NS-187, a potent and selective dual Bcr-Abl/Lyn tyrosine kinase inhibitor, is a novel agent for imatinib-resistant leukemia
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- Shinya Kimura
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Haruna Naito
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Hidekazu Segawa
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Junya Kuroda
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Takeshi Yuasa
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Kiyoshi Sato
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Asumi Yokota
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Yuri Kamitsuji
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Eri Kawata
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Eishi Ashihara
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Yohei Nakaya
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Haruna Naruoka
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Tatsushi Wakayama
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Kimio Nasu
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Tetsuo Asaki
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Tomoko Niwa
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Kazuko Hirabayashi
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
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- Taira Maekawa
- From the Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan; and Discovery Research Laboratories, Nippon Shinyaku Co, Ltd, Kyoto, Japan.
抄録
<jats:p>Although the Abelson (Abl) tyrosine kinase inhibitor imatinib mesylate has improved the treatment of breakpoint cluster region–Abl (Bcr-Abl)–positive leukemia, resistance is often reported in patients with advanced-stage disease. Although several Src inhibitors are more effective than imatinib and simultaneously inhibit Lyn, whose overexpression is associated with imatinib resistance, these inhibitors are less specific than imatinib. We have identified a specific dual Abl-Lyn inhibitor, NS-187 (elsewhere described as CNS-9), which is 25 to 55 times more potent than imatinib in vitro. NS-187 is also at least 10 times as effective as imatinib in suppressing the growth of Bcr-Abl–bearing tumors and markedly extends the survival of mice bearing such tumors. The inhibitory effect of NS-187 extends to 12 of 13 Bcr-Abl proteins with mutations in their kinase domain but not to T315I. NS-187 also inhibits Lyn without affecting the phosphorylation of Src, Blk, or Yes. These results suggest that NS-187 may be a potentially valuable novel agent to combat imatinib-resistant Philadelphia-positive (Ph+) leukemia.</jats:p>
収録刊行物
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- Blood
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Blood 106 (12), 3948-3954, 2005-12-01
American Society of Hematology
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詳細情報 詳細情報について
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- CRID
- 1361699995036079744
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- NII論文ID
- 30022501350
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- ISSN
- 15280020
- 00064971
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