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General
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Clinical Use:
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Antibodies to extractable nuclear antigens (ENA) are relevant to the assessment of patients with suspected systemic autoimmune disorders including systemic lupus erythematosus, Sjogren's syndrome, limited and diffuse systemic sclerosis, some forms of idiopathic inflammatory myositis and mixed connective tissue disease.
Samples are first tested by screening ELISA assay. Subsequent characterisation by line immunoassay is performed for samples with a positive screen result. |
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Availability:
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Samples are batched and tested once a week. |
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Aliases/Synonyms:
| Anti-ENA Autoantibody, Cenp-B (Centromere) Autoantibody, Jo-1 Autoantibody, La (SSB) Autoantibody, Ribosomal P Autoantibody, RNP (A, C & 70K), Ro52 & 60 (SSA), Scl70 (Topo I) Autoantibody, SmB Autoantibody, SmD Autoantibody, SSA Ro52 and Ro60 Autoantibody, SSB (La) Autoantibody, Topo-I (Scl70) Autoantibody, |
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Code:
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ENAS |
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Handling Instructions (to laboratory):
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Send sample chilled. |
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Hyperlink:
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Reference Interval:
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Refer to report or laboratory
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Collection Requirements
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Container:
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Serum Sep. Tube-SST (GOLD), |
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Sample Type:
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See container |
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Minimum Collection Volume:
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1ml |
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Collection Instructions:
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Processing Requirements
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Alternate Containers:
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Processing Instructions:
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Minimum Assay Volume:
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100uL |
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Stability:
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7 days chilled |
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Transport Instructions (to testing laboratory):
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Send sample chilled. |
Testing Locations
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Performed at:
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Section
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Department
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Site
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Contact Phone
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Immunology |
Fiona Stanley Hospital |
6152 8006 |
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Immunology |
QEII Medical Centre |
6383 4306 |
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Last Updated : 12-06-2025 10:02 |