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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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Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

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Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult...
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相关实验视频

Updated: Jun 4, 2025

Enrichment of Extracellular Matrix Proteins from Tissues and Digestion into Peptides for Mass Spectrometry Analysis
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一个多酶协议改善了细胞外矩阵中的总蛋白质覆盖.

Ying Xi1, Leonard B Collins2, Hongxia Bai1

  • 1Department of Chemistry, North Carolina State University, Raleigh, NC, USA.

Methods in molecular biology (Clifton, N.J.)
|December 23, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的多酶蛋白质组学方法来分析细胞外矩阵 (ECM) 组成. 这种增强的分析有助于理解ECM.

关键词:
从底部向上的蛋白质组学原酶是一种原酶.脱细胞化细胞外基质 (ECM)弹性酶 (Elastase) 是一种可靠的药物.水凝是一种水凝.质谱测量质量谱测量试素/lys-C 的使用.

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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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科学领域:

  • 生物化学 生物化学
  • 蛋白质组学是指蛋白质组学.
  • 生物材料科学 生物材料科学

背景情况:

  • 来自哺乳动物组织的脱细胞化细胞外基质 (ECM) 用于治疗.
  • 组织特异性的ECM组成会影响治疗疗效.
  • 了解ECM修复机制受到不完整的蛋白质组分析的限制.

研究的目的:

  • 开发一个改进的蛋白质组学工作流程,用于全面的ECM分析.
  • 为了提高ECM样本的消化和蛋白质覆盖率.
  • 为了促进ECM组成和治疗效果之间的机制相关性.

主要方法:

  • 采用了多酶,自下而上的蛋白质组学方法.
  • 使用的酶包括素,Lys-C,原酶和弹性酶.
  • 这个工作流旨在改善ECM消化和蛋白质识别.

主要成果:

  • 描述的工作流可以提高复杂的ECM样本的消化.
  • 实现了增加总蛋白质覆盖率.
  • 标准化结果允许精确识别ECM组成变化.

结论:

  • 增强的蛋白质组学工作流提供了对ECM组成的更深入的见解.
  • 这有助于更好地了解ECM修复机制.
  • 允许ECM组成和治疗性能之间的机械相关性.