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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 Int+J+Environ+Res+Public+Health
2015 ; 12
(9
): 10739-54
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Blocking the Wnt/?-Catenin Pathway by Lentivirus-Mediated Short Hairpin RNA
Targeting ?-Catenin Gene Suppresses Silica-Induced Lung Fibrosis in Mice
#MMPMID26340635
Wang X
; Dai W
; Wang Y
; Gu Q
; Yang D
; Zhang M
Int J Environ Res Public Health
2015[Sep]; 12
(9
): 10739-54
PMID26340635
show ga
Silicosis is a form of occupational lung disease caused by inhalation of
crystalline silica dust. While the pathogenesis of silicosis is not clearly
understood, the Wnt/?-catenin signaling pathway is thought to play a major role
in lung fibrosis. To explore the role of Wnt/?-catenin pathway in silicosis, we
blocked Wnt/?-catenin pathway both in silica-treated MLE-12 cells (a mouse
pulmonary epithelial cell line) and in a mouse silicosis model by using a
lentiviral vector expressing a short hairpin RNA silencing ?-catenin
(Lv-sh?-catenin). In vitro, Lv-sh?-catenin significantly decreased the expression
of ?-catenin, MMP2 and MMP9, and secretion of TGF-?1. In vivo, intratracheal
treatment with Lv-sh?-catenin significantly reduced expression of ?-catenin in
the lung and levels of TGF-?1 in bronchoalveolar lavage fluid, and notably
attenuated pulmonary fibrosis as evidenced by hydroxyproline content and collagen
I\III synthesis in silica-administered mice. These results indicate that blockade
of the Wnt/?-catenin pathway can prevent the development of silica-induced lung
fibrosis. Thus Wnt/?-catenin pathway may be a target in prevention and treatment
of silicosis.
|*Disease Models, Animal
[MESH]
|Animals
[MESH]
|Bronchoalveolar Lavage Fluid
[MESH]
|Cell Line
[MESH]
|Gene Silencing/physiology
[MESH]
|Genetic Vectors
[MESH]
|Lentivirus/*genetics
[MESH]
|Matrix Metalloproteinase 2/metabolism
[MESH]
|Matrix Metalloproteinase 9/metabolism
[MESH]
|Mice
[MESH]
|Pulmonary Fibrosis/metabolism/*prevention & control
[MESH]
|RNA, Small Interfering/*genetics
[MESH]
|Silicon Dioxide/toxicity
[MESH]
|Silicosis/metabolism/*prevention & control
[MESH]