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Avallone R, Rustichelli C, Filaferro M, Vitale G. Chemical Characterization and Beneficial Effects of Walnut Oil on a Drosophila melanogaster Model of Parkinson's Disease. Molecules 2024; 29:4190. [PMID: 39275038 PMCID: PMC11397333 DOI: 10.3390/molecules29174190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 09/02/2024] [Accepted: 09/02/2024] [Indexed: 09/16/2024] Open
Abstract
A nutritional approach could be a promising strategy to prevent or decrease the progression of neurodegenerative disorders such as Parkinson's disease (PD). The neuroprotective role of walnut oil (WO) was investigated in Drosophila melanogaster treated with rotenone (Rot), as a PD model, WO, or their combination, and compared to controls. WO reduced mortality and improved locomotor activity impairment after 3 and 7 days, induced by Rot. LC-MS analyses of fatty acid levels in Drosophila heads showed a significant increase in linolenic (ALA) and linoleic acid (LA) both in flies fed with the WO-enriched diet and in those treated with the association of WO with Rot. Flies supplemented with the WO diet showed an increase in brain dopamine (DA) level, while Rot treatment significantly depleted dopamine content; conversely, the association of Rot with WO did not modify DA content compared to controls. The greater intake of ALA and LA in the enriched diet enhanced their levels in Drosophila brain, suggesting a neuroprotective role of polyunsaturated fatty acids against Rot-induced neurotoxicity. The involvement of the dopaminergic system in the improvement of behavioral and biochemical parameters in Drosophila fed with WO is also suggested.
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Affiliation(s)
- Rossella Avallone
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Cecilia Rustichelli
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Monica Filaferro
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Giovanni Vitale
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
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2
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Bauer I, Rimbach G, Cordeiro S, Bosy-Westphal A, Weghuber J, Ipharraguerre IR, Lüersen K. A comprehensive in-vitro/ in-vivo screening toolbox for the elucidation of glucose homeostasis modulating properties of plant extracts (from roots) and its bioactives. Front Pharmacol 2024; 15:1396292. [PMID: 38989154 PMCID: PMC11233739 DOI: 10.3389/fphar.2024.1396292] [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: 03/05/2024] [Accepted: 06/10/2024] [Indexed: 07/12/2024] Open
Abstract
Plant extracts are increasingly recognized for their potential in modulating (postprandial) blood glucose levels. In this context, root extracts are of particular interest due to their high concentrations and often unique spectrum of plant bioactives. To identify new plant species with potential glucose-lowering activity, simple and robust methodologies are often required. For this narrative review, literature was sourced from scientific databases (primarily PubMed) in the period from June 2022 to January 2024. The regulatory targets of glucose homeostasis that could be modulated by bioactive plant compounds were used as search terms, either alone or in combination with the keyword "root extract". As a result, we present a comprehensive methodological toolbox for studying the glucose homeostasis modulating properties of plant extracts and its constituents. The described assays encompass in-vitro investigations involving enzyme inhibition (α-amylase, α-glucosidase, dipeptidyl peptidase 4), assessment of sodium-dependent glucose transporter 1 activity, and evaluation of glucose transporter 4 translocation. Furthermore, we describe a patch-clamp technique to assess the impact of extracts on KATP channels. While validating in-vitro findings in living organisms is imperative, we introduce two screenable in-vivo models (the hen's egg test and Drosophila melanogaster). Given that evaluation of the bioactivity of plant extracts in rodents and humans represents the current gold standard, we include approaches addressing this aspect. In summary, this review offers a systematic guide for screening plant extracts regarding their influence on key regulatory elements of glucose homeostasis, culminating in the assessment of their potential efficacy in-vivo. Moreover, application of the presented toolbox might contribute to further close the knowledge gap on the precise mechanisms of action of plant-derived compounds.
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Affiliation(s)
- Ilka Bauer
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Gerald Rimbach
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Sönke Cordeiro
- Institute of Physiology, University of Kiel, Kiel, Germany
| | - Anja Bosy-Westphal
- Division of Human Nutrition, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Julian Weghuber
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, Wels, Austria
- FFoQSI—Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, Tulln, Austria
| | - Ignacio R. Ipharraguerre
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Kai Lüersen
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
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3
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Yang Y, Cao Y, Zhang J, Fan L, Huang Y, Tan TC, Ho LH. Artemisia argyi extract exerts antioxidant properties and extends the lifespan of Drosophila melanogaster. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:3926-3935. [PMID: 38252625 DOI: 10.1002/jsfa.13273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/18/2023] [Accepted: 01/01/2024] [Indexed: 01/24/2024]
Abstract
BACKGROUND Chinese mugwort (Artemisia argyi) possesses extensive pharmacological activities associated with anti-tumour, antioxidative and anti-inflammatory effects. The present study aimed to investigate the antioxidant and anti-ageing effects of A. argyi extract (AAE) on the fruit fly (Drosophila melanogaster) ageing model by detecting antioxidant enzyme activities and the mRNA level of antioxidant genes. RESULTS AAE could significantly lengthen the mean lifespan, 50% survival days, and maximum lifespan of D. melanogaster, especially when the amount of AAE added reached 6.68 mg mL-1, the mean lifespan of both female and male flies increased by 23.74% and 22.30%, respectively, indicating the effective life extension effect of AAE. At the same time, AAE could improve the climbing ability and tolerance to hydrogen peroxide in D. melanogaster. In addition, the addition of AAE effectively increased the activities of copper-zinc-containing superoxide dismutase, manganese-containing superoxide dismutase and catalase in D. melanogaster and reduced the contents of malondialdehyde. Moreover, when reared with diets containing AAE, the expression of antioxidant-related genes SOD1, SOD2 and CAT was up-regulated in D. melanogaster and down-regulated for MTH genes. CONCLUSION The study indicates that AAE effectively enhances the antioxidant capacity of D. melanogaster and has potential applications as an antioxidant and anti-ageing agent in the nutraceutical industry. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Yuhua Yang
- College of Tea and Food Science, Wuyi University, Wuyishan, China
- Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang, Malaysia
| | - Yuping Cao
- College of Tea and Food Science, Wuyi University, Wuyishan, China
| | - Jianming Zhang
- College of Tea and Food Science, Wuyi University, Wuyishan, China
| | - Li Fan
- College of Tea and Food Science, Wuyi University, Wuyishan, China
| | - Yan Huang
- College of Tea and Food Science, Wuyi University, Wuyishan, China
| | - Thuan-Chew Tan
- Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang, Malaysia
- Renewable Biomass Transformation Cluster, School of Industrial Technology, Universiti Sains Malaysia, Penang, Malaysia
| | - Lee-Hoon Ho
- Department of Food Industry, Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, Besut, Malaysia
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Ge T, Brickner JH. Inheritance of epigenetic transcriptional memory. Curr Opin Genet Dev 2024; 85:102174. [PMID: 38430840 PMCID: PMC10947848 DOI: 10.1016/j.gde.2024.102174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/23/2024] [Accepted: 02/06/2024] [Indexed: 03/05/2024]
Abstract
Epigenetic memory allows organisms to stably alter their transcriptional program in response to developmental or environmental stimuli. Such transcriptional programs are mediated by heritable regulation of the function of enhancers and promoters. Memory involves read-write systems that enable self-propagation and mitotic inheritance of cis-acting epigenetic marks to induce stable changes in transcription. Also, in response to environmental cues, cells can induce epigenetic transcriptional memory to poise inducible genes for faster induction in the future. Here, we discuss modes of epigenetic inheritance and the molecular basis of epigenetic transcriptional memory.
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Affiliation(s)
- Tiffany Ge
- Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA
| | - Jason H Brickner
- Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA.
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Li M, Macro J, Meadows K, Mishra D, Martin D, Olson S, Huggins BJ, Graveley BR, Li JYH, Rogina B. Late-life shift in caloric intake affects fly metabolism and longevity. Proc Natl Acad Sci U S A 2023; 120:e2311019120. [PMID: 38064506 PMCID: PMC10723134 DOI: 10.1073/pnas.2311019120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 10/05/2023] [Indexed: 12/17/2023] Open
Abstract
The prevalence of obesity is increasing in older adults and contributes to age-related decline. Caloric restriction (CR) alleviates obesity phenotypes and delays the onset of age-related changes. However, how late in life organisms benefit from switching from a high-(H) to a low-calorie (L) diet is unclear. We transferred male flies from a H to a L (HL) diet or vice versa (LH) at different times during life. Both shifts immediately change fly rate of aging even when applied late in life. HL shift rapidly reduces fly mortality rate to briefly lower rate than in flies on a constant L diet, and extends lifespan. Transcriptomic analysis uncovers that flies aged on H diet have acquired increased stress response, which may have temporal advantage over flies aged on L diet and leads to rapid decrease in mortality rate after HL switch. Conversely, a LH shift increases mortality rate, which is temporarily higher than in flies aged on a H diet, and shortens lifespan. Unexpectedly, more abundant transcriptomic changes accompanied LH shift, including increase in ribosome biogenesis, stress response and growth. These changes reflect protection from sudden release of ROS, energy storage, and use of energy to growth, which all likely contribute to higher mortality rate. As the beneficial effects of CR on physiology and lifespan are conserved across many organisms, our study provides framework to study underlying mechanisms of CR interventions that counteract the detrimental effects of H diets and reduce rate of aging even when initiated later in life.
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Affiliation(s)
- Michael Li
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Jacob Macro
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Kali Meadows
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Dushyant Mishra
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Dominique Martin
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Sara Olson
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
- Institute for Systems Genomics, School of Medicine, University of Connecticut Health Center, Farmington, CT06030
| | - Billy Joe Huggins
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Brenton R. Graveley
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
- Institute for Systems Genomics, School of Medicine, University of Connecticut Health Center, Farmington, CT06030
| | - James Y. H. Li
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
- Institute for Systems Genomics, School of Medicine, University of Connecticut Health Center, Farmington, CT06030
| | - Blanka Rogina
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT06030
- Institute for Systems Genomics, School of Medicine, University of Connecticut Health Center, Farmington, CT06030
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Aleya A, Mihok E, Pecsenye B, Jolji M, Kertész A, Bársony P, Vígh S, Cziaky Z, Máthé AB, Burtescu RF, Oláh NK, Neamțu AA, Turcuș V, Máthé E. Phytoconstituent Profiles Associated with Relevant Antioxidant Potential and Variable Nutritive Effects of the Olive, Sweet Almond, and Black Mulberry Gemmotherapy Extracts. Antioxidants (Basel) 2023; 12:1717. [PMID: 37760021 PMCID: PMC10525884 DOI: 10.3390/antiox12091717] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/15/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
The extracts of whole plants or specific organs from different plant species are gaining increasing attention for their phytotherapy applications. Accordingly, we prepared standardized gemmotherapy extracts (GTEs) from young shoots/buds of olive (Olea europaea), sweet almond (Prunus amygdalus), and black mulberry (Morus nigra), and analyzed the corresponding phytonutrient profiles. We identified 42, 103, and 109 phytonutrients in the olive, almond, and black mulberry GTEs, respectively, containing amino acids, vitamins, polyphenols, flavonoids, coumarins, alkaloids, iridoids, carboxylic acids, lignans, terpenoids, and others. In order to assess the physiological effects generated by the GTEs, we developed a translational nutrition model based on Drosophila melanogaster and Cyprinus carpio. The results indicate that GTEs could influence, to a variable extent, viability and ATP synthesis, even though both are dependent on the specific carbohydrate load of the applied diet and the amino acid and polyphenol pools provided by the GTEs. It seems, therefore, likely that the complex chemical composition of the GTEs offers nutritional properties that cannot be separated from the health-promoting mechanisms that ultimately increase viability and survival. Such an approach sets the paves the way for the nutritional genomic descriptions regarding GTE-associated health-promoting effects.
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Affiliation(s)
- Amina Aleya
- Doctoral School of Animal Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary; (A.A.); (E.M.); (A.K.)
| | - Emőke Mihok
- Doctoral School of Animal Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary; (A.A.); (E.M.); (A.K.)
| | - Bence Pecsenye
- Doctoral School of Nutrition and Food Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary (M.J.)
- Institute of Nutrition Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary;
| | - Maria Jolji
- Doctoral School of Nutrition and Food Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary (M.J.)
| | - Attila Kertész
- Doctoral School of Animal Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary; (A.A.); (E.M.); (A.K.)
| | - Péter Bársony
- Institute of Animal Science, Biotechnology and Nature Conservation, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary;
| | - Szabolcs Vígh
- Agricultural and Molecular Research Institute, University of Nyíregyháza, Sóstói Str. 31, 4400 Nyíregyháza, Hungary; (S.V.); (Z.C.)
| | - Zoltán Cziaky
- Agricultural and Molecular Research Institute, University of Nyíregyháza, Sóstói Str. 31, 4400 Nyíregyháza, Hungary; (S.V.); (Z.C.)
| | - Anna-Beáta Máthé
- Doctoral School of Neuroscience, Faculty of Medicine, University of Debrecen, Nagyerdei Str. 94, 4032 Debrecen, Hungary;
| | | | - Neli-Kinga Oláh
- PlantExtrakt Ltd., 407059 Cluj, Romania; (R.F.B.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Vasile Goldiș Western University from Arad, L.Rebreanu Str. 86, 310414 Arad, Romania
| | - Andreea-Adriana Neamțu
- Department of Life Sciences, Faculty of Medicine, Vasile Goldiș Western University from Arad, L.Rebreanu Str. 86, 310414 Arad, Romania
| | - Violeta Turcuș
- Department of Life Sciences, Faculty of Medicine, Vasile Goldiș Western University from Arad, L.Rebreanu Str. 86, 310414 Arad, Romania
- CE-MONT Mountain Economy Center, Costin C. Kirițescu National Institute of Economic Research, Romanian Academy, Petreni Str. 49, 725700 Suceava, Romania
| | - Endre Máthé
- Institute of Nutrition Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary;
- Department of Life Sciences, Faculty of Medicine, Vasile Goldiș Western University from Arad, L.Rebreanu Str. 86, 310414 Arad, Romania
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Moura-Silva J, Tavares MPS, Almeida-Oliveira F, Majerowicz D. Diet supplementation with egg yolk powder fattens the beetle Tribolium castaneum. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2023; 112:e22000. [PMID: 36656770 DOI: 10.1002/arch.22000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 11/11/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Insects have become essential models in studying human metabolic diseases, mainly due to their low maintenance cost and available tools. Both mutations and modified diets induce metabolic states similar to human obesity and diabetes. Here, we explore the effect of a high-calorie, high-fat diet on the metabolism of the beetle Tribolium castaneum. Supplementation of the wheat flour diet with powdered egg yolk for 3 weeks increased the total triacylglycerol and accelerated larval development. In addition, this diet increased the triacylglycerol levels of adult beetles. However, this egg yolk supplementation did not alter the larvae's total glucose levels or lipogenic capacity and ATP citrate lyase activity. The diet also did not change the expression profile of several lipid and carbohydrate metabolism genes and insulin-like peptides. Thus, we conclude that the diet supplemented with egg yolk induces increased fat without causing diabetes phenotypes, as seen in other hypercaloric diets in insects.
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Affiliation(s)
- Julia Moura-Silva
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Matheus P S Tavares
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - David Majerowicz
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular - INCT-EM, Rio de Janeiro, Brazil
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Popovic R, Yu Y, Leal NS, Fedele G, Loh SHY, Martins LM. Upregulation of Tribbles decreases body weight and increases sleep duration. Dis Model Mech 2023; 16:dmm049942. [PMID: 37083954 PMCID: PMC10151826 DOI: 10.1242/dmm.049942] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 03/16/2023] [Indexed: 04/22/2023] Open
Abstract
Eukaryotic Tribbles proteins are pseudoenzymes that regulate multiple aspects of intracellular signalling. Both Drosophila melanogaster and mammalian members of this family of pseudokinases act as negative regulators of insulin signalling. Mammalian tribbles pseudokinase (TRIB) genes have also been linked to insulin resistance and type 2 diabetes mellitus. Type 2 diabetes mellitus is associated with increased body weight, sleep problems and increased long-term mortality. Here, we investigated how manipulating the expression of Tribbles impacts body weight, sleep and mortality. We showed that the overexpression of Drosophila tribbles (trbl) in the fly fat body reduces both body weight and lifespan in adult flies without affecting food intake. Furthermore, it decreases the levels of Drosophila insulin-like peptide 2 (DILP2; ILP2) and increases night-time sleep. The three genes encoding TRIBs of mammals, TRIB1, TRIB2 and TRIB3, show both common and unique features. As the three human TRIB genes share features with Drosophila trbl, we further explored the links between TRIB genetic variants and both body weight and sleep in the human population. We identified associations between the polymorphisms and expression levels of the pseudokinases and markers of body weight and sleep duration. We conclude that Tribbles pseudokinases are involved in the control of body weight, lifespan and sleep.
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Affiliation(s)
- Rebeka Popovic
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Yizhou Yu
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Nuno Santos Leal
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Giorgio Fedele
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Samantha H. Y. Loh
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
| | - L. Miguel Martins
- MRC Toxicology Unit, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK
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Soy Extract, Rich in Hydroxylated Isoflavones, Exhibits Antidiabetic Properties In Vitro and in Drosophila melanogaster In Vivo. Nutrients 2023; 15:nu15061392. [PMID: 36986122 PMCID: PMC10054920 DOI: 10.3390/nu15061392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/15/2023] Open
Abstract
In the context of the growing prevalence of type 2 diabetes (T2DM), control of postprandial hyperglycemia is crucial for its prevention. Blood glucose levels are determined by various factors including carbohydrate hydrolyzing enzymes, the incretin system and glucose transporters. Furthermore, inflammatory markers are recognized predictors of diabetes outcome. Although there is some evidence that isoflavones may exhibit anti-diabetic properties, little is known about to what extent their corresponding hydroxylated metabolites may affect glucose metabolism. We evaluated the ability of a soy extract before (pre-) and after (post-) fermentation to counteract hyperglycemia in vitro and in Drosophila melanogaster in vivo. Fermentation with Aspergillus sp. JCM22299 led to an enrichment of hydroxy-isoflavones (HI), including 8-hydroxygenistein, 8-hydroxyglycitein and 8-hydroxydaidzein, accompanied by an enhanced free radical scavenging activity. This HI-rich extract demonstrated inhibitory activity towards α-glucosidase and a reduction of dipeptidyl peptidase-4 enzyme activity. Both the pre- and post-fermented extracts significantly inhibited the glucose transport via sodium-dependent glucose transporter 1. Furthermore, the soy extracts reduced c-reactive protein mRNA and secreted protein levels in interleukin-stimulated Hep B3 cells. Finally, supplementation of a high-starch D. melanogaster diet with post-fermented HI-rich extract decreased the triacylglyceride content of female fruit flies, confirming its anti-diabetic properties in an in vivo model.
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10
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Far from being a simple question: The complexity between in vitro and in vivo responses from nutrients and bioactive compounds with antioxidant potential. Food Chem 2023; 402:134351. [DOI: 10.1016/j.foodchem.2022.134351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 11/18/2022]
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Fat Quality Impacts the Effect of a High-Fat Diet on the Fatty Acid Profile, Life History Traits and Gene Expression in Drosophila melanogaster. Cells 2022; 11:cells11244043. [PMID: 36552807 PMCID: PMC9776686 DOI: 10.3390/cells11244043] [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: 11/15/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
Feeding a high-fat diet (HFD) has been shown to alter phenotypic and metabolic parameters in Drosophila melanogaster. However, the impact of fat quantity and quality remains uncertain. We first used butterfat (BF) as an example to investigate the effects of increasing dietary fat content (3-12%) on male and female fruit flies. Although body weight and body composition were not altered by any BF concentration, health parameters, such as lifespan, fecundity and larval development, were negatively affected in a dose-dependent manner. When fruit flies were fed various 12% HFDs (BF, sunflower oil, olive oil, linseed oil, fish oil), their fatty acid profiles shifted according to the dietary fat qualities. Moreover, fat quality was found to determine the effect size of the response to an HFD for traits, such as lifespan, climbing activity, or fertility. Consistently, we also found a highly fat quality-specific transcriptional response to three exemplary HFD qualities with a small overlap of only 30 differentially expressed genes associated with the immune/stress response and fatty acid metabolism. In conclusion, our data indicate that not only the fat content but also the fat quality is a crucial factor in terms of life-history traits when applying an HFD in D. melanogaster.
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Tonk-Rügen M, Vilcinskas A, Wagner AE. Insect Models in Nutrition Research. Biomolecules 2022; 12:1668. [PMID: 36421682 PMCID: PMC9687203 DOI: 10.3390/biom12111668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 09/08/2024] Open
Abstract
Insects are the most diverse organisms on earth, accounting for ~80% of all animals. They are valuable as model organisms, particularly in the context of genetics, development, behavior, neurobiology and evolutionary biology. Compared to other laboratory animals, insects are advantageous because they are inexpensive to house and breed in large numbers, making them suitable for high-throughput testing. They also have a short life cycle, facilitating the analysis of generational effects, and they fulfil the 3R principle (replacement, reduction and refinement). Many insect genomes have now been sequenced, highlighting their genetic and physiological similarities with humans. These factors also make insects favorable as whole-animal high-throughput models in nutritional research. In this review, we discuss the impact of insect models in nutritional science, focusing on studies investigating the role of nutrition in metabolic diseases and aging/longevity. We also consider food toxicology and the use of insects to study the gut microbiome. The benefits of insects as models to study the relationship between nutrition and biological markers of fitness and longevity can be exploited to improve human health.
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Affiliation(s)
- Miray Tonk-Rügen
- Institute of Nutritional Science, Justus Liebig University, Wilhelmstrasse 20, 35392 Giessen, Germany
- Institute for Insect Biotechnology, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Andreas Vilcinskas
- Institute for Insect Biotechnology, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
- LOEWE Centre for Translational Biodiversity Genomics (LOEWE-TBG), Senckenberganlage 25, 60325 Frankfurt, Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Branch of Bioresources, Ohlebergsweg 12, 35392 Giessen, Germany
| | - Anika E. Wagner
- Institute of Nutritional Science, Justus Liebig University, Wilhelmstrasse 20, 35392 Giessen, Germany
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Wang M, Mao H, Chen J, Qi L, Wang J. Ameliorative effect of bayberry leaves proanthocyanidins on high sugar diet induced Drosophila melanogaster. Front Pharmacol 2022; 13:1008580. [PMID: 36188544 PMCID: PMC9521571 DOI: 10.3389/fphar.2022.1008580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Bayberry leaves proanthocyanidins (BLPs) were distributed in natural plant food, considered to have the potential for metabolic syndrome. In this study, we raised Drosophila melanogaster on high sugar diet (HSD) from the egg stage to induce hyperglycemia, and the ameliorative effect of BLPs was assessed based on this model. Phenotypical, biochemical, and molecular analyses related to diabetes mellitus pathogenesis were measured. Flies exposed to BLPs were found to suppress the HSD-induced high glucose and high triglycerides levels. Moreover, BLPs showed an inhibitory effect on carbohydrate digestive enzymes (α-amylase and α-glucosidase) activity and mRNA expression, exhibiting the potential for carbohydrate digestion retardation. Transcriptional levels of key genes associated with glycolipid metabolism were further evaluated, including dilp, InR, and downstream dAKT-dFOXO-PEPCK, together with E78, SREBP, FAS, and LSD genes, were all downregulated after BLPs-exposure, suggesting the ameliorative effect of BLPs on dysbiosis associated with the insulin signaling pathway. This study provided a new functional compound, which is beneficial to further antidiabetic therapy studies.
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Affiliation(s)
- Mengting Wang
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Haiguang Mao
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Jianchu Chen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Lili Qi
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
- *Correspondence: Lili Qi, ; Jinbo Wang,
| | - Jinbo Wang
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
- *Correspondence: Lili Qi, ; Jinbo Wang,
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