Enhanced cytotoxicity of antineoplastic agents following prolonged exposure to misonidazole.

Enhanced cytotoxicity of antineoplastic agents following prolonged exposure to misonidazole.
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长期接触米索硝唑后抗肿瘤药物的细胞毒性增强。

DOI:
10.1038/bjc.1981.171
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发表时间:
1981
影响因子:
8.8
通讯作者:
Hall,EJ
Hall,EJ
中科院分区:
医学1区
文献类型:
--
作者:
Roizin-Towle,LA;Hall,EJ

文献摘要

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用体外培养的中国仓鼠V79细胞研究了米索咪唑(MISO)长期处理后各种抗癌药物的细胞毒性。细胞对博来霉素(BLM)、美法仑或顺式铂(cis-DDP)的敏感性通过在低氧条件下预先与MISO孵育而显著增加。当半胱胺,自由基清除剂,存在于预处理与MISO,这种增强的细胞毒性大大降低。这些实验表明,MISO凭借其对缺氧细胞的选择性毒性和其增强抗肿瘤药物对细胞的杀伤作用,可以在癌症化疗中发挥重要作用。
Chinese hamster V79 cells cultured in vitro were used to investigated the cytotoxicity of various anti-cancer drugs subsequent to a prolonged treatment of the cells with Misonidazole (MISO). The sensitivity of the cells to Bleomycin (BLM), Melphalan or cis-Platinum (cis-DDP) was significantly increased by prior incubation with MISO under hypoxic conditions. When cysteamine, a radical scavenger, was present during the pretreatment with MISO, this enhancement of cytotoxicity was greatly reduced. These experiments, suggest that MISO by virtue of its selective toxicity towards hypoxic cells and its enhancement of cell killing by anti-neoplastic drugs, can play an important role in cancer chemotherapy.
潜在的生物还原烷基化剂
DOI: --
发表时间: 1976
期刊:
影响因子: --
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