1
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Zhang D, Zhao Y, Zhang G, Lank D, Cooke S, Wang S, Nuotio-Antar A, Tong X, Yin L. Suppression of hepatic ChREBP⍺-CYP2C50 axis-driven fatty acid oxidation sensitizes mice to diet-induced MASLD/MASH. Mol Metab 2024; 85:101957. [PMID: 38740087 PMCID: PMC11145360 DOI: 10.1016/j.molmet.2024.101957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 05/03/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024] Open
Abstract
OBJECTIVES Compromised hepatic fatty acid oxidation (FAO) has been observed in human MASH patients and animal models of MASLD/MASH. It remains poorly understood how and when the hepatic FAO pathway is suppressed during the progression of MASLD towards MASH. Hepatic ChREBP⍺ is a classical lipogenic transcription factor that responds to the intake of dietary sugars. METHODS We examined its role in regulating hepatocyte fatty acid oxidation (FAO) and the impact of hepatic Chrebpa deficiency on sensitivity to diet-induced MASLD/MASH in mice. RESULTS We discovered that hepatocyte ChREBP⍺ is both necessary and sufficient to maintain FAO in a cell-autonomous manner independently of its DNA-binding activity. Supplementation of synthetic PPAR⍺/δ agonist is sufficient to restore FAO in Chrebp-/- primary mouse hepatocytes. Hepatic ChREBP⍺ was decreased in mouse models of diet-induced MAFSLD/MASH and in patients with MASH. Hepatocyte-specific Chrebp⍺ knockout impaired FAO, aggravated liver steatosis and inflammation, leading to early-onset fibrosis in response to diet-induced MASH. Conversely, liver overexpression of ChREBP⍺-WT or its non-lipogenic mutant enhanced FAO, reduced lipid deposition, and alleviated liver injury, inflammation, and fibrosis. RNA-seq analysis identified the CYP450 epoxygenase (CYP2C50) pathway of arachidonic acid metabolism as a novel target of ChREBP⍺. Over-expression of CYP2C50 partially restores hepatic FAO in primary hepatocytes with Chrebp⍺ deficiency and attenuates preexisting MASH in the livers of hepatocyte-specific Chrebp⍺-deleted mice. CONCLUSIONS Our findings support the protective role of hepatocyte ChREBPa against diet-induced MASLD/MASH in mouse models in part via promoting CYP2C50-driven FAO.
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Affiliation(s)
- Deqiang Zhang
- Department of Molecular & Integrative Physiology, USA; Caswell Diabetes Institute, University of Michigan Medical School, NCRC Building 20-3843, 2800 Plymouth Road, Ann Arbor, MI 48105, USA
| | - Yuee Zhao
- Department of Molecular & Integrative Physiology, USA; Caswell Diabetes Institute, University of Michigan Medical School, NCRC Building 20-3843, 2800 Plymouth Road, Ann Arbor, MI 48105, USA; Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Rd, Furong District, Changsha, Hunan Province 410011, PR China
| | - Gary Zhang
- Department of Molecular & Integrative Physiology, USA; Caswell Diabetes Institute, University of Michigan Medical School, NCRC Building 20-3843, 2800 Plymouth Road, Ann Arbor, MI 48105, USA
| | - Daniel Lank
- Department of Pharmacology, University of Virginia, 1340 Jefferson Park Avenue, Charlottesville, VA 22908, USA
| | - Sarah Cooke
- Neurosciences Graduate Program, Case Western Reserve University School of Medicine, Cleveland, OH 44016, USA
| | - Sujuan Wang
- Department of Infectious Diseases, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Rd, Furong District, Changsha, Hunan Province 410011, PR China
| | - Alli Nuotio-Antar
- Children Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Xin Tong
- Department of Molecular & Integrative Physiology, USA; Caswell Diabetes Institute, University of Michigan Medical School, NCRC Building 20-3843, 2800 Plymouth Road, Ann Arbor, MI 48105, USA
| | - Lei Yin
- Department of Molecular & Integrative Physiology, USA; Caswell Diabetes Institute, University of Michigan Medical School, NCRC Building 20-3843, 2800 Plymouth Road, Ann Arbor, MI 48105, USA.
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2
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Hu Y, Li W, Cheng X, Yang H, She ZG, Cai J, Li H, Zhang XJ. Emerging Roles and Therapeutic Applications of Arachidonic Acid Pathways in Cardiometabolic Diseases. Circ Res 2024; 135:222-260. [PMID: 38900855 DOI: 10.1161/circresaha.124.324383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Cardiometabolic disease has become a major health burden worldwide, with sharply increasing prevalence but highly limited therapeutic interventions. Emerging evidence has revealed that arachidonic acid derivatives and pathway factors link metabolic disorders to cardiovascular risks and intimately participate in the progression and severity of cardiometabolic diseases. In this review, we systemically summarized and updated the biological functions of arachidonic acid pathways in cardiometabolic diseases, mainly focusing on heart failure, hypertension, atherosclerosis, nonalcoholic fatty liver disease, obesity, and diabetes. We further discussed the cellular and molecular mechanisms of arachidonic acid pathway-mediated regulation of cardiometabolic diseases and highlighted the emerging clinical advances to improve these pathological conditions by targeting arachidonic acid metabolites and pathway factors.
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Affiliation(s)
- Yufeng Hu
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital of Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y.)
| | - Wei Li
- Department of Cardiology, Renmin Hospital of Wuhan University, China (W.L., Z.-G.S., H.L.)
| | - Xu Cheng
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital of Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y.)
| | - Hailong Yang
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital of Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y.)
| | - Zhi-Gang She
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Department of Cardiology, Renmin Hospital of Wuhan University, China (W.L., Z.-G.S., H.L.)
| | - Jingjing Cai
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China (J.C.)
| | - Hongliang Li
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- Department of Cardiology, Renmin Hospital of Wuhan University, China (W.L., Z.-G.S., H.L.)
- Medical Science Research Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (H.L.)
| | - Xiao-Jing Zhang
- State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China (Y.H., X.C., H.Y., Z.-G.S., J.C., H.L., X.-J.Z.)
- School of Basic Medical Sciences, Wuhan University, China (X.-J.Z.)
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3
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Leahy C, Osborne N, Shirota L, Rote P, Lee YK, Song BJ, Yin L, Zhang Y, Garcia V, Hardwick JP. The fatty acid omega hydroxylase genes (CYP4 family) in the progression of metabolic dysfunction-associated steatotic liver disease (MASLD): An RNA sequence database analysis and review. Biochem Pharmacol 2024:116241. [PMID: 38697309 DOI: 10.1016/j.bcp.2024.116241] [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: 02/14/2024] [Revised: 04/21/2024] [Accepted: 04/25/2024] [Indexed: 05/04/2024]
Abstract
Fatty acid omega hydroxylase P450s consist of enzymes that hydroxylate various chain-length saturated and unsaturated fatty acids (FAs) and bioactive eicosanoid lipids. The human cytochrome P450 gene 4 family (CYP4) consists of 12 members that are associated with several human diseases. However, their role in the progression of metabolic dysfunction-associated fatty liver disease (MASLD) remains largely unknown. It has long been thought that the induction of CYP4 family P450 during fasting and starvation prevents FA-related lipotoxicity through FA metabolism to dicarboxylic acids that are chain-shortened in peroxisomes and then transported to the mitochondria for complete oxidation. Several studies have revealed that peroxisome succinate transported to the mitochondria is used for gluconeogenesis during fasting and starvation, and recent evidence suggests that peroxisome acetate can be utilized for lipogenesis and lipid droplet formation as well as epigenetic modification of gene transcription. In addition, omega hydroxylation of the bioactive eicosanoid arachidonic acid to 20-Hydroxyeicosatetraenoic acid (20-HETE) is essential for activating the GPR75 receptor, leading to vasoconstriction and cell proliferation. Several mouse models of diet-induced MASLD have revealed the induction of selective CYP4A members and the suppression of CYP4F during steatosis and steatohepatitis, suggesting a critical metabolic role in the progression of fatty liver disease. Thus, to further investigate the functional roles of CYP4 genes, we analyzed the differential gene expression of 12 members of CYP4 gene family in datasets from the Gene Expression Omnibus (GEO) from patients with steatosis, steatohepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. We also observed the differential expression of various CYP4 genes in the progression of MASLD, indicating that different CYP4 members may have unique functional roles in the metabolism of specific FAs and eicosanoids at various stages of fatty liver disease. These results suggest that targeting selective members of the CYP4A family is a viable therapeutic approach for treating and managing MASLD.
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Affiliation(s)
- Charles Leahy
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Nicholas Osborne
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Leticia Shirota
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Paula Rote
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Yoon-Kwang Lee
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD 20892, USA
| | - Liya Yin
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Yanqiao Zhang
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, 15 Dana Road Science Building, Rm. 530, Valhalla, NY 10595, USA
| | - James P Hardwick
- Department of Integrative Medical Sciences Liver focus group, Northeast Ohio Medical University, 4209 State Route 44, Rootstown, OH 44272, USA.
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Huneault HE, Chen CY, Cohen CC, Liu X, Jarrell ZR, He Z, DeSantos KE, Welsh JA, Maner-Smith KM, Ortlund EA, Schwimmer JB, Vos MB. Lipidome Changes Associated with a Diet-Induced Reduction in Hepatic Fat among Adolescent Boys with Metabolic Dysfunction-Associated Steatotic Liver Disease. Metabolites 2024; 14:191. [PMID: 38668319 PMCID: PMC11052520 DOI: 10.3390/metabo14040191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Little is known about lipid changes that occur in the setting of metabolic-dysfunction-associated steatotic liver disease (MASLD) regression. We previously reported improvements in hepatic steatosis, de novo lipogenesis (DNL), and metabolomic profiles associated with oxidative stress, inflammation, and selected lipid metabolism in 40 adolescent boys (11-16 y) with hepatic steatosis ≥5% (98% meeting the definition of MASLD). Participants were randomized to a low-free-sugar diet (LFSD) (n = 20) or usual diet (n = 20) for 8 weeks. Here, we employed untargeted/targeted lipidomics to examine lipid adaptations associated with the LFSD and improvement of hepatic steatosis. Our LC-MS/MS analysis revealed decreased triglycerides (TGs), diacylglycerols (DGs), cholesteryl esters (ChE), lysophosphatidylcholine (LPC), and phosphatidylcholine (PC) species with the diet intervention (p < 0.05). Network analysis demonstrated significantly lower levels of palmitate-enriched TG species post-intervention, mirroring the previously shown reduction in DNL in response to the LFSD. Targeted oxylipins analysis revealed a decrease in the abundance of 8-isoprostane and 14,15-DiHET and an increase in 8,9-DiHET (p < 0.05). Overall, we observed reductions in TGs, DGs, ChE, PC, and LPC species among participants in the LFSD group. These same lipids have been associated with MASLD progression; therefore, our findings may indicate normalization of key biological processes, including lipid metabolism, insulin resistance, and lipotoxicity. Additionally, our targeted oxylipins assay revealed novel changes in eicosanoids, suggesting improvements in oxidative stress. Future studies are needed to elucidate the mechanisms of these findings and prospects of these lipids as biomarkers of MASLD regression.
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Affiliation(s)
- Helaina E. Huneault
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
| | - Chih-Yu Chen
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Catherine C. Cohen
- Section of Nutrition, Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (C.C.C.); (K.M.M.-S.)
| | - Xueyun Liu
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Zachery R. Jarrell
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Zhulin He
- Pediatric Biostatistics Core, Department of Pediatrics, School of Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Karla E. DeSantos
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Emory University, Atlanta, GA 30322, USA;
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Jean A. Welsh
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Kristal M. Maner-Smith
- Section of Nutrition, Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (C.C.C.); (K.M.M.-S.)
| | - Eric A. Ortlund
- Department of Biochemistry, Emory School of Medicine, Emory University, Atlanta, GA 30329, USA; (C.-Y.C.); (X.L.); (E.A.O.)
| | - Jeffrey B. Schwimmer
- Department of Gastroenterology, Rady Children’s Hospital San Diego, San Diego, CA 92123, USA;
- Department of Pediatrics, School of Medicine, University of California, San Diego, CA 92093, USA
| | - Miriam B. Vos
- Nutrition & Health Sciences Doctoral Program, Laney Graduate School, Emory University, Atlanta, GA 30322, USA; (J.A.W.); (M.B.V.)
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Emory University, Atlanta, GA 30322, USA;
- Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
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5
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Kaffe E, Tisi A, Magkrioti C, Aidinis V, Mehal WZ, Flavell RA, Maccarrone M. Bioactive signalling lipids as drivers of chronic liver diseases. J Hepatol 2024; 80:140-154. [PMID: 37741346 DOI: 10.1016/j.jhep.2023.08.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 08/23/2023] [Accepted: 08/28/2023] [Indexed: 09/25/2023]
Abstract
Lipids are important in multiple cellular functions, with most having structural or energy storage roles. However, a small fraction of lipids exert bioactive roles through binding to G protein-coupled receptors and induce a plethora of processes including cell proliferation, differentiation, growth, migration, apoptosis, senescence and survival. Bioactive signalling lipids are potent modulators of metabolism and energy homeostasis, inflammation, tissue repair and malignant transformation. All these events are involved in the initiation and progression of chronic liver diseases. In this review, we focus specifically on the roles of bioactive lipids derived from phospholipids (lyso-phospholipids) and poly-unsaturated fatty acids (eicosanoids, pro-resolving lipid mediators and endocannabinoids) in prevalent chronic liver diseases (alcohol-associated liver disease, non-alcoholic fatty liver disease, viral hepatitis and hepatocellular carcinoma). We discuss the balance between pathogenic and beneficial bioactive lipids as well as potential therapeutic targets related to the agonism or antagonism of their receptors.
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Affiliation(s)
- Eleanna Kaffe
- Department of Immunobiology, Yale University School of Medicine, 06511, New Haven, CT, USA.
| | - Annamaria Tisi
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | | | - Vassilis Aidinis
- Biomedical Sciences Research Center Alexander Fleming, 16672, Athens, Greece
| | - Wajahat Z Mehal
- Department of Internal Medicine, Section of Digestive Diseases, Yale University, New Haven, CT, 06520, USA; Veterans Affairs Medical Center, West Haven, CT, 06516, USA
| | - Richard A Flavell
- Department of Immunobiology, Yale University School of Medicine, 06511, New Haven, CT, USA; Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT, 06519, USA
| | - Mauro Maccarrone
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100, L'Aquila, Italy; Laboratory of Lipid Neurochemistry, European Center for Brain Research (CERC), Santa Lucia Foundation IRCCS, 00143 Rome, Italy.
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6
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Musso G, Saba F, Cassader M, Gambino R. Lipidomics in pathogenesis, progression and treatment of nonalcoholic steatohepatitis (NASH): Recent advances. Prog Lipid Res 2023; 91:101238. [PMID: 37244504 DOI: 10.1016/j.plipres.2023.101238] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/20/2023] [Accepted: 05/21/2023] [Indexed: 05/29/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a chronic liver disease affecting up to 30% of the general adult population. NAFLD encompasses a histological spectrum ranging from pure steatosis to non-alcoholic steatohepatitis (NASH). NASH can progress to cirrhosis and is becoming the most common indication for liver transplantation, as a result of increasing disease prevalence and of the absence of approved treatments. Lipidomic readouts of liver blood and urine samples from experimental models and from NASH patients disclosed an abnormal lipid composition and metabolism. Collectively, these changes impair organelle function and promote cell damage, necro-inflammation and fibrosis, a condition termed lipotoxicity. We will discuss the lipid species and metabolic pathways leading to NASH development and progression to cirrhosis, as well as and those species that can contribute to inflammation resolution and fibrosis regression. We will also focus on emerging lipid-based therapeutic opportunities, including specialized proresolving lipid molecules and macrovesicles contributing to cell-to-cell communication and NASH pathophysiology.
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Affiliation(s)
- Giovanni Musso
- Dept of Emergency Medicine, San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy.
| | - Francesca Saba
- Dept. of Medical Sciences, San Giovanni Battista Hospital, University of Turin, Turin, Italy
| | - Maurizio Cassader
- Dept. of Medical Sciences, San Giovanni Battista Hospital, University of Turin, Turin, Italy
| | - Roberto Gambino
- Dept. of Medical Sciences, San Giovanni Battista Hospital, University of Turin, Turin, Italy
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7
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Dou X, Yang W, Ding Q, Han Q, Qian Q, Du Z, Fan Y, Wang C, Li S. Comprehensive Analysis of the Expression Profiles of Hepatic lncRNAs in the Mouse Model of Alcoholic Liver Disease. Front Pharmacol 2021; 12:709287. [PMID: 34393788 PMCID: PMC8358650 DOI: 10.3389/fphar.2021.709287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 07/20/2021] [Indexed: 12/12/2022] Open
Abstract
Background and Aim: The worldwide prevalence of alcoholic liver disease (ALD) due to escalating alcohol consumption has presented an unprecedented pressure on human health. A few studies have determined long non-coding RNAs (lncRNAs) involved in the pathogenesis of liver diseases. However, the roles of lncRNAs in ALD development is still poorly understood. Methods: An ALD mouse model was established and confirmed. Expression profiles of lncRNAs were obtained by whole transcriptome sequencing. The altered lncRNAs in ALD mice were further verified by qRT-PCR. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were used to enrich the functions of these lncRNAs. In combination with miRNA and mRNA profiles, we constructed concise endogenous RNA (ceRNA) networks. The function of the most up/downregulated lnRNA was further verified and investigated in both ALD model and AML-12 cells. Results: Totally, five downregulated lncRNAs were obtained and verified in ALD mice. The GO term and KEGG pathway analyses revealed that the identified lncRNAs were associated with alcohol-induced hepatic oxidative damage, cellular inflammation, and lipid metabolism. Combination the differentially modulated miRNAs and mRNAs with ceRNA network analysis, we constructed five ceRNA networks and obtained 30 miRNAs and 25 mRNAs that may participate in ALD. Further, we verified and investigate the function of the most downregulated lnc_1700023H06Rik. Depletion lnc_1700023H06Rik reduced genes encoding for lipid metabolism, especially mRNA Acat2 (ENSMUST00000159697) and Pgrmc2 (ENSMUST00000058578) both in vivo and in vitro. Knocking down lnc_1700023H06Rik induced triglyceride accumulation and lactate dehydrogenase leakage in AML12 cells, consisting with that in alcohol-treated cells. Conclusion: The five remarkably downregulated lncRNAs in ALD mouse model were identified as novel biomarkers, highlighting the key role of lncRNAs in the development of ALD. The effect of lnc_1700023H06Rik plays a pivotal role in lipid deposition and its pathological pathway in ALD needs further investigation.
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Affiliation(s)
- Xiaobing Dou
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China.,School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China.,Molecular Medicine Institute, Zhejiang Chinese Medical University, Hangzhou, China
| | - Wenwen Yang
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China.,School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qinchao Ding
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China.,Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiang Han
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China.,Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qianyu Qian
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China.,Molecular Medicine Institute, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhongyan Du
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yibin Fan
- Department of Dermatology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Cui Wang
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, China.,Molecular Medicine Institute, Zhejiang Chinese Medical University, Hangzhou, China.,Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Songtao Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, China.,Molecular Medicine Institute, Zhejiang Chinese Medical University, Hangzhou, China.,Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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8
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Di Sessa A, Riccio S, Pirozzi E, Verde M, Passaro AP, Umano GR, Guarino S, Miraglia del Giudice E, Marzuillo P. Advances in paediatric nonalcoholic fatty liver disease: Role of lipidomics. World J Gastroenterol 2021; 27:3815-3824. [PMID: 34321846 PMCID: PMC8291022 DOI: 10.3748/wjg.v27.i25.3815] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/06/2021] [Accepted: 06/04/2021] [Indexed: 02/06/2023] Open
Abstract
Due its close relationship with obesity, nonalcoholic fatty liver disease (NAFLD) has become a major worldwide health issue even in childhood. The most accepted pathophysiological hypothesis is represented by the “multiple hits” theory, in which both hepatic intracellular lipid accumulation and insulin resistance mainly contribute to liver injury through several factors. Among these, lipotoxicity has gained particular attention. In this view, the pathogenic role of different lipid classes in NAFLD (e.g., sphingolipids, fatty acids, ceramides, etc.) has been highlighted in recent lipidomics studies. Although there is some contrast between plasma and liver findings, lipidomic profile in the NAFLD context provides novel insights by expanding knowledge in the intricate field of NAFLD pathophysiology as well as by suggesting innovative therapeutic approaches in order to improve both NAFLD prevention and treatment strategies. Selective changes of distinct lipid species might be an attractive therapeutic target for treating NAFLD. Herein the most recent evidence in this attractive field has been summarized to provide a comprehensive overview of the lipidomic scenario in paediatric NAFLD.
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Affiliation(s)
- Anna Di Sessa
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Simona Riccio
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Emilia Pirozzi
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Martina Verde
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Antonio Paride Passaro
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Giuseppina Rosaria Umano
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Stefano Guarino
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Emanuele Miraglia del Giudice
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Pierluigi Marzuillo
- Department of Woman, Child, and General and Specialized Surgery, University of Campania Luigi Vanvitelli, Naples 80138, Italy
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9
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Kozaczek M, Bottje W, Albataineh D, Hakkak R. Effects of Short- and Long-Term Soy Protein Feeding on Hepatic Cytochrome P450 Expression in Obese Nonalcoholic Fatty Liver Disease Rat Model. Front Nutr 2021; 8:699620. [PMID: 34262928 PMCID: PMC8273275 DOI: 10.3389/fnut.2021.699620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/03/2021] [Indexed: 12/16/2022] Open
Abstract
Obesity can lead to chronic health complications such as nonalcoholic fatty liver disease (NAFLD). NAFLD is characterized by lipid aggregation in the hepatocytes and inflammation of the liver tissue as a consequence that can contribute to the development of cirrhosis and hepatocellular carcinoma (HCC). Previously, we reported that feeding obese Zucker rats with soy protein isolate (SPI) can reduce liver steatosis when compared with a casein (CAS) diet as a control. However, the effects of SPI on cytochrome P450 (CYP) in an obese rat model are less known. In addition, there is a lack of information concerning the consumption of soy protein in adolescents and its effect in reducing the early onset of NAFLD in this group. Our main goal was to understand if the SPI diet had any impact on the hepatic CYP gene expression when compared with the CAS diet. For this purpose, we used the transcriptomic data obtained in a previous study in which liver samples were collected from obese rats after short-term (eight-week) and long-term (16-week) feeding of SPI (n = 8 per group). To analyze this RNAseq data, we used Ingenuity Pathway Analysis (IPA) software. Comparing short- vs long-term feeding revealed an increase in the number of downregulated CYP genes from three at 8 weeks of SPI diet to five at 16 weeks of the same diet (P ≤ 0.05). On the other hand, upregulated CYP gene numbers showed a small increase in the long-term SPI diet compared to the short-term SPI diet, from 14 genes at 8 weeks to 17 genes at 16 weeks (P ≤ 0.05). The observed changes may have an important role in the attenuation of liver steatosis.
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Affiliation(s)
- Melisa Kozaczek
- Department of Dietetics and Nutrition, University of Arkansas for Medical Sciences, Little Rock, AR, United States.,Department of Poultry Science and The Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States.,Arkansas Children's Research Institute, Little Rock, AR, United States
| | - Walter Bottje
- Department of Poultry Science and The Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Diyana Albataineh
- Department of Poultry Science and The Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Reza Hakkak
- Department of Dietetics and Nutrition, University of Arkansas for Medical Sciences, Little Rock, AR, United States.,Arkansas Children's Research Institute, Little Rock, AR, United States.,Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, AR, United States
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10
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Razdan A, Main NM, Chiu V, Shackel NA, de Souza P, Bryant K, Scott KF. Targeting the eicosanoid pathway in hepatocellular carcinoma. Am J Cancer Res 2021; 11:2456-2476. [PMID: 34249410 PMCID: PMC8263695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/06/2021] [Indexed: 06/13/2023] Open
Abstract
Liver cancer has variable incidence worldwide and high mortality. Histologically, the most common subtype of liver cancer is hepatocellular carcinoma (HCC). Approximately 30-40% of HCC patients are diagnosed at an advanced stage, and at present, there are limited treatment options for such patients. The current first-line therapy with tyrosine kinase inhibitors, sorafenib or lenvatinib, prolongs survival by a median of about 2.5-3 months after which the disease normally progresses. Additionally, many patients discontinue the use of tyrosine kinase inhibitors due to toxicity or may not be suitable candidates due to co-morbidity or frailty. It is, therefore, imperative to identify novel therapeutic targets for advanced HCC patients. Persistent injury to the liver as a result of insults such as hepatitis B or C viral (HBV or HCV) infections, alcohol abuse, and non-alcoholic fatty liver disease (NAFLD), results in chronic inflammation, which progresses to hepatic fibrosis and later, cirrhosis, provides the conditions for initiation of HCC. One of the key pathways studied for its role in inflammation and carcinogenesis is the eicosanoid pathway. In this review, we briefly outline the eicosanoid pathway, describe the mechanisms by which some pathway members either facilitate or counter the development of liver diseases, with the focus on NAFLD/hepatic fibrosis/cirrhosis, and HCC. We describe the link between the eicosanoid pathway, inflammation and these liver diseases, and identify components of the eicosanoid pathway that may be used as potential therapeutic targets in HCC.
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Affiliation(s)
- Anshuli Razdan
- School of Medicine, Western Sydney UniversitySydney, NSW, Australia
- Department of Medical Oncology, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
| | - Nathan M Main
- Gastroenterology and Liver Laboratory, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
| | - Vincent Chiu
- Gastroenterology and Liver Laboratory, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
| | - Nicholas A Shackel
- Gastroenterology and Liver Laboratory, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
| | - Paul de Souza
- School of Medicine, Western Sydney UniversitySydney, NSW, Australia
- Department of Medical Oncology, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
- School of Medicine, University of WollongongWollongong, NSW, Australia
| | - Katherine Bryant
- Gastroenterology and Liver Laboratory, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
| | - Kieran F Scott
- School of Medicine, Western Sydney UniversitySydney, NSW, Australia
- Department of Medical Oncology, Ingham Institute for Applied Medical ResearchSydney, NSW, Australia
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11
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Walker RE, Savinova OV, Pedersen TL, Newman JW, Shearer GC. Effects of inflammation and soluble epoxide hydrolase inhibition on oxylipin composition of very low-density lipoproteins in isolated perfused rat livers. Physiol Rep 2021; 9:e14480. [PMID: 33625776 PMCID: PMC7903942 DOI: 10.14814/phy2.14480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Oxylipins are metabolites of polyunsaturated fatty acids that mediate cardiovascular health by attenuation of inflammation, vascular tone, hemostasis, and thrombosis. Very low-density lipoproteins (VLDL) contain oxylipins, but it is unknown whether the liver regulates their concentrations. In this study, we used a perfused liver model to observe the effect of inflammatory lipopolysaccharide (LPS) challenge and soluble epoxide hydrolase inhibition (sEHi) on VLDL oxylipins. A compartmental model of deuterium-labeled linoleic acid and palmitic acid incorporation into VLDL was also developed to assess the dependence of VLDL oxylipins on fatty acid incorporation rates. LPS decreased the total fatty acid VLDL content by 30% [6%,47%], and decreased final concentration of several oxylipins by a similar amount (13-HOTrE, 35% [4%,55%], -1.3 nM; 9(10)-EpODE, 29% [3%,49%], -2.0 nM; 15(16)-EpODE, 29% [2%,49%], -1.6 nM; AA-derived diols, 32% [5%,52%], -2.4 nM; 19(20)-DiHDPA, 31% [7%,50%], -1.0 nM). However, the EPA-derived epoxide, 17(18)-EpETE, was decreased by 75% [49%,88%], (-0.52 nM) with LPS, double the suppression of other oxylipins. sEHi increased final concentration of DHA epoxide, 16(17)-EpDPE, by 99% [35%,193%], (2.0 nM). Final VLDL-oxylipin concentrations with LPS treatment were not correlated with linoleic acid kinetics, suggesting they were independently regulated under inflammatory conditions. We conclude that the liver regulates oxylipin incorporation into VLDL, and the oxylipin content is altered by LPS challenge and by inhibition of the epoxide hydrolase pathway. This provides evidence for delivery of systemic oxylipin signals by VLDL transport.
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Affiliation(s)
- Rachel E. Walker
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPAUSA
| | - Olga V. Savinova
- Department of Biomedical SciencesNew York Institute of Technology College of Osteopathic MedicineOld WestburyNYUSA
- Sanford ResearchUniversity of South DakotaSioux FallsSDUSA
| | - Theresa L. Pedersen
- Advanced AnalyticsDavisCAUSA
- Department of Food Science and TechnologyUniversity of CaliforniaDavisCAUSA
| | - John W. Newman
- Department of Food Science and TechnologyUniversity of CaliforniaDavisCAUSA
- Obesity and Metabolism Research UnitWestern Human Nutrition Research CenterAgricultural Research ServiceUS Department of AgricultureDavisCAUSA
| | - Gregory C. Shearer
- Department of Nutritional SciencesThe Pennsylvania State UniversityUniversity ParkPAUSA
- Sanford ResearchUniversity of South DakotaSioux FallsSDUSA
- Sanford School of MedicineUniversity of South DakotaSioux FallsSDUSA
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12
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Kalveram L, Schunck WH, Rothe M, Rudolph B, Loddenkemper C, Holzhütter HG, Henning S, Bufler P, Schulz M, Meierhofer D, Zhang IW, Weylandt KH, Wiegand S, Hudert CA. Regulation of the cytochrome P450 epoxyeicosanoid pathway is associated with distinct histologic features in pediatric non-alcoholic fatty liver disease. Prostaglandins Leukot Essent Fatty Acids 2021; 164:102229. [PMID: 33388475 DOI: 10.1016/j.plefa.2020.102229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 12/15/2020] [Accepted: 12/15/2020] [Indexed: 12/14/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a significant health burden in obese children for which there is currently no specific therapy. Preclinical studies indicate that epoxyeicosanoids, a class of bioactive lipid mediators that are generated by cytochrome P450 (CYP) epoxygenases and inactivated by the soluble epoxide hydrolase (sEH), play a protective role in NAFLD. We performed a comprehensive lipidomics analysis using liver tissue and blood samples of 40 children with NAFLD. Proteomics was performed to determine CYP epoxygenase and sEH expressions. Hepatic epoxyeicosanoids significantly increased with higher grades of steatosis, while their precursor PUFAs were unaltered. Concomitantly, total CYP epoxygenase activity increased while protein level and activity of sEH decreased. In contrast, hepatic epoxyeicosanoids showed a strong decreasing trend with higher stages of fibrosis, accompanied by a decrease of CYP epoxygenase activity and protein expression. These findings suggest that the CYP epoxygenase/sEH pathway represents a potential pharmacologic target for the treatment of NAFLD.
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Affiliation(s)
- Laura Kalveram
- Center for Chronically Sick Children, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | | | | | - Birgit Rudolph
- Institute of Pathology, Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany
| | | | | | - Stephan Henning
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité -Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Philip Bufler
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité -Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Marten Schulz
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - David Meierhofer
- Max Planck Institute for Molecular Genetics, Mass Spectrometry Facility, 14195 Berlin, Germany
| | - Ingrid W Zhang
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Karsten H Weylandt
- Department of Gastroenterology, Diabetes, Oncology and Rheumatology, Ruppiner Kliniken, Brandenburg Medical School, 16816 Neuruppin, Germany
| | - Susanna Wiegand
- Center for Chronically Sick Children, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Christian A Hudert
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité -Universitätsmedizin Berlin, 13353 Berlin, Germany.
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13
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Arvind A, Osganian SA, Sjoquist JA, Corey KE, Simon TG. Epoxygenase-Derived Epoxyeicosatrienoic Acid Mediators Are Associated With Nonalcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis, and Fibrosis. Gastroenterology 2020; 159:2232-2234.e4. [PMID: 32768596 PMCID: PMC7725909 DOI: 10.1053/j.gastro.2020.08.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 07/13/2020] [Accepted: 08/03/2020] [Indexed: 01/10/2023]
Affiliation(s)
- Ashwini Arvind
- Harvard Medical School, Boston, MA,Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, MA
| | - Stephanie A. Osganian
- Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, MA
| | - Julia A. Sjoquist
- Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, MA
| | - Kathleen E. Corey
- Harvard Medical School, Boston, MA,Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, MA,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston MA
| | - Tracey G. Simon
- Harvard Medical School, Boston, MA,Liver Center and Gastrointestinal Division, Massachusetts General Hospital, Boston, MA,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston MA
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14
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He Y, Yang T, Du Y, Qin L, Ma F, Wu Z, Ling H, Yang L, Wang Z, Zhou Q, Ge G, Lu Y. High fat diet significantly changed the global gene expression profile involved in hepatic drug metabolism and pharmacokinetic system in mice. Nutr Metab (Lond) 2020; 17:37. [PMID: 32489392 PMCID: PMC7245748 DOI: 10.1186/s12986-020-00456-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 05/07/2020] [Indexed: 12/25/2022] Open
Abstract
Background High fat diet impact transcription of hepatic genes responsible for drug metabolism and pharmacokinetics. Until now, researches just focused on a couple specific genes without a global profile showing. Age-dependent manner was also not noted well. This study aims to investigate the high fat diet effect on transcriptome of drug metabolism and pharmacokinetic system in mouse livers and show the age-dependent evidence. Methods C57BL/6 male mice were used in this experiment. High fat diet was used to treat mice for 16 and 38 weeks. Serum total cholesterol, low density lipoprotein cholesterol, aspartate transaminase, and alanine transaminaselevels were measured. Meanwhile, Histology, RNA-Seq, RT-PCR analysis and fourteen major hepatic bile acids quantification were performed for the liver tissues. Data was mined at levels of genes, drug metabolism and pharmacokinetic sysem, and genome wide. Results Treatment with high fat diet for 38 weeks significantly increased levels of serum lipids as well as aspartate transaminase, and alanine transaminase. Meanwhile, lipid accumulation in livers was observed. At week 38 of the experiment, the profile of 612 genes involved in drug metabolism and pharmacokinetics was significantly changed, indicated by a heatmap visulization and a principal component analysis. In total 210 genes were significantly regulated. Cyp3a11, Cyp4a10, and Cyp4a14 were down-regulated by 10–35 folds, while these three genes also were highly expressed in the liver. High fat diet regulated 11% of genome-wide gene while 30% of genes involved in the hepatic drug metabolism and pharmacokinetic system. Genes, including Adh4, Aldh1b1, Cyp3a11, Cyp4a10, Cyp8b1, Fmo2, Gsta3, Nat8f1, Slc22a7, Slco1a4, Sult5a1, and Ugt1a9, were regulated by high fat diet as an aging-dependent manner. Bile acids homeostasis, in which many genes related to metabolism and transportation were enriched, was also changed by high fat diet with an aging-dependet manner. Expression of genes in drug metabolism and disposition system significantly correlated to serum lipid profiles, and frequently correlated with each other. Conclusions High fat diet changed the global transcription profile of hepatic drug metabolism and pharmacokinetic system with a age-dependent manner.
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Affiliation(s)
- Yuqi He
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China.,Institute of Chinese Materia Medica, Shanghai Key Laboratory of Complex Prescription and the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines , Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tao Yang
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China
| | - Yimei Du
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China
| | - Lin Qin
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China
| | - Feifei Ma
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China
| | - Zunping Wu
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China
| | - Hua Ling
- School of Pharmacy, Philadelphia College of Osteopathic Medicine, Suwanee, GA USA
| | - Li Yang
- Institute of Chinese Materia Medica, Shanghai Key Laboratory of Complex Prescription and the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines , Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhengtao Wang
- Institute of Chinese Materia Medica, Shanghai Key Laboratory of Complex Prescription and the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines , Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qingdi Zhou
- School of Chemistry, The University of Sydney, Camperdown, NSW2006 Australia
| | - Guangbo Ge
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China.,Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanliu Lu
- The Key Laboratory of the Minstry of Education of the Basic Pharmacology and the Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xue-Fu Road, Zunyi City, 563009 Guizhou China.,Institute of Chinese Materia Medica, Shanghai Key Laboratory of Complex Prescription and the Ministry of Education (MOE) Key Laboratory for Standardization of Chinese Medicines , Shanghai University of Traditional Chinese Medicine, Shanghai, China
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15
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Dou X, Feng L, Ying N, Ding Q, Song Q, Jiang F, Wang C, Li S. RNA Sequencing Reveals a Comprehensive Circular RNA Expression Profile in a Mouse Model of Alcoholic Liver Disease. Alcohol Clin Exp Res 2020; 44:415-422. [DOI: 10.1111/acer.14265] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 12/04/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Xiaobing Dou
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
- Molecular Medicine Institute (XD, QS, FJ, CW, SL) Zhejiang Chinese Medical University Hangzhou China
| | - Luyan Feng
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
| | - Na Ying
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
| | - Qinchao Ding
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
| | - Qing Song
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
- Molecular Medicine Institute (XD, QS, FJ, CW, SL) Zhejiang Chinese Medical University Hangzhou China
| | - Fusheng Jiang
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
- Molecular Medicine Institute (XD, QS, FJ, CW, SL) Zhejiang Chinese Medical University Hangzhou China
| | - Cui Wang
- College of Life Science (XD, LF, NY, QD, QS, FJ, CW) Zhejiang Chinese Medical University Hangzhou China
- Molecular Medicine Institute (XD, QS, FJ, CW, SL) Zhejiang Chinese Medical University Hangzhou China
| | - Songtao Li
- College of Basic Medicine & Public Health (SL) Zhejiang Chinese Medical University Hangzhou China
- Molecular Medicine Institute (XD, QS, FJ, CW, SL) Zhejiang Chinese Medical University Hangzhou China
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16
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Dos Santos LRB, Fleming I. Role of cytochrome P450-derived, polyunsaturated fatty acid mediators in diabetes and the metabolic syndrome. Prostaglandins Other Lipid Mediat 2019; 148:106407. [PMID: 31899373 DOI: 10.1016/j.prostaglandins.2019.106407] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 11/14/2019] [Accepted: 12/23/2019] [Indexed: 12/17/2022]
Abstract
Over the last decade, cases of metabolic syndrome and type II diabetes have increased exponentially. Exercise and ω-3 polyunsaturated fatty acid (PUFA)-enriched diets are usually prescribed but no therapy is effectively able to restore the impaired glucose metabolism, hypertension, and atherogenic dyslipidemia encountered by diabetic patients. PUFAs are metabolized by different enzymes into bioactive metabolites with anti- or pro-inflammatory activity. One important class of PUFA metabolizing enzymes are the cytochrome P450 (CYP) enzymes that can generate a series of bioactive products, many of which have been attributed protective/anti-inflammatory and insulin-sensitizing effects in animal models. PUFA epoxides are, however, further metabolized by the soluble epoxide hydrolase (sEH) to fatty acid diols. The biological actions of the latter are less well understood but while low concentrations may be biologically important, higher concentrations of diols derived from linoleic acid and docosahexaenoic acid have been linked with inflammation. One potential application for sEH inhibitors is in the treatment of diabetic retinopathy where sEH expression and activity is elevated as are levels of a diol of docosahexaenoic acid that can induce the destabilization of the retina vasculature.
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Affiliation(s)
- Laila R B Dos Santos
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany; German Centre for Cardiovascular Research (DZHK) Partner Site Rhein-Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany; German Centre for Cardiovascular Research (DZHK) Partner Site Rhein-Main, Germany.
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17
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Raffaele M, Bellner L, Singh SP, Favero G, Rezzani R, Rodella LF, Falck JR, Abraham NG, Vanella L. Epoxyeicosatrienoic intervention improves NAFLD in leptin receptor deficient mice by an increase in HO-1-PGC1α mitochondrial signaling. Exp Cell Res 2019; 380:180-187. [DOI: 10.1016/j.yexcr.2019.04.029] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 02/07/2023]
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18
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Wang X, Li L, Wang H, Xiao F, Ning Q. Epoxyeicosatrienoic acids alleviate methionine‐choline‐deficient diet–induced non‐alcoholic steatohepatitis in mice. Scand J Immunol 2019; 90:e12791. [PMID: 31132306 DOI: 10.1111/sji.12791] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 05/14/2019] [Accepted: 05/17/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Xiaojing Wang
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Lan Li
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Hongwu Wang
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Fang Xiao
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
| | - Qin Ning
- Department and Institute of Infectious Disease Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan China
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19
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Ishihara T, Yoshida M, Arita M. Omega-3 fatty acid-derived mediators that control inflammation and tissue homeostasis. Int Immunol 2019; 31:559-567. [DOI: 10.1093/intimm/dxz001] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 01/14/2019] [Indexed: 12/23/2022] Open
Abstract
AbstractOmega-3 polyunsaturated fatty acids (PUFAs), including eicosapentaenoic acid, docosapentaenoic acid and docosahexaenoic acid, display a wide range of beneficial effects in humans and animals. Many of the biological functions of PUFAs are mediated via bioactive metabolites produced by fatty acid oxygenases such as cyclooxygenases, lipoxygenases and cytochrome P450 monooxygenases. Liquid chromatography–tandem mass spectrometry-based mediator lipidomics revealed a series of novel bioactive lipid mediators derived from omega-3 PUFAs. Here, we describe recent advances on omega-3 PUFA-derived mediators, mainly focusing on their enzymatic oxygenation pathway, and their biological functions in controlling inflammation and tissue homeostasis.
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Affiliation(s)
- Tomoaki Ishihara
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan
| | - Mio Yoshida
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Shibakoen, Minato-ku, Tokyo, Japan
| | - Makoto Arita
- Laboratory for Metabolomics, RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Shibakoen, Minato-ku, Tokyo, Japan
- Cellular and Molecular Epigenetics Laboratory, Graduate School of Medical Life Science, Yokohama City University, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, Japan
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20
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Ohashi H, Nishioka K, Nakajima S, Kim S, Suzuki R, Aizaki H, Fukasawa M, Kamisuki S, Sugawara F, Ohtani N, Muramatsu M, Wakita T, Watashi K. The aryl hydrocarbon receptor-cytochrome P450 1A1 pathway controls lipid accumulation and enhances the permissiveness for hepatitis C virus assembly. J Biol Chem 2018; 293:19559-19571. [PMID: 30381393 DOI: 10.1074/jbc.ra118.005033] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/24/2018] [Indexed: 12/12/2022] Open
Abstract
Viruses hijack and modify host cell functions to maximize viral proliferation. Hepatitis C virus (HCV) reorganizes host cell metabolism to produce specialized membrane structures and to modify organelles such as double-membrane vesicles and enlarged lipid droplets (LDs), thereby enabling virus replication and assembly. However, the molecular bases of these host-HCV interactions are largely unknown. Here, using a chemical screen, we demonstrate that the benzamide derivative flutamide reduces the host capacity to produce infectious HCV. Flutamide disrupted the formation of enlarged LDs in HCV-infected cells, thereby abolishing HCV assembly. We also report that aryl hydrocarbon receptor (AhR), a known flutamide target, plays a key role in mediating LD accumulation and HCV production. This AhR function in lipid production was also observed in HCV-uninfected Huh-7 cells and primary human hepatocytes, suggesting that AhR signaling regulates lipid accumulation independently of HCV infection. We further observed that a downstream activity, that of cytochrome P450 1A1 (CYP1A1), was the primary regulator of AhR-mediated lipid production. Specifically, blockade of AhR-induced CYP1A1 up-regulation counteracted LD overproduction, and overproduction of CYP1A1, but not of CYP1B1, in AhR-inactivated cells restored lipid accumulation. Of note, HCV infection up-regulated the AhR-CYP1A1 pathway, resulting in the accumulation of enlarged LDs. In conclusion, we demonstrate that the AhR-CYP1A1 pathway has a significant role in lipid accumulation, a hallmark of HCV infection that maximizes progeny virus production. Our chemical-genetic analysis reveals a new strategy and lead compounds to control hepatic lipid accumulation as well as HCV infection.
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Affiliation(s)
- Hirofumi Ohashi
- From the Department of Virology II and.,the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | - Kazane Nishioka
- From the Department of Virology II and.,the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | - Syo Nakajima
- From the Department of Virology II and.,the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | - Sulyi Kim
- From the Department of Virology II and
| | | | | | - Masayoshi Fukasawa
- the Department of Biochemistry and Cell Biology, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Shinji Kamisuki
- the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | - Fumio Sugawara
- the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | - Naoko Ohtani
- the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and
| | | | | | - Koichi Watashi
- From the Department of Virology II and .,the Tokyo University of Science Graduate School of Science and Technology, Noda 278-8510, Japan, and.,CREST, Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
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21
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Araújo AC, Wheelock CE, Haeggström JZ. The Eicosanoids, Redox-Regulated Lipid Mediators in Immunometabolic Disorders. Antioxid Redox Signal 2018; 29:275-296. [PMID: 28978222 DOI: 10.1089/ars.2017.7332] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SIGNIFICANCE The oxidation of arachidonic acid via cyclooxygenase (COX) and lipoxygenase (LOX) activity to produce eicosanoids during inflammation is a well-known biosynthetic pathway. These lipid mediators are involved in fever, pain, and thrombosis and are produced from multiple cells as well as cell/cell interactions, for example, immune cells and epithelial/endothelial cells. Metabolic disorders, including hyperlipidemia, hypertension, and diabetes, are linked with chronic low-grade inflammation, impacting the immune system and promoting a variety of chronic diseases. Recent Advances: Multiple studies have corroborated the important function of eicosanoids and their receptors in (non)-inflammatory cells in immunometabolic disorders (e.g., insulin resistance, obesity, and cardiovascular and nonalcoholic fatty liver diseases). In this context, LOX and COX products are involved in both pro- and anti-inflammatory responses. In addition, recent work has elucidated the potent function of specialized proresolving mediators (i.e., lipoxins and resolvins) in resolving inflammation, protecting organs, and stimulating tissue repair and remodeling. CRITICAL ISSUES Inhibiting/stimulating selected eicosanoid pathways may result in anti-inflammatory and proresolution responses leading to multiple beneficial effects, including the abrogation of reactive oxygen species production, increased speed of resolution, and overall improvement of diseases related to immunometabolic perturbations. FUTURE DIRECTIONS Despite many achievements, it is crucial to understand the molecular and cellular mechanisms underlying immunological/metabolic cross talk to offer substantial therapeutic promise. Antioxid. Redox Signal. 29, 275-296.
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Affiliation(s)
- Ana Carolina Araújo
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , Stockholm, Sweden
| | - Craig E Wheelock
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , Stockholm, Sweden
| | - Jesper Z Haeggström
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , Stockholm, Sweden
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22
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Cuykx M, Claes L, Rodrigues RM, Vanhaecke T, Covaci A. Metabolomics profiling of steatosis progression in HepaRG ® cells using sodium valproate. Toxicol Lett 2018; 286:22-30. [PMID: 29355688 DOI: 10.1016/j.toxlet.2017.12.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 12/12/2017] [Accepted: 12/20/2017] [Indexed: 02/07/2023]
Abstract
Non-alcoholic Fatty Liver Disease (NAFLD) is a frequently encountered Drug-Induced Liver Injury (DILI). Although this stage of the disease is reversible, it can lead to irreversible damage provoked by non-alcoholic steatohepatitis (NASH), fibrosis and cirrhosis. Therefore, the assessment of NAFLD is a paramount objective in toxicological screenings of new drug candidates. In this study, a metabolomic fingerprint of NAFLD induced in HepaRG® cells at four dosing schemes by a reference toxicant, sodium valproate (NaVPA), was obtained using liquid-liquid extraction followed by liquid chromatography and accurate mass-mass spectrometry (LC-AM/MS). The combination of a strict design of experiment with a robust detection method, applied on sodium valproate, validated the possibilities of untargeted metabolomics in hepatic toxicological research. Distinctive patterns between exposed and control cells were consistently observed, multivariate analyses selected up to 200 features of interest, revealing hallmark NAFLD-biomarkers, such as diacylglycerol and triglyceride accumulation and carnitine deficiency. Initial toxic responses show increased levels of S-adenosylmethionine and mono-acetylspermidine in combination with only a moderate increase in triglycerides. New specific markers of toxicity have been observed, such as spermidines, creatine, and acetylcholine. The described design of experiment provides a valuable metabolomics platform for mechanistic research of toxicological hazards and identified new markers for steatotic progression.
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Affiliation(s)
- Matthias Cuykx
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
| | - Leen Claes
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Robim M Rodrigues
- Research group In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Jette, Belgium
| | - Tamara Vanhaecke
- Research group In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Jette, Belgium
| | - Adrian Covaci
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
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23
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Therapeutic potential of omega-3 fatty acid-derived epoxyeicosanoids in cardiovascular and inflammatory diseases. Pharmacol Ther 2017; 183:177-204. [PMID: 29080699 DOI: 10.1016/j.pharmthera.2017.10.016] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Numerous benefits have been attributed to dietary long-chain omega-3 polyunsaturated fatty acids (n-3 LC-PUFAs), including protection against cardiac arrhythmia, triglyceride-lowering, amelioration of inflammatory, and neurodegenerative disorders. This review covers recent findings indicating that a variety of these beneficial effects are mediated by "omega-3 epoxyeicosanoids", a class of novel n-3 LC-PUFA-derived lipid mediators, which are generated via the cytochrome P450 (CYP) epoxygenase pathway. CYP enzymes, previously identified as arachidonic acid (20:4n-6; AA) epoxygenases, accept eicosapentaenoic acid (20:5n-3; EPA) and docosahexaenoic acid (22:6n-3; DHA), the major fish oil n-3 LC-PUFAs, as efficient alternative substrates. In humans and rodents, dietary EPA/DHA supplementation causes a profound shift of the endogenous CYP-eicosanoid profile from AA- to EPA- and DHA-derived metabolites, increasing, in particular, the plasma and tissue levels of 17,18-epoxyeicosatetraenoic acid (17,18-EEQ) and 19,20-epoxydocosapentaenoic acid (19,20-EDP). Based on preclinical studies, these omega-3 epoxyeicosanoids display cardioprotective, vasodilatory, anti-inflammatory, and anti-allergic properties that contribute to the beneficial effects of n-3 LC-PUFAs in diverse disease conditions ranging from cardiac disease, bronchial disorders, and intraocular neovascularization, to allergic intestinal inflammation and inflammatory pain. Increasing evidence also suggests that background nutrition as well as genetic and disease state-related factors could limit the response to EPA/DHA-supplementation by reducing the formation and/or enhancing the degradation of omega-3 epoxyeicosanoids. Recently, metabolically robust synthetic analogs mimicking the biological activities of 17,18-EEQ have been developed. These drug candidates may overcome limitations of dietary EPA/DHA supplementation and provide novel options for the treatment of cardiovascular and inflammatory diseases.
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24
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Sridharan GV, D'Alessandro M, Bale SS, Bhagat V, Gagnon H, Asara JM, Uygun K, Yarmush ML, Saeidi N. Multi-omic network-based interrogation of rat liver metabolism following gastric bypass surgery featuring SWATH proteomics. TECHNOLOGY 2017; 5:139-184. [PMID: 29780857 PMCID: PMC5956888 DOI: 10.1142/s233954781750008x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Morbidly obese patients often elect for Roux-en-Y gastric bypass (RYGB), a form of bariatric surgery that triggers a remarkable 30% reduction in excess body weight and reversal of insulin resistance for those who are type II diabetic. A more complete understanding of the underlying molecular mechanisms that drive the complex metabolic reprogramming post-RYGB could lead to innovative non-invasive therapeutics that mimic the beneficial effects of the surgery, namely weight loss, achievement of glycemic control, or reversal of non-alcoholic steatohepatitis (NASH). To facilitate these discoveries, we hereby demonstrate the first multi-omic interrogation of a rodent RYGB model to reveal tissue-specific pathway modules implicated in the control of body weight regulation and energy homeostasis. In this study, we focus on and evaluate liver metabolism three months following RYGB in rats using both SWATH proteomics, a burgeoning label free approach using high resolution mass spectrometry to quantify protein levels in biological samples, as well as MRM metabolomics. The SWATH analysis enabled the quantification of 1378 proteins in liver tissue extracts, of which we report the significant down-regulation of Thrsp and Acot13 in RYGB as putative targets of lipid metabolism for weight loss. Furthermore, we develop a computational graph-based metabolic network module detection algorithm for the discovery of non-canonical pathways, or sub-networks, enriched with significantly elevated or depleted metabolites and proteins in RYGB-treated rat livers. The analysis revealed a network connection between the depleted protein Baat and the depleted metabolite taurine, corroborating the clinical observation that taurine-conjugated bile acid levels are perturbed post-RYGB.
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Affiliation(s)
- Gautham Vivek Sridharan
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
| | - Matthew D'Alessandro
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
| | - Shyam Sundhar Bale
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
| | - Vicky Bhagat
- Warren Alpert Medical School of Brown University, 222 Richmond St., Providence, RI 02903, USA
| | - Hugo Gagnon
- Phenoswitch Bioscience, 3001 12e Avenue N, Sherbrooke, QC J1H 5N4, Canada
| | - John M Asara
- Beth Israel Deaconness Medical Center, 3 Blackfan Circle Rm 425, Boston, MA 02115, USA
| | - Korkut Uygun
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
| | - Martin L Yarmush
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
| | - Nima Saeidi
- Center for Engineering in Medicine, Harvard Medical School - Massachusetts General Hospital, 51 Blossom Street, Boston, MA 02114, USA
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25
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Kania-Korwel I, Wu X, Wang K, Lehmler HJ. Identification of lipidomic markers of chronic 3,3',4,4',5-pentachlorobiphenyl (PCB 126) exposure in the male rat liver. Toxicology 2017; 390:124-134. [PMID: 28890136 PMCID: PMC5633524 DOI: 10.1016/j.tox.2017.09.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/28/2017] [Accepted: 09/05/2017] [Indexed: 12/14/2022]
Abstract
Exposure to PCB 126, an environmentally relevant aryl hydrocarbon receptor agonist, is an environmental factor causing hepatic steatosis in rodent models; however, the lipidome of PCB 126-exposed rats has not been investigated in-depth. The objective of the present study was therefore to characterize dose-dependent changes in the lipid profile in the liver of male Sprague-Dawley rats exposed to PCB 126. Rats were exposed for three month to intraperitoneal injections of 0.01, 0.05 and 0.2μmol/kg bw PCB 126 in corn oil. Control animals were exposed in parallel and received corn oil alone. Lipids were extracted from whole liver homogenate and levels of polar lipids and fatty acids incorporated into triglycerides (FATAGs) were determined with tandem mass spectrometry using electrospray ionization. PCB 126 exposure increased the hepatic content of polar lipids and FATAGs. Protein adjusted levels of several polar lipid classes, in particular phosphatidylserine levels, decreased, whereas FATAGs levels typically increased with increasing PCB 126 dose. Sensitive, dose-dependent endpoints of PCB 126 exposure included an increase in levels of adrenic acid incorporated into triglycerides and changes in levels of certain ether-linked phospholipid and 1-alkyl/1-alkenyldiacylglycerol species, as determined using partial least square discriminant analysis (PLS-DA) and ANOVA. These changes in the composition of polar lipids and fatty acid in the liver of PCB 126 exposed rats identified several novel markers of PCB 126-mediated fatty liver disease that need to be validated in further studies.
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Affiliation(s)
- Izabela Kania-Korwel
- Department of Occupational Environmental Health, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Xianai Wu
- Department of Occupational Environmental Health, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Kai Wang
- Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Hans-Joachim Lehmler
- Department of Occupational Environmental Health, College of Public Health, The University of Iowa, Iowa City, IA, USA.
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