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相关实验视频

Updated: Jun 20, 2025

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae
15:41

Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae

Published on: October 12, 2009

10.0K

一个快速的一工作流程,用于敏感的微尺度蛋白组学.

Gul Muneer1,2,3, Ciao-Syuan Chen1, Tzu-Tsung Lee1

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

Journal of proteome research
|July 22, 2024
PubMed
概括
此摘要是机器生成的。

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IsoPS-DIA: Dual Functionality of Absolute Targeted Quantification and Global Proteome Profiling.

Analytical chemistry·2026

新的一式蛋白质组学工作流 (SOP-Phos) 与数据独立采集质谱 (DIA-MS) 结合,显著提高了微尺度蛋白质组学分析的灵敏度和效率.

科学领域:

  • 生物化学 生物化学
  • 分析化学 分析化学
  • 分子生物学分子生物学

背景情况:

  • 由于样本的复杂性和输入要求,光蛋白质组学敏感性在历史上落后于单细胞蛋白质组学.
  • 现有的方法通常涉及漫长的样本准备和大量的样本量,限制了微观应用.

研究的目的:

  • 为微观分析开发一个快速,灵敏和强大的单一式蛋白组学工作流程 (SOP-Phos).
  • 将SOP-Phos与数据独立采集质谱学 (DIA-MS) 集成,以改善蛋白质的识别和量化.

主要方法:

  • 一种新型的单协议 (SOP-Phos),使用单管中的脱氧化溶解,直接化和TiO2珠子丰富.
  • 与n-dodecyl β-d-maltoside预涂管的整合,以最大限度地减少吸附性损失.
  • 应用数据独立采集质谱法 (DIA-MS) 进行增强的数据采集.

主要成果:

  • 在3-4小时内完成了SOP-Phos工作流,实现了1.4倍更高的光识别覆盖率.
  • SOP-Phos-DIA表现出>90%的特异性,增强的灵敏度,低缺失值 (<1%) 和改善的可复制性 (8-10% CV).
  • 从低微克克的细胞溶解物和数千个细胞中识别了成千上万的类,使得像EGFR自酸化这样的关键信号位点的映射成为可能.
关键词:
独立于数据的获取作为EGFR-氨酸激酶抑制剂 (TKI) 的一种.肺癌 肺癌 是 一种 肺癌.酸蛋白组学 酸蛋白组学 酸蛋白组学样品的准备 样品的准备

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Quantitative Phosphoproteomics in Fatty Acid Stimulated Saccharomyces cerevisiae
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结论:

  • SOP-Phos-DIA是微尺度蛋白质组分析的高效和强大的协议.
  • 工作流显著提高了灵敏度,并减少了样本输入要求.
  • 在肺癌模型中证明了可行性,为EGFR-TKI耐药性提供了机械洞察力.