Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA208205 | ENA |
REPOSITORIES: ENA
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Project description:Dedifferentiated fat (DFAT) cells, established in vitro from mature adipocytes, exhibit properties of multipotent mesenchymal stem/stromal cells (MSCs), such as the ability to differentiate into multiple mesenchymal lineages. Although DFAT cells exhibit certain properties of proliferative progeny, at present there is only limited knowledge about their characteristics as MSCs because those cells are considered to be potential artifacts of cell culture. To elucidate the identity of DFAT cells, we compared gene expression profiles of human DFAT cells and adipose-derived stem/stromal cells (ADSCs) established using adipose tissue from the same donors. Microarray analysis showed that the global RNA expression profiles of human DFAT cells were very similar to those of ADSCs, a representative MSC, despite being committed adipocyte progenitors. Subcutaneous adipose tissues that were obtained during surgical operation for non-malignant disease were donated by 3 patients after obtaining informed consent. Three sets of DFAT cells and ADSCs, each derived from adipose tissue from the same donor were used for RNA extraction and subsequent microarray analysis.
2013-06-12 | E-GEOD-47869 | biostudies-arrayexpress
Project description:Adipose tissue harbours a significant number of multipotent adult stem cells of mesenchymal origin known as adipose-derived stem cells (ADSCs). Broad differentiation potential and convenient accessibility of ADSCs make them an attractive source of adult mesenchymal stem cell for regenerative medicine and cell developmental plasticity research. Genome-wide microarray expression profiling was performed to identify genes deregulated during osteogenic differentiation of ADSCs to evaluate developmental plasticity of these cells. Dynamics of epigenetic modifications were analyzed in parallel and associated with the gene expression profile. Gene expression profile was analyzed in adipose-derived stem cells (ADSCs) differentiated into osteogenic lineage from 3 donors and compared to undifferentiated cells from the same donors.
2015-01-11 | E-GEOD-63754 | biostudies-arrayexpress
Project description:Dedifferentiated fat (DFAT) cells, established in vitro from mature adipocytes, exhibit certain properties of multipotent mesenchymal stem/stromal cells (MSCs), such as the ability to differentiate into multiple mesenchymal lineages. Although DFAT cells exhibit properties of proliferative progeny, at present there is only limited knowledge about their MSC-specific characteristics because those cells are considered to be potential artifacts of cell culture. To elucidate the identity of DFAT cells, we compared gene expression profiles of human DFAT cells and adipose-derived stem/stromal cells (ADSCs) established using adipose tissue from the same donors. Microarray analysis showed that global mRNA expression profiles of human DFAT cells were very similar to those of ADSCs, a representative MSC, despite being committed adipocyte progenitors.
2013-06-12 | GSE47869 | GEO
Project description:In the current investigation, a comprehensive analysis using high-throughput RNA sequencing (RNA-seq) was carried out on ADSCs obtained from donors of varying ages. 678 genes showed differential expression between ADSCs obtained from young and old donors (Y-ADSCs and O-ADSCs), with 47 of these genes being TFs. The findings indicated that 316 genes exhibited decreased expression levels, while 362 genes displayed increased expression levels in O-ADSCs in comparison to Y-ADSCs. Subsequent analyses using GO and KEGG were performed to further elucidate the roles of the identified differentially expressed genes. The GO analysis revealed that these genes are predominantly localized in the plasma membrane and extracellular region, serving as constituents of the extracellular matrix and participating in protein binding. Additionally, they are implicated in processes related to cell adhesion and signal transduction pathways. KEGG analysis indicated enrichment in pathways such as neuroactive ligand-receptor interaction, calcium signaling, pathways in cancer, ErbB signaling, and cell adhesion molecules.
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Project description:To identify the key microRNAs (miRNAs) of hMSCs required for fate determination, miRNA profiling was performed with hMSCs from three different sources including adipose-derived stem cells (ADSCs), bone-marrow-derived stem cells (BMSCs), and umbilical cord-derived stem cells (UCSCs) versus fibroblasts, a more differentiated mesenchymal cell types. We compared the expression profiles of two different donors per hMSCs to that of fibroblasts. All hMSCs were used for profiling at passage 3-6.
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Project description:Comparison of whole genome gene expression profiles of stem cells from exfoliated decidous teeth (SHEDs) ,Hepatocyte like-cells derived SHEDs (SHED-Hep cells), and human primary hepatocytes. We showed that the profile of three different donors of MSC-Hep cells was close to that of human hepatocytes, but separate from that of three different donors of undifferentiated MSCs
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