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Xu R, Vatsalya V, He L, Ma X, Feng W, McClain CJ, Zhang X. Altered urinary tryptophan metabolites in alcohol-associated liver disease. ALCOHOL, CLINICAL & EXPERIMENTAL RESEARCH 2023; 47:1665-1676. [PMID: 37431708 PMCID: PMC10782820 DOI: 10.1111/acer.15148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/12/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Alcohol-associated liver disease (ALD) leads to millions of deaths worldwide annually. A few potential biomarkers of ALD have been discovered through metabolomic or proteomic analysis. Tryptophan (Trp), one of nine essential amino acids, has been extensively studied and shown to play significant roles in many mammalian physiological processes. However, Trp metabolism changes in ALD are not yet fully understood. Whereas urine is an abundant and non-invasive source for disease biomarker discovery the current study investigated whether the abundance of Trp metabolites in the urine of ALD patients differs from that of healthy subjects. We also examined whether, if present in ALD, changes in urinary Trp metabolites can serve as markers for differentiating between mild/moderate and severe ALD. METHODS We quantified the concentration of Trp and its metabolites in urine samples of healthy controls (n = 18), patients with mild or moderate alcohol-related liver injury (non-severe ALD; n = 21), and patients with severe alcohol-associated hepatitis (severe AH; n = 25) using both untargeted and targeted metabolomics. RESULTS Eighteen Trp metabolites were identified and quantified from the untargeted metabolomics data. We developed a targeted metabolomics method to quantify the Trp and its metabolites and quantified 17 metabolites from the human urine samples. The data acquired in the untargeted and targeted platforms agreed and showed that the Trp concentration is not affected by the severity of ALD. However, the abundance of 10 Trp metabolites was correlated with the model for end-stage liver disease (MELD) score, with the abundance of nine metabolites significantly different between the healthy control and ALD patient groups. CONCLUSION We found that Trp metabolism differs between ALD patients and healthy controls even though the concentration of Trp was not affected. Two Trp metabolites, quinolinic acid and indoxyl sulfate, correlate highly with the severity of ALD.
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Affiliation(s)
- Raobo Xu
- Department of Chemistry, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Center for Regulatory and Environmental Analytical Metabolomics, University of Louisville, Louisville, KY 40208, U.S.A
| | - Vatsalya Vatsalya
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Medicine, University of Louisville, Louisville, KY 40208, U.S.A
| | - Liqing He
- Department of Chemistry, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Center for Regulatory and Environmental Analytical Metabolomics, University of Louisville, Louisville, KY 40208, U.S.A
| | - Xipeng Ma
- Department of Chemistry, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Center for Regulatory and Environmental Analytical Metabolomics, University of Louisville, Louisville, KY 40208, U.S.A
| | - Wenke Feng
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Medicine, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40208, U.S.A
| | - Craig J. McClain
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Medicine, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40208, U.S.A
- Robley Rex Louisville VAMC, Louisville, KY 40292, U.S.A
| | - Xiang Zhang
- Department of Chemistry, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Alcohol Research Center, University of Louisville, Louisville, KY 40208, U.S.A
- University of Louisville Hepatobiology & Toxicology Center of Biomedical Research Excellence, University of Louisville, Louisville, KY 40208, U.S.A
- Center for Regulatory and Environmental Analytical Metabolomics, University of Louisville, Louisville, KY 40208, U.S.A
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40208, U.S.A
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Wu F, Li Z, Chen X, Si X, Lin S. Untargeted metabolomics reveals sour jujube kernel benefiting the nutritional value and flavor of Morchella esculenta. Open Life Sci 2023; 18:20220708. [PMID: 37671097 PMCID: PMC10476485 DOI: 10.1515/biol-2022-0708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/08/2023] [Accepted: 08/02/2023] [Indexed: 09/07/2023] Open
Abstract
Nucleosides, organic acids, and amino acids separated from Morchella esculenta are well known for their nutritional value and flavor. However, how to increase their content in a better way has been a challenge. In this study, the effect of adding jujube kernel on the active components of M. esculenta was investigated by untargeted metabolomics using UPLC-MS/MS. A total of 1,243 metabolites were identified, of which 262 metabolites (21.078%) were organic acids and derivatives, 245 metabolites (19.71%) were lipids and lipid-like molecules, and 26 metabolites (2.092%) were nucleosides, nucleotides, and analogues. Subsequently, differential metabolites between groups were screened by the orthogonal partial least squares-discriminant analysis model, which showed that 256 metabolites were identified as significantly different for the positive ion model and 149 for the negative ion model. Moreover, significant differential metabolites (VIP > 1, P < 0.05) in annotation of kyoto encyclopedia of genes and genomes pathway were investigated, which showed that ABC transporters were the most commonly observed transporters, followed by pyrimidine metabolism and purine metabolism. The results indicated that the main components of jujube kernel might be conducive to the accumulation of nucleoside organic acids and amino acid metabolites in M. esculenta. These results provide important information for the understanding of more suitable way for cultivation of M. esculenta.
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Affiliation(s)
- Fenfang Wu
- Department of Central Laboratory, Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Zhiyuan Li
- Department of Acupuncture, Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Xiaoni Chen
- Department of Central Laboratory, Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Xinlei Si
- Department of Central Laboratory, Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Shan Lin
- Department of Central Laboratory, Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
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Martinez-Lopez S, Angel-Gomis E, Sanchez-Ardid E, Pastor-Campos A, Picó J, Gomez-Hurtado I. The 3Rs in Experimental Liver Disease. Animals (Basel) 2023; 13:2357. [PMID: 37508134 PMCID: PMC10376896 DOI: 10.3390/ani13142357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Patients with cirrhosis present multiple physiological and immunological alterations that play a very important role in the development of clinically relevant secondary complications to the disease. Experimentation in animal models is essential to understand the pathogenesis of human diseases and, considering the high prevalence of liver disease worldwide, to understand the pathophysiology of disease progression and the molecular pathways involved, due to the complexity of the liver as an organ and its relationship with the rest of the organism. However, today there is a growing awareness about the sensitivity and suffering of animals, causing opposition to animal research among a minority in society and some scientists, but also about the attention to the welfare of laboratory animals since this has been built into regulations in most nations that conduct animal research. In 1959, Russell and Burch published the book "The Principles of Humane Experimental Technique", proposing that in those experiments where animals were necessary, everything possible should be done to try to replace them with non-sentient alternatives, to reduce to a minimum their number, and to refine experiments that are essential so that they caused the least amount of pain and distress. In this review, a comprehensive summary of the most widely used techniques to replace, reduce, and refine in experimental liver research is offered, to assess the advantages and weaknesses of available experimental liver disease models for researchers who are planning to perform animal studies in the near future.
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Affiliation(s)
- Sebastian Martinez-Lopez
- Instituto ISABIAL, Hospital General Universitario Dr. Balmis, 03010 Alicante, Spain
- Departamento de Medicina Clínica, Universidad Miguel Hernández, 03550 Sant Joan, Spain
| | - Enrique Angel-Gomis
- Instituto ISABIAL, Hospital General Universitario Dr. Balmis, 03010 Alicante, Spain
- Departamento de Medicina Clínica, Universidad Miguel Hernández, 03550 Sant Joan, Spain
| | - Elisabet Sanchez-Ardid
- CIBERehd, Instituto de Salud Carlos III, 28220 Madrid, Spain
- Servicio de Patología Digestiva, Institut de Recerca IIB-Sant Pau, Hospital de Santa Creu i Sant Pau, 08025 Barcelona, Spain
| | - Alberto Pastor-Campos
- Oficina de Investigación Responsable, Universidad Miguel Hernández, 03202 Elche, Spain
| | - Joanna Picó
- Instituto ISABIAL, Hospital General Universitario Dr. Balmis, 03010 Alicante, Spain
| | - Isabel Gomez-Hurtado
- Instituto ISABIAL, Hospital General Universitario Dr. Balmis, 03010 Alicante, Spain
- Departamento de Medicina Clínica, Universidad Miguel Hernández, 03550 Sant Joan, Spain
- CIBERehd, Instituto de Salud Carlos III, 28220 Madrid, Spain
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Metabolomic Characteristics of Liver and Cecum Contents in High-Fat-Diet-Induced Obese Mice Intervened with Lactobacillus plantarum FRT10. Foods 2022; 11:foods11162491. [PMID: 36010491 PMCID: PMC9407591 DOI: 10.3390/foods11162491] [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: 06/22/2022] [Revised: 08/08/2022] [Accepted: 08/16/2022] [Indexed: 11/23/2022] Open
Abstract
Obesity has become a major social problem related to health and quality of life. Our previous work demonstrated that Lactobacillus plantarum FRT10 alleviated obesity in high-fat diet (HFD)-fed mice by alleviating gut dysbiosis. However, the underlying functions of FRT10 in regulating liver and cecum contents metabolism remain unknown. Liver and cecum contents metabonomics combined with pathway analysis based on ultraperformance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UHPLC-Q-TOF/MS) were performed to evaluate the alterations of metabolic profiles between obese control mice and obese mice in FRT10-treated groups. The orthogonal partial least squares discriminant analysis (OPLS-DA) score plots showed that there were significant differences in cecum contents and liver markers between experimental groups. In total, 26 potential biomarkers were identified in the liver and 15 in cecum contents that could explain the effect of FRT10 addition in HFD-fed mice. In addition, gut–liver axis analysis indicated that there was a strong correlation between cecum contents metabolites and hepatic metabolites. The mechanism of FRT10 against obesity might be related to the alterations in glycerophospholipid metabolism, primary bile acid biosynthesis, amino metabolism, and purine and pyrimidine metabolism. Studies on these metabolites could help us better understand the role of FRT10 in obesity induced by HFD.
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Gonzalez E, Azkargorta M, Garcia-Vallicrosa C, Prieto-Elordui J, Elortza F, Blanco-Sampascual S, Falcon-Perez JM. Could protein content of Urinary Extracellular Vesicles be useful to detect Cirrhosis in Alcoholic Liver Disease? Int J Biol Sci 2021; 17:1864-1877. [PMID: 34131392 PMCID: PMC8193259 DOI: 10.7150/ijbs.59725] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/10/2021] [Indexed: 12/13/2022] Open
Abstract
Alcohol abuse has a high impact on the mortality and morbidity related to a great number of diseases and is responsible for the development of alcoholic liver disease (ALD). It remains challenging to detect and evaluate its severity, which is crucial for prognosis. In this work, we studied if urinary EVs (uEVs) could serve in diagnose and evaluate cirrhosis in ALD. To this purpose, uEVs characterization by cryo-electron microscopy (Cryo-EM), Nanoparticle Tracking Analysis (NTA) and Western blotting (WB) was performed in a cohort of 21 controls and 21 cirrhotic patients. Then, proteomics of uEVs was carried out in a second cohort of 6 controls and 8 patients in order to identify new putative biomarkers for cirrhosis in ALD. Interestingly, uEVs concentration, size and protein composition were altered in cirrhotic patients. From a total of 1304 proteins identified in uEVs, 90 of them were found to be altered in cirrhotic patients. The results suggest that uEVs could be considered as a tool and a supplier of new biomarkers for cirrhosis in ALD, whose application would be especially relevant in chronic patients. Yet, further research is necessary to obtain more relevant result in clinical terms.
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Affiliation(s)
- Esperanza Gonzalez
- Exosomes Laboratory. Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Mikel Azkargorta
- Proteomics Platform. Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Clara Garcia-Vallicrosa
- Exosomes Laboratory. Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
| | | | - Felix Elortza
- Proteomics Platform. Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
| | | | - Juan Manuel Falcon-Perez
- Exosomes Laboratory. Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
- Centro de Investigación Biomédica en Red de enfermedades hepáticas y digestivas (CIBERehd), Madrid, Spain
- IKERBASQUE Basque Foundation for Science Bilbao Spain
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Mohammed HA, Khan RA, Abdel-Hafez AA, Abdel-Aziz M, Ahmed E, Enany S, Mahgoub S, Al-Rugaie O, Alsharidah M, Aly MSA, Mehany ABM, Hegazy MM. Phytochemical Profiling, In Vitro and In Silico Anti-Microbial and Anti-Cancer Activity Evaluations and Staph GyraseB and h-TOP-IIβ Receptor-Docking Studies of Major Constituents of Zygophyllum coccineum L. Aqueous-Ethanolic Extract and Its Subsequent Fractions: An Approach to Validate Traditional Phytomedicinal Knowledge. Molecules 2021; 26:molecules26030577. [PMID: 33499325 PMCID: PMC7866194 DOI: 10.3390/molecules26030577] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 11/16/2022] Open
Abstract
Zygophyllum coccineum, an edible halophytic plant, is part of the traditional medicine chest in the Mediterranean region for symptomatic relief of diabetes, hypertension, wound healing, burns, infections, and rheumatoid arthritis pain. The current study aimed to characterize Z. coccineum phytoconstituents, and the evaluations of the anti-microbial-biofilm, and anti-cancers bioactivities of the plant’s mother liquor, i.e., aqueous-ethanolic extract, and its subsequent fractions. The in silico receptors interaction feasibility of Z. coccineum major constituents with Staph GyraseB, and human topoisomerase-IIβ (h-TOP-IIβ) were conducted to confirm the plant’s anti-microbial and anti-cancer biological activities. Thirty-eight secondary metabolites of flavonoids, stilbene, phenolic acids, alkaloids, and coumarin classes identified by LC-ESI-TOF-MS spectrometric analysis, and tiliroside (kaempferol-3-O-(6′′′′-p-coumaroyl)-glucoside, 19.8%), zygophyloside-F (12.78%), zygophyloside-G (9.67%), and isorhamnetin-3-O-glucoside (4.75%) were identified as the major constituents. A superior biofilm obliteration activity established the minimum biofilm eradication concentration (MBEC) for the chloroform fraction at 3.9–15.63 µg/mL, as compared to the positive controls (15.63–31.25 µg/mL) against all the microbial strains that produced the biofilm under study, except the Aspergillus fumigatus. The aqueous-ethanolic extract showed cytotoxic effects with IC50 values at 3.47, 3.19, and 2.27 µg/mL against MCF-7, HCT-116, and HepG2 cell-lines, respectively, together with the inhibition of h-TOP-IIβ with IC50 value at 45.05 ng/mL in comparison to its standard referral inhibitor (staurosporine, IC50, 135.33 ng/mL). This conclusively established the anti-cancer activity of the aqueous-ethanolic extract that also validated by in silico receptor-binding predicted energy levels and receptor-site docking feasibility of the major constituents of the plant’s extract. The study helped to authenticate some of the traditional phytomedicinal properties of the anti-infectious nature of the plant.
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Affiliation(s)
- Hamdoon A. Mohammed
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim 51452, Saudi Arabia;
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Cairo 11371, Egypt;
- Correspondence: (H.A.M.); (R.A.K.); Tel.: +966-566-176-074 (H.A.M.)
| | - Riaz A. Khan
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim 51452, Saudi Arabia;
- Correspondence: (H.A.M.); (R.A.K.); Tel.: +966-566-176-074 (H.A.M.)
| | - Atef A. Abdel-Hafez
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim 51452, Saudi Arabia;
| | - Marwa Abdel-Aziz
- Regional Center for Mycology and Biotechnology (RCMB), Al-Azhar University, Cairo 11371, Egypt;
| | - Eman Ahmed
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt;
- Proteomics and Metabolomics Unit, Department of Basic Research, Children’s Cancer Hospital Egypt 57357, Cairo 11441, Egypt;
| | - Shymaa Enany
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt;
| | - Sebaey Mahgoub
- Proteomics and Metabolomics Unit, Department of Basic Research, Children’s Cancer Hospital Egypt 57357, Cairo 11441, Egypt;
- Department of Physiology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Osamah Al-Rugaie
- Department of Basic Medical Sciences, College of Medicine and Medical Sciences, Qassim University, Unaizah, P.O. Box 991, Qassim 51911, Saudi Arabia;
| | - Mansour Alsharidah
- Department of Physiology, College of Medicine, Qassim University, Qassim 51452, Saudi Arabia;
| | | | - Ahmed B. M. Mehany
- Department of Zoology, Faculty of Science, Al-Azhar University, Cairo 11371, Egypt;
| | - Mostafa M. Hegazy
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Cairo 11371, Egypt;
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Pesko BK, Weidt S, McLaughlin M, Wescott DJ, Torrance H, Burgess K, Burchmore R. Postmortomics: The Potential of Untargeted Metabolomics to Highlight Markers for Time Since Death. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2020; 24:649-659. [PMID: 33095683 PMCID: PMC7687049 DOI: 10.1089/omi.2020.0084] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The success of forensic investigations involving fatalities very often depends on the establishment of the correct timeline of events. Currently used methods for estimating the postmortem interval (PMI) are mostly dependent on the professional and tacit experience of the investigator, and often with poor reliability in the absence of robust biological markers. The aim of this study was to investigate the potential of metabolomic approaches to highlight molecular markers for PMI. Rat and human muscle tissues, collected at various times postmortem, were analyzed using an untargeted metabolomics approach. Levels of certain metabolites (skatole, xanthine, n-acetylneuraminate, 1-methylnicotinamide, choline phosphate, and uracil) as well as most proteinogenic amino acids increased steadily postmortem. Threonine, tyrosine, and lysine show the most predictable evolution over the postmortem period, and may thus have potential for possible PMI markers in the future. This study demonstrates how a biomarker discovery approach can be extended to forensic investigations using untargeted metabolomics.
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Affiliation(s)
- Bogumila K Pesko
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Stefan Weidt
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Mark McLaughlin
- Veterinary Biosciences, School of Veterinary Medicine, University of Glasgow, Glasgow, United Kingdom
| | - Daniel J Wescott
- Department of Anthropology, Forensic Anthropology Center at Texas State (FACTS), Texas State University, San Marcos, Texas, USA
| | - Hazel Torrance
- Forensic Medicine and Science Department, University of Glasgow, Glasgow, United Kingdom
| | - Karl Burgess
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Richard Burchmore
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, United Kingdom
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Nevzorova YA, Boyer-Diaz Z, Cubero FJ, Gracia-Sancho J. Animal models for liver disease - A practical approach for translational research. J Hepatol 2020; 73:423-440. [PMID: 32330604 DOI: 10.1016/j.jhep.2020.04.011] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/06/2020] [Accepted: 04/06/2020] [Indexed: 12/11/2022]
Abstract
Animal models are crucial for improving our understanding of human pathogenesis, enabling researchers to identify therapeutic targets and test novel drugs. In the current review, we provide a comprehensive summary of the most widely used experimental models of chronic liver disease, starting from early stages of fatty liver disease (non-alcoholic and alcoholic) to steatohepatitis, advanced cirrhosis and end-stage primary liver cancer. We focus on aspects such as reproducibility and practicality, discussing the advantages and weaknesses of available models for researchers who are planning to perform animal studies in the near future. Additionally, we summarise current and prospective models based on human tissue bioengineering.
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Affiliation(s)
- Yulia A Nevzorova
- Department of Genetics, Physiology and Microbiology, Faculty of Biology, Complutense University, Madrid, Spain; 12 de Octubre Health Research Institute (imas12), Madrid, Spain; Department of Internal Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Zoe Boyer-Diaz
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Unit, IDIBAPS Biomedical Research Institute, Barcelona, Spain; Barcelona Liver Bioservices, Barcelona, Spain
| | - Francisco Javier Cubero
- 12 de Octubre Health Research Institute (imas12), Madrid, Spain; Department of Immunology, Ophthalmology & ENT, Complutense University School of Medicine, Madrid, Spain.
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Unit, IDIBAPS Biomedical Research Institute, Barcelona, Spain; Barcelona Liver Bioservices, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain; Hepatology, Department of Biomedical Research, University of Bern, Bern, Switzerland.
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Zhou K, Ding X, Yang J, Hu Y, Song Y, Chen M, Sun R, Dong T, Xu B, Han X, Wu K, Zhang X, Wang X, Xia Y. Metabolomics Reveals Metabolic Changes Caused by Low-Dose 4-Tert-Octylphenol in Mice Liver. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15122686. [PMID: 30487447 PMCID: PMC6313621 DOI: 10.3390/ijerph15122686] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/19/2018] [Accepted: 11/25/2018] [Indexed: 01/16/2023]
Abstract
Background: Humans are constantly exposed to low concentrations of 4-tert-octylphenol (OP). However, studies investigating the effects of low-dose OP on the liver are scarce, and the mechanism of these effects has not been thoroughly elucidated to date. Methods: Adult male institute of cancer research (ICR) mice were exposed to low-dose OP (0, 0.01 and 1 μg/kg/day) for 7 consecutive days. Weights of mice were recorded daily during the experiment. Blood serum levels of OP, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were determined, and haematoxylin-eosin (HE) staining of the liver was performed. We applied an integrated metabolomic and enzyme gene expression analysis to investigate liver metabolic changes, and the gene expression of related metabolic enzymes was determined by real-time PCR and ELISA. Results: OP in blood serum was increased after OP exposure, while body weights of mice were unchanged. Liver weight and its organ coefficient were decreased significantly in the OP (1 μg/kg/day) group, but ALT and AST, as well as the HE staining results, were unchanged after OP treatment. The levels of cytidine, uridine, purine and N-acetylglutamine were increased significantly, and the level of vitamin B6 was decreased significantly in mice treated with OP (1 μg/kg/day). The mRNA and protein levels of Cda and Shmt1 were both increased significantly in OP (1 μg/kg/day)-treated mice. Conclusions: Through metabolomic analysis, our study firstly found that pyrimidine and purine synthesis were promoted and that N-acetylglutamine was upregulated after low-dose OP treatment, indicating that the treatment disturbed nucleic acid and amino acid metabolism in mice liver.
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Affiliation(s)
- Kun Zhou
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Xingwang Ding
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Jing Yang
- Experiment Center for Teaching and Learning, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Yanhui Hu
- Safety Assessment and Research Center for Drug, Pesticide, and Veterinary Drug of Jiangsu Province, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Yun Song
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Minjian Chen
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Rongli Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
| | - Tianyu Dong
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Bo Xu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Xiumei Han
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Keqin Wu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Xiaoling Zhang
- Department of Hygienic Analysis and Detection, Nanjing Medical University, Nanjing 211166, China.
| | - Xinru Wang
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
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10
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Procopet B, Fischer P, Farcau O, Stefanescu H. Metabolomics: From liver chiromancy to personalized precision medicine in advanced chronic liver disease. World J Hepatol 2018; 10:371-378. [PMID: 29599900 PMCID: PMC5871857 DOI: 10.4254/wjh.v10.i3.371] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 12/28/2017] [Accepted: 01/29/2018] [Indexed: 02/06/2023] Open
Abstract
Currently there is a lack of accurate biomarkers for diagnosis and prognosis in advanced liver diseases. Either the occurrence of first decompensation, or diagnosis of acute on chronic liver failure, severe alcoholic hepatitis, or hepatocellular carcinoma (HCC), none of the available biomarkers are satisfactory. Metabolomics is the newest of omics, being much closer than the others to the actual phenotype and pathologic changes that characterizes a certain condition. It deals with a much wider spectrum of low molecular weight bio-compounds providing a powerful platform for discovering novel biomarkers and biochemical pathways to improve diagnostic, prognostication and therapy. Until now metabolomics was applied in a wide spectrum of liver conditions, but the findings were contradictory. This review proposes a synthesis of the existing evidences of metabolomics use in advanced chronic liver diseases, decompensated liver cirrhosis, severe alcoholic hepatitis and HCC.
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Affiliation(s)
- Bogdan Procopet
- 3rd Medical Clinic, University of Medicine and Pharmacy, Cluj 400162, Romania
- Hepatology Unit, Regional Institute of Gastroenterology and Hepatology, Cluj 400162, Romania
| | - Petra Fischer
- 3rd Medical Clinic, University of Medicine and Pharmacy, Cluj 400162, Romania
| | - Oana Farcau
- 3rd Medical Clinic, University of Medicine and Pharmacy, Cluj 400162, Romania
| | - Horia Stefanescu
- Hepatology Unit, Regional Institute of Gastroenterology and Hepatology, Cluj 400162, Romania
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11
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Gao J, Qin XJ, Jiang H, Chen JF, Wang T, Zhang T, Xu SZ, Song JM. Detecting serum and urine metabolic profile changes of CCl 4-liver fibrosis in rats at 12 weeks based on gas chromatography-mass spectrometry. Exp Ther Med 2017; 14:1496-1504. [PMID: 28810615 PMCID: PMC5525970 DOI: 10.3892/etm.2017.4668] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 10/18/2016] [Indexed: 12/13/2022] Open
Abstract
Liver fibrosis is caused by liver injury induced by a number of chronic liver diseases, including schistosome infection, hepatitis infection, metabolic disease, alcoholism and cholestasis. The tissue damage occurring after injury or inflammation of the liver is a reversible lesion; however, liver fibrosis has become a worldwide problem and poses a threat to human health. The development of an effective drug for the prevention and treatment of liver fibrosis is ongoing and uses information from different occurrences of liver fibrosis. In the present study, carbon tetrachloride (CCl4)-induced metabonomic changes in serum and urine at 12 weeks were analyzed using gas chromatography-mass spectrometry (GC/MS) to investigate potential biomarkers. Liver fibrosis was induced in rats by subcutaneous injections of CCl4 twice a week for 12 consecutive weeks. Histopathological changes were used to assess the successful production of a CCl4-induced liver fibrosis model. Serum and urine samples from the two groups were collected at 12 weeks. The metabolic profile changes were analyzed by GC/MS alongside principal component analysis and orthogonal projections to latent structures. Metabolic profile studies indicated that the clustering of the two groups could be separated and seven metabolites in serum and five metabolites in urine were identified. In serum, the metabolites identified included isoleucine, L-malic acid, α-copper, carnitine, hippuric acid, glutaric acid and glucose. In urine 2-hydroxy butyric acid, isoleucine, N-acetyl-β-alanine, cytidine and corticoid were identified. The present study demonstrated that the pathogenesis of liver fibrosis may be associated with the dysfunction of a number of metabolic pathways, including glucose, amino acid, P450, fatty acid, nucleic acid, water-electrolyte and glutathione biosynthesis. Assessing potential biomarkers may therefore provide novel targets and theories for the innovation of novel drugs to prevent and cure liver fibrosis.
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Affiliation(s)
- Jiarong Gao
- Department of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Xiu-Juan Qin
- Department of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Hui Jiang
- Department of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Jin-Feng Chen
- Department of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Ting Wang
- College of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Ting Zhang
- College of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Shuang-Zhi Xu
- College of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
| | - Jun-Mei Song
- College of Pharmacy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
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12
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Zhang T, Zhang A, Qiu S, Sun H, Han Y, Guan Y, Wang X. High-throughput metabolomics approach reveals new mechanistic insights for drug response of phenotypes of geniposide towards alcohol-induced liver injury by using liquid chromatography coupled to high resolution mass spectrometry. MOLECULAR BIOSYSTEMS 2017; 13:73-82. [DOI: 10.1039/c6mb00742b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Alcohol-induced liver injury (ALD) shows obvious metabolic disorders, categorized by a wide range of metabolite abnormalities.
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Affiliation(s)
- Tianlei Zhang
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Aihua Zhang
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Shi Qiu
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Hui Sun
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Ying Han
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Yu Guan
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
| | - Xijun Wang
- Sino-US Chinmedomics Technology Cooperation Center
- National TCM Key Laboratory of Serum Pharmacochemistry
- Chinmedomics Research Center of State Administration of TCM
- Laboratory of Metabolomics
- Heilongjiang University of Chinese Medicine
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13
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Metabonomics Research Progress on Liver Diseases. Can J Gastroenterol Hepatol 2017; 2017:8467192. [PMID: 28321390 PMCID: PMC5339575 DOI: 10.1155/2017/8467192] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 12/18/2016] [Accepted: 02/09/2017] [Indexed: 12/12/2022] Open
Abstract
Metabolomics as the new omics technique develops after genomics, transcriptomics, and proteomics and has rapid development at present. Liver diseases are worldwide public health problems. In China, chronic hepatitis B and its secondary diseases are the common liver diseases. They can be diagnosed by the combination of history, virology, liver function, and medical imaging. However, some patients seldom have relevant physical examination, so the diagnosis may be delayed. Many other liver diseases, such as drug-induced liver injury (DILI), alcoholic liver disease (ALD) and nonalcoholic fatty liver disease (NAFLD), and autoimmune liver diseases, still do not have definite diagnostic markers; the diagnosis consists of history, medical imaging, and the relevant score. As a result, the clinical work becomes very complex. So it has broad prospects to explore the specific and sensitive biomarkers of liver diseases with metabolomics. In this paper, there are several summaries which are related to the current research progress and application of metabolomics on biomarkers of liver diseases.
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14
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Choi JM, Park WS, Song KY, Lee HJ, Jung BH. Development of simultaneous analysis of tryptophan metabolites in serum and gastric juice - an investigation towards establishing a biomarker test for gastric cancer diagnosis. Biomed Chromatogr 2016; 30:1963-1974. [PMID: 27240299 DOI: 10.1002/bmc.3773] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 05/22/2016] [Accepted: 05/25/2016] [Indexed: 01/06/2023]
Abstract
To evaluate changes in tryptophan metabolism and discover diagnostic biomarkers for gastric cancer, a quantitative method was developed for tryptophan and its seven metabolites (indole-3-lactic acid, anthranilic acid, serotonin, nicotinic acid, kynurenic acid, kynurenine and 3-indoxyl sulfate) in both human serum and gastric juice using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Serum and gastric juice were prepared with a simple protein precipitation using aqueous 0.1% formic acid and acetonitrile. As a result, it was found that the kynurenine pathway of tryptophan metabolism was activated in gastric cancer and that the metabolic ratio of kynurenine/tryptophan, which reflects the enzyme activity of indoleamine-2,3-dioxygenase, was associated with the observed metabolic changes. Finally, the investigation of tryptophan metabolites, especially kynurenic acid, in serum and gastric juice might serve as biomarkers for gastric cancer. The findings in this study provide critical information of tryptophan metabolism which can be applied to a serum-based diagnostic test for gastric cancer.
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Affiliation(s)
- Jong Min Choi
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea.,Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Won Sang Park
- Department of Pathology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Kyo Young Song
- Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Hwa Jeong Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Byung Hwa Jung
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea.,Department of Biological Chemistry, Korea University of Science and Technology, Daejeon, Republic of Korea
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15
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Wilkin RJW, Lalor PF, Parker R, Newsome PN. Murine Models of Acute Alcoholic Hepatitis and Their Relevance to Human Disease. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 186:748-60. [PMID: 26835538 DOI: 10.1016/j.ajpath.2015.12.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 11/19/2015] [Accepted: 12/01/2015] [Indexed: 02/07/2023]
Abstract
Alcohol-induced liver damage is a major burden for most societies, and murine studies can provide a means to better understand its pathogenesis and test new therapies. However, there are many models reported with widely differing phenotypes, not all of which fully regenerate the spectrum of human disease. Thus, it is important to understand the implications of these variations to efficiently model human disease. This review critically appraises key articles in the field, detailing the spectrum of liver damage seen in different models, and how they relate to the phenotype of disease seen in patients. A range of different methods of alcohol administration have been studied, ranging from ad libitum consumption of alcohol and water to modified diets (eg, Lieber deCarli liquid diet). Other feeding regimens have taken more invasive routes using intragastric feeding tubes to infuse alcohol directly into the stomach. Notably, models using wild-type mice generally produce a milder phenotype of liver damage than those using genetically modified mice, with the exception of the chronic binge-feeding model. We recommend panels of tests for consideration to standardize end points for the evaluation of the severity of liver damage-key for comparison of models of injury, testing of new therapies, and subsequent translation of findings into clinical practice.
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Affiliation(s)
- Richard J W Wilkin
- National Institute for Health Research Birmingham Liver Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, United Kingdom; Liver Unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, United Kingdom.
| | - Patricia F Lalor
- National Institute for Health Research Birmingham Liver Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, United Kingdom; Liver Unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Richard Parker
- National Institute for Health Research Birmingham Liver Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, United Kingdom; Liver Unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Philip N Newsome
- National Institute for Health Research Birmingham Liver Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, United Kingdom; Liver Unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, United Kingdom.
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16
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Wu H, Feng F. Untargeted metabolomic analysis using LC-TOF/MS and LC-MS/MS for revealing metabolic alterations linked to alcohol-induced hepatic steatosis in rat serum and plasma. RSC Adv 2016. [DOI: 10.1039/c5ra27910k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Untargeted LC-MS metabolomics to screen differential metabolites in rat serum and plasma, and reveal metabolic alterations linked to AHS.
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Affiliation(s)
- Huan Wu
- Department of Pharmaceutical Analysis
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education)
| | - Fang Feng
- Department of Pharmaceutical Analysis
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education)
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17
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Liu Y, Chen H, Sun Z, Chen X. Molecular mechanisms of ethanol-associated oro-esophageal squamous cell carcinoma. Cancer Lett 2015; 361:164-73. [PMID: 25766659 DOI: 10.1016/j.canlet.2015.03.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/04/2015] [Accepted: 03/04/2015] [Indexed: 02/06/2023]
Abstract
Alcohol drinking is a major etiological factor of oro-esophageal squamous cell carcinoma (OESCC). Both local and systemic effects of ethanol may promote carcinogenesis, especially among chronic alcoholics. However, molecular mechanisms of ethanol-associated OESCC are still not well understood. In this review, we summarize current understandings and propose three mechanisms of ethanol-associated OESCC: (1) Disturbance of systemic metabolism of nutrients: during ethanol metabolism in the liver, systemic metabolism of retinoids, zinc, iron and methyl groups is altered. These nutrients are known to be associated with the development of OESCC. (2) Disturbance of redox metabolism in squamous epithelial cells: when ethanol is metabolized in oro-esophageal squamous epithelial cells, reactive oxygen species are generated and produce oxidative damage. Meanwhile, ethanol may also disturb fatty-acid metabolism in these cells. (3) Disturbance of signaling pathways in squamous epithelial cells: due to its physico-chemical properties, ethanol changes cell membrane fluidity and shape, and may thus impact multiple signaling pathways. Advanced molecular techniques in genomics, epigenomics, metabolomics and microbiomics will help us elucidate how ethanol promotes OESCC.
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Affiliation(s)
- Yao Liu
- Department of Oral Medicine, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China; Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA
| | - Hao Chen
- Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA
| | - Zheng Sun
- Department of Oral Medicine, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China.
| | - Xiaoxin Chen
- Cancer Research Program, JLC-BBRI, North Carolina Central University, Durham, NC 27707, USA.
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