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Shayan M, Kamalian S, Sahebkar A, Tayarani-Najaran Z. Flaxseed for Health and Disease: Review of Clinical Trials. Comb Chem High Throughput Screen 2020; 23:699-722. [PMID: 32436825 DOI: 10.2174/1386207323666200521121708] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 01/29/2020] [Accepted: 03/17/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND Flaxseed (Linum usitatissimum) is an oil-based seed that contains high amounts of alpha-linolenic acid, linoleic acid, lignans, fiber and many other bioactive components which is suggested for a healthier life. Nowadays, flaxseed is known as a remarkable functional food with different health benefits for humans and protects against cardiovascular disease, diabetes, dyslipidemia, obesity and altogether metabolic syndrome. METHODS To review the bioactive components of flaxseed and their potential health effects, PubMed and Scopus were searched from commencement to July 2019. Keywords including: "flaxseed", "Linum usitatissimum", "metabolic syndrome", "obesity", "inflammation", "insulin resistance", "diabetes", "hyperlipidemia" and "menopause" were searched in the databases with varying combinations. CONCLUSION Consumption of flaxseed in different forms has valuable effects and protects against cardiovascular disease, hypertension, diabetes, dyslipidemia, inflammation and some other complications. Flaxseed can serve as a promising candidate for the management of metabolic syndrome to control blood lipid levels, fasting blood sugar, insulin resistance, body weight, waist circumference, body mass and blood pressure.
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Affiliation(s)
- Mersedeh Shayan
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Safa Kamalian
- Departments of Pharmacodynamics and Toxicology, Faculty of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran,Polish Mother’s Memorial Hospital Research Institute (PMMHRI), Lodz, Poland
| | - Zahra Tayarani-Najaran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Koelmel JP, Napolitano MP, Ulmer CZ, Vasiliou V, Garrett TJ, Yost RA, Prasad MNV, Godri Pollitt KJ, Bowden JA. Environmental lipidomics: understanding the response of organisms and ecosystems to a changing world. Metabolomics 2020; 16:56. [PMID: 32307636 DOI: 10.1007/s11306-020-01665-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 03/13/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Understanding the interaction between organisms and the environment is important for predicting and mitigating the effects of global phenomena such as climate change, and the fate, transport, and health effects of anthropogenic pollutants. By understanding organism and ecosystem responses to environmental stressors at the molecular level, mechanisms of toxicity and adaptation can be determined. This information has important implications in human and environmental health, engineering biotechnologies, and understanding the interaction between anthropogenic induced changes and the biosphere. One class of molecules with unique promise for environmental science are lipids; lipids are highly abundant and ubiquitous across nearly all organisms, and lipid profiles often change drastically in response to external stimuli. These changes allow organisms to maintain essential biological functions, for example, membrane fluidity, as they adapt to a changing climate and chemical environment. Lipidomics can help scientists understand the historical and present biofeedback processes in climate change and the biogeochemical processes affecting nutrient cycles. Lipids can also be used to understand how ecosystems respond to historical environmental changes with lipid signatures dating back to hundreds of millions of years, which can help predict similar changes in the future. In addition, lipids are direct targets of environmental stressors, for example, lipids are easily prone to oxidative damage, which occurs during exposure to most toxins. AIM OF REVIEW This is the first review to summarize the current efforts to comprehensively measure lipids to better understand the interaction between organisms and their environment. This review focuses on lipidomic applications in the arenas of environmental toxicology and exposure assessment, xenobiotic exposures and health (e.g., obesity), global climate change, and nutrient cycles. Moreover, this review summarizes the use of and the potential for lipidomics in engineering biotechnologies for the remediation of persistent compounds and biofuel production. KEY SCIENTIFIC CONCEPT With the preservation of certain lipids across millions of years and our ever-increasing understanding of their diverse biological roles, lipidomic-based approaches provide a unique utility to increase our understanding of the contemporary and historical interactions between organisms, ecosystems, and anthropogenically-induced environmental changes.
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Affiliation(s)
- Jeremy P Koelmel
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - Michael P Napolitano
- CSS, Inc., under contract to National Oceanic and Atmospheric Administration, National Centers for Coastal Ocean Science, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, SC, 29412, USA
| | - Candice Z Ulmer
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Ft. Johnson Road, Charleston, SC, 29412, USA
| | - Vasilis Vasiliou
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - Timothy J Garrett
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Richard A Yost
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - M N V Prasad
- Department of Plant Sciences, University of Hyderabad, Hyderabad, Telangana, 500046, India
| | - Krystal J Godri Pollitt
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - John A Bowden
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, 1333 Center Drive, Gainesville, FL, 32610, USA.
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Todorov H, Kollar B, Bayer F, Brandão I, Mann A, Mohr J, Pontarollo G, Formes H, Stauber R, Kittner JM, Endres K, Watzer B, Nockher WA, Sommer F, Gerber S, Reinhardt C. α-Linolenic Acid-Rich Diet Influences Microbiota Composition and Villus Morphology of the Mouse Small Intestine. Nutrients 2020; 12:nu12030732. [PMID: 32168729 PMCID: PMC7146139 DOI: 10.3390/nu12030732] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 12/14/2022] Open
Abstract
α-Linolenic acid (ALA) is well-known for its anti-inflammatory activity. In contrast, the influence of an ALA-rich diet on intestinal microbiota composition and its impact on small intestine morphology are not fully understood. In the current study, we kept adult C57BL/6J mice for 4 weeks on an ALA-rich or control diet. Characterization of the microbial composition of the small intestine revealed that the ALA diet was associated with an enrichment in Prevotella and Parabacteroides. In contrast, taxa belonging to the Firmicutes phylum, including Lactobacillus, Clostridium cluster XIVa, Lachnospiraceae and Streptococcus, had significantly lower abundance compared to control diet. Metagenome prediction indicated an enrichment in functional pathways such as bacterial secretion system in the ALA group, whereas the two-component system and ALA metabolism pathways were downregulated. We also observed increased levels of ALA and its metabolites eicosapentanoic and docosahexanoic acid, but reduced levels of arachidonic acid in the intestinal tissue of ALA-fed mice. Furthermore, intestinal morphology in the ALA group was characterized by elongated villus structures with increased counts of epithelial cells and reduced epithelial proliferation rate. Interestingly, the ALA diet reduced relative goblet and Paneth cell counts. Of note, high-fat Western-type diet feeding resulted in a comparable adaptation of the small intestine. Collectively, our study demonstrates the impact of ALA on the gut microbiome and reveals the nutritional regulation of gut morphology.
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Affiliation(s)
- Hristo Todorov
- Institute for Developmental Biology and Neurobiology, Faculty of Biology and Center for Computational Sciences in Mainz, Johannes Gutenberg-University Mainz, Staudingerweg 9, 55128 Mainz, Germany; (H.T.); (S.G.)
- Fresenius Kabi Deutschland GmbH, Borkenberg 14, 61440 Oberursel, Germany
| | - Bettina Kollar
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Franziska Bayer
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Inês Brandão
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
- Centro de Apoio Tecnológico Agro Alimentar (CATAA), Zona Industrial de Castelo Branco, Rua A, 6000-459 Castelo Branco, Portugal
| | - Amrit Mann
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Julia Mohr
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Giulia Pontarollo
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Henning Formes
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
| | - Roland Stauber
- Nanobiomedicine, University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany;
| | - Jens M. Kittner
- Medical Department 2 (Gastroenterology, Hepatology, Pneumology, Endocrinology) Klinikum Darmstadt GmbH, Grafenstr. 9, 64283 Darmstadt, Germany;
| | - Kristina Endres
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, 55131 Mainz, Germany
| | - Bernhard Watzer
- Metabolomics Core Facility, Philipps-University, 35043 Marburg, Germany;
| | - Wolfgang Andreas Nockher
- Institute of Laboratory Medicine and Pathobiochemistry, Philipps-University, 35043 Marburg, Germany;
| | - Felix Sommer
- Institute of Clinical Molecular Biology, Christian-Albrechts-University Kiel, 24105 Kiel, Germany;
| | - Susanne Gerber
- Institute for Developmental Biology and Neurobiology, Faculty of Biology and Center for Computational Sciences in Mainz, Johannes Gutenberg-University Mainz, Staudingerweg 9, 55128 Mainz, Germany; (H.T.); (S.G.)
| | - Christoph Reinhardt
- Center for Thrombosis and Hemostasis (CTH), University Medical Center Mainz, Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany; (B.K.); (I.B.); (A.M.); (J.M.); (G.P.)
- German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, 55131 Mainz, Germany
- Correspondence: ; Tel.: +49-6131-17-8280
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Joffre C, Dinel AL, Chataigner M, Pallet V, Layé S. n-3 Polyunsaturated Fatty Acids and Their Derivates Reduce Neuroinflammation during Aging. Nutrients 2020; 12:nu12030647. [PMID: 32121189 PMCID: PMC7146513 DOI: 10.3390/nu12030647] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/15/2022] Open
Abstract
: Aging is associated to cognitive decline, which can lead to loss of life quality, personal suffering, and ultimately neurodegenerative diseases. Neuroinflammation is one of the mechanisms explaining the loss of cognitive functions. Indeed, aging is associated to the activation of inflammatory signaling pathways, which can be targeted by specific nutrients with anti-inflammatory effects. Dietary n-3 polyunsaturated fatty acids (PUFAs) are particularly attractive as they are present in the brain, possess immunomodulatory properties, and are precursors of lipid derivates named specialized pro-resolving mediators (SPM). SPMs are crucially involved in the resolution of inflammation that is modified during aging, resulting in chronic inflammation. In this review, we first examine the effect of aging on neuroinflammation and then evaluate the potential beneficial effect of n-3 PUFA as precursors of bioactive derivates, particularly during aging, on the resolution of inflammation. Lastly, we highlight evidence supporting a role of n-3 PUFA during aging.
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Affiliation(s)
- Corinne Joffre
- Université de Bordeaux, INRAE, Bordeaux INP, NutriNeuro, 146 rue Léo Saignat, 33076 Bordeaux, France; (M.C.); (V.P.); (S.L.)
- Correspondence:
| | - Anne-Laure Dinel
- NutriBrain Research and Technology Transfer, NutriNeuro, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Mathilde Chataigner
- Université de Bordeaux, INRAE, Bordeaux INP, NutriNeuro, 146 rue Léo Saignat, 33076 Bordeaux, France; (M.C.); (V.P.); (S.L.)
- Abyss Ingredients, 56850 Caudan, France
| | - Véronique Pallet
- Université de Bordeaux, INRAE, Bordeaux INP, NutriNeuro, 146 rue Léo Saignat, 33076 Bordeaux, France; (M.C.); (V.P.); (S.L.)
| | - Sophie Layé
- Université de Bordeaux, INRAE, Bordeaux INP, NutriNeuro, 146 rue Léo Saignat, 33076 Bordeaux, France; (M.C.); (V.P.); (S.L.)
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Gladine C, Ostermann AI, Newman JW, Schebb NH. MS-based targeted metabolomics of eicosanoids and other oxylipins: Analytical and inter-individual variabilities. Free Radic Biol Med 2019; 144:72-89. [PMID: 31085232 DOI: 10.1016/j.freeradbiomed.2019.05.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 04/19/2019] [Accepted: 05/10/2019] [Indexed: 02/07/2023]
Abstract
Oxylipins, including the well-known eicosanoids, are potent lipid mediators involved in numerous physiological and pathological processes. Therefore, their quantitative profiling has gained a lot of attention during the last years notably in the active field of health biomarker discovery. Oxylipins include hundreds of structurally and stereochemically distinct lipid species which today are most commonly analyzed by (ultra) high performance liquid chromatography-mass spectrometry based ((U)HPLC-MS) methods. To maximize the utility of oxylipin profiling in clinical research, it is crucial to understand and assess the factors contributing to the analytical and biological variability of oxylipin profiles in humans. In this review, these factors and their impacts are summarized and discussed, providing a framework for recommendations expected to enhance the interlaboratory comparability and biological interpretation of oxylipin profiling in clinical research.
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Affiliation(s)
- Cécile Gladine
- Université Clermont Auvergne, INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont-Ferrand, France.
| | - Annika I Ostermann
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, Gaußstraße 20, University of Wuppertal, 42119, Wuppertal, Germany
| | - John W Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA; University of California Davis, Department of Nutrition, Davis, CA, USA
| | - Nils Helge Schebb
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, Gaußstraße 20, University of Wuppertal, 42119, Wuppertal, Germany
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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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Kurano M, Yasukawa K, Ikeda H, Aoki J, Yatomi Y. Redox state of albumin affects its lipid mediator binding characteristics. Free Radic Res 2019; 53:892-900. [DOI: 10.1080/10715762.2019.1641603] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Makoto Kurano
- Department of Clinical Laboratory, Medicine, The University of Tokyo, Tokyo, Japan
| | - Keiko Yasukawa
- Department of Clinical Laboratory, Medicine, The University of Tokyo, Tokyo, Japan
| | - Hitoshi Ikeda
- Department of Clinical Laboratory, Medicine, The University of Tokyo, Tokyo, Japan
| | - Junken Aoki
- Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
| | - Yutaka Yatomi
- Department of Clinical Laboratory, Medicine, The University of Tokyo, Tokyo, Japan
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58
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Gao B, Lang S, Duan Y, Wang Y, Shawcross DL, Louvet A, Mathurin P, Ho SB, Stärkel P, Schnabl B. Serum and Fecal Oxylipins in Patients with Alcohol-Related Liver Disease. Dig Dis Sci 2019; 64:1878-1892. [PMID: 31076986 PMCID: PMC6588282 DOI: 10.1007/s10620-019-05638-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 04/20/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Alcohol-related liver disease is one of the most prevalent chronic liver diseases worldwide. Mechanisms involved in the pathogenesis of alcohol-related liver disease are not well understood. Oxylipins play a crucial role in numerous biological processes and pathological conditions. Nevertheless, oxylipins are not well studied in alcohol-related liver disease. AIMS (1) To characterize the patterns of bioactive ω-3 and ω-6 polyunsaturated fatty acid metabolites in alcohol use disorder and alcoholic hepatitis patients and (2) to identify associations of serum oxylipins with clinical parameters in patients with alcohol-related liver disease. METHODS We performed a comprehensive liquid chromatography with tandem mass spectrometry (LC-MS/MS) analysis of serum and fecal oxylipins derived from ω-6 arachidonic acid, ω-3 eicosapentaenoic acid, and docosahexaenoic acid in a patient cohort with alcohol-related liver disease. RESULTS Our results show profound alterations in the serum oxylipin profile of patients with alcohol use disorder and alcoholic hepatitis compared to nonalcoholic controls. Spearman correlation of the oxylipins with clinical parameters shows a link between different serum oxylipins and intestinal permeability, aspartate aminotransferase, bilirubin, albumin, international normalized ratio, platelet count, steatosis, fibrosis and model for end-stage liver disease score. Especially, higher level of serum 20-HETE was significantly associated with decreased albumin, increased hepatic steatosis, polymorphonuclear infiltration, and 90-day mortality. CONCLUSIONS Patients with alcohol-related liver disease have different oxylipin profiles. Future studies are required to confirm oxylipins as disease biomarker or to connect oxylipins to disease pathogenesis.
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Affiliation(s)
- Bei Gao
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sonja Lang
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Yi Duan
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, VA San Diego Healthcare System, San Diego, CA, USA
| | - Yanhan Wang
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, VA San Diego Healthcare System, San Diego, CA, USA
| | - Debbie L. Shawcross
- Institute of Liver Studies, King’s College London School of Medicine at King’s College Hospital, King’s College Hospital, London, UK
| | - Alexandre Louvet
- Service des Maladies de L’appareil Digestif et Unité INSERM, Hôpital Huriez, Lille, France
| | - Philippe Mathurin
- Service des Maladies de L’appareil Digestif et Unité INSERM, Hôpital Huriez, Lille, France
| | - Samuel B. Ho
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, VA San Diego Healthcare System, San Diego, CA, USA
| | - Peter Stärkel
- St. Luc University Hospital, Université Catholique de Louvain, Brussels, Belgium
| | - Bernd Schnabl
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, VA San Diego Healthcare System, San Diego, CA, USA
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Deol P, Yang J, Morisseau C, Hammock BD, Sladek FM. Dimethyl Sulfoxide Decreases Levels of Oxylipin Diols in Mouse Liver. Front Pharmacol 2019; 10:580. [PMID: 31191316 PMCID: PMC6548860 DOI: 10.3389/fphar.2019.00580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/06/2019] [Indexed: 12/28/2022] Open
Abstract
Dimethylsulfoxide (DMSO) is widely used as a solvent and cryopreservative in laboratories and considered to have many beneficial health effects in humans. Oxylipins are a class of biologically active metabolites of polyunsaturated fatty acids (PUFAs) that have been linked to a number of diseases. In this study, we investigated the effect of DMSO on oxylipin levels in mouse liver. Liver tissue from male mice (C57Bl6/N) that were either untreated or injected with 1% DMSO at 18 weeks of age was analyzed for oxylipin levels using ultrahigh performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). A decrease in oxylipin diols from linoleic acid (LA, C18:2n6), alpha-linolenic acid (ALA, C18:3n3) and docosahexeanoic acid (DHA, C22:6n3) was observed 2 h after injection with DMSO. In contrast, DMSO had no effect on the epoxide precursors or other oxylipins including those derived from arachidonic acid (C20:4n6) or eicosapentaenoic acid (EPA, C20:5n3). It also did not significantly affect the diol:epoxide ratio, suggesting a pathway distinct from, and potentially complementary to, soluble epoxide hydrolase inhibitors (sEHI). Since oxylipins have been associated with a wide array of pathological conditions, from arthritis pain to obesity, our results suggest one potential mechanism underlying the apparent beneficial health effects of DMSO. They also indicate that caution should be used in the interpretation of results using DMSO as a vehicle in animal experiments.
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Affiliation(s)
- Poonamjot Deol
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, Riverside, CA, United States
| | - Jun Yang
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, Davis, CA, United States
| | - Christophe Morisseau
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, Davis, CA, United States
| | - Bruce D Hammock
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, Davis, CA, United States
| | - Frances M Sladek
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, Riverside, CA, United States
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Stamenkovic A, Ganguly R, Aliani M, Ravandi A, Pierce GN. Overcoming the Bitter Taste of Oils Enriched in Fatty Acids to Obtain Their Effects on the Heart in Health and Disease. Nutrients 2019; 11:E1179. [PMID: 31137794 PMCID: PMC6566568 DOI: 10.3390/nu11051179] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/13/2019] [Accepted: 05/22/2019] [Indexed: 01/18/2023] Open
Abstract
Fatty acids come in a variety of structures and, because of this, create a variety of functions for these lipids. Some fatty acids have a role to play in energy metabolism, some help in lipid storage, cell structure, the physical state of the lipid, and even in food stability. Fatty acid metabolism plays a particularly important role in meeting the energy demands of the heart. It is the primary source of myocardial energy in control conditions. Its role changes dramatically in disease states in the heart, but the pathologic role these fatty acids play depends upon the type of cardiovascular disease and the type of fatty acid. However, no matter how good a food is for one's health, its taste will ultimately become a deciding factor in its influence on human health. No food will provide health benefits if it is not ingested. This review discusses the taste characteristics of culinary oils that contain fatty acids and how these fatty acids affect the performance of the heart during healthy and diseased conditions. The contrasting contributions that different fatty acid molecules have in either promoting cardiac pathologies or protecting the heart from cardiovascular disease is also highlighted in this article.
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Affiliation(s)
- Aleksandra Stamenkovic
- Institute of Cardiovascular Sciences, St Boniface Hospital, Winnipeg, MB R2H2A6, Canada.
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E0W3, Canada.
| | - Riya Ganguly
- Institute of Cardiovascular Sciences, St Boniface Hospital, Winnipeg, MB R2H2A6, Canada.
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E0W3, Canada.
| | - Michel Aliani
- Canadian Centre for Agri-Food Research in Health and Medicine (CCARM), Albrechtsen Research Centre, St Boniface Hospital, University of Manitoba, Winnipeg, MB R2H2A6, Canada.
- Department of Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB R2H2A6, Canada.
| | - Amir Ravandi
- Institute of Cardiovascular Sciences, St Boniface Hospital, Winnipeg, MB R2H2A6, Canada.
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E0W3, Canada.
- Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E0W3, Canada.
| | - Grant N Pierce
- Institute of Cardiovascular Sciences, St Boniface Hospital, Winnipeg, MB R2H2A6, Canada.
- Department of Physiology and Pathophysiology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E0W3, Canada.
- Canadian Centre for Agri-Food Research in Health and Medicine (CCARM), Albrechtsen Research Centre, St Boniface Hospital, University of Manitoba, Winnipeg, MB R2H2A6, Canada.
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Modern Methods of Sample Preparation for the Analysis of Oxylipins in Biological Samples. Molecules 2019; 24:molecules24081639. [PMID: 31027298 PMCID: PMC6515351 DOI: 10.3390/molecules24081639] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/12/2019] [Accepted: 04/17/2019] [Indexed: 12/20/2022] Open
Abstract
Oxylipins are potent lipid mediators derived from polyunsaturated fatty acids, which play important roles in various biological processes. Being important regulators and/or markers of a wide range of normal and pathological processes, oxylipins are becoming a popular subject of research; however, the low stability and often very low concentration of oxylipins in samples are a significant challenge for authors and continuous improvement is required in both the extraction and analysis techniques. In recent years, the study of oxylipins has been directly related to the development of new technological platforms based on mass spectrometry (LC–MS/MS and gas chromatography–mass spectrometry (GC–MS)/MS), as well as the improvement in methods for the extraction of oxylipins from biological samples. In this review, we systematize and compare information on sample preparation procedures, including solid-phase extraction, liquid–liquid extraction from different biological tissues.
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Nieman DC, Gillitt ND, Chen GY, Zhang Q, Sakaguchi CA, Stephan EH. Carbohydrate intake attenuates post-exercise plasma levels of cytochrome P450-generated oxylipins. PLoS One 2019; 14:e0213676. [PMID: 30883596 PMCID: PMC6422332 DOI: 10.1371/journal.pone.0213676] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/26/2019] [Indexed: 01/08/2023] Open
Abstract
Introduction Oxylipins are bioactive oxidation products derived from n-6 and n-3 polyunsaturated fatty acids (PUFAs) in the linoleic acid and α-linolenic desaturation pathways. Purpose This study determined if carbohydrate intake during prolonged and intensive cycling countered post-exercise increases in n-6 and n-3 PUFA-derived oxylipins. Methods The research design utilized a randomized, crossover, counterbalanced approach with cyclists (N = 20, overnight fasted state, 7:00 am start) who engaged in four 75-km time trials while ingesting two types of bananas (Cavendish, Mini-yellow), a 6% sugar beverage, and water only. Carbohydrate intake was set at 0.2 g/kg every 15 minutes, and blood samples were collected pre-exercise and 0 h-, 0.75 h-,1.5 h-, 3 h-, 4.5 h-, 21 h-, 45 h-post-exercise. Oxylipins were measured with a targeted liquid chromatography-multiple reaction monitoring mass spectrometric method. Results Significant time effects and substantial fold-increases (immediately post-exercise/pre-exercise) were measured for plasma levels of arachidonic acid (ARA), eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and 43 of 45 oxylipins. Significant interaction effects (4 trials x 8 time points) were found for plasma ARA (P<0.001) and DHA (P<0.001), but not EPA (P = 0.255), with higher post-exercise values found in the water trial compared to the carbohydrate trials. Significant interaction effects were also measured for 12 of 45 oxylipins. The data supported a strong exercise-induced increase in plasma levels of these oxylipins during the water trial, with carbohydrate ingestion (both bananas types and the sugar beverage) attenuating oxylipin increases, especially those (9 of 12) generated from the cytochrome P-450 (CYP) enzyme system. These trials differences were especially apparent within the first three hours of recovery from the 75-km cycling bout. Conclusions Prolonged and intensive exercise evoked a transient but robust increase in plasma levels of oxylipins, with a significant attenuation effect linked to acute carbohydrate ingestion for 28% of these, especially those generated through the CYP enzyme system. Trial registration ClinicalTrials.gov, U.S. National Institutes of Health, NCT02994628
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Affiliation(s)
- David C. Nieman
- Human Performance Laboratory, Appalachian State University, North Carolina Research Campus, Kannapolis, North Carolina, United States of America
- * E-mail:
| | - Nicholas D. Gillitt
- Dole Nutrition Research Laboratory, North Carolina Research Campus, Kannapolis, North Carolina, United States of America
| | - Guan-Yuan Chen
- UNCG Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina, United States of America
| | - Qibin Zhang
- UNCG Center for Translational Biomedical Research, University of North Carolina at Greensboro, North Carolina Research Campus, Kannapolis, North Carolina, United States of America
| | - Camila A. Sakaguchi
- Physical Therapy Department, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Ella H. Stephan
- Department of Nutrition, UNC Gillings School of Global Public Health, University of North Carolina-Chapel Hill, NC, United States of America
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Nieman DC, Lila MA, Gillitt ND. Immunometabolism: A Multi-Omics Approach to Interpreting the Influence of Exercise and Diet on the Immune System. Annu Rev Food Sci Technol 2019; 10:341-363. [PMID: 30633566 DOI: 10.1146/annurev-food-032818-121316] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Immunometabolism is an evolving field of scientific endeavor that merges immunology and metabolism and has provided valuable context when evaluating the influence of dietary interventions on exercise-induced immune dysfunction. Metabolomics, lipidomics, and proteomics provide a system-wide view of the metabolic response to exercise by simultaneously measuring and identifying a large number of small-molecule metabolites, lipids, and proteins. Many of these are involved with immune function and regulation and are sensitive to dietary influences, especially acute carbohydrate ingestion from either sugar beverages or fruits such as bananas. Emerging evidence using large multi-omics data sets supports the combined intake of fruit sugars and phytochemicals by athletes during heavy exertion as an effective strategy to improve metabolic recovery, augment viral defense, and counter postexercise inflammation and immune dysfunction at the cell level. Multi-omics methodologies have given investigators new outcome targets to assess the efficacy of various dietary interventions for physiologically stressed athletes.
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Affiliation(s)
- David C Nieman
- Human Performance Laboratory, Department of Health and Exercise Science, Appalachian State University, North Carolina Research Campus, Kannapolis, North Carolina 28081, USA;
| | - Mary Ann Lila
- Plants for Human Health Institute, Department of Food, Bioprocessing & Nutrition Sciences, North Carolina State University, North Carolina Research Campus, Kannapolis, North Carolina 28081, USA
| | - Nicholas D Gillitt
- Dole Nutrition Research Laboratory, Kannapolis, North Carolina 28081, USA
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Comprehensive analysis of oxylipins in human plasma using reversed-phase liquid chromatography-triple quadrupole mass spectrometry with heatmap-assisted selection of transitions. Anal Bioanal Chem 2018; 411:367-385. [PMID: 30406832 DOI: 10.1007/s00216-018-1446-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 10/06/2018] [Accepted: 10/22/2018] [Indexed: 12/17/2022]
Abstract
Oxylipins, a subclass of lipid mediators, are metabolites of various polyunsaturated fatty acids with crucial functions in regulation of systemic inflammation. Elucidation of their roles in pathological conditions requires accurate quantification of their levels in biological samples. We refined an ultra-performance liquid chromatography-multiple reaction monitoring-mass spectrometry (UPLC-MRM-MS)-based workflow for comprehensive and specific quantification of 131 endogenous oxylipins in human plasma, in which we optimized LC mobile phase additives, column, and gradient conditions. We employed heatmap-assisted strategy to identify unique transitions to improve the assay selectivity and optimized solid phase extraction procedures to achieve better analyte recovery. The method was validated according to FDA guidelines. Overall, 94.4% and 95.7% of analytes at tested concentrations were within acceptable accuracy (80-120%) and precision (CV < 15%), respectively. Good linearity for most analytes was obtained with R2 > 0.99. The method was also validated using a standard reference material-SRM 1950 frozen human plasma to demonstrate inter-lab compatibility. Graphical abstract ᅟ.
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65
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Ros E, Izquierdo-Pulido M, Sala-Vila A. Beneficial effects of walnut consumption on human health: role of micronutrients. Curr Opin Clin Nutr Metab Care 2018; 21:498-504. [PMID: 30199393 DOI: 10.1097/mco.0000000000000508] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Nuts in general and walnuts in particular are in the limelight for the association of their consumption with improved health outcomes. Walnuts have an optimal composition in bioactive nutrients and recent clinical and experimental studies have uncovered a number of beneficial effects of walnut micronutrients, working in isolation or in concert, on metabolic pathways and clinical outcomes that make this review timely and relevant. RECENT FINDINGS Alpha-linolenic acid, a critical walnut component, is metabolized into bioactive oxylipins, has been shown to protect microglial cells from inflammation, and is associated with lower fatal myocardial infarction rates through a putative antiarrhythmic effect. Phytosterols relate to the cholesterol-lowering effect of nut consumption. Nonsodium minerals are associated with better cardiometabolic health. Walnut phytomelatonin has anticancer effects that are shared by the main walnut polyphenols and their metabolites, ellagitannins and urolithins, respectively. SUMMARY This review highlights new evidence on the health-promoting properties of walnuts and their main micronutrient components. The conclusion is that walnuts are optimal healthful foods.
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Affiliation(s)
- Emilio Ros
- Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi Sunyer, Hospital Clínic, Barcelona
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid
| | - María Izquierdo-Pulido
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid
- Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Nutrition Science, INSA, University of Barcelona, Barcelona, Spain
| | - Aleix Sala-Vila
- Lipid Clinic, Endocrinology and Nutrition Service, Institut d'Investigacions Biomèdiques August Pi Sunyer, Hospital Clínic, Barcelona
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid
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Seasonal changes in eicosanoid metabolism in the brown bear. Naturwissenschaften 2018; 105:58. [PMID: 30291454 PMCID: PMC6182652 DOI: 10.1007/s00114-018-1583-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 08/20/2018] [Accepted: 09/05/2018] [Indexed: 12/12/2022]
Abstract
Polyunsaturated fatty acids (PUFAs) exert several important functions across organ systems. During winter, hibernators divert PUFAs from oxidation, retaining them in their tissues and membranes, to ensure proper body functions at low body temperature. PUFAs are also precursors of eicosanoids with pro- and anti-inflammatory properties. This study investigated seasonal changes in eicosanoid metabolism of free-ranging brown bears (Ursus arctos). By using a lipidomic approach, we assessed (1) levels of specific omega-3 and omega-6 fatty acids involved in the eicosanoid cascade and (2) concentrations of eicosanoids in skeletal muscle and blood plasma of winter hibernating and summer active bears. We observed significant seasonal changes in the specific omega-3 and omega-6 precursors. We also found significant seasonal alterations of eicosanoid levels in both tissues. Concentrations of pro-inflammatory eicosanoids, such as thromboxane B2, 5-hydroxyeicosatetraenoic acid (HETE), and 15-HETE and 18-HETE, were significantly lower in muscle and/or plasma of hibernating bears compared to summer-active animals. Further, plasma and muscle levels of 5,6-epoxyeicosatrienoic acid (EET), as well as muscle concentration of 8,9-EET, tended to be lower in bears during winter hibernation vs. summer. We also found lower plasma levels of anti-inflammatory eicosanoids, such as 15dPGJ2 and PGE3, in bears during winter hibernation. Despite of the limited changes in omega-3 and omega-6 precursors, plasma and muscle concentrations of the products of all pathways decreased significantly, or remained unchanged, independent of their pro- or anti-inflammatory properties. These findings suggest that hibernation in bears is associated with a depressed state of the eicosanoid cascade.
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Montes Chañi EM, Pacheco SOS, Martínez GA, Freitas MR, Ivona JG, Ivona JA, Craig WJ, Pacheco FJ. Long-Term Dietary Intake of Chia Seed Is Associated with Increased Bone Mineral Content and Improved Hepatic and Intestinal Morphology in Sprague-Dawley Rats. Nutrients 2018; 10:nu10070922. [PMID: 30029467 PMCID: PMC6073254 DOI: 10.3390/nu10070922] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/12/2018] [Accepted: 07/18/2018] [Indexed: 12/14/2022] Open
Abstract
Chia seeds (Salvia hispanica) provide an unusually high content of α-linolenic acid with several potential health benefits, but few studies have examined the long-term intake of n-3 fatty acid-rich plant foods such as chia. In this work, we investigated some of the effects of a diet containing 10% chia seeds versus a conventional isocaloric diet for 10 and 13 months on body measurements, musculoskeletal system, the liver, and the intestines of 20 male Sprague-Dawley rats assigned into two groups. The n-6/n-3 ratios for the control and chia diets were 7.46 and 1.07, respectively. For the first 10 months of the diet, the body parameters and weights were similar, but at 13 months, the bone mineral content (BMC) of the chia-fed rats was significantly higher than that of the controls whether in total or proximal areas of the left tibia. Also, significant positive correlations were found between the age of the chia group and the bone mineral density, BMC, weight of the musculoskeletal system, final body weight, and skin weight. Liver and intestinal examinations showed improved morphology associated with lower lipid deposit in hepatocytes and increased intestinal muscle layers and crypt size in the chia group. This study provides new data suggesting the potential benefits associated with the long-term intake of chia seeds.
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Affiliation(s)
- Evelyn M Montes Chañi
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
- Institute for Food Science and Nutrition, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Sandaly O S Pacheco
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
- Institute for Food Science and Nutrition, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Gustavo A Martínez
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Maykon R Freitas
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Joaquin G Ivona
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Javier A Ivona
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
| | - Winston J Craig
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
- Department of Public Health, Nutrition and Wellness, School of Health Professions, Andrews University, Berrien Springs, MI 49104, USA.
| | - Fabio J Pacheco
- Center for Health Sciences Research, School of Medicine & Health Sciences, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
- Institute for Food Science and Nutrition, Universidad Adventista del Plata, Libertador San Martín, Entre Ríos 3103, Argentina.
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Leng S, Winter T, Aukema HM. Dietary ALA, EPA and DHA have distinct effects on oxylipin profiles in female and male rat kidney, liver and serum. J Nutr Biochem 2018; 57:228-237. [PMID: 29778015 DOI: 10.1016/j.jnutbio.2018.04.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 01/20/2018] [Accepted: 04/13/2018] [Indexed: 01/25/2023]
Abstract
There is much data on the effects of dietary n-3 fatty acids on tissue fatty acid compositions, but comparable comprehensive data on their oxygenated metabolites (oxylipins) is limited. The effects of providing female and male rats with diets high in α-linolenic acid (ALA), EPA or DHA for 6 weeks on oxylipins and fatty acids in kidney, liver and serum were therefore examined. The oxylipin profile generally reflected fatty acids, but it also revealed unique effects of individual n-3 fatty acids that were not apparent from fatty acid data alone. Dietary ALA increased renal and serum DHA oxylipins even though DHA itself did not increase, while dietary EPA did not increase DHA oxylipins in kidney or liver, suggesting that high EPA may inhibit this conversion. Oxylipin data generally corroborated fatty acid data that indicated that DHA can be retroconverted to EPA and that further retroconversion to ALA is limited. Dietary n-3 fatty acids decreased n-6 fatty acids and their oxylipins (except linoleic acid and its oxylipins), in order of effectiveness of DHA > EPA > ALA, with some exceptions: several arachidonic acid oxylipins modified at carbon 15 were not lower in all three sites, and EPA had a greater effect on 12-hydroxy-eicosatetraenoic acid and its metabolites in the liver. Oxylipins were predominantly higher in males, which was not reflective of fatty acids. Tissue-specific oxylipin profiles, therefore, provide further information on individual dietary n-3 fatty acid and sex effects that may help explain their unique physiological effects and have implications for dietary recommendations.
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Affiliation(s)
- Shan Leng
- Department of Human Nutritional Sciences, University of Manitoba, Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, Canada R3T 2N2
| | - Tanja Winter
- Department of Human Nutritional Sciences, University of Manitoba, Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, Canada R3T 2N2
| | - Harold M Aukema
- Department of Human Nutritional Sciences, University of Manitoba, Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, Canada R3T 2N2.
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Parikh M, Netticadan T, Pierce GN. Flaxseed: its bioactive components and their cardiovascular benefits. Am J Physiol Heart Circ Physiol 2018; 314:H146-H159. [DOI: 10.1152/ajpheart.00400.2017] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Cardiovascular disease remains the leading cause of mortality and morbidity worldwide. The inclusion of functional foods and natural health products in the diet are gaining increasing recognition as integral components of lifestyle changes in the fight against cardiovascular disease. Several preclinical and clinical studies have shown the beneficial cardiovascular effects of dietary supplementation with flaxseed. The cardiovascular effects of dietary flaxseed have included an antihypertensive action, antiatherogenic effects, a lowering of cholesterol, an anti-inflammatory action, and an inhibition of arrhythmias. Its enrichment in the ω-3 fatty acid α-linolenic acid and the antioxidant lignan secoisolariciresinol diglucoside as well as its high fiber content have been implicated primarily in these beneficial cardiovascular actions. Although not as well recognized, flaxseed is also composed of other potential bioactive compounds such as proteins, cyclolinopeptides, and cyanogenic glycosides, which may also produce biological actions. These compounds could also be responsible for the cardiovascular effects of flaxseed. This article will not only summarize the cardiovascular effects of dietary supplementation with flaxseed but also review its bioactive compounds in terms of their properties, biological effects, and proposed mechanisms of action. It will also discuss promising research directions for the future to identify additional health-related benefits of dietary flaxseed.
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Affiliation(s)
- Mihir Parikh
- Department of Physiology and Pathophysiology, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Thomas Netticadan
- Agriculture and Agri-food Canada, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
| | - Grant N. Pierce
- Department of Physiology and Pathophysiology, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
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Cardiovascular Disease: An Introduction. BIOMATHEMATICAL AND BIOMECHANICAL MODELING OF THE CIRCULATORY AND VENTILATORY SYSTEMS 2018. [PMCID: PMC7123129 DOI: 10.1007/978-3-319-89315-0_1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Cardiovascular disease (CVD) is a collective term designating all types of affliction affecting the blood circulatory system, including the heart and vasculature, which, respectively, displaces and conveys the blood.
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