ERIN CRC: Molecular Basis of Nontyphoidal Salmonella Emergence
ERIN CRC:非伤寒沙门氏菌出现的分子基础
基本信息
- 批准号:8707321
- 负责人:
- 金额:$ 114.24万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-08-10 至 2016-07-31
- 项目状态:已结题
- 来源:
- 关键词:AffectAfricaAfrica South of the SaharaAntibioticsBacteremiaBiologyClinicalDeveloped CountriesDevelopmentDiseaseDisease OutbreaksEnteralEpidemiologyFoodGastroenteritisGeographic LocationsGoalsHIVHumanImmuneInfectionInterventionKenyaKnowledgeLinkMalariaMolecularNutritional statusPathogenesisPathogenicityPilot ProjectsPopulationPrevalencePreventionPublic HealthResearchResourcesSalmonellaSalmonella infectionsSourceUnited StatesUniversitiesWashingtonbaseburden of illnesshuman diseasemicrobial hostpathogenprogramstherapeutic vaccine
项目摘要
DESCRIPTION (provided by applicant): Salmonella spp. cause a variety of human diseases, including nontyphoidal salmonellosis or NTS. NTS can present as a gastroenteritis, bacteremia, or a carriage state. Most NTS in the United States and developed nations occurs as a self-limited gastroenteritis, typically from contaminated food during specific outbreaks. In contrast, NTS in Africa is increasingly manifesting as a bacteremia without gastroenteritis, and shows human-to-human spread. Evidence suggests that this may be due in part to the immune status of the host populations, including comorbid infections such as HIV and malaria, and/or nutritional status. The goals of the ERIN CRC at the University of Washington will be to understand this difference in epidemiology by elucidating the contribution of microbial, host, and population factors in disease and carriage states. Three projects will be established to 1) examine host/pathogen diversity in clinical cases of NTS in Kenya (Judd Walson, Pl), 2) elucidate the genotypic and phenotypic correlates of pathogenicity in Salmonella strains from Africa and the United States (Sam Miller, PI) and 3) determine the immune correlates and mechanisms of limiting NTS bacteremia in the human host (Brad Cookson, PI). The projects will be coordinated through the efforts of an Administrative Core, which will also establish and manage a Pilot Project program.
性状(由申请方提供):沙门氏菌属引起多种人类疾病,包括非伤寒沙门氏菌病或NTS。NTS可表现为胃肠炎、菌血症或携带状态。美国和发达国家的大多数NT都是一种自限性胃肠炎,通常来自特定疫情期间受污染的食物。相比之下,非洲的NTS越来越多地表现为没有胃肠炎的菌血症,并显示出人际传播。有证据表明,这可能部分是由于宿主人口的免疫状况,包括艾滋病毒和疟疾等共病感染和/或营养状况。华盛顿大学的ERIN CRC的目标是通过阐明微生物、宿主和人口因素在疾病和携带状态中的作用来理解流行病学中的这种差异。将建立三个项目,以1)检查肯尼亚NTS临床病例中的宿主/病原体多样性(Judd Walson,PI),2)阐明非洲和美国沙门氏菌菌株致病性的基因型和表型相关性(Sam米勒,PI)和3)确定限制人类宿主中NTS菌血症的免疫相关性和机制(布拉德Cookson,PI)。这些项目将通过一个行政核心的努力进行协调,该核心还将建立和管理一个试点项目方案。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Failure of CD4 T Cell-Deficient Hosts To Control Chronic Nontyphoidal Salmonella Infection Leads to Exacerbated Inflammation, Chronic Anemia, and Altered Myelopoiesis.
CD4 T 细胞缺陷宿主无法控制慢性非伤寒沙门氏菌感染,导致炎症加剧、慢性贫血和骨髓细胞生成改变。
- DOI:10.1128/iai.00417-20
- 发表时间:2020
- 期刊:
- 影响因子:3.1
- 作者:Loomis,WendyP;Delaney,MarthaA;Johnson,MatthewL;Cookson,BradT
- 通讯作者:Cookson,BradT
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Samuel I Miller其他文献
Samuel I Miller的其他文献
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{{ truncateString('Samuel I Miller', 18)}}的其他基金
Salmonella pathogenicity island 2 effector proteins
沙门氏菌致病岛2效应蛋白
- 批准号:
9526598 - 财政年份:2017
- 资助金额:
$ 114.24万 - 项目类别:
Funtion of Uncharacterized Genes of Acinetobacter baumanii
鲍曼不动杆菌未表征基因的功能
- 批准号:
8581005 - 财政年份:2013
- 资助金额:
$ 114.24万 - 项目类别:
Funtion of Uncharacterized Genes of Acinetobacter baumanii
鲍曼不动杆菌未表征基因的功能
- 批准号:
9282562 - 财政年份:2013
- 资助金额:
$ 114.24万 - 项目类别:
Funtion of Uncharacterized Genes of Acinetobacter baumanii
鲍曼不动杆菌未表征基因的功能
- 批准号:
8688145 - 财政年份:2013
- 资助金额:
$ 114.24万 - 项目类别:
Funtion of Uncharacterized Genes of Acinetobacter baumanii
鲍曼不动杆菌未表征基因的功能
- 批准号:
8852062 - 财政年份:2013
- 资助金额:
$ 114.24万 - 项目类别:
Assigning function of unknown genes of Acinetobacter baumanii by cell envelope
通过细胞包膜鉴定鲍曼不动杆菌未知基因的功能
- 批准号:
8597718 - 财政年份:2013
- 资助金额:
$ 114.24万 - 项目类别:
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