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Elhussiny MZ, Tran PV, Tsuru Y, Haraguchi S, Gilbert ER, Cline MA, Bungo T, Furuse M, Chowdhury VS. Central Taurine Attenuates Hyperthermia and Isolation Stress Behaviors Augmented by Corticotropin-Releasing Factor with Modifying Brain Amino Acid Metabolism in Neonatal Chicks. Metabolites 2022; 12:metabo12010083. [PMID: 35050205 PMCID: PMC8781603 DOI: 10.3390/metabo12010083] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 01/01/2023] Open
Abstract
The objective of this study was to determine the effects of centrally administered taurine on rectal temperature, behavioral responses and brain amino acid metabolism under isolation stress and the presence of co-injected corticotropin-releasing factor (CRF). Neonatal chicks were centrally injected with saline, 2.1 pmol of CRF, 2.5 μmol of taurine or both taurine and CRF. The results showed that CRF-induced hyperthermia was attenuated by co-injection with taurine. Taurine, alone or with CRF, significantly decreased the number of distress vocalizations and the time spent in active wakefulness, as well as increased the time spent in the sleeping posture, compared with the saline- and CRF-injected chicks. An amino acid chromatographic analysis revealed that diencephalic leucine, isoleucine, tyrosine, glutamate, asparagine, alanine, β-alanine, cystathionine and 3-methylhistidine were decreased in response to taurine alone or in combination with CRF. Central taurine, alone and when co-administered with CRF, decreased isoleucine, phenylalanine, tyrosine and cysteine, but increased glycine concentrations in the brainstem, compared with saline and CRF groups. The results collectively indicate that central taurine attenuated CRF-induced hyperthermia and stress behaviors in neonatal chicks, and the mechanism likely involves the repartitioning of amino acids to different metabolic pathways. In particular, brain leucine, isoleucine, cysteine, glutamate and glycine may be mobilized to cope with acute stressors.
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Affiliation(s)
- Mohamed Z. Elhussiny
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
- Department of Animal & Poultry Behavior and Management, Faculty of Veterinary Medicine, Aswan University, Aswan 81528, Egypt
| | - Phuong V. Tran
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Yuriko Tsuru
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Shogo Haraguchi
- Department of Biochemistry, Showa University School of Medicine, Tokyo 142-8555, Japan;
| | - Elizabeth R. Gilbert
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306, USA; (E.R.G.); (M.A.C.)
| | - Mark A. Cline
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0306, USA; (E.R.G.); (M.A.C.)
| | - Takashi Bungo
- Department of Bioresource Science, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan;
| | - Mitsuhiro Furuse
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
| | - Vishwajit S. Chowdhury
- Laboratory of Regulation in Metabolism and Behavior, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan; (M.Z.E.); (P.V.T.); (Y.T.); (M.F.)
- Division of Experimental Natural Science, Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
- Correspondence:
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He W, Li P, Wu G. Amino Acid Nutrition and Metabolism in Chickens. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1285:109-131. [PMID: 33770405 DOI: 10.1007/978-3-030-54462-1_7] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Both poultry meat and eggs provide high-quality animal protein [containing sufficient amounts and proper ratios of amino acids (AAs)] for human consumption and, therefore, play an important role in the growth, development, and health of all individuals. Because there are growing concerns about the suboptimal efficiencies of poultry production and its impact on environmental sustainability, much attention has been paid to the formulation of low-protein diets and precision nutrition through the addition of low-cost crystalline AAs or alternative sources of animal-protein feedstuffs. This necessitates a better understanding of AA nutrition and metabolism in chickens. Although historic nutrition research has focused on nutritionally essential amino acids (EAAs) that are not synthesized or are inadequately synthesized in the body, increasing evidence shows that the traditionally classified nutritionally nonessential amino acids (NEAAs), such as glutamine and glutamate, have physiological and regulatory roles other than protein synthesis in chicken growth and egg production. In addition, like other avian species, chickens do not synthesize adequately glycine or proline (the most abundant AAs in the body but present in plant-source feedstuffs at low content) relative to their nutritional and physiological needs. Therefore, these two AAs must be sufficient in poultry diets. Animal proteins (including ruminant meat & bone meal and hydrolyzed feather meal) are abundant sources of both glycine and proline in chicken nutrition. Clearly, chickens (including broilers and laying hens) have dietary requirements for all proteinogenic AAs to achieve their maximum productivity and maintain optimum health particularly under adverse conditions such as heat stress and disease. This is a paradigm shift in poultry nutrition from the 70-year-old "ideal protein" concept that concerned only about EAAs to the focus of functional AAs that include both EAAs and NEAAs.
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Affiliation(s)
- Wenliang He
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - Peng Li
- North American Renderers Association, Alexandria, VA, USA
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, TX, USA.
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Nutritional Characteristics and Functions of D-Amino Acids in the Chicken. J Poult Sci 2020; 57:18-27. [PMID: 32174761 PMCID: PMC7063078 DOI: 10.2141/jpsa.0190062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
D-Amino acids occur in modest amounts in bacterial proteins and the bacterial cell wall, as well as in peptide antibiotics. Therefore, D-amino acids present in terrestrial vertebrates were believed to be derived from bacteria present in the gastrointestinal tract or fermented food. However, both exogenous and endogenous origins of D-amino acids have been confirmed. Terrestrial vertebrates possess an enzyme for converting certain L-isomers to D-isomers. D-Amino acids have nutritional aspects and functions, some are similar to, and others are different from those of L-isomers. Here, we describe the nutritional characteristics and functions of D-amino acids and also discuss the future perspectives of D-amino acid nutrition in the chicken.
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Untargeted metabolomics analysis of rat hippocampus subjected to sleep fragmentation. Brain Res Bull 2019; 153:74-83. [PMID: 31419538 DOI: 10.1016/j.brainresbull.2019.08.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 07/25/2019] [Accepted: 08/10/2019] [Indexed: 01/08/2023]
Abstract
Sleep fragmentation (SF) commonly occurs in several pathologic conditions and is especially associated with impairments of hippocampus-dependent neurocognitive functions. Although the effects of SF on hippocampus in terms of protein or gene levels were examined in several studies, the impact of SF at the metabolite level has not been investigated. Thus, in this study, the differentially expressed large-scale metabolite profiles of hippocampus in a rat model of SF were investigated using untargeted metabolomics approaches. Forty-eight rats were divided into the following 4 groups: 4-day SF group, 4-day exercise control (EC) group, 15-day SF group, and 15-day EC group (n = 12, each). SF was accomplished by forced exercise using a walking wheel system with 30-s on/90-s off cycles, and EC condition was set at 10-min on/30-min off. The metabolite profiles of rat hippocampi in the SF and EC groups were analyzed using liquid chromatography/mass spectrometry. Multivariate analysis revealed distinctive metabolic profiles and marker signals between the SF and corresponding EC groups. Metabolic changes were significant only in the 15-day SF group. In the 15-day SF group, L-tryptophan, myristoylcarnitine, and palmitoylcarnitine were significantly increased, while adenosine monophosphate, hypoxanthine, L-glutamate, L-aspartate, L-methionine, and glycerophosphocholine were decreased compared to the EC group. The alanine, aspartate, and glutamate metabolism pathway was observed as the common key pathway in the 15-day SF groups. The results from this untargeted metabolomics study provide a perspective on metabolic impact of SF on the hippocampus.
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Central regulation of feeding behavior through neuropeptides and amino acids in neonatal chicks. Amino Acids 2019; 51:1129-1152. [DOI: 10.1007/s00726-019-02762-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 07/05/2019] [Indexed: 10/26/2022]
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Li Y, Han H, Yin J, He X, Tang Z, Li T, Yao K, Yin Y. d- andl-Aspartate regulates growth performance, inflammation and intestinal microbial community in young pigs. Food Funct 2019; 10:1028-1037. [DOI: 10.1039/c8fo01410h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Dietary 1%d-Asp andl-Asp affect the growth performance and inflammation in young pigs, which might be associated with gut microbiota.
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Affiliation(s)
- Yuying Li
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Hui Han
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Jie Yin
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Xingguo He
- Changsha LvYe Bio-technology Co
- Ltd
- Changsha
- China
| | - Zhiyi Tang
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Tiejun Li
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Kang Yao
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
| | - Yulong Yin
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process; Key Laboratory of Agro-ecological Processes in Subtropical Region
- Institute of Subtropical Agriculture
- Chinese Academy of Sciences; National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production; Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production; Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central
- Ministry of Agriculture
- Changsha
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Aluwong T, Sumanu VO, Ayo JO, Ocheja BO, Zakari FO, Minka NS. Daily rhythms of cloacal temperature in broiler chickens of different age groups administered with zinc gluconate and probiotic during the hot-dry season. Physiol Rep 2018. [PMID: 28637707 PMCID: PMC5492204 DOI: 10.14814/phy2.13314] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
The aim of the experiment was to evaluate effects of zinc gluconate (ZnGlu) and probiotic administration on the daily rhythm of cloacal temperature (tcloacal) in broiler chickens of different age groups during the hot-dry season. One-day-old broiler chicks (n = 60) were divided into groups I-IV of 15 chicks per group, and treated for 35 days: Group I (control) was given deionized water; Group II, ZnGlu (50 mg/kg); Group III, probiotic (4.125 × 106 cfu/100 mL), and Group IV, ZnGlu (50 mg/kg) + probiotic (4.125 × 106 cfu/100 mL). Air dry-bulb temperature (tdb), relative humidity (RH), and temperature-humidity index (THI) inside the pen, and tcloacal of each broiler chick were obtained bihourly over a 24-h period; on days 21, 28, and 35 of the study. Values of tdb (32.10 ± 0.49°C), RH (49.94 ± 1.91%), and THI (38.85 ± 0.42) obtained were outside the thermoneutral zone for broiler chickens, and suggested that the birds were subjected to heat stress. Application of the periodic model showed disruption of daily rhythm of tcloacal in broilers on day 21, which was synchronized by probiotic administration. The administration of probiotics or ZnGlu + probiotics to a greater extent decreased the mesor and amplitude, delayed the acrophases of tcloacal in broilers, especially at day 35, as compared to the controls. Overall, the tcloacal values in broiler chickens administered with probiotic alone (41.25 ± 0.05°C) and ZnGlu + probiotic (41.52 ± 0.05°C) were lower (P < 0.001) than that of the controls (41.94 ± 0.06°C). In conclusion, probiotic alone synchronized tcloacal of the birds at day 21, and, in addition, decreased tcloacal response most, followed by its coadministration with ZnGlu, the antioxidants may be beneficial in modulating daily rhythmicity of tcloacal and alleviating adverse effects of heat stress on broiler chickens during the hot-dry season.
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Affiliation(s)
- Tagang Aluwong
- Department of Veterinary Physiology, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria, Nigeria
| | - Victory O Sumanu
- Department of Veterinary Physiology, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria, Nigeria
| | - Joseph O Ayo
- Department of Veterinary Physiology, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria, Nigeria
| | - Benjamin O Ocheja
- Department of Veterinary Physiology, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria, Nigeria
| | - Friday O Zakari
- Department of Veterinary Physiology, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria, Nigeria
| | - Ndazo S Minka
- Division of Agricultural Colleges, College of Agriculture and Animal Science Ahmadu Bello University, Mando-Kaduna, Nigeria
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Orally Administered D-Aspartate Depresses Rectal Temperature and Alters Plasma Triacylglycerol and Glucose Concentrations in Broiler Chicks. J Poult Sci 2017; 54:205-211. [PMID: 32908427 PMCID: PMC7477212 DOI: 10.2141/jpsa.0160010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
L-Aspartate (L-Asp), D-aspartate (D-Asp) or their chemical conjugates plays important physiological roles in regulating food intake, plasma metabolites and thermoregulation in animals. However, there are very few studies available in layers and no reports have been found in broilers. Broilers are very important commercial birds for meat production, so effects of L- or D-Asp in broilers would provide new physiological insight of this strain. Therefore, the purpose of this study was to determine the effect of oral administration of L- or D-Asp on feed intake, rectal temperature and some plasma metabolites in broiler chicks. Broiler chicks (5 days old) were orally administered with different doses (0, 3.75, 7.5 and 15 mmol/kg body weight) of L- or D-Asp. At 120 min after administration of L- or D-Asp, the blood was immediately collected through the jugular vein. The rectal temperature of chicks was measured at 30, 60 and 120 min after administration using a digital thermometer with an accuracy of ±0.1°C, by inserting the thermistor probe in the rectum to a depth of 2 cm. A repeated-measures two-way ANOVA was applied for the analysis of feed intake and rectal temperature. Plasma metabolites were statistically analyzed by one-way ANOVA and regression equations. The study showed that oral administration of both L- and D-Asp did not alter feed intake. However, D-Asp, but not L-Asp, dose-dependently decreased the rectal temperature in chicks. It was also found that D-Asp increased plasma glucose and decreased triacylglycerol concentrations. The changes in plasma metabolites further indicate that D-Asp treatment modulates the energy metabolism in broiler chicks. In conclusion, D-Asp may be a beneficial nutrient not only for layers but also for broilers, since orally administered D-Asp lowered rectal temperature without reducing feed intake.
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Ikeda H, Nagasawa M, Yamaguchi T, Minaminaka K, Goda R, Chowdhury VS, Yasuo S, Furuse M. Disparities in activity levels and learning ability between Djungarian hamster ( Phodopus sungorus) and Roborovskii hamster ( Phodopus roborovskii). Anim Sci J 2017; 88:533-545. [DOI: 10.1111/asj.12659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 04/10/2016] [Accepted: 04/13/2016] [Indexed: 11/29/2022]
Affiliation(s)
- Hiromi Ikeda
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Mao Nagasawa
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Takeshi Yamaguchi
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Kimie Minaminaka
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Ryosei Goda
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Vishwajit S. Chowdhury
- Division for Experimental Natural Science, Faculty of Arts and Science; Kyushu University; Fukuoka Japan
| | - Shinobu Yasuo
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
| | - Mitsuhiro Furuse
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture; Kyushu University; Fukuoka Japan
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Central Injection of Glucose Modifies Behavior, Amino Acid and Monoamine Metabolism in Neonatal Chicks under Acute Stressful Conditions. J Poult Sci 2016; 53:82-92. [PMID: 32908369 PMCID: PMC7477244 DOI: 10.2141/jpsa.0150093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The effect of intracerebroventricular (i.c.v.) injection of a wide range of glucose concentrations on the behavioral response, central amino acid and monoamine contents was investigated in chicks exposed to a social isolation stressful condition. The chicks were given an i.c.v. injection of 0.21, 0.42, 0.84, and 1.68 µmol of D-glucose, and then behavioral changes were observed over 10 min. The behavioral stress response was dose-dependently decreased and calm behavior was increased by i.c.v. administration of glucose. In the diencephalon, glutamine was positively correlated, whereas glycine was negatively correlated with the dose of glucose. In the telencephalon, the dopamine metabolite and dopamine turnover rates were positively correlated, whereas dopamine was negatively correlated with doses of glucose. In the plasma, isoleucine and hydroxyproline were positively correlated with the dose of glucose, and several amino acids were also influenced by glucose levels. These results suggest that the possible pathways of the sedative effect of glucose include: (1) amino acids synthesized from injected glucose, which can induce the sedative and/or hypnotic effects; (2) amino acids modified by injected glucose transported in the brain from the peripheral tissues; and (3) injected glucose-induced decreases in brain dopamine levels. In conclusion, these changes induced by central glucose interact and induce the sedative effect in neonatal chicks.
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Furuse M. Screening of central functions of amino acids and their metabolites for sedative and hypnotic effects using chick models. Eur J Pharmacol 2015; 762:382-93. [DOI: 10.1016/j.ejphar.2015.06.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 06/16/2015] [Accepted: 06/17/2015] [Indexed: 11/29/2022]
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Comparison of centrally injected tryptophan-related substances inducing sedation in acute isolation stress-induced neonatal chicks. Pharmacol Biochem Behav 2015; 129:1-6. [DOI: 10.1016/j.pbb.2014.11.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 11/17/2014] [Accepted: 11/22/2014] [Indexed: 11/21/2022]
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Central Administration of Glucose Modifies Brain Amino Acid Metabolism in Neonatal Chicks. J Poult Sci 2015. [DOI: 10.2141/jpsa.0140014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Oral Administration of L-Citrulline, but not L-Arginine or L-Ornithine, Acts as a Hypothermic Agent in Chicks. J Poult Sci 2015. [DOI: 10.2141/jpsa.0150014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Erwan E, Chowdhury VS, Nagasawa M, Goda R, Otsuka T, Yasuo S, Furuse M. Central injection of L- and D-aspartate attenuates isolation-induced stress behavior in chicks possibly through different mechanisms. Eur J Pharmacol 2014; 736:138-42. [DOI: 10.1016/j.ejphar.2014.04.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 04/02/2014] [Accepted: 04/15/2014] [Indexed: 10/25/2022]
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Oral administration of D-aspartate, but not L-aspartate, depresses rectal temperature and alters plasma metabolites in chicks. Life Sci 2014; 109:65-71. [PMID: 24881518 DOI: 10.1016/j.lfs.2014.05.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 05/14/2014] [Accepted: 05/19/2014] [Indexed: 11/22/2022]
Abstract
AIMS L-Aspartate (L-Asp) and D-aspartate (D-Asp) are physiologically important amino acids in mammals and birds. However, the functions of these amino acids have not yet been fully understood. In this study, we therefore examined the effects of L-Asp and D-Asp in terms of regulating body temperature, plasma metabolites and catecholamines in chicks. MAIN METHODS Chicks were first orally administered with different doses (0, 3.75, 7.5 and 15 mmol/kg body weight) of L- or D-Asp to monitor the effects of these amino acids on rectal temperature during 120 min of the experimental period. KEY FINDINGS Oral administration of D-Asp, but not of L-Asp, linearly decreased the rectal temperature in chicks. Importantly, orally administered D-Asp led to a significant reduction in body temperature in chicks even under high ambient temperature (HT) conditions. However, centrally administered D-Asp did not significantly influence the body temperature in chicks. As for plasma metabolites and catecholamines, orally administered D-Asp led to decreased triacylglycerol and uric acid concentrations and increased glucose and chlorine concentrations but did not alter plasma catecholamines. SIGNIFICANCE These results suggest that oral administration of D-Asp may play a potent role in reducing body temperature under both normal and HT conditions. The alteration of plasma metabolites further indicates that D-Asp may contribute to the regulation of metabolic activity in chicks.
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Oxidative damage and brain concentrations of free amino acid in chicks exposed to high ambient temperature. Comp Biochem Physiol A Mol Integr Physiol 2014; 169:70-6. [DOI: 10.1016/j.cbpa.2013.12.020] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Revised: 12/16/2013] [Accepted: 12/27/2013] [Indexed: 11/24/2022]
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Erwan E, Chowdhury V, Ito K, Furuse M. Lauroyl-l-aspartate decreased food intake and body temperature in neonatal chicks. Pharmacol Biochem Behav 2013; 113:7-11. [DOI: 10.1016/j.pbb.2013.10.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 09/30/2013] [Accepted: 10/10/2013] [Indexed: 10/26/2022]
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Oral Administration of D-aspartate, but not of L-aspartate, Reduces Food Intake in Chicks. J Poult Sci 2013. [DOI: 10.2141/jpsa.0120116] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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