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Dhanjal DS, Singh R, Sharma V, Nepovimova E, Adam V, Kuca K, Chopra C. Advances in Genetic Reprogramming: Prospects from Developmental Biology to Regenerative Medicine. Curr Med Chem 2024; 31:1646-1690. [PMID: 37138422 DOI: 10.2174/0929867330666230503144619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 05/05/2023]
Abstract
The foundations of cell reprogramming were laid by Yamanaka and co-workers, who showed that somatic cells can be reprogrammed into pluripotent cells (induced pluripotency). Since this discovery, the field of regenerative medicine has seen advancements. For example, because they can differentiate into multiple cell types, pluripotent stem cells are considered vital components in regenerative medicine aimed at the functional restoration of damaged tissue. Despite years of research, both replacement and restoration of failed organs/ tissues have remained elusive scientific feats. However, with the inception of cell engineering and nuclear reprogramming, useful solutions have been identified to counter the need for compatible and sustainable organs. By combining the science underlying genetic engineering and nuclear reprogramming with regenerative medicine, scientists have engineered cells to make gene and stem cell therapies applicable and effective. These approaches have enabled the targeting of various pathways to reprogramme cells, i.e., make them behave in beneficial ways in a patient-specific manner. Technological advancements have clearly supported the concept and realization of regenerative medicine. Genetic engineering is used for tissue engineering and nuclear reprogramming and has led to advances in regenerative medicine. Targeted therapies and replacement of traumatized , damaged, or aged organs can be realized through genetic engineering. Furthermore, the success of these therapies has been validated through thousands of clinical trials. Scientists are currently evaluating induced tissue-specific stem cells (iTSCs), which may lead to tumour-free applications of pluripotency induction. In this review, we present state-of-the-art genetic engineering that has been used in regenerative medicine. We also focus on ways that genetic engineering and nuclear reprogramming have transformed regenerative medicine and have become unique therapeutic niches.
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Affiliation(s)
- Daljeet Singh Dhanjal
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India
| | - Reena Singh
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India
| | - Varun Sharma
- Head of Bioinformatic Division, NMC Genetics India Pvt. Ltd., Gurugram, India
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, 50003, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, Brno, CZ 613 00, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, CZ-612 00, Czech Republic
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, 50003, Czech Republic
- Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, 50005, Czech Republic
| | - Chirag Chopra
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India
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Abreu N, Pereira VM, Pestana M, Jasmins L. Future Perspectives in the Diagnosis and Treatment of Liver Disease Associated with Alpha-1 Antitrypsin Deficiency. GE PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2023; 30:327-335. [PMID: 37868641 PMCID: PMC10586215 DOI: 10.1159/000528809] [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: 07/04/2022] [Accepted: 11/15/2022] [Indexed: 10/24/2023]
Abstract
Alpha-1 antitrypsin deficiency (AATD) is one of the most common genetic diseases and is caused by mutations in the SERPINA1 gene. The homozygous Pi*Z variant is responsible for the majority of the classic severe form of alpha-1 antitrypsin deficiency, which is characterized by markedly decreased levels of serum alpha-1 antitrypsin (AAT) with a strong predisposition to lung and liver disease. The diagnosis and early treatment of AATD-associated liver disease are challenges in clinical practice. In this review, the authors aim to summarize the current evidence of the non-invasive methods in the assessment of liver fibrosis, as well as to elucidate the main therapeutic strategies under investigation that may emerge in the near future.
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Affiliation(s)
- Nélia Abreu
- Department of Gastroenterology, Hospital Central Do Funchal, Madeira, Portugal
| | - Vítor Magno Pereira
- Department of Gastroenterology, Hospital Central Do Funchal, Madeira, Portugal
| | - Madalena Pestana
- Department of Gastroenterology, Hospital Central Do Funchal, Madeira, Portugal
| | - Luís Jasmins
- Department of Gastroenterology, Hospital Central Do Funchal, Madeira, Portugal
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Balmas E, Sozza F, Bottini S, Ratto ML, Savorè G, Becca S, Snijders KE, Bertero A. Manipulating and studying gene function in human pluripotent stem cell models. FEBS Lett 2023; 597:2250-2287. [PMID: 37519013 DOI: 10.1002/1873-3468.14709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023]
Abstract
Human pluripotent stem cells (hPSCs) are uniquely suited to study human development and disease and promise to revolutionize regenerative medicine. These applications rely on robust methods to manipulate gene function in hPSC models. This comprehensive review aims to both empower scientists approaching the field and update experienced stem cell biologists. We begin by highlighting challenges with manipulating gene expression in hPSCs and their differentiated derivatives, and relevant solutions (transfection, transduction, transposition, and genomic safe harbor editing). We then outline how to perform robust constitutive or inducible loss-, gain-, and change-of-function experiments in hPSCs models, both using historical methods (RNA interference, transgenesis, and homologous recombination) and modern programmable nucleases (particularly CRISPR/Cas9 and its derivatives, i.e., CRISPR interference, activation, base editing, and prime editing). We further describe extension of these approaches for arrayed or pooled functional studies, including emerging single-cell genomic methods, and the related design and analytical bioinformatic tools. Finally, we suggest some directions for future advancements in all of these areas. Mastering the combination of these transformative technologies will empower unprecedented advances in human biology and medicine.
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Affiliation(s)
- Elisa Balmas
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Federica Sozza
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Sveva Bottini
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Maria Luisa Ratto
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Giulia Savorè
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Silvia Becca
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Kirsten Esmee Snijders
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
| | - Alessandro Bertero
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center "Guido Tarone", University of Turin, Torino, Italy
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Yde Ohki CM, Walter NM, Rickli M, Salazar Campos JM, Werling AM, Döring C, Walitza S, Grünblatt E. Protocol for a Wnt reporter assay to measure its activity in human neural stem cells derived from induced pluripotent stem cells. CURRENT RESEARCH IN NEUROBIOLOGY 2023; 5:100095. [PMID: 37426743 PMCID: PMC10329100 DOI: 10.1016/j.crneur.2023.100095] [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: 03/13/2023] [Revised: 05/24/2023] [Accepted: 06/08/2023] [Indexed: 07/11/2023] Open
Abstract
The canonical Wnt signaling is an essential pathway that regulates cellular proliferation, maturation, and differentiation during neurodevelopment and maintenance of adult tissue homeostasis. This pathway has been implicated with the pathophysiology of neuropsychiatric disorders and was associated with cognitive processes, such as learning and memory. However, the molecular investigation of the Wnt signaling in functional human neural cell lines might be challenging since brain biopsies are not possible and animal models may not represent the polygenic profile of some neurological and neurodevelopmental disorders. In this context, using induced pluripotent stem cells (iPSCs) has become a powerful tool to model disorders that affect the Central Nervous System (CNS) in vitro, by maintaining patients' genetic backgrounds. In this method paper, we report the development of a virus-free Wnt reporter assay in neural stem cells (NSCs) derived from human iPSCs from two healthy individuals, by using a vector containing a reporter gene (luc2P) under the control of a TCF/LEF (T-cell factor/lymphoid enhancer factor) responsive element. Dose-response curve analysis from this luciferase-based method might be useful when testing the activity of the Wnt signaling pathway after agonists (e.g. Wnt3a) or antagonists (e.g. DKK1) administration, comparing activity between cases and controls in distinct disorders. Using such a reporter assay method may help to elucidate whether neurological or neurodevelopmental mental disorders show alterations in this pathway, and testing whether targeted treatment may reverse these. Therefore, our established assay aims to help researchers on the functional and molecular investigation of the Wnt pathway in patient-specific cell types comprising several neuropsychiatric disorders.
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Affiliation(s)
- Cristine Marie Yde Ohki
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
- Biomedicine PhD Program, University of Zurich, Winterthurerstrasse 11, 8057, Zurich, Switzerland
| | - Natalie Monet Walter
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Michelle Rickli
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - José Maria Salazar Campos
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Anna Maria Werling
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Christian Döring
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
| | - Susanne Walitza
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
- Neuroscience Center Zurich, University of Zurich and the ETH Zurich, Winterthurerstrasse 11, 8057, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology, University of Zurich, Winterthurerstrasse 11, 8057, Zurich, Switzerland
| | - Edna Grünblatt
- Department of Child and Adolescent Psychiatry and Psychotherapy, Translational Molecular Psychiatry, Psychiatric University Hospital Zurich, University of Zurich, Wagistrasse 12, 8952, Schlieren, Switzerland
- Neuroscience Center Zurich, University of Zurich and the ETH Zurich, Winterthurerstrasse 11, 8057, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology, University of Zurich, Winterthurerstrasse 11, 8057, Zurich, Switzerland
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Graffmann N, Scherer B, Adjaye J. In vitro differentiation of pluripotent stem cells into hepatocyte like cells - basic principles and current progress. Stem Cell Res 2022; 61:102763. [DOI: 10.1016/j.scr.2022.102763] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/08/2022] [Accepted: 03/22/2022] [Indexed: 12/11/2022] Open
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A selectable all-in-one CRISPR prime editing piggyBac transposon allows for highly efficient gene editing in human cell lines. Sci Rep 2021; 11:22154. [PMID: 34773059 PMCID: PMC8589839 DOI: 10.1038/s41598-021-01689-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 11/01/2021] [Indexed: 11/22/2022] Open
Abstract
CRISPR prime-editors are emergent tools for genome editing and offer a versatile alternative approach to HDR-based genome engineering or DNA base-editors. However, sufficient prime-editor expression levels and availability of optimized transfection protocols may affect editing efficiencies, especially in hard-to-transfect cells like hiPSC. Here, we show that piggyBac prime-editing (PB-PE) allows for sustained expression of prime-editors. We demonstrate proof-of-concept for PB-PE in a newly designed lentiviral traffic light reporter, which allows for estimation of gene correction and defective editing resulting in indels, based on expression of two different fluorophores. PB-PE can prime-edit more than 50% of hiPSC cells after antibiotic selection. We also show that improper design of pegRNA cannot simply be overcome by extended expression, but PB-PE allows for estimation of effectiveness of selected pegRNAs after few days of cultivation time. Finally, we implemented PB-PE for efficient editing of an amyotrophic lateral sclerosis-associated mutation in the SOD1-gene of patient-derived hiPSC. Progress of genome editing can be monitored by Sanger-sequencing, whereas PB-PE vectors can be removed after editing and excised cells can be enriched by fialuridine selection. Together, we present an efficient prime-editing toolbox, which can be robustly used in a variety of cell lines even when non-optimized transfection-protocols are applied.
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Matamala N, Lara B, Gómez-Mariano G, Martínez S, Vázquez-Domínguez I, Otero-Sobrino Á, Muñoz-Callejas A, Sánchez E, Esquinas C, Bustamante A, Cadenas S, Curi S, Lázaro L, Martínez MT, Rodríguez E, Miravitlles M, Torres-Duran M, Herrero I, Michel FJ, Castillo S, Hernández-Pérez JM, Blanco I, Casas F, Martínez-Delgado B. miR-320c Regulates SERPINA1 Expression and Is Induced in Patients With Pulmonary Disease. Arch Bronconeumol 2021; 57:457-463. [PMID: 35698951 DOI: 10.1016/j.arbr.2020.03.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 03/11/2020] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Alpha-1 antitrypsin deficiency (AATD) is a genetic condition resulting in lung and liver disease with a great clinical variability. MicroRNAs have been identified as disease modifiers; therefore miRNA deregulation could play an important role in disease heterogeneity. Members of miR-320 family are involved in regulating of multiple processes including inflammation, and have potential specific binding sites in the 3'UTR region of SERPINA1 gene. In this study we explore the involvement of miR-320c, a member of this family, in this disease. METHODS Firstly in vitro studies were carried out to demonstrate regulation of SERPINA1 gene by miR-320. Furthermore, the expression of miR-320c was analyzed in the blood of 98 individuals with different AAT serum levels by using quantitative PCR and expression was correlated to clinical parameters of the patients. Finally, HL60 cells were used to analyze induction of miR-320c in inflammatory conditions. RESULTS Overexpression of miR-320 members in human HepG2 cells led to inhibition of SERPINA1 expression. Analysis of miR-320c expression in patient's samples revealed significantly increased expression of miR-320c in individuals with pulmonary disease. Additionally, HL60 cells treated with the pro-inflammatory factor lipopolysaccharide (LPS) showed increase in miR-320c expression, suggesting that miR-320c responds to inflammation. CONCLUSION Our findings demonstrate that miR-320c inhibits SERPINA1 expression in a hepatic cell line and its levels in blood are associated with lung disease in a cohort of patients with different AAT serum levels. These results suggest that miR-320c can play a role in AAT regulation and could be a biomarker of inflammatory processes in pulmonary diseases.
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Affiliation(s)
- Nerea Matamala
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Beatriz Lara
- Respiratory Medicine Department, Coventry University Hospital, Coventry, UK
| | - Gema Gómez-Mariano
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Selene Martínez
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Irene Vázquez-Domínguez
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Álvaro Otero-Sobrino
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Antonio Muñoz-Callejas
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Elena Sánchez
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Cristina Esquinas
- Registro Español de pacientes con déficit de alfa-1 antitripsina (REDAAT), Fundación Española de Pulmón, Respira, SEPAR, Barcelona, Spain; Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - Ana Bustamante
- Servicio de Neumología, Hospital de Sierrallana, Torrelavega, Cantabria, Spain
| | - Sergio Cadenas
- Servicio de Neumología, Hospital Clínico Universitario de Salamanca, Spain
| | - Sergio Curi
- Complejo Hospitalario de Navarra, Pamplona, Spain
| | - Lourdes Lázaro
- Servicio de Neumología, Complejo Asistencial Universitario de Burgos, Spain
| | | | - Esther Rodríguez
- Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - Marc Miravitlles
- Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - María Torres-Duran
- Servicio de Neumología, Hospital Álvaro Cunqueiro, EOXI Vigo, Pneumovigo I+i, IIS Galicia Sur, Spain
| | - Inés Herrero
- Hospital Universitario Miguel Servet, Zaragoza, Spain
| | | | - Silvia Castillo
- Unidad de Neumología infantil y Fibrosis quística, Hospital Clínico Universitario de Valencia, Spain
| | | | - Ignacio Blanco
- Registro Español de pacientes con déficit de alfa-1 antitripsina (REDAAT), Fundación Española de Pulmón, Respira, SEPAR, Barcelona, Spain
| | - Francisco Casas
- Servicio de Neumología, Hospital Universitario San Cecilio, Granada, Spain
| | - Beatriz Martínez-Delgado
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain.
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Matamala N, Lara B, Gómez-Mariano G, Martínez S, Vázquez-Domínguez I, Otero-Sobrino Á, Muñoz-Callejas A, Sánchez E, Esquinas C, Bustamante A, Cadenas S, Curi S, Lázaro L, Martínez MT, Rodríguez E, Miravitlles M, Torres-Duran M, Herrero I, Michel FJ, Castillo S, Hernández-Pérez JM, Blanco I, Casas F, Martínez-Delgado B. miR-320c Regulates SERPINA1 Expression and Is Induced in Patients With Pulmonary Disease. Arch Bronconeumol 2020; 57:S0300-2896(20)30084-3. [PMID: 32439252 DOI: 10.1016/j.arbres.2020.03.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 03/11/2020] [Accepted: 03/11/2020] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Alpha-1 antitrypsin deficiency (AATD) is a genetic condition resulting in lung and liver disease with a great clinical variability. MicroRNAs have been identified as disease modifiers; therefore miRNA deregulation could play an important role in disease heterogeneity. Members of miR-320 family are involved in regulating of multiple processes including inflammation, and have potential specific binding sites in the 3'UTR region of SERPINA1 gene. In this study we explore the involvement of miR-320c, a member of this family, in this disease. METHODS Firstly in vitro studies were carried out to demonstrate regulation of SERPINA1 gene by miR-320. Furthermore, the expression of miR-320c was analyzed in the blood of 98 individuals with different AAT serum levels by using quantitative PCR and expression was correlated to clinical parameters of the patients. Finally, HL60 cells were used to analyze induction of miR-320c in inflammatory conditions. RESULTS Overexpression of miR-320 members in human HepG2 cells led to inhibition of SERPINA1 expression. Analysis of miR-320c expression in patient's samples revealed significantly increased expression of miR-320c in individuals with pulmonary disease. Additionally, HL60 cells treated with the pro-inflammatory factor lipopolysaccharide (LPS) showed increase in miR-320c expression, suggesting that miR-320c responds to inflammation. CONCLUSION Our findings demonstrate that miR-320c inhibits SERPINA1 expression in a hepatic cell line and its levels in blood are associated with lung disease in a cohort of patients with different AAT serum levels. These results suggest that miR-320c can play a role in AAT regulation and could be a biomarker of inflammatory processes in pulmonary diseases.
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Affiliation(s)
- Nerea Matamala
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Beatriz Lara
- Respiratory Medicine Department, Coventry University Hospital, Coventry, UK
| | - Gema Gómez-Mariano
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Selene Martínez
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Irene Vázquez-Domínguez
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Álvaro Otero-Sobrino
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Antonio Muñoz-Callejas
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Elena Sánchez
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Cristina Esquinas
- Registro Español de pacientes con déficit de alfa-1 antitripsina (REDAAT), Fundación Española de Pulmón, Respira, SEPAR, Barcelona, Spain; Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - Ana Bustamante
- Servicio de Neumología, Hospital de Sierrallana, Torrelavega, Cantabria, Spain
| | - Sergio Cadenas
- Servicio de Neumología, Hospital Clínico Universitario de Salamanca, Spain
| | - Sergio Curi
- Complejo Hospitalario de Navarra, Pamplona, Spain
| | - Lourdes Lázaro
- Servicio de Neumología, Complejo Asistencial Universitario de Burgos, Spain
| | | | - Esther Rodríguez
- Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - Marc Miravitlles
- Servicio de Neumología, Hospital Universitari Vall d'Hebron/Vall d'Hebron Institut de Recerca (VHIR), CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - María Torres-Duran
- Servicio de Neumología, Hospital Álvaro Cunqueiro, EOXI Vigo, Pneumovigo I+i, IIS Galicia Sur, Spain
| | - Inés Herrero
- Hospital Universitario Miguel Servet, Zaragoza, Spain
| | | | - Silvia Castillo
- Unidad de Neumología infantil y Fibrosis quística, Hospital Clínico Universitario de Valencia, Spain
| | | | - Ignacio Blanco
- Registro Español de pacientes con déficit de alfa-1 antitripsina (REDAAT), Fundación Española de Pulmón, Respira, SEPAR, Barcelona, Spain
| | - Francisco Casas
- Servicio de Neumología, Hospital Universitario San Cecilio, Granada, Spain
| | - Beatriz Martínez-Delgado
- Molecular Genetics Unit, Instituto de Investigación de Enfermedades Raras (IIER), Instituto de Salud Carlos III (ISCIII), CIBER de Enfermedades Raras (CIBERER), Madrid, Spain.
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Yamazaki H, Shirakawa K, Matsumoto T, Kazuma Y, Matsui H, Horisawa Y, Stanford E, Sarca AD, Shirakawa R, Shindo K, Takaori-Kondo A. APOBEC3B reporter myeloma cell lines identify DNA damage response pathways leading to APOBEC3B expression. PLoS One 2020; 15:e0223463. [PMID: 31914134 PMCID: PMC6948746 DOI: 10.1371/journal.pone.0223463] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/16/2019] [Indexed: 12/19/2022] Open
Abstract
Apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like (APOBEC) DNA cytosine deaminase 3B (A3B) is a DNA editing enzyme which induces genomic DNA mutations in multiple myeloma and in various other cancers. APOBEC family proteins are highly homologous so it is especially difficult to investigate the biology of specifically A3B in cancer cells. To easily and comprehensively investigate A3B function in myeloma cells, we used CRISPR/Cas9 to generate A3B reporter cells that contain 3×FLAG tag and IRES-EGFP sequences integrated at the end of the A3B gene. These reporter cells stably express 3xFLAG tagged A3B and the reporter EGFP and this expression is enhanced by known stimuli, such as PMA. Conversely, shRNA knockdown of A3B decreased EGFP fluorescence and 3xFLAG tagged A3B protein levels. We screened a series of anticancer treatments using these cell lines and identified that most conventional therapies, such as antimetabolites or radiation, exacerbated endogenous A3B expression, but recent molecular targeted therapeutics, including bortezomib, lenalidomide and elotuzumab, did not. Furthermore, chemical inhibition of ATM, ATR and DNA-PK suppressed EGFP expression upon treatment with antimetabolites. These results suggest that DNA damage triggers A3B expression through ATM, ATR and DNA-PK signaling.
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Affiliation(s)
- Hiroyuki Yamazaki
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kotaro Shirakawa
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tadahiko Matsumoto
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yasuhiro Kazuma
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroyuki Matsui
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshihito Horisawa
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Emani Stanford
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Anamaria Daniela Sarca
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryutaro Shirakawa
- Department of Molecular and Cellular Biology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Keisuke Shindo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akifumi Takaori-Kondo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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10
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Yamazaki H, Shirakawa K, Matsumoto T, Hirabayashi S, Murakawa Y, Kobayashi M, Sarca AD, Kazuma Y, Matsui H, Maruyama W, Fukuda H, Shirakawa R, Shindo K, Ri M, Iida S, Takaori-Kondo A. Endogenous APOBEC3B Overexpression Constitutively Generates DNA Substitutions and Deletions in Myeloma Cells. Sci Rep 2019; 9:7122. [PMID: 31073151 PMCID: PMC6509214 DOI: 10.1038/s41598-019-43575-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 04/26/2019] [Indexed: 02/07/2023] Open
Abstract
Apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like (APOBEC) DNA cytosine deaminases have emerged as potential genomic mutators in various cancers. Multiple myeloma accumulates APOBEC signature mutations as it progresses; however, the mechanisms underlying APOBEC signature acquisition and its consequences remain elusive. In this study, we examined the significance and clinical impact of APOBEC3B (A3B) activity in multiple myeloma. Among APOBECs, only highly expressed A3B was associated with poor prognosis in myeloma patients, independent of other known poor prognostic factors. Quantitative PCR revealed that CD138-positive primary myeloma cells and myeloma cell lines exhibited remarkably high A3B expression levels. Interestingly, lentiviral A3B knockdown prevented the generation of deletion and loss-of-function mutations in exogenous DNA, whereas in control cells, these mutations accumulated with time. A3B knockdown also decreased the basal levels of γ-H2AX foci, suggesting that A3B promotes constitutive DNA double-strand breaks in myeloma cells. Importantly, among control shRNA-transduced cells, we observed the generation of clones that harboured diverse mutations in exogenous genes and several endogenous genes frequently mutated in myeloma, including TP53. Taken together, the results suggest that A3B constitutively mutates the tumour genome beyond the protection of the DNA repair system, which may lead to clonal evolution and genomic instability in myeloma.
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Affiliation(s)
- Hiroyuki Yamazaki
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Kotaro Shirakawa
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Tadahiko Matsumoto
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Shigeki Hirabayashi
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.,RIKEN-HMC Clinical Omics Unit, RIKEN Baton Zone Program, Kanagawa, 230-0045, Japan
| | - Yasuhiro Murakawa
- RIKEN-HMC Clinical Omics Unit, RIKEN Baton Zone Program, Kanagawa, 230-0045, Japan.,RIKEN Preventive Medicine and Diagnosis Innovation Program, Kanagawa, 230-0045, Japan
| | - Masayuki Kobayashi
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Anamaria Daniela Sarca
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Yasuhiro Kazuma
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Hiroyuki Matsui
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Wataru Maruyama
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Hirofumi Fukuda
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Ryutaro Shirakawa
- Department of Molecular and Cellular Biology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan
| | - Keisuke Shindo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Masaki Ri
- Department of Hematology and Oncology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shinsuke Iida
- Department of Hematology and Oncology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akifumi Takaori-Kondo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.
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11
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Induced Pluripotent Stem Cell-Derived Hepatocytes and Precision Medicine in Human Liver Disease. J Pediatr Gastroenterol Nutr 2018; 66:716-719. [PMID: 29509632 DOI: 10.1097/mpg.0000000000001948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Liver-like human cells can be generated from human skin by converting fibroblasts to "induced pluripotent stem cells" (iPSCs), then differentiating the iPSCs into "induced hepatocytes". Although still primarily used as a research tool, emerging applications involving iPSC-derived induced hepatocytes have exciting and provocative clinical and translational potential. This review provides a brief summary of the current status of this field and obstacles that must be overcome before this novel tool will enable precision medicine-based approaches to human liver disease.
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12
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Current Perspectives Regarding Stem Cell-Based Therapy for Liver Cirrhosis. Can J Gastroenterol Hepatol 2018; 2018:4197857. [PMID: 29670867 PMCID: PMC5833156 DOI: 10.1155/2018/4197857] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/16/2018] [Indexed: 12/12/2022] Open
Abstract
Liver cirrhosis is a major cause of mortality and a common end of various progressive liver diseases. Since the effective treatment is currently limited to liver transplantation, stem cell-based therapy as an alternative has attracted interest due to promising results from preclinical and clinical studies. However, there is still much to be understood regarding the precise mechanisms of action. A number of stem cells from different origins have been employed for hepatic regeneration with different degrees of success. The present review presents a synopsis of stem cell research for the treatment of patients with liver cirrhosis according to the stem cell type. Clinical trials to date are summarized briefly. Finally, issues to be resolved and future perspectives are discussed with regard to clinical applications.
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13
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Mitchell EL, Khan Z. Liver Disease in Alpha-1 Antitrypsin Deficiency: Current Approaches and Future Directions. CURRENT PATHOBIOLOGY REPORTS 2017; 5:243-252. [PMID: 29399420 PMCID: PMC5780543 DOI: 10.1007/s40139-017-0147-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Purpose of Review The aim of the study is to review the liver disease caused by alpha-1 antitrypsin deficiency (A1ATD), including pathogenesis, epidemiology, diagnostic testing, and recent therapeutic developments. Recent Findings Therapeutic approaches target several intracellular pathways to reduce the cytotoxic effects of the misfolded mutant globular protein (ATZ) on the hepatocyte. These include promoting ATZ transport out of the endoplasmic reticulum (ER), enhancing ATZ degradation, and preventing ATZ globule-aggregation. Summary A1ATD is the leading genetic cause of liver disease among children. It is a protein-folding disorder in which toxic insoluble ATZ proteins aggregate in the ER of hepatocytes leading to inflammation, fibrosis, cirrhosis, and increased risk of hepatocellular carcinoma. The absence of the normal A1AT serum protein also predisposes patients to pan lobar emphysema as adults. At this time, the only approved therapy for A1ATD-associated liver disease is orthotopic liver transplantation, which is curative. However, there has been significant recent progress in the development of small molecule therapies with potential both to preserve the native liver and prevent hepatotoxicity.
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Affiliation(s)
- Ellen L Mitchell
- 1Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Faculty Pavilion 6th Fl, Pittsburgh, PA 15224-1334 USA.,2Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA USA
| | - Zahida Khan
- 1Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Faculty Pavilion 6th Fl, Pittsburgh, PA 15224-1334 USA.,2Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA USA.,3Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA USA.,4McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA USA.,5Pittsburgh Liver Research Center, University of Pittsburgh School of Medicine, Pittsburgh, PA USA
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14
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Fráguas MS, Eggenschwiler R, Hoepfner J, Schiavinato JLDS, Haddad R, Oliveira LHB, Araújo AG, Zago MA, Panepucci RA, Cantz T. MicroRNA-29 impairs the early phase of reprogramming process by targeting active DNA demethylation enzymes and Wnt signaling. Stem Cell Res 2016; 19:21-30. [PMID: 28038351 DOI: 10.1016/j.scr.2016.12.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 11/29/2016] [Accepted: 12/15/2016] [Indexed: 12/25/2022] Open
Abstract
Somatic cell reprogramming by transcription factors and other modifiers such as microRNAs has opened broad avenues for the study of developmental processes, cell fate determination, and interplay of molecular mechanisms in signaling pathways. However, many of the mechanisms that drive nuclear reprogramming itself remain yet to be elucidated. Here, we analyzed the role of miR-29 during reprogramming in more detail. Therefore, we evaluated miR-29 expression during reprogramming of fibroblasts transduced with lentiviral OKS and OKSM vectors and we show that addition of c-MYC to the reprogramming factor cocktail decreases miR-29 expression levels. Moreover, we found that transfection of pre-miR-29a strongly decreased OKS-induced formation of GFP+-colonies in MEF-cells from Oct4-eGFP reporter mouse, whereas anti-miR-29a showed the opposite effect. Furthermore, we studied components of two pathways which are important for reprogramming and which involve miR-29 targets: active DNA-demethylation and Wnt-signaling. We show that inhibition of Tet1, Tet2 and Tet3 as well as activation of Wnt-signaling leads to decreased reprogramming efficiency. Moreover, transfection of pre-miR-29 resulted in elevated expression of β-Catenin transcriptional target sFRP2 and increased TCF/LEF-promoter activity. Finally, we report that Gsk3-β is a direct target of miR-29 in MEF-cells. Together, our findings contribute to the understanding of the molecular mechanisms by which miR-29 influences reprogramming.
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Affiliation(s)
- Mariane Serra Fráguas
- Department of Clinical Medicine, Faculty of Medicine, University of São Paulo (FMRP-USP), Brazil; National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil; Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence and Dept. of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany.
| | - Reto Eggenschwiler
- Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence and Dept. of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany.
| | - Jeannine Hoepfner
- Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence and Dept. of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany.
| | - Josiane Lilian Dos Santos Schiavinato
- National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil.
| | | | - Lucila Habib Bourguignon Oliveira
- National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil.
| | - Amélia Góes Araújo
- Department of Clinical Medicine, Faculty of Medicine, University of São Paulo (FMRP-USP), Brazil; National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil.
| | - Marco Antônio Zago
- Department of Clinical Medicine, Faculty of Medicine, University of São Paulo (FMRP-USP), Brazil; National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil.
| | - Rodrigo Alexandre Panepucci
- Department of Clinical Medicine, Faculty of Medicine, University of São Paulo (FMRP-USP), Brazil; National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC), Center for Cell Therapy (CTC), Regional Blood Center, Ribeirão Preto, Brazil.
| | - Tobias Cantz
- Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence and Dept. of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany.
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15
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Improved bi-allelic modification of a transcriptionally silent locus in patient-derived iPSC by Cas9 nickase. Sci Rep 2016; 6:38198. [PMID: 27910942 PMCID: PMC5133597 DOI: 10.1038/srep38198] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 11/04/2016] [Indexed: 11/26/2022] Open
Abstract
Homology directed repair (HDR)-based genome editing via selectable long flanking arm donors can be hampered by local transgene silencing at transcriptionally silent loci. Here, we report efficient bi-allelic modification of a silent locus in patient-derived hiPSC by using Cas9 nickase and a silencing-resistant donor construct that contains an excisable selection/counter-selection cassette. To identify the most active single guide RNA (sgRNA)/nickase combinations, we employed a lentiviral vector-based reporter assay to determine the HDR efficiencies in cella. Next, we used the most efficient pair of sgRNAs for targeted integration of an improved, silencing-resistant plasmid donor harboring a piggyBac-flanked puroΔtk cassette. Moreover, we took advantage of a dual-fluorescence selection strategy for bi-allelic targeting and achieved 100% counter-selection efficiency after bi-allelic excision of the selection/counter-selection cassette. Together,
we present an improved system for efficient bi-allelic modification of transcriptionally silent loci in human pluripotent stem cells.
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16
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Aravalli RN, Steer CJ. Gene editing technology as an approach to the treatment of liver diseases. Expert Opin Biol Ther 2016; 16:595-608. [DOI: 10.1517/14712598.2016.1158808] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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17
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Hoepfner J, Kleinsorge M, Papp O, Ackermann M, Alfken S, Rinas U, Solodenko W, Kirschning A, Sgodda M, Cantz T. Biphasic modulation of Wnt signaling supports efficient foregut endoderm formation from human pluripotent stem cells. Cell Biol Int 2016; 40:534-48. [DOI: 10.1002/cbin.10590] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 02/07/2016] [Indexed: 01/12/2023]
Affiliation(s)
- Jeannine Hoepfner
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
| | - Mandy Kleinsorge
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
| | - Oliver Papp
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
| | - Mania Ackermann
- iPSC Based Gene Therapy; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
| | - Susanne Alfken
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
| | - Ursula Rinas
- Institute of Technical Chemistry; Leibniz University Hannover; Hannover Germany
| | - Wladimir Solodenko
- Institute of Organic Chemistry; Leibniz University Hannover; Hannover Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry; Leibniz University Hannover; Hannover Germany
| | - Malte Sgodda
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
| | - Tobias Cantz
- Translational Hepatology and Stem Cell Biology; REBIRTH Cluster of Excellence, Hannover Medical School; Hannover Germany
- Department of Gastroenterology, Hepatology, and Endocrinology; Hannover Medical School; Hannover Germany
- Cell and Developmental Biology; Max Planck Institute for Molecular Biomedicine; Münster Germany
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18
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Hansel MC, Davila JC, Vosough M, Gramignoli R, Skvorak KJ, Dorko K, Marongiu F, Blake W, Strom SC. The Use of Induced Pluripotent Stem Cells for the Study and Treatment of Liver Diseases. ACTA ACUST UNITED AC 2016; 67:14.13.1-14.13.27. [PMID: 26828329 DOI: 10.1002/0471140856.tx1413s67] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Liver disease is a major global health concern. Liver cirrhosis is one of the leading causes of death in the world and currently the only therapeutic option for end-stage liver disease (e.g., acute liver failure, cirrhosis, chronic hepatitis, cholestatic diseases, metabolic diseases, and malignant neoplasms) is orthotropic liver transplantation. Transplantation of hepatocytes has been proposed and used as an alternative to whole organ transplant to stabilize and prolong the lives of patients in some clinical cases. Although these experimental therapies have demonstrated promising and beneficial results, their routine use remains a challenge due to the shortage of donor livers available for cell isolation, variable quality of those tissues, the potential need for lifelong immunosuppression in the transplant recipient, and high costs. Therefore, new therapeutic strategies and more reliable clinical treatments are urgently needed. Recent and continuous technological advances in the development of stem cells suggest they may be beneficial in this respect. In this review, we summarize the history of stem cell and induced pluripotent stem cell (iPSC) technology in the context of hepatic differentiation and discuss the potential applications the technology may offer for human liver disease modeling and treatment. This includes developing safer drugs and cell-based therapies to improve the outcomes of patients with currently incurable health illnesses. We also review promising advances in other disease areas to highlight how the stem cell technology could be applied to liver diseases in the future. © 2016 by John Wiley & Sons, Inc.
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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
| | - Julio C Davila
- Department of Biochemistry, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Massoud Vosough
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Roberto Gramignoli
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Kristen J Skvorak
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kenneth Dorko
- Department of Pharmacology, Toxicology and Therapeutics, Kansas University Medical Center, Kansas City, Kansas
| | - Fabio Marongiu
- Department of Biomedical Sciences, Section of Experimental Pathology, Unit of Experimental Medicine, University of Cagliari, Cagliari, Italy
| | - William Blake
- Genetically Modified Models Center of Emphasis, Pfizer, Groton, Connecticut
| | - Stephen C Strom
- McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania.,Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm, Sweden
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19
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Stem Cell Therapies for Treatment of Liver Disease. Biomedicines 2016; 4:biomedicines4010002. [PMID: 28536370 PMCID: PMC5344247 DOI: 10.3390/biomedicines4010002] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 12/30/2015] [Accepted: 12/31/2015] [Indexed: 12/12/2022] Open
Abstract
Cell therapy is an emerging form of treatment for several liver diseases, but is limited by the availability of donor livers. Stem cells hold promise as an alternative to the use of primary hepatocytes. We performed an exhaustive review of the literature, with a focus on the latest studies involving the use of stem cells for the treatment of liver disease. Stem cells can be harvested from a number of sources, or can be generated from somatic cells to create induced pluripotent stem cells (iPSCs). Different cell lines have been used experimentally to support liver function and treat inherited metabolic disorders, acute liver failure, cirrhosis, liver cancer, and small-for-size liver transplantations. Cell-based therapeutics may involve gene therapy, cell transplantation, bioartificial liver devices, or bioengineered organs. Research in this field is still very active. Stem cell therapy may, in the future, be used as a bridge to either liver transplantation or endogenous liver regeneration, but efficient differentiation and production protocols must be developed and safety must be demonstrated before it can be applied to clinical practice.
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20
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Papadopoulos K, Wattanaarsakit P, Prasongchean W, Narain R. Gene therapies in clinical trials. POLYMERS AND NANOMATERIALS FOR GENE THERAPY 2016. [DOI: https:/doi.org/10.1016/b978-0-08-100520-0.00010-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
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21
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Kimbrel EA, Lanza R. Current status of pluripotent stem cells: moving the first therapies to the clinic. Nat Rev Drug Discov 2015; 14:681-92. [PMID: 26391880 DOI: 10.1038/nrd4738] [Citation(s) in RCA: 170] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pluripotent stem cells (PSCs) hold great promise for drug discovery and regenerative medicine owing to their ability to differentiate into any cell type in the body. After more than three decades of research, including delays due to the potential tumorigenicity of PSCs and inefficiencies in differentiation methods, the field is at a turning point, with a number of clinical trials across the globe now testing PSC-derived products in humans. Ocular diseases dominate these first-in-man trials, and Phase l/ll results are showing promising safety data as well as possible efficacy. In addition, the advent of induced PSC (iPSC) technology is enabling the development of a wide range of cell-based disease models from genetically predisposed patients, thereby facilitating drug discovery. In this Review, we discuss the recent progress and remaining challenges for the use of PSCs in regenerative medicine and drug development.
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Affiliation(s)
- Erin A Kimbrel
- Ocata Therapeutics, 33 Locke Drive, Marlborough, Massachusetts 01752, USA
| | - Robert Lanza
- Ocata Therapeutics, 33 Locke Drive, Marlborough, Massachusetts 01752, USA
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22
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Abstract
Periodontitis is a chronic inflammatory disease which leads to destruction of both the soft and hard tissues of the periodontium. Tissue engineering is a therapeutic approach in regenerative medicine that aims to induce new functional tissue regeneration via the synergistic combination of cells, biomaterials, and/or growth factors. Advances in our understanding of the biology of stem cells, including embryonic stem cells and mesenchymal stem cells, have provided opportunities for periodontal tissue engineering. However, there remain a number of limitations affecting their therapeutic efficiency. Due to the considerable proliferation and differentiation capacities, recently described induced pluripotent stem cells (iPSCs) provide a new way for cell-based therapies for periodontal regeneration. This review outlines the latest status of periodontal tissue engineering and highlights the potential use of iPSCs in periodontal tissue regeneration.
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Affiliation(s)
- Mi Du
- Shandong provincial key laboratory of oral tissue regeneration, Department of Periodontology, School of Stomatology, Shandong University, No.44-1 West Wenhua Rd., Jinan, 250012 People's Republic of China
| | - Xuejing Duan
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong University, No.324 Jingwu Rd., Jinan, 250000 People's Republic of China
| | - Pishan Yang
- Shandong provincial key laboratory of oral tissue regeneration, Department of Periodontology, School of Stomatology, Shandong University, No.44-1 West Wenhua Rd., Jinan, 250012 People's Republic of China
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23
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Tafaleng EN, Chakraborty S, Han B, Hale P, Wu W, Soto-Gutierrez A, Feghali-Bostwick CA, Wilson AA, Kotton DN, Nagaya M, Strom SC, Chowdhury JR, Stolz DB, Perlmutter DH, Fox IJ. Induced pluripotent stem cells model personalized variations in liver disease resulting from α1-antitrypsin deficiency. Hepatology 2015; 62:147-57. [PMID: 25690322 PMCID: PMC4482790 DOI: 10.1002/hep.27753] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 02/13/2015] [Indexed: 12/15/2022]
Abstract
UNLABELLED In the classical form of α1-antitrypsin deficiency (ATD), aberrant intracellular accumulation of misfolded mutant α1-antitrypsin Z (ATZ) in hepatocytes causes hepatic damage by a gain-of-function, "proteotoxic" mechanism. Whereas some ATD patients develop severe liver disease (SLD) that necessitates liver transplantation, others with the same genetic defect completely escape this clinical phenotype. We investigated whether induced pluripotent stem cells (iPSCs) from ATD individuals with or without SLD could model these personalized variations in hepatic disease phenotypes. Patient-specific iPSCs were generated from ATD patients and a control and differentiated into hepatocyte-like cells (iHeps) having many characteristics of hepatocytes. Pulse-chase and endoglycosidase H analysis demonstrate that the iHeps recapitulate the abnormal accumulation and processing of the ATZ molecule, compared to the wild-type AT molecule. Measurements of the fate of intracellular ATZ show a marked delay in the rate of ATZ degradation in iHeps from SLD patients, compared to those from no liver disease patients. Transmission electron microscopy showed dilated rough endoplasmic reticulum in iHeps from all individuals with ATD, not in controls, but globular inclusions that are partially covered with ribosomes were observed only in iHeps from individuals with SLD. CONCLUSION iHeps model the individual disease phenotypes of ATD patients with more rapid degradation of misfolded ATZ and lack of globular inclusions in cells from patients who have escaped liver disease. The results support the concept that "proteostasis" mechanisms, such as intracellular degradation pathways, play a role in observed variations in clinical phenotype and show that iPSCs can potentially be used to facilitate predictions of disease susceptibility for more precise and timely application of therapeutic strategies.
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Affiliation(s)
- Edgar N. Tafaleng
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA
| | - Souvik Chakraborty
- Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA,Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Bing Han
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA
| | - Pamela Hale
- Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA,Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Wanquan Wu
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA
| | - Alejandro Soto-Gutierrez
- Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA,Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | | | - Andrew A. Wilson
- Department of Medicine, Boston University School of Medicine, Boston, MA
| | - Darrell N. Kotton
- Department of Medicine, Boston University School of Medicine, Boston, MA
| | - Masaki Nagaya
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Stephen C. Strom
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm, Sweden
| | | | - Donna B. Stolz
- Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - David H. Perlmutter
- Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA,Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Ira J. Fox
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA
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24
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Aravalli RN, Belcher JD, Steer CJ. Liver-targeted gene therapy: Approaches and challenges. Liver Transpl 2015; 21:718-37. [PMID: 25824605 PMCID: PMC9353592 DOI: 10.1002/lt.24122] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 03/06/2015] [Accepted: 03/14/2015] [Indexed: 12/15/2022]
Abstract
The liver plays a major role in many inherited and acquired genetic disorders. It is also the site for the treatment of certain inborn errors of metabolism that do not directly cause injury to the liver. The advancement of nucleic acid-based therapies for liver maladies has been severely limited because of the myriad untoward side effects and methodological limitations. To address these issues, research efforts in recent years have been intensified toward the development of targeted gene approaches using novel genetic tools, such as zinc-finger nucleases, transcription activator-like effector nucleases, and clustered regularly interspaced short palindromic repeats as well as various nonviral vectors such as Sleeping Beauty transposons, PiggyBac transposons, and PhiC31 integrase. Although each of these methods uses a distinct mechanism of gene modification, all of them are dependent on the efficient delivery of DNA and RNA molecules into the cell. This review provides an overview of current and emerging therapeutic strategies for liver-targeted gene therapy and gene repair.
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Affiliation(s)
- Rajagopal N. Aravalli
- Department of Radiology, University of Minnesota Medical School, Minneapolis, MN 54455
| | - John D. Belcher
- Department of Medicine, University of Minnesota Medical School, Minneapolis, MN 54455
| | - Clifford J. Steer
- Department of Medicine, University of Minnesota Medical School, Minneapolis, MN 54455,Genetics, Cell Biology and Development, University of Minnesota Medical School, Minneapolis, MN 54455
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25
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Focosi D, Maggi F, Ceccherini-Nelli L, Pistello M. Cell therapies for treatment of human immunodeficiency virus infection. Rev Med Virol 2015; 25:156-74. [PMID: 25727480 DOI: 10.1002/rmv.1831] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 01/30/2015] [Accepted: 02/05/2015] [Indexed: 12/15/2022]
Abstract
After the serendipitous discovery of HIV eradication in the "Berlin patient", interest has grown in curing HIV infection by replacing the patient's replication-competent blood cells with infection-resistant ones. At the same time, induced pluripotent stem cell technologies and genetic engineering have boosted cell therapy transfer into the clinic. Currently available cell therapy approaches to attempt to cure HIV infection include the following: (1) Transplantation of autologous or allogeneic cells spontaneously resistant or edited to resist HIV infection; (2) Transplantation of autologous T-lymphocytes spontaneously targeting or redirected against HIV; and (3) Transplantation of autologous cells engineered to work as anti-HIV antibody factories. We review here the preliminary results and potential for future applications of these approaches.
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Affiliation(s)
- Daniele Focosi
- Retrovirus Center and Virology Section, Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
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26
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McElvaney OJ, Bella AME, McElvaney NG. α-1 antitrypsin deficiency: current and future treatment options. Expert Opin Orphan Drugs 2014. [DOI: 10.1517/21678707.2015.997208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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27
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A Comparative View on Human Somatic Cell Sources for iPSC Generation. Stem Cells Int 2014; 2014:768391. [PMID: 25431601 PMCID: PMC4241335 DOI: 10.1155/2014/768391] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 10/13/2014] [Accepted: 10/13/2014] [Indexed: 12/18/2022] Open
Abstract
The breakthrough of reprogramming human somatic cells was achieved in 2006 by the work of Yamanaka and Takahashi. From this point, fibroblasts are the most commonly used primary somatic cell type for the generation of induced pluripotent stem cells (iPSCs). Various characteristics of fibroblasts supported their utilization for the groundbreaking experiments of iPSC generation. One major advantage is the high availability of fibroblasts which can be easily isolated from skin biopsies. Furthermore, their cultivation, propagation, and cryoconservation properties are uncomplicated with respect to nutritional requirements and viability in culture. However, the required skin biopsy remains an invasive approach, representing a major drawback for using fibroblasts as the starting material. More and more studies appeared over the last years, describing the reprogramming of other human somatic cell types. Cells isolated from blood samples or urine, as well as more unexpected cell types, like pancreatic islet beta cells, synovial cells, or mesenchymal stromal cells from wisdom teeth, show promising characteristics for a reprogramming strategy. Here, we want to highlight the advantages of keratinocytes from human plucked hair as a widely usable, noninvasive harvesting method for primary material in comparison with other commonly used cell types.
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28
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Sterneckert JL, Reinhardt P, Schöler HR. Investigating human disease using stem cell models. Nat Rev Genet 2014; 15:625-39. [PMID: 25069490 DOI: 10.1038/nrg3764] [Citation(s) in RCA: 193] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tractable and accurate disease models are essential for understanding disease pathogenesis and for developing new therapeutics. As stem cells are capable of self-renewal and differentiation, they are ideally suited both for generating these models and for obtaining the large quantities of cells required for drug development and transplantation therapies. Although proof of principle for the use of adult stem cells and embryonic stem cells in disease modelling has been established, induced pluripotent stem cells (iPSCs) have demonstrated the greatest utility for modelling human diseases. Furthermore, combining gene editing with iPSCs enables the generation of models of genetically complex disorders.
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Affiliation(s)
- Jared L Sterneckert
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Peter Reinhardt
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Hans R Schöler
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
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29
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Induced pluripotent stem cells in hematology: current and future applications. Blood Cancer J 2014; 4:e211. [PMID: 24813079 PMCID: PMC4042300 DOI: 10.1038/bcj.2014.30] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 03/26/2014] [Accepted: 04/02/2014] [Indexed: 12/18/2022] Open
Abstract
Reprogramming somatic cells into induced pluripotent stem (iPS) cells is nowadays approaching effectiveness and clinical grade. Potential uses of this technology include predictive toxicology, drug screening, pathogenetic studies and transplantation. Here, we review the basis of current iPS cell technology and potential applications in hematology, ranging from disease modeling of congenital and acquired hemopathies to hematopoietic stem and other blood cell transplantation.
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30
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Abstract
Cell therapy as a replacement for diseased or destroyed endogenous cells is a major component of regenerative medicine. Various types of stem cells are or will be used in clinical settings as autologous or allogeneic products. In this chapter, the progress that has been made to translate basic stem cell research into pharmaceutical manufacturing processes will be reviewed. Even if in public perception, embryonic stem (ES) cells and more recently induced pluripotent stem (iPS) cells dominate the field of regenerative medicine and will be discussed in great detail, it is the adult stem cells that are used for decades as therapeutics. Hence, these cells will be compared to ES and iPS cells. Finally, special emphasis will be placed on the scientific, technical, and economic challenges of developing stem cell-based in vitro model systems and cell therapies that can be commercialized.
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Affiliation(s)
- Insa S Schroeder
- Department of Biophysics, GSI Helmholtz Center for Heavy Ion Research, Planckstr. 29, 64291, Darmstadt, Germany,
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31
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Ackermann M, Lachmann N, Hartung S, Eggenschwiler R, Pfaff N, Happle C, Mucci A, Göhring G, Niemann H, Hansen G, Schambach A, Cantz T, Zweigerdt R, Moritz T. Promoter and lineage independent anti-silencing activity of the A2 ubiquitous chromatin opening element for optimized human pluripotent stem cell-based gene therapy. Biomaterials 2013; 35:1531-42. [PMID: 24290698 DOI: 10.1016/j.biomaterials.2013.11.024] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 11/07/2013] [Indexed: 12/31/2022]
Abstract
Epigenetic silencing of retroviral transgene expression in pluripotent stem cells (PSC) and their differentiated progeny constitutes a major roadblock for PSC-based gene therapy. As ubiquitous chromatin opening elements (UCOEs) have been successfully employed to stabilize transgene expression in murine hematopoietic and pluripotent stem cells as well as their differentiated progeny, we here investigated UCOE activity in their human counterparts to establish a basis for future clinical application of the element. To this end, we demonstrate profound anti-silencing activity of the A2UCOE in several human iPS and ES cell lines including their progeny obtained upon directed cardiac or hematopoietic differentiation. We also provide evidence for A2UCOE activity in murine iPSC-derived hepatocyte-like cells, thus establishing efficacy of the element in cells of different germ layers. Finally, we investigated combinations of the A2UCOE with viral promoter/enhancer elements again demonstrating profound stabilization of transgene expression. In all these settings the effect of the A2UCOE was associated with strongly reduced promoter DNA-methylation. Thus, our data clearly support the concept of the A2UCOE as a generalized strategy to prevent epigenetic silencing in PSC and their differentiated progeny and strongly favors its application to stabilize transgene expression in PSC-based cell and gene therapy approaches.
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Affiliation(s)
- Mania Ackermann
- Reprogramming and Gene Therapy Group, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Institute of Experimental Hematology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Nico Lachmann
- Reprogramming and Gene Therapy Group, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Institute of Experimental Hematology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Susann Hartung
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Reto Eggenschwiler
- Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Nils Pfaff
- Reprogramming and Gene Therapy Group, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Institute of Experimental Hematology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Christine Happle
- Department of Pediatrics, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the Center for Lung Research (DZL), Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Adele Mucci
- Reprogramming and Gene Therapy Group, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Gudrun Göhring
- Institute of Cell and Molecular Pathology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Heiner Niemann
- Institute of Farm Animal Genetics, Friedrich-Löffler-Institut, Mariensee/Neustadt, Lower Saxony 31535, Germany
| | - Gesine Hansen
- Department of Pediatrics, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the Center for Lung Research (DZL), Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Axel Schambach
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Tobias Cantz
- Translational Hepatology and Stem Cell Biology, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Robert Zweigerdt
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Lower Saxony 30625, Germany
| | - Thomas Moritz
- Reprogramming and Gene Therapy Group, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Lower Saxony 30625, Germany; Institute of Experimental Hematology, Hannover Medical School, Hannover, Lower Saxony 30625, Germany.
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