Ontology highlight
ABSTRACT:
PROVIDER: PRJEB16908 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| FOCL01.dat.gz | Other | |||
| FOCL01.fasta.gz | Fasta.gz | |||
| FOCL01.master.dat | Other | |||
| FOCL01.dat.gz | Other |
Items per page: 5 1 - 4 of 4 |
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Project description:Expression profiling of 3T3-F442A adipocytes treated with growth hormone (GH, 500 nM) or vehicle (DMEM + 1% BSA) control for 30 min., 4 hr., or 48 hr in three independent experiments. Chronic GH treatment induces metabolic changes consistent with insulin resistance in 3T3-F442A adipocytes. Keywords: time-course
2005-12-20 | GSE2120 | GEO
Project description:Expression profiling of 3T3-F442A adipocytes treated with growth hormone (GH, 500 nM) or vehicle (DMEM + 1% BSA) control for 30 min., 4 hr., or 48 hr in three independent experiments. Chronic GH treatment induces metabolic changes consistent with insulin resistance in 3T3-F442A adipocytes.
2007-09-21 | E-GEOD-2120 | biostudies-arrayexpress
Project description:Sex-dependent pituitary growth hormone (GH) secretory patterns determine the sex-biased expression of >1,000 genes in mouse and rat liver, affecting lipid and drug metabolism, inflammation and disease. A fundamental biological question is how robust differential expression can be achieved for hundreds of sex-biased genes simply based on the GH input signal pattern: pulsatile GH stimulation in males vs. near-continuous GH exposure in females. STAT5 is an essential transcriptional mediator of the sex-dependent effects of GH in the liver, but the mechanisms that underlie its sex-dependent actions are obscure. Here we elucidate the dynamic, sex-dependent binding of STAT5 and the GH/STAT5-regulated repressor BCL6 to mouse liver chromatin, revealing the counteractive interplay between these two regulators of liver sex-specificity. Our findings establish a close correlation between sex-dependent STAT5 binding and sex-biased target gene expression. Moreover, sex-dependent STAT5 binding correlated positively with sex-biased DNase hypersensitivity and H3-K4me1 and H3-K4me3 (activating) marks, correlated negatively with sex-biased H3-K27me3 (repressive) marks, and was associated with sex-differentially enriched motifs for HNF6/CDP factors. Importantly, BCL6 binding was preferentially associated with repression of female-biased STAT5 targets in male liver. Furthermore, BCL6 and STAT5 common targets but not BCL6 unique targets showed strong enrichment for lipid and drug metabolism. These findings provide a comprehensive, genome-wide view of the mechanisms whereby these two GH-regulated transcription factors establish and maintain sex differences affecting liver physiology and disease. The approaches used here to characterize sex-dependent STAT5 and BCL6 binding can be applied to other condition-specific regulatory factors and binding sites and their interplay with co-operative chromatin-binding factors. Mouse livers were excised from individual male and female mice killed at either a peak of STAT5 binding activity, or during the growth hormone (GH) interpulse interval, when STAT5 activity is either low (females) or essentially undetectable (males). Sonicated, cross-linked liver nuclear chromatin was then used to identify STAT5 binding sites by ChIP-Seq.
2011-12-18 | E-GEOD-31578 | biostudies-arrayexpress
Project description:Objective Circulating plasma miRNAs have been increasingly studied in the field of pituitary neuroendocrine tumor (PitNET) research. Our aim was to discover circulating plasma miRNAs species associated with growth hormone (GH) secreting PitNETs and assess how the plasma levels of discovered miRNA candidates are impacted by SSA therapy and whether there is a difference in their levels between GH secreting PitNETs and other PitNET types. Methods miRNA candidates were discovered using the whole miRNA sequencing approach and differential expression analysis. Selected miRNAs were then analyzed using real-time polymerase chain reaction (qPCR). Results Whole miRNA sequencing discovered a total of 19 differentially expressed miRNAs (DEMs) in GH secreting PitNET patients' plasma 24 hours after surgery and 19 DEMs between GH secreting PitNET patients’ plasma and non-functioning (NF) PitNET patients’ plasma. Seven miRNAs were selected for further testing of which miR-625-5p, miR-503-5p miR-181a-2-3p and miR-130b-3p showed a significant downregulation in plasma after 1 month of SSA treatment. miR-181a-5p and mir-625-5p were also found to be significantly downregulated in plasma of GH secreting PitNET patients vs. NF PitNET patients. Conclusions Our study suggests that expression of plasma miRNAs miR-625-5p, miR-503-5p miR-181a-2-3p and miR-130b-3p in GH secreting PitNETs is affected by SSA treatment. Additionally, miR-625-5p and miR-181a-5p can distinguish GH secreting PitNETs from other PitNET types warranting further research on these miRNAs for treatment efficacy.
2022-02-16 | GSE196647 | GEO
Project description:We generated h-hepatocyte chimeric mice with livers that were predominantly repopulated with h-hepatocytes in a h-growth hormone (GH)-deficient state. Using microarray profiles, comparison between h-hepatocytes from h-GH-treated and untreated mice identified 14 GH-up-regulated and four GH-down-regulated genes, including IGF-1, SOCS2, NNMT, IGFLS, P4AH1, SLC16A1, and SRD5A1, and FADS1 and AKR1B10, respectively.
2011-01-25 | GSE26224 | GEO
Project description:Sequencing files provided here are mouse liver DNase-seq for male mouse livers collected at either a peak or trough of GH/STAT5 activity. This is part of a larger study that includes DNase-seq in mouse liver from hypophysectomized males, females, and hypox-male mice given a single dose of GH. DNase hypersensitivity site (DHS) analysis of these livers established that the naturally occurring, endogenous male rhythm of plasma GH pulse-stimulated liver STAT5 activation induces dynamic, repeated cycles of chromatin opening and closing at several thousand liver DHS and comprises a novel mechanism conferring male bias to liver chromatin accessibility.
2023-08-21 | GSE131848 | GEO
Project description:Growth hormone (GH) is important in the development and maintenance of bone; however the IGF-dependent and -independent molecular pathways involved remain to be established. We used microarray analysis to identify genes acutely regulated by GH, in the bones of four week old GH-deficient mice at 6 or 24 hours following a single injection of GH (4 mg/kg body wt) or PBS (n = 6/group). 6,160 genes were differentially expressed at P = 0.05 and 17% of these genes were identified at both time points. Several of the 201 genes that were up or down regulated at > 2 fold at 6 and/or 24 hours (P = 0.01) were expressed sequence tags, transcription factors, or signaling genes. In conclusion, GH caused acute changes in several novel genes, suggesting that many GH-induced signaling pathways and target genes remain to be discovered Keywords: GH injection induced gene expression, time course
2006-02-01 | GSE3689 | GEO