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Anti-Jo-1 Antibody
Aka: Anti-Jo-1 Antibody, Jo1 Antibody, Anti-Jo1, Anti-Jo-1 Antibody Test, Anti-Jo1 Test
- See Also
- Antinuclear Antibody
- Mechanism
- Anti-Jo-1 Antibodies are directed against histidyl-transfer RNA synthetase
- Anti-Jo-1 accounts for 80% of Myositis specific antibodies in Antisynthetase syndrome (subset of Polymyositis)
- Causes: Negative
- Normal
- Causes: Positive (Percentage refers to Test Sensitivity)
- Polymyositis and Dermatomyositis (30%)
- Interstitial Lung Disease (Pulmonary fibrosis)
- Raynaud's Phenomenon
- References
- Gladman in Klippel (1997) Rheumatic Diseases p. 255-6
- Peng in Ruddy (2001) Kelley's Rheumatology, p. 161-72
- Callegari (1995) Postgrad Med, 97(4):65-74 [PubMed]
- Lane (2002) Am Fam Physician 65(6):1073-80 [PubMed]