Mesenchymal Stem Cells Engineered to Secrete Pigment Epithelium-Derived Factor Inhibit Tumor Metastasis and the Formation of Malignant Ascites in a Murine Colorectal Peritoneal Carcinomatosis Model

2016 ◽  
Vol 27 (3) ◽  
pp. 267-277 ◽  
Author(s):  
Liping Yang ◽  
Yuwei Zhang ◽  
Liuliu Cheng ◽  
Dan Yue ◽  
Jinhu Ma ◽  
...  
Keyword(s):  
Stem Cells ◽  
Mesenchymal Stem Cells ◽  
Peritoneal Carcinomatosis ◽  
Tumor Metastasis ◽  
Pigment Epithelium ◽  
Malignant Ascites ◽  
Pigment Epithelium Derived Factor ◽  
Inhibit Tumor Metastasis

scholarly journals Mesenchymal stem cells overexpressing PEDF decrease the angiogenesis of gliomas

2013 ◽  
Vol 33 (2) ◽  
Author(s):  
Qiaoshu Wang ◽  
Zhaoyun Zhang ◽  
Tianling Ding ◽  
Zi Chen ◽  
Tao Zhang
Keyword(s):  
Stem Cells ◽  
Mesenchymal Stem Cells ◽  
Brain Tumour ◽  
Pigment Epithelium ◽  
Human Mesenchymal Stem Cells ◽  
Migration Assay ◽  
Migratory Activity ◽  
Promising Therapeutic Approach ◽  
Novel Strategy

The present study is an exploration of a novel strategy to target a therapeutic gene to brain tumour tissues. In the present study, we evaluated the feasibility of using hMSCs (human mesenchymal stem cells) to deliver PEDF (pigment epithelium-derived factor), a potent inhibitor of tumour angiogenesis, in a model of intracranial gliomas. To assess its potential of tracking gliomas, MSCs (mesenchymal stem cells) were injected into the cerebral hemisphere and it showed that MSCs infiltrated into the vessel beds and scattered throughout the tumour. In vitro migration assay showed that the VEGF (vascular endothelial growth factor) enhanced MSC migration. In contrast, the migratory activity of MSCs was significantly inhibited with the presence of PEDF. Systematic delivery of AAV (adeno-associated virus)–PEDF to established glioma xenografts resulted in increased apoptosis of gliomas. In addition, MSC–PEDF treatment prolonged the survival of mice bearing U87 gliomas. Taken together, these data validate that MSCs–PEDF can migrate and deliver PEDF to target glioma cells, which may be a novel and promising therapeutic approach for refractory brain tumour.

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