AAV-iRFP labelling of human mesenchymal stem cells for near-infrared fluorescence imaging

AAV-iRFP labelling of human mesenchymal stem cells for near-infrared fluorescence imaging
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AAV-iRFP 标记人间充质干细胞用于近红外荧光成像

DOI:
10.1042/bsr20160556
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发表时间:
2017-04
期刊:
影响因子:
4
通讯作者:
Chen Qin
Chen Qin
中科院分区:
生物学3区
文献类型:
--
作者:
Huang Can;Lan Wenjun;Wang Feifei;Zhang Chun;Liu Xiaomei;Chen Qin

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近红外荧光(NIRF)成像是一种利用红外荧光蛋白(iRFP)基因标记的新技术,具有潜在的体内应用价值。在本研究中,我们使用腺相关病毒(AAV)在间充质干细胞(MSC)中表达iRFP和TNF相关的凋亡诱导配体基因,并显示iRFP标记的MSC可以通过荧光显微镜检测。我们给小鼠注射了用AAV-iRFP标记的MSC,然后我们能够通过整个动物的NIRF成像来检测。我们的技术提供了一个可视化的,方便的和敏感的平台,研究跟踪移植的MSC细胞在体内的命运。
Near-IR fluorescence (NIRF) imaging is a new technology using IR fluorescent protein (iRFP) gene labelling and is potentially useful for in vivo applications. In the present study, we expressed iRFP and the TNF-related apoptosis inducing ligand gene in mesenchymal stem cells (MSCs) using adeno-associated virus (AAV) and showed that iRFP-labelled MSCs can be detected by fluorescence microscopy. We injected mice with MSCs labelled with AAV-iRFP, which we were then able to detect by whole-animal NIRF imaging. Our technique provides a visualizable, convenient and sensitive platform for research on tracking the fate of transplanted MSC cells in vivo.
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