MARVELD2 and synovial sarcoma: Next, to elucidate alterations in tricellulin during the onset and progression of SS, we utilized differently aged NOD mice, a well-established animal model that recapitulates features of Sjögren’s-like syndrome.25,26 At 7 weeks of age, no discernible histological differences were apparent in the SMGs of NOD mice relative to BALB/c mice.