When compared with non-SS sarcoma cell lines, the three SS lines (HSSY II, an SS18::SSX1-positive SS cell line, as well as SYO-1 and FUJI, the two SS18::SSX2-positive SS lines) exhibited notable dependencies on both bromodomain-containing 9 (BRD9) (fig. The gene discussed is BRD9; the disease is sarcoma.