{"owner": "ArrayExpress Uploader", "pop_total": 0, "species": "human", "factors": [{"GSM126043": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "midgut/hindgut (SR1-induced)"}}, {"GSM126043": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "midgut/hindgut (SR1-induced)"}}, {"GSM126043": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "midgut/hindgut (SR1-induced)"}}, {"GSM1260428": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "posterior foregut (SR1-induced)"}}, {"GSM1260428": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "posterior foregut (SR1-induced)"}}, {"GSM1260428": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "posterior foregut (SR1-induced)"}}, {"GSM1260425": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "anterior foregut (SR1-induced)"}}, {"GSM1260425": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "anterior foregut (SR1-induced)"}}, {"GSM1260425": {"DAY OF IN VITRO DIFFERENTIATION": "7", "CELL TYPE": "anterior foregut (SR1-induced)"}}, {"GSM1260422": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "serum-differentiated hESCs"}}, {"GSM1260422": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "serum-differentiated hESCs"}}, {"GSM1260422": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "serum-differentiated hESCs"}}, {"GSM1260419": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "AFBLy-differentiated hESCs"}}, {"GSM1260419": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "AFBLy-differentiated hESCs"}}, {"GSM1260419": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "AFBLy-differentiated hESCs"}}, {"GSM1260416": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "definitive endoderm (SR1-induced)"}}, {"GSM1260416": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "definitive endoderm (SR1-induced)"}}, {"GSM1260416": {"DAY OF IN VITRO DIFFERENTIATION": "3", "CELL TYPE": "definitive endoderm (SR1-induced)"}}, {"GSM1260413": {"DAY OF IN VITRO DIFFERENTIATION": "1", "CELL TYPE": "anterior primitive streak (SR1-induced)"}}, {"GSM1260413": {"DAY OF IN VITRO DIFFERENTIATION": "1", "CELL TYPE": "anterior primitive streak (SR1-induced)"}}, {"GSM1260413": {"DAY OF IN VITRO DIFFERENTIATION": "1", "CELL TYPE": "anterior primitive streak (SR1-induced)"}}, {"GSM1260410": {"DAY OF IN VITRO DIFFERENTIATION": "not specified", "CELL TYPE": "embryonic stem cell"}}, {"GSM1260410": {"DAY OF IN VITRO DIFFERENTIATION": "not specified", "CELL TYPE": "embryonic stem cell"}}, {"GSM1260410": {"DAY OF IN VITRO DIFFERENTIATION": "not specified", "CELL TYPE": "embryonic stem cell"}}], "id": 2230, "ownerprofile_id": "arrayexpress_sid", "platform": 4, "summary_wrapped": "The definitive endoderm germ layer is the provenance of multiple internal organs, including the lungs, liver, pancreas and intestines....", "geo_gse_id": "E-GEOD-52158", "owner_profile": "/profile/8773/arrayexpressuploader", "factor_count": 2, "sample_count": 24, "tags": ["anterior", "definitive endoderm", "endoderm", "foregut", "genome", "hindgut", "internal", "liver", "midgut", "organ", "pancreas", "posterior", "serum"], "lastmodified": "Dec.12, 2014", "is_default": false, "geo_gds_id": "", "slug": "dynamic-developmental-signaling-logic-underlying-l", "geo_id_plat": "E-GEOD-52158_A-AFFY-44", "name": "Dynamic developmental signaling logic underlying lineage bifurcations during human endoderm induction and patterning from pluripotent stem cells [Expression data set]", "created": "Jul.11, 2014", "summary": "The definitive endoderm germ layer is the provenance of multiple internal organs, including the lungs, liver, pancreas and intestines. Molecular events driving initial endoderm germ layer specification and subsequent anterior-posterior patterning of endoderm into distinct organ primordia remain largely cryptic. Through microarray analyses, we captured genome-wide transcriptional dynamics driving successive stages of endoderm development with the intent of identifying novel regulatory genes or diagnostic markers that respectively drive or mark endoderm committment. HES3 human embryonic stem cells (hESCs) were differentiated into highly homogeneous endodermal progenitor populations, and microarray analyses were conducted of six different populations at different tiers of the endodermal lineage hierarchy: undifferentiated hESCs, anterior primitive streak (day 1 of in vitro differentiation), definitive endoderm (day 3) and anterior foregut, posterior foregut or midgut/hindgut patterned endoderm populations (day 7). Additionally, we compared hESCs differentiated using two alternative endoderm induction protocols, serum-based or AFBLy-based differentiation (both day 3 of differentiation).", "source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-52158", "sample_source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-52158/samples/"}