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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. 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 ).

  4. Orexin-A - Wikipedia

    en.wikipedia.org/wiki/Orexin-A

    The rhesus monkeys were split into a test group and into a control group. The test group was administered orexin-A, intravenously or nasally. The control group was given a placebo. The sleep-deprived monkeys which were given the nasal form of orexin-A performed far better than the ones treated with injections.

  5. Cataplexy - Wikipedia

    en.wikipedia.org/wiki/Cataplexy

    Nevertheless, after giving this treatment to a patient with undetectable orexin levels in the cerebrospinal fluid after only 15 days after the disease onset, the cataplexy was improved and the orexin levels started to normalise. [17] Plasmapheresis: should be similar with IVIgs but it is more invasive and for it even less data is available. [16]

  6. Lists of action films - Wikipedia

    en.wikipedia.org/wiki/Lists_of_action_films

    This is chronological list of action films split by decade. Often there may be considerable overlap particularly between action and other genres (including, horror , comedy , and science fiction films ); the lists should attempt to document films which are more closely related to action, even if they bend genres.

  7. Narcolepsy - Wikipedia

    en.wikipedia.org/wiki/Narcolepsy

    Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. [1] The pentad symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. [1]

  8. Hypocretin (orexin) receptor 2 - Wikipedia

    en.wikipedia.org/wiki/Hypocretin_(orexin)_receptor_2

    Orexin receptor type 2 (Ox2R or OX 2), also known as hypocretin receptor type 2 (HcrtR2), is a protein that in humans is encoded by the HCRTR2 gene. [5] It should not be confused for the protein CD200R1 which shares the alias OX2R but is a distinct, unrelated gene located on the human chromosome 3.

  9. 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 antagonist or DORA) of the orexin receptors, OX 1 and OX 2. [1]