CCL2 and metabolic syndrome: During metabolic syndrome, these inflammatory cells secrete massive amounts of proinflammatory cytokines, as Interferon γ (IFNγ), Interleukin 6 (IL-6), and TNFα [35, 67, 68], lipid mediators, as Leukotriene B4 (LTB4) [69], and chemokines, as Monocyte Chemoattractant Protein-1 (MCP1) [70–72].