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Cai X, Zhang Q, Wang J, Miao Y, Sun Y, Xia Z, Zhang L, Yu Q, Jiang Z. Novel Dual PPAR δ/γ Partial Agonist Induces Hepatic Lipid Accumulation through Direct Binding and Inhibition of AKT1 Phosphorylation, Mediating CD36 Upregulation. Chem Res Toxicol 2024. [PMID: 39235066 DOI: 10.1021/acs.chemrestox.4c00268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
ZLY06 is a dual agonist of peroxisome proliferator-activated receptor (PPAR) δ/γ, showing potential therapeutic effects on metabolic syndrome. However, our research has revealed that ZLY06 exhibits hepatotoxicity in normal C57BL/6J mice, though the precise mechanism remains unclear. This study aims to investigate the manifestations and mechanisms of ZLY06-induced hepatotoxicity. We administered ZLY06 via oral gavage to C57BL/6J mice (once daily for six weeks) and monitored various indicators to preliminarily explore its hepatotoxicity. Additionally, we further investigate the specific mechanisms of ZLY06-induced hepatotoxicity using PPAR inhibitors (GW9662 and GSK0660) and the Protein kinase B (AKT) activator (SC79). Results showed that ZLY06 led to increased serum ALP, ALT and AST, as well as elevated liver index and hepatic lipid levels. There was upregulation in the gene and protein expression of lipid metabolism-related molecules Acc, Scd1, Cd36, Fabp1 and Fabp2 in hepatocytes, with Cd36 showing the most significant change. Furthermore, cotreatment with SC79 significantly reduced ZLY06-induced hepatotoxicity in AML12 cells, evidenced by decreased intracellular TG levels and downregulation of CD36 expression. Specific knockdown of CD36 also mitigated ZLY06-induced hepatotoxicity. The study found that ZLY06 may bind to AKT1, inhibiting its phosphorylation activation, with the downregulation of p-AKT1 preceding the upregulation of CD36. In summary, ZLY06 mediates the upregulation of CD36 by potentially binding to and inhibiting the phosphorylation of AKT1, leading to hepatic lipid metabolism disorder and inducing liver toxicity.
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Affiliation(s)
- Xiaotong Cai
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Qin Zhang
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Jiwei Wang
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Yingying Miao
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Yuqing Sun
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Ziyin Xia
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Luyong Zhang
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Qinwei Yu
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Zhenzhou Jiang
- New Drug Screening and Pharmacodynamics Evaluation Center, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu Center for Pharmacodynamics Research and Evaluation, Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, China
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Luo S, Yang B, Xu H, Pan X, Chen X, Jue X, Liu S, Wan R, Tan Q, Yao Y, Chen X, Jiang J, Deng B, Li J. Lithospermic acid improves liver fibrosis through Piezo1-mediated oxidative stress and inflammation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 134:155974. [PMID: 39217657 DOI: 10.1016/j.phymed.2024.155974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 07/04/2024] [Accepted: 08/19/2024] [Indexed: 09/04/2024]
Abstract
BACKGROUND Hepatic fibrosis is becoming an increasingly serious public health issue worldwide. Although liver transplantation is the only and definitive treatment for end-stage liver fibrosis, traditional Chinese medicine offers certain benefits in the treatment of advanced hepatic fibrosis. PURPOSE This study aims to explore the protective effect of lithospermic acid (LA), an extraction from Salvia miltiorrhiza (the roots of S. miltiorrhiza Bunge, known as Danshen in Chinese), on liver fibrosis and investigate its potential mechanisms. METHODS AND RESULTS Mice were treated with carbon tetrachloride (CCl4) via intraperitoneal injection for 4 weeks. LA was orally administered or colchicine (COL) was injected intraperitoneally for 3 weeks starting one week after the initial CCl4 injection. After the LA treatment, we observed a decrease in the fibrosis index and an improvement in liver function. Molecular docking results revealed that Piezo1 may be a potential pharmacological target of LA. The further experimental results showed that LA inhibited Piezo1 activation and expression in macrophages. Mechanistically, both Piezo1/Notch-mediated inflammation and oxidative stress regulated by the Piezo1/Ca2+ pathway were alleviated in fibrotic livers following LA treatment. Moreover, less oxidative stress and Notch activation were observed in the deficiency of macrophage Piezo1 (Piezo1ΔLysM) mice. In addition, Piezo1ΔLysM partially counteracted the pharmacological effects of LA on liver fibrosis. CONCLUSION In conclusion, our present study corroborated LA limits the progression of liver fibrosis by regulating Piezo1-mediated oxidative stress and inflammation. These results indicate that LA could be a potential medication for hepatic fibrosis treatment.
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Affiliation(s)
- Shangfei Luo
- Innovation Research Center, Shandong University of Chinese Medicine, Jinan, 250307, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Bo Yang
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China
| | - Honglin Xu
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xianmei Pan
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xin Chen
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xiaoyu Jue
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China
| | - Silin Liu
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Rentao Wan
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Qiaorui Tan
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Youfen Yao
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xiaoting Chen
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Jintao Jiang
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Bo Deng
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Jing Li
- Innovation Research Center, Shandong University of Chinese Medicine, Jinan, 250307, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, LS2 9JT, United Kingdom.
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3
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Qin X, Liu J. Nanoformulations for the diagnosis and treatment of metabolic dysfunction-associated steatohepatitis. Acta Biomater 2024; 184:37-53. [PMID: 38879104 DOI: 10.1016/j.actbio.2024.06.014] [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: 12/30/2023] [Revised: 05/25/2024] [Accepted: 06/10/2024] [Indexed: 06/29/2024]
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH) is a progressive phase of metabolic dysfunction-associated steatotic liver disease (MASLD) that develops into irreversible liver cirrhosis and hepatocellular carcinoma, ultimately necessitating liver transplantation as the sole life-saving option. However, given the drawbacks of liver transplantation, including invasiveness, chronic immunosuppression, and a lack of donor livers, prompt diagnosis and effective treatment are indispensable. Due to the limitations of liver biopsy and conventional imaging modalities in diagnosing MASH, as well as the potential hazards associated with liver-protecting medicines, numerous nanoformulations have been created for MASH theranostics. Particularly, there has been significant study interest in artificial nanoparticles, natural biomaterials, and bionic nanoparticles that exhibit exceptional biocompatibility and bioavailability. In this review, we summarized extracellular vesicles (EVs)-based omics analysis and Fe3O4-based functional magnetic nanoparticles as magnetic resonance imaging (MRI) contrast agents for MASH diagnosis. Additionally, artificial nanoparticles such as organic and inorganic nanoparticles, as well as natural biomaterials such as cells and cell-derived EVs and bionic nanoparticles including cell membrane-coated nanoparticles, have also been reported for MASH treatment owing to their specific targeting and superior therapeutic effect. This review has the potential to stimulate advancements in nanoformulation fabrication techniques. By exploring their compatibility with cell biology, it could lead to the creation of innovative material systems for efficient theragnostic uses for MASH. STATEMENT OF SIGNIFICANCE: People with metabolic dysfunction-associated steatohepatitis (MASH) will progress to fibrosis, cirrhosis, or even liver cancer. It is imperative to establish effective theragnostic techniques to stop MASH from progressing into a lethal condition. In our review, we summarize the advancement of artificial, natural, and bionic nanoparticles applied in MASH theragnosis. Furthermore, the issues that need to be resolved for these cutting-edge techniques are summarized to realize a more significant clinical impact. We forecast the key fields that will advance further as nanotechnology and MASH research progress. Generally, our discovery has significant implications for the advancement of nanoformulation fabrication techniques, and their potential to be compatible with cell biology could lead to the creation of innovative materials systems for effective MASH theragnostic.
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Affiliation(s)
- Xueying Qin
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Yangzhou, 225001, PR China
| | - Jingjing Liu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Yangzhou, 225001, PR China.
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Liu H, Yin G, Kohlhepp MS, Schumacher F, Hundertmark J, Hassan MIA, Heymann F, Puengel T, Kleuser B, Mosig AS, Tacke F, Guillot A. Dissecting Acute Drug-Induced Hepatotoxicity and Therapeutic Responses of Steatotic Liver Disease Using Primary Mouse Liver and Blood Cells in a Liver-On-A-Chip Model. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2403516. [PMID: 38868948 PMCID: PMC11321671 DOI: 10.1002/advs.202403516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/19/2024] [Indexed: 06/14/2024]
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is hallmarked by hepatic steatosis, cell injury, inflammation, and fibrosis. This study elaborates on a multicellular biochip-based liver sinusoid model to mimic MASLD pathomechanisms and investigate the therapeutic effects of drug candidates lanifibranor and resmetirom. Mouse liver primary hepatocytes, hepatic stellate cells, Kupffer cells, and endothelial cells are seeded in a dual-chamber biocompatible liver-on-a-chip (LoC). The LoC is then perfused with circulating immune cells (CICs). Acetaminophen (APAP) and free fatty acids (FFAs) treatment recapitulate acute drug-induced liver injury and MASLD, respectively. As a benchmark for the LoC, multiplex immunofluorescence on livers from APAP-injected and dietary MASLD-induced mice reveals characteristic changes on parenchymal and immune cell populations. APAP exposure induces cell death in the LoC, and increased inflammatory cytokine levels in the circulating perfusate. Under FFA stimulation, lipid accumulation, cellular damage, inflammatory secretome, and fibrogenesis are increased in the LoC, reflecting MASLD. Both injury conditions potentiate CIC migration from the perfusate to the LoC cellular layers. Lanifibranor prevents the onset of inflammation, while resmetirom decreases lipid accumulation in hepatocytes and increases the generation of FFA metabolites in the LoC. This study demonstrates the LoC potential for functional and molecular evaluation of liver disease drug candidates.
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Affiliation(s)
- Hanyang Liu
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Guo Yin
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Marlene Sophia Kohlhepp
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Fabian Schumacher
- Institute of PharmacyFreie Universität BerlinKönigin‐Luise‐Str. 2+414195BerlinGermany
| | - Jana Hundertmark
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | | | - Felix Heymann
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Tobias Puengel
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Burkhard Kleuser
- Institute of PharmacyFreie Universität BerlinKönigin‐Luise‐Str. 2+414195BerlinGermany
| | - Alexander Sandy Mosig
- Institute of Biochemistry IICenter for Sepsis Control and CareJena University Hospital07747JenaGermany
| | - Frank Tacke
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
| | - Adrien Guillot
- Department of Hepatology & GastroenterologyCampus Virchow‐Klinikum and Campus Charité MitteCharité – Universitätsmedizin Berlin13353BerlinGermany
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5
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Zhou Z, Zheng X, Xie M, Lin Z, Du F, Shi X, Li R. Mice Hepatic Organoids for Modeling Nonalcoholic Fatty Liver Disease and Drug Response. Stem Cells Dev 2024; 33:387-398. [PMID: 38814825 DOI: 10.1089/scd.2024.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a serious disease. There are no specific drugs for it, in part because of the lack of effective models to aid drug development. However, it has been shown that three-dimensional organoid culture systems can reproduce the organ structure and maintain the gene expression profile of the original tissue. Therefore, we aimed to construct NAFLD models from liver organoids for pharmacological and mechanism studies. We successfully observed morphological changes in normal liver tissue in mouse liver organoids with positive albumin (ALB) expression and potential for differentiation toward hepatocyte-like cells. The mRNA expression of the hepatocyte markers ALB and hepatocyte nuclear factor 4 alpha increased after liver organoid differentiation. We observed free fatty acid (FFA)-induced lipid accumulation in organoids with significant increases in alanine aminotransferase, aspartate aminotransferase, total bilirubin, and triglyceride levels. Moreover, FFA-induced inflammatory cytokines (interleukin-6, tumor necrosis factor-α, and nitric oxide) and fibrosis indicators (collagen type I α1 and laminin α1) were also increased. In addition, RNA sequencing results showed that the expression of key genes [nucleotide oligomerization domain-like receptor (NLR) family apoptosis inhibitory protein, interferon regulatory factor (IRF) 3, and IRF7] involved in NAFLD metabolic abnormalities and insulin resistance in the NLR signaling pathway was altered after FFA induction of the liver organoids. Finally, we found that JC2-11 and lanifibranor limited the FFA-induced increase in oil-red lipid droplets, liver damage, inflammation, and liver fibrosis. In conclusion, tissue structure, gene expression, and the response of mouse liver organoids to drugs can partially mimic in vivo liver tissue. Liver organoids can successfully construct NAFLD models for drug discovery research.
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Affiliation(s)
- Zheng Zhou
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Xiyan Zheng
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Maoyun Xie
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Zhiqun Lin
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Fei Du
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Xianjie Shi
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Ruixi Li
- Department of Hepatobiliary Pancreatic Surgery, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
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Du L, Wang X, Guo Y, Tao T, Wu H, Xu X, Zhang B, Chen T, Xu Q, Guo X. Altered lipid metabolism promoting cardiac fibrosis is mediated by CD34 + cell-derived FABP4 + fibroblasts. Exp Mol Med 2024; 56:1869-1886. [PMID: 39198543 PMCID: PMC11372182 DOI: 10.1038/s12276-024-01309-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 04/22/2024] [Accepted: 05/21/2024] [Indexed: 09/01/2024] Open
Abstract
Hyperlipidemia and hypertension might play a role in cardiac fibrosis, in which a heterogeneous population of fibroblasts seems important. However, it is unknown whether CD34+ progenitor cells are involved in the pathogenesis of heart fibrosis. This study aimed to explore the mechanism of CD34+ cell differentiation in cardiac fibrosis during hyperlipidemia. Through the analysis of transcriptomes from 50,870 single cells extracted from mouse hearts and 76,851 single cells from human hearts, we have effectively demonstrated the evolving cellular landscape throughout cardiac fibrosis. Disturbances in lipid metabolism can accelerate the development of fibrosis. Through the integration of bone marrow transplantation models and lineage tracing, our study showed that hyperlipidemia can expedite the differentiation of non-bone marrow-derived CD34+ cells into fibroblasts, particularly FABP4+ fibroblasts, in response to angiotensin II. Interestingly, the partial depletion of CD34+ cells led to a notable reduction in triglycerides in the heart, mitigated fibrosis, and improved cardiac function. Furthermore, immunostaining of human heart tissue revealed colocalization of CD34+ cells and fibroblasts. Mechanistically, our investigation of single-cell RNA sequencing data through pseudotime analysis combined with in vitro cellular studies revealed the crucial role of the PPARγ/Akt/Gsk3β pathway in orchestrating the differentiation of CD34+ cells into FABP4+ fibroblasts. Through our study, we generated valuable insights into the cellular landscape of CD34+ cell-derived cells in the hypertrophic heart with hyperlipidemia, indicating that the differentiation of non-bone marrow-derived CD34+ cells into FABP4+ fibroblasts during this process accelerates lipid accumulation and promotes heart failure via the PPARγ/Akt/Gsk3β pathway.
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Affiliation(s)
- Luping Du
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xuyang Wang
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yan Guo
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Tingting Tao
- Department of Cardiovascular Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Hong Wu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaodong Xu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Bohuan Zhang
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ting Chen
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Alibaba-Zhejiang University Joint Research Center of Future Digital Health care, Hangzhou, China
| | - Qingbo Xu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
| | - Xiaogang Guo
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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7
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Li R, Liu Z, Huang W, Guo Y, Xie C, Wu H, Liu J, Hong X, Wang X, Huang J, Cai M, Guo Z, Liang L, Lin L, Zhu K. Microbial-derived Urolithin A Targets GLS1 to Inhibit Glutaminolysis and Attenuate Cirrhotic Portal Hypertension. Cell Mol Gastroenterol Hepatol 2024; 18:101379. [PMID: 39038605 DOI: 10.1016/j.jcmgh.2024.101379] [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: 12/22/2023] [Revised: 07/16/2024] [Accepted: 07/16/2024] [Indexed: 07/24/2024]
Abstract
BACKGROUND & AIMS Cirrhotic portal hypertension (CPH) is the leading cause of mortality in patients with cirrhosis. Over 50% of patients with CPH treated with current clinical pharmacotherapy still present variceal bleeding or sometimes death owing to insufficient reduction in portal pressure. Elevated intrahepatic vascular resistance (IHVR) plays a fundamental role in increasing portal pressure. Because of its potent effect in reducing portal pressure and maintaining normal portal inflow to preserve liver function, lowering the IHVR is acknowledged as an optimal anti-CPH strategy but without clinical drugs. We aimed to investigate the protective effect of microbial-derived Urolithin A (UroA) in IHVR and CPH. METHODS Carbon tetrachloride or bile duct ligation surgery was administered to mice to induce liver fibrosis and CPH. 16S rRNA gene sequencing was used for microbial analysis. Transcriptomics and metabolomics analyses were employed to study the host and cell responses. RESULTS UroA was remarkably deficient in patients with CPH and was negatively correlated with disease severity. UroA deficiency was also confirmed in CPH mice and was associated with a reduced abundance of UroA-producing bacterial strain (Lactobacillus murinus, L. murinus). Glutaminolysis of hepatic stellate cells (HSCs) was identified as a previously unrecognized target of UroA. UroA inhibited the activity of glutaminase1 to suppress glutaminolysis, which counteracted fibrogenesis and contraction of HSCs and ameliorated CPH by relieving IHVR. Supplementation with UroA or L. murinus effectively ameliorated CPH in mice. CONCLUSIONS We for the first time identify the deficiency of gut microbial metabolite UroA as an important cause of CPH. We demonstrate that UroA exerts an excellent anti-CPH effect by suppressing HSC glutaminolysis to lower the IHVR, which highlighted its great potential as a novel therapeutic agent for CPH.
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Affiliation(s)
- Rui Li
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zhile Liu
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Wensou Huang
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yongjian Guo
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Chan Xie
- Department of Infectious Diseases, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hongmei Wu
- Department of Pathology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Jianxin Liu
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xiaoyang Hong
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xiaobin Wang
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Jingjun Huang
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Mingyue Cai
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zhaoxiong Guo
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Licong Liang
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Liteng Lin
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
| | - Kangshun Zhu
- Laboratory of Interventional Radiology, Department of Minimally Invasive Interventional Radiology and Interventional Cancer Center, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
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8
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Pericàs JM, Anstee QM, Augustin S, Bataller R, Berzigotti A, Ciudin A, Francque S, Abraldes JG, Hernández-Gea V, Pons M, Reiberger T, Rowe IA, Rydqvist P, Schabel E, Tacke F, Tsochatzis EA, Genescà J. A roadmap for clinical trials in MASH-related compensated cirrhosis. Nat Rev Gastroenterol Hepatol 2024:10.1038/s41575-024-00955-8. [PMID: 39020089 DOI: 10.1038/s41575-024-00955-8] [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] [Accepted: 06/03/2024] [Indexed: 07/19/2024]
Abstract
Although metabolic dysfunction-associated steatohepatitis (MASH) is rapidly becoming a leading cause of cirrhosis worldwide, therapeutic options are limited and the number of clinical trials in MASH-related compensated cirrhosis is low as compared to those conducted in earlier disease stages. Moreover, designing clinical trials in MASH cirrhosis presents a series of challenges regarding the understanding and conceptualization of the natural history, regulatory considerations, inclusion criteria, recruitment, end points and trial duration, among others. The first international workshop on the state of the art and future direction of clinical trials in MASH-related compensated cirrhosis was held in April 2023 at Vall d'Hebron University Hospital in Barcelona (Spain) and was attended by a group of international experts on clinical trials from academia, regulatory agencies and industry, encompassing expertise in MASH, cirrhosis, portal hypertension, and regulatory affairs. The presented Roadmap summarizes important content of the workshop on current status, regulatory requirements and end points in MASH-related compensated cirrhosis clinical trials, exploring alternative study designs and highlighting the challenges that should be considered for upcoming studies on MASH cirrhosis.
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Affiliation(s)
- Juan M Pericàs
- Liver Unit, Division of Digestive Diseases, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Research (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain.
- Centros de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain.
| | - Quentin M Anstee
- Translational & Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
- Newcastle NIHR Biomedical Research Center, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, UK
| | | | - Ramón Bataller
- Liver Unit, Hospital Clinic Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat Barcelona, Barcelona, Spain
| | - Annalisa Berzigotti
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Andreea Ciudin
- Endocrinology and Nutrition Department, Morbid Obesity Unit Coordinator, Vall d'Hebron University Hospital, Barcelona, Spain
- Centros de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas asociadas (CIBERdem), Instituto de Salud Carlos III, Madrid, Spain
| | - Sven Francque
- Department of Gastroenterology and Hepatology, Antwerp University Hospital, InflaMed Centre of Excellence, Laboratory for Experimental Medicine and Paediatrics, Translational Sciences in Inflammation and Immunology, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Juan G Abraldes
- Division of Gastroenterology (Liver Unit), University of Alberta, Edmonton, Canada
| | - Virginia Hernández-Gea
- Centros de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Liver Unit, Hospital Clinic Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat Barcelona, Barcelona, Spain
| | - Mònica Pons
- Liver Unit, Division of Digestive Diseases, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Research (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Thomas Reiberger
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Ian A Rowe
- Leeds Institute for Medical Research, University of Leeds, Leeds, UK
| | - Peter Rydqvist
- Medical Department, Madrigal Pharmaceuticals, West Conshohocken, PA, USA
| | - Elmer Schabel
- Federal Institute for Drugs and Medical Devices, Bonn, Germany
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Emmanuel A Tsochatzis
- UCL Institute for Liver and Digestive Health, Royal Free Hospital and UCL, London, UK
| | - Joan Genescà
- Liver Unit, Division of Digestive Diseases, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Research (VHIR), Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centros de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
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9
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Qu J, Wang L, Li Y, Li X. Liver sinusoidal endothelial cell: An important yet often overlooked player in the liver fibrosis. Clin Mol Hepatol 2024; 30:303-325. [PMID: 38414375 PMCID: PMC11261236 DOI: 10.3350/cmh.2024.0022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 02/29/2024] Open
Abstract
Liver sinusoidal endothelial cells (LSECs) are liver-specific endothelial cells with the highest permeability than other mammalian endothelial cells, characterized by the presence of fenestrae on their surface, the absence of diaphragms and the lack of basement membrane. Located at the interface between blood and other liver cell types, LSECs mediate the exchange of substances between the blood and the Disse space, playing a crucial role in maintaining substance circulation and homeostasis of multicellular communication. As the initial responders to chronic liver injury, the abnormal LSEC activation not only changes their own physicochemical properties but also interrupts their communication with hepatic stellate cells and hepatocytes, which collectively aggravates the process of liver fibrosis. In this review, we have comprehensively updated the various pathways by which LSECs were involved in the initiation and aggravation of liver fibrosis, including but not limited to cellular phenotypic change, the induction of capillarization, decreased permeability and regulation of intercellular communications. Additionally, the intervention effects and latest regulatory mechanisms of anti-fibrotic drugs involved in each aspect have been summarized and discussed systematically. As we studied deeper into unraveling the intricate role of LSECs in the pathophysiology of liver fibrosis, we unveil a promising horizon that pave the way for enhanced patient outcomes.
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Affiliation(s)
- Jiaorong Qu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Le Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yufei Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaojiaoyang Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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10
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Guixé-Muntet S, Quesada-Vázquez S, Gracia-Sancho J. Pathophysiology and therapeutic options for cirrhotic portal hypertension. Lancet Gastroenterol Hepatol 2024; 9:646-663. [PMID: 38642564 DOI: 10.1016/s2468-1253(23)00438-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 04/22/2024]
Abstract
Portal hypertension represents the primary non-neoplastic complication of liver cirrhosis and has life-threatening consequences, such as oesophageal variceal bleeding, ascites, and hepatic encephalopathy. Portal hypertension occurs due to increased resistance of the cirrhotic liver vasculature to portal blood flow and is further aggravated by the hyperdynamic circulatory syndrome. Existing knowledge indicates that the profibrogenic phenotype acquired by sinusoidal cells is the initial factor leading to increased hepatic vascular tone and fibrosis, which cause increased vascular resistance and portal hypertension. Data also suggest that the phenotype of hepatic cells could be further impaired due to the altered mechanical properties of the cirrhotic liver itself, creating a deleterious cycle that worsens portal hypertension in the advanced stages of liver disease. In this Review, we discuss recent discoveries in the pathophysiology and treatment of cirrhotic portal hypertension, a condition with few pharmacological treatment options.
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Affiliation(s)
- Sergi Guixé-Muntet
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Sergio Quesada-Vázquez
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Hospital Clínic de Barcelona, Barcelona, Spain; Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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11
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He Q, He W, Dong H, Guo Y, Yuan G, Shi X, Wang D, Lu F. Role of liver sinusoidal endothelial cell in metabolic dysfunction-associated fatty liver disease. Cell Commun Signal 2024; 22:346. [PMID: 38943171 PMCID: PMC11214243 DOI: 10.1186/s12964-024-01720-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 06/20/2024] [Indexed: 07/01/2024] Open
Abstract
Liver sinusoidal endothelial cells (LSECs) are highly specialized endothelial cells that represent the interface between blood cells on one side and hepatocytes on the other side. LSECs not only form a barrier within the hepatic sinus, but also play important physiological functions such as regulating hepatic vascular pressure, anti-inflammatory and anti-fibrotic. Pathologically, pathogenic factors can induce LSECs capillarization, that is, loss of fenestra and dysfunction, which are conducive to early steatosis, lay the foundation for the progression of metabolic dysfunction-associated fatty liver disease (MAFLD), and accelerate metabolic dysfunction-associated steatohepatitis (MASH) and liver fibrosis. The unique localization, phenotype, and function of LSECs make them potential candidates for reducing liver injury, inflammation, and preventing or reversing fibrosis in the future.
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Affiliation(s)
- Qiongyao He
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wu He
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Hui Dong
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yujin Guo
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Gang Yuan
- Department of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiaoli Shi
- Department of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dingkun Wang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Fuer Lu
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China.
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12
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Mandal SK, Puri S, Kumar BK, Muzaffar-Ur-Rehman M, Sharma PK, Sankaranarayanan M, Deepa PR. Targeting lipid-sensing nuclear receptors PPAR (α, γ, β/δ): HTVS and molecular docking/dynamics analysis of pharmacological ligands as potential pan-PPAR agonists. Mol Divers 2024; 28:1423-1438. [PMID: 37280404 DOI: 10.1007/s11030-023-10666-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 05/24/2023] [Indexed: 06/08/2023]
Abstract
The global prevalence of obesity-related systemic disorders, including non-alcoholic fatty liver disease (NAFLD), and cancers are rapidly rising. Several of these disorders involve peroxisome proliferator-activated receptors (PPARs) as one of the key cell signaling pathways. PPARs are nuclear receptors that play a central role in lipid metabolism and glucose homeostasis. They can activate or suppress the genes responsible for inflammation, adipogenesis, and energy balance, making them promising therapeutic targets for treating metabolic disorders. In this study, an attempt has been made to screen novel PPAR pan-agonists from the ZINC database targeting the three PPAR family of receptors (α, γ, β/δ), using molecular docking and molecular dynamics (MD) simulations. The top scoring five ligands with strong binding affinity against all the three PPAR isoforms were eprosartan, canagliflozin, pralatrexate, sacubitril, olaparib. The ADMET analysis was performed to assess the pharmacokinetic profile of the top 5 molecules. On the basis of ADMET analysis, the top ligand was subjected to MD simulations, and compared with lanifibranor (reference PPAR pan-agonist). Comparatively, the top-scoring ligand showed better protein-ligand complex (PLC) stability with all the PPARs (α, γ, β/δ). When experimentally tested in in vitro cell culture model of NAFLD, eprosartan showed dose dependent decrease in lipid accumulation and oxidative damage. These outcomes suggest potential PPAR pan-agonist molecules for further experimental validation and pharmacological development, towards treatment of PPAR-mediated metabolic disorders.
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Affiliation(s)
- Sumit Kumar Mandal
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Sonakshi Puri
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Banoth Karan Kumar
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Mohammed Muzaffar-Ur-Rehman
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Pankaj Kumar Sharma
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Murugesan Sankaranarayanan
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - P R Deepa
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India.
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13
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Almohawes ZN, El-Kott A, Morsy K, Shati AA, El-Kenawy AE, Khalifa HS, Elsaid FG, Abd-Lateif AEKM, Abu-Zaiton A, Ebealy ER, Abdel-Daim MM, Ghanem RA, Abd-Ella EM. Salidroside inhibits insulin resistance and hepatic steatosis by downregulating miR-21 and subsequent activation of AMPK and upregulation of PPARα in the liver and muscles of high fat diet-fed rats. Arch Physiol Biochem 2024; 130:257-274. [PMID: 35061559 DOI: 10.1080/13813455.2021.2024578] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/15/2021] [Accepted: 12/27/2021] [Indexed: 02/06/2023]
Abstract
This study evaluated if salidroside (SAL) alleviates high-fat diet (HFD)-induced non-alcoholic fatty liver disease (NAFLD) by downregulating miR-21. Rats (n = 8/group) were treated for 12 weeks as normal diet (control/ND), ND + agmoir negative control (NC) (150 µg/kg), ND + SAL (300 mg/kg), HFD, HFD + SAL, HFD + compound C (an AMPK inhibitor) (200 ng/kg), HFD + SAL + NXT629 (a PPAR-α antagonist) (30 mg/kg), and HFD + SAL + miR-21 agomir (150 µg/kg). SAL improved glucose and insulin tolerance and preserved livers in HFD-fed rats. In ND and HFD-fed rats, SAL reduced levels of serum and hepatic lipids and the hepatic expression of SREBP1, SREBP2, fatty acid (FA) synthase, and HMGCOAR. It also activated hepatic Nrf2 and increased hepatic/muscular activity of AMPK and levels of PPARα. All effects afforded by SAL were prevented by CC, NXT629, and miR-21 agmoir. In conclusion, activation of AMPK and upregulation of PPARα mediate the anti-steatotic effect of SAL.
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Affiliation(s)
- Zakiah N Almohawes
- Biology Department, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Attalla El-Kott
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Zoology Department, College of Science, Damanhour University, Damanhour, Egypt
| | - Kareem Morsy
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Zoology Department, College of Science, Cairo University, Cairo, Egypt
| | - Ali A Shati
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Ayman E El-Kenawy
- Pathology Department, College of Medicine, Taif University, Taif, Saudi Arabia
| | - Heba S Khalifa
- Zoology Department, College of Science, Damanhour University, Damanhour, Egypt
| | - Fahmy G Elsaid
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Zoology Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | | | | | - Eman R Ebealy
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Pharmaceutical Sciences Department, Pharmacy Program, Batterjee Medical College, Jeddah, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Reham A Ghanem
- Oral Biology Department, Faculty of Oral and Dental Medicine, Delta University for Science and Technology, Gamasa, Egypt
| | - Eman M Abd-Ella
- Zoology Department, College of Science, Fayoum University, Fayoum, Egypt
- Biology Department, College of Science and Art, Al-Baha University, Al-Mandaq, Saudi Arabia
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14
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Xiao X, Liu H, Wan J, Yang P, Xu Z, Wang S, Guo Q, Chen S, Ye P, Wang S, Xia J. Single-cell sequencing reveals the impact of endothelial cell PIEZO1 expression on thoracic aortic aneurysm. J Mol Cell Cardiol 2024; 191:63-75. [PMID: 38718563 DOI: 10.1016/j.yjmcc.2024.04.015] [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: 09/28/2023] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/25/2024]
Abstract
INTRODUCTION Thoracic aortic aneurysm (TAA) is a severe vascular disease that threatens human life, characterized by focal dilatation of the entire aortic wall, with a diameter 1.5 times larger than normal. PIEZO1, a mechanosensitive cationic channel, monitors mechanical stimulations in the environment, transduces mechanical signals into electrical signals, and converts them into biological signals to activate intracellular signaling pathways. However, the role of PIEZO1 in TAA is still unclear. METHODS We analyzed a single-cell database to investigate the expression level of PIEZO1 in TAA. We constructed a conditional knockout mouse model of Piezo1 and used the PIEZO1 agonist Yoda1 to intervene in the TAA model mice established by co-administration of BAPN and ANG-II. Finally, we explored the effect of Yoda1 on TAA in vitro. RESULTS AND DISCUSSION We observed decreased PIEZO1 expression in TAA at both RNA and protein levels. Single-cell sequencing identified a specific reduction in Piezo1 expression in endothelial cells. Administration of PIEZO1 agonist Yoda1 prevented the formation of TAA. In PIEZO1 endothelial cell conditional knockout mice, Yoda1 inhibited TAA formation by interfering with PIEZO1. In vivo and in vitro experiments demonstrated that the effect of Yoda1 on endothelial cells involved macrophage infiltration, extracellular matrix degradation, and neovascularization. This study highlights the role of PIEZO1 in TAA and its potential as a therapeutic target, providing opportunities for clinical translation.
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Affiliation(s)
- Xiaoyue Xiao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hao Liu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junhao Wan
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peiwen Yang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhiyue Xu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shilin Wang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiang Guo
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Chen
- Key Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Ping Ye
- Department of Cardiovascular Medicine, Central Hospital of Wuhan, Wuhan, China.
| | - Sihua Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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15
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Wang C, Felli E, Selicean S, Nulan Y, Lozano JJ, Guixé-Muntet S, Bosch J, Berzigotti A, Gracia-Sancho J. Role of calcium integrin-binding protein 1 in the mechanobiology of the liver endothelium. J Cell Physiol 2024; 239:e31198. [PMID: 38451745 DOI: 10.1002/jcp.31198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 03/09/2024]
Abstract
Liver sinusoidal endothelial cells (LSECs) dysfunction is a key process in the development of chronic liver disease (CLD). Progressive scarring increases liver stiffness in a winch-like loop stimulating a dysfunctional liver cell phenotype. Cellular stretching is supported by biomechanically modulated molecular factors (BMMFs) that can translocate into the cytoplasm to support mechanotransduction through cytoskeleton remodeling and gene transcription. Currently, the molecular mechanisms of stiffness-induced LSECs dysfunction remain largely unclear. Here we propose calcium- and integrin-binding protein 1 (CIB1) as BMMF with crucial role in LSECs mechanobiology in CLD. CIB1 expression and translocation was characterized in healthy and cirrhotic human livers and in LSECs cultured on polyacrylamide gels with healthy and cirrhotic-like stiffnesses. Following the modulation of CIB1 with siRNA, the transcriptome was scrutinized to understand downstream effects of CIB1 downregulation. CIB1 expression is increased in LSECs in human cirrhosis. In vitro, CIB1 emerges as an endothelial BMMF. In human umbilical vein endothelial cells and LSECs, CIB1 expression and localization are modulated by stiffness-induced trafficking across the nuclear membrane. LSECs from cirrhotic liver tissue both in animal model and human disease exhibit an increased amount of CIB1 in cytoplasm. Knockdown of CIB1 in LSECs exposed to high stiffness improves LSECs phenotype by regulating the intracellular tension as well as the inflammatory response. Our results demonstrate that CIB1 is a key factor in sustaining cellular tension and stretching in response to high stiffness. CIB1 downregulation ameliorates LSECs dysfunction, enhancing their redifferentiation, and reducing the inflammatory response.
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Affiliation(s)
- Cong Wang
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Eric Felli
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, Bern, Switzerland
| | - Sonia Selicean
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Yeliduosi Nulan
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Juan José Lozano
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Barcelona, Spain
| | - Sergi Guixé-Muntet
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Barcelona, Spain
| | - Jaume Bosch
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, Bern, Switzerland
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Barcelona, Spain
| | - Annalisa Berzigotti
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, Bern, Switzerland
| | - Jordi Gracia-Sancho
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, Bern, Switzerland
- Liver Vascular Biology Research Group, IDIBAPS Biomedical Research Institute, CIBEREHD, Barcelona, Spain
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16
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Li X, Xu X, Tao S, Su Y, Wen L, Wang D, Liu J, Feng Q. Gut microbes combined with metabolomics reveal the protective effects of Qijia Rougan decoction against CCl 4-induced hepatic fibrosis. Front Pharmacol 2024; 15:1347120. [PMID: 38606180 PMCID: PMC11007057 DOI: 10.3389/fphar.2024.1347120] [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: 11/30/2023] [Accepted: 03/18/2024] [Indexed: 04/13/2024] Open
Abstract
Background: The occurrence and development of Hepatic fibrosis (HF) are closely related to the gut microbial composition and alterations in host metabolism. Qijia Rougan decoction (QJ) is a traditional Chinese medicine compound utilized clinically for the treatment of HF with remarkable clinical efficacy. However, its effect on the gut microbiota and metabolite alterations is unknown. Therefore, our objective was to examine the impact of QJ on the gut microbiota and metabolism in Carbon tetrachloride (CCl4)-induced HF. Methods: 40% CCl4 was used to induce HF, followed by QJ administration for 6 weeks. Serum biochemical analyses, histopathology, immunohistochemistry, RT-PCR, 16S rRNA gene sequencing, and non-targeted metabolomics techniques were employed in this study to investigate the interventional effects of QJ on a CCl4-induced HF model in rats. Results: This study demonstrated that QJ could effectively ameliorate CCl4-induced hepatic inflammation and fibrosis. Moreover, QJ upregulated the expression of intestinal tight junction proteins (TJPs) and notably altered the abundance of some gut microbes, for example, 10 genera closely associated with HF-related indicators and TJPs. In addition, metabolomics found 37 key metabolites responded to QJ treatment and strongly associated with HF-related indices and TJPs. Furthermore, a tight relation between 10 genera and 37 metabolites was found post correlation analysis. Among them, Turicibacter, Faecalibaculum, Prevotellaceae UCG 001, and unclassified Peptococcaceae may serve as the core gut microbes of QJ that inhibit HF. Conclusion: These results suggest that QJ ameliorates hepatic inflammation and fibrosis, which may be achieved by improving intestinal tight junctions and modulating gut microbiota composition as well as modulating host metabolism.
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Affiliation(s)
| | | | | | | | | | - Dong Wang
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jibin Liu
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Quansheng Feng
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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17
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Ji K, Zhang M, Du L, Wang J, Liu Y, Xu C, He N, Wang Q, Gu Y, Song H, Wang Y, Liu Q. Exploring the Role of Inulin in Targeting the Gut Microbiota: An Innovative Strategy for Alleviating Colonic Fibrosis Induced By Irradiation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:5710-5724. [PMID: 38457473 PMCID: PMC10958509 DOI: 10.1021/acs.jafc.3c03432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 02/13/2024] [Accepted: 02/27/2024] [Indexed: 03/10/2024]
Abstract
The use of radiation therapy to treat pelvic and abdominal cancers can lead to the development of either acute or chronic radiation enteropathy. Radiation-induced chronic colonic fibrosis is a common gastrointestinal disorder resulting from the above radiation therapy. In this study, we establish the efficacy of inulin supplements in safeguarding against colonic fibrosis caused by irradiation therapy. Studies have demonstrated that inulin supplements enhance the proliferation of bacteria responsible to produce short-chain fatty acids (SCFAs) and elevate the levels of SCFAs in feces. In a mouse model of chronic radiation enteropathy, the transplantation of gut microbiota and its metabolites from feces of inulin-treated mice were found to reduce colonic fibrosis in validation experiments. Administering inulin-derived metabolites from gut microbiota led to a notable decrease in the expression of genes linked to fibrosis and collagen production in mouse embryonic fibroblast cell line NIH/3T3. In the cell line, inulin-derived metabolites also suppressed the expression of genes linked to the extracellular matrix synthesis pathway. The results indicate a novel and practical approach to safeguarding against chronic radiation-induced colonic fibrosis.
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Affiliation(s)
| | | | - Liqing Du
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Jinhan Wang
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Yang Liu
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Chang Xu
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Ningning He
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Qin Wang
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Yeqing Gu
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Huijuan Song
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Yan Wang
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
| | - Qiang Liu
- Tianjin Key Laboratory of
Radiation Medicine and Molecular Nuclear Medicine, Department of Radiobiology, Institute of Radiation Medicine of Chinese Academy
of Medical Science & Peking Union Medical College, State Key Laboratory
of Advanced Medical Materials and Devices, Tianjin 300192, PR China
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18
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Petrenko O, Königshofer P, Brusilovskaya K, Hofer BS, Bareiner K, Simbrunner B, Jühling F, Baumert TF, Lupberger J, Trauner M, Kauschke SG, Pfisterer L, Simon E, Rendeiro AF, de Rooij LP, Schwabl P, Reiberger T. Transcriptomic signatures of progressive and regressive liver fibrosis and portal hypertension. iScience 2024; 27:109301. [PMID: 38469563 PMCID: PMC10926212 DOI: 10.1016/j.isci.2024.109301] [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: 09/11/2023] [Revised: 12/10/2023] [Accepted: 02/16/2024] [Indexed: 03/13/2024] Open
Abstract
Persistent liver injury triggers a fibrogenic program that causes pathologic remodeling of the hepatic microenvironment (i.e., liver fibrosis) and portal hypertension. The dynamics of gene regulation during liver disease progression and early regression remain understudied. Here, we generated hepatic transcriptome profiles in two well-established liver disease models at peak fibrosis and during spontaneous regression after the removal of the inducing agents. We linked the dynamics of key disease readouts, such as portal pressure, collagen area, and transaminase levels, to differentially expressed genes, enabling the identification of transcriptomic signatures of progressive vs. regressive liver fibrosis and portal hypertension. These candidate biomarkers (e.g., Tcf4, Mmp7, Trem2, Spp1, Scube1, Islr) were validated in RNA sequencing datasets of patients with cirrhosis and portal hypertension, and those cured from hepatitis C infection. Finally, deconvolution identified major cell types and suggested an association of macrophage and portal hepatocyte signatures with portal hypertension and fibrosis area.
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Affiliation(s)
- Oleksandr Petrenko
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Philipp Königshofer
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Ksenia Brusilovskaya
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Benedikt S. Hofer
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Katharina Bareiner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
| | - Benedikt Simbrunner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Frank Jühling
- Université de Strasbourg, Inserm, Institut de Recherche sur les Maladies Virales et Hepatiques UMR_S1110, Strasbourg 67000, France
| | - Thomas F. Baumert
- Université de Strasbourg, Inserm, Institut de Recherche sur les Maladies Virales et Hepatiques UMR_S1110, Strasbourg 67000, France
- Service d’hépato-gastroentérologie, Hôpitaux Universitaires de Strasbourg, Strasbourg 67000, France
- Institut Universitaire de France (IUF), 75005 Paris, France
| | - Joachim Lupberger
- Université de Strasbourg, Inserm, Institut de Recherche sur les Maladies Virales et Hepatiques UMR_S1110, Strasbourg 67000, France
- Service d’hépato-gastroentérologie, Hôpitaux Universitaires de Strasbourg, Strasbourg 67000, France
- Institut Universitaire de France (IUF), 75005 Paris, France
| | - Michael Trauner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
| | - Stefan G. Kauschke
- Department of CardioMetabolic Diseases Research, Boehringer Ingelheim Pharma GmbH & Co.KG, 88397 Biberach an der Riss, Germany
| | - Larissa Pfisterer
- Department of CardioMetabolic Diseases Research, Boehringer Ingelheim Pharma GmbH & Co.KG, 88397 Biberach an der Riss, Germany
| | - Eric Simon
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co.KG, 88397 Biberach an der Riss, Germany
| | - André F. Rendeiro
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Laura P.M.H. de Rooij
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Philipp Schwabl
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
| | - Thomas Reiberger
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna 1090, Austria
- Christian Doppler Laboratory for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna 1090, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna 1090, Austria
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19
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Yan M, Yao J, Xie Y, Jiang P, Yan J, Li X. Bioreactor-based stem cell therapy for liver fibrosis. Biofabrication 2024; 16:025028. [PMID: 38442726 DOI: 10.1088/1758-5090/ad304d] [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: 10/13/2023] [Accepted: 03/05/2024] [Indexed: 03/07/2024]
Abstract
Stem cell therapy, achieved using mesenchymal stem cells (MSCs), has been highlighted for the treatment of liver fibrosis. Infusion into the circulatory system is a traditional application of MSCs; however, this approach is limited by phenotypic drift, stem cell senescence, and vascular embolism. Maintaining the therapeutic phenotype of MSCs while avoiding adverse infusion-related reactions is the key to developing next-generation stem cell therapy technologies. Here, we propose a bioreactor-based MSCs therapy to avoid cell infusion. In this scheme, 5% liver fibrosis serum was used to induce the therapeutic phenotype of MSCs, and a fluid bioreactor carrying a co-culture system of hepatocytes and MSCs was constructed to produce the therapeutic medium. In a rat model of liver fibrosis, the therapeutic medium derived from the bioreactor significantly alleviated liver fibrosis. Therapeutic mechanisms include immune regulation, inhibition of hepatic stellate cell activation, establishment of hepatocyte homeostasis, and recovery of liver stem cell subsets. Overall, the bioreactor-based stem cell therapy (scheme) described here represents a promising new strategy for the treatment of liver fibrosis and will be beneficial for the development of 'cell-free' stem cell therapy.
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Affiliation(s)
- Mengchao Yan
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou 730000, People's Republic of China
- The Medical School, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Jia Yao
- The Medical School, Lanzhou University, Lanzhou 730000, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou 730000, People's Republic of China
| | - Ye Xie
- The Medical School, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Pan Jiang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
| | - Jun Yan
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou 730000, People's Republic of China
- The Medical School, Lanzhou University, Lanzhou 730000, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou 730000, People's Republic of China
| | - Xun Li
- Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou 730000, People's Republic of China
- The Medical School, Lanzhou University, Lanzhou 730000, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou 730000, People's Republic of China
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20
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Kim H, Lee SK, Hong S, Park TS, Kim J, Kim S, Kim TM. Pan PPAR agonist stimulation of induced MSCs produces extracellular vesicles with enhanced renoprotective effect for acute kidney injury. Stem Cell Res Ther 2024; 15:9. [PMID: 38167146 PMCID: PMC10763307 DOI: 10.1186/s13287-023-03577-0] [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: 06/01/2023] [Accepted: 11/20/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Acute kidney injury (AKI) has a complex pathophysiology and imposes serious health concerns worldwide. Extracellular vesicles (EVs) derived from induced mesenchymal stem cells (iMSCs) have been recognized as novel cell-free therapeutics for various inflammatory and degenerative disorders. In this study, we investigated whether iMSCs stimulated with a pan-peroxisome proliferator-activated receptor (PPAR) agonist could enhance the therapeutic efficacy of EVs against AKI. METHODS Human iMSCs were primed with or without lanifibranor, a PPAR agonist for 24 h, and EVs were collected after an additional 24 h. The basic characteristics of EVs were evaluated using cryo-transmission electron microscopy imaging, immunoblot detection of EV markers, nanoparticle tracking analysis, and localization in AKI kidneys. In vitro, the potential of the EVs to promote the growth and survival of HK-2 cells undergoing cisplatin-induced apoptosis and anti-inflammatory effects in M1-polarized THP-1 was compared. Subsequently, AKI was induced in BALB/c mice using cisplatin. After 8 and 24 h of cisplatin treatment, iMSC-EVs or pan-PPAR-iMSC-EVs were injected intravascularly. At 96 h after cisplatin administration, the renoprotective effects of iMSC-EVs or pan-PPAR-iMSC-EVs in inhibiting inflammation and apoptosis were compared using serum biochemistry, histology, immunohistochemistry, and gene expression analysis by qPCR. RESULTS Both EV types expressed EV markers and had typical EV morphology, and their localization in the renal tissue was confirmed. The proliferation and survival of HK-2 cells were higher in pan-PPAR-iMSC-EVs than those in iMSC-EVs. In M1-polarized THP-1 cells, the reduction in the mRNA expression of inflammatory cytokines was more significant in pan-PPAR-iMSC-EVs than that in iMSC-EVs. In the mouse model of cisplatin-induced AKI, pan-PPAR-iMSC-EVs markedly enhanced renoprotective effects compared to iMSC-EVs. Specifically, pan-PPAR-iMSC-EVs reduced tissue inflammation, immune cell infiltration, and apoptosis. Pan-PPAR-iMSC-EVs also increased renal capillary density. CONCLUSION Priming iMSCs with a PPAR agonist significantly improved the therapeutic potential of EVs by reducing inflammation and apoptosis. The reported strategy may contribute to the development of a novel cell-free option for AKI treatment. TRIAL REGISTRATION Not applicable.
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Affiliation(s)
- Hongduk Kim
- Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 25354, South Korea
| | - Seul Ki Lee
- Brexogen Research Center, Brexogen Inc., Songpa-gu, Seoul, 05855, South Korea
| | - Sungok Hong
- Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 25354, South Korea
| | - Tae Sub Park
- Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 25354, South Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang Daero 1447, Pyeongchang, Gangwon-do, 25354, South Korea
| | - Jimin Kim
- Brexogen Research Center, Brexogen Inc., Songpa-gu, Seoul, 05855, South Korea
| | - Soo Kim
- Brexogen Research Center, Brexogen Inc., Songpa-gu, Seoul, 05855, South Korea
| | - Tae Min Kim
- Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do, 25354, South Korea.
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang Daero 1447, Pyeongchang, Gangwon-do, 25354, South Korea.
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21
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Shakour N, Karami S, Iranshahi M, Butler AE, Sahebkar A. Antifibrotic effects of sodium-glucose cotransporter-2 inhibitors: A comprehensive review. Diabetes Metab Syndr 2024; 18:102934. [PMID: 38154403 DOI: 10.1016/j.dsx.2023.102934] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/25/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND AND AIMS Scar tissue accumulation in organs is the underlying cause of many fibrotic diseases. Due to the extensive array of organs affected, the long-term nature of fibrotic processes and the large number of people who suffer from the negative impact of these diseases, they constitute a serious health problem for modern medicine and a huge economic burden on society. Sodium-glucose cotransporter-2 inhibitors (SGLT2is) are a relatively new class of anti-diabetic pharmaceuticals that offer additional benefits over and above their glucose-lowering properties; these medications modulate a variety of diseases, including fibrosis. Herein, we have collated and analyzed all available research on SGLT2is and their effects on organ fibrosis, together with providing a proposed explanation as to the underlying mechanisms. METHODS PubMed, ScienceDirect, Google Scholar and Scopus were searched spanning the period from 2012 until April 2023 to find relevant articles describing the antifibrotic effects of SGLT2is. RESULTS The majority of reports have shown that SGLT2is are protective against lung, liver, heart and kidney fibrosis as well as arterial stiffness. According to the results of clinical trials and animal studies, many SGLT2 inhibitors are promising candidates for the treatment of fibrosis. Recent studies have demonstrated that SGLT2is affect an array of cellular processes, including hypoxia, inflammation, oxidative stress, the renin-angiotensin system and metabolic activities, all of which have been linked to fibrosis. CONCLUSION Extensive evidence indicates that SGLT2is are promising treatments for fibrosis, demonstrating protective effects in various organs and influencing key cellular processes linked to fibrosis.
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Affiliation(s)
- Neda Shakour
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shima Karami
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alexandra E Butler
- Research Department, Royal College of Surgeons in Ireland, Adliya, Bahrain
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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22
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Fan HN, Zhao ZM, Huang K, Wang XN, Dai YK, Liu CH. Serum metabolomics characteristics and fatty-acid-related mechanism of cirrhosis with histological response in chronic hepatitis B. Front Pharmacol 2023; 14:1329266. [PMID: 38178856 PMCID: PMC10764421 DOI: 10.3389/fphar.2023.1329266] [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: 10/28/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024] Open
Abstract
Background and aims: The serum metabolites changes in patients with hepatitis B virus (HBV)-related cirrhosis as progression. Peroxisome proliferator-activated receptor gamma (PPARγ) is closely related to lipid metabolism in cirrhotic liver. However, the relationship between fatty acids and the expression of hepatic PPARγ during cirrhosis regression remains unknown. In this study, we explored the serum metabolic characteristics and expression of PPARγ in patients with histological response to treatment with entecavir. Methods: Sixty patients with HBV-related cirrhosis were selected as the training cohort with thirty patients each in the regression (R) group and non-regression (NR) group based on their pathological changes after 48-week treatment with entecavir. Another 72 patients with HBV-related cirrhosis and treated with entecavir were collected as the validation cohort. All of the serum samples were tested using ultra-performance liquid chromatography coupled to tandem mass spectrometry. Data were processed through principal component analysis and orthogonal partial least square discriminant analysis. Hepatic PPARγ expression was observed using immunohistochemistry. The relationship between serum fatty acids and PPARγ was calculated using Pearson's or Spearman's correlation analysis. Results: A total of 189 metabolites were identified and 13 differential metabolites were screened. Compared to the non-regression group, the serum level of fatty acids was higher in the R group. At baseline, the expression of PPARγ in hepatic stellate cells was positively correlated with adrenic acid (r 2 = 0.451, p = 0.046). The expression of PPARγ in both groups increased after treatment, and the expression of PPARγ in the R group was restored in HSCs much more than that in the NR group (p = 0.042). The adrenic acid and arachidonic acid (AA) in the R group also upgraded more than the NR group after treatment (p = 0.037 and 0.014). Conclusion: Baseline serum differential metabolites, especially fatty acids, were identified in patients with HBV-related cirrhosis patients who achieved cirrhosis regression. Upregulation of adrenic acid and arachidonic acid in serum and re-expression of PPARγ in HSCs may play a crucial role in liver fibrosis improvement.
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Affiliation(s)
- Hai-Na Fan
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhi-Min Zhao
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital, Shanghai, China
| | - Kai Huang
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital, Shanghai, China
| | - Xiao-Ning Wang
- Institute of Interdisciplinary Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yun-Kai Dai
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Cheng-Hai Liu
- Institute of Liver Diseases, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shuguang Hospital, Shanghai, China
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23
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Mohammed OS, Attia HG, Mohamed BMSA, Elbaset MA, Fayed HM. Current investigations for liver fibrosis treatment: between repurposing the FDA-approved drugs and the other emerging approaches. JOURNAL OF PHARMACY & PHARMACEUTICAL SCIENCES : A PUBLICATION OF THE CANADIAN SOCIETY FOR PHARMACEUTICAL SCIENCES, SOCIETE CANADIENNE DES SCIENCES PHARMACEUTIQUES 2023; 26:11808. [PMID: 38022905 PMCID: PMC10662312 DOI: 10.3389/jpps.2023.11808] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023]
Abstract
Long-term liver injuries lead to hepatic fibrosis, often progressing into cirrhosis, liver failure, portal hypertension, and hepatocellular carcinoma. There is currently no effective therapy available for liver fibrosis. Thus, continuous investigations for anti-fibrotic therapy are ongoing. The main theme of anti-fibrotic investigation during recent years is the rationale-based selection of treatment molecules according to the current understanding of the pathology of the disease. The research efforts are mainly toward repurposing current FDA-approved drugs targeting etiological molecular factors involved in developing liver fibrosis. In parallel, investigations also focus on experimental small molecules with evidence to hinder or reverse the fibrosis. Natural compounds, immunological, and genetic approaches have shown significant encouraging effects. This review summarizes the efficacy and safety of current under-investigation antifibrosis medications targeting various molecular targets, as well as the properties of antifibrosis medications, mainly in phase II and III clinical trials.
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Affiliation(s)
- Omima S. Mohammed
- Department of Microbiology, College of Medicine, Najran University, Najran, Saudi Arabia
| | - Hany G. Attia
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Bassim M. S. A. Mohamed
- Department of Pharmacology, Medical Research and Clinical Studies Institute, National Research Centre, Cairo, Egypt
| | - Marawan A. Elbaset
- Department of Pharmacology, Medical Research and Clinical Studies Institute, National Research Centre, Cairo, Egypt
| | - Hany M. Fayed
- Department of Pharmacology, Medical Research and Clinical Studies Institute, National Research Centre, Cairo, Egypt
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24
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Staels B, Butruille L, Francque S. Treating NASH by targeting peroxisome proliferator-activated receptors. J Hepatol 2023; 79:1302-1316. [PMID: 37459921 DOI: 10.1016/j.jhep.2023.07.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/18/2023] [Accepted: 07/02/2023] [Indexed: 09/15/2023]
Abstract
The pathophysiology of non-alcoholic steatohepatitis (NASH) encompasses a complex set of intra- and extrahepatic driving mechanisms, involving numerous metabolic, inflammatory, vascular and fibrogenic pathways. The peroxisome proliferator-activated receptors (PPARs) α, β/δ and γ belong to the nuclear receptor family of ligand-activated transcription factors. Activated PPARs modulate target tissue transcriptomic profiles, enabling the body's adaptation to changing nutritional, metabolic and inflammatory environments. PPARs hence regulate several pathways involved in NASH pathogenesis. Whereas single PPAR agonists exert robust anti-NASH activity in several preclinical models, their clinical effects on histological endpoints of NASH resolution and fibrosis regression appear more modest. Simultaneous activation of several PPAR isotypes across different organs and within-organ cell types, resulting in pleiotropic actions, enhances the therapeutic potential of PPAR agonists as pharmacological agents for NASH and NASH-related hepatic and extrahepatic morbidity, with some compounds having already shown clinical efficacy on histological endpoints.
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Affiliation(s)
- Bart Staels
- University of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France.
| | - Laura Butruille
- University of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Sven Francque
- Department of Gastroenterology Hepatology, Antwerp University Hospital, Drie Eikenstraat 655, B-2650, Edegem, Belgium; InflaMed Centre of Excellence, Laboratory for Experimental Medicine and Paediatrics, Translational Sciences in Inflammation and Immunology, Faculty of Medicine and Health Sciences, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium.
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25
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Abstract
Chronic liver diseases such as nonalcoholic fatty liver disease (NAFLD) or viral hepatitis are characterized by persistent inflammation and subsequent liver fibrosis. Liver fibrosis critically determines long-term morbidity (for example, cirrhosis or liver cancer) and mortality in NAFLD and nonalcoholic steatohepatitis (NASH). Inflammation represents the concerted response of various hepatic cell types to hepatocellular death and inflammatory signals, which are related to intrahepatic injury pathways or extrahepatic mediators from the gut-liver axis and the circulation. Single-cell technologies have revealed the heterogeneity of immune cell activation concerning disease states and the spatial organization within the liver, including resident and recruited macrophages, neutrophils as mediators of tissue repair, auto-aggressive features of T cells as well as various innate lymphoid cell and unconventional T cell populations. Inflammatory responses drive the activation of hepatic stellate cells (HSCs), and HSC subsets, in turn, modulate immune mechanisms via chemokines and cytokines or transdifferentiate into matrix-producing myofibroblasts. Current advances in understanding the pathogenesis of inflammation and fibrosis in the liver, mainly focused on NAFLD or NASH owing to the high unmet medical need, have led to the identification of several therapeutic targets. In this Review, we summarize the inflammatory mediators and cells in the diseased liver, fibrogenic pathways and their therapeutic implications.
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Affiliation(s)
- Linda Hammerich
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum and Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum and Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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26
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Bala S, Zhuang Y, Nagesh PT, Catalano D, Zivny A, Wang Y, Xie J, Gao G, Szabo G. Therapeutic inhibition of miR-155 attenuates liver fibrosis via STAT3 signaling. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 33:413-427. [PMID: 37547286 PMCID: PMC10403732 DOI: 10.1016/j.omtn.2023.07.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 07/11/2023] [Indexed: 08/08/2023]
Abstract
Most chronic liver diseases progress to liver fibrosis, which, when left untreated, can lead to cirrhosis and hepatocellular carcinoma. MicroRNA (miRNA)-targeted therapeutics have become attractive approaches to treat diseases. In this study, we investigated the therapeutic effect of miR-155 inhibition in the bile duct ligation (BDL) mouse model of liver fibrosis and evaluated the role of miR-155 in chronic liver fibrosis using miR-155-deficient (miR-155 knockout [KO]) mice. We found increased hepatic miR-155 expression in patients with cirrhosis and in the BDL- and CCl4-induced mouse models of liver fibrosis. Liver fibrosis was significantly reduced in miR-155 KO mice after CCl4 administration or BDL. To assess the therapeutic potential of miR-155 inhibition, we administered an rAAV8-anti-miR-155 tough decoy in vivo that significantly reduced liver damage and fibrosis in BDL. BDL-induced protein levels of transforming growth factor β (TGF-β), p-SMAD2/3, and p-STAT3 were attenuated in anti-miR-155-treated compared with control mice. Hepatic stellate cells from miR-155 KO mice showed attenuation in activation and mesenchymal marker expression. In vitro, miR-155 gain- and loss-of-function studies revealed that miR-155 regulates activation of stellate cells partly via STAT3 signaling. Our study suggests that miR-155 is the key regulator of liver fibrosis and might be a potential therapeutic target to attenuate fibrosis progression.
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Affiliation(s)
- Shashi Bala
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Yuan Zhuang
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | | | - Donna Catalano
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Adam Zivny
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Yanbo Wang
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Jun Xie
- Horae Gene Therapy Center, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA
| | - Guangping Gao
- Horae Gene Therapy Center, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA
| | - Gyongyi Szabo
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
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Qi J, Li L, Yan X, Hua W, Zhou Z. Sappanone A Alleviates the Severity of Carbon Tetrachloride-Induced Liver Fibrosis in Mice. Antioxidants (Basel) 2023; 12:1718. [PMID: 37760020 PMCID: PMC10526100 DOI: 10.3390/antiox12091718] [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: 07/14/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Liver fibrosis is a major challenge to global health because of its various complications, including cirrhosis and hepatocarcinoma, while no effective treatment is available for it. Sappanone A (SA) is a homoisoflavonoid extracted from the heartwood of Caesalpinia sappan Linn. with anti-inflammatory and antioxidant properties. However, the effects of SA on hepatic fibrosis remain unknown. This study aimed to investigate the protective effects of SA on carbon tetrachloride (CCl4)-induced liver fibrosis in mice. To establish a liver fibrosis model, mice were treated intraperitoneally (i.p.) with CCl4 for 4 weeks. SA (25, 50, and 100 mg/kg body weight) was i.p. injected every other day during the same period. Our data indicated that SA decreased liver injury, fibrotic responses, and inflammation due to CCl4 exposure. Consistently, SA reduced oxidative stress and its-mediated hepatocyte death in fibrotic livers. Of note, SA could not directly affect the activation of hepatic stellate cells. Mechanistically, SA treatment lessened oxidative stress-triggered cell death in hepatocytes after CCl4 exposure. SA down-regulated the expression of M1 macrophage polarization markers (CD86 and iNOS) and up-regulated the expression of M2 macrophage polarization markers (CD163, IL-10, and Arg1) in livers and macrophages. Meanwhile, SA induced the activation of peroxisome proliferator-activated receptor gamma (PPARγ). However, decreased inflammatory responses and the trend of M2 macrophage polarization provided by SA were substantially abolished by SR202 (a PPARγ inhibitor) treatment in macrophages. Additionally, SA treatment promoted fibrosis regression. Taken together, our findings revealed that treatment with SA alleviated CCl4-induced fibrotic liver in mice through suppression of oxidative stress-mediated hepatocyte death and promotion of M2 macrophage polarization via PPARγ. Thus, SA might pave the way for a new hepatoprotective agent to treat liver fibrosis.
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Affiliation(s)
- Jing Qi
- Department of Biochemistry and Molecular Biology, The School of Basic Medical Sciences, Fujian Medical University, No. 1, Xuefu North Road, University Town, Fuzhou 350122, China;
| | - Lanqian Li
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (L.L.); (W.H.)
| | - Xueqing Yan
- Department of Biochemistry and Molecular Biology, The School of Basic Medical Sciences, Fujian Medical University, No. 1, Xuefu North Road, University Town, Fuzhou 350122, China;
| | - Wenxi Hua
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (L.L.); (W.H.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
| | - Zixiong Zhou
- Department of Pathology and Institute of Oncology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China; (L.L.); (W.H.)
- Diagnostic Pathology Center, Fujian Medical University, Fuzhou 350122, China
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28
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Fligor SC, Tsikis ST, Hirsch TI, Pan A, Moskowitzova K, Rincon-Cruz L, Whitlock AE, Mitchell PD, Nedder AP, Gura KM, Fraser DA, Puder M. A Medium-Chain Fatty Acid Analogue Prevents Intestinal Failure-Associated Liver Disease in Preterm Yorkshire Piglets. Gastroenterology 2023; 165:733-745.e9. [PMID: 37263310 PMCID: PMC10527514 DOI: 10.1053/j.gastro.2023.05.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/28/2023] [Accepted: 05/16/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND & AIMS At least 20%-30% of patients with intestinal failure receiving long-term parenteral nutrition will develop intestinal failure-associated liver disease (IFALD), for which there are few therapeutic options. SEFA-6179 is a first-in-class structurally engineered medium-chain fatty acid analogue that acts through GPR84, PPARα, and PPARγ agonism. We hypothesized that SEFA-6179 would prevent biochemical and histologic liver injury in a preterm piglet model of IFALD. METHODS Preterm Yorkshire piglets were delivered by cesarean section, and parenteral nutrition was provided for 14 days via implanted central venous catheters. Animals were treated with either medium-chain triglyceride vehicle control or SEFA-6179. RESULTS Compared to medium-chain triglyceride vehicle at day of life 15, SEFA-6179 prevented biochemical cholestasis (direct bilirubin: 1.9 vs <0.2 mg/dL, P = .01; total bilirubin: 2.7 vs 0.4 mg/dL, P = .02; gamma glutamyl transferase: 172 vs 30 U/L, P = .01). SEFA-6179 also prevented steatosis (45.6 vs 13.9 mg triglycerides/g liver tissue, P = .009), reduced bile duct proliferation (1.6% vs 0.5% area cytokeratin 7 positive, P = .009), and reduced fibrosis assessed by a masked pathologist (median Ishak score: 3 vs 1, P = 0.007). RNA sequencing of liver tissue demonstrated that SEFA-6179 broadly impacted inflammatory, metabolic, and fibrotic pathways, consistent with its in vitro receptor activity (GPR84/PPARα/PPARγ agonist). CONCLUSIONS In a preterm piglet model of IFALD, SEFA-6179 treatment prevented biochemical cholestasis and steatosis and reduced bile duct proliferation and fibrosis. SEFA-6179 is a promising first-in-class therapy for the prevention and treatment of IFALD that will be investigated in an upcoming phase II clinical trial.
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Affiliation(s)
- Scott C Fligor
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Savas T Tsikis
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Thomas I Hirsch
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Amy Pan
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts
| | - Kamila Moskowitzova
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Lorena Rincon-Cruz
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Ashlyn E Whitlock
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Paul D Mitchell
- Institutional Centers for Clinical and Translational Research, Boston Children's Hospital, Boston, Massachusetts
| | - Arthur P Nedder
- Animal Resources Children's Hospital, Boston Children's Hospital, Boston, Massachusetts
| | - Kathleen M Gura
- Harvard Medical School, Boston, Massachusetts; Department of Pharmacy and the Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, Massachusetts
| | | | - Mark Puder
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
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29
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Kamata S, Honda A, Ishii I. Current Clinical Trial Status and Future Prospects of PPAR-Targeted Drugs for Treating Nonalcoholic Fatty Liver Disease. Biomolecules 2023; 13:1264. [PMID: 37627329 PMCID: PMC10452531 DOI: 10.3390/biom13081264] [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: 08/01/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
The number of patients with nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH) is increasing globally and is raising serious concerns regarding the increasing medical and economic burden incurred for their treatment. The progression of NASH to more severe conditions such as cirrhosis and hepatocellular carcinoma requires liver transplantation to avoid death. Therefore, therapeutic intervention is required in the NASH stage, although no therapeutic drugs are currently available for this. Several anti-NASH candidate drugs have been developed that enable treatment via the modulation of distinct signaling cascades and include a series of drugs targeting peroxisome proliferator-activated receptor (PPAR) subtypes (PPARα/δ/γ) that are considered to be attractive because they can regulate both systemic lipid metabolism and inflammation. Multiple PPAR dual/pan agonists have been developed but only a few of them have been evaluated in clinical trials for NAFLD/NASH. Herein, we review the current clinical trial status and future prospects of PPAR-targeted drugs for treating NAFLD/NASH. In addition, we summarize our recent findings on the binding modes and the potencies/efficacies of several candidate PPAR dual/pan agonists to estimate their therapeutic potentials against NASH. Considering that the development of numerous PPAR dual/pan agonists has been abandoned because of their serious side effects, we also propose a repositioning of the already approved, safety-proven PPAR-targeted drugs against NAFLD/NASH.
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Affiliation(s)
| | | | - Isao Ishii
- Department of Health Chemistry, Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan; (S.K.); (A.H.)
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30
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McConnell MJ, Kostallari E, Ibrahim SH, Iwakiri Y. The evolving role of liver sinusoidal endothelial cells in liver health and disease. Hepatology 2023; 78:649-669. [PMID: 36626620 PMCID: PMC10315420 DOI: 10.1097/hep.0000000000000207] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 11/25/2022] [Indexed: 01/12/2023]
Abstract
LSECs are a unique population of endothelial cells within the liver and are recognized as key regulators of liver homeostasis. LSECs also play a key role in liver disease, as dysregulation of their quiescent phenotype promotes pathological processes within the liver including inflammation, microvascular thrombosis, fibrosis, and portal hypertension. Recent technical advances in single-cell analysis have characterized distinct subpopulations of the LSECs themselves with a high resolution and defined their gene expression profile and phenotype, broadening our understanding of their mechanistic role in liver biology. This article will review 4 broad advances in our understanding of LSEC biology in general: (1) LSEC heterogeneity, (2) LSEC aging and senescence, (3) LSEC role in liver regeneration, and (4) LSEC role in liver inflammation and will then review the role of LSECs in various liver pathologies including fibrosis, DILI, alcohol-associated liver disease, NASH, viral hepatitis, liver transplant rejection, and ischemia reperfusion injury. The review will conclude with a discussion of gaps in knowledge and areas for future research.
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Affiliation(s)
- Matthew J. McConnell
- Section of Digestive Disease, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
| | | | - Samar H. Ibrahim
- Division of Gastroenterology, Mayo Clinic, Rochester, MN
- Division of Pediatric Gastroenterology, Mayo Clinic, Rochester, MN
| | - Yasuko Iwakiri
- Section of Digestive Disease, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
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31
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Kamata S, Honda A, Ishikawa R, Akahane M, Fujita A, Kaneko C, Miyawaki S, Habu Y, Shiiyama Y, Uchii K, Machida Y, Oyama T, Ishii I. Functional and Structural Insights into the Human PPARα/δ/γ Targeting Preferences of Anti-NASH Investigational Drugs, Lanifibranor, Seladelpar, and Elafibranor. Antioxidants (Basel) 2023; 12:1523. [PMID: 37627519 PMCID: PMC10451623 DOI: 10.3390/antiox12081523] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/19/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
No therapeutic drugs are currently available for nonalcoholic steatohepatitis (NASH) that progresses from nonalcoholic fatty liver via oxidative stress-involved pathways. Three cognate peroxisome proliferator-activated receptor (PPAR) subtypes (PPARα/δ/γ) are considered as attractive targets. Although lanifibranor (PPARα/δ/γ pan agonist) and saroglitazar (PPARα/γ dual agonist) are currently under investigation in clinical trials for NASH, the development of seladelpar (PPARδ-selective agonist), elafibranor (PPARα/δ dual agonist), and many other dual/pan agonists has been discontinued due to serious side effects or little/no efficacies. This study aimed to obtain functional and structural insights into the potency, efficacy, and selectivity against PPARα/δ/γ of three current and past anti-NASH investigational drugs: lanifibranor, seladelpar, and elafibranor. Ligand activities were evaluated by three assays to detect different facets of the PPAR activation: transactivation assay, coactivator recruitment assay, and thermal stability assay. Seven high-resolution cocrystal structures (namely, those of the PPARα/δ/γ-ligand-binding domain (LBD)-lanifibranor, PPARα/δ/γ-LBD-seladelpar, and PPARα-LBD-elafibranor) were obtained through X-ray diffraction analyses, six of which represent the first deposit in the Protein Data Bank. Lanifibranor and seladelpar were found to bind to different regions of the PPARα/δ/γ-ligand-binding pockets and activated all PPAR subtypes with different potencies and efficacies in the three assays. In contrast, elafibranor induced transactivation and coactivator recruitment (not thermal stability) of all PPAR subtypes, but the PPARδ/γ-LBD-elafibranor cocrystals were not obtained. These results illustrate the highly variable PPARα/δ/γ activation profiles and binding modes of these PPAR ligands that define their pharmacological actions.
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Affiliation(s)
- Shotaro Kamata
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Akihiro Honda
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Ryo Ishikawa
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Makoto Akahane
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Ayane Fujita
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Chihiro Kaneko
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Saeka Miyawaki
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Yuki Habu
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Yui Shiiyama
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Kie Uchii
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Yui Machida
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
| | - Takuji Oyama
- Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan
| | - Isao Ishii
- Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan
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32
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Zhu J, Fan J, Xia Y, Wang H, Li Y, Feng Z, Fu C. Potential therapeutic targets of macrophages in inhibiting immune damage and fibrotic processes in musculoskeletal diseases. Front Immunol 2023; 14:1219487. [PMID: 37545490 PMCID: PMC10400722 DOI: 10.3389/fimmu.2023.1219487] [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: 05/09/2023] [Accepted: 07/04/2023] [Indexed: 08/08/2023] Open
Abstract
Macrophages are a heterogeneous cell type with high plasticity, exhibiting unique activation characteristics that modulate the progression and resolution of diseases, serving as a key mediator in maintaining tissue homeostasis. Macrophages display a variety of activation states in response to stimuli in the local environment, with their subpopulations and biological functions being dependent on the local microenvironment. Resident tissue macrophages exhibit distinct transcriptional profiles and functions, all of which are essential for maintaining internal homeostasis. Dysfunctional macrophage subpopulations, or an imbalance in the M1/M2 subpopulation ratio, contribute to the pathogenesis of diseases. In skeletal muscle disorders, immune and inflammatory damage, as well as fibrosis induced by macrophages, are prominent pathological features. Therefore, targeting macrophages is of great significance for maintaining tissue homeostasis and treating skeletal muscle disorders. In this review, we discuss the receptor-ligand interactions regulating macrophages and identify potential targets for inhibiting collateral damage and fibrosis in skeletal muscle disorders. Furthermore, we explore strategies for modulating macrophages to maintain tissue homeostasis.
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Affiliation(s)
- Jianshu Zhu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Jiawei Fan
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
| | - Yuanliang Xia
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Hengyi Wang
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Yuehong Li
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Zijia Feng
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
| | - Changfeng Fu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
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Zhang CY, Liu S, Yang M. Treatment of liver fibrosis: Past, current, and future. World J Hepatol 2023; 15:755-774. [PMID: 37397931 PMCID: PMC10308286 DOI: 10.4254/wjh.v15.i6.755] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/01/2023] [Accepted: 04/18/2023] [Indexed: 06/25/2023] Open
Abstract
Liver fibrosis accompanies the progression of chronic liver diseases independent of etiologies, such as hepatitis viral infection, alcohol consumption, and metabolic-associated fatty liver disease. It is commonly associated with liver injury, inflammation, and cell death. Liver fibrosis is characterized by abnormal accumulation of extracellular matrix components that are expressed by liver myofibroblasts such as collagens and alpha-smooth actin proteins. Activated hepatic stellate cells contribute to the major population of myofibroblasts. Many treatments for liver fibrosis have been investigated in clinical trials, including dietary supplementation (e.g., vitamin C), biological treatment (e.g., simtuzumab), drug (e.g., pegbelfermin and natural herbs), genetic regulation (e.g., non-coding RNAs), and transplantation of stem cells (e.g., hematopoietic stem cells). However, none of these treatments has been approved by Food and Drug Administration. The treatment efficacy can be evaluated by histological staining methods, imaging methods, and serum biomarkers, as well as fibrosis scoring systems, such as fibrosis-4 index, aspartate aminotransferase to platelet ratio, and non-alcoholic fatty liver disease fibrosis score. Furthermore, the reverse of liver fibrosis is slowly and frequently impossible for advanced fibrosis or cirrhosis. To avoid the life-threatening stage of liver fibrosis, anti-fibrotic treatments, especially for combined behavior prevention, biological treatment, drugs or herb medicines, and dietary regulation are needed. This review summarizes the past studies and current and future treatments for liver fibrosis.
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Affiliation(s)
- Chun-Ye Zhang
- Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, United States
| | - Shuai Liu
- Department of Radiology,The First Affiliated Hospital, Zhejiang University, Hangzhou 310006, Zhejiang Province, China
| | - Ming Yang
- Department of Surgery, University of Missouri, Columbia, MO 65211, United States
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Guan W, Qi W. Ginsenoside Rh2: A shining and potential natural product in the treatment of human nonmalignant and malignant diseases in the near future. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 118:154938. [PMID: 37406390 DOI: 10.1016/j.phymed.2023.154938] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/11/2023] [Accepted: 06/19/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND Ginseng is well-known as one of the most valuable and commonly used Chinese medicines not only in ancient China but also worldwide including East, Russia, Southeast Asia, North America and some Western European countries. Ginsenosides, as one of the main high active components of Ginseng, have various pharmacological activities, such as anti-inflammatory, antianaphylaxis, anti-depression, and anticancer activities. Ginsenoside Rh2 (Rh2), one of the major bioactive ginsenosides in Panax ginseng, also exhibits versatile pharmacological activities, such as increasing non-specific resistance and specific immune response, improving cardiac function and fibrosis, anti-inflammatory effects and antitumor effects, which may serve as an excellent medicinal potential. PURPOSE As one of hundreds of ginsenosides being identified from ginseng, Rh2 exerts a markedly pharmacological effect on various diseases without severe toxicity, it has attracted many researchers 'attention. Although Rh2 plays important roles in some animal models and cell lines to simulate human diseases, its underlying molecular mechanisms have yet to be determined. During the past ten years, nearly 450 studies on Rh2 in the treatment of complex disease have been reported, however, up to now, no comprehensive reviews about the roles of Rh2 in animal models and cellular lines of human nonmalignant and malignant diseases have been conducted. METHOD We searched articles on ginsenoside-related diseases from December 2010 to February 2023 in peer-reviewed and nonclinical databases, which include Web of Science, Scopus, PubMed, China national knowledge internet and Medline, and using the following keywords: Ginsenoside Rh2, Human diseases, Cancer, Mechanisms, Chinese herbal medicine, Natural products and Signaling pathway. RESULTS Therefore, in this review, we make a comprehensive summary on the roles of Rh2 and support the potential mechanisms of Rh2 according to the disease classification, including nonmalignant disease such as ulcerative colitis, neuropathic pain, Asthma, myocardial injury, depression and malignant disease such as breast cancer, colorectal cancer, hepatocellular carcinoma and gastric cancer. Finally, the combination therapy of Rh2 and other medications in human diseases are summarized, apart from that, there are other problems such as the bioavailability of oral administration Rh2 to be overcome in following research. CONCLUSION These findings provide strong evidence that Ginsenoside Rh2 plays important roles in the treatment of nonmalignant and malignant diseases.
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Affiliation(s)
- Wei Guan
- Department of Pharmacology, Pharmacy College, Nantong University, Nantong 226001, Jiangsu, China; School of Medicine, Nantong University, Nantong, China
| | - Wang Qi
- Department of Pharmacology, The First People's Hospital of Yancheng, Yancheng, 224000, Jiangsu, China.
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35
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Ortega-Ribera M, Gibert-Ramos A, Abad-Jordà L, Magaz M, Téllez L, Paule L, Castillo E, Pastó R, de Souza Basso B, Olivas P, Orts L, Lozano JJ, Villa R, Bosch J, Albillos A, García-Pagán JC, Gracia-Sancho J. Increased sinusoidal pressure impairs liver endothelial mechanosensing, uncovering novel biomarkers of portal hypertension. JHEP Rep 2023; 5:100722. [PMID: 37151732 PMCID: PMC10154975 DOI: 10.1016/j.jhepr.2023.100722] [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: 07/12/2022] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 05/09/2023] Open
Abstract
Background & Aims Portal hypertension (PH) is a frequent and severe clinical syndrome associated with chronic liver disease. Considering the mechanobiological effects of hydrostatic pressure and shear stress on endothelial cells, we hypothesised that PH might influence the phenotype of liver sinusoidal endothelial cells (LSECs) during disease progression. The aim of this study was to investigate the effects of increased hydrodynamic pressure on LSECs and to identify endothelial-derived biomarkers of PH. Methods Primary LSECs were cultured under normal or increased hydrodynamic pressure within a pathophysiological range (1 vs. 12 mmHg) using a microfluidic liver-on-a-chip device. RNA sequencing was used to identify pressure-sensitive genes, which were validated in liver biopsies from two independent cohorts of patients with chronic liver disease with PH (n = 73) and participants without PH (n = 23). Biomarker discovery was performed in two additional independent cohorts of 104 patients with PH and 18 patients without PH. Results Transcriptomic analysis revealed marked deleterious effect of pathological pressure in LSECs and identified chromobox 7 (CBX7) as a key transcription factor diminished by pressure. Hepatic CBX7 downregulation was validated in patients with PH and significantly correlated with hepatic venous pressure gradient. MicroRNA 181a-5p was identified as pressure-induced upstream regulator of CBX7. Two downstream targets inhibited by CBX7, namely, E-cadherin (ECAD) and serine protease inhibitor Kazal-type 1 (SPINK1), were found increased in the bloodstream of patients with PH and were highly predictive of PH and clinically significant PH. Conclusions We characterise the detrimental effects of increased hydrodynamic pressure on the sinusoidal endothelium, identify CBX7 as a pressure-sensitive transcription factor, and propose the combination of two of its reported products as biomarkers of PH. Impact and Implications Increased pressure in the portal venous system that typically occurs during chronic liver disease (called portal hypertension) is one of the main drivers of related clinical complications, which are linked to a higher risk of death. In this study, we found that pathological pressure has a harmful effect on liver sinusoidal endothelial cells and identified CBX7 as a key protein involved in this process. CBX7 regulates the expression of E-cadherin and SPINK1, and consequently, measuring these proteins in the blood of patients with chronic liver disease allows the prediction of portal hypertension and clinically significant portal hypertension.
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Affiliation(s)
- Martí Ortega-Ribera
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
| | - Albert Gibert-Ramos
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
| | - Laia Abad-Jordà
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
| | - Marta Magaz
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
| | - Luis Téllez
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
- Gastroenterology and Hepatology Department, Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Biosanitaria (IRYCIS), Universidad de Alcalá, Madrid, Spain
| | - Lorena Paule
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
- Gastroenterology and Hepatology Department, Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Biosanitaria (IRYCIS), Universidad de Alcalá, Madrid, Spain
| | - Elisa Castillo
- Gastroenterology and Hepatology Department, Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Biosanitaria (IRYCIS), Universidad de Alcalá, Madrid, Spain
| | - Raül Pastó
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
| | - Bruno de Souza Basso
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- PUCRS, Escola de Ciências, Laboratório de Pesquisa em Biofísica Celular e Inflamação, Porto Alegre, Brazil
| | - Pol Olivas
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
| | - Lara Orts
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
| | - Juan José Lozano
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
| | - Rosa Villa
- Grupo de Aplicaciones Biomédicas, Institut de Microelectrònica de Barcelona, IMB-CNM (CSIC), Esfera UAB, Bellaterra, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBERBBN), Madrid, Spain
| | - Jaime Bosch
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Agustín Albillos
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
- Gastroenterology and Hepatology Department, Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Biosanitaria (IRYCIS), Universidad de Alcalá, Madrid, Spain
| | - Joan Carles García-Pagán
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS Biomedical Research Institute, Barcelona, Spain
- Biomedical Research Networking Center in Hepatic and Digestive Diseases (CIBEREHD), Madrid, Spain
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Corresponding author. Address: IDIBAPS Biomedical Research Institute, Rosselló 149, 08036, Barcelona, Spain. Tel.: +34 932275400 #4306
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Shi Q, Yuan X, Zeng Y, Wang J, Zhang Y, Xue C, Li L. Crosstalk between Gut Microbiota and Bile Acids in Cholestatic Liver Disease. Nutrients 2023; 15:nu15102411. [PMID: 37242293 DOI: 10.3390/nu15102411] [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: 04/19/2023] [Revised: 05/13/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023] Open
Abstract
Emerging evidence suggests the complex interactions between gut microbiota and bile acids, which are crucial end products of cholesterol metabolism. Cholestatic liver disease is characterized by dysfunction of bile production, secretion, and excretion, as well as excessive accumulation of potentially toxic bile acids. Given the importance of bile acid homeostasis, the complex mechanism of the bile acid-microbial network in cholestatic liver disease requires a thorough understanding. It is urgent to summarize the recent research progress in this field. In this review, we highlight how gut microbiota regulates bile acid metabolism, how bile acid pool shapes the bacterial community, and how their interactions contribute to the pathogenesis of cholestatic liver disease. These advances might provide a novel perspective for the development of potential therapeutic strategies that target the bile acid pathway.
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Affiliation(s)
- Qingmiao Shi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Xin Yuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Yifan Zeng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jinzhi Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Yaqi Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Chen Xue
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
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Huang R, Deng J, Zhu CP, Liu SQ, Cui YL, Chen F, Zhang X, Tao X, Xie WF. Sulodexide attenuates liver fibrosis in mice by restoration of differentiated liver sinusoidal endothelial cell. Biomed Pharmacother 2023; 160:114396. [PMID: 36791568 DOI: 10.1016/j.biopha.2023.114396] [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: 12/29/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
Sulodexide is a heparinoid compound with wide-ranging pharmacological activities. However, the effect of sulodexide on liver fibrogenesis has not been reported. In this study, we aim to evaluate the therapeutic potential of sulodexide in mouse model of liver fibrosis and explore the underlying antifibrotic mechanisms. We found that sulodexide treatment significantly attenuated thioacetamide (TAA) and 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC)-induced liver fibrosis in mice. Transcriptome analysis revealed that sulodexide treatment downregulated fibrosis-related genes and liver sinusoidal endothelial cells (LSECs) capillarization-associated genes in fibrotic livers. Immunohistochemistry confirmed that the increased expression of LSEC capillarization-related genes (CD34, CD31 and Laminin) in liver fibrotic tissues was reduced by sulodexide treatment. Scanning electron microscopy showed that LSECs fenestrations were preserved upon sulodexide treatment. Quantitative real-time PCR and immunofluorescence demonstrated that the expression of mesenchymal markers was downregulated by sulodexide administration, suggesting sulodexide inhibited endothelial-mesenchymal transition of LSECs during liver fibrosis. Furthermore, sulodexide administration protected primary LSECs from endothelial dysfunction in vitro. In conclusion, sulodexide attenuated liver fibrosis in mice by restoration of differentiated LSECs, indicating that sulodexide treatment may present as a potential therapy for patients with liver fibrosis.
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Affiliation(s)
- Ru Huang
- Department of Gastroenterology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Juan Deng
- Department of Gastroenterology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China
| | - Chang-Peng Zhu
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Shu-Qing Liu
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Ya-Lu Cui
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Fei Chen
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Xin Zhang
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Xia Tao
- Department of Pharmacology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.
| | - Wei-Fen Xie
- Department of Gastroenterology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, China; Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China; Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200120, China.
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Wang SJ, Ye W, Li WY, Tian W, Zhang M, Sun Y, Feng YD, Liu CX, Liu SY, Cao W, Meng JR, Li XQ. Effects and mechanisms of Xiaochaihu Tang against liver fibrosis: An integration of network pharmacology, molecular docking and experimental validation. JOURNAL OF ETHNOPHARMACOLOGY 2023; 303:116053. [PMID: 36529247 DOI: 10.1016/j.jep.2022.116053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 12/05/2022] [Accepted: 12/10/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Liver fibrosis is a potentially harmful chronic liver disease caused by various etiologies. There is currently no specific drug for liver fibrosis. Xiaochaihu Tang (XCHT) is a traditional formula combined of seven herbs, which was first recorded in the Treatise on Febrile Diseases in Han Dynasty of ancient China. It is widely used in clinic to hepatic protection, analgesic, antipyretic and anti-inflammatory treatment. And it has been recommended for treating chronic hepatitis and chronic cholecystitis in the latest guidelines for the diagnosis and treatment of liver fibrosis with integrated traditional and western medicine. However, the underlying regulatory mechanisms remain elusive. AIM OF THE STUDY This study aims to explore the therapeutic effects of XCHT on liver fibrosis and its underlying molecular mechanisms from the perspective of network pharmacology and experimental research. MATERIALS AND METHODS Carbon tetrachloride (CCl4) induced and bile duct ligation (BDL) induced liver fibrosis models in mice were established to evaluate the anti-fibrosis effects of XCHT in vivo. Potential anti-fibrosis targets of XCHT were screened via network establishment. The underlying mechanisms were uncovered through GO and pathway enrichment analysis. Then, the core targets were identified from protein-protein interaction network by means of the Cytohubba plug-in of Cytoscape. Furthermore, two effective monomer components of XCHT were recognized by molecular docking. Moreover, the predicted components and pathways were verified by in vitro experiments. RESULTS When treated with XCHT, liver fibrosis was alleviated in both mice models, showing as the improvement of liver function, the protection of hepatocytes, the inhibition of HSC activation and the reduction of hepatic collagen accumulation. 540 monomer components, 300 therapeutic targets, 109 signaling pathways, 246 GO biological processes, 77 GO cellular components, 107 GO molecular functions items and core targets were identified by network analysis. Then, 6-gingerol and baicalein were identified as the core components of anti-fibrosis effects of XCHT via leptin or Nrf2 signaling pathway. Furthermore, the experiment in vitro also validated the results. CONCLUSIONS Our study suggests XCHT could alleviate liver fibrosis through multi-targets and multi-pathways; 6-gingerol and baicalein are its core components which may play an important role via leptin or Nrf2 signaling pathway.
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Affiliation(s)
- Shou-Jia Wang
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Wen Ye
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Wan-Yi Li
- School of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150081, China
| | - Wen Tian
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Meng Zhang
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Yang Sun
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Ying-Da Feng
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Chen-Xu Liu
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Shao-Yuan Liu
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China
| | - Wei Cao
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Department of Pharmacy, School of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Jing-Ru Meng
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China.
| | - Xiao-Qiang Li
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Key Laboratory of Qin Medicine R&D of the Shaanxi Province Administration of Traditional Chinese Medicine, Xi'an, Shaanxi, 710032, China.
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Wiering L, Subramanian P, Hammerich L. Hepatic Stellate Cells: Dictating Outcome in Nonalcoholic Fatty Liver Disease. Cell Mol Gastroenterol Hepatol 2023; 15:1277-1292. [PMID: 36828280 PMCID: PMC10148161 DOI: 10.1016/j.jcmgh.2023.02.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/15/2023] [Accepted: 02/15/2023] [Indexed: 02/26/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a fast growing, chronic liver disease affecting ∼25% of the global population. Nonalcoholic fatty liver disease severity ranges from the less severe simple hepatic steatosis to the more advanced nonalcoholic steatohepatitis (NASH). The presence of NASH predisposes individuals to liver fibrosis, which can further progress to cirrhosis and hepatocellular carcinoma. This makes hepatic fibrosis an important indicator of clinical outcomes in patients with NASH. Hepatic stellate cell activation dictates fibrosis development during NASH. Here, we discuss recent advances in the analysis of the profibrogenic pathways and mediators of hepatic stellate cell activation and inactivation, which ultimately determine the course of disease in nonalcoholic fatty liver disease/NASH.
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Affiliation(s)
- Leke Wiering
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, BIH Charité Junior Clinician Scientist Program, Berlin, Germany
| | - Pallavi Subramanian
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Linda Hammerich
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany.
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Fibrosis: Types, Effects, Markers, Mechanisms for Disease Progression, and Its Relation with Oxidative Stress, Immunity, and Inflammation. Int J Mol Sci 2023; 24:ijms24044004. [PMID: 36835428 PMCID: PMC9963026 DOI: 10.3390/ijms24044004] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/15/2023] [Accepted: 01/19/2023] [Indexed: 02/19/2023] Open
Abstract
Most chronic inflammatory illnesses include fibrosis as a pathogenic characteristic. Extracellular matrix (ECM) components build up in excess to cause fibrosis or scarring. The fibrotic process finally results in organ malfunction and death if it is severely progressive. Fibrosis affects nearly all tissues of the body. The fibrosis process is associated with chronic inflammation, metabolic homeostasis, and transforming growth factor-β1 (TGF-β1) signaling, where the balance between the oxidant and antioxidant systems appears to be a key modulator in managing these processes. Virtually every organ system, including the lungs, heart, kidney, and liver, can be affected by fibrosis, which is characterized as an excessive accumulation of connective tissue components. Organ malfunction is frequently caused by fibrotic tissue remodeling, which is also frequently linked to high morbidity and mortality. Up to 45% of all fatalities in the industrialized world are caused by fibrosis, which can damage any organ. Long believed to be persistently progressing and irreversible, fibrosis has now been revealed to be a very dynamic process by preclinical models and clinical studies in a variety of organ systems. The pathways from tissue damage to inflammation, fibrosis, and/or malfunction are the main topics of this review. Furthermore, the fibrosis of different organs with their effects was discussed. Finally, we highlight many of the principal mechanisms of fibrosis. These pathways could be considered as promising targets for the development of potential therapies for a variety of important human diseases.
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Qiu L, Kong B, Kong T, Wang H. Recent advances in liver-on-chips: Design, fabrication, and applications. SMART MEDICINE 2023; 2:e20220010. [PMID: 39188562 PMCID: PMC11235950 DOI: 10.1002/smmd.20220010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 10/20/2022] [Indexed: 08/28/2024]
Abstract
The liver is a multifunctional organ and the metabolic center of the human body. Most drugs and toxins are metabolized in the liver, resulting in varying degrees of hepatotoxicity. The damage of liver will seriously affect human health, so it is very important to study the prevention and treatment of liver diseases. At present, there are many research studies in this field. However, most of them are based on animal models, which are limited by the time-consuming processes and species difference between human and animals. In recent years, liver-on-chips have emerged and developed rapidly and are expected to replace animal models. Liver-on-chips refer to the use of a small number of liver cells on the chips to simulate the liver microenvironment and ultrastructure in vivo. They hold extensive applications in multiple fields by reproducing the unique physiological functions of the liver in vitro. In this review, we first introduced the physiology and pathology of liver and then described the cell system of liver-on-chips, the chip-based liver models, and the applications of liver-on-chips in liver transplantation, drug screening, and metabolic evaluation. Finally, we discussed the currently encountered challenges and future trends in liver-on-chips.
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Affiliation(s)
- Linjie Qiu
- The Eighth Affiliated HospitalSun Yat‐Sen UniversityShenzhenChina
- School of MedicineSun Yat‐Sen UniversityShenzhenChina
| | - Bin Kong
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound ImagingDepartment of Biomedical EngineeringSchool of MedicineShenzhen UniversityShenzhenChina
| | - Tiantian Kong
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound ImagingDepartment of Biomedical EngineeringSchool of MedicineShenzhen UniversityShenzhenChina
| | - Huan Wang
- The Eighth Affiliated HospitalSun Yat‐Sen UniversityShenzhenChina
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Felli E, Nulan Y, Selicean S, Wang C, Gracia-Sancho J, Bosch J. Emerging Therapeutic Targets for Portal Hypertension. CURRENT HEPATOLOGY REPORTS 2023; 22:51-66. [PMID: 36908849 PMCID: PMC9988810 DOI: 10.1007/s11901-023-00598-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/18/2023] [Indexed: 02/13/2023]
Abstract
Purpose of Review Portal hypertension is responsible of the main complications of cirrhosis, which carries a high mortality. Recent treatments have improved prognosis, but this is still far from ideal. This paper reviews new potential therapeutic targets unveiled by advances of key pathophysiologic processes. Recent Findings Recent research highlighted the importance of suppressing etiologic factors and a safe lifestyle and outlined new mechanisms modulating portal pressure. These include intrahepatic abnormalities linked to inflammation, fibrogenesis, vascular occlusion, parenchymal extinction, and angiogenesis; impaired regeneration; increased hepatic vascular tone due to sinusoidal endothelial dysfunction with insufficient NO availability; and paracrine liver cell crosstalk. Moreover, pathways such as the gut-liver axis modulate splanchnic vasodilatation and systemic inflammation, exacerbate liver fibrosis, and are being targeted by therapy. We have summarized studies of new agents addressing these targets. Summary New agents, alone or in combination, allow acting in complementary mechanisms offering a more profound effect on portal hypertension while simultaneously limiting disease progression and favoring regression of fibrosis and of cirrhosis. Major changes in treatment paradigms are anticipated.
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Affiliation(s)
- Eric Felli
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
- Department for BioMedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
| | - Yelidousi Nulan
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
- Department for BioMedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
| | - Sonia Selicean
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
- Department for BioMedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
| | - Cong Wang
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
- Department for BioMedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
| | - Jordi Gracia-Sancho
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
- Department for BioMedical Research, Hepatology, University of Bern, 3012 Bern, Switzerland
- Liver Vascular Biology Research Group, CIBEREHD, IDIBAPS Research Institute, 08036 Barcelona, Spain
| | - Jaume Bosch
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, 3012 Bern, Switzerland
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Zhang H, Yang L, Yu Z, Li D, Li L, Li S, Yan J, Li X. Impact of fentanyl analgesia on the accuracy of HVPG measurements in patients with cirrhosis: a prospective, multicenter study. Hepatol Commun 2023; 7:e0002. [PMID: 36633485 PMCID: PMC9833446 DOI: 10.1097/hc9.0000000000000002] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/23/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND HVPG measurement is the gold standard for assessing portal hypertension. Many patients decline HVPG measurements due to associated pain. According to previous studies, propofol sedation during HVPG measurements potentially alters HVPG readings. However, opioid analgesics' effects on HVPG await full elucidation. This study aimed to evaluate fentanyl analgesia's effects on HVPG measurement accuracy in patients with cirrhosis. METHODS This prospective, multicenter study included patients with cirrhosis undergoing HVPG measurements, which were performed preanalgesia and under analgesia with fentanyl injection (1.0 or 1.5 μg/kg). RESULTS Of the 48 enrolled patients with cirrhosis, 23 were administered 1.0 μg/kg fentanyl analgesia during HVPG measurement. The HVPG was 13.4±4.9 mm Hg in preanalgesia and 13.5±5.2 mm Hg under analgesia. HVPG measurement accuracy was not altered after fentanyl analgesia (p = 0.801). The following measures also did not change: heart rate (p = 0.132), mean arterial pressure (p = 0.348), and blood oxygen saturation (p = 0.748); however, respiratory rate (p = 0.001) changes occurred. The Verbal Numerical Rating Score for comfort under analgesia was higher than that in preanalgesia (p = 0.001). Twenty-five patients were administered 1.5 μg/kg fentanyl analgesia during HVPG measurement. The HVPG was 19.5±5.7 mm Hg in preanalgesia and 19.6±5.6 mm Hg under analgesia. HVPG measurement accuracy did not alter after fentanyl analgesia (p = 0.469). Similarly, the following measures did not change: mean arterial pressure (p = 0.871) and oxygen saturation (p = 0.327); nevertheless, respiratory rate (p = 0.015) and heart rate (p = 0.019) changes occurred. The Verbal Numerical Rating Score for comfort under analgesia was higher than that in preanalgesia (p < 0.001). CONCLUSION Fentanyl analgesia did not alter HVPG measurement accuracy, and fentanyl improved comfort in patients with cirrhosis during HVPG measurements.
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Affiliation(s)
- Haijun Zhang
- Department of Anesthesiology and Operating Theater, The First Hospital of Lanzhou University, Lanzhou, China
| | - Lili Yang
- Department of Anesthesiology, Lishui Central Hospital, Lishui, China
| | - Ziniu Yu
- Division of Hepatobiliary and Pancreatic Surgery, Hepatobiliary and Pancreatic Interventional Treatment Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dan Li
- Evidence Based Social Science Research Center/Health Technology Assessment Center, School of Public Health, Lanzhou University, Lanzhou, China
| | - Lei Li
- Interventional Radiology Department, The First Hospital of Lanzhou University, Lanzhou, China
| | - Shuangxi Li
- Interventional Radiology Department, The First Hospital of Lanzhou University, Lanzhou, China
| | - Jun Yan
- The Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, China
| | - Xun Li
- Department of Anesthesiology and Operating Theater, The First Hospital of Lanzhou University, Lanzhou, China
- The Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, China
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
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Mitten EK, Baffy G. Mechanotransduction in the pathogenesis of non-alcoholic fatty liver disease. J Hepatol 2022; 77:1642-1656. [PMID: 36063966 DOI: 10.1016/j.jhep.2022.08.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/09/2022] [Accepted: 08/17/2022] [Indexed: 12/14/2022]
Abstract
Mechanobiology is a domain of interdisciplinary research that aims to explore the impact of physical force, applied externally or internally, on cell and tissue function, including development, growth, and differentiation. Mechanotransduction is a term that describes how cells sense physical forces (such as compression, stretch, and shear stress), convert them into biochemical signals, and mount adaptive responses integrated by the nucleus. There is accumulating evidence that mechanical forces extensively inform the biological behaviour of liver cells in health and disease. Recent research has elucidated many cellular and molecular mechanisms involved in this process including the pleiotropic control and diverse effects of the paralogous transcription co-activators YAP/TAZ, which play a prominent role in mechanotransduction. The liver sinusoids represent a unique microenvironment in which cells are exposed to mechanical cues originating in the cytoskeleton and at interfaces with adjacent cells, the extracellular matrix, and vascular or interstitial fluids. In non-alcoholic fatty liver disease (NAFLD), hepatocellular lipid accumulation and ballooning, activation of inflammatory responses, dysfunction of liver sinusoidal endothelial cells, and transdifferentiation of hepatic stellate cells into a pro-contractile and pro-fibrotic phenotype have been associated with aberrant cycles of mechanosensing and mechanoresponses. The downstream consequences of disrupted mechanical homeostasis likely contribute to the progression of NAFLD and promote the development of portal hypertension, cirrhosis, and hepatocellular carcinoma. Identification of molecular targets involved in pathogenic mechanotransduction will allow for the development of novel strategies to prevent the progression of liver disease in NAFLD.
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Affiliation(s)
- Emilie K Mitten
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - György Baffy
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Section of Gastroenterology, Department of Medicine, VA Boston Healthcare System, Boston MA, USA.
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Kaur S, Kidambi S, Ortega-Ribera M, Thuy LTT, Nieto N, Cogger VC, Xie WF, Tacke F, Gracia-Sancho J. In Vitro Models for the Study of Liver Biology and Diseases: Advances and Limitations. Cell Mol Gastroenterol Hepatol 2022; 15:559-571. [PMID: 36442812 PMCID: PMC9868680 DOI: 10.1016/j.jcmgh.2022.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 11/23/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
In vitro models of liver (patho)physiology, new technologies, and experimental approaches are progressing rapidly. Based on cell lines, induced pluripotent stem cells or primary cells derived from mouse or human liver as well as whole tissue (slices), such in vitro single- and multicellular models, including complex microfluidic organ-on-a-chip systems, provide tools to functionally understand mechanisms of liver health and disease. The International Society of Hepatic Sinusoidal Research (ISHSR) commissioned this working group to review the currently available in vitro liver models and describe the advantages and disadvantages of each in the context of evaluating their use for the study of liver functionality, disease modeling, therapeutic discovery, and clinical applicability.
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Affiliation(s)
- Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Srivatsan Kidambi
- Department of Chemical and Biomolecular Engineering, University of Nebraska, Lincoln, Nebraska
| | - Martí Ortega-Ribera
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Le Thi Thanh Thuy
- Department of Hepatology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan
| | - Natalia Nieto
- Department of Pathology, University of Illinois at Chicago, Chicago, Illinois
| | - Victoria C Cogger
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Wei-Fen Xie
- Department of Gastroenterology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Jordi Gracia-Sancho
- Liver Vascular Biology, IDIBAPS Biomedical Research Institute, CIBEREHD, Barcelona, Spain; Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland; Department for BioMedical Research, Visceral Surgery and Medicine, University of Bern, Switzerland.
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Clare K, Dillon JF, Brennan PN. Reactive Oxygen Species and Oxidative Stress in the Pathogenesis of MAFLD. J Clin Transl Hepatol 2022; 10:939-946. [PMID: 36304513 PMCID: PMC9547261 DOI: 10.14218/jcth.2022.00067] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/22/2022] [Accepted: 06/06/2022] [Indexed: 12/04/2022] Open
Abstract
The pathogenesis of metabolic-associated fatty liver disease (MAFLD) is complex and thought to be dependent on multiple parallel hits on a background of genetic susceptibility. The evidence suggests that MAFLD progression is a dynamic two-way process relating to repetitive bouts of metabolic stress and inflammation interspersed with endogenous anti-inflammatory reparative responses. In MAFLD, excessive hepatic lipid accumulation causes the production of lipotoxins that induce mitochondrial dysfunction, endoplasmic reticular stress, and over production of reactive oxygen species (ROS). Models of MAFLD show marked disruption of mitochondrial function and reduced oxidative capacitance with impact on cellular processes including mitophagy, oxidative phosphorylation, and mitochondrial biogenesis. In excess, ROS modify insulin and innate immune signaling and alter the expression and activity of essential enzymes involved in lipid homeostasis. ROS can also cause direct damage to intracellular structures causing hepatocyte injury and death. In select cases, the use of anti-oxidants and ROS scavengers have been shown to diminish the pro-apoptopic effects of fatty acids. Given this link, endogenous anti-oxidant pathways have been a target of interest, with Nrf2 activation showing a reduction in oxidative stress and inflammation in models of MAFLD. Thyroid hormone receptor β (THRβ) agonists and nuclear peroxisome proliferation-activated receptor (PPAR) family have also gained interest in reducing hepatic lipotoxicity and restoring hepatic function in models of MAFLD. Unfortunately, the true interplay between the clinical and molecular components of MAFLD progression remain only partly understood. Most recently, multiomics-based strategies are being adopted for hypothesis-free analysis of the molecular changes in MAFLD. Transcriptome profiling maps the unique genotype-phenotype associations in MAFLD and with various single-cell transcriptome-based projects underway, there is hope of novel physiological insights to MAFLD progression and uncover therapeutic targets.
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Affiliation(s)
- Kathleen Clare
- Royal Alexandra Hospital, Paisley, NHS Greater Glasgow and Clyde, PA2 9PN, UK
| | - John F. Dillon
- University of Dundee, Ninewells Hospital and Medical School, Dundee, DD1 9SY, UK
| | - Paul N. Brennan
- University of Dundee, Ninewells Hospital and Medical School, Dundee, DD1 9SY, UK
- University of Edinburgh, Edinburgh BioQuarter, 5 Little France Drive, EH16 4UU, UK
- Correspondence to: Paul N. Brennan, University of Dundee, Division of Molecular and Clinical Medicine, Ninewells Hospital and Medical School, Dundee, DD1 9SY, UK. ORCID: https://orcid.org/0000-0001-8368-1478. Tel: +44-7445308786, E-mail:
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Zhang D, Zhang Y, Sun B. The Molecular Mechanisms of Liver Fibrosis and Its Potential Therapy in Application. Int J Mol Sci 2022; 23:ijms232012572. [PMID: 36293428 PMCID: PMC9604031 DOI: 10.3390/ijms232012572] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/27/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022] Open
Abstract
Liver fibrosis results from repeated and persistent liver damage. It can start with hepatocyte injury and advance to inflammation, which recruits and activates additional liver immune cells, leading to the activation of the hepatic stellate cells (HSCs). It is the primary source of myofibroblasts (MFs), which result in collagen synthesis and extracellular matrix protein accumulation. Although there is no FDA and EMA-approved anti-fibrotic drug, antiviral therapy has made remarkable progress in preventing or even reversing the progression of liver fibrosis, but such a strategy remains elusive for patients with viral, alcoholic or nonalcoholic steatosis, genetic or autoimmune liver disease. Due to the complexity of the etiology, combination treatments affecting two or more targets are likely to be required. Here, we review the pathogenic mechanisms of liver fibrosis and signaling pathways involved, as well as various molecular targets for liver fibrosis treatment. The development of efficient drug delivery systems that target different cells in liver fibrosis therapy is also summarized. We highlight promising anti-fibrotic events in clinical trial and preclinical testing, which include small molecules and natural compounds. Last, we discuss the challenges and opportunities in developing anti-fibrotic therapies.
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Affiliation(s)
- Danyan Zhang
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Yaguang Zhang
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- Correspondence: (Y.Z.); (B.S.); Tel.: +86-21-5492-1375 (Y.Z.); +86-21-5492-1375 (B.S.)
| | - Bing Sun
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
- Correspondence: (Y.Z.); (B.S.); Tel.: +86-21-5492-1375 (Y.Z.); +86-21-5492-1375 (B.S.)
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Garbuzenko DV. Current strategies for targeted therapy of liver fibrosis. BULLETIN OF SIBERIAN MEDICINE 2022. [DOI: 10.20538/1682-0363-2022-3-154-165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Liver fibrosis (LF) is an unfavorable event in the natural course of chronic liver diseases (CLD), therefore, early implementation and widespread use of antifibrotic therapy methods is a pressing issue in hepatology. The aim of the review was to describe current approaches to targeted therapy of LF.PubMed database, Google Scholar search engine, Cochrane Database of Systematic Reviews, eLIBRARY.RU scientific electronic library, as well as reference lists of articles were used to search for scientific articles. The publications that corresponded to the aim of the study were selected for the period from 1998 to 2021 by the terms “liver fibrosis”, “pathogenesis”, and “treatment”. Inclusion criteria were restricted to targeted therapy of LF.Despite the growing evidence for reversibility of LF, there are currently no effective or clinically approved regimens for its specific therapy. However, taking into account the relevance of the issue, scientific research in this area is necessary. Multiple drugs with a good safety profile have been studied, which, though intended for other purposes, can have a positive effect on LF. In addition, a number of innovative approaches that differ from pharmacotherapy inspire optimism about finding a solution to this problem. It is obvious that studies focused on well-characterized groups of patients with confirmed histologic, elastography, clinical, and radiological parameters are required. This is a challenging task, since the key point will be stratification of risk based on ethnicity, etiology, and clinical status, and very large samples will be required for a reliable assessment. Nevertheless, the solution will increase efficiency of treatment for patients with CLD, improve their prognosis and quality of life, and significantly reduce the need for liver transplantation, a demand for which remains extremely high worldwide.
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Virendra SA, Kumar A, Chawla PA, Mamidi N. Development of Heterocyclic PPAR Ligands for Potential Therapeutic Applications. Pharmaceutics 2022; 14:2139. [PMID: 36297575 PMCID: PMC9611956 DOI: 10.3390/pharmaceutics14102139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
The family of nuclear peroxisome proliferator-activated receptors (PPARα, PPARβ/δ, and PPARγ) is a set of ligand-activated transcription factors that regulate different functions in the body. Whereas activation of PPARα is known to reduce the levels of circulating triglycerides and regulate energy homeostasis, the activation of PPARγ brings about insulin sensitization and increases the metabolism of glucose. On the other hand, PPARβ when activated increases the metabolism of fatty acids. Further, these PPARs have been claimed to be utilized in various metabolic, neurological, and inflammatory diseases, neurodegenerative disorders, fertility or reproduction, pain, and obesity. A series of different heterocyclic scaffolds have been synthesized and evaluated for their ability to act as PPAR agonists. This review is a compilation of efforts on the part of medicinal chemists around the world to find novel compounds that may act as PPAR ligands along with patents in regards to PPAR ligands. The structure-activity relationship, as well as docking studies, have been documented to better understand the mechanistic investigations of various compounds, which will eventually aid in the design and development of new PPAR ligands. From the results of the structural activity relationship through the pharmacological and in silico evaluation the potency of heterocycles as PPAR ligands can be described in terms of their hydrogen bonding, hydrophobic interactions, and other interactions with PPAR.
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Affiliation(s)
- Sharma Arvind Virendra
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Ankur Kumar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Pooja A. Chawla
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Narsimha Mamidi
- Department of Chemistry and Nanotechnology, School of Engineering and Sciences, Tecnologico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Nuevo Leon, Mexico
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Miao L, Xu J, Targher G, Byrne CD, Zheng MH. Old and new classes of glucose-lowering agents as treatments for non-alcoholic fatty liver disease: A narrative review. Clin Mol Hepatol 2022; 28:725-738. [PMID: 35286799 PMCID: PMC9597221 DOI: 10.3350/cmh.2022.0015] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/11/2022] [Indexed: 01/05/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) has become the most common chronic liver disease with a global prevalence of about 55% in people with type 2 diabetes mellitus (T2DM). T2DM, obesity and NAFLD are three closely inter-related pathological conditions. In addition, T2DM is one of the strongest clinical risk factors for the faster progression of NAFLD to non-alcoholic steatohepatitis (NASH), cirrhosis and hepatocellular carcinoma. Increasing evidence suggests that newer classes of glucose-lowering drugs, such as peroxisome proliferator-activated receptor agonists, glucagon-like peptide-1 receptor agonists, dipeptidyl peptidase-4 inhibitors or sodium-glucose cotransporter-2 inhibitors, could reduce the rates of NAFLD progression. This narrative review aims to briefly summarize the recent results from randomized controlled trials testing the efficacy and safety of old and new glucose-lowering drugs for the treatment of NAFLD or NASH in adults both with and without coexisting T2DM.
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Affiliation(s)
- Lei Miao
- Department of Gastroenterology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jing Xu
- Department of Endocrinology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Giovanni Targher
- Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, University and Azienda Ospedaliera Universitaria Integrata of Verona, Verona, Italy
| | - Christopher D Byrne
- Southampton National Institute for Health Research Biomedical Research Centre, University Hospital Southampton, Southampton General Hospital, Southampton, UK
| | - Ming-Hua Zheng
- NAFLD Research Center, Department of Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China,Key Laboratory of Diagnosis and Treatment for The Development of Chronic Liver Disease in Zhejiang Province, Wenzhou, China,Corresponding author : Ming-Hua Zheng NAFLD Research Center, Department of Hepatology, The First Affiliated Hospital of Wenzhou Medical University, No. 2 Fuxue Lane, Wenzhou 325000, China Tel: +86-577-55579611, Fax: +86-577-55578522, E-mail:
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