Central Renin-Angiotensin System: Metabolism, Fluid Balance, and Hypertension
中央肾素-血管紧张素系统:代谢、体液平衡和高血压
基本信息
- 批准号:7770209
- 负责人:
- 金额:$ 10.56万
- 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:2010-06-01 至 2012-05-31
- 项目状态:已结题
- 来源:
- 关键词:AdultAreaBasal metabolic rateBlood PressureBlood VesselsBrainCardiacCardiovascular DiseasesCardiovascular PhysiologyConsummatory BehaviorDevelopmentDiseaseEconomicsEquilibriumFluid BalanceGenesGenetic RecombinationHealthHormonesHypertensionInstitutionJournalsKidneyLaboratoriesLaboratory ResearchLearningLiquid substanceMediatingMental DepressionMentorsMetabolicMetabolismMicroinjectionsModelingMusNeuraxisObesityPeripheralPhasePhenotypePopulationPreparationPrincipal InvestigatorProductivityRNARegulationRenin-Angiotensin SystemResearchResourcesSamplingSignal PathwaySodiumStructureSystemTechniquesTissuesTrainingTransgenic MiceUnited StatesViralViruseditorialhypertensive heart diseasemouse modelprogramspsychologicpublic health relevancesocial
项目摘要
DESCRIPTION (provided by applicant):
Program Director/Principal Investigator (Last, First, Middle): GROBE, JUSTIN L. Project Summary Metabolic and cardiovascular disorders both pose significant threats to the health of the adult population of the United States and world-wide. Both types of disorders are present in at least 33% of the population, and the economic, social, psychological, and productivity burdens which result from these disorders are estimated to be in excess of $530 billion. One hormone system involved in the regulation of both metabolism and cardiovascular function is the Renin- Angiotensin System (RAS). While the RAS is found in many tissues throughout the body, the Sigmund laboratory has previously developed a transgenic mouse model (the sRA model) in which overactivity of the RAS is limited to the central nervous system. Brain-specific overactivity of the RAS in these mice results in moderate hypertension and cardiac remodeling, a large increase in basal metabolic rate, sustained depression of body mass, and decreased adiposity. The current proposal will evaluate the angiotensinergic signaling pathways within the brain which induce these phenotypes (during the mentored phase), and then examine the efferent, peripheral mechanisms which mediate these phenotypes (upon the establishment of an independent research laboratory). Specifically, during the mentored phase, the candidate will learn techniques related to the microinjection delivery of viruses which induce gene recombination within select brain structures (viral preparation/use, electrophoretic microinjection, immunohistology, small-sample RNA preparation, quantitative PCR). Additionally, during the mentored phase, the candidate will continue his professional development (mentoring of junior colleagues, further expansion of intellectual and collaborative resources, and the unique proximity to the editorial office of a major area-specific scientific journal). Collectively, this project will facilitate continued technical, intellectual, and professional training for the candidate, and assist in the establishment of an independent research laboratory at an academic research institution. PHS 398/2590 (Rev. 11/07) Continuation Format Page
PUBLIC HEALTH RELEVANCE:
Program Director/Principal Investigator (Last, First, Middle): GROBE, JUSTIN L. Relevance The Renin-Angiotensin System (RAS) is a hormone system involved in the regulation of renal, cardiac, and vascular structure and function, fluid and sodium consummatory behavior, blood pressure, and metabolic rate. In the current proposal, transgenic mice with brain-specific overactivity of the RAS are utilized to evaluate the mechanisms by which the brain's RAS regulates metabolism and hydromineral balance. PHS 398/2590 (Rev. 11/07) Continuation Format Page
描述(由申请人提供):
项目负责人/主要研究者(最后,第一,中间):格罗贝,JUSTIN L。代谢和心血管疾病都对美国和世界范围内的成年人口的健康构成重大威胁。这两种类型的疾病存在于至少33%的人口中,并且由这些疾病导致的经济、社会、心理和生产力负担估计超过5300亿美元。 参与调节代谢和心血管功能的一种激素系统是肾素-血管紧张素系统(RAS)。虽然RAS存在于全身的许多组织中,但Sigmund实验室先前已经开发了一种转基因小鼠模型(sRA模型),其中RAS的过度活性仅限于中枢神经系统。这些小鼠中RAS的脑特异性过度活动导致中度高血压和心脏重塑、基础代谢率大幅增加、体重持续下降和肥胖减少。 目前的建议将评估脑内诱导这些表型的血管紧张素能信号通路(在指导阶段),然后检查介导这些表型的传出外周机制(建立独立的研究实验室)。具体而言,在指导阶段,候选人将学习与微注射递送病毒相关的技术,这些病毒在选定的大脑结构中诱导基因重组(病毒制备/使用,电泳显微注射,免疫组织学,小样本RNA制备,定量PCR)。此外,在指导阶段,候选人将继续他的专业发展(指导初级同事,进一步扩大智力和协作资源,以及独特的接近一个主要领域的特定科学期刊的编辑部)。总的来说,该项目将促进对候选人的持续技术,智力和专业培训,并协助在学术研究机构建立独立的研究实验室。PHS 398/2590(Rev.11/07)
公共卫生相关性:
项目负责人/主要研究者(最后,第一,中间):格罗贝,JUSTIN L。相关性肾素-血管紧张素系统(RAS)是一种激素系统,参与肾脏、心脏和血管结构和功能、液体和钠消耗行为、血压和代谢率的调节。在目前的提议中,利用具有脑特异性RAS过度活性的转基因小鼠来评估脑RAS调节代谢和水矿物质平衡的机制。PHS 398/2590(Rev.11/07)
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(1)
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Justin L Grobe其他文献
Justin L Grobe的其他文献
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{{ truncateString('Justin L Grobe', 18)}}的其他基金
Impact of Early Life Sodium Intake on Growth and Metabolism – Role of Hypothalamic Mechanisms
生命早期钠摄入量对生长和代谢的影响 — 下丘脑机制的作用
- 批准号:
10682499 - 财政年份:2022
- 资助金额:
$ 10.56万 - 项目类别:
Impact of Early Life Sodium Intake on Growth and Metabolism – Role of Hypothalamic Mechanisms
生命早期钠摄入量对生长和代谢的影响 — 下丘脑机制的作用
- 批准号:
10493724 - 财政年份:2022
- 资助金额:
$ 10.56万 - 项目类别:
Interaction between leptin and angiotensin in the pathogenesis of obesity-hypertension
瘦素和血管紧张素在肥胖-高血压发病机制中的相互作用
- 批准号:
10077574 - 财政年份:2017
- 资助金额:
$ 10.56万 - 项目类别:
Angiotensin receptor G protein signal switching in AgRP neurons in cardiometabolic control
AgRP 神经元中血管紧张素受体 G 蛋白信号转换在心脏代谢控制中的作用
- 批准号:
10658260 - 财政年份:2017
- 资助金额:
$ 10.56万 - 项目类别:
Interaction between leptin and angiotensin in the pathogenesis of obesity-hypertension
瘦素和血管紧张素在肥胖-高血压发病机制中的相互作用
- 批准号:
9215364 - 财政年份:2017
- 资助金额:
$ 10.56万 - 项目类别:
Central Renin-Angiotensin System: Metabolism, Fluid Balance, and Hypertension
中央肾素-血管紧张素系统:代谢、体液平衡和高血压
- 批准号:
8532958 - 财政年份:2010
- 资助金额:
$ 10.56万 - 项目类别:
Central Renin-Angiotensin System: Metabolism, Fluid Balance, and Hypertension
中央肾素-血管紧张素系统:代谢、体液平衡和高血压
- 批准号:
8669048 - 财政年份:2010
- 资助金额:
$ 10.56万 - 项目类别:
Central Renin-Angiotensin System: Metabolism, Fluid Balance, and Hypertension
中央肾素-血管紧张素系统:代谢、体液平衡和高血压
- 批准号:
8458298 - 财政年份:2010
- 资助金额:
$ 10.56万 - 项目类别:
Central Renin-Angiotensin System: Metabolism, Fluid Balance, and Hypertension
中央肾素-血管紧张素系统:代谢、体液平衡和高血压
- 批准号:
8075562 - 财政年份:2010
- 资助金额:
$ 10.56万 - 项目类别:
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