Abstract:
:Obesity is known to induce leptin and insulin resistance. Leptin is a peptide hormone synthesized in adipose tissue that mainly regulates food intake. It has been shown that insulin stimulates the production of leptin when adipocytes are exposed to glucose to encourage satiety; while leptin, via a negative feedback, decreases the insulin release and enhances tissue sensitivity to it, leading to glucose uptake for energy utilization or storage. Therefore, resistance to insulin is closely related to leptin resistance. Obesity in middle age has also been related to Alzheimer's disease (AD). In recent years, the relation between impaired leptin signaling pathway and the onset of AD has been studied. In all this context the role of the blood brain barrier (BBB) is crucial. Slow excitotoxicity happens in AD due to an excess of the neurotransmitter glutamate. Since leptin has been shown to regulate N-methyl-D-aspartate (NMDA) receptors, we want to review the link between these pathological pathways, and how they are affected by other AD triggering factors and its role in the onset of AD.
journal_name
Front Neuroscijournal_title
Frontiers in neuroscienceauthors
Lloret A,Monllor P,Esteve D,Cervera-Ferri A,Lloret MAdoi
10.3389/fnins.2019.00508subject
Has Abstractpub_date
2019-05-22 00:00:00pages
508eissn
1662-4548issn
1662-453Xjournal_volume
13pub_type
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