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Ren L, Yang H, Wang H, Qin S, Zhan X, Li H, Wei Z, Fang Z, Li Q, Liu T, Shi W, Zhao J, Li Z, Bai Z, Xu G, Zhao J. Tryptanthrin suppresses multiple inflammasome activation to regulate NASH progression by targeting ASC protein. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 131:155758. [PMID: 38843643 DOI: 10.1016/j.phymed.2024.155758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 05/11/2024] [Accepted: 05/17/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND The adaptor protein apoptosis-associated speck-like protein (ASC) containing a caspase recruitment domain (CARD) can be activated through pyrin domain (PYD) interactions between sensors and ASC, and through CARD interactions between caspase-1 and ASC. Although the majority of ternary inflammasome complexes depend on ASC, drugs targeting ASC protein remain scarce. After screening natural compounds from Isatidis Radixin, we found that tryptanthrin (TPR) could inhibit NLRP3-induced IL-1β and caspase-1 production, but the underlying anti-inflammatory mechanisms remain to be elucidated. PURPOSE The purpose of this study was to determine the impact of TPR on the NLRP3, NLRC4, and AIM2 inflammasomes and the underlying mechanisms. Additionally, the efficacy of TPR was analysed in the further course of methionine- and choline-deficient (MCD)-induced NASH and lipopolysaccharide (LPS)-induced sepsis models of mice. METHODS In vitro studies used bone marrow-derived macrophages to assess the anti-inflammatory activity of TPR, and the techniques included western blot, testing of intracellular K+ and Ca2+, immunofluorescence, enzyme-linked immunosorbent assay (ELISA), co-immunoprecipitation, ASC oligomerization assay, surface plasmon resonance (SPR), and molecular docking. We used LPS-induced sepsis models and MCD-induced NASH models in vivo to evaluate the effectiveness of TPR in inhibiting inflammatory diseases. RESULTS Our observations suggested that TPR could inhibit NLRP3, NLRC4, and AIM2 inflammasome activation. As shown in a mouse model of inflammatory diseases caused by MCD-induced NASH and LPS-induced sepsis, TPR significantly alleviated the progression of diseases. TPR interrupted the interactions between ASC and NLRP3/NLRC4/AIM2 in the co-immunoprecipitation experiment, and stable binding of TPR to ASC was also evident in SPR experiments. The underlying mechanisms of anti-inflammatory activities of TPR might be associated with targeting ASC, in particular, PYD domain of ASC. CONCLUSION In general, the requirement for ASC in multiple inflammasome complexes makes TPR, as a novel broad-spectrum inflammasome inhibitor, potentially useful for treating a wide range of multifactorial inflammasome-related diseases.
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Affiliation(s)
- Lutong Ren
- Department of Pharmacy, Inner Mongolia People's Hospital, Hohhot, China; Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Huijie Yang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Hongbo Wang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Shuanglin Qin
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Xiaoyan Zhan
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hui Li
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Ziying Wei
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Zhie Fang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Qiang Li
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Tingting Liu
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; The Third Affiliated Hospital of Zunyi Medical University (The First People's Hospital of Zunyi), Zunyi, China
| | - Wei Shi
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jia Zhao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhiyong Li
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Beijing, China
| | - Zhaofang Bai
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Beijing, China.
| | - Guang Xu
- China Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Chinese Medicine, Capital Medical University, Beijing, China.
| | - Jun Zhao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.
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Zheng Z, Yang S, Dai W, Xue P, Sun Y, Wang J, Zhang X, Lin J, Kong J. The role of pyroptosis in metabolism and metabolic disease. Biomed Pharmacother 2024; 176:116863. [PMID: 38850650 DOI: 10.1016/j.biopha.2024.116863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/27/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024] Open
Abstract
Pyroptosis is a lytic and pro-inflammatory form of regulated cell death characterized by the formation of membrane pores mediated by the gasdermin protein family. Two main activation pathways have been documented: the caspase-1-dependent canonical pathway and the caspase-4/5/11-dependent noncanonical pathway. Pyroptosis leads to cell swelling, lysis, and the subsequent release of inflammatory mediators, including interleukin-1β (IL-1β) and interleukin-18 (IL-18). Chronic inflammation is a well-established foundation and driver for the development of metabolic diseases. Conversely, metabolic pathway dysregulation can also induce cellular pyroptosis. Recent studies have highlighted the significant role of pyroptosis modulation in various metabolic diseases, including type 2 diabetes mellitus, obesity, and metabolic (dysfunction) associated fatty liver disease. These findings suggest that pyroptosis may serve as a promising novel therapeutic target for metabolic diseases. This paper reviews an in-depth study of the current advancements in understanding the role of pyroptosis in the progression of metabolic diseases.
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Affiliation(s)
- Zhuyuan Zheng
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Shaojie Yang
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Wanlin Dai
- Innovation Institute of China Medical University, Shenyang 110122, PR China
| | - Pengwei Xue
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Yang Sun
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Jingnan Wang
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Xiaolin Zhang
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Jiang Lin
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Jing Kong
- Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China.
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Singal AK, Shah VH, Malhi H. Emerging targets for therapy in ALD: Lessons from NASH. Hepatology 2024; 80:223-237. [PMID: 36938877 PMCID: PMC10511666 DOI: 10.1097/hep.0000000000000381] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/09/2023] [Indexed: 03/21/2023]
Abstract
Alcohol-associated liver disease due to harmful alcohol use and NAFLD associated with metabolic syndrome are the 2 most common liver diseases worldwide. Control of respective risk factors is the cornerstone in the long-term management of these diseases. Furthermore, there are no effective therapies. Both diseases are characterized by metabolic derangements; thus, the focus of this review was to broaden our understanding of metabolic targets investigated in NAFLD, and how these can be applied to alcohol-associated liver disease. Conserved pathogenic pathways such as dysregulated lipid metabolism, cell death pathways including apoptosis and activation of innate immune cells, and stellate cells mediate both alcohol and NAFLDs, resulting in histological abnormalities of steatosis, inflammation, fibrosis, and cirrhosis. However, pathways such as gut microbiome changes, glucose metabolism and insulin resistance, inflammatory signaling, and microRNA abnormalities are distinct in these 2 diseases. In this review article, we describe conserved and distinct pathogenic pathways highlighting therapeutic targets that may be of potential in both diseases and those that are unique to each disease.
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Affiliation(s)
- Ashwani K. Singal
- Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota, USA
- Division of Gastroenterology and Hepatology, Avera Transplant Institute, Sioux Falls, South Dakota, USA
- VA Medical Center, Sioux Falls, South Dakota, USA
| | - Vijay H. Shah
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Harmeet Malhi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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Qian S, Wang X, Chen Y, Zai Q, He Y. Inflammation in Steatotic Liver Diseases: Pathogenesis and Therapeutic Targets. Semin Liver Dis 2024. [PMID: 38838739 DOI: 10.1055/a-2338-9261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Alcohol-related liver disease (ALD) and metabolic dysfunction-associated steatotic liver disease (MASLD), two main types of steatotic liver disease (SLDs), are characterized by a wide spectrum of several different liver disorders, including simple steatosis, steatohepatitis, cirrhosis, and hepatocellular carcinoma. Multiple immune cell-mediated inflammatory responses not only orchestrate the killing and removal of infected/damaged cells but also exacerbate the development of SLDs when excessive or persistent inflammation occurs. In recent years, single-cell and spatial transcriptome analyses have revealed the heterogeneity of liver-infiltrated immune cells in ALD and MASLD, revealing a new immunopathological picture of SLDs. In this review, we will emphasize the roles of several key immune cells in the pathogenesis of ALD and MASLD and discuss inflammation-based approaches for effective SLD intervention. In conclusion, the study of immunological mechanisms, especially highly specific immune cell population functions, may provide novel therapeutic opportunities for this life-threatening disease.
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Affiliation(s)
- Shengying Qian
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaolin Wang
- Department of Infectious Diseases, Shanghai Jiao Tong University School of Medicine, Ruijin Hospital, Shanghai, China
| | - Yingfen Chen
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Qiuhong Zai
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yong He
- Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
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Wang Y, Gao Y, Shi H, Gao R, Yang J, Qu Y, Hu S, Zhang J, Wang J, Cao J, Zhang F, Ge J. CCL11 released by GSDMD-mediated macrophage pyroptosis regulates angiogenesis after hindlimb ischemia. Cell Death Discov 2024; 10:294. [PMID: 38906863 PMCID: PMC11192718 DOI: 10.1038/s41420-023-01764-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 12/02/2023] [Accepted: 12/06/2023] [Indexed: 06/23/2024] Open
Abstract
Peripheral vascular disease (PVD) is an emerging public health burden with a high rate of disability and mortality. Gasdermin D (GSDMD) has been reported to exert pyroptosis and play a critical role in the pathophysiology of many cardiovascular diseases. We ought to determine the role of GSDMD in the regulation of perfusion recovery after hindlimb ischemia (HLI). Our study revealed that GSDMD-mediated pyroptosis occurred in HLI. GSDMD deletion aggravated perfusion recovery and angiogenesis in vitro and in vivo. However, how GSDMD regulates angiogenesis after ischemic injury remains unclear. We then found that GSDMD-mediated pyroptosis exerted the angiogenic capacity in macrophages rather than endothelial cells after HLI. GSDMD deletion led to a lower level of CCL11 in mice serum. GSDMD knockdown in macrophages downregulated the expression and decreased the releasing level of CCL11. Furthermore, recombinant CCL11 improved endothelial functions and angiogenesis, which was attenuated by CCL11 antibody. Taken together, these results demonstrate that GSDMD promotes angiogenesis by releasing CCL11, thereby improving blood flow perfusion recovery after hindlimb ischemic injury. Therefore, CCL11 may be a novel target for prevention and treatment of vascular ischemic diseases.
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Affiliation(s)
- Yiwen Wang
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Yang Gao
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Huairui Shi
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Rifeng Gao
- Department of Cardiology, Shanghai Fifth People's Hospital, Fudan University, 200240, Shanghai, China
| | - Ji'e Yang
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Ya'nan Qu
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Shiyu Hu
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Jian Zhang
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Jingpu Wang
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Jiatian Cao
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China
| | - Feng Zhang
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.
| | - Junbo Ge
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.
- Key Laboratory of Viral Heart Diseases, National Health Commission, 200032, Shanghai, China.
- Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, 200032, Shanghai, China.
- National Clinical Research Center for Interventional Medicine, 200032, Shanghai, China.
- Institutes of Biomedical Sciences, Fudan University, 200032, Shanghai, China.
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Liao W, Li Y, Liu J, Mou Y, Zhao M, Liu J, Zhang T, Sun Q, Tang J, Wang Z. Homotherapy for heteropathy: therapeutic effect of Butein in NLRP3-driven diseases. Cell Commun Signal 2024; 22:315. [PMID: 38849890 PMCID: PMC11158000 DOI: 10.1186/s12964-024-01695-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 06/02/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND Aberrant inflammatory responses drive the initiation and progression of various diseases, and hyperactivation of NLRP3 inflammasome is a key pathogenetic mechanism. Pharmacological inhibitors of NLRP3 represent a potential therapy for treating these diseases but are not yet clinically available. The natural product butein has excellent anti-inflammatory activity, but its potential mechanisms remain to be investigated. In this study, we aimed to evaluate the ability of butein to block NLRP3 inflammasome activation and the ameliorative effects of butein on NLRP3-driven diseases. METHODS Lipopolysaccharide (LPS)-primed bone-marrow-derived macrophages were pretreated with butein and various inflammasome stimuli. Intracellular potassium levels, ASC oligomerization and reactive oxygen species production were also detected to evaluate the regulatory mechanisms of butein. Moreover, mouse models of LPS-induced peritonitis, dextran sodium sulfate-induced colitis, and high-fat diet-induced non-alcoholic steatohepatitis were used to test whether butein has protective effects on these NLRP3-driven diseases. RESULTS Butein blocks NLRP3 inflammasome activation in mouse macrophages by inhibiting ASC oligomerization, suppressing reactive oxygen species production, and upregulating the expression of the antioxidant pathway nuclear factor erythroid 2-related factor 2 (Nrf2). Importantly, in vivo experiments demonstrated that butein administration has a significant protective effect on the mouse models of LPS-induced peritonitis, dextran sodium sulfate-induced colitis, and high-fat diet-induced non-alcoholic steatohepatitis. CONCLUSION Our study illustrates the connotation of homotherapy for heteropathy, i.e., the application of butein to broaden therapeutic approaches and treat multiple inflammatory diseases driven by NLRP3.
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Affiliation(s)
- Wenhao Liao
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Yuchen Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Jingwen Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Yu Mou
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Mei Zhao
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Juan Liu
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Tianxin Zhang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Qin Sun
- National Traditional Chinese Medicine Clinical Research Base of the Affiliated Traditional Chinese Medicine, Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Jianyuan Tang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
| | - Zhilei Wang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
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Yang H, Li D, Gao G. Kaempferol Alleviates Hepatic Injury in Nonalcoholic Steatohepatitis (NASH) by Suppressing Neutrophil-Mediated NLRP3-ASC/TMS1-Caspase 3 Signaling. Molecules 2024; 29:2630. [PMID: 38893506 PMCID: PMC11173805 DOI: 10.3390/molecules29112630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a significant hepatic condition that has gained worldwide attention. Kaempferol (Kae), renowned for its diverse biological activities, including anti-inflammatory, antioxidant, anti-aging, and cardio-protective properties, has emerged as a potential therapeutic candidate for non-alcoholic steatohepatitis (NASH). Despite its promising therapeutic potential, the precise underlying mechanism of Kae's beneficial effects in NASH remains unclear. Therefore, this study aims to clarify the mechanism by conducting comprehensive in vivo and in vitro experiments. RESULTS In this study, a murine model of non-alcoholic steatohepatitis (NASH) was established by feeding C57BL/6 female mice a high-fat diet for 12 weeks. Kaempferol (Kae) was investigated for its ability to modulate systemic inflammatory responses and lipid metabolism in this model (20 mg/kg per day). Notably, Kae significantly reduced the expression of NLRP3-ASC/TMS1-Caspase 3, a crucial mediator of liver tissue inflammation. Additionally, in a HepG2 cell model induced with palmitic acid/oleic acid (PA/OA) to mimic NASH conditions, Kae demonstrated the capacity to decrease lipid droplet accumulation and downregulate the expression of NLRP3-ASC/TMS1-Caspase 3 (20 µM and the final concentration to 20 nM). These findings suggest that Kae may hold therapeutic potential in the treatment of NASH by targeting inflammatory and metabolic pathways. CONCLUSIONS These findings suggest that kaempferol holds potential as a promising therapeutic intervention for ameliorating non-alcoholic fatty liver disease (NAFLD).
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Affiliation(s)
- He Yang
- Medical School, University of Chinese Academy of Sciences, Beijing 101408, China
| | | | - Guolan Gao
- Medical School, University of Chinese Academy of Sciences, Beijing 101408, China
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Babuta M, Nagesh PT, Datta AA, Remotti V, Zhuang Y, Mehta J, Lami F, Wang Y, Szabo G. Combined Insults of a MASH Diet and Alcohol Binges Activate Intercellular Communication and Neutrophil Recruitment via the NLRP3-IL-1β Axis in the Liver. Cells 2024; 13:960. [PMID: 38891092 PMCID: PMC11171595 DOI: 10.3390/cells13110960] [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: 04/17/2024] [Revised: 05/16/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
Binge drinking in obese patients positively correlates with accelerated liver damage and liver-related death. However, the underlying mechanism and the effect of alcohol use on the progression of metabolic-dysfunction-associated steatotic liver disease (MASLD) remain unexplored. Here, we show that short-term feeding of a metabolic-dysfunction-associated steatohepatitis (MASH) diet plus daily acute alcohol binges for three days induce liver injury and activation of the NLRP3 inflammasome. We identify that a MASH diet plus acute alcohol binges promote liver inflammation via increased infiltration of monocyte-derived macrophages, neutrophil recruitment, and NET release in the liver. Our results suggest that both monocyte-derived macrophages and neutrophils are activated via NLRP3, while the administration of MCC950, an NLRP3 inhibitor, dampens these effects.In this study, we reveal important intercellular communication between hepatocytes and neutrophils. We discover that the MASH diet plus alcohol induces IL-1β via NLRP3 activation and that IL-1β acts on hepatocytes and promotes the production of CXCL1 and LCN2. In turn, the increase in these neutrophils recruits chemokines and causes further infiltration and activation of neutrophils in the liver. In vivo administration of the NLRP3 inhibitor, MCC950, improves the early phase of MetALD by preventing liver damage, steatosis, inflammation, and immune cells recruitment.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Gyongyi Szabo
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA; (M.B.)
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Lv T, Fan X, He C, Zhu S, Xiong X, Yan W, Liu M, Xu H, Shi R, He Q. SLC7A11-ROS/αKG-AMPK axis regulates liver inflammation through mitophagy and impairs liver fibrosis and NASH progression. Redox Biol 2024; 72:103159. [PMID: 38642501 PMCID: PMC11047786 DOI: 10.1016/j.redox.2024.103159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/10/2024] [Accepted: 04/13/2024] [Indexed: 04/22/2024] Open
Abstract
The changes of inflammation and metabolism are two features in nonalcoholic steatohepatitis (NASH). However, how they interact to regulate NASH progression remains largely unknown. Our works have demonstrated the importance of solute carrier family 7 member 11 (SLC7A11) in inflammation and metabolism. Nevertheless, whether SLC7A11 regulates NASH progression through mediating inflammation and metabolism is unclear. In this study, we found that SLC7A11 expression was increased in liver samples from patients with NASH. Upregulated SLC7A11 level was also detected in two murine NASH models. Functional studies showed that SLC7A11 knockdown or knockout had augmented steatohepatitis with suppression of inflammatory markers in mice. However, overexpression of SLC7A11 dramatically alleviated diet-induced NASH pathogenesis. Mechanically, SLC7A11 decreased reactive oxygen species (ROS) level and promoted α-ketoglutarate (αKG)/prolyl hydroxylase (PHD) activity, which activated AMPK pathway. Furthermore, SLC7A11 impaired expression of NLRP3 inflammasome components through AMPK-mitophagy axis. IL-1β release through NLRP3 inflammasome recruited myeloid cells and promoted hepatic stellate cells (HSCs) activation, which contributed to the progression of liver injury and fibrosis. Anti-IL-1β and anakinra might attenuate the hepatic inflammatory response evoked by SLC7A11 knockdown. Moreover, the upregulation of SLC7A11 in NASH was contributed by lipid overload-induced JNK-c-Jun pathway. In conclusions, SLC7A11 acts as a protective factor in controlling the development of NASH. Upregulation of SLC7A11 is protective by regulating oxidation, αKG and energy metabolism, decreasing inflammation and fibrosis.
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Affiliation(s)
- Tingting Lv
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; Department of Cancer Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu, 210009, China
| | - Xiude Fan
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Chang He
- Medical College, Nantong University, Nantong, Jiangsu, 226001, China
| | - Suwei Zhu
- Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Xiaofeng Xiong
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Wei Yan
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Mei Liu
- Department of Gastroenterology, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Hongwei Xu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
| | - Ruihua Shi
- Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu, 210009, China.
| | - Qin He
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu, 210009, China.
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Ni K, Meng L. Mechanism of PANoptosis in metabolic dysfunction-associated steatotic liver disease. Clin Res Hepatol Gastroenterol 2024; 48:102381. [PMID: 38821484 DOI: 10.1016/j.clinre.2024.102381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 06/02/2024]
Abstract
In recent years, the incidence of metabolic dysfunction-associated steatotic liver disease (MASLD) has been steadily rising, emerging as a major chronic liver disease of global concern. The course of MASLD is varied, spanning from MASLD to metabolic dysfunction associated steatohepatitis (MASH). MASH is an important contributor to cirrhosis, which may subsequently lead to hepatocellular carcinoma. It has been found that PANoptosis, an emerging inflammatory programmed cell death (PCD), is involved in the pathogenesis of MASLD and facilitates the development of NASH, eventually resulting in inflammatory fibrosis and hepatocyte death. This paper reviews the latest research progress on PANoptosis and MASLD to understand the mechanism of MASLD and provide new directions for future treatment and drug development.
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Affiliation(s)
- Keying Ni
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medical), Key Laboratory of Digestive Pathophysiology of Zhejiang Province, Hangzhou, China
| | - Lina Meng
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medical), Key Laboratory of Digestive Pathophysiology of Zhejiang Province, Hangzhou, China.
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11
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Babuta M, Morel C, de Carvalho Ribeiro M, Calenda C, Ortega-Ribera M, Thevkar Nagesh P, Copeland C, Zhuang Y, Wang Y, Cho Y, Joshi R, Brezani V, Hawryluk D, Datta AA, Mehta J, Nasser I, Szabo G. Neutrophil extracellular traps activate hepatic stellate cells and monocytes via NLRP3 sensing in alcohol-induced acceleration of MASH fibrosis. Gut 2024:gutjnl-2023-331447. [PMID: 38777573 DOI: 10.1136/gutjnl-2023-331447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 03/24/2024] [Indexed: 05/25/2024]
Abstract
OBJECTIVE Alcohol use in metabolic dysfunction-associated steatohepatitis (MASH) is associated with an increased risk of fibrosis and liver-related death. Here, we aimed to identify a mechanism through which repeated alcohol binges exacerbate liver injury in a high fat-cholesterol-sugar diet (MASH diet)-induced model of MASH. DESIGN C57BL/6 mice received either chow or the MASH diet for 3 months with or without weekly alcohol binges. Neutrophil infiltration, neutrophil extracellular traps (NETs) and fibrosis were evaluated. RESULTS We found that alcohol binges in MASH increase liver injury and fibrosis. Liver transcriptomic profiling revealed differential expression of genes involved in extracellular matrix reorganisation, neutrophil activation and inflammation compared with alcohol or the MASH diet alone. Alcohol binges specifically increased NET formation in MASH livers in mice, and NETs were also increased in human livers with MASH plus alcohol use. We discovered that cell-free NETs are sensed via Nod-like receptor protein 3 (NLRP3). Furthermore, we show that cell-free NETs in vitro induce a profibrotic phenotype in hepatic stellate cells (HSCs) and proinflammatory monocytes. In vivo, neutrophil depletion using anti-Ly6G antibody or NET disruption with deoxyribonuclease treatment abrogated monocyte and HSC activation and ameliorated liver damage and fibrosis. In vivo, inhibition of NLRP3 using MCC950 or NLRP3 deficiency attenuated NET formation, liver injury and fibrosis in MASH plus alcohol diet-fed mice (graphical abstract). CONCLUSION Alcohol binges promote liver fibrosis via NET-induced activation of HSCs and monocytes in MASH. Our study highlights the potential of inhibition of NETs and/or NLRP3, as novel therapeutic strategies to combat the profibrotic effects of alcohol in MASH.
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Affiliation(s)
- Mrigya Babuta
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Caroline Morel
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Marcelle de Carvalho Ribeiro
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Charles Calenda
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Martí Ortega-Ribera
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Prashanth Thevkar Nagesh
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher Copeland
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Yuan Zhuang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Yanbo Wang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Yeonhee Cho
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Radhika Joshi
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Viliam Brezani
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Danielle Hawryluk
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Aditi Ashish Datta
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Jeeval Mehta
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Imad Nasser
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Gyongyi Szabo
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
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12
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Wang K, Zhan HQ, Hu Y, Yuan ZY, Yang JF, Yang DS, Tao LS, Xu T. The role of interleukin-20 in liver disease: Functions, mechanisms and clinical applications. Heliyon 2024; 10:e29853. [PMID: 38699038 PMCID: PMC11064155 DOI: 10.1016/j.heliyon.2024.e29853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024] Open
Abstract
Liver disease is a severe public health concern worldwide. There is a close relationship between the liver and cytokines, and liver inflammation from a variety of causes leads to the release and activation of cytokines. The functions of cytokines are complex and variable, and are closely related to their cellular origin, target molecules and mode of action. Interleukin (IL)-20 has been studied as a pro-inflammatory cytokine that is expressed and regulated in some diseases. Furthermore, accumulating evidences has shown that IL-20 is highly expressed in clinical samples from patients with liver disease, promoting the production of pro-inflammatory molecules involved in liver disease progression, and antagonists of IL-20 can effectively inhibit liver injury and produce protective effects. This review highlights the potential of targeting IL-20 in liver diseases, elucidates the potential mechanisms of IL-20 inducing liver injury, and suggests multiple viable strategies to mitigate the pro-inflammatory response to IL-20. Genomic CRISPR/Cas9-based screens may be a feasible way to further explore the signaling pathways and regulation of IL-20 in liver diseases. Nanovector systems targeting IL-20 offer new possibilities for the treatment and prevention of liver diseases.
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Affiliation(s)
- Kun Wang
- School of Clinical Medicine, Anhui Medical University, Hefei, 230032, China
| | - He-Qin Zhan
- Department of Pathology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Ying Hu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Zhan-Yuan Yuan
- Department of Plastic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230032, China
| | - Jun-Fa Yang
- Department of orthopedics, Anhui Children's Hospital, Hefei, Anhui, 230032, China
| | - Da-Shuai Yang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Liang-Song Tao
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China
| | - Tao Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, 230032, China
- Institute for Liver Diseases of Anhui Medical University, Anhui Medical University, Hefei, 230032, China
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13
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Han S, Bian R, Chen Y, Liang J, Zhao P, Gu Y, Zhang D. Dysregulation of the Gut Microbiota Contributes to Sevoflurane-Induced Cognitive Dysfunction in Aged Mice by Activating the NLRP3 Inflammasome. Mol Neurobiol 2024:10.1007/s12035-024-04229-x. [PMID: 38740706 DOI: 10.1007/s12035-024-04229-x] [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: 01/05/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
Postoperative cognitive dysfunction (POCD), a common complication in elderly patients after surgery, seriously affects patients' quality of life. Long-term or repeated inhalation of sevoflurane can cause neuroinflammation, which is a risk factor for POCD. However, the underlying mechanism needs to be further explored. Recent research had revealed a correlation between neurological disorders and changes in the gut microbiota. Dysfunction of the gut microbiota is involved in the occurrence and development of central nervous system diseases. Here, we found that cognitive dysfunction in aged mice induced by sevoflurane exposure (3%, 2 hours daily, for 3 days) was related to gut microbiota dysbiosis, while probiotics improved cognitive function by alleviating dysbiosis. Sevoflurane caused a significant decrease in the abundance of Akkermansia (P<0.05), while probiotics restored the abundance of Akkermansia. Compared to those in the control group, sevoflurane significantly increased the expression of NLRP3 inflammasome-associated proteins in the gut and brain in the sevoflurane-exposed group, thus causing neuroinflammation and synaptic damage, which probiotics can mitigate (con vs. sev, P < 0.01; p+sev vs. sev, P < 0.05). In conclusion, for the first time, our study revealed that dysbiosis of the gut microbiota caused by sevoflurane anesthesia contributes to the NLRP3 inflammasome-mediated neuroinflammation and cognitive dysfunction from the perspective of the gut-brain axis. Perhaps postoperative cognitive impairment in elderly patients can be alleviated or even prevented by regulating the gut microbiota. This study provides new insights and methods for the prevention and treatment of cognitive impairment induced by sevoflurane.
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Affiliation(s)
- Shanshan Han
- Department of Anesthesiology, Wuxi Maternal and Child Health Care Hospital Affiliated to Jiangnan University, Wuxi, 214002, China
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
| | - Ruxi Bian
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
| | - Yuxuan Chen
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
| | - Junjie Liang
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
| | - Peng Zhao
- Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
| | - Yanfang Gu
- Department of Gynecology, Jiangnan University Affiliated Hospital, Wuxi, 214002, China.
| | - Dengxin Zhang
- Department of Anesthesiology, Wuxi Maternal and Child Health Care Hospital Affiliated to Jiangnan University, Wuxi, 214002, China.
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Ri-Wen, Yang YH, Zhang TN, Liu CF, Yang N. Targeting epigenetic and post-translational modifications regulating pyroptosis for the treatment of inflammatory diseases. Pharmacol Res 2024; 203:107182. [PMID: 38614373 DOI: 10.1016/j.phrs.2024.107182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
Inflammatory diseases, including infectious diseases, diabetes-related diseases, arthritis-related diseases, neurological diseases, digestive diseases, and tumor, continue to threaten human health and impose a significant financial burden despite advancements in clinical treatment. Pyroptosis, a pro-inflammatory programmed cell death pathway, plays an important role in the regulation of inflammation. Moderate pyroptosis contributes to the activation of native immunity, whereas excessive pyroptosis is associated with the occurrence and progression of inflammation. Pyroptosis is complicated and tightly controlled by various factors. Accumulating evidence has confirmed that epigenetic modifications and post-translational modifications (PTMs) play vital roles in the regulation of pyroptosis. Epigenetic modifications, which include DNA methylation and histone modifications (such as methylation and acetylation), and post-translational modifications (such as ubiquitination, phosphorylation, and acetylation) precisely manipulate gene expression and protein functions at the transcriptional and post-translational levels, respectively. In this review, we summarize the major pathways of pyroptosis and focus on the regulatory roles and mechanisms of epigenetic and post-translational modifications of pyroptotic components. We also illustrate these within pyroptosis-associated inflammatory diseases. In addition, we discuss the effects of novel therapeutic strategies targeting epigenetic and post-translational modifications on pyroptosis, and provide prospective insight into the regulation of pyroptosis for the treatment of inflammatory diseases.
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Affiliation(s)
- Ri-Wen
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yu-Hang Yang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Tie-Ning Zhang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Chun-Feng Liu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Ni Yang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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15
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Ye H, Wang K, Ma J, Cui S, Guo J, Yang K, Lyu L. SALVIANOLIC ACID A ATTENUATES ANGIOTENSIN II-INDUCED CARDIAC FIBROSIS THROUGH REGULATING THE TXNIP SIGNALING PATHWAY. Shock 2024; 61:748-757. [PMID: 38662612 DOI: 10.1097/shk.0000000000002344] [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: 05/01/2024]
Abstract
ABSTRACT Cardiac fibrosis, characterized by excessive collagen accumulation in heart tissues, poses a significant clinical challenge in various heart diseases and complications. Although salvianolic acid A (Sal A) from Danshen ( Salvia miltiorrhiza ) has shown promise in the treatment of ischemic heart disease, myocardial infarction, and atherosclerosis, its effects on cardiac fibrosis remain unexplored. Our study investigated the efficacy of Sal A in reducing cardiac fibrosis and elucidated its underlying molecular mechanisms. We observed that Sal A demonstrated significant cardioprotective effects against Angiotensin II (Ang II)-induced cardiac remodeling and fibrosis, showing a dose-dependent reduction in fibrosis in mice and suppression of cardiac fibroblast proliferation and fibrotic protein expression in vitro . RNA sequencing revealed that Sal A counteracted Ang II-induced upregulation of Txnip, and subsequent experiments indicated that it acts through the inflammasome and ROS pathways. These findings establish the antifibrotic effects of Sal A, notably attenuated by Txnip overexpression, and highlight its significant role in modulating inflammation and oxidative stress pathways. This underscores the importance of further research on Sal A and similar compounds, especially regarding their effects on inflammation and oxidative stress, which are key factors in various cardiovascular diseases.
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16
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Aggeletopoulou I, Tsounis EP, Triantos C. Vitamin D and Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): Novel Mechanistic Insights. Int J Mol Sci 2024; 25:4901. [PMID: 38732118 PMCID: PMC11084591 DOI: 10.3390/ijms25094901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is an increasingly prevalent condition characterized by abnormal fat accumulation in the liver, often associated with metabolic disorders. Emerging evidence suggests a potential link between vitamin D deficiency and the development and progression of MASLD. The current review provides a concise overview of recent studies uncovering novel mechanistic insights into the interplay between vitamin D and MASLD. Several epidemiological studies have highlighted a significant association between low vitamin D levels and an increased risk of MASLD. Vitamin D, traditionally known for its role in bone health, has now been recognized as a key player in various physiological processes, including immune regulation and inflammation. Experimental studies using animal models have demonstrated that vitamin D deficiency exacerbates liver steatosis and inflammation, suggesting a potential protective role against MASLD. Mechanistically, vitamin D appears to modulate MASLD through multiple pathways. Firstly, the vitamin D receptor (VDR) is abundantly expressed in liver cells, indicating a direct regulatory role in hepatic function. Activation of the VDR has been shown to suppress hepatic lipid accumulation and inflammation, providing a mechanistic basis for the observed protective effects. Additionally, vitamin D influences insulin sensitivity, a critical factor in MASLD pathogenesis. Improved insulin sensitivity may mitigate the excessive accumulation of fat in the liver, thus attenuating MASLD progression. In parallel, vitamin D exhibits anti-inflammatory properties by inhibiting pro-inflammatory cytokines implicated in MASLD pathophysiology. Experimental evidence suggests that the immunomodulatory effects of vitamin D extend to the liver, reducing inflammation and oxidative stress, key drivers of MASLD, and the likelihood of hepatocyte injury and fibrosis. Understanding the complex interplay between vitamin D and MASLD provides a basis for exploring targeted therapeutic strategies and preventive interventions. As vitamin D deficiency is a modifiable risk factor, addressing this nutritional concern may prove beneficial in mitigating the burden of MASLD and associated metabolic disorders.
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Affiliation(s)
| | | | - Christos Triantos
- Division of Gastroenterology, Department of Internal Medicine, University Hospital of Patras, 26504 Patras, Greece; (I.A.); (E.P.T.)
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Zhou H, Liu Y, Su Y, Ji P, Kong L, Sun R, Zhang D, Xu H, Li W, Li W. Ginsenoside Rg1 attenuates lipopolysaccharide-induced chronic liver damage by activating Nrf2 signaling and inhibiting inflammasomes in hepatic cells. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117794. [PMID: 38244950 DOI: 10.1016/j.jep.2024.117794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/09/2024] [Accepted: 01/18/2024] [Indexed: 01/22/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginseng (Panax ginseng C. A. Meyer) is a precious traditional Chinese medicine with multiple pharmacological effects. Ginsenoside Rg1 is a main active ingredient extracted from ginseng, which is known for its age-delaying and antioxidant effects. Increasing evidence indicates that Rg1 exhibits anti-inflammatory properties in numerous diseases and may ameliorate oxidative damage and inflammation in many chronic liver diseases. AIM OF THE STUDY Chronic inflammatory injury in liver cells is an important pathological basis of many liver diseases. However, its mechanism remains unclear and therapeutic strategies to prevent its development need to be further explored. Thus, our study is to delve the protective effect and mechanism of Rg1 against chronic hepatic inflammatory injuries induced by lipopolysaccharide (LPS). MATERIALS AND METHODS The chronic liver damage model in mice was build up by injecting intraperitoneally with LPS (200 μg/kg) for 21 days. Serum liver function indicators and levels of IL-1β, IL-6 and TNF-α were examined by using corresponding Kits. Hematoxylin and Eosin (H&E), Periodic acid-Schiff (PAS), and Masson stains were utilized to visualize hepatic histopathological damage, glycogen deposition, and liver fibrosis. The nuclear import of p-Nrf2 and the generation of Col4 in the liver were detected by IF, while IHC was employed to detect the expressions of NLRP3 and AIM2 in the hepatic. The Western blot and q-PCR were used to survey the expressions of proteins and mRNAs of fibrosis and apoptosis, and the expressions of Keap1, p-Nrf2 and NLRP3, NLRP1, AIM2 inflammasome-related proteins in mouse liver. The cell viability of human hepatocellular carcinoma cells (HepG2) was detected by Cell Counting Kit-8 to select the action concentration of LPS, and intracellular ROS generation was detected using a kit. The expressions of Nuclear Nrf2, HO-1, NQO1 and NLRP3, NLRP1, and AIM2 inflammasome-related proteins in HepG2 cells were detected by Western blot. Finally, the feasibility of the molecular interlinking between Rg1 and Nrf2 was demonstrated by molecular docking. RESULTS Rg1 treatment for 21 days decreased the levels of ALT, AST, and inflammatory factors of serum IL-1β, IL-6 and TNF-α in mice induced by LPS. Pathological results indicated that Rg1 treatment obviously alleviated hepatocellular injury and apoptosis, inflammatory cell infiltration and liver fibrosis in LPS stimulated mice. Rg1 promoted Keap1 degradation and enhanced the expressions of p-Nrf2, HO-1 and decreased the levels of NLRP1, NLRP3, AIM2, cleaved caspase-1, IL-1β and IL-6 in livers caused by LPS. Furthermore, Rg1 effectively suppressed the rise of ROS in HepG2 cells induced by LPS, whereas inhibition of Nrf2 reversed the role of Rg1 in reducing the production of ROS and NLRP3, NLRP1, and AIM2 expressions in LPS-stimulated HepG2 cells. Finally, the molecular docking illustrated that Rg1 exhibits a strong affinity towards Nrf2. CONCLUSION The findings indicate that Rg1 significantly ameliorates chronic liver damage and fibrosis induced by LPS. The mechanism may be mediated through promoting the dissociation of Nrf2 from Keap1 and then activating Nrf2 signaling and further inhibiting NLRP3, NLRP1, and AIM2 inflammasomes in liver cells.
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Affiliation(s)
- Huimin Zhou
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Yan Liu
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Yong Su
- Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei, 230032, Anhui, China
| | - Pengmin Ji
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Liangliang Kong
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Ran Sun
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Duoduo Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Hanyang Xu
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Weiping Li
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China.
| | - Weizu Li
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China.
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Tutusaus A, Sanduzzi-Zamparelli M, Boix L, Rider P, Subías S, García de Frutos P, Colell A, Marí M, Reig M, Morales A. Induction of the Inflammasome Pathway by Tyrosine Kinase Inhibitors Provides an Actionable Therapeutic Target for Hepatocellular Carcinoma. Cancers (Basel) 2024; 16:1491. [PMID: 38672578 PMCID: PMC11048610 DOI: 10.3390/cancers16081491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
During the last decade, tyrosine kinase inhibitors (TKIs) sorafenib and regorafenib have been standard systemic treatments for advanced hepatocellular carcinoma (HCC). Previous data associated sorafenib with inflammasome activation. However, the role of the inflammasome in sorafenib and regorafenib signaling has not been described in liver cancer patients. For this purpose, we analyzed inflammasome-related transcriptomic changes in a murine HCC model. Our data confirmed inflammasome activation after both TKI treatments, sharing a similar pattern of increased gene expression. According to human database results, transcriptional increase of inflammasome genes is associated with poorer prognosis for male liver cancer patients, suggesting a sex-dependent role for inflammasome activation in HCC therapy. In biopsies of HCC and its surrounding tissue, we detected durable increases in the inflammasome activation pattern after sorafenib or regorafenib treatment in male patients. Further supporting its involvement in sorafenib action, inflammasome inhibition (MCC950) enhanced sorafenib anticancer activity in experimental HCC models, while no direct in vitro effect was observed in HCC cell lines. Moreover, activated human THP-1 macrophages released IL-1β after sorafenib administration, while 3D Hep3B spheres displayed increased tumor growth after IL-1β addition, pointing to the liver microenvironment as a key player in inflammasome action. In summary, our results unveil the inflammasome pathway as an actionable target in sorafenib or regorafenib therapy and associate an inflammasome signature in HCC and surrounding tissue with TKI administration. Therefore, targeting inflammasome activation, principally in male patients, could help to overcome sorafenib or regorafenib resistance and enhance the efficacy of TKI treatments in HCC.
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Affiliation(s)
- Anna Tutusaus
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
- Barcelona Clinic Liver Cancer (BCLC) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.S.-Z.); (L.B.)
| | - Marco Sanduzzi-Zamparelli
- Barcelona Clinic Liver Cancer (BCLC) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.S.-Z.); (L.B.)
- Liver Unit, Hospital Clinic de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, CIBEREHD, ISCIII, 28029 Madrid, Spain
- Departament de Medicina, Facultat de Medicina, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Loreto Boix
- Barcelona Clinic Liver Cancer (BCLC) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.S.-Z.); (L.B.)
- Liver Unit, Hospital Clinic de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, CIBEREHD, ISCIII, 28029 Madrid, Spain
| | - Patricia Rider
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
- Departament de Biomedicina, Facultat de Medicina, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Silvia Subías
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
| | - Pablo García de Frutos
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
- Unidad Asociada (IMIM), IIBB-CSIC, 08036 Barcelona, Spain
- CIBERCV, ISCIII, 28029 Madrid, Spain
| | - Anna Colell
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativas (CIBERNED), ISCIII, 28029 Madrid, Spain
| | - Montserrat Marí
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
| | - María Reig
- Barcelona Clinic Liver Cancer (BCLC) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.S.-Z.); (L.B.)
- Liver Unit, Hospital Clinic de Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, CIBEREHD, ISCIII, 28029 Madrid, Spain
- Departament de Medicina, Facultat de Medicina, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Albert Morales
- Department of Cell Death and Proliferation, IIBB-CSIC, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (A.T.); (P.R.); (P.G.d.F.); (A.C.); (M.M.)
- Barcelona Clinic Liver Cancer (BCLC) Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.S.-Z.); (L.B.)
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Zhu C, Xu S, Jiang R, Yu Y, Bian J, Zou Z. The gasdermin family: emerging therapeutic targets in diseases. Signal Transduct Target Ther 2024; 9:87. [PMID: 38584157 PMCID: PMC10999458 DOI: 10.1038/s41392-024-01801-8] [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: 01/15/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
The gasdermin (GSDM) family has garnered significant attention for its pivotal role in immunity and disease as a key player in pyroptosis. This recently characterized class of pore-forming effector proteins is pivotal in orchestrating processes such as membrane permeabilization, pyroptosis, and the follow-up inflammatory response, which are crucial self-defense mechanisms against irritants and infections. GSDMs have been implicated in a range of diseases including, but not limited to, sepsis, viral infections, and cancer, either through involvement in pyroptosis or independently of this process. The regulation of GSDM-mediated pyroptosis is gaining recognition as a promising therapeutic strategy for the treatment of various diseases. Current strategies for inhibiting GSDMD primarily involve binding to GSDMD, blocking GSDMD cleavage or inhibiting GSDMD-N-terminal (NT) oligomerization, albeit with some off-target effects. In this review, we delve into the cutting-edge understanding of the interplay between GSDMs and pyroptosis, elucidate the activation mechanisms of GSDMs, explore their associations with a range of diseases, and discuss recent advancements and potential strategies for developing GSDMD inhibitors.
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Affiliation(s)
- Chenglong Zhu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China
| | - Ruoyu Jiang
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Yizhi Yu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China.
| | - Jinjun Bian
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
| | - Zui Zou
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China.
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20
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Wang Z, Qiu H, Yang Y, Zhang Y, Mou T, Zhang X, Zhang Y. Huanglian-Hongqu herb pair improves nonalcoholic fatty liver disease via NF-κB/NLRP3 pathway in mice: network pharmacology, molecular docking and experimental validation. Hereditas 2024; 161:12. [PMID: 38566171 PMCID: PMC10988798 DOI: 10.1186/s41065-024-00316-0] [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: 01/08/2024] [Accepted: 03/20/2024] [Indexed: 04/04/2024] Open
Abstract
The Huanglian-Hongqu herb pair (HH) is a carefully crafted traditional Chinese herbal compound designed to address disorders related to glucose and lipid metabolism. Its primary application lies in treating hyperlipidemia and fatty liver conditions. This study explored the potential mechanism of HH in treating non-alcoholic fatty liver disease (NAFLD) through network pharmacology, molecular docking, and in vivo animal experiments. Ultrahigh performanceliquid chromatography-quadrupole/orbitrapmass spectrometry (UPLC-Q-TOF-MS) was employed to identify the chemical composition of HH. Network pharmacology was used to analyze the related signaling pathways affected by HH. Subsequently, the prediction was verified by animal experiment. Finally, we identified 29 components within HH. Network pharmacology unveiled interactions between HH and 153 NAFLD-related targets, highlighting HH's potential to alleviate NAFLD through NF-κB signaling pathway. Molecular docking analyses illuminated the binding interactions between HH components and key regulatory proteins, including NF-κB, NLRP3, ASC, and Caspase-1. In vivo experiments demonstrated that HH alleviated NAFLD by reducing serum and liver lipid levels, improving liver function, and lowering inflammatory cytokine levels in the serum. Moreover, HH administration downregulated mRNA and protein levels of the NF-κB/NLRP3 pathway. In conclusion, our findings demonstrated that HH has potential therapeutic benefits in ameliorating NAFLD by targeting the NF-κB/NLRP3 pathway, facilitating the broader application of HH in the field of NAFLD.
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Affiliation(s)
- Zheng Wang
- College of Traditional Chinese Medicine and Health Service, Shanxi Datong University, Datong, China
| | - Hairong Qiu
- Department of Chinese Medicine, Medical School, Hubei Minzu University, Enshi, China
| | - Yang Yang
- Institute of Traditional Chinese Medicine, Sichuan Academy of Chinese Medicine Sciences, Chengdu, China
| | - Yueyu Zhang
- College of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Taiguo Mou
- College of Public health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaobo Zhang
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
- Traditional Chinese Medicine department, Chinese Medicine Hospital of Chenghua, Chengdu, China.
| | - Yong Zhang
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
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21
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Zhou Z, Shi L, Chen B, Qian H. Regulation of regulated cell death by extracellular vesicles in acute kidney injury and chronic kidney disease. Cytokine Growth Factor Rev 2024; 76:99-111. [PMID: 38182464 DOI: 10.1016/j.cytogfr.2023.12.006] [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: 12/04/2023] [Accepted: 12/28/2023] [Indexed: 01/07/2024]
Abstract
The imbalance between proliferation and death of kidney resident cells is a crucial factor in the development of acute or chronic renal dysfunction. Acute kidney injury (AKI) is often associated with the rapid loss of tubular epithelial cells (TECs). Sustained injury leads to the loss of glomerular endothelial cells (GECs) and podocytes, which is a key mechanism in the pathogenesis of glomerular diseases. This irreversible damage resulting from progressive cell loss eventually leads to deterioration of renal function characterized by glomerular compensatory hypertrophy, tubular degeneration, and renal fibrosis. Regulated cell death (RCD), which involves a cascade of gene expression events with tight structures, plays a certain role in regulating kidney health by determining the fate of kidney resident cells. Under pathological conditions, cells in the nephron have been demonstrated to constitutively release extracellular vesicles (EVs) which act as messengers that specifically interact with recipient cells to regulate their cell death process. For therapeutic intervention, exogenous EVs have exhibited great potential for the prevention and treatment of kidney disease by modulating RCD, with enhanced effects through engineering modification. Based on the functional role of EVs, this review comprehensively explores the regulation of RCD by EVs in AKI and chronic kidney disease (CKD), with emphasis on pathogenesis and therapeutic intervention.
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Affiliation(s)
- Zixuan Zhou
- Institute of Translational Medicine of Jiangsu University, Department of Urology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Linru Shi
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Binghai Chen
- Institute of Translational Medicine of Jiangsu University, Department of Urology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, Jiangsu, China
| | - Hui Qian
- Institute of Translational Medicine of Jiangsu University, Department of Urology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, Jiangsu, China; Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, China.
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22
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Mou Y, Liao W, Li Y, Wan L, Liu J, Luo X, Shen H, Sun Q, Wang J, Tang J, Wang Z. Glycyrrhizin and the Related Preparations: An Inspiring Resource for the Treatment of Liver Diseases. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2024; 52:315-354. [PMID: 38553799 DOI: 10.1142/s0192415x24500149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
Liver diseases and their related complications endanger the health of millions of people worldwide. The prevention and treatment of liver diseases are still serious challenges both in China and globally. With the improvement of living standards, the prevalence of metabolic liver diseases, including non-alcoholic fatty liver disease and alcoholic liver disease, has increased at an alarming rate, resulting in more cases of end-stage liver disease. Therefore, the discovery of novel therapeutic drugs for the treatment of liver diseases is urgently needed. Glycyrrhizin (GL), a triterpene glycoside from the roots of licorice plants, possesses a wide range of pharmacological and biological activities. Currently, GL preparations (GLPs) have certain advantages in the treatment of liver diseases, with good clinical effects and fewer adverse reactions, and have shown broad application prospects through multitargeting therapeutic mechanisms, including antisteatotic, anti-oxidative stress, anti-inflammatory, immunoregulatory, antifibrotic, anticancer, and drug interaction activities. This review summarizes the currently known biological activities of GLPs and their medical applications in the treatment of liver diseases, and highlights the potential of these preparations as promising therapeutic options and their alluring prospects for the treatment of liver diseases.
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Affiliation(s)
- Yu Mou
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Wenhao Liao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Yuchen Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
- Department of Laboratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Lina Wan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Jingwen Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Xialing Luo
- Department of Respiratory, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Hongping Shen
- National Traditional Chinese Medicine Clinical Research Base of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, P. R. China
| | - Qin Sun
- National Traditional Chinese Medicine Clinical Research Base of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, P. R. China
| | - Jing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
- Department of Obstetrics and Gynecology, Bishan Hospital of Traditional Chinese Medicine, Chongqing 402760, P. R. China
| | - Jianyuan Tang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
| | - Zhilei Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P. R. China
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Li W, Wang J, Tang C, Lv X, Zhu S. A Prospective Cohort Study of Elevated Serum NLRP1 Levels to Prognosticate Neurological Outcome After Acute Intracerebral Hemorrhage at a Single Academic Institution. Neuropsychiatr Dis Treat 2024; 20:737-753. [PMID: 38566883 PMCID: PMC10986417 DOI: 10.2147/ndt.s455049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 03/26/2024] [Indexed: 04/04/2024] Open
Abstract
Background Nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 1 (NLRP1) participates in neuroinflammation. This study aimed to identify serum NLRP as a potential prognostic biomarker of acute intracerebral hemorrhage (ICH). Methods This prospective cohort study enrolled 145 patients with supratentorial ICH and 51 healthy controls. Serum NLRP1 levels were quantified on admission of all 145 patients, on days 1, 3, 5, 7, and 10 after stroke in 51 of 145 patients and at entry into the study of controls. Poststroke 6-month modified Rankin Scale (mRS) scores of 3-6 signified a poor prognosis. Results Compared to controls, patients had prominently increased serum NLRP1 levels until day 10 after ICH, with the highest levels at days 1 and 3. Serum NLRP1 levels were independently correlated with National Institutes of Health Stroke Scale (NIHSS) scores, hematoma volume and six-month mRS scores, and independently predicted six-month bad prognosis. A linear relationship was observed between serum NLRP1 levels and the risk of poor prognosis in a restricted cubic spline. Under the receiver operating characteristic (ROC) curve, serum NLRP levels efficiently discriminated poor prognosis. Serum NLRP1, NIHSS, and hematoma volume were merged into a prognosis prediction model, which was portrayed using a nomogram. Good performance of the model was verified using calibration curve, decision curve, and ROC curve. Conclusion Serum NLRP1 levels are elevated during the early period following ICH and are independently related to hemorrhagic severity and poor prognosis, suggesting that serum NLRP1 may represent a promising prognostic biomarker of ICH.
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Affiliation(s)
- Wei Li
- Department of Neurosurgery, First People’s Hospital of Linping District, Hangzhou, People’s Republic of China
- Department of Neurosurgery, Linping Campus, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Jun Wang
- Department of Neurosurgery, First People’s Hospital of Linping District, Hangzhou, People’s Republic of China
- Department of Neurosurgery, Linping Campus, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Chao Tang
- Department of Neurosurgery, First People’s Hospital of Linping District, Hangzhou, People’s Republic of China
- Department of Neurosurgery, Linping Campus, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Xuan Lv
- Department of Neurosurgery, First People’s Hospital of Linping District, Hangzhou, People’s Republic of China
- Department of Neurosurgery, Linping Campus, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Suijun Zhu
- Department of Neurosurgery, First People’s Hospital of Linping District, Hangzhou, People’s Republic of China
- Department of Neurosurgery, Linping Campus, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
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Zhou XN, Zhang Q, Peng H, Qin YJ, Liu YH, Wang L, Cheng ML, Luo XH, Li H. Silent information regulator sirtuin 1 ameliorates acute liver failure via the p53/glutathione peroxidase 4/gasdermin D axis. World J Gastroenterol 2024; 30:1588-1608. [PMID: 38617450 PMCID: PMC11008418 DOI: 10.3748/wjg.v30.i11.1588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/20/2023] [Accepted: 02/18/2024] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND Acute liver failure (ALF) has a high mortality with widespread hepatocyte death involving ferroptosis and pyroptosis. The silent information regulator sirtuin 1 (SIRT1)-mediated deacetylation affects multiple biological processes, including cellular senescence, apoptosis, sugar and lipid metabolism, oxidative stress, and inflammation. AIM To investigate the association between ferroptosis and pyroptosis and the upstream regulatory mechanisms. METHODS This study included 30 patients with ALF and 30 healthy individuals who underwent serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) testing. C57BL/6 mice were also intraperitoneally pretreated with SIRT1, p53, or glutathione peroxidase 4 (GPX4) inducers and inhibitors and injected with lipopolysaccharide (LPS)/D-galactosamine (D-GalN) to induce ALF. Gasdermin D (GSDMD)-/- mice were used as an experimental group. Histological changes in liver tissue were monitored by hematoxylin and eosin staining. ALT, AST, glutathione, reactive oxygen species, and iron levels were measured using commercial kits. Ferroptosis- and pyroptosis-related protein and mRNA expression was detected by western blot and quantitative real-time polymerase chain reaction. SIRT1, p53, and GSDMD were assessed by immunofluorescence analysis. RESULTS Serum AST and ALT levels were elevated in patients with ALF. SIRT1, solute carrier family 7a member 11 (SLC7A11), and GPX4 protein expression was decreased and acetylated p5, p53, GSDMD, and acyl-CoA synthetase long-chain family member 4 (ACSL4) protein levels were elevated in human ALF liver tissue. In the p53 and ferroptosis inhibitor-treated and GSDMD-/- groups, serum interleukin (IL)-1β, tumour necrosis factor alpha, IL-6, IL-2 and C-C motif ligand 2 levels were decreased and hepatic impairment was mitigated. In mice with GSDMD knockout, p53 was reduced, GPX4 was increased, and ferroptotic events (depletion of SLC7A11, elevation of ACSL4, and iron accumulation) were detected. In vitro, knockdown of p53 and overexpression of GPX4 reduced AST and ALT levels, the cytostatic rate, and GSDMD expression, restoring SLC7A11 depletion. Moreover, SIRT1 agonist and overexpression of SIRT1 alleviated acute liver injury and decreased iron deposition compared with results in the model group, accompanied by reduced p53, GSDMD, and ACSL4, and increased SLC7A11 and GPX4. Inactivation of SIRT1 exacerbated ferroptotic and pyroptotic cell death and aggravated liver injury in LPS/D-GalN-induced in vitro and in vivo models. CONCLUSION SIRT1 activation attenuates LPS/D-GalN-induced ferroptosis and pyroptosis by inhibiting the p53/GPX4/GSDMD signaling pathway in ALF.
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Affiliation(s)
- Xing-Nian Zhou
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Quan Zhang
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Hong Peng
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
| | - Yu-Jie Qin
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yu-Hong Liu
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Lu Wang
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Ming-Liang Cheng
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Xin-Hua Luo
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
| | - Hong Li
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
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25
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Zhou L, Qiu X, Meng Z, Liu T, Chen Z, Zhang P, Kuang H, Pan T, Lu Y, Qi L, Olson DP, Xu XZS, Chen YE, Li S, Lin JD. Hepatic danger signaling triggers TREM2 + macrophage induction and drives steatohepatitis via MS4A7-dependent inflammasome activation. Sci Transl Med 2024; 16:eadk1866. [PMID: 38478630 DOI: 10.1126/scitranslmed.adk1866] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 02/16/2024] [Indexed: 05/15/2024]
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH), formerly known as nonalcoholic steatohepatitis (NASH), is an advanced stage of metabolic fatty liver disease. The pathogenic mechanisms of MASH center on hepatocyte injury and the ensuing immune response within the liver microenvironment. Recent work has implicated TREM2+ macrophages in various disease conditions, and substantial induction of TREM2+ NASH-associated macrophages (NAMs) serves as a hallmark of metabolic liver disease. Despite this, the mechanisms through which NAMs contribute to MASH pathogenesis remain poorly understood. Here, we identify membrane-spanning 4-domains a7 (MS4A7) as a NAM-specific pathogenic factor that exacerbates MASH progression in mice. Hepatic MS4A7 expression was strongly induced in mouse and human MASH and associated with the severity of liver injury. Whole-body and myeloid-specific ablation of Ms4a7 alleviated diet-induced MASH pathologies in male mice. We demonstrate that exposure to lipid droplets (LDs), released upon injury of steatotic hepatocytes, triggered NAM induction and exacerbated MASH-associated liver injury in an MS4A7-dependent manner. Mechanistically, MS4A7 drove NLRP3 inflammasome activation via direct physical interaction and shaped disease-associated cell states within the liver microenvironment. This work reveals the LD-MS4A7-NLRP3 inflammasome axis as a pathogenic driver of MASH progression and provides insights into the role of TREM2+ macrophages in disease pathogenesis.
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Affiliation(s)
- Linkang Zhou
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Xiaoxue Qiu
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Ziyi Meng
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Tongyu Liu
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Zhimin Chen
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Peng Zhang
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Henry Kuang
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Tong Pan
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - You Lu
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Ling Qi
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - David P Olson
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
- Division of Endocrinology, Department of Pediatrics, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - X Z Shawn Xu
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Molecular and Integrative Physiology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Y Eugene Chen
- Department of Internal Medicine, Frankel Cardiovascular Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Siming Li
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Jiandie D Lin
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
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Gu M, Chen YJ, Feng YR, Tang ZP. LanGui tea, an herbal medicine formula, protects against binge alcohol-induced acute liver injury by activating AMPK-NLRP3 signaling. Chin Med 2024; 19:41. [PMID: 38439080 PMCID: PMC10910869 DOI: 10.1186/s13020-024-00906-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/22/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND LanGui tea, a traditional Chinese medicine formulation comprising of Gynostemma pentaphyllum (Thunb.) Makino, Cinnamomum cassia (L.) J. Presl, and Ampelopsis grossedentata (Hand-Mazz) W.T. Wang, has yet to have its potential contributions to alcoholic liver disease (ALD) fully elucidated. Consequently, the objective of this research is to investigate the protective properties of LanGui tea against binge alcohol-induced ALD and the mechanisms underlying its effects. METHODS An experimental model of acute alcohol-induced liver disease was performed to assess the protective effects of extract of LanGui tea (ELG) at both 50 and 100 mg.kg-1 dosages on male C57BL/6 mice. Various parameters, including hepatic histological changes, inflammation, lipids content, as well as liver enzymes and interleukin 1β (IL-1β) in the serum were measured. The pharmacological mechanisms of ELG, specifically its effects on adenosine monophosphate-(AMP)-activated protein kinase (AMPK) and NLR family pyrin domain containing 3 (NLRP3) signaling, were investigated through Western blotting, qRT-PCR, ELISA, immunohistochemistry, immunofluorescence analyses, and by blocking the AMPK activity. RESULTS ELG demonstrated a mitigating effect on fatty liver, inflammation, and hepatic dysfunction within the mouse model. This effect was achieved by activating AMPK signaling and inhibitingNLRP3 signaling in the liver, causing a reduction in IL-1β generation. In vitro studies further confirmed that ELG inhibited cell damage and IL-1β production in ethanol-induced hepatocytes by enhancing AMPK-NLRP3 signaling. Conversely, the pharmacological inhibition of AMPK activity nearly abrogated such alteration. CONCLUSIONS Thus, LanGui tea emerges as a promising herbal therapy for ALD management involving AMPK-NLRP3 signaling.
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Affiliation(s)
- Ming Gu
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Yu-Jun Chen
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Ya-Ru Feng
- The Third People's Hospital Affiliated to Nantong University, Nantong, 226006, Jiangsu Province, China
| | - Zhi-Peng Tang
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
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Shi FL, Li Q, Xu R, Yuan LS, Chen Y, Shi ZJ, Li YP, Zhou ZY, Xu LH, Zha QB, Hu B, He XH, Ou-Yang DY. Blocking reverse electron transfer-mediated mitochondrial DNA oxidation rescues cells from PANoptosis. Acta Pharmacol Sin 2024; 45:594-608. [PMID: 37964019 PMCID: PMC10834539 DOI: 10.1038/s41401-023-01182-8] [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: 05/15/2023] [Accepted: 10/12/2023] [Indexed: 11/16/2023] Open
Abstract
PANoptosis is a new type of cell death featured with pyroptosis, apoptosis and necroptosis, and is implicated in organ injury and mortality in various inflammatory diseases, such as sepsis and hemophagocytic lymphohistiocytosis (HLH). Reverse electron transport (RET)-mediated mitochondrial reactive oxygen species (mtROS) has been shown to contribute to pyroptosis and necroptosis. In this study we investigated the roles of mtROS and RET in PANoptosis induced by TGF-β-activated kinase 1 (TAK1) inhibitor 5Z-7-oxozeaenol (Oxo) plus lipopolysaccharide (LPS) as well as the effects of anti-RET reagents on PANoptosis. We showed that pretreatment with anti-RET reagents 1-methoxy PMS (MPMS) or dimethyl fumarate (DMF) dose-dependently inhibited PANoptosis in macrophages BMDMs and J774A.1 cells induced by Oxo/LPS treatment assayed by propidium iodide (PI) staining. The three arms of the PANoptosis signaling pathway, namely pyroptosis, apoptosis and necroptosis signaling, as well as the formation of PANoptosomes were all inhibited by MPMS or DMF. We demonstrated that Oxo/LPS treatment induced RET and mtROS in BMDMs, which were reversed by MPMS or DMF pretreatment. Interestingly, the PANoptosome was co-located with mitochondria, in which the mitochondrial DNA was oxidized. MPMS and DMF fully blocked the mtROS production and the formation of PANoptosome induced by Oxo plus LPS treatment. An HLH mouse model was established by poly(I:C)/LPS challenge. Pretreatment with DMF (50 mg·kg-1·d-1, i.g. for 3 days) or MPMS (10 mg·kg-1·d-1, i.p. for 2 days) (DMF i.g. MPMS i.p.) effectively alleviated HLH lesions accompanied by decreased hallmarks of PANoptosis in the liver and kidney. Collectively, RET and mtDNA play crucial roles in PANoptosis induction and anti-RET reagents represent a novel class of PANoptosis inhibitors by blocking oxidation of mtDNA, highlighting their potential application in treating PANoptosis-related inflammatory diseases. PANoptotic stimulation induces reverse electron transport (RET) and reactive oxygen species (ROS) in mitochondia, while 1-methoxy PMS and dimethyl fumarate can inhibit PANoptosis by suppressing RETmediated oxidation of mitochondrial DNA.
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Affiliation(s)
- Fu-Li Shi
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Qing Li
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Rong Xu
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Li-Sha Yuan
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Ying Chen
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Zi-Jian Shi
- Department of Fetal Medicine, the First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Ya-Ping Li
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Zhi-Ya Zhou
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Li-Hui Xu
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Qing-Bing Zha
- Department of Fetal Medicine, the First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
- Department of Clinical Laboratory, the Fifth Affiliated Hospital of Jinan University, Heyuan, 517000, China
| | - Bo Hu
- Department of Nephrology, the First Affiliated Hospital of Jinan University, Guangzhou, 510630, China.
| | - Xian-Hui He
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
- Department of Clinical Laboratory, the Fifth Affiliated Hospital of Jinan University, Heyuan, 517000, China.
| | - Dong-Yun Ou-Yang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
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Wu Y, Zhou J, Zuo X, Kuang Y, Sun L, Zhang X. Yanggan Jiangmei Formula alleviates hepatic inflammation and lipid accumulation in non-alcoholic steatohepatitis by inhibiting the NF-κB/NLRP3 signaling pathway. Chin J Nat Med 2024; 22:224-234. [PMID: 38553190 DOI: 10.1016/s1875-5364(24)60595-9] [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: 05/23/2023] [Indexed: 04/02/2024]
Abstract
The role of NF-κB and the NLRP3 inflammasome in the chronic inflammatory microenvironment of non-alcoholic steatohepatitis (NASH) has been posited as crucial. The Yanggan Jiangmei Formula (YGJMF) has shown promise in ameliorating hepatic steatosis in NASH patients, yet its pharmacological mechanisms remain largely unexplored. This study was conducted to investigate the efficacy of YGJMF in NASH and to elucidate its pharmacological underpinnings. To simulate NASH both in vivo and in vitro, high-fat-diet (HFD) rats and HepG2 cells stimulated with free fatty acids (FFAs) were utilized. The severity of liver injury and lipid deposition was assessed using serum indicators, histopathological staining, micro-magnetic resonance imaging (MRI), and the liver-to-muscle signal intensity ratio (SIRL/M). Furthermore, a combination of enzyme-linked immunosorbent assay (ELISA), immunohistochemistry (IHC), immunofluorescence, real-time quantitative polymerase chain reaction (RT-qPCR), and Western blotting analyses was employed to investigate the NF-κB/NLRP3 signaling pathway and associated cytokine levels. The results from liver pathology, MRI assessments, and biochemical tests in rat models demonstrated YGJMF's significant effectiveness in reducing liver damage and lipid accumulation. Additionally, YGJMF markedly reduced hepatocyte inflammation by downregulating inflammatory cytokines in both liver tissue and serum. Furthermore, YGJMF was found to disrupt NF-κB activation, consequently inhibiting the assembly of the NLRP3 inflammasome in both the in vitro and in vivo models. The preliminary findings of this study suggest that YGJMF may alleviate hepatic steatosis and inhibit the NF-κB/NLRP3 signaling pathway, thereby exerting anti-inflammatory effects in NASH.
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Affiliation(s)
- Yuanyuan Wu
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China; The Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Jingwen Zhou
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xinchen Zuo
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China; The Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Yufeng Kuang
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China; The Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Lixia Sun
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210023, China; The Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China.
| | - Xiaolong Zhang
- The Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China.
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Liu S, Bi Y, Han T, Li YE, Wang Q, Wu NN, Xu C, Ge J, Hu R, Zhang Y. The E3 ubiquitin ligase MARCH2 protects against myocardial ischemia-reperfusion injury through inhibiting pyroptosis via negative regulation of PGAM5/MAVS/NLRP3 axis. Cell Discov 2024; 10:24. [PMID: 38409220 PMCID: PMC10897310 DOI: 10.1038/s41421-023-00622-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 09/12/2023] [Indexed: 02/28/2024] Open
Abstract
Inflammasome activation and pyroptotic cell death are known to contribute to the pathogenesis of cardiovascular diseases, such as myocardial ischemia-reperfusion (I/R) injury, although the underlying regulatory mechanisms remain poorly understood. Here we report that expression levels of the E3 ubiquitin ligase membrane-associated RING finger protein 2 (MARCH2) were elevated in ischemic human hearts or mouse hearts upon I/R injury. Genetic ablation of MARCH2 aggravated myocardial infarction and cardiac dysfunction upon myocardial I/R injury. Single-cell RNA-seq analysis suggested that loss of MARCH2 prompted activation of NLRP3 inflammasome in cardiomyocytes. Mechanistically, phosphoglycerate mutase 5 (PGAM5) was found to act as a novel regulator of MAVS-NLRP3 signaling by forming liquid-liquid phase separation condensates with MAVS and fostering the recruitment of NLRP3. MARCH2 directly interacts with PGAM5 to promote its K48-linked polyubiquitination and proteasomal degradation, resulting in reduced PGAM5-MAVS co-condensation, and consequently inhibition of NLRP3 inflammasome activation and cardiomyocyte pyroptosis. AAV-based re-introduction of MARCH2 significantly ameliorated I/R-induced mouse heart dysfunction. Altogether, our findings reveal a novel mechanism where MARCH2-mediated ubiquitination negatively regulates the PGAM5/MAVS/NLRP3 axis to protect against cardiomyocyte pyroptosis and myocardial I/R injury.
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Affiliation(s)
- Shuolin Liu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China
| | - Yaguang Bi
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China
| | - Tianting Han
- College of Basic Medicine, Shanghai Medical College, Fudan University, Shanghai, China
- State Key Laboratory of Molecular Biology, Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Yiran E Li
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China
| | - Qihang Wang
- College of Basic Medicine, Shanghai Medical College, Fudan University, Shanghai, China
- State Key Laboratory of Molecular Biology, Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Ne Natalie Wu
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China
| | - Chenguo Xu
- College of Basic Medicine, Shanghai Medical College, Fudan University, Shanghai, China
| | - Junbo Ge
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China.
| | - Ronggui Hu
- College of Basic Medicine, Shanghai Medical College, Fudan University, Shanghai, China.
- State Key Laboratory of Molecular Biology, Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China.
- University of Chinese Academy of Sciences, Beijing, China.
- School of Life Science, Hangzhou Institute for Advance Study, University of Chinese Academy of Sciences, Hangzhou, Zhejiang, China.
| | - Yingmei Zhang
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, National Clinical Research Center for Interventional Medicine, Key Laboratory of Viral Heart Diseases, National Health Commission. Key Laboratory of Viral Heart Diseases, Chinese Academy of Medical Sciences, Shanghai, China.
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30
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Kim MY, Jeong B, Lee GS, Jeon H, Yang YM, Yang H, Han YH. Panaxydol extracted from Panax ginseng inhibits NLRP3 inflammasome activation to ameliorate NASH-induced liver injury. Int Immunopharmacol 2024; 128:111565. [PMID: 38262161 DOI: 10.1016/j.intimp.2024.111565] [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: 10/28/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/25/2024]
Abstract
Activation of NOD-like receptor protein 3 (NLRP3) inflammasome exacerbates liver inflammation and fibrosis in nonalcoholic steatohepatitis (NASH), suggesting that development of inflammasome inhibitor can become leading candidate to ameliorate NASH. Panax ginseng (P. ginseng) contains numerous bioactive natural components to reduce inflammation. This study aims to identify inhibitory components of P. ginseng for NLRP3 inflammasome activation. We separated polar and non-polar fractions of P. ginseng and tested modulation of NLRP3 inflammasome, and then identified pure component for inflammasome inhibitor which ameliorates diet-induced NASH. Non-polar P. ginseng fractions obtained from ethyl acetate solvent attenuated IL-1β secretion and expression of active caspase-1. We revealed that panaxydol (PND) is pure component to inhibit NLRP3 inflammasome activation. PND blocked inflammasome cytokines release, pyroptotic cell death, caspase-1 activation and specking of inflammasome complex. Inhibitory effect of PND was specific to NLRP3-dependent pathway via potential interaction with ATP binding motif of NLRP3. Moreover, in vivo studies showed that PND plays beneficial roles to reduce tissue inflammations through disruption of NLRP3 inflammasome and to ameliorate the development of NASH. These results provide new insight of natural products, panaxydol, for NLRP3 inflammasome inhibitor and could offer potential therapeutic candidate for reliving NASH.
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Affiliation(s)
- Mi-Yeon Kim
- Laboratory of Pathology and Physiology, College of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea
| | - Birang Jeong
- Laboratory of Natural Products Chemistry, College of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea
| | - Geun-Shik Lee
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, South Korea
| | - Hongjun Jeon
- Therapeutics & Biotechnology Division, Korea Research Institute of Chemical Technology, Daejeon 34114, South Korea
| | - Yoon Mee Yang
- Multidimensional Genomics Research Center, Kangwon National University, Chuncheon 24341, South Korea; College of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea
| | - Heejung Yang
- Laboratory of Natural Products Chemistry, College of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea.
| | - Yong-Hyun Han
- Laboratory of Pathology and Physiology, College of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea; Multidimensional Genomics Research Center, Kangwon National University, Chuncheon 24341, South Korea.
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31
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Yi YS. MicroRNA-mediated epigenetic regulation of inflammasomes in inflammatory responses and immunopathologies. Semin Cell Dev Biol 2024; 154:227-238. [PMID: 36437174 DOI: 10.1016/j.semcdb.2022.11.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/18/2022] [Accepted: 11/19/2022] [Indexed: 11/27/2022]
Abstract
Inflammation represents the first-line defense mechanism of the host against pathogens and cellular stress. One of the most critical inflammatory responses is characterized by the activation of inflammasomes, intracellular multiprotein complexes that induce inflammatory signaling pathways in response to various pathogen-associated molecular patterns or danger-associated molecular patterns under physiological and pathological conditions. Inflammasomes are tightly regulated in normal cells, and dysregulation of these complexes is observed in various pathological conditions, especially inflammatory diseases and cancers. Epigenetic regulation has been suggested as a key mechanism in modulating inflammasome activity, and microRNAs (miRNAs) have been implicated in the post-transcriptional regulation of inflammasomes. Therefore, miRNA-mediated epigenetic regulation of inflammasomes in pathological conditions has received considerable attention, and current strategies for targeting inflammasomes have been shown to be effective in the treatment of diseases associated with inflammasome activation. This review summarizes recent studies suggesting the roles of miRNAs in the epigenetic control of inflammasomes and highlights the potential of miRNAs as a therapeutic tool for treating human diseases.
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Affiliation(s)
- Young-Su Yi
- Department of Life Sciences, Kyonggi University, Suwon 16227, South Korea.
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32
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Ortega-Ribera M, Zhuang Y, Brezani V, Thevkar Nagesh P, Joshi RS, Babuta M, Wang Y, Szabo G. G-CSF increases calprotectin expression, liver damage and neuroinflammation in a murine model of alcohol-induced ACLF. Front Cell Dev Biol 2024; 12:1347395. [PMID: 38419842 PMCID: PMC10899467 DOI: 10.3389/fcell.2024.1347395] [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: 11/30/2023] [Accepted: 01/23/2024] [Indexed: 03/02/2024] Open
Abstract
Background and aims: Granulocyte colony-stimulating factor (G-CSF) has been proposed as a therapeutic option for patients with ACLF, however clinical outcomes are controversial. We aimed at dissecting the role of G-CSF in an alcohol-induced murine model of ACLF. Methods: ACLF was triggered by a single alcohol binge (5 g/kg) in a bile duct ligation (BDL) liver fibrosis model. A subgroup of mice received two G-CSF (200 μg/kg) or vehicle injections prior to acute decompensation with alcohol. Liver, blood and brain tissues were assessed. Results: Alcohol binge administered to BDL-fibrotic mice resulted in features of ACLF indicated by a significant increase in liver damage and systemic inflammation compared to BDL alone. G-CSF treatment in ACLF mice induced an increase in liver regeneration and neutrophil infiltration in the liver compared to vehicle-treated ACLF mice. Moreover, liver-infiltrating neutrophils in G-CSF-treated mice exhibited an activated phenotype indicated by increased expression of CXC motif chemokine receptor 2, leukotriene B4 receptor 1, and calprotectin. In the liver, G-CSF triggered increased oxidative stress, type I interferon response, extracellular matrix remodeling and inflammasome activation. Circulating IL-1β was also increased after G-CSF treatment. In the cerebellum, G-CSF increased neutrophil infiltration and S100a8/9 expression, induced microglia proliferation and reactive astrocytes, which was accompanied by oxidative stress, and inflammasome activation compared to vehicle-treated ACLF mice. Conclusion: In our novel ACLF model triggered by alcohol binge that mimics ACLF pathophysiology, neutrophil infiltration and S100a8/9 expression in the liver and brain indicate increased tissue damage, accompanied by oxidative stress and inflammasome activation after G-CSF treatment.
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Affiliation(s)
- Martí Ortega-Ribera
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Yuan Zhuang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Veronika Brezani
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Prashanth Thevkar Nagesh
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Radhika S. Joshi
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Mrigya Babuta
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Yanbo Wang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Gyongyi Szabo
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
- Broad Institute, Cambridge, MA, United States
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Ni L, Chen D, Zhao Y, Ye R, Fang P. Unveiling the flames: macrophage pyroptosis and its crucial role in liver diseases. Front Immunol 2024; 15:1338125. [PMID: 38380334 PMCID: PMC10877142 DOI: 10.3389/fimmu.2024.1338125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/16/2024] [Indexed: 02/22/2024] Open
Abstract
Macrophages play a critical role in innate immunity, with approximately 90% of the total macrophage population in the human body residing in the liver. This population encompasses both resident and infiltrating macrophages. Recent studies highlight the pivotal role of liver macrophages in various aspects such as liver inflammation, regeneration, and immune regulation. A novel pro-inflammatory programmed cell death, pyroptosis, initially identified in macrophages, has garnered substantial attention since its discovery. Studies investigating pyroptosis and inflammation progression have particularly centered around macrophages. In liver diseases, pyroptosis plays an important role in driving the inflammatory response, facilitating the fibrotic process, and promoting tumor progression. Notably, the role of macrophage pyroptosis cannot be understated. This review primarily focuses on the role of macrophage pyroptosis in liver diseases. Additionally, it underscores the therapeutic potential inherent in targeting macrophage pyroptosis.
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Affiliation(s)
| | | | | | | | - Peng Fang
- Department of Infectious Diseases, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
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34
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Zhou S, Guo C, Dai Y, Pan X, Luo X, Qin P, Tan L. Association between polycyclic aromatic hydrocarbon exposure and liver function: The mediating roles of inflammation and oxidative stress. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 342:123068. [PMID: 38042471 DOI: 10.1016/j.envpol.2023.123068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/04/2023]
Abstract
Polycyclic aromatic hydrocarbon (PAH) exposure has been associated with adverse health effects, and accumulating evidence suggests that PAH exposure may impair liver function. However, the underlying mechanisms linking PAH exposure and liver function impairment remain unclear. This study aimed to explore the association between PAH exposure and liver function biomarkers, and the mediating effects of inflammation and oxidative stress. The cross-sectional study included 155 adults and their urinary PAH metabolites (OH-PAHs) were determined, and eight liver function biomarkers were measured in paired serum samples. A comprehensive statistical analysis investigated the linear, non-linear, individual, and joint effects of the association between urinary OH-PAHs and liver function biomarkers. The results indicated significant positive associations between urinary OH-PAH concentrations and liver function biomarker levels, suggesting that PAH exposure may adversely affect liver function. 2-hydroxyfluorene was identified as the individual metabolite contributing significantly to elevated gamma-glutamyl transferase levels. Further stratification by gender revealed that this association is more pronounced in males. Moreover, we observed significant mediation effects of the oxidative stress biomarker 8-hydroxy-2'-deoxyguanosine and the inflammatory biomarkers C-reactive protein and white blood cell count on this association. The physiological responses triggered by PAH exposure are mediated by inflammation, which serves as a link between oxidative stress, cellular injury, and elevated liver enzyme levels. The results demonstrated that increased inflammation and oxidative stress mediated the association between increased urinary OH-PAHs and elevated liver function biomarkers. The results contribute to a better understanding of the potential mechanisms underlying PAH exposure's hepatotoxic effects.
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Affiliation(s)
- Si Zhou
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Chongshan Guo
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Yingyi Dai
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China; School of Public Health, Southern Medical University, Guangzhou, 510515, China
| | - Xinhong Pan
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Xiaoyan Luo
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Pengzhe Qin
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Lei Tan
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China; School of Public Health, Southern Medical University, Guangzhou, 510515, China.
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35
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Chen C, Wang Q, Yang Z, Zuo S, Cao K, Li H. MULTIPLE MACHINE LEARNING METHODS AND COMPARATIVE TRANSCRIPTOMICS IDENTIFY PIVOTAL GENES FOR ISCHEMIA-REPERFUSION INJURY IN HUMAN DONOR TISSUE UNDERGOING ORTHOTOPIC LIVER TRANSPLANTATION. Shock 2024; 61:229-239. [PMID: 37878485 DOI: 10.1097/shk.0000000000002250] [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: 10/27/2023]
Abstract
ABSTRACT Background: Hepatic ischemia-reperfusion injury (HIRI) is a major complication affecting patient prognosis during the period after orthotopic liver transplantation (OLT). Although an increasing number of scientists have investigated the molecular biology of ischemia-reperfusion injury (IRI) during OLT in animal and cellular models in recent years, studies using comprehensive and high-quality sequencing results from human specimens to screen for key molecules are still lacking. Aims: The objective of this study is to explore the molecular biological pathways and key molecules associated with HIRI during OLT through RNA sequencing and related bioinformatics analysis techniques. Methods: The study was done by performing mRNA sequencing on liver tissue samples obtained from 15 cases of in situ liver transplantation patients who experienced ischemia and reperfusion injury within 1 year at Guizhou Medical University, and combined with bioinformatics analysis and machine learning methods, we identified the genes and transcription factors that are closely associated with IRI during in situ liver transplantation surgery. Results: There were 877 differentially expressed genes (DEGs) identified in the included liver samples, of which 817 DEGs were upregulated and 60 were downregulated. Functional enrichment analysis revealed significant enrichment of immune-related terms, such as inflammation, defense responses, responses to cytokines, immune system processes, and cellular activation. In addition, core gene enrichment analysis after cytoHubba screening suggested that liver reperfusion injury might be associated with translation-related elements as a pathway together with protein translation processes. Machine learning with the weighted correlation network analysis screening method identified PTGS2, IRF1, and CDKN1A as key genes in the reperfusion injury process. Conclusions: This study demonstrated that the pathways and genomes whose expression is altered throughout the reperfusion process might be critical for the progression of HIRI during OLT.
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Affiliation(s)
| | | | - Zhe Yang
- Department of Histology and Embryology, School of Basic Medicine, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Shi Zuo
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 550001 Guiyang, Guizhou, China
| | - Kun Cao
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 550001 Guiyang, Guizhou, China
| | - Haiyang Li
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 550001 Guiyang, Guizhou, China
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Le Y, Guo J, Liu Z, Liu J, Liu Y, Chen H, Qiu J, Wang C, Dou X, Lu D. Calenduloside E ameliorates non-alcoholic fatty liver disease via modulating a pyroptosis-dependent pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117239. [PMID: 37777027 DOI: 10.1016/j.jep.2023.117239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/14/2023] [Accepted: 09/27/2023] [Indexed: 10/02/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Non-alcoholic fatty liver disease (NAFLD) is a prevalent chronic liver condition that can have multiple underlying causes. There are no satisfactory chemical or biological drugs for the treatment of NAFLD. Longyasongmu, the bark and root of Aralia elata (Miq.) Seem, is used extensively in traditional Chinese medicine (TCM) and has been used in treating diverse liver diseases including NAFLD. Based on Aralia elata (Miq.) Seem as the main ingredient, Longya Gantai Capsules have been approved for use in China for the treatment of acute hepatitis and chronic hepatitis. Calenduloside E (CE), a natural pentacyclic triterpenoid saponin, is a significant component of saponin isolated from the bark and root of Aralia elata (Miq.) Seem. However, the role and mechanism of anti-NAFLD effects of CE is still unclear. AIM OF THE STUDY The objective of this study was to examine the potential mechanisms underlying the protective effect of CE on NAFLD. MATERIALS AND METHODS In this study, an NAFLD model was established by Western diet in apoE-/- mice, followed by treatment with various doses of CE (5 mg/kg, 10 mg/kg). The anti-NAFLD effect of CE was assessed by the liver injury, lipid accumulation, inflammation, and pro-fibrotic phenotype. The mechanism of CE in ameliorating NAFLD was studied through transcriptome sequencing (RNA-seq). In vitro, the mouse hepatocytes (AML-12) were stimulated in lipid mixtures with CE and performed the exploration and validation of the relevant pathways using Western blot, immunofluorescence, etc. RESULTS: The findings revealed a significant improvement in liver injury, lipid accumulation, inflammation, and pro-fibrotic phenotype upon CE administration. Furthermore, RNAseq analysis indicated that the primary pathway through which CE alleviates NAFLD involves pyroptosis-related inflammatory cascade pathways. Furthermore, it was observed that CE effectively suppressed inflammasome-mediated pyroptosis both in vivo and in vitro. Remarkably, the functional enrichment analysis of RNA-seq data revealed that the PI3K-Akt signaling pathway is the primarily Signaling transduction pathway modulated by CE treatment. Subsequent experimental outcomes provided further validation of CE's ability to hinder inflammasome-mediated pyroptosis through the inhibition of PI3K/AKT/NF-κB signaling pathway. CONCLUSIONS These findings present a novel pharmacological role of CE in exerting anti-NAFLD effects by inhibiting pyroptosis signaling pathways.
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Affiliation(s)
- Yifei Le
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Jianan Guo
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Zhijun Liu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Jing Liu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Ying Liu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Hang Chen
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Jiannan Qiu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Cui Wang
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Xiaobing Dou
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Dezhao Lu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
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Kanagal-Shamanna R, Beck DB, Calvo KR. Clonal Hematopoiesis, Inflammation, and Hematologic Malignancy. ANNUAL REVIEW OF PATHOLOGY 2024; 19:479-506. [PMID: 37832948 DOI: 10.1146/annurev-pathmechdis-051222-122724] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
Somatic or acquired mutations are postzygotic genetic variations that can occur within any tissue. These mutations accumulate during aging and have classically been linked to malignant processes. Tremendous advancements over the past years have led to a deeper understanding of the role of somatic mutations in benign and malignant age-related diseases. Here, we review the somatic mutations that accumulate in the blood and their connection to disease states, with a particular focus on inflammatory diseases and myelodysplastic syndrome. We include a definition of clonal hematopoiesis (CH) and an overview of the origins and implications of these mutations. In addition, we emphasize somatic disorders with overlapping inflammation and hematologic disease beyond CH, including paroxysmal nocturnal hemoglobinuria and aplastic anemia, focusing on VEXAS (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic) syndrome. Finally, we provide a practical view of the implications of somatic mutations in clinical hematology, pathology, and beyond.
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Affiliation(s)
- Rashmi Kanagal-Shamanna
- Department of Hematopathology and Molecular Diagnostics, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - David B Beck
- Center for Human Genetics and Genomics, New York University Grossman School of Medicine, New York, New York, USA
- Department of Medicine, New York University Grossman School of Medicine, New York, New York, USA
| | - Katherine R Calvo
- Hematology Section, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland, USA;
- Myeloid Malignancies Program, National Institutes of Health, Bethesda, Maryland, USA
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Wang J, Liu Q, Zhou Y, Cao C, Chen P, Meng G, Zhang J, Xin X, Huang G, Wu Y. Hepatitis B virus-mediated sodium influx contributes to hepatic inflammation via synergism with intrahepatic danger signals. iScience 2024; 27:108723. [PMID: 38283328 PMCID: PMC10819783 DOI: 10.1016/j.isci.2023.108723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/03/2023] [Accepted: 12/11/2023] [Indexed: 01/30/2024] Open
Abstract
The NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome has been involved in the pathogenesis of various chronic liver diseases. However, its role in hepatitis B virus (HBV)-associated hepatitis remains unknown. Here we demonstrate the synergistic effect of HBV with potential intrahepatic danger signals on NLRP3 inflammasome activation. HBV exposure at the appropriate temporal points enhances potassium efflux-dependent NLRP3 inflammasome activation in macrophages and also increases NLRP3 inflammasome-mediated inflammation in HBV-transgenic mouse model. HBV-mediated synergism with intrahepatic signals represented by ATP molecules on NLRP3 activation was observed via relevance analysis, confocal microscopy, and co-immunoprecipitation, and its effector cytokines exhibit positive associations with hepatic inflammation in patients with severe hepatitis B. Furthermore, the synergism of HBV on NLRP3 inflammasome activation owes to increased sodium influx into macrophages. Our data demonstrate that HBV contributes to hepatic inflammation via sodium influx-dependent synergistic activation of NLRP3 inflammasome, which provides a deeper understanding of immune pathogenesis in HBV-associated hepatitis.
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Affiliation(s)
- Jingxue Wang
- Department of Immunology, Army Medical University, Chongqing, P.R. China
| | - Qian Liu
- Department of Clinical Laboratory Medicine, Southwest Hospital, Army Medical University, Chongqing, P.R. China
| | - Yiwen Zhou
- Department of Immunology, Army Medical University, Chongqing, P.R. China
| | - Chunhao Cao
- Department of Integrated Traditional Chinese and Western Medicine, The First Affiliate Hospital of Chongqing Medical University, Chongqing, P.R. China
| | - Penghui Chen
- Department of Neurobiology, Army Medical University, Chongqing, P.R. China
| | - Gang Meng
- Department of Pathology, Southwest Hospital, Army Medical University, Chongqing, P.R. China
| | - Ji Zhang
- Department of Immunology, Army Medical University, Chongqing, P.R. China
| | - Xiaojuan Xin
- Department of Infectious Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, P.R. China
| | - Guangyu Huang
- Department of Infectious Diseases, The Fourth Affiliated Hospital Zhejiang University School of Medicine, Yiwu, Zhejiang, P.R. China
| | - Yuzhang Wu
- Department of Immunology, Army Medical University, Chongqing, P.R. China
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Liu J, Zhou J, Luan Y, Li X, Meng X, Liao W, Tang J, Wang Z. cGAS-STING, inflammasomes and pyroptosis: an overview of crosstalk mechanism of activation and regulation. Cell Commun Signal 2024; 22:22. [PMID: 38195584 PMCID: PMC10775518 DOI: 10.1186/s12964-023-01466-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/28/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND Intracellular DNA-sensing pathway cGAS-STING, inflammasomes and pyroptosis act as critical natural immune signaling axes for microbial infection, chronic inflammation, cancer progression and organ degeneration, but the mechanism and regulation of the crosstalk network remain unclear. Cellular stress disrupts mitochondrial homeostasis, facilitates the opening of mitochondrial permeability transition pore and the leakage of mitochondrial DNA to cell membrane, triggers inflammatory responses by activating cGAS-STING signaling, and subsequently induces inflammasomes activation and the onset of pyroptosis. Meanwhile, the inflammasome-associated protein caspase-1, Gasdermin D, the CARD domain of ASC and the potassium channel are involved in regulating cGAS-STING pathway. Importantly, this crosstalk network has a cascade amplification effect that exacerbates the immuno-inflammatory response, worsening the pathological process of inflammatory and autoimmune diseases. Given the importance of this crosstalk network of cGAS-STING, inflammasomes and pyroptosis in the regulation of innate immunity, it is emerging as a new avenue to explore the mechanisms of multiple disease pathogenesis. Therefore, efforts to define strategies to selectively modulate cGAS-STING, inflammasomes and pyroptosis in different disease settings have been or are ongoing. In this review, we will describe how this mechanistic understanding is driving possible therapeutics targeting this crosstalk network, focusing on the interacting or regulatory proteins, pathways, and a regulatory mitochondrial hub between cGAS-STING, inflammasomes, and pyroptosis. SHORT CONCLUSION This review aims to provide insight into the critical roles and regulatory mechanisms of the crosstalk network of cGAS-STING, inflammasomes and pyroptosis, and to highlight some promising directions for future research and intervention.
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Affiliation(s)
- Jingwen Liu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Jing Zhou
- The Second Hospital of Ningbo, Ningbo, 315099, China
| | - Yuling Luan
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xiaoying Li
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200080, China
| | - Xiangrui Meng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Wenhao Liao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Jianyuan Tang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
| | - Zheilei Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
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Zhang S, Li M, Chang L, Mao X, Jiang Y, Shen X, Niu K, Lu X, Zhang R, Song Y, Ma K, Li H, Wei C, Hou Y, Wu Y. Bazi Bushen capsule improves the deterioration of the intestinal barrier function by inhibiting NLRP3 inflammasome-mediated pyroptosis through microbiota-gut-brain axis. Front Microbiol 2024; 14:1320202. [PMID: 38260869 PMCID: PMC10801200 DOI: 10.3389/fmicb.2023.1320202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Purpose The senescence-accelerated prone mouse 8 (SAMP8) is a widely used model for accelerating aging, especially in central aging. Mounting evidence indicates that the microbiota-gut-brain axis may be involved in the pathogenesis and progression of central aging-related diseases. This study aims to investigate whether Bazi Bushen capsule (BZBS) attenuates the deterioration of the intestinal function in the central aging animal model. Methods In our study, the SAMP8 mice were randomly divided into the model group, the BZ-low group (0.5 g/kg/d BZBS), the BZ-high group (1 g/kg/d BZBS) and the RAPA group (2 mg/kg/d rapamycin). Age-matched SAMR1 mice were used as the control group. Next, cognitive function was detected through Nissl staining and two-photon microscopy. The gut microbiota composition of fecal samples was analyzed by 16S rRNA gene sequencing. The Ileum tissue morphology was observed by hematoxylin and eosin staining, and the intestinal barrier function was observed by immunofluorescence. The expression of senescence-associated secretory phenotype (SASP) factors, including P53, TNF-α, NF-κB, IL-4, IL-6, and IL-10 was measured by real-time quantitative PCR. Macrophage infiltration and the proliferation and differentiation of intestinal cells were assessed by immunohistochemistry. We also detected the inflammasome and pyroptosis levels in ileum tissue by western blotting. Results BZBS improved the cognitive function and neuronal density of SAMP8 mice. BZBS also restored the intestinal villus structure and barrier function, which were damaged in SAMP8 mice. BZBS reduced the expression of SASP factors and the infiltration of macrophages in the ileum tissues, indicating a lower level of inflammation. BZBS enhanced the proliferation and differentiation of intestinal cells, which are essential for maintaining intestinal homeostasis. BZBS modulated the gut microbiota composition, by which BZBS inhibited the activation of inflammasomes and pyroptosis in the intestine. Conclusion BZBS could restore the dysbiosis of the gut microbiota and prevent the deterioration of intestinal barrier function by inhibiting NLRP3 inflammasome-mediated pyroptosis. These results suggested that BZBS attenuated the cognitive aging of SAMP8 mice, at least partially, by targeting the microbiota-gut-brain axis.
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Affiliation(s)
- Shixiong Zhang
- College of Traditional Chinese Medicine, College of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Mengnan Li
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
| | - Liping Chang
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
| | - Xinjing Mao
- College of Traditional Chinese Medicine, College of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Yuning Jiang
- College of Traditional Chinese Medicine, College of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Xiaogang Shen
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Kunxu Niu
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Xuan Lu
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Runtao Zhang
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Yahui Song
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Kun Ma
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
- High-level TCM Key Disciplines of National Administration of Traditional Chinese Medicine—Luobing Theory, Shijiazhuang, China
| | - Hongrong Li
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
| | - Cong Wei
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
- Key Laboratory of State Administration of TCM (Cardio-Cerebral Vessel Collateral Disease), Shijiazhuang, China
| | - Yunlong Hou
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
| | - Yiling Wu
- College of Traditional Chinese Medicine, College of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- National Key Laboratory for Innovation and Transformation of Luobing Theory, Shijiazhuang, China
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Shao BZ, Jiang JJ, Zhao YC, Zheng XR, Xi N, Zhao GR, Huang XW, Wang SL. Neutrophil extracellular traps in central nervous system (CNS) diseases. PeerJ 2024; 12:e16465. [PMID: 38188146 PMCID: PMC10771765 DOI: 10.7717/peerj.16465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 10/24/2023] [Indexed: 01/09/2024] Open
Abstract
Excessive induction of inflammatory and immune responses is widely considered as one of vital factors contributing to the pathogenesis and progression of central nervous system (CNS) diseases. Neutrophils are well-studied members of inflammatory and immune cell family, contributing to the innate and adaptive immunity. Neutrophil-released neutrophil extracellular traps (NETs) play an important role in the regulation of various kinds of diseases, including CNS diseases. In this review, current knowledge on the biological features of NETs will be introduced. In addition, the role of NETs in several popular and well-studied CNS diseases including cerebral stroke, Alzheimer's disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS), and neurological cancers will be described and discussed through the reviewing of previous related studies.
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Affiliation(s)
- Bo-Zong Shao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | | | - Yi-Cheng Zhao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Xiao-Rui Zheng
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Na Xi
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Guan-Ren Zhao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
| | - Xiao-Wu Huang
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
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Liu SJ, Guo BD, Gao QH, Deng YJ, Yan B, Zeng Y, Zhao M, Ren K, Wang F, Guo J. Ursolic acid alleviates chronic prostatitis via regulating NLRP3 inflammasome-mediated Caspase-1/GSDMD pyroptosis pathway. Phytother Res 2024; 38:82-97. [PMID: 37807970 DOI: 10.1002/ptr.8034] [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: 04/11/2023] [Revised: 09/15/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023]
Abstract
Ursolic acid (UA) is a naturally occurring pentacyclic triterpenoid widely found in fruits and vegetables. It has been reported that UA has anti-inflammatory effects. However, its efficacy and mechanism of action in the treatment of chronic prostatitis (CP) remain unclear. This study aimed to investigate the efficacy of UA treatment in CP and further explore the underlying mechanism. CP rat and pyroptosis cell models were established in vivo and in vitro, respectively. The efficacy of UA in inhibiting CP was evaluated via haematoxylin-eosin (HE) staining and measurement of inflammatory cytokines. RNA sequencing and molecular docking were used to predict the therapeutic targets of UA in CP. The expression of pyroptosis-related proteins was examined using various techniques, including immunohistochemistry, immunofluorescence, and flow cytometry. UA significantly ameliorated pathological damage and reduced the levels of proinflammatory cytokines in the CP model rats. RNA sequencing analysis and molecular docking suggested that NLRP3, Caspase-1, and GSDMD may be key targets. We also found that UA decreased ROS levels, alleviated oxidative stress, and inhibited p-NF-κB protein expression both in vivo and in vitro. UA improved pyroptosis morphology as indicated by electron microscope and inhibited the expression of the pyroptosis-related proteins NLRP3, Caspase-1, ASC, and GSDMD, reversed the levels of IL-1β, IL-18, and lactate dehydrogenase in vivo and in vitro. UA can mitigate CP by regulating the NLRP3 inflammasome-mediated Caspase-1/GSDMD pathway. Therefore, UA may be a potential for the treatment of CP.
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Affiliation(s)
- Sheng-Jing Liu
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Bo-da Guo
- Department of Urology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qing-He Gao
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying-Jun Deng
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Bin Yan
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yin Zeng
- Department of Andrology, Beijing Chinese Medicine Hospital affiliated to Capital Medical University, Beijing, China
| | - Ming Zhao
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Kai Ren
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Fu Wang
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Jun Guo
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
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Fang ZE, Wang Y, Bian S, Qin S, Zhao H, Wen J, Liu T, Ren L, Li Q, Shi W, Zhao J, Yang H, Peng R, Wang Q, Bai Z, Xu G. Helenine blocks NLRP3 activation by disrupting the NEK7-NLRP3 interaction and ameliorates inflammatory diseases. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 122:155159. [PMID: 37931457 DOI: 10.1016/j.phymed.2023.155159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 09/19/2023] [Accepted: 10/19/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND The involvement of NLRP3 inflammasome is associated with the progress of numerous inflammatory conditions. However, there is currently no single compound used in the clinic. Search for the inhibitor of NLRP3 inflammasome from natural products is an attractive direction. The compound Helenin (Hel), which is obtained from Inula helenium L., is reported to have anti-inflammatory activities. However, the underlying molecular mechanisms and specific inflammatory signal pathway remains not well understood. PURPOSE This research aims to determine the impacts of Hel on NLRP3 inflammasome and the underlying mechanism involved, meanwhile also assessing its potential as a therapeutic intervention for inflammatory diseases mediated by NLRP3 overactivation. METHODS Pretreated with Hel in BMDMs (bone marrow-derived macrophages), then stimulated with NLRP3 triggers and measured the expression of active caspase-1 and interleukin 1β (IL-1β). Determination of intracellular K+ and Ca2+, ASC oligomerization and mitochondrial reactive oxygen species (mtROS) production were employed to explore the preliminary mechanism of Hel on NLRP3 activation. Subsequently, Co-immunoprecipitation was used to investigate protein-protein interaction and reduction of covalent bonds of Hel was to explore the binding mode between drugs and proteins. Finally, in vivo experiments, we utilized mouse lethal sepsis and monosodium urate(MSU)-induced peritonitis models to evaluate the effectiveness of Hel in inhibiting inflammatory diseases. RESULTS The findings revealed that Hel exhibited a specific blocking effect on NLRP3, with no impact on the assembly of NLRC4 and AIM2 inflammasome. Through the analysis of mechanisms targeting key upstream factors in NLRP3 activation, Hel inhibited NLRP3-dependent ASC oligomerization but did not regulating inflammasome priming, K+ efflux, Ca2+ influx, or mitochondrial damage and mtROS. Moreover, Hel effectively interrupted the binding of NEK7-NLRP3, which was dependent on the active double C=C of the α,β-unsaturated carbonyl units in Hel. In mouse models, Hel showed promising therapeutic effects in the treatment of NLRP3 overactivation-associated diseases, including the lethal sepsis and acute systemic inflammation induced by lipopolysaccharide (LPS) and peritonitis induced by MSU. CONCLUSION Our results indicate that Hel dependent α,β-unsaturated carbonyl units interrupt the formation of the NLRP3-NEK7 interaction, thereby blocks the inflammasome assemblage and activation. These fundings would suggest that Hel is a promising inhibitor for treating diseases driven by NLRP3 overactivation.
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Affiliation(s)
- Zhi-E Fang
- Department of Pharmacy, Chongqing Hospital of Traditional Chinese Medicine, Chongqing 400021, China; Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Yan Wang
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100105, China
| | - Shuyi Bian
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Shuanglin Qin
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China; School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Huanying Zhao
- Core Facilities Center, Capital Medical University, Beijing, 100069, China
| | - Jincai Wen
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Tingting Liu
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Lutong Ren
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Qiang Li
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Wei Shi
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Jia Zhao
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Huijie Yang
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - Rui Peng
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Qin Wang
- Department of Pharmacy, Chongqing Hospital of Traditional Chinese Medicine, Chongqing 400021, China.
| | - Zhaofang Bai
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, China.
| | - Guang Xu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China.
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Zhang D, Wu H, Liu D, Ye M, Li Y, Zhou G, Yang Q, Liu Y, Li Y. cFLIP L alleviates myocardial ischemia-reperfusion injury by regulating pyroptosis. Cell Biol Int 2024; 48:60-75. [PMID: 37750485 DOI: 10.1002/cbin.12091] [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: 05/20/2023] [Revised: 08/04/2023] [Accepted: 09/13/2023] [Indexed: 09/27/2023]
Abstract
Alleviating myocardial ischemia-reperfusion injury (MIRI) plays a critical role in the prognosis and improvement of cardiac function following acute myocardial infarction. Pyroptosis is a newly identified form of cell death that has been implicated in the regulation of MIRI. In our study, H9c2 cells and SD rats were transfected using a recombinant adenovirus vector carrying cFLIPL , and the transfection was conducted for 3 days. Subsequently, H9c2 cells were subjected to 4 h of hypoxia followed by 12 h of reoxygenation to simulate an in vitro ischemia-reperfusion model. SD rats underwent 30 min of ischemia followed by 2 h of reperfusion to establish an MIRI model. Our findings revealed a notable decrease in cFLIPL expression in response to ischemia/reperfusion (I/R) and hypoxia/reoxygenation (H/R) injuries. Overexpression of cFLIPL can inhibit pyroptosis, reducing myocardial infarction area in vivo, and enhancing H9c2 cell viability in vitro. I/R and H/R injuries induced the upregulation of ASC, cleaved Caspase 1, NLRP3, GSDMD-N, IL-1β, and IL-18 proteins, promoting cell apoptosis. Our research indicates that cFLIPL may suppress pyroptosis by strategically binding with Caspase 1, inhibiting the release of inflammatory cytokines and preventing cell membrane rupture. Therefore, cFLIPL could potentially serve as a promising target for alleviating MIRI by suppressing the pyroptotic pathway.
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Affiliation(s)
- Dong Zhang
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Hui Wu
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Di Liu
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Ming Ye
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Yunzhao Li
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Gang Zhou
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - QingZhuo Yang
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - YanFang Liu
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
| | - Yi Li
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, China
- Department of Cardiology, Yichang Central People's Hospital, Yichang, China
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Yang Y, Liu S, Li H, Liu Y, Ren P, Liu Y, Liu S, Guan L. The protective effect of Nostoc commune Vauch. polysaccharide on alcohol-induced acute alcoholic liver disease and gut microbiota disturbance in mice. J Gastroenterol Hepatol 2023; 38:2185-2194. [PMID: 37731216 DOI: 10.1111/jgh.16335] [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: 11/18/2022] [Revised: 06/12/2023] [Accepted: 08/07/2023] [Indexed: 09/22/2023]
Abstract
BACKGROUND In recent years, the incidence of alcoholic liver disease (ALD) has gradually increased, the development of ALD is attached great attentions. Nostoc commune Vauch. polysaccharide (NCVP) is beneficial to maintain the gut health, but the protective effect of NCVP on the liver has not been reported yet. PURPOSE To study the protective effect and the underlying mechanisms of NCVP on ALD, a mouse model of acute ALD was established. STUDY DESIGN AND METHODS We built an acute ALD mouse model and explored the protective effect of NCVP through the detection of cytokines, histological examination, determination of short chain fatty acids, and 16S rRNA analysis of gut microbiota. RESULTS NCVP had hepatoprotective effects on acute alcohol-induced mice by improving antioxidant capacity, reducing oxidative stress and the serum cytokine levels (IL-1β, IL-6, and TNF-α). Simultaneously, histopathological changes in liver indicated that NCVP could inhibit local hepatocyte necrosis, cytoplasmic vacuolation and inflammatory cell infiltration induced by alcohol. NCVP also increased the level of total short-chain fatty acids of acute ALD mice. In addition, NCVP could significantly decrease the Firmicutes/Bacteroidetes ratio and the abundance of Patescibacteria, Helicobacter, and Actinomycetes and increase the abundance of Lachospiraceae, Prevotellaceae-UCG-003, Lactobacillaceae, and Desulfovibrio. CONCLUSION Our study proved that NCVP had in vivo hepatoprotective effect on acute ALD mice and provided scientific evidences that NCVP might be a promising drug candidate for the prevention and treatment of ALD.
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Affiliation(s)
- Yiting Yang
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Su Liu
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Hailong Li
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Yue Liu
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Ping Ren
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Yingying Liu
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Shuming Liu
- Key Laboratory for Research and Development of New Veterinary Drugs, Changchun, 130118, Jilin, China
| | - Lili Guan
- College of Life Sciences, Jilin Agricultural University, Changchun, 130118, Jilin, China
- Engineering Research Center of Bioreactor and Pharmaceutical Development, Ministry of Education, Jilin Agricultural University, Changchun, 130118, Jilin, China
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Ramos-Tovar E, Muriel P. NLRP3 inflammasome in hepatic diseases: A pharmacological target. Biochem Pharmacol 2023; 217:115861. [PMID: 37863329 DOI: 10.1016/j.bcp.2023.115861] [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: 08/22/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
The NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome pathway is mainly responsible for the activation and release of a cascade of proinflammatory mediators that contribute to the development of hepatic diseases. During alcoholic liver disease development, the NLRP3 inflammasome pathway contributes to the maturation of caspase-1, interleukin (IL)-1β, and IL-18, which induce a robust inflammatory response, leading to fibrosis by inducing profibrogenic hepatic stellate cell (HSC) activation. Substantial evidence demonstrates that nonalcoholic fatty liver disease (NAFLD) progresses to nonalcoholic steatohepatitis (NASH) via NLRP3 inflammasome activation, ultimately leading to fibrosis and hepatocellular carcinoma (HCC). Activation of the NLRP3 inflammasome in NASH can be attributed to several factors, such as reactive oxygen species (ROS), gut dysbiosis, leaky gut, which allow triggers such as cardiolipin, cholesterol crystals, endoplasmic reticulum stress, and uric acid to reach the liver. Because inflammation triggers HSC activation, the NLRP3 inflammasome pathway performs a central function in fibrogenesis regardless of the etiology. Chronic hepatic activation of the NLRP3 inflammasome can ultimately lead to HCC; however, inflammation also plays a role in decreasing tumor growth. Some data indicate that NLRP3 inflammasome activation plays an important role in autoimmune hepatitis, but the evidence is scarce. Most researchers have reported that NLRP3 inflammasome activation is essential in liver injury induced by a variety of drugs and hepatotropic virus infection; however, few reports indicate that this pathway can play a beneficial role by inducing liver regeneration. Modulation of the NLRP3 inflammasome appears to be a suitable strategy to treat liver diseases.
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Affiliation(s)
- Erika Ramos-Tovar
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina-IPN, Apartado Postal 11340, Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, Ciudad de México, México
| | - Pablo Muriel
- Laboratorio de Hepatología Experimental, Departamento de Farmacología, Cinvestav-IPN, Apartado Postal 14-740, Ciudad de México, México.
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Saeidinejad M, Elshabrawi A, Sriphoosanaphan S, Andreola F, Mehta G, Agarwal B, Jalan R. Novel Therapeutic Approaches in Treatment of Acute-on-Chronic Liver Failure. Semin Liver Dis 2023; 43:429-445. [PMID: 38101419 PMCID: PMC10723941 DOI: 10.1055/s-0043-1776773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Acute-on-chronic liver failure (ACLF), a clinical syndrome that can develop at any stage in the progression of cirrhotic liver disease, is characterized by an acute decompensation in liver function with associated multiorgan failure and high short-term mortality. Current evidence points to ACLF being reversible, particularly in those at the lower end of the severity spectrum. However, there are no specific treatments for ACLF, and overall outcomes remain poor. Expedited liver transplantation as a treatment option is limited by organ shortage and a lack of priority allocation for this indication. Other options are therefore urgently needed, and our improved understanding of the condition has led to significant efforts to develop novel therapies. In conclusion, this review aims to summarize the current understanding of the pathophysiological processes involved in the onset, progression, and recovery of ACLF and discuss novel therapies under development.
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Affiliation(s)
- MohammadMahdi Saeidinejad
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Ahmed Elshabrawi
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Intensive Care Unit, Endemic Hepatology and Gastroenterology Department, Mansoura University, Mansoura, Egypt
| | - Supachaya Sriphoosanaphan
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok
| | - Fausto Andreola
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Gautam Mehta
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Banwari Agarwal
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Intensive Care Unit, Royal Free Hospital, London, United Kingdom
| | - Rajiv Jalan
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Hepatology Department, Royal Free Hospital, London, United Kingdom
- European Foundation for the Study of Chronic Liver Failure, Barcelona, Spain
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48
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Abdelrahman BA, El-Khatib AS, Attia YM. Insights into the role of vitamin D in targeting the culprits of non-alcoholic fatty liver disease. Life Sci 2023; 332:122124. [PMID: 37742738 DOI: 10.1016/j.lfs.2023.122124] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/12/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Vitamin D (VD) is a secosteroid hormone that is renowned for its crucial role in phospho-calcium homeostasis upon binding to the nuclear vitamin D receptor (VDR). Over and above, the pleiotropic immunomodulatory, anti-inflammatory, and metabolic roles VD plays in different disease settings started to surface in the past few decades. On the other hand, a growing body of evidence suggests a correlation between non-alcoholic fatty liver disease (NAFLD) and its progressive inflammatory form non-alcoholic steatohepatitis (NASH) with vitamin D deficiency (VDD) owing to the former's ingrained link with obesity and metabolic syndrome. Accordingly, a better understanding of the contribution of disrupted VDR signalling to NAFLD incidence and progression would provide further insights into its diagnosis, treatment modalities, and prognosis. This is especially significant as, hitherto, no drug for NAFLD has been approved. This review, therefore, sought to set forth the likely contribution of VDR signalling in NAFLD and how it might influence its multiple drivers.
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Affiliation(s)
- Basma A Abdelrahman
- Department of Pharmacology, Faculty of Pharmacy, The British University in Egypt, Cairo, Egypt; The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, Cairo, Egypt
| | - Aiman S El-Khatib
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Yasmeen M Attia
- Department of Pharmacology, Faculty of Pharmacy, The British University in Egypt, Cairo, Egypt; The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, Cairo, Egypt
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Zhu X, Chen Y, Lan T, Liu C. Transcriptome analysis of healthy and fatty liver revealed that inhibition of SLCO1B3 induces abnormal liver metabolism and lipid synthesis. Poult Sci 2023; 102:103023. [PMID: 37748246 PMCID: PMC10523000 DOI: 10.1016/j.psj.2023.103023] [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: 05/28/2023] [Revised: 08/01/2023] [Accepted: 08/09/2023] [Indexed: 09/27/2023] Open
Abstract
The liver serves as the central organ for lipid metabolism, making it a crucial component of chicken physiology. However, the intricate regulation of lipid absorption, synthesis, decomposition, and transport within the liver is influenced by various factors, such as environmental conditions, diet, and genetics. Recent research has suggested that numerous functional genes and transcription factors play a pivotal role in liver metabolism via different molecular mechanisms. In this study, we examined the transcriptomes of both healthy and fatty chicken livers to better understand the role of functional genes in chicken liver fat metabolism. Our bioinformatics analysis of RNA-seq data revealed differential expression of SLCO1B3 in healthy liver and fatty liver, with lower ex-pression levels observed in fatty liver. To further investigate the potential role of SLCO1B3 in liver metabolism, we conducted in vitro experiments to knock down its expression in primary hepatocytes. Our results indicated that SLCO1B3 could suppress lipogenesis, hepatocyte apoptosis, and inflammation. These findings provide insight into the molecular mechanism of SLCO1B3 as a functional gene capable of regulating fat metabolism in chicken liver, and may contribute to ad-dressing the issue of fatty liver in chicken.
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Affiliation(s)
- Xiaomu Zhu
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Yi Chen
- Department of Emergency Medicine, West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Tian Lan
- Division of liver surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, PR China; Liver Transplant Center, Transplant Center, West China Hospital, Sichuan University, Chengdu 610213, PR China
| | - Chang Liu
- Division of liver surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, PR China; Department of Minimal Invasive Surgery, Shangjin Nanfu Hospital, Chengdu 610037, PR China.
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50
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Xie D, Ouyang S. The role and mechanisms of macrophage polarization and hepatocyte pyroptosis in acute liver failure. Front Immunol 2023; 14:1279264. [PMID: 37954583 PMCID: PMC10639160 DOI: 10.3389/fimmu.2023.1279264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/16/2023] [Indexed: 11/14/2023] Open
Abstract
Acute liver failure (ALF) is a severe liver disease caused by disruptions in the body's immune microenvironment. In the early stages of ALF, Kupffer cells (KCs) become depleted and recruit monocytes derived from the bone marrow or abdomen to replace the depleted macrophages entering the liver. These monocytes differentiate into mature macrophages, which are activated in the immune microenvironment of the liver and polarized to perform various functions. Macrophage polarization can occur in two directions: pro-inflammatory M1 macrophages and anti-inflammatory M2 macrophages. Controlling the ratio and direction of M1 and M2 in ALF can help reduce liver injury. However, the liver damage caused by pyroptosis should not be underestimated, as it is a caspase-dependent form of cell death. Inhibiting pyroptosis has been shown to effectively reduce liver damage induced by ALF. Furthermore, macrophage polarization and pyroptosis share common binding sites, signaling pathways, and outcomes. In the review, we describe the role of macrophage polarization and pyroptosis in the pathogenesis of ALF. Additionally, we preliminarily explore the relationship between macrophage polarization and pyroptosis, as well as their effects on ALF.
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Affiliation(s)
| | - Shi Ouyang
- Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, Department of Infectious Diseases, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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