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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 Stem+Cells+Transl+Med
2017 ; 6
(3
): 1006-1017
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Oncostatin M-Preconditioned Mesenchymal Stem Cells Alleviate Bleomycin-Induced
Pulmonary Fibrosis Through Paracrine Effects of the Hepatocyte Growth Factor
#MMPMID28297588
Lan YW
; Theng SM
; Huang TT
; Choo KB
; Chen CM
; Kuo HP
; Chong KY
Stem Cells Transl Med
2017[Mar]; 6
(3
): 1006-1017
PMID28297588
show ga
Mesenchymal stem cells (MSCs) are widely considered for treatment of pulmonary
fibrosis based on the anti-inflammatory, antifibrotic, antiapoptotic, and
regenerative properties of the cells. Recently, elevated levels of oncostatin M
(OSM) have been reported in the bronchoalveolar lavage fluid of a pulmonary
fibrosis animal model and in patients. In this work, we aimed to prolong
engrafted MSC survival and to enhance the effectiveness of pulmonary fibrosis
transplantation therapy by using OSM-preconditioned MSCs. OSM-preconditioned MSCs
were shown to overexpress type 2 OSM receptor (gp130/OSMR?) and exhibited high
susceptibility to OSM, resulting in upregulation of the paracrine factor,
hepatocyte growth factor (HGF). Moreover, OSM-preconditioned MSCs enhanced cell
proliferation and migration, attenuated transforming growth factor-?1- or
OSM-induced extracellular matrix production in MRC-5 fibroblasts through
paracrine effects. In bleomycin-induced lung fibrotic mice, transplantation of
OSM-preconditioned MSCs significantly improved pulmonary respiratory functions
and downregulated expression of inflammatory factors and fibrotic factors in the
lung tissues. Histopathologic examination indicated remarkable amelioration of
the lung fibrosis. LacZ-tagged MSCs were detected in the lung tissues of the
OSM-preconditioned MSC-treated mice 18 days after post-transplantation. Taken
together, our data further demonstrated that HGF upregulation played an important
role in mediating the therapeutic effects of transplanted OSM-preconditioned MSCs
in alleviating lung fibrosis in the mice. Stem Cells Translational Medicine
2017;6:1006-1017.