Discovery of Yellow Fever Virus-Specific Epitopes for Development of an Accurate Serodiagnostic Assay
Discovery of Yellow Fever Virus-Specific Epitopes for Development of an Accurate Serodiagnostic Assay
批准号:
9467246
负责人:
DAVID CAMERINI
金额:
$29.96万
依托单位国家:
美国
项目类别:
财政年份:
2018
资助国家:
美国
项目状态:
已结题
起止时间:
2018-01-16 至 2019-12-31
关键词:
AedesAlgorithmsAlphavirusAntibodiesAntigensArbovirusesBiological AssayBrazilBurkholderia pseudomalleiChikungunya virusClinicalColombiaCross ReactionsCulicidaeDengue InfectionDengue VirusDetectionDevelopmentDiagnosticDiagnostic testsDiseaseDisease OutbreaksEpidemicEpitopesFlavivirusFutureGenomeGeographic stateGoalsHawaiiIndividualInfectionMelioidosisMethodsMexicoPathogenicityPatientsPatternPhaseProtein FragmentProtein MicrochipsProteinsProteomeProteomicsPublic HealthPuerto RicoRecording of previous eventsSalivaSamplingSerumSouth AfricaSouth AmericaSpecificityTechnologyTestingUniversitiesValidationViral ProteinsVirusWashingtonWest Nile viral infectionWest Nile virusYellow FeverYellow Fever Virus InfectionYellow fever virusZika Viruscross reactivityinnovationmortalitynovelnovel strategiespoint of careresponsesample collectionspecific biomarkerstool
中文摘要
发现黄热病病毒特异性抗原表位,开发一种准确的
英文摘要
Discovery of Yellow Fever Virus-Specific Epitopes for Development of an Accurate
Serodiagnostic Assay
Abstract
Antibodies to many pathogenic viruses can be detected in blood, serum and/or saliva. Among these
are many arboviruses, that share endemic regions in the western hemisphere and in other parts of the
world. These include the related flaviviruses yellow fever virus (YFV), dengue virus (DENV), Zika virus
(ZIKV) and West Nile virus (WNV) as well as the alphavirus chikungunya virus (CHIKV). Antibodies to
these viruses are often cross-reactive, making diagnostics for a particular virus challenging. The current
outbreak of yellow fever in Brazil and the high mortality associated with this disease as well as the
recent history of outbreaks in South America and Africa create an urgent need for YFV-specific
serodiagnostics, to aid control of the spread of yellow fever. Moreover, such diagnostics would facilitate
clinical and public health efforts against these and other, related arboviruses. We propose a novel
strategy to develop methods for specific and sensitive detection of antibodies against YFV that do not
cross react with other arboviruses. We will employ an innovative, comprehensive proteomic approach
with a unique serum sample collection that will allow discovery and validation of specific biomarkers
capable of distinguishing YFV from other arboviruses. This will allow us to develop a specific and
sensitive test for YFV infection in Phase II of this project. A practical, sensitive and specific test for YFV
infection is a high priority goal due to the recent outbreak of yellow fever in Brazil, possible future
outbreaks and the likely spread of yellow fever to southern US states bordering the Gulf of Mexico and
Puerto Rico where Aedes spp. mosquitos might rapidly spread the infection.
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