1
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He T, Geng X, Zhu L, Lin X, Wang L. Type II Crigler-Najjar syndrome: a case report and literature review. Front Med (Lausanne) 2024; 11:1354514. [PMID: 38784231 PMCID: PMC11112071 DOI: 10.3389/fmed.2024.1354514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/16/2024] [Indexed: 05/25/2024] Open
Abstract
Background Crigler-Najjar syndrome (CNS) is caused by mutations in uridine 5'-diphosphate glucuronyltransferase (UGT1A1) resulting in enzyme deficiency and hyperbilirubinemia. Type II CNS patients could respond to phenobarbital treatment and survive. This study presents a rare case of type II CNS. Case summary The proband was a 29-year-old male patient admitted with severe jaundice. A hepatic biopsy showed bullous steatosis of the peri-central veins of the hepatic lobule, sediment of bile pigment, and mild periportal inflammation with normal liver plate structure. The type II CNS was diagnosed by routine genomic sequencing which found that the proband with the Gry71Arg/Tyr486Asp compound heterozygous mutations in the UGT1A1 gene. After treatment with phenobarbital (180 mg/day), his bilirubin levels fluctuated between 100 and 200 μmol/L for 6 months and without severe icterus. Conclusion Type II CNS could be diagnosed by routine gene sequencing and treated by phenobarbital.
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Affiliation(s)
| | | | - Lei Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | | | - Lixia Wang
- Department of Gastroenterology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
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2
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ten Dam MJ, Frederix GW, ten Ham RM, van der Laan LJ, Schneeberger K. Toward Transplantation of Liver Organoids: From Biology and Ethics to Cost-effective Therapy. Transplantation 2023; 107:1706-1717. [PMID: 36757819 PMCID: PMC10358442 DOI: 10.1097/tp.0000000000004520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 11/25/2022] [Accepted: 12/15/2022] [Indexed: 02/10/2023]
Abstract
Liver disease is a common cause of morbidity and mortality, and many patients would benefit from liver transplantation. However, because of a shortage of suitable donor livers, even of those patients who are placed on the donor liver waiting list, many do not survive the waiting time for transplantation. Therefore, alternative treatments for end-stage liver disease need to be explored. Recent advances in organoid technology might serve as a solution to overcome the donor liver shortage in the future. In this overview, we highlight the potential of organoid technology for cell therapy and tissue engineering approaches. Both organoid-based approaches could be used as treatment for end-stage liver disease patients. Additionally, organoid-based cell therapy can also be used to repair liver grafts ex vivo to increase the supply of transplantable liver tissue. The potential of both approaches to become clinically available is carefully assessed, including their clinical, ethical, and economic implications. We provide insight into what aspects should be considered further to allow alternatives to donor liver transplantation to be successfully clinically implemented.
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Affiliation(s)
- Marjolein J.M. ten Dam
- Department Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Geert W.J. Frederix
- Department of Public Health, Healthcare Innovation and Evaluation and Medical Humanities, Julius Center, Utrecht University, Utrecht, The Netherlands
| | - Renske M.T. ten Ham
- Department of Public Health, Healthcare Innovation and Evaluation and Medical Humanities, Julius Center, Utrecht University, Utrecht, The Netherlands
| | - Luc J.W. van der Laan
- Department of Surgery, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
| | - Kerstin Schneeberger
- Department Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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3
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Giuli L, Santopaolo F, Pallozzi M, Pellegrino A, Coppola G, Gasbarrini A, Ponziani FR. Cellular therapies in liver and pancreatic diseases. Dig Liver Dis 2023; 55:563-579. [PMID: 36543708 DOI: 10.1016/j.dld.2022.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/21/2022] [Accepted: 11/22/2022] [Indexed: 04/29/2023]
Abstract
Over the past two decades, developments in regenerative medicine in gastroenterology have been greatly enhanced by the application of stem cells, which can self-replicate and differentiate into any somatic cell. The discovery of induced pluripotent stem cells has opened remarkable perspectives on tissue regeneration, including their use as a bridge to transplantation or as supportive therapy in patients with organ failure. The improvements in DNA manipulation and gene editing strategies have also allowed to clarify the physiopathology and to correct the phenotype of several monogenic diseases, both in vivo and in vitro. Further progress has been made with the development of three-dimensional cultures, known as organoids, which have demonstrated morphological and functional complexity comparable to that of a miniature organ. Hence, owing to its protean applications and potential benefits, cell and organoid transplantation has become a hot topic for the management of gastrointestinal diseases. In this review, we describe current knowledge on cell therapies in hepatology and pancreatology, providing insight into their future applications in regenerative medicine.
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Affiliation(s)
- Lucia Giuli
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Francesco Santopaolo
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Maria Pallozzi
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Antonio Pellegrino
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Gaetano Coppola
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Antonio Gasbarrini
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Università Cattolica del Sacro Cuore, Rome, Italy.
| | - Francesca Romana Ponziani
- Internal Medicine and Gastroenterology, Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Università Cattolica del Sacro Cuore, Rome, Italy
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4
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Cellular Therapies in Pediatric Liver Diseases. Cells 2022; 11:cells11162483. [PMID: 36010561 PMCID: PMC9406752 DOI: 10.3390/cells11162483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/30/2022] [Accepted: 08/06/2022] [Indexed: 11/16/2022] Open
Abstract
Liver transplantation is the gold standard for the treatment of pediatric end-stage liver disease and liver based metabolic disorders. Although liver transplant is successful, its wider application is limited by shortage of donor organs, surgical complications, need for life long immunosuppressive medication and its associated complications. Cellular therapies such as hepatocytes and mesenchymal stromal cells (MSCs) are currently emerging as an attractive alternative to liver transplantation. The aim of this review is to present the existing world experience in hepatocyte and MSC transplantation and the potential for future effective applications of these modalities of treatment.
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5
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Anand H, Nulty J, Dhawan A. Cell therapy in congenital inherited hepatic disorders. Best Pract Res Clin Gastroenterol 2021; 56-57:101772. [PMID: 35331403 DOI: 10.1016/j.bpg.2021.101772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/18/2021] [Accepted: 10/27/2021] [Indexed: 01/31/2023]
Abstract
Congenital inherited hepatic disorders (CIHDs) are a set of diverse and heterogeneous group of genetic disorders leading to a defect in an enzyme or transporter. Most of these disorders are currently treated by liver transplantation as standard of care. Improved surgical techniques and post-operative care has led to a wider availability and success of liver transplantation program worldwide. However liver transplantation has its own limitations due to invasive surgery and lifelong use of immunosuppressive agents. Our experience from auxiliary liver transplantation (where right or the left lobe of the patient liver is replaced with a healthy liver donor) demonstrated successful treatment of the underlying defect of noncirrhotic metabolic disorder suggesting that whole liver replacement may not be necessary to achieve a change in phenotype. Large number of animal studies in human models of CIHD have shown success of hepatocyte transplantation leading to its human use. This review addresses the current state of human hepatocyte transplantation in the management of CIHDs with bottlenecks to its wider application and future perspectives.
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Affiliation(s)
- Hanish Anand
- King's College Hospital NHS Trust: King's College Hospital NHS Foundation Trust, United Kingdom; DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - Jessica Nulty
- King's College Hospital NHS Trust: King's College Hospital NHS Foundation Trust, United Kingdom; DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - Anil Dhawan
- King's College Hospital NHS Trust: King's College Hospital NHS Foundation Trust, United Kingdom; DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK.
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6
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Peng WC, Kraaier LJ, Kluiver TA. Hepatocyte organoids and cell transplantation: What the future holds. Exp Mol Med 2021; 53:1512-1528. [PMID: 34663941 PMCID: PMC8568948 DOI: 10.1038/s12276-021-00579-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 12/29/2022] Open
Abstract
Historically, primary hepatocytes have been difficult to expand or maintain in vitro. In this review, we will focus on recent advances in establishing hepatocyte organoids and their potential applications in regenerative medicine. First, we provide a background on the renewal of hepatocytes in the homeostatic as well as the injured liver. Next, we describe strategies for establishing primary hepatocyte organoids derived from either adult or fetal liver based on insights from signaling pathways regulating hepatocyte renewal in vivo. The characteristics of these organoids will be described herein. Notably, hepatocyte organoids can adopt either a proliferative or a metabolic state, depending on the culture conditions. Furthermore, the metabolic gene expression profile can be modulated based on the principles that govern liver zonation. Finally, we discuss the suitability of cell replacement therapy to treat different types of liver diseases and the current state of cell transplantation of in vitro-expanded hepatocytes in mouse models. In addition, we provide insights into how the regenerative microenvironment in the injured host liver may facilitate donor hepatocyte repopulation. In summary, transplantation of in vitro-expanded hepatocytes holds great potential for large-scale clinical application to treat liver diseases.
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Affiliation(s)
- Weng Chuan Peng
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands.
| | - Lianne J Kraaier
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands
| | - Thomas A Kluiver
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands
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7
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Ghorbani MJ, Dehghani SM. Update on a previously reported missense mutation: The c.1160 C>A mutation in the UGT1A1 gene result in Crigler-Najjar syndrome type 1. Mol Genet Genomic Med 2021; 9:e1805. [PMID: 34545702 PMCID: PMC8606201 DOI: 10.1002/mgg3.1805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
| | - Seyed Mohsen Dehghani
- Gastroenterohepatology Research Center, Nemazee Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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8
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Ghorbani MJ, Dehghani SM. A novel deletion mutation (c.749 del C) in the UGT1A1 gene as a cause of Crigler-Najjar syndrome type 1: A case report. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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9
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Papatheodoridi M, Mazza G, Pinzani M. Regenerative hepatology: In the quest for a modern prometheus? Dig Liver Dis 2020; 52:1106-1114. [PMID: 32868215 DOI: 10.1016/j.dld.2020.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/30/2020] [Accepted: 08/03/2020] [Indexed: 12/11/2022]
Abstract
As liver-related morbidity and mortality is rising worldwide and orthotopic liver transplantation (OLT) remains the only standard-of-care for end-stage liver disease or acute liver failure, shortage of donor organs is becoming more prominent. Importantly, advances in regenerative Hepatology and liver bioengineering are bringing new hope to the possibility of restoring impaired hepatic functionality in the presence of acute or chronic liver failure. Hepatocyte transplantation and artificial liver-support systems were the first strategies used in regenerative hepatology but have presented various types of efficiency limitations restricting their widespread use. In parallel, liver bioengineering has been a rapidly developing field bringing continuously novel advancements in biomaterials, three dimensional (3D) scaffolds, cell sources and relative methodologies for creating bioengineered liver tissue. The current major task in liver bioengineering is to build small implantable liver mass for treating inherited metabolic disorders, bioengineered bile ducts for congenital biliary defects and large bioengineered liver organs for transplantation, as substitutes to donor-organs, in cases of acute or acute-on-chronic liver failure. This review aims to summarize the state-of-the-art and upcoming technologies of regenerative Hepatology that are emerging as promising alternatives to the current standard-of care in liver disease.
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Affiliation(s)
- Margarita Papatheodoridi
- Sheila Sherlock Liver Unit, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Giuseppe Mazza
- Sheila Sherlock Liver Unit, Institute for Liver and Digestive Health, University College London, London, United Kingdom
| | - Massimo Pinzani
- Sheila Sherlock Liver Unit, Institute for Liver and Digestive Health, University College London, London, United Kingdom.
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10
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Safarikia S, Carpino G, Overi D, Cardinale V, Venere R, Franchitto A, Onori P, Alvaro D, Gaudio E. Distinct EpCAM-Positive Stem Cell Niches Are Engaged in Chronic and Neoplastic Liver Diseases. Front Med (Lausanne) 2020; 7:479. [PMID: 32984373 PMCID: PMC7492539 DOI: 10.3389/fmed.2020.00479] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022] Open
Abstract
In normal human livers, EpCAMpos cells are mostly restricted in two distinct niches, which are (i) the bile ductules and (ii) the mucous glands present inside the wall of large intrahepatic bile ducts (the so-called peribiliary glands). These EpCAMpos cell niches have been proven to harbor stem/progenitor cells with great importance in liver and biliary tree regeneration and in the pathophysiology of human diseases. The EpCAMpos progenitor cells within bile ductules are engaged in driving regenerative processes in chronic diseases affecting hepatocytes or interlobular bile ducts. The EpCAMpos population within peribiliary glands is activated when regenerative needs are finalized to repair large intra- or extra-hepatic bile ducts affected by chronic pathologies, including primary sclerosing cholangitis and ischemia-induced cholangiopathies after orthotopic liver transplantation. Finally, the presence of distinct EpCAMpos cell populations may explain the histological and molecular heterogeneity characterizing cholangiocarcinoma, based on the concept of multiple candidate cells of origin. This review aimed to describe the precise anatomical distribution of EpCAMpos populations within the liver and the biliary tree and to discuss their contribution in the pathophysiology of human liver diseases, as well as their potential role in regenerative medicine of the liver.
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Affiliation(s)
- Samira Safarikia
- Department of Precision and Translational Medicine, Sapienza University of Rome, Rome, Italy
| | - Guido Carpino
- Department of Movement, Human and Health Sciences, Division of Health Sciences, University of Rome "Foro Italico," Rome, Italy
| | - Diletta Overi
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
| | - Vincenzo Cardinale
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Rosanna Venere
- Department of Precision and Translational Medicine, Sapienza University of Rome, Rome, Italy
| | - Antonio Franchitto
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
| | - Paolo Onori
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
| | - Domenico Alvaro
- Department of Precision and Translational Medicine, Sapienza University of Rome, Rome, Italy
| | - Eugenio Gaudio
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
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11
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Phase I/II Trial of Liver-derived Mesenchymal Stem Cells in Pediatric Liver-based Metabolic Disorders: A Prospective, Open Label, Multicenter, Partially Randomized, Safety Study of One Cycle of Heterologous Human Adult Liver-derived Progenitor Cells (HepaStem) in Urea Cycle Disorders and Crigler-Najjar Syndrome Patients. Transplantation 2020; 103:1903-1915. [PMID: 30801523 DOI: 10.1097/tp.0000000000002605] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Regenerative medicine using stem cell technology is an emerging field that is currently tested for inborn and acquired liver diseases. OBJECTIVE This phase I/II prospective, open label, multicenter, randomized trial aimed primarily at evaluating the safety of Heterologous Human Adult Liver-derived Progenitor Cells (HepaStem) in pediatric patients with urea cycle disorders (UCDs) or Crigler-Najjar (CN) syndrome 6 months posttransplantation. The secondary objective included the assessment of safety up to 12 months postinfusion and of preliminary efficacy. METHODS Fourteen patients with UCDs and 6 with CN syndrome were divided into 3 cohorts by body weight and intraportally infused with 3 doses of HepaStem. Clinical status, portal vein hemodynamics, morphology of the liver, de novo detection of circulating anti-human leukocyte antigen antibodies, and clinically significant adverse events (AEs) and serious adverse events to infusion were evaluated by using an intent-to-treat analysis. RESULTS The overall safety of HepaStem was confirmed. For the entire study period, patient-month incidence rate was 1.76 for the AEs and 0.21 for the serious adverse events, of which 38% occurred within 1 month postinfusion. There was a trend of higher events in UCD as compared with CN patients. Segmental left portal vein thrombosis occurred in 1 patient and intraluminal local transient thrombus in a second patient. The other AEs were in line with expectations for catheter placement, cell infusion, concomitant medications, age, and underlying diseases. CONCLUSIONS This study led to European clinical trial authorization for a phase II study in a homogeneous patient cohort, with repeated infusions and intermediate doses.
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12
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Ultrasound-guided in Utero Transplantation of Placental Stem Cells into the Liver of Crigler-Najjar Syndrome Model Rat. Transplantation 2020; 103:e182-e187. [PMID: 30985583 DOI: 10.1097/tp.0000000000002735] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Advances in prenatal screening and early diagnosis of genetic disease will potentially allow for preemptive treatment of anticipated postnatal disease by in utero cell transplantation (IUCT). This strategy carries potential benefits over postnatal treatment, which might allow for improved engraftment and function of the transplanted cells. Congenital metabolic disorders may be an ideal target for this type of therapy, as in most cases, they require replacement of a single deficient hepatic enzyme, and multiple small-animal models exist for preclinical testing. METHODS The Gunn rat, a Crigler-Najjar syndrome model animal lacking UDP-glucuronosyltransferase (UGT1A1), was used as recipient. Human amniotic epithelial cells (hAECs), which possess hepatic differentiation potential, were transplanted into the midgestation fetal Gunn rat liver via ultrasound-guided IUCT. The impact of IUCT on live birth and postnatal survival was evaluated. Human cell engraftment was immunohistochemically analyzed on postnatal day 21. RESULTS Ultrasound-guided IUCT was conducted in rat fetuses on embryonic day 16. Following IUCT, the antihuman mitochondria-positive cells were detected in the liver of recipient rats at postnatal day 21. CONCLUSIONS Here, we have introduced ultrasound-guided IUCT of hAEC using a small-animal model of a congenital metabolic disorder without immunosuppression. The immunological advantage of IUCT was demonstrated with xenogeneic IUCT. This procedure is suitable to conduct preclinical studies for exploring the feasibility and efficacy of ultrasound-guided transuterine cell injection using rodent disease models.
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Nguyen MP, Jain V, Iansante V, Mitry RR, Filippi C, Dhawan A. Clinical application of hepatocyte transplantation: current status, applicability, limitations, and future outlook. Expert Rev Gastroenterol Hepatol 2020; 14:185-196. [PMID: 32098516 DOI: 10.1080/17474124.2020.1733975] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Introduction: Hepatocyte transplantation (HT) is a promising alternative to liver transplantation for the treatment of liver-based metabolic diseases and acute liver failure (ALF). However, shortage of good-quality liver tissues, early cell loss post-infusion, reduced cell engraftment and function restricts clinical application.Areas covered: A comprehensive literature search was performed to cover pre-clinical and clinical HT studies. The review discusses the latest developments to address HT limitations: cell sources from marginal/suboptimal donors to neonatal livers, differentiating pluripotent stem cells into hepatocyte-like cells, in vitro expansion, prevention of immune response to transplanted cells by encapsulation or using innate immunity-inhibiting agents, and enhancing engraftment through partial hepatectomy or irradiation.Expert opinion: To date, published data are highly encouraging specially the alginate-encapsulated hepatocyte treatment of children with ALF. Hepatocyte functions can be further improved through co-culturing with mesenchymal stromal cells. Moreover, ex-vivo genetic correction will enable the use of autologous cells in future personalized medicine.
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Affiliation(s)
- Minh Phuong Nguyen
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - Vandana Jain
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - Valeria Iansante
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - Ragai R Mitry
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - Celine Filippi
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - Anil Dhawan
- Dhawan Lab. at the Mowat Labs, Institute of Liver Studies, King's College Hospital, London, United Kingdom
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14
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Famulari ES, Navarro-Tableros V, Herrera Sanchez MB, Bortolussi G, Gai M, Conti L, Silengo L, Tolosano E, Tetta C, Muro AF, Camussi G, Fagoonee S, Altruda F. Human liver stem cells express UGT1A1 and improve phenotype of immunocompromised Crigler Najjar syndrome type I mice. Sci Rep 2020; 10:887. [PMID: 31965023 PMCID: PMC6972964 DOI: 10.1038/s41598-020-57820-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 01/07/2020] [Indexed: 01/06/2023] Open
Abstract
Crigler Najjar Syndrome type I (CNSI) is a rare recessive disorder caused by mutations in the Ugt1a1 gene. There is no permanent cure except for liver transplantation, and current therapies present several shortcomings. Since stem cell-based therapy offers a promising alternative for the treatment of this disorder, we evaluated the therapeutic potential of human liver stem cells (HLSC) in immune-compromised NOD SCID Gamma (NSG)/Ugt1−/− mice, which closely mimic the pathological manifestations in CNSI patients. To assess whether HLSC expressed UGT1A1, decellularised mouse liver scaffolds were repopulated with these cells. After 15 days’ culture ex vivo, HLSC differentiated into hepatocyte-like cells showing UGT1A1 expression and activity. For the in vivo human cell engraftment and recovery experiments, DiI-labelled HLSC were injected into the liver of 5 days old NSG/Ugt1−/− pups which were analysed at postnatal Day 21. HLSC expressed UGT1A1 in vivo, induced a strong decrease in serum unconjugated bilirubin, thus significantly improving phenotype and survival compared to untreated controls. A striking recovery from brain damage was also observed in HLSC-injected mutant mice versus controls. Our proof-of-concept study shows that HLSC express UGT1A1 in vivo and improve the phenotype and survival of NSG/Ugt1−/− mice, and show promises for the treatment of CNSI.
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Affiliation(s)
- Elvira Smeralda Famulari
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Victor Navarro-Tableros
- 2i3T - Società per la gestione dell'incubatore di imprese e per il trasferimento tecnologico dell'Università degli studi di Torino, Scarl and Molecular Biotechnology Center, Turin, Italy
| | - Maria Beatriz Herrera Sanchez
- 2i3T - Società per la gestione dell'incubatore di imprese e per il trasferimento tecnologico dell'Università degli studi di Torino, Scarl and Molecular Biotechnology Center, Turin, Italy
| | - Giulia Bortolussi
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Marta Gai
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Laura Conti
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Lorenzo Silengo
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy.,Institute of Biostructure and Bioimaging, CNR c/o Molecular Biotechnology Center, Turin, Italy
| | - Emanuela Tolosano
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | | | - Andrés Fernando Muro
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Sharmila Fagoonee
- Institute of Biostructure and Bioimaging, CNR c/o Molecular Biotechnology Center, Turin, Italy.
| | - Fiorella Altruda
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy. .,Institute of Biostructure and Bioimaging, CNR c/o Molecular Biotechnology Center, Turin, Italy.
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15
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Siefert J, Hillebrandt KH, Moosburner S, Podrabsky P, Geisel D, Denecke T, Unger JK, Sawitzki B, Gül-Klein S, Lippert S, Tang P, Reutzel-Selke A, Morgul MH, Reske AW, Kafert-Kasting S, Rüdinger W, Oetvoes J, Pratschke J, Sauer IM, Raschzok N. Hepatocyte Transplantation to the Liver via the Splenic Artery in a Juvenile Large Animal Model. Cell Transplant 2019; 28:14S-24S. [PMID: 31842585 PMCID: PMC7016464 DOI: 10.1177/0963689719885091] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Hepatocyte transplantation (HcTx) is a promising approach for the treatment of metabolic diseases in newborns and children. The most common application route is the portal vein, which is difficult to access in the newborn. Transfemoral access to the splenic artery for HcTx has been evaluated in adults, with trials suggesting hepatocyte translocation from the spleen to the liver with a reduced risk for thromboembolic complications. Using juvenile Göttingen minipigs, we aimed to evaluate feasibility of hepatocyte transplantation by transfemoral splenic artery catheterization, while providing insight on engraftment, translocation, viability, and thromboembolic complications. Four Göttingen Minipigs weighing 5.6 kg to 12.6 kg were infused with human hepatocytes (two infusions per cycle, 1.00E08 cells per kg body weight). Immunosuppression consisted of tacrolimus and prednisolone. The animals were sacrificed directly after cell infusion (n=2), 2 days (n=1), or 14 days after infusion (n=1). The splenic and portal venous blood flow was controlled via color-coded Doppler sonography. Computed tomography was performed on days 6 and 18 after the first infusion. Tissue samples were stained in search of human hepatocytes. Catheter placement was feasible in all cases without procedure-associated complications. Repetitive cell transplantations were possible without serious adverse effects associated with hepatocyte transplantation. Immunohistochemical staining has proven cell relocation to the portal venous system and liver parenchyma. However, cells were neither present in the liver nor the spleen 18 days after HcTx. Immunological analyses showed a response of the adaptive immune system to the human cells. We show that interventional cell application via the femoral artery is feasible in a juvenile large animal model of HcTx. Moreover, cells are able to pass through the spleen to relocate in the liver after splenic artery infusion. Further studies are necessary to compare this approach with umbilical or transhepatic hepatocyte administration.
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Affiliation(s)
- J Siefert
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - K H Hillebrandt
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - S Moosburner
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - P Podrabsky
- Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - D Geisel
- Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - T Denecke
- Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - J K Unger
- Department of Experimental Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - B Sawitzki
- Institute of Medical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - S Gül-Klein
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - S Lippert
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - P Tang
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - A Reutzel-Selke
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - M H Morgul
- Department of General, Visceral and Transplantation Surgery, University of Münster, Münster, Germany
| | - A W Reske
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Leipzig, Leipzig, Germany
| | | | - W Rüdinger
- Cytonet GmbH & Co. KG, Weinheim, Germany
| | - J Oetvoes
- Department of Experimental Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - J Pratschke
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - I M Sauer
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - N Raschzok
- Department of Surgery, Campus Charité Mitte
- Campus Virchow-Klinikum, Experimental Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,BIH Charité Clinician Scientist Program, Berlin Institute of Health (BIH), Berlin, Germany
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16
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Functions and the Emerging Role of the Foetal Liver into Regenerative Medicine. Cells 2019; 8:cells8080914. [PMID: 31426422 PMCID: PMC6721721 DOI: 10.3390/cells8080914] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 12/13/2022] Open
Abstract
During foetal life, the liver plays the important roles of connection and transient hematopoietic function. Foetal liver cells develop in an environment called a hematopoietic stem cell niche composed of several cell types, where stem cells can proliferate and give rise to mature blood cells. Embryologically, at about the third week of gestation, the liver appears, and it grows rapidly from the fifth to 10th week under WNT/β-Catenin signaling pathway stimulation, which induces hepatic progenitor cells proliferation and differentiation into hepatocytes. Development of new strategies and identification of new cell sources should represent the main aim in liver regenerative medicine and cell therapy. Cells isolated from organs with endodermal origin, like the liver, bile ducts, and pancreas, could be preferable cell sources. Furthermore, stem cells isolated from these organs could be more susceptible to differentiate into mature liver cells after transplantation with respect to stem cells isolated from organs or tissues with a different embryological origin. The foetal liver possesses unique features given the co-existence of cells having endodermal and mesenchymal origin, and it could be highly available source candidate for regenerative medicine in both the liver and pancreas. Taking into account these advantages, the foetal liver can be the highest potential and available cell source for cell therapy regarding liver diseases and diabetes.
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Clinical Protocol to Prevent Thrombogenic Effect of Liver-Derived Mesenchymal Cells for Cell-Based Therapies. Cells 2019; 8:cells8080846. [PMID: 31394759 PMCID: PMC6721739 DOI: 10.3390/cells8080846] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/03/2019] [Accepted: 08/06/2019] [Indexed: 12/11/2022] Open
Abstract
The efficacy of mesenchymal stem cell infusion is currently tested in numerous clinical trials. However, therapy-induced thrombotic consequences have been reported in several patients. The aim of this study was to optimize protocols for heterologous human adult liver-derived progenitor cell (HHALPC) infusion, in order to eliminate acute thrombogenesis in liver-based metabolic or acute decompensated cirrhotic (ADC) patients. In rats, thrombotic effects were absent when HHALPCs were infused at low cell dose (5 × 106 cells/kg), or at high cell dose (5 × 107 cells/kg) when combined with anticoagulants. When HHALPCs were exposed to human blood in a whole blood perfusion assay, blocking of the tissue factor (TF) coagulation pathway suppressed fibrin generation and platelet activation. In a Chandler tubing loop model, HHALPCs induced less explosive activation of coagulation with blood from ADC patients, when compared to blood from healthy controls, without alterations in coagulation factor levels other than fibrinogen. These studies confirm a link between TF and thrombogenesis, when TF-expressing cells are exposed to human blood. This phenomenon however, could be controlled using either a low, or a high cell dose combined with anticoagulants. In clinical practice, this points to the suitability of a low HHALPC dose infusion to cirrhotic patients, provided that platelet and fibrinogen levels are monitored.
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18
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Iansante V, Chandrashekran A, Dhawan A. Cell-based liver therapies: past, present and future. Philos Trans R Soc Lond B Biol Sci 2019; 373:rstb.2017.0229. [PMID: 29786563 DOI: 10.1098/rstb.2017.0229] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2017] [Indexed: 12/16/2022] Open
Abstract
Liver transplantation represents the standard treatment for people with an end-stage liver disease and some liver-based metabolic disorders; however, shortage of liver donor tissues limits its availability. Furthermore, whole liver replacement eliminates the possibility of using native liver as a possible target for future gene therapy in case of liver-based metabolic defects. Cell therapy has emerged as a potential alternative, as cells can provide the hepatic functions and engraft in the liver parenchyma. Various options have been proposed, including human or other species hepatocytes, hepatocyte-like cells derived from stem cells or more futuristic alternatives, such as combination therapies with different cell types, organoids and cell-biomaterial combinations. In this review, we aim to give an overview of the cell therapies developed so far, highlighting preclinical and/or clinical achievements as well as the limitations that need to be overcome to make them fully effective and safe for clinical applications.This article is part of the theme issue 'Designer human tissue: coming to a lab near you'.
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Affiliation(s)
- Valeria Iansante
- Dhawan Lab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London at King's College Hospital, London SE5 9PJ, UK
| | - Anil Chandrashekran
- Dhawan Lab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London at King's College Hospital, London SE5 9PJ, UK
| | - Anil Dhawan
- Dhawan Lab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London at King's College Hospital, London SE5 9PJ, UK
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19
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Macroporous Dual-compartment Hydrogels for Minimally Invasive Transplantation of Primary Human Hepatocytes. Transplantation 2019; 102:e373-e381. [PMID: 29916986 DOI: 10.1097/tp.0000000000002330] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Given the shortage of available organs for whole or partial liver transplantation, hepatocyte cell transplantation has long been considered a potential strategy to treat patients suffering from various liver diseases. Some of the earliest approaches that attempted to deliver hepatocytes via portal vein or spleen achieved little success due to poor engraftment. More recent efforts include transplantation of cell sheets or thin hepatocyte-laden synthetic hydrogels. However, these implants must remain sufficiently thin to ensure that nutrients can diffuse into the implant. METHODS To circumvent these limitations, we investigated the use of a vascularizable dual-compartment hydrogel system for minimally invasive transplantation of primary hepatocytes. The dual-compartment system features a macroporous outer polyethylene glycol diacrylate/hyaluronic acid methacrylate hydrogel compartment for seeding supportive cells and facilitating host cell infiltration and vascularization and a hollow inner core to house the primary human hepatocytes. RESULTS We show that the subcutaneous implantation of these cell-loaded devices in NOD/SCID mice facilitated vascular formation while supporting viability of the transplanted cells. Furthermore, the presence of human serum albumin in peripheral blood and the immunostaining of excised implants indicated that the hepatocytes maintained function in vivo for at least 1 month, the longest assayed time point. CONCLUSIONS Cell transplantation devices that assist the anastomosis of grafts with the host can be potentially used as a minimally invasive ectopic liver accessory to augment liver-specific functions as well as potentially treat various pathologies associated with compromised functions of liver, such as hemophilia B or alpha-1 antitrypsin deficiency.
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20
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Collaud F, Bortolussi G, Guianvarc'h L, Aronson SJ, Bordet T, Veron P, Charles S, Vidal P, Sola MS, Rundwasser S, Dufour DG, Lacoste F, Luc C, Wittenberghe LV, Martin S, Le Bec C, Bosma PJ, Muro AF, Ronzitti G, Hebben M, Mingozzi F. Preclinical Development of an AAV8-hUGT1A1 Vector for the Treatment of Crigler-Najjar Syndrome. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2018; 12:157-174. [PMID: 30705921 PMCID: PMC6348934 DOI: 10.1016/j.omtm.2018.12.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 12/26/2018] [Indexed: 12/12/2022]
Abstract
Adeno-associated viruses (AAVs) are among the most efficient vectors for liver gene therapy. Results obtained in the first hemophilia clinical trials demonstrated the long-term efficacy of this approach in humans, showing efficient targeting of hepatocytes with both self-complementary (sc) and single-stranded (ss) AAV vectors. However, to support clinical development of AAV-based gene therapies, efficient and scalable production processes are needed. In an effort to translate to the clinic an approach of AAV-mediated liver gene transfer to treat Crigler-Najjar (CN) syndrome, we developed an (ss)AAV8 vector carrying the human UDP-glucuronosyltransferase family 1-member A1 (hUGT1A1) transgene under the control of a liver-specific promoter. We compared our construct with similar (sc)AAV8 vectors expressing hUGT1A1, showing comparable potency in vitro and in vivo. Conversely, (ss)AAV8-hUGT1A1 vectors showed superior yields and product homogeneity compared with their (sc) counterpart. We then focused our efforts in the scale-up of a manufacturing process of the clinical product (ss)AAV8-hUGT1A1 based on the triple transfection of HEK293 cells grown in suspension. Large-scale production of this vector had characteristics identical to those of small-scale vectors produced in adherent cells. Preclinical studies in animal models of the disease and a good laboratory practice (GLP) toxicology-biodistribution study were also conducted using large-scale preparations of vectors. These studies demonstrated long-term safety and efficacy of gene transfer with (ss)AAV8-hUGT1A1 in relevant animal models of the disease, thus supporting the clinical translation of this gene therapy approach for the treatment of CN syndrome.
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Affiliation(s)
- Fanny Collaud
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Giulia Bortolussi
- International Center for Genetic Engineering and Biotechnology, 34149 Trieste, Italy
| | - Laurence Guianvarc'h
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Sem J Aronson
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AG&M, 1105 BK Amsterdam, the Netherlands
| | | | - Philippe Veron
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Severine Charles
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Patrice Vidal
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Marcelo Simon Sola
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Stephanie Rundwasser
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Delphine G Dufour
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Florence Lacoste
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Cyril Luc
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | | | - Samia Martin
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Christine Le Bec
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Piter J Bosma
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AG&M, 1105 BK Amsterdam, the Netherlands
| | - Andres F Muro
- International Center for Genetic Engineering and Biotechnology, 34149 Trieste, Italy
| | - Giuseppe Ronzitti
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Matthias Hebben
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
| | - Federico Mingozzi
- INTEGRARE, Genethon, INSERM, Univ. Evry, Université Paris-Saclay, 91002 Evry, France
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Barahman M, Asp P, Roy-Chowdhury N, Kinkhabwala M, Roy-Chowdhury J, Kabarriti R, Guha C. Hepatocyte Transplantation: Quo Vadis? Int J Radiat Oncol Biol Phys 2018; 103:922-934. [PMID: 30503786 DOI: 10.1016/j.ijrobp.2018.11.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 10/10/2018] [Accepted: 11/10/2018] [Indexed: 12/21/2022]
Abstract
Orthotopic liver transplantation (OLT) has been effective in managing end-stage liver disease since the advent of cyclosporine immunosuppression therapy in 1980. The major limitations of OLT are organ supply, monetary cost, and the burden of lifelong immunosuppression. Hepatocyte transplantation, as a substitute for OLT, has been an exciting topic of investigation for several decades. HT is potentially minimally invasive and can serve as a vehicle for delivery of personalized medicine through autologous cell transplant after modification ex vivo. However, 3 major hurdles have prevented large-scale clinical application: (1) availability of transplantable cells; (2) safe and efficient ex vivo gene therapy methods; and (3) engraftment and repopulation efficiency. This review will discuss new sources for transplantable liver cells obtained by lineage reprogramming, clinically acceptable methods of genetic manipulation, and the development of hepatic irradiation-based preparative regimens for enhancing engraftment and repopulation of transplanted hepatocytes. We will also review the results of the first 3 patients with genetic liver disorders who underwent preparative hepatic irradiation before hepatocyte transplantation.
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Affiliation(s)
- Mark Barahman
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Patrik Asp
- Department of Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Namita Roy-Chowdhury
- Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Milan Kinkhabwala
- Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Jayanta Roy-Chowdhury
- Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; Department of Genetics, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Rafi Kabarriti
- Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Chandan Guha
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; Department of Urology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York.
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22
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Bortolussi G, Muro AF. Advances in understanding disease mechanisms and potential treatments for Crigler–Najjar syndrome. Expert Opin Orphan Drugs 2018. [DOI: 10.1080/21678707.2018.1495558] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Giulia Bortolussi
- Mouse Molecular Genetics Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Andrés Fernando Muro
- Mouse Molecular Genetics Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), Trieste, Italy
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23
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Domino Hepatocyte Transplantation: A Therapeutic Alternative for the Treatment of Acute Liver Failure. Can J Gastroenterol Hepatol 2018; 2018:2593745. [PMID: 30065914 PMCID: PMC6051327 DOI: 10.1155/2018/2593745] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/25/2018] [Accepted: 05/31/2018] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND AND AIMS Acute liver failure (ALF) is a severe syndrome with an elevated mortality rate, ranging from 40 to 80 %. Currently, liver transplantation is the only definitive treatment for these patients and new therapies aiming to treat ALF include artificial organs implant and stem cells therapy, for example. However, a major limitation of liver donors exists. Living donor liver transplantation (LDLT), split liver transplantation (SLT), and domino liver transplantation (DLT) are some of the available alternatives to treat ALF patients, but these do not reduce the number of patients on waiting lists. Herein, we discuss domino hepatocyte transplantation (DHT) using livers that would not meet transplantation criteria. METHODS We conducted a literature search on PubMed/Medline using acute liver failure, liver transplantation, hepatocyte transplantation, and domino liver transplantation as key words. RESULTS New sources of biochemically functional hepatocytes and therapeutic treatments, in parallel to organ transplantation, may improve liver injury recovery and decrease mortality rates. Moreover, the literature reports hepatocyte transplantation as a therapeutic alternative for organ shortage. However, a major challenge remains for a wide clinical application of hepatocytes therapy, i.e., the availability of sufficient amounts of cells for transplantation. Ideally, hepatocytes isolated from livers rejected for transplantation may be a promising alternative for this problem. CONCLUSION Our review suggests that DHT may be an excellent strategy to increase cell supplies for hepatocyte transplantation.
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Patel P, Okoronkwo N, Pyrsopoulos NT. Future Approaches and Therapeutic Modalities for Acute Liver Failure. Clin Liver Dis 2018; 22:419-427. [PMID: 29605076 DOI: 10.1016/j.cld.2018.01.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The current gold standard for the management of acute liver failure is liver transplantation. However, because of organ shortages, other modalities of therapy are necessary as a possible bridge. This article discusses the current modalities as well as the future management of acute liver failure. Liver assist devices, hepatocyte transplantation, stem cell transplant, organogenesis, and repopulation of decellularized organs are discussed.
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Affiliation(s)
- Pavan Patel
- Division of Gastroenterology and Hepatology, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H-538, Newark, NJ 07103, USA
| | - Nneoma Okoronkwo
- Division of Gastroenterology and Hepatology, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H-538, Newark, NJ 07103, USA
| | - Nikolaos T Pyrsopoulos
- Division of Gastroenterology and Hepatology, Rutgers New Jersey Medical School, 185 South Orange Avenue, MSB H-538, Newark, NJ 07103, USA.
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25
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Lee CA, Sinha S, Fitzpatrick E, Dhawan A. Hepatocyte transplantation and advancements in alternative cell sources for liver-based regenerative medicine. J Mol Med (Berl) 2018; 96:469-481. [PMID: 29691598 PMCID: PMC5988761 DOI: 10.1007/s00109-018-1638-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 03/07/2018] [Accepted: 04/11/2018] [Indexed: 12/16/2022]
Abstract
Human hepatocyte transplantation has been actively perused as an alternative to liver replacement for acute liver failure and liver-based metabolic defects. Current challenges in this field include a limited cell source, reduced cell viability following cryopreservation and poor engraftment of cells into the recipient liver with consequent limited life span. As a result, alternative stem cell sources such as pluripotent stem cells, fibroblasts, hepatic progenitor cells, amniotic epithelial cells and mesenchymal stem/stromal cells (MSCs) can be used to generate induced hepatocyte like cells (HLC) with each technique exhibiting advantages and disadvantages. HLCs may have comparable function to primary human hepatocytes and could offer patient-specific treatment. However, long-term functionality of transplanted HLCs and the potential oncogenic risks of using stem cells have yet to be established. The immunomodulatory effects of MSCs are promising, and multiple clinical trials are investigating their effect in cirrhosis and acute liver failure. Here, we review the current status of hepatocyte transplantation, alternative cell sources to primary human hepatocytes and their potential in liver regeneration. We also describe recent clinical trials using hepatocytes derived from stem cells and their role in improving the phenotype of several liver diseases.
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Affiliation(s)
- Charlotte A Lee
- Dhawan Lab, Institute of Liver Studies, King's College London at King's College Hospital NHS Foundation trust, London, UK
| | - Siddharth Sinha
- Dhawan Lab, Institute of Liver Studies, King's College London at King's College Hospital NHS Foundation trust, London, UK
| | - Emer Fitzpatrick
- Paediatric Liver GI and Nutrition Centre, King's College London at King's College Hospital NHS Foundation Trust, London, UK
| | - Anil Dhawan
- Paediatric Liver GI and Nutrition Centre, King's College London at King's College Hospital NHS Foundation Trust, London, UK.
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Abstract
BACKGROUND Crigler-Najjar syndrome type I (CNI) arises from biallelic variants of UGT1A1 that abrogate uridine diphosphate glucuronosyltransferase (UGT1A1) activity resulting in unconjugated hyperbilirubinemia. Historically, liver parenchyma in CNI was considered structurally and histologically normal. Recent review of CNI liver explants revealed fibrosis. Our aim was to investigate the association between hepatic histology and disease phenotype in CNI. METHODS We extracted data from the medical record at the time of liver transplant from 22 patients with CNI at the Children's Hospital of Pittsburgh, and reviewed explant histology. Continuous data were normally distributed, are presented as mean (±1 SD), and analyzed using two-tailed Student t-test. Categorical data were analyzed using the Chi-square test. RESULTS Both alanine transaminase (ALT; mean 87.4 IU/L) and aspartate transaminase (AST; mean 54.6 IU/L) were elevated. Nine (41%) of 22 explants had significant fibrosis. Pericentral (n = 5), periportal (n = 2), and mixed (n = 2) patterns of fibrosis occurred. A significant difference in mean age of subjects with fibrotic versus non-fibrotic livers (16.1 years vs 10.5 years; P = 0.02) was seen. There were no indices of synthetic liver dysfunction or portal hypertension. Neither a history of gallstone disease nor excess weight appeared to contribute to the development of fibrosis. CONCLUSIONS For the first time, we report a 41% prevalence of clinically silent, yet histologically significant fibrosis among subjects with Crigler-Najjar type 1. Risk for fibrosis appears to accrue with time, indicating that earlier intervention may be prudent whenever considering alternative treatments such as hepatocyte transplant, auxiliary liver transplant, or viral gene therapy.
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Anderson TN, Zarrinpar A. Hepatocyte transplantation: past efforts, current technology, and future expansion of therapeutic potential. J Surg Res 2018; 226:48-55. [PMID: 29661288 DOI: 10.1016/j.jss.2018.01.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 11/16/2017] [Accepted: 01/17/2018] [Indexed: 12/16/2022]
Abstract
Hepatic cell transplantation (HCT) continues to garner interest as an alternative to orthotopic liver transplantation and the attendant donor shortage. When compared with solid organ transplantation, advantages of cell transplantation include the potential to treat more patients with a considerably less invasive procedure, the ability to utilize organs otherwise unsuitable for transplant, and leaving the native organ in situ with the potential for regeneration. While studies date back to the early 1960s, advancement of clinical application has been slow due in part to limitations of suitable tissue supplies and reproducible robust techniques. Compared with orthotopic liver transplantation, there are fewer absolute contraindications for donor selection. And, current techniques used to harvest, isolate, store, and even transfuse cells vary little between institutions. Significant variation is seen due to a lack of consensus with maintenance therapy. Although the ideal recipient has not been clearly identified, the most significant results have been demonstrated with correction of congenital metabolic liver disorders, with a few trials examining its utility in cirrhotics and more recently acute liver failure. The most exciting new topic of discussion examines techniques to improve engraftment, with many such as ischemic preconditioning and nonselective partial embolization (microbead therapy), while not yet used in HCT study, showing promise in solid organ research. Advancements in HCT, although slow in progress, have great potential in the ability to alleviate the burden faced in solid organ transplantation and possibly become a long-term viable option, beyond that of a bridge or salvage therapy.
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Affiliation(s)
- Tiffany N Anderson
- Department of Surgery, College of Medicine, University of Florida, Gainesville, Florida
| | - Ali Zarrinpar
- Department of Surgery, College of Medicine, University of Florida, Gainesville, Florida.
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Abstract
The liver has an important function in the human body and plays a crucial role in its metabolism. Orthotopic liver transplantation (OLT) is the gold standard treatment for patients presenting liver failure or end stage liver diseases, and is also applied for liver based intractable metabolic disorders. Due to organ shortage, invasive surgery and persistent mortality/morbidity, other treatments have to be explored. Amongst these, hepatocyte transplantation is an attractive alternative and has shown promising results in the treatment of miscellaneous metabolic disorders.
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Iansante V, Mitry RR, Filippi C, Fitzpatrick E, Dhawan A. Human hepatocyte transplantation for liver disease: current status and future perspectives. Pediatr Res 2018; 83:232-240. [PMID: 29149103 DOI: 10.1038/pr.2017.284] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 10/02/2017] [Indexed: 12/16/2022]
Abstract
Liver transplantation is the accepted treatment for patients with acute liver failure and liver-based metabolic disorders. However, donor organ shortage and lifelong need for immunosuppression are the main limitations to liver transplantation. In addition, loss of the native liver as a target organ for future gene therapy for metabolic disorders limits the futuristic treatment options, resulting in the need for alternative therapeutic strategies. A potential alternative to liver transplantation is allogeneic hepatocyte transplantation. Over the last two decades, hepatocyte transplantation has made the transition from bench to bedside. Standardized techniques have been established for isolation, culture, and cryopreservation of human hepatocytes. Clinical hepatocyte transplantation safety and short-term efficacy have been proven; however, some major hurdles-mainly concerning shortage of donor organs, low cell engraftment, and lack of a long-lasting effect-need to be overcome to widen its clinical applications. Current research is aimed at addressing these problems, with the ultimate goal of increasing hepatocyte transplantation efficacy in clinical applications.
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Affiliation(s)
- V Iansante
- DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - R R Mitry
- DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - C Filippi
- DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - E Fitzpatrick
- DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
| | - A Dhawan
- DhawanLab, Paediatric Liver GI and Nutrition Center and MowatLabs, Institute of Liver Studies, King's College London, Faculty of Life Sciences and Medicine, King's College London, King's College Hospital, London, UK
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Heath RD, Ertem F, Romana BS, Ibdah JA, Tahan V. Hepatocyte transplantation: Consider infusion before incision. World J Transplant 2017; 7:317-323. [PMID: 29312860 PMCID: PMC5743868 DOI: 10.5500/wjt.v7.i6.317] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 11/27/2017] [Accepted: 12/06/2017] [Indexed: 02/05/2023] Open
Abstract
Human hepatocyte transplantation is undergoing study as a bridge, or even alternative, to orthotopic liver transplantation (OLT). This technique has undergone multiple developments over the past thirty years in terms of mode of delivery, source and preparation of cell cultures, monitoring of graft function, and use of immunosuppression. Further refinements and improvements in these techniques will likely allow improved graft survival and function, granting patients higher yield from this technique and potentially significantly delaying need for OLT.
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Affiliation(s)
- Ryan D Heath
- Division of Gastroenterology and Hepatology, University of Missouri, Columbia, MO 65212, United States
| | - Furkan Ertem
- Department of Internal Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15260, United States
| | - Bhupinder S Romana
- Division of Gastroenterology and Hepatology, University of Missouri, Columbia, MO 65212, United States
| | - Jamal A Ibdah
- Division of Gastroenterology and Hepatology, University of Missouri, Columbia, MO 65212, United States
| | - Veysel Tahan
- Division of Gastroenterology and Hepatology, University of Missouri, Columbia, MO 65212, United States
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Squires JE, Soltys KA, McKiernan P, Squires RH, Strom SC, Fox IJ, Soto-Gutierrez A. Clinical Hepatocyte Transplantation: What Is Next? CURRENT TRANSPLANTATION REPORTS 2017; 4:280-289. [PMID: 29732274 DOI: 10.1007/s40472-017-0165-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Purpose of review Significant recent scientific developments have occurred in the field of liver repopulation and regeneration. While techniques to facilitate liver repopulation with donor hepatocytes and different cell sources have been studied extensively in the laboratory, in recent years clinical hepatocyte transplantation (HT) and liver repopulation trials have demonstrated new disease indications and also immunological challenges that will require the incorporation of a fresh look and new experimental approaches. Recent findings Growth advantage and regenerative stimulus are necessary to allow donor hepatocytes to proliferate. Current research efforts focus on mechanisms of donor hepatocyte expansion in response to liver injury/preconditioning. Moreover, latest clinical evidence shows that important obstacles to HT include optimizing engraftment and limited duration of effectiveness, with hepatocytes being lost to immunological rejection. We will discuss alternatives for cellular rejection monitoring, as well as new modalities to follow cellular graft function and near-to-clinical cell sources. Summary HT partially corrects genetic disorders for a limited period of time and has been associated with reversal of ALF. The main identified obstacles that remain to make HT a curative approach include improving engraftment rates, and methods for monitoring cellular graft function and rejection. This review aims to discuss current state-of-the-art in clinical HT and provide insights into innovative approaches taken to overcome these obstacles.
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Affiliation(s)
- James E Squires
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, United States
| | - Kyle A Soltys
- Thomas E. Starzl Transplant Institute, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, United States
| | - Patrick McKiernan
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, United States
| | - Robert H Squires
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, United States
| | - Stephen C Strom
- Karolinska Institutet, Department of Laboratory Medicine, Division of Pathology, Stockholm, Sweden
| | - Ira J Fox
- Department of Surgery, Children's Hospital of Pittsburgh of UPMC, and McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Ridola L, Bragazzi MC, Cardinale V, Carpino G, Gaudio E, Alvaro D. Cholangiocytes: Cell transplantation. Biochim Biophys Acta Mol Basis Dis 2017; 1864:1516-1523. [PMID: 28735098 DOI: 10.1016/j.bbadis.2017.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 07/15/2017] [Accepted: 07/17/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Due to significant limitations to the access to orthotropic liver transplantation, cell therapies for liver diseases have gained large interest worldwide. SCOPE OF REVIEW To revise current literature dealing with cell therapy for liver diseases. We discussed the advantages and pitfalls of the different cell sources tested so far in clinical trials and the rationale underlying the potential benefits of transplantation of human biliary tree stem cells (hBTSCs). MAJOR CONCLUSIONS Transplantation of adult hepatocytes showed transient benefits but requires immune-suppression that is a major pitfall in patients with advanced liver diseases. Mesenchymal stem cells and hematopoietic stem cells transplanted into patients with liver diseases are not able to replace resident hepatocytes but rather they target autoimmune or inflammatory processes into the liver. Stem cells isolated from fetal or adult liver have been recently proposed as alternative cell sources for advanced liver cirrhosis and metabolic liver disease. We demonstrated the presence of multipotent cells expressing a variety of endodermal stem cell markers in (peri)-biliary glands of bile ducts in fetal or adult human tissues, and in crypts of gallbladder epithelium. In the first cirrhotic patients treated in our center with biliary tree stem cell therapy, we registered no adverse event but significant benefits. GENERAL SIGNIFICANCE The biliary tree stem cell could represent the ideal cell source for the cell therapy of liver diseases. This article is part of a Special Issue entitled: Cholangiocytes in Health and Diseaseedited by Jesus Banales, Marco Marzioni, Nicholas LaRusso and Peter Jansen.
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Affiliation(s)
- Lorenzo Ridola
- Department of Medico-Surgical Sciences and Biotechnologies, Polo Pontino, Sapienza University of Rome, Italy.
| | - Maria Consiglia Bragazzi
- Department of Medico-Surgical Sciences and Biotechnologies, Polo Pontino, Sapienza University of Rome, Italy.
| | - Vincenzo Cardinale
- Department of Medico-Surgical Sciences and Biotechnologies, Polo Pontino, Sapienza University of Rome, Italy.
| | - Guido Carpino
- Department of Movement, Human and Health Sciences, Division of Health Sciences, University of Rome "Foro Italico", Italy.
| | - Eugenio Gaudio
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Sapienza University of Rome, Rome, Italy.
| | - Domenico Alvaro
- Department of Internal Medicine and Medical Specialties, Division of Gastroenterology, Sapienza University of Rome, Rome, Italy.
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Abstract
Orthotopic liver transplantation remains the only proven cure for end-stage liver failure. Despite significant advances in the field, the clinical demand for donor organs far outweighs the supply. Hepatocyte transplantation has been proposed as an alternative approach to whole liver transplant in select diseases. Several international centers have reported experimental trials of human hepatocyte transplantation in acute liver failure and liver-based metabolic disorders. This chapter provides an introduction to hepatocyte transplantation from both a technical and clinical perspective. We will also focus on the special needs of pediatric patients, since historically the majority of clinical hepatocyte transplants have involved infants and children.
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Alternative Cell Sources to Adult Hepatocytes for Hepatic Cell Therapy. Methods Mol Biol 2016; 1506:17-42. [PMID: 27830543 DOI: 10.1007/978-1-4939-6506-9_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Adult hepatocyte transplantation is limited by scarce availability of suitable donor liver tissue for hepatocyte isolation. New cell-based therapies are being developed to supplement whole-organ liver transplantation, to reduce the waiting-list mortality rate, and to obtain more sustained and significant metabolic correction. Fetal livers and unsuitable neonatal livers for organ transplantation have been proposed as potential useful sources of hepatic cells for cell therapy. However, the major challenge is to use alternative cell sources for transplantation that can be derived from reproducible methods. Different types of stem cells with hepatic differentiation potential are eligible for generating large numbers of functional hepatocytes for liver cell therapy to treat degenerative disorders, inborn hepatic metabolic diseases, and organ failure. Clinical trials are designed to fully establish the safety profile of such therapies and to define target patient groups and standardized protocols.
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35
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Najimi M, Defresne F, Sokal EM. Concise Review: Updated Advances and Current Challenges in Cell Therapy for Inborn Liver Metabolic Defects. Stem Cells Transl Med 2016; 5:1117-25. [PMID: 27245366 DOI: 10.5966/sctm.2015-0260] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 03/14/2016] [Indexed: 12/14/2022] Open
Abstract
UNLABELLED : The development of liver cell transplantation (LCT), considered a major biotechnological breakthrough, was intended to provide more accessible treatments for liver disease patients. By preserving the native recipient liver and decreasing hospitalization time, this innovative approach has progressively gained interest among clinicians. LCT initially targets inborn errors of liver metabolism, enabling the compensation of deficient metabolic functions for up to 18 months post-transplantation, supporting its use at least as a bridge to transplantation. The rigorous clinical development and widespread use of LCT depends strongly on controlled and consistent clinical trial data, which may help improve several critical factors, including the standardization of raw biological material and immunosuppression regimens. Substantial effort has also been made in defining and optimizing the most efficient cell population to be transplanted in the liver setting. Although isolated hepatocytes remain the best cell type, showing positive clinical results, their widespread use is hampered by their poor resistance to both cryopreservation and in vitro culture, as well as ever-more-significant donor shortages. Hence, there is considerable interest in developing more standardized and widely accessible cell medicinal products to improve engraftment permanency and post-cell transplantation metabolic effects. SIGNIFICANCE In this therapeutic approach to liver disease, new solutions are being designed and evaluated to bypass the documented limitations and move forward toward wide clinical use. Future developments also require a deep knowledge of regulatory framework to launch specific clinical trials that will allow clear assessment of cell therapy and help patients with significant unmet medical needs.
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Affiliation(s)
- Mustapha Najimi
- Laboratory of Pediatric Hepatology and Cell Therapy, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Cliniques Universitaires St Luc, Brussels, Belgium
| | - Florence Defresne
- Laboratory of Pediatric Hepatology and Cell Therapy, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Cliniques Universitaires St Luc, Brussels, Belgium
| | - Etienne M Sokal
- Laboratory of Pediatric Hepatology and Cell Therapy, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Cliniques Universitaires St Luc, Brussels, Belgium
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36
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Lee CA, Dhawan A, Smith RA, Mitry RR, Fitzpatrick E. Instant Blood-Mediated Inflammatory Reaction in Hepatocyte Transplantation: Current Status and Future Perspectives. Cell Transplant 2016; 25:1227-36. [PMID: 26996786 DOI: 10.3727/096368916x691286] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Hepatocyte transplantation (HT) is emerging as a promising alternative to orthotopic liver transplantation (OLT) in patients with certain liver-based metabolic disease and acute liver failure. Hepatocytes are generally infused into the portal venous system, from which they migrate into the liver cell plates of the native organ. One of the major hurdles to the sustained success of this therapy is early cell loss, with up to 70% of hepatocytes lost immediately following infusion. This is largely thought to be due to the instant blood-mediated inflammatory reaction (IBMIR), resulting in the activation of complement and coagulation pathways. Transplanted hepatocytes produce and release tissue factor (TF), which activates the coagulation pathway, leading to the formation of thrombin and fibrin clots. Thrombin can further activate a number of complement proteins, leading to the activation of the membrane attack complex (MAC) and subsequent hepatocyte cell death. Inflammatory cells including granulocytes, monocytes, Kupffer cells, and natural killer (NK) cells have been shown to cluster around transplanted hepatocytes, leading to their rapid clearance shortly after transplantation. Current research aims to improve cell engraftment and prevent early cell loss. This has been proven successful in vitro using pharmacological interventions such as melagatran, low-molecular-weight dextran sulphate, and N-acetylcysteine (NAC). Effective inhibition of IBMIR would significantly improve hepatocyte engraftment, proliferation, and function, providing successful treatment for patients with liver-based metabolic diseases.
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Affiliation(s)
- Charlotte A Lee
- Institute of Liver Studies, King's College London, School of Life Sciences and Medicine, King's College Hospital, London, UK
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37
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Cantz T, Sharma AD, Ott M. Concise review: cell therapies for hereditary metabolic liver diseases-concepts, clinical results, and future developments. Stem Cells 2016; 33:1055-62. [PMID: 25524146 DOI: 10.1002/stem.1920] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 10/23/2014] [Accepted: 11/07/2014] [Indexed: 12/11/2022]
Abstract
The concept of cell-based therapies for inherited metabolic liver diseases has been introduced for now more than 40 years in animal experiments, but controlled clinical data in humans are still not available. In the era of dynamic developments in stem cell science, the "right" cell for transplantation is considered as an important key for successful treatment. Do we aim to transplant mature hepatocytes or do we consider the liver as a stem/progenitor-driven organ and replenish the diseased liver with genetically normal stem/progenitor cells? Although conflicting results from cell tracing and transplantation experiments have recently emerged about the existence and role of stem/progenitor cells in the liver, their overall contribution to parenchymal cell homeostasis and tissue repair is limited. Accordingly, engraftment and repopulation efficacies of extrahepatic and liver-derived stem/progenitor cell types are considered to be lower compared to mature hepatocytes. On the basis of these results, we will discuss the current clinical cell transplantation programs for inherited metabolic liver diseases and future developments in liver cell therapy.
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Affiliation(s)
- Tobias Cantz
- Translational Hepatology and Stem Cell Biology, Cluster of Excellence REBIRTH, Hannover, Germany; Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
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38
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Aronson SJ, Beuers U, Bosma PJ. Progress and challenges in gene therapy for Crigler–Najjar syndrome. Expert Opin Orphan Drugs 2015. [DOI: 10.1517/21678707.2015.1100991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Lee JG, Bak SY, Nahm JH, Lee SW, Min SO, Kim KS. Toward angiogenesis of implanted bio-artificial liver using scaffolds with type I collagen and adipose tissue-derived stem cells. KOREAN JOURNAL OF HEPATO-BILIARY-PANCREATIC SURGERY 2015; 19:47-58. [PMID: 26155277 PMCID: PMC4494077 DOI: 10.14701/kjhbps.2015.19.2.47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 05/25/2015] [Accepted: 05/28/2015] [Indexed: 12/01/2022]
Abstract
Backgrounds/Aims Stem cell therapies for liver disease are being studied by many researchers worldwide, but scientific evidence to demonstrate the endocrinologic effects of implanted cells is insufficient, and it is unknown whether implanted cells can function as liver cells. Achieving angiogenesis, arguably the most important characteristic of the liver, is known to be quite difficult, and no practical attempts have been made to achieve this outcome. We carried out this study to observe the possibility of angiogenesis of implanted bio-artificial liver using scaffolds. Methods This study used adipose tissue-derived stem cells that were collected from adult patients with liver diseases with conditions similar to the liver parenchyma. Specifically, microfilaments were used to create an artificial membrane and maintain the structure of an artificial organ. After scratching the stomach surface of severe combined immunocompromised (SCID) mice (n=4), artificial scaffolds with adipose tissue-derived stem cells and type I collagen were implanted. Expression levels of angiogenesis markers including vascular endothelial growth factor (VEGF), CD34, and CD105 were immunohistochemically assessed after 30 days. Results Grossly, the artificial scaffolds showed adhesion to the stomach and surrounding organs; however, there was no evidence of angiogenesis within the scaffolds; and VEGF, CD34, and CD105 expressions were not detected after 30 days. Conclusions Although implantation of cells into artificial scaffolds did not facilitate angiogenesis, the artificial scaffolds made with type I collagen helped maintain implanted cells, and surrounding tissue reactions were rare. Our findings indicate that type I collagen artificial scaffolds can be considered as a possible implantable biomaterial.
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Affiliation(s)
- Jae Geun Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Seon Young Bak
- Graduate Program of Nano Science and Technology, Graduate School of Yonsei University, Seoul, Korea
| | - Ji Hae Nahm
- Department of Pathology, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Woo Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea. ; Graduate Program of Nano Science and Technology, Graduate School of Yonsei University, Seoul, Korea
| | - Seon Ok Min
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea. ; Graduate Program of Nano Science and Technology, Graduate School of Yonsei University, Seoul, Korea
| | - Kyung Sik Kim
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea. ; Graduate Program of Nano Science and Technology, Graduate School of Yonsei University, Seoul, Korea. ; Cell Therapy Center, Severance Hospital, Seoul, Korea
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40
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Zhou H, Liu H, Ezzelarab M, Schmelzer E, Wang Y, Gerlach J, Gridelli B, Cooper DKC. Experimental hepatocyte xenotransplantation--a comprehensive review of the literature. Xenotransplantation 2015; 22:239-48. [PMID: 25950141 PMCID: PMC4519403 DOI: 10.1111/xen.12170] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 04/18/2015] [Indexed: 12/11/2022]
Abstract
Hepatocyte transplantation (Tx) is a potential therapy for certain diseases of the liver, including hepatic failure. However, there is a limited supply of human livers as a source of cells and, after isolation, human hepatocytes can be difficult to expand in culture, limiting the number available for Tx. Hepatocytes from other species, for example, the pig, have therefore emerged as a potential alternative source. We searched the literature through the end of 2014 to assess the current status of experimental research into hepatocyte xenoTx. The literature search identified 51 reports of in vivo cross-species Tx of hepatocytes in a variety of experimental models. Most studies investigated the Tx of human (n = 23) or pig (n = 19) hepatocytes. No studies explored hepatocytes from genetically engineered pigs. The spleen was the most common site of Tx (n = 23), followed by the liver (through the portal vein [n = 6]) and peritoneal cavity (n = 19). In 47 studies (92%), there was evidence of hepatocyte engraftment and function across a species barrier. The data provided by this literature search strengthen the hypothesis that xenoTx of hepatocytes is feasible and potentially successful as a clinical therapy for certain liver diseases, including hepatic failure. By excluding vascular structures, hepatocytes isolated from genetically engineered pig livers may address some of the immunological problems of xenoTx.
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Affiliation(s)
- Huidong Zhou
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Center for Kidney Transplantation, Second Affiliated Hospital of the University of South China, Heng(1)yang, Hunan, China
| | - Hong Liu
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Department of General Surgery, First Hospital of Shanxi Medical University, ShanXi, China
| | - Mohamed Ezzelarab
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Eva Schmelzer
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yi Wang
- Center for Kidney Transplantation, Second Affiliated Hospital of the University of South China, Heng(1)yang, Hunan, China
| | - Jörg Gerlach
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bruno Gridelli
- Mediterranean Institute for Transplantation and Advanced Specialized Therapies (ISMETT), Palermo, Italy
| | - David K. C. Cooper
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
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Amelioration of Hyperbilirubinemia in Gunn Rats after Transplantation of Human Induced Pluripotent Stem Cell-Derived Hepatocytes. Stem Cell Reports 2015; 5:22-30. [PMID: 26074313 PMCID: PMC4618248 DOI: 10.1016/j.stemcr.2015.04.017] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 04/22/2015] [Accepted: 04/29/2015] [Indexed: 02/06/2023] Open
Abstract
Hepatocyte transplantation has the potential to cure inherited liver diseases, but its application is impeded by a scarcity of donor livers. Therefore, we explored whether transplantation of hepatocyte-like cells (iHeps) differentiated from human induced pluripotent stem cells (iPSCs) could ameliorate inherited liver diseases. iPSCs reprogrammed from human skin fibroblasts were differentiated to iHeps, which were transplanted into livers of uridinediphosphoglucuronate glucuronosyltransferase-1 (UGT1A1)-deficient Gunn rats, a model of Crigler-Najjar syndrome 1 (CN1), where elevated unconjugated bilirubin causes brain injury and death. To promote iHep proliferation, 30% of the recipient liver was X-irradiated before transplantation, and hepatocyte growth factor was expressed. After transplantation, UGT1A1+ iHep clusters constituted 2.5%–7.5% of the preconditioned liver lobe. A decline of serum bilirubin by 30%–60% and biliary excretion of bilirubin glucuronides indicated that transplanted iHeps expressed UGT1A1 activity, a postnatal function of hepatocytes. Therefore, iHeps warrant further exploration as a renewable source of hepatocytes for treating inherited liver diseases. Human skin fibroblast-derived iPSCs were differentiated to hepatocyte-like iHeps iHeps were transplanted into Gunn rats, a model of Crigler-Najjar syndrome 1 Engraftment of the iHeps in Gunn rat livers reduced serum bilirubin levels iHeps may be potentially useful in treating liver-based metabolic disorders
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42
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Tolosa L, López S, Pareja E, Donato MT, Myara A, Nguyen TH, Castell JV, Gómez-Lechón MJ. Human neonatal hepatocyte transplantation induces long-term rescue of unconjugated hyperbilirubinemia in the Gunn rat. Liver Transpl 2015; 21:801-11. [PMID: 25821167 DOI: 10.1002/lt.24121] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 03/06/2015] [Accepted: 03/14/2015] [Indexed: 12/12/2022]
Abstract
Crigler-Najjar type 1 disease is a rare inherited metabolic disease characterized by high levels of unconjugated bilirubin due to the complete absence of hepatic uridine diphosphoglucuronate-glucuronosyltransferase activity. Hepatocyte transplantation (HT) has been proposed as an alternative treatment for Crigler-Najjar syndrome, but it is still limited by the quality and the low engraftment and repopulation ability of the cells used. Because of their attachment capability and expression of adhesion molecules as well as the higher proportion of hepatic progenitor cells, neonatal hepatocytes may have an advantage over adult cells. Adult or neonatal hepatocytes were transplanted into Gunn rats, a model for Crigler-Najjar disease. Engraftment and repopulation were studied and compared by immunofluorescence (IF). Additionally, the serum bilirubin levels, the presence of bilirubin conjugates in rat serum, and the expression of uridine diphosphate glucuronosyltransferase 1 family polypeptide A1 (UGT1A1) in rat liver samples were also analyzed. Here we show that neonatal HT results in long-term correction in Gunn rats. In comparison with adult cells, neonatal cells showed better engraftment and repopulation capability 3 days and 6 months after transplantation, respectively. Bilirubinemia decreased in the transplanted animals during the whole experimental follow-up (6 months). Bilirubin conjugates were also present in the serum of the transplanted animals. Western blots and IF confirmed the presence and expression of UGT1A1 in the liver. This work is the first to demonstrate the advantage of using neonatal hepatocytes for the treatment of Crigler-Najjar in vivo.
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Affiliation(s)
- Laia Tolosa
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Silvia López
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Eugenia Pareja
- Unidad de Cirugía Hepatobiliopancreática y Transplante Hepático, Hospital La Fe, Valencia, Spain
| | - María Teresa Donato
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, Valencia, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Fondo de Investigaciones Sanitarias, Barcelona, Spain.,Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | - Anne Myara
- Service de Biologie, Groupe Hospitalier Saint Joseph, Paris, France
| | - Tuan Huy Nguyen
- INSERM Unités Mixtes de Recherche en Santé 1064, Centre Hospitalier Universitaire Hôtel Dieu, Nantes, France
| | - José Vicente Castell
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, Valencia, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Fondo de Investigaciones Sanitarias, Barcelona, Spain.,Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | - María José Gómez-Lechón
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, Valencia, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Fondo de Investigaciones Sanitarias, Barcelona, Spain
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Antoniu S. Fresh from the designation pipeline: orphan drugs recently designated in the European Union (August–October 2014). Expert Opin Orphan Drugs 2015. [DOI: 10.1517/21678707.2015.1016909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Sufiandi S, Obara H, Enosawa S, Hsu HC, Matsuno N, Mizunuma H. Improvement of Infusion Process in Cell Transplantation: Effect of Shear Stress on Hepatocyte Viability Under Horizontal and Vertical Syringe Orientation. CELL MEDICINE 2015; 7:59-66. [PMID: 26858894 PMCID: PMC4733837 DOI: 10.3727/215517914x685150] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Improving cell viability and function are important for enhancing the clinical results of cell transplantation. The relationship between cell viability and shear stress remains unexplained, and sedimentation effects during the infusion process are important to the hepatocyte transplantation process. In the present study, the relationship between cell viability and shear stress in the presence of sedimentation effect was investigated using a microchannel simulating the cell transplantation process under several shear stress conditions. Horizontal and vertical syringe orientations were employed to investigate the sedimentation effect. The vertical syringe orientation resulted in lower viability loss than the horizontal orientation. In summary, removing a sedimentation effect is important to improving cell viability by preventing high shear stress.
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Affiliation(s)
- Sandi Sufiandi
- *Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan
| | - Hiromichi Obara
- *Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan
- †Clinical Research Center, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Shin Enosawa
- †Clinical Research Center, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Huai-Che Hsu
- †Clinical Research Center, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Naoto Matsuno
- *Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan
- †Clinical Research Center, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Hiroshi Mizunuma
- *Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Metropolitan University, Hachioji, Tokyo, Japan
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Li Y, Qu YJ, Zhong XM, Cao YY, Jin LM, Bai JL, Ma X, Jin YW, Wang H, Zhang YL, Song F. Two unrelated patients with rare Crigler-Najjar syndrome type I: two novel mutations and a patient with loss of heterozygosity of UGT1A1 gene. J Zhejiang Univ Sci B 2015; 15:474-81. [PMID: 24793765 DOI: 10.1631/jzus.b1300233] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Crigler-Najjar syndrome type I (CN-I) is the most severe type of hereditary unconjugated hyperbilirubinemia. It is caused by homozygous or compound heterozygous mutations of the UDP-glycuronosyltransferase gene (UGT1A1) on chromosome 2q37. Two patients clinically diagnosed with CN-I were examined in this paper. We sequenced five exons and their flanking sequences, specifically the promoter region of UGT1A1, of the two patients and their parents. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the UGT1A1 gene copy number of one patient. In patient A, two mutations, c.239_245delCTGTGCC (p.Pro80HisfsX6; had not been reported previously) and c.1156G>T (p.Val386Phe), were identified. In patient B, we found that this patient had lost heterozygosity of the UGT1A1 gene by inheriting a deletion of one allele, and had a novel mutation c.1253delT (p.Met418ArgfsX5) in the other allele. In summary, we detected three UGT1A1 mutations in two CN-I patients: c.239_245delCTGTGCC (p.Pro80HisfsX6), c.1253delT (p.Met418ArgfsX5), and c.1156G>T (p.Val386Phe). The former two mutations are pathogenic; however, the pathogenic mechanism of c.1156G>T (p.Val386Phe) is unknown.
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Affiliation(s)
- Yan Li
- Department of Medical Genetics, Capital Institute of Pediatrics, Beijing 100020, China; Department of Gastroenterology, Affiliated Children's Hospital, Capital Institute of Pediatrics, Beijing 100020, China
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Hansel MC, Gramignoli R, Skvorak KJ, Dorko K, Marongiu F, Blake W, Davila J, Strom SC. The history and use of human hepatocytes for the treatment of liver diseases: the first 100 patients. CURRENT PROTOCOLS IN TOXICOLOGY 2014; 62:14.12.1-23. [PMID: 25378242 PMCID: PMC4343212 DOI: 10.1002/0471140856.tx1412s62] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Orthotopic liver transplantation remains the only curative treatment for many end-stage liver diseases, yet the number of patients receiving liver transplants remains limited by the number of organs available for transplant. There is a need for alternative therapies for liver diseases. The transplantation of isolated hepatocytes (liver cells) has been used as an experimental therapy for liver disease in a limited number of cases. Recently, the 100th case of hepatocyte transplantation was reported. This review discusses the history of the hepatocyte transplant field, the major discoveries that supported and enabled the first hepatocyte transplants, and reviews the cases and outcomes of the first 100 clinical transplants. Some of the problems that limit the application or efficacy of hepatocyte transplantation are discussed, as are possible solutions to these problems. In conclusion, hepatocyte transplants have proven effective particularly in cases of metabolic liver disease where reversal or amelioration of the characteristic symptoms of the disease is easily quantified. However, no patients have been completely corrected of a metabolic liver disease for a significant amount of time by hepatocyte transplantation alone. It is likely that future developments in new sources of cells for transplantation will be required before this cellular therapy can be fully implemented and available for large numbers of patients.
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Affiliation(s)
- Marc C Hansel
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania
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Logan GJ, de Alencastro G, Alexander IE, Yeoh GC. Exploiting the unique regenerative capacity of the liver to underpin cell and gene therapy strategies for genetic and acquired liver disease. Int J Biochem Cell Biol 2014; 56:141-52. [PMID: 25449261 DOI: 10.1016/j.biocel.2014.10.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 10/15/2014] [Accepted: 10/21/2014] [Indexed: 02/06/2023]
Abstract
The number of genetic or acquired diseases of the liver treatable by organ transplantation is ever-increasing as transplantation techniques improve placing additional demands on an already limited organ supply. While cell and gene therapies are distinctly different modalities, they offer a synergistic alternative to organ transplant due to distinct architectural and physiological properties of the liver. The hepatic blood supply and fenestrated endothelial system affords relatively facile accessibility for cell and/or gene delivery. More importantly, however, the remarkable capacity of hepatocytes to proliferate and repopulate the liver creates opportunities for new treatments based on emerging technologies. This review will summarise current understanding of liver regeneration, describe clinical and experimental cell and gene therapeutic modalities and discuss critical challenges to translate these new technologies to wider clinical utility. This article is part of a Directed Issue entitled: "Regenerative Medicine: the challenge of translation".
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Affiliation(s)
- Grant J Logan
- Gene Therapy Research Unit of The Children's Medical Research Institute and The Children's Hospital at Westmead, Australia
| | - Gustavo de Alencastro
- Gene Therapy Research Unit of The Children's Medical Research Institute and The Children's Hospital at Westmead, Australia
| | - Ian E Alexander
- Gene Therapy Research Unit of The Children's Medical Research Institute and The Children's Hospital at Westmead, Australia; University of Sydney Discipline of Paediatrics and Child Health, Westmead, NSW 2145, Australia
| | - George C Yeoh
- The Centre for Medical Research, Harry Perkins Institute of Medical Research, Crawley, WA 6009, Australia.
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Maerckx C, Tondreau T, Berardis S, Pelt JV, Najimi M, Sokal E. Human liver stem/progenitor cells decrease serum bilirubin in hyperbilirubinemic Gunn rat. World J Gastroenterol 2014; 20:10553-10563. [PMID: 25132775 PMCID: PMC4130866 DOI: 10.3748/wjg.v20.i30.10553] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 02/08/2014] [Accepted: 03/10/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To test the ability of adult-derived human liver stem/progenitor cells (ADHLSC) from large scale cultures to conjugate bilirubin in vitro and in bilirubin conjugation deficient rat.
METHODS: ADHLSC from large scale cultures were tested for their phenotype and for their capacity to conjugate bilirubin in vitro after hepatogenic differentiation. In vivo, Gunn rats [uridine diphosphate-glucuronosyltransferase 1A1 (UGT1A1) deficient animal] were injected with ADHLSC and cryopreserved hepatocytes (positive control). Two, 4, 13 and 27 wk post-transplantation, transplanted Gunn rat bilirubin serum levels were determined by high performance liquid chromatography. Human transplanted cell engraftment was assessed 27 wk post-transplantation using immunohistochemistry and RTqPCR.
RESULTS: Large scale culture conditions do not modify ADHLSC phenotype, ADHLSC were able to specifically conjugate bilirubin. ADHLSC were intraportally injected into Gunn rats and blood UCB was measured at different times post-transplantation, infused-Gunn rats exhibited a metabolic effect 3 mo post-transplantation and maintained over a 6 mo period. ADHLSC engraftment into Gunn rat’s liver was demonstrated by RTqPCR and immunohistochemistry against albumin and UGT1A1.
CONCLUSION: ADHLSC from large scale cultures are efficient in conjugating bilirubin in vitro and in restoring a deficient metabolic function (reducing bilirubin level) in hyperbilirubinemic rats.
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Abstract
The rapid development of new diagnostic tests and improved therapy, especially the success of liver transplantation, has changed the outcome for children with liver disease, many of whom survive into adolescence without liver transplantation. The indications for transplantation in adolescence are similar to pediatric indications and reflect the medical advances made in this specialty that allow later transplantation. These young people need a different approach to management that involves consideration of their physical and psychological stage of development. A focused approach to their eventual transition to adult care is essential for long-term survival and quality of life.
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