Real-time in vivo imaging of the beating mouse heart at microscopic resolution.

Real-time in vivo imaging of the beating mouse heart at microscopic resolution.
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DOI:
10.1038/ncomms2060
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发表时间:
2012
影响因子:
16.6
通讯作者:
--
中科院分区:
综合性期刊1区
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--
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以微观分辨率对运动器官和组织进行实时成像是研究活体系统中复杂生物学的一项重大挑战。在这里,我们提出了一种在单细胞水平上对跳动的小鼠心脏进行成像的新技术,该技术基于新颖的稳定器设置与门控采集算法相结合。该方法可以在共焦和非线性模式下对活体小鼠跳动的心脏进行连续几个小时的体内荧光成像。我们展示了该技术在心脏缺血的体内光学切片和双通道延时荧光成像中的实用性。该通用方法可以适用于其他运动器官,从而广泛促进体内显微镜研究。
Real-time imaging of moving organs and tissues at microscopic resolutions represents a major challenge in studying complex biology in live systems. Here, we present a new technique for imaging the beating murine heart at the single cell level, based on a novel stabilizer setup combined with a gating acquisition algorithm. The method allowed serial in vivo fluorescence imaging of the beating heart in live mice in both confocal and nonlinear modes for several hours. We demonstrate the utility of this technique for in vivo optical sectioning and dual-channel time-lapse fluorescence imaging of cardiac ischemia. The generic method could be adapted to other moving organs and thus broadly facilitate in vivo microscopic investigations.
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