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- Title
Efficacy of Boron Neutron Capture Therapy in Primary Central Nervous System Lymphoma: In Vitro and In Vivo Evaluation.
- Authors
Yoshimura, Kohei; Kawabata, Shinji; Kashiwagi, Hideki; Fukuo, Yusuke; Takeuchi, Koji; Futamura, Gen; Hiramatsu, Ryo; Takata, Takushi; Tanaka, Hiroki; Watanabe, Tsubasa; Suzuki, Minoru; Hu, Naonori; Miyatake, Shin-Ichi; Wanibuchi, Masahiko
- Abstract
Background: Boron neutron capture therapy (BNCT) is a nuclear reaction-based tumor cell-selective particle irradiation method. High-dose methotrexate and whole-brain radiation therapy (WBRT) are the recommended treatments for primary central nervous system lymphoma (PCNSL). This tumor responds well to initial treatment but relapses even after successful treatment, and the prognosis is poor as there is no safe and effective treatment for relapse. In this study, we aimed to conduct basic research to explore the possibility of using BNCT as a treatment for PCNSL. Methods: The boron concentration in human lymphoma cells was measured. Subsequently, neutron irradiation experiments on lymphoma cells were conducted. A mouse central nervous system (CNS) lymphoma model was created to evaluate the biodistribution of boron after the administration of borono-phenylalanine as a capture agent. In the neutron irradiation study of a mouse PCNSL model, the therapeutic effect of BNCT on PCNSL was evaluated in terms of survival. Results: The boron uptake capability of human lymphoma cells was sufficiently high both in vitro and in vivo. In the neutron irradiation study, the BNCT group showed a higher cell killing effect and prolonged survival compared with the control group. Conclusions: A new therapeutic approach for PCNSL is urgently required, and BNCT may be a promising treatment for PCNSL. The results of this study, including those of neutron irradiation, suggest success in the conduct of future clinical trials to explore the possibility of BNCT as a new treatment option for PCNSL.
- Subjects
BORON-neutron capture therapy; CENTRAL nervous system; LYMPHOMAS; TREATMENT effectiveness
- Publication
Cells (2073-4409), 2021, Vol 10, Issue 12, p3398
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells10123398