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Mus musculus

ABSTRACT: RNA-seq analysis of bone marrow peri-vascular stromal cells

PROVIDER: PRJNA353371 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5016700.fastq.gz	Fastqsanger.gz
	SRR5016701.fastq.gz	Fastqsanger.gz
	SRR5016702.fastq.gz	Fastqsanger.gz
	SRR5016693.fastq.gz	Fastqsanger.gz
	SRR5016703.fastq.gz	Fastqsanger.gz

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Mus musculus

Project description:RNA-seq transcriptome analysis of Nestin-GFP-peri and -GFP-retic bone marrow stromal cells

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RNA-seq transcriptome analysis of Nestin-GFP-peri and -GFP-retic bone marrow stromal cells

Project description:Cell cycle quiescence is a critical feature contributing to haematopoietic stem cell (HSC) maintenance. Although various candidate stromal cells have been identified as potential HSC niches, the spatial localization of quiescent HSC in the bone marrow (BM) remains unclear. Here, using a novel approach that combines whole-mount confocal immunofluorescence imaging technique and computational modelling to analyse significant tridimensional associations among vascular structures, stromal cells and HSCs, we show that quiescent HSCs associate specifically with small arterioles that are preferentially found in endosteal BM. These arterioles are ensheathed exclusively by rare Nestin-GFP-peri/NG2+ pericytes, distinct from sinusoid-associated Nestin-GFP-retic/LepR+ cells. The present RNA-seq study sought to obtain a comprehensive understanding of the differences between the two distinct HSC cellular niches. mRNA profiles of sorted Nestin-GFP-peri and -GFP-retic bone marrow stromal cells were generated from pooled mice in triplicate by Illumina HiSeq 2000 sequencing.

2013-10-10 | E-GEOD-48764 | biostudies-arrayexpress

Expression data from Mus musculus tumor stromal vascular fraction

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ATAC-seq profiling of Nfat5 KO and WT in Mus musculus macrophages

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2021-06-09 | GSE111476 | GEO

Expression data from Mus musculus white adipose tissue

Project description:We used microarrays to detail the gene expression profile during WAT -beige transition by treatment of beta adrenergic receptor agonist . Stromal vascular fractions (SVF) from mice (n = 3/group) that received vehicle or beta3 adrenergic receptor agonist, CL, treatment were served for RNA extraction and hybridization on Affymetrix microarrays. We are trying to find out angiogenic factors genes dynamics during white adipose tissues (WAT) - beige transition.

2014-03-15 | E-GEOD-55934 | biostudies-arrayexpress

RNA-seq analysis of bone marrow peri-vascular stromal cells

Project description:Fate decisions of haematopoietic stem cells (HSCs) to self-renew or differentiate in response to various demands are finely tuned by specialized microenvironments called “niches” in the bone marrow. Recent studies suggest that arterioles and sinusoids accompanied with distinct stromal cells marked by nerve/glial antigen 2 (NG2) and leptin receptor (LepR), compose distinct niches regulating quiescence and proliferation of HSCs, respectively. However, it remains unknown how the distinct niche cells differentially regulate the HSC functions. Here we show that effects of cytokines regulating HSC functions are dependent on the producing cell sources. Deletion of chemokine C-X-C motif ligand 12 (CXCL12) in NG2-cre targeted cells, which exclusively overlap with Nestin-GFP (Nes-GFP)+ stromal cells associated with arterioles and sinusoids, resulted in a robust reductions of HSCs in the bone marrow and massive mobilization. Deletion of CXCL12 from arteriolar NG2+ vascular smooth muscle cells caused a significant decrease of HSCs and altered HSC location in the marrow, while CXCL12 depletion from sinusoidal LepR+ cells did not reduce HSC numbers in the bone marrow. By contrast, deletion of stem cell factor (SCF) in LepR+ cells led to significant reductions in HSC numbers whereas SCF deletion in arteriolar NG2+ cells showed no effect on HSC numbers in the marrow. These results uncover the distinct contributions of cytokines derived from perivascular cells in separate vascular niches for HSC maintenance and mobilization. We sought to obtain comprehensive understanding of differences between peri-arteriolar and peri-sinusoidal niche cells by the present RNA-seq analysis.

2017-02-19 | GSE89811 | GEO

Mus musculus

Project description:RNA sequencing of LPS treated mouse bone marrow stromal cells

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Mus musculus

Project description:Tet2 loss dysregulates the behavior of bone marrow derived mesenchymal stromal cells [RNA-seq]

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Peri-sinusoidal stromal cells form a unique multispecific niche for hematopoietic stem cells and early B cells

Project description:In the bone marrow, CXCL12 and IL7 are essential for B cell differentiation whereas hematopoietic stem cells (HSC) maintenance requires SCF and CXCL12. Previous studies, including ours, indicate that peri-sinusoidal stromal (PSS) cells are heterogeneous and that part of them express and are the main source of IL7. Our single cell qPCR and transcriptomic analysis demonstrate that SCF, CXCL12 and IL7 are co-expressed by a unique peri-sinusoidal stromal cell subset.

2019-03-01 | GSE121568 | GEO

Identification of a portal vessel-associated fetal liver hematopoietic stem cell niche

Project description:Whereas the cellular basis of the hematopoietic stem cell (HSC) niche in the bone marrow has been characterized, the nature of the fetal liver (FL) niche is not yet elucidated. We show that Nestin+NG2+ pericytes associate with portal vessels, forming a niche promoting HSC expansion. Nestin+NG2+ cells and HSCs scale during development with the fractal branching patterns of portal vessels, tributaries of the umbilical vein. After closure of the umbilical inlet at birth, portal vessels undergo a transition from Neuropilin-1+Ephrin-B2+ artery to EphB4+ vein phenotype, associated with a loss of peri-portal Nestin+NG2+ cells and emigration of HSCs away from portal vessels. These data support a model in which HSCs are titrated against a peri-portal vascular niche with a fractal-like organization enabled by placental circulation. Characterization of the transcriptome of fetal liver and adult bone marrow niche using RNA-seq

2015-12-03 | E-GEOD-72341 | biostudies-arrayexpress

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