TNF and Hypertension: Elevations in pro-inflammatory cytokines, such as interleukin (IL)-6, IL-1β, IL-1α, IL-18, IL-2, IL-8, tumor necrosis factor (TNF)-α, interferon (IFN)-γ, C-reactive protein (CRP), and monocyte chemoattractant protein (MCP)-1, have been associated with arterial hypertension [7].