On POD4, HF treatment attenuated the up-regulation of Ceacam1, CD80 (activated B-cells/monocytes), CD86 (antigen presenting cells and the monocyte/macrophage activity marker ficolin B. As a second gene set, we measured mRNA-expression of pro-inflammatory cytokines such as interferon gamma (Infg), tumor necrosis factor (Tnf), tumor necrosis factor (ligand) superfamily member 15 (Tnfsf15), adhesion molecules (Icam1, Vcam1), and kidney injury molecule 1 (Kim1). Here, CD86 is linked to hydrops fetalis.