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  2. Antinuclear antibody - Wikipedia

    en.wikipedia.org/wiki/Antinuclear_antibody

    An ANA test is considered positive if fluorescence is seen at a titre of 1:40/1:80. Higher titres are more clinically significant as low positives (≤1:160) are found in up to 20% of healthy individuals, especially the elderly. Only around 5% of the healthy population have ANA titres of 1:160 or higher. [8] [53]

  3. Anti-dsDNA antibodies - Wikipedia

    en.wikipedia.org/wiki/Anti-dsDNA_antibodies

    Titres are monitored more often in cases of more active lupus than that of less active lupus at intervals of 1–3 months and 6–12 months, respectively. [1] Anti-dsDNA antibodies are highly associated with glomerulonephritis in SLE, although some patients with high titers of anti-dsDNA antibodies do not develop renal disease. This is most ...

  4. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Blood test results should always be interpreted using the reference range provided by the laboratory that performed the test. ... 310, [16] 320 [16] 330, [16] 340 [16 ...

  5. Extractable nuclear antigen - Wikipedia

    en.wikipedia.org/wiki/Extractable_nuclear_antigen

    The ANA tests for the presence or absence of autoantibodies, while the ENA panel evaluates which proteins in the cell nucleus the autoantibodies recognize. The ENA panel helps diagnosis, distinguish between, and monitor the progression of autoimmune diseases and is performed with a simple blood draw.

  6. p-ANCA - Wikipedia

    en.wikipedia.org/wiki/P-ANCA

    ANCA will less commonly form against alternative antigens that may also result in a p-ANCA pattern. These include lactoferrin, elastase, and cathepsin G. [citation needed] When the condition is a vasculitis, the target is usually MPO. [1] However, the proportion of p-ANCA sera with anti-MPO antibodies has been reported to be as low as 12%. [2]

  7. Titer - Wikipedia

    en.wikipedia.org/wiki/Titer

    A viral titer is the lowest concentration of a virus that still infects cells. To determine the titer, several dilutions are prepared, such as 10 −1, 10 −2, 10 −3, ... 10 −8. [1] The titer of a fat is the temperature, in degrees Celsius, at which it solidifies. [4] The higher the titer, the harder the fat.

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    mail.aol.com

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  9. Nephritic syndrome - Wikipedia

    en.wikipedia.org/wiki/Nephritic_syndrome

    Antinuclear antibody (ANA) titer - ANA is commonly positive in patients who have an underlying autoimmune disease, so this test is useful if the physician suspects an underlying autoimmune disease (refer to the Causes section above for examples) as the cause of the presenting nephritic syndrome. If positive, then the physician may order ...