Of the 8 trophoblast side-population genes, CXCL8 (Fig. 6A, p = 0.0335 in preeclampsia; Fig. 6B, p = 0.0001 in FGR) and ELL2 (Fig. 6C, p = 0.0006; Fig. 6D, p = 0.0065 respectively) were upregulated. Here, CXCL8 is linked to preeclampsia.