Antinuclear Antibodies (ANA)
Antinuclear antibodies
Autoantibodies that bind nuclear components; common in lupus but also found in some healthy people.
Overview
EXPLORE BY LEVELANA are Proteins made by B-cell descendants that bind particular molecular targets. Binding does not by itself prove that an antibody neutralizes its target. that mistakenly target the body's own cell nuclei. Many people with lupus have them, but so do some healthy people.
Quick Facts
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Recommended Reading
Trusted references for learning more about Antinuclear Antibodies (ANA).
Research Claims
A single autoantibody is not a diagnosis: a positive ANA can occur in healthy people and cannot by itself diagnose lupus or any specific disease.
ANA prevalence rises with age and in women. Diagnosis of SLE or other autoimmune disease requires clinical features and additional laboratory findings.