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RNA sequencing data of Ing4 Ing5 compound mutant embryonic mouse hearts (ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development)

ABSTRACT: RNA sequencing data of Ing4 Ing5 compound mutant embryonic mouse hearts (ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development)

PROVIDER: PRJNA1032879 | ENA |

REPOSITORIES: ENA

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RNA sequencing data of Ing4;Ing5 compound mutant embryonic mouse hearts (ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development)

Project description:Inhibitor of growth 4 and 5 (ING4 and ING5) are chromatin-binding proteins in the KAT6A, KAT6B and KAT7 histone acetyltransferase protein complexes. Heterozygous mutations in the KAT6A or KAT6B gene cause human disorders with cardiac defects, but the contribution of their chromatin adaptor proteins to development is unknown. We found that Ing5-/- mice had isolated cardiac ventricular septal defects. ING4 and ING5 are structurally similar proteins, suggesting a degree of redundancy. Combined loss of ING4 and ING5 caused developmental arrest at embryonic day E8.5, loss of histone H3 lysine 14 acetylation (H3K14ac) and a reduction in H3K23ac levels. Ing4+/-Ing5-/- hearts showed a paucity of epicardial cells and epicardium-derived cells, failure of myocardium compaction and coronary vasculature defects, accompanied by a reduction in the expression of epicardium genes. Our findings suggest that ING4 and ING5 are essential for heart development and promote epicardium and epicardium-derived cell fates and mutation of the human ING5 gene as a possible cause of isolated ventricular septal defects.

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RNA sequencing data of Ing4;Ing5 double knock-out embryonic mouse hearts

Project description:Inhibitor of growth 4 and 5 (ING4 and ING5) are chromatin-binding proteins in the KAT6A, KAT6B and KAT7 histone acetyltransferase protein complexes. Heterozygous mutations in the KAT6A or KAT6B gene cause human disorders with cardiac defects, but the contribution of their chromatin adaptor proteins to development is unknown. We found that Ing5–/– mice had isolated cardiac ventricular septal defects. ING4 and ING5 are structurally similar proteins, suggesting a degree of redundancy. Combined loss of ING4 and ING5 caused developmental arrest at embryonic day E8.5, loss of histone H3 lysine 14 acetylation (H3K14ac), a reduction in H3K23ac levels and disruption of developmental gene expression in Ing4–/–Ing5–/– compared to control embryos. E12.5 Ing4+/–Ing5–/– hearts showed a paucity of epicardial cells and epicardium-derived cells, failure of myocardium compaction and coronary vasculature defects, accompanied by a reduction in the expression of epicardium genes compared to control hearts. In addition, a reduction in the expression of genes required for cell adhesion, both in whole E8.75 Ing4–/–Ing5–/– embryos and in E10.5 Ing4+/–Ing5–/– hearts compared to controls was observed. In vitro assessment of fibroblast and proepicardium explants revealed cell spreading and outgrowth defects. Our findings suggest that ING4 and ING5 are essential for heart development and promote epicardium and epicardium-derived cell fates and mutation of the human ING5 gene as a possible cause of isolated ventricular septal defects.

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ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development

Project description:ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development

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RNA sequencing data of Ing4 Ing5 double knock-out embryonic mouse hearts

Project description:RNA sequencing data of Ing4 Ing5 double knock-out embryonic mouse hearts

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Project description:RNA sequencing data of Kat6a (Moz) mutant embryonic mouse hearts (ING4 and ING5 are essential for histone H3 lysine 14 acetylation and epicardial cell lineage development)

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Genome-wide analysis of epicardial gene expression in E11.5 mouse hearts

Project description:Identification of epicardium-enriched genes in the embryonic heart. The epicardium encapsulates the heart and functions as a source of multipotent progenitor cells and paracrine factors essential for cardiac development and repair. Injury of the adult heart results in re-activation of a developmental gene program in the epicardium, but the transcriptional basis of epicardial gene expression has not been delineated. We established a mouse embryonic heart organ culture and gene expression system that facilitated the identification of epicardial enhancers activated during heart development and injury. Epicardial activation of these enhancers depends on a combinatorial transcriptional code centered on CCAAT/enhancer binding protein (C/EBP) transcription factors. Disruption of C/EBP signaling in the adult epicardium reduced injury-induced neutrophil infiltration and improved cardiac function. These findings reveal a transcriptional basis for epicardial activation and heart injury, providing a platform for enhancing cardiac regeneration. Total RNA obtained from lacZ-positive epicardial cells isolated from the E11.5 Tcf21lacZ hearts compared to total dissociated heart cells

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Project description:Epicardial cells undergo an epithelial-to-mesenchymal transtion (EMT) to generate coronary vascular smooth muscle cells (VSMC) and cardiac fibroblasts. Little is known about the mechanisms regulating EMT or the in vivo signals directing epicardial-derived cell (EPDC) fate. Here, we show that loss of PDGF signaling leads to a disruption in Sox9 expression, and when Sox9 expression was restored in mutant hearts, the EMT defect was rescued. Interestingly, mutants lacking only one of the PDGF genes exhibited a lineage specific requirement for the individual receptors. Loss of PDGFRα resulted in a deficit in cardiac fibroblast formation, while cVSMC development was unperturbed. Conversely, PDGFRβ was required for cVSMC development but not cardiac fibroblast development. Combined, our data demonstrate a novel role for PDGF receptors in epicardial EMT and EPDC development. GSM671723-GSM671724: Total RNA was isolated from E12.5 control and PDGF receptor epicardial knockout hearts using the Trizol reagent. RNA was processed as per manufacturer's instructions (Illumina Gene expression array, Illumina, inc. San Diego, CA, USA) GSM671877-GSM671882: Total RNA was isolated from E12.5 control and PDGF receptor epicardial knockout primary epicardial cultures using the Trizol reagent. RNA was processed as per manufacturer's instructions (Illumina Gene expression array, Illumina, inc. San Diego, CA, USA)

2011-02-28 | E-GEOD-27181 | biostudies-arrayexpress

RNA-seq of CCBE1 KO and WT murine hearts

Project description:CCBE1 is a secreted extracellular matrix protein expressed by epicardial cells but its role during epicardial development was still unknown.Using a Ccbe1 knockout (KO) mouse model, we observed that loss of CCBE1 leads to congenital heart defects including thinner and hyper-trabeculated ventricular myocardium. In addition, Ccbe1 mutant hearts displayed reduced proliferation of cardiomyocyte and epicardial cells. RNA-seq data of CCBE1 KO and WT murine hearts indicated deregulation of genes associated with development and morphogenesis including the epithelial-to-mesenchymal transition.

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Comparison of gene expression data between control and tissue specific epicardial PDGF receptor (a and b) knockout embryonic hearts

2011-02-28 | GSE27181 | GEO