CXCL8 and Alzheimer disease: Interestingly, patients with AD exhibit elevated peripheral inflammatory cytokine levels very similar to those recorded in patients with MPNs, including elevated C-reactive protein, interleukin-1β (IL-1β), IL-2, IL-6,IL-8, IL-12, IL-18, soluble tumor necrosis factor receptor1 (sTNFR1), soluble tumor necrosis factor receptor2 (sTNFR2), monocyte chemotactic protein-1 (MCP-1), MCP-3, interferon-γ-inducible protein 10, and soluble CD40 ligand.