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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 Nat+Commun
2018 ; 9
(1
): 2980
Nephropedia Template TP
gab.com Text
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The actin cytoskeletal architecture of estrogen receptor positive breast cancer
cells suppresses invasion
#MMPMID30061623
Padilla-Rodriguez M
; Parker SS
; Adams DG
; Westerling T
; Puleo JI
; Watson AW
; Hill SM
; Noon M
; Gaudin R
; Aaron J
; Tong D
; Roe DJ
; Knudsen B
; Mouneimne G
Nat Commun
2018[Jul]; 9
(1
): 2980
PMID30061623
show ga
Estrogen promotes growth of estrogen receptor-positive (ER+) breast tumors.
However, epidemiological studies examining the prognostic characteristics of
breast cancer in postmenopausal women receiving hormone replacement therapy
reveal a significant decrease in tumor dissemination, suggesting that estrogen
has potential protective effects against cancer cell invasion. Here, we show that
estrogen suppresses invasion of ER+ breast cancer cells by increasing
transcription of the Ena/VASP protein, EVL, which promotes the generation of
suppressive cortical actin bundles that inhibit motility dynamics, and is crucial
for the ER-mediated suppression of invasion in vitro and in vivo. Interestingly,
despite its benefits in suppressing tumor growth, anti-estrogenic endocrine
therapy decreases EVL expression and increases local invasion in patients. Our
results highlight the dichotomous effects of estrogen on tumor progression and
suggest that, in contrast to its established role in promoting growth of ER+
tumors, estrogen has a significant role in suppressing invasion through actin
cytoskeletal remodeling.