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Braisted J, Henderson T, Newman JW, Moore SC, Sampson J, McClain K, Ross S, Baer DJ, Mathé EA, Zanetti KA. Effects of Preanalytical Sample Collection and Handling on Comprehensive Metabolite Measurements in Human Urine Biospecimens. medRxiv 2024:2024.01.24.24301735. [PMID: 38410429 PMCID: PMC10896411 DOI: 10.1101/2024.01.24.24301735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Epidemiology studies evaluate associations between the metabolome and disease risk. Urine is a common biospecimen used for such studies due to its wide availability and non-invasive collection. Evaluating the robustness of urinary metabolomic profiles under varying preanalytical conditions is thus of interest. Here we evaluate the impact of sample handling conditions on urine metabolome profiles relative to the gold standard condition (no preservative, no refrigeration storage, single freeze thaw). Conditions tested included the use of borate or chlorhexidine preservatives, various storage and freeze/thaw cycles. We demonstrate that sample handling conditions impact metabolite levels, with borate showing the largest impact with 125 of 1,048 altered metabolites (adjusted P < 0.05). When simulating a case-control study with expected inconsistencies in sample handling, we predicted the occurrence of false positive altered metabolites to be low (< 11). Predicted false positives increased substantially (³63) when cases were simulated to undergo alternate handling. Finally, we demonstrate that sample handling impacts on the urinary metabolome were markedly smaller than those in serum. While changes in urine metabolites incurred by sample handling are generally small, we recommend implementing consistent handling conditions and evaluating robustness of metabolite measurements for those showing significant associations with disease outcomes.
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Affiliation(s)
- John Braisted
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, Rockville, MD
| | - Theresa Henderson
- Food Components and Health Laboratory, Agriculture Research Service, United States Department of Agriculture, Beltsville, MD
| | - John W Newman
- Obesity and Metabolism Research, Agriculture Research Service, United States Department of Agriculture, Davis, CA
- Department of Nutrition, University of California, Davis, CA
| | - Steven C Moore
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD
| | - Joshua Sampson
- Division of Cancer Prevention, National Cancer Institute, Rockville, MD
| | - Kathleen McClain
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD
| | - Sharon Ross
- Division of Cancer Prevention, National Cancer Institute, Rockville, MD
| | - David J Baer
- Food Components and Health Laboratory, Agriculture Research Service, United States Department of Agriculture, Beltsville, MD
| | - Ewy A Mathé
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, Rockville, MD
| | - Krista A Zanetti
- Office of Nutrition Research, Division of Program Coordination, Planning, and Strategic Initiatives, Office of the Director, National Institutes of Health, Bethesda, MD
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2
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Zahoor I, Waters J, Ata N, Datta I, Pedersen TL, Cerghet M, Poisson L, Markovic-Plese S, Rattan R, Taha AY, Newman JW, Giri S. Blood-based targeted metabolipidomics reveals altered omega fatty acid-derived lipid mediators in relapsing-remitting multiple sclerosis patients. bioRxiv 2024:2024.01.04.574253. [PMID: 38260401 PMCID: PMC10802284 DOI: 10.1101/2024.01.04.574253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Unresolved and uncontrolled inflammation is considered a hallmark of pathogenesis in chronic inflammatory diseases like multiple sclerosis (MS), suggesting a defective resolution process. Inflammatory resolution is an active process partially mediated by endogenous metabolites of dietary polyunsaturated fatty acids (PUFA), collectively termed specialized pro-resolving lipid mediators (SPMs). Altered levels of resolution mediators have been reported in several inflammatory diseases and may partly explain impaired inflammatory resolution. Performing LC-MS/MS-based targeted lipid mediator profiling, we observed distinct changes in fatty acid metabolites in serum from 30 relapsing-remitting MS (RRMS) patients relative to 30 matched healthy subjects (HS). Robust linear regression revealed 12 altered lipid mediators after adjusting for confounders (p <0.05). Of these, 15d-PGJ2, PGE3, and LTB5 were increased in MS while PGF2a, 8,9-DiHETrE, 5,6-DiHETrE, 20-HETE, 15-HETE, 12-HETE, 12-HEPE, 14-HDoHE, and DHEA were decreased in MS compared to HS. In addition, 12,13-DiHOME and 12,13-DiHODE were positively correlated with expanded disability status scale values (EDSS). Using Partial Least Squares, we identified several lipid mediators with high VIP scores (VIP > 1: 32% - 52%) of which POEA, PGE3, DHEA, LTB5, and 12-HETE were top predictors for distinguishing between RRMS and HS (AUC =0.75) based on the XGBoost Classifier algorithm. Collectively, these findings suggest an imbalance between inflammation and resolution. Altogether, lipid mediators appear to have potential as diagnostic and prognostic biomarkers for RRMS.
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Affiliation(s)
- Insha Zahoor
- Department of Neurology, Henry Ford Health, Detroit, 48202, USA
| | - Jeffrey Waters
- Department of Neurology, Henry Ford Health, Detroit, 48202, USA
| | - Nasar Ata
- Department of Neurology, Henry Ford Health, Detroit, 48202, USA
| | - Indrani Datta
- Department of Public Health Sciences, Henry Ford Health, Detroit, 48202, USA
| | | | - Mirela Cerghet
- Department of Neurology, Henry Ford Health, Detroit, 48202, USA
| | - Laila Poisson
- Department of Public Health Sciences, Henry Ford Health, Detroit, 48202, USA
| | - Silva Markovic-Plese
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Ramandeep Rattan
- Division of Gynaecology Oncology, Department of Women’s Health Services, Henry Ford Health, Detroit, 48202, USA
| | - Ameer Y. Taha
- Department of Food and Technology, University of California, Davis, USA
- West Coast Metabolomics Center, Genome Center, University of California-Davis, Davis, CA, 95616, USA
| | - John W. Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, 95616, USA
- 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
| | - Shailendra Giri
- Department of Neurology, Henry Ford Health, Detroit, 48202, USA
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3
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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4
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U-Din M, de Mello VD, Tuomainen M, Raiko J, Niemi T, Fromme T, Klåvus A, Gautier N, Haimilahti K, Lehtonen M, Kristiansen K, Newman JW, Pietiläinen KH, Pihlajamäki J, Amri EZ, Klingenspor M, Nuutila P, Pirinen E, Hanhineva K, Virtanen KA. Cold-stimulated brown adipose tissue activation is related to changes in serum metabolites relevant to NAD + metabolism in humans. Cell Rep 2023; 42:113131. [PMID: 37708023 DOI: 10.1016/j.celrep.2023.113131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/06/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023] Open
Abstract
Cold-induced brown adipose tissue (BAT) activation is considered to improve metabolic health. In murine BAT, cold increases the fundamental molecule for mitochondrial function, nicotinamide adenine dinucleotide (NAD+), but limited knowledge of NAD+ metabolism during cold in human BAT metabolism exists. We show that cold increases the serum metabolites of the NAD+ salvage pathway (nicotinamide and 1-methylnicotinamide) in humans. Additionally, individuals with cold-stimulated BAT activation have decreased levels of metabolites from the de novo NAD+ biosynthesis pathway (tryptophan, kynurenine). Serum nicotinamide correlates positively with cold-stimulated BAT activation, whereas tryptophan and kynurenine correlate negatively. Furthermore, the expression of genes involved in NAD+ biosynthesis in BAT is related to markers of metabolic health. Our data indicate that cold increases serum tryptophan conversion to nicotinamide to be further utilized by BAT. We conclude that NAD+ metabolism is activated upon cold in humans and is probably regulated in a coordinated fashion by several tissues.
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Affiliation(s)
- Mueez U-Din
- Turku PET Centre, Turku University Hospital, Turku, Finland; Turku PET Centre, University of Turku, Turku, Finland
| | - Vanessa D de Mello
- Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Marjo Tuomainen
- Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Juho Raiko
- Turku PET Centre, Turku University Hospital, Turku, Finland
| | - Tarja Niemi
- Department of Surgery, Turku University Hospital, Turku, Finland
| | - Tobias Fromme
- Chair for Molecular Nutritional Medicine, Technical University of Munich, Freising, Germany; EKFZ - Else Kröner Fresenius Center for Nutritional Medicine, Technical University of Munich, Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Anton Klåvus
- Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | | | - Kimmo Haimilahti
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, 00290 Helsinki, Finland; Research Program for Stem Cells and Metabolism, Faculty of Medicine, University of Helsinki, 00290 Helsinki, Finland
| | - Marko Lehtonen
- Department of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | | | - John W Newman
- Obesity and Metabolism Research Unit, USDA-ARS Western Human Nutrition Research Center, Davis, CA, USA; West Coast Metabolomics Center, Davis Genome Center, University of California, Davis, Davis, CA 95616, USA; Department of Nutrition, University of California, Davis, Davis, CA 95616, USA
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Obesity Center, Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Jussi Pihlajamäki
- Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Endocrinology and Clinical Nutrition, Department of Medicine, Kuopio University Hospital, Kuopio, Finland
| | | | - Martin Klingenspor
- Chair for Molecular Nutritional Medicine, Technical University of Munich, Freising, Germany; EKFZ - Else Kröner Fresenius Center for Nutritional Medicine, Technical University of Munich, Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, Freising, Germany
| | - Pirjo Nuutila
- Turku PET Centre, Turku University Hospital, Turku, Finland; Turku PET Centre, University of Turku, Turku, Finland; Department of Endocrinology, Turku University Hospital, Turku, Finland
| | - Eija Pirinen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, 00290 Helsinki, Finland; Research Unit for Internal Medicine, Faculty of Medicine, University of Oulu, 90220 Oulu, Finland
| | - Kati Hanhineva
- Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Life Technologies, Food Chemistry and Food Development Unit, University of Turku, Turku, Finland; Department of Biology and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, Sweden
| | - Kirsi A Virtanen
- Turku PET Centre, Turku University Hospital, Turku, Finland; Turku PET Centre, University of Turku, Turku, Finland; Department of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Endocrinology and Clinical Nutrition, Department of Medicine, Kuopio University Hospital, Kuopio, Finland; Department of Endocrinology, Turku University Hospital, Turku, Finland.
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5
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Yee SW, Ferrández-Peral L, Alentorn P, Fontsere C, Ceylan M, Koleske ML, Handin N, Artegoitia VM, Lara G, Chien HC, Zhou X, Dainat J, Zalevsky A, Sali A, Brand CM, Capra JA, Artursson P, Newman JW, Marques-Bonet T, Giacomini KM. Illuminating the Function of the Orphan Transporter, SLC22A10 in Humans and Other Primates. Res Sq 2023:rs.3.rs-3263845. [PMID: 37790518 PMCID: PMC10543398 DOI: 10.21203/rs.3.rs-3263845/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
SLC22A10 is classified as an orphan transporter with unknown substrates and function. Here we describe the discovery of the substrate specificity and functional characteristics of SLC22A10. The human SLC22A10 tagged with green fluorescent protein was found to be absent from the plasma membrane, in contrast to the SLC22A10 orthologs found in great apes. Estradiol-17β-glucuronide accumulated in cells expressing great ape SLC22A10 orthologs (over 4-fold, p<0.001). In contrast, human SLC22A10 displayed no uptake function. Sequence alignments revealed two amino acid differences including a proline at position 220 of the human SLC22A10 and a leucine at the same position of great ape orthologs. Site-directed mutagenesis yielding the human SLC22A10-P220L produced a protein with excellent plasma membrane localization and associated uptake function. Neanderthal and Denisovan genomes show human-like sequences at proline 220 position, corroborating that SLC22A10 were rendered nonfunctional during hominin evolution after the divergence from the pan lineage (chimpanzees and bonobos). These findings demonstrate that human SLC22A10 is a unitary pseudogene and was inactivated by a missense mutation that is fixed in humans, whereas orthologs in great apes transport sex steroid conjugates.
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Affiliation(s)
- Sook Wah Yee
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | | | - Pol Alentorn
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain
| | - Claudia Fontsere
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain; Center for Evolutionary Hologenomics, The Globe Institute, University of Copenhagen, Øster Farimagsgade 5A, 1352 Copenhagen, Denmark
| | - Merve Ceylan
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - Megan L. Koleske
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Niklas Handin
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - Virginia M. Artegoitia
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
| | - Giovanni Lara
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Huan-Chieh Chien
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Xujia Zhou
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Jacques Dainat
- Joint Research Unit for Infectious Diseases and Vectors Ecology Genetics Evolution and Control (MIVEGEC), University of Montpellier, French National Center for Scientific Research (CNRS 5290), French National Research Institute for Sustainable Development (IRD 224), 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Arthur Zalevsky
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Andrej Sali
- Department of Bioengineering and Therapeutic Sciences, UCSF Box 0775 1700 4th St, University of California, San Francisco, San Francisco, CA 94158, United States; Department of Pharmaceutical Chemistry, University of California, San Francisco, UCSF Box 2880 600 16th St, San Francisco, CA 94143, United States; Quantitative Biosciences Institute (QBI), University of California, San Francisco, 1700 4th St, San Francisco, CA, United States
| | - Colin M. Brand
- Bakar Computational Health Sciences Institute, University of California, San Francisco, CA, USA; Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - John A. Capra
- Bakar Computational Health Sciences Institute, University of California, San Francisco, CA, USA; Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - Per Artursson
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - John W. Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA; Department of Nutrition, University of California, Davis, Davis, CA 95616, USA; UC Davis West Coast Metabolomics Center, Davis, CA 95616, USA
| | - Tomas Marques-Bonet
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain; Institute of Evolutionary Biology (UPF-CSIC), PRBB, Dr. Aiguader 88, 08003 Barcelona, Spain; Catalan Institution of Research and Advanced Studies (ICREA), Passeig de Lluís Companys, 23, 08010, Barcelona, Spain; CNAG, Centro Nacional de Analisis Genomico, Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 4, 08028 Barcelona, Spain; Institut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICP, c/ Columnes s/n, 08193 Cerdanyola del Vallès, Barcelona, Spain
| | - Kathleen M. Giacomini
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA; Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA
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6
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Ho E, Drake VJ, Michels AJ, Nkrumah-Elie YM, Brown LL, Scott JM, Newman JW, Shukitt-Hale B, Soumyanath A, Chilton FH, Lindemann SR, Shao A, Mitmesser SH. Perspective: Council for Responsible Nutrition Science in Session. Optimizing Health with Nutrition-Opportunities, Gaps, and the Future. Adv Nutr 2023; 14:948-958. [PMID: 37270030 PMCID: PMC10509435 DOI: 10.1016/j.advnut.2023.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/20/2023] [Accepted: 05/30/2023] [Indexed: 06/05/2023] Open
Abstract
Achieving optimal health is an aspirational goal for the population, yet the definition of health remains unclear. The role of nutrition in health has evolved beyond correcting malnutrition and specific deficiencies and has begun to focus more on achieving and maintaining 'optimal' health through nutrition. As such, the Council for Responsible Nutrition held its October 2022 Science in Session conference to advance this concept. Here, we summarize and discuss the findings of their Optimizing Health through Nutrition - Opportunities and Challenges workshop, including several gaps that need to be addressed to advance progress in the field. Defining and evaluating various indices of optimal health will require overcoming these key gaps. For example, there is a strong need to develop better biomarkers of nutrient status, including more accurate markers of food intake, as well as biomarkers of optimal health that account for maintaining resilience-the ability to recover from or respond to stressors without loss to physical and cognitive performance. In addition, there is a need to identify factors that drive individualized responses to nutrition, including genotype, metabotypes, and the gut microbiome, and to realize the opportunity of precision nutrition for optimal health. This review outlines hallmarks of resilience, provides current examples of nutritional factors to optimize cognitive and performance resilience, and gives an overview of various genetic, metabolic, and microbiome determinants of individualized responses.
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Affiliation(s)
- Emily Ho
- Linus Pauling Institute, Oregon State University, Corvallis, Oregon; Nutrition Program, College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon.
| | - Victoria J Drake
- Linus Pauling Institute, Oregon State University, Corvallis, Oregon
| | | | | | - LaVerne L Brown
- National Institutes of Health, Office of Dietary Supplements, Bethesda, Maryland
| | - Jonathan M Scott
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, Maryland
| | - John W Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, California
| | - Barbara Shukitt-Hale
- United States Department of Agriculture, Agricultural Research Service, Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts
| | - Amala Soumyanath
- BENFRA Botanical Dietary Supplements Research Center, Department of Neurology, Oregon Health and Science University, Portland, Oregon
| | - Floyd H Chilton
- Center for Precision Nutrition and Wellness, University of Arizona, Tucson, Arizona; School of Nutritional Sciences and Wellness, College of Agriculture and Life Sciences, University of Arizona, Tucson, Arizona
| | - Stephen R Lindemann
- Whistler Center for Carbohydrate Research, Department of Food Science, Purdue University, West Lafayette, Indiana
| | - Andrew Shao
- ChromaDex External Research Program, Los Angeles, California
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7
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Mukherjee A, Bezwada D, Greco F, Zandbergen M, Shen T, Chiang CY, Tasdemir M, Fahrmann J, Grapov D, La Frano MR, Vu HS, Faubert B, Newman JW, McDonnell LA, Nezi L, Fiehn O, DeBerardinis RJ, Lengyel E. Adipocytes reprogram cancer cell metabolism by diverting glucose towards glycerol-3-phosphate thereby promoting metastasis. Nat Metab 2023; 5:1563-1577. [PMID: 37653041 DOI: 10.1038/s42255-023-00879-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 07/27/2023] [Indexed: 09/02/2023]
Abstract
In the tumor microenvironment, adipocytes function as an alternate fuel source for cancer cells. However, whether adipocytes influence macromolecular biosynthesis in cancer cells is unknown. Here we systematically characterized the bidirectional interaction between primary human adipocytes and ovarian cancer (OvCa) cells using multi-platform metabolomics, imaging mass spectrometry, isotope tracing and gene expression analysis. We report that, in OvCa cells co-cultured with adipocytes and in metastatic tumors, a part of the glucose from glycolysis is utilized for the biosynthesis of glycerol-3-phosphate (G3P). Normoxic HIF1α protein regulates the altered flow of glucose-derived carbons in cancer cells, resulting in increased glycerophospholipids and triacylglycerol synthesis. The knockdown of HIF1α or G3P acyltransferase 3 (a regulatory enzyme of glycerophospholipid synthesis) reduced metastasis in xenograft models of OvCa. In summary, we show that, in an adipose-rich tumor microenvironment, cancer cells generate G3P as a precursor for critical membrane and signaling components, thereby promoting metastasis. Targeting biosynthetic processes specific to adipose-rich tumor microenvironments might be an effective strategy against metastasis.
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Affiliation(s)
- Abir Mukherjee
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology-Center for Integrative Sciences, University of Chicago, Chicago, IL, USA
| | - Divya Bezwada
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Francesco Greco
- Fondazione Pisana per la Scienza ONLUS, San Giuliano Terme, Italy
- Institute of Life Sciences, Sant'Anna School of Advanced Studies, Pisa, Italy
| | - Malu Zandbergen
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology-Center for Integrative Sciences, University of Chicago, Chicago, IL, USA
| | - Tong Shen
- NIH West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Chun-Yi Chiang
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology-Center for Integrative Sciences, University of Chicago, Chicago, IL, USA
| | - Medine Tasdemir
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology-Center for Integrative Sciences, University of Chicago, Chicago, IL, USA
| | - Johannes Fahrmann
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dmitry Grapov
- NIH West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Michael R La Frano
- NIH West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Hieu S Vu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Brandon Faubert
- Department of Medicine/Section of Hematology and Oncology, University of Chicago, Chicago, IL, USA
| | - John W Newman
- NIH West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Liam A McDonnell
- Institute of Life Sciences, Sant'Anna School of Advanced Studies, Pisa, Italy
| | - Luigi Nezi
- Department of Experimental Oncology, IRCCS European Institute of Oncology, Milano, Italy
| | - Oliver Fiehn
- NIH West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Ralph J DeBerardinis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
- 9Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ernst Lengyel
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology-Center for Integrative Sciences, University of Chicago, Chicago, IL, USA.
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8
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Borkowski K, Seyfried NT, Arnold M, Lah JJ, Levey AI, Hales CM, Dammer EB, Blach C, Louie G, Kaddurah-Daouk R, Newman JW. Integration of plasma and CSF metabolomics with CSF proteomic reveals novel associations between lipid mediators and central nervous system vascular and energy metabolism. Sci Rep 2023; 13:13752. [PMID: 37612324 PMCID: PMC10447532 DOI: 10.1038/s41598-023-39737-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 07/30/2023] [Indexed: 08/25/2023] Open
Abstract
Integration of the omics data, including metabolomics and proteomics, provides a unique opportunity to search for new associations within metabolic disorders, including Alzheimer's disease. Using metabolomics, we have previously profiled oxylipins, endocannabinoids, bile acids, and steroids in 293 CSF and 202 matched plasma samples from AD cases and healthy controls and identified both central and peripheral markers of AD pathology within inflammation-regulating cytochrome p450/soluble epoxide hydrolase pathway. Additionally, using proteomics, we have identified five cerebrospinal fluid protein panels, involved in the regulation of energy metabolism, vasculature, myelin/oligodendrocyte, glia/inflammation, and synapses/neurons, affected in AD, and reflective of AD-related changes in the brain. In the current manuscript, using metabolomics-proteomics data integration, we describe new associations between peripheral and central lipid mediators, with the above-described CSF protein panels. Particularly strong associations were observed between cytochrome p450/soluble epoxide hydrolase metabolites, bile acids, and proteins involved in glycolysis, blood coagulation, and vascular inflammation and the regulators of extracellular matrix. Those metabolic associations were not observed at the gene-co-expression level in the central nervous system. In summary, this manuscript provides new information regarding Alzheimer's disease, linking both central and peripheral metabolism, and illustrates the necessity for the "omics" data integration to uncover associations beyond gene co-expression.
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Affiliation(s)
- Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, 95616, USA.
| | - Nicholas T Seyfried
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Matthias Arnold
- Institute of Computational Biology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, 27708, USA
| | - James J Lah
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Allan I Levey
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Chadwick M Hales
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Eric B Dammer
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Colette Blach
- Duke Molecular Physiology Institute, Duke University, Durham, NC, 27708, USA
| | - Gregory Louie
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, 27708, USA
| | - Rima Kaddurah-Daouk
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, 27708, USA.
- Duke Institute for Brain Sciences, Duke University, Durham, NC, 27708, USA.
- Department of Medicine, Duke University, Durham, NC, 27708, USA.
| | - John W Newman
- West Coast Metabolomics Center, Genome Center, 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
- Department of Nutrition, University of California-Davis, Davis, CA, 95616, USA
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9
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Shen CL, Newman JW, Elmassry MM, Borkowski K, Chyu MC, Kahathuduwa C, Neugebauer V, Watkins BA. Tai Chi exercise reduces circulating levels of inflammatory oxylipins in postmenopausal women with knee osteoarthritis: results from a pilot study. Front Med (Lausanne) 2023; 10:1210170. [PMID: 37654656 PMCID: PMC10466388 DOI: 10.3389/fmed.2023.1210170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/25/2023] [Indexed: 09/02/2023] Open
Abstract
Background Tai Chi (TC) controls pain through mind-body exercise and appears to alter inflammatory mediators. TC actions on lipid biomarkers associated with inflammation and brain neural networks in women with knee osteoarthritic pain were investigated. Methods A single-center, pre- and post-TC group (baseline and 8 wk) exercise pilot study in postmenopausal women with knee osteoarthritic pain was performed. 12 eligible women participated in TC group exercise. The primary outcome was liquid chromatography tandem mass spectrometry determination of circulating endocannabinoids (eCB) and oxylipins (OxL). Secondary outcomes were correlations between eCB and OxL levels and clinical pain/limitation assessments, and brain resting-state function magnetic resonance imaging (rs-fMRI). Results Differences in circulating quantitative levels (nM) of pro-inflammatory OxL after TC were found in women. TC exercise resulted in lower OxL PGE1 and PGE2 and higher 12-HETE, LTB4, and 12-HEPE compared to baseline. Pain assessment and eCB and OxL levels suggest crucial relationships between TC exercise, inflammatory markers, and pain. Higher plasma levels of eCB AEA, and 1, 2-AG were found in subjects with increased pain. Several eCB and OxL levels were positively correlated with left and right brain amygdala-medial prefrontal cortex functional connectivity. Conclusion TC exercise lowers pro-inflammatory OxL in women with knee osteoarthritic pain. Correlations between subject pain, functional limitations, and brain connectivity with levels of OxL and eCB showed significance. Findings indicate potential mechanisms for OxL and eCB and their biosynthetic endogenous PUFA precursors that alter brain connectivity, neuroinflammation, and pain. Clinical Trial Registration ClinicalTrials.gov, identifier: NCT04046003.
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Affiliation(s)
- Chwan-Li Shen
- Department of Pathology, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - John W. Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, United States
- 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
| | - Moamen M. Elmassry
- Department of Molecular Biology, Princeton University, Princeton, NJ, United States
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
| | - Ming-Chien Chyu
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Department of Medical Engineering, Texas Tech University, Lubbock, TX, United States
| | - Chanaka Kahathuduwa
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Department of Psychiatry, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Volker Neugebauer
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX, United States
- Garrison Institute on Aging, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Bruce A. Watkins
- Department of Nutrition, University of California, Davis, Davis, CA, United States
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Yee SW, Ferrández-Peral L, Alentorn P, Fontsere C, Ceylan M, Koleske ML, Handin N, Artegoitia VM, Lara G, Chien HC, Zhou X, Dainat J, Zalevsky A, Sali A, Brand CM, Capra JA, Artursson P, Newman JW, Marques-Bonet T, Giacomini KM. Illuminating the Function of the Orphan Transporter, SLC22A10 in Humans and Other Primates. bioRxiv 2023:2023.08.08.552553. [PMID: 37609337 PMCID: PMC10441401 DOI: 10.1101/2023.08.08.552553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
SLC22A10 is classified as an orphan transporter with unknown substrates and function. Here we describe the discovery of the substrate specificity and functional characteristics of SLC22A10. The human SLC22A10 tagged with green fluorescent protein was found to be absent from the plasma membrane, in contrast to the SLC22A10 orthologs found in great apes. Estradiol-17β-glucuronide accumulated in cells expressing great ape SLC22A10 orthologs (over 4-fold, p<0.001). In contrast, human SLC22A10 displayed no uptake function. Sequence alignments revealed two amino acid differences including a proline at position 220 of the human SLC22A10 and a leucine at the same position of great ape orthologs. Site-directed mutagenesis yielding the human SLC22A10-P220L produced a protein with excellent plasma membrane localization and associated uptake function. Neanderthal and Denisovan genomes show human-like sequences at proline 220 position, corroborating that SLC22A10 were rendered nonfunctional during hominin evolution after the divergence from the pan lineage (chimpanzees and bonobos). These findings demonstrate that human SLC22A10 is a unitary pseudogene and was inactivated by a missense mutation that is fixed in humans, whereas orthologs in great apes transport sex steroid conjugates.
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Affiliation(s)
- Sook Wah Yee
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | | | - Pol Alentorn
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain
| | - Claudia Fontsere
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain; Center for Evolutionary Hologenomics, The Globe Institute, University of Copenhagen, Øster Farimagsgade 5A, 1352 Copenhagen, Denmark
| | - Merve Ceylan
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - Megan L. Koleske
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Niklas Handin
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - Virginia M. Artegoitia
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
| | - Giovanni Lara
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Huan-Chieh Chien
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Xujia Zhou
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Jacques Dainat
- Joint Research Unit for Infectious Diseases and Vectors Ecology Genetics Evolution and Control (MIVEGEC), University of Montpellier, French National Center for Scientific Research (CNRS 5290), French National Research Institute for Sustainable Development (IRD 224), 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Arthur Zalevsky
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - Andrej Sali
- Department of Bioengineering and Therapeutic Sciences, UCSF Box 0775 1700 4th St, University of California, San Francisco, San Francisco, CA 94158, United States; Department of Pharmaceutical Chemistry, University of California, San Francisco, UCSF Box 2880 600 16th St, San Francisco, CA 94143, United States; Quantitative Biosciences Institute (QBI), University of California, San Francisco, 1700 4th St, San Francisco, CA, United States
| | - Colin M. Brand
- Bakar Computational Health Sciences Institute, University of California, San Francisco, CA, USA; Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - John A. Capra
- Bakar Computational Health Sciences Institute, University of California, San Francisco, CA, USA; Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - Per Artursson
- Department of Pharmacy and Science for Life Laboratory, Uppsala University, P.O. Box 580, 75123, Uppsala, Sweden
| | - John W. Newman
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA; Department of Nutrition, University of California, Davis, Davis, CA 95616, USA; UC Davis West Coast Metabolomics Center, Davis, CA 95616, USA
| | - Tomas Marques-Bonet
- Institute of Evolutionary Biology (UPF-CSIC), PRBB, 08003 Barcelona, Spain; Institute of Evolutionary Biology (UPF-CSIC), PRBB, Dr. Aiguader 88, 08003 Barcelona, Spain; Catalan Institution of Research and Advanced Studies (ICREA), Passeig de Lluís Companys, 23, 08010, Barcelona, Spain; CNAG, Centro Nacional de Analisis Genomico, Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 4, 08028 Barcelona, Spain; Institut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICP, c/ Columnes s/n, 08193 Cerdanyola del Vallès, Barcelona, Spain
| | - Kathleen M. Giacomini
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA; Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA
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11
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Wen A, Zhu Y, Yee SW, Park BI, Giacomini KM, Greenberg AS, Newman JW. The Impacts of Slc19a3 Deletion and Intestinal SLC19A3 Insertion on Thiamine Distribution and Brain Metabolism in the Mouse. Metabolites 2023; 13:885. [PMID: 37623829 PMCID: PMC10456376 DOI: 10.3390/metabo13080885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/13/2023] [Accepted: 06/22/2023] [Indexed: 08/26/2023] Open
Abstract
The Thiamine Transporter 2 (THTR2) encoded by SLC19A3 plays an ill-defined role in the maintenance of tissue thiamine, thiamine monophosphate, and thiamine diphosphate (TDP) levels. To evaluate the impact of THTR2 on tissue thiamine status and metabolism, we expressed the human SLC19A3 transgene in the intestine of total body Slc19a3 knockout (KO) mice. Male and female wildtype (WT) and transgenic (TG) mice were fed either 17 mg/kg (1×) or 85 mg/kg (5×) thiamine hydrochloride diet, while KOs were only fed the 5× diet. Thiamine vitamers in plasma, red blood cells, duodenum, brain, liver, kidney, heart, and adipose tissue were measured. Untargeted metabolomics were performed on the brain tissues of groups with equivalent plasma thiamine. KO mice had ~two- and ~three-fold lower plasma and brain thiamine levels than WT on the 5× diet. Circulating vitamers were sensitive to diet and equivalent in TG and WT mice. However, TG had 60% lower thiamine but normal brain TDP levels regardless of diet, with subtle differences in the heart and liver. The loss of THTR2 reduced levels of nucleic acid and amino acid derivatives in the brain. Therefore, mutation or inhibition of THTR2 may alter the brain metabolome and reduce the thiamine reservoir for TDP biosynthesis.
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Affiliation(s)
- Anita Wen
- Department of Nutrition, University of California, Davis, CA 95616, USA
- West Coast Metabolomics Center, Genome Center, University of California, Davis, CA 95616, USA
| | - Ying Zhu
- Gerald J. and Dorothy R. Friedman School of Nutrition Science & Policy, Tufts University, Boston, MA 02111, USA
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
| | - Sook Wah Yee
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA 92521, USA
| | - Brian I. Park
- Gerald J. and Dorothy R. Friedman School of Nutrition Science & Policy, Tufts University, Boston, MA 02111, USA
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
| | - Kathleen M. Giacomini
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA 92521, USA
| | - Andrew S. Greenberg
- Gerald J. and Dorothy R. Friedman School of Nutrition Science & Policy, Tufts University, Boston, MA 02111, USA
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
| | - John W. Newman
- Department of Nutrition, University of California, Davis, CA 95616, USA
- West Coast Metabolomics Center, Genome Center, University of California, Davis, CA 95616, USA
- USDA Western Human Nutrition Research Center, Davis, CA 95616, USA
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12
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Virupakshaiah A, Ladakis DC, Nourbakhsh B, Bhargava P, Dilwali S, Schoeps V, Borkowski K, Newman JW, Waubant E. Several serum lipid metabolites are associated with relapse risk in pediatric-onset multiple sclerosis. Mult Scler 2023; 29:936-944. [PMID: 37199529 PMCID: PMC10524330 DOI: 10.1177/13524585231171517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
BACKGROUND The circulating metabolome is altered in multiple sclerosis (MS), but its prognostic capabilities have not been extensively explored. Lipid metabolites might be of particular interest due to their multiple roles in the brain, as they can serve as structural components, energy sources, and bioactive molecules. Gaining a deeper understanding of the disease may be possible by examining the lipid metabolism in the periphery, which serves as the primary source of lipids for the brain. OBJECTIVE To determine if altered serum lipid metabolites are associated with the risk of relapse and disability in children with MS. METHODS We collected serum samples from 61 participants with pediatric-onset MS within 4 years of disease onset. Prospective longitudinal relapse data and cross-sectional disability measures (Expanded Disability Status Scale [EDSS]) were collected. Serum metabolomics was performed using untargeted liquid chromatography and mass spectrometry. Individual lipid metabolites were clustered into pre-defined pathways. The associations between clusters of metabolites and relapse rate and EDSS score were estimated utilizing negative binomial and linear regression models, respectively. RESULTS We found that serum acylcarnitines (relapse rate: normalized enrichment score [NES] = 2.1, q = 1.03E-04; EDSS: NES = 1.7, q = 0.02) and poly-unsaturated fatty acids (relapse rate: NES = 1.6, q = 0.047; EDSS: NES = 1.9, q = 0.005) were associated with higher relapse rates and EDSS, while serum phosphatidylethanolamines (relapse rate: NES = -2.3, q = 0.002; EDSS: NES = -2.1, q = 0.004), plasmalogens (relapse rate: NES = -2.5, q = 5.81E-04; EDSS: NES = -2.1, q = 0.004), and primary bile acid metabolites (relapse rate: NES = -2.0, q = 0.02; EDSS: NES = -1.9, q = 0.02) were associated with lower relapse rates and lower EDSS. CONCLUSION This study supports the role of some lipid metabolites in pediatric MS relapses and disability.
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Affiliation(s)
- Akash Virupakshaiah
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA
| | - Dimitrios C Ladakis
- Division of Neuroimmunology, Department of Neurology, Johns Hopkins University, Baltimore, MD, USA
| | - Bardia Nourbakhsh
- Division of Neuroimmunology, Department of Neurology, Johns Hopkins University, Baltimore, MD, USA
| | - Pavan Bhargava
- Division of Neuroimmunology, Department of Neurology, Johns Hopkins University, Baltimore, MD, USA
| | - Sonam Dilwali
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA
| | - Vinicius Schoeps
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, University of California Davis, Davis, CA, USA
| | - John W Newman
- West Coast Metabolomics Center, University of California Davis, Davis, CA, USA United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Emmanuelle Waubant
- Department of Neurology, University of California San Francisco, San Francisco, CA, USA
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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: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Vora B, Wen A, Yee SW, Trinh K, Azimi M, Green EAE, Sirota M, Greenberg AS, Newman JW, Giacomini KM. The Effect of Trimethoprim on Thiamine Absorption: A Transporter-Mediated Drug-Nutrient Interaction. Clin Pharmacol Ther 2023. [PMID: 37151050 DOI: 10.1002/cpt.2932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/03/2023] [Indexed: 05/09/2023]
Abstract
Trimethoprim is predicted to inhibit several thiamine transporters, including the primary thiamine intestinal absorptive transporter, ThTR-2, and the hepatic and renal organic cation transporters, OCT1, OCT2, and MATEs. To investigate the effect of trimethoprim on thiamine absorption, studies were conducted in cells, mice, and healthy volunteers and supported by use of real-world data. In a randomized, crossover clinical study, seven healthy volunteers were given a single oral dose of thiamine or thiamine plus trimethoprim, followed by blood sampling. The thiamine area under the curve (AUC) increased with trimethoprim co-administration (p-value =0.031), similar results were seen in mice. Trimethoprim appeared to act on thiamine absorption through inhibition of hepatic OCT1 as evidenced from its ability to modulate levels of isobutyrylcarnitine and propionylcarnitine, OCT1 biomarkers identified from metabolomic analyses. Real-world data further supported this finding, showing an association between trimethoprim use and higher levels of triglyceride, LDL cholesterol, and total cholesterol, consistent with OCT1 inhibition (p-values: 2.2 x 10-16 , 5.75 x 10-7 , 5.82 x 10-7 , respectively). Trimethoprim also reduced urinary excretion and clearance of biomarkers for OCT2 and MATEs, N-methylnicotinamide and N1 -methyladenosine. These findings suggest that trimethoprim increases plasma levels of thiamine by inhibiting hepatic OCT1. Trimethoprim also inhibited renal cation transporters, but that inhibition did not appear to play a role in the observed increases in thiamine levels. This study highlights the potential for drug-nutrient interactions involving transporters, in addition to transporters' established role in drug-drug interactions.
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Affiliation(s)
- Bianca Vora
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Anita Wen
- Department of Nutrition, University of California Davis, Davis, CA, 915616, USA
| | - Sook Wah Yee
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Kim Trinh
- Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University
| | - Mina Azimi
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Elizabeth A E Green
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, USA
| | - Marina Sirota
- Bakar Computational Health Sciences Institute, University of California San Francisco, San Francisco, CA, USA
| | - Andrew S Greenberg
- Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University
| | - John W Newman
- Department of Nutrition, University of California Davis, Davis, CA, 915616, USA
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, 915616, USA
- Western Human Nutrition Research Center, United States Department of Agriculture, Agriculture Research Service, Davis, CA, 95616, USA
| | - Kathleen M Giacomini
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, USA
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Yang Z, Wang YE, Kirschke CP, Stephensen CB, Newman JW, Keim NL, Cai Y, Huang L. Effects of a genetic variant rs13266634 in the zinc transporter 8 gene (SLC30A8) on insulin and lipid levels before and after a high-fat mixed macronutrient tolerance test in U.S. adults. J Trace Elem Med Biol 2023; 77:127142. [PMID: 36827808 DOI: 10.1016/j.jtemb.2023.127142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/02/2023] [Accepted: 02/17/2023] [Indexed: 02/21/2023]
Abstract
BACKGROUND The common C-allele of rs13266634 (c.973C>T or p.Arg325Trp) in SLC30A8 (ZNT8) is associated with increased risk of type 2 diabetes. While previous studies have examined the correlation of the variant with insulin and glucose metabolism, the effects of this variant on insulin and lipid responses after a lipid challenge in humans remain elusive. The goal of this study was to determine whether the C-allele had an impact on an individual's risk to metabolic syndromes in U.S. adults. METHOD We studied the genotypes of rs13266634 in 349 individuals aged between 18 and 65 y with BMI ranging from 18.5 to 45 kg/m2. The subjects were evaluated for insulin, glucose, HbA1c, ghrelin, and lipid profiles before and after a high-fat mixed macronutrient tolerance test (MMTT). RESULTS We found that the effects of variants rs13266634 on glucose and lipid metabolism were sex-dimorphic, greater impact on males than on females. Insulin incremental area under the curve (AUC) after MMTT was significantly decreased in men with the CC genotype (p < 0.05). Men with the CC genotype also had the lowest fasting non-esterified fatty acid (NEFA) concentrations. On the other hand, the TT genotype was associated with a slower triglyceride removal from the circulation in men after MMTT. The reduced triglyceride removal was also observed in subjects with BMI ≥ 30 carrying either the heterozygous or homozygous T-allele. Nevertheless, the SNP had little effect on fasting or postprandial blood glucose and cholesterol concentrations. CONCLUSION We conclude that the CC genotype negatively affects insulin response after MMTT while the T-allele may negatively influence lipolysis during fasting and postprandial blood triglyceride removal in men and obese subjects, a novel finding in this study.
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Affiliation(s)
- Zhongyue Yang
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA
| | - Yining E Wang
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Catherine P Kirschke
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Charles B Stephensen
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA; USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - John W Newman
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA; USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Nancy L Keim
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA; USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Yimeng Cai
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA; Department of Pathology and Laboratory Medicine, University of California at Davis, 2805 50th Street, Sacramento, CA 95817, USA
| | - Liping Huang
- Graduate Group of Nutritional Biology, Department of Nutrition, University of California at Davis, One Shields Ave., Davis, CA 95616, USA; USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA.
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16
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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. J Am Nutr Assoc 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Rybak I, Haas KN, Dhaliwal SK, Burney WA, Pourang A, Sandhu SS, Maloh J, Newman JW, Crawford R, Sivamani RK. Prospective Placebo-Controlled Assessment of Spore-Based Probiotic Supplementation on Sebum Production, Skin Barrier Function, and Acne. J Clin Med 2023; 12:jcm12030895. [PMID: 36769543 PMCID: PMC9918080 DOI: 10.3390/jcm12030895] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/13/2023] [Accepted: 01/20/2023] [Indexed: 01/25/2023] Open
Abstract
Probiotic supplementation has been shown to modulate the gut-skin axis. The goal of this study was to investigate whether oral spore-based probiotic ingestion modulates the gut microbiome, plasma short-chain fatty acids (SCFAs), and skin biophysical properties. This was a single-blinded, 8-week study (NCT03605108) in which 25 participants, 7 with noncystic acne, were assigned to take placebo capsules for the first 4 weeks, followed by 4 weeks of probiotic supplementation. Blood and stool collection, facial photography, sebum production, transepidermal water loss (TEWL), skin hydration measurements, and acne assessments were performed at baseline, 4, and 8 weeks. Probiotic supplementation resulted in a decreasing trend for the facial sebum excretion rate and increased TEWL overall. Subanalysis of the participants with acne showed improvement in total, noninflammatory, and inflammatory lesion counts, along with improvements in markers of gut permeability. The gut microbiome of the nonacne population had an increase in the relative abundance of Akkermansia, while the subpopulation of those with acne had an increase in the relative abundance of Lachnospiraceae and Ruminococcus gnavus. Probiotic supplementation augmented the circulating acetate/propionate ratio. There is preliminary evidence for the use of spore-based probiotic supplementation to shift the gut microbiome and augment short-chain fatty acids in those with and without acne. Further spore-based supplementation studies in those with noncystic acne are warranted.
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Affiliation(s)
- Iryna Rybak
- Department of Dermatology, University of California—Davis, Sacramento, CA 95816, USA
| | - Kelly N. Haas
- Department of Biology, University of Massachusetts, Amherst, MA 01003, USA
| | - Simran K. Dhaliwal
- Department of Dermatology, University of California—Davis, Sacramento, CA 95816, USA
| | - Waqas A. Burney
- Integrative Skin Science and Research, Sacramento, CA 95815, USA
| | - Aunna Pourang
- Department of Dermatology, University of California—Davis, Sacramento, CA 95816, USA
- Department of Dermatology, Wayne StateUniversity, Dearborn, MI 48124, USA
| | - Simran S. Sandhu
- School of Medicine, University of California—Davis, Sacramento, CA 95816, USA
| | - Jessica Maloh
- Integrative Skin Science and Research, Sacramento, CA 95815, USA
| | - John W. Newman
- Department of Nutrition, University of California—Davis, Sacramento, CA 95616, USA
- West Coast Metabolomics Center, Genome Center, Davis, CA 95616, USA
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
| | - Robert Crawford
- Department of Biological Sciences, California State University, Sacramento, CA 95819, USA
| | - Raja K. Sivamani
- Department of Dermatology, University of California—Davis, Sacramento, CA 95816, USA
- Integrative Skin Science and Research, Sacramento, CA 95815, USA
- College of Medicine, California Northstate University, Elk Grove, CA 95757, USA
- Pacific Skin Institute, Sacramento, CA 95815, USA
- Correspondence:
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James KL, Gertz ER, Kirschke CP, Allayee H, Huang L, Kable ME, Newman JW, Stephensen CB, Bennett BJ. Trimethylamine N-Oxide Response to a Mixed Macronutrient Tolerance Test in a Cohort of Healthy United States Adults. Int J Mol Sci 2023; 24:2074. [PMID: 36768394 PMCID: PMC9917175 DOI: 10.3390/ijms24032074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023] Open
Abstract
Plasma trimethylamine n-oxide (TMAO) concentration increases in responses to feeding TMAO, choline, phosphatidylcholine, L-carnitine, and betaine but it is unknown whether concentrations change following a mixed macronutrient tolerance test (MMTT) with limited amounts of TMAO precursors. In this proof-of-concept study, we provided healthy female and male adults (n = 97) ranging in age (18-65 years) and BMI (18-44 kg/m2) a MMTT (60% fat, 25% sucrose; 42% of a standard 2000 kilo calorie diet) and recorded their metabolic response at fasting and at 30 min, 3 h, and 6 h postprandially. We quantified total exposure to TMAO (AUC-TMAO) and classified individuals by the blood draw at which they experienced their maximal TMAO concentration (TMAO-response groups). We related AUC-TMAO to the 16S rRNA microbiome, to two SNPs in the exons of the FMO3 gene (rs2266782, G>A, p.Glu158Lys; and rs2266780, A>G, p.Glu308Gly), and to a priori plasma metabolites. We observed varying TMAO responses (timing and magnitude) and identified a sex by age interaction such that AUC-TMAO increased with age in females but not in males (p-value = 0.0112). Few relationships between AUC-TMAO and the fecal microbiome and FMO3 genotype were identified. We observed a strong correlation between AUC-TMAO and TNF-α that depended on TMAO-response group. These findings promote precision nutrition and have important ramifications for the eating behavior of adults who could benefit from reducing TMAO exposure, and for understanding factors that generate plasma TMAO.
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Affiliation(s)
- Kristen L. James
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Erik R. Gertz
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Catherine P. Kirschke
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Hooman Allayee
- Department of Population & Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- Department of Biochemistry & Molecular Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Liping Huang
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Mary E. Kable
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - John W. Newman
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Charles B. Stephensen
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - Brian J. Bennett
- Department of Nutrition, University of California-Davis, One Shields Avenue, Davis, CA 95616, USA
- USDA-ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
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Deol P, Ruegger P, Logan GD, Shawki A, Li J, Mitchell JD, Yu J, Piamthai V, Radi SH, Hasnain S, Borkowski K, Newman JW, McCole DF, Nair MG, Hsiao A, Borneman J, Sladek FM. Diet high in linoleic acid dysregulates the intestinal endocannabinoid system and increases susceptibility to colitis in Mice. Gut Microbes 2023; 15:2229945. [PMID: 37400966 DOI: 10.1080/19490976.2023.2229945] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/05/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a multifactorial disease with increasing incidence in the U.S. suggesting that environmental factors, including diet, are involved. It has been suggested that excessive consumption of linoleic acid (LA, C18:2 omega-6), which must be obtained from the diet, may promote the development of IBD in humans. To demonstrate a causal link between LA and IBD, we show that a high fat diet (HFD) based on soybean oil (SO), which is comprised of ~55% LA, increases susceptibility to colitis in several models, including IBD-susceptible IL10 knockout mice. This effect was not observed with low-LA HFDs derived from genetically modified soybean oil or olive oil. The conventional SO HFD causes classical IBD symptoms including immune dysfunction, increased intestinal epithelial barrier permeability, and disruption of the balance of isoforms from the IBD susceptibility gene Hepatocyte Nuclear Factor 4α (HNF4α). The SO HFD causes gut dysbiosis, including increased abundance of an endogenous adherent invasive Escherichia coli (AIEC), which can use LA as a carbon source. Metabolomic analysis shows that in the mouse gut, even in the absence of bacteria, the presence of soybean oil increases levels of LA, oxylipins and prostaglandins. Many compounds in the endocannabinoid system, which are protective against IBD, are decreased by SO both in vivo and in vitro. These results indicate that a high LA diet increases susceptibility to colitis via microbial and host-initiated pathways involving alterations in the balance of bioactive metabolites of omega-6 and omega-3 polyunsaturated fatty acids, as well as HNF4α isoforms.
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Affiliation(s)
- Poonamjot Deol
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, USA
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Paul Ruegger
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Geoffrey D Logan
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Ali Shawki
- Division of Biomedical Sciences, University of California, Riverside, CA, USA
| | - Jiang Li
- Division of Biomedical Sciences, University of California, Riverside, CA, USA
| | - Jonathan D Mitchell
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Jacqueline Yu
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, USA
| | - Varadh Piamthai
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Sarah H Radi
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, USA
| | - Sana Hasnain
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome and Biological Sciences Facility, University of California Davis, Davis, CA, USA
| | - John W Newman
- West Coast Metabolomics Center, Genome and Biological Sciences Facility, University of California Davis, Davis, CA, USA
- United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA
| | - Declan F McCole
- Division of Biomedical Sciences, University of California, Riverside, CA, USA
| | - Meera G Nair
- Division of Biomedical Sciences, University of California, Riverside, CA, USA
| | - Ansel Hsiao
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - James Borneman
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, USA
| | - Frances M Sladek
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, USA
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20
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Bellomo TR, Tsao NL, Johnston-Cox H, Borkowski K, Shakt G, Judy R, Moore J, Ractcliffe SJ, Fiehn O, Floyd TF, Wehrli FW, Mohler E, Newman JW, Damrauer SM. Metabolite patterns associated with individual response to supervised exercise therapy in patients with intermittent claudication. JVS Vasc Sci 2022; 3:379-388. [PMID: 36568282 PMCID: PMC9772856 DOI: 10.1016/j.jvssci.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022] Open
Abstract
Objective Supervised exercise therapy (SET) is the first line treatment for intermittent claudication owing to peripheral arterial disease. Despite multiple randomized controlled trials proving the efficacy of SET, there are large differences in individual patient's responses. We used plasma metabolomics to identify potential metabolic influences on the individual response to SET. Methods Primary metabolites, complex lipids, and lipid mediators were measured on plasma samples taken at before and after Gardner graded treadmill walking tests that were administered before and after 12 weeks of SET. We used an ensemble modeling approach to identify metabolites or changes in metabolites at specific time points that associated with interindividual variability in the functional response to SET. Specific time points analyzed included baseline metabolite levels before SET, dynamic metabolomics changes before SET, the difference in pre- and post-SET baseline metabolomics, and the difference (pre- and post-SET) of the dynamic (pre- and post-treadmill). Results High levels of baseline anandamide levels pre- and post-SET were associated with a worse response to SET. Increased arachidonic acid (AA) and decreased levels of the AA precursor dihomo-γ-linolenic acid across SET were associated with a worse response to SET. Participants who were able to tolerate large increases in AA during acute exercise had longer, or better, walking times both before and after SET. Conclusions We identified two pathways of relevance to individual response to SET that warrant further study: anandamide synthesis may activate endocannabinoid receptors, resulting in worse treadmill test performance. SET may train patients to withstand higher levels of AA, and inflammatory signaling, resulting in longer walking times. Clinical Relevance This manuscript describes the use of metabolomic techniques to measure the interindividual effects of SET in patients with peripheral artery disease (PAD). We identified high levels of AEA are linked to CB1 signaling and activation of inflammatory pathways. This alters energy expenditure in myoblasts by decreasing glucose uptake and may induce an acquired skeletal muscle myopathy. SET may also help participants tolerate increased levels of AA and inflammation produced during exercise, resulting in longer walking times. This data will enhance understanding of the pathophysiology of PAD and the mechanism by which SET improves walking intolerance.
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Affiliation(s)
- Tiffany R. Bellomo
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Noah L. Tsao
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA,Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA
| | - Hillary Johnston-Cox
- Division of Cardiovascular Medicine, Department of Medicine, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Kamil Borkowski
- West Coast Metabolomics Center, University of California Davis, Davis, CA
| | - Gabrielle Shakt
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA,Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA
| | - Renae Judy
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA,Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA
| | - Jonni Moore
- Department of Pathology, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | | | - Oliver Fiehn
- West Coast Metabolomics Center, University of California Davis, Davis, CA
| | - Thomas F. Floyd
- Departments of Anesthesiology and Pain Management, Cardiovascular Surgery, and Radiology, University of Texas Southwestern, Dallas, TX
| | - Felix W. Wehrli
- Department of Radiology, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Emile Mohler
- Division of Cardiovascular Medicine, Department of Medicine, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - John W. Newman
- West Coast Metabolomics Center, University of California Davis, Davis, CA,Department of Nutrition, University of California, Davis, CA,Obesity and Metabolism Research Unit, USDA-ARS-Western Human Nutrition Research Center, Davis, CA
| | - Scott M. Damrauer
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA,Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA,Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA,Correspondence: Scott M. Damrauer, MD, Division of Vascular Surgery, Hospital of the University of Pennsylvania, 3400 Spruce St, 4 Silverstein, Philadelphia, PA 19104
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21
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Dalle C, Tournayre J, Mainka M, Basiak-Rasała A, Pétéra M, Lefèvre-Arbogast S, Dalloux-Chioccioli J, Deschasaux-Tanguy M, Lécuyer L, Kesse-Guyot E, Fezeu LK, Hercberg S, Galan P, Samieri C, Zatońska K, Calder PC, Fiil Hjorth M, Astrup A, Mazur A, Bertrand-Michel J, Schebb NH, Szuba A, Touvier M, Newman JW, Gladine C. The Plasma Oxylipin Signature Provides a Deep Phenotyping of Metabolic Syndrome Complementary to the Clinical Criteria. Int J Mol Sci 2022; 23:ijms231911688. [PMID: 36232991 PMCID: PMC9570185 DOI: 10.3390/ijms231911688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/23/2022] [Accepted: 09/24/2022] [Indexed: 11/06/2022] Open
Abstract
Metabolic syndrome (MetS) is a complex condition encompassing a constellation of cardiometabolic abnormalities. Oxylipins are a superfamily of lipid mediators regulating many cardiometabolic functions. Plasma oxylipin signature could provide a new clinical tool to enhance the phenotyping of MetS pathophysiology. A high-throughput validated mass spectrometry method, allowing for the quantitative profiling of over 130 oxylipins, was applied to identify and validate the oxylipin signature of MetS in two independent nested case/control studies involving 476 participants. We identified an oxylipin signature of MetS (coined OxyScore), including 23 oxylipins and having high performances in classification and replicability (cross-validated AUCROC of 89%, 95% CI: 85–93% and 78%, 95% CI: 72–85% in the Discovery and Replication studies, respectively). Correlation analysis and comparison with a classification model incorporating the MetS criteria showed that the oxylipin signature brings consistent and complementary information to the clinical criteria. Being linked with the regulation of various biological processes, the candidate oxylipins provide an integrative phenotyping of MetS regarding the activation and/or negative feedback regulation of crucial molecular pathways. This may help identify patients at higher risk of cardiometabolic diseases. The oxylipin signature of patients with metabolic syndrome enhances MetS phenotyping and may ultimately help to better stratify the risk of cardiometabolic diseases.
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Affiliation(s)
- Céline Dalle
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Jérémy Tournayre
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Malwina Mainka
- Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Alicja Basiak-Rasała
- Department of Social Medicine, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Mélanie Pétéra
- Plateforme d’Exploration du Métabolisme, MetaboHUB Clermont, UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Sophie Lefèvre-Arbogast
- Bordeaux Population Health Research Center, Université de Bordeaux, INSERMUMR 1219, 33076 Bordeaux, France
| | - Jessica Dalloux-Chioccioli
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, 31400 Toulouse, France
| | - Mélanie Deschasaux-Tanguy
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Lucie Lécuyer
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Léopold K. Fezeu
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Serge Hercberg
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Pilar Galan
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - Cécilia Samieri
- Bordeaux Population Health Research Center, Université de Bordeaux, INSERMUMR 1219, 33076 Bordeaux, France
| | - Katarzyna Zatońska
- Department of Social Medicine, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Philip C. Calder
- Faculty of Medicine, School of Human Development and Health, University of Southampton, Southampton SO16 6YD, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton SO16 6YD, UK
| | - Mads Fiil Hjorth
- Obesity and Nutritional Sciences, Novo Nordisk Foundation, 2900 Hellerup, Denmark
| | - Arne Astrup
- Obesity and Nutritional Sciences, Novo Nordisk Foundation, 2900 Hellerup, Denmark
| | - André Mazur
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
| | - Justine Bertrand-Michel
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, 31400 Toulouse, France
| | - Nils Helge Schebb
- Faculty of Mathematics and Natural Sciences, University of Wuppertal, 42119 Wuppertal, Germany
| | - Andrzej Szuba
- Department of Angiology, Hypertension and Diabetology, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Mathilde Touvier
- Nutritional Epidemiology Research Team (EREN), Sorbonne Paris Nord University, INSERM U1153, INRAE U1125, Cnam, Epidemiology and Statistics Research Center, University Paris Cité (CRESS), 93017 Bobigny, France
| | - John W. Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA 95616, USA
- University of California Davis Genome Center, University of California, Davis, CA 95616, USA
- Department of Nutrition, University of California, Davis, CA 95616, USA
| | - Cécile Gladine
- UNH, INRAE, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- Correspondence: ; Tel.: +33-473-624-230
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Riazati N, Kable ME, Newman JW, Adkins Y, Freytag T, Jiang X, Stephensen CB. Associations of microbial and indoleamine-2,3-dioxygenase-derived tryptophan metabolites with immune activation in healthy adults. Front Immunol 2022; 13:917966. [PMID: 36248784 PMCID: PMC9558171 DOI: 10.3389/fimmu.2022.917966] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
Background Tryptophan (Trp) metabolites from intestinal bacteria (indole, indole acetic acid [IAA] and indole propionic acid [IPA]), and the Trp metabolite kynurenine (Kyn) from the indoleamine 2,3-dioxygenase (IDO) pathway, are aryl hydrocarbon receptor (AhR) agonists and thus, can regulate immune activity via the AhR pathway. We hypothesized that plasma concentrations of these metabolites would be associated with markers of immune activation in a cohort of healthy adults in a manner consistent with AhR-mediated immune-regulation. We also hypothesized that the plasma Kyn/Trp ratio, a marker of IDO activity, would be associated with immune markers reflecting IDO activation in innate immune cells. Finally, we hypothesized that some intestinal bacteria would be associated with plasma indole, IPA and IAA, and that these bacteria themselves would be associated with immune markers. Methods A novel set of 88 immune markers, and plasma Trp metabolites, were measured in 362 healthy adults. Bacterial taxa from stool were identified by 16S rRNA gene analysis. Multiple linear regression analysis was used to identify significant associations with immune markers. Results The sum of indole and IAA was positively associated with natural killer T-cells levels. Kyn and Kyn/Trp were positively associated with neopterin and IP-10, markers of type 1 immunity, and TNF-α and C-reactive protein (CRP), markers of the acute phase response, and the regulatory cytokine IL-10. Three bacteria negatively associated with Trp metabolites were associated with markers of immune activation: the family Lachnospiraceae with higher lymphocyte counts but lower level of activated CD4 T-cells, the genus Dorea with higher production of IFN-γ by T-cells in PBMC cultures, and the genus Ruminococcus with higher production IL-6 in PBMC cultures stimulated with bacterial lipopolysaccharide (LPS). Conclusions In this cohort of healthy adults bacterial Trp metabolites were not strongly associated with immune markers. Conversely, the Kyn/Trp ratio was strongly associated with markers of systemic inflammation and the acute phase response, consistent with IDO activation in innate immune cells. Finally, commensal bacteria associated with lower plasma (and perhaps intestinal) levels of bacterial Trp metabolites were associated with greater immune activation, possibly reflecting decreased regulatory immune activity related to lower intestinal levels of bacterial indole metabolites.
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Affiliation(s)
- Niknaz Riazati
- Graduate group of Molecular, Cellular, and Integrative Physiology, University of California, Davis, Davis, CA, United States
| | - Mary E. Kable
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States,Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - John W. Newman
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States,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
| | - Yuriko Adkins
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States
| | - Tammy Freytag
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States
| | - Xiaowen Jiang
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States
| | - Charles B. Stephensen
- USDA Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States,Department of Nutrition, University of California, Davis, Davis, CA, United States,*Correspondence: Charles B. Stephensen,
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Wang YE, Kirschke CP, Woodhouse LR, Bonnel EL, Stephensen CB, Bennett BJ, Newman JW, Keim NL, Huang L. SNPs in apolipoproteins contribute to sex-dependent differences in blood lipids before and after a high-fat dietary challenge in healthy U.S. adults. BMC Nutr 2022; 8:95. [PMID: 36050800 PMCID: PMC9438272 DOI: 10.1186/s40795-022-00592-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 08/21/2022] [Indexed: 11/23/2022] Open
Abstract
Background The effect of genetic polymorphisms on fasting blood lipid levels have been widely studied but the effects of these within the context of a high-fat meal challenge remain less characterized. The current study aimed to investigate the association of SNPs in lipoprotein-related genes with blood lipid profiles in healthy adults in the U.S. Methods Subjects (n = 393) between 18–66 years of age with BMIs ranging from 18.5–45 kg/m2 were enrolled the cross-sectional Nutritional Phenotyping Study. Among them, 349 subjects (men: 48%; women: 52%) gave consent for genotyping. SNPs in APOA5, APOB, APOC3, APOE, and LDLR were assessed. The association between lipid markers and genotypes was tested separately for each SNP with analysis of variance (ANOVA), adjusted for sex, age, and BMI. We also examined two-factor interactions between SNPs and sex, age, or BMI. Results Women carrying the C allele of rs3135506 in APOA5 or men carrying the C allele of rs429358 in APOE had reduced HDL-cholesterol levels during fasting and postprandially. The C allele in APOE was also correlated to increased LDL-C levels. The TT genotype of rs2854116 in APOC3 was associated with elevated total cholesterol. Additive effect of the risk alleles of APOA5 and APOE or APOC3 and APOE was detected. Nevertheless, the tested SNPs had little impact on the postprandial triglyceride responses to the high-fat challenge meal. We found no significant effects of SNPs in APOB (rs1042034) or LDLR (rs2228671) on triglycerides, cholesterol, or free fatty acid levels. Conclusions In healthy adults, fasting and postprandial cholesterol levels are strongly correlated with the tested APOA5, APOE, and APOC3 genotypes. Sex contributes to the genetic impact of the tested SNPs on lipid profiles. Trial registration ClinicalTrials.gov, NCT02367287. Registered February 20, 2015, https://clinicaltrials.gov/ct2/show/NCT02367287. Supplementary Information The online version contains supplementary material available at 10.1186/s40795-022-00592-x.
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Affiliation(s)
- Yining E Wang
- Integrative Genetics and Genomics, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Catherine P Kirschke
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
| | - Leslie R Woodhouse
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
| | - Ellen L Bonnel
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
| | - Charles B Stephensen
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA.,Department of Nutrition, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Brian J Bennett
- Integrative Genetics and Genomics, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA.,USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA.,Department of Nutrition, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA
| | - John W Newman
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA.,Department of Nutrition, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Nancy L Keim
- USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA.,Department of Nutrition, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA
| | - Liping Huang
- Integrative Genetics and Genomics, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA. .,USDA/ARS/Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA. .,Department of Nutrition, University of California at Davis, One Shields Ave, Davis, CA, 95616, USA.
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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: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Angelotti A, Snoke DB, Ormiston K, Cole RM, Borkowski K, Newman JW, Orchard TS, Belury MA. Potential Cardioprotective Effects and Lipid Mediator Differences in Long-Chain Omega-3 Polyunsaturated Fatty Acid Supplemented Mice Given Chemotherapy. Metabolites 2022; 12:metabo12090782. [PMID: 36144189 PMCID: PMC9505633 DOI: 10.3390/metabo12090782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/04/2022] [Accepted: 08/22/2022] [Indexed: 11/25/2022] Open
Abstract
Many commonly used chemotherapies induce mitochondrial dysfunction in cardiac muscle, which leads to cardiotoxicity and heart failure later in life. Dietary long-chain omega-3 polyunsaturated fatty acids (LC n-3 PUFA) have demonstrated cardioprotective function in non-chemotherapy models of heart failure, potentially through the formation of LC n-3 PUFA-derived bioactive lipid metabolites. However, it is unknown whether dietary supplementation with LC n-3 PUFA can protect against chemotherapy-induced cardiotoxicity. To test this, 36 female ovariectomized C57BL/6J mice were randomized in a two-by-two factorial design to either a low (0 g/kg EPA + DHA) or high (12.2 g/kg EPA + DHA) LC n-3 PUFA diet, and received either two vehicle or two chemotherapy (9 mg/kg anthracycline + 90 mg/kg cyclophosphamide) tail vein injections separated by two weeks. Body weight and food intake were measured as well as heart gene expression and fatty acid composition. Heart mitochondria were isolated using differential centrifugation. Mitochondrial isolate oxylipin and N-acylethanolamide levels were measured by mass spectrometry after alkaline hydrolysis. LC n-3 PUFA supplementation attenuated some chemotherapy-induced differences (Myh7, Col3a1) in heart gene expression, and significantly altered various lipid species in cardiac mitochondrial preparations including several epoxy fatty acids [17(18)-EpETE] and N-acylethanolamines (arachidonoylethanolamine, AEA), suggesting a possible functional link between heart lipids and cardiotoxicity.
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Affiliation(s)
- Austin Angelotti
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Deena B. Snoke
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
- Department of Medicine, University of Vermont Larner College of Medicine, Burlington, VT 05405, USA
| | - Kate Ormiston
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
- Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
| | - Rachel M. Cole
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA 95616, USA
| | - John W. Newman
- West Coast Metabolomics Center, Genome Center, 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
- Department of Nutrition, University of California-Davis, Davis, CA 95616, USA
| | - Tonya S. Orchard
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Martha A. Belury
- Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
- Correspondence:
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Newman JW, Krishnan S, Borkowski K, Adams SH, Stephensen CB, Keim NL. Assessing Insulin Sensitivity and Postprandial Triglyceridemic Response Phenotypes With a Mixed Macronutrient Tolerance Test. Front Nutr 2022; 9:877696. [PMID: 35634390 PMCID: PMC9131925 DOI: 10.3389/fnut.2022.877696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/25/2022] [Indexed: 12/18/2022] Open
Abstract
The use of meal challenge tests to assess postprandial responses in carbohydrate and fat metabolism is well established in clinical nutrition research. However, challenge meal compositions and protocols remain a variable. Here, we validated a mixed macronutrient tolerance test (MMTT), containing 56-g palm oil, 59-g sucrose, and 26-g egg white protein for the parallel determination of insulin sensitivity and postprandial triglyceridemia in clinically healthy subjects. The MMTT was administered in two study populations. In one, women with overweight/obese BMIs (n = 43) involved in an 8-week dietary intervention were administered oral glucose tolerance tests (OGTTs) and MMTTs within 2 days of each other after 0, 2, and 8 weeks of the dietary intervention. In the other, 340 men and women between 18 and 64 years of age, with BMI from 18–40 kg/m2, completed the MMTT as part of a broad nutritional phenotyping effort. Postprandial blood collected at 0, 0.5, 3, and 6 h was used to measure glucose, insulin, and clinical lipid panels. The MMTT postprandial insulin-dependent glucose disposal was evaluated by using the Matsuda Index algorithm and the 0- and 3 h blood insulin and glucose measures. The resulting MMTT insulin sensitivity index (ISIMMTT) was strongly correlated (r = 0.77, p < 0.001) with the OGTT-dependent 2 h composite Matsuda index (ISIComposite), being related by the following equation: Log (ISIComposite) = [0.8751 x Log(ISIMMTT)] –0.2115. An area under the triglyceride excursion curve >11.15 mg/mL h–1 calculated from the 0, 3, and 6 h blood draws established mild-to-moderate triglyceridemia in agreement with ∼20% greater prevalence of hypertriglyceridemia than fasting indications. We also demonstrated that the product of the 0 to 3 h and 3 to 6 h triglyceride rate of change as a function of the triglyceride incremental area under the curve optimally stratified subjects by postprandial response patterns. Notably, ∼2% of the population showed minimal triglyceride appearance by 6 h, while ∼25% had increasing triglycerides through 6 h. Ultimately, using three blood draws, the MMTT allowed for the simultaneous determination of insulin sensitivity and postprandial triglyceridemia in individuals without clinically diagnosed disease.Clinical Trial Registration[https://clinicaltrials.gov/], identifier [NCT02298725; NCT02367287].
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Affiliation(s)
- John W. Newman
- Western Human Nutrition Research Center, Agricultural Research Service, USDA, Davis, CA, United States
- 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
- *Correspondence: John W. Newman,
| | - Sridevi Krishnan
- Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
| | - Sean H. Adams
- Department of Surgery, Davis School of Medicine, University of California, Davis, Sacramento, CA, United States
- Center for Alimentary and Metabolic Science, Davis School of Medicine, University of California, Davis, Sacramento, CA, United States
| | - Charles B. Stephensen
- Western Human Nutrition Research Center, Agricultural Research Service, USDA, Davis, CA, United States
- Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Nancy L. Keim
- Western Human Nutrition Research Center, Agricultural Research Service, USDA, Davis, CA, United States
- Department of Nutrition, University of California, Davis, Davis, CA, United States
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27
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Johnson CM, Rosario R, Brito A, Agrawal K, Fanter R, Lietz G, Haskell M, Engle-Stone R, Newman JW, La Frano MR. Multi-assay nutritional metabolomics profiling of low vitamin A status versus adequacy is characterized by reduced plasma lipid mediators among lactating women in the Philippines: A pilot study. Nutr Res 2022; 104:118-127. [DOI: 10.1016/j.nutres.2022.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/16/2022] [Accepted: 05/20/2022] [Indexed: 01/08/2023]
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Artegoitia VM, Newman JW, Foote AP, Shackelford SD, King DA, Wheeler TL, Lewis RM, Freetly HC. Non-invasive metabolomics biomarkers of production efficiency and beef carcass quality traits. Sci Rep 2022; 12:231. [PMID: 34997076 PMCID: PMC8742028 DOI: 10.1038/s41598-021-04049-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 12/14/2021] [Indexed: 11/25/2022] Open
Abstract
The inter-cattle growth variations stem from the interaction of many metabolic processes making animal selection difficult. We hypothesized that growth could be predicted using metabolomics. Urinary biomarkers of cattle feed efficiency were explored using mass spectrometry-based untargeted and targeted metabolomics. Feed intake and weight-gain was measured in steers (n = 75) on forage-based growing rations (stage-1, 84 days) followed by high-concentrate finishing rations (stage-2, 84 days). Urine from days 0, 21, 42, 63, and 83 in each stage were analyzed from steers with the greater (n = 14) and least (n = 14) average-daily-gain (ADG) and comparable dry-matter-intake (DMI; within 0.32 SD of the mean). Steers were slaughtered after stage-2. Adjusted fat-thickness and carcass-yield-grade increased in greater-ADG-cattle selected in stage-1, but carcass traits did not differ between ADG-selected in stage-2. Overall 85 untargeted metabolites segregated greater- and least-ADG animals, with overlap across diets (both stages) and breed type, despite sampling time effects. Total 18-bile acids (BAs) and 5-steroids were quantified and associated with performance and carcass quality across ADG-classification depending on the stage. Stepwise logistic regression of urinary BA and steroids had > 90% accuracy identifying efficient-ADG-steers. Urine metabolomics provides new insight into the physiological mechanisms and potential biomarkers for feed efficiency.
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Affiliation(s)
- Virginia M Artegoitia
- USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA. .,USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA. .,Animal Science, University Nebraska, Lincoln, NE, 68583, USA.
| | - J W Newman
- USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
| | - A P Foote
- USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA.,Animal Science, Oklahoma State University, Stillwater, OK, 74078, USA
| | - S D Shackelford
- USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA
| | - D A King
- USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA
| | - T L Wheeler
- USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA
| | - R M Lewis
- Animal Science, University Nebraska, Lincoln, NE, 68583, USA
| | - H C Freetly
- USDA, ARS, Meat Animal Research Center, Clay Center, NE, 68933, USA
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Krishnan S, Gertz ER, Adams SH, Newman JW, Pedersen TL, Keim NL, Bennett BJ. Effects of a diet based on the Dietary Guidelines on vascular health and TMAO in women with cardiometabolic risk factors. Nutr Metab Cardiovasc Dis 2022; 32:210-219. [PMID: 34895998 PMCID: PMC8798222 DOI: 10.1016/j.numecd.2021.09.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIMS Recent evidence links trimethylamine oxide (TMAO) to endothelial dysfunction, an early indicator of cardiovascular disease. We aimed to determine whether short-term consumption of a diet patterned after the 2010 Dietary Guidelines for Americans (DGA) would affect endothelial function, plasma TMAO concentrations, and cardiovascular disease risk, differently than a typical American Diet (TAD). METHODS AND RESULTS An 8-wk controlled feeding trial was conducted in overweight/obese women pre-screened for insulin resistance and/or dyslipidemia. Women were randomized to a DGA or TAD group (n = 22/group). At wk0 (pre-intervention) and wk8 (post-intervention) vascular age was calculated; endothelial function (reactive hyperemia index (RHI)) and augmentation index (AI@75) were measured using EndoPAT, and plasma TMAO was measured by LC-MS/MS. Vascular age was reduced in DGA at wk8 compared to wk0 but TAD wk8 was not different from wk0 (DGA wk0: 54.2 ± 4.0 vs. wk8: 50.5 ± 3.1 (p = 0.05), vs. TAD wk8: 47.7 ± 2.3). Plasma TMAO concentrations, RHI, and AI@75 were not different between groups or weeks. CONCLUSION Consumption of a diet based on the 2010 Dietary Guidelines for Americans for 8 weeks did not improve endothelial function or reduce plasma TMAO. CLINICALTRIALS.GOV: NCT02298725.
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Affiliation(s)
- Sridevi Krishnan
- USDA-Western Human Nutrition Research Center, Davis, CA, USA; Department of Nutrition, University of California-Davis, Davis, CA, USA
| | - Erik R Gertz
- USDA-Western Human Nutrition Research Center, Davis, CA, USA
| | - Sean H Adams
- Department of Surgery, University of California Davis School of Medicine, Sacramento, CA, USA; Center for Alimentary and Metabolic Science, University of California Davis School of Medicine, Sacramento, CA, USA
| | - John W Newman
- USDA-Western Human Nutrition Research Center, Davis, CA, USA; Department of Nutrition, University of California-Davis, Davis, CA, USA
| | - Theresa L Pedersen
- Department of Food Science and Technology, University of California-Davis, Davis, CA, USA
| | - Nancy L Keim
- USDA-Western Human Nutrition Research Center, Davis, CA, USA; Department of Nutrition, University of California-Davis, Davis, CA, USA
| | - Brian J Bennett
- USDA-Western Human Nutrition Research Center, Davis, CA, USA; Department of Nutrition, University of California-Davis, Davis, CA, USA.
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Shivakoti R, Newman JW, Hanna LE, Queiroz ATL, Borkowski K, Gupte AN, Paradkar M, Satyamurthi P, Kulkarni V, Selva M, Pradhan N, Shivakumar SVBY, Natarajan S, Karunaianantham R, Gupte N, Thiruvengadam K, Fiehn O, Bharadwaj R, Kagal A, Gaikwad S, Sangle S, Golub JE, Andrade BB, Mave V, Gupta A, Padmapriyadarsini C. Host lipidome and tuberculosis treatment failure. Eur Respir J 2022; 59:2004532. [PMID: 34375300 PMCID: PMC9625841 DOI: 10.1183/13993003.04532-2020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 05/24/2021] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Host lipids play important roles in tuberculosis (TB) pathogenesis. Whether host lipids at TB treatment initiation (baseline) affect subsequent treatment outcomes has not been well characterised. We used unbiased lipidomics to study the prospective association of host lipids with TB treatment failure. METHODS A case-control study (n=192), nested within a prospective cohort study, was used to investigate the association of baseline plasma lipids with TB treatment failure among adults with pulmonary TB. Cases (n=46) were defined as TB treatment failure, while controls (n=146) were those without failure. Complex lipids and inflammatory lipid mediators were measured using liquid chromatography mass spectrometry techniques. Adjusted least-square regression was used to assess differences in groups. In addition, machine learning identified lipids with highest area under the curve (AUC) to classify cases and controls. RESULTS Baseline levels of 32 lipids differed between controls and those with treatment failure after false discovery rate adjustment. Treatment failure was associated with lower baseline levels of cholesteryl esters and oxylipin, and higher baseline levels of ceramides and triglycerides compared to controls. Two cholesteryl ester lipids combined in a unique classifier model provided an AUC of 0.79 (95% CI 0.65-0.93) in the test dataset for prediction of TB treatment failure. CONCLUSIONS We identified lipids, some with known roles in TB pathogenesis, associated with TB treatment failure. In addition, a lipid signature with prognostic accuracy for TB treatment failure was identified. These lipids could be potential targets for risk-stratification, adjunct therapy and treatment monitoring.
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Affiliation(s)
- Rupak Shivakoti
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Dept of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, USA
| | - John W Newman
- Obesity and Metabolism Research Unit, Western Human Nutrition Research Center, Agricultural Research Service, United States Department of Agriculture, Davis, CA, USA
- Dept of Nutrition, University of California, Davis, CA, USA
- West Coast Metabolomics Center, University of California, Davis, CA, USA
| | | | - Artur T L Queiroz
- Instituto Goncalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research, Salvador, Brazil
| | - Kamil Borkowski
- West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Akshay N Gupte
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mandar Paradkar
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
| | | | - Vandana Kulkarni
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
| | - Murugesh Selva
- National Institute for Research in Tuberculosis, Chennai, India
| | - Neeta Pradhan
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
| | | | | | | | - Nikhil Gupte
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
| | | | - Oliver Fiehn
- West Coast Metabolomics Center, University of California, Davis, CA, USA
| | - Renu Bharadwaj
- Byramjee-Jeejeebhoy Government Medical College, Pune, India
| | - Anju Kagal
- Byramjee-Jeejeebhoy Government Medical College, Pune, India
| | - Sanjay Gaikwad
- Byramjee-Jeejeebhoy Government Medical College, Pune, India
| | | | - Jonathan E Golub
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Bruno B Andrade
- Instituto Goncalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, Brazil
- Curso de Medicina, Faculdade de Tecnologia e Ciências, Salvador, Brazil
- Curso de Medicina, Universidade Salvador (UNIFACS), Laureate International Universities, Salvador, Brazil
- Escola Bahiana de Medicina e Saúde Pública (EBMSP), Salvador, Brazil
| | - Vidya Mave
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
| | - Amita Gupta
- Dept of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Byramjee-Jeejeebhoy Medical College-Johns Hopkins University Clinical Research Site, Pune, India
- Equal contribution
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Hampel D, Shahab-Ferdows S, Newman JW, Allen LH. Improving LC-MS analysis of human milk B-vitamins by lactose removal. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1183:122968. [PMID: 34628184 PMCID: PMC8752959 DOI: 10.1016/j.jchromb.2021.122968] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/14/2021] [Accepted: 09/29/2021] [Indexed: 11/21/2022]
Abstract
Lactose in human milk affects B-vitamin analysis by fouling the ion source. Typical extraction methods are inefficient for lactose removal. Chromatographic separation from analytes enables lactose mechanical removal.
Our previously reported, first validated, UPLC-MS/MS-based simultaneous analysis of five human milk B-vitamins revealed severe matrix effects. High levels of endogenous lactose fouled the electrospray ionization source affecting the analysis. We evaluated solid-phase extraction (SPE), liquid–solid extraction (LSE), protein precipitation (PPT), and liquid chromatography effluent diversion for lactose-removal. SPE failed to separate lactose from vitamins; LSE using 2-propanol reduced lactose and vitamin recoveries. PPT-solvent, milk volume, and reconstitution solvent influenced flavin adenine dinucleotide, pyridoxal and nicotinamide recoveries. Using an optimized LC-gradient enabled chromatographic separation of lactose from vitamins and its removal using a post-column switch-valve. Only 40 µL milk was subjected to methanol-PPT and non-polar matrix removal by methyl tert-butyl ether. B-vitamin recoveries were established (81.9–118.6%; CV ≤ 11.9%; precision: 4.9–13.7%) with greatly reduced matrix effects, and improved process efficiency, and recovery.
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Affiliation(s)
- Daniela Hampel
- USDA, ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA; Department of Nutrition, University of California, One Shields Ave, Davis, CA 95616, USA.
| | - Setareh Shahab-Ferdows
- USDA, ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA
| | - John W Newman
- USDA, ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA; Department of Nutrition, University of California, One Shields Ave, Davis, CA 95616, USA
| | - Lindsay H Allen
- USDA, ARS Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA; Department of Nutrition, University of California, One Shields Ave, Davis, CA 95616, USA
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Bermingham KM, Brennan L, Segurado R, Gray IJ, Barron RE, Gibney ER, Ryan MF, Gibney MJ, Newman JW, O'Sullivan DAM. Genetic and environmental influences on serum oxylipins, endocannabinoids, bile acids and steroids. Prostaglandins Leukot Essent Fatty Acids 2021; 173:102338. [PMID: 34500309 DOI: 10.1016/j.plefa.2021.102338] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 08/06/2021] [Accepted: 08/16/2021] [Indexed: 12/12/2022]
Abstract
Lipid bioactivity is a result of direct action and the action of lipid mediators including oxylipins, endocannabinoids, bile acids and steroids. Understanding the factors contributing to biological variation in lipid mediators may inform future approaches to understand and treat complex metabolic diseases. This research aims to determine the contribution of genetic and environmental influences on lipid mediators involved in the regulation of inflammation and energy metabolism. This study recruited 138 monozygotic (MZ) and dizygotic (DZ) twins aged 18-65 years and measured serum oxylipins, endocannabinoids, bile acids and steroids using liquid chromatography mass-spectrometry (LC-MS). In this classic twin design, the similarities and differences between MZ and DZ twins are modelled to estimate the contribution of genetic and environmental influences to variation in lipid mediators. Heritable lipid mediators included the 12-lipoxygenase products 12-hydroxyeicosatetraenoic acid [0.70 (95% CI: 0.12,0.82)], 12-hydroxyeicosatetraenoic acid [0.73 (95% CI: 0.30,0.83)] and 14‑hydroxy-docosahexaenoic acid [0.51 (95% CI: 0.07,0.71)], along with the endocannabinoid docosahexaenoy-lethanolamide [0.52 (95% CI: 0.15,0.72)]. For others such as 13-hydroxyoctadecatrienoic acid and lithocholic acid the contribution of environment to variation was stronger. With increased understanding of lipid mediator functions in health, it is important to understand the factors contributing to their variance. This study provides a comprehensive analysis of lipid mediators and extends pre-existing knowledge of the genetic and environmental influences on the human lipidome.
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MESH Headings
- 12-Hydroxy-5,8,10,14-eicosatetraenoic Acid/blood
- 12-Hydroxy-5,8,10,14-eicosatetraenoic Acid/genetics
- Adolescent
- Adult
- Aged
- Bile Acids and Salts/blood
- Bile Acids and Salts/genetics
- Dehydroepiandrosterone/blood
- Dehydroepiandrosterone/genetics
- Docosahexaenoic Acids/blood
- Docosahexaenoic Acids/genetics
- Eicosapentaenoic Acid/analogs & derivatives
- Eicosapentaenoic Acid/blood
- Eicosapentaenoic Acid/genetics
- Endocannabinoids/blood
- Endocannabinoids/genetics
- Fatty Acids, Omega-3/blood
- Fatty Acids, Omega-3/genetics
- Female
- Gene-Environment Interaction
- Humans
- Lipid Metabolism/genetics
- Male
- Middle Aged
- Oxylipins/blood
- Steroids/blood
- Twins, Dizygotic/genetics
- Twins, Monozygotic/genetics
- Young Adult
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Affiliation(s)
- K M Bermingham
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - L Brennan
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland; UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland
| | - R Segurado
- UCD School of Public Health, Physiotherapy and Sports Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - I J Gray
- Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA; West Coast Metabolomics Center, UC Davis Genome Center, University of California Davis, Davis, CA, USA
| | - R E Barron
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - E R Gibney
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - M F Ryan
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - M J Gibney
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - J W Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA; West Coast Metabolomics Center, UC Davis Genome Center, University of California Davis, Davis, CA, USA; Dept of Nutrition, University of California Davis, Davis, CA, USA
| | - Dr A M O'Sullivan
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
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Borkowski K, Pedersen TL, Seyfried NT, Lah JJ, Levey AI, Hales CM, Dammer EB, Blach C, Louie G, Kaddurah-Daouk R, Newman JW. Association of plasma and CSF cytochrome P450, soluble epoxide hydrolase, and ethanolamide metabolism with Alzheimer's disease. Alzheimers Res Ther 2021; 13:149. [PMID: 34488866 PMCID: PMC8422756 DOI: 10.1186/s13195-021-00893-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 08/25/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Alzheimer's disease, cardiovascular disease, and other cardiometabolic disorders may share inflammatory origins. Lipid mediators, including oxylipins, endocannabinoids, bile acids, and steroids, regulate inflammation, energy metabolism, and cell proliferation with well-established involvement in cardiometabolic diseases. However, their role in Alzheimer's disease is poorly understood. Here, we describe the analysis of plasma and cerebrospinal fluid lipid mediators in a case-control comparison of ~150 individuals with Alzheimer's disease and ~135 healthy controls, to investigate this knowledge gap. METHODS Lipid mediators were measured using targeted quantitative mass spectrometry. Data were analyzed using the analysis of covariates, adjusting for sex, age, and ethnicity. Partial least square discriminant analysis identified plasma and cerebrospinal fluid lipid mediator discriminates of Alzheimer's disease. Alzheimer's disease predictive models were constructed using machine learning combined with stepwise logistic regression. RESULTS In both plasma and cerebrospinal fluid, individuals with Alzheimer's disease had elevated cytochrome P450/soluble epoxide hydrolase pathway components and decreased fatty acid ethanolamides compared to healthy controls. Circulating metabolites of soluble epoxide hydrolase and ethanolamides provide Alzheimer's disease predictors with areas under receiver operator characteristic curves ranging from 0.82 to 0.92 for cerebrospinal fluid and plasma metabolites, respectively. CONCLUSIONS Previous studies report Alzheimer's disease-associated soluble epoxide hydrolase upregulation in the brain and that endocannabinoid metabolism provides an adaptive response to neuroinflammation. This study supports the involvement of P450-dependent and endocannabinoid metabolism in Alzheimer's disease. The results further suggest that combined pharmacological intervention targeting both metabolic pathways may have therapeutic benefits for Alzheimer's disease.
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Affiliation(s)
- Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, 95616, USA.
| | - Theresa L Pedersen
- Department of Food Science and Technology, University of California - Davis, Davis, CA, 95616, USA
| | - Nicholas T Seyfried
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - James J Lah
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Allan I Levey
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Chadwick M Hales
- Department of Neurology, Emory University, Atlanta, GA, 30329, USA
| | - Eric B Dammer
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Colette Blach
- Duke Molecular Physiology Institute, Duke University, Durham, NC, 27708, USA
| | - Gregory Louie
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, 27708, 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
| | - John W Newman
- West Coast Metabolomics Center, Genome Center, 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
- Department of Nutrition, University of California - Davis, Davis, CA, 95616, USA
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Mazi TA, Borkowski K, Newman JW, Fiehn O, Bowlus CL, Sarkar S, Matsukuma K, Ali MR, Kieffer DA, Wan YJY, Stanhope KL, Havel PJ, Medici V. Ethnicity-specific alterations of plasma and hepatic lipidomic profiles are related to high NAFLD rate and severity in Hispanic Americans, a pilot study. Free Radic Biol Med 2021; 172:490-502. [PMID: 34182070 PMCID: PMC8712226 DOI: 10.1016/j.freeradbiomed.2021.06.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/19/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a progressive condition that includes steatosis (NAFL) and nonalcoholic steatohepatitis (NASH). In the U.S., Hispanics (HIS) are afflicted with NAFLD at a higher rate and severity compared to other ethnicities. To date, the mechanisms underlying this disparity have not been elucidated. In this pilot study, we compared untargeted plasma metabolomic profiles for primary metabolism, complex lipids, choline and related compounds between a group of HIS (n = 7) and White Caucasian (CAU, n = 8) subjects with obesity and biopsy-characterized NAFL to ethnicity-matched lean healthy controls (n = 14 HIS and 8 CAU). We also compared liver and plasma metabolomic profiles in a group of HIS and CAU subjects with obesity and NASH of comparable NAFLD Activity Scores, to BMI-matched NASH-free subjects in both ethnicities. Results highlight signs of metabolic dysregulation observed in HIS, independent of obesity, including higher plasma triglycerides, acylcarnitines, and free fatty acids. With NASH progression, there were ethnicity-related differences in the hepatic profile, including higher free fatty acids and lysophospholipids seen in HIS, suggesting lipotoxicity is involved in the progression of NASH. We also observed greater hepatic triglyceride content, higher plasma triglyceride concentrations and lower hepatic phospholipids with signs of impaired hepatic mitochondrial β-oxidation. These findings provide preliminary evidence indicating ethnicity-related variations that could potentially modulate the risk for progression of NALD to NASH.
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Affiliation(s)
- Tagreed A Mazi
- Department of Nutrition, University of California Davis, 3135 Meyer Hall, One Shields Avenue, Davis, CA, 95616, USA; Department of Community Health Sciences-Clinical Nutrition, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia.
| | - Kamil Borkowski
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, 95616, USA
| | - John W Newman
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, 95616, USA; United States Department of Agriculture-Agriculture Research Service-Western Human Nutrition Research Center, Davis, CA, 95616, USA; Department of Nutrition, University of California-Davis, Davis, CA, 95616, USA
| | - Oliver Fiehn
- West Coast Metabolomic Center, Genome Center, University of California-Davis, Davis, CA, 95616, USA
| | - Christopher L Bowlus
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, 4150 V Street, Suite 3500 Sacramento, CA, 95817, USA
| | - Souvik Sarkar
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, 4150 V Street, Suite 3500 Sacramento, CA, 95817, USA
| | - Karen Matsukuma
- Department of Pathology and Laboratory Medicine, University of California-Davis, Sacramento, CA, 95817, USA
| | - Mohamed R Ali
- Department of Surgery, University of California, Davis, 2221 Stockton Boulevard, Cypress Building, Sacramento, CA, 95817, USA
| | - Dorothy A Kieffer
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, 4150 V Street, Suite 3500 Sacramento, CA, 95817, USA
| | - Yu-Jui Y Wan
- Department of Pathology and Laboratory Medicine, University of California-Davis, Sacramento, CA, 95817, USA
| | - Kimber L Stanhope
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, 95616, USA
| | - Peter J Havel
- Department of Nutrition, University of California-Davis, Davis, CA, 95616, USA; Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, 95616, USA
| | - Valentina Medici
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, 4150 V Street, Suite 3500 Sacramento, CA, 95817, USA.
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Wright DN, Katundu KGH, Viscarra JA, Crocker DE, Newman JW, La Frano MR, Ortiz RM. Oxylipin Responses to Fasting and Insulin Infusion in a Large Mammalian Model of Fasting-Induced Insulin Resistance, the Northern Elephant Seal. Am J Physiol Regul Integr Comp Physiol 2021; 321:R537-R546. [PMID: 34346724 DOI: 10.1152/ajpregu.00016.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The prolonged, post-weaning fast of northern elephant seal (Mirounga angustirostris) pups is characterized by a reliance on lipid metabolism and reversible, fasting-induced insulin resistance providing a unique model to examine the effects of insulin on lipid metabolism. We have previously shown that acute insulin infusion induced a shift in fatty acid metabolism dependent on fasting duration. This study complements the previous study by examining the effects of fasting duration and insulin infusion on circulating levels of oxylipins, bioactive metabolites derived from the oxygenation of polyunsaturated fatty acids. Northern elephant seal pups were studied at two post-weaning periods (n = 5/period): early fasting (1-2 weeks post-weaning; 127 ± 1 kg) and late fasting (6-7 weeks post-weaning; 93 ± 4 kg). Different cohorts of pups were weighed, sedated, and infused with 65 mU/kg of insulin. Plasma was collected prior to infusion (T0), and at 10, 30, 60, and 120 min post-infusion. A profile of ~80 oxylipins were analyzed by UPLC-ESI-MS/MS. Nine oxylipins changed between early and late fasting and eight were altered in response to insulin infusion. Fasting decreased PGF2a and increased 14,15-DiHETrE, 20-HETE, and 4-HDoHE (p<0.03) in T0 samples, while insulin infusion resulted in an inverse change in area under the curve (AUC) levels in these same metabolites (p<0.05). In addition, 12-HpETE and 12-HETE decreased with fasting and insulin infusion, respectively (p<0.04). The oxylipins altered during fasting and in response to insulin infusion may contribute to the manifestation of insulin resistance and participate in the metabolic regulation of associated cellular processes.
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Affiliation(s)
- Dana N Wright
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, United States
| | - Kondwani G H Katundu
- Division of Physiology, Biomedical Sciences Department, College of Medicine, University of Malawi, Blantyre, Southern Region, Malawi
| | - Jose A Viscarra
- Department of Molecular and Cell Biology, School of Natural Sciences, University of California, Merced, United States
| | - Daniel E Crocker
- Department of Biology, Sonoma State University, Rohnert Park, CA, United States
| | - John W Newman
- Obesity and Metabolism Research Unit, USDA-Agricultural Research Service Western Human Nutrition Research Center, University of California, Davis, Davis, CA, United States.,NIH West Coast Metabolomics Center, University of California, Davis, Davis, CA, United States.,Department of Nutrition, University of California, Davis, CA, United States
| | - Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, United States.,Center for Health Research, California Polytechnic State University, San Luis Obispo, CA, United States.,Cal Poly Metabolomics Service Center, California Polytechnic State University, San Luis Obispo, CA, United States
| | - Rudy M Ortiz
- Department of Molecular and Cell Biology, School of Natural Sciences, University of California, Merced, United States
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Artegoitia VM, Krishnan S, Bonnel EL, Stephensen CB, Keim NL, Newman JW. Healthy eating index patterns in adults by sex and age predict cardiometabolic risk factors in a cross-sectional study. BMC Nutr 2021; 7:30. [PMID: 34154665 PMCID: PMC8218401 DOI: 10.1186/s40795-021-00432-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 04/14/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Associations between diet and cardiometabolic disease (CMD) risk may vary in men and women owing to sex differences in eating habits and physiology. The current secondary analysis sought to determine the ability of sex differences in dietary patterns to discriminate groups with or without CMD risk factors (CMDrf) in the adult population and if this was influenced by age. METHODS Diet patterns and quality were evaluated using 24 h recall-based Healthy Eating Index (HEI-2015) in free-living apparently healthy men (n = 184) and women (n = 209) 18-65 y of age with BMIs of 18-44 kg/m2. Participants were stratified into low- and high-CMDrf groups based on the presence/absence of at least one CMDrf: BMI > 25 kg/m2; fasting triglycerides > 150 mg/dL; HDL cholesterol < 50 mg/dL-women or < 40 mg/dL-men; HOMA > 2; HbA1c > 5.7. Sex by age dietary patterns were stratified by multivariate analyses, with metabolic variable associations established by stepwise discriminant analysis. RESULTS Diet quality increased with age in both sexes (P < 0.01), while women showed higher fruit, vegetable and saturated fat intake as a percentage of total energy (P < 0.05). The total-HEI score (i.e. diet quality) was lower in the high-CMDrf group (P = 0.01), however, diet quality parameters predicted CMDrf presence more accurately when separated by sex. Lower 'total vegetable' intake in the high-CMDrf group in both sexes, while high-CMDrf men also had lower 'total vegetables', 'greens and beans' intake, and high-CMDrf women had lower 'total fruits', 'whole-fruits', 'total vegetables', 'seafood and plant-proteins', 'fatty acids', and 'saturated fats' intakes (P < 0.05). Moreover, 'dairy' intake was higher in high-CMDrf women but not in men (sex by 'dairy' interaction P = 0.01). Sex by age diet pattern models predicted CMDrf with a 93 and 89% sensitivity and 84 and 92% specificity in women and men, respectively. CONCLUSIONS Sex and age differences in dietary patterns classified participants with and without accepted CMDrfs, supporting an association between specific diet components and CMD risk that differs by sex. Including sex specific dietary patterns into health assessments may provide targeted nutritional guidance to reduce the burden of cardiovascular disease. TRIAL REGISTRATION ClinicalTrials.gov : NCT02367287 . ClinicalTrials.gov : NCT02298725 .
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Affiliation(s)
- Virginia M Artegoitia
- Obesity and Metabolism Research Unit, United States Department of Agriculture-Agricultural Research Services-Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
| | - Sridevi Krishnan
- Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Ellen L Bonnel
- Department of Nutrition, University of California Davis, Davis, CA, USA
- Human Studies Unit, United States Department of Agriculture-Agricultural Research Services-Western Human Nutrition Research Center, Davis, CA, USA
| | - Charles B Stephensen
- Department of Nutrition, University of California Davis, Davis, CA, USA
- Immunity and Disease Prevention Research Unit, United States Department of Agriculture-Agricultural Research Services-Western Human Nutrition Research Center, Davis, CA, USA
| | - Nancy L Keim
- Obesity and Metabolism Research Unit, United States Department of Agriculture-Agricultural Research Services-Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA
- Department of Nutrition, University of California Davis, Davis, CA, USA
| | - John W Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture-Agricultural Research Services-Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, 95616, USA.
- Department of Nutrition, University of California Davis, Davis, CA, USA.
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA, USA.
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Leslie E, Lopez V, Anti NAO, Alvarez R, Kafeero I, Welsh DG, Romero M, Kaushal S, Johnson CM, Bosviel R, Blaženović I, Song R, Brito A, Frano MRL, Zhang L, Newman JW, Fiehn O, Wilson SM. Gestational long-term hypoxia induces metabolomic reprogramming and phenotypic transformations in fetal sheep pulmonary arteries. Am J Physiol Lung Cell Mol Physiol 2021; 320:L770-L784. [PMID: 33624555 DOI: 10.1152/ajplung.00469.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Gestational long-term hypoxia increases the risk of myriad diseases in infants including persistent pulmonary hypertension. Similar to humans, fetal lamb lung development is susceptible to long-term intrauterine hypoxia, with structural and functional changes associated with the development of pulmonary hypertension including pulmonary arterial medial wall thickening and dysregulation of arterial reactivity, which culminates in decreased right ventricular output. To further explore the mechanisms associated with hypoxia-induced aberrations in the fetal sheep lung, we examined the premise that metabolomic changes and functional phenotypic transformations occur due to intrauterine, long-term hypoxia. To address this, we performed electron microscopy, Western immunoblotting, calcium imaging, and metabolomic analyses on pulmonary arteries isolated from near-term fetal lambs that had been exposed to low- or high-altitude (3,801 m) hypoxia for the latter 110+ days of gestation. Our results demonstrate that the sarcoplasmic reticulum was swollen with high luminal width and distances to the plasma membrane in the hypoxic group. Hypoxic animals were presented with higher endoplasmic reticulum stress and suppressed calcium storage. Metabolically, hypoxia was associated with lower levels of multiple omega-3 polyunsaturated fatty acids and derived lipid mediators (e.g., eicosapentaenoic acid, docosahexaenoic acid, α-linolenic acid, 5-hydroxyeicosapentaenoic acid (5-HEPE), 12-HEPE, 15-HEPE, prostaglandin E3, and 19(20)-epoxy docosapentaenoic acid) and higher levels of some omega-6 metabolites (P < 0.02) including 15-keto prostaglandin E2 and linoleoylglycerol. Collectively, the results reveal broad evidence for long-term hypoxia-induced metabolic reprogramming and phenotypic transformations in the pulmonary arteries of fetal sheep, conditions that likely contribute to the development of persistent pulmonary hypertension.
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Affiliation(s)
- Eric Leslie
- Department of Health, Exercise, and Sport Sciences, University of New Mexico, Albuquerque, New Mexico
| | - Vanessa Lopez
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Nana A O Anti
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Rafael Alvarez
- Center for Health Disparities and Molecular Mechanisms, Loma Linda University School of Medicine, Loma Linda, California
| | - Isaac Kafeero
- Center for Health Disparities and Molecular Mechanisms, Loma Linda University School of Medicine, Loma Linda, California
| | - Donald G Welsh
- Robarts Research Institute, Western University, London, Ontario, Canada
| | - Monica Romero
- Advanced Imaging and Microscopy Core, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Shawn Kaushal
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Catherine M Johnson
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, California
| | - Remy Bosviel
- NIH West Coast Metabolomics Center, Genome Center, University of California, Davis, California
| | - Ivana Blaženović
- NIH West Coast Metabolomics Center, Genome Center, University of California, Davis, California
| | - Rui Song
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Alex Brito
- Laboratory of Pharmacokinetics and Metabolomic Analysis, Institute of Translational Medicine and Biotechnology, I.M. Sechenov First Moscow State Medical University, Moscow, Russia.,World-Class Research Center "Digital biodesign and personalized healthcare," I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, California.,Center for Health Research, California Polytechnic State University, San Luis Obispo, California.,Cal Poly Metabolomics Service Center, California Polytechnic State University, San Luis Obispo, California
| | - Lubo Zhang
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - John W Newman
- NIH West Coast Metabolomics Center, Genome Center, University of California, Davis, California.,Department of Nutrition, University of California, Davis, California.,USDA-ARS Western Human Nutrition Research Center, Davis, California
| | - Oliver Fiehn
- NIH West Coast Metabolomics Center, Genome Center, University of California, Davis, California.,West Coast Metabolomics Center, University of California, Davis, California
| | - Sean M Wilson
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California.,Advanced Imaging and Microscopy Core, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
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Choi JE, Borkowski K, Newman JW, Park Y. N-3 PUFA improved post-menopausal depression induced by maternal separation and chronic mild stress through serotonergic pathway in rats-effect associated with lipid mediators. J Nutr Biochem 2021; 91:108599. [PMID: 33548474 DOI: 10.1016/j.jnutbio.2021.108599] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 11/26/2020] [Accepted: 12/30/2020] [Indexed: 12/19/2022]
Abstract
Early life maternal separation (MS) increases the vulnerability to depression in rats with chronic mild stress (CMS). N-3 polyunsaturated fatty acids (PUFA) improved depressive behaviors in rats with acute stress; however, their effects on rats with MS+CMS were not apparent. The purpose of the present study was to investigate the hypothesis that lifetime n-3 PUFA supplementation improves post-menopausal depression through the serotonergic and glutamatergic pathways while modulating n-3 PUFA-derived metabolites. Female rats were fed diets of either 0% n-3 PUFA during lifetime or 1% energy n-3 PUFA during pre-weaning, post-weaning, or lifetime periods. Rats were allocated to non-MS or MS groups and underwent CMS after ovariectomy. N-3 PUFA increased brain n-3 PUFA-derived endocannabinoid/oxylipin levels, and reversed depressive behaviors. N-3 PUFA decreased blood levels of adrenocorticotropic hormone and corticosterone, and brain expressions of corticotropin-releasing factor and miRNA-218, which increased the expression of the glucocorticoid receptor. N-3 PUFA decreased the expression of tumor necrosis factor-α, interleukin (IL)-6, IL-1β, and prostaglandin E2, while increased the expression of miRNA-155. N-3 PUFA also increased brainstem serotonin levels and hippocampal expression of the serotonin-1A receptor, cAMP response element-binding protein (CREB), phospho-CREB, and brain-derived neurotrophic factor. However, n-3 PUFA did not affect brain expression of α-amino-3-hydroxy-5-methyl-4-isoxazole propionate receptor subtype 1, N-methyl-D-aspartate receptor subtype 2B, or miRNA-132. Moreover, n-3 PUFA exposure during lifetime caused greater effects than pre- and post-weaning periods. The present study suggested that n-3 PUFA improved depressive behaviors through serotonergic pathway while modulating the metabolites of n-3 PUFA in post-menopausal depressed rats with chronic stress.
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Affiliation(s)
- Jeong-Eun Choi
- Department of Food and Nutrition, Hanyang University, Seoul, South Korea
| | - Kamil Borkowski
- UC Davis Genome Center, University of California - Davis, Davis, California 95616, USA
| | - John W Newman
- UC Davis Genome Center, University of California - Davis, Davis, California 95616, USA; Department of Nutrition, University of California - Davis, Davis, California 95616, USA; Western Human Nutrition Research Center, Agricultural Research Service, United States Department of Agriculture, Davis, California, USA
| | - Yongsoon Park
- Department of Food and Nutrition, Hanyang University, Seoul, South Korea.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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McClain KM, Moore SC, Sampson JN, Henderson TR, Gebauer SK, Newman JW, Ross S, Pedersen TL, Baer DJ, Zanetti KA. Preanalytical Sample Handling Conditions and Their Effects on the Human Serum Metabolome in Epidemiologic Studies. Am J Epidemiol 2021; 190:459-467. [PMID: 32959873 DOI: 10.1093/aje/kwaa202] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 09/10/2020] [Accepted: 09/16/2020] [Indexed: 11/13/2022] Open
Abstract
Many epidemiologic studies use metabolomics for discovery-based research. The degree to which sample handling may influence findings, however, is poorly understood. In 2016, serum samples from 13 volunteers from the US Department of Agriculture's Beltsville Human Nutrition Research Center were subjected to different clotting (30 minutes/120 minutes) and refrigeration (0 minutes/24 hours) conditions, as well as different numbers (0/1/4) and temperatures (ice/refrigerator/room temperature) of thaws. The median absolute percent difference (APD) between metabolite levels and correlations between levels across conditions were estimated for 628 metabolites. The potential for handling artifacts to induce false-positive associations was estimated using variable hypothetical scenarios in which 1%-100% of case samples had different handling than control samples. All handling conditions influenced metabolite levels. Across metabolites, the median APD when extending clotting time was 9.08%. When increasing the number of thaws from 0 to 4, the median APD was 10.05% for ice and 5.54% for room temperature. Metabolite levels were correlated highly across conditions (all r's ≥ 0.84), indicating that relative ranks were preserved. However, if handling varied even modestly by case status, our hypotheticals showed that results can be biased and can result in false-positive findings. Sample handling affects levels of metabolites, and special care should be taken to minimize effects. Shorter room-temperature thaws should be preferred over longer ice thaws, and handling should be meticulously matched by case status.
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Pedersen TL, Gray IJ, Newman JW. Plasma and serum oxylipin, endocannabinoid, bile acid, steroid, fatty acid and nonsteroidal anti-inflammatory drug quantification in a 96-well plate format. Anal Chim Acta 2021; 1143:189-200. [PMID: 33384117 DOI: 10.1016/j.aca.2020.11.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/10/2020] [Accepted: 11/17/2020] [Indexed: 12/22/2022]
Abstract
The goal of this research was to develop a high-throughput, cost-effective method for metabolic profiling of lipid mediators and hormones involved in the regulation of inflammation and energy metabolism, along with polyunsaturated fatty acids and common over-the-counter non-steroidal anti-inflammatory drugs (NSAIDs). We describe a 96-well plate protein precipitation and filtration procedure for 50 μL of plasma or serum in the presence of 37 deuterated analogs and 2 instrument internal standards. Data is acquired in two back-to-back UPLC-MS/MS analyses using electrospray ionization with positive/negative switching and scheduled multiple reaction monitoring for the determination of 145 compounds, including oxylipins, endocannabinoids and like compounds, bile acids, glucocorticoids, sex steroids, polyunsaturated fatty acids, and 3 NSAIDs. Intra- and inter-batch variability was <25% for >70% of metabolites above the LOQ in both matrices, but higher inter-batch variability was observed for serum oxylipins and some bile acids. Results for NIST Standard Reference Material 1950, compared favorably with the 20 certified metabolite values covered by this assay, and we provide new data for oxylipins, N-acylethanolamides, glucocorticoids, and 17-hydroxy-progesterone in this material. Application to two independent cohorts of elderly men and women showed the routine detection of 86 metabolites, identified fasting state influences on essential fatty acid-derived oxylipins, N-acylethanolamides and conjugated bile acids, identified rare presence of high and low testosterone levels and the presence of NSAIDs in ∼10% of these populations. The described method appears valuable for investigations in large cohort studies to provide insight into metabolic cross-talk between the array of mediators assessed here.
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Affiliation(s)
- Theresa L Pedersen
- Dept of Food Science and Technology, University of California at Davis, Davis, CA, USA
| | - Ira J Gray
- Obesity and Metabolism Research Unit, United States Department of Agriculture - Agricultural Research Service - Western Human Nutrition Research Center, Davis, CA, USA; West Coast Metabolomics Center, UC Davis Genome Center, University of California Davis, Davis, CA, USA
| | - John W Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture - Agricultural Research Service - Western Human Nutrition Research Center, Davis, CA, USA; West Coast Metabolomics Center, UC Davis Genome Center, University of California Davis, Davis, CA, USA; Dept of Nutrition, University of California Davis, Davis, CA, USA.
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Dhillon J, Viscarra JA, Newman JW, Fiehn O, Crocker DE, Ortiz RM. Exogenous GLP-1 stimulates TCA cycle and suppresses gluconeogenesis and ketogenesis in late-fasted northern elephant seals pups. Am J Physiol Regul Integr Comp Physiol 2021; 320:R393-R403. [PMID: 33407018 DOI: 10.1152/ajpregu.00211.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The postweaning fast of northern elephant seal pups is characterized by a lipid-dependent metabolism and associated with a decrease in plasma glucagon-like peptide-1 (GLP-1), insulin, and glucose and increased gluconeogenesis (GNG) and ketogenesis. We have also demonstrated that exogenous GLP-1 infusion increased plasma insulin despite simultaneous increases in cortisol and glucagon, which collectively present contradictory regulatory stimuli of GNG, ketogenesis, and glycolysis. To assess the effects of GLP-1 on metabolism using primary carbon metabolite profiles in late-fasted seal pups, we dose-dependently infused late-fasted seals with low (LDG; 10 pM/kg; n = 3) or high (HDG; 100 pM/kg; n = 4) GLP-1 immediately following a glucose bolus (0.5 g/kg), using glucose without GLP-1 as control (n = 5). Infusions were performed in similarly aged animals 6-8 wk into their postweaning fast. The plasma metabolome was measured from samples collected at five time points just prior to and during the infusions, and network maps constructed to robustly evaluate the effects of GLP-1 on primary carbon metabolism. HDG increased key tricarboxylic acid (TCA) cycle metabolites, and decreased phosphoenolpyruvate and acetoacetate (P < 0.05) suggesting that elevated levels of GLP-1 promote glycolysis and suppress GNG and ketogenesis, which collectively increase glucose clearance. These GLP-1-mediated effects on cellular metabolism help to explain why plasma GLP-1 concentrations decrease naturally in fasting pups as an evolved mechanism to help conserve glucose during the late-fasting period.
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Affiliation(s)
- Jaapna Dhillon
- Department of Molecular & Cell Biology, School of Natural Sciences, University of California, Merced, California.,Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, Missouri
| | - Jose A Viscarra
- Department of Molecular & Cell Biology, School of Natural Sciences, University of California, Merced, California.,Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California
| | - John W Newman
- Obesity and Metabolism Research Unit, USDA Agricultural Research Service Western Human Nutrition Research Center, University of California, Davis, California.,NIH West Coast Metabolomics Center, University of California, Davis, California
| | - Oliver Fiehn
- NIH West Coast Metabolomics Center, University of California, Davis, California
| | - Daniel E Crocker
- Department of Biology, Sonoma State University, Rohnert Park, California
| | - Rudy M Ortiz
- Department of Molecular & Cell Biology, School of Natural Sciences, University of California, Merced, California
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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] [What about the content of this article? (0)] [Affiliation(s)] [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] [What about the content of this article? (0)] [Affiliation(s)] [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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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Mainka M, Dalle C, Pétéra M, Dalloux-Chioccioli J, Kampschulte N, Ostermann AI, Rothe M, Bertrand-Michel J, Newman JW, Gladine C, Schebb NH. Harmonized procedures lead to comparable quantification of total oxylipins across laboratories. J Lipid Res 2020; 61:1424-1436. [PMID: 32848050 DOI: 10.1194/jlr.ra120000991] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Oxylipins are potent lipid mediators involved in a variety of physiological processes. Their profiling has the potential to provide a wealth of information regarding human health and disease and is a promising technology for translation into clinical applications. However, results generated by independent groups are rarely comparable, which increases the need for the implementation of internationally agreed upon protocols. We performed an interlaboratory comparison for the MS-based quantitative analysis of total oxylipins. Five independent laboratories assessed the technical variability and comparability of 133 oxylipins using a harmonized and standardized protocol, common biological materials (i.e., seven quality control plasmas), standard calibration series, and analytical methods. The quantitative analysis was based on a standard calibration series with isotopically labeled internal standards. Using the standardized protocol, the technical variance was within ±15% for 73% of oxylipins; however, most epoxy fatty acids were identified as critical analytes due to high variabilities in concentrations. The comparability of concentrations determined by the laboratories was examined using consensus value estimates and unsupervised/supervised multivariate analysis (i.e., principal component analysis and partial least squares discriminant analysis). Interlaboratory variability was limited and did not interfere with our ability to distinguish the different plasmas. Moreover, all laboratories were able to identify similar differences between plasmas. In summary, we show that by using a standardized protocol for sample preparation, low technical variability can be achieved. Harmonization of all oxylipin extraction and analysis steps led to reliable, reproducible, and comparable oxylipin concentrations in independent laboratories, allowing the generation of biologically meaningful oxylipin patterns.
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Affiliation(s)
- Malwina Mainka
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Céline Dalle
- Université Clermont Auvergne, INRAe, UNH, Clermont-Ferrand, France
| | - Mélanie Pétéra
- Université Clermont Auvergne, INRAe, UNH, Plateforme d'Exploration du Métabolisme, MetaboHUB Clermont, Clermont-Ferrand, France
| | - Jessica Dalloux-Chioccioli
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, Toulouse, France
| | - Nadja Kampschulte
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Annika I Ostermann
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | | | - Justine Bertrand-Michel
- MetaToul, MetaboHUB, Inserm/UPS UMR 1048-I2MC, Institut des Maladies Métaboliques et Cardiovasculaires, Toulouse, France
| | - John W Newman
- Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA.,University of California Davis Genome Center, University of California, Davis, Davis, CA, USA.,Department of Nutrition, University of California, Davis, Davis, CA, USA
| | - Cécile Gladine
- Université Clermont Auvergne, INRAe, UNH, Clermont-Ferrand, France
| | - Nils Helge Schebb
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
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48
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La Frano MR, Brito A, Johnson CM, Wilhelmson B, Gannon B, Fanter RK, Pedersen TL, Tanumihardjo SA, Newman JW. Metabolomics Reveals Altered Hepatic Bile Acids, Gut Microbiome Metabolites, and Cell Membrane Lipids Associated with Marginal Vitamin A Deficiency in a Mongolian Gerbil Model. Mol Nutr Food Res 2020; 64:e1901319. [PMID: 32453876 DOI: 10.1002/mnfr.201901319] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 05/19/2020] [Indexed: 12/17/2022]
Abstract
SCOPE This study is designed to provide a broad evaluation of the impacts of vitamin A (VA) deficiency on hepatic metabolism in a gerbil model. METHODS AND RESULTS After 28 days of VA depletion, male Mongolian gerbils (Meriones unguiculatus) are randomly assigned to experimental diets for 28 days. Groups are fed a white-maize-based diet with ≈50 µL cottonseed oil vehicle either alone (VA-, n = 10) or containing 40 µg retinyl acetate (VA+, n = 10) for 28 days. Liver retinol is measured by high-performance liquid chromatography. Primary metabolomics, aminomics, lipidomics, bile acids, oxylipins, ceramides, and endocannabinoids are analyzed in post-mortem liver samples by liquid chromatography-mass spectrometry. RESULTS Liver retinol is lower (p < 0.001) in the VA- versus VA+ group, with concentrations indicating marginal VA deficiency. A total of 300 metabolites are identified. Marginal VA deficiency is associated with lower bile acids, trimethylamine N-oxide, and a variety of acylcarnitines, phospholipids and sphingomyelins (p < 0.05). Components of DNA, including deoxyguanosine, cytidine, and N-carbomoyl-beta-alanine (p < 0.05), are differentially altered. CONCLUSIONS Hepatic metabolomics in a marginally VA-deficient gerbil model revealed alterations in markers of the gut microbiome, fatty acid and nucleotide metabolism, and cellular structure and signaling.
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Affiliation(s)
- Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA.,Center for Health Research, California Polytechnic State University, San Luis Obispo, CA, 93407, USA.,West Coast Metabolomics Center, University of California, Davis, CA, USA.,Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Alex Brito
- Laboratory of Pharmacokinetics and Metabolomic Analysis, Institute of Translational Medicine and Biotechnology, I. M. Sechenov First Moscow State Medical University, Moscow, 119991, Russia.,Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen, 1445, Luxembourg
| | - Catherine M Johnson
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA
| | - Baylee Wilhelmson
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA
| | - Bryan Gannon
- University of Wisconsin-Madison, Department of Nutritional Sciences, Madison, WI, USA.,Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
| | - Rob K Fanter
- College of Agriculture, Food and Environmental Sciences, California Polytechnic State University, San Luis Obispo, CA, USA
| | - Theresa L Pedersen
- Department of Food Science and Technology, University of California Davis, Davis, CA, USA
| | - Sherry A Tanumihardjo
- University of Wisconsin-Madison, Department of Nutritional Sciences, Madison, WI, USA
| | - John W Newman
- West Coast Metabolomics Center, University of California, Davis, CA, USA.,Department of Nutrition, University of California Davis, Davis, CA, USA.,Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA
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49
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Leslie E, Jones B, Alvarez R, Dasgupta C, Fiehn O, Bosviel R, Newman JW, La Frano M, Zhang L, Wilson SM. Gestational High‐Altitude Hypoxia and Metabolomic Reprogramming in Pulmonary Arteries from Fetal Sheep. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.03778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | - Lubo Zhang
- Loma Linda University School of Medicine
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50
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Fan R, Kim J, You M, Giraud D, Toney AM, Shin SH, Kim SY, Borkowski K, Newman JW, Chung S. α-Linolenic acid-enriched butter attenuated high fat diet-induced insulin resistance and inflammation by promoting bioconversion of n-3 PUFA and subsequent oxylipin formation. J Nutr Biochem 2020; 76:108285. [PMID: 31760228 PMCID: PMC6995772 DOI: 10.1016/j.jnutbio.2019.108285] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 09/01/2019] [Accepted: 11/04/2019] [Indexed: 12/18/2022]
Abstract
α-Linolenic acid (ALA) is an essential fatty acid and the precursor for long-chain n-3 PUFA. However, biosynthesis of n-3 PUFA is limited in a Western diet likely due to an overabundance of n-6 PUFA. We hypothesized that dietary reduction of n-6/n-3 PUFA ratio is sufficient to promote the biosynthesis of long-chain n-3 PUFA, leading to an attenuation of high fat (HF) diet-induced obesity and inflammation. C57BL/6 J mice were fed a HF diet from ALA-enriched butter (n3Bu, n-6/n-3=1) in comparison with isocaloric HF diets from either conventional butter lacking both ALA and LA (Bu, n-6/n-3=6), or margarine containing a similar amount of ALA and abundant LA (Ma, n-6/n-3=6). Targeted lipidomic analyses revealed that n3Bu feeding promoted the bioconversion of long-chain n-3 PUFA and their oxygenated metabolites (oxylipins) derived from ALA and EPA. The n3Bu supplementation attenuated hepatic TG accumulation and adipose tissue inflammation, resulting in improved insulin sensitivity. Decreased inflammation by n3Bu feeding was attributed to the suppression of NF-κB activation and M1 macrophage polarization. Collectively, our work suggests that dietary reduction of the n-6/n-3 PUFA ratio, as well as total n-3 PUFA consumed, is a crucial determinant that facilitates n-3 PUFA biosynthesis and subsequent lipidomic modifications, thereby conferring metabolic benefits against obesity-induced inflammation and insulin resistance.
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Affiliation(s)
- Rong Fan
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE
| | - Judy Kim
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE
| | - Mikyoung You
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE
| | - David Giraud
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE
| | - Ashley M Toney
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE
| | - Seung-Ho Shin
- Sunseo Omega Inc, University of Nebraska Innovation Campus, Lincoln, NE
| | - So-Youn Kim
- Olson Center for Women's Health, Department of Obstetrics and Gynecology, and Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE
| | - Kamil Borkowski
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA
| | - John W Newman
- West Coast Metabolomics Center, Genome Center, University of California Davis, Davis, CA; Obesity and Metabolism Research Unit, USDA-ARS-WHNRC, Davis, CA
| | - Soonkyu Chung
- Department of Nutrition and Health Sciences, University of Nebraska, Lincoln, NE.
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