{"owner": "ArrayExpress Uploader", "ownerprofile_id": "arrayexpress_sid", "id": 6606, "factors": [{"GSM787918 1": {}}, {"GSM787919 1": {}}, {"GSM787920 1": {}}, {"GSM787921 1": {}}], "pop_total": 0, "platform": 6, "summary_wrapped": "Screening for genes up in Etv2+ cells within Flk-1+ ES derived mesoderm Microarray analysis performed to screen for the candidate genes...", "geo_gse_id": "E-GEOD-31743", "owner_profile": "/profile/8773/arrayexpressuploader", "factor_count": 0, "sample_count": 4, "tags": ["mesoderm"], "lastmodified": "Dec.12, 2014", "is_default": false, "geo_gds_id": "", "slug": "comparison-of-flk-1etv2-vs-flk-1etv2-populations", "geo_id_plat": "E-GEOD-31743_A-AFFY-45", "name": "Comparison of Flk-1+/Etv2- vs Flk-1+/Etv2+ populations", "created": "Nov.11, 2014", "summary": "Screening for genes up in Etv2+ cells within Flk-1+ ES derived mesoderm Microarray analysis performed to screen for the candidate genes regulated by Etv2. Differentiated Flk-1+ mesoderm can be devided into Etv2+ or-. Etv2+ cells are assumed to be committed to hemato/endothelial cells. Comparison of two populations can reveal genes relevant in this commitment.  Extract RNA from sorted  Flk-1+/Etv2- vs Flk-1+/Etv2+ populations.Etv2-Venus KI ES cells were differentiated on OP9 for 4-5 days and Flk-1+ population was separated into Etv2-Venus+ or- cells. Total RNA was purified from each population for analysis.", "source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-31743", "species": "mouse", "sample_source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-31743/samples/"}