IL17A and psoriasis: Within this framework, Ganzetti et al. assessed the salivary expression levels of several cytokines and chemokines—including interleukin IL-1β, IL-6, transforming growth factor β1, IL-8, TNF-α, IFN-γ, IL-17A, IL-4, IL-10, monocyte chemoattractant protein MCP-1, macrophage inflammatory protein MIP-1α, and MIP-1β—utilizing multianalyte ELISA arrays in patients with psoriasis [188].