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相关实验视频

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Single-Cell Resolution Three-Dimensional Imaging of Intact Organoids
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厚组织的三维单细胞转录组成像.

Rongxin Fang1, Aaron Halpern1, Mohammed Mostafizur Rahman2

  • 1Howard Hughes Medical Institute, Department of Chemistry and Chemical Biology, Department of Physics, Center for Brain Science, Harvard University, Cambridge, United States.

eLife
|December 27, 2024
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概括

多重复合错误强大的光在现场杂交 (MERFISH) 现在可以在3D中对厚组织进行成像. 这种先进的空间基因组学技术提高了在完整样本中检测到200微米的RNA检测.

关键词:
墨菲鱼是什么意思 墨菲鱼脑子 脑子 脑子 大脑基因组规模的成像成像技术这里是鼠标鼠标鼠标鼠标鼠标鼠标.神经科学 神经科学空间基因组学的空间基因组学空间转录学 空间转录学厚组织成像成像技术

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科学领域:

  • 分子生物学分子生物学
  • 基因组学就是基因组学.
  • 显微镜的使用方法

背景情况:

  • 多重复合的错误稳固光在位杂交 (MERFISH) 能够在完整组织内的单细胞中进行基因组规模的RNA成像.
  • 目前的MERFISH应用仅限于薄组织样本 (~10μm).

研究的目的:

  • 开发和验证用于成像厚组织样本的三维 (3D) MERFISH 方法.
  • 扩大空间基因组学的能力,以分析完整的生物系统.

主要方法:

  • 开发了一个针对厚样品 (高达200微米) 优化的3D MERFISH协议.
  • 使用共聚焦显微镜进行光学切割.
  • 集成深度学习以提高成像速度和质量.

主要成果:

  • 3D MERFISH成功地在小鼠大脑组织部分上进行了证明,其厚度高达200微米.
  • 在厚样品中实现了高检测效率和精度.
  • 该方法可以在完整的组织中进行高分辨率的3DRNA成像.

结论:

  • 开发的3D MERFISH方法显著扩大了MERFISH对更厚的生物样本的适用性.
  • 这一进步预计将扩大空间基因组学研究的范围,使新的生物学问题能够得到解决.