Synovial sarcoma, X breakpoint

Synovial sarcoma, X breakpoint (SSX) refers to a group of genes rearranged in synovial sarcoma.[1]

They include:

The group also has several associated pseudogenes, and the interacting protein SSX2IP.

The translocation t(X;18) creates a fusion of the SYT gene(at 18q11) with either SSX1 or SSX2 (both at Xp11). Neither SYT, nor the SSX proteins contain DNA-binding domains. Instead, they appear to be transcriptional regulators whose actions are mediated primarily through protein–protein interactions, with BRM in the case of SYT, and with Polycomb group repressors in the case of SSX. [2]

References
  1. Valmori D, Qian F, Ayyoub M, et al. (January 2006). "Expression of synovial sarcoma X (SSX) antigens in epithelial ovarian cancer and identification of SSX-4 epitopes recognized by CD4+ T cells". Clin. Cancer Res. 12 (2): 398–404. doi:10.1158/1078-0432.CCR-05-1902. PMID 16428478.
  2. Ladanyi, M (2001). "Fusions of the SYT and SSX genes in synovial sarcoma". Oncogene. 20 (40): 5755–62. doi:10.1038/sj.onc.1204601. PMID 11607825.


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