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Antibody Markers
Question | Answer |
---|---|
Anti-ds-DNA (native DNA) | SLE only (60%); an indicatore of disease activity and lupus nephritis |
Anti histone | Drug induced lupus (95%) |
Anti centromer | CREST |
Anti-SM | SLE only (25-30%) |
Anti Ro (SSA) | Sjogren; neonatal lupus |
Anti LA (SSB) | Sjogren |
Anti RNP | Mixed Connective Tissue Disease 100% |
Anti glomerular basement membrane antibody | Goodpasture |
Scl-70 (anti-DNA topoisomerase 1): | progressive systemic sclerosis; anti-centromere more in the localized form (CREST) |
c-ANCA | Wegener |
p-ANCA | PAN and Churg Strauss syndrome and Primary Sclerosing Cholangitis; Ulcerative colitis (50-80%) |
Anti-Jo1 | inflammatory myopathies |
Anti Smith antibodies | SLE specific |
HLA-B27 | Ankylosing spondylitis; also reactive and psoriatic arthritis |
DR4 and DR1 | Rheumatoid arthritis |
DR3 | Sjogren, SLE and also RA |