Jo-1 antibodies (Histidyl-tRNA synthetase antibodies) - serum
Last updated: Wednesday, 17, March, 2004
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5 mL blood in plain tube.
| Reference Interval|
Diagnosis of polymyositis.
The presence of Jo-1 antibodies defines a subset of polymyositis with associated interstitial lung disease. It is present in a small proportion of patients with polymyositis alone.
Autoantibodies against other t-RNA synthetases are also found in association with polymyositis.
Imbert-Masseau A. Joint Bone Spine 2003; 70(3): 161-168.