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  • Title: Serum level of anti-α-enolase antibody in untreated systemic lupus erythematosus patients correlates with 24-hour urine protein and D-dimer.
    Author: Li M, Li J, Wang J, Li Y, Yang P.
    Journal: Lupus; 2018 Jan; 27(1):139-142. PubMed ID: 28728510.
    Abstract:
    Objective The objective of this report is to evaluate the prevalence and clinico-serological correlations of anti-α-enolase antibody (Ab) in patients with systemic lupus erythematosus (SLE). Methods Thirty-two untreated patients with SLE and 20 age- and sex-matched healthy controls were evaluated by rheumatologic examinations. The serum levels of anti-α-enolase Ab were measured by an enzyme-linked immunosorbent assay (ELISA). Clinical, biochemical and serological markers of disease activity were measured by standard laboratory procedure. Results The serum levels of anti-α-enolase Ab in SLE patients were higher significantly than those in healthy controls. Moreover, patients with lupus nephritis displayed significantly higher levels of serum anti-α-enolase Ab than those without renal involvement. The serum anti-α-enolase Ab levels were positively correlated with serum whole IgG and 24-hour urine protein and negatively correlated with serum D-dimer level. Conclusion These data suggest that anti-α-enolase Ab associates with active renal disease in SLE and might reflect a state of active autoimmunity and fibrinolysis inhibition.
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