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Saad FA, Saad JF, Siciliano G, Merlini L, Angelini C. Duchenne Muscular Dystrophy Gene Therapy. Curr Gene Ther 2024; 24:17-28. [PMID: 36411557 DOI: 10.2174/1566523223666221118160932] [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: 05/05/2022] [Revised: 09/27/2022] [Accepted: 10/11/2022] [Indexed: 11/23/2022]
Abstract
Duchenne and Becker muscular dystrophies are allelic X-linked recessive neuromuscular diseases affecting both skeletal and cardiac muscles. Therefore, owing to their single X chromosome, the affected boys receive pathogenic gene mutations from their unknowing carrier mothers. Current pharmacological drugs are palliative that address the symptoms of the disease rather than the genetic cause imbedded in the Dystrophin gene DNA sequence. Therefore, alternative therapies like gene drugs that could address the genetic cause of the disease at its root are crucial, which include gene transfer/implantation, exon skipping, and gene editing. Presently, it is possible through genetic reprogramming to engineer AAV vectors to deliver certain therapeutic cargos specifically to muscle or other organs regardless of their serotype. Similarly, it is possible to direct the biogenesis of exosomes to carry gene editing constituents or certain therapeutic cargos to specific tissue or cell type like brain and muscle. While autologous exosomes are immunologically inert, it is possible to camouflage AAV capsids, and lipid nanoparticles to evade the immune system recognition. In this review, we highlight current opportunities for Duchenne muscular dystrophy gene therapy, which has been known thus far as an incurable genetic disease. This article is a part of Gene Therapy of Rare Genetic Diseases thematic issue.
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Affiliation(s)
- Fawzy A Saad
- Department of Biology, Padua University School of Medicine, Via Trieste 75, Padova 35121, Italy
- Department of Gene Therapy, Saad Pharmaceuticals, Tornimäe 7-26, Tallinn, 10145, Estonia
| | - Jasen F Saad
- Department of Gene Therapy, Saad Pharmaceuticals, Tornimäe 7-26, Tallinn, 10145, Estonia
| | - Gabriele Siciliano
- Department of Clinical and Experimental Medicine, Pisa University School of Medicine, Pisa, Italy
| | - Luciano Merlini
- Department of Biomedical and Neuromotor Sciences, Bologna University School of Medicine, 40126 Bologna, Italy
| | - Corrado Angelini
- Department Neurosciences, Padova University School of Medicine, Padova, Italy
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Pichon J, Ledevin M, Larcher T, Jamme F, Rouger K, Dubreil L. Label-free 3D characterization of cardiac fibrosis in muscular dystrophy using SHG imaging of cleared tissue. Biol Cell 2021; 114:91-103. [PMID: 34964145 DOI: 10.1111/boc.202100056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 12/15/2021] [Accepted: 12/20/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND INFORMATION Duchenne muscular dystrophy (DMD) is a neuromuscular disease caused by mutations in the gene encoding dystrophin. It leads to repeated cycles of muscle fiber necrosis and regeneration and progressive replacement of fibers by fibrotic and adipose tissue, with consequent muscle weakness and premature death. Fibrosis and, in particular, collagen accumulation are important pathological features of dystrophic muscle. A better understanding of the development of fibrosis is crucial to enable better management of DMD. Three-dimensional (3D) characterization of collagen organization by second harmonic generation (SHG) microscopy has already proven a highly informative means of studying the fibrotic network in tissue. RESULTS Here, we combine for the first-time tissue clearing with SHG microscopy to characterize in depth the 3D cardiac fibrosis network from DMDmdx rat model. Heart sections (1-mm-thick) from 1-year-old wild-type (WT) and DMDmdx rats were cleared using the CUBIC protocol. SHG microscopy revealed significantly greater collagen deposition in DMDmdx versus WT sections. Analyses revealed a specific pattern of SHG+ segmented objects in DMDmdx cardiac muscle, characterized by a less elongated shape and increased density. Compared with the observed alignment of SHG+ collagen fibers in WT rats, profound fiber disorganization was observed in DMDmdx rats, in which we observed two distinct SHG+ collagen fiber profiles, which may reflect two distinct stages of the fibrotic process in DMD. CONCLUSION AND SIGNIFICANCE The current work highlights the interest to combine multiphoton SHG microscopy and tissue clearing for 3D fibrosis network characterization in label free organ. It could be a relevant tool to characterize the fibrotic tissue remodeling in relation to the disease progression and/or to evaluate the efficacy of therapeutic strategies in preclinical studies in DMD model or others fibrosis-related cardiomyopathies diseases. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | | | | | - Frédéric Jamme
- Synchrotron SOLEIL, l'Orme des Merisiers, Gif-sur-Yvette, F-91192, France
| | - Karl Rouger
- INRAE, Oniris, PAnTher, Nantes, F-44307, France
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Gharibi Z, Rahdar M, Pirestani M, Tavalla M, Tabandeh MR. The Immunization of Protoscolices P29 DNA Vaccine on Experimental Cystic Echinococosis in Balb/c Mice. Acta Parasitol 2021; 66:1114-1121. [PMID: 33813653 DOI: 10.1007/s11686-021-00367-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 03/01/2021] [Indexed: 12/27/2022]
Abstract
PURPOSE Cystic Echinococosis is one of the important parasitic diseases that is considered as a problem economics and health in many parts of the world. Many efforts have been performed for controlling the disease in the world. To reach a reliable vaccine against Cystic Echinococosis is one of the important duty of governments. Several antigen of hydatid cyst for vaccine candidate have been evaluated. In this study, P-29 antigen has been used for this purpose. METHODS E.g P29 antigen was cloned in Escherichia coli and transfected into the Chinese hamster ovary cell for antigen proliferation and used for vaccination in Balb/c mice. The recombinant antigen E.g-29 was shown using Western blot test. Two dilution of DNA vaccine (pCEgP-29) including 50 µg/100 µl and 100 µg/100 µl were prepared. Twenty four Balb/C male 6-8 week mouse were divided in 4 groups. The groups were included in 2 vaccination groups (pcEg.P29 50 µg/100 µl and 100 µg/100 µl dilution) as immunized groups and 2 groups of plasmid and PBS as control. The mice were injected intramuscularly 3 times with 2 weeks interval. After 3 weeks from last injection, all groups were challenged intraperitonealy with 2000 protoscolices. After 5 months, the mice were euthanized by ketamine/xylasine injection and number, size, and weight of cysts were recorded. RESULTS Immunization rate was up to 93% in vaccinated group when compared with the control group. CONCLUSION The results of this study showed that rEg.P29 could be considered as an effective vaccine for controlling of E. granulosus prevalence in intermediated host.
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Affiliation(s)
- Zahra Gharibi
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Parasitology Department, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahmoud Rahdar
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
- Parasitology Department, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Majid Pirestani
- Parasitology and Medical Entomology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mehdi Tavalla
- Parasitology Department, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad-Reza Tabandeh
- Basic Sciences Department, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Zeng B, Zhou M, Liu B, Shen F, Xiao R, Su J, Hu Z, Zhang Y, Gu A, Wu L, Liu X, Liang D. Targeted addition of mini-dystrophin into rDNA locus of Duchenne muscular dystrophy patient-derived iPSCs. Biochem Biophys Res Commun 2021; 545:40-45. [PMID: 33540285 DOI: 10.1016/j.bbrc.2021.01.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 01/19/2021] [Indexed: 12/23/2022]
Abstract
Duchenne muscular dystrophy (DMD), the most common lethal muscular disorder, affects 1 in 5000 male births. It is caused by mutations in the X-linked dystrophin gene (DMD), and there is no effective treatment currently. Gene addition is a promising strategy owing to its universality for patients with all gene mutations types. In this study, we describe a site-specific gene addition strategy in induced pluripotent stem cells (iPSCs) derived from a DMD patient with exon 50 deletion. By using transcription activator-like effector nickases (TALENickases), the mini-dystrophin cassette was precisely targeted at the ribosomal RNA gene (rDNA) locus via homologous recombination with high targeting efficiency. The targeted clone retained the main pluripotent properties and was differentiated into cardiomyocytes. Significantly, the dystrophin expression and membrane localization were restored in the genetic corrected iPSCs and their derived cardiomyocytes. More importantly, the enhanced spontaneous contraction was observed in modified cardiomyocytes. These results provide a proof of principle for an efficient targeted gene addition for DMD gene therapy and represents a significant step toward precisely therapeutic for DMD.
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Affiliation(s)
- Baitao Zeng
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Miaojin Zhou
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Bo Liu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Fei Shen
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Rou Xiao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Jiasun Su
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Zhiqing Hu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Yiti Zhang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Ao Gu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Lingqian Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China; Hunan Jiahui Genetics Hospital, Changsha, Hunan 410078, China
| | - Xionghao Liu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China.
| | - Desheng Liang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China; Hunan Jiahui Genetics Hospital, Changsha, Hunan 410078, China.
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Sun Q, Liu X, Wu Y, Niu W, Long P, Liu J, Lei M, Hu Y, Wu L, Li Z, Liang D. Ectopic expression of factor VIII in MSCs and hepatocytes derived from rDNA targeted hESCs. Clin Chim Acta 2018; 495:656-663. [PMID: 30096315 DOI: 10.1016/j.cca.2018.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/31/2018] [Accepted: 08/04/2018] [Indexed: 01/01/2023]
Abstract
Hemophilia A is an X-linked recessive bleeding disorder caused by FVIII gene deficiency, which may result in spontaneous joint hemorrhages or life-threatening bleeding. Currently, cell-based gene therapy via ex vivo transduction of transplantable cells with integrating gene-expressing vectors offers an attractive treatment for HA. In present study, we targeted an expression cassette of B-domain-deleted FVIII into the ribosomal DNA (rDNA) locus of human embryonic stem cells (hESCs) by transfection with a nonviral targeting plasmid pHrn. The targeted hESCs clone could be expanded and retained the main pluripotent properties of differentiation into three germ layers both in vitro and in vivo. Importantly, under defined induction conditions, the targeted hESCs could differentiated into functional mesenchymal stem cells (MSCs) and hepatocytes, as validated by relevant specific cell markers and functional examination. Tumorgenesis assay demonstrated that these cells are relatively safe for future applications. Analysis on gene expression revealed that exogenous FVIII mRNA and FVIII proteins were both present in differentiated MSCs and hepatocytes. These results indicated that through gene targeting at hESCs rDNA locus a persistent cell source of transplantable genetic-modified cells can be accomplished for HA therapy.
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Affiliation(s)
- Qianru Sun
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Xionghao Liu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Yong Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Wenbin Niu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Panpan Long
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Jing Liu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Ming Lei
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Youjin Hu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Lingqian Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Zhuo Li
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China..
| | - Desheng Liang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China..
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Feng M, Liu C, Xia Y, Liu B, Zhou M, Li Z, Sun Q, Hu Z, Wang Y, Wu L, Liu X, Liang D. Restoration of SMN expression in mesenchymal stem cells derived from gene-targeted patient-specific iPSCs. J Mol Histol 2017; 49:27-37. [DOI: 10.1007/s10735-017-9744-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 11/23/2017] [Indexed: 12/11/2022]
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Yang J, Cheng X, Qi J, Xie B, Zhao X, Zheng K, Zhang Z, Qiu M. EGF Enhances Oligodendrogenesis from Glial Progenitor Cells. Front Mol Neurosci 2017; 10:106. [PMID: 28442994 PMCID: PMC5387051 DOI: 10.3389/fnmol.2017.00106] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/28/2017] [Indexed: 12/24/2022] Open
Abstract
Emerging evidence indicates that epidermal growth factor (EGF) signaling plays a positive role in myelin development and repair, but little is known about its biological effects on the early generation and differentiation of oligodendrocyte (OL) lineage cells. In this study, we investigated the role of EGF in early OL development with isolated glial restricted precursor (GRP) cells. It was found that EGF collaborated with Platelet Derived Growth Factor-AA (PDGFaa) to promote the survival and self-renewal of GRP cells, but predisposed GRP cells to develop into O4- early-stage oligodendrocyte precursor cells (OPCs) in the absence of or PDGFaa. In OPCs, EGF synergized with PDGFaa to maintain their O4 negative antigenic phenotype. Upon PDGFaa withdrawal, EGF promoted the terminal differentiation of OPCs by reducing apoptosis and increasing the number of mature OLs. Together, these data revealed that EGF is an important mitogen to enhance oligodendroglial development.
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Affiliation(s)
- Junlin Yang
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Xuejun Cheng
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Jiajun Qi
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Binghua Xie
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Xiaofeng Zhao
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Kang Zheng
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Zunyi Zhang
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China
| | - Mengsheng Qiu
- The Institute of Developmental and Regenerative Biology, Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China.,Department of Anatomical Sciences and Neurobiology, University of LouisvilleLouisville, KY, USA
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Cheng X, Xie B, Qi J, Zhao X, Zhang Z, Qiu M, Yang J. Rat astrocytes are more supportive for mouse OPC self-renewal than mouse astrocytes in culture. Dev Neurobiol 2016; 77:907-916. [PMID: 28033654 DOI: 10.1002/dneu.22476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 11/27/2016] [Accepted: 12/09/2016] [Indexed: 11/08/2022]
Abstract
Mouse primary oligodendrocyte precursor cells (OPCs) are increasingly used to study the molecular mechanisms underlying the phenotype changes in oligodendrocyte differentiation and axonal myelination observed in transgenic or mutant mouse models. However, mouse OPCs are much more difficult to be isolated by the simple dissociation culture of brain tissues than their rat counterparts. To date, the mechanisms underlying the species difference in OPC preparation remain obscure. In this study, we showed that astrocytes from rats have a stronger effect than those from mouse in promoting OPC proliferation and survival in vitro. Mouse astrocytes displayed significantly weaker viability in culture and reduced potential in maintaining OPC self-renewal, as confirmed by culturing OPCs with conditioned media from rat or mouse astrocytes. These results explained the reason for why stratified cultures of OPCs and astrocytes are difficult to be achieved in mouse CNS tissues. Based on these findings, we adopted inactivated rat astrocytes as feeder cells to support the self-renewal of mouse cortical OPCs and preparation of high-purity mouse OPCs. © 2016 Wiley Periodicals, Inc. Develop Neurobiol 77: 907-916, 2017.
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Affiliation(s)
- Xuejun Cheng
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
| | - Binghua Xie
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
| | - Jiajun Qi
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
| | - Xiaofeng Zhao
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
| | - Zunyi Zhang
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
| | - Mengsheng Qiu
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China.,Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, 40292
| | - Junlin Yang
- Zhejiang Key Laboratory of Organ Development and Regeneration, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 310036, China
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Yang J, Cheng X, Shen J, Xie B, Zhao X, Zhang Z, Cao Q, Shen Y, Qiu M. A Novel Approach for Amplification and Purification of Mouse Oligodendrocyte Progenitor Cells. Front Cell Neurosci 2016; 10:203. [PMID: 27597818 PMCID: PMC4992724 DOI: 10.3389/fncel.2016.00203] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 08/08/2016] [Indexed: 12/22/2022] Open
Abstract
Although transgenic and knockout mice are widely used to study the specification and differentiation of oligodendrocyte precursor cells (OPCs), mouse primary OPCs are difficult to be purified and maintained, and many in vitro studies have to resort to rat OPCs as substitutes. In this study, we reported that mouse O4 negative early-stage OPCs can be obtained by culturing cortical tissue blocks, and the simultaneous treatment of OPCs with Platelet Derived Growth Factor-AA (PDGFaa), basic fibroblast growth factor (bFGF), and epidermal growth factor (EGF) is the key for the propagation of mouse OPCs in culture. EGF was found to be a potent mitogen for OPCs and cooperate with PDGFaa to extend cell division and inhibit their differentiation. EGF also collaborates with PDGFaa and bFGF to convert bipolar or tripolar OPCs to more vital fibroblast-like OPCs without compromising their oligodendrocyte differentiation potential. In addition, EGF promoted the survival and proliferation of glial progenitor cells (GPCs) derived from primary OPC cultures, and a mixture of GPCs and OPCs can be obtained and propagated in the presence of EGF, bFGF, and PDGFaa. Once EGF is withdrawn, GPC population decreased sharply and fibroblast-like OPCs changed into typical OPCs morphology, then homogeneous OPCs were obtained subsequently.
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Affiliation(s)
- Junlin Yang
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Xuejun Cheng
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Jiaxi Shen
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Binghua Xie
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Xiaofeng Zhao
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Zunyi Zhang
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal University Hangzhou, China
| | - Qilin Cao
- The Vivian L Smith Department of Neurosurgery, University of Texas Medical School at Houston, Houston TX, USA
| | - Ying Shen
- Department of Neurobiology, Key Laboratory of Medical Neurobiology of the Ministry of Health, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine Hangzhou, China
| | - Mengsheng Qiu
- Zhejiang Key Laboratory of Organ Development and Regeneration, The Institute of Developmental and Regenerative Biology, College of Life and Environment Sciences, Hangzhou Normal UniversityHangzhou, China; Department of Anatomical Sciences and Neurobiology, University of Louisville, LouisvilleKY, USA
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Pang J, Wu Y, Li Z, Hu Z, Wang X, Hu X, Wang X, Liu X, Zhou M, Liu B, Wang Y, Feng M, Liang D. Targeting of the human F8 at the multicopy rDNA locus in Hemophilia A patient-derived iPSCs using TALENickases. Biochem Biophys Res Commun 2016; 472:144-9. [PMID: 26921444 DOI: 10.1016/j.bbrc.2016.02.083] [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] [Received: 02/13/2016] [Accepted: 02/19/2016] [Indexed: 10/22/2022]
Abstract
Hemophilia A (HA) is a monogenic disease due to lack of the clotting factor VIII (FVIII). This deficiency may lead to spontaneous joint hemorrhages or life-threatening bleeding but there is no cure for HA until very recently. In this study, we derived induced pluripotent stem cells (iPSCs) from patients with severe HA and used transcription activator-like effector nickases (TALENickases) to target the factor VIII gene (F8) at the multicopy ribosomal DNA (rDNA) locus in HA-iPSCs, aiming to rescue the shortage of FVIII protein. The results revealed that more than one copy of the exogenous F8 could be integrated into the rDNA locus. Importantly, we detected exogenous F8 mRNA and FVIII protein in targeted HA-iPSCs. After they were differentiated into endothelial cells (ECs), the exogenous FVIII protein was still detectable. Thus, it is showed that the multicopy rDNA locus could be utilized as an effective target site in patient-derived iPSCs for gene therapy. This strategy provides a novel iPSCs-based therapeutic option for HA and other monogenic diseases.
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Affiliation(s)
- Jialun Pang
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Yong Wu
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Zhuo Li
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Zhiqing Hu
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Xiaolin Wang
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Xuyun Hu
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Xiaoyan Wang
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Xionghao Liu
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Miaojin Zhou
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Bo Liu
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Yanchi Wang
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Mai Feng
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Desheng Liang
- State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.
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