Medical science monitor : international medical journal of experimental and clinical research
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In addition to their stimulatory action on neuronal differentiation and survival, the neurotrophins nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) improve glucose and lipid metabolism and control energy balance and feeding behavior. These latter activities are referred to here as the metabotrophic potential of neurotrophins. ⋯ Thus we hypothesize that a metabotrophic deficit due to reduction of neurotrophin availability may be implicated in the pathogenesis of obesity and related metabolic diseases, such as metabolic syndrome, type 2 diabetes, and atherosclerosis. The metabotrophic deficit hypothesis also considers metabolism-related beneficial effects exerted by other neurotrophic factors, particularly ciliary neurotrophic factor, leukemia inhibitory factor, and bone morphogenetic proteins.