Anticancer research · 2016
Novel Hyaluronan Formulation Enhances the Efficacy of Boron Neutron Capture Therapy for Murine Mesothelioma.
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Sasai Masao, Nakamura Hiroyuki, Sougawa Nagako, Sakurai Yoshinori, Suzuki Minoru, Lee Chun Man
Аннотация
BACKGROUND: Malignant pleural mesothelioma (MPM) is a refractory cancer of the pleura caused by asbestos exposure. MPM is difficult to treat because it easily disseminates. Boron neutron capture therapy (BNCT) is a radiotherapy in which cancer cells that selectively take up (10)Boron-containing compounds are destroyed, and normal cells are uninjured. Hyaluronan (HA) is a ligand of cluster of differentiation 44 (CD44), that is expressed on MPM cells.
MATERIALS AND METHODS: In order to enhance BNCT for MPM tumors, we developed a novel HA-containing (10)B (sodium borocaptate: BSH) formulation (HA-BND-S). We examined the efficacy of HA-BND-S using MPM cells and a mouse MPM model.
RESULTS: HA-BND-S preferentially bound MPM cells dose-dependently, and increased the cytotoxicity of BNCT compared to BSH in vitro. HA-BND-S administration significantly increased the survival of MPM tumor-bearing mice compared to BSH at the same (10)B dosage in BNCT.
CONCLUSION: Modifying BSH with HA is a promising strategy for enhancing the efficacy of BNCT for therapy of MPM.
MATERIALS AND METHODS: In order to enhance BNCT for MPM tumors, we developed a novel HA-containing (10)B (sodium borocaptate: BSH) formulation (HA-BND-S). We examined the efficacy of HA-BND-S using MPM cells and a mouse MPM model.
RESULTS: HA-BND-S preferentially bound MPM cells dose-dependently, and increased the cytotoxicity of BNCT compared to BSH in vitro. HA-BND-S administration significantly increased the survival of MPM tumor-bearing mice compared to BSH at the same (10)B dosage in BNCT.
CONCLUSION: Modifying BSH with HA is a promising strategy for enhancing the efficacy of BNCT for therapy of MPM.