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http://purl.uniprot.org/citations/21536545http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/21536545http://www.w3.org/2000/01/rdf-schema#comment"

Purpose

Low-grade fibromyxoid sarcoma (LGFMS) is typically characterized by the specific translocation t(7;16)(q33;p11) and the corresponding fusion gene FUS-CREB3L2. The present study aimed to extract LGFMS-specific, and putatively FUS-CREB3L2-dependent, gene expression patterns to learn more about the pathogenesis of this tumor.

Experimental design

We carried out single nucleotide polymorphism (SNP) and global gene expression array analyses, and/or immunohistochemical (IHC) analyses on 24 LGFMS tumor biopsies. Tumor types that are important differential diagnoses to LGFMS were included as comparison in the gene and protein expression analyses. In addition, cells that stably expressed FUS-CREB3L2 were analyzed with gene expression array and the influence of FUS-CREB3L2 on gene expression was investigated in vitro.

Results

The SNP array analysis detected recurrent microdeletions in association with the t(7;16) chromosomal breakpoints and gain of 7q in cases with ring chromosomes. Gene expression analysis clearly distinguished LGFMS from morphologically similar tumors and MUC4 was identified as a potential diagnostic marker for LGFMS by gene expression and IHC analysis. FOXL1 was identified as the top upregulated gene in LGFMS and CD24 was upregulated in both LGFMS tumors and FUS-CREB3L2 expressing cells. FUS-CREB3L2 was capable of activating transcription from CD24 regulatory sequences in luciferase assays, suggesting an important role for the upregulation of this gene in LGFMS.

Conclusions

The gene expression profile of LGFMS is distinct from that of soft tissue tumors with similar morphology. The data could be used to identify a potential diagnostic marker for LGFMS and to identify possible FUS-CREB3L2 regulated genes."xsd:string
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http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Domanski H.A."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Mertens F."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Moller E."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Magnusson L."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Hornick J.L."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/author"Veerla S."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/date"2011"xsd:gYear
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/name"Clin Cancer Res"xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/pages"2646-2656"xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/title"FUS-CREB3L2/L1-positive sarcomas show a specific gene expression profile with upregulation of CD24 and FOXL1."xsd:string
http://purl.uniprot.org/citations/21536545http://purl.uniprot.org/core/volume"17"xsd:string
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