FOSL1 as a candidate target gene for 11q12 rearrangements in desmoplastic fibroblastoma
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ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE35162 | GEO | 2012/05/09
SECONDARY ACCESSION(S): PRJNA150791
REPOSITORIES: GEO
Similar Datasets
Project description:Global gene expression analysis of desmoplastic fibroblastoma (DF) and histologically similar tumors. FOSL1 is identified as a candidate target gene for the 11q12 rearrangments in DF. RNA was extracted from 3 frozen desmoplastic fibroblastoma (DF) biopsies and hybridized onto Affymetrix Human Gene 1.0 ST arrays. RNA from 6 myxofibrosarcoma (MFS), 6 desmoid fibromatosis (DFM), 5 solitary fibrous tumor (SFT) and 17 low-grade fibromyxoid sarcomas (LGFMS) were used as controls. The control dataset has been previously published and is available in the GEO database under Series accession GSE24369. The complete dataset representing: (1) the 3 desmoplastic fibroblastoma Samples and (2) the 34 control Samples from Series GSE24369 (re-processed using RMA), is linked below as a supplementary file.
2012-05-08 | E-GEOD-35162 | biostudies-arrayexpress
Project description:FOSL1 as a candidate target gene for 11q12 rearrangements in desmoplastic fibroblastoma
| PRJNA150791 | ENA
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Project description:The differentiation of Th17 cells is controlled by a complex network of transcription factors (TFs), including FOS and JUN proteins of the AP-1 family. The FOS-like proteins, FOSL1 and FOSL2 have recently been reported to control Th17 responses. The molecular mechanisms dictating their roles, however, are unclear. Moreover, although the functions of AP-1 TFs are largely governed by their protein-protein interactions, these are also poorly characterized in this milieu. Using affinity purification in combination with mass-spectrometry we established the first interactomes of FOSL1 and FOSL2 in human Th17 cells. In addition to their known interactions with JUN proteins, our analysis identified several novel binding partners of FOSL factors. Gene ontology analysis revealed RNA binding was enriched as the major functionality for FOSL1 and FOSL2 associated proteins, thereby suggesting possible mechanistic links that have not been studied before. Intriguingly, 29 interactors were found to be shared between FOSL1 and FOSL2, which included crucial regulators of Th17-fate. These findings, including unique and shared interactions, were validated using parallel reaction monitoring targeted mass-spectrometry (PRM-MS), with additional measurements with other laboratory methods. Overall, this study provides key insights into interaction-based signalling mechanisms of FOSL1 and FOSL2, which potentially control Th17 cell-development and associated pathologies.
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Project description:High resolution aCGH was performed on 10 primary Desmoplastic Melanomas (DMs). DMs are a rare subtype of melanoma known for their pronounced desmoplastic stroma and spindled melanocytes. 10 samples were hybridized to Agilent 1 Million feature two color arrays as compared to a panel of normal male DNA. 6 samples were hybridized to Agilent 244K feature two color arrays as compared to a panel of normal male DNA. 34 samples were hybridized to Agilent 180K feature two color arrays as compared to a panel of normal male DNA.
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