Table 1.
Frequency of anti-calpastatin antibody in patients with psoriasis.a
| Anti-calpastatin antibody | |||
|---|---|---|---|
| IgGb | IgM | IgG or IgM | |
| Psoriasis (n = 77) | 18 (23) | 3 (4) | 20 (26) |
| ″Psoriasis vulgaris (n = 55) | 13 (24) | 3 (5) | 15 (27) |
| ″Psoriatic arthritis (n = 16) | 4 (25) | 0 | 4 (25) |
| Generalized pustular psoriasis (n = 6) | 1 (17) | 0 | 1 (17) |
| RA (n = 24) | 6 (25) | 5 (21) | 9 (38) |
| Normal (n = 64) | 3 (5) | 1 (2) | 4 (6) |
a
Values are the number (%) of patients with anti-calpastatin antibody that was determined by ELISA using human recombinant calpastatin domain I.
b
Isotypes (IgG or IgM) of anti-calpastatin antibody were determined using isotype-specific antihuman Ig antibodies.