In blood samples obtained from persons with acute coronary syndrome episodes, elevated concentrations of chemokines (IL-8, MCP-1, eotaxin, MIP-1α, and IP-10) and cytokines (IL-1, IL-6, IL-7, IL-12, IL-17, IFN-α, and granulocyte-macrophage colony-stimulating factor) regulating both innate and adaptive immunity have been observed [22]. Here, IL17A is linked to acute coronary syndrome.