Neuroendocrine control of spontaneous physical activity
自发体力活动的神经内分泌控制
基本信息
- 批准号:7657436
- 负责人:
- 金额:$ 25.1万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-08-01 至 2010-07-31
- 项目状态:已结题
- 来源:
- 关键词:AcuteAdverse effectsAgonistAmbulatory MonitoringAnimalsBehaviorBody CompositionBody TemperatureBody WeightBody Weight decreasedBody fatBrainCachexiaCaloric RestrictionCalorimetryCause of DeathCellsClassificationComputer softwareControl GroupsDataDeveloped CountriesDietDietary FatsDoseDuodenumEatingElementsEndocrineEnergy IntakeEnergy MetabolismExposure toFastingFatty acid glycerol estersFeeding behaviorsFutureGeneticGoalsHealthHormonalHormonesHourHumanHungerHypothalamic structureIntakeKnockout MiceLaboratoriesLife StyleLiquid substanceMagnetic ResonanceMediatingMessenger RNAModelingMolecularMonitorMusNeuronsNeuropeptidesNeurosecretory SystemsObesityPathway interactionsPeptide Initiation FactorsPeptidesPhenotypePhysical activityPlasmaPrevalencePreventionPrincipal InvestigatorRattusRegulationRelative (related person)RestRodentRodent ModelRoleSeriesSignal PathwaySignal TransductionStomachSystemTestingThermogenesisTransgenic MiceUniversitiesWild Type Mousebaseenergy balancefeedingghrelinghrelin receptorin vivomelanocortin receptormouse modelneuropeptide Y-Y1 receptornovelpreventreceptorresearch studyrespiratorysedentarytool
项目摘要
DESCRIPTION (provided by applicant): Obesity is one of the most urgent health problems, and all strategies for its prevention or treatment have failed. Increased sedentary behavior represents one reason for the increasing prevalence of obesity and its devastating consequences. Low physical activity levels are also a major determinant of body fat gain during overfeeding. We have recently generated preliminary data indicating that within the established regulatory system controlling food intake and body weight, the novel hormone ghrelin, as well at its main mediating target molecule in the brain AGRP, effectively suppress spontaneous physical activity (SPA) in rodent models. The putative regulation of spontaneous physical activity (SPA) by several other players in the same hormonal and neuronal networks, all of which are known to regulate food intake, has not previously been investigated in a systematic manner. We therefore propose to investigate a possible role for endogenous ghrelin and its immediate hypothalamic targets in the regulation of SPA. This series of studies might add a new and important element to the current model of energy balance regulation. Expanding the current model of food intake control to include a detailed characterization of the hormonal mechanisms regulating physical activity will promote our understanding of one of the major factors causing obesity. Equally important will be to develop a novel functional blueprint of a defined interactive network of pathways in the brain, which simultaneously regulates food intake, thermogenesis and SPA. This strategy may help to develop efficacious pharmacological agents to prevent and treat obesity in the future.
肥胖是最紧迫的健康问题之一,所有预防或治疗肥胖的策略都失败了。久坐行为的增加是肥胖症日益流行及其破坏性后果的原因之一。低体力活动水平也是过度喂养期间体脂增加的主要决定因素。我们最近产生的初步数据表明,在已建立的控制食物摄入量和体重的调节系统中,新型激素ghrelin及其在脑AGRP中的主要介导靶分子有效地抑制啮齿动物模型中的自发性身体活动(SPA)。在相同的激素和神经元网络中,其他几个参与者对自发性身体活动(SPA)的假定调节,所有这些都被认为是调节食物摄入的,以前没有被系统地研究过。因此,我们建议调查可能的作用,内源性ghrelin及其直接下丘脑的目标在SPA的调节。这一系列的研究可能会增加一个新的和重要的元素,目前的模式,能量平衡调节。扩大目前的食物摄入控制模型,包括一个详细的表征激素机制调节身体活动将促进我们的理解的主要因素之一,导致肥胖。同样重要的是开发一种新的功能蓝图,在大脑中定义一个相互作用的通路网络,同时调节食物摄入,产热和SPA。这一策略可能有助于开发有效的药物制剂,以预防和治疗肥胖的未来。
项目成果
期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Deficiency of glucose-dependent insulinotropic polypeptide receptor prevents ovariectomy-induced obesity in mice.
葡萄糖依赖性促胰岛素多肽受体的缺乏可预防小鼠卵巢切除引起的肥胖。
- DOI:10.1152/ajpendo.00008.2008
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Isken,Frank;Pfeiffer,AndreasFH;Nogueiras,Rubén;Osterhoff,MartinA;Ristow,Michael;Thorens,Bernard;Tschöp,MatthiasH;Weickert,MartinO
- 通讯作者:Weickert,MartinO
Ghrelin enhances olfactory sensitivity and exploratory sniffing in rodents and humans.
- DOI:10.1523/jneurosci.5680-10.2011
- 发表时间:2011-04-13
- 期刊:
- 影响因子:0
- 作者:Tong J;Mannea E;Aimé P;Pfluger PT;Yi CX;Castaneda TR;Davis HW;Ren X;Pixley S;Benoit S;Julliard K;Woods SC;Horvath TL;Sleeman MM;D'Alessio D;Obici S;Frank R;Tschöp MH
- 通讯作者:Tschöp MH
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MATTHIAS H TSCHOP其他文献
MATTHIAS H TSCHOP的其他文献
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{{ truncateString('MATTHIAS H TSCHOP', 18)}}的其他基金
TSE LabMaster - CaloS-Dri/Fed+AC/Act.XY-Tel, 3x8 Mice
TSE LabMaster - CaloS-Dri/Fed AC/Act.XY-Tel,3x8 小鼠
- 批准号:
7794000 - 财政年份:2010
- 资助金额:
$ 25.1万 - 项目类别:
Neuroendocrine Regulation of Adipocyte Metabolism
脂肪细胞代谢的神经内分泌调节
- 批准号:
7590807 - 财政年份:2009
- 资助金额:
$ 25.1万 - 项目类别:
Neuroendocrine control of spontaneous physical activity
自发体力活动的神经内分泌控制
- 批准号:
6968129 - 财政年份:2005
- 资助金额:
$ 25.1万 - 项目类别:
Neuroendocrine control of spontaneous physical activity
自发体力活动的神经内分泌控制
- 批准号:
7268709 - 财政年份:2005
- 资助金额:
$ 25.1万 - 项目类别:
Neuroendocrine control of spontaneous physical activity
自发体力活动的神经内分泌控制
- 批准号:
7097457 - 财政年份:2005
- 资助金额:
$ 25.1万 - 项目类别:
Neuroendocrine control of spontaneous physical activity
自发体力活动的神经内分泌控制
- 批准号:
7473144 - 财政年份:2005
- 资助金额:
$ 25.1万 - 项目类别:
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