|
| Soluble factor | Secreted by | Effects on trophoblast invasion | References |
|
Proinvasive | CCL14 | Decidua | Increase migration by promoting CAM expression alterations (α-catenin and integrin β5); increase invasion by increasing MMP-12 expression | [64, 78] |
CX3CL1 | [78] |
EGF | Decidua and mesenchymal villi | Increase invasion by increasing MMP-9 and TIMP-1 expression | [65, 79–82] |
HGF | Decidua, placental stromal cells, and uNK | Increase invasion by upregulating of H2.0-like homeobox gene | [83, 84] |
IGFBP-1 | Decidua | Increase invasion by increasing gelatinolytic activity | [31, 85–87] |
IL-1β | Cytotrophoblasts, decidua, macrophages, and uNK | Increase invasion by increasing MMP-2, MMP-9, and urokinase plasminogen activator expression | [78, 88–95] |
IL-6 | Cytotrophoblasts and uNK | Increase invasion by increasing MMP-2 and MMP-9 expression | [91, 96–101] |
IL-8 | Cytotrophoblasts, decidua, macrophages, and uNK | Increase invasion by increasing MMP-2, MMP-9, uPA, and plasminogen activator inhibitor (PAI) type 1 and 2 expression | [102, 103] |
IL-15 | Decidual cells | Increase invasion by increasing MMP-1 expression | [76, 104, 105] |
IP-10 | Endometrial stromal cells, uterine glandular cells, and uNK | Increase migration by increasing integrin expression (α5 and β3) | [106–108] |
LIF | Decidual stromal cells and uNK | Increase adhesion through changes in integrin expression; increase invasion by decreasing TIMP-1 expression | [109–115] |
RANTES | Uterine stromal cells | Increase adhesion and migration by increasing cytolytic activity and integrin expression (β1) | [116–118] |
|
| IL-11 | Cytotrophoblasts, uNK, and decidua | Involvement in EVT function less understood; inhibiting invasion in HTR-8/SVneo and increasing in JEG-3 | [119–121] |
|
Anti-invasive | CXCL14 | Decidual stromal cells | Decrease invasion by gelatinase activity suppression | [64] |
IL-10 | Macrophages and uNK | Decrease invasion by downregulating MMP-2 and MMP-9 expression | [122] |
INF-γ | Cytotrophoblasts, decidua, and uNK | Decrease invasion by decreasing insulin-like growth factor receptor-II | [123–127] |
Kisspeptin-10 | Cytotrophoblasts and decidua | Decrease invasion by binding to g protein-coupled receptor kisspeptin-1 receptor increasing Ca2+ intracellular levels | [123–127] |
TGF-β | Cytotrophoblasts, decidua, and uNK | Decrease invasion by increasing of TIMP-1 and TIMP-2 and plasminogen activator inhibitor type 1 and 2 expression; increases adhesion by upregulating the expression of CAM (ezrin and e-cadherin) | [62, 79, 85, 123–125, 128–130] |
TNF-α | Cytotrophoblasts, decidua, macrophages, and uNK | Decrease invasion by upregulation plasminogen activator inhibitor type 1 expression | [123, 125, 130–132] |
VEGF | Decidua, macrophages, and uNK | Decrease invasion by inhibiting urokinase plasminogen activator expression | [133] |
|