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Revealing three stages of dna-cisplatin reaction by a solid-state nanopore
Zhou, Zhi1,2; Hu, Ying1,2; Shan, Xinyan1,2; Li, Wei1,2; Bai, Xuedong1,2,3; Wang, Pengye1,2; Lu, Xinghua1,2,3
刊名Scientific reports
2015-07-07
卷号5页码:9
ISSN号2045-2322
DOI10.1038/srep11868
通讯作者Lu, xinghua(xhlu@iphy.ac.cn)
英文摘要The dynamic structural behavior in dna due to interaction with cisplatin is essential for the functionality of platinum-based anti-cancer drugs. here we report a novel method to monitor the interaction progress in dna-cisplatin reaction in real time with a solid-state nanopore. the interaction processes are found to be well elucidated by the evolution of the capture rate of dna-cisplatin complex, which is defined as the number of their translocation events through the nanopore in unit time. in the first stage, the capture rate decreases rapidly due to dna discharging as the positive-charged hydrated cisplatin molecules initially bond to the negative-charged dna and form mono-adducts. in the second stage, by forming di-adducts, the capture rate increases as dna molecules are softened, appears as the reduced persistence length of the dna-cisplatin adducts. in the third stage, the capture rate decreases again as a result of dna aggregation. our study demonstrates a new single-molecule tool in exploring dynamic behaviors during drug-dna reactions and may have future application in fast drug screening.
WOS关键词METAL-COMPLEXES ; SINGLE ; MOLECULES ; ADDUCTS ; CANCER
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
语种英语
出版者NATURE PUBLISHING GROUP
WOS记录号WOS:000357453300002
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2374061
专题物理研究所
通讯作者Lu, Xinghua
作者单位1.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
3.Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Zhou, Zhi,Hu, Ying,Shan, Xinyan,et al. Revealing three stages of dna-cisplatin reaction by a solid-state nanopore[J]. Scientific reports,2015,5:9.
APA Zhou, Zhi.,Hu, Ying.,Shan, Xinyan.,Li, Wei.,Bai, Xuedong.,...&Lu, Xinghua.(2015).Revealing three stages of dna-cisplatin reaction by a solid-state nanopore.Scientific reports,5,9.
MLA Zhou, Zhi,et al."Revealing three stages of dna-cisplatin reaction by a solid-state nanopore".Scientific reports 5(2015):9.
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