1
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Freeburg SH, Shwartz A, Kemény LV, Smith CJ, Weeks O, Miller BM, PenkoffLidbeck N, Fisher DE, Evason KJ, Goessling W. Hepatocyte vitamin D receptor functions as a nutrient sensor that regulates energy storage and tissue growth in zebrafish. Cell Rep 2024; 43:114393. [PMID: 38944835 DOI: 10.1016/j.celrep.2024.114393] [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: 11/07/2023] [Revised: 03/20/2024] [Accepted: 06/07/2024] [Indexed: 07/02/2024] Open
Abstract
Vitamin D receptor (VDR) has been implicated in fatty liver pathogenesis, but its role in the regulation of organismal energy usage remains unclear. Here, we illuminate the evolutionary function of VDR by demonstrating that zebrafish Vdr coordinates hepatic and organismal energy homeostasis through antagonistic regulation of nutrient storage and tissue growth. Hepatocyte-specific Vdr impairment increases hepatic lipid storage, partially through acsl4a induction, while simultaneously diminishing fatty acid oxidation and liver growth. Importantly, Vdr impairment exacerbates the starvation-induced hepatic storage of systemic fatty acids, indicating that loss of Vdr signaling elicits hepatocellular energy deficiency. Strikingly, hepatocyte Vdr impairment diminishes diet-induced systemic growth while increasing hepatic and visceral fat in adult fish, revealing that hepatic Vdr signaling is required for complete adaptation to food availability. These data establish hepatocyte Vdr as a regulator of organismal energy expenditure and define an evolutionary function for VDR as a transcriptional effector of environmental nutrient supply.
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Affiliation(s)
- Scott H Freeburg
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Arkadi Shwartz
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Lajos V Kemény
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; HCEMM-SU Translational Dermatology Research Group, Department of Physiology, Semmelweis University, 1085 Budapest Hungary; Department of Dermatology, Venereology, and Dermatooncology, Semmelweis University, 1085 Budapest Hungary
| | - Colton J Smith
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Olivia Weeks
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bess M Miller
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nadia PenkoffLidbeck
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - David E Fisher
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Kimberley J Evason
- Huntsman Cancer Institute and Department of Pathology, University of Utah, Salt Lake City, UT 84112, USA
| | - Wolfram Goessling
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard-MIT Division of Health Sciences and Technology, Boston, MA 02115, USA; Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
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2
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Jiang Y, Wang S, Shuai J, Zhang X, Zhang S, Huang H, Zhang Q, Fu L. Dietary dicarbonyl compounds exacerbated immune dysfunction and hepatic oxidative stress under high-fat diets in vivo. Food Funct 2024. [PMID: 38898781 DOI: 10.1039/d3fo05708a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
High-fat diets (HFDs) predispose to obesity and liver dysfunctions, and α-dicarbonyl compounds (α-DCs) present in highly processed foods are also implicated in relevant pathological processes. However, the synergistic harmful effects of α-DCs co-administered with HFDs remain to be elucidated. In this study, 6-week-old C57BL/6 mice were fed with a HFD co-administered with 0.5% methylglyoxal (MGO)/glyoxal (GO) in water for 8 weeks, and multi-omics approaches were employed to investigate the underlying toxicity mechanisms. The results demonstrated that the MGO intervention with a HFD led to an increased body weight and blood glucose level, accompanied by the biological accumulation of α-DCs and carboxymethyl-lysine, as well as elevated serum levels of inflammatory markers including IL-1β, IL-6, and MIP-1α. Notably, hepatic lesions were observed in the MGO group under HFD conditions, concomitant with elevated levels of malondialdehyde. Transcriptomic analysis revealed enrichment of pathways and differentially expressed genes (DEGs) associated with inflammation and oxidative stress in the liver. Furthermore, α-DC intervention exacerbated gut microbial dysbiosis in the context of a HFD, and through Spearman correlation analysis, the dominant genera such as Fusobacterium and Bacteroides in the MGO group and Colidextribacter and Parabacteroides in the GO group were significantly correlated with a set of DEGs involved in inflammatory and oxidative stress pathways in the liver. This study provides novel insights into the healthy implications of dietary ultra-processed food products in the context of obesity-associated disorders.
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Affiliation(s)
- Yuhao Jiang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, 18 Xue Zheng Street, Hangzhou, 310018, Zhejiang Province, China.
| | - Shunyu Wang
- hejiang Li Zi Yuan Food Co., Ltd, Z, Jinhua, 321031, China
| | - Jiangbing Shuai
- Zhejiang Academy of Science & Technology for Inspection & Quarantine, Hangzhou, 310016, China
| | - Xiaofeng Zhang
- Zhejiang Academy of Science & Technology for Inspection & Quarantine, Hangzhou, 310016, China
| | - Shuifeng Zhang
- National Pre-packaged Food Quality Supervision and Inspection Center, Zhejiang Fangyuan Test Group Co., Ltd., Hangzhou, 310018, China
| | - Hua Huang
- Quzhou Institute for Food and Drug Control, Quzhou, 324000, China
| | - Qiaozhi Zhang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, 18 Xue Zheng Street, Hangzhou, 310018, Zhejiang Province, China.
| | - Linglin Fu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, 18 Xue Zheng Street, Hangzhou, 310018, Zhejiang Province, China.
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3
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Reza-Zaldívar E, Jacobo-Velázquez DA. Targeting Metabolic Syndrome Pathways: Carrot microRNAs As Potential Modulators. ACS OMEGA 2024; 9:21891-21903. [PMID: 38799337 PMCID: PMC11112692 DOI: 10.1021/acsomega.3c09633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 04/11/2024] [Accepted: 04/24/2024] [Indexed: 05/29/2024]
Abstract
Metabolic syndrome is a condition characterized by metabolic alterations that culminate in chronic noncommunicable diseases of high morbidity and mortality, such as cardiovascular diseases, type 2 diabetes, nonalcoholic fatty liver disease, and colon cancer. Developing new therapeutic strategies with a multifactorial approach is important since current therapies focus on only one or two components of the metabolic syndrome. In this sense, plant-based gene regulation represents an innovative strategy to prevent or modulate human metabolic pathologies, including metabolic syndrome. Here, using a computational and systems biology approach, it was found that carrot microRNAs can modulate key BMPs/SMAD signaling members, C/EBPs, and KLFs involved in several aspects associated with metabolic syndrome, including the hsa04350:TGF-beta signaling pathway, hsa04931:insulin resistance, hsa04152:AMPK signaling pathway, hsa04933:AGE-RAGE signaling pathway in diabetic complications, hsa04010:MAPK signaling pathway, hsa04350:TGF-beta signaling pathway, hsa01522:endocrine resistance, and hsa04910:insulin signaling pathway. These data demonstrated the potential applications of carrot microRNAs as effective food-based therapeutics for obesity and associated metabolic diseases.
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Affiliation(s)
- Edwin
E. Reza-Zaldívar
- Tecnologico
de Monterrey, Institute for Obesity Research, Ave. General Ramon Corona 2514, Zapopan 45201, Jalisco, Mexico
| | - Daniel A. Jacobo-Velázquez
- Tecnologico
de Monterrey, Institute for Obesity Research, Ave. General Ramon Corona 2514, Zapopan 45201, Jalisco, Mexico
- Tecnologico
de Monterrey, Escuela de Ingeniería y Ciencias, Ave. General Ramon Corona 2514, Zapopan 45138, Jalisco, Mexico
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4
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Acun A, Fan L, Oganesyan R, Uygun KM, Yeh H, Yarmush ML, Uygun BE. Effect of Donor Age and Liver Steatosis on Potential of Decellularized Liver Matrices to be used as a Platform for iPSC-Hepatocyte Culture. Adv Healthc Mater 2024; 13:e2302943. [PMID: 38266310 PMCID: PMC11102338 DOI: 10.1002/adhm.202302943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/13/2023] [Indexed: 01/26/2024]
Abstract
Decellularization of discarded whole livers and their recellularization with patient-specific induced pluripotent stem cells (iPSCs) to develop a functional organ is a promising approach to increasing the donor pool. The effect of extracellular matrix (ECM) of marginal livers on iPSC-hepatocyte differentiation and function has not been shown. To test the effect of donor liver ECM age and steatosis, young and old, as well as no, low, and high steatosis livers, are decellularized. All livers are decellularized successfully. High steatosis livers have fat remaining on the ECM after decellularization. Old donor liver ECM induces lower marker expression in early differentiation stages, compared to young liver ECM, while this difference is closed at later stages and do not affect iPSC-hepatocyte function significantly. High steatosis levels of liver ECM lead to higher albumin mRNA expression and secretion while at later stages of differentiation expression of major cytochrome (CYP) 450 enzymes is highest in low steatosis liver ECM. Both primary human hepatocytes and iPSC-hepatocytes show an increase in fat metabolism marker expression with increasing steatosis levels most likely induced by excess fat remaining on the ECM. Overall, removal of excess fat from liver ECM may be needed for inducing proper hepatic function after recellularization.
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Affiliation(s)
- Aylin Acun
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
- Department of Biomedical Engineering, Widener University, Chester, PA, 19013, USA
| | - Letao Fan
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
| | - Ruben Oganesyan
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
| | - Korkut M. Uygun
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
| | - Heidi Yeh
- Shriners Children’s, Boston, Boston, MA, 02114, USA
| | - Martin L. Yarmush
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, 08854, USA
| | - Basak E. Uygun
- Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
- Shriners Children’s, Boston, Boston, MA, 02114, USA
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5
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Kodama T, Takehara T. Molecular Genealogy of Metabolic-associated Hepatocellular Carcinoma. Semin Liver Dis 2024. [PMID: 38499207 DOI: 10.1055/a-2289-2298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
This review examines the latest epidemiological and molecular pathogenic findings of metabolic-associated hepatocellular carcinoma (HCC). Its increasing prevalence is a significant concern and reflects the growing burden of obesity and metabolic diseases, including metabolic dysfunction-associated steatotic liver disease, formerly known as nonalcoholic fatty liver disease, and type 2 diabetes. Metabolic-associated HCC has unique molecular abnormality and distinctive gene expression patterns implicating aberrations in bile acid, fatty acid metabolism, oxidative stress, and proinflammatory pathways. Furthermore, a notable frequency of single nucleotide polymorphisms in genes such as patatin-like phospholipase domain-containing 3, transmembrane 6 superfamily member 2, glucokinase regulator, and membrane-bound O-acyltransferase domain-containing 7 has been observed. The tumor immune microenvironment of metabolic-associated HCC is characterized by unique phenotypes of macrophages, neutrophils, and T lymphocytes. Additionally, the pathogenesis of metabolic-associated HCC is influenced by abnormal lipid metabolism, insulin resistance, and dysbiosis. In conclusion, deciphering the intricate interactions among metabolic processes, genetic predispositions, inflammatory responses, immune regulation, and microbial ecology is imperative for the development of novel therapeutic and preventative measures against metabolic-associated HCC.
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Affiliation(s)
- Takahiro Kodama
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Tetsuo Takehara
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan
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6
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Peleman C, Francque S, Berghe TV. Emerging role of ferroptosis in metabolic dysfunction-associated steatotic liver disease: revisiting hepatic lipid peroxidation. EBioMedicine 2024; 102:105088. [PMID: 38537604 PMCID: PMC11026979 DOI: 10.1016/j.ebiom.2024.105088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/22/2024] [Accepted: 03/12/2024] [Indexed: 04/14/2024] Open
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH) is characterised by cell death of parenchymal liver cells which interact with their microenvironment to drive disease activity and liver fibrosis. The identification of the major death type could pave the way towards pharmacotherapy for MASH. To date, increasing evidence suggest a type of regulated cell death, named ferroptosis, which occurs through iron-catalysed peroxidation of polyunsaturated fatty acids (PUFA) in membrane phospholipids. Lipid peroxidation enjoys renewed interest in the light of ferroptosis, as druggable target in MASH. This review recapitulates the molecular mechanisms of ferroptosis in liver physiology, evidence for ferroptosis in human MASH and critically appraises the results of ferroptosis targeting in preclinical MASH models. Rewiring of redox, iron and PUFA metabolism in MASH creates a proferroptotic environment involved in MASH-related hepatocellular carcinoma (HCC) development. Ferroptosis induction might be a promising novel approach to eradicate HCC, while its inhibition might ameliorate MASH disease progression.
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Affiliation(s)
- Cédric Peleman
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium
| | - Sven Francque
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium.
| | - Tom Vanden Berghe
- VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
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7
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Greeny A, Nair A, Sadanandan P, Satarker S, Famurewa AC, Nampoothiri M. Epigenetic Alterations in Alzheimer's Disease: Impact on Insulin Signaling and Advanced Drug Delivery Systems. BIOLOGY 2024; 13:157. [PMID: 38534427 DOI: 10.3390/biology13030157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/28/2024]
Abstract
Alzheimer's disease (AD) is a neurodegenerative condition that predominantly affects the hippocampus and the entorhinal complex, leading to memory lapse and cognitive impairment. This can have a negative impact on an individual's behavior, speech, and ability to navigate their surroundings. AD is one of the principal causes of dementia. One of the most accepted theories in AD, the amyloid β (Aβ) hypothesis, assumes that the buildup of the peptide Aβ is the root cause of AD. Impaired insulin signaling in the periphery and central nervous system has been considered to have an effect on the pathophysiology of AD. Further, researchers have shifted their focus to epigenetic mechanisms that are responsible for dysregulating major biochemical pathways and intracellular signaling processes responsible for directly or indirectly causing AD. The prime epigenetic mechanisms encompass DNA methylation, histone modifications, and non-coding RNA, and are majorly responsible for impairing insulin signaling both centrally and peripherally, thus leading to AD. In this review, we provide insights into the major epigenetic mechanisms involved in causing AD, such as DNA methylation and histone deacetylation. We decipher how the mechanisms alter peripheral insulin signaling and brain insulin signaling, leading to AD pathophysiology. In addition, this review also discusses the need for newer drug delivery systems for the targeted delivery of epigenetic drugs and explores targeted drug delivery systems such as nanoparticles, vesicular systems, networks, and other nano formulations in AD. Further, this review also sheds light on the future approaches used for epigenetic drug delivery.
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Affiliation(s)
- Alosh Greeny
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Ayushi Nair
- Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Health Science Campus, Kochi 682041, India
| | - Prashant Sadanandan
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Health Science Campus, Kochi 682041, India
| | - Sairaj Satarker
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Ademola C Famurewa
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medical Sciences, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo 482123, Nigeria
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, India
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8
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Mass-Sanchez PB, Krizanac M, Štancl P, Leopold M, Engel KM, Buhl EM, van Helden J, Gassler N, Schiller J, Karlić R, Möckel D, Lammers T, Meurer SK, Weiskirchen R, Asimakopoulos A. Perilipin 5 deletion protects against nonalcoholic fatty liver disease and hepatocellular carcinoma by modulating lipid metabolism and inflammatory responses. Cell Death Discov 2024; 10:94. [PMID: 38388533 PMCID: PMC10884415 DOI: 10.1038/s41420-024-01860-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/26/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024] Open
Abstract
The molecular mechanisms underlying the transition from nonalcoholic fatty liver disease (NAFLD) to hepatocellular carcinoma (HCC) are incompletely understood. During the development of NAFLD, Perilipin 5 (PLIN5) can regulate lipid metabolism by suppressing lipolysis and preventing lipotoxicity. Other reports suggest that the lack of PLIN5 decreases hepatic injury, indicating a protective role in NAFLD pathology. To better understand the role of PLIN5 in liver disease, we established mouse models of NAFLD and NAFLD-induced HCC, in which wild-type and Plin5 null mice were exposed to a single dose of acetone or 7,12-dimethylbenz[a]anthracene (DMBA) in acetone, followed by a 30-week high-fat diet supplemented with glucose/fructose. In the NAFLD model, RNA-seq revealed significant changes in genes related to lipid metabolism and immune response. At the intermediate level, pathways such as AMP-activated protein kinase (AMPK), signal transducer and activator of transcription 3 (STAT3), c-Jun N-terminal kinase (JNK), and protein kinase B (AKT) were blunted in Plin5-deficient mice (Plin5-/-) compared to wild-type mice (WT). In the NAFLD-HCC model, only WT mice developed liver tumors, while Plin5-/- mice were resistant to tumorigenesis. Furthermore, only 32 differentially expressed genes associated with NALFD progession were identified in Plin5 null mice. The markers of mitochondrial function and immune response, such as the peroxisome proliferator-activated receptor-γ, coactivator 1-α (PGC-1α) and phosphorylated STAT3, were decreased. Lipidomic analysis revealed differential levels of some sphingomyelins between WT and Plin5-/- mice. Interestingly, these changes were not detected in the HCC model, indicating a possible shift in the metabolism of sphingomelins during carcinogenesis.
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Affiliation(s)
- Paola Berenice Mass-Sanchez
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany
| | - Marinela Krizanac
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany
| | - Paula Štancl
- Bioinformatics Group, Division of Molecular Biology, Department of Biology, Faculty of Science, University of Zagreb, HR-10000, Zagreb, Croatia
| | - Marvin Leopold
- Institute for Medical Physics and Biophysics, Leipzig University, Facutly of Medicine, D-04107, Leipzig, Germany
| | - Kathrin M Engel
- Institute for Medical Physics and Biophysics, Leipzig University, Facutly of Medicine, D-04107, Leipzig, Germany
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Institute of Pathology, RWTH Aachen University Hospital, D-52074, Aachen, Germany
| | | | - Nikolaus Gassler
- Section Pathology, Institute of Legal Medicine, University Hospital Jena, D-07747, Jena, Germany
| | - Jürgen Schiller
- Institute for Medical Physics and Biophysics, Leipzig University, Facutly of Medicine, D-04107, Leipzig, Germany
| | - Rosa Karlić
- Bioinformatics Group, Division of Molecular Biology, Department of Biology, Faculty of Science, University of Zagreb, HR-10000, Zagreb, Croatia
| | - Diana Möckel
- Institute for Experimental Molecular Imaging, RWTH Aachen, D-52074, Aachen, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging, RWTH Aachen, D-52074, Aachen, Germany
| | - Steffen K Meurer
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany.
| | - Anastasia Asimakopoulos
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany.
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9
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Luo M, Wang Y, Ma Y, Li J, Wang J, Liu C. Celastrol Stabilizes Glycolipid Metabolism in Hepatic Steatosis by Binding and Regulating the Peroxisome Proliferator-Activated Receptor γ Signaling Pathway. Metabolites 2024; 14:64. [PMID: 38276299 PMCID: PMC10818689 DOI: 10.3390/metabo14010064] [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: 11/27/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
The prevalence of nonalcoholic fatty liver disease (NAFLD) has been increasing. Obesity, insulin resistance, and lipid metabolic dysfunction are always accompanied by NAFLD. Celastrol modulates the Peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer binding protein α (C/EBPα) signaling pathways, thereby promoting lipolysis in 3T3-L1 adipocytes. In the present study, oleic-acid-induced NAFLD and differentiated 3T3-L1 preadipocytes were used as models of NAFLD and obesity to investigate the protective effect of celastrol. We investigated the impact of celastrol on hepatic steatosis caused by oleic acid (OA), as well as the associated underlying molecular pathways. To address the aforementioned questions, we used a cellular approach to analyze the signaling effects of celastrol on various aspects. These factors include the improvement in fatty liver in HepG2 cells, the differentiation of 3T3-L1 preadipocytes, glucose uptake, and the modulation of key transcriptional pathways associated with PPARγ. The administration of celastrol effectively mitigated lipid accumulation caused by OA in HepG2 cells, thereby ameliorating fatty liver conditions. Furthermore, celastrol suppressed the impacts on adipocyte differentiation in 3T3-L1 adipocytes. Additionally, celastrol exhibited the ability to bind to PPARγ and modulate its transcriptional activity. Notably, the ameliorative effects of celastrol on hepatic steatosis were reversed by rosiglitazone. According to our preliminary findings from in vitro celastrol signaling studies, PPARγ is likely to be the direct target of celastrol in regulating hepatic steatosis in HepG2 cells and adipocyte differentiation in 3T3-L1 cells.
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Affiliation(s)
| | | | | | | | | | - Changzhen Liu
- Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (M.L.); (Y.W.); (Y.M.); (J.L.); (J.W.)
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10
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Brie B, Sarmento-Cabral A, Pascual F, Cordoba-Chacon J, Kineman RD, Becu-Villalobos D. Modifications of the GH Axis Reveal Unique Sexually Dimorphic Liver Signatures for Lcn13, Asns, Hamp2, Hao2, and Pgc1a. J Endocr Soc 2024; 8:bvae015. [PMID: 38370444 PMCID: PMC10872697 DOI: 10.1210/jendso/bvae015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Indexed: 02/20/2024] Open
Abstract
Growth hormone (GH) modifies liver gene transcription in a sexually dimorphic manner to meet liver metabolic demands related to sex; thus, GH dysregulation leads to sex-biased hepatic disease. We dissected the steps of the GH regulatory cascade modifying GH-dependent genes involved in metabolism, focusing on the male-predominant genes Lcn13, Asns, and Cyp7b1, and the female-predominant genes Hao2, Pgc1a, Hamp2, Cyp2a4, and Cyp2b9. We explored mRNA expression in 2 settings: (i) intact liver GH receptor (GHR) but altered GH and insulin-like growth factor 1 (IGF1) levels (NeuroDrd2KO, HiGH, aHepIGF1kd, and STAT5bCA mouse lines); and (ii) liver loss of GHR, with or without STAT5b reconstitution (aHepGHRkd, and aHepGHRkd + STAT5bCA). Lcn13 was downregulated in males in most models, while Asns and Cyp7b1 were decreased in males by low GH levels or action, or constant GH levels, but unexpectedly upregulated in both sexes by the loss of liver Igf1 or constitutive Stat5b expression. Hao, Cyp2a4, and Cyp2b9 were generally decreased in female mice with low GH levels or action (NeuroDrd2KO and/or aHepGHRkd mice) and increased in HiGH females, while in contrast, Pgc1a was increased in female NeuroDrd2KO but decreased in STAT5bCA and aHepIGF1kd females. Bioinformatic analysis of RNAseq from aHepGHRkd livers stressed the greater impact of GHR loss on wide gene expression in males and highlighted that GH modifies almost completely different gene signatures in each sex. Concordantly, we show that altering different steps of the GH cascade in the liver modified liver expression of Lcn13, Asns, Cyp7b1, Hao2, Hamp2, Pgc1a, Cyp2a4, and Cyp2b9 in a sex- and gene-specific manner.
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Affiliation(s)
- Belen Brie
- Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 1428 Ciudad de Buenos Aires, Argentina
| | - Andre Sarmento-Cabral
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Florencia Pascual
- Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 1428 Ciudad de Buenos Aires, Argentina
| | - Jose Cordoba-Chacon
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Rhonda Denise Kineman
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Illinois at Chicago, Chicago, IL 60612, USA
- Research and Development Division, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Damasia Becu-Villalobos
- Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 1428 Ciudad de Buenos Aires, Argentina
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11
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LeFort KR, Rungratanawanich W, Song BJ. Contributing roles of mitochondrial dysfunction and hepatocyte apoptosis in liver diseases through oxidative stress, post-translational modifications, inflammation, and intestinal barrier dysfunction. Cell Mol Life Sci 2024; 81:34. [PMID: 38214802 PMCID: PMC10786752 DOI: 10.1007/s00018-023-05061-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 01/13/2024]
Abstract
This review provides an update on recent findings from basic, translational, and clinical studies on the molecular mechanisms of mitochondrial dysfunction and apoptosis of hepatocytes in multiple liver diseases, including but not limited to alcohol-associated liver disease (ALD), metabolic dysfunction-associated steatotic liver disease (MASLD), and drug-induced liver injury (DILI). While the ethanol-inducible cytochrome P450-2E1 (CYP2E1) is mainly responsible for oxidizing binge alcohol via the microsomal ethanol oxidizing system, it is also responsible for metabolizing many xenobiotics, including pollutants, chemicals, drugs, and specific diets abundant in n-6 fatty acids, into toxic metabolites in many organs, including the liver, causing pathological insults through organelles such as mitochondria and endoplasmic reticula. Oxidative imbalances (oxidative stress) in mitochondria promote the covalent modifications of lipids, proteins, and nucleic acids through enzymatic and non-enzymatic mechanisms. Excessive changes stimulate various post-translational modifications (PTMs) of mitochondrial proteins, transcription factors, and histones. Increased PTMs of mitochondrial proteins inactivate many enzymes involved in the reduction of oxidative species, fatty acid metabolism, and mitophagy pathways, leading to mitochondrial dysfunction, energy depletion, and apoptosis. Unique from other organelles, mitochondria control many signaling cascades involved in bioenergetics (fat metabolism), inflammation, and apoptosis/necrosis of hepatocytes. When mitochondrial homeostasis is shifted, these pathways become altered or shut down, likely contributing to the death of hepatocytes with activation of inflammation and hepatic stellate cells, causing liver fibrosis and cirrhosis. This review will encapsulate how mitochondrial dysfunction contributes to hepatocyte apoptosis in several types of liver diseases in order to provide recommendations for targeted therapeutics.
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Affiliation(s)
- Karli R LeFort
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD, 20892, USA.
| | - Wiramon Rungratanawanich
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD, 20892, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD, 20892, USA.
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12
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Syed-Abdul MM. Lipid Metabolism in Metabolic-Associated Steatotic Liver Disease (MASLD). Metabolites 2023; 14:12. [PMID: 38248815 PMCID: PMC10818604 DOI: 10.3390/metabo14010012] [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: 11/23/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/23/2024] Open
Abstract
Metabolic-associated steatotic liver disease (MASLD) is a cluster of pathological conditions primarily developed due to the accumulation of ectopic fat in the hepatocytes. During the severe form of the disease, i.e., metabolic-associated steatohepatitis (MASH), accumulated lipids promote lipotoxicity, resulting in cellular inflammation, oxidative stress, and hepatocellular ballooning. If left untreated, the advanced form of the disease progresses to fibrosis of the tissue, resulting in irreversible hepatic cirrhosis or the development of hepatocellular carcinoma. Although numerous mechanisms have been identified as significant contributors to the development and advancement of MASLD, altered lipid metabolism continues to stand out as a major factor contributing to the disease. This paper briefly discusses the dysregulation in lipid metabolism during various stages of MASLD.
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Affiliation(s)
- Majid Mufaqam Syed-Abdul
- Toronto General Hospital Research Institute, University Health Network, University of Toronto, Toronto, ON M5G 1L7, Canada
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13
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Mifflin R, Park JE, Lee M, Jena PK, Wan YJY, Barton HA, Aghayev M, Kasumov T, Lin L, Wang X, Novak R, Li F, Huang H, Shriver LP, Lee YK. Microbial products linked to steatohepatitis are reduced by deletion of nuclear hormone receptor SHP in mice. J Lipid Res 2023; 64:100469. [PMID: 37922990 PMCID: PMC10698000 DOI: 10.1016/j.jlr.2023.100469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/07/2023] Open
Abstract
Deletion of the nuclear hormone receptor small heterodimer partner (Shp) ameliorates the development of obesity and nonalcoholic steatohepatitis (NASH) in mice. Liver-specific SHP plays a significant role in this amelioration. The gut microbiota has been associated with these metabolic disorders, and the interplay between bile acids (BAs) and gut microbiota contributes to various metabolic disorders. Since hepatic SHP is recognized as a critical regulator in BA synthesis, we assessed the involvement of gut microbiota in the antiobesity and anti-NASH phenotype of Shp-/- mice. Shp deletion significantly altered the levels of a few conjugated BAs. Sequencing the 16S rRNA gene in fecal samples collected from separately housed mice revealed apparent dysbiosis in Shp-/- mice. Cohousing Shp-/- mice with WT mice during a Western diet regimen impaired their metabolic improvement and effectively disrupted their distinctive microbiome structure, which became indistinguishable from that of WT mice. While the Western diet challenge significantly increased lipopolysaccharide and phenylacetic acid (PAA) levels in the blood of WT mice, their levels were not increased in Shp-/- mice. PAA was strongly associated with hepatic peroxisome proliferator-activated receptor gamma isoform 2 (Pparg2) activation in mice, which may represent the basis of the molecular mechanism underlying the association of gut bacteria and hepatic steatosis. Shp deletion reshapes the gut microbiota possibly by altering BAs. While lipopolysaccharide and PAA are the major driving forces derived from gut microbiota for NASH development, Shp deletion decreases these signaling molecules via dysbiosis, thereby partially protecting mice from diet-induced metabolic disorders.
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Affiliation(s)
- Ryan Mifflin
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Jung Eun Park
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Mikang Lee
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Prasant Kumar Jena
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, CA, USA
| | - Yu-Jui Yvonne Wan
- Department of Medical Pathology and Laboratory Medicine, University of California, Davis, Sacramento, CA, USA
| | - Hazel A Barton
- Department of Biology, University of Akron, Akron, OH, USA
| | - Mirjavid Aghayev
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Takhar Kasumov
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Li Lin
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Xinwen Wang
- Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Robert Novak
- Department of Pathology, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Feng Li
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
| | - He Huang
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai, China
| | - Leah P Shriver
- Department of Chemistry & Department of Medicine, Center for Metabolomics and Isotope Tracing, Washington University, St. Louis, MO, USA
| | - Yoon-Kwang Lee
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, USA.
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14
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Boutari C, Kokkorakis M, Stefanakis K, Valenzuela-Vallejo L, Axarloglou E, Volčanšek Š, Chakhtoura M, Mantzoros CS. Recent research advances in metabolism, clinical and experimental. Metabolism 2023; 149:155722. [PMID: 37931873 DOI: 10.1016/j.metabol.2023.155722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Affiliation(s)
- Chrysoula Boutari
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America
| | - Michail Kokkorakis
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America
| | - Konstantinos Stefanakis
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America
| | - Laura Valenzuela-Vallejo
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America
| | - Evangelos Axarloglou
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America
| | - Špela Volčanšek
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Center Ljubljana, Zaloska 7, 1000 Ljubljana, Slovenia; Medical Faculty Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Marlene Chakhtoura
- Department of Internal Medicine, Division of Endocrinology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Christos S Mantzoros
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America; Department of Medicine, Boston VA Healthcare System, Boston, MA 02130, United States of America.
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15
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Catinis AM, Hinojosa AJ, Leonardi C, Cook MW. Hepatic Vagotomy in Patients With Obesity Leads to Improvement of the Cholesterol to High-Density Lipoprotein Ratio. Obes Surg 2023; 33:3740-3745. [PMID: 37924466 DOI: 10.1007/s11695-023-06800-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/13/2023] [Accepted: 08/18/2023] [Indexed: 11/06/2023]
Abstract
INTRODUCTION/PURPOSE The obesity epidemic is rapidly growing, and visceral adiposity is associated with metabolic consequences secondary to peroxisome proliferator-activated receptor (PPAR)-induced inter-organ signaling pathways. PPARs are ligand-activated transcription factors that modulate vagal pathways which can improve blood pressure, arterial remodeling, cholesterol levels, and insulin sensitivity. However, an obesity-induced inflammatory milieu can interfere with the beneficial effects of PPAR activity, suggesting that a dysregulated PPAR-vagus pathway may play a role in the pathogenesis of obesity-related hypertension. Therefore, we hypothesized that hepatic vagotomy (HV) in patients with obesity would result in a significant reduction in blood pressure and/or the number of hypertension medications compared to control. METHODS We conducted a retrospective chart review of 160 patients undergoing laparoscopic sleeve gastrectomy. Patients were divided into HV and control groups, and information was collected at each clinic visit. RESULTS At six-months post-operation, the HV group was found to have significantly lower total cholesterol (TC)/high-density lipoprotein (HDL) ratios than the control group. The HV group also had a numerically better blood profile for TC, HDL, low-density lipoprotein (LDL), triglycerides, C-reactive protein, and LDL/HDL ratio. Hypertensive patients in the HV group showed numerically lower hypertension medication counts after six weeks when compared to control. CONCLUSION We present the first study to report clinically significant changes related to HV in human subjects. Our results did not support our initial hypothesis but did demonstrate an improvement of the TC/HDL ratio with HV in patients with obesity. Future studies should confirm these findings in a randomized control trial.
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Affiliation(s)
- Anna M Catinis
- LSUHSC School of Medicine, 433 Bolivar St, New Orleans, LA, 70112, USA
| | - Ashlin J Hinojosa
- LSUHSC School of Medicine, 433 Bolivar St, New Orleans, LA, 70112, USA
| | - Claudia Leonardi
- LSUHSC School of Public Health, 2020 Gravier St, New Orleans, LA, 70112, USA
| | - Michael W Cook
- LSU Department of Surgery, School of Medicine, 433 Bolivar St, New Orleans, LA, 70112, USA.
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16
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Lin J, Moradi E, Salenius K, Lehtipuro S, Häkkinen T, Laiho JE, Oikarinen S, Randelin S, Parikh HM, Krischer JP, Toppari J, Lernmark Å, Petrosino JF, Ajami NJ, She JX, Hagopian WA, Rewers MJ, Lloyd RE, Rautajoki KJ, Hyöty H, Nykter M. Distinct transcriptomic profiles in children prior to the appearance of type 1 diabetes-linked islet autoantibodies and following enterovirus infection. Nat Commun 2023; 14:7630. [PMID: 37993433 PMCID: PMC10665402 DOI: 10.1038/s41467-023-42763-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 10/17/2023] [Indexed: 11/24/2023] Open
Abstract
Although the genetic basis and pathogenesis of type 1 diabetes have been studied extensively, how host responses to environmental factors might contribute to autoantibody development remains largely unknown. Here, we use longitudinal blood transcriptome sequencing data to characterize host responses in children within 12 months prior to the appearance of type 1 diabetes-linked islet autoantibodies, as well as matched control children. We report that children who present with insulin-specific autoantibodies first have distinct transcriptional profiles from those who develop GADA autoantibodies first. In particular, gene dosage-driven expression of GSTM1 is associated with GADA autoantibody positivity. Moreover, compared with controls, we observe increased monocyte and decreased B cell proportions 9-12 months prior to autoantibody positivity, especially in children who developed antibodies against insulin first. Lastly, we show that control children present transcriptional signatures consistent with robust immune responses to enterovirus infection, whereas children who later developed islet autoimmunity do not. These findings highlight distinct immune-related transcriptomic differences between case and control children prior to case progression to islet autoimmunity and uncover deficient antiviral response in children who later develop islet autoimmunity.
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Grants
- U01 DK063821 NIDDK NIH HHS
- UC4 DK063863 NIDDK NIH HHS
- UL1 TR002535 NCATS NIH HHS
- U01 DK128847 NIDDK NIH HHS
- U01 DK063790 NIDDK NIH HHS
- UL1 TR000064 NCATS NIH HHS
- HHSN267200700014C NLM NIH HHS
- U01 DK063836 NIDDK NIH HHS
- U01 DK063829 NIDDK NIH HHS
- U01 DK063865 NIDDK NIH HHS
- UC4 DK095300 NIDDK NIH HHS
- UC4 DK063861 NIDDK NIH HHS
- UC4 DK063829 NIDDK NIH HHS
- UC4 DK063821 NIDDK NIH HHS
- UC4 DK117483 NIDDK NIH HHS
- UC4 DK063836 NIDDK NIH HHS
- UC4 DK112243 NIDDK NIH HHS
- U01 DK124166 NIDDK NIH HHS
- U01 DK063861 NIDDK NIH HHS
- UC4 DK063865 NIDDK NIH HHS
- U01 DK063863 NIDDK NIH HHS
- UC4 DK106955 NIDDK NIH HHS
- UC4 DK100238 NIDDK NIH HHS
- Academy of Finland (Suomen Akatemia)
- Sigrid Juséliuksen Säätiö (Sigrid Jusélius Foundation)
- U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (National Institute of Diabetes & Digestive & Kidney Diseases)
- EC | Horizon 2020 Framework Programme (EU Framework Programme for Research and Innovation H2020)
- The TEDDY Study is funded by U01 DK63829, U01 DK63861, U01 DK63821, U01 DK63865, U01 DK63863, U01 DK63836, U01 DK63790, UC4 DK63829, UC4 DK63861, UC4 DK63821, UC4 DK63865, UC4 DK63863, UC4 DK63836, UC4 DK95300, UC4 DK100238, UC4 DK106955, UC4 DK112243, UC4 DK117483, U01 DK124166, U01 DK128847, and Contract No. HHSN267200700014C from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institute of Allergy and Infectious Diseases (NIAID), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institute of Environmental Health Sciences (NIEHS), Centers for Disease Control and Prevention (CDC), and JDRF. This work is supported in part by the NIH/NCATS Clinical and Translational Science Awards to the University of Florida (UL1 TR000064) and the University of Colorado (UL1 TR002535).
- Päivikki and Sakari Sohlberg's Foundation
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Affiliation(s)
- Jake Lin
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
- Biostatistics, Health Sciences, Faculty of Social Sciences, Tampere University, Tampere, Finland
- Finnish Institute of Molecular Medicine, FIMM, University of Helsinki, 00290, Helsinki, Finland
- Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden
| | - Elaheh Moradi
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, 70150, Finland
| | - Karoliina Salenius
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
| | - Suvi Lehtipuro
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
| | - Tomi Häkkinen
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
| | - Jutta E Laiho
- Department of Virology, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Sami Oikarinen
- Department of Virology, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Sofia Randelin
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland
| | - Hemang M Parikh
- Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Jeffrey P Krischer
- Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Jorma Toppari
- Research Centre for Integrative Physiology and Pharmacology, Institute of Biomedicine, and Centre for Population Health Research, University of Turku, Turku, Finland
- Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Åke Lernmark
- Department of Clinical Sciences, Lund University CRC, Skåne University Hospital, Malmö, Sweden
| | - Joseph F Petrosino
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA
| | - Nadim J Ajami
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA
- Platform for Innovative Microbiome & Translational Research (PRIME-TR), Moon Shots™ Program, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jin-Xiong She
- Jinfiniti Precision Medicine, Inc., Augusta, GA, USA
| | - William A Hagopian
- Pacific Northwest Research Institute, Seattle, WA, USA
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Marian J Rewers
- Barbara Davis Center for Childhood Diabetes, University of Colorado, Aurora, CO, USA
| | - Richard E Lloyd
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA
| | - Kirsi J Rautajoki
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland.
| | - Heikki Hyöty
- Department of Virology, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
- Fimlab Laboratories, Tampere, Finland.
| | - Matti Nykter
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Centre, Tampere, Finland.
- Foundation for the Finnish Cancer Institute, Helsinki, Finland.
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17
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Gîlcă-Blanariu GE, Budur DS, Mitrică DE, Gologan E, Timofte O, Bălan GG, Olteanu VA, Ștefănescu G. Advances in Noninvasive Biomarkers for Nonalcoholic Fatty Liver Disease. Metabolites 2023; 13:1115. [PMID: 37999211 PMCID: PMC10672868 DOI: 10.3390/metabo13111115] [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: 09/14/2023] [Revised: 10/15/2023] [Accepted: 10/24/2023] [Indexed: 11/25/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) currently represents one of the most common liver diseases worldwide. Early diagnosis and disease staging is crucial, since it is mainly asymptomatic, but can progress to nonalcoholic steatohepatitis (NASH) or cirrhosis or even lead to the development of hepatocellular carcinoma. Over time, efforts have been put into developing noninvasive diagnostic and staging methods in order to replace the use of a liver biopsy. The noninvasive methods used include imaging techniques that measure liver stiffness and biological markers, with a focus on serum biomarkers. Due to the impressive complexity of the NAFLD's pathophysiology, biomarkers are able to assay different processes involved, such as apoptosis, fibrogenesis, and inflammation, or even address the genetic background and "omics" technologies. This article reviews not only the currently validated noninvasive methods to investigate NAFLD but also the promising results regarding recently discovered biomarkers, including biomarker panels and the combination of the currently validated evaluation methods and serum markers.
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Affiliation(s)
- Georgiana-Emmanuela Gîlcă-Blanariu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Daniela Simona Budur
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
| | - Dana Elena Mitrică
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Elena Gologan
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
| | - Oana Timofte
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Gheorghe Gh Bălan
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Vasile Andrei Olteanu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
| | - Gabriela Ștefănescu
- Gastroenterology Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iași, Romania; (G.-E.G.-B.); (D.E.M.); (E.G.); (O.T.); (G.G.B.); (V.A.O.)
- Department of Gastroenterology, “Sf Spiridon” County Clinical Emergency Hospital, 100115 Iași, Romania
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18
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Bae J, Lee BW. Association between Impaired Ketogenesis and Metabolic-Associated Fatty Liver Disease. Biomolecules 2023; 13:1506. [PMID: 37892188 PMCID: PMC10604525 DOI: 10.3390/biom13101506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/26/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
Metabolic (dysfunction) associated fatty liver disease (MAFLD) is generally developed with excessive accumulation of lipids in the liver. Ketogenesis is an efficient pathway for the disposal of fatty acids in the liver and its metabolic benefits have been reported. In this review, we examined previous studies on the association between ketogenesis and MAFLD and reviewed the candidate mechanisms that can explain this association.
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Affiliation(s)
- Jaehyun Bae
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon 22711, Republic of Korea
| | - Byung-Wan Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
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19
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Fan Z, Sun X, Chen X, Liu H, Miao X, Guo Y, Xu Y, Li J, Zou X, Li Z. C-C motif chemokine CCL11 is a novel regulator and a potential therapeutic target in non-alcoholic fatty liver disease. JHEP Rep 2023; 5:100805. [PMID: 37555008 PMCID: PMC10404559 DOI: 10.1016/j.jhepr.2023.100805] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND & AIMS Non-alcoholic fatty liver disease (NAFLD) is characterised by accelerated lipid deposition, aberrant inflammation, and excessive extracellular matrix production in the liver. Short of effective intervention, NAFLD can progress to cirrhosis and hepatocellular carcinoma. In the present study we investigated the involvement of the C-C motif ligand 11 (CCL11) in NAFLD pathogenesis. METHODS NAFLD was induced by feeding mice with a high-fat high-carbohydrate diet. CCL11 targeting was achieved by genetic deletion or pharmaceutical inhibition. The transcriptome was analysed using RNA-seq. RESULTS We report that CCL11 expression was activated at the transcription level by free fatty acids (palmitate) in hepatocytes. CCL11 knockdown attenuated whereas CCL11 treatment directly promoted production of pro-inflammatory/pro-lipogenic mediators in hepatocytes. Compared with wild-type littermates, CCL11 knockout mice displayed an ameliorated phenotype of NAFLD when fed a high-fat high-carbohydrate diet as evidenced by decelerated body weight gain, improved insulin sensitivity, dampened lipid accumulation, reduced immune cell infiltration, and weakened liver fibrosis. RNA-seq revealed that interferon regulatory factor 1 as a mediator of CCL11 induced changes in hepatocytes. Importantly, CCL11 neutralisation or antagonism mitigated NAFLD pathogenesis in mice. Finally, a positive correlation between CCL11 expression and NAFLD parameters was identified in human patients. CONCLUSIONS Our data suggest that CCL11 is a novel regulator of NAFLD and can be effectively targeted for NAFLD intervention. IMPACT AND IMPLICATIONS Non-alcoholic fatty liver disease (NAFLD) precedes cirrhosis and hepatocellular carcinoma. In this paper we describe the regulatory role of CCL11, a C-C motif ligand chemokine, in NAFLD pathogenesis. Our data provide novel insights and translational potential for NAFLD intervention.
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Affiliation(s)
- Zhiwen Fan
- Department of Pathology, Nanjing Drum Tower Hospital Affiliated with Nanjing University School of Medicine, Nanjing, China
| | - Xinyue Sun
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Xuelian Chen
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Huimin Liu
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Xiulian Miao
- College of Life Sciences and Institute of Biomedical Research, Liaocheng University, Liaocheng, China
| | - Yan Guo
- College of Life Sciences and Institute of Biomedical Research, Liaocheng University, Liaocheng, China
| | - Yong Xu
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
- College of Life Sciences and Institute of Biomedical Research, Liaocheng University, Liaocheng, China
| | - Jie Li
- Department of Infectious Diseases, Nanjing Drum Tower Hospital Affiliated with Nanjing University Medical School, Nanjing, China
- Institute of Viruses and Infectious Diseases, Nanjing University, Nanjing, China
| | - Xiaoping Zou
- Department of Gastroenterology, Taikang Xianlin Drum Tower Hospital Affiliated with Nanjing University Medical School, Nanjing, China
- Department of Gastroenterology, Nanjing Drum Tower Hospital Affiliated with Nanjing University School of Medicine, Nanjing, China
| | - Zilong Li
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
- College of Life Sciences and Institute of Biomedical Research, Liaocheng University, Liaocheng, China
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20
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Kweon SM, Irimia-Dominguez J, Kim G, Fueger PT, Asahina K, Lai KK, Allende DS, Lai QR, Lou CH, Tsark WM, Yang JD, Ng DS, Lee JS, Tso P, Huang W, Lai KKY. Heterozygous midnolin knockout attenuates severity of nonalcoholic fatty liver disease in mice fed a Western-style diet high in fat, cholesterol, and fructose. Am J Physiol Gastrointest Liver Physiol 2023; 325:G147-G157. [PMID: 37129245 PMCID: PMC10393367 DOI: 10.1152/ajpgi.00011.2023] [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: 01/25/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/03/2023]
Abstract
Although midnolin has been studied for over 20 years, its biological roles in vivo remain largely unknown, especially due to the lack of a functional animal model. Indeed, given our recent discovery that the knockdown of midnolin suppresses liver cancer cell tumorigenicity and that this antitumorigenic effect is associated with modulation of lipid metabolism, we hypothesized that knockout of midnolin in vivo could potentially protect from nonalcoholic fatty liver disease (NAFLD) which has become the most common cause of chronic liver disease in the Western world. Accordingly, in the present study, we have developed and now report on the first functional global midnolin knockout mouse model. Although the overwhelming majority of global homozygous midnolin knockout mice demonstrated embryonic lethality, heterozygous knockout mice were observed to be similar to wild-type mice in their viability and were used to determine the effect of reduced midnolin expression on NAFLD. We found that global heterozygous midnolin knockout attenuated the severity of NAFLD in mice fed a Western-style diet, high in fat, cholesterol, and fructose, and this attenuation in disease was associated with significantly reduced levels of large lipid droplets, hepatic free cholesterol, and serum LDL, with significantly differential gene expression involved in cholesterol/lipid metabolism. Collectively, our results support a role for midnolin in regulating cholesterol/lipid metabolism in the liver. Thus, midnolin may represent a novel therapeutic target for NAFLD. Finally, our observation that midnolin was essential for survival underscores the broad importance of this gene beyond its role in liver biology.NEW & NOTEWORTHY We have developed and now report on the first functional global midnolin knockout mouse model. We found that global heterozygous midnolin knockout attenuated the severity of nonalcoholic fatty liver disease (NAFLD) in mice fed a Western-style diet, high in fat, cholesterol, and fructose, and this attenuation in disease was associated with significantly reduced levels of large lipid droplets, hepatic free cholesterol, and serum LDL, with significantly differential gene expression involved in cholesterol/lipid metabolism.
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Affiliation(s)
- Soo-Mi Kweon
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Jose Irimia-Dominguez
- Department of Molecular and Cellular Endocrinology and Comprehensive Metabolic Phenotyping Core, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Gayeoun Kim
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Patrick T Fueger
- Department of Molecular and Cellular Endocrinology and Comprehensive Metabolic Phenotyping Core, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, United States
- City of Hope Comprehensive Cancer Center, Duarte, California, United States
| | - Kinji Asahina
- Central Research Laboratory, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Japan
| | - Keith K Lai
- Department of Pathology, Cleveland Clinic, Cleveland, Ohio, United States
- Contra Costa Pathology Associates, Pleasant Hill, California, United States
| | - Daniela S Allende
- Department of Pathology, Cleveland Clinic, Cleveland, Ohio, United States
| | - Quincy R Lai
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Chih-Hong Lou
- Gene Editing and Viral Vector Core, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Walter M Tsark
- Transgenic/Knockout Mouse Program, Center for Comparative Medicine, Beckman Research Institute of City of Hope, Duarte, California, United States
| | - Ju Dong Yang
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, California, United States
- Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, California, United States
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, California, United States
| | - Dominic S Ng
- Departments of Medicine, Physiology, and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Ju-Seog Lee
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States
| | - Patrick Tso
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute of City of Hope, Duarte, California, United States
- City of Hope Comprehensive Cancer Center, Duarte, California, United States
| | - Keane K Y Lai
- Department of Cancer Biology and Molecular Medicine, Beckman Research Institute of City of Hope, Duarte, California, United States
- City of Hope Comprehensive Cancer Center, Duarte, California, United States
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21
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Walls KM, Hong KU, Hein DW. Heterocyclic amines reduce insulin-induced AKT phosphorylation and induce gluconeogenic gene expression in human hepatocytes. Arch Toxicol 2023; 97:1613-1626. [PMID: 37005939 PMCID: PMC10192068 DOI: 10.1007/s00204-023-03488-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 03/21/2023] [Indexed: 04/04/2023]
Abstract
Heterocyclic amines (HCAs) are well-known for their mutagenic properties. One of the major routes of human exposure is through consumption of cooked meat, as certain cooking methods favor formation of HCAs. Recent epidemiological studies reported significant associations between dietary HCA exposure and insulin resistance and type II diabetes. However, no previous studies have examined if HCAs, independent of meat consumption, contributes to pathogenesis of insulin resistance or metabolic disease. In the present study, we have assessed the effect of three HCAs commonly found in cooked meat (2-amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline [MeIQ], 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline [MeIQx], and 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine [PhIP]) on insulin signaling and glucose production. HepG2 or cryopreserved human hepatocytes were treated with 0-50 μM of MeIQ, MeIQx, or PhIP for 3 days. Treatment of HepG2 cells and hepatocytes with MeIQ and MeIQx resulted in a significant reduction in insulin-induced AKT phosphorylation, suggesting that HCA exposure decreases hepatic insulin signaling. HCA treatment also led to significant increases in expression of gluconeogenic genes, G6PC and PCK1, in both HepG2 and cryopreserved human hepatocytes. Additionally, the level of phosphorylated FOXO1, a transcriptional regulator of gluconeogenesis, was significantly reduced by HCA treatment in hepatocytes. Importantly, HCA treatment of human hepatocytes led to increases in extracellular glucose level in the presence of gluconeogenic substrates, suggesting that HCAs induce hepatic glucose production. The current findings suggest that HCAs induce insulin resistance and promote hepatic glucose production in human hepatocytes. This implicates that exposure to HCAs may lead to the development of type II diabetes or metabolic syndrome.
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Affiliation(s)
- Kennedy M. Walls
- Department of Pharmacology & Toxicology and Brown Cancer Center,
University of Louisville School of Medicine, Louisville, KY. U.S.A
| | - Kyung U. Hong
- Department of Pharmacology & Toxicology and Brown Cancer Center,
University of Louisville School of Medicine, Louisville, KY. U.S.A
| | - David W. Hein
- Department of Pharmacology & Toxicology and Brown Cancer Center,
University of Louisville School of Medicine, Louisville, KY. U.S.A
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22
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Schmalz F, Fischer J, Innes H, Buch S, Möller C, Matz-Soja M, von Schönfels W, Krämer B, Langhans B, Klüners A, Soyka M, Stickel F, Nattermann J, Strassburg CP, Berg T, Lutz P, Nischalke HD. High producer variant of lipoprotein lipase may protect from hepatocellular carcinoma in alcohol-associated cirrhosis. JHEP Rep 2023; 5:100684. [PMID: 36879887 PMCID: PMC9985032 DOI: 10.1016/j.jhepr.2023.100684] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 01/11/2023] [Accepted: 01/14/2023] [Indexed: 01/26/2023] Open
Abstract
Background & Aims Progression of alcohol-associated liver disease (ALD) is driven by genetic predisposition. The rs13702 variant in the lipoprotein lipase (LPL) gene is linked to non-alcoholic fatty liver disease. We aimed at clarifying its role in ALD. Methods Patients with alcohol-associated cirrhosis, with (n = 385) and without hepatocellular carcinoma (HCC) (n = 656), with HCC attributable to viral hepatitis C (n = 280), controls with alcohol abuse without liver damage (n = 366), and healthy controls (n = 277) were genotyped regarding the LPL rs13702 polymorphism. Furthermore, the UK Biobank cohort was analysed. LPL expression was investigated in human liver specimens and in liver cell lines. Results Frequency of the LPL rs13702 CC genotype was lower in ALD with HCC in comparison to ALD without HCC both in the initial (3.9% vs. 9.3%) and the validation cohort (4.7% vs. 9.5%; p <0.05 each) and compared with patients with viral HCC (11.4%), alcohol misuse without cirrhosis (8.7%), or healthy controls (9.0%). This protective effect (odds ratio [OR] = 0.5) was confirmed in multivariate analysis including age (OR = 1.1/year), male sex (OR = 3.0), diabetes (OR = 1.8), and carriage of the PNPLA3 I148M risk variant (OR = 2.0). In the UK Biobank cohort, the LPL rs13702 C allele was replicated as a risk factor for HCC. Liver expression of LPL mRNA was dependent on LPL rs13702 genotype and significantly higher in patients with ALD cirrhosis compared with controls and alcohol-associated HCC. Although hepatocyte cell lines showed negligible LPL protein expression, hepatic stellate cells and liver sinusoidal endothelial cells expressed LPL. Conclusions LPL is upregulated in the liver of patients with alcohol-associated cirrhosis. The LPL rs13702 high producer variant confers protection against HCC in ALD, which might help to stratify people for HCC risk. Impact and implications Hepatocellular carcinoma is a severe complication of liver cirrhosis influenced by genetic predisposition. We found that a genetic variant in the gene encoding lipoprotein lipase reduces the risk for hepatocellular carcinoma in alcohol-associated cirrhosis. This genetic variation may directly affect the liver, because, unlike in healthy adult liver, lipoprotein lipase is produced from liver cells in alcohol-associated cirrhosis.
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Key Words
- ALD, alcohol-associated liver disease
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- Alcohol-associated liver disease
- BCLC, Barcelona Clinic Liver Cancer
- BSA, bovine serum albumin
- Cirrhosis
- FCS, foetal calf serum
- FIB-4, fibrosis 4
- GADPH, glyceraldehyde 3-phosphate dehydrogenase
- GGT, gamma-glutamyl transferase
- HCC
- HCC, hepatocellular carcinoma
- HSCs, hepatic stellate cells
- HbA1c, glycated haemoglobin
- LPL
- LPL, lipoprotein lipase
- LSECs, liver sinusoidal endothelial cells
- MAF, minor allele frequency
- NAFLD, non-alcoholic fatty liver disease
- NASH, non-alcoholic steatohepatitis
- OR, odds ratio
- PNPLA3, patatin-like phospholipase domain-containing protein 3
- T2DM, type 2 diabetes mellitus
- UKB, UK Biobank
- rs13702
- rs328
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Affiliation(s)
- Franziska Schmalz
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | - Janett Fischer
- Division of Hepatology, Department of Medicine II, Leipzig University Medical Center, Leipzig, Germany
| | - Hamish Innes
- School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
| | - Stephan Buch
- Medical Department 1, University Hospital Dresden, Technische Universität Dresden, Dresden, Germany
| | - Christine Möller
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | - Madlen Matz-Soja
- Division of Hepatology, Department of Medicine II, Leipzig University Medical Center, Leipzig, Germany
| | - Witigo von Schönfels
- Department of General, Visceral-, Thoracic-, Transplantation- and Pediatric Surgery, University Medical Center Schleswig-Holstein (UKSH), Campus Kiel, and Christian-Albrecht University (CAU), Kiel, Germany
| | - Benjamin Krämer
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | - Bettina Langhans
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | - Alexandra Klüners
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | - Michael Soyka
- Psychiatric Hospital, Ludwig Maximilians University, Munich, Germany
| | - Felix Stickel
- Department of Gastroenterology and Hepatology, University Hospital of Zürich, Switzerland
| | - Jacob Nattermann
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
| | | | - Thomas Berg
- Division of Hepatology, Department of Medicine II, Leipzig University Medical Center, Leipzig, Germany
| | - Philipp Lutz
- Department of Internal Medicine I, University Hospital, University of Bonn, Germany
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Risk Factors of Non-alcoholic Fatty Liver Disease in the Iranian Adult Population: A Systematic Review and Meta-analysis. HEPATITIS MONTHLY 2023. [DOI: 10.5812/hepatmon-131523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Context: Non-alcoholic fatty liver disease (NAFLD) is progressing considerably worldwide. Identifying the risk factors of NAFLD is a critical step in preventing its progression. Methods: In November 2022, two independent researchers studied seven databases, including PubMed, ISI/WoS, ProQuest, Scopus, SID, Magiran, and Google Scholar, and reference list of relevant articles, searching studies that assessed NAFLD risk factors in the Iranian adult population. Heterogeneity between studies was assessed by Cochran’s test and its composition using I2 statistics. A random-effects model was used when heterogeneity was observed; otherwise, a fixed-effects model was applied. Egger’s regression test and Trim-and-Fill analysis were used to assess publication bias. Comprehensive Meta-analysis software (version 3) was used for the analyses of the present study. Results: The results of this study showed significant associations between NAFLD with age [n = 15, odds ratio (OR) = 2.12, 95% CI: 1.79 - 2.51], body mass index (n = 46, OR = 5.00, 95% CI: 3.34 - 7.49), waist circumference (n = 20, OR = 6.37, 95% CI: 3.25 - 12.48), waist-to-hip ratio (n = 17, OR = 4.72, 95% CI: 3.93 - 5.66), total cholesterol (n = 39, OR = 1.80, 95% CI: 1.52 - 2.13), high-density lipoprotein (n = 37, OR = 0.53, 95% CI: 0.44 - 0.65), low-density lipoprotein (n = 31, OR = 1.68, 95% CI: 1.38 - 2.05), triglyceride (n = 31, OR = 3.21, 95% CI: 2.67 - 3.87), alanine aminotransferase (n = 26, OR = 4.06, 95% CI: 2.94 - 5.62), aspartate aminotransferase (n = 27, OR = 2.16, 95% CI: 1.50 - 3.12), hypertension (n = 13, OR = 2.53, 95% CI: 2.32 - 2.77), systolic blood pressure (n = 13, OR = 1.83, 95% CI: 1.53 - 2.18), diastolic blood pressure (n = 14, OR = 1.80, 95% CI: 1.48 - 2.20), fasting blood sugar (n = 31,OR = 2.91, 95% CI: 2.11- 4.01), homeostatic model assessment for insulin resistance (n = 5, OR = 1.92, 95% CI: 1.48 - 2.59), diabetes mellitus (n = 15, OR = 3.04, 95% CI: 2.46 - 3.75), metabolic syndrome (n = 10, OR = 3.56, 95% CI: 2.79 - 4.55), and physical activity (n = 11, OR = 0.32, 95% CI: 0.24 - 0.43) (P < 0.05). Conclusions: In conclusion, several factors are significantly associated with NAFLD. However, anthropometric indices had the strongest relationship with NAFLD in the Iranian adult population.
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Sharpe MC, Pyles KD, Hallcox T, Kamm DR, Piechowski M, Fisk B, Albert CJ, Carpenter DH, Ulmasov B, Ford DA, Neuschwander-Tetri BA, McCommis KS. Enhancing Hepatic MBOAT7 Expression in Mice With Nonalcoholic Steatohepatitis. GASTRO HEP ADVANCES 2023; 2:558-572. [PMID: 37293574 PMCID: PMC10249591 DOI: 10.1016/j.gastha.2023.02.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND AND AIMS Polymorphisms near the membrane bound O-acyltransferase domain containing 7 (MBOAT7) genes are associated with worsened nonalcoholic fatty liver (NASH), and nonalcoholic fatty liver disease (NAFLD)/NASH may decrease MBOAT7 expression independent of these polymorphisms. We hypothesized that enhancing MBOAT7 function would improve NASH. METHODS Genomic and lipidomic databases were mined for MBOAT7 expression and hepatic phosphatidylinositol (PI) abundance in human NAFLD/NASH. Male C57BL6/J mice were fed either choline-deficient high-fat diet or Gubra Amylin NASH diet and subsequently infected with adeno-associated virus expressing MBOAT7 or control virus. NASH histological scoring and lipidomic analyses were performed to assess MBOAT7 activity, hepatic PI, and lysophosphatidylinositol (LPI) abundance. RESULTS Human NAFLD/NASH decreases MBOAT7 expression and hepatic abundance of arachidonate-containing PI. Murine NASH models display subtle changes in MBOAT7 expression, but significantly decreased activity. After MBOAT7 overexpression, liver weights, triglycerides, and plasma alanine and aspartate transaminase were modestly improved by MBOAT7 overexpression, but NASH histology was not improved. Despite confirmation of increased activity with MBOAT7 overexpression, content of the main arachidonoylated PI species was not rescued by MBOAT7 although the abundance of many PI species was increased. Free arachidonic acid was elevated but the MBOAT7 substrate arachidonoyl-CoA was decreased in NASH livers compared to low-fat controls, likely due to the decreased expression of long-chain acyl-CoA synthetases. CONCLUSION Results suggest decreased MBOAT7 activity plays a role in NASH, but MBOAT7 overexpression fails to measurably improve NASH pathology potentially due to the insufficient abundance of its arachidonoyl-CoA substrate.
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Affiliation(s)
- Martin C. Sharpe
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Kelly D. Pyles
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Taylor Hallcox
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Dakota R. Kamm
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Michaela Piechowski
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Bryan Fisk
- McDonnell Genome Institute, Washington University School of Medicine, St. Louis, Missouri
| | - Carolyn J. Albert
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | | | - Barbara Ulmasov
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri
| | - David A. Ford
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Brent A. Neuschwander-Tetri
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Kyle S. McCommis
- Biochemistry & Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri
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25
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Harrison SA, Thang C, Bolze S, Dewitt S, Hallakou-Bozec S, Dubourg J, Bedossa P, Cusi K, Ratziu V, Grouin JM, Moller DE, Fouqueray P. Evaluation of PXL065 - deuterium-stabilized (R)-pioglitazone in patients with NASH: A phase II randomized placebo-controlled trial (DESTINY-1). J Hepatol 2023; 78:914-925. [PMID: 36804402 DOI: 10.1016/j.jhep.2023.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 02/23/2023]
Abstract
BACKGROUND & AIMS Pioglitazone (Pio) is efficacious in NASH, but its utility is limited by PPARγ-driven side effects. Pio is a mixture of two enantiomers (R, S). PXL065, deuterium-stabilized R-Pio, lacks PPARγ activity but retains non-genomic activity. We tested the hypothesis that PXL065 would have similar efficacy but a better safety profile than Pio in patients with NASH. METHODS Patients (≥8% liver fat, NAFLD activity score [NAS] ≥4, F1-F3) received daily doses of PXL065 (7.5, 15, 22.5 mg) or placebo 1:1:1:1 for 36 weeks. The primary endpoint was relative % change in liver fat content (LFC) on MRI-proton density fat fraction; liver histology, non-invasive tests, safety-tolerability, and pharmacokinetics were also assessed. RESULTS One hundred and seventeen patients were evaluated. All PXL065 groups met the primary endpoint (-21 to (-25% LFC, p = 0.008-0.02 vs. placebo); 40% (22.5 mg) achieved a ≥30% LFC reduction. Favorable trends in non-invasive tests including reductions in PIIINP (p = 0.02, 22.5 mg) and NAFLD fibrosis score (p = 0.04, 22.5 mg) were observed. On histology (n = 92), a ≥1 stage fibrosis improvement occurred in 40% (7.5 mg), 50% (15 mg, p = 0.06), and 35% (22.5 mg) vs. 17% for placebo; up to 50% of PXL065-treated patients achieved a ≥2 point NAS improvement without fibrosis worsening vs. 30% with placebo. Metabolic improvements included: HbA1c (-0.41% p = 0.003) and insulin sensitivity (HOMA-IR, p = 0.04; Adipo-IR, p = 0.002). Adiponectin increased (+114%, 22.5 mg, p <0.0001) vs. placebo. There was no dose-dependent effect on body weight or PXL065-related peripheral oedema signal. Overall, PXL065 was safe and well tolerated. Pharmacokinetics confirmed dose-proportional and higher steady state R- vs. S-Pio exposure. IMPACT AND IMPLICATIONS Pioglitazone (Pio) is an approved diabetes medicine with proven efficacy in non-alcoholic steatohepatitis (NASH); PXL065 is a novel related oral agent which has been shown to retain Pio's efficacy in preclinical NASH models, with reduced potential for PPARγ-driven side effects. Results of this phase II study are important as PXL065 improved several key NASH disease features with a favorable safety profile - these findings can be applied by researchers seeking to understand pathophysiology and to develop new therapies. These results also indicate that PXL065 warrants further clinical testing in a pivotal NASH trial. Other implications include the potential future availability of a distinct oral therapy for NASH that may be relevant for patients, providers and caregivers seeking to prevent the progression and complications of this disease. CONCLUSIONS PXL065 is a novel molecule which retains an efficacy profile in NASH similar to Pio with reduced potential for PPARγ-driven side effects. A pivotal clinical trial is warranted to confirm the histological benefits reported herein. IMPACT AND IMPLICATIONS Pioglitazone (Pio) is an approved diabetes medicine with proven efficacy in non-alcoholic steatohepatitis (NASH); PXL065 is a novel related oral agent which has been shown to retain Pio's efficacy in preclinical NASH models, with reduced potential for PPARγ-driven side effects. Results of this phase II study are important as PXL065 improved several key NASH disease features with a favorable safety profile - these findings can be applied by researchers seeking to understand pathophysiology and to develop new therapies. These results also indicate that PXL065 warrants further clinical testing in a pivotal NASH trial. Other implications include the potential future availability of a distinct oral therapy for NASH that may be relevant for patients, providers and caregivers seeking to prevent the progression and complications of this disease.
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Affiliation(s)
| | | | | | | | | | | | | | - Kenneth Cusi
- Division of Endocrinology, Diabetes and Metabolism, University of Florida, Gainesville, FL, USA
| | - Vlad Ratziu
- Sorbonne Université, ICAN, Hospital Pitié-Salpêtrière, INSERM UMRS 1138 CRC, Paris, France
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26
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Kang J, Postigo-Fernandez J, Kim K, Zhu C, Yu J, Meroni M, Mayfield B, Bartolomé A, Dapito DH, Ferrante AW, Dongiovanni P, Valenti L, Creusot RJ, Pajvani UB. Notch-mediated hepatocyte MCP-1 secretion causes liver fibrosis. JCI Insight 2023; 8:e165369. [PMID: 36752206 PMCID: PMC9977430 DOI: 10.1172/jci.insight.165369] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/29/2022] [Indexed: 02/09/2023] Open
Abstract
Patients with nonalcoholic steatohepatitis (NASH) have increased expression of liver monocyte chemoattractant protein-1 (MCP-1), but its cellular source and contribution to various aspects of NASH pathophysiology remain debated. We demonstrated increased liver CCL2 (which encodes MCP-1) expression in patients with NASH, and commensurately, a 100-fold increase in hepatocyte Ccl2 expression in a mouse model of NASH, accompanied by increased liver monocyte-derived macrophage (MoMF) infiltrate and liver fibrosis. To test repercussions of increased hepatocyte-derived MCP-1, we generated hepatocyte-specific Ccl2-knockout mice, which showed reduced liver MoMF infiltrate as well as decreased liver fibrosis. Forced hepatocyte MCP-1 expression provoked the opposite phenotype in chow-fed wild-type mice. Consistent with increased hepatocyte Notch signaling in NASH, we observed a close correlation between markers of Notch activation and CCL2 expression in patients with NASH. We found that an evolutionarily conserved Notch/recombination signal binding protein for immunoglobulin kappa J region binding site in the Ccl2 promoter mediated transactivation of the Ccl2 promoter in NASH diet-fed mice. Increased liver MoMF infiltrate and liver fibrosis seen in opposite gain-of-function mice was ameliorated with concomitant hepatocyte Ccl2 knockout or CCR2 inhibitor treatment. Hepatocyte Notch activation prompts MCP-1-dependent increase in liver MoMF infiltration and fibrosis.
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Affiliation(s)
- Jinku Kang
- Department of Medicine, Naomi Berrie Diabetes Center, and
| | - Jorge Postigo-Fernandez
- Department of Medicine, Naomi Berrie Diabetes Center, and
- Columbia Center for Translational Immunology, Columbia University Irving Medical Center, New York, New York, USA
| | - KyeongJin Kim
- Department of Medicine, Naomi Berrie Diabetes Center, and
- Department of Biomedical Sciences, College of Medicine, Program in Biomedical Science & Engineering, and Research Center for Controlling Intercellular Communication (RCIC), Inha University, Incheon, South Korea
| | - Changyu Zhu
- Department of Medicine, Naomi Berrie Diabetes Center, and
- Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Junjie Yu
- Department of Medicine, Naomi Berrie Diabetes Center, and
| | - Marica Meroni
- General Medicine and Metabolic Diseases, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Brent Mayfield
- Department of Medicine, Naomi Berrie Diabetes Center, and
| | - Alberto Bartolomé
- Department of Medicine, Naomi Berrie Diabetes Center, and
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC/UAM), Madrid, Spain
| | | | | | - Paola Dongiovanni
- General Medicine and Metabolic Diseases, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Luca Valenti
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
- Precision Medicine Lab, Biological Resource Center, Department of Transfusion Medicine and Hematology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan, Milan, Italy
| | - Remi J. Creusot
- Department of Medicine, Naomi Berrie Diabetes Center, and
- Columbia Center for Translational Immunology, Columbia University Irving Medical Center, New York, New York, USA
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Overview of Cellular and Soluble Mediators in Systemic Inflammation Associated with Non-Alcoholic Fatty Liver Disease. Int J Mol Sci 2023; 24:ijms24032313. [PMID: 36768637 PMCID: PMC9916753 DOI: 10.3390/ijms24032313] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 01/26/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is currently the most prevalent chronic liver disease in Western countries, affecting approximately 25% of the adult population. This condition encompasses a spectrum of liver diseases characterized by abnormal accumulation of fat in liver tissue (non-alcoholic fatty liver, NAFL) that can progress to non-alcoholic steatohepatitis (NASH), characterized by the presence of liver inflammation and damage. The latter form often coexists with liver fibrosis which, in turn, may progress to a state of cirrhosis and, potentially, hepatocarcinoma, both irreversible processes that often lead to the patient's death and/or the need for liver transplantation. Along with the high associated economic burden, the high mortality rate among NAFLD patients raises interest, not only in the search for novel therapeutic approaches, but also in early diagnosis and prevention to reduce the incidence of NAFLD-related complications. In this line, an exhaustive characterization of the immune status of patients with NAFLD is mandatory. Herein, we attempted to gather and compare the current and relevant scientific evidence on this matter, mainly on human reports. We addressed the current knowledge related to circulating cellular and soluble mediators, particularly platelets, different leukocyte subsets and relevant inflammatory soluble mediators.
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Wu MN, Zhou DM, Jiang CY, Chen WW, Chen JC, Zou YM, Han T, Zhou LJM. Genetic analysis of potential biomarkers and therapeutic targets in ferroptosis from psoriasis. Front Immunol 2023; 13:1104462. [PMID: 36685512 PMCID: PMC9846571 DOI: 10.3389/fimmu.2022.1104462] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/12/2022] [Indexed: 01/06/2023] Open
Abstract
Introduction Ferroptosis is associated with multiple pathophysiological processes. Inhibition of ferroptosis has received much concern for some diseases. Nonetheless, there is no study comprehensively illustrating functions of ferroptosis-related genes (FRGs) in psoriasis. Methods In this study, FRGs together with psoriasis-associated data were obtained in Ferroptosis Database (FerrDb) and gene expression omnibus (GEO) database separately. This work identified altogether 199 psoriasis-associated DE-FRGs, and they were tightly associated with immunity and autophagy modulation. Thereafter, the present study utilized SVM-RFE and LASSO algorithms to identify NR5A2, CISD1, GCLC, PRKAA2, TRIB2, ABCC5, ACSF2, TIMM9, DCAF7, PEBP1, and MDM2 from those 199 DE-FRGs to be marker genes. As revealed by later functional annotation, the marker genes possibly had important effects on psoriasis through being involved in diverse psoriasis pathogenesis-related pathways such as cell cycle, toll-like receptor (TLR), chemokine, and nod-like receptor (NLR) pathways. Moreover, altogether 37 drugs that targeted 11 marker genes were acquired. Besides, based on CIBERSORT analysis, alterations of immune microenvironment in psoriasis cases were possibly associated with PRKAA2, PEBP1, CISD1, and ACSF2. Discussion Taken together, this work established the diagnostic potency and shed more lights on psoriasis-related mechanism. More investigations are warranted to validate its value in diagnosing psoriasis before it is applied in clinic.
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Handy RM, Holloway GP. Insights into the development of insulin resistance: Unraveling the interaction of physical inactivity, lipid metabolism and mitochondrial biology. Front Physiol 2023; 14:1151389. [PMID: 37153211 PMCID: PMC10157178 DOI: 10.3389/fphys.2023.1151389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 04/07/2023] [Indexed: 05/09/2023] Open
Abstract
While impairments in peripheral tissue insulin signalling have a well-characterized role in the development of insulin resistance and type 2 diabetes (T2D), the specific mechanisms that contribute to these impairments remain debatable. Nonetheless, a prominent hypothesis implicates the presence of a high-lipid environment, resulting in both reactive lipid accumulation and increased mitochondrial reactive oxygen species (ROS) production in the induction of peripheral tissue insulin resistance. While the etiology of insulin resistance in a high lipid environment is rapid and well documented, physical inactivity promotes insulin resistance in the absence of redox stress/lipid-mediated mechanisms, suggesting alternative mechanisms-of-action. One possible mechanism is a reduction in protein synthesis and the resultant decrease in key metabolic proteins, including canonical insulin signaling and mitochondrial proteins. While reductions in mitochondrial content associated with physical inactivity are not required for the induction of insulin resistance, this could predispose individuals to the detrimental effects of a high-lipid environment. Conversely, exercise-training induced mitochondrial biogenesis has been implicated in the protective effects of exercise. Given mitochondrial biology may represent a point of convergence linking impaired insulin sensitivity in both scenarios of chronic overfeeding and physical inactivity, this review aims to describe the interaction between mitochondrial biology, physical (in)activity and lipid metabolism within the context of insulin signalling.
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Krøyer Rasmussen M, Thøgersen R, Horsbøl Lindholm P, Bertram HC, Pilegaard H. Hepatic PGC-1α has minor regulatory effect on the transcriptome and metabolome during high fat high fructose diet and exercise. Gene 2022; 851:147039. [DOI: 10.1016/j.gene.2022.147039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/31/2022] [Accepted: 11/04/2022] [Indexed: 11/10/2022]
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Ni Y, Zhuge F, Ni L, Nagata N, Yamashita T, Mukaida N, Kaneko S, Ota T, Nagashimada M. CX3CL1/CX3CR1 interaction protects against lipotoxicity-induced nonalcoholic steatohepatitis by regulating macrophage migration and M1/M2 status. Metabolism 2022; 136:155272. [PMID: 35914622 DOI: 10.1016/j.metabol.2022.155272] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/12/2022] [Accepted: 07/26/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES Chemokine (C-X3-C motif) ligand 1 (CX3CL1) and its receptor CX3CR1 regulate the migration and activation of immune cells and are involved in the pathogenesis of nonalcoholic steatohepatitis (NASH), but the mechanism remains elusive. Here, the roles of CX3CL1/CX3CR1 in the macrophage migration and polarization in the livers of NASH mice were investigated. METHODS AND RESULTS The expression of Cx3cl1 and Cx3cr1 was markedly upregulated in the livers of lipotoxicity-induced NASH mice. CX3CR1 was predominantly expressed by F4/80+ macrophages and to a lesser degree by hepatic stellate cells or endothelial cells in the livers of NASH mice. Flow cytometry analysis revealed that, compared with chow-fed mice, NASH mice exhibited a significant increase in CX3CR1+ expression by liver macrophages (LMs), particularly M1 LMs. CX3CR1 deficiency caused a significant increase in inflammatory monocyte/macrophage infiltration and a shift toward M1 dominant macrophages in the liver, thereby exacerbating the progression of NASH. Moreover, transplantation of Cx3cr1-/- bone marrow was sufficient to cause glucose intolerance, inflammation, and fibrosis in the liver. In addition, deletion of CCL2 in Cx3cr1-/- mice alleviated NASH progression by decreasing macrophage infiltration and inducing a shift toward M2 dominant LMs. Importantly, overexpression of CX3CL1 in vivo protected against hepatic fibrosis in NASH. CONCLUSION Pharmacological therapy targeting liver CX3CL1/CX3CR1 signaling might be a candidate for the treatment of NASH.
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Affiliation(s)
- Yinhua Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China; Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan.
| | - Fen Zhuge
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan; Institute of Translational Medicine, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang 310015, China
| | - Liyang Ni
- Food Biochemistry Laboratory, Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Naoto Nagata
- Department of Cellular and Molecular Function Analysis, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Tatsuya Yamashita
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan; Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Ishikawa 920-8641, Japan
| | - Naofumi Mukaida
- Division of Molecular Bioregulation, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Shuichi Kaneko
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Tsuguhito Ota
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Mayumi Nagashimada
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan; Division of Health Sciences, Graduate School of Medical Science, Kanazawa University, Ishikawa 920-8640, Japan.
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Wang L, Dong B, Yang T, Zhang A, Hu X, Wang Z, Chang G, Chen G. Dietary linseed oil affects the polyunsaturated fatty acid and transcriptome profiles in the livers and breast muscles of ducks. Front Nutr 2022; 9:1030712. [PMID: 36386908 PMCID: PMC9650093 DOI: 10.3389/fnut.2022.1030712] [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: 08/29/2022] [Accepted: 10/07/2022] [Indexed: 11/23/2022] Open
Abstract
Linseed oil, an important source of dietary α-linolenic acid, is used to provide meat enriched in n-3 PUFA. We investigated the effects of dietary linseed oil (0, 0.5, 1, and 2%) on growth performance, meat quality, tissue fatty acid (FA), and transcriptome profiles in ducks. The result showed that dietary linseed oil had no effect on growth performance. Increasing dietary linseed oil enrichment raised n-3 PUFA and linoleic acid (LA) levels in both the liver and breast muscle, but decreased dihomo-gamma-linolenic acid (DGLA) and arachidonic acid (ARA) levels in the liver. The liver n-3 PUFA content was negatively correlated with duck body weight. Transcriptome analysis showed that dietary linseed oil caused hepatic changes in genes (SCD, FADS1, FADS2, and ACOT6) related to the biosynthesis of unsaturated fatty acids. Besides, dietary linseed oil also affected the expression of genes related to PUFAs and downstream metabolites (such as linoleic acid, steroid hormone, progesterone, etc.) metabolic pathways in both liver and breast muscle. Key genes involved in PUFA synthesis and transport pathways were examined by RT-qPCR, and the results verified that hepatic expression levels of FADS1 and FADS2 decreased, and those of FABP4 and FABP5 increased when 2% linseed oil was added. CD36 expression level increased in breast muscle when 2% linseed oil was added. Thus, 2% dietary linseed oil supplementation produces n-3 PUFA-enriched duck products by regulating the PUFA metabolic pathways, which could be advantageous for health-conscious consumers.
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Song J, Baek IJ, Park S, Oh J, Kim D, Song K, Kim MK, Lee HW, Jang BK, Jin EJ. Deficiency of peroxisomal NUDT7 stimulates de novo lipogenesis in hepatocytes. iScience 2022; 25:105135. [PMID: 36185359 PMCID: PMC9523354 DOI: 10.1016/j.isci.2022.105135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 05/14/2022] [Accepted: 09/09/2022] [Indexed: 12/18/2022] Open
Affiliation(s)
- Jinsoo Song
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
- Integrated Omics Institute, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - In-Jeoung Baek
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Sujeong Park
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - Jinjoo Oh
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - Deokha Kim
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - Kyung Song
- Department of Pharmacy, College of Pharmacy, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
| | - Mi Kyung Kim
- Department of Internal Medicine, School of Medicine, Institute for Medical Science, Keimyung University, Daegu 42601, Korea
| | - Hye Won Lee
- Department of Pathology, Keimyung University School of Medicine, Daegu 42601, Korea
| | - Byoung Kuk Jang
- Department of Internal Medicine, School of Medicine, Institute for Medical Science, Keimyung University, Daegu 42601, Korea
| | - Eun-Jung Jin
- Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
- Integrated Omics Institute, Wonkwang University, Iksan, Jeonbuk 54538, Republic of Korea
- Corresponding author
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Zhang C, Fu Q, Shao K, Liu L, Ma X, Zhang F, Zhang X, Meng L, Yan C, Zhao X. Indole-3-acetic acid improves the hepatic mitochondrial respiration defects by PGC1a up-regulation. Cell Signal 2022; 99:110442. [PMID: 35988807 DOI: 10.1016/j.cellsig.2022.110442] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 08/06/2022] [Accepted: 08/15/2022] [Indexed: 11/26/2022]
Abstract
Recent evidences have linked indole-3-acetic acid (I3A), a gut microbiota-derived metabolite from dietary tryptophan, with the protection against non-alcoholic fatty liver disease (NAFLD). However, the values of I3A on mitochondrial homeostasis in NAFLD have yet to be analyzed. In this study, we verified that I3A alleviated dietary-induced metabolic impairments, particularly glucose dysmetabolism and liver steatosis. Importantly, we expanded the understanding of I3A further to enhance mitochondrial oxidative phosphorylation in the liver by RNA-seq. Consistently, I3A restored the deficiency of mitochondrial respiration complex (MRC) capacity in palmitic acid (PA)-induced HepG2 without initiating oxidative stress in vitro. These changes were dependent on peroxisome proliferator-activated receptor γ coactivator 1 (PGC1)-a, a key regulator of mitochondrial biogenesis. Silencing of PGC1a by siRNA and pharmacologic inhibitor SR-18292, blocked the restoration of I3A on mitochondrial oxidative phosphorylation. In addition, pre-treatment of I3A guarded against the deficiency of MRC capacity. In conclusion, our findings uncovered that I3A increased hepatic PGC1a expression, contributing to mitochondrial respiration improvement in NAFLD.
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Affiliation(s)
- Chen Zhang
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Qingsong Fu
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Kai Shao
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Limin Liu
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Xiaotian Ma
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Fengyi Zhang
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Xiaodong Zhang
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Liying Meng
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - ChuanZhu Yan
- Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China
| | - Xiaoyun Zhao
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Hefei Road No 758, Qingdao 266035, China.
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Aljabban J, Rohr M, Syed S, Khorfan K, Borkowski V, Aljabban H, Segal M, Mukhtar M, Mohammed M, Panahiazar M, Hadley D, Spengler R, Spengler E. Transcriptome changes in stages of non-alcoholic fatty liver disease. World J Hepatol 2022; 14:1382-1397. [PMID: 36158924 PMCID: PMC9376779 DOI: 10.4254/wjh.v14.i7.1382] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/29/2022] [Accepted: 06/17/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the United States and globally. The currently understood model of pathogenesis consists of a ‘multiple hit’ hypothesis in which environmental and genetic factors contribute to hepatic inflammation and injury.
AIM To examine the genetic expression of NAFLD and non-alcoholic steatohepatitis (NASH) tissue samples to identify common pathways that contribute to NAFLD and NASH pathogenesis.
METHODS We employed the Search Tag Analyze Resource for Gene Expression Omnibus platform to search the The National Center for Biotechnology Information Gene Expression Omnibus to elucidate NAFLD and NASH pathology. For NAFLD, we conducted meta-analysis of data from 58 NAFLD liver biopsies and 60 healthy liver biopsies; for NASH, we analyzed 187 NASH liver biopsies and 154 healthy liver biopsies.
RESULTS Our results from the NAFLD analysis reinforce the role of altered metabolism, inflammation, and cell survival in pathogenesis and support recently described contributors to disease activity, such as altered androgen and long non-coding RNA activity. The top upstream regulator was found to be sterol regulatory element binding transcription factor 1 (SREBF1), a transcription factor involved in lipid homeostasis. Downstream of SREBF1, we observed upregulation in CXCL10, HMGCR, HMGCS1, fatty acid binding protein 5, paternally expressed imprinted gene 10, and downregulation of sex hormone-binding globulin and insulin-like growth factor 1. These molecular changes reflect low-grade inflammation secondary to accumulation of fatty acids in the liver. Our results from the NASH analysis emphasized the role of cholesterol in pathogenesis. Top canonical pathways, disease networks, and disease functions were related to cholesterol synthesis, lipid metabolism, adipogenesis, and metabolic disease. Top upstream regulators included pro-inflammatory cytokines tumor necrosis factor and IL1B, PDGF BB, and beta-estradiol. Inhibition of beta-estradiol was shown to be related to derangement of several cellular downstream processes including metabolism, extracellular matrix deposition, and tumor suppression. Lastly, we found riciribine (an AKT inhibitor) and ZSTK-474 (a PI3K inhibitor) as potential drugs that targeted the differential gene expression in our dataset.
CONCLUSION In this study we describe several molecular processes that may correlate with NAFLD disease and progression. We also identified ricirbine and ZSTK-474 as potential therapy.
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Affiliation(s)
- Jihad Aljabban
- Department of Medicine, University of Wisconsin Hospital and Clinics, Madison, WI 53792, United States
| | - Michael Rohr
- Department of Medicine, University of Central Florida College of Medicine, Orlando, FL 32827, United States
| | - Saad Syed
- Department of Medicine, Northwestern Memorial Hospital, Chicago, IL 60611, United States
| | - Kamal Khorfan
- Department of Gastroenterology and Hepatology, University of California San Francisco-Fresno , Fresno, CA 93701, United States
| | - Vincent Borkowski
- Department of Medicine, University of Wisconsin Hospital and Clinics, Madison, WI 53792, United States
| | - Hisham Aljabban
- Department of Medicine, Barry University, Miami, FL 33161, United States
| | - Michael Segal
- Department of Medicine, University of Wisconsin Hospital and Clinics, Madison, WI 53792, United States
| | - Mohamed Mukhtar
- Department of Medicine, Michigan State University College of Human Medicine, East Lansing, MI 49503, United States
| | - Mohammed Mohammed
- Department of Medicine, Windsor University School of Medicine, Saint Kitts 1621, Cayon, Saint Kitts and Nevis
| | - Maryam Panahiazar
- Department of Surgery, University of California San Francisco, San Francisco, CA 94305, United States
| | - Dexter Hadley
- Department of Artificial Intelligence, Pathology, University of Central Florida College of Medicine , Orlando, FL 32827, United States
| | - Ryan Spengler
- Department of Medicine, University of Wisconsin Hospital and Clinics, Madison, WI 53792, United States
| | - Erin Spengler
- Department of Gastroenterology and Hepatology, University of Wisconsin Hospital and Clinics, Madison, WI 53792, United States
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Wang M, Zhu Z, Kan Y, Yu M, Guo W, Ju M, Wang J, Yi S, Han S, Shang W, Zhang Z, Zhang L, Fang P. Treatment with spexin mitigates diet-induced hepatic steatosis in vivo and in vitro through activation of galanin receptor 2. Mol Cell Endocrinol 2022; 552:111688. [PMID: 35654225 DOI: 10.1016/j.mce.2022.111688] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/28/2022] [Accepted: 05/25/2022] [Indexed: 01/12/2023]
Abstract
It was reported that spexin as an adipocyte-secreted protein could regulate obesity and insulin resistance. However, the specific metabolic contribution of spexin to fatty liver remains incompletely understood. Herein, we investigated the effects of spexin on hepatosteatosis and explored the underlying molecular mechanisms. HFD-fed mice were injected with spexin and/or GALR2 antagonist M871, while PA-induced HepG2 cells were treated with spexin in the absence or presence of M871 for 12 h, respectively. Gene expression in liver tissues and hepatocytes was assessed by qRT-PCR and western blotting, respectively. The results showed that body weight, visceral fat content, liver lipid droplet formation, hepatic intracellular triglyceride, and serum triglyceride were reduced in spexin-treated mice. Furthermore, spexin increased the expression of hepatic CPT1A, PPARα, SIRT1, KLF9, PGC-1α and PEPCK in vivo and in vitro. Additionally, spexin treatment improved glucose tolerance and insulin sensitivity in mice fed the HFD. Interestingly, these spexin-mediated beneficial effects were abolished by the GALR2 antagonist M871 in mice fed HFD and PA-induced HepG2 cells, suggesting that spexin mitigated HFD-induced hepatic steatosis by activating the GALR2, thereby increasing CPT1A, PPARα, SIRT1, KLF9, PGC-1α and PEPCK expression. Taken together, these data suggest that spexin ameliorates NAFLD by improving lipolysis and fatty acid oxidation via activation of GALR2 signaling.
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Affiliation(s)
- Mengyuan Wang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ziyue Zhu
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yue Kan
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mei Yu
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Wancheng Guo
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, 225001, China
| | - Mengxian Ju
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, 225001, China
| | - Junjun Wang
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, 225001, China
| | - Shuxin Yi
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, 225001, China
| | - Shiyu Han
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Wenbin Shang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhenwen Zhang
- Department of Endocrinology, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, 225001, China.
| | - Li Zhang
- Hanlin College, Nanjing University of Chinese Medicine, Taizhou, 225300, China.
| | - Penghua Fang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China; Hanlin College, Nanjing University of Chinese Medicine, Taizhou, 225300, China.
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PPAR Alpha as a Metabolic Modulator of the Liver: Role in the Pathogenesis of Nonalcoholic Steatohepatitis (NASH). BIOLOGY 2022; 11:biology11050792. [PMID: 35625520 PMCID: PMC9138523 DOI: 10.3390/biology11050792] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 12/31/2022]
Abstract
Simple Summary In the context of liver disease, one of the more growing public health problems is the transition from simple steatosis to non-alcoholic steatohepatitis. Profound metabolic dysregulations linked to inflammation and hepatic injury are features of non-alcoholic steatohepatitis. Since the peroxisomal-proliferator-activated receptor alpha has long been considered one of the key transcriptional factors in hepatic metabolism, its role in the pathogenesis of non-alcoholic steatohepatitis is discussed in this review. Abstract The strong relationship between metabolic alterations and non-alcoholic steatohepatitis (NASH) suggests a pathogenic interplay. However, many aspects have not yet been fully clarified. Nowadays, NASH is becoming the main cause of liver-associated morbidity and mortality. Therefore, an effort to understand the mechanisms underlying the pathogenesis of NASH is critical. Among the nuclear receptor transcription factors, peroxisome-proliferator-activated receptor alpha (PPARα) is highly expressed in the liver, where it works as a pivotal transcriptional regulator of the intermediary metabolism. In this context, PPARα’s function in regulating the lipid metabolism is essential for proper liver functioning. Here, we review metabolic liver genes under the control of PPARα and discuss how this aspect can impact the inflammatory condition and pathogenesis of NASH.
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Chung KW, Cho YE, Kim SJ, Hwang S. Immune-related pathogenesis and therapeutic strategies of nonalcoholic steatohepatitis. Arch Pharm Res 2022; 45:229-244. [PMID: 35391713 DOI: 10.1007/s12272-022-01379-1] [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: 02/16/2022] [Accepted: 03/25/2022] [Indexed: 11/02/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome and has become prevalent in the adult population worldwide, given the ongoing obesity pandemic. NAFLD comprises several hepatic disorders, ranging from fatty liver to nonalcoholic steatohepatitis (NASH), cirrhosis, and carcinoma. Excessive fat accumulation in the liver can induce the development of fatty liver, whereas the progression of fatty liver to NASH involves various complex factors. The crucial difference between fatty liver and NASH is the presence of inflammation and fibrosis, the emergence of which is closely associated with the action of immune cells and immunological factors, such as chemokines and cytokines. Thus, expanding our understanding of immunological mechanisms contributing to NASH pathogenesis will lead to the identification of therapeutic targets and the development of viable therapeutics against NASH.
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Affiliation(s)
- Ki Wung Chung
- Department of Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Ye Eun Cho
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Seung-Jin Kim
- Department of Biochemistry, College of Natural Sciences, Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon, 24341, Republic of Korea.,Global/Gangwon Innovative Biologics-Regional Leading Research Center (GIB-RLRC), Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Seonghwan Hwang
- Department of Manufacturing Pharmacy, College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea.
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Xu B, Chen L, Zhan Y, Marquez KNS, Zhuo L, Qi S, Zhu J, He Y, Chen X, Zhang H, Shen Y, Chen G, Gu J, Guo Y, Liu S, Xie T. The Biological Functions and Regulatory Mechanisms of Fatty Acid Binding Protein 5 in Various Diseases. Front Cell Dev Biol 2022; 10:857919. [PMID: 35445019 PMCID: PMC9013884 DOI: 10.3389/fcell.2022.857919] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/28/2022] [Indexed: 12/11/2022] Open
Abstract
In recent years, fatty acid binding protein 5 (FABP5), also known as fatty acid transporter, has been widely researched with the help of modern genetic technology. Emerging evidence suggests its critical role in regulating lipid transport, homeostasis, and metabolism. Its involvement in the pathogenesis of various diseases such as metabolic syndrome, skin diseases, cancer, and neurological diseases is the key to understanding the true nature of the protein. This makes FABP5 be a promising component for numerous clinical applications. This review has summarized the most recent advances in the research of FABP5 in modulating cellular processes, providing an in-depth analysis of the protein’s biological properties, biological functions, and mechanisms involved in various diseases. In addition, we have discussed the possibility of using FABP5 as a new diagnostic biomarker and therapeutic target for human diseases, shedding light on challenges facing future research.
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Affiliation(s)
- Binyue Xu
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Lu Chen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Yu Zhan
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Karl Nelson S. Marquez
- Clinical Medicine, Tongji Medical College, Huazhong University of Science and Technology, Hankou, China
| | - Lvjia Zhuo
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Shasha Qi
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Jinyu Zhu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Ying He
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Xudong Chen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Hao Zhang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Yingying Shen
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Gongxing Chen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
| | - Jianzhong Gu
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Yong Guo
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: Yong Guo, ; Shuiping Liu, ; Tian Xie,
| | - Shuiping Liu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
- *Correspondence: Yong Guo, ; Shuiping Liu, ; Tian Xie,
| | - Tian Xie
- School of Pharmacy, Hangzhou Normal University, Hangzhou, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China
- *Correspondence: Yong Guo, ; Shuiping Liu, ; Tian Xie,
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Karkucinska-Wieckowska A, Simoes ICM, Kalinowski P, Lebiedzinska-Arciszewska M, Zieniewicz K, Milkiewicz P, Górska-Ponikowska M, Pinton P, Malik AN, Krawczyk M, Oliveira PJ, Wieckowski MR. Mitochondria, oxidative stress and nonalcoholic fatty liver disease: A complex relationship. Eur J Clin Invest 2022; 52:e13622. [PMID: 34050922 DOI: 10.1111/eci.13622] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/19/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023]
Abstract
According to the 'multiple-hit' hypothesis, several factors can act simultaneously in nonalcoholic fatty liver disease (NAFLD) progression. Increased nitro-oxidative (nitroso-oxidative) stress may be considered one of the main contributors involved in the development and risk of NAFLD progression to nonalcoholic steatohepatitis (NASH) characterized by inflammation and fibrosis. Moreover, it has been repeatedly postulated that mitochondrial abnormalities are closely related to the development and progression of liver steatosis and NAFLD pathogenesis. However, it is difficult to determine with certainty whether mitochondrial dysfunction or oxidative stress are primary events or a simple consequence of NAFLD development. On the one hand, increasing lipid accumulation in hepatocytes could cause a wide range of effects from mild to severe mitochondrial damage with a negative impact on cell fate. This can start the cascade of events, including an increase of cellular reactive nitrogen species (RNS) and reactive oxygen species (ROS) production that promotes disease progression from simple steatosis to more severe NAFLD stages. On the other hand, progressing mitochondrial bioenergetic catastrophe and oxidative stress manifestation could be considered accompanying events in the vast spectrum of abnormalities observed during the transition from NAFL to NASH and cirrhosis. This review updates our current understanding of NAFLD pathogenesis and clarifies whether mitochondrial dysfunction and ROS/RNS are culprits or bystanders of NAFLD progression.
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Affiliation(s)
| | - Ines C M Simoes
- Laboratory of Mitochondrial Biology and Metabolism, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Piotr Kalinowski
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Magdalena Lebiedzinska-Arciszewska
- Laboratory of Mitochondrial Biology and Metabolism, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Krzysztof Zieniewicz
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Piotr Milkiewicz
- Liver and Internal Medicine Unit, Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland.,Translational Medicine Group, Pomeranian Medical University, Szczecin, Poland
| | | | - Paolo Pinton
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies, University of Ferrara, Ferrara, Italy
| | - Afshan N Malik
- Department of Diabetes, School of Life Course, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Marcin Krawczyk
- Laboratory of Metabolic Liver Diseases, Department of General, Transplant and Liver Surgery, Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland.,Department of Medicine II, Saarland University Medical Center, Saarland University, Homburg, Germany
| | - Paulo J Oliveira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, CIBB - Centre for Innovative Biomedicine and Biotechnology, Coimbra, Portugal
| | - Mariusz R Wieckowski
- Laboratory of Mitochondrial Biology and Metabolism, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
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Li C, Wang M, Fu T, Li Z, Chen Y, He T, Feng D, Wang Z, Fan Q, Chen M, Zhang H, Lin R, Zhao C. Lipidomics Indicates the Hepatotoxicity Effects of EtOAc Extract of Rhizoma Paridis. Front Pharmacol 2022; 13:799512. [PMID: 35211012 PMCID: PMC8861452 DOI: 10.3389/fphar.2022.799512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/17/2022] [Indexed: 12/18/2022] Open
Abstract
Rhizoma Paridis is a traditional Chinese medicine commonly used in the clinical treatment of gynecological diseases. Previous studies have shown that aqueous extracts of Rhizoma Paridis exhibit some hepatotoxicity to hepatocytes. Here, using lipidomics analysis, we investigated the potential hepatotoxicity of Rhizoma Paridis and its possible mechanism. The hepatic damaging of different solvent extracts of Rhizoma Paridis on zebrafish larvae were determined by a combination of mortality dose, biochemical, morphological, and functional tests. We found that ethyl acetate extracts (AcOEtE) were the most toxic fraction. Notably, lipidomic responsible for the pharmacological effects of AcOEtE were investigated by Q-Exactive HF-X mass spectrometer (Thermo Scientific high-resolution) coupled in tandem with a UHPLC system. Approximately 1958 unique spectral features were detected, of which 325 were identified as unique lipid species. Among these lipid species, phosphatidylethanolamine cardiolipin Ceramide (Cer), lysophosphatidylinositol sphingosine (Sph), etc., were significantly upregulated in the treated group. Pathway analysis indicates that Rhizoma Paridis may cause liver damage via interfering with the glycerophospholipid metabolism. Collectively, this study has revealed previously uncharacterized lipid metabolic disorder involving lipid synthesis, metabolism, and transport that functionally determines hepatic fibrosis procession.
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Affiliation(s)
- Chaofeng Li
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Mingshuang Wang
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Tingting Fu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Zhiqi Li
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yang Chen
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Tao He
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Dan Feng
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Zhaoyi Wang
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qiqi Fan
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Meilin Chen
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Honggui Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Ruichao Lin
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Chongjun Zhao
- Beijing Key Lab for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Duan J, Wang Z, Duan R, Yang C, Zhao R, Feng Q, Qin Y, Jiang J, Gu S, Lv K, zhang L, He B, Birnbaumer L, Yang S, Chen Z, Yang Y. Therapeutic targeting of hepatic ACSL4 ameliorates NASH in mice. Hepatology 2022; 75:140-153. [PMID: 34510514 PMCID: PMC8688219 DOI: 10.1002/hep.32148] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 08/11/2021] [Accepted: 09/03/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS Globally, NAFLD is one of the most common liver disorders, with an estimated prevalence rate of more than 30% in men and 15% in women and an even higher prevalence in people with type 2 diabetes mellitus. Optimal pharmacologic therapeutic approaches for NAFLD are an urgent necessity. APPROACH AND RESULTS In this study, we showed that compared with healthy controls, hepatic ACSL4 levels in patients with NAFLD were found to be elevated. Suppression of ACSL4 expression promoted mitochondrial respiration, thereby enhancing the capacity of hepatocytes to mediate β-oxidation of fatty acids and to minimize lipid accumulation by up-regulating peroxisome proliferator-activated receptor coactivator-1 alpha. Moreover, we found that abemaciclib is a potent and selective ACSL4 inhibitor, and low dose of abemaciclib significantly ameliorated most of the NAFLD symptoms in multiple NAFLD mice models. CONCLUSIONS Therefore, inhibition of ACSL4 is a potential alternative therapeutic approach for NAFLD.
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Affiliation(s)
- Jingjing Duan
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Zhuo Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Ran Duan
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Chenxinhui Yang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Ruolin Zhao
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Qi Feng
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Yuanyuan Qin
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Jingwei Jiang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Shouyong Gu
- Province Geriatic Hospital, 30 Luojia Road, Nanjing 210024, China
| | - Kaiyan Lv
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Libo zhang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Bixia He
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Lutz Birnbaumer
- Institute of Biomedical Research (BIOMED), Catholic University of Argentina, Buenos Aires C1107AFF, Argentina, and Neurobiology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
| | - Song Yang
- Center of hepatology, Beijing Ditan Hospital of Capital Medical University, Beijing 100015, China
| | - Zhen Chen
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Yong Yang
- Center for New Drug Safety Evaluation and Research, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
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Xu L, Chen Y, Nagashimada M, Ni Y, Zhuge F, Chen G, Li H, Pan T, Yamashita T, Mukaida N, Kaneko S, Ota T, Nagata N. CC chemokine ligand 3 deficiency ameliorates diet-induced steatohepatitis by regulating liver macrophage recruitment and M1/M2 status in mice. Metabolism 2021; 125:154914. [PMID: 34656648 DOI: 10.1016/j.metabol.2021.154914] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/06/2021] [Accepted: 10/12/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS The global prevalence of nonalcoholic fatty liver disease (NAFLD) is increasing. Chemokines and their receptors have potential as therapeutic targets of NAFLD. We investigated the role of CC chemokine ligand 3 (CCL3) in the development of murine and human NAFLD. METHODS CCL3-knockout mice (CCL3-/-) and littermate CCL3 wild-type control mice (WT) were fed a high-cholesterol and high-fat (CL) diet for 16 weeks to induce NAFLD. We investigated the impact of CCL3 gene deletion in bone marrow cells and leptin-deficient ob/ob mice on CL diet-induced steatohepatitis. We assayed the serum CCL3 levels in 36 patients with biopsy-proven NAFLD and nine healthy control subjects. RESULTS Compared with normal chow (NC), the CL diet induced steatohepatitis and hepatic fibrosis and elevated the plasma CCL3 level. In the liver, CCL3 protein colocalized with F4/80+ macrophages, especially CD11c+ M1-like macrophages, rather than other cell types. CCL3-/- attenuated CL diet-induced steatohepatitis and fibrosis associated with M2-dominant liver macrophages compared with the WT. The reconstitution of bone marrow (BM) cells from CCL3-/- attenuated steatohepatitis in WT mice fed a CL diet. Furthermore, crossing CCL3-/- onto the ob/ob background prevented CL diet-induced NAFLD in ob/ob mice, which was associated with a lesser inflammatory phenotype of liver macrophages. Also, the serum and hepatic levels of CCL3 were significantly increased in patients with non-alcoholic steatohepatitis (NASH) compared to those with simple fatty liver (NAFL) and healthy subjects. CONCLUSION Our data indicate that CCL3 facilitates macrophage infiltration into the liver and M1 polarization in the progression of steatohepatitis and highlight the need for further studies to determine the effect of CCL3-CCR1 and -CCR5 signaling blockade on the treatment of NAFLD.
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Affiliation(s)
- Liang Xu
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan; School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China.
| | - Yongping Chen
- First Affiliated Hospital, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Mayumi Nagashimada
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Yinhua Ni
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Fen Zhuge
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Guanliang Chen
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Haoran Li
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Tongtong Pan
- First Affiliated Hospital, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
| | - Tatsuya Yamashita
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan; Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Ishikawa 920-8641, Japan
| | - Naofumi Mukaida
- Division of Molecular Bioregulation, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa 920-1192, Japan
| | - Shuichi Kaneko
- Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Ishikawa 920-8641, Japan
| | - Tsuguhito Ota
- Department of Cell Metabolism and Nutrition, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Naoto Nagata
- Department of Cellular and Molecular Function Analysis, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan.
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The promising role of CCL2 as a noninvasive marker for nonalcoholic steatohepatitis diagnosis in Egyptian populations. Eur J Gastroenterol Hepatol 2021; 33:e954-e960. [PMID: 34907983 DOI: 10.1097/meg.0000000000002324] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is a common liver problem, including both nonalcoholic fatty liver (NAFL) and nonalcoholic steatohepatitis (NASH). In this study, we investigated the role of CCL2 and IL6 as a noninvasive tool for the diagnosis of NASH in clinical practice and to establish criteria for discrimination NASH from NAFL in Egyptian populations with NAFLD. METHOD In addition to 30 healthy controls, serum samples from 66 NAFLD patients histologically diagnosed by biopsy (32 NAFL and 34 NASH) were analyzed for serum IL6, CCL2, liver biomarkers, complete blood count and lipid profile. Serum IL6 or CCL2 levels were tested for correlation with the NASH activity score (NAS score). RESULT Both IL6 and CCL2 were significantly upregulated in NASH patients compared with NAFL patients or control. Serum CCL2 was significantly correlated with the degree of hepatocytes ballooning (the diagnostic endpoint for NASH) without any significant correlation with steatosis or lobular inflammation. Serum IL6 was not correlated with the NAS score. The ROC curve analysis of CCL2 for NASH diagnosis revealed an area under curve (AUROC) of 0.959 at cutoff ≥227 pg/ml. While IL6 revealed an (AUROC) of 0.790. CONCLUSION Serum CCL2 but not IL6 is a promising noninvasive tool for NASH diagnosis and CCL2 can provide a reliable, validated scoring system to discriminate NAFL from NASH in the Egyptian population confirming the role of CCL2 in NASH pathogenesis. These findings will aid in the development of innovative NASH treatment strategies in Egypt and improve the quality of clinical care.
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Liu C, Zhu T, Zhang J, Wang J, Gao F, Ou Q, Jin C, Xu JY, Zhang J, Tian H, Xu GT, Lu L. Identification of novel key molecular signatures in the pathogenesis of experimental diabetic retinopathy. IUBMB Life 2021; 73:1307-1324. [PMID: 34405947 DOI: 10.1002/iub.2544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 08/03/2021] [Indexed: 12/11/2022]
Abstract
Deep mining of the molecular mechanisms underlying diabetic retinopathy (DR) is critical for the development of novel therapeutic targets. This study aimed to identify key molecular signatures involved in experimental DR on the basis of integrated bioinformatics analysis. Four datasets consisting of 37 retinal samples were downloaded from the National Center of Biotechnology Information Gene Expression Omnibus. After batch-effect adjustment, bioinformatics tools such as Networkanalyst, Enrichr, STRING, and Metascape were used to evaluate the differentially expressed genes (DEGs), perform enrichment analysis, and construct protein-protein interaction networks. The hub genes were identified using Cytoscape software. The DEGs of interest from the meta-analysis were confirmed by quantitative reverse transcription-polymerase chain reaction in diabetic rats and a high-glucose-treated retinal cell model, respectively. A total of 743 DEGs related to lens differentiation, insulin resistance, and high-density lipoprotein (HDL) cholesterol metabolism were obtained using the meta-analysis. Alterations of dynamic gene expression in the chloride ion channel, retinol metabolism, and fatty acid metabolism were involved in the course of DR in rats. Importantly, H3K27m3 modifications regulated the expression of most DEGs at the early stage of DR. Using an integrated bioinformatics approach, novel molecular signatures were obtained for different stages of DR progression, and the findings may represent distinct therapeutic strategies for DR patients.
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Affiliation(s)
- Caiying Liu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Tong Zhu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Jieping Zhang
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Juan Wang
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Furong Gao
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Qingjian Ou
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Caixia Jin
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Jing-Ying Xu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Jingfa Zhang
- Department of Ophthalmology, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University, Shanghai, China
| | - Haibin Tian
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
| | - Guo-Tong Xu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
- The Collaborative Innovation Center for Brain Science, Tongji University, Shanghai, China
| | - Lixia Lu
- Department of Ophthalmology of Shanghai Tenth People's Hospital, Laboratory of Clinical Visual Science of Tongji Eye Institute, School of Medicine, Tongji University, Shanghai, China
- Department of Pharmacology, School of Medicine, Tongji University, Shanghai, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Tongji University, Shanghai, China
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Abstract
Triglycerides are critical lipids as they provide an energy source that is both compact and efficient. Due to its hydrophobic nature triglyceride molecules can pack together densely and so be stored in adipose tissue. To be transported in the aqueous medium of plasma, triglycerides have to be incorporated into lipoprotein particles along with other components such as cholesterol, phospholipid and associated structural and regulatory apolipoproteins. Here we discuss the physiology of normal triglyceride metabolism, and how impaired metabolism induces hypertriglyceridemia and its pathogenic consequences including atherosclerosis. We also discuss established and novel therapies to reduce triglyceride-rich lipoproteins.
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Liu B, Xiang L, Ji J, Liu W, Chen Y, Xia M, Liu Y, Liu W, Zhu P, Jin Y, Han Y, Lu J, Li X, Zheng M, Lu Y. Sparcl1 promotes nonalcoholic steatohepatitis progression in mice through upregulation of CCL2. J Clin Invest 2021; 131:144801. [PMID: 34651580 DOI: 10.1172/jci144801] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 08/31/2021] [Indexed: 12/14/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) represents a spectrum of chronic liver disease ranging from simple steatosis (NAFL) to nonalcoholic steatohepatitis (NASH). However, the molecular mechanisms of NASH progression remain incompletely understood. White adipose tissue (WAT) has emerged as an important endocrine organ and contributes not only to the initial stage of NAFLD, but also to its severity. In the current study, through transcriptomic analysis we identified increased expression of Sparcl1, a secreted glycoprotein, in the WAT from NASH mice. Plasma Sparcl1 levels were similarly elevated and positively correlated with hepatic pathological features in NASH patients. Functional studies showed that both chronic injection of recombinant Sparcl1 protein and overexpression of Sparcl1 exaggerated hepatic inflammation and liver injury in mice. In contrast, genetic ablation of Sparcl1, knockdown of Sparcl1 in WAT, and treatment with a Sparcl1-neutralizing antibody dramatically alleviated diet-induced NASH pathogenesis. Mechanistically, Sparcl1 promoted the expression of C-C motif chemokine ligand 2 (CCL2) in hepatocytes through binding to Toll-like receptor 4 (TLR4) and activation of the NF-κB/p65 signaling pathway. Genetically or pharmacologically blocking the CCL2/CCR2 pathway attenuated the hepatic inflammatory response evoked by Sparcl1. Thus, our results demonstrated an important role for Sparcl1 in NASH progression, suggesting a potential target for therapeutic intervention.
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Affiliation(s)
- Bin Liu
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang, China
| | - Liping Xiang
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jing Ji
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang, China
| | - Wei Liu
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, College of Pharmacy, Jiangsu Ocean University, Lianyungang, China
| | - Ying Chen
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mingfeng Xia
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuejun Liu
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | | | | | | | - Yu Han
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jieli Lu
- Shanghai National Clinical Research Center for Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoying Li
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Minghua Zheng
- MAFLD Research Center, Department of Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease of Zhejiang Province, Wenzhou, China
| | - Yan Lu
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
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Htun KT, Pan J, Pasanta D, Tungjai M, Udomtanakunchai C, Petcharoen T, Chamta N, Kosicharoen S, Chukua K, Lai C, Kothan S. Advanced Molecular Imaging (MRI/MRS/ 1H NMR) for Metabolic Information in Young Adults with Health Risk Obesity. Life (Basel) 2021; 11:life11101035. [PMID: 34685406 PMCID: PMC8541404 DOI: 10.3390/life11101035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Obesity or being overweight is a medical condition of abnormal body fat accumulation which is associated with a higher risk of developing metabolic syndrome. The distinct body fat depots on specific parts of the anatomy have unique metabolic properties and different types of regional excessive fat distribution can be a disease hazard. The aim of this study was to identify the metabolome and molecular imaging phenotypes among a young adult population. METHODS The amount and distribution of fat and lipid metabolites profile in the abdomen, liver, and calf muscles of 46 normal weight, 17 overweight, and 13 obese participants were acquired using MRI and MR spectroscopy (MRS), respectively. The serum metabolic profile was obtained using proton NMR spectroscopy. NMR spectra were integrated into seven integration regions, which reflect relative metabolites. RESULTS A significant metabolic disorder symptom appeared in the overweight and obese group, and increased lipid deposition occurred in the abdomen, hepatocytes, and muscles that were statistically significant. Overall, the visceral fat depots had a marked influence on dyslipidemia biomarkers, blood triglyceride (r = 0.592, p < 0.001), and high-density lipoprotein cholesterol (r = -0.484, p < 0.001). Intrahepatocellular lipid was associated with diabetes predictors for hemoglobin (HbA1c%; r = 0.379, p < 0.001) and for fasting blood sugar (r = 0.333, p < 0.05). The lipid signals in serum triglyceride and glucose signals gave similar correspondence to biochemical lipid profiles. CONCLUSIONS This study proves the association between alteration in metabolome in young adults, which is the key population for early prevention of obesity and metabolic syndrome. This study suggests that dyslipidemia prevalence is influenced mainly by the visceral fat depot, and liver fat depot is a key determinant for glucose metabolism and hyperglycemia. Moreover, noninvasive advanced molecular imaging completely elucidated the impact of fat distribution on the anthropometric and laboratory parameters, especially indices of the metabolic syndrome biomarkers in young adults.
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Affiliation(s)
- Khin Thandar Htun
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Jie Pan
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
- Shandong Provincial Key Laboratory of Animal Resistant Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China
- Correspondence: (J.P.); (S.K.); Tel.: +86-13583101188 (J.P.); +66-5394-9213 (S.K.)
| | - Duanghathai Pasanta
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Montree Tungjai
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Chatchanok Udomtanakunchai
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Thanaporn Petcharoen
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Nattacha Chamta
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Supak Kosicharoen
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Kiattisak Chukua
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
| | - Christopher Lai
- Health and Social Sciences, Singapore Institute of Technology, 10 Dover Drive, Singapore 138683, Singapore;
| | - Suchart Kothan
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.T.H.); (D.P.); (M.T.); (C.U.); (T.P.); (N.C.); (S.K.); (K.C.)
- Correspondence: (J.P.); (S.K.); Tel.: +86-13583101188 (J.P.); +66-5394-9213 (S.K.)
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Ontawong A, Pasachan T, Trisuwan K, Soodvilai S, Duangjai A, Pongchaidecha A, Amornlerdpison D, Srimaroeng C. Coffea arabica pulp aqueous extract attenuates oxidative stress and hepatic lipid accumulation in HepG2 cells. J Herb Med 2021. [DOI: 10.1016/j.hermed.2021.100465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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50
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Bile acid activated receptors: Integrating immune and metabolic regulation in non-alcoholic fatty liver disease. LIVER RESEARCH 2021. [DOI: 10.1016/j.livres.2021.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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