SNRPD1 and systemic lupus erythematosus: Fourteen different specificities, including Sm, SmD1, SmD3, U1-snRNP-BB”, U1-snRNP-C, Ribo-phosphoprotein-P1 (RPP1) and Ribo-phosphoprotein-P2 (RPP2) were increased in the TLR7hi SLE group only (Figure 4B and Table 2).