Aging eyes and aging brains in studying alzheimer's disease: Modern ophthalmic data collection in the adult changes in thought (ACT) study
研究阿尔茨海默病时的眼睛老化和大脑老化:成人思想变化 (ACT) 研究中的现代眼科数据收集
基本信息
- 批准号:10452548
- 负责人:
- 金额:$ 329.96万
- 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:2019-09-01 至 2024-05-31
- 项目状态:已结题
- 来源:
- 关键词:AdultAge related macular degenerationAge-associated memory impairmentAgingAlzheimer&aposs DiseaseAlzheimer&aposs disease diagnosisAlzheimer&aposs disease riskAmyloid beta-ProteinAngiographyAnteriorArchivesAutopsyBayesian ModelingBiological MarkersBlood VesselsBrainCaliforniaCerebrovascular DisordersCharacteristicsClinicClinicalClinical DataClinical ResearchCognitionCollaborationsCommunitiesConsentDataData CollectionDementiaDiabetic RetinopathyDiagnosisDiseaseDisease modelDrusenElderlyEvaluationEvolutionEyeEye diseasesFundusFundus photographyGanglion Cell LayerGlaucomaGoalsHomeImageImpaired cognitionInvestigationLaboratoriesLeadLifeMagnetic Resonance AngiographyMagnetic Resonance ImagingManualsMeasuresMicrovascular DysfunctionModelingModernizationNerve DegenerationNerve FibersNeuraxisOccipital lobeOphthalmologyOptical Coherence TomographyParticipantPathologyPerfusionPersonsPredispositionProcessProspective cohort studyProviderPublishingResearchResearch PersonnelResourcesRetinaRiskRoleScanningSelection BiasSeriesSeveritiesSeverity of illnessTechnologyTestingTimeUniversitiesVascular DiseasesVisitaging brainarea striataautomated algorithmbasecognitive changecohortdata sharingdeep learningdiagnosis qualityepidemiology studyfiber cellfollow-uphigh riskimaging biomarkerimaging modalityimprovedinnovationinterestneuroimagingneuropathologynovelpaired helical filamentpopulation basedprospectivepublic repositoryresearch studyresiliencetau Proteinstau-1vascular contributions
项目摘要
PROJECT SUMMARY ABSTRACT
The overarching goals of this R01 proposal are to improve scientific understanding of potential mechanisms by
which ophthalmic diseases lead to the risk of Alzheimer’s disease. The investigators will leverage modern
ophthalmic data with state-of-the-art imaging and extensive archived clinical data from a well-characterized
cohort of older adults. The investigators propose to examine the effect of structural and functional changes in
retina and longitudinal severity of ophthalmic diseases on Alzheimer’s disease and related neuropathology.
The proposal builds on the resources of the Adult Changes in Thought (ACT) study, a prospective longitudinal,
population-based, dementia-free cohort of over 5,500 people to date established in 1994 which has detected
>1,014 research quality diagnoses of Alzheimer’s disease and >1,254 dementia to date. ACT follows
consenting participants to autopsy and has performed state-of-the arts autopsy on >781 decedents to date.
In this extremely well-characterized cohort, the investigators found that several ophthalmic diseases (diabetic
retinopathy, glaucoma, age-related macular degeneration) are significantly associated with the risk of
developing Alzheimer’s disease. The investigators will use three advanced ophthalmic imaging modalities at
both home and clinical research study visits: fundus photography, optical coherence tomography (OCT), and
OCT angiography (OCTA), to obtain quantitative data relevant to these ophthalmic diseases. The study team
will establish the distribution (Aim 1a) and 2- and 4-year evolution of ophthalmic imaging characteristics found
in older adults in the community and determine associations with change in cognition (Aim 1 b, c). Additionally,
magnetic resonance imaging (MRI) and MRI angiography (MRA) will be obtained in a subset of participants to
investigate the contribution of small (retinal) and large (cerebral) vascular disease towards cognitive changes
(Aim 1d). The study team will continue ACT study’s strong commitment for meaningful data sharing. In
collaboration with the Laboratory of Neuro Imaging at University of Southern California, the study team will
promulgate these ophthalmic data in addition to neuroimaging data to the research community (Aim 1e).
In Aim 2, the investigators will use extensive clinical ophthalmology data captured over many decades and
incorporate them in novel longitudinal models of eye disease severity. The investigators will analyze eye
disease severity along with extensive neuropathology data from the ACT study, including both standard (Aim
2a) and novel quantitative (Aim 2b) neuropathology data, to further scientific understanding of
neuropathological mechanisms underlying associations between eye conditions and Alzheimer’s disease risk.
The brain is not amenable to direct observations during life. In contrast, the eye is an anterior extension of the
central nervous system and may provide a valuable window to illuminate neurodegenerative processes in the
aging brain. Proposed investigations will substantially enhance scientific understanding of the role of modern
ophthalmic evaluations in delineating risk of Alzheimer's disease and other forms of neuropathology.
项目摘要摘要
该R01提案的总体目标是提高对潜在机制的科学理解
眼科疾病导致了阿尔茨海默氏病的风险。调查人员将利用现代
具有最先进的成像和广泛的归档临床数据的眼科数据
老年人队列。研究人员建议检查结构和功能变化的影响
视网膜和眼科疾病的纵向严重程度对阿尔茨海默氏病和相关的神经病理学。
该提案建立在成人思想变化(ACT)研究的资源基础上,这是一个前瞻性纵向,
迄今为止,基于人群的,无痴呆的人群超过5500人
> 1,014个阿尔茨海默氏病的研究质量诊断和迄今为止> 1,254个痴呆症。行为如下
同意参与者进行尸检,并在> 781上进行了先进的尸检决定迄今为止。
在这个非常良好的人群中,研究人员发现几种眼科疾病(糖尿病患者
视网膜病变,青光眼,与年龄相关的黄斑变性)与患有的风险显着相关
发展阿尔茨海默氏病。调查人员将使用三种高级眼科成像方式
家庭和临床研究访问:眼底摄影,光学相干断层扫描(OCT)和
OCT血管造影(OCTA),以获取与这些眼科疾病有关的定量数据。研究团队
将建立眼科成像特征的分布(AIM 1A)和2年和4年的演变
在社区中的老年人中,并确定与认知变化的关联(AIM 1 B,C)。此外,
磁共振成像(MRI)和MRI血管造影(MRA)将在参与者的一部分中获得
研究小(视网膜)和大(脑)血管疾病对认知变化的贡献
(目标1d)。研究团队将继续ACT研究对有意义的数据共享的坚定承诺。在
与南加州大学的Neuro成像实验室合作,研究团队将
除了向研究界(AIM 1E)神经影像数据外,颁布了这些眼科数据。
在AIM 2中,研究人员将使用数十年来捕获的广泛临床眼科数据,并且
将它们纳入眼科疾病严重程度的新型纵向模型中。调查人员将分析眼睛
疾病的严重程度以及该法案研究的广泛神经病理学数据,包括标准(目标
2a)和新颖的定量(目标2B)神经病理学数据,以进一步科学理解
眼病与阿尔茨海默氏病风险之间关联的神经病理机制。
大脑不适合在生活中进行直接观察。相比之下,眼睛是
中枢神经系统,可能会提供一个有价值的窗口,以照亮神经退行性过程
衰老的大脑。拟议的调查将大大增强对现代作用的科学理解
在描述阿尔茨海默氏病和其他形式的神经病理学风险时进行了眼科评估。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Cecilia Sungmin Lee其他文献
Cecilia Sungmin Lee的其他文献
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{{ truncateString('Cecilia Sungmin Lee', 18)}}的其他基金
Aging eyes and aging brains in studying alzheimer's disease: Modern ophthalmic data collection in the adult changes in thought (ACT) study
研究阿尔茨海默病时的眼睛老化和大脑老化:成人思想变化 (ACT) 研究中的现代眼科数据收集
- 批准号:
10673131 - 财政年份:2019
- 资助金额:
$ 329.96万 - 项目类别:
Aging eyes and aging brains in studying alzheimer's disease: Modern ophthalmic data collection in the adult changes in thought (ACT) study
研究阿尔茨海默病时的眼睛老化和大脑老化:成人思想变化 (ACT) 研究中的现代眼科数据收集
- 批准号:
9816310 - 财政年份:2019
- 资助金额:
$ 329.96万 - 项目类别:
Aging eyes and aging brains in studying alzheimer's disease: Modern ophthalmic data collection in the adult changes in thought (ACT) study
研究阿尔茨海默病时的眼睛老化和大脑老化:成人思想变化 (ACT) 研究中的现代眼科数据收集
- 批准号:
10237257 - 财政年份:2019
- 资助金额:
$ 329.96万 - 项目类别:
Aging eyes and aging brains in studying alzheimer's disease: Modern ophthalmic data collection in the adult changes in thought (ACT) study
研究阿尔茨海默病时的眼睛老化和大脑老化:成人思想变化 (ACT) 研究中的现代眼科数据收集
- 批准号:
10005108 - 财政年份:2019
- 资助金额:
$ 329.96万 - 项目类别:
The ocular surface microbiome in potentially infectious ophthalmic disease
潜在传染性眼科疾病中的眼表微生物组
- 批准号:
9185320 - 财政年份:2014
- 资助金额:
$ 329.96万 - 项目类别:
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