Development of an Innovative Vervet (Chlorocebus aethiops sabaeus) Model of Early Alzheimer's-like Neuropathology and Symptomatology
开发早期阿尔茨海默病样神经病理学和症状学的创新黑长尾猴(Chlorocebus aethiops sabaeus)模型
基本信息
- 批准号:10483200
- 负责人:
- 金额:$ 130.52万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-09-15 至 2025-05-31
- 项目状态:未结题
- 来源:
- 关键词:AchievementAffectAfrican Green MonkeyAgeAgingAlzheimer&aposs DiseaseAlzheimer&aposs disease modelAlzheimer&aposs disease pathologyAlzheimer&aposs disease riskAlzheimer’s disease biomarkerAmericanAmyloid beta-42Amyloid beta-ProteinAnimal ModelBiological MarkersBiological Specimen BanksBloodBlood PressureBrainCapsicumCercopithecus tantalusCerebrospinal FluidCerebrumCharacteristicsClinical TrialsCognitiveCognitive agingCognitive deficitsCollaborationsCollectionComplexDataDementiaDevelopmentDiseaseDisease ProgressionEarly InterventionEarly Onset Familial Alzheimer&aposs DiseaseEndocrineEnvironmentEtiologyFDA approvedGene Expression ProfileGenesGlucoseGlucose IntoleranceGoalsHumanHypertensionImageImpaired cognitionIncidenceInterventionLate Onset Alzheimer DiseaseLiquid substanceMagnetic Resonance ImagingMicrotubulesModelingNeuraxisNeurocognitive DeficitNeurofibrillary TanglesObesityOutcomePeptidesPersonsPhylogenetic AnalysisPhysical FunctionPhysical activityPositron-Emission TomographyPredictive ValueProtocols documentationPsychosocial StressResearchResistanceResourcesRisk FactorsSenile PlaquesSequence HomologySleepStressStructureSymptomsTissue imagingTracerTransgenic MiceTransgenic ModelTranslatingage relatedbrain tissuebrain volumeclinically relevantcognitive functioncohortdata repositoryforestglucose metabolismimage archival systemimaging biomarkerimaging capabilitiesimaging studyimpaired glucose toleranceinnovationinsightmodifiable riskmotor deficitneuropathologynonhuman primatenoveloverexpressionpoor sleeprepositoryresilienceresponsesocialstudy characteristicssymptomatologytau Proteinstau aggregationvervet
项目摘要
This application is in response to RFA-AG-21-003: New/Unconventional Animal Models of Alzheimer’s Disease
(AD). Currently available animal models of AD mostly model the less common early-onset familial AD and have
poor predictive value in clinical trials. However, nonhuman primates are useful for studying characteristics of
the more clinically relevant late-onset sporadic AD because of their phylogenetic similarity to humans in brain
structure and function; complex endocrine, social, and cognitive characteristics; large size favorable for
imaging studies and cerebrospinal fluid collection; and sequence homology with humans for both tau and Aβ
beta-amyloid (Aβ). Vervets show age-related brain changes similar to humans, including increased Aβ plaque
burden, cognitive and motor deficits, increased AD biomarkers in cerebrospinal fluid, paired helical filament tau
(PHF-tau) formation, decreased brain volumes, decreased cerebral glucose utilization, and altered cortical
transcription profiles. NHPs require further study to understand their apparent resistance to developing
extensive neurofibrillary tangles which may provide insight into mechanisms underlying resilience, to
characterize central nervous system tau species, and to develop PET tracers for Aβ and other targets
associated with AD and dementia .Modifiable risk factors that are potential targets for early intervention in
humans include obesity, hypertension, physical activity, impaired glucose tolerance, psychosocial stress, and
poor sleep. Vervets respond to stress like humans and may become obese. Age increases their rates of
hypertension and impaired glucose tolerance accompanied by decreased Aβ42/Aβ40 in cerebrospinal fluid.
Thus, vervets may provide opportunities for translational and mechanistic research highly relevant to late-onset
sporadic AD. The premise of the proposed research is that vervets are a promising model of late-onset
sporadic AD in which AD-related disease progression could be characterized and altered by early intervention
on modifiable risk factors. The overarching goal is to further develop, characterize, and validate the vervet
model of neuropathology and cognitive decline, while identifying novel targets for early intervention for AD
characteristics. Our Specific Aims are to determine age-related changes in cognitive and physical function,
cerebrospinal fluid and imaging biomarkers; identify targets for early intervention by characterizing modifiable
risk factors for late-onset sporadic AD; and assess the predictive validity of these risk factors for
neuropathology in 30 vervets from our Vervet Research Colony (from 10 to 30 years old) which comprise the
Aging Vervet Cohort. Unique resources at Wake Forest that will assure rapid progress toward our goal include
our Alzheimer’s Disease Research Center; Aging Vervet Cohort, extensive Biospecimen, Data and Image
Repository, unique nonhuman primate imaging capabilities, expertise in nonhuman primate research, and
close collaboration with our Claude D. Pepper Older Americans Independence Center.
本申请是响应RFA-AG-21-003:阿尔茨海默病的新/非常规动物模型
项目成果
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{{ truncateString('SUZANNE CRAFT', 18)}}的其他基金
PET imaging of microtubules in cognitively normal and impaired older adults
认知正常和受损老年人的微管 PET 成像
- 批准号:
10915761 - 财政年份:2023
- 资助金额:
$ 130.52万 - 项目类别:
Development of an Innovative Vervet (Chlorocebus aethiops sabaeous) Model of Early Alzheimer’s-like Neuropathology and Symptomatology
开发早期阿尔茨海默病样神经病理学和症状学的创新黑长尾猴(Chlorocebus aethiops sabaeous)模型
- 批准号:
10845821 - 财政年份:2021
- 资助金额:
$ 130.52万 - 项目类别:
Development of an Innovative Vervet (Chlorocebus aethiops sabaeus) Model of Early Alzheimer's-like Neuropathology and Symptomatology
开发早期阿尔茨海默病样神经病理学和症状学的创新黑长尾猴(Chlorocebus aethiops sabaeus)模型
- 批准号:
10663993 - 财政年份:2021
- 资助金额:
$ 130.52万 - 项目类别:
Development of an Innovative Vervet (Chlorocebus aethiops sabaeus) Model of Early Alzheimer's-like Neuropathology and Symptomatology
开发早期阿尔茨海默病样神经病理学和症状学的创新黑长尾猴(Chlorocebus aethiops sabaeus)模型
- 批准号:
10281758 - 财政年份:2021
- 资助金额:
$ 130.52万 - 项目类别:
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