{"owner": "ArrayExpress Uploader", "ownerprofile_id": "arrayexpress_sid", "id": 6607, "factors": [{"GSM787922 1": {}}, {"GSM787923 1": {}}, {"GSM787924 1": {}}, {"GSM787925 1": {}}], "pop_total": 0, "platform": 6, "summary_wrapped": "Screening for genes regulated by Etv2 within Flk-1+/PDGFRa+ ES derived mesoderm.Microarray analysis performed to screen for the candidate...", "geo_gse_id": "E-GEOD-31744", "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-1pdgfraflk-1pradp-population-fro", "geo_id_plat": "E-GEOD-31744_A-AFFY-45", "name": "Comparison of Flk-1+/PDGFRa+(Flk-1PRa+(DP)) population from Etv2Het vs Etv2KO ES cells", "created": "Nov.11, 2014", "summary": "Screening for genes regulated by Etv2 within Flk-1+/PDGFRa+ ES derived mesoderm.Microarray analysis performed to screen for the candidate genes regulated by Etv2.  TT2 ES cells differentiated on OP9 feeder cells were sorted using Flk-1 and PDGFRa antibodies.Gene expressions from these two populations were compared. Extract RNA from sorted  Flk-1+/PDGFRa+ populations from Etv2Het vs KO cells. To obtain primitive mesoderm cells TT2 ES cells of corresponding genotypes were differentiated on OP9 cells for 4 days.  Flk-1+/PDGFRa+ populations were sorted from Etv2 Het vs. KO cells for RNA extraction.", "source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-31744", "species": "mouse", "sample_source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-31744/samples/"}