Radiosensitization of DNA in presence of Pt(II)-based compounds
Radiosensitization of DNA in presence of Pt(II)-based compounds
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Pt(II) 基化合物存在下 DNA 的放射增敏
DOI:
10.1140/epjd/e2014-40846-7
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Smialek M
中科院分区:
文献类型:
--
作者:
Smialek M
X-ray irradiation of plasmid DNA in presence of platinum (II)-based compounds was carried out in order to assess the radiosensitization capabilities of these drugs. In present investigations pBR322 plasmid DNA was used to monitor the effectiveness of chosen compounds in inducing strand breaks. Samples were incubated in the presence of potential radiosensitisers: platinum (II) bromide and cis-diamminedibromoplatinum (II). The results were examined against a common cancer chemotherapy drug cis-diamminedichloroplatinum (II). It was found that platinum (II) bromide can greatly increase the levels of single- and double-strand break formation observed in the irradiated samples with respect to the samples containing platinum as a radiosensitizer only, possessing very little chemotherapeutic activity. The suggested drugs exhibit much higher level of radiosensitivity than widely used cisplatin and thus may be good candidates for cancer treatment.
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