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
黄热病病毒特异性表位的发现为中国的发展提供了准确的证据。
血清诊断试剂盒检测:
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摘要:
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许多致病病毒的抗体在血液、血清和/或唾液中都检测不到。
有许多虫媒病毒,它们分享西半球西部流行的地区和世界其他地区的病毒。
全球。这些病毒包括与之相关的黄病毒、黄热病病毒(YFV)、登革热病毒(DENV)和寨卡病毒。
西尼罗河病毒(ZIKV)和西尼罗河病毒(WNV)以及甲型病毒基孔肯雅病毒(CHIKV)。
这些病毒通常具有交叉反应性,这使得对一种特殊病毒的诊断具有挑战性。
巴西东部爆发了黄热病,并创造了与这种疾病相关的最高死亡率以及更高的死亡率。
最近在南美洲和非洲爆发的猪流感疫情将为特定于YFV的疫情创造一个紧迫的需求。
血清诊断有助于帮助控制黄热病的传播速度。此外,这样的诊断方法将有助于预防和控制黄热病。
临床和公共卫生领域的努力旨在对抗这些病毒和其他与虫媒病毒相关的病毒。我们将提出一种全新的解决方案。
战略是进一步开发针对YFV病毒的特异性抗体和敏感抗体的检测方法,而这些方法是我们不能做到的。
交叉病毒与其他虫媒病毒发生反应。我们将继续采用一种全新的、全面的蛋白质组学方法。
随着中国独一无二的血清样本收集系统的建立,它将允许对特定的生物标记物进行发现和验证。
有能力将YFV病毒与其他虫媒病毒区分开来。这一技术将使我们能够更好地开发一种特定的病毒和病毒。
本项目二期工程对YFV病毒感染的敏感检测标准是实用的、不敏感的和具体的检测方法。
由于巴西北部最近爆发的黄热病疫情,以及未来可能出现的疫情,感染问题仍是一项高度优先的目标。
黄热病的爆发和传播可能会蔓延到美国南部与墨西哥湾沿岸地区接壤的几个州。
波多黎各是伊蚊繁殖的地方,蚊子可能会在那里迅速传播。
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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