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相关概念视频

Proteomics01:33

Proteomics

7.2K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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相关实验视频

Updated: Jun 12, 2025

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

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使用DROPPS生成高保真性蛋白质基因配置文件的协议.

Matthew Waas1, Meinusha Govindarajan2, Amanda Khoo2

  • 1Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada.

STAR protocols
|October 18, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了以滴滴为基础的蛋白质样本一制剂 (DROPPS),这是一种新的低投入方法,用于稀有细胞的高保真性蛋白质分析. 这种可访问的平台可以分析100-2,500个细胞,推进罕见细胞群体研究.

关键词:
细胞生物学 细胞生物学流动细胞计量是流动细胞计量的方法.蛋白质组学 蛋白质组学

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科学领域:

  • 蛋白质组学是指蛋白质组学.
  • 细胞生物学 细胞生物学
  • 生物化学 生物化学

背景情况:

  • 由于高样本输入要求,罕见细胞种群的蛋白质基因分析具有挑战性.
  • 现有的方法限制了有限的细胞数量的分析,阻碍了对稀缺的生物样本的研究.

研究的目的:

  • 提出一种新的,可访问的,低输入的高保真蛋白质基因分析协议.
  • 使用质谱法对罕见细胞群体进行深度蛋白质组分析.

主要方法:

  • 开发基于滴滴的蛋白质样品单制剂 (DROPPS).
  • 协议涉及在单个微升液滴井中沉积细胞物质,细胞溶解和蛋白质消化.
  • 使用质谱法进行高准确性蛋白质组定型.

主要成果:

  • DROPPS平台成功地从仅100个细胞中生成高保真性蛋白质基因配置文件.
  • 该协议是为低输入样本需求而设计的,可容纳100-2500个单元.
  • 证明了对罕见细胞群体进行深度蛋白质组分析的可行性.

结论:

  • DROPPS为低输入蛋白质组样本准备提供了一个易于使用的解决方案.
  • 预计该协议将加速在各种生物领域对罕见细胞种群的研究.
  • 促进了解有限和罕见细胞类型的蛋白质组的进步.