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Expression data from white and brown adipose tissue (WAT and BAT) of per2-/- and control mice

ABSTRACT: We found that the circadian protein PER2 interacts with the nuclear receptor PPARgamma to repress its activity. PPARgamma is a master regulator of adipogenesis and lipid metabolism and is very abundant in adipose tissue. We used microarrays to detail the global program of gene expression in adipose tissue lacking the per2 gene. This analysis identified several PPARgamma target genes up-regulated in adipose tissue from per2-/- mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE20165 | GEO | 2010/10/19

SECONDARY ACCESSION(S): PRJNA125627

REPOSITORIES: GEO

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Expression data from white and brown adipose tissue (WAT and BAT) of per2-/- and control mice

Project description:We found that the circadian protein PER2 interacts with the nuclear receptor PPARgamma to repress its activity. PPARgamma is a master regulator of adipogenesis and lipid metabolism and is very abundant in adipose tissue. We used microarrays to detail the global program of gene expression in adipose tissue lacking the per2 gene. This analysis identified several PPARgamma target genes up-regulated in adipose tissue from per2-/- mice. Per2-/- and per2+/+ male mice (Bae et al., 2001) were housed under 12 hr light/12 hr dark (LD) cycles. Mice 20 weeks old were sacrificed at the same time and adipose tissue (WAT and BAT) was collected for RNA extraction. 3 biological replicates per mouse/tissue.

2010-10-19 | E-GEOD-20165 | biostudies-arrayexpress

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Project description:Secreted proteins from adipose tissue play a role in metabolic cross-talk and homeostasis. We performed high sensitivity mass spectrometry-based proteomics on the cell media of human adipocytes derived from the supraclavicular brown adipose and from the subcutaneous white adipose depots of adult humans. We identified 471 potentially secreted proteins covering interesting protein categories such as hormones, growth factors, extracellular matrix proteins and proteins of the complement system, which were differentially regulated in brown and white adipocytes. A total of 101 proteins were exclusively quantified in brown adipocytes and among these were ependymin-related protein 1 (EPDR1). Functional studies suggested a role for EPDR1 in thermogenic adipogenesis. In conclusion, we report substantial differences between the secretomes of brown and white human adipocytes and identify novel candidate batokines that can be important regulators of metabolism.

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Expression data from exposure of BAT and WAT at 6 and 28 degrees C

Project description:We run microarrays from three per group Sv129 female mice, ten weeks old, which were maintained at 28M-BM-0C (warm conditions) or 6M-BM-0 C (cold stimulated) for ten days, while standard animal house temperature is 22 M-BM-0C. After ten days, three types of tissue were collected: Brown Adipose Tissue (BAT), Mesenteric (visceral) White Adipose Tissue (MES) and Posterior Subcutaneous White Adipose Tissue (WAT) Different adipose tissue depots were taken for RNA extraction and hybridization on Affymetrix microarrays. We sought to determine the differences between white and brown adipose tissues at different temperatures

2014-03-01 | E-GEOD-51080 | biostudies-arrayexpress

Expression data from exposure of BAT and WAT at 6 and 28 degrees C

Project description:We run microarrays from three per group Sv129 female mice, ten weeks old, which were maintained at 28°C (warm conditions) or 6° C (cold stimulated) for ten days, while standard animal house temperature is 22 °C. After ten days, three types of tissue were collected: Brown Adipose Tissue (BAT), Mesenteric (visceral) White Adipose Tissue (MES) and Posterior Subcutaneous White Adipose Tissue (WAT)

2014-03-01 | GSE51080 | GEO

LR11 knockout in BAT and WAT

Project description:To study the gene expression profiles of brown (BAT) and white (WAT) adipose tissues in wild type and LR11-deficeint mice.

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LR11 knockout in BAT and WAT

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Project description:The aim of this study was to identify genes expressed selectively in brown adipose tissue as compared to white adipose tissue from the same animals. This analysis provides a gene set that is brown and white adipose selective. Keywords: tissue comparison from mice

2007-06-08 | GSE8044 | GEO

Brown and white adipocyte differentiation

Project description:Attainment of a brown adipocyte cell phenotype in white adipocytes, with their abundant mitochondria and increased energy expenditure potential, is a legitimate strategy for combating obesity. The unique transcriptional regulators of the primary brown adipocyte phenotype are unknown, limiting our ability to promote brown adipogenesis over white. In the present work, we used microarray analysis strategies to study primary preadipocytes, and we made the striking discovery that brown preadipocytes demonstrate a myogenic transcriptional signature, whereas both brown and white primary preadipocytes demonstrate signatures distinct from those found in immortalized adipogenic models. We found a plausible SIRT1-related transcriptional signature during brown adipocyte differentiation that may contribute to silencing the myogenic signature. In contrast to brown preadipocytes or skeletal muscle cells, white preadipocytes express Tcf21, a transcription factor that has been shown to suppress myogenesis and nuclear receptor activity. In addition, we identified a number of developmental genes that are differentially expressed between brown and white preadipocytes and that have recently been implicated in human obesity. The interlinkage between the myocyte and the brown preadipocyte confirms the distinct origin for brown versus white adipose tissue and also represents a plausible explanation as to why brown adipocytes ultimately specialize in lipid catabolism rather than storage, much like oxidative skeletal muscle tissue. Keywords: In vitro differentiation

2007-05-31 | GSE7032 | GEO

Gene profiles in inguinal white adipose tissue in Hsp20 knockout mice

Project description:To investigate the function of HSP20 in adipogenesis and thermogenesis of white adipose tissue.

2019-01-31 | GSE94436 | GEO

Next generation sequencing analysis of microRNAs in brown preadipocytes and in vitro differentiated mature brown fat cells

Project description:We performed a genome-wide deep sequencing analysis of the microRNAs abundant in mesenchymal stem cells (MSCs) derived from murine brown adipose tissue and in in vitro differentiated mature brown adipocytes. Several microRNAs were identified as differentially regulated when comparing datasets from MSCs vs. mature fat cells. These microRNAs may have an implication in the regulation of adipogenesis as well as thermogenesis in brown adipose tissue (BAT).

2013-05-28 | GSE45499 | GEO

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