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Potez M, Snedal S, She C, Kim J, Thorner K, Tran TH, Ramello MC, Abate-Daga D, Liu JKC. Use of phage display biopanning as a tool to design CAR-T cells against glioma stem cells. Front Oncol 2023; 13:1124272. [PMID: 37035164 PMCID: PMC10080078 DOI: 10.3389/fonc.2023.1124272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/21/2023] [Indexed: 04/11/2023] Open
Abstract
Background Glioblastoma (GBM) is both the most common and aggressive type of primary brain tumor, associated with high mortality rates and resistance to conventional therapy. Despite recent advancements in knowledge and molecular profiling, recurrence of GBM is nearly inevitable. This recurrence has been attributed to the presence of glioma stem cells (GSCs), a small fraction of cells resistant to standard-of-care treatments and capable of self-renewal and tumor initiation. Therefore, targeting these cancer stem cells will allow for the development of more effective therapeutic strategies against GBM. We have previously identified several 7-amino acid length peptides which specifically target GSCs through in vitro and in vivo phage display biopanning. Methods and results We have combined two of these peptides to create a dual peptide construct (EV), and demonstrated its ability to bind GSCs in vitro and target intracranial GBM in mouse models. A peptide pull-down performed with peptide EV followed by mass spectrometry determined N-cadherin as the binding partner of the peptide, which was validated by enzyme-linked immunosorbent assay and surface plasmon resonance. To develop cytotoxic cellular products aimed at specifically targeting GSCs, chimeric antigen receptors (CARs) were engineered containing the peptide EV in place of the single-chain variable fragment (scFv) as the antigen-binding domain. EV CAR-transduced T cells demonstrated specific reactivity towards GSCs by production of interferon-gamma when exposed to GSCs, in addition to the induction of GSC-specific apoptosis as illustrated by Annexin-V staining. Conclusion These results exemplify the use of phage display biopanning for the isolation of GSC-targeting peptides, and their potential application in the development of novel cytotoxic therapies for GBM.
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Affiliation(s)
- Marine Potez
- Neurosurgical Oncology, Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Sebastian Snedal
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Chunhua She
- Neurosurgical Oncology, Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Jongmyung Kim
- Neurosurgical Oncology, Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Konrad Thorner
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Timothy H. Tran
- Chemical Biology Core, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Maria Cecilia Ramello
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
| | - Daniel Abate-Daga
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
- Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - James K. C. Liu
- Neurosurgical Oncology, Department of Neuro-Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, United States
- Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
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Yang X, Li Y, Zhu Z, Huang X, Wang T, Yuan J, Li J. Identification of a peptide that crosses the blood-cerebrospinal fluid barrier by phage display technology. Amino Acids 2021; 53:1181-1186. [PMID: 34185171 DOI: 10.1007/s00726-021-03016-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 06/03/2021] [Indexed: 12/01/2022]
Abstract
Treatments of brain diseases are heavily limited by the existence of the blood-brain barrier (BBB), which precludes efficient drug delivery to the brain. Compared with the BBB, drugs may have a better likelihood of reaching the brain via the cerebrospinal fluid (CSF) because of the lack of a barrier between the CSF and the brain. In this study, phage display technology was effectively applied to screen novel peptides as targeting motifs to transport drugs across the blood-cerebrospinal fluid barrier (BCSFB). We applied a phage seven-mer cyclic peptide library (Ph.D.-C7C™) intravenously to rats and later recovered phages from the CSF. After several rounds of screening, the candidate phages that could cross the BCSFB were enriched. Several bacteriophage clones from the final round were randomly selected and sequenced. A peptide sequence denoted as PMK, which was demonstrated to be able to cross the BCSFB via in vivo optical imaging analysis, could be used in the future for the construction of targeted drug delivery systems.
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Affiliation(s)
- Xi Yang
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Yongjie Li
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Zhanzhan Zhu
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Xufang Huang
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Tianlong Wang
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Jinjin Yuan
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China
| | - Jingwei Li
- College of Pharmacy (School of Pharmacy), Dali University, Xueren Rd, Dali, 671000, People's Republic of China. .,Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, 671000, People's Republic of China. .,National-Local Joint Engineering Research Center of Entomoceutics, Dali, 671000, People's Republic of China.
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3
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Ahmadi A, Ayyadevara VSSA, Baudry J, Roh KH. Calcium signaling on Jurkat T cells induced by microbeads coated with novel peptide ligands specific to human CD3ε. J Mater Chem B 2021; 9:1661-1675. [PMID: 33481966 DOI: 10.1039/d0tb02235g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
CD3ε is expressed on T lymphocytes as a part of the T cell receptor (TCR)-CD3 complex. Together with other CD3 molecules, CD3ε is responsible for the activation of T cells via transducing the event of antigen recognition by the TCR into intracellular signaling cascades. The present study first aims to identify a novel peptide ligand that binds to human CD3ε in a specific manner and to perform an initial evaluation of its biological efficacy on the human T cell line, Jurkat cells. We screened a phage-display peptide library against human CD3ε using a subtractive biopanning process, from which we identified 13 phage clones displaying unique peptide sequences. One dominant phage clone displaying the 7 amino acid sequence of WSLGYTG, which occupied 90% of tested plaques (18 out of 20) after the 5th round of biopanning, demonstrated a superior binding behavior to other clones in the binding assays against recombinant CD3ε on microbeads or Jurkat cells. The synthesized peptide also showed specific binding to Jurkat cells in a dose-dependent manner but not to B cell lymphoma line, 2PK3 cells. Molecular modeling and docking simulation confirmed that the selected peptide ligand in an energetically stable conformation binds to a pocket of CD3ε that is not hidden by either CD3γ or CD3δ. Lastly, magnetic microbeads conjugated with the synthesized peptide ligands showed a weak but specific association with Jurkat cells and induced the calcium flux, a hallmark indication of proximal T cell receptor signaling, which gave rise to an enhancement of IL-2 section and cell proliferation. The novel peptide ligand and its various multivalent forms have a great potential in applications related to T cell biology and T cell immunotherapy.
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Affiliation(s)
- Armin Ahmadi
- Department of Chemical & Materials Engineering, University of Alabama in Huntsville, 301 Sparkman Drive NW, Huntsville, AL 35899, USA.
| | - V S S Abhinav Ayyadevara
- Biotechnology Science and Engineering, University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - Jerome Baudry
- Biotechnology Science and Engineering, University of Alabama in Huntsville, Huntsville, AL 35899, USA and Department of Biological Sciences, University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - Kyung-Ho Roh
- Department of Chemical & Materials Engineering, University of Alabama in Huntsville, 301 Sparkman Drive NW, Huntsville, AL 35899, USA. and Biotechnology Science and Engineering, University of Alabama in Huntsville, Huntsville, AL 35899, USA
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4
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Liu W, Tang Y, Ma H, Li F, Hu Y, Yang Y, Yang J, Liao J, Liu N. Astatine-211 labelled a small molecule peptide: specific cell killing in vitro and targeted therapy in a nude-mouse model. RADIOCHIM ACTA 2020. [DOI: 10.1515/ract-2020-0016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Extensive interest in the development of α-emitting radionuclides astatine-211 (211At) stems from the potential superiority for the treatment of smaller tumors, disseminated disease, and metastatic disease. VP2, a small molecule fusion peptide, can specifically bind to the VPAC1 receptor which is over-expressed in malignant epithelial tumors. In our recent study, we performed the preparation of 211At labelled VP2 through a one-step method. In this work, we explored the targeted radionuclide therapy with [211At]At-SPC-VP2 in vitro and in vivo. The cytotoxicity and specific cell killing of [211At]At-SPC-VP2 were evaluated using the CCK-8 assay. Compared with the [211At]NaAt, the VPAC1-targeted radionuclide compound [211At]At-SPC-VP2 showed more effective cytotoxicity in vitro. Targeted radioactive therapy trial was carried out in non-small-cell lung cancer (NSCLC) xenograft mice. For the therapy experiment, 4 groups of mice were injected via the tail vein with 370 kBq, 550 kBq, 740 kBq, 3 × ∼246 kBq of [211At]At-SPC-VP2, of which the second and third injections were given 4 and 8 days after the first injection, respectively. As controls, animals were treated with saline or 550 kBq [211At]NaAt. The body weight and tumor size of mice were monitored before the administration and every 2 days thereafter. Cytotoxic radiation of partial tissue samples such as kidneys, liver and stomach of mice were assessed by immunohistochemical examination. The tumor growth was inhibited and significantly improved survival was achieved in mice treated with [211At]At-SPC-VP2, two-fold prolongation of survival compared with the control group, which received normal saline or 550 kBq [211At]NaAt. No renal or hepatic toxicity was observed in the mice receiving [211At]At-SPC-VP2, but gastric pathological sections showed 211At uptake in stomach resulting in later toxicity, highlighting the importance of further enhancing the stability of labelled compounds.
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Affiliation(s)
- Weihao Liu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yu Tang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Huan Ma
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Feize Li
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yingjiang Hu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yuanyou Yang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Jijun Yang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Jiali Liao
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Ning Liu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
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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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6
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Liu W, Ma H, Tang Y, Chen Q, Peng S, Yang J, Liao J, Yang Y, Li Q, Liu N. One-step labelling of a novel small-molecule peptide with astatine-211: preliminary evaluation in vitro and in vivo. J Radioanal Nucl Chem 2018. [DOI: 10.1007/s10967-018-5780-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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7
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Hu Y, Ma A, Lin S, Yang Y, Hong G. Novel peptide screened from a phage display library antagonizes the activity of CC chemokine receptor 9. Oncol Lett 2017; 14:6471-6476. [PMID: 29163684 PMCID: PMC5686441 DOI: 10.3892/ol.2017.7065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 08/08/2017] [Indexed: 11/29/2022] Open
Abstract
CC chemokine receptor 9 (CCR9) serves a role in the drug resistance and metastasis of tumors. In the present study, a peptide specifically bound to CCR9 was obtained and the effect on tumor cells was observed. A Ph.D.-12 phage display peptide library was used to screen for peptides binding specifically to the second extracellular loop of CCR9. The ratios of the input and output of phage clones increased gradually following three rounds of biopanning. A total of 8 positive phage clones were identified from DNA analysis. A phage clone, C-4, was identified which exhibited higher affinity and specificity for the second extracellular loop of CCR9 in vitro compared with other clones. A peptide (P1; VHWDFRQWWQPS) was identified which may inhibit the corresponding phage, C-4, binding to the second extracellular loop of CCR9. Furthermore, P1 was able to bind specifically with MOLT4 cells which exhibit marked expression of CCR9. In addition, P1 promoted the apoptosis of MOLT4 cells induced by doxorubicin, and inhibited the migration of MOLT4 cells in the presence of chemokine (C-C motif) ligand 25. It was suggested that decreased activity in the phosphorylation of protein kinase B in MOLT4 cells may be responsible for the inhibition. In conclusion, the peptide P1 derived from a screened phage is able to specifically bind to CCR9 and inhibit the activity of CCR9. It has potential use as an antagonist in the treatment of CCR9-overexpressed carcinoma.
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Affiliation(s)
- Yi Hu
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, P.R. China
| | - Aiping Ma
- Department of Respiratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, P.R. China
| | - Shan Lin
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, P.R. China
| | - Yang Yang
- College of Food and Biological Engineering, Jimei University, Xiamen, Fujian 361021, P.R. China
| | - Guolin Hong
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, P.R. China
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8
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Li C, Gao N, Xue Q, Ma N, Hu Y, Zhang J, Chen B, Hou Y. Screening and identification of a specific peptide binding to cervical cancer cells from a phage-displayed peptide library. Biotechnol Lett 2017. [DOI: 10.1007/s10529-017-2381-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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9
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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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10
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The further characterization of the peptide specifically binding to gastric cancer. Mol Cell Probes 2016; 30:125-31. [PMID: 26808386 DOI: 10.1016/j.mcp.2016.01.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 01/21/2016] [Indexed: 12/28/2022]
Abstract
Targeting peptide has been considered to be useful as a small molecule probe leading to multifunctional properties for both imaging detection and targeting therapy. Thus, the identification of novel targets is urgently needed to develop innovative agents to effectively control gastric cancer metastasis and progression. Previously, we reported a novel 12-mer peptide, GP-5 (IHKDKNAPSLVP), binding to gastric carcinoma (GC) cells specifically and sensitively, and it was screened by using a phage displayed peptide library and primarily analyzed. In this study, it was further identified via fluorescence microscopy, flow cytometry, tissue chip and other methods. Our results indicated that the peptide GP-5 presents a particularly high affinity and specificity to GC cells and tissues, whereas only background detection occurred with other control cancer cells, cancer tissues or normal tissues. Taken together, all results support that the peptide GP-5 is a potential candidate to be developed as a useful molecule fragment for the imaging detection and targeting therapy of GC.
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11
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Wang H, Liu R, Cui J, Deng S, Xie J, Nin Z, Zhang G. Characterization and utility of phages bearing peptides with affinity to porcine reproductive and respiratory syndrome virus nsp7 protein. J Virol Methods 2015; 222:231-41. [PMID: 25944706 DOI: 10.1016/j.jviromet.2015.04.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2015] [Revised: 04/02/2015] [Accepted: 04/23/2015] [Indexed: 12/18/2022]
Abstract
High-affinity peptides to porcine reproductive and respiratory syndrome virus (PRRSV) nonstructural protein (nsp) 7 were identified using phage-display technology. Five 12-amino-acid peptide sequences were identified after six rounds of biopanning. A putative CD##WC motif was found in two different consensus peptides borne by phages 4 and 5. The peptides borne by phages 4, 5, and 6 were synthesized for subsequent experiments, according to the results of the binding assays. Immunofluorescence assay revealed that all these peptides recognized nsp7 in PRRSV-infected cells. Furthermore, the peptides demonstrated antiviral activities, with peptides 5 and 6 showing effective inhibition. Early peptide stimulation was associated with strong antiviral activity, and the inhibitory effects of the peptides were dose-dependent at 36 and 48 h post-infection. Peptide 5 was selected to detect the intracellular localization of nsp7 by confocal microscopy. This peptide had a similar effect to anti-nsp7 monoclonal antibody on nsp7. These results suggest that high-affinity peptides to PRRSV nsp7 could mimic the potential of nsp7 antibody as a diagnostic reagent for virus detection. Moreover, the peptides selected in this study represented a potentially effective antiviral candidate to inhibit PRRSV.
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Affiliation(s)
- Heng Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Rongchang Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Jin Cui
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Shengchao Deng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Jiexiong Xie
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Zhangyong Nin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China
| | - Guihong Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Prevention and Control for Severe Clinical Animal Diseases, Guangzhou, Guangdong Province 510642, People's Republic of China; MOA Key Laboratory of Animal Vaccine Development, Guangzhou, Guangdong Province 510642, People's Republic of China.
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12
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Feng GK, Liu RB, Zhang MQ, Ye XX, Zhong Q, Xia YF, Li MZ, Wang J, Song EW, Zhang X, Wu ZZ, Zeng MS. SPECT and Near-Infrared Fluorescence Imaging of Breast Cancer with a Neuropilin-1-Targeting Peptide. J Control Release 2014; 192:236-42. [DOI: 10.1016/j.jconrel.2014.07.039] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 07/09/2014] [Accepted: 07/14/2014] [Indexed: 01/02/2023]
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13
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Guo Y, Ma C, Li C, Wu J, Zhang D, Han J, Wang Q, Xu J, Lu S, Hou Y. Screening and identification of a specific peptide binding to hepatocellular carcinoma cells from a phage display peptide library. J Pept Sci 2014; 20:196-202. [PMID: 24478253 DOI: 10.1002/psc.2599] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 11/18/2013] [Accepted: 11/18/2013] [Indexed: 12/16/2022]
Affiliation(s)
- Yonge Guo
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Caixia Ma
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Chunyan Li
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Jinling Wu
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Dan Zhang
- Department of General Surgery, The First Affiliated Hospital; Xi'an Jiaotong University; 277 West Yanta Road Xi'an 710061 China
| | - Juanjuan Han
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Qixuan Wang
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Jinhui Xu
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
| | - Shaoying Lu
- Department of General Surgery, The First Affiliated Hospital; Xi'an Jiaotong University; 277 West Yanta Road Xi'an 710061 China
| | - Yingchun Hou
- Department of Cell Biology, College of Life Sciences; Shaanxi Normal University; 199 South Chang'an Road Xi'an 710062 China
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14
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Tang B, Yong X, Xie R, Li QW, Yang SM. Vasoactive intestinal peptide receptor-based imaging and treatment of tumors (Review). Int J Oncol 2014; 44:1023-31. [PMID: 24481544 DOI: 10.3892/ijo.2014.2276] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 11/22/2013] [Indexed: 11/06/2022] Open
Abstract
Vasoactive intestinal peptide receptors (VIPRs) are members of the G-protein-coupled receptor superfamily. These receptors are overexpressed in many common malignant tumors and play a major role in the progression and angiogenesis of a number of malignancies. Therefore, VIPRs may be a valuable target for the molecular imaging of tumors and therapeutic interventions. The specific natural ligand or its analogs can be labeled with a radionuclide and used for tumor receptor imaging, which could be used to visualize VIPR-related surface protein expression in vivo and to monitor the in vivo effects of molecular drugs on tumors. Moreover, the involvement of VIPRs in malignant transformation and angiogenesis renders them potential therapeutic targets for cancer treatment. A variety of VIP antagonists and cytotoxic VIP conjugates have been synthesized and evaluated for VIPR-targeted molecular therapy. The importance of VIPRs in tumor biology and the ability to predict responses to targeted therapy and monitor drug interventions suggest that VIP receptor-based imaging and treatment will be critical for the early diagnosis and management of cancer. Here, we review the current literature regarding VIPRs and their natural ligands and the involvement of VIPRs in tumor growth and angiogenesis, with an emphasis on the present use of VIPRs for the molecular imaging of tumors and therapies targeting VIPRs.
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Affiliation(s)
- Bo Tang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Xin Yong
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Rui Xie
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Qian-Wei Li
- Department of Nuclear Medicine, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Shi-Ming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
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