“…Both GVHD-related and classical autoimmune conditions often improve upon treatments that have been found successful also in preeclampsia and HELLP syndrome. Three examples are the treatment with corticosteroids, removal of autoantibody abnormalities via plasmapheresis, and the competitive binding of autoantibodies with intravenous immunoglobulin (Katz et al, 1990;Martin et al, 1990;Martin et al, 2006). Considering the significant degree of bidirectional cell traffic during pregnancy, one can speculate that, in analogy to GVHD, the autoimmune phenomena, seen in association with preeclampsia, may be immune responses by fetal lymphocytes to epitopes shared by mother and fetus.…”