Synergistic Interaction of amyloid-beta and alpha-synuclein in Lewy body Dementia

路易体痴呆中β淀粉样蛋白和α-突触核蛋白的协同相互作用

基本信息

  • 批准号:
    10686893
  • 负责人:
  • 金额:
    $ 287.18万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-09-20 至 2025-06-30
  • 项目状态:
    未结题

项目摘要

The overarching goal of this proposed Lewy body dementia (LBD) center without walls (CWOW) is to understand synergistic interactions of amyloid-beta (Aβ) and alpha-synuclein (α-syn) and to determine how genetic risk factors, such as apolipoprotein E4, contribute to LBD pathogenesis. Using well-characterized postmortem brain tissue from the Mayo Clinic Brain Bank, CWOW investigators will probe genetics, transcriptomics, proteomics, lipidomics, structure, biochemistry, and function of Aβ and α-syn species in LBD. The CWOW has an Administrative Core and a Neuropathology and Biochemistry Core, as well as four research projects. The Administrative Core will provide fiscal and scientific oversight, management, and reporting functions. The Neuropathology and Biochemistry Core will provide neuropathologically well- characterized LBD brain samples and quantitative endophenotypes to all projects. The research projects are led by highly qualified investigators who focus on complementary and fundamental aspects of LBD. Project 1 will explore genetic correlates of clinical and pathologic heterogeneity of LBD, as well as cell-specific transcript data from single nuclei sequencing to build network analyses, which will provide insights into underlying disease mechanisms. Project 2 will identify and validate proteins and low-abundant bioactive lipid species in LBD brains that may be important to the unique pathologic signature of LBD. Project 3 will use state-of-the–art cryo-EM techniques to characterize the native and molecular structures of α-syn and Aβ filaments in LBD brain to generate novel insight into the etiology, toxicity and spreading of protein aggregates in this disease. Project 4 will isolate and characterize Aβ and α-syn subspecies from postmortem brains and use cellular models to reveal mechanistic insight into toxic pathways contributing to disease pathogenesis. We envision that, at the conclusion of the funding period, we will have made significant progress towards understanding unique structural and molecular features of LBD and how genetics and interactions between Aβ and α-syn contribute to the unique symptoms, progression, and underlying pathology of LBD.
这个拟议的无墙路易体痴呆(LBD)中心(CWOW)的首要目标是了解淀粉样蛋白β(Aβ)和α-突触核蛋白(α-syn)的协同相互作用,并确定遗传风险因素(如载脂蛋白E4)如何促进LBD发病机制。使用来自马约诊所脑库的特征良好的死后脑组织,CWOW研究人员将探索LBD中Aβ和α-syn种类的遗传学、转录组学、蛋白质组学、脂质组学、结构、生物化学和功能。CWOW有一个行政核心和神经病理学和生物化学核心,以及四个研究项目。行政核心将提供财政和科学监督、管理和报告职能。神经病理学和生物化学核心将为所有项目提供神经病理学上充分表征的LBD脑样本和定量内表型。研究项目由高素质的研究人员领导,他们专注于LBD的补充和基本方面。项目1将探索LBD临床和病理异质性的遗传相关性,以及来自单核测序的细胞特异性转录数据,以建立网络分析,这将为潜在的疾病机制提供见解。项目2将鉴定和验证LBD大脑中的蛋白质和低丰度生物活性脂质物质,这些物质可能对LBD的独特病理特征很重要。项目3将使用最先进的cryo-EM技术来表征LBD脑中α-syn和Aβ细丝的天然和分子结构,以产生对该疾病中蛋白质聚集体的病因、毒性和扩散的新见解。项目4将从死后大脑中分离和表征Aβ和α-syn亚种,并使用细胞模型揭示有助于疾病发病机制的毒性途径的机制。我们设想,在资助期结束时,我们将在了解LBD的独特结构和分子特征以及Aβ和α-syn之间的遗传学和相互作用如何促进LBD的独特症状,进展和潜在病理学方面取得重大进展。

项目成果

期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Analysis of monohexosyl alkyl (alkenyl)-acyl glycerol in brain samples by shotgun lipidomics.
  • DOI:
    10.1016/j.aca.2020.07.016
  • 发表时间:
    2020-09-08
  • 期刊:
  • 影响因子:
    6.2
  • 作者:
    Wang C;Wang J;Qin C;Han X
  • 通讯作者:
    Han X
Clinical and pathological characteristics of later onset multiple system atrophy.
  • DOI:
    10.1007/s00415-022-11067-1
  • 发表时间:
    2022-08
  • 期刊:
  • 影响因子:
    6
  • 作者:
  • 通讯作者:
Late-onset mania in autopsy-confirmed Lewy body disease: A rare symptom of prodromal dementia with Lewy bodies?
尸检证实的路易体病迟发性躁狂:路易体前驱痴呆的罕见症状?
  • DOI:
    10.1111/bdi.13246
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    5.4
  • 作者:
    Koga,Shunsuke;Sekiya,Hiroaki;Martin,NicholasB;Dickson,DennisW
  • 通讯作者:
    Dickson,DennisW
Homotypic fibrillization of TMEM106B across diverse neurodegenerative diseases.
  • DOI:
    10.1016/j.cell.2022.02.026
  • 发表时间:
    2022-04-14
  • 期刊:
  • 影响因子:
    64.5
  • 作者:
    Chang, Andrew;Xiang, Xinyu;Wang, Jing;Lee, Carolyn;Arakhamia, Tamta;Simjanoska, Marija;Wang, Chi;Carlomagno, Yari;Zhang, Guoan;Dhingra, Shikhar;Thierry, Manon;Perneel, Jolien;Heeman, Bavo;Forgrave, Lauren M.;DeTure, Michael;DeMarco, Mari L.;Cook, Casey N.;Rademakers, Rosa;Dickson, Dennis W.;Petrucelli, Leonard;Stowell, Michael H. B.;Mackenzie, Ian R. A.;Fitzpatrick, Anthony W. P.
  • 通讯作者:
    Fitzpatrick, Anthony W. P.
Diagnosing multiple system atrophy: current clinical guidance and emerging molecular biomarkers.
  • DOI:
    10.3389/fneur.2023.1210220
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
    Goolla, Meghana;Cheshire, William P.;Ross, Owen A.;Kondru, Naveen
  • 通讯作者:
    Kondru, Naveen
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DENNIS WILLIAM DICKSON其他文献

DENNIS WILLIAM DICKSON的其他文献

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{{ truncateString('DENNIS WILLIAM DICKSON', 18)}}的其他基金

Neuropathology Core
神经病理学核心
  • 批准号:
    10407938
  • 财政年份:
    2021
  • 资助金额:
    $ 287.18万
  • 项目类别:
Neuropathology Core
神经病理学核心
  • 批准号:
    10667443
  • 财政年份:
    2021
  • 资助金额:
    $ 287.18万
  • 项目类别:
Synergistic Interaction of amyloid-beta and alpha-synuclein in Lewy body Dementia
路易体痴呆中β淀粉样蛋白和α-突触核蛋白的协同相互作用
  • 批准号:
    10478180
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Synergistic Interaction of amyloid-beta and alpha-synuclein in Lewy body Dementia
路易体痴呆中β淀粉样蛋白和α-突触核蛋白的协同相互作用
  • 批准号:
    10022170
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Administrative Core
行政核心
  • 批准号:
    10686894
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Administrative Core
行政核心
  • 批准号:
    10022180
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Synergistic Interaction of amyloid-beta and alpha-synuclein in Lewy body Dementia
路易体痴呆中β淀粉样蛋白和α-突触核蛋白的协同相互作用
  • 批准号:
    10237297
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Neuropathology and Biochemistry Core
神经病理学和生物化学核心
  • 批准号:
    10478183
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Neuropathology Core
神经病理学核心
  • 批准号:
    10657557
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:
Neuropathology and Biochemistry Core
神经病理学和生物化学核心
  • 批准号:
    10237299
  • 财政年份:
    2019
  • 资助金额:
    $ 287.18万
  • 项目类别:

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