Transcriptional regulatory networks govering placental development.
控制胎盘发育的转录调控网络。
基本信息
- 批准号:10406355
- 负责人:
- 金额:$ 29.87万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-08-24 至 2024-05-31
- 项目状态:已结题
- 来源:
- 关键词:ATAC-seqAdultBindingBinding SitesBiological AssayCell LineCellsCessation of lifeChIP-seqComplexComputer AnalysisDataDeciduaDevelopmentDiseaseEarly DiagnosisEarly treatmentEmbryoEnhancersEnsureFetal Growth RetardationFetusGene AbnormalityGene ExpressionGenesGeneticGenetic TranscriptionGenomic DNAGenomicsGoalsGrowthHumanKnowledgeLeadMetabolicMethodsMissionMothersMusNational Institute of Child Health and Human DevelopmentNucleic Acid Regulatory SequencesNutrientOutcomePathogenesisPathologyPathway interactionsPlacentaPlacenta DiseasesPlacentationPre-EclampsiaPregnancyPregnancy ComplicationsPregnancy OutcomeProcessPublic HealthPublishingRegulationReporterResearchSmall Interfering RNASyncytiotrophoblastTestingTherapeutic InterventionTimeTissuesVariantWorkadverse pregnancy outcomebasebiomarker developmentcell motilitycomputerized toolscomputing resourcesearly onsetgenome-widegenomic RNAinnovationknock-downknockout genemembermigrationneonatal deathnovel markernovel therapeutic interventionpreventspatiotemporalstillbirthtooltranscription factortranscription regulatory networktranscriptome sequencingtrophoblast
项目摘要
Abnormal gene expression during early placental development has been associated with adverse pregnancy
outcomes. However, the transcriptional regulatory networks underlying normal placental development, includ-
ing the transcription factors, the enhancers they bind to, and the genes they regulate, are unknown. Until this fundamental gap is filled, the variants in genomic DNA that cause aberrant gene expression and lead to preg-
nancy complications cannot be understood. The applicant’s long-term goal is to identify global mechanisms by
which transcription factors and enhancers work together to regulate placental development. The overall objec-
tive of this application is to define and characterize transcriptional regulatory networks for processes that occur
during three critical time points of mouse placental development (embryonic days 7.5, 8.5, and 9.5), prior to the
formation of the mature placenta. The central hypothesis, based on published and preliminary data, is that time
point-specific transcriptional regulatory networks regulate distinct processes during early placental develop-
ment, and that disruption of transcription factors or enhancers central to these networks leads to abnormal
trophoblast gene expression. The rationale for the proposed research is that understanding the regulatory net-
works underlying early placental development will enable early detection and treatment of placental disorders.
The central hypothesis will be tested using three specific aims: (1) to define process-specific transcriptional
regulatory networks during early placental development;; (2) to determine the mechanisms by which key TF-
enhancer pairs regulate gene expression in mouse trophoblast subtypes;; and (3) to determine the relationship
between cis-regulation in mouse and human trophoblasts. To execute these aims, we will use an integrated
approach, combining experimental genomics (RNA-Seq, ChIP-Seq, and ATAC-Seq), computational analysis
(e.g. co-expression analysis, enhancer module analysis, and binding site predictions), and functional assays
(e.g. ChIP, reporter assays, and siRNA knockdown). Each aim is supported by a strong scientific premise and
preliminary data, and each method has been established either in the applicant’s lab or in the lab of a member
of the research team. Completion of this project will result in a global understanding of the transcriptional net-
works regulating early placental development, and in an understanding of the mechanisms by which key TF-
enhancer pairs regulate gene expression in mouse and human trophoblast cells. The research proposed in this
application is innovative, in the applicant’s opinion, because it represents a new and substantive departure
from the status quo by shifting focus to genome-scale identification and characterization of TF-enhancer net-
works that regulate specific processes during placental development. This contribution is significant because it
will provide a new understanding of normal placental development, ultimately leading to the development of
novel therapeutic interventions for placenta-associated disorders.
胎盘发育早期基因表达异常与不良妊娠有关
然而,正常胎盘发育的转录调控网络,包括:
转录因子、它们所结合的增强子以及它们所调控的基因都是未知的。在填补这一基本空白之前,基因组DNA中引起异常基因表达并导致妊娠的变异体,
申请人的长期目标是通过以下方式确定全球机制:
这些转录因子和增强子共同调节胎盘的发育。
本申请的目的是定义和表征转录调控网络,用于发生在细胞中的过程,
在小鼠胎盘发育的三个关键时间点(胚胎第7.5、8.5和9.5天)期间,
成熟胎盘的形成。基于已发表的和初步的数据,中心假设是,
点特异性转录调控网络调控胎盘早期发育的不同过程
这些网络的核心转录因子或增强子的破坏会导致异常的
滋养层基因表达。拟议的研究的基本原理是,
早期胎盘发育的基础工作将使胎盘疾病的早期检测和治疗成为可能。
中心假设将使用三个具体目标进行测试:(1)定义过程特异性转录
胎盘早期发育过程中的调节网络; 2)确定关键TF-1表达的机制,
增强子对调节小鼠滋养层亚型中的基因表达;(3)确定
为了实现这些目标,我们将使用一种整合的方法,
方法,结合实验基因组学(RNA-测序,ChIP-测序和ATAC-测序),计算分析
(e.g.共表达分析、增强子模块分析和结合位点预测)和功能测定
(e.g. ChIP、报告基因测定和siRNA敲除)。每个目标都有强大的科学前提支持,
初步数据,并且每种方法都已在申请人的实验室或成员的实验室中建立
该项目的完成将导致对转录网络的全面理解。
调节早期胎盘发育,并了解关键的TF-1受体表达的机制。
增强子对调节小鼠和人类滋养层细胞的基因表达。
申请人认为,申请是创新的,因为它代表了一种新的实质性的出发点
通过将焦点从现状转移到基因组规模的TF-10增强子网络的鉴定和表征,
在胎盘发育过程中调节特定过程。这一贡献是重要的,因为它
将为正常胎盘发育提供新的认识,最终导致
胎盘-胎盘相关疾病的新治疗干预。
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
PlacentaCellEnrich: A tool to characterize gene sets using placenta cell-specific gene enrichment analysis.
- DOI:10.1016/j.placenta.2020.10.029
- 发表时间:2021-01-01
- 期刊:
- 影响因子:3.8
- 作者:Jain A;Tuteja G
- 通讯作者:Tuteja G
Unsupervised Contrastive Peak Caller for ATAC-seq.
用于 ATAC-seq 的无监督对比峰值调用器。
- DOI:10.1101/2023.01.07.523108
- 发表时间:2023
- 期刊:
- 影响因子:0
- 作者:Vu,HaTH;Zhang,Yudi;Tuteja,Geetu;Dorman,Karin
- 通讯作者:Dorman,Karin
Identifying novel regulators of placental development using time-series transcriptome data.
- DOI:10.26508/lsa.202201788
- 发表时间:2023-02
- 期刊:
- 影响因子:4.4
- 作者:
- 通讯作者:
The impact of bisphenol A on the placenta†.
- DOI:10.1093/biolre/ioac001
- 发表时间:2022-05-17
- 期刊:
- 影响因子:3.6
- 作者:Adu-Gyamfi, Enoch Appiah;Rosenfeld, Cheryl S.;Tuteja, Geetu
- 通讯作者:Tuteja, Geetu
The product of BMP-directed differentiation protocols for human primed pluripotent stem cells is placental trophoblast and not amnion.
- DOI:10.1016/j.stemcr.2022.04.014
- 发表时间:2022-06-14
- 期刊:
- 影响因子:5.9
- 作者:Seetharam, Arun S.;Vu, Ha T. H.;Choi, Sehee;Khan, Teka;Sheridan, Megan A.;Ezashi, Toshihiko;Roberts, R. Michael;Tuteja, Geetu
- 通讯作者:Tuteja, Geetu
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Geetu Tuteja其他文献
Geetu Tuteja的其他文献
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{{ truncateString('Geetu Tuteja', 18)}}的其他基金
Transcriptional regulatory networks govering placental development.
控制胎盘发育的转录调控网络。
- 批准号:
9769096 - 财政年份:2018
- 资助金额:
$ 29.87万 - 项目类别:
Transcriptional regulatory networks govering placental development.
控制胎盘发育的转录调控网络。
- 批准号:
10165766 - 财政年份:2018
- 资助金额:
$ 29.87万 - 项目类别:
The role of HIF regulated genes and genomic regions in trophoblast invasion
HIF 调控基因和基因组区域在滋养层侵袭中的作用
- 批准号:
9127300 - 财政年份:2015
- 资助金额:
$ 29.87万 - 项目类别:
The role of HIF regulated genes and genomic regions in trophoblast invasion
HIF 调控基因和基因组区域在滋养层侵袭中的作用
- 批准号:
9004888 - 财政年份:2014
- 资助金额:
$ 29.87万 - 项目类别:
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