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Human Wnt signaling pathway (Realtime qPCR array)

ABSTRACT: Human bone marrow mesenchymal stem cells (BMMSC) and human embryonic mesenchymal stem cells (ESMSC)were used. X-ray irradiation (2Gy) or 0Gy was delivered. After 4 hours, equal amount total RNA from each sample was extracted prior to gene expression analysis. After making cDNA, genes associated with Wnt signaling pathway were analyzed.

ORGANISM(S): Homo sapiens

PROVIDER: GSE60310 | GEO | 2014/08/12

SECONDARY ACCESSION(S): PRJNA258006

REPOSITORIES: GEO

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Human Wnt signaling pathway (Realtime qPCR array)

Project description:Human bone marrow mesenchymal stem cells (BMMSC) and human embryonic mesenchymal stem cells (ESMSC)were used. X-ray irradiation (2Gy) or 0Gy was delivered. After 4 hours, equal amount total RNA from each sample was extracted prior to gene expression analysis. After making cDNA, genes associated with Wnt signaling pathway were analyzed. qPCR gene expression profiling. Human bone marrow mesenchymal stem cells and human embryonic mesenchymal stem cells were used. X-ray irradiation (2Gy) or 0Gy was delivered. After 4 hours, equal amount total RNA from each sample was extracted prior to gene expression analysis.

2014-08-12 | E-GEOD-60310 | biostudies-arrayexpress

Gene expression profiling in synovial fluid derived stem cells (SFSCs)

Project description:To explore mRNA expression profiling in synovial fluid derived stem cells (SFSCs), gene expression analysis was performed on 3 SFSCs and 1 BMMSC. 3 synovial fluid derived stem cells and 1 bone marrow mesenchymal stem cells

2015-07-01 | E-GEOD-59642 | biostudies-arrayexpress

Evaluation of microRNA levels in recipient BMMSCs of MRL/lpr mice after cell therapy (miRNA)

2014-03-20 | GSE55971 | GEO

Evaluation of global methylation profile in recipient BMMSCs of MRL/lpr mice after cell therapy (MeDip)

2014-03-20 | GSE55970 | GEO

Evaluation of microRNA levels in recipient BMMSCs of MRL/lpr mice after cell therapy (miRNA)

Project description:Mesenchymal stem cell transplantation (MSCT) has been widely used to treat a variety of human diseases. However, the detailed mechanisms underlying its success are not fully understood. Here we show that MSCT rescues recipient bone marrow mesenchymal stem cell (BMMSC) function in Fas-deficient-MRL/lpr systemic lupus erythematosus (SLE) mice via a miR-29b/Dnmt1/Notch epigenetic cascade. Using the microRNA microarray, we found that MSCT could rescue the high level of miR-29b in the recipient BMMSCs of MRL/lpr mice. In the present study, mesenchymal stem cell transplantation (MSCT) was used to treat MRL/lpr mice. One week after the treatment, normal control MSCs from C3H/HeJ mice (C3H), recipient MSCs from untreated MRL/lpr mice (LPR) and recipient MSCs from MSCT-treated MRL/lpr mice (MSC) were used for total RNA extraction and microRNA microarray for analysis of microRNA expressions.

2014-03-20 | E-GEOD-55971 | biostudies-arrayexpress

Evaluation of global methylation profile in recipient BMMSCs of MRL/lpr mice after cell therapy (MeDip)

Project description:Mesenchymal stem cell transplantation (MSCT) has been widely used to treat a variety of human diseases. However, the detailed mechanisms underlying its success are not fully understood. Here we show that MSCT rescues recipient bone marrow mesenchymal stem cell (BMMSC) function in Fas-deficient-MRL/lpr systemic lupus erythematosus (SLE) mice via rescuing their hypomethylated DNA profile. Using the methylation microarray, we found the global hypomethylation pattern in the recipient BMMSCs of MRL/lpr mice could be rescued by MSCT. In the present study, mesenchymal stem cell transplantation (MSCT) was used to treat MRL/lpr mice. One week after the treatment, normal control MSCs from C3H/HeJ mice (C3H), recipient MSCs from untreated MRL/lpr mice (LPR) and recipient MSCs from MSCT-treated MRL/lpr mice (MSC) were used for total DNA extraction and DNA methylation microarray for analysis of global genome methylation patterns.

2014-03-20 | E-GEOD-55970 | biostudies-arrayexpress

Immediate response of hematopoietic stem cells to low doses of Î³-irradiation

Project description:Analysis of highly purified long-term hematopoietic stem cells (LT-HSCs) 2 hours after irradiation at 0Gy, 0.02Gy and 2.5Gy. Results provide insight into the molecular mechanisms underlying LT-HSCs immediate response to low doses of Î³-irradiation compared to high doses. Three samples were analyzed and correlated with the control group (0Gy).

2016-02-26 | E-GEOD-66374 | biostudies-arrayexpress

Long-term effects of low doses of Î³-irradiation on hematopoietic stem cells

Project description:Analysis of highly purified long-term hematopoietic stem cells (LT-HSCs) irradiated at 0Gy, 0.02Gy, 0.1Gy and 0.5Gy six months after transplantation. Results provide insight into the molecular mechanisms underlying multiple aspects of LT-HSCs premature ageing after low doses of Î³-irradiation (0.02Gy). Four samples were analyzed and correlated with the control group (0Gy).

2016-02-26 | E-GEOD-66375 | biostudies-arrayexpress

Citrullination of Histone H3 drives IL-6 production by bone marrow mesenchymal stem cells in MGUS and multiple myeloma

Project description:Multiple myeloma (MM), an incurable plasma cell malignancy, requires localisation within the bone marrow in order to survive and proliferate. Interactions between the malignant plasma cell and bone marrow mesenchymal stem cell (BMMSC) are thought to be a critical determinant of this requirement, and include both physical and chemical components. There is increasing evidence that the phenotype of the BMMSC is stably altered in patients with MM. More recently, it has been suggested that this phenotypic transformation is also observed in patients with the benign condition known as monoclonal gammopathy of undetermined significance (MGUS), which almost always precedes MM. In this study, we describe a mechanism by which the peptidyl arginine deiminase 2 (PADI2) enzyme plays an key role in the control of malignant plasma cell phenotype by BMMSCs. PADI enzymes deiminate (citrullinate) peptidyl arginine residues, changing the function or interactions made by the target protein. We identified PADI2 as one of the most highly upregulated transcripts in BMMSCs from both MGUS and MM patients, and that through citrullination of arginine residue 26 of histone H3, it induces the upregulation of interleukin-6 (IL-6) expression. This directly leads to the acquisition of resistance to the chemotherapeutic agent, bortezomib, by malignant plasma cells. We therefore describe a novel mechanism by which BMMSC dysfunction in patients with MGUS and MM directly leads to pro-malignancy signalling through the citrullination of histone H3R26. 30 samples, 10 from each of three categories (control, MGUS, MM)

2016-08-03 | E-GEOD-80608 | biostudies-arrayexpress

Genome-wide gene expression analysis of HL60 cells and its alpha particle-resistant derivative RA11, gamma resistant-derivative RG8, and vincristine resistant-derivative RV+ at baseline and following 8Gy gamma IR and ~2Gy alpha IR

Project description:The purpose of this study was to identify genes that were differentially expressed in radiation-sensitive, naïve HL60 cells, and the derivatives created in our laboratory as indicated in the 'sample title'. We wanted to identify genes that were differentially expressed both before and after ionizing radiation (IR) exposure, from both a single dose of gamma rays and a single dose of alpha particles, at 4h following IR exposure. The data were used to identify genes that could be driving radioresistance in each respective cell line. The four cell lines, HL60, RA11, RG8, and RV+ were all analyzed at control (0Gy) radiation dose, 8Gy gamma rays, and ~2Gy alpha particles. Samples were collected from each cell line, for each dose, 4h following radiation exposure. The samples were collected from three independent experiments from three consecutive days in cell culture.

2012-01-28 | E-GEOD-35372 | biostudies-arrayexpress

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