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Global MEF2 target gene analysis in cardiac and skeletal muscle reveals novel regulation of DUSP6 by p38MAPKMEF2 signaling [RNA-seq]

ABSTRACT: Identfification of MEF2A target genes using ChIP-exo and RNA-seq in skeletal muscle and primary cardiomyocytes. MEF2 plays a profound role in the regulation of transcription in cardiac and skeletal muscle lineages. To define the overlapping and unique MEF2A genomic targets, we utilized ChIP-exo analysis of cardiomyocytes and skeletal myoblasts. Of the 2783 and 1648 MEF2A binding peaks in skeletal myoblasts and cardiomyocytes, respectively, 294 common binding sites were identified. Genomic targets were compared to differentially expressed genes in RNA-seq analysis of MEF2A depleted myogenic cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE61205 | GEO | 2014/09/09

SECONDARY ACCESSION(S): PRJNA260505

REPOSITORIES: GEO

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Global MEF2 target gene analysis in cardiac and skeletal muscle reveals novel regulation of DUSP6 by p38MAPKMEF2 signaling [ChIP-seq]

Project description:Identfification of MEF2A target genes using ChIP-exo in skeletla muscle and primary cardiomyocytes. Identfification of MEF2A target genes using ChIP-exo and RNA-seq in skeletal muscle and primary cardiomyocytes. MEF2 plays a profound role in the regulation of transcription in cardiac and skeletal muscle lineages. To define the overlapping and unique MEF2A genomic targets, we utilized ChIP-exo analysis of cardiomyocytes and skeletal myoblasts. Of the 2783 and 1648 MEF2A binding peaks in skeletal myoblasts and cardiomyocytes, respectively, 294 common binding sites were identified. Genomic targets were compared to differentially expressed genes in RNA-seq analysis of MEF2A depleted myogenic cells.

2014-09-09 | GSE61204 | GEO

Global MEF2 target gene analysis in cardiac and skeletal muscle reveals novel regulation of DUSP6 by p38MAPKMEF2 signaling [ChIP-seq]

2014-09-09 | E-GEOD-61204 | biostudies-arrayexpress

Global MEF2 target gene analysis in cardiac and skeletal muscle reveals novel regulation of DUSP6 by p38MAPKMEF2 signaling [RNA-seq]

Project description:Identfification of MEF2A target genes using ChIP-exo and RNA-seq in skeletal muscle and primary cardiomyocytes. MEF2 plays a profound role in the regulation of transcription in cardiac and skeletal muscle lineages. To define the overlapping and unique MEF2A genomic targets, we utilized ChIP-exo analysis of cardiomyocytes and skeletal myoblasts. Of the 2783 and 1648 MEF2A binding peaks in skeletal myoblasts and cardiomyocytes, respectively, 294 common binding sites were identified. Genomic targets were compared to differentially expressed genes in RNA-seq analysis of MEF2A depleted myogenic cells. The effect of MEF2A gene silencing on gene expression in myoblasts was assessed at 48 hr DM. Up and downregulated genes were then compared to MEF2A target genes identified in ChIP-exo analysis of 48 hr DM C2C12 myoblasts cells and primary cardiomyocytes.

2014-09-09 | E-GEOD-61205 | biostudies-arrayexpress

Genome-wide mapping of MEF2A binding sites by CUT&Tag-seq in chicken primary myoblasts

Project description:In this study, CUT&Tag-seq technology was employed to investigate MEF2A binding sites across the entire genome of chicken primary myoblasts. CUT&Tag was performed using CUT&Tag Assay Kit for Illumina Pro (TD904-1) from Vazyme. Antibody targeting MEF2A as well as IgG were used.The final DNA library on a HiSeq PE150 platform was subjected for the analyses. This study provides a wide landscape of MEF2A target genes from chicken primary myoblasts, which supports the active role of MEF2A in avian muscle development.

2023-12-05 | GSE249097 | GEO

Cardiac Transcriptome Dynamics and MEF2 Function in Response to Chronic β-Adrenergic Blockade During Heart Failure

Project description:1) Profiling RNA expression in mice with surgically induced pressure overload (Transverase aortic contriction aka TAC) and/or Atenolol (AT) treated mice. 2)Profiling RNA expression in MEF2A depleted cardiomyocytes.

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Dysregulated gene expression in Mef2a knockout mice subjected to cardiotoxin-induced muscle injury

2013-02-12 | GSE41871 | GEO

Dysregulated gene expression in Mef2a knockout mice subjected to cardiotoxin-induced muscle injury

Project description:We identified genes expressed in mouse skeletal muscle, during the process of muscle regeneration after injury, which are dysregulated in the absence of Mef2a expression. MEF2A is a member of the evolutionarily conserved MEF2 transcription factor family which has known roles in cardiac muscle development and function, but is not well studied in skeletal muscle. We performed a comparison of gene expression profiles in wild type and MEF2A knockout tibialis anterior muscle, seven days post-injury with cardiotoxin. The results indicated that a variety of genes expressed during muscle regeneration, predominantly microRNAs in the Gtl2-Dio3 locus, are dysregulated by the loss of MEF2A expression. Skeletal muscle RNA used in the present study included the following two sample groups: (WT) pooled total RNA from tibialis anterior muscle taken from 5 wild type mice at seven days post-injury with 10uM cardiotoxin; (KO) pooled total RNA from tibialis anterior muscle taken from 5 Mef2a knockout mice at seven days post-injury with 10uM cardiotoxin. All mice were between 2-4 months of age. Both male and female mice were used.

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The mRNA-binding proteome of proliferating and differentiated muscle cells

Project description:Muscle formation is a coordinated process driven by extensive gene expression changes where single cells fuse together to form multinucleated muscle fibers. Newly synthesized mRNAs are then regulated by RNA binding proteins(RBPs)affecting post-transcriptional transcripts metabolism. We determined how large gene expression changes affect the catalog of RBPs by studying proliferating and differentiated muscle cells in healthy and dystrophic conditions. Transcriptomic analysis showed that the expression of more than 7000 genes was affected during myogenesis. We identified 769 RBPs, of which 294 were muscle specific and 49 were uniquely shared with cardiomyocytes. A subset of 32 RBPs (half of which was muscle specific) showed preferential loading on target mRNAs in either myoblasts or myotubes. A large proportion of catalytic proteins was bound to mRNAs even though they lack classical RNA binding domains. Finally we show how the identification of cell specific RBPs enabled the identification biomarkers that can separate healthy individuals from dystrophic patients. Our data show how interactome data can shed light on new basic RNA biology as well as provide cell specific data that can be used for diagnostic purposes.

2020-06-09 | PXD015471 | Pride

Dysregulated gene expression in cardiac chambers of adult Mef2a knockout mice

Project description:In this study, we have identified MEF2A-sensitive genes in atrial and ventricular chambers of the adult heart. MEF2A is a member of the myocyte enhancer factor 2 (MEF2) family of transcription factors. MEF2 proteins are expressed in skeletal and cardiac muscle tissues and are conserved across many mammalian species, but the gene programs regulated by MEF2A in adult cardiac chambers are largely unknown. We compared gene expression profiles between WT and Mef2a knockout atria and ventricles from adult mice, and the results identified distinct and overlapping sets of genes sensitive to the loss of MEF2A in the adult heart.

2017-10-25 | GSE95364 | GEO

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