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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Immortalized clonal brown, beige and white adipose cell lines

ABSTRACT: Brown fat generates heat via the mitochondrial uncoupling protein UCP1, defending against hypothermia and obesity. Recent data suggest that there are two distinct types of brown fat: classical brown fat derived from a myf-5 cellular lineage and UCP1-positive cells that emerge in white fat from a non-myf-5 lineage. Here, we report the isolation of “beige” cells from murine white fat depots. Microarray analysis of the differentiated clonal inguinal and interscapular adipocytes in the presence of forskolin (10mM). These samples were profiled using Affymetrix mouse 430 2.0 arrays, 26 samples in total.

ORGANISM(S): Mus musculus

SUBMITTER: jun wu

PROVIDER: E-GEOD-39562 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Beige adipocytes are a distinct type of thermogenic fat cell in mouse and human.

Wu Jun J Boström Pontus P Sparks Lauren M LM Ye Li L Choi Jang Hyun JH Giang An-Hoa AH Khandekar Melin M Virtanen Kirsi A KA Nuutila Pirjo P Schaart Gert G Huang Kexin K Tu Hua H van Marken Lichtenbelt Wouter D WD Hoeks Joris J Enerbäck Sven S Schrauwen Patrick P Spiegelman Bruce M BM

Cell 20120712 2

Brown fat generates heat via the mitochondrial uncoupling protein UCP1, defending against hypothermia and obesity. Recent data suggest that there are two distinct types of brown fat: classical brown fat derived from a myf-5 cellular lineage and UCP1-positive cells that emerge in white fat from a non-myf-5 lineage. Here, we report the isolation of "beige" cells from murine white fat depots. Beige cells resemble white fat cells in having extremely low basal expression of UCP1, but, like classical ...[more]

PMID: 22796012

Similar Datasets

Immortalized clonal brown, beige and white adipose cell lines

Project description:Brown fat generates heat via the mitochondrial uncoupling protein UCP1, defending against hypothermia and obesity. Recent data suggest that there are two distinct types of brown fat: classical brown fat derived from a myf-5 cellular lineage and UCP1-positive cells that emerge in white fat from a non-myf-5 lineage. Here, we report the isolation of “beige” cells from murine white fat depots.

2012-07-24 | GSE39562 | GEO

RNA-seq comparison of primary mouse classical brown, beige, and white adipocytes

Project description:Classical brown adipocytes in interscapular BAT (Myf-5 derived) and inducible beige cells in WAT (non-Myf-5 derived) have distinct developmental origins, although both cell types have morphological and biochemical characteristics of brown fat such as the expression of UCP1. This raises an important question as to how similar the two types of brown adipocytes are at molecular and functional levels. To this end, we employed RNA-seq to systematically determine the transcriptional signatures unique to each cell type.

2015-03-16 | E-MTAB-2624 | biostudies-arrayexpress

Expression data from C2C12 myoblasts transduced with PRDM16 or vector

Project description:PRDM16 is a 140 kDa transcriptional coregulatory protein. PRDM16 has been shown to function as a bi-directional switch in brown fat cell fate by stimulating the development of brown fat cells from myf-5 positive myoblastic precursors. We used microarrays to detail the global programme of gene expression underlying the myoblasts-brown fat conversion induced by PRDM16. undifferentiated C2C12 myoblasts were stably expressed with retroviral PRDM16 or vector control. Total RNAs were isolated by Trizol, and subjected to Affymetrix microarrays.

2010-03-03 | E-GEOD-15895 | biostudies-arrayexpress

RNA-Sequencing of wild type and UCP1-null beige adipose tissue

Project description:Since brown adipose tissue (BAT) dissipates energy through UCP1, BAT has garnered attention as a therapeutic intervention for obesity and metabolic diseases including type 2 diabetes. As we better understand the roles of classical brown and beige adipocytes, increased beige fat mass in response to a variety of external/internal cues is associated with significant improvements in glucose and lipid homeostasis that may not be entirely mediated by UCP1. We aim to analyze transcriptome of wild type and UCP1-null beige adipocyte to identify the UCP1-independent function.

2017-10-28 | E-MTAB-4085 | biostudies-arrayexpress

PPARg agonists induce a white-to-brown fat conversion through stabilization of PRDM16 protein

Project description:Brown adipose tissue dissipates energy through heat and functions as a defense against cold and obesity. PPARγ ligands have been shown to induce the browning of white adipocytes; however, the underlying mechanisms remain unclear. Here we show that PPARγ ligands require full agonism to induce a brown fat gene program preferentially in subcutaneous white adipose. These effects require expression of PRDM16, a factor that controls the development of classical brown fat. Depletion of PRDM16 blunts the effects of the PPARγ agonist rosiglitazone on the induced brown fat gene program. Conversely, PRDM16 and rosiglitazone synergistically activate the brown fat gene program in vivo. This synergy is tightly associated with an increased accumulation of PRDM16 protein, due in large measure to an increase in the half-life of the protein in agonist treated cells. Identifying compounds that stabilize PRDM16 protein may represent a novel therapeutic pathway for the treatment of obesity and diabetes. Microarray analysis of the differentiated inguinal adipocytes expressing sh-scr or sh-PRDM16 in the presence or absence of rosiglitazone (1uM). These samples were profiled using Affymetrix mouse 430A_2 arrays, representing 2 biological replicates for each samples (8 samples in total).

2012-03-06 | E-GEOD-35011 | biostudies-arrayexpress

Impact of UCP1 and FGF21 for the development of diet-induced obesity at standard housing temperatures

Project description:Global RNA sequencing analysis of brown fat (BAT), inguinal white fat (iWAT), liver and muscle (quadriceps) of high-fat diet fed WT, FGF21 KO, UCP1 KO and UCP1/FGF21 double KO mice.

2019-11-05 | GSE122167 | GEO

TZD-induced beige fat activation

Project description:Beige fat cells dissipate energy through mitochondrial uncoupling protein UCP1 defending against obesity and can be activated by thermogenic stimuli in white adipose tissue. Here, we provide candidate molecules involved in beige fat activation induced the TZD, rosiglitazone.

2016-10-03 | GSE79031 | GEO

Loss of the tumor suppressor gene AIP mediates the browning of human brown fat tumors

Project description:Human brown fat tumors (hibernomas) display concomitant loss of the tumor suppressor genes MEN1 and AIP. In the present study, we hypothesized that the brown fat phenotype is attributed to these mutations. Accordingly, we demonstrate that silencing of AIP in human brown preadipocytic and white fat cell lines results in the induction of the brown fat marker UCP1. In human adipocytic tumors, loss of MEN1 was found both in white (one out of 51 lipomas) and brown fat tumors. In contrast, concurrent loss of AIP was always accompanied by a brown fat morphology. We conclude that this white-to-brown phenotype switch in brown fat tumors is mediated by the loss of AIP.

2017-08-10 | GSE61093 | GEO

Human brown and white preadipocyes clonal dynamics predict themorgenic potential and function

Project description:Brown adipose tissue (BAT) holds therapeutic potential for obesity and metabolic syndrome via increasing energy expenditure. Both inter- and intra-individual differences contribute to heterogeneity in human BAT and potentially to differential thermogenic capacity in human populations. Here, we demonstrated the generation of brown and white preadipocyte clones from human neck fat and characterized their adipogenic differentiation and thermogenic function. Combining a UCP1 reporter system and gene expression profiling, we defined novel sets of gene signatures in human preadipocytes that could predict the thermogenic potential of mature adipocytes. Knocking out the positive UCP1 regulators, PREX1 and EDNRB, in brown preadipocytes by CRISPRs markedly abolished the high level of UCP1 in mature brown adipocytes. Finally, we showed the ability to prospectively isolate adipose progenitors with great thermogenic potential. These data provide new insights into the cellular heterogeneity in human fat and offer clinically relevant gene targets that mark thermogenically competent preadipocytes. Highly adipogenic clonal white and brown cell lines

2015-06-15 | E-GEOD-68544 | biostudies-arrayexpress

Ebf2 is a selective marker of brown and beige adipogenic precursor cells (Microarray)

Project description:Brown adipocytes, muscle and dorsal dermis descend from precursor cells in the dermomyotome, but the factors that regulate commitment to the brown adipose lineage are unknown. Here, we prospectively isolated and determined the molecular profile of embryonic brown preadipose cells. Brown adipogenic precursor activity in embryos was confined to Pdgfrα+, Myf5Cre-lineage-marked cells. RNAseq analysis identified Early B Cell Factor-2 (Ebf2) as one of the most selectively expressed genes in this cell fraction. Importantly, Ebf2-expressing cells purified from Ebf2-GFP embryos or brown fat tissue did not express myoblast or dermal cell markers and uniformly differentiated into brown adipocytes. Interestingly, Ebf2-expressing cells from white fat tissue in adult animals differentiated into brown-like (or beige) adipocytes. Loss of Ebf2 in brown preadipose cells reduced the expression levels of brown preadipose-signature genes, whereas ectopic Ebf2-expression in myoblasts activated brown preadipose-specific genes. Altogether, these results indicate that Ebf2 specifically marks and regulates the molecular profile of brown preadipose cells.

2014-09-16 | GSE60442 | GEO

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