Promyelocytic Leukemia Protein (PML) was first identified as a fusion product with the retinoic acid receptor alpha in Acute Promyelocytic Leukemia (APL). Although PML has previously been studied in cancer progression and various physiological processes, little is known about its functions in Embryonic Stem Cells (ESC). Here, we report that PML contributes to the maintenance of the ESC self-renewal by controlling the cell-cycle and sustaining the expression levels of crucial pluripotency factors. Transcriptomic analysis showed that the ablation of PML renders ESC prone to exit from the nave and acquire a primed-like pluripotent cell state. During differentiation PML influences cell fate decision by regulation of Tbx3. PML loss compromises the reprogramming ability of embryonic fibroblasts to induced Pluripotent Stem Cells (iPSC) by inhibiting the TGF pathway at the very early stages. Collectively, these results designate PML as a member of the regulatory network for ESC pluripotency and somatic cell reprogramming.
Promyelocytic Leukemia Protein Is an Essential Regulator of Stem Cell Pluripotency and Somatic Cell Reprogramming.
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View SamplesExpression data from hiPS lines after commitment towards mesenchymal lineage (hiPS-MSC) and expression data of mesenchymal lines (MSC), used as positive control of commitment. Following this, hiPS-MSC and MSC are seeded on scaffold to differentiate in a ligamentous (middle) and osseous (edges) part (post 21 days 3D differentiation)
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Specimen part
View SamplesComparison of transciptome before and after complete reprogramming of human fibroblasts back to pluripotency
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Specimen part
View SamplesTranscriptome analysis of epididymal white adipose tissue (WAT) depots in Ercc1 animals: To further elucidate the role of ERCC1 in WAT we scanned the transcriptome of 15 day old wt and Ercc1 epididymal WAT.
DNA damage triggers a chronic auto-inflammatory response leading to fat depletion in NER progeria
Age, Specimen part, Subject
View SamplesTo test whether PD-1 exerts genome-wide gene expression changes in TCM-phenotype CD8 cells, we performed transcriptome analysis on TCM –phenotype CD8 cell subpopulations derived from 7-month old PD-1 KO and WT spleens.
Development of effector memory-phenotype CD8 T cells is negatively regulated by PD-1 in a cell-intrinsic manner
Age, Specimen part
View SamplesMost FDA approved drugs are not equally effective in all patients, suggesting that identification of biomarkers to predict responders to a chemoprevention agent will be needed to stratify patients and achieve maximum benefit. The goal of this study was to investigate both patient specific and cell-context specific heterogeneity of metformin response, using cancer cell lines fibroblast cell lines and induced pluripotent stem cells differentiated into lung epithelial lineages.
Patient- and Cell Type-Specific Heterogeneity of Metformin Response.
Specimen part, Cell line
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Specimen part, Cell line
View SamplesPDX1 binds and regulates numerous genes involved in human pancreatic development but also binds hepatic genes
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Cell line
View SamplesWe investigated that gene expression profile of generated human iPS cells from cord blood cells using temperature sensitive sendai-virus vector.
Efficient generation of transgene-free human induced pluripotent stem cells (iPSCs) by temperature-sensitive Sendai virus vectors.
Specimen part
View SamplesWe show that Retinal pigment epithelium (RPE) secreted-factor, pigment epithelium derived factor (PEDF) secreted/derived from primary or iPSC-derived retinal pigment epithelium (RPE)RPE, dramatically inhibitsed the cell growth of iPSCs. PEDF was detected abundantly in culture supernatant media of primary and iPSC-derived RPE. We examined the gene expression in primary RPE and iPS-derived RPE.
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Specimen part
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