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. 1989;8(6):273-7.
doi: 10.1007/BF00270984.

Plasminogen activation in plasma of patients with systemic lupus erythematosus

N Negoro  1 , Y Kanayama, T Takeda, M Fujisawa, M Okamura, T Inoue
Affiliations

Plasminogen activation in plasma of patients with systemic lupus erythematosus

N Negoro et al. Rheumatol Int. 1989.

Abstract

We measured alpha 2-plasmin inhibitor-plasmin complexes (PI-PC) in plasma of patients with systemic lupus erythematosus (SLE) to examine the plasminogen activation in SLE. The plasma PI-PC level in 23 patients with SLE was significantly higher than that in 18 normal subjects (P less than 0.001) and the SLE patients with nephrotic syndrome had higher plasma PI-PC levels than those without nephrotic syndrome (P less than 0.01). In addition, the plasma PI-PC level was significantly correlated with the level of plasma C3 breakdown products (iC3b/C3dg) in the patients with SLE (r = 0.53, P less than 0.01). These results suggest that plasminogen is activated in plasma of patients with SLE and that the plasminogen activation may be associated with the activation of complement in SLE.

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