Cytokine concentrations in HCV-related disorders and systemic vasculitis.
| IL-1ß | IL-1 receptors 1/2 | IL-1RA | TNF-α | |
|---|---|---|---|---|
| Untreated patients with HCV5–8 | = | ↑ | ↑ | ↑ |
| HCV-associated mixed cryoglobulinemia15 | ↑ | ↑ | ↑ | ↑ |
| No HCV-related vasculitides28,29 | ↑ | ↓ | ↑ | ↑ |
| HCV-associated lymphoproliferative disease14 | ↑ | ↑ | ↑ | ↑ |
HCV: hepatitis C virus; IL-1ß: interleukin 1ß; TNF-α: tumor necrosis factor-α: IL-1RA: IL-1 receptor antagonist.