Table I.
Cytokine | Family | Cell origin | Function | Role in sepsis |
---|---|---|---|---|
Pro-inflammatory | ||||
IL-1β | IL-1 | Macrophages, monocytes | Cell proliferation, differentiation, apoptosis | Unknown |
IL-6 | IL-6 | T-cells, macrophages, endothelial cells | Cell growth, differentiation, cytokine production | Disease severity, mortality, biomarker |
IL-8 | CXC | Macrophages, epithelial cells, endothelial cells | Chemotaxis, angiogenesis | Mortality, biomarker |
IL-12 | IL-12 | Dendritic cells, macrophages, B-cells | IFN-γ production, TNF-α production, Th1 differentiation | Unknown |
IL-17 | IL-17 | Helper T-cells | Cytokine/chemokine production, anti-tumor immunity, autoimmunity | Controversial |
IL-18 | IL-1 | Macrophages, monocytes, dendritic cells | IFN-γ production, anti-microbial immunity | Disease severity, biomarker |
IFN-γ | IFN | T-Cells, NK cells, NKT cells | Anti-infection, anti-tumor immunity, autoimmunity | Unclear |
GM-CSF | IL-4 | T-Cells, macrophages, mast cells, endothelial cells, fibroblasts | Cell growth, survival, granulocyte development, monocyte development, autoimmunity | Unclear |
TNF-α | TNF | Macrophage, CD4 T-cells, NK cells | Cytokine production, cell proliferation, apoptosis, anti-infection, tumor necrosis | Disease progress, survival, biomarker |
Anti-inflammatory | ||||
IL-1Ra | IL-1 | Macrophages, monocytes, dendritic cells | IL-1α inhibitor, IL-1β inhibitor | Unknown |
IL-4 | IL-4 | T-Cells, mast cells, basophils | Cell proliferation, Th2 differentiation | Unclear |
IL-10 | IL-10 | Th2 cells, B-cells, monocytes | Potent inhibitor of pro-inflammatory cytokine production | Disease severity, mortality |
IL-11 | IL-6 | Fibroblasts, neurons, epithelial cells | Induction of Th2 cytokines, inhibition of Th1 cytokine production | Unknown |
IL-13 | IL-4 | Th2 Cells | Inhibitor of pro-inflammatory cytokine production | Unknown |
TGF-β | TGF-β | Macrophages, T-cells | Proliferation, apoptosis, differentiation, migration, inhibition of pro-inflammatory cytokine production | Unclear |
IL: Interleukin; CD: cluster of differentiation; Th: T helper; IFN: interferon; TNF: tumor necrosis factor; TGF: transforming growth factor; GM-CSF: granulocyte-macrophage colony-stimulating factor; CXC: cysteine X cysteine.