CST6 and preeclampsia: CST6 protein concentration was significantly increased in patients preceding diagnosis of term preeclampsia with a median of 2.47 × 104 pg/mL (IQR, 8.87 × 103 pg/mL – 6.23 × 104 pg/mL) (Fig. 3A, P = 0.008), compared to gestation-matched controls, median of 1.80 × 104 pg/mL (IQR, 4.79 × 103 pg/mL – 1.36 × 105 pg/mL).