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Isolation and Characterisation of Renal Precursor Cells Derived from Human Embryonic Stem Cells

ABSTRACT: HES4 hESC were cultured in serum media and maintained on a layer of mouse embryonic fibroblast feeder cells at a density of 6 x 104 cells/cm2. For differentiation: hESC were differentiated for a total of 14 days. Differentiation was induced by passaging 4 human ES cell pieces onto 12 well plates seeded with 0.67 x 10E4 cells/cm2. Cells were maintained in media containing 20% FCS for 2 days before media containing 5% FCS was used. Reduced serum media was changed every second day for the remaining 12 days ESC cells were taken at time zero and RNA was isolated (hESC_undiff). Cells differentiated by the above procedure at day 14 were isolated and RNA extracted (Diff). The remaining cells were FACs sorted with antibodies to Podocalyxin, CD24 and GCTM-2. Two populations were isolated, 1: Positive for podocalyxin and CD24 and low level of expression of GCTM-2 (POD+CD24+GCTM2Low) and 2: Positive for podocalyxin and CD24 and negative for GCTM-2 (POD+CD24+GCTM2Neg). The experiment was repeated in triplicate. The final aim was to determine the gene expression enrichment in cells with the marker profile (Podocalyxin+, CD24+, GCTM-2-neg) which is predicted to be enriched for kidney precursors. Keywords: cell type comparison

ORGANISM(S): Homo sapiens

PROVIDER: GSE15257 | GEO | 2010/03/16

SECONDARY ACCESSION(S): PRJNA116553

REPOSITORIES: GEO

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Isolation and Characterisation of Renal Precursor Cells Derived from Human Embryonic Stem Cells

Project description:HES4 hESC were cultured in serum media and maintained on a layer of mouse embryonic fibroblast feeder cells at a density of 6 x 104 cells/cm2. For differentiation: hESC were differentiated for a total of 14 days. Differentiation was induced by passaging 4 human ES cell pieces onto 12 well plates seeded with 0.67 x 10E4 cells/cm2. Cells were maintained in media containing 20% FCS for 2 days before media containing 5% FCS was used. Reduced serum media was changed every second day for the remaining 12 days ESC cells were taken at time zero and RNA was isolated (hESC_undiff). Cells differentiated by the above procedure at day 14 were isolated and RNA extracted (Diff). The remaining cells were FACs sorted with antibodies to Podocalyxin, CD24 and GCTM-2. Two populations were isolated, 1: Positive for podocalyxin and CD24 and low level of expression of GCTM-2 (POD+CD24+GCTM2Low) and 2: Positive for podocalyxin and CD24 and negative for GCTM-2 (POD+CD24+GCTM2Neg). The experiment was repeated in triplicate. The final aim was to determine the gene expression enrichment in cells with the marker profile (Podocalyxin+, CD24+, GCTM-2-neg) which is predicted to be enriched for kidney precursors. Keywords: cell type comparison Three consecutive passages of HES4 cells were grown in standard conditions, RNA derived or differentiated for 14 days subject to FACs sorting, collection and RNA isolated. Microarray was performed on a total of 12 samples, (3 replicates of 4 populations).

2010-03-16 | E-GEOD-15257 | biostudies-arrayexpress

ESC (HES2, MEL1 or H9) grown in various conditions and FACs sorted for GCTM-2 and CD9

Project description:In the following experiment, three different hESC cell lines (HES2, MEL1 and H9) were grown in the presence of KOSR, KOSR or mTESR containing media respectively. KOSR (Knockout serum replacement medium) is a standard media allowing the growth of hESC without the need for manual passaging - Enzymatic passaging is used instread. mTESR (Ludwig et al., 2007) is a media allowing the growth of hESC on matrigel with enzymatic passaging. At day 7 after passaging, these cells were FACs sorted for the presence of GCTM-2 and CD9 into 4 distinct fractions (p4: GCTM-2-neg, CD9-neg; p5: GCTM-2-low, CD9-low; p6: GCTM-2-medium, CD9-medium and p7: GCTM-2-high, CD9-high). For each cell line-subfraction combination, RNA was harvested and subject to microarray. From each experiment (individual cell line), 4 samples were collected (p4, p5, p6 and p7) and these were subject to microarray. In each case the experiment was performed in triplicate

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ESC (HES2, MEL1 or H9) grown in various conditions and FACs sorted for GCTM-2 and CD9

2010-04-07 | E-GEOD-13877 | biostudies-arrayexpress

Gene expression profile of podocalyxin-like protein 1(PODXL) overexpressing and GFP overexpressing control embryonic stem cells

Project description:The transmembrane signals maintain the pluripotency of human pluripotent stem cells (hPSCs) are rarely investigated. A transmembrane glycoprotein, podocalyxin-like protein 1 (PODXL, also called podocalyxin like protein-1, PCLP1, Gp200/GCTM-2, MEP21, and Thrombomucin), aside from its well-known role in tumor malignancy, very little is known about its functions in hPSCs. In order to map the early signals triggered by PODXL, after 3 days of PODXL overexpression, a comprehensive gene expression profile changes were analyzed by cDNA microarray.

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Profiling of FACs sorted subpopulations of iPS cells from cell surface marker profile

Project description:Two independent induced pluripotent stem cell lines: ES4CL1 (derived from foreskin) and MR90C2 (derived from lung Fibroblast) were maintained on inactivated mouse embryonic fibroblast (MEF) feeder cells in the presence of ESC media containing DMEM, 20% knock-out serum replacement with 100ng/mL of bFGF. 7 days after seeding, cells were harvested in TrypLE Express and FACs sorted using antibodies detecting the presence of cell surface antigens GCTM-2 and CD9. 4 independent fractions were isolated after cell sorting: P4 (CD9-Negative, GCTM-2 Negative); P5 (CD9-Low, GCTM-2 Low); P6 (CD9-Medium, GCTM-2 medium) and P7 (CD9-High, GCTM-2 High). Each individual experiment was performed in triplicate. Keywords: cell type comparison

2013-06-07 | GSE15283 | GEO

Profiling of FACs sorted subpopulations of iPS cells from cell surface marker profile

2013-06-07 | E-GEOD-15283 | biostudies-arrayexpress

Transcriptomic analysis of undifferentiated human embryonic stem cells (hESCs) and day-25 differentiated cortical neuronal progenitor cells from 5 isogenic hESC lines with low and high levels of alpha-synuclein expression

Project description:Purpose: To compare the cortical neuroonal differentiation capacity of clonal isogenic hESC lines with different levels of alpha-synuclein (aSyn) expression. Methods 1: Shef4 hESCs was used as a parental line to create an allelic series of clonal transgenic hESC lines expressing a human SNCA (encoding aSyn) contruct. Clonal transgenic lines with high (S8, S37) and low (S9, S34) aSyn expression were established and characterized. Methods 2: hESCs were cultured on Laminin-521 (BioLamina) in StemMACS iPS-Brew XF self-renewal media (Miltenyi) prior to lifting for isolation of total RNA. Methods 3: Cortical neuronal progenitor cells were differentiated from hESCs on Laminin-111 coated (Biolamina) 24-well plates at an initial plating density of 80,000 cells/cm2. Differentiation commenced in neural induction media (NIM) consisting of 50% DMEM/F12 (ThermoFisher Scientific), 50% Neurobasal Media (ThermoFisher Scientific), B27 supplement with Retinoic Acid (ThermoFisher Scientific), N2 supplement (ThermoFisher Scientific) and 2 mM L-Glutamine (ThermoFisher Scientific), 10μM SB431542 (Tocris) and 100 nM LDN-193189 (Miltenyl Biotec). From day 4 onwards, the base media was changed to 50% NIM, 25% DMEM/F12 and 25% Neurobasal Media. SB431542 (10 μM) and LDN-193189 (100 nM) were present for the first 12 days of differentiation. Cells were lifted and re-plated at day 12 and day 17 with Collagenase Type IV (Life Technologies). At day 25, differentiated cells were lifted for total RNA isolation.

2022-02-04 | GSE195877 | GEO

Sheared HUVEC conditioned media nano-LC MSMS

Project description:Primary human umbilical vein endothelial cells (HUVECs, n=4) were exposed to low-magnitude pre-conditioning FSS (1.5 dynes/cm2) 18h using the Ibidi pump system followed by exposure to the arterial- (15 dynes/cm2) or venous-magnitude (1.5 dynes/cm2) FSS for 24h. Conditioned media was collected to analyse the effect of acute changes in the haemodynamic environment on the EC secretome.

2024-07-15 | PXD050737 | Pride

A comparison of transcriptome between Drosophila S2R+ cell line cultured in M3 media supplemented with fly extract and S2R+ cell line cultured in M3 + BPYE + 10% FCS

Project description:We report the transcriptome analysis of Drosophila S2R+ cells cultured in media lacking vertebrate fetal bovine serum during log-phase of growth. The three media conditions are: (1) M3 BPYE 10% FCS (2) M3 + 10% Fex and (3) M3 + 2.5% Fex.

2020-12-22 | GSE154485 | GEO

Gene expression profile of hESC/hIPC-derived keratinocytes

Project description:To induce the differentiation, undifferentiated human pluripotent stem cells (both hESC andh iPSC; T0 time point) were transferred into 20% O2 atmosphere environment and treated with mTESR1 basal media supplemented with 1 μM ATRA (Sigma-Aldrich) and 25 ng/ml BMP4 (R&D) for 7 days (Induction). To select for the cells that acquired early ectodermal fate, cells were harvested and re-plated onto freshly prepared 3D human dermal fibroblast ECM at a density of 5-10x10^3 cells per cm2 and grown in DMEM:Ham F12 (3:1) (Life Technologies) supplemented with 1 μM ATRA and 25 ng/ml BMP4 for a further 7 days (Selection). To enrich for putative epidermal progenitors, rapid-adhesion to type IV collagen-coated dishes was used, and the rapidly-adhering cells were cultured in DK SFM supplemented with 1 μM ATRA for 7 days (Enrichment). After that, the cells were cultured in EpiLife medium (Life Technologies) for a further 7 days (Expansion) before final harvest (T3 time point) and analysis. We analyzed here gene expression profiles of undifferentiated hESC/hiPSC (T0), hESC/hIPC-derived keratinocytes (T3) and primary normal human keratinocytes from skin biopsy (NHK). We found that hESC/hIPC-derived keratinocytes are similar to NHK.

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