Articlel-Tyrosine ameliorates some effects of lower body negative pressure stress
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Cited by (38)
Sensing tyrosine enantiomers by using chiral CdSe/CdS quantum dots capped with N-acetyl-L-cysteine
2017, TalantaCitation Excerpt :For example, the one-step synthesis of chiral fluorescent QDs is challenging; the lack of alternative types of QDs as well as fewer optional chiral ligands made the species of detectable samples very limited; more importantly, the recognition mechanism is still ambiguous and a more detailed understanding needs to be obtained. It is well-known that L-Tyr is one of the important precursors of several neurotransmitters including L-dopa, dopamine, norepinephrine and epinephrine [18], and it is often added to dietary, food products and pharmaceutical formulations [19]. While D-Tyr, a non-protein amino acid, is a biochemical reagent to promote the growth and a probe to study configuration and dynamics of protein.
Physiological and Cognitive Changes during Helicopter Underwater Egress Training
2016, Handbook of Offshore Helicopter Transport Safety: Essentials of Underwater Egress and SurvivalToxicological evaluation of a dietary supplement formulated for male sexual health prior to market release
2010, Regulatory Toxicology and PharmacologyTyrosine supplementation mitigates working memory decrements during cold exposure
2007, Physiology and BehaviorCitation Excerpt :Since many forms of stress induce brain depletion of catecholamines, tyrosine may be useful in counteracting stress-related performance decrements under a variety of conditions. Although it has been difficult to demonstrate conclusively that tyrosine has beneficial effects in humans, the literature suggests that tyrosine has the potential to be an effective countermeasure under such conditions as cold stress [5], exposure to cold and hypoxia [16], noise [42], extended wakefulness [11] and lower body negative pressure [43]. The lack of conclusive evidence in the human literature is likely related to inconsistencies in the amount of physiological stress produced, differences in the cognitive tasks employed and the amount and timing of the tyrosine dose.
Plasma precursors of brain catecholaminergic and serotonergic neurotransmitters in rehabilitation patients with ischemic stroke
2004, Archives of Physical Medicine and RehabilitationCitation Excerpt :Motor recovery may be hindered in poststroke patients, because norepinephrine facilitates the recovery of motor function in this category of patients.34,35 The importance of tyrosine for brain cognitive function can also be derived from studies reporting that administration of tyrosine can improve maze performance,36 environmental exploration and interaction, working memory in animals,37–40 and working memory in a multitasking environment in humans.30 Adrenergic underactivity in the brain may also contribute to mood changes in patients with stroke,41 because deficiencies of norepinephrine and dopamine are linked to depression.27,42,43
Reduced plasma levels of tyrosine, precursor of brain catecholamines, and of essential amino acids in patients with severe traumatic brain injury after rehabilitation
2003, Archives of Physical Medicine and Rehabilitation
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Current address: DoD Polygraph Institute, Building 3195, Ft. McClellan, AL 36205.
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Current address: Military Performance and Neuroscience Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760 USA.