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Table 3 Antibody profiles determined by immunoprecipitation

From: Myositis autoantibodies in Korean patients with inflammatory myositis: Anti-140-kDa polypeptide antibody is primarily associated with rapidly progressive interstitial lung disease independent of clinically amyopathic dermatomyositis

 

PM

n = 11 (%)

DM

n = 38 (%)

Total

n = 49 (%)

Myositis specific antibodies

4 (36.4)

10 (26.3)

14 (28.6)

   Anti-ARS antibodies

3 (27.3)

3 (7.9)

6 (12.2)

   Anti-Mi2 antibody

0

7 (18.4)

7 (14.3)

   Anti-SRP antibody

1 (9.1)

0

1 (2.0)

Anti-p140 antibody

0

9 (23.7)

9 (18.4)

Anti-p155/140 antibody

0

8 (21.1)

8 (16.3)

Myositis associated antibodies

1 (9.1)

9 (23.7)

10 (20.4)

   Anti-U1 RNP

0

6 (15.8)

6 (12.2)

   Anti-Ro

1 (9.0)

3 (7.9)

4 (8.2)

   Anti-La

0

1 (2.6)

1 (2.0)

  1. ARS = aminoacyl tRNA synthetase, DM = dermatomyositis, PM = polymyositis, SRP = signal recognition particle, RNP = ribonucleoprotein