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Dillemuth P, Lövdahl P, Karskela T, Ayo A, Ponkamo J, Liljenbäck H, Paunonen S, Kunnas J, Rajander J, Tynninen O, Rosenholm JM, Roivainen A, Laakkonen P, Airaksinen AJ, Li XG. Switching the Chemoselectivity in the Preparation of [ 18F]FNA- N-CooP, a Free Thiol-Containing Peptide for Targeted Positron Emission Tomography Imaging of Fatty Acid Binding Protein 3. Mol Pharm 2024; 21:4147-4156. [PMID: 39008899 DOI: 10.1021/acs.molpharmaceut.4c00546] [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] [Indexed: 07/17/2024]
Abstract
Fatty acid binding protein 3 (FABP3) is expressed both in tumor cells and in the tumor vasculature, making it a potential target for medical imaging and therapy. In this study, we aimed to radiolabel a CooP peptide with a free amino and thiol group, and evaluate the radiolabeled product [18F]FNA-N-CooP for imaging FABP3 expression in breast cancer brain metastases by positron emission tomography. [18F]FNA-N-CooP was prepared by highly chemoselective N-acylation and characterized using different chemical approaches. We validated its binding to the target using in vitro tissue section autoradiography and performed stability tests in vitro and in vivo. [18F]FNA-N-CooP was successfully synthesized in 16.8% decay-corrected radiochemical yield with high radiochemical purity (98.5%). It exhibited heterogeneous binding on brain metastasis tissue sections from a patient with breast cancer, with foci of radioactivity binding corresponding to FABP3 positivity. Furthermore, the tracer binding was reduced by 55% in the presence of nonradioactive FNA-N-CooP a blocker, indicating specific tracer binding and that FABP3 is a viable target for [18F]FNA-N-CooP. Favorably, the tracer did not bind to necrotic tumor tissue. However, [18F]FNA-N-CooP displayed limited stability both in vitro in mouse plasma or human serum and in vivo in mouse, therefore further studies are needed to improve the stability [18F]FNA-N-CooP to be used for in vivo applications.
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Affiliation(s)
- Pyry Dillemuth
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Department of Chemistry, University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
| | - Petter Lövdahl
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Tykistökatu 6, Turku FI-20520, Finland
| | - Tuomas Karskela
- Turku Centre for Chemical and Molecular Analytics, Åbo Akademi University and University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
| | - Abiodun Ayo
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Haartmaninkatu 4, Helsinki FI-00290, Finland
| | - Jesse Ponkamo
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Department of Chemistry, University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
| | - Heidi Liljenbäck
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Turku Center for Disease Modeling, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
| | - Sami Paunonen
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Department of Chemistry, University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
| | - Jonne Kunnas
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Tykistökatu 6, Turku FI-20520, Finland
| | - Johan Rajander
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Accelerator Laboratory, Åbo Akademi University, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
| | - Olli Tynninen
- Department of Pathology, Helsinki University Hospital and University of Helsinki, Haartmaninkatu 4, Helsinki FI-00290, Finland
| | - Jessica M Rosenholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Tykistökatu 6, Turku FI-20520, Finland
| | - Anne Roivainen
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Turku Center for Disease Modeling, University of Turku, Kiinamyllynkatu 10, Turku FI-20520, Finland
- InFLAMES Research Flagship, University of Turku, Tykistökatu 6, Turku FI-20520, Finland
| | - Pirjo Laakkonen
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Haartmaninkatu 4, Helsinki FI-00290, Finland
- Laboratory Animal Centre, HiLIFE University of Helsinki, Haartmaninkatu 4, Helsinki FI-00290, Finland
- iCAN Flagship Program, University of Helsinki, Haartmaninkatu 4, Helsinki FI-00290, Finland
| | - Anu J Airaksinen
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Department of Chemistry, University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
| | - Xiang-Guo Li
- Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
- Department of Chemistry, University of Turku, Henrikinkatu 2, Turku FI-20500, Finland
- InFLAMES Research Flagship, University of Turku, Tykistökatu 6, Turku FI-20520, Finland
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, Turku FI-20520, Finland
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Dillemuth P, Karskela T, Ayo A, Ponkamo J, Kunnas J, Rajander J, Tynninen O, Roivainen A, Laakkonen P, Airaksinen AJ, Li XG. Radiosynthesis, structural identification and in vitro tissue binding study of [ 18F]FNA-S-ACooP, a novel radiopeptide for targeted PET imaging of fatty acid binding protein 3. EJNMMI Radiopharm Chem 2024; 9:16. [PMID: 38393497 PMCID: PMC10891031 DOI: 10.1186/s41181-024-00245-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Fatty acid binding protein 3 (FABP3) is a target with clinical relevance and the peptide ligand ACooP has been identified for FABP3 targeting. ACooP is a linear decapeptide containing a free amino and thiol group, which provides opportunities for conjugation. This work is to develop methods for radiolabeling of ACooP with fluorine-18 (18F) for positron emission tomography (PET) applications, and evaluate the binding of the radiolabeled ACooP in human tumor tissue sections with high FABP3 expression. RESULTS The prosthetic compound 6-[18F]fluoronicotinic acid 4-nitrophenyl ester was conveniently prepared with an on-resin 18F-fluorination in 29.9% radiochemical yield and 96.6% radiochemical purity. Interestingly, 6-[18F]fluoronicotinic acid 4-nitrophenyl ester conjugated to ACooP exclusively by S-acylation instead of the expected N-acylation, and the chemical identity of the product [18F]FNA-S-ACooP was confirmed. In the in vitro binding experiments, [18F]FNA-S-ACooP exhibited heterogeneous and high focal binding in malignant tissue sections, where we also observed abundant FABP3 positivity by immunofluorescence staining. Blocking study further confirmed the [18F]FNA-S-ACooP binding specificity. CONCLUSIONS FABP3 targeted ACooP peptide was successfully radiolabeled by S-acylation using 6-[18F]fluoronicotinic acid 4-nitrophenyl ester as the prosthetic compound. The tissue binding and blocking studies together with anti-FABP3 immunostaining confirmed [18F]FNA-S-ACooP binding specificity. Further preclinical studies of [18F]FNA-S-ACooP are warranted.
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Affiliation(s)
- Pyry Dillemuth
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland
| | - Tuomas Karskela
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland
| | - Abiodun Ayo
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jesse Ponkamo
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland
| | - Jonne Kunnas
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland
- Pharmaceutical Sciences Laboratory, Faculty of Sciences and Engineering, Åbo Akademi University, Turku, Finland
| | - Johan Rajander
- Accelerator Laboratory, Åbo Akademi University, Turku, Finland
| | - Olli Tynninen
- Department of Pathology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Anne Roivainen
- Turku PET Centre, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, 20520, Turku, Finland
- Turku Center for Disease Modeling, University of Turku, Turku, Finland
- InFLAMES Research Flagship, University of Turku, Turku, Finland
| | - Pirjo Laakkonen
- Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Laboratory Animal Centre, HiLIFE University of Helsinki, Helsinki, Finland
- iCAN Flagship Program, University of Helsinki, Helsinki, Finland
| | - Anu J Airaksinen
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland
| | - Xiang-Guo Li
- Turku PET Centre and Department of Chemistry, University of Turku, Turku, Finland.
- Turku PET Centre, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, 20520, Turku, Finland.
- InFLAMES Research Flagship, University of Turku, Turku, Finland.
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Wang Q, Xin X, Dai Q, Sun M, Chen J, Mostafavi E, Shen Y, Li X. Medulloblastoma targeted therapy: From signaling pathways heterogeneity and current treatment dilemma to the recent advances in development of therapeutic strategies. Pharmacol Ther 2023; 250:108527. [PMID: 37703952 DOI: 10.1016/j.pharmthera.2023.108527] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/27/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023]
Abstract
Medulloblastoma (MB) is a major pediatric malignant brain tumor that arises in the cerebellum. MB tumors exhibit highly heterogeneous driven by diverse genetic alterations and could be divided into four major subgroups based on their different biological drivers and molecular features (Wnt, Sonic hedgehog (Shh), group 3, and group 4 MB). Even though the therapeutic strategies for each MB subtype integrate their pathogenesis and were developed to focus on their specific target sites, the unexpected drug non-selective cytotoxicity, low drug accumulation in the brain, and complexed MB tumor microenvironment still be huge obstacles to achieving satisfied MB therapeutic efficiency. This review discussed the current advances in modern MB therapeutic strategy development. Through the recent advances in knowledge of the origin, molecular pathogenesis of MB subtypes and their current therapeutic barriers, we particularly reviewed the current development in advanced MB therapeutic strategy committed to overcome MB treatment obstacles, focusing on novel signaling pathway targeted therapeutic agents and their combination discovery, advanced drug delivery systems design, and MB immunotherapy strategy development.
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Affiliation(s)
- Qiyue Wang
- School of Pharmaceutical Science, Nanjing Tech University, Nanjing 211816, China
| | - Xiaofei Xin
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Qihao Dai
- School of Pharmaceutical Science, Nanjing Tech University, Nanjing 211816, China
| | - Mengjuan Sun
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Jinhua Chen
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Ebrahim Mostafavi
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
| | - Yan Shen
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
| | - Xueming Li
- School of Pharmaceutical Science, Nanjing Tech University, Nanjing 211816, China.
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Liu C, Yu Y, Fang L, Wang J, Sun C, Li H, Zhuang J, Sun C. Plant-derived nanoparticles and plant virus nanoparticles: Bioactivity, health management, and delivery potential. Crit Rev Food Sci Nutr 2023:1-17. [PMID: 37128778 DOI: 10.1080/10408398.2023.2204375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Natural plants have acquired an increasing attention in biomedical research. Recent studies have revealed that plant-derived nanoparticles (PDNPs), which are nano-sized membrane vesicles released by plants, are one of the important material bases for the health promotion of natural plants. A great deal of research in this field has focused on nanoparticles derived from fresh vegetables and fruits. Generally, PDNPs contain lipids, proteins, nucleic acids, and other active small molecules and exhibit unique biological regulatory activity and editability. Specifically, they have emerged as important mediators of intercellular communication, and thus, are potentially suitable for therapeutic purposes. In this review, PDNPs were extensively explored; by evaluating them systematically starting from the origin and isolation, toward their characteristics, including morphological compositions, biological functions, and delivery potentials, as well as distinguishing them from plant-derived exosomes and highlighting the limitations of the current research. Meanwhile, we elucidated the variations in PDNPs infected by pathogenic microorganisms and emphasized on the biological functions and characteristics of plant virus nanoparticles. After clarifying these problems, it is beneficial to further research on PDNPs in the future and develop their clinical application value.
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Affiliation(s)
- Cun Liu
- College of Traditional Chinese Medicine, Weifang Medical University, Weifang, China
| | - Yang Yu
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Liguang Fang
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jia Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Chunjie Sun
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Huayao Li
- College of Traditional Chinese Medicine, Weifang Medical University, Weifang, China
| | - Jing Zhuang
- Department of Oncology, Weifang Traditional Chinese Hospital, Weifang, China
| | - Changgang Sun
- College of Traditional Chinese Medicine, Weifang Medical University, Weifang, China
- Department of Oncology, Weifang Traditional Chinese Hospital, Weifang, China
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Marchetti L, Simon-Gracia L, Lico C, Mancuso M, Baschieri S, Santi L, Teesalu T. Targeting of Tomato Bushy Stunt Virus with a Genetically Fused C-End Rule Peptide. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1428. [PMID: 37111013 PMCID: PMC10143547 DOI: 10.3390/nano13081428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 06/19/2023]
Abstract
Homing peptides are widely used to improve the delivery of drugs, imaging agents, and nanoparticles (NPs) to their target sites. Plant virus-based particles represent an emerging class of structurally diverse nanocarriers that are biocompatible, biodegradable, safe, and cost-effective. Similar to synthetic NPs, these particles can be loaded with imaging agents and/or drugs and functionalized with affinity ligands for targeted delivery. Here we report the development of a peptide-guided Tomato Bushy Stunt Virus (TBSV)-based nanocarrier platform for affinity targeting with the C-terminal C-end rule (CendR) peptide, RPARPAR (RPAR). Flow cytometry and confocal microscopy demonstrated that the TBSV-RPAR NPs bind specifically to and internalize in cells positive for the peptide receptor neuropilin-1 (NRP-1). TBSV-RPAR particles loaded with a widely used anticancer anthracycline, doxorubicin, showed selective cytotoxicity on NRP-1-expressing cells. Following systemic administration in mice, RPAR functionalization conferred TBSV particles the ability to accumulate in the lung tissue. Collectively, these studies show the feasibility of the CendR-targeted TBSV platform for the precision delivery of payloads.
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Affiliation(s)
- Luca Marchetti
- Laboratory of Biomedical Technologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy
| | - Lorena Simon-Gracia
- Laboratory of Precision and Nanomedicine, Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14b, 50090 Tartu, Estonia
| | - Chiara Lico
- Laboratory of Biotechnologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Mariateresa Mancuso
- Laboratory of Biomedical Technologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Selene Baschieri
- Laboratory of Biotechnologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Luca Santi
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy
| | - Tambet Teesalu
- Laboratory of Precision and Nanomedicine, Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14b, 50090 Tartu, Estonia
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA
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Picone P. Nanobiotechnology: A New Frontier for Brain Disorders. Int J Mol Sci 2022; 23:ijms23179603. [PMID: 36076998 PMCID: PMC9455621 DOI: 10.3390/ijms23179603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Brain disorders, such as neurodegenerative diseases (NDs) and tumors (more than 600 pathologies), are a serious health problem, resulting in brain dysfunctions that limit normal activities, with a significant economic impact [...]
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Affiliation(s)
- Pasquale Picone
- Istituto per la Ricerca e l’Innovazione Biomedica, CNR, Via U. La Malfa 153, 90146 Palermo, Italy;
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche, Università di Palermo, Viale delle Scienze, 90128 Palermo, Italy
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