LEP and obesity due to melanocortin 4 receptor deficiency: Twelve cytokines were selected that may represent one or more physiological process associated with antimicrobial activity (IL-17F, IL-17A, IL-21, IL-22, IL-23, IL-12p40)20, autoimmunity (Eotaxin)21, allergy (IL-4, IL-13)22, and viral infection (IFNG)23, as well as cytokines related to obesity (Leptin)24 and regulation of inflammation (TGFB)25.