During the early hours after the onset of stroke, there are increments of various cytokines such as interleukin-1 beta (IL-1β), interleukin-1 receptor antagonist (IL-1ra), interleukin-6 (IL-6), IL-8, IL-10, and tumor necrosis factor alpha (TNF-α). This evidence concerns the gene CXCL8 and Stroke.