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DOI: 10.3791/53604-v
Carlo A. Beretta1,2,3, Nicolas Dross2, Ulrike Engel2, Matthias Carl1
1Medical Faculty Mannheim, Department of Cell and Molecular Biology,Heidelberg University, 2COS and Nikon Imaging Center at the University of Heidelberg,Heidelberg University, 3Excellenzcluster CellNetworks,University of Heidelberg
Please note that some of the translations on this page are AI generated. Click here for the English version.
我们建立了可光转换的 PSmOrange 系统,作为一种功能强大、直接且成本低廉的工具,用于在 GFP 转基因背景中进行体内细胞追踪。该协议描述了它在斑马鱼模型系统中的应用。
PSmOrange 照片转换技术的总体目标是在胚胎发育和疾病期间跟踪活体动物中的细胞。这种方法可以回答发育生物学中的关键问题,例如揭示发育成组织和器官的细胞的起源。该技术的主要优点是可以应用于 GFP 转基因背景。
该方法也可应用于不同的研究领域,例如再生、肿瘤进展和侵袭。根据文本方案生成和包埋表达 PSmOrange 和 GFP 的胚胎后,将胚胎置于共聚焦显微镜下,并使用 20 倍空气物镜和 488 和 561 纳米激光扫描标本以识别要光转化的区域。为了在光转化前检测 PSmOrange 蛋白,请使用 561 纳米激光器,在物镜上方的焦平面上以 0.74 毫瓦的功率测量,并根据需要调整激光功率。
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