1
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Sahsuvar S, Guner R, Gok O, Can O. Development and pharmaceutical investigation of novel cervical cancer-targeting and redox-responsive melittin conjugates. Sci Rep 2023; 13:18225. [PMID: 37880286 PMCID: PMC10600185 DOI: 10.1038/s41598-023-45537-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023] Open
Abstract
Cervical cancer has recently become one of the most prevalent cancers among women throughout the world. Traditional cancer therapies generate side effects due to off-target toxicity. Thus, novel cancer medications coupled with suitable drug delivery systems are required to improve cancer therapies. Melittin peptide has a high affinity to disrupt cancer cells. In this study, we designed targeted and redox-responsive Melittin conjugates for cervical cancer and then tested them in vitro. Folic acid and squamous cell carcinoma-specific peptide (CKQNLAEG) were used as targeting agents to design various conjugates. Our findings indicate that both anticancer conjugates were effective against different cancer cell lines, including MCF-7, C33A, and HeLa. Moreover, these conjugates were found to have antioxidant and antibacterial effects as well as reduced hemolytic activity. The CM-Target (N-terminus cysteine modified-Melittin-targeting peptide-functionalized conjugate) has become more stable and acted specifically against squamous cell carcinoma, whereas folic acid (FA)-containing conjugates acted efficiently against all cancer types studied, especially for breast cancer. According to our results, these anticancer conjugates may be possible anticancer drug candidates that have fewer adverse effects.
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Affiliation(s)
- Seray Sahsuvar
- Department of Medical Biotechnology, Institute of Health Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Rabia Guner
- Department of Biomedical Engineering, Graduate School of Natural and Applied Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Ozgul Gok
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Acibadem Mehmet Ali Aydinlar University, Icerenkoy, Kayisdagi Cd., Atasehir, 34752, Istanbul, Turkey.
| | - Ozge Can
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Acibadem Mehmet Ali Aydinlar University, Icerenkoy, Kayisdagi Cd., Atasehir, 34752, Istanbul, Turkey.
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2
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A Novel Fibromodulin Antagonist Peptide RP4 Exerts Antitumor Effects on Colorectal Cancer. Pharmaceutics 2023; 15:pharmaceutics15030944. [PMID: 36986805 PMCID: PMC10053243 DOI: 10.3390/pharmaceutics15030944] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/04/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023] Open
Abstract
Colorectal cancer (CRC) is the leading cause of cancer-related deaths worldwide. Fibromodulin (FMOD) is the main proteoglycan that contributes to extracellular matrix (ECM) remodeling by binding to matrix molecules, thereby playing an essential role in tumor growth and metastasis. There are still no useful drugs that target FMOD for CRC treatment in clinics. Here, we first used public whole-genome expression datasets to analyze the expression level of FMOD in CRC and found that FMOD was upregulated in CRC and associated with poor patient prognosis. We then used the Ph.D.-12 phage display peptide library to obtain a novel FMOD antagonist peptide, named RP4, and tested its anti-cancer effects of RP4 in vitro and in vivo. These results showed that RP4 inhibited CRC cell growth and metastasis, and promoted apoptosis both in vitro and in vivo by binding to FMOD. In addition, RP4 treatment affected the CRC-associated immune microenvironment in a tumor model by promoting cytotoxic CD8+ T and NKT (natural killer T) cells and inhibiting CD25+ Foxp3+ Treg cells. Mechanistically, RP4 exerted anti-tumor effects by blocking the Akt and Wnt/β-catenin signaling pathways. This study implies that FMOD is a potential target for CRC treatment, and the novel FMOD antagonist peptide RP4 can be developed as a clinical drug for CRC treatment.
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Sloth AB, Bakhshinejad B, Jensen M, Stavnsbjerg C, Liisberg MB, Rossing M, Kjaer A. Analysis of Compositional Bias in a Commercial Phage Display Peptide Library by Next-Generation Sequencing. Viruses 2022; 14:v14112402. [PMID: 36366500 PMCID: PMC9697088 DOI: 10.3390/v14112402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 01/31/2023] Open
Abstract
The principal presumption of phage display biopanning is that the naïve library contains an unbiased repertoire of peptides, and thus, the enriched variants derive from the affinity selection of an entirely random peptide pool. In the current study, we utilized deep sequencing to characterize the widely used Ph.DTM-12 phage display peptide library (New England Biolabs). The next-generation sequencing (NGS) data indicated the presence of stop codons and a high abundance of wild-type clones in the naïve library, which collectively result in a reduced effective size of the library. The analysis of the DNA sequence logo and global and position-specific frequency of amino acids demonstrated significant bias in the nucleotide and amino acid composition of the library inserts. Principal component analysis (PCA) uncovered the existence of four distinct clusters in the naïve library and the investigation of peptide frequency distribution revealed a broad range of unequal abundances for peptides. Taken together, our data provide strong evidence for the notion that the naïve library represents substantial departures from randomness at the nucleotide, amino acid, and peptide levels, though not undergoing any selective pressure for target binding. This non-uniform sequence representation arises from both the M13 phage biology and technical errors of the library construction. Our findings highlight the paramount importance of the qualitative assessment of the naïve phage display libraries prior to biopanning.
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Affiliation(s)
- Ane Beth Sloth
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Babak Bakhshinejad
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Malte Jensen
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Camilla Stavnsbjerg
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Mikkel Baldtzer Liisberg
- Nano-Science Center, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
| | - Maria Rossing
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Andreas Kjaer
- Department of Clinical Physiology and Nuclear Medicine & Cluster for Molecular Imaging, Copenhagen University Hospital—Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Correspondence:
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Kamara S, Guo Y, Mao S, Ye X, Li Q, Zheng M, Zhu J, Zhang J, Du W, Chen J, Zhu S, Zhang L. Novel EBV LMP1 C-terminal domain binding affibody molecules as potential agents for in vivo molecular imaging diagnosis of nasopharyngeal carcinoma. Appl Microbiol Biotechnol 2021; 105:7283-7293. [PMID: 34505914 DOI: 10.1007/s00253-021-11559-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
Nasopharyngeal carcinoma (NPC) is consistently associated with Epstein-Barr virus (EBV) latent infection and is common in Southern China and Southeast Asia. The viral latent membrane proteins LMP1 and LMP2 are persistently expressed in NPC tissues; the cytoplasmic domain of LMP1 (LMP1 C-terminal) and LMP2A (LMP2A N-terminal) proteins is essential for maintenance of latency and can alter host cell signaling to facilitate tumor growth and progression. Thus, targeting LMP1 or LMP2 oncoprotein has been an increasing interest for diagnosis and targeted therapy of NPC. Affibody molecules, a new class of small-affinity engineered scaffold proteins, have demonstrated high potential for therapeutics, diagnostics, and biotechnological applications. More recently, radiolabelled HER2-specific affibody molecules have demonstrated to be useful in imaging of HER2 expressing tumor. In this study, we report three novel EBV LMP1 C-terminal (EBV LMP1-C) domain affibody molecules (ZLMP1-C15, ZLMP1-C114, and ZLMP1-C277) were selected by biopanning from a random-peptide displayed phage library and used for molecular imaging in tumor-bearing nude mice. Surface plasmon resonance (SPR), indirect immunofluorescence, and immunohistochemistry (IHC) clearly showed that all three selected affibody molecules have high affinity and specificity in binding to EBV LMP1 protein. Moreover, in vivo tumor imaging revealed that Dylight-755-labeled affibody molecules accumulated rapidly in tumor site after injection (1 h) and then were continuously maintained for 24 h in EBV-positive NPC xenograft mice model. In conclusion, our findings highlight the potential use of ZLMP1-C affibody molecules as tumor-specific molecular imaging agents of EBV-associated NPC.Key points• We screened three novel affibody molecules (ZLMP1-C15, ZLMP1-C114, and ZLMP1-C277) targeting EBV LMP1-C terminal domain• ZLMP1-C recognize the recombinant and native LMP1-C with high affinity and specificity• ZLMP1-C can be used for molecular imaging.
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Affiliation(s)
- Saidu Kamara
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Yanru Guo
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Shanshan Mao
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Xiaoxian Ye
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Qingfeng Li
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Maolin Zheng
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Jinshun Zhu
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Jing Zhang
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Wangqi Du
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Jun Chen
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Shanli Zhu
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China
| | - Lifang Zhang
- Institute of Molecular Virology and Immunology, Department of Microbiology and Immunology, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China.
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Qi H, Ma M, Lai D, Tao SC. Phage display: an ideal platform for coupling protein to nucleic acid. Acta Biochim Biophys Sin (Shanghai) 2021; 53:389-399. [PMID: 33537750 DOI: 10.1093/abbs/gmab006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Indexed: 01/07/2023] Open
Abstract
Display technology, especially phage display technology, has been widely applied in many fields. The theoretical core of display technology is the physical linkage between the protein/peptide on the surface of a phage and the coding DNA sequence inside the same phage. Starting from phage-displayed peptide/protein/antibody libraries and taking advantage of the ever-growing power of next-generation sequencing (NGS) for DNA sequencing/decoding, rich protein-related information can easily be obtained in a high-throughput way. Based on this information, many scientific and clinical questions can be readily addressed. In the past few years, aided by the development of NGS, droplet technology, and massive oligonucleotide synthesis, we have witnessed and continue to witness large advances of phage display technology, in both technology development and application. The aim of this review is to summarize and discuss these recent advances.
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Affiliation(s)
- Huan Qi
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
| | - Mingliang Ma
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
| | - Danyun Lai
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
| | - Sheng-ce Tao
- Shanghai Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
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Gierlich P, Mata AI, Donohoe C, Brito RMM, Senge MO, Gomes-da-Silva LC. Ligand-Targeted Delivery of Photosensitizers for Cancer Treatment. Molecules 2020; 25:E5317. [PMID: 33202648 PMCID: PMC7698280 DOI: 10.3390/molecules25225317] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/26/2020] [Accepted: 11/06/2020] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a promising cancer treatment which involves a photosensitizer (PS), light at a specific wavelength for PS activation and oxygen, which combine to elicit cell death. While the illumination required to activate a PS imparts a certain amount of selectivity to PDT treatments, poor tumor accumulation and cell internalization are still inherent properties of most intravenously administered PSs. As a result, common consequences of PDT include skin photosensitivity. To overcome the mentioned issues, PSs may be tailored to specifically target overexpressed biomarkers of tumors. This active targeting can be achieved by direct conjugation of the PS to a ligand with enhanced affinity for a target overexpressed on cancer cells and/or other cells of the tumor microenvironment. Alternatively, PSs may be incorporated into ligand-targeted nanocarriers, which may also encompass multi-functionalities, including diagnosis and therapy. In this review, we highlight the major advances in active targeting of PSs, either by means of ligand-derived bioconjugates or by exploiting ligand-targeting nanocarriers.
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Affiliation(s)
- Piotr Gierlich
- CQC, Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3000-435 Coimbra, Portugal; (P.G.); (A.I.M.); (C.D.); (R.M.M.B.)
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James’s Hospital, D08W9RT Dublin, Ireland;
| | - Ana I. Mata
- CQC, Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3000-435 Coimbra, Portugal; (P.G.); (A.I.M.); (C.D.); (R.M.M.B.)
| | - Claire Donohoe
- CQC, Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3000-435 Coimbra, Portugal; (P.G.); (A.I.M.); (C.D.); (R.M.M.B.)
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James’s Hospital, D08W9RT Dublin, Ireland;
| | - Rui M. M. Brito
- CQC, Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3000-435 Coimbra, Portugal; (P.G.); (A.I.M.); (C.D.); (R.M.M.B.)
- BSIM Therapeutics, Instituto Pedro Nunes, 3030-199 Coimbra, Portugal
| | - Mathias O. Senge
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James’s Hospital, D08W9RT Dublin, Ireland;
| | - Lígia C. Gomes-da-Silva
- CQC, Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3000-435 Coimbra, Portugal; (P.G.); (A.I.M.); (C.D.); (R.M.M.B.)
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7
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Jin H, Gao X, Xiao L, He H, Cheng S, Zhang C, Hou Y, Song F, Su X, Gao Q, Lu Z, Yang R, Song X, Yang J, Duan W, Hou Y. Screening and identification of a specific peptide binding to breast cancer cells from a phage-displayed peptide library. Biotechnol Lett 2020; 43:153-164. [PMID: 33145670 DOI: 10.1007/s10529-020-03044-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 10/30/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Breast cancer is a popular fatal malignant tumor for women with high of rates incidence and mortality. Development of the new approaches for breast cancer targeted diagnosis and chemotherapy is emergently needed by the current clinical practice, the important first step is finding a breast cancer specifically binding molecule or fragment as early clinical indicators. RESULTS By a phage-displayed peptide library, a 12-mer peptide, CSB1 was screened out using MCF-7 cells as the target. The consequently results under immunofluorescence and laser scanning confocal microscope (LSCM) indicated that CSB1 bound MCF-7 cells and breast cancer tissues specifically and sensitively with high affinity. Bioinformatics analysis suggested that the peptide CSB1 targets the 5-Lipoxygenase-Activating Protein (FLAP), which has been implicated in breast cancer progression and prognosis. CONCLUSIONS The peptide, CSB1 is of the potential as a candidate to be used for developing the new approaches of molecular imaging detection and targeting chemotherapy of breast cancer in the future.
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Affiliation(s)
- Huijuan Jin
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Xiaojie Gao
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Li Xiao
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Huimin He
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Sinan Cheng
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Caixia Zhang
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Yifan Hou
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Fengying Song
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Xiaorong Su
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Qian Gao
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Zheng Lu
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Ruina Yang
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Xigui Song
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China
| | - Jin Yang
- The College of Life, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Wei Duan
- School of Medicine, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Yingchun Hou
- Laboratory of Tumor Molecular and Cellular Biology, College of Life Sciences, Shaanxi Normal University, 620 West Chang'an Avenue, Xi'an, 710119, Shaanxi, China.
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A Screened GPR1 Peptide Exerts Antitumor Effects on Triple-Negative Breast Cancer. MOLECULAR THERAPY-ONCOLYTICS 2020; 18:602-612. [PMID: 33005727 PMCID: PMC7508919 DOI: 10.1016/j.omto.2020.08.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 08/20/2020] [Indexed: 01/06/2023]
Abstract
The adipokine chemerin has been considered an important regulator of tumor immune surveillance. Chemerin recruits leukocytes through the receptor CMKLR1 to improve clinical outcomes of tumors and overall patient survival, but the role of GPR1 in tumors has not been widely investigated. Here, we found that GPR1 expression is elevated in breast cancer-especially triple-negative breast cancer (TNBC) tissues and cell lines. Herein, we screened a phage display peptide library to identify LRH7-G5, a peptide antagonist that blocks chemerin/GPR1 signaling. This peptide performed as an anticancer agent to suppress the proliferation of the TNBC cell lines MDA-MB-231 and HCC1937 but has little effect on T47D cells. LRH7-G5 treatment significantly blocked tumor growth in a TNBC cell-bearing orthotopic mouse model. Last, our results showed that this peptide's antitumor role is mediated through the PI3K/AKT signaling pathway. In conclusion, these data collectively suggest that the chemerin receptor GPR1 is a novel target for controlling TNBC progression and establish peptide LRH7-G5 as a new therapeutic agent for suppressing TNBC tumor growth.
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Davidson TA, McGoldrick SJ, Kohn DH. Phage Display to Augment Biomaterial Function. Int J Mol Sci 2020; 21:ijms21175994. [PMID: 32825391 PMCID: PMC7504225 DOI: 10.3390/ijms21175994] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022] Open
Abstract
Biomaterial design relies on controlling interactions between materials and their biological environments to modulate the functions of proteins, cells, and tissues. Phage display is a powerful tool that can be used to discover peptide sequences with high affinity for a desired target. When incorporated into biomaterial design, peptides identified via phage display can functionalize material surfaces to control the interaction between a biomaterial and its local microenvironment. A targeting peptide has high specificity for a given target, allowing for homing a specific protein, cell, tissue, or other material to a biomaterial. A functional peptide has an affinity for a given protein, cell, or tissue, but also modulates its target's activity upon binding. Biomaterials can be further enhanced using a combination of targeting and/or functional peptides to create dual-functional peptides for bridging two targets or modulating the behavior of a specific protein or cell. This review will examine current and future applications of phage display for the augmentation of biomaterials.
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Affiliation(s)
- Thomas A. Davidson
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
| | - Samantha J. McGoldrick
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
| | - David H. Kohn
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; (T.A.D.); (S.J.M.)
- Department of Biologic and Material Sciences, University of Michigan, Ann Arbor, MI 48109, USA
- Correspondence:
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10
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Chiangjong W, Chutipongtanate S, Hongeng S. Anticancer peptide: Physicochemical property, functional aspect and trend in clinical application (Review). Int J Oncol 2020; 57:678-696. [PMID: 32705178 PMCID: PMC7384845 DOI: 10.3892/ijo.2020.5099] [Citation(s) in RCA: 159] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/26/2020] [Indexed: 01/10/2023] Open
Abstract
Cancer is currently ineffectively treated using therapeutic drugs, and is also able to resist drug action, resulting in increased side effects following drug treatment. A novel therapeutic strategy against cancer cells is the use of anticancer peptides (ACPs). The physicochemical properties, amino acid composition and the addition of chemical groups on the ACP sequence influences their conformation, net charge and orientation of the secondary structure, leading to an effect on targeting specificity and ACP-cell interaction, as well as peptide penetrating capability, stability and efficacy. ACPs have been developed from both naturally occurring and modified peptides by substituting neutral or anionic amino acid residues with cationic amino acid residues, or by adding a chemical group. The modified peptides lead to an increase in the effectiveness of cancer therapy. Due to this effectiveness, ACPs have recently been improved to form drugs and vaccines, which have sequentially been evaluated in various phases of clinical trials. The development of the ACPs remains focused on generating newly modified ACPs for clinical application in order to decrease the incidence of new cancer cases and decrease the mortality rate. The present review could further facilitate the design of ACPs and increase efficacious ACP therapy in the near future.
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Affiliation(s)
- Wararat Chiangjong
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Suradej Hongeng
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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11
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Zou K, Yu H, Chen X, Ma Q, Hou L. Silencing long noncoding RNA OGFRP1 inhibits the proliferation and migration of cervical carcinoma cells. Cell Biochem Funct 2019; 37:591-597. [PMID: 31512281 DOI: 10.1002/cbf.3435] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 08/13/2019] [Accepted: 08/22/2019] [Indexed: 01/23/2023]
Abstract
Cervical cancer is still a serious threat to women's health and life safety worldwide, and new treatment strategies are urgently needed. Accumulating evidences also imply that long non-coding RNAs (lncRNAs) are involved in a wide range of cellular processes, such as cell proliferation, apoptosis, and cell cycle. We found that the expression of lncOGFRP1 in cervical cancer tissues was significantly higher than that in normal cervical tissues (P < .05). Further, CCK8 detection found when lncOGFRP1 was silenced, the proliferation of cells was inhibited. After depleting lncOGFRP1, the proportion of apoptosis cells in C33A (3.71 ± 0.38% VS 11.98 ± 1.26%, P < .05) and SiHa (0.69 ± 0.06% VS 11.06 ± 1.03%, P < .05) cells increased significantly, and cell cycle was arrested in S phase. On the other hand, migration detection found the migration of cells also was hindered when lncOGFRP1 level was reduced. And the depletion of lncOGFRP1 inhibited the expression of β-catenin, Vimentin, N-cadherin, and SNAIL and promoted the expression of E-cadherin. In summary, we first discovered the high expression of lncOGFRP1 in cervical cancer and revealed that silencing lncOGFRP1 inhibits the proliferation and migration of cervical carcinoma cells. SIGNIFICANCE OF THE STUDY: We first discovered the high expression of lncOGFRP1 in cervical cancer and revealed that silencing lncOGFRP1 inhibits the proliferation and migration of cervical carcinoma cells. These results help to better understand the pathogenesis and development of cervical cancer and provide insight to develop better diagnosis and treatment strategies.
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Affiliation(s)
- Kun Zou
- Jinan Central Hospital, Jinan, Shandong, China
| | - Haifeng Yu
- Jinan Central Hospital, Jinan, Shandong, China
| | - Xuehua Chen
- Jinan Central Hospital, Jinan, Shandong, China
| | - Qian Ma
- Qilu Hospital Affiliated to Shandong University, Jinan, Shandong, China
| | - Lifang Hou
- Jinan Central Hospital, Jinan, Shandong, China
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12
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Saw PE, Song EW. Phage display screening of therapeutic peptide for cancer targeting and therapy. Protein Cell 2019; 10:787-807. [PMID: 31140150 PMCID: PMC6834755 DOI: 10.1007/s13238-019-0639-7] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 04/21/2019] [Indexed: 12/14/2022] Open
Abstract
Recently, phage display technology has been announced as the recipient of Nobel Prize in Chemistry 2018. Phage display technique allows high affinity target-binding peptides to be selected from a complex mixture pool of billions of displayed peptides on phage in a combinatorial library and could be further enriched through the biopanning process; proving to be a powerful technique in the screening of peptide with high affinity and selectivity. In this review, we will first discuss the modifications in phage display techniques used to isolate various cancer-specific ligands by in situ, in vitro, in vivo, and ex vivo screening methods. We will then discuss prominent examples of solid tumor targeting-peptides; namely peptide targeting tumor vasculature, tumor microenvironment (TME) and over-expressed receptors on cancer cells identified through phage display screening. We will also discuss the current challenges and future outlook for targeting peptide-based therapeutics in the clinics.
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Affiliation(s)
- Phei Er Saw
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - Er-Wei Song
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China.
- Breast Tumor Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China.
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13
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Ferreira D, Silva AP, Nobrega FL, Martins IM, Barbosa-Matos C, Granja S, Martins SF, Baltazar F, Rodrigues LR. Rational Identification of a Colorectal Cancer Targeting Peptide through Phage Display. Sci Rep 2019; 9:3958. [PMID: 30850705 PMCID: PMC6408488 DOI: 10.1038/s41598-019-40562-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/19/2019] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer is frequently diagnosed at an advanced stage due to the absence of early clinical indicators. Hence, the identification of new targeting molecules is crucial for an early detection and development of targeted therapies. This study aimed to identify and characterize novel peptides specific for the colorectal cancer cell line RKO using a phage-displayed peptide library. After four rounds of selection plus a negative step with normal colorectal cells, CCD-841-CoN, there was an obvious phage enrichment that specifically bound to RKO cells. Cell-based enzyme-linked immunosorbent assay (ELISA) was performed to assess the most specific peptides leading to the selection of the peptide sequence CPKSNNGVC. Through fluorescence microscopy and cytometry, the synthetic peptide RKOpep was shown to specifically bind to RKO cells, as well as to other human colorectal cancer cells including Caco-2, HCT 116 and HCT-15, but not to the normal non-cancer cells. Moreover, it was shown that RKOpep specifically targeted human colorectal cancer cell tissues. A bioinformatics analysis suggested that the RKOpep targets the monocarboxylate transporter 1, which has been implicated in colorectal cancer progression and prognosis, proven through gene knockdown approaches and shown by immunocytochemistry co-localization studies. The peptide herein identified can be a potential candidate for targeted therapies for colorectal cancer.
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Affiliation(s)
- Débora Ferreira
- Centre of Biological Engineering, University of Minho (CEB), Campus de Gualtar, 4710-057, Braga, Portugal.,MIT-Portugal Program, Lisbon, Portugal
| | - Ana P Silva
- Centre of Biological Engineering, University of Minho (CEB), Campus de Gualtar, 4710-057, Braga, Portugal
| | - Franklin L Nobrega
- Centre of Biological Engineering, University of Minho (CEB), Campus de Gualtar, 4710-057, Braga, Portugal.,Department of Bionanoscience, Kavli Institute of Nanoscience, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, Netherlands
| | - Ivone M Martins
- Centre of Biological Engineering, University of Minho (CEB), Campus de Gualtar, 4710-057, Braga, Portugal
| | - Catarina Barbosa-Matos
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Sara Granja
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Sandra F Martins
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Surgery Department, Coloproctology Unit, Braga Hospital, Braga, Portugal
| | - Fátima Baltazar
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ligia R Rodrigues
- Centre of Biological Engineering, University of Minho (CEB), Campus de Gualtar, 4710-057, Braga, Portugal. .,MIT-Portugal Program, Lisbon, Portugal.
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14
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Membrane affinity and fluorescent labelling: comparative study of monolayer interaction, cellular uptake and cytotoxicity profile of carboxyfluorescein-conjugated cationic peptides. Amino Acids 2018; 50:1557-1571. [PMID: 30099595 DOI: 10.1007/s00726-018-2630-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/30/2018] [Indexed: 02/07/2023]
Abstract
Fluorescent labelling is a common approach to reveal the molecular details of cellular uptake, internalisation, transport, distribution processes in biological systems. The conjugation with a fluorescent moiety might affect relevant physico-chemical and in vitro transport properties of the bioactive component. A representative set of seven cationic peptides-including cell-penetrating peptides as well as antimicrobial peptides and synthetic derivatives-was selected for our comparative study. Membrane affinity of the peptides and their 5(6)-carboxyfluorescein (Cf) derivatives was determined quantitatively and compared applying Langmuir monolayer of zwitterionic (DPPC) and negatively charged (DPPC + DPPG) lipids as cell membrane models. The interaction with neutral lipid layer is mainly governed by the overall hydrophobicity of the molecule which is remarkably increased by Cf-conjugation for the most hydrophobic Magainin, Melittin and Transportan. A significantly enhanced membrane affinity was detected in negatively charged lipid model monolayer for all of the peptides since the combination of electrostatic and hydrophobic interaction is active in that case. The Cf-conjugation improved the penetration ability of Penetratin and Dhvar4 suggesting that both the highly charged character (Z/n) and the increased hydrophobicity by Cf-conjugation present important contribution to membrane interaction. This effect might also responsible for the observed high in vitro internalisation rate of Penetratin and Dhvar4, while according to in vitro studies they did not cause damage of cell membrane. From the experiments with the given seven cationic peptides, it can be concluded that the Cf-conjugation alters the degree of membrane interaction of such peptides which are moderately hydrophobic and highly charged.
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