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A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (RNA-seq)

ABSTRACT: A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (RNA-seq)

PROVIDER: PRJNA483120 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7609910.fastq.gz	Fastqsanger.gz
	SRR7609911.fastq.gz	Fastqsanger.gz
	SRR7609912.fastq.gz	Fastqsanger.gz
	SRR7609913.fastq.gz	Fastqsanger.gz
	SRR7609904.fastq.gz	Fastqsanger.gz

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A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (Microarray)

Project description:Development of the embryonic head is driven by the activity of gene regulatory networks of transcription factors. LHX1 is a homeobox transcription factor that plays an essential role in the formation of the embryonic head. The loss of Lhx1 function results in anterior truncation of the embryo caused by the disruption of morphogenetic movement of tissue precursors and the dysregulation of WNT signaling activity. Profiling the gene expression pattern in the Lhx1 mutant embryo revealed that tissues in anterior germ layers acquire posterior tissue characteristics, suggesting Lhx1 activity is required for the allocation and patterning of head precursor tissues. Here, we used LHX1 as an entry point to delineate its transcriptional targets and interactors and construct a LHX1-anchored gene regulatory network. Using a gain-of-function approach, we identified genes that immediately respond to Lhx1 activation. Meta-analysis of the datasets of LHX1-responsive genes and genes expressed in the anterior tissues of mouse embryos at head-fold stage, in conjunction with published Xenopus embryonic LHX1 (Xlim1) ChIP-seq data, has pinpointed the putative transcriptional targets of LHX1 and an array of genetic determinants functioning together in the formation of the mouse embryonic head.

2018-12-10 | GSE117760 | GEO

A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (RNA-seq)

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A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development

Project description:A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development

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A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (Microarray)

Project description:A gene regulatory network driven by LIM homeobox 1 (LHX1) for embryonic head development (Microarray)

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The LHX1 Gene Regulatory Network Represses Pluripotency to Specify the Embryonic Head

Project description:The development of the embryonic head in mice relies on the activity of the transcription factor LIM homeobox 1 (LHX1) in the anterior epiblast. In this study, we sought to unravel the molecular role of LHX1 during and immediately following gastrulation. We utilized CRISPR-Cas9 gene editing in embryo models as well as DamID-seq, RNA-seq, and ATAC-seq in mouse embryos. These techniques enabled us to reveal the genome wide targets of LHX1 for the first time in gastrulation stage mouse embryos. Integrated analysis of the omics datasets uncovered that LHX1 is instrumental in decommissioning the pluripotency network and determining the anterior fate of the precursor tissue of the embryonic head. We found that LHX1 directly binds to and regulates genes involved in WNT and FGF signaling pathway inhibition. We also identified a downstream target of LHX1, Kctd1, expressed in the anterior tissue, which acts to modulate canonical WNT activity. These findings identified a component of the gene regulatory network anchored by LHX1 that governs the development of the embryonic head.

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The LHX1 Gene Regulatory Network Represses Pluripotency and Modulates Multiple Signaling Pathways to Specify the Embryonic Head [Neuruloid_DamID-seq]

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The LHX1 Gene Regulatory Network Represses Pluripotency and Modulates Multiple Signaling Pathways to Specify the Embryonic Head [Embryo_RNA-seq]

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The LHX1 Gene Regulatory Network Represses Pluripotency and Modulates Multiple Signaling Pathways to Specify the Embryonic Head [EB_RNA-seq]

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The LHX1 Gene Regulatory Network Represses Pluripotency and Modulates Multiple Signaling Pathways to Specify the Embryonic Head [Embryo DamID-seq]

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