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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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In vitro differentiation of P19CL6 cardiogenic embryonic carcinoma cells

ABSTRACT: Pluripotent P19CL6 embryonic carcinoma cells can be differentiated to a cardiac lineage by culture in the presence of DMSO. The goal of this study was to characterize temporal gene expression patterns associated with cardiogenic differentiation. Gene expression analysis was conducted on differentiating P19CL6 cells at several time points following induction with 1% DMSO. Samples were processed for analysis by Affymetrix GeneChip. Analysis was done on P19CL6 cells growing in the absence of DMSO or in the presence of DMSO for 4, 6, 8, 10 or 12 days. Three independent samples (n=3) were used for all conditions except for 6-day and 12-day DMSO cultures (n=2).

ORGANISM(S): Mus musculus

SUBMITTER: Jeremy Barth

PROVIDER: E-GEOD-17910 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Jarid2 is among a set of genes differentially regulated by Nkx2.5 during outflow tract morphogenesis.

Barth Jeremy L JL Clark Christopher D CD Fresco Victor M VM Knoll Ellen P EP Lee Benjamin B Argraves W Scott WS Lee Kyu-Ho KH

Developmental dynamics : an official publication of the American Association of Anatomists 20100701 7

Nkx2.5, a transcription factor implicated in human congenital heart disease, is required for regulation of second heart field (SHF) progenitors contributing to outflow tract (OFT). Here, we define a set of genes (Lrrn1, Elovl2, Safb, Slc39a6, Khdrbs1, Hoxb4, Fez1, Ccdc117, Jarid2, Nrcam, and Enpp3) expressed in SHF containing pharyngeal arch tissue whose regulation is dependent on Nkx2.5. Further investigation shows that Jarid2, which has been implicated in OFT morphogenesis, is a direct target ...[more]

PMID: 20549724

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Nkx2.5 regulates Jarid2 during outflow tract morphogenesis

Project description:The transcription factor Nkx2.5 is required for specification of pharyngeal arch second heart field (SHF) progenitors that contribute to outflow tract (OFT) and right ventricle (RV) formation. Multiple sets of microarray data were analyzed to identify genes that are candidate targets of Nkx2.5 in the second heart field. These sets are: 1) publicly available data for cardiothoracic tissue from E9.5 Nkx2.5 wild-type, heterozygous and homozygous embryos; 2) an analysis of mouse E10.5 pharyngeal arch tissue; 3) an analysis of mouse E12.5 heart tissue; and 4) a temporal analysis of the cardiogenic cell line P19CL6. This combined analysis identified 11 genes (Lrrn1, Elovl2, Safb, Slc39a6, Khdrbs1, Hoxb4, Fez1, Ccdc117, Jarid2, Nrcam, and Enpp3) expressed in SHF-containing pharyngeal arch tissue whose regulation is dependent on Nkx2.5 expression. Refer to individual Series

2010-05-17 | E-GEOD-17936 | biostudies-arrayexpress

Microarray analysis of normal and abnormal chick myocardial development

Project description:The goal of this study was to determine developmental differences in gene expression between left and right ventricle, and to assess the differential effect of altered hemodynamic loading on left and right ventricle. Chick ventricles from different developmental stages were isolated for assessment of normal developmental profiles. Conotruncal banding or partial ligation of the left atrial appendage was performed in ovo at embryonic day 4 and ventricles were isolated at embryonic day 5 (banding) or 8 (ligation) for assessment of altered loading effects. Normal heart and ventricle tissues were collected from chicks at embryonic day 4, 5, 6, 8, or 10 (Hamurger-Hamilton stages 29, 34, and 36). Conotruncal banding (CTB) or left atrial ligation (LCL) was performed for experimental groups in ovo at embryonic day 4 and tissues isolated at embryonic day 5 (CTB) or day 8 (LAL). For each sample type, tissues were carefully dissected, collected and stored in RNAlater, and then pooled for RNA isolation. Each sample contained 6 to 12 separate biological specimens. A single pooled RNA sample was generated for each normal and experimental condition. Following preparation of labeled samples for hybridization, samples were split and hybridized in duplicate to separate microarrays (i.e., technical replicates).

2012-12-28 | E-GEOD-37070 | biostudies-arrayexpress

In vitro differentiation of P19CL6 cardiogenic embryonic carcinoma cells

Project description:Pluripotent P19CL6 embryonic carcinoma cells can be differentiated to a cardiac lineage by culture in the presence of DMSO. The goal of this study was to characterize temporal gene expression patterns associated with cardiogenic differentiation. Gene expression analysis was conducted on differentiating P19CL6 cells at several time points following induction with 1% DMSO. Samples were processed for analysis by Affymetrix GeneChip.

2010-07-08 | GSE17910 | GEO

Transcription profiling by array of P19CL6 cells transfected with Art27 siRNA to identify Art27 regulated transcripts

Project description:Transcription profiling by array of P19CL6 cells transfected with Art27 siRNA to identify Art27 regulated transcripts

2014-06-18 | E-MTAB-2337 | biostudies-arrayexpress

Gene expression data from undifferentiated mouse embryonal carcinoma cell strains (MOE430A and MOE430B)

Project description:Gene expression profiles of undifferentiated mouse embryonal carcinoma cell strains (P19, P19CL6, and 4 P19CL6 sublines) were obtained, using Affymetrix GeneChip Mouse Genome 430A and 430B. Heart diseases such as cardiac infarction damage cardiomyocytes and consequently lead to significant loss of the contractile capacity of the heart. To repair functions of the injured heart, a great deal of research has attempted to develop regenerative medicine using pluripotent stem cell-based cardiomyocytes as cell therapy products. However, the efficiency of the current methods available for the cardiac differentiation of stem cells is insufficient for clinical settings. A comprehensive understanding of the mechanism involved in the cardiac differentiation of stem cells is necessary to improve the differentiation efficiency. To identify genes assosiated with cardiomyogenic potential, we isolated P19CL6 cell sublines possessing distinct properties in cardiomyogenesis and comprared their transcriptome profiles with those of mouse embryonal carcinoma P19 and P19CL6 cells. Total RNA isolated from undifferentiated EC cell strains (P19 cells, P19CL6 cells, and 4 P19CL6 sublines) using Affymetrix chips MOE430A and MOE430AB. CEL files unavailable.

2011-01-26 | E-GEOD-26875 | biostudies-arrayexpress

Transcription profiling of human mesenchymal stromal cells to reveal senescence associated gene expression changes

Project description:Transcription profiling of human mesenchymal cells (MSCs) after ex vivo expansion under culture conditions supporting extensive cell proliferation. Highly efficient cell expansion within short time (~40 days) and comparison of gene expression profiles from MSCs after primary seeding, defined as early passage versus MSCs after a minimum of 17 (max 34) population doublings, defined as late passage. Combined data of passage 1 and 2 was compared to passage 0 (zero) as reference

2009-12-31 | E-MEXP-1997 | biostudies-arrayexpress

Comparison of transcriptomes between DMSO-5uM and Torin1-5uM treated mouse cumulus-oocyte complexes cultured in vitro for 14h

Project description:We sought to identify the potential specific roles of the MTOR signalling in cumulus cells by comparing the transcriptomes of the Control (treated with the DMSO vehicle) and MTOR-specific inhibitor Torin 1(5uM)-treated cumulus-oocyte complexes that were cultured for 16 hours. We compared the transcriptomes between DMSO- and Torin 1- treated cumulus-oocyte complexes. 3 individual cumulus-oocyte complex samples of DMSO- and Torin1-treated were collected. Comparison was done between DMSO- and Torin1-treated groups.

2016-08-01 | E-GEOD-79862 | biostudies-arrayexpress

Transcription profiling of mouse in vivo matured MII oocytes and fully in vivo grown germinal vesicle oocytes to identify gene transcripts linked to epigenetic reprogramming

Project description:To elucidate some of the tools involved in early embryonic reprogramming, the levels of gene transcripts believed to be of importance to epigenetic modifications, and chromatin remodeling were detected by oligonucleotide microarrays in in vivo matured MII oocytes and compared with fully in vivo grown GV oocytes.

2007-07-02 | E-MEXP-1146 | biostudies-arrayexpress

Transcription profiling of human HeLa cells treated with major listerial toxin listeriolysin

Project description:Upon infection, pathogens reprogram host gene expression. In eukaryotic cells, genetic reprogramming is induced by the concerted activation/repression of transcription factors and various histone modifications that control DNA accessibility in chromatin. We report here that the bacterial pathogen, Listeria monocytogenes, induces a dramatic dephosphorylation of histone H3 as well as a deacetylation of histone H4 during early phases of infection. This effect is mediated by the major listerial toxin listeriolysin (LLO), in a pore forming independent manner. Strikingly, a similar effect is also observed with other toxins of the same family, such as Clostridium perfringens perfringolysin (PFO) and Streptococcus pneumoniae pneumolysin (PLY). The decreased levels of histone modifications correlate with a reduced transcriptional activity of a subset of host genes, including key immunity genes. Thus, manipulation of the epigenetic information emerges here as an unsuspected function shared by several bacterial toxins, highlighting a common strategy used by intracellular and extracellular pathogens to modulate the host response early during infection.

2008-04-01 | E-MEXP-1078 | biostudies-arrayexpress

Transcript level responses of Plasmodium falciparum to antimycin A

Project description:Abstract: The mitochondrial electron transport chain is essential to Plasmodium and is the target of the antimalarial drug atovaquone. The mitochondrial genomes of Plasmodium sp. are the most reduced known, and the majority of mitochondrial proteins are encoded in the nucleus and imported into the mitochondrion post-translationally. Many organisms have signalling pathways between the mitochondria and the nucleus to regulate the expression of nuclear-encoded mitochondrially-targeted proteins, for example in response to mitochondrial dysfunction. We have studied the gene expression profiles of synchronous Plasmodium falciparum treated with an LD50 concentration of the complex III inhibitor antimycin A, to investigate whether such pathways exist in the parasite. There was a broad perturbation of gene expression. Some effects were attributable to a delay in the gene expression phase of drug-treated parasites. However, our data also indicated regulation of mitochondrial stress response genes and genes involved in pyrimidine biosynthesis. 3 biological replicates each for treated and untreated: control (1/2000 DMSO) and LD50 antimycin A, respectively. Normalised microarray data for antimycin A-treated parasites were contrasted against untreated (DMSO) controls.

2012-04-19 | E-GEOD-28625 | biostudies-arrayexpress

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