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Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
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一种综合方法来分析来自同一组织部分的空间解析的多omics数据集.

Thao Tran1, Felicia Wee2, Craig Ryan Joseph2

  • 1Aspect Analytics NV, Genk, Belgium.

Frontiers in molecular biosciences
|July 30, 2025
PubMed
概括

这项研究引入了一种新的框架,用于从同一组织部分整合空间转录组学和空间蛋白组学. 这允许在瘤微环境中精确地对RNA和蛋白质表达进行单细胞比较.

关键词:
数据整合数据集成.组织学 组织学 组织学图像注册 图像注册 图像注册一个单细胞分析.空间多主题空间多主题空间蛋白质组学 空间蛋白质组学空间转录学 空间转录学

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科学领域:

  • 生物技术是生物技术.
  • 分子生物学分子生物学
  • 癌症研究 癌症研究

背景情况:

  • 空间转录组学 (ST) 和空间蛋白组学 (SP) 在单细胞分辨率下提供高维分子分析.
  • 目前的ST和SP方法分析单独的组织部分,阻碍了直接的交叉模式比较.
  • 了解瘤免疫微环境需要集成的分子数据.

研究的目的:

  • 开发和验证一个框架来执行和整合ST和SP从同一组织部分.
  • 为了使人类肺癌中RNA和蛋白质表达的直接,单细胞水平的比较.
  • 评估疾病研究的共同本地化多omics分析的可行性和实用性.

主要方法:

  • 开发了一种湿实验室和计算工作流程,用于对相同组织部分的ST和SP进行联合分析.
  • 使用血素和欧 (H&E) 染色以获得形态一致性.
  • 雇员 Weave 软件用于跨模式的计算注册和注释转移.
  • 进行单细胞水平RNA和蛋白质表达的比较,包括相关性分析.

主要成果:

  • 成功地整合了来自同一个人类肺癌组织段的ST和SP数据.
  • 使用计算注册实现了分子层之间的准确对齐和注释转移.
  • 启用了转录和蛋白质表达的直接,单细胞分辨率比较.
  • 在细胞水平上观察并解决了RNA和蛋白质水平之间的系统低相关性.

结论:

  • 开发的框架允许在单个组织部位上进行高质量,空间分辨率的多组体分析.
  • 这种方法促进了对分子标记的一致性研究和特定区域的分析.
  • 通过实现综合分子分析,提高对疾病异质性的理解.