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Bełdowska A, Siwek M, Biesek J, Barszcz M, Tuśnio A, Gawin K, Dunisławska A. Impact of in ovo administration of xylo- and mannooligosaccharides on broiler chicken gut health. Poult Sci 2024; 103:104261. [PMID: 39265513 DOI: 10.1016/j.psj.2024.104261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/28/2024] [Accepted: 08/20/2024] [Indexed: 09/14/2024] Open
Abstract
The intestinal mucosa creates a connection between the gut microbiota and the host. This study aimed to modify the gut microbiota of broiler chickens by in ovo stimulation with xylo-oligosaccharide (XOS) and manno-oligosaccharide (MOS) prebiotics and to determine the changes occurring in specific gut segments. Three hundred incubated eggs of Ross 308 broiler chickens on the 12th d of incubation were injected with: saline (control), xylotriose (XOS3), xylotetrose (XOS4), mannotriose (MOS3) or mannotetrose (MOS4). Tissue and digesta samples were collected post-mortem from 8 randomly selected individuals from each group, on d 42 after hatching. Gene expression analysis in the cecum and ileum was performed by RT-qPCR for a panel of genes: innate immune response genes (IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17, IL-1β, IFNγ, IFNβ), nutrient sensing and nutrient transport genes (FFAR2, FFAR4, GLUT1, GLUT2, GLUT5), host defence peptides (AvBD1, CATHL2), and barrier function genes (MUC6, CLDN1, TJAP). The relative abundance of bacteria was determined by qPCR for individual bacteria (Akkermansia muciniphilla, Bifidobacterium spp., Clostridium difficile, Escherichia coli, Faecalibacterium prausnitzii, and Lactobacillus spp.). Stimulation with prebiotics caused changes in the abundance of bacteria especially Lactobacillus spp. and Bifidobacterium spp. in the cecum. The abundance of both genera increased in each study group compared to the control group. The highest abundance of Bifidobacterium spp. in the ileum was found in the MOS3 group compared to the control group. There were changes in the XOS4 and MOS3 groups in the expression of: FFAR4, GLUT1, AvBD1, CATHL2, IL-2, IL-12, and IL-17 in the caecum. In conclusion, in ovo administration of prebiotics increased intestinal colonization by bacteria. The prebiotics influenced gene expression levels via changes in the gut microbiota.
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Affiliation(s)
- Aleksandra Bełdowska
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland.
| | - Maria Siwek
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Jakub Biesek
- Department of Animal Breeding and Nutrition, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Marcin Barszcz
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Anna Tuśnio
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Kamil Gawin
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Aleksandra Dunisławska
- Department of Animal Biotechnology and Genetics, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
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Gut Microbiota, Intestinal Morphometric Characteristics, and Gene Expression in Relation to the Growth Performance of Chickens. Animals (Basel) 2022; 12:ani12243474. [PMID: 36552394 PMCID: PMC9774407 DOI: 10.3390/ani12243474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/04/2022] [Accepted: 11/14/2022] [Indexed: 12/13/2022] Open
Abstract
this study aimed to investigate the growth mechanism in a local breed of chickens by comparing the highest weight (HW) and the lowest weight in their microbiota, histological characteristics, and gene expression. Golden Montazah chickens, an Egyptian breed, were reared until they were 49 days old. All of the birds were fed ad libitum by a starter diet from day 1 until day 21, followed by a grower diet from day 21 to the end of the study. At 49 days old, the forty-eight birds with the heaviest body weight (HW) and the lightest body weight (LW) were chosen. Blood biochemical and histological morphometric parameters, electron microscopy, and intestinal nutrient transporter gene expression were studied in the sampled jejunum. The microbial composition and functions of the content and mucosa in HW and LW chickens were studied using 16S rRNA gene sequencing. The histological morphometric parameters were all more significantly (p < 0.05) increased in the HW chickens than in the LW chickens. Total protein, albumin, and triglycerides in serum were significantly higher (p < 0.05) in the HW chickens than in the LW chickens. The microbiome profile in the gut showed that Microbacterium and Sphingomonas were positively correlated with the body weights. In the local breed, there were significant differences in the intestinal microstructure which could enhance the growth mechanism and body weight. Our findings showed that some microbial components were significantly associated with body weight and their interactions with the host could be inferred to explain why these interactions might alter the host’s metabolic responses. Further investigation into combining bioinformatics with lab experiments in chickens will help us to understand how gut bacteria can change the host’s metabolism by special metabolic features in the gastrointestinal system.
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Sweazea KL. Revisiting glucose regulation in birds - A negative model of diabetes complications. Comp Biochem Physiol B Biochem Mol Biol 2022; 262:110778. [PMID: 35817273 DOI: 10.1016/j.cbpb.2022.110778] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 11/19/2022]
Abstract
Birds naturally have blood glucose concentrations that are nearly double levels measured for mammals of similar body size and studies have shown that birds are resistant to insulin-mediated glucose uptake into tissues. While a combination of high blood glucose and insulin resistance is associated with diabetes-related pathologies in mammals, birds do not develop such complications. Moreover, studies have shown that birds are resistant to oxidative stress and protein glycation and in fact, live longer than similar-sized mammals. This review seeks to explore how birds regulate blood glucose as well as various theories that might explain their apparent resistance to insulin-mediated glucose uptake and adaptations that enable them to thrive in a state of relative hyperglycemia.
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Ghareeb AFA, Schneiders GH, Richter JN, Foutz JC, Milfort MC, Fuller AL, Yuan J, Rekaya R, Aggrey SE. Heat stress modulates the disruptive effects of Eimeria maxima infection on the ileum nutrient digestibility, molecular transporters, and tissue morphology in meat-type chickens. PLoS One 2022; 17:e0269131. [PMID: 35657942 PMCID: PMC9165794 DOI: 10.1371/journal.pone.0269131] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/14/2022] [Indexed: 11/18/2022] Open
Abstract
Eimeria (E.) maxima is one of the most pathogenic Eimeria spp persistently invading the middle jejunum and ileum, damaging the intestinal mucosa of chickens. Heat stress (HS) is a common stressor and equally contributes to inflammation and oxidative stress. We investigated the effect of E. maxima infection and HS on ileal digestibility, mRNA expression of nutrient transporters, and ileal tissue morphology in broiler chickens. There were four treatment groups: thermoneutral control (TNc), thermoneutral infected (TNi), heat stress control (HSc), and heat stress infected (HSi), 6 replicates each of 10 birds per treatment. Chickens were fed a diet containing 0.2% TiO2. At 6-day-post infection, ileal content and tissue were collected to quantify ileal digestibility of crude protein and fat, mRNA levels of nutrient transporters and histopathology. Growth and feed intake were reduced in all treatment groups, compared with the TNc. Contrary to expectation, the combination of two major stressors (E. maxima and HS) in the TNi group exhibited almost normal digestibility while only the TNi birds expressed severe digestibility depression, compared with the TNc group. The TNi group showed the lowest mRNA expression of the transporters: SGLT1, GLUT2-5-8-10-12, FABP1-2-6, and PEPT1 compared with the other treatment groups. The expression of the absorptive enterocytes’ gene markers (ACSL5, IAP, and SGLT1) supported by the ileal tissue morphology indicated that the TNi group had the highest enterocytic destruction. The expression of oxidative genes (iNOS and CYBB) dramatically increased only in the TNi group compared with the other treatment groups. Our results showed that exposing broiler chickens to HS can mitigate the disruptive effect of E. maxima on the ileal digestibility and absorption by limiting the parasite-induced tissue injury and suppressing the enterocytic inducible oxidative damage.
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Affiliation(s)
- Ahmed F. A. Ghareeb
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - Gustavo H. Schneiders
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - Jennifer N. Richter
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - James C. Foutz
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - Marie C. Milfort
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - Albert L. Fuller
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
| | - Jianmin Yuan
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, Peoples Republic of China
| | - Romdhane Rekaya
- Department of Animal and Dairy Science, University of Georgia, Athens, Georgia, United States of America
| | - Samuel E. Aggrey
- Department of Poultry Science, University of Georgia, Athens, Georgia, United States of America
- * E-mail:
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5
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Huttener R, Thorrez L, Veld TI, Granvik M, Van Lommel L, Waelkens E, Derua R, Lemaire K, Goyvaerts L, De Coster S, Buyse J, Schuit F. Sequencing refractory regions in bird genomes are hotspots for accelerated protein evolution. BMC Ecol Evol 2021; 21:176. [PMID: 34537008 PMCID: PMC8449477 DOI: 10.1186/s12862-021-01905-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 08/31/2021] [Indexed: 11/29/2022] Open
Abstract
Background Approximately 1000 protein encoding genes common for vertebrates are still unannotated in avian genomes. Are these genes evolutionary lost or are they not yet found for technical reasons? Using genome landscapes as a tool to visualize large-scale regional effects of genome evolution, we reexamined this question. Results On basis of gene annotation in non-avian vertebrate genomes, we established a list of 15,135 common vertebrate genes. Of these, 1026 were not found in any of eight examined bird genomes. Visualizing regional genome effects by our sliding window approach showed that the majority of these "missing" genes can be clustered to 14 regions of the human reference genome. In these clusters, an additional 1517 genes (often gene fragments) were underrepresented in bird genomes. The clusters of “missing” genes coincided with regions of very high GC content, particularly in avian genomes, making them “hidden” because of incomplete sequencing. Moreover, proteins encoded by genes in these sequencing refractory regions showed signs of accelerated protein evolution. As a proof of principle for this idea we experimentally characterized the mRNA and protein products of four "hidden" bird genes that are crucial for energy homeostasis in skeletal muscle: ALDOA, ENO3, PYGM and SLC2A4. Conclusions A least part of the “missing” genes in bird genomes can be attributed to an artifact caused by the difficulty to sequence regions with extreme GC% (“hidden” genes). Biologically, these “hidden” genes are of interest as they encode proteins that evolve more rapidly than the genome wide average. Finally we show that four of these “hidden” genes encode key proteins for energy metabolism in flight muscle. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01905-7.
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Affiliation(s)
- R Huttener
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - L Thorrez
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium.,Tissue Engineering Laboratory, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium
| | - T In't Veld
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - M Granvik
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - L Van Lommel
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - E Waelkens
- Laboratory of Protein Phosphorylation and Proteomics, KU Leuven, Leuven, Belgium
| | - R Derua
- Laboratory of Protein Phosphorylation and Proteomics, KU Leuven, Leuven, Belgium
| | - K Lemaire
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - L Goyvaerts
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - S De Coster
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium
| | - J Buyse
- Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Leuven, Belgium
| | - F Schuit
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1, bus 901, 3000, Leuven, Belgium.
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The Impact of Hydrated Aluminosilicates Supplemented in Litter and Feed on Chicken Growth, Muscle Traits and Gene Expression in the Intestinal Mucosa. Animals (Basel) 2021; 11:ani11082224. [PMID: 34438682 PMCID: PMC8388497 DOI: 10.3390/ani11082224] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/13/2021] [Accepted: 07/26/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary Poultry meat production has many challenges; one of them is the optimized use of natural feed and litter additives. Aluminosilicates have many properties, stimulating both the health and growth of birds and influencing the hygienic status of production. The objectives of the study were to compare growth, meat quality traits and gene expression in the intestinal mucosa of chickens, where halloysite and zeolite were added to the feed and litter simultaneously. There was a similar growth performance in all tested groups. There was no negative impact on most of the meat characteristics, and a positive effect on the water-holding capacity of the breast muscles was observed. The immunostimulatory and immunoregulatory properties of natural minerals have been demonstrated. Therefore, their use in the production of broiler chickens can be recommended. Abstract The aim of the study was to compare the production, muscle traits and gene expression in the intestinal mucosa of chickens supplemented with aluminosilicates in feed and litter simultaneously. A total of 300 Ross 308 were maintained for 42 days. Group 1 was the control group. In group 2, 0.650 kg/m2 of halloysite was added to the litter and 0.5–2% to the feed (halloysite and zeolite in a 1:1 ratio); in group 3, we added zeolite (0.650 kg/m2) to the litter and 0.5–2% to the feed. The production parameters, the slaughter yield and analyses of muscle quality were analyzed. There was a higher body weight, body weight gain and feed conversion ratio on day 18 and 33 in group 3, and a higher feed intake on day 19–33 in groups 2 and 3 than in 1. A lower water-holding capacity was found in the breasts of group 2 and in the legs of group 3 compared to group 1. The expression of genes related to the immune response, host defense and intestinal barrier and nutrient sensing in the intestinal tissue was analyzed. The results show a beneficial effect on the immune status of the host without an adverse effect on the expression of genes related to intestinal tightness or nutritional processes. Due to the growth, meat characteristics and the positive impact of immunostimulant and regulating properties, aluminosilicates can be suggested as a litter and feed additive in the rearing of chickens.
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Fernandes-Silva H, Alves MG, Araújo-Silva H, Silva AM, Correia-Pinto J, Oliveira PF, Moura RS. Lung branching morphogenesis is accompanied by temporal metabolic changes towards a glycolytic preference. Cell Biosci 2021; 11:134. [PMID: 34274010 PMCID: PMC8285861 DOI: 10.1186/s13578-021-00654-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 07/07/2021] [Indexed: 12/29/2022] Open
Abstract
Background Lung branching morphogenesis is characterized by epithelial-mesenchymal interactions that ultimately define the airway conducting system. Throughout this process, energy and structural macromolecules are necessary to sustain the high proliferative rates. The extensive knowledge of the molecular mechanisms underlying pulmonary development contrasts with the lack of data regarding the embryonic lung metabolic requirements. Here, we studied the metabolic profile associated with the early stages of chicken pulmonary branching. Methods In this study, we used an ex vivo lung explant culture system and analyzed the consumption/production of extracellular metabolic intermediates associated with glucose catabolism (alanine, lactate, and acetate) by 1H-NMR spectroscopy in the culture medium. Then, we characterized the transcript levels of metabolite membrane transporters (glut1, glut3, glut8, mct1, mct3, mct4, and mct8) and glycolytic enzymes (hk1, hk2, pfk1, ldha, ldhb, pdha, and pdhb) by qPCR. ldha and ldhb mRNA spatial localization was determined by in situ hybridization. Proliferation was analyzed by directly assessing DNA synthesis using an EdU-based assay. Additionally, we performed western blot to analyze LDHA and LDHT protein levels. Finally, we used a Clark-Type Electrode to assess the lung explant's respiratory capacity. Results Glucose consumption decreases, whereas alanine, lactate, and acetate production progressively increase as branching morphogenesis proceeds. mRNA analysis revealed variations in the expression levels of key enzymes and transporters from the glycolytic pathway. ldha and ldhb displayed a compartment-specific expression pattern that resembles proximal–distal markers. In addition, high proliferation levels were detected at active branching sites. LDH protein expression levels suggest that LDHB may account for the progressive rise in lactate. Concurrently, there is a stable oxygen consumption rate throughout branching morphogenesis. Conclusions This report describes the temporal metabolic changes that accompany the early stages of chicken lung branching morphogenesis. Overall, the embryonic chicken lung seems to shift to a glycolytic lactate-based metabolism as pulmonary branching occurs. Moreover, this metabolic rewiring might play a crucial role during lung development. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-021-00654-w.
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Affiliation(s)
- Hugo Fernandes-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, 4710-057, Braga/Guimarães, Portugal.,PhDOC PhD Program, ICVS/3B's, School of Medicine, University of Minho, 4710-057, Braga, Portugal
| | - Marco G Alves
- Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, 4050-313, Porto, Portugal.,Department of Microscopy, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, 4050-313, Porto, Portugal
| | - Henrique Araújo-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, 4710-057, Braga/Guimarães, Portugal
| | - Ana M Silva
- Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, 4050-313, Porto, Portugal
| | - Jorge Correia-Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, 4710-057, Braga/Guimarães, Portugal.,Department of Pediatric Surgery, Hospital of Braga, 4710-243, Braga, Portugal
| | - Pedro F Oliveira
- QOPNA &, LAQV, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rute S Moura
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057, Braga, Portugal. .,ICVS/3B's - PT Government Associate Laboratory, 4710-057, Braga/Guimarães, Portugal.
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8
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Furukawa K, Toyomizu M, Kikusato M. Possible role of corticosterone in proteolysis, glycolytic, and amino acid metabolism in primary cultured avian myotubes incubated at high-temperature conditions. Domest Anim Endocrinol 2021; 76:106608. [PMID: 33611161 DOI: 10.1016/j.domaniend.2021.106608] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 12/05/2020] [Accepted: 01/19/2021] [Indexed: 10/22/2022]
Abstract
Excess glucocorticoid secretion induces oxidative damage and muscle proteolysis and modulates glucose and lipid metabolism. It is known that the high-temperature (HT) treatment enhances corticosterone (CORT) secretion, muscle proteolysis, and mitochondrial reactive oxygen species (mtROS) generation in chickens. The present study investigated the co-effects of CORT on proteolysis and mtROS production, together with glucose, fatty acid, and amino acid metabolism in HT-treated cells. Myoblast cells were isolated from the major pectoralis muscle of five 0- or 1-day-old neonatal chicks and were precultured at 37°C/CO2 conditions for 48 h to reach subconfluent (80%-90%) conditions. Cells were then reseeded onto a 6- or 24-well microplate for the subsequent measurement, followed by the culture under a control temperature (37°C, control) or HT (41°C) conditions for 1 or 6 h. The HT-treated cells were cocultured with physiologically relevant concentrations of CORT (20 ng/mL in dimethyl sulfoxide). The HT treatment decreased cellular protein content (P < 0.05) and increased atrogin-1 mRNA levels and mtROS generation levels compared to the control group (P < 0.05), whereas HT/CORT co-treatment did not induce changes in either parameter. The mRNA level of glucose transporter-1 was decreased in HT-treated cells compared to that in normal cells (P < 0.05), and the decrease was increased in the CORT co-treatment (P < 0.05). While HT treatment did not alter pyruvate dehydrogenase kinase-4 mRNA level, the level was increased in the CORT co-treatment compared to the control and HT-treated cells (P < 0.05). Neither HT nor HT/CORT treatments altered the mRNA levels of fatty acid oxidation-related factors, carnitine palmitoyl transferase-1, and cluster of differentiation 36. The study conducted a metabolic analysis using gas chromatography-mass spectrometry. The results showed that HT/CORT-treated cells had decreased intracellular citrate and α-ketoglutarate levels (P < 0.05) and increased extracellular alanine and amino acid that have gluconeogenic properties, as well as increased aspartate, isoleucine, serine, methionine, and threonine levels (P < 0.05) compared to HT-treated cells. These results suggest that CORT may not affect proteolysis and mtROS production but can suppress pyruvate oxidation and promote alanine production in HT-treated chickens.
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Affiliation(s)
- Kyohei Furukawa
- Animal Nutrition, Life Sciences, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8572, Japan
| | - Masaaki Toyomizu
- Animal Nutrition, Life Sciences, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8572, Japan
| | - Motoi Kikusato
- Animal Nutrition, Life Sciences, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8572, Japan.
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9
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Mooradian AD, Haas MJ. Reduced cellular glucose transport confers natural protection against dextrose-induced superoxide generation and endoplasmic reticulum stress in domestic hen. Physiol Rep 2021; 9:e14816. [PMID: 33818012 PMCID: PMC8020048 DOI: 10.14814/phy2.14816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 11/28/2022] Open
Abstract
Normal blood glucose levels in avian species are two to fourfold higher than that in humans and the higher blood glucose levels in birds do not cause adverse effects. Endothelial cells isolated from the aorta of the domestic hen (Gallus gallus domesticus) and chicken aortic smooth muscle cells (CAOSMC) were compared to human coronary artery endothelial cells (HCAEC) and human primary aortic smooth muscle cells (HASMC). Superoxide (SO) generation was measured using a superoxide‐reactive probe. ER stress was measured using the placental alkaline phosphatase assay (ES‐TRAP). Glucose transport kinetics were determined using the 3H‐2‐deoxyglucose tracer. Dextrose‐induced SO generation and ER stress were significantly blunted in avian endothelial cells compared to human cells. The Vmax of glucose uptake (in nmoles/mg protein/min) in avian endothelial cells (0.0018 ± 0.0001) and smooth muscle cells (0.0015 ± 0.0007) was approximately 18–25 fold lower compared to the Vmax in HCAEC (0.033 ± 0.0025) and HASMC (0.038 ± 0.004) (all p < 0.0001). The Michaelis–Menten constant (Km) of transport was also significantly different (p < 0.0001) in avian species. The relative resistance of avian cells to dextrose‐induced oxidative stress and ER stress is mostly the result of reduced cellular dextrose transport.
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Affiliation(s)
- Arshag D Mooradian
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Florida Jacksonville College of Medicine, Jacksonville, FL, USA
| | - Michael J Haas
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Florida Jacksonville College of Medicine, Jacksonville, FL, USA
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Métayer-Coustard S, Tesseraud S, Praud C, Royer D, Bordeau T, Coudert E, Cailleau-Audouin E, Godet E, Delaveau J, Le Bihan-Duval E, Berri C. Early Growth and Protein-Energy Metabolism in Chicken Lines Divergently Selected on Ultimate pH. Front Physiol 2021; 12:643580. [PMID: 33746779 PMCID: PMC7969813 DOI: 10.3389/fphys.2021.643580] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 01/26/2021] [Indexed: 11/21/2022] Open
Abstract
In chickens, a divergent selection on the Pectoralis major pHu allowed the creation of the pHu+ and pHu− lines, which represent a unique model for studying the biological control of carbohydrate storage in muscle. The present study aimed to describe the early mechanisms involved in the establishment of pHu+ and pHu− phenotypes. At hatching, pHu+ chicks were slightly heavier but exhibited lower plasma glucose and triglyceride and higher uric acid. After 5 days, pHu+ chicks exhibited higher breast meat yield compared to pHu− while their body weight was no different. At both ages, in vivo muscle glycogen content was lower in pHu+ than in pHu− muscles. The lower ability of pHu+ chicks to store carbohydrate in their muscle was associated with the increased expression of SLC2A1 and SLC2A3 genes coding glucose transporters 1 and 3, and of CS and LDHα coding key enzymes of oxidative and glycolytic pathways, respectively. Reduced muscle glycogen content at hatching of the pHu+ was concomitant with higher activation by phosphorylation of S6 kinase 1/ribosomal protein S6 pathway, known to activate protein synthesis in chicken muscle. In conclusion, differences observed in muscle at slaughter age in the pHu+ and pHu− lines are already present at hatching. They are associated with several changes related to both carbohydrate and protein metabolism, which are likely to affect their ability to use eggs or exogenous nutrients for muscle growth or energy storage.
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Affiliation(s)
| | | | | | - David Royer
- INRAE, Université de Tours, BOA, Nouzilly, France
| | | | | | | | | | | | | | - Cécile Berri
- INRAE, Université de Tours, BOA, Nouzilly, France
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11
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Dynamic changes of blood glucose, serum biochemical parameters and gene expression in response to exogenous insulin in Arbor Acres broilers and Silky fowls. Sci Rep 2020; 10:6697. [PMID: 32317707 PMCID: PMC7174311 DOI: 10.1038/s41598-020-63549-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 03/26/2020] [Indexed: 11/14/2022] Open
Abstract
Silky chicken is a breed of chickens with black skin and slow growth rate used in Chinese traditional medicine, whereas Arbor Acres broiler is a well-known commercial breed in the poultry industry, it is featured by a large size, rapid-growth rate, high feed-conversion rate and strong adaptability. The difference in their rate of growth may be primarily related to different mechanism for glucose metabolism. Here we compared the insulin sensitivity of the two breeds; we investigated the temporal changes (at 0 min, 120 min and 240 min) of serum insulin and other biochemical parameters and determined the spatio-temporal changes of gene mRNA abundance in response to exogenous insulin (80 μg/kg body weight). The results indicated that: (1) Silky chickens showed stronger blood glucose recovery than broilers in the insulin resistance test. (2) The serum urea level in Silky chickens was twice of broilers; exogenous insulin significantly up-regulated serum uric acid level in Silky fowls in a time-dependent manner and increased serum cholesterol content at 120 min. (3) Two breeds showed distinctly different temporal changed in serum insulin in response to exogenous insulin stimulation. The fasting serum insulin concentration of broilers was three-fold of Silky chickens at the basal state; it decreased significantly after insulin injection and the levels at 120 min and 240 min of broilers were only 23% (P < 0.01) and 14% (P < 0.01) of the basal state, respectively. Whereas the serum insulin content in Silky chickens showed stronger recovery, and the 240 min level was close to the 0 min level. (4) GLUT2, GLUT12, neuropeptide Y and insulin receptor (IR) were predominantly expressed in the liver, pectoralis major, olfactory bulb and pancreas, respectively, where these genes presented stronger insulin sensitivity. In addition, the IR mRNA level was strongly positively with the GLUT12 level. In conclusion, our findings suggested that Silky chickens have a stronger ability to regulate glucose homeostasis than broilers, owing to their higher IR levels in the basal state, stronger serum insulin homeostasis and candidate genes functioning primarily in their predominantly expressed tissue in response to exogenous insulin.
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12
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Lake JA, Abasht B. Glucolipotoxicity: A Proposed Etiology for Wooden Breast and Related Myopathies in Commercial Broiler Chickens. Front Physiol 2020; 11:169. [PMID: 32231585 PMCID: PMC7083144 DOI: 10.3389/fphys.2020.00169] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 02/13/2020] [Indexed: 01/10/2023] Open
Abstract
Wooden breast is one of several myopathies of fast-growing commercial broilers that has emerged as a consequence of intensive selection practices in the poultry breeding industry. Despite the substantial economic burden presented to broiler producers worldwide by wooden breast and related muscle disorders such as white striping, the genetic and etiological underpinnings of these diseases are still poorly understood. Here we propose a new hypothesis on the primary causes of wooden breast that implicates dysregulation of lipid and glucose metabolism. Our hypothesis addresses recent findings that have suggested etiologic similarities between wooden breast and type 2 diabetes despite their phenotypic disparities. Unlike in mammals, dysregulation of lipid and glucose metabolism is not accompanied by an increase in plasma glucose levels but generates a unique skeletal muscle phenotype, i.e., wooden breast, in chickens. We hypothesize that these phenotypic disparities result from a major difference in skeletal muscle glucose transport between birds and mammals, and that the wooden breast phenotype most closely resembles complications of diabetes in smooth and cardiac muscle of mammals. Additional basic research on wooden breast and related muscle disorders in commercial broiler chickens is necessary and can be informative for poultry breeding and production as well as for human health and disease. To inform future studies, this paper reviews the current biological knowledge of wooden breast, outlines the major steps in its proposed pathogenesis, and examines how selection for production traits may have contributed to its prevalence.
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Affiliation(s)
- Juniper A. Lake
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, DE, United States
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, United States
| | - Behnam Abasht
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, DE, United States
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, United States
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13
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Pioche T, Skiba F, Bernadet MD, Seiliez I, Massimino W, Houssier M, Tavernier A, Ricaud K, Davail S, Skiba-Cassy S, Gontier K. Kinetic study of the expression of genes related to hepatic steatosis, glucose and lipid metabolism, and cellular stress during overfeeding in mule ducks. Am J Physiol Regul Integr Comp Physiol 2020; 318:R453-R467. [PMID: 31913683 DOI: 10.1152/ajpregu.00198.2019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Induced by overfeeding, hepatic steatosis is a process exploited for the "foie gras" production in mule ducks. To better understand the mechanisms underlying its development, the physiological responses of mule ducks overfed with corn for a duration of 11 days were analyzed. A kinetic analysis of glucose and lipid metabolism and cell protection mechanisms was performed on 96 male mule ducks during overfeeding with three sampling times (after the 4th, the 12th, and the 22nd meal). Gene expression and protein analysis realized on the liver, muscle, and abdominal fat showed an activation of a cholesterol biosynthetic pathway during the complete overfeeding period mainly in livers with significant correlations between its weight and its cholesterolemia (r = 0.88; P < 0.0001) and between the liver weight and the hmgcr and soat1 expression (r = 0.4, P < 0.0001 and r = 0.67; P < 0.0001, respectively). Results also revealed an activation of insulin and amino acid cells signaling a pathway suggesting that ducks boost insulin sensitivity to raise glucose uptake and use via glycolysis and lipogenesis. Cellular stress analysis revealed an upregulation of key autophagy-related gene expression atg8 and sqstm1(P < 0.0001) during the complete overfeeding period, mainly in the liver, in contrast to an induction of cyp2e1(P < 0.0001), suggesting that autophagy could be suppressed during steatosis development. This study has highlighted different mechanisms enabling mule ducks to efficiently handle the starch overload by keeping its liver in a nonpathological state. Moreover, it has revealed potential biomarker candidates of hepatic steatosis as plasma cholesterol for the liver weight.
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Affiliation(s)
- Tracy Pioche
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Fabien Skiba
- Nutricia, Route de Saint-Sever, Haut-Mauco, France
| | - Marie-Dominique Bernadet
- Unité Expérimentale Palmipèdes à Foie Gras, Institut National de la Recherche Agronomique Bordeaux-Aquitaine, Domaine d'Artiguères, Benquet, France
| | - Iban Seiliez
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - William Massimino
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Marianne Houssier
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Annabelle Tavernier
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Karine Ricaud
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Stéphane Davail
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Sandrine Skiba-Cassy
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
| | - Karine Gontier
- Institut National de la Recherche Agronomique, Univ Pau & Pays Adour, Energy and Environment Solutions initiative, Nutrition, Métabolisme, Aquaculture, Saint-Pée-sur-Nivelle, France
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14
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Payne JA, Proszkowiec-Weglarz M, Ellestad LE. Delayed access to feed alters expression of genes associated with carbohydrate and amino acid utilization in newly hatched broiler chicks. Am J Physiol Regul Integr Comp Physiol 2019; 317:R864-R878. [PMID: 31596116 PMCID: PMC6962625 DOI: 10.1152/ajpregu.00117.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 12/24/2022]
Abstract
Newly hatched chicks must transition from lipid-rich yolk to carbohydrate-rich feed as their primary nutrient source, and posthatch delays in access to feed can have long-term negative consequences on growth and metabolism. In this study, impacts of delayed access to feed at hatch on expression of genes related to nutrient uptake and utilization in two metabolically important tissues, liver and muscle, were determined in broiler (meat-type) chickens. Hatched chicks were given access to feed within 3 h (fed) or delayed access to feed for 48 h (delayed fed), and liver and breast muscle were collected from males at hatch and 4 h, 1 day, 2 days, 4 days, and 8 days posthatch for analysis of gene expression. Differential expression of carbohydrate response element-binding protein and peroxisome proliferator-activated receptor-γ in muscle and liver was observed, with results indicating a transitional delay from lipid to carbohydrate metabolism when hatched chicks were not given immediate access to feed. Extended upregulation of insulin receptor mRNA was observed in both tissues in delayed fed birds, suggesting increased sensitivity to circulating levels of the hormone. Developmental delays in expression patterns of cationic amino acid transporters 1 and 2 in both tissues and large neutral amino acid transporter 1 in muscle were also apparent when immediate feed access was prevented. These data suggest that delayed transition to carbohydrate use and altered nutrient transport and utilization within liver and breast muscle are key factors negatively affecting growth and metabolism following delayed feed access in broiler chickens.
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Affiliation(s)
- Jason A Payne
- Department of Poultry Science, University of Georgia, Athens, Georgia
| | - Monika Proszkowiec-Weglarz
- Animal Biosciences and Biotechnology Laboratory, United States Department of Agriculture, Agricultural Research Services, Northeast Area, Beltsville, Maryland
| | - Laura E Ellestad
- Department of Poultry Science, University of Georgia, Athens, Georgia
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15
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Tavernier A, Davail S, Houssier M, Bernadet MD, Ricaud K, Gontier K. Inter genotype differences in expression of genes involved in glucose metabolism in the establishment of hepatic steatosis in Muscovy, Pekin and mule ducks. Mol Biol Rep 2019; 47:1527-1533. [PMID: 31741265 DOI: 10.1007/s11033-019-05182-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 11/05/2019] [Indexed: 11/25/2022]
Abstract
In waterfowls, overfeeding leads to a hepatic steatosis, also called "foie gras". Our main objectives were to determine what is the share of genes involvement of glucose metabolism in the establishment of fatty liver in three genotypes of waterfowls: Muscovy (Cairina moschata), Pekin ducks (Anas platyrhynchos) and their crossbreed, the mule duck. 288 male ducks of Pekin, Muscovy and mule genotypes were reared until weeks 12 and overfed between weeks 12 and 14. We analysed gene expression at the beginning, the middle and the end of the overfeeding period in different tissues. We have shown an upregulation of glucose transporters (GLUT) in peripheral tissues (pectoralis major or adipose tissue) in Pekin ducks. In addition, GLUT2 was not found in jejunal mucosa and another GLUT seems to replace it 3 h after the meal: GLUT3. Mule ducks upregulating GLUT3 earlier compared to Pekin ducks. However, these results need further investigations. In liver, globally, Pekin ducks exhibit the highest expression of GLUT or enzymes implicated in glycolysis. The few significant variations of gene expressions in glucose metabolism between these three genotypes and the momentary specific overexpression of GLUT do not allow us to detect a lot of specific genotype differences. To conclude, the differences in response to overfeeding of Pekin, Muscovy and mule ducks, for the establishment of hepatic steatosis, cannot be only explained by the glucose metabolism at transcriptomic level.
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Affiliation(s)
- Annabelle Tavernier
- Nutrition, Métabolisme, Aquaculture, INRA, Univ. Pau & Pays Adour, E2S UPPA, UMR 1419, 64310, Saint-Pée-sur-Nivelle, France
| | - Stéphane Davail
- Nutrition, Métabolisme, Aquaculture, INRA, Univ. Pau & Pays Adour, E2S UPPA, UMR 1419, 64310, Saint-Pée-sur-Nivelle, France
| | - Marianne Houssier
- Nutrition, Métabolisme, Aquaculture, INRA, Univ. Pau & Pays Adour, E2S UPPA, UMR 1419, 64310, Saint-Pée-sur-Nivelle, France
| | | | - Karine Ricaud
- Nutrition, Métabolisme, Aquaculture, INRA, Univ. Pau & Pays Adour, E2S UPPA, UMR 1419, 64310, Saint-Pée-sur-Nivelle, France
| | - Karine Gontier
- Nutrition, Métabolisme, Aquaculture, INRA, Univ. Pau & Pays Adour, E2S UPPA, UMR 1419, 64310, Saint-Pée-sur-Nivelle, France.
- UMR 1419 INRA UPPA NuMéA, 371 Rue du Ruisseau, 40000, Mont-de-Marsan, France.
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16
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Shimamoto S, Nakashima K, Kamimura R, Kohrogi R, Inoue H, Nishikoba N, Ohtsuka A, Ijiri D. Insulin acutely increases glucose transporter 1 on plasma membranes and glucose uptake in an AKT-dependent manner in chicken adipocytes. Gen Comp Endocrinol 2019; 283:113232. [PMID: 31356813 DOI: 10.1016/j.ygcen.2019.113232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 06/21/2019] [Accepted: 07/25/2019] [Indexed: 11/17/2022]
Abstract
Avian glucose transporters (GLUT) responsible for insulin-responsive glucose uptake into adipocytes remain poorly characterized. We aimed to identify the insulin-responsive GLUT using primary culture of chicken adipocytes. Acute stimulation with 1 μM insulin for 20 min increased 2-deoxyglucose uptake, AKT protein phosphorylation, and GLUT1 protein levels on the plasma membrane of the chicken adipocytes, whereas pretreatment with 10 μM triciribine, an AKT inhibitor, canceled these effects. Furthermore, the insulin stimulation did not affect GLUT12 protein levels on the plasma membrane of the chicken adipocytes. Our results suggest that GLUT1 is an insulin-responsive GLUT in chicken adipocytes.
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Affiliation(s)
- Saki Shimamoto
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Kazuki Nakashima
- Division of Animal Metabolism and Nutrition, Institute of Livestock and Grassland Science, NARO, 2 Ikenodai, Tsukuba 305-0901, Japan
| | - Ryo Kamimura
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Rukana Kohrogi
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Hiroki Inoue
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Nao Nishikoba
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Akira Ohtsuka
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Daichi Ijiri
- Department of Biochemical Science and Technology, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.
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17
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Abasht B, Zhou N, Lee WR, Zhuo Z, Peripolli E. The metabolic characteristics of susceptibility to wooden breast disease in chickens with high feed efficiency. Poult Sci 2019; 98:3246-3256. [PMID: 30995306 DOI: 10.3382/ps/pez183] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 03/15/2019] [Indexed: 01/11/2023] Open
Abstract
This study was conducted to characterize metabolic differences between high feed efficiency (HFE) and low feed efficiency (LFE) chickens to investigate why feed efficient chickens are more susceptible to muscle abnormalities such as wooden breast disease. Gene expression profiles were generated by RNA sequencing of pectoralis major muscle samples from 10 HFE and 13 LFE broiler chickens selected from a modern broiler population. Metabolism-associated differentially expressed genes were identified and interpreted by Ingenuity Pathway Analysis and literature mining. Our RNA-seq data indicate decreased glycolytic capacity, increased fatty acid uptake, mitochondrial oxidation of fatty acids, and several other metabolic alterations in the pectoralis major muscle of HFE chickens. We also quantified glycogen content of the pectoralis major muscle and found that the HFE chickens had a significantly (P ≤ 0.05) lower glycogen content. Collectively, this study indicates extensive metabolic differences in the pectoralis major muscle between HFE and LFE chickens and helps identify metabolic features of susceptibility to muscle disorders in modern broiler chickens.
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Affiliation(s)
- Behnam Abasht
- Department of Animal and Food Sciences, University of Delaware, 531 South College Ave, Newark, DE 19716
| | - Nan Zhou
- Department of Animal and Food Sciences, University of Delaware, 531 South College Ave, Newark, DE 19716
| | | | - Zhu Zhuo
- Department of Animal and Food Sciences, University of Delaware, 531 South College Ave, Newark, DE 19716
| | - Elisa Peripolli
- Department of Animal and Food Sciences, University of Delaware, 531 South College Ave, Newark, DE 19716
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18
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Yang T, Zhao M, Li J, Zhang L, Jiang Y, Zhou G, Gao F. In ovo feeding of creatine pyruvate alters energy metabolism in muscle of embryos and post-hatch broilers. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2019; 32:834-841. [PMID: 30744365 PMCID: PMC6498083 DOI: 10.5713/ajas.18.0588] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 12/06/2018] [Indexed: 11/27/2022]
Abstract
Objective This study was conducted to investigate the effects of in ovo feeding (IOF) of creatine pyruvate (CrPyr) on the energy metabolism in thigh muscle of embryos and neonatal broilers. Methods A total of 960 eggs were randomly assigned to three treatments: i) non-injected control group, ii) saline group injected with 0.6 mL of physiological saline (0.75%), and iii) CrPyr group injected with 0.6 mL of physiological saline (0.75%) containing 12 mg CrPyr/egg on 17.5 d of incubation. After hatching, 120 male chicks (close to the average body weight of the pooled group) in each group were randomly assigned to eight replications. The feeding experiment lasted 7 days. Results The results showed that IOF of CrPyr increased glucose concentrations in the thigh muscle of broilers on 2 d after injection (p<0.05). Compared with the control and saline groups, the concentration of creatine in CrPyr group was increased on 2 d after injection and the day of hatch (p<0.05). Moreover, IOF of CrPyr increased the creatine kinase activity at hatch and increased the activities of hexokinase and pyruvate kinase on 2 d after injection and the day of hatch (p<0.05). Chicks in CrPyr group showed higher mRNA expressions of glucose transporter 3 (GLUT3) and GLUT8 on the day of hatch (p<0.05). Conclusion These results demonstrated that IOF of CrPyr was beneficial to enhance muscle energy reserves of embryos and hatchlings.
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Affiliation(s)
- Tong Yang
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Minmeng Zhao
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiaolong Li
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Lin Zhang
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Yun Jiang
- Ginling College, Nanjing Normal University, Nanjing 210097, China
| | - Guanghong Zhou
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
| | - Feng Gao
- Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.,Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Nanjing Agricultural University, Nanjing 210095, China
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19
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Coudert E, Praud C, Dupont J, Crochet S, Cailleau-Audouin E, Bordeau T, Godet E, Collin A, Berri C, Tesseraud S, Métayer-Coustard S. Expression of glucose transporters SLC2A1, SLC2A8, and SLC2A12 in different chicken muscles during ontogenesis. J Anim Sci 2018; 96:498-509. [PMID: 29401234 DOI: 10.1093/jas/skx084] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Glucose transport into cells is the first limiting step for the regulation of glucose homeostasis. In mammals, it is mediated by a family of facilitative glucose transporters (GLUTs) (encoded by SLC2A* genes), with a constitutive role (GLUT1), or insulin-sensitive transporters (GLUT4, GLUT8, and GLUT12). Compared to mammals, the chicken shows high levels of glycemia and relative insensitivity to exogenous insulin. To date, only GLUT1, GLUT8, and GLUT12 have been described in chicken skeletal muscles but not fully characterized, whereas GLUT4 was reported as lacking. The aim of the present study was to determine the changes in the expression of the SLC2A1, SLC2A8, and SLC2A12 genes, encoding GLUT1, GLUT8, and GLUT12 proteins respectively, during ontogenesis and how the respective expression of these three genes is affected by the muscle type and the nutritional or insulin status of the bird (fed, fasted, or insulin immunoneutralized). SLC2A1 was mostly expressed in the glycolytic pectoralis major (PM) muscle during embryogenesis and 5 d posthatching while SLC2A8 was mainly expressed at hatching. SLC2A12 expression increased regularly from 12 d in ovo up to 5 d posthatching. In the mixed-type sartorius muscle, the expression of SLC2A1 and SLC2A8 remained unchanged, whereas that of SLC2A12 was gradually increased during early muscle development. The expression of SLC2A1 and SLC2A8 was greater in oxidative and oxidoglycolytic muscles than in glycolytic muscles. The expression of SLC2A12 differed considerably between muscles but not necessarily in relation to muscle contractile or metabolic type. The expression of SLC2A1, SLC2A8, and SLC2A12 was reduced by fasting and insulin immunoneutralization in the PM muscle, while in the leg muscles only SLC2A12 was impaired by insulin immunoneutralization. Our findings clearly indicate differential regulation of the expression of three major GLUTs in skeletal muscles, with some type-related features. They provide new insights to improve the understanding of the fine regulation of glucose utilization in chicken muscles.
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Affiliation(s)
| | | | - Joëlle Dupont
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | | | | | | | - Estelle Godet
- INRA, UMR BOA, Université de Tours, Nouzilly, France
| | - Anne Collin
- INRA, UMR BOA, Université de Tours, Nouzilly, France
| | - Cécile Berri
- INRA, UMR BOA, Université de Tours, Nouzilly, France
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20
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Zhao M, Gong D, Gao T, Zhang L, Li J, Lv P, Yu L, Zhou G, Gao F. In Ovo Feeding of Creatine Pyruvate Increases the Glycolysis Pathway, Glucose Transporter Gene Expression, and AMPK Phosphorylation in Breast Muscle of Neonatal Broilers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:7684-7691. [PMID: 29974734 DOI: 10.1021/acs.jafc.8b02557] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
This study aims to investigate in ovo feeding (IOF) of creatine pyruvate (CrPyr) on glucose metabolism, hormone concentration, and the 5'-AMP-activated protein kinase (AMPK) pathway in breast muscle of embryos and neonatal broilers. The three treatments were noninjected control, 0.75% NaCl treatment, and 12 mg CrPyr/egg treatment. The solution was injected on the 17.5 day of incubation. At hatch, 120 male broilers from each treatment were chosen for a 7 day feeding trial. Compared with other treatments, CrPyr treated broilers enhanced insulin and thyroxine levels in plasma, adenosine triphosphate (ATP) concentration, hexokinase and pyruvate kinase activities, glucose transporter protein mRNA expressions, as well as protein abundances of phosphor-liver kinase B1 and phosphor-AMPK in breast muscle at hatch. In conclusion, IOF of CrPyr improved the energy status, increased the gene expression of glucose transporter proteins, and facilitated glycolysis in breast muscle, which may be associated with the activated AMPK pathway.
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Affiliation(s)
- Minmeng Zhao
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
- College of Animal Science and Technology , Yangzhou University , Yangzhou 225009 , P. R. China
| | - Daoqing Gong
- College of Animal Science and Technology , Yangzhou University , Yangzhou 225009 , P. R. China
| | - Tian Gao
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Lin Zhang
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Jiaolong Li
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Peng'an Lv
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Lanlin Yu
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Guanghong Zhou
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
| | - Feng Gao
- College of Animal Science and Technology, Jiangsu Key Laboratory of Animal Origin Food Production and Safety Guarantee, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control , Nanjing Agricultural University , Nanjing 210095 , P. R. China
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21
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Proszkowiec-Weglarz M, Dupont J, Rideau N, Gespach C, Simon J, Porter TE. Insulin immuno-neutralization decreases food intake in chickens without altering hypothalamic transcripts involved in food intake and metabolism. Poult Sci 2018; 96:4409-4418. [PMID: 29053815 PMCID: PMC5850116 DOI: 10.3382/ps/pex247] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 08/10/2017] [Indexed: 12/04/2022] Open
Abstract
In mammals, insulin regulates blood glucose levels and plays a key regulatory role in appetite via the hypothalamus. In contrast, chickens are characterized by atypical glucose homeostasis, with relatively high blood glucose levels, reduced glucose sensitivity of pancreatic beta cells, and large resistance to exogenous insulin. The aim of the present study was to investigate in chickens the effects of 5 h fasting and 5 h insulin immuno-neutralization on hypothalamic mRNA levels of 23 genes associated with food intake, energy balance, and glucose metabolism. We observed that insulin immune-neutralization by administration of anti-porcine insulin guinea pig serum (AI) significantly decreased food intake and increased plasma glucose levels in chickens, while 5 h fasting produced a limited and non-significant reduction in plasma glucose. In addition, 5 h fasting increased levels of NPY, TAS1R1, DIO2, LEPR, GLUT1, GLUT3, GLUT8, and GCK mRNA. In contrast, AI had no impact on the levels of any selected mRNA. Therefore, our results demonstrate that in chickens, food intake inhibition or satiety mechanisms induced by insulin immuno-neutralization do not rely on hypothalamic abundance of the 23 transcripts analyzed. The hypothalamic transcripts that were increased in the fasted group are likely components of a mechanism of adaptation to fasting in chickens.
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Affiliation(s)
- M Proszkowiec-Weglarz
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742
| | - J Dupont
- Station de Recherches Avicoles (UR 83), INRA, 37380 Nouzilly, France
| | - N Rideau
- Station de Recherches Avicoles (UR 83), INRA, 37380 Nouzilly, France
| | - C Gespach
- INSERM U938, Molecular and Clinical Oncology, Hôpital Saint Antoine, Université Pierre et Marie Curie Paris 6, 75012 Paris, France
| | - J Simon
- Station de Recherches Avicoles (UR 83), INRA, 37380 Nouzilly, France
| | - T E Porter
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742
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22
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Sahin N, Hayirli A, Orhan C, Tuzcu M, Akdemir F, Komorowski JR, Sahin K. Effects of the supplemental chromium form on performance and oxidative stress in broilers exposed to heat stress. Poult Sci 2018; 96:4317-4324. [PMID: 29053811 DOI: 10.3382/ps/pex249] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 08/10/2017] [Indexed: 12/26/2022] Open
Abstract
This experiment was conducted to investigate effects of the organic complex form of supplemental chromium (Cr) on performance, oxidative stress markers, and serum profile in broilers exposed to heat stress (HS). A total of 1,200 10-day-old boilers (Ross-308) was divided into one of the 6 treatments (2 environmental temperatures x 3 diets with different Cr forms). The birds were kept in temperature-controlled rooms at either 22 ± 2°C 24 h/d (thermoneutral, TN group) or 34 ± 2°C for 8 h/d, 08:00 to 17:00 h, followed by 22°C for 16 h (HS group) and fed either a basal diet (C) or the basal diet supplemented with Cr (200 μg/kg) through 1.600 mg of CrPic (12.43% Cr) and 0.788 mg of CrHis (25.22% Cr). Feed intake and body weight were recorded weekly. After cervical dislocation, liver samples were harvested to analyze Cr concentration and glucose transporter-2,4 (GLUT-2,4) expression. The breast meat also was sampled for the concentration of Cr and expressions of nuclear factor erythroid 2-related factor 2 (Nrf2) and nuclear factor kappa B (NF-κB). Data were analyzed by 2-way ANOVA. Heat stress caused depressions in feed intake (12.1%) and weight gain (21.1%) as well as elevations in feed conversion (11.2%) and abdominal fat (32.8%). It was also associated with depletion of Cr reserves and increases in serum concentrations of glucose, cholesterol, creatine, and enzymes. Exposure to HS was accompanied by suppression of the expressions of Nrf2 and GLUT-2 in muscle and GLUT-4 in the liver and amplification of the expression of NF-κB in muscle. Both Cr sources partially alleviated detrimental effects of HS on performance and metabolic profile. The efficacy of Cr as CrHis was more notable than Cr as CrPic, which could be attributed to higher bioavailability. In conclusion, CrHis can be added into the diet of broilers during hot seasons to overcome deteriorations in performance and wellbeing related to oxidative stress.
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Affiliation(s)
- N Sahin
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Firat University, University, 23119 Elazig, Turkey
| | - A Hayirli
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Turkey
| | - C Orhan
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Firat University, University, 23119 Elazig, Turkey
| | - M Tuzcu
- Division of Biology, Faculty of Science, Firat University, 23119 Elazig, Turkey
| | - F Akdemir
- Department of Nutrition, Faculty of Fisheries, Inonu University, 44180 Malatya, Turkey
| | - J R Komorowski
- Scientific and Regulatory Affairs, Nutrition 21 Inc, 1 Manhattanville Road, Purchase, NY 10577, USA
| | - K Sahin
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Firat University, University, 23119 Elazig, Turkey
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23
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Isolation of state-dependent monoclonal antibodies against the 12-transmembrane domain glucose transporter 4 using virus-like particles. Proc Natl Acad Sci U S A 2018; 115:E4990-E4999. [PMID: 29769329 DOI: 10.1073/pnas.1716788115] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The insulin-responsive 12-transmembrane transporter GLUT4 changes conformation between an inward-open state and an outward-open state to actively facilitate cellular glucose uptake. Because of the difficulties of generating conformational mAbs against complex and highly conserved membrane proteins, no reliable tools exist to measure GLUT4 at the cell surface, follow its trafficking, or detect the conformational state of the protein. Here we report the isolation and characterization of conformational mAbs that recognize the extracellular and intracellular domains of GLUT4, including mAbs that are specific for the inward-open and outward-open states of GLUT4. mAbs against GLUT4 were generated using virus-like particles to present this complex membrane protein in its native conformation and using a divergent host species (chicken) for immunization to overcome immune tolerance. As a result, the isolated mAbs recognize conformational epitopes on native GLUT4 in cells, with apparent affinities as high as 1 pM and with specificity for GLUT4 across the human membrane proteome. Epitope mapping using shotgun mutagenesis alanine scanning across the 509 amino acids of GLUT4 identified the binding epitopes for mAbs specific for the states of GLUT4 and allowed the comprehensive identification of the residues that functionally control the GLUT4 inward-open and outward-open states. The mAbs identified here will be valuable molecular tools for monitoring GLUT4 structure, function, and trafficking, for differentiating GLUT4 conformational states, and for the development of novel therapeutics for the treatment of diabetes.
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24
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Chen CY, Huang YF, Ko YJ, Liu YJ, Chen YH, Walzem RL, Chen SE. Obesity-associated cardiac pathogenesis in broiler breeder hens: Development of metabolic cardiomyopathy. Poult Sci 2018; 96:2438-2446. [PMID: 28339731 DOI: 10.3382/ps/pex016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 01/08/2017] [Indexed: 01/15/2023] Open
Abstract
Feed intake is typically restricted (R) in broiler hens to avoid obesity and improve egg production and livability. To determine whether improved heart health contributes to improved livability, fully adult 45-week-old R hens were allowed to consume feed to appetite (ad libitum; AL) up to 10 wk (70 d). Mortality, contractile functions, and morphology at 70 d, and measurements of cardiac hypertrophic remodeling at 7 d and 21 d were made and compared between R and AL hens. Outcomes for cardiac electrophysiology and mortality, reported separately, found increased mortality in AL hens in association with cardiac pathological hypertrophy and contractile dysfunction. The present study aimed to delineate metabolic cardiomyopathies underlying the etiology of obesity-associated cardiac pathology. Metabolic measurements were made in hens continued on R rations or assigned to AL feeding after 7 d and 21 days. AL feeding increased plasma insulin, glucose, and non-esterified fatty acid (NEFA) concentrations by 21 d (P < 0.05). Metabolic cardiomyopathy in AL-hens was confirmed by cardiac triacylglycerol (TG) and ceramide accumulation consistent with up-regulation of related enzyme gene expressions, and by increased indices of oxidation stress (P < 0.05). In contrast to R hens, cardiac pyruvate dehydrogenase (PDH) activity and glucose transporter (GLUT) gene expressions increased progressively while carnitine palmitoyltransferase-1 (CPT-1) transcript levels in AL hens declined from 7 d to 21 d (P < 0.05), reflecting a shift from an oxidative to a more glycolytic metabolism, a typical metabolic derangement associated with cardiac hypertrophic remodeling. Cardiac pathogenesis in AL hens was further indicated by increased leukocyte infiltrates, interleukin-1β (IL-1β) and IL-6 production, cellular apoptosis, interstitial fibrosis, and expression of the heart failure marker myosin heavy chain (MHC-β; cardiac muscle beta) (P < 0.05). Results support the conclusion that diabetic conditions, cardiac inflammation and lipotoxic metabolic derangements act as pathological cues to trigger pathogenic changes along cardiac hypertrophy in AL hens.
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Affiliation(s)
- C Y Chen
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Y F Huang
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Y J Ko
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Y J Liu
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - Y H Chen
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
| | - R L Walzem
- Department of Poultry Science, Texas A&M University, College Station
| | - S E Chen
- Department of Animal Science, National Chung Hsing University, Taichung, Taiwan.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan.,Center for the Integrative and Evolutionary Galliformes Genomics, iEGG Center, National Chung Hsing University, Taiwan
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25
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Bihan-Duval EL, Hennequet-Antier C, Berri C, Beauclercq SA, Bourin MC, Boulay M, Demeure O, Boitard S. Identification of genomic regions and candidate genes for chicken meat ultimate pH by combined detection of selection signatures and QTL. BMC Genomics 2018; 19:294. [PMID: 29695245 PMCID: PMC5918591 DOI: 10.1186/s12864-018-4690-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 04/17/2018] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The understanding of the biological determinism of meat ultimate pH, which is strongly related to muscle glycogen content, is a key point for the control of muscle integrity and meat quality in poultry. In the present study, we took advantage of a unique model of two broiler lines divergently selected for the ultimate pH of the pectoralis major muscle (PM-pHu) in order to decipher the genetic control of this trait. Two complementary approaches were used: detection of selection signatures generated during the first five generations and genome-wide association study for PM-pHu and Sartorius muscle pHu (SART-pHu) at the sixth generation of selection. RESULTS Sixty-three genomic regions showed significant signatures of positive selection. Out of the 10 most significant regions (detected by HapFLK or FLK method with a p-value below 1e-6), 4 were detected as soon as the first generation (G1) and were recovered at each of the four following ones (G2-G5). Another four corresponded to a later onset of selection as they were detected only at G5. In total, 33 SNPs, located in 24 QTL regions, were significantly associated with PM-pHu. For SART-pHu, we detected 18 SNPs located in 10 different regions. These results confirmed a polygenic determinism for these traits and highlighted two major QTL: one for PM-pHu on GGA1 (with a Bayes Factor (BF) of 300) and one for SART-pHu on GGA4 (with a BF of 257). Although selection signatures were enriched in QTL for PM-pHu, several QTL with strong effect haven't yet responded to selection, suggesting that the divergence between lines might be further increased. CONCLUSIONS A few regions of major interest with significant selection signatures and/or strong association with PM-pHu or SART-pHu were evidenced for the first time in chicken. Their gene content suggests several candidates associated with diseases of glycogen storage in humans. The impact of these candidate genes on meat quality and muscle integrity should be further investigated in chicken.
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Affiliation(s)
| | | | - Cécile Berri
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
| | | | - Marie Christine Bourin
- Institut Technique de l'Aviculture (ITAVI), Centre INRA Val de Loire, F-37380, Nouzilly, France
| | - Maryse Boulay
- Syndicat des Sélectionneurs Avicoles et Aquacoles Français (SYSAAF), Centre INRA Val de Loire, Unité de Recherches Avicoles, F-37380, Nouzilly, France
| | - Olivier Demeure
- PEGASE, Agrocampus Ouest, INRA, 35590,, Saint-Gilles, France.,Groupe Grimaud, La Corbière, 49450, Roussay, France
| | - Simon Boitard
- GenPhySE, Université de Toulouse, INRA, ENVT, 31320, Castanet Tolosan, France
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26
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Mello CV, Lovell PV. Avian genomics lends insights into endocrine function in birds. Gen Comp Endocrinol 2018; 256:123-129. [PMID: 28596079 PMCID: PMC5749246 DOI: 10.1016/j.ygcen.2017.05.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 05/23/2017] [Accepted: 05/30/2017] [Indexed: 01/12/2023]
Abstract
The genomics era has brought along the completed sequencing of a large number of bird genomes that cover a broad range of the avian phylogenetic tree (>30 orders), leading to major novel insights into avian biology and evolution. Among recent findings, the discovery that birds lack a large number of protein coding genes that are organized in highly conserved syntenic clusters in other vertebrates is very intriguing, given the physiological importance of many of these genes. A considerable number of them play prominent endocrine roles, suggesting that birds evolved compensatory genetic or physiological mechanisms that allowed them to survive and thrive in spite of these losses. While further studies are needed to establish the exact extent of avian gene losses, these findings point to birds as potentially highly relevant model organisms for exploring the genetic basis and possible therapeutic approaches for a wide range of endocrine functions and disorders.
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Affiliation(s)
- C V Mello
- Dept. Behavioral Neuroscience, Oregon Health & Science University, L470, 3181 SW Sam Jackson Park Rd., Portland, OR 97239, United States.
| | - P V Lovell
- Dept. Behavioral Neuroscience, Oregon Health & Science University, L470, 3181 SW Sam Jackson Park Rd., Portland, OR 97239, United States.
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27
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Alpha-lipoic acid impairs body weight gain of young broiler chicks via modulating peripheral AMPK. Comp Biochem Physiol A Mol Integr Physiol 2017; 211:34-40. [DOI: 10.1016/j.cbpa.2017.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 06/01/2017] [Accepted: 06/05/2017] [Indexed: 11/20/2022]
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28
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Avian and Mammalian Facilitative Glucose Transporters. MICROARRAYS 2017; 6:microarrays6020007. [PMID: 28379195 PMCID: PMC5487954 DOI: 10.3390/microarrays6020007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/15/2017] [Accepted: 03/15/2017] [Indexed: 12/17/2022]
Abstract
The GLUT members belong to a family of glucose transporter proteins that facilitate glucose transport across the cell membrane. The mammalian GLUT family consists of thirteen members (GLUTs 1-12 and H⁺-myo-inositol transporter (HMIT)). Humans have a recently duplicated GLUT member, GLUT14. Avians express the majority of GLUT members. The arrangement of multiple GLUTs across all somatic tissues signifies the important role of glucose across all organisms. Defects in glucose transport have been linked to metabolic disorders, insulin resistance and diabetes. Despite the essential importance of these transporters, our knowledge regarding GLUT members in avians is fragmented. It is clear that there are no chicken orthologs of mammalian GLUT4 and GLUT7. Our examination of GLUT members in the chicken revealed that some chicken GLUT members do not have corresponding orthologs in mammals. We review the information regarding GLUT orthologs and their function and expression in mammals and birds, with emphasis on chickens and humans.
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29
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Annabelle T, Karine R, Marie-Dominique B, Stéphane D, Karine G. Kinetics of expression of genes involved in glucose metabolism after the last meal in overfed mule ducks. Mol Cell Biochem 2017; 430:127-137. [DOI: 10.1007/s11010-017-2960-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 01/28/2017] [Indexed: 01/14/2023]
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30
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Franssens L, Lesuisse J, Wang Y, Willems E, Willemsen H, Koppenol A, Guo X, Buyse J, Decuypere E, Everaert N. The effect of insulin on plasma glucose concentrations, expression of hepatic glucose transporters and key gluconeogenic enzymes during the perinatal period in broiler chickens. Gen Comp Endocrinol 2016; 232:67-75. [PMID: 26723190 DOI: 10.1016/j.ygcen.2015.12.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 12/18/2015] [Accepted: 12/22/2015] [Indexed: 12/27/2022]
Abstract
Chickens have blood glucose concentrations that are twofold higher than those observed in mammals. Moreover, the insulin sensitivity seems to decrease with postnatal age in both broiler and layer chickens. However, little is known about the response of insulin on plasma glucose concentrations and mRNA abundance of hepatic glucose transporters 1, 2, 3, 8, 9 and 12 (GLUT1, 2, 3, 8, 9 and 12) and three regulatory enzymes of the gluconeogenesis, phosphoenolpyruvate carboxykinase 1 and 2 (PCK1 and 2) or fructose-1,6-biphosphatase 1 (FBP1) in chicks during the perinatal period. In the present study, broiler embryos on embryonic day (ED)16, ED18 or newly-hatched broiler chicks were injected intravenously with bovine insulin (1μg/g body weight (BW)) to examine plasma glucose response and changes in hepatic mRNA abundance of the GLUTs, PCK1 and 2 and FBP1. Results were compared with a non-treated control group and a saline-injected sham group. Plasma glucose levels of insulin-treated ED18 embryos recovered faster from their minimum level than those of insulin-treated ED16 embryos or newly-hatched chicks. In addition, at the minimum plasma glucose level seven hours post-injection (PI), hepatic GLUT2, FBP1 and PCK2 mRNA abundance was decreased in insulin-injected embryos, compared to sham and control groups, being most pronounced when insulin injection occurred on ED16.
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Affiliation(s)
- Lies Franssens
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Jens Lesuisse
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Yufeng Wang
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Els Willems
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Hilke Willemsen
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Astrid Koppenol
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium; ILVO Animal Sciences Unit, Scheldeweg 68, 9090 Melle, Belgium
| | - Xiaoquan Guo
- College of Animal Science and Technology, Jiangxi Agricultural University, 330045 Jiangxi, China
| | - Johan Buyse
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium.
| | - Eddy Decuypere
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium
| | - Nadia Everaert
- KU Leuven, Department of Biosystems, Laboratory of Livestock Physiology, Kasteelpark Arenberg 30, Box 2456, 3001 Leuven, Belgium; University of Liège, Gembloux Agro-Bio Tech, Animal Science Unit, Passage des Déportés 2, 5030 Gembloux, Belgium
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31
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Kong BW, Lassiter K, Piekarski-Welsher A, Dridi S, Reverter-Gomez A, Hudson NJ, Bottje WG. Proteomics of Breast Muscle Tissue Associated with the Phenotypic Expression of Feed Efficiency within a Pedigree Male Broiler Line: I. Highlight on Mitochondria. PLoS One 2016; 11:e0155679. [PMID: 27244447 PMCID: PMC4887024 DOI: 10.1371/journal.pone.0155679] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 05/03/2016] [Indexed: 02/07/2023] Open
Abstract
As feed represents 60 to 70% of the cost of raising an animal to market weight, feed efficiency (the amount of dry weight intake to amount of wet weight gain) remains an important genetic trait in animal agriculture. To gain greater understanding of cellular mechanisms of feed efficiency (FE), shotgun proteomics was conducted using in-gel trypsin digestion and tandem mass spectrometry on breast muscle samples obtained from pedigree male (PedM) broilers exhibiting high feed efficiency (FE) or low FE phenotypes (n = 4 per group). The high FE group had greater body weight gain (P = 0.004) but consumed the same amount of feed (P = 0.30) from 6 to 7 wk resulting in higher FE (P < 0.001). Over 1800 proteins were identified, of which 152 were different (P < 0.05) by at least 1.3 fold and ≤ 15 fold between the high and low FE phenotypes. Data were analyzed for a modified differential expression (DE) metric (Phenotypic Impact Factors or PIF) and interpretation of protein expression data facilitated using the Ingenuity Pathway Analysis (IPA) program. In the entire data set, 228 mitochondrial proteins were identified whose collective expression indicates a higher mitochondrial expression in the high FE phenotype (binomial probability P < 0.00001). Within the top up and down 5% PIF molecules in the dataset, there were 15 mitoproteome proteins up-regulated and only 5 down-regulated in the high FE phenotype. Pathway enrichment analysis also identified mitochondrial dysfunction and oxidative phosphorylation as the number 1 and 5 differentially expressed canonical pathways (up-regulated in high FE) in the proteomic dataset. Upstream analysis (based on DE of downstream molecules) predicted that insulin receptor, insulin like growth receptor 1, nuclear factor, erythroid 2-like 2, AMP activated protein kinase (α subunit), progesterone and triiodothyronine would be activated in the high FE phenotype whereas rapamycin independent companion of target of rapamycin, mitogen activated protein kinase 4, and serum response factor would be inhibited in the high FE phenotype. The results provide additional insight into the fundamental molecular landscape of feed efficiency in breast muscle of broilers as well as further support for a role of mitochondria in the phenotypic expression of FE. Funding provided by USDA-NIFA (#2013–01953), Arkansas Biosciences Institute (Little Rock, AR), McMaster Fellowship (AUS to WB) and the Agricultural Experiment Station (Univ. of Arkansas, Fayetteville).
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Affiliation(s)
- Byung-Whi Kong
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville AR 72701, United States of America
| | - Kentu Lassiter
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville AR 72701, United States of America
| | - Alissa Piekarski-Welsher
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville AR 72701, United States of America
| | - Sami Dridi
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville AR 72701, United States of America
| | - Antonio Reverter-Gomez
- CSIRO Livestock Industries, Queensland Bioscience Precinct, 306 Carmody Road, St. Lucia, QLD 4067, Australia
| | - Nicholas James Hudson
- CSIRO Livestock Industries, Queensland Bioscience Precinct, 306 Carmody Road, St. Lucia, QLD 4067, Australia
| | - Walter Gay Bottje
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville AR 72701, United States of America
- * E-mail:
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32
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Shimamoto S, Ijiri D, Kawaguchi M, Nakashima K, Ohtsuka A. Gene expression pattern of glucose transporters in the skeletal muscles of newly hatched chicks. Biosci Biotechnol Biochem 2016; 80:1382-5. [PMID: 27008100 DOI: 10.1080/09168451.2016.1162088] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The gene expression pattern of the glucose transporters (GLUT1, GLUT3, GLUT8, and GLUT12) among pectoralis major and minor, biceps femoris, and sartorius muscles from newly hatched chicks was examined. GLUT1 mRNA level was higher in pectoralis major muscle than in the other muscles. Phosphorylated AKT level was also high in the same muscle, suggesting a relationship between AKT and GLUT1 expression.
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Affiliation(s)
- Saki Shimamoto
- a Department of Biochemical Science and Technology , Kagoshima University , Kagoshima , Japan
| | - Daichi Ijiri
- a Department of Biochemical Science and Technology , Kagoshima University , Kagoshima , Japan
| | - Mana Kawaguchi
- a Department of Biochemical Science and Technology , Kagoshima University , Kagoshima , Japan
| | - Kazuki Nakashima
- b Animal Physiology and Nutrition Division , NARO Institute of Livestock and Grassland Science , Tsukuba , Japan
| | - Akira Ohtsuka
- a Department of Biochemical Science and Technology , Kagoshima University , Kagoshima , Japan
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33
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Deck CA, LeMoine CMR, Walsh PJ. Phylogenetic analysis and tissue distribution of elasmobranch glucose transporters and their response to feeding. Biol Open 2016; 5:256-61. [PMID: 26873951 PMCID: PMC4810751 DOI: 10.1242/bio.016709] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Elasmobranch diets consist of high quantities of protein and lipids, but very low levels of carbohydrates including glucose. Reflecting this diet, most tissues use lipids and ketone bodies as their main metabolic fuel. However, the rectal gland has been shown to be dependent on glucose as a fuel, so we hypothesized that glucose transporters (GLUTs) would be present and upregulated in the gland during times of activation (e.g. following a meal). In this study, we searched for and identified putative class I GLUTs in three elasmobranchs and a holocephalan using transcriptomes, and used these to reconstruct a Bayesian phylogeny. We determined that each of the four species possessed three of the four class I GLUT sequences, but the identities of the isoforms present in each species differed between the elasmobranchs (GLUT1, 3 and 4) and the holocephalan (GLUT1, 2 and 3). We then used qPCR to measure mRNA levels of these GLUTs in the rectal gland, liver, intestine, and muscle of fed and starved spiny dogfish (Squalus suckleyi). The rectal gland data showed higher mRNA levels of GLUT4 in the starved relative to the fed fish. In the muscle, both GLUT1 and 4 were significantly elevated at 24 h post-feeding, as was the case for GLUT4 in the liver. In the intestine on the other hand, GLUT4 was significantly elevated by 6 h post-feeding, remaining elevated through 48 h. We suggest that GLUT4 has taken on the role of GLUT2 in elasmobranchs as the expression patterns observed in the liver and intestine are representative of GLUT2 in other vertebrates.
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Affiliation(s)
- Courtney A Deck
- Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada Bamfield Marine Sciences Centre, Bamfield, British Columbia V0R 1B0, Canada
| | - Christophe M R LeMoine
- Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada Department of Biology, Brandon University, Brandon, Manitoba R7A 6A9, Canada
| | - Patrick J Walsh
- Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada Bamfield Marine Sciences Centre, Bamfield, British Columbia V0R 1B0, Canada
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Phylogenesis and Biological Characterization of a New Glucose Transporter in the Chicken (Gallus gallus), GLUT12. PLoS One 2015; 10:e0139517. [PMID: 26431526 PMCID: PMC4592010 DOI: 10.1371/journal.pone.0139517] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 09/13/2015] [Indexed: 01/14/2023] Open
Abstract
In mammals, insulin-sensitive GLUTs, including GLUT4, are recruited to the plasma membrane of adipose and muscle tissues in response to insulin. The GLUT4 gene is absent from the chicken genome, and no functional insulin-sensitive GLUTs have been characterized in chicken tissues to date. A nucleotide sequence is predicted to encode a chicken GLUT12 ortholog and, interestingly, GLUT12 has been described to act as an insulin-sensitive GLUT in mammals. It encodes a 596 amino acid protein exhibiting 71% identity with human GLUT12. First, we present the results of a phylogenetic study showing the stability of this gene during evolution of vertebrates. Second, tissue distribution of chicken SLC2A12 mRNA was characterized by RT-PCR. It was predominantly expressed in skeletal muscle and heart. Protein distribution was analysed by Western blotting using an anti-human GLUT12 antibody directed against a highly conserved region (87% of identity). An immuno-reactive band of the expected size (75kDa) was detected in the same tissues. Third a physiological characterization was performed: SLC2A12 mRNA levels were significantly lowered in fed chickens subjected to insulin immuno-neutralization. Finally, recruitment of immuno-reactive GLUT12 to the muscle plasma membrane was increased following 1h of intraperitoneal insulin administration (compared to a control fasted state). Thus insulin administration elicited membrane GLUT12 recruitment. In conclusion, these results suggest that the facilitative glucose transporter protein GLUT12 could act in chicken muscle as an insulin-sensitive transporter that is qualitatively similar to GLUT4 in mammals.
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Temporary prenatal hyperglycemia leads to postnatal neuronal ‘glucose-resistance’ in the chicken hypothalamus. Brain Res 2015; 1618:231-40. [DOI: 10.1016/j.brainres.2015.05.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 04/20/2015] [Accepted: 05/28/2015] [Indexed: 11/22/2022]
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Acquired alterations of hypothalamic gene expression of insulin and leptin receptors and glucose transporters in prenatally high-glucose exposed three-week old chickens do not coincide with aberrant promoter DNA methylation. PLoS One 2015; 10:e0119213. [PMID: 25811618 PMCID: PMC4374847 DOI: 10.1371/journal.pone.0119213] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 01/20/2015] [Indexed: 12/03/2022] Open
Abstract
Background Prenatal exposures may have a distinct impact for long-term health, one example being exposure to maternal ‘diabesity’ during pregnancy increasing offspring ‘diabesity’ risk. Malprogramming of the central nervous regulation of body weight, food intake and metabolism has been identified as a critical mechanism. While concrete disrupting factors still remain unclear, growing focus on acquired epigenomic alterations have been proposed. Due to the independent development from the mother, the chicken embryo provides a valuable model to distinctively establish causal factors and mechanisms. Aim The aim of this study was to determine the effects of prenatal hyperglycemia on postnatal hypothalamic gene expression and promoter DNA methylation in the chicken. Methods and Findings To temporarily induce high-glucose exposure in chicken embryos, 0.5 ml glucose solution (30 mmol/l) were administered daily via catheter into a vessel of the chorioallantoic egg membrane from days 14 to 17 of incubation. At three weeks of postnatal age, body weight, total body fat, blood glucose, mRNA expression (INSR, LEPR, GLUT1, GLUT3) as well as corresponding promoter DNA methylation were determined in mediobasal hypothalamic brain slices (Nucleus infundibuli hypothalami). Although no significant changes in morphometric and metabolic parameters were detected, strongly decreased mRNA expression occurred in all candidate genes. Surprisingly, however, no relevant alterations were observed in respective promoter methylation. Conclusion Prenatal hyperglycemia induces strong changes in later hypothalamic expression of INSR, LEPR, GLUT1, and GLUT3 mRNA. While the chicken provides an interesting approach for developmental malprogramming, the classical expression regulation via promoter methylation was not observed here. This may be due to alternative/interacting brain mechanisms or the thus far under-explored bird epigenome.
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Kop-Bozbay C, Ocak N. Body weight, meat quality and blood metabolite responses to carbohydrate administration in the drinking water during pre-slaughter feed withdrawal in broilers. J Anim Physiol Anim Nutr (Berl) 2014; 99:290-8. [DOI: 10.1111/jpn.12194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 03/27/2014] [Indexed: 11/28/2022]
Affiliation(s)
- C. Kop-Bozbay
- Department of Animal Science; Faculty of Agriculture; University of Ondokuz Mayis; Samsun Turkey
| | - N. Ocak
- Department of Animal Science; Faculty of Agriculture; University of Ondokuz Mayis; Samsun Turkey
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Willems E, Hu TT, Soler Vasco L, Buyse J, Decuypere E, Arckens L, Everaert N. Embryonic protein undernutrition by albumen removal programs the hepatic amino acid and glucose metabolism during the perinatal period in an avian model. PLoS One 2014; 9:e94902. [PMID: 24740266 PMCID: PMC3989345 DOI: 10.1371/journal.pone.0094902] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 03/21/2014] [Indexed: 11/29/2022] Open
Abstract
Different animal models have been used to study the effects of prenatal protein undernutrition and the mechanisms by which these occur. In mammals, the maternal diet is manipulated, exerting both direct nutritional and indirect hormonal effects. Chicken embryos develop independent from the hen in the egg. Therefore, in the chicken, the direct effects of protein deficiency by albumen removal early during incubation can be examined. Prenatal protein undernutrition was established in layer-type eggs by the partial replacement of albumen by saline at embryonic day 1 (albumen-deprived group), compared to a mock-treated sham and a non-treated control group. At hatch, survival of the albumen-deprived group was lower compared to the control and sham group due to increased early mortality by the manipulation. No treatment differences in yolk-free body weight or yolk weight could be detected. The water content of the yolk was reduced, whereas the water content of the carcass was increased in the albumen-deprived group, compared to the control group, indicating less uptake of nutrients from the yolk. At embryonic day 16, 20 and at hatch, plasma triiodothyronine (T3), corticosterone, lactate or glucose concentrations and hepatic glycogen content were not affected by treatment. At embryonic day 20, the plasma thyroxine (T4) concentrations of the albumen-deprived embryos was reduced compared to the control group, indicating a decreased metabolic rate. Screening for differential protein expression in the liver at hatch using two-dimensional difference gel electrophoresis revealed not only changed abundance of proteins important for amino acid metabolism, but also of enzymes related to energy and glucose metabolism. Interestingly, GLUT1, a glucose transporter, and PCK2 and FBP1, two out of three regulatory enzymes of the gluconeogenesis were dysregulated. No parallel differences in gene expressions causing the differences in protein abundance could be detected pointing to post-transcriptional or post-translational regulation of the observed differences.
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Affiliation(s)
- Els Willems
- Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Leuven, Belgium
| | - Tjing-Tjing Hu
- Laboratory of Neuroplasticity and Neuroproteomics, KU Leuven, Leuven, Belgium
| | - Laura Soler Vasco
- Division of Livestock-Nutrition-Quality, Department of Biosystems, KU Leuven, Leuven, Belgium
| | - Johan Buyse
- Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Leuven, Belgium
- * E-mail:
| | - Eddy Decuypere
- Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Leuven, Belgium
| | - Lutgarde Arckens
- Laboratory of Neuroplasticity and Neuroproteomics, KU Leuven, Leuven, Belgium
| | - Nadia Everaert
- Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Leuven, Belgium
- Animal Science Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
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Sumners LH, Zhang W, Zhao X, Honaker CF, Zhang S, Cline MA, Siegel PB, Gilbert ER. Chickens from lines artificially selected for juvenile low and high body weight differ in glucose homeostasis and pancreas physiology. Comp Biochem Physiol A Mol Integr Physiol 2014; 172:57-65. [PMID: 24614025 DOI: 10.1016/j.cbpa.2014.02.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/11/2014] [Accepted: 02/26/2014] [Indexed: 11/18/2022]
Abstract
Artificial selection of White Plymouth Rock chickens for juvenile (day 56) body weight resulted in two divergent genetic lines: hypophagic low weight (LWS) chickens and hyperphagic obese high weight (HWS) chickens, with the latter more than 10-fold heavier than the former at selection age. A study was designed to investigate glucose regulation and pancreas physiology at selection age in LWS chickens and HWS chickens. Oral glucose tolerance and insulin sensitivity tests revealed differences in threshold sensitivity to insulin and glucose clearance rate between the lines. Results from real-time PCR showed greater pancreatic mRNA expression of four glucose regulatory genes (preproinsulin, PPI; preproglucagon, PPG; glucose transporter 2, GLUT2; and pancreatic duodenal homeobox 1, Pdx1) in LWS chickens, than HWS chickens. Histological analysis of the pancreas revealed that HWS chickens have larger pancreatic islets, less pancreatic islet mass, and more pancreatic inflammation than LWS chickens, all of which presumably contribute to impaired glucose metabolism.
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Affiliation(s)
- L H Sumners
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - W Zhang
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - X Zhao
- Sichuan Agricultural University, Sichuan, China.
| | - C F Honaker
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - S Zhang
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - M A Cline
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - P B Siegel
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - E R Gilbert
- Dept. of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
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Liu W, Zhao J. Insights into the molecular mechanism of glucose metabolism regulation under stress in chicken skeletal muscle tissues. Saudi J Biol Sci 2014; 21:197-203. [PMID: 24955006 DOI: 10.1016/j.sjbs.2014.01.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 01/23/2014] [Accepted: 01/26/2014] [Indexed: 12/28/2022] Open
Abstract
As substantial progress has been achieved in modern poultry production with large-scale and intensive feeding and farming in recent years, stress becomes a vital factor affecting chicken growth, development, and production yield, especially the quality and quantity of skeletal muscle mass. The review was aimed to outline and understand the stress-related genetic regulatory mechanism, which significantly affects glucose metabolism regulation in chicken skeletal muscle tissues. Progress in current studies was summarized relevant to the molecular mechanism and regulatory pathways of glucose metabolism regulation under stress in chicken skeletal muscle tissues. Particularly, the elucidation of those concerned pathways promoted by insulin and insulin receptors would give key clues to the understanding of biological processes of stress response and glucose metabolism regulation under stress, as well as their later effects on chicken muscle development.
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Affiliation(s)
- Wuyi Liu
- Department of Biology Sciences, Fuyang Normal College, China ; Department of Science and Technology Research, Fuyang Normal College, China
| | - Jingpeng Zhao
- Department of Animal Sciences, Shandong Agricultural University, China
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Expression of Potential Regulatory Genes in Abdominal Adipose Tissue of Broiler Chickens during Early Development. GENETICS RESEARCH INTERNATIONAL 2014; 2014:318304. [PMID: 24551454 PMCID: PMC3914478 DOI: 10.1155/2014/318304] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 11/07/2013] [Indexed: 11/30/2022]
Abstract
The identities of genes that underlie population variation in adipose tissue development in farm animals are poorly understood. Previous studies in our laboratory have suggested that increased fat tissue involves the expression modulation of an array of genes in broiler chickens. Of special interest are eight genes, FGFR3, EPHB2, IGFBP2, GREM1, TNC, COL3A1, ACBD7, and SCD. To understand their expression regulation and response to dietary manipulation, we investigated their mRNA levels after dietary manipulation during early development. Chickens were fed either a recommended standard or a high caloric diet from hatch to eight weeks of age (WOA). The high caloric diet markedly affected bodyweight of the broiler birds. mRNA levels of the eight genes in the abdominal adipose tissue were assayed at 2, 4, 6, and 8 WOA using RT-qPCR. Results indicate that (1) FGFR3 mRNA level was affected significantly by diet, age, and diet:age interaction; (2) COL3A mRNA level was repressed by high caloric diet; (3) mRNA levels of EPHB2, ACBD7, and SCD were affected by age; (4) mRNA level of TNC was modulated by age:diet interaction; (5) changes in GREM1 and IGFBP2 mRNA levels were not statistically different.
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Christensen K, McMurtry JP, Thaxton YV, Thaxton JP, Corzo A, McDaniel C, Scanes CG. Metabolic and hormonal responses of growing modern meat-type chickens to fasting. Br Poult Sci 2013; 54:199-205. [PMID: 23647183 DOI: 10.1080/00071668.2013.772953] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
1. The present study compared the effects of fasting on circulating concentrations of glucose, insulin and glucagon in male and female modern meat-type chickens (Ross 708) at three ages (19 d, 33 d and 47 d). 2. Plasma concentrations of glucose were reduced by fasting with reductions of 24.9% (19-d-old), 22.6% (33-d-old) and 17.9% (47-d-old) in broiler chickens fasted for 12 h. 3. Plasma concentrations of insulin decreased with fasting. For instance, circulating concentrations of insulin declined after 6 h of fasting by 45.7%, 54.7% and 50.0%, respectively, in 19-d-old, 33-d-old and 47-d-old broiler chickens. 4. Plasma concentrations of glucagon were increased by fasting. Plasma concentrations of glucagon were elevated by 3.79% (19-d-old), 3.51% (33-d-old) and 3.79% (47-d-old) with 6 h of fasting and remained elevated with 12 h, 18 h and 24 h of fasting.
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Zhang W, Sumners LH, Siegel PB, Cline MA, Gilbert ER. Quantity of glucose transporter and appetite-associated factor mRNA in various tissues after insulin injection in chickens selected for low or high body weight. Physiol Genomics 2013; 45:1084-94. [DOI: 10.1152/physiolgenomics.00102.2013] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Chickens from lines selected for low (LWS) or high (HWS) body weight differ by 10-fold in body weight at 56 days old with differences in food intake, glucose regulation, and body composition. To evaluate if there are differences in appetite-regulatory factor and glucose transporter ( GLUT) mRNA that are accentuated by hypoglycemia, blood glucose was measured, and hypothalamus, liver, pectoralis major, and abdominal fat collected at 90 days of age from female HWS and LWS chickens, and reciprocal crosses, HL and LH, at 60 min after intraperitoneal injection of insulin. Neuropeptide Y ( NPY) and receptor ( NPYR) subtypes 1 and 5 mRNA were greater in LWS compared with HWS hypothalamus ( P < 0.05), but greater in HWS than LWS in fat ( P < 0.05). Expression of NPYR2 was greater in LWS than HWS in pectoralis major ( P < 0.05). There was greater expression in HWS than LWS for GLUT1 in hypothalamus and liver ( P < 0.05), GLUT2 in fat and liver ( P < 0.05), and GLUT9 in liver ( P < 0.05). Insulin was associated with reduced blood glucose in all populations ( P < 0.05) and reduced mRNA of insulin receptor ( IR) and GLUT 2 and 3 in liver ( P < 0.05). There was heterosis for mRNA, most notably NPYR1 (−78%) and NPYR5 (−81%) in fat and GLUT2 (−70%) in liver. Results suggest that NPY and GLUTs are associated with differences in energy homeostasis in LWS and HWS. Reduced GLUT and IR mRNA after insulin injection suggest a compensatory mechanism to prevent further hypoglycemia.
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Affiliation(s)
- Wei Zhang
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, Virginia
| | - Lindsay H. Sumners
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, Virginia
| | - Paul B. Siegel
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, Virginia
| | - Mark A. Cline
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, Virginia
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Welch KC, Allalou A, Sehgal P, Cheng J, Ashok A. Glucose transporter expression in an avian nectarivore: the ruby-throated hummingbird (Archilochus colubris). PLoS One 2013; 8:e77003. [PMID: 24155916 PMCID: PMC3796544 DOI: 10.1371/journal.pone.0077003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Accepted: 08/26/2013] [Indexed: 01/22/2023] Open
Abstract
Glucose transporter (GLUT) proteins play a key role in the transport of monosaccharides across cellular membranes, and thus, blood sugar regulation and tissue metabolism. Patterns of GLUT expression, including the insulin-responsive GLUT4, have been well characterized in mammals. However, relatively little is known about patterns of GLUT expression in birds with existing data limited to the granivorous or herbivorous chicken, duck and sparrow. The smallest avian taxa, hummingbirds, exhibit some of the highest fasted and fed blood glucose levels and display an unusual ability to switch rapidly and completely between endogenous fat and exogenous sugar to fuel energetically expensive hovering flight. Despite this, nothing is known about the GLUT transporters that enable observed rapid rates of carbohydrate flux. We examined GLUT (GLUT1, 2, 3, & 4) expression in pectoralis, leg muscle, heart, liver, kidney, intestine and brain from both zebra finches (Taeniopygia guttata) and ruby-throated hummingbirds (Archilochus colubris). mRNA expression of all four transporters was probed using reverse-transcription PCR (RT-PCR). In addition, GLUT1 and 4 protein expression were assayed by western blot and immunostaining. Patterns of RNA and protein expression of GLUT1-3 in both species agree closely with published reports from other birds and mammals. As in other birds, and unlike in mammals, we did not detect GLUT4. A lack of GLUT4 correlates with hyperglycemia and an uncoupling of exercise intensity and relative oxidation of carbohydrates in hummingbirds. The function of GLUTs present in hummingbird muscle tissue (e.g. GLUT1 and 3) remain undescribed. Thus, further work is necessary to determine if high capillary density, and thus surface area across which cellular-mediated transport of sugars into active tissues (e.g. muscle) occurs, rather than taxon-specific differences in GLUT density or kinetics, can account for observed rapid rates of sugar flux into these tissues.
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Affiliation(s)
- Kenneth C. Welch
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
- * E-mail:
| | - Amina Allalou
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
| | - Prateek Sehgal
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
| | - Jason Cheng
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
| | - Aarthi Ashok
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario, Canada
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Zhao JP, Bao J, Wang XJ, Jiao HC, Song ZG, Lin H. Altered gene and protein expression of glucose transporter1 underlies dexamethasone inhibition of insulin-stimulated glucose uptake in chicken muscles. J Anim Sci 2012; 90:4337-45. [PMID: 22859751 DOI: 10.2527/jas.2012-5100] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A study was performed to characterize the effects of dexamethasone (DEX) and insulin administration on gene expression of glucose transporters (GLUT) in chicken (Gallus gallus domesticus) skeletal muscles and in cultured embryonic myoblasts. Three groups of 1-wk-old male chickens were randomly subjected to one of the following treatments for 7 d: DEX (a subcutaneous injection of 1 mg/kg BW, twice daily at 0800 h and 2000 h), controls (injected with saline), and pair-fed controls (restricted to the same feed intake as for the DEX treatment). Expressions of GLUT-1, GLUT-3, GLUT-8, and 18S rRNA mRNA were determined by quantitative reverse transcription PCR in the pectoralis major (PM) and biceps femoris (BF) muscles. Using chicken embryonic myoblasts (CEM), the interaction between DEX (200 nM) and insulin (100 nM) administration was evaluated on GLUT gene and GLUT-1 protein expressions and 2-deoxy-D-[1, 2-(3)H]-glucose (2-DG) uptake. Myoblasts were incubated with serum-free medium for 3 h in the presence or absence of insulin (0, 0.02, 0.1, 0.5, and 2.5 μM). Although GLUT-1 is not considered an insulin-responsive GLUT in mammals, this study shows that insulin stimulated 2-DG uptake and GLUT-1 mRNA and protein expression in CEM (P < 0.0001), suggesting that both are regulated in chicken skeletal muscle. Dexamethasone inhibited insulin-stimulated glucose uptake in CEM (P < 0.0001), likely accounting for insulin resistance in skeletal muscles. The results of the present study indicate that the altered GLUT-1 gene and protein expression may contribute to the insulin resistance induced by DEX treatment in chicken muscles.
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Affiliation(s)
- J P Zhao
- Department of Animal Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
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Balmaceda-Aguilera C, Cortés-Campos C, Cifuentes M, Peruzzo B, Mack L, Tapia JC, Oyarce K, García MA, Nualart F. Glucose transporter 1 and monocarboxylate transporters 1, 2, and 4 localization within the glial cells of shark blood-brain-barriers. PLoS One 2012; 7:e32409. [PMID: 22389700 PMCID: PMC3289654 DOI: 10.1371/journal.pone.0032409] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Accepted: 01/29/2012] [Indexed: 12/22/2022] Open
Abstract
Although previous studies showed that glucose is used to support the metabolic activity of the cartilaginous fish brain, the distribution and expression levels of glucose transporter (GLUT) isoforms remained undetermined. Optic/ultrastructural immunohistochemistry approaches were used to determine the expression of GLUT1 in the glial blood-brain barrier (gBBB). GLUT1 was observed solely in glial cells; it was primarily located in end-feet processes of the gBBB. Western blot analysis showed a protein with a molecular mass of 50 kDa, and partial sequencing confirmed GLUT1 identity. Similar approaches were used to demonstrate increased GLUT1 polarization to both apical and basolateral membranes in choroid plexus epithelial cells. To explore monocarboxylate transporter (MCT) involvement in shark brain metabolism, the expression of MCTs was analyzed. MCT1, 2 and 4 were expressed in endothelial cells; however, only MCT1 and MCT4 were present in glial cells. In neurons, MCT2 was localized at the cell membrane whereas MCT1 was detected within mitochondria. Previous studies demonstrated that hypoxia modified GLUT and MCT expression in mammalian brain cells, which was mediated by the transcription factor, hypoxia inducible factor-1. Similarly, we observed that hypoxia modified MCT1 cellular distribution and MCT4 expression in shark telencephalic area and brain stem, confirming the role of these transporters in hypoxia adaptation. Finally, using three-dimensional ultrastructural microscopy, the interaction between glial end-feet and leaky blood vessels of shark brain was assessed in the present study. These data suggested that the brains of shark may take up glucose from blood using a different mechanism than that used by mammalian brains, which may induce astrocyte-neuron lactate shuttling and metabolic coupling as observed in mammalian brain. Our data suggested that the structural conditions and expression patterns of GLUT1, MCT1, MCT2 and MCT4 in shark brain may establish the molecular foundation of metabolic coupling between glia and neurons.
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Affiliation(s)
- Carolina Balmaceda-Aguilera
- Laboratory of Neurobiology and Stem Cells, Department of Cellular Biology, University of Concepcion, Concepción, Chile
| | - Christian Cortés-Campos
- Laboratory of Cellular Biology, Department of Cellular Biology, University of Concepcion, Concepción, Chile
| | - Manuel Cifuentes
- Department of Cellular Biology, Genetics and Physiology, Faculty of Sciences, Malaga University, Málaga, Spain
| | - Bruno Peruzzo
- Anatomy, Histology and Pathology Institute, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Lauren Mack
- Laboratory of Neurobiology and Stem Cells, Department of Cellular Biology, University of Concepcion, Concepción, Chile
| | - Juan Carlos Tapia
- Departments of Biochemistry and Molecular Biophysics and Neuroscience, Columbia University, New York, New York, United States of America
| | - Karina Oyarce
- Laboratory of Neurobiology and Stem Cells, Department of Cellular Biology, University of Concepcion, Concepción, Chile
| | - María Angeles García
- Laboratory of Cellular Biology, Department of Cellular Biology, University of Concepcion, Concepción, Chile
| | - Francisco Nualart
- Laboratory of Neurobiology and Stem Cells, Department of Cellular Biology, University of Concepcion, Concepción, Chile
- * E-mail:
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Dupont J, Tesseraud S, Simon J. Insulin signaling in chicken liver and muscle. Gen Comp Endocrinol 2009; 163:52-7. [PMID: 18996126 DOI: 10.1016/j.ygcen.2008.10.016] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2008] [Revised: 10/13/2008] [Accepted: 10/14/2008] [Indexed: 10/21/2022]
Abstract
This review addresses the control exerted by insulin through its receptor on the general metabolism and gene expression in chicken liver and muscle. Compared with mammals, chickens have similar concentrations of circulating insulin, but still maintain high plasma glucose levels. This may be a consequence of the low sensitivity of the chicken to exogenous insulin. In order to determine whether this low sensitivity is the result of differences in insulin receptor signaling between mammals and birds, insulin receptors have been characterized in several chicken tissues and two insulin receptor substrates (IRS-1 and Shc) have been described in liver and muscle. Compared with mammals current knowledge of insulin signaling in birds is incomplete. This is particularly evident when considering the number of isoforms of the components involved in the insulin cascade (IRSs, AKT, ERK and others) many of which may have not been characterized in the chicken. Despite these shortfalls in available data, it appears that insulin signaling in chicken liver is similar to that in mammals, but is unlike that in mammals in muscle. In leg muscle, chickens differ from mammals in the early steps of the insulin signaling cascade (IR, IRS-1 and PI3K) where PI3K activity is about 30-fold greater in the chicken than in the rat. This "constitutive" hyperactivity of PI3K in chicken muscle may over-stimulate a feedback inhibitory pathway described in mammals thereby desensitizing chicken muscle to insulin.
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Affiliation(s)
- J Dupont
- Unité de Physiologie de la Reproduction et des Comportements, UMR 6175, Institut National de la Recherche Agronomique, 37380 Nouzilly, France.
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Suh HN, Lee YJ, Han HJ. Interleukin-6 promotes 2-deoxyglucose uptake through p44/42 MAPKs activation via Ca2+/PKC and EGF receptor in primary cultured chicken hepatocytes. J Cell Physiol 2009; 218:643-52. [DOI: 10.1002/jcp.21641] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Role of beta-adrenoceptors in memory consolidation: beta3-adrenoceptors act on glucose uptake and beta2-adrenoceptors on glycogenolysis. Neuropsychopharmacology 2008; 33:2384-97. [PMID: 18046311 DOI: 10.1038/sj.npp.1301629] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Noradrenaline, acting via beta(2)- and beta(3)-adrenoceptors (AR), enhances memory formation in single trial-discriminated avoidance learning in day-old chicks by mechanisms involving changes in metabolism of glucose and/or glycogen. Earlier studies of memory consolidation in chicks implicated beta(3)- rather than beta(2)-ARs in enhancement of memory consolidation by glucose, but did not elucidate whether stimulation of glucose uptake or of glycolysis was responsible. This study examines the role of glucose transport in memory formation using central injection of the nonselective facilitative glucose transporter (GLUT) inhibitor cytochalasin B, the endothelial/astrocytic GLUT-1 inhibitor phloretin and the Na(+)/energy-dependent endothelial glucose transporter (SGLT) inhibitor phlorizin. Cytochalasin B inhibited memory when injected into the mesopallium (avian cortex) either close to or between 25 and 45 min after training, whereas phloretin and phlorizin only inhibited memory at 30 min. This suggested that astrocytic/endothelial (GLUT-1) transport is critical at the time of consolidation, whereas a different transporter, probably the neuronal glucose transporter (GLUT-3), is important at the time of training. Inhibition of glucose transport by cytochalasin B, phloretin, or phlorizin also interfered with beta(3)-AR-mediated memory enhancement 20 min posttraining, whereas inhibition of glycogenolysis interfered with beta(2)-AR agonist enhancement of memory. We conclude that in astrocytes (1) activities of both GLUT-1 and SGLT are essential for memory consolidation 30 min posttraining; (2) neuronal GLUT-3 is essential at the time of training; and (3) beta(2)- and beta(3)-ARs consolidate memory by different mechanisms; beta(3)-ARs stimulate central glucose transport, whereas beta(2)-ARs stimulate central glycogenolysis.
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