Ontology highlight
ABSTRACT:
PROVIDER: PRJNA561528 | ENA |
REPOSITORIES: ENA
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Project description:Studies of human fetal lung in explant culture and in isolated epithelial cells have demonstrated that both glucocorticoids and cyclic AMP promote differentiated alveolar type II cell phenotype as assessed by ultrastructural morphology and surfactant production. This project profiles changes in gene expression associated with hormone induced differentiation. Undifferentiated human fetal lung (13-20 wk) epithelial cells were cultured in serum-free medium (control) or with dexamethasone/8-Bromo cyclic AMP/isobutylmethylxanthine (DCI) to promote type II cell differentiation. RNA from five sets of experiments (10 samples) was evaluated using the U133A Affymetrix GeneChip set. Keywords: Hormone treatment
2005-09-21 | GSE3306 | GEO
Project description:The aim of the current study was to characterize the genetic adaptive pathways altered by exercise in veteran athletes and age-matched untrained individuals. Two groups of 50-60 year old males: competitive cyclists and untrained, minimally active individuals were examined. All participants completed an acut bout of submaximal endurance exercise and blood samples pre- and post-exercise were analyzed for gene expression changes utilizing genome-wide DNA microarray analysis. Our results indicate distinct differences in gene expression involving energy metabolism, lipids, insuling signaling and cardiovascular function between the two groups. These findings may lead to new insights into beneficial signaling pathways of healthy aging and help identify surrogate markers for monitoring exercise and training load. Blood samples from the control and athlete groups were analyzed at three time-points: T1 (before exercise); T2 (immediately after exercise) and T3 (24 hours after exercise). There were n = 4 samples in each of control and athlete group at T1 and T3; and n = 7 for control group and n = 8 for athlete group at T2. One athlete sample (Sample # 010201) at time - point T2 had a technical replicate.
2013-09-27 | E-GEOD-51216 | biostudies-arrayexpress
Project description:<p>Biological nitrogen fixation by free-living bacteria and rhizobial symbiosis with legumes plays a key role in sustainable crop production. Here, we study how different crop combinations influence the interaction between peanut plants and their rhizosphere microbiota via metabolite deposition and functional responses of free-living and symbiotic nitrogen-fixing bacteria. Based on a long-term (8 year) diversified cropping field experiment, we find that peanut co-cultured with maize and oilseed rape lead to specific changes in peanut rhizosphere metabolite profiles and bacterial functions and nodulation. Flavonoids and coumarins accumulate due to the activation of phenylpropanoid biosynthesis pathways in peanuts. These changes enhance the growth and nitrogen fixation activity of free-living bacterial isolates, and root nodulation by symbiotic Bradyrhizobium isolates. Peanut plant root metabolites interact with Bradyrhizobium isolates contributing to initiate nodulation. Our findings demonstrate that tailored intercropping could be used to improve soil nitrogen availability through changes in the rhizosphere microbiome and its functions.</p>
2024-03-19 | MTBLS6537 | MetaboLights
Project description:Investigating the antimicrobial potential of the athlete gut microbiome
| PRJEB50426 | ENA
Project description:Investigating the antimicrobial potential of the athlete gut microbiome
| PRJEB49188 | ENA
Project description:Studies of human fetal lung in explant culture and in isolated epithelial cells have demonstrated that both glucocorticoids and cyclic AMP promote differentiated alveolar type II cell phenotype as assessed by ultrastructural morphology and surfactant production. This project profiles changes in gene expression associated with hormone induced differentiation. Undifferentiated human fetal lung (13-20 wk) epithelial cells were cultured in serum-free medium (control) or with dexamethasone/8-Bromo cyclic AMP/isobutylmethylxanthine (DCI) to promote type II cell differentiation. RNA from five sets of experiments (10 samples) was evaluated using the U133A Affymetrix GeneChip set. Experiment Overall Design: Cells were isolated from 13 individual lungs and the cells from each were cultured in the absence (control) and presence of DCI dexamethasone (10 nM)/8-Br-cyclic AMP (0.1 mM)/isobutylxanthine for 72 h. RNA was isolated from the control and treated cells of each prep. For the 5 sets of microarray experiments (10 total chips, 2 for each control and treated pair), RNA from 2 of the cell preps was analysed as individual microarray comparisons. RNA from 11 cell preps was pooled for the other 3 experiments (4, 4, and 3 cell preps) to provide control and DCI-treated RNA pools.
2007-11-22 | E-GEOD-3306 | biostudies-arrayexpress
Project description:Fresh T. b. brucei isolates MAK65 and MAK98 (see E-MTAB-9320) were cultured in vitro for various times then the genomic DNA was sequenced.
2021-05-22 | E-MTAB-10457 | biostudies-arrayexpress