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相关实验视频

Updated: May 27, 2025

Using Expansion Microscopy to Physically Enlarge Whole-Mount Drosophila Embryos for Super-Resolution Imaging
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使用扩展显微镜对整个小鼠胚胎进行纳米分辨率成像.

Jueun Sim1, Chan E Park1, In Cho1

  • 1Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea.

ACS nano
|February 18, 2025
PubMed

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概括

全身膨胀显微镜 (ExM) 能够通过克服化组织的挑战,对整个胚胎和新生儿小鼠进行纳米级成像. 这种循环消化技术允许扩展四倍,揭示了详细的解剖和蛋白质结构.

科学领域:

  • 生物技术是生物技术.
  • 显微镜的使用方法
  • 发展生物学 发展生物学

背景情况:

  • 整个脊椎动物的纳米尺度成像对于理解人类疾病至关重要.
  • 扩展显微镜 (ExM) 具有潜力,但在晚期发育阶段面临化组织的挑战.

研究的目的:

  • 开发一种新的ExM技术,用于对整个胚胎和新生儿小鼠进行超高分辨率成像.
  • 为了克服高化的扩张组织的局限性.

主要方法:

  • 引入了全身ExM,利用循环消化与交替的酶组成.
  • 重复的消化周期允许小鼠胚胎扩张到E18.5和新生小鼠.
  • 验证了用于神经元结构可视化的光蛋白信号的保留.

主要成果:

  • 实现了胚胎和新生儿小鼠的四倍扩张,使体积成像成为可能.
  • 在没有广泛的优化的情况下,成功扩展了具有显著化的组织.
  • 使用保留的光蛋白信号,在转基因小鼠中展示了神经元结构的可视化.

结论:

  • 全身ExM是一种强大的技术,用于对整个脊椎动物进行纳米级成像.
关键词:
胚胎成像成像技术的使用扩张显微镜扩张显微镜周围神经系统的周围神经系统.超高分辨率成像成像技术全身成像全身成像全身成像

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  • 这种方法有助于研究发育和新生儿哺乳动物的分子和解剖变化.
  • 有潜力推进脊椎动物的发育生物学和疾病机制研究.