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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
2017 ; 8
(1
): 1669
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Role of epithelial to mesenchymal transition associated genes in mammary gland
regeneration and breast tumorigenesis
#MMPMID29162812
Sikandar SS
; Kuo AH
; Kalisky T
; Cai S
; Zabala M
; Hsieh RW
; Lobo NA
; Scheeren FA
; Sim S
; Qian D
; Dirbas FM
; Somlo G
; Quake SR
; Clarke MF
Nat Commun
2017[Nov]; 8
(1
): 1669
PMID29162812
show ga
Previous studies have proposed that epithelial to mesenchymal transition (EMT) in
breast cancer cells regulates metastasis, stem cell properties and
chemo-resistance; most studies were based on in vitro culture of cell lines and
mouse transgenic cancer models. However, the identity and function of cells
expressing EMT-associated genes in normal murine mammary gland homeostasis and
human breast cancer still remains under debate. Using in vivo lineage tracing and
triple negative breast cancer (TNBC) patient derived xenografts we demonstrate
that the repopulating capacity in normal mammary epithelial cells and tumorigenic
capacity in TNBC is independent of expression of EMT-associated genes. In breast
cancer, while a subset of cells with epithelial and mesenchymal phenotypes have
stem cell activity, in many cells that have lost epithelial characteristics with
increased expression of mesenchymal genes, have decreased tumor-initiating
capacity and plasticity. These findings have implications for the development of
effective therapeutic agents targeting tumor-initiating cells.