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α-particle therapy for synovial sarcoma in the mouse using an astatine-211-labeled antibody against frizzled homolog 10
https://repo.qst.go.jp/records/49225
https://repo.qst.go.jp/records/49225ff9afbc0-204a-4f28-99da-a1db06719470
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-07-09 | |||||
タイトル | ||||||
タイトル | α-particle therapy for synovial sarcoma in the mouse using an astatine-211-labeled antibody against frizzled homolog 10 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Li, Huizi
× Li, Huizi× Sugyo, Aya× Tsuji, Atsushi× Morokoshi, Yukie× Minegishi, Katsuyuki× Nagatsu, Kotaro× Kanda, Hiroaki× Harada, Yosuke× Nagayama, Satoshi× Katagiri, Toyomasa× Nakamura, Yusuke× Higashi, Tatsuya× Hasegawa, Sumitaka× Li, Huizi× Aya, Sugyo× Atsushi, Tsuji× Yukie, Morokoshi× Katsuyuki, Minegishi× Kotaro, Nagatsu× Tatsuya, Higashi× Sumitaka, Hasegawa |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Synovial sarcoma (SS) is a rare yet refractory soft-tissue sarcoma that predominantly affects young adults. We show in a mouse model that radioimmunotherapy (RIT) with an α-particle emitting anti-Frizzled homolog 10 (FZD10) antibody, synthesized using the α-emitter radionuclide astatine-211 (211At-OTSA101), suppresses the growth of SS xenografts more efficiently than the corresponding β-particle emitting anti-FZD10 antibody conjugated with the β-emitter yettrium-90 (90Y-OTSA101). In biodistribution analysis, 211At was increased in the SS xenografts but decreased in other tissues up to 1 day after injection as time proceeded, albeit with a relatively higher uptake in the stomach. Single 211At-OTSA101 doses of 25 and 50 μCi significantly suppressed SS tumor growth in vivo, whereas a 50 μCi dose of 90Y-OTSA101 was needed to achieve this. Importantly, 50 μCi of 211At-OTSA101 suppressed tumor growth immediately after injection, whereas this effect required several days in the case of 90Y-OTSA101. Both radiolabeled antibodies at the 50 μCi dosage level significantly prolonged survival. Histopathologically, severe cellular damage accompanied by massive cell death was evident in the SS xenografts at even 1 day after the 211At-OTSA101 injection but these effects were relatively milder with 90Y-OTSA101 at the same timepoint, even though the absorbed doses were comparable (3.3 and 3.0 Gy, respectively). We conclude that α-particle RIT with 211At-OTSA101 is a potential new therapeutic option for SS. | |||||
書誌情報 |
Cancer Science 巻 109, 号 7, p. 2302-2309, 発行日 2020-06 |
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出版者 | ||||||
出版者 | Wiley | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-9032 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1111/cas.13636 |