TRIM21 and juvenile dermatomyositis: In the anti-DFS70-positive group, only 4.8% (5/104) of patients had an AARD (4 with SLE, 1 with JDM), and all five patients had at least one additional disease-specific antibody, (anti-dsDNA, anti-snRNP, anti-SS-A, anti-Ro-52, anti-nucleosome, anti-histone, anti-ribosomal P-Protein and/or anti-AMA-M2) (Table 2).