Comparative Animal Models of Viral Hepatitis
病毒性肝炎的比较动物模型
基本信息
- 批准号:10390452
- 负责人:
- 金额:$ 13.97万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-05-17 至 2024-04-30
- 项目状态:已结题
- 来源:
- 关键词:AcuteAnimal ModelAnimalsAntibodiesAntiviral AgentsBiological ModelsCellsChemistryChronicClinicalComplementConsensusDataDevelopmentDevelopment PlansDiseaseEducational process of instructingEnvironmentEnzymesEquus caballusExposure toFacultyFellowshipFundingGoalsGrantHepatitisHepatitis AHepatitis BHepatitis C virusHepatitis C-Like VirusesHepatitis VirusesHepatocyteHepatologyHigh PrevalenceHistopathologyHorse DiseasesHumanHuman Parvovirus B19Immune responseImmune systemImmunologyIn VitroIndividualInfectionInstitutionInternal MedicineInvestigationJournalsKineticsLiverLiver diseasesMeasuresMedicalMedicineMentorsModelingMolecularMolecular VirologyNamesNucleic AcidsOutcomeParvovirusPathogenesisPathogenicityPathologyPeripheral Blood Mononuclear CellPhasePhenotypePhylogenetic AnalysisProductionQuantitative Reverse Transcriptase PCRResearchResearch PersonnelRoleSatellite VirusesSerologySerumSpecialistStudy modelsSystemTechniquesTestingTissuesTrainingTransfectionTropismUniversitiesViralViral Load resultViral PathogenesisViral hepatitisVirionVirusVirus DiseasesVirus ReplicationWorkbasecareercareer developmentchronic infectionco-infectioncomparativeexperienceexperimental studyhepatic necrosishuman diseasein vivoin vivo Modelinnovationinsightliver injurynovelnovel vaccinesparticlepreventprogramsresponseseroconversionstem cellstherapeutic developmenttissue tropismtooltranscriptome sequencingtransmission processvaccine developmentviral genomicsvirology
项目摘要
PROJECT SUMMARY
The study of animal viruses has been critical for understanding basic disease mechanisms, including
the origin and pathogenesis of related human viruses. In this proposal, two equine hepatitis viruses will be
studied to elucidate mechanisms of viral hepatitis and the role of the immune system in pathology and viral
clearance.
Non-primate hepacivirus (NPHV) is the closest relative of hepatitis C virus, and horses are the primary
host. A number of similarities between NPHV in horses and HCV in humans have been demonstrated,
including liver tropism, the ability to cause persistent infection, delayed onset of immune responses coinciding
with mildly increased liver enzymes, and a relatively large diversity among isolates.
Equine Parvovirus-Hepatitis (EqPV-H) was recently discovered in a horse with serum hepatitis, also
known as Theiler’s disease, and is currently considered the cause of that disease. Preliminary data
demonstrate multiple similarities between EqPV-H in horses and parvovirus B19 in humans, including high
prevalence in clinically healthy individuals, rare but important associations with fulminant hepatitis coincident
with seroconversion, and persistence in the serum and tissues for years.
Specific aims are to develop molecular and cell-based systems to study virus neutralization, entry,
replication, and virion production, with the goals of contributing to measures preventing transmission and
obtaining a deeper understanding of the molecular virology of these new viral hepatitis agents. In parallel, in
vivo infections with NPHV and EqPV-H in horses will be used to elucidate their tropism, course and outcome of
infection, immune responses, and pathology. Together, the findings of these studies have the potential to
transform our understanding of the pathogenic mechanisms of viral hepatitis, to provide a model system for
vaccine and/or therapeutic development, and to revolutionize veterinary medical practices to reduce or
eliminate Theiler’s disease from horses.
The proposed studies utilize the candidate’s unique qualifications as a Large Animal Internal Medicine
specialist situated within a veterinary teaching and research institution. Career development plans will include
mentoring from a team of highly qualified individuals, training in specific techniques of both in vitro and in vivo
virology and immunology, and broader exposure to the fields of virology and immunology through University
classes, seminars and journal clubs. The candidate intends to submit grants for further federal funding,
including an R21 or R03 in the second year and an R01 in the final year, which will serve to achieve
independence. This work will allow the candidate to develop a niche in equine hepatology and viral
pathogenesis that will serve to launch her into an academic faculty career as a veterinary clinician researcher.
项目摘要
对动物病毒的研究一直是理解基本疾病机制的批判性的
相关的人类病毒的起源和发病机理。
研究以阐明病毒肝炎的机制以及免疫系统在病理和病毒中的作用
清除。
非青少年肝病毒(NPHV)是丙型肝炎病毒的最接近的亲戚,马是主要的
已经证明了宿主的NPHV和人类HCV的许多相似之处
包含肝脏的肝脏,引起持续感染的能力,免疫反应的延迟开始
肝酶有轻度增加,分离株之间相对较大的多样性。
最近在患有血清肝炎的马中发现了马细偏病毒 - 肝炎(EQPV-H)
预先数据。
在马匹中的EQPV-H与人类的细小病毒B19(包括高高)之间表明了多个相似之处。
临床健康个体的患病率,与暴发性肝炎的罕见但重要的关联
多年来,血清转化和血清和组织的持久性。
具体目的是开发分子和基于细胞的系统来研究病毒中和,进入,
复制和病毒体的生产,其目标是衡量生产传播和
对缝制病毒肝炎的分子病毒学的深入了解
在马中使用NPHV和EQPV-H的体内感染将用于阐明其对流,过程和结果
感染,免疫反应和病理,研究结果有可能
改变我们对病毒肝炎的致病机制的理解,为
疫苗和/或治疗性开发,并彻底改变兽医医学实践以减少或
从马中消除the病。
支撑研究利用候选人的独特资格作为动物内科医学
专家位于兽医教学和研究机构中。
由高素质个人团队的指导,体外和体内的特定技术培训
病毒学和免疫学,以及更广泛的病毒学和侵犯性领域
课程,研讨会和期刊俱乐部。
在第二年中包括R21或R03和最后一年的R01,这将有助于实现
独立性。
发病机制将使她成为兽医临床研究员的学术式研究。
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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Joy E Tomlinson其他文献
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{{ truncateString('Joy E Tomlinson', 18)}}的其他基金
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