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Role of ultrasound and microbubble-mediated heat shock protein 72 siRNA on ischemia-reperfusion liver injury in rat



Role of ultrasound and microbubble-mediated heat shock protein 72 siRNA on ischemia-reperfusion liver injury in rat



International Journal of Clinical and Experimental Medicine 8(4): 5746-5752



To explore the ultrasound-guided gene transfection as well as the role of heat shock protein 72 (HSP72) siRNA combined with ultrasound micro-bubble contrast agents on rat hepatic ischemia-reperfusion injury. 72 SD rats were divided into non-surgery group (group N), sham-operation group (group P) and liver ischemia-reperfusion groups (I/R). In each group, rats were further divided into 4 subgroups according to the different intravenous treatment: 220 ul saline solution (group A); 20 ul HSP72 siRNA plasmid vector + 200 ul saline solution (group B); 20 ul HSP72 siRNA plasmid vector + 200 ul ultrasound microbubble contrast agent (group C); 20 ul HSP72 siRNA plasmid vector + 200 ul ultrasound microbubble contrast agent + ultrasonic irradiation target region with MI1.0 (group D). Certain degree hepatic tissue injury was observed in rats of group I/R A, B and C. The expressions of liver tissue HSP72 mRNA and HSP72 protein and the concentrations of peripheral blood HSP72, ALT and TNF-α were significantly increased at each I/R subgroup (vs group N and group P, P < 0.01). Among them, the plasma concentrations of ALT, HSP72, and TNF-α and the liver tissue expressions of HSP72 mRNA and HSP72 protein at group A were significantly higher than groups B, C and D (P < 0.01). And group D was significantly lower than that of group A, B and C (P < 0.01). The liver tissue expressions of HSP72 mRNA and HSP72 protein and the liver injury degree of ischemia-perfusion were significantly reduced after the HSP72 siRNA was combined with micro-bubble and radiated directionally by ultrasound.

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Accession: 058791716

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PMID: 26131160


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