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Vector and Brown fat lncRNA 1 (Blnc1) expressing differentiated brown adipocytes

ABSTRACT: Blnc1 is a novel nuclear lncRNA that promotes brown and beige adipocyte differentiation and function. Blnc1 forms a ribonucleoprotein complex with transcription factor EBF2 to stimulate the thermogenic gene program. Further, Blnc1 itself is a target of EBF2, thereby forming a feedforward regulatory loop to drive adipogenesis toward thermogenic phenotype. We used microarrays to elucidate the role of Blnc1 on brown adipocyte differentiation and the induction of the thermogenic gene program.

ORGANISM(S): Mus musculus

PROVIDER: GSE55551 | GEO | 2015/02/28

SECONDARY ACCESSION(S): PRJNA239993

REPOSITORIES: GEO

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Vector and Brown fat lncRNA 1 (Blnc1) expressing differentiated brown adipocytes

Project description:Blnc1 is a novel nuclear lncRNA that promotes brown and beige adipocyte differentiation and function. Blnc1 forms a ribonucleoprotein complex with transcription factor EBF2 to stimulate the thermogenic gene program. Further, Blnc1 itself is a target of EBF2, thereby forming a feedforward regulatory loop to drive adipogenesis toward thermogenic phenotype. We used microarrays to elucidate the role of Blnc1 on brown adipocyte differentiation and the induction of the thermogenic gene program. Brown adipocytes expressing vector or brown fat lncRNA 1 (blnc1) were differentiated for 6 days and harvested for RNA isolation and microarray using Affymetrix Mouse MG-430 PM Strip arrays. Two replicated samples were included in this study.

2015-02-28 | E-GEOD-55551 | biostudies-arrayexpress

Scramble and Brown fat lncRNA 1 knockdown (shBlnc1) expressing differentiated brown adipocyte

2015-02-28 | GSE57540 | GEO

Scramble and Brown fat lncRNA 1 knockdown (shBlnc1) expressing differentiated brown adipocyte

Project description:Blnc1 is a novel nuclear lncRNA that promotes brown and beige adipocyte differentiation and function. Blnc1 forms a ribonucleoprotein complex with transcription factor EBF2 to stimulate the thermogenic gene program. Further, Blnc1 itself is a target of EBF2, thereby forming a feedforward regulatory loop to drive adipogenesis toward thermogenic phenotype. We used microarrays to elucidate the role of Blnc1 on brown adipocyte differentiation and mitochondrial function. Brown adipocytes expressing Scramble or brown fat lncRNA 1 knockdown (shBlnc1) were differentiated for 6 days and harvested for RNA isolation and microarray using Affymetrix Mouse MG-430 PM Strip arrays. Two replicated samples were included in this study.

2015-02-28 | E-GEOD-57540 | biostudies-arrayexpress

LncRNAs expression profiling in adipose tissues and during brown adipocyte differentiation

Project description:Brown and beige fats generate heat via uncoupled respiration to defend against cold, mechanistically, through the action of a network of transcription factors and cofactors. Here we globally profiled long noncoding RNAs (lncRNAs) gene expression during thermogenic adipocyte formation and identified Brown fat lncRNA 1 (Blnc1) as a novel nuclear lncRNA that promotes brown and beige adipocyte differentiation and function by forming a feedforward regulatory loop with EBF2 to drive adipogenesis toward thermogenic phenotype. LncRNAs expression were measured in BAT and WAT from mice injected saline/CL and during brown adipocyte differentiation with two replicates using Arraystar Mouse LncRNA microarray V2.0

2015-02-28 | E-GEOD-57643 | biostudies-arrayexpress

LncRNAs expression profiling in adipose tissues and during brown adipocyte differentiation

2015-02-28 | GSE57643 | GEO

Wild type and Zbtb7b knockout mouse brown adipose tissue

Project description:Zbtb7b is a zinc finger and BTB domain containing transcription factor that activates the thermogenic gene program during brown and beige adipocyte differentiation. Zbtb7b interacts with the long noncoding RNA Blnc1 and hnRNPU to form a ribonucleoprotein transcriptional complex We used microarray to determine how Zbtb7b regulates brown fat gene expression at ambient room temperature and following cold exposure

2018-02-15 | GSE100924 | GEO

ZFP423 Controls EBF2 Co-activator Recruitment and PPARgamma Occupancy to Determine the Thermogenic Plasticity of Adipocytes_ChIP-seq

Project description:Energy-storing white adipocytes maintain their identity by suppressing the gene program defining energy-burning thermogenic brown/beige adipocytes. Here, we reveal that the protein-protein interaction between the transcriptional co-regulator ZFP423 and brown/beige cell determination factor, EBF2, is essential for restraining the thermogenic phenotype of white adipose tissue (WAT). Disruption of the ZFP423-EBF2 protein interaction through CRISPR-Cas9 gene editing triggers widespread “browning” of WAT in adult mice. Mechanistically, adipocyte Zfp423 deficiency induces an EBF2 NuRD-to-BAF co-regulator switch and a shift in PPARgamma occupancy to thermogenic genes. This shift in PPARgamma occupancy increases the anti-diabetic efficacy of the PPARgamma agonist rosiglitazone in obesity while diminishing the unwanted weight-gaining effect of the drug. These data indicate that ZFP423 controls EBF2 co-activator recruitment and PPARgamma occupancy to determine the thermogenic plasticity of adipocytes and raise the concept of targeting transcriptional brakes in adipocyte gene expression as a therapeutic strategy to induce thermogenic adipocyte biogenesis in obesity.

2022-05-01 | GSE175654 | GEO

ZFP423 Controls EBF2 Co-activator Recruitment and PPARgamma Occupancy to Determine the Thermogenic Plasticity of Adipocytes_ChAP-seq

2022-05-01 | GSE175653 | GEO

Atlas of Brown Adipose Tissue

Project description:Heterogeneity in brown adipocyte populations was observed. Until recently, thermogenic adipocytes have been considered a homogeneous population. However, studies have pointed to the existence of multiple subtypes, which are distinct in developmental origin, substrate usage and transcriptome. Our current incomplete understanding of cell types in brown and beige adipose tissue and the lack of specific markers constitute a critical barrier to studying their biological functions. Our goal is to use the advances in single-cell genomics to determine subtypes that constitute adipose tissue under various thermogenic stimuli at the single cell resolution.

2020-02-04 | GSE144720 | GEO

Prdm16 Knockout Brown Adipose Tissue

Project description:Gene expression profile from brown adipose tissues of Prdm16 knockout and wile type mice. Prdm16 is a transcription factor that regulates the thermogenic gene program in brown and beige adipocytes. However, whether Prdm16 is required for the development or physiological function of brown adipose tissue (BAT) in vivo has been unclear. By analyzing mice that selectively lacked Prdm16 in the brown adipose lineage, we found that Prdm16 was dispensable for embryonic BAT development.

2014-04-09 | GSE55080 | GEO

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