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Calik A, Emami NK, White MB, Dalloul RA. Performance, fatty acid composition, and liver fatty acid metabolism markers of broilers fed genetically modified soybean DP-3Ø5423-1. Poult Sci 2024; 103:103470. [PMID: 38301495 PMCID: PMC10846397 DOI: 10.1016/j.psj.2024.103470] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/27/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024] Open
Abstract
Several genetically modified (GM) plants have been produced and approved by regulatory agencies worldwide for cultivation and commercialization. Soybean and its by-products are major components of poultry diets and approximately 74% of world production is obtained from GM soybean events. The aim of this study was to evaluate the nutrient composition of DP-3Ø5423-1 extruded full-fat soybean meal (FFSBM) and near isoline non-GM control FFSBM included in broiler diets. Also assessed were their effects on bird performance, body composition, intestinal morphology, tissue fatty acid profile, and mRNA abundance of fatty acid metabolism markers. A total of 480 Ross 308 d of hatch birds were randomly allocated to 24 floor pens in a 2 × 2 factorial arrangement with diet and gender as main factors. Birds were fed diets containing 20% of either DP-3Ø5423-1 or control FFSBM for 35 d. Data were subjected to a 2-way ANOVA using the GLM procedure of JMP (Pro13). No significant interaction (P > 0.05) was observed between treatment groups in terms of performance and carcass composition. Morphological measurements of the jejunum and ileum were not influenced by the SBM treatments. Dietary addition of the DP-3Ø5423-1 FFSBM resulted in higher monounsaturated fatty acid composition of the thigh muscle and abdominal fat. Moreover, dietary treatment had no significant impact on the mRNA abundance of metabolic markers ACCα, FAS, MTTP, SREBP1, PPARα, PPARγ, AMPK-α1, SOD, CAT, and GPx in the liver. In conclusion, our results showed that DP-3Ø5423-1 extruded FFSBM is nutritionally equivalent to non-GM near-isoline counterpart with a comparable genetic background as evidenced by feed analyses except for fatty acid composition. Furthermore, the findings of this study clearly indicate that the examined DP-3Ø5423-1 FFSBM yields similar bird performance as conventional FFSBM.
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Affiliation(s)
- Ali Calik
- Department of Poultry Science, Avian Immunobiology Laboratory, University of Georgia, Athens, GA 30602, USA; Department of Animal Nutrition & Nutritional Diseases, Faculty of Veterinary Medicine, Ankara University, Ankara, 06110, Turkey
| | - Nima K Emami
- Department of Poultry Science, Avian Immunobiology Laboratory, University of Georgia, Athens, GA 30602, USA
| | - Mallory B White
- School of STEM, Virginia Western Community College, Roanoke, VA 24015, USA
| | - Rami A Dalloul
- Department of Poultry Science, Avian Immunobiology Laboratory, University of Georgia, Athens, GA 30602, USA.
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2
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Hu T, Ren L, Li H, An Z. Effects of Vitamin D supplementation or deficiency on metabolic phenotypes in mice of different sexes. J Steroid Biochem Mol Biol 2023; 229:106250. [PMID: 36708934 DOI: 10.1016/j.jsbmb.2023.106250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/14/2022] [Accepted: 01/12/2023] [Indexed: 01/27/2023]
Abstract
Vitamin D is a steroid hormone precursor that was initially recognized for its important roles in calcium-phosphate homeostasis and bone health. However, the resent prevalence of vitamin D deficiency has highlighted its non-skeletal function, such as its important role in regulating endogenous metabolism. The aim of the present study was to examine the roles of vitamin D supplementation or deficiency on metabolic phenotypes in both male and female mice by using targeted metabolomics analysis. Six weeks old C57BL/6 mice of different sexes were fed with standard chow diet (1000 IU/kg vitamin D3 contained), vitamin D deficient diet (0 IU/kg vitamin D3 contained), or vitamin D enriched diet (10,000 IU/kg vitamin D3 contained) for a total of 14 weeks. Liver pathological analysis showed that vitamin D deficiency caused significant fat deposition in both male and female mice. While vitamin D supplementation was found to improve the accumulation of fat in the liver tissue. Metabolomics analysis indicated that metabolic perturbation related to vitamin D regulation in male mice mainly involved in tricarboxylic acid cycle, fatty acylcarnitine and fatty acid metabolism, sugar metabolism, glutathione metabolism, steroid hormone and pyrimidine metabolism. Based on the criteria of VIP> 1 in OPLS-DA analysis and P < 0.05 in hypothesis test, a total of 62 metabolites and 78 metabolites were found to be significantly changed in VD-deficiency group and VD-supplement group compared with the control group, respectively. While for female mice, the metabolites disturbance mainly involved in fatty acylcarnitine and fatty acid metabolism, TCA, sugar metabolism, folate cycle, methionine cycle, and purine metabolism. A total of 38 and 57 metabolites were found to be significantly changed (VIP>1 and P < 0.05) in VD-deficiency group and VD-supplement group compared with the control group, respectively. Energy metabolism was the most relevant metabolic pathway for vitamin D regulation in both male and female mice. Sex-specific changes of fatty acyl carnitines and dehydroepiandrosterone were observed in the vitamin D supplementation groups. However, most of the energy metabolism related compounds exhibited the same trend in vitamin D supplementation groups of different sexes. Pearson's correlation analysis indicated that vitamin D was significantly correlated (P < 0.05) with the levels of D-fructose 6-phosphate, D-glucose 1-phosphate, D-glucose 6-phosphate, DL-pyroglutamic acid, 2-oxoglutarate, L-glutamic acid, and fumarate, which were all involved in the sugar metabolism pathway. The results achieved in this study demonstrated that vitamin D significantly regulated the metabolism of lipid and sugar, and the regulation showed a certain sex specificity.
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Affiliation(s)
- Ting Hu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, PR China.
| | - Lulu Ren
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, PR China
| | - Han Li
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, PR China
| | - Zhuoling An
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, PR China.
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Hu T, Sun Y, An Z. Dose- and time-dependent manners of moxifloxacin induced liver injury by targeted metabolomics study. Front Pharmacol 2022; 13:994821. [PMID: 36188611 PMCID: PMC9525095 DOI: 10.3389/fphar.2022.994821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Moxifloxacin is the most widely prescribed antibiotics due to its excellent oral bioavailability and broad-spectrum antibacterial effect. Despite of its popularity, the rare and severe liver injury induced by moxifloxacin is a big concern that cannot be ignored in clinical practice. However, the early warning and related metabolic disturbances of moxifloxacin induced hepatoxicity were rarely reported. In this study, the dose- and time-dependent manners of moxifloxacin induced liver injury were investigated by a targeted metabolomics method. In dose-dependent experiment, three different dosages of moxifloxacin were administered to the rats, including 36 mg kg−1 d−1, 72 mg kg−1 d−1, and 108 mg kg−1 d−1. In time-dependent experiment, moxifloxacin was orally administered to the rats for 3, 7 or 14 consecutive days. Pathological analysis showed that moxifloxacin caused obvious transient hepatotoxicity, with the most serious liver injury occurred in the 7 days continuous administration group. The transient liver injury can be automatically restored over time. Serum levels of liver function related biochemical indicators, including ALT, AST, TBIL, alkaline phosphatase, superoxide dismutase, and malondialdehyde, were also measured for the evaluation of liver injury. However, these indicators can hardly be used for the early warning of hepatotoxicity caused by moxifloxacin due to their limited sensitivity and significant hysteresis. Targeted metabolomics study demonstrated that serum concentrations of fatty acyl carnitines, fatty acids and dehydroepiandrosterone can change dynamically with the severity of moxifloxacin related liver injury. The elevated serum levels of fatty acyl carnitine, fatty acid and dehydroepiandrosterone were promising in predicting the hepatotoxicity induced by moxifloxacin.
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Affiliation(s)
- Ting Hu
- *Correspondence: Ting Hu, ; Zhuoling An,
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UHPLC-MS/MS-Based Metabolomics and Clinical Phenotypes Analysis Reveal Broad-Scale Perturbations in Early Pregnancy Related to Gestational Diabetes Mellitus. DISEASE MARKERS 2022; 2022:4231031. [PMID: 36061360 PMCID: PMC9433254 DOI: 10.1155/2022/4231031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/20/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022]
Abstract
Gestational diabetes mellitus (GDM) is the most common metabolic disturbance during pregnancy, with adverse effects on both mother and fetus. The establishment of early diagnosis and risk assessment model is of great significance for preventing and reducing adverse outcomes of GDM. In this study, the broad-scale perturbations related to GDM were explored through the integration analysis of metabolic and clinical phenotypes. Maternal serum samples from the first trimester were collected for targeted metabolomics analysis by using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). Statistical analysis was conducted based on the levels of the 184 metabolites and 76 clinical indicators from GDM women (
=60) and matched healthy controls (
=90). Metabolomics analysis revealed the down-regulation of fatty acid oxidation in the first trimester of GDM women, which was supposed to be related to the low serum level of dehydroepiandrosterone.While the significantly altered clinical phenotypes were mainly related to the increased risk of cardiovascular disease, abnormal iron metabolism, and inflammation. A phenotype panel established from the significantly changed serum indicators can be used for the early prediction of GDM, with the area under the receiver-operating characteristic curve (ROC) 0.83. High serum uric acid and C-reaction protein levels were risk factors for GDM independent of body mass indexes, with ORs 4.76 (95% CI: 2.08-10.90) and 3.10 (95% CI: 1.38-6.96), respectively. Predictive phenotype panel of GDM, together with the risk factors of GDM, will provide novel perspectives for the early clinical warning and diagnosis of GDM.
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Skovorodin E, Bronnikova G, Bazekin G, Dyudbin O, Khokhlov R. Antioxidant influence on poultry liver morphology and hepatocyte ultrastructure. Vet World 2019; 12:1716-1728. [PMID: 32009750 PMCID: PMC6925055 DOI: 10.14202/vetworld.2019.1716-1728] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 09/13/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND AIM The poultry farming development is held back by necessity to use the concentrates with the increased number of crude protein, mycotoxicoses, and subclinical infections concentration. They make a significant impact on the liver, therefore affecting its morphofunctional condition. Antioxidants use can prevent the negative influence of these factors. This study aimed to examine the impact of feed supplements containing natural antioxidants and synthetic antioxidants. MATERIALS AND METHODS The Muscovy ducks, Hungarian White geese, and quails were the study object. Birds after hatching from eggs were split into two groups: Control and two experimental. The control group (40 birds of each species) received a normal diet in accordance with the type and age. The young ducklings, goslings, and quails of the first experimental group (30 birds of each species) received water with diisopropylammonium dichloroacetate (Dironax). The young ducklings, goslings, and quails of the second experimental group (30 birds of each species) received liquid multivitamin preparation, containing organic selenium form (Solvimin Selen) from the 1st day of the postembryonic development to the age of 60 days. We performed the weighing of the young ducklings, goslings, and quails, determined the live weight, liver weight, using the electronic scales (measurement inaccuracy is 0.02 g). To conduct the morphometric, histological, and electron microscopic studies liver, we killed the birds at the age of 1 day, 15 days, a month and 2 months during the postembryonic ontogenesis. RESULTS The performed overall studies allowed to determine the positive influence of the antioxidants on growth and development of the meat bird, whose body mass increased by 5-10% in comparison with the control parameters. The antioxidants use prevents the development of fatty, hydropic and parenchymal degeneration, hepatocyte and epithelial cells necrosis of the bile ducts, and connective tissue proliferation with its further fibrosis. CONCLUSION This study proved that it is more effective to use well-digestible, fast-acting natural polyvitaminic antioxidant complex with selenium, starting from the 1st day of the postembryonic ontogeny.
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Affiliation(s)
- Evgeny Skovorodin
- Department of Morphology, Pathology, Pharmacy, and Non-communicable Diseases, Federal State Budget Educational Institution of Higher Education Bashkir State Agrarian University, Ufa, Russia
| | - Guzel Bronnikova
- Department of Morphology, Pathology, Pharmacy, and Non-communicable Diseases, Federal State Budget Educational Institution of Higher Education Bashkir State Agrarian University, Ufa, Russia
| | - George Bazekin
- Department of Morphology, Pathology, Pharmacy, and Non-communicable Diseases, Federal State Budget Educational Institution of Higher Education Bashkir State Agrarian University, Ufa, Russia
| | - Oleg Dyudbin
- Department of Morphology, Pathology, Pharmacy, and Non-communicable Diseases, Federal State Budget Educational Institution of Higher Education Bashkir State Agrarian University, Ufa, Russia
| | - Roman Khokhlov
- Department of Veterinary Medicine, Federal State Budget Educational Institution of Higher Education “Penza State Agrarian University,” Penza, Russia
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Tian D, Guo R, Li Y, Chen P, Zi B, Wang J, Liu R, Min Y, Wang Z, Niu Z, Liu F. Effects of lysine deficiency or excess on growth and the expression of lipid metabolism genes in slow-growing broilers. Poult Sci 2019; 98:2927-2932. [DOI: 10.3382/ps/pez041] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 01/24/2019] [Indexed: 01/16/2023] Open
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Li LL, Wang D, Ge CY, Yu L, Zhao JL, Ma HT. Dehydroepiandrosterone reduced lipid droplet accumulation via inhibiting cell proliferation and improving mitochondrial function in primary chicken hepatocytes. Physiol Res 2018. [PMID: 29527919 DOI: 10.33549/physiolres.933769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Dehydroepiandrosterone (DHEA) possesses fat-reducing effect, while little information is available on whether DHEA regulates cell proliferation and mitochondrial function, which would, in turn, affect lipid droplet accumulation in the broiler. In the present study, the lipid droplet accumulation, cell proliferation, cell cycle and mitochondrial membrane potential were analysis in primary chicken hepatocytes after DHEA treated. The results showed that total area and counts of lipid droplets were significantly decreased in hepatocytes treated with DHEA. The cell viability was significantly increased, while cell proliferation was significantly inhibited in a dose dependent manner in primary chicken hepatocytes after DHEA treated. DHEA treatment significantly increased the cell population in S phase and decreased the population in G2/M in primary chicken hepatocytes. Meanwhile, the cyclin A and cyclin-dependent kinases 2 (CDK2) mRNA abundance were significantly decreased in hepatocytes after DHEA treated. No significant differences were observed in the number of mitochondria, while the mitochondrial membrane permeability and succinate dehydrogenase (SDH) activity were significantly increased in hepatocytes after DHEA treated. In conclusion, our results demonstrated that DHEA reduced lipid droplet accumulation by inhibiting hepatocytes proliferation and enhancing mitochondrial function in primary chicken hepatocytes.
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Affiliation(s)
- L L Li
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, People's Republic of China; College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, People's Republic of China.
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8
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Li L, Ge C, Wang D, Yu L, Zhao J, Ma H. Dehydroepiandrosterone reduces accumulation of lipid droplets in primary chicken hepatocytes by biotransformation mediated via the cAMP/PKA-ERK1/2 signaling pathway. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:625-638. [PMID: 29571766 DOI: 10.1016/j.bbalip.2018.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 01/15/2018] [Accepted: 03/18/2018] [Indexed: 01/25/2023]
Abstract
Dehydroepiandrosterone (DHEA) is commonly used as a nutritional supplement to control fat deposition, but the mechanism of this action is poorly understood. In this study, we demonstrated that DHEA increased phosphorylation of AMP-activated protein kinase (p-AMPK). Elevated p-AMPK levels resulted in reduced expression of sterol regulatory element binding protein-1c, acetyl CoA carboxylase, fatty acid synthase and enhanced expression of peroxisome proliferators-activated receptor α and carnitine palmitoyl transferase-I, ultimately leading to the reduction of lipid droplet accumulation in primary chicken hepatocytes. We found that DHEA activates the cyclic adenosine 3', 5'-monophosphate/protein kinase A - extracellular signal-regulated kinase 1/2 (cAMP/PKA-ERK1/2) signaling pathway, which regulates the conversion of DHEA into testosterone and estradiol by increasing the 17β-hydroxysteroid dehydrogenase and aromatase protein expression. Importantly, the fat-reducing effects of DHEA are more closely associated with the conversion of DHEA into estradiol than with the action of DHEA itself as an active biomolecule, or to its alternative metabolite, testosterone. Taken together, our results indicate that DHEA is converted into active hormones through activation of the cAMP/PKA-ERK1/2 signaling pathway; the fat-reducing effects of DHEA are achieved through its conversion into estradiol, not testosterone, and not through direct action of DHEA itself, which led to the activation of the p-AMPK in primary chicken hepatocytes. These data provide novel insight into the mechanisms underlying the action of DHEA in preventing fat deposition, and suggest potential applications for DHEA treatment to control fat deposition or as an agent to treat disorders related to lipid metabolism in animals and humans.
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Affiliation(s)
- Longlong Li
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China
| | - Chongyang Ge
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China
| | - Dian Wang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China
| | - Lei Yu
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China
| | - Jinlong Zhao
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China
| | - Haitian Ma
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, People's Republic of China; Key Laboratory of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing 210095, People's Republic of China.
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Mohammed-Geba K, Arrutia F, Do-Huu H, Borrell YJ, Galal-Khallaf A, Ardura A, Riera FA, Garcia-Vazquez E. VY6, a β-lactoglobulin-derived peptide, altered metabolic lipid pathways in the zebra fish liver. Food Funct 2016; 7:1968-74. [PMID: 26983953 DOI: 10.1039/c6fo00003g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Today enormous research efforts are being focused on alleviating the massive, adverse effects of obesity. Short peptides are key targets for research as they can be generated from natural proteins, like milk. Here we conducted trypsinogen digestion of beta-lactoglobulin (β-lg), the major mammalian milk protein, to release the hexamer VY6. It was assayed in vivo for its activities on lipid metabolism using zebra fish as a vertebrate model. Zebra fish juveniles were injected with two different doses of the peptide: 100 and 800 μg per g fish and left for 5 days before sacrificing. Lipid measurements showed significant reduction in liver triglycerides and free cholesterol, as well as increased liver HDL cholesterol. Dose-dependent increases of the mRNA levels of the genes coding for the enzymes acyl coenzyme A oxidase 1 (acox1) and lipoprotein lipase (lpl) were also found. The complete results suggest significant anti-obesity activity of the β-lg-derived VY6 peptide. Its use as a nutraceutical has been discussed.
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Affiliation(s)
- K Mohammed-Geba
- Department of Functional Biology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain. and Genetic Engineering and Molecular Biology Division, Faculty of Science, Menoufia University, Egypt
| | - F Arrutia
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
| | - H Do-Huu
- Department of Aquaculture Biotechnology, Institute of Oceanography, Vietnam Academy of Science and Technology, 01 Cau Da, Nha Trang, Vietnam
| | - Y J Borrell
- Department of Functional Biology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain.
| | - A Galal-Khallaf
- Department of Functional Biology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain. and Genetic Engineering and Molecular Biology Division, Faculty of Science, Menoufia University, Egypt
| | - A Ardura
- Department of Functional Biology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain.
| | - Francisco A Riera
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
| | - Eva Garcia-Vazquez
- Department of Functional Biology, University of Oviedo, Julián Clavería 8, 33006 Oviedo, Spain.
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Kang J, Ge C, Yu L, Li L, Ma H. Long-Term Administration of Dehydroepiandrosterone Accelerates Glucose Catabolism via Activation of PI3K/Akt-PFK-2 Signaling Pathway in Rats Fed a High-Fat Diet. PLoS One 2016; 11:e0159077. [PMID: 27410429 PMCID: PMC4943648 DOI: 10.1371/journal.pone.0159077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 06/27/2016] [Indexed: 01/23/2023] Open
Abstract
Dehydroepiandrosterone (DHEA) has a fat-reducing effect, while little information is available on whether DHEA regulates glucose metabolism, which would in turn affect fat deposition. To investigate the effects of DHEA on glucose metabolism, rats were administered a high-fat diet containing either 0 (HCG), 25 (HLG), 50 (HMG), or 100 (HHG) mg·kg-1 DHEA per day via gavage for 8 weeks. Results showed that long-term administration of DHEA inhibited body weight gain in rats on a high-fat diet. No statistical differences in serum glucose levels were observed, whereas hepatic glycogen content in HMG and HHG groups and muscle glycogen content in HLG and HMG groups were higher than those in HCG group. Glucokinase, malate dehydrogenase and phosphofructokinase-2 activities in HMG and HHG groups, pyruvate kinase and succinate dehydrogenase activities in HMG group, and pyruvate dehydrogenase activity in all DHEA treatment groups were increased compared with those in HCG group. Phosphoenolpyruvate carboxykinase and glycogen phosphorylase mRNA levels were decreased in HMG and HHG groups, whereas glycogen synthase-2 mRNA level was increased in HMG group compared with those in HCG. The abundance of Glut2 mRNA in HMG and HHG groups and Glut4 mRNA in HMG group was higher than that in HCG group. DHEA treatment increased serum leptin content in HMG and HHG groups compared with that in HCG group. Serum insulin content and insulin receptor mRNA level in HMG group and insulin receptor substrate-2 mRNA level in HMG and HHG group were increased compared with those in HCG group. Furthermore, Pi3k mRNA level in HMG and Akt mRNA level in HMG and HHG groups were significantly increased than those in HCG group. These data showed that DHEA treatment could enhance glycogen storage and accelerate glucose catabolism in rats fed a high-fat diet, and this effect may be associated with the activation of PI3K/Akt-PFK-2 signaling pathway.
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Affiliation(s)
- Jian Kang
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Chongyang Ge
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Lei Yu
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Longlong Li
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Haitian Ma
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
- * E-mail:
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11
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Huang J, Ruan J, Tang X, Zhang W, Ma H, Zou S. Comparative proteomics and phosphoproteomics analyses of DHEA-induced on hepatic lipid metabolism in broiler chickens. Steroids 2011; 76:1566-74. [PMID: 21971421 DOI: 10.1016/j.steroids.2011.09.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 09/03/2011] [Accepted: 09/19/2011] [Indexed: 10/17/2022]
Abstract
Dehydroepiandrosterone (DHEA) is a precursor of the adrenocorticosteroid hormones that are common to all animals, including poultry. The study described herein was undertaken to investigate the effect of DHEA on lipid metabolism in broiler chickens during embryonic development and to determine the regulatory mechanisms involved in its physiological action. Treatment group eggs were injected with 50mg DHEA diluted in 50 μL dimethyl sulfoxide (DMSO) per kg, while control group eggs (arbor acres [AA] fertilized) were injected with 50 μL DMSO per kg prior to incubation. Liver samples were collected on days 9, 14 and 19 of embryonic development as well as at hatching. Extracted proteins were analyzed by two dimensional gel electrophoresis (2-DE) in combination with western blotting for specific anti-phosphotyrosine. The differential spots were identified by matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF-MS) or MALDI-TOF-TOF-MS. Peptide mass fingerprinting (PMF) of the differentially-expressed proteins were performed using the MASCOT, Prospector or proFound server. Thirty-seven proteins and twenty-two tyrosine phosphorylation proteins were successfully identified. All 37 proteins and 22 tyrosine phosphorylation proteins exhibited a significant volume difference from the control group. These results demonstrated that DHEA increased the expression and level of tyrosine phosphorylation and sulfotransferase proteins in broilers (at pI 5.9), therefore promoting the biotransformation of DHEA. The expression of apolipoproteinA-I was increased in the DHEA treatment group, which facilitated the conversion of cholesterol to cholesterol esters. Also, DHEA increased the expression of peroxiredoxin-6 and its tyrosine phosphorylation protein levels, thus enhancing its anti-oxidative activity. Furthermore, pyruvate dehydrogenase expression was decreased and the level of its tyrosine phosphorylation proteins increased in the DHEA treatment group. Take together, those data indicate that DHEA reduces the supply of acetyl-CoA by inhibiting the activity of its target enzyme (i.e., pyruvate dehydrogenase), thus affecting both protein synthesis and phosphorylation level and decreasing fat deposition in broiler chickens during embryonic development, which could reflect a physiologically-relevant DHEA fat-reduction mechanism in the broiler chicken.
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Affiliation(s)
- Jianzhen Huang
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
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Péczely P, Bogenfürst F, Kulcsár M, Polgár B. Role of gonadal and adrenal steroids and thyroid hormones in the regulation of molting in domestic goose. ACTA BIOLOGICA HUNGARICA 2011; 62:1-21. [PMID: 21388915 DOI: 10.1556/abiol.61.2011.1.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Plasma levels of testosterone (T), 17-β-estradiol (E2), progesterone (P4), dehydroepiandrosterone (DHEA), corticosterone (B), thyroxine (T4) and triiodothyronine (T3) were monitored during postnuptial and the prenuptial molt in domestic goose (Anser anser domesticus) in both sexes. 1. At the beginning of postnuptial molt (when the old, worn dawny-, and cover feathers' loss starts) in ganders, the levels of T, E2, P4 decrease while DHEA and B significantly increase. The elevated levels of T4 and low T3 concentrations characteristic of the last phase of the reproduction, remain unchanged. In layers, similar changes were observed, however, B decreases. 2. In the early phase of outgrowth of wing and cover feathers, plasma levels of T, E2 and P4 are low. Elevated B, DHEA and T4 concentrations decrease in ganders, while in layers DHEA increases and B and T4 levels remain unchanged. T3 increases in both sexes. 3. The subsequent intensive outgrowth period of wing- and cover feathers both in ganders and in layers is characterized by very low levels of T, E2, DHEA and T4, but P4 increased, and T3 concentration remain high. 4. At the end of postnuptial molt - when the outgrowth of dawny, cover-, and wing feathers stops - very low T, E2, P4, DHEA and T4 levels and and high T3 plasma levels were found in both sexes. Fast increase of plasma B was detected in ganders, while in geese, B concentration remain high. 5. During prenuptial molting (outgrowth of contour and tail feathers) low E2, P4 and T4, increasing T and DHEA, but very high T3 and B plasma concentration were measured in ganders. In layers, very low T, E2, P4, DHEA and T4 levels, and very high B and T3 levels were found. 6. At the beginning of the fall-winter sexual repose (postmolting stage) T, E2, P4, DHEA and T4 levels increase, T3 and B declines in both sexes. 7. In the subsequent phase of fall-winter period (preparatory stage) there is a further increase in T, P4 and T4, a fast increase of B and a decrease of E2, DHEA and T3 in ganders. In layers, T, P4 and DHEA decrease, B increases and the T4 and T3 do not change. 8. At the beginning of reproduction high T level, unchanged DHEA, slightly declined P4, and decreased E2, T4, T3 and a strong decline of B concentrations occur in ganders. In layers, T is further increased, E2 and P4 shows high levels, and, at the same time DHEA and T3 remain unchanged, while B and T4 decrease.
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Affiliation(s)
- P Péczely
- Department of Reproductive Biology, Faculty of Agriculture, Szent István University, Gödöllo, Hungary.
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Chen J, Tang X, Zhang Y, Ma H, Zou S. Effects of maternal treatment of dehydroepiandrosterone (DHEA) on serum lipid profile and hepatic lipid metabolism-related gene expression in embryonic chickens. Comp Biochem Physiol B Biochem Mol Biol 2010; 155:380-6. [DOI: 10.1016/j.cbpb.2009.12.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2009] [Revised: 12/31/2009] [Accepted: 12/31/2009] [Indexed: 10/20/2022]
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Izumo K, Horiuchi M, Komatsu M, Aoyama K, Bandow K, Matsuguchi T, Takeuchi M, Takeuchi T. Dehydroepiandrosterone increased oxidative stress in a human cell line during differentiation. Free Radic Res 2009; 43:922-31. [DOI: 10.1080/10715760903137093] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Brennan KM, Michal JJ, Ramsey JJ, Johnson KA. Body weight loss in beef cows: I. The effect of increased β-oxidation on messenger ribonucleic acid levels of uncoupling proteins two and three and peroxisome proliferator-activated receptor in skeletal muscle. J Anim Sci 2009; 87:2860-6. [DOI: 10.2527/jas.2008-1302] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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16
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Cardiac impairment in rabbits fed a high-fat diet is counteracted by dehydroepiandrosterone supplementation. Life Sci 2009; 85:77-84. [DOI: 10.1016/j.lfs.2009.04.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2008] [Revised: 03/19/2009] [Accepted: 04/30/2009] [Indexed: 11/15/2022]
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Tang X, Ma H, Huang G, Miao J, Zou S. The effect of dehydroepiandrosterone on lipogenic gene mRNA expression in cultured primary chicken hepatocytes. EUR J LIPID SCI TECH 2009. [DOI: 10.1002/ejlt.200800169] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Dehydroepiandrosterone activates cyclic adenosine 3',5'-monophosphate/protein kinase A signalling and suppresses sterol regulatory element-binding protein-1 expression in cultured primary chicken hepatocytes. Br J Nutr 2009; 102:680-6. [PMID: 19267949 DOI: 10.1017/s0007114509289021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Dehydroepiandrosterone (DHEA), a steroid hormone that is secreted by the adrenal cortex in mammals, has an array of biological actions, including inhibition of fat synthesis, decreasing the number of adipocytes, and a reduction in mammalian metabolic efficiency. Recent studies showed that DHEA may decrease fat deposition in poultry, but the mechanism of action is unclear. In the present study, we demonstrate that DHEA stimulates intracellular cyclic adenosine 3',5'-monophosphate (cAMP) accumulation in chicken hepatocytes during a 30 min incubation period. Increases in intracellular cAMP are evoked by as low as 0.1 microm-DHEA. The cAMP induced by DHEA, while suppressing cAMP-specific phosphodiesterase activity, also activates cAMP-dependent protein kinase A (PKA) in chicken hepatocytes. In addition, the activation of PKA leads to down-regulation of sterol regulatory element-binding protein-1 (SREBP-1). These findings demonstrate that direct action by DHEA leads to activation of the cAMP/PKA signalling system in the modulation of lipid metabolism by repressing SREBP-1, thereby providing a novel explanation for some of the underlying effects proposed for DHEA in the prevention of fat deposition in poultry.
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Bibliography. Current world literature. Nutrition and metabolism. Curr Opin Lipidol 2009; 20:63-72. [PMID: 19106709 DOI: 10.1097/mol.0b013e32832402a2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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