Project 002 - VIDI
项目 002 - VIDI
基本信息
- 批准号:10602744
- 负责人:
- 金额:$ 67.56万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-04-01 至 2027-03-31
- 项目状态:未结题
- 来源:
- 关键词:AntigensArchitectureAreaAutopsyBindingBiological AssayBloodCCR6 geneCD4 Positive T LymphocytesCellsCessation of lifeChromatinClonal ExpansionData AnalysesData SetDetectionEffector CellEnvironmentEnvironmental Risk FactorEpigenetic ProcessFamilyFire - disastersGenesGenetic TranscriptionGenomeGiftsGoalsHIVHIV InfectionsHomeHuman bodyImageImaging technologyImmuneImmunologyInflammationIntegration Host FactorsInterruptionIntrinsic factorInvestigationKnowledgeLymphoid TissueMapsMicroscopyMucous MembraneNatural Killer CellsPenetrationPersonsPharmaceutical PreparationsPharmacologyPhasePhenotypePlasmaPopulation DynamicsPopulation ProcessPredispositionProcessProvirus IntegrationProvirusesResearch Project GrantsResource AllocationRunningSamplingScienceShockSiteSourceSpecimenSurfaceTechniquesTechnologyTissuesViralViral PhysiologyViremiaVirusadaptive learningantiretroviral therapybrain tractcohortcomorbidityend of lifehigh dimensionalityimprovedin vivoinflammatory milieuinnovationinsightinterestpharmacologicprogrammed cell death protein 1programsreproductive tractsingle cell technologysocial stigmasuccesstherapeutic targetviral rebound
项目摘要
PROJECT 2. Viral Immunology, Drugs, and Imaging (VIDI) Research Project - ABSTRACT
Despite the success of antiretroviral therapy (ART) improving the lives of persons with HIV (PWH), curing HIV
would be important to reduce stigma and long-term co-morbidities associated with HIV infection that occur even
during ART. Developing a successful cure will need to better identify the viral and host factors that govern HIV
dynamics in its HIV Obligate MicroEnvironment (HOME) to identify reservoir vulnerabilities that can be targeted.
The Viral Immunology, Drugs, and Imaging (VIDI) Research Project (RP) will focus on immune, pharmacological,
host epigenetic cellular environments, and tissue architecture that govern the continuum of HIV reservoir
dynamics. This characterization by the VIDI RP alone will add considerable new knowledge to the field. In the
HOME program, these assay results will be integrated with viral features of HIV reservoir dynamics characterized
by VENI RP, and all datasets will be further integrated and analyzed by VICI RP.
For experimental planning, the HIV reservoir dynamic continuum is simplified as the following reservoir states:
· Leaves HOME when HIV (re)activates from tissues during antiretroviral therapy (ART) (i.e., like packing its
bag and getting ready to leave) and causes rebound viremia during ART interruption.
· Comes HOME when HIV (re)populates tissues during viremia off ART and through the spread of clonally
expanded HIV-infected cells while on ART. (Clonal expansion is like adding family to the home.)
· Stays HOME when HIV (silently) persists in blood and tissue reservoirs (on and off ART).
To optimize allocated resources, we developed a two-step Adaptive Learning Approach. During the Mapping
phase, the VIDI RP will examine how cellular and soluble inflammatory milieus and ART levels are associated
with each reservoir state (i.e., leaving, coming, staying). The VICI RP will assist in the integration and analysis
of these data to identify ‘samples-of-interest’ that have pre-defined reservoir states and sufficient cellular
environment for deeper investigation. In the Confirmation phase, the VIDI RP will use single-cell and imaging
technologies to further characterize environmental factors associated with reservoir dynamics at a deeper level.
Importantly, the feasibility of our VIDI RP is greatly enhanced by the knowledge gained from our previous P01
(AI131385) and its Last Gift Cohort, which collects pre- and post- mortem specimens from PWH who did (n=5)
or did not stop ART (n=15) before death. The HOME program will allow the continuation of this cohort while
expanding the science to study HIV dynamics across the human body at the single-genome and single-cell level.
In summary, the overall HOME program will provide a deep delineation of environmental factors governing HIV
reservoir dynamics, which is directly responsive to the Understanding HIV Reservoir Dynamics RFA AI-21-013.
This new knowledge will inform HIV cure strategies aiming at reversing latency (“Shock and Kill”) or at silencing
permanently deep reservoirs (“Block and Lock”) and provide new insights in ways to reduce local HIV-associated
tissue damage, which has been implicated in inflammation-related illnesses.
项目2。病毒免疫学,药物和成像(VIDI)研究项目-摘要
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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Sara Gianella Weibel其他文献
Sara Gianella Weibel的其他文献
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{{ truncateString('Sara Gianella Weibel', 18)}}的其他基金
Sex-differences in HIV persistence and Immune Dynamics during Reproductive Aging
生殖衰老过程中艾滋病毒持久性和免疫动态的性别差异
- 批准号:
10838316 - 财政年份:2023
- 资助金额:
$ 67.56万 - 项目类别:
Impact of Reproductive Aging On HIV Persistence and Inflammation
生殖衰老对艾滋病毒持续性和炎症的影响
- 批准号:
10433074 - 财政年份:2021
- 资助金额:
$ 67.56万 - 项目类别:
Mechanisms of CMV Replication on HIV Persistence
CMV 复制对 HIV 持续存在的机制
- 批准号:
10012877 - 财政年份:2020
- 资助金额:
$ 67.56万 - 项目类别:
The HIV-associated Opioid Micro-Environment (HOME) Project
HIV 相关阿片类药物微环境 (HOME) 项目
- 批准号:
10056153 - 财政年份:2020
- 资助金额:
$ 67.56万 - 项目类别:
Mechanisms of CMV Replication on HIV Persistence
CMV 复制对 HIV 持续存在的机制
- 批准号:
10241944 - 财政年份:2020
- 资助金额:
$ 67.56万 - 项目类别:
Mechanisms of CMV Replication on HIV Persistence
CMV 复制对 HIV 持续存在的机制
- 批准号:
10448351 - 财政年份:2020
- 资助金额:
$ 67.56万 - 项目类别:
Effect of Declining Sex Hormones on HIV persistence in HIV Infected Women on ART
性激素下降对接受 ART 的 HIV 感染妇女中 HIV 持续存在的影响
- 批准号:
9568360 - 财政年份:2017
- 资助金额:
$ 67.56万 - 项目类别:
Effect of Declining Sex Hormones on HIV persistence in HIV Infected Women on ART
性激素下降对接受 ART 的 HIV 感染妇女中 HIV 持续存在的影响
- 批准号:
9482258 - 财政年份:2017
- 资助金额:
$ 67.56万 - 项目类别:
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