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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 ...
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.
Between dinner parties, cookie exchanges and festive cocktails, most people report eating and drinking more than usual during the holidays, gaining on average 1 to 2 pounds of body weight.
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]
Apples. The original source of sweetness for many of the early settlers in the United States, the sugar from an apple comes with a healthy dose of fiber.
A person with an alcohol use disorder, who has gotten used to having a certain level of alcohol in their body every day, can go into withdrawal and experience severe physical symptoms such as ...
Both orexin receptors exhibit a similar pharmacology – the 2 orexin peptides, orexin-A and orexin-B, bind to both receptors and, in each case, agonist binding results in an increase in intracellular calcium levels. However, orexin-B shows a 5- to 10-fold selectivity for orexin receptor type 2, whilst orexin-A is equipotent at both receptors.
High blood pressure is caused by the force of blood flow in the arteries being too high. The DASH diet includes heart-healthy foods that lower blood pressure.