S100B and preeclampsia: Plasma concentrations of NfL, tau, NSE and S100B were all higher in women with preeclampsia compared with women with normal pregnancies (8.85 vs. 5.25 ng/L, p < 0.001; 2.90 vs. 2.40 ng/L, p < 0.05; 3.50 vs. 2.37 μg/L, p < 0.001 and 0.08 vs. 0.05 μg/L, p < 0.01, respectively).