GXI Interactions
GXI 交互
基本信息
- 批准号:10628511
- 负责人:
- 金额:$ 60.95万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-08-15 至 2028-07-31
- 项目状态:未结题
- 来源:
- 关键词:2019-nCoVAcuteAcute Respiratory Distress SyndromeAdultAfricanAfrican American populationAgeAge YearsAlzheimer&aposs DiseaseAlzheimer&aposs disease related dementiaAlzheimer&aposs disease riskAmerindianAnosmiaArgentinaBiologicalCOVID-19COVID-19 impactCOVID-19 morbidityCOVID-19 mortalityCOVID-19 patientCaucasiansCause of DeathChildChinaCitiesComplexDataDementiaDiseaseElderlyEncephalopathiesEnvironmental Risk FactorEthnic OriginEtiologyFosteringFutureGene ExpressionGene FrequencyGenesGeneticGenetic VariationGenotypeHeritabilityHypoxic-Ischemic Brain InjuryImpaired cognitionIndividualInfectionJointsMeasuresMethodsMexican AmericansModelingMorbidity - disease rateNative AmericansNerve DegenerationNervous System PhysiologyNeurobiologyNeurocognitiveNeurologicNeuronsNeuropathyParkinson DiseasePathologicPathologyPathway interactionsPatientsPersonsPhenotypePneumoniaPopulationPopulation HeterogeneityPredispositionPrevalenceProteinsPublic HealthPuerto RicanRecording of previous eventsRiskSARS-CoV-2 infectionSouth AmericanStrokeSymptomsTestingTimeVariantacute hypoxemic respiratory failureaging brainblood-based biomarkerbrain basedcohortdementia riskdesignendophenotypeexperiencegenetic architecturegenetic epidemiologygenome-widehealth care service utilizationhigh riskhuman old age (65+)identity by descentimprovedinsightinter-individual variationmortalitynervous system disorderneuroimagingneuropsychiatrypandemic diseaseresponsewhole genome
项目摘要
PROJECT SUMMARY/ABSTRACT
By 2050, more than 2 billion people worldwide will be over the age of 65, with older adults outnumbering
children for the first time in recorded history. This predicted major demographic shift highlights the importance
of improving our understanding of factors that contribute to healthy brain aging. Currently, the biological bases
of brain aging are poorly understood. Brain aging (often focused on cognitive decline) is characterized by
numerous phenotypes that undoubtedly involve multiple environmental and genetic factors. Overtly
pathological brain aging is seen in major neurological diseases such as Alzheimer’s disease and related
dementias (ADRD); the prevalence of ADRD is expected to double every 20 years. On top of this existing
public health crisis, we are now experiencing a global pandemic that appears to negatively influence
neurological function. Growing evidence indicates that SARS-CoV-2 infection causes neurological
complications of short-term consequence including acute neuropathy, encephalopathy, anosmia, and
hypoxic/ischemic brain injury, and longer-term consequences including cognitive impairment and
neuropsychiatric disturbances.
The interindividual variation in the neurobiological responses to SARS-CoV-2 is marked. As with most
complex phenotypes, causal determinants likely include both genetic and environmental factors. However, no
genetic epidemiological study has yet considered differential neurophenotypic response to infection. Thus,
delineating the genetic architecture of ADRD-relevant neurophenotypic responses to SARS-CoV-2 will offer
important biological insights, which in turn could provide strategies for fostering healthy brain aging in the
presence of future infectious challenges. Our project will assess the genetic basis of ADRD-relevant
endophenotypic response (across a two year period with three examinations) to SARS-CoV-2 infection in a set
of older (>60 years of age) adults from diverse populations (Amerindians from Argentina [ n=3000], US Native
Americans [n=250], Mexican Americans [n=500], Puerto Ricans [n=125], African Americans [n=125], and
Africans [n=300]) using whole genome sequence (WGS) data in a case/control design (75% post-infection
cases, 25% never infected controls). The data generated will enable estimating the importance of genetics in
disease response and the identification of key genes involved in the response. Our specific aims are to: 1)
detect genetic influences on endophenotypic responses to SARS-CoV-2 infection using WGS data through
testing for genotype×infection interaction in neurocognitive measures (neurocognitive measures, neuroimaging
measures, and blood-based biomarkers); 2) search for sequence variation in genes and gene pathways
influencing response to SARS-CoV-2 infection; and 3) test whether between-population variation in mean
responses to infection has a genetic component. This project represents the genetic component of a large,
integrated U19 application to examine the effect of COVID-19 on risk for ADRD in understudied ethnicities.
Through the proposed project, we will identify causal genetic factors that underly differential response in ADRD
risk to COVID-19.
项目总结/文摘
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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John Blangero其他文献
John Blangero的其他文献
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{{ truncateString('John Blangero', 18)}}的其他基金
Experimental Cellular Approaches to Genotype × Environment Interaction
基因型与环境相互作用的实验细胞方法
- 批准号:
10630638 - 财政年份:2023
- 资助金额:
$ 60.95万 - 项目类别:
Shared Genetic and Environmental Influences on Age-Related Hearing Loss, Cognitive Decline, and Dementia Risk
遗传和环境对与年龄相关的听力损失、认知能力下降和痴呆风险的共同影响
- 批准号:
10658077 - 财政年份:2023
- 资助金额:
$ 60.95万 - 项目类别:
Research Project 2 - Genomic Approaches to Pollutome Effects on Risk of Major Depression in Hispanic Pedigrees
研究项目 2 - 污染组学方法对西班牙裔谱系中重度抑郁症风险的影响
- 批准号:
10749788 - 财政年份:2023
- 资助金额:
$ 60.95万 - 项目类别:
Identification of the Exposome in Fatty Liver Disease in Mexican American Families Using Genetic Correction
使用基因校正鉴定墨西哥裔美国人家庭脂肪肝中的暴露组
- 批准号:
10057266 - 财政年份:2018
- 资助金额:
$ 60.95万 - 项目类别:
Analysis Core Rio Grande Valley AD-RCMAR
里奥格兰德河谷分析核心 AD-RCMAR
- 批准号:
10241359 - 财政年份:2018
- 资助金额:
$ 60.95万 - 项目类别:
Identification of the Exposome in Fatty Liver Disease in Mexican American Families Using Genetic Correction
使用基因校正鉴定墨西哥裔美国人家庭脂肪肝中的暴露组
- 批准号:
10307087 - 财政年份:2018
- 资助金额:
$ 60.95万 - 项目类别:
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