• Medicina clinica · Aug 2023

    The role of anti-HMGB1 antibody and anti-moesin antibody in ANCA-associated vasculitis.

    • Yanping Wang, Jing Shi, Caiping Tan, Lin Zou, Pu Chen, and Peng Luo.
    • Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China. Electronic address: wyp.2310@163.com.
    • Med Clin (Barc). 2023 Aug 11; 161 (3): 101106101-106.

    ObjectiveThe study aims to evaluate the role of anti-high mobility group box 1 (HMGB1) antibody and anti-moesin antibody in the diagnosis of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) and its possible relationship with the different clinical manifestations.MethodsThe study involved 60 AAV patients, 58 patients with autoimmune disease other than AAV and 50 healthy subjects. The serum levels of anti-HMGB1 and anti-moesin antibodies were determined by enzyme-linked immunosorbent assay (ELISA), and the second determination was made 3 months after treatment of AAV patients.ResultsSerum levels of anti-HMGB1 and anti-moesin antibodies in AAV group were significantly higher than those in non-AAV group and HC group. The area under the curve (AUC) of anti-HMGB1 and anti-moesin in diagnosing AAV were 0.977 and 0.670, respectively. Anti-HMGB1 levels were significantly elevated in AAV patients with pulmonary involvement, while the concentrations of anti-moesin were significantly increased in patients with renal damage. Anti-moesin were positively correlated with BVAS (r=0.261, P=0.044), creatinine (r=0.296, P=0.024) and negatively correlated with complement C3 (r=-0.363, P=0.013). Besides, anti-moesin levels of active AAV patients were significantly higher than those in inactive patients. The concentrations of serum anti-HMGB1 could be significantly decreased after induction remission treatment (P<0.05).ConclusionAnti-HMGB1 and anti-moesin antibodies play important roles in the diagnosis and prognosis of AAV, which may act as potential disease markers for AAV.Copyright © 2023 Elsevier España, S.L.U. All rights reserved.

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