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Ji P, Li Y, Wang Z, Jia S, Jiang X, Chen H, Wang Q. Advances in precision gene editing for liver fibrosis: From technology to therapeutic applications. Biomed Pharmacother 2024; 177:117003. [PMID: 38908207 DOI: 10.1016/j.biopha.2024.117003] [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: 04/30/2024] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 06/24/2024] Open
Abstract
This review presents a comprehensive exploration of gene editing technologies and their potential applications in the treatment of liver fibrosis, a condition often leading to serious complications such as liver cancer. Through an in-depth review of current literature and critical analysis, the study delves into the intricate signaling pathways underlying liver fibrosis development and examines the promising role of gene editing in alleviating this disease burden. Gene editing technologies offer precise, efficient, and reproducible tools for manipulating genetic material, holding significant promise for basic research and clinical practice. The manuscript highlights the challenges and potential risks associated with gene editing technology. By synthesizing existing knowledge and exploring future perspectives, this study aims to provide valuable insights into the potential of precision gene editing to combat liver fibrosis and its associated complications, ultimately contributing to advances in liver fibrosis research and therapy.
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Affiliation(s)
- Peng Ji
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China; Liangzhu Laboratory, Zhejiang University School of Medicine, Hangzhou 310000, PR China
| | - Yan Li
- Department of International Medicine, The Second Hospital of Dalian Medical University, Dalian 116000, PR China
| | - Zihan Wang
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China
| | - Siyu Jia
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China
| | - Xinyi Jiang
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China
| | - Hui Chen
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China
| | - Qun Wang
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou 225300, PR China.
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Xu Y, Patterson MT, Dolfi B, Zhu A, Bertola A, Schrank PR, Gallerand A, Kennedy AE, Hillman H, Dinh L, Shekhar S, Tollison S, Bold TD, Ivanov S, Williams JW. Adrenal gland macrophages regulate glucocorticoid production through Trem2 and TGF-β. JCI Insight 2024; 9:e174746. [PMID: 38869957 PMCID: PMC11383592 DOI: 10.1172/jci.insight.174746] [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: 08/11/2023] [Accepted: 06/07/2024] [Indexed: 06/15/2024] Open
Abstract
Glucocorticoid synthesis by adrenal glands (AGs) is regulated by the hypothalamic-pituitary-adrenal axis to facilitate stress responses when the host is exposed to stimuli. Recent studies implicate macrophages as potential steroidogenic regulators, but the molecular mechanisms by which AG macrophages exert such influence remain unclear. In this study, we investigated the role of AG macrophages in response to cold challenge or atherosclerotic inflammation as physiologic models of acute or chronic stress. Using single-cell RNA sequencing, we observed dynamic AG macrophage polarization toward classical activation and lipid-associated phenotypes following acute or chronic stimulation. Among transcriptional alterations induced in macrophages, triggering receptor expressed on myeloid cells 2 (Trem2) was highlighted because of its upregulation following stress. Conditional deletion of macrophage Trem2 revealed a protective role in stress responses. Mechanistically, Trem2 deletion led to increased AG macrophage death, abolished the TGF-β-producing capacity of AG macrophages, and resulted in enhanced glucocorticoid production. In addition, enhanced glucocorticoid production was replicated by blockade of TGF-β signaling. Together, these observations suggest that AG macrophages restrict steroidogenesis through Trem2 and TGF-β, which opens potential avenues for immunotherapeutic interventions to resolve stress-related disorders.
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Affiliation(s)
- Yingzheng Xu
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Michael T Patterson
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Alisha Zhu
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Patricia R Schrank
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Ainsley E Kennedy
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Hannah Hillman
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Lynn Dinh
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Sia Shekhar
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Samuel Tollison
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Tyler D Bold
- Center for Immunology and
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Jesse W Williams
- Center for Immunology and
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
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Kim ES, Lee JM, Kwak JY, Lee HW, Lee IJ, Kim HM. Multicolor Two-Photon Microscopy Imaging of Lipid Droplets and Liver Capsule Macrophages In Vivo. Anal Chem 2024; 96:8467-8473. [PMID: 38723271 DOI: 10.1021/acs.analchem.4c00228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Lipid droplets (LDs) store energy and supply fatty acids and cholesterol. LDs are a hallmark of chronic nonalcoholic fatty liver disease (NAFLD). Recently, studies have focused on the role of hepatic macrophages in NAFLD. Green fluorescent protein (GFP) is used for labeling the characteristic targets in bioimaging analysis. Cx3cr1-GFP mice are widely used in studying the liver macrophages such as the NAFLD model. Here, we have developed a tool for two-photon microscopic observation to study the interactions between LDs labeled with LD2 and liver capsule macrophages labeled with GFP in vivo. LD2, a small-molecule two-photon excitation fluorescent probe for LDs, exhibits deep-red (700 nm) fluorescence upon excitation at 880 nm, high cell staining ability and photostability, and low cytotoxicity. This probe can clearly observe LDs through two-photon microscopy (TPM) and enables the simultaneous imaging of GFP+ liver capsule macrophages (LCMs) in vivo in the liver capsule of Cx3cr1-GFP mice. In the NAFLD mouse model, Cx3cr1+ LCMs and LDs increased with the progress of fatty liver disease, and spatiotemporal changes in LCMs were observed through intravital 3D TPM images. LD2 will aid in studying the interactions and immunological roles of hepatic macrophages and LDs to better understand NAFLD.
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Affiliation(s)
- Eun Seo Kim
- Department of Energy Systems Research and Department of Chemistry, Ajou University, Suwon 16499, Korea
| | - Jeong-Mi Lee
- Three-Dimensional Immune System Imaging Core Facility, Ajou University, Suwon 16499, Korea
| | - Jong-Young Kwak
- Three-Dimensional Immune System Imaging Core Facility, Ajou University, Suwon 16499, Korea
- Department of Pharmacology, School of Medicine, Ajou University, Suwon 16499, Korea
| | - Hyo Won Lee
- Department of Energy Systems Research and Department of Chemistry, Ajou University, Suwon 16499, Korea
| | - In-Jeong Lee
- Three-Dimensional Immune System Imaging Core Facility, Ajou University, Suwon 16499, Korea
| | - Hwan Myung Kim
- Department of Energy Systems Research and Department of Chemistry, Ajou University, Suwon 16499, Korea
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Zhao YN, Liu ZD, Yan T, Xu TX, Jin TY, Jiang YS, Zuo W, Lee KY, Huang LJ, Wang Y. Macrophage-specific FGFR1 deletion alleviates high-fat-diet-induced liver inflammation by inhibiting the MAPKs/TNF pathways. Acta Pharmacol Sin 2024; 45:988-1001. [PMID: 38279043 PMCID: PMC11053141 DOI: 10.1038/s41401-024-01226-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 01/04/2024] [Indexed: 01/28/2024] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a common metabolic disease that is substantially associated with obesity-induced chronic inflammation. Macrophage activation and macrophage-medicated inflammation play crucial roles in the development and progression of NAFLD. Furthermore, fibroblast growth factor receptor 1 (FGFR1) has been shown to be essentially involved in macrophage activation. This study investigated the role of FGFR1 in the NAFLD pathogenesis and indicated that a high-fat diet (HFD) increased p-FGFR1 levels in the mouse liver, which is associated with increased macrophage infiltration. In addition, macrophage-specific FGFR1 knockout or administration of FGFR1 inhibitor markedly protected the liver from HFD-induced lipid accumulation, fibrosis, and inflammatory responses. The mechanistic study showed that macrophage-specific FGFR1 knockout alleviated HFD-induced liver inflammation by suppressing the activation of MAPKs and TNF signaling pathways and reduced fat deposition in hepatocytes, thereby inhibiting the activation of hepatic stellate cells. In conclusion, the results of this research revealed that FGFR1 could protect the liver of HFD-fed mice by inhibiting MAPKs/TNF-mediated inflammatory responses in macrophages. Therefore, FGFR1 can be employed as a target to prevent the development and progression of NAFLD.
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Affiliation(s)
- Yan-Ni Zhao
- Joint Research Center on Medicine, The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, 315700, China
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea
| | - Zhou-di Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Tao Yan
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Ting-Xin Xu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Tian-Yang Jin
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Yong-Sheng Jiang
- Joint Research Center on Medicine, The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, 315700, China
| | - Wei Zuo
- Joint Research Center on Medicine, The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, 315700, China
| | - Kwang Youl Lee
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea.
| | - Li-Jiang Huang
- Joint Research Center on Medicine, The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, 315700, China.
| | - Yi Wang
- Joint Research Center on Medicine, The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, 315700, China.
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, China.
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Kim JW, Kim YJ. The evidence-based multifaceted roles of hepatic stellate cells in liver diseases: A concise review. Life Sci 2024; 344:122547. [PMID: 38460810 DOI: 10.1016/j.lfs.2024.122547] [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: 12/25/2023] [Revised: 02/21/2024] [Accepted: 03/04/2024] [Indexed: 03/11/2024]
Abstract
Hepatic stellate cells (HSCs) play central roles in liver disease pathogenesis, spanning steatosis to cirrhosis and hepatocellular carcinoma. These cells, located in the liver's sinusoidal space of Disse, transition from a quiescent, vitamin A-rich state to an activated, myofibroblast-like phenotype in response to liver injury. This activation results from a complex interplay of cytokines, growth factors, and oxidative stress, leading to excessive collagen deposition and liver fibrosis, a hallmark of chronic liver diseases. Recently, HSCs have gained recognition for their dynamic, multifaceted roles in liver health and disease. Attention has shifted toward their involvement in various liver conditions, including acute liver injury, alcoholic and non-alcoholic fatty liver disease, and liver regeneration. This review aims to explore diverse functions of HSCs in these acute or chronic liver pathologies, with a focus on their roles beyond fibrogenesis. HSCs exhibit a wide range of actions, including lipid storage, immunomodulation, and interactions with other hepatic and extrahepatic cells, making them pivotal in the hepatic microenvironment. Understanding HSC involvement in the progression of liver diseases can offer novel insights into pathogenic mechanisms and guide targeted therapeutic strategies for various liver conditions.
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Affiliation(s)
- Jong-Won Kim
- Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Yu Ji Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Medical School, Jeonbuk National University, Research Institute of Clinical Medicine of Jeonbuk National University - Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, South Korea.
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Yang Q, Wu Y, Liu W, Ou X, Zhang W, Wang J, Chang Y, Wang F, Gao M, Liu S. Zonated iron deposition in the periportal zone of the liver is associated with selectively enhanced lipid synthesis. Liver Int 2024; 44:589-602. [PMID: 38082474 DOI: 10.1111/liv.15807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 10/28/2023] [Accepted: 11/17/2023] [Indexed: 01/31/2024]
Abstract
BACKGROUND AND AIMS Disorders in liver lipid metabolism have been implicated in a range of metabolic conditions, including fatty liver and liver cancer. Altered lipid distribution within the liver, shifting from the pericentral to the periportal zone under pathological circumstances, has been observed; however, the underlying mechanism remains elusive. Iron, an essential metal, exhibits a zonal distribution in the liver similar to that of lipids. Nevertheless, the precise relationship between iron and lipid distribution, especially in the pericentral and periportal zones, remains poorly understood. METHODS We conducted comprehensive in vitro and in vivo experiments, combining with in situ analysis and RNA sequencing, aiming for a detailed exploration of the causal relationship between iron accumulation and lipid metabolism. RESULTS Our research suggests that iron overload can disrupt the normal distribution of lipids within the liver, particularly in the periportal zone. Through meticulous gene expression profiling in both the pericentral and periportal zones, we identified pyruvate carboxylase (PC) as a pivotal regulator in iron overload-induced lipid accumulation. Additionally, we revealed that the activation of cyclic adenosine monophosphate response element binding protein (CREB) was indispensable for Pc gene expression when in response to iron overload. CONCLUSIONS In summary, our investigation unveils the crucial involvement of iron overload in fostering hepatic lipid accumulation in the periportal zone, at least partly mediated by the modulation of Pc expression. These insights offer new perspectives for understanding the pathogenesis of fatty liver diseases and their progression.
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Affiliation(s)
- Qiuyuan Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yue Wu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Wei Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaojuan Ou
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Translational Medicine in Liver Cirrhosis and National Clinical Research Center of Digestive Diseases, Beijing, China
| | - Wei Zhang
- Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Translational Medicine in Liver Cirrhosis and National Clinical Research Center of Digestive Diseases, Beijing, China
| | - Jianning Wang
- The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Yanzhong Chang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, The Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei Province, China
| | - Fudi Wang
- The Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China
| | - Ming Gao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
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Yang HX, Jiang XL, Zuo RM, Wu YL, Nan JX, Lian LH. Targeting RXFP1 by Ligustilide: A novel therapeutic approach for alcoholic hepatic steatosis. Int Immunopharmacol 2024; 127:111460. [PMID: 38157696 DOI: 10.1016/j.intimp.2023.111460] [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: 11/24/2023] [Revised: 12/21/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Ligustilide (Lig) is the main active ingredient of Umbelliferae Angelicae Sinensis Radix (Chinese Angelica) and Chuanxiong Rhizoma (Sichuan lovase rhizome). Lig possesses various pharmacological properties and could treat obesity by regulating energy metabolism. However, the impact and regulatory mechanism of Lig on alcoholic hepatic steatosis remains unclear. PURPOSE This study aimed to explore the therapeutic effect of Lig on alcoholic hepatic steatosis and its related pharmacological mechanism. RESULTS With chronic and binge ethanol feeding, liver tissue damage and lipid accumulation in mice suffering alcoholic hepatic steatosis were significantly improved after Lig treatment. Lig effectively regulated the expression levels of lipid metabolism-related proteins in alcoholic hepatic steatosis. In addition, Lig reduced RXFP1 expression, inhibited the activation of NLRP3 inflammasome, and blocked NET formation. Lig reduced the infiltration of immune cells to the liver and the further prevented the occurrence of alcohol-stimulated inflammatory response in liver. Lig significantly regulated lipid accumulation in alcohol exposed AML12 cells via modulating PPARα and SREBP1. In MPMs, Lig decreased the expression of RXFP1, inhibited the activation of NLRP3 in macrophages stimulated by LPS/ATP, and slowed down the occurrence of inflammatory response. CONCLUSION Lig sustained lipid metabolism homeostasis in alcoholic hepatic steatosis, through inhibiting the activation of NLRP3 inflammasomes and the formation of NETs, especially targeting RXFP1 in macrophages.
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Affiliation(s)
- Hong-Xu Yang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Xue-Li Jiang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Rong-Mei Zuo
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Yan-Ling Wu
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Ji-Xing Nan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China.
| | - Li-Hua Lian
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China.
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Kishinaka S, Kawashita E, Nishizaki T, Ishihara K, Akiba S. Group IVA Phospholipase A 2 in Collagen-Producing Cells Promotes High-Fat Diet-Induced Infiltration of Inflammatory Cells into the Liver by Upregulating the Expression of MCP-1. Biol Pharm Bull 2024; 47:1058-1065. [PMID: 38825533 DOI: 10.1248/bpb.b24-00035] [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] [Indexed: 06/04/2024]
Abstract
Nonalcoholic steatohepatitis (NASH) is characterized by hepatic inflammation and fibrosis due to excessive fat accumulation. Monocyte chemoattractant protein-1 (MCP-1) is a key chemokine that infiltrates inflammatory cells into the liver during the development of NASH. Our previous studies demonstrated that a systemic deficiency of group IVA phospholipase A2 (IVA-PLA2), an enzyme that contributes to the production of lipid inflammatory mediators, protects mice against high-fat diet-induced hepatic fibrosis and markedly suppresses the CCl4-induced expression of MCP-1 in the liver. However, it remains unclear which cell types harboring IVA-PLA2 are involved in the elevated production of MCP-1. Hence, the present study assessed the types of cells responsible for IVA-PLA2-mediated production of MCP-1 using cultured hepatic stellate cells, endothelial cells, macrophages, and hepatocytes, as well as cell-type specific IVA-PLA2 deficient mice fed a high-fat diet. A relatively specific inhibitor of IVA-PLA2 markedly suppressed the expression of MCP-1 mRNA in cultured hepatic stellate cells, but the suppression of MCP-1 expression was partial in endothelial cells and not observed in monocytes/macrophages or hepatocytes. In contrast, a deficiency of IVA-PLA2 in collagen-producing cells (hepatic stellate cells), but not in other types of cells, reduced the high-fat diet-induced expression of MCP-1 and inflammatory cell infiltration in the liver. Our results suggest that IVA-PLA2 in hepatic stellate cells is critical for hepatic inflammation in the high-fat diet-induced development of NASH. This supports a potential therapeutic approach for NASH using a IVA-PLA2 inhibitor targeting hepatic stellate cells.
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Affiliation(s)
- Saki Kishinaka
- Laboratory of Pathological Biochemistry, Kyoto Pharmaceutical University
| | - Eri Kawashita
- Laboratory of Pathological Biochemistry, Kyoto Pharmaceutical University
| | - Taichi Nishizaki
- Laboratory of Pathological Biochemistry, Kyoto Pharmaceutical University
| | - Keiichi Ishihara
- Laboratory of Pathological Biochemistry, Kyoto Pharmaceutical University
| | - Satoshi Akiba
- Laboratory of Pathological Biochemistry, Kyoto Pharmaceutical University
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9
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McCall KD, Walter D, Patton A, Thuma JR, Courreges MC, Palczewski G, Goetz DJ, Bergmeier S, Schwartz FL. Anti-Inflammatory and Therapeutic Effects of a Novel Small-Molecule Inhibitor of Inflammation in a Male C57BL/6J Mouse Model of Obesity-Induced NAFLD/MAFLD. J Inflamm Res 2023; 16:5339-5366. [PMID: 38026235 PMCID: PMC10658948 DOI: 10.2147/jir.s413565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose Non-alcoholic fatty liver disease (NAFLD), recently renamed metabolic (dysfunction) associated fatty liver disease (MAFLD), is the most common chronic liver disease in the United States. Presently, there is an intense and ongoing effort to identify and develop novel therapeutics for this disease. In this study, we explored the anti-inflammatory activity of a new compound, termed IOI-214, and its therapeutic potential to ameliorate NAFLD/MAFLD in male C57BL/6J mice fed a high fat (HF) diet. Methods Murine macrophages and hepatocytes in culture were treated with lipopolysaccharide (LPS) ± IOI-214 or DMSO (vehicle), and RT-qPCR analyses of inflammatory cytokine gene expression were used to assess IOI-214's anti-inflammatory properties in vitro. Male C57BL/6J mice were also placed on a HF diet and treated once daily with IOI-214 or DMSO for 16 weeks. Tissues were collected and analyzed to determine the effects of IOI-214 on HF diet-induced NAFL D/MAFLD. Measurements such as weight, blood glucose, serum cholesterol, liver/serum triglyceride, insulin, and glucose tolerance tests, ELISAs, metabolomics, Western blots, histology, gut microbiome, and serum LPS binding protein analyses were conducted. Results IOI-214 inhibited LPS-induced inflammation in macrophages and hepatocytes in culture and abrogated HF diet-induced mesenteric fat accumulation, hepatic inflammation and steatosis/hepatocellular ballooning, as well as fasting hyperglycemia without affecting insulin resistance or fasting insulin, cholesterol or TG levels despite overall obesity in vivo in male C57BL/6J mice. IOI-214 also decreased systemic inflammation in vivo and improved gut microbiota dysbiosis and leaky gut. Conclusion Combined, these data indicate that IOI-214 works at multiple levels in parallel to inhibit the inflammation that drives HF diet-induced NAFLD/MAFLD, suggesting that it may have therapeutic potential for NAFLD/MAFLD.
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Affiliation(s)
- Kelly D McCall
- Molecular and Cellular Biology Program, Ohio University College of Arts & Sciences, Athens, OH, USA
- Department of Biological Sciences, Ohio University College of Arts & Sciences, Athens, OH, USA
- Department of Specialty Medicine, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
- Department of Biomedical Sciences, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
- Diabetes Institute, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
- Biomedical Engineering Program, Ohio University Russ College of Engineering and Technology, Athens, OH, USA
| | - Debra Walter
- Molecular and Cellular Biology Program, Ohio University College of Arts & Sciences, Athens, OH, USA
- Department of Biological Sciences, Ohio University College of Arts & Sciences, Athens, OH, USA
| | - Ashley Patton
- Molecular and Cellular Biology Program, Ohio University College of Arts & Sciences, Athens, OH, USA
- Department of Biological Sciences, Ohio University College of Arts & Sciences, Athens, OH, USA
| | - Jean R Thuma
- Department of Specialty Medicine, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
| | - Maria C Courreges
- Department of Specialty Medicine, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
| | | | - Douglas J Goetz
- Molecular and Cellular Biology Program, Ohio University College of Arts & Sciences, Athens, OH, USA
- Biomedical Engineering Program, Ohio University Russ College of Engineering and Technology, Athens, OH, USA
- Department of Chemical & Biomolecular Engineering, Ohio University Russ College of Engineering and Technology, Athens, OH, USA
| | - Stephen Bergmeier
- Molecular and Cellular Biology Program, Ohio University College of Arts & Sciences, Athens, OH, USA
- Biomedical Engineering Program, Ohio University Russ College of Engineering and Technology, Athens, OH, USA
- Department of Chemistry & Biochemistry, Ohio University College of Arts & Sciences, Athens, OH, USA
| | - Frank L Schwartz
- Department of Specialty Medicine, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
- Diabetes Institute, Ohio University Heritage College of Osteopathic Medicine, Athens, OH, USA
- Biomedical Engineering Program, Ohio University Russ College of Engineering and Technology, Athens, OH, USA
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10
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Cao D, Saito S, Xu L, Fan W, Li X, Ahmed F, Jovanovic P, Shibata T, Che M, Bernstein EA, Gianni J, Divakaruni AS, Okwan-Duodu D, Khan Z, Riera CE, Chen F, Bernstein KE. Myeloid cell ACE shapes cellular metabolism and function in PCSK-9 induced atherosclerosis. Front Immunol 2023; 14:1278383. [PMID: 37928535 PMCID: PMC10623052 DOI: 10.3389/fimmu.2023.1278383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023] Open
Abstract
The pathogenesis of atherosclerosis is defined by impaired lipid handling by macrophages which increases intracellular lipid accumulation. This dysregulation of macrophages triggers the accumulation of apoptotic cells and chronic inflammation which contributes to disease progression. We previously reported that mice with increased macrophage-specific angiotensin-converting enzyme, termed ACE10/10 mice, resist atherosclerosis in an adeno-associated virus-proprotein convertase subtilisin/kexin type 9 (AAV-PCSK9)-induced model. This is due to increased lipid metabolism by macrophages which contributes to plaque resolution. However, the importance of ACE in peripheral blood monocytes, which are the primary precursors of lesional-infiltrating macrophages, is still unknown in atherosclerosis. Here, we show that the ACE-mediated metabolic phenotype is already triggered in peripheral blood circulating monocytes and that this functional modification is directly transferred to differentiated macrophages in ACE10/10 mice. We found that Ly-6Clo monocytes were increased in atherosclerotic ACE10/10 mice. The monocytes isolated from atherosclerotic ACE10/10 mice showed enhanced lipid metabolism, elevated mitochondrial activity, and increased adenosine triphosphate (ATP) levels which implies that ACE overexpression is already altered in atherosclerosis. Furthermore, we observed increased oxygen consumption (VO2), respiratory exchange ratio (RER), and spontaneous physical activity in ACE10/10 mice compared to WT mice in atherosclerotic conditions, indicating enhanced systemic energy consumption. Thus, ACE overexpression in myeloid lineage cells modifies the metabolic function of peripheral blood circulating monocytes which differentiate to macrophages and protect against atherosclerotic lesion progression due to better lipid metabolism.
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Affiliation(s)
- DuoYao Cao
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Suguru Saito
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - LiMin Xu
- Department of Neurosurgery, Shenzhen Entry-Exit Frontier Inspection Hospital, Shenzhen, China
| | - Wei Fan
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Xiaomo Li
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Faizan Ahmed
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Predrag Jovanovic
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Tomohiro Shibata
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Mingtian Che
- Biobank and Pathology Shared Resource, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Ellen A. Bernstein
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Jorge Gianni
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Ajit S. Divakaruni
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles (UCLA) David Geffen School of Medicine, Los Angeles, CA, United States
| | - Derick Okwan-Duodu
- Department of Pathology, Faculty of Medicine, Stanford University, San Jose, CA, United States
| | - Zakir Khan
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Celine E. Riera
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Fanfan Chen
- Department of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, China
| | - Kenneth E. Bernstein
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
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11
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Chen TT, Li XQ, Li N, Xu YP, Wang YH, Wang ZY, Zhang SN, Qi M, Zhang SH, Wei W, Wang H, Sun WY. β-arrestin2 deficiency ameliorates S-100-induced autoimmune hepatitis in mice by inhibiting infiltration of monocyte-derived macrophage and attenuating hepatocyte apoptosis. Acta Pharmacol Sin 2023; 44:2048-2064. [PMID: 37225848 PMCID: PMC10545685 DOI: 10.1038/s41401-023-01103-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 05/01/2023] [Indexed: 05/26/2023] Open
Abstract
Autoimmune hepatitis (AIH) is a progressive hepatitis syndrome characterized by high transaminase levels, interface hepatitis, hypergammaglobulinemia, and the presence of autoantibodies. Misdiagnosis or delayed treatment of AIH can lead to cirrhosis or liver failure, which poses a major risk to human health. β-Arrestin2, a key scaffold protein for intracellular signaling pathways, has been found to be involved in many autoimmune diseases such as Sjogren's syndrome and rheumatoid arthritis. However, whether β-arrestin2 plays a role in AIH remains unknown. In the present study, S-100-induced AIH was established in both wild-type mice and β-arrestin2 knockout (Arrb2 KO) mice, and the experiments identified that liver β-arrestin2 expression was gradually increased, and positively correlated to serum ANA, ALT and AST levels during AIH progression. Furthermore, β-arrestin2 deficiency ameliorated hepatic pathological damage, decreased serum autoantibody and inflammatory cytokine levels. β-arrestin2 deficiency also inhibited hepatocyte apoptosis and prevented the infiltration of monocyte-derived macrophages into the damaged liver. In vitro experiments revealed that β-arrestin2 knockdown suppressed the migration and differentiation of THP-1 cells, whereas β-arrestin2 overexpression promoted the migration of THP-1 cells, which was regulated by the activation of the ERK and p38 MAPK pathways. In addition, β-arrestin2 deficiency attenuated TNF-α-induced primary hepatocyte apoptosis by activating the Akt/GSK-3β pathway. These results suggest that β-arrestin2 deficiency ameliorates AIH by inhibiting the migration and differentiation of monocytes, decreasing the infiltration of monocyte-derived macrophages into the liver, thereby reducing inflammatory cytokines-induced hepatocytes apoptosis. Therefore, β-arrestin2 may act as an effective therapeutic target for AIH.
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Affiliation(s)
- Ting-Ting Chen
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Xiu-Qin Li
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Nan Li
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Ya-Ping Xu
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Yu-Han Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Zi-Ying Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Sheng-Nan Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Meng Qi
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Shi-Hao Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China.
| | - Hua Wang
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China.
| | - Wu-Yi Sun
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China.
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12
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Zhenyu L, Ying W, Zhuang T, Yongchao X, Kim J. Exercise-mediated macrophage polarization modulates the targeted therapeutic effect of NAFLD: a review. Phys Act Nutr 2023; 27:10-16. [PMID: 37946441 PMCID: PMC10636506 DOI: 10.20463/pan.2023.0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/29/2023] [Accepted: 08/27/2023] [Indexed: 11/12/2023] Open
Abstract
PURPOSE This review aims to explore the exercise-mediated hepatic macrophage polarization mechanism and its effect on improving and regulating non-alcoholic fatty liver disease (NAFLD) by analyzing the pathogenesis of NAFLD and the cause of the influence of hepatic macrophage polarization. In addition to exploring the varied effects of different exercise types on macrophage polarization regulation in NAFLD, to provide a direction and basis for the treatment of NAFLD. METHODS The research methodology involved a comprehensive search of the PubMed database using specific keywords such as "NAFLD", "macrophage polarization", and "exercise", to retrieve relevant literature published. RESULTS (1) The main factors inducing NAFLD were high-fat diet, obesity, insulin resistance (IR), changes in gut microbiota, and genetic variation in susceptibility. (2) Drug treatment, nutrient induction, microfactor induction, physiological environment induction, and other factors can induce the polarization of hepatic macrophages and affect NAFLD. (3) Different intensities, types, and frequencies of exercise have different effects on polarization macrophages, and may also differently effects improving liver inflammation, fibrosis, and NAFLD. Curently, regular moderate-intensity aerobic exercise is the most effective therapy for treating NAFLD. CONCLUSION Approaches to ameliorate NAFLD with exercise involve strategies to alter macrophage polarization by inhibiting M1 or driving M2 activation. However, research on the different types of exercise-mediated macrophage polarization mechanisms and differences in therapeutic effects is not yet sufficient. Future research is necessary to explore the exact mechanisms and differences in the effects of different exercises on the treatment of NAFLD.
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Affiliation(s)
- Li Zhenyu
- Department of Sport Science, Jeonbuk National University, Jeonju, Republic of Korea
| | - Wang Ying
- Department of Sport Science, Jeonbuk National University, Jeonju, Republic of Korea
| | - Tian Zhuang
- Department of Sport Science, Jeonbuk National University, Jeonju, Republic of Korea
| | - Xie Yongchao
- Department of Sport Science, Jeonbuk National University, Jeonju, Republic of Korea
| | - Jaecheol Kim
- Department of Sport Science, Jeonbuk National University, Jeonju, Republic of Korea
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13
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Petagine L, Zariwala MG, Patel VB. Non-alcoholic fatty liver disease: Immunological mechanisms and current treatments. World J Gastroenterol 2023; 29:4831-4850. [PMID: 37701135 PMCID: PMC10494768 DOI: 10.3748/wjg.v29.i32.4831] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/14/2023] [Accepted: 08/07/2023] [Indexed: 08/25/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) causes significant global disease burden and is a leading cause of mortality. NAFLD induces a myriad of aberrant changes in hepatocytes at both the cellular and molecular level. Although the disease spectrum of NAFLD is widely recognised, the precise triggers for disease progression are still to be fully elucidated. Furthermore, the propagation to cirrhosis is poorly understood. Whilst some progress in terms of treatment options have been explored, an incomplete understanding of the hepatic cellular and molecular alterations limits their clinical utility. We have therefore reviewed some of the key pathways responsible for the pathogenesis of NAFLD such as innate and adaptative immunity, lipotoxicity and fibrogenesis, and highlighted current trials and treatment options for NAFLD patients.
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Affiliation(s)
- Lucy Petagine
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
| | - Mohammed Gulrez Zariwala
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
| | - Vinood B Patel
- Centre for Nutraceuticals, School of Life Sciences, University of Westminster, London W1W6UW, United Kingdom
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14
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Convertini P, Santarsiero A, Todisco S, Gilio M, Palazzo D, Pappalardo I, Iacobazzi D, Frontuto M, Infantino V. ACLY as a modulator of liver cell functions and its role in Metabolic Dysfunction-Associated Steatohepatitis. J Transl Med 2023; 21:568. [PMID: 37620891 PMCID: PMC10463545 DOI: 10.1186/s12967-023-04431-w] [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: 05/08/2023] [Accepted: 08/11/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Non-alcoholic Fatty Liver Disease (NAFLD), now better known as Metabolic (Dysfunction)-Associated Fatty Liver Disease (MAFLD) and its progression to Nonalcoholic Steatohepatitis (NASH), more recently referred to as Metabolic (Dysfunction)-Associated Steatohepatitis (MASH) are the most common causes of liver failure and chronic liver damage. The new names emphasize the metabolic involvement both in relation to liver function and pathological features with extrahepatic manifestations. This study aims to explore the role of the immunometabolic enzyme ATP citrate lyase (ACLY), with a critical function in lipogenesis, carbohydrate metabolism, gene expression and inflammation. METHODS ACLY function was investigated in TNFα-triggered human hepatocytes and in PBMC-derived macrophages from MASH patients. Evaluation of expression levels was carried out by western blotting and/or RT-qPCR. In the presence or absence of ACLY inhibitors, ROS, lipid peroxidation and GSSG oxidative stress biomarkers were quantified. Chromatin immunoprecipitation (ChIP), transient transfections, immunocytochemistry, histone acetylation quantitation were used to investigate ACLY function in gene expression reprogramming. IL-6 and IL-1β were quantified by Lumit immunoassays. RESULTS Mechanistically, ACLY inhibition reverted lipid accumulation and oxidative damage while reduced secretion of inflammatory cytokines in TNFα-triggered human hepatocytes. These effects impacted not only on lipid metabolism but also on other crucial features of liver function such as redox status and production of inflammatory mediators. Moreover, ACLY mRNA levels together with those of malic enzyme 1 (ME1) increased in human PBMC-derived macrophages from MASH patients when compared to age-matched healthy controls. Remarkably, a combination of hydroxycitrate (HCA), the natural ACLY inhibitor, with red wine powder (RWP) significantly lowered ACLY and ME1 mRNA amount as well as IL-6 and IL-1β production in macrophages from subjects with MASH. CONCLUSION Collectively, our findings for the first time highlight a broad spectrum of ACLY functions in liver as well as in the pathogenesis of MASH and its diagnostic and therapeutic potential value.
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Affiliation(s)
- Paolo Convertini
- Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Anna Santarsiero
- Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Simona Todisco
- Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Michele Gilio
- Infectious Diseases Unit, San Carlo Hospital, Via Potito Petrone, 85100, Potenza, Italy
| | - Donatella Palazzo
- Infectious Diseases Unit, San Carlo Hospital, Via Potito Petrone, 85100, Potenza, Italy
| | - Ilaria Pappalardo
- Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Dominga Iacobazzi
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, BS2 8HW, UK
| | - Maria Frontuto
- Infectious Diseases Unit, San Carlo Hospital, Via Potito Petrone, 85100, Potenza, Italy
| | - Vittoria Infantino
- Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy.
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15
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Park SJ, Garcia Diaz J, Um E, Hahn YS. Major roles of kupffer cells and macrophages in NAFLD development. Front Endocrinol (Lausanne) 2023; 14:1150118. [PMID: 37274349 PMCID: PMC10235620 DOI: 10.3389/fendo.2023.1150118] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 05/09/2023] [Indexed: 06/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is an important public health problem with growing numbers of NAFLD patients worldwide. Pathological conditions are different in each stage of NAFLD due to various factors. Preclinical and clinical studies provide evidence for a crucial role of immune cells in NAFLD progression. Liver-resident macrophages, kupffer cells (KCs), and monocytes-derived macrophages are the key cell types involved in the progression of NAFLD, non-alcoholic steatohepatitis (NASH), and hepatocellular carcinoma (HCC). Their unique polarization contributes to the progression of NAFLD. KCs are phagocytes with self-renewal abilities and play a role in regulating and maintaining homeostasis. Upon liver damage, KCs are activated and colonized at the site of the damaged tissue. The secretion of inflammatory cytokines and chemokines by KCs play a pivotal role in initiating NAFLD pathogenesis. This review briefly describes the role of immune cells in the immune system in NAFLD, and focuses on the pathological role and molecular pathways of KCs and recruited macrophages. In addition, the relationship between macrophages and insulin resistance is described. Finally, the latest therapeutics that target KCs and macrophages are summarized for the prevention and treatment of NAFLD.
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Affiliation(s)
- Soo-Jeung Park
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Josefina Garcia Diaz
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, VA, United States
| | - Eugene Um
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
| | - Young S. Hahn
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, United States
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, VA, United States
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16
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Wang T, Desmet J, Pérez-Albaladejo E, Porte C. Development of fish liver PLHC-1 spheroids and its applicability to investigate the toxicity of plastic additives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115016. [PMID: 37196525 DOI: 10.1016/j.ecoenv.2023.115016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 05/19/2023]
Abstract
Fish liver cell lines are valuable tools to understand the toxicity of chemicals in aquatic vertebrates. While conventional 2D cell cultures grown in monolayers are well established, they fail to emulate toxic gradients and cellular functions as in in-vivo conditions. To overcome these limitations, this work focuses on the development of Poeciliopsis lucida (PLHC-1) spheroids as a testing platform to evaluate the toxicity of a mixture of plastic additives. The growth of spheroids was monitored over a period of 30 days, and spheroids 2-8 days old and sized between 150 and 250 µm were considered optimal for conducting toxicity tests due to their excellent viability and metabolic activity. Eight-day-old spheroids were selected for lipidomic characterization. Compared to 2D-cells, the lipidome of spheroids was relatively enriched in highly unsaturated phosphatidylcholines (PCs), sphingosines (SPBs), sphingomyelins (SMs) and cholesterol esters (CEs). When exposed to a mixture of plastic additives, spheroids were less responsive in terms of decreased cell viability and generation of reactive oxygen species (ROS), but were more sensitive than cells growing in monolayers for lipidomic responses. The lipid profile of 3D-spheroids was similar to a liver-like phenotype and it was strongly modulated by exposure to plastic additives. The development of PLHC-1 spheroids represents an important step towards the application of more realistic in-vitro methods in aquatic toxicity studies.
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Affiliation(s)
- Tiantian Wang
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain.
| | - Judith Desmet
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | | | - Cinta Porte
- Environmental Chemistry Department, IDAEA -CSIC-, C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
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17
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Atre R, Sharma R, Vadim G, Solanki K, Wadhonkar K, Singh N, Patidar P, Khabiya R, Samaur H, Banerjee S, Baig MS. The indispensability of macrophage adaptor proteins in chronic inflammatory diseases. Int Immunopharmacol 2023; 119:110176. [PMID: 37104916 DOI: 10.1016/j.intimp.2023.110176] [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: 02/25/2023] [Revised: 04/06/2023] [Accepted: 04/08/2023] [Indexed: 04/29/2023]
Abstract
Adaptor proteins represent key signalling molecules involved in regulating immune responses. The host's innate immune system recognizes pathogens via various surface and intracellular receptors. Adaptor molecules are centrally involved in different receptor-mediated signalling pathways, acting as bridges between the receptors and other molecules. The presence of adaptors in major signalling pathways involved in the pathogenesis of various chronic inflammatory diseases has drawn attention toward the role of these proteins in such diseases. In this review, we summarize the importance and roles of different adaptor molecules in macrophage-mediated signalling in various chronic disease states. We highlight the mechanistic roles of adaptors and how they are involved in protein-protein interactions (PPI) via different domains to carry out signalling. Hence, we also provide insights into how targeting these adaptor proteins can be a good therapeutic strategy against various chronic inflammatory diseases.
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Affiliation(s)
- Rajat Atre
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Rahul Sharma
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Gaponenko Vadim
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Kundan Solanki
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Khandu Wadhonkar
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Neha Singh
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Pramod Patidar
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Rakhi Khabiya
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India; School of Pharmacy, Devi Ahilya Vishwavidyalaya, Indore, India
| | - Harshita Samaur
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India
| | - Sreeparna Banerjee
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey.
| | - Mirza S Baig
- Department of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, India.
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18
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Chen KQ, Ke BY, Cheng L, Yu XQ, Wang ZB, Wang SZ. Research and progress of inflammasomes in nonalcoholic fatty liver disease. Int Immunopharmacol 2023; 118:110013. [PMID: 36931172 DOI: 10.1016/j.intimp.2023.110013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/08/2023] [Accepted: 03/06/2023] [Indexed: 03/17/2023]
Abstract
With the development of the social economy, unhealthy living habits and eating styles are gradually affecting people's health in recent years. As a chronic liver disease, NAFLD is deeply affected by unhealthy living habits and eating styles and has gradually become an increasingly serious public health problem. As a protein complex in clinical research, the inflammasomes play a crucial role in the development of NAFLD, atherosclerosis, and other diseases. This paper reviews the types, composition, characteristics of inflammasomes, and molecular mechanism of the inflammasome in NAFLD. Meanwhile, the paper reviews the drugs and non-drugs that target NLRP3 inflammasome in the treatment of NAFLD in the past decades. we also analyzed and summarized the related experimental models, mechanisms, and results of NAFLD. Although current therapeutic strategies for NAFLD are not effective, we expect that we will be able to find an appropriate treatment to address this problem in the future with further research on inflammasome.
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Affiliation(s)
- Ke-Qian Chen
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China
| | - Bo-Yi Ke
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China
| | - Lu Cheng
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China
| | - Xiao-Qing Yu
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China
| | - Zong-Bao Wang
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China
| | - Shu-Zhi Wang
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China; Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, China.
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19
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Raith M, Nguyen N, Kauffman SJ, Kang N, Mays J, Dalhaimer P. Obesity and inflammation influence pharmacokinetic profiles of PEG-based nanoparticles. J Control Release 2023; 355:434-445. [PMID: 36758834 PMCID: PMC10006354 DOI: 10.1016/j.jconrel.2023.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023]
Abstract
Most patients that will be treated with soft nanoparticles (NPs) will be obese. Yet, NP testing, which begins with pharmacokinetic (PK) and toxicity studies, is carried out almost exclusively in lean rodents having healthy livers and low inflammation. To address this knowledge gap, we determined the PK and toxicity of tail-vein-injected, PEG-based cylindrical nanoparticles (CNPs) and PEGylated liposomes (PLs) as a function of obesity, liver health, and inflammation in leptin-deficient ob/ob and wild-type C57BL/6 J mice. CNPs localized faster to obese livers than to healthy livers within 24 h of injection. PLs localized faster to obese livers than to healthy livers but only 30 min post-injection. Afterwards PL localization to lean livers was higher than localization to obese livers. Overall, PL liver signal peaked ∼6 h post-injection in lean mice, ∼24 h post-injection in heavy mice, and ∼ 48 h post-injection in obese mice. CNPs and PLs were non-toxic to mouse livers as assessed by histology; they reduced many cytokine and chemokine levels that were elevated by obesity. Liver macrophage depletion reduced CNP and PL liver localization as expected; liver sinusoidal endothelial cell (LSEC) depletion reduced PL liver localization but surprisingly increased CNP liver localization. The intensity of RAW264.7 macrophages was higher after CNP incubations than with PL incubations; conversely, the intensity of LSECs was higher after PL incubations than with CNP incubations. This shows the potential for key differences in NP-liver interactions. Triggering inflammation by administering lipopolysaccharide (LPS) to mice increased CNP liver localization but decreased PL liver localization. The results show that obesity and inflammation in a mouse model and in vitro affect soft PEG-based NP interaction with macrophages and LSECs, but also that these NPs can reduce pro-inflammatory pathways increased by obesity.
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Affiliation(s)
- Mitch Raith
- Department of Chemical and Biomolecular Engineering, Knoxville, TN 37996, United States of America
| | - Nicole Nguyen
- Department of Biochemistry, Cellular, and Molecular Biology, Knoxville, TN 37996, United States of America
| | - Sarah J Kauffman
- Department of Microbiology, Knoxville, TN 37996, United States of America
| | - Namgoo Kang
- Department of Chemistry, University of Tennessee, Knoxville, TN 37996, United States of America
| | - Jimmy Mays
- Department of Chemistry, University of Tennessee, Knoxville, TN 37996, United States of America
| | - Paul Dalhaimer
- Department of Chemical and Biomolecular Engineering, Knoxville, TN 37996, United States of America; Department of Biochemistry, Cellular, and Molecular Biology, Knoxville, TN 37996, United States of America.
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van Son KC, Verschuren L, Hanemaaijer R, Reeves H, Takkenberg RB, Drenth JPH, Tushuizen ME, Holleboom AG. Non-Parenchymal Cells and the Extracellular Matrix in Hepatocellular Carcinoma in Non-Alcoholic Fatty Liver Disease. Cancers (Basel) 2023; 15:1308. [PMID: 36831649 PMCID: PMC9954729 DOI: 10.3390/cancers15041308] [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: 12/23/2022] [Revised: 02/06/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Hepatocellular carcinoma (HCC) in the setting of non-alcoholic fatty liver disease (NAFLD)-related cirrhosis and even in the pre-cirrhotic state is increasing in incidence. NAFLD-related HCC has a poor clinical outcome as it is often advanced at diagnosis due to late diagnosis and systemic treatment response is poor due to reduced immune surveillance. Much of the focus of molecular research has been on the pathological changes in hepatocytes; however, immune cells, hepatic stellate cells, liver sinusoidal endothelial cells and the extracellular matrix may play important roles in the pathogenesis of NAFLD-related HCC as well. Here, we review the role of non-parenchymal cells in the liver in the pathogenesis of HCC in the context of NAFLD-NASH, with a particular focus on the innate and the adaptive immune system, fibrogenesis and angiogenesis. We review the key roles of macrophages, hepatic stellate cells (HSCs), T cells, natural killer (NK) cells, NKT cells and liver sinusoidal endothelial cells (LSECs) and the role of the extracellular matrix in hepatocarcinogenesis within the steatotic milieu.
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Affiliation(s)
- Koen C. van Son
- Department of Vascular and Internal Medicine, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
- Department of Gastroenterology and Hepatology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Lars Verschuren
- Department of Metabolic Health Research, Netherlands Organization for Applied Scientific Research, 2333 BE Leiden, The Netherlands
| | - Roeland Hanemaaijer
- Department of Metabolic Health Research, Netherlands Organization for Applied Scientific Research, 2333 BE Leiden, The Netherlands
| | - Helen Reeves
- Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne NE2 4HH, UK
| | - R. Bart Takkenberg
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
| | - Joost P. H. Drenth
- Department of Gastroenterology and Hepatology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Maarten E. Tushuizen
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Adriaan G. Holleboom
- Department of Vascular and Internal Medicine, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
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21
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Zhang T, Tian J, Fan J, Liu X, Wang R. Exercise training-attenuated insulin resistance and liver injury in elderly pre-diabetic patients correlates with NLRP3 inflammasome. Front Immunol 2023; 14:1082050. [PMID: 36817440 PMCID: PMC9929576 DOI: 10.3389/fimmu.2023.1082050] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/18/2023] [Indexed: 02/04/2023] Open
Abstract
Background Diabetes is one of the most common metabolic diseases and continues to be a leading cause of death worldwide. The NLRP3 inflammasome has been shown to exert detrimental effects on diabetic models. However, evidence linking NLRP3 inflammasome and pre-diabetes has been scarcely explored. Herein, we aimed to determine whether the NLRP3 inflammasome correlates with insulin resistance and liver pathology in a cohort of pre-diabetic subjects. Methods 50 pre-diabetic subjects were randomly assigned to a Pre-diabetes Control (DC, n=25) and a Pre-diabetes exercise (DEx, n=25) group. 25 Normal subjects (NC) were selected as controls. The DEx group performed a 6-month combined Yijingjing and resistance training intervention, while DC and NC group remained daily routines. Clinical metabolic parameters were determined with an automatic biochemistry analyzer; inflammatory cytokines were quantified by the ELISA assay; the protein expressions of NLRP3 inflammasome components in PBMCs were evaluated by Western Blot. Results The insulin resistance, liver injury and NLRP3 inflammasome activity were higher in pre-diabetic individuals than in normal control group. However, 6-month exercise intervention counteracted this trend, significantly improved insulin sensitivity, reduced liver injury and inhibited the overactivation of NLRP3 inflammasome in pre-diabetic subjects. Moreover, positive correlations between insulin resistance, liver pathology and NLRP3 inflammasome were also found. Conclusions Our study suggests that exercise training is an effective strategy to alleviate insulin resistance and liver injury in elderly pre-diabetic subjects which is probably associated with the inhibition of NLRP3 inflammasome activity.
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Affiliation(s)
- Tan Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Jingjing Tian
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Jingcheng Fan
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Xiangyun Liu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Ru Wang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
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22
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Zuo RM, Jiao JY, Chen N, Jiang XL, Wu YL, Nan JX, Lian LH. Carnosic acid suppressed the formation of NETs in alcoholic hepatosteatosis based on P2X7R-NLRP3 axis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 110:154599. [PMID: 36577209 DOI: 10.1016/j.phymed.2022.154599] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 11/24/2022] [Accepted: 12/10/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Alcoholic liver disease (ALD) is accompanied by a disruption of lipid metabolism and an inflammatory response in the liver during the process of disease. Carnosic acid (CA), a natural diterpene extracted from Rosmarinus officinalis (rosemary) and Salvia officinalis (sage), has more pharmacological activities, which is known to be useful in the treatment of obesity and acts by regulating energy metabolism. However, the role and regulation mechanism of CA against ALD remain unclear. HYPOTHESIS We hypothesized that CA might improve alcoholic-induced hepatosteatosis. STUDY DESIGN AND METHODS The alcoholic liver disease model was established a mouse chronic ethanol feeding by Lieber-DeCarli control liquid feed (10 d) plus a single binge with or without CA administration. AML12 cells were exposed to ethanol for 24 h. Murine peritoneal macrophages (MPM) were stimulated with LPS and ATP. RESULTS CA ameliorated lipid accumulation in the liver of mice in the NIAAA model, acting by inhibiting the expression of genes related to lipid synthesis. CA reduced alcohol-induced immune cell infiltration in the liver, and inhibited the activation of P2X7R-NLRP3 inflammasome, meanwhile blocked the formation of NETs in mouse livers tissue. In AML12 cells, CA attenuated the lipid accumulation triggered by ethanol stimulation, which was achieved by inhibiting the expression of SREBP1 and CA reduced the release of inflammatory factor IL-1β by inhibiting the activation of P2X7R-NLRP3. In MPM, IL-1β and HMGB1 were reduced after LPS/ATP stimulation in CA-treated cells and supernatant. CONCLUSIONS CA attenuated alcohol-induced fat accumulation, suppressed the formation of NETs based on P2X7R-NLRP3 axis in mouse livers. Our data indicated that CA exerted hepatoprotective effects, which might be a promising candidate.
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Affiliation(s)
- Rong-Mei Zuo
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China
| | - Jing-Ya Jiao
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China
| | - Nan Chen
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin 133002, China
| | - Xue-Li Jiang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China
| | - Yan-Ling Wu
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin 133002, China
| | - Ji-Xing Nan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin 133002, China.
| | - Li-Hua Lian
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, China; Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin 133002, China.
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Kouroumalis E, Tsomidis I, Voumvouraki A. Iron as a therapeutic target in chronic liver disease. World J Gastroenterol 2023; 29:616-655. [PMID: 36742167 PMCID: PMC9896614 DOI: 10.3748/wjg.v29.i4.616] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/03/2022] [Accepted: 12/31/2022] [Indexed: 01/20/2023] Open
Abstract
It was clearly realized more than 50 years ago that iron deposition in the liver may be a critical factor in the development and progression of liver disease. The recent clarification of ferroptosis as a specific form of regulated hepatocyte death different from apoptosis and the description of ferritinophagy as a specific variation of autophagy prompted detailed investigations on the association of iron and the liver. In this review, we will present a brief discussion of iron absorption and handling by the liver with emphasis on the role of liver macrophages and the significance of the iron regulators hepcidin, transferrin, and ferritin in iron homeostasis. The regulation of ferroptosis by endogenous and exogenous mod-ulators will be examined. Furthermore, the involvement of iron and ferroptosis in various liver diseases including alcoholic and non-alcoholic liver disease, chronic hepatitis B and C, liver fibrosis, and hepatocellular carcinoma (HCC) will be analyzed. Finally, experimental and clinical results following interventions to reduce iron deposition and the promising manipulation of ferroptosis will be presented. Most liver diseases will be benefited by ferroptosis inhibition using exogenous inhibitors with the notable exception of HCC, where induction of ferroptosis is the desired effect. Current evidence mostly stems from in vitro and in vivo experimental studies and the need for well-designed future clinical trials is warranted.
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Affiliation(s)
- Elias Kouroumalis
- Liver Research Laboratory, University of Crete Medical School, Heraklion 71003, Greece
| | - Ioannis Tsomidis
- First Department of Internal Medicine, AHEPA University Hospital, Thessaloniki 54621, Greece
| | - Argyro Voumvouraki
- First Department of Internal Medicine, AHEPA University Hospital, Thessaloniki 54621, Greece
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24
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Mechanisms of Action of Mesenchymal Stem Cells in Metabolic-Associated Fatty Liver Disease. Stem Cells Int 2023; 2023:3919002. [PMID: 36644008 PMCID: PMC9839417 DOI: 10.1155/2023/3919002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 11/15/2022] [Accepted: 12/09/2022] [Indexed: 01/09/2023] Open
Abstract
Metabolic-associated fatty liver disease (MAFLD) is currently the most common chronic liver disease worldwide. However, its pathophysiological mechanism is complicated, and currently, it has no FDA-approved pharmacological therapies. In recent years, mesenchymal stem cell (MSC) therapy has attracted increasing attention in the treatment of hepatic diseases. MSCs are multipotent stromal cells that originated from mesoderm mesenchyme, which have self-renewal and multipotent differentiation capability. Recent experiments and studies have found that MSCs have the latent capacity to be used for MAFLD treatment. MSCs have the potential to differentiate into hepatocytes, which could be induced into hepatocyte-like cells (HLCs) with liver-specific morphology and function under appropriate conditions to promote liver tissue regeneration. They can also reduce liver tissue injury and reverse the development of MAFLD by regulating immune response, antifibrotic activities, and lipid metabolism. Moreover, several advantages are attributed to MSC-derived exosomes (MSC-exosomes), such as targeted delivery, reliable reparability, and poor immunogenicity. After entering the target cells, MSC-exosomes help regulate cell function and signal transduction; thus, it is expected to become an emerging treatment for MAFLD. In this review, we comprehensively discussed the roles of MSCs in MAFLD, main signaling pathways of MSCs that affect MAFLD, and mechanisms of MSC-exosomes on MAFLD.
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25
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Wang X, Liu W, Zhang D, Jiao Y, Zhao Q, Liu Y, Shi W, Bao Y. Salvia miltiorrhiza polysaccharides alleviate florfenicol-induced inflammation and oxidative stress in chick livers by regulating phagosome signaling pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114428. [PMID: 36516627 DOI: 10.1016/j.ecoenv.2022.114428] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Florfenicol (FFC) is a commonly used antibiotic in animal breeding, especially in broiler breeding. Previous studies found that FFC could affect the liver function of chickens. However, the mechanisms underlying the effects of FFC on liver function are still not completely clear. Moreover, the research on drugs that antagonize FFC hepatotoxicity is relatively lacking. Salvia miltiorrhiza polysaccharides (SMPs) have been proved to have obvious liver protection effects. Therefore, we exposed chicks to FFC at the clinically recommended dose of 0.15 g/L. At the same time, 0.15 g/L FFC and 5 g/L SMPs were given to another group of chicks. After 5 days of continuous administration, the livers of chicks from different treatment groups were sequenced by transcriptome and proteome. Based on the analysis of sequencing data, we also focused on the detection of inflammation and oxidation indicators related to the phagosome signaling pathway with significant enrichment of differential factors in the livers of chicks. The results showed that some significantly differentially expressed genes and proteins induced by FFC were enriched in the phagosome signaling pathway, and they increased the expression levels of inflammatory factors and peroxides. However, SMPs intervention significantly reversed the tendency of FFC to alter phagosome signaling pathways and reduced the expression levels of inflammatory factors and peroxides. In conclusion, FFC caused liver inflammation and oxidative stress in chicks by regulating the phagosome signaling pathway. Meanwhile, SMPs could improve the adverse effects of FFC on the phagosome signaling pathway. This study provided new insights into the ameliorative effects and mechanisms of SMPs on hepatotoxicity of FFC.
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Affiliation(s)
- Xiao Wang
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Wei Liu
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Di Zhang
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Yulan Jiao
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China; Hebei Provincial Veterinary Biotechnology Innovation Center, Baoding 071000, China; Ringpu (Baoding) Biological Pharmaceutical Co., Ltd, Baoding 071031, China
| | - Qianhui Zhao
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Ying Liu
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China
| | - Wanyu Shi
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China; Hebei Provincial Veterinary Biotechnology Innovation Center, Baoding 071000, China; Hebei Provincial Traditional Chinese Veterinary Medicine Technology Innovation Center, Baoding 071000, China.
| | - Yongzhan Bao
- College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071000, China; Hebei Provincial Veterinary Biotechnology Innovation Center, Baoding 071000, China.
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Kolb H. Obese visceral fat tissue inflammation: from protective to detrimental? BMC Med 2022; 20:494. [PMID: 36575472 PMCID: PMC9795790 DOI: 10.1186/s12916-022-02672-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 11/21/2022] [Indexed: 12/28/2022] Open
Abstract
Obesity usually is accompanied by inflammation of fat tissue, with a prominent role of visceral fat. Chronic inflammation in obese fat tissue is of a lower grade than acute immune activation for clearing the tissue from an infectious agent. It is the loss of adipocyte metabolic homeostasis that causes activation of resident immune cells for supporting tissue functions and regaining homeostasis. Initially, the excess influx of lipids and glucose in the context of overnutrition is met by adipocyte growth and proliferation. Eventual lipid overload of hypertrophic adipocytes leads to endoplasmic reticulum stress and the secretion of a variety of signals causing increased sympathetic tone, lipolysis by adipocytes, lipid uptake by macrophages, matrix remodeling, angiogenesis, and immune cell activation. Pro-inflammatory signaling of adipocytes causes the resident immune system to release increased amounts of pro-inflammatory and other mediators resulting in enhanced tissue-protective responses. With chronic overnutrition, these protective actions are insufficient, and death of adipocytes as well as senescence of several tissue cell types is seen. This structural damage causes the expression or release of immunostimulatory cell components resulting in influx and activation of monocytes and many other immune cell types, with a contribution of stromal cells. Matrix remodeling and angiogenesis is further intensified as well as possibly detrimental fibrosis. The accumulation of senescent cells also may be detrimental via eventual spread of senescence state from affected to neighboring cells by the release of microRNA-containing vesicles. Obese visceral fat inflammation can be viewed as an initially protective response in order to cope with excess ambient nutrients and restore tissue homeostasis but may contribute to tissue damage at a later stage.
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Affiliation(s)
- Hubert Kolb
- Faculty of Medicine, University of Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany. .,West-German Centre of Diabetes and Health, Düsseldorf Catholic Hospital Group, Hohensandweg 37, 40591, Düsseldorf, Germany.
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27
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Khurana A, Navik U, Allawadhi P, Yadav P, Weiskirchen R. Spotlight on liver macrophages for halting liver disease progression and injury. Expert Opin Ther Targets 2022; 26:707-719. [PMID: 36202756 DOI: 10.1080/14728222.2022.2133699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
Abstract
INTRODUCTION Over the past two decades, understanding of hepatic macrophage biology has provided astounding details of their role in the progression and regression of liver diseases. The hepatic macrophages constitute resident macrophages, Kupffer cells, and circulating bone marrow monocyte-derived macrophages, which play a diverse role in liver injury and repair. Imbalance in the macrophage population leads to pathological consequences and is responsible for the initiation and progression of acute and chronic liver injuries. Further, distinct populations of hepatic macrophages and their high heterogeneity make their complex role enigmatic. The unique features of distinct phenotypes of macrophages have provided novel biomarkers for defining the stages of liver diseases. The distinct mechanisms of hepatic macrophages polarization and recruitment have been at the fore front of research. In addition, the secretome of hepatic macrophages and their immune regulation has provided clinically relevant therapeutic targets. AREAS COVERED Herein we have highlighted the current understanding in the area of hepatic macrophages, and their role in the progression of liver injury. EXPERT OPINION It is essential to ascertain the physiological and pathological role of evolutionarily conserved distinct macrophage phenotypes in different liver diseases before viable approaches may see a clinical translation.
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Affiliation(s)
- Amit Khurana
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH Aachen University Hospital, Pauwelsstr. 30, D-52074, Aachen, Germany
| | - Umashanker Navik
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda - 151401, Punjab, India
| | - Prince Allawadhi
- Department of Pharmacy, Vaish Institute of Pharmaceutical Education and Research (VIPER), Pandit Bhagwat Dayal Sharma University of Health Sciences (Pt. B. D. S. UHS), Rohtak - 124001, Haryana, India
| | - Poonam Yadav
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda - 151401, Punjab, India
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH Aachen University Hospital, Pauwelsstr. 30, D-52074, Aachen, Germany
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Hepatocyte-Derived Prostaglandin E2-Modulated Macrophage M1-Type Polarization via mTOR-NPC1 Axis-Regulated Cholesterol Transport from Lysosomes to the Endoplasmic Reticulum in Hepatitis B Virus x Protein-Related Nonalcoholic Steatohepatitis. Int J Mol Sci 2022; 23:ijms231911660. [PMID: 36232960 PMCID: PMC9569602 DOI: 10.3390/ijms231911660] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 11/17/2022] Open
Abstract
Lipid metabolic dysregulation and liver inflammation have been reported to be associated with nonalcoholic steatohepatitis (NASH), but the underlying mechanisms remain unclear. Hepatitis B virus x protein (HBx) is a risk factor for NASH. Based on metabolomic and transcriptomic screens and public database analysis, we found that HBx-expressing hepatocyte-derived prostaglandin E2 (PGE2) induced macrophage polarization imbalance via prostaglandin E2 receptor 4 (EP4) through in vitro, ex vivo, and in vivo models. Here, we revealed that the M1-type polarization of macrophages induced by endoplasmic reticulum oxidoreductase-1-like protein α (ERO1α)-dependent endoplasmic reticulum stress was associated with the HBx-related hepatic NASH phenotype. Mechanistically, HBx promoted Niemann-Pick type C1 (NPC1)/oxysterol-binding protein-related protein 5 (ORP5)-mediated cholesterol transport from the lysosome to the endoplasmic reticulum via mammalian target of rapamycin (mTOR) activation. This study provides a novel basis for screening potential biomarkers in the macrophage mTOR-cholesterol homeostasis-polarization regulatory signaling pathway and evaluating targeted interventions for HBx-associated NASH.
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29
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Yang K, Chen J, Zhang T, Yuan X, Ge A, Wang S, Xu H, Zeng L, Ge J. Efficacy and safety of dietary polyphenol supplementation in the treatment of non-alcoholic fatty liver disease: A systematic review and meta-analysis. Front Immunol 2022; 13:949746. [PMID: 36159792 PMCID: PMC9500378 DOI: 10.3389/fimmu.2022.949746] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 07/21/2022] [Indexed: 11/23/2022] Open
Abstract
Background Dietary polyphenol treatment of non-alcoholic fatty liver disease (NAFLD) is a novel direction, and the existing clinical studies have little effective evidence for its therapeutic effect, and some studies have inconsistent results. The effectiveness of dietary polyphenols in the treatment of NAFLD is still controversial. The aim of this study was to evaluate the therapeutic efficacy of oral dietary polyphenols in patients with NAFLD. Methods The literature (both Chinese and English) published before 30 April 2022 in PubMed, Cochrane, Medline, CNKI, and other databases on the treatment of NAFLD with dietary polyphenols was searched. Manual screening, quality assessment, and data extraction of search results were conducted strictly according to the inclusion and exclusion criteria. RevMan 5.3 software was used to perform the meta-analysis. Results The RCTs included in this study involved dietary supplementation with eight polyphenols (curcumin, resveratrol, naringenin, anthocyanin, hesperidin, catechin, silymarin, and genistein) and 2,173 participants. This systematic review and meta-analysis found that 1) curcumin may decrease body mass index (BMI), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT), Triglycerides (TG) total cholesterol (TC), and Homeostasis Model Assessment-Insulin Resistance (HOMA-IR) compared to placebo; and curcumin does not increase the occurrence of adverse events. 2) Although the meta-analysis results of all randomized controlled trials (RCTs) did not reveal significant positive changes, individual RCTs showed meaningful results. 3) Naringenin significantly decreased the percentage of NAFLD grade, TG, TC, and low-density lipoprotein cholesterol (LDL-C) and increased high-density lipoprotein cholesterol (HDL-C) but had no significant effect on AST and ALT, and it is a safe supplementation. 4) Only one team presents a protocol about anthocyanin (from Cornus mas L. fruit extract) in the treatment of NAFLD. 5) Hesperidin may decrease BMI, AST, ALT, TG, TC, HOMA-IR, and so on. 6) Catechin may decrease BMI, HOMA-IR, and TG level, and it was well tolerated by the patients. 7) Silymarin was effective in improving ALT and AST and reducing hepatic fat accumulation and liver stiffness in NAFLD patients. Conclusion Based on current evidence, curcumin can reduce BMI, TG, TC, liver enzymes, and insulin resistance; catechin can reduce BMI, insulin resistance, and TG effectively; silymarin can reduce liver enzymes. For resveratrol, naringenin, anthocyanin, hesperidin, and catechin, more RCTs are needed to further evaluate their efficacy and safety.
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Affiliation(s)
- Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Junpeng Chen
- School of Mechanical Engineering, Hunan University of Science and Technology, Xiangtan, China
| | - Tianqing Zhang
- The First Affiliated Hospital, Department of Cardiovascular Medicine, Hengyang Medical School, University of South China, Hengyang, China
| | - Xiao Yuan
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Anqi Ge
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shanshan Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Hao Xu
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Liuting Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jinwen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
- Hunan Academy of Chinese Medicine, Changsha, China
- *Correspondence: Jinwen Ge,
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30
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Yu S, Wang J, Zheng H, Wang R, Johnson N, Li T, Li P, Lin J, Li Y, Yan J, Zhang Y, Zhu Z, Ding X. Pathogenesis from Inflammation to Cancer in NASH-Derived HCC. J Hepatocell Carcinoma 2022; 9:855-867. [PMID: 36051860 PMCID: PMC9426868 DOI: 10.2147/jhc.s377768] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/17/2022] [Indexed: 11/30/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and one of the deadliest cancers worldwide. As opposed to the majority of patients with HCC, approximately 20–30% of cases of non-alcoholic steatohepatitis (NASH)-derived HCC develop malignant tumours in the absence of liver cirrhosis. NASH is characterized by metabolic dysregulation, chronic inflammation and cell death in the liver, which provide a favorable setting for the transformation of inflammation into cancer. This review aims to describe the pathogenesis and the underlying mechanism of the transition from inflammation to cancer in NASH.
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Affiliation(s)
- Simiao Yu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, People's Republic of China
| | - Jingxiao Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
| | - Haocheng Zheng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
| | - Ruilin Wang
- Department of Hepatology of Traditional Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, 100039, People's Republic of China
| | - Nadia Johnson
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, People's Republic of China
| | - Tao Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
| | - Ping Li
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, People's Republic of China
| | - Jie Lin
- National Institute of Traditional Chinese Medicine Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
| | - Yuan Li
- National Institute of Traditional Chinese Medicine Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
| | - Jin Yan
- Department of Hepatobiliary Surgery, The Fifth Medical Center of PLA General Hospital, Beijing, 100039, People's Republic of China
| | - Ying Zhang
- Department of Hepatobiliary Surgery, The Fifth Medical Center of PLA General Hospital, Beijing, 100039, People's Republic of China
| | - Zhenyu Zhu
- Department of Hepatobiliary Surgery, The Fifth Medical Center of PLA General Hospital, Beijing, 100039, People's Republic of China
| | - Xia Ding
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China.,Centre of Research for Traditional Chinese Medicine Digestive, Beijing University of Chinese Medicine, Beijing, 100029, People's Republic of China
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31
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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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