Rapid Low-Cost Paper-based Biodosimetry that reveals individual organ injuries
快速低成本纸基生物剂量测定可揭示个体器官损伤
基本信息
- 批准号:10571697
- 负责人:
- 金额:$ 60.52万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-02-01 至 2025-01-31
- 项目状态:未结题
- 来源:
- 关键词:AccidentsAcuteAddressAffectAnimalsArizonaBiologicalBiological MarkersBiological ModelsBloodBone MarrowCategoriesCellsClassificationCollaborationsCollectionCoupledData AnalysesData SetDevelopmentDevicesDiagnostic testsDoseDropsEnsureExposure toFutureGene ChipsGene ExpressionGene Expression ProfilingGenesGenetic TranscriptionGenomic approachHealth PersonnelHourHumanIndividualInjuryIonizing radiationLaboratoriesLiteratureLymphocyteLymphocyte CountLymphocyte DepletionMeasuresMedicalMethodsModelingMusNormal RangeNuclear AccidentsNucleic Acid Amplification TestsOrganPaperPatientsPopulationProbabilityRNARadiationRadiation AccidentsRadiation Dose UnitRadiation InjuriesRadiation ToleranceRadiation exposureRadiation-Induced Gene ExpressionRecommendationResource-limited settingResourcesRiskSamplingSpecificityTechniquesTechnologyTerrorismTestingTherapeutic InterventionTimeTissuesTriageUniversitiesWorkZika Virusabsorptionbiodosimetrybiomarker panelbiomarker selectionclassification algorithmcohortcostdata curationdesignexperiencehuman modelimprovedin vivoin vivo Modelnext generation sequencingnovel strategiesorgan injuryperipheral bloodpersonalized diagnosticspoint of carepoint of care testingpopulation basedpredictive markerradiation absorbed doseresponserisk predictionscreeningspecific biomarkerstool
项目摘要
Abstract:
Increasing threats of nuclear accidents and/or terrorism have triggered an urgent need for the
ability to confirm and quantify absorbed radiation doses in a large population exposed to an
unknown amount of unintended radiation. An effective triage method has the potential to save
thousands of lives. To best utilize the available resources, stepwise triage recommends first
using a point-of-care (POC) test that distinguishes between the non-exposed and the exposed
population, followed by an assessment of those exposed using high throughput quantitative
analysis methods to estimate their absorbed doses of radiation. The ideal POC test will predict
acute and delayed radiation injuries to major organs, like bone marrow. To estimate the
absorbed dose, biodosimetry measures host biological responses to ionizing radiation. The
expression of specific genes alters based on the dose of radiation. Here we use the expression
levels of these radiation-responsive genes as biomarkers of exposure to radiation. Previously,
we used genomic approaches coupled with an in vivo NHP model to identify many radiation
responsive genes and develop a high throughput laboratory test to detect and quantify absorbed
dose of radiation within 7 days of post exposure. A new analysis of these data reveals a subset
of biomarkers that distinguish exposed from non-exposed individuals. Moreover, one of the
hallmarks of radiation exposure is a rapid decay in the total number of lymphocytes. This new
panel of biomarkers can quantitatively predict a significant drop in the lymphocyte count at 7
days post exposure, only 24 hours post exposure. We also have technology for converting our
gene expression assays into a low-cost paper-based POC test, compatible with screening a
large population. By combining our capabilities and currently available biomarkers, we intend to
develop a low-cost POC test that; 1) identifies individuals exposed to unintended radiation; 2)
qualitatively classifies individuals based on their absorbed dose of radiation; 3) predicts the risk
of serious bone marrow injury by calculating their future day 7 lymphocyte counts on day 1. We
will execute our project study plan in three steps. First, we will select the best subset of
biomarkers by analyzing gene expression data sets and curating literature. Second, we will
adapt our paper-based, low-cost, POC test to the critical expression levels of these markers.
Finally, we will validate our test and biomarkers using independent unknown samples.
文摘:
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
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JOSHUA LABAER其他文献
JOSHUA LABAER的其他文献
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{{ truncateString('JOSHUA LABAER', 18)}}的其他基金
Multiplex In-Solution Protein Array (MISPA) for high throughput, quantitative, early profiling of pathogen-induced head and neck
多重溶液内蛋白质芯片 (MISPA) 用于对病原体引起的头颈部进行高通量、定量、早期分析
- 批准号:
10713928 - 财政年份:2023
- 资助金额:
$ 60.52万 - 项目类别:
High-throughput immunoproteomics for cancer biomarker discovery
用于癌症生物标志物发现的高通量免疫蛋白质组学
- 批准号:
10688269 - 财政年份:2022
- 资助金额:
$ 60.52万 - 项目类别:
High-throughput immunoproteomics for cancer biomarker discovery
用于癌症生物标志物发现的高通量免疫蛋白质组学
- 批准号:
10487345 - 财政年份:2022
- 资助金额:
$ 60.52万 - 项目类别:
NIGMS National and Regional Resources - DNASU
NIGMS 国家和地区资源 - DNASU
- 批准号:
10238934 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
Rapid Low-Cost Paper-based Biodosimetry that reveals individual organ injuries
快速低成本纸基生物剂量测定可揭示个体器官损伤
- 批准号:
10349434 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
NIGMS National and Regional Resources - DNASU
NIGMS 国家和地区资源 - DNASU
- 批准号:
10400460 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
NIGMS National and Regional Resources - DNASU
NIGMS 国家和地区资源 - DNASU
- 批准号:
10025623 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
NIGMS National and Regional Resources - DNASU
NIGMS 国家和地区资源 - DNASU
- 批准号:
10454321 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
Rapid Low-Cost Paper-based Biodosimetry that reveals individual organ injuries
快速低成本纸基生物剂量测定可揭示个体器官损伤
- 批准号:
10092103 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
NIGMS National and Regional Resources - DNASU
NIGMS 国家和地区资源 - DNASU
- 批准号:
10797096 - 财政年份:2020
- 资助金额:
$ 60.52万 - 项目类别:
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