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Järvinen J, Pulkkinen H, Rautio J, Timonen JM. Amino Acid-Based Boron Carriers in Boron Neutron Capture Therapy (BNCT). Pharmaceutics 2023; 15:2663. [PMID: 38140004 PMCID: PMC10748186 DOI: 10.3390/pharmaceutics15122663] [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: 10/22/2023] [Revised: 11/18/2023] [Accepted: 11/21/2023] [Indexed: 12/24/2023] Open
Abstract
Interest in the design of boronated amino acids has emerged, partly due to the utilization of boronophenylalanine (BPA), one of the two agents employed in clinical Boron Neutron Capture Therapy (BNCT). The boronated amino acids synthesized thus far for BNCT investigations can be classified into two categories based on the source of boron: boronic acids or carboranes. Amino acid-based boron carriers, employed in the context of BNCT treatment, demonstrate significant potential in the treatment of challenging tumors, such as those located in the brain. This review aims to shed light on the developmental journey and challenges encountered over the years in the field of amino acid-based boron delivery compound development. The primary focus centers on the utilization of the large amino acid transporter 1 (LAT1) as a target for boron carriers in BNCT. The development of efficient carriers remains a critical objective, addressing challenges related to tumor specificity, effective boron delivery, and rapid clearance from normal tissue and blood. LAT1 presents an intriguing and promising target for boron delivery, given its numerous characteristics that make it well suited for drug delivery into tumor tissues, particularly in the case of brain tumors.
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Affiliation(s)
- Juulia Järvinen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Herkko Pulkkinen
- Department of Technical Physics, Faculty of Science, Forestry and Technology, University of Eastern Finland, 70211 Kuopio, Finland
| | - Jarkko Rautio
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Juri M. Timonen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5E, P.O. Box 56, 00014 Helsinki, Finland
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Olaiz N, Monti Hughes A, Pozzi ECC, Thorp S, Curotto P, Trivillin VA, Ramos PS, Palmieri MA, Marshall G, Schwint AE, Garabalino MA. Enhancement in the Therapeutic Efficacy of In Vivo BNCT Mediated by GB-10 with Electroporation in a Model of Oral Cancer. Cells 2023; 12:cells12091241. [PMID: 37174642 PMCID: PMC10177359 DOI: 10.3390/cells12091241] [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: 03/30/2023] [Revised: 04/17/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Boron neutron capture therapy (BNCT) combines preferential tumor uptake of 10B compounds and neutron irradiation. Electroporation induces an increase in the permeability of the cell membrane. We previously demonstrated the optimization of boron biodistribution and microdistribution employing electroporation (EP) and decahydrodecaborate (GB-10) as the boron carrier in a hamster cheek pouch oral cancer model. The aim of the present study was to evaluate if EP could improve tumor control without enhancing the radiotoxicity of BNCT in vivo mediated by GB-10 with EP 10 min after GB-10 administration. Following cancerization, tumor-bearing hamster cheek pouches were treated with GB-10/BNCT or GB-10/BNCT + EP. Irradiations were carried out at the RA-3 Reactor. The tumor response and degree of mucositis in precancerous tissue surrounding tumors were evaluated for one month post-BNCT. The overall tumor response (partial remission (PR) + complete remission (CR)) increased significantly for protocol GB-10/BNCT + EP (92%) vs. GB-10/BNCT (48%). A statistically significant increase in the CR was observed for protocol GB-10/BNCT + EP (46%) vs. GB-10/BNCT (6%). For both protocols, the radiotoxicity (mucositis) was reversible and slight/moderate. Based on these results, we concluded that electroporation improved the therapeutic efficacy of GB-10/BNCT in vivo in the hamster cheek pouch oral cancer model without increasing the radiotoxicity.
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Affiliation(s)
- Nahuel Olaiz
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón I, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2270, Buenos Aires C1425FQD, Argentina
| | - Andrea Monti Hughes
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2270, Buenos Aires C1425FQD, Argentina
- Departamento Radiobiología, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Constituyentes (CAC), Av. General Paz 1499, San Martín, Buenos Aires B1650KNA, Argentina
| | - Emiliano C C Pozzi
- Departamento de Reactores de Investigación y Producción, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Ezeiza (CAE), Camino Real Presbítero González y Aragón 15, Buenos Aires B1802AYA, Argentina
| | - Silvia Thorp
- Sub-Gerencia Instrumentación y Control, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Ezeiza (CAE), Camino Real Presbítero González y Aragón 15, Buenos Aires B1802AYA, Argentina
| | - Paula Curotto
- Departamento de Reactores de Investigación y Producción, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Ezeiza (CAE), Camino Real Presbítero González y Aragón 15, Buenos Aires B1802AYA, Argentina
| | - Verónica A Trivillin
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2270, Buenos Aires C1425FQD, Argentina
- Departamento Radiobiología, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Constituyentes (CAC), Av. General Paz 1499, San Martín, Buenos Aires B1650KNA, Argentina
| | - Paula S Ramos
- Departamento Radiobiología, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Constituyentes (CAC), Av. General Paz 1499, San Martín, Buenos Aires B1650KNA, Argentina
| | - Mónica A Palmieri
- Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón II, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Guillermo Marshall
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón I, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2270, Buenos Aires C1425FQD, Argentina
| | - Amanda E Schwint
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2270, Buenos Aires C1425FQD, Argentina
- Departamento Radiobiología, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Constituyentes (CAC), Av. General Paz 1499, San Martín, Buenos Aires B1650KNA, Argentina
| | - Marcela A Garabalino
- Departamento Radiobiología, Comisión Nacional de Energía Atómica (CNEA), Centro Atómico Constituyentes (CAC), Av. General Paz 1499, San Martín, Buenos Aires B1650KNA, Argentina
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Capala J, Hong JA, Vikram B, Coleman CN. Neutron Capture Therapy: The Promise of Novel Agents and Medical Facility-Based Neutron Sources. Cancer Biother Radiopharm 2023; 38:141-142. [PMID: 37023402 DOI: 10.1089/cbr.2022.0098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Affiliation(s)
- Jacek Capala
- Radiation Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Julie A Hong
- Radiation Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Bhadrasain Vikram
- Radiation Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - C Norman Coleman
- Radiation Research Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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