Project 3: LRRK2 mediated macrophage responses in PD
项目 3:LRRK2 介导的 PD 巨噬细胞反应
基本信息
- 批准号:9976625
- 负责人:
- 金额:$ 31.47万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-09-30 至 2023-07-31
- 项目状态:已结题
- 来源:
- 关键词:AlabamaAnimal ModelAntisense OligonucleotidesAttenuatedAutomobile DrivingAutopsyBasic ScienceBiochemical PathwayBioinformaticsBloodBone MarrowBone Marrow TransplantationBrainBrain DiseasesBrain regionCell membraneCell physiologyCellsClinicalCytokine ReceptorsDerivation procedureDisease modelDisease susceptibilityGTP BindingGenesGeneticGenetic VariationHLA-DR AntigensHeritabilityImmuneImmunohistochemistryInflammationInflammatoryInflammatory ResponseInterferonsKnock-outKnockout MiceLRRK2 geneLaboratoriesLeukocytesLinkMeasuresMediatingMediationMicrogliaMidbrain structureModelingMosaicismMutationNatural ImmunityNerve DegenerationNeuronsOntologyParkinson DiseasePathogenesisPathogenicityPathway interactionsPatientsPeripheralPharmacologyPhosphotransferasesProductionProteinsRNA InterferenceRattusRodentSerumSubstantia nigra structureSurfaceSystemTechniquesTherapeuticTransgenic MiceTransgenic OrganismsTransplantationUp-RegulationVesicleWorkadaptive immunityalpha synucleinbone cellchemokine receptorcohortcytokinedisorder controlgenetic variantimmune activationimmune functioninduced pluripotent stem cellkinase inhibitormacrophagemolecular sequence databasemonocytemutation carrierneuroinflammationneuroprotectionnovelpars compactapredictive modelingreceptorrecruitresponsesmall moleculesynucleintooltraffickingtranscriptomics
项目摘要
Project 3- Summary “LRRK2 mediated macrophage responses in PD”
Post-mortem studies show that brains susceptible to Parkinson disease (PD) develop α-
synuclein inclusions in vulnerable neurons together with immune cell activation. Peripheral immune
cells are recruited to the most vulnerable brain regions such as the substantia nigra pars compacta.
Historically the interpretation of immune cell activation in the PD brain and pathogenesis has been
difficult to understand. However, recent genetic and transcriptomic profiling studies using new
sequence databases and gene ontology compendia show that immune cell function may underlie
much of the heritable aspects of PD susceptibility. These recent studies highlight a gene known as
leucine-rich repeat kinase 2 in driving some of the connection between immune function and PD
susceptibility. Rare genetic variants in LRRK2 are among the most common known genetic causes of
PD. In the P20 Exploratory center, we found that LRRK2 protein is highly expressed in peripheral
macrophages that are recruited nearby neurons in the brain that harbor α-synuclein inclusions.
Studies with global LRRK2-transgenic and knockout mice and rats suggest that LRRK2 may control
damaging pro-inflammatory responses in the brain through function in these macrophages.
As part of the proposed Alabama Udall Center to study “Innate and Adaptive Immunity in
Parkinson Disease,” we will define peripheral macrophage responses driven by LRRK2 in α-synuclein
induced neurodegeneration. Using genetic, pharmacological, and transplantation approaches, we will
restrict LRRK2 activation and inhibition to the periphery and in bone-marrow derived immune cells in
rat models of α-synuclein induced neurodegeneration. In parallel, we will study LRRK2 function in
macrophages isolated from patient blood to determine whether LRRK2 mutations exacerbate pro-
inflammatory responses in PD susceptibility. Further, we will examine whether macrophage
responses from de novo PD patients with elevated LRRK2 expression show elevated pro-
inflammatory responses and whether these can be rescued with LRRK2 kinase inhibitors and RNAi
approaches. With this work, we hope to gain a better understanding of LRRK2 function in
macrophages in neurodegeneration and proof-of-principle therapeutic approaches that might be
explored for neuroprotection in LRRK2-linked PD.
项目3-总结“LRRK2介导的巨噬细胞在PD中的反应”
项目成果
期刊论文数量(0)
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Andrew B West其他文献
Andrew B West的其他文献
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{{ truncateString('Andrew B West', 18)}}的其他基金
Project 3: LRRK2 mediated macrophage responses in PD
项目 3:LRRK2 介导的 PD 巨噬细胞反应
- 批准号:
10469390 - 财政年份:2018
- 资助金额:
$ 31.47万 - 项目类别:
Exosome LRRK2 in Predicting Parkinson Disease Phenotypes
外泌体 LRRK2 预测帕金森病表型
- 批准号:
9135110 - 财政年份:2016
- 资助金额:
$ 31.47万 - 项目类别:
Exosome LRRK2 in Predicting Parkinson Disease Phenotypes
外泌体 LRRK2 预测帕金森病表型
- 批准号:
9282760 - 财政年份:2016
- 资助金额:
$ 31.47万 - 项目类别:
LRRK2 and Other Novel Exosome Proteins in Parkinson's Disease
LRRK2 和其他新型外泌体蛋白在帕金森病中的作用
- 批准号:
9035559 - 财政年份:2015
- 资助金额:
$ 31.47万 - 项目类别:
LRRK2 and Other Novel Exosome Proteins in Parkinson's Disease
LRRK2 和其他新型外泌体蛋白在帕金森病中的作用
- 批准号:
8554393 - 财政年份:2012
- 资助金额:
$ 31.47万 - 项目类别:
LRRK2 and Other Novel Exosome Proteins in Parkinson's Disease
LRRK2 和其他新型外泌体蛋白在帕金森病中的作用
- 批准号:
8472329 - 财政年份:2012
- 资助金额:
$ 31.47万 - 项目类别:
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