Project description:To identify the target genes of Evi-1 in hematopoietic stem cells (HSCs), we carried out genome-wide transcriptional analysis using wild-type and Evi-1-deleted HSCs.
Project description:expression analysis of teratoma, grown from mouse embryonic stem cells that are Evi/Wls knockout cells and comparison with wildtype (control) tumors
Project description:To identify the target genes of Evi-1 in hematopoietic stem cells (HSCs), we carried out genome-wide transcriptional analysis using wild-type and Evi-1-deleted HSCs. Experiment Overall Design: Lineage(-), Sca-1(+), c-Kit(+) cells derived from Evi-1(flox/flox) mice were transduced with GFP or Cre-GFP expressing retroviruses. GFP(+) cells were sorted and and analyzed by Affymetrix® Mouse Genome 430 2.0 Array® for gene expression. Two independent experiments were performed.
Project description:Inducible endothelial Rspo3 deletion resulted in perturbed developmental and tumor vascular remodeling. Rspo3-iECKO mice strikingly phenocopied the non-canonical WNT signaling-induced vascular defects of mice deleted for the WNT secretion factor Evi/Wls. An endothelial screen for RSPO3 and EVI/WLS co-regulated genes identified novel target genes, which could be linked to WNT/Ca2+/NFAT signaling. In summary, the study identifies endothelial RSPO3-driven non canonical WNT/Ca2+/NFAT signaling as critical maintenance pathway of the remodeling vasculature.
Project description:Evi/Wls is an essential Wnt secretion factor and important for tissue homeostasis. In the skin Wnt signaling plays an important role in hair follicle formation and maintenance. The aim of the present study is to compare the gene expression profile of Evi/Wls knockout epidermal sheets with wild-type control skin.
Project description:Canonical and non-canonical Wnt signaling play key roles during development and tumorigenesis. In this study we compared gene expression in teratomas grown from mouse embryonic stem cells that overexpress Evi/Wls and teratomas from normal embryonic stem cells cells.