| The hormones cortisol, serotonin and tryptophan may be affected by sunlight, as well. |
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| This indicates a reduction in polarity of the tryptophan environment in presence of NaCl, i.e, in rod-shaped micelles. |
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| They reported peaks consistent with tryptophan, nicotinic coenzymes and flavins in both suspensions. |
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| In fact, tyrosine fluorescence is blue shifted relative to tryptophan fluorescence. |
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| Key essential amino acids are valine, leucine, isoleucine, tryptophan and methionine. |
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| In this study we use the dead-end elimination method to determine the possible rotamers of tryptophan. |
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| The substitution of tryptophan residues, therefore, does not affect actin self-assembly into filaments. |
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| In addition to histidine and biotin, the top agar contained minimal tryptophan to support E.coli growth. |
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| Melatonin and serotonin are indoleamines derived from tryptophan which are produced by the pineal gland in vertebrates. |
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| The key enzyme in initial stages of alkaloid biosynthesis is tryptophan decarboxylase. |
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| Dr. Young has found that taking tryptophan can affect human social behavior, decreasing aggression, irritability and quarrelsomeness. |
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| It was proposed that the sulfur atoms would quench the fluorescence of these tryptophan residues, which appears to be the case. |
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| Other examples of amino acids are alanine, leucine, cysteine, arginine, and tryptophan. |
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| The most relevant candidate for this kind of investigation is 19 F-labeled tryptophan, besides other aromatic and aliphatic amino acids. |
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| However, when light therapy was discontinued, patients quickly relapsed, whereas patients on tryptophan had a slower relapse rate. |
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| Two known enzymes catabolize the essential amino acid tryptophan in mammals. |
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| One would expect that a single tryptophan residue should have only one excited state lifetime. |
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| They found that two amino acids in particular, tryptophan and lysine, were essential for normal growth in rats. |
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| Melatonin, produced naturally from the amino acid tryptophan, is a hormone secreted by a gland in the brain. |
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| The essential amino acids are histidine, tryptophan, threonine, valine, phenylalanine, leucine, methionine, lysine, and isoleusine. |
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| The oxidation sites of alpha-crystallin are considered to be methionine, cysteine and tryptophan amino acid residues. |
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| Contents of glutamine, asparagine, methionine, and tryptophan in the tissues were not determined by this method. |
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| Peptides are named by the position of tryptophan in the amino acid sequence. |
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| Negative dietary changes are related to the deficiency of maize in the amino acids tryptophan and lysine. |
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| It preferentially hydrolyzes peptide bonds involving tyrosine, phenylalanine, and tryptophan. |
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| Milk contains tryptophan, which probably explains why a warm glass of milk at bedtime is a long-standing home remedy for sleeplessness. |
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| Pellagra is a nutritional wasting disease attributable to a combined deficiency of tryptophan and niacin. |
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| Biopterin is a vital cofactor in tryptophan hydrolase's conversion of tryptophan to serotonin. |
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| Hypoproteinemia and pellagra are caused when tryptophan is used for serotonin production instead of for protein and niacin synthesis. |
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| To be sure, tryptophan as a white pill, not a slab of white meat, is used by some as a sleeping aid. |
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| We now know that a niacin or tryptophan deficiency causes pellagra. |
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| Serotonin is made from an amino acid called tryptophan, which is found in foods such as meat, brown rice, nuts, fish and milk. |
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| In other words, the spherical micelles would allow more water penetration into the micellar interior and this, in principle, could lead to a reduction in tryptophan lifetime. |
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| Therefore, we tested the tryptophan catabolites, picolinic acid and quinolinic acid to see if they could reproduce the effects of IDO overexpression. |
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| There are some nutritional supplements with selenium, tryptophan, cysteine and glutamine. |
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| Furthermore, we reported that a pharmacologic inhibitor of IDO, 1-methyl tryptophan, induced maternal rejection of allogeneic but not syngeneic murine fetuses. |
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| Interactions of organic molecules such as dihydropyridines, ubiquinone, tryptophan, and halothane with lipid bilayers have been studied through molecular dynamics simulations. |
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| So tryptophan at pretty big doses is a routine part of being a human on planet Earth. |
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| The essential amino acids for humans are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. |
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| Methi seeds contain alkaloids and proteins that are high in lysine and tryptophan. |
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| The aromatic rings of phenylalanine, tyrosine, and tryptophan, however, absorb ultraviolet light between wavelengths of 280 and 290 nanometres. |
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| So why do we persist in observing the tryptophan and turkey and sleep version of the Thanksgiving? |
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| Feather meal is a rich source of protein, high in leucine and cysteine but deficient in lysine, tryptophan and methionine. |
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| Also, if you have a spare moment this weekend between regular tryptophan ingurgitations and the Lions-Falcons game, you might check out this edifying article. |
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| During the oxidative stress of constant ultraviolet radiation, at least one photochemically active tryptophan metabolite, N-formyl kynurenine, is formed in the lens. |
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| Skatole, a degradation product of tryptophan that retains the indole unit, contributes much of the strong odour of mammalian feces. |
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| Interestingly, the time was crucial, because Prozac was coming on the marketplace at around the same time, acting similarly to tryptophan. |
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| Spaghetti squash also contains specific nutrients that help convert the tryptophan in other foods you eat into serotonin. |
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| The combined allopurinol and Iryptophan administration increases the serotonin levels furtherly in brain stem and hypothalamus areas versus groups receiving tryptophan or allopurinol singularly. |
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| So, it would be surprising that tryptophan alone would be sufficient enough a treatment to resolve depression. |
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| The absorbance of ultraviolet light by tryptophan is greatest, that of tyrosine is less, and that of phenylalanine is least. |
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| In addition, human pDCs express indoleamine 2,3-deoxygenase, an enzyme generating tryptophan catabolites, which are powerful suppressors of T-cell responses. |
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| It contains a kip-inducing amino acid called tryptophan, while nutmeg contains a chemical which causes drowsiness, called myristin. |
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| This is the first time that research is done on the effect of probiotics and tryptophan on social functioning in the elderly. |
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| Foods such as potatoes, pasta, bread, rice, couscous, eggs, seafood and chicken are high in tryptophan. |
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| Maize has suboptimal amounts of the essential amino acids tryptophan and lysine, which accounts for its lower status as a protein source. |
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| The quickest way to raise serotonin levels again is to send more tryptophan into the brain, because serotonin is made from tryptophan. |
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| It has less fat than chicken, and also has more nutrients, including tryptophan which is an essential amino acid crucial for good health. |
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| Among these were hippuric acid, homovanillic acid, uracil, 5-fluorouracil, and tryptophan. |
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| In addition, it can inhibit tryptophan to convert into xanthurenic acid damaging the pancreas, thereby protecting the pancreas. |
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| The tryptophan migrates to the coleoptile tip and is transformed into indolylacetic acid, which in turn moves to the growth zone and weakens the cell walls, thus permitting water uptake. |
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| This action induces the aleurone cells to produce enzymes that break down starch to sugars and release tryptophan from the protein of the endosperm. |
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| Watanabe then tested five amino acids, adding histidine, arginine and tryptophan, and mixed them with sodium sulfate. |
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| I started to use therapeutic doses of B vitamins, essential fatty acids, magnesium, tryptophan, and especially inositol in order to help wean my patients off antidepressants and help them deal with high levels of anxiety. |
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| If the tyrosine or tryptophan content of the protein is known, therefore, the concentration of the protein solution can be determined by measuring its absorbance between 280 and 290 nanometres. |
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| A modified protease of thermolysin-like neutral metallo-protease having the amino acid sequence of SEQ ID NO:1, wherein the 150th aspartic acid residue is replaced with tryptophan. |
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| Although the optical rotation of a protein depends on all of the amino acids of which it is composed, the most important ones are cystine and the aromatic amino acids phenylalanine, tyrosine, and tryptophan. |
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| The contaminated lots of tryptophan had been produced by a company in Japan using a genetically modified bacteria that was designed to overproduce tryptophan. |
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| Research has shown that the level of dietary protein in a standard maize soybean meal can be reduced if the diet is adequately fortified with lysine, tryptophan and threonine. |
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| Figure 3b shows the observed fluorescence emission when the same tryptophan solution was placed in a fluorimeter and excited with 266 nm light. |
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| Based on these advantages, dietary tryptophan supplementation has been used in the management of neuropsychiatric disorders with variable success. |
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| The pathogenesis of purple urine bag syndrome is due to the metabolism of tryptophan by bacteria to indole and later converted to indicant in the liver. |
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