Mapping and controlling gene expression in inhibitory interneurons mammals
哺乳动物抑制性中间神经元基因表达的绘制和控制
基本信息
- 批准号:9504033
- 负责人:
- 金额:$ 115.92万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-01 至 2019-07-31
- 项目状态:已结题
- 来源:
- 关键词:AdenineAnimal ModelAnxietyAutistic DisorderBrainCallithrixCellsChimeric ProteinsDNADataData SetDefectDevelopmentDiseaseEnhancersEpigenetic ProcessEpilepsyEtiologyFunctional disorderGene ExpressionGenesGeneticGenetic Enhancer ElementGenomic DNAGoalsHumanInterneuronsInvestigationKnowledgeLabelLearningLinkMacacaMammalsMediatingMethodologyMethodsMethyltransferaseModificationMorphologyMusNeuronsPhylogenetic AnalysisPhysiologicalPlayPopulationProsencephalonRattusRecombinant adeno-associated virus (rAAV)Regulatory ElementRoleSchizophreniaSeriesSpecificitySubgroupTarget PopulationsTechniquesTechnologyTestingTherapeuticTimeTransgenic AnimalsTransgenic OrganismsViralViral VectorVirusbasecell typeclinically relevantdevelopmental plasticityepigenomicsexperienceexperimental studyinnovationnervous system disorderneurochemistryneuronal circuitrynonhuman primatenovelnovel strategiesoverexpressionprediction algorithmprogenitorprogramstooltranscriptometranscriptomics
项目摘要
Project Summary:
Fundamental to furthering our understanding of the brain is the ability to longitudinally
track changes in gene expression over time in different contexts (e.g. development or
learning) (Aim 1) and to develop methods to target and manipulate specific neuronal cell
types regardless of species (Aim 2). This proposal is aimed at achieving these goals in
both genetically amenable and non-amenable species. While we anticipate that the
methodologies we will develop will be broadly useful in a multitude of contexts, we will
leverage our experience and knowledge of the specification and development of
interneurons as a means to validate our approaches. Forebrain interneurons are a
particularly robust context to develop these methods because the circuits interneurons
contribute to during development are both dynamic and transient. This makes them a
particularly attractive target for exploring longitudinal gene expression (Aim 1). This will
be achieved using a modification of the DamID method, which we have redesigned to
make inducible at particular developmental timepoints. Moreover, the diversity within this
population is considerable, making them an ideal target for exploring methods to
efficiently target subpopulations without the need for transgenic tools (Aim 2). In this aim
we will leverage transcriptome data sets, including data produced in Aim1. Utilizing a
computational program identify enhancer elements for mediating directed gene
expression in rAAVs. Viruses produced in this aim will be validated for use in mice and
less genetically amenable species, including non-human primates.
项目概要:
进一步了解大脑的基础是能够纵向地
跟踪基因表达在不同背景下随时间的变化(例如发育或
学习)(目标1)和开发靶向和操纵特定神经元细胞方法
本提案旨在实现这些目标,
无论是基因上适合的物种还是不适合的物种。虽然我们预计,
我们将开发的方法将在多种情况下广泛有用,我们将
利用我们在规范和开发方面的经验和知识,
作为验证我们方法的手段。前脑中间神经元是
特别强大的背景下,开发这些方法,因为电路interneurons
在开发过程中所贡献的是动态的和瞬态的。这使得它们成为
对于探索纵向基因表达(目标1)特别有吸引力的目标。
可以使用DamID方法的修改来实现,我们已经重新设计了该方法,
使诱导在特定的发展时间点。此外,在这其中的多样性,
人口众多,使他们成为探索方法的理想目标,
有效地靶向亚群,而不需要转基因工具(目标2)。
我们将利用转录组数据集,包括Aim1中产生的数据。 利用
鉴定用于介导定向基因增强子元件的计算程序
在此目的中产生的病毒将被验证用于小鼠中,
基因不太适合的物种,包括非人类灵长类动物。
项目成果
期刊论文数量(0)
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