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   Augmentation of neovascularization in murine hindlimb ischemia by combined therapy with simvastatin and bone marrow-derived mesenchymal stem cells transplantation  
   
نویسنده li y. ,zhang d. ,zhang y. ,he g. ,zhang f.
منبع journal of biomedical science - 2010 - دوره : 17 - شماره : 1
چکیده    Objectives. we postulated that combining high-dose simvastatin with bone marrow derived-mesenchymal stem cells (mscs) delivery may give better prognosis in a mouse hindlimb ischemia model. methods. mouse hindlimb ischemia model was established by ligating the right femoral artery. animals were grouped (n = 10) to receive local injection of saline without cells (control and simvastatin groups) or with 5 × 106 mscs (mscs group).animals received either simvastatin (20 mg/kg/d,simvastatin and combination groups) or saline(control and mscs group) gavages for continual 21 days. the blood flow was assessed by laser doppler imaging at day 0,10 and 21 after surgery,respectively. ischemic muscle was harvested for immunohistological assessments and for vegf protein detection using western blot assay at 21 days post-surgery. in vitro,mscs viability was measured by mtt and flow cytometry following culture in serum-free medium for 24 h with or without simvastatin. release of vegf by mscs incubated with different doses of simvastatin was assayed using elisa. results. combined treatment with simvastatin and mscs induced a significant improvement in blood reperfusion,a notable increase in capillary density,a highest level of vegf protein and a significant decrease in muscle cell apoptosis compared with other groups. in vitro,simvastatin inhibited mscs apoptosis and increased vegf release by mscs. conclusions. combination therapy with high-dose simvastatin and bone marrow-derived mscs would augment functional neovascularization in a mouse model of hindlimb ischemia. © 2010 li et al; licensee biomed central ltd.
آدرس department of cardiology,first affiliated hospital,nanjing medical university,210029,china,department of cardiology,affiliated wujin hospital,jiangsu university,213002, China, research center for bone and stem cells,nanjing medical university,210029, China, department of cardiology,affiliated jiangning hospital,nanjing medical university,211100, China, department of cardiology,affiliated wujin hospital,jiangsu university,213002, China, department of cardiology,first affiliated hospital,nanjing medical university,210029, China
 
     
   
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