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. 2021 Jun 2;14(6):e242234. doi: 10.1136/bcr-2021-242234

Table 1.

Myositis extended panel

Myositis extended panel
Marker Reference range and units
SAE1 (SUMO activating enzyme) Negative
NXP-2 (nuclear matrix proten-2) Negative
MDA5 (CADM-140) antibody (Ab) Negative
TIF-1 gamma (155 kDA) Ab Negative
Mi-2 (nuclear helicase protein) Ab Negative
P155/140 Ab Negative
PL-12 (alanyl-tRNA synthetase) Ab Negative
PL-7 (threonyl-tRNA synthetase) Ab Negative
OJ (isoleucyl-tRNA synthetase) Ab Negative
EJ (glycyl-tRNA synthetase) Ab Negative
SRP (Signal Recognition Particle) Ab Negative
Jo-1 (histidyl-tRNA synthetase) Ab IgG 2 AU/mL (<30 AU/mL=negative)
Ku Ab Negative
Smith/RNP Ab 5 AU/mL (<30 AU/mL=negative)
PM/SCL-100 Ab IgG Negative
SSA-52 (Ro) Ab IgG 13 AU/mL (<30 AU/mL=negative)
SSA-60 (Ro) Ab IgG 14 AU/mL (<30 AU/mL=negative)
Fibrillarin (U3 RNP) Ab IgG Negative