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Analysis of transcriptomes during cardioac reprogramming by RNA-deep Sequencing

ABSTRACT: Fibroblasts can be reprogrammed into cardiomyocyte-like cells by overexpressing transcription factors, GATA4, Hand2, Mef2C and Tbx5 (GHMT). A83-01, an inhibitor of ALK4, ALK5 and ALK7 and two microRNA, miR-1 and miR-133 increase the efficiency of cardiac reprogramming. RNA_Seq was performed to anyalyze effects of these factors on gene expression.

ORGANISM(S): Mus musculus

PROVIDER: GSE71405 | GEO | 2015/07/28

SECONDARY ACCESSION(S): PRJNA291098

REPOSITORIES: GEO

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Analysis of transcriptomes during cardioac reprogramming by RNA-deep Sequencing

Project description:Fibroblasts can be reprogrammed into cardiomyocyte-like cells by overexpressing transcription factors, GATA4, Hand2, Mef2C and Tbx5 (GHMT). A83-01, an inhibitor of ALK4, ALK5 and ALK7 and two microRNA, miR-1 and miR-133 increase the efficiency of cardiac reprogramming. RNA_Seq was performed to anyalyze effects of these factors on gene expression. Total RNAs were prepared from mouse embryonic fibroblasts (MEFs); Reprogramming fibroblasts including MEFs transduced with retroviruses encoding GHMT, MEFs transduced with with retroviruses encoding GHMT plus miR-1 and miR-133 (GHMT2m), MEFs transduced with with retroviruses encoding GHMT2m treated with A83-01, at day 7 after viral transduction; and neonatal mouse cardiomyocytes (NMCMs).

2015-07-28 | E-GEOD-71405 | biostudies-arrayexpress

Global gene expression in adult cardiac fibroblasts transduced with cardiac transcription factor

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Dynamics of H3K4me2 during cardiac lineage reprogramming

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Transcriptome analysis of the effect of DAPT in GHMT-induced cardiac reprogramming

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Gene expression profiles of mouse embryonic fibroblasts (MEFs), induced cardiomyocytes (iCMs) and heart.

Project description:Global gene expression patterns of the iCMs shift from a MEF state toward a cardiac-like phenotype by Gata4/Mef2c/Tbx5 (GMT) or GMT/Hand2 (GHMT) transduction at 2 and 4 weeks after transduction (2W, 4W). Hand2 upregulated a panel of cardiac genes and suppressed cell cylce genes during cardiac reprogramming.

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Impacts of reprogramming method and culture conditions in trophoblast differentiation of induced pluripotent stem cells

Project description:Trophoblast differentiation from human ESC has been achieved by exposing the cells to BMP4 with or without supplementation of ALK4/5/7 inhibitor (A83-01) and FGF2 signaling inhibitor (PD173074) (BAP). Here the two differentiation conditions, BMP4 and BAP were applied to two sets of human PSC lines, H1 ESC and iPSC that latter was generated by DOX-inducible lentiviral (V) transductions of umbilical cord mesenchymal cells. The V-iPSC showed residual transgene expressions from the viral vectors in DOX-free culture condition. When the both ESC and iPSC lines were differentiated simultaneously, similar time dependent morphological changes were observed but BMP4 treated V-iPSC showed a minor yet consistent lag in the differentiation progression compared to BMP4 treated hESC. Although both differentiated ESC and V-iPSC showed dominant trophoblast phenotypes, the BMP4 treated V-iPSC also expressed gene markers consistent with the presence of mesoendoderm. The BAP condition provided more efficient differentiation than BMP4 alone, and the BAP-differentiated iPSC and ESC never expressed mesoendoderm markers. Five samples, one control of undifferentiated V-iPSC (FGF2) and four differentiated samples included two H1 ESC (treated with BMP4 or BMP4+A83-01) and similarly treated two V-iPSC were analyzed. Trophoblast differentiation was conducted with BMP4 (10 ng/ml) with or without supplementation of ALK4/5/7 inhibitor (A83-01; 1 μM) to H1 ESC and V-iPSC, respective reagents were added to FGF2-free MEF-CM from the second day culture of following passages for up to six additional days.

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Gene expression profiles of mouse embryonic fibroblasts (MEFs), induced cardiomyocytes (iCMs) and heart

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Project description:Global gene expression profile of total 24460 probes in the iCMs. The gene expression shifts from a fibroblast state toward a cardiac-like phenotype by Gata4/Mef2c/Tbx5/Mesp1/Myocd (GMTMM) or GMTMM/miR-133 transduction at 7 days after transduction. MiR-133 silenced fibroblast signatures in parallel with cardiac gene activation, and Snai1 overexpression inhibited the effects of miR-133-mediated cardiac reprogramming.

2014-07-03 | GSE56874 | GEO

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