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中文摘要
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总结 病原体与宿主相互作用的膜蛋白效应子。该项目的目标是开发一个 理解人类宿主防御与微生物病原体相互作用的方式的框架, 与年龄有关的压力。许多病原体已经进化出通过招募来逃避先天免疫的策略 补充调节因子到微生物细胞表面。另外,随着年龄的增长- 相关性黄斑变性(AMD)和阿尔茨海默病(AD)也富含参与 先天免疫尽管这些过程的生物医学重要性,机械知识是有限的。这 研究项目旨在解决这一知识差距。我们专注于确定结构基础, 人血蛋白质在免疫、止血和细胞粘附中的两种中心相互作用和细胞粘附, 迁移:(1)与来自细菌病原体鼠疫耶尔森氏菌的外膜蛋白相互作用, 重要的发病机制,和(2)与脂质和生物矿物质的相互作用,是相关的形成, 与AMD和AD相关的病理性沉积物。在这些高度异质的环境中, 在人类健康中发挥核心作用,但在科学知识库中的代表性严重不足。我们的目标是 这一基本的知识鸿沟。解决这些问题对于全面推进 疾病过程的知识,并制定诊断,预防和治疗方法。的 研究战略是多学科的。它在很大程度上依赖于结构生物学技术,特别是解决 NMR和固态NMR。 1
英文摘要
SUMMARY Membrane protein effectors of pathogen interactions with host. The goal of this project is to develop a framework for understanding the way in which the human host defenses interact with microbial pathogens and age-related stressors. Many pathogens have evolved strategies to evade innate immunity by recruiting complement regulatory factors onto the microbial cell surface. Moreover, the ectopic deposits that form in age- related macular degeneration (AMD) and Alzheimer's disease (AD) are also rich in blood proteins involved in innate immunity. Despite the biomedical importance of these processes, mechanistic knowledge is limited. This research project is designed to address this knowledge gap. We focus on determining the structural basis for two central interactions of human blood proteins involved in immunity, hemostasis and cell adhesion and cell migration: (1) interactions with outer membrane proteins from the bacterial pathogen Yersinia pestis that are important for pathogenesis, and (2) interactions with lipids and biominerals that are relevant to the formation of pathological deposits associated with AMD and AD. Proteins in these highly heterogenous environments play central roles in human health but are highly under-represented in the scientific knowledge base. We aim to bridge this fundamental knowledge gap. Addressing these problems is important for advancing comprehensive knowledge of the disease process and for developing diagnostic, preventive, and therapeutic approaches. The research strategy is multidisciplinary. It relies significantly on structural biology techniques, particularly solution NMR and solid-state NMR. 1
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Project 1 - Molecular structure and function
  • 批准号:
    10628928
  • 项目类别:
  • 资助金额:
    $63.79万
  • 财政年份:
    2023
  • 负责人:
    Francesca M Marassi
  • 依托单位:
Molecular mechanisms of calcification: roles and opportunities in diseases of aging
  • 批准号:
    10628925
  • 项目类别:
  • 资助金额:
    $262.85万
  • 财政年份:
    2023
  • 负责人:
    Francesca M Marassi
  • 依托单位:
Core A - Administration
  • 批准号:
    10628926
  • 项目类别:
  • 资助金额:
    $14.55万
  • 财政年份:
    2023
  • 负责人:
    Francesca M Marassi
  • 依托单位:
Core B - Biomolecular tools
  • 批准号:
    10628927
  • 项目类别:
  • 资助金额:
    $37.0万
  • 财政年份:
    2023
  • 负责人:
    Francesca M Marassi
  • 依托单位:
海外基金