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Thursday, May 4, 2017

Hormone Serotonin or 5-hydroxytryptamine (5-HT) and aging

Kyle J. Norton(Scholar and Master of Nutrients, all right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.                     

          Hormone Serotonin or 5-hydroxytryptamine (5-HT) 

Serotonin or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter derived from tryptophan, primarily found in the gastrointestinal (GI) tract, platelets, and in the central nervous system (CNS). In Gut, serotonin regulates intestinal movements, in CNS, it regulates mood, appetite, sleep, memory and learning, etc.


     Hormone Serotonin or 5-hydroxytryptamine (5-HT) and aging


In the study to assess Serotonin (5-HT) neuron and neurotransmitter loss in normal aging and neuropsychiatric diseases of late life and its contribution to behavioral changes commonly observed in the elderly population, found that there is also increasing evidence that a combination of disturbances in cholinergic and serotonergic function may play a role in cognitive impairment in Alzheimer's disease (AD), with serotonergic dysfunction potentially responsible for a significant portion of the behavioral aspects of the disease. This implication of the 5-HT system in aging and age-related cognitive and mood disorders rests in large part on post mortem studies and animal models, which are limited in their capacity to predict dynamic human biochemical-behavior relationships or to accurately model the living human brain. Initial applications of functional brain imaging with positron emission tomography (PET) in the in vivo study of the brain in aging depression, and dementia focused on characterizing alterations in physiological measurements of cerebral metabolism and perfusion. However, recent advances in PET radiochemistry, instrumentation, and image processing have paved the way for noninvasive means to test specific hypotheses regarding the direct involvement of 5-HT neurons in the behavioral features of aging and to define and monitor therapeutic regimens for neuropsychiatric conditions of late life(45).



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