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首页> 外文期刊>Radiotherapy and oncology: Journal of the European Society for Therapeutic Radiology and Oncology >Gemcitabine radiosensitizes multiple myeloma cells to low let, but not high let, irradiation.
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Gemcitabine radiosensitizes multiple myeloma cells to low let, but not high let, irradiation.

机译:吉西他滨使多发性骨髓瘤细胞对低辐射(而不是高辐射)辐射敏感。

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摘要

The radiosensitizing properties of gemcitabine in relation to low Linear Energy Transfer (LET) particles (Cobalt 60) and high-LET particles (alpha-RIT (213)Bi-radiolabeled CHX-DTPA-B-B4) were analyzed. Three multiple myeloma cell lines (LP1, RPMI 8226, U266) were irradiated with or without 10 nM gemcitabine 24 h prior to radiation. Gemcitabine led to radiosensitization of LP1 and U266 cells with low-LET (Radiation Enhancement Ratio: 1.55 and 1.49, respectively) but did not radiosensitize any cell line when combined with high-LET.
机译:分析了吉西他滨相对于低线性能量转移(LET)粒子(钴60)和高LET粒子(α-RIT(213)Bi-放射性标记的CHX-DTPA-B-B4)的放射增敏特性。在辐射前24小时,用或不用10 nM吉西他滨照射三种多发性骨髓瘤细胞系(LP1,RPMI 8226,U266)。吉西他滨以低LET导致LP1和U266细胞放射增敏(辐射增强比分别为1.55和1.49),但与高LET结合使用时未对任何细胞系进行放射增敏。

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