anti-Ri antibody

anti-Ri antibody
an autoantibody having neuronal binding characteristics similar to those of anti-Hu antibody but directed against a different RNA-binding site; it is associated with paraneoplastic opsoclonus-myoclonus in small cell lung carcinoma and cancer of the breast and fallopian tube. Called also type 2 antineuronal antibody (ANNA-2).

Medical dictionary. 2011.

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