Gene are regulated by Myocardin
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA529790 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8809600.fastq.gz | Fastqsanger.gz | |||
| SRR8809601.fastq.gz | Fastqsanger.gz | |||
| SRR8809602.fastq.gz | Fastqsanger.gz | |||
| SRR8809603.fastq.gz | Fastqsanger.gz | |||
| SRR8809604.fastq.gz | Fastqsanger.gz |
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Project description:Using microarray, we compared miRNAs expression profiles of MDA-MB-231 cells transfected with myocardin and empty vector (pcDNA3.1) and found that 25 miRNAs were significantly changed in myocardin-transfected groups (17 up-regulated and 9 down-regulated miRNAs). Moreover, we showed that 18 of 25 miRNAs significantly regulated by myocardin were inhibited by ERα in MDA-MB-231 cells. In addition,through a microarray approach, we identify the subset of miRNAs modulated by ERα in MDA-MB-231 cells. Our results determined that ERα may function as tumor-promoter through down-regulating expression of 3 miRNAs (miR-26b, miR-146a and miR-331-3p) in MDA-MB-231 cells.
2014-10-01 | GSE44139 | GEO
Project description:Using microarray, we compared miRNAs expression profiles of MDA-MB-231 cells transfected with myocardin and empty vector (pcDNA3.1) and found that 25 miRNAs were significantly changed in myocardin-transfected groups (17 up-regulated and 9 down-regulated miRNAs). Moreover, we showed that 18 of 25 miRNAs significantly regulated by myocardin were inhibited by ERM-NM-1 in MDA-MB-231 cells. In addition,through a microarray approach, we identify the subset of miRNAs modulated by ERM-NM-1 in MDA-MB-231 cells. Our results determined that ERM-NM-1 may function as tumor-promoter through down-regulating expression of 3 miRNAs (miR-26b, miR-146a and miR-331-3p) in MDA-MB-231 cells. There are 4 samples in this experiment (pcDNA3.1-transfected, myocardin-transfected, ERM-NM-1-transfected, myocardin plus ERM-NM-1 co-transfecteded groups) and each sample was replicated 3 times. The vector-pcDNA3.1 was used as control.
2014-10-01 | E-GEOD-44139 | biostudies-arrayexpress
Project description:ABSTRACT Aims Forced differentiation of non-muscle cells into heart muscle cells using cardiac transcription factors (cTFs) may constitute a novel strategy to accomplish myocardial regeneration. Methods We investigated the potential of the cTF myocardin to induce cardiomyocyte differentiation and compared the myocardin-induced gene expression program to that of fully differentiated cardiomyocytes using oligonucleotide microarray hybridizations, quantitative RT-PCR analyses and immunofluorescence microscopy. The experiments were performed in the recently described human cardiomyocytes progenitor cells (hCMPCs), which differentiate into fully functional cardiomyocytes upon stimulation with 5-azacytidine and transforming growth factor β1. Results and Conclusions Forced myocardin expression stimulated transcription of a surprisingly large repertoire of heart muscle-specific genes in hCMPCs but did not cause their differentiation into functional cardiomyocytes. Specifically, myocardin gene transfer did not stimulate the synthesis of several sarcomeric (regulatory) proteins and ion channel constituents. The heart and smooth muscle-enriched isoforms of myocardin stimulate equally well the transcription of many of their cardiomyocyte-specific and virtually all of their smooth muscle target genes. However, the heart muscle-enriched myocardin species is a much more potent transactivator of a subset of genes encoding mainly cardiomyocyte-specific myofibrillar components. This may explain the underestimation of myocardin's cardiomyogenic potential in previous studies utilizing the smooth muscle-enriched isoform of this cTF.
2008-07-15 | GSE12110 | GEO
Project description:NIH3T3 cell transiently transfected with myocardin-EGFP or EGFP. Transfection: Lipofectamine 2000 according to the manufacturers instructions (Invitrogen).
2013-11-15 | E-MEXP-3869 | biostudies-arrayexpress
Project description:transcriptional effects of mis-expression of full length (935) myocardin in growing human skeletal myoblasts Experiment Overall Design: Compare transcriptional profiles of Ad-myocardin infected SKM5 cells with that of Ad-B-gal infected cells
2008-06-12 | E-GEOD-3378 | biostudies-arrayexpress
Project description:Coronary disease associated gene TCF21 inhibits smooth muscle cell differentiation by blocking the myocardin-serum response factor pathway
2019-12-18 | GSE124011 | GEO
Project description:Background: Cardiac transcription factors are master regulators during heart development. Recently, some were shown to transdifferentiate noncardiac mesoderm cells and cardiac fibroblasts into cardiomyocytes. However, the individual roles of each transcription factors in activating cardiac gene program have not been elucidated. We examined cardiac-specific and genome-wide gene expression in fibroblasts induced with cardiac transcription factors Nkx2.5 (N), Tbx5 (T), Gata4 (G), Myocardin (M) alone or different combinations. Methodology/Principal Findings: We applied different combinations of human Nkx2.5 (N), Tbx5 (T), Gata4 (G) and Myocardin (M) lentiviruses into 10T1/2 fibroblasts. Immunostaining and quantitative reverse transcription polymerase chain reaction (qRT-PCR) showed that N, T, G or M alone did not induce expression of cardiac marker genes M-NM-1-myosin heavy chain (M-NM-1MHC) and cardiac troponin T (cTnT). Only T+M and T+G+M combinations induced M-NM-1MHC and cTnT expression. Microarray-based gene ontology analysis revealed that T alone inhibited most genes involved in cardiac-related processes and activated genes involved in Wnt receptor signaling pathway and in aberrant processes. M alone inhibited genes involved in Wnt receptor signaling pathway and activated genes involved in cardiac-related processes and in aberrant processes. G alone inhibited genes involved in ectoderm development. T+G+M combination was the most effective activator of genes associated with cardiac-related processes including muscle cell differentiation, sarcomere, striated muscle contraction, regulation of heart contraction, and glucose metabolism and fatty acid oxidation (two significant forms of cardiomyocyte energy metabolism). And unlike T, M, G alone or T+M, T+G+M did not activate genes associated with aberrant processes. Conclusions: Tbx5, Gata4 and Myocardin play different roles in activating cardiac gene program and in avoiding aberrant gene program activation. The combination of T+G+M activated cardiac gene program and avoided aberrant gene program activation. Two weeks after doxycline induction, total RNA was isolated from 10T1/2-tTA cells infected with different combinations of Tbx5, Gata4, and Myocardin lentiviruses. Biological triplicated.
2012-11-30 | E-GEOD-27329 | biostudies-arrayexpress
Project description:Purpose: Genome-wide DNA-binding analysis for Myocardin in human lung cancer cell line A549
2019-03-30 | GSE128921 | GEO
Project description:transcriptional effects of mis-expression of full length (935) myocardin in growing human skeletal myoblasts Keywords: mis-expression of transcriptional co-activator
2005-10-27 | GSE3378 | GEO
Project description:Background: Cardiac transcription factors are master regulators during heart development. Recently, some were shown to transdifferentiate noncardiac mesoderm cells and cardiac fibroblasts into cardiomyocytes. However, the individual roles of each transcription factors in activating cardiac gene program have not been elucidated. We examined cardiac-specific and genome-wide gene expression in fibroblasts induced with cardiac transcription factors Nkx2.5 (N), Tbx5 (T), Gata4 (G), Myocardin (M) alone or different combinations. Methodology/Principal Findings: We applied different combinations of human Nkx2.5 (N), Tbx5 (T), Gata4 (G) and Myocardin (M) lentiviruses into 10T1/2 fibroblasts. Immunostaining and quantitative reverse transcription polymerase chain reaction (qRT-PCR) showed that N, T, G or M alone did not induce expression of cardiac marker genes α-myosin heavy chain (αMHC) and cardiac troponin T (cTnT). Only T+M and T+G+M combinations induced αMHC and cTnT expression. Microarray-based gene ontology analysis revealed that T alone inhibited most genes involved in cardiac-related processes and activated genes involved in Wnt receptor signaling pathway and in aberrant processes. M alone inhibited genes involved in Wnt receptor signaling pathway and activated genes involved in cardiac-related processes and in aberrant processes. G alone inhibited genes involved in ectoderm development. T+G+M combination was the most effective activator of genes associated with cardiac-related processes including muscle cell differentiation, sarcomere, striated muscle contraction, regulation of heart contraction, and glucose metabolism and fatty acid oxidation (two significant forms of cardiomyocyte energy metabolism). And unlike T, M, G alone or T+M, T+G+M did not activate genes associated with aberrant processes. Conclusions: Tbx5, Gata4 and Myocardin play different roles in activating cardiac gene program and in avoiding aberrant gene program activation. The combination of T+G+M activated cardiac gene program and avoided aberrant gene program activation.
2012-11-30 | GSE27329 | GEO