Transcriptiomics profiling of brown adipose tissue of adipocyte-specific Beclin1 knockout mice
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PROVIDER: PRJNA623637 | ENA |
REPOSITORIES: ENA
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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. Brown adipose tissues were collected from Prdm16 knockout and wiletype mice with 4 biological replicates per condition. Experiment was done in two separate batch for 6-week-old and 11-month-old. Extracted RNA was hybridized to Agilent two-color arrays.
2014-04-09 | E-GEOD-55080 | biostudies-arrayexpress
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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2021-07-01 | GSE176453 | GEO
Project description:Adipose mRNA profiles of wildetype and Beclin1 knockout (tamoxifen-induced Adipoq-CreER/Beclin1(floxed/floxed)) mice were generated by deep sequencing.
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Project description:We performed RNA sequencing on brown adipose tissue in wild-type and Letmd1 knockout mice to investigate the gene expression patterns in Letmd1 deficient mice.
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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.
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Project description:Various physiological stimuli, such as cold environment, diet, and hormones, trigger brown adipose tissue (BAT) to produce heat through sympathetic nervous system (SNS)- and -adrenergic receptors (ARs). The AR stimulation increases intracellular cAMP levels through heterotrimeric G proteins and adenylate cyclases, but the processes by which cAMP modulates brown adipocyte function are not fully understood. Here we described that specific ablation of cAMP production in brown adipocytes led to reduced lipolysis, mitochondrial biogenesis, uncoupling protein 1 (Ucp1) expression, and consequently defective adaptive thermogenesis. Elevated cAMP signaling by sympathetic activation inhibited Salt-inducible kinase 2 (Sik2) through protein kinase A (PKA)-mediated phosphorylation in brown adipose tissue. Inhibition of SIKs enhanced Ucp1 expression in differentiated brown adipocytes and Sik2 knockout mice exhibited enhanced adaptive thermogenesis at thermoneutrality in an Ucp1-dependent manner. Taken together, our data indicate that suppressing Sik2 by PKA-mediated phosphorylation is a requisite for SNS-induced Ucp1 expression and adaptive thermogenesis in BAT, and targeting Sik2 may present a novel therapeutic strategy to ramp up BAT thermogenic activity in humans.
2018-07-12 | PXD009262 | Pride
Project description:Brown adipose tissue (BAT) plays an essential role in metabolic homeostasis by dissipating energy via thermogenesis through uncoupling protein 1 (Ucp1). Previously, we reported that the TATA-binding protein Associated Factor 7L (Taf7l) is an important regulator of white adipose tissue (WAT) differentiation. Here, we show that Taf7l also serves as a molecular switch between brown fat and muscle lineages in vivo and in vitro. In adipose tissue, Taf7l containing TFIID complexes associate with PPAR to mediate DNA looping between distal enhancers and core promoter elements. Our findings suggest that presence of the tissue-specific Taf7l subunit in TFIID functions to promote long-range chromatin interactions during BAT lineage specification. mRNA-seq expression profiling wild type and Taf7l knockout interscapular brown adipose tissue (BAT)
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Project description:Gene expression profiles of PGAM5-knockout brown adipose tissue
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