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Xu C, Fang X, Song Y, Xiang Z, Xu X, Wei X. Transcriptional Control: A Directional Sign at the Crossroads of Adult Hepatic Progenitor Cells' Fates. Int J Biol Sci 2024; 20:3544-3556. [PMID: 38993564 PMCID: PMC11234216 DOI: 10.7150/ijbs.93739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 05/31/2024] [Indexed: 07/13/2024] Open
Abstract
Hepatic progenitor cells (HPCs) have a bidirectional potential to differentiate into hepatocytes and bile duct epithelial cells and constitute a second barrier to liver regeneration in the adult liver. They are usually located in the Hering duct in the portal vein region where various cells, extracellular matrix, cytokines, and communication signals together constitute the niche of HPCs in homeostasis to maintain cellular plasticity. In various types of liver injury, different cellular signaling streams crosstalk with each other and point to the inducible transcription factor set, including FoxA1/2/3, YB-1, Foxl1, Sox9, HNF4α, HNF1α, and HNF1β. These transcription factors exert different functions by binding to specific target genes, and their products often interact with each other, with diverse cascades of regulation in different molecular events that are essential for homeostatic regulation, self-renewal, proliferation, and selective differentiation of HPCs. Furthermore, the tumor predisposition of adult HPCs is found to be significantly increased under transcriptional factor dysregulation in transcriptional analysis, and the altered initial commitment of the differentiation pathway of HPCs may be one of the sources of intrahepatic tumors. Related transcription factors such as HNF4α and HNF1 are expected to be future targets for tumor treatment.
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Affiliation(s)
- Chenhao Xu
- Zhejiang University School of Medicine, Hangzhou First People's Hospital, Hangzhou 310006, China
- Zhejiang University School of Medicine, Hangzhou 310058, China
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Hangzhou 310006, China
| | - Xixi Fang
- Hangzhou Normal University, Hangzhou 310006, China
| | - Yisu Song
- Zhejiang University School of Medicine, Hangzhou First People's Hospital, Hangzhou 310006, China
- Zhejiang University School of Medicine, Hangzhou 310058, China
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Hangzhou 310006, China
| | - Ze Xiang
- Zhejiang University School of Medicine, Hangzhou First People's Hospital, Hangzhou 310006, China
- Zhejiang University School of Medicine, Hangzhou 310058, China
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Hangzhou 310006, China
| | - Xiao Xu
- Zhejiang University School of Medicine, Hangzhou 310058, China
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Hangzhou 310006, China
| | - Xuyong Wei
- Zhejiang University School of Medicine, Hangzhou First People's Hospital, Hangzhou 310006, China
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Hangzhou 310006, China
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2
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Gribben C, Galanakis V, Calderwood A, Williams EC, Chazarra-Gil R, Larraz M, Frau C, Puengel T, Guillot A, Rouhani FJ, Mahbubani K, Godfrey E, Davies SE, Athanasiadis E, Saeb-Parsy K, Tacke F, Allison M, Mohorianu I, Vallier L. Acquisition of epithelial plasticity in human chronic liver disease. Nature 2024; 630:166-173. [PMID: 38778114 PMCID: PMC11153150 DOI: 10.1038/s41586-024-07465-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 04/25/2024] [Indexed: 05/25/2024]
Abstract
For many adult human organs, tissue regeneration during chronic disease remains a controversial subject. Regenerative processes are easily observed in animal models, and their underlying mechanisms are becoming well characterized1-4, but technical challenges and ethical aspects are limiting the validation of these results in humans. We decided to address this difficulty with respect to the liver. This organ displays the remarkable ability to regenerate after acute injury, although liver regeneration in the context of recurring injury remains to be fully demonstrated. Here we performed single-nucleus RNA sequencing (snRNA-seq) on 47 liver biopsies from patients with different stages of metabolic dysfunction-associated steatotic liver disease to establish a cellular map of the liver during disease progression. We then combined these single-cell-level data with advanced 3D imaging to reveal profound changes in the liver architecture. Hepatocytes lose their zonation and considerable reorganization of the biliary tree takes place. More importantly, our study uncovers transdifferentiation events that occur between hepatocytes and cholangiocytes without the presence of adult stem cells or developmental progenitor activation. Detailed analyses and functional validations using cholangiocyte organoids confirm the importance of the PI3K-AKT-mTOR pathway in this process, thereby connecting this acquisition of plasticity to insulin signalling. Together, our data indicate that chronic injury creates an environment that induces cellular plasticity in human organs, and understanding the underlying mechanisms of this process could open new therapeutic avenues in the management of chronic diseases.
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Affiliation(s)
- Christopher Gribben
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Open Targets, Wellcome Genome Campus, Hinxton, UK
| | - Vasileios Galanakis
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Open Targets, Wellcome Genome Campus, Hinxton, UK
- Liver Unit, Department of Medicine, Cambridge NIHR Biomedical Research Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Alexander Calderwood
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Eleanor C Williams
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Ruben Chazarra-Gil
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Miguel Larraz
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Carla Frau
- Berlin Institute of Health Centre for Regenerative Therapies, Berlin, Germany
| | - Tobias Puengel
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Adrien Guillot
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | | | | | - Edmund Godfrey
- Department of Radiology, Addenbrooke's Hospital, Cambridge, UK
| | - Susan E Davies
- Department of Histopathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Emmanouil Athanasiadis
- Greek Genome Centre, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
- Medical Image and Signal Processing Laboratory, Department of Biomedical Engineering, University of West Attica, Athens, Greece
| | | | - Frank Tacke
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Michael Allison
- Open Targets, Wellcome Genome Campus, Hinxton, UK.
- Liver Unit, Department of Medicine, Cambridge NIHR Biomedical Research Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
| | - Irina Mohorianu
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK.
| | - Ludovic Vallier
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK.
- Open Targets, Wellcome Genome Campus, Hinxton, UK.
- Berlin Institute of Health Centre for Regenerative Therapies, Berlin, Germany.
- Max Planck Institute for Molecular Genetics, Berlin, Germany.
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3
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Mandal B, Das R, Mondal S. Anthocyanins: Potential phytochemical candidates for the amelioration of non-alcoholic fatty liver disease. ANNALES PHARMACEUTIQUES FRANÇAISES 2024; 82:373-391. [PMID: 38354975 DOI: 10.1016/j.pharma.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/30/2024] [Accepted: 02/08/2024] [Indexed: 02/16/2024]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is described by too much hepatic fat deposition causing steatosis, which further develops into nonalcoholic steatohepatitis (NASH), defined by necroinflammation and fibrosis, progressing further to hepatic cirrhosis, hepatocellular carcinoma, and liver failure. NAFLD is linked to different aspects of the metabolic syndrome like obesity, insulin resistance, hypertension, and dyslipidemia, and its pathogenesis involves several elements including diet, obesity, disruption of lipid homeostasis, and a high buildup of triglycerides and other lipids in liver cells. It is therefore linked to an increase in the susceptibility to developing diabetes mellitus and cardiovascular diseases. Several interventions exist regarding its management, but the availability of natural sources through diet will be a benefit in dealing with the disorder due to the immensely growing dependence of the population worldwide on natural sources owing to their ability to treat the root cause of the disease. Anthocyanins (ACNs) are naturally occurring polyphenolic pigments that exist in the form of glycosides, which are the glucosides of anthocyanidins and are produced from flavonoids via the phenyl propanoid pathway. To understand their mode of action in NAFLD and their therapeutic potential, the literature on in vitro, in vivo, and clinical trials on naturally occurring ACN-rich sources was exhaustively reviewed. It was concluded that ACNs show their potential in the treatment of NAFLD through their antioxidant properties and their efficacy to control lipid metabolism, glucose homeostasis, transcription factors, and inflammation. This led to the conclusion that ACNs possess efficacy in the amelioration of NAFLD and the various features associated with it. However, additional clinical trials are required to justify the potential of ACNs in NAFLD.
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Affiliation(s)
- Bitasta Mandal
- School of Pharmaceutical Technology, School of Health and Medical Sciences, Adamas University, Kolkata 700126, India.
| | - Rakesh Das
- School of Pharmaceutical Technology, School of Health and Medical Sciences, Adamas University, Kolkata 700126, India.
| | - Sandip Mondal
- School of Pharmaceutical Technology, School of Health and Medical Sciences, Adamas University, Kolkata 700126, India.
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4
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Panda K, Sood V, Lal BB, Khanna R, Rastogi A, Ramakrishna G, Alam S. Liver histology and hepatic progenitor cell activity in pediatric acute liver failure: Implications for clinical outcome. Pediatr Transplant 2024; 28:e14662. [PMID: 38036869 DOI: 10.1111/petr.14662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 08/09/2023] [Accepted: 10/11/2023] [Indexed: 12/02/2023]
Abstract
BACKGROUND Hepatic progenitor cell (HPC) activity and regenerative process that follows pediatric acute liver failure (PALF) is still not well understood. This clinicopathological study was thus conducted with an aim to study the correlation of liver histology and HPC activity with outcomes in PALF. METHODS All PALF patients with available hepatic histological specimens were included and specimens were analyzed for hepatocyte loss, HPC activity [using cytokeratin (CK) 7, CK19, sex-determining region Y-related high mobility group box(SOX)9 and epithelial cell adhesion molecule (EpCAM)], hepatocyte proliferation (using Ki67), and hepatocyte senescence (using p53 and p21). RESULTS Ninety-four children were included: 22 (23.4%) survived with native liver (SNL) (i.e., the good outcome group) while rest (i.e., the poor outcome group) either died [33%, 35.1%] or received liver transplant (LT) [39%, 41.5%]. When compared to subjects with poor outcomes, those in the SNL group exhibited significantly less severe hepatocyte loss, fewer HPC/hpf, more proliferating hepatocytes, and less senescent hepatocytes (p < .05). Increasing severity of hepatocyte loss (adjusted OR: 9.95, 95% CI: 4.22-23.45, p < .001) was identified as an independent predictor of poor outcome. Eighty percent children with >50% native hepatocyte loss had poor outcome within 10 days of hospitalization. CONCLUSION In PALF, more severe hepatocyte loss, higher number of HPC activation, lesser number of proliferating hepatocytes, and greater number of senescent hepatocytes are associated with a poor outcome. Loss of >50% hepatocytes is an independent predictor of poor outcome in PALF.
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Affiliation(s)
- Kalpana Panda
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Vikrant Sood
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Bikrant Bihari Lal
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Rajeev Khanna
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Archana Rastogi
- Department of Pathology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Gayatri Ramakrishna
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Seema Alam
- Department of Pediatric Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
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5
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Qasem B, Dąbrowska A, Króliczewski J, Łyczko J, Marycz K. Trodusquemine (MSI-1436) Restores Metabolic Flexibility and Mitochondrial Dynamics in Insulin-Resistant Equine Hepatic Progenitor Cells (HPCs). Cells 2024; 13:152. [PMID: 38247843 PMCID: PMC10814577 DOI: 10.3390/cells13020152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/31/2023] [Accepted: 01/12/2024] [Indexed: 01/23/2024] Open
Abstract
Equine metabolic syndrome (EMS) is a significant global health concern in veterinary medicine. There is increasing interest in utilizing molecular agents to modulate hepatocyte function for potential clinical applications. Recent studies have shown promising results in inhibiting protein tyrosine phosphatase (PTP1B) to maintain cell function in various models. In this study, we investigated the effects of the inhibitor Trodusquemine (MSI-1436) on equine hepatic progenitor cells (HPCs) under lipotoxic conditions. We examined proliferative activity, glucose uptake, and mitochondrial morphogenesis. Our study found that MSI-1436 promotes HPC entry into the cell cycle and protects them from palmitate-induced apoptosis by regulating mitochondrial dynamics and biogenesis. MSI-1436 also increases glucose uptake and protects HPCs from palmitate-induced stress by reorganizing the cells' morphological architecture. Furthermore, our findings suggest that MSI-1436 enhances 2-NBDG uptake by increasing the expression of SIRT1, which is associated with liver insulin sensitivity. It also promotes mitochondrial dynamics by modulating mitochondria quantity and morphotype as well as increasing the expression of PINK1, MFN1, and MFN2. Our study provides evidence that MSI-1436 has a positive impact on equine hepatic progenitor cells, indicating its potential therapeutic value in treating EMS and insulin dysregulation.
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Affiliation(s)
- Badr Qasem
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375 Wrocław, Poland; (B.Q.); (A.D.); (J.K.)
| | - Agnieszka Dąbrowska
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375 Wrocław, Poland; (B.Q.); (A.D.); (J.K.)
| | - Jarosław Króliczewski
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375 Wrocław, Poland; (B.Q.); (A.D.); (J.K.)
| | - Jacek Łyczko
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland;
| | - Krzysztof Marycz
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375 Wrocław, Poland; (B.Q.); (A.D.); (J.K.)
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95516, USA
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6
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Mitaka T, Ichinohe N, Tanimizu N. "Small Hepatocytes" in the Liver. Cells 2023; 12:2718. [PMID: 38067145 PMCID: PMC10705974 DOI: 10.3390/cells12232718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 11/17/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
Mature hepatocytes (MHs) in an adult rodent liver are categorized into the following three subpopulations based on their proliferative capability: type I cells (MH-I), which are committed progenitor cells that possess a high growth capability and basal hepatocytic functions; type II cells (MH-II), which possess a limited proliferative capability; and type III cells (MH-III), which lose the ability to divide (replicative senescence) and reach the final differentiated state. These subpopulations may explain the liver's development and growth after birth. Generally, small-sized hepatocytes emerge in mammal livers. The cells are characterized by being morphologically identical to hepatocytes except for their size, which is substantially smaller than that of ordinary MHs. We initially discovered small hepatocytes (SHs) in the primary culture of rat hepatocytes. We believe that SHs are derived from MH-I and play a role as hepatocytic progenitors to supply MHs. The population of MH-I (SHs) is distributed in the whole lobules, a part of which possesses a self-renewal capability, and decreases with age. Conversely, injured livers of experimental models and clinical cases showed the emergence of SHs. Studies demonstrate the involvement of SHs in liver regeneration. SHs that appeared in the injured livers are not a pure population but a mixture of two distinct origins, MH-derived and hepatic-stem-cell-derived cells. The predominant cell-derived SHs depend on the proliferative capability of the remaining MHs after the injury. This review will focus on the SHs that appeared in the liver and discuss the significance of SHs in liver regeneration.
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Affiliation(s)
- Toshihiro Mitaka
- Department of Tissue Development and Regeneration, Institute of Regenerative Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan; (N.I.); (N.T.)
| | - Norihisa Ichinohe
- Department of Tissue Development and Regeneration, Institute of Regenerative Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan; (N.I.); (N.T.)
| | - Naoki Tanimizu
- Department of Tissue Development and Regeneration, Institute of Regenerative Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan; (N.I.); (N.T.)
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
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7
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Liu JQ, Wang J, Huang XL, Liang TY, Zhou X, Mo ST, Xie HX, Yang KJ, Zhu GZ, Su H, Liao XW, Long LL, Peng T. A radiomics model based on magnetic resonance imaging to predict cytokeratin 7/19 expression and liver fluke infection of hepatocellular carcinoma. Sci Rep 2023; 13:17553. [PMID: 37845287 PMCID: PMC10579381 DOI: 10.1038/s41598-023-44773-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. HCC with liver fluke infection could harbor unique biological behaviors. This study was aimed at investigating radiomics features of HCC with liver fluke infection and establishing a model to predict the expression of cytokeratin 7 (CK7) and cytokeratin 19 (CK19) as well as prognosis at the same time. A total of 134 HCC patients were included. Gadoxetic acid-enhanced magnetic resonance imaging (MRI) images of all patients were acquired. Radiomics features of the tumor were extracted and then data dimensionality was reduced. The radiomics model was established to predict liver fluke infection and the radiomics score (Radscore) was calculated. There were 11 features in the four-phase combined model. The efficiency of the combined model increased significantly compared to each single-phase MRI model. Radscore was an independent predictor of liver fluke infection. It was also significantly different between different expression of CK7/ CK19. Meanwhile, liver fluke infection was associated with CK7/CK19 expression. A cut-off value was set up and all patients were divided into high risk and low risk groups of CK7/CK19 positive expression. Radscore was also an independent predictor of these two biomarkers. Overall survival (OS) and recurrence free survival (RFS) of negative liver fluke infection group were significantly better than the positive group. OS and RFS of negative CK7 and CK19 expression were also better, though not significantly. Positive liver fluke infection and CK19 expression prediction groups harbored significantly worse OS and RFS, survival of positive CK7 expression prediction was unsatisfying as well. A radiomics model was established to predict liver fluke infection among HCC patients. This model could also predict CK7 and CK19 expression. OS and RFS could be foreseen by this model at the same time.
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Affiliation(s)
- Jun-Qi Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Jing Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Xia-Ling Huang
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Tian-Yi Liang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Xin Zhou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Shu-Tian Mo
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Hai-Xiang Xie
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Ke-Jian Yang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Guang-Zhi Zhu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Hao Su
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Xi-Wen Liao
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Li-Ling Long
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China
| | - Tao Peng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Rd. 6#, Nanning, 530021, Guangxi Zhuang Autonomous Region, People's Republic of China.
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China.
- Key Laboratory of Early Prevention & Treatment for Regional High Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region, People's Republic of China.
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8
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Aghaei F, Arabzadeh E, Mahmoodzadeh Hosseini H, Shirvani H. Exercise Training and Probiotic Lacticaseibacillus rhamnosus GG Reduce Tetracycline-Induced Liver Oxidative Stress and Inflammation in Rats with Hepatic Steatosis. Probiotics Antimicrob Proteins 2023; 15:1393-1405. [PMID: 36169882 DOI: 10.1007/s12602-022-09994-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2022] [Indexed: 10/25/2022]
Abstract
Lifestyle modification with regular exercise can improve metabolic diseases by reducing lipid profile and inflammation. Probiotics have been recently recommended not only for gastrointestinal diseases but also for metabolic and even degenerative diseases. Therefore, in the present study, the effect of high-intensity interval training (HIIT) and Lacticaseibacillus rhamnosus strain GG (LGG) as a probiotic on tetracycline-induced hepatic steatosis in an animal model was evaluated. Eighty male Wistar rats were randomly divided into eight groups (n = 10 in each group): control, LGG, HIIT, LGG + HIIT, tetracycline-induced (TTC), TTC + LGG, TTC + HIIT, and TTC + LGG + HIIT. The rats are treated by intraperitoneal injection (IP) with 140 mg kg-1 tetracycline, an antibiotic previously known to induce steatosis. The exercise training groups performed HIIT 5 days/week for 5 weeks, and 107 CFU/ml of Lacticaseibacillus rhamnosus GG was gavaged for the LGG groups 5 days/week for 5 weeks. Fatty droplets in the hepatocyte were considered with Oil Red staining. TTC-receiving rats have more lipid accumulation and larger lipid droplets in the liver compared to healthy animals. The two-way ANOVA showed that the interaction of LGG and HIIT significantly decreased LDL, cholesterol, and triglyceride in the healthy rats (p < 0.05). In TTC-receiving rats, the interaction of LGG and HIIT significantly increased HDL and SOD and significantly decreased triglyceride, ALP, AST, and ALT (p < 0.05). The consumption of probiotic LGG, along with HIIT with control of lipid profile and liver enzymes and improvement of the oxidative capacity, neutralizes the damage of TTC to liver tissue. Therefore, this protocol can be recommended for people with hepatic steatosis.
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Affiliation(s)
- Fariba Aghaei
- Faculty of Physical Education and Sport Sciences, Karaj Branch, Islamic Azad University, Alborz, Iran
| | - Ehsan Arabzadeh
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hossein Shirvani
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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9
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Kosmalski M, Szymczak-Pajor I, Drzewoski J, Śliwińska A. Non-Alcoholic Fatty Liver Disease Is Associated with a Decreased Catalase (CAT) Level, CT Genotypes and the T Allele of the -262 C/T CAT Polymorphism. Cells 2023; 12:2228. [PMID: 37759451 PMCID: PMC10527641 DOI: 10.3390/cells12182228] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 08/18/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND It is well known that oxidative stress plays an important role in the development of non-alcoholic fatty liver disease (NAFLD). It has been suggested that an insufficient antioxidant defense system composed of antioxidant enzymes, including catalase (CAT) and nonenzymatic molecules, is a key factor triggering oxidative damage in the progression of liver disease. Therefore, the aim of our study was to assess whether the level of CAT and -262 C/T polymorphism in the promoter of CAT (rs1001179) are associated with NAFLD. METHODS In total, 281 adults (152/129 female/male, aged 65.61 ± 10.44 years) were included in the study. The patients were assigned to an NAFLD group (n = 139) or a group without NAFLD (n = 142) based on the results of an ultrasound, the Hepatic Steatosis Index, and the Fatty Liver Index (FLI). CAT levels were determined using an ELISA test, and genomic DNA was extracted via the standard phenol/chloroform-based method and genotyped via RFLP-PCR. RESULTS The CAT level was decreased in NAFLD patients (p < 0.001), and an ROC analysis revealed that a CAT level lower than 473.55 U/L significantly increases the risk of NAFLD. In turn, genotyping showed that the CT genotype and the T allele of -262 C/T CAT polymorphism elevate the risk of NAFLD. The diminished CAT level in the NAFLD group correlated with increased FLI, waist circumference and female gender. CONCLUSION The obtained results support observations that oxidative damage associated with NAFLD may be the result of a decreased CAT level as a part of the antioxidant defense system.
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Affiliation(s)
- Marcin Kosmalski
- Department of Clinical Pharmacology, Medical University of Lodz, 90-153 Lodz, Poland
| | - Izabela Szymczak-Pajor
- Department of Nucleic Acid Biochemistry, Medical University of Lodz, 92-213 Lodz, Poland; (I.S.-P.); (A.Ś.)
| | - Józef Drzewoski
- Central Teaching Hospital of Medical University of Lodz, 92-213 Lodz, Poland;
| | - Agnieszka Śliwińska
- Department of Nucleic Acid Biochemistry, Medical University of Lodz, 92-213 Lodz, Poland; (I.S.-P.); (A.Ś.)
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10
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Muñoz-Hernández R, Gato S, Gil-Gómez A, Aller R, Rojas A, Morán L, Gallego J, Blázquez-López E, Gallego-Durán R, Montero-Vallejo R, García-Fernández V, Maya-Miles D, Rico MDC, Cubero FJ, Vaquero J, Ampuero J, Bañares R, Romero-Gómez M. Role of EpCAM+ CD133+ extracellular vesicles in steatosis to steatohepatitis transition in NAFLD. Liver Int 2023; 43:1909-1919. [PMID: 37288714 DOI: 10.1111/liv.15604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/30/2023] [Accepted: 04/23/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND AND AIMS Extracellular vesicles (EVs) have emerged as a potential source of circulating biomarkers in liver disease. We evaluated circulating AV+ EpCAM+ CD133+ EVs as a potential biomarker of the transition from simple steatosis to steatohepatitis. METHODS EpCAM and CD133 liver proteins and EpCAM+ CD133+ EVs levels were analysed in 31 C57BL/6J mice fed with a chow or high fat, high cholesterol and carbohydrates diet (HFHCC) for 52 weeks. The hepatic origin of MVs was addressed using AlbCrexmT/mG mice fed a Western (WD) or Dual diet for 23 weeks. Besides, we assessed plasma MVs in 130 biopsy-proven NAFLD patients. RESULTS Hepatic expression of EpCAM and CD133 and EpCAM+ CD133+ EVs increased during disease progression in HFHCC mice. GFP+ MVs were higher in AlbCrexmT/mG mice fed a WD (5.2% vs 12.1%) or a Dual diet (0.5% vs 7.3%). Most GFP+ MVs were also positive for EpCAM and CD133 (98.3% and 92.9% respectively), suggesting their hepatic origin. In 71 biopsy-proven NAFLD patients, EpCAM+ CD133+ EVs were significantly higher in those with steatohepatitis compare to those with simple steatosis (286.4 ± 61.9 vs 758.4 ± 82.3; p < 0.001). Patients with ballooning 367 ± 40.6 vs 532.0 ± 45.1; p = 0.01 and lobular inflammation (321.1 ± 74.1 vs 721.4 ± 80.1; p = 0.001), showed higher levels of these EVs. These findings were replicated in an independent cohort. CONCLUSIONS Circulating levels of EpCAM+ CD133+ MVs in clinical and experimental NAFLD were increased in the presence of steatohepatitis, showing high potential as a non-invasive biomarker for the evaluation and management of these patients.
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Affiliation(s)
- Rocío Muñoz-Hernández
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Seville, Spain
| | - Sheila Gato
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Antonio Gil-Gómez
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Rocío Aller
- Department of Medicine, Dermatology and Toxicology, Universidad de Valladolid / Gastroenterology Unit, Hospital Clínico Universitario de Valladolid / BioCritic, Group for Biomedical Research in Critical Care Medicine, Valladolid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Angela Rojas
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Laura Morán
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine, Madrid, Spain
| | - Javier Gallego
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Elena Blázquez-López
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- Servicio de Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Rocío Gallego-Durán
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Rocío Montero-Vallejo
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - Vanessa García-Fernández
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Seville, Spain
| | - Douglas Maya-Miles
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
| | - María Del C Rico
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- UCM Digestive diseases, Hospital Universitario Virgen del Rocío, Sevilla, Spain
| | - Francisco J Cubero
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine, Madrid, Spain
| | - Javier Vaquero
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- Servicio de Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Javier Ampuero
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Seville, Spain
- UCM Digestive diseases, Hospital Universitario Virgen del Rocío, Sevilla, Spain
| | - Rafael Bañares
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- Servicio de Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Manuel Romero-Gómez
- SeLiver Group, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Seville, Spain
- UCM Digestive diseases, Hospital Universitario Virgen del Rocío, Sevilla, Spain
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11
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Morsy MHE, Nabil ZI, Darwish ST, Al-Eisa RA, Mehana AE. Anti-Diabetic and Anti-Adipogenic Effect of Harmine in High-Fat-Diet-Induced Diabetes in Mice. Life (Basel) 2023; 13:1693. [PMID: 37629550 PMCID: PMC10455780 DOI: 10.3390/life13081693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
One of the most important health issues facing the world today is obesity. It is an important independent risk factor for developing type 2 diabetes. Harmine offers various pharmacological effects, such as anti-inflammatory and anti-tumor effects. The current study aims to investigate Harmine's anti-diabetic and anti-adipogenic properties in albino mice after inducing low-grade inflammation with a high-fat diet (HFD). About forty-eight male albino mice were divided into four groups. Group 1: control mice were injected with daily saline and fed a normal chow diet of 21% protein for 5 months. Group 2: mice were treated daily with IP-injected Harmine (30 mg/kg body weight) and were fed a normal chow diet for 5 months. Group 3: mice were fed HFD to induce type 2 Diabetes Mellitus (T2DM) for 5 months. Group 4: mice were fed HFD for 14 weeks and treated with Harmine for the last 6 weeks. A figh-fat diet caused a significant increase in body and organ weight, lipid profiles, and destructive changes within the pancreas, kidney, and liver tissue. The administration of Harmine led to a remarkable improvement in the histological and ultrastructural changes induced by HFD. The findings indicate that mice cured using Harmine had lower oxidative stress, a higher total antioxidant capacity, and a reduced lipid profile compared to HFD mice. Harmine led to the hepatocytes partly restoring their ordinary configuration. Furthermore, it was noticed that the pathological incidence of damage in the structure of both the kidney and pancreas sections reduced in comparison with the diabetic group. Additional research will be required to fully understand Harmine and its preventive effects on the two forms of diabetes.
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Affiliation(s)
- Menna H E Morsy
- Department of Zoology, Faculty of Science, Arish University, Arish 45511, Egypt
- Department of Zoology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Zohour I Nabil
- Department of Zoology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Samah T Darwish
- Department of Zoology, Faculty of Science, Arish University, Arish 45511, Egypt
| | - Rasha A Al-Eisa
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Amir E Mehana
- Department of Zoology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
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12
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Shree Harini K, Ezhilarasan D. Wnt/beta-catenin signaling and its modulators in nonalcoholic fatty liver diseases. Hepatobiliary Pancreat Dis Int 2023; 22:333-345. [PMID: 36448560 DOI: 10.1016/j.hbpd.2022.10.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 10/13/2022] [Indexed: 11/04/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a global health concern associated with significant morbidity and mortality. NAFLD is a spectrum of diseases originating from simple steatosis, progressing through nonalcoholic steatohepatitis (NASH), fibrosis, and cirrhosis that may lead to hepatocellular carcinoma (HCC). The pathogenesis of NAFLD is mediated by the triglyceride accumulation followed by proinflammatory cytokines expression leading to inflammation, oxidative stress, and mitochondrial dysfunction denoted as "two-hit hypothesis", advancing with a "third hit" of insufficient hepatocyte proliferation, leading to the increase in hepatic progenitor cells contributing to fibrosis and HCC. Wnt/β-catenin signaling is responsible for normal liver development, regeneration, hepatic metabolic zonation, ammonia and drug detoxification, hepatobiliary development, etc., maintaining the overall liver homeostasis. The key regulators of canonical Wnt signaling such as LRP6, Wnt1, Wnt3a, β-catenin, GSK-3β, and APC are abnormally regulated in NAFLD. Many experimental studies have shown the aberrated Wnt/β-catenin signaling during the NAFLD progression and NASH to hepatic fibrosis and HCC. Therefore, in this review, we have emphasized the role of Wnt/β-catenin signaling and its modulators that can potentially aid in the inhibition of NAFLD.
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Affiliation(s)
- Karthik Shree Harini
- Department of Pharmacology, Molecular Medicine and Toxicology Lab, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu 600 077, India
| | - Devaraj Ezhilarasan
- Department of Pharmacology, Molecular Medicine and Toxicology Lab, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu 600 077, India.
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13
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Adori M, Bhat S, Gramignoli R, Valladolid-Acebes I, Bengtsson T, Uhlèn M, Adori C. Hepatic Innervations and Nonalcoholic Fatty Liver Disease. Semin Liver Dis 2023; 43:149-162. [PMID: 37156523 PMCID: PMC10348844 DOI: 10.1055/s-0043-57237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disorder. Increased sympathetic (noradrenergic) nerve tone has a complex role in the etiopathomechanism of NAFLD, affecting the development/progression of steatosis, inflammation, fibrosis, and liver hemodynamical alterations. Also, lipid sensing by vagal afferent fibers is an important player in the development of hepatic steatosis. Moreover, disorganization and progressive degeneration of liver sympathetic nerves were recently described in human and experimental NAFLD. These structural alterations likely come along with impaired liver sympathetic nerve functionality and lack of adequate hepatic noradrenergic signaling. Here, we first overview the anatomy and physiology of liver nerves. Then, we discuss the nerve impairments in NAFLD and their pathophysiological consequences in hepatic metabolism, inflammation, fibrosis, and hemodynamics. We conclude that further studies considering the spatial-temporal dynamics of structural and functional changes in the hepatic nervous system may lead to more targeted pharmacotherapeutic advances in NAFLD.
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Affiliation(s)
- Monika Adori
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Sadam Bhat
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Roberto Gramignoli
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ismael Valladolid-Acebes
- Department of Molecular Medicine and Surgery, The Rolf Luft Research Center for Diabetes and Endocrinology, Karolinska Institutet, Stockholm, Sweden
| | - Tore Bengtsson
- Department of Molecular Biosciences, The Wenner-Gren Institute (MBW), Stockholm University, Stockholm, Sweden
| | - Mathias Uhlèn
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Science for Life Laboratory, Royal Institute of Technology, Stockholm, Sweden
| | - Csaba Adori
- Department of Molecular Biosciences, The Wenner-Gren Institute (MBW), Stockholm University, Stockholm, Sweden
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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14
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Kim M, Rizvi F, Shin D, Gouon-Evans V. Update on Hepatobiliary Plasticity. Semin Liver Dis 2023; 43:13-23. [PMID: 36764306 PMCID: PMC10005859 DOI: 10.1055/s-0042-1760306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
The liver field has been debating for decades the contribution of the plasticity of the two epithelial compartments in the liver, hepatocytes and biliary epithelial cells (BECs), to derive each other as a repair mechanism. The hepatobiliary plasticity has been first observed in diseased human livers by the presence of biphenotypic cells expressing hepatocyte and BEC markers within bile ducts and regenerative nodules or budding from strings of proliferative BECs in septa. These observations are not surprising as hepatocytes and BECs derive from a common fetal progenitor, the hepatoblast, and, as such, they are expected to compensate for each other's loss in adults. To investigate the cell origin of regenerated cell compartments and associated molecular mechanisms, numerous murine and zebrafish models with ability to trace cell fates have been extensively developed. This short review summarizes the clinical and preclinical studies illustrating the hepatobiliary plasticity and its potential therapeutic application.
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Affiliation(s)
- Minwook Kim
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Fatima Rizvi
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
| | - Donghun Shin
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Valerie Gouon-Evans
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
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15
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Pibiri M, Simbula G. Role of the Hippo pathway in liver regeneration and repair: recent advances. Inflamm Regen 2022; 42:59. [PMID: 36471376 PMCID: PMC9720992 DOI: 10.1186/s41232-022-00235-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/09/2022] [Indexed: 12/12/2022] Open
Abstract
Although the signaling pathways involved in normal liver regeneration have been well characterized, less has been done for livers affected by chronic tissue damage. These "abnormal livers" have an impaired regenerative response that leads to liver repair and fibrosis. The tumor suppressor Hippo pathway plays a key role in liver regeneration and repair. On this basis, this review discusses recent studies focusing on the involvement of the Hippo signaling pathway during "normal healthy liver regeneration" (i.e., in a normal liver after 2/3 partial hepatectomy) and "abnormal liver regeneration" (i.e., in a liver damaged by chronic disease). This could be an important question to address with respect to new therapies aimed at improving impaired liver regenerative responses. The studies reported here have shown that activation of the Hippo coactivators YAP/TAZ during normal liver regeneration promotes the formation of a new bile duct network through direct BEC proliferation or/and hepatocyte dedifferentiation to HPCs which can trans-differentiate to BECs. Moreover, YAP/TAZ signaling interaction with other signaling pathways mediates the recruitment and activation of Kupffer cells, which release mitogenic cytokines for parenchymal and/or non-parenchymal cells and engage in phagocytosis of cellular debris. In addition, YAP-mediated activation of stellate cells (HSCs) promotes liver regeneration through the synthesis of extracellular matrix. However, in chronically diseased livers, where the predetermined threshold for proper liver regeneration is exceeded, YAP/TAZ activation results in a reparative process characterized by liver fibrosis. In this condition, YAP/TAZ activation in parenchymal and non-parenchymal cells results in (i) differentiation of quiescent HSCs into myofibroblastic HSCs; (ii) recruitment of macrophages releasing inflammatory cytokines; (iii) polarization of macrophages toward the M2 phenotype. Since accumulation of damaged hepatocytes in chronic liver injury represent a significant risk factor for the development of hepatocarcinoma, this review also discussed the involvement of the Hippo pathway in the clearance of damaged cells.
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Affiliation(s)
- Monica Pibiri
- grid.7763.50000 0004 1755 3242Department of Biomedical Sciences, Oncology and Molecular Pathology Unit, University of Cagliari, Cittadella Universitaria di Monserrato, S.P. Monserrato-Sestu km 0.700, Blocco A. 09042 Monserrato, Cagliari, Italy
| | - Gabriella Simbula
- grid.7763.50000 0004 1755 3242Department of Biomedical Sciences, Oncology and Molecular Pathology Unit, University of Cagliari, Cittadella Universitaria di Monserrato, S.P. Monserrato-Sestu km 0.700, Blocco A. 09042 Monserrato, Cagliari, Italy
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16
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Barahona I, Rada P, Calero-Pérez S, Grillo-Risco R, Pereira L, Soler-Vázquez MC, LaIglesia LM, Moreno-Aliaga MJ, Herrero L, Serra D, García-Monzon C, González-Rodriguez Á, Balsinde J, García-García F, Valdecantos MP, Valverde ÁM. Ptpn1 deletion protects oval cells against lipoapoptosis by favoring lipid droplet formation and dynamics. Cell Death Differ 2022; 29:2362-2380. [PMID: 35681014 PMCID: PMC9751306 DOI: 10.1038/s41418-022-01023-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 01/31/2023] Open
Abstract
Activation of oval cells (OCs) has been related to hepatocyte injury during chronic liver diseases including non-alcoholic fatty liver disease (NAFLD). However, OCs plasticity can be affected under pathological environments. We previously found protection against hepatocyte cell death by inhibiting protein tyrosine phosphatase 1B (PTP1B). Herein, we investigated the molecular and cellular processes involved in the lipotoxic susceptibility in OCs expressing or not PTP1B. Palmitic acid (PA) induced apoptotic cell death in wild-type (Ptpn1+/+) OCs in parallel to oxidative stress and impaired autophagy. This lipotoxic effect was attenuated in OCs lacking Ptpn1 that showed upregulated antioxidant defences, increased unfolded protein response (UPR) signaling, higher endoplasmic reticulum (ER) content and elevated stearoyl CoA desaturase (Scd1) expression and activity. These effects in Ptpn1-/- OCs concurred with an active autophagy, higher mitochondrial efficiency and a molecular signature of starvation, favoring lipid droplet (LD) formation and dynamics. Autophagy blockade in Ptpn1-/- OCs reduced Scd1 expression, mitochondrial fitness, LD formation and restored lipoapoptosis, an effect also recapitulated by Scd1 silencing. PTP1B immunostaining was detected in OCs from mouse liver and, importantly, LDs were found in OCs from Ptpn1-/- mice with NAFLD. In conclusion, we demonstrated that Ptpn1 deficiency restrains lipoapoptosis in OCs through a metabolic rewiring towards a "starvation-like" fate, favoring autophagy, mitochondrial fitness and LD formation. Dynamic LD-lysosomal interations likely ensure lipid recycling and, overall, these adaptations protect against lipotoxicity. The identification of LDs in OCs from Ptpn1-/- mice with NAFLD opens therapeutic perspectives to ensure OC viability and plasticity under lipotoxic liver damage.
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Affiliation(s)
- Inés Barahona
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
| | - Patricia Rada
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
| | - Silvia Calero-Pérez
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
| | - Ruben Grillo-Risco
- Bioinformatics and Biostatistics Unit, Principe Felipe Research Center (CIPF), 46012, Valencia, Spain
| | - Laura Pereira
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), 47003, Valladolid, Spain
| | - M Carmen Soler-Vázquez
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, 08028, Barcelona, Spain
| | - Laura María LaIglesia
- University of Navarra, Center for Nutrition Research and Department of Nutrition, Food Science and Physiology, School of Pharmacy and Nutrition, 31008, Pamplona, Spain
| | - María J Moreno-Aliaga
- University of Navarra, Center for Nutrition Research and Department of Nutrition, Food Science and Physiology, School of Pharmacy and Nutrition, 31008, Pamplona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029, Madrid, Spain
- IdiSNA, Navarra Institute for Health Research, 31008, Pamplona, Spain
| | - Laura Herrero
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, 08028, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Dolors Serra
- Department of Biochemistry and Physiology, School of Pharmacy and Food Sciences, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, 08028, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Carmelo García-Monzon
- Unidad de Investigación, Hospital Universitario Santa Cristina, Instituto de Investigación Sanitaria del Hospital Universitario de La Princesa, 28009, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029, Madrid, Spain
| | - Águeda González-Rodriguez
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
- Unidad de Investigación, Hospital Universitario Santa Cristina, Instituto de Investigación Sanitaria del Hospital Universitario de La Princesa, 28009, Madrid, Spain
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain
| | - Jesús Balsinde
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), 47003, Valladolid, Spain
| | - Francisco García-García
- Bioinformatics and Biostatistics Unit, Principe Felipe Research Center (CIPF), 46012, Valencia, Spain
| | - M Pilar Valdecantos
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain.
| | - Ángela M Valverde
- Instituto de Investigaciones Biomédicas Alberto Sols (Centro Mixto CSIC-UAM), 28029, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERdem), 28029, Madrid, Spain.
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17
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Role of Oxidative Stress in Liver Disorders. LIVERS 2022. [DOI: 10.3390/livers2040023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Oxygen is vital for life as it is required for many different enzymatic reactions involved in intermediate metabolism and xenobiotic biotransformation. Moreover, oxygen consumption in the electron transport chain of mitochondria is used to drive the synthesis of ATP to meet the energetic demands of cells. However, toxic free radicals are generated as byproducts of molecular oxygen consumption. Oxidative stress ensues not only when the production of reactive oxygen species (ROS) exceeds the endogenous antioxidant defense mechanism of cells, but it can also occur as a consequence of an unbalance between antioxidant strategies. Given the important role of hepatocytes in the biotransformation and metabolism of xenobiotics, ROS production represents a critical event in liver physiology, and increasing evidence suggests that oxidative stress contributes to the development of many liver diseases. The present review, which is part of the special issue “Oxidant stress in Liver Diseases”, aims to provide an overview of the sources and targets of ROS in different liver diseases and highlights the pivotal role of oxidative stress in cell death. In addition, current antioxidant therapies as treatment options for such disorders and their limitations for future trial design are discussed.
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18
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Wang H, Sun R, Yang S, Ma X, Yu C. Association between serum ferritin level and the various stages of non-alcoholic fatty liver disease: A systematic review. Front Med (Lausanne) 2022; 9:934989. [PMID: 35991666 PMCID: PMC9381877 DOI: 10.3389/fmed.2022.934989] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/18/2022] [Indexed: 12/02/2022] Open
Abstract
Introduction Non-alcoholic fatty liver disease (NAFLD) has become the most common liver disorder across the world, and non-invasive evaluation approaches are in need to assess NAFLD disease progression. Serum ferritin has been proposed as one of the biomarkers for NAFLD diagnosis in previous studies. This systematic review aims to identify, report, and synthesize studies that investigated the association of serum ferritin level with the various stages of NAFLD among the adult population. Methods Three databases - MEDLINE, EMBASE, and Scopus - were systematically searched to obtain potentially relevant publications before July 2022. No restrictions were applied to geographical region, study design, publication type and language. The association between serum ferritin level or different ferritin categories and the various stages of NAFLD was the primary outcome of interest. Title and abstract screenings, data extraction and coding, and quality assessment were independently completed by two authors with discrepancies resolved through discussion with a third author. Results Thirty-two studies were included and heterogeneity was considerable. The associations between serum ferritin level and the stages of hepatic steatosis, fibrosis, inflammation and ballooning and the occurrence of non-alcoholic steatohepatitis (NASH) were investigated but inconsistent associations were reported. Most studies identified serum ferritin to be a predictor of advanced NAFLD, while several revealed the opposite end. Conclusions Serum ferritin could be considered to act as a non-invasive biomarker for assessing various stages of NAFLD. Nevertheless, further studies are still in need to confirm its predictive value since this study reported inconsistent associations based on the qualitative synthesis. Systematic Review Registration http://www.crd.york.ac.uk/PROSPERO, identifier: CRD42021275630.
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Affiliation(s)
- Huanqiu Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ruyu Sun
- Institute of Social Medicine, School of Medicine, Zhejiang University, Hangzhou, China
| | - Sisi Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xueqing Ma
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Chengbo Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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19
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Qian Y, Shang Z, Gao Y, Wu H, Kong X. Liver Regeneration in Chronic Liver Injuries: Basic and Clinical Applications Focusing on Macrophages and Natural Killer Cells. Cell Mol Gastroenterol Hepatol 2022; 14:971-981. [PMID: 35738473 PMCID: PMC9489753 DOI: 10.1016/j.jcmgh.2022.05.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/28/2022] [Accepted: 07/27/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND & AIMS Liver regeneration is a necessary but complex process involving multiple cell types besides hepatocytes. Mechanisms underlying liver regeneration after partial hepatectomy and acute liver injury have been well-described. However, in patients with chronic and severe liver injury, the remnant liver cannot completely restore the liver mass and function, thereby involving liver progenitor-like cells (LPLCs) and various immune cells. RESULTS Macrophages are beneficial to LPLCs proliferation and the differentiation of LPLCs to hepatocytes. Also, cells expressing natural killer (NK) cell markers have been studied in promoting both liver injury and liver regeneration. NK cells can promote LPLC-induced liver regeneration, but the excessive activation of hepatic NK cells may lead to high serum levels of interferon-γ, thus inhibiting liver regeneration. CONCLUSIONS This review summarizes the recent research on 2 important innate immune cells, macrophages and NK cells, in LPLC-induced liver regeneration and the mechanisms of liver regeneration during chronic liver injury, as well as the latest macrophage- and NK cell-based therapies for chronic liver injury. These novel findings can further help identify new treatments for chronic liver injury, saving patients from the pain of liver transplantations.
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Affiliation(s)
- Yihan Qian
- Central Laboratory, Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhi Shang
- Central Laboratory, Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yueqiu Gao
- Central Laboratory, Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hailong Wu
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, China.
| | - Xiaoni Kong
- Central Laboratory, Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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20
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He Q, Cui L, Yuan X, Wang M, Hui L. Cell identity conversion in liver regeneration after injury. Curr Opin Genet Dev 2022; 75:101921. [PMID: 35644120 DOI: 10.1016/j.gde.2022.101921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/21/2022] [Accepted: 04/24/2022] [Indexed: 11/03/2022]
Abstract
Cell identity conversion in liver injury is the process that mature cells, specifically hepatocytes or cholangiocytes, convert into cells with other identities, which is found to play a pivotal role in liver regeneration. A better characterization of cell identity conversion will not only facilitate the understanding of liver tissue repair but also the development of novel regenerative therapies. In this review, we discuss the latest advances in cell identity conversion during liver regeneration, including conversions between hepatocytes and cholangiocytes and hepatocyte reprogramming to liver progenitor-like cells. To develop a unified description of cellular states in injury-related liver regeneration, we further propose the quantitative approach to explore cell identity conversion based on the Waddington's landscape.
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Affiliation(s)
- Qiang He
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Lei Cui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Mengyao Wang
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China.
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21
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Mak KM, Kee D, Cheng CP. A review of hepatic fibrosis-associated histopathology in aged cadavers. Anat Rec (Hoboken) 2022; 306:1031-1053. [PMID: 35446463 DOI: 10.1002/ar.24931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 11/08/2022]
Abstract
This article reviews hepatic fibrosis-associated histopathology of aged cadavers (mean age 82 years). A study of 68 livers identified steatosis in 35.5%, central vein fibrosis in 49.2%, perisinusoidal fibrosis in 63.2%, portal tract fibrosis in 47.7%, septa formation in 44.1%, bridging fibrosis in 30.8%, and cirrhosis in 4.4% of the samples as well as one hepatocellular carcinoma and six metastatic tumors. Other studies have revealed that collagens I, III, IV, V, and VI and fibronectin constitute the matrices of fibrous central veins, perisinusoidal space, portal tracts, and septa. Elastin is rich in portal tracts and fibrous septa but absent from the perisinusoidal space. Hepatic stellate cells are ubiquitous in the liver parenchyma while myofibroblasts localize in fibrotic foci. Factor VIII-related antigen expression signals sinusoidal to systemic vascular endothelium transformation while collagen IV and laminin codistribution indicates formation of perisinusoidal membranes. Their coincidence reflects focalized capillarization of sinusoids in the aged liver. In response to fibrogenesis, hepatic progenitor cells residing in the canal of Hering in the periportal parenchyma undergo expansion and migration deep into the lobule. Concomitantly, intermediate hepatocyte-like cells increase in advanced fibrosis stages, which is possibly related to hepatic regeneration. Metabolic zonation of glutamine synthetase expands from the perivenous to non-perivenous parenchyma in fibrosis progression but its expression is lost in cirrhosis, while cytochrome P-4502E1 expression is maintained in centrilobular and midlobular zones in fibrosis progression and expressed in cirrhosis. Hence, cadaveric livers provide a platform for further investigation of hepatic histopathologies associated with the aging liver.
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Affiliation(s)
- Ki M Mak
- Department of Medical Education, Center for Anatomy and Functional Morphology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Dustin Kee
- Department of Medical Education, Center for Anatomy and Functional Morphology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Christopher P Cheng
- Department of Medical Education, Center for Anatomy and Functional Morphology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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22
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Lin Y, Zhang F, Zhang L, Chen L, Zheng S. Characteristics of SOX9-positive progenitor-like cells during cholestatic liver regeneration in biliary atresia. Stem Cell Res Ther 2022; 13:114. [PMID: 35313986 PMCID: PMC8935712 DOI: 10.1186/s13287-022-02795-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
Background The progression of Biliary Atresia (BA) is associated with the number of reactive ductular cells (RDCs) whose heterogeneity in origin and evolution in humans remains unknown. SOX9-positive liver progenitor-like cells (LPLCs) have been shown to participate in RDCs and new hepatocyte formation during cholestatic liver regeneration in an animal model, which implies the possibility that hepatocyte-reprogrammed LPLCs could be a source of RDCs in BA. The present study aimed to elucidate the characteristics of SOX9-positive LPLCs in BA for exploring new possible therapeutic targets by manipulating the bi-differentiation process of LPLCs to prevent disease progression. Methods Twenty-eight patients, including 24 patients with BA and 4 patients with Congenital Choledochal Cyst as the control group, were retrospectively recruited. Liver biopsy samples were classified histologically using a 4-point scale based on fibrosis severity. LPLCs were detected by SOX9 and HNF4A double positive staining. Single immunohistochemistry, double immunohistochemistry, and multiple immunofluorescence staining were used to determine the different cell types and characteristics of LPLCs. Results The prognostic predictors of BA, namely total bile acid (TBA), RDCs, and fibrosis, were correlated to the emergence of LPLCs. SOX9 and HNF4A double-positive LPLCs co-stained rarely with relevant markers of portal hepatic progenitor cells (portal-HPCs), including CK19, CK7, EPCAM, PROM1 (CD133), TROP2, and AFP. Under cholestasis conditions, LPLCs acquired superior proliferation and anti-senescence ability among hepatocytes. Moreover, LPLCs arranged as a pseudo-rosette structure appeared from the periportal parenchyma to the portal region, which implied the differentiation from hepatocyte-reprogrammed LPLCs to RDCs with the progression of cholestasis. Conclusions LPLCs are associated with disease progression and prognostic factors of BA. The bipotent characteristics of LPLCs are different from those of portal-HPCs. As cholestasis progresses, LPLCs appear to gain superior proliferation and anti-senescence ability and continually differentiate to RDCs. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02795-2.
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Affiliation(s)
- Yuting Lin
- Department of Pediatric Surgery, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai Key Laboratory of Birth Defect, and Key Laboratory of Neonatal Disease, Ministry of Health, 399 Wan Yuan Road, Shanghai, 201102, China
| | - Fang Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Lian Chen
- Department of Pathology, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wan Yuan Road, Shanghai, 201102, China
| | - Shan Zheng
- Department of Pediatric Surgery, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai Key Laboratory of Birth Defect, and Key Laboratory of Neonatal Disease, Ministry of Health, 399 Wan Yuan Road, Shanghai, 201102, China.
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23
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Wu Y, Yang X, Morris HL, Gurka MJ, Shenkman EA, Cusi K, Bril F, Donahoo WT. Non-invasive Diagnosis of Nonalcoholic Steatohepatitis and Advanced Liver Fibrosis: using Machine Learning Methods (Preprint). JMIR Med Inform 2022; 10:e36997. [PMID: 35666557 PMCID: PMC9210198 DOI: 10.2196/36997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 04/22/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yonghui Wu
- Department of Health Outcomes & Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Xi Yang
- Department of Health Outcomes & Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
| | | | - Matthew J Gurka
- Department of Health Outcomes & Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Elizabeth A Shenkman
- Department of Health Outcomes & Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Kenneth Cusi
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Fernando Bril
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - William T Donahoo
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
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24
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Abstract
Non-alcoholic fatty liver disease (NAFLD) is a challenging disease caused by multiple factors, which may partly explain why it still remains an orphan of adequate therapies. This review highlights the interaction between oxidative stress (OS) and disturbed lipid metabolism. Several reactive oxygen species generators, including those produced in the gastrointestinal tract, contribute to the lipotoxic hepatic (and extrahepatic) damage by fatty acids and a great variety of their biologically active metabolites in a “multiple parallel-hit model”. This leads to inflammation and fibrogenesis and contributes to NAFLD progression. The alterations of the oxidant/antioxidant balance affect also metabolism-related organelles, leading to lipid peroxidation, mitochondrial dysfunction, and endoplasmic reticulum stress. This OS-induced damage is at least partially counteracted by the physiological antioxidant response. Therefore, modulation of this defense system emerges as an interesting target to prevent NAFLD development and progression. For instance, probiotics, prebiotics, diet, and fecal microbiota transplantation represent new therapeutic approaches targeting the gut microbiota dysbiosis. The OS and its counter-regulation are under the influence of individual genetic and epigenetic factors as well. In the near future, precision medicine taking into consideration genetic or environmental epigenetic risk factors, coupled with new OS biomarkers, will likely assist in noninvasive diagnosis and monitoring of NAFLD progression and in further personalizing treatments.
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25
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Cadamuro M, Lasagni A, Sarcognato S, Guido M, Fabris R, Strazzabosco M, Strain AJ, Simioni P, Villa E, Fabris L. The Neglected Role of Bile Duct Epithelial Cells in NASH. Semin Liver Dis 2022; 42:34-47. [PMID: 34794182 DOI: 10.1055/s-0041-1739455] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most prevalent liver disease worldwide, and affects 25% of the population in Western countries. NAFLD is the hepatic manifestation of the metabolic syndrome, linked to insulin resistance, which is the common pathogenetic mechanism. In approximately 40% of NAFLD patients, steatosis is associated with necro-inflammation and fibrosis, resulting in nonalcoholic steatohepatitis (NASH), a severe condition that may progress to cirrhosis and liver cancer. Although the hepatocyte represents the main target of the disease, involvement of the bile ducts occurs in a subset of patients with NASH, and is characterized by ductular reaction and activation of the progenitor cell compartment, which incites portal fibrosis and disease progression. We aim to dissect the multiple biological effects that adipokines and metabolic alterations exert on cholangiocytes to derive novel information on the mechanisms driven by insulin resistance, which promote fibro-inflammation and carcinogenesis in NASH.
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Affiliation(s)
| | - Alberto Lasagni
- Division of General Medicine, Padua University-Hospital, Padua, Italy
| | | | - Maria Guido
- Department of Pathology, Azienda ULSS2 Marca Trevigiana, Treviso, Italy.,Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Roberto Fabris
- Division of Clinica Medica 3, Center for the Study and the Integrated Management of Obesity, Padua University-Hospital, Padua, Italy
| | - Mario Strazzabosco
- Department of Internal Medicine, Digestive Disease Section, Liver Center, Yale University, New Haven, Connecticut
| | - Alastair J Strain
- School of Biosciences, University of Birmingham, Birmingham, United Kingdom
| | - Paolo Simioni
- Division of General Medicine, Padua University-Hospital, Padua, Italy.,Department of Medicine (DIMED), University of Padua, Padua, Italy
| | - Erica Villa
- Gastroenterology Unit, Department of Medical Specialties, University of Modena & Reggio Emilia and Modena University-Hospital, Modena, Italy
| | - Luca Fabris
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy.,Division of General Medicine, Padua University-Hospital, Padua, Italy.,Department of Internal Medicine, Digestive Disease Section, Liver Center, Yale University, New Haven, Connecticut
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26
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Sugiyama H, Kobayashi Y, Sumida Y, Wada S, Tani M, Shizukawa Y, Shirota K, Sasai Y, Suzuki T, Aoi W, Naito Y, Kuwahata M. A nutritional intervention that promotes increased vegetable intake in Japanese with non-alcoholic fatty liver disease: a six-month trial. J Clin Biochem Nutr 2022; 70:46-53. [PMID: 35068681 PMCID: PMC8764111 DOI: 10.3164/jcbn.21-40] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/04/2021] [Indexed: 12/02/2022] Open
Abstract
The aim of this study was to investigate whether a nutritional intervention motivating increased vegetable consumption would be an effective treatment and diet therapy for patients with non-alcoholic fatty liver disease. We examined 15 patients with this disease (5 men and 10 women). During the 6-month intervention period, all participants received a small amount of vegetables twice a month as a nutritional education tool aimed at increasing vegetable consumption. They also received nutritional counseling and underwent ultrasound and blood biochemical examinations at baseline and 3 and 6 months after initiation of the intervention. Moreover, they were requested to submit dietary records for any 2 days. Green, white, and total vegetable intakes were significantly higher at 3 and 6 months than at baseline in 8 patients. These patients had significantly lower alanine aminotransferase and triglyceride concentrations than those whose vegetable intake did not increase. Additionally, green vegetable intake significantly negatively correlated with weight at 3 and 6 months (r = −0.617, p = 0.032 and r = −0.848, p = 0.008, respectively). These results suggest that our nutritional approach effectively increased vegetable consumption in at least some patients with non-alcoholic fatty liver disease, consequently improving their condition.
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Affiliation(s)
- Hiroki Sugiyama
- Department of Food Science and Human Nutrition, Faculty of Agriculture, Ryukoku University
| | - Yukiko Kobayashi
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yoshio Sumida
- Division of Hepatology and Pancreatology, Department of Internal Medicine, Aichi Medical University
| | - Sayori Wada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Michiyo Tani
- Nantan Promotion Administration Office, Kyoto Prefectural Government
| | - Yoshiaki Shizukawa
- Biotechnology Research Center, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center
| | - Koji Shirota
- Biotechnology Research Center, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center
| | - Yukiko Sasai
- Nutrition Division of University Hospital, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
| | - Taro Suzuki
- Department of Food Science and Human Nutrition, Faculty of Agriculture, Ryukoku University
| | - Wataru Aoi
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yuji Naito
- Division of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
| | - Masashi Kuwahata
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
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27
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Li Q, Gong Y, Wang Y, Liu B, Chu Y, Gui S, Zheng Y, Chen X. Sirt1 Promotes the Restoration of Hepatic Progenitor Cell (HPC)-Mediated Liver Fatty Injury in NAFLD Through Activating the Wnt/β-Catenin Signal Pathway. Front Nutr 2021; 8:791861. [PMID: 34977130 PMCID: PMC8714951 DOI: 10.3389/fnut.2021.791861] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 11/05/2021] [Indexed: 01/20/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) has developed into the world's largest chronic epidemic. In NAFLD, hepatic steatosis causes hepatocytes dysfunction and even apoptosis. The liver has a strong restoration or regeneration ability after an injury, however, it is unclear through which pattern fatty liver injury in NAFLD is repaired and what the repair mechanism is. Here, we found that in the high-fat diet (HFD)-induced NAFLD mice model, fatty liver injury caused the significant ductular reaction (DR), which is a marker to promote the repair of liver injury. SOX9+ and HNF4α+ biphenotype also suggested that hepatic progenitor cells (HPCs) were activated by fatty liver injury in the HFD-elicited NAFLD mice model. Concurrently, fatty liver injury also activated the Wnt/β-catenin signal pathway, which is a necessary process for HPC differentiation into mature hepatocytes. However, Sirt1 knockdown weakened HPC activation and Wnt/β-catenin signal in Sirt1+/− mice with HFD feeding. In rat-derived WB-F344 hepatic stem cell line, Sirt1 overexpression (OE) or Sirt1 activator–Resveratrol promoted HPC differentiation via activating Wnt/β-catenin signal pathway. Glycogen PAS staining demonstrated that Sirt1 OE promoted WB-F344 cells to differentiate into mature hepatocytes with glycogen synthesis ability, while Sirt1 inhibitor EX527 or Wnt/β-catenin pathway inhibitor HF535 decreased glycogen positive cells. Together, our data suggested that Sirt1 plays a vital role in activating HPCs to repair fatty liver injury or promote liver regeneration through the Wnt/β-catenin signal pathway in NAFLD, which might provide a new strategy for fatty liver injury or NAFLD therapy.
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Affiliation(s)
- Qinjin Li
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yuqing Gong
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yi Wang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Bingbing Liu
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yi Chu
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Sisi Gui
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yazhen Zheng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xiaodong Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology & College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- *Correspondence: Xiaodong Chen
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Progressive Liver Fibrosis in Non-Alcoholic Fatty Liver Disease. Cells 2021; 10:cells10123401. [PMID: 34943908 PMCID: PMC8699709 DOI: 10.3390/cells10123401] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 12/11/2022] Open
Abstract
Non-alcoholic steatohepatitis (NASH) is a chronic and progressive form of non-alcoholic fatty liver disease. Its global incidence is increasing and makes NASH an epidemic and a public health threat. Non-alcoholic fatty liver disease is associated with major morbidity and mortality, with a heavy burden on quality of life and liver transplant requirements. Due to repeated insults to the liver, patients are at risk for developing hepatocellular carcinoma. The progression of NASH was initially defined according to a two-hit model involving an initial development of steatosis, followed by a process of lipid peroxidation and inflammation. In contrast, current evidence proposes a “multi-hit” or “multi-parallel hit” model that includes multiple pathways promoting progressive fibrosis and oncogenesis. This model includes multiple cellular, genetic, immunological, metabolic, and endocrine pathways leading to hepatocellular carcinoma development, underscoring the complexity of this disease.
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Aloia L. The influence of tissue spatial geometry and functional organisation on liver regeneration. Semin Cell Dev Biol 2021; 130:70-78. [PMID: 34563460 DOI: 10.1016/j.semcdb.2021.09.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/09/2021] [Accepted: 09/10/2021] [Indexed: 12/14/2022]
Abstract
The adult liver exerts crucial functions, including nutrient metabolism and storage, bile production and drug detoxification. These complex functions expose the liver to constant damage induced by toxins, metabolic intermediates and oxidative stress. However, the adult liver exhibits an exceptional regenerative potential, which allows fast and efficient restoration of tissue architecture and function both after tissue resection and toxic damage. To accomplish its vital role, the liver shows a peculiar tissue architecture into functional units, which follow the gradient of oxygen and nutrients within the parenchyma. Much less is known about the influence of tissue spatial geometry and functional organisation on adult liver regeneration. Here I examine the experimental evidence in mouse models showing that the spatial organisation of the epithelial and mesenchymal compartments plays a key role in liver regeneration and favours the establishment of regenerative adult liver progenitors following liver injury. I also discuss the advantages and limitations of human and mouse 3D hepatic organoid systems, which recapitulate key aspects of liver function and architecture, as models of liver regeneration and disease. Finally, I analyse the role of the YAP/TAZ transcriptional co-activators as a central hub sensing the extra-cellular matrix (ECM), metabolic and epigenetic remodelling that regulate liver regeneration and promote liver disease, such as fibrosis, chronic liver disease and liver cancer. Together, the findings summarised here demonstrate that local physical and functional cellular interactions determined by the liver peculiar spatial geometry, play a crucial role in liver regeneration, and that their alterations have important implications for human liver disease.
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Affiliation(s)
- Luigi Aloia
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London WC1E 6BT, UK
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30
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Tursun S, Gülerman HF, Gazyağcı S, Şahin Y, Erel Ö, Neşelioğlu S. Investigation of Thiol/Disulfide Balance in Obese Rats with Non-Alcoholic Fatty Liver Disease. Pediatr Gastroenterol Hepatol Nutr 2021; 24:443-454. [PMID: 34557397 PMCID: PMC8443854 DOI: 10.5223/pghn.2021.24.5.443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/16/2021] [Accepted: 06/03/2021] [Indexed: 11/14/2022] Open
Abstract
PURPOSE Due to the increasing prevalence of obesity worldwide, non-alcoholic fatty liver disease (NAFLD) has reached epidemic dimensions over time. NAFLD is the most common cause of childhood chronic liver disease. There is a relationship between NAFLD and oxidative stress. This study aims to investigate the changes in thiol/disulfide homeostasis parameters to determine the oxidant/antioxidant balance in obese rats with diet-induced NAFLD and healthy rats. METHODS Twelve Wistar albino rats were used in this study. Experimentally produced NAFLD obese rats (n=6) and healthy rats were compared. Experimental NAFLD model was created with a special fatty liver diet (Altromin® C1063, Fatty Liver Diet, Exclusivet, Lage, Germany). The biochemical and histopathological features of the groups, as well as serum thiol/disulfide homeostasis parameters, were analyzed and compared. RESULTS In the experimentally induced NAFLD rat model, they gained more weight than the control group. Steatosis (at least grade 2) occurred in all rats fed with special fatty liver diet for 12 weeks. Histopathologically, no high-grade inflammation was observed in rats with experimental NAFLD after feeding a diet for 12 weeks. Results revealed that aspartate transaminase and alanine transaminase levels were high, albumin levels were low, oxidant stress parameters increased, and antioxidant thiol groups decreased. CONCLUSION Experimental NAFLD is characterized by increased oxidant stress accompanying fatty tissue in the liver. Analysis of thiol/disulfide homeostasis parameters in NAFLD can be used in further studies to develop effective treatment options.
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Affiliation(s)
- Serkan Tursun
- Department of Pediatrics, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Hacer Fulya Gülerman
- Department of Pediatric Gastroenterology, Faculty of Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Serkal Gazyağcı
- Department of Internal Medicine, Faculty of Veterinary Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Yaşar Şahin
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Kırıkkale University, Kırıkkale, Turkey
| | - Özcan Erel
- Department of Biochemistry, Faculty of Medicine, Yıldırım Beyazıt University, Ankara, Turkey
| | - Salim Neşelioğlu
- Department of Biochemistry, Faculty of Medicine, Yıldırım Beyazıt University, Ankara, Turkey
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31
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Kim A, Wu X, Allende DS, Nagy LE. Gene Deconvolution Reveals Aberrant Liver Regeneration and Immune Cell Infiltration in Alcohol-Associated Hepatitis. Hepatology 2021; 74:987-1002. [PMID: 33619773 PMCID: PMC8475730 DOI: 10.1002/hep.31759] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/23/2020] [Accepted: 01/10/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Acute liver damage causes hepatocyte stress and death, but in chronic liver disease impaired hepatocyte regeneration and immune cell infiltration prevents recovery. While the roles of both impaired liver regeneration and immune infiltration have been studied extensively in chronic liver diseases, the differential contribution of these factors is difficult to assess. APPROACH AND RESULTS We combined single-cell RNA-sequencing (RNA-seq) data from healthy livers and peripheral immune cells to measure cell proportions in chronic liver diseases. Using bulk RNA-seq data from patients with early alcohol-associated hepatitis, severe AH (sAH), HCV, HCV with cirrhosis, and NAFLD, we performed gene deconvolution to predict the contribution of different cell types in each disease. Patients with sAH had the greatest change in cell composition, with increases in both periportal hepatocytes and cholangiocyte populations. Interestingly, while central vein hepatocytes were decreased, central vein endothelial cells were expanded. Endothelial cells are thought to regulate liver regeneration through WNT signaling. WNT2, important in central vein hepatocyte development, was down in sAH, while multiple other WNTs and WNT receptors were up-regulated. Immunohistochemistry revealed up-regulation of FZD6, a noncanonical WNT receptor, in hepatocytes in sAH. Immune cell populations also differed in disease. In sAH, a specific group of inflammatory macrophages was increased and distinct from the macrophage population in patients with HCV. Network and correlation analyses revealed that changes in the cell types in the liver were highly correlated with clinical liver function tests. CONCLUSIONS These results identify distinct changes in the liver cell populations in chronic liver disease and illustrate the power of using single-cell RNA-seq data from a limited number of samples in understanding multiple different diseases.
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Affiliation(s)
- Adam Kim
- Northern Ohio Alcohol Center, Center for Liver Disease Research, Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Xiaoqin Wu
- Northern Ohio Alcohol Center, Center for Liver Disease Research, Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Laura E. Nagy
- Northern Ohio Alcohol Center, Center for Liver Disease Research, Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, OH, United States
- Department of Molecular Medicine, Case Western Reserve University, Cleveland, OH, United States
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Goonetilleke M, Kuk N, Correia J, Hodge A, Moore G, Gantier MP, Yeoh G, Sievert W, Lim R. Addressing the liver progenitor cell response and hepatic oxidative stress in experimental non-alcoholic fatty liver disease/non-alcoholic steatohepatitis using amniotic epithelial cells. Stem Cell Res Ther 2021; 12:429. [PMID: 34321089 PMCID: PMC8317377 DOI: 10.1186/s13287-021-02476-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 06/26/2021] [Indexed: 12/29/2022] Open
Abstract
Background Non-alcoholic fatty liver disease is the most common liver disease globally and in its inflammatory form, non-alcoholic steatohepatitis (NASH), can progress to cirrhosis and hepatocellular carcinoma (HCC). Currently, patient education and lifestyle changes are the major tools to prevent the continued progression of NASH. Emerging therapies in NASH target known pathological processes involved in the progression of the disease including inflammation, fibrosis, oxidative stress and hepatocyte apoptosis. Human amniotic epithelial cells (hAECs) were previously shown to be beneficial in experimental models of chronic liver injury, reducing hepatic inflammation and fibrosis. Previous studies have shown that liver progenitor cells (LPCs) response plays a significant role in the development of fibrosis and HCC in mouse models of fatty liver disease. In this study, we examined the effect hAECs have on the LPC response and hepatic oxidative stress in an experimental model of NASH. Methods Experimental NASH was induced in C57BL/6 J male mice using a high-fat, high fructose diet for 42 weeks. Mice received either a single intraperitoneal injection of 2 × 106 hAECs at week 34 or an additional hAEC dose at week 38. Changes to the LPC response and oxidative stress regulators were measured. Results hAEC administration significantly reduced the expansion of LPCs and their mitogens, IL-6, IFNγ and TWEAK. hAEC administration also reduced neutrophil infiltration and myeloperoxidase production with a concurrent increase in heme oxygenase-1 production. These observations were accompanied by a significant increase in total levels of anti-fibrotic IFNβ in mice treated with a single dose of hAECs, which appeared to be independent of c-GAS-STING activation. Conclusions Expansion of liver progenitor cells, hepatic inflammation and oxidative stress associated with experimental NASH were attenuated by hAEC administration. Given that repeated doses did not significantly increase efficacy, future studies assessing the impact of dose escalation and/or timing of dose may provide insights into clinical translation. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02476-6.
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Affiliation(s)
- Mihiri Goonetilleke
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Victoria, Australia
| | - Nathan Kuk
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,Gastroenterology and Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
| | - Jeanne Correia
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Victoria, Australia.,Gastroenterology and Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
| | - Alex Hodge
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,Gastroenterology and Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
| | - Gregory Moore
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,Gastroenterology and Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
| | - Michael P Gantier
- Department of Molecular and Translational Science, Monash University, Clayton, Victoria, Australia.,Centre for Innate Immunity and Infectious Disease, Hudson Institute of Medical Research, Melbourne, Victoria, Australia
| | - George Yeoh
- Centre for Medical Research, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia, Australia.,School of Molecular Sciences, The University of Western Australia, Crawley, Western Australia, Australia.,Centre for Cell Therapy and Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia, Crawley, Western Australia, Australia
| | - William Sievert
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.,Gastroenterology and Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
| | - Rebecca Lim
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Victoria, Australia. .,Department of Obstetrics and Gynaecology, Monash University, Melbourne, Victoria, Australia.
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Yang X, Shao C, Duan L, Hou X, Huang Y, Gao L, Zong C, Liu W, Jiang J, Ye F, Shi J, Zhao Q, Wu D, Wei L. Oncostatin M promotes hepatic progenitor cell activation and hepatocarcinogenesis via macrophage-derived tumor necrosis factor-α. Cancer Lett 2021; 517:46-54. [PMID: 34102284 DOI: 10.1016/j.canlet.2021.05.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/17/2021] [Accepted: 05/31/2021] [Indexed: 12/30/2022]
Abstract
Hepatocellular carcinoma (HCC) usually occurs at the late stage of chronic liver injury. Oncostatin M (OSM) is a tumor-associated cytokine highly expressed in cirrhosis and HCC patients; however, its role in hepatocarcinogenesis has not been clearly elucidated. In this study, we investigated the effect of OSM on HCC occurrence in a rat model of N-diethylnitrosamine-induced HCC. OSM overexpression significantly increased the number of tumor nodules and shortened the overall survival of the rats. Notably, OSM promoted HPC activation in vivo but did not directly regulate the proliferation of the HPC cell line in vitro. Further, OSM induced tumor necrosis factor-α (TNF-α) secretion and CD68+ macrophage accumulation, which were positively correlated with HPC activation. Additionally, TNF-α or macrophage depletion inhibited the promoting effect of OSM on hepatocarcinogenesis and HPC activation. Furthermore, OSM expression in the peritumoral tissues of HCC was positively correlated with poor overall survival of patients. In conclusion, OSM plays an important role in hepatocarcinogenesis by regulating the liver inflammation environment. Hence, OSM could be used as a potential target for HCC prevention and therapy or as an indicator of HCC prognosis.
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Affiliation(s)
- Xue Yang
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Changchun Shao
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Lixia Duan
- Department of Breast, Bone &Soft Tissue Oncology, Guangxi Medical University Cancer Hospital, Nanning, 530021, China
| | - Xiaojuan Hou
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Yihua Huang
- Department of Pathology, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350108, China
| | - Lu Gao
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Chen Zong
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Wenting Liu
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Jinghua Jiang
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Fei Ye
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Junxia Shi
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Qiudong Zhao
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China
| | - Dong Wu
- Department of Hepatic Surgery Ⅳ, The Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200444, China.
| | - Lixin Wei
- Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Second Military Medical University, Shanghai, 200438, China.
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Wang T, Chen K, Yao W, Zheng R, He Q, Xia J, Li J, Shao Y, Zhang L, Huang L, Qin L, Xu M, Zhang Z, Pan D, Li Z, Huang F. Acetylation of lactate dehydrogenase B drives NAFLD progression by impairing lactate clearance. J Hepatol 2021; 74:1038-1052. [PMID: 33248168 DOI: 10.1016/j.jhep.2020.11.028] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND & AIMS Lactate has recently been reported to accumulate in the livers of patients progressing from simple steatosis to non-alcoholic steatohepatitis (NASH). However, the underlying mechanism(s) of lactate accumulation and the role of lactate in the progression of non-alcoholic fatty liver disease (NAFLD) are essentially unknown. METHODS We compared the acetylome in liver samples taken from healthy individuals, patients with simple steatosis and patients with NASH to identify potential targets of acetylation with a role in lactate metabolism. Interactions between the acetylated target and acetyltransferases were measured in multiple cell lines. An acetyltransferase inhibitor was injected into high-fat diet (HFD)-fed mice to determine the role of lactate on NAFLD progression in vivo. RESULTS Hyperacetylation of lactate dehydrogenase B (LDHB) was found to be associated with lactate accumulation in NAFL and NASH livers in humans and mice. P300/CBP-associated factor (PCAF)-mediated acetylation of LDHB K82 was found to significantly decrease LDHB activity and impair hepatic lactate clearance, resulting in lactate accumulation. Acetylated LDHB induced lactate accumulation which exacerbated lipid deposition and inflammatory responses by activating histone hyperacetylation in HFD-induced NASH. The administration of embelin, a PCAF inhibitor, and the generation of an acetylation-deficient mutant of LDHB ameliorated NASH. CONCLUSION PCAF-dependent LDHB acetylation plays a key role in hepatic lipid accumulation and inflammatory responses by impairing lactate clearance; this process might be a potential therapeutic target for the treatment of NASH. LAY SUMMARY Lactate is known to accumulate in the livers of patients during the progression of non-alcoholic fatty liver disease (NAFLD); however, the underlying mechanism(s) of this accumulation and its importance in disease progression are unknown. Herein, we show that the acetylation of an enzyme involved in lactate metabolism leads to impaired lactate clearance and exacerbates NAFLD progression.
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Affiliation(s)
- Tongxin Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Kai Chen
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Weilei Yao
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Ruilong Zheng
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University & Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Qiongyu He
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Jun Xia
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Juan Li
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Yafei Shao
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Li Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Lu Huang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Longshan Qin
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Mingming Xu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Zheng Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Dingyu Pan
- Department of hepatobiliary and pancreatic Surgery, Zhongnan Hospital of Wuhan University, Donghu Road 169, Wuhan, 430071, China
| | - Zhen Li
- Department of hepatobiliary and pancreatic Surgery, Zhongnan Hospital of Wuhan University, Donghu Road 169, Wuhan, 430071, China
| | - Feiruo Huang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China; Key laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, China.
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Scapaticci S, D’Adamo E, Mohn A, Chiarelli F, Giannini C. Non-Alcoholic Fatty Liver Disease in Obese Youth With Insulin Resistance and Type 2 Diabetes. Front Endocrinol (Lausanne) 2021; 12:639548. [PMID: 33889132 PMCID: PMC8056131 DOI: 10.3389/fendo.2021.639548] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/28/2021] [Indexed: 02/06/2023] Open
Abstract
Currently, Non-Alcoholic Fatty Liver Disease (NAFLD) is the most prevalent form of chronic liver disease in children and adolescents worldwide. Simultaneously to the epidemic spreading of childhood obesity, the rate of affected young has dramatically increased in the last decades with an estimated prevalence of NAFLD of 3%-10% in pediatric subjects in the world. The continuous improvement in NAFLD knowledge has significantly defined several risk factors associated to the natural history of this complex liver alteration. Among them, Insulin Resistance (IR) is certainly one of the main features. As well, not surprisingly, abnormal glucose tolerance (prediabetes and diabetes) is highly prevalent among children/adolescents with biopsy-proven NAFLD. In addition, other factors such as genetic, ethnicity, gender, age, puberty and lifestyle might affect the development and progression of hepatic alterations. However, available data are still lacking to confirm whether IR is a risk factor or a consequence of hepatic steatosis. There is also evidence that NAFLD is the hepatic manifestation of Metabolic Syndrome (MetS). In fact, NAFLD often coexist with central obesity, impaired glucose tolerance, dyslipidemia, and hypertension, which represent the main features of MetS. In this Review, main aspects of the natural history and risk factors of the disease are summarized in children and adolescents. In addition, the most relevant scientific evidence about the association between NAFLD and metabolic dysregulation, focusing on clinical, pathogenetic, and histological implication will be provided with some focuses on the main treatment options.
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Affiliation(s)
| | | | | | | | - Cosimo Giannini
- Department of Pediatrics, University of Chieti, Chieti, Italy
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Deenin W, Malakul W, Boonsong T, Phoungpetchara I, Tunsophon S. Papaya improves non-alcoholic fatty liver disease in obese rats by attenuating oxidative stress, inflammation and lipogenic gene expression. World J Hepatol 2021; 13:315-327. [PMID: 33815675 PMCID: PMC8006076 DOI: 10.4254/wjh.v13.i3.315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/30/2020] [Accepted: 02/12/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a global health issue that is correlated with obesity and oxidative stress.
AIM To evaluate the anti-NAFLD effect of papaya in high fat diet induced obesity in rats.
METHODS Four-week-old male Sprague-Dawley rats were divided into four groups after 1 wk of acclimatization: Group 1 was the rats fed a normal diet (C); group 2 was the rats fed a high fat diet (HFD); group 3 was the rats fed a HFD with 0.5 mL of papaya juice/100 g body weight (HFL), and group 4 was the rats fed a HFD with 1 mL of papaya juice/100 g body weight (HFH) for 12 wk. At the end of the treatment, blood and tissue samples were collected for biochemical analyses and histological assessment.
RESULTS The results of the HFH group showed significantly reduced body weight (HFH vs HFD, P < 0.01), decreased NAFLD score (HFH vs HFD, P < 0.05), and reduced hepatic total cholesterol (HFL vs HFD, P < 0.01; HFH vs HFD, P < 0.001), hepatic triglyceride (HFH vs HFD, P < 0.05), malondialdehyde (HFL, HFH vs HFD, P < 0.001), tumour necrosis factor-α (HFH vs HFD, P < 0.05) and interleukin-6 (HFH vs HFD, P < 0.05) when compared to the HFD group. However, the liver weight showed no significant difference among the groups. The activities of catalase and superoxide dismutase significantly increased in HFH when compared with the HFD group (P < 0.05 and P < 0.001, respectively). The suppression of transcriptional factors of hepatic lipogenesis, including sterol regulatory element-binding protein 1c and fatty acid synthase, were observed in the papaya treated group (HFH vs HFD, P < 0.05). These beneficial effects of papaya against HFD-induced NAFLD are through lowering hepatic lipid accumulation, suppressing the lipogenic pathway, improving the balance of antioxidant status, and lowering systemic inflammation.
CONCLUSION These current results provide experimental-based evidence suggesting papaya is an efficacious medicinal fruit for use in the prevention or treatment of NAFLD.
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Affiliation(s)
- Wanwisa Deenin
- Department of Physiology, Faculty of Medical Science, Naresuan University, Muang 65000, Phitsanulok, Thailand
| | - Wachirawadee Malakul
- Department of Physiology, Faculty of Medical Science, Naresuan University, Muang 65000, Phitsanulok, Thailand
| | - Tantip Boonsong
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Muang 65000, Phitsanulok, Thailand
| | - Ittipon Phoungpetchara
- Department of Anatomy, Faculty of Medical Science, Naresuan University, Muang 65000, Phitsanulok, Thailand
| | - Sakara Tunsophon
- Department of Physiology, Faculty of Medical Science, Naresuan University, Muang 65000, Phitsanulok, Thailand
- Centre of Excellence for Innovation in Chemistry, Naresuan University, Muang 65000, Phitsanulok, Thailand
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Takakusagi S, Yokoyama Y, Kizawa K, Marubashi K, Kosone T, Sato K, Kakizaki S, Harada K, Takagi H, Uraoka T. Successfully Treated Case of Cholangiolocellular Carcinoma with a Poor Hepatic Functional Reserve Reporting with Various Imaging Findings. Intern Med 2021; 60:873-881. [PMID: 33055484 PMCID: PMC8024949 DOI: 10.2169/internalmedicine.5891-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cholangiolocellular carcinoma (CoCC) is a rare primary liver cancer that is difficult diagnose due to a lack of specific imaging findings. We herein report a case of CoCC accompanied by severe alcoholic cirrhosis. Dynamic computed tomography showed a low-density tumor with a faint surrounding enhancement. Gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging revealed iso-intensity in the hepatobiliary phase and a maximum tumor diameter of 53 mm. 18F-fluoro-2-deoxyglucose position-emission tomography was moderately positive (maximum standardized uptake value: 4.3). CoCC was diagnosed based on the pathological findings, including immunohistochemistry. We discuss the diagnostic imaging findings and review previous reports.
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Affiliation(s)
| | - Yozo Yokoyama
- Department of Gastroenterology and Hepatology, Kusunoki Hospital, Japan
| | - Kazuko Kizawa
- Department of Gastroenterology and Hepatology, Kusunoki Hospital, Japan
| | - Kyoko Marubashi
- Department of Gastroenterology and Hepatology, Kusunoki Hospital, Japan
| | - Takashi Kosone
- Department of Gastroenterology and Hepatology, Kusunoki Hospital, Japan
| | - Ken Sato
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
| | - Satoru Kakizaki
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
- Department of Clinical Research, National Hospital Organization Takasaki General Medical Center, Japan
| | - Kenichi Harada
- Department of Human Pathology, Kanazawa University Graduate School of Medicine, Japan
| | - Hitoshi Takagi
- Department of Gastroenterology and Hepatology, Kusunoki Hospital, Japan
| | - Toshio Uraoka
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Japan
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38
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Peretinoin, an Acyclic Retinoid, for the Secondary Prevention of Hepatocellular Carcinoma. Molecules 2021; 26:molecules26020295. [PMID: 33435572 PMCID: PMC7827668 DOI: 10.3390/molecules26020295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/06/2021] [Accepted: 01/06/2021] [Indexed: 01/01/2023] Open
Abstract
The high rates of hepatocellular carcinoma (HCC) recurrence after initially successful curative therapy emphasize ongoing unmet needs to prevent or reduce HCC recurrence. Retinoid acid (RA), a metabolite of vitamin A and its related analogues (termed retinoids) has been suggested as a promising chemotherapeutic agent in cancer treatment. The synthetic oral retinoid peretinoin is the only agent for the secondary chemoprevention of HCC after curative therapy that is currently well applied into clinical development. Here we present an updated summary of the molecular pathogenesis of HCC and of preclinical and clinical findings with peretinoin, including its clinical characteristics, safety and tolerability profile and future perspectives for clinical use.
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Fernández‐Varo G, Perramón M, Carvajal S, Oró D, Casals E, Boix L, Oller L, Macías‐Muñoz L, Marfà S, Casals G, Morales‐Ruiz M, Casado P, Cutillas PR, Bruix J, Navasa M, Fuster J, Garcia‐Valdecasas JC, Pavel MC, Puntes V, Jiménez W. Bespoken Nanoceria: An Effective Treatment in Experimental Hepatocellular Carcinoma. Hepatology 2020; 72:1267-1282. [PMID: 31961955 PMCID: PMC7702051 DOI: 10.1002/hep.31139] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/20/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND AIMS Despite the availability of new-generation drugs, hepatocellular carcinoma (HCC) is still the third most frequent cause of cancer-related deaths worldwide. Cerium oxide nanoparticles (CeO2 NPs) have emerged as an antioxidant agent in experimental liver disease because of their antioxidant, anti-inflammatory, and antisteatotic properties. In the present study, we aimed to elucidate the potential of CeO2 NPs as therapeutic agents in HCC. APPROACH AND RESULTS HCC was induced in 110 Wistar rats by intraperitoneal administration of diethylnitrosamine for 16 weeks. Animals were treated with vehicle or CeO2 NPs at weeks 16 and 17. At the eighteenth week, nanoceria biodistribution was assessed by mass spectrometry (MS). The effect of CeO2 NPs on tumor progression and animal survival was investigated. Hepatic tissue MS-based phosphoproteomics as well as analysis of principal lipid components were performed. The intracellular uptake of CeO2 NPs by human ex vivo perfused livers and human hepatocytes was analyzed. Nanoceria was mainly accumulated in the liver, where it reduced macrophage infiltration and inflammatory gene expression. Nanoceria treatment increased liver apoptotic activity, while proliferation was attenuated. Phosphoproteomic analysis revealed that CeO2 NPs affected the phosphorylation of proteins mainly related to cell adhesion and RNA splicing. CeO2 NPs decreased phosphatidylcholine-derived arachidonic acid and reverted the HCC-induced increase of linoleic acid in several lipid components. Furthermore, CeO2 NPs reduced serum alpha-protein levels and improved the survival of HCC rats. Nanoceria uptake by ex vivo perfused human livers and in vitro human hepatocytes was also demonstrated. CONCLUSIONS These data indicate that CeO2 NPs partially revert the cellular mechanisms involved in tumor progression and significantly increase survival in HCC rats, suggesting that they could be effective in patients with HCC.
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Affiliation(s)
- Guillermo Fernández‐Varo
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Departament of BiomedicineUniversity of BarcelonaBarcelonaSpain
| | - Meritxell Perramón
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Silvia Carvajal
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Denise Oró
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Eudald Casals
- School of Biotechnology and Health SciencesWuyi UniversityJiangmenChina
| | - Loreto Boix
- Barcelona‐Clinic Liver Cancer Group, Liver UnitHospital Clinic de Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Laura Oller
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Laura Macías‐Muñoz
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Santi Marfà
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Gregori Casals
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Working Group for the Biochemical Assessment of Hepatic Disease‐SEQCBarcelonaSpain
| | - Manuel Morales‐Ruiz
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Departament of BiomedicineUniversity of BarcelonaBarcelonaSpain,Working Group for the Biochemical Assessment of Hepatic Disease‐SEQCBarcelonaSpain
| | - Pedro Casado
- Centre for Haemato‐OncologyBarts Cancer Institute, Queen Mary University of LondonLondonUK
| | - Pedro R. Cutillas
- Centre for Haemato‐OncologyBarts Cancer Institute, Queen Mary University of LondonLondonUK
| | - Jordi Bruix
- Barcelona‐Clinic Liver Cancer Group, Liver UnitHospital Clinic de Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Miquel Navasa
- Liver Surgery and Transplant UnitDigestive and Metabolic Diseases Institute, Hospital Clínic of Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Josep Fuster
- Liver Surgery and Transplant UnitDigestive and Metabolic Diseases Institute, Hospital Clínic of Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Juan Carlos Garcia‐Valdecasas
- Liver Surgery and Transplant UnitDigestive and Metabolic Diseases Institute, Hospital Clínic of Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Mihai C. Pavel
- Liver Surgery and Transplant UnitDigestive and Metabolic Diseases Institute, Hospital Clínic of Barcelona, CIBERehd, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Víctor Puntes
- Institut Català de Recerca i Estudis Avançats (ICREA)BarcelonaSpain,Institut Català de Nanociència i Nanotecnologia (ICN2)BellaterraSpain,Vall d’Hebron Institute of Research (VHIR)BarcelonaSpain
| | - Wladimiro Jiménez
- Service of Biochemistry and Molecular GeneticsHospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Departament of BiomedicineUniversity of BarcelonaBarcelonaSpain
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So J, Kim A, Lee SH, Shin D. Liver progenitor cell-driven liver regeneration. Exp Mol Med 2020; 52:1230-1238. [PMID: 32796957 PMCID: PMC8080804 DOI: 10.1038/s12276-020-0483-0] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 06/08/2020] [Accepted: 06/17/2020] [Indexed: 12/28/2022] Open
Abstract
The liver is a highly regenerative organ, but its regenerative capacity is compromised in severe liver diseases. Hepatocyte-driven liver regeneration that involves the proliferation of preexisting hepatocytes is a primary regeneration mode. On the other hand, liver progenitor cell (LPC)-driven liver regeneration that involves dedifferentiation of biliary epithelial cells or hepatocytes into LPCs, LPC proliferation, and subsequent differentiation of LPCs into hepatocytes is a secondary mode. This secondary mode plays a significant role in liver regeneration when the primary mode does not effectively work, as observed in severe liver injury settings. Thus, promoting LPC-driven liver regeneration may be clinically beneficial to patients with severe liver diseases. In this review, we describe the current understanding of LPC-driven liver regeneration by exploring current knowledge on the activation, origin, and roles of LPCs during regeneration. We also describe animal models used to study LPC-driven liver regeneration, given their potential to further deepen our understanding of the regeneration process. This understanding will eventually contribute to developing strategies to promote LPC-driven liver regeneration in patients with severe liver diseases.
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Affiliation(s)
- Juhoon So
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
| | - Angie Kim
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Seung-Hoon Lee
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Donghun Shin
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
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41
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Zhuo JY, Lu D, Tan WY, Zheng SS, Shen YQ, Xu X. CK19-positive Hepatocellular Carcinoma is a Characteristic Subtype. J Cancer 2020; 11:5069-5077. [PMID: 32742454 PMCID: PMC7378918 DOI: 10.7150/jca.44697] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 06/13/2020] [Indexed: 12/12/2022] Open
Abstract
The heterogeneity of hepatocellular carcinoma (HCC) commonly leads to therapeutic failure of HCC. Cytokeratin 19 (CK19) is well acknowledged as a biliary/progenitor cell marker and a marker of tumor stem cell. CK19-positive HCCs demonstrate aggressive behaviors and poor outcomes which including worse overall survival and early tumor recurrence after hepatectomy and liver transplantation. CK19-positive HCCs are resistant to chemotherapies as well as local treatment. This subset of HCC is thought to derive from liver progenitor cells and can be induced by extracellular stimulation such as hypoxia. Besides being a stemness marker, CK19 plays an important role in promoting malignant property of HCC. The regulatory network associated with CK19 expression has been summarized that extracellular stimulations which transmit into cytoplasm through signal transduction pathways (TGF-β, MAKP/JNK and MEK-ERK1/2), further induce important nuclear transcriptional factors (SALL4, AP1, SP1) to activate CK19 promoter. Novel noncoding RNAs are also involved in the regulation of CK19 expression. TGFβR1 becomes a therapeutic target for CK19-positive HCC. In conclusion, CK19 can be a potential biomarker for predicting poor prognosis after surgical and adjuvant therapies. CK19-pisitive HCCs exhibit distinctive molecular profiling, should be diagnosed and treated as a separate subtype of HCCs.
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Affiliation(s)
- Jian-Yong Zhuo
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang Province, China.,NHC Key Laboratory of Combined Multi-organ Transplantation, Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, CAMS, Hangzhou, 310003, Zhejiang Province, China
| | - Di Lu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang Province, China.,NHC Key Laboratory of Combined Multi-organ Transplantation, Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, CAMS, Hangzhou, 310003, Zhejiang Province, China
| | - Win-Yen Tan
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang Province, China.,NHC Key Laboratory of Combined Multi-organ Transplantation, Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, CAMS, Hangzhou, 310003, Zhejiang Province, China
| | - Shu-Sen Zheng
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang Province, China.,NHC Key Laboratory of Combined Multi-organ Transplantation, Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, CAMS, Hangzhou, 310003, Zhejiang Province, China.,Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital, Hangzhou, 310003, Zhejiang Province, China
| | - You-Qing Shen
- Center for Bionanoengineering and Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310003, Zhejiang Province, China
| | - Xiao Xu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang Province, China.,NHC Key Laboratory of Combined Multi-organ Transplantation, Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, CAMS, Hangzhou, 310003, Zhejiang Province, China
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42
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Lu K, Wang J, Yu Y, Wu Y, He Z. Lycium ruthenicum Murr. alleviates nonalcoholic fatty liver in mice. Food Sci Nutr 2020; 8:2588-2597. [PMID: 32566176 PMCID: PMC7300084 DOI: 10.1002/fsn3.1445] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 12/19/2019] [Accepted: 01/10/2020] [Indexed: 12/15/2022] Open
Abstract
Oxidative stress and inflammation contribute to hypertriglyceridemia-induced nonalcoholic fatty liver disease (NAFLD). Cholesterol-enriched diets increase the risk of NAFLD. Lycium ruthenium Murr. (LRM) contains water-soluble antioxidant proanthocyanidins. Whether Lycium ruthenium Murr. improves NAFLD remains elusive. In this study, we established a model of NAFLD-induced by cholesterol-enriched high-fat diet (western diet) in ApoE -/- mice; oxidative stress and inflammation were examined and intervened by supplement of Lycium ruthenium Murr. (LRM) extracts. LRM supplement did not influence body weight gain, food intake, and lipotoxicity of mice. LRM supplement significantly alleviated triglyceride accumulation in liver, with reduced inflammation, elevated GSH-Px activity, and reduced MDA levels. The expression of fatty acids oxidative gene Scd1 was significantly increased, and fatty acids synthesis-related gene Pparγ was dramatically downregulated on mRNA level in liver of mice with LRM supplement. These data demonstrated that LRM supplement decreased ROS production and inflammation, increased fatty acids oxidation, and reduced fatty acids synthesis in liver, leading to ameliorate the development of NAFLD induced by high western diet. Thus, oxidative stress and inflammation also are involved in the pathogenesis of western diet-induced NAFLD, which is independent of obesity.
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Affiliation(s)
- Keke Lu
- Shandong Provincial Hospital and School of MedicineShandong UniversityJinanChina
| | - Jing Wang
- Shandong Provincial Hospital and School of MedicineShandong UniversityJinanChina
| | - Yueyuan Yu
- State Key Laboratory of Food Science and TechnologySchool of Food Science and TechnologyJiangnan UniversityWuxiChina
| | - Yikuan Wu
- State Key Laboratory of Food Science and TechnologySchool of Food Science and TechnologyJiangnan UniversityWuxiChina
| | - Zhao He
- Shandong Provincial Hospital and School of MedicineShandong UniversityJinanChina
- State Key Laboratory of Food Science and TechnologySchool of Food Science and TechnologyJiangnan UniversityWuxiChina
- Shandong Key Laboratory of Endocrinology and Lipid MetabolismShandong Provincial HospitalJinanChina
- Institute of Endocrinology and metabolismShandong Academy of Clinical MedicineJinanChina
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43
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Li W, Li L, Hui L. Cell Plasticity in Liver Regeneration. Trends Cell Biol 2020; 30:329-338. [PMID: 32200807 DOI: 10.1016/j.tcb.2020.01.007] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/15/2020] [Accepted: 01/17/2020] [Indexed: 12/13/2022]
Abstract
The liver, whose major functional cell type is the hepatocyte, is a peculiar organ with remarkable regenerative capacity. The widely held notion that hepatic progenitor cells contribute to injury-induced liver regeneration has long been debated. However, multiple lines of evidence suggest that the plasticity of differentiated cells is a major mechanism for the cell source in injury-induced liver regeneration. Investigating cell plasticity could potentially expand our understanding of liver physiology and facilitate the development of new therapies for liver diseases. In this review, we summarize the cell sources for hepatocyte regeneration and the clinical relevance of cell plasticity for human liver diseases. We focus on mechanistic insights on the injury-induced cell plasticity of hepatocytes and biliary epithelial cells and discuss future directions for investigation. Specifically, we propose the notion of 'reprogramming competence' to explain the plasticity of differentiated hepatocytes.
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Affiliation(s)
- Weiping Li
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Lu Li
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China; Bio-Research Innovation Center, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Suzhou 215121, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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44
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Bangru S, Kalsotra A. Cellular and molecular basis of liver regeneration. Semin Cell Dev Biol 2020; 100:74-87. [PMID: 31980376 DOI: 10.1016/j.semcdb.2019.12.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/29/2019] [Accepted: 12/03/2019] [Indexed: 12/13/2022]
Abstract
Recent advances in genetics and genomics have reinvigorated the field of liver regeneration. It is now possible to combine lineage-tracing with genome-wide studies to genetically mark individual liver cells and their progenies and detect precise changes in their genome, transcriptome, and proteome under normal versus regenerative settings. The recent use of single-cell RNA sequencing methodologies in model organisms has, in some ways, transformed our understanding of the cellular and molecular biology of liver regeneration. Here, we review the latest strides in our knowledge of general principles that coordinate regeneration of the liver and reflect on some conflicting evidence and controversies surrounding this topic. We consider the prominent mechanisms that stimulate homeostasis-related vis-à-vis injury-driven regenerative responses, highlight the likely cellular sources/depots that reconstitute the liver following various injuries and discuss the extrinsic and intrinsic signals that direct liver cells to proliferate, de-differentiate, or trans-differentiate while the tissue recovers from acute or chronic damage.
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Affiliation(s)
- Sushant Bangru
- Departments of Biochemistry and Pathology, University of Illinois, Urbana-Champaign, IL, USA; Cancer Center@ Illinois, University of Illinois, Urbana-Champaign, IL, USA
| | - Auinash Kalsotra
- Departments of Biochemistry and Pathology, University of Illinois, Urbana-Champaign, IL, USA; Cancer Center@ Illinois, University of Illinois, Urbana-Champaign, IL, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois, Urbana-Champaign, IL, USA.
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45
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Viswanathan P, Sharma Y, Maisuradze L, Tchaikovskaya T, Gupta S. Ataxia telangiectasia mutated pathway disruption affects hepatic DNA and tissue damage in nonalcoholic fatty liver disease. Exp Mol Pathol 2020; 113:104369. [PMID: 31917286 DOI: 10.1016/j.yexmp.2020.104369] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 11/27/2019] [Accepted: 01/03/2020] [Indexed: 12/26/2022]
Abstract
To overcome the rising burdens of nonalcoholic fatty liver disease, mechanistic linkages in mitochondrial dysfunction, inflammation and hepatic injury are critical. As ataxia telangiectasia mutated (ATM) gene oversees DNA integrity and mitochondrial homeostasis, we analyzed mRNAs and total proteins or phosphoproteins related to ATM gene by arrays in subjects with healthy liver, fatty liver or nonalcoholic steatohepatitis. Functional genomics approaches were used to query DNA damage or cell growth events. The effects of fatty acid-induced toxicity in mitochondrial health, DNA integrity and cell proliferation were validated in HuH-7 cells, including by inhibiting ATM kinase activity or knckdown of its mRNA. In fatty livers, DNA damage and ATM pathway activation was observed. During induced steatosis in HuH-7 cells, lowering of ATM activity produced mitochondrial dysregulation, DNA damage and cell growth inhibition. In livers undergoing steatohepatitis, ATM was depleted with increased hepatic DNA damage and growth-arrest due to cell cycle checkpoint activations. Moreover, molecular signatures of oncogenesis were associated with upstream mechanistic networks directing cell metabolism, inflammation or growth that were either activated (in fatty liver) or inactivated (in steatohepatitis). To compensate for hepatic growth arrest, preoncogenic oval cell populations expressing connexin-43 and/or albumin emerged. These oval cells avoided DNA damage and proliferated actively. We concluded that ATM is a major contributor to the onset and progression of nonalcoholic fatty liver disease. Therefore, specific markers for ATM pathway dysregulation will allow prospective segregation of cohorts for disease susceptibility and progression from steatosis to steatohepatitis. This will offer superior design and evaluation parameters for clinical trials. Restoration of ATM activity with targeted therapies should be appropriate for nonalcoholic fatty liver disease.
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Affiliation(s)
- Preeti Viswanathan
- Department of Pediatrics, Albert Einstein College of Medicine and Children's Hospital at Montefiore, Bronx, NY, United States
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Luka Maisuradze
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Tatyana Tchaikovskaya
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States; Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, United States; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, United States; Diabetes Center, Albert Einstein College of Medicine, Bronx, NY, United States; Irwin S. and Sylvia Chanin Institute for Cancer Research, and Albert Einstein College of Medicine, Bronx, NY, United States; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, United States.
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46
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Siddiqui H, Rawal P, Bihari C, Arora N, Kaur S. Vascular Endothelial Growth Factor Promotes Proliferation of Epithelial Cell Adhesion Molecule-Positive Cells in Nonalcoholic Steatohepatitis. J Clin Exp Hepatol 2020; 10:275-283. [PMID: 32655229 PMCID: PMC7335719 DOI: 10.1016/j.jceh.2019.11.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 11/28/2019] [Indexed: 12/12/2022] Open
Abstract
AIM An impaired hepatocyte proliferation during severe liver injury causes the proliferation of hepatic progenitor cells (HPCs), also called as the ductular reaction (DR). In the present study, we studied the role of key angiogenic factors in HPC-mediated DR in nonalcoholic steatohepatitis (NASH). METHODS Liver biopsies from patients with NASH (n = 14) were included in the study. Patients with NASH were divided in two groups, early and late fibrosis (based on fibrosis staging). Biopsies were used to analyze the gene expression by quantitative real-time polymerase chain reaction and immunohistochemical (IHC) staining for two markers of DR, viz, CK19 and epithelial cell adhesion molecule (EpCAM). Cocultures were performed between steatotic human umbilical vein endothelial cells (HUVECs) and LX2 and Huh7 cells. Enzyme-linked immunosorbent assays were performed to measure levels of vascular endothelial growth factor (VEGF) in coculture studies. Next, Huh7 cells were treated with VEGF, and proliferation was investigated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium (MTT) assays. The number of EpCAM-positive cells was analyzed by flow cytometry. RESULTS Of all the angiogenic factors, the gene expression of VEGF and angiopoietin 2 (Ang2) was significantly different between patients with NASH in the early and late fibrosis groups (P < 0.05 for both). Both VEGF and Ang2 also correlated significantly with the IHC scores of CK19 and EpCAM in the study group. In the in vitro studies, VEGF levels were significantly increased when Huh7 cells were cocultured with steatotic HUVECs and LX2 cells. The proliferation and percentage of EpCAM-positive cells was increased when Huh7 cells were treated with VEGF. CONCLUSION Our study indicates an important contribution of VEGF toward the activation of HPC-mediated regeneration and DR in NASH.
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Key Words
- Ang2, angiopoietin 2
- BSA, bovine serum albumin
- CM, conditioned medium
- DMEM, Dulbecco's Modified Eagle medium
- DR, ductular reaction
- ELISA, enzyme-linked immunosorbent assay
- EpCAM, epithelial cell adhesion molecule
- FBS, fetal bovine serum
- H&E, hematoxylin and eosin
- HPC, hepatic progenitor cell
- HSC, hepatic stellate cell
- HUVEC, human umbilical vein endothelial cell
- IHC, immunohistochemical
- MT, Masson trichrome
- NAFLD, nonalcoholic fatty liver disease
- NASH, nonalcoholic steatohepatitis
- PCR, polymerase chain reaction
- VEGF, vascular endothelial growth factor
- angiogenesis
- ductular reaction
- hepatic progenitor cells
- nonalcoholic steatohepatitis
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Affiliation(s)
- Hamda Siddiqui
- Institute of Liver and Biliary Sciences, New Delhi, India,Gautam Buddha University, Greater Noida, Uttar Pradesh, India
| | - Preety Rawal
- Gautam Buddha University, Greater Noida, Uttar Pradesh, India
| | - Chaggan Bihari
- Institute of Liver and Biliary Sciences, New Delhi, India
| | - Naveen Arora
- Institute of Liver and Biliary Sciences, New Delhi, India
| | - Savneet Kaur
- Institute of Liver and Biliary Sciences, New Delhi, India,Address for correspondence. Dr Savneet Kaur, Institute of liver and biliary sciences, New Delhi, India.
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Ahmad MI, Ijaz MU, Haq IU, Li C. The Role of Meat Protein in Generation of Oxidative Stress and Pathophysiology of Metabolic Syndromes. Food Sci Anim Resour 2020; 40:1-10. [PMID: 31970326 PMCID: PMC6957445 DOI: 10.5851/kosfa.2019.e96] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 12/06/2019] [Accepted: 12/07/2019] [Indexed: 12/22/2022] Open
Abstract
Various processing methods have a great impact on the physiochemical and nutritional properties of meat that are of health concern. Hence, the postmortem processing of meat by different methods is likely to intensify the potential effects on protein oxidation. The influence of meat protein oxidation on the modulation of the systemic redox status and underlying mechanism is well known. However, the effects of processed meat proteins isolated from different sources on gut microbiota, oxidative stress biomarkers, and metabolomic markers associated with metabolic syndromes are of growing interest. The application of advanced methodological approaches based on OMICS, and mass spectrometric technologies has enabled to better understand the molecular basis of the effect of processed meat oxidation on human health and the aging process. Animal studies indicate the involvement of dietary proteins isolated from different sources on health disorders, which emphasizes the impact of processed meat protein on the richness of bacterial taxa such as (Mucispirillum, Oscillibacter), accompanied by increased expression of lipogenic genes. This review explores the most recent evidences on meat processing techniques, meat protein oxidation, underlying mechanisms, and their potential effects on nutritional value, gut microbiota composition and possible implications on human health.
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Affiliation(s)
- Muhammad Ijaz Ahmad
- Key Laboratory of Meat Processing and
Quality Control, MOE, Nanjing Agricultural University,
210095, Nanjing, China
- Key Laboratory of Meat Processing, MARA,
Nanjing Agricultural University, 210095, Nanjing,
China
- Jiangsu Collaborative Innovation Center of
Meat Production and Processing, Quality and Safety Control, Nanjing
Agricultural University, 210095, Nanjing,
China
- College of Food Science and Technology,
Nanjing Agricultural University, 210095, Nanjing,
China
| | - Muhammad Umair Ijaz
- Key Laboratory of Meat Processing and
Quality Control, MOE, Nanjing Agricultural University,
210095, Nanjing, China
- Key Laboratory of Meat Processing, MARA,
Nanjing Agricultural University, 210095, Nanjing,
China
- Jiangsu Collaborative Innovation Center of
Meat Production and Processing, Quality and Safety Control, Nanjing
Agricultural University, 210095, Nanjing,
China
- College of Food Science and Technology,
Nanjing Agricultural University, 210095, Nanjing,
China
| | - Ijaz ul Haq
- Key Laboratory of Meat Processing and
Quality Control, MOE, Nanjing Agricultural University,
210095, Nanjing, China
- Key Laboratory of Meat Processing, MARA,
Nanjing Agricultural University, 210095, Nanjing,
China
- Jiangsu Collaborative Innovation Center of
Meat Production and Processing, Quality and Safety Control, Nanjing
Agricultural University, 210095, Nanjing,
China
- College of Food Science and Technology,
Nanjing Agricultural University, 210095, Nanjing,
China
| | - Chunbao Li
- Key Laboratory of Meat Processing and
Quality Control, MOE, Nanjing Agricultural University,
210095, Nanjing, China
- Key Laboratory of Meat Processing, MARA,
Nanjing Agricultural University, 210095, Nanjing,
China
- Jiangsu Collaborative Innovation Center of
Meat Production and Processing, Quality and Safety Control, Nanjing
Agricultural University, 210095, Nanjing,
China
- College of Food Science and Technology,
Nanjing Agricultural University, 210095, Nanjing,
China
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48
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Bellanti F, Pannone G, Tartaglia N, Serviddio G. Redox Control of the Immune Response in the Hepatic Progenitor Cell Niche. Front Cell Dev Biol 2020; 8:295. [PMID: 32435643 PMCID: PMC7218163 DOI: 10.3389/fcell.2020.00295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/06/2020] [Indexed: 02/05/2023] Open
Abstract
The liver commonly self-regenerates by a proliferation of mature cell types. Nevertheless, in case of severe or protracted damage, the organ renewal is mediated by the hepatic progenitor cells (HPCs), adult progenitors capable of differentiating toward the biliary and the hepatocyte lineages. This regeneration process is determined by the formation of a stereotypical niche surrounding the emerging progenitors. The organization of the HPC niche microenvironment is crucial to drive biliary or hepatocyte regeneration. Furthermore, this is the site of a complex immunological activity mediated by several immune and non-immune cells. Indeed, several cytokines produced by monocytes, macrophages and T-lymphocytes may promote the activation of HPCs in the niche. On the other side, HPCs may produce pro-inflammatory cytokines induced by liver inflammation. The inflamed liver is characterized by high generation of reactive oxygen and nitrogen species, which in turn lead to the oxidation of macromolecules and the alteration of signaling pathways. Reactive species and redox signaling are involved in both the immunological and the adult stem cell regeneration processes. It is then conceivable that redox balance may finely regulate the immune response in the HPC niche, modulating the regeneration process and the immune activity of HPCs. In this perspective article, we summarize the current knowledge on the role of reactive species in the regulation of hepatic immunity, suggesting future research directions for the study of redox signaling on the immunomodulatory properties of HPCs.
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Affiliation(s)
- Francesco Bellanti
- Center for Experimental and Regenerative Medicine, Institute of Internal Medicine, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
- *Correspondence: Francesco Bellanti,
| | - Giuseppe Pannone
- Institute of Anatomical Pathology, Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Nicola Tartaglia
- Institute of General Surgery, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Gaetano Serviddio
- Center for Experimental and Regenerative Medicine, Institute of Internal Medicine, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
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49
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Nevi L, Costantini D, Safarikia S, Di Matteo S, Melandro F, Berloco PB, Cardinale V. Cholest-4,6-Dien-3-One Promote Epithelial-To-Mesenchymal Transition (EMT) in Biliary Tree Stem/Progenitor Cell Cultures In Vitro. Cells 2019; 8:cells8111443. [PMID: 31731674 PMCID: PMC6912632 DOI: 10.3390/cells8111443] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/31/2019] [Accepted: 11/11/2019] [Indexed: 12/12/2022] Open
Abstract
Human biliary tree stem/progenitor cells (hBTSCs), reside in peribiliary glands, are mainly stimulated by primary sclerosing cholangitis (PSC) and cholangiocarcinoma. In these pathologies, hBTSCs displayed epithelial-to-mesenchymal transition (EMT), senescence characteristics, and impaired differentiation. Here, we investigated the effects of cholest-4,6-dien-3-one, an oxysterol involved in cholangiopathies, on hBTSCs biology. hBTSCs were isolated from donor organs, cultured in self-renewal control conditions, differentiated in mature cholangiocytes by specifically tailored medium, or exposed for 10 days to concentration of cholest-4,6-dien-3-one (0.14 mM). Viability, proliferation, senescence, EMT genes expression, telomerase activity, interleukin 6 (IL6) secretion, differentiation capacity, and HDAC6 gene expression were analyzed. Although the effect of cholest-4,6-dien-3-one was not detected on hBTSCs viability, we found a significant increase in cell proliferation, senescence, and IL6 secretion. Interestingly, cholest-4.6-dien-3-one impaired differentiation in mature cholangiocytes and, simultaneously, induced the EMT markers, significantly reduced the telomerase activity, and induced HDAC6 gene expression. Moreover, cholest-4,6-dien-3-one enhanced bone morphogenic protein 4 (Bmp-4) and sonic hedgehog (Shh) pathways in hBTSCs. The same pathways activated by human recombinant proteins induced the expression of EMT markers in hBTSCs. In conclusion, we demonstrated that chronic exposition of cholest-4,6-dien-3-one induced cell proliferation, EMT markers, and senescence in hBTSC, and also impaired the differentiation in mature cholangiocytes.
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Affiliation(s)
- Lorenzo Nevi
- Department of Translation and Precision Medicine, “Sapienza” University of Rome, 00185 Rome, Italy; (D.C.); (S.S.); (S.D.M.)
- Correspondence: (L.N.); (V.C.); Tel.: +39-3392335294 (L.N.); +39-3495601492 (V.C.)
| | - Daniele Costantini
- Department of Translation and Precision Medicine, “Sapienza” University of Rome, 00185 Rome, Italy; (D.C.); (S.S.); (S.D.M.)
| | - Samira Safarikia
- Department of Translation and Precision Medicine, “Sapienza” University of Rome, 00185 Rome, Italy; (D.C.); (S.S.); (S.D.M.)
| | - Sabina Di Matteo
- Department of Translation and Precision Medicine, “Sapienza” University of Rome, 00185 Rome, Italy; (D.C.); (S.S.); (S.D.M.)
| | - Fabio Melandro
- Department of General Surgery and Organ Transplantation, Sapienza University of Rome, 0016 Rome, Italy; (F.M.); (P.B.B.)
| | - Pasquale Bartolomeo Berloco
- Department of General Surgery and Organ Transplantation, Sapienza University of Rome, 0016 Rome, Italy; (F.M.); (P.B.B.)
| | - Vincenzo Cardinale
- Department of Medico-Surgical Sciences and Biotechnologies, Polo Pontino, “Sapienza” University of Rome, 04100 Latina, Italy
- Correspondence: (L.N.); (V.C.); Tel.: +39-3392335294 (L.N.); +39-3495601492 (V.C.)
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50
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Shearn CT, Fennimore B, Orlicky DJ, Gao YR, Saba LM, Battista KD, Aivazidis S, Assiri M, Harris PS, Michel C, Merrill GF, Schmidt EE, Colgan SP, Petersen DR. Cholestatic liver disease results increased production of reactive aldehydes and an atypical periportal hepatic antioxidant response. Free Radic Biol Med 2019; 143:101-114. [PMID: 31377417 PMCID: PMC6848778 DOI: 10.1016/j.freeradbiomed.2019.07.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 06/30/2019] [Accepted: 07/31/2019] [Indexed: 01/22/2023]
Abstract
Cholangiopathies such as primary sclerosing cholangitis (PSC) are chronic liver diseases characterized by increased cholestasis, biliary inflammation and oxidative stress. The objective of this study was to elucidate the impact of cholestatic injury on oxidative stress-related factors. Using hepatic tissue and whole cell liver extracts (LE) isolated from 11-week old C57BL/6J (WT) and Mdr2KO mice, inflammation and oxidative stress was assessed. Concurrently, specific targets of carbonylation were assessed in LE prepared from murine groups as well as from normal and human patients with end-stage PSC. Identified carbonylated proteins were further evaluated using bioinformatics analyses. Picrosirius red staining revealed extensive fibrosis in Mdr2KO liver, and fibrosis colocalized with increased periportal inflammatory cells and both acrolein and 4-HNE staining. Western blot analysis revealed elevated periportal expression of antioxidant proteins Cbr3, GSTμ, Prdx5, TrxR1 and HO-1 but not GCLC, GSTπ or catalase in the Mdr2KO group when compared to WT. From immunohistochemical analysis, increased periportal reactive aldehyde production colocalized with elevated staining of Cbr3, GSTμ and TrxR1 but surprisingly not with Nrf2. Mass spectrometric analysis revealed an increase in carbonylated proteins in the Mdr2KO and PSC groups compared to respective controls. Gene ontology and KEGG pathway analysis of carbonylated proteins revealed a propensity for increased carbonylation of proteins broadly involved in metabolic processes as well more specifically in Rab-mediated signal transduction, lysosomes and the large ribosomal subunit in human PSC. Western blot analysis of Rab-GTPase expression revealed no significant differences in Mdr2KO mice when compared to WT livers. In contrast, PSC tissue exhibited decreased levels of Rabs 4, 5 and increased abundance of Rabs 6 and 9a protein. Results herein reveal that cholestasis induces stage-dependent increases in periportal oxidative stress responses and protein carbonylation, potentially contributing to pathogenesis in Mdr2KO. Furthermore, during early stage cholestasis, there is cell-specific upregulation of some but not all, antioxidant proteins.
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Affiliation(s)
- Colin T Shearn
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States.
| | - Blair Fennimore
- Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - David J Orlicky
- Department of Pathology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Yue R Gao
- Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Laura M Saba
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Kayla D Battista
- Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Stefanos Aivazidis
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Mohammed Assiri
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Peter S Harris
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Cole Michel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Gary F Merrill
- Department of Biochemistry and Biophysics, Oregon State University, Corvalis, OR, 97331, United States
| | - Edward E Schmidt
- Department of Microbiology and Immunology, Montana State University, Bozeman, MT, 59717, United States
| | - Sean P Colgan
- Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
| | - Dennis R Petersen
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, United States
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