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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 Biomaterials
2016 ; 101
(ä): 108-120
Nephropedia Template TP
gab.com Text
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English Wikipedia
Polyplex-mediated inhibition of chemokine receptor CXCR4 and chromatin-remodeling
enzyme NCOA3 impedes pancreatic cancer progression and metastasis
#MMPMID27267632
Wang Y
; Kumar S
; Rachagani S
; Sajja BR
; Xie Y
; Hang Y
; Jain M
; Li J
; Boska MD
; Batra SK
; Oupický D
Biomaterials
2016[Sep]; 101
(ä): 108-120
PMID27267632
show ga
Pancreatic cancer (PC) is one of the most aggressive malignancies due to intense
desmoplasia, extreme hypoxia and inherent chemoresistance. Studies have
implicated the expression of chemokine receptor CXCR4 and nuclear receptor
co-activator-3 (NCOA3) in the development of desmoplasia and metastatic spread of
PC. Using a series of polymeric CXCR4 antagonists (PCX), we optimized formulation
of PCX/siNCOA3 polyplexes to simultaneously target CXCR4 and NCOA3 in PC.
Cholesterol-modified PCX showed maximum CXCR4 antagonism, NCOA3 silencing and
inhibition of PC cell migration in vitro. The optimized PCX/siNCOA3 polyplexes
were used in evaluating antitumor and antimetastatic activity in orthotopic mouse
model of metastatic PC. The polyplexes displayed significant inhibition of
primary tumor growth, which was accompanied by a decrease in tumor necrosis and
increased tumor perfusion. The polyplexes also showed significant antimetastatic
effect and effective suppression of metastasis to distant organs. Overall,
dual-function PCX/siNCOA3 polyplexes can effectively regulate tumor
microenvironment to decrease progression and dissemination of PC.
|Animals
[MESH]
|Cell Line, Tumor
[MESH]
|Disease Progression
[MESH]
|Female
[MESH]
|Humans
[MESH]
|Mice, Nude
[MESH]
|Neoplasm Metastasis/genetics/pathology/*prevention & control
[MESH]