Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology

通过材料化学和纳米技术实现自上而下的蛋白质组学

基本信息

  • 批准号:
    9982021
  • 负责人:
  • 金额:
    $ 29.74万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-09-25 至 2024-06-30
  • 项目状态:
    已结题

项目摘要

Summary In the post-genomics era, a comprehensive analysis of “proteoforms” that arise from genetic variations and post-translational modifications (PTMs) is essential for understanding biological systems at a functional level and for dissecting complex molecular systems with consideration of individual variability for precision medicine. Top- down mass spectrometry (MS)-based proteomics that analyzes intact proteins is the most powerful method to comprehensively characterize proteoforms to decipher the PTM codes together with sequence variations. Although significant strides have been made recently in both MS hardware and software to advance top-down MS closer to the mainstream, top-down proteomics still faces major challenges. In particular, the proteome is extremely complex and has a high dynamic range in addition to the low solubility of many proteins, making it highly challenging for high-throughput proteomic study. Building on the success in the last funding period, in this multiple-PI renewal application, we will continue to develop innovative strategies empowered by nanotechnology and materials/organic chemistry to further address the challenges in top-down proteomics. The specific objectives of this proposal are: 1) To address the protein solubility challenge, we will develop a novel strategy enabled by a photocleavable surfactant for extracellular matrix (ECM) proteomics; and design, synthesize, and evaluate a novel class of photocleavable nonionic surfactants that can retain the native structures of proteins for native MS-based top-down proteomics. 2) To address the high dynamic range challenge, we will develop novel surface functionalized magnetic nanoparticles (NPs) to mimic antibodies for capturing and enriching low abundance proteins, such as cardiac troponin I (cTnI, a gold-standard biomarker for heart diseases) from tissues/blood and G-protein coupled receptors (GPCRs, a major class of drug targets) from cells/tissues, for downstream comprehensive analysis of all proteoforms by top-down proteomics. Our highly interdisciplinary approach integrates materials chemistry/nanotechnology with top-down MS-based proteomics, and is based on an existing productive collaboration between two PIs that has led to significant progress and publications from the past funding period. Success in our proposed research will provide innovative tools to enable top-down proteomics of poorly soluble and low abundance proteins, which will lay important technological foundation for understanding the critical role that ECM plays in disease progression in cancer and cardiac diseases, defining the structure-function relationship of native membrane complexes, developing a comprehensive cTnI assay for the diagnosis of cardiac diseases with high accuracy, and understanding the important roles of GPCR signaling during the onset of numerous human diseases including cancer, diabetes, and cardiovascular diseases.
总结

项目成果

期刊论文数量(0)
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会议论文数量(0)
专利数量(0)

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Ying Ge其他文献

Ying Ge的其他文献

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{{ truncateString('Ying Ge', 18)}}的其他基金

MASH Explorer, a Comprehensive Software Environment for Top-Down Proteomics
MASH Explorer,自上而下蛋白质组学的综合软件环境
  • 批准号:
    9904714
  • 财政年份:
    2018
  • 资助金额:
    $ 29.74万
  • 项目类别:
Agilent Complete 2D-LC-QTOF System
安捷伦完整的 2D-LC-QTOF 系统
  • 批准号:
    10797808
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    10727013
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Materials Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    10653557
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    10669640
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    10246801
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    10437916
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    9336949
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Enabling Top-Down Proteomics through Material Chemistry and Nanotechnology
通过材料化学和纳米技术实现自上而下的蛋白质组学
  • 批准号:
    9010161
  • 财政年份:
    2015
  • 资助金额:
    $ 29.74万
  • 项目类别:
Deciphering Myofilament Modifications in Ischemic Cardiomyopathy
破译缺血性心肌病中的肌丝修饰
  • 批准号:
    8605545
  • 财政年份:
    2013
  • 资助金额:
    $ 29.74万
  • 项目类别:

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