Interestingly, two relevant hsa-miR-145-5p targets are overexpressed in LSG from SS-patients: mucin 1 (MUC1) (37, 38) and toll-like receptor 4 (TLR4) (39, 40), which have important roles in innate immunity, inflammation and glandular dysfunction. Here, MUC1 is linked to synovial sarcoma.