| BMP | Bone morphogenetic protein |
| sEng | Soluble endoglin |
| ICAM-1 | Inter-cellular adhesion molecule 1 |
| OPN | Osteopontin |
| PDGF | Platelet-derived growth factor |
| PlGF | Placenta growth factor |
| TGFβ | Transforming growth factor-β |
| TSP2 | Thrombospondin 2 |
| VEGF | Vascular endothelial growth factor |