نتایج جستجو برای: orexin receptors
تعداد نتایج: 226669 فیلتر نتایج به سال:
Accumulating evidences indicate that the hypothalamic neuropeptide orexins or hypocretins are involved in stress-induced responses in mammals. Recently, we found that orexin is expressed and secreted from avian muscle cells, however its regulation is still unknown. In this study, we investigated the effect of heat and oxidative stress, the most challenging stressors in poultry production, on th...
Orexins (also known as hypocretins) play critical roles in the regulation of sleep/wakefulness states by activating two G-protein coupled receptors (GPCRs), orexin 1 (OX1R) and orexin 2 receptors (OX2R). In order to understand the differential contribution of both receptors in regulating sleep/wakefulness states we compared the pharmacological effects of a newly developed OX2R antagonist (2-SOR...
Orexins (hypocretins) are a novel pair of neuropeptides implicated in the regulation of energy balances and arousal. Previous reports have indicated that orexins are produced only in the lateral hypothalamic area, although orexin-containing nerve fibers were observed throughout the neuroaxis. Recent evidence shows that orexins and functional orexin receptors are found in the periphery. Vagal an...
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 hypothalamic area. They were initially recognized as regulators of feeding behavior, but they are mainly regarded as key modulators of the sleep...
Orexins, also called hypocretins, are newly discovered hypothalamic peptides that are thought to be involved in various physiological functions. In spite of the fact that orexin receptors, especially orexin receptor 2, are abundant in the hypothalamic paraventricular nucleus (PVN), the effects of orexins on PVN neurons remain unknown. Using a whole cell patch-clamp recording technique, we inves...
Abstract Introduction Narcolepsy is a neurological disorder that characterized by the loss of orexin neurons in lateral hypothalamus. Cataplexy symptom narcolepsy and identified sudden muscle tone during wakefulness. abruptly interrupts day-to-day activities, makes activities like driving dangerous potentially fatal. It hypothesized cataplexy occurs due to intrusion REM sleep atonia has been de...
Objective: The aim of this study was to evaluate the expression of the orexin receptor in different prostate pathologies, including prostate adenocarcinoma, benign prostate hyperplasia and chronic prostatitis. Material and methods: A total of 90 patients (mean age 64.01±7.2 years) were enrolled in the study. The patients were divided into three groups of equal numbers based on their histopathol...
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