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França RKA, Studart IC, Bezerra MRL, Pontes LQ, Barbosa AMA, Brigido MM, Furtado GP, Maranhão AQ. Progress on Phage Display Technology: Tailoring Antibodies for Cancer Immunotherapy. Viruses 2023; 15:1903. [PMID: 37766309 PMCID: PMC10536222 DOI: 10.3390/v15091903] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The search for innovative anti-cancer drugs remains a challenge. Over the past three decades, antibodies have emerged as an essential asset in successful cancer therapy. The major obstacle in developing anti-cancer antibodies is the need for non-immunogenic antibodies against human antigens. This unique requirement highlights a disadvantage to using traditional hybridoma technology and thus demands alternative approaches, such as humanizing murine monoclonal antibodies. To overcome these hurdles, human monoclonal antibodies can be obtained directly from Phage Display libraries, a groundbreaking tool for antibody selection. These libraries consist of genetically engineered viruses, or phages, which can exhibit antibody fragments, such as scFv or Fab on their capsid. This innovation allows the in vitro selection of novel molecules directed towards cancer antigens. As foreseen when Phage Display was first described, nowadays, several Phage Display-derived antibodies have entered clinical settings or are undergoing clinical evaluation. This comprehensive review unveils the remarkable progress in this field and the possibilities of using clever strategies for phage selection and tailoring the refinement of antibodies aimed at increasingly specific targets. Moreover, the use of selected antibodies in cutting-edge formats is discussed, such as CAR (chimeric antigen receptor) in CAR T-cell therapy or ADC (antibody drug conjugate), amplifying the spectrum of potential therapeutic avenues.
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Affiliation(s)
- Renato Kaylan Alves França
- Molecular Immunology Laboratory, Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (R.K.A.F.); (M.M.B.)
- Graduate Program in Molecular Pathology, University of Brasilia, Brasilia 70910-900, Brazil
| | - Igor Cabral Studart
- Oswaldo Cruz Foundation, Fiocruz Ceará, Eusébio 61773-270, Brazil; (I.C.S.); (M.R.L.B.); (L.Q.P.); (A.M.A.B.); (G.P.F.)
- Graduate Program in Biotechnology of Natural Resources, Federal University of Ceará, Fortaleza 60440-970, Brazil
| | - Marcus Rafael Lobo Bezerra
- Oswaldo Cruz Foundation, Fiocruz Ceará, Eusébio 61773-270, Brazil; (I.C.S.); (M.R.L.B.); (L.Q.P.); (A.M.A.B.); (G.P.F.)
- Graduate Program in Biotechnology of Natural Resources, Federal University of Ceará, Fortaleza 60440-970, Brazil
| | - Larissa Queiroz Pontes
- Oswaldo Cruz Foundation, Fiocruz Ceará, Eusébio 61773-270, Brazil; (I.C.S.); (M.R.L.B.); (L.Q.P.); (A.M.A.B.); (G.P.F.)
- Graduate Program in Biotechnology of Natural Resources, Federal University of Ceará, Fortaleza 60440-970, Brazil
| | - Antonio Marcos Aires Barbosa
- Oswaldo Cruz Foundation, Fiocruz Ceará, Eusébio 61773-270, Brazil; (I.C.S.); (M.R.L.B.); (L.Q.P.); (A.M.A.B.); (G.P.F.)
- Graduate Program in Applied Informatics, University of Fortaleza, Fortaleza 60811-905, Brazil
| | - Marcelo Macedo Brigido
- Molecular Immunology Laboratory, Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (R.K.A.F.); (M.M.B.)
| | - Gilvan Pessoa Furtado
- Oswaldo Cruz Foundation, Fiocruz Ceará, Eusébio 61773-270, Brazil; (I.C.S.); (M.R.L.B.); (L.Q.P.); (A.M.A.B.); (G.P.F.)
- Graduate Program in Biotechnology of Natural Resources, Federal University of Ceará, Fortaleza 60440-970, Brazil
| | - Andréa Queiroz Maranhão
- Molecular Immunology Laboratory, Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil; (R.K.A.F.); (M.M.B.)
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Huličiak M, Biedermanová L, Berdár D, Herynek Š, Kolářová L, Tomala J, Mikulecký P, Schneider B. Combined in vitro and cell-based selection display method producing specific binders against IL-9 receptor in high yields. FEBS J 2023. [PMID: 36637991 DOI: 10.1111/febs.16726] [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: 09/16/2022] [Revised: 12/03/2022] [Accepted: 01/11/2023] [Indexed: 01/14/2023]
Abstract
We combined cell-free ribosome display and cell-based yeast display selection to build specific protein binders to the extracellular domain of the human interleukin 9 receptor alpha (IL-9Rα). The target, IL-9Rα, is the receptor involved in the signalling pathway of IL-9, a pro-inflammatory cytokine medically important for its involvement in respiratory diseases. The successive use of modified protocols of ribosome and yeast displays allowed us to combine their strengths-the virtually infinite selection power of ribosome display and the production of (mostly) properly folded and soluble proteins in yeast display. The described experimental protocol is optimized to produce binders highly specific to the target, including selectivity to common proteins such as BSA, and proteins potentially competing for the binder such as receptors of other cytokines. The binders were trained from DNA libraries of two protein scaffolds called 57aBi and 57bBi developed in our laboratory. We show that the described unconventional combination of ribosome and yeast displays is effective in developing selective small protein binders to the medically relevant molecular target.
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Affiliation(s)
- Maroš Huličiak
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Lada Biedermanová
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Daniel Berdár
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Štěpán Herynek
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Lucie Kolářová
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Jakub Tomala
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Pavel Mikulecký
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
| | - Bohdan Schneider
- Institute of Biotechnology of the Czech Academy of Sciences, Vestec, Czech Republic
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Ultrafast Determination of Antimicrobial Resistant Staphylococcus aureus Specifically Captured by Functionalized Magnetic Nanoclusters. ACS Sens 2022; 7:3491-3500. [PMID: 36278860 DOI: 10.1021/acssensors.2c01837] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Sepsis, the systemic response to infection, is a life-threatening situation for patients and leads to high mortality, especially when caused by antimicrobial resistant pathogens. Prompt diagnosis and identification of the pathogenic bacteria, including their antibiotic resistance, are highly desired to yield a timely decision for treatment. Here, we aim to develop a platform for rapid isolation and efficient identification of Staphylococcus aureus, the most frequently occurring pathogen in sepsis. A peptide (VPHNPGLISLQG, SA5-1), specifically binding to S. aureus, was conjugated to the PEGylated magnetic nanoclusters, successfully enabling the specific capture and enrichment of S. aureus from blood serum. Consequently, fast detection of the antimicrobial resistance of the collected S. aureus was achieved within 30 min using a novel luminescent probe. These magnetic nanoclusters manifest a promising diagnostic prospect to combat sepsis.
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Dass SA, Selva Rajan R, Tye GJ, Balakrishnan V. The potential applications of T cell receptor (TCR)-like antibody in cervical cancer immunotherapy. Hum Vaccin Immunother 2021; 17:2981-2994. [PMID: 33989511 DOI: 10.1080/21645515.2021.1913960] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Cervical cancer is ranked as the fourth most common cancer in women worldwide. Monoclonal antibody has created a new dimension in the immunotherapy of many diseases, including cervical cancer. The antibody's ability to target various aspects of cervical cancer (oncoviruses, oncoproteins, and signaling pathways) delivers a promising future for efficient immunotherapy. Besides, technologies such as hybridoma and phage display provide a fundamental platform for monoclonal antibody generation and create the opportunity to generate novel antibody classes including, T cell receptor (TCR)-like antibody. In this review, the current immunotherapy strategies for cervical cancer are presented. We have also proposed a novel concept of T cell receptor (TCR)-like antibody and its potential applications for enhancing cervical cancer therapeutics. Finally, the possible challenges in TCR-like antibody application for cervical cancer therapeutics have been addressed, and strategies to overcome the challenges have been highlighted to maximize the therapeutic benefits.
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Affiliation(s)
- Sylvia Annabel Dass
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, George Town, Malaysia
| | - Rehasri Selva Rajan
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, George Town, Malaysia
| | - Gee Jun Tye
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, George Town, Malaysia
| | - Venugopal Balakrishnan
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, George Town, Malaysia
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Alshamat EA, Kweider M, Soukkarieh C, Zarkawi M, Khalaf HE, Abbady AQ. Phage-nanobody as molecular marker for the detection of Leishmania tropica. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2019.100577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Lakzaei M, Rasaee MJ, Fazaeli AA, Aminian M. A comparison of three strategies for biopanning of phage-scFv library against diphtheria toxin. J Cell Physiol 2018; 234:9486-9494. [PMID: 30417355 DOI: 10.1002/jcp.27636] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/02/2018] [Indexed: 12/13/2022]
Abstract
The biopanning process is a critical step in phage display for isolating peptides or proteins with specific binding properties. Conventional panning methods are sometimes not so effective and may result in nonspecific or low-yield positive results. In this study, three different strategies including soluble antibody-capturing, pH-stepwise elution, and conventional panning were used for enrichment of specific clones against diphtheria toxoid. The reactivity of the selected clones was evaluated using an indirect enzyme-linked immunosorbent assay. The positive clones were screened using Vero cell viability assay. The neutralizing clones were expressed in HB2151 strain of Escherichia coli and soluble single-chain fragment variable (scFv) fragments were purified by nickel-nitrilotriacetic acid affinity chromatography. Finally, the ability of scFv fragments for neutralizing diphtheria toxin (DT) were evaluated again using Vero cell viability assay. After four rounds of panning, the soluble antibody-capturing method yielded 15 positive phage-scFv clones against diphtheria toxoid. Conventional panning and pH-stepwise elution model resulted from nine and five positive phage-scFv clones, respectively. Among all positive clones, three clones were able to neutralize DT in Vero cell viability assay. Two of these clones belonged to a soluble antibody-capturing method and one of them came from conventional panning. Three neutralizing clones were used for soluble expression and purification of scFvs fragments. It was found that these soluble scFv fragments possessed neutralizing activity ranging from 0.15 to 0.6 µg against two-fold cytotoxic dose 99% of DT. In conclusion, the results of our study indicate that soluble antibody-capturing method is an efficient method for isolation of specific scFv fragments.
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Affiliation(s)
- Mostafa Lakzaei
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohhamad Javad Rasaee
- Department of Medical Biotechnology, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ali Akbar Fazaeli
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Aminian
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Chan SK, Rahumatullah A, Lai JY, Lim TS. Naïve Human Antibody Libraries for Infectious Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1053:35-59. [PMID: 29549634 PMCID: PMC7120739 DOI: 10.1007/978-3-319-72077-7_3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Many countries are facing an uphill battle in combating the spread of infectious diseases. The constant evolution of microorganisms magnifies the problem as it facilitates the re-emergence of old infectious diseases as well as promote the introduction of new and more deadly variants. Evidently, infectious diseases have contributed to an alarming rate of mortality worldwide making it a growing concern. Historically, antibodies have been used successfully to prevent and treat infectious diseases since the nineteenth century using antisera collected from immunized animals. The inherent ability of antibodies to trigger effector mechanisms aids the immune system to fight off pathogens that invades the host. Immune libraries have always been an important source of antibodies for infectious diseases due to the skewed repertoire generated post infection. Even so, the role and ability of naïve antibody libraries should not be underestimated. The naïve repertoire has its own unique advantages in generating antibodies against target antigens. This chapter will highlight the concept, advantages and application of human naïve libraries as a source to isolate antibodies against infectious disease target antigens.
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Affiliation(s)
- Soo Khim Chan
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Anizah Rahumatullah
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Jing Yi Lai
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia
| | - Theam Soon Lim
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Minden, Penang, Malaysia.
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Minden, 11800, Penang, Malaysia.
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8
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Cheraghi R, Nazari M, Alipour M, Majidi A, Hosseinkhani S. Development of a Targeted anti-HER2 scFv Chimeric Peptide for Gene Delivery into HER2-Positive Breast Cancer Cells. Int J Pharm 2016; 515:632-643. [DOI: 10.1016/j.ijpharm.2016.11.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 11/01/2016] [Accepted: 11/03/2016] [Indexed: 01/19/2023]
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Abstract
The yeasts constitute a large group of microorganisms characterized by the ability to grow and survive in different and stressful conditions and then to colonize a wide range of environmental and human ecosystems. The competitive traits against other microorganisms have attracted increasing attention from scientists, who proposed their successful application as bioprotective agents in the agricultural, food and medical sectors. These antagonistic activities rely on the competition for nutrients, production and tolerance of high concentrations of ethanol, as well as the synthesis of a large class of antimicrobial compounds, known as killer toxins, which showed clearly a large spectrum of activity against food spoilage microorganisms, but also against plant, animal and human pathogens. This review describes the antimicrobial mechanisms involved in the antagonistic activity, their applications in the processed and unprocessed food sectors, as well as the future perspectives in the development of new bio-drugs, which may overcome the limitations connected to conventional antimicrobial and drug resistance.
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Affiliation(s)
- Serena Muccilli
- Consiglio per la Ricerca in Agricoltura e L'analisi dell'Economia Agraria-Centro di Ricerca per l'Agrumicoltura e le Colture Mediterranee, Corso Savoia 190, 95024 Acireale, CT, Italy.
| | - Cristina Restuccia
- Di3A-Dipatimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via Santa Sofia 98, 95123 Catania, Italy.
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10
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Hakami AR, Ball JK, Tarr AW. Non-ionic detergents facilitate non-specific binding of M13 bacteriophage to polystyrene surfaces. J Virol Methods 2015; 221:1-8. [DOI: 10.1016/j.jviromet.2015.04.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 04/16/2015] [Accepted: 04/20/2015] [Indexed: 01/13/2023]
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11
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Kabir ME, Krishnaswamy S, Selvakumar D, Miyamoto M, Furuichi Y, Komiyama T. Antigen itself antibody: an alternative one-step immunoassay for measuring the anti-idiotypic antibody titer. Microbiol Immunol 2014; 58:523-9. [DOI: 10.1111/1348-0421.12178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 07/05/2014] [Accepted: 07/10/2014] [Indexed: 01/24/2023]
Affiliation(s)
- M. Enamul Kabir
- Department of Biochemistry; Faculty of Pharmaceutical Sciences; Niigata University of Pharmacy and Applied Life Sciences; 265-1 Higashijima Niigata 956-8603
- Department of Pathology; School of Medicine; Case Western Reserve University; Cleveland OH 44106
| | - Senthilkumar Krishnaswamy
- Department of Biochemistry; Faculty of Pharmaceutical Sciences; Niigata University of Pharmacy and Applied Life Sciences; 265-1 Higashijima Niigata 956-8603
- Department of Physiology and Neuroscience; New York University School of Medicine; New York NY 10016
| | - Dakshnamurthy Selvakumar
- Department of Biochemistry; Faculty of Pharmaceutical Sciences; Niigata University of Pharmacy and Applied Life Sciences; 265-1 Higashijima Niigata 956-8603
- Department of Otolaryngology; Head and Neck Surgery; Wayne State University School of Medicine; Detroit MI 48201 USA
| | - Masahiko Miyamoto
- Department of Biochemistry; Faculty of Pharmaceutical Sciences; Niigata University of Pharmacy and Applied Life Sciences; 265-1 Higashijima Niigata 956-8603
| | | | - Tadazumi Komiyama
- Department of Biochemistry; Faculty of Pharmaceutical Sciences; Niigata University of Pharmacy and Applied Life Sciences; 265-1 Higashijima Niigata 956-8603
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12
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Shimoni M, Herschhorn A, Britan-Rosich Y, Kotler M, Benhar I, Hizi A. The isolation of novel phage display-derived human recombinant antibodies against CCR5, the major co-receptor of HIV. Viral Immunol 2014; 26:277-90. [PMID: 23941674 DOI: 10.1089/vim.2012.0029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Selecting for antibodies against specific cell-surface proteins is a difficult task due to many unrelated proteins that are expressed on the cell surface. Here, we describe a method to screen antibody-presenting phage libraries against native cell-surface proteins. We applied this method to isolate antibodies that selectively recognize CCR5, which is the major co-receptor for HIV entry (consequently, playing a pivotal role in HIV transmission and pathogenesis). We employed a phage screening strategy by using cells that co-express GFP and CCR5, along with an excess of control cells that do not express these proteins (and are otherwise identical to the CCR5-expressing cells). These control cells are intended to remove most of the phages that bind the cells nonspecifically; thus leading to an enrichment of the phages presenting anti-CCR5-specific antibodies. Subsequently, the CCR5-presenting cells were quantitatively sorted by flow cytometry, and the bound phages were eluted, amplified, and used for further successive selection rounds. Several different clones of human single-chain Fv antibodies that interact with CCR5-expressing cells were identified. The most specific monoclonal antibody was converted to a full-length IgG and bound the second extracellular loop of CCR5. The experimental approach presented herein for screening for CCR5-specific antibodies can be applicable to screen antibody-presenting phage libraries against any cell-surface expressed protein of interest.
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Affiliation(s)
- Moria Shimoni
- Department of Cell and Developmental Biology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Rao SS, Mohan KVK, Gao Y, Atreya CD. Identification and evaluation of a novel peptide binding to the cell surface of Staphylococcus aureus. Microbiol Res 2012; 168:106-12. [PMID: 23017232 DOI: 10.1016/j.micres.2012.07.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 06/27/2012] [Accepted: 07/08/2012] [Indexed: 10/27/2022]
Abstract
Identification of short peptides that serve as specific ligands to biological materials such as microbial cell surfaces has major implications in better understanding the molecular recognition of cell surfaces. In this study we screened a commercially available random phage-display library against Staphylococcus aureus cells and identified peptides specifically binding to the bacteria. A synthetic peptide (SA5-1) representing the consensus sequence (VPHNPGLISLQG) of the bacteria-binding peptide was evaluated for its binding potential against S. aureus. Dot-blot, immunoblot assay and ELISA results revealed the SA5-1 peptide to be highly specific to S. aureus. The SA5-1 peptide binding was optimal between pH 6.0 and 8.0. Nanogold Transmission Electron Microscopy demonstrated that the SA5-1 binds to the outer membrane surface of S. aureus. Diagnostic potential of the SA5-1 peptide was evaluated in human platelet samples spiked with S. aureus and specific detection of the bacteria by biotinylated-SA5-1 and streptavidin-conjugated fluorescent quantum dots. Fluorometry results indicated that the peptide was able to detect ∼100 organisms per ml in a spiked biological sample providing a proof-of-concept towards potential of this peptide as a S. aureus diagnostic tool that can be of use in different detection platforms.
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Affiliation(s)
- Shilpakala Sainath Rao
- Section of Cell Biology, Laboratory of Cellular Hematology, Division of Hematology, Center for Biologics Evaluation and Research, FDA, Bethesda, MD 20892, USA
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Miersch S, Sidhu SS. Synthetic antibodies: concepts, potential and practical considerations. Methods 2012; 57:486-98. [PMID: 22750306 DOI: 10.1016/j.ymeth.2012.06.012] [Citation(s) in RCA: 89] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Revised: 06/18/2012] [Accepted: 06/21/2012] [Indexed: 01/08/2023] Open
Abstract
The last 100 years of enquiry into the fundamental basis of humoral immunity has resulted in the identification of antibodies as key molecular sentinels responsible for the in vivo surveillance, neutralization and clearance of foreign substances. Intense efforts aimed at understanding and exploiting their exquisite molecular specificity have positioned antibodies as a cornerstone supporting basic research, diagnostics and therapeutic applications [1]. More recently, efforts have aimed to circumvent the limitations of developing antibodies in animals by developing wholly in vitro techniques for designing antibodies of tailored specificity. This has been realized with the advent of synthetic antibody libraries that possess diversity outside the scope of natural immune repertoires and are thus capable of yielding specificities not otherwise attainable. This review examines the convergence of technologies that have contributed to the development of combinatorial phage-displayed antibody libraries. It further explores the practical concepts that underlie phage display, antibody diversity and the methods used in the generation of and selection from phage-displayed synthetic antibody libraries, highlighting specific applications in which design approaches gave rise to specificities that could not easily be obtained with libraries based upon natural immune repertories.
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Affiliation(s)
- S Miersch
- Banting and Best Department of Medical Research, University of Toronto, Toronto, Ontario, Canada.
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Rahman MM, Kabir ME, Krishnaswamy S, Miyamoto M, Furuichi Y, Komiyama T. New avenues for phage-display library to produce a Cryptococcus-specific anti-idiotypic antibody of HM-1 killer toxin. J Mol Recognit 2011; 24:631-41. [PMID: 21584874 DOI: 10.1002/jmr.1075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Existing antifungal drugs are notable for their inability to act rapidly, as well as their toxicity and limited spectrum. The identification of fungal-specific genes and virulence factors would provide targets for new and influential drugs. The display of repertories of antibody fragments on the surface of filamentous phage offers a new way to produce immunoreagents as defined specificities. Here we report the selection of Cryptococcus-specific targets by using phage-display panning from a cDNA library, where bactericidal antibodies have been developed against conserved surface-exposed antigens. A single-chain variable fragment (scFv) phage library was constructed from splenocyte of an immunized mouse by idiotypic vaccination with HM-1 killer toxin (HM-1) neutralizing monoclonal antibody (nmAb-KT) that was used for selection against Cryptococcus neoformans membrane fraction (CnMF). Key elements were the selection against antigen (nmAb-KT and CnMF) and the release of bound phages using competitive panning elution with CnMF at neutral pH condition. Isolated scFvs react specifically with C. neoformans and some other pathogenic and non-pathogenic fungal strain's cell wall receptors by exerting strong antifungal activity in vitro. A high affinity clone, designated M1 was selected for detailed characterization and tested anti-cryptococcal activity with IC(50) values at 5.33 × 10(-7) to 5.56 × 10(-7) M against C. neoformans. The method described here is a new technique for the isolation of cell membrane specific immunoreactive phages in the form of scFv using CnMF that contained cell membrane associated proteins.
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Affiliation(s)
- M Mamunur Rahman
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Niigata 956-8603, Japan
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16
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Kabir ME, Karim N, Krishnaswamy S, Selvakumar D, Miyamoto M, Furuichi Y, Komiyama T. Peptide derived from anti-idiotypic single-chain antibody is a potent antifungal agent compared to its parent fungicide HM-1 killer toxin peptide. Appl Microbiol Biotechnol 2011; 92:1151-60. [PMID: 21691785 DOI: 10.1007/s00253-011-3412-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 05/22/2011] [Accepted: 05/23/2011] [Indexed: 12/15/2022]
Abstract
Based on anti-idiotypic network theory in light of the need for new antifungal drugs, we attempted to identify biologically active fragments from HM-1 yeast killer toxin and its anti-idiotypic antibody and to compare their potency as an antifungal agent. Thirteen overlapping peptides from HM-1 killer toxin and six peptides from its anti-idiotypic single-chain variable fragment (scFv) antibodies representing the complementarity determining regions were synthesized. The binding affinities of these peptides were investigated and measured by Dot blot and surface plasmon resonance analysis and finally their antifungal activities were investigated by inhibition of growth, colony forming unit assay. Peptide P6, containing the potential active site of HM-1 was highly capable of inhibiting the growth of Saccharomyces cerevisiae but was less effective on pathogenic fungi. However, peptide fragments derived from scFv antibody exerted remarkable inhibitory effect on the growth of pathogenic strains of Candida and Cryptococcus species in vitro. One scFv-derived decapeptide (SP6) was selected as the strongest killer peptide for its high binding affinity and antifungal abilities on both Candida and Cryptococcus species with IC(50) values from 2.33 × 10(-7) M to 36.0 × 10(-7) M. SP6 peptide activity was neutralized by laminarin, a β-1,3-glucan molecule, indicating this peptide derived from scFv anti-idiotypic antibody retains antifungal activity through interaction with cell wall β-glucan of their target fungal cells. Experimental evidence strongly suggested the possibility of development of anti-idiotypic scFv peptide-based antifungal agents which may lead to improve therapeutics for the management of varieties of fungal infections.
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Affiliation(s)
- M Enamul Kabir
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Japan
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Veggiani G, Ossolengo G, Aliprandi M, Cavallaro U, de Marco A. Single-domain antibodies that compete with the natural ligand fibroblast growth factor block the internalization of the fibroblast growth factor receptor 1. Biochem Biophys Res Commun 2011; 408:692-6. [PMID: 21539817 DOI: 10.1016/j.bbrc.2011.04.090] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Accepted: 04/19/2011] [Indexed: 01/26/2023]
Abstract
Single-domain antibodies in VHH format specific for fibroblast growth factor receptor 1 (FGFR1) were isolated from a phage-display llama naïve library. In particular, phage elution in the presence of the natural receptor ligand fibroblast growth factor (FGF) allowed for the identification of recombinant antibodies that compete with FGF for the same region on the receptor surface. These antibodies posses a relatively low affinity for FGFR1 and were never identified when unspecific elution conditions favoring highly affine binders were applied to panning procedures. Two populations of competitive antibodies were identified that labeled specifically the receptor-expressing cells in immunofluorescence and recognize distinct epitopes. Antibodies from both populations effectively prevented FGF-dependent internalization and nuclear accumulation of the receptor in cultured cells. This achievement indicates that these antibodies have a capacity to modulate the receptor physiology and, therefore, constitute powerful reagents for basic research and a potential lead for therapeutic applications.
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An altered camelid-like single domain anti-idiotypic antibody fragment of HM-1 killer toxin: acts as an effective antifungal agent. Appl Microbiol Biotechnol 2011; 90:553-64. [PMID: 21305279 DOI: 10.1007/s00253-011-3123-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Revised: 01/06/2011] [Accepted: 01/07/2011] [Indexed: 01/14/2023]
Abstract
Phage-display and competitive panning elution leads to the identification of minimum-sized antigen binders together with conventional antibodies from a mouse cDNA library constructed from HM-1 killer toxin neutralizing monoclonal antibody (nmAb-KT). Antigen-specific altered camelid-like single-domain heavy chain antibody (scFv K2) and a conventional antibody (scFv K1) have been isolated against the idiotypic antigen nmAb-KT. The objectives of the study were to examine (1) their properties as compared to conventional antibodies and also (2) their antifungal activity against different pathogenic and non-pathogenic fungal species. The alternative small antigen-binder, i.e., the single-domain heavy chain antibody, was originated from a conventional mouse scFv phage library through somatic hyper-mutation while selection against antigen. This single-domain antibody fragment was well expressed in bacteria and specifically bound with the idiotypic antigen nmAb-KT and had a high stability and solubility. Experimental data showed that the binding affinity for this single-domain antibody was 272-fold higher (K(d)=1.07×10(-10) M) and antifungal activity was three- to fivefold more efficient (IC(50)=0.46×10(-6) to 1.17×10(-6) M) than that for the conventional antibody (K(d)=2.91×10(-8) M and IC(50)=2.14×10(-6) to 3.78×10(-6) M). The derived single-domain antibody might be an ideal scaffold for anti-idiotypic antibody therapy and the development of smaller peptides or peptide mimetic drugs due to their less complex antigen-binding site. We expect that such single-domain synthetic antibodies will find their way into a number of biotechnological or medical applications.
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Isolation and characterization of recombinant single chain fragment variable anti-idiotypic antibody specific to Aspergillus fumigatus membrane protein. J Immunol Methods 2011; 366:60-8. [PMID: 21277307 DOI: 10.1016/j.jim.2011.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Revised: 12/21/2010] [Accepted: 01/20/2011] [Indexed: 11/23/2022]
Abstract
Aspergillus fumigatus causes the highly lethal form of invasive aspergillosis (IA). In the present study to develop a novel anti-fungal drug for protection against invasive disease, we identified a single chain fragment variable (scFv) antibody (scFv AF1) by panning against A. fumigatus membrane fraction (AMF) or HM-1 killer toxin (HM-1) neutralizing monoclonal antibody (nmAb-KT) as antigen. The key step was elution of bound phages with phosphate buffered saline (PBS) at pH 7.0 containing AMF. The specificity of soluble scFv AF1 antibody to antigens was verified by ELISA, which specifically binds to both AMF and nmAb-KT. After nucleotide sequencing, clone expression and purification by HisTrap HP affinity column, scFv AF1 showed in vitro anti-fungal activity against A. fumigatus. By SPR analysis it showed high binding affinity to nmAb-KT (K(d)=5.22×10(-11) M). The method used to isolate scFv AF1 was a new method and we believe that it will be applicable to isolate the specific scFv against any kind of membrane protein of yeast or fungus.
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Zhao Y, Amer S, Wang J, Wang C, Gao Y, Kang G, Bao Y, He H, Qin J. Construction, screening and identification of a phage display antibody library against the Eimeria acervulina merozoite. Biochem Biophys Res Commun 2010; 393:703-7. [DOI: 10.1016/j.bbrc.2010.02.063] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Accepted: 02/11/2010] [Indexed: 10/19/2022]
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Krishnaswamy S, Kabir ME, Miyamoto M, Furuichi Y, Komiyama T. Different buffer effects in selecting HM-1 killer toxin single-chain fragment variable anti-idiotypic antibodies. J Biochem 2010; 147:723-33. [DOI: 10.1093/jb/mvq006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kabir ME, Krishnaswamy S, Miyamoto M, Furuichi Y, Komiyama T. Purification and functional characterization of a Camelid-like single-domain antimycotic antibody by engineering in affinity tag. Protein Expr Purif 2010; 72:59-65. [PMID: 20060473 DOI: 10.1016/j.pep.2010.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2009] [Revised: 12/30/2009] [Accepted: 01/04/2010] [Indexed: 11/26/2022]
Abstract
Single-domain single-chain variable fragment (scFv) antibody is sometimes critical for purification using affinity tagging strategy. We failed in our initial effort to purify a prematurely developed Camelid-like E-tagged short scFv-K2 antibody that contained a complete variable region of the heavy chain and partial region of the light chain by using an anti-E-tag affinity column. To expedite the purification of this altered but interesting antimycotic agent, we replaced a long and large E-tag by a short and hydrophilic 6x-Histidine (His(6)) affinity tag by polymerase chain reaction. The short and compact His(6)-tag was placed on the previously constructed expression vector pCANTAB 5 E that contained the large affinity E-tag sequence (13 amino acids) by PCR-based mutagenesis and was expressed in Escherichia coli. The recombinant protein can then be purified by immobilized metal affinity chromatography (IMAC) and be used for biochemical and other functional characterization. This His(6)-tagged short scFv-K2 antibody (20 kDa) had strong cytocidal activity against Saccharomyces and Candida species with a IC(50) value of 0.44x10(-6)M and 1.10 x 10(-6)M, respectively. Tag replacement facilitates the purification of a Camelid-like single-domain scFv antibody and after that meets its different functional characteristics. The present study reflects that the V(H) domain of the scFv antibody is mainly responsible for its biological activity and single-domain scFv antibody may acts as a potent antimicrobial agent.
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Affiliation(s)
- M Enamul Kabir
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Niigata 956-8603, Japan
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