Development of a FRET-based High-Throughput Screening System for the Discovery of Hsp90 Inhibitors
作者:Sang-Mi Oh、Yeon-Jin Ko、Han-Jae Lee、Jong-Hoon Kim、Young-Sun Chung、Seung-Bum Park
DOI:10.5012/bkcs.2011.32.9.3229
日期:2011.9.20
A FRET-based high-throughput screening system was developed for the discovery of competitive smallmolecule Hsp90 inhibitors. The biarsenical fluorescein derivative FlAsH and dabcyl-conjugated Hsp90 inhibitor GM were employed as the FRET donor and quencher, respectively. The spatial proximity perturbation between FlAsH-labeled Hsp90N and GM-dabcyl upon treatment of a small molecule led to changes in the FRET-induced fluorescence, monitored in a high-throughput fashion.
为发现竞争性小分子 Hsp90 抑制剂,我们开发了一种基于 FRET 的高通量筛选系统。该系统采用生物酶荧光素衍生物 FlAsH 和 Dabcyl 结合物 Hsp90 抑制剂 GM 分别作为 FRET 供体和淬灭剂。在处理小分子时,FlAsH 标记的 Hsp90N 和 GM-dabcyl 之间的空间邻近性扰动导致 FRET 诱导的荧光发生变化,并以高通量方式进行监测。