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Expression data from human perivascular stem cell-derived extracellular vesicles (PSC-EVs) and PSCs

ABSTRACT: Expression data from human perivascular stem cell-derived extracellular vesicles (PSC-EVs) and PSCs

PROVIDER: PRJNA533813 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8932670_1.fastq.gz	Fastqsanger.gz
	SRR8932670_2.fastq.gz	Fastqsanger.gz
	SRR8932671_1.fastq.gz	Fastqsanger.gz
	SRR8932671_2.fastq.gz	Fastqsanger.gz
	SRR8932672_1.fastq.gz	Fastqsanger.gz

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Expression data from human perivascular stem cell-derived extracellular vesicles (PSC-EVs) and PSCs

Project description:The vascular wall from diverse human organs is a source of mesenchymal progenitor cells that are able to induce skeletal repair, primarily by paracrine mechanisms. To investigate these paracrine mechanisms, FACS purified human perivascular stem cells (PSC) were observed to induce mitogenic, pro-migratory, and pro-osteogenic effects on osteoprogenitor cells while in non-contact co-culture, and did so via elaboration of extracellular vesicles (EVs). PSC-derived EVs shared mitogenic, pro-migratory, and pro-osteogenic properties of their parent cell. EVs represent a mixture of protein, lipid, and RNA that may affect cellular processes of the recipient cell. To begin to examine this, the RNA content of PSC-EVs was examined in comparison to the parent cell using total RNA sequencing.

2019-10-08 | GSE130086 | GEO

Proteomic analysis of serum EVs derived from PSC, CCA and PSC-CCA patients

Project description:Cholangiocarcinomas (CCAs) are heterogeneous biliary cancers with dismal prognosis. Their etiologies remain mostly unclear, although primary sclerosing cholangitis (PSC) is a well-known risk factor. There is an urgent need of accurate non-invasive biomarkers for early CCA diagnosis and to predict patient´s prognosis, which may improve their clinical management and outcome. Here, by high-throughput proteomic analysis of serum extracellular vesicles (EVs), we identified diagnostic and/or prognostic biomarkers specific for CCAs in patients with PSC, and others common to all CCA subtypes. Bulk RNA tissue transcriptomic data revealed that these biomarkers are predominantly expressed in hepatobiliary tissues, being expressed in different liver cell types. Furthermore, single-cell RNAseq (scRNA-seq) analysis revealed that the expression of these biomarkers was preferentially found in malignant cholangiocytes within CCA tumors. In summary, these results highlight the potential of serum EVs to reflect cancer presence, especially for difficult-to-diagnose malignancies, including CCA."

2023-07-20 | PXD026197 | Pride

Crosstalk between the effects of extracellular vesicles (Evs) and TNF on U937 human monocyte cell line

Project description:Under physiological conditions, extracellular vesicles (EVs) are present simultaneously in the extracellular compartment together with cytokines. Thus, we hypothesized that EVs in combination with cytokines induce different responses of monocyte cells compared to EVs or cytokines alone. Human monocyte U937 cells were incubated with EV-containing or EV-free CCRF human T-cell supernatant, with or without the addition of TNF. U937 cells cultured in EV-free supernatant, supernatant containing CCRF t-cell derived EVs, TNF or both. Each treatment option was measured in 3 replicates.

2013-06-19 | E-GEOD-47897 | biostudies-arrayexpress

Expression data from human bone marrow mesenchymal stem cells - treated with perivascular stem cell-derived extracellular vesicles control (in osteogenic medium)

Project description:The vascular wall from diverse human organs is a source of mesenchymal progenitor cells. FACS purified human perivascular stem cells (PSC), identified by expression of CD146 or CD34, were observed to induce mitogenic, pro-migratory, and pro-osteogenic effects on osteoprogenitor cells via elaboration of extracellular vesicles (EV). These EV mediated effects were dependent on surface-associated tetraspanin expression, including CD9 and CD81. PSC derived EV stimulate bone defect repair, and do so via stimulation of skeletal progenitor cell proliferation, migration, and osteodifferentiation. In sum, PSC-EV represent an ‘off the shelf’ alternative for bone tissue engineering and regenerative medicine.

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Proteomic analysis of small extracellular vesicles derived from human iPSC

Project description:Pluripotent stem cell-derived small extracellular vesicles (PSC-sEVs) have demonstrated great clinical translational potential in multiple aging-related degenerative diseases. Characterizing the PSC-sEVs is crucial for their clinical applications. However, the specific biomarker pattern of PSC-sEVs remains unknown. We displayed proteome analysis and further verification for identification of PSC-sEVs' specific biomarkers. The application of these specific biomarkers for PSC-sEVs identification may advance the clinical translation of PSCs-sEVs.

2024-05-23 | PXD047171 | Pride

Expression data from RLT-PSC, human pancreatic stellate cell lineage

Project description:Gene expression patterns in human PSCs exposed to chronic hyperglycemia with and without subsequent 48h TGF-β1 treatment or to TGF-B1 treatment alone. Treatments were compared to control human PSCs cultured in normal glucose concentration Total RNA was extracted from human PSCs of RLT-PSC line exposed to chronic hyperglycemia with or without subsequent TGF-β1 treatment and in PSCs exposed to 48h TGF-β1 treatment. Each treatment was compared to control human PSCs cultured in normal glucose concentration. Samples from all treatment arms were hybridized on Affymetrix PrimeView Human Gene Expression Array

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Project description:Identification of transcriptional profile of several genes involved in diabetes in islet-derived extracellular vesicles (Evs). Recently, EVs are identified as a new mechanism in cell-to-cell communication by transfer of protein and genic information (mRNA, microRNA). Their role is under investigation in immunology, stem cell and cancer, but not in islets and diabetes. The aim of this experiment is to identify mRNA transcripts (in particular, mRNA transcripts involved in diabetes pathophysiology) present in islet Evs.

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Project description:Activated pancreatic stellate cells produce the fibrotic matrix in chronic pancreatitis and pancreatic cancer. In vitro protocols examining PSC biology have usually involved PSCs cultured on plastic, a non-physiological surface. However, PSCs cultured on physiological matrices e.g. MatrigelTM (normal basement membrane) and collagen (fibrotic pancreas), may have distinctly different behaviours compared to cells cultured on plastic. Therefore, we aimed to compare PSC gene expression after culture on plastic, MatrigelTM and collagen I. Total RNA from stellate cells in 10 cm Petri dishes was isolated by Qiagen RNeasy Mini Plus kit as per manufacturer’s instructions. The Agilent 2100 Bioanalyzer (Agilent Technologies Inc. Santa Clara, CA) was used for quality control of the isolated total RNA. Gene expression profiles of rat PSCs cultured on MatrigelTM, collagen I and plastic were analysed by whole rat genome microarray purchased from Affymetrix (Rat Gene 1.0 ST Array). This array was able to detect 27,342 rat genes, with approximately 26 probes on average per gene (referred to as a probe set).

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Crosstalk between the effects of extracellular vesicles (Evs) and TNF on U937 human monocyte cell line

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Differentially enriched miRNAs in EVs derived from young and aged osteocytes of mice

Project description:Vascular calcification often occurs with osteoporosis, a contradictory association called “calcification paradox”. We find that extracellular vesicles (EVs) released from aged bone matrix (AB-EVs) during bone resorption favor adipogenesis rather than osteogenesis of BMSCs and augment calcification of vascular smooth muscle cells (VSMCs). Intravenous or intramedullary injection of AB-EVs promotes bone-fat imbalance and exacerbates Vitamin D3 (VD3)-induced vascular calcification in young or old mice. To explore the involvement of miRNAs in the AB-EVs-induced promotion of adipocyte formation and vascular calcification, the Agilent miRNA array was conducted to compare the miRNA expression profiles in AB-EVs and YB-EVs from mouse bone specimens. Our study uncovers the role of AB-EVs as a messenger for calcification paradox by transferring functional miRNAs.

2022-02-15 | E-MTAB-11417 | biostudies-arrayexpress

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