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Yu T, Sun Z, Cao X, Pang Q, Deng H. Recent trends in T7 phage application in diagnosis and treatment of various diseases. Int Immunopharmacol 2022; 110:109071. [DOI: 10.1016/j.intimp.2022.109071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/25/2022] [Accepted: 07/14/2022] [Indexed: 11/05/2022]
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Yue H, Li Y, Yang M, Mao C. T7 Phage as an Emerging Nanobiomaterial with Genetically Tunable Target Specificity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103645. [PMID: 34914854 PMCID: PMC8811829 DOI: 10.1002/advs.202103645] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 10/27/2021] [Indexed: 05/05/2023]
Abstract
Bacteriophages, also known as phages, are specific antagonists against bacteria. T7 phage has drawn massive attention in precision medicine owing to its distinctive advantages, such as short replication cycle, ease in displaying peptides and proteins, high stability and cloning efficiency, facile manipulation, and convenient storage. By introducing foreign gene into phage DNA, T7 phage can present foreign peptides or proteins site-specifically on its capsid, enabling it to become a nanoparticle that can be genetically engineered to screen and display a peptide or protein capable of recognizing a specific target with high affinity. This review critically introduces the biomedical use of T7 phage, ranging from the detection of serological biomarkers and bacterial pathogens, recognition of cells or tissues with high affinity, design of gene vectors or vaccines, to targeted therapy of different challenging diseases (e.g., bacterial infection, cancer, neurodegenerative disease, inflammatory disease, and foot-mouth disease). It also discusses perspectives and challenges in exploring T7 phage, including the understanding of its interactions with human body, assembly into scaffolds for tissue regeneration, integration with genome editing, and theranostic use in clinics. As a genetically modifiable biological nanoparticle, T7 phage holds promise as biomedical imaging probes, therapeutic agents, drug and gene carriers, and detection tools.
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Affiliation(s)
- Hui Yue
- School of Materials Science and EngineeringZhejiang UniversityHangzhouZhejiang310027P. R. China
| | - Yan Li
- Institute of Applied Bioresource ResearchCollege of Animal ScienceZhejiang UniversityYuhangtang Road 866HangzhouZhejiang310058P. R. China
| | - Mingying Yang
- Institute of Applied Bioresource ResearchCollege of Animal ScienceZhejiang UniversityYuhangtang Road 866HangzhouZhejiang310058P. R. China
| | - Chuanbin Mao
- School of Materials Science and EngineeringZhejiang UniversityHangzhouZhejiang310027P. R. China
- Department of Chemistry and BiochemistryStephenson Life Science Research CenterInstitute for Biomedical Engineering, Science and TechnologyUniversity of Oklahoma101 Stephenson ParkwayNormanOklahoma73019‐5251USA
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Takakusagi Y, Takakusagi K, Sakaguchi K, Sugawara F. Phage display technology for target determination of small-molecule therapeutics: an update. Expert Opin Drug Discov 2020; 15:1199-1211. [DOI: 10.1080/17460441.2020.1790523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yoichi Takakusagi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Chiba, Japan
- Institute of Quantum Life Science (iQLS), National Institutes of Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Kaori Takakusagi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Chiba, Japan
- Institute of Quantum Life Science (iQLS), National Institutes of Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Kengo Sakaguchi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Chiba, Japan
| | - Fumio Sugawara
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Chiba, Japan
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Rizvi SFA, Tariq S, Mehdi M, Hassan AJ. Synthesis of 99m Tc-roxithromycin: A novel diagnostic agent to discriminate between septic and aseptic inflammation. Chem Biol Drug Des 2018; 93:1166-1174. [PMID: 30370631 DOI: 10.1111/cbdd.13412] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Revised: 09/19/2018] [Accepted: 09/23/2018] [Indexed: 01/12/2023]
Abstract
Roxithromycin is a second-generation macrolide antibiotic derived from erythromycin. In the current study, roxithromycin (ROX) was successfully labeled with technetium-99m for early diagnosis of bacterial infection and discrimination between septic and aseptic inflammation. The highest radiochemical purity of ≥95% was achieved by investigating different labeling parameters such as pH, ligand/reducing agent concentration, temperature, and amount of stabilizing agent. For this purpose, 0.3-0.5 mg ligand, 2-6 μg SnCl2 ·2H2 O as a reducing agent at basic pH (8-10 pH) and 2 mg mannitol used as a stabilizing agent, in the end, 370 MBq 99m Tc added into the reaction vials and incubated for a wide range of temperature (-4 to 65°C). The percent radiochemical purity of 99m Tc-roxithromycin was assessed with the help of the radio-thin-layer chromatography technique. The characterization studies were carried out using electrophoresis and Radio-HPLC techniques as well as saline stability and serum stability studies were also performed. Furthermore, biodistribution study was also performed in an inflamed animal model to discriminate between septic (heat-killed Staphylococcus aureus) and aseptic (turpentine oil) inflammatory lesions. The results were elaborated that 99m Tc-roxithromycin (99m Tc-ROX) was clearly bounded at the septic inflammation site (T/NT ratio of 7.08 ± 1.14) at 30 min postadministration, and maximum accumulation was seen in heart, lungs, liver, stomach, kidneys, and intestine. The results were suggested that 99m Tc-ROX might be used to discriminate between septic and aseptic inflammatory lesions at an early stage.
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Affiliation(s)
- Syed Faheem Askari Rizvi
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan.,Isotope Production Division, Pakistan Institute of Nuclear Science and Technology, Islamabad, Pakistan
| | - Saleha Tariq
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Mehdi
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ahmad Junaid Hassan
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
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Using the QCM Biosensor-Based T7 Phage Display Combined with Bioinformatics Analysis for Target Identification of Bioactive Small Molecule. Methods Mol Biol 2018; 1795:159-172. [PMID: 29846927 DOI: 10.1007/978-1-4939-7874-8_14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Identification of target proteins that directly bind to bioactive small molecule is of great interest in terms of clarifying the mode of action of the small molecule as well as elucidating the biological phenomena at the molecular level. Of the experimental technologies available, T7 phage display allows comprehensive screening of small molecule-recognizing amino acid sequence from the peptide libraries displayed on the T7 phage capsid. Here, we describe the T7 phage display strategy that is combined with quartz-crystal microbalance (QCM) biosensor for affinity selection platform and bioinformatics analysis for small molecule-recognizing short peptides. This method dramatically enhances efficacy and throughput of the screening for small molecule-recognizing amino acid sequences without repeated rounds of selection. Subsequent execution of bioinformatics programs allows combinatorial and comprehensive target protein discovery of small molecules with its binding site, regardless of protein sample insolubility, instability, or inaccessibility of the fixed small molecules to internally located binding site on larger target proteins when conventional proteomics approaches are used.
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Deng X, Wang L, You X, Dai P, Zeng Y. Advances in the T7 phage display system (Review). Mol Med Rep 2017; 17:714-720. [PMID: 29115536 DOI: 10.3892/mmr.2017.7994] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Accepted: 08/10/2017] [Indexed: 11/06/2022] Open
Abstract
The present review describes the advantages and updated applications of the T7 phage display system in bioscience and medical science. Current phage display systems are based on various bacteriophage vectors, including M13, T7, T4 and f1. Of these, the M13 phage display is the most frequently used, however, the present review highlights the advantages of the T7 system. As a phage display platform, M13 contains single‑stranded DNA, while the T7 phage consists of double‑stranded DNA, which exhibits increased stability and is less prone to mutation during replication. Additional characteristics of the T7 phage include the following: The T7 phage does not depend on a protein secretion pathway in the lytic cycle; expressed peptides and proteins are usually located on the C‑terminal region of capsid protein gp10B, which avoids problems associated with steric hindrance; and T7 phage particles exhibit high stability under various extreme conditions, including high temperature and low pH, which facilitates effective high‑throughput affinity elutriation. Recent applications of the T7 phage display system have been instrumental in uncovering mechanisms of molecular interaction, particularly in the fields of antigen discovery, vaccine development, protein interaction, and cancer diagnosis and treatment.
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Affiliation(s)
- Xiangying Deng
- Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan 421001, P.R. China
| | - Li Wang
- Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan 421001, P.R. China
| | - Xiaolong You
- Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan 421001, P.R. China
| | - Pei Dai
- Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan 421001, P.R. China
| | - Yanhua Zeng
- Institute of Pathogenic Biology, Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, Hunan 421001, P.R. China
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Abstract
Novel affinity agents with high specificity are needed to make progress in disease diagnosis and therapy. Over the last several years, peptides have been considered to have fundamental benefits over other affinity agents, such as antibodies, due to their fast blood clearance, low immunogenicity, rapid tissue penetration, and reproducible chemical synthesis. These features make peptides ideal affinity agents for applications in disease diagnostics and therapeutics for a wide variety of afflictions. Virus-derived peptide techniques provide a rapid, robust, and high-throughput way to identify organism-targeting peptides with high affinity and selectivity. Here, we will review viral peptide display techniques, how these techniques have been utilized to select new organism-targeting peptides, and their numerous biomedical applications with an emphasis on targeted imaging, diagnosis, and therapeutic techniques. In the future, these virus-derived peptides may be used as common diagnosis and therapeutics tools in local clinics.
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Affiliation(s)
- Mingying Yang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China
| | - Kegan Sunderland
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States
| | - Chuanbin Mao
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019, United States
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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Insights into resistance mechanism of the macrolide biosensor protein MphR(A) binding to macrolide antibiotic erythromycin by molecular dynamics simulation. J Comput Aided Mol Des 2015; 29:1123-36. [DOI: 10.1007/s10822-015-9881-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 11/06/2015] [Indexed: 01/31/2023]
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