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Expression Profiles of miRNAs in brown fat of mice at room temperature and cold exposure (8C)

ABSTRACT: microRNAs levels were measured in brown adipose tissue of male C57Bl6N mice that were kept at RT or during cold exposure (8°C) for 24 hrs. Several miRNAs including myomirs were identified to be regulated in response to cold.

ORGANISM(S): Mus musculus

PROVIDER: GSE41306 | GEO | 2012/11/01

SECONDARY ACCESSION(S): PRJNA178548

REPOSITORIES: GEO

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Expression Profiles of miRNAs in brown fat of mice at room temperature and cold exposure (8C)

Project description:microRNAs levels were measured in brown adipose tissue of male C57Bl6N mice that were kept at RT or during cold exposure (8Â°C) for 24 hrs. Several miRNAs including myomirs were identified to be regulated in response to cold. Brown adipose tissue from 2 groups of 8 weeks old male C57Bl6N mice at room temperature (n=3) or after cold exposure n=3) at 8Â°C for 24 hrs were excised and RNA was extracted using Trizol and the manufactureres recommended procedure. miRNA expression levels were determined using Agilent microRNA expression analysis platform.

2012-11-01 | E-GEOD-41306 | biostudies-arrayexpress

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Project description:Purpose: The goal of this study are to compare global gene expression profile in brown adipose tissue in Cdk7 bKO and WT control mice at both RT and after 6 hours cold exposure Methods: Interscapular BAT pads were taken from 12-week-old CDK7 bKO and control littermates either at room temperature or after 6 hours of cold exposure with food. Mice were sacrificed at zeitgeber time 9. Total RNA was extracted with TRI Reagent (Sigma). Two RNA samples from two mice with same genotype and condition were pool together (each 250 ng) to constitute 500 ng of total RNA from biological triplicates (three WT-RT, three CDK7 bKO-RT, three WT-cold, and three CDK7 bKO-cold) for sequencing. Results: Reads were also aligned to the Mus musculus.GRCm38.86 transcriptome using STAR (v. 2.5.2b, Dobin et al. 2013) and the estimation of the isoforms abundance was computed using RSEM (v. 1.2.31, Li and Dewey 2011). Conclusions: Differentially expressed genes (DEGs) were identified between genotype and treatment.

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Project description:Single nucleus RNA sequencing in mouse brown adipose tissue at room temperature, cold condition and thermoneutrality.

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Project description:In the last decades, adipose tissue has been defined to play a central role in the control of energy balance. Furthermore, the proven endocrine and thermogenic functions of adipocytes have renewed interest in the study of this tissue, as the activation of non-shivering thermogenesis may hold great potential for the future treatment of obesity and T2D. Cold exposure has defined to activate this process. Here, the miRNA transcriptomic response of epididymal and inguinal white adipose depots (eWAT and iWAT, respectively) as well as that of the interscapular brown adipose depot (iBAT) of C57Bl/6 mice either exposed to 22ºC or 4ºC for the period of 4 days were examined. This in-detail study of the adaptation of each depot to cold exposure has allowed unraveling depot-specific regulatory molecular mechanisms.

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Microarray gene expression analysis of white and brown adipose tissue depots from mice exposed to cold or room temperature.

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RNAseq for CDK7 brown adipose tissue specific knockout mice under room temperature and 6 hrs cold exposure.

Project description:RNAseq for CDK7 brown adipose tissue specific knockout mice under room temperature and 6 hrs cold exposure.

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Project description:Cold exposure leads to alteration in the structure of the male sex chromosome of the mutant strain In(1)BM2(reinverted). Genome wide expression profiling was used to identify candidate genes involved in the expression of this phenotype. Adult male flies were exposed to cold shock at 12±1°C for 4 hours and the differentially expressed genes in the strain was compared to similarly exposed wild type Oregon R males. The microarray data was further validated using real time PCR.

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Project description:In the last decades, adipose tissue has been defined to play a central role in the control of energy balance. Furthermore, the proven endocrine and thermogenic functions of adipocytes have renewed interest in the study of this tissue, as the activation of non-shivering thermogenesis may hold great potential for the future treatment of obesity and T2D. Cold exposure has defined to activate this process. Here, the transcriptomic response of epididymal and inguinal white adipose depots (eWAT and iWAT, respectively) as well as that of the interscapular brown adipose depot (iBAT) of C57Bl/6 mice either exposed to 22ºC or 4ºC for the period of 4 days were examined. This in-detail study of the adaptation of each depot to cold exposure has allowed unraveling depot-specific regulatory molecular mechanisms.

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Project description:Cold exposure leads to alteration in the structure of the male sex chromosome of the mutant strain In(1)BM2(reinverted). Genome wide expression profiling was used to identify candidate genes involved in the expression of this phenotype. Adult male flies were exposed to cold shock at 12Â±1Â°C for 4 hours and the differentially expressed genes in the strain was compared to similarly exposed wild type Oregon R males. The microarray data was further validated using real time PCR. Two-condition experiment, RT vs. CS flies. Biological replicates: 2 control replicates, 2 replicates exposed to cold shock.

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