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Genome-wide chromatin accessibility changes in cultured primary human monocytes cultured at low density and high density.

ABSTRACT: Genome-wide chromatin accessibility changes in cultured primary human monocytes cultured at low density and high density.

PROVIDER: PRJNA699259 | ENA |

REPOSITORIES: ENA

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Genome-wide chromatin accessibility changes in cultured primary human monocytes cultured at low density and high density.

Project description:ATAC sequencing of primary human monocytes cultured at low and high density. Monocytes isolated from PBMCs of 3 healthy donors were cultured at low density (1 x 10^6 cells/mL) or at high density (1 x10^7 cells/mL) for 24hrs and harvested for ATAC sequencing. Protein expression of FcgR2b is higher on monocytes in high density conditions compared to low density conditions, where expression is negligble. This study provides information on genome-wide chromatin accessibility changes that occur in high density culture in order to study associations with FcgR2b expression.

2022-04-13 | GSE166100 | GEO

Microarray timecourse profiling of gene expression changes in primary human monocytes and B-cells cultured at high density to investigate FcgR2b associated gene expression changes

Project description:Whole-genome microarray gene expression profiling of primary human monocytes and B-cells cultured at high density. Monocytes and B-cells were isolated from PMBCs of 2 healthy donors and cultured at 1x10^7 cells/mL (high density). Samples were harvested for microarray gene expresssion profiling at 0, 2, 10 or 24hrs (monocytes) or 0 or 24hrs (B-cells). Protein expression of FcgR2b is higher on monocytes in high density conditions compared to low density (1x10^6 cells/mL) conditions where expression is negligble. This study provides information on genome-wide gene expression changes that occur in high density culture in order to study associations with FcgR2b expression. B-cells cultured at high density and low density show similar levels of moderate FcgR2b expression. B cells at 0hr and after 24hr of high density culture are included in this dataset as a comparators.

2022-04-13 | GSE165643 | GEO

Genome-wide chromatin accessibility changes over time in cultured primary human monocytes due to DMOG treatment

Project description:ATAC sequencing of primary human monocytes cultured with and without hypoxia-mimetic agent DMOG (Dimethyloxalylglycine). Monocytes isolated from PBMCs of 7 healthy donors were cultured with and without DMOG for 24hrs and harvested at 0, 2, 10 or 24hrs for RNA sequencing. DMOG suppresses HIF Prolyl hydroxylase (HIF-PH) activity by acting as a small molecule competitive inhibitor. HIF-PH inhibition leads to increase in endogenous HIF protein levels and mimics aspects of hypoxia. This ATAC-seq study allows analysis of genome-wide changes to chromatin accessibility due to DMOG treatment.

2022-04-13 | GSE165997 | GEO

Gene expression study of blood monocytes in pre- and postmenopausal females with low or high bone mineral density (HG-U133A)

2016-06-01 | GSE56815 | GEO

Genome-wide chromatin accessibility changes over time in cultured primary human monocytes due to DMOG treatment

Project description:Genome-wide chromatin accessibility changes over time in cultured primary human monocytes due to DMOG treatment

| PRJNA698950 | ENA

Gene expression study of blood monocytes in pre- and postmenopausal females with low or high bone mineral density (HuEx-1_0-st-v2)

Project description:Comparison of circulating monocytes from pre- and postmenopausal females with low or high bone mineral density (BMD). Circulating monocytes are progenitors of osteoclasts, and produce factors important to bone metabolism. Results provide insight into the role of monocytes in osteoporosis. We identify osteoporosis genes by microarray analyses of monocytes in high vs. low hip BMD (bone mineral density) subjects.

2016-06-01 | GSE56814 | GEO

Expression data from cultured human monocytes

Project description:Expression data from cultured human monocytes

| PRJNA604193 | ENA

Gene expression study of blood monocytes in pre- and postmenopausal females with low or high bone mineral density (HG-U133A)

Project description:Comparison of circulating monocytes from pre- and postmanopausal females with low or high bone mineral density (BMD). Circulating monocytes are progenitors of osteoclasts, and produce factors important to bone metabolism. Results provide insight into the role of monocytes in osteoporosis. We identify osteoporosis genes by microarray analyses of monocytes in high vs. low hip BMD (bone mineral density) subjects. Microarray analyses of monocytes were performed using Affymetrix HG-133A arrays in 80 Caucasian females, including 40 high (20 pre- and 20 postmanopausal) and 40 low hip BMD (20 pre- and 20 postmanopausal) subjects

2016-06-01 | E-GEOD-56815 | biostudies-arrayexpress

Global gene expression pattern difference between the high density and the regular density cultured rat bone marrow cells

Project description:In vitro expansion of endothelial progenitor cells (EPCs) remains a challenge in stem cell research and its application. We hypothesize that high density culture is able to expansion EPCs from bone marrow by mimicking cell-cell interactions of the bone marrow niche. To test the hypothesis, rat bone marrow cells were either cultured in high density by seeding or cultured in regular density. Flow cytometric analyses of the cells cultured for 15 days showed that high density cells exhibited smaller cell size and higher levels of marker expression related to EPCs when compared to regular density cultured cells. Global gene expression pattern difference between the high density and the regular density cultured cells was analyzed by a microarray assay.

2013-08-03 | GSE49510 | GEO

Expression data from human CD4 or CD8 T-cells isolated from PBMC cultured at a low cell density (LDC) or high cell density (HDC)

Project description:Research in human immunobiology is mainly based on working with peripheral blood mononuclear cells (PBMC). However, recent investigations have shown that circulating CD4+ T cells are less sensitive to several T-cell activating monoclonal antibodies (mAb) and to recall antigens as compared to tissue-resident cells or cells that were in-vitro cultured at a high cell density of 10^7 cells/mL for 2 days at 37°C and 5% CO2 (RESTORE protocol, Römer et al., Blood 2011, PMID: 21931118). To explain the increase in sensitivity of CD4+ T-cells to mAbs and recall antigens on a molecular level, we performed microarray hybridizations of total RNA from T-cells isolated from PBMC that were cultured at a low or high cell density. To avoid the detection of genes that are up- or down-regulated by the culture process itself, we used low cell density cultured PBMC, instead of freshly prepared PBMC. We used microarrays to detail the global programme of gene expression underlying differences in the cell density of human PBMC and identified genes that are significantly up- or downregulated dependent on the cell density of PBMC.

2015-06-09 | GSE51288 | GEO

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