RTF: a rapid and versatile tissue optical clearing method.

RTF: a rapid and versatile tissue optical clearing method.
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RTF:一种快速且通用的组织光学透明方法

DOI:
10.1038/s41598-018-20306-3
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发表时间:
2018-01-31
期刊:
影响因子:
4.6
通讯作者:
Zhu D
Zhu D
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Yu T;Zhu J;Li Y;Ma Y;Wang J;Cheng X;Jin S;Sun Q;Li X;Gong H;Luo Q;Xu F;Zhao S;Zhu D

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组织光学透明化能够在大体积样本中实现高分辨率的深层成像。ClearT2是一种相对快速的透明化方法,不使用溶剂或洗涤剂,因此在保存多种荧光标记方面具有很大优势。然而,这种方法存在组织透明度不足的问题,特别是对于成年小鼠脑块。在这项工作中,我们基于ClearT2开发了一种快速且通用的透明化方法,称为RTF(基于三乙醇胺和甲酰胺的快速透明化方法),旨在提高透明化能力。结果表明,RTF不仅能有效透明化胚胎、新生鼠脑和成年鼠脑块,还能保留内源性荧光蛋白和亲脂性染料的荧光信号,并且与病毒标记和免疫染色兼容。凭借良好的透明度和通用的兼容性,RTF结合不同的成像技术能够实现对荧光标记细胞和神经元轴突的可视化及追踪,在促进形态结构观察和神经网络可视化方面显示出潜力。
Tissue optical clearing enables imaging deeper in large volumes with high-resolution. ClearT2 is a relatively rapid clearing method with no use of solvents or detergents, hence poses great advantage on preservation of diverse fluorescent labels. However, this method suffers from insufficient tissue transparency, especially for adult mouse brain blocks. In this work, we develop a rapid and versatile clearing method based on ClearT2, termed RTF (Rapid clearing method based on Triethanolamine and Formamide), aiming for better clearing capability. The results show that RTF can not only efficiently clear embryos, neonatal brains and adult brain blocks, but also preserve fluorescent signal of both endogenous fluorescent proteins and lipophilic dyes, and be compatible with virus labeling and immunostaining. With the good transparency and versatile compatibility, RTF allows visualization and tracing of fluorescent labeling cells and neuronal axons combined with different imaging techniques, showing potentials in facilitating observation of morphological architecture and visualization of neuronal networks.
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