Homo sapiens
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ABSTRACT:
PROVIDER: PRJNA253927 | ENA |
REPOSITORIES: ENA
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Project description:Aberrant differentiation of glioma stem cells: Implications for therapeutic targeting [Xenograph]
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Project description:Aberrant differentiation of glioma stem cells: Implications for therapeutic targeting (GSCs)
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Project description:Glioma initiating cells/stem cells exist in the bulk tumor of glioblastoma. This cell population contributes to the frequent resistances toward radiation/chemotherapy, aggressiveness of adult brain cancer and increased recurrence rate. Targeting stem cell population becomes one the most promising and permissive therapeutic strategies. We isolated glioma stem cells from patient-derived xenografts and profiled their epigenomic features, including 4 different DNA marks and 2 enhancer marks, and transcriptome in these in vitro cultured cell lines. Three fetal brain-derived neural stem/progenitors cells were used for comparing the unique and common molecular features in these glioma cancer stem cells.
2018-02-23 | GSE92462 | GEO
Project description:Glioma initiating cells/stem cells exist in the bulk tumor of glioblastoma. This cell population contributes to the frequent resistances toward radiation/chemotherapy, aggressiveness of adult brain cancer and increased recurrence rate. Targeting stem cell population becomes one the most promising and permissive therapeutic strategies. We isolated glioma stem cells from patient-derived xenografts and profiled their epigenomic features, including 4 different DNA marks and 2 enhancer marks, and transcriptome in these in vitro cultured cell lines. Three fetal brain-derived neural stem/progenitors cells were used for comparing the unique and common molecular features in these glioma cancer stem cells.
2018-02-23 | GSE92460 | GEO
Project description:Glioma initiating cells/stem cells exist in the bulk tumor of glioblastoma. This cell population contributes to the frequent resistances toward radiation/chemotherapy, aggressiveness of adult brain cancer and increased recurrence rate. Targeting stem cell population becomes one the most promising and permissive therapeutic strategies. We isolated glioma stem cells from patient-derived xenografts and profiled their epigenomic features, including 4 different DNA marks and 2 enhancer marks, and transcriptome in these in vitro cultured cell lines. Three fetal brain-derived neural stem/progenitors cells were used for comparing the unique and common molecular features in these glioma cancer stem cells.
2018-02-23 | GSE92459 | GEO
Project description:SUMMARY Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs. SIGNIFICANCE Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs.
2015-09-01 | GSE58923 | GEO
Project description:SUMMARY Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs. SIGNIFICANCE Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs.
2015-09-01 | GSE58922 | GEO
Project description:SUMMARY Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs. SIGNIFICANCE Terminal differentiation has been proposed as a therapeutic strategy for glioblastoma (GBM). Culturing of GBM derived tumor initiating glioma stem cells (GSCs) in fetal bovine serum containing media is a proposed mode of differentiation that is thought to induce loss of stem cell characteristics, promote neural lineage differentiation and a parallel loss of tumor initiation capacity. Here we show that GSCs retained both neurosphere formation and tumor initiation abilities after short or long term serum exposure. Under serum induced differentiating conditions, GSCs expressed both neural lineage and stem cell markers, highlighting the aberrant pseudo-differentiation state. GSCs maintained under adherent differentiating conditions continued to proliferate and initiate tumor formation with efficiencies similar to GSCs maintained under proliferating (neurosphere) conditions. Proneural (PN) GSCs under serum exposure showed an induction of mesenchymal (MES) gene expression signatures. Our data indicate that the tumor initiation ability of GSCs is independent of their differentiation state and that terminal differentiation as a therapeutic approach may not effectively negate tumorigenicity of GSCs.
2015-09-01 | GSE58921 | GEO