1
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Vonada A, Wakefield L, Martinez M, Harding CO, Grompe M, Tiyaboonchai A. Complete correction of murine phenylketonuria by selection-enhanced hepatocyte transplantation. Hepatology 2024; 79:1088-1097. [PMID: 37824086 DOI: 10.1097/hep.0000000000000631] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND AND AIMS Hepatocyte transplantation for genetic liver diseases has several potential advantages over gene therapy. However, the low efficiency of cell engraftment has limited its clinical implementation. This problem could be overcome by selectively expanding transplanted donor cells until they replace enough of the liver mass to achieve therapeutic benefit. We previously described a gene therapy method to selectively expand hepatocytes deficient in cytochrome p450 reductase (Cypor) using acetaminophen (APAP). Because Cypor is required for the transformation of APAP to a hepatotoxic metabolite, Cypor-deficient cells are protected from toxicity and are able to expand following APAP-induced liver injury. Here, we apply this selection system to correct a mouse model of phenylketonuria by cell transplantation. APPROACH AND RESULTS Hepatocytes from a wild-type donor animal were edited in vitro to create Cypor deficiency and then transplanted into phenylketonuric animals. Following selection with APAP, blood phenylalanine concentrations were fully normalized and remained stable following APAP withdrawal. Cypor-deficient hepatocytes expanded from < 1% to ~14% in corrected animals, and they showed no abnormalities in blood chemistries, liver histology, or drug metabolism. CONCLUSIONS We conclude that APAP-mediated selection of transplanted hepatocytes is a potential therapeutic for phenylketonuria with long-term efficacy and a favorable safety profile.
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Affiliation(s)
- Anne Vonada
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, Oregon, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA
| | - Leslie Wakefield
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, Oregon, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA
| | - Michael Martinez
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA
| | - Cary O Harding
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA
| | - Markus Grompe
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, Oregon, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA
| | - Amita Tiyaboonchai
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, Oregon, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA
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2
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Zhang Z, Zhang S, Wong HT, Li D, Feng B. Targeted Gene Insertion: The Cutting Edge of CRISPR Drug Development with Hemophilia as a Highlight. BioDrugs 2024; 38:369-385. [PMID: 38489061 PMCID: PMC11055778 DOI: 10.1007/s40259-024-00654-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2024] [Indexed: 03/17/2024]
Abstract
The remarkable advance in gene editing technology presents unparalleled opportunities for transforming medicine and finding cures for hereditary diseases. Human trials of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein-9 nuclease (Cas9)-based therapeutics have demonstrated promising results in disrupting or deleting target sequences to treat specific diseases. However, the potential of targeted gene insertion approaches, which offer distinct advantages over disruption/deletion methods, remains largely unexplored in human trials due to intricate technical obstacles and safety concerns. This paper reviews the recent advances in preclinical studies demonstrating in vivo targeted gene insertion for therapeutic benefits, targeting somatic solid tissues through systemic delivery. With a specific emphasis on hemophilia as a prominent disease model, we highlight advancements in insertion strategies, including considerations of DNA repair pathways, targeting site selection, and donor design. Furthermore, we discuss the complex challenges and recent breakthroughs that offer valuable insights for progressing towards clinical trials.
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Affiliation(s)
- Zhenjie Zhang
- School of Biomedical Sciences, Faculty of Medicine, CUHK-GIBH CAS Joint Research Laboratory on Stem Cell and Regenerative Medicine, The Chinese University of Hong Kong, Room 105A, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, Shatin, NT, Hong Kong SAR, China
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Chinese Academy of Sciences, Hong Kong SAR, China
| | - Siqi Zhang
- School of Biomedical Sciences, Faculty of Medicine, CUHK-GIBH CAS Joint Research Laboratory on Stem Cell and Regenerative Medicine, The Chinese University of Hong Kong, Room 105A, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, Shatin, NT, Hong Kong SAR, China
| | - Hoi Ting Wong
- School of Biomedical Sciences, Faculty of Medicine, CUHK-GIBH CAS Joint Research Laboratory on Stem Cell and Regenerative Medicine, The Chinese University of Hong Kong, Room 105A, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, Shatin, NT, Hong Kong SAR, China
| | - Dali Li
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Bo Feng
- School of Biomedical Sciences, Faculty of Medicine, CUHK-GIBH CAS Joint Research Laboratory on Stem Cell and Regenerative Medicine, The Chinese University of Hong Kong, Room 105A, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, Shatin, NT, Hong Kong SAR, China.
- Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Chinese Academy of Sciences, Hong Kong SAR, China.
- Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
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3
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Schulze RJ, Strom SC, Nyberg SL. From pain to gain: Leveraging acetaminophen in hepatocyte transplantation for phenylketonuria. Hepatology 2024; 79:973-975. [PMID: 38085850 DOI: 10.1097/hep.0000000000000713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 01/30/2024]
Affiliation(s)
| | - Stephen C Strom
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Scott L Nyberg
- Department of Surgery, Mayo Clinic, Rochester, Minnesota, USA
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota, USA
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4
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Baruteau J, Brunetti-Pierri N, Gissen P. Liver-directed gene therapy for inherited metabolic diseases. J Inherit Metab Dis 2024; 47:9-21. [PMID: 38171926 DOI: 10.1002/jimd.12709] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024]
Abstract
Gene therapy clinical trials are rapidly expanding for inherited metabolic liver diseases whilst two gene therapy products have now been approved for liver based monogenic disorders. Liver-directed gene therapy has recently become an option for treatment of haemophilias and is likely to become one of the favoured therapeutic strategies for inherited metabolic liver diseases in the near future. In this review, we present the different gene therapy vectors and strategies for liver-targeting, including gene editing. We highlight the current development of viral and nonviral gene therapy for a number of inherited metabolic liver diseases including urea cycle defects, organic acidaemias, Crigler-Najjar disease, Wilson disease, glycogen storage disease Type Ia, phenylketonuria and maple syrup urine disease. We describe the main limitations and open questions for further gene therapy development: immunogenicity, inflammatory response, genotoxicity, gene therapy administration in a fibrotic liver. The follow-up of a constantly growing number of gene therapy treated patients allows better understanding of its benefits and limitations and provides strategies to design safer and more efficacious treatments. Undoubtedly, liver-targeting gene therapy offers a promising avenue for innovative therapies with an unprecedented potential to address the unmet needs of patients suffering from inherited metabolic diseases.
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Affiliation(s)
- Julien Baruteau
- Department of Paediatric Metabolic Medicine, Great Ormond Street Hospital for Children NHS Trust, London, UK
- University College London Great Ormond Street Institute of Child Health, London, UK
- National Institute of Health Research Great Ormond Street Biomedical Research Centre, London, UK
| | - Nicola Brunetti-Pierri
- Telethon Institute of Genetics and Medicine, Pozzuoli, Italy
- Department of Translational Medicine, Federico II University, Naples, Italy
- Scuola Superiore Meridionale (SSM, School of Advanced Studies), Genomics and Experimental Medicine Program, University of Naples Federico II, Naples, Italy
| | - Paul Gissen
- Department of Paediatric Metabolic Medicine, Great Ormond Street Hospital for Children NHS Trust, London, UK
- University College London Great Ormond Street Institute of Child Health, London, UK
- National Institute of Health Research Great Ormond Street Biomedical Research Centre, London, UK
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5
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Martinez M, Harding CO, Schwank G, Thöny B. State-of-the-art 2023 on gene therapy for phenylketonuria. J Inherit Metab Dis 2024; 47:80-92. [PMID: 37401651 PMCID: PMC10764640 DOI: 10.1002/jimd.12651] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/13/2023] [Accepted: 06/30/2023] [Indexed: 07/05/2023]
Abstract
Phenylketonuria (PKU) or hyperphenylalaninemia is considered a paradigm for an inherited (metabolic) liver defect and is, based on murine models that replicate all human pathology, an exemplar model for experimental studies on liver gene therapy. Variants in the PAH gene that lead to hyperphenylalaninemia are never fatal (although devastating if untreated), newborn screening has been available for two generations, and dietary treatment has been considered for a long time as therapeutic and satisfactory. However, significant shortcomings of contemporary dietary treatment of PKU remain. A long list of various gene therapeutic experimental approaches using the classical model for human PKU, the homozygous enu2/2 mouse, witnesses the value of this model to develop treatment for a genetic liver defect. The list of experiments for proof of principle includes recombinant viral (AdV, AAV, and LV) and non-viral (naked DNA or LNP-mRNA) vector delivery methods, combined with gene addition, genome, gene or base editing, and gene insertion or replacement. In addition, a list of current and planned clinical trials for PKU gene therapy is included. This review summarizes, compares, and evaluates the various approaches for the sake of scientific understanding and efficacy testing that may eventually pave the way for safe and efficient human application.
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Affiliation(s)
- Michael Martinez
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
| | - Cary O. Harding
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
| | - Gerald Schwank
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland
| | - Beat Thöny
- Division of Metabolism, University Children’s Hospital Zurich and Children’s Research Centre, Zurich, Switzerland
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6
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Xu Y, Xia Y, Liu Q, Jing X, Tang Q, Zhang J, Jia Q, Zhang Z, Li J, Chen J, Xiong Y, Li Y, He J. Glutaredoxin-1 alleviates acetaminophen-induced liver injury by decreasing its toxic metabolites. J Pharm Anal 2023; 13:1548-1561. [PMID: 38223455 PMCID: PMC10785153 DOI: 10.1016/j.jpha.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/06/2023] [Accepted: 08/07/2023] [Indexed: 01/16/2024] Open
Abstract
Excessive N-acetyl-p-benzoquinone imine (NAPQI) formation is a starting event that triggers oxidative stress and subsequent hepatocyte necrosis in acetaminophen (APAP) overdose caused acute liver failure (ALF). S-glutathionylation is a reversible redox post-translational modification and a prospective mechanism of APAP hepatotoxicity. Glutaredoxin-1 (Glrx1), a glutathione-specific thioltransferase, is a primary enzyme to catalyze deglutathionylation. The objective of this study was to explored whether and how Glrx1 is associated with the development of ALF induced by APAP. The Glrx1 knockout mice (Glrx1-/-) and liver-specific overexpression of Glrx1 (AAV8-Glrx1) mice were produced and underwent APAP-induced ALF. Pirfenidone (PFD), a potential inducer of Glrx1, was administrated preceding APAP to assess its protective effects. Our results revealed that the hepatic total protein S-glutathionylation (PSSG) increased and the Glrx1 level reduced in mice after APAP toxicity. Glrx1-/- mice were more sensitive to APAP overdose, with higher oxidative stress and more toxic metabolites of APAP. This was attributed to Glrx1 deficiency increasing the total hepatic PSSG and the S-glutathionylation of cytochrome p450 3a11 (Cyp3a11), which likely increased the activity of Cyp3a11. Conversely, AAV8-Glrx1 mice were defended against liver damage caused by APAP overdose by inhibiting the S-glutathionylation and activity of Cyp3a11, which reduced the toxic metabolites of APAP and oxidative stress. PFD precede administration upregulated Glrx1 expression and alleviated APAP-induced ALF by decreasing oxidative stress. We have identified the function of Glrx1 mediated PSSG in liver injury caused by APAP overdose. Increasing Glrx1 expression may be investigated for the medical treatment of APAP-caused hepatic injury.
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Affiliation(s)
| | | | - Qinhui Liu
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiandan Jing
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qin Tang
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinhang Zhang
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qingyi Jia
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zijing Zhang
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiahui Li
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiahao Chen
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yimin Xiong
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yanping Li
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinhan He
- Department of Pharmacy, Institute of Metabolic Diseases and Pharmacotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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7
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Sun Z, Yuan X, Wu J, Wang C, Zhang K, Zhang L, Hui L. Hepatocyte transplantation: The progress and the challenges. Hepatol Commun 2023; 7:e0266. [PMID: 37695736 PMCID: PMC10497249 DOI: 10.1097/hc9.0000000000000266] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 07/26/2023] [Indexed: 09/13/2023] Open
Abstract
Numerous studies have shown that hepatocyte transplantation is a promising approach for liver diseases, such as liver-based metabolic diseases and acute liver failure. However, it lacks strong evidence to support the long-term therapeutic effects of hepatocyte transplantation in clinical practice. Currently, major hurdles include availability of quality-assured hepatocytes, efficient engraftment and repopulation, and effective immunosuppressive regimens. Notably, cell sources have been advanced recently by expanding primary human hepatocytes by means of dedifferentiation in vitro. Moreover, the transplantation efficiency was remarkably improved by the established preparative hepatic irradiation in combination with hepatic mitogenic stimuli regimens. Finally, immunosuppression drugs, including glucocorticoid and inhibitors for co-stimulating signals of T cell activation, were proposed to prevent innate and adaptive immune rejection of allografted hepatocytes. Despite remarkable progress, further studies are required to improve in vitro cell expansion technology, develop clinically feasible preconditioning regimens, and further optimize immunosuppression regimens or establish ex vivo gene correction-based autologous hepatocyte transplantation.
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Affiliation(s)
- Zhen Sun
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xiang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jingqi Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Chenhua Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Kun Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
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8
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Vonada A, Wakefield L, Martinez M, Harding CO, Grompe M, Tiyaboonchai A. Complete correction of murine phenylketonuria by selection-enhanced hepatocyte transplantation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.27.554228. [PMID: 37693457 PMCID: PMC10491101 DOI: 10.1101/2023.08.27.554228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Hepatocyte transplantation for genetic liver diseases has several potential advantages over gene therapy. However, low efficiency of cell engraftment has limited its clinical implementation. This problem could be overcome by selectively expanding transplanted donor cells until they replace enough of the liver mass to achieve therapeutic benefit. We previously described a gene therapy method to selectively expand hepatocytes deficient in cytochrome p450 reductase (Cypor) using acetaminophen (APAP). Because Cypor is required for the transformation of APAP to a hepatotoxic metabolite, Cypor deficient cells are protected from toxicity and are able to expand following APAP-induced liver injury. Here, we apply this selection system to correct a mouse model of phenylketonuria (PKU) by cell transplantation. Hepatocytes from a wildtype donor animal were edited in vitro to create Cypor deficiency and then transplanted into PKU animals. Following selection with APAP, blood phenylalanine concentrations were fully normalized and remained stable following APAP withdrawal. Cypor-deficient hepatocytes expanded from <1% to ~14% in corrected animals, and they showed no abnormalities in blood chemistries, liver histology, or drug metabolism. We conclude that APAP-mediated selection of transplanted hepatocytes is a potential therapeutic for PKU with long-term efficacy and a favorable safety profile.
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Affiliation(s)
- Anne Vonada
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Leslie Wakefield
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Michael Martinez
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Cary O. Harding
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Markus Grompe
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Amita Tiyaboonchai
- Oregon Stem Cell Center, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, OR 97239, USA
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9
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Du H, Tong S, Kuang G, Gong X, Jiang N, Yang X, Liu H, Li N, Xie Y, Xiang Y, Guo J, Li Z, Yuan Y, Wu S, Wan J. Sesamin Protects against APAP-Induced Acute Liver Injury by Inhibiting Oxidative Stress and Inflammatory Response via Deactivation of HMGB1/TLR4/NF κB Signal in Mice. J Immunol Res 2023; 2023:1116841. [PMID: 37663051 PMCID: PMC10471453 DOI: 10.1155/2023/1116841] [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: 12/08/2022] [Revised: 07/16/2023] [Accepted: 08/04/2023] [Indexed: 09/05/2023] Open
Abstract
Acetaminophen (APAP) overdose would lead to liver toxicity and even acute liver failure in severe cases by triggering an inflammatory response and oxidative stress. Sesamin has been reported to possess anti-inflammatory and antioxidant actions in several animal disease models. In the present study, the effects and mechanisms of sesamin on APAP-induced acute liver injury (ALI) were explored. The results showed that pretreatment with sesamin significantly alleviated APAP-induced ALI, as indicated by decreased serum aminotransferase activities, hepatic pathological damages, and hepatic cellular apoptosis. But sesamin has no significant effects on the expression of cytochrome P450 2E1 (CYP2E1), APAP-cysteine adducts (APAP-CYS) production, and glutathione content in the liver of APAP-administered mice. Moreover, APAP-induced liver oxidative stress and inflammatory response also were remarkedly attenuated by sesamin, including reducing hepatic reactive oxygen species levels, promoting antioxidant generation, and inhibiting the expression of TNF-α and IL-1β, as well as decreasing inflammatory cell recruitment. Notably, sesamin inhibited serum high-mobility group box 1 (HMGB1) releases and blocked hepatic activation of Toll-like receptor 4 (TLR4)-interleukin 1 receptor-associated kinase 3-nuclear factor kappa B (NF-κB) signaling pathway in APAP-administered mice. These findings indicated that sesamin could mitigate APAP-induced ALI through suppression of oxidative stress and inflammatory response, which might be mediated by the deactivation of HMGB1/TLR4/NF-κB signaling in mice.
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Affiliation(s)
- Hui Du
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Shiwen Tong
- Department of Clinical Nutrition, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Ge Kuang
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Xia Gong
- Department of Anatomy, Chongqing Medical University, Chongqing, China
| | - Ningman Jiang
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Xian Yang
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Hao Liu
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Nana Li
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Yao Xie
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Yang Xiang
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Jiashi Guo
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
| | - Zhenhan Li
- Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
| | - Yinglin Yuan
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Shengwang Wu
- Department of Hematology, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Jingyuan Wan
- Department of Pharmacology, Chongqing Medical University, Chongqing, China
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10
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De Giorgi M, Park SH, Castoreno A, Cao M, Hurley A, Saxena L, Chuecos MA, Walkey CJ, Doerfler AM, Furgurson MN, Ljungberg MC, Patel KR, Hyde S, Chickering T, Lefebvre S, Wassarman K, Miller P, Qin J, Schlegel MK, Zlatev I, Li RG, Kim J, Martin JF, Bissig KD, Jadhav V, Bao G, Lagor WR. In vivo expansion of gene-targeted hepatocytes through transient inhibition of an essential gene. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.26.550728. [PMID: 37546995 PMCID: PMC10402145 DOI: 10.1101/2023.07.26.550728] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Homology Directed Repair (HDR)-based genome editing is an approach that could permanently correct a broad range of genetic diseases. However, its utility is limited by inefficient and imprecise DNA repair mechanisms in terminally differentiated tissues. Here, we tested "Repair Drive", a novel method for improving targeted gene insertion in the liver by selectively expanding correctly repaired hepatocytes in vivo. Our system consists of transient conditioning of the liver by knocking down an essential gene, and delivery of an untargetable version of the essential gene in cis with a therapeutic transgene. We show that Repair Drive dramatically increases the percentage of correctly targeted hepatocytes, up to 25%. This resulted in a five-fold increased expression of a therapeutic transgene. Repair Drive was well-tolerated and did not induce toxicity or tumorigenesis in long term follow up. This approach will broaden the range of liver diseases that can be treated with somatic genome editing.
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Affiliation(s)
- Marco De Giorgi
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - So Hyun Park
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - Adam Castoreno
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Mingming Cao
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - Ayrea Hurley
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Lavanya Saxena
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - Marcel A. Chuecos
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
- Translational Biology and Molecular Medicine Program, Baylor College of Medicine, Houston, TX 77030, USA
| | - Christopher J. Walkey
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Alexandria M. Doerfler
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Mia N. Furgurson
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - M. Cecilia Ljungberg
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
- Duncan Neurological Research Institute, Texas Children’s Hospital, Houston, TX 77030, USA
| | - Kalyani R. Patel
- Department of Pathology, Texas Children’s Hospital, Houston, TX 77030, USA
| | - Sarah Hyde
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Tyler Chickering
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | | | - Kelly Wassarman
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Patrick Miller
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - June Qin
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Mark K. Schlegel
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Ivan Zlatev
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Rich Gang Li
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Heart Institute, Houston, TX 77030, USA
| | - Jong Kim
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Heart Institute, Houston, TX 77030, USA
| | - James F. Martin
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Heart Institute, Houston, TX 77030, USA
| | - Karl-Dimiter Bissig
- Department of Pediatrics, Alice and Y. T. Chen Center for Genetics and Genomics, Division of Medical Genetics, Duke University, Durham, NC 27710, USA
| | - Vasant Jadhav
- Alnylam Pharmaceuticals Inc, 675 W Kendall St, Cambridge, MA 02142, USA
| | - Gang Bao
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - William R. Lagor
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA
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11
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Intrabiliary infusion of naked DNA vectors targets periportal hepatocytes in mice. MOLECULAR THERAPY - METHODS & CLINICAL DEVELOPMENT 2022; 27:352-367. [DOI: 10.1016/j.omtm.2022.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
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12
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Tiyaboonchai A, Vonada A, Posey J, Pelz C, Wakefield L, Grompe M. Self-cleaving guide RNAs enable pharmacological selection of precise gene editing events in vivo. Nat Commun 2022; 13:7391. [PMID: 36450762 PMCID: PMC9712609 DOI: 10.1038/s41467-022-35097-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 11/15/2022] [Indexed: 12/03/2022] Open
Abstract
Expression of guide RNAs in the CRISPR/Cas9 system typically requires the use of RNA polymerase III promoters, which are not cell-type specific. Flanking the gRNA with self-cleaving ribozyme motifs to create a self-cleaving gRNA overcomes this limitation. Here, we use self-cleaving gRNAs to create drug-selectable gene editing events in specific hepatocyte loci. A recombinant Adeno Associated Virus vector targeting the Albumin locus with a promoterless self-cleaving gRNA to create drug resistance is linked in cis with the therapeutic transgene. Gene expression of both are dependent on homologous recombination into the target locus. In vivo drug selection for the precisely edited hepatocytes allows >30-fold expansion of gene-edited cells and results in therapeutic levels of a human Factor 9 transgene. Importantly, self-cleaving gRNA expression is also achieved after targeting weak hepatocyte genes. We conclude that self-cleaving gRNAs are a powerful system to enable cell-type specific in vivo drug resistance for therapeutic gene editing applications.
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Affiliation(s)
- Amita Tiyaboonchai
- Oregon Stem Cell Center, Papé Pediatric Research Institute, Oregon Health & Science University, Portland, OR, 97239, USA.
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, 97239, USA.
| | - Anne Vonada
- Oregon Stem Cell Center, Papé Pediatric Research Institute, Oregon Health & Science University, Portland, OR, 97239, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Jeffrey Posey
- Oregon Stem Cell Center, Papé Pediatric Research Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Carl Pelz
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Leslie Wakefield
- Oregon Stem Cell Center, Papé Pediatric Research Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Markus Grompe
- Oregon Stem Cell Center, Papé Pediatric Research Institute, Oregon Health & Science University, Portland, OR, 97239, USA
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, 97239, USA
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, 97239, USA
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13
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Rathbone T, Ates I, Fernando L, Addlestone E, Lee CM, Richards VP, Cottle RN. Electroporation-mediated Delivery of Cas9 Ribonucleoproteins Results in High Levels of Gene Editing in Primary Hepatocytes. CRISPR J 2022; 5:397-409. [PMID: 35238624 PMCID: PMC9233506 DOI: 10.1089/crispr.2021.0134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Adeno-associated virus vectors are the most used delivery method for liver-directed gene editing. Still, they are associated with significant disadvantages that can compromise the safety and efficacy of therapies. Here, we investigate the effects of electroporating CRISPR-Cas9 as mRNA and ribonucleoproteins (RNPs) into primary hepatocytes regarding on-target activity, specificity, and cell viability. We observed a transfection efficiency of >60% and on-target insertions/deletions (indels) of up to 95% in primary mouse hepatocytes electroporated with Cas9 RNPs targeting Hpd, the gene encoding hydroxyphenylpyruvate dioxygenase. In primary human hepatocytes, we observed on-target indels of 52.4% with Cas9 RNPs and >65% viability after electroporation. These results establish the impact of using electroporation to deliver Cas9 RNPs into primary hepatocytes as a highly efficient and potentially safe approach for therapeutic liver-directed gene editing and the production of liver disease models.
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Affiliation(s)
- Tanner Rathbone
- Department of Bioengineering, University College Cork, Cork, Ireland
| | - Ilayda Ates
- Department of Bioengineering, University College Cork, Cork, Ireland
| | - Lawrence Fernando
- Department of Bioengineering, University College Cork, Cork, Ireland
| | - Ethan Addlestone
- Department of Bioengineering, University College Cork, Cork, Ireland
| | - Ciaran M Lee
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Vincent P Richards
- Department of Biological Sciences, Clemson University, Clemson, South Carolina; and University College Cork, Cork, Ireland
| | - Renee N Cottle
- Department of Bioengineering, University College Cork, Cork, Ireland
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14
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Hurley A, Lagor WR. Treating Cardiovascular Disease with Liver Genome Engineering. Curr Atheroscler Rep 2022; 24:75-84. [PMID: 35230602 PMCID: PMC8886347 DOI: 10.1007/s11883-022-00986-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2021] [Indexed: 11/30/2022]
Abstract
Purpose of Review This review examines recent progress in somatic genome editing for cardiovascular disease. We briefly highlight new gene editing approaches, delivery systems, and potential targets in the liver. Recent Findings In recent years, new editing and delivery systems have been applied successfully in model organisms to modify genes within hepatocytes. Disruption of several genes has been shown to dramatically lower plasma cholesterol and triglyceride levels in mice as well as non-human primates. More precise modification of cardiovascular targets has also been achieved through homology-directed repair or base editing. Improved viral vectors and nanoparticle delivery systems are addressing important delivery challenges and helping to mitigate safety concerns. Summary Liver-directed genome editing has the potential to cure both rare and common forms of cardiovascular disease. Exciting progress is already being made, including promising results from preclinical studies and the initiation of human gene therapy trials.
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Affiliation(s)
- Ayrea Hurley
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - William R Lagor
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX, 77030, USA.
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