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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
): 833-841
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Identification of a novel small-molecule Keap1-Nrf2 PPI inhibitor with
cytoprotective effects on LPS-induced cardiomyopathy
#MMPMID29693453
Jiang CS
; Zhuang CL
; Zhu K
; Zhang J
; Muehlmann LA
; Figueiró Longo JP
; Azevedo RB
; Zhang W
; Meng N
; Zhang H
J Enzyme Inhib Med Chem
2018[Dec]; 33
(1
): 833-841
PMID29693453
show ga
A new Keap1-Nrf2 protein-protein interaction (PPI) inhibitor ZJ01 was identified
from our compound library by fluorescence polarization assay, surface plasmon
resonance, molecular docking and molecular dynamics simulation. ZJ01 could in
vitro trigger Nrf2 nuclear translocation, subsequently resulting in increased
mRNA levels of Nrf2 target genes HO-1 and NQO1. Meanwhile, ZJ01 suppressed
LPS-induced production of ROS and the mRNA levels of pro-inflammatory cytokines
TNF-?, IL-1? and IL-6 in H9c2 cardiac cells. Moreover, in an in vivo mouse model
of septic cardiomyopathy induced by intraperitoneal injection of
lipopolysaccharide, ZJ01 demonstrated a cytoprotective effect, upregulated Nrf2
protein nuclear accumulation, and remarkably suppressed the abovementioned
cytokine levels in cardiomyocytes. The results presented herein provided a novel
chemotype for the development of direct Keap1-Nrf2 PPI inhibitors and suggested
that compound ZJ01 is a promising drug lead for septic cardiomyopathy treatment.
ZJ01 was identified as a new Keap1-Nrf2 PPI inhibitor and drug lead for septic
cardiomyopathy treatment by in vitro and in vivo experiments.