Efficient RNA-targeting by the introduction of aromatic stacking in the duplex major groove via 5-(1-phenyl-1,2,3-triazol-4-yl)-2′-deoxyuridines

被引:37
作者
Andersen, Nicolai Krog [2 ]
Chandak, Navneet [1 ]
Brulikova, Lucie [2 ]
Kumar, Pawan [1 ]
Jensen, Michael Dalager [2 ]
Jensen, Frank [3 ]
Sharma, Pawan K. [1 ]
Nielsen, Poul [2 ]
机构
[1] Kurukshetra Univ, Dept Chem, Kurukshetra 136119, Haryana, India
[2] Univ So Denmark, Dept Chem & Phys, Nucle Acid Ctr, DK-5230 Odense M, Denmark
[3] Aarhus Univ, Dept Chem, DK-8000 Aarhus, Denmark
基金
新加坡国家研究基金会;
关键词
Oligonucleotides; pi-pi-Stacking; Click chemistry; RNA-targeting; NUCLEIC-ACID NANOTECHNOLOGY; ANTISENSE GENE INHIBITION; CLICK CHEMISTRY; TERMINAL ALKYNES; FORCE-FIELD; OLIGONUCLEOTIDES; AZIDES; OLIGODEOXYNUCLEOTIDES; PROTEINS; ANALOGS;
D O I
10.1016/j.bmc.2010.05.019
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Three pyrimidine nucleosides with differently substituted phenyltriazoles attached to the 5-position were prepared by Cu(I)-assisted azide-alkyne cycloadditions (CuAAC) and incorporated into oligonucleotides. Efficient pi-pi-stacking between two or more phenyltriazoles in the major groove was found to increase the thermal stability of a DNA: RNA duplex significantly. The best stacking, and most stable duplex, was obtained by a sulfonamide substituted derivative. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4702 / 4710
页数:9
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