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http://purl.uniprot.org/citations/19936258http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/19936258http://www.w3.org/2000/01/rdf-schema#comment"

Background

A characteristic SYT-SSX fusion gene resulting from the chromosomal translocation t(X;18)(p11;q11) is detectable in almost all synovial sarcomas, a malignant soft tissue tumor widely believed to originate from as yet unidentified pluripotent stem cells. The resulting fusion protein has no DNA binding motifs but possesses protein-protein interaction domains that are believed to mediate association with chromatin remodeling complexes. Despite recent advances in the identification of molecules that interact with SYT-SSX and with the corresponding wild type SYT and SSX proteins, the mechanisms whereby the SYT-SSX might contribute to neoplastic transformation remain unclear. Epigenetic deregulation has been suggested to be one possible mechanism.

Methodology/principal findings

We addressed the effect of SYT/SSX expression on the transcriptome of four independent isolates of primary human bone marrow mesenchymal stem cells (hMSC). We observed transcriptional changes similar to the gene expression signature of synovial sarcoma, principally involving genes whose regulation is linked to epigenetic factors, including imprinted genes, genes with transcription start sites within a CpG island and chromatin related genes. Single population analysis revealed hMSC isolate-specific transcriptional changes involving genes that are important for biological functions of stem cells as well as genes that are considered to be molecular markers of synovial sarcoma including IGF2, EPHRINS, and BCL2. Methylation status analysis of sequences at the H19/IGF2 imprinted locus indicated that distinct epigenetic features characterize hMSC populations and condition the transcriptional effects of SYT-SSX expression.

Conclusions/significance

Our observations suggest that epigenetic features may define the cellular microenvironment in which SYT-SSX displays its functional effects."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.org/dc/terms/identifier"doi:10.1371/journal.pone.0007904"xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Provero P."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Stamenkovic I."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Cironi L."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Suva M.L."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Suva D."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Kindler V."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Riggi N."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/author"Janiszewska M."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/date"2009"xsd:gYear
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/name"PLoS One"xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/pages"e7904"xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/title"Epigenetic features of human mesenchymal stem cells determine their permissiveness for induction of relevant transcriptional changes by SYT-SSX1."xsd:string
http://purl.uniprot.org/citations/19936258http://purl.uniprot.org/core/volume"4"xsd:string
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