Life span, fat storage and insulin-like signaling
寿命、脂肪储存和胰岛素样信号传导
基本信息
- 批准号:6903328
- 负责人:
- 金额:$ 32.4万
- 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:2005-05-01 至 2010-04-30
- 项目状态:已结题
- 来源:
- 关键词:Caenorhabditis elegansJUN kinaseacetylcholinebiological signal transductiondiabetes mellitus geneticsdisease /disorder onsetdopaminegamma aminobutyrategene mutationgenetic regulationglutamatesimmunoprecipitationinsulin receptorinsulin sensitivity /resistancelipid metabolismlongevitymicroarray technologymolecular pathologyneurotransmitter transportnoninsulin dependent diabetes mellitusobesityoctopamineserotonin
项目摘要
DESCRIPTION (provided by applicant): The prevalence of Type II diabetes is rapidly increasing in the US. This is in part due to the huge increase in the number of obese people. A second factor that predisposes individuals to Type II diabetes is age. As individuals age, they become more likely to develop Type II diabetes. Although the connection between obesity, aging, and the onset of Type II diabetes is clear, the molecular details remain to be determined. The long-term goal of this project is to uncover the molecular mechanism that explains the connection between insulin-like signaling, aging and fat storage, so that Type II diabetes and can be better controlled in humans. Here, we use the nematode, C. elegans, as our model system since the insulin signaling pathway is highly conserved between humans and C. elegans, and nematodes have emerged as an excellent system to study insulin signaling. In this proposal, we seek to identify new genes and new pathways coupled to the C. elegans insulin-like signaling pathway to determine how this signaling network controls both life span and fat storage. The proposed studies will test our hypothesis that mutations in the insulin-like signaling pathway lead to changes in life span and fat storage because these processes have an underlying molecular connection. Our specific aims are to: (1) Identify the role of neurotransmitter signaling upstream of daf-2; (2) Define the role of the tub-1 gene in regulation of life span and fat storage; and
(3) Determine the mechanism for JNK control of life span and fat storage. Although each aim is
independent, investigating a different part of the insulin-like signaling pathway, at each step we will be analyzing the effects of mutations on life span and fat storage. We are confident that understanding the molecular connection between life span, fat storage, and insulin-like signaling will have relevance to mammalian systems because all of the genes and pathways appear conserved.
描述(由申请人提供):II型糖尿病在美国的患病率正在迅速上升。这在一定程度上是由于肥胖人数的大幅增加。第二个易患II型糖尿病的因素是年龄。随着年龄的增长,他们更有可能患上II型糖尿病。虽然肥胖、衰老和II型糖尿病的发病之间的联系是明确的,但分子细节仍有待确定。该项目的长期目标是揭示解释胰岛素样信号、衰老和脂肪储存之间联系的分子机制,以便更好地在人类体内控制II型糖尿病和糖尿病。在这里,我们使用线虫,线虫,作为我们的模型系统,因为胰岛素信号通路在人和线虫之间高度保守,线虫已经成为研究胰岛素信号的一个很好的系统。在这项提议中,我们试图识别与线虫胰岛素样信号通路相连的新基因和新途径,以确定该信号网络如何控制寿命和脂肪储存。拟议中的研究将检验我们的假设,即胰岛素样信号通路的突变会导致寿命和脂肪储存的变化,因为这些过程有潜在的分子联系。我们的具体目标是:(1)确定daf-2上游的神经递质信号的作用;(2)确定tub-1基因在调节寿命和脂肪储存中的作用;以及
(3)确定JNK对小鼠寿命和脂肪储存的调控机制。尽管每个目标都是
独立研究胰岛素样信号通路的不同部分,在每一步,我们将分析突变对寿命和脂肪储存的影响。我们相信,了解寿命、脂肪储存和胰岛素样信号之间的分子联系将与哺乳动物系统相关,因为所有的基因和途径似乎都是保守的。
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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HEIDI A TISSENBAUM其他文献
HEIDI A TISSENBAUM的其他文献
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- 批准号:
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Dissecting connections between age, health and Alzheimer's disease
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Dissecting connections between age, health and Alzheimer's disease
剖析年龄、健康与阿尔茨海默病之间的联系
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Dissecting connections between age, health and Alzheimer's disease
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10359290 - 财政年份:2020
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$ 32.4万 - 项目类别:
Dissecting complex regulation by C. elegans DAF-16
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- 批准号:
7896672 - 财政年份:2009
- 资助金额:
$ 32.4万 - 项目类别:
Dissecting complex regulation by C. elegans DAF-16
解析秀丽隐杆线虫 DAF-16 的复杂调控
- 批准号:
7655731 - 财政年份:2009
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Life span, Fat Storage and Insulin-like Signaling
寿命、脂肪储存和类胰岛素信号传导
- 批准号:
8729556 - 财政年份:2005
- 资助金额:
$ 32.4万 - 项目类别:
Life span, fat storage and insulin-like signaling
寿命、脂肪储存和胰岛素样信号传导
- 批准号:
7227419 - 财政年份:2005
- 资助金额:
$ 32.4万 - 项目类别:
Life span, Fat Storage and Insulin-like Signaling
寿命、脂肪储存和类胰岛素信号传导
- 批准号:
8284360 - 财政年份:2005
- 资助金额:
$ 32.4万 - 项目类别:
Life span, Fat Storage and Insulin-like Signaling
寿命、脂肪储存和类胰岛素信号传导
- 批准号:
8101948 - 财政年份:2005
- 资助金额:
$ 32.4万 - 项目类别:
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