Tryptophan administration in rats enhances phagocytic function and reduces oxidative metabolism.

Journal Article 2008; 29(6): 1026-132 PubMed PMID: 19112383 Keywords: Analysis of Variance, Animals, Antioxidants:metabolism, Free Radical Scavengers:metabolism, Macrophages, Peritoneal:drug effects, Male, Oxidative Stress:drug effects, Phagocytosis:drug effects, Rats, Rats, Wistar, Superoxides:metabolism, Tryptophan:metabo.

OBJECTIVES: Since the tryptophan-derived metabolites serotonin and melatonin have been shown to possess reinforcing and/or antioxidant pro.....

Melatonin and tryptophan as therapeutic agents against the impairment of the sleep-wake cycle and immunosenescence due to aging in Streptopelia risoria.

Journal Article 2007; 28(6): 757-760 PubMed PMID: 18063930 Keywords: Activity Cycles:physiology, Aging:immunology, Animals, Columbidae, Leukocytes:physiology, Melatonin:physiology, Neuroimmunomodulation:physiology, Phagocytosis:physiology, Serotonin:blood, Sleep:physiology, Superoxides:blood, Tryptophan:physiology, Wakeful.

: All organisms present circadian rhythm in most of their physiological functions, and among them there stand out sleep, motor activity, i.....

Journal Article 2007; 28(4): 489-495 PubMed PMID: 17693961 Keywords: Animals, Cell Count, Circadian Rhythm:physiology, Corticosterone:blood, Immune System:physiology, Macrophages:pathology, Male, Melatonin:blood, Microspheres, Peritoneal Cavity:cytology, Phagocytosis:physiology, Physical Conditioning, Animal:physiology, Ra.

: Corticosterone is thought to be the main glucocorticoid secreted in response to stressful exercise, while melatonin buffers the adverse .....

Journal Article 2007; 28(4): 360-366 PubMed PMID: 17693960 Keywords: Bottle Feeding, Chronotherapy, Circadian Rhythm:physiology, Dietary Carbohydrates:administration & dosage, Double-Blind Method, Feeding Behavior:physiology, Humans, Infant, Infant Formula:administration & dosage, Infant, Newborn, Prospective Studies, Slee.

UNLABELLED: Some 30% of pre-weaning infants present problems of sleep during the night, especially those who are bottle-fed. The solution .....

Controlled Clinical Trial 2006; 27(3): 373-380 PubMed PMID: 16816833 Keywords: Bottle Feeding, Chronobiology Phenomena:physiology, Circadian Rhythm:physiology, Double-Blind Method, Feeding Behavior:physiology, Female, Humans, Infant, Infant Formula:pharmacology, Infant Nutritional Physiological Phenomena, Infant, Newborn, Male, Nucl.

: On the basis of the circadian nutritional variations present in breast milk, and of the implications for the sleep/wake cycle of the nut.....

Clinical Trial 2005; 26(6): 657-661 PubMed PMID: 16380706 Keywords: Bottle Feeding, Breast Feeding, Circadian Rhythm:physiology, Female, Humans, Infant, Infant, Newborn, Male, Melatonin:analogs & derivatives, Milk, Human:metabolism, Reference Values, Sleep:physiology, Statistics, Nonparametric, Tryptophan:metabolism,.

INTRODUCTION: The hormone melatonin regulates the sleep and this pineal hormone is synthesized in the organism from the amino acid tryptop.....