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2016 ; 7
(17
): 23684-99
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Escin Ia suppresses the metastasis of triple-negative breast cancer by inhibiting
epithelial-mesenchymal transition via down-regulating LOXL2 expression
#MMPMID27008697
Wang Y
; Xu X
; Zhao P
; Tong B
; Wei Z
; Dai Y
Oncotarget
2016[Apr]; 7
(17
): 23684-99
PMID27008697
show ga
The saponin fraction of Aesculus chinensis Bunge fruits (SFAC) could inhibit the
invasion and migration of MDA-MB-231 cells. Among which, escin Ia showed more
potent inhibition of the invasion than other five main saponin constituents. It
selectively reduced the expression of LOXL2 mRNA and promoted the expression of
E-cadherin mRNA, and prevented the EMT process of MDA-MB-231 cells and
TNF-?/TGF-?-stimulated MCF-7 cells. Moreover, it reduced the LOXL2 level in
MDA-MB-231 cells but not in MCF-7 cells. When MCF-7 cells were stimulated with
TNF-?/TGF-?, transfected with LOXL2 or treated with hypoxia, escin Ia
down-regulated the level of LOXL2 in MCF-7 cells. Meanwhile, escin Ia suppressed
the EMT process in LOXL2-transfected or hypoxia-treated MCF-7 cells. Of interest,
escin Ia did not alter the level of HIF-1? in hypoxia-induced MCF-7 cells. In
TNBC xenograft mice, the metastasis and EMT of MDA-MB-231 cells were suppressed
by escin Ia. In conclusion, escin Ia was the main active ingredient of SFAC for
the anti-TNBC metastasis activity, and its action mechanisms involved inhibition
of EMT process by down-regulating LOXL2 expression.