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相关概念视频

Proteomics01:33

Proteomics

7.4K
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...
7.4K

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相关实验视频

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Quantitative Mass Spectrometric Profiling of Cancer-cell Proteomes Derived From Liquid and Solid Tumors
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对于固体器官组织的临床蛋白质学.

William S Phipps1, Mark R Kilgore1, Jacob J Kennedy2

  • 1Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, Washington, USA.

Molecular & cellular proteomics : MCP
|September 20, 2023
PubMed
概括
此摘要是机器生成的。

质谱学为免疫组织化学提供了更好的标准化和可重复性,这是一个关键的诊断技术. 这种先进的方法可以更准确地量化蛋白质,并进行多重分析,以便更好地治疗和诊断癌症.

关键词:
临床蛋白质组学免疫组织化学 免疫组织化学质谱测量质谱测量质谱测量质谱测量质量测量质谱测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量质量测量病理学的病理学标准化 标准化 标准化有针对性的蛋白质组学.组织分析 组织分析没有针对性的蛋白质组学.

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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相关实验视频

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科学领域:

  • 生物医学诊断 生物医学诊断
  • 分析化学是一种分析化学.
  • 病理学 病理学 病理学

背景情况:

  • 对活检的固体器官组织进行显微镜检查是标准实践.
  • 免疫组织化学 (IHC) 对于识别诊断中的细胞标记物和治疗点至关重要.
  • 传统的IHC在标准化和可重复性方面面临挑战,原因是对抗体的依赖和有限的多重复合.

研究的目的:

  • 为了调查传统免疫组织化学的挑战.
  • 探索质谱法 (MS) 解决这些局限性的潜力.
  • 讨论MS在病理学中的临床实用性和标准化.

主要方法:

  • 审查传统的免疫组织化学方法及其局限性.
  • 讨论质谱技术,包括液体染色学-双重质谱 (LC-MS/MS).
  • 探索针对性MS试验以量化蛋白质,以及针对性MS试验以检测多重蛋白质.

主要成果:

  • 针对性MS测定提供了可靠的量化和使用内部标准提高了实验室间可重复性.
  • 非向性MS可实现固有的多重复合,用于检测和量化数百到数千种蛋白质.
  • 数据独立获取MS具有临床应用的潜在优势,尽管尚未得到广泛应用.

结论:

  • 质谱学,特别是LC-MS/MS,为克服IHC中的标准化和可重复性问题提供了一个有希望的替代方案.
  • 多样性硬化促进了更准确的蛋白质测量和高复合分析,增强了诊断病理和癌症治疗.
  • 为了更广泛的临床采用和标准化在病理学中基于MS的测试,需要指导.