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Endocrinology. Hypertryptophanemia is a rare autosomal recessive [2] metabolic disorder that results in a massive buildup of the amino acid tryptophan in the blood, with associated symptoms and tryptophanuria (-uria denotes 'in the urine '). [3][4] Elevated levels of tryptophan are also seen in Hartnup disease, [5] a disorder of amino acid ...
Chemistry. [edit] Melatonin, also known as N -acetyl-5-methoxytryptamine, is a substituted tryptamine and a derivative of serotonin (5-hydroxytryptamine). It is structurally related to N-acetylserotonin (normelatonin; N -acetyl-5-hydroxytryptamine), which is the chemical intermediate between serotonin and melatonin in the body.
Tryptophan (symbol Trp or W) [3] is an α- amino acid that is used in the biosynthesis of proteins. Tryptophan contains an α -amino group, an α- carboxylic acid group, and a side chain indole, making it a polar molecule with a non-polar aromatic beta carbon substituent.
Tryptophan in turkey has become almost as famous as the bird's white and dark meat. So has the legend of its power to make people sleepy. So has the legend of its power to make people sleepy.
The cognitive shuffle is a cognitive strategy meant to facilitate initial sleep onset, or subsequent sleep onset after early awakening from sleep. The cognitive shuffle was developed by Luc P. Beaudoin, an adjunct professor at Simon Fraser University. [1][2][3][4] It is based on Beaudoin's theory of the human sleep onset control system called ...
measure sleep behavior in children. The Children's Sleep Habits Questionnaire (CSHQ) is a psychological questionnaire designed to measure sleep behaviors in children and adolescents ages 4–12. The 52-question test is filled out by the parent and the parent is asked to rate the frequency that their child has shown the qualities of the ...
Agomelatine, sold under the brand names Valdoxan and Thymanax, among others, is an atypical antidepressant most commonly used to treat major depressive disorder and generalized anxiety disorder. [7] One review found that it is as effective as other antidepressants with similar discontinuation rates overall but fewer discontinuations due to side ...
Tryptophan hydroxylase (TPH; EC 1.14.16.4) is the rate-limiting enzyme in the synthesis of serotonin (5-hydroxytryptamine, or 5HT). 5HT is causally involved in numerous central nervous activities, and it has several functions in peripheral tissues, including the maintenance of vascular tone and gut motility.[supplied by OMIM] [7]