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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 Am+J+Cancer+Res
2016 ; 6
(10
): 2192-2206
Nephropedia Template TP
gab.com Text
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English Wikipedia
Radiation promotes epithelial-to-mesenchymal transition and invasion of
pancreatic cancer cell by activating carcinoma-associated fibroblasts
#MMPMID27822411
Li D
; Qu C
; Ning Z
; Wang H
; Zang K
; Zhuang L
; Chen L
; Wang P
; Meng Z
Am J Cancer Res
2016[]; 6
(10
): 2192-2206
PMID27822411
show ga
The tumor microenvironment is of crucial importance affecting treatment and
prognosis. High degree of carcinoma-associated fibroblast (CAF) infiltration
occurs in pancreatic cancer, though its effect on radiotherapy remains unclear.
In this study, we demonstrated that radiation enhanced the migration- and
invasion-promoting capacity of CAFs both in vitro and in vivo in a lung
metastasis model. Radiation exposure increased the expression of CXCL12 by CAFs.
CAF-derived CXCL12 promoted tumor cell EMT and invasion directly, acting through
CXCR4 on pancreatic cancer cells. In addition, we showed that CXCL12-CXCR4
signaling promoted pancreatic cancer cell EMT and invasion by activating the P38
pathway. Therefore, our study concluded that radiation promoted pancreatic cancer
cell invasion and EMT by activating CAFs, while inhibiting the CXCL12/CXCR4
interaction between pancreatic cancer cells and CAFs could potentially attenuate
tumor cell invasion induced by radiation, which provides an opportunity for the
development of novel therapeutic targets to improve the prognosis for human
pancreatic cancer treated with radiation therapy.