Abstract:
:Mutations of isocitrate dehydrogenase 1 (IDH1) are frequently found in certain cancers such as glioma. Different from the wild-type (WT) IDH1, the mutant enzymes catalyze the reduction of α-ketoglutaric acid to d-2-hydroxyglutaric acid (D2HG), leading to cancer initiation. Several 1-hydroxypyridin-2-one compounds were identified to be inhibitors of IDH1(R132H). A total of 61 derivatives were synthesized, and their structure-activity relationships were investigated. Potent IDH1(R132H) inhibitors were identified with Ki values as low as 140 nM, while they possess weak or no activity against WT IDH1. Activities of selected compounds against IDH1(R132C) were found to be correlated with their inhibitory activities against IDH1(R132H), as well as cellular production of D2HG, with R(2) of 0.83 and 0.73, respectively. Several inhibitors were found to be permeable through the blood-brain barrier in a cell-based model assay and exhibit potent and selective activity (EC50 = 0.26-1.8 μM) against glioma cells with the IDH1 R132H mutation.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Liu Z,Yao Y,Kogiso M,Zheng B,Deng L,Qiu JJ,Dong S,Lv H,Gallo JM,Li XN,Song Ydoi
10.1021/jm500660fsubject
Has Abstractpub_date
2014-10-23 00:00:00pages
8307-18issue
20eissn
0022-2623issn
1520-4804journal_volume
57pub_type
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