Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats.

Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats. Research Abstract Details 

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Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats. Abstract Text:

Xingsheng Li,Zhigang Wang,Haitao Ran,Xuelin Li,Qiaoying Yuan,Yuanyi Zheng,Jianli Ren,Lin Su,Wenfang Zhang,Qiao Li,Chuanshan Xu,

OBJECTIVE: The purpose of this study was to explore the feasibility of therapeutic angiogenesis in myocardial infarction induced by hepatocyte growth factor (HGF) mediated by ultrasound-targeted microbubble destruction. METHODS: Forty Wistar rats were divided into 4 groups after the models of myocardial infarction were prepared: (1) HGF, ultrasound, and microbubbles (HGF+US/MB), (2) HGF and ultrasound, (3) HGF and microbubbles, and (4) surgery alone. Destruction of ultrasound-targeted microbubbles loaded with the HGF gene with an electrocardiographic trigger mode was performed in the HGF+US/MB group. All the rats were killed after being transfected for 14 days. Enhanced green fluorescent protein expression was examined in the myocardium, liver, and kidney in all groups by fluorescence microscopy; CD34 expression was detected by immunohistochemistry, and microvessel density (MVD) was counted in the high-power field on microscopy. Hepatocyte growth factor expression in the myocardium was detected by western blotting and an enzyme-linked immunosorbent assay. RESULTS: Enhanced green fluorescent protein expression was detected in the myocardium of the HGF+US/MB group, but a few areas of HGF expression were detected only in small vessels and the capillary endothelium, and no expression was found in the surgery-alone and HGF and microbubbles groups. The results of MVD counting by microscopy showed that the MVD in the myocardium of the HGF+US/MB group was the highest among all the groups. The results of western blotting and the enzyme-linked immunosorbent assay showed that the amount of HGF in the myocardium was highest in the HGF+US/MB group. CONCLUSIONS: Ultrasound-targeted microbubble destruction could deliver HGF into the infracted myocardium and produce an angiogenesis effect, which could provide a novel strategy for gene therapy of myocardial infarction.

Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats. Publishing Authors By Initials

X Li,Z Wang,H Ran,X Li,Q Yuan,Y Zheng,J Ren,L Su,W Zhang,Q Li,C Xu,

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Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of ultrasound in medicine : official journ

VOLUME: 27

Page Numbers: 453-60

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ISSN: 0278-4297

DAY: 3

MONTH: Mar

YEAR: 2008

Experimental research on therapeutic angiogenesis induced by hepatocyte growth factor directed by ultrasound-targeted microbubble destruction in rats. Information

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LANGUAGE: eng

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AFFILIATION: Institute of Ultrasound Imaging, Second Affiliated Hospital of Chongqing University of Medical Sciences, 74 Linjiang Rd, Yuzhong, 400010 Chongqing, China. wzg62942443@163.com.

Country: United States

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MEDLINETA: J Ultrasound Med

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