<prompt> Which of the following is not a C-C chemokine?IL-18MCP-1EotaxinMIP-1a  <response>: C-C chemokines include monocyte chemoattractant protein MCP-1, CCL2, eotaxin CCL11, macrophage inflammatory protein-1a MIP-1a, CCL3 These generally attract monocytes, eosinophils, basophils, and lymphocytes Less potent as chemoattractant for neutrophils IL-18 CXCL18 is a type of C-X-C chemokine, secreted by activated macrophages, endothelial cells, and causes activation and chemotaxis of neutrophils. 