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P19 neuronal cell differentiation

ABSTRACT: We comprehensively investigated the neural-splicing using P19 cells, set up nine filtering conditions, and obtained 262 candidate exons (236 genes). Results of semi-quantitative RT-PCR in randomly selected 30 candidates suggested that 87% of the candidates were actually changed more than double compared with the undifferentiated and differentiated cells. GO analysis and pathway analysis also showed that these 236 candidate genes were highly involved in the neural events. These results suggested that our extraction of alternative exons was quite reasonable and successful.

ORGANISM(S): Mus musculus

PROVIDER: GSE23710 | GEO | 2011/03/10

SECONDARY ACCESSION(S): PRJNA130887

REPOSITORIES: GEO

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P19 neuronal cell differentiation

Project description:We comprehensively investigated the neural-splicing using P19 cells, set up nine filtering conditions, and obtained 262 candidate exons (236 genes). Results of semi-quantitative RT-PCR in randomly selected 30 candidates suggested that 87% of the candidates were actually changed more than double compared with the undifferentiated and differentiated cells. GO analysis and pathway analysis also showed that these 236 candidate genes were highly involved in the neural events. These results suggested that our extraction of alternative exons was quite reasonable and successful. We have biological duplicates in this project. We essentially compared Day 7 (neural-differentiated) against Day0 (Undifferentiated)

2011-03-10 | E-GEOD-23710 | biostudies-arrayexpress

Aminicenantes bacterium SCGC AAA252-P19

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p19-WT and p19-T111BpyAla treatment of extracted small RNAs

Project description:small RNA fractions were treated with either p19-WT or T111BpyAla to evaluate the catalytic ability of p19-T111BpyAla compared to the WT protein in degrading miRNAs

2023-04-28 | GSE229272 | GEO

Candidatus Paceibacter normanii SCGC AAA255-P19

Project description:candidate division OD1 bacterium SCGC AAA255-P19

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iCLIP mapping of coilin-RNA interactions in HeLa and P19 cells

Project description:Our ChIP resuls suggested that coilin association with U3, snRNA and histone genes might be dependent on coilin-RNA interaction. We used iCLIP of coilin-GFP expressed in HeLa and P19 cell lines at endogenous levels to identify coilin RNA targets and investigate RNA-binding specificity. P19 cells expressing GFP fused to a nuclear localization signal (GFP-NLS) was used as a negative control. iCLIP results revealed that coilin binds several classes of ncRNA including snRNAs, U3 snoRNA and scaRNAs. Interestlignly the majority of coilin targets were intronic snoRNAs, suggesting a novel role of CBs in snoRNA biogenesis. 5 biological replicates from P19 and 2 biological replicates from HeLa cells after UV-crosslinking. Negative control samples prepared from GFP-NLS fusion protein are stored uder accession E-MTAB-747.

2014-11-06 | E-GEOD-58448 | biostudies-arrayexpress

iCLIP mapping of coilin-RNA interactions in HeLa and P19 cells

2014-11-06 | GSE58448 | GEO

P19 cells+LIN28_RA-differentiated_Day 4

Project description:LIN28 is an RNA-binding protein expressed in many developing tissues. It can block let-7 microRNA processing and help promote pluripotency. We observe LIN28 expression in the developing neural tube, colocalizing with SOX2, suggesting a role in neural development. To better understand its normal developmental function, we investigated LIN28 activity during neurogliogenesis in vitro where the succession of neuronal to glial cell fates occurs as it does in vivo. LIN28 expression was high in undifferentiated cells, and was down-regulated rapidly upon differentiation. Constitutive LIN28 expression caused a complete block of gliogenesis and an increase in neurogenesis. LIN28 expression was compatible with neuronal differentiation and did not increase proliferation. LIN28 caused significant changes in gene expression prior to any effect on let-7, notably on Igf2. Furthermore, a mutant LIN28 that permitted let-7 accumulation was still able to completely block gliogenesis. Thus, at least two biological activities of LIN28 are genetically separable and may involve distinct mechanisms. LIN28 can differentially promote and inhibit specific fates and does not function exclusively by blocking let-7 family miRNAs. Importantly, LIN28âs role in cell fate succession in vertebrate cells is analogous to its activity as a developmental timing regulator in C. elegans. Two repeats of two cell lines induced to differentiate with retinoic acid/aggregation for four days. Control cells: unmodified mouse P19 embryonal carcinoma cells. Experimental cells: P19 cells constitutively expressing human LIN28A.

2010-03-03 | E-GEOD-19705 | biostudies-arrayexpress

The intracellular domain of amyloid precursor protein induces the dynamic change of the gene expression profile in P19 cells.

Project description:As previously reported (Neuroscience letters 444(2008)127-131), we established embryonic carcinoma P19 cell line expressing the intracellular domain of APP (AICD). Although neurons could be differentiated from these cell lines with RA treatment, expression of AICD gave rise to neuron-specific apoptosis. To identify the genes that are involved in this cell death, we evaluated changes of gene expressions that was induced by AICD through this process of cell death. The expression profiles of almost forty thousands transcripts were monitored by DNA microarrays. AICD-expressing P19 cell lines (AICD/P19) and control P19 cell lines (pCDNA/P19) that carry vector alone were used and cultured. To induce neural differentiation of these P19 cell lines, cells were allowed to aggregate in culture medium with 5×10-7 M all-trans-retinoic acid (RA) for 4 days (aggregated state). After aggregation, cells were replated onto cell culture grade dishes or poly-L-Lysine coated cell-disks for two days (differentiated state). RNAs were isolated at each states.

2010-07-14 | E-GEOD-22690 | biostudies-arrayexpress

Gene expression profiling in Setx shRNA P19 cells, wild type human Setx P19 transfected cells with and without retionoic acid

Project description:Analysis of senataxin effect on neuronal differentiation and neurite growth in RA-treated P19 cells by modulating senataxin expression levels. Senataxin silencing does not grossly affect the gene expression profiles of P19 cells

2010-07-10 | GSE21724 | GEO

BAF45D Cooperates with SMAD Signaling and Promotes Early Neural Differentiation in P19 Cells

Project description:We sought to explore whether BAF45D regulates PAX6 expression through cooperating with TGF-beta/SMAD signaling in RA treated P19 cells. Here we identified BAF45D is required for expression of phosphorylated SMAD3 and PAX6 induced by RA. Genome-wide analysis revealed that during RA-induced early neural differentiation, BAF45D knockdown failed to activate TGF-beta/SMAD signaling and induce expression of Stat3 and Smad7, two negative regulators of TGF-beta/SMAD signaling. Moreover, BAF45D was immunoprecipited with BRG1and phosphorylated SMAD3. In addition, Smad3 siRNA abolished RA-indueced expression of phosphorylated SMAD3, PAX6, STAT3 and SMAD7. Finally, overexpression of BAF45D directly induced expression of PAX6 and phosphorylated SMAD3.These results suggest that a novel effect of BAF45D cooperating with TGF-beta/SMAD signaling pathway on PAX6 level control, which may shed new light on neural differentiation of P19 cells.

2021-09-30 | GSE164125 | GEO

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