TRIM21 and Schwartz-Jampel syndrome: Moreover, the MRL/lpr mouse model is included in all review papers about murine models of SjS, including the ones focusing on primary SjS and it has all key features of SjS: female sex predilection, decreased salivary flow rate (49) and tear production, lymphocytic infiltrates in the salivary and lacrimal glands, and anti-Ro60, anti-Ro52 and anti-La autoantibodies.