1
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Lin Z, Assaraf YG, Kwok HF. Peptides for microbe-induced cancers: latest therapeutic strategies and their advanced technologies. Cancer Metastasis Rev 2024:10.1007/s10555-024-10197-4. [PMID: 39008152 DOI: 10.1007/s10555-024-10197-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 06/14/2024] [Indexed: 07/16/2024]
Abstract
Cancer is a significant global health concern associated with multiple distinct factors, including microbial and viral infections. Numerous studies have elucidated the role of microorganisms, such as Helicobacter pylori (H. pylori), as well as viruses for example human papillomavirus (HPV), hepatitis B virus (HBV), and hepatitis C virus (HCV), in the development of human malignancies. Substantial attention has been focused on the treatment of these microorganism- and virus-associated cancers, with promising outcomes observed in studies employing peptide-based therapies. The current paper provides an overview of microbe- and virus-induced cancers and their underlying molecular mechanisms. We discuss an assortment of peptide-based therapies which are currently being developed, including tumor-targeting peptides and microbial/viral peptide-based vaccines. We describe the major technological advancements that have been made in the design, screening, and delivery of peptides as anticancer agents. The primary focus of the current review is to provide insight into the latest research and development in this field and to provide a realistic glimpse into the future of peptide-based therapies for microbe- and virus-induced neoplasms.
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Affiliation(s)
- Ziqi Lin
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau SAR
- Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau SAR
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Lab, Faculty of Biology, Technion-Israel Instituteof Technology, Haifa, 3200003, Israel
| | - Hang Fai Kwok
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau SAR.
- Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau SAR.
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Avenida de Universidade, Taipa, Macau SAR.
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2
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Nisticò N, Aloisio A, Lupia A, Zimbo AM, Mimmi S, Maisano D, Russo R, Marino F, Scalise M, Chiarella E, Mancuso T, Fiume G, Omodei D, Zannetti A, Salvatore G, Quinto I, Iaccino E. Development of Cyclic Peptides Targeting the Epidermal Growth Factor Receptor in Mesenchymal Triple-Negative Breast Cancer Subtype. Cells 2023; 12:cells12071078. [PMID: 37048151 PMCID: PMC10093212 DOI: 10.3390/cells12071078] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is an aggressive malignancy characterized by the lack of expression of estrogen and progesterone receptors and amplification of human epidermal growth factor receptor 2 (HER2). Being the Epidermal Growth Factor Receptor (EGFR) highly expressed in mesenchymal TNBC and correlated with aggressive growth behavior, it represents an ideal target for anticancer drugs. Here, we have applied the phage display for selecting two highly specific peptide ligands for targeting the EGFR overexpressed in MDA-MB-231 cells, a human TNBC cell line. Molecular docking predicted the peptide-binding affinities and sites in the extracellular domain of EGFR. The binding of the FITC-conjugated peptides to human and murine TNBC cells was validated by flow cytometry. Confocal microscopy confirmed the peptide binding specificity to EGFR-positive MDA-MB-231 tumor xenograft tissues and their co-localization with the membrane EGFR. Further, the peptide stimulation did not affect the cell cycle of TNBC cells, which is of interest for their utility for tumor targeting. Our data indicate that these novel peptides are highly specific ligands for the EGFR overexpressed in TNBC cells, and thus they could be used in conjugation with nanoparticles for tumor-targeted delivery of anticancer drugs.
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Affiliation(s)
- Nancy Nisticò
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Annamaria Aloisio
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Antonio Lupia
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Monserrato, 09042 Cagliari, Italy
- Net4Science srl, University “Magna Græcia”, 88100 Catanzaro, Italy
| | - Anna Maria Zimbo
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Selena Mimmi
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Domenico Maisano
- Department of Medical Oncology, Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA
| | - Rossella Russo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy
| | - Fabiola Marino
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Mariangela Scalise
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Emanuela Chiarella
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Teresa Mancuso
- “Annunziata” Regional Hospital Cosenza, 87100 Cosenza, Italy
| | - Giuseppe Fiume
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Daniela Omodei
- Institute of Biostructures and Bioimaging, National Research Council, IBB-CNR, 80145 Naples, Italy
| | - Antonella Zannetti
- Institute of Biostructures and Bioimaging, National Research Council, IBB-CNR, 80145 Naples, Italy
| | - Giuliana Salvatore
- Dipartimento di Scienze Motorie e del Benessere, Università degli studi di Napoli “Parthenope”, 80133 Naples, Italy
- CEINGE- Biotecnologie Avanzate S.C.A.R.L., 80145 Naples, Italy
| | - Ileana Quinto
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
| | - Enrico Iaccino
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy
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3
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Decker S, Taschauer A, Geppl E, Pirhofer V, Schauer M, Pöschl S, Kopp F, Richter L, Ecker GF, Sami H, Ogris M. Structure-based peptide ligand design for improved epidermal growth factor receptor targeted gene delivery. Eur J Pharm Biopharm 2022; 176:211-221. [DOI: 10.1016/j.ejpb.2022.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/25/2022] [Accepted: 05/04/2022] [Indexed: 11/04/2022]
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4
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Kim MH, Kim SG, Kim DW. A novel dual-labeled small peptide as a multimodal imaging agent for targeting wild-type EGFR in tumors. PLoS One 2022; 17:e0263474. [PMID: 35120180 PMCID: PMC8815872 DOI: 10.1371/journal.pone.0263474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/19/2022] [Indexed: 11/29/2022] Open
Abstract
The epidermal growth factor receptor (EGFR) is over-expressed in various human cancer. The over-expression of EGFR in tumors is an excellent target for the development of cancer imaging agents. In the present study, we developed Tc-99m SYPIPDT-GHEG-ECG-K-tetramethylrhodamine (SYPIPDT-ECG-TAMRA) as a molecular imaging agent targeting wild-type EFGR (wtEGFR)-positive tumor cells, and verified its feasibility as molecular imaging agent. SYPIPDT-ECG-TAMRA was synthesized using Fmoc solid-phase peptide synthesis. The radiolabeling of SYPIPDT-ECG-TAMRA with Tc-99m was accomplished using ligand exchange via tartrate. Cellular uptake and binding affinity studies were performed. In vivo gamma camera imaging, ex vivo imaging and biodistribution studies were performed using NCI-H460 and SW620 tumor-bearing murine models. After radiolabeling procedures with Tc-99m, Tc-99m SYPIPDT-ECG-TAMRA complexes were prepared at high yield (> 95%). The binding affinity value (Kd) of Tc-99m SYPIPDT-ECG-TAMRA for NCI-H460 cells was estimated to be 76.5 ± 15.8 nM. In gamma camera imaging, the tumor to normal muscle uptake ratios of Tc-99m SYPIPDT-ECG-TAMRA increased with time (2.7 ± 0.6, 4.0 ± 0.9, and 6.2 ± 1.0 at 1, 2, and 3 h, respectively). The percentage injected dose per gram of wet tissue for the NCI-H460 tumor was 1.91 ± 0.11 and 1.70 ± 0.22 at 1 and 3 h, respectively. We developed Tc-99m SYPIPDT-ECG-TAMRA, which is dual-labeled with both radioisotope and fluorescence. In vivo and in vitro studies demonstrated specific uptake of Tc-99m SYPIPDT-ECG-TAMRA into wtEGFR-positive NCI-H460 cells and tumors. Thus, the results of the present study suggest that Tc-99m SYPIPDT-ECG-TAMRA is a potential dual-modality imaging agent targeting wtEGFR.
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Affiliation(s)
- Myoung Hyoun Kim
- Department of Nuclear Medicine and Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Jeollabuk-do, Korea
| | - Seul-Gi Kim
- Research Unit of Molecular Imaging Agent (RUMIA), Wonkwang University School of Medicine, Iksan, Jeollabuk-do, Korea
| | - Dae-Weung Kim
- Department of Nuclear Medicine and Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Jeollabuk-do, Korea
- Research Unit of Molecular Imaging Agent (RUMIA), Wonkwang University School of Medicine, Iksan, Jeollabuk-do, Korea
- * E-mail:
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5
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Bortot B, Apollonio M, Baj G, Andolfi L, Zupin L, Crovella S, di Giosia M, Cantelli A, Saporetti R, Ulfo L, Petrosino A, Di Lorenzo G, Romano F, Ricci G, Mongiat M, Danielli A, Calvaresi M, Biffi S. Advanced photodynamic therapy with an engineered M13 phage targeting EGFR: Mitochondrial localization and autophagy induction in ovarian cancer cell lines. Free Radic Biol Med 2022; 179:242-251. [PMID: 34808331 DOI: 10.1016/j.freeradbiomed.2021.11.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/10/2021] [Accepted: 11/17/2021] [Indexed: 01/02/2023]
Abstract
Photodynamic therapy (PDT) is a potential synergistic approach to chemotherapy for treating ovarian cancer, the most lethal gynecologic malignancy. Here we used M13 bacteriophage as a targeted vector for the efficient photodynamic killing of SKOV3 and COV362 cells. The M13 phage was refactored (M13r) to display an EGFR binding peptide in its tip that is frequently overexpressed in ovarian cancer. The refactored phage was conjugated with chlorin e6 (Ce6), one of the most widely used photosensitizers (M13r-Ce6). The new platform, upon irradiation, generated ROS by type I mechanism and showed activity in killing SKOV3 and COV362 cells even at concentrations in which Ce6 alone was ineffective. A microscopy analysis demonstrated an enhanced cellular uptake of M13r-Ce6 compared to free Ce6 and its mitochondrial localization. Western blot analysis revealed significant downregulation in the expression of EGFR in cells exposed to M13r-Ce6 after PDT. Following PDT treatment, autophagy induction was supported by an increased expression of LC3II, along with a raised autophagic fluorescent signal, as observed by fluorescence microscopy analysis for autophagosome visualization. As a conclusion we have herein proposed a bacteriophage-based receptor targeted photodynamic therapy for EGFR-positive ovarian cancer.
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Affiliation(s)
- Barbara Bortot
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Maura Apollonio
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Gabriele Baj
- BRAIN Center for Neuroscience, Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Laura Andolfi
- Consiglio Nazionale delle Ricerche, Istituto Officina dei Materiali IOM-CNR, Trieste, Italy
| | - Luisa Zupin
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Sergio Crovella
- Department of Biological and Environmental Sciences, College of Arts and Sciences, University of Qatar, Doha, Qatar
| | - Matteo di Giosia
- Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Andrea Cantelli
- Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Roberto Saporetti
- Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Luca Ulfo
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Annapaola Petrosino
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Giovanni Di Lorenzo
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Federico Romano
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Giuseppe Ricci
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy; Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Maurizio Mongiat
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Italy
| | - Alberto Danielli
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, Bologna, Italy
| | - Matteo Calvaresi
- Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum - Università di Bologna, Bologna, Italy.
| | - Stefania Biffi
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy.
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6
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Ulfo L, Cantelli A, Petrosino A, Costantini PE, Nigro M, Starinieri F, Turrini E, Zadran SK, Zuccheri G, Saporetti R, Di Giosia M, Danielli A, Calvaresi M. Orthogonal nanoarchitectonics of M13 phage for receptor targeted anticancer photodynamic therapy. NANOSCALE 2022; 14:632-641. [PMID: 34792088 DOI: 10.1039/d1nr06053h] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photodynamic therapy (PDT) represents a promising therapeutic modality for cancer. Here we used an orthogonal nanoarchitectonics approach (genetic/chemical) to engineer M13 bacteriophages as targeted vectors for efficient photodynamic killing of cancer cells. M13 was genetically refactored to display on the phage tip a peptide (SYPIPDT) able to bind the epidermal growth factor receptor (EGFR). The refactored M13EGFR phages demonstrated EGFR-targeted tropism and were internalized by A431 cancer cells, that overexpress EGFR. Using an orthogonal approach to the genetic display, M13EGFR phages were then chemically modified, conjugating hundreds of Rose Bengal (RB) photosensitizing molecules on the capsid surface, without affecting the selective recognition of the SYPIPDT peptides. Upon internalization, the M13EGFR-RB derivatives generated intracellularly reactive oxygen species, activated by an ultralow intensity white light irradiation. The killing activity of cancer cells is observed at picomolar concentrations of the M13EGFR phage.
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Affiliation(s)
- Luca Ulfo
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Andrea Cantelli
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy.
| | - Annapaola Petrosino
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Paolo Emidio Costantini
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Michela Nigro
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Francesco Starinieri
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Eleonora Turrini
- Dipartimento di Scienze per la Qualità della Vita, Alma Mater Studiorum-Università di Bologna, Corso d'Augusto 237, 47921 Rimini, Italy
| | - Suleman Khan Zadran
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Giampaolo Zuccheri
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Roberto Saporetti
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy.
| | - Matteo Di Giosia
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy.
| | - Alberto Danielli
- Dipartimento di Farmacia e Biotecnologie, Alma Mater Studiorum - Università di Bologna, via Francesco Selmi 3, 40126 Bologna, Italy.
| | - Matteo Calvaresi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy.
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7
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Aloisio A, Nisticò N, Mimmi S, Maisano D, Vecchio E, Fiume G, Iaccino E, Quinto I. Phage-Displayed Peptides for Targeting Tyrosine Kinase Membrane Receptors in Cancer Therapy. Viruses 2021; 13:649. [PMID: 33918836 PMCID: PMC8070105 DOI: 10.3390/v13040649] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/04/2021] [Accepted: 04/07/2021] [Indexed: 02/06/2023] Open
Abstract
Receptor tyrosine kinases (RTKs) regulate critical physiological processes, such as cell growth, survival, motility, and metabolism. Abnormal activation of RTKs and relative downstream signaling is implicated in cancer pathogenesis. Phage display allows the rapid selection of peptide ligands of membrane receptors. These peptides can target in vitro and in vivo tumor cells and represent a novel therapeutic approach for cancer therapy. Further, they are more convenient compared to antibodies, being less expensive and non-immunogenic. In this review, we describe the state-of-the-art of phage display for development of peptide ligands of tyrosine kinase membrane receptors and discuss their potential applications for tumor-targeted therapy.
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Affiliation(s)
| | | | | | | | | | | | | | - Ileana Quinto
- Correspondence: (A.A.); (I.Q.): Tel.: +39-0961-3694057 (I.Q.)
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8
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Xu P, Ghosh S, Gul AR, Bhamore JR, Park JP, Park TJ. Screening of specific binding peptides using phage-display techniques and their biosensing applications. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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9
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Williams TM, Kaufman NEM, Zhou Z, Singh SS, Jois SD, Vicente MDGH. Click Conjugation of Boron Dipyrromethene (BODIPY) Fluorophores to EGFR-Targeting Linear and Cyclic Peptides. Molecules 2021; 26:molecules26030593. [PMID: 33498632 PMCID: PMC7865655 DOI: 10.3390/molecules26030593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/18/2021] [Accepted: 01/20/2021] [Indexed: 12/15/2022] Open
Abstract
Through a simple 1,3-cycloaddition reaction, three BODIPY-peptide conjugates that target the extracellular domain of the epidermal growth factor receptor (EGFR) were prepared and their ability for binding to EGFR was investigated. The peptide ligands K(N3)LARLLT and its cyclic analog cyclo(K(N3)larllt, previously shown to have high affinity for binding to the extracellular domain of EGFR, were conjugated to alkynyl-functionalized BODIPY dyes 1 and 2 via a copper-catalyzed click reaction. This reaction produced conjugates 3, 4, and 5 in high yields (70–82%). In vitro studies using human carcinoma HEp2 cells that overexpress EGFR demonstrated high cellular uptake, particularly for the cyclic peptide conjugate 5, and low cytotoxicity in light (~1 J·cm−2) and darkness. Surface plasmon resonance (SPR) results show binding affinity of the three BODIPY-peptide conjugates for EGFR, particularly for 5 bearing the cyclic peptide. Competitive binding studies using three cell lines with different expressions of EGFR show that 5 binds specifically to EGFR-overexpressing colon cancer cells. Among the three conjugates, 5 bearing the cyclic peptide exhibited the highest affinity for binding to the EGFR protein.
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Affiliation(s)
- Tyrslai M. Williams
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (T.M.W.); (N.E.M.K.); (Z.Z.)
| | - Nichole E. M. Kaufman
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (T.M.W.); (N.E.M.K.); (Z.Z.)
| | - Zehua Zhou
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (T.M.W.); (N.E.M.K.); (Z.Z.)
| | - Sitanshu S. Singh
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana at Monroe, Monroe, LA 71201, USA; (S.S.S.); (S.D.J.)
| | - Seetharama D. Jois
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana at Monroe, Monroe, LA 71201, USA; (S.S.S.); (S.D.J.)
| | - Maria da Graça H. Vicente
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (T.M.W.); (N.E.M.K.); (Z.Z.)
- Correspondence: ; Tel.: +1-225-578-7405; Fax: +1-225-578-3458
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10
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Pethő L, Kasza G, Lajkó E, Láng O, Kőhidai L, Iván B, Mező G. Amphiphilic drug-peptide-polymer conjugates based on poly(ethylene glycol) and hyperbranched polyglycerol for epidermal growth factor receptor targeting: the effect of conjugate aggregation on in vitro activity. SOFT MATTER 2020; 16:5759-5769. [PMID: 32530018 DOI: 10.1039/d0sm00428f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Numerous peptide-drug conjugates have been developed over the years to enhance the specificity and selectivity of chemotherapeutic agents for tumour cells. In our present work, epidermal growth factor receptor targeting drug-peptide conjugates were prepared using GE11 and D4 peptides. To ensure the drug release, the cathepsin B labile GFLG spacer was incorporated between the targeting peptide and the drug molecule (daunomycin), which significantly increased the hydrophobicity and thereby decreased the water solubility of the conjugates. To overcome the solubility problem, drug-peptide-polymer conjugates with systematic structural variations were prepared, by linking poly(ethylene glycol) (PEG) or a well-defined amino-monofunctional hyperbranched polyglycerol (HbPG) directly or via a pentaglycine spacer to the targeting peptides. All the drug-peptide-polymer conjugates were water-soluble as confirmed by turbidimetric measurements. The results of the in vitro cell viability and cellular uptake measurements on HT-29 human colon adenocarcinoma cells proved that the HbPG and the PEG highly influenced the biological activity. The conjugation of the hydrophilic polymer resulted in the amphiphilic character of the conjugates, which led to self-aggregation and nanoparticle formation that decreased the cellular uptake above a specific aggregation concentration. On the other hand, the hydrodynamic volume and the different polymer chain topology of the linear PEG and the compact hyperbranched HbPG also played an important role in the biological activity. Therefore, in similar systems, the investigation of the colloidal properties is inevitable for the better understanding of the biological activity, which can reveal the structure-activity relationship of amphiphilic drug-peptide-polymer conjugates for efficient tumour targeting.
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Affiliation(s)
- Lilla Pethő
- MTA-ELTE Research Group of Peptide Chemistry, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary.
| | - György Kasza
- Polymer Chemistry Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, H-1117 Budapest, Magyar tudósok körútja 2, Hungary.
| | - Eszter Lajkó
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, H-1089 Budapest, Nagyvárad tér 4, Hungary
| | - Orsolya Láng
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, H-1089 Budapest, Nagyvárad tér 4, Hungary
| | - László Kőhidai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, H-1089 Budapest, Nagyvárad tér 4, Hungary
| | - Béla Iván
- Polymer Chemistry Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, H-1117 Budapest, Magyar tudósok körútja 2, Hungary.
| | - Gábor Mező
- MTA-ELTE Research Group of Peptide Chemistry, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary. and Eötvös Loránd University, Faculty of Science, Institute of Chemistry, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary
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11
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Williams TM, Zhou Z, Singh SS, Sibrian-Vazquez M, Jois SD, Henriques Vicente MDG. Targeting EGFR Overexpression at the Surface of Colorectal Cancer Cells by Exploiting Amidated BODIPY-Peptide Conjugates. Photochem Photobiol 2020; 96:581-595. [PMID: 32086809 DOI: 10.1111/php.13234] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 12/22/2019] [Indexed: 12/12/2022]
Abstract
Three BODIPY-peptide conjugates designed to target the epidermal growth factor receptor (EGFR) at the extracellular domain were synthesized, and their specificity for binding to EGFR was investigated. Peptide sequences containing seven amino acids, GLARLLT (2) and KLARLLT (4), and 13 amino acids, GYHWYGYTPQNVI (3), were conjugated to carboxyl BODIPY dye (1) by amide bond formation in up to 73% yields. The BODIPY-peptide conjugates and their "parent" peptides were determined to bind to EGFR experimentally using SPR analysis and were further investigated using computational methods (AutoDock). Results of SPR, competitive binding and docking studies propose that conjugate 6 including the GYHWYGYTPQNVI sequence binds to EGFR more effectively than conjugates 5 and 7, bearing the smaller peptide sequences. Findings in human carcinoma HEp2 cells overexpressing EGFR showed nontoxic behavior in the presence of activated light (1.5 J cm-2 ) and in the absence of light for all BODIPYs. Furthermore, conjugate 6 showed about five-fold higher accumulation within HEp2 cells compared with conjugates 5 and 7, localizing preferentially in the cell ER and lysosomes. Our findings suggest that BODIPY-peptide conjugate 6 is a promising contrast agent for detection of colorectal cancer and potentially other EGFR-overexpressing cancers.
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Affiliation(s)
| | - Zehua Zhou
- Department of Chemistry, Louisiana State University, Baton Rouge, LA
| | - Sitanshu S Singh
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana at Monroe, Monroe, LA
| | | | - Seetharama D Jois
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana at Monroe, Monroe, LA
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12
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Xu H, Cao B, Li Y, Mao C. Phage nanofibers in nanomedicine: Biopanning for early diagnosis, targeted therapy, and proteomics analysis. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1623. [PMID: 32147974 DOI: 10.1002/wnan.1623] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/02/2020] [Accepted: 02/04/2020] [Indexed: 12/16/2022]
Abstract
Display of a peptide or protein of interest on the filamentous phage (also known as bacteriophage), a biological nanofiber, has opened a new route for disease diagnosis and therapy as well as proteomics. Earlier phage display was widely used in protein-protein or antigen-antibody studies. In recent years, its application in nanomedicine is becoming increasingly popular and encouraging. We aim to review the current status in this research direction. For better understanding, we start with a brief introduction of basic biology and structure of the filamentous phage. We present the principle of phage display and library construction method on the basis of the filamentous phage. We summarize the use of the phage displayed peptide library for selecting peptides with high affinity against cells or tissues. We then review the recent applications of the selected cell or tissue targeting peptides in developing new targeting probes and therapeutics to advance the early diagnosis and targeted therapy of different diseases in nanomedicine. We also discuss the integration of antibody phage display and modern proteomics in discovering new biomarkers or target proteins for disease diagnosis and therapy. Finally, we propose an outlook for further advancing the potential impact of phage display on future nanomedicine. This article is categorized under: Biology-Inspired Nanomaterials > Protein and Virus-Based Structures.
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Affiliation(s)
- Hong Xu
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma, USA
| | - Binrui Cao
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma, USA
| | - Yan Li
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma, USA
| | - Chuanbin Mao
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma, USA
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13
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Massey SE, Mishra B. Origin of biomolecular games: deception and molecular evolution. J R Soc Interface 2019; 15:rsif.2018.0429. [PMID: 30185543 DOI: 10.1098/rsif.2018.0429] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/09/2018] [Indexed: 12/13/2022] Open
Abstract
Biological macromolecules encode information: some of it to endow the molecule with structural flexibility, some of it to enable molecular actions as a catalyst or a substrate, but a residual part can be used to communicate with other macromolecules. Thus, macromolecules do not need to possess information only to survive in an environment, but also to strategically interact with others by sending signals to a receiving macromolecule that can properly interpret the signal and act suitably. These sender-receiver signalling games are sustained by the information asymmetry that exists among the macromolecules. In both biochemistry and molecular evolution, the important role of information asymmetry remains largely unaddressed. Here, we provide a new unifying perspective on the impact of information symmetry between macromolecules on molecular evolutionary processes, while focusing on molecular deception. Biomolecular games arise from the ability of biological macromolecules to exert precise recognition, and their role as units of selection, meaning that they are subject to competition and cooperation with other macromolecules. Thus, signalling game theory can be used to better understand fundamental features of living systems such as molecular recognition, molecular mimicry, selfish elements and 'junk' DNA. We show how deceptive behaviour at the molecular level indicates a conflict of interest, and so provides evidence of genetic conflict. This model proposes that molecular deception is diagnostic of selfish behaviour, helping to explain the evasive behaviour of transposable elements in 'junk' DNA, for example. Additionally, in this broad review, a range of major evolutionary transitions are shown to be associated with the establishment of signalling conventions, many of which are susceptible to molecular deception. These perspectives allow us to assign rudimentary behaviour to macromolecules, and show how participation in signalling games differentiates biochemistry from abiotic chemistry.
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Affiliation(s)
- Steven E Massey
- Department of Biology, University of Puerto Rico, San Juan, PR, USA
| | - Bud Mishra
- Courant Institute, New York University, NY, USA
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Yan Q, Cai M, Zhou L, Xu H, Shi Y, Sun J, Jiang J, Gao J, Wang H. Using an RNA aptamer probe for super-resolution imaging of native EGFR. NANOSCALE ADVANCES 2019; 1:291-298. [PMID: 36132464 PMCID: PMC9473275 DOI: 10.1039/c8na00143j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 01/08/2019] [Accepted: 08/16/2018] [Indexed: 05/06/2023]
Abstract
Aptamers, referred to as "chemical antibodies", are short single-stranded oligonucleotides that bind to targets with high affinity and specificity. Compared with antibodies, aptamers can be designed, developed and modified easily. Since their discovery, aptamers have been widely used in in vitro diagnostics and molecular imaging. However, they are relatively less studied and applied in advanced microscopy. Here we used an RNA aptamer in dSTORM imaging and obtained a high-quality image of EGFR nanoscale clusters on live cell membranes. The results showed that the cluster number and size with aptamer labeling were almost the same as those with labeling with the natural ligand EGF, but the morphology of the clusters was smaller and more regular than that with cetuximab labeling. Meanwhile, dual-color imaging demonstrated sufficient fluorophore labeling, highly specific recognition and greatly accurate clustering information provided by aptamers. Furthermore, the aptamer labeling method indicated that active EGFR formed larger clusters containing more molecules than resting EGFR, which was hidden under the antibody labeling. Our work suggested that aptamers can be used as versatile probes in super-resolution imaging with small steric hindrance, opening a new avenue for detailed and precise morphological analysis of membrane proteins.
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Affiliation(s)
- Qiuyan Yan
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Mingjun Cai
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
| | - Lulu Zhou
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Haijiao Xu
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Yan Shi
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
| | - Jiayin Sun
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
| | - Junguang Jiang
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
| | - Jing Gao
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
| | - Hongda Wang
- State Key Laboratory of Electroanalytical Chemistry, Research Center of Biomembranomics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology Wenhai Road, Aoshanwei, Jimo, Qingdao Shandong 266237 P. R. China
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Zarei O, Benvenuti S, Ustun-Alkan F, Hamzeh-Mivehroud M, Dastmalchi S. Identification of a RON tyrosine kinase receptor binding peptide using phage display technique and computational modeling of its binding mode. J Mol Model 2017; 23:267. [DOI: 10.1007/s00894-017-3437-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/01/2017] [Indexed: 12/18/2022]
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Liu R, Li X, Xiao W, Lam KS. Tumor-targeting peptides from combinatorial libraries. Adv Drug Deliv Rev 2017; 110-111:13-37. [PMID: 27210583 DOI: 10.1016/j.addr.2016.05.009] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Revised: 05/10/2016] [Accepted: 05/11/2016] [Indexed: 02/07/2023]
Abstract
Cancer is one of the major and leading causes of death worldwide. Two of the greatest challenges in fighting cancer are early detection and effective treatments with no or minimum side effects. Widespread use of targeted therapies and molecular imaging in clinics requires high affinity, tumor-specific agents as effective targeting vehicles to deliver therapeutics and imaging probes to the primary or metastatic tumor sites. Combinatorial libraries such as phage-display and one-bead one-compound (OBOC) peptide libraries are powerful approaches in discovering tumor-targeting peptides. This review gives an overview of different combinatorial library technologies that have been used for the discovery of tumor-targeting peptides. Examples of tumor-targeting peptides identified from each combinatorial library method will be discussed. Published tumor-targeting peptide ligands and their applications will also be summarized by the combinatorial library methods and their corresponding binding receptors.
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Affiliation(s)
- Ruiwu Liu
- Department of Biochemistry and Molecular Medicine, University of California Davis, Sacramento, CA 95817, USA; University of California Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA
| | - Xiaocen Li
- Department of Biochemistry and Molecular Medicine, University of California Davis, Sacramento, CA 95817, USA; University of California Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA
| | - Wenwu Xiao
- Department of Biochemistry and Molecular Medicine, University of California Davis, Sacramento, CA 95817, USA; University of California Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA
| | - Kit S Lam
- Department of Biochemistry and Molecular Medicine, University of California Davis, Sacramento, CA 95817, USA; University of California Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA; Division of Hematology & Oncology, Department of Internal Medicine, University of California Davis, Sacramento, CA 95817, USA
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17
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Hamzeh-Mivehroud M, Sokouti B, Dastmalchi S. Molecular Docking at a Glance. Oncology 2017. [DOI: 10.4018/978-1-5225-0549-5.ch030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The current chapter introduces different aspects of molecular docking technique in order to give an overview to the readers about the topics which will be dealt with throughout this volume. Like many other fields of science, molecular docking studies has experienced a lagging period of slow and steady increase in terms of acquiring attention of scientific community as well as its frequency of application, followed by a pronounced era of exponential expansion in theory, methodology, areas of application and performance due to developments in related technologies such as computational resources and theoretical as well as experimental biophysical methods. In the following sections the evolution of molecular docking will be reviewed and its different components including methods, search algorithms, scoring functions, validation of the methods, and area of applications plus few case studies will be touched briefly.
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Affiliation(s)
| | | | - Siavoush Dastmalchi
- Biotechnology Research Center, Tabriz University of Medical Sciences, Iran & School of Pharmacy, Tabriz University of Medical Sciences, Iran
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Qi L, Liu Y, Tao H, Xiao N, Li J, Kong L, Hou L. Screening a Phage Display Library for Two Novel OmpU-Binding Peptides with Adhesion Antagonistic Activity against Vibrio mimicus. PLoS One 2016; 11:e0165092. [PMID: 27832083 PMCID: PMC5104426 DOI: 10.1371/journal.pone.0165092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 08/08/2016] [Indexed: 01/11/2023] Open
Abstract
Vibrio mimicus is a pathogen that causes ascites disease in fish. We have previously demonstrated that the outer membrane protein U (OmpU) is an important adhesin in V. mimicus. Here eight specific OmpU-binding phage clones, which presented three different OmpU-binding peptides (designated P1, P2, P3), were screened from a commercially available phage displayed 12-mer peptide library using rOmpU protein as target. Then, synthetic OmpU-binding peptides were measured for their adhesion antagonistic activity and binding affinity via adhesion inhibition test and non-competitive ELISA, respectively. The results showed that after co-incubated with the mixture of rOmpU and P3, visible green fluorescence could be observed on the epithelioma papulosum cyprinidi (EPC) cells surface; while the EPC cells co-incubated with the mixture of rOmpU and P1/P2 exhibited little green fluorescence. The average adhesion number of V. mimicus 04–14 isolate before and after treatment with peptide was 21.4 ± 1.5, 20.8 ± 0.8 (irrelevant peptide), 20.2 ± 0.5 (P3), 5.1 ± 0.7 (P1) and 3.4 ± 0.8 (P2), respectively. There was a significant decrease in the adhesive level of 04–14 isolate treated with P1/ P2 compared to the untreated isolate (p<0.01). The affinity constants of P1 and P2 were (6.17 ± 0.19) × 108 L/mol and (1.24 ± 0.56) × 109 L/mol, respectively. Furthermore, protective effects of P1 and P2 on grass carps challenged with V. mimicus were preliminary detected. It was found there was delayed death of fish in the groups treated with P1/P2, and the survival rate of challenged fish improved with the increase of the dose of adhesion antagonistic peptide. Taken together, two novel OmpU-binding peptides, which possessed adhesion antagonistic activity, high affinity and a certain degree of antibacterial activity against V. mimicus, were screened and identified.
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Affiliation(s)
- Lifang Qi
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Yan Liu
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Huizhu Tao
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Ning Xiao
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Jinnian Li
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
- * E-mail:
| | - Lingyan Kong
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Liting Hou
- Key Laboratory of Zoonoses, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
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Strategies of targeting the extracellular domain of RON tyrosine kinase receptor for cancer therapy and drug delivery. J Cancer Res Clin Oncol 2016; 142:2429-2446. [PMID: 27503093 DOI: 10.1007/s00432-016-2214-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 08/01/2016] [Indexed: 01/22/2023]
Abstract
PURPOSE Cancer is one of the most important life-threatening diseases in the world. The current efforts to combat cancer are being focused on molecular-targeted therapies. The main purpose of such approaches is based on targeting cancer cell-specific molecules to minimize toxicity for the normal cells. RON (Recepteur d'Origine Nantais) tyrosine kinase receptor is one of the promising targets in cancer-targeted therapy and drug delivery. METHODS In this review, we will summarize the available agents against extracellular domain of RON with potential antitumor activities. RESULTS The presented antibodies and antibody drug conjugates against RON in this review showed wide spectrum of in vitro and in vivo antitumor activities promising the hope for them entering the clinical trials. CONCLUSION Due to critical role of extracellular domain of RON in receptor activation, the development of therapeutic agents against this region could lead to fruitful outcome in cancer therapy.
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20
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Identifying key interactions stabilizing DOF zinc finger-DNA complexes using in silico approaches. J Theor Biol 2015; 382:150-9. [PMID: 26092376 DOI: 10.1016/j.jtbi.2015.06.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 05/09/2015] [Accepted: 06/06/2015] [Indexed: 11/21/2022]
Abstract
DOF (DNA-binding with one finger) proteins, a family of DNA-binding transcription factors, are members of zinc fingers unique to plants. They are associated with different plant specific phenomena including germination, dormancy, light and defense responses. Until now, there is no report of experimentally solved structure for DOF proteins, making empirical investigation of DOF-DNA interaction more challenging. It has been shown that comparative modeling can be used to reliably predict the three-dimensional (3D) model of structurally unknown proteins whenever a suitable template is available. Furthermore, current molecular mechanics force fields allow prediction of interaction energies for macromolecular complexes. Therefore, the approaches considered in this work were to model the 3D structures of DOF zinc fingers (ZFs) from Arabidopsis thaliana complexed with DNA molecule, to calculate their binding energies, to identify key interactions established between ZFs and DNA, and to determine the impact of the different interactions on the binding energies. The results were used to predict the binding affinities for the novel designed ZFs and may be used in engineering DNA binding proteins.
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21
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Ma C, Li C, Jiang D, Gao X, Han J, Xu N, Wu Q, Nie G, Chen W, Lin F, Hou Y. Screening of a specific peptide binding to esophageal squamous carcinoma cells from phage displayed peptide library. Mol Cell Probes 2015; 29:182-9. [PMID: 25886968 DOI: 10.1016/j.mcp.2015.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 04/04/2015] [Accepted: 04/06/2015] [Indexed: 01/22/2023]
Abstract
To select a specifically binding peptide for imaging detection of human esophageal squamous cell carcinoma (ESCC), a phage-displayed 12-mer peptide library was used to screen the peptide that bind to ESCC cells specifically. After four rounds of bio-panning, the phage recovery rate gradually increased, and specific phage clones were effectively enriched. The 60 randomly selected phage clones were tested using cellular enzyme-linked immunosorbent assay (ELISA), and 41 phage clones were identified as positive clones with the over 2.10 ratio of absorbance higher than other clones, IRP and PBS controls. From the sequencing results of the positive clones, 14 peptide sequences were obtained and ESCP9 consensus sequence was identified as the peptide with best affinity to ESCC cells via competitive inhibition, fluorescence microscopy, and flow cytometry. The results indicate that the peptide ESCP9 can bind to ESCC cells specifically and sensitively, and it is a potential candidate to be developed as an useful molecule to the imaging detection and targeting therapy for ESCC.
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Affiliation(s)
- Caixia Ma
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Chunyan Li
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | | | - Xiaojie Gao
- College of Life and Geography Science, Qinghai Normal University, Xining, Qinghai 810008, China
| | - Juanjuan Han
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Nan Xu
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Qiong Wu
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Guochao Nie
- Center of Medical Nanomaterial, Yulin Normal College, Yulin, Guangxi 537000, China
| | - Wei Chen
- Department of Physics and the SAVANT Center, The University of Texas at Arlington, Arlington, TX 76019, USA
| | - Fenghuei Lin
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
| | - Yingchun Hou
- Co-Innovation Center for Qinba Region's Sustainable Development, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
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22
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Lv PC, Zhu HL. EGFR-binding peptide: a patent evaluation of WO2014002836. Expert Opin Ther Pat 2014; 24:1409-11. [PMID: 25407285 DOI: 10.1517/13543776.2014.964686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Peptide ligands have many desirable features enabling them to act as drug molecules and are valuable in the drug discovery processes because of their fewer side effects and great potential to cure diseases. In this patent, three kinds of peptide ligands with 12-50 amino acid residues were identified by phase display technology. Some of them not only could be used as potential therapeutic agents for the treatment of EGFR-overexpressed cancers, but also show promising application in detecting cancer tissue or cancer cells that express the EGFR.
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Affiliation(s)
- Peng-Cheng Lv
- Nanjing University, State Key Laboratory of Pharmaceutical Biotechnology , Nanjing 210093 , People's Republic of China +86 25 8359 2672 ; +86 25 8359 2672 ; ;
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Zhang ZF, Shan X, Wang YX, Wang W, Feng SY, Cui YB. Screening and selection of peptides specific for esophageal cancer cells from a phage display peptide library. J Cardiothorac Surg 2014; 9:76. [PMID: 24779651 PMCID: PMC4018990 DOI: 10.1186/1749-8090-9-76] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 04/24/2014] [Indexed: 01/11/2023] Open
Abstract
Background Esophageal cancer is a common malignant tumor of the gastrointestinal tract and is typically diagnosed at an advanced stage due to the absence of early clinical symptoms. Although surgery, chemotherapy, and radiotherapy represent the major treatment methods employed for this cancer, the prognosis of esophageal cancer remains poor. Methods A Ph.D.-12TM Phage Display Peptide Library was screened using an esophageal cancer cell line, Eca109, and a normal esophageal epithelial cell line to identify novel ligands that selectively bind the surface of esophageal cancer cells with high affinity. Results Two polypeptides were isolated that exhibited higher binding affinities and specificity for the Eca109 cells. These peptides were further validated using enzyme-linked immunosorbent assays (ELISAs), immunofluorescence assays, and immunohistochemistry assays. Conclusion Two polypeptides with high binding affinities to esophageal cancer cells were isolated from the Ph.D.-12TM Phage Display Peptide Library. Further studies are needed to characterize the biological effects of these polypeptides and to explore the potential for these peptides to be used for the early screening of esophageal cancer or for cell-targeted therapies that would reduce the toxic side effects of cancer treatment.
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Affiliation(s)
| | | | | | | | | | - You-Bin Cui
- Department of Thoracic Surgery, The First Hospital of Jilin University, 71 Xinmin Street, 130021 Changchun, China.
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Hamzeh-Mivehroud M, Alizadeh AA, Morris MB, Church WB, Dastmalchi S. Phage display as a technology delivering on the promise of peptide drug discovery. Drug Discov Today 2013; 18:1144-57. [PMID: 24051398 DOI: 10.1016/j.drudis.2013.09.001] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 08/29/2013] [Accepted: 09/09/2013] [Indexed: 01/24/2023]
Abstract
Phage display represents an important approach in the development pipeline for producing peptides and peptidomimetics therapeutics. Using randomly generated DNA sequences and molecular biology techniques, large diverse peptide libraries can be displayed on the phage surface. The phage library can be incubated with a target of interest and the phage which bind can be isolated and sequenced to reveal the displayed peptides' primary structure. In this review, we focus on the 'mechanics' of the phage display process, whilst highlighting many diverse and subtle ways it has been used to further the drug-development process, including the potential for the phage particle itself to be used as a drug carrier targeted to a particular pathogen or cell type in the body.
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Affiliation(s)
- Maryam Hamzeh-Mivehroud
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Screening of a specific peptide binding to VPAC1 receptor from a phage display peptide library. PLoS One 2013; 8:e54264. [PMID: 23365656 PMCID: PMC3554773 DOI: 10.1371/journal.pone.0054264] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2012] [Accepted: 12/10/2012] [Indexed: 12/13/2022] Open
Abstract
Background/Purpose The VPAC1 receptor, a member of the vasoactive intestinal peptide receptors (VIPRs), is overexpressed in the most frequently occurring malignant tumors and plays a major role in the progression and angiogenesis of a number of malignancies. Recently, phage display has become widely used for many applications, including ligand generation for targeted imaging, drug delivery and therapy. In this work, we developed a panning procedure using a phage display peptide library to select a peptide that specifically binds to the VPAC1 receptor to develop a novel targeted probe for molecular imaging and therapy. Methods CHO-K1 cells stably expressing VPAC1 receptors (CHO-K1/VPAC1 cells) were used to select a VPAC1-binding peptide from a 12-mer phage peptide library. DNA sequencing and homologous analysis of the randomly selected phage clones were performed. A cellular ELISA was used to determine the most selectively binding peptide for further investigation. Binding specificity to the VPAC1 receptor was analyzed by competitive inhibition ELISA and flow cytometry. The binding ability of the selected peptide to CHO-K1/VPAC1 cells and colorectal cancer (CRC) cell lines was confirmed using fluorescence microscopy and flow cytometry. Results A significant enrichment of phages that specifically bound to CHO-K1/VPAC1 cells was obtained after four rounds of panning. Of the selected phage clones, 16 out of 60 shared the same peptide sequence, GFRFGALHEYNS, which we termed the VP2 peptide. VP2 and vasoactive intestinal peptide (VIP) competitively bound to the VPAC1 receptor. More importantly, we confirmed that VP2 specifically bound to CHO-K1/VPAC1 cells and several CRC cell lines. Conclusion Our results demonstrate that the VP2 peptide could specifically bind to VPAC1 receptor and several CRC cell lines. And VP2 peptide may be a potential candidate to be developed as a useful diagnostic molecular imaging probe for early detection of CRC.
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