Type 2 Diabetes Mellitus, Cardiovascular Disease, and Other Related Metabolic Conditions for Identifying Neutrophil-as Associated factor with Various Metabolic Disorders May Enable Early Detection
There is a close interaction between metabolic and inflammatory pathways, both of which are disrupted in the subject at hand, Type 2 diabetes (T2D). This condition is characterized by the activation of inflammatory signaling networks, overproduction of cytokines, and higher acute-phase reactants, establishing a pro-inflammatory cycle. In T2D, consequences of an abundance of nutrients such as high glucose, elevated lipids and branched-chain amino acids affect the functions of certain immune cells, notably neutrophils. Metabolically active neutrophils utilize glycolysis for energy and rely on stored glycogen. Furthermore, β-oxidation provides another important metabolic pathway. Additionally, the pentose phosphate pathway produces NADPH required for their chemotaxis and phagocytosis along with formation of extracellular traps but may also provide energy sources (see above). T2D-induced metabolic shifts mean that neutrophils are in a state of constant activation, unable to fulfill their regulatory functions effectively. As a result, individuals with T2D are more prone to intermittent infections. Increased polyol and hexosamine pathway fluxes, marked increases in advanced glycation end-products (AGEs) levels as well as activation of certain protein kinase C isoforms means that: (a) superoxide production can go up yet again; (b) it will bring about the activation of inflammatory pathways; and (c) host responses can become abnormal. When neutrophils become dysfunctional, wound healing processes are less efficient and immune responses against pathogens compromised. Consequently, the way neutrophils are metabolically reprogrammed has a significant impact on how often, how severe and for how long infections occur in those with T2D