HLA-C and synovial sarcoma: In congenic strains of NOD mice models of SS (NOD.B10-H2b, NOD.H2p, NOD.H2q, NOD.H2h4) replacement of I-Ag7 with other MHC molecules does not prevent salivary and lacrimal gland infiltration and decreased saliva and tear production [16], [48], [63].