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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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膨胀奥米克:从膨胀显微镜到空间奥米克.

Zhen Dong1,2,3, Weirong Xiang4,5,6, Wenhao Jiang4,5,6

  • 1Affiliated Hangzhou First People's Hospital, State Key Laboratory of Medical Proteomics, School of Medicine, Westlake University, Hangzhou, Zhejiang Province, China. dongzhen@westlake.edu.cn.

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概括

扩展欧米克 (ExO) 使用物理组织扩张进行高分辨率的空间欧米克分析. 这项技术能够在多个omics层中精确地检测和绘制生物分子,从而推进空间生物学和医学.

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科学领域:

  • 空间生物学 空间生物学
  • 分子成像学分子成像学
  • 奥米克斯技术的技术.

背景情况:

  • 组织扩张 (ExO) 是一种最初用于超高分辨率成像的技术.
  • 现在,ExO已经发展成为空间解析的omics分析的基本方法.
  • 它可以精确检测生物分子,并将它们与生物功能联系起来.

研究的目的:

  • 探索扩展omics如何整合多omics数据.
  • 突出化学定策略在ExO中的作用.
  • 讨论ExO在空间分辨率方面取得的进展.

主要方法:

  • 利用物理组织扩张来提高空间分辨率.
  • 采用化学定策略来进行选择性分子保留.
  • 应用ExO在各种空间奥米克模式中,如表观遗传学,转录遗传学,蛋白质遗传学和脂质遗传学.

主要成果:

  • 实现了用于omics分析的亚细胞分辨率和用于成像的亚纳米尺度.
  • 启用了染色体状态,基因表达,蛋白质定位和脂质分布的高分辨率映射.
  • 促进了空间多态学方法,以关联多个生物分子维度.

结论:

  • 扩展omics是整个幻灯片,单细胞多omics的核心技术.
  • ExO将超高分辨率成像与空间奥米克集成在一起,以获得先进的生物洞察力.
  • 需要进一步开发以应对人工智能虚拟细胞的分辨率,分子保留和数据分析方面的挑战.