. However, responses between amino acid sequence-matched targets from each expression system were more closely correlated. Despite the lack of a clear correlation between antigen-matched targets produced in each expression system, our data indicate that protein microarrays produced using either method can be used confidently, in a context dependent manner, though care should be taken when comparing data derived from contrasting approaches.
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Affiliation(s)
- Tate Oulton
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Joshua Obiero
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, United States of America
| | - Isabel Rodriguez
- Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Isaac Ssewanyana
- Infectious Diseases Research Collaboration, Kampala, Uganda
- Makerere University College of Health Sciences, Kampala, Uganda
| | - Rebecca A. Dabbs
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | | | - Bryan Greenhouse
- Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Chris Drakeley
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Phil L. Felgner
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, United States of America
| | - Will Stone
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Kevin K. A. Tetteh
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
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Magalhães ICL, Souza PFN, Marques LEC, Girão NM, Araújo FMC, Guedes MIF. New insights into the recombinant proteins and monoclonal antibodies employed to immunodiagnosis and control of Zika virus infection: A review. Int J Biol Macromol 2022; 200:139-150. [PMID: 34998869 DOI: 10.1016/j.ijbiomac.2021.12.196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 12/11/2022]
Abstract
An emergent positive-stranded RNA virus, transmitted by mosquitoes with its first case of vertical transmission confirmed in 2015 in Brazil. The Zika virus (ZIKV) fever has received particular attention, mainly related to neurological diseases such as microcephaly in newborns. However, the laboratory diagnosis for ZIKV still faces some challenges due to its cross-reactivity with other flaviviruses, requiring a correct and differential diagnosis, contributing to the good prognosis of patients, especially in pregnant women. Among these, for early diagnosis, the CDC considers the RT-PCR the gold standard, more sensitive and specific, but expensive. Serological tests for the diagnosis of ZIKV can also be found beyond the period when the viral components are detectable in the serum. Inputs to produce more sensitive and specific diagnostic kits and the possibility of viral detection in less invasive samples are among the objectives of recent research on ZIKV. This review outlines recent advances in developing recombinant antigen and antibody-based diagnostic tools for the main flaviviruses in Northeast Brazil, such as ZIKV and Dengue virus (DENV).
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Affiliation(s)
- Ilana C L Magalhães
- Biotechnology and Molecular Biology Laboratory, State University of Ceara, Fortaleza, Ceara, Brazil.
| | - Pedro F N Souza
- Department of Biochemistry and Molecular Biology, Laboratory of Plant Defense Proteins, Federal University of Ceara, Fortaleza, Brazil.
| | - Lívia E C Marques
- Biotechnology and Molecular Biology Laboratory, State University of Ceara, Fortaleza, Ceara, Brazil
| | - Nicolas M Girão
- Biotechnology and Molecular Biology Laboratory, State University of Ceara, Fortaleza, Ceara, Brazil
| | | | - Maria Izabel F Guedes
- Biotechnology and Molecular Biology Laboratory, State University of Ceara, Fortaleza, Ceara, Brazil
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Ortega C, Oppezzo P, Correa A. Overcoming the Solubility Problem in E. coli: Available Approaches for Recombinant Protein Production. Methods Mol Biol 2022; 2406:35-64. [PMID: 35089549 DOI: 10.1007/978-1-0716-1859-2_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Despite the importance of recombinant protein production in the academy and industrial fields, many issues concerning the expression of soluble and homogeneous products are still unsolved. Several strategies were developed to overcome these obstacles; however, at present, there is no magic bullet that can be applied for all cases. Indeed, several key expression parameters need to be evaluated for each protein. Among the different hosts for protein expression, Escherichia coli is by far the most widely used. In this chapter, we review many of the different tools employed to circumvent protein insolubility problems.
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Affiliation(s)
- Claudia Ortega
- Recombinant Protein Unit, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Pablo Oppezzo
- Recombinant Protein Unit, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Agustín Correa
- Recombinant Protein Unit, Institut Pasteur de Montevideo, Montevideo, Uruguay.
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Kulminskaya N, Radler C, Viertlmayr R, Heier C, Hofer P, Colaço-Gaspar M, Owens RJ, Zimmermann R, Schreiber R, Zechner R, Oberer M. Optimized expression and purification of adipose triglyceride lipase improved hydrolytic and transacylation activities in vitro. J Biol Chem 2021; 297:101206. [PMID: 34543623 PMCID: PMC8506970 DOI: 10.1016/j.jbc.2021.101206] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 09/06/2021] [Accepted: 09/15/2021] [Indexed: 11/21/2022] Open
Abstract
Adipose triglyceride lipase (ATGL) plays a key role in intracellular lipolysis, the mobilization of stored triacylglycerol. This work provides an important basis for generating reproducible and detailed data on the hydrolytic and transacylation activities of ATGL. We generated full-length and C-terminally truncated ATGL variants fused with various affinity tags and analyzed their expression in different hosts, namely E.coli, the insect cell line Sf9, and the mammalian cell line human embryonic kidney 293T. Based on this screen, we expressed a fusion protein of ATGL covering residues M1-D288 flanked with N-terminal and C-terminal purification tags. Using these fusions, we identified key steps in expression and purification protocols, including production in the E. coli strain ArcticExpress (DE3) and removal of copurified chaperones. The resulting purified ATGL variant demonstrated improved lipolytic activity compared with previously published data, and it could be stimulated by the coactivator protein comparative gene identification-58 and inhibited by the protein G0/G1 switch protein 2. Shock freezing and storage did not affect the basal activity but reduced coactivation of ATGL by comparative gene identification 58. In vitro, the truncated ATGL variant demonstrated acyl-CoA-independent transacylation activity when diacylglycerol was offered as substrate, resulting in the formation of fatty acid as well as triacylglycerol and monoacylglycerol. However, the ATGL variant showed neither hydrolytic activity nor transacylation activity upon offering of monoacylglycerol as substrate. To understand the role of ATGL in different physiological contexts, it is critical for future studies to identify all its different functions and to determine under what conditions these activities occur.
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Affiliation(s)
| | - Claudia Radler
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Roland Viertlmayr
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Christoph Heier
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Peter Hofer
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | | | - Raymond J Owens
- Division of Structural Biology, The Welcome Centre for Human Genetics, University of Oxford, Oxford, UK; Protein Production UK, Research Complex at Harwell, Didcot, UK
| | - Robert Zimmermann
- Institute of Molecular Biosciences, University of Graz, Graz, Austria; BioTechMed, Graz, Austria; BioHealth Field of Excellence, University of Graz, Graz, Austria
| | - Renate Schreiber
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Rudolf Zechner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria; BioTechMed, Graz, Austria; BioHealth Field of Excellence, University of Graz, Graz, Austria
| | - Monika Oberer
- Institute of Molecular Biosciences, University of Graz, Graz, Austria; BioTechMed, Graz, Austria; BioHealth Field of Excellence, University of Graz, Graz, Austria.
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Arendse LB, Wyllie S, Chibale K, Gilbert IH. Plasmodium Kinases as Potential Drug Targets for Malaria: Challenges and Opportunities. ACS Infect Dis 2021; 7:518-534. [PMID: 33590753 PMCID: PMC7961706 DOI: 10.1021/acsinfecdis.0c00724] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Indexed: 12/30/2022]
Abstract
Protein and phosphoinositide kinases have been successfully exploited as drug targets in various disease areas, principally in oncology. In malaria, several protein kinases are under investigation as potential drug targets, and an inhibitor of Plasmodium phosphatidylinositol 4-kinase type III beta (PI4KIIIβ) is currently in phase 2 clinical studies. In this Perspective, we review the potential of kinases as drug targets for the treatment of malaria. Kinases are known to be readily druggable, and many are essential for parasite survival. A key challenge in the design of Plasmodium kinase inhibitors is obtaining selectivity over the corresponding human orthologue(s) and other human kinases due to the highly conserved nature of the shared ATP binding site. Notwithstanding this, there are some notable differences between the Plasmodium and human kinome that may be exploitable. There is also the potential for designed polypharmacology, where several Plasmodium kinases are inhibited by the same drug. Prior to starting the drug discovery process, it is important to carefully assess potential kinase targets to ensure that the inhibition of the desired kinase will kill the parasites in the required life-cycle stages with a sufficiently fast rate of kill. Here, we highlight key target attributes and experimental approaches to consider and summarize the progress that has been made targeting Plasmodium PI4KIIIβ, cGMP-dependent protein kinase, and cyclin-dependent-like kinase 3.
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Affiliation(s)
- Lauren B. Arendse
- Drug
Discovery and Development Centre (H3D), South African Medical Research
Council Drug Discovery and Development Research Unit, Department of
Chemistry, and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch, Cape Town, Western Cape 7701, South Africa
| | - Susan Wyllie
- Wellcome
Centre for Anti-Infectives Research, Division of Biological Chemistry
and Drug Discovery, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Kelly Chibale
- Drug
Discovery and Development Centre (H3D), South African Medical Research
Council Drug Discovery and Development Research Unit, Department of
Chemistry, and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch, Cape Town, Western Cape 7701, South Africa
| | - Ian H. Gilbert
- Wellcome
Centre for Anti-Infectives Research, Division of Biological Chemistry
and Drug Discovery, University of Dundee, Dundee DD1 5EH, United Kingdom
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Owens RJ, Gileadi O. Streamlining the production of proteins for structural biology. Biophys Rev 2019; 11:533-534. [PMID: 31250316 PMCID: PMC6682193 DOI: 10.1007/s12551-019-00565-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 06/20/2019] [Indexed: 02/05/2023] Open
Affiliation(s)
- Raymond J Owens
- Research Complex at Harwell, Rutherford Appleton Laboratory, Oxfordshire, OX11 0FA, UK.
- Division of Structural Biology, Henry Wellcome Building for Genomic Medicine, University of Oxford, Roosevelt Drive, Oxford, OX3 7BN, UK.
| | - Opher Gileadi
- Structural Genomic Consortium, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford, OX3 7DQ, UK
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