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Zaitseva O, Hoffmann A, Löst M, Anany MA, Zhang T, Kucka K, Wiegering A, Otto C, Wajant H. Antibody-based soluble and membrane-bound TWEAK mimicking agonists with FcγR-independent activity. Front Immunol 2023; 14:1194610. [PMID: 37545514 PMCID: PMC10402896 DOI: 10.3389/fimmu.2023.1194610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/22/2023] [Indexed: 08/08/2023] Open
Abstract
Fibroblast growth factor (FGF)-inducible 14 (Fn14) activates the classical and alternative NFκB (nuclear factor 'kappa-light-chain-enhancer' of activated B-cells) signaling pathway but also enhances tumor necrosis factor (TNF)-induced cell death. Fn14 expression is upregulated in non-hematopoietic cells during tissue injury and is also often highly expressed in solid cancers. In view of the latter, there were and are considerable preclinical efforts to target Fn14 for tumor therapy, either by exploiting Fn14 as a target for antibodies with cytotoxic activity (e.g. antibody-dependent cellular cytotoxicity (ADCC)-inducing IgG variants, antibody drug conjugates) or by blocking antibodies with the aim to interfere with protumoral Fn14 activities. Noteworthy, there are yet no attempts to target Fn14 with agonistic Fc effector function silenced antibodies to unleash the proinflammatory and cell death-enhancing activities of this receptor for tumor therapy. This is certainly not at least due to the fact that anti-Fn14 antibodies only act as effective agonists when they are presented bound to Fcγ receptors (FcγR). Thus, there are so far no antibodies that robustly and selectively engage Fn14 signaling without triggering unwanted FcγR-mediated activities. In this study, we investigated a panel of variants of the anti-Fn14 antibody 18D1 of different valencies and domain architectures with respect to their inherent FcγR-independent ability to trigger Fn14-associated signaling pathways. In contrast to conventional 18D1, the majority of 18D1 antibody variants with four or more Fn14 binding sites displayed a strong ability to trigger the alternative NFκB pathway and to enhance TNF-induced cell death and therefore resemble in their activity soluble (TNF)-like weak inducer of apoptosis (TWEAK), one form of the natural occurring ligand of Fn14. Noteworthy, activation of the classical NFκB pathway, which naturally is predominately triggered by membrane-bound TWEAK but not soluble TWEAK, was preferentially observed with a subset of constructs containing Fn14 binding sites at opposing sites of the IgG scaffold, e.g. IgG1-scFv fusion proteins. A superior ability of IgG1-scFv fusion proteins to trigger classical NFκB signaling was also observed with the anti-Fn14 antibody PDL192 suggesting that we identified generic structures for Fn14 antibody variants mimicking soluble and membrane-bound TWEAK.
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Affiliation(s)
- Olena Zaitseva
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Annett Hoffmann
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Würzburg, Würzburg, Germany
| | - Margaretha Löst
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Mohamed A. Anany
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Department of Microbial Biotechnology, Institute of Biotechnology, National Research Center, Giza, Egypt
| | - Tengyu Zhang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Kirstin Kucka
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Armin Wiegering
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Würzburg, Würzburg, Germany
| | - Christoph Otto
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Würzburg, Würzburg, Germany
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
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Abozaid YJ, Ayada I, van Kleef LA, Vallerga CL, Pan Q, Brouwer WP, Ikram MA, Van Meurs J, de Knegt RJ, Ghanbari M. Plasma proteomic signature of fatty liver disease: The Rotterdam Study. Hepatology 2023; 78:284-294. [PMID: 36738080 DOI: 10.1097/hep.0000000000000300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/21/2022] [Indexed: 02/05/2023]
Abstract
BACKGROUND AND AIMS Fatty liver disease (FLD) is caused by excess fat in the liver, and its global prevalence exceeds 33%. The role of protein expression on the pathogenesis of FLD and accompanied fibrosis and its potential as a disease biomarker is currently not clear. Hence, we aimed to identify plasma proteomics associated with FLD and fibrosis using population-based data. APPROACH AND RESULTS Blood samples were collected from 2578 participants from the population-based Rotterdam Study cohort. The proximity extension assay reliably measured plasma levels of 171 cardiometabolic and inflammatory-related proteins (Olink Proteomics). FLD was assessed by ultrasound, and fibrosis by transient elastography. Logistic regression models quantified the association of plasma proteomics with FLD and fibrosis. In addition, we aimed to validate our results in liver organoids. The cross-sectional analysis identified 27 proteins significantly associated with FLD surpassing the Bonferroni-corrected p <2.92×10 -4 . The strongest association was observed for FGF-21 (β=0.45, p =1.07×10 -18 ) and carboxylesterase 1 (CES1) protein (β=0.66, p =4.91×10 -40 ). Importantly, 15 of the 27 proteins significantly associated with FLD were also associated with liver fibrosis. Finally, consistent with plasma proteomic profiling, we found the expression levels of IL-18 receptor 1 (IL-18R1) and CES1 to be upregulated in an FLD model of 3-dimensional culture human liver organoids. CONCLUSIONS Among the general population, several inflammatory and cardiometabolic plasma proteins were associated with FLD and fibrosis. Particularly, plasma levels of FGF-21, IL-18R1, and CES1 were largely dependent on the presence of FLD and fibrosis and may therefore be important in their pathogenesis.
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Affiliation(s)
- Yasir J Abozaid
- Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Ibrahim Ayada
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Laurens A van Kleef
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Costanza L Vallerga
- Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Qiuwei Pan
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Willem P Brouwer
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Joyce Van Meurs
- Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands
- Department of Orthopaedics and Sportsmedicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Robert J de Knegt
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Mohsen Ghanbari
- Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
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Abu Bakar NDB, Carlessi R, Gogoi-tiwari J, Köhn-gaone J, Williams V, Falasca M, Olynyk JK, Ramm GA, Tirnitz-parker JEE. TWEAK/Fn14 Signalling Regulates the Tissue Microenvironment in Chronic Pancreatitis. Cancers (Basel) 2023; 15:1807. [PMID: 36980694 PMCID: PMC10046490 DOI: 10.3390/cancers15061807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Chronic pancreatitis increases the risk of developing pancreatic cancer through the upregulation of pathways favouring proliferation, fibrosis, and sustained inflammation. We established in previous studies that the ligand tumour necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) signals through its cognate receptor fibroblast growth factor-inducible 14 (Fn14) to regulate these underlying cellular processes in the chronic liver injury niche. However, the role of the TWEAK/Fn14 signalling pathway in pancreatic disease is entirely unknown. An analysis of publicly available datasets demonstrated that the TWEAK receptor Fn14 is upregulated in pancreatitis and pancreatic adenocarcinoma, with single cell RNA sequencing revealing pancreatic ductal cells as the main Fn14 producers. We then used choline-deficient, ethionine-supplemented (CDE) diet feeding of wildtype C57BL/6J and Fn14 knockout littermates to (a) confirm CDE treatment as a suitable model of chronic pancreatitis and (b) to investigate the role of the TWEAK/Fn14 signalling pathway in pancreatic ductal proliferation, as well as fibrotic and inflammatory cell dynamics. Our time course data obtained at three days, three months, and six months of CDE treatment reveal that a lack of TWEAK/Fn14 signalling significantly inhibits the establishment and progression of the tissue microenvironment in CDE-induced chronic pancreatitis, thus proposing the TWEAK/Fn14 pathway as a novel therapeutic target.
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Short C, Zhong A, Xu J, Mahdi E, Glazier A, Malkoff N, Noriega N, Yeo T, Asahina K, Wang KS. TWEAK/FN14 promotes profibrogenic pathway activation in Prominin-1-expressing hepatic progenitor cells in biliary atresia. Hepatology 2023; 77:1639-1653. [PMID: 36626628 DOI: 10.1097/hep.0000000000000026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 10/01/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND AIMS Biliary atresia (BA), a congenital cholestatic liver disease, commonly culminates in end-stage liver disease. We previously demonstrated in BA that Prominin-1 ( Prom1 )-expressing hepatic progenitor cells (HPCs) expand within regions of developing fibrosis, giving rise to cholangiocytes within biliary ductular reactions. Null mutation of Prom1 or ablation of cells expressing Prom1 significantly diminishes fibrogenesis. FN14, the receptor for TNF-like weak inducer of apoptosis (TWEAK), is expressed by HPCs. TWEAK/FN14 signaling promotes fibrosis in multiple organ systems. Therefore, we hypothesized that TWEAK/FN14 signaling mediates Prom1 -expressing HPC proliferation leading to profibrogenic ductular reactions in BA. APPROACH AND RESULTS The experimental mouse model of BA mediated by perinatal rhesus rotavirus (RRV) infection resulted in increased co-expression of Fn14 in Prom1 -expressing HPCs within regions of ductular reactions. FN14 antagonist L524-0366 decreased ductular reactions, biliary fibrosis and periportal fibroblast activation in RRV injury. L524-0366 inhibition also demonstrated loss of downstream noncanonical NF-kB signaling expression in RRV injury. Murine HPC organoids demonstrated accelerated organoid growth and proliferation when treated with recombinant TWEAK. Increased organoid proliferation with recombinant TWEAK was lost when also treated with L524-0366. Analysis of a large publicly available RNA sequencing database of BA and normal control patients revealed significant increases in expression of PROM1 , FN14 , and genes downstream of TNF signaling and noncanonical NF-κB signaling pathways in BA infants. Infants who failed to achieve bile drainage after hepatoportoenterostomy had higher relative levels of FN14 expression. CONCLUSION TWEAK/FN14 signaling activation in Prom1 -expressing HPCs contributes to proliferation of profibrogenic ductular reactions in BA.
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Affiliation(s)
- Celia Short
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Allen Zhong
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Jiabo Xu
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Elaa Mahdi
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Alison Glazier
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Nicolas Malkoff
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Nicolas Noriega
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Theresa Yeo
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
| | - Kinji Asahina
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
- Central Research Laboratory, Shiga University of Medical Science, Ōtsu, Shiga Prefecture, Japan
| | - Kasper S Wang
- Developmental Biology, Regenerative Medicine, and Stem Cell Program, The Saban Research Institute, Children's Hospital of Los Angeles, Los Angeles, California, USA
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Annunziato S, Sun T, Tchorz JS. The RSPO-LGR4/5-ZNRF3/RNF43 module in liver homeostasis, regeneration, and disease. Hepatology 2022; 76:888-899. [PMID: 35006616 DOI: 10.1002/hep.32328] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 12/02/2021] [Accepted: 01/06/2022] [Indexed: 01/05/2023]
Abstract
WNT/β-catenin signaling plays pivotal roles during liver development, homeostasis, and regeneration. Likewise, its deregulation disturbs metabolic liver zonation and is responsible for the development of a large number of hepatic tumors. Liver fibrosis, which has become a major health burden for society and a hallmark of NASH, can also be promoted by WNT/β-catenin signaling. Upstream regulatory mechanisms controlling hepatic WNT/β-catenin activity may constitute targets for the development of novel therapies addressing these life-threatening conditions. The R-spondin (RSPO)-leucine-rich repeat-containing G protein-coupled receptor (LGR) 4/5-zinc and ring finger (ZNRF) 3/ring finger 43 (RNF43) module is fine-tuning WNT/β-catenin signaling in several tissues and is essential for hepatic WNT/β-catenin activity. In this review article, we recapitulate the role of the RSPO-LGR4/5-ZNRF3/RNF43 module during liver development, homeostasis, metabolic zonation, regeneration, and disease. We further discuss the controversy around LGR5 as a liver stem cell marker.
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Affiliation(s)
- Stefano Annunziato
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Tianliang Sun
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Jan S Tchorz
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
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Tao L, Ren X, Zhai W, Chen Z. Progress and Prospects of Non-Canonical NF-κB Signaling Pathway in the Regulation of Liver Diseases. Molecules 2022; 27:molecules27134275. [PMID: 35807520 PMCID: PMC9268066 DOI: 10.3390/molecules27134275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/24/2022] [Accepted: 06/29/2022] [Indexed: 02/04/2023] Open
Abstract
Non-canonical nuclear factor kappa B (NF-κB) signaling pathway regulates many physiological and pathological processes, including liver homeostasis and diseases. Recent studies demonstrate that non-canonical NF-κB signaling pathway plays an essential role in hyperglycemia, non-alcoholic fatty liver disease, alcoholic liver disease, liver regeneration, liver injury, autoimmune liver disease, viral hepatitis, and hepatocellular carcinoma. Small-molecule inhibitors targeting to non-canonical NF-κB signaling pathway have been developed and shown promising results in the treatment of liver injuries. Here, the recent advances and future prospects in understanding the roles of the non-canonical NF-κB signaling pathways in the regulation of liver diseases are discussed.
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Affiliation(s)
- Li Tao
- Emergency Department, 305 Hospital of People’s Liberation Army, Beijing 100017, China; (L.T.); (W.Z.)
| | - Xiaomeng Ren
- College of Pharmaceutical and Biology Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
- Correspondence: (X.R.); (Z.C.); Tel.: +86-45186402029 (Z.C.)
| | - Wenhui Zhai
- Emergency Department, 305 Hospital of People’s Liberation Army, Beijing 100017, China; (L.T.); (W.Z.)
| | - Zheng Chen
- HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
- Correspondence: (X.R.); (Z.C.); Tel.: +86-45186402029 (Z.C.)
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7
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Wang S, Li L, Cook C, Zhang Y, Xia Y, Liu Y. A potential fate decision landscape of the TWEAK/Fn14 axis on stem and progenitor cells: a systematic review. Stem Cell Res Ther 2022; 13:270. [PMID: 35729659 PMCID: PMC9210594 DOI: 10.1186/s13287-022-02930-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/19/2022] [Indexed: 11/21/2022] Open
Abstract
Stem and progenitor cells (SPCs) possess self-remodeling ability and differentiation potential and are responsible for the regeneration and development of organs and tissue systems. However, the precise mechanisms underlying the regulation of SPC biology remain unclear. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) acts on miscellaneous cells via binding to fibroblast growth factor-inducible 14 (Fn14) and exerts pleiotropic functions in the regulation of divergent stem cell fates. TWEAK/Fn14 signaling can regulate the proliferation, differentiation, and migration of multiple SPCs as well as tumorigenesis in certain contexts. Although TWEAK’s roles in modulating multiple SPCs are sparsely reported, the systemic effector functions of this multifaceted protein have not been fully elucidated. In this review, we summarized the fate decisions of TWEAK/Fn14 signaling on multiple stem cells and characterized its potential in stem cell therapy.
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Affiliation(s)
- Sijia Wang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Liang Li
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Christopher Cook
- Division of Immunology and Pathogenesis, Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA, USA
| | - Yufei Zhang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Yumin Xia
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
| | - Yale Liu
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
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He Y, Pei Y, Liu K, Liu L, Tian Y, Li H, Cong M, Liu T, Ma H, You H, Jia J, Zhang D, Wang P. GITR/GITRL reverse signalling modulates the proliferation of hepatic progenitor cells by recruiting ANXA2 to phosphorylate ERK1/2 and Akt. Cell Death Dis 2022; 13:297. [PMID: 35379781 PMCID: PMC8979965 DOI: 10.1038/s41419-022-04759-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 03/02/2022] [Accepted: 03/16/2022] [Indexed: 11/09/2022]
Abstract
AbstractHepatic stem/progenitor cells are the major cell compartment for tissue repair when hepatocyte proliferation is compromised in chronic liver diseases, but the expansion of these cells increases the risk of carcinogenesis. Therefore, it is essential to explore the pathways restricting their expansion and abnormal transformation. The ligand of glucocorticoid-induced tumour necrosis factor receptor (GITRL) showed the most highly increased expression in hepatic progenitor cells treated with transforming growth factor (TGF)-β1. If overexpressed by hepatic progenitor cells, GITRL stimulated cell proliferation by activating the epithelial–mesenchymal transition pathway and enhancing ERK1/2 and Akt phosphorylation via GITRL binding to ANXA2. However, GITR, the specific GITRL receptor, suppressed the epithelial–mesenchymal transition pathway of GITRL-expressing cells and decreased their growth by dissociating ANXA2 from GITRL and reducing downstream ERK1/2 and Akt phosphorylation. This study identifies GITR/GITRL reverse signalling as a cross-interaction pathway between immune cells and hepatic stem/progenitor cells that restricts the expansion of hepatic stem/progenitor cells and reduces the possibility of carcinogenesis.
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Lebedeva EI, Babenka AS, Hastemir P, Shchastniy AT, Zinovkin DA, Pranjol MZI. FN14 mRNA Expression Correlates with an Increased Number of Veins during Angiogenesis in the Process of Liver Fibrosis. Int J Mol Cell Med 2022; 11:274-284. [PMID: 37727640 PMCID: PMC10506679 DOI: 10.22088/ijmcm.bums.11.4.274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 07/08/2023] [Accepted: 07/15/2023] [Indexed: 09/21/2023]
Abstract
In this study, we hypothesize that angiogenesis of special hepatic vessels such as sinusoid capillaries or veins is closely associated with increasing production of connective tissue in fibrogenesis. Thirty-six male Wistar rats were induced with hepatitis and cirrhosis of the liver using thioacetamide. The number of sinusoidal capillaries, veins, arteries and the area of connective tissue were counted and determined. Immunohistochemical study was performed on paraffin sections using monoclonal mouse anti-CD31. mRNA expression was determined using qPCR. We found a statistically significant reduction in the number of sinusoidal capillaries (p<0.0001) and an increase in the number of interlobular veins (p<0.0001) in the fibrosis and cirrhosis groups compared to the control group. There are no differences in the number of interlobular arteries (p=0.282) in the three groups. In our analysis, we found that the expression (mRNA) of Fn14 correlated with the number of veins in liver fibrosis (r=0.44, p=0.008). Our data shows that modulation of veins angiogenesis during fibrosis in chronic liver diseases may play an important role in increasing pathological changes of the liver.
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Affiliation(s)
- Elena I. Lebedeva
- Department of Histology, Vitebsk State Medical University. Vitebsk, Belarus.
| | - Andrei S. Babenka
- Department of Bioorganic Chemistry. Belarussian State Medical University, Minsk, Belarus.
| | - Pelin Hastemir
- School of Life Sciences, University of Sussex, Brighton, UK.
| | | | - Dmitry A. Zinovkin
- Department of Pathology, Gomel State Medical University, Gomel, Belarus.
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Abstract
End-stage liver disease is characterized by massive hepatocyte death resulting in clinical decompensation and organ failures. Clinical consequences in cirrhosis are the results of the loss of functional hepatocytes and excessive scarring. The only curative therapy in advanced cirrhosis is orthotropic liver transplantation, but the clinical demand outweighs the availability of acceptable donor organs. Moreover, this also necessitates lifelong immunosuppression and carries associated risks. The liver has a huge capability for regeneration. Self-replication of quiescent differentiated hepatocytes and cholangiocytes occurs in patients with acute liver injury. Due to limited hepatocyte self-renewal capacity in advanced cirrhosis, great interest has therefore been shown in characterizing the possible role of hepatic progenitor cells and bone marrow-derived stem cells to therapeutically aid this process. Transplantation of cells from various sources that can be properly differentiated into functional liver cells or use of growth factors for ex-vivo expansion of progenitor cells is needed at utmost priority. Multiple researches over the last two decades have aided researchers in refining proliferation, differentiation, and storage techniques and understand the functionality of these cells for use in clinical practice. However, these cell-based therapies are still experimental and have to be used in trial settings.
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Key Words
- Ang2, angiopoietin 2
- BM, Bone marrow
- BM-MNCs, bone marrow mononuclear cells
- BMSC, bone marrow stem cells
- DAMPs, Damage associated molecular patterns
- EPCs, endothelial progenitor cells
- ESRP2, epithelial splicing regulatory protein 2
- GCSF
- HGF, hepatocyte growth factor
- HPC, Hepatocyte progenitor cells
- HSCs, hematopoietic stem cells
- Hh, Hedgehog
- HybHP, hybrid periportal hepatocytes
- MMP, matrix metalloprotease
- MSCs, mesenchymal stromal cells
- OLT, Orthotropic liver transplantation
- PAMPs, Pathogen associated molecular patterns
- SAH, severe alcoholic hepatitis
- SDF1, stromal-derived factor 1
- TNFSF12, tumor necrosis factor ligand superfamily member 12
- Terthigh, high Telomerase reverse transcriptase
- [Hnf4a], Hepatocyte Nuclear Factor 4 Alpha
- [Mfsd2a], Major Facilitator Superfamily Domain containing 2A
- acute liver failure
- chronic liver diseases
- hepatocyte transplant
- liver regeneration
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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: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 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 CenterCenter for Liver Disease ResearchDepartment of Inflammation and ImmunityLerner Research InstituteCleveland ClinicClevelandOHUSA
| | - Xiaoqin Wu
- Northern Ohio Alcohol CenterCenter for Liver Disease ResearchDepartment of Inflammation and ImmunityLerner Research InstituteCleveland ClinicClevelandOHUSA
| | | | - Laura E Nagy
- Northern Ohio Alcohol CenterCenter for Liver Disease ResearchDepartment of Inflammation and ImmunityLerner Research InstituteCleveland ClinicClevelandOHUSA.,Department of Gastroenterology and HepatologyCleveland ClinicClevelandOHUSA.,Department of Molecular MedicineCase Western Reserve UniversityClevelandOHUSA
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12
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Brown JL, Lawrence MM, Borowik A, Oliver L, Peelor FF, Van Remmen H, Miller BF. Tumor burden negatively impacts protein turnover as a proteostatic process in noncancerous liver, heart, and muscle, but not brain. J Appl Physiol (1985) 2021; 131:72-82. [PMID: 34013745 DOI: 10.1152/japplphysiol.01026.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Cancer survivors are more susceptible to pathologies such as hypertension, liver disease, depression, and coronary artery disease when compared with individuals who have never been diagnosed with cancer. Therefore, it is important to understand how tumor burden negatively impacts nontumor-bearing tissues that may impact future disease susceptibility. We hypothesized that the energetic costs of a tumor would compromise proteostatic maintenance in other tissues. Therefore, the purpose of this study was to determine if tumor burden changes protein synthesis and proliferation rates in heart, brain, and liver. One million Lewis lung carcinoma (LLC) cells or phosphate-buffered saline (PBS, sham) were injected into the hind flank of female mice at ∼4.5 mo of age, and the tumor developed for 3 wk. Rates of proliferation and protein synthesis were measured in heart, brain, liver, and tumor tissue. Compared with sham, rates of protein synthesis (structural/nuclear, cytosolic, mitochondrial, and collagen) relative to proliferation were lower in the heart and liver of LLC mice, but higher in the brain of LLC mice. In the tumor tissue, the ratio of protein synthesis to DNA synthesis was approximately 1.0 showing that protein synthesis in the tumor was used for proliferation with little proteostatic maintenance. We further provide evidence that the differences in tissue responses may be due to energetic stress. We concluded that the decrease in proteostatic maintenance in liver, heart, and muscle might contribute to the increased risk of disease in cancer survivors.NEW & NOTEWORTHY We present data showing that simultaneously measuring protein synthesis and cell proliferation can help in the understanding of protein turnover as a proteostatic process in response to tumor burden. In some tissues, like hepatic, cardiac, and skeletal muscle, there was a decrease in the protein to DNA synthesis ratio indicating less proteostatic maintenance. In contrast, the brain maintained or even increased this protein to DNA synthesis ratio indicating more proteostatic maintenance.
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Affiliation(s)
- Jacob L Brown
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Marcus M Lawrence
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma.,Department of Kinesiology and Outdoor Recreation, Southern Utah University, Cedar City, Utah
| | - Agnieszka Borowik
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Lauren Oliver
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma.,Oklahoma University Health Science Center, Oklahoma City, Oklahoma
| | - Fredrick F Peelor
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Holly Van Remmen
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma.,Oklahoma City VA Medical Center, Oklahoma City, Oklahoma
| | - Benjamin F Miller
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
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13
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Guillot A, Guerri L, Feng D, Kim SJ, Ahmed YA, Paloczi J, He Y, Schuebel K, Dai S, Liu F, Pacher P, Kisseleva T, Qin X, Goldman D, Tacke F, Gao B. Bile acid-activated macrophages promote biliary epithelial cell proliferation through integrin αvβ6 upregulation following liver injury. J Clin Invest 2021; 131:132305. [PMID: 33724957 DOI: 10.1172/jci132305] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 03/11/2021] [Indexed: 01/18/2023] Open
Abstract
Cholangiopathies caused by biliary epithelial cell (BEC) injury represent a leading cause of liver failure. No effective pharmacologic therapies exist, and the underlying mechanisms remain obscure. We aimed to explore the mechanisms of bile duct repair after targeted BEC injury. Injection of intermedilysin into BEC-specific human CD59 (hCD59) transgenic mice induced acute and specific BEC death, representing a model to study the early signals that drive bile duct repair. Acute BEC injury induced cholestasis followed by CCR2+ monocyte recruitment and BEC proliferation. Using microdissection and next-generation RNA-Seq, we identified 5 genes, including Mapk8ip2, Cdkn1a, Itgb6, Rgs4, and Ccl2, that were most upregulated in proliferating BECs after acute injury. Immunohistochemical analyses confirmed robust upregulation of integrin αvβ6 (ITGβ6) expression in this BEC injury model, after bile duct ligation, and in patients with chronic cholangiopathies. Deletion of the Itgb6 gene attenuated BEC proliferation after acute bile duct injury. Macrophage depletion or Ccr2 deficiency impaired ITGβ6 expression and BEC proliferation. In vitro experiments revealed that bile acid-activated monocytes promoted BEC proliferation through ITGβ6. Our data suggest that BEC injury induces cholestasis, monocyte recruitment, and induction of ITGβ6, which work together to promote BEC proliferation and therefore represent potential therapeutic targets for cholangiopathies.
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Affiliation(s)
- Adrien Guillot
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA.,Department of Hepatology and Gastroenterology, Charité University Medicine Berlin, Berlin, Germany
| | | | - Dechun Feng
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA
| | - Seung-Jin Kim
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA
| | - Yeni Ait Ahmed
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA
| | - Janos Paloczi
- Laboratory of Cardiovascular Physiology and Tissue Injury, NIAAA, NIH, Bethesda, Maryland, USA
| | - Yong He
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA
| | | | - Shen Dai
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Fengming Liu
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Pal Pacher
- Laboratory of Cardiovascular Physiology and Tissue Injury, NIAAA, NIH, Bethesda, Maryland, USA
| | | | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, Louisiana, USA
| | | | - Frank Tacke
- Department of Hepatology and Gastroenterology, Charité University Medicine Berlin, Berlin, Germany
| | - Bin Gao
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism (NIAAA), NIH, Bethesda, Maryland, USA
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14
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Abstract
The noncanonical NF-κB signaling pathway is an important branch of NF-κB signaling. It is involved in regulating multiple important biological processes, including inflammation and host immune response. A central adaptor protein of the noncanonical NF-κB pathway is NF-κB-inducing kinase (NIK), which activates the downstream kinase IKKα to process p100 to p52, thereby forming the RelB/p52 heterodimer to initiate the expression of target genes. Currently, many specific inhibitors and monoclonal antibodies targeting or triggering this pathway are being developed and tested for various diseases, including cancers, autoimmune diseases, and virus infection. Given that aberrant activation of the noncanonical NF-κB pathway is frequently observed in various liver diseases, targeting this pathway may be a promising therapeutic strategy to alleviate liver inflammation. Moreover, activation of this pathway may contribute to the antiviral immune response and promote the clearance of persistent hepatotropic virus infection. Here, we review the role of the noncanonical NF-κB pathway in the occurrence and development of different liver diseases, and discuss the potency and application of modulating the noncanonical NF-κB pathway for treatment of these liver diseases.
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Affiliation(s)
- Qianhui Chen
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou,Guangdong, China
| | - Xinyu Lu
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou,Guangdong, China
| | - Xiaoyong Zhang
- State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou,Guangdong, China
- Hepatology Unit, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- Correspondence to: Xiaoyong Zhang, Hepatology Unit and Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, No. 1838, North Guangzhou Avenue, Guangzhou, Guangdong 510515, China. Tel: +86-20-62787830, E-mail:
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15
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Salahudeen AA, Choi SS, Rustagi A, Zhu J, van Unen V, de la O SM, Flynn RA, Margalef-Català M, Santos AJM, Ju J, Batish A, Usui T, Zheng GXY, Edwards CE, Wagar LE, Luca V, Anchang B, Nagendran M, Nguyen K, Hart DJ, Terry JM, Belgrader P, Ziraldo SB, Mikkelsen TS, Harbury PB, Glenn JS, Garcia KC, Davis MM, Baric RS, Sabatti C, Amieva MR, Blish CA, Desai TJ, Kuo CJ. Progenitor identification and SARS-CoV-2 infection in human distal lung organoids. Nature 2020; 588:670-675. [PMID: 33238290 PMCID: PMC8003326 DOI: 10.1038/s41586-020-3014-1] [Citation(s) in RCA: 209] [Impact Index Per Article: 52.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 11/18/2020] [Indexed: 12/17/2022]
Abstract
The distal lung contains terminal bronchioles and alveoli that facilitate gas exchange. Three-dimensional in vitro human distal lung culture systems would strongly facilitate the investigation of pathologies such as interstitial lung disease, cancer and coronavirus disease 2019 (COVID-19) pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here we describe the development of a long-term feeder-free, chemically defined culture system for distal lung progenitors as organoids derived from single adult human alveolar epithelial type II (AT2) or KRT5+ basal cells. AT2 organoids were able to differentiate into AT1 cells, and basal cell organoids developed lumens lined with differentiated club and ciliated cells. Single-cell analysis of KRT5+ cells in basal organoids revealed a distinct population of ITGA6+ITGB4+ mitotic cells, whose offspring further segregated into a TNFRSF12Ahi subfraction that comprised about ten per cent of KRT5+ basal cells. This subpopulation formed clusters within terminal bronchioles and exhibited enriched clonogenic organoid growth activity. We created distal lung organoids with apical-out polarity to present ACE2 on the exposed external surface, facilitating infection of AT2 and basal cultures with SARS-CoV-2 and identifying club cells as a target population. This long-term, feeder-free culture of human distal lung organoids, coupled with single-cell analysis, identifies functional heterogeneity among basal cells and establishes a facile in vitro organoid model of human distal lung infections, including COVID-19-associated pneumonia.
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Affiliation(s)
- Ameen A Salahudeen
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Division of Hematology and Oncology, Department of Medicine, University of Illinois at Chicago College of Medicine, Chicago, IL, USA
| | - Shannon S Choi
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Arjun Rustagi
- Division of Infectious Disease and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Junjie Zhu
- Stanford University School of Engineering, Department of Electrical Engineering, Stanford, CA, USA
| | - Vincent van Unen
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Institute of Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, USA
| | - Sean M de la O
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Ryan A Flynn
- Stanford ChEM-H, Stanford University, Stanford, CA, USA
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Mar Margalef-Català
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - António J M Santos
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Jihang Ju
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Arpit Batish
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Tatsuya Usui
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Caitlin E Edwards
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Lisa E Wagar
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Institute of Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, USA
| | - Vincent Luca
- Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA, USA
| | - Benedict Anchang
- Division of Biomedical Data Science, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Monica Nagendran
- Division of Pulmonary, Allergy and Critical Care, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Khanh Nguyen
- Division of Gastroenterology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Daniel J Hart
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | | | | | | | | | - Pehr B Harbury
- Department of Biochemistry, Stanford University School of Medicine, Stanford, CA, USA
| | - Jeffrey S Glenn
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Division of Gastroenterology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - K Christopher Garcia
- Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Mark M Davis
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Institute of Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Chiara Sabatti
- Division of Biomedical Data Science, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Manuel R Amieva
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Catherine A Blish
- Division of Infectious Disease and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
- Chan Zuckerberg Biohub, San Francisco, CA, USA.
| | - Tushar J Desai
- Division of Pulmonary, Allergy and Critical Care, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
| | - Calvin J Kuo
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
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16
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Chen T, Oh S, Gregory S, Shen X, Diehl AM. Single-cell omics analysis reveals functional diversification of hepatocytes during liver regeneration. JCI Insight 2020. [DOI: 10.1172/jci.insight.141024 33208554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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17
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Chen T, Oh S, Gregory S, Shen X, Diehl AM. Single-cell omics analysis reveals functional diversification of hepatocytes during liver regeneration. JCI Insight 2020; 5:141024. [PMID: 33208554 PMCID: PMC7710279 DOI: 10.1172/jci.insight.141024] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 10/08/2020] [Indexed: 01/07/2023] Open
Abstract
Adult liver has enormous regenerative capacity; it can regenerate after losing two-thirds of its mass while sustaining essential metabolic functions. How the liver balances dual demands for increased proliferative activity with maintenance of organ function is unknown but essential to prevent liver failure. Using partial hepatectomy (PHx) in mice to model liver regeneration, we integrated single-cell RNA- and ATAC-Seq to map state transitions in approximately 13,000 hepatocytes at single-cell resolution as livers regenerated, and validated key findings with IHC, to uncover how the organ regenerates hepatocytes while simultaneously fulfilling its vital tissue-specific functions. After PHx, hepatocytes rapidly and transiently diversified into multiple distinct populations with distinct functional bifurcation: some retained the chromatin landscapes and transcriptomes of hepatocytes in undamaged adult livers, whereas others transitioned to acquire chromatin landscapes and transcriptomes of fetal hepatocytes. Injury-related signaling pathways known to be critical for regeneration were activated in transitioning hepatocytes, and the most fetal-like hepatocytes exhibited chromatin landscapes that were enriched with transcription factors regulated by those pathways.
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Affiliation(s)
- Tianyi Chen
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, North Carolina, USA
| | | | - Simon Gregory
- Department of Neurology, Duke University, Durham, North Carolina, USA
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, North Carolina, USA
| | - Xiling Shen
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, North Carolina, USA
| | - Anna Mae Diehl
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, North Carolina, USA
- Department of Medicine and
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18
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Zhang Y, Zeng W, Xia Y. TWEAK/Fn14 axis is an important player in fibrosis. J Cell Physiol 2020; 236:3304-3316. [PMID: 33000480 DOI: 10.1002/jcp.30089] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/17/2020] [Accepted: 09/21/2020] [Indexed: 12/15/2022]
Abstract
Fibrosis is a common pathological condition associated with abnormal repair after tissue injury. However, the etiology and molecular mechanisms of fibrosis are still not well-understood. Tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) belongs to the TNF superfamily and acts by binding to its receptor, fibroblast growth factor-inducible 14 (Fn14), thereby activating a variety of intracellular signal transduction pathways in various types of cells. Besides promoting the expression of growth factors, activation of TWEAK/Fn14 signaling after tissue injury can promote the expression of pro-inflammatory cytokines, which trigger the immune response, thereby exacerbating the injury. Severe or repetitive injury leads to a dysregulated tissue repair process, in which the TWEAK/Fn14 axis promotes the activation and proliferation of myofibroblasts, induces the secretion of the extracellular matrix, and regulates profibrotic mediators to further perpetuate and sustain the fibrotic process. In this review, we summarize the available experimental evidence on the underlying molecular mechanisms by which the TWEAK/Fn14 pathway mediates the development and progression of fibrosis. In addition, we discuss the therapeutic potential of the TWEAK/Fn14 pathway in fibrosis-associated diseases based on evidence derived from multiple models and cells from injured tissue and fibrotic tissue.
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Affiliation(s)
- Yitian Zhang
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Weihui Zeng
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yumin Xia
- Department of Dermatology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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19
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Salahudeen AA, Choi SS, Rustagi A, Zhu J, de la O SM, Flynn RA, Margalef-Català M, Santos AJM, Ju J, Batish A, van Unen V, Usui T, Zheng GXY, Edwards CE, Wagar LE, Luca V, Anchang B, Nagendran M, Nguyen K, Hart DJ, Terry JM, Belgrader P, Ziraldo SB, Mikkelsen TS, Harbury PB, Glenn JS, Garcia KC, Davis MM, Baric RS, Sabatti C, Amieva MR, Blish CA, Desai TJ, Kuo CJ. Progenitor identification and SARS-CoV-2 infection in long-term human distal lung organoid cultures. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2020:2020.07.27.212076. [PMID: 32743583 PMCID: PMC7386503 DOI: 10.1101/2020.07.27.212076] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The distal lung contains terminal bronchioles and alveoli that facilitate gas exchange and is affected by disorders including interstitial lung disease, cancer, and SARS-CoV-2-associated COVID-19 pneumonia. Investigations of these localized pathologies have been hindered by a lack of 3D in vitro human distal lung culture systems. Further, human distal lung stem cell identification has been impaired by quiescence, anatomic divergence from mouse and lack of lineage tracing and clonogenic culture. Here, we developed robust feeder-free, chemically-defined culture of distal human lung progenitors as organoids derived clonally from single adult human alveolar epithelial type II (AT2) or KRT5 + basal cells. AT2 organoids exhibited AT1 transdifferentiation potential, while basal cell organoids progressively developed lumens lined by differentiated club and ciliated cells. Organoids consisting solely of club cells were not observed. Upon single cell RNA-sequencing (scRNA-seq), alveolar organoids were composed of proliferative AT2 cells; however, basal organoid KRT5 + cells contained a distinct ITGA6 + ITGB4 + mitotic population whose proliferation segregated to a TNFRSF12A hi subfraction. Clonogenic organoid growth was markedly enriched within the TNFRSF12A hi subset of FACS-purified ITGA6 + ITGB4 + basal cells from human lung or derivative organoids. In vivo, TNFRSF12A + cells comprised ~10% of KRT5 + basal cells and resided in clusters within terminal bronchioles. To model COVID-19 distal lung disease, we everted the polarity of basal and alveolar organoids to rapidly relocate differentiated club and ciliated cells from the organoid lumen to the exterior surface, thus displaying the SARS-CoV-2 receptor ACE2 on the outwardly-facing apical aspect. Accordingly, basal and AT2 apical-out organoids were infected by SARS-CoV-2, identifying club cells as a novel target population. This long-term, feeder-free organoid culture of human distal lung alveolar and basal stem cells, coupled with single cell analysis, identifies unsuspected basal cell functional heterogeneity and exemplifies progenitor identification within a slowly proliferating human tissue. Further, our studies establish a facile in vitro organoid model for human distal lung infectious diseases including COVID-19-associated pneumonia.
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20
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Elchaninov A, Fatkhudinov T, Makarov A, Vorobieva I, Lokhonina A, Usman N, Kananykhina E, Vishnyakova P, Nikitina M, Goldshtein D, Bolshakova G, Glinkina V, Sukhikh G. Inherent control of hepatocyte proliferation after subtotal liver resection. Cell Biol Int 2020; 44:80-88. [PMID: 31297922 DOI: 10.1002/cbin.11203] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 07/09/2019] [Indexed: 02/05/2023]
Abstract
At the normal physiological conditions, hepatocytes predominantly reside in G0 phase of cell cycle; they actively proceed to G1 phase upon damage to the organ. As it was shown in experiments with restoration of liver mass in rats after subtotal hepatectomy (resection of 80% of the organ mass may be considered as a model of the 'small for size' liver syndrome), the growth inhibition is due to prolonged arrest of hepatocyte proliferation, molecular mechanisms of which remain understudied. In a rat model of liver regeneration after surgical removal of 80% of its mass, we observe a delayed onset of hepatocyte proliferation: Ki67+ hepatocytes begin to appear as late as at 30 h after liver subtotal resection. Their appearance coincides with the beginning of transcription of genes for cyclins A2, B1, D 1 , and E 1 at 24-30 h after surgery. The corresponding increase in concentrations of cyclin D 1 and E proteins is further delayed till 48 h after liver resection. We have also observed a prolonged decrease in the expression of proto-oncogene c-met (the hepatocyte growth factor receptor-encoding gene Met), an increase in expression of the transforming growth factor β1 (TGFβ 1 ) receptor-encoding gene Tgfbr2. At the same time, irreversible block of hepatocyte proliferation is prevented by expression of certain factors, notably of the TWEAK/Fn14 signaling pathway: concentrations of the corresponding proteins in remnant livers have peaked from 24 to 48 h after liver subtotal resection.
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Affiliation(s)
- Andrey Elchaninov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
| | - Timur Fatkhudinov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
| | - Andrey Makarov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow, 117997, Russian Federation
| | - Iva Vorobieva
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
| | - Anastasia Lokhonina
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
| | - Natalia Usman
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
| | - Evgeniya Kananykhina
- Research Institute of Human Morphology, 3 Tsurupa Street, Moscow, 117418, Russian Federation
| | - Polina Vishnyakova
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
| | - Maria Nikitina
- Research Institute of Human Morphology, 3 Tsurupa Street, Moscow, 117418, Russian Federation
| | - Dmitry Goldshtein
- Research Center of Medical Genetics, 1 Moscvorechie, Moscow, 115478, Russian Federation
| | - Galina Bolshakova
- Research Institute of Human Morphology, 3 Tsurupa Street, Moscow, 117418, Russian Federation
| | - Valeria Glinkina
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow, 117997, Russian Federation
| | - Gennady Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of Ministry of Healthcare of Russian Federation, 4 Oparina Street, Moscow, 117997, Russian Federation
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21
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Prior N, Hindley CJ, Rost F, Meléndez E, Lau WWY, Göttgens B, Rulands S, Simons BD, Huch M. Lgr5 + stem and progenitor cells reside at the apex of a heterogeneous embryonic hepatoblast pool. Development 2019; 146:dev.174557. [PMID: 31142540 PMCID: PMC6602348 DOI: 10.1242/dev.174557] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/15/2019] [Indexed: 12/12/2022]
Abstract
During mouse embryogenesis, progenitors within the liver known as hepatoblasts give rise to adult hepatocytes and cholangiocytes. Hepatoblasts, which are specified at E8.5-E9.0, have been regarded as a homogeneous progenitor population that initiate differentiation from E13.5. Recently, scRNA-seq analysis has identified sub-populations of transcriptionally distinct hepatoblasts at E11.5. Here, we show that hepatoblasts are not only transcriptionally but also functionally heterogeneous, and that a subpopulation of E9.5-E10.0 hepatoblasts exhibit a previously unidentified early commitment to cholangiocyte fate. Importantly, we also identify a subpopulation constituting 2% of E9.5-E10.0 hepatoblasts that express the adult stem cell marker Lgr5, and generate both hepatocyte and cholangiocyte progeny that persist for the lifespan of the mouse. Combining lineage tracing and scRNA-seq, we show that Lgr5 marks E9.5-E10.0 bipotent liver progenitors residing at the apex of a hepatoblast hierarchy. Furthermore, isolated Lgr5+ hepatoblasts can be clonally expanded in vitro into embryonic liver organoids, which can commit to either hepatocyte or cholangiocyte fates. Our study demonstrates functional heterogeneity within E9.5 hepatoblasts and identifies Lgr5 as a marker for a subpopulation of bipotent liver progenitors.
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Affiliation(s)
- Nicole Prior
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK
| | - Christopher J Hindley
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK.,The Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0HE, UK
| | - Fabian Rost
- Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Strasse 38, 01187 Dresden, Germany
| | - Elena Meléndez
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK
| | - Winnie W Y Lau
- Department of Haematology and Wellcome and MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Berthold Göttgens
- Department of Haematology and Wellcome and MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Steffen Rulands
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK.,The Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0HE, UK.,Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Strasse 38, 01187 Dresden, Germany.,Center for Systems Biology Dresden, Pfotenhauer Strasse 108, 01307 Dresden, Germany
| | - Benjamin D Simons
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK.,The Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0HE, UK.,Wellcome Trust - Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Rd, Cambridge, CB2 1QR, UK
| | - Meritxell Huch
- The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK .,Wellcome Trust - Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Rd, Cambridge, CB2 1QR, UK.,Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, CB2 3DY, UK
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22
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Abstract
Macrophages are tissue-resident or infiltrated immune cells critical for innate immunity, normal tissue development, homeostasis, and repair of damaged tissue. Macrophage function is a sum of their ontogeny, the local environment in which they reside, and the type of injuries or pathogen to which they are exposed. In this Review, we discuss the role of macrophages in the restoration of tissue function after injury, highlighting important questions about how they respond to and modify the local microenvironment to restore homeostasis.
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Affiliation(s)
- Satoshi Watanabe
- Division of Pulmonary and Critical Care Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA.,Department of Respiratory Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Ishikawa, Japan
| | - Michael Alexander
- Division of Pulmonary and Critical Care Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
| | - Alexander V Misharin
- Division of Pulmonary and Critical Care Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
| | - G R Scott Budinger
- Division of Pulmonary and Critical Care Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
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23
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Anany MA, Kreckel J, Füllsack S, Rosenthal A, Otto C, Siegmund D, Wajant H. Soluble TNF-like weak inducer of apoptosis (TWEAK) enhances poly(I:C)-induced RIPK1-mediated necroptosis. Cell Death Dis 2018; 9:1084. [PMID: 30349023 DOI: 10.1038/s41419-018-1137-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 10/03/2018] [Accepted: 10/08/2018] [Indexed: 12/14/2022]
Abstract
TNF-like weak inducer of apoptosis (TWEAK) and inhibition of protein synthesis with cycloheximide (CHX) sensitize for poly(I:C)-induced cell death. Notably, although CHX preferentially enhanced poly(I:C)-induced apoptosis, TWEAK enhanced primarily poly(I:C)-induced necroptosis. Both sensitizers of poly(I:C)-induced cell death, however, showed no major effect on proinflammatory poly(I:C) signaling. Analysis of a panel of HeLa-RIPK3 variants lacking TRADD, RIPK1, FADD, or caspase-8 expression revealed furthermore similarities and differences in the way how poly(I:C)/TWEAK, TNF, and TRAIL utilize these molecules for signaling. RIPK1 turned out to be essential for poly(I:C)/TWEAK-induced caspase-8-mediated apoptosis but was dispensable for this response in TNF and TRAIL signaling. TRADD-RIPK1-double deficiency differentially affected poly(I:C)-triggered gene induction but abrogated gene induction by TNF completely. FADD deficiency abrogated TRAIL- but not TNF- and poly(I:C)-induced necroptosis, whereas TRADD elicited protective activity against all three death inducers. A general protective activity against poly(I:C)-, TRAIL-, and TNF-induced cell death was also observed in FLIPL and FLIPS transfectrants.
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24
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Pereyra D, Starlinger P. Shaping the future of liver surgery: Implementation of experimental insights into liver regeneration. Eur Surg 2018; 50:132-136. [PMID: 29875802 PMCID: PMC5968067 DOI: 10.1007/s10353-018-0515-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 02/07/2018] [Indexed: 02/07/2023]
Abstract
Background While liver surgery has become a safe and feasible operation technique, the incidence of postoperative liver dysfunction still remains a central problem. Approximately 10% of patients undergoing liver resection were shown to develop liver dysfunction, which is associated with an increased risk of morbidity and mortality. Yet, to date there is no effective treatment option for postoperative liver dysfunction available. The development of postoperative liver dysfunction was linked to a disruption in the liver's potential to regenerate. Thus, it is importance to elucidate the underlying mechanisms of liver regeneration and to find potential therapeutic targets for the treatment of patients with postoperative liver dysfunction. Methods A review of the literature was carried out. Results We report on potential future interventions for improvement of liver regeneration after surgical resection. Moreover, we evaluate the benefits and drawbacks of hepatic progenitor cell therapy and hematopoietic stem cell therapy. However, the most significant improvement seems to come from molecular targets. Indeed, von Willebrand factor and its pharmacologic manipulation are among the most promising therapeutic targets to date. Furthermore, using the example of platelet-based therapy, we stress the potentially adverse effects of treatments for postoperative liver dysfunction. Conclusion The present review reports on the newest advances in the field of regenerative science, but also underlines the need for more research in the field of postoperative liver regeneration, especially in regard to translational studies.
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Affiliation(s)
- D. Pereyra
- Department of Surgery, General Hospital, Medical University of Vienna, Währinger Gürtel 18–20, 1090 Vienna, Austria
| | - P. Starlinger
- Department of Surgery, General Hospital, Medical University of Vienna, Währinger Gürtel 18–20, 1090 Vienna, Austria
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25
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Abstract
Alcohol-induced steatohepatitis (ASH) increases the risk for both clinically-severe acute alcoholic hepatitis and eventual cirrhosis. The mechanisms that control ASH pathogenesis and progression are unclear but processes that regulate liver cell plasticity seem to be critically involved. In injured adult livers, morphogenic signaling pathways that modulate cell fate decisions during fetal development and in adult liver progenitors become reactivated. Overly-exuberant activation of such morphogenic signaling causes dysregulated liver repair and increases short- and long-term mortality by promoting acute liver failure, as well as progressive fibrosis. Hence, these pathways may be novel therapeutic targets to optimize liver cell reprogramming and prevent defective regenerative responses that cause acute liver failure and cirrhosis.
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26
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Ceulemans A, Verhulst S, Van Haele M, Govaere O, Ventura JJ, van Grunsven LA, Roskams T. RNA-sequencing-based comparative analysis of human hepatic progenitor cells and their niche from alcoholic steatohepatitis livers. Cell Death Dis 2017; 8:e3164. [PMID: 29095436 DOI: 10.1038/cddis.2017.543] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/17/2017] [Accepted: 09/05/2017] [Indexed: 02/07/2023]
Abstract
Hepatic progenitor cells (HPCs) are small cells with a relative large oval nucleus and a scanty cytoplasm situated in the canals of Hering that express markers of (immature) hepatocytes and cholangiocytes. HPCs are present in large numbers in alcoholic steatohepatitis (ASH), one of the leading causes of chronic liver disease. To date, the mechanisms responsible for proliferation and differentiation of human HPCs are still poorly understood and the role of HPCs in ASH development is unknown. In this study, we aimed to characterise human HPCs and their interactions with other cells through comparison, on both protein and RNA level, of HPC-enriched cell populations from adult human liver tissue using different isolation methods. Fresh human liver tissue was collected from ASH explant livers and HPC-enriched cell populations were obtained via four different isolation methods: side population (SP), epithelial cell adhesion molecule (EpCAM) and trophoblast antigen 2 (TROP-2) membrane marker isolation and laser capture microdissection. Gene expression profiles of fluorescent-activated cell-sorted HPCs, whole liver extracts and laser microdissected HPC niches were determined by RNA-sequencing. Immunohistochemical evaluation of the isolated populations indicated the enrichment of HPCs in the SP, EpCAM+ and TROP-2+ cell populations. Pathway analysis of the transcription profiles of human HPCs showed an enrichment and activation of known HPC pathways like Wnt/β-catenin, TWEAK and HGF. Integration of the HPC niche profile suggests autocrine signalling by HPCs (TNFα, PDGFB and VEGFA) as well as paracrine signalling from the surrounding niche cells including MIF and IGF-1. In addition, we identified IL-17 A signalling as a potentially novel pathway in HPC biology. In conclusion, we provide the first RNA-seq-based, comparative transcriptome analysis of isolated human HPCs from ASH patients and revealed active signalling between HPCs and their surrounding niche cells in ASH livers and suggest that HPCs can actively contribute to liver inflammation.
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27
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Lam ET, Eckhardt SG, Messersmith W, Jimeno A, O'Bryant CL, Ramanathan RK, Weiss GJ, Chadha M, Oey A, Ding HT, Culp PA, Keller SF, Zhao VY, Tsao LC, Singhal A, Holen KD, Von Hoff D. Phase I Study of Enavatuzumab, a First-in-Class Humanized Monoclonal Antibody Targeting the TWEAK Receptor, in Patients with Advanced Solid Tumors. Mol Cancer Ther 2017; 17:215-221. [PMID: 29054986 DOI: 10.1158/1535-7163.mct-17-0330] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/23/2017] [Accepted: 10/04/2017] [Indexed: 02/06/2023]
Abstract
This phase I study evaluates the safety, MTD, pharmacokinetics (PK), pharmacodynamics, and preliminary anticancer activity of enavatuzumab, a humanized IgG1 antibody to the TWEAK receptor, in patients with advanced solid malignancies. Patients received escalating doses of enavatuzumab given intravenously over 60 minutes every 2 weeks. Blood was obtained for PK and biomarker assessment. Three patients were enrolled per dose level in a standard 3+3 design with response assessment by RECIST version 1.0, every 8 weeks. Thirty patients were enrolled at 6 dose levels ranging from 0.1 to 1.5 mg/kg. Dose-limiting toxicities included grade 4 (G4) lipase, G3 bilirubin, and G4 amylase elevations. There was no apparent correlation of liver or pancreatic enzyme elevation with drug exposure or the presence of liver metastases. Enavatuzumab exhibited a two-compartment linear PK model. Estimated systemic clearance was 23 to 33 mL/h with an elimination half-life of 7 to 18 days. The predicted target efficacious peak and trough concentrations occurred at 1.0 mg/kg following the second dose. There were no objective responses; 4 patients had stable disease. The MTD of enavatuzumab is 1.0 mg/kg i.v. every 2 weeks. Higher doses were not tolerated due to hepatopancreatic lab abnormalities. Further evaluation of the mechanisms of the liver and pancreatic enzyme toxicities is needed before embarking on further single-agent or combination strategies. Mol Cancer Ther; 17(1); 215-21. ©2017 AACR.
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Affiliation(s)
- Elaine T Lam
- University of Colorado at Denver, Anschutz Medical Campus, Aurora, Colorado.
| | - S Gail Eckhardt
- University of Colorado at Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Wells Messersmith
- University of Colorado at Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Antonio Jimeno
- University of Colorado at Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Cindy L O'Bryant
- University of Colorado at Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Ramesh K Ramanathan
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona
| | - Glen J Weiss
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona
| | - Manpreet Chadha
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona
| | - Abbie Oey
- AbbVie Biotherapeutics Inc., Redwood City, California
| | - Han Ting Ding
- AbbVie Biotherapeutics Inc., Redwood City, California
| | | | | | - Vivian Y Zhao
- AbbVie Biotherapeutics Inc., Redwood City, California
| | - L Claire Tsao
- AbbVie Biotherapeutics Inc., Redwood City, California
| | - Anil Singhal
- AbbVie Biotherapeutics Inc., Redwood City, California
| | | | - Daniel Von Hoff
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona
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28
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Abstract
Liver regeneration is a fascinating and complex process with many medical implications. An important component of this regenerative process is the hepatic progenitor cell (HPC). These appealing cells are able to participate in the renewal of hepatocytes and cholangiocytes when the normal homeostatic regeneration is exhausted. Moreover, the HPC niche is of vital importance toward the activation, differentiation, and proliferation of the HPC. This niche provides a rich microenvironment for the regulation of the HPC, thanks to the intercellular secretion of molecules. New findings indicate that the regenerative possibilities in the liver could provide a diverse basis for therapeutic targets.
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Affiliation(s)
- Matthias Van Haele
- Liver Research Unit, Department of Imaging and Pathology, KU Leuven and University Hospitals Leuven, Minderbroederstraat 12, 3000 Leuven, Belgium
| | - Tania Roskams
- Liver Research Unit, Department of Imaging and Pathology, KU Leuven and University Hospitals Leuven, Minderbroederstraat 12, 3000 Leuven, Belgium.
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29
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Zheng L, Lv Z, Gong Z, Sheng Q, Gao Z, Zhang Y, Yu S, Zhou J, Xi Z, Wang X. Fn14 hepatic progenitor cells are associated with liver fibrosis in biliary atresia. Pediatr Surg Int 2017; 33:593-9. [PMID: 28180936 DOI: 10.1007/s00383-017-4068-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/18/2017] [Indexed: 12/19/2022]
Abstract
PURPOSE The liver in biliary atresia (BA) is characterized by progressing fibrosis which is promoted by unclear reasons. We aimed to understand the factors influencing liver fibrosis. This study hypothesized that HPCs (hepatic progenitor cells) are activated and associated with liver fibrosis in biliary atresia. METHODS Liver samples from biliary atresia patients are as BA group, and the normal liver derived from hepatoblastoma infants during operation are control group. The extent of fibrosis in liver samples was blindly evaluated by two experienced pathologists depending on Ishak system. The BA liver samples were divided into mild liver fibrosis group (grade I-IV, BAa) and severe liver fibrosis group (grade V-VI, BAb) to detect Fn14 protein expression. RESULTS In mRNA level, Fn14 expression was 21.23 ± 8.3 vs. 1.00 ± 0.17, p = 0.023 < 0.05 and CD133 expression was 6.02 ± 2.16 vs. 1.14 ± 0.75, p = 0.008 < 0.01 between BA group and control group. Fn14 cells co-expressed the progenitor marker CD133 in liver, and activated in BA. Fn14 andα-SMA were co-location in fibrous area in liver. Compared to the control group, Fn14, CD133, and α-SMA protein expression were 2.10 ± 0.53 vs. 0.97 ± 0.2, p = 0.001, 2.23 ± 0.57 vs. 1.00 ± 0.03, p = 0.000, 4.96 ± 2.4 vs. 1.00 ± 0.22, p = 0.001. The Fn14 protein expression was 2.60 ± 0.35 vs. 1.86 ± 0.42, p = 0.012, between BAb and BAa group. CONCLUSION Fn14 cells, which co-express the progenitor marker CD133 in liver, are HPCs and activated in BA. Fn14 + HPCs are associated with liver fibrosis in BA.
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30
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Nakano Y, Nakao S, Sumiyoshi H, Mikami K, Tanno Y, Sueoka M, Kasahara D, Kimura H, Moro T, Kamiya A, Hozumi K, Inagaki Y. Identification of a novel alpha-fetoprotein-expressing cell population induced by the Jagged1/Notch2 signal in murine fibrotic liver. Hepatol Commun 2017; 1:215-229. [PMID: 29404455 PMCID: PMC5721449 DOI: 10.1002/hep4.1026] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/16/2017] [Accepted: 02/21/2017] [Indexed: 12/17/2022] Open
Abstract
The liver is well known to possess high regenerative capacity in response to partial resection or tissue injury. However, liver regeneration is often impaired in the case of advanced liver fibrosis/cirrhosis when mature hepatocytes can hardly self‐proliferate. Hepatic progenitor cells have been implicated as a source of hepatocytes in regeneration of the fibrotic liver. Although alpha‐fetoprotein (AFP) is known as a clinical marker of progenitor cell induction in injured/fibrotic adult liver, the origin and features of such AFP‐producing cells are not fully understood. Here, we demonstrate a unique and distinct AFP‐expressing cell population that is induced by the Jagged1/Notch2 signal in murine fibrotic liver. Following repeated carbon tetrachloride injections, a significant number of AFP‐positive cells with high proliferative ability were observed along the fibrous septa depending on the extent of liver fibrosis. These AFP‐positive cells exhibited features of immature hepatocytes that were stained positively for hepatocyte‐lineage markers, such as albumin and hepatocyte nuclear factor 4 alpha, and a stem/progenitor cell marker Sox9. A combination of immunohistological examination of fibrotic liver tissues and coculture experiments with primary hepatocytes and hepatic stellate cells indicated that increased Jagged1 expression in activated hepatic stellate cells stimulated Notch2 signaling and up‐regulated AFP expression in adjacent hepatocytes. The mobilization and proliferation of AFP‐positive cells in fibrotic liver were further enhanced after partial hepatectomy, which was significantly suppressed in Jagged1‐conditional knockout mice. Finally, forced expression of the intracellular domain of Notch2 in normal liver induced a small number of AFP‐expressing hepatocytes in vivo. Conclusion: Insight is provided into a novel pathophysiological role of Jagged1/Notch2 signaling in the induction of AFP‐positive cells in fibrotic liver through the interaction between hepatocytes and activated hepatic stellate cells. (Hepatology Communications 2017;1:215‐229)
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Affiliation(s)
- Yasuhiro Nakano
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan
| | - Sachie Nakao
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan
| | - Hideaki Sumiyoshi
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan
| | - Kenichiro Mikami
- Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan.,Present address: Present address for Kenichiro Mikami is Department of Gastroenterology and Hematology Hirosaki University Graduate School of Medicine Hirosaki Japan
| | - Yuri Tanno
- Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan
| | - Minako Sueoka
- Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan
| | - Daigo Kasahara
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Mechanical Engineering Tokai University School of Engineering Hiratsuka Japan
| | - Hiroshi Kimura
- Department of Mechanical Engineering Tokai University School of Engineering Hiratsuka Japan
| | - Tadashi Moro
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Research Laboratory, Minophagen Pharmaceutical Co., Ltd Zama Japan
| | - Akihide Kamiya
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Molecular Life Sciences, Tokai University School of Medicine Isehara Japan
| | - Katsuto Hozumi
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Immunology Tokai University School of Medicine Isehara Japan
| | - Yutaka Inagaki
- Center for Matrix Biology and Medicine Graduate School of Medicine, Tokai University Isehara Japan.,Department of Regenerative Medicine, Tokai University School of Medicine Isehara Japan.,Institute of Medical Sciences Tokai University Isehara Japan
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31
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Kitade M, Kaji K, Yoshiji H. Relationship between hepatic progenitor cell-mediated liver regeneration and non-parenchymal cells. Hepatol Res 2016; 46:1187-1193. [PMID: 26895456 DOI: 10.1111/hepr.12682] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Accepted: 02/12/2016] [Indexed: 12/21/2022]
Abstract
Hepatic progenitor cells (HPCs) are thought to reside in the canals of Hering and can be activated and contribute to liver regeneration in response to liver injury by proliferating and differentiating towards both hepatocytes and biliary epithelial cells. In this setting, several cytokines, chemokines, and growth factors related to liver inflammation and other liver cells comprising the HPC niche, namely hepatic stellate cells (HSCs), play crucial roles in HPC activation and differentiation. In response to several types of liver injury, tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is secreted by several inflammatory cells, including monocytes, T lymphocytes, and macrophages, and acts as an initiator of the HPC niche and HSC activation. Following TWEAK-induced activation of the HPC niche, fibroblast growth factor 7 and hepatocyte growth factor released from activated HSC play central roles in maintaining HPC proliferation. In contrast, HGF-MET and Wnt3a-β-catenin signals are the predominant mediators of the hepatocyte differentiation of HPC, whereas epidermal growth factor receptor-NOTCH signaling controls HPC differentiation towards biliary epithelial cells. These signals are maintained exclusively by activated HSC and inflammatory cells surrounding HPC. Together, HSC and inflammatory cells surrounding HPC are responsible for the precise control of HPC proliferation and differentiation fate. In this review, we discuss recent progress in understanding of interactions between HPC and other liver cells in HPC-mediated liver regeneration in the setting of liver inflammation.
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32
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Abstract
The mechanisms underlying hepatic inflammation and fibrogenesis in chronic hepatitis B (CHB) are complex and several cytokines are involved. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is a member of the tumor necrosis factor superfamily which also acts as a cytokine. This study was conducted to evaluate serum soluble TWEAK (sTWEAK) levels in noncirrhotic CHB patients.Fifty-two treatment naive CHB patients and 30 healthy controls were included in the study and serum sTWEAK concentrations were measured using commercially available ELISA kits.Mean serum sTWEAK concentration was significantly lower in CHB group than healthy controls (189.6 ± 63.3 pg/mL in CHB group and 297.6 ± 61.5 pg/mL in control group, P < 0.001). According to the degree of necroinflammation in liver biopsies mean sTWEAK concentrations were found to be 168.14 ± 51.51, 206.96 ± 58.51, and 223.62 ± 78.88 pg/mL in patients with mild, moderate, and severe inflammation, respectively, and the difference between groups was statistically significant (P = 0.022). sTWEAK concentration was also found to be significantly higher in patients with advanced fibrosis in liver biopsy samples (169.59 ± 52.02 and 211.17 ± 68.22 pg/mL in patients with mild and advanced fibrosis, respectively, P = 0.016). Receiver operating characteristic (ROC) curves were obtained in CHB group to differentiate patients with advanced fibrosis from patients with mild fibrosis. Area under curve (AUC) was 0.676 (95% Cl; 0.526-0.825) for sTWEAK and for the specified cut-off value of 213.67 pg/mL sensitivity and specificity were 60% and 81.4%, respectively. ROC curve for sTWEAK to differentiate patients with severe inflammation revealed an AUC of 0.664 (95% Cl; 0.450-0.878). A cut-off value of 243.27 pg/mL yielded 54.5% sensitivity and 82.9% specificity.Serum sTWEAK concentration is decreased in treatment naive CHB patients. Further studies with simultaneous determination of circulating sTWEAK concentrations and TWEAK and factor-inducible 14 (Fn14) expressions in the liver biopsy samples would clarify the exact association of TWEAK/Fn14 pathway in the pathogenesis of CHB.
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Affiliation(s)
- Mehmet Asil
- Division of Gastroenterology, Department of Internal Medicine, Meram School of Medicine, Necmettin Erbakan University, Meram, Konya, Turkey
- Correspondence: Mehmet Asil, Necmettin Erbakan Üniversitesi, Meram Tıp Fakültesi, İç Hastalıkları Anabilim, Dalı, Gastroenteroloji Kliniği, 42090 Meram, Konya, Turkey (e-mail: )
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33
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El'chaninov AV, Fatkhudinov TK, Kananykhina EY, Usman NY, Arutyunyan IV, Makarov AV, Bykov AV, Bolshakova GV, Sukhikh GT. Role of Progenitor Cells in Liver Regeneration after Subtotal Resection. Bull Exp Biol Med 2016; 161:155-61. [PMID: 27265142 DOI: 10.1007/s10517-016-3367-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Indexed: 02/07/2023]
Abstract
In the liver of rats subjected to subtotal liver resection (80% organ weight), the expression of sox9 gene and SOX9 protein content increased and cells with hepatocyte morphology expressing SOX9 appeared; the proportion of cells expressing cytokeratin-19 also increased. Based on these data, we cannot completely exclude the involvement of resident progenitor cells and hepatocyte reprogramming in liver regeneration after subtotal resection, however, the contribution of these processes seems to be insignificant. The leading mechanism of liver mass recovery after subtotal resection is proliferation of hepatocytes.
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Affiliation(s)
- A V El'chaninov
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
- Institute of Human Morphology, Moscow, Russia
- N. I. Pirogov Russian State Medical University, Ministry of Health of the Russian Federation, Moscow, Russia
| | - T Kh Fatkhudinov
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia.
- Institute of Human Morphology, Moscow, Russia.
- N. I. Pirogov Russian State Medical University, Ministry of Health of the Russian Federation, Moscow, Russia.
| | - E Yu Kananykhina
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
- Institute of Human Morphology, Moscow, Russia
| | - N Yu Usman
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
- Institute of Human Morphology, Moscow, Russia
| | - I V Arutyunyan
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
- Institute of Human Morphology, Moscow, Russia
| | - A V Makarov
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
- Institute of Human Morphology, Moscow, Russia
- N. I. Pirogov Russian State Medical University, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A V Bykov
- N. I. Pirogov Russian State Medical University, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - G T Sukhikh
- V. I. Kulakov Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, Moscow, Russia
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Planas-Paz L, Orsini V, Boulter L, Calabrese D, Pikiolek M, Nigsch F, Xie Y, Roma G, Donovan A, Marti P, Beckmann N, Dill MT, Carbone W, Bergling S, Isken A, Mueller M, Kinzel B, Yang Y, Mao X, Nicholson TB, Zamponi R, Capodieci P, Valdez R, Rivera D, Loew A, Ukomadu C, Terracciano LM, Bouwmeester T, Cong F, Heim MH, Forbes SJ, Ruffner H, Tchorz JS. The RSPO-LGR4/5-ZNRF3/RNF43 module controls liver zonation and size. Nat Cell Biol. 2016;18:467-479. [PMID: 27088858 DOI: 10.1038/ncb3337] [Citation(s) in RCA: 214] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 03/10/2016] [Indexed: 02/07/2023]
Abstract
LGR4/5 receptors and their cognate RSPO ligands potentiate Wnt/β-catenin signalling and promote proliferation and tissue homeostasis in epithelial stem cell compartments. In the liver, metabolic zonation requires a Wnt/β-catenin signalling gradient, but the instructive mechanism controlling its spatiotemporal regulation is not known. We have now identified the RSPO-LGR4/5-ZNRF3/RNF43 module as a master regulator of Wnt/β-catenin-mediated metabolic liver zonation. Liver-specific LGR4/5 loss of function (LOF) or RSPO blockade disrupted hepatic Wnt/β-catenin signalling and zonation. Conversely, pathway activation in ZNRF3/RNF43 LOF mice or with recombinant RSPO1 protein expanded the hepatic Wnt/β-catenin signalling gradient in a reversible and LGR4/5-dependent manner. Recombinant RSPO1 protein increased liver size and improved liver regeneration, whereas LGR4/5 LOF caused the opposite effects, resulting in hypoplastic livers. Furthermore, we show that LGR4(+) hepatocytes throughout the lobule contribute to liver homeostasis without zonal dominance. Taken together, our results indicate that the RSPO-LGR4/5-ZNRF3/RNF43 module controls metabolic liver zonation and is a hepatic growth/size rheostat during development, homeostasis and regeneration.
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Cildir G, Low KC, Tergaonkar V. Noncanonical NF-κB Signaling in Health and Disease. Trends Mol Med 2016; 22:414-429. [PMID: 27068135 DOI: 10.1016/j.molmed.2016.03.002] [Citation(s) in RCA: 193] [Impact Index Per Article: 24.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 03/14/2016] [Accepted: 03/16/2016] [Indexed: 12/18/2022]
Abstract
Noncanonical NF-κB signaling differs from canonical NF-κB signaling by being activated through different cell surface receptors, cytoplasmic adaptors, and NF-κB dimers. Under normal physiological conditions, this noncanonical pathway has been implicated in diverse biological processes, including lymphoid organogenesis, B cell maturation, osteoclast differentiation, and various functions of other immune cells. Recently, dysfunction of this pathway has also been causally associated with numerous immune-mediated pathologies and human malignancies. Here, we summarize the core elements as well as the recently identified novel regulators of the noncanonical NF-κB signaling pathway. The involvement of this pathway in different pathologies and the potential therapeutic options that are currently envisaged are also discussed.
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Affiliation(s)
- Gökhan Cildir
- Laboratory of NF-κB Signaling, Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore 117597, Singapore
| | - Kee Chung Low
- Laboratory of NF-κB Signaling, Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Vinay Tergaonkar
- Laboratory of NF-κB Signaling, Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore 117597, Singapore; Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia.
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Abstract
Acute-on-chronic liver failure (ACLF) is a distinct clinical entity and differs from acute liver failure and decompensated cirrhosis in timing, presence of acute precipitant, course of disease and potential for unaided recovery. The definition involves outlining the acute and chronic insults to include a homogenous patient group with liver failure and an expected outcome in a specific timeframe. The pathophysiology of ACLF relates to persistent inflammation, immune dysregulation with initial wide-spread immune activation, a state of systematic inflammatory response syndrome and subsequent sepsis due to immune paresis. The disease severity and outcome can be predicted by both hepatic and extrahepatic organ failure(s). Clinical recovery is expected with the use of nucleoside analogues for hepatitis B, and steroids for severe alcoholic hepatitis and, possibly, severe autoimmune hepatitis. Artificial liver support systems help remove toxins and metabolites and serve as a bridge therapy before liver transplantation. Hepatic regeneration during ongoing liver failure, although challenging, is possible through the use of growth factors. Liver transplantation remains the definitive treatment with a good outcome. Pre-emptive antiviral agents for hepatitis B before chemotherapy to prevent viral reactivation and caution in using potentially hepatotoxic drugs can prevent the development of ACLF.
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Affiliation(s)
- Shiv K Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
| | - Ashok Choudhury
- Department of Hepatology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
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Shi WZ, Yan K, Song JH. Cirrhotic liver regeneration after partial hepatectomy. Shijie Huaren Xiaohua Zazhi 2016; 24:215-221. [DOI: 10.11569/wcjd.v24.i2.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The liver is an organ with strong regenerative ability, and its regenerative mechanism is very complex. The liver regenerative process is regulated by various kinds of factors, which coordinate highly, and is also influenced by many other factors. Studies have shown that liver cirrhosis is an important factor affecting liver regeneration, and cirrhotic liver shows significantly impaired regenerative function. Liver cancer frequently occurs following cirrhosis in China, so further definition of the regenerative mechanism after partial hepatectomy in these patients has far-reaching significance for improving their prognosis. Nowadays, most studies on the regulatory mechanism of cirrhotic liver regeneration on focused on different signaling pathways and various related cytokines. This review summarizes the findings of these studies.
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Elchaninov A, Fatkhudinov T, Usman N, Kananykhina E, Arutyunyan I, Makarov A, Bolshakova G, Goldshtein D, Sukhikh G. Molecular Survey of Cell Source Usage during Subtotal Hepatectomy-Induced Liver Regeneration in Rats. PLoS One 2016; 11:e0162613. [PMID: 27631110 PMCID: PMC5025203 DOI: 10.1371/journal.pone.0162613] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 08/11/2016] [Indexed: 02/07/2023] Open
Abstract
Proliferation of hepatocytes is known to be the main process in the hepatectomy-induced liver regrowth; however, in cases of extensive loss it may be insufficient for complete recovery unless supported by some additional sources e.g. mobilization of undifferentiated progenitors. The study was conducted on rat model of 80% subtotal hepatectomy; the objective was to evaluate contributions of hepatocytes and resident progenitor cells to the hepatic tissue recovery via monitoring specific mRNA and/or protein expression levels for a panel of genes implicated in growth, cell differentiation, angiogenesis, and inflammation. Some of the genes showed distinctive temporal expression patterns, which were loosely associated with two waves of hepatocyte proliferation observed at 2 and 7 days after the surgery. Focusing on genes implicated in regulation of the progenitor cell activity, we came across slight increases in expression levels for Sox9 and two genes encoding tumor necrosis factor-like cytokine TWEAK (Tnfsf12) and its receptor Fn14 (Tnfrsf12a). At the same time, no increase in numbers of cytokeratin 19-positive (CK19+) cells was observed in periportal areas, and no CK19+ cells were found in hepatic plates. Since CK19 is thought to be a specific marker of both cholangiocytes and the hepatic progenitor cells, the data indicate a lack of activation of the resident progenitor cells during recovery of hepatic tissue after 80% subtotal hepatectomy. Thus, proliferation of hepatocytes invariably makes the major contribution to the hepatic tissue recovery, although in the cases of subtotal loss this contribution is distinctively modulated. In particular, induction of Sox9 and TWEAK/Fn14 regulatory pathways, conventionally attributed to progenitor cell activation, may incidentally stimulate mitotic activity of hepatocytes.
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Affiliation(s)
- Andrey Elchaninov
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
| | - Timur Fatkhudinov
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
- * E-mail:
| | - Natalia Usman
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
| | - Evgeniya Kananykhina
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
| | - Irina Arutyunyan
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
| | - Andrey Makarov
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
- Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
| | - Galina Bolshakova
- Scientific Research Institute of Human Morphology, 3 Tsurupa Street, Moscow 117418, Russia
| | - Dmitry Goldshtein
- Research Centre of Medical Genetics, 1 Moskvorechie Street, Moscow 115478, Russia
| | - Gennady Sukhikh
- Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
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Fukuda T, Fukuchi T, Yagi S, Shiojiri N. Immunohistochemical analyses of cell cycle progression and gene expression of biliary epithelial cells during liver regeneration after partial hepatectomy of the mouse. Exp Anim 2015; 65:135-46. [PMID: 26633692 PMCID: PMC4873482 DOI: 10.1538/expanim.15-0082] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The liver has a remarkable regeneration capacity, and, after surgical removal of its
mass, the remaining tissue undergoes rapid regeneration through compensatory growth of its
constituent cells. Although hepatocytes synchronously proliferate under the control of
various signaling molecules from neighboring cells, there have been few detailed analyses
on how biliary cells regenerate for their cell population after liver resection. The
present study was undertaken to clarify how biliary cells regenerate after partial
hepatectomy of mice through extensive analyses of their cell cycle progression and gene
expression using immunohistochemical and RT-PCR techniques. When expression of PCNA, Ki67
antigen, topoisomerase IIα and phosphorylated histone H3, which are cell cycle markers,
was immunohistochemically examined during liver regeneration, hepatocytes had a peak of
the S phase and M phase at 48–72 h after resection. By contrast, biliary epithelial cells
had much lower proliferative activity than that of hepatocytes, and their peak of the S
phase was delayed. Mitotic figures were rarely detectable in biliary cells. RT-PCR
analyses of gene expression of biliary markers such as Spp1
(osteopontin), Epcam and Hnf1b demonstrated that they
were upregulated during liver regeneration. Periportal hepatocytes expressed some of
biliary markers, including Spp1 mRNA and protein. Some periportal
hepatocytes had downregulated expression of HNF4α and HNF1α. Gene expression of Notch
signaling molecules responsible for cell fate decision of hepatoblasts to biliary cells
during development was upregulated during liver regeneration. Notch signaling may be
involved in biliary regeneration.
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Affiliation(s)
- Tatsuya Fukuda
- Department of Biology, Faculty of Science, Shizuoka University, Oya 836, Suruga-ku, Shizuoka city, Shizuoka 422-8529, Japan
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Gregorieff A, Liu Y, Inanlou MR, Khomchuk Y, Wrana JL. Yap-dependent reprogramming of Lgr5(+) stem cells drives intestinal regeneration and cancer. Nature 2015; 526:715-8. [PMID: 26503053 DOI: 10.1038/nature15382] [Citation(s) in RCA: 400] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 08/07/2015] [Indexed: 12/15/2022]
Abstract
The gut epithelium has remarkable self-renewal capacity that under homeostatic conditions is driven by Wnt signalling in Lgr5(+) intestinal stem cells (ISCs). However, the mechanisms underlying ISC regeneration after injury remain poorly understood. The Hippo signalling pathway mediates tissue growth and is important for regeneration. Here we demonstrate in mice that Yap, a downstream transcriptional effector of Hippo, is critical for recovery of intestinal epithelium after exposure to ionizing radiation. Yap transiently reprograms Lgr5(+) ISCs by suppressing Wnt signalling and excessive Paneth cell differentiation, while promoting cell survival and inducing a regenerative program that includes Egf pathway activation. Accordingly, growth of Yap-deficient organoids is rescued by the Egfr ligand epiregulin, and we find that non-cell-autonomous production of stromal epiregulin may compensate for Yap loss in vivo. Consistent with key roles for regenerative signalling in tumorigenesis, we further demonstrate that Yap inactivation abolishes adenomas in the Apc(Min) mouse model of colon cancer, and that Yap-driven expansion of Apc(-/-) organoids requires the Egfr module of the Yap regenerative program. Finally, we show that in vivo Yap is required for progression of early Apc mutant tumour-initiating cells, suppresses their differentiation into Paneth cells, and induces a regenerative program and Egfr signalling. Our studies reveal that upon tissue injury, Yap reprograms Lgr5(+) ISCs by inhibiting the Wnt homeostatic program, while inducing a regenerative program that includes activation of Egfr signalling. Moreover, our findings reveal a key role for the Yap regenerative pathway in driving cancer initiation.
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Affiliation(s)
- Alex Gregorieff
- Centre for Systems Biology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada
| | - Yu Liu
- Centre for Systems Biology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.,Department of Molecular Genetics, University of Toronto, Ontario M5S 1A8, Canada
| | - Mohammad R Inanlou
- Centre for Systems Biology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada
| | - Yuliya Khomchuk
- Centre for Systems Biology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada
| | - Jeffrey L Wrana
- Centre for Systems Biology, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.,Department of Molecular Genetics, University of Toronto, Ontario M5S 1A8, Canada
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41
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Rachakonda V, Jadeja RN, Urrunaga NH, Shah N, Ahmad D, Cheng K, Twaddell WS, Raufman JP, Khurana S. M1 Muscarinic Receptor Deficiency Attenuates Azoxymethane-Induced Chronic Liver Injury in Mice. Sci Rep 2015; 5:14110. [PMID: 26374068 PMCID: PMC4571652 DOI: 10.1038/srep14110] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 08/17/2015] [Indexed: 12/19/2022] Open
Abstract
Cholinergic nervous system regulates liver injury. However, the role of M1 muscarinic receptors (M1R) in modulating chronic liver injury is uncertain. To address this gap in knowledge we treated M1R-deficient and WT mice with azoxymethane (AOM) for six weeks and assessed liver injury responses 14 weeks after the last dose of AOM. Compared to AOM-treated WT mice, M1R-deficient mice had attenuated liver nodularity, fibrosis and ductular proliferation, α-SMA staining, and expression of α1 collagen, Tgfβ-R, Pdgf-R, Mmp-2, Timp-1 and Timp-2. In hepatocytes, these findings were associated with reductions of cleaved caspase-3 staining and Tnf-α expression. In response to AOM treatment, M1R-deficient mice mounted a vigorous anti-oxidant response by upregulating Gclc and Nqo1 expression, and attenuating peroxynitrite generation. M1R-deficient mouse livers had increased expression of Trail-R2, a promotor of stellate cell apoptosis; dual staining for TUNNEL and α-SMA revealed increased stellate cells apoptosis in livers from M1R-deficient mice compared to those from WT. Finally, pharmacological inhibition of M1R reduced H2O2-induced hepatocyte apoptosis in vitro. These results indicate that following liver injury, anti-oxidant response in M1R-deficient mice attenuates hepatocyte apoptosis and reduces stellate cell activation, thereby diminishing fibrosis. Therefore, targeting M1R expression and activation in chronic liver injury may provide therapeutic benefit.
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Affiliation(s)
- Vikrant Rachakonda
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Ravirajsinh N Jadeja
- Section of Gastroenterology and Hepatology, Georgia Regents University, Augusta, GA 30912
| | - Nathalie H Urrunaga
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Nirish Shah
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Daniel Ahmad
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Kunrong Cheng
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - William S Twaddell
- Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Jean-Pierre Raufman
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, 21201
| | - Sandeep Khurana
- Section of Gastroenterology and Hepatology, Georgia Regents University, Augusta, GA 30912
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Lanthier N, Rubbia-Brandt L, Lin-Marq N, Clément S, Frossard JL, Goossens N, Hadengue A, Spahr L. Hepatic cell proliferation plays a pivotal role in the prognosis of alcoholic hepatitis. J Hepatol 2015; 63:609-21. [PMID: 25872168 DOI: 10.1016/j.jhep.2015.04.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 03/10/2015] [Accepted: 04/01/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND & AIMS The role of liver progenitor cell (LPC) expansion, known as a marker of disease severity, as well as the impact of macrophage activation on liver regeneration remains unclear in humans. We aimed to characterize the LPC and macrophage compartments in alcoholic hepatitis (AH), as well as gene expression patterns to identify predictors of a good prognosis in this setting. METHODS Immunohistochemical studies for macrophages, proliferative hepatocytes, total and proliferative LPC, as well as whole liver microarray gene expression were performed on baseline liver biopsies of 58 AH patients early after admission. Abstinent cirrhotic patients were used as controls. Patients were qualified as "improvers" or "non-improvers" based on the change in MELD score three months after baseline. RESULTS Compared to controls, AH patients demonstrated a significant expansion of macrophages, invasion of LPC and a higher number of proliferating hepatocytes and LPC. In AH patients, total LPC expansion (total Keratin7(+) cells) was associated with liver disease severity. The group of improvers (n=34) was characterized at baseline by a higher number of proliferating hepatocytes, proliferative LPC (double Keratin7(+)Ki67(+) cells) and liver macrophages as compared to non-improvers (n=24), despite similar clinical and biological variables. Upregulated genes in improvers were associated with cell cycle mitosis together with a major expression of SPINK1. CONCLUSIONS Higher liver macrophage expansion, increased proliferative hepatocyte but also LPC number, as well as an upregulation of cell proliferation-related genes are associated with a favourable outcome. These new findings open novel therapeutic targets in AH.
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Affiliation(s)
- Nicolas Lanthier
- Gastroenterology and Hepatology, University Hospitals and Faculty of Medicine, Geneva, Switzerland; Laboratory of Hepato-Gastroenterology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Laura Rubbia-Brandt
- Clinical Pathology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Nathalie Lin-Marq
- Clinical Pathology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Sophie Clément
- Clinical Pathology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Jean-Louis Frossard
- Gastroenterology and Hepatology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Nicolas Goossens
- Gastroenterology and Hepatology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Antoine Hadengue
- Gastroenterology and Hepatology, University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Laurent Spahr
- Gastroenterology and Hepatology, University Hospitals and Faculty of Medicine, Geneva, Switzerland.
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43
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Chopra M, Brandl A, Siegmund D, Mottok A, Schäfer V, Biehl M, Kraus S, Bäuerlein CA, Ritz M, Mattenheimer K, Schwinn S, Seher A, Grabinger T, Einsele H, Rosenwald A, Brunner T, Beilhack A, Wajant H. Blocking TWEAK-Fn14 interaction inhibits hematopoietic stem cell transplantation-induced intestinal cell death and reduces GVHD. Blood 2015; 126:437-44. [PMID: 26012567 DOI: 10.1182/blood-2015-01-620583] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 05/09/2015] [Indexed: 12/12/2022] Open
Abstract
Inhibition of the tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK)/fibroblast growth factor-inducible 14 (Fn14) system reduces intestinal cell death and disease development in several models of colitis. In view of the crucial role of TNF and intestinal cell death in graft-versus-host disease (GVHD) and the ability of TWEAK to enhance TNF-induced cell death, we tested here the therapeutic potential of Fn14 blockade on allogeneic hematopoietic cell transplantation (allo-HCT)-induced intestinal GVHD. An Fn14-specific blocking human immunoglobulin G1 antibody variant with compromised antibody-dependent cellular cytotoxicity (ADCC) activity strongly inhibited the severity of murine allo-HCT-induced GVHD. Treatment of the allo-HCT recipients with this monoclonal antibody reduced cell death of gastrointestinal cells but neither affected organ infiltration by donor T cells nor cytokine production. Fn14 blockade also inhibited intestinal cell death in mice challenged with TNF. This suggests that the protective effect of Fn14 blockade in allo-HCT is based on the protection of intestinal cells from TNF-induced apoptosis and not due to immune suppression. Importantly, Fn14 blockade showed no negative effect on graft-versus-leukemia/lymphoma (GVL) activity. Thus, ADCC-defective Fn14-blocking antibodies are not only possible novel GVL effect-sparing therapeutics for the treatment of GVHD but might also be useful for the treatment of other inflammatory bowel diseases where TNF-induced cell death is of relevance.
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44
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Tsuruya K, Chikada H, Ida K, Anzai K, Kagawa T, Inagaki Y, Mine T, Kamiya A. A Paracrine Mechanism Accelerating Expansion of Human Induced Pluripotent Stem Cell-Derived Hepatic Progenitor-Like Cells. Stem Cells Dev 2015; 24:1691-702. [PMID: 25808356 DOI: 10.1089/scd.2014.0479] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Hepatic stem/progenitor cells in liver development have a high proliferative potential and the ability to differentiate into both hepatocytes and cholangiocytes. In this study, we focused on the cell surface molecules of human induced pluripotent stem (iPS) cell-derived hepatic progenitor-like cells (HPCs) and analyzed how these molecules modulate expansion of these cells. Human iPS cells were differentiated into immature hepatic lineage cells by cytokines. In addition to hepatic progenitor markers (CD13 and CD133), the cells were coimmunostained for various cell surface markers (116 types). The cells were analyzed by flow cytometry and in vitro colony formation culture with feeder cells. Twenty types of cell surface molecules were highly expressed in CD13(+)CD133(+) cells derived from human iPS cells. Of these molecules, CD221 (insulin-like growth factor receptor), which was expressed in CD13(+)CD133(+) cells, was quickly downregulated after in vitro expansion. The proliferative ability was suppressed by a neutralizing antibody and specific inhibitor of CD221. Overexpression of CD221 increased colony-forming ability. We also found that inhibition of CD340 (erbB2) and CD266 (fibroblast growth factor-inducible 14) signals suppressed proliferation. In addition, both insulin-like growth factor (a ligand of CD221) and tumor necrosis factor-like weak inducer of apoptosis (a ligand of CD266) were provided by feeder cells in our culture system. This study revealed the expression profiles of cell surface molecules in human iPS cell-derived HPCs and that the paracrine interactions between HPCs and other cells through specific receptors are important for proliferation.
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Affiliation(s)
- Kota Tsuruya
- 1 Laboratory of Stem Cell Therapy, Institute of Innovative Science and Technology, Tokai University , Isehara, Japan .,2 Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Tokai University , Isehara, Japan
| | - Hiromi Chikada
- 1 Laboratory of Stem Cell Therapy, Institute of Innovative Science and Technology, Tokai University , Isehara, Japan
| | - Kinuyo Ida
- 1 Laboratory of Stem Cell Therapy, Institute of Innovative Science and Technology, Tokai University , Isehara, Japan
| | - Kazuya Anzai
- 1 Laboratory of Stem Cell Therapy, Institute of Innovative Science and Technology, Tokai University , Isehara, Japan .,2 Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Tokai University , Isehara, Japan
| | - Tatehiro Kagawa
- 2 Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Tokai University , Isehara, Japan
| | - Yutaka Inagaki
- 3 Department of Regenerative Medicine, School of Medicine and Center for Matrix Biology and Medicine, Graduate School of Medicine, Tokai University , Isehara, Japan
| | - Tetsuya Mine
- 2 Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Tokai University , Isehara, Japan
| | - Akihide Kamiya
- 1 Laboratory of Stem Cell Therapy, Institute of Innovative Science and Technology, Tokai University , Isehara, Japan
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Best J, Manka P, Syn WK, Dollé L, van Grunsven LA, Canbay A. Role of liver progenitors in liver regeneration. Hepatobiliary Surg Nutr 2015; 4:48-58. [PMID: 25713804 DOI: 10.3978/j.issn.2304-3881.2015.01.16] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 01/20/2015] [Indexed: 12/16/2022]
Abstract
During massive liver injury and hepatocyte loss, the intrinsic regenerative capacity of the liver by replication of resident hepatocytes is overwhelmed. Treatment of this condition depends on the cause of liver injury, though in many cases liver transplantation (LT) remains the only curative option. LT for end stage chronic and acute liver diseases is hampered by shortage of donor organs and requires immunosuppression. Hepatocyte transplantation is limited by yet unresolved technical difficulties. Since currently no treatment is available to facilitate liver regeneration directly, therapies involving the use of resident liver stem or progenitor cells (LPCs) or non-liver stem cells are coming to fore. LPCs are quiescent in the healthy liver, but may be activated under conditions where the regenerative capacity of mature hepatocytes is severely impaired. Non-liver stem cells include embryonic stem cells (ES cells) and mesenchymal stem cells (MSCs). In the first section, we aim to provide an overview of the role of putative cytokines, growth factors, mitogens and hormones in regulating LPC response and briefly discuss the prognostic value of the LPC response in clinical practice. In the latter section, we will highlight the role of other (non-liver) stem cells in transplantation and discuss advantages and disadvantages of ES cells, induced pluripotent stem cells (iPS), as well as MSCs.
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Affiliation(s)
- Jan Best
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
| | - Paul Manka
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
| | - Wing-Kin Syn
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
| | - Laurent Dollé
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
| | - Leo A van Grunsven
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
| | - Ali Canbay
- 1 Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany ; 2 Liver Cell Biology Lab, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium ; 3 Regeneration and Repair, The Institute of Hepatology, Foundation for Liver Research, London, UK ; 4 Liver Unit, Barts Health NHS Trust, London, UK ; 5 Department of Surgery, Loyola University Chicago, USA
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Zou Y, Hu M, Lee J, Nambiar SM, Garcia V, Bao Q, Chan JY, Dai G. Nrf2 is essential for timely M phase entry of replicating hepatocytes during liver regeneration. Am J Physiol Gastrointest Liver Physiol 2015; 308:G262-8. [PMID: 25524062 PMCID: PMC4329475 DOI: 10.1152/ajpgi.00332.2014] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) regulates various cellular activities, including redox balance, detoxification, metabolism, autophagy, proliferation, and apoptosis. Several studies have demonstrated that Nrf2 regulates hepatocyte proliferation during liver regeneration. The aim of this study was to investigate how Nrf2 modulates the cell cycle of replicating hepatocytes in regenerating livers. Wild-type and Nrf2 null mice were subjected to 2/3 partial hepatectomy (PH) and killed at multiple time points for various analyses. Nrf2 null mice exhibited delayed liver regrowth, although the lost liver mass was eventually restored 7 days after PH. Nrf2 deficiency did not affect the number of hepatocytes entering the cell cycle but did delay hepatocyte mitosis. Mechanistically, the lack of Nrf2 resulted in increased mRNA and protein levels of hepatic cyclin A2 when the remaining hepatocytes were replicating in response to PH. Moreover, Nrf2 deficiency in regenerating livers caused dysregulation of Wee1, Cdc2, and cyclin B1 mRNA and protein expression, leading to decreased Cdc2 activity. Thus, Nrf2 is required for timely M phase entry of replicating hepatocytes by ensuring proper regulation of cyclin A2 and the Wee1/Cdc2/cyclin B1 pathway during liver regeneration.
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Affiliation(s)
- Yuhong Zou
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
| | - Min Hu
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana; ,2Department of Pathology, Anhui University of Traditional Chinese Medicine, Hefei, China; and
| | - Joonyong Lee
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
| | - Shashank Manohar Nambiar
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
| | - Veronica Garcia
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
| | - Qi Bao
- 1Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
| | - Jefferson Y. Chan
- 3Pathology and Laboratory Medicine, School of Medicine, University of California, Irvine, California
| | - Guoli Dai
- Department of Biology, School of Science, Center for Regenerative Biology and Medicine, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana;
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Karaca G, Xie G, Moylan C, Swiderska-Syn M, Guy CD, Krüger L, Machado MV, Choi SS, Michelotti GA, Burkly LC, Diehl AM. Role of Fn14 in acute alcoholic steatohepatitis in mice. Am J Physiol Gastrointest Liver Physiol 2015; 308:G325-34. [PMID: 25524063 PMCID: PMC4329478 DOI: 10.1152/ajpgi.00429.2013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
TNF-like weak inducer of apoptosis (TWEAK) is a growth factor for bipotent liver progenitors that express its receptor, fibroblast growth factor-inducible 14 (Fn14), a TNF receptor superfamily member. Accumulation of Fn14(+) progenitors occurs in severe acute alcoholic steatohepatitis (ASH) and correlates with acute mortality. In patients with severe ASH, inhibition of TNF-α increases acute mortality. The aim of this study was to determine whether deletion of Fn14 improves the outcome of liver injury in alcohol-consuming mice. Wild-type (WT) and Fn14 knockout (KO) mice were fed control high-fat Lieber deCarli diet or high-fat Lieber deCarli diet with 2% alcohol (ETOH) and injected intraperitoneally with CCl₄ for 2 wk to induce liver injury. Mice were euthanized 3 or 10 days after CCl₄ treatment. Survival was assessed. Liver tissues were analyzed for cell death, inflammation, proliferation, progenitor accumulation, and fibrosis by quantitative RT-PCR, immunoblot, hydroxyproline content, and quantitative immunohistochemistry. During liver injury, Fn14 expression, apoptosis, inflammation, hepatocyte replication, progenitor and myofibroblast accumulation, and fibrosis increased in WT mice fed either diet. Mice fed either diet expressed similar TWEAK/Fn14 levels, but ETOH-fed mice had higher TNF-α expression. The ETOH-fed group developed more apoptosis, inflammation, fibrosis, and regenerative responses. Fn14 deletion did not reduce hepatic TNF-α expression but improved all injury parameters in mice fed the control diet. In ETOH-fed mice, Fn14 deletion inhibited TNF-α induction and increased acute mortality, despite improvement in liver injury. Fn14 mediates wound-healing responses that are necessary to survive acute liver injury during alcohol exposure.
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Affiliation(s)
- Gamze Karaca
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Guanhua Xie
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Cynthia Moylan
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Marzena Swiderska-Syn
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Cynthia D. Guy
- 2Department of Pathology, Duke University Medical Center, Durham, North Carolina;
| | - Leandi Krüger
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Mariana Verdelho Machado
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Steve S. Choi
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina; ,3Section of Gastroenterology, Durham Veterans Affairs Medical Center, Durham, North Carolina; and
| | - Gregory A. Michelotti
- 1Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
| | - Linda C. Burkly
- 4Department of Immunology, Biogen Idec, Inc., Cambridge, Massachusetts
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, North Carolina;
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Cicchini C, Amicone L, Alonzi T, Marchetti A, Mancone C, Tripodi M. Molecular mechanisms controlling the phenotype and the EMT/MET dynamics of hepatocyte. Liver Int 2015; 35:302-10. [PMID: 24766136 PMCID: PMC4344819 DOI: 10.1111/liv.12577] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 04/19/2014] [Indexed: 02/06/2023]
Abstract
The complex spatial and paracrine relationships between the various liver histotypes are essential for proper functioning of the hepatic parenchymal cells. Only within a correct tissue organization, in fact, they stably maintain their identity and differentiated phenotype. The loss of histotype identity, which invariably occurs in the primary hepatocytes in culture, or in vivo in particular pathological conditions (fibrosis and tumours), is mainly because of the phenomenon of epithelial-to-mesenchymal transition (EMT). The EMT process, that occurs in the many epithelial cells, appears to be driven by a number of general, non-tissue-specific, master transcriptional regulators. The reverse process, the mesenchymal-to-epithelial transition (MET), as yet much less characterized at a molecular level, restores specific epithelial identities, and thus must include tissue-specific master elements. In this review, we will summarize the so far unveiled events of EMT/MET occurring in liver cells. In particular, we will focus on hepatocyte and describe the pivotal role in the control of EMT/MET dynamics exerted by a tissue-specific molecular mini-circuitry. Recent evidence, indeed, highlighted as two transcriptional factors, the master gene of EMT Snail, and the master gene of hepatocyte differentiation HNF4α, exhorting a direct reciprocal repression, act as pivotal elements in determining opposite cellular outcomes. The different balances between these two master regulators, further integrated by specific microRNAs, in fact, were found responsible for the EMT/METs dynamics as well as for the preservation of both hepatocyte and stem/precursor cells identity and differentiation. Overall, these findings impact the maintenance of stem cells and differentiated cells both in in vivo EMT/MET physio-pathological processes as well as in culture.
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Affiliation(s)
- Carla Cicchini
- Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Cellular Biotechnologies and Haematology, Sapienza University of RomeRome, Italy
| | - Laura Amicone
- Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Cellular Biotechnologies and Haematology, Sapienza University of RomeRome, Italy
| | - Tonino Alonzi
- National Institute for Infectious Diseases L. Spallanzani, IRCCSRome, Italy
| | - Alessandra Marchetti
- Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Cellular Biotechnologies and Haematology, Sapienza University of RomeRome, Italy
| | - Carmine Mancone
- National Institute for Infectious Diseases L. Spallanzani, IRCCSRome, Italy
| | - Marco Tripodi
- Istituto Pasteur-Fondazione Cenci Bolognetti, Department of Cellular Biotechnologies and Haematology, Sapienza University of RomeRome, Italy,National Institute for Infectious Diseases L. Spallanzani, IRCCSRome, Italy
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Lee SK, Lee SC, Kim SJ. A novel cell-free strategy for promoting mouse liver regeneration: utilization of a conditioned medium from adipose-derived stem cells. Hepatol Int 2014; 9:310-20. [PMID: 25788187 DOI: 10.1007/s12072-014-9599-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Accepted: 12/03/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND Although stem cells have beneficial effects, their clinical application faces many issues, including high cost and safety. Because stem cell plasty is largely based on their paracrine activity, this study aimed to test the hypothesis that utilization of the stem-cell secretome instead of actual cells would not only overcome these limitations, but also have similar effects as stem cell-based therapy. METHODS Partial hepatectomized mice were divided into four groups according to the material administered via the tail vein: normal saline (saline group); 1.0 × 10(6) human adipose tissue-derived stem cells (ASCs) in 0.1 mL saline (ASC group); 25-fold concentrated conditioned medium from ASCs (ASC-secretome group); and concentrated medium (media group). Specimens were obtained postoperatively. Liver regeneration was estimated by bromodeoxyuridine incorporation, Lgr5 RT-PCR, proliferating cell nuclear antigen western blot, and liver weights, and liver function was estimated by albumin immunohistochemistry and liver function tests. RESULTS The liver regenerative capacities of the ASC and ASC-secretome groups were not statistically different from each other, but were higher than their respective control groups. Moreover, the ASC and ASC-secretome groups promoted the phosphorylation of Akt, STAT3, and Erk1/2, and expressed higher levels of mouse albumin in immunohistochemistry. CONCLUSION ASCs and ASC-secretome infusions to the partially hepatectomized mice produced similar outcomes in terms of liver regeneration and mouse albumin expression. Therefore, cell-free therapy, which is based on the paracrine properties of stem cells, is expected to overcome the limitations of cell-based methods and to provide a novel treatment for liver diseases.
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Affiliation(s)
- Sang Kuon Lee
- Department of Surgery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daeheung-dong 520-2, Joong-gu, Daejeon, Republic of Korea,
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Katoonizadeh A, Poustchi H, Malekzadeh R. Hepatic progenitor cells in liver regeneration: current advances and clinical perspectives. Liver Int 2014; 34:1464-72. [PMID: 24750779 DOI: 10.1111/liv.12573] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 04/17/2014] [Indexed: 12/12/2022]
Abstract
When there is a massive loss of hepatocytes and/or an inhibition in the proliferative capacity of the mature hepatocytes, activation of a dormant cell population of resident hepatic progenitor cells (HPCs) occurs. Depending on the type of liver damage HPCs generate new hepatocytes and biliary cells to repopulate the liver placing them as potential candidates for cell therapy in human liver failure. Liver injury specific mechanisms through which HPCs differentiate towards mature epithelial cell types are recently become understood. Such new insights will enable us not only to direct HPCs behaviour for therapeutic purposes, but also to develop clinically feasible methods for in vivo differentiation of other stem cell types towards functional hepatocytes. This review aimed to provide the current improved knowledge of the role of HPCs niche and its signals in directing the behaviour and fate of HPCs and to translate this basic knowledge of HPCs activation/differentiation into its clinical applications.
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Affiliation(s)
- Aezam Katoonizadeh
- Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Center, Tehran University of Medical Sciences, Tehran, Iran
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