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相关概念视频

iChip01:24

iChip

The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...

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相关实验视频

Updated: Jun 23, 2026

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
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MiProChip:一个可扩展的微流体平台,通过同位素标签实现多重复合单细胞蛋白学.

Tsai-Fang Chou1, Huan-Chi Chiu1,2, Sofani Tafesse Gebreyesus1

  • 1Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan.

Analytical chemistry
|February 25, 2026
PubMed
概括

MiProChip是一个新的微流体平台,用于单细胞蛋白质组学 (SCP),简化工作流程并增强蛋白质组覆盖范围. 这种先进的工具捕获了对治疗的微妙细胞反应,提供了比批量分析更深入的见解.

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相关实验视频

Last Updated: Jun 23, 2026

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科学领域:

  • 生物医学工程 生物医学工程
  • 蛋白质组学是指蛋白质组学.
  • 微流体学 微流体学

背景情况:

  • 单细胞蛋白组学 (SCP) 对于理解细胞异质性至关重要.
  • 现有的SCP平台需要优化吞吐量和灵敏度.
  • 微流体技术为简化omics工作流提供了潜力.

研究的目的:

  • 开发和验证MiProChip,这是一个集成的微流体平台,用于多重化单细胞蛋白质组学.
  • 为了优化芯片上的协同质量标签 (TMT) 标签,用于高通量SCP.
  • 为了证明MiProChip在表征细胞对刺激的反应方面的能力.

主要方法:

  • 开发MiProChip集成细胞捕获,溶解,消化,TMT标签,聚合和淡化.
  • 优化与芯片兼容的TMT多重复合协议与载波增强.
  • 应用MiProChip来分析用加勒-8和TGF-β治疗的小鼠结肠腺癌细胞.

主要成果:

  • 通过使用PC9和H1975细胞,MiProChip能够在TMT-10复合通道中识别3362个蛋白质组.
  • 对小鼠结肠癌细胞的分析确定了3199种蛋白质,每个细胞有1669种蛋白质.
  • 单细胞PCA揭示了细胞对加勒-8和TGF-β的明显反应,其中TGF-β具有主导作用.
  • 途径分析确定了特定的反应,并揭示了galectin-8的抗转移潜力,大量分析无法检测到.

结论:

  • MiProChip为高通量单细胞蛋白质组学提供了一个灵敏而强大的平台.
  • 该平台有效地捕捉到微妙的蛋白质组异质性和单细胞水平的依赖治疗的反应.
  • 对于发现特定的细胞机制,MiProChip比批量蛋白质组分析具有优势.