Project description:Expression data from human primary skeletal muscle myotubes treated with aldosterone, spironolactone, eplerenone, mifepristone, prednisolone 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.
Project description:Expression data from human primary skeletal muscle myotubes treated with aldosterone alone or co-incubated with aldosterone plus spironolactone, eplerenone, or mifepristone
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.
Project description:We identified the target genes of FTO ("fat mass and obesity associated") in primary cultures of human skeletal muscle cells using adenoviral vectors expressing FTO or GFP and oligonucleotide microarrays. Human myotubes were prepared from 4 different skeletal muscle biopsies. After differentiation, myotubes were infected for 48 hours with recombinant adenovirus expressing either GFP or FTO. Each FTO-infected myotubes culture was compared to GFP-infected myotubes culture. GFP-infected myotubes were regarded as the control. Four biological replicates were processed.
Project description:In this study we have identified the target genes of BHLHB2 and BHLHB3 in primary cultures of human skeletal muscle cells using adenoviral vectors expressing either BHLHB2 or BHLHB3, and oligonucleotide microarrays. Human myotubes were prepared from 4 different skeletal muscle biopsies. After 7 days of differentiation, myotubes were infected for 48 hours with recombinant adenovirus expressing either GFP, BHLHB2 or BHLHB3. Each BHLHB2- or BHLHB3-infected myotubes culture was compared to GFP-infected myotubes culture. GFP-infected myotubes were considered the control. Four biological replicates were processed.
Project description:In this study we have identified the target genes of SREBP1a and SREBP1c in primary cultures of human skeletal muscle cells using adenoviral vectors expressing the mature nuclear form of human SREBP1a or SREBP1c combined with oligonucleotide microarrays. Keywords: comparison of human myotubes infected either by SREBP1a or 1C Human myotubes were prepared from 3 different skeletal muscle biopsies. After 7 days of differentiation, myotubes were infected for 48 hours with recombinant adenovirus expressing either Renilla, nuclear SREBP1a or nuclear SREBP1c. Each SREBP1a or SREBP1c infected myotubes culture was compared to Renilla infected myotubes culture. Renilla infected myotubes were considered as the control. Three biological replicates were processed.
Project description:Target gene of mineralocorticoid receptor (MR) is comparatively unknown, although distal convoluted tubule (DCT) expresses MR in in vivo. We used microarray and immortalized murine DCT cell-line overexpressing human MR with treatment of aldosterone to elucidate target genes of MR in DCT. mDCT overexpresses human MR by lipofection and is treated for 3 hours with ethanol (g1), or 10^-9 M aldosterone (g2), or 10^-7 M aldosterone (g3), or 10^-7 M aldosterone with pretreatment of 5 x 10^-6 M spironolactone (g4) for 2 hours.
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.