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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+Enzyme+Inhib+Med+Chem
2018 ; 33
(1
): 1089-1094
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gab.com Text
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A highly potent and selective inhibitor Roxyl-WL targeting IDO1 promotes immune
response against melanoma
#MMPMID29932010
Xu G
; Wang T
; Li Y
; Huang Z
; Wang X
; Zheng J
; Yang S
; Fan Y
; Xiang R
J Enzyme Inhib Med Chem
2018[Dec]; 33
(1
): 1089-1094
PMID29932010
show ga
Indoleamine 2,3-dioxygenase 1 (IDO1) activity links to immune escape of cancers.
Inhibition of IDO1 provides a new approach for cancer treatment. Most clinical
IDO1 drugs show marginal efficacy as single agents. On basis of molecular docking
and pharmacophore modelling, a novel inhibitor Roxyl-WL was discovered with a
half maximal inhibitory concentration (IC50) value of 1?nM against IDO1 and
10-100-fold increased potent activity compared with IDO1 drugs in clinical
trials. Roxyl-WL displayed excellent kinase spectrum selectivity with no activity
out of the 337 protein kinases. In vitro, Roxyl-WL effectively augmented the
proliferation of T cells and reduced the number of regulatory T cell (Tregs).When
administered to melanoma (B16F10) tumor-bearing mice orally, Roxyl-WL
significantly suppressed tumor growth and induced immune response.