Transcriptomic profiling of wild-type C2C12 cells and C2C12 cells with Myod1 gene knockout by RNA-sequencing
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE137507 | GEO | 2021/01/27
REPOSITORIES: GEO
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Project description:This study profiled the expression of miRNA during myogenesis of the C2C12 mouse myoblast cell line. Cells were harvest at different stages during myogenesis including proliferating, confluence, 1 day post-differentiation induction, 2 day post-differentiation induction and 4 days post-differentiation induction. Keywords: time course
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Project description:C2C12 myoblast is a model that has been used extensively to study the process of skeletal muscle differentiation. Proteomics has advanced our understanding of skeletal muscle biology and the process of myogenesis. However, there is still no deep coverage of C2C12 myoblast proteome, which is important for the understanding of key drivers for the differentiation of skeletal muscle cells. Here, we conducted a multi-dimensional proteome profiling with TiSH strategy to get a comprehensive analysis of proteome, phosphoproteome and N-linked sialylated glycoproteome of C2C12 myoblasts. A total of 8313 protein groups were identified in C2C12 myoblasts, including 7827 protein groups from non-modified peptides, 3803 phosphoproteins and 977 formerly N-linked sialylated glycoproteins.
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Project description:This study profiled the expression of miRNA during myogenesis of the C2C12 mouse myoblast cell line. Cells were harvest at different stages during myogenesis including proliferating, confluence, 1 day post-differentiation induction, 2 day post-differentiation induction and 4 days post-differentiation induction. Keywords: time course This experiment was a reference design miRNA microarray where all time points were compared to a pooled proliferating C2C12 sample, made up of 4 proliferating biological replicates. Each time point had four bioloigcal replicates of which two were labelled with Cy3 and two were labelled with Cy5.
2010-05-26 | E-GEOD-9449 | biostudies-arrayexpress
Project description:Skeletal muscle differentiation is a highly coordinated multistep process in which proliferating mononucleated myoblasts first withdraw from the cell cycle, then differentiate into postmitotic mononucleated myocytes, and subsequently fuse into multinucleated myotubes which finally bundle to form mature muscle fibers. All these processes are controlled by the sequential activation of myogenic regulatory factors, and especially MYOD1 is activated in the early phase to promote the transcription of muscle-specific genes coding for muscle proteins such as alpha-actin, myosin heavy chain and muscle creatine kinase. We used microarrays to detail the global gene expression changes associated with MYOD1 L122R mutation and identified MYOD1 L122R blocked myogenic differentiation and had a MYC-like transcriptional potential. C2C12 mouse myoblast cells were introduced wild type MYOD1, MYOD1 L122R, MYC, and GFP by retroviral infection. For retrovirus production, the pcx4 and pBabe vectors system were used. Retroviruses were obtained by using 293T cells as packaging cells, and were infected into C2C12 cell line and selected with 500 μg/ml Zeocin (Invitrogen, Carlsbad, CA, USA). After selection, RNAs were extracted and processed at MSKCC according to procedures recommended by Affymetrix (Santa Clara, CA, USA).
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Project description:In this study, the C2C12 cell line, a model used to study myogenesis and regeneration, was allowed to differentiate from myoblast precursor cells to myotubes. Cells were harvested at 4 different timepoints to perform gene expression profiling. We identified genes that were up-regulated and down-regulated during the differentiation process.
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Project description:The establishment of C2C12 cell line with knockout of TAOK1 expression using CRISPR/Cas9 system. C2C12 cells with TAOK1 knockout were designated as C2C12-TAOK1-KO, while those transfected with an empty vector served as the control group (C2C12-Mock), non-transfected cells served as the blank group (C2C12-Blank). The C2C12-Blank, C2C12-Mock and C2C12-TAOK1-KO cells (10000 cells/mL) were seeded into 100 mm cell culture dishes and induced to differentiation into myotubes. Then, cells were obtained by trypsin digestion and centrifugation. Samples from three independent experiments were collected.
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Project description:Transcriptomic profiling of wild-type C2C12 cells and C2C12 cells with Myod1 gene knockout by RNA-sequencing
| PRJNA565753 | ENA
Project description:The TEAD (1-4) transcription factors comprise the conserved TEA/ATTS DNA binding domain recognising the MCAT element in the promoters of muscle-specific genes. Despite extensive genetic analysis, the function of TEAD factors in muscle differentiation has proved elusive due to redundancy amongst the family members. Expression of the TEA/ATTS DNA binding domain that acts a dominant negative repressor of TEAD factors in C2C12 myoblasts inhibits their differentiation, while selective shRNA knockdown of TEAD4 results in abnormal differentiation characterised by the formation of shortened myotubes. Chromatin immunoprecipitation coupled to array hybridisation (ChIP-chip) shows that TEAD4 occupies 867 promoters including those of myogenic miRNAs. We show that TEAD factors cooperate with MYOD1 to directly induce Myogenin, CDKN1A and Caveolin 3 expression to promote myoblast differentiation and fusion. RNA-seq identifies a novel set of TEAD4 target genes encoding muscle structural and regulatory proteins and those required for the unfolded protein response. In contrast, TEAD4 represses expression of the growth factor CTGF and Cyclin D1 to promote differentiation. Together these results show that TEAD factor activity is essential for C2C12 cell differentiation and define a novel and nonredundant role for TEAD4 in regulating the unfolded protein response. C2C12 cells were infected with retrotiviral vector expressing Flag-HA-Tagged TEAD4 or with empty control vector and selected in the continouos presence of puromycin. Infected cell populations were then differentiated for 5 days in DMEM medium with 2% horse serum and fixed in 0.4% formaldehyde.
2011-08-21 | E-GEOD-29208 | biostudies-arrayexpress
Project description:The TEAD (1-4) transcription factors comprise the conserved TEA/ATTS DNA binding domain recognising the MCAT element in the promoters of muscle-specific genes. Despite extensive genetic analysis, the function of TEAD factors in muscle differentiation has proved elusive due to redundancy amongst the family members. Expression of the TEA/ATTS DNA binding domain that acts a dominant negative repressor of TEAD factors in C2C12 myoblasts inhibits their differentiation, while selective shRNA knockdown of TEAD4 results in abnormal differentiation characterised by the formation of shortened myotubes. Chromatin immunoprecipitation coupled to array hybridisation (ChIP-chip) shows that TEAD4 occupies 867 promoters including those of myogenic miRNAs. We show that TEAD factors cooperate with MYOD1 to directly induce Myogenin, CDKN1A and Caveolin 3 expression to promote myoblast differentiation and fusion. RNA-seq identifies a novel set of TEAD4 target genes encoding muscle structural and regulatory proteins and those required for the unfolded protein response. In contrast, TEAD4 represses expression of the growth factor CTGF and Cyclin D1 to promote differentiation. Together these results show that TEAD factor activity is essential for C2C12 cell differentiation and define a novel and nonredundant role for TEAD4 in regulating the unfolded protein response.
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