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Expression profiling in ductus arteriosus and aorta of Brown-Norway and Fischer344 rats

ABSTRACT: Comparison of gene expression levels in ductus arteriosus (DA) and aorta in full-term (21 days) neonates of Brown-Norway (BN) and Fischer344 (F344) rats We analyzed the fold difference between BN and F344 rats in ductus arteriosus in order to identify the down-regulated and up-regulated genes specifically in BN rat's DA. The differences in aorta was also examined for additional comparison.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE40534 | GEO | 2015/08/29

SECONDARY ACCESSION(S): PRJNA174230

REPOSITORIES: GEO

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Expression profiling in ductus arteriosus and aorta of Brown-Norway and Fischer344 rats

Project description:Comparison of gene expression levels in ductus arteriosus (DA) and aorta in full-term (21 days) neonates of Brown-Norway (BN) and Fischer344 (F344) rats We analyzed the fold difference between BN and F344 rats in ductus arteriosus in order to identify the down-regulated and up-regulated genes specifically in BN rat's DA. The differences in aorta was also examined for additional comparison. Total RNA was extracted from aorta and DA tissues from BN and F344 rat neonates one hour after delivery, and converted to biotin-labeled cRNAs that were hybridized to Affymetrix Rat Gene 1.0 ST Array.

2015-08-29 | E-GEOD-40534 | biostudies-arrayexpress

Transcriptional profiles in the chicken ductus arteriosus during hatching

Project description:The ductus arteriosus constricts after birth or hatching and eventually closes to terminate embryonic circulation. Chicken embryos have two long ductus arteriosus. Then the pulmonary artery-sided and descending aorta-sided ductus arteriosus have distinct functional characteristics, such as oxygen responsiveness. We used microarrays to elucidate the difference between the pulmonary artery-sided and descending aorta-sided ductus arteriosus in their transcriptional profiles.

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Gene Profiling in Mouse Fetal Ductus Arteriosus

2014-08-05 | GSE51664 | GEO

Expression profiling in perinatal Ductus Arteriosus (DA) and Aorta (Ao).

Project description:Compared the gene expression profiles of two contiguous vessels pre and post - birth, namely the Ductus Arteriosus (DA), committed to become a fibrous ligament, and the Aorta (Ao), which conversely takes on a permanent activity. The effect of artificially enhanced O2 tension was analyzed in DA in the pre-birth condition. Keywords: Comparison gene expression

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Gene Profiling in Mouse Fetal Ductus Arteriosus

Project description:The ductus arteriosus (DA) is a fetal vascular shunt that is located between the main pulmonary artery and the aorta. Oxygenated fetal blood from the placenta is shunted past the uninflated fetal lungs, crosses the DA, and is then available to the peripheral organs. In utero closure of the DA is deleterious, but postnatal closure of the DA is necessary for establishment of pulmonary circulation and the transition to newborn life. We used microarrays to compare ductus arteriosis (DA) and aortic gene expression at a single time point (day 19 of gestation, which is the day of expected delivery). DA and corresponding aortic vascular segments from fetal mice on day 19 of gestation were collected from every pup in a litter (up to the first 10 pups). These samples were pooled and considered representative of the DA's or aortas from one pregnant female. Tissues were homogenized via 27g needle, per GentraSystems Versagene kit

2014-08-05 | E-GEOD-51664 | biostudies-arrayexpress

Transcription profiling of rat ductus arteriosus and aorta for comparison of pre and post birth oxygen effects

2007-06-28 | E-GEOD-3290 | biostudies-arrayexpress

Comparisons of the transcriptional profiles between rat aorta and ductus arteriosus

Project description:The transcriptional profiles of the aorta and the ductus arteriosus during development were compared. Keywords: time course, development, tissue type comparison

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Expression data from endthelial cells in ductus arteriosus and aorta in rat fetuses or neonates

Project description:Endothelial cells (Ecs) lining the blood vessels have been known to have a variety of functions and play a central role in homeostasis of the circulatory system. Since ductus arteriosus (DA) has unique characteristics comparing other vessels, we hypothesized that ECs were the primary target to investigate the molecular mechanisms of DA-specific vasoconstriction and vascular remodeling. Using fluorescence activated cell sorter, we isolated ECs from pooled tissues from the DA or the aorta of Wistar rat fetuses on the 21st day of gestation (e21) or 30 minutes after birth (day0). We prepared 3 sets of ECs in each tissues and time points. We aimed to compare the gene profiles of DA and the aorta at each developmental stage.

2013-10-01 | E-GEOD-40500 | biostudies-arrayexpress

Microarray gene expression analysis in ovine ductus arteriosus during fetal development and birth transition.

Project description:Patent ductus arteriosus (PDA) in the newborn is the most common congenital heart anomaly, and is significantly more common in preterm infants. Contemporary pharmacological treatment is effective in only 70 to 80% of the cases. Moreover, indomethacin or ibuprofen, which are used to close a PDA may be accompanied by serious side effects in premature infants. To explore the novel molecular pathways, which may be involved in the maturation and closure of the ductus arteriosus (DA), we used fetal and neonatal sheep to test the hypothesis that maturational development of DA is associated with significant alterations in specific mRNA expression.

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Dlx1 and Rgs5 in the Ductus Arteriosus: Vessel-specific Genes Identified by Transcriptional Profiling of Laser-capture Microdissected Endothelial and Smooth Muscle Cells

Project description:Closure or patency of the ductus arteriosus is a critical event in neonatal life. We aimed to identify genes that are specifically expressed in the ductus arteriosus versus (the non-closing) aorta Gene expression profiling of laser-captured microdissected cells offers the opportunity to study gene expression profiles in cells of different embryonic origin Comparative microarray analysis of laser-capture dissected endothelial and smooth muscle cells of the rat ductus arteriosus and aorta at embryonic age E18 and E21.

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