Multiplexing Protein Analysis Core

多重蛋白质分析核心

基本信息

项目摘要

The goal of the Multiplexing Protein Analysis Core (MPAC) is to provide users with specialized tools to determine the dynamic regulation of the proteome. As in the previous cycle, our primary service includes the rigorous, sensitive and precise quantification of panels of proteins relevant to the basic biology of aging and age-related disease. For this cycle, we expand the capabilities of the core by adding stable isotope tracer experiments with deuterium oxide (D2O) to measure the turnover of proteins. Although core facilities that offer discovery-based proteomics are relatively common, only a few cores offer these targeted methods. Further, the Core offers these assays in panels that interrogate specific biochemical pathways important in aging and can design new assays and panels on request for any protein from any animal with a sequenced genome. In addition, the Core can use its targeted approaches for post-translational modifications such as phosphorylation. There are also relatively few laboratories with the expertise to measure protein turnover rates using stable isotopes. Measuring synthetic rates with tracers requires proper study design, mass spectrometry with appropriate sample preparation and analysis, and correct interpretation of data. The advantages of D2O for Core users are significant. Specifically, it is cheap, highly sensitive, flexible, biologically inert, lends itself to long-term labeling, and can be used to measure the synthesis of a variety of molecules. The combination of D2O labeling and targeted proteomics in one sample allows users to understand changes in the content of individual proteins, the turnover processes that drive the changes, and mechanisms such as cell proliferation and ribosomal biogenesis that contribute to these changes. Finally, the analyses provided by the core are made on frozen samples, facilitating ease of sample collection for outside users. The Core proposes two specific aims: 1) Develop and apply high throughput multiplexed protein quantification for panels of proteins, including post-translational modifications, in experimental systems used by Geroscience investigators, including mice, rats, fruit flies, C.elegans, and yeast, and 2) Use stable isotope labeling and analysis in combination with multiplexed protein quantification to measure turnover of individual proteins as well as processes that contribute to the regulation of protein abundance. To accomplish the aims, the MPA Core uses selected reaction monitoring (SRM) and parallel reaction monitoring (PRM) in tandem mass spectrometry systems or high-resolution accurate mass (HRAM) selected ion monitoring (SIM) in an orbitrap mass spectrometry system, as well as GC-MS based analysis of supportive measurements. The ability to adapt these procedures to multiple cell types, tissues, and model organisms make the MPA Core a significant resource for the aging research community.
多重蛋白质分析核心(MPAC)的目标是为用户提供专门的工具, 决定蛋白质组的动态调节。与上一个周期一样,我们的主要服务包括 对与衰老基本生物学相关的蛋白质组进行严格、灵敏和精确的定量, 与年龄有关的疾病。对于这个循环,我们通过添加稳定同位素示踪剂来扩展堆芯的能力 用氧化氘(D2 O)进行实验以测量蛋白质的周转。虽然核心设施提供 基于发现的蛋白质组学相对常见,只有少数核心提供这些有针对性的方法。此夕h 核心提供了这些检测小组,询问特定的生化途径,在衰老中很重要, 根据要求设计新的检测方法和检测板,用于检测来自任何动物的任何蛋白质,并进行基因组测序。在 此外,核心可以使用其靶向方法进行翻译后修饰, 磷酸化具有测量蛋白质周转率专业知识的实验室也相对较少 使用稳定同位素。用示踪剂测量合成率需要适当的研究设计,质谱 适当的样品制备和分析以及正确的数据解释。D2 O的优势 对于核心用户来说,意义重大。具体地说,它是廉价的,高度敏感的,灵活的,生物惰性的, 长期标记,并可用于测量各种分子的合成。的组合 在一个样品中进行D2 O标记和靶向蛋白质组学,使用户能够了解 单个蛋白质,驱动变化的周转过程,以及细胞增殖等机制 和核糖体的生物合成。最后,核心提供的分析是 在冷冻样本上制作,便于外部用户轻松采集样本。核心建议2 具体目的:1)开发和应用高通量多重蛋白质定量用于蛋白质组, 包括翻译后修饰,在老年科学研究者使用的实验系统中, 包括小鼠、大鼠、果蝇、秀丽隐杆线虫和酵母,以及2)使用稳定同位素标记和分析, 与多重蛋白质定量组合以测量单个蛋白质的周转以及 有助于调节蛋白质丰度的过程。为了实现这些目标,MPA核心使用 串联质谱中的选择反应监测(SRM)和平行反应监测(PRM) 系统或轨道阱质量中的高分辨率精确质量(HRAM)选择离子监测(SIM 光谱分析系统,以及支持性测量的基于GC-MS的分析。适应能力 这些针对多种细胞类型、组织和模式生物的程序使MPA核心成为一个重要的 老龄化研究社区的资源。

项目成果

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Michael T Kinter其他文献

Michael T Kinter的其他文献

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{{ truncateString('Michael T Kinter', 18)}}的其他基金

IDeA National Resource for Quantitative Proteomics
IDeA 国家定量蛋白质组学资源
  • 批准号:
    10408179
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
IDeA National Resource for Quantitative Proteomics Supplement
IDeA 国家定量蛋白质组学补充资源
  • 批准号:
    10796571
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
IDeA National Resource for Quantitative Proteomics
IDeA 国家定量蛋白质组学资源
  • 批准号:
    10634671
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
Admin Supplement to IDeA National Resource for Quantitative Proteomics
IDeA 国家定量蛋白质组学资源管理补充
  • 批准号:
    10399312
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
IDeA National Resource for Quantitative Proteomics - Google/STRIDES Admin Supplement
IDeA 国家定量蛋白质组学资源 - Google/STRIDES 管理补充
  • 批准号:
    10409203
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
IDeA National Resource for Quantitative Proteomics
IDeA 国家定量蛋白质组学资源
  • 批准号:
    10240519
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
Supplement for Google cloud build-out
Google 云构建的补充
  • 批准号:
    10633454
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
IDeA National Resource for Quantitative Proteomics
IDeA 国家定量蛋白质组学资源
  • 批准号:
    10025463
  • 财政年份:
    2020
  • 资助金额:
    $ 18.68万
  • 项目类别:
Multiplexing Protein Analysis Core
多重蛋白质分析核心
  • 批准号:
    10044527
  • 财政年份:
    2015
  • 资助金额:
    $ 18.68万
  • 项目类别:
Multiplexing Protein Analysis Core
多重蛋白质分析核心
  • 批准号:
    10649633
  • 财政年份:
    2015
  • 资助金额:
    $ 18.68万
  • 项目类别:

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