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Decoding the Long Noncoding RNA during Cardiac Maturation: a Roadmap for Functional Discovery [lncRNA]

ABSTRACT: Cardiac maturation during perinatal transition of heart is critical for functional adaptation to hemodynamic load and nutrient environment. Perturbation in this process has major implications in congenital heart defects (CHDs). Transcriptome programming during perinatal stages is important information but incomplete in current literature, particularly, the expression profiles of the long noncoding RNAs (lncRNAs) are not fully elucidated

ORGANISM(S): Mus musculus

PROVIDER: GSE85726 | GEO | 2016/08/20

SECONDARY ACCESSION(S): PRJNA339479

REPOSITORIES: GEO

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Decoding the Long Noncoding RNA during Cardiac Maturation: a Roadmap for Functional Discovery [RNA]

2016-08-20 | GSE85727 | GEO

Decoding the Long Noncoding RNA during Cardiac Maturation: a Roadmap for Functional Discovery [lncRNA]

Project description:Cardiac maturation during perinatal transition of heart is critical for functional adaptation to hemodynamic load and nutrient environment. Perturbation in this process has major implications in congenital heart defects (CHDs). Transcriptome programming during perinatal stages is important information but incomplete in current literature, particularly, the expression profiles of the long noncoding RNAs (lncRNAs) are not fully elucidated From comprehensive analysis of transcriptomes derived from neonatal mouse heart left and right ventricles, a total of 45,167 unique transcripts were identified, including 21,916 known and 2,033 novel lncRNAs. Among these lncRNAs, 196 exhibited significant dynamic regulation along maturation process. By implementing parallel weighted gene co-expression network analysis (WGCNA) of mRNA and lncRNA datasets, several lncRNA modules coordinately expressed in a developmental manner similar to protein coding genes, while a few of them revealed chamber specific patterns. Out of 2,442 lncRNAs located within 50 KBs of protein coding genes, 11% significantly correlates with the expression of their neighboring genes. The impact of Ppp1r1b-lncRNA on the corresponding partner gene Tcap was validated in cultured myoblasts. While this concordant regulation was also conserved in human infantile hearts. Furthermore, the Ppp1r1b-lncRNA/Tcap expression ratio was identified as a molecular signature that differentiated CHD phenotypes lncRNA dataset: neonatal mouse heart left and right ventricles

2016-08-20 | E-GEOD-85726 | biostudies-arrayexpress

Decoding the Long Noncoding RNA during Cardiac Maturation: a Roadmap for Functional Discovery [RNA]

Project description:Cardiac maturation during perinatal transition of heart is critical for functional adaptation to hemodynamic load and nutrient environment. Perturbation in this process has major implications in congenital heart defects (CHDs). Transcriptome programming during perinatal stages is important information but incomplete in current literature, particularly, the expression profiles of the long noncoding RNAs (lncRNAs) are not fully elucidated From comprehensive analysis of transcriptomes derived from neonatal mouse heart left and right ventricles, a total of 45,167 unique transcripts were identified, including 21,916 known and 2,033 novel lncRNAs. Among these lncRNAs, 196 exhibited significant dynamic regulation along maturation process. By implementing parallel weighted gene co-expression network analysis (WGCNA) of mRNA and lncRNA datasets, several lncRNA modules coordinately expressed in a developmental manner similar to protein coding genes, while a few of them revealed chamber specific patterns. Out of 2,442 lncRNAs located within 50 KBs of protein coding genes, 11% significantly correlates with the expression of their neighboring genes. The impact of Ppp1r1b-lncRNA on the corresponding partner gene Tcap was validated in cultured myoblasts. While this concordant regulation was also conserved in human infantile hearts. Furthermore, the Ppp1r1b-lncRNA/Tcap expression ratio was identified as a molecular signature that differentiated CHD phenotypes RNA dataset: neonatal mouse heart left and right ventricles

2016-08-20 | E-GEOD-85727 | biostudies-arrayexpress

Increased Hemodynamic Load in Early Embryonic Stages Alters Endocardial to Mesenchymal Transition

Project description:Normal blood flow is essential for proper heart formation during embryonic development, as abnormal hemodynamic load (blood pressure and shear stress) results in cardiac defects seen in congenital heart disease. However, the progressive detrimental remodeling processes that relate altered blood flow to cardiac defects remain unclear. Outflow tract banding was used to increase hemodynamic load in the chicken embryo heart between Hamburger and Hamilton stages 18 and 24. Increased hemodynamic load induced increased cell density in outflow tract cushions, fewer cells along the endocardial lining, endocardium junction disruption, and altered periostin expression as measured by confocal microscopy analysis. Proteomic mass-spectrometry analysis quantified altered protein composition after banding.

2018-10-26 | PXD005362 | Pride

Increased Hemodynamic Load in Early Embryonic Stages Alters Endocardial to Mesenchymal Transition

2019-07-17 | MSV000084103 | MassIVE

Decoding the Long Noncoding RNA During Cardiac Maturation: A Roadmap for Functional Discovery.

Project description: Not available

| S-EPMC5085833 | biostudies-literature

Chemical inhibition of immune signaling rescues defects during heart development in Down syndrome via regulating canonical Wnt pathway

Project description:Congenital heart defects (CHDs) are very frequent in children with Down syndrome (DS), the genetic condition caused by trisomy of chromosome 21 (T21). However, the mechanisms by which T21 causes susceptibility to CHDs are poorly understood. Here, using a combination of human induced pluripotent stem cell (iPSC)-based model and Dp(16)1Yey/+ (Dp16) a mouse model of DS, we identified downregulation of canonical Wnt signaling that is caused by increased dosage of interferon (IFN) receptors encoded on chromosome 21 (HSA21) as a causative factor of CHDs in DS. We differentiated human iPSCs derived from individuals with DS as well as CHDs (DS/CHD iPSCs), and controls (control iPSCs) into cardiac cells. We observed that T21 upregulates IFN signaling, downregulates the canonical WNT pathway, and impairs cardiac differentiation. Furthermore, genetic and pharmacological normalization of IFN pathways restored canonical WNT signaling and rescued defects during cardiac differentiation of DS/CHD iPSCs. Strikingly, treatment with an inhibitor of Janus kinase, which is activated by IFN receptor engagement normalized the canonical Wnt pathway and ameliorated CHDs in Dp16 embryos. Our findings provide new mechanisms underlying CHDs in DS, ultimately aiding the development of novel therapeutic strategies.

2023-06-28 | GSE217557 | GEO

A roadmap for metagenomic enzyme discovery

Project description: Not available

| S-EPMC8597712 | biostudies-literature

Integration of Protein Interactome Data with Congenital Heart Disease Variants Reveals Disease Genes

Project description:Congenital Heart Disease (CHD) accounts for 1% of birth defects, and while large-scale genetic studies have uncovered genes associated with CHDs, identifying causal mutations remains a challenge. We hypothesized that genetic determinants for CHDs could be found in the protein interactomes of GATA4 and TBX5, two cardiac transcription factors (TFs) associated with CHDs. Defining their interactomes in human cardiac progenitors via affinity purification-mass spectrometry and integrating the results with genetic data from the Pediatric Cardiac Genomic Consortium (PCGC) revealed an enrichment of de novo variants among proteins that interact with GATA4 or TBX5. A consolidative score designed to prioritize TF interactome members based on distinctive variant, gene and proband features identified numerous likely CHD-causing genes, including the epigenetic reader GLYR1. GLYR1 and GATA4 widely co-occupied cardiac developmental genes resulting in co-activation and the GLYR1 variant associated with CHD disrupted interaction with GATA4. This integrative proteomic and genetic approach provides a framework for prioritizing and interrogating the contribution of genetic variants in CHD and can be extended to other genetic diseases.

2022-07-05 | PXD022091 | Pride

Essential role of MESP1-RING1A complex in cardiac differentiation

Project description:Heart development is controlled by a complex transcriptional network composed of transcription factors and epigenetic regulators. Mutations in key developmental transcription factor MESP1, and chromatin factors such as PRC1 and cohesin components have been found in human congenital heart diseases (CHDs), although, their functional mechanism during heart development remains elusive. Here we find MESP1 interacts with RING1A/RING1, the core component of PRC1. RING1A depletion impairs human cardiomyocyte differentiation, and similar cardiac abnormalities were observed in Ring1A knockout mice as in patients with MESP1 mutations. Mechanistically, MESP1 associates with RING1A to activate cardiogenic genes through promoter-enhancer interactions mediated by cohesin and CTCF, and histone acetylation mediated by p300. Importantly, CHD mutations of MESP1 significantly affect such mechanisms and impair target gene activation. Together, our results demonstrate the importance of MESP1-RING1A complex in heart development and provide insights into pathogenic mechanisms of CHDs caused by mutations in MESP1, PRC1 and cohesin components.

2022-10-17 | GSE188721 | GEO

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