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  2. Orexin - Wikipedia

    en.wikipedia.org/wiki/Orexin

    Orexin (/ ɒ ˈ r ɛ k s ɪ n /), also known as hypocretin, is a neuropeptide that regulates arousal, wakefulness, and appetite. [5] It exists in the forms of orexin-A and orexin-B.The most common form of narcolepsy, type 1, in which the individual experiences brief losses of muscle tone ("drop attacks" or cataplexy), is caused by a lack of orexin in the brain due to destruction of the cells ...

  3. SB-334867 - Wikipedia

    en.wikipedia.org/wiki/SB-334867

    SB-334867 is an orexin antagonist.It was the first non-peptide antagonist developed that is selective for the orexin receptor subtype OX 1, with around 50x selectivity for OX 1 over OX 2 receptors. [1]

  4. Orexin antagonist - Wikipedia

    en.wikipedia.org/wiki/Orexin_antagonist

    An orexin receptor antagonist, or orexin antagonist, is a drug that inhibits the effect of orexin by acting as a receptor antagonist of one (selective orexin receptor antagonist or SORA) or both (dual orexin receptor antagonis or DORA) of the orexin receptors, OX 1 and OX 2. [1] Medical applications include treatment of sleep disorders such as ...

  5. Appetite stimulant - Wikipedia

    en.wikipedia.org/wiki/Appetite_stimulant

    An orexigenic, or appetite stimulant, is a drug, hormone, or compound that increases appetite and may induce hyperphagia.This can be a medication or a naturally occurring neuropeptide hormone, such as ghrelin, orexin or neuropeptide Y, [1] [2] which increases hunger and therefore enhances food consumption.

  6. Orexin receptor - Wikipedia

    en.wikipedia.org/wiki/Orexin_receptor

    The orexin receptor (also referred to as the hypocretin receptor) is a G-protein-coupled receptor that binds the neuropeptide orexin. There are two variants, OX 1 and OX 2 , each encoded by a different gene ( HCRTR1 , HCRTR2 ).

  7. Lateral hypothalamus - Wikipedia

    en.wikipedia.org/wiki/Lateral_hypothalamus

    The lateral hypothalamus (LH), also called the lateral hypothalamic area (LHA), [1] contains the primary orexinergic nucleus within the hypothalamus that widely projects throughout the nervous system; [2] this system of neurons mediates an array of cognitive and physical processes, such as promoting feeding behavior and arousal, reducing pain perception, and regulating body temperature ...

  8. Orexin-A - Wikipedia

    en.wikipedia.org/wiki/Orexin-A

    Once made, the orexin peptides can bind to the orexin receptor; which is a G protein-coupled receptor. This receptor senses molecules outside the cell and activates inside signal transduction pathways to elicit cellular responses. Research shows that an absence of orexin-A appears to cause narcolepsy. Deficit amounts of orexin-A will make ...

  9. Category:Orexin antagonists - Wikipedia

    en.wikipedia.org/wiki/Category:Orexin_antagonists

    Pages in category "Orexin antagonists" The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes. ...