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Capelo-Diz A, Lachiondo-Ortega S, Fernández-Ramos D, Cañas-Martín J, Goikoetxea-Usandizaga N, Serrano-Maciá M, González-Rellan MJ, Mosca L, Blazquez-Vicens J, Tinahones-Ruano A, Fondevila MF, Buyan M, Delgado TC, Gutierrez de Juan V, Ayuso-García P, Sánchez-Rueda A, Velasco-Avilés S, Fernández-Susavila H, Riobello-Suárez C, Dziechciarz B, Montiel-Duarte C, Lopitz-Otsoa F, Bizkarguenaga M, Bilbao-García J, Bernardo-Seisdedos G, Senra A, Soriano-Navarro M, Millet O, Díaz-Lagares Á, Crujeiras AB, Bao-Caamano A, Cabrera D, van Liempd S, Tamayo-Carro M, Borzacchiello L, Gomez-Santos B, Buqué X, Sáenz de Urturi D, González-Romero F, Simon J, Rodríguez-Agudo R, Ruiz A, Matute C, Beiroa D, Falcon-Perez JM, Aspichueta P, Rodríguez-Cuesta J, Porcelli M, Pajares MA, Ameneiro C, Fidalgo M, Aransay AM, Lama-Díaz T, Blanco MG, López M, Villa-Bellosta R, Müller TD, Nogueiras R, Woodhoo A, Martínez-Chantar ML, Varela-Rey M. Hepatic levels of S-adenosylmethionine regulate the adaptive response to fasting. Cell Metab 2023; 35:1373-1389.e8. [PMID: 37527658 PMCID: PMC10432853 DOI: 10.1016/j.cmet.2023.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 03/30/2023] [Accepted: 07/06/2023] [Indexed: 08/03/2023]
Abstract
There has been an intense focus to uncover the molecular mechanisms by which fasting triggers the adaptive cellular responses in the major organs of the body. Here, we show that in mice, hepatic S-adenosylmethionine (SAMe)-the principal methyl donor-acts as a metabolic sensor of nutrition to fine-tune the catabolic-fasting response by modulating phosphatidylethanolamine N-methyltransferase (PEMT) activity, endoplasmic reticulum-mitochondria contacts, β-oxidation, and ATP production in the liver, together with FGF21-mediated lipolysis and thermogenesis in adipose tissues. Notably, we show that glucagon induces the expression of the hepatic SAMe-synthesizing enzyme methionine adenosyltransferase α1 (MAT1A), which translocates to mitochondria-associated membranes. This leads to the production of this metabolite at these sites, which acts as a brake to prevent excessive β-oxidation and mitochondrial ATP synthesis and thereby endoplasmic reticulum stress and liver injury. This work provides important insights into the previously undescribed function of SAMe as a new arm of the metabolic adaptation to fasting.
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Affiliation(s)
- Alba Capelo-Diz
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Sofía Lachiondo-Ortega
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - David Fernández-Ramos
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain; Centro de investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de salud Carlos III, 28029 Madrid, Spain
| | - Jorge Cañas-Martín
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Naroa Goikoetxea-Usandizaga
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Marina Serrano-Maciá
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Maria J González-Rellan
- Department of Physiology, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain
| | - Laura Mosca
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Via Luigi De Crecchio 7, 80138 Naples, Italy
| | - Joan Blazquez-Vicens
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Alberto Tinahones-Ruano
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Marcos F Fondevila
- Department of Physiology, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Santiago de Compostela, A Coruña 15706, Spain
| | - Mason Buyan
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Teresa C Delgado
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Virginia Gutierrez de Juan
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Paula Ayuso-García
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Alejandro Sánchez-Rueda
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Sergio Velasco-Avilés
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Héctor Fernández-Susavila
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Cristina Riobello-Suárez
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Bartlomiej Dziechciarz
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Cristina Montiel-Duarte
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
| | - Fernando Lopitz-Otsoa
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Maider Bizkarguenaga
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Jon Bilbao-García
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Ganeko Bernardo-Seisdedos
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Ana Senra
- CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain
| | - Mario Soriano-Navarro
- Electron Microscopy Core Facility, Centro de Investigación Príncipe Felipe (CIPF), Valencia 46012, Spain
| | - Oscar Millet
- Precision Medicine and Metabolism Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Ángel Díaz-Lagares
- Epigenomics Unit, Cancer Epigenomics, Translational Medical Oncology Group (ONCOMET), Health Research Institute of Santiago de Compostela (IDIS), University Clinical Hospital of Santiago (CHUS/SERGAS), Santiago de Compostela, A Coruña 15706, Spain
| | - Ana B Crujeiras
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Santiago de Compostela, A Coruña 15706, Spain; Epigenomics in Endocrinology and Nutrition Group, Epigenomics Unit, Instituto de Investigacion Sanitaria de Santiago de Compostela (IDIS), Complejo Hospitalario Universitario de Santiago de Compostela (CHUS/SERGAS), 15706 Santiago de Compostela, Spain
| | - Aida Bao-Caamano
- Epigenomics in Endocrinology and Nutrition Group, Epigenomics Unit, Instituto de Investigacion Sanitaria de Santiago de Compostela (IDIS), Complejo Hospitalario Universitario de Santiago de Compostela (CHUS/SERGAS), 15706 Santiago de Compostela, Spain
| | - Diana Cabrera
- Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Sebastiaan van Liempd
- Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Miguel Tamayo-Carro
- Nerve Disorders Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Luigi Borzacchiello
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Via Luigi De Crecchio 7, 80138 Naples, Italy
| | - Beatriz Gomez-Santos
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
| | - Xabier Buqué
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
| | - Diego Sáenz de Urturi
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
| | - Francisco González-Romero
- Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain
| | - Jorge Simon
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Rubén Rodríguez-Agudo
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Asier Ruiz
- Laboratory of Neurobiology, Achucarro Basque Center for Neuroscience, Department of Neurosciences, University of Basque Country (UPV/EHU), Centro de investigación Biomedica en Red de Enfermedades Neurodegenerativas (CIBERNED), 48940 Leioa, Spain
| | - Carlos Matute
- Laboratory of Neurobiology, Achucarro Basque Center for Neuroscience, Department of Neurosciences, University of Basque Country (UPV/EHU), Centro de investigación Biomedica en Red de Enfermedades Neurodegenerativas (CIBERNED), 48940 Leioa, Spain
| | - Daniel Beiroa
- Experimental Biomedicine Center (CEBEGA), University of Santiago de Compostela, A Coruña 15706, Spain
| | - Juan M Falcon-Perez
- Centro de investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de salud Carlos III, 28029 Madrid, Spain; Metabolomics Platform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Bizkaia 48009, Spain
| | - Patricia Aspichueta
- Centro de investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de salud Carlos III, 28029 Madrid, Spain; Department of Physiology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Spain; Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Juan Rodríguez-Cuesta
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Marina Porcelli
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Via Luigi De Crecchio 7, 80138 Naples, Italy
| | - María A Pajares
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Cristina Ameneiro
- Stem Cells and Human Diseases, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain
| | - Miguel Fidalgo
- Stem Cells and Human Diseases, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain
| | - Ana M Aransay
- Genome Analysis Plataform, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain
| | - Tomas Lama-Díaz
- DNA Repair and Genome Integrity Laboratory, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain
| | - Miguel G Blanco
- DNA Repair and Genome Integrity Laboratory, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain; Department of Biochemistry and Molecular Biology, University of Santiago de Compostela, Plaza do Obradoiro s/n, Santiago de Compostela, Spain
| | - Miguel López
- Department of Physiology, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Santiago de Compostela, A Coruña 15706, Spain
| | - Ricardo Villa-Bellosta
- Department of Biochemistry and Molecular Biology, University of Santiago de Compostela, Plaza do Obradoiro s/n, Santiago de Compostela, Spain; Metabolic Homeostasis and Vascular Calcification Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain
| | - Timo D Müller
- Institute for Diabetes and Obesity, Helmholtz Zentrum Munich, and German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
| | - Rubén Nogueiras
- Department of Physiology, CIMUS, University of Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Santiago de Compostela, A Coruña 15706, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Santiago de Compostela, A Coruña 15706, Spain; Oportunius Program, Galician Agency of Innovation (GAIN), Xunta de Galicia, Santiago de Compostela, A Coruña, Spain
| | - Ashwin Woodhoo
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain; Nerve Disorders Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Bizkaia 48009, Spain; Oportunius Program, Galician Agency of Innovation (GAIN), Xunta de Galicia, Santiago de Compostela, A Coruña, Spain; Department of Functional Biology, University of Santiago de Compostela, Plaza do Obradoiro s/n, Santiago de Compostela, Spain
| | - María Luz Martínez-Chantar
- Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain; Centro de investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de salud Carlos III, 28029 Madrid, Spain.
| | - Marta Varela-Rey
- Gene Regulatory Control in Disease Laboratory, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, A Coruña 15706, Spain; Liver Disease Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 48160 Derio, Spain; Centro de investigación Biomedica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de salud Carlos III, 28029 Madrid, Spain; Department of Biochemistry and Molecular Biology, University of Santiago de Compostela, Plaza do Obradoiro s/n, Santiago de Compostela, Spain.
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Simultaneous Quantification of Steroid Hormones Using hrLC-MS in Endocrine Tissues of Male Rats and Human Samples. Metabolites 2022; 12:metabo12080714. [PMID: 36005586 PMCID: PMC9414922 DOI: 10.3390/metabo12080714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/22/2022] [Accepted: 07/28/2022] [Indexed: 12/03/2022] Open
Abstract
Steroid hormones play a vital role in the regulation of cellular processes, and dysregulation of these metabolites can provoke or aggravate pathological issues, such as autoimmune diseases and cancer. Regulation of steroid hormones involves different organs and biological compartments. Therefore, it is important to accurately determine their levels in tissues and biofluids to monitor changes after challenge or during disease. In this work, we have developed and optimized the extraction and quantification of 11 key members of the different steroid classes, including androgens, estrogens, progestogens and corticoids. The assay consists of a liquid/liquid extraction step and subsequent quantification by high-resolution liquid chromatography coupled time-of-flight mass spectrometry. The recoveries range between 74.2 to 126.9% and 54.9 to 110.7%, using a cell culture or urine as matrix, respectively. In general, the signal intensity loss due to matrix effect is no more than 30%. The method has been tested in relevant steroidogenic tissues in rat models and it has also been tested in human urine samples. Overall, this assay measures 11 analytes simultaneously in 6 min runtime and it has been applied in adrenal gland, testis, prostate, brain and serum from rats, and urine and extracellular vesicles from humans.
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Azparren-Angulo M, Royo F, Gonzalez E, Liebana M, Brotons B, Berganza J, Goñi-de-Cerio F, Manicardi N, Abad-Jordà L, Gracia-Sancho J, Falcon-Perez JM. Extracellular vesicles in hepatology: Physiological role, involvement in pathogenesis, and therapeutic opportunities. Pharmacol Ther 2020; 218:107683. [PMID: 32961265 DOI: 10.1016/j.pharmthera.2020.107683] [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: 07/27/2020] [Accepted: 09/09/2020] [Indexed: 02/06/2023]
Abstract
Since the first descriptions of hepatocyte-released exosome-like vesicles in 2008, the number of publications describing Extracellular Vesicles (EVs) released by liver cells in the context of hepatic physiology and pathology has grown exponentially. This growing interest highlights both the importance that cell-to-cell communication has in the organization of multicellular organisms from a physiological point of view, as well as the opportunity that these circulating organelles offer in diagnostics and therapeutics. In the present review, we summarize systematically and comprehensively the myriad of works that appeared in the last decade and lighted the discussion about the best opportunities for using EVs in liver disease therapeutics.
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Affiliation(s)
- Maria Azparren-Angulo
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain
| | - Felix Royo
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain; Centro de Investigación Biomédica en Red de enfermedades hepáticas y digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid 28029, Spain
| | - Esperanza Gonzalez
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain
| | - Marc Liebana
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain
| | - Bruno Brotons
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain
| | - Jesús Berganza
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico, Edificio 202, 48170 Zamudio, Bizkaia, Spain
| | - Felipe Goñi-de-Cerio
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), Parque Tecnológico, Edificio 202, 48170 Zamudio, Bizkaia, Spain
| | - Nicoló Manicardi
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Unit, IDIBAPS, CIBEREHD, Barcelona, Spain
| | - Laia Abad-Jordà
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Unit, IDIBAPS, CIBEREHD, Barcelona, Spain
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Unit, IDIBAPS, CIBEREHD, Barcelona, Spain; Hepatology, Department of Biomedical Research, Inselspital & University of Bern, Switzerland
| | - Juan M Falcon-Perez
- Exosomes Laboratory, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain; Centro de Investigación Biomédica en Red de enfermedades hepáticas y digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid 28029, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Bizkaia 48015, Spain.
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Khan SA, Choudhury R, Majumdar M, Nandi NB, Roy S, Misra TK. Gluconate‐Stabilized Silver Nanoparticles as pH Dependent Dual‐Nanosensor for Quantitative Evaluation of Methionine and Cysteine. ChemistrySelect 2020. [DOI: 10.1002/slct.202001654] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Shamim Ahmed Khan
- Department of ChemistryNational Institute of Technology Agartala Agartala Tripura 799046 India
| | - Rupasree Choudhury
- Department of ChemistryNational Institute of Technology Agartala Agartala Tripura 799046 India
| | - Moumita Majumdar
- Department of ChemistryNational Institute of Technology Agartala Agartala Tripura 799046 India
| | | | - Shaktibrata Roy
- Department of ChemistryNational Institute of Technology Agartala Agartala Tripura 799046 India
| | - Tarun Kumar Misra
- Department of ChemistryNational Institute of Technology Agartala Agartala Tripura 799046 India
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Hepatic accumulation of S-adenosylmethionine in hamsters with non-alcoholic fatty liver disease associated with metabolic syndrome under selenium and vitamin E deficiency. Clin Sci (Lond) 2019; 133:409-423. [PMID: 29122967 DOI: 10.1042/cs20171039] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 10/27/2017] [Accepted: 11/09/2017] [Indexed: 12/13/2022]
Abstract
Progression of non-alcoholic fatty liver disease (NAFLD) in the context of metabolic syndrome (MetS) is only partially explored due to the lack of preclinical models. In order to study the alterations in hepatic metabolism that accompany this condition, we developed a model of MetS accompanied by the onset of steatohepatitis (NASH) by challenging golden hamsters with a high-fat diet low in vitamin E and selenium (HFD), since combined deficiency results in hepatic necroinflammation in rodents. Metabolomics and transcriptomics integrated analyses of livers revealed an unexpected accumulation of hepatic S-Adenosylmethionine (SAM) when compared with healthy livers likely due to diminished methylation reactions and repression of GNMT. SAM plays a key role in the maintenance of cellular homeostasis and cell cycle control. In agreement, analysis of over-represented transcription factors revealed a central role of c-myc and c-Jun pathways accompanied by negative correlations between SAM concentration, MYC expression and AMPK phosphorylation. These findings point to a drift of cell cycle control toward senescence in livers of HFD animals, which could explain the onset of NASH in this model. In contrast, hamsters with NAFLD induced by a conventional high-fat diet did not show SAM accumulation, suggesting a key role of selenium and vitamin E in SAM homeostasis. In conclusion, our results suggest that progression of NAFLD in the context of MetS can take place even in a situation of hepatic SAM excess and that selenium and vitamin E status might be considered in current therapies against NASH based on SAM supplementation.
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Iruarrizaga-Lejarreta M, Varela-Rey M, Fernández-Ramos D, Martínez-Arranz I, Delgado TC, Simon J, Juan VGD, delaCruz-Villar L, Azkargorta M, Lavin JL, Mayo R, Van Liempd SM, Aurrekoetxea I, Buqué X, Cave DD, Peña A, Rodríguez-Cuesta J, Aransay AM, Elortza F, Falcón-Pérez JM, Aspichueta P, Hayardeny L, Noureddin M, Sanyal AJ, Alonso C, Anguita J, Martínez-Chantar ML, Lu SC, Mato JM. Role of Aramchol in steatohepatitis and fibrosis in mice. Hepatol Commun 2017; 1:911-927. [PMID: 29159325 PMCID: PMC5691602 DOI: 10.1002/hep4.1107] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is the advanced form of nonalcoholic fatty liver disease (NAFLD) that sets the stage for further liver damage. The mechanism for the progression of NASH involves multiple parallel hits, including oxidative stress, mitochondrial dysfunction, inflammation, and others. Manipulation of any of these pathways may be an approach to prevent NASH development and progression. Arachidyl‐amido cholanoic acid (Aramchol) is presently in a phase IIb NASH study. The aim of the present study was to investigate Aramchol's mechanism of action and its effect on fibrosis using the methionine‐ and choline‐deficient (MCD) diet model of NASH. We collected liver and serum from mice fed an MCD diet containing 0.1% methionine (0.1MCD) for 4 weeks; these mice developed steatohepatitis and fibrosis. We also collected liver and serum from mice receiving a control diet, and metabolomes and proteomes were determined for both groups. The 0.1MCD‐fed mice were given Aramchol (5 mg/kg/day for the last 2 weeks), and liver samples were analyzed histologically. Aramchol administration reduced features of steatohepatitis and fibrosis in 0.1MCD‐fed mice. Aramchol down‐regulated stearoyl‐coenyzme A desaturase 1, a key enzyme involved in triglyceride biosynthesis and the loss of which enhances fatty acid β‐oxidation. Aramchol increased the flux through the transsulfuration pathway, leading to a rise in glutathione (GSH) and the GSH/oxidized GSH ratio, the main cellular antioxidant that maintains intracellular redox status. Comparison of the serum metabolomic pattern between 0.1MCD‐fed mice and patients with NAFLD showed a substantial overlap. Conclusion: Aramchol treatment improved steatohepatitis and fibrosis by 1) decreasing stearoyl‐coenyzme A desaturase 1 and 2) increasing the flux through the transsulfuration pathway maintaining cellular redox homeostasis. We also demonstrated that the 0.1MCD model resembles the metabolic phenotype observed in about 50% of patients with NAFLD, which supports the potential use of Aramchol in NASH treatment. (Hepatology Communications 2017;1:911–927)
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Affiliation(s)
| | - Marta Varela-Rey
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | | | | | - Teresa C Delgado
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | - Jorge Simon
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | | | | | - Mikel Azkargorta
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | - José L Lavin
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | - Rebeca Mayo
- OWL Metabolomics, Parque Tecnológico de Bizkaia, Derio, Spain
| | | | - Igor Aurrekoetxea
- Department of Physiology, University of the Basque Country, Biocruces Research Institute, Leioa, Spain
| | - Xabier Buqué
- Department of Physiology, University of the Basque Country, Biocruces Research Institute, Leioa, Spain
| | | | - Arantza Peña
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | | | - Ana M Aransay
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | - Felix Elortza
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
| | - Juan M Falcón-Pérez
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain.,IKERBASQUE Basque Foundation for Science, Bilbao, Spain
| | - Patricia Aspichueta
- Department of Physiology, University of the Basque Country, Biocruces Research Institute, Leioa, Spain
| | | | - Mazen Noureddin
- Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Arun J Sanyal
- Division of Gastroenterology and Hepatology, Virginia Commonwealth University Medical Center, Richmond, USA
| | - Cristina Alonso
- OWL Metabolomics, Parque Tecnológico de Bizkaia, Derio, Spain
| | - Juan Anguita
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain.,IKERBASQUE Basque Foundation for Science, Bilbao, Spain
| | | | - Shelly C Lu
- Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - José M Mato
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain
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7
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Alonso C, Fernández-Ramos D, Varela-Rey M, Martínez-Arranz I, Navasa N, Van Liempd SM, Lavin JL, Mayo R, Ilisso CP, de Juan VG, Iruarrizaga-Lejarreta M, delaCruz-Villar L, Mincholé I, Robinson A, Crespo J, Martín-Duce A, Romero-Gomez M, Sann H, Platon J, Van Eyk J, Aspichueta P, Noureddin M, Falcón-Pérez JM, Anguita J, Aransay AM, Martínez-Chantar ML, Lu SC, Mato JM. Metabolomic Identification of Subtypes of Nonalcoholic Steatohepatitis. Gastroenterology 2017; 152:1449-1461.e7. [PMID: 28132890 PMCID: PMC5406239 DOI: 10.1053/j.gastro.2017.01.015] [Citation(s) in RCA: 189] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 12/21/2016] [Accepted: 01/09/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Nonalcoholic fatty liver disease (NAFLD) is a consequence of defects in diverse metabolic pathways that involve hepatic accumulation of triglycerides. Features of these aberrations might determine whether NAFLD progresses to nonalcoholic steatohepatitis (NASH). We investigated whether the diverse defects observed in patients with NAFLD are caused by different NAFLD subtypes with specific serum metabolomic profiles, and whether these can distinguish patients with NASH from patients with simple steatosis. METHODS We collected liver and serum from methionine adenosyltransferase 1a knockout (MAT1A-KO) mice, which have chronically low levels of hepatic S-adenosylmethionine (SAMe) and spontaneously develop steatohepatitis, as well as C57Bl/6 mice (controls); the metabolomes of all samples were determined. We also analyzed serum metabolomes of 535 patients with biopsy-proven NAFLD (353 with simple steatosis and 182 with NASH) and compared them with serum metabolomes of mice. MAT1A-KO mice were also given SAMe (30 mg/kg/day for 8 weeks); liver samples were collected and analyzed histologically for steatohepatitis. RESULTS Livers of MAT1A-KO mice were characterized by high levels of triglycerides, diglycerides, fatty acids, ceramides, and oxidized fatty acids, as well as low levels of SAMe and downstream metabolites. There was a correlation between liver and serum metabolomes. We identified a serum metabolomic signature associated with MAT1A-KO mice that also was present in 49% of the patients; based on this signature, we identified 2 NAFLD subtypes. We identified specific panels of markers that could distinguish patients with NASH from patients with simple steatosis for each subtype of NAFLD. Administration of SAMe reduced features of steatohepatitis in MAT1A-KO mice. CONCLUSIONS In an analysis of serum metabolomes of patients with NAFLD and MAT1A-KO mice with steatohepatitis, we identified 2 major subtypes of NAFLD and markers that differentiate steatosis from NASH in each subtype. These might be used to monitor disease progression and identify therapeutic targets for patients.
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Affiliation(s)
- Cristina Alonso
- OWL Metabolomics, Parque Tecnológico de Bizkaia, Derio,
Spain
| | | | - Marta Varela-Rey
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio,
Spain
| | | | - Nicolás Navasa
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio,
Spain
| | | | - José L Lavin
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio,
Spain
| | - Rebeca Mayo
- OWL Metabolomics, Parque Tecnológico de Bizkaia, Derio,
Spain
| | | | | | | | | | - Itziar Mincholé
- OWL Metabolomics, Parque Tecnológico de Bizkaia, Derio,
Spain
| | - Aaron Robinson
- Advanced Clinical Biosystems Research Institute, Cedars-Sinai
Medical Center, Los Angeles, CA, USA
| | - Javier Crespo
- Gastroenterology and Hepatology Department. Infection, Immunity and
Digestive Pathology Group. IDIVAL, Instituto de Investigación Valdecilla.
Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Antonio Martín-Duce
- Hospital Universitario Príncipe de Asturias. Faculty of
Medicine and Health Science. Alcalá University, Madrid, Spain
| | - Manuel Romero-Gomez
- Unidad de Enfermedades Digestivas. Hospital Virgen de Valme.
Hospital Universitario Virgen Macarena y Virgen del Rocío. Instituto de
Biomedicina de Sevilla, Universidad de Sevilla, CIBERehd, Seville, Spain
| | - Holger Sann
- Abbott Laboratories GmbH, Freundallee 9A, 30173 Hannover,
Germany
| | - Julian Platon
- Abbott, Hegenheimermattweg 127, 4123 Allschwil, Switzerland
| | - Jennifer Van Eyk
- Advanced Clinical Biosystems Research Institute, Cedars-Sinai
Medical Center, Los Angeles, CA, USA
| | - Patricia Aspichueta
- Department of Physiology, University of the Basque Country,
Biocruces Research Institute, Spain
| | - Mazen Noureddin
- Division of Digestive and Liver Diseases, Cedars-Sinai Medical
Center, Los Angeles, CA, USA
| | | | - Juan Anguita
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio,
Spain
| | - Ana M Aransay
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio,
Spain
| | | | - Shelly C Lu
- Division of Digestive and Liver Diseases, Cedars-Sinai Medical
Center, Los Angeles, CA, USA
| | - José M Mato
- CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, Derio, Spain.
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8
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Lopes-Rodrigues V, Di Luca A, Mleczko J, Meleady P, Henry M, Pesic M, Cabrera D, van Liempd S, Lima RT, O'Connor R, Falcon-Perez JM, Vasconcelos MH. Identification of the metabolic alterations associated with the multidrug resistant phenotype in cancer and their intercellular transfer mediated by extracellular vesicles. Sci Rep 2017; 7:44541. [PMID: 28303926 PMCID: PMC5356019 DOI: 10.1038/srep44541] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 02/09/2017] [Indexed: 01/02/2023] Open
Abstract
Multidrug resistance (MDR) is a serious obstacle to efficient cancer treatment. Overexpression of P-glycoprotein (P-gp) plays a significant role in MDR. Recent studies proved that targeting cellular metabolism could sensitize MDR cells. In addition, metabolic alterations could affect the extracellular vesicles (EVs) cargo and release. This study aimed to: i) identify metabolic alterations in P-gp overexpressing cells that could be involved in the development of MDR and, ii) identify a potential role for the EVs in the acquisition of the MDR. Two different pairs of MDR and their drug-sensitive counterpart cancer cell lines were used. Our results showed that MDR (P-gp overexpressing) cells have a different metabolic profile from their drug-sensitive counterparts, demonstrating decreases in the pentose phosphate pathway and oxidative phosphorylation rate; increases in glutathione metabolism and glycolysis; and alterations in the methionine/S-adenosylmethionine pathway. Remarkably, EVs from MDR cells were capable of stimulating a metabolic switch in the drug-sensitive cancer cells, towards a MDR phenotype. In conclusion, obtained results contribute to the growing knowledge about metabolic alterations in MDR cells and the role of EVs in the intercellular transfer of MDR. The specific metabolic alterations identified in this study may be further developed as targets for overcoming MDR.
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Affiliation(s)
- Vanessa Lopes-Rodrigues
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal.,ICBAS-UP - Institute of Biomedical Sciences Abel Salazar, University of Porto, 4099-003 Porto, Portugal
| | - Alessio Di Luca
- NICB - National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Justyna Mleczko
- Exosomes Laboratory &Metabolomics platform, CIC bioGUNE, CIBERehd, Derio, Spain
| | - Paula Meleady
- NICB - National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Michael Henry
- NICB - National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Milica Pesic
- Institute for Biological Research "Sinisa Stankovic", University of Belgrade, Despota Stefana 142, 11060 Belgrade, Serbia
| | - Diana Cabrera
- Exosomes Laboratory &Metabolomics platform, CIC bioGUNE, CIBERehd, Derio, Spain
| | | | - Raquel T Lima
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal.,Department of Pathology - FMUP - Faculty of Medicine of the University of Porto, Porto, Portugal, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Robert O'Connor
- NICB - National Institute for Cellular Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Juan M Falcon-Perez
- Exosomes Laboratory &Metabolomics platform, CIC bioGUNE, CIBERehd, Derio, Spain.,IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
| | - M Helena Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal.,Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, 4200-465 Porto, Portugal.,Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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9
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Methionine production—a critical review. Appl Microbiol Biotechnol 2014; 98:9893-914. [DOI: 10.1007/s00253-014-6156-y] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 10/09/2014] [Accepted: 10/12/2014] [Indexed: 12/31/2022]
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10
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Murray B, Antonyuk SV, Marina A, Van Liempd SM, Lu SC, Mato JM, Hasnain SS, Rojas AL. Structure and function study of the complex that synthesizes S-adenosylmethionine. IUCRJ 2014; 1:240-9. [PMID: 25075345 PMCID: PMC4107924 DOI: 10.1107/s2052252514012585] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 05/30/2014] [Indexed: 05/08/2023]
Abstract
S-Adenosylmethionine (SAMe) is the principal methyl donor of the cell and is synthesized via an ATP-driven process by methionine adenosyltransferase (MAT) enzymes. It is tightly linked with cell proliferation in liver and colon cancer. In humans, there are three genes, mat1A, mat2A and mat2B, which encode MAT enzymes. mat2A and mat2B transcribe MATα2 and MATβ enzyme subunits, respectively, with catalytic and regulatory roles. The MATα2β complex is expressed in nearly all tissues and is thought to be essential in providing the necessary SAMe flux for methylation of DNA and various proteins including histones. In human hepatocellular carcinoma mat2A and mat2B genes are upregulated, highlighting the importance of the MATα2β complex in liver disease. The individual subunits have been structurally characterized but the nature of the complex has remained elusive despite its existence having been postulated for more than 20 years and the observation that MATβ is often co-localized with MATα2. Though SAMe can be produced by MAT(α2)4 alone, this paper shows that the V max of the MATα2β complex is three- to fourfold higher depending on the variants of MATβ that participate in complex formation. Using X-ray crystallography and solution X-ray scattering, the first structures are provided of this 258 kDa functional complex both in crystals and solution with an unexpected stoichiometry of 4α2 and 2βV2 subunits. It is demonstrated that the N-terminal regulates the activity of the complex and it is shown that complex formation takes place surprisingly via the C-terminal of MATβV2 that buries itself in a tunnel created at the interface of the MAT(α2)2. The structural data suggest a unique mechanism of regulation and provide a gateway for structure-based drug design in anticancer therapies.
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Affiliation(s)
- Ben Murray
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, L69 7ZX, England
- Structural Biology Unit CIC bioGUNE, Parque Tecnológico de Bizkaia, 48160 Derio, Bizkaia, Spain
| | - Svetlana V. Antonyuk
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, L69 7ZX, England
| | - Alberto Marina
- Structural Biology Unit CIC bioGUNE, Parque Tecnológico de Bizkaia, 48160 Derio, Bizkaia, Spain
| | - Sebastiaan M. Van Liempd
- Metabolomics Unit, CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, 48160 Derio, Bizkaia, Spain
| | - Shelly C. Lu
- Division of Gastroenterology and Liver Diseases, USC Research Center for Liver Diseases, USC–UCLA Research Center for ALPD and Cirrhosis, Keck School of Medicine, Los Angeles, California, CA 90033, USA
| | - Jose M. Mato
- Metabolomics Unit, CIC bioGUNE, CIBERehd, Parque Tecnológico de Bizkaia, 48160 Derio, Bizkaia, Spain
| | - S. Samar Hasnain
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, L69 7ZX, England
| | - Adriana L. Rojas
- Structural Biology Unit CIC bioGUNE, Parque Tecnológico de Bizkaia, 48160 Derio, Bizkaia, Spain
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