Differential roles of SS18-SSX fusion gene and insulin-like growth factor-1 receptor in synovial sarcoma cell growth..     ///     Recently we demonstrated that the synovial sarcoma specific fusion gene SS18-SSX is crucial for cyclin D1 expression and is linked to cell proliferation.     ///    "In conclusion, SS18-SSX and IGF-1R seem to play important but different roles in maintaining malignant growth of synovial sarcoma cells. "    ///    "Whereas SS18-SSX maintains cyclin D1 and cell proliferation, IGF-1R protects from apoptosis.. "    ///    In this report we explore the role of SS18-SSX and IGF-1R for their potential functions in cellular proliferation and survival in cultured synovial sarcoma cells.     ///    We found that targeting of SS18-SSX mRNA by antisense oligonucleotide treatment drastically and rapidly decreased cell proliferation but caused only a slight increase of apoptosis. 