Orexin receptors: multi-functional therapeutic targets for sleeping disorders, eating disorders, drug addiction, cancers and other physiological disorders

TR Xu, Y Yang, R Ward, L Gao, Y Liu - Cellular signalling, 2013 - Elsevier
The orexin peptides (orexin A, orexin B) and their receptors (orexin receptor type 1, orexin
receptor type 2) are involved in multiple physiological processes such as the regulation of …

Sleep disorders, obesity, and aging: the role of orexin

JP Nixon, V Mavanji, TA Butterick, CJ Billington… - Ageing research …, 2015 - Elsevier
The hypothalamic neuropeptides orexin A and B (hypocretin 1 and 2) are important
homeostatic mediators of central control of energy metabolism and maintenance of …

Physiology of the orexinergic/hypocretinergic system: a revisit in 2012

JP Kukkonen - American Journal of Physiology-Cell …, 2013 - journals.physiology.org
The neuropeptides orexins and their G protein-coupled receptors, OX1 and OX2, were
discovered in 1998, and since then, their role has been investigated in many functions …

High fat diet increases cognitive decline and neuroinflammation in a model of orexin loss

CM Duffy, JJ Hofmeister, JP Nixon… - Neurobiology of learning …, 2019 - Elsevier
Midlife obesity is a risk factor for cognitive decline and is associated with the earlier onset of
Alzheimer's disease (AD). Diets high in saturated fat potentiate the onset of obesity …

Orexins as novel therapeutic targets in inflammatory and neurodegenerative diseases

A Couvineau, T Voisin, P Nicole, V Gratio… - Frontiers in …, 2019 - frontiersin.org
Orexins [orexin-A (OXA) and orexin-B (OXB)] are two isoforms of neuropeptides produced by
the hypothalamus. The main biological actions of orexins, focused on the central nervous …

Orexin/hypocretin treatment restores hippocampal-dependent memory in orexin-deficient mice

V Mavanji, TA Butterick, CM Duffy, JP Nixon… - Neurobiology of learning …, 2017 - Elsevier
Orexin A is produced in neurons of the lateral, perifornical and dorsomedial regions of the
lateral hypothalamic area, which then project widely throughout the central nervous system …

Neuroprotection by Orexin-A via HIF-1α induction in a cellular model of Parkinson's disease

Y Feng, T Liu, XQ Li, Y Liu, XY Zhu, J Jankovic… - Neuroscience …, 2014 - Elsevier
Orexin-A, a neuropeptide secreted by hypothalamic neurons, may be neuroprotective in
many neurological conditions such as cerebral ischaemia. One mechanism postulated to be …

Intranasal insulin and orexins to treat age-related cognitive decline

JM Erichsen, CB Calva, LP Reagan, JR Fadel - Physiology & behavior, 2021 - Elsevier
The intranasal (IN) administration of neuropeptides, such as insulin and orexins, has been
suggested as a treatment strategy for age-related cognitive decline (ARCD). Because …

[HTML][HTML] Role of orexin A signaling in dietary palmitic acid-activated microglial cells

CM Duffy, C Yuan, LE Wisdorf, CJ Billington, CM Kotz… - Neuroscience …, 2015 - Elsevier
Excess dietary saturated fatty acids such as palmitic acid (PA) induce peripheral and
hypothalamic inflammation. Hypothalamic inflammation, mediated in part by microglial …

Sleep disturbance and Alzheimer's disease: the glial connection

A Sunkaria, S Bhardwaj - Neurochemical Research, 2022 - Springer
Poor quality and quantity of sleep are very common in elderly people throughout the world.
Growing evidence has suggested that sleep disturbances could accelerate the process of …