<?xml version="1.0" encoding="ASCII"?>
<biogps><data><item key="owner">ArrayExpress Uploader</item><item key="pop_total">0</item><item key="species">human</item><item key="factors"><item><item key="GSM76420"><item key="CELL TYPE">osteosarcoma U2OS derived cell line UT2</item></item></item><item><item key="GSM764200"><item key="CELL TYPE">osteosarcoma U2OS cells</item></item></item><item><item key="GSM764199"><item key="CELL TYPE">bone marrow mesenchymal stem cells</item></item></item></item><item key="id">2628</item><item key="ownerprofile_id">arrayexpress_sid</item><item key="platform">4</item><item key="summary_wrapped">To determine whether enhanced self-renewal and tumorigenicity in UT2 cells (derived from the second human&#8211;mouse xenotransplantation of...</item><item key="geo_gse_id">E-GEOD-30807</item><item key="owner_profile">/profile/8773/arrayexpressuploader</item><item key="factor_count">1</item><item key="sample_count">3</item><item key="tags"><item>cancer</item><item>cell</item><item>notch</item><item>osteosarcoma</item></item><item key="lastmodified">Dec.12, 2014</item><item key="is_default">False</item><item key="geo_id_plat">E-GEOD-30807_A-AFFY-44</item><item key="slug">expression-data-from-human-mesenchymal-stem-cell-a</item><item key="geo_gds_id"/><item key="name">Expression data from human mesenchymal stem cell and osteosarcoma cells</item><item key="created">Jul.12, 2014</item><item key="summary">To determine whether enhanced self-renewal and tumorigenicity in UT2 cells (derived from the second human&#8211;mouse xenotransplantation of U2OS cell-formed osteosarcoma tissues) correlate with increased expression of stem/progenitor cell-associated genes, we measured global gene expression in MSC, U2OS and UT2 cells by microarray analysis. Compared to U2OS and MSC, molecules involved in regulation of self-renewal signaling pathways of cancer stem cells were also up-regulated in UT2 cells, including those in the Notch, Wnt, and TGF-beta pathways. These data suggest a genetic basis for the enhanced self-renewal and tumorigenicity of osteosarcoma-initiating cell in UT2 cells. MSC, U2OS and UT2 cells were selected for RNA extraction and hybridization on Affymetrix microarrays. We sought to analysis stem/progenitor cell-associated genes and molecules involved in regulation of self-renewal signaling pathways of cancer stem cells between UT2 cells and its parent cells: U2OS (MSC works as positive control here).</item><item key="source">http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-30807</item><item key="sample_source">http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-30807/samples/</item></data></biogps>
