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Immunometabolic framework provides a way to understand the immune regulation via cell intrinsic metabolic fluxes and metabolites during infections, tumors, and inflammatory disorders. During these diseases, the immune cells are activated requiring more energy and moderating their metabolic functions. The two categories of metabolic alterations are therefore causally associated with energy derivation and cellular functions. Pathogens, tumors and inflammation target energy metabolism, primarily glucose uptake, glucose catabolism, gluconeogenesis for continuing lipid metabolism through mainstream pathways such as glycolysis, tricarboxylic acid cycle, mitochondrial respiration and pentose phosphate pathway. Many biosynthetic pathways such as those of cholesterol, ceramide, sphingolipids, and fatty acids are altered explaining the metabolic interface in molecular pathogenesis in various infectious and non …