Table 1.
Cases with anti-RPA autoantibodies
| Case | Age | Sex | Race | Diagnosis | SLE criteria | ELISA (unit) | Western blot | ||
| RPA70 | RPA32 | RPA14 | |||||||
| 1 | 27 | F | Black | SLE | 7 | 189.0 | ++ | ++ | + |
| 2 | 45 | F | Latin | SLE | 5 | 11.5 | ++ | ++ | + |
| 3 | 35 | F | Mixed | SLE | 4 | 19.6 | + | ++ | + |
| 4 | 23 | M | Black | SLE | 6 | 27.0 | - | - | - |
| 5 | 41 | F | White | Possible SLE | 3 | 149.1 | + | ++ | - |
| 6 | 61 | F | White | SjS, PBC | 1 | 125 | ++ | ++ | + |
| 7 | 56 | F | Black | ILD | 1 | > 625 | + | ++ | + |
| 8 | 48 | F | White | Thyroiditis, HCV, pernicious anemia | 1 | 81.8 | + | ++ | + |
| 9 | 51 | F | Black | Unknown | 1 | 34.4 | - | - | + |
SLE, systemic lupus erythematosus; SjS, Sjögren syndrome; PBC, primary biliary cirrhosis; ILD, interstitial lung disease; HCV, hepatitis C virus infection; ELISA, enzyme-linked immunosorbent assay; RPA, replication protein A.