Furthermore, BMP6 expression showed a significant correlation with LAMP3 (r = 0.89, P < 0.01) and TLR4 (r = 0.94, P < 0.01) expression (Figure 5C), again supporting an association among LAMP3, TLR4, and BMP6 in SS. This evidence concerns the gene TLR4 and synovial sarcoma.