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Artru F, Trovato F, Morrison M, Bernal W, McPhail M. Liver transplantation for acute-on-chronic liver failure. Lancet Gastroenterol Hepatol 2024; 9:564-576. [PMID: 38309288 DOI: 10.1016/s2468-1253(23)00363-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/02/2023] [Accepted: 10/13/2023] [Indexed: 02/05/2024]
Abstract
Acute-on-chronic liver failure (ACLF) occurs in the context of advanced liver disease and is associated with hepatic and extrahepatic organ failure, eventually leading to a major risk of short-term mortality. To date, there are very few effective therapeutic options for ACLF. In many cases, liver transplantation is the only life-saving treatment that has acceptable outcomes in carefully selected recipients. This Review addresses key aspects of the use of liver transplantation for patients with ACLF, providing an in-depth discussion of existing evidence regarding candidate selection, the optimal window for transplantation, potential prioritisation of liver grafts for this indication, and the global management of ACLF to bridge patients to liver transplantation.
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Affiliation(s)
- Florent Artru
- Liver Intensive Care Unit, Institute of Liver Studies, King's College Hospital, London, UK; Department of Inflammation Biology, School of Infection and Microbial Sciences, King's College London, London, UK; Liver Disease Unit, Rennes University Hospital, Rennes, France; Inerm 1241 NuMeCan, University of Rennes, Rennes, France
| | - Francesca Trovato
- Liver Intensive Care Unit, Institute of Liver Studies, King's College Hospital, London, UK; Department of Inflammation Biology, School of Infection and Microbial Sciences, King's College London, London, UK
| | - Maura Morrison
- Liver Intensive Care Unit, Institute of Liver Studies, King's College Hospital, London, UK
| | - William Bernal
- Liver Intensive Care Unit, Institute of Liver Studies, King's College Hospital, London, UK.
| | - Mark McPhail
- Liver Intensive Care Unit, Institute of Liver Studies, King's College Hospital, London, UK; Department of Inflammation Biology, School of Infection and Microbial Sciences, King's College London, London, UK
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2
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Gananandan K, Wiese S, Møller S, Mookerjee RP. Cardiac dysfunction in patients with cirrhosis and acute decompensation. Liver Int 2024. [PMID: 38712826 DOI: 10.1111/liv.15896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 05/08/2024]
Abstract
The prevalence of cirrhotic cardiomyopathy (CCM) has been reported as high as 60%-70% in patients with liver cirrhosis and is associated with various negative outcomes. There has been a growing understanding of CCM over recent years. Indeed, the development of imaging techniques has enabled new diagnostic criteria to be proposed by the Cirrhotic Cardiomyopathy Consortium. However, important unanswered questions remain over pathophysiological mechanisms, optimal diagnostic modalities and potential treatment options. While there has been an increasing volume of literature evaluating CCM, there is a lack of clarity on its implications in acute decompensation, acute-on-chronic liver failure and following interventions such as transjugular intrahepatic portosystemic shunt insertion and liver transplantation. This review aims to summarise the literature in these challenging domains and suggest where future research should focus. We conclude that systemic inflammation and structural myocardial changes are likely to be crucial in the pathophysiology of the disease, but the relative contribution of different components remains elusive. Furthermore, future studies need to use standardised diagnostic criteria for CCM as well as incorporate newer imaging techniques assessing both myocardial structure and function. Finally, while specific treatments are currently lacking, therapeutics targeting systemic inflammation, microbial dysbiosis and bacterial translocation are promising targets and warrant further research.
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Affiliation(s)
- Kohilan Gananandan
- Liver Failure Group, Institute for Liver and Digestive Health, University College London, London, UK
| | - Signe Wiese
- Centre of Functional Imaging and Research, Department of Clinical Physiology and Nuclear Medicine, University of Copenhagen, Copenhagen, Denmark
- Gastroenterology Unit, Medical Division, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Søren Møller
- Centre of Functional Imaging and Research, Department of Clinical Physiology and Nuclear Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rajeshwar P Mookerjee
- Liver Failure Group, Institute for Liver and Digestive Health, University College London, London, UK
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
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3
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Artru F, McPhail MJ. Immunopathogenesis of acute on chronic liver failure. Am J Transplant 2024; 24:724-732. [PMID: 38346497 DOI: 10.1016/j.ajt.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 01/13/2024] [Accepted: 02/01/2024] [Indexed: 02/23/2024]
Abstract
Acute-on-chronic liver failure is a well-established description of a high-mortality syndrome of chronic liver disease (usually cirrhosis) with organ failure. While the exact definition is under refinement, the accepted understanding of this entity is in patients with chronic liver disease and various organs in failure and where systemic inflammation is a major component of the pathobiology. There are limited therapies for a disease with such a poor prognosis, and while improvements in the critical care management and for very few patients, liver transplantation, mean 50% can survive to hospital discharge, rapid application of new therapies is required. Here we explain the current understanding of the immunologic abnormalities seen in acute-on-chronic liver failure across the innate and adaptive immune systems, the role of the hepatic cell death and the gut-liver axis, and recommendations for future research and treatment paradigms.
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Affiliation(s)
- Florent Artru
- Institute of Liver Studies, King's College Hospital, London, United Kingdom; Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom; Liver department and NUMECAN institute, Rennes University Hospital and Rennes University, France
| | - Mark J McPhail
- Institute of Liver Studies, King's College Hospital, London, United Kingdom; Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom.
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4
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Kumar P, Hassan M, Tacke F, Engelmann C. Delineating the heterogeneity of senescence-induced-functional alterations in hepatocytes. Cell Mol Life Sci 2024; 81:200. [PMID: 38684535 PMCID: PMC11058795 DOI: 10.1007/s00018-024-05230-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 03/11/2024] [Accepted: 04/07/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND AND AIM Cellular senescence of hepatocytes involves permanent cell cycle arrest, disrupted cellular bioenergetics, resistance to cell death, and the release of pro-inflammatory cytokines. This 'zombie-like' state perpetuates harmful effects on tissues and holds potential implications for liver disease progression. Remarkably, senescence exhibits heterogeneity, stemming from two crucial factors: the inducing stressor and the cell type. As such, our present study endeavors to characterize stressor-specific changes in senescence phenotype, its related molecular patterns, and cellular bioenergetics in primary mouse hepatocytes (PMH) and hepatocyte-derived liver organoids (HepOrgs). METHODS PMH, isolated by collagenase-perfused mouse liver (C57B6/J; 18-23 weeks), were cultured overnight in William's E-medium supplemented with 2% FBS, L-glutamine, and hepatocyte growth supplements. HepOrgs were developed by culturing cells in a 3D matrix for two weeks. The senescence was induced by DNA damage (doxorubicin, cisplatin, and etoposide), oxidative stress (H2O2, and ethanol), and telomere inhibition (BIBR-1532), p53 activation (nutlin-3a), DNA methyl transferase inhibition (5-azacitidine), and metabolism inhibitors (galactosamine and hydroxyurea). SA-β galactosidase activity, immunofluorescence, immunoblotting, and senescence-associated secretory phenotype (SASP), and cellular bioenergetics were used to assess the senescence phenotype. RESULTS Each senescence inducer triggers a unique combination of senescence markers in hepatocytes. All senescence inducers, except hydroxyurea and ethanol, increased SA-β galactosidase activity, the most commonly used marker for cellular senescence. Among the SASP factors, CCL2 and IL-10 were consistently upregulated, while Plasminogen activator inhibitor-1 exhibited global downregulation across all modes of senescence. Notably, DNA damage response was activated by DNA damage inducers. Cell cycle markers were most significantly reduced by doxorubicin, cisplatin, and galactosamine. Additionally, DNA damage-induced senescence shifted cellular bioenergetics capacity from glycolysis to oxidative phosphorylation. In HepOrgs exposed to senescence inducers, there was a notable increase in γH2A.X, p53, and p21 levels. Interestingly, while showing a similar trend, SASP gene expression in HepOrgs was significantly higher compared to PMH, demonstrating a several-fold increase. CONCLUSION In our study, we demonstrated that each senescence inducer activates a unique combination of senescence markers in PMH. Doxorubicin demonstrated the highest efficacy in inducing senescence, followed by cisplatin and H2O2, with no impact on apoptosis. Each inducer prompted DNA damage response and mitochondrial dysfunction, independent of MAPK/AKT.
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Affiliation(s)
- Pavitra Kumar
- Department of Hepatology and Gastroenterology, Medizinische Klinik m. S. Hepatologie und Gastroenterologie, Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Augustenburger Platz 1, Forum 4, Raum 2.0704a, 13353, Berlin, Germany
| | - Mohsin Hassan
- Department of Hepatology and Gastroenterology, Medizinische Klinik m. S. Hepatologie und Gastroenterologie, Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Augustenburger Platz 1, Forum 4, Raum 2.0704a, 13353, Berlin, Germany
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Medizinische Klinik m. S. Hepatologie und Gastroenterologie, Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Augustenburger Platz 1, Forum 4, Raum 2.0704a, 13353, Berlin, Germany
| | - Cornelius Engelmann
- Department of Hepatology and Gastroenterology, Medizinische Klinik m. S. Hepatologie und Gastroenterologie, Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Augustenburger Platz 1, Forum 4, Raum 2.0704a, 13353, Berlin, Germany.
- Berlin Institute of Health (BIH), 10178, Berlin, Germany.
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5
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Liu J, MacNaughtan J, Kerbert AJC, Portlock T, Martínez Gonzalez J, Jin Y, Clasen F, Habtesion A, Ji H, Jin Q, Phillips A, De Chiara F, Ingavle G, Jimenez C, Zaccherini G, Husi K, Rodriguez Gandia MA, Cordero P, Soeda J, McConaghy L, Oben J, Church K, Li JV, Wu H, Jalan A, Gines P, Solà E, Eaton S, Morgan C, Kowalski M, Green D, Gander A, Edwards LA, Cox IJ, Cortez-Pinto H, Avery T, Wiest R, Durand F, Caraceni P, Elosua R, Vila J, Pavesi M, Arroyo V, Davies N, Mookerjee RP, Vargas V, Sandeman S, Mehta G, Shoaie S, Marchesi J, Albillos A, Andreola F, Jalan R. Clinical, experimental and pathophysiological effects of Yaq-001: a non-absorbable, gut-restricted adsorbent in models and patients with cirrhosis. Gut 2024:gutjnl-2023-330699. [PMID: 38621924 DOI: 10.1136/gutjnl-2023-330699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 03/17/2024] [Indexed: 04/17/2024]
Abstract
OBJECTIVE Targeting bacterial translocation in cirrhosis is limited to antibiotics with risk of antimicrobial resistance. This study explored the therapeutic potential of a non-absorbable, gut-restricted, engineered carbon bead adsorbent, Yaq-001 in models of cirrhosis and acute-on-chronic liver failure (ACLF) and, its safety and tolerability in a clinical trial in cirrhosis. DESIGN Performance of Yaq-001 was evaluated in vitro. Two-rat models of cirrhosis and ACLF, (4 weeks, bile duct ligation with or without lipopolysaccharide), receiving Yaq-001 for 2 weeks; and two-mouse models of cirrhosis (6-week and 12-week carbon tetrachloride (CCl4)) receiving Yaq-001 for 6 weeks were studied. Organ and immune function, gut permeability, transcriptomics, microbiome composition and metabolomics were analysed. The effect of faecal water on gut permeability from animal models was evaluated on intestinal organoids. A multicentre, double-blind, randomised, placebo-controlled clinical trial in 28 patients with cirrhosis, administered 4 gr/day Yaq-001 for 3 months was performed. RESULTS Yaq-001 exhibited rapid adsorption kinetics for endotoxin. In vivo, Yaq-001 reduced liver injury, progression of fibrosis, portal hypertension, renal dysfunction and mortality of ACLF animals significantly. Significant impact on severity of endotoxaemia, hyperammonaemia, liver cell death, systemic inflammation and organ transcriptomics with variable modulation of inflammation, cell death and senescence in the liver, kidneys, brain and colon was observed. Yaq-001 reduced gut permeability in the organoids and impacted positively on the microbiome composition and metabolism. Yaq-001 regulated as a device met its primary endpoint of safety and tolerability in the clinical trial. CONCLUSIONS This study provides strong preclinical rationale and safety in patients with cirrhosis to allow clinical translation. TRIAL REGISTRATION NUMBER NCT03202498.
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Affiliation(s)
- Jinxia Liu
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
- Department of Gastroenterology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Jane MacNaughtan
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Annarein J C Kerbert
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Theo Portlock
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK
| | - Javier Martínez Gonzalez
- Hospital Ramón y Cajal, IRYCIS, CIBEREHD, Universidad de Alcalá, Madrid, Spain
- Liver Unit, Hospital Vall d'Hebron, Universitat Autónoma, CIBERehd, Barcelona, Spain
| | - Yi Jin
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK
| | - Frederick Clasen
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK
| | - Abeba Habtesion
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Huoyan Ji
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Qin Jin
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, China
| | - Alexandra Phillips
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Francesco De Chiara
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Ganesh Ingavle
- Centre for Regenerative Medicine and Devices, School of Applied Sciences, University of Brighton, Brighton, UK
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University), Pune, India
| | - Cesar Jimenez
- Liver Unit, Hospital Vall d'Hebron, Universitat Autónoma, CIBERehd, Barcelona, Spain
| | - Giacomo Zaccherini
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Unit of Semeiotics, Liver and Alcohol-related Diseases, University of Bologna Hospital of Bologna Sant'Orsola-Malpighi Polyclinic, Bologna, Italy
| | - Katherine Husi
- Department of Gastroenterology, Inselspital University Hospital Bern, Bern, Switzerland
| | | | - Paul Cordero
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University), Pune, India
| | - Junpei Soeda
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Lynda McConaghy
- Yaqrit Discovery Limited. The Elms Courtyard, Bromesberrow, Ledbury, UK
| | - Jude Oben
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Karen Church
- Yaqrit Discovery Limited. The Elms Courtyard, Bromesberrow, Ledbury, UK
| | - Jia V Li
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Haifeng Wu
- Department of Gastroenterology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | | | - Pere Gines
- Liver Unit, Hospital Clinic of Barcelona, IDIBAPS, Faculty of Medicine and Health sciences, University of Barcelona, Barcelona, Spain
| | - Elsa Solà
- Liver Unit, Hospital Clinic of Barcelona, IDIBAPS, Faculty of Medicine and Health sciences, University of Barcelona, Barcelona, Spain
| | - Simon Eaton
- Institute of Child Health, University College London, London, UK
| | - Carrie Morgan
- Yaqrit Discovery Limited. The Elms Courtyard, Bromesberrow, Ledbury, UK
| | - Michal Kowalski
- Yaqrit Discovery Limited. The Elms Courtyard, Bromesberrow, Ledbury, UK
| | - Daniel Green
- Yaqrit Discovery Limited. The Elms Courtyard, Bromesberrow, Ledbury, UK
| | - Amir Gander
- Tissue Access for Patient Benefit, University College London, London, UK
| | - Lindsey A Edwards
- Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, Guy's Tower, Guy's Hospital, King's College London, London, UK
- Institute of Liver Studies, School of Immunology and Microbial Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - I Jane Cox
- The Roger Williams Institute of Hepatology, Foundation for Liver Research, London, UK
- Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Helena Cortez-Pinto
- Clínica Universitária de Gastrenterologia, Laboratório de Nutrição, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | | | - Reiner Wiest
- UVCM Gastroenterology, University Bern, Bern, Switzerland
| | - Francois Durand
- Hepatology and Liver Intensive Care, Hospital Beaujon, Clichy, University paris Cité, Paris, France
| | - Paolo Caraceni
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Unit of Semeiotics, Liver and Alcohol Related Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | | | | | - Marco Pavesi
- European Foundation for the Study of Chronic Liver Failure (EF CLIF), Barcelona, Spain
| | - Vicente Arroyo
- European Foundation for the Study of Chronic Liver Failure (EF CLIF), Barcelona, Spain
| | - Nathan Davies
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Rajeshwar P Mookerjee
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Victor Vargas
- Liver Unit, Hospital Vall d'Hebron, Universitat Autónoma, CIBERehd, Barcelona, Spain
| | - Susan Sandeman
- Centre for Regenerative Medicine and Devices, School of Applied Sciences, University of Brighton, Brighton, UK
| | - Gautam Mehta
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Saeed Shoaie
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK
| | - Julian Marchesi
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, St Mary's Hospital, Imperial College London, London, UK
| | - Agustín Albillos
- Department of Gastroenterology and Hepatology, Hospital Universitario Ramon y Cajal, Universidad de Alcalá, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Fausto Andreola
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
| | - Rajiv Jalan
- Liver Failure Group, UCL Institute for Liver & Digestive Health, Division of Medicine, London, UK
- European Foundation for the Study of Chronic Liver Failure (EF CLIF), Barcelona, Spain
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6
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Maiwall R, Singh SP, Angeli P, Moreau R, Krag A, Singh V, Singal AK, Tan SS, Puri P, Mahtab M, Lau G, Ning Q, Sharma MK, Rao PN, Kapoor D, Gupta S, Duseja A, Wadhawan M, Jothimani D, Saigal S, Taneja S, Shukla A, Puri P, Govil D, Pandey G, Madan K, Eapen CE, Benjamin J, Chowdhury A, Singh S, Salao V, Yang JM, Hamid S, Shalimar, Jasuja S, Kulkarni AV, Niriella MA, Tevethia HV, Arora V, Mathur RP, Roy A, Jindal A, Saraf N, Verma N, De A, Choudhary NS, Mehtani R, Chand P, Rudra O, Sarin SK. APASL clinical practice guidelines on the management of acute kidney injury in acute-on-chronic liver failure. Hepatol Int 2024:10.1007/s12072-024-10650-0. [PMID: 38578541 DOI: 10.1007/s12072-024-10650-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/20/2024] [Indexed: 04/06/2024]
Abstract
Acute-on-chronic liver failure (ACLF) is a syndrome that is characterized by the rapid development of organ failures predisposing these patients to a high risk of short-term early death. The main causes of organ failure in these patients are bacterial infections and systemic inflammation, both of which can be severe. For the majority of these patients, a prompt liver transplant is still the only effective course of treatment. Kidneys are one of the most frequent extrahepatic organs that are affected in patients with ACLF, since acute kidney injury (AKI) is reported in 22.8-34% of patients with ACLF. Approach and management of kidney injury could improve overall outcomes in these patients. Importantly, patients with ACLF more frequently have stage 3 AKI with a low rate of response to the current treatment modalities. The objective of the present position paper is to critically review and analyze the published data on AKI in ACLF, evolve a consensus, and provide recommendations for early diagnosis, pathophysiology, prevention, and management of AKI in patients with ACLF. In the absence of direct evidence, we propose expert opinions for guidance in managing AKI in this very challenging group of patients and focus on areas of future research. This consensus will be of major importance to all hepatologists, liver transplant surgeons, and intensivists across the globe.
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Affiliation(s)
- Rakhi Maiwall
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Satender Pal Singh
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Paolo Angeli
- Department of Internal Medicine and Hepatology, University of Padova, Padua, Italy
| | - Richard Moreau
- European Foundation for the Study of Chronic Liver Failure (EF CLIF), European Association for the Study of the Liver (EASL)-CLIF Consortium, and Grifols Chair, Barcelona, Spain
- Centre de Recherche sur l'Inflammation (CRI), Institut National de la Santé et de la Recherche Médicale (INSERM), Université Paris-Cité, Paris, France
- Service d'Hépatologie, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Beaujon, Clichy, France
| | - Aleksander Krag
- Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Virender Singh
- Punjab Institute of Liver and Biliary Sciences, Mohali, Punjab, India
| | - Ashwani K Singal
- Department of Medicine, University of Louisville School of Medicine, Trager Transplant Center and Jewish Hospital, Louisville, USA
| | - S S Tan
- Department of Medicine, Hospital Selayang, Bata Caves, Selangor, Malaysia
| | - Puneet Puri
- Department of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Mamun Mahtab
- Department of Hepatology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
| | - George Lau
- Humanity and Health Medical Group, Humanity and Health Clinical Trial Center, Hong Kong SAR, China
- The Fifth Medical Center of Chinese, PLA General Hospital, Beijing, 100039, China
| | - Qin Ning
- Department and Institute of Infectious Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- State Key Laboratory for Zoonotic Diseases, Wuhan, China
- Department of Pediatrics, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Manoj Kumar Sharma
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - P N Rao
- Department of Hepatology and Nutrition, Asian Institute of Gastroenterology, Hyderabad, India
| | - Dharmesh Kapoor
- Department of Hepatology, Gleneagles Global Hospitals, Hyderabad, Telangana, India
| | - Subhash Gupta
- Department of Surgery, Center for Liver and Biliary Sciences, Max Healthcare, Saket, New Delhi, India
| | - Ajay Duseja
- Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Manav Wadhawan
- Institute of Digestive & Liver Diseases, BLK Superspeciality Hospital Delhi, New Delhi, India
| | - Dinesh Jothimani
- Institute of Liver Disease and Transplantation, Dr Rela Institute and Medical Centre, Bharat Institute of Higher Education and Research, Chennai, India
| | - Sanjiv Saigal
- Department of Gastroenterology and Hepatology, Centre for Liver and Biliary Sciences, Max Super Speciality Hospital, Saket, New Delhi, India
| | - Sunil Taneja
- Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Akash Shukla
- Department of Gastroenterology, Seth GS Medical College and KEM Hospital, Mumbai, India
| | - Pankaj Puri
- Fortis Escorts Liver & Digestive Diseases Institute, New Delhi, India
| | - Deepak Govil
- Department of Critical Care and Anaesthesia, Medanta-The Medicity, Gurugram, Haryana, India
| | - Gaurav Pandey
- Gastroenterology and Hepatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Kaushal Madan
- Department of Gastroenterology and Hepatology, Centre for Liver and Biliary Sciences, Max Super Speciality Hospital, Saket, New Delhi, India
| | - C E Eapen
- Department of Hepatology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Jaya Benjamin
- Department of Clinical Nutrition, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Ashok Chowdhury
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Shweta Singh
- Centre for Liver and Biliary Sciences, Max Super Speciality Hospital, Saket, New Delhi, India
| | - Vaishali Salao
- Department of Critical Care, Fortis Hospital, Mulund, Mumbai, India
| | - Jin Mo Yang
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Saeed Hamid
- Department of Hepatology, Aga Khan University, Karachi, Pakistan
| | - Shalimar
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjiv Jasuja
- Department of Nephrology, Indraprastha Apollo Hospitals, New Delhi, India
| | | | - Madund A Niriella
- Department of Medicine, Faculty of Medicine, University of Kelaniya, Colombo, Sri Lanka
| | - Harsh Vardhan Tevethia
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Vinod Arora
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - R P Mathur
- Department of Nephrology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Akash Roy
- Department of Gastroenterology, Institute of Gastrosciences and Liver Transplantation, Apollo Hospitals, Kolkata, India
| | - Ankur Jindal
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Neeraj Saraf
- Institute of Liver Transplantation and Regenerative Medicine, Medanta-The Medicity, Gurgaon, Delhi (NCR), India
| | - Nipun Verma
- Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Arka De
- Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Narendra S Choudhary
- Department of Hepatology and Liver Transplantation, Medanta-The Medicity Hospital, Gurugram, Haryana, India
| | - Rohit Mehtani
- Department of Gastroenterology, Seth GS Medical College and KEM Hospital, Mumbai, India
| | - Phool Chand
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Omkar Rudra
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India
| | - Shiv Kumar Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, 110070, India.
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7
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Alam S, Lal BB. Pediatric Acute-on-Chronic Liver Failure. Indian J Pediatr 2024; 91:374-382. [PMID: 37347440 DOI: 10.1007/s12098-023-04717-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 06/02/2023] [Indexed: 06/23/2023]
Abstract
Acute-on-chronic liver failure (ACLF) is characterized by an acute hepatic insult happening in a patient with underlying cirrhosis with compromised hepatic reserve leading to development of systemic inflammation, sepsis, and organ failure resulting in poor outcome in majority. While Asia Pacific Association for Study of Liver Diseases (APASL) emphasizes on early diagnosis before development of organ failure, European Association for Study of Liver Diseases (EASL) mandates the presence of organ failures to define ACLF. There is a lack of consensus definition of pediatric ACLF although recent APASL guidelines have tried to address the issue. While Wilson disease (WD) and autoimmune hepatitis (AIH) are the most common cause of underlying cirrhosis in children, acute viral hepatitis and flares of WD and AIH are the commonest acute precipitating events. Poor outcomes [death and liver transplantation (LT)] ranging from 19 to 59% have been reported. Prognosis in pediatric ACLF is usually better than that in adults due to greater proportion of treatable etiologies, lesser organ failures, comorbidities and better hepatic reserves. APASL ACLF Research Consortium (AARC) score more than or equal to 11 is predictive of poor 28-90 d mortality. Treatment of pediatric ACLF relies mainly on prompt diagnosis and medical management of a potentially treatable etiology of underlying cirrhosis. Bridging therapies, especially high volume plasma exchange can be initiated early as a bridge to LT or native liver recovery. Those with no improvement in 4-7 d should undergo LT before development of sepsis or multi-organ failure.
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Affiliation(s)
- Seema Alam
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, 110070, India.
| | - Bikrant Bihari Lal
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, 110070, India
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Wang J, Wang Y, Zhu Y, Cui C, Feng T, Huang Q, Liu S, Wu Q. Peripheral inflammation triggering central anxiety through the hippocampal glutamate metabolized receptor 1. CNS Neurosci Ther 2024; 30:e14723. [PMID: 38676295 PMCID: PMC11053250 DOI: 10.1111/cns.14723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 02/01/2024] [Accepted: 03/30/2024] [Indexed: 04/28/2024] Open
Abstract
AIMS This study aimed to investigate the relationship between ulcerative colitis (UC) and anxiety and explore its central mechanisms using colitis mice. METHODS Anxiety-like behavior was assessed in mice induced by 3% dextran sodium sulfate (DSS) using the elevated plus maze and open-field test. The spatial transcriptome of the hippocampus was analyzed to assess the distribution of excitatory and inhibitory synapses, and Toll-like receptor 4 (TLR4) inhibitor TAK-242 (10 mg/kg) and AAV virus interference were used to examine the role of peripheral inflammation and central molecules such as Glutamate Receptor Metabotropic 1 (GRM1) in mediating anxiety behavior in colitis mice. RESULTS DSS-induced colitis increased anxiety-like behaviors, which was reduced by TAK-242. Spatial transcriptome analysis of the hippocampus showed an excitatory-inhibitory imbalance mediated by glutamatergic synapses, and GRM1 in hippocampus was identified as a critical mediator of anxiety behavior in colitis mice via differential gene screening and AAV virus interference. CONCLUSION Our work suggests that the hippocampus plays an important role in brain anxiety caused by peripheral inflammation, and over-excitation of hippocampal glutamate synapses by GRM1 activation induces anxiety-like behavior in colitis mice. These findings provide new insights into the central mechanisms underlying anxiety in UC and may contribute to the development of novel therapeutic strategies for UC-associated anxiety.
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Affiliation(s)
- Jun‐Meng Wang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Yue‐Mei Wang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Yuan‐Bing Zhu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Chan Cui
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Tong Feng
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Qin Huang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Shu‐Qing Liu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Qiao‐Feng Wu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
- Institute of Acupuncture and Homeostasis RegulationChengdu University of Traditional Chinese MedicineChengduChina
- Key Laboratory of Acupuncture for Senile Disease (Chengdu University of TCM), Ministry of EducationChengduChina
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9
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Wu YP, Li FC, Ma HY, Yang XY, Zuo J, Tian YX, Lv L, Wang K, Fan YC. Characteristics and risk factors for invasive fungal infection in hospitalized patients with acute-on-chronic hepatitis B liver failure: a retrospective cohort study from 2010 to 2023. Front Microbiol 2024; 15:1391814. [PMID: 38601929 PMCID: PMC11004317 DOI: 10.3389/fmicb.2024.1391814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 03/12/2024] [Indexed: 04/12/2024] Open
Abstract
Background and aim The global burden of invasive fungal infections (IFIs) is emerging in immunologic deficiency status from various disease. Patients with acute-on-chronic hepatitis B liver failure (ACHBLF) are prone to IFI and their conditions are commonly exacerbated by IFI. However, little is known about the characteristics and risk factors for IFI in hospitalized ACHBLF patients. Methods A total of 243 hospitalized ACHBLF patients were retrospectively enrolled from January 2010 to July 2023. We performed restricted cubic spline analysis to determine the non-linear associations between independent variables and IFI. The risk factors for IFI were identified using logistic regression and the extreme gradient boosting (XGBoost) algorithm. The effect values of the risk factors were determined by the SHapley Additive exPlanations (SHAP) method. Results There were 24 ACHBLF patients (9.84%) who developed IFI on average 17.5 (13.50, 23.00) days after admission. The serum creatinine level showed a non-linear association with the possibility of IFI. Multiple logistic regression revealed that length of hospitalization (OR = 1.05, 95% CI: 1.02-1.08, P = 0.002) and neutrophilic granulocyte percentage (OR = 1.04, 95% CI: 1.00-1.09, P = 0.042) were independent risk factors for IFI. The XGBoost algorithm showed that the use of antibiotics (SHAP value = 0.446), length of hospitalization (SHAP value = 0.406) and log (qHBV DNA) (SHAP value = 0.206) were the top three independent risk factors for IFI. Furthermore, interaction analysis revealed no multiplicative effects between the use of antibiotics and the use of glucocorticoids (P = 0.990). Conclusion IFI is a rare complication that leads to high mortality in hospitalized ACHBLF patients, and a high neutrophilic granulocyte percentage and length of hospitalization are independent risk factors for the occurrence of IFI.
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Affiliation(s)
- Yin-Ping Wu
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Feng-Cai Li
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Hang-Yu Ma
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Xue-Yan Yang
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Jing Zuo
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Yu-Xin Tian
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
| | - Li Lv
- Clinical Follow-up Center, Qilu Hospital of Shandong University, Jinan, China
| | - Kai Wang
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
- Hepatology Institute of Shandong University, Jinan, China
| | - Yu-Chen Fan
- Department of Hepatology, Qilu Hospital of Shandong University, Jinan, China
- Hepatology Institute of Shandong University, Jinan, China
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10
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Xu M, Chen Y, Artru F. Acute decompensation of cirrhosis versus acute-on-chronic liver failure: What are the clinical implications? United European Gastroenterol J 2024; 12:194-202. [PMID: 38376886 PMCID: PMC10954432 DOI: 10.1002/ueg2.12538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 12/20/2023] [Indexed: 02/21/2024] Open
Abstract
It is essential to identify the subgroup of patients who experience poorer outcomes in order to adapt clinical management effectively. In the context of liver disease, the earlier the identification occurs, the greater the range of therapeutic options that can be offered to patients. In the past, patients with acute decompensation (AD) of chronic liver disease were treated as a homogeneous group, with emphasis on identifying those at the highest risk of death. In the last 15 years, a differentiation has emerged between acute-on-chronic liver failure syndrome (ACLF) and AD, primarily due to indications that the latter is linked to a less favorable short-term prognosis. Nevertheless, the definition of ACLF varies among the different knowledge societies, making it challenging to assess its true impact compared with AD. Therefore, the purpose of this review is to provide a detailed analysis emphasizing the critical importance of identifying ACLF in the field of advanced liver disease. We will discuss the differences between Eastern and Western approaches, particularly in relation to the occurrence of liver failure and disease onset. Common characteristics, such as the dynamic nature of the disease course, will be highlighted. Finally, we will focus on two key clinical implications arising from these considerations: the prevention of ACLF before its onset and the clinical management strategies once it develops, including liver transplantation and withdrawal of care.
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Affiliation(s)
- Manman Xu
- Fourth Department of Liver Disease (Difficult & Complicated Liver Diseases and Artificial Liver Center), Beijing You'an Hospital Affiliated to Capital, Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing, China
| | - Yu Chen
- Fourth Department of Liver Disease (Difficult & Complicated Liver Diseases and Artificial Liver Center), Beijing You'an Hospital Affiliated to Capital, Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing, China
| | - Florent Artru
- Institute of Liver Studies, King's College Hospital, London, UK
- Liver Disease Department, Rennes University Hospital, Rennes, France
- Rennes University and Inserm NuMeCan UMR 1317, Rennes, France
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11
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Ortega-Ribera M, Zhuang Y, Brezani V, Thevkar Nagesh P, Joshi RS, Babuta M, Wang Y, Szabo G. G-CSF increases calprotectin expression, liver damage and neuroinflammation in a murine model of alcohol-induced ACLF. Front Cell Dev Biol 2024; 12:1347395. [PMID: 38419842 PMCID: PMC10899467 DOI: 10.3389/fcell.2024.1347395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/23/2024] [Indexed: 03/02/2024] Open
Abstract
Background and aims: Granulocyte colony-stimulating factor (G-CSF) has been proposed as a therapeutic option for patients with ACLF, however clinical outcomes are controversial. We aimed at dissecting the role of G-CSF in an alcohol-induced murine model of ACLF. Methods: ACLF was triggered by a single alcohol binge (5 g/kg) in a bile duct ligation (BDL) liver fibrosis model. A subgroup of mice received two G-CSF (200 μg/kg) or vehicle injections prior to acute decompensation with alcohol. Liver, blood and brain tissues were assessed. Results: Alcohol binge administered to BDL-fibrotic mice resulted in features of ACLF indicated by a significant increase in liver damage and systemic inflammation compared to BDL alone. G-CSF treatment in ACLF mice induced an increase in liver regeneration and neutrophil infiltration in the liver compared to vehicle-treated ACLF mice. Moreover, liver-infiltrating neutrophils in G-CSF-treated mice exhibited an activated phenotype indicated by increased expression of CXC motif chemokine receptor 2, leukotriene B4 receptor 1, and calprotectin. In the liver, G-CSF triggered increased oxidative stress, type I interferon response, extracellular matrix remodeling and inflammasome activation. Circulating IL-1β was also increased after G-CSF treatment. In the cerebellum, G-CSF increased neutrophil infiltration and S100a8/9 expression, induced microglia proliferation and reactive astrocytes, which was accompanied by oxidative stress, and inflammasome activation compared to vehicle-treated ACLF mice. Conclusion: In our novel ACLF model triggered by alcohol binge that mimics ACLF pathophysiology, neutrophil infiltration and S100a8/9 expression in the liver and brain indicate increased tissue damage, accompanied by oxidative stress and inflammasome activation after G-CSF treatment.
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Affiliation(s)
- Martí Ortega-Ribera
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Yuan Zhuang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Veronika Brezani
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Prashanth Thevkar Nagesh
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Radhika S. Joshi
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Mrigya Babuta
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Yanbo Wang
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Gyongyi Szabo
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
- Broad Institute, Cambridge, MA, United States
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12
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Rodrigues SG, van der Merwe S, Krag A, Wiest R. Gut-liver axis: Pathophysiological concepts and medical perspective in chronic liver diseases. Semin Immunol 2024; 71:101859. [PMID: 38219459 DOI: 10.1016/j.smim.2023.101859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 10/11/2023] [Accepted: 12/04/2023] [Indexed: 01/16/2024]
Affiliation(s)
- Susana G Rodrigues
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Schalk van der Merwe
- Department of Gastroenterology and Hepatology, University hospital Gasthuisberg, University of Leuven, Belgium
| | - Aleksander Krag
- Institute of Clinical Research, University of Southern Denmark, Odense, Denmark; Centre for Liver Research, Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark, University of Southern Denmark, Odense, Denmark
| | - Reiner Wiest
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland.
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13
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Roy S, Saha P, Bose D, Trivedi A, More M, Xiao S, Diehl AM, Chatterjee S. Hepatic NLRP3-Derived Hsp70 Binding to TLR4 Mediates MASLD to MASH Progression upon Inhibition of PP2A by Harmful Algal Bloom Toxin Microcystin, a Second Hit. Int J Mol Sci 2023; 24:16354. [PMID: 38003543 PMCID: PMC10671242 DOI: 10.3390/ijms242216354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/13/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Harmful algal bloom toxin microcystin has been associated with metabolic dysfunction-associated steatotic liver disease (MASLD) progression and hepatocellular carcinoma, though the mechanisms remain unclear. Using an established mouse model of MASLD, we show that the NLRP3-Hsp70-TLR4 axis drives in part the inflammation of the liver lobule that results in the progression of MASLD to metabolic dysfunction-associated steatohepatitis (MASH). Results showed that mice deficient in NLRP3 exhibited decreased MASH pathology, blocked Hsp70 expression, and co-binding with NLRP3, a crucial protein component of the liver inflammasome. Hsp70, both in the liver lobule and extracellularly released in the liver vasculature, acted as a ligand to TLR4 in the liver, primarily in hepatocytes to activate the NF-κB pathway, ultimately leading to hepatic cell death and necroptosis, a crucial pathology of MASH progression. The above studies show a novel insight into an inflammasome-triggered Hsp70-mediated inflammation that may have broader implications in MASLD pathology. MASLD to MASH progression often requires multiple hits. One of the mediators of progressive MASLD is environmental toxins. In this research report, we show for the first time a novel mechanism where microcystin-LR, an environmental toxin, advances MASLD to MASH by triggering the release of Hsp70 as a DAMP to activate TLR4-induced inflammation in the liver.
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Affiliation(s)
- Subhajit Roy
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
| | - Punnag Saha
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
| | - Dipro Bose
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
| | - Ayushi Trivedi
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
| | - Madhura More
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
| | - Shuo Xiao
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854, USA;
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC 27710, USA;
| | - Saurabh Chatterjee
- Environmental Health and Disease Laboratory, Department of Environmental and Occupational Health, Program in Public Health, Susan and Henry Samueli College of Health Sciences, University of California, Irvine, CA 92697, USA; (S.R.); (P.S.); (D.B.); (A.T.)
- Division of Infectious Diseases, School of Medicine, University of California, Irvine, CA 92697, USA
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14
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Saeidinejad M, Elshabrawi A, Sriphoosanaphan S, Andreola F, Mehta G, Agarwal B, Jalan R. Novel Therapeutic Approaches in Treatment of Acute-on-Chronic Liver Failure. Semin Liver Dis 2023; 43:429-445. [PMID: 38101419 PMCID: PMC10723941 DOI: 10.1055/s-0043-1776773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Acute-on-chronic liver failure (ACLF), a clinical syndrome that can develop at any stage in the progression of cirrhotic liver disease, is characterized by an acute decompensation in liver function with associated multiorgan failure and high short-term mortality. Current evidence points to ACLF being reversible, particularly in those at the lower end of the severity spectrum. However, there are no specific treatments for ACLF, and overall outcomes remain poor. Expedited liver transplantation as a treatment option is limited by organ shortage and a lack of priority allocation for this indication. Other options are therefore urgently needed, and our improved understanding of the condition has led to significant efforts to develop novel therapies. In conclusion, this review aims to summarize the current understanding of the pathophysiological processes involved in the onset, progression, and recovery of ACLF and discuss novel therapies under development.
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Affiliation(s)
- MohammadMahdi Saeidinejad
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Ahmed Elshabrawi
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Intensive Care Unit, Endemic Hepatology and Gastroenterology Department, Mansoura University, Mansoura, Egypt
| | - Supachaya Sriphoosanaphan
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok
| | - Fausto Andreola
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Gautam Mehta
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Banwari Agarwal
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Intensive Care Unit, Royal Free Hospital, London, United Kingdom
| | - Rajiv Jalan
- Liver Failure Group, Department of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Hepatology Department, Royal Free Hospital, London, United Kingdom
- European Foundation for the Study of Chronic Liver Failure, Barcelona, Spain
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15
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Konstantis G, Tsaousi G, Pourzitaki C, Kitsikidou E, Magouliotis DE, Wiener S, Zeller AC, Willuweit K, Schmidt HH, Rashidi-Alavijeh J. Efficacy of Granulocyte Colony-Stimulating Factor in Acute on Chronic Liver Failure: A Systematic Review and Survival Meta-Analysis. J Clin Med 2023; 12:6541. [PMID: 37892679 PMCID: PMC10607065 DOI: 10.3390/jcm12206541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Acute-on-chronic liver failure (ACLF) mostly occurs when there is an acute insult to the liver in patients with pre-existing liver disease, and it is characterized by a high mortality rate. Various therapeutic approaches have been used thus far, with orthotopic liver transplantation being the only definitive cure. Clinical trials and meta-analyses have investigated the use of granulocyte colony-stimulating factor (G-CSF) to mobilize bone marrow-derived stem cells. Some studies have suggested that G-CSF may have a significant role in the management and survival of patients with ACLF. However, the results are conflicting, and the efficacy of G-CSF still needs to be confirmed. AIM The aim was to assess the efficacy of G-CSF in patients with ACLF. METHODS Electronic databases were searched until May 2023 for randomized controlled trials investigating the use of G-CSF in adult patients with ACLF. Outcome measures were the effects of G-CSF on overall survival, changes in liver disease severity scores, complications of cirrhosis, other G-CSF-related adverse effects, and all-cause mortality. The study's protocol has been registered with Prospero (CRD42023420273). RESULTS Five double-blind randomized controlled trials involving a total of 421 participants met the inclusion criteria. The use of G-CSF demonstrated a significant effect on overall survival (HR 0.63, 95% CI 0.41 to 0.95, and I2 48%), leading to a decreased mortality (LogOR-0.97, 95% CI -1.57 to -0.37, and I2 37.6%) and improved Model for End-Stage Liver Disease (MELD) scores (SMD -0.87, 95% CI -1.62 to -0.13, and I2 87.3%). There was no correlation between the improvement of the Child-Pugh score and the use of G-CSF(SMD -2.47, 95% CI -5.78 to 0.83, and I2 98.1%). The incidence of complications of cirrhosis did not decrease significantly with G-CSF treatment (rate ratio 0.51, 95% CI 0.26 to 1.01, and I2 90%). A qualitative synthesis showed that the use of G-CSF is safe. CONCLUSIONS The administration of G-CSF has demonstrated a positive impact on overall survival, liver function, and the MELD score. The presence of heterogeneity in the included studies prohibits conclusive recommendations.
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Affiliation(s)
- Georgios Konstantis
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
| | - Georgia Tsaousi
- Department of Anesthesiology and ICU, Medical School, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Chryssa Pourzitaki
- Clinical Pharmacology, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Elisavet Kitsikidou
- Department of Internal Medicine, Evangelical Hospital Dusseldorf, 40217 Dusseldorf, Germany;
| | | | - Sebastian Wiener
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
| | - Amos Cornelius Zeller
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
| | - Katharina Willuweit
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
| | - Hartmut H. Schmidt
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
| | - Jassin Rashidi-Alavijeh
- Department of Gastroenterology, Hepatology and Transplant Medicine, Medical Faculty, University of Duisburg-Essen, 40219 Essen, Germany
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Butt MF, Jalan R. Review article: Emerging and current management of acute-on-chronic liver failure. Aliment Pharmacol Ther 2023; 58:774-794. [PMID: 37589507 DOI: 10.1111/apt.17659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/02/2023] [Accepted: 07/24/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND Acute-on-chronic liver failure (ACLF) is a clinically and pathophysiologically distinct condition from acutely decompensated cirrhosis and is characterised by systemic inflammation, extrahepatic organ failure, and high short-term mortality. AIMS To provide a narrative review of the diagnostic criteria, prognosis, epidemiology, and general management principles of ACLF. Four specific interventions that are explored in detail are intravenous albumin, extracorporeal liver assist devices, granulocyte-colony stimulating factor, and liver transplantation. METHODS We searched PubMed and Cochrane databases for articles published up to July 2023. RESULTS Approximately 35% of hospital inpatients with decompensated cirrhosis have ACLF. There is significant heterogeneity in the criteria used to diagnose ACLF; different definitions identify different phenotypes with varying mortality. Criteria established by the European Association for the Study of the Liver were developed in prospective patient cohorts and are, to-date, the most well validated internationally. Systemic haemodynamic instability, renal dysfunction, coagulopathy, neurological dysfunction, and respiratory failure are key considerations when managing ACLF in the intensive care unit. Apart from liver transplantation, there are no accepted evidence-based treatments for ACLF, but several different approaches are under investigation. CONCLUSION The recognition of ACLF as a distinct entity from acutely decompensated cirrhosis has allowed for better patient stratification in clinical settings, facilitating earlier engagement with the intensive care unit and liver transplantation teams. Research priorities over the next decade should focus on exploring novel treatment strategies with a particular focus on which, when, and how patients with ACLF should be treated.
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Affiliation(s)
- Mohsin F Butt
- Centre for Neuroscience, Trauma and Surgery, Wingate Institute of Neurogastroenterology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Liver Failure Group, University College London Medical School, Royal Free Hospital Campus, London, UK
- National Institute for Health Research, Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, University of Nottingham, Nottinghamshire, UK
| | - Rajiv Jalan
- Liver Failure Group, University College London Medical School, Royal Free Hospital Campus, London, UK
- European Association for the Study of the Liver-Chronic Liver Failure (EASL-CLIF) Consortium, Barcelona, Spain
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17
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Ait Ahmed Y, Lafdil F, Tacke F. Ambiguous Pathogenic Roles of Macrophages in Alcohol-Associated Liver Diseases. Hepat Med 2023; 15:113-127. [PMID: 37753346 PMCID: PMC10519224 DOI: 10.2147/hmer.s326468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023] Open
Abstract
Alcohol-associated liver disease (ALD) represents a major public health issue worldwide and is a leading etiology of liver cirrhosis. Alcohol-related liver injuries include a range of manifestations including alcoholic hepatitis (AH), simple steatosis, steatohepatitis, hepatic fibrosis, cirrhosis and liver cancer. Liver disease occurs from several pathological disturbances such as the metabolism of ethanol, which generates reactive oxygen species (ROS) in hepatocytes, alterations in the gut microbiota, and the immune response to these changes. A common hallmark of these liver affections is the establishment of an inflammatory environment, and some (broad) anti-inflammatory approaches are used to treat AH (eg, corticosteroids). Macrophages, which represent the main innate immune cells in the liver, respond to a wide variety of (pathogenic) stimuli and adopt a large spectrum of phenotypes. This translates to a diversity of functions including pathogen and debris clearance, recruitment of other immune cells, activation of fibroblasts, or tissue repair. Thus, macrophage populations play a crucial role in the course of ALD, but the underlying mechanisms driving macrophage polarization and their functionality in ALD are complex. In this review, we explore the various populations of hepatic macrophages in alcohol-associated liver disease and the underlying mechanisms driving their polarization. Additionally, we summarize the crosstalk between hepatic macrophages and other hepatic cell types in ALD, in order to support the exploration of targeted therapeutics by modulating macrophage polarization.
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Affiliation(s)
- Yeni Ait Ahmed
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | - Fouad Lafdil
- Université Paris-Est, UMR-S955, UPEC, Créteil, France
- Institut National de la Sante et de la Recherche Medicale (INSERM), U955, Créteil, France
- Institut Universitaire de France (IUF), Paris, France
| | - Frank Tacke
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
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18
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Zhang S, Yu J, Rao K, Cao J, Ma L, Yu Y, Li Z, Zeng Z, Qian Y, Chen M, Hang H. Liver-derived extracellular vesicles from patients with hepatitis B virus-related acute-on-chronic liver failure impair hepatic regeneration by inhibiting on FGFR2 signaling via miR-218-5p. Hepatol Int 2023; 17:833-849. [PMID: 37055701 DOI: 10.1007/s12072-023-10513-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/04/2023] [Indexed: 04/15/2023]
Abstract
BACKGROUND Impaired liver regeneration in hepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF) patients is closely related to prognosis; however, the mechanisms are not yet defined. Liver-derived extracellular vesicles (EVs) may be involved in the dysregulation of liver regeneration. Clarifying the underlying mechanisms will improve the treatments for HBV-ACLF. METHODS EVs were isolated by ultracentrifugation from liver tissues of HBV-ACLF patients (ACLF_EVs) after liver transplantation, and their function was investigated in acute liver injury (ALI) mice and AML12 cells. Differentially expressed miRNAs (DE-miRNAs) were screened by deep miRNA sequencing. The lipid nanoparticle (LNP) system was applied as a carrier for the targeted delivery of miRNA inhibitors to improve its effect on liver regeneration. RESULTS ACLF_EVs inhibited hepatocyte proliferation and liver regeneration, with a critical role of miR-218-5p. Mechanistically, ACLF_EVs fused directly with target hepatocytes and transferred miR-218-5p into hepatocytes, acting by suppressing FGFR2 mRNA and inhibiting the activation of ERK1/2 signaling pathway. Reducing the level of miR-218-5p expression in the liver of ACLF mice partially restored liver regeneration ability. CONCLUSION The current data reveal the mechanism underlying impaired liver regeneration in HBV-ACLF that promotes the discovery of new therapeutic approaches.
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Affiliation(s)
- Senquan Zhang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jie Yu
- Department of Endocrinology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Keqiang Rao
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jie Cao
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Lijie Ma
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Yeping Yu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Zhe Li
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Zhaokai Zeng
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Yongbing Qian
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
| | - Mo Chen
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
| | - Hualian Hang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
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19
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Yoon EL, Kim W. Current and future treatment for alcoholic-related liver diseases. J Gastroenterol Hepatol 2023; 38:1218-1226. [PMID: 37300449 DOI: 10.1111/jgh.16257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
The socioeconomic burden of alcohol-related liver disease has been increasing worldwide. Its prevalence is underestimated, and patients with alcohol-related liver disease are rarely diagnosed in the earlier phase of the disease spectrum. Alcoholic hepatitis is a distinct syndrome with life-threatening signs of systemic inflammation. In severe alcoholic hepatitis, prednisolone is indicated as the first-line treatment even with the possibility of various complications. Early liver transplantation can be another option for highly selected patients with a null response to prednisolone. Most importantly, abstinence is the mainstay of long-term care, but relapse is frequent among patients. Recent findings on the pathogenesis of alcoholic hepatitis have enabled us to discover new therapeutic targets. Preventing hepatic inflammation, reducing oxidative stress, improving gut dysbiosis, and enhancing liver regeneration are the main targets of emerging therapies. Herein, we review the pathogenesis, current treatment, and barriers to successful clinical trials of alcoholic hepatitis. Additionally, clinical trials for alcoholic hepatitis, either ongoing or recently completed, will be briefly introduced.
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Affiliation(s)
- Eileen L Yoon
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, Republic of Korea
| | - Won Kim
- Department of Internal Medicine, Seoul National University College of Medicine and Seoul Metropolitan Government Boramae Medical Center, Seoul, Republic of Korea
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20
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Arab JP, Addolorato G, Mathurin P, Thursz MR. Alcohol-Associated Liver Disease: Integrated Management With Alcohol Use Disorder. Clin Gastroenterol Hepatol 2023; 21:2124-2134. [PMID: 36858144 DOI: 10.1016/j.cgh.2023.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/21/2023] [Accepted: 02/03/2023] [Indexed: 03/03/2023]
Abstract
Alcohol-associated liver disease (ALD) is the most common cause of cirrhosis and liver-related mortality in many regions worldwide. Around 75% of patients with cirrhosis are unaware of their disease until they are referred to the emergency department. An innovative, noninvasive screening approach is required for an earlier diagnosis of liver fibrosis. In patients with ALD the physician is inevitably dealing with 2 major disorders: the liver disease itself and the alcohol use disorder (AUD). Focus only on the liver disease will inevitably lead to failure because transient improvements in liver function are rapidly overturned if the patient returns to alcohol consumption. For this reason, integrated models of care provided by hepatologists and addiction specialists are an effective approach, which are, however, not widely available. There are multiple pharmacologic and non-pharmacologic therapies for AUD. Progress has recently been made in the management of patients with severe AH who have improved survival through better understanding of the concept of response to medical treatment, improved survival prediction, and the advent of early liver transplantation. The emerging concept is that listing for transplantation a patient with severe ALD could lead to adjusting the duration of abstinence according to the severity and evolution of liver dysfunction and the patient's addictive profile.
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Affiliation(s)
- Juan P Arab
- Division of Gastroenterology, Department of Medicine, Schulich School of Medicine, Western University & London Health Sciences Centre, London, Ontario, Canada; Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Giovanni Addolorato
- Department of Medical and Surgical Sciences, Internal Medicine and Hepatology Unit, Catholic University of Rome, Rome, Italy
| | - Philippe Mathurin
- Service des maladies de l'appareil digestif, Hôpital Huriez, Centre Hospitalier Universitaire de Lille, Lille, France
| | - Mark R Thursz
- Division of Digestive Diseases, Imperial College, London, United Kingdom
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21
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Shen Y, Liu Y, Yu K, Shen M, Yang L. G-CSF exacerbates liver injury in a mouse model of autoimmune hepatitis. J Hepatol 2023; 79:e29-e31. [PMID: 36535601 DOI: 10.1016/j.jhep.2022.11.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 11/23/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022]
Affiliation(s)
- Yi Shen
- Department of Gastroenterology & Hepatology, Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610200, China
| | - Yifeng Liu
- Department of Gastroenterology & Hepatology, Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610200, China
| | - Kexin Yu
- Department of Gastroenterology & Hepatology, Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610200, China
| | - Mengyi Shen
- Department of Gastroenterology & Hepatology, Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610200, China
| | - Li Yang
- Department of Gastroenterology & Hepatology, Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610200, China.
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22
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Abstract
Acute-on-chronic liver failure (ACLF) has been recognized as a severe clinical syndrome based on the acute deterioration of chronic liver disease and is characterized by organ failure and high short-term mortality. Heterogeneous definitions and diagnostic criteria for the clinical condition have been proposed in different geographic regions due to the differences in aetiologies and precipitating events. Several predictive and prognostic scores have been developed and validated to guide clinical management. The specific pathophysiology of ACLF remains uncertain and is mainly associated with an intense systemic inflammatory response and immune-metabolism disorder based on current evidence. For ACLF patients, standardization of the treatment paradigm is required for different disease stages that may provide targeted treatment strategies for individual needs.
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Affiliation(s)
- Jinjin Luo
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou, 310003, China
| | - Jiaqi Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou, 310003, China
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, People's Hospital Affiliated of Hangzhou Medical College, Hangzhou, China
| | - Peng Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou, 310003, China
| | - Xi Liang
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China
| | - Hozeifa Mohamed Hassan
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China
| | - Richard Moreau
- European Foundation for the Study of Chronic Liver Failure (EF CLIF), Barcelona, Spain.
- Centre de Recherche Surl'Inflammation (CRI), Institut National de La Santé Et de La Recherche Médicale (INSERM) & Université Paris-Cité, Paris, France.
- Service d'Hépatologie, Assistance Publique-Hôpitaux de Paris (APHP), Hôpital Beaujon, Clichy, France.
| | - Jun Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou, 310003, China.
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23
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Engelmann C, Jalan R. Reply to: "G-CSF exacerbates liver injury in a mouse model of autoimmune hepatitis". J Hepatol 2023; 79:e31-e33. [PMID: 36848974 DOI: 10.1016/j.jhep.2023.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 02/14/2023] [Indexed: 03/01/2023]
Affiliation(s)
- Cornelius Engelmann
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany; University College London, Institute for Liver and Digestive Health, London, United Kingdom; Berlin Institute of Health (BIH), Berlin, Germany; Division of Hepatology, Department of Medicine II, Leipzig University Medical Center, Leipzig, Germany
| | - Rajiv Jalan
- University College London, Institute for Liver and Digestive Health, London, United Kingdom.
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24
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Engelmann C, Zhang IW, Clària J. Mechanisms of immunity in acutely decompensated cirrhosis and acute-on-chronic liver failure. Liver Int 2023. [PMID: 37365995 DOI: 10.1111/liv.15644] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023]
Abstract
The identification of systemic inflammation (SI) as a central player in the orchestration of acute-on-chronic liver failure (ACLF) has opened new avenues for the understanding of the pathophysiological mechanisms underlying this disease condition. ACLF, which develops in patients with acute decompensation of cirrhosis, is characterized by single or multiple organ failure and high risk of short-term (28-day) mortality. Its poor outcome is closely associated with the severity of the systemic inflammatory response. In this review, we describe the key features of SI in patients with acutely decompensated cirrhosis and ACLF, including the presence of a high blood white cell count and increased levels of inflammatory mediators in systemic circulation. We also discuss the main triggers (i.e. pathogen- and damage-associated molecular patterns), the cell effectors (i.e. neutrophils, monocytes and lymphocytes), the humoral mediators (acute phase proteins, cytokines, chemokines, growth factors and bioactive lipid mediators) and the factors that influence the systemic inflammatory response that drive organ failure and mortality in ACLF. The role of immunological exhaustion and/or immunoparalysis in the context of exacerbated inflammatory responses that predispose ACLF patients to secondary infections and re-escalation of end-organ dysfunction and mortality are also reviewed. Finally, several new potential immunogenic therapeutic targets are debated.
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Affiliation(s)
- Cornelius Engelmann
- Medical Department, Division of Hepatology and Gastroenterology, Campus Virchow-Klinikum, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Institute for Liver and Digestive Health, University College London, London, UK
| | - Ingrid W Zhang
- Medical Department, Division of Hepatology and Gastroenterology, Campus Virchow-Klinikum, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- European Foundation for the Study of Chronic Liver Failure (EF CLIF) and Grifols Chair, Barcelona, Spain
| | - Joan Clària
- European Foundation for the Study of Chronic Liver Failure (EF CLIF) and Grifols Chair, Barcelona, Spain
- Biochemistry and Molecular Genetics Service, Hospital Clínic-IDIBAPS CIBERehd, Barcelona, Spain
- Department of Biomedical Sciences, University of Barcelona, Barcelona, Spain
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25
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Kimmann M, Trebicka J. Acute-On-Chronic Liver Failure: Current Interventional Treatment Options and Future Challenges. J Pers Med 2023; 13:1052. [PMID: 37511665 PMCID: PMC10381861 DOI: 10.3390/jpm13071052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/20/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
Acute-on-chronic liver failure (ACLF) is a frequent complication in patients with liver cirrhosis that has high short-term mortality. It is characterized by acute decompensation (AD) of liver cirrhosis, intra- and extrahepatic organ failure, and severe systemic inflammation (SI). In the recent past, several studies have investigated the management of this group of patients. Identification and treatment of precipitants of decompensation and ACLF play an important role, and management of the respective intra- and extrahepatic organ failures is essential. However, no specific treatment for ACLF has been established to date, and the only curative treatment option currently available for these patients is liver transplantation (LT). It has been shown that ACLF patients are at severe risk of waitlist mortality, and post-LT survival rates are high, making ACLF patients suitable candidates for LT. However, only a limited number of patients are eligible for LT due to related contraindications such as uncontrolled infections. In this case, bridging strategies (e.g., extracorporeal organ support systems) are required. Further therapeutic approaches have recently been developed and evaluated. Thus, this review focuses on current management and potential future treatment options.
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Affiliation(s)
- Markus Kimmann
- Department of Internal Medicine B, University of Münster, 48149 Münster, Germany
| | - Jonel Trebicka
- Department of Internal Medicine B, University of Münster, 48149 Münster, Germany
- European Foundation for the Study of Chronic liver Failure, EFCLIF, 08021 Barcelona, Spain
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26
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Duan M, Liu X, Yang Y, Zhang Y, Wu R, Lv Y, Lei H. Orchestrated regulation of immune inflammation with cell therapy in pediatric acute liver injury. Front Immunol 2023; 14:1194588. [PMID: 37426664 PMCID: PMC10323196 DOI: 10.3389/fimmu.2023.1194588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/26/2023] [Indexed: 07/11/2023] Open
Abstract
Acute liver injury (ALI) in children, which commonly leads to acute liver failure (ALF) with the need for liver transplantation, is a devastating life-threatening condition. As the orchestrated regulation of immune hemostasis in the liver is essential for resolving excess inflammation and promoting liver repair in a timely manner, in this study we focused on the immune inflammation and regulation with the functional involvement of both innate and adaptive immune cells in acute liver injury progression. In the context of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) pandemic, it was also important to incorporate insights from the immunological perspective for the hepatic involvement with SARS-CoV-2 infection, as well as the acute severe hepatitis of unknown origin in children since it was first reported in March 2022. Furthermore, molecular crosstalk between immune cells concerning the roles of damage-associated molecular patterns (DAMPs) in triggering immune responses through different signaling pathways plays an essential role in the process of liver injury. In addition, we also focused on DAMPs such as high mobility group box 1 (HMGB1) and cold-inducible RNA-binding protein (CIRP), as well as on macrophage mitochondrial DNA-cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway in liver injury. Our review also highlighted novel therapeutic approaches targeting molecular and cellular crosstalk and cell-based therapy, providing a future outlook for the treatment of acute liver injury.
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Affiliation(s)
- Mingyue Duan
- Department of Clinical Laboratory, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
- Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Shaanxi Institute for Pediatric Diseases, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiaoguai Liu
- Department of Infectious Diseases, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ying Yang
- Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Shaanxi Institute for Pediatric Diseases, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yanmin Zhang
- Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Shaanxi Institute for Pediatric Diseases, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Rongqian Wu
- National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yi Lv
- National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Hong Lei
- Key Laboratory of Precision Medicine to Pediatric Diseases of Shaanxi Province, Shaanxi Institute for Pediatric Diseases, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Xi’an, China
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27
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Anastasopoulos NA, Charchanti AV, Barbouti A, Mastoridou EM, Goussia AC, Karampa AD, Christodoulou D, Glantzounis GK. The Role of Oxidative Stress and Cellular Senescence in the Pathogenesis of Metabolic Associated Fatty Liver Disease and Related Hepatocellular Carcinoma. Antioxidants (Basel) 2023; 12:1269. [PMID: 37371999 DOI: 10.3390/antiox12061269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/04/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Hepatocellular carcinoma (HCC) represents a worryingly increasing cause of malignancy-related mortality, while Metabolic Associated Fatty Liver Disease (MAFLD) is going to become its most common cause in the next decade. Understanding the complex underlying pathophysiology of MAFLD-related HCC can provide opportunities for successful targeted therapies. Of particular interest in this sequela of hepatopathology is cellular senescence, a complex process characterised by cellular cycle arrest initiated by a variety of endogenous and exogenous cell stressors. A key biological process in establishing and maintaining senescence is oxidative stress, which is present in multiple cellular compartments of steatotic hepatocytes. Oxidative stress-induced cellular senescence can change hepatocyte function and metabolism, and alter, in a paracrine manner, the hepatic microenvironment, enabling disease progression from simple steatosis to inflammation and fibrosis, as well as HCC. The duration of senescence and the cell types it affects can tilt the scale from a tumour-protective self-restricting phenotype to the creator of an oncogenic hepatic milieu. A deeper understanding of the mechanism of the disease can guide the selection of the most appropriate senotherapeutic agent, as well as the optimal timing and cell type targeting for effectively combating HCC.
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Affiliation(s)
- Nikolaos-Andreas Anastasopoulos
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
- Department of General Surgery, Croydon University Hospital, Croydon Health Services NHS Trust, London CR7 7YE, UK
| | - Antonia V Charchanti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Alexandra Barbouti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Eleftheria M Mastoridou
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Anna C Goussia
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Anastasia D Karampa
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Dimitrios Christodoulou
- Department of Gastroenterology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Georgios K Glantzounis
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
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Dias ML, Wajsenzon IJR, Alves GBN, Paranhos BA, Andrade CBV, Siqueira Monteiro VR, de Sousa RMR, da Silva Pereira ENG, Rodrigues KL, Daliry A, Mello DB, Coeli dos Santos Goldenberg R. Cirrhotic Liver Sustains In Situ Regeneration of Acellular Liver Scaffolds after Transplantation into G-CSF-Treated Animals. Cells 2023; 12:cells12070976. [PMID: 37048049 PMCID: PMC10093225 DOI: 10.3390/cells12070976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
Acellular liver scaffolds (ALS) produced by decellularization have been successfully explored for distinct regenerative purposes. To date, it is unknown whether transplanted ALSs are affected by cirrhotic livers, either becoming cirrhotic themselves or instead remaining as a robust template for healthy cell growth after transplantation into cirrhotic rats. Moreover, little is known about the clinical course of recipient cirrhotic livers after ALS transplantation. To address these questions, we transplanted ALSs into cirrhotic rats previously treated with the granulocyte colony-stimulating factor. Here, we report successful cellular engraftment within the transplanted ALSs at 7, 15, and 30 days after transplantation. Recellularization was orchestrated by liver tissue cell activation, resident hepatocytes and bile duct proliferation, and an immune response mediated by the granulocyte components. Furthermore, we showed that transplanted ALSs ensured a pro-regenerative and anti-inflammatory microenvironment, attracted vessels from the host cirrhotic tissue, and promoted progenitor cell recruitment. ALS transplantation induced cirrhotic liver regeneration and extracellular matrix remodeling. Moreover, the transplanted ALS sustained blood circulation and attenuated alterations in the ultrasonographic and biochemical parameters in cirrhotic rats. Taken together, our results confirm that transplanted ALSs are not affected by cirrhotic livers and remain a robust template for healthy cell growth and stimulated cirrhotic liver regeneration.
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Wu Y, Xu M, Duan B, Li G, Chen Y. Acute-on-chronic liver failure: clinical course and liver transplantation. Expert Rev Gastroenterol Hepatol 2023; 17:251-262. [PMID: 36779306 DOI: 10.1080/17474124.2023.2180630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
INTRODUCTION Acute-on-chronic liver failure (ACLF) is a clinical syndrome characterized by intense systemic inflammatory response, multiple-organ failures, and high short-term mortality in patients with chronic liver disease. ACLF is dynamic and heterogeneous, and the prognosis is closely related to the clinical course. Currently, liver transplantation (LT) remains the only potential curative treatment that improves survival of ACLF patients. AREAS COVERED In this review, we summarize the dynamic clinical course of ACLF and the relationship between the clinical course and the post-LT prognosis, especially the factors affecting the mortality after LT in severe ACLF patients and explore the optimal choice of LT therapy for ACLF patients, both to benefit patients the most and to avoid futile therapy. EXPERT OPINION ACLF is a dynamic disease with varying clinical phenotypes, and the global burden is high. Early identification of the clinical course is important to assess the prognosis and guide the treatment. The contradiction between shortage of liver donors and the large number of recipients makes it necessary for us to strictly screen out the recipients and identify patients who really need LT to save liver sources.
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Affiliation(s)
- Yu Wu
- Fourth Department of Liver Disease (Difficult & Complicated Liver Diseases and Artificial Liver Center), Beijing You'an Hospital Affiliated to Capital Medical University, Beijing, China.,Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing, China
| | - Manman Xu
- Fourth Department of Liver Disease (Difficult & Complicated Liver Diseases and Artificial Liver Center), Beijing You'an Hospital Affiliated to Capital Medical University, Beijing, China.,Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing, China
| | - Binwei Duan
- Department of General Surgery Center, Beijing You'an Hospital Affiliated to Capital Medical University, Beijing, China
| | - Guangming Li
- Department of General Surgery Center, Beijing You'an Hospital Affiliated to Capital Medical University, Beijing, China
| | - Yu Chen
- Fourth Department of Liver Disease (Difficult & Complicated Liver Diseases and Artificial Liver Center), Beijing You'an Hospital Affiliated to Capital Medical University, Beijing, China.,Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing, China
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Morrison MA, Artru F, Trovato FM, Triantafyllou E, McPhail MJ. Potential therapies for acute-on-chronic liver failure. Liver Int 2023. [PMID: 36800487 DOI: 10.1111/liv.15545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/16/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
Acute-on-chronic liver failure (ACLF) is a syndrome that develops in approximately 30% of patients hospitalised with cirrhosis and is characterised by an acute decompensation of liver function associated with extra-hepatic organ failures and a high short-term mortality. At present, no specific therapies are available for ACLF, and current management is limited to treatment of the precipitating event and organ support. Given the high prevalence and high mortality of this severe liver disease, there is an urgent need for targeted treatments. There is increasing evidence of the important role played by systemic inflammation and immune dysfunction in the pathophysiology of ACLF and a better understanding of these immune processes is resulting in new therapeutic targets. The aim of this review is to present an overview of ongoing studies of potentially promising therapies and how they could be utilised in the management of ACLF.
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Affiliation(s)
- Maura A Morrison
- Institute of Liver Studies, King's College Hospital, London, UK
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Florent Artru
- Institute of Liver Studies, King's College Hospital, London, UK
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Francesca M Trovato
- Institute of Liver Studies, King's College Hospital, London, UK
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Evangelos Triantafyllou
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Mark J McPhail
- Institute of Liver Studies, King's College Hospital, London, UK
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
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