Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA97399 | ENA |
REPOSITORIES: ENA
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Project description:In the present study we made use of the (1-renin) DOCA-salt mouse model - which has been previously shown to develop cardiac and renal hypertrophy - to evaluate the direct effects of high-salt diet on cardiac function and gene expression profiling. The comparison between low-salt and high-salt DOCA-treated mice will reveal what genes are directly modulated by sodium in (normotensive) DOCA-treated mice. Previous publications: Wang Q, Hummler E, Nussberger J, Clement S, Gabbiani G, Brunner HR, Burnier M. Blood pressure, cardiac, and renal responses to salt and deoxycorticosterone acetate in mice: role of renin genes. J Am Soc Nephrol. 2002;13:1509 –1516. Wang Q, Domenighetti AA, Pedrazzini T, Burnier M. Potassium supplementation reduces cardiac and renal hypertrophy independent of blood pressure in DOCA/salt mice. Hypertension. 2005 Sep;46(3):547-54. Keywords: comparative dose-response treatment (2 groups)
2007-01-01 | GSE5946 | GEO
Project description:We compared the transcriptomic changes in cell populations of the arcuate nucleus of the hypothalamus in 21 day treated DOCA-salt male mice versus sham male mice using high-throughput single-nucleus RNA-seq.
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Project description:The aim of this study was to assess whether chronic treatment with RPV can modulate the progression of chronic liver disease, especially of non-alcoholic fatty liver disease (NAFLD), through a nutritional model in wild-type mice Mice were daily treated with RPV (p.o.) and fed with normal or high fat diet during 3 months to induce fatty liver disease
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Project description:Expression data from WT and RGS5 KO mice treated with DOCA/salt
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Project description:The ketogenic diet has been successful in promoting weight loss among patients that have struggled with weight gain. This is due to the cellular switch in metabolism that utilizes liver-derived ketone bodies for the primary energy source rather than glucose. Fatty acid transport protein 2 (FATP2) is highly expressed in liver, small intestine, and kidney where it functions in both the transport of exogenous long chain fatty acids (LCFA) and in the activation to CoA thioesters of very long chain fatty acids (VLCFA). We have completed a multi-omic study of FATP2-null (Fatp2-/-) mice maintained on a ketogenic diet (KD) or paired control diet (CD), with and without a 24-hour fast (KD-fasted and CD-fasted) to address the impact of deleting FATP2 under high-stress conditions. Control (wt/wt) and Fatp2-/- mice were maintained on their respective diets for 4-weeks. Afterwards, half the population was sacrificed while the remaining were fasted for 24-hours prior to sacrifice. We then performed paired-end RNA-sequencing on the whole liver tissue to investigate differential gene expression. The differentially expressed genes mapped to ontologies such as the metabolism of amino acids and derivatives, fatty acid metabolism, protein localization, and components of the immune system’s complement cascade, and were supported by the proteome and histological staining.
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Project description:The impact of high fat diet on secreted milk small RNA transcriptome was studied by isolating total RNA from milk fat fraction collected on lactation day 10 from control diet fed (C; n=5; 10% fat; 7% sucrose; Research Diets #D12450J, Brunswick, NJ) and high fat diet fed (HF; n=4; Research Diets #D12492, 60% of total kcal energy is fat and match 7% of total kcal is sucrose; Brunswick, NJ) mice.
2020-01-07 | GSE143205 | GEO
Project description:The impact of high fat diet on secreted milk small RNA transcriptome was studied by isolating total RNA from milk fat fraction collected on lactation day 10 from control diet fed (C; n=5; 10% fat; 7% sucrose; Research Diets #D12450J, Brunswick, NJ) and high fat diet fed (HF; n=4; Research Diets #D12492, 60% of total kcal energy is fat and match 7% of total kcal is sucrose; Brunswick, NJ) mice.
2018-02-08 | GSE99280 | GEO
Project description:Non-enzymatic activation of renin via its interaction with prorenin receptor (PRR) has been proposed as a key mechanism of local renin-angiotensin system (RAS) activation. The presence of renin and angiotensinogen has been reported in the rostral ventrolateral nucleus (RVLM). Overactivation of bulbospinal neurons RVLM is linked to hypertension (HTN). Previous studies have shown that the brain RAS plays a role in the pathogenesis of the deoxycorticosterone (DOCA)-salt HTN model. Thus, we hypothesized that PRR in the RVLM is involved in the local activation of the RAS, facilitating the development of DOCA-salt HTN. Selective PRR ablation targeting the RVLM (PRRRVLM-Null mice) resulted in an unexpected sex-dependent and biphasic phenotype in DOCA-salt HTN. That is, PRRRVLM-Null females (but not males) exhibited a significant delay in achieving maximal pressor responses during the initial stage of DOCA-salt HTN. Female PRRRVLM-Null subsequently showed exacerbated DOCA-salt-induced pressor responses during the “maintenance” phase with a maximal peak at 13 days on DOCA-salt. This exacerbated response was associated with an increased sympathetic drive to the resistance arterioles and the kidney, exacerbated fluid and sodium intake and output in response to DOCA-salt, and induced mobilization of fluids from the intracellular to extracellular space concomitant with elevated vasopressin. Ablation of PRR suppressed genes involved in RAS activation and catecholamine synthesis in the RVLM but also induced expression of genes involved in inflammatory responses. This study illustrates complex and sex-dependent roles of PRR in the neural control of BP and hydromineral balance through autonomic and neuroendocrine systems.
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Project description:We assigned carboxypeptidase X 2 (Cpxm2) to a genetic locus for left ventricular mass. The functional role of Cpxm2 was investigated in Cpxm2-deficient (KO) and wild-type (WT) mice exposed to deoxycorticosterone acetate (DOCA)-salt hypertension and control conditions (SHAM). Both WT and KO animals developed severe and similar systolic hypertension in response to DOCA. WT mice developed severe LV damage. These changes were significantly ameliorated or even normalized (i.e. ejection fraction) in KO-DOCA animals. LV transcriptome analysis in WT, but not in KO mice, showed a molecular cardiac hypertrophy/remodeling signature with significant upregulation of 1234 transcripts including Cpxm2 in response to DOCA.
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Project description:Expression data from mice on a high fat, high carbohydrate diet treated with exenatide
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