MiRNA profiling of Adenosine treated Endothelial Progenitor Cells (EPCs)
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE27874 | GEO | 2011/03/15
SECONDARY ACCESSION(S): PRJNA138007
REPOSITORIES: GEO
Similar Datasets
Project description:Studies of miRNA profiling in early and late endothelial progenitor cells treated or not by cardioprotective nucleoside adenosine. Early outgrowth endothelial progenitor cells were obtained by adhesion of peripheral blood mononuclear cells of healthy volunteers. Late endothelial progenitor cells were obtained by purification of CD34+ peripheral blood cells and were cultured and amplified in endothelial-specific medium containing growth factors. Both cell types were treated by adenosine (10micromol/L) for 6 hours. Total RNA was extracted using mirVana Kit and quantified by Nanodrop. RNA was labeled and hybridized using Agilent miRNA Complete Labeling and Hyb Kit. 3 to 4 arrays per sample were hybridized and scanned with the Genepix 4000B Scanner (Molecular Devices). Six independent experiments were performed.
2011-03-15 | E-GEOD-27874 | biostudies-arrayexpress
Project description:The goal of this study was to investigate the effects of the cardioprotective nucleoside adenosine on gene expression in early and late endothelial progenitor cells. Adenosine mod
2011-01-29 | GSE26744 | GEO
Project description:The goal of this study was to investigate the effects of the cardioprotective nucleoside adenosine on gene expression in early and late endothelial progenitor cells. Adenosine mod Early outgrowth endothelial progenitor cells were obtained by adhesion of peripheral blood mononuclear cells of healthy volunteers. Late endothelial progenitor cells were obtained by purification of CD34+ peripheral blood cells and were cultured and amplified in endothelial-specific medium containing growth factors. Both cell types were treated by adenosine (10micromol/L) for 6 hours. Total RNA was extracted using conventional Trizol extraction, quantified by Nanodrop and analyzed by Bioanalyzer. 1microg of RNA was amplified using AminoAllyl MessageAmp kit. 5µg amino allyl-coupled RNA was labeled with Cy3 or Cy5 dyes. Dye coupling yield >5% was a prerequisite for further analysis. 750ng of labeled RNA was hybridized on 25,000 gene microarrays for 17 hours at 60°C. 4 arrays per sample were hybridized and scanned with the Genepix 4000B Scanner (Molecular Devices). Six independent experiments were performed. Microarray data quantification and pre-processing was performed with the MAIA software and intensity values were log-transformed. Gene expression values were standardized across experiments with mean = 0 and standard deviation = 1. The SAM tool was applied to identify differentially expressed genes.
2011-01-29 | E-GEOD-26744 | biostudies-arrayexpress
Project description:Endothelial progenitor cells (EPCs) are a group of cells which can differentiate to mature endothelial cells in a certain culture condition, and were first isolated from adult human peripheral blood by Asahara et al. in 1997. EPCs have a critical role in the restoration of injured vessel endothelium and the neovascularization in the area of ischemia injury. Recently, the role of androgens in the proliferation, differentiation and adhesion of EPCs is more and more focused. Dihydrotestosterone (DHT) is a kind of unmetabolizable androgen. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of regulated genes in DHT-treated EPCs.
2015-05-06 | GSE68541 | GEO
Project description:Endothelial progenitor cells (EPCs) are a group of cells which can differentiate to mature endothelial cells in a certain culture condition, and were first isolated from adult human peripheral blood by Asahara et al. in 1997. EPCs have a critical role in the restoration of injured vessel endothelium and the neovascularization in the area of ischemia injury. Recently, the role of androgens in the proliferation, differentiation and adhesion of EPCs is more and more focused. Dihydrotestosterone (DHT) is a kind of unmetabolizable androgen. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of regulated genes in DHT-treated EPCs. EPCs were isolated from mouse bone marrow. Male C57BL/6 mice (8 weeks age) mice were sacrificed by cervical dislocation. For microarray analysis, the cells were grown in culture medium supplemented with 10nmol/L DHT, which was changed on day 2. On day 7, cells was collected for RNA extraction and subsequent experiments.
2015-05-06 | E-GEOD-68541 | biostudies-arrayexpress
Project description:Evaluation of microRNA expression profile of microvesicles (MVs) derived from endothelial progenitor cells (EPCs) cultured in different oxygen concentrations (normoxic/hypoxic conditions)
2010-12-30 | E-MEXP-2956 | biostudies-arrayexpress
Project description: Not available
| S-EPMC3262815 | biostudies-literature
Project description:It is assumed that the anti-inflammatory nucleoside adenosine can shape immune responses by shifting the Treg/Th17 balance in favor of Tregs. This assumption is based on in vivo and vitro studies mostly performed in murine models and warrants confirmation in human models. In the study underlying these microarray data, we demonstrate that the pan-adenosine agonist 5'-N-ethylcarboxamidoadenosine (NECA) skews human CD3+ T cell responses towards non-inflammatory Th17 cells. We used microarrays to confirm transcriptome changes consistent with genetic signatures of non-pathogenic Th17 cells and to explore relevant metabolic pathways potentially contributing to this development.
2022-11-15 | GSE217911 | GEO
Project description: Not available
| S-EPMC7016533 | biostudies-literature
Project description:Colorectal cancer (CRC) is one of the common malignancies worldwide, accounting for a significant percentage of cancer mortality. Concurrent chemoradiation (CCRT) is now a standard treatment for unresectable malignancies of anorectum. To improve quality of life, CCRT is also commonly applied in treatment of lower rectal and anal canal cancer to preserve anal sphincter function. The most commonly used chemotherapeutic drugs combined with radiation as radiosensitizers is 5-fluorouracil (5-FU). Circulating endothelial progenitor cells (EPC), which contribute to the tumor vessel formation, reflect the response to chemotherapy both in animal model and clinical trial. Thus, circulating EPC can be used as a marker for optimizing and monitoring the anti-angiogenesis therapy including angiogenesis inhibitors and chemotherapy. Whether circulating EPC can be served as a marker of CCRT efficacy or not remains undetermined. Since CCRT is now a standard treatment of locally advanced and high-risk CRC, the development of a surrogate marker for monitoring CCRT response and optimize treatment intensity is very important.
In this grant we intent to monitor the levels of circulating EPC in locally advanced and high-risk CRC patients before, during and after CCRT. To further characterize the changes in function and biology of EPC caused by CCRT, a syngeneic animal model will be also used to evaluate the clonogenecity and specific gene expression of EPC in tumor-bearing mice receiving CCRT.
| 2028928 | ecrin-mdr-crc