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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 Oncotarget
2016 ; 7
(3
): 2796-808
Nephropedia Template TP
gab.com Text
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English Wikipedia
Two clinical drugs deubiquitinase inhibitor auranofin and aldehyde dehydrogenase
inhibitor disulfiram trigger synergistic anti-tumor effects in vitro and in vivo
#MMPMID26625200
Huang H
; Liao Y
; Liu N
; Hua X
; Cai J
; Yang C
; Long H
; Zhao C
; Chen X
; Lan X
; Zang D
; Wu J
; Li X
; Shi X
; Wang X
; Liu J
Oncotarget
2016[Jan]; 7
(3
): 2796-808
PMID26625200
show ga
Inhibition of proteasome-associated deubiquitinases (DUBs) is emerging as a novel
strategy for cancer therapy. It was recently reported that auranofin (Aur), a
gold (I)-containing compound used clinically to treat rheumatoid arthritis, is a
proteasome-associated DUB inhibitor. Disulfiram (DSF), an inhibitor of aldehyde
dehydrogenase, is currently in clinical use for treating alcoholism. Recent
studies have indicated that DSF can also act as an antitumor agent. We
investigated the effect of combining DSF and Aur on apoptosis induction and tumor
growth in hepatoma cancer cells. Here we report that (i) the combined treatment
of Aur and DSF results in synergistic cytotoxicity to hepatoma cells in vitro and
in vivo; (ii) Aur and DSF in combination induces caspase activation, endoplasmic
reticulum (ER) stress, and reactive oxygen species (ROS) production; (iii)
pan-caspase inhibitor z-VAD-FMK could efficiently block apoptosis but not
proteasome inhibition induced by Aur and DSF combined treatment, and ROS is not
required for Aur+DSF to induce apoptosis. Collectively, we demonstrate a model of
synergism between DSF and proteasome-associated DUB inhibitor Aur in the
induction of apoptosis in hepatoma cancer cells, identifying a potential novel
anticancer strategy for clinical use in the future.