Ku, Rare and Specific Antigen in Scleroderma, May Be Linked to Lung Disease
Few scleroderma patients have antibodies directed specifically against the Ku antigen, but those who do, and have them as the only autoantibody present, are more likely to have interstitial lung disease and higher levels of a muscle degradation factor. Ku autoantibodies, as noted, are rare in people with scleroderma. The…