CONNECTIONS OF THE LIMBIC SYSTEM AND HYPOTHALAMUS
边缘系统和下丘脑的连接
基本信息
- 批准号:8171160
- 负责人:
- 金额:$ 1.22万
- 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:2010-08-01 至 2011-07-31
- 项目状态:已结题
- 来源:
- 关键词:Aggressive behaviorAnorexiaAnxietyAppetite RegulationBackBehaviorBlood GlucoseBrainBrain PartBrain StemCardiovascular systemCerebral hemisphereChemistryClinicalComputer Retrieval of Information on Scientific Projects DatabaseDataDiffuseDorsalEmotionsEndocrineFoodFundingGenesGrantHistocytochemistryHungerHypothalamic structureIndividualInstitutionInternetLateralLimbic SystemMeasuresMedialMediatingMenstrual cycleMethodsMoodsNeuraxisNeuronsNeurotransmittersObesityOutputPathologyPathway interactionsPatternPhasePhysiologyPituitary GlandRattusRecording of previous eventsReproductive BehaviorResearchResearch PersonnelResolutionResourcesSex BehaviorSleepSleep Wake CycleSourceSpinal CordStructureSystemThirstUnited States National Institutes of HealthWakefulnessWorkbasecell typedesignfightingneural circuitneuroinformaticsreproductive
项目摘要
This subproject is one of many research subprojects utilizing the
resources provided by a Center grant funded by NIH/NCRR. The subproject and
investigator (PI) may have received primary funding from another NIH source,
and thus could be represented in other CRISP entries. The institution listed is
for the Center, which is not necessarily the institution for the investigator.
The long-term objective of the proposed work is to identify and characterize at high resolution the structure and chemistry of neural circuits in the mammalian brain that underlie the basic drives and emotions keeping individuals alive and assuring survival of the species associated with hunger and thirst, defensive (fight or flight) behavior, reproductive (sexual and parental) behavior, and the sleep/wake cycle. Previous work identified the hypothalamus as a critical node in this circuitry, and characterized in detail axonal input/output relationships of its medial half with the pituitary gland, cerebral hemispheres, and brainstem/spinal cord. The proposed work is designed to complete in a systematic way, and to extend, a similar analysis of the lateral hypothalamus, and is based on the hypothesis that the lateral hypothalamus consists of two fundamentally different components, a dorsal region with widespread, diffuse projections to much of the central nervous system, and a surrounding compartmentalized region divided into some two dozen parts with very specific projection patterns to specific functional systems. The three specific aims are, a) to complete a phase one, regional analysis of the surrounding compartmentalized region; b) to begin a phase two, neuronal cell type analysis, starting with certain lateral hypothalamic regions apparently involved critically in food appetite regulation; and c) to facilitate the entry of neuroanatomical data into neuroinformatics workbenches on the web. The research is based on the combined use in rats of experimental intra-axonal pathway tracing methods, and hybridization histochemistry for the cell type-specific expression of neurotransmitter-related genes. There is a rich clinical and experimental history, dating back over a century, that disturbances of the hypothalamus, and parts of the brain interacting with the hypothalamus, produce depending on localization either obesity or anorexia, profound effects on cardiovascular and endocrine (for example, blood glucose) measures, anxiety and mood, aggressive behavior, sexual behavior and physiology (for example, the menstrual cycle), and disturbances of normal sleep and wakefulness patterns. The proposed research is designed to clarify very poorly understood neural circuits that mediate normal ingestive, defensive, reproductive, and sleep/wake behaviors; understanding their pathology will follow.
这个子项目是许多研究子项目中的一个
由NIH/NCRR资助的中心赠款提供的资源。子项目和
研究者(PI)可能从另一个NIH来源获得了主要资金,
因此可以在其他CRISP条目中表示。所列机构为
研究中心,而研究中心不一定是研究者所在的机构。
拟议工作的长期目标是以高分辨率识别和表征哺乳动物大脑中神经回路的结构和化学,这些神经回路是维持个体生存的基本驱动力和情感的基础,并确保与饥饿和口渴,防御(战斗或逃跑)行为,生殖(性和父母)行为以及睡眠/觉醒周期相关的物种的生存。以前的工作确定了下丘脑作为一个关键节点,在这个电路,其特点是详细的轴突输入/输出的关系,其内侧半脑垂体,大脑半球,脑干/脊髓。拟议的工作旨在以系统的方式完成并扩展对外侧下丘脑的类似分析,并基于以下假设:外侧下丘脑由两个根本不同的组成部分组成,背侧区域具有广泛的,弥漫性的投射到中枢神经系统的大部分,周围的分隔区域被分成大约二十几个部分,具有非常特定的投射模式,以特定的功能系统。这三个具体目标是:a)完成第一阶段,对周围区域进行区域分析; B)开始第二阶段,神经元细胞类型分析,从明显与食物食欲调节密切相关的某些下丘脑外侧区域开始; c)促进神经解剖学数据进入网络上的神经信息学工作台。该研究是基于在大鼠中的实验轴突内通路追踪方法的组合使用,和神经递质相关基因的细胞类型特异性表达的杂交组织化学。有丰富的临床和实验历史,可以追溯到超过一个世纪,即下丘脑和与下丘脑相互作用的大脑部分的紊乱,根据定位产生肥胖或厌食症,对心血管和内分泌产生深远影响(例如血糖)测量、焦虑和情绪、攻击行为、性行为和生理(例如,月经周期),以及正常睡眠和觉醒模式的干扰。这项拟议的研究旨在澄清人们对调节正常摄食、防御、生殖和睡眠/觉醒行为的神经回路知之甚少;随后将了解它们的病理学。
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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LARRY W SWANSON其他文献
LARRY W SWANSON的其他文献
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{{ truncateString('LARRY W SWANSON', 18)}}的其他基金
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
8171051 - 财政年份:2010
- 资助金额:
$ 1.22万 - 项目类别:
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
7955660 - 财政年份:2009
- 资助金额:
$ 1.22万 - 项目类别:
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
7724337 - 财政年份:2008
- 资助金额:
$ 1.22万 - 项目类别:
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
7627694 - 财政年份:2007
- 资助金额:
$ 1.22万 - 项目类别:
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
7369432 - 财政年份:2006
- 资助金额:
$ 1.22万 - 项目类别:
A MATURE BRAIN ARCHITECTURE KNOWLEDGE MANAGEMENT SYSTEM
成熟的大脑架构知识管理系统
- 批准号:
7182846 - 财政年份:2005
- 资助金额:
$ 1.22万 - 项目类别:
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