TABLE 3
Antiantisynthetase autoantibodies
Antibody
Antigen (tRNA synthetase)
Prevalence in idiopathic inflammatory myopathy (%)
Jo-1
Histidyl
20–30
PL-7
Threonyl
<5
PL-12
Alanyl
<5
OJ
Isoleucyl
< 5
EJ
Glycyl
< 5
KS
Asparaginyl
< 1
Try
Tyrosyl
< 1
Zo
Phenylalanyl
< 1