Cisplatin induced intermediate filament reorganization and altered mitochondrial function in 3T3 cells and drug-sensitive and -resistant Walker 256 cells.

Cisplatin induced intermediate filament reorganization and altered mitochondrial function in 3T3 cells and drug-sensitive and -resistant Walker 256 cells.
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顺铂诱导 3T3 细胞和药物敏感且耐药的 Walker 256 细胞中的中间丝重组并改变线粒体功能。

DOI:
10.1006/excr.1998.4250
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发表时间:
1998
期刊:
Experimental cell research.
影响因子:
--
通讯作者:
Simpkins,H
Simpkins,H
中科院分区:
--
文献类型:
--
作者:
Evans,RM;Simpkins,H

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顺铂对细胞骨架的中间丝组分的组织以及培养的3T3细胞的线粒体功能具有急性但可逆的作用。这些作用不涉及总细胞或细胞骨架蛋白合成的重大变化,似乎与药物产生的长期细胞毒性不同。用相似浓度的第二代铂化合物处理的细胞,其具有降低的肾毒性体内效应,不表现出中间丝组织或线粒体罗丹明123荧光的改变。对大鼠步行者256细胞的顺铂敏感和耐药系的类似研究表明,药物诱导的中间丝塌陷和线粒体罗丹明123荧光降低与这些细胞对顺铂致死作用的敏感性相关。
Cisplatin has acute but reversible effects on the organization of the intermediate filament component of the cytoskeleton as well as the mitochondrial function of cultured 3T3 cells. These effects do not involve major changes in total cell or cytoskeletal protein synthesis and appear to be distinct from the long-term cytotoxicity produced by the drug. Cells treated with similar concentrations of second-generation platinum compounds, which have reduced nephrotoxic effectsin vivo,do not exhibit alterations in intermediate filament organization nor mitochondrial rhodamine 123 fluorescence. Similar studies with cisplatin-sensitive and -resistant lines of rat Walker 256 cells indicated that the drug-induced intermediate filament collapse and decreased mitochondrial rhodamine 123 fluorescence correlated with the susceptibility of these cells to the lethal effects of cisplatin.
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