Clinical significance of serum Wisteria floribunda agglutinin positive Mac-2-binding protein level and high-sensitivity C-reactive protein concentration in autoimmune hepatitis.
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OBJECTIVE
We aimed to examine the relationship between the Wisteria floribunda agglutinin positive Mac-2-binding protein (WFA(+) -M2BP) level and high-sensitivity C-reactive protein (hCRP) concentration and liver histological findings for patients with autoimmune hepatitis (AIH).
METHODS
A total of 84 AIH patients (median age, 64 years) were analyzed. We examined the effect of pretreatment WFA(+) -M2BP level and hCRP concentration on histological findings of liver fibrosis and liver inflammation activity comparing with other laboratory markers. Receiver-operator curve (ROC) analysis was performed for calculating the area under the ROC (AUROC).
RESULTS
The median WFA(+) -M2BP values in each fibrosis stage were: 1.5 cut-off index (COI) in F1, 2.1 in F2, 3.3 in F3 and 9.8 in F4 (P < 0.001). The median WFA(+) -M2BP values in each liver inflammation stage were: 1.6 COI in A1, 2.5 in A2 and 5.4 in A3 (P < 0.001). For predicting liver cirrhosis (F4), WFA(+) -M2BP yielded the highest AUROC (0.853). For predicting advanced liver fibrosis (F3 or F4), WFA(+) -M2BP, FIB-4 index and hyaluronic acid yielded the highest AUROC (0.747). For predicting severe liver inflammation activity (A3), WFA(+) -M2BP yielded the highest AUROC (0.739). The hCRP concentration in patients with A3 (median, 2230 ng/mL) was significantly higher than that in patients with A1 or A2 (median, 854.5 ng/mL) (P < 0.01). WFA(+) -M2BP level significantly correlated with hCRP concentration (rs = 0.461, P < 0.001).
CONCLUSIONS
WFA(+) -M2BP can be a useful marker for assessing liver histological findings in AIH patients and it correlated well with hCRP concentration.
