A high-throughput screening assay for mutant isocitrate dehydrogenase 1 using acoustic droplet ejection mass spectrometry

被引:6
|
作者
Speckmeier, Elisabeth [1 ]
Pommereau, Antje [1 ]
Grosser, Kay-Christoph [1 ]
Mors, Hartmut [1 ]
Maier, Thomas C. [1 ]
Licher, Thomas [1 ]
Baerenz, Felix [1 ]
机构
[1] Sanofi, Ind Pk Hoechst, Integrated Drug Discovery, Frankfurt, Germany
关键词
Isocitrate dehydrogenase type 1 (IDH1); IDH1 R132H inhibitors; Acoustic droplet ejection mass spectrometry (ADE-MS); Echo-MS; Open port interface; Label-free high throughput screening; Drug discovery; PORT SAMPLING INTERFACE; IDH1; INHIBITION;
D O I
10.1016/j.slasd.2022.04.002
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Acoustic droplet ejection mass spectrometry (ADE-MS) has recently emerged as a promising label-free, MS-based readout method for high throughput screening (HTS) campaigns in early pharmaceutical drug discovery, since it enables high-speed analysis directly from 384- or 1536-well plates. In this manuscript we describe our characterization of an ADE-MS based high sample content enzymatic assay for mutant isocitrate dehydrogenase 1 (IDH1) R132H with a strong focus on assay development. IDH1 R132H has become a very attractive therapeutic target in the field of antitumor drug discovery, and several pharmaceutical companies have attempted to develop novel small molecule inhibitors against mutant IDH1. With the development of an mIDH1 ADE-MS based HTS assay and a detailed comparison of this new readout technique to the commonly used fluorescence intensity mIDH1 assay, we demonstrated good correlation of both methods and were able to identify new potent inhibitors of mIDH1.
引用
收藏
页码:298 / 305
页数:8
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