Document Detail


Tryptophan metabolism in animals: important roles in nutrition and health.
MedLine Citation:
PMID:  21196377     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
L-Tryptophan is a nutritionally essential amino acid for monogastric animals and preweaning ruminants because it cannot be synthesized in the body. Besides serving as a building block for proteins, tryptophan is a critical nutrient for the functions of nervous and immune systems. Over the past decades, much attention has been directed to study the role of tryptophan as a limiting amino acid in mammalian and avian nutrition. However, emerging evidence from recent studies shows that tryptophan and its metabolites (e.g., serotonin (5-hydroxytryptamine, 5-HT) and melatonin)) can regulate feed intake, reproduction, immunity, neurological function, and anti-stress responses. Additionally, tryptophan may modulate gene expression and nutrient metabolism to impact whole-body homeostasis in organisms. Thus, adequate intake of this amino acid from the diet is crucial for growth, development, and health of animals and humans.
Authors:
Kang Yao; Jun Fang; Yu-long Yin; Ze-Meng Feng; Zhi-Ru Tang; Guoyao Wu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-01-01
Journal Detail:
Title:  Frontiers in bioscience (Scholar edition)     Volume:  3     ISSN:  1945-0524     ISO Abbreviation:  Front Biosci (Schol Ed)     Publication Date:  2011  
Date Detail:
Created Date:  2011-01-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101485241     Medline TA:  Front Biosci (Schol Ed)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  286-97     Citation Subset:  IM    
Affiliation:
Hunan Engineering and Research Center of Animal and Poultry Science and Key Laboratory for Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan, China 410125.
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