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Gene expression analysis of directly converted brown adipocytes (dBAs). [human]

ABSTRACT: Comparasion of each cell mRNA expression pattern Human fibroblasts were directly converted into brown adipocytes (dBAs) by transducing some transcription factors. To characterize the dBAs more in detail, RNA extracted from the human WAs, human dBAs, and human iPS-derived brown adipocytes (iBAs) were subjected to DNA microarray analysis, and global gene expression profiles of the cells were compared.

ORGANISM(S): Homo sapiens

PROVIDER: GSE56633 | GEO | 2015/08/12

SECONDARY ACCESSION(S): PRJNA244125

REPOSITORIES: GEO

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Gene expression analysis of directly converted brown adipocytes (dBAs). [human]

Project description:Comparasion of each cell mRNA expression pattern Human fibroblasts were directly converted into brown adipocytes (dBAs) by transducing some transcription factors. To characterize the dBAs more in detail, RNA extracted from the human WAs, human dBAs, and human iPS-derived brown adipocytes (iBAs) were subjected to DNA microarray analysis, and global gene expression profiles of the cells were compared. 6 samples

2015-08-12 | E-GEOD-56633 | biostudies-arrayexpress

Gene expression analysis of directly converted brown adipocytes (dBAs). [mouse]

Project description:Comparasion of each cell mRNA expression pattern Mouse fibroblasts were directly converted into brown adipocytes (dBAs) by transducing some transcription factors. To characterize the dBAs more in detail, RNA extracted from the mouse brown adipose tissue, mouse dBAs, and mouse iPS-derived brown adipocytes (iBAs) were subjected to DNA microarray analysis, and global gene expression profiles of the cells were compared.

2015-08-12 | GSE56634 | GEO

Gene expression analysis of directly converted brown adipocytes (dBAs). [mouse]

2015-08-12 | E-GEOD-56634 | biostudies-arrayexpress

Comparative secretome analysis of primary murine white and brown adipocytes

Project description:The adipose organ, including white and brown adipose tissues, is an important player in systemic energy homeostasis, storing excess energy in form of lipids while releasing energy upon various energy demands. Recent studies have demonstrated that white and brown adipocytes also function as endocrine cells and regulate systemic metabolism by secreting factors that act locally and systemically. However, a comparative proteomic analysis of secreted factors from white and brown adipocytes and their responsiveness to adrenergic stimulation has not been reported yet. Therefore, we studied and compared the secretome of white and brown adipocytes, with and without norepinephrine (NE) stimulation. Our results reveal that in the absence of NE, carbohydrate metabolism-regulating proteins are preferably secreted from white adipocytes, while brown adipocytes predominantly secrete integrin signaling proteins. Upon NE stimulation, white adipocytes secrete more proteins involved in lipid metabolism, while brown adipocytes secrete more proteins with specific anti-inflammatory properties. In conclusion, our study provides a comprehensive catalogue of novel adipokine candidates secreted from white and brown adipocytes with many of them responsive to NE.

2018-09-04 | PXD009280 | Pride

Expression Data from Bone Marrow Progenitor-Derived Adipocytes, White Adipocytes and Brown Adipocytes.

Project description:We have identified a population of adipocytes in fat tissue that arise from bone marrow-derived progenitor cells. We used microarrays to compare the global gene expression patterns of the bone marrow progenitor-derived adipocytes as well as conventional white and brown adipocytes to evaluate the relationship between these adipocyte subpopulations. Gonadal fat tissue (for white adipocytes) and intrascapular fat tissue (for brown adipocytes) was digested with collagenase and adipocytes were recovered by centrifugation/flotation. Bone marrow derived adipocytes were isolated from the adipocyte fraction of gonadal fat tissue from mice receiving bone marrow tranplants from donors expressing either green fluorescent protein (GFP) or beta-galactosidase (LacZ) by flow cytometry.

2010-01-08 | E-GEOD-19757 | biostudies-arrayexpress

Apoptotic brown adipocytes enhance energy expenditure via SLC29A1-regulated extracellular inosine

Project description:Brown adipose tissue (BAT) dissipates energy and promotes cardio-metabolic health4. However, loss of BAT during obesity and aging is a principal hurdle for BAT-centered obesity therapies. So far not much is known about BAT apoptosis and signals released by apoptotic brown adipocytes. Here, untargeted metabolomics demonstrated that apoptotic brown adipocytes release a specific pattern of metabolites with purine metabolites being highly enriched. Interestingly, this apoptotic secretome enhances expression of the thermogenic program in healthy adipocytes to maintain tissue functionality. This effect is mediated by the purine inosine which stimulates energy expenditure (EE) in brown adipocytes. Phosphoproteomic analysis demonstrated activation of the cAMP/protein kinase A signaling pathway and of pro-thermogenic transcription factors by inosine.

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Expression Data from Bone Marrow Progenitor-Derived Adipocytes, White Adipocytes and Brown Adipocytes.

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Beta-adrenergically stimulated RNA expression in Syk deficient brown adipocytes

Project description:Cre recombinase activity was induced in differentiating brown adipocytes from CreERT2 Sykflox/flox mice in vitro, which resulted in a partial loss of Syk protein in mature brown adipocytes. Such cells were viable, morphologically normal and displayed largely normal gene expression as indicated by mRNA sequencing and qPCR analysis, suggesting that Syk is not required for survival and gene expression of terminally differentiated brown adipocytes. mRNA sequencing of Syk depleted brown adipocytes treated with 0.1 microM isoproterenol for 6 h showed that 2460 genes were not induced or suppressed upon stimulation. Gene set enrichment analysis revealed a great enrichment for genes essential for mitochondrial respiration and biogenesis, for genes associated with and required for adipogenesis, as well as for genes responsive to various stimuli in adipocytes among genes highly ranked by reduced fold changes in response to isoproterenol in the Syk deficient brown adipocytes.

2017-12-09 | GSE91081 | GEO

miRNA expression during differentiation of white and brown adipocytes

Project description:miRNA array of a timecourse of 3T3-L1 differentiating into white adipocytes and C3H10T1/2 into brown adipocytes

2016-12-31 | GSE75697 | GEO

Gene expression data of brown-like adipocytes from Lgr4 homozygous mutant SVF

Project description:Obesity has become a global health problem. Brown adipose tissue (BAT), specialized for energy expenditure through thermogenesis, potently counteracts obesity. Recently, BAT is also identified in human adults. We found that Lgr4 homozygous mutant (Lgr4m/m) mice display reduced adiposity and exhibit brown-like adipocytes in their WAT depots with higher expression of uncoupling protein 1 (Ucp1). Furthermore, Lgr4 ablation potentiates brown adipocyte differentiation from stromal vascular fraction (SVF) of epididymal WAT (eWAT) in vitro. We used microarrays to emxamine the gene expression profiles of the brown-like adipocytes differentiated from SVF of wild-type and Lgr4 mutant mice. We identified distinct gene expression profiles of these two groups. To demonstrate Lgr4 ablation can potentiate the differentiation of SVF from eWAT toward brown-like adipocytes in vitro, we isolated SVF from epididymal white adipose tissue (eWAT) of wild-type (WT) and Lgr4 mutant mice. We then plated SVF cells in 12-well plate, and differentiated them to brown adipocytes, followed by RNA extraction and hybridization with Affymetrix microarrays.

2013-11-07 | E-GEOD-47760 | biostudies-arrayexpress

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