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Expression data of the control and CITED1 OE ESCs

ABSTRACT: Trophoblast lineages, as the precursor of placenta, are essential for post-implantation embryo survival. However, the regulatory networks for trophoblast development remains incompletely understood. Here, we identified CITED1 as a regulator to induce trophoblast-like differentiation from mESCs. Overexpression of CITED1 in ESCs prompted differentiation towards trophoblast accompanying with elevated expression of trophoblast marker genes. To evaluate the ability of CITED1 to induce trophoblast differentiation at a genome-wide scale, we compared the global transcriptional profiles between CITED1 overexpressing cells and control ESCs by Affymetrix microarray analysis at day 1 and day 2 after transfection. We used microarrays to identify genes affected by CITED1 overexpression in mouse ESCs.

ORGANISM(S): Mus musculus

PROVIDER: GSE103414 | GEO | 2018/09/01

REPOSITORIES: GEO

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Project description:Purpose: Bulk transcriptomics analysis of Wilms tumor SIX2+CITED1+ cells to compare and identify unique nephron progenitor transcriptome profiling (RNA-seq) signature between unfavorable and favorable Wilms Tumors and against human fetal kidney Methods: Wilms tumor samples were collected and transported on ice at 4°C in RPMI-1640 and a single cell suspensions were prepared following mechanical and enzymatic dissociation as previously publication. Enzymatic dissociation was performed with 125 U/ml collagenase I in RPMI-1640 at 37 °C for 35 min. The digested cells were then passed through a 100-μm cell strainer and a 40-μm cell strainer with washes of 1x PBS. The cell suspension was than centrifuged at 1500 rpm for 5 min and erythrocytes were eliminated using a red blood cell lysis kit. WT SIX2+CITED1+ cells were isolated using SIX2-Cy5 and CITED1-Cy3 Smartflare RNA probes following manufacturer’s instructions and previous publication. Briefly, cells were incubated over night at 37 °C with both RNA probes diluted at 1:20 in PBS and 25ul/ml in RPMI-1640 supplemented with 5% FBS, and 0.2% antimicrobial agent Primocin. After 16-18 h, cells were dissociation using TrypLE 1x for 5 min, cells were centrifuged at 1500 rpm for 5 min and prepared for FACS. RNA extraction was performed immediately after FACS using the RNeasy Micro Kit following manufacturer’s recommendations. After cDNA production and construction of DNA libraries, the samples were run on an Illumina NextSep500 (Illumina). Differential gene expression was analyzed using ERCC ExFold probes with the Remove Unwanted Variation R/Bioconductor software package combined with edgeR Results: Transcriptomics analysis of Wilms Tumor SIX2+CITED1+ cells in comparison to different tumor types and human fetal kidneys confirmed the nephrogenic signature of hFK-SIX2+CITED1+ and WT-SIX2+CITED1+ cells but highlighted differences in expression of pluripotency and self renewal-related genes like OCT4, FOXO1, SALL, NANOG along with a lower expression of β-catenin, TCF, and other growth factors known to promote differentiation (BMPs, FGFs). Hierarchical clustering of gene expression showed shared similarities between Wilms tumor samples against human fetal kidney samples however, with major differences in gene expression between tumor-to-tumor type was also present. Conclusion: Our study represents the first transcriptomic characterization of Wilms Tumor cancer stem cells (SIX2+CITED1+) against human fetal kidney SIX2+CITED1+ cells. Identifying specify gene expression and signaling pathway profiles across different subtypes of Wilms Tumor and against human fetal kidney SIX2+CITED1+ cells.

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Expression data of the control and CITED1 OE ESCs

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