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Li L, Yuan H, Li Q, Li K, Lin P. Microfluidics, an effective tool for supporting phage display-A review. Anal Chim Acta 2024; 1326:342978. [PMID: 39260910 DOI: 10.1016/j.aca.2024.342978] [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: 04/07/2024] [Revised: 06/27/2024] [Accepted: 07/13/2024] [Indexed: 09/13/2024]
Abstract
Phage display is a vital tool for the discovery and development of affinity reagents such as antibodies and peptides, which have great potential in imaging, molecular recognition, biosensors, targeted delivery and other clinical applications. However, affinity reagents obtained by phage display are often subjected to a process called biopanning, which is considered time-consuming, labor-intensive and lacks accurate control, limiting the acquisition of high-quality affinity reagents. Over the last two decades, several microfluidic approaches have been designed to simplify the conventional biopanning process and to realize precise control. To better understand the advantages of microfluidics over traditional biopanning and the potential of microfluidics for other molecular screening strategies, we provided an overview of recent applications of microfluidics in phage display. Additionally, the next challenges and outlooks are discussed.
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Affiliation(s)
- Liang Li
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Lab of Experimental Oncology, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
| | - Hang Yuan
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Lab of Experimental Oncology, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
| | - Qin Li
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Lab of Experimental Oncology, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
| | - Kai Li
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Lab of Experimental Oncology, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
| | - Ping Lin
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Lab of Experimental Oncology, State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
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2
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Angani MT, Owen JP, Maddison BC, Gough KC. Isolation of phage-antibodies against Eimeria species that infect chickens. J Immunol Methods 2024; 534:113759. [PMID: 39326781 DOI: 10.1016/j.jim.2024.113759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/18/2024] [Accepted: 09/23/2024] [Indexed: 09/28/2024]
Abstract
Eimeria is one of the most economically important pathogens in poultry production. Diagnosis of infection has the potential to inform treatment and prevention strategies. Here, phage display technology was used to isolate single chain antibodies (scFvs) that had a broad specificity against oocysts from the seven pathogenic species of Eimeria found in poultry. Three such scFvs, representing 2 scFv HCDR3 motifs, were isolated by random picks of clones isolated after five rounds of iterative enrichment (panning) of phage against the seven Eimeria species. Phage-antibody binding to Eimeria oocysts was also interrogated using next generation sequencing of the HCDR3 region of scFv genes contained with phage particles. This analysis demonstrated that the most abundant scFv found after 5 rounds of panning accounted for over >90 % of scFvs. Furthermore, the three scFvs isolated from random picks of clones were the only antibodies that were enriched through each round of panning. They were also seen to be enriched through the stages of phage panning that included binding to the Eimeria oocysts (selection phase) and to be selected against during the stages that consisted solely of phage propagation (growth only phase). The NGS data was further analysed to identify an additional scFv that demonstrated specific enrichment against 3 Eimeria species at the third round of panning and had the same pattern of enrichment during the selection and growth phases of panning. Rescue and analysis of this phage-scFv demonstrated a binder with broad specificity for Eimeria species. The four antibodies with broad specificity detected all seven Eimeria species in immunoassays. The binding of one such scFv that recognised all species was further validated by fluorescent microscopy.
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Affiliation(s)
- Mary T Angani
- School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, College Road, Sutton Bonington, Leicestershire LE12 5RD, UK.
| | - Jonathan P Owen
- ADAS Biotechnology, School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, College Road, Sutton Bonington, Leicestershire LE12 5RD, UK.
| | - Ben C Maddison
- ADAS Biotechnology, School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, College Road, Sutton Bonington, Leicestershire LE12 5RD, UK.
| | - Kevin C Gough
- School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, College Road, Sutton Bonington, Leicestershire LE12 5RD, UK.
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3
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Ribeiro R, Moreira JN, Goncalves J. Development of a new affinity maturation protocol for the construction of an internalizing anti-nucleolin antibody library. Sci Rep 2024; 14:10608. [PMID: 38719911 PMCID: PMC11079059 DOI: 10.1038/s41598-024-61230-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 05/02/2024] [Indexed: 05/12/2024] Open
Abstract
Over the last decades, monoclonal antibodies have substantially improved the treatment of several conditions. The continuous search for novel therapeutic targets and improvements in antibody's structure, demands for a constant optimization of their development. In this regard, modulation of an antibody's affinity to its target has been largely explored and culminated in the discovery and optimization of a variety of molecules. It involves the creation of antibody libraries and selection against the target of interest. In this work, we aimed at developing a novel protocol to be used for the affinity maturation of an antibody previously developed by our group. An antibody library was constructed using an in vivo random mutagenesis approach that, to our knowledge, has not been used before for antibody development. Then, a cell-based phage display selection protocol was designed to allow the fast and simple screening of antibody clones capable of being internalized by target cells. Next generation sequencing coupled with computer analysis provided an extensive characterization of the created library and post-selection pool, that can be used as a guide for future antibody development. With a single selection step, an enrichment in the mutated antibody library, given by a decrease in almost 50% in sequence diversity, was achieved, and structural information useful in the study of the antibody-target interaction in the future was obtained.
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Affiliation(s)
- Rita Ribeiro
- CNC-Center for Neurosciences and Cell Biology, Center for Innovative Biomedicine and Biotechnology (CIBB), Faculty of Medicine (Polo 1), University of Coimbra, Coimbra, Portugal
- Faculty of Pharmacy, iMed.ULisboa - Research Institute for Medicines, University of Lisbon, Lisbon, Portugal
- Univ Coimbra-University of Coimbra, CIBB, Faculty of Pharmacy, Coimbra, Portugal
| | - João N Moreira
- CNC-Center for Neurosciences and Cell Biology, Center for Innovative Biomedicine and Biotechnology (CIBB), Faculty of Medicine (Polo 1), University of Coimbra, Coimbra, Portugal.
- Univ Coimbra-University of Coimbra, CIBB, Faculty of Pharmacy, Coimbra, Portugal.
| | - João Goncalves
- Faculty of Pharmacy, iMed.ULisboa - Research Institute for Medicines, University of Lisbon, Lisbon, Portugal.
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4
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Pang S, Yu H, Zhang Y, Jiao Y, Zheng Z, Wang M, Zhang H, Liu A. Bioscreening specific peptide-expressing phage and its application in sensitive dual-mode immunoassay of SARS-CoV-2 spike antigen. Talanta 2024; 266:125093. [PMID: 37611368 DOI: 10.1016/j.talanta.2023.125093] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/25/2023]
Abstract
Biorecognition components with high affinity and selectivity are vital in bioassay to diagnose and treat epidemic disease. Herein a phage display strategy of combining single-amplification-panning with non-amplification-panning was developed, by which a phage displaying cyclic heptapeptide ACLDWLFNSC (peptide J4) with good affinity and specificity to SARS-CoV-2 spike protein (SP) was identified. Molecular docking suggests that peptide J4 binds to S2 subunit by hydrogen bonding and hydrophobic interaction. Then the J4-phage was used as the capture antibody to establish phage-based chemiluminescence immunoassay (CLIA) and electrochemical impedance spectroscopy (EIS) analytical systems. The as-proposed dual-modal immunoassay platform exhibited good sensitivity and reliability in SARS-CoV-2 SP and pseudovirus assay. The limit of detection for SARS-CoV-2 SP by EIS immunoassay is 0.152 pg/mL, which is dramatically lower than that of 42 pg/mL for J4-phage based CLIA. Further, low to 40 transducing units (TU)/mL, 10 TU/mL SARS-CoV-2 pseudoviruses can be detected by the proposed J4-phage based CLIA and electrochemical immunosensor, respectively. Therefore, the as-developed dual mode immunoassays are potential methods to detect SARS-CoV-2. It is also expected to explore various phages with specific peptides to different targets for bioanalysis.
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Affiliation(s)
- Shuang Pang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Haipeng Yu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Yaru Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Yiming Jiao
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Zongmei Zheng
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China; Qingdao Hightop Biotech Co., Ltd, 369 Hedong Road, Hi-tech Industrial Development Zone, Qingdao, 266112, China
| | - Mingyang Wang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Haohan Zhang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Rd, Qingdao, 266071, China.
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5
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Keller AP, Huemer M, Chang CC, Mairpady Shambat S, Bjurnemark C, Oberortner N, Santschi MV, Zinsli LV, Röhrig C, Sobieraj AM, Shen Y, Eichenseher F, Zinkernagel AS, Loessner MJ, Schmelcher M. Systemic application of bone-targeting peptidoglycan hydrolases as a novel treatment approach for staphylococcal bone infection. mBio 2023; 14:e0183023. [PMID: 37768041 PMCID: PMC10653945 DOI: 10.1128/mbio.01830-23] [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: 07/19/2023] [Accepted: 08/08/2023] [Indexed: 09/29/2023] Open
Abstract
IMPORTANCE The rising prevalence of antimicrobial resistance in S. aureus has rendered treatment of staphylococcal infections increasingly difficult, making the discovery of alternative treatment options a high priority. Peptidoglycan hydrolases, a diverse group of bacteriolytic enzymes, show high promise as such alternatives due to their rapid and specific lysis of bacterial cells, independent of antibiotic resistance profiles. However, using these enzymes for the systemic treatment of local infections, such as osteomyelitis foci, needs improvement, as the therapeutic distributes throughout the whole host, resulting in low concentrations at the actual infection site. In addition, the occurrence of intracellularly persisting bacteria can lead to relapsing infections. Here, we describe an approach using tissue-targeting to increase the local concentration of therapeutic enzymes in the infected bone. The enzymes were modified with a short targeting moiety that mediated accumulation of the therapeutic in osteoblasts and additionally enables targeting of intracellularly surviving bacteria.
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Affiliation(s)
- Anja P. Keller
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Markus Huemer
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Chun-Chi Chang
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Srikanth Mairpady Shambat
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | | | - Nicole Oberortner
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | | | - Léa V. Zinsli
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Christian Röhrig
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Anna M. Sobieraj
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Yang Shen
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Fritz Eichenseher
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Annelies S. Zinkernagel
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Martin J. Loessner
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Mathias Schmelcher
- Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
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6
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Wang F, Gu Z, Yin Z, Zhang W, Bai L, Su J. Cell unit-inspired natural nano-based biomaterials as versatile building blocks for bone/cartilage regeneration. J Nanobiotechnology 2023; 21:293. [PMID: 37620914 PMCID: PMC10463900 DOI: 10.1186/s12951-023-02003-0] [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: 06/01/2023] [Accepted: 07/13/2023] [Indexed: 08/26/2023] Open
Abstract
The regeneration of weight-bearing bone defects and critical-sized cartilage defects remains a significant challenge. A wide range of nano-biomaterials are available for the treatment of bone/cartilage defects. However, their poor compatibility and biodegradability pose challenges to the practical applications of these nano-based biomaterials. Natural biomaterials inspired by the cell units (e.g., nucleic acids and proteins), have gained increasing attention in recent decades due to their versatile functionality, compatibility, biodegradability, and great potential for modification, combination, and hybridization. In the field of bone/cartilage regeneration, natural nano-based biomaterials have presented an unparalleled role in providing optimal cues and microenvironments for cell growth and differentiation. In this review, we systematically summarize the versatile building blocks inspired by the cell unit used as natural nano-based biomaterials in bone/cartilage regeneration, including nucleic acids, proteins, carbohydrates, lipids, and membranes. In addition, the opportunities and challenges of natural nano-based biomaterials for the future use of bone/cartilage regeneration are discussed.
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Affiliation(s)
- Fuxiao Wang
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
| | - Zhengrong Gu
- Department of Orthopedics, Shanghai Baoshan Luodian Hospital, Baoshan District, Shanghai, China
| | - Zhifeng Yin
- Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai, China
| | - Wencai Zhang
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine (TCM), Guangzhou, China.
| | - Long Bai
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
| | - Jiacan Su
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China.
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7
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Li Y, Yang KD, Duan HY, Du YN, Ye JF. Phage-based peptides for pancreatic cancer diagnosis and treatment: alternative approach. Front Microbiol 2023; 14:1231503. [PMID: 37601380 PMCID: PMC10433397 DOI: 10.3389/fmicb.2023.1231503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/06/2023] [Indexed: 08/22/2023] Open
Abstract
Pancreatic cancer is a devastating disease with a high mortality rate and a lack of effective therapies. The challenges associated with early detection and the highly aggressive nature of pancreatic cancer have limited treatment options, underscoring the urgent need for better disease-modifying therapies. Peptide-based biotherapeutics have become an attractive area of research due to their favorable properties such as high selectivity and affinity, chemical modifiability, good tissue permeability, and easy metabolism and excretion. Phage display, a powerful technique for identifying peptides with high affinity and specificity for their target molecules, has emerged as a key tool in the discovery of peptide-based drugs. Phage display technology involves the use of bacteriophages to express peptide libraries, which are then screened against a target of interest to identify peptides with desired properties. This approach has shown great promise in cancer diagnosis and treatment, with potential applications in targeting cancer cells and developing new therapies. In this comprehensive review, we provide an overview of the basic biology of phage vectors, the principles of phage library construction, and various methods for binding affinity assessment. We then describe the applications of phage display in pancreatic cancer therapy, targeted drug delivery, and early detection. Despite its promising potential, there are still challenges to be addressed, such as optimizing the selection process and improving the pharmacokinetic properties of phage-based drugs. Nevertheless, phage display represents a promising approach for the development of novel targeted therapies in pancreatic cancer and other tumors.
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Affiliation(s)
- Yang Li
- General Surgery Center, First Hospital of Jilin University, Changchun, China
- School of Nursing, Jilin University, Changchun, China
| | - Kai-di Yang
- General Surgery Center, First Hospital of Jilin University, Changchun, China
- School of Nursing, Jilin University, Changchun, China
| | - Hao-yu Duan
- General Surgery Center, First Hospital of Jilin University, Changchun, China
- School of Nursing, Jilin University, Changchun, China
| | - Ya-nan Du
- General Surgery Center, First Hospital of Jilin University, Changchun, China
- School of Nursing, Jilin University, Changchun, China
| | - Jun-feng Ye
- General Surgery Center, First Hospital of Jilin University, Changchun, China
- School of Nursing, Jilin University, Changchun, China
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8
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Alizadeh Sahraei A, Mejia Bohorquez B, Tremblay D, Moineau S, Garnier A, Larachi F, Lagüe P. Insight into the Binding Mechanisms of Quartz-Selective Peptides: Toward Greener Flotation Processes. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17922-17937. [PMID: 37010879 PMCID: PMC10103053 DOI: 10.1021/acsami.3c01275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/16/2023] [Indexed: 06/19/2023]
Abstract
Mining practices, chiefly froth flotation, are being critically reassessed to replace their use of biohazardous chemical reagents in favor of biofriendly alternatives as a path toward green processes. In this regard, this study aimed at evaluating the interactions of peptides, as potential floatation collectors, with quartz using phage display and molecular dynamics (MD) simulations. Quartz-selective peptide sequences were initially identified by phage display at pH = 9 and further modeled by a robust simulation scheme combining classical MD, replica exchange MD, and steered MD calculations. Our residue-specific analyses of the peptides revealed that positively charged arginine and lysine residues were favorably attracted by the quartz surface at basic pH. The negatively charged residues at pH 9 (i.e., aspartic acid and glutamic acid) further showed affinity toward the quartz surface through electrostatic interactions with the positively charged surface-bound Na+ ions. The best-binding heptapeptide combinations, however, contained both positively and negatively charged residues in their composition. The flexibility of peptide chains was also shown to directly affect the adsorption behavior of the peptide. While attractive intrapeptide interactions were dominated by a weak peptide-quartz binding, the repulsive self-interactions in the peptides improved the binding propensity to the quartz surface. Our results showed that MD simulations are fully capable of revealing mechanistic details of peptide adsorption to inorganic surfaces and are an invaluable tool to accelerate the rational design of peptide sequences for mineral processing applications.
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Affiliation(s)
- Abolfazl Alizadeh Sahraei
- Department
of Chemical Engineering, Université
Laval, 1065 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Barbara Mejia Bohorquez
- Department
of Chemical Engineering, Université
Laval, 1065 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- PROTEO,
The Quebec Network for Research on Protein Function, Engineering,
and Applications, 1045
Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Denise Tremblay
- PROTEO,
The Quebec Network for Research on Protein Function, Engineering,
and Applications, 1045
Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- IBIS,
Institut de biologie intégrative et des systèmes, 1030 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- Department
of Biochemistry, Microbiology and Bioinformatics, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Sylvain Moineau
- PROTEO,
The Quebec Network for Research on Protein Function, Engineering,
and Applications, 1045
Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- IBIS,
Institut de biologie intégrative et des systèmes, 1030 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- Department
of Biochemistry, Microbiology and Bioinformatics, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Alain Garnier
- Department
of Chemical Engineering, Université
Laval, 1065 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- PROTEO,
The Quebec Network for Research on Protein Function, Engineering,
and Applications, 1045
Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Faïçal Larachi
- Department
of Chemical Engineering, Université
Laval, 1065 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Patrick Lagüe
- PROTEO,
The Quebec Network for Research on Protein Function, Engineering,
and Applications, 1045
Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- IBIS,
Institut de biologie intégrative et des systèmes, 1030 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
- Department
of Biochemistry, Microbiology and Bioinformatics, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
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9
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Depth of Sequencing Plays a Determining Role in the Characterization of Phage Display Peptide Libraries by NGS. Int J Mol Sci 2023; 24:ijms24065396. [PMID: 36982469 PMCID: PMC10049078 DOI: 10.3390/ijms24065396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/27/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Next-generation sequencing (NGS) has raised a growing interest in phage display research. Sequencing depth is a pivotal parameter for using NGS. In the current study, we made a side-by-side comparison of two NGS platforms with different sequencing depths, denoted as lower-throughput (LTP) and higher-throughput (HTP). The capacity of these platforms for characterization of the composition, quality, and diversity of the unselected Ph.D.TM-12 Phage Display Peptide Library was investigated. Our results indicated that HTP sequencing detects a considerably higher number of unique sequences compared to the LTP platform, thus covering a broader diversity of the library. We found a larger percentage of singletons, a smaller percentage of repeated sequences, and a greater percentage of distinct sequences in the LTP datasets. These parameters suggest a higher library quality, resulting in potentially misleading information when using LTP sequencing for such assessment. Our observations showed that HTP reveals a broader distribution of peptide frequencies, thus revealing increased heterogeneity of the library by the HTP approach and offering a comparatively higher capacity for distinguishing peptides from each other. Our analyses suggested that LTP and HTP datasets show discrepancies in their peptide composition and position-specific distribution of amino acids within the library. Taken together, these findings lead us to the conclusion that a higher sequencing depth can yield more in-depth insights into the composition of the library and provide a more complete picture of the quality and diversity of phage display peptide libraries.
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10
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Targeting Agents in Biomaterial-Mediated Bone Regeneration. Int J Mol Sci 2023; 24:ijms24032007. [PMID: 36768328 PMCID: PMC9916506 DOI: 10.3390/ijms24032007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Bone diseases are a global public concern that affect millions of people. Even though current treatments present high efficacy, they also show several side effects. In this sense, the development of biocompatible nanoparticles and macroscopic scaffolds has been shown to improve bone regeneration while diminishing side effects. In this review, we present a new trend in these materials, reporting several examples of materials that specifically recognize several agents of the bone microenvironment. Briefly, we provide a subtle introduction to the bone microenvironment. Then, the different targeting agents are exposed. Afterward, several examples of nanoparticles and scaffolds modified with these agents are shown. Finally, we provide some future perspectives and conclusions. Overall, this topic presents high potential to create promising translational strategies for the treatment of bone-related diseases. We expect this review to provide a comprehensive description of the incipient state-of-the-art of bone-targeting agents in bone regeneration.
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11
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Spiliotopoulos A, Maurer SK, Tsoumpeli MT, Bonfante JAF, Owen JP, Gough KC, Dreveny I. Next-Generation Phage Display to Identify Peptide Ligands of Deubiquitinases. Methods Mol Biol 2023; 2591:189-218. [PMID: 36350550 DOI: 10.1007/978-1-0716-2803-4_12] [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] [Indexed: 06/16/2023]
Abstract
Phage display (PD) is a powerful method and has been extensively used to generate monoclonal antibodies and identify epitopes, mimotopes, and protein interactions. More recently, the combination of next-generation sequencing (NGS) with PD (NGPD) has revolutionized the capabilities of the method by creating large data sets of sequences from affinity selection-based approaches (biopanning) otherwise challenging to obtain. NGPD can monitor motif enrichment, allow tracking of the selection process over consecutive rounds, and highlight unspecific binders. To tackle the wealth of data obtained, bioinformatics tools have been developed that allow for identifying specific binding sequences (binders) that can then be validated. Here, we provide a detailed account of the use of NGPD experiments to identify ubiquitin-specific protease peptide ligands.
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Affiliation(s)
- Anastasios Spiliotopoulos
- Biodiscovery Institute, School of Pharmacy, University of Nottingham, Nottingham, UK
- School of Veterinary Medicine and Science, Sutton Bonington Campus, Sutton Bonington, Leicestershire, UK
- Vertex Pharmaceuticals, Abingdon, Oxfordshire, UK
| | - Sigrun K Maurer
- Biodiscovery Institute, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Maria T Tsoumpeli
- School of Veterinary Medicine and Science, Sutton Bonington Campus, Sutton Bonington, Leicestershire, UK
| | - Juan A F Bonfante
- School of Veterinary Medicine and Science, Sutton Bonington Campus, Sutton Bonington, Leicestershire, UK
| | - Jonathan P Owen
- ADAS UK, School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington, Loughborough, Leicestershire, UK
| | - Kevin C Gough
- School of Veterinary Medicine and Science, Sutton Bonington Campus, Sutton Bonington, Leicestershire, UK.
| | - Ingrid Dreveny
- Biodiscovery Institute, School of Pharmacy, University of Nottingham, Nottingham, UK.
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12
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Miki T, Namii K, Seko K, Kakehi S, Moro G, Mihara H. Pattern enrichment analysis for phage selection of stapled peptide ligands. Chem Sci 2022; 13:12634-12642. [PMID: 36519040 PMCID: PMC9645375 DOI: 10.1039/d2sc04058a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/11/2022] [Indexed: 08/22/2023] Open
Abstract
Phage display is the most widely used technique to discover de novo peptides that bind to target proteins. However, it is associated with some challenges such as compositional bias. In this study, to overcome these difficulties, we devised a 'pattern enrichment analysis.' In this method, two samples (one obtained by affinity selection, the other simply amplified without selection) are prepared, and the two sequence datasets read on next-generation sequencer are compared to find the three-residue pattern most enriched in the selected sample. This allows us to compare two sequence datasets with high coverage and facilitates the identification of peptide sequences and the key residues for binding. We also demonstrated that this approach in the combination with structured peptide libraries allowed spatial mapping of the enriched sequence patterns. Here, we prepared a phage library displaying chemically stapled helical peptides with the X1C2X3X4X5X6X7X8C9X10 sequence, where X is any amino acid. To validate our method, we performed screening against the HDM2 protein. The results showed that the hydrophobic residues (Phe, Tyr, Trp and Leu) that are key to interactions with HDM2 were clearly identified by the pattern enrichment analysis. We also performed selection targeting the SARS-CoV-2 spike RBD in the same manner. The results showed that similar patterns were enriched among the hit peptides that inhibited the protein-protein interaction.
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Affiliation(s)
- Takayuki Miki
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
| | - Keigo Namii
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
| | - Kenta Seko
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
| | - Shota Kakehi
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
| | - Goshi Moro
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
| | - Hisakazu Mihara
- School of Life Science and Technology, Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama Kanagawa 226-8501 Japan
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Qi H, Xue JB, Lai DY, Li A, Tao SC. Current advances in antibody-based serum biomarker studies: From protein microarray to phage display. Proteomics Clin Appl 2022; 16:e2100098. [PMID: 36071670 DOI: 10.1002/prca.202100098] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 08/16/2022] [Accepted: 09/05/2022] [Indexed: 12/30/2022]
Abstract
PURPOSE This review aims to summarize the technological advances in the field of antibody-based biomarker studies by proteome microarray and phage display. In addition, the possible development directions of this field are also discussed. EXPERIMENTAL DESIGN We have focused on the antibody profiling by proteome microarray and phage display, including the technological advances, the tools/resources constructed, and the characteristics of both platforms. RESULTS With the help of tools/resources and technological advances in proteome microarray and phage display, the efficiency of profiling antibody-based biomarkers in serum samples has been greatly improved. CONCLUSIONS In the past few years, proteome microarray and phage display, especially the latter one, have already demonstrated their capacity and efficiency for biomarker identification. In the near future, we believe that more antibody-based biomarkers could be identified, and some of them could eventually be developed into real clinical applications.
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Affiliation(s)
- Huan Qi
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China
| | - Jun-Biao Xue
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China
| | - Dan-Yun Lai
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China
| | - Ang Li
- College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Sheng-Ce Tao
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China
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14
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Sloth AB, Bakhshinejad B, Jensen M, Stavnsbjerg C, Liisberg MB, Rossing M, Kjaer A. Analysis of Compositional Bias in a Commercial Phage Display Peptide Library by Next-Generation Sequencing. Viruses 2022; 14:v14112402. [PMID: 36366500 PMCID: PMC9697088 DOI: 10.3390/v14112402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 01/31/2023] Open
Abstract
The principal presumption of phage display biopanning is that the naïve library contains an unbiased repertoire of peptides, and thus, the enriched variants derive from the affinity selection of an entirely random peptide pool. In the current study, we utilized deep sequencing to characterize the widely used Ph.DTM-12 phage display peptide library (New England Biolabs). The next-generation sequencing (NGS) data indicated the presence of stop codons and a high abundance of wild-type clones in the naïve library, which collectively result in a reduced effective size of the library. The analysis of the DNA sequence logo and global and position-specific frequency of amino acids demonstrated significant bias in the nucleotide and amino acid composition of the library inserts. Principal component analysis (PCA) uncovered the existence of four distinct clusters in the naïve library and the investigation of peptide frequency distribution revealed a broad range of unequal abundances for peptides. Taken together, our data provide strong evidence for the notion that the naïve library represents substantial departures from randomness at the nucleotide, amino acid, and peptide levels, though not undergoing any selective pressure for target binding. This non-uniform sequence representation arises from both the M13 phage biology and technical errors of the library construction. Our findings highlight the paramount importance of the qualitative assessment of the naïve phage display libraries prior to biopanning.
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Affiliation(s)
- Ane Beth Sloth
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Babak Bakhshinejad
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Malte Jensen
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Camilla Stavnsbjerg
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Mikkel Baldtzer Liisberg
- Nano-Science Center, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
| | - Maria Rossing
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Andreas Kjaer
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Correspondence:
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15
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Hu B, Zhang Y, Zhang G, Li Z, Jing Y, Yao J, Sun S. Research progress of bone-targeted drug delivery system on metastatic bone tumors. J Control Release 2022; 350:377-388. [PMID: 36007681 DOI: 10.1016/j.jconrel.2022.08.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 10/15/2022]
Abstract
Bone metastases are common in malignant tumors and the effect of conventional treatment is limited. How to effectively inhibit tumor bone metastasis and deliver the drug to the bone has become an urgent issue to be solved. While bone targeting drug delivery systems have obvious advantages in the treatment of bone tumors. The research on bone-targeted anti-tumor therapy has made significant progress in recent years. We introduced the related tumor pathways of bone metastases. The tumor microenvironment plays an important role in metastatic bone tumors. We introduce a drug-loading systems based on different environment-responsive nanocomposites for anti-tumor and anti-metastatic research. According to the process of bone metastases and the structure of bone tissue, we summarized the information on bone-targeting molecules. Bisphosphate has become the first choice of bone-targeted drug delivery carrier because of its affinity with hydroxyapatite in bone. Therefore, we sought to summarize the bone-targeting molecule of bisphosphate to identify the modification effect on bone-targeting. And this paper discusses the relationship between bisphosphate bone targeting molecular structure and drug delivery carriers, to provide some new ideas for the research and development of bone-targeting drug delivery carriers. Targeted therapy will make a more outstanding contribution to the treatment of tumors.
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Affiliation(s)
- Beibei Hu
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China; State Key Laboratory Breeding Base-Hebei Province, Key Laboratory of Molecular Chemistry for Drug, 26 Yuxiang Road, Shijiazhuang 050018, PR China
| | - Yongkang Zhang
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China
| | - Guogang Zhang
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China
| | - Zhongqiu Li
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China
| | - Yongshuai Jing
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China
| | - Jun Yao
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China.
| | - Shiguo Sun
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, PR China.
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16
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Martinez BI, Mousa GA, Fleck K, MacCulloch T, Diehnelt CW, Stephanopoulos N, Stabenfeldt SE. Uncovering temporospatial sensitive TBI targeting strategies via in vivo phage display. SCIENCE ADVANCES 2022; 8:eabo5047. [PMID: 35867794 PMCID: PMC9307250 DOI: 10.1126/sciadv.abo5047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
The heterogeneous pathophysiology of traumatic brain injury (TBI) is a barrier to advancing diagnostics and therapeutics, including targeted drug delivery. We used a unique discovery pipeline to identify novel targeting motifs that recognize specific temporal phases of TBI pathology. This pipeline combined in vivo biopanning with domain antibody (dAb) phage display, next-generation sequencing analysis, and peptide synthesis. We identified targeting motifs based on the complementarity-determining region 3 structure of dAbs for acute (1 day post-injury) and subacute (7 days post-injury) post-injury time points in a preclinical TBI model (controlled cortical impact). Bioreactivity and temporal sensitivity of the targeting motifs were validated via immunohistochemistry. Immunoprecipitation-mass spectrometry indicated that the acute TBI targeting motif recognized targets associated with metabolic and mitochondrial dysfunction, whereas the subacute TBI motif was largely associated with neurodegenerative processes. This pipeline successfully discovered temporally specific TBI targeting motif/epitope pairs that will serve as the foundation for the next-generation targeted TBI therapeutics and diagnostics.
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Affiliation(s)
- Briana I. Martinez
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Gergey Alzaem Mousa
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Kiera Fleck
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Tara MacCulloch
- School of Molecular Sciences, Arizona State University, Tempe, AZ, USA
- Biodesign Institute Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Chris W. Diehnelt
- Biodesign Institute Center for Innovations in Medicine, Arizona State University, Tempe, AZ, USA
| | - Nicholas Stephanopoulos
- School of Molecular Sciences, Arizona State University, Tempe, AZ, USA
- Biodesign Institute Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, USA
| | - Sarah E. Stabenfeldt
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
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17
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Hruškovicová J, Bhide K, Petroušková P, Tkáčová Z, Mochnáčová E, Čurlík J, Bhide M, Kulkarni A. Engineering the Single Domain Antibodies Targeting Receptor Binding Motifs Within the Domain III of West Nile Virus Envelope Glycoprotein. Front Microbiol 2022; 13:801466. [PMID: 35432292 PMCID: PMC9012491 DOI: 10.3389/fmicb.2022.801466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/19/2022] [Indexed: 11/13/2022] Open
Abstract
West Nile virus (WNV) is a mosquito-borne neurotrophic flavivirus causing mild febrile illness to severe encephalitis and acute flaccid paralysis with long-term or permanent neurological disorders. Due to the absence of targeted therapy or vaccines, there is a growing need to develop effective anti-WNV therapy. In this study, single-domain antibodies (sdAbs) were developed against the domain III (DIII) of WNV’s envelope glycoprotein to interrupt the interaction between DIII and the human brain microvascular endothelial cells (hBMEC). The peripheral blood mononuclear cells of the llama immunized with recombinant DIIIL297–S403 (rDIII) were used to generate a variable heavy chain only (VHH)-Escherichia coli library, and phage display was performed using the M13K07ΔpIII Hyperphages system. Phages displaying sdAbs against rDIII were panned with the synthetic analogs of the DIII receptor binding motifs, DIII-1G299–K307 and DIII-2V371–R388, and the VHH gene from the eluted phages was subcloned into E. coli SHuffle. Soluble sdAbs purified from 96 E. coli SHuffle clones were screened to identify 20 candidates strongly binding to the synthetic analogs of DIII-1G299–K307 and DIII-2V371–R388 on a dot blot assay. Among them, sdAbA1, sdAbA6, sdAbA9, and sdAbA10 blocked the interaction between rDIII and human brain microvascular endothelial cells (hBMECs) on Western blot and cell ELISA. However, optimum stability during the overexpression was noticed only for sdAbA10 and it also neutralized the WNV–like particles (WNV-VLP) in the Luciferase assay with an half maximal effective concentration (EC50) of 1.48 nm. Furthermore, the hemocompatibility and cytotoxicity of sdAbA10 were assessed by a hemolytic assay and XTT-based hBMEC proliferation assay resulting in 0.1% of hemolytic activity and 82% hBMEC viability, respectively. Therefore, the sdAbA10 targeting DIII-2V371–R388 of the WNV envelope glycoprotein is observed to be suitable for in vivo trials as a specific therapy for WNV–induced neuropathogenesis.
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Affiliation(s)
- Jana Hruškovicová
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Katarína Bhide
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Patrícia Petroušková
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Zuzana Tkáčová
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Evelína Mochnáčová
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Ján Čurlík
- Department of Breeding and Diseases of Game, Fish and Bees, Ecology and Cynology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
| | - Mangesh Bhide
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Amod Kulkarni
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Košice, Slovakia
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovakia
- *Correspondence: Amod Kulkarni,
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18
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Resemblance-Ranking Peptide Library to Screen for Binders to Antibodies on a Peptidomic Scale. Int J Mol Sci 2022; 23:ijms23073515. [PMID: 35408876 PMCID: PMC8999133 DOI: 10.3390/ijms23073515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 02/04/2023] Open
Abstract
A novel resemblance-ranking peptide library with 160,000 10-meric peptides was designed to search for selective binders to antibodies. The resemblance-ranking principle enabled the selection of sequences that are most similar to the human peptidome. The library was synthesized with ultra-high-density peptide arrays. As proof of principle, screens for selective binders were performed for the therapeutic anti-CD20 antibody rituximab. Several features in the amino acid composition of antibody-binding peptides were identified. The selective affinity of rituximab increased with an increase in the number of hydrophobic amino acids in a peptide, mainly tryptophan and phenylalanine, while a total charge of the peptide remained relatively small. Peptides with a higher affinity exhibited a lower sum helix propensity. For the 30 strongest peptide binders, a substitutional analysis was performed to determine dissociation constants and the invariant amino acids for binding to rituximab. The strongest selective peptides had a dissociation constant in the hundreds of the nano-molar range. The substitutional analysis revealed a specific hydrophobic epitope for rituximab. To show that conformational binders can, in principle, be detected in array format, cyclic peptide substitutions that are similar to the target of rituximab were investigated. Since the specific binders selected via the resemblance-ranking peptide library were based on the hydrophobic interactions that are widespread in the world of biomolecules, the library can be used to screen for potential linear epitopes that may provide information about the cross-reactivity of antibodies.
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19
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Kamstrup Sell D, Sloth AB, Bakhshinejad B, Kjaer A. A White Plaque, Associated with Genomic Deletion, Derived from M13KE-Based Peptide Library Is Enriched in a Target-Unrelated Manner during Phage Display Biopanning Due to Propagation Advantage. Int J Mol Sci 2022; 23:ijms23063308. [PMID: 35328728 PMCID: PMC8950111 DOI: 10.3390/ijms23063308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/07/2022] [Accepted: 03/16/2022] [Indexed: 12/10/2022] Open
Abstract
The nonspecific enrichment of target-unrelated peptides during biopanning remains a major drawback for phage display technology. The commercial Ph.D.TM-7 phage display library is used extensively for peptide discovery. This library is based on the M13KE vector, which carries the lacZα sequence, leading to the formation of blue plaques on IPTG-X-gal agar plates. In the current study, we report the isolation of a fast-propagating white clone (displaying WSLGYTG peptide) identified through screening against a recombinant protein. Sanger sequencing demonstrated that white plaques are not contamination from environmental M13-like phages, but derive from the library itself. Whole genome sequencing revealed that the white color of the plaques results from a large 827-nucleotide genomic deletion. The phenotypic characterization of propagation capacity through plaque count- and NGS-based competitive propagation assay supported the higher propagation rate of Ph-WSLGYTG clone compared with the library. According to our data, white plaques are likely to arise endogenously in Ph.D. libraries due to mutations in the M13KE genome and should not always be viewed as exogenous contamination. Our findings also led to the conclusion that the deletion observed here might be an ancestral mutation already present in the naïve library, which causes target-unrelated nonspecific enrichment of white clone during biopanning due to propagation advantage.
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20
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Zambrano N, Froechlich G, Lazarevic D, Passariello M, Nicosia A, De Lorenzo C, Morelli MJ, Sasso E. High-Throughput Monoclonal Antibody Discovery from Phage Libraries: Challenging the Current Preclinical Pipeline to Keep the Pace with the Increasing mAb Demand. Cancers (Basel) 2022; 14:cancers14051325. [PMID: 35267633 PMCID: PMC8909429 DOI: 10.3390/cancers14051325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/25/2022] [Accepted: 03/02/2022] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Monoclonal antibodies are increasingly used for a broad range of diseases. Rising demand must face with time time-consuming and laborious processes to isolate novel monoclonal antibodies. Next-generation sequencing coupled to phage display provides timely and sustainable high throughput selection strategy to rapidly access novel target. Here, we describe the current NGS-guided strategies to identify potential binders from enriched sub-libraires by applying a user-friendly informatic pipeline to identify and discard false positive clones. Rescue step and strategies to boost mAb yield are also discussed to improve the limiting selection and screening steps. Abstract Monoclonal antibodies are among the most powerful therapeutics in modern medicine. Since the approval of the first therapeutic antibody in 1986, monoclonal antibodies keep holding great expectations for application in a range of clinical indications, highlighting the need to provide timely and sustainable access to powerful screening options. However, their application in the past has been limited by time-consuming and expensive steps of discovery and production. The screening of antibody repertoires is a laborious step; however, the implementation of next-generation sequencing-guided screening of single-chain antibody fragments has now largely overcome this issue. This review provides a detailed overview of the current strategies for the identification of monoclonal antibodies from phage display-based libraries. We also discuss the challenges and the possible solutions to improve the limiting selection and screening steps, in order to keep pace with the increasing demand for monoclonal antibodies.
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Affiliation(s)
- Nicola Zambrano
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
- Correspondence: (N.Z.); (E.S.)
| | - Guendalina Froechlich
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
| | - Dejan Lazarevic
- Center for Omics Sciences Ospedale San Raffaele, Via Olgettina 58, 20132 Milano, Italy; (D.L.); (M.J.M.)
| | - Margherita Passariello
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
| | - Alfredo Nicosia
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
| | - Claudia De Lorenzo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
| | - Marco J. Morelli
- Center for Omics Sciences Ospedale San Raffaele, Via Olgettina 58, 20132 Milano, Italy; (D.L.); (M.J.M.)
| | - Emanuele Sasso
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Degli Studi di Napoli Federico II, Via Pansini 5, 80131 Napoli, Italy; (G.F.); (M.P.); (A.N.); (C.D.L.)
- CEINGE—Biotecnologie Avanzate s.c. a.r.l., Via Gaetano Salvatore 486, 80145 Naples, Italy
- Correspondence: (N.Z.); (E.S.)
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21
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A Simple Whole-Plasmid PCR Method to Construct High-Diversity Synthetic Phage Display Libraries. Mol Biotechnol 2022; 64:791-803. [PMID: 35107752 PMCID: PMC9217769 DOI: 10.1007/s12033-021-00442-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 12/17/2021] [Indexed: 11/03/2022]
Abstract
Phage display technology utilises peptide and antibody libraries with very high diversities to select ligands with specific binding properties. The production of such libraries can be labour intensive and technically challenging and whilst there are commercial sources of libraries, the exploitation of the resulting binders is constrained by ownership of the libraries. Here, a peptide library of ~ 1 × 109 variants for display on gene VIII was produced alongside three VHH antibody libraries with similar diversity, where 12mer, 16mer or 21mer CDR3s were introduced into the highly stable cAbBCII10 scaffold displayed on gene III. The cloning strategy used a simple whole-plasmid PCR method and type IIS restriction enzyme assembly that facilitate the seamless insertion of diversity into any suitable phage coat protein or antibody scaffold. This method reproducibly produced 1 × 109 variants from just 10 transformations and the four libraries had relatively low bias with 82 to 86% of all sequences present as single copies. The functionality of both peptide and antibody libraries were demonstrated by selection of ligands with specific binding properties by biopanning. The peptide library was used to epitope map a monoclonal antibody. The VHH libraries were pooled and used to select an antibody to recombinant human collagen type 1.
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22
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Identification of a peptide ligand facilitating percutaneous delivery of macromolecular cargo via inner root sheath in hair follicles by phage display combined with quantitative real-time PCR as a validation tool. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Jiwacharoenchai N, Tabtimmai L, Kiriwan D, Suwattanasophon C, Seetaha S, Sinthuvanich C, Choowongkomon K. A novel cyclic NP1 reveals obstruction of EGFR kinase activity and attenuation of EGFR-driven cell lines. J Cell Biochem 2021; 123:248-258. [PMID: 34633106 DOI: 10.1002/jcb.30160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/30/2021] [Accepted: 09/29/2021] [Indexed: 11/11/2022]
Abstract
Aberrations of the epidermal growth factor receptor (EGFR), for example, mutations and overexpression, play pivotal roles in various cellular functions, such as proliferation, migration, and cell differentiation. Approved small molecule-based inhibitors, including gefitinib and erlotinib, are used clinically to target the tyrosine kinase domain of EGFR (TK-EGFR). However, the severity of the side effects, off-target effects, and drug resistance is a concern. Cyclic peptides are a well-known peptide format with high stability and are promising molecules for drug development. Herein, the Ph.D.™-C7C phage display library was used to screen cyclic peptides against TK-EGFR. Biopanning, both with and without propagation methods, was performed to assess the highest capacity peptides using the enzymatic activity of TK-EGFR. Interestingly, NP1, a peptide selected during biopanning without propagation demonstrated an inhibitory effect against TK-EGFR at IC50 within the nanomolar range; this effect was better than that of P1 obtained using biopanning with propagation. Moreover, NP1 elicited EGFR with an affinity binding (KD ) value of 18.40 ± 5.50 µM by surface plasmon resonance (SPR). Introducing cell-penetrating peptides or Arginine-9 (Arg9) at the N-terminus of NP1 thus improves cell-penetrability and can lead to the inhibition of EGFR-driven cancer cell lines; however, it exhibits no hepatotoxicity. Furthermore, NP1 caused a decrease in phosphorylated EGFR after activation within cells. A docking model shows that NP1 interacted primarily with TK-EGFR via hydrogen bonding. Together, this suggests that NP1 is a novel EGFR peptide inhibitor candidate with specificity and selectivity toward TK-EGFR, and may be applied to targeted therapy.
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Affiliation(s)
- Nattanan Jiwacharoenchai
- Genetic Engineering Interdisciplinary Program, Graduate School, Kasetsart University, Bangkok, Thailand
| | - Lueacha Tabtimmai
- Department of Biotechnology, Faculty of Applied Science, King Mongkut University of North Bangkok, Bangkok, Thailand
| | - Duangnapa Kiriwan
- Genetic Engineering Interdisciplinary Program, Graduate School, Kasetsart University, Bangkok, Thailand
| | | | - Supaphorn Seetaha
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Chomdao Sinthuvanich
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand.,Center for Advanced Studies in Nanotechnology for Chemical Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, Thailand
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Weber T, Pscherer S, Gamerdinger U, Teigler-Schlegel A, Rutz N, Blau W, Rummel M, Gattenlöhner S, Tur MK. Parallel evaluation of cell‑based phage display panning strategies: Optimized selection and depletion steps result in AML blast‑binding consensus antibodies. Mol Med Rep 2021; 24:767. [PMID: 34490477 PMCID: PMC8430305 DOI: 10.3892/mmr.2021.12407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/03/2021] [Indexed: 01/15/2023] Open
Abstract
Phage display technology (PD) is a powerful technique for the generation of tumor-targeting antibodies. However, there are a number of different selection methods established in different laboratories around the world. Cell-based PD panning methods using primary tumor cells are particularly heterogeneous between laboratories, which can lead to inconsistent results. Therefore, the present study evaluated different cell-based PD selection methods regarding their potential to generate acute myeloid leukemia (AML) blast-binding antibodies. In addition to this evaluation, the present study improved the PD procedure by optimizing selection as well as depletion strategies. To the best of our knowledge, the current study demonstrated for the first time that antigen diversity during the depletion step is of importance for the enrichment of tumor-targeting phage antibodies. It is demonstrated that medium levels of depletion antigen diversity led to the most promising antibody candidates. In addition, it was determined that purification of blast cells from patients with AML by immunomagnetic separation ameliorated the selection of AML-binding phages during panning. Furthermore, suggesting a common design-related mechanism using a ‘single-pot’ PD library, such as the well-known Tomlinson single-chain fragment variable (scFv) library, the present study identified specific binding consensus phage particles in independent panning procedures. By means of these optimized strategies, four promising AML blast-binding phage particles were isolated and soluble scFv-Fc (scFv cloned to a fragment crystallizable of an IgG2a mouse antibody) fusion proteins were produced. These scFv-Fc antibodies bound the surface of AML blasts and were successfully internalized into their cytoplasm, indicating that they are potential immunoconjugate candidates for AML immunotherapy.
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Affiliation(s)
- Theresa Weber
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Sibylle Pscherer
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Ulrike Gamerdinger
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Andrea Teigler-Schlegel
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Natalja Rutz
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Wolfgang Blau
- Department for Hematology, Oncology and Palliative Care, Helios Dr Horst Schmidt Kliniken, D‑65199 Wiesbaden, Germany
| | - Mathias Rummel
- Department for Hematology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Stefan Gattenlöhner
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
| | - Mehmet Kemal Tur
- Institute of Pathology, Justus Liebig University Giessen, University Hospital Giessen and Marburg, D‑35392 Giessen, Germany
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25
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Kinimi E, Muyldermans S, Vincke C, Odongo S, Kock R, Parida S, Mahapatra M, Misinzo G. Development of Nanobodies Targeting Peste des Petits Ruminants Virus: The Prospect in Disease Diagnosis and Therapy. Animals (Basel) 2021; 11:ani11082206. [PMID: 34438664 PMCID: PMC8388416 DOI: 10.3390/ani11082206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/10/2021] [Accepted: 07/21/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Peste des petits ruminants virus (PPRV) causes a highly devastating disease, peste des petits ruminants (PPR) of sheep and goats, that threatens food security, small ruminant production, and the conservation of wild small ruminants. Current efforts are directed towards the global control and eradication of PPRV, an initiative of the World Organisation for Animal Health and Food and the Agriculture Organisation of the United Nations. A plethora of diagnostic tools for PPR were primarily developed for livestock. New innovative diagnostic tools are needed to detect PPRV in atypical hosts (e.g., Camelidae, Suidae, and Bovinae), in wildlife ecosystems, and in complex field situations. Recent studies confirmed that single-domain antigen binding fragments (nanobodies) derived from heavy-chain-only camelid antibodies have proven to be a powerful tool in diagnostics and therapeutics due to their unique properties, such as small size and strong antigen-binding affinity. Therefore, the main objective of this study was to generate PPRV-reactive nanobodies in order to set a pace for the development of diagnostic and possibly therapeutic nanobodies in the future. Initially, a strategy was developed whereby an alpaca was immunized with PPRV in order to raise an affinity-matured immune response, from which an immune nanobody library was constructed. Following phage display, nine nanobodies that specifically recognise PPRV were identified on enzyme-linked immunosorbent assay. This study has generated PPRV-reactive nanobodies and have significant implications in the development of cost-effective diagnostic tools in context with the planned eradication of PPR in the world. Abstract Peste des petits ruminants virus (PPRV) causes a highly devastating disease, peste des petits ruminants (PPR) of sheep and goats, that threatens food security, small ruminant production, and the conservation of wild small ruminants in many developing countries, especially in Africa. Robust serological and molecular diagnostic tools are available to detect PPRV infection, but they were mainly developed for domestic sheep and goats. The presence of a wide host range for PPRV does present serological diagnostic challenges. New innovative diagnostic tools are needed to detect PPRV in atypical hosts (e.g., Camelidae, Suidae, and Bovinae), in wildlife ecosystems and in complex field situations. Interestingly, single-domain antigen binding fragments (nanobodies) derived from heavy-chain-only camelid antibodies have emerged as a new hope in the development of accurate, rapid, and cost-effective diagnostic tools in veterinary and biomedical fields that are suitable for low-income countries. The main objective of this study was to construct an immune nanobody library to retrieve PPRV-reactive nanobodies that enable the development of diagnostic and therapeutic nanobodies in the future. Here, a strategy was developed whereby an alpaca (Vicugna pacos) was immunized with a live attenuated vaccine strain (PPRV/N/75/1) to raise an affinity-matured immune response in the heavy-chain-only antibody classes. The nanobody gene repertoire was engineered in pMECS-GG phagemid, whereby a ccdB gene (encoding a lethal protein) was substituted by the nanobody gene. An immune nanobody library with approximately sixty-four million independent transformants was constructed, of which 100% contained an insert with the proper size of nanobody gene. Following phage display and biopanning, nine nanobodies that specifically recognise completely inactivated PPRV were identified on enzyme-linked immunosorbent assay. They showed superb potency in rapidly identifying PPRV, which is likely to open a new perspective in the diagnosis and possible treatment of PPR infection.
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Affiliation(s)
- Edson Kinimi
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- Department of Veterinary Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3017, Morogoro 25523, Tanzania
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 25523, Tanzania
- Correspondence: (E.K.); (G.M.)
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (S.M.); (C.V.)
| | - Cécile Vincke
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (S.M.); (C.V.)
| | - Steven Odongo
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine, Animal Resources and Biosecurity (COVAB), Makerere University, Kampala 7062, Uganda;
| | - Richard Kock
- The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, UK;
| | - Satya Parida
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK;
| | - Mana Mahapatra
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK;
| | - Gerald Misinzo
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 25523, Tanzania
- Correspondence: (E.K.); (G.M.)
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Kelil A, Gallo E, Banerjee S, Adams JJ, Sidhu SS. CellectSeq: In silico discovery of antibodies targeting integral membrane proteins combining in situ selections and next-generation sequencing. Commun Biol 2021; 4:561. [PMID: 33980972 PMCID: PMC8115320 DOI: 10.1038/s42003-021-02066-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 03/24/2021] [Indexed: 02/06/2023] Open
Abstract
Synthetic antibody (Ab) technologies are efficient and cost-effective platforms for the generation of monoclonal Abs against human antigens. Yet, they typically depend on purified proteins, which exclude integral membrane proteins that require the lipid bilayers to support their native structure and function. Here, we present an Ab discovery strategy, termed CellectSeq, for targeting integral membrane proteins on native cells in complex environment. As proof of concept, we targeted three transmembrane proteins linked to cancer, tetraspanin CD151, carbonic anhydrase 9, and integrin-α11. First, we performed in situ cell-based selections to enrich phage-displayed synthetic Ab pools for antigen-specific binders. Then, we designed next-generation sequencing procedures to explore Ab diversities and abundances. Finally, we developed motif-based scoring and sequencing error-filtering algorithms for the comprehensive interrogation of next-generation sequencing pools to identify Abs with high diversities and specificities, even at extremely low abundances, which are very difficult to identify using manual sampling or sequence abundances.
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Affiliation(s)
- Abdellali Kelil
- grid.17063.330000 0001 2157 2938Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Canada
| | - Eugenio Gallo
- grid.17063.330000 0001 2157 2938Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Canada ,grid.17063.330000 0001 2157 2938Toronto Recombinant Antibody Centre, University of Toronto, Toronto, Canada
| | - Sunandan Banerjee
- grid.17063.330000 0001 2157 2938Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Canada ,grid.17063.330000 0001 2157 2938Toronto Recombinant Antibody Centre, University of Toronto, Toronto, Canada
| | - Jarrett J. Adams
- grid.17063.330000 0001 2157 2938Toronto Recombinant Antibody Centre, University of Toronto, Toronto, Canada
| | - Sachdev S. Sidhu
- grid.17063.330000 0001 2157 2938Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Canada
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27
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Mishra R, Guo Y, Kumar P, Cantón PE, Tavares CS, Banerjee R, Kuwar S, Bonning BC. Streamlined phage display library protocols for identification of insect gut binding peptides highlight peptide specificity. CURRENT RESEARCH IN INSECT SCIENCE 2021; 1:100012. [PMID: 36003592 PMCID: PMC9387513 DOI: 10.1016/j.cris.2021.100012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/09/2021] [Accepted: 02/14/2021] [Indexed: 05/10/2023]
Abstract
Phage display libraries have been used to isolate insect gut binding peptides for use as pathogen transmission blocking agents, and to provide artificial anchors for increased toxicity of bacteria-derived pesticidal proteins. Previously, phage clones displaying enriched peptides were sequenced by Sanger sequencing. Here we present a streamlined protocol for identification of insect gut binding peptides, using insect-appropriate feeding strategies, with next generation sequencing and tailored bioinformatics analyses. The bioinformatics pipeline is designed to eliminate poorly enriched and false positive peptides, and to identify peptides predicted to be stable and hydrophilic. In addition to developing streamlined protocols, we also sought to address whether candidate gut binding peptides can bind to insects from more than one order, which is an important consideration for safe, practical use of peptide-modified pesticidal proteins. To this end, we screened phage display libraries for peptides that bind to the gut epithelia of two pest insects, the Asian citrus psyllid, Diaphorina citri (Hemiptera) and beet armyworm, Spodoptera exigua (Lepidoptera), and one beneficial insect, the western honey bee, Apis mellifera (Hymenoptera). While unique peptide sequences totaling 13,427 for D. citri, 89,561 for S. exigua and 69,053 for A. mellifera were identified from phage eluted from the surface of the insect guts, final candidate pools were comprised of 53, 107 and 1423 peptides respectively. The benefits of multiple rounds of biopanning, along with peptide binding properties in relation to practical use of peptide-modified pesticidal proteins for insect pest control are discussed.
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28
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Kulkarni A, Mochnáčová E, Majerova P, Čurlík J, Bhide K, Mertinková P, Bhide M. Single Domain Antibodies Targeting Receptor Binding Pockets of NadA Restrain Adhesion of Neisseria meningitidis to Human Brain Microvascular Endothelial Cells. Front Mol Biosci 2020; 7:573281. [PMID: 33425985 PMCID: PMC7785856 DOI: 10.3389/fmolb.2020.573281] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 12/03/2020] [Indexed: 01/02/2023] Open
Abstract
Neisseria adhesin A (NadA), one of the surface adhesins of Neisseria meningitides (NM), interacts with several cell types including human brain microvascular endothelial cells (hBMECs) and play important role in the pathogenesis. Receptor binding pockets of NadA are localized on the globular head domain (A33 to K69) and the first coiled-coil domain (L121 to K158). Here, the phage display was used to develop a variable heavy chain domain (VHH) that can block receptor binding sites of recombinant NadA (rec-NadA). A phage library displaying VHH was panned against synthetic peptides (NadA-gdA33−K69 or NadA-ccL121−K158), gene encoding VHH was amplified from bound phages and re-cloned in the expression vector, and the soluble VHHs containing disulfide bonds were overexpressed in the SHuffle E. coli. From the repertoire of 96 clones, two VHHs (VHHF3–binding NadA-gdA33−K69 and VHHG9–binding NadA-ccL121−K158) were finally selected as they abrogated the interaction between rec-NadA and the cell receptor. Preincubation of NM with VHHF3 and VHHG9 significantly reduced the adhesion of NM on hBMECs in situ and hindered the traversal of NM across the in-vitro BBB model. The work presents a phage display pipeline with a single-round of panning to select receptor blocking VHHs. It also demonstrates the production of soluble and functional VHHs, which blocked the interaction between NadA and its receptor, decreased adhesion of NM on hBMECs, and reduced translocation of NM across BBB in-vitro. The selected NadA blocking VHHs could be promising molecules for therapeutic translation.
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Affiliation(s)
- Amod Kulkarni
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia.,Institute of Neuroimmunology of Slovak Academy of Sciences, Bratislava, Slovakia
| | - Evelína Mochnáčová
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia
| | - Petra Majerova
- Institute of Neuroimmunology of Slovak Academy of Sciences, Bratislava, Slovakia
| | - Ján Čurlík
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia
| | - Katarína Bhide
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia
| | - Patrícia Mertinková
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia
| | - Mangesh Bhide
- Laboratory of Biomedical Microbiology and Immunology, The University of Veterinary Medicine and Pharmacy, Kosice, Slovakia.,Institute of Neuroimmunology of Slovak Academy of Sciences, Bratislava, Slovakia
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von Witting E, Lindbo S, Lundqvist M, Möller M, Wisniewski A, Kanje S, Rockberg J, Tegel H, Åstrand M, Uhlén M, Hober S. Small Bispecific Affinity Proteins for Simultaneous Target Binding and Albumin-Associated Half-Life Extension. Mol Pharm 2020; 18:328-337. [PMID: 33259222 PMCID: PMC9490751 DOI: 10.1021/acs.molpharmaceut.0c00975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Albumin-binding fusion partners are
frequently used as a means
for the in vivo half-life extension of small therapeutic
molecules that would normally be cleared very rapidly from circulation.
However, in applications where small size is key, fusion to an additional
molecule can be disadvantageous. Albumin-derived affinity proteins
(ADAPTs) are a new type of scaffold proteins based on one of the albumin-binding
domains of streptococcal protein G, with engineered binding specificities
against numerous targets. Here, we engineered this scaffold further
and showed that this domain, as small as 6 kDa, can harbor two distinct
binding surfaces and utilize them to interact with two targets simultaneously.
These novel ADAPTs were developed to possess affinity toward both
serum albumin as well as another clinically relevant target, thus
circumventing the need for an albumin-binding fusion partner. To accomplish
this, we designed a phage display library and used it to successfully
select for single-domain bispecific binders toward a panel of targets:
TNFα, prostate-specific antigen (PSA), C-reactive protein (CRP),
renin, angiogenin, myeloid-derived growth factor (MYDGF), and insulin.
Apart from successfully identifying bispecific binders for all targets,
we also demonstrated the formation of the ternary complex consisting
of the ADAPT together with albumin and each of the five targets, TNFα,
PSA, angiogenin, MYDGF, and insulin. This simultaneous binding of
albumin and other targets presents an opportunity to combine the advantages
of small molecules with those of larger ones allowing for lower cost
of goods and noninvasive administration routes while still maintaining
a sufficient in vivo half-life.
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Affiliation(s)
- Emma von Witting
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Sarah Lindbo
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Magnus Lundqvist
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Marit Möller
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Andreas Wisniewski
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Sara Kanje
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Johan Rockberg
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Hanna Tegel
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Mikael Åstrand
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Mathias Uhlén
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
| | - Sophia Hober
- Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10691, Sweden
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Braun R, Schönberger N, Vinke S, Lederer F, Kalinowski J, Pollmann K. Application of Next Generation Sequencing (NGS) in Phage Displayed Peptide Selection to Support the Identification of Arsenic-Binding Motifs. Viruses 2020; 12:E1360. [PMID: 33261041 PMCID: PMC7759992 DOI: 10.3390/v12121360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/16/2020] [Accepted: 11/24/2020] [Indexed: 11/21/2022] Open
Abstract
Next generation sequencing (NGS) in combination with phage surface display (PSD) are powerful tools in the newly equipped molecular biology toolbox for the identification of specific target binding biomolecules. Application of PSD led to the discovery of manifold ligands in clinical and material research. However, limitations of traditional phage display hinder the identification process. Growth-based library biases and target-unrelated peptides often result in the dominance of parasitic sequences and the collapse of library diversity. This study describes the effective enrichment of specific peptide motifs potentially binding to arsenic as proof-of-concept using the combination of PSD and NGS. Arsenic is an environmental toxin, which is applied in various semiconductors as gallium arsenide and selective recovery of this element is crucial for recycling and remediation. The development of biomolecules as specific arsenic-binding sorbents is a new approach for its recovery. Usage of NGS for all biopanning fractions allowed for evaluation of motif enrichment, in-depth insight into the selection process and the discrimination of biopanning artefacts, e.g., the amplification-induced library-wide reduction in hydrophobic amino acid proportion. Application of bioinformatics tools led to the identification of an SxHS and a carboxy-terminal QxQ motif, which are potentially involved in the binding of arsenic. To the best of our knowledge, this is the first report of PSD combined with NGS of all relevant biopanning fractions.
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Affiliation(s)
- Robert Braun
- Department of Biotechnology, Helmholtz Institute Freiberg for Resource Technology, Helmholtz Center Dresden-Rossendorf, 01328 Dresden, Germany; (N.S.); (F.L.); (K.P.)
| | - Nora Schönberger
- Department of Biotechnology, Helmholtz Institute Freiberg for Resource Technology, Helmholtz Center Dresden-Rossendorf, 01328 Dresden, Germany; (N.S.); (F.L.); (K.P.)
| | - Svenja Vinke
- Microbial Genomics and Biotechnology, CeBiTec–Center for Biotechnology, Bielefeld University, 33594 Bielefeld, Germany; (S.V.); (J.K.)
| | - Franziska Lederer
- Department of Biotechnology, Helmholtz Institute Freiberg for Resource Technology, Helmholtz Center Dresden-Rossendorf, 01328 Dresden, Germany; (N.S.); (F.L.); (K.P.)
| | - Jörn Kalinowski
- Microbial Genomics and Biotechnology, CeBiTec–Center for Biotechnology, Bielefeld University, 33594 Bielefeld, Germany; (S.V.); (J.K.)
| | - Katrin Pollmann
- Department of Biotechnology, Helmholtz Institute Freiberg for Resource Technology, Helmholtz Center Dresden-Rossendorf, 01328 Dresden, Germany; (N.S.); (F.L.); (K.P.)
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31
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Schneider AFE, Aartsma-Rus A. Developments in reading frame restoring therapy approaches for Duchenne muscular dystrophy. Expert Opin Biol Ther 2020; 21:343-359. [PMID: 33074029 DOI: 10.1080/14712598.2021.1832462] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Exon skipping compounds restoring the dystrophin transcript reading frame have received regulatory approval for Duchenne muscular dystrophy (DMD). Recently, focus shifted to developing compounds to skip additional exons, improving delivery to skeletal muscle, and to genome editing, to restore the reading frame on DNA level. AREAS COVERED We outline developments for reading frame restoring approaches, challenges of mutation specificity, and optimizing delivery. Also, we highlight ongoing efforts to better detect exon skipping therapeutic effects in clinical trials. Searches on relevant terms were performed, focusing on recent publications (<3 years). EXPERT OPINION Currently, 3 AONS are approved. Whether dystrophin levels are sufficient to slowdown disease progression needs to be confirmed. Enhancing AON uptake by muscles is currently under investigation. Gene editing is an alternative, but one that involves practical and ethical concerns. Given the field's momentum, we believe the efficiency of frame-restoring approaches will improve.
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Affiliation(s)
| | - Annemieke Aartsma-Rus
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
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32
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Davidson TA, McGoldrick SJ, Kohn DH. Phage Display to Augment Biomaterial Function. Int J Mol Sci 2020; 21:ijms21175994. [PMID: 32825391 PMCID: PMC7504225 DOI: 10.3390/ijms21175994] [Citation(s) in RCA: 12] [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: 07/11/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022] Open
Abstract
Biomaterial design relies on controlling interactions between materials and their biological environments to modulate the functions of proteins, cells, and tissues. Phage display is a powerful tool that can be used to discover peptide sequences with high affinity for a desired target. When incorporated into biomaterial design, peptides identified via phage display can functionalize material surfaces to control the interaction between a biomaterial and its local microenvironment. A targeting peptide has high specificity for a given target, allowing for homing a specific protein, cell, tissue, or other material to a biomaterial. A functional peptide has an affinity for a given protein, cell, or tissue, but also modulates its target's activity upon binding. Biomaterials can be further enhanced using a combination of targeting and/or functional peptides to create dual-functional peptides for bridging two targets or modulating the behavior of a specific protein or cell. This review will examine current and future applications of phage display for the augmentation of biomaterials.
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Affiliation(s)
- Thomas A. Davidson
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
| | - Samantha J. McGoldrick
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
| | - David H. Kohn
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
- Department of Biologic and Material Sciences, University of Michigan, Ann Arbor, MI 48109, USA
- Correspondence:
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Chang S, Kim S, Han J, Ha S, Lee H, Song SW, Lee D, Kwon S, Chung J, Kim J. A High-Throughput Single-Clone Phage Fluorescence Microwell Immunoassay and Laser-Driven Clonal Retrieval System. Biomolecules 2020; 10:E517. [PMID: 32235304 PMCID: PMC7226094 DOI: 10.3390/biom10040517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 03/26/2020] [Indexed: 12/03/2022] Open
Abstract
Phage display is one of the most frequently used platform technologies utilized to screen and select therapeutic antibodies, and has contributed to the development of more than 10 therapeutic antibodies used in the clinic. Despite advantages like efficiency and low cost, it has intrinsic technical limitations, such as the asymmetrical amplification of the library after each round of biopanning, which is regarded as a reason for it yielding a very limited number of antigen binders. In this study, we developed a high-throughput single-clonal screening system comprised of fluorescence immunoassays and a laser-driven clonal DNA retrieval system using microchip technology. Using this system, from a single-chain variable fragment (scFv) library displayed on phages with a complexity of 5.21 × 105 harboring random mutations at five amino acid residues, more than 70,000 clones-corresponding to ~14% of the library complexity-were screened, resulting in 78 antigen-reactive scFv sequences with mutations restricted to the randomized residues. Our results demonstrate that this system can significantly reduce the number of biopanning rounds, or even eliminate the need for this process for libraries with lower complexity, providing an opportunity to obtain more diverse clones from the library.
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Affiliation(s)
- Seohee Chang
- Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea; (S.C.); (H.L.); (S.K.)
| | - Soohyun Kim
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea; (S.K.); (J.H.); (S.H.)
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Jerome Han
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea; (S.K.); (J.H.); (S.H.)
- Department of Biomedical Science, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Suji Ha
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea; (S.K.); (J.H.); (S.H.)
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Hyunho Lee
- Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea; (S.C.); (H.L.); (S.K.)
| | - Seo Woo Song
- Bio-Max Institute, Seoul National University, Seoul 08826, Korea;
| | - Daewon Lee
- BK21+ Creative Research Engineer Development for IT, Seoul National University, Seoul 08826, Korea;
| | - Sunghoon Kwon
- Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea; (S.C.); (H.L.); (S.K.)
- Bio-Max Institute, Seoul National University, Seoul 08826, Korea;
| | - Junho Chung
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea; (S.K.); (J.H.); (S.H.)
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
- Department of Biomedical Science, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Junhoi Kim
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul 03080, Korea
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He B, Dzisoo AM, Derda R, Huang J. Development and Application of Computational Methods in Phage Display Technology. Curr Med Chem 2020; 26:7672-7693. [PMID: 29956612 DOI: 10.2174/0929867325666180629123117] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/08/2018] [Accepted: 03/20/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Phage display is a powerful and versatile technology for the identification of peptide ligands binding to multiple targets, which has been successfully employed in various fields, such as diagnostics and therapeutics, drug-delivery and material science. The integration of next generation sequencing technology with phage display makes this methodology more productive. With the widespread use of this technique and the fast accumulation of phage display data, databases for these data and computational methods have become an indispensable part in this community. This review aims to summarize and discuss recent progress in the development and application of computational methods in the field of phage display. METHODS We undertook a comprehensive search of bioinformatics resources and computational methods for phage display data via Google Scholar and PubMed. The methods and tools were further divided into different categories according to their uses. RESULTS We described seven special or relevant databases for phage display data, which provided an evidence-based source for phage display researchers to clean their biopanning results. These databases can identify and report possible target-unrelated peptides (TUPs), thereby excluding false-positive data from peptides obtained from phage display screening experiments. More than 20 computational methods for analyzing biopanning data were also reviewed. These methods were classified into computational methods for reporting TUPs, for predicting epitopes and for analyzing next generation phage display data. CONCLUSION The current bioinformatics archives, methods and tools reviewed here have benefitted the biopanning community. To develop better or new computational tools, some promising directions are also discussed.
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Affiliation(s)
- Bifang He
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China.,School of Medicine, Guizhou University, Guiyang 550025, China
| | - Anthony Mackitz Dzisoo
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Ratmir Derda
- Department of Chemistry, University of Alberta, Edmonton T6G 2G2, Alberta, Canada
| | - Jian Huang
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China
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Sanchez-Lockhart M, Reyes DS, Gonzalez JC, Garcia KY, Villa EC, Pfeffer BP, Trefry JC, Kugelman JR, Pitt ML, Palacios GF. Qualitative Profiling of the Humoral Immune Response Elicited by rVSV-ΔG-EBOV-GP Using a Systems Serology Assay, Domain Programmable Arrays. Cell Rep 2020; 24:1050-1059.e5. [PMID: 30044972 DOI: 10.1016/j.celrep.2018.06.077] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/20/2018] [Accepted: 06/18/2018] [Indexed: 01/02/2023] Open
Abstract
Development of an effective vaccine became a worldwide priority after the devastating 2013-2016 Ebola disease outbreak. To qualitatively profile the humoral response against advanced filovirus vaccine candidates, we developed Domain Programmable Arrays (DPA), a systems serology platform to identify epitopes targeted after vaccination or filovirus infection. We optimized the assay using a panel of well-characterized monoclonal antibodies. After optimization, we utilized the system to longitudinally characterize the immunoglobulin (Ig) isotype-specific responses in non-human primates vaccinated with rVSV-ΔG-EBOV-glycoprotein (GP). Strikingly, we observed that, although the IgM response was directed against epitopes over the whole GP, the IgG and IgA responses were almost exclusively directed against the mucin-like domain (MLD) of the glycan cap. Further research will be needed to characterize this possible biased IgG and IgA response toward the MLD, but the results corroborate that DPA is a valuable tool to qualitatively measure the humoral response after vaccination.
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Affiliation(s)
- Mariano Sanchez-Lockhart
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; Departments of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Daniel S Reyes
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; Departments of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Jeanette C Gonzalez
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA
| | - Karla Y Garcia
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; Departments of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Erika C Villa
- Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bradley P Pfeffer
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA
| | - John C Trefry
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA
| | - Jeffrey R Kugelman
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA
| | - Margaret L Pitt
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA
| | - Gustavo F Palacios
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA.
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Gallo E. High-Throughput Generation of In Silico Derived Synthetic Antibodies via One-step Enzymatic DNA Assembly of Fragments. Mol Biotechnol 2020; 62:142-150. [PMID: 31894513 DOI: 10.1007/s12033-019-00232-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Phage-display technology offers robust methods for isolating antibody (Ab) molecules with specificity for different target antigens. Recent advancements couple Ab selections with in silico strategies, such as predictive computational models or next-generation sequencing metadata analysis of Ab selections. These advancements result in enhanced Ab clonal diversities with potential for enlarged epitope coverage of the target antigen. A current limitation however, is that de novo Ab sequences must undergo DNA gene synthesis, and subsequent expression as Ab proteins for downstream validations. Due to the high costs and time for commercially generating large sets of DNA genes, we report a high-throughput platform for the synthesis of in silico derived Ab clones. As a proof of concept we demonstrate the simultaneous synthesis of 96 unique Abs with varied lengths and complementary determining region compositions. Each of the 96 Ab clones undergoes a one-step enzymatic assembly of distinct DNA fragments that combine into a circularized Fab expression plasmid. This strategy allows for the rapid and efficient synthesis of 96 DNA constructs in a 3 day window, and exhibits high percentage fidelity-greater than 93%. Accordingly, the synthesis of Ab DNA constructs as Fab expression plasmids allow for rapid execution of downstream Ab protein validations, with potential for implementation into high-throughput Ab protein characterization pipelines. Altogether, the platform presented here proves rapid and also cost-effective, which is important for labs with limited resources, since it utilizes standard laboratory equipment and molecular reagents.
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Affiliation(s)
- Eugenio Gallo
- Department of Molecular Genetics, Charles Best Institute, University of Toronto, 112 College Street, 112 College Street, Room 70, Toronto, ON, M5G 1L6, Canada.
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Stellwagen SD, Sarkes DA, Adams BL, Hunt MA, Renberg RL, Hurley MM, Stratis-Cullum DN. The next generation of biopanning: next gen sequencing improves analysis of bacterial display libraries. BMC Biotechnol 2019; 19:100. [PMID: 31864334 PMCID: PMC6925417 DOI: 10.1186/s12896-019-0577-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 11/12/2019] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Bacterial surface display libraries are a popular tool for novel ligand discovery due to their ease of manipulation and rapid growth rates. These libraries typically express a scaffold protein embedded within the outer membrane with a short, surface-exposed peptide that is either terminal or is incorporated into an outer loop, and can therefore interact with and bind to substrates of interest. RESULTS In this study, we employed a novel bacterial peptide display library which incorporates short 15-mer peptides on the surface of E. coli, co-expressed with the inducible red fluorescent protein DsRed in the cytosol, to investigate population diversity over two rounds of biopanning. The naive library was used in panning trials to select for binding affinity against 3D printing plastic coupons made from polylactic acid (PLA). Resulting libraries were then deep-sequenced using next generation sequencing (NGS) to investigate selection and diversity. CONCLUSIONS We demonstrated enrichment for PLA binding versus a sapphire control surface, analyzed population composition, and compared sorting rounds using a binding assay and fluorescence microscopy. The capability to produce and describe display libraries through NGS across rounds of selection allows a deeper understanding of population dynamics that can be better directed towards peptide discovery.
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Affiliation(s)
- Sarah D. Stellwagen
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
- Department of Biological Sciences, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, 21250 MD USA
| | - Deborah A. Sarkes
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
| | - Bryn L. Adams
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
| | - Mia A. Hunt
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
- General Technical Services, Suite 301, 1451 Route 34 South, Wall Township, 07727 NJ USA
| | - Rebecca L. Renberg
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
- General Technical Services, Suite 301, 1451 Route 34 South, Wall Township, 07727 NJ USA
| | - Margaret M. Hurley
- Biotechnology Branch, CCDC US Army Research Laboratory, 2800 Powder Mill Rd, Adelphi, 20783 MD USA
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Raftery LJ, Howard CB, Grewal YS, Vaidyanathan R, Jones ML, Anderson W, Korbie D, Duarte T, Cao MD, Nguyen SH, Coin LJM, Mahler SM, Trau M. Retooling phage display with electrohydrodynamic nanomixing and nanopore sequencing. LAB ON A CHIP 2019; 19:4083-4092. [PMID: 31712799 DOI: 10.1039/c9lc00978g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Phage display methodologies offer a versatile platform for the isolation of single-chain Fv (scFv) molecules which may be rebuilt into monoclonal antibodies. Herein, we report on a complete workflow termed PhageXpress, for rapid selection of single-chain Fv sequences by leveraging electrohydrodynamic-manipulation of a solution containing phage library particles to enhance target binding whilst minimizing non-specific interactions. Our PhageXpress technique is combined with Oxford Nanopore Technologies' MinION sequencer and custom bioinformatics to achieve high-throughput screening of phage libraries. We performed 4 rounds of biopanning against Dengue virus (DENV) non-structural protein 1 (NS1) using traditional methods (4 week turnaround), which resulted in the isolation of 19 unique scFv clones. We validated the feasibility and efficiency of the PhageXpress method utilizing the same phage library and antigen target. Notably, we successfully mapped 14 of the 19 anti-NS1 scFv sequences (∼74%) with our new method, despite using ∼30-fold less particles during screening and conducting only a single round of biopanning. We believe this approach supersedes traditional methods for the discovery of bio-recognition molecules such as antibodies by speeding up the process for the development of therapeutic and diagnostic biologics.
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Affiliation(s)
- Lyndon J Raftery
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia.
| | - Christopher B Howard
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia and ARC Training Centre for Biopharmaceutical Innovation, AIBN, University of Queensland, Brisbane, Australia
| | - Yadveer S Grewal
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia
| | - Ramanathan Vaidyanathan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia
| | - Martina L Jones
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and ARC Training Centre for Biopharmaceutical Innovation, AIBN, University of Queensland, Brisbane, Australia
| | - Will Anderson
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia
| | - Darren Korbie
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia
| | - Tania Duarte
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Minh Duc Cao
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Son Hoang Nguyen
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Lachlan J M Coin
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Stephen M Mahler
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and ARC Training Centre for Biopharmaceutical Innovation, AIBN, University of Queensland, Brisbane, Australia
| | - Matt Trau
- Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia. and Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia and School of Chemistry and Molecular Biosciences (SCMB), University of Queensland, Brisbane, Australia
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Canassa-DeLeo T, Campo VL, Rodrigues LC, Marchiori MF, Fuzo C, Brigido MM, Sandomenico A, Ruvo M, Maranhão AQ, Dias-Baruffi M. Multifaceted antibodies development against synthetic α-dystroglycan mucin glycopeptide as promising tools for dystroglycanopathies diagnostic. Glycoconj J 2019; 37:77-93. [PMID: 31823246 DOI: 10.1007/s10719-019-09893-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 10/23/2019] [Accepted: 10/31/2019] [Indexed: 01/19/2023]
Abstract
Dystroglycanopathies are diseases characterized by progressive muscular degeneration and impairment of patient's quality of life. They are associated with altered glycosylation of the dystrophin-glycoprotein (DGC) complex components, such as α-dystroglycan (α-DG), fundamental in the structural and functional stability of the muscle fiber. The diagnosis of dystroglycanopathies is currently based on the observation of clinical manifestations, muscle biopsies and enzymatic measures, and the available monoclonal antibodies are not specific for the dystrophic hypoglycosylated muscle condition. Thus, modified α-DG mucins have been considered potential targets for the development of new diagnostic strategies toward these diseases. In this context, this work describes the synthesis of the hypoglycosylated α-DG mimetic glycopeptide NHAc-Gly-Pro-Thr-Val-Thr[αMan]-Ile-Arg-Gly-BSA (1) as a potential tool for the development of novel antibodies applicable to dystroglycanopathies diagnosis. Glycopeptide 1 was used for the development of polyclonal antibodies and recombinant monoclonal antibodies by Phage Display technology. Accordingly, polyclonal antibodies were reactive to glycopeptide 1, which enables the application of anti-glycopeptide 1 antibodies in immune reactive assays targeting hypoglycosylated α-DG. Regarding monoclonal antibodies, for the first time variable heavy (VH) and variable light (VL) immunoglobulin domains were selected by Phage Display, identified by NGS and described by in silico analysis. The best-characterized VH and VL domains were cloned, expressed in E. coli Shuffle T7 cells, and used to construct a single chain fragment variable that recognized the Glycopeptide 1 (GpαDG1 scFv). Molecular modelling of glycopeptide 1 and GpαDG1 scFv suggested that their interaction occurs through hydrogen bonds and hydrophobic contacts involving amino acids from scFv (I51, Y33, S229, Y235, and P233) and R8 and α-mannose from Glycopeptide 1.
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Affiliation(s)
- Thais Canassa-DeLeo
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Vanessa Leiria Campo
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil.,Centro Universitário Barão de Mauá, Rua Ramos de Azevedo 423, Jardim Paulista, CEP, Ribeirão Preto, 14090-180, SP, Brazil
| | - Lílian Cataldi Rodrigues
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Marcelo Fiori Marchiori
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Carlos Fuzo
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Marcelo Macedo Brigido
- Instituto de Ciências Biológicas, Universidade de Brasília, Asa Norte, Brasília, DF, CEP 70910-900, Brazil
| | - Annamaria Sandomenico
- Istituto di Biostrutture e Bioimmagini, CNR, via Mezzocannone, 16, 80134, Naples, Italy
| | - Menotti Ruvo
- Istituto di Biostrutture e Bioimmagini, CNR, via Mezzocannone, 16, 80134, Naples, Italy
| | - Andrea Queiroz Maranhão
- Instituto de Ciências Biológicas, Universidade de Brasília, Asa Norte, Brasília, DF, CEP 70910-900, Brazil
| | - Marcelo Dias-Baruffi
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café S/N, CEP, Ribeirão Preto, SP, 14040-903, Brazil.
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Kaur M, Dubey A, Khatri M, Sehrawat S. Secretory PLA2 specific single domain antibody neutralizes Russell viper venom induced cellular and organismal toxicity. Toxicon 2019; 172:15-18. [PMID: 31689425 DOI: 10.1016/j.toxicon.2019.10.240] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/28/2019] [Accepted: 10/30/2019] [Indexed: 10/25/2022]
Abstract
Despite continued destruction of human lives by snakebites, appreciable improvements in immunotherapies have not been made. We selected and characterized venom-specific single domain antibodies (sdAbs) from a constructed phage display library of camelid variable region of heavy chain of the heavy chain antibodies (VHHs). Secretory phospholipase A2-specific sdAbs neutralized venom-induced toxicity in vitro and in vivo. Such monoclonal sdAbs could serve as an alternative to help manage snakebites to save lives.
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Affiliation(s)
- Manpreet Kaur
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Sector 81 SAS Nagar Knowledge City, PO Manauli, 140306, Mohali, Punjab, India
| | - Abhishek Dubey
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Sector 81 SAS Nagar Knowledge City, PO Manauli, 140306, Mohali, Punjab, India
| | - Madhu Khatri
- University Institute of Engineering and Technology, Panjab University Chandigarh, 160014, India
| | - Sharvan Sehrawat
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Sector 81 SAS Nagar Knowledge City, PO Manauli, 140306, Mohali, Punjab, India.
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Smith GP. Phage Display: Simple Evolution in a Petri Dish (Nobel Lecture). Angew Chem Int Ed Engl 2019; 58:14428-14437. [PMID: 31529666 DOI: 10.1002/anie.201908308] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Indexed: 11/10/2022]
Abstract
Playing with evolution: In his Nobel lecture, George P. Smith reconstructs the story of the phage-display idea as he personally experienced it. The development of this technique is a case study in how a scientific advance emerges gradually in incremental steps within overlapping global scientific communities.
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Affiliation(s)
- George P Smith
- University of Missouri, Division of Biological Sciences, Tucker Hall, Columbia, MO, 65211-7400, USA
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42
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Smith GP. Phagen‐Display: Einfache Evolution in der Petrischale (Nobel‐Vortrag). Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- George P. Smith
- University of Missouri Division of Biological Sciences Tucker Hall Columbia MO 65211-7400 USA
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He B, Chen H, Huang J. PhD7Faster 2.0: predicting clones propagating faster from the Ph.D.-7 phage display library by coupling PseAAC and tripeptide composition. PeerJ 2019; 7:e7131. [PMID: 31245183 PMCID: PMC6585900 DOI: 10.7717/peerj.7131] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 05/15/2019] [Indexed: 01/08/2023] Open
Abstract
Selection from phage display libraries empowers isolation of high-affinity ligands for various targets. However, this method also identifies propagation-related target-unrelated peptides (PrTUPs). These false positive hits appear because of their amplification advantages. In this report, we present PhD7Faster 2.0 for predicting fast-propagating clones from the Ph.D.-7 phage display library, which was developed based on the support vector machine. Feature selection was performed against PseAAC and tripeptide composition using the incremental feature selection method. Ten-fold cross-validation results show that PhD7Faster 2.0 succeeds a decent performance with the accuracy of 81.84%, the Matthews correlation coefficient of 0.64 and the area under the ROC curve of 0.90. The permutation test with 1,000 shuffles resulted in p < 0.001. We implemented PhD7Faster 2.0 into a publicly accessible web tool (http://i.uestc.edu.cn/sarotup3/cgi-bin/PhD7Faster.pl) and constructed standalone graphical user interface and command-line versions for different systems. The standalone PhD7Faster 2.0 is able to detect PrTUPs within small datasets as well as large-scale datasets. This makes PhD7Faster 2.0 an enhanced and powerful tool for scanning and reporting faster-growing clones from the Ph.D.-7 phage display library.
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Affiliation(s)
- Bifang He
- School of Medicine, Guizhou University, Guiyang, Guizhou, China.,Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Heng Chen
- School of Medicine, Guizhou University, Guiyang, Guizhou, China
| | - Jian Huang
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
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He B, Chen H, Li N, Huang J. SAROTUP: a suite of tools for finding potential target-unrelated peptides from phage display data. Int J Biol Sci 2019; 15:1452-1459. [PMID: 31337975 PMCID: PMC6643146 DOI: 10.7150/ijbs.31957] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 04/09/2019] [Indexed: 01/13/2023] Open
Abstract
SAROTUP (Scanner And Reporter Of Target-Unrelated Peptides) 3.1 is a significant upgrade to the widely used SAROTUP web server for the rapid identification of target-unrelated peptides (TUPs) in phage display data. At present, SAROTUP has gathered a suite of tools for finding potential TUPs and other purposes. Besides the TUPScan, the motif-based tool, and three tools based on the BDB database, i.e., MimoScan, MimoSearch, and MimoBlast, three predictors based on support vector machine, i.e., PhD7Faster, SABinder and PSBinder, are integrated into SAROTUP. The current version of SAROTUP contains 27 TUP motifs and 823 TUP sequences. We also developed the standalone SAROTUP application with graphical user interface (GUI) and command line versions for processing deep sequencing phage display data and distributed it as an open source package, which can perform perfectly locally on almost all systems that support C++ with little or no modification. The web interfaces of SAROTUP have also been redesigned to be more self-evident and user-friendly. The latest version of SAROTUP is freely available at http://i.uestc.edu.cn/sarotup3.
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Affiliation(s)
- Bifang He
- School of Medicine, Guizhou University, Guiyang 550025, China.,Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Heng Chen
- School of Medicine, Guizhou University, Guiyang 550025, China
| | - Ning Li
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jian Huang
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 611731, China
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Lim CC, Choong YS, Lim TS. Cognizance of Molecular Methods for the Generation of Mutagenic Phage Display Antibody Libraries for Affinity Maturation. Int J Mol Sci 2019; 20:E1861. [PMID: 30991723 PMCID: PMC6515083 DOI: 10.3390/ijms20081861] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/10/2019] [Accepted: 04/12/2019] [Indexed: 12/25/2022] Open
Abstract
Antibodies leverage on their unique architecture to bind with an array of antigens. The strength of interaction has a direct relation to the affinity of the antibodies towards the antigen. In vivo affinity maturation is performed through multiple rounds of somatic hypermutation and selection in the germinal centre. This unique process involves intricate sequence rearrangements at the gene level via molecular mechanisms. The emergence of in vitro display technologies, mainly phage display and recombinant DNA technology, has helped revolutionize the way antibody improvements are being carried out in the laboratory. The adaptation of molecular approaches in vitro to replicate the in vivo processes has allowed for improvements in the way recombinant antibodies are designed and tuned. Combinatorial libraries, consisting of a myriad of possible antibodies, are capable of replicating the diversity of the natural human antibody repertoire. The isolation of target-specific antibodies with specific affinity characteristics can also be accomplished through modification of stringent protocols. Despite the ability to screen and select for high-affinity binders, some 'fine tuning' may be required to enhance antibody binding in terms of its affinity. This review will provide a brief account of phage display technology used for antibody generation followed by a summary of different combinatorial library characteristics. The review will focus on available strategies, which include molecular approaches, next generation sequencing, and in silico approaches used for antibody affinity maturation in both therapeutic and diagnostic applications.
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Affiliation(s)
- Chia Chiu Lim
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang 11800, Malaysia.
| | - Yee Siew Choong
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang 11800, Malaysia.
| | - Theam Soon Lim
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang 11800, Malaysia.
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Penang 11800, Malaysia.
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A High-Throughput Platform for the Generation of Synthetic Ab Clones by Single-Strand Site-Directed Mutagenesis. Mol Biotechnol 2019; 61:410-420. [PMID: 30963479 DOI: 10.1007/s12033-019-00171-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Current developments in meta-data analysis and predictive computational models offer alternative routes for the identification of antibodies. In silico-based technologies and NGS data analysis from Ab phage-display selections offer expanded selections of Ab candidates. Accordingly, the identified de novo Abs with predicted selectivity for a target antigen must undergo rapid gene synthesis for downstream Ab characterizations. Here we describe a high-throughput strategy for the generation of synthetic Ab clones for expression as Fab proteins in Escherichia coli. Our approach utilizes simultaneous single-stranded site-directed mutagenesis of diversified Ab regions of a phagemid template with engineered complementary determining regions that contain multiple stop codon and restriction enzyme sites. Subsequently, we perform rapid screening of Ab DNA clones for correct gene assemblies by high-throughput Ab-phage protein expression screens. Identified sequences are corroborated by Sanger DNA sequencing analysis. In summary, our work describes a rapid and cost-effective platform for the high-throughput synthesis of synthetic Ab genes as Fab proteins for implementation into downstream protein validation pipelines.
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Sannino A, Gabriele E, Bigatti M, Mulatto S, Piazzi J, Scheuermann J, Neri D, Donckele EJ, Samain F. Quantitative Assessment of Affinity Selection Performance by Using DNA‐Encoded Chemical Libraries. Chembiochem 2019; 20:955-962. [DOI: 10.1002/cbic.201800766] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Indexed: 12/14/2022]
Affiliation(s)
| | - Elena Gabriele
- Philochem AG Libernstrasse 3 8112 Otelfingen Switzerland
| | | | - Sara Mulatto
- Philochem AG Libernstrasse 3 8112 Otelfingen Switzerland
| | - Jacopo Piazzi
- Philochem AG Libernstrasse 3 8112 Otelfingen Switzerland
| | - Jörg Scheuermann
- Department of Chemistry and Applied BiosciencesSwiss Federal Institute of Technology (ETH Zürich) Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | - Dario Neri
- Department of Chemistry and Applied BiosciencesSwiss Federal Institute of Technology (ETH Zürich) Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | | | - Florent Samain
- Philochem AG Libernstrasse 3 8112 Otelfingen Switzerland
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Liu Y, Zhang J, Wang R, Wu Y, Wang W, Xin X, Du M, Cao Y, Zhang H. Identification of novel Kv1.3 targeting venom peptides by a single round of autocrine-based selection. Biochem Biophys Res Commun 2019; 509:954-959. [PMID: 30648553 DOI: 10.1016/j.bbrc.2019.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 01/04/2019] [Indexed: 11/24/2022]
Abstract
Venom peptides are an excellent source of pharmacologically active molecules for ion channels that have been considered as promising drug targets. However, mining venoms that interact with ion channel remains challenging. Previously an autocrine based high throughput selection system was developed to screen venom peptide library but the method includes repetitious selection rounds that may cause loss of valuable hits. To simplify the selection process, next generation sequencing was employed to directly identify the positive hits after a single round of selection. The advantage of the improved system was demonstrated by the discovery of 3 novel Kv1.3 targeting venom peptides among which Kappa-thalatoxin-Tas2a is a potent Kv1.3 antagonist. Therefore, this simplified method is efficient to identify novel venom peptides that target ion channels.
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Affiliation(s)
- Yaohui Liu
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Jiashuo Zhang
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Ruikun Wang
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Yaxing Wu
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Wei Wang
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China
| | - Xiu Xin
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Mingjuan Du
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, 201210, China.
| | - Youjia Cao
- College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China.
| | - Hongkai Zhang
- State Key Laboratory of Medicinal Chemical Biology, 94 Weijin Road, Tianjin, 300071, China; College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin, 300071, China.
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Bibi N, Niaz H, Hupp T, Kamal MA, Rashid S. Screening and Identification of PLK1-Polo Box Binding Peptides by High-Throughput Sequencing of Phage-Selected Libraries. Protein Pept Lett 2019; 26:620-633. [PMID: 30887917 DOI: 10.2174/0929866526666190318101054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 03/05/2019] [Accepted: 03/07/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND Human proteome contains a plethora of short linear peptide motifs that is crucial for signaling and other cellular processes. These motifs are difficult to identify due to lack of systematic approach for their detection. OBJECTIVES Here we demonstrate the use of peptide phage display in combination with high throughput next generation sequencing to identify enriched peptide sequences through biopanning process against polo box domain (PBD) of mitotic polo like kinase 1 (Plk1). METHODS Purified recombinant Plk1 and two unrelated controls namely B-lymphocyte antigen (CD20) and fluorescent protein (mCherry) were subjected to peptide phage display analysis. Bacterially-propagated phage DNA was amplified by PCR using triplet bar coded primers to tag the pool from each amplicon. RESULTS Proteomic peptide phage display along with next generation sequencing and Bioinformatics analysis demonstrated several known and putative novel interactions which were potentially related to Plk1-PBD. With our strategy, we were able to identify and characterize several Plk1-PBD binding peptides, as well as define more precisely, consensus sequences. CONCLUSION We believe that this information could provide valuable tools for exploring novel interaction involved in Plk1 signaling as well as to choose peptides for Plk1 specific drug development.
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Affiliation(s)
- Nousheen Bibi
- Shaheed Benazir Bhutto Women University, Peshawar, Pakistan
| | - Hafsa Niaz
- National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ted Hupp
- Edinburgh Cancer Research Center, University of Edinburgh, United Kingdom
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia
- Novel Global Community Educational Foundation, Australia
| | - Sajid Rashid
- National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, Pakistan
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Therapeutic Antibody Discovery in Infectious Diseases Using Single-Cell Analysis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1068:89-102. [PMID: 29943298 DOI: 10.1007/978-981-13-0502-3_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Since the discovery of mouse hybridoma technology by Kohler and Milstein in 1975, significant progress has been made in monoclonal antibody production. Advances in B cell immortalization and phage display technologies have generated a myriad of valuable monoclonal antibodies for diagnosis and treatment. Technological breakthroughs in various fields of 'omics have shed crucial insights into cellular heterogeneity of a biological system in which the functional individuality of a single cell must be considered. Based on this important concept, remarkable discoveries in single-cell analysis have made in identifying and isolating functional B cells that produce beneficial therapeutic monoclonal antibodies. In this review, we will discuss three traditional methods of antibody discovery. Recent technological platforms for single-cell antibody discovery will be reviewed. We will discuss the application of the single-cell analysis in finding therapeutic antibodies for human immunodeficiency virus and emerging Zika arbovirus.
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