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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 ACS+Med+Chem+Lett
2013 ; 4
(4
): 408-13
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Anthraquinone Derivatives as Potent Inhibitors of c-Met Kinase and the
Extracellular Signaling Pathway
#MMPMID24900685
Liang Z
; Ai J
; Ding X
; Peng X
; Zhang D
; Zhang R
; Wang Y
; Liu F
; Zheng M
; Jiang H
; Liu H
; Geng M
; Luo C
ACS Med Chem Lett
2013[Apr]; 4
(4
): 408-13
PMID24900685
show ga
The aberrant function of c-Met kinase signaling pathway is ubiquitously involved
in a broad spectrum of human cancers; thus, a strong rationale exists for
targeting the kinase pathway in cancer therapy. Via integration of computational
and experimental studies, anthraquinone derivatives were identified for the first
time as potent c-Met kinase inhibitors in this research. The aberrant activation
of the c-Met kinase pathway results from (TPR)-Met, MET gene mutation, or
amplification and a hepatocyte growth factor (HGF)/scatter factor-dependent
autocrine or paracrine mechanism. However, anthraquinone derivatives exclusively
suppressed c-Met phosphorylation stimulated by HGF in A549 cells, indicating that
the compounds possess the ability to block the extracellular HGF-dependent
pathway. A surface plasmon resonance assay revealed that the most potent
compound, 2a, shows a high binding affinity for HGF with an equilibrium
dissociation constant of 1.95 ?M. The dual roles of compound 2a demonstrate the
potency of anthraquinone derivatives and provide a new design solution for the
c-Met kinase signaling pathway.