TABLE 1.
Innate immune cells regulated by APC.
| Cell type | Cell line | Receptors | Inhibitory effects | References |
|---|---|---|---|---|
| Monocytes | Primary [Human] (blood) | Unknown | Reduction in MIP-1-α release in septic patients and healthy volunteers | [65,66] |
| Reduction in expression of CD14, CD11b and CD18 induced by INF-γ or PMA | ||||
|
|
||||
| THP-1 U937 | EPCR, PAR1, ApoER2 | Reduction in MIP-1-α, MCP-1, TNF-α release ± LPS | [62,65,67] | |
| CAM-induced apoptosis | ||||
| Dab1-dependent signaling | ||||
|
| ||||
| Macrophages | Primary (alveolar) | Unknown | Reduction in TNF-α release in response to LPS | [66,68] |
| [Mouse] (BMDM) | PAR 1 | Suppression of NLRP3 inflammasome activation | ||
|
| ||||
| Neutrophils | Primary (blood) | EPCR, integrins, PAR3 | Reduction in chemotaxis | [58,60,69–72] |
| No effect on spontaneous apoptosis | ||||
| APC cleavage of extracellular histones (in vitro and in vivo) | ||||
| Inhibition of NET s formation | ||||
Footnote. Table Abbreviations. APC: Activated protein C; BMDM: bone marrow-derived macrophages; THP-1: monocytic cell line; U937: monocytic cell line; EPCR: endothelial protein C receptor; PARs-1,3: protease activated receptor-1/3; NLRP3: NOD-like receptor 3; ApoER2: Apolipoprotein E receptor 2; MIP-1-α: macrophage inhibitory protein 1-α; INF-γ: Interferon-γ; PMA: phorbol 12-myristate 13-acetate; MCP-1: monocyte chemoattractant protein-1; TNF-α: tumor necrosis factor-α; LPS: lipopolysaccharide; CAM: camptothecin.