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

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

PROVIDER: PRJNA529596 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8798100_1.fastq.gz	Fastqsanger.gz
	SRR8798100_2.fastq.gz	Fastqsanger.gz
	SRR8798110_1.fastq.gz	Fastqsanger.gz
	SRR8798110_2.fastq.gz	Fastqsanger.gz
	SRR8798101_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]

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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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Expression data from mouse aorta-gonad-mesonephros(AGM) derived stromal cells

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