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Zarei I, Eloranta AM, Klåvus A, Väistö J, Lehtonen M, Mikkonen S, Koistinen VM, Sallinen T, Haapala EA, Lintu N, Soininen S, Haikonen R, Atalay M, Schwab U, Auriola S, Kolehmainen M, Hanhineva K, Lakka TA. Eight-year diet and physical activity intervention affects serum metabolites during childhood and adolescence: A nonrandomized controlled trial. iScience 2024; 27:110295. [PMID: 39055945 PMCID: PMC11269805 DOI: 10.1016/j.isci.2024.110295] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 04/16/2024] [Accepted: 06/14/2024] [Indexed: 07/28/2024] Open
Abstract
Long-term lifestyle interventions in childhood and adolescence can significantly improve cardiometabolic health, but the underlying molecular mechanisms remain poorly understood. To address this knowledge gap, we conducted an 8-year diet and physical activity intervention in a general population of children. The research revealed that the intervention influenced 80 serum metabolites over two years, with 17 metabolites continuing to be affected after eight years. The intervention primarily impacted fatty amides, including palmitic amide, linoleamide, oleamide, and others, as well as unsaturated fatty acids, acylcarnitines, phospholipids, sterols, gut microbiota-derived metabolites, amino acids, and purine metabolites. Particularly noteworthy were the pronounced changes in serum fatty amides. These serum metabolite alterations could represent molecular mechanisms responsible for the observed benefits of long-term lifestyle interventions on cardiometabolic and overall health since childhood. Understanding these metabolic changes may provide valuable insights into the prevention of cardiometabolic and other non-communicable diseases since childhood.
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Affiliation(s)
- Iman Zarei
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Aino-Maija Eloranta
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Department of Medicine, Endocrinology and Clinical Nutrition, Kuopio University Hospital, Kuopio, Finland
| | - Anton Klåvus
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Juuso Väistö
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Marko Lehtonen
- School of Pharmacy, Faculty of Health Science, University of Eastern Finland, Kuopio, Finland
- LC-MS Metabolomics Center, Biocenter Kuopio, Kuopio, Finland
| | - Santtu Mikkonen
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Ville M. Koistinen
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Food Chemistry and Food Development Unit, Department of Biochemistry, University of Turku, Turku, Finland
| | - Taisa Sallinen
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Eero A. Haapala
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Niina Lintu
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Sonja Soininen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Physician and Nursing Services, Health and Social Services Centre, Wellbeing Services County of North Savo, Varkaus, Finland
| | - Retu Haikonen
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Mustafa Atalay
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Ursula Schwab
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Department of Medicine, Endocrinology and Clinical Nutrition, Kuopio University Hospital, Kuopio, Finland
| | - Seppo Auriola
- School of Pharmacy, Faculty of Health Science, University of Eastern Finland, Kuopio, Finland
| | - Marjukka Kolehmainen
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Kati Hanhineva
- Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Food Chemistry and Food Development Unit, Department of Biochemistry, University of Turku, Turku, Finland
| | - Timo A. Lakka
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland
- Kuopio Research Institute of Exercise Medicine, Kuopio, Finland
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Gómez-Pascual A, Naccache T, Xu J, Hooshmand K, Wretlind A, Gabrielli M, Lombardo MT, Shi L, Buckley NJ, Tijms BM, Vos SJB, Ten Kate M, Engelborghs S, Sleegers K, Frisoni GB, Wallin A, Lleó A, Popp J, Martinez-Lage P, Streffer J, Barkhof F, Zetterberg H, Visser PJ, Lovestone S, Bertram L, Nevado-Holgado AJ, Gualerzi A, Picciolini S, Proitsi P, Verderio C, Botía JA, Legido-Quigley C. Paired plasma lipidomics and proteomics analysis in the conversion from mild cognitive impairment to Alzheimer's disease. Comput Biol Med 2024; 176:108588. [PMID: 38761503 DOI: 10.1016/j.compbiomed.2024.108588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurodegenerative condition for which there is currently no available medication that can stop its progression. Previous studies suggest that mild cognitive impairment (MCI) is a phase that precedes the disease. Therefore, a better understanding of the molecular mechanisms behind MCI conversion to AD is needed. METHOD Here, we propose a machine learning-based approach to detect the key metabolites and proteins involved in MCI progression to AD using data from the European Medical Information Framework for Alzheimer's Disease Multimodal Biomarker Discovery Study. Proteins and metabolites were evaluated separately in multiclass models (controls, MCI and AD) and together in MCI conversion models (MCI stable vs converter). Only features selected as relevant by 3/4 algorithms proposed were kept for downstream analysis. RESULTS Multiclass models of metabolites highlighted nine features further validated in an independent cohort (0.726 mean balanced accuracy). Among these features, one metabolite, oleamide, was selected by all the algorithms. Further in-vitro experiments in rodents showed that disease-associated microglia excreted oleamide in vesicles. Multiclass models of proteins stood out with nine features, validated in an independent cohort (0.720 mean balanced accuracy). However, none of the proteins was selected by all the algorithms. Besides, to distinguish between MCI stable and converters, 14 key features were selected (0.872 AUC), including tTau, alpha-synuclein (SNCA), junctophilin-3 (JPH3), properdin (CFP) and peptidase inhibitor 15 (PI15) among others. CONCLUSIONS This omics integration approach highlighted a set of molecules associated with MCI conversion important in neuronal and glia inflammation pathways.
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Affiliation(s)
- Alicia Gómez-Pascual
- Department of Information and Communications Engineering Faculty of Informatics, University of Murcia, Murcia, Spain; Steno Diabetes Center Copenhagen, Herlev, Denmark
| | - Talel Naccache
- Department of Data Science, City University of London, United Kingdom
| | - Jin Xu
- Institute of Pharmaceutical Science, King's College London, London, United Kingdom
| | | | | | | | - Marta Tiffany Lombardo
- CNR Institute of Neuroscience, 20854, Vedano al Lambro, Italy; School of Medicine and Surgery, University of Milano-Bicocca, 20126, Italy
| | - Liu Shi
- Novo Nordisk Research Centre Oxford (NNRCO), Oxford, United Kingdom
| | - Noel J Buckley
- Department of Psychiatry, University of Oxford, United Kingdom; Kavli Institute for Nanoscience Discovery, Denmark
| | - Betty M Tijms
- Alzheimer Center, VU University Medical Center, Amsterdam, the Netherlands
| | - Stephanie J B Vos
- Department of Psychiatry and Neuropsychology, Alzheimer Centrum Limburg, Maastricht University, Maastricht, the Netherlands
| | - Mara Ten Kate
- Alzheimer Center, VU University Medical Center, Amsterdam, the Netherlands
| | - Sebastiaan Engelborghs
- Reference Center for Biological Markers of Dementia (BIODEM), Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium; Department of Neurology and Bru-BRAIN, UZ Brussel and Center for Neurosciences (C4N), Vrije Universiteit Brussel, Brussels, Belgium
| | - Kristel Sleegers
- Complex Genetics Group, VIB Center for Molecular Neurology, VIB, Antwerp, Belgium; Institute Born-Bunge, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Giovanni B Frisoni
- University of Geneva, Geneva, Switzerland; IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Anders Wallin
- Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Alberto Lleó
- Neurology Department, Hospital Sant Pau, Barcelona, Spain, Centro de Investigación en Red en enfermedades neurodegenerativas (CIBERNED)
| | - Julius Popp
- Old age psychiatry, University Hospital of Lausanne, University of Lausanne, Switzerland; Department of Geriatric Psychiatry, University Hospital of Psychiatry Zürich, University of Zürich, Switzerland
| | | | - Johannes Streffer
- AC Immune SA, Lausanne, Switzerland, formerly Janssen R&D, LLC. Beerse, Belgium at the time of study conduct
| | - Frederik Barkhof
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, Vrije Universiteit, the Netherlands; Queen Square Institute of Neurology and Centre for Medical Image Computing, University College London, United Kingdom
| | - Henrik Zetterberg
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden; UK Dementia Research Institute at UCL, London, United Kingdom; Department of Neurodegenerative Disease, UCL Institute of Neurology, London, United Kingdom
| | - Pieter Jelle Visser
- Alzheimer Center, VU University Medical Center, Amsterdam, the Netherlands; Department of Psychiatry and Neuropsychology, Alzheimer Centrum Limburg, Maastricht University, Maastricht, the Netherlands
| | - Simon Lovestone
- Department of Psychiatry, University of Oxford, United Kingdom; Janssen Medical (UK), High Wycombe, United Kingdom
| | - Lars Bertram
- Lübeck Interdisciplinary Platform for Genome Analytics, University of Lübeck, Lübeck, Germany; Department of Psychology, University of Oslo, Oslo, Norway
| | | | - Alice Gualerzi
- IRCCS Fondazione Don Carlo Gnocchi ONLUS in Milan, Italy
| | | | - Petroula Proitsi
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | | | - Juan A Botía
- Department of Information and Communications Engineering Faculty of Informatics, University of Murcia, Murcia, Spain
| | - Cristina Legido-Quigley
- Steno Diabetes Center Copenhagen, Herlev, Denmark; Institute of Pharmaceutical Science, King's College London, London, United Kingdom.
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3
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Oka T, Matsuzawa Y, Tsuneyoshi M, Nakamura Y, Aoshima K, Tsugawa H. Multiomics analysis to explore blood metabolite biomarkers in an Alzheimer's Disease Neuroimaging Initiative cohort. Sci Rep 2024; 14:6797. [PMID: 38565541 PMCID: PMC10987653 DOI: 10.1038/s41598-024-56837-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 03/12/2024] [Indexed: 04/04/2024] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that commonly causes dementia. Identifying biomarkers for the early detection of AD is an emerging need, as brain dysfunction begins two decades before the onset of clinical symptoms. To this end, we reanalyzed untargeted metabolomic mass spectrometry data from 905 patients enrolled in the AD Neuroimaging Initiative (ADNI) cohort using MS-DIAL, with 1,304,633 spectra of 39,108 unique biomolecules. Metabolic profiles of 93 hydrophilic metabolites were determined. Additionally, we integrated targeted lipidomic data (4873 samples from 1524 patients) to explore candidate biomarkers for predicting progressive mild cognitive impairment (pMCI) in patients diagnosed with AD within two years using the baseline metabolome. Patients with lower ergothioneine levels had a 12% higher rate of AD progression with the significance of P = 0.012 (Wald test). Furthermore, an increase in ganglioside (GM3) and decrease in plasmalogen lipids, many of which are associated with apolipoprotein E polymorphism, were confirmed in AD patients, and the higher levels of lysophosphatidylcholine (18:1) and GM3 d18:1/20:0 showed 19% and 17% higher rates of AD progression, respectively (Wald test: P = 3.9 × 10-8 and 4.3 × 10-7). Palmitoleamide, oleamide, diacylglycerols, and ether lipids were also identified as significantly altered metabolites at baseline in patients with pMCI. The integrated analysis of metabolites and genomics data showed that combining information on metabolites and genotypes enhances the predictive performance of AD progression, suggesting that metabolomics is essential to complement genomic data. In conclusion, the reanalysis of multiomics data provides new insights to detect early development of AD pathology and to partially understand metabolic changes in age-related onset of AD.
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Affiliation(s)
- Takaki Oka
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yuki Matsuzawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Momoka Tsuneyoshi
- Human Biology Integration Foundation, Eisai Co., Ltd., Ibaraki, Japan
| | | | - Ken Aoshima
- Microbes & Host Defense Domain, Eisai Co., Ltd., Ibaraki, Japan
- School of Integrative and Global Majors, University of Tsukuba, Ibaraki, Japan
| | - Hiroshi Tsugawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan.
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
- Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan.
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4
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Schirmer M, Stražar M, Avila-Pacheco J, Rojas-Tapias DF, Brown EM, Temple E, Deik A, Bullock K, Jeanfavre S, Pierce K, Jin S, Invernizzi R, Pust MM, Costliow Z, Mack DR, Griffiths AM, Walters T, Boyle BM, Kugathasan S, Vlamakis H, Hyams J, Denson L, Clish CB, Xavier RJ. Linking microbial genes to plasma and stool metabolites uncovers host-microbial interactions underlying ulcerative colitis disease course. Cell Host Microbe 2024; 32:209-226.e7. [PMID: 38215740 PMCID: PMC10923022 DOI: 10.1016/j.chom.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 11/08/2023] [Accepted: 12/15/2023] [Indexed: 01/14/2024]
Abstract
Understanding the role of the microbiome in inflammatory diseases requires the identification of microbial effector molecules. We established an approach to link disease-associated microbes to microbial metabolites by integrating paired metagenomics, stool and plasma metabolomics, and culturomics. We identified host-microbial interactions correlated with disease activity, inflammation, and the clinical course of ulcerative colitis (UC) in the Predicting Response to Standardized Colitis Therapy (PROTECT) pediatric inception cohort. In severe disease, metabolite changes included increased dipeptides and tauro-conjugated bile acids (BAs) and decreased amino-acid-conjugated BAs in stool, whereas in plasma polyamines (N-acetylputrescine and N1-acetylspermidine) increased. Using patient samples and Veillonella parvula as a model, we uncovered nitrate- and lactate-dependent metabolic pathways, experimentally linking V. parvula expansion to immunomodulatory tryptophan metabolite production. Additionally, V. parvula metabolizes immunosuppressive thiopurine drugs through xdhA xanthine dehydrogenase, potentially impairing the therapeutic response. Our findings demonstrate that the microbiome contributes to disease-associated metabolite changes, underscoring the importance of these interactions in disease pathology and treatment.
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Affiliation(s)
- Melanie Schirmer
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Translational Microbiome Data Integration, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany.
| | - Martin Stražar
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | | | - Eric M Brown
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Emily Temple
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Amy Deik
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Kevin Bullock
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Sarah Jeanfavre
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Kerry Pierce
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Shen Jin
- Translational Microbiome Data Integration, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | | | - Marie-Madlen Pust
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Zach Costliow
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - David R Mack
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Anne M Griffiths
- Division of Gastroenterology, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Thomas Walters
- Division of Gastroenterology, Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Brendan M Boyle
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Nationwide Children's Hospital, Columbus, OH 43205, USA
| | - Subra Kugathasan
- Department of Pediatrics, Emory University, Atlanta, GA 30322, USA
| | - Hera Vlamakis
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jeffrey Hyams
- Connecticut Children's Medical Center, Division of Digestive Diseases, Hartford, CT 06106, USA
| | - Lee Denson
- Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Clary B Clish
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Ramnik J Xavier
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA; Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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5
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García-Saldaña EA, Cerqueda-García D, Ibarra-Laclette E, Aluja M. Insights into the differences related to the resistance mechanisms to the highly toxic fruit Hippomane mancinella (Malpighiales: Euphorbiaceae) between the larvae of the sister species Anastrepha acris and Anastrepha ludens (Diptera: Tephritidae) through comparative transcriptomics. Front Physiol 2024; 15:1263475. [PMID: 38304114 PMCID: PMC10830740 DOI: 10.3389/fphys.2024.1263475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 01/08/2024] [Indexed: 02/03/2024] Open
Abstract
The Manchineel, Hippomane mancinella ("Death Apple Tree") is one of the most toxic fruits worldwide and nevertheless is the host plant of the monophagous fruit fly species Anastrepha acris (Diptera: Tephritidae). Here we aimed at elucidating the detoxification mechanisms in larvae of A. acris reared on a diet enriched with the toxic fruit (6% lyophilizate) through comparative transcriptomics. We compared the performance of A. acris larvae with that of the sister species A. ludens, a highly polyphagous pest species that is unable to infest H. mancinella in nature. The transcriptional alterations in A. ludens were significantly greater than in A. acris. We mainly found two resistance mechanisms in both species: structural, activating cuticle protein biosynthesis (chitin-binding proteins likely reducing permeability to toxic compounds in the intestine), and metabolic, triggering biosynthesis of serine proteases and xenobiotic metabolism activation by glutathione-S-transferases and cytochrome P450 oxidoreductase. Some cuticle proteins and serine proteases were not orthologous between both species, suggesting that in A. acris, a structural resistance mechanism has been selected allowing specialization to the highly toxic host plant. Our results represent a nice example of how two phylogenetically close species diverged over recent evolutionary time related to resistance mechanisms to plant secondary metabolites.
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Affiliation(s)
- Essicka A. García-Saldaña
- Clúster Científico y Tecnológico BioMimic, Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología, A C–INECOL, Xalapa, Veracruz, Mexico
| | - Daniel Cerqueda-García
- Clúster Científico y Tecnológico BioMimic, Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología, A C–INECOL, Xalapa, Veracruz, Mexico
| | - Enrique Ibarra-Laclette
- Clúster Científico y Tecnológico BioMimic, Red de Estudios Moleculares Avanzados, Instituto de Ecología, A C–INECOL, Xalapa, Veracruz, Mexico
| | - Martín Aluja
- Clúster Científico y Tecnológico BioMimic, Red de Manejo Biorracional de Plagas y Vectores, Instituto de Ecología, A C–INECOL, Xalapa, Veracruz, Mexico
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6
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Qiang C, Zhang T, Feng Z, Liu P, Sun P. Direct Amino-α-C-H Heteroarylation of Amides under Electrochemical Conditions. Org Lett 2024. [PMID: 38191300 DOI: 10.1021/acs.orglett.3c03868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
An electrochemical hydrogen atom transfer (HAT) strategy for the direct amino-α-C-H heteroarylation of amides is described. The cheap TMSN3 acts as a hydrogen atom transfer reagent. A series of heteroarenes including quinoxalin-2(1H)-ones, 4-methylquinoline, isoquinoline, 2-methylquinoxaline, benzothiazole, etc., and various readily available amides/lactams were suitable. The reaction has the characteristics of a wide range of substrates, good regioselectivity, chemical oxidant-free conditions, etc.
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Affiliation(s)
- Congcong Qiang
- School of Chemistry and Materials Science, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Tan Zhang
- School of Chemistry and Materials Science, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Zhaoyue Feng
- School of Chemistry and Materials Science, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Ping Liu
- School of Chemistry and Materials Science, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Peipei Sun
- School of Chemistry and Materials Science, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, China
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7
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Elsadek LA, Ellis EK, Seabra G, Paul VJ, Luesch H. Chlorinated Enyne Fatty Acid Amides from a Marine Cyanobacterium: Discovery of Taveuniamides L-M and Pharmacological Characterization of Taveuniamide F as a GPCR Antagonist with CNR1 Selectivity. Mar Drugs 2023; 22:28. [PMID: 38248654 PMCID: PMC10817531 DOI: 10.3390/md22010028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 12/07/2023] [Accepted: 12/19/2023] [Indexed: 01/23/2024] Open
Abstract
NMR and MS/MS-based metabolomics of a cyanobacterial extract from Piti Bomb Holes, Guam, indicated the presence of unique enyne-containing halogenated fatty acid amides. We isolated three new compounds of this class, taveuniamides L-N (1-3), along with the previously reported taveuniamide F (4), which was the most abundant analog. The planar structures of the new compounds were established using 1D and 2D NMR as well as mass spectrometry. We established the configuration of this chemical class to be R at C-8 via Mosher's analysis of 4 after reduction of the carboxamide group. Our biological investigations with 4 revealed that the compound binds to the cannabinoid receptor CNR1, acting as an antagonist/inverse agonist in the canonical G-protein signaling pathways. In selectivity profiling against 168 GPCR targets using the β-arrestin functional assay, we found that 4 antagonizes GPR119, NPSR1b, CCR9, CHRM4, GPR120, HTR2A, and GPR103, in addition to CNR1. Interestingly, 4 showed a 6.8-fold selectivity for CNR1 over CNR2. The binding mode of 4 to CNR1 was investigated using docking and molecular dynamics simulations with both natural and unnatural stereoisomers, revealing important CNR1 residues for the interaction and also providing a possible reasoning for the observed CNR1/CNR2 selectivity.
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Affiliation(s)
- Lobna A. Elsadek
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, FL 32610, USA; (L.A.E.); (E.K.E.); (G.S.)
- Center for Natural Products, Drug Discovery and Development (CNPD3), 1345 Center Drive, University of Florida, Gainesville, FL 32610, USA
| | - Emma K. Ellis
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, FL 32610, USA; (L.A.E.); (E.K.E.); (G.S.)
- Center for Natural Products, Drug Discovery and Development (CNPD3), 1345 Center Drive, University of Florida, Gainesville, FL 32610, USA
| | - Gustavo Seabra
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, FL 32610, USA; (L.A.E.); (E.K.E.); (G.S.)
- Center for Natural Products, Drug Discovery and Development (CNPD3), 1345 Center Drive, University of Florida, Gainesville, FL 32610, USA
| | - Valerie J. Paul
- Smithsonian Marine Station, 701 Seaway Drive, Fort Pierce, FL 34949, USA;
| | - Hendrik Luesch
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, FL 32610, USA; (L.A.E.); (E.K.E.); (G.S.)
- Center for Natural Products, Drug Discovery and Development (CNPD3), 1345 Center Drive, University of Florida, Gainesville, FL 32610, USA
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8
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He C, Hao E, Du C, Wei W, Wang X, Liu T, Deng J. Investigating the Underlying Mechanisms of Ardisia japonica Extract's Anti-Blood-Stasis Effect via Metabolomics and Network Pharmacology. Molecules 2023; 28:7301. [PMID: 37959722 PMCID: PMC10649676 DOI: 10.3390/molecules28217301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/20/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023] Open
Abstract
OBJECTIVE Our study aims to assess Ardisia japonica (AJ)'s anti-blood-stasis effect and its underlying action mechanisms. METHODS The primary components of AJ were determined using liquid chromatography-mass spectrometry (LC-MS). The blood stasis model was used to investigate the anti-blood-stasis effect of AJ extract. The underlying mechanisms of AJ against blood stasis were investigated via network pharmacology, molecular docking, and plasma non-targeted metabolomics. RESULTS In total, 94 compounds were identified from an aqueous extract of AJ, including terpenoids, phenylpropanoids, alkaloids, and fatty acyl compounds. In rats with blood stasis, AJ reduced the area of stasis, decreased the inflammatory reaction in the liver and lungs of rats, lowered the plasma viscosity, increased the index of erythrocyte deformability, and decreased the index of erythrocyte aggregation, suggesting that AJ has an anti-blood-stasis effect. Different metabolites were identified via plasma untargeted metabolomics, and it was found that AJ exerts its anti-blood-stasis effect by reducing inflammatory responses through the cysteine and methionine metabolism, linolenic acid metabolism, and sphingolipid metabolism. For the effect of AJ on blood stasis syndrome, the main active ingredients predicted via network pharmacology include sinensetin, galanin, isorhamnetin, kaempferol, wogonin, quercetin, and bergenin, and their targets were TP53, HSP90AA1, VEGFA, AKT1, EGFR, and PIK3CA that were mainly enriched in the PI3K/AKT and MAPK signaling pathways, which modulate the inflammatory response. Molecular docking was also performed, and the binding energies of these seven compounds to six proteins were less than -5, indicating that the chemical components bind to the target proteins. CONCLUSIONS This study suggests AJ effectively prevents blood stasis by reducing inflammation.
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Affiliation(s)
- Cuiwei He
- School of Pharmacy, Minzu University of China, Beijing 100081, China
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Erwei Hao
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Chengzhi Du
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Wei Wei
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Xiaodong Wang
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Tongxiang Liu
- School of Pharmacy, Minzu University of China, Beijing 100081, China
| | - Jiagang Deng
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning 530200, China
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9
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Kobayashi Y, Watanabe N, Hiura R, Kubota M, Furuta K, Sugimoto K, Murota K, Nakamura E, Matsuura T, Kai K, Inui T, Kitakaze T, Harada N, Yamaji R. Transport Form and Pathway from the Intestine to the Peripheral Tissues and the Intestinal Absorption and Metabolism Properties of Oleamide. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15499-15508. [PMID: 36458736 DOI: 10.1021/acs.jafc.2c06791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This study aimed to obtain information on the transport form and pathway from the intestine to the peripheral tissues and on the intestinal absorption and metabolism properties of oleamide (cis-9-octadecenamide). Oleamide was primarily transported via the portal vein. Density gradient centrifugation indicated that plasma oleamide was enriched in the fractions containing albumin in the portal and peripheral blood. Oleamide formed a complex with albumin in an endothermic reaction (apparent Kd = 4.4 μM). The CD36 inhibitor inhibited the oleamide uptake into the intestinal epithelial Caco-2 cells, and oleamide decreased the cell surface CD36 level. The fatty acid amide hydrolase (FAAH) inhibitor increased the transepithelial transport of oleamide across Caco-2 cells and the plasma oleamide concentration in mice intragastrically administered with oleamide. These results indicate that oleamide is transported primarily via the portal vein as a complex with albumin. Furthermore, we suggest that oleamide is taken up via CD36 in the small intestine and degraded intracellularly by FAAH.
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Affiliation(s)
- Yasuyuki Kobayashi
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Natsumi Watanabe
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Reina Hiura
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Mai Kubota
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Kousuke Furuta
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Keiichiro Sugimoto
- Research and Development Center, Nagaoka Co., Ltd., Ibaraki, Osaka 5670005, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Kaeko Murota
- Department of Life Sciences, Faculty of Life and Environmental Sciences, Shimane University, Matsue, Shimane 6908504, Japan
| | - Eri Nakamura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Toshiki Matsuura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Kenji Kai
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Takashi Inui
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Tomoya Kitakaze
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Naoki Harada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Ryoichi Yamaji
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
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10
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Yerlikaya S, Djamgoz MB. Oleamide, a Sleep-Inducing Compound: Effects on Ion Channels and Cancer. Bioelectricity 2022. [DOI: 10.1089/bioe.2022.0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Serife Yerlikaya
- Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, Istanbul, Turkey
| | - Mustafa B.A. Djamgoz
- Department of Life Sciences, Imperial College London, London, United Kingdom
- Biotechnology Research Center, Cyprus International University, Haspolat, Nicosia, TRNC, Mersin 10, Turkey
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11
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An efficient and convenient method to prepare amides by the carbonylation of amines. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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Panebianco C, Villani A, Pisati F, Orsenigo F, Ulaszewska M, Latiano TP, Potenza A, Andolfo A, Terracciano F, Tripodo C, Perri F, Pazienza V. Butyrate, a postbiotic of intestinal bacteria, affects pancreatic cancer and gemcitabine response in in vitro and in vivo models. Biomed Pharmacother 2022; 151:113163. [PMID: 35617803 DOI: 10.1016/j.biopha.2022.113163] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/16/2022] [Accepted: 05/16/2022] [Indexed: 11/02/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive cancer. The characteristic excessive stromatogenesis accompanying the growth of this tumor is believed to contribute to chemoresistance which, together with drug toxicity, results in poor clinical outcome. An increasing number of studies are showing that gut microbiota and their metabolites are implicated in cancer pathogenesis, progression and response to therapies. In this study we tested butyrate, a product of dietary fibers' bacterial fermentation, whose anticancer and anti-inflammatory functions are known. We provided in vitro evidence that, beside slowing proliferation, butyrate enhanced gemcitabine effectiveness against two human pancreatic cancer cell lines, mainly inducing apoptosis. In addition, we observed that, when administered to a PDAC mouse model, alone or combined with gemcitabine treatment, butyrate markedly reduced the cancer-associated stromatogenesis, preserved intestinal mucosa integrity and affected fecal microbiota composition by increasing short chain fatty acids producing bacteria and decreasing some pro-inflammatory microorganisms. Furthermore, a biochemical serum analysis showed butyrate to ameliorate some markers of kidney and liver damage, whereas a metabolomics approach revealed a deep modification of lipid metabolism, which may affect tumor progression or response to therapy. Such results support that butyrate supplementation, in addition to conventional therapies, can interfere with pancreatic cancer biology and response to treatment and can alleviate some damages associated to cancer itself or to chemotherapy.
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Affiliation(s)
- Concetta Panebianco
- Division of Gastroenterology, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Annacandida Villani
- Division of Gastroenterology, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Federica Pisati
- Histopathology Unit, Cogentech S.C.a.R.L, Via Adamello, 16, 20139 Milan, MI, Italy
| | | | - Marynka Ulaszewska
- Proteomics and Metabolomics Facility (ProMeFa), IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132 Milan, Italy
| | - Tiziana Pia Latiano
- Oncology Unit, Fondazione IRCCS "Casa Sollievo della Sofferenza Hospital, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Adele Potenza
- Dietetic and Clinical Nutrition Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Annapaola Andolfo
- Proteomics and Metabolomics Facility (ProMeFa), IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132 Milan, Italy
| | - Fulvia Terracciano
- Division of Gastroenterology, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Claudio Tripodo
- Histopathology Unit, Cogentech S.C.a.R.L, Via Adamello, 16, 20139 Milan, MI, Italy; Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Via del Vespro 129, 90127 Palermo, Italy
| | - Francesco Perri
- Division of Gastroenterology, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy
| | - Valerio Pazienza
- Division of Gastroenterology, Fondazione IRCCS Casa Sollievo della Sofferenza, Viale dei Cappuccini, 1, 71013 San Giovanni Rotondo, FG, Italy.
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13
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Quade J, López-Ibáñez S, Beiras R. Mesocosm trials reveal the potential toxic risk of degrading bioplastics to marine life. MARINE POLLUTION BULLETIN 2022; 179:113673. [PMID: 35489090 DOI: 10.1016/j.marpolbul.2022.113673] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/15/2022] [Accepted: 04/16/2022] [Indexed: 06/14/2023]
Abstract
If biodegradable plastics tackle the marine plastic pollution problem sufficiently remains questionable. To gain more insight in degradability, performance, and the impact of degradation on the toxicity, commercial bags made from two biodegradable plastics and one conventional plastic (PE) were exposed for 120 days in a mesocosm featuring benthic, pelagic, and littoral habitat simulations. Degradability was assessed as weight loss, and specimens were tested for toxicity using Paracentrotus lividus sea-urchin larvae after different exposure times. Both biodegradable bags showed degradation within 120 days, with the littoral simulation showing the highest and the pelagic simulation the lowest decay. Disregarding habitat, the home-compostable plastic showed higher marine degradation than the industrial-compostable material. The relevant initial toxicity of both biopolymers was lost within 7 days of exposure, pointing towards easily leachable chemical additives as its cause. Interestingly, littoral exposed specimens gained toxicity after 120 days, suggesting UV- induced modifications that increase biopolymer toxicity.
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Affiliation(s)
- Jakob Quade
- RWTH Aachen University, Institute for Environmental Research, Worringer Weg 1, 52074 Aachen, Germany; ECOTOX Group, ECIMAT-CIM, Universidade de Vigo, Illa de Toralla, 36331 Vigo, Galicia, Spain.
| | - Sara López-Ibáñez
- ECOTOX Group, ECIMAT-CIM, Universidade de Vigo, Illa de Toralla, 36331 Vigo, Galicia, Spain
| | - Ricardo Beiras
- ECOTOX Group, ECIMAT-CIM, Universidade de Vigo, Illa de Toralla, 36331 Vigo, Galicia, Spain
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14
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Li Z, Dong F, Sun Y, Sun Z, Song X, Dong Y, Huang X, Zhong J, Zhang R, Wang M, Sun C. Qualitative and Quantitative Analysis of Six Fatty Acid Amides in 11 Edible Vegetable Oils Using Liquid Chromatography-Mass Spectrometry. Front Nutr 2022; 9:857858. [PMID: 35419400 PMCID: PMC8997291 DOI: 10.3389/fnut.2022.857858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/02/2022] [Indexed: 11/13/2022] Open
Abstract
Fatty acid amides (FAAs) are endogenous lipid molecules that exhibit various physiological activities. FAAs are usually present at nanomolar levels in biological samples. In this study, a method for the qualitative and quantitative determination of six FAAs (linoleamide, linoleoyl ethanolamide, oleoyl ethanolamide, palmitic amide, oleamide, and octadecanamide) in edible vegetable oils was established. All six FAAs were detected in sesame, peanut, soybean (decolorized and non-decolorized), and blended oils; five in sunflower oil; four in rice oil; three in linseed and olive oils; and two in corn and canola oils. The total contents of FAAs were highest in sesame oil (104.88 ± 3.01 μg/mL), followed by peanut oil (34.96 ± 3.87 μg/mL), soybean oil (16.75 ± 1.27 μg/mL), and blended oil (13.33 ± 0.77 μg/mL), and the contents in the other edible vegetable oils were all <1.03 μg/mL. The concentrations of linoleoyl ethanolamide and oleoyl ethanolamide were highest in non-decolorized soybean oil, while the other four FAAs (linoleamide, palmitic amide, oleamide, and octadecanamide) showed the highest concentrations in sesame oil. The total contents of these FAAs in eight different oils were higher than those in biological fluids and tissue. Our study confirmed that edible vegetable oils are rich in FAAs, and provides reliable data for evaluating the nutritive value of vegetable oils.
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Affiliation(s)
- Zixiang Li
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Feng Dong
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Yongzhi Sun
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Zhaohui Sun
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Xinyu Song
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Yingran Dong
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Xiaocai Huang
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Jiayi Zhong
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Rui Zhang
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Maoqing Wang
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
| | - Changhao Sun
- National Key Disciplines of Nutrition and Food Hygiene, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, China
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15
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Morozumi S, Ueda M, Okahashi N, Arita M. Structures and functions of the gut microbial lipidome. Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159110. [PMID: 34995792 DOI: 10.1016/j.bbalip.2021.159110] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/19/2021] [Accepted: 12/24/2021] [Indexed: 12/26/2022]
Abstract
Microbial lipids provide signals that are responsible for maintaining host health and controlling disease. The differences in the structures of microbial lipids have been shown to alter receptor selectivity and agonist/antagonist activity. Advanced lipidomics is an emerging field that helps to elucidate the complex bacterial lipid diversity. The use of cutting-edge technologies is expected to lead to the discovery of new functional metabolites involved in host homeostasis. This review aims to describe recent updates on functional lipid metabolites derived from gut microbiota, their structure-activity relationships, and advanced lipidomics technologies.
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Affiliation(s)
- Satoshi Morozumi
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan; Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo 105-8512, Japan
| | - Masahiro Ueda
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan; JSR Bioscience and Informatics R&D Center, JSR Corporation, 3-103-9 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-0821, Japan
| | - Nobuyuki Okahashi
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan; Department of Bioinformatic Engineering, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Makoto Arita
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan; Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo 105-8512, Japan; Cellular and Molecular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.
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16
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André R, Guedes R, López J, Serralheiro ML. Untargeted metabolomic study of HepG2 cells under the effect of Fucus vesiculosus aqueous extract. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9197. [PMID: 34515383 DOI: 10.1002/rcm.9197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/28/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
RATIONALE Fucus vesiculosus has been described with potential to develop functional foods containing bioactive compounds against various diseases. However, more studies are needed to better understand its functioning and its previously reported bioactivities, mainly at the molecular level. METHODS An untargeted metabolomic study was performed to analyse HepG2 cells exposed to F. vesiculosus aqueous extract, rich in phlorotannins and peptides, during 24 h. This study was carried out using liquid chromatography combined with high-resolution tandem mass spectrometry. RESULTS This metabolomic study showed significant changes in HepG2 metabolites in the presence of the extract, standing out being the increased intensity of various fatty acid amides (oleamide, (Z)-eicos-11-enamide, linoleamide, palmitamide, dodecanamide and stearamide). This group of metabolites is reported in the literature with anticancer and hypocholesterolemic activity, bioactivities also described for F. vesiculosus. The extract induced, likewise, the expression of glutathione indicating its antioxidant effect. CONCLUSIONS This study demonstrated the potential of the compounds present in the F. vesiculosus aqueous extract for the development of natural drugs, nutraceuticals or dietary supplements, justified at the molecular level by changes in cell metabolites related to anticancer and hypocholesterolemic activity. The results here described, using an untargeted metabolomic approach, may contribute to a better understanding of algal behaviour, when used as food, in health-promoting effects.
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Affiliation(s)
- Rebeca André
- Faculty of Sciences, BioISI - Biosystems & Integrative Sciences Institute, University of Lisbon, Campo Grande, Lisbon, Portugal
| | - Rita Guedes
- Faculty of Sciences, BioISI - Biosystems & Integrative Sciences Institute, University of Lisbon, Campo Grande, Lisbon, Portugal
| | - Javier López
- Parque Empresarial Rivas Futura, Bruker Española SA, Rivas Vaciamadrid, Madrid, Spain
| | - Maria Luísa Serralheiro
- Faculty of Sciences, BioISI - Biosystems & Integrative Sciences Institute, University of Lisbon, Campo Grande, Lisbon, Portugal
- Faculty of Sciences, Departamento de Química e Bioquímica, University of Lisbon, Campo Grande, Lisbon, Portugal
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17
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Tobias JM, Rajic G, Viray AEG, Icka-Araki D, Frank JA. Genetically-targeted photorelease of endocannabinoids enables optical control of GPR55 in pancreatic β-cells. Chem Sci 2021; 12:13506-13512. [PMID: 34777770 PMCID: PMC8528030 DOI: 10.1039/d1sc02527a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/09/2021] [Indexed: 12/23/2022] Open
Abstract
Fatty acid amides (FAAs) are a family of second-messenger lipids that target cannabinoid receptors, and are known mediators of glucose-stimulated insulin secretion from pancreatic β-cells. Due to the diversity observed in FAA structure and pharmacology, coupled with the expression of at least 3 different cannabinoid G protein-coupled receptors in primary and model β-cells, our understanding of their role is limited by our inability to control their actions in time and space. To investigate the mechanisms by which FAAs regulate β-cell excitability, we developed the Optically-Cleavable Targeted (OCT)-ligand approach, which combines the spatial resolution of self-labeling protein (SNAP-) tags with the temporal control of photocaged ligands. By linking a photocaged FAA to an o-benzylguanine (BG) motif, FAA signalling can be directed towards genetically-defined cellular membranes. We designed a probe to release palmitoylethanolamide (PEA), a GPR55 agonist known to stimulate glucose-stimulated insulin secretion (GSIS). When applied to β-cells, OCT-PEA revealed that plasma membrane GPR55 stimulates β-cell Ca2+ activity via phospholipase C. Moving forward, the OCT-ligand approach can be translated to other ligands and receptors, and will open up new experimental possibilities in targeted pharmacology.
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Affiliation(s)
- Janelle M Tobias
- Vollum Institute, Oregon Health & Science University Portland OR USA
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University Portland OR USA
- Graduate Program in Physiology & Pharmacology, Oregon Health & Science University Portland OR USA
| | - Gabriela Rajic
- Vollum Institute, Oregon Health & Science University Portland OR USA
| | - Alexander E G Viray
- Vollum Institute, Oregon Health & Science University Portland OR USA
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University Portland OR USA
| | - David Icka-Araki
- Vollum Institute, Oregon Health & Science University Portland OR USA
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University Portland OR USA
- Graduate Program in Biomedical Sciences, Oregon Health & Science University Portland OR USA
| | - James A Frank
- Vollum Institute, Oregon Health & Science University Portland OR USA
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University Portland OR USA
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18
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Magliocco G, Desmeules J, Matthey A, Quirós-Guerrero LM, Bararpour N, Joye T, Marcourt L, F Queiroz E, Wolfender JL, Gloor Y, Thomas A, Daali Y. METABOLOMICS REVEALS BIOMARKERS IN HUMAN URINE AND PLASMA TO PREDICT CYP2D6 ACTIVITY. Br J Pharmacol 2021; 178:4708-4725. [PMID: 34363609 PMCID: PMC9290485 DOI: 10.1111/bph.15651] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 06/30/2021] [Accepted: 08/02/2021] [Indexed: 12/01/2022] Open
Abstract
Background and Purpose Individualized assessment of cytochrome P450 2D6 (CYP2D6) activity is usually performed through phenotyping following administration of a probe drug to measure the enzyme's activity. To avoid any iatrogenic harm (allergic drug reaction, dosing error) related to the probe drug, the development of non‐burdensome tools for real‐time phenotyping of CYP2D6 could significantly contribute to precision medicine. This study focuses on the identification of markers of the CYP2D6 enzyme in human biofluids using an LC‐high‐resolution mass spectrometry‐based metabolomic approach. Experimental Approach Plasma and urine samples from healthy volunteers were analysed before and after intake of a daily dose of paroxetine 20 mg over 7 days. CYP2D6 genotyping and phenotyping, using single oral dose of dextromethorphan 5 mg, were also performed in all participants. Key Results We report four metabolites of solanidine and two unknown compounds as possible novel CYP2D6 markers. Mean relative intensities of these features were significantly reduced during the inhibition session compared with the control session (n = 37). Semi‐quantitative analysis showed that the largest decrease (−85%) was observed for the ion m/z 432.3108 normalized to solanidine (m/z 398.3417). Mean relative intensities of these ions were significantly higher in the CYP2D6 normal–ultrarapid metabolizer group (n = 37) compared with the poor metabolizer group (n = 6). Solanidine intensity was more than 15 times higher in CYP2D6‐deficient individuals compared with other volunteers. Conclusion and Implications The applied untargeted metabolomic strategy identified potential novel markers capable of semi‐quantitatively predicting CYP2D6 activity, a promising discovery for personalized medicine.
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Affiliation(s)
- Gaëlle Magliocco
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.,School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Jules Desmeules
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.,School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland.,Clinical Research Center, Geneva University Hospitals, Geneva, Switzerland
| | - Alain Matthey
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.,Clinical Research Center, Geneva University Hospitals, Geneva, Switzerland
| | - Luis M Quirós-Guerrero
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Nasim Bararpour
- Forensic Toxicology and Chemistry Unit, CURML, Lausanne University Hospital, Geneva University Hospitals, Lausanne, Geneva, Switzerland.,Faculty Unit of Toxicology, CURML, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Timothée Joye
- Forensic Toxicology and Chemistry Unit, CURML, Lausanne University Hospital, Geneva University Hospitals, Lausanne, Geneva, Switzerland.,Faculty Unit of Toxicology, CURML, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Laurence Marcourt
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Emerson F Queiroz
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
| | - Yvonne Gloor
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Aurélien Thomas
- Forensic Toxicology and Chemistry Unit, CURML, Lausanne University Hospital, Geneva University Hospitals, Lausanne, Geneva, Switzerland.,Faculty Unit of Toxicology, CURML, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.,School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva, Switzerland
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19
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Bäck N, Mains RE, Eipper BA. PAM: diverse roles in neuroendocrine cells, cardiomyocytes, and green algae. FEBS J 2021; 289:4470-4496. [PMID: 34089560 DOI: 10.1111/febs.16049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/28/2021] [Accepted: 06/02/2021] [Indexed: 12/13/2022]
Abstract
Our understanding of the ways in which peptides are used for communication in the nervous and endocrine systems began with the identification of oxytocin, vasopressin, and insulin, each of which is stored in electron-dense granules, ready for release in response to an appropriate stimulus. For each of these peptides, entry of its newly synthesized precursor into the ER lumen is followed by transport through the secretory pathway, exposing the precursor to a sequence of environments and enzymes that produce the bioactive products stored in mature granules. A final step in the biosynthesis of many peptides is C-terminal amidation by peptidylglycine α-amidating monooxygenase (PAM), an ascorbate- and copper-dependent membrane enzyme that enters secretory granules along with its soluble substrates. Biochemical and cell biological studies elucidated the highly conserved mechanism for amidated peptide production and raised many questions about PAM trafficking and the effects of PAM on cytoskeletal organization and gene expression. Phylogenetic studies and the discovery of active PAM in the ciliary membranes of Chlamydomonas reinhardtii, a green alga lacking secretory granules, suggested that a PAM-like enzyme was present in the last eukaryotic common ancestor. While the catalytic features of human and C. reinhardtii PAM are strikingly similar, the trafficking of PAM in C. reinhardtii and neuroendocrine cells and secretion of its amidated products differ. A comparison of PAM function in neuroendocrine cells, atrial myocytes, and C. reinhardtii reveals multiple ways in which altered trafficking allows PAM to accomplish different tasks in different species and cell types.
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Affiliation(s)
- Nils Bäck
- Department of Anatomy, University of Helsinki, Finland
| | - Richard E Mains
- Department of Neuroscience, UConn Health, Farmington, CT, USA
| | - Betty A Eipper
- Department of Molecular Biology and Biophysics, UConn Health, Farmington, CT, USA
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20
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Gut-inhabiting Clostridia build human GPCR ligands by conjugating neurotransmitters with diet- and human-derived fatty acids. Nat Microbiol 2021; 6:792-805. [PMID: 33846627 DOI: 10.1038/s41564-021-00887-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/01/2021] [Indexed: 02/01/2023]
Abstract
Human physiology is regulated by endogenous signalling compounds, including fatty acid amides (FAAs), chemical mimics of which are made by bacteria. The molecules produced by human-associated microbes are difficult to identify because they may only be made in a local niche or they require a substrate sourced from the host, diet or other microbes. We identified a set of uncharacterized gene clusters in metagenomics data from the human gut microbiome. These clusters were discovered to make FAAs by fusing exogenous fatty acids with amines. Using an in vitro assay, we tested their ability to incorporate 25 fatty acids and 53 amines known to be present in the human gut, from which the production of six FAAs was deduced (oleoyl dopamine, oleoyl tyramine, lauroyl tryptamine, oleoyl aminovaleric acid, α-linolenoyl phenylethylamine and caproyl tryptamine). These molecules were screened against panels of human G-protein-coupled receptors to deduce their putative human targets. Lauroyl tryptamine is found to be an antagonist to the immunomodulatory receptor EBI2 against its native oxysterol ligand (0.98 μM half-maximal inhibitory concentration), is produced in culture by Eubacterium rectale and is present in human faecal samples. FAAs produced by Clostridia may serve as a mechanism to modulate their host by mimicking human signalling molecules.
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21
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Synthesis, Characterization, and DFT Studies of N-(3,5-Bis(trifluoromethyl)benzyl)stearamide. MOLBANK 2021. [DOI: 10.3390/m1215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The novel N-(3,5-bis(trifluoromethyl)benzyl)stearamide 3 was prepared in moderate yield by a solventless direct amidation reaction of stearic acid 1 with 3,5-bis(trifluoromethyl)benzylamine 2 at 140 °C for 24 h under metal- and catalyst-free conditions. This practical method was conducted in air without any special treatment or activation. The fatty acid amide 3 was fully characterized by IR, UV–Vis, 1D and 2D NMR spectroscopy, mass spectrometry, and elemental analysis. Moreover, molecular electrostatic potential studies, determination of quantum descriptors, fundamental vibrational frequencies, and intensity of vibrational bands were computed by density functional theory (DFT) using the B3LYP method with 6-311+G(d,p) basis set in gas phase. Simulation of the infrared spectrum using the results of these calculations led to good agreement with the observed spectral patterns.
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22
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Fernández-Irigoyen J, Cartas-Cejudo P, Iruarrizaga-Lejarreta M, Santamaría E. Alteration in the Cerebrospinal Fluid Lipidome in Parkinson's Disease: A Post-Mortem Pilot Study. Biomedicines 2021; 9:491. [PMID: 33946950 PMCID: PMC8146703 DOI: 10.3390/biomedicines9050491] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/14/2022] Open
Abstract
Lipid metabolism is clearly associated to Parkinson's disease (PD). Although lipid homeostasis has been widely studied in multiple animal and cellular models, as well as in blood derived from PD individuals, the cerebrospinal fluid (CSF) lipidomic profile in PD remains largely unexplored. In this study, we characterized the post-mortem CSF lipidomic imbalance between neurologically intact controls (n = 10) and PD subjects (n = 20). The combination of dual extraction with ultra-performance liquid chromatography-electrospray ionization quadrupole-time-of-flight mass spectrometry (UPLC-ESI-qToF-MS/MS) allowed for the monitoring of 257 lipid species across all samples. Complementary multivariate and univariate data analysis identified that glycerolipids (mono-, di-, and triacylglycerides), saturated and mono/polyunsaturated fatty acids, primary fatty amides, glycerophospholipids (phosphatidylcholines, phosphatidylethanolamines), sphingolipids (ceramides, sphingomyelins), N-acylethanolamines and sterol lipids (cholesteryl esters, steroids) were significantly increased in the CSF of PD compared to the control group. Interestingly, CSF lipid dyshomeostasis differed depending on neuropathological staging and disease duration. These results, despite the limitation of being obtained in a small population, suggest extensive CSF lipid remodeling in PD, shedding new light on the deployment of CSF lipidomics as a promising tool to identify potential lipid markers as well as discriminatory lipid species between PD and other atypical parkinsonisms.
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Affiliation(s)
- Joaquín Fernández-Irigoyen
- Clinical Neuroproteomics Unit, Navarrabiomed, Complejo Hospitalario de Navarra (CHN), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra (UPNA), 31008 Pamplona, Spain; (J.F.-I.); (P.C.-C.)
| | - Paz Cartas-Cejudo
- Clinical Neuroproteomics Unit, Navarrabiomed, Complejo Hospitalario de Navarra (CHN), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra (UPNA), 31008 Pamplona, Spain; (J.F.-I.); (P.C.-C.)
| | | | - Enrique Santamaría
- Clinical Neuroproteomics Unit, Navarrabiomed, Complejo Hospitalario de Navarra (CHN), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Universidad Pública de Navarra (UPNA), 31008 Pamplona, Spain; (J.F.-I.); (P.C.-C.)
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23
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The acidified drinking water-induced changes in the behavior and gut microbiota of wild-type mice depend on the acidification mode. Sci Rep 2021; 11:2877. [PMID: 33536529 PMCID: PMC7858586 DOI: 10.1038/s41598-021-82570-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 01/18/2021] [Indexed: 02/06/2023] Open
Abstract
Acidification of drinking water to a pH between 2.5 and 3.0 is widely used to prevent the spread of bacterial diseases in animal colonies. Besides hydrochloric acid (HCl), sulfuric acid (H2SO4) is also used to acidify drinking water. Here we examined the effects of H2SO4-acidified drinking water (pH = 2.8) received from weaning (postnatal day 21) on the behavior and gut microflora of 129S6/SvEv mice, a mouse strain commonly used in transgenic studies. In contrast to HCl-acidified water, H2SO4-acidified water only temporarily impaired the pole-descending ability of mice (at 3 months of age), and did not change the performance in an accelerating rotarod test. As compared to 129S6/SvEv mice receiving non-acidified or HCl-acidified drinking water, the gut microbiota of 129S6/SvEv mice on H2SO4-acidified water displayed significant alterations at every taxonomic level especially at 6 months of age. Our results demonstrate that the effects of acidified drinking water on the behavior and gut microbiota of 129S6/SvEv mice depends on the acid used for acidification. To shed some light on how acidified drinking water affects the physiology of 129S6/SvEv mice, we analyzed the serum and fecal metabolomes and found remarkable, acidified water-induced alterations.
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24
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Monteiro RR, Virgen-Ortiz JJ, Berenguer-Murcia Á, da Rocha TN, dos Santos JC, Alcántara AR, Fernandez-Lafuente R. Biotechnological relevance of the lipase A from Candida antarctica. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.03.026] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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25
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Chanadech S, Ruen-Ngam D, Intaraudom C, Pittayakhajonwut P, Chongruchiroj S, Pratuangdejkul J, Thawai C. Isolation of manumycin-type derivatives and genome characterization of a marine Streptomyces sp. C1-2. Res Microbiol 2021; 172:103812. [PMID: 33497762 DOI: 10.1016/j.resmic.2021.103812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 01/04/2021] [Accepted: 01/15/2021] [Indexed: 11/18/2022]
Abstract
A marine actinomycete strain C1-2 was taxonomically characterized as the genus Streptomyces, based on whole-genome sequence analysis. The highest average nucleotide identity (ANI) value (98.96%) and digital DNA-DNA hybridization (DDH) value (90.4%) were observed between Streptomyces sp. C1-2 and Streptomyces griseoaurantiacus. Thus, Streptomyces sp. C1-2 could be identified as S. griseoaurantiacus. Genome analysis revealed that Streptomyces sp. C1-2 contained 22 biosynthetic gene clusters (BGCs) for secondary metabolites, where among them, 54% have low similarities with known BGCs. The chemical investigation led to the isolation of three new manumycin-type derivatives and two known analog antibiotics named SW-B and cornifronin B. All compounds showed antioxidant activity with the half-maximal inhibitory concentration (IC50) values in a range of 50.82 ± 0.8-112.04 ± 1.0 μg/mL with no cytotoxicity against Vero cells. This is the first report of the antioxidant property of manumycin-type derivatives. Moreover, two known compounds exhibited antifungal activity against Phytophthora capsici, Fusarium oxysporum f. sp. cucumerinum, and Magnaporthe grisea, with the minimum inhibitory concentration (MIC) values in a range of 125-500 μg/mL.
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Affiliation(s)
- Sakkarn Chanadech
- Department of Biology, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Duangkamol Ruen-Ngam
- Rattanakosin College for Sustainable Energy and Environment (RCSEE), Rajamangala University of Technology Rattanakosin, Nakhon Pathom, 73170, Thailand
| | - Chakapong Intaraudom
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Phaholyothin Road, Klong Luang, Pathum Thani, 12120, Thailand
| | - Pattama Pittayakhajonwut
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Phaholyothin Road, Klong Luang, Pathum Thani, 12120, Thailand
| | - Sumet Chongruchiroj
- Department of Microbiology, Faculty of Pharmacy, Mahidol University, Phayathai, Bangkok 10400, Thailand
| | - Jaturong Pratuangdejkul
- Department of Microbiology, Faculty of Pharmacy, Mahidol University, Phayathai, Bangkok 10400, Thailand
| | - Chitti Thawai
- Department of Biology, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand; Actinobacterial Research Unit, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand.
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26
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Han D, Shi L, Pan H. Plasma metabolomics analysis of the effects of drinking soda water on hyperglycemia mice using ultrahigh-pressure liquid chromatography-quadrupole-time of flight-mass spectrometry. Biomed Chromatogr 2020; 35:e5032. [PMID: 33220100 DOI: 10.1002/bmc.5032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 11/12/2020] [Accepted: 11/17/2020] [Indexed: 11/09/2022]
Abstract
The aim of this study was to evaluate the effects of a natural soda water [Shi Han Quan (SHQ)] on hyperglycemia and plasma metabolic profiling and explore the mechanism using metabolomics techniques. Kun-Ming mice weighing 26 ± 2 g were used for the hyperglycemia animal model with alloxan and divided into control, hyperglycemia (HG), and HG + SHQ soda water (SHQ) groups. The experiment lasted for 30 days. The plasma metabolomic profiling of mice was determined using ultrahigh-pressure liquid chromatography-quadrupole-time of flight-mass spectrometry. After the mice drank SHQ soda water, the levels of insulin and blood glucose were significantly lower in the SHQ group compared with the control group, and the level of insulin sensitivity [insulin sensitivity index (ISI)] was significantly higher in the SHQ group compared with the HG group. The mice in the different groups after SHQ intervention could be separated into distinct clusters, and nine major plasma metabolites with significant differences between groups were found closely associated with blood glucose and ISI. The metabolic pathway analysis of these metabolites involved abnormal fatty acid oxidation and phospholipid, acylcarnitine, and corticoid metabolism. The results suggested the metabolic changes and possible mechanism of SHQ improving the alloxan-induced HG, and the findings provided insights into the prevention and control of HG and diabetes.
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Affiliation(s)
- Dan Han
- College of Medical Technology, Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Litian Shi
- Harbin Greenstone Water Research Institute, Harbin, China
| | - Hongzhi Pan
- Collaborative Scientific Research Center, Shanghai University of Medicine & Health Sciences, Shanghai, China
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27
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Abstract
Skeletal muscle atrophy causes decreased physical activity and increased risk of metabolic diseases. We investigated the effects of oleamide (cis-9,10-octadecanamide) treatment on skeletal muscle health. The plasma concentration of endogenous oleamide was approximately 30 nm in male ddY mice under normal physiological conditions. When the stable isotope-labelled oleamide was orally administered to male ddY mice (50 mg/kg), the plasma concentration of exogenous oleamide reached approximately 170 nm after 1 h. Male ddY mice were housed in small cages (one-sixth of normal size) to enforce sedentary behaviour and orally administered oleamide (50 mg/kg per d) for 4 weeks. Housing in small cages decreased tibialis anterior (TA) muscle mass and the cross-sectional area of the myofibres in TA muscle. Dietary oleamide alleviated the decreases in TA muscle and resulted in plasma oleamide concentration of approximately 120 nm in mice housed in small cages. Housing in small cages had no influence on the phosphorylation levels of Akt serine/threonine kinase (Akt), mechanistic target of rapamycin (mTOR) and ribosomal protein S6 kinase (p70S6K) in TA muscle; nevertheless, oleamide increased the phosphorylation levels of the proteins. Housing in small cages increased the expression of microtubule-associated protein 1 light chain 3 (LC3)-II and sequestosome 1 (p62), but not LC3-I, in TA muscle, and oleamide reduced LC3-I, LC3-II and p62 expression levels. In C2C12 myotubes, oleamide increased myotube diameter at ≥100 nm. Furthermore, the mTOR inhibitor, Torin 1, suppressed oleamide-induced increases in myotube diameter and protein synthesis. These results indicate that dietary oleamide rescued TA muscle atrophy in mice housed in small cages, possibly by activating the phosphoinositide 3-kinase/Akt/mTOR signalling pathway and restoring autophagy flux.
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28
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Yi M, Zhang C, Zhang Z, Yi P, Xu P, Huang J, Peng W. Integrated Metabolomic and Lipidomic Analysis Reveals the Neuroprotective Mechanisms of Bushen Tiansui Formula in an A β1-42-Induced Rat Model of Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5243453. [PMID: 32655770 PMCID: PMC7322593 DOI: 10.1155/2020/5243453] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 05/13/2020] [Indexed: 11/17/2022]
Abstract
Bushen Tiansui Formula (BSTSF) is a traditional Chinese medicine prescription. It has been widely applied to treat Alzheimer's disease (AD) in the clinic; however, the mechanisms underlying its effects remain largely unknown. In this study, we used a rat AD model to study the effects of BSTSF on cognitive performance, and UPLC-MS/MS-based metabolomic and lipidomic analysis was further performed to identify significantly altered metabolites in the cerebral cortices of AD rats and determine the effects of BSTSF on the metabolomic and lipidomic profiles in the cerebral cortices of these animals. The results revealed that the levels of 47 metabolites and 30 lipids primarily associated with sphingolipid metabolism, glycerophospholipid metabolism, and linoleic acid metabolism were significantly changed in the cerebral cortices of AD rats. Among the altered lipids, ceramides, phosphatidylethanolamines, lysophosphatidylethanolamines, phosphatidylcholines, lysophosphatidylcholines, phosphatidylserines, sphingomyelins, and phosphatidylglycerols showed robust changes. Moreover, 34 differential endogenous metabolites and 21 lipids, of which the levels were mostly improved in the BSTSF treatment group, were identified as potential therapeutic targets of BSTSF against AD. Our results suggest that lipid metabolism is highly dysregulated in the cerebral cortices of AD rats, and BSTSF may exert its neuroprotective mechanisms by restoring metabolic balance, including that of sphingolipid metabolism, glycerophospholipid metabolism, alanine, aspartate, and glutamate metabolism, and D-glutamine and D-glutamate metabolism. Our data may lead to a deeper understanding of the AD-associated metabolic profile and shed new light on the mechanism underlying the therapeutic effects of BSTSF.
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Affiliation(s)
- Min Yi
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chunhu Zhang
- Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zheyu Zhang
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Pengji Yi
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Panpan Xu
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jianhua Huang
- Hunan Academy of Chinese Medicine, Changsha 410013, China
| | - Weijun Peng
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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29
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Blaszczyk A, Matysiak S, Kula J, Szostakiewicz K, Karkusiewicz Z. Cytotoxic and genotoxic effects of (R)- and (S)-ricinoleic acid derivatives. Chirality 2020; 32:998-1007. [PMID: 32250002 DOI: 10.1002/chir.23226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/17/2020] [Accepted: 03/24/2020] [Indexed: 01/08/2023]
Abstract
(R)-ricinoleic acid is the main component of castor oil from Ricinus communis L. Due to the presence of the hydroxyl group in homoallylic position and asymmetrically substituted carbon atom, it may undergo a number of chemical and biochemical transformations resulting in the products with some specific bioactivities. Conversion of (R)-ricinoleic acid into its (S)-enantiomer enables synthesis of both (R)- and (S)-ricinoleic acid derivatives and comparison of their biological activities. In the present research, (R)- and (S)-ricinoleic acid amides synthesized from methyl ricinoleates and ethanolamine or pyrrolidine as well as acetate derivatives of ethanolamine amides were studied to demonstrate their biological activities using HT29 cancer cells. Double staining of cells with fluorochromes (Hoechst 33258/propidium iodide) as well as 2,'7'-dichlorodihydrofluorescein (DCF) and comet assays were performed. Both the tested amides and acetates caused DNA damage and induced apoptotic and necrotic cell death. In the case of (R)- and (S)-enantiomers of one of the tested acetates, significant difference in the ability to induce DNA damage was observed, which showed the impact of the stereogenic center on the activities of these compounds.
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Affiliation(s)
- Alina Blaszczyk
- Laboratory of Cytogenetics, Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Sylwia Matysiak
- Faculty of Biotechnology and Food Sciences, Institute of General Food Chemistry, Lodz University of Technology, Lodz, Poland
| | - Jozef Kula
- Faculty of Biotechnology and Food Sciences, Institute of General Food Chemistry, Lodz University of Technology, Lodz, Poland
| | - Katarzyna Szostakiewicz
- Laboratory of Cytogenetics, Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Zaneta Karkusiewicz
- Laboratory of Cytogenetics, Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
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30
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n-3 Polyunsaturated Fatty Acid Amides: New Avenues in the Prevention and Treatment of Breast Cancer. Int J Mol Sci 2020; 21:ijms21072279. [PMID: 32224850 PMCID: PMC7178041 DOI: 10.3390/ijms21072279] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 12/24/2022] Open
Abstract
Over the last decades a renewed interest in n−3 very long polyunsaturated fatty acids (PUFAs), derived mainly from fish oils in the human diet, has been observed because of their potential effects against cancer diseases, including breast carcinoma. These n−3 PUFAs mainly consist of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) that, alone or in combination with anticancer agents, induce cell cycle arrest, autophagy, apoptosis, and tumor growth inhibition. A large number of molecular targets of n−3 PUFAs have been identified and multiple mechanisms appear to underlie their antineoplastic activities. Evidence exists that EPA and DHA also elicit anticancer effects by the conversion to their corresponding ethanolamide derivatives in cancer cells, by binding and activation of different receptors and distinct signaling pathways. Other conjugates with serotonin or dopamine have been found to exert anti-inflammatory activities in breast tumor microenvironment, indicating the importance of these compounds as modulators of tumor epithelial/stroma interplay. The objective of this review is to provide a general overview and an update of the current n−3 PUFA derivative research and to highlight intriguing aspects of the potential therapeutic benefits of these low-toxicity compounds in breast cancer treatment and care.
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31
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Fares IMZ, Mekky AEM, Elwahy AHM, Abdelhamid IA. Microwave-assisted three component synthesis of novel bis-fused quinazolin-8(4 H)-ones linked to aliphatic or aromatic spacer viaamide linkages. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1725575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | - Ahmed E. M. Mekky
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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32
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Anderson RL, Wallis DJ, Aguirre A, Holliday D, Merkler DJ. Knockdown of arylalkylamine N-acetyltransferase-like 2 in Drosophila melanogaster. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2019; 102:e21608. [PMID: 31385627 PMCID: PMC6834884 DOI: 10.1002/arch.21608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/11/2019] [Accepted: 07/14/2019] [Indexed: 06/10/2023]
Abstract
Drosophila melanogaster produces fatty acid amides, and thus, provides a model to unravel the pathways for their biosynthesis. We previously demonstrated that arylalkylamine N-acetyltransferase-like 2 (AANATL2) from D. melanogaster will catalyze the formation of long-chain N-acylserotonins and N-acyldopamines in vitro. Generating silencing RNA via the UAS/GAL4 bipartite approach for targeted gene expression effectively decreased the endogenous levels of the AANATL2 transcripts in D. melanogaster, as shown by reverse transcription quantitative polymerase chain reaction. Consistent with these data, western blot analysis of the offspring of the AANATL2 knockdown flies using an anti-AANATL2 antibody revealed a significant reduction in the expression of the AANATL2 protein. Reduced expression of AANATL2 decreased the cellular levels of N-palmitoyldopamine (PALDA), providing strong evidence that AANATL2 is responsible for the biosynthesis of PALDA in vivo. This is the first time that the expression of an AANAT has been reduced in D. melanogaster to link one of these enzymes to the in vivo production of an N-acylarylalkylamide.
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Affiliation(s)
- Ryan L Anderson
- Department of Chemistry, University of South Florida, Tampa, Florida
| | - Dylan J Wallis
- Department of Chemistry, University of South Florida, Tampa, Florida
| | - Alexander Aguirre
- Department of Chemistry, University of South Florida, Tampa, Florida
| | - Dean Holliday
- Department of Chemistry, University of South Florida, Tampa, Florida
| | - David J Merkler
- Department of Chemistry, University of South Florida, Tampa, Florida
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33
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Vozella V, Ahmed F, Choobchian P, Merrill CB, Zibardi C, Tarzia G, Mor M, Duranti A, Tontini A, Rivara S, Piomelli D. Pharmacokinetics, pharmacodynamics and safety studies on URB937, a peripherally restricted fatty acid amide hydrolase inhibitor, in rats. ACTA ACUST UNITED AC 2019; 71:1762-1773. [PMID: 31579946 DOI: 10.1111/jphp.13166] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 09/01/2019] [Indexed: 12/12/2022]
Abstract
OBJECTIVES URB937, a peripheral fatty acid amide hydrolase (FAAH) inhibitor, exerts profound analgesic effects in animal models. We examined, in rats, (1) the pharmacokinetic profile of oral URB937; (2) the compound's ability to elevate levels of the representative FAAH substrate, oleoylethanolamide (OEA); and (3) the compound's tolerability after oral administration. METHODS We developed a liquid chromatography/tandem mass spectrometry (LC/MS-MS) method to measure URB937 and used a pre-existing LC/MS-MS assay to quantify OEA. FAAH activity was measured using a radioactive substrate. The tolerability of single or repeated (once daily for 2 weeks) oral administration of supramaximal doses of URB937 (100, 300, 1000 mg/kg) was assessed by monitoring food intake, water intake and body weight, followed by post-mortem evaluation of organ structure. KEY FINDINGS URB937 was orally available in male rats (F = 36%), but remained undetectable in brain when administered at doses that maximally inhibit FAAH activity and elevate OEA in plasma and liver. Acute and subchronic treatment with high doses of URB937 was well-tolerated and resulted in FAAH inhibition in brain. CONCLUSIONS Pain remains a major unmet medical need. The favourable pharmacokinetic and pharmacodynamic properties of URB937, along with its tolerability, encourage further development studies on this compound.
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Affiliation(s)
- Valentina Vozella
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA
| | - Faizy Ahmed
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA
| | - Paoula Choobchian
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA
| | - Collin B Merrill
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA
| | - Cristina Zibardi
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA
| | - Giorgio Tarzia
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Marco Mor
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Andrea Duranti
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Andrea Tontini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Silvia Rivara
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Daniele Piomelli
- Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, CA, USA.,Department of Biological Chemistry, University of California, Irvine, Irvine, CA, USA.,Center for the Study of Cannabis, University of California, Irvine, Irvine, CA, USA
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34
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Singh VK, Pillai V, Patel SK, Buch L. Improving Cytotoxicity by Changing a Linker from Diphenylether to Diphenylmethane and now to Phenylene in Binuclear Dithiocarbamate Complexes: Synthesis and Cytotoxicity Study. ChemistrySelect 2019. [DOI: 10.1002/slct.201900938] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Vinay K Singh
- Department of ChemistryFaculty of ScienceThe M. S. University of Baroda Vadodara- 390 002 India
| | - Vineeta Pillai
- Department of ChemistryFaculty of ScienceThe M. S. University of Baroda Vadodara- 390 002 India
| | - Shailykumari K. Patel
- Department of ChemistryFaculty of ScienceThe M. S. University of Baroda Vadodara- 390 002 India
| | - Lipi Buch
- Department of ZoologyFaculty of ScienceThe M. S. University of Baroda Vadodara- 390 002 India
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35
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Production of Polyunsaturated Fatty Acids and Lipids from Autotrophic, Mixotrophic and Heterotrophic cultivation of Galdieria sp. strain USBA-GBX-832. Sci Rep 2019; 9:10791. [PMID: 31346188 PMCID: PMC6658668 DOI: 10.1038/s41598-019-46645-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 06/28/2019] [Indexed: 01/31/2023] Open
Abstract
A search for extremophile organisms producing bioactive compounds led us to isolate a microalga identified as Galdieria sp. USBA-GBX-832 from acidic thermal springs. We have cultured Galdieria sp. USBA-GBX-832 under autotrophic, mixotrophic and heterotrophic conditions and determined variations of its production of biomass, lipids and PUFAs. Greatest biomass and PUFA production occurred under mixotrophic and heterotrophic conditions, but the highest concentration of lipids occurred under autotrophic conditions. Effects of variations of carbon sources and temperature on biomass and lipid production were evaluated and factorial experiments were used to analyze the effects of substrate concentration, temperature, pH, and organic and inorganic nitrogen on biomass production, lipids and PUFAs. Production of biomass and lipids was significantly dependent on temperature and substrate concentration. Greatest accumulation of PUFAs occurred at the lowest temperature tested. PUFA profiles showed trace concentrations of arachidonic acid (C20:4) and eicosapentaenoic acid (C20:5). This is the first time synthesis of these acids has been reported in Galdieria. These findings demonstrate that under heterotrophic conditions this microalga’s lipid profile is significantly different from those observed in other species of this genus which indicates that the culture conditions evaluated are key determinants of these organisms’ responses to stress conditions and accumulation of these metabolites.
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36
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Matysiak S, Kula J, Błaszczyk A. Chiral amide derivatives of ricinoleic acid and 3-hydroxynonanoic acid synthesis and cytotoxic activity. Med Chem Res 2019. [DOI: 10.1007/s00044-019-02348-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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37
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Marcocci L, Suzuki YJ. Metabolomics Studies to Assess Biological Functions of Vitamin E Nicotinate. Antioxidants (Basel) 2019; 8:E127. [PMID: 31083512 PMCID: PMC6562962 DOI: 10.3390/antiox8050127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/28/2019] [Accepted: 05/06/2019] [Indexed: 12/22/2022] Open
Abstract
Vitamin E nicotinate (tocopherol nicotinate, tocopheryl nicotinate; TN) is an ester of two vitamins, tocopherol (vitamin E) and niacin (vitamin B3), in which niacin is linked to the hydroxyl group of active vitamin E. This vitamin E ester can be chemically synthesized and is used for supplementation. However, whether TN is formed in the biological system was unclear. Our laboratory previously detected TN in rat heart tissues, and its level was 30-fold lower in a failing heart (Wang et al., PLoS ONE 2017, 12, e0176887). The rat diet used in these experiments contained vitamin E acetate (tocopherol acetate; TA) and niacin separately, but not in the form of TN. Since only TN, but not other forms of vitamin E, was decreased in heart failure, the TN structure may elicit biologic functions independent of serving as a source of active vitamin E antioxidant. To test this hypothesis, the present study performed metabolomics to compare effects of TN on cultured cells to those of TA plus niacin added separately (TA + N). Human vascular smooth muscle cells were treated with TN or with TA + N (100 μM) for 10 min. Metabolite profiles showed that TN and TA + N influenced the cells differentially. TN effectively upregulated various primary fatty acid amides including arachidonoylethanoamine (anandamide/virodhamine) and palmitamide. TN also activated mitogen-activated protein kinases. These results suggest a new biological function of TN to elicit cell signaling.
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Affiliation(s)
- Lucia Marcocci
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, 00185 Rome, Italy.
| | - Yuichiro J Suzuki
- Department of Pharmacology and Physiology, Georgetown University Medical Center, Washington, DC 20057, USA.
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38
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Primary fatty amides in plasma associated with brain amyloid burden, hippocampal volume, and memory in the European Medical Information Framework for Alzheimer's Disease biomarker discovery cohort. Alzheimers Dement 2019; 15:817-827. [PMID: 31078433 PMCID: PMC6849698 DOI: 10.1016/j.jalz.2019.03.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 02/06/2019] [Accepted: 03/04/2019] [Indexed: 12/24/2022]
Abstract
Introduction: A critical and as-yet unmet need in Alzheimer’s disease (AD) is the discovery of peripheral small molecule biomarkers. Given that brain pathology precedes clinical symptom onset, we set out to test whether metabolites in blood associated with pathology as indexed by cerebrospinal fluid (CSF) AD biomarkers. Methods: This study analyzed 593 plasma samples selected from the European Medical Information Framework for Alzheimer’s Disease Multimodal Biomarker Discovery study, of individuals who were cognitively healthy (n = 242), had mild cognitive impairment (n = 236), or had AD-type dementia (n = 115). Logistic regressions were carried out between plasma metabolites (n = 883) and CSF markers, magnetic resonance imaging, cognition, and clinical diagnosis. Results: Eight metabolites were associated with amyloid b and one with t-tau in CSF, these were primary fatty acid amides (PFAMs), lipokines, and amino acids. From these, PFAMs, glutamate, and aspartate also associated with hippocampal volume and memory. Discussion: PFAMs have been found increased and associated with amyloid b burden in CSF and clinical measures.
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39
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Mostyn SN, Rawling T, Mohammadi S, Shimmon S, Frangos ZJ, Sarker S, Yousuf A, Vetter I, Ryan RM, Christie MJ, Vandenberg RJ. Development of an N-Acyl Amino Acid That Selectively Inhibits the Glycine Transporter 2 To Produce Analgesia in a Rat Model of Chronic Pain. J Med Chem 2019; 62:2466-2484. [PMID: 30714733 DOI: 10.1021/acs.jmedchem.8b01775] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Inhibitors that target the glycine transporter 2, GlyT2, show promise as analgesics, but may be limited by their toxicity through complete or irreversible binding. Acyl-glycine inhibitors, however, are selective for GlyT2 and have been shown to provide analgesia in animal models of pain with minimal side effects, but are comparatively weak GlyT2 inhibitors. Here, we modify the simple acyl-glycine by synthesizing lipid analogues with a range of amino acid head groups in both l- and d-configurations, to produce nanomolar affinity, selective GlyT2 inhibitors. The potent inhibitor oleoyl-d-lysine (33) is also resistant to degradation in both human and rat plasma and liver microsomes, and is rapidly absorbed following an intraperitoneal injection to rats and readily crosses the blood-brain barrier. We demonstrate that 33 provides greater analgesia at lower doses, and does not possess the severe side effects of the very slowly reversible GlyT2 inhibitor, ORG25543 (2).
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Affiliation(s)
- Shannon N Mostyn
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Tristan Rawling
- School of Mathematical and Physical Sciences, Faculty of Science , The University of Technology Sydney , Sydney , NSW 2007 , Australia
| | - Sarasa Mohammadi
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Susan Shimmon
- School of Mathematical and Physical Sciences, Faculty of Science , The University of Technology Sydney , Sydney , NSW 2007 , Australia
| | - Zachary J Frangos
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Subhodeep Sarker
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Arsalan Yousuf
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Irina Vetter
- Institute for Molecular Bioscience & School of Pharmacy , The University of Queensland , Brisbane , Qld 4072 , Australia
| | - Renae M Ryan
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Macdonald J Christie
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
| | - Robert J Vandenberg
- Discipline of Pharmacology, School of Medical Sciences , University of Sydney , Sydney , NSW 2006 , Australia
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40
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Zhou YD, Zheng YR, Ma J, Deng YH. Crystal structure of bis(perchlorato-κ 1
O)-bis(3,4,5-trimethoxy-N-(pyridin-2-yl)benzamide-κ 2
N, O)copper(II), C 32H 30Cl 2CuN 4O 16. Z KRIST-NEW CRYST ST 2018. [DOI: 10.1515/ncrs-2018-0213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C32H30Cl2CuN4O16, triclinic, P1̄ (no. 2), a = 9.3135(5) Å, b = 9.5191(7) Å, c = 11.5417(6) Å, α = 108.509(4)°, β = 109.572(4)°, γ = 97.511(4)°, V = 881.48(10) Å3, Z = 2, R
gt(F) = 0.0636, wR
ref(F
2) = 0.1844, T = 296(2) K.
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Affiliation(s)
- Ya-Dong Zhou
- Department of Chemistry , Capital Normal University , Beijing 100048 , P.R. China
| | - Yan-Rui Zheng
- Department of Chemistry , Capital Normal University , Beijing 100048 , P.R. China
| | - Jie Ma
- Department of Chemistry , Capital Normal University , Beijing 100048 , P.R. China
| | - Yu-Heng Deng
- Department of Chemistry , Capital Normal University , Beijing 100048 , P.R. China
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41
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Abstract
Fatty acid amides represent a diverse and underappreciated family of lipids found in vertebrates and invertebrates. The most recognized, most studied, and best understood members of the fatty acid amide family are N-arachidonoylethanolamine (anandamide) and oleamide. Over 70 other fatty acid amides have been identified from biological systems and these non-anandamide and non-oleamide fatty acid amides are not well understood: their cellular functions, transport, biosynthesis, and degradation are, at best, partially elucidated. Most of the fatty acid amides are “orphan” ligands for “orphan” or unknown receptors. Interest in the fatty acid amides will wane without a more complete understanding of their function in vivo and most of these lipids will be mentioned in a few sentences in reviews on ananamide and/or olemide. In this commentary, we suggest that one strategy to dramatically increase our understanding of any member of the fatty acid amide family is the design, synthesis, and proper use of binding-based profiling probes (BBPPs) based on the structure of a specific fatty acid amide. A BBPP is an analog of a fatty acid amide that enables the controlled covalent attachment of the probe to a fatty acid amide-binding protein and, also, possesses a chemical moiety that will allow the purification and/or detection of the BBPP-labeled proteins. The identification of the proteins that specifically bind a fatty acid amide will foster a better understanding of the function, transport, and metabolism of a fatty acid amide.
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Affiliation(s)
- David J Merkler
- Department of Chemistry, University of South Florida, Tampa, FL, USA
| | - James W Leahy
- Department of Chemistry, University of South Florida, Tampa, FL, USA.,Center for Drug Discovery and Innovation, University of South Florida, Tampa, FL USA.,Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL USA
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42
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Zbucka-Kretowska M, Zbucki R, Parfieniuk E, Maslyk M, Lazarek U, Miltyk W, Czerniecki J, Wolczynski S, Kretowski A, Ciborowski M. Evaluation of Bisphenol A influence on endocannabinoid system in pregnant women. CHEMOSPHERE 2018; 203:387-392. [PMID: 29627605 DOI: 10.1016/j.chemosphere.2018.03.195] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/29/2018] [Accepted: 03/29/2018] [Indexed: 06/08/2023]
Abstract
Bisphenol A (BPA) is a synthetic chemical widely used in the industry, which may potentially evoke negative effects on human health, especially on reproductive processes and fetal development. BPA has been reported to act on estrogen, estrogen-related, androgen, thyroid hormone, pregnane X, peroxisome proliferation-activated, and aryl hydrocarbon receptors. However, other potential mechanisms of BPA action on pregnancy cannot be excluded. Comprehensive evaluation of BPA effect on pregnant women can be performed by use of metabolomics. In the present study LC-MS-based plasma metabolomics was performed in the group of pregnant women with known concentrations of free, conjugated and total BPA. Significant positive correlations were observed between several endocannabinoids (fatty acid amides) and free (r = 0.307-0.557, p-value = 0.05-0.00002) and total (r = 0.413-0.519, p-value = 0.008-0.00006) BPA concentrations. Palmitoleamide was positively correlated with conjugated (r = 0.348, p-value = 0.05) while lysophosphatidylethanolamine 18:0 with free (r = 0.519, p-value = 0.00006) BPA concentration. The docking calculations of BPA and fatty acid amide hydrolase (enzyme degrading endocannabinoids, FAAH) indicated that it can act as a competitive inhibitor by blocking FAAH catalytic residues. In vitro study showed that BPA moderately inhibits FAAH activity (15% decrease for 200 ng mL-1 and almost 50% for 200 μg mL-1 of BPA). In the present study for the first time inhibitory potential of BPA on FAAH hydrolase is reported. Inhibition of FAAH may lead to a rise of plasma endocannabinoids level. BPA exposure and increased level of endocannabinoids are miscarriage risk factors. Based on obtained results it can be hypothesized that BPA may induce adverse pregnancy outcomes by acting on endocannabinoid system.
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Affiliation(s)
- Monika Zbucka-Kretowska
- Department of Reproduction and Gynaecological Endocrinology, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Robert Zbucki
- 1st Clinical Department of General and Endocrine Surgery, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Ewa Parfieniuk
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Maciej Maslyk
- Department of Molecular Biology, Institute of Biotechnology, The John Paul II Catholic University of Lublin, Konstantynow 1i, 20-708 Lublin, Poland
| | - Urszula Lazarek
- Department of Pharmaceutical Analysis, Medical University of Bialystok, Mickiewicza 2D, 15-522 Bialystok, Poland
| | - Wojciech Miltyk
- Department of Pharmaceutical Analysis, Medical University of Bialystok, Mickiewicza 2D, 15-522 Bialystok, Poland
| | - Jan Czerniecki
- Department of Reproduction and Gynaecological Endocrinology, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Slawomir Wolczynski
- Department of Reproduction and Gynaecological Endocrinology, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Adam Kretowski
- 1st Clinical Department of General and Endocrine Surgery, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Michal Ciborowski
- 1st Clinical Department of General and Endocrine Surgery, Medical University of Bialystok, Marii Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland.
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43
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Matysiak S, Zabielska J, Kula J, Kunicka-Styczyńska A. Synthesis of (R)- and (S)-Ricinoleic Acid Amides and Evaluation of Their Antimicrobial Activity. J AM OIL CHEM SOC 2018. [DOI: 10.1002/aocs.12013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sylwia Matysiak
- Institute of General Food Chemistry, Faculty of Biotechnology and Food Sciences; Lodz University of Technology, Stefanowskiego 4/10; 90-924 Łódź Poland
| | - Julia Zabielska
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences; Lodz University of Technology, Wólczańska 171/173; 90-924 Łódź Poland
| | - Józef Kula
- Institute of General Food Chemistry, Faculty of Biotechnology and Food Sciences; Lodz University of Technology, Stefanowskiego 4/10; 90-924 Łódź Poland
| | - Alina Kunicka-Styczyńska
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences; Lodz University of Technology, Wólczańska 171/173; 90-924 Łódź Poland
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44
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Hai Y, Tang Y. Biosynthesis of Long-Chain N-Acyl Amide by a Truncated Polyketide Synthase-Nonribosomal Peptide Synthetase Hybrid Megasynthase in Fungi. J Am Chem Soc 2018; 140:1271-1274. [PMID: 29343058 DOI: 10.1021/jacs.7b13350] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Truncated iterative polyketide synthase-nonribosomal peptide synthetase (PKS-NRPS) megasynthases in which only the C domain is present are widespread in fungi, yet nearly all members have unknown functions. Bioinformatics analysis showed that the C domains of such PKS-C enzymes are noncanonical due to substitution at the second histidine in the active site HHxxxDG motif. Here, we used genome mining strategy to characterize a cryptic PKS-C hybrid from Talaromyces wortmanii and discovered the products are reduced long-chain polyketides amidated with a specific ω-amino acid 5-aminopentanoic acid (5PA). The wortmanamides resemble long-chain N-acyl-amide signaling lipids that target diverse receptors including GPCRs. The noncanonical C domain of this PKS-C hybrid was also demonstrated to be a bona fide condensation domain that specifically selects 5PA and catalyzes amidation to release polyketide chain.
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Affiliation(s)
- Yang Hai
- Department of Chemical and Biomolecular Engineering, ‡Chemistry and Biochemistry, University of California, Los Angeles , Los Angeles, California 90095, United States
| | - Yi Tang
- Department of Chemical and Biomolecular Engineering, ‡Chemistry and Biochemistry, University of California, Los Angeles , Los Angeles, California 90095, United States
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45
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Matysiak S, Chmiel A, Skolimowski J, Kula J, Pasternak B, Blaszczyk A. Synthesis and cytotoxicity of (R)- and (S)-ricinoleic acid amides and their acetates. Chirality 2017; 29:616-622. [DOI: 10.1002/chir.22733] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 06/21/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Sylwia Matysiak
- Institute of General Food Chemistry; Lodz University of Technology, Faculty of Biotechnology and Food Sciences; Lodz Poland
| | - Agnieszka Chmiel
- Department of General Genetics, Molecular Biology and Plant Biotechnology, Laboratory of Cytogenetics; University of Lodz, Faculty of Biology and Environmental Protection; Lodz Poland
| | - Janusz Skolimowski
- Department of Analytical Biochemistry, University of Rzeszow, Faculty of Biology and Agriculture; Rzeszow Poland
| | - Jozef Kula
- Institute of General Food Chemistry; Lodz University of Technology, Faculty of Biotechnology and Food Sciences; Lodz Poland
| | - Beata Pasternak
- Department of Organic Chemistry; University of Lodz, Faculty of Chemistry; Lodz Poland
| | - Alina Blaszczyk
- Department of General Genetics, Molecular Biology and Plant Biotechnology, Laboratory of Cytogenetics; University of Lodz, Faculty of Biology and Environmental Protection; Lodz Poland
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46
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Phenacyl group containing amide derivative of dehydroabietylamine exhibiting enhanced cytotoxic activity against PLC and MCF7 cancer cell lines. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1859-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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47
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Manjarrez-Marmolejo J, Franco-Pérez J. Gap Junction Blockers: An Overview of their Effects on Induced Seizures in Animal Models. Curr Neuropharmacol 2017; 14:759-71. [PMID: 27262601 PMCID: PMC5050393 DOI: 10.2174/1570159x14666160603115942] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 02/26/2016] [Accepted: 04/21/2016] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Gap junctions are clusters of intercellular channels allowing the bidirectional pass of ions directly into the cytoplasm of adjacent cells. Electrical coupling mediated by gap junctions plays a role in the generation of highly synchronized electrical activity. The hypersynchronous neuronal activity is a distinctive characteristic of convulsive events. Therefore, it has been postulated that enhanced gap junctional communication is an underlying mechanism involved in the generation and maintenance of seizures. There are some chemical compounds characterized as gap junction blockers because of their ability to disrupt the gap junctional intercellular communication. OBJECTIVE Hence, the aim of this review is to analyze the available data concerning the effects of gap junction blockers specifically in seizure models. RESULTS Carbenoxolone, quinine, mefloquine, quinidine, anandamide, oleamide, heptanol, octanol, meclofenamic acid, niflumic acid, flufenamic acid, glycyrrhetinic acid and retinoic acid have all been evaluated on animal seizure models. In vitro, these compounds share anticonvulsant effects typically characterized by the reduction of both amplitude and frequency of the epileptiform activity induced in brain slices. In vivo, gap junction blockers modify the behavioral parameters related to seizures induced by 4-aminopyridine, pentylenetetrazole, pilocarpine, penicillin and maximal electroshock. CONCLUSION Although more studies are still required, these molecules could be a promising avenue in the search for new pharmaceutical alternatives for the treatment of epilepsy.
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Affiliation(s)
| | - Javier Franco-Pérez
- Laboratory of Physiology of Reticular Formation, National Institute of Neurology and Neurosurgery, M.V.S. Insurgentes Sur 3877, Col. La Fama, C.P. 14269, Mexico D.F., Mexico
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48
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Racovita RC, Jetter R. Composition of the epicuticular waxes coating the adaxial side of Phyllostachys aurea leaves: Identification of very-long-chain primary amides. PHYTOCHEMISTRY 2016; 130:252-261. [PMID: 27402630 DOI: 10.1016/j.phytochem.2016.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Revised: 06/05/2016] [Accepted: 06/13/2016] [Indexed: 06/06/2023]
Abstract
The present study presents comprehensive chemical analyses of cuticular wax mixtures of the bamboo Phyllostachys aurea. The epicuticular and intracuticular waxes were sampled selectively from the adaxial side of leaves on young and old plants and investigated by gas chromatography-mass spectrometry and flame ionization detection. The epi- and intracuticular layers on young and old leaves had wax loads ranging from 1.7 μg/cm(2) to 1.9 μg/cm(2). Typical very-long-chain aliphatic wax constituents were found with characteristic chain length patterns, including alkyl esters (primarily C48), alkanes (primarily C29), fatty acids (primarily C28 and C16), primary alcohols (primarily C28) and aldehydes (primarily C30). Alicyclic wax components were identified as tocopherols and triterpenoids, including substantial amounts of triterpenoid esters. Alkyl esters, alkanes, fatty acids and aldehydes were found in greater amounts in the epicuticular layer, while primary alcohols and most terpenoids accumulated more in the intracuticular wax. Alkyl esters occurred as mixtures of metamers, combining C20 alcohol with various acids into shorter ester homologs (C36C40), and a wide range of alcohols with C22 and C24 acids into longer esters (C42C52). Primary amides were identified, with a characteristic chain length profile peaking at C30. The amides were present exclusively in the epicuticular layer and thus at or near the surface, where they may affect plant-herbivore or plant-pathogen interactions.
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Affiliation(s)
- Radu C Racovita
- Department of Chemistry, The University of British Columbia, Vancouver, BC, V6T 1Z1, Canada
| | - Reinhard Jetter
- Department of Chemistry, The University of British Columbia, Vancouver, BC, V6T 1Z1, Canada; Department of Botany, The University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
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Maurer HH, Meyer MR. High-resolution mass spectrometry in toxicology: current status and future perspectives. Arch Toxicol 2016; 90:2161-2172. [PMID: 27369376 DOI: 10.1007/s00204-016-1764-1] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 06/14/2016] [Indexed: 10/21/2022]
Abstract
This paper reviews high-resolution mass spectrometry (HRMS) approaches using time-of-flight or Orbitrap techniques for research and application in various toxicology fields, particularly in clinical toxicology and forensic toxicology published since 2013 and referenced in PubMed. In the introduction, an overview on applications of HRMS in various toxicology fields is given with reference to current review articles. Papers concerning HRMS in metabolism, screening, and quantification of pharmaceuticals, drugs of abuse, and toxins in human body samples are critically reviewed. Finally, a discussion on advantages as well as limitations and future perspectives of these methods is included.
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Affiliation(s)
- H H Maurer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, 66421, Homburg, Saar, Germany.
| | - Markus R Meyer
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Heidelberg, Germany
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Helfer AG, Michely JA, Weber AA, Meyer MR, Maurer HH. LC-HR-MS/MS standard urine screening approach: Pros and cons of automated on-line extraction by turbulent flow chromatography versus dilute-and-shoot and comparison with established urine precipitation. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1043:138-149. [PMID: 27381570 DOI: 10.1016/j.jchromb.2016.06.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/31/2016] [Accepted: 06/20/2016] [Indexed: 11/19/2022]
Abstract
Comprehensive urine screening for drugs and metabolites by LC-HR-MS/MS using Orbitrap technology has been described with precipitation as simple workup. In order to fasten, automate, and/or simplify the workup, on-line extraction by turbulent flow chromatography and a dilute-and-shoot approach were developed and compared. After chromatographic separation within 10min, the Q-Exactive mass spectrometer was run in full scan mode with positive/negative switching and subsequent data dependent acquisition mode. The workup approaches were validated concerning selectivity, recovery, matrix effects, process efficiency, and limits of identification and detection for typical drug representatives and metabolites. The total workup time for on-line extraction was 6min, for the dilution approach 3min. For comparison, the established urine precipitation and evaporation lasted 10min. The validation results were acceptable. The limits for on-line extraction were comparable with those described for precipitation, but lower than for dilution. Thanks to the high sensitivity of the LC-HR-MS/MS system, all three workup approaches were sufficient for comprehensive urine screening and allowed fast, reliable, and reproducible detection of cardiovascular drugs, drugs of abuse, and other CNS acting drugs after common doses.
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Affiliation(s)
- Andreas G Helfer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, Homburg (Saar), Germany
| | - Julian A Michely
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, Homburg (Saar), Germany
| | - Armin A Weber
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, Homburg (Saar), Germany
| | - Markus R Meyer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, Homburg (Saar), Germany
| | - Hans H Maurer
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Saarland University, Homburg (Saar), Germany.
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