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P19 embryonic carcinoma (EC) cells induced to form cardiomyocytes in vitro

ABSTRACT: SAGE identification of differentiation responsive genes in P19 embryonic cells induced to form cardiomyocytes in vitro. P19 embryonic carcinoma (EC) cells, induced to form cardiomyocytes in vitro - undifferentiated cells, day 3+0.5 and day 3+3.0 of differentiation protocol. Keywords = EC cells, P19, differentiation, cardiomyocytes Keywords: time-course

ORGANISM(S): Mus musculus

PROVIDER: GSE42 | GEO | 2002/07/18

SECONDARY ACCESSION(S): PRJNA84979

REPOSITORIES: GEO

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P19 embryonic carcinoma (EC) cells induced to form cardiomyocytes in vitro

Project description:SAGE identification of differentiation responsive genes in P19 embryonic cells induced to form cardiomyocytes in vitro. P19 embryonic carcinoma (EC) cells, induced to form cardiomyocytes in vitro - undifferentiated cells, day 3+0.5 and day 3+3.0 of differentiation protocol. Keywords = EC cells, P19, differentiation, cardiomyocytes Keywords: time-course

2002-07-18 | E-GEOD-42 | biostudies-arrayexpress

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Project description:P19 embryonic carcinoma (EC) cells induced to form cardiomyocytes in vitro

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Transcription profiling of mouse control 25-dpc embryos from control vs. valproic acid (VPA) treated dams and control P19 mouse EC cells vs 1 mM sodium valproate for 24 h

Project description:Valproic acid (VPA) is a potent inducer of neural tube defects (NTDs), but its mechanism of teratogenicity is not known. To study the transcriptional response of VPA during the susceptible period, i.e. when VPA is likely to exert most of its teratogenic effect, RNA was extracted from 8.25-dpc embryos (6 h post treatment) from control and VPA-treated dams, and subjected to microarray analysis (four arrays). To be more useful for risk assessment, in vitro models, using cells, may bridge biomarkers discovered by gene expression profiling in an animal in vivo model. Since pluripotent embryocarcinoma (EC) cell lines may be relevant models for early embryonic cells, P19 mouse EC cells were treated with or without 1 mM sodium valproate for 24 h and alos subjected to microarray analysis (four arrays).

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microRNA expression profiling in neural stem cells differentiated from mouse embryonic carcinoma P19 cells

Project description:microRNAs (or miRNAs) are small noncoding RNAs (21 to 25 nucleotides) that are processed from longer hairpin RNA precursors and are believed to be involved in a wide range of developmental and cellular processes, by either repressing translation or triggering mRNA degradation (RNA interference). Expression analysis of miRNAs is necessary to understand their complex role in the regulation of gene expression during the development, differentiation and proliferation of cells. Here we report on the expression profile analysis of miRNAs in mouse P19 embryonic carcinoma (EC) cell，which were used to get efficient derivation of a high percentage (∼95%) of neural stem cells from in N2B27 serum-free medium, in vitro simulated the process in vivo neural induction.The data presented here indicate marked changes in the expression of miRNAs between the P19 EC cell and the neural stem cells derived from them. Among ~160 mouse miRNAs, 37 miRNAs are increased (2.0-fold up-regulated) and 41 miRNAs are decreased (2.0-fold down-regulated) in their expression level after the differentiation. MiR-124a is dramatically up-regulated (above 20-fold). However, miR-302 cluster and miR290-295 cluster are down-regulated strongly. Further analyses show that some important factors, such as Oct4 and Sox2, are involved in the regulation system of these miRNAs. In brief, our results might contribute to a greater understanding of the many biological events in neural induction of early mouse embryos regulated by miRNAs. Keywords: microRNA, mouse, neural differentiation

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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.

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Differential expression of mature miRNAs in P19 cells during neuronal differentiation and by Rbfox3 depletion.

Project description:To investigate whether Rbfox3 could alter the expression level of miRNAs during neuronal differentiation of P19 cells, we performed miRNA microarray analysis using the RNAs extracted from untreated (undifferentiated) P19-GFP, RA-treated (neuronally differentiated) P19-GFP, or RA-treated P19-T2 cells.

2014-09-21 | GSE52377 | GEO

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