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Wainwright CL, Walsh SK. Pharmacology of Non-Psychoactive Phytocannabinoids and Their Potential for Treatment of Cardiometabolic Disease. Handb Exp Pharmacol 2024. [PMID: 39235486 DOI: 10.1007/164_2024_731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
The use of Cannabis sativa by humans dates back to the third millennium BC, and it has been utilized in many forms for multiple purposes, including production of fibre and rope, as food and medicine, and (perhaps most notably) for its psychoactive properties for recreational use. The discovery of Δ9-tetrahydrocannabinol (Δ9-THC) as the main psychoactive phytocannabinoid contained in cannabis by Gaoni and Mechoulam in 1964 (J Am Chem Soc 86, 1646-1647), was the first major step in cannabis research; since then the identification of the chemicals (phytocannabinoids) present in cannabis, the classification of the pharmacological targets of these compounds and the discovery that the body has its own endocannabinoid system (ECS) have highlighted the potential value of cannabis-derived compounds in the treatment of many diseases, such as neurological disorders and cancers. Although the use of Δ9-THC as a therapeutic agent is constrained by its psychoactive properties, there is growing evidence that non-psychoactive phytocannabinoids, derived from both Cannabis sativa and other plant species, as well as non-cannabinoid compounds found in Cannabis sativa, have real potential as therapeutics. This chapter will focus on the possibilities for using these compounds in the prevention and treatment of cardiovascular disease and related metabolic disturbances.
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Affiliation(s)
- Cherry L Wainwright
- Centre for Cardiometabolic Health Research, School of Pharmacy & Life Sciences, Robert Gordon University, Aberdeen, Scotland, UK.
| | - Sarah K Walsh
- Centre for Cardiometabolic Health Research, School of Pharmacy & Life Sciences, Robert Gordon University, Aberdeen, Scotland, UK
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2
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Beausoleil C, Thébault A, Andersson P, Cabaton NJ, Ermler S, Fromenty B, Garoche C, Griffin JL, Hoffmann S, Kamstra JH, Kubickova B, Lenters V, Kos VM, Poupin N, Remy S, Sapounidou M, Zalko D, Legler J, Jacobs MN, Rousselle C. Weight of evidence evaluation of the metabolism disrupting effects of triphenyl phosphate using an expert knowledge elicitation approach. Toxicol Appl Pharmacol 2024; 489:116995. [PMID: 38862081 DOI: 10.1016/j.taap.2024.116995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/13/2024]
Abstract
Identification of Endocrine-Disrupting Chemicals (EDCs) in a regulatory context requires a high level of evidence. However, lines of evidence (e.g. human, in vivo, in vitro or in silico) are heterogeneous and incomplete for quantifying evidence of the adverse effects and mechanisms involved. To date, for the regulatory appraisal of metabolism-disrupting chemicals (MDCs), no harmonised guidance to assess the weight of evidence has been developed at the EU or international level. To explore how to develop this, we applied a formal Expert Knowledge Elicitation (EKE) approach within the European GOLIATH project. EKE captures expert judgment in a quantitative manner and provides an estimate of uncertainty of the final opinion. As a proof of principle, we selected one suspected MDC -triphenyl phosphate (TPP) - based on its related adverse endpoints (obesity/adipogenicity) relevant to metabolic disruption and a putative Molecular Initiating Event (MIE): activation of peroxisome proliferator activated receptor gamma (PPARγ). We conducted a systematic literature review and assessed the quality of the lines of evidence with two independent groups of experts within GOLIATH, with the objective of categorising the metabolic disruption properties of TPP, by applying an EKE approach. Having followed the entire process separately, both groups arrived at the same conclusion, designating TPP as a "suspected MDC" with an overall quantitative agreement exceeding 85%, indicating robust reproducibility. The EKE method provides to be an important way to bring together scientists with diverse expertise and is recommended for future work in this area.
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Affiliation(s)
- Claire Beausoleil
- French Agency for Food, Environmental and Occupational Health and Safety (Anses), 94701 Maisons-Alfort, France.
| | - Anne Thébault
- French Agency for Food, Environmental and Occupational Health and Safety (Anses), 94701 Maisons-Alfort, France
| | | | - Nicolas J Cabaton
- INRAE. UMR1331 Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UT3, 31027 Toulouse, France
| | - Sibylle Ermler
- Department of Life Sciences, Centre of Genome Engineering and Maintenance, College of Health, Medicine and Life Sciences, Brunel University London, UB8 3PH Uxbridge, United Kingdom
| | - Bernard Fromenty
- INSERM, Univ Rennes, INRAE, Institut NUMECAN (Nutrition Metabolisms and Cancer) UMR_A 1341, UMR_S 1317, F-35000 Rennes, France
| | - Clémentine Garoche
- Institut de Recherche en Cancérologie de Montpellier (IRCM), Inserm U1194, Université Montpellier, Institut Régional du Cancer de Montpellier (ICM), Montpellier, France
| | - Julian L Griffin
- The Rowett Institute, Foresterhill Health Campus, University of Aberdeen, Aberdeen, UK
| | | | - Jorke H Kamstra
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Utrecht University, Utrecht, the Netherlands
| | - Barbara Kubickova
- Radiation, Chemical and Environmental Hazards (RCE), Department of Toxicology, UK Health Security Agency (UKHSA), Harwell Science and Innovation Campus, Chilton OX11 0RQ, Oxon, United Kingdom
| | - Virissa Lenters
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Utrecht University, Utrecht, the Netherlands
| | - Vesna Munic Kos
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Nathalie Poupin
- INRAE. UMR1331 Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UT3, 31027 Toulouse, France
| | - Sylvie Remy
- Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | | | - Daniel Zalko
- INRAE. UMR1331 Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UT3, 31027 Toulouse, France
| | - Juliette Legler
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Utrecht University, Utrecht, the Netherlands
| | - Miriam N Jacobs
- Radiation, Chemical and Environmental Hazards (RCE), Department of Toxicology, UK Health Security Agency (UKHSA), Harwell Science and Innovation Campus, Chilton OX11 0RQ, Oxon, United Kingdom
| | - Christophe Rousselle
- French Agency for Food, Environmental and Occupational Health and Safety (Anses), 94701 Maisons-Alfort, France
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Vergès B, Vantyghem MC, Reznik Y, Duvillard L, Rouland A, Capel E, Vigouroux C. Hypertriglyceridemia Results From an Impaired Catabolism of Triglyceride-Rich Lipoproteins in PLIN1-Related Lipodystrophy. Arterioscler Thromb Vasc Biol 2024; 44:1873-1883. [PMID: 38899472 DOI: 10.1161/atvbaha.124.320774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Pathogenic variants in PLIN1-encoding PLIN1 (perilipin-1) are responsible for an autosomal dominant form of familial partial lipodystrophy (FPL) associated with severe insulin resistance, hepatic steatosis, and important hypertriglyceridemia. This study aims to decipher the mechanisms of hypertriglyceridemia associated with PLIN1-related FPL. METHODS We performed an in vivo lipoprotein kinetic study in 6 affected patients compared with 13 healthy controls and 8 patients with type 2 diabetes. Glucose and lipid parameters, including plasma LPL (lipoprotein lipase) mass, were measured. LPL mRNA and protein expression were evaluated in abdominal subcutaneous adipose tissue from patients with 5 PLIN1-mutated FPL and 3 controls. RESULTS Patients with PLIN1-mutated FPL presented with decreased fat mass, insulin resistance, and diabetes (glycated hemoglobin A1c, 6.68±0.70% versus 7.48±1.63% in patients with type 2 diabetes; mean±SD; P=0.27). Their plasma triglycerides were higher (5.96±3.08 mmol/L) than in controls (0.76±0.27 mmol/L; P<0.0001) and patients with type 2 diabetes (2.94±1.46 mmol/L, P=0.006). Compared with controls, patients with PLIN1-related FPL had a significant reduction of the indirect fractional catabolic rate of VLDL (very-low-density lipoprotein)-apoB100 toward IDL (intermediate-density lipoprotein)/LDL (low-density lipoprotein; 1.79±1.38 versus 5.34±2.45 pool/d; P=0.003) and the indirect fractional catabolic rate of IDL-apoB100 toward LDL (2.14±1.44 versus 7.51±4.07 pool/d; P=0.005). VLDL-apoB100 production was not different between patients with PLIN1-related FPL and controls. Compared with patients with type 2 diabetes, patients with PLIN1-related FPL also showed a significant reduction of the catabolism of both VLDL-apoB100 (P=0.031) and IDL-apoB100 (P=0.031). Plasma LPL mass was significantly lower in patients with PLIN1-related FPL than in controls (21.03±10.08 versus 55.76±13.10 ng/mL; P<0.0001), although the LPL protein expression in adipose tissue was similar. VLDL-apoB100 and IDL-apoB100 indirect fractional catabolic rates were negatively correlated with plasma triglycerides and positively correlated with LPL mass. CONCLUSIONS We show that hypertriglyceridemia associated with PLIN1-related FPL results from a marked decrease in the catabolism of triglyceride-rich lipoproteins (VLDL and IDL). This could be due to a pronounced reduction in LPL availability, related to the decreased adipose tissue mass.
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MESH Headings
- Humans
- Male
- Perilipin-1/genetics
- Perilipin-1/metabolism
- Perilipin-1/blood
- Triglycerides/blood
- Hypertriglyceridemia/blood
- Hypertriglyceridemia/genetics
- Female
- Adult
- Middle Aged
- Case-Control Studies
- Diabetes Mellitus, Type 2/blood
- Diabetes Mellitus, Type 2/genetics
- Diabetes Mellitus, Type 2/complications
- Lipoproteins/blood
- Insulin Resistance
- Lipoprotein Lipase/blood
- Lipoprotein Lipase/metabolism
- Lipoprotein Lipase/genetics
- Lipodystrophy, Familial Partial/genetics
- Lipodystrophy, Familial Partial/blood
- Lipodystrophy, Familial Partial/metabolism
- Mutation
- Blood Glucose/metabolism
- Lipoproteins, VLDL/blood
- Lipoproteins, VLDL/metabolism
- Biomarkers/blood
- Phenotype
- Genetic Predisposition to Disease
- Lipolysis
- RNA, Messenger/metabolism
- RNA, Messenger/genetics
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Affiliation(s)
- Bruno Vergès
- Department of Endocrinology, Diabetology and Metabolic Diseases (B.V., A.R.), University Hospital, Dijon, France
- University of Burgundy, INSERM (Institut national de la santé et de la recherche médicale) CTM (Centre de recherche Translationnelle en Médecine moléculaire) UMR1231, Dijon, France (B.V., L.D., A.R.)
| | - Marie-Christine Vantyghem
- Department of Endocrinology, Diabetology, and Metabolism, University of Lille, CHU (Centre Hospitalier Universitaire) Lille, France (M.C.V.)
- Université Lille, U1190 Translational Research for Diabetes, INSERM, Institut Pasteur de Lille, France (M.C.V.)
| | - Yves Reznik
- Department of Endocrinology, University Hospital, Caen, France (Y.R.)
| | - Laurence Duvillard
- Department of Biochemistry (L.D.), University Hospital, Dijon, France
- University of Burgundy, INSERM (Institut national de la santé et de la recherche médicale) CTM (Centre de recherche Translationnelle en Médecine moléculaire) UMR1231, Dijon, France (B.V., L.D., A.R.)
| | - Alexia Rouland
- Department of Endocrinology, Diabetology and Metabolic Diseases (B.V., A.R.), University Hospital, Dijon, France
- University of Burgundy, INSERM (Institut national de la santé et de la recherche médicale) CTM (Centre de recherche Translationnelle en Médecine moléculaire) UMR1231, Dijon, France (B.V., L.D., A.R.)
| | - Emilie Capel
- Inserm U938, Saint-Antoine Research Centre, Institute of Cardiometabolism and Nutrition, Sorbonne University, Paris, France (E.C., C.V.)
| | - Corinne Vigouroux
- Inserm U938, Saint-Antoine Research Centre, Institute of Cardiometabolism and Nutrition, Sorbonne University, Paris, France (E.C., C.V.)
- Department of Molecular Biology and Genetics (C.V.), Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, France
- Department of Endocrinology, Diabetology and Reproductive Endocrinology, National Reference Center for Rare Diseases of Insulin Secretion and Insulin Sensitivity (C.V.), Assistance Publique-Hôpitaux de Paris, Saint-Antoine University Hospital, France
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Flores-Sierra JDJ, Muciño-Arellano MDR, Romo-Morales GDC, Sánchez-Palafox JE, Correa-Navarro VA, Colín-Castelán D, Pérez-Vázquez V, Rangel-Salazar R, Rivera-Bustamante R, de la Rocha C, Rodríguez-Ríos D, Trejo-Saavedra DL, Molina-Torres J, Ramírez-Chávez E, García-Rojas NS, Winkler R, Lund G, Zaina S. The DNA methyltransferase inhibitor decitabine blunts the response to a high-animal fat and protein diet in mice. J Lipid Res 2024; 65:100586. [PMID: 38942113 PMCID: PMC11325794 DOI: 10.1016/j.jlr.2024.100586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 06/30/2024] Open
Abstract
Increasing evidence hints that DNA hypermethylation may mediate the pathogenic response to cardiovascular risk factors. Here, we tested a corollary of that hypothesis, that is, that the DNA methyltransferase inhibitor decitabine (Dec) ameliorates the metabolic profile of mice fed a moderately high-animal fat and protein diet (HAFPD), a proxy of cardiovascular risk-associated Western-type diet. HAFPD-fed mice were exposed to Dec or vehicle for eight weeks (8W set, 4-32/group). To assess any memory of past exposure to Dec, we surveyed a second mice set treated as 8W but HAFPD-fed for further eight weeks without any Dec (16W set, 4-20/group). In 8W, Dec markedly reduced HAFPD-induced body weight gain in females, but marginally in males. Characterization of females revealed that Dec augmented skeletal muscle lipid content, while decreasing liver fat content and increasing plasma nonesterified fatty acids, adipose insulin resistance, and-although marginally-whole blood acylcarnitines, compared to HAFPD alone. Skeletal muscle mitochondrial DNA copy number was higher in 8W mice exposed to HAFPD and Dec, or in 16W mice fed HAFPD only, relative to 8W mice fed HAFPD only, but Dec induced a transcriptional profile indicative of ameliorated mitochondrial function. Memory of past Dec exposure was tissue-specific and sensitive to both duration of exposure to HAFPD and age. In conclusion, Dec redirected HAFPD-induced lipid accumulation toward the skeletal muscle, likely due to augmented mitochondrial functionality and increased lipid demand. As caveat, Dec induced adipose insulin resistance. Our findings may help identifying strategies for prevention and treatment of lipid dysmetabolism.
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Affiliation(s)
- José de Jesús Flores-Sierra
- Division of Health Sciences, Department of Medical Sciences, Leon Campus, University of Guanajuato, Leon, Mexico; Tecnológico Nacional de México/ITS de Purísima del Rincón, Purísima del Rincón, Guanajuato, Mexico
| | | | | | | | | | - Dannia Colín-Castelán
- Division of Health Sciences, Department of Medical Sciences, Leon Campus, University of Guanajuato, Leon, Mexico
| | - Victoriano Pérez-Vázquez
- Division of Health Sciences, Department of Medical Sciences, Leon Campus, University of Guanajuato, Leon, Mexico
| | - Rubén Rangel-Salazar
- Division of Health Sciences, Department of Medical Sciences, Leon Campus, University of Guanajuato, Leon, Mexico
| | | | - Carmen de la Rocha
- Department of Genetic Engineering, CINVESTAV Irapuato Unit, Irapuato, Mexico
| | | | | | - Jorge Molina-Torres
- Department of Biotechnology and Biochemistry, CINVESTAV Irapuato Unit, Irapuato, Mexico
| | | | | | | | - Gertrud Lund
- Department of Genetic Engineering, CINVESTAV Irapuato Unit, Irapuato, Mexico.
| | - Silvio Zaina
- Division of Health Sciences, Department of Medical Sciences, Leon Campus, University of Guanajuato, Leon, Mexico.
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Parchem K, Letsiou S, Petan T, Oskolkova O, Medina I, Kuda O, O'Donnell VB, Nicolaou A, Fedorova M, Bochkov V, Gladine C. Oxylipin profiling for clinical research: Current status and future perspectives. Prog Lipid Res 2024; 95:101276. [PMID: 38697517 DOI: 10.1016/j.plipres.2024.101276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Oxylipins are potent lipid mediators with increasing interest in clinical research. They are usually measured in systemic circulation and can provide a wealth of information regarding key biological processes such as inflammation, vascular tone, or blood coagulation. Although procedures still require harmonization to generate comparable oxylipin datasets, performing comprehensive profiling of circulating oxylipins in large studies is feasible and no longer restricted by technical barriers. However, it is essential to improve and facilitate the biological interpretation of complex oxylipin profiles to truly leverage their potential in clinical research. This requires regular updating of our knowledge about the metabolism and the mode of action of oxylipins, and consideration of all factors that may influence circulating oxylipin profiles independently of the studied disease or condition. This review aims to provide the readers with updated and necessary information regarding oxylipin metabolism, their different forms in systemic circulation, the current limitations in deducing oxylipin cellular effects from in vitro bioactivity studies, the biological and technical confounding factors needed to consider for a proper interpretation of oxylipin profiles.
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Affiliation(s)
- Karol Parchem
- Department of Food Chemistry, Technology and Biotechnology, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza St., 80-233 Gdańsk, Poland; Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic.
| | - Sophia Letsiou
- Department of Biomedical Sciences, University of West Attica, Ag. Spiridonos St. Egaleo, 12243 Athens, Greece.
| | - Toni Petan
- Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia.
| | - Olga Oskolkova
- Institute of Pharmaceutical Sciences, University of Graz, Humboldtstrasse 46/III, 8010 Graz, Austria.
| | - Isabel Medina
- Instituto de Investigaciones Marinas-Consejo Superior de Investigaciones Científicas (IIM-CSIC), Eduardo Cabello 6, E-36208 Vigo, Spain.
| | - Ondrej Kuda
- Institute of Physiology, Czech Academy of Sciences, Videnska 1083, 14200 Prague, Czech Republic.
| | - Valerie B O'Donnell
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK.
| | - Anna Nicolaou
- School of Health Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester M13 9NT, UK.
| | - Maria Fedorova
- Center of Membrane Biochemistry and Lipid Research, University Hospital and Faculty of Medicine Carl Gustav Carus of TU Dresden, 01307 Dresden, Germany.
| | - Valery Bochkov
- Institute of Pharmaceutical Sciences, University of Graz, Humboldtstrasse 46/III, 8010 Graz, Austria.
| | - Cécile Gladine
- Université Clermont Auvergne, INRAE, UNH, Clermont-Ferrand, France.
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Mattelaer N, Van der Schueren B, Van Oudenhove L, Weltens N, Vangoitsenhoven R. The circulating and central endocannabinoid system in obesity and weight loss. Int J Obes (Lond) 2024:10.1038/s41366-024-01553-z. [PMID: 38834796 DOI: 10.1038/s41366-024-01553-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 05/13/2024] [Accepted: 05/23/2024] [Indexed: 06/06/2024]
Abstract
Major advances have been made in obesity treatment, focusing on restoring disturbances along the gut-brain axis. The endocannabinoid system (ECS) is a neuromodulatory signaling system, present along the entire gut-brain axis, that plays a critical role in central and peripheral regulation of food intake and body weight. Evidence on the impact of weight loss on the ECS is, however, more limited. Therefore, we set out to review the existing literature for changes in central and circulating endocannabinoid levels after bariatric surgery and other weight loss strategies in humans. The PubMed, Embase and Web of Science databases were searched for relevant articles. Fifty-six human studies were identified. Most studies measuring circulating 2-arachidonoylglycerol (2-AG) found no difference between normal weight and obesity, or no correlation with BMI. In contrast, studies measuring circulating arachidonoylethanolamine (AEA) found an increase or positive correlation with BMI. Two studies found a negative correlation between BMI and cannabinoid receptor type 1 (CB1) receptor availability in the brain. Only one study investigated the effect of pharmacological weight management on circulating endocannabinoid concentrations and found no effect on AEA concentrations. So far, six studies investigated potential changes in circulating endocannabinoids after bariatric surgery and reported conflicting results. Available evidence does not univocally support that circulating endocannabinoids are upregulated in individuals with obesity, which may be explained by variability across studies in several potential confounding factors (e.g. age and sex) as well as heterogeneity within the obesity population (e.g. BMI only vs. intra-abdominal adiposity). While several studies investigated the effect of lifestyle interventions on the circulating ECS, more studies are warranted that focus on pharmacologically and surgically induced weight loss. In addition, we identified several research needs which should be fulfilled to better understand the role of the ECS in obesity and its treatments.
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Affiliation(s)
- Nele Mattelaer
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Laboratory for Brain-Gut Axis Studies, Translational Research in Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Bart Van der Schueren
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies, Translational Research in Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Nathalie Weltens
- Laboratory for Brain-Gut Axis Studies, Translational Research in Gastrointestinal Disorders, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Roman Vangoitsenhoven
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium.
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7
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Hateley C, Olona A, Halliday L, Edin ML, Ko JH, Forlano R, Terra X, Lih FB, Beltrán-Debón R, Manousou P, Purkayastha S, Moorthy K, Thursz MR, Zhang G, Goldin RD, Zeldin DC, Petretto E, Behmoaras J. Multi-tissue profiling of oxylipins reveal a conserved up-regulation of epoxide:diol ratio that associates with white adipose tissue inflammation and liver steatosis in obesity. EBioMedicine 2024; 103:105127. [PMID: 38677183 PMCID: PMC11061246 DOI: 10.1016/j.ebiom.2024.105127] [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: 11/24/2023] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Obesity drives maladaptive changes in the white adipose tissue (WAT) which can progressively cause insulin resistance, type 2 diabetes mellitus (T2DM) and metabolic dysfunction-associated liver disease (MASLD). Obesity-mediated loss of WAT homeostasis can trigger liver steatosis through dysregulated lipid pathways such as those related to polyunsaturated fatty acid (PUFA)-derived oxylipins. However, the exact relationship between oxylipins and metabolic syndrome remains elusive and cross-tissue dynamics of oxylipins are ill-defined. METHODS We quantified PUFA-related oxylipin species in the omental WAT, liver biopsies and plasma of 88 patients undergoing bariatric surgery (female N = 79) and 9 patients (female N = 4) undergoing upper gastrointestinal surgery, using UPLC-MS/MS. We integrated oxylipin abundance with WAT phenotypes (adipogenesis, adipocyte hypertrophy, macrophage infiltration, type I and VI collagen remodelling) and the severity of MASLD (steatosis, inflammation, fibrosis) quantified in each biopsy. The integrative analysis was subjected to (i) adjustment for known risk factors and, (ii) control for potential drug-effects through UPLC-MS/MS analysis of metformin-treated fat explants ex vivo. FINDINGS We reveal a generalized down-regulation of cytochrome P450 (CYP)-derived diols during obesity conserved between the WAT and plasma. Notably, epoxide:diol ratio, indicative of soluble epoxide hydrolyse (sEH) activity, increases with WAT inflammation/fibrosis, hepatic steatosis and T2DM. Increased 12,13-EpOME:DiHOME in WAT and liver is a marker of worsening metabolic syndrome in patients with obesity. INTERPRETATION These findings suggest a dampened sEH activity and a possible role of fatty acid diols during metabolic syndrome in major metabolic organs such as WAT and liver. They also have implications in view of the clinical trials based on sEH inhibition for metabolic syndrome. FUNDING Wellcome Trust (PS3431_WMIH); Duke-NUS (Intramural Goh Cardiovascular Research Award (Duke-NUS-GCR/2022/0020); National Medical Research Council (OFLCG22may-0011); National Institute of Environmental Health Sciences (Z01 ES025034); NIHR Imperial Biomedical Research Centre.
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Affiliation(s)
- Charlotte Hateley
- Centre for Inflammatory Disease, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Antoni Olona
- Centre for Computational Biology and Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Singapore, Singapore
| | - Laura Halliday
- Department of Surgery and Cancer, Imperial College London, UK
| | - Matthew L Edin
- Division of Intramural Research, NIEHS/NIH, Research Triangle Park, NC, USA
| | - Jeong-Hun Ko
- Division of Brain Sciences, Imperial College Faculty of Medicine, London, UK
| | - Roberta Forlano
- Department of Metabolism, Digestion and Reproduction, Imperial College London, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Ximena Terra
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, MoBioFood Research Group, Tarragona, Spain
| | - Fred B Lih
- Division of Intramural Research, NIEHS/NIH, Research Triangle Park, NC, USA
| | - Raúl Beltrán-Debón
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, MoBioFood Research Group, Tarragona, Spain
| | - Penelopi Manousou
- Department of Metabolism, Digestion and Reproduction, Imperial College London, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Sanjay Purkayastha
- Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK; University of Brunel, Kingston Lane, Uxbridge, London, UB8 3PH, UK
| | - Krishna Moorthy
- Department of Surgery and Cancer, Imperial College London, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Mark R Thursz
- Department of Metabolism, Digestion and Reproduction, Imperial College London, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Guodong Zhang
- Department of Nutrition, College of Agriculture and Environmental Sciences, 3135 Meyer Hall, One Shields Avenue, UC Davis, Davis, CA, 95616, USA
| | - Robert D Goldin
- Department of Metabolism, Digestion and Reproduction, Imperial College London, UK; Imperial College Healthcare NHS Trust, St. Mary's Hospital, Praed Street, London, W2 1NY, UK
| | - Darryl C Zeldin
- Division of Intramural Research, NIEHS/NIH, Research Triangle Park, NC, USA
| | - Enrico Petretto
- Centre for Computational Biology and Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Singapore, Singapore; Institute for Big Data and Artificial Intelligence in Medicine, School of Science, China Pharmaceutical University (CPU), Nanjing, China
| | - Jacques Behmoaras
- Centre for Inflammatory Disease, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN, UK; Centre for Computational Biology and Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Singapore, Singapore.
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8
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Cheng W, Lin X, Wang T, Zhang X, Xu F, Wang L, Wang M, Zhang M, Xia T, Zhang D, Qian S, Yang W, Hu A, Tang M, Hu X, Wang Y, Zhao Q. Healthy plant-based diet might be inversely associated with gastric precancerous lesions: new evidence from a case-control study based on dietary pattern and fecal metabolic profiling. Int J Food Sci Nutr 2024; 75:102-118. [PMID: 37941094 DOI: 10.1080/09637486.2023.2279916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/01/2023] [Indexed: 11/10/2023]
Abstract
Preventing the progression of gastric precancerous lesions (GPLs) can reduce the morbidity and mortality of gastric cancer (GC). The preventive effect of a plant-based diet on cancers has been widely recognised. In this case-control study, 1,130 subjects were included using 1:1 propensity score matching for age and sex. Dietary habits, anthropometry and sample collection were conducted using standard and effective methods. Plant-based diet indices (PDIs) were calculated using a previously reported method. Faecal samples were analysed by untargeted metabolomics. Our study found that adherence to a healthy plant-based diet was inversely associated with the occurrence of GPLs. Metabolomic analysis identified six different metabolites correlated with GPLs, among which luteolin-related metabolites may be used as biomarkers of the association between PDIs and GPLs. In addition, the difference in N-acyl amides found in PDIs needs further verification. Our findings suggest that a healthy plant-based diet may have a protective effect against GPLs.
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Affiliation(s)
- Wenli Cheng
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Xiao Lin
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Tingting Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Xiaohui Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Fang Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Li Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Min Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Meng Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Tao Xia
- Department of Gastroenterology, Lujiang County People's Hospital, Hefei, China
| | - Daoming Zhang
- Department of Gastroenterology, Lujiang County People's Hospital, Hefei, China
| | - Shiqing Qian
- Department of Pathology, Lujiang County People's Hospital, Hefei, China
| | - Wanshui Yang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Anla Hu
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Min Tang
- Department of Gastroenterology and Hepatology, the Fourth Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiangpeng Hu
- Department of Gastroenterology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yalei Wang
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Qihong Zhao
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
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9
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Jiang W, Jin Q, Li C, Xun Y. A Plasma Exosomal Metabolic Profiling of Nonalcoholic Fatty Liver Disease Patients Complicated with Impaired Fasting Glucose. THE TURKISH JOURNAL OF GASTROENTEROLOGY : THE OFFICIAL JOURNAL OF TURKISH SOCIETY OF GASTROENTEROLOGY 2024; 35:125-135. [PMID: 38454244 PMCID: PMC10895878 DOI: 10.5152/tjg.2024.22739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/03/2023] [Indexed: 03/09/2024]
Abstract
BACKGROUND/AIMS Nonalcoholic fatty liver disease is considered as the hepatic manifestation of metabolic syndrome. Detection of circulating exosomes together with metabolomic analysis of their cargo would provide early signals for metabolic derangements and complications associated with nonalcoholic fatty liver disease. Therefore, this study profiled exosomal metabolome of patients with nonalcoholic fatty liver disease and impaired fasting glucose. MATERIALS AND METHODS Plasma exosomes were extracted from nonalcoholic fatty liver disease patients with or without impaired fasting glucose through differential ultracentrifugation. Their metabolite profiles were examined by ultrahigh-performance liquid chrom atography-quadrupole time-of-flight mass spectrometry. Pathway analysis was carried out on platform MetaboAnalyst 4.0. RESULTS Thirty-nine patients were enrolled, including nonalcoholic fatty liver disease-alone group (n = 26) and age-and gender-comparable nonalcoholic fatty liver disease plus impaired fasting glucose group (n = 13). Although less than and different from their plasma counterparts, a total of 10 significantly differential exosomal metabolites were identified. Nonalcoholic fatty liver disease plus impaired fasting glucose group had higher concentrations of linoleic acid, palmitamide, stearamide, and oleamide, as well as a lower concentration of phosphatidylethanolamine [20:5(5Z,8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)]. Pathway analysis showed an obviously changed metabolism of linoleic acid. CONCLUSION Metabolomic analysis of plasma exosomes revealed a distinct change in fatty acids and related pathways in nonalcoholic fatty liver disease patients with impaired fasting glucose. These preliminary results provide a metabolomic snapshot and basis for further investigation of exosome biology for these patients.
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Affiliation(s)
- Weiyun Jiang
- Department of Liver Disease, Hangzhou Sixth People’s Hospital/Xixi Hospital of Hangzhou Afflicted to Zhejiang University, Hangzhou, China
| | - Qiaofei Jin
- Department of Liver Disease, Hangzhou Sixth People’s Hospital/Xixi Hospital of Hangzhou Afflicted to Zhejiang University, Hangzhou, China
| | - Chunqing Li
- Department of Liver Disease, Hangzhou Sixth People’s Hospital/Xixi Hospital of Hangzhou Afflicted to Zhejiang University, Hangzhou, China
| | - Yunhao Xun
- Department of Liver Disease, Hangzhou Sixth People’s Hospital/Xixi Hospital of Hangzhou Afflicted to Zhejiang University, Hangzhou, China
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10
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Liang N, Harsch BA, Zhou S, Borkowska A, Shearer GC, Kaddurah-Daouk R, Newman JW, Borkowski K. Oxylipin transport by lipoprotein particles and its functional implications for cardiometabolic and neurological disorders. Prog Lipid Res 2024; 93:101265. [PMID: 37979798 DOI: 10.1016/j.plipres.2023.101265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 10/17/2023] [Accepted: 11/13/2023] [Indexed: 11/20/2023]
Abstract
Lipoprotein metabolism is critical to inflammation. While the periphery and central nervous system (CNS) have separate yet connected lipoprotein systems, impaired lipoprotein metabolism is implicated in both cardiometabolic and neurological disorders. Despite the substantial investigation into the composition, structure and function of lipoproteins, the lipoprotein oxylipin profiles, their influence on lipoprotein functions, and their potential biological implications are unclear. Lipoproteins carry most of the circulating oxylipins. Importantly, lipoprotein-mediated oxylipin transport allows for endocrine signaling by these lipid mediators, long considered to have only autocrine and paracrine functions. Alterations in plasma lipoprotein oxylipin composition can directly impact inflammatory responses of lipoprotein metabolizing cells. Similar investigations of CNS lipoprotein oxylipins are non-existent to date. However, as APOE4 is associated with Alzheimer's disease-related microglia dysfunction and oxylipin dysregulation, ApoE4-dependent lipoprotein oxylipin modulation in neurological pathologies is suggested. Such investigations are crucial to bridge knowledge gaps linking oxylipin- and lipoprotein-related disorders in both periphery and CNS. Here, after providing a summary of existent literatures on lipoprotein oxylipin analysis methods, we emphasize the importance of lipoproteins in oxylipin transport and argue that understanding the compartmentalization and distribution of lipoprotein oxylipins may fundamentally alter our consideration of the roles of lipoprotein in cardiometabolic and neurological disorders.
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Affiliation(s)
- Nuanyi Liang
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA 95616, USA
| | - Brian A Harsch
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Sitong Zhou
- Department of Pathology and Laboratory Medicine, University of California Davis, Davis, CA 95616, USA
| | - Alison Borkowska
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Gregory C Shearer
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Rima Kaddurah-Daouk
- Department of Psychiatry and Behavioral Sciences, Duke Institute for Brain Sciences and Department of Medicine, Duke University, Durham, NC, 27708, USA; Duke Institute of Brain Sciences, Duke University, Durham, NC, USA; Department of Medicine, Duke University, Durham, NC, USA
| | - John W Newman
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA 95616, USA; Department of Nutrition, University of California - Davis, Davis, CA 95616, USA; Western Human Nutrition Research Center, United States Department of Agriculture - Agriculture Research Service, Davis, CA 95616, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA 95616, USA.
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11
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Visintin L, García Nicolás M, Vangeenderhuysen P, Goessens T, Alladio E, Pomian B, Vanhaecke L, De Saeger S, De Boevre M. Unraveling biomarkers of exposure for tenuazonic acid through urinary metabolomics. Food Chem Toxicol 2023; 182:114183. [PMID: 37951345 PMCID: PMC10733712 DOI: 10.1016/j.fct.2023.114183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/13/2023]
Abstract
Mycotoxins are secondary metabolites produced by fungi such as Aspergillus, Alternaria, and Penicillium, affecting nearly 80% of global food crops. Tenuazonic acid (TeA) is the major mycotoxin produced by Alternaria alternata, a prevalent pathogen affecting plants, fruits, and vegetables. TeA is notably prevalent in European diets, however, TeA biomarkers of exposure and metabolites remain unknown. This research aims to bridge this knowledge-gap by gaining insights about human TeA exposure and metabolization. Nine subjects were divided into two groups. The first group received a single bolus of TeA at the Threshold of Toxicological Concern (TTC) to investigate the presence of TeA urinary biomarkers, while the second group served as a control. Sixty-nine urinary samples were prepared and analyzed using UPLC-Xevo TQ-XS for TeA quantification and UPLC-Orbitrap Exploris for polar metabolome acquisition. TeA was rapidly excreted during the first 13 h and the fraction extracted was 0.39 ± 0.22. The polar metabolome compounds effectively discriminating the two groups were filtered using Orthogonal Partial Least Squares-Discriminant Analysis and subsequently annotated (n = 122) at confidence level 4. Finally, the urinary metabolome was compared to in silico predicted TeA metabolites. Nine metabolites, including oxidized, N-alkylated, desaturated, glucuronidated, and sulfonated forms of TeA were detected.
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Affiliation(s)
- Lia Visintin
- Centre of Excellence in Mycotoxicology and Public Health, Faculty of Pharmaceutical Sciences, Ghent University, B-9000, Ghent, Belgium.
| | - María García Nicolás
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence Campus Mare Nostrum, University of Murcia, E-30100, Murcia, Spain
| | - Pablo Vangeenderhuysen
- Laboratory of Integrative Metabolomics, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Tess Goessens
- Centre of Excellence in Mycotoxicology and Public Health, Faculty of Pharmaceutical Sciences, Ghent University, B-9000, Ghent, Belgium
| | - Eugenio Alladio
- Regional Anti-doping and Toxicological Centre, 10043, Orbassano, Italy; Department of Chemistry, University of Torino, 10125, Torino, Italy
| | - Beata Pomian
- Laboratory of Integrative Metabolomics, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium
| | - Lynn Vanhaecke
- Laboratory of Integrative Metabolomics, Faculty of Veterinary Medicine, Ghent University, B-9820, Merelbeke, Belgium; Institute for Global Food Security, School of Biological Sciences, Queen's University, BT9 5DL, Belfast, United Kingdom
| | - Sarah De Saeger
- Centre of Excellence in Mycotoxicology and Public Health, Faculty of Pharmaceutical Sciences, Ghent University, B-9000, Ghent, Belgium; Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus, Gauteng, South Africa
| | - Marthe De Boevre
- Centre of Excellence in Mycotoxicology and Public Health, Faculty of Pharmaceutical Sciences, Ghent University, B-9000, Ghent, Belgium.
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12
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Anita NZ, Kwan F, Ryoo SW, Major-Orfao C, Lin WZ, Noor S, Lanctôt KL, Herrmann N, Oh PI, Shah BR, Gilbert J, Assal A, Halperin IJ, Taha AY, Swardfager W. Cytochrome P450-soluble epoxide hydrolase derived linoleic acid oxylipins and cognitive performance in type 2 diabetes. J Lipid Res 2023; 64:100395. [PMID: 37245563 PMCID: PMC10394387 DOI: 10.1016/j.jlr.2023.100395] [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: 02/11/2023] [Revised: 05/03/2023] [Accepted: 05/21/2023] [Indexed: 05/30/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) increases the risk of cognitive decline and dementia. Disruptions in the cytochrome P450-soluble epoxide hydrolase (CYP450-sEH) pathway have been reported in T2DM, obesity and cognitive impairment. We examine linoleic acid (LA)-derived CYP450-sEH oxylipins and cognition in T2DM and explore potential differences between obese and nonobese individuals. The study included 51 obese and 57 nonobese participants (mean age 63.0 ± 9.9, 49% women) with T2DM. Executive function was assessed using the Stroop Color-Word Interference Test, FAS-Verbal Fluency Test, Digit Symbol Substitution Test, and Trails Making Test-Part B. Verbal memory was assessed using the California Verbal Learning Test, second Edition. Four LA-derived oxylipins were analyzed by ultra-high-pressure-LC/MS, and the 12,13-dihydroxyoctadecamonoenoic acid (12,13-DiHOME) considered the main species of interest. Models controlled for age, sex, BMI, glycosylated hemoglobin A1c, diabetes duration, depression, hypertension, and education. The sEH-derived 12,13-DiHOME was associated with poorer executive function scores (F1,98 = 7.513, P = 0.007). The CYP450-derived 12(13)-epoxyoctadecamonoenoic acid (12(13)-EpOME) was associated with poorer executive function and verbal memory scores (F1,98 = 7.222, P = 0.008 and F1,98 = 4.621, P = 0.034, respectively). There were interactions between obesity and the 12,13-DiHOME/12(13)-EpOME ratio (F1,97 = 5.498, P = 0.021) and between obesity and 9(10)-epoxyoctadecamonoenoic acid (9(10)-EpOME) concentrations (F1,97 = 4.126, P = 0.045), predicting executive function such that relationships were stronger in obese individuals. These findings suggest that the CYP450-sEH pathway as a potential therapeutic target for cognitive decline in T2DM. For some markers, relationships may be obesity dependent.
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Affiliation(s)
- Natasha Z Anita
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Felicia Kwan
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Si Won Ryoo
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Chelsi Major-Orfao
- Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - William Z Lin
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Shiropa Noor
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Krista L Lanctôt
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Nathan Herrmann
- Sunnybrook Research Institute, Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Paul I Oh
- KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada
| | - Baiju R Shah
- Sunnybrook Research Institute, Toronto, ON, Canada; Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | | | - Angela Assal
- Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | | | - Ameer Y Taha
- Department of Food Science and Technology, College of Agriculture and Environmental Sciences, University of California, Davis, CA, USA; West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, USA; Center for Neuroscience, University of California, Davis, Davis, CA, USA
| | - Walter Swardfager
- Department of Pharmacology & Toxicology, University of Toronto, Toronto, ON, Canada; Sunnybrook Research Institute, Toronto, ON, Canada; KITE Research Institute, Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.
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13
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Watkins BA, Newman JW, Kuchel GA, Fiehn O, Kim J. Dietary Docosahexaenoic Acid and Glucose Systemic Metabolic Changes in the Mouse. Nutrients 2023; 15:2679. [PMID: 37375583 DOI: 10.3390/nu15122679] [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: 05/02/2023] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
The endocannabinoid system (ECS) participates in regulating whole body energy balance. Overactivation of the ECS has been associated with the negative consequence of obesity and type 2 diabetes. Since activators of the ECS rely on lipid-derived ligands, an investigation was conducted to determine whether dietary PUFA could influence the ECS to affect glucose clearance by measuring metabolites of macronutrient metabolism. C57/blk6 mice were fed a control or DHA-enriched semi-purified diet for a period of 112 d. Plasma, skeletal muscle, and liver were collected after 56 d and 112 d of feeding the diets for metabolomics analysis. Key findings characterized a shift in glucose metabolism and greater catabolism of fatty acids in mice fed the DHA diet. Glucose use and promotion of fatty acids as substrate were found based on levels of metabolic pathway intermediates and altered metabolic changes related to pathway flux with DHA feeding. Greater levels of DHA-derived glycerol lipids were found subsequently leading to the decrease of arachidonate-derived endocannabinoids (eCB). Levels of 1- and 2-arachidonylglcerol eCB in muscle and liver were lower in the DHA diet group compared to controls. These findings demonstrate that DHA feeding in mice alters macronutrient metabolism and may restore ECS tone by lowering arachidonic acid derived eCB.
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Affiliation(s)
- Bruce A Watkins
- Department of Nutrition, University of California, Davis, Davis, CA 95616, USA
- Center on Aging, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - John W Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
| | - George A Kuchel
- Center on Aging, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - Oliver Fiehn
- NIH UC Davis West Coast Metabolomics Center, Davis, CA 95616, USA
| | - Jeffrey Kim
- Genome and Biomedical Sciences Facility, University of California, Davis, Davis, CA 95616, USA
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14
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Jurado-Fasoli L, Osuna-Prieto FJ, Yang W, Kohler I, Di X, Rensen PCN, Castillo MJ, Martinez-Tellez B, Amaro-Gahete FJ. High omega-6/omega-3 fatty acid and oxylipin ratio in plasma is linked to an adverse cardiometabolic profile in middle-aged adults. J Nutr Biochem 2023; 117:109331. [PMID: 36967095 DOI: 10.1016/j.jnutbio.2023.109331] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 12/09/2022] [Accepted: 03/18/2023] [Indexed: 04/16/2023]
Abstract
Omega-6 and omega-3 oxylipins may be surrogate markers of systemic inflammation, which is one of the triggers for the development of cardiometabolic disorders. In the current study, we investigated the relationship between plasma levels of omega-6 and omega-3 oxylipins with body composition and cardiometabolic risk factors in middle-aged adults. Seventy-two 72 middle-aged adults (39 women; 53.6±5.1 years old; 26.7±3.8 kg/m2) were included in this cross-sectional study. Plasma levels of omega-6 and omega-3 fatty acids and oxylipins were determined using targeted lipidomic. Body composition, dietary intake, and cardiometabolic risk factors were assessed with standard methods. The plasma levels of the omega-6 fatty acids and derived oxylipins, the hydroxyeicosatetraenoic acids (HETEs; arachidonic acid (AA)-derived oxylipins) and dihydroxy-eicosatrienoic acids (DiHETrEs; AA-derived oxylipins), were positively associated with glucose metabolism parameters (i.e., insulin levels and homeostatic model assessment of insulin resistance index (HOMA); all r≥0.21, P<.05). In contrast, plasma levels of omega-3 fatty acids and derived oxylipins, specifically hydroxyeicosapentaenoic acids (HEPEs; eicosapentaenoic acid-derived oxylipins), as well as series-3 prostaglandins, were negatively associated with plasma glucose metabolism parameters (i.e., insulin levels, HOMA; all r≤0.20, P<.05). The plasma levels of omega-6 fatty acids and derived oxylipins, HETEs and DiHETrEs were also positively correlated with liver function parameters (i.e., glutamic pyruvic transaminase, gamma-glutamyl transferase (GGT), and fatty liver index; all r≥0.22 and P<.05). In addition, individuals with higher omega-6/omega-3 fatty acid and oxylipin ratio showed higher levels of HOMA, total cholesterol, low-density lipoprotein-cholesterol, triglycerides, and GGT (on average +36%), as well as lower levels of high-density lipoprotein cholesterol (-13%) (all P<.05). In conclusion, the omega-6/omega-3 fatty acid and oxylipin ratio, as well as specific omega-6 and omega-3 oxylipins plasma levels, reflect an adverse cardiometabolic profile in terms of higher insulin resistance and impaired liver function in middle-aged adults.
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Affiliation(s)
- Lucas Jurado-Fasoli
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain; Department of Physical Education and Sports, Faculty of Sport Sciences, PROmoting FITness and Health through Physical Activity Research Group (PROFITH), Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain.
| | - Francisco J Osuna-Prieto
- Department of Physical Education and Sports, Faculty of Sport Sciences, PROmoting FITness and Health through Physical Activity Research Group (PROFITH), Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain; Department of Analytical Chemistry, University of Granada, Granada, Spain
| | - Wei Yang
- Division of Systems Biomedicine and Pharmacology, Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | - Isabelle Kohler
- Division of BioAnalytical Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Center for Analytical Sciences Amsterdam, Amsterdam, the Netherlands
| | - Xinyu Di
- Division of Systems Biomedicine and Pharmacology, Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | - Patrick C N Rensen
- Department of Medicine, Division of Endocrinology, and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Manuel J Castillo
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain
| | - Borja Martinez-Tellez
- Department of Physical Education and Sports, Faculty of Sport Sciences, PROmoting FITness and Health through Physical Activity Research Group (PROFITH), Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain; Department of Medicine, Division of Endocrinology, and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands; Department of Education, Faculty of Education Sciences and SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, Almería, Spain
| | - Francisco J Amaro-Gahete
- Department of Physiology, Faculty of Medicine, University of Granada, Granada, Spain; Department of Physical Education and Sports, Faculty of Sport Sciences, PROmoting FITness and Health through Physical Activity Research Group (PROFITH), Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
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15
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Effect of omega-3 ethyl esters on the triglyceride-rich lipoprotein response to endotoxin challenge in healthy young men. J Lipid Res 2023; 64:100353. [PMID: 36907552 PMCID: PMC10123374 DOI: 10.1016/j.jlr.2023.100353] [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: 05/02/2022] [Revised: 02/21/2023] [Accepted: 02/25/2023] [Indexed: 03/12/2023] Open
Abstract
Oxylipins are produced enzymatically from polyunsaturated fatty acids, are abundant in triglyceride-rich lipoproteins (TGRL), and mediate inflammatory processes. Inflammation elevates TGRL concentrations, but it is unknown if the fatty acid and oxylipin composition change. In this study, we investigated the effects of prescription ω-3 acid ethyl esters (P-OM3; 3.4 g/d EPA + DHA) on the lipid response to an endotoxin challenge (lipopolysaccharide (LPS); 0.6 ng/kg body weight). Healthy young men (N=17) were assigned 8-12 weeks of P-OM3 and olive oil control in a randomized order crossover study. Following each treatment period, subjects received endotoxin challenge, and the time-dependent TGRL composition was observed. Post-challenge, arachidonic acid (AA) was 16% [95% CI: 4%, 28%] lower than baseline at 8 hours with control. P-OM3 increased TGRL ω-3 fatty acids (EPA 24% [15%, 34%]; DHA 14% [5%, 24%]). The timing of ω-6 oxylipin responses differed by class; AA-derived alcohols peaked at 2 hrs, while linoleic acid (LA)-derived alcohols peaked at 4 hrs (pint = 0.006). P-OM3 increased EPA alcohols by 161% [68%, 305%] and DHA epoxides by 178% [47%, 427%] at 4 hrs compared to control. In conclusion, this study shows that TGRL fatty acid and oxylipin composition changes following endotoxin challenge. P-OM3 alters the TGRL response by increasing availability of ω-3 oxylipins for resolution of the inflammatory response.
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Chaaba R, Bouaziz A, Ben Amor A, Mnif W, Hammami M, Mehri S. Fatty Acid Profile and Genetic Variants of Proteins Involved in Fatty Acid Metabolism Could Be Considered as Disease Predictor. Diagnostics (Basel) 2023; 13:979. [PMID: 36900123 PMCID: PMC10001328 DOI: 10.3390/diagnostics13050979] [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: 11/22/2022] [Revised: 02/22/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
Circulating fatty acids (FA) have an endogenous or exogenous origin and are metabolized under the effect of many enzymes. They play crucial roles in many mechanisms: cell signaling, modulation of gene expression, etc., which leads to the hypothesis that their perturbation could be the cause of disease development. FA in erythrocytes and plasma rather than dietary FA could be used as a biomarker for many diseases. Cardiovascular disease was associated with elevated trans FA and decreased DHA and EPA. Increased arachidonic acid and decreased Docosahexaenoic Acids (DHA) were associated with Alzheimer's disease. Low Arachidonic acid and DHA are associated with neonatal morbidities and mortality. Decreased saturated fatty acids (SFA), increased monounsaturated FA (MUFA) and polyunsaturated FA (PUFA) (C18:2 n-6 and C20:3 n-6) are associated with cancer. Additionally, genetic polymorphisms in genes coding for enzymes implicated in FA metabolism are associated with disease development. FA desaturase (FADS1 and FADS2) polymorphisms are associated with Alzheimer's disease, Acute Coronary Syndrome, Autism spectrum disorder and obesity. Polymorphisms in FA elongase (ELOVL2) are associated with Alzheimer's disease, Autism spectrum disorder and obesity. FA-binding protein polymorphism is associated with dyslipidemia, type 2 diabetes, metabolic syndrome, obesity, hypertension, non-alcoholic fatty liver disease, peripheral atherosclerosis combined with type 2 diabetes and polycystic ovary syndrome. Acetyl-coenzyme A carboxylase polymorphisms are associated with diabetes, obesity and diabetic nephropathy. FA profile and genetic variants of proteins implicated in FA metabolism could be considered as disease biomarkers and may help with the prevention and management of diseases.
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Affiliation(s)
- Raja Chaaba
- Lab-NAFS “Nutrition-Functional Food & Health”, Faculty of Medicine, University of Monastir, Avicene Street, Monastir 5000, Tunisia
- Higher School of Health Sciences and Techniques, Sousse, University of Sousse, Sousse 4054, Tunisia
| | - Aicha Bouaziz
- Higher School of Health Sciences and Techniques, Sousse, University of Sousse, Sousse 4054, Tunisia
- Bio-Resources, Integrative Biology & Valorization (BIOLIVAL, LR14ES06), Higher Institute of Biotechnology of Monastir, University of Monastir, Monastir 5000, Tunisia
| | - Asma Ben Amor
- Higher School of Health Sciences and Techniques, Sousse, University of Sousse, Sousse 4054, Tunisia
- Faculty of Medicine, “Ibn El Jazzar” University of Sousse, Sousse 4054, Tunisia
| | - Wissem Mnif
- Department of Chemistry, Faculty of Sciences, University of Bisha, P.O. Box 199, Bisha 61922, Saudi Arabia
| | - Mohamed Hammami
- Lab-NAFS “Nutrition-Functional Food & Health”, Faculty of Medicine, University of Monastir, Avicene Street, Monastir 5000, Tunisia
| | - Sounira Mehri
- Lab-NAFS “Nutrition-Functional Food & Health”, Faculty of Medicine, University of Monastir, Avicene Street, Monastir 5000, Tunisia
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17
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Dhillon J, Newman JW, Fiehn O, Ortiz RM. Almond Consumption for 8 Weeks Altered Host and Microbial Metabolism in Comparison to a Control Snack in Young Adults. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2023; 42:242-254. [PMID: 35512761 PMCID: PMC9396742 DOI: 10.1080/07315724.2021.2025168] [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: 10/12/2021] [Revised: 12/10/2021] [Accepted: 12/29/2021] [Indexed: 10/19/2022]
Abstract
Almond consumption can improve cardiometabolic (CM) health. However, the mechanisms underlying those benefits are not well characterized. This study explored the effects of consuming a snack of almonds vs. crackers for 8 weeks on changes in metabolomic profiles in young adults (clinicaltrials.gov ID: NCT03084003). Participants (n = 73, age: 18-19 years, BMI: 18-41 kg/m2) were randomly assigned to consume either almonds (2 oz/d, n = 38) or an isocaloric control snack of graham crackers (325 kcal/d, n = 35) daily for 8 weeks. Blood samples were collected at baseline prior to and at 4 and 8 weeks after the intervention. Metabolite abundances in the serum were quantified by hydrophilic interaction chromatography quadrupole (Q) time-of-flight (TOF) mass spectrometry (MS/MS), gas chromatography (GC) TOF MS, CSH-ESI (electrospray) QTOF MS/MS, and targeted analyses for free PUFAs, total fatty acids, oxylipins and endocannabinoids. Linear mixed model analyses with baseline-adjustment were conducted, and those results were used for enrichment and network analyses. Microbial community pathway predictions from 16S rRNA sequencing of fecal samples was done using PICRUST2. Almond consumption enriched unsaturated triglycerides, unsaturated phosphatidylcholines, saturated and unsaturated lysophosphatidylcholines, tricarboxylic acids, and tocopherol clusters (p < 0.05). Targeted analyses reveal lower levels of omega-3 total fatty acids (TFAs) overall in the almond group compared to the cracker group (p < 0.05). Microbial amino acid biosynthesis, and amino sugar and nucleotide sugar metabolism pathways were also differentially enriched at the end of the intervention (p < 0.05). The study demonstrates the differential effects of almonds on host tocopherol, lipid, and TCA cycle metabolism with potential changes in microbial metabolism, which may interact with host metabolism to facilitate the CM benefits.
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Affiliation(s)
- Jaapna Dhillon
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia
- Department of Molecular and Cell Biology, University of California, Merced
| | - John W. Newman
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis CA, USA
- Department of Nutrition, University of California, Davis
- Obesity and Metabolism Research Unit, USDA-Agricultural Research Service Western Human Nutrition Research Center, University of California, Davis
| | - Oliver Fiehn
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis CA, USA
| | - Rudy M. Ortiz
- Department of Molecular and Cell Biology, University of California, Merced
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18
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Sanches JM, Zhao LN, Salehi A, Wollheim CB, Kaldis P. Pathophysiology of type 2 diabetes and the impact of altered metabolic interorgan crosstalk. FEBS J 2023; 290:620-648. [PMID: 34847289 DOI: 10.1111/febs.16306] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 10/14/2021] [Accepted: 11/29/2021] [Indexed: 02/06/2023]
Abstract
Diabetes is a complex and multifactorial disease that affects millions of people worldwide, reducing the quality of life significantly, and results in grave consequences for our health care system. In type 2 diabetes (T2D), the lack of β-cell compensatory mechanisms overcoming peripherally developed insulin resistance is a paramount factor leading to disturbed blood glucose levels and lipid metabolism. Impaired β-cell functions and insulin resistance have been studied extensively resulting in a good understanding of these pathways but much less is known about interorgan crosstalk, which we define as signaling between tissues by secreted factors. Besides hormones and organokines, dysregulated blood glucose and long-lasting hyperglycemia in T2D is associated with changes in metabolism with metabolites from different tissues contributing to the development of this disease. Recent data suggest that metabolites, such as lipids including free fatty acids and amino acids, play important roles in the interorgan crosstalk during the development of T2D. In general, metabolic remodeling affects physiological homeostasis and impacts the development of T2D. Hence, we highlight the importance of metabolic interorgan crosstalk in this review to gain enhanced knowledge of the pathophysiology of T2D, which may lead to new therapeutic approaches to treat this disease.
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Affiliation(s)
| | - Li Na Zhao
- Department of Clinical Sciences, Lund University, Malmö, Sweden
| | - Albert Salehi
- Department of Clinical Sciences, Lund University, Malmö, Sweden
| | - Claes B Wollheim
- Department of Clinical Sciences, Lund University, Malmö, Sweden.,Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland
| | - Philipp Kaldis
- Department of Clinical Sciences, Lund University, Malmö, Sweden
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19
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Role of the Endocannabinoid System in Metabolic Control Processes and in the Pathogenesis of Metabolic Syndrome: An Update. Biomedicines 2023; 11:biomedicines11020306. [PMID: 36830844 PMCID: PMC9952954 DOI: 10.3390/biomedicines11020306] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Metabolic syndrome is a complex disease state, which appears mostly as a consequence of an unhealthy, sedentary lifestyle. Metabolic complications include insulin resistance (IR), diabetes, dyslipidemia, hypertension, and atherosclerosis, impairing life standards and reducing life expectancy. The endocannabinoid system (ECS) has an important role in signalization processes, not only in the central nervous system, but also in the peripheral tissues. Several physiological functions are affected, and overexpression or downregulation contributes to several diseases. A better understanding of the functions of cannabinoid (CB) receptors may propose potential therapeutic effects by influencing receptor signaling and enzymes involved in downstream pathways. In this review, we summarize recent information regarding the roles of the ECS and the CB1 receptor signaling in the physiology and pathophysiology of energy and metabolic homeostasis, in the development of obesity by enhancing food intake, upregulating energy balance and fat accumulation, increasing lipogenesis and glucose production, and impairing insulin sensitivity and secretion. By analyzing the roles of the ECS in physiological and pathophysiological mechanisms, we introduce some recently identified signaling pathways in the mechanism of the pathogenesis of metabolic syndrome. Our review emphasizes that the presence of such recently identified ECS signaling steps raises new therapeutic potential in the treatment of complex metabolic diseases such as diabetes, insulin resistance, obesity, and hypertension.
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20
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Watkins BA, Friedman AN, Kim J, Borkowski K, Kaiser S, Fiehn O, Newman JW. Blood Levels of Endocannabinoids, Oxylipins, and Metabolites Are Altered in Hemodialysis Patients. Int J Mol Sci 2022; 23:ijms23179781. [PMID: 36077177 PMCID: PMC9456435 DOI: 10.3390/ijms23179781] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/17/2022] Open
Abstract
Hemodialysis patients (HDPs) have higher blood pressure, higher levels of inflammation, a higher risk of cardiovascular disease, and unusually low plasma n-3 polyunsaturated fatty acid (PUFA) levels compared to healthy subjects. The objective of our investigation was to examine the levels of endocannabinoids (eCBs) and oxylipins (OxLs) in female HDPs compared to healthy matched female controls, with the underlying hypothesis that differences in specific PUFA levels in hemodialysis patients would result in changes in eCBs and OxLs. Plasma phospholipid fatty acids were analyzed by gas chromatography. Plasma was extracted and analyzed using ultra-performance liquid chromatography followed by electrospray ionization and tandem MS for eCBs and OxLs. The global untargeted metabolite profiling of plasma was performed by GCTOF MS. Compared to the controls, HDPs showed lower levels of plasma EPA and the associated OxL metabolites 5- and 12-HEPE, 14,15-DiHETE, as well as DHA derived 19(20)-EpDPE. Meanwhile, no changes in arachidonylethanolamide or 2-arachidonylglycerol in the open circulation were detected. Higher levels of multiple N-acylethanolamides, monoacylglycerols, biomarkers of progressive kidney disease, the nitric oxide metabolism-linked citrulline, and the uremic toxins kynurenine and creatine were observed in HDP. These metabolic differences in cCBs and OxLs help explain the severe inflammatory and cardiovascular disease manifested by HDPs, and they should be explored in future studies.
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Affiliation(s)
- Bruce A. Watkins
- Department of Nutrition, University of California, Davis, CA 95616, USA
- Correspondence:
| | - Allon N. Friedman
- University Hospital, Suite 6100, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jeffrey Kim
- Department of Internal Medicine, University of California, Davis, CA 95616, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California, Davis, CA 95616, USA
| | | | - Oliver Fiehn
- West Coast Metabolomics Center, University of California, Davis, CA 95616, USA
| | - John W. Newman
- Obesity and Metabolism Research Unit, USDA-ARS Agriculture Research Service, Davis, CA 95616, USA
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21
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Fayyazpour P, Alizadeh E, Hosseini V, Kalantary-Charvadeh A, Niafar M, Sadra V, Norouzi Z, Saebnazar A, Mehdizadeh A, Darabi M. Fatty acids of type 2 diabetic serum decrease the stemness properties of human adipose-derived mesenchymal stem cells. J Cell Biochem 2022; 123:1157-1170. [PMID: 35722966 DOI: 10.1002/jcb.30270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 03/26/2022] [Accepted: 04/20/2022] [Indexed: 11/11/2022]
Abstract
In type 2 diabetes, dyslipidemia and increased serum free fatty acids (FFAs) exacerbate the development of the disease through a negative effect on insulin secretion. Adipose-derived mesenchymal stem cells (AdMSCs) play a key role in regenerative medicine, and these cells can potentially be applied as novel therapeutic resources in the treatment of diabetes. In this study, AdMSCs were treated with diabetic or nondiabetic serum FFAs isolated from women of menopausal age. Serum FFAs were analyzed using gas-liquid chromatography. The expression level of the stemness markers CD49e and CD90 and the Wnt signaling target genes Axin-2 and c-Myc were evaluated using real-time PCR. The proliferation rate and colony formation were also assessed using a BrdU assay and crystal violet staining, respectively. The level of glutathione was assessed using cell fluorescence staining. Compared to nondiabetic serum, diabetic serum contained a higher percentage of oleate (1.5-fold, p < 0.01). In comparison with nondiabetic FFAs, diabetic FFAs demonstrated decreasing effects on the expression of CD90 (-51%, p < 0.001) and c-Myc (-48%, p < 0.05), and proliferation rate (-35%, p < 0.001), colony formation capacity (-50%, p < 0.01), and GSH levels (-62%, p < 0.05). The negative effect of the FFAs of diabetic serum on the stemness characteristics may impair the regenerative capabilities of AdMSCs.
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Affiliation(s)
- Parisa Fayyazpour
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Effat Alizadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Hosseini
- Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ashkan Kalantary-Charvadeh
- Department of Clinical Biochemistry, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mitra Niafar
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahideh Sadra
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Norouzi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aysan Saebnazar
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Masoud Darabi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Internal Medicine IV, Heidelberg University Hospital, Heidelberg, Germany
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22
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Soluble Epoxide Hydrolase and Diabetes Complications. Int J Mol Sci 2022; 23:ijms23116232. [PMID: 35682911 PMCID: PMC9180978 DOI: 10.3390/ijms23116232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 02/04/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) can result in microvascular complications such as neuropathy, retinopathy, nephropathy, and cerebral small vessel disease, and contribute to macrovascular complications, such as heart failure, peripheral arterial disease, and large vessel stroke. T2DM also increases the risks of depression and dementia for reasons that remain largely unclear. Perturbations in the cytochrome P450-soluble epoxide hydrolase (CYP-sEH) pathway have been implicated in each of these diabetes complications. Here we review evidence from the clinical and animal literature suggesting the involvement of the CYP-sEH pathway in T2DM complications across organ systems, and highlight possible mechanisms (e.g., inflammation, fibrosis, mitochondrial function, endoplasmic reticulum stress, the unfolded protein response and autophagy) that may be relevant to the therapeutic potential of the pathway. These mechanisms may be broadly relevant to understanding, preventing and treating microvascular complications affecting the brain and other organ systems in T2DM.
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23
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Kokotou MG, Mantzourani C, Batsika CS, Mountanea OG, Eleftheriadou I, Kosta O, Tentolouris N, Kokotos G. Lipidomics Analysis of Free Fatty Acids in Human Plasma of Healthy and Diabetic Subjects by Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS). Biomedicines 2022; 10:biomedicines10051189. [PMID: 35625925 PMCID: PMC9138513 DOI: 10.3390/biomedicines10051189] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 11/16/2022] Open
Abstract
Targeted analytical methods for the determination of free fatty acids (FFAs) in human plasma are of high interest because they may help in identifying biomarkers for diseases and in monitoring the progress of a disease. The determination of FFAs is of particular importance in the case of metabolic disorders because FFAs have been associated with diabetes. We present a liquid chromatography-high resolution mass spectrometry (LC-HRMS) method, which allows the simultaneous determination of 74 FFAs in human plasma. The method is fast (10-min run) and straightforward, avoiding any derivatization step and tedious sample preparation. A total of 35 standard saturated and unsaturated FFAs, as well as 39 oxygenated (either hydroxy or oxo) saturated FFAs, were simultaneously detected and quantified in plasma samples from 29 subjects with type 2 diabetes mellitus (T2D), 14 with type 1 diabetes mellitus (T1D), and 28 healthy subjects. Alterations in the levels of medium-chain FFAs (C6:0 to C10:0) were observed between the control group and T2D and T1D patients.
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Affiliation(s)
- Maroula G. Kokotou
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Laboratory of Chemistry, Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Christiana Mantzourani
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Charikleia S. Batsika
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Olga G. Mountanea
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Ioanna Eleftheriadou
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - Ourania Kosta
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - Nikolaos Tentolouris
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - George Kokotos
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Correspondence: ; Tel.: +30-210-7274462
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24
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Richardson CE, Krishnan S, Gray IJ, Keim NL, Newman JW. The Omega-3 Index Response to an 8 Week Randomized Intervention Containing Three Fatty Fish Meals Per Week Is Influenced by Adiposity in Overweight to Obese Women. Front Nutr 2022; 9:810003. [PMID: 35187036 PMCID: PMC8855121 DOI: 10.3389/fnut.2022.810003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/12/2022] [Indexed: 01/13/2023] Open
Abstract
BackgroundThe Dietary Guidelines for Americans (DGA) recommends consuming ~225 g/wk of a variety of seafood providing >1.75 g/wk of long-chain omega-3 fatty acids to reduce cardiovascular disease risk, however individual responses to treatment vary.ObjectiveThis study had three main objectives. First, to determine if a DGA-conforming diet (DGAD), in comparison to a typical American diet (TAD), can increase the omega-3 index (OM3I), i.e., the red blood cell mol% of eicosapentaenoic acid (EPA) + docosahexaenoic acid (DHA). Second, to identify factors explaining variability in the OM3I response to dietary treatment. Third to identify factors associated with the baseline OM3I.DesignThis is a secondary analysis of a randomized, double-blind 8 wk dietary intervention of overweight/obese women fed an 8d rotating TAD (n = 20) or DGAD (n = 22) registered at www.clinicaltrials.gov as NCT02298725. The DGAD-group consumed 240 g/wk of Atlantic farmed salmon and albacore tuna in three meals with an estimated EPA + DHA of 3.7 ± 0.6 g/wk. The TAD-group consumed ~160 g/wk of farmed white shrimp and a seafood salad containing imitation crab in three meal with an estimated EPA + DHA of 0.45 ± 0.05 g/wk. Habitual diet was determined at baseline, and body composition was determined at 0 and 8wks. Red blood cell fatty acids were measured at 0, 2 and 8 wk.ResultsAt 8 wk, the TAD-group OM3I was unchanged (5.90 ± 1.35–5.80 ± 0.76%), while the DGAD-group OM3I increased (5.63 ± 1.27–7.33 ± 1.36%; p < 0.001). In the DGAD-group 9 of 22 participants achieved an OM3I >8%. Together, body composition and the baseline OM3I explained 83% of the response to treatment variability. Baseline OM3I (5.8 ± 1.3%; n = 42) was negatively correlated to the android fat mass (p = 0.0007) and positively correlated to the FFQ estimated habitual (EPA+DHA) when expressed as a ratio to total dietary fat (p = 0.006).ConclusionsAn 8 wk TAD did not change the OM3I of ~6%, while a DGAD with 240 g/wk of salmon and albacore tuna increased the OM3I. Body fat distribution and basal omega-3 status are primary factors influencing the OM3I response to dietary intake in overweight/obese women.
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Affiliation(s)
| | - Sridevi Krishnan
- Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Ira J. Gray
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
- United States Department of Agriculture, Agricultural Research Service (USDA-ARS) Western Human Nutrition Research Center, Davis, CA, United States
| | - Nancy L. Keim
- Department of Nutrition, University of California, Davis, Davis, CA, United States
- United States Department of Agriculture, Agricultural Research Service (USDA-ARS) Western Human Nutrition Research Center, Davis, CA, United States
| | - John W. Newman
- Department of Nutrition, University of California, Davis, Davis, CA, United States
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
- United States Department of Agriculture, Agricultural Research Service (USDA-ARS) Western Human Nutrition Research Center, Davis, CA, United States
- *Correspondence: John W. Newman
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25
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Deus LAD, Corrêa HDL, Neves RVP, Reis AL, Honorato FS, Araújo TBD, Souza MK, Haro AS, Silva VL, Barbosa JMDS, Padula IA, Andrade RV, Simões HG, Prestes J, Stone WJ, Melo GF, Rosa TS. Metabolic and hormonal responses to chronic blood-flow restricted resistance training in chronic kidney disease: a randomized trial. Appl Physiol Nutr Metab 2022; 47:183-194. [PMID: 35062832 DOI: 10.1139/apnm-2021-0409] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Maintenance of glycemic and lipemic homeostasis can limit the progression of diabetic kidney disease. Resistance training (RT) is effective in controlling glycemia and lipemia in kidney disease; however, the effect of RT with blood flow restriction (RT+BFR) on these metabolic factors has not been investigated. We aimed to verify if chronic (6 months) RT and RT+BFR performed by patients with stage-2 chronic kidney disease (CKD) improves their glycemic homeostasis and immunometabolic profiles. Patients with CKD under conservative treatment (n = 105 (33 females)) from both sexes were randomized into control (n = 35 (11 females); age 57.6 ± 5.2 years), RT (n = 35 (12 females); age 58.0 ± 6.2 years), and RT+BFR (n = 35 (10 females); 58.0 ± 6.4 years) groups. Chronic RT or RT+BFR (6 months) was performed 3 times per week on non-consecutive days with training loading adjusted every 2 months, RT 50%-60%-70% of 1RM, and RT+BFR 30%-40%+50% of 1RM and fixed repetition number. Renal function was estimated with the glomerular filtration rate and serum albumin level. Metabolic, hormonal, and inflammatory assessments were analyzed from blood samples. Six months of RT and RT+BFR were similarly effective in improving glucose homeostasis and hormone mediators of glucose uptake (e.g., irisin, adiponectin, and sirtuin-1), decreasing pro-inflammatory and fibrotic proteins, and attenuating the progression of estimated glomerular filtration rate. Thus, RT+BFR can be considered an additional exercise modality to be included in the treatment of patients with stage 2 chronic kidney disease. Trial registration number: U1111-1237-8231. URL: http://www.ensaiosclinicos.gov.br/rg/RBR-3gpg5w/, no. RBR-3gpg5w. Novelty: Glycemic regulation induced by resistance training prevents the progression of CKD. Chronic RT and RT+BFR promote similar changes in glycemic regulation. RT and RT+BFR can be considered as non-pharmacological tools for the treatment of CKD.
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Affiliation(s)
- Lysleine Alves de Deus
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Hugo de Luca Corrêa
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | | | - Andrea Lucena Reis
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Fernando Sousa Honorato
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | | | - Michel Kendy Souza
- Department of Nephrology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Anderson Sola Haro
- Department of Nephrology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Victor Lopes Silva
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | | | | | - Rosângela Vieira Andrade
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Herbert Gustavo Simões
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Jonato Prestes
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Whitley J Stone
- School of Kinesiology, Recreation, and Sport, Western Kentucky University, KY, USA
| | - Gislane Ferreira Melo
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
| | - Thiago Santos Rosa
- Graduate Program in Physical Education, Catholic University of Brasília (UCB), Taguatinga, DF, Brazil
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Jurado‐Fasoli L, Di X, Kohler I, Osuna‐Prieto FJ, Hankemeier T, Krekels E, Harms AC, Yang W, Garcia‐Lario JV, Fernández‐Veledo S, Ruiz JR, Rensen PCN, Martinez‐Tellez B. Omega-6 and omega-3 oxylipins as potential markers of cardiometabolic risk in young adults. Obesity (Silver Spring) 2022; 30:50-61. [PMID: 34898010 PMCID: PMC9299871 DOI: 10.1002/oby.23282] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/29/2021] [Accepted: 08/04/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Omega-6 and omega-3 oxylipins are known to play a role in inflammation and cardiometabolic diseases in preclinical models. The associations between plasma levels of omega-6 and omega-3 polyunsaturated fatty acid-derived oxylipins and body composition and cardiometabolic risk factors in young adults were assessed. METHODS Body composition, brown adipose tissue, traditional serum cardiometabolic risk factors, inflammatory markers, and a panel of 83 oxylipins were analyzed in 133 young adults (age 22.1[SD 2.2] years, 67% women). RESULTS Plasma levels of four omega-6 oxylipins (15-HeTrE, 5-HETE, 14,15-EpETrE, and the oxidative stress-derived 8,12-iso-iPF2α -VI) correlated positively with adiposity, prevalence of metabolic syndrome, fatty liver index, and homeostatic model assessment of insulin resistance index and lipid parameters. By contrast, the plasma levels of three omega-3 oxylipins (14,15-DiHETE, 17,18-DiHETE, and 19,20-DiHDPA) were negatively correlated with adiposity, prevalence of metabolic syndrome, fatty liver index, homeostatic model assessment of insulin resistance index, and lipid parameters. The panel of seven oxylipins predicted adiposity better than traditional inflammatory markers such as interferon gamma or tumor necrosis factor-alpha. Pathway analyses revealed that individuals with obesity had higher plasma levels of omega-6 and lower plasma levels of omega-3 oxylipins than normal-weight individuals. CONCLUSION Plasma levels of seven omega-6 and omega-3 oxylipins may have utility as early markers of cardiometabolic risk in young adults.
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Affiliation(s)
- Lucas Jurado‐Fasoli
- PROmoting FITness and Health through Physical Activity Research Group (PROFITH)Department of Physical Education and SportsFaculty of Sport SciencesSport and Health University Research Institute (iMUDS)University of GranadaGranadaSpain
| | - Xinyu Di
- Department of Systems Biomedicine and PharmacologyLeiden Academic Centre for Drug Research (LACDR)Leiden UniversityLeidenthe Netherlands
| | - Isabelle Kohler
- Division of BioAnalytical ChemistryVrije Universiteit AmsterdamAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdamthe Netherlands
- Center for Analytical Sciences AmsterdamAmsterdamthe Netherlands
| | - Francisco J. Osuna‐Prieto
- PROmoting FITness and Health through Physical Activity Research Group (PROFITH)Department of Physical Education and SportsFaculty of Sport SciencesSport and Health University Research Institute (iMUDS)University of GranadaGranadaSpain
- Department of Analytical ChemistryUniversity of GranadaGranadaSpain
- Research and Development of Functional Food Centre (CIDAF)GranadaSpain
| | - Thomas Hankemeier
- Department of Systems Biomedicine and PharmacologyLeiden Academic Centre for Drug Research (LACDR)Leiden UniversityLeidenthe Netherlands
| | - Elke Krekels
- Department of Systems Biomedicine and PharmacologyLeiden Academic Centre for Drug Research (LACDR)Leiden UniversityLeidenthe Netherlands
| | - Amy C. Harms
- Department of Systems Biomedicine and PharmacologyLeiden Academic Centre for Drug Research (LACDR)Leiden UniversityLeidenthe Netherlands
| | - Wei Yang
- Department of Systems Biomedicine and PharmacologyLeiden Academic Centre for Drug Research (LACDR)Leiden UniversityLeidenthe Netherlands
| | | | - Sonia Fernández‐Veledo
- Departament of Endocrinology and Nutrition and Research UnitUniversity Hospital of Tarragona Joan XXIII‐Institut d ´Investigació Sanitària Pere Virgili (IISPV)TarragonaSpain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)‐Instituto de Salud Carlos IIIMadridSpain
| | - Jonatan R. Ruiz
- PROmoting FITness and Health through Physical Activity Research Group (PROFITH)Department of Physical Education and SportsFaculty of Sport SciencesSport and Health University Research Institute (iMUDS)University of GranadaGranadaSpain
| | - Patrick C. N. Rensen
- Department of MedicineDivision of Endocrinology, and Einthoven Laboratory for Experimental Vascular MedicineLeiden University Medical Centrethe Netherlands
| | - Borja Martinez‐Tellez
- PROmoting FITness and Health through Physical Activity Research Group (PROFITH)Department of Physical Education and SportsFaculty of Sport SciencesSport and Health University Research Institute (iMUDS)University of GranadaGranadaSpain
- Department of MedicineDivision of Endocrinology, and Einthoven Laboratory for Experimental Vascular MedicineLeiden University Medical Centrethe Netherlands
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Zhang X, Liu L, Luo J, Peng X. Anti-aging potency correlates with metabolites from in vitro fermentation of edible fungal polysaccharides using human fecal intestinal microflora. Food Funct 2022; 13:11592-11603. [DOI: 10.1039/d2fo01951e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aging is a natural process in which the structural integrity of an organism declines over time.
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Affiliation(s)
- Xiaomei Zhang
- Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Liu Liu
- Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Jianming Luo
- Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Xichun Peng
- Department of Food Science and Engineering, Jinan University, Guangzhou, Guangdong, 510632, China
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Dynamic Role of Phospholipases A2 in Health and Diseases in the Central Nervous System. Cells 2021; 10:cells10112963. [PMID: 34831185 PMCID: PMC8616333 DOI: 10.3390/cells10112963] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/19/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022] Open
Abstract
Phospholipids are major components in the lipid bilayer of cell membranes. These molecules are comprised of two acyl or alkyl groups and different phospho-base groups linked to the glycerol backbone. Over the years, substantial interest has focused on metabolism of phospholipids by phospholipases and the role of their metabolic products in mediating cell functions. The high levels of polyunsaturated fatty acids (PUFA) in the central nervous system (CNS) have led to studies centered on phospholipases A2 (PLA2s), enzymes responsible for cleaving the acyl groups at the sn-2 position of the phospholipids and resulting in production of PUFA and lysophospholipids. Among the many subtypes of PLA2s, studies have centered on three major types of PLA2s, namely, the calcium-dependent cytosolic cPLA2, the calcium-independent iPLA2 and the secretory sPLA2. These PLA2s are different in their molecular structures, cellular localization and, thus, production of lipid mediators with diverse functions. In the past, studies on specific role of PLA2 on cells in the CNS are limited, partly because of the complex cellular make-up of the nervous tissue. However, understanding of the molecular actions of these PLA2s have improved with recent advances in techniques for separation and isolation of specific cell types in the brain tissue as well as development of sensitive molecular tools for analyses of proteins and lipids. A major goal here is to summarize recent studies on the characteristics and dynamic roles of the three major types of PLA2s and their oxidative products towards brain health and neurological disorders.
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29
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Serum metabolomic biomarkers of perceptual speed in cognitively normal and mildly impaired subjects with fasting state stratification. Sci Rep 2021; 11:18964. [PMID: 34556796 PMCID: PMC8460824 DOI: 10.1038/s41598-021-98640-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Cognitive decline is associated with both normal aging and early pathologies leading to dementia. Here we used quantitative profiling of metabolites involved in the regulation of inflammation, vascular function, neuronal function and energy metabolism, including oxylipins, endocannabinoids, bile acids, and steroid hormones to identify metabolic biomarkers of mild cognitive impairment (MCI). Serum samples (n = 212) were obtained from subjects with or without MCI opportunistically collected with incomplete fasting state information. To maximize power and stratify the analysis of metabolite associations with MCI by the fasting state, we developed an algorithm to predict subject fasting state when unknown (n = 73). In non-fasted subjects, linoleic acid and palmitoleoyl ethanolamide levels were positively associated with perceptual speed. In fasted subjects, soluble epoxide hydrolase activity and tauro-alpha-muricholic acid levels were negatively associated with perceptual speed. Other cognitive domains showed associations with bile acid metabolism, but only in the non-fasted state. Importantly, this study shows unique associations between serum metabolites and cognitive function in the fasted and non-fasted states and provides a fasting state prediction algorithm based on measurable metabolites.
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30
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Tian S, Yan S, Meng Z, Huang S, Sun W, Jia M, Teng M, Zhou Z, Zhu W. New insights into bisphenols induced obesity in zebrafish (Danio rerio): Activation of cannabinoid receptor CB1. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126100. [PMID: 34098260 DOI: 10.1016/j.jhazmat.2021.126100] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 06/12/2023]
Abstract
Bisphenols (BPs), as widely used plastic additives, penetrate into our daily lives. BPs are considered endocrine disruptors and could potentially induce obesity. In this study, the effects of bisphenol A (BPA) and tetrabromobisphenol A (TBBPA) on food intake and lipid metabolism in zebrafish were determined. Moreover, the impact of BPA and TBBPA on the endocannabinoid system (ECS) of zebrafish was further explored by metabolomics, transcriptomics, and molecular docking analysis. Here we show that exposure to BPA and TBBPA at concentrations commonly found in the environment (20, 100, and 500 μg/L) led to hyperphagia and obesity in adult male zebrafish. Metabolomics and histopathological analysis revealed significant lipid accumulation in the liver of zebrafish exposed to BPA and TBBPA. The expression of ECS-related genes, in conjunction with RNA-Seq results, further indicated that BPA and TBBPA increased appetite and induced obesity by activating cannabinoid receptor type 1(CB1). Furthermore, molecular docking revealed that six representative BPs including BPA and TBBPA could bind to the CB1 receptor. Collectively, these findings indicate that CB1 may be a potential target for BPs to induce obesity.
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Affiliation(s)
- Sinuo Tian
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Sen Yan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Zhiyuan Meng
- School of Horticulture and Plant Protection, Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Shiran Huang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Wei Sun
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Ming Jia
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Miaomiao Teng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Zhiqiang Zhou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Wentao Zhu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
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Massih YN, Hall AG, Suh J, King JC. Zinc Supplements Taken with Food Increase Essential Fatty Acid Desaturation Indices in Adult Men Compared with Zinc Taken in the Fasted State. J Nutr 2021; 151:2583-2589. [PMID: 34236435 DOI: 10.1093/jn/nxab149] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/10/2021] [Accepted: 04/26/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Zinc intake is associated with reduced risk of metabolic disease in adults, possibly due in part to zinc's role in essential fatty acid (EFA) desaturation. Although plasma zinc is the accepted indicator of zinc status, product-to-precursor activity indices of fatty acid desaturase (FADS) 1 and 2 have also been proposed as response indicators for changes in zinc intake. OBJECTIVES To examine zinc supplement effects on plasma zinc concentration (PZC) and estimated FADS 1 and 2 activities, when zinc supplements are taken with food compared with fasted. METHODS Apparently healthy adult men were randomly allocated to take 25 mg zinc as zinc gluconate either in the fasted state 30 min before breakfast [zinc before breakfast (ZBB)] or with breakfast [zinc with breakfast (ZWB)] daily for 13 d. Fasting PZC was measured by inductively coupled plasma optical emission spectrometry. Selected EFAs for FADS activity indices were measured by LC-MS/MS at study baseline and end. RESULTS A total of 35 men completed the study (ZBB, n = 18; ZWB, n = 17). Mean ± SEM PZC was 86.2 ± 1.64 μg/dL at baseline. After 2 wk of zinc supplementation, the PZCs were 18% higher in the ZBB compared with the ZWB groups (105 ± 5.88 compared with 88.7 ± 2.36 μg/dL, P = < 0.05). However, the geometric mean (95% CI) FADS1 activity indices were 15% higher in the ZWB than the ZBB participants, 6.45 (5.84, 7.13) compared with 5.57 (5.05, 6.14), P < 0.05. CONCLUSIONS These data demonstrate a lack of congruence between the effects of zinc supplements on PZC and EFA metabolism in response to whether a zinc supplement is taken with or without food. Additional research is needed to determine how absorbed zinc may be directed differently toward metabolic processes, when coabsorbed with food. This trial was registered at clinicaltrials.gov as NCT03619421.
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Affiliation(s)
- Yasaman N Massih
- Children's Hospital Oakland Research Institute, UCSF Benioff Children's Hospital Oakland, Oakland, CA, USA.,Department of Nutritional Sciences & Toxicology, University of California, Berkeley, CA, USA
| | - Andrew G Hall
- Children's Hospital Oakland Research Institute, UCSF Benioff Children's Hospital Oakland, Oakland, CA, USA.,Department of Nutritional Sciences & Toxicology, University of California, Berkeley, CA, USA
| | - Jung Suh
- Children's Hospital Oakland Research Institute, UCSF Benioff Children's Hospital Oakland, Oakland, CA, USA
| | - Janet C King
- Children's Hospital Oakland Research Institute, UCSF Benioff Children's Hospital Oakland, Oakland, CA, USA.,Department of Nutritional Sciences & Toxicology, University of California, Berkeley, CA, USA
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Serum Retinal and Retinoic Acid Predict the Development of Type 2 Diabetes Mellitus in Korean Subjects with Impaired Fasting Glucose from the KCPS-II Cohort. Metabolites 2021; 11:metabo11080510. [PMID: 34436451 PMCID: PMC8398291 DOI: 10.3390/metabo11080510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 07/24/2021] [Accepted: 07/30/2021] [Indexed: 11/29/2022] Open
Abstract
We aimed to investigate whether retinal and retinoic acid (RA), which are newly discovered biomarkers from our previous research, reliably predict type 2 diabetes mellitus (T2DM) development in subjects with impaired fasting glucose (IFG). Among the Korean Cancer Prevention Study (KCPS)-II cohort, subjects were selected and matched by age and sex (IFG-IFG group, n = 100 vs. IFG-DM group, n = 100) for study 1. For real-world validation of two biomarkers (study 2), other participants in the KCPS-II cohort who had IFG at baseline (n = 500) were selected. Targeted LC/MS was used to analyze the baseline serum samples; retinal and RA levels were quantified. In study 1, we revealed that both biomarkers were significantly decreased in the IFG-DM group (retinal, p = 0.017; RA, p < 0.001). The obese subjects in the IFG-DM group showed markedly lower retinal (p = 0.030) and RA (p = 0.003) levels than those in the IFG-IFG group. In study 2, the results for the two metabolites tended to be similar to those of study 1, but no significant difference was observed. Notably, the predictive ability for T2DM was enhanced when the metabolites were added to conventional risk factors for T2DM in both studies (study 1, AUC 0.682 → 0.775; study 2, AUC 0.734 → 0.786). The results suggest that retinal- and RA-related metabolic pathways are altered before the onset of T2DM.
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Sánchez-Alegría K, Bastián-Eugenio CE, Vaca L, Arias C. Palmitic acid induces insulin resistance by a mechanism associated with energy metabolism and calcium entry in neuronal cells. FASEB J 2021; 35:e21712. [PMID: 34110637 DOI: 10.1096/fj.202100243r] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/27/2021] [Accepted: 05/17/2021] [Indexed: 01/05/2023]
Abstract
Palmitic acid (PA) is a saturated fatty acid whose high consumption has been largely associated with the development of different metabolic alterations, such as insulin resistance, metabolic syndrome, and type 2 diabetes. Particularly in the brain, insulin signaling disruption has been linked to cognitive decline and is considered a risk factor for Alzheimer's disease. Cumulative evidence has demonstrated the participation of PA in the molecular cascade underlying cellular insulin resistance in peripheral tissues, but its role in the development of neuronal insulin resistance and the mechanisms involved are not fully understood. It has generally been accepted that the brain does not utilize fatty acids as a primary energy source, but recent evidence shows that neurons possess the machinery for fatty acid β-oxidation. However, it is still unclear under what conditions neurons use fatty acids as energy substrates and the implications of their oxidative metabolism in modifying insulin-stimulated effects. In the present work, we have found that neurons differentiated from human neuroblastoma MSN exposed to high but nontoxic concentrations of PA generate ATP through mitochondrial metabolism, which is associated with an increase in the cytosolic Ca2+ and diminished insulin signaling in neurons. These findings reveal a novel mechanism by which saturated fatty acids produce Ca2+ entry and insulin resistance that may play a causal role in increasing neuronal vulnerability associated with metabolic diseases.
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Affiliation(s)
- Karina Sánchez-Alegría
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Carlos Ernesto Bastián-Eugenio
- Departamento de Genética Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Luis Vaca
- Departamento de Genética Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Clorinda Arias
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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Serum soluble epoxide hydrolase related oxylipins and major depression in patients with type 2 diabetes. Psychoneuroendocrinology 2021; 126:105149. [PMID: 33503568 DOI: 10.1016/j.psyneuen.2021.105149] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND People with type 2 diabetes mellitus (T2DM) are at increased risk for depression. Both conditions are associated with disturbances in polyunsaturated fatty acids. Omega-3 and omega-6 fatty acids can be converted into bioactive epoxides by cytochrome P450s (CYP450), which play pro-resolving roles in the inflammatory response; however, soluble epoxide hydrolase (sEH) metabolizes epoxides into diols, which lack pro-resolving functions and can be cytotoxic. Here, we survey serum CYP450- and sEH-derived metabolite concentrations in people with T2DM with and without a major depressive episode. METHODS Sunnybrook Type 2 Diabetes Study (NCT04455867) participants experiencing a major depressive episode (research version of the Structured Clinical Interview for DSM-5 criteria) were matched 1:1 for gender, glycosylated hemoglobin A1c and body mass index to participants without a current depressive episode. Depression severity was assessed using the Beck Depression Inventory 2nd Edition (BDI-II). From fasting morning blood, unesterified serum oxylipins were quantified by ultra-high-performance liquid chromatography tandem mass spectrometry following solid phase extraction, and interleukin-6 (IL-6) by enzyme-linked immunosorbent assay. RESULTS Between 20 depressed and 20 non-depressed participants (mean age 58.9 ± 8.5 years, 65% women) with T2DM, several sEH-derived fatty acid diols, but not IL-6, were higher among those with a depressive episode (effect sizes up to d = 0.796 for 17,18-DiHETE, a metabolite of eicosapentaenoic acid [EPA]; t = 2.516, p = 0.016). Among people with a depressive episode, two epoxides were correlated with lower BDI-II scores: 12(13)-EpOME (ρ = -0.541, p = 0.014) and 10(11)-EpDPE (ρ = -0.444, p = 0.049), metabolites of linoleic acid and docosahexaenoic acid (DHA), respectively, while the ratio of 12,13-DiHOME/12(13)-EpOME was correlated with higher BDI-II scores (ρ = 0.513, p = 0.021). CONCLUSIONS In people with T2DM, major depressive episodes and depressive symptom severity were associated with an oxylipin profile consistent with elimination of pro-resolving lipid mediators by sEH.
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Bourebaba L, Kornicka-Garbowska K, Al Naem M, Röcken M, Łyczko J, Marycz K. MSI-1436 improves EMS adipose derived progenitor stem cells in the course of adipogenic differentiation through modulation of ER stress, apoptosis, and oxidative stress. Stem Cell Res Ther 2021; 12:97. [PMID: 33536069 PMCID: PMC7860037 DOI: 10.1186/s13287-020-02102-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Protein tyrosine phosphatase 1B (PTP1B) is one of the major negative regulators of leptin and insulin signaling, and has been strongly implicated in insulin resistance development in the course of obesity and metabolic syndrome conditions; however, its exact role in controlling adipose tissue biogenesis is still poorly understood. OBJECTIVES This investigation aimed to elucidate whether selective inhibition of PTP1B using MSI-1436 compound may improve and restore the defective adipogenicity of ASCs isolated from EMS-affected horses. METHODS Equine ASC EMS cells were cultured under adipogenic conditions in the presence of PTP1B inhibitor and were subsequently tested for expression of the main adipogenic-related genes using RT-qPCR, changes in free fatty acid profiles by means of GC-MS technique, and for mitochondrial dynamics improvement through the analysis of mitochondrial transmembrane potential and oxidative stress. RESULTS Selective inhibition of PTP1B in equine ASC EMS cells improved substantially adipogenic differentiation by promoting cellular proliferation and normalizing expression of C/EBPalpha, PPARγ, and Adipoq markers that are critical for proper adipogenesis. Levels of secreted adiponectin and PPARγ were also shown to be increased in MSI-1436-conditioned cells, while total leptin levels markedly dropped under the same conditions. Moreover, MSI-1436 treatment enabled the regulation of metabolic-related transcripts that are crosslink to adipogenesis, namely Akt1, Akt2, and SHBG. The obtained results demonstrated also an obvious reduction in intracellular accumulated ROS and NO, as well as mitigated ER stress through the downregulation of Chop, Perk, Atf6, Ire1, and Xbp1 transcripts upon PTP1B inhibition. Furthermore, general fluctuations in FFA composition of all differentiated groups have been highlighted, where palmitic acid, palmitoleic acid, stearic acid, and linolelaidic acid that are known to be associated with the development of metabolic disorders were found to be normalized upon PTP1B inhibition during adipogenic differentiation. CONCLUSION The presented data provides the evidence that the use of PTP1B inhibitor may be successful in controlling and enhancing adipogenic differentiation of impaired equine ASCs affected by metabolic syndrome, and thus offers new insights for the management of obesity through the regulation of adipose tissue dynamics.
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Affiliation(s)
- Lynda Bourebaba
- Department of Experimental Biology, Wrocław University of Environmental and Life Sciences, Norwida 27B Street, A7 Building, 50-375, Wrocław, Poland
- International Institute of Translational Medicine, Malin, Jesionowa 11, 55-114, Wisznia Mała, Poland
| | - Katarzyna Kornicka-Garbowska
- Department of Experimental Biology, Wrocław University of Environmental and Life Sciences, Norwida 27B Street, A7 Building, 50-375, Wrocław, Poland
- International Institute of Translational Medicine, Malin, Jesionowa 11, 55-114, Wisznia Mała, Poland
| | - Mohamad Al Naem
- Faculty of Veterinary Medicine, Equine Clinic-Equine Surgery, Justus-Liebig-University, 35392, Giessen, Germany
| | - Michael Röcken
- Faculty of Veterinary Medicine, Equine Clinic-Equine Surgery, Justus-Liebig-University, 35392, Giessen, Germany
| | - Jacek Łyczko
- Department of Chemistry, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375, Wrocław, Poland
| | - Krzysztof Marycz
- Department of Experimental Biology, Wrocław University of Environmental and Life Sciences, Norwida 27B Street, A7 Building, 50-375, Wrocław, Poland.
- International Institute of Translational Medicine, Malin, Jesionowa 11, 55-114, Wisznia Mała, Poland.
- Faculty of Veterinary Medicine, Equine Clinic-Equine Surgery, Justus-Liebig-University, 35392, Giessen, Germany.
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Walker RE, Savinova OV, Pedersen TL, Newman JW, Shearer GC. Effects of inflammation and soluble epoxide hydrolase inhibition on oxylipin composition of very low-density lipoproteins in isolated perfused rat livers. Physiol Rep 2021; 9:e14480. [PMID: 33625776 PMCID: PMC7903942 DOI: 10.14814/phy2.14480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Oxylipins are metabolites of polyunsaturated fatty acids that mediate cardiovascular health by attenuation of inflammation, vascular tone, hemostasis, and thrombosis. Very low-density lipoproteins (VLDL) contain oxylipins, but it is unknown whether the liver regulates their concentrations. In this study, we used a perfused liver model to observe the effect of inflammatory lipopolysaccharide (LPS) challenge and soluble epoxide hydrolase inhibition (sEHi) on VLDL oxylipins. A compartmental model of deuterium-labeled linoleic acid and palmitic acid incorporation into VLDL was also developed to assess the dependence of VLDL oxylipins on fatty acid incorporation rates. LPS decreased the total fatty acid VLDL content by 30% [6%,47%], and decreased final concentration of several oxylipins by a similar amount (13-HOTrE, 35% [4%,55%], -1.3 nM; 9(10)-EpODE, 29% [3%,49%], -2.0 nM; 15(16)-EpODE, 29% [2%,49%], -1.6 nM; AA-derived diols, 32% [5%,52%], -2.4 nM; 19(20)-DiHDPA, 31% [7%,50%], -1.0 nM). However, the EPA-derived epoxide, 17(18)-EpETE, was decreased by 75% [49%,88%], (-0.52 nM) with LPS, double the suppression of other oxylipins. sEHi increased final concentration of DHA epoxide, 16(17)-EpDPE, by 99% [35%,193%], (2.0 nM). Final VLDL-oxylipin concentrations with LPS treatment were not correlated with linoleic acid kinetics, suggesting they were independently regulated under inflammatory conditions. We conclude that the liver regulates oxylipin incorporation into VLDL, and the oxylipin content is altered by LPS challenge and by inhibition of the epoxide hydrolase pathway. This provides evidence for delivery of systemic oxylipin signals by VLDL transport.
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Affiliation(s)
- Rachel E. Walker
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPAUSA
| | - Olga V. Savinova
- Department of Biomedical SciencesNew York Institute of Technology College of Osteopathic MedicineOld WestburyNYUSA
- Sanford ResearchUniversity of South DakotaSioux FallsSDUSA
| | - Theresa L. Pedersen
- Advanced AnalyticsDavisCAUSA
- Department of Food Science and TechnologyUniversity of CaliforniaDavisCAUSA
| | - John W. Newman
- Department of Food Science and TechnologyUniversity of CaliforniaDavisCAUSA
- Obesity and Metabolism Research UnitWestern Human Nutrition Research CenterAgricultural Research ServiceUS Department of AgricultureDavisCAUSA
| | - Gregory C. Shearer
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPAUSA
- Sanford ResearchUniversity of South DakotaSioux FallsSDUSA
- Sanford School of MedicineUniversity of South DakotaSioux FallsSDUSA
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Borkowski K, Newman JW, Aghaeepour N, Mayo JA, Blazenović I, Fiehn O, Stevenson DK, Shaw GM, Carmichael SL. Mid-gestation serum lipidomic profile associations with spontaneous preterm birth are influenced by body mass index. PLoS One 2020; 15:e0239115. [PMID: 33201881 PMCID: PMC7671555 DOI: 10.1371/journal.pone.0239115] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 08/31/2020] [Indexed: 01/11/2023] Open
Abstract
Spontaneous preterm birth (sPTB) is a major cause of infant morbidity and mortality. While metabolic changes leading to preterm birth are unknown, several factors including dyslipidemia and inflammation have been implicated and paradoxically both low (<18.5 kg/m2) and high (>30 kg/m2) body mass indices (BMIs) are risk factors for this condition. The objective of the study was to identify BMI-associated metabolic perturbations and potential mid-gestation serum biomarkers of preterm birth in a cohort of underweight, normal weight and obese women experiencing either sPTB or full-term deliveries (n = 102; n = 17/group). For this purpose, we combined untargeted metabolomics and lipidomics with targeted metabolic profiling of major regulators of inflammation and metabolism, including oxylipins, endocannabinoids, bile acids and ceramides. Women who were obese and had sPTB showed elevated oxidative stress and dyslipidemia characterized by elevated serum free fatty acids. Women who were underweight-associated sPTB also showed evidence of dyslipidemia characterized by elevated phospholipids, unsaturated triglycerides, sphingomyelins, cholesteryl esters and long-chain acylcarnitines. In normal weight women experiencing sPTB, the relative abundance of 14(15)-epoxyeicosatrienoic acid and 14,15-dihydroxyeicosatrienoic acids to other regioisomers were altered at mid-pregnancy. This phenomenon is not yet associated with any biological process, but may be linked to estrogen metabolism. These changes were differentially modulated across BMI groups. In conclusion, using metabolomics we observed distinct BMI-dependent metabolic manifestations among women who had sPTB. These observations suggest the potential to predict sPTB mid-gestation using a new set of metabolomic markers and BMI stratification. This study opens the door to further investigate the role of cytochrome P450/epoxide hydrolase metabolism in sPTB.
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Affiliation(s)
- Kamil Borkowski
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, United States of America
- * E-mail:
| | - John W. Newman
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, United States of America
- United States Department of Agriculture-Agriculture Research Service-Western Human Nutrition Research Center, Davis, CA, United States of America
- Department of Nutrition, University of California-Davis, Davis, CA, United States of America
| | - Nima Aghaeepour
- Department of Anesthesiology, Pain, and Perioperative Medicine, Stanford University School of Medicine, Stanford, CA, United States of America
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States of America
- Department of Biomedical Data Sciences, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Jonathan A. Mayo
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Ivana Blazenović
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, United States of America
| | - Oliver Fiehn
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, United States of America
| | - David K. Stevenson
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Gary M. Shaw
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States of America
| | - Suzan L. Carmichael
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, United States of America
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Grapov D, Fiehn O, Campbell C, Chandler CJ, Burnett DJ, Souza EC, Casazza GA, Keim NL, Hunter GR, Fernandez JR, Garvey WT, Hoppel CL, Harper M, Newman JW, Adams SH. Impact of a weight loss and fitness intervention on exercise-associated plasma oxylipin patterns in obese, insulin-resistant, sedentary women. Physiol Rep 2020; 8:e14547. [PMID: 32869956 PMCID: PMC7460071 DOI: 10.14814/phy2.14547] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/26/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022] Open
Abstract
Very little is known about how metabolic health status, insulin resistance or metabolic challenges modulate the endocannabinoid (eCB) or polyunsaturated fatty acid (PUFA)-derived oxylipin (OxL) lipid classes. To address these questions, plasma eCB and OxL concentrations were determined at rest, 10 and 20 min during an acute exercise bout (30 min total, ~45% of preintervention V̇O2peak , ~63 W), and following 20 min recovery in overnight-fasted sedentary, obese, insulin-resistant women under controlled diet conditions. We hypothesized that increased fitness and insulin sensitivity following a ~14-week training and weight loss intervention would lead to significant changes in lipid signatures using an identical acute exercise protocol to preintervention. In the first 10 min of exercise, concentrations of a suite of OxL diols and hydroxyeicosatetraenoic acid (HETE) metabolites dropped significantly. There was no increase in 12,13-DiHOME, previously reported to increase with exercise and proposed to activate muscle fatty acid uptake and tissue metabolism. Following weight loss intervention, exercise-associated reductions were more pronounced for several linoleate and alpha-linolenate metabolites including DiHOMEs, DiHODEs, KODEs, and EpODEs, and fasting concentrations of 9,10-DiHODE, 12,13-DiHODE, and 9,10-DiHOME were reduced. These findings suggest that improved metabolic health modifies soluble epoxide hydrolase, cytochrome P450 epoxygenase (CYP), and lipoxygenase (LOX) systems. Acute exercise led to reductions for most eCB metabolites, with no evidence for concentration increases even at recovery. It is proposed that during submaximal aerobic exercise, nonoxidative fates of long-chain saturated, monounsaturated, and PUFAs are attenuated in tissues that are important contributors to the blood OxL and eCB pools.
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Affiliation(s)
| | - Oliver Fiehn
- West Coast Metabolomics CenterUniversity of CaliforniaDavisCAUSA
| | - Caitlin Campbell
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
| | - Carol J. Chandler
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
| | - Dustin J. Burnett
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
| | - Elaine C. Souza
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
| | | | - Nancy L. Keim
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
- Department of NutritionUniversity of CaliforniaDavisCAUSA
| | - Gary R. Hunter
- Department of Nutrition SciencesUniversity of AlabamaBirminghamALUSA
- Human Studies DepartmentUniversity of AlabamaBirminghamALUSA
| | - Jose R. Fernandez
- Department of Nutrition SciencesUniversity of AlabamaBirminghamALUSA
| | - W. Timothy Garvey
- Department of Nutrition SciencesUniversity of AlabamaBirminghamALUSA
| | - Charles L. Hoppel
- Pharmacology DepartmentCase Western Reserve UniversityClevelandOHUSA
| | - Mary‐Ellen Harper
- Department of Biochemistry, Microbiology and Immunology, and Ottawa Institute of Systems BiologyUniversity of OttawaOttawaONCanada
| | - John W. Newman
- United States Department of Agriculture‐Agricultural Research Service Western Human Nutrition Research CenterDavisCAUSA
- Department of NutritionUniversity of CaliforniaDavisCAUSA
| | - Sean H. Adams
- Arkansas Children’s Nutrition CenterLittle RockARUSA
- Department of PediatricsUniversity of Arkansas for Medical SciencesLittle RockARUSA
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Tans R, Bande R, van Rooij A, Molloy BJ, Stienstra R, Tack CJ, Wevers RA, Wessels HJCT, Gloerich J, van Gool AJ. Evaluation of cyclooxygenase oxylipins as potential biomarker for obesity-associated adipose tissue inflammation and type 2 diabetes using targeted multiple reaction monitoring mass spectrometry. Prostaglandins Leukot Essent Fatty Acids 2020; 160:102157. [PMID: 32629236 DOI: 10.1016/j.plefa.2020.102157] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 06/16/2020] [Accepted: 06/24/2020] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Obesity is associated with adipose tissue inflammation which in turn drives insulin resistance and the development of type 2 diabetes. Oxylipins are a collection of lipid metabolites, subdivided in different classes, which are involved in inflammatory cascades. They play important roles in regulating adipose tissue homeostasis and inflammation and are therefore putative biomarkers for obesity-associated adipose tissue inflammation and the subsequent risk of type 2 diabetes onset. The objective for this study is to design an assay for a specific oxylipin class and evaluate these as potential prognostic biomarker for obesity-associated adipose tissue inflammation and type 2 diabetes. METHODS An optimized workflow was developed to extract oxylipins from plasma using solid-phase extraction followed by analysis using ultra-high performance liquid chromatography coupled to a triple quadrupole mass spectrometer in multiple reaction monitoring mode. This workflow was applied to clinical plasma samples obtained from obese-type 2 diabetes patients and from lean and obese control subjects. RESULTS The assay was analytically validated and enabled reproducible analyses of oxylipins extracted from plasma with acceptable sensitivities. Analysis of clinical samples revealed discriminative values for four oxylipins between the type 2 diabetes patients and the lean and obese control subjects, viz. PGF2α, PGE2, 15-keto-PGE2 and 13,14-dihydro-15-keto-PGE2. The combination of PGF2α and 15-keto-PGE2 had the most predictive value to discriminate type 2 diabetic patients from lean and obese controls. CONCLUSIONS This proof-of-principle study demonstrates the potential value of oxylipins as biomarkers to discriminate obese individuals from obese-type 2 diabetes patients.
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Affiliation(s)
- Roel Tans
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Rieke Bande
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Arno van Rooij
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Rinke Stienstra
- Department of Internal Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Cees J Tack
- Department of Internal Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Ron A Wevers
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Hans J C T Wessels
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jolein Gloerich
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Alain J van Gool
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands.
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Cole RM, Puchala S, Ke JY, Abdel-Rasoul M, Harlow K, O'Donnell B, Bradley D, Andridge R, Borkowski K, Newman JW, Belury MA. Linoleic Acid-Rich Oil Supplementation Increases Total and High-Molecular-Weight Adiponectin and Alters Plasma Oxylipins in Postmenopausal Women with Metabolic Syndrome. Curr Dev Nutr 2020; 4:nzaa136. [PMID: 32923921 PMCID: PMC7475005 DOI: 10.1093/cdn/nzaa136] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/28/2020] [Accepted: 08/04/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The onset of menopause increases the risk of metabolic syndrome (MetS). Adiponectin is an adipokine associated with insulin sensitivity that is lower in people with MetS. Supplementing diets with linoleic acid (LA)-rich oil increased adiponectin concentrations and improved glucose control in women with type 2 diabetes. The effect of LA on adipokines, especially total and the bioactive form of adiponectin, high-molecular-weight (HMW) adiponectin, in women with MetS is unknown. OBJECTIVES The aim of this study was to explore the effect of supplementation of the diet with an oil rich in LA on adipokines in women with MetS. The effect of the LA-rich oil (LA-oil) on oxylipins, key metabolites that may influence inflammation and metabolism, was also explored. METHODS In this open-label single-arm pilot study, 18 postmenopausal nondiabetic women with MetS enrolled in a 2-phase study were instructed to consume LA-rich vegetable oil (10 mL/d) as part of their habitual diets. Women consumed an oleic acid-rich oil (OA-oil) for 4 wk followed by an LA-oil for 16 wk. Fasting concentrations of adipokines, fatty acids, oxylipins, and markers of glycemia and inflammation were measured. RESULTS After 4 wk of OA-oil consumption, fasting glucose and total adiponectin concentrations decreased whereas fasting C-reactive protein increased. After 16 wk of LA-oil supplementation total and HMW adiponectin and plasma oxylipins increased. Markers of inflammation and glycemia were unchanged after LA-oil consumption. CONCLUSIONS Supplementation with LA-oil increased total and HMW adiponectin concentrations and altered plasma oxylipin profiles. Larger studies are needed to elucidate the links between these changes and MetS.This trial was registered at clinicaltrials.gov as NCT02063165.
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Affiliation(s)
- Rachel M Cole
- Program of Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, USA
| | - Sarah Puchala
- Program of Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, USA
| | - Jia-Yu Ke
- Program of Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, USA
| | | | - Kristin Harlow
- College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Benjamin O'Donnell
- Division of Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - David Bradley
- Division of Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Rebecca Andridge
- College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, USA
| | - John W Newman
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, USA
- USDA Agricultural Research Service Western Human Nutrition Research Center, Davis, CA, USA
- Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Martha A Belury
- Program of Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, USA
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Altered Metabolome of Lipids and Amino Acids Species: A Source of Early Signature Biomarkers of T2DM. J Clin Med 2020; 9:jcm9072257. [PMID: 32708684 PMCID: PMC7409008 DOI: 10.3390/jcm9072257] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/12/2020] [Accepted: 07/14/2020] [Indexed: 12/15/2022] Open
Abstract
Diabetes mellitus, a disease of modern civilization, is considered the major mainstay of mortalities around the globe. A great number of biochemical changes have been proposed to occur at metabolic levels between perturbed glucose, amino acid, and lipid metabolism to finally diagnoe diabetes mellitus. This window period, which varies from person to person, provides us with a unique opportunity for early detection, delaying, deferral and even prevention of diabetes. The early detection of hyperglycemia and dyslipidemia is based upon the detection and identification of biomarkers originating from perturbed glucose, amino acid, and lipid metabolism. The emerging “OMICS” technologies, such as metabolomics coupled with statistical and bioinformatics tools, proved to be quite useful to study changes in physiological and biochemical processes at the metabolic level prior to an eventual diagnosis of DM. Approximately 300–400 such metabolites have been reported in the literature and are considered as predicting or risk factor-reporting metabolic biomarkers for this metabolic disorder. Most of these metabolites belong to major classes of lipids, amino acids and glucose. Therefore, this review represents a snapshot of these perturbed plasma/serum/urinary metabolic biomarkers showing a significant correlation with the future onset of diabetes and providing a foundation for novel early diagnosis and monitoring the progress of metabolic syndrome at early symptomatic stages. As most metabolites also find their origin from gut microflora, metabolism and composition of gut microflora also vary between healthy and diabetic persons, so we also summarize the early changes in the gut microbiome which can be used for the early diagnosis of diabetes.
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Schönke M, Martinez-Tellez B, Rensen PC. Role of the endocannabinoid system in the regulation of the skeletal muscle response to exercise. Curr Opin Pharmacol 2020; 52:52-60. [PMID: 32619926 DOI: 10.1016/j.coph.2020.05.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/21/2020] [Accepted: 05/25/2020] [Indexed: 01/03/2023]
Abstract
Exercise is a valuable tool in the prevention and treatment of cardiometabolic diseases like obesity and type 2 diabetes. Interestingly, endocannabinoids (eCBs), involved in a large range of physiological processes, are elevated with both obesity and acute exercise. In this review we outline this paradox overlap in the context of metabolic health and delineate the transcriptomic response of skeletal muscle to acute and chronic aerobic and resistance exercise in relation to the endocannabinoid system by utilizing a meta-analyses tool. We show that exercise modulates the expression of receptors and enzymes involved in the synthesis and breakdown of eCBs and discuss that eCBs possibly interfere with the anti-inflammatory effect of exercise. The endocannabinoid system (ECS), consisting of certain endogenous lipids (i.e. endocannabinoids), their receptors and associated metabolic enzymes, is involved in the modulation of a plethora of cognitive and physiological processes. Besides its role in the control of, for example, mood formation and immune responses, the ECS takes part in the regulation of appetite and energy metabolism [1,2]. In this current opinion review we will focus on the increased activity of the ECS that is associated with cardiometabolic diseases like obesity and type 2 diabetes (T2D), which paradoxically overlaps with the acute physiological response to exercise. After 1) outlining the role of the ECS in metabolic health, we will 2) discuss the link between endocannabinoid (eCB) action in skeletal muscle and cardiometabolic disease, 3) investigate how exercise modulates the gene expression of ECS components in skeletal muscle and 4) delineate the impact of the ECS on the immune response by skeletal muscle.
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Affiliation(s)
- Milena Schönke
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands.
| | - Borja Martinez-Tellez
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Patrick Cn Rensen
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
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Baddela VS, Sharma A, Vanselow J. Non-esterified fatty acids in the ovary: friends or foes? Reprod Biol Endocrinol 2020; 18:60. [PMID: 32505200 PMCID: PMC7275390 DOI: 10.1186/s12958-020-00617-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 05/25/2020] [Indexed: 12/23/2022] Open
Abstract
A majority of common metabolic diseases can result in excessive lipolysis, leading to elevated levels of non-esterified fatty acids (NEFAs) in the body fluids. In females, increased NEFA levels in the follicular fluid markedly alter the functions of intrafollicular cells such as granulosa cells (GCs) and oocytes. Therefore, elevated levels of NEFAs have been suggested to be a significant player of subfertility in females of both human and economically important animal species such as cattle, buffalo, sheep, pig, chicken, and dog. However, the effects imposed by saturated and unsaturated fatty acids (SFAs and UFAs) on ovarian follicles are controversial. The present review emphasizes that SFAs induce apoptosis in granulosa and cumulus cells of ovarian follicles in different species. They further could adversely affect oocyte maturation and developmental competence. Many types of UFAs affect steroidogenesis and proliferation processes and could be detrimental for follicular cells, especially when at elevated concentrations. Interestingly, monounsaturated fatty acids (MUFAs) appear to contribute to the etiology of the polycystic ovarian syndrome (PCOS) as they were found to induce the transcription and translation of the androgenic transcription factor SOX9 while downregulating its estrogenic counterpart FOXL2 in GCs. Overall, this review presents our revised understanding of the effects of different fatty acids on the female reproductive success, which may allow other researchers and clinicians to investigate the mechanisms for treating metabolic stress-induced female infertility.
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Affiliation(s)
- Vijay Simha Baddela
- grid.418188.c0000 0000 9049 5051Institute of Reproductive Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Arpna Sharma
- grid.418188.c0000 0000 9049 5051Institute of Reproductive Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Jens Vanselow
- grid.418188.c0000 0000 9049 5051Institute of Reproductive Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
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Mo Z, Huang S, Burnett DJ, Rutledge JC, Hwang DH. Endotoxin May Not Be the Major Cause of Postprandial Inflammation in Adults Who Consume a Single High-Fat or Moderately High-Fat Meal. J Nutr 2020; 150:1303-1312. [PMID: 32040591 DOI: 10.1093/jn/nxaa003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/30/2019] [Accepted: 01/07/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Metabolic endotoxemia is considered a cause for high-fat diet (HFD)-induced inflammation. However, convincing experimental evidence in humans is scant. OBJECTIVE We determined whether a HFD or moderately HFD increases LPS and LPS-mediated cytokine production in the postprandial blood (PPB). METHODS Ninety-eight volunteers (age: 37.3 ± 1.5 y) from the cross-sectional phenotyping study (PS) and 62 volunteers (age: 26.8 ± 1.2 y) from the intervention study (IS) consumed a breakfast containing 60% kcal fat (HF) and 36% kcal fat (moderately HF), respectively. For the IS, only the results from the placebo group are presented. Blood samples were probed for LPS-mediated cytokine production by incubating them with LPS inhibitor polymyxin B (PMB) for 24 h at 37°C besides the Limulus amebocyte lysate (LAL) assay. Repeated-measures ANOVA was used to compare the temporal changes of metabolic profiles and treatment outcomes. RESULTS At least 87.5% of the plasma LPS measurements in 32 PS volunteers from each time point were below the LAL assay sensitivity (0.002 EU/mL). PMB suppressed IL-1β (P = 0.035) and IL-6 (P = 0.0487) production in the 3 h PPB of the PS after 24 h incubation at 37°C compared to the vehicle control, suggesting the presence of LPS. However, the amount of LPS did not increase the cytokine concentrations in the 3 h PPB above the fasting concentrations. Such suppression was not detected in the PPB of the IS. Treating whole blood with lipoprotein lipase (LPL) significantly (P < 0.05) increased FFA and cytokine (IL-1β, IL-6, TNF-α) concentrations in both studies. CONCLUSION LPS may not be the major cause of postprandial inflammation in healthy adults consuming a moderately HF meal (36% kcal fat, similar to the typical American diet) or a HF meal (60% kcal fat). Plasma FFAs may modulate postprandial inflammation. The prevailing concept of HFD-induced metabolic endotoxemia requires careful re-evaluation. The PS was registered at clinicaltrials.gov as NCT02367287 and the IS as NCT02472171.
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Affiliation(s)
- Zhenzhen Mo
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Dr., Davis, CA 95616, USA.,Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Shurong Huang
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Dr., Davis, CA 95616, USA
| | - Dustin J Burnett
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Dr., Davis, CA 95616, USA.,Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
| | - John C Rutledge
- Department of Internal Medicine, School of Medicine, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Daniel H Hwang
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Dr., Davis, CA 95616, USA.,Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
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Saleh-Ghadimi S, Kheirouri S, Maleki V, Jafari-Vayghan H, Alizadeh M. Endocannabinoid system and cardiometabolic risk factors: A comprehensive systematic review insight into the mechanistic effects of omega-3 fatty acids. Life Sci 2020; 250:117556. [PMID: 32184122 DOI: 10.1016/j.lfs.2020.117556] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/26/2020] [Accepted: 03/13/2020] [Indexed: 12/21/2022]
Abstract
Increased levels of endocannabinoids, 2-arachidonoylglycerol (2-AG) and arachidonoyl ethanolamide (AEA) have a pathophysiological role in the setting of cardiometabolic diseases. This systematic review was carried out to appraise the effect of omega-3 on cardiometabolic risk factors by highlighting the mediating effect of endocannabinoids. SCOPUS, PubMed, Embase, Google Scholar and ProQuest databases were searched until January 2020. All published English-language animal studies and clinical trials that evaluated the effects of omega-3 on cardiometabolic diseases with a focus on endocannabinoids were included. Of 1407 studies, 16 animal studies and three clinical trials were included for analysis. Eleven animal studies and two human studies showed a marked reduction in 2-AG and AEA levels following intake of omega-3 which correlated with decreased adiposity, weight gain and improved glucose homeostasis. Moreover, endocannabinoids were elevated in three studies that replaced omega-3 with omega-6. Omega-3 showed anti-inflammatory properties due to reduced levels of inflammatory cytokines, regulation of T-cells function and increased levels of eicosapentaenoyl ethanolamide, docosahexaenoyl ethanolamide and oxylipins; however, a limited number of studies examined a correlation between inflammatory cytokines and endocannabinoids following omega-3 administration. In conclusion, omega-3 modulates endocannabinoid tone, which subsequently attenuates inflammation and cardiometabolic risk factors. However, further randomized clinical trials are needed before any recommendations are made to target the ECS using omega-3 as an alternative therapy to drugs for cardiometabolic disease improvement.
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Affiliation(s)
- Sevda Saleh-Ghadimi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sorayya Kheirouri
- Department of Nutrition, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Maleki
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mohammad Alizadeh
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Wallace JM, Milne JS, Aitken BW, Aitken RP, Adam CL. Ovine prenatal growth-restriction and sex influence fetal adipose tissue phenotype and impact postnatal lipid metabolism and adiposity in vivo from birth until adulthood. PLoS One 2020; 15:e0228732. [PMID: 32059008 PMCID: PMC7021317 DOI: 10.1371/journal.pone.0228732] [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: 11/18/2019] [Accepted: 01/21/2020] [Indexed: 11/18/2022] Open
Abstract
Adipose tissue development begins in utero and is a key target of developmental programming. Here the influence of nutritionally-mediated prenatal growth-restriction on perirenal adipose tissue (PAT) gene expression and adipocyte phenotype in late fetal life was investigated in both sexes in an ovine model. Likewise circulating leptin concentrations and non-esterified fatty acid (NEFA) and glycerol responses to glucose challenge were determined in relation to offspring adiposity at key stages from birth to mid-adult life. In both studies' singleton-bearing adolescent sheep were fed control or high nutrient intakes to induce normal or growth-restricted pregnancies, respectively. Fetal growth-restriction at day 130 of gestation (32% lighter) was characterised by greater body-weight-specific PAT mass and higher PAT expression of peroxisome proliferator-activated receptor gamma (PPARɤ), glycerol-3-phosphate dehydrogenase, hormone sensitive lipase (HSL), insulin-like growth factor 1 receptor, and uncoupling protein 1. Independent of prenatal growth, females had a greater body-weight-specific PAT mass, more multilocular adipocytes, higher leptin and lower insulin-like growth factor 1 mRNA than males. Growth-restricted offspring of both sexes (42% lighter at birth) were characterised by higher plasma NEFA concentrations across the life-course (post-fasting and after glucose challenge at 7, 32, 60, 85 and 106 weeks of age) consistent with reduced adipose tissue insulin sensitivity. Circulating plasma leptin correlated with body fat percentage (females>males) and restricted compared with normal females had more body fat and increased abundance of PPARɤ, HSL, leptin and adiponectin mRNA in PAT at necropsy (109 weeks). Therefore, prenatal nutrient supply and sex both influence adipose tissue development with consequences for lipid metabolism and body composition persisting throughout the life-course.
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Affiliation(s)
| | - John S Milne
- Rowett Institute, University of Aberdeen, Aberdeen, United Kingdom
| | - Beth W Aitken
- Rowett Institute, University of Aberdeen, Aberdeen, United Kingdom
| | - Raymond P Aitken
- Rowett Institute, University of Aberdeen, Aberdeen, United Kingdom
| | - Clare L Adam
- Rowett Institute, University of Aberdeen, Aberdeen, United Kingdom
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Yin X, Willinger CM, Keefe J, Liu J, Fernández-Ortiz A, Ibáñez B, Peñalvo J, Adourian A, Chen G, Corella D, Pamplona R, Portero-Otin M, Jove M, Courchesne P, van Duijn CM, Fuster V, Ordovás JM, Demirkan A, Larson MG, Levy D. Lipidomic profiling identifies signatures of metabolic risk. EBioMedicine 2019; 51:102520. [PMID: 31877415 PMCID: PMC6938899 DOI: 10.1016/j.ebiom.2019.10.046] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/19/2019] [Accepted: 10/25/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Metabolic syndrome (MetS), the clustering of metabolic risk factors, is associated with cardiovascular disease risk. We sought to determine if dysregulation of the lipidome may contribute to metabolic risk factors. METHODS We measured 154 circulating lipid species in 658 participants from the Framingham Heart Study (FHS) using liquid chromatography-tandem mass spectrometry and tested for associations with obesity, dysglycemia, and dyslipidemia. Independent external validation was sought in three independent cohorts. Follow-up data from the FHS were used to test for lipid metabolites associated with longitudinal changes in metabolic risk factors. RESULTS Thirty-nine lipids were associated with obesity and eight with dysglycemia in the FHS. Of 32 lipids that were available for replication for obesity and six for dyslipidemia, 28 (88%) replicated for obesity and five (83%) for dysglycemia. Four lipids were associated with longitudinal changes in body mass index and four were associated with changes in fasting blood glucose in the FHS. CONCLUSIONS We identified and replicated several novel lipid biomarkers of key metabolic traits. The lipid moieties identified in this study are involved in biological pathways of metabolic risk and can be explored for prognostic and therapeutic utility.
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Affiliation(s)
- Xiaoyan Yin
- Framingham Heart Study, Framingham, MA, United States; Department of Mathematics and School of Public Health, Boston University, Boston, MA, United States
| | - Christine M Willinger
- Framingham Heart Study, Framingham, MA, United States; Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Joshua Keefe
- Framingham Heart Study, Framingham, MA, United States; Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Jun Liu
- Department of Epidemiology, Erasmus Medical Centre, University Medical Center Rotterdam, Rotterdam, Netherlands; Nuffield Department of Population Health, Oxford University, Oxford, UK
| | - Antonio Fernández-Ortiz
- Tufts University, Friedman School of Nutrition Science and Policy, Boston, MA, United States; Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; Department of Cardiology, Hospital Clinico San Carlos, Madrid, Spain; CIBERCV, Madrid, Spain
| | - Borja Ibáñez
- Tufts University, Friedman School of Nutrition Science and Policy, Boston, MA, United States; Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; CIBERCV, Madrid, Spain; Department of Cardiology, IIS-Fundación Jiménez Díaz, Madrid Spain
| | - José Peñalvo
- Tufts University, Friedman School of Nutrition Science and Policy, Boston, MA, United States
| | | | - George Chen
- Framingham Heart Study, Framingham, MA, United States; Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Dolores Corella
- Department of Preventive Medicine and Public Health, Genetic and Molecular Epidemiology Unit, School of Medicine, University of Valencia, Blasco Ibañez, 15, 46010, Valencia, Spain; CIBER Obesity and Nutrition, Madrid, Spain
| | - Reinald Pamplona
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (UdL-IRBLleida), Lleida, Spain
| | - Manuel Portero-Otin
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (UdL-IRBLleida), Lleida, Spain
| | - Mariona Jove
- Department of Experimental Medicine, University of Lleida-Lleida Biomedical Research Institute (UdL-IRBLleida), Lleida, Spain
| | - Paul Courchesne
- Framingham Heart Study, Framingham, MA, United States; Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Centre, University Medical Center Rotterdam, Rotterdam, Netherlands; Nuffield Department of Population Health, Oxford University, Oxford, UK; Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Valentín Fuster
- Tufts University, Friedman School of Nutrition Science and Policy, Boston, MA, United States; Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicina at Mount Sinai School, New York, USA
| | - José M Ordovás
- Tufts University, Friedman School of Nutrition Science and Policy, Boston, MA, United States; Jean Mayer USDA-Human Nutrition Research on Aging, Tufts University, Boston, MA, United States
| | - Ayşe Demirkan
- Department of Epidemiology, Erasmus Medical Centre, University Medical Center Rotterdam, Rotterdam, Netherlands; Department of Genetics, University Medical Center Groningen, Groningen, Netherlands
| | - Martin G Larson
- Framingham Heart Study, Framingham, MA, United States; Department of Biostatistics, Boston University School of Public Health, Boston, MA, United States
| | - Daniel Levy
- Framingham Heart Study, Framingham, MA, United States; Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States.
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Abstract
The intestinal microbiota and the expanded endocannabinoid system, or endocannabinoidome, have both been implicated in diet-induced obesity and dysmetabolism. This study aims at identifying the potential interactions between these two fundamental systems—which form the gut microbiota-endocannabinoidome axis—and their involvement in the establishment of diet-induced obesity and related metabolic complications. We report here time- and segment-specific microbiome disturbances as well as modifications of intestinal and circulating endocannabinoidome mediators during high-fat, high-sucrose diet-induced glucose intolerance and subsequent obesity and hyperinsulinemia. This highlights the involvement of, and the interaction between, the gut microbiota and the endocannabinoidome during metabolic adaptation to high-fat and high-sucrose feeding. These results will help identifying actionable gut microbiome members and/or endocannabinoidome mediators to improve metabolic health. The intestinal microbiota and the expanded endocannabinoid (eCB) system, or endocannabinoidome (eCBome), have both been implicated in diet-induced obesity and dysmetabolism. These systems were recently suggested to interact during the development of obesity. We aimed at identifying the potential interactions between gut microbiota composition and the eCBome during the establishment of diet-induced obesity and metabolic complications. Male mice were fed a high-fat, high-sucrose (HFHS) diet for 56 days to assess jejunum, ileum, and cecum microbiomes by 16S rRNA gene metataxonomics as well as ileum and plasma eCBome by targeted liquid chromatography-tandem mass spectrometry (LC-MS/MS). The HFHS diet induced early (3 days) and persistent glucose intolerance followed by weight gain and hyperinsulinemia. Concomitantly, it induced the elevation of the two eCBs, anandamide, in both ileum and plasma, and 2-arachidonoyl-glycerol, in plasma, as well as alterations in several other N-acylethanolamines and 2-acylglycerols. It also promoted segment-specific changes in the relative abundance of several genera in intestinal microbiota, some of which were observed as early as 3 days following HFHS diet. Weight-independent correlations were found between the relative abundances of, among others, Barnesiella, Eubacterium, Adlercreutzia, Parasutterella, Propionibacterium, Enterococcus, and Methylobacterium and the concentrations of anandamide and the anti-inflammatory eCBome mediator N-docosahexaenoyl-ethanolamine. This study highlights for the first time the existence of potential interactions between the eCBome, an endogenous system of multifunctional signaling lipids, and several intestinal genera during early and late HFHS-induced dysmetabolic events, with potential impact on the host capability of adapting to increased intake of fat and sucrose. IMPORTANCE The intestinal microbiota and the expanded endocannabinoid system, or endocannabinoidome, have both been implicated in diet-induced obesity and dysmetabolism. This study aims at identifying the potential interactions between these two fundamental systems—which form the gut microbiota-endocannabinoidome axis—and their involvement in the establishment of diet-induced obesity and related metabolic complications. We report here time- and segment-specific microbiome disturbances as well as modifications of intestinal and circulating endocannabinoidome mediators during high-fat, high-sucrose diet-induced glucose intolerance and subsequent obesity and hyperinsulinemia. This highlights the involvement of, and the interaction between, the gut microbiota and the endocannabinoidome during metabolic adaptation to high-fat and high-sucrose feeding. These results will help identifying actionable gut microbiome members and/or endocannabinoidome mediators to improve metabolic health.
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49
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Veilleux A, Di Marzo V, Silvestri C. The Expanded Endocannabinoid System/Endocannabinoidome as a Potential Target for Treating Diabetes Mellitus. Curr Diab Rep 2019; 19:117. [PMID: 31686231 DOI: 10.1007/s11892-019-1248-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW The endocannabinoid (eCB) system, i.e. the receptors that respond to the psychoactive component of cannabis, their endogenous ligands and the ligand metabolic enzymes, is part of a larger family of lipid signals termed the endocannabinoidome (eCBome). We summarize recent discoveries of the roles that the eCBome plays within peripheral tissues in diabetes, and how it is being targeted, in an effort to develop novel therapeutics for the treatment of this increasingly prevalent disease. RECENT FINDINGS As with the eCB system, many eCBome members regulate several physiological processes, including energy intake and storage, glucose and lipid metabolism and pancreatic health, which contribute to the development of type 2 diabetes (T2D). Preclinical studies increasingly support the notion that targeting the eCBome may beneficially affect T2D. The eCBome is implicated in T2D at several levels and in a variety of tissues, making this complex lipid signaling system a potential source of many potential therapeutics for the treatments for T2D.
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Affiliation(s)
- Alain Veilleux
- École de nutrition, Université Laval, Québec, QC, Canada
- Institut sur la nutrition et les aliments fonctionnels, Université Laval, Québec, QC, Canada
- Canadian Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, Québec, Canada
| | - Vincenzo Di Marzo
- École de nutrition, Université Laval, Québec, QC, Canada
- Institut sur la nutrition et les aliments fonctionnels, Université Laval, Québec, QC, Canada
- Canadian Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, Québec, Canada
- Institut de cardiologie et de pneumologie de Québec, Université Laval, Québec, QC, Canada
- Department de médecine, Université Laval, Québec, QC, Canada
| | - Cristoforo Silvestri
- Canadian Excellence Research Chair on the Microbiome-Endocannabinoidome Axis in Metabolic Health, Québec, Canada.
- Institut de cardiologie et de pneumologie de Québec, Université Laval, Québec, QC, Canada.
- Department de médecine, Université Laval, Québec, QC, Canada.
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50
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Ramsden CE, Yuan ZX, Horowitz MS, Zamora D, Majchrzak-Hong SF, Muhlhausler BS, Taha AY, Makrides M, Gibson RA. Temperature and time-dependent effects of delayed blood processing on oxylipin concentrations in human plasma. Prostaglandins Leukot Essent Fatty Acids 2019; 150:31-37. [PMID: 31568925 PMCID: PMC9125678 DOI: 10.1016/j.plefa.2019.09.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 01/06/2023]
Abstract
BACKGROUND Oxidized derivatives of polyunsaturated fatty acids, collectively known as oxylipins, are labile bioactive mediators with diverse roles in human physiology and pathology. Oxylipins are increasingly being measured in plasma collected in clinical studies to investigate biological mechanisms and as pharmacodynamic biomarkers for nutrient-based and drug-based interventions. Whole blood is generally stored either on ice or at room temperature prior to processing. However, the potential impacts of delays in processing, and of temperature prior to processing, on oxylipin concentrations are incompletely understood. OBJECTIVE To evaluate the effects of delayed processing of blood samples in a timeframe that is typical of a clinical laboratory setting, using typical storage temperatures, on concentrations of representative unesterified oxylipins measured by liquid chromatography-tandem mass spectrometry. DESIGN Whole blood (drawn on three separate occasions from a single person) was collected into 5 mL purple-top potassium-EDTA tubes and stored for 0, 10, 20, 30, 60 or 120 min at room temperature or on wet ice, followed by centrifugation at 4 °C for 10 min with plasma collection. Each sample was run in duplicate, therefore there were six tubes and up to six data points at each time point for each oxylipin at each condition (ice/room temperature). Representative oxylipins derived from arachidonic acid, docosahexaenoic acid, and linoleic acid were quantified by liquid chromatography tandem mass spectrometry. Longitudinal models were used to estimate differences between temperature groups 2 h after blood draw. RESULTS We found that most oxylipins measured in human plasma in traditional potassium-EDTA tubes are reasonably stable when stored on ice for up to 2 h prior to processing, with little evidence of auto-oxidation in either condition. By contrast, in whole blood stored at room temperature, substantial time-dependent increases in the 12-lipoxygenase-derived (12-HETE, 14-HDHA) and platelet-derived (thromboxane B2) oxylipins were observed. CONCLUSION These findings suggest that certain plasma oxylipins can be measured with reasonable accuracy despite delayed processing for up to 2 h when blood is stored on ice prior to centrifugation. 12-Lipoxygenase- and platelet-derived oxylipins may be particularly sensitive to post-collection artifact with delayed processing at room temperature. Future studies are needed to determine impacts of duration and temperature of centrifugation on oxylipin concentrations.
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Affiliation(s)
- Christopher E Ramsden
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA; National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA; University of Adelaide, Adelaide, SA, Australia.
| | - Zhi-Xin Yuan
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Mark S Horowitz
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Daisy Zamora
- Laboratory of Clinical Investigation, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Sharon F Majchrzak-Hong
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | | | - Ameer Y Taha
- Department of Food Science and Technology, College of Agriculture and Environmental Sciences, University of California, Davis, CA, USA
| | - Maria Makrides
- University of Adelaide, Adelaide, SA, Australia; South Australian Health and Medical Research Institute, Adelaide, SA, Australia
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