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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
(48
): 79544-79556
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WM130 preferentially inhibits hepatic cancer stem-like cells by suppressing
AKT/GSK3?/?-catenin signaling pathway
#MMPMID27783993
Ni CX
; Qi Y
; Zhang J
; Liu Y
; Xu WH
; Xu J
; Hu HG
; Wu QY
; Wang Y
; Zhang JP
Oncotarget
2016[Nov]; 7
(48
): 79544-79556
PMID27783993
show ga
The eradication of cancer stem cells (CSCs) is significant for cancer therapy and
prevention. In this study, we evaluated WM130, a novel derivative of matrine, for
its effect on CSCs using human hepatocellular carcinoma (HCC) cell lines, their
sphere cells, and sorted EpCAM+ cells. We revealed that WM130 could not only
inhibit proliferation and colony formation of HCC cells, but also suppress the
expression of some stemness-related genes and up-regulate some mature hepatocyte
marker genes, indicating a promotion of differentiation from CSCs to hepatocytes.
WM130 also suppressed the proliferation of doxorubicin-resistant hepatoma cells,
and markedly reduced the cells with CSC biomarker EpCAM. Moreover, WM130
suppressed HCC spheres, not only primary spheres but also subsequent spheres,
indicating an inhibitory effect on self-renewal capability of CSCs.
Interestingly, WM130 exhibited a remarkable inhibitory preference on HCC spheres
and EpCAM+ cells rather than their parental HCC cells and EpCAM- cells
respectively. In vivo, WM130 inhibited HCC xenograft growth, decreased the number
of sphere-forming cells, and remarkably decreased the levels of EpCAM mRNA and
protein in tumor xenografts. Better inhibitory effect was achieved by WM130 in
combination with doxorubicin. Further mechanism study revealed that WM130
inhibited AKT/GSK3?/?-catenin signaling pathway. Collectively, our results
suggest that WM130 remarkably inhibits hepatic CSCs, and this effect may via the
down-regulation of the AKT/GSK3?/?-catenin pathway. These findings provide a
strong rationale for the use of WM130 as a novel drug candidate in HCC therapy.