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antinuclear factor


Definition: a factor, usually antibodies, present in serum with strong affinity for certain nuclear proteins and detected by fluorescent antibody technique; present in patients with lupus erythematosus, rheumatoid arthritis, and certain other autoimmune conditions; may also be present at lower levels in normal people.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.