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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Atrial Identity Is Determined by A COUP-TFII Regulatory Network

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: San-pin Wu

PROVIDER: E-GEOD-46498 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Atrial identity is determined by a COUP-TFII regulatory network.

Wu San-pin SP Cheng Chiang-Min CM Lanz Rainer B RB Wang Tiannan T Respress Jonathan L JL Ather Sameer S Chen Wen W Tsai Shaw-Jenq SJ Wehrens Xander H T XH Tsai Ming-Jer MJ Tsai Sophia Y SY

Developmental cell 20130501 4

Atria and ventricles exhibit distinct molecular profiles that produce structural and functional differences between the two cardiac compartments. However, the factors that determine these differences remain largely undefined. Cardiomyocyte-specific COUP-TFII ablation produces ventricularized atria that exhibit ventricle-like action potentials, increased cardiomyocyte size, and development of extensive T tubules. Changes in atrial characteristics are accompanied by alterations of 2,584 genes, of ...[more]

PMID: 23725765

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Atrial Identity Is Determined by A COUP-TFII Regulatory Network (RNA)

Project description:Atria and ventricles exhibit distinct molecular profiles that produce structural and functional differences between the two cardiac compartments. However, factors that determine these differences remain largely undefined. Cardiomyocyte-specific COUP- TFII ablation produces ventricularized atria that exhibit ventricle-like action potentials, increased cardiomyocyte size, and development of extensive T-tubules. We used microarrays to examine the molecular profile of cardiomyocyte-specific COUP-TFII knockout adult atria in comparison with that of normal atria. We extracted RNA from mutant right atria, control right atria and control ventricles from 2 months old adult mice, followed by gene expression profiling using Affymetrix microarrays.

2013-06-07 | E-GEOD-46496 | biostudies-arrayexpress

Expression profile of COUP-TFII overexpressing hearts

Project description:Increased COUP-TFII levels are found in human dilated cardiomyopathy as well as in mouse models that develop cardiomyopathy. COUP-TFII overexpression in adult mouse hearts caused ventricular dilation and compromised cardiac functions. To gain insights on COUP-TFII’s effect in hearts, we identified the molecular profile of COUP-TFII overexpressing hearts through microarray analysis. The result may shred light on molecular mechanisms that mediate development of dilated cardiomyopathy. We utilized a previously established CAG-S-COUP-TFII allele and crossed it with the Myh6-MerCreMer (Myh6-MCM) line to overexpress COUP-TFII specifically in cardiomyocytes at two months of age by administration of tamoxifen. The experimental group has genotype of Myh6-MCM; CAG-S-COUP-TFII while the control group consists of Myh6-MCM mice (Figure 1C). Whole ventricles were harvested 16 days post induction for molecular profiling.

2015-07-24 | E-GEOD-63759 | biostudies-arrayexpress

Atrial Identity Is Determined by A COUP-TFII Regulatory Network (ChIP-Seq)

Project description:Embryonic cardiomyocytes possess the plasticity to choose between atrial and ventricular fates. For a limited window of time, the transcription factor COUP-TFII (Nr2f2) sufficiently and essentially confers the atrial identity through direct and indirect regulation of nearly half of chamber specific genes. Examination of COUP-TFII binding sites in embryonic artia

2013-06-07 | E-GEOD-46497 | biostudies-arrayexpress

Expression data from control and COUP-TFII siRNA treated PC3 cells

Project description:COUP-TFII, a member of the nuclear receptor superfamily plays a critical role in angiogenesis and organogenesis during embryonic development. Our results indicate that COUP-TFII expression is profoundly upregulated in prostate cancer patients and might serves as biomarker for recurrence prediction. Thus we conduct transcriptome comparison of control and COUP-TFII depleted PC3 cells to gain genomic insights on the biological processes that COUP-TFII is involved in prostate cancer cells. Ingenuity Pathway Analysis (IPA) shows that the most prominent altered pathways in the COUP-TFII depleted cells are related to cell growth; cell cycle progression and DNA damage response. Indeed many growth related genes including E2F1, p21, CDC25A, Cyclin A and Cyclin B are changed in COUP-TFII knockdown cells, suggesting that COUP-TFII might be an important regulator for prostate cancer cell growth. Further functional assays from cells and mice genetic studies confirm the hypothesis that COUP-TFII serve as the major regulator to control prostrate cancer growth. Together, results provide insight into the role of COUP-TFII in prostate tumorigenesis. PC3 Cells were transfected with siRNA (Control or COUP-TFII siRNA) duplexes (40 nM) and total RNA was isolated 48 hours later.

2011-10-24 | E-GEOD-33182 | biostudies-arrayexpress

COUP-TFII in Health and Disease.

Project description: Not available

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Genome-wide Profiling of NR2F2 (COUP-TFII) Binding in Human Endometrial Stromal Cells [ChIP-Seq]

Project description:ChickenM-BM- ovalbumin upstream promoter-transcription factor II (COUP-TFII; NR2F2) is an orphan nuclear receptor involved in cell-fate specification, organogenesis, angiogenesis and metabolism. Ablation of COUP-TFII in the mouse uterus causes infertility due to defects in embryo attachment and impaired uterine stromal cell decidualization. Although the function of COUP-TFII in uterine decidualization has been described in mice, its role in the human uterus remains unknown. To better elucidate the mechanisms with which COUP-TFII regulates target gene transcription, genome-wide COUP-TFII binding sites in human endometrial stromal cells (HESC) treated with deciduogenic hormones were identified using ChIP-seq. A total of 16,298 intervals (binding regions) for COUP-TFII were identified compared with the input in HESC chromatin with a very low false discovery rate (0.17%) using a stringent cutoff of p =1x10-10. Distribution of intervals showed that more than half (58.6%) of the COUP-TFII binding sites are located within 10 kb of gene boundaries. 7.5% of total intervals reside within the 10 kb promoter region. A total of 6,077 unique genes were identified to have COUP-TFII binding sites within 10 kb of their gene boundaries. Examination of NR2F2 binding in pooled primary human endometrial stromal cells from 6 healthy women upon decidualization with a hormone cocktail of cAMP, E2 and medroxyprogesterone acetate.

2013-11-02 | E-GEOD-52008 | biostudies-arrayexpress

Expression data from control and COUP-TFII siRNA treated HUVEC cells

Project description:COUP-TFII plays a critical role in angiogenesis during development. It has also been shown to suppress Notch signaling pathway to confer vein identity. However, the downstream targets and the mechanism mediate COUP-TFII function to regulate these processes remain elusive. To identify the downstream targets and the mechanism by which COUP-TFII regulates agiogenesis and vein specification, we knocked down COUP-TFII in HUVEC cells using COUP-TFII specific siRNA and used microarray analysis to identify downstream targets. Interestingly, we found the expression of many genes in the cell cycle pathway and Notch signaling pathway are significantly altered in the COUP-TFII depleted cells. HUVEC Cells were transfected with siRNA (Control or COUP-TFII siRNA) duplexes (50 nM) and total RNA was isolated 48 hours later.

2011-10-27 | E-GEOD-33301 | biostudies-arrayexpress

COUP-TFII expressing interneurons in human fetal forebrain.

Project description: Not available

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COUP-TFII regulates satellite cell function and muscular dystrophy.

Project description: Not available

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COUP-TFII controls amygdala patterning by regulating neuropilin expression.

Project description: Not available

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