Selective probes targeting c-MYC Pu22 G-quadruplex and their application in live mice imaging

被引：7

作者：

Yu, Zhuo ^{[1
,2
]}

Huang, Wenbo ^{[1
]}

Shi, Liqiao ^{[1
]}

Ke, Shaoyong ^{[1
]}

Xu, Shengzhen ^{[2
]}

机构：

[1] Hubei Acad Agr Sci, Natl Biopesticide Engn Res Ctr, Hubei Biopesticide Engn Res Ctr, Wuhan 430064, Peoples R China

[2] Huazhong Agr Univ, Coll Sci, Wuhan 430070, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2022年 / 33卷 / 03期

关键词：

Benthiazole; Conjugated system; Chemosensor; G-quadruplex DNA; In vivo imaging; HYBRID G-QUADRUPLEX; FLUORESCENT-PROBE; THIOFLAVIN-T; SMALL-MOLECULE; RECOGNITION; DNA; BINDING; PROMOTER; FLUOROPHORE; THIAZOLE;

D O I：

10.1016/j.cclet.2021.09.087

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Several probes containing benzothiazole-guided conjugated systems (BGCS) were designed and synthesized, and two molecules (BGCS5 and BGCS6) of which were discovered as selective probes targeting c-MYC Pu22 G-quadruplex DNA. The fluorescence intensity of BGCS5 and BGCS6 in the presence of c-MYC Pu22 far exceeds that of the typical G4 probe TO1. Especially, the fluorescence of BGCS6 increased almost 193-fold in the presence of c-MYC Pu22 G4 compared to that alone in aqueous buffer condition with almost no fluorescence and 10-30 folds than those in the presence of other DNAs, which will be useful tools for disease detection in mammals. (C) 2021 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.

引用

页码：1627 / 1631

页数：5

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