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Mus musculus

ABSTRACT: Brown fat-specific YY1 deficiency effect on subcutaneous white adipose tissue

OTHER RELATED OMICS DATASETS IN: E-GEOD-70562E-GEOD-68382E-GEOD-68429

PROVIDER: PRJNA289018 | ENA |

REPOSITORIES: ENA

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E-GEOD-70562

Project description:Brown fat-specific YY1 deficiency effect on subcutaneous white adipose tissue

2016-01-08 | E-GEOD-70562 | ExpressionAtlas

Brown Adipose YY1 Deficiency Activates Expression of Secreted Proteins Linked to Energy Expenditure and Prevents Diet-Induced Obesity [BAT]

Project description:Analysis of brown adipose tissue from Yin Yang 1 (YY1) brown fat specific knockout mice fed a high fat diet for 3 months. YY1 deficiency in brown adipose tissue leads to strong thermogenic deficiency. The goal was to identify the genes controlled by YY1 responsible of brown fat defective function. Control mice YY1flox/flox versus YY1flox/flox; Ucp1Cre were fed a high fat diet for 3 months

2015-11-10 | E-GEOD-68429 | biostudies-arrayexpress

Brown Adipose YY1 Deficiency Activates Expression of Secreted Proteins Linked to Energy Expenditure and Prevents Diet-Induced Obesity [BAT]

2015-11-10 | GSE68429 | GEO

Brown Adipose YY1 Deficiency Activates Expression of Secreted Proteins Linked to Energy Expenditure and Prevents Diet-Induced Obesity [IWAT]

Project description:Analysis of subcutaneous adipose tissue (IWAT) from Yin Yang 1 brown fat specific knockout mice fed a high fat diet for 2 weeks. The goal was to identify a gene signature of IWAT browning in YY1 mutant mice.

2015-11-10 | GSE68382 | GEO

Brown Adipose YY1 Deficiency Activates Expression of Secreted Proteins Linked to Energy Expenditure and Prevents Diet-Induced Obesity [IWAT]

2015-11-10 | E-GEOD-68382 | biostudies-arrayexpress

Steap4 controls adipocyte thermogenesis and energy expenditure by modulating mitochondrial function

Project description:Steap4, a highly expressed protein in adipose tissue, has been implicated in metabolic homeostasis. In this study, we generated adipocyte-specific Steap4-deficient mice and observed that Steap4 deficiency led to increased fat mass and severe insulin resistance in a high-fat diet model. Mass spectrometry analysis revealed two classes of Steap4 interactomes: mitochondrial proteins and proteins involved in spliceosome. RNA-seq analysis of white adipose tissue demonstrated that Steap4 deficiency altered RNA splicing patterns with enriched functions in mitochondria. While interactome and transcriptome data implicate a role of Steap4 in mitochondria, Steap4 deficiency indeed impaired mitochondrial respiratory chain complex activity resulting in mitochondrial dysfunction in white adipose tissue. Consistently, brown adipocyte-specific Steap4-deficient mice also showed impaired mitochondrial function, increased whitening of brown adipose tissue, reduced energy expenditure, and exacerbated insulin resistance under HFD conditions. Overall, our findings elucidate the critical role of Steap4 in regulating adipocyte thermogenesis and energy expenditure by modulating mitochondrial function.

2025-02-03 | PXD046997 | Pride

Transgenic expression of BEN, a member of TFII-I family, in various murine adipose tissues

Project description:The white adipose organ is composed of both subcutaneous and several intra-abdominal depots. Excess abdominal adiposity is a major risk factor for metabolic disease in rodents and humans, while expansion of subcutaneous fat does not carry the same risks. Brown adipose produces heat as a defense against hypothermia and obesity, and the appearance of brown-like adipocytes within white adipose tissue depots is associated with improved metabolic phenotypes. Thus, understanding the differences in cell biology and function of these different adipose cell types and depots may be critical to the development of new therapies for metabolic disease. Here, we found that BEN, a determination factor of brown fat function. BEN transgenic mice displayed increased energy expenditure, limited weight gain, and improved glucose tolerance in response to a high-fat diet. These results demonstrate that BEN is a cell-autonomous determinant of a brown fat function and thermogenesis.

2018-01-10 | E-MTAB-4163 | biostudies-arrayexpress

Adipocyte-specific Steap4 deficiency reduced thermogenesis and energy expenditure in mice

Project description:Steap4, highly expressed in adipose tissue, is associated with metabolic homeostasis. Dysregulated adipose and mitochondrial metabolism contribute to obesity, highlighting the need to understand their interplay. Whether and how Steap4 influences mitochondrial function, adipocytes, and energy expenditure remains unclear. Adipocyte-specific Steap4-deficient mice exhibited increased fat mass and severe insulin resistance in our high-fat diet model. Mass spectrometry identified two classes of Steap4 interactomes: mitochondrial proteins and proteins involved in splicing. RNA-seq analysis of white adipose tissue demonstrated that Steap4 deficiency altered RNA splicing patterns with enriched mitochondrial functions. Indeed, Steap4 deficiency impaired respiratory chain complex activity, causing mitochondrial dysfunction in white adipose tissue. Consistently, brown adipocyte-specific Steap4 deficiency impaired mitochondrial function, increased brown fat whitening, reduced energy expenditure, and exacerbated insulin resistance in a high-fat model. Overall, our study highlights Steap4’s critical role in modulating adipocyte mitochondrial function, thereby controlling thermogenesis, energy expenditure, and adiposity.

2025-02-03 | GSE247291 | GEO

Expression data from mice epididymal adipose tissue

Project description:Visceral white adipose tissue is closed correlated with obesity and metabolic dysfunction. Epididymal adipose tissue (eWAT) is considered as typical visceral white adipose tissue. Induction of browning of white adipose tissue improves metabolic dysfunction such as insulin resistance. In contrast to mice subcutaneous adipose tissue, visceral fat do not show significant browning under 4°C. However,under physiologically tolerable low temperature visceral adipose tissue can turn brown. We used microarrays to detail the global programme of gene expression in C57Bl/6 mice epididymal adipose tissue exposed to thermoneutral 30°C, 4°C and temperatures lower than 4°C.

2017-06-12 | GSE74062 | GEO

Expression data from murine subcutaneous and brown adipose tissue

Project description:Two types of adipose tissues, white and brown, are found in mammals. Increasingly novel strategies are being proposed for the treatment of obesity and its associated complications by altering amount and/or activity of BAT using mouse models. We used microarrays to detail the global programme of gene expression in subcutaneous white adipose tissue and brown adipose tissue. White adipose tissue (Subcutaneous region) and brown adipose tissue (intrascapular) were isolated from LACA mice (male, 25 ± 3g ) for RNA extraction and hybridization on Affymetrix microarrays.

2015-04-27 | E-GEOD-67389 | biostudies-arrayexpress

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