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您的检索式：作者名="Lujuan Shan"
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| 1 | Overexpression of the neuroglobin gene delivered by ultrasound-targeted microbubble destruction protects SH-SY5Y cells against cobalt chloride induced hypoxia显示文摘In this study, we examined the effects of neuroglobin gene (Ngb) transfection into SH-SY5Y cells, using ultrasound-targeted microbubble destruction (UTMD), on cobalt chloride-induced hypoxia. With an ultrasound intensity of 0.8 W/cm2, a 60-second exposure duration, 50% duty cycle, and 20% microbubble concentration, pAcGFP1-C1-Ngb-transfected cells exhibited the highest cell viability and transfection efficiency. The efficiency of plasmid delivery was significantly higher with UTMD than transfection with plasmid alone, transfection with plasmid using microbubbles, or transfection of plasmid by ultrasound. In addition, during cobalt chloride-induced hypoxia, caspase-3 activity in pAcGFP1-C1-Ngb-transfected cells was significantly lower than in untransfected cells. Ngb protein and mRNA expression were significantly higher in cells transfected by UTMD than in cells transfected with the other methods. These results demonstrate that UTMD can very efficiently mediate exogenous gene delivery, and that Ngb overexpression protects cells against cobalt chloride-induced hypoxia. | Qian Yang Dianwen Gao Qingzhu Nie Zhengang Cai Jian Du Lujuan Shan Yuejian Liu | 2011 | Neural Regeneration Research2011，6，25： | 3 |
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