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Ciccone LP, Franzetti J, Bonora M, Ronchi S, Camarda AM, Charalampopoulou A, Facoetti A, Bazani A, Magro G, Vischioni B, Locati LD, Licitra L, Sauerwein WAG, Orlandi E. Charged particle radiotherapy for thyroid cancer. A systematic review. Crit Rev Oncol Hematol 2024; 202:104463. [PMID: 39098367 DOI: 10.1016/j.critrevonc.2024.104463] [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: 04/11/2024] [Revised: 07/26/2024] [Accepted: 07/28/2024] [Indexed: 08/06/2024] Open
Abstract
The role of external beam radiotherapy (EBRT) in thyroid cancer (TC) remains contentious due to limited data. Retrospective studies suggest adjuvant EBRT benefits high-risk differentiated thyroid cancer (DTC) and limited-stage anaplastic thyroid carcinoma (ATC), enhancing locoregional control and progression-free survival when combined with surgery and chemotherapy. Intensity-modulated radiotherapy (IMRT) and particle therapy (PT), including protons, carbon ions, and Boron Neutron Capture Therapy (BNCT), represent advances in TC treatment. Following PRISMA guidelines, we reviewed 471 studies from January 2002 to January 2024, selecting 14 articles (10 preclinical, 4 clinical). Preclinical research focused on BNCT in ATC mouse models, showing promising local control rates. Clinical studies explored proton, neutron, or photon radiotherapy, reporting favorable outcomes and manageable toxicity. While PT shows promise supported by biological rationale, further research is necessary to clarify its role and potential combination with systemic treatments in TC management.
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Affiliation(s)
- Lucia Pia Ciccone
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Jessica Franzetti
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy.
| | - Maria Bonora
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Sara Ronchi
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Anna Maria Camarda
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Alexandra Charalampopoulou
- Radiobiology Unit, Research and Development Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Hadron Academy PhD Course, University School for Advanced Studies (IUSS), Pavia 27100, Italy
| | - Angelica Facoetti
- Radiobiology Unit, Research and Development Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Alessia Bazani
- Medical Physics Unit, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Giuseppe Magro
- Medical Physics Unit, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Barbara Vischioni
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy
| | - Laura Deborah Locati
- Department of Internal Medicine and Therapeutics University of Pavia, Pavia 27100, Italy; Medical Oncology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia 27100, Italy
| | - Lisa Licitra
- Scientific Directorate, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Department of Head & Neck Medical Oncology 3, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan 20133, Italy; Department of Oncology & Haemato-Oncology, University of Milan, Milan 20122, Italy
| | - Wolfgang A G Sauerwein
- Deutsche Gesellschaft für Bor-Neutroneneinfangtherapie (DGBNCT), Essen, Germany; BNCT Global GmbH, Essen, Germany
| | - Ester Orlandi
- Clinical Department, CNAO National Center for Oncological Hadrontherapy, Pavia 27100, Italy; Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
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Iannalfi A, Riva G, Lillo S, Ciccone L, Fontana G, Molinelli S, Trombetta L, Ciocca M, Imparato S, Pecorilla M, Orlandi E. Proton therapy for intracranial meningioma: a single-institution retrospective analysis of efficacy, survival and toxicity outcomes. J Neurooncol 2024; 169:683-692. [PMID: 38918319 DOI: 10.1007/s11060-024-04751-x] [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: 05/06/2024] [Accepted: 06/14/2024] [Indexed: 06/27/2024]
Abstract
PURPOSE To report the outcomes of a large series of intracranial meningiomas (IMs) submitted to proton therapy (PT) with curative intent. METHODS We conducted a retrospective analysis on all consecutive IM patients treated between 2014 and 2021. The median PT prescription dose was 55.8 Gy relative biological effectiveness (RBE) and 66 GyRBE for benign/radiologically diagnosed and atypical/anaplastic IMs, respectively. Local recurrence-free survival (LRFS), distant recurrence-free survival (DRFS), overall survival (OS), and radionecrosis-free survival (RNFS) were evaluated with the Kaplan-Meier method. Univariable analysis was performed to identify potential prognostic factors for clinical outcomes. Toxicity was reported according to the latest Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. RESULTS Overall, 167 patients were included. With a median follow-up of 41 months (range, 6-99), twelve patients (7%) developed tumor local recurrence after a median time of 39 months. The 5-year LRFS was 88% for the entire cohort, with a significant difference between benign/radiologically diagnosed and atypical/anaplastic IMs (98% vs. 47%, p < 0.001); this significant difference was maintained also for the 5-year OS and the 5-year DRFS rates. Patients aged ≤ 56 years reported significantly better outcomes, whereas lower prescription doses and skull base location were associated with better RNFS rates. Two patients experienced G3 acute toxicities (1.2%), and three patients G3 late toxicities (1.8%). There were no G4-G5 adverse events. CONCLUSION PT proved to be effective with an acceptable toxicity profile. To the best of our knowledge this is one of the largest series including IM patients submitted to PT.
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Affiliation(s)
- Alberto Iannalfi
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Giulia Riva
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Sara Lillo
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy.
| | - Lucia Ciccone
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Giulia Fontana
- Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Silvia Molinelli
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Luca Trombetta
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Mario Ciocca
- Medical Physics Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Sara Imparato
- Radiology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Mattia Pecorilla
- Radiology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
| | - Ester Orlandi
- Radiation Oncology Unit, Clinical Department, National Center for Oncological Hadrontherapy (CNAO), Pavia, 27100, Italy
- Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, 27100, Italy
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Gutiérrez-Gálvez L, García-Mendiola T, Lorenzo E, Nuez-Martinez M, Ocal C, Yan S, Teixidor F, Pinheiro T, Marques F, Viñas C. Compelling DNA intercalation through 'anion-anion' anti-coulombic interactions: boron cluster self-vehicles as promising anticancer agents. J Mater Chem B 2024. [PMID: 39141010 DOI: 10.1039/d4tb01177e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2024]
Abstract
Anticancer drugs inhibit DNA replication by intercalating between DNA base pairs, forming covalent bonds with nucleotide bases, or binding to the DNA groove. To develop safer drugs, novel molecular structures with alternative binding mechanisms are essential. Stable boron hydrides offer a promising alternative for cancer therapy, opening up additional options like boron neutron capture therapy based on 10B and thermal neutron beams or proton boron fusion therapy using 11B and proton beams. These therapies are more efficient when the boron compound is ideally located inside cancer cells, particularly in the nucleus. Current cancer treatments often utilize small, polycyclic, aromatic, planar molecules that intercalate between ds-DNA base pairs, requiring only a spacing of approximately 0.34 nm. In this paper, we demonstrate another type of intercalation. Notably, [3,3'-Fe(1,2-C2B9H11)2]-, ([o-FESAN]-), a compact 3D molecule measuring 1.1 nm × 0.6 nm, can as well intercalate by strong non-bonding interactions preferentially with guanine. Unlike known intercalators, which are positive or neutral, [o-FESAN]- is a negative species and when an [o-FESAN]- molecule approaches the negatively charged DNA phosphate chain an anion-anion interaction consistently anti-electrostatic via Ccluster-H⋯O-P bonds occurs. Then, when more molecules approach, an elongated outstandingly self-assembled structure of [o-FESAN]--[o-FESAN]- forms moving anions towards the interthread region to interact with base pairs and form aggregates of four [o-FESAN]- anions per base pair. These aggregates, in this environment, are generated by Ccluster-H⋯O-C, N-H⋯H-B and Ccluster-H⋯H-B interactions. The ferrabis(dicarbollide) boron-rich small molecules not only effectively penetrate the nucleus but also intercalate with ds-DNA, making them promising for cancer treatment. This amphiphilic anionic molecule, used as a carrier-free drug, can enhance radiotherapy in a multimodal perspective, providing healthcare professionals with improved tools for cancer treatment. This work demonstrates these findings with a plethora of techniques.
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Affiliation(s)
- Laura Gutiérrez-Gálvez
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Tania García-Mendiola
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Encarnación Lorenzo
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Miquel Nuez-Martinez
- Institut de Ciència de Materials de Barcelona (C.S.I.C.) Campus U.A.B, 08193 Bellaterra, Barcelona, Spain.
| | - Carmen Ocal
- Institut de Ciència de Materials de Barcelona (C.S.I.C.) Campus U.A.B, 08193 Bellaterra, Barcelona, Spain.
| | - Shunya Yan
- Institut de Ciència de Materials de Barcelona (C.S.I.C.) Campus U.A.B, 08193 Bellaterra, Barcelona, Spain.
| | - Francesc Teixidor
- Institut de Ciència de Materials de Barcelona (C.S.I.C.) Campus U.A.B, 08193 Bellaterra, Barcelona, Spain.
| | - Teresa Pinheiro
- iBB - Instituto de Bioengenharia e Biociências, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
- Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal
| | - Fernanda Marques
- Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal
- C2TN - Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona (C.S.I.C.) Campus U.A.B, 08193 Bellaterra, Barcelona, Spain.
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Sun X, Wu L, Du L, Xu W, Han M. Targeting the organelle for radiosensitization in cancer radiotherapy. Asian J Pharm Sci 2024; 19:100903. [PMID: 38590796 PMCID: PMC10999375 DOI: 10.1016/j.ajps.2024.100903] [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: 10/06/2023] [Revised: 12/29/2023] [Accepted: 01/16/2024] [Indexed: 04/10/2024] Open
Abstract
Radiotherapy is a well-established cytotoxic therapy for local solid cancers, utilizing high-energy ionizing radiation to destroy cancer cells. However, this method has several limitations, including low radiation energy deposition, severe damage to surrounding normal cells, and high tumor resistance to radiation. Among various radiotherapy methods, boron neutron capture therapy (BNCT) has emerged as a principal approach to improve the therapeutic ratio of malignancies and reduce lethality to surrounding normal tissue, but it remains deficient in terms of insufficient boron accumulation as well as short retention time, which limits the curative effect. Recently, a series of radiosensitizers that can selectively accumulate in specific organelles of cancer cells have been developed to precisely target radiotherapy, thereby reducing side effects of normal tissue damage, overcoming radioresistance, and improving radiosensitivity. In this review, we mainly focus on the field of nanomedicine-based cancer radiotherapy and discuss the organelle-targeted radiosensitizers, specifically including nucleus, mitochondria, endoplasmic reticulum and lysosomes. Furthermore, the organelle-targeted boron carriers used in BNCT are particularly presented. Through demonstrating recent developments in organelle-targeted radiosensitization, we hope to provide insight into the design of organelle-targeted radiosensitizers for clinical cancer treatment.
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Affiliation(s)
- Xiaoyan Sun
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University, Hangzhou 310058, China
| | - Linjie Wu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University, Hangzhou 310058, China
| | - Lina Du
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Wenhong Xu
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Afliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Min Han
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Afliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310058, China
- Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua 321299, China
- National Key Laboratory of Advanced Drug Delivery and Release Systems, Zhejiang University, Hangzhou 310058, China
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5
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Marforio TD, Carboni A, Calvaresi M. In Vivo Application of Carboranes for Boron Neutron Capture Therapy (BNCT): Structure, Formulation and Analytical Methods for Detection. Cancers (Basel) 2023; 15:4944. [PMID: 37894311 PMCID: PMC10605826 DOI: 10.3390/cancers15204944] [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: 07/31/2023] [Revised: 09/22/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
Carboranes have emerged as one of the most promising boron agents in boron neutron capture therapy (BNCT). In this context, in vivo studies are particularly relevant, since they provide qualitative and quantitative information about the biodistribution of these molecules, which is of the utmost importance to determine the efficacy of BNCT, defining their localization and (bio)accumulation, as well as their pharmacokinetics and pharmacodynamics. First, we gathered a detailed list of the carboranes used for in vivo studies, considering the synthesis of carborane derivatives or the use of delivery system such as liposomes, micelles and nanoparticles. Then, the formulation employed and the cancer model used in each of these studies were identified. Finally, we examined the analytical aspects concerning carborane detection, identifying the main methodologies applied in the literature for ex vivo and in vivo analysis. The present work aims to identify the current strengths and weakness of the use of carboranes in BNCT, establishing the bottlenecks and the best strategies for future applications.
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Affiliation(s)
| | - Andrea Carboni
- Dipartimento di Chimica “Giacomo Ciamician”, Alma Mater Studiorum—Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy;
| | - Matteo Calvaresi
- Dipartimento di Chimica “Giacomo Ciamician”, Alma Mater Studiorum—Università di Bologna, Via Francesco Selmi 2, 40126 Bologna, Italy;
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Zhang X, Lin Y, Hosmane NS, Zhu Y. Nanostructured boron agents for boron neutron capture therapy: a review of recent patents. MEDICAL REVIEW (2021) 2023; 3:425-443. [PMID: 38283251 PMCID: PMC10811353 DOI: 10.1515/mr-2023-0013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 06/16/2023] [Indexed: 01/30/2024]
Abstract
Boron neutron capture therapy (BNCT) is a potential radiation therapy modality for cancer, and tumor-targeted stable boron-10 (10B) delivery agents are an important component of BNCT. Currently, two low-molecular-weight boron-containing compounds, sodium mercaptoundecahydro-closo-dodecaborate (BSH) and boronophenylalanine (BPA), are mainly used in BNCT. Although both have suboptimal tumor selectivity, they have shown some therapeutic benefit in patients with high-grade glioma and several other tumors. To improve the efficacy of BNCT, great efforts have been devoted for the development of new boron delivery agents with better uptake and favorable pharmacokinetic profiles. This article reviews the application and research progress of boron nanomaterials as boron carriers in boron neutron capture therapy and hopes to stimulate people's interest in nanomaterial-based delivery agents by summarizing various kinds of boron nanomaterial patents disclosed in the past decade.
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Affiliation(s)
- Xiyin Zhang
- Shenzhen HEC Industrial Development Co., Ltd., Shenzhen, Guangdong Province, China
| | - Yusheng Lin
- Shenzhen HEC Industrial Development Co., Ltd., Shenzhen, Guangdong Province, China
| | - Narayan S. Hosmane
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL, USA
| | - Yinghuai Zhu
- Sunshine Lake Pharma Co. Ltd, Dongguan, Guangdong Province, China
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Coghi P, Li J, Hosmane NS, Zhu Y. Next generation of boron neutron capture therapy (BNCT) agents for cancer treatment. Med Res Rev 2023; 43:1809-1830. [PMID: 37102375 DOI: 10.1002/med.21964] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 03/27/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023]
Abstract
Boron neutron capture therapy (BNCT) is one of the most promising treatments among neutron capture therapies due to its long-term clinical application and unequivocally obtained success during clinical trials. Boron drug and neutron play an equivalent crucial role in BNCT. Nevertheless, current clinically used l-boronophenylalanine (BPA) and sodium borocaptate (BSH) suffer from large uptake dose and low blood to tumor selectivity, and that initiated overwhelm screening of next generation of BNCT agents. Various boron agents, such as small molecules and macro/nano-vehicles, have been explored with better success. In this featured article, different types of agents are rationally analyzed and compared, and the feasible targets are shared to present a perspective view for the future of BNCT in cancer treatment. This review aims at summarizing the current knowledge of a variety of boron compounds, reported recently, for the application of BCNT.
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Affiliation(s)
- Paolo Coghi
- School of Pharmacy, Macau University of Science and Technology, Macau, China
| | - Jinxin Li
- School of Pharmacy, Macau University of Science and Technology, Macau, China
| | - Narayan S Hosmane
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois, USA
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Monti Hughes A, Hu N. Optimizing Boron Neutron Capture Therapy (BNCT) to Treat Cancer: An Updated Review on the Latest Developments on Boron Compounds and Strategies. Cancers (Basel) 2023; 15:4091. [PMID: 37627119 PMCID: PMC10452654 DOI: 10.3390/cancers15164091] [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: 07/18/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Boron neutron capture therapy (BNCT) is a tumor-selective particle radiotherapy. It combines preferential boron accumulation in tumors and neutron irradiation. The recent initiation of BNCT clinical trials employing hospital-based accelerators rather than nuclear reactors as the neutron source will conceivably pave the way for new and more numerous clinical trials, leading up to much-needed randomized trials. In this context, it would be interesting to consider the implementation of new boron compounds and strategies that will significantly optimize BNCT. With this aim in mind, we analyzed, in this review, those articles published between 2020 and 2023 reporting new boron compounds and strategies that were proved therapeutically useful in in vitro and/or in vivo radiobiological studies, a critical step for translation to a clinical setting. We also explored new pathologies that could potentially be treated with BNCT and newly developed theranostic boron agents. All these radiobiological advances intend to solve those limitations and questions that arise during patient treatment in the clinical field, with BNCT and other therapies. In this sense, active communication between clinicians, radiobiologists, and all disciplines will improve BNCT for cancer patients, in a cost- and time-effective way.
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Affiliation(s)
- Andrea Monti Hughes
- Radiation Pathology Division, Department Radiobiology, National Atomic Energy Commission, San Martín, Buenos Aires B1650KNA, Argentina
- National Scientific and Technical Research Council, Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Naonori Hu
- Kansai BNCT Medical Center, Osaka Medical and Pharmaceutical University, Osaka 569-8686, Japan;
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka 590-0494, Japan
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Portu AM, Espain MS, Thorp SI, Trivillin VA, Curotto P, Monti Hughes A, Pozzi ECC, Garabalino MA, Palmieri MA, Granell PN, Golmar F, Schwint AE, Saint Martin G. Enhanced Resolution of Neutron Autoradiography with UV-C Sensitization to Study Boron Microdistribution in Animal Models. Life (Basel) 2023; 13:1578. [PMID: 37511953 PMCID: PMC10381447 DOI: 10.3390/life13071578] [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: 05/14/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The assessment of boron microdistribution is essential to evaluate the suitability of boron neutron capture therapy (BNCT) in different biological models. In our laboratory, we have reported a methodology to produce cell imprints on polycarbonate through UV-C sensitization. The aim of this work is to extend the technique to tissue samples in order to enhance spatial resolution. As tissue structure largely differs from cultured cells, several aspects must be considered. We studied the influence of the parameters involved in the imprint and nuclear track formation, such as neutron fluence, different NTDs, etching and UV-C exposure times, tissue absorbance, thickness, and staining, among others. Samples from different biological models of interest for BNCT were used, exhibiting homogeneous and heterogeneous histology and boron microdistribution. The optimal conditions will depend on the animal model under study and the resolution requirements. Both the imprint sharpness and the fading effect depend on tissue thickness. While 6 h of UV-C was necessary to yield an imprint in CR-39, only 5 min was enough to observe clear imprints on Lexan. The information related to microdistribution of boron obtained with neutron autoradiography is of great relevance when assessing new boron compounds and administration protocols and also contributes to the study of the radiobiology of BNCT.
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Affiliation(s)
- Agustina Mariana Portu
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
- School of Science & Technology, National University of San Martín (UNSAM), San Martín B1650JKA, Argentina
| | - María Sol Espain
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
- School of Science & Technology, National University of San Martín (UNSAM), San Martín B1650JKA, Argentina
| | - Silvia Inés Thorp
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Verónica Andrea Trivillin
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Paula Curotto
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
| | - Andrea Monti Hughes
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | | | | | - Mónica Alejandra Palmieri
- Department of Biodiversity and Experimental Biology, Faculty of Exact and Natural Sciences, University of Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1428EGA, Argentina
| | - Pablo Nicolás Granell
- Micro and Nanotechnology Centre of the Bicentennial (CNMB), National Institute of Industrial Technology (INTI), San Martín B1650JKA, Argentina
| | - Federico Golmar
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
- School of Science & Technology, National University of San Martín (UNSAM), San Martín B1650JKA, Argentina
- Micro and Nanotechnology Centre of the Bicentennial (CNMB), National Institute of Industrial Technology (INTI), San Martín B1650JKA, Argentina
| | - Amanda Elena Schwint
- National Atomic Energy Commission (CNEA), San Martín C1429BNP, Argentina
- National Scientific and Technological Research Council (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
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Frydryk Benitez DN, Palmieri MA, Langle YV, Monti Hughes A, Pozzi ECC, Thorp SI, Garabalino MA, Curotto P, Ramos PS, Paparella ML, Polti L, Eiján A, Schwint AE, Trivillin VA. Therapeutic Efficacy, Radiotoxicity and Abscopal Effect of BNCT at the RA-3 Nuclear Reactor Employing Oligo-Fucoidan and Glutamine as Adjuvants in an Ectopic Colon Cancer Model in Rats. Life (Basel) 2023; 13:1538. [PMID: 37511913 PMCID: PMC10381875 DOI: 10.3390/life13071538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/16/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Boron neutron capture therapy (BNCT) is based on the preferential uptake of 10B compounds by tumors, followed by neutron irradiation. The aim of this study was to assess, in an ectopic colon cancer model, the therapeutic efficacy, radiotoxicity, abscopal effect and systemic immune response associated with (BPA/Borophenylalanine+GB-10/Decahydrodecaborate)-BNCT (Comb-BNCT) alone or in combination with Oligo-Fucoidan (O-Fuco) or Glutamine (GLN), compared to the "standard" BPA-BNCT protocol usually employed in clinical trials. All treatments were carried out at the RA-3 nuclear reactor. Boron biodistribution studies showed therapeutic values above 20 ppm 10B in tumors. At 7 weeks post-treatment, the ratio of tumor volume post-/pre-BNCT was significantly smaller for all BNCT groups vs. SHAM (p < 0.05). The parameter "incidence of tumors that underwent a reduction to ≤50% of initial tumor volume" exhibited values of 62% for Comb-BNCT alone, 82% for Comb-BNCT+GLN, 73% for Comb-BNCT+O-Fuco and only 30% for BPA-BNCT. For BPA-BNCT, the incidence of severe dermatitis was 100%, whereas it was significantly below 70% (p ≤ 0.05) for Comb-BNCT, Comb-BNCT+O-Fuco and Comb-BNCT+GLN. Considering tumors outside the treatment area, 77% of Comb-BNCT animals had a tumor volume lower than 50 mm3 vs. 30% for SHAM (p ≤ 0.005), suggesting an abscopal effect of Comb-BNCT. Inhibition of metastatic spread to lymph nodes was observed in all Comb-BNCT groups. Considering systemic aspects, CD8+ was elevated for Comb-BNCT+GLN vs. SHAM (p ≤ 0.01), and NK was elevated for Comb-BNCT vs. SHAM (p ≤ 0.05). Comb-BNCT improved therapeutic efficacy and reduced radiotoxicity compared to BPA-BNCT and induced an immune response and an abscopal effect.
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Affiliation(s)
- Debora N Frydryk Benitez
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - Mónica A Palmieri
- Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Av. Int. Güiraldes 2160, 4 Piso, Pab. II, Ciudad Autónoma de Buenos Aires C1428EGA, Argentina
| | - Yanina V Langle
- Facultad de Medicina, Instituto de Oncología Ángel H. Roffo (IOAHR), Universidad de Buenos Aires, Av. S. Martín 5481, Área de Investigación, Ciudad Autónoma de Buenos Aires C1417DTB, Argentina
| | - Andrea Monti Hughes
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Emiliano C C Pozzi
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - Silvia I Thorp
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - Marcela A Garabalino
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - Paula Curotto
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - Paula S Ramos
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
| | - María L Paparella
- Facultad Odontología, Universidad de Buenos Aires (UBA), M.T. de Alvear 2142, Ciudad Autónoma de Buenos Aires C1122AAH, Argentina
| | - Lucas Polti
- Facultad Odontología, Universidad de Buenos Aires (UBA), M.T. de Alvear 2142, Ciudad Autónoma de Buenos Aires C1122AAH, Argentina
| | - Ana Eiján
- Facultad de Medicina, Instituto de Oncología Ángel H. Roffo (IOAHR), Universidad de Buenos Aires, Av. S. Martín 5481, Área de Investigación, Ciudad Autónoma de Buenos Aires C1417DTB, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Amanda E Schwint
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
| | - Verónica A Trivillin
- Comisión Nacional de Energía Atómica (CNEA), Av. General Paz 1499, San Martin, Buenos Aires C1650KNA, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires C1425FQB, Argentina
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Laird M, Matsumoto K, Higashi Y, Komatsu A, Raitano A, Morrison K, Suzuki M, Tamanoi F. Organosilica nanoparticles containing sodium borocaptate (BSH) provide new prospects for boron neutron capture therapy (BNCT): efficient cellular uptake and enhanced BNCT efficacy. NANOSCALE ADVANCES 2023; 5:2537-2546. [PMID: 37143818 PMCID: PMC10153076 DOI: 10.1039/d2na00839d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 03/20/2023] [Indexed: 05/06/2023]
Abstract
Boron neutron capture therapy (BNCT), a method based on the fission of boron-10 upon neutron irradiation, has emerged as an attractive option for radiation therapy. To date, the main drugs used in BNCT are 4-boronophenylalanine (BPA) and sodium borocaptate (BSH). While BPA has been extensively tested in clinical trials, the use of BSH has been limited, mainly due to its poor cellular uptake. Here, we describe a novel type of mesoporous silica-based nanoparticle containing BSH covalently attached to a nanocarrier. Synthesis and characterization of these nanoparticles (BSH-BPMO) are presented. The synthetic strategy involves a click thiol-ene reaction with the boron cluster, providing hydrolytically stable linkage with the BSH in four steps. The BSH-BPMO nanoparticles were efficiently taken up into cancer cells and accumulated in the perinuclear region. Inductively coupled plasma (ICP) measurements of boron uptake in cells highlight the important role of the nanocarrier in the enhancement of boron internalization. BSH-BPMO nanoparticles were also taken up and distributed throughout tumour spheroids. BNCT efficacy was examined by the neutron exposure of the tumour spheroids. BSH-BPMO loaded spheroids were completely destroyed upon neutron irradiation. In contrast, neutron irradiation of tumour spheroids loaded with BSH or BPA resulted in significantly less spheroid shrinkage. The significant difference in BNCT efficacy of the BSH-BPMO was correlated with the improved boron uptake via the nanocarrier. Overall, these results demonstrate the critical role of the nanocarrier in BSH internalization and the enhanced BNCT efficacy of the BSH-BPMO compared with BSH and BPA, two drugs used in BNCT clinical trials.
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Affiliation(s)
- Mathilde Laird
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Kyoto 606-8501 Japan
| | - Kotaro Matsumoto
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Kyoto 606-8501 Japan
| | - Yuya Higashi
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Kyoto 606-8501 Japan
| | - Aoi Komatsu
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Kyoto 606-8501 Japan
| | - Art Raitano
- TAE Life Sciences, Drug Development Division Santa Monica CA 90404 USA
| | - Kendall Morrison
- TAE Life Sciences, Drug Development Division Santa Monica CA 90404 USA
| | - Minoru Suzuki
- Institute for Integrated Radiation and Nuclear Science, Kyoto University Kumatori 590-0494 Japan
| | - Fuyuhiko Tamanoi
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University Kyoto 606-8501 Japan
- Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles USA
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12
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Wang S, Zhang Z, Miao L, Zhang J, Tang F, Teng M, Li Y. Construction of targeted 10B delivery agents and their uptake in gastric and pancreatic cancer cells. Front Oncol 2023; 13:1105472. [PMID: 36845737 PMCID: PMC9947830 DOI: 10.3389/fonc.2023.1105472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/30/2023] [Indexed: 02/11/2023] Open
Abstract
Boron Neutron Capture Therapy (BNCT) is a new binary radiation therapy for tumor tissue, which kills tumor cells with neutron capture reaction. Boron neutron capture therapy has become a technical means for glioma, melanoma, and other diseases has been included in the clinical backup program. However, BNCT is faced with the key problem of developing and innovating more efficient boron delivery agents to solve the targeting and selectivity. We constructed a tyrosine kinase inhibitor-L-p-boronophenylalanine (TKI-BPA) molecule, aiming to improve the selectivity of boron delivery agents by conjugating targeted drugs while increasing the molecular solubility by adding hydrophilic groups. It shows excellent selectivity in differential uptake of cells, and its solubility is more than 6 times higher than BPA, leading to the saving of boron delivery agents. This modification method is effective for improving the efficiency of the boron delivery agent and is expected to become a potential alternative with high clinical application value.
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Affiliation(s)
- Song Wang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Zhengchao Zhang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Lele Miao
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Jiaxing Zhang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Futian Tang
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Muzhou Teng
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China,*Correspondence: Yumin Li, ; Muzhou Teng,
| | - Yumin Li
- Department of General Surgery, Second Hospital of Lanzhou University, Lanzhou, China,Key Laboratory of the Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China,*Correspondence: Yumin Li, ; Muzhou Teng,
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13
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Recent Development of Radiofluorination of Boron Agents for Boron Neutron Capture Therapy of Tumor: Creation of 18F-Labeled C-F and B-F Linkages. Pharmaceuticals (Basel) 2023; 16:ph16010093. [PMID: 36678590 PMCID: PMC9866017 DOI: 10.3390/ph16010093] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/27/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
Boron neutron capture therapy (BNCT) is a binary therapeutic technique employing a boron agent to be delivered to the tumor site followed by the irradiation of neutrons. Biofunctional molecules/nanoparticles labeled with F-18 can provide an initial pharmacokinetic profile of patients to guide the subsequent treatment planning procedure of BNCT. Borono phenylalanine (BPA), recognized by the l-type amino acid transporter, can cross the blood-brain barrier and be accumulated in gliomas. The radiofluoro BNCT agents are reviewed by considering (1) less cytotoxicity, (2) diagnosing and therapeutic purposes, (3) aqueous solubility and extraction route, as well as (4), the trifluoroborate effect. A trifluoroborate-containing amino acid such as fluoroboronotyrosine (FBY) represents an example with both functionalities of imaging and therapeutics. Comparing with the insignificant cytotoxicity of clinical BPA with IC50 > 500 μM, FBY also shows minute toxicity with IC50 > 500 μM. [18F]FBY is a potential diagnostic agent for its tumor to normal accumulation (T/N) ratio, which ranges from 2.3 to 24.5 from positron emission tomography, whereas the T/N ratio of FBPA is greater than 2.5. Additionally, in serving as a BNCT therapeutic agent, the boron concentration of FBY accumulated in gliomas remains uncertain. The solubility of 3-BPA is better than that of BPA, as evidenced by the cerebral dose of 3.4%ID/g vs. 2.2%ID/g, respectively. While the extraction route of d-BPA differs from that of BPA, an impressive T/N ratio of 6.9 vs. 1.5 is noted. [18F]FBPA, the most common clinical boron agent, facilitates the application of BPA in clinical BNCT. In addition to [18F]FBY, [18F] trifluoroborated nucleoside analog obtained through 1,3-dipolar cycloaddition shows marked tumoral uptake of 1.5%ID/g. Other examples using electrophilic and nucleophilic fluorination on the boron compounds are also reviewed, including diboronopinacolone phenylalanine and nonsteroidal anti-inflammatory agents.
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14
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Monti Hughes A, Schwint AE. Animal Tumor Models for Boron Neutron Capture Therapy Studies (Excluding Central Nervous System Solid Tumors). Cancer Biother Radiopharm 2022. [PMID: 36130136 DOI: 10.1089/cbr.2022.0054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Translational research in adequate experimental models is necessary to optimize boron neutron capture therapy (BNCT) for different pathologies. Multiple radiobiological in vivo studies have been performed in a wide variety of animal models, studying multiple boron compounds, routes of compound administration, and a range of administration strategies. Animal models are useful for the study of the stability and potential toxicity of new boron compounds or delivery systems, BNCT theranostic strategies, the evaluation of biomarkers to monitor BNCT therapeutic and adverse effects, and to study the BNCT immune response by the host against tumor cells. This article will mention examples of these studies, highlighting the importance of experimental animal models for the advancement of BNCT. Animal models are essential to design novel, safe, and effective clinical BNCT protocols for existing or new targets for BNCT.
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Affiliation(s)
- Andrea Monti Hughes
- Departamento de Radiobiología, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica (CNEA), Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Amanda E Schwint
- Departamento de Radiobiología, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica (CNEA), Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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