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Expression data from C2C12 cells with or without Smad3 overexpression

ABSTRACT: The goal of this study was to identify genes in C2C12 myoblasts whose expression was altered by overexpression of Smad3.

ORGANISM(S): Mus musculus

PROVIDER: GSE30459 | GEO | 2011/10/21

SECONDARY ACCESSION(S): PRJNA143549

REPOSITORIES: GEO

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Expression data from C2C12 cells with or without Smad3 overexpression

Project description:The goal of this study was to identify genes in C2C12 myoblasts whose expression was altered by overexpression of Smad3. Four total samples were analyzed. Two biological replicates were prepared from C2C12 cells infected with retroviral vector encoding wildtype Smad3 and exposed for 24 hours to 100 pM TGF-β. Two biological replicates were prepared from C2C12 cells infected with a control retrovirus that did not encode Smad3 (empty vector, EV) and exposed for 24 hours to 100pM TGF-β. To identify genes with altered expression between empty vector controls and cells overexpressing wild-type Smad3, we first pre-processed the four arrays using robust multiarray averaging as implemented in the R software package ‘xps’, version 1.10.2 (http://www.bioconductor.org/packages/release/bioc/html/xps.html). This preprocessing corrects for background noise and array effects, and aggregates probe data to 28,836 genes. Duplicates were averaged on the base-2 logarithm scale, and then we took differences between the averages to obtain logarithm-scale fold changes. Genes were selected which showed at least a two-fold change (raw scale) between wild-type and empty vector expressing cells. Due to the limited sample size, we did not apply any statistical tests to estimate false-discovery rate. This resulted in 79 genes that were at least two-fold higher in the wild-type Smad3-expressing C2C12 cells compared to empty vector cells and 25 genes that were at least two-fold lower in the wild-type Smad3-expressing cells than the in the empty vector cells.

2011-10-20 | E-GEOD-30459 | biostudies-arrayexpress

Gene Expression Profiling of siRNA Knockdown and overexpression of SMYD3 in C2C12

Project description:Members of the SMYD family of Histone Lysine Methyltransferases, including SMYD3, were shown to be involved in both cardiac and skeletal myogenesis. Currently, very little is known about their mechanisms of action and their potential target genes. To study the cellular and molecular function of SMYD3 in skeletal muscle differentiation, we used loss and gain of function approaches in C2C12 myoblasts. We used RNA sequencing (RNA-seq) to generate gene expression profiling during myogenic differentiation under SMYD3 transient knockdown by siRNAs or SMYD3 stable overexpression in C2C12. We identified multiple genes whose expression is significantly affected by Smyd3 levels, among them the key myogenic regulatory factor (MRF) Myogenin.

2019-09-25 | GSE137954 | GEO

Effect of Mirn378 overexpression on gene expression during C2C12 myogenic and BMP2-induced osteogenic differentiation

Project description:Background: MicroRNAs (miRNAs) are a family of small, non-coding single-stranded RNA molecules involved in post-transcriptional regulation of gene expression. As such, they are believed to play a role in regulating the step-wise changes in gene expression patterns that occur during cell fate specification of multipotent stem cells. Here, we have studied whether terminal differentiation of C2C12 myoblasts is indeed controlled by lineage-specific changes in miRNA expression. Results: Using a previously generated RNA polymerase II (Pol-II) ChIP-on-chip dataset, we show differential Pol-II occupancy at the promoter regions of six miRNAs during C2C12 myogenic versus BMP2-induced osteogenic differentiation. Overexpression of one of these miRNAs, miR-378, enhances Alp activity, calcium deposition and mRNA expression of osteogenic marker genes in the presence of BMP2. Conclusions: Our results demonstrate a previously unknown role for miR-378 in promoting BMP2-induced osteogenic differentiation. Stable C2C12 cell lines C2C12-pMirn0 and C2C12-pMirn378 were generated by lentiviral transduction of C2C12 myoblasts with a Mirn378-overexpression construct and its parent vector, respectively. C2C12-pMirn0 and C2C12-pMirn378 cells were plated at 2.5 x 10^4 cells/cm2 (day -1), cultured for 1 day in DMEM 10%NCS, then (d0) treated with or without 300 ng/ml bone morphogenetic protein 2 (BMP2) for 6 days. RNA was extracted on d0, d3 and d6 and hybridized to GeneChip Mouse Genome 430 2.0 array (Affymetrix).

2014-01-28 | E-GEOD-51883 | biostudies-arrayexpress

circRNA expression in C2C12 myoblasts and myotubes

Project description:To determine the circRNA expression profile in C2C12 myoblasts and myotubes, we used mouse circRNA microarray from Arraystar to examine the expression of circRNAs in C2C12 myoblasts and myotubes.

2021-03-19 | GSE112014 | GEO

lncRNA expression in C2C12 myoblasts and myotubes

Project description:To determine the lncRNA expression profile in C2C12 myoblasts and myotubes, we used mouse lncRNA microarray from Arraystar to examine the expression of lncRNAs in C2C12 myoblasts and myotubes.

2020-02-18 | GSE101499 | GEO

Effect of ATF4 overexpression on mRNA levels in differentiated C2C12 myotubes.

Project description:ATF4 is a bZIP transcription factor that that promotes skeletal muscle atrophy. The goal of these studies was to determine the effects of ATF4 overexpression on mRNA levels in differentiated C2C12 myotubes. For additional details see Ebert et al, Stress-Induced Skeletal Muscle Gadd45a Expression Reprograms Myonuclei and Causes Muscle Atrophy. JBC epub. June 12,2012 C2C12 myotubes were infected with adenovirus co-expressing eGFP and ATF4-FLAG. Control myotubes were infected with adenovirus co-expressing eGFP and a transcriptionally inactive ATF4 construct (ATF4∆bZIP).

2012-09-15 | E-GEOD-39194 | biostudies-arrayexpress

Effect of ATF4 overexpression on mRNA levels in differentiated C2C12 myotubes.

2012-09-15 | GSE39194 | GEO

Phosphoproteomics of C2C12 differentiation

Project description:Phosphoproteomic analysis of myogenesis in C2C12 myoblasts differentiating into myotubes. Four time points were analysed (0min, 30min, 24h and 5d) with four biological replicates.

2024-01-26 | PXD023413 | Pride

RNAseq of C2C12 murine myoblasts

Project description:RNAseq of C2C12 murine myoblasts

| PRJEB57176 | ENA

LaminB1 DamID in undifferentiated mouse C2C12 myoblasts (ATCC, Lot 59501261) and differentiated C2C12 myotubes

Project description:Maps of genomic regions in proximity to the nuclear lamina were determined in undifferentiated C2C12 myoblasts (MBs) and 6 day differentiated C2C12 myotubes (MTs) using DamID with a Dam-Lamin B1-encoding lentivirus.

2016-06-17 | GSE80328 | GEO

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