Abstract:
:The level of tryptophan and 5-hydroxyindoleacetic acid were measured in the brain (striatum) of rats on tryptophan-deficient diet and tryptophan-enriched diet. We measured concentrations of tryptophan and 5-hydroxyindoleacetic acid in striatum by using microdialysis and HPLC methods. The extracellular level of tryptophan and 5-hydroxyindoleacetic acid concentration in the striatum of a tryptophan-reduced rats was decreased by about 50% compared with a tryptophan-enriched diet. In the tryptophan-reduced condition, the rats an increased the running time of more than 100 min, compared with those on a tryptophan-enriched diet. These results suggest the tryptophan and 5-hydroxytryptamine in the central nervous system are involved in fatigue.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Yamamoto T,Newsholme EAdoi
10.1007/978-1-4615-0135-0_60subject
Has Abstractpub_date
2003-01-01 00:00:00pages
527-30eissn
0065-2598issn
2214-8019journal_volume
527pub_type
杂志文章abstract::Purpose This study demonstrates a standardized approach to measuring retinal thickness (RT) using spectral domain optical coherence tomography (SD-OCT) in commonly used animal models of disease and reports a normative data set for future use. Materials and Methods Twenty normal eyes of 4 adult animal models (5 rats, 5...
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更新日期:2011-01-01 00:00:00
abstract::These studies show that at least some--though certainly not all--of the adjuvant effects of LPS and its derivatives can be attributed to its ability to eliminate the inhibitory effects of Ts which are activated during the course of a normal immune response. The ability of nontoxic MPL to act in this fashion suggests t...
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更新日期:1996-01-01 00:00:00
abstract::Direct studies linking drugs of abuse with changes in neurotransmitters and subsequent effects on the immune system are not abundant. One can, however, hypothesize that an indirect effect can occur since a variety of neurotransmitters known to be acted on by various drugs of abuse can, in turn, be correlated with chan...
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abstract::Zebrafish embryos can be obtained for research purposes in large numbers at low cost and embryos develop externally in limited space, making them highly suitable for high-throughput cancer studies and drug screens. Non-invasive live imaging of various processes within the larvae is possible due to their transparency d...
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更新日期:2016-01-01 00:00:00
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