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Expression data from human primary skeletal muscle myotubes treated with aldosterone, spironolactone, or vehicle.

ABSTRACT: To test for a function effect of mineralocorticoid receptor modulation in skeletal muscle, global gene expression analysis was conducted on human myltubes treated with a mineralocorticoid receptor agonist or antagonist.

ORGANISM(S): Homo sapiens

PROVIDER: GSE70822 | GEO | 2015/07/14

SECONDARY ACCESSION(S): PRJNA289645

REPOSITORIES: GEO

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Expression data from human primary skeletal muscle myotubes treated with aldosterone, spironolactone, or vehicle.

Project description:To test for a function effect of mineralocorticoid receptor modulation in skeletal muscle, global gene expression analysis was conducted on human myltubes treated with a mineralocorticoid receptor agonist or antagonist. 9 total samples were analyzed. 3 biological replicates for each of the following treatment groups were included: 1) aldosterone; 2) spironolactone; 3) vehicle (ethanol). Pairwise comparison between groups were carried out and a fold-change ≥2 were selected.

2015-07-14 | E-GEOD-70822 | biostudies-arrayexpress

Expression data from human primary skeletal muscle myotubes treated with aldosterone, spironolactone, eplerenone, mifepristone, prednisolone or vehicle

Project description:To define the direct gene expression changes in normal human skeletal muscle with mineralocorticoid and glucocorticoid receptor agonist and antagonist treatment.

2017-05-05 | GSE84990 | GEO

Expression data from human primary skeletal muscle myotubes treated with aldosterone alone or co-incubated with aldosterone plus spironolactone, eplerenone, or mifepristone

Project description:To uncover whether aldosterone induces gene expression changes through mineralocorticoid or glucocorticoid receptors and determine if eplerenone and spironolactone could block aldosterone induced gene expression to the same extent

2017-05-05 | GSE84991 | GEO

Differential antagonistic effects of finerenone and spironolactone on the aldosterone transcriptome in human kidney cells.

Project description:Aldosterone, the main mineralocorticoid hormone in humans, controls, via gene transregulation, various renal functions including water and sodium reabsorption and potassium excretion. Dysregulations in the aldosterone signaling pathway lead to renal dysfunctions, including chronic kidney disease and renal fibrosis, that can be prevented or treated with mineralocorticoid receptor antagonists (MRAs). To understand the global effects of aldosterone on the human renal transcriptome, and how it is antagonized by the MRAs spironolactone and finerenone, we used RNA-sequencing on a human kidney cells HK-GFP-hMR. Our data provide the first complete transcriptome for aldosterone on a human renal cell line and support at the RNA level the benefit of finerenone for the treatment of kidney injury and fibrosis.

2022-05-09 | GSE151321 | GEO

Aldosterone-Regulated Expression Data in Mouse Aorta

Project description:The steroid hormone aldosterone plays a role in vascular function and disease. Aldosterone activates the mineralocorticoid receptor (MR), a ligand-activated transcription factor. MR have been found to be expressed in vascular cells and vessels. We used microarrays to identify the global programme of gene expression changes in mouse aortas treated with vehicle (DMSO) or aldosterone. Wild type C57Bl6 male mice were treated with spironolactone (20 mg/kg/day, an MR antagonist) for 5 days by Sub-cutaneous pellet to suppress basal MR-mediated gene expression. Aortas were then harvested and treated ex vivo in organ culture with vehicle or 100 nM aldosterone for 2, 4, or 8 hours. Three aortas were pooled for each timepoint and treatment, and three pooled biological replicates were performed.

2010-08-12 | E-GEOD-23566 | biostudies-arrayexpress

Modulation of NKG2D ligand expression and metastasis in tumors by spironolactone via RXR-gamma activation

Project description:Tumor metastasis and lack of NKG2D ligand (NKG2DL) expression are associated with poor prognosis in patients with colon cancer. Here we found that spironolactone (SPIR), an FDA-approved diuretic drug with a long-term safety profile, can upregulate NKG2DL expression in multiple colon cancer cell lines by activating the ATM-Chk2-mediated checkpoint pathway, which in turn enhances tumor elimination by natural killer cells. SPIR can also upregulate the expression of metastasis-suppressor genes TIMP2 and TIMP3, thereby reducing tumor cell invasiveness. Although SPIR is an aldosterone antagonist, its anti-tumor effects are independent of the mineralocorticoid receptor pathway. Instead, by screening the human nuclear hormone receptor siRNA library, we identify retinoid X receptor gamma (RXR gamma) as being indispensable for the anti-tumor functions of SPIR. Collectively, our results strongly support the use of SPIR or other RXR gamma-agonists with minimal side effects for colon cancer prevention and therapy. Two replicates of two cell types with and without drug

2013-10-22 | E-GEOD-50010 | biostudies-arrayexpress

Modulation of NKG2D ligand expression and metastasis in tumors by spironolactone via RXR-gamma activation

2013-10-22 | GSE50010 | GEO

Effect of 48 h aldosterone treatment on late-gestation fetal lung

Project description:The late-gestation fetal lung has relatively high levels of expression of the mineralocorticoid receptor (MR) as well as the glucocorticoid receptor (GR), suggesting that endogenous corticosteroids may act in the lung through binding at MR as well as GR. This study was designed to determine the effects of physiologically relevant increases in steroids on MR and GR in the late-gestation lung. The GR agonist, betamethasone, the MR agonist, aldosterone, or both agonists were infused intravenously for 48 hours in ovine fetuses of approximately 130 days gestation. Effects on airway pressures during stepwise inflation of the in situ lung, expression of ENaC and Na,K ATPase, and elastin and collagen content were determined at the end of the infusions. We found that aldosterone significantly reduced the initial airway pressures measured in situ during inflation. This effect did not occur with betamethasone alone or in combination with aldosterone. Conversely, betamethasone, but not aldosterone, significantly increased expression of the epithelial sodium channel (ENaC) subunit mRNAs, and collagen and elastin content in the lungs. Aldosterone altered novel gene pathways in the fetal lung, suggesting effects on lung compliance via genes which influence immune pathways and lung stiffness. The results are consistent with corticosteroid-induced fluid reabsorption at birth through GR rather than MR, but suggest that MR contributes effects facilitating lung inflation with the first breaths via nonclassical mechanisms. 4 sets of twin sheep fetuses at approximately 130d gestation (term is 147d) were used. One twin was infused with 0.2 mg aldosterone for 48 h, the other received vehicle.

2014-08-07 | E-GEOD-53048 | biostudies-arrayexpress

Cistrome of the Aldosterone-activated Mineralocorticoid Receptor in Human Renal Cells

Project description:Aldosterone, the main mineralocorticoid hormone in Humans, has a major role in maintaining the hemo-electrolytique homeostasis, by acting in the distal part of nephron. This steroid hormone mainly acts through its binding to a ligand-induced transcription factor, the mineralocorticoid receptor (MR). MR binds to specific genomic sequences, where it recruits transcriptional coregulators, to activate or repress target gene transcription. The aim of this work was to access the whole aldosterone-dependand MR target genes, by comparing sequenced data from aldosterone or vehicle-treated samples.

2015-06-12 | GSE69777 | GEO

Aldosterone-Regulated Expression Data in Mouse Aorta

2010-08-12 | GSE23566 | GEO

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