Results 31 to 40 of about 6,131 (232)

Orexin activation precedes increased NPY expression, hyperphagia, and metabolic changes in response to sleep deprivation [PDF]

open access: yes, 2010
Martins PJ, Marques MS, Tufik S, D'Almeida V. Orexin activation precedes increased NPY expression, hyperphagia, and metabolic changes in response to sleep deprivation. Am J Physiol Endocrinol Metab 298: E726-E734, 2010.
D'Almeida, Vania   +3 more
core   +1 more source

Children with Narcolepsy type 1 have increased T‐cell responses to orexins

open access: yesAnnals of Clinical and Translational Neurology, 2019
Narcolepsy type 1 (NT1) is caused by severe loss of the orexin neurons, and is highly associated with HLA DQB1*06:02. Using intracellular cytokine staining, we observed a higher frequency of IFN‐γ‐ and TNF‐α‐producing CD4+ and CD8+ T‐cells in response to
Andrew C. Cogswell   +5 more
doaj   +1 more source

Neurobiology of the Orexin System and Its Potential Role in the Regulation of Hedonic Tone

open access: yesBrain Sciences, 2022
Orexin peptides comprise two neuropeptides, orexin A and orexin B, that bind two G-protein coupled receptors (GPCRs), orexin receptor 1 (OXR1) and orexin receptor 2 (OXR2).
Martin A. Katzman, Matthew P. Katzman
doaj   +1 more source

Expression of Orexin A and its Receptor 1 in the Epididymis of the South American Camelid Alpaca (Vicugna pacos). [PDF]

open access: yes, 2013
Orexins A (ox A) and B are two peptides originally discovered in neurons of rat hypothalamus, and later found in different cellular types of the gastrointestinal and genital tracts. They arise from the proteolytic cleavage of a common precursor molecule,
DE LUCA, ADRIANA   +5 more
core   +1 more source

Defining the organizational structure of dopamine and muscarninic acetylcholine receptors [PDF]

open access: yes, 2015
No abstract ...
Alvarez-Curto, Elisa   +4 more
core   +1 more source

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

open access: yesFrontiers in Endocrinology, 2013
The hypothalamus monitors body homeostasis and regulates various behaviors such as feeding, thermogenesis, and sleeping. Orexins (also known as hypocretins) were identified as endogenous ligands for two orphan G-protein-coupled receptors in the lateral ...
Ayumu eInutsuka   +3 more
doaj   +1 more source

Orexin in the chicken hypothalamus: immunocytochemical localisation and comparison of mRNA concentrations during the day and night, and after chronic food restriction [PDF]

open access: yes, 2013
In mammals Orexin-A and -B are neuropeptides involved in the hypothalamic regulation of diverse physiological functions including food intake and the sleep-wake cycle.
de Girolamo, Paolo   +5 more
core   +1 more source

The Anti-tumoral Properties of Orexin/Hypocretin Hypothalamic Neuropeptides: An Unexpected Therapeutic Role

open access: yesFrontiers in Endocrinology, 2018
Orexins (OxA and OxB) also termed hypocretins are hypothalamic neuropeptides involved in central nervous system (CNS) to control the sleep/wake process which is mediated by two G protein-coupled receptor subtypes, OX1R, and OX2R.
Alain Couvineau   +6 more
doaj   +1 more source

Expression and potential role of the peptide orexin-A in prostate cancer [PDF]

open access: yes, 2015
The peptides orexin-A and orexin-B and their G protein-coupled OX1 and OX2 receptors are involved in multiple physiological processes in the central nervous system and peripheral organs.
ASSISI, LOREDANA   +11 more
core   +1 more source

Diurnal inhibition of NMDA-EPSCs at rat hippocampal mossy fibre synapses through orexin-2 receptors. [PDF]

open access: yes, 2014
Diurnal release of the orexin neuropeptides orexin-A (Ox-A, hypocretin-1) and orexin-B (Ox-B, hypocretin-2) stabilises arousal, regulates energy homeostasis and contributes to cognition and learning.
Longordo, F.   +4 more
core   +1 more source

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