Lung metastasis suppression of the bifunctional new radiosensitizer KIN-806.
KIN-806 is one of the newly developed 2-nitroimidazole derivative hypoxic cell radiosensitizers. The tumor growth control and the suppression of lung metastasis induced by KIN-806 were evaluated. Female C3H/He mice and SCCVII tumor cells were used. 30 Gy or 40 Gy was delivered as local irradiation. 0.2 g/kg or 0.4 g/kg KIN-806 was administered 30 min before this treatment to the KIN-806 administered groups. The enhancement ratio of KIN-806 evaluated using the growth delay method was 1.8. KIN-806 showed an excellent effect as a radiosensitizer. Furthermore, KIN-806 suppressed lung metastasis regardless of radiation, and the control of the metastatic lung nodules did not depend on the irradiation dose but rather on the KIN-806 dose (0.2 g/kg < 0.4 g/kg). KIN-806 is a promising bifunctional radiosensitizer which promotes anti-tumor activity in addition to having a radiosensitizing effect.
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Document Type: Research Article
Affiliations: Department of Radiology, Kochi Medical School, Kohasu, Oko-cho, Nankoku-city, Kochi 783-8505, Japan.
Publication date: September 1, 1999
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- The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.
The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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