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bnormality in these parameters was improved.
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Objective To determine the relationship between serum interferon-inducible T cell alpha chemoattractant(I-TAC)levels and disease activity in patients with systemic lupus erythematosus(SLE).Methods Serum level of I-TAC was measured by sandwich ELISA.Results①Serum level of I-TAC was significantly increased in patients with SLE as compared with controls,and significantly higher in patients with active SLE than those of the inactive.Serum level of I-TAC showed significant positive correlation with disease activity,erythrocyte sedimetation rate(ESR),logarithm of serum ANA titer,and negative correlation with serum C3levels.②Serum level of I-TAC was significantly higher in patients with renal involvement than those without renal diseases.Conclusions These results suggest that I-TAC might be involved in the pathogenesis of SLE,and its serum level might be used as a good indicator for the disease activity of SLE and renal involvement.
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Objective To determine the relationship between serum levels of MCAF/MCP-1 (monocyte chemotactic and activating factor/monocyte chemoattractant protein-1), RANTES(regulated on activation, normal T-cell expressed and secreted) and the disease activity of systemic lupus erythematosus(SLE). Methods Serum levels of MCAF and RANTES were measured by ELISA. Results ①Serum level of MCAF but not RANTES, was significantly increased in patients with SLE as compared with controls. ②Serum level of MCAF but not RANTES, was markedly higher in patients with active disease than those with inactive disease. ③No significant differences were found in the serum levels of MCAF and RANTES between patients with renal damage and those without. Conclusions These results suggest that MCAF may be involved in the pathogenesis of SLE, and serum MCAF levels could be an indicator for the disease activity of SLE.