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- W2326795588 endingPage "296" @default.
- W2326795588 startingPage "282" @default.
- W2326795588 abstract "Leptin is produced by adipose tissue and identified as a satiety signal, informing the brain when the body has consumed enough food. Specific areas of the hypothalamus express leptin receptors (LEPRs) and are the primary site of leptin action for body weight regulation. In response to leptin, appetite is suppressed and energy expenditure allowed. Beside this hypothalamic action, leptin targets other brain areas in addition to neuroendocrine cells. LEPRs are expressed also in the hippocampus, neocortex, cerebellum, substantia nigra, pancreatic β-cells, and chromaffin cells of the adrenal gland. It is intriguing how leptin is able to activate different ionic conductances, thus affecting excitability, synaptic plasticity and neurotransmitter release, depending on the target cell. Most of the intracellular pathways activated by leptin and directed to ion channels involve PI3K, which in turn phosphorylates different downstream substrates, although parallel pathways involve AMPK and MAPK. In this review we will describe the effects of leptin on BK, KATP, KV, CaV, TRPC, NMDAR and AMPAR channels and clarify the landscape of pathways involved. Given the ability of leptin to influence neuronal excitability and synaptic plasticity by modulating ion channels activity, we also provide a short overview of the growing potentiality of leptin as therapeutic agent for treating neurological disorders." @default.
- W2326795588 created "2016-06-24" @default.
- W2326795588 creator A5031941235 @default.
- W2326795588 creator A5037618672 @default.
- W2326795588 creator A5060746359 @default.
- W2326795588 date "2016-04-12" @default.
- W2326795588 modified "2023-10-17" @default.
- W2326795588 title "Leptin-mediated ion channel regulation: PI3K pathways, physiological role, and therapeutic potential" @default.
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