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2015 ; 8
(6
): 6434-41
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English Wikipedia
Formononetin sensitizes glioma cells to doxorubicin through preventing EMT via
inhibition of histone deacetylase 5
#MMPMID26261519
Liu Q
; Sun Y
; Zheng JM
; Yan XL
; Chen HM
; Chen JK
; Huang HQ
Int J Clin Exp Pathol
2015[]; 8
(6
): 6434-41
PMID26261519
show ga
Chemoresistance is a major obstacle to successful chemotherapy for glioma.
Formononetin is a novel herbal isoflavonoid isolated from Astragalus membranaceus
and possesses antitumorigenic properties. In the present study, we investigated
the anti-proliferative effects of formononetin on human glioma cells, and further
elucidated the molecular mechanism underlying the anti-tumor property. We found
that formononetin enhanced doxorubicin cytotoxicity in glioma cells. Combined
treatment with formononetin reversed the doxorubicin-induced
epithelial-mesenchymal transition (EMT) in tumor cells. Moreover, we found that
formononetin treatment significantly decreased the expression of HDAC5.
Overexpression of HDAC5 diminished the suppressive effects of formononetin on
glioma cell viability. Furthermore, knockdown of HDAC5 by siRNA inhibited the
doxorubicin-induced EMT in glioma cells. Taken together, these results
demonstrated that formononetin-combined therapy may enhance the therapeutic
efficacy of doxorubicin in glioma cells by preventing EMT through inhibition of
HDAC5.