Splenocyte mRNA profiles of 4-6 weeks-old p53+/+ Em-Myc and p53DAS/DAS Em-Myc mice
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PROVIDER: PRJNA862139 | ENA |
REPOSITORIES: ENA
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Project description:Our study represents the first analysis of splenocyte transcriptomes of Em-Myc transgenic mice lacking alternatively spliced p53 isoforms
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Project description:Ezh2 encodes for the catalyc unit of the PRC2 complex. RNAi-mediated suppressing of Ezh2 by two independent shRNAs promotes Em-myc lymphomagenesis in vivo. Microarray were used to explore the trascriptional changes driven by suppression of Ezh2 in Em-myc cells and to identify which programs contribute to promotion of lymphoma formation. RNA was extracted from purified primary lymphoma cells for each shRNAs targeting Ezh2 and from two independent preparations of premalignant Em-myc cells. Mouse Genome 1.0 ST arrays were processed according to the manifacturer`s instructions.
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Project description:Impact of CDK4-deficiency on EM-BM-5-myc driven B-lymphoma By crossing mating CDK4 Knockout mice with EM-BM-5-myc mice,We found CDK4-deficiency enhances the EM-BM-5-myc induced B-lymphoma.We further to discover the molecular mechanism B-lymphoma cells form the cdk4+/+ EM-BM-5-myc and cdk4-/-EM-BM-5-myc mice and then culturing for RNA extraction and hybridization on Affymetrix microarrays.
2012-12-16 | E-GEOD-21683 | biostudies-arrayexpress
Project description:Ezh2 encodes for the catalyc unit of the PRC2 complex. RNAi-mediated suppressing of Ezh2 by two independent shRNAs promotes Em-myc lymphomagenesis in vivo. Microarray were used to explore the trascriptional changes driven by suppression of Ezh2 in Em-myc cells and to identify which programs contribute to promotion of lymphoma formation.
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Project description:Purpose: Evaluation of the impact of a reduction in Bptf levels on the nature of lymphomas arising from Em-Myc mice. Results: Bptf heterozygous tumors show reduced activity of the E2F and c-MYC pathways, together with increased activity of the NF-kB pathway.
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Project description:Graphene has been selected as a candidate for synthetic feeder-free culture substrate guiding human/mouse multipotent stem cell lineage specification, and culturing pluripotent stem cells in a number of studies. However, conventional graphene is not an ideal biomaterial to maintain the pluripotency of human pluripotent stem cells (hPSC) including hESCs/hiPSCs due to its intrinsic hydrophobicity and relatively flat surface topography. Here, we applied morphology-controlled nanocrystalline graphene (NG) coating onto the culture substrates via diffusion-associated synthesis (DAS) process and cultivated hPSCs. It is found that enhanced hydrophilicity and controlled surface roughness of DAS-NG enabled tight focal adhesion of hPSCs onto the DAS-NG coated culture substrate and retained pluripotency for over 2 weeks. It is also found hPSCs grown on DAS-NG shared comparable global gene expression profile with hPSCs grown on mouse embryonic fibroblast (MEF). Importantly, the similarities in cell adhesion gene expression between hPSCs grown on DAS-NG and hPSCs on MEF suggest DAS-NG may provide comparable physical cues with MEF for sustaining pluripotency. Taken together, our findings show a new reliable method for culturing hPSCs in feeder-free condition using DAS-graphene. Human iPSCs and human ESC H9 were seeded onto DAS-NG coated glass, ITO or QU, CVD-grown graphene coated glass, uncoated glass and mitomycin-C treated CF1. Human pluripotent stem cells seeded on each culture substrate were cultured in human embryonic stem cell medium composed of knockout DMEM (GIBCO-10829) supplemented with 20% knockout serum replacement (GIBCO-10828), 1mM L-glutamine, 1% penicillin/streptomycin (PAA-P11-010), 1% MEM-non essential amino acid (PAA-M11-003), 0.1mM beta-mercaptoethanol, and 5ng/ml human basic fibroblast growth factor.
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2013-02-19 | E-GEOD-32281 | biostudies-arrayexpress