APC and preeclampsia: Genetic explorations in patients with HELLP syndrome, with or without preeclampsia, and without clinical evidence for atypical Hemolytic Uremic Syndrome (aHUS), revealed mutations in APC regulator such as CFI, MCP, and numerous CFH receptor mutations (CFHR1, CFHR3, CFHR5) (Vaught et al. 2018, 2022; Huerta et al. 2018).