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2015 ; 6
(12
): 10016-29
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Stat3 orchestrates interaction between endothelial and tumor cells and inhibition
of Stat3 suppresses brain metastasis of breast cancer cells
#MMPMID25881542
Lee HT
; Xue J
; Chou PC
; Zhou A
; Yang P
; Conrad CA
; Aldape KD
; Priebe W
; Patterson C
; Sawaya R
; Xie K
; Huang S
Oncotarget
2015[Apr]; 6
(12
): 10016-29
PMID25881542
show ga
Brain metastasis is a major cause of morbidity and mortality in patients with
breast cancer. Our previous studies indicated that Stat3 plays an important role
in brain metastasis. Here, we present evidence that Stat3 functions at the level
of the microenvironment of brain metastases. Stat3 controlled constitutive and
inducible VEGFR2 expression in tumor-associated brain endothelial cells.
Furthermore, inhibition of Stat3 by WP1066 decreased the incidence of brain
metastases and increased survival in a preclinical model of breast cancer brain
metastasis. WP1066 inhibited Stat3 activation in tumor-associated endothelial
cells, reducing their infiltration and angiogenesis. WP1066 also inhibited breast
cancer cell invasion. Our results indicate that WP1066 can inhibit tumor
angiogenesis and brain metastasis mediated by Stat3 in endothelial and tumor
cells.