{"owner": "ArrayExpress Uploader", "pop_total": 0, "id": 6456, "factors": [{"GSM715818": {"AGE": "older than 15 months", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM715819": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "follicular B cell"}}, {"GSM715820": {"AGE": "8 weeks", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM71582": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "Age associated B cells"}}, {"GSM715818": {"AGE": "older than 15 months", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM715819": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "follicular B cell"}}, {"GSM715820": {"AGE": "8 weeks", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM71582": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "Age associated B cells"}}, {"GSM715818": {"AGE": "older than 15 months", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM715819": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "follicular B cell"}}, {"GSM715820": {"AGE": "8 weeks", "TISSUE SOURCE": "peritoneal cavity", "CELL TYPE": "B1 cells"}}, {"GSM71582": {"AGE": "older than 15 months", "TISSUE SOURCE": "spleen", "CELL TYPE": "Age associated B cells"}}], "ownerprofile_id": "arrayexpress_sid", "platform": 6, "summary_wrapped": "We performed gene expression profile of different B cell populations found in old (18 months old) C57BL/6 female mouse (B1 cells were...", "pubmed_id": 21543762, "geo_gse_id": "E-GEOD-28887", "owner_profile": "/profile/8773/arrayexpressuploader", "factor_count": 3, "sample_count": 12, "tags": ["cell"], "lastmodified": "Dec.12, 2014", "is_default": false, "geo_gds_id": "", "slug": "gene-expression-profile-of-age-associated-b-cells", "geo_id_plat": "E-GEOD-28887_A-AFFY-45", "name": "Gene expression profile of  Age associated B cells, Follicular B cells, and B1 cells", "created": "Nov.11, 2014", "summary": "We performed gene expression profile of different B cell populations found in old (18 months old) C57BL/6 female mouse (B1 cells were recovered from both young and old C57BL/6 mice). Mice were na\u00efve and healthy (no autoimmunity was detected at the time of the experiment). Different B cell populations were sorted using flow cytometry and RNA was isolated.", "source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-28887", "species": "mouse", "sample_source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-28887/samples/"}