1
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Boufaied N, Chetta P, Hallal T, Cacciatore S, Lalli D, Luthold C, Homsy K, Imada EL, Syamala S, Photopoulos C, Di Matteo A, de Polo A, Storaci AM, Huang Y, Giunchi F, Sheridan PA, Michelotti G, Nguyen QD, Zhao X, Liu Y, Davicioni E, Spratt DE, Sabbioneda S, Maga G, Mucci LA, Ghigna C, Marchionni L, Butler LM, Ellis L, Bordeleau F, Loda M, Vaira V, Labbé DP, Zadra G. Obesogenic High-Fat Diet and MYC Cooperate to Promote Lactate Accumulation and Tumor Microenvironment Remodeling in Prostate Cancer. Cancer Res 2024; 84:1834-1855. [PMID: 38831751 PMCID: PMC11148549 DOI: 10.1158/0008-5472.can-23-0519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 12/29/2023] [Accepted: 04/05/2024] [Indexed: 06/05/2024]
Abstract
Cancer cells exhibit metabolic plasticity to meet oncogene-driven dependencies while coping with nutrient availability. A better understanding of how systemic metabolism impacts the accumulation of metabolites that reprogram the tumor microenvironment (TME) and drive cancer could facilitate development of precision nutrition approaches. Using the Hi-MYC prostate cancer mouse model, we demonstrated that an obesogenic high-fat diet (HFD) rich in saturated fats accelerates the development of c-MYC-driven invasive prostate cancer through metabolic rewiring. Although c-MYC modulated key metabolic pathways, interaction with an obesogenic HFD was necessary to induce glycolysis and lactate accumulation in tumors. These metabolic changes were associated with augmented infiltration of CD206+ and PD-L1+ tumor-associated macrophages (TAM) and FOXP3+ regulatory T cells, as well as with the activation of transcriptional programs linked to disease progression and therapy resistance. Lactate itself also stimulated neoangiogenesis and prostate cancer cell migration, which were significantly reduced following treatment with the lactate dehydrogenase inhibitor FX11. In patients with prostate cancer, high saturated fat intake and increased body mass index were associated with tumor glycolytic features that promote the infiltration of M2-like TAMs. Finally, upregulation of lactate dehydrogenase, indicative of a lactagenic phenotype, was associated with a shorter time to biochemical recurrence in independent clinical cohorts. This work identifies cooperation between genetic drivers and systemic metabolism to hijack the TME and promote prostate cancer progression through oncometabolite accumulation. This sets the stage for the assessment of lactate as a prognostic biomarker and supports strategies of dietary intervention and direct lactagenesis blockade in treating advanced prostate cancer. SIGNIFICANCE Lactate accumulation driven by high-fat diet and MYC reprograms the tumor microenvironment and promotes prostate cancer progression, supporting the potential of lactate as a biomarker and therapeutic target in prostate cancer. See related commentary by Frigo, p. 1742.
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Affiliation(s)
- Nadia Boufaied
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Paolo Chetta
- University of Milan, Residency Program in Pathology, Milan, Italy
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
| | - Tarek Hallal
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Anatomy and Cell Biology, McGill University, Montréal, Québec, Canada
| | - Stefano Cacciatore
- Bionformatics Unit, International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town, South Africa
| | - Daniela Lalli
- Department of Science and Technological Innovation, University of Piemonte Orientale “A. Avogadro,” Alessandria, Italy
| | - Carole Luthold
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
| | - Kevin Homsy
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
| | - Eddie L. Imada
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Sudeepa Syamala
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Cornelia Photopoulos
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Anna Di Matteo
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Anna de Polo
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | | | - Ying Huang
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Francesca Giunchi
- Pathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | | | | | - Quang-De Nguyen
- Department of Imaging, Lurie Family Imaging Center, Center for Biomedical Imaging in Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Xin Zhao
- Veracyte, South San Francisco, California
| | - Yang Liu
- Veracyte, South San Francisco, California
| | | | - Daniel E. Spratt
- Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Simone Sabbioneda
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Giovanni Maga
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Lorelei A. Mucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Claudia Ghigna
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
| | - Luigi Marchionni
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Lisa M. Butler
- South Australian Immunogenomics Cancer Institute and Freemasons Centre for Male Health and Wellbeing, University of Adelaide, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Leigh Ellis
- Department of Surgery, Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - François Bordeleau
- CHU de Québec-Université Laval Research Center (Oncology Division) and Cancer Research Center, Centre de Recherche en Organogénèse Expérimentale/LOEX, Université Laval, Québec, Canada
- Department of Molecular Biology, Clinical Biochemistry, and Pathology, Laval University, Québec, Canada
| | - Massimo Loda
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York Presbyterian-Weill Cornell Campus, New York, New York
| | - Valentina Vaira
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
- Division of Pathology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - David P. Labbé
- Cancer Research Program, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Anatomy and Cell Biology, McGill University, Montréal, Québec, Canada
- Division of Urology, Department of Surgery, McGill University, Montréal, Québec, Canada
| | - Giorgia Zadra
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
- Institute of Molecular Genetics, National Research Council (CNR-IGM), Pavia, Italy
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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2
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Al Bataineh MT, Künstner A, Dash NR, Alsafar HS, Ragab M, Schmelter F, Sina C, Busch H, Ibrahim SM. Uncovering the relationship between gut microbial dysbiosis, metabolomics, and dietary intake in type 2 diabetes mellitus and in healthy volunteers: a multi-omics analysis. Sci Rep 2023; 13:17943. [PMID: 37863978 PMCID: PMC10589304 DOI: 10.1038/s41598-023-45066-7] [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: 02/17/2023] [Accepted: 10/15/2023] [Indexed: 10/22/2023] Open
Abstract
Type 2 Diabetes Mellitus has reached epidemic levels globally, and several studies have confirmed a link between gut microbial dysbiosis and aberrant glucose homeostasis among people with diabetes. While the assumption is that abnormal metabolomic signatures would often accompany microbial dysbiosis, the connection remains largely unknown. In this study, we investigated how diet changed the gut bacteriome, mycobiome and metabolome in people with and without type 2 Diabetes.1 Differential abundance testing determined that the metabolites Propionate, U8, and 2-Hydroxybutyrate were significantly lower, and 3-Hydroxyphenyl acetate was higher in the high fiber diet compared to low fiber diet in the healthy control group. Next, using multi-omics factor analysis (MOFA2), we attempted to uncover sources of variability that drive each of the different groups (bacterial, fungal, and metabolite) on all samples combined (control and DM II). Performing variance decomposition, ten latent factors were identified, and then each latent factor was tested for significant correlations with age, BMI, diet, and gender. Latent Factor1 was the most significantly correlated. Remarkably, the model revealed that the mycobiome explained most of the variance in the DM II group (12.5%) whereas bacteria explained most of the variance in the control group (64.2% vs. 10.4% in the DM II group). The latent Factor1 was significantly correlated with dietary intake (q < 0.01). Further analyses of the impact of bacterial and fungal genera on Factor1 determined that the nine bacterial genera (Phocaeicola, Ligilactobacillus, Mesosutterella, Acidaminococcus, Dorea A, CAG-317, Caecibacter, Prevotella and Gemmiger) and one fungal genus (Malassezia furfur) were found to have high factor weights (absolute weight > 0.6). Alternatively, a linear regression model was fitted per disease group for each genus to visualize the relationship between the factor values and feature abundances, showing Xylose with positive weights and Propionate, U8, and 2-Hydroxybutyrate with negative weights. This data provides new information on the microbially derived changes that influence metabolic phenotypes in response to different diets and disease conditions in humans.
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Affiliation(s)
- Mohammad Tahseen Al Bataineh
- Department of Genetics and Molecular Biology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE.
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, UAE.
| | - Axel Künstner
- Lübeck Institute of Experimental Dermatology, University of Lübeck, 23562, Lübeck, Germany
- Institute for Cardiogenetics, University of Lübeck, 23562, Lübeck, Germany
| | - Nihar Ranjan Dash
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, UAE
| | - Habiba S Alsafar
- Department of Genetics and Molecular Biology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, UAE
| | - Mohab Ragab
- Institute of Nutritional Medicine, University of Lübeck, Lübeck, Germany
| | | | - Christian Sina
- Institute of Nutritional Medicine, University of Lübeck, Lübeck, Germany
| | - Hauke Busch
- Lübeck Institute of Experimental Dermatology, University of Lübeck, 23562, Lübeck, Germany.
- Institute for Cardiogenetics, University of Lübeck, 23562, Lübeck, Germany.
| | - Saleh Mohamed Ibrahim
- Department of Genetics and Molecular Biology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, UAE.
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, UAE.
- Lübeck Institute of Experimental Dermatology, University of Lübeck, 23562, Lübeck, Germany.
- Institute of Nutritional Medicine, University of Lübeck, Lübeck, Germany.
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3
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Urinary Metabolomics Study on the Protective Role of Cocoa in Zucker Diabetic Rats via 1H-NMR-Based Approach. Nutrients 2022; 14:nu14194127. [PMID: 36235779 PMCID: PMC9572671 DOI: 10.3390/nu14194127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/19/2022] Open
Abstract
Cocoa constitutes one of the richest sources of dietary flavonoids with demonstrated anti-diabetic potential. However, the metabolic impact of cocoa intake in a diabetic context remains unexplored. In this study, metabolomics tools have been used to investigate the potential metabolic changes induced by cocoa in type 2 diabetes (T2D). To this end, male Zucker diabetic fatty rats were fed on standard (ZDF) or 10% cocoa-rich diet (ZDF-C) from week 10 to 20 of life. Cocoa supplementation clearly decreased serum glucose levels, improved glucose metabolism and produced significant changes in the urine metabolome of ZDF animals. Fourteen differential urinary metabolites were identified, with eight of them significantly modified by cocoa. An analysis of pathways revealed that butanoate metabolism and the synthesis and degradation of branched-chain amino acids and ketone bodies are involved in the beneficial impact of cocoa on diabetes. Moreover, correlation analysis indicated major associations between some of these urine metabolites (mainly valine, leucine, and isoleucine) and body weight, glycemia, insulin sensitivity, and glycated hemoglobin levels. Overall, this untargeted metabolomics approach provides a clear metabolic fingerprint associated to chronic cocoa intake that can be used as a marker for the improvement of glucose homeostasis in a diabetic context.
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4
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Loo RL, Chan Q, Nicholson JK, Holmes E. Balancing the Equation: A Natural History of Trimethylamine and Trimethylamine- N-oxide. J Proteome Res 2022; 21:560-589. [PMID: 35142516 DOI: 10.1021/acs.jproteome.1c00851] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Trimethylamine (TMA) and its N-oxide (TMAO) are ubiquitous in prokaryote and eukaryote organisms as well as in the environment, reflecting their fundamental importance in evolutionary biology, and their diverse biochemical functions. Both metabolites have multiple biological roles including cell-signaling. Much attention has focused on the significance of serum and urinary TMAO in cardiovascular disease risk, yet this is only one of the many facets of a deeper TMA-TMAO partnership that reflects the significance of these metabolites in multiple biological processes spanning animals, plants, bacteria, and fungi. We report on analytical methods for measuring TMA and TMAO and attempt to critically synthesize and map the global functions of TMA and TMAO in a systems biology framework.
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Affiliation(s)
- Ruey Leng Loo
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia
| | - Queenie Chan
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, United Kingdom.,MRC Centre for Environment and Health, School of Public Health, Imperial College London, London W2 1PG, United Kingdom
| | - Jeremy K Nicholson
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,Institute of Global Health Innovation, Imperial College London, Level 1, Faculty Building, South Kensington Campus, London SW7 2NA, United Kingdom
| | - Elaine Holmes
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,Nutrition Research, Department of Metabolism, Nutrition and Reproduction, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
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5
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Lerink LJS, de Kok MJC, Mulvey JF, Le Dévédec SE, Markovski AA, Wüst RCI, Alwayn IPJ, Ploeg RJ, Schaapherder AFM, Bakker JA, Lindeman JHN. Preclinical models versus clinical renal ischemia reperfusion injury: A systematic review based on metabolic signatures. Am J Transplant 2022; 22:344-370. [PMID: 34657378 PMCID: PMC9298342 DOI: 10.1111/ajt.16868] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 10/12/2021] [Accepted: 10/12/2021] [Indexed: 01/25/2023]
Abstract
Despite decennia of research and numerous successful interventions in the preclinical setting, renal ischemia reperfusion (IR) injury remains a major problem in clinical practice, pointing toward a translational gap. Recently, two clinical studies on renal IR injury (manifested either as acute kidney injury or as delayed graft function) identified metabolic derailment as a key driver of renal IR injury. It was reasoned that these unambiguous metabolic findings enable direct alignment of clinical with preclinical data, thereby providing the opportunity to elaborate potential translational hurdles between preclinical research and the clinical context. A systematic review of studies that reported metabolic data in the context of renal IR was performed according to the PRISMA guidelines. The search (December 2020) identified 35 heterogeneous preclinical studies. The applied methodologies were compared, and metabolic outcomes were semi-quantified and aligned with the clinical data. This review identifies profound methodological challenges, such as the definition of IR injury, the follow-up time, and sampling techniques, as well as shortcomings in the reported metabolic information. In light of these findings, recommendations are provided in order to improve the translatability of preclinical models of renal IR injury.
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Affiliation(s)
- Lente J. S. Lerink
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Transplant CenterLeiden University Medical CenterLeidenThe Netherlands
| | - Michèle J. C. de Kok
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Transplant CenterLeiden University Medical CenterLeidenThe Netherlands
| | - John F. Mulvey
- Nuffield Department of Surgical SciencesUniversity of OxfordOxfordUK
| | - Sylvia E. Le Dévédec
- Department of Division of ToxicologyLeiden Academic Center for Drug ResearchLeiden UniversityLeidenThe Netherlands
| | | | - Rob C. I. Wüst
- Laboratory for MyologyFaculty of Behavioral and Movement SciencesAmsterdam Movement SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Ian P. J. Alwayn
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Transplant CenterLeiden University Medical CenterLeidenThe Netherlands
| | - Rutger J. Ploeg
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Nuffield Department of Surgical SciencesUniversity of OxfordOxfordUK
| | - Alexander F. M. Schaapherder
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Transplant CenterLeiden University Medical CenterLeidenThe Netherlands
| | - Jaap A. Bakker
- Department of Clinical ChemistryLeiden University Medical CenterLeidenThe Netherlands,Present address:
Laboratory Genetic Metabolic DiseasesAmsterdam Medical CenterAmsterdamThe Netherlands
| | - Jan H. N. Lindeman
- Department of SurgeryLeiden University Medical CenterLeidenThe Netherlands,Transplant CenterLeiden University Medical CenterLeidenThe Netherlands
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6
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Ma C, He J, Lai L, Chen Y, Xue W, Chen J, Dai W, Tang D, Yan Q, Dai Y. Intestinal microbiome and metabolome analyses reveal metabolic disorders in the early stage of renal transplantation. Mol Omics 2021; 17:985-996. [PMID: 34676841 DOI: 10.1039/d1mo00279a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Renal transplantation is the most effective treatment for end-stage renal disease, but the long-term prognosis of organs after transplantation is not ideal. In recent years, the importance of gut microbes and metabolites in the study of disease mechanisms has gradually received attention. However, the coordination between gut microbes and the metabolism of renal transplant patients needs further study. We integrated 16s sequencing and metabolomics data to describe the changes in the serum and fecal metabolites of renal transplant patients. Our data revealed that the gut microbial diversity decreased and the relative abundance of many bacteria, such as Enterococcus and Streptococcus, significantly changed after transplantation. In addition, a large number of amino acids and peptides in serum and feces significantly changed, suggesting an abnormal amino acid metabolism after transplantation. Spearman's correlation analysis revealed the changes in the co-metabolism pattern between gut microbes and the host metabolism after transplantation. Furthermore, Enterococcus was found to be correlated with renal functions and metabolites reflecting renal damage. This study provides potential gut microbes and metabolites impacting renal health, which helps in understanding the renal damage in patients with kidney transplantation.
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Affiliation(s)
- Chiyu Ma
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China. .,Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Jingquan He
- Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Liusheng Lai
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China.
| | - Yumei Chen
- Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Wen Xue
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China.
| | - Jieping Chen
- Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Weier Dai
- College of Natural Science, University of Texas at Austin, Austin, Texas, 78712, USA
| | - Donge Tang
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China. .,Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Qiang Yan
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China.
| | - Yong Dai
- Guangxi Key Laboratory of Metabolic Disease Research, Nephrology Department, Central Laboratory of Guilin, NO. 924 Hospital, Guilin, 541002, China. .,Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen 518020, China
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7
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Serum Metabolomic and Lipoprotein Profiling of Pancreatic Ductal Adenocarcinoma Patients of African Ancestry. Metabolites 2021; 11:metabo11100663. [PMID: 34677378 PMCID: PMC8540259 DOI: 10.3390/metabo11100663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/06/2021] [Accepted: 09/08/2021] [Indexed: 12/12/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a lethal cancer with a characteristic dysregulated metabolism. Abnormal clinicopathological features linked to defective metabolic and inflammatory response pathways can induce PDAC development and progression. In this study, we investigated the metabolites and lipoproteins profiles of PDAC patients of African ancestry. Nuclear Magnetic Resonance (NMR) spectroscopy was conducted on serum obtained from consenting individuals (34 PDAC, 6 Chronic Pancreatitis, and 6 healthy participants). Seventy-five signals were quantified from each NMR spectrum. The Liposcale test was used for lipoprotein characterization. Spearman's correlation and Kapan Meier tests were conducted for correlation and survival analyses, respectively. In our patient cohort, the results demonstrated that levels of metabolites involved in the glycolytic pathway increased with the tumour stage. Raised ethanol and 3-hydroxybutyrate were independently correlated with a shorter patient survival time, irrespective of tumour stage. Furthermore, increased levels of bilirubin resulted in an abnormal lipoprotein profile in PDAC patients. Additionally, we observed that the levels of a panel of metabolites (such as glucose and lactate) and lipoproteins correlated with those of inflammatory markers. Taken together, the metabolic phenotype can help distinguish PDAC severity and be used to predict patient survival and inform treatment intervention.
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8
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Wang YY, Zhou N, Si YP, Bai ZY, Li M, Feng WS, Zheng XK. A UPLC-Q-TOF/MS-Based Metabolomics Study on the Effect of Corallodiscus flabellatus (Craib) B. L. Burtt Extract on Alzheimer's Disease. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:8868690. [PMID: 34135987 PMCID: PMC8177975 DOI: 10.1155/2021/8868690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 05/16/2021] [Indexed: 11/24/2022]
Abstract
A UPLC-Q-TOF/MS-based metabolomics study was carried out to explore the intervening mechanism of Corallodiscus flabellatus (Craib) B. L. Burtt (CF) extract on Alzheimer's disease (AD). The AD model group consisted of senescence-accelerated mouse prone 8 (SAMP8) mice, and the control group consisted of senescence-accelerated mouse resistant 1 (SAMR1) mice. UPLC-Q-TOF/MS detection, multivariate statistical analysis, and pathway enrichment were jointly performed to research the change in metabolite profiling in the urine of AD mice. The result suggested that the metabolite profiling of SAMP8 mice significantly changed at the sixth month compared with SAMR1 mice of the same age, and the principal component analysis (PCA) score scatter plots of the CF group closely resembled those of the control and positive drug (huperzine A, HA) group. A total of 28 metabolites were considered potential biomarkers associated with the metabolism of beta-alanine, glycine, serine, threonine, cysteine, methionine, arginine, proline, and purines in AD mice. Furthermore, the CF group was clustered with the control and positive group and was clearly separated from the model group in the heat map. In conclusion, significant anti-AD effects were firstly observed in mice after treatment with the CF extract, and the urinary metabolomics approach assisted with dissecting the underlying mechanism.
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Affiliation(s)
- Yang-Yang Wang
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
- Key Laboratory of Chinese Materia Medica Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, Heilongjiang, China
| | - Ning Zhou
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
| | - Yan-Po Si
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
| | - Zhi-Yao Bai
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
| | - Meng Li
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
| | - Wei-Sheng Feng
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
| | - Xiao-Ke Zheng
- Henan University of Chinese Medicine, 156 Jinshui East Road, Zhengzhou 450046, China
- The Engineering and Technology Center for Chinese Medicine Development of Henan Province, 156 Jinshui East Road, Zhengzhou 450046, China
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9
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Kvietkauskas M, Zitkute V, Leber B, Strupas K, Stiegler P, Schemmer P. The Role of Metabolomics in Current Concepts of Organ Preservation. Int J Mol Sci 2020; 21:ijms21186607. [PMID: 32927605 PMCID: PMC7555311 DOI: 10.3390/ijms21186607] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/16/2022] Open
Abstract
In solid organ transplantation (Tx), both survival rates and quality of life have improved dramatically over the last few decades. Each year, the number of people on the wait list continues to increase, widening the gap between organ supply and demand. Therefore, the use of extended criteria donor grafts is growing, despite higher susceptibility to ischemia-reperfusion injury (IRI) and consecutive inferior Tx outcomes. Thus, tools to characterize organ quality prior to Tx are crucial components for Tx success. Innovative techniques of metabolic profiling revealed key pathways and mechanisms involved in IRI occurring during organ preservation. Although large-scale trials are needed, metabolomics appears to be a promising tool to characterize potential biomarkers, for the assessment of graft quality before Tx and evaluate graft-related outcomes. In this comprehensive review, we summarize the currently available literature on the use of metabolomics in solid organ Tx, with a special focus on metabolic profiling during graft preservation to assess organ quality prior to Tx.
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Affiliation(s)
- Mindaugas Kvietkauskas
- General, Visceral and Transplant Surgery, Department of Surgery, Medical University of Graz, Auenbruggerpl. 2, Graz 8036, Austria; (M.K.); (V.Z.); (B.L.); (P.S.)
- Faculty of Medicine, Vilnius University, M. K. Ciurlionio 21, 03101 Vilnius, Lithuania;
| | - Viktorija Zitkute
- General, Visceral and Transplant Surgery, Department of Surgery, Medical University of Graz, Auenbruggerpl. 2, Graz 8036, Austria; (M.K.); (V.Z.); (B.L.); (P.S.)
- Faculty of Medicine, Vilnius University, M. K. Ciurlionio 21, 03101 Vilnius, Lithuania;
| | - Bettina Leber
- General, Visceral and Transplant Surgery, Department of Surgery, Medical University of Graz, Auenbruggerpl. 2, Graz 8036, Austria; (M.K.); (V.Z.); (B.L.); (P.S.)
| | - Kestutis Strupas
- Faculty of Medicine, Vilnius University, M. K. Ciurlionio 21, 03101 Vilnius, Lithuania;
| | - Philipp Stiegler
- General, Visceral and Transplant Surgery, Department of Surgery, Medical University of Graz, Auenbruggerpl. 2, Graz 8036, Austria; (M.K.); (V.Z.); (B.L.); (P.S.)
- Correspondence: ; Tel.: +43-316-385-84094
| | - Peter Schemmer
- General, Visceral and Transplant Surgery, Department of Surgery, Medical University of Graz, Auenbruggerpl. 2, Graz 8036, Austria; (M.K.); (V.Z.); (B.L.); (P.S.)
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Stryjak I, Warmuzińska N, Bogusiewicz J, Łuczykowski K, Bojko B. Monitoring of the influence of long-term oxidative stress and ischemia on the condition of kidneys using solid-phase microextraction chemical biopsy coupled with liquid chromatography-high-resolution mass spectrometry. J Sep Sci 2020; 43:1867-1878. [PMID: 32068348 DOI: 10.1002/jssc.202000032] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/11/2020] [Accepted: 02/11/2020] [Indexed: 12/28/2022]
Abstract
The limiting factor in conventional quality assessments of transplanted organs, namely the invasiveness of tissue sample collection, has prompted much research on the field of transplantology to focus on the development of alternative evaluation methods of organ quality. In the present project, we undertake the challenge to address the need for a new analytical solution for graft quality assessments by using a novel metabolomic diagnostic protocol based on low-invasive solid-phase microextraction. Solid-phase microextraction probes of ca. 0.2 mm coated with 4 mm long mixed-mode extraction phase were inserted into rabbit kidneys immediately following euthanasia and after 2, 4, 6, and 21 h of preservation. Liquid chromatography-mass spectrometry analysis of the extracts was performed with the use of a reversed phase column and a Q-Exactive Focus mass spectrometer operated in positive ionization mode. Statistical analysis of significantly changing compounds revealed metabolic profile changes in kidneys induced by ischemia and oxidative stress as a function of the duration of cold storage. The most pronounced alterations were reflected in levels of essential amino acids and purine nucleosides. Our findings demonstrate that the proposed approach may be successfully used to monitor changes in the metabolic profile of organs over time of preservation.
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Affiliation(s)
- Iga Stryjak
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Natalia Warmuzińska
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Joanna Bogusiewicz
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Kamil Łuczykowski
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
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11
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He Y, Wang Y, Liu S, Pi Z, Liu Z, Xing J, Zhou H. A metabolomic study of the urine of rats with Alzheimer's disease and the efficacy of Ding‐Zhi‐Xiao‐Wan on the afflicted rats. J Sep Sci 2020; 43:1458-1465. [DOI: 10.1002/jssc.201900944] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 01/20/2020] [Accepted: 02/04/2020] [Indexed: 11/06/2022]
Affiliation(s)
- Yang He
- School of Pharmacy and Food ScienceZhuhai College of Jilin University Zhuhai P. R. China
| | - Yimin Wang
- School of Pharmacy and Food ScienceZhuhai College of Jilin University Zhuhai P. R. China
| | - Shu Liu
- National Center of Mass Spectrometry in Changchun and Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass SpectrometryChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun P. R. China
| | - Zifeng Pi
- National Center of Mass Spectrometry in Changchun and Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass SpectrometryChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun P. R. China
| | - Zhiqiang Liu
- National Center of Mass Spectrometry in Changchun and Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass SpectrometryChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun P. R. China
| | - Junpeng Xing
- National Center of Mass Spectrometry in Changchun and Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass SpectrometryChangchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun P. R. China
| | - Hui Zhou
- School of Pharmacy and Food ScienceZhuhai College of Jilin University Zhuhai P. R. China
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12
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Basoglu A, Baspinar N, Tenori L, Licari C, Gulersoy E. Nuclear magnetic resonance (NMR)-based metabolome profile evaluation in dairy cows with and without displaced abomasum. Vet Q 2020; 40:1-15. [PMID: 31858882 PMCID: PMC6968509 DOI: 10.1080/01652176.2019.1707907] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background Displaced abomasum (DA) is a condition of dairy cows that severely impacts animal welfare and causes huge economic losses. Objective To assess the metabolic status of the disease using metabolomics in serum, urine and liver samples aimed at both water soluble and lipid soluble fractions. Methods Fifty Holstein multiparous cows with DA (42 left, 8 right) and 20 clinically healthy Holstein multiparous cows were used. Left DA was associated with concomitant ketosis in 19 animals and right in two. NMR-based metabolomics approach and hematological and biochemical analyses were performed. Statistical analysis was carried out on 1H-NMR data after they have been normalized using PQN method. Results Contrary to generated PCA score plots the OPLS-supervised method revealed differences between healthy animals and diseased ones based on serum water-soluble samples. While water and lipid soluble metabolites decreased in serum samples, fatty acid fractions and cholesterol were increased in liver samples in DA affected cows. The metabolomic and chemical profiles clearly revealed that cows with DA (especially with LDA) were at risk of ketosis and fatty liver. Serum hippuric acid concentration was significantly higher in healthy cows in comparison with LDA, whereas serum glycine concentration was reported higher for healthy when compared to RDA affected animals. Conclusion A biochemical network and pathway mapping revealed ‘valine, leucine and isoleucine biosynthesis’ and ‘phenylalanine, tyrosine and tryptophan biosynthesis’ as the most probable altered metabolic pathway in DA condition. Serum was advocated as the optimal biological matrix for the 1H-NMR analysis.
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Affiliation(s)
- Abdullah Basoglu
- Department of Internal Medicine, Faculty of Veterinary Medicine, Selcuk University, Selcuklu, Konya, Turkey
| | - Nuri Baspinar
- Department of Biochemistry, Faculty of Veterinary Medicine, Selcuk University, Selcuklu, Konya, Turkey
| | - Leonardo Tenori
- Interuniversitary Consortium for Magnetic Resonance of Metalloproteins (C.I.R.M.M.P.), Sesto Fiorentino (Florence), Italy
| | - Cristina Licari
- Magnetic Resonance Center (CERM), University of Florence, Sesto Fiorentino (FI), Italy
| | - Erdem Gulersoy
- Department of Internal Medicine, Faculty of Veterinary Medicine, Selcuk University, Selcuklu, Konya, Turkey
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Hanifa MA, Skott M, Maltesen RG, Rasmussen BS, Nielsen S, Frøkiær J, Ring T, Wimmer R. Tissue, urine and blood metabolite signatures of chronic kidney disease in the 5/6 nephrectomy rat model. Metabolomics 2019; 15:112. [PMID: 31422467 DOI: 10.1007/s11306-019-1569-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 07/22/2019] [Indexed: 01/21/2023]
Abstract
INTRODUCTION Progressive chronic kidney disease (CKD) is an important cause of morbidity and mortality. It has a long asymptomatic phase, where routine blood tests cannot identify early functional losses, and therefore identifying common mechanisms across the many etiologies is an important goal. OBJECTIVES Our aim was to characterize serum, urine and tissue (kidney, lung, heart, spleen and liver) metabolomics changes in a rat model of CKD. METHODS A total of 17 male Wistar rats underwent 5/6 nephrectomy, whilst 13 rats underwent sham operation. Urine samples were collected weekly, for 6 weeks; blood was collected at weeks 0, 3 and 6; and tissue samples were collected at week 6. Samples were analyzed on a nuclear magnetic resonance spectroscopy platform with multivariate and univariate data analysis. RESULTS Changes in several metabolites were statistically significant. Allantoin was affected in all compartments. Renal asparagine, creatine, hippurate and trimethylamine were significantly different; in other tissues creatine, dimethylamine, dimethylglycine, trigonelline and trimethylamine were significant. Benzoate, citrate, dimethylglycine, fumarate, guanidinoacetate, malate, myo-inositol and oxoglutarate were altered in urine or serum. CONCLUSION Although the metabolic picture is complex, we suggest oxidative stress, the gut-kidney axis, acid-base balance, and energy metabolism as promising areas for future investigation.
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Affiliation(s)
- Munsoor A Hanifa
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220, Aalborg, Denmark
- Department of Anaesthesia and Intensive Care Medicine, Aalborg University Hospital, 9000, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark
| | - Martin Skott
- Department of Urology, Aarhus University Hospital, 8250, Aarhus N, Denmark
| | - Raluca G Maltesen
- Department of Anaesthesia and Intensive Care Medicine, Aalborg University Hospital, 9000, Aalborg, Denmark
| | - Bodil S Rasmussen
- Department of Anaesthesia and Intensive Care Medicine, Aalborg University Hospital, 9000, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark
| | | | - Jørgen Frøkiær
- Department of Clinical Medicine, Aarhus University, 8200, Aarhus N, Denmark
| | - Troels Ring
- Department of Biomedicine, Aarhus University, 8000, Aarhus C, Denmark
- Department of Critical Care Medicine, The Center for Critical Care Nephrology, University of Pittsburgh, Pittsburg, PA, 15261, USA
| | - Reinhard Wimmer
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220, Aalborg, Denmark.
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Phillips IR, Shephard EA. Flavin-containing monooxygenase 3 (FMO3): genetic variants and their consequences for drug metabolism and disease. Xenobiotica 2019; 50:19-33. [DOI: 10.1080/00498254.2019.1643515] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ian R. Phillips
- Research Department of Structural and Molecular Biology, University College London, London, UK
- School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
| | - Elizabeth A. Shephard
- Research Department of Structural and Molecular Biology, University College London, London, UK
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Dobberthien BJ, Volotovskyy V, Tessier AG, Yahya A. Magnetic resonance spectroscopy of rat kidney
in vivo
at 9.4 T. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/ab3090] [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]
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16
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Stabinska J, Neudecker P, Ljimani A, Wittsack H, Lanzman RS, Müller‐Lutz A. Proton exchange in aqueous urea solutions measured by water‐exchange (WEX) NMR spectroscopy and chemical exchange saturation transfer (CEST) imaging in vitro. Magn Reson Med 2019; 82:935-947. [DOI: 10.1002/mrm.27778] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 03/06/2019] [Accepted: 03/28/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Julia Stabinska
- Department of Diagnostic and Interventional Radiology, Medical Faculty Heinrich Heine University Düsseldorf Dusseldorf Germany
| | - Philipp Neudecker
- Institute of Physical Biology Heinrich Heine University Düsseldorf Dusseldorf Germany
- Institute of Complex Systems: Structural Biochemistry (ICS‐6), Forschungszentrum Jülich Julich Germany
| | - Alexandra Ljimani
- Department of Diagnostic and Interventional Radiology, Medical Faculty Heinrich Heine University Düsseldorf Dusseldorf Germany
| | - Hans‐Jörg Wittsack
- Department of Diagnostic and Interventional Radiology, Medical Faculty Heinrich Heine University Düsseldorf Dusseldorf Germany
| | - Rotem Shlomo Lanzman
- Department of Diagnostic and Interventional Radiology, Medical Faculty Heinrich Heine University Düsseldorf Dusseldorf Germany
| | - Anja Müller‐Lutz
- Department of Diagnostic and Interventional Radiology, Medical Faculty Heinrich Heine University Düsseldorf Dusseldorf Germany
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17
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El-Deeb OS, Atef MM, Hafez YM. The interplay between microbiota-dependent metabolite trimethylamine N-oxide, Transforming growth factor β/SMAD signaling and inflammasome activation in chronic kidney disease patients: A new mechanistic perspective. J Cell Biochem 2019; 120:14476-14485. [PMID: 31002427 DOI: 10.1002/jcb.28707] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/15/2019] [Accepted: 01/24/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) signifies a frequently life-threatening condition influencing kidney structure and function. Despite its irrefutable importance, its exact pathogenesis is not completely clarified. However, CKD is known to be associated with accumulated uremic toxins/metabolites, interstitial fibrosis, and systemic inflammation. So we aimed to investigate the role of microbiota-dependent metabolite trimethylamine N-oxide (TMAO), transforming growth factor β (TGFβ)/SMAD signaling, and inflammasome activation in CKD pathogenesis through its different stages. SUBJECTS AND METHODS Eighty patients with CKD of stages 2 to 4 in addition 15 healthy control subjects were enrolled. SMAD3 and nucleotide-binding oligomerization domain-, leucine-rich repeat- and pyrin domain-containing 3 (NLRP3) messenger RNA (mRNA) expressions from whole blood were assessed by quantitative real-time polymerase chain reaction (RT-PCR). Serum TGF-β1 and interleukin-1β (IL-1β) levels were estimated by the enzyme-linked immunosorbent assay. Plasma and urinary TMAO levels were measured. Oxidative stress markers were also assessed. RESULTS SMAD3 and NLRP3 mRNA expressions were significantly upregulated in patients with CKD. Likewise, serum TGF-β1 and IL-1β levels were significantly elevated in patients with CKD, with increase in plasma and urinary TMAO levels and altered redox status throughout different CKD stages. CONCLUSION The study documented that TMAO could be used as a reliable biomarker to evaluate CKD progression; being linked to TGF-β/SMAD signaling, NLRP3 inflammasome activation as well as being a noninvasive applicable technique.
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Affiliation(s)
- Omnia Safwat El-Deeb
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Marwa Mohamed Atef
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Yasser Mostafa Hafez
- Internal Medicine Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Metabolomic analysis reveals a protective effect of Fu-Fang-Jin-Qian-Chao herbal granules on oxalate-induced kidney injury. Biosci Rep 2019; 39:BSR20181833. [PMID: 30737304 PMCID: PMC6386768 DOI: 10.1042/bsr20181833] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 01/31/2019] [Accepted: 02/07/2019] [Indexed: 02/07/2023] Open
Abstract
Nephrolithiasis is one of the world’s major public health burdens with a high incidence and a risk of persistent renal dysfunction. Fu-Fang-Jin-Qian-Chao granules (FFJQC), a traditional Chinese herb formula, is commonly used in treatment of nephrolithiasis. However, the therapeutic mechanism of FFJQC on kidney stone has still been a mystery. The objective of the present study is to explore the therapeutic mechanism of FFJQC on kidney injury and identify unique metabolomics patterns using a mouse model of kidney stone induced by a calcium oxalate (CaOx) deposition. Von Kossa staining and immuno-histopathological staining of osteopontin (OPN), cluster of differentiation 44 (CD44) and calbindin-D28k were conducted on renal sections. Biochemical analysis was performed on serum, urine, and kidney tissues. A metabolomics approach based on ultra-HPLC coupled with quadrupole-TOF-MS (UHPLC-Q-TOF/MS) was used for serum metabolic profiling. The immunohistopathological and biochemical analysis showed the therapeutic benefits of FFJQC. The expression levels of OPN and CD44 were decreased while calbindin-D28k increased after the CaOx injured mice were treated with FFJQC. In addition, total of 81 serum metabolites were identified to be associated with protective effects of FFJQC on CaOx crystal injured mice. Most of these metabolites were involved in purine, amino acid, membrane lipid and energy metabolism. Potential metabolite biomarkers were found for CaOx crystal-induced renal damage. Potential metabolite biomarkers of CaOx crystal-induced renal damage were found. FFJQC shows therapeutic benefits on CaOx crystal injured mice via regulation of multiple metabolic pathways including amino acids, purine, pyrimidine, glycerolipid, arachidonic acid (AA), sphingolipid, glycerophospholipid, and fatty acid.
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19
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Abbiss H, Maker GL, Trengove RD. Metabolomics Approaches for the Diagnosis and Understanding of Kidney Diseases. Metabolites 2019; 9:E34. [PMID: 30769897 PMCID: PMC6410198 DOI: 10.3390/metabo9020034] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/29/2019] [Accepted: 02/05/2019] [Indexed: 02/07/2023] Open
Abstract
Diseases of the kidney are difficult to diagnose and treat. This review summarises the definition, cause, epidemiology and treatment of some of these diseases including chronic kidney disease, diabetic nephropathy, acute kidney injury, kidney cancer, kidney transplantation and polycystic kidney diseases. Numerous studies have adopted a metabolomics approach to uncover new small molecule biomarkers of kidney diseases to improve specificity and sensitivity of diagnosis and to uncover biochemical mechanisms that may elucidate the cause and progression of these diseases. This work includes a description of mass spectrometry-based metabolomics approaches, including some of the currently available tools, and emphasises findings from metabolomics studies of kidney diseases. We have included a varied selection of studies (disease, model, sample number, analytical platform) and focused on metabolites which were commonly reported as discriminating features between kidney disease and a control. These metabolites are likely to be robust indicators of kidney disease processes, and therefore potential biomarkers, warranting further investigation.
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Affiliation(s)
- Hayley Abbiss
- School of Veterinary and Life Sciences, Murdoch University, 90 South Street, Perth 6150, Australia.
- Separation Science and Metabolomics Laboratory, Murdoch University, 90 South Street, Perth 6150, Australia.
| | - Garth L Maker
- School of Veterinary and Life Sciences, Murdoch University, 90 South Street, Perth 6150, Australia.
- Separation Science and Metabolomics Laboratory, Murdoch University, 90 South Street, Perth 6150, Australia.
| | - Robert D Trengove
- Separation Science and Metabolomics Laboratory, Murdoch University, 90 South Street, Perth 6150, Australia.
- Metabolomics Australia, Murdoch University Node, Murdoch University, 90 South Street, Perth 6150, Australia.
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Serkova NJ, Davis DM, Steiner J, Agarwal R. Quantitative NMR-Based Metabolomics on Tissue Biomarkers and Its Translation into In Vivo Magnetic Resonance Spectroscopy. Methods Mol Biol 2019; 1978:369-387. [PMID: 31119675 DOI: 10.1007/978-1-4939-9236-2_23] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nuclear magnetic resonance (NMR) spectroscopy is an established analytical platform for analyzing metabolic profiles of cells, tissues, and body fluids. There are several advantages in introducing an NMR-based study design into metabolomics studies, including a fast and comprehensive detection, characterization, and quantification of dozens of endogenous metabolites in a single NMR spectrum. Quantitative proton 1H-NMR is the most useful NMR-based platform for metabolomics. The frozen tissues can be analyzed noninvasively using a high-resolution magic angle spinning (HR-MAS) 1H-NMR spectroscopy; or several extraction techniques can be applied to detect additional metabolites using a conventional liquid-based NMR technique. In this chapter, we report on tissue collection, handling, extraction methods, and 1H-NMR acquisition protocols developed in the past decades for a precise and quantitative NMR-metabolomics approach. The NMR acquisition protocols (both HR-MAS and conventional 1H-NMR spectroscopy) and spectral analysis steps are also presented. Since NMR can be applied "in vivo" using horizontal bore MRI scanners, several in vivo sequences for localized 1H-MRS (magnetic resonance spectroscopy) are presented which can be directly applied for noninvasive detection of brain metabolites.
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Affiliation(s)
- Natalie J Serkova
- Department of Radiology, School of Medicine, University of Colorado Denver, Aurora, CO, USA.
| | - Denise M Davis
- Department of Radiology, School of Medicine, University of Colorado Denver, Aurora, CO, USA
| | - Jenna Steiner
- Department of Radiology, School of Medicine, University of Colorado Denver, Aurora, CO, USA
| | - Rajesh Agarwal
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Denver, Aurora, CO, USA
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Abstract
Lipid profiling, which includes fatty acids, phospholipids, glycerides, and cholesterols is extremely important because of the essential role lipids play in the regulation of metabolism in animals. 1H-NMR-based protocols for high-throughput lipid analysis in complex mixtures have been developed and applied to biological systems. Many classes of lipids can be quantitatively analyzed in many sample matrices including serum, cells, and tissues using a simple 1H NMR experiment. In this chapter, we provide protocols for NMR-based lipid profiling including sample preparation, NMR experiments, and quantification using the LipSpin software tool.
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Affiliation(s)
- Miriam Gil
- Biosfer Teslab SL, Plaça Prim, Reus, Spain
| | | | - Rubén Barrilero
- Metabolomics Platform, IISPV, DEEEA, Universitat Rovira i Virgili, Tarragona, Spain
| | - Xavier Correig
- Metabolomics Platform, IISPV, DEEEA, Universitat Rovira i Virgili, Tarragona, Spain.
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders, CIBERDEM, Madrid, Spain.
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22
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Kostidis S, Bank JR, Soonawala D, Nevedomskaya E, van Kooten C, Mayboroda OA, de Fijter JW. Urinary metabolites predict prolonged duration of delayed graft function in DCD kidney transplant recipients. Am J Transplant 2019; 19:110-122. [PMID: 29786954 DOI: 10.1111/ajt.14941] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 05/11/2018] [Accepted: 05/12/2018] [Indexed: 01/25/2023]
Abstract
Extending kidney donor criteria, including donation after circulatory death (DCD), has resulted in increased rates of delayed graft function (DGF) and primary nonfunction. Here, we used Nuclear Magnetic Resonance (NMR) spectroscopy to analyze the urinary metabolome of DCD transplant recipients at multiple time points (days 10, 42, 180, and 360 after transplantation). The aim was to identify markers that predict prolonged duration of functional DGF (fDGF). Forty-seven metabolites were quantified and their levels were evaluated in relation to fDGF. Samples obtained at day 10 had a different profile than samples obtained at the other time points. Furthermore, at day 10 there was a statistically significant increase in eight metabolites and a decrease in six metabolites in the group with fDGF (N = 53) vis-à-vis the group without fDGF (N = 22). In those with prolonged fDGF (≥21 days) (N = 17) urine lactate was significantly higher and pyroglutamate lower than in those with limited fDGF (<21 days) (N = 36). In order to further distinguish prolonged fDGF from limited fDGF, the ratios of all metabolites were analyzed. In a logistic regression analysis, the sum of branched-chain amino acids (BCAAs) over pyroglutamate and lactate over fumarate, predicted prolonged fDGF with an AUC of 0.85. In conclusion, kidney transplant recipients with fDGF can be identified based on their altered urinary metabolome. Furthermore, two ratios of urinary metabolites, lactate/fumarate and BCAAs/pyroglutamate, adequately predict prolonged duration of fDGF.
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Affiliation(s)
- S Kostidis
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - J R Bank
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
| | - D Soonawala
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
| | - E Nevedomskaya
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - C van Kooten
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
| | - O A Mayboroda
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - J W de Fijter
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
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Schalt A, Johannsen MM, Kim J, Chen R, Murphy CJ, Coker MS, Gunga HC, Coker RH, Steinach M. Negative Energy Balance Does Not Alter Fat-Free Mass During the Yukon Arctic Ultra-The Longest and the Coldest Ultramarathon. Front Physiol 2018; 9:1761. [PMID: 30662406 PMCID: PMC6327832 DOI: 10.3389/fphys.2018.01761] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 11/22/2018] [Indexed: 01/19/2023] Open
Abstract
Purpose: The objective of this study was to determine alterations in caloric balance, body composition, metabolites, and cytokines in athletes participating in the Yukon Arctic Ultra. Methods: Ten participants traveling on foot in the 2017 692-km event were recruited for the study. Measurements and samples were obtained at pre-event, 278 km (C1), 384 km (C2), and post-event. Body composition measurements were obtained using bioelectrical impedance analysis. Accelerometer devices were utilized to provide an estimation of caloric expenditure and dietary recalls provided assessments of caloric intake. Blood serum samples were collected, processed, and analyzed using enzyme-linked immunosorbent assays or nuclear magnetic resonance. Results were analyzed using linear mixed model, presented as means ± SD, and considered significant at p < 0.05. Results: Participants (8 males, 2 females; age: 37 ± 10 years; body mass index: 24.4 ± 2.5 kg/m2) were recruited. Four males and one female completed the entire event in 260 ± 19 h. Caloric intake/expenditure was 4,126 ± 1,115 kcal/day and 6,387 ± 781 kcal/day, respectively, indicating a caloric deficit of 2,261 ± 1,543 kcal/day. Total mass, body mass index, and fat mass were reduced at each time point of the event. Fat-free mass (FFM) was unchanged throughout the event. Follistatin was increased at C1 (1,715 ± 876 pg/ml) in comparison to baseline. Acetoacetate increased significantly at post-event (6.1 ± 1.5 mg/ml). Conclusions: Despite a pronounced caloric deficit and sustained activity under extreme cold conditions, FFM was preserved with an increase in serum follistatin and acetoacetate. Future studies should be directed at the role of nutrient strategies and/or training methods on the retention of FFM under these conditions.
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Affiliation(s)
- Adriane Schalt
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Michelle M Johannsen
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Jimin Kim
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Richard Chen
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Carl J Murphy
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Melynda S Coker
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Hanns-Christian Gunga
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
| | - Robert H Coker
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States
| | - Mathias Steinach
- Charité - Universitätsmedizin Berlin, Institute of Physiology, Center for Space Medicine and Extreme Environments Berlin, Berlin, Germany
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Wang L, Peng W, Wu T, Deng P, Zhao YL. Increased glutamine anabolism sensitizes non-small cell lung cancer to gefitinib treatment. Cell Death Discov 2018; 4:24. [PMID: 30109143 PMCID: PMC6085389 DOI: 10.1038/s41420-018-0086-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 12/07/2017] [Accepted: 12/13/2017] [Indexed: 02/05/2023] Open
Abstract
To better understand the resistance mechanism of non-small cell lung cancers (NSCLCs) to gefitinib, the metabolic profiles of gefitinib-resistant A549 cells and gefitinib-sensitive PC-9 cells were analyzed with a metabolomics analytical platform. A549 and PC-9 cells exhibited significant differences in the levels of glutamine-related metabolites. After gefitinib treatment, the glutamine level decreased in A549 cells but showed no change in PC-9 cells. The glutamine consumed by A549 cells was used to generate ATP and glutathione (GSH). As glutamine utilization was suppressed in gefitinib-treated PC-9 cells, the resulting ATP shortage and ROS accumulation led to cell death. The difference in glutamine metabolism was caused by differential changes in the levels of glutamine synthetase (GS, encoded by glutamate-ammonia ligase (GLUL)). GLUL expression was upregulated in gefitinib-sensitive cells, but it was either absent from gefitinib-resistant cells or no significant change was observed in the gefitinib-treated cells. GLUL overexpression in A549 cells significant sensitized them to gefitinib and decreased their invasive capacity. Conversely, knockout GS in PC-9 cells reduced gefitinib sensitivity and enhanced metastasis. Furthermore, the continuous exposure of gefitinib-sensitive HCC827 cells to gefitinib created gefitinib-resistant (GR) HCC827 cells, which exhibited a GLUL deletion and resistance to gefitinib. Thus, GLUL plays a vital role in determining the sensitivity of NSCLCs to gefitinib. Elevated GS levels mediate increased glutamine anabolism, and this novel mechanism sensitizes NSCLCs to gefitinib. The inhibition of glutamine utilization may serve as a potential therapeutic strategy to overcome gefitinib resistance in the clinic.
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Affiliation(s)
- Liang Wang
- 1State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, and Collaborative Innovation Center for Biotherapy, Sichuan University, 17#, 3rd Section, Renmin South Road, Chengdu, 610041 China.,2Institute of Biotechnology, University of Helsinki, P.O. Box 56, 00014 Helsinki, Finland
| | - Wen Peng
- 1State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, and Collaborative Innovation Center for Biotherapy, Sichuan University, 17#, 3rd Section, Renmin South Road, Chengdu, 610041 China.,Department of Oncology, The People's Hospital of Guizhou Province, 83#, Zhong Shan East Road, Guiyang, 550004 China
| | - Tianming Wu
- 1State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, and Collaborative Innovation Center for Biotherapy, Sichuan University, 17#, 3rd Section, Renmin South Road, Chengdu, 610041 China
| | - Pengchi Deng
- 4Analytical & Testing Center, Sichuan University, Chengdu, 610041 China
| | - Ying-Lan Zhao
- 1State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, and Collaborative Innovation Center for Biotherapy, Sichuan University, 17#, 3rd Section, Renmin South Road, Chengdu, 610041 China
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Emwas AH, Saccenti E, Gao X, McKay RT, dos Santos VAPM, Roy R, Wishart DS. Recommended strategies for spectral processing and post-processing of 1D 1H-NMR data of biofluids with a particular focus on urine. Metabolomics 2018; 14:31. [PMID: 29479299 PMCID: PMC5809546 DOI: 10.1007/s11306-018-1321-4] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Accepted: 01/09/2018] [Indexed: 12/11/2022]
Abstract
1H NMR spectra from urine can yield information-rich data sets that offer important insights into many biological and biochemical phenomena. However, the quality and utility of these insights can be profoundly affected by how the NMR spectra are processed and interpreted. For instance, if the NMR spectra are incorrectly referenced or inconsistently aligned, the identification of many compounds will be incorrect. If the NMR spectra are mis-phased or if the baseline correction is flawed, the estimated concentrations of many compounds will be systematically biased. Furthermore, because NMR permits the measurement of concentrations spanning up to five orders of magnitude, several problems can arise with data analysis. For instance, signals originating from the most abundant metabolites may prove to be the least biologically relevant while signals arising from the least abundant metabolites may prove to be the most important but hardest to accurately and precisely measure. As a result, a number of data processing techniques such as scaling, transformation and normalization are often required to address these issues. Therefore, proper processing of NMR data is a critical step to correctly extract useful information in any NMR-based metabolomic study. In this review we highlight the significance, advantages and disadvantages of different NMR spectral processing steps that are common to most NMR-based metabolomic studies of urine. These include: chemical shift referencing, phase and baseline correction, spectral alignment, spectral binning, scaling and normalization. We also provide a set of recommendations for best practices regarding spectral and data processing for NMR-based metabolomic studies of biofluids, with a particular focus on urine.
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Affiliation(s)
- Abdul-Hamid Emwas
- Imaging and Characterization Core Lab, KAUST, Thuwal, 23955-6900 Kingdom of Saudi Arabia
| | - Edoardo Saccenti
- Laboratory of Systems and Synthetic Biology, Wageningen University and Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
| | - Xin Gao
- Computer, Electrical and Mathematical Sciences and Engineering Division, Computational Bioscience Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955 Kingdom of Saudi Arabia
| | - Ryan T. McKay
- Department of Chemistry, University of Alberta, Edmonton, Canada
| | - Vitor A. P. Martins dos Santos
- Laboratory of Systems and Synthetic Biology, Wageningen University and Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
| | - Raja Roy
- Centre of Biomedical Research, Formerly, Centre of Biomedical Magnetic Resonance, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Lucknow, India
| | - David S. Wishart
- Department of Biological Sciences, University of Alberta, Edmonton, Canada
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Barin-Le Guellec C, Largeau B, Bon D, Marquet P, Hauet T. Ischemia/reperfusion-associated tubular cells injury in renal transplantation: Can metabolomics inform about mechanisms and help identify new therapeutic targets? Pharmacol Res 2018; 129:34-43. [PMID: 29309901 DOI: 10.1016/j.phrs.2017.12.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/29/2017] [Accepted: 12/29/2017] [Indexed: 12/31/2022]
Abstract
Tubular cells are central targets of ischemia-reperfusion (I/R) injury in kidney transplantation. Inflammation and metabolic disturbances occurring within these cells are deleterious by themselves but also favor secondary events, such as activation of immune response. It is critical to have an in depth understanding of the mechanisms governing tubular cells response to I/R if one wants to define pertinent biomarkers or to elaborate targeted therapeutic interventions. As oxidative damage was shown to be central in the patho-physiological mechanisms, the impact of I/R on proximal tubular cells metabolism has been widely studied, contrary to its effects on expression and activity of membrane transporters of the proximal tubular cells. Yet, temporal modulation of transporters over ischemia and reperfusion periods appears to play a central role, not only in the induction of cells injury but also in graft function recovery. Metabolomics in cell models or diverse biofluids has the potential to provide large pictures of biochemical consequences of I/R. Metabolomic studies conducted in experimental models of I/R or in transplanted patients indeed retrieved metabolites belonging to the pathways known to be particularly affected. Interestingly, they also revealed that metabolic disturbances and transporters activities are in very close mutual interplay. As well as helping to select diagnostic biomarkers, such analyses could also contribute to identify new pharmacological targets and to set up innovative nephroprotective strategies for the future. Even if various therapeutic approaches have been evaluated for a long time to prevent or treat I/R injuries, metabolomics has helped identifying new ones, those related to membrane transporters seeming to be of particular interest. However, considering the very complex and multifactorial effects of I/R in the context of kidney transplantation, all tracks must be followed if one wants to prevent or limit its deleterious consequences.
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Affiliation(s)
- Chantal Barin-Le Guellec
- INSERM UMR 1248, IPPRITT, Limoges, France; CHU Tours, Laboratory of Biochemistry and Molecular Biology, Tours, France; FHU SUPORT, Limoges, Poitiers, Tours, France.
| | - Bérenger Largeau
- CHU Tours, Laboratory of Biochemistry and Molecular Biology, Tours, France
| | - Delphine Bon
- FHU SUPORT, Limoges, Poitiers, Tours, France; University of Poitiers, Poitiers, France; INSERM UMR 1082, IRTOMIT, Poitiers, France; CHU Poitiers, Laboratory of Biochemistry, Poitiers, France
| | - Pierre Marquet
- INSERM UMR 1248, IPPRITT, Limoges, France; FHU SUPORT, Limoges, Poitiers, Tours, France; University of Limoges, Faculty of Medicine, Limoges, France; CHU Limoges, Department of Pharmacology, Toxicology & Pharmacovigilance, Limoges, France
| | - Thierry Hauet
- FHU SUPORT, Limoges, Poitiers, Tours, France; University of Poitiers, Poitiers, France; INSERM UMR 1082, IRTOMIT, Poitiers, France; CHU Poitiers, Laboratory of Biochemistry, Poitiers, France
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Coker RH, Weaver AN, Coker MS, Murphy CJ, Gunga HC, Steinach M. Metabolic Responses to the Yukon Arctic Ultra: Longest and Coldest in the World. Med Sci Sports Exerc 2017; 49:357-362. [PMID: 27669446 PMCID: PMC5491706 DOI: 10.1249/mss.0000000000001095] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Purpose The Yukon Arctic Ultra is considered the longest and coldest ultraendurance event in the world. Cold exposure and exercise has been reported to influence circulating levels of myokines, adipokines, and hepatokines that may influence considerable alterations in the regulation of metabolism. The purpose of the study was to evaluate the influence of the Yukon Arctic Ultra (430-mile event) on potential activators of brown fat, metabolites, and body composition in healthy individuals. Methods Eight male and female participants (mean ± SEM: age, 44 ± 3 yr; body mass index, 23.4 ± 0.9) were recruited for participation. Blood samples were collected at pre-event, mid-event, and post-event checkpoints. Results The temperature during the event ranged from −45°C to −8°C. Because of these extremely challenging conditions, 50% of the participants withdrew from competition by the 300-mile mark, and those that surpassed 300 miles lost a significant (P = 0.002; P = 0.01) amount of body weight (76 ± 5 kg to 73 ± 4 kg) and fat mass (13 ± 1 kg to 12 ± 3 kg), respectively. With respect to serum irisin, there was a trend (P = 0.06) toward significance from pre-event (1033 ± 88 ng·mL−1), mid-event (1265 ± 23 ng·mL−1) to post-event (1289 ± 24 ng·mL−1). Serum meteorin-like and fibroblast growth factor-21 remained stable throughout the event. There were no changes in creatinine, acetoacetate, acetate, and valine. Serum lactate decreased (P = 0.04) during the event. Conclusions The influence of cold exposure and extreme physical exertion may promote substantial increases in serum irisin, and specific alterations in substrate metabolism that largely preserve skeletal muscle and physiological resilience.
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Affiliation(s)
- Robert H Coker
- 1Institute of Arctic Biology, University of Alaska-Fairbanks, Fairbanks, AK; 2Molecular Imaging Facility, University of Alaska-Fairbanks, Fairbanks, AK; and 3Center for Space Medicine and Extreme Environments, Berlin, GERMANY
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Urinary Metabolomics for Noninvasive Detection of Antibody-Mediated Rejection in Children After Kidney Transplantation. Transplantation 2017; 101:2553-2561. [PMID: 28121909 DOI: 10.1097/tp.0000000000001662] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Biomarkers are needed that identify patients with antibody-mediated rejection (AMR). The goal of this study was to evaluate the utility of urinary metabolomics for early noninvasive detection of AMR in pediatric kidney transplant recipients. METHODS Urine samples (n = 396) from a prospective, observational cohort of 59 renal transplant patients with surveillance or indication biopsies were assayed for 133 unique metabolites by quantitative mass spectrometry. Samples were classified according to Banff criteria for AMR and partial least squares discriminant analysis was used to identify associated changes in metabolite patterns by creating a composite index based on all 133 metabolites. RESULTS Urine samples of patients with (n = 40) and without AMR (n = 278) were analyzed and a classifier for AMR was identified (area under receiver operating characteristic curve = 0.84; 95% confidence interval, 0.77-0.91; P = 0.006). Application of the classifier to "indeterminate" samples (samples that partially fulfilled Banff criteria for AMR; n = 65) yielded an AMR score of 0.19 ± 0.15, intermediate between scores for AMR and No AMR (0.28 ± 0.14 and 0.10 ± 0.13 respectively, P ≤ 0.001). The AMR score was associated with the presence of donor-specific antibodies, biopsy indication, Banff ct, t, ah and cg scores, and retained accuracy when applied to subclinical cases (creatinine, <25% increase from baseline) or had minimal or no transplant glomerulopathy (Banff cg0-1). Exploratory classifiers that segregated samples based on concurrent T cell-mediated rejection (TCMR) identified overlapping metabolite signatures between AMR and TCMR, suggesting similar pathophysiology of tissue injury. CONCLUSIONS These preliminary findings identify a urine metabolic classifier for AMR. Independent validation is needed to verify its utility for accurate, noninvasive AMR detection.
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Khadaroo RG, Churchill TA, Tso V, Madsen KL, Lukowski C, Salim SY. Metabolomic profiling to characterize acute intestinal ischemia/reperfusion injury. PLoS One 2017; 12:e0179326. [PMID: 28662085 PMCID: PMC5491008 DOI: 10.1371/journal.pone.0179326] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 05/26/2017] [Indexed: 01/15/2023] Open
Abstract
Sepsis and septic shock are the leading causes of death in critically ill patients. Acute intestinal ischemia/reperfusion (AII/R) is an adaptive response to shock. The high mortality rate from AII/R is due to the severity of the disease and, more importantly, the failure of timely diagnosis. The objective of this investigation is to use nuclear magnetic resonance (NMR) analysis to characterize urine metabolomic profile of AII/R injury in a mouse model. Animals were exposed to sham, early (30 min) or late (60 min) acute intestinal ischemia by complete occlusion of the superior mesenteric artery, followed by 2 hrs of reperfusion. Urine was collected and analyzed by NMR spectroscopy. Urinary metabolite concentrations demonstrated that different profiles could be delineated based on the duration of the intestinal ischemia. Metabolites such as allantoin, creatinine, proline, and methylamine could be predictive of AII/R injury. Lactate, currently used for clinical diagnosis, was found not to significantly contribute to the classification model for either early or late ischemia. This study demonstrates that patterns of changes in urinary metabolites are effective at distinguishing AII/R progression in an animal model. This is a proof-of-concept study to further support examination of metabolites in the clinical diagnosis of intestinal ischemia reperfusion injury in patients. The discovery of a fingerprint metabolite profile of AII/R will be a major advancement in the diagnosis, treatment, and prevention of systemic injury in critically ill patients.
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Affiliation(s)
- Rachel G. Khadaroo
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Division of General Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Division of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Centre of Excellence for Gastrointestinal Inflammation & Immunity Research (CEGIIR), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- * E-mail:
| | - Thomas A. Churchill
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Victor Tso
- Centre of Excellence for Gastrointestinal Inflammation & Immunity Research (CEGIIR), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Karen L. Madsen
- Centre of Excellence for Gastrointestinal Inflammation & Immunity Research (CEGIIR), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Chris Lukowski
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Centre of Excellence for Gastrointestinal Inflammation & Immunity Research (CEGIIR), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Saad Y. Salim
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Centre of Excellence for Gastrointestinal Inflammation & Immunity Research (CEGIIR), Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
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De Las Heras-Gómez I, Medina S, Casas-Pina T, Marín-Soler L, Tomás A, Martínez-Hernández P, Oger C, Galano JM, Durand T, Jimeno L, Llorente S, Lozoya E, Ferreres F, Gil-Izquierdo Á. Potential applications of lipid peroxidation products - F 4-neuroprostanes, F 3-neuroprostanes n-6 DPA, F 2-dihomo-isoprostanes and F 2-isoprostanes - in the evaluation of the allograft function in renal transplantation. Free Radic Biol Med 2017; 104:178-184. [PMID: 28089724 DOI: 10.1016/j.freeradbiomed.2017.01.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 01/01/2017] [Accepted: 01/12/2017] [Indexed: 11/16/2022]
Abstract
F4-neuroprostanes, F3-neuroprostanesn-6 DPA, and F2-dihomo-isoprostanes, metabolites of non-enzymatic lipid peroxidation of polyunsaturated fatty acids [docosahexaenoic acid, n-6 docosapentanoic acid, and adrenic acid respectively], have become important biomarkers for oxidative stress in several diseases like epilepsy and alzheimer. These biomarkers and the 15-F2t-isoprostane (also known as 8-iso-PGF2α), a F2-isoprostane isomer measured as reference oxidative marker at systemic level, were analyzed by UHPLC-QqQ-MS/MS in the urine of 60 renal recipients from cadaveric donors of the Nephrology Unit of the University Hospital Virgen de la Arrixaca, at six different times during the first six months after renal transplantation, and were compared with a control group of 60 healthy subjects from the same hospital. A total of 11 metabolites were analyzed and different patterns were observed. A tendency to decrease was observed in three metabolites (4-epi-4-F3t- NeuroPn-6 DPA, ent-7(RS)-7-F2t-dihomo-IsoP, and ent-7(S)-7-F2t-dihomo-IsoP) and in our reference oxidative marker (15-F2t-IsoP) when kidney function improved and the excretion of urine proteins decreased. These results suggest that these three biomarkers of oxidative stress could be useful to assess renal function in the postransplant phase. Unfortunately, little is known about this kind of biomarker in this cohort of patients, so further investigation would be required in the clinical field to clarify the relationship between oxidative stress and the graft function, as well as the usefulness of these biomarkers as rejection markers.
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Affiliation(s)
- Ignacio De Las Heras-Gómez
- Clinical Analysis Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain
| | - Sonia Medina
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Teresa Casas-Pina
- Clinical Analysis Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain.
| | - Lidia Marín-Soler
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Anna Tomás
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Pedro Martínez-Hernández
- Clinical Analysis Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain
| | - Camille Oger
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 - CNRS - University of Montpellier - ENSCM, Faculty of Pharmacy, Montpellier, France
| | - Jean-Marie Galano
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 - CNRS - University of Montpellier - ENSCM, Faculty of Pharmacy, Montpellier, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 - CNRS - University of Montpellier - ENSCM, Faculty of Pharmacy, Montpellier, France
| | - Luisa Jimeno
- Nefrology Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain
| | - Santiago Llorente
- Nefrology Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain
| | - Elena Lozoya
- Clinical Analysis Service, University Hospital Virgen de la Arrixaca, Ctra. Madrid-Cartagena, s/n, 30120, El Palmar, Murcia, Spain
| | - Federico Ferreres
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Ángel Gil-Izquierdo
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain.
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Cho CE, Caudill MA. Trimethylamine-N-Oxide: Friend, Foe, or Simply Caught in the Cross-Fire? Trends Endocrinol Metab 2017; 28:121-130. [PMID: 27825547 DOI: 10.1016/j.tem.2016.10.005] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/05/2016] [Accepted: 10/12/2016] [Indexed: 12/15/2022]
Abstract
Trimethylamine-N-oxide (TMAO), a gut-derived metabolite, has recently emerged as a candidate risk factor for cardiovascular disease and other adverse health outcomes. However, the relation between TMAO and chronic disease can be confounded by several factors, including kidney function, the gut microbiome, and flavin-containing monooxygenase 3 (FMO3) genotype. Thus, whether TMAO is a causative agent in human disease development and progression, or simply a marker of an underlying pathology, remains inconclusive. Importantly, dietary sources of TMAO have beneficial health effects and provide nutrients that have critical roles in many biological functions. Pre-emptive dietary strategies to restrict TMAO-generating nutrients as a means to improve human health warrant careful consideration and may not be justified at this time.
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Affiliation(s)
- Clara E Cho
- Department of Nutrition, Dietetics and Food Sciences, Utah State University, Logan, UT 84322, USA
| | - Marie A Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA.
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Bassi R, Niewczas MA, Biancone L, Bussolino S, Merugumala S, Tezza S, D’Addio F, Ben Nasr M, Valderrama-Vasquez A, Usuelli V, De Zan V, El Essawy B, Venturini M, Secchi A, De Cobelli F, Lin A, Chandraker A, Fiorina P. Metabolomic Profiling in Individuals with a Failing Kidney Allograft. PLoS One 2017; 12:e0169077. [PMID: 28052095 PMCID: PMC5214547 DOI: 10.1371/journal.pone.0169077] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 12/12/2016] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Alteration of certain metabolites may play a role in the pathophysiology of renal allograft disease. METHODS To explore metabolomic abnormalities in individuals with a failing kidney allograft, we analyzed by liquid chromatography-mass spectrometry (LC-MS/MS; for ex vivo profiling of serum and urine) and two dimensional correlated spectroscopy (2D COSY; for in vivo study of the kidney graft) 40 subjects with varying degrees of chronic allograft dysfunction stratified by tertiles of glomerular filtration rate (GFR; T1, T2, T3). Ten healthy non-allograft individuals were chosen as controls. RESULTS LC-MS/MS analysis revealed a dose-response association between GFR and serum concentration of tryptophan, glutamine, dimethylarginine isomers (asymmetric [A]DMA and symmetric [S]DMA) and short-chain acylcarnitines (C4 and C12), (test for trend: T1-T3 = p<0.05; p = 0.01; p<0.001; p = 0.01; p = 0.01; p<0.05, respectively). The same association was found between GFR and urinary levels of histidine, DOPA, dopamine, carnosine, SDMA and ADMA (test for trend: T1-T3 = p<0.05; p<0.01; p = 0.001; p<0.05; p = 0.001; p<0.001; p<0.01, respectively). In vivo 2D COSY of the kidney allograft revealed significant reduction in the parenchymal content of choline, creatine, taurine and threonine (all: p<0.05) in individuals with lower GFR levels. CONCLUSIONS We report an association between renal function and altered metabolomic profile in renal transplant individuals with different degrees of kidney graft function.
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Affiliation(s)
- Roberto Bassi
- Nephrology Division, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America
- Transplant Medicine, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Monika A. Niewczas
- Section on Genetics and Epidemiology, Joslin Diabetes Center, Harvard Medical School, Boston, MA, United States of America
| | - Luigi Biancone
- San Giovanni Battista Hospital and University of Turin, Division of Nephrology, Dialysis, and Transplantation, Turin, Italy
| | - Stefania Bussolino
- San Giovanni Battista Hospital and University of Turin, Division of Nephrology, Dialysis, and Transplantation, Turin, Italy
| | - Sai Merugumala
- Biomedical Engineering, University of Texas, Austin, TX, United States of America
| | - Sara Tezza
- Nephrology Division, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Francesca D’Addio
- Nephrology Division, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America
- Transplant Medicine, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Moufida Ben Nasr
- Nephrology Division, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | | | - Vera Usuelli
- Transplant Medicine, IRCCS Ospedale San Raffaele, Milan, Italy
| | | | | | | | - Antonio Secchi
- Transplant Medicine, IRCCS Ospedale San Raffaele, Milan, Italy
- Universita’ Vita-Salute San Raffaele, Milan, Italy
| | - Francesco De Cobelli
- Universita’ Vita-Salute San Raffaele, Milan, Italy
- Radiology, San Raffaele Scientific Institute, Milan, Italy
| | - Alexander Lin
- Center for Clinical Spectroscopy, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Anil Chandraker
- Transplantation Research Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Paolo Fiorina
- Nephrology Division, Boston Children’s Hospital, Harvard Medical School, Boston, MA, United States of America
- Transplant Medicine, IRCCS Ospedale San Raffaele, Milan, Italy
- * E-mail:
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Nuclear Magnetic Resonance Strategies for Metabolic Analysis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 965:45-76. [DOI: 10.1007/978-3-319-47656-8_3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Mohammadi A, Najar AG, Yaghoobi MM, Jahani Y, Vahabzadeh Z. Trimethylamine-N-Oxide Treatment Induces Changes in the ATP-Binding Cassette Transporter A1 and Scavenger Receptor A1 in Murine Macrophage J774A.1 cells. Inflammation 2016; 39:393-404. [PMID: 26412259 DOI: 10.1007/s10753-015-0261-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Recently, trimethylamine N-oxide was introduced as a risk factor for atherosclerosis in terms of helping foam cell formation and worsening atherosclerosis complications. The present study was performed to investigate whether/how trimethylamine N-oxide is involved in regulation of ATP-binding cassette transporter A1 and scavenger receptor A1 in macrophages at both mRNA and protein levels. METHODS Murine macrophage J774A.1 cells were treated with micromolar concentrations of trimethylamine N-oxide and 4-phenylbutyric acid, a chemical chaperon, for different time intervals. Tunicamycin was also used as a control for induction of endoplasmic reticulum stress. RESULTS Similar to tunicamycin, trimethylamine N-oxide increased scavenger receptor A1 in all treatment periods, whereas ATP-binding cassette transporter A1 was only reduced 24 h post-treatment with trimethylamine N-oxide at both mRNA and protein levels. In contrast, 4-phenylbutyric acid failed to induce such changes in either scavenger receptor A1 or ATP-binding cassette transporter A1. CONCLUSIONS The results of this study, in agreement with previous studies, confirm the mechanistic role of trimethylamine N-oxide in the upregulation of scavenger receptor A1, which potentially can promote its proatherogenic role. The results also showed downregulation of ATP-binding cassette transporter A1 in trimethylamine N-oxide treated macrophages which may indicate another possible proatherosclerotic mechanism for foam cell formation.
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Affiliation(s)
- Abbas Mohammadi
- Department of Clinical Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Endocrine and Metabolism Research Center, Institute of Basic and Clinical Physiology, Kerman University of Medical Sciences, Kerman, Iran
| | - Ahmad Gholamhoseynian Najar
- Department of Clinical Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Mehdi Yaghoobi
- Research Department of Biotechnology, Institute of Sciences and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Yunes Jahani
- Social Determinants of Health Research Center, Institute of Futures Studies in Health, Department of Biostatistics and Epidemiology, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Zakaria Vahabzadeh
- Department of Clinical Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
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Changes in urinary metabolomic profile during relapsing renal vasculitis. Sci Rep 2016; 6:38074. [PMID: 27905491 PMCID: PMC5131479 DOI: 10.1038/srep38074] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 11/04/2016] [Indexed: 12/23/2022] Open
Abstract
Current biomarkers of renal disease in systemic vasculitis lack predictive value and are insensitive to early damage. To identify novel biomarkers of renal vasculitis flare, we analysed the longitudinal urinary metabolomic profile of a rat model of anti-neutrophil cytoplasmic antibody (ANCA) vasculitis. Wistar-Kyoto (WKY) rats were immunised with human myeloperoxidase (MPO). Urine was obtained at regular intervals for 181 days, after which relapse was induced by re-challenge with MPO. Urinary metabolites were assessed in an unbiased fashion using nuclear magnetic resonance (NMR) spectroscopy, and analysed using partial least squares discriminant analysis (PLS-DA) and partial least squares regression (PLS-R). At 56 days post-immunisation, we found that rats with vasculitis had a significantly different urinary metabolite profile than control animals; the observed PLS-DA clusters dissipated between 56 and 181 days, and re-emerged with relapse. The metabolites most altered in rats with active or relapsing vasculitis were trimethylamine N-oxide (TMAO), citrate and 2-oxoglutarate. Myo-inositol was also moderately predictive. The key urine metabolites identified in rats were confirmed in a large cohort of patients using liquid chromatography–mass spectrometry (LC-MS). Hypocitraturia and elevated urinary myo-inositol remained associated with active disease, with the urine myo-inositol:citrate ratio being tightly correlated with active renal vasculitis.
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Jouret F, Leenders J, Poma L, Defraigne JO, Krzesinski JM, de Tullio P. Nuclear Magnetic Resonance Metabolomic Profiling of Mouse Kidney, Urine and Serum Following Renal Ischemia/Reperfusion Injury. PLoS One 2016; 11:e0163021. [PMID: 27657885 PMCID: PMC5033333 DOI: 10.1371/journal.pone.0163021] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 09/01/2016] [Indexed: 12/29/2022] Open
Abstract
Background Ischemia/reperfusion (I/R) is the most common cause of acute kidney injury (AKI). Its pathophysiology remains unclear. Metabolomics is dedicated to identify metabolites involved in (patho)physiological changes of integrated living systems. Here, we performed 1H-Nuclear Magnetic Resonance metabolomics using urine, serum and kidney samples from a mouse model of renal I/R. Methods Renal 30-min ischemia was induced in 12-week-old C57BL/6J male mice by bilaterally clamping vascular pedicles, and was followed by 6, 24 or 48-hour reperfusion (n = 12/group). Sham-operated mice were used as controls. Statistical discriminant analyses, i.e. principal component analysis and orthogonal projections to latent structures (OPLS-DA), were performed on urine, serum and kidney lysates at each time-point. Multivariate receiver operating characteristic (ROC) curves were drawn, and sensitivity and specificity were calculated from ROC confusion matrix (with averaged class probabilities across 100 cross-validations). Results Urine OPLS-DA analysis showed a net separation between I/R and sham groups, with significant variations in levels of taurine, di- and tri-methylamine, creatine and lactate. Such changes were observed as early as 6 hours post reperfusion. Major metabolome modifications occurred at 24h post reperfusion. At this time-point, correlation coefficients between urine spectra and conventional AKI biomarkers, i.e. serum creatinine and urea levels, reached 0.94 and 0.95, respectively. The area under ROC curve at 6h, 24h and 48h post surgery were 0.73, 0.98 and 0.97, respectively. Similar discriminations were found in kidney samples, with changes in levels of lactate, fatty acids, choline and taurine. By contrast, serum OPLS-DA analysis could not discriminate sham-operated from I/R-exposed animals. Conclusions Our study demonstrates that renal I/R in mouse causes early and sustained metabolomic changes in urine and kidney composition. The most implicated pathways at 6h and 24h post reperfusion include gluconeogenesis, taurine and hypotaurine metabolism, whereas protein biosynthesis, glycolysis, and galactose and arginine metabolism are key at 48h post reperfusion.
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Affiliation(s)
- François Jouret
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
- * E-mail:
| | - Justine Leenders
- Centre for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
| | - Laurence Poma
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Jean-Olivier Defraigne
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Jean-Marie Krzesinski
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Pascal de Tullio
- Centre for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
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Li Z, Li A, Gao J, Li H, Qin X. Kidney Tissue Targeted Metabolic Profiling of Unilateral Ureteral Obstruction Rats by NMR. Front Pharmacol 2016; 7:307. [PMID: 27695416 PMCID: PMC5023943 DOI: 10.3389/fphar.2016.00307] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 08/30/2016] [Indexed: 12/17/2022] Open
Abstract
Renal interstitial fibrosis is a common pathological process in the progression of kidney disease. A nuclear magnetic resonance (NMR) based metabolomic approach was used to analyze the kidney tissues of rats with renal interstitial fibrosis (RIF), induced by unilateral ureteral obstruction (UUO). The combination of a variety of statistical methods were used to screen out 14 significantly changed potential metabolites, which are related with multiple biochemical processes including amino acid metabolism, adenine metabolism, energy metabolism, osmolyte change and induced oxidative stress. The exploration of the contralateral kidneys enhanced the understanding of the disease, which was also supported by serum biochemistry and kidney histopathology results. In addition, the pathological parameters (clinical chemistry, histological and immunohistochemistry results) were correlated with the significantly changed differential metabolites related with RIF. This study showed that targeted tissue metabolomic analysis can be used as a useful tool to understand the mechanism of the disease and provide a novel insight in the pathogenesis of RIF.
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Affiliation(s)
- Zhenyu Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
| | - Aiping Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
| | - Jining Gao
- Shanxi Hospital of Integrated Traditional and Western Medicine Taiyuan, China
| | - Hong Li
- Shanxi Hospital of Integrated Traditional and Western Medicine Taiyuan, China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
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Nath J, Smith T, Hollis A, Ebbs S, Canbilen SW, Tennant DA, Ready AR, Ludwig C. (13)C glucose labelling studies using 2D NMR are a useful tool for determining ex vivo whole organ metabolism during hypothermic machine perfusion of kidneys. Transplant Res 2016; 5:7. [PMID: 27499851 PMCID: PMC4974776 DOI: 10.1186/s13737-016-0037-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 07/27/2016] [Indexed: 12/02/2022] Open
Abstract
Background The aim of this study is to determine the feasibility of using nuclear magnetic resonance (NMR) tracer studies (13C-enriched glucose) to detect ex vivo de novo metabolism in the perfusion fluid and cortical tissue of porcine kidneys during hypothermic machine perfusion (HMP). Methods Porcine kidneys (n = 6) were subjected to 24 h of HMP using the Organ Recovery Systems LifePort Kidney perfusion device. Glucose, uniformly enriched with the stable isotope 13C ([U-13C] glucose), was incorporated into KPS-1-like perfusion fluid at a concentration of 10 mM. Analysis of perfusate was performed using both 1D 1H and 2D 1H,13C heteronuclear single quantum coherence (HSQC) NMR spectroscopy. The metabolic activity was then studied by quantifying the proportion of key metabolites containing 13C in both perfusate and tissue samples. Results There was significant enrichment of 13C in a number of central metabolites present in both the perfusate and tissue extracts and was most pronounced for lactate and alanine. The total amount of enriched lactate (per sample) in perfusion fluid increased during HMP (31.1 ± 12.2 nmol at 6 h vs 93.4 ± 25.6 nmol at 24 h p < 0.01). The total amount of enriched alanine increased in a similar fashion (1.73 ± 0.89 nmol at 6 h vs 6.80 ± 2.56 nmol at 24 h p < 0.05). In addition, small amounts of enriched acetate and glutamic acid were evident in some samples. Conclusions This study conclusively demonstrates that de novo metabolism occurs during HMP and highlights active metabolic pathways in this hypothermic, hypoxic environment. Whilst the majority of the 13C-enriched glucose is metabolised into glycolytic endpoint metabolites such as lactate, the presence of non-glycolytic pathway derivatives suggests that metabolism during HMP is more complex than previously thought. Isotopic labelled ex vivo organ perfusion studies using 2D NMR are feasible and informative.
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Affiliation(s)
- Jay Nath
- Department of Renal Surgery, University Hospitals Birmingham, Birmingham, UK ; Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Tom Smith
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Alex Hollis
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Sam Ebbs
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Sefa W Canbilen
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Daniel A Tennant
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Andrew R Ready
- Department of Renal Surgery, University Hospitals Birmingham, Birmingham, UK
| | - Christian Ludwig
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
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Malagrino PA, Venturini G, Yogi PS, Dariolli R, Padilha K, Kiers B, Gois TC, Motta-Leal-Filho JM, Takimura CK, Girardi ACC, Carnevale FC, Canevarolo R, Malheiros DMAC, de Mattos Zeri AC, Krieger JE, Pereira AC. Metabolomic characterization of renal ischemia and reperfusion in a swine model. Life Sci 2016; 156:57-67. [DOI: 10.1016/j.lfs.2016.05.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 05/12/2016] [Accepted: 05/17/2016] [Indexed: 01/09/2023]
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Bonneau E, Tétreault N, Robitaille R, Boucher A, De Guire V. Metabolomics: Perspectives on potential biomarkers in organ transplantation and immunosuppressant toxicity. Clin Biochem 2016; 49:377-84. [DOI: 10.1016/j.clinbiochem.2016.01.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 12/23/2015] [Accepted: 01/07/2016] [Indexed: 12/27/2022]
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Metabolomic profiling of urinary changes in mice with monosodium glutamate-induced obesity. Anal Bioanal Chem 2015; 408:567-78. [DOI: 10.1007/s00216-015-9133-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 09/25/2015] [Accepted: 10/19/2015] [Indexed: 12/27/2022]
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Kienana M, Lydie ND, Jean-Michel H, Binta D, Matthias B, Patrick E, Hélène B, Chantal LG. Elucidating time-dependent changes in the urinary metabolome of renal transplant patients by a combined (1)H NMR and GC-MS approach. MOLECULAR BIOSYSTEMS 2015; 11:2493-510. [PMID: 26161811 DOI: 10.1039/c5mb00108k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Urine metabolomic profiling can identify biochemical alterations resulting from various injuries affecting the graft outcome after renal transplantation. Here, we aimed to describe in depth the metabolite content of urines of renal transplant patients and to link it with the major injury factors acting at critical stages following transplantation. Morning urine samples were prospectively collected from 38 kidney transplant patients at 7 days (D7), 3 months (M3) and 12 months (M12) after transplantation. Twenty-five patients were treated with tacrolimus (Tac) and thirteen patients with cyclosporine (CsA). (1)H-NMR (proton nuclear magnetic resonance) and gas chromatography-mass spectrometry (GC-MS) were used to examine the overall metabolomic signature of each sample. Multivariate analysis was performed to study the changes in the metabolic profile over time and their dependency on the type of calcineurin inhibitor (CNI) administered to patients. Biological pathways affected by transplantation were identified using a metabolomics pathway analysis (MetPA) web-tool. The metabolic profile of urine samples clearly varied with time. Markers of medullary injury, tubule cell oxidative metabolism and impaired tubular reabsorption or secretion were present at D7. Differences in metabolic profiles became less marked as time passed on, urine content being quite similar at M3 and M12. The metabolite profile tended to differ between patients receiving Tac and those receiving CsA but no clear discriminating profiles can be found. The combination of (1)H-NMR and GC-MS for the analysis of urine metabolomic profiles is a very useful method to study patho-physiological alterations in kidney transplant patients over time.
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Affiliation(s)
- Muhrez Kienana
- Cellules dendritiques, immuno-intervention et greffes, EA4245, Université François Rabelais, Faculté de médecine, bâtiment Vialle, 10 Boulevard Tonnellé, 37032 Tours Cedex 1, France.
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Metabolomic analysis of perfusate during hypothermic machine perfusion of human cadaveric kidneys. Transplantation 2015; 99:754-9. [PMID: 25222017 DOI: 10.1097/tp.0000000000000398] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND The metabolic processes occurring within the preserved kidney during hypothermic machine perfusion (HMP) are not well characterized. The aim of this study was to use nuclear magnetic resonance (NMR) spectroscopy to examine the metabolomic profile of HMP perfusate from human cadaveric kidneys awaiting transplantation and to identify possible discriminators between the profiles of kidneys with delayed graft function (DGF) and immediate graft function (IGF). METHODS Perfusates from HMP kidneys were sampled at 45 min and 4 hr of preservation with the LifePort Kidney Transporter 1.0 (Organ Recovery Systems, Chicago, IL) using KPS-1. Prepared samples underwent 1-D Proton-NMR spectroscopy, and resultant spectra were analyzed. Clinical parameters were collected prospectively. RESULTS Perfusate of 26 transplanted cadaveric kidneys was analyzed; 19(73%) with IGF and 7(27%) with DGF. Glucose concentrations were significantly lower in DGF kidneys compared to those with IGF at both 45 min (7.772 vs. 9.459 mM, P = 0.006) and 4 hr (8.202 vs. 10.235 mM, P = 0.003). Concentrations of inosine and leucine were significantly different between DGF and IGF kidneys at 45 min (0.002 vs. 0.013 mM, P = 0.009 and 0.011 vs. 0.006 mM, P = 0.036), and gluconate levels were also significantly different between DGF and IGF kidneys at 4 hr (49.099 vs. 59.513 mM, P = 0.009). CONCLUSION Significant metabolic activity may be occurring in kidneys during HMP. The NMR spectroscopy of the perfusate can identify differences in the metabolomic profiles of DGF and IGF kidneys that might have a predictive role in viability assessment. Modification of harmful metabolic processes may improve outcomes for HMP kidneys.
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Klepacki J, Klawitter J, Klawitter J, Thurman JM, Christians U. A high-performance liquid chromatography-tandem mass spectrometry-based targeted metabolomics kidney dysfunction marker panel in human urine. Clin Chim Acta 2015; 446:43-53. [PMID: 25871999 DOI: 10.1016/j.cca.2015.04.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 03/28/2015] [Accepted: 04/03/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND Previous studies have examined and documented fluctuations in urine metabolites in response to disease processes and drug toxicity affecting glomerular filtration, tubule cell metabolism, reabsorption, oxidative stress, purine degradation, active secretion and kidney amino acylase activity representative of diminished renal function. However, a high-throughput assay that incorporates metabolites that are surrogate markers for such changes into a kidney dysfunction panel has yet to be described. METHODS A high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) assay for the quantification of ten metabolites associated with the Krebs cycle, purine degradation, and oxidative stress in human urine was developed and validated. Normal values were assessed in healthy adult (n=120) and pediatric (n=36) individuals. In addition, 9 pediatric renal transplant recipients patients were evaluated before and after initial dosing of the immunosuppressant tacrolimus in a proof-of-concept study. RESULTS The assay met all predefined acceptance criteria. The lower limit of quantification ranged from 0.1 to 1000 μmol/l. Inter-day trueness and imprecisions ranged from 91.4-112.9% and 1.5-12.4%, respectively. The total assay run time was 5.5 minutes. Concentrations of glucose, sorbitol, and trimethylamine oxide (TMAO) were elevated in pediatric renal transplant patients (n=9) prior to transplantation as well as before and immediately after initial dosing of tacrolimus. One month post-transplant urine metabolite patterns matched those of healthy children (n=36). CONCLUSIONS The LC-MS/MS assay will provide the basis for further large-scale clinical studies to explore these analytes as molecular markers for the patients with renal insufficiency.
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Affiliation(s)
- Jacek Klepacki
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
| | - Jost Klawitter
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jelena Klawitter
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Renal Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Joshua M Thurman
- Department of Renal Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Uwe Christians
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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Abstract
Gas chromatography-mass spectrometry (GC-MS) has been widely used in metabonomics analyses of biofluid samples. Biofluids provide a wealth of information about the metabolism of the whole body and from multiple regions of the body that can be used to study general health status and organ function. Blood serum and blood plasma, for example, can provide a comprehensive picture of the whole body, while urine can be used to monitor the function of the kidneys, and cerebrospinal fluid (CSF) will provide information about the status of the brain and central nervous system (CNS). Different methods have been developed for the extraction of metabolites from biofluids, these ranging from solvent extracts, acids, heat denaturation, and filtration. These methods vary widely in terms of efficiency of protein removal and in the number of metabolites extracted. Consequently, for all biofluid-based metabonomics studies, it is vital to optimize and standardize all steps of sample preparation, including initial extraction of metabolites. In this chapter, recommendations are made of the optimum experimental conditions for biofluid samples for GC-MS, with a particular focus on blood serum and plasma samples.
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Gómez J, Vinaixa M, Rodríguez MA, Salek RM, Correig X, Cañellas N. Dolphin 1D: Improving Automation of Targeted Metabolomics in Multi-matrix Datasets of $$^1$$ 1 H-NMR Spectra. ADVANCES IN INTELLIGENT SYSTEMS AND COMPUTING 2015. [DOI: 10.1007/978-3-319-19776-0_7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Wu M, Xiao H, Ren W, Yin J, Hu J, Duan J, Liu G, Tan B, Xiong X, Oso AO, Adeola O, Yao K, Yin Y, Li T. An NMR-based metabolomic approach to investigate the effects of supplementation with glutamic acid in piglets challenged with deoxynivalenol. PLoS One 2014; 9:e113687. [PMID: 25502722 PMCID: PMC4263475 DOI: 10.1371/journal.pone.0113687] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 10/27/2014] [Indexed: 01/22/2023] Open
Abstract
Deoxynivalenol (DON) has various toxicological effects in humans and pigs that result from the ingestion of contaminated cereal products. This study was conducted to investigate the protective effects of dietary supplementation with glutamic acid on piglets challenged with DON. A total of 20 piglets weaned at 28 d of age were randomly assigned to receive 1 of 4 treatments (5 piglets/treatment): 1) basal diet, negative control (NC); 2) basal diet +4 mg/kg DON (DON); 3) basal diet +2% (g/g) glutamic acid (GLU); 4) basal diet +4 mg/kg DON +2% glutamic acid (DG). A 7-d adaptation period was followed by 30 days of treatment. A metabolite analysis using nuclear magnetic resonance spectroscopy (1H-NMR)-based metabolomic technology and the determination of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities for plasma, as well as the activity of Caspase-3 and the proliferation of epithelial cells were conducted. The results showed that contents of low-density lipoprotein, alanine, arginine, acetate, glycoprotein, trimethylamine-N-oxide (TMAO), glycine, lactate, and urea, as well as the glutamate/creatinine ratio were higher but high-density lipoprotein, proline, citrate, choline, unsaturated lipids and fumarate were lower in piglets of DON treatment than that of NC treatment (P<0.05). Compared with DON treatment, dietary supplementation with glutamic acid increased the plasma concentrations of proline, citrate, creatinine, unsaturated lipids, and fumarate, and decreased the concentrations of alanine, glycoprotein, TMAO, glycine, and lactate, as well as the glutamate/creatinine ratio (P<0.05). Addition glutamic acid to DON treatment increased the plasma activities of SOD and GSH-Px and the proliferating cell nuclear antigen (PCNA) labeling indexes for the jejunum and ileum (P<0.05). These novel findings indicate that glutamic acid has the potential to repair the injuries associated with oxidative stress as well as the disturbances of energy and amino acid metabolism induced by DON.
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Affiliation(s)
- Miaomiao Wu
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hao Xiao
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Wenkai Ren
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jie Yin
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jiayu Hu
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jielin Duan
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Gang Liu
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Bie Tan
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Xia Xiong
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- * E-mail: (XX); (KY)
| | - Abimbola Oladele Oso
- Department of Animal Nutrition, College of Animal Science and Livestock Production, Abeokuta, Ogun State, Nigeria
| | - Olayiwola Adeola
- Department of Animal Sciences, Purdue University, West Lafayette, United States of America
| | - Kang Yao
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- * E-mail: (XX); (KY)
| | - Yulong Yin
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Tiejun Li
- Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central China, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
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Tang WHW, Wang Z, Kennedy DJ, Wu Y, Buffa JA, Agatisa-Boyle B, Li XS, Levison BS, Hazen SL. Gut microbiota-dependent trimethylamine N-oxide (TMAO) pathway contributes to both development of renal insufficiency and mortality risk in chronic kidney disease. Circ Res 2014; 116:448-55. [PMID: 25599331 DOI: 10.1161/circresaha.116.305360] [Citation(s) in RCA: 820] [Impact Index Per Article: 82.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
RATIONALE Trimethylamine-N-oxide (TMAO), a gut microbial-dependent metabolite of dietary choline, phosphatidylcholine (lecithin), and l-carnitine, is elevated in chronic kidney diseases (CKD) and associated with coronary artery disease pathogenesis. OBJECTIVE To both investigate the clinical prognostic value of TMAO in subjects with versus without CKD, and test the hypothesis that TMAO plays a direct contributory role in the development and progression of renal dysfunction. METHODS AND RESULTS We first examined the relationship between fasting plasma TMAO and all-cause mortality over 5-year follow-up in 521 stable subjects with CKD (estimated glomerular filtration rate, <60 mL/min per 1.73 m(2)). Median TMAO level among CKD subjects was 7.9 μmol/L (interquartile range, 5.2-12.4 μmol/L), which was markedly higher (P<0.001) than in non-CKD subjects (n=3166). Within CKD subjects, higher (fourth versus first quartile) plasma TMAO level was associated with a 2.8-fold increased mortality risk. After adjustments for traditional risk factors, high-sensitivity C-reactive protein, estimated glomerular filtration rate, elevated TMAO levels remained predictive of 5-year mortality risk (hazard ratio, 1.93; 95% confidence interval, 1.13-3.29; P<0.05). TMAO provided significant incremental prognostic value (net reclassification index, 17.26%; P<0.001 and differences in area under receiver operator characteristic curve, 63.26% versus 65.95%; P=0.036). Among non-CKD subjects, elevated TMAO levels portend poorer prognosis within cohorts of high and low cystatin C. In animal models, elevated dietary choline or TMAO directly led to progressive renal tubulointerstitial fibrosis and dysfunction. CONCLUSIONS Plasma TMAO levels are both elevated in patients with CKD and portend poorer long-term survival. Chronic dietary exposures that increase TMAO directly contributes to progressive renal fibrosis and dysfunction in animal models.
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Affiliation(s)
- W H Wilson Tang
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.).
| | - Zeneng Wang
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - David J Kennedy
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Yuping Wu
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Jennifer A Buffa
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Brendan Agatisa-Boyle
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Xinmin S Li
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Bruce S Levison
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.)
| | - Stanley L Hazen
- From the Department for Cellular and Molecular Medicine, Lerner Research Institute (W.H.W.T., Z.W., D.J.K., J.A.B., B.A.-B., X.S.L., B.S.L., S.L.H.); Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Foundation, OH (W.H.W.T., S.L.H.); and Department of Mathematics, Cleveland State University, OH (Y.W.).
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50
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Blydt-Hansen TD, Sharma A, Gibson IW, Mandal R, Wishart DS. Urinary metabolomics for noninvasive detection of borderline and acute T cell-mediated rejection in children after kidney transplantation. Am J Transplant 2014; 14:2339-49. [PMID: 25138024 DOI: 10.1111/ajt.12837] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 04/24/2014] [Accepted: 05/17/2014] [Indexed: 01/25/2023]
Abstract
The goal of this study was to evaluate the utility of urinary metabolomics for noninvasive diagnosis of T cell-mediated rejection (TCMR) in pediatric kidney transplant recipients. Urine samples (n = 277) from 57 patients with surveillance or indication kidney biopsies were assayed for 134 unique metabolites by quantitative mass spectrometry. Samples without TCMR (n = 183) were compared to borderline tubulitis (n = 54) and TCMR (n = 30). Partial least squares discriminant analysis identified distinct classifiers for TCMR (area under receiver operating characteristic curve [AUC] = 0.892; 95% confidence interval [CI] 0.827-0.957) and borderline tubulitis (AUC = 0.836; 95% CI 0.781-0.892), respectively. Application of the TCMR classifier to borderline tubulitis samples yielded a discriminant score (-0.47 ± 0.33) mid-way between TCMR (-0.20 ± 0.34) and No TCMR (-0.80 ± 0.32) (p < 0.001 for all comparisons). Discriminant scoring for combined borderline/TCMR versus No TCMR (AUC = 0.900; 95% CI 0.859-0.940) applied to a validation cohort robustly distinguished between samples with (-0.08 ± 0.52) and without (-0.65 ± 0.54, p < 0.001) borderline/TCMR (p < 0.001). The TCMR discriminant score was driven by histological t-score, ct-score, donor-specific antibody and biopsy indication, and was unaffected by renal function, interstitial or microcirculatory inflammation, interstitial fibrosis or pyuria. These preliminary findings suggest that urinary metabolomics is a sensitive, specific and noninvasive tool for TCMR identification that is superior to serum creatinine, with minimal confounding by other allograft injury processes.
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Affiliation(s)
- T D Blydt-Hansen
- Department of Pediatrics and Child Health (Nephrology), University of Manitoba, Children's Hospital at Health Sciences Center, Winnipeg, MB, Canada
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