Axonal Growth Cone Signal Transduction
Axonal Growth Cone Signal Transduction
批准号:
7233136
负责人:
STEPHEN M STRITTMATTER
金额:
$35.85万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-09-17 至 2009-04-30
关键词:
AffinityAutosomal Dominant Partial Epilepsy with Auditory FeaturesAxonBindingBrainCell Differentiation processCell SurvivalCellsClassClinicalComplexConditionCytoplasmic TailDependenceDevelopmentDiseaseEndocytosisEphrinsEpilepsyFundingGenesGrowthGrowth ConesHumanInduced MutationInheritedInterventionIonsKnowledgeLGI1 geneLaboratoriesLeadLearningLigandsLinkMediator of activation proteinMicrotubulesMolecularMonitorMusMutationNatural regenerationNatureNervous System PhysiologyNervous system structureNeuritesNeuropilinsNumbersPTK2 genePathway interactionsPatternPhenotypePhysiologicalPlayProtein Tyrosine KinaseProteinsRanBMP-90RegulationRelative (related person)RoleSemaphorinsSequence HomologySignal TransductionSpecificitySystemTestingTreatment ProtocolsWorkaxon growthaxon guidanceaxon regenerationaxonal guidancebasedevelopmental diseaseexperiencehuman diseasein vivoinsightintersectin 1mutantneogeninnerve stem cellnetrin receptorneurite growthnovelplexinprotein distributionreceptortherapy design
中文摘要
描述(由申请人提供):神经系统功能严重依赖于发育过程中定义的连接模式,由经验改变并在疾病中受到干扰。我们将重点研究轴突生长锥体信号转导的三个具体方面。
英文摘要
DESCRIPTION (provided by applicant): Nervous system function is critically dependent on the pattern of connectivity that is defined during development, modified by experience and perturbed in disease. We will focus on three specific aspects of axon growth cone signal transduction in the proposed studies.
The first aim is to provide a comprehensive understanding of Sema3 signaling. Because of the central role of class 3 Semaphores as growth-cone-collapsing agents and of the unique nature of the Plexin cytoplasmic domain, this work will contribute in a central way to understanding axon guidance. By exploring RGM/Neogenin signaling in the second aim, the basis of action for a recently defined class of axon guidance factor and the signaling specificity of Neogenin versus DCC will be defined. The understanding of basic axon guidance mechanisms derived from Aims 1 and 2 lays the groundwork for ongoing studies of axonal misdirection and failed growth in human disease states. Any attempts at clinical intervention must draw on such a fund of knowledge.
In the third aim, a specific human disease that may be linked to altered axon guidance is considered. Such work may provide an understanding of how genetically determined alterations in axonal connectivity can lead to human disease. While LGI1 mutation in ADPEAF is not a common form of epilepsy, it is likely that parallel pathways are causative in a larger number of sporadic cases of epilepsy. Together these studies will provide novel molecular insights into how nervous system connectivity is assembled or misassembled during development. These findings will have implications for the understanding developmental disorders of the brain arid will aid in the design of therapies based on axonal growth and regeneration
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Administrative Core
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批准号:9921655
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项目类别:
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资助金额:$46.06万
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财政年份:2020
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负责人:STEPHEN M STRITTMATTER
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依托单位:
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批准号:10180852
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项目类别:
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资助金额:$46.06万
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财政年份:2020
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负责人:STEPHEN M STRITTMATTER
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依托单位:
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批准号:10620813
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项目类别:
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资助金额:$46.06万
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财政年份:2020
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负责人:STEPHEN M STRITTMATTER
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依托单位:
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批准号:10431895
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资助金额:$46.06万
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财政年份:2018
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