نتایج جستجو برای: orexin receptors
تعداد نتایج: 226669 فیلتر نتایج به سال:
BACKGROUND As orexinergic (OXergic) neurons have been reported to mediate emotional changes, benzodiazepines might interact with OXergic neurons. METHODS We examined the interactions between OXergic neurons and benzodiazepine receptors in orexin-A (100 nM) and K+ (25 mM)-evoked norepinephrine release from rat cerebrocortical slices. RESULTS Midazolam, diazepam, and flunitrazepam concentrati...
Lateral hypothalamic neuropeptides, orexins, have been recognized as one of the most important regulators of sleep/wakefulness states. Besides, these peptides are also regarded as an important factor that regulates feeding behavior, owing to their localization within the lateral hypothalamic area, the classic “feeding center”, pharmacological activities, and the fact that prepro-orexin mRNA is ...
Orexin A (OX) is a small excitatory neuropeptide hormone that stimulates feeding, wakefulness and energy expenditure via a pair of G-coupled protein receptors, namely orexin receptor-1 (OXR1) and orexin receptor-2 (OXR2). OX-deficient mice are sensitive to obesity despite being hypophagic. The obesogenic effect of OX-deletion is due to brown adipose tissue (BAT) dysfunction, a defect that origi...
Orexins A and B (ORA and ORB) are neuropeptide hormones found throughout the central nervous system and periphery. They are required for a host of physiological processes including mitogen-activated protein kinase (MAPK) regulation, steroidogenesis, appetite control and energy regulation. While some signalling mechanisms have been proposed for individual recombinant orexin receptors in generic ...
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...
Recent studies have implicated the hypocretin/orexinergic system in reward-seeking behavior. Almorexant, a dual orexin/hypocretin R(1) and R(2) receptor antagonist, has proven effective in preclinical studies in promoting sleep in animal models and was in Phase III clinical trials for sleep disorders. The present study combines behavioral assays with in vitro biochemical and electrophysiologica...
Orexin, also called hypocretin, is a neuropeptide that acts on central nervous system receptors to promote arousal. Suvorexant, its receptor antagonist, generates interest as a medication to treat insomnia. Suvorexant helps in decreasing wakefulness by counteracting orexin activity. Its low side effect potential may offer considerable benefit. Compared with other sleep aids, diminished drowsine...
Drug addiction is a chronic illness characterized by high rates of relapse. Relapse to drug use can be triggered by re-exposure to drug-associated cues, stressful events, or the drug itself after a period of abstinence. Pharmacological intervention to reduce the impact of relapse-instigating factors offers a promising target for addiction treatment. Growing evidence has implicated an important ...
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