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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Med+Chem
2014 ; 57
(20
): 8307-18
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Inhibition of cancer-associated mutant isocitrate dehydrogenases: synthesis,
structure-activity relationship, and selective antitumor activity
#MMPMID25271760
Liu Z
; Yao Y
; Kogiso M
; Zheng B
; Deng L
; Qiu JJ
; Dong S
; Lv H
; Gallo JM
; Li XN
; Song Y
J Med Chem
2014[Oct]; 57
(20
): 8307-18
PMID25271760
show ga
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 ?-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 ?M) against glioma cells with the IDH1
R132H mutation.