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Paulus J, Sewald N. Small molecule- and peptide-drug conjugates addressing integrins: A story of targeted cancer treatment. J Pept Sci 2024; 30:e3561. [PMID: 38382900 DOI: 10.1002/psc.3561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 02/23/2024]
Abstract
Targeted cancer treatment should avoid side effects and damage to healthy cells commonly encountered during traditional chemotherapy. By combining small molecule or peptidic ligands as homing devices with cytotoxic drugs connected by a cleavable or non-cleavable linker in peptide-drug conjugates (PDCs) or small molecule-drug conjugates (SMDCs), cancer cells and tumours can be selectively targeted. The development of highly affine, selective peptides and small molecules in recent years has allowed PDCs and SMDCs to increasingly compete with antibody-drug conjugates (ADCs). Integrins represent an excellent target for conjugates because they are overexpressed by most cancer cells and because of the broad knowledge about native binding partners as well as the multitude of small-molecule and peptidic ligands that have been developed over the last 30 years. In particular, integrin αVβ3 has been addressed using a variety of different PDCs and SMDCs over the last two decades, following various strategies. This review summarises and describes integrin-addressing PDCs and SMDCs while highlighting points of great interest.
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Affiliation(s)
- Jannik Paulus
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, Bielefeld, Germany
| | - Norbert Sewald
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, Bielefeld, Germany
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2
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Meecham A, Marshall J. Harnessing the power of foot-and-mouth-disease virus for targeting integrin alpha-v beta-6 for the therapy of cancer. Expert Opin Drug Discov 2021; 16:737-744. [PMID: 33533659 DOI: 10.1080/17460441.2021.1878143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 01/15/2021] [Indexed: 10/22/2022]
Abstract
Introduction: The integrin αvβ6 is a promising therapeutic target due to its limited expression in healthy tissue and significant overexpression in cancer and fibrosis. The peptide A20FMDV2, derived from the foot and mouth disease virus, is highly selective for αvβ6, and can be used therapeutically to target αvβ6 expressing cells.Areas covered: In this review, the authors discuss the logic that led to the discovery of A20FMDV2, the importance of its stereochemistry in receptor-binding, and the strategies employed to use it as a molecular-specific drug delivery system. These strategies include creating A20FMDV2-drug conjugates, genetically modifying oncolytic viruses to express A20FMDV2 and thus redirect their tropism to predominantly αvβ6 expressing cells, creation of A20FMDV2 expressing CAR T-cells, and modifying antibody tropism by inserting A20FMDV2 into the CDR3 loop.Expert opinion: αvβ6 is one of the most promising therapeutic targets in cancer and fibrosis discovered in the last few decades. The potential use of A20FMDV2 as a molecular-specific αvβ6-targeting agent is extremely promising, particularly when considering the success of the peptide and its variants in clinical imaging.
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Affiliation(s)
- Amelia Meecham
- Centre for Tumour Biology, Barts Cancer Institute-Cancer Research UK Centre of Excellence, Queen Mary University of London, Charterhouse Square London, UK
| | - John Marshall
- Centre for Tumour Biology, Barts Cancer Institute-Cancer Research UK Centre of Excellence, Queen Mary University of London, Charterhouse Square London, UK
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3
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Nardelli F, Ghitti M, Quilici G, Gori A, Luo Q, Berardi A, Sacchi A, Monieri M, Bergamaschi G, Bermel W, Chen F, Corti A, Curnis F, Musco G. A stapled chromogranin A-derived peptide is a potent dual ligand for integrins αvβ6 and αvβ8. Chem Commun (Camb) 2020; 55:14777-14780. [PMID: 31755501 DOI: 10.1039/c9cc08518a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Combining 2D STD-NMR, computation, biochemical assays and click-chemistry, we have identified a chromogranin-A derived compound (5) that has high affinity and bi-selectivity for αvβ6 and αvβ8 integrins and is stable in microsomal preparations. 5 is suitable for nanoparticle functionalization and delivery to cancer cells, holding promise for diagnostic and/or therapeutic applications.
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Affiliation(s)
- Francesca Nardelli
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Michela Ghitti
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Giacomo Quilici
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Alessandro Gori
- Istituto di Chimica del Riconoscimento Molecolare, C.N.R., Via Mario Bianco 9, 20131 Milan, Italy
| | - Qingqiong Luo
- Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Andrea Berardi
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Angelina Sacchi
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Matteo Monieri
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Greta Bergamaschi
- Istituto di Chimica del Riconoscimento Molecolare, C.N.R., Via Mario Bianco 9, 20131 Milan, Italy
| | - Wolfgang Bermel
- Bruker BioSpin GmbH, Silberstreifen 4, Rheinstetten, 76287, Germany
| | - Fuxiang Chen
- Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Angelo Corti
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy. and Vita Salute San Raffaele University, Via Olgettina 58, 20132 Milan, Italy
| | - Flavio Curnis
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
| | - Giovanna Musco
- IRCCS San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy.
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5
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Liu H, Gao L, Yu X, Zhong L, Shi J, Jia B, Li N, Liu Z, Wang F. Small-animal SPECT/CT imaging of cancer xenografts and pulmonary fibrosis using a 99mTc-labeled integrin αvβ6-targeting cyclic peptide with improved in vivo stability. BIOPHYSICS REPORTS 2018; 4:254-264. [PMID: 30533490 PMCID: PMC6245143 DOI: 10.1007/s41048-018-0071-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 07/17/2018] [Indexed: 12/20/2022] Open
Abstract
Abstract Integrin αvβ6 is expressed at an undetectable level in normal tissues, but is remarkably upregulated during many pathological processes, especially in cancer and fibrosis. Noninvasive imaging of integrin αvβ6 expression using a radiotracer with favorable in vivo pharmacokinetics would facilitate disease diagnosis and therapy monitoring. Through disulfide-cyclized method, we synthesized in this study, a new integrin αvβ6-targeted cyclic peptide (denoted as cHK), and radiolabeled it with 99mTc. The ability of the resulting radiotracer 99mTc–HYNIC–cHK to detect integrin αvβ6 expression in pancreatic cancer xenografts and idiopathic pulmonary fibrosis was evaluated using small-animal single-photon emission computed tomography (SPECT)/computed tomography (CT). 99mTc–HYNIC–cHK showed significantly improved in vivo metabolic stability compared to the linear peptide-based radiotracer 99mTc–HYNIC–HK. 99mTc–HYNIC–cHK exhibited similar biodistribution properties to 99mTc–HYNIC–HK, but the tumor-to-muscle ratio was significantly increased (2.99 ± 0.87 vs. 1.82 ± 0.27, P < 0.05). High-contrast images of integrin αvβ6-positive tumors and bleomycin-induced fibrotic lungs were obtained by SPECT/CT imaging using 99mTc–HYNIC–cHK. Overall, our studies demonstrate that 99mTc–HYNIC–cHK is a promising SPECT radiotracer for the noninvasive imaging of integrin αvβ6 in living subjects. Graphical Abstract ![]()
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Affiliation(s)
- Hao Liu
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
| | - Liquan Gao
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
| | - Xinhe Yu
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
| | - Lijun Zhong
- Medical and Healthy Analytical Center, Peking University, Beijing, 100191 China
| | - Jiyun Shi
- Key Laboratory of Protein and Peptide Pharmaceuticals, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101 China
| | - Bing Jia
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
- Medical and Healthy Analytical Center, Peking University, Beijing, 100191 China
| | - Nan Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, Peking University Cancer Hospital & Institute, Beijing, 100142 China
| | - Zhaofei Liu
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
| | - Fan Wang
- Medical Isotopes Research Center and Department of Radiation Medicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191 China
- Key Laboratory of Protein and Peptide Pharmaceuticals, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101 China
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Romano S, Moura V, Simões S, Moreira JN, Gonçalves J. Anticancer activity and antibody-dependent cell-mediated cytotoxicity of novel anti-nucleolin antibodies. Sci Rep 2018; 8:7450. [PMID: 29748553 PMCID: PMC5945777 DOI: 10.1038/s41598-018-25816-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 04/09/2018] [Indexed: 01/09/2023] Open
Abstract
Nucleolin arises as a relevant target for cancer therapy, as it is overexpressed at the surface of cancer and angiogenic endothelial cells thus enabling a dual cellular targeting strategy. Immunotherapeutic strategies, albeit of proven therapeutic relevance, have been scarcely explored against this target. Therefore, this work aimed at engineering an anti-nucleolin VHH-based antibody capable of triggering anticancer immune responses. Herein, anti-nucleolin VHHs have been generated upon grafting F3 peptide-derived nucleolin-binding sequences onto a VHH CDR1 or CDR3. One of these nucleolin-binding CDR3-grafted VHH was subsequently fused to a human IgG1 Fc region, enabling a significant antibody-dependent cell-mediated cytotoxicity (ADCC). The generated anti-nucleolin VHH revealed increased binding and antiproliferative effects against cancer cells, relative to the parental VHH, while the VHH-Fc counterpart presented increased cytotoxicity relative to the corresponding VHH. This VHH-Fc also triggered an ADCC effect, in the nanomolar range, against a nucleolin-overexpressing cancer cell line. This effect was evidenced by a 2 or 1.7-fold increase of cell death, in the presence of PBMCs, relative to the parental VHH-Fc or the VHH counterpart, respectively. Overall, these formats represent the first anti-nucleolin VHHs and the first anti-nucleolin antibody with ADCC activity that have been successfully developed.
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Affiliation(s)
- Sofia Romano
- CNC - Center for Neuroscience and Cell Biology, Faculty of Medicine (Pólo I), University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal
- IIIUC - Institute for Interdisciplinary Research, University of Coimbra, Casa Costa Alemão - Pólo II, Rua Dom Francisco de Lemos, 3030-789, Coimbra, Portugal
| | - Vera Moura
- CNC - Center for Neuroscience and Cell Biology, Faculty of Medicine (Pólo I), University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal
- TREAT U, SA, Parque Industrial de Taveiro, Lote 44, 3045-508, Coimbra, Portugal
| | - Sérgio Simões
- CNC - Center for Neuroscience and Cell Biology, Faculty of Medicine (Pólo I), University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal
- FFUC - Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - João Nuno Moreira
- CNC - Center for Neuroscience and Cell Biology, Faculty of Medicine (Pólo I), University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal.
- FFUC - Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal.
| | - João Gonçalves
- iMed.ULisboa - Research Institute for Medicines, Faculty of Pharmacy, University of Lisbon, Avenida Prof. Gama Pinto, 1649-003, Lisbon, Portugal.
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Altmann A, Sauter M, Roesch S, Mier W, Warta R, Debus J, Dyckhoff G, Herold-Mende C, Haberkorn U. Identification of a Novel ITGα vβ 6-Binding Peptide Using Protein Separation and Phage Display. Clin Cancer Res 2017; 23:4170-4180. [PMID: 28468949 DOI: 10.1158/1078-0432.ccr-16-3217] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 01/19/2017] [Accepted: 02/15/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Targeted therapies are regarded as promising approaches to increase 5-year survival rate of head and neck squamous cell carcinoma (HNSCC) patients.Experimental design: For the selection of carcinoma-specific peptides membrane proteome of HNO97 tumor cells fractionated by the ProteomeLab PF2D system and corresponding HNO97 cells were deployed for an alternating biopanning using a sunflower trypsin inhibitor1-based phage display (SFTI8Ph) library. Stability, binding properties and affinity of novel candidates were assessed in vitro using radio-HPLC, binding experiments and surface plasmon resonance assay (SPR), respectively. Subsequently, the affinity of the peptide was verified in situ by using peptide histochemistry, in vitro using flow cytometry, and in vivo by positron emissions tomography (PET/CT).Results: We identified a novel ITGαvβ6 binding peptide (SFITGv6) containing the amino acid sequence FRGDLMQL. SFITGv6 provides stability over a period of 24 hours and demonstrates high affinity (KD = 14.8 nmol/L) for ITGαvβ6 In HNO97 cells, a maximal uptake and internalization of up to 37.3% and 37.5%, respectively, was measured. Small-animal PET imaging and biodistribution studies of HNO97 xenografted Balb/c nu/nu mice showed tumor-specific accumulation of 68Ga- and 177Lu-labeled DOTA-SFITGv6, respectively, 30 to 60 minutes after injection. Moreover, peptide histochemistry revealed a strong and homogenous binding of biotin-labeled SFITGv6 to HNSCC tumors and breast- and lung cancer-derived brain metastases. Finally, first PET/CT scans of HNSCC and NSCLC patients displayed SFITGv6 accumulation specifically in tumors, but not in inflammatory lesions.Conclusions: Thus, SFITGv6 represents a novel powerful tracer for imaging and possibly for endoradiotherapy of ITGαvβ6-positive carcinoma. Clin Cancer Res; 23(15); 4170-80. ©2017 AACR.
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Affiliation(s)
- Annette Altmann
- Clinical Cooperation Unit Nuclear Medicine, German Cancer Research Center (DKFZ) Heidelberg, Germany.,Department of Nuclear Medicine, University Hospital Heidelberg, Germany
| | - Max Sauter
- Department of Nuclear Medicine, University Hospital Heidelberg, Germany
| | - Saskia Roesch
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, Germany.,Department of Head and Neck Surgery, University of Heidelberg, Germany
| | - Walter Mier
- Department of Nuclear Medicine, University Hospital Heidelberg, Germany
| | - Rolf Warta
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, Germany.,Department of Head and Neck Surgery, University of Heidelberg, Germany
| | - Jürgen Debus
- Department of Radiooncology, University Hospital Heidelberg, Germany
| | - Gerhard Dyckhoff
- Department of Head and Neck Surgery, University of Heidelberg, Germany
| | - Christel Herold-Mende
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, Germany
| | - Uwe Haberkorn
- Clinical Cooperation Unit Nuclear Medicine, German Cancer Research Center (DKFZ) Heidelberg, Germany. .,Department of Nuclear Medicine, University Hospital Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
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Lawrence AD, Frank S, Newnham S, Lee MJ, Brown IR, Xue WF, Rowe ML, Mulvihill DP, Prentice MB, Howard MJ, Warren MJ. Solution structure of a bacterial microcompartment targeting peptide and its application in the construction of an ethanol bioreactor. ACS Synth Biol 2014; 3:454-465. [PMID: 24933391 DOI: 10.1021/sb4001118] [Citation(s) in RCA: 135] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Targeting of proteins to bacterial microcompartments (BMCs) is mediated by an 18-amino-acid peptide sequence. Herein, we report the solution structure of the N-terminal targeting peptide (P18) of PduP, the aldehyde dehydrogenase associated with the 1,2-propanediol utilization metabolosome from Citrobacter freundii. The solution structure reveals the peptide to have a well-defined helical conformation along its whole length. Saturation transfer difference and transferred NOE NMR has highlighted the observed interaction surface on the peptide with its main interacting shell protein, PduK. By tagging both a pyruvate decarboxylase and an alcohol dehydrogenase with targeting peptides, it has been possible to direct these enzymes to empty BMCs in vivo and to generate an ethanol bioreactor. Not only are the purified, redesigned BMCs able to transform pyruvate into ethanol efficiently, but the strains containing the modified BMCs produce elevated levels of alcohol.
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Affiliation(s)
- Andrew D. Lawrence
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Stefanie Frank
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Sarah Newnham
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Matthew J. Lee
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Ian R. Brown
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Wei-Feng Xue
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Michelle L. Rowe
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Daniel P. Mulvihill
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | | | - Mark J. Howard
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
| | - Martin J. Warren
- School
of Biosciences, University of Kent, Giles Lane, Canterbury, Kent CT2 7NJ, U.K
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Liu H, Wu Y, Wang F, Liu Z. Molecular imaging of integrin αvβ6 expression in living subjects. AMERICAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING 2014; 4:333-345. [PMID: 24982819 PMCID: PMC4074499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 05/15/2014] [Indexed: 06/03/2023]
Abstract
Integrins, a family of cell adhesion molecules composed of α and β heterodimeric subunits, are involved in a wide range of cell-extracellular matrix and cell-cell interactions. The study of integrin family members as targets for molecular imaging and therapy has been generally limited with the exception of integrin αvβ3. vβ6, a member of the integrin family, is expressed at low or undetectable levels in normal tissues, but is widely upregulated during many pathological and physiological processes, especially cancer and fibrosis, making it a promising target for molecular imaging. Noninvasive and quantitative imaging of integrin vβ6 expression would be very useful for disease diagnosis, treatment monitoring, and prognosis assessment. Although various molecular probes have been developed for positron emission tomography and single-photon emission computed tomography imaging of integrin vβ6 expression in preclinical animal models, further research efforts are required to optimize integrin vβ6-targeting probes for future potential clinical applications in the fields of oncology and beyond.
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Affiliation(s)
- Hao Liu
- Medical Isotopes Research Center, Peking UniversityBeijing 100191, China
- Department of Radiation Medicine, School of Basic Medical Sciences, Peking UniversityBeijing 100191, China
| | - Yue Wu
- Medical Isotopes Research Center, Peking UniversityBeijing 100191, China
- Department of Radiation Medicine, School of Basic Medical Sciences, Peking UniversityBeijing 100191, China
| | - Fan Wang
- Medical Isotopes Research Center, Peking UniversityBeijing 100191, China
- Department of Radiation Medicine, School of Basic Medical Sciences, Peking UniversityBeijing 100191, China
| | - Zhaofei Liu
- Medical Isotopes Research Center, Peking UniversityBeijing 100191, China
- Department of Radiation Medicine, School of Basic Medical Sciences, Peking UniversityBeijing 100191, China
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