Control of sleep and wakefulness

RE Brown, R Basheer, JT McKenna… - Physiological …, 2012 - journals.physiology.org
This review summarizes the brain mechanisms controlling sleep and wakefulness.
Wakefulness promoting systems cause low-voltage, fast activity in the …

Sleep state switching

CB Saper, PM Fuller, NP Pedersen, J Lu, TE Scammell - Neuron, 2010 - cell.com
We take for granted the ability to fall asleep or to snap out of sleep into wakefulness, but
these changes in behavioral state require specific switching mechanisms in the brain that …

Orexin receptors: pharmacology and therapeutic opportunities

TE Scammell, CJ Winrow - Annual review of pharmacology and …, 2011 - annualreviews.org
Orexin-A and-B (also known as hypocretin-1 and-2) are neuropeptides produced in the
lateral hypothalamus that promote many aspects of arousal through the OX1 and OX2 …

Orexin/hypocretin receptor signalling cascades

JP Kukkonen, CS Leonard - British journal of pharmacology, 2014 - Wiley Online Library
Orexin (hypocretin) peptides and their two known G‐protein‐coupled receptors play
essential roles in sleep–wake control and powerfully influence other systems regulating …

The physiological role of orexin/hypocretin neurons in the regulation of sleep/wakefulness and neuroendocrine functions

A Inutsuka, A Yamanaka - Frontiers in endocrinology, 2013 - frontiersin.org
The hypothalamus monitors body homeostasis and regulates various behaviors such as
feeding, thermogenesis, and sleeping. Orexins (also known as hypocretins) were identified …

Sleep homeostasis modulates hypocretin-mediated sleep-to-wake transitions

ME Carter, A Adamantidis, H Ohtsu… - Journal of …, 2009 - Soc Neuroscience
The hypocretins (Hcrts)(also called orexins) are two neuropeptides expressed in the lateral
hypothalamus that play a crucial role in the stability of wakefulness. Previously, our …

[HTML][HTML] Orexin signaling: a complex, multifaceted process

NC Dale, D Hoyer, LH Jacobson… - Frontiers in Cellular …, 2022 - frontiersin.org
The orexin system comprises two G protein-coupled receptors, orexin 1 receptor (OX1R)
and orexin 2 receptor (OX2R), along with two endogenous agonists cleaved from a common …

Acute suppressive and long-term phase modulation actions of orexin on the mammalian circadian clock

MDC Belle, ATL Hughes, DA Bechtold… - Journal of …, 2014 - Soc Neuroscience
Circadian and homeostatic neural circuits organize the temporal architecture of physiology
and behavior, but knowledge of their interactions is imperfect. For example, neurons …

Orexin/hypocretin receptor signalling: a functional perspective

CS Leonard, JP Kukkonen - British journal of pharmacology, 2014 - Wiley Online Library
Multiple homeostatic systems are regulated by orexin (hypocretin) peptides and their two
known GPCR s. Activation of orexin receptors promotes waking and is essential for …

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 …