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Anti-Jo-1 Antibody
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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]
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