Proinflammatory cytokines, such as interleukin‐1β (IL‐1β), interleukin‐6 (IL‐6), tumor necrosis factor‐α (TNF‐α), and interferon‐γ (IFN‐γ), have been implicated in the pathogenesis of CAD.5 This evidence concerns the gene TNF and coronary artery disorder.