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INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1896"}}, {"GSM403934 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1897"}}, {"GSM403935 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1898"}}, {"GSM403936 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1900"}}, {"GSM403937 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1904"}}, {"GSM403938 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1905"}}, {"GSM403939 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1906"}}, {"GSM403940 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1907"}}, {"GSM403957 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1910"}}, {"GSM403958 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1912"}}, {"GSM403959 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1913"}}, {"GSM403960 1": {"CLINICAL INFO": "Follow up status: alive", "INDIVIDUAL": "SLN:1916"}}, {"GSM403961 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1918"}}, {"GSM403962 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1919"}}, {"GSM403970 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1841"}}, {"GSM403971 1": {"CLINICAL INFO": "Follow up status: dead", "INDIVIDUAL": "SLN:1857"}}], "ownerprofile_id": "arrayexpress_sid", "platform": 3, "summary_wrapped": "Follicular lymphoma (FL) is genetically characterized by the presence of the t(14;18)(q32;q21) chromosomal translocation in approximately...", "pubmed_id": 19471018, "geo_gse_id": "E-GEOD-16131", "owner_profile": "/profile/8773/arrayexpressuploader", "factor_count": 0, "sample_count": 184, "tags": ["cell", "follicular lymphoma", "lymphoma"], "lastmodified": "Jan.17, 2015", "is_default": false, "geo_gds_id": "", "slug": "differences-between-follicular-lymphoma-with-and-w", "geo_id_plat": "E-GEOD-16131_A-AFFY-33", "name": "Differences Between Follicular Lymphoma With and Without Translocation t(14;18)", "created": "Jan.17, 2015", "summary": "Follicular lymphoma (FL) is genetically characterized by the presence of the t(14;18)(q32;q21) chromosomal translocation in approximately 90% of cases. In contrast to FL carrying the t(14;18), their t(14;18)-negative counterparts are less well studied regarding their immunohistochemical, genetic, molecular and clinical features. Within a previously published series of 184 FL grade 1-3A with available gene expression data, we identified 17 FL lacking the t(14;18). Comparative genomic hybridization and high resolution SNP array profiling demonstrated that gains/amplifications of the BCL2 gene locus in 18q were restricted to the t(14;18)-positive FL subgroup. A comparison of gene expression profiles revealed an enrichment of germinal center B-cell associated signatures in t(14;18)-positive FL, whereas activated B-cell like, NF\u0192\u00dbB, proliferation and bystander cell signatures were enriched in t(14;18)-negative FL. These findings were confirmed by immunohistochemistry in an independent validation series of 84 FL, in which 32% of t(14;18)-negative FL showed weak or absent CD10 expression and 91% an increased Ki67 proliferation rate. Although overall survival did not differ between FL with and without t(14;18), our findings suggest distinct molecular features of t(14;18)-negative FL. Fresh-frozen tumor-biopsy specimens were obtained from 184 untreated patients who had received a diagnosis of follicular lymphoma. RNA was extracted from the biopsy specimens and was examined for gene expression with the use of Affymetrix U133A and U133B microarrays.", "source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-16131", "species": "human", "sample_source": "http://www.ebi.ac.uk/arrayexpress/experiments/E-GEOD-16131/samples/"}