The hypocretin (orexin) system: from a neural circuitry perspective

SB Li, L de Lecea - Neuropharmacology, 2020 - Elsevier
Hypocretin/orexin neurons are distributed restrictively in the hypothalamus, a brain region
known to orchestrate diverse functions including sleep, reward processing, food intake …

Neuronal networks in hypertension: recent advances

PG Guyenet, RL Stornetta, GMPR Souza… - …, 2020 - Am Heart Assoc
Neurogenic hypertension is associated with excessive sympathetic nerve activity to the
kidneys and portions of the cardiovascular system. Here we examine the brain regions that …

Targeting orexin receptors for the treatment of insomnia: from physiological mechanisms to current clinical evidence and recommendations

MP Mogavero, A Silvani, G Lanza… - Nature and science of …, 2023 - Taylor & Francis
After a detailed description of orexins and their roles in sleep and other medical disorders,
we discuss here the current clinical evidence on the effects of dual (DORAs) or selective …

Prefrontal cortex regulates chronic stress‐induced cardiovascular susceptibility

D Schaeuble, AEB Packard, JM McKlveen… - Journal of the …, 2019 - Am Heart Assoc
Background The medial prefrontal cortex is necessary for appropriate appraisal of stressful
information, as well as coordinating visceral and behavioral processes. However, prolonged …

Orexin, sleep, sympathetic neural activity, and cardiovascular function

JA Bigalke, Z Shan, JR Carter - Hypertension, 2022 - Am Heart Assoc
Inadequate sleep duration and quality are associated with reduced cardiovascular health
and increased mortality. Experimental evidence points to the sympathetic nervous system as …

[HTML][HTML] Machine learning models to predict ligand binding affinity for the orexin 1 receptor

VY Zhang, SL O'Connor, WJ Welsh… - Artificial intelligence …, 2024 - Elsevier
The orexin 1 receptor (OX1R) is a G-protein coupled receptor that regulates a variety of
physiological processes through interactions with the neuropeptides orexin A and B …

Orexin Facilitates the Peripheral Chemoreflex via Corticotropin-Releasing Hormone Neurons Projecting to the Nucleus of the Solitary Tract

RB Musa, J Cornelius-Green, H Zhang, DP Li… - Journal of …, 2024 - jneurosci.org
We previously showed that orexin neurons are activated by hypoxia and facilitate the
peripheral chemoreflex (PCR)-mediated hypoxic ventilatory response (HVR), mostly by …

Activation of orexin system stimulates CaMKII expression

Y Fan, E Jiang, H Gao, J Bigalke, B Chen, C Yu… - Frontiers in …, 2021 - frontiersin.org
Hyperactivity of the orexin system within the paraventricular nucleus (PVN) has been shown
to contribute to increased sympathetic nerve activity (SNA) and blood pressure (BP) in …

Orexin facilitates the ventilatory and behavioral responses of rats to hypoxia

RL Spinieli, R Ben Musa… - American Journal …, 2022 - journals.physiology.org
Orexin neurons are sensitive to CO2 and contribute to cardiorespiratory homeostasis as well
as sensorimotor control. Whether orexin facilitates respiratory and behavioral responses to …

Roles of central orexinergic system on cardiovascular function and acupuncture on intervention of cardiovascular risk: orexinergic system mediate the role of …

HR Gao, ZJ Wu, SB Wu, HY Gao, J Wang, JL Zhang… - Neuropeptides, 2021 - Elsevier
Central orexinergic system contributes to the regulation of cardiovascular function.
Orexinergic neurons receiving projections of nerve fibers from multiple structures of brain …