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RNA sequence of embryonic dorsal skin and AGM (Aorta-gonad-mesonephros) tissues

ABSTRACT: RNA sequence of embryonic dorsal skin and AGM (Aorta-gonad-mesonephros) tissues

PROVIDER: PRJNA515725 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8452040.fastq.gz	Fastqsanger.gz
	SRR8452050_1.fastq.gz	Fastqsanger.gz
	SRR8452050_2.fastq.gz	Fastqsanger.gz
	SRR8452041.fastq.gz	Fastqsanger.gz
	SRR8452051_1.fastq.gz	Fastqsanger.gz

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Bulk RNA sequencing of CD44Neg, CD44LoKitNeg, CD44LoKitPos and CD44High populations from mouse Aorta-Gonad-Mesonephros (AGM) region

Project description:The aim of the experiment was to compare newly defined CD44Neg, CD44LoKitNeg, CD44LoKitPos and CD44High populations from mouse Aorta-Gonad-Mesonephros (AGM) region

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A molecular roadmap of the aorta-gonad-mesonephros region reveals BMPER as a novel regulator of HSC maturation [AGM]

Project description:In the developing embryo, haematopoietic stem cells (HSCs) emerge from the aorta-gonad-mesonephros (AGM) region but the molecular regulation of this process is poorly understood. Recently, the progression from E9.5 to E10.5 and polarity along the dorso-ventral axis have been identified as clear demarcations of the supportive HSC niche. To identify novel secreted regulators of HSC maturation, we performed RNA-sequencing over these spatio-temporal transitions in the AGM region, and supportive OP9 cell line.

2017-10-30 | GSE102857 | GEO

RNA sequence of embryonic dorsal skin and AGM (Aorta-gonad-mesonephros) tissues

Project description:Purpose: The goals of this study are to identify the different gene expresion level in dorsal skin cells or AGM region at different embryonic stages Methods: Dorsal skin cells were collected from different-staged embryo: E9.5, E10.5 E12.5 and E14.5. AGM were collected from different-staged embryo: E9.5, E10.5 and E11.5. In duplicate. RNA were extrated and analyzed using RNA sequencing. For dorsal skine tissues, we screened the genes were highly expressed at early embryonic stage E9.5, but not later stages (E10.5, E12.5, and E14.5). For embryonic AGM tissues, we selected the genes were highly expressed at early embryonic stage E9.5, but not later stages (E10.5 and E11.5). The gene list were filtered based on secreted potein candidates. These gene candidates might function as novel embryonic anti-tumor factors Results: Using an optimized data analysis workflow, we mapped the gene list for potential secretory anti-tumor factors. Conclusions: One of the top gene from the gene lists is NEPN which we hypotherze it has unique anti-tumor function in the early embryonic microenvirnemt and might be used as a novel cancer therapeutic drug

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Pro-infammatory Aorta-Gonad-Mesonephros-associated macrophages are involved in embryonic development of hematopoietic stem cells

Project description:Hematopoietic stem cells (HSC) are generated from specialized endothelial cells of the embryonic aorta. Previously, inflammatory factors have been implicated in regulating mouse HSC development, but it is unclear what cells in the embryonic aorta-gonad- mesonephros (AGM) microenvironment produce these factors. In the adult, macrophages play both pro- and anti-inflammatory roles. We sought to examine whether macrophages or other hematopoietic cells found in the embryo prior to HSC generation are involved in the AGM HSC-generative microenvironment. Our CyTOF results indicate two abundant myeloid cell types - mannose-receptor positive AGM- associated macrophages (AGM-aM) and mannose-receptor negative macrophages/progenitors. We show that the appearance of macrophages in the AGM is dependent on CX3CR1. AGM-aM express a pro-inflammatory signature, localize to the embryonic aorta and dynamically interact with nascent and emerging intra-aortic hematopoietic cells (IAHC). Importantly, upon macrophage depletion, no adult- repopulating HSCs are detected, thus implicating unique pro-inflammatory AGM- associated macrophages in regulating the embryonic development of HSCs.

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A molecular roadmap of the aorta-gonad-mesonephros region reveals BMPER as a novel regulator of HSC maturation [OP9]

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ChIP-on-chip with anti-RBPj antibody from embryonic AGM E11.5

Project description:Hematopoietic Stem Cells (HSC) are originated during embryonic development from endothelial-like cells located in the ventral side of the dorsal aorta around day E10-12 of murine development. This region is called AGM for Aorta/Gonad/Mesonephros refering to the tissues around the hemogenic aorta. Hematopoiesis depends on the Notch pathway and the identification of Notch-targets is important for the understanding of blood origin.

2014-10-22 | GSE52094 | GEO

Single-cell RNA sequencing of VE-Cadherin+ cells isolated from mouse E10.5 aorta-gonad-mesonephros region.

Project description:The aim of this experiment was to investigate cellular heterogeneity of VE-Cadherin+ cells isolated from mouse E10.5 aorta-gonad-mesonephros region.

2019-03-12 | E-MTAB-6987 | biostudies-arrayexpress

Mesoderm-Derived PDGFRA+ Cells Regulate the Emergence of Hematopoietic Stem Cells in the Dorsal Aorta

Project description:Mouse hematopoietic stem cells (HSCs) first emerge at embryonic day 10.5 (E10.5) on the ventral surface of the dorsal aorta, by endothelial-to-hematopoietic transition (EHT). We investigated whether cells with mesenchymal stem cell-like cell (MSC-LCs) activity that provide an essential niche for HSCs in the bone marrow reside in the aorta-gonad-mesonephros (AGM) and contribute to the structural development of the dorsal aorta and EHT. Using transgenic mice, we demonstrate a lineage hierarchy for AGM MSC-LCs and trace the aortic endothelium and HSCs to mesoderm-derived (Mesp1) PDGFRA+ cells. Mesp1/PDGFRA+ MSC-LCs dominate the sub-endothelial and ventral stroma in the E10.5–E11.5 AGM but by E13.5 are replaced by neural crest (Wnt1) MSC-LCs. Co-aggregating endothelial cells with Mesp1 but not with Wnt1 MSC-LCs resulted in EHT and generation of LT-HSCs that is interrupted by dose-dependent inhibition of PDGFRA signalling. This partnership between endothelial cells and AGM Mesp1 MSC-LCs could be harnessed to manufacture HSCs from endothelium.

2022-04-26 | GSE163757 | GEO

Bulk RNA sequencing of CD44Neg, CD44LoKitNeg, CD44LoKitPos and CD44High populations from mouse Aorta-Gonad-Mesonephros (AGM) region

Project description:Bulk RNA sequencing of CD44Neg, CD44LoKitNeg, CD44LoKitPos and CD44High populations from mouse Aorta-Gonad-Mesonephros (AGM) region

| PRJNA529596 | ENA

Transcription profiling of mouse aorta-gonad-mesonephros(AGM) derived stromal cells

Project description:A mouse AGM-derived cell line, AGM-s3, was shown to support the development of hematopoietic stem cells. To elucidate the molecular mechanisms regulating early hematopoiesis, we obtained subclones from AGM-s3, some of which were hematopoiesis supportive (s3-A9) and others which were non-supportive (s3-A7), and we analyzed the gene expression profiles by gene chip analysis. Experiment Overall Design: Genome-wide gene expression was examined using Affymetrix GeneChip array. Assays were performed according to the manufacturer's protocol. Total RNA was isolated from each stromal cell lines. We analysed 3 cell lines, AGM-s3-A9, AGM-s3-A7 and OP9. AGM-s3-A9 and OP9 are hematopoiesis supportive cell lines. AGM-s3-A7 is a hematopoiesis non-supportive cell line.

2008-10-26 | E-GEOD-11891 | biostudies-arrayexpress

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