Regulation of Gene Expression in the Th2 Cytokine Locus
Th2 细胞因子基因座基因表达的调控
基本信息
- 批准号:7574486
- 负责人:
- 金额:$ 22.05万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-04-01 至 2010-03-31
- 项目状态:已结题
- 来源:
- 关键词:AddressAllergicAntigensApplications GrantsAsthmaAutoimmune DiseasesAutoimmunityBacterial Artificial ChromosomesBiological ModelsChromatin StructureChromosomesChromosomes, Human, Pair 1Chromosomes, Human, Pair 11Chromosomes, Human, Pair 5ComplexComputer Systems DevelopmentCytokine GeneDNADataDevelopmentDiseaseDisease modelDissectionES Cell LineElementsEnhancersEnvironmentFlow CytometryFoundationsFunctional disorderFundingFutureGene ExpressionGene Expression RegulationGene StructureGenerationsGenesGenetic TranscriptionGleanGoalsGrantHomeostasisHuman ChromosomesIL4 geneIL5 geneImmuneInterleukin-13Interleukin-4LaboratoriesLeadMeasuresMediatingMethodologyModalityModelingMusMutant Strains MiceMutateNucleic Acid Regulatory SequencesPlayProcessProductionProteinsRegulationRegulatory ElementReporterResearchRoleSystemT-LymphocyteTechnologyTh2 CellsTimeTranscriptional RegulationTransgenic MiceWorkblastocystcombinatorialcytokineembryonic stem cellloss of functionnovelrecombinaseresponsesite-specific integrationtechnology developmenttherapeutic developmenttherapy developmenttranscription factor
项目摘要
DESCRIPTION (provided by applicant): During Th2 differentiation, the Th2 cytokine locus undergoes changes in chromatin structure that facilitate coordinated cytokine gene expression. A variety of positive and negative regulatory elements work cooperatively to bring about these changes in a lineage-specific fashion. The principal goal of this study is to understand the functional interplay among cis-elements that coordinates gene expression within this locus. We also want to understand the mechanism by which transcription factors initiate and maintain transcriptional activity of the cytokine genes. The first aim is to generate a reporter system to evaluate the role of elements within the Th2 cytokine locus in regulating coordinated expression of IL-4, IL-5, and IL-13. This reporter will be utilized to assess transcription of the genes simultaneously as well as assess the role of cis-elements, individually and in combination, on their regulation. The second aim is to create a system by which the reporter in Aim 1 can be rapidly introduced into mouse ES cells. Recombinase-mediated cassette exchange (RMCE) will be used to fulfill the goals of this aim. Appropriate Th2 differentiation is critical for proper immune homeostasis and antigen responsiveness. Dysregulated T cell polarization has been implicated in a number of pathological states, including allergic diseases and autoimmunity. Information gleaned from these studies will contribute to our understanding of Th2 differentiation and hopefully enable the ultimate goal, to intervene in this process and to avoid or correct these pathological manifestations. PUBLIC HEALTH RELEVANCE: The study of the regulation of Th2 cytokine gene expression is crucial in order to understand the development and treatment of immune-mediated dysfunction such as asthma or autoimmune disease. In this exploratory grant, we propose to develop a novel system to study Th2 cytokine gene expression that will enable for the first time a comprehensive analysis of regulatory element function in the Th2 cytokine locus. The development of this system will provide a much more detailed understanding of the control of Th2 cytokine gene expression and will eventually enable the development of therapeutic modalities that can specifically target and modulate the expression of these genes.
描述(由申请人提供):在Th2分化过程中,Th2细胞因子位点经历染色质结构的改变,促进细胞因子基因的协调表达。各种积极和消极的调节因素共同作用,以特定谱系的方式带来这些变化。本研究的主要目的是了解在该位点内协调基因表达的顺式元件之间的功能相互作用。我们还想了解转录因子启动和维持细胞因子基因转录活性的机制。第一个目标是建立一个报告系统,以评估Th2细胞因子位点内的元件在调节IL-4、IL-5和IL-13的协调表达中的作用。该报告将被用来同时评估基因的转录,以及评估顺式元件的作用,单独和组合,对他们的调节。第二个目标是创建一个系统,通过该系统,aim 1中的报告基因可以快速导入小鼠胚胎干细胞。重组酶介导的卡带交换(RMCE)将用于实现这一目标。适当的Th2分化对适当的免疫稳态和抗原反应至关重要。失调的T细胞极化与许多病理状态有关,包括过敏性疾病和自身免疫。从这些研究中收集到的信息将有助于我们对Th2分化的理解,并有望实现干预这一过程并避免或纠正这些病理表现的最终目标。公共卫生相关性:研究Th2细胞因子基因表达的调控对于了解免疫介导的功能障碍(如哮喘或自身免疫性疾病)的发生和治疗至关重要。在这项探索性资助中,我们建议开发一种新的系统来研究Th2细胞因子基因表达,这将首次对Th2细胞因子位点的调控元件功能进行全面分析。该系统的发展将提供对Th2细胞因子基因表达控制的更详细的了解,并最终使能够特异性靶向和调节这些基因表达的治疗方式的发展成为可能。
项目成果
期刊论文数量(1)
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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PATRICK E FIELDS其他文献
PATRICK E FIELDS的其他文献
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{{ truncateString('PATRICK E FIELDS', 18)}}的其他基金
The Role of the Histone Methyltransferase DOT1L in Erythropoiesis
组蛋白甲基转移酶 DOT1L 在红细胞生成中的作用
- 批准号:
8297742 - 财政年份:2012
- 资助金额:
$ 22.05万 - 项目类别:
The Role of the Histone Methyltransferase DOT1L in Erythropoiesis
组蛋白甲基转移酶 DOT1L 在红细胞生成中的作用
- 批准号:
8457125 - 财政年份:2012
- 资助金额:
$ 22.05万 - 项目类别:
The Role of the Histone Methyltransferase DOT1L in Erythropoiesis
组蛋白甲基转移酶 DOT1L 在红细胞生成中的作用
- 批准号:
8636460 - 财政年份:2012
- 资助金额:
$ 22.05万 - 项目类别:
MECHANISTIC STUDIES OF DOT1L FUNCTION IN EMBRYONIC ERYTHROPOIESIS
胚胎红细胞生成中 DOT1L 功能的机制研究
- 批准号:
8360689 - 财政年份:2011
- 资助金额:
$ 22.05万 - 项目类别:
KANSAS U COBRE: REGULATION OF GENE EXPRESSION IN THE TH2 CYTOKINE LOCUS
堪萨斯大学 COBRE:TH2 细胞因子基因座基因表达的调控
- 批准号:
7721038 - 财政年份:2008
- 资助金额:
$ 22.05万 - 项目类别:
Regulation of Gene Expression in the Th2 Cytokine Locus
Th2 细胞因子基因座基因表达的调控
- 批准号:
7471730 - 财政年份:2008
- 资助金额:
$ 22.05万 - 项目类别:
KANSAS U COBRE: REGULATION OF GENE EXPRESSION IN THE TH2 CYTOKINE LOCUS
堪萨斯大学 COBRE:TH2 细胞因子基因座基因表达的调控
- 批准号:
7610808 - 财政年份:2007
- 资助金额:
$ 22.05万 - 项目类别:
EARLY GENE EXPRESSION DURING T CELL ACTIVATION
T 细胞激活期间的早期基因表达
- 批准号:
7381289 - 财政年份:2006
- 资助金额:
$ 22.05万 - 项目类别:
Regulation of Gene Expression in the Th2 Cytokine Locus
Th2 细胞因子基因座基因表达的调控
- 批准号:
7119005 - 财政年份:2005
- 资助金额:
$ 22.05万 - 项目类别:
Regulation of Gene Expression in the Th2 Cytokine Locus
Th2 细胞因子基因座基因表达的调控
- 批准号:
6705882 - 财政年份:2005
- 资助金额:
$ 22.05万 - 项目类别:
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