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Differential gene expression between female hNAG-1 transgenic and Wt mice in abdominal white adipose tissue (WAT)

ABSTRACT: To understand the mechanism of extended lifespan in hNAG-1 mice, we used whole genome microarray analysis to examine differential gene expression in abdominal WAT in hNAG-1 mice. Differential category expression analysis may show significant differences between hNAG-1 mice and WT mice in key pathways in the regulation of metabolism and mammalian lifespan. In addition, To explore the reason why hNAG-1 mice are leaner than Wt littermates.

ORGANISM(S): Mus musculus

PROVIDER: GSE60614 | GEO | 2015/08/10

SECONDARY ACCESSION(S): PRJNA258650

REPOSITORIES: GEO

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Differential gene expression between female hNAG-1 transgenic and Wt mice in abdominal white adipose tissue (WAT)

Project description:To understand the mechanism of extended lifespan in hNAG-1 mice, we used whole genome microarray analysis to examine differential gene expression in abdominal WAT in hNAG-1 mice. Differential category expression analysis may show significant differences between hNAG-1 mice and WT mice in key pathways in the regulation of metabolism and mammalian lifespan. In addition, To explore the reason why hNAG-1 mice are leaner than Wt littermates. A total of 6 animals from each genotype were used and WAT was extacted from each mouse, we then pooled two sample as one sample for each genotype to be used in microarray experiment.

2015-08-10 | E-GEOD-60614 | biostudies-arrayexpress

LR11 knockout in BAT and WAT

Project description:To study the gene expression profiles of brown (BAT) and white (WAT) adipose tissues in wild type and LR11-deficeint mice. The four RNA sources, WT scWAT, Lr11 -/- scWAT, WT BAT and Lr11 -/- BAT, were prepared from subcutaneous WAT and BAT from wild-type mice and Lr11 -/- mice, respectively (n=3 each).

2015-11-01 | E-GEOD-69117 | biostudies-arrayexpress

Hypoxia-induced metabolic dysfunction in WAT

Project description:Background: Excessive white adipose tissue (WAT) expansion as in obesity is generally associated with chronic inflammation of WAT, which contributes to obesity associated complications. Low oxygen availability in WAT is hypothesized to be the initiator of this inflammatory response. Hypothesis: We examined the hypothesis that local tissue hypoxia is responsible for the initiation of inflammation in WAT. Research design and methods: Diet-induced obese male C57BL/6JOlaHsd mice, housed at thermoneutrality, were exposed to mild environmental oxygen restriction (OxR, to 13% oxygen) for five days and compared with mice kept at normoxia, after which WAT and serum were collected. Body composition, systemic metabolic parameters, WAT macrophage infiltration (as marker for tissue inflammation) and whole genome microarray analysis, and circulating adipokines were measured. Results: Five days OxR decreased body weight and fat mass, and increased blood levels of haemoglobin and haematocrit, as well as lactate to glucose ratio, which indicated systemic hypoxia. No difference in adipose tissue inflammation was found, which was supported by down regulation of inflammation-associated transcript levels of S100a8, Saa1, and Saa3. Serum metabolomics revealed an increase of branched chain amino acid Valine and propionylcarnitine. Adipokines CCDC3, CCK, and Adiponectin are reduced by OxR on transcript (Cck) or serum protein level (Adiponectin), or both (CCDC3). Conclusions: Mild oxygen restriction does not increase white adipose tissue inflammation in obese mice. However, a systemic adaptation together with a metabolic response in WAT was observed.

2019-06-24 | GSE53802 | GEO

Escherichia coli strain:WAT

Project description:Escherichia coli WAT genome

| PRJNA292047 | ENA

LR11 knockout in BAT and WAT

Project description:To study the gene expression profiles of brown (BAT) and white (WAT) adipose tissues in wild type and LR11-deficeint mice.

2015-11-01 | GSE69117 | GEO

ISR target genes in WAT and BAT of mAP::Fv2E-PERK

Project description:To identify the target genes of integrated stress reponse (ISR) in WAT and BAT, we have employed whole genome microarray expression in WAT and BAT specific Fv2E-PERK transgenic mice. The mAP::Fv2E-PERK transgenic mice were injected by AP20187 or mock.

2015-08-05 | E-GEOD-49645 | biostudies-arrayexpress

ISR target genes in WAT and BAT of mAP::Fv2E-PERK

2015-08-05 | GSE49645 | GEO

DFO-induced hypoxia leading to metabolic dysfunction in WAT

Project description:Metabolic dysfunction of white adipose tissue (WAT) is considered to be underlying the comorbidities in obesity, including insulin resistance and tissue inflammation. Moreover, due to the expansion of WAT, local tissue hypoxia has been reported. Whether local tissue hypoxia underlies the metabolic de-arrangements and is the first step in initiation inflammation is questioned here. Desferrioxamine (DFO) is a chemical compound trapping free iron, thus leading to a reduction in oxygen availability within the body, which mimics hypoxia. Therefore, C57BL/6JOlaHsd wildtype male mice, aged 9 weeks, were fed purified low fat diet (BIOCLAIMS, Hoevenaars et al., Genes and Nutrition 2012) for 3 weeks to acclimatize, followed by 12 weeks a BIOCLAIMS high-fat diet (HFD), all at thermoneutrality (29 degrees C) to induce massive expansion of WAT without metabolic dysregulation (Hoevenaars et al., Mol Nutr Food Res 2014). Subsequently, mice were divided into different treatment groups: i) control group, ii) 5 days Desferrioxamine (DFO) daily injections (100 mg/kg body weight). Mice were killed by decapitation at the end of the experiment after 2 hour food removal at the start of the light phase. After sacrification, epididymal WAT was immediately dissected and snap frozen in liquid nitrogen. Total RNA was isolated, quantified and qualified, and subsequently used for global gene expression profiling using Agilent 8x60K microarrays.

2017-04-06 | GSE53803 | GEO

Temperature-flux induced metabolic adjustments in WAT

Project description:Mice have their lowest (basal) metabolic rate when housed at thermoneutrality, which starts above 29 degrees C. Although they eat less, and thus reduce their energy intake, their energy balance remains positive leading to an increased adiposity, especially when fed a high fat diet. However, almost all metabolic mouse studies are performed at standard room temperatures ranging between 20 and 22 degrees C. Previously, we showed that housing mice at thermoneutrality lead to massive increased adiposity, while metabolic dysfunction of white adipose tissue (WAT) was absent. Here, we studied whether an increased metabolic flux through WAT induces cellular stress and underlies tissue dysfunction leading to tissue inflammation. C57BL/6JOlaHsd wildtype male mice, aged 9 weeks, were fed purified low fat diet (BIOCLAIMS, Hoevenaars et al., Genes and Nutrition 2012) for 3 weeks to acclimatize, followed by 12 weeks a BIOCLAIMS high-fat diet (HFD), all at thermoneutrality (29 degrees C). Subsequently, mice were divided into different treatment groups: i) control group, which remained at thermoneutrality for 5 days, ii) 5 days normal housing temperature (22 C degrees) while housed continously in an indirect calorimetry system. At the end of the study, after 2 hours food removal at the start of the light phase, mice were killed immediately by decapitation after taking them out of the indirect calorimetry system. After sacrification, epididymal WAT was immediately dissected and snap frozen in liquid nitrogen. Total RNA was isolated, quantified and qualified, and subsequently used for global gene expression profiling using Agilent 8x60K microarrays.

2017-04-06 | GSE53804 | GEO

Gene Expression in the BAT and WAT of ob/ob and ob/ob/Cidea-/-/Cidec-/- mice

Project description:ob/ob mice is an obese mice. CIDE family proteins including Cidea, Cideb and Cidec play important role in lipid metabolism. Cidea is mainly expressed in the brown adipose tissue (BAT). Cidec is mainly expressed in the BAT and white adipose tissue (WAT). We generated ob/ob/Cidea-/-/Cidec-/- mice to investigate the phenotype of fat tissue. ob/ob/Cidea-/-/Cidec-/- mice are lean when compared with ob/ob mice. The tissue weight and TAG content of BAT and WAT was extreamly decreased in ob/ob/Cidea-/-/Cidec-/- mice compared with that in ob/ob mice. We next extract the total RNA from the BAT and WAT of ob/ob and ob/ob/Cidea-/-/Cidec-/- mice, to perform microarray analysis using Mouse Gene 1.0 ST array system, Affymetrix. We then analysised the up-regulated and down regulated pathways.

2018-04-18 | GSE100989 | GEO

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