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disruption of the Ss18 gene results in a recessive embryonic lethal phenotype, due to placental failure caused by impairment of placental vascularization and/or chorio-allantoic fusion
Syt may contribute to the signaling pathway important for various cellular functions in vivo and in vitro, and we propose that Syt-deficient MEFs would be a powerful means to understand the biological roles of SYT in vitro.
Case Reports: identify a novel recurrent gene fusion, CRTC1-SS18, in undifferentiated small round cell sarcoma.
SS18-SSX1 deregulates developmental programs to drive transformation by hijacking a transcriptional repressive complex to aberrantly activate gene expression
Synovial sarcoma (SS) is considered as high-grade tumors with a poor prognosis. Novel therapies targeted at fusion oncogene, SS18-SSX-derived peptide vaccine, epidermal growth factor receptor, and vascular endothelial growth factor are the future hope in SS.
Thirty-four patients (20 males and 14 females, mean of 31years) with SS18-SSX fusion-positive SS-HN were identified. The parapharyngeal region of the neck was the most common site
Data indicate that the oncogene SS18-SSX1 promotes tumorigenesis by increasing the expression of SHC SH2-domain binding protein 1 (SHCBP1), which normally acts as a tumor promoting factor.
Meta-analysis of human synovial sarcoma patient series identified two tumor-gentoype-phenotype correlations that were not modeled by the mice, namely a scarcity of male hosts and biphasic histologic features among SS18-SSX2 tumors. Re-analysis of human SS18-SSX1 and SS18-SSX2 tumor transcriptomes demonstrated very few consistent differences, but highlighted increased native SSX2 expression in SS18-SSX1 tumors.
Kidney transplant recipients' polymorphisms of genes associated with telomere length, BICD1 and chromosome 18, but not hTERT, affect kidney allograft early and long-term function after transplantation.
Data show that SS18/SSX tightly regulates the elevated expression of the key Wnt target AXIN2 in primary synovial sarcoma.
a rare variant of the SS18-SSX1 fusion transcript, which could not be identified by routine procedures for genetic diagnosis, was detected. In addition, 8 missense mutations of cancer-related genes were confirmed
Case Report: bronchial biphasic synovial sarcoma with SS18 gene rearrangement.
SS18-SSX-induced Wnt/beta-catenin signaling appears to be of crucial biological importance in synovial sarcoma tumorigenesis and progression.
SYT gene split is associated with Synovial sarcoma.
These results suggest that the characteristic speckle localization pattern of SS18-SSX is strongly involved in the tumorigenesis through the SSX moiety of the SS18-SSX fusion protein.
Knockdown of SS18-SSX1 in synovial sarcoma inhibits viability and induces apoptosis.
SS18-SSX fusion type is a significant prognostic factor for patients with synovial sarcoma.
Studies show that in the 2 synovial sarcoma cell lines used, the fusion of SS18 with SSX leads to assembly of aberrant BAF complexes that become targeted to the Sox2 locus, with loss of repressive H3K27me3 marks, driving Sox2 expression and proliferation of these cells.
SYT-SSX2 was recruited to distinct loci across all chromosomes, and an overwhelming number of Polycomb-modified sites enriched with the trimethylated histone H3 on lysine 27 (H3K27me3) formed the main recruiting module for SYT-SSX2.
SS18-SSX1 and SS18-SSX2 variant translocations are associated with synovial sarcoma.
the initial events that likely occur when SYT-SSX2 is first expressed, and its dominant function in subverting the nuclear program of the stem cell, leading to its aberrant differentiation, as a first step toward transformation.
SS18 together with animal-specific factors defines human BAF-type SWI/SNF complexes
The synaptotagmins are integral membrane proteins of synaptic vesicles thought to serve as Ca(2+) sensors in the process of vesicular trafficking and exocytosis. Calcium binding to synaptotagmin-1 participates in triggering neurotransmitter release at the synapse (Fernandez-Chacon et al., 2001
, synovial sarcoma associated SS18-beta
, synovial sarcoma associated SS18-delta
, synovial sarcoma associated SS18-gamma
, synovial sarcoma, translocated to X chromosome
, synovial sarcoma-associated Ss18-alpha
, synovial sarcoma translocated to X chromosome protein
, synovial sarcoma translocation, chromosome 18
, synovial sarcoma translocation, chromosome 18 L homeolog