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2016 ; 9
(ä): 2511-8
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Paeoniflorin prevents hypoxia-induced epithelial-mesenchymal transition in human
breast cancer cells
#MMPMID27175085
Zhou Z
; Wang S
; Song C
; Hu Z
Onco Targets Ther
2016[]; 9
(ä): 2511-8
PMID27175085
show ga
Paeoniflorin (PF) is a monoterpene glycoside extracted from the root of Paeonia
lactiflora Pall. Previous studies have demonstrated that PF inhibits the growth,
invasion, and metastasis of tumors in vivo and in vitro. However, the effect of
PF on hypoxia-induced epithelial-mesenchymal transition (EMT) in breast cancer
cells remains unknown. Therefore, the objective of this study was to investigate
the effect of PF on hypoxia-induced EMT in breast cancer cells, as well as
characterize the underlying mechanism. The results presented in this study
demonstrate that PF blocks the migration and invasion of breast cancer cells by
repressing EMT under hypoxic conditions. PF also significantly attenuated the
hypoxia-induced increase in HIF-1? level. Furthermore, PF prevented
hypoxia-induced expression of phosphorylated PI3K and Akt in MDA-MB-231 cells. In
conclusion, PF prevented hypoxia-induced EMT in breast cancer cells by inhibiting
HIF-1? expression via modulation of PI3K/Akt signaling pathway. This finding
provides evidence that PF can serve as a therapeutic agent for the treatment of
breast cancer.