Real-time monitoring of DNA G-quadruplexes in living cells with a small-molecule fluorescent probe.
Real-time monitoring of DNA G-quadruplexes in living cells with a small-molecule fluorescent probe.
复制标题
使用小分子荧光探针实时监测活细胞中的 DNA G 四链体
DOI:
10.1093/nar/gky665
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发表时间:
2018-09-06
影响因子:
14.9
通讯作者:
Tang Y
中科院分区:
文献类型:
--
作者:
Zhang S;Sun H;Wang L;Liu Y;Chen H;Li Q;Guan A;Liu M;Tang Y
Abstract G-quadruplex DNA has been viewed as a prospective anti-cancer target owing to its potential biological relevance. Real-time monitoring of DNA G-quadruplex structures in living cells can provide valuable insights into the relationship between G-quadruplex formation and its cellular consequences. However, the probes capable of detecting DNA G-quadruplexes in living cells are still very limited. Herein, we reported a new fluorescent probe, IMT, for real-time visualization of DNA G-quadruplex structures in living cells. Using IMT as a fluorescent indicator, the quantity changes of DNA G-quadruplex at different points in time during continuous cellular progression responding to Aphidicolin and Hydroxyurea treatment have been directly visualized. Our data demonstrate that IMT will be a valuable tool for exploring DNA G-quadruplexes in live cells. Further application of IMT in fluorescence imaging may reveal more information on the roles of DNA G-quadruplexes in biological systems.
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