TRIM21 and interstitial lung disease: In the ASyS group, the antibodies most frequently associated with ILD were anti-Ro52 (n = 8, 47.1%), anti-Jo1 (n = 6, 35.3%), and anti-PL-7 (n = 6, 35.3%), followed by anti-PL-12 (n = 4, 23.5%) and anti-Ku (n = 1, 5.9%).