Jo-1 ANTIBODIES (HISTIDYL-tRNA SYNTHETASE ANTIBODIES) - serum

---

Specimen: 5 mL blood in plain tube.

Method: Immunodiffusion.

Reference Interval: Qualitative test.

Application: Diagnosis of polymyositis.

Interpretation: The presence of Jo-1 antibodies defines a subset of polymyositis with associated interstitial lung disease, thrombocytopenia and Raynaud’s phenomenon.

Reference: Plotz PH et al. Ann Internal Med 1995; 122: 715-724.

---