These included: types of idiopathic inflammatory myopathies (IIMs), positive anti-Ro52 antibody, positive anti-PL7 antibody, elevated white blood cell count, elevated neutrophil count, chest tightness and dyspnea, joint pain, elevated platelet count, elevated aspartate aminotransferase (AST), elevated alanine aminotransferase (ALT), elevated lactate dehydrogenase (LDH), and elevated immunoglobulin A (IgA) (Table 2). Here, TRIM21 is linked to idiopathic inflammatory myopathy.