Co-existence of SYT-SSX1 and SYT-SSX2 fusions in synovial sarcomas

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SYT-SSX1 and SYT-SSX2 interfere with repression of E-cadherin by snail and slug: a potential mechanism for aberrant mesenchymal to epithelial transition in human synovial sarcoma.

Synovial sarcoma is a primitive mesenchymal neoplasm characterized in almost all cases by a t(X;18) fusing the SYT transcriptional coactivator gene with either SSX1 or SSX2, with the resulting fusion gene encoding an aberrant transcriptional regulator. A subset of synovial sarcoma, predominantly cases with the SYT-SSX1 fusion, shows foci of morphologic epithelial differentiation in the form of ...

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Detection of SYT-SSX rearrangements in synovial sarcomas by real-time one-step RT-PCR.

Synovial sarcomas are aggressive tumors of adolescent and young adults that account for up to 10% of soft tissue sarcomas. Cytogenetically, they are characterized by translocation t(X;18), which is found in more than 95% of tumors. In most cases, it results in fusion of the SYT gene with the SSX1 or SSX2 gene, thus creating SYT-SSX1 or SYT-SSX2 rearrangement. The 2 types of gene fusion have bee...

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Impact of SYT-SSX fusion type on the clinical behavior of synovial sarcoma: a multi-institutional retrospective study of 243 patients.

Synovial sarcomas are aggressive spindle cell sarcomas containing in some cases areas of epithelial differentiation. They consistently show a specific t(X;18;p11;q11), which usually represents either of two gene fusions, SYT-SSX1 or SYT-SSX2, encoding putative transcriptional proteins differing at 13 amino acid positions. Previous studies have suggested that patients with SYT-SSX2 tumors do bet...

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Expression of receptor tyrosine kinases epidermal growth factor receptor and HER-2/neu in synovial sarcoma.

BACKGROUND Synovial sarcomas are high-grade soft tissue neoplasms often characterized by a biphasic spindle and epithelioid cell morphology. The majority of synovial sarcomas harbor a specific chromosomal translocation in which the proximal portion of the SYT gene at chromosome 18q11 is fused to the distal portion of one of several duplicated SSX genes (most notably SSX1 and SSX2) at chromosome...

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ژورنال

عنوان ژورنال: Oncogene

سال: 2002

ISSN: 0950-9232,1476-5594

DOI: 10.1038/sj.onc.1205569