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Sarangi P, Kumar N, Sambasivan R, Ramalingam S, Amit S, Chandra D, Jayandharan GR. AAV mediated genome engineering with a bypass coagulation factor alleviates the bleeding phenotype in a murine model of hemophilia B. Thromb Res 2024; 238:151-160. [PMID: 38718473 DOI: 10.1016/j.thromres.2024.04.031] [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: 12/29/2023] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/21/2024]
Abstract
It is crucial to develop a long-term therapy that targets hemophilia A and B, including inhibitor-positive patients. We have developed an Adeno-associated virus (AAV) based strategy to integrate the bypass coagulation factor, activated FVII (murine, mFVIIa) gene into the Rosa26 locus using Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 mediated gene-editing. AAV vectors designed for expression of guide RNA (AAV8-gRNA), Cas9 (AAV2 neddylation mutant-Cas9), and mFVIIa (AAV8-mFVIIa) flanked by homology arms of the target locus were validated in vitro. Hemophilia B mice were administered with AAV carrying gRNA, Cas9 (1 × 1011 vgs/mouse), and mFVIIa with homology arms (2 × 1011 vgs/mouse) with appropriate controls. Functional rescue was documented with suitable coagulation assays at various time points. The data from the T7 endonuclease assay revealed a cleavage efficiency of 20-42 %. Further, DNA sequencing confirmed the targeted integration of mFVIIa into the safe-harbor Rosa26 locus. The prothrombin time (PT) assay revealed a significant reduction in PT in mice that received the gene-editing vectors (22 %), and a 13 % decline in mice that received only the AAV-FVIIa when compared to mock treated mice, 8 weeks after vector administration. Furthermore, FVIIa activity in mice that received triple gene-editing vectors was higher (122.5mIU/mL vs 28.8mIU/mL) than the mock group up to 15 weeks post vector administration. A hemostatic challenge by tail clip assay revealed that hemophilia B mice injected with only FVIIa or the gene-editing vectors had significant reduction in blood loss. In conclusion, AAV based gene-editing facilitates sustained expression of coagulation FVIIa and phenotypic rescue in hemophilia B mice.
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Affiliation(s)
- Pratiksha Sarangi
- Laurus Center for Gene Therapy, Department of Biological Sciences and Bioengineering and Mehta Family Centre for Engineering in Medicine and Gangwal School of Medical Sciences and Technology, Indian Institute of Technology Kanpur, UP, India
| | - Narendra Kumar
- Laurus Center for Gene Therapy, Department of Biological Sciences and Bioengineering and Mehta Family Centre for Engineering in Medicine and Gangwal School of Medical Sciences and Technology, Indian Institute of Technology Kanpur, UP, India
| | - Ramkumar Sambasivan
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Andhra Pradesh, India
| | | | - Sonal Amit
- Autonomous State Medical College, Kumbhi, Akbarpur, Kanpur, UP, India
| | - Dinesh Chandra
- Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Giridhara R Jayandharan
- Laurus Center for Gene Therapy, Department of Biological Sciences and Bioengineering and Mehta Family Centre for Engineering in Medicine and Gangwal School of Medical Sciences and Technology, Indian Institute of Technology Kanpur, UP, India.
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2
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Alayoubi AM, Khawaji ZY, Mohammed MA, Mercier FE. CRISPR-Cas9 system: a novel and promising era of genotherapy for beta-hemoglobinopathies, hematological malignancy, and hemophilia. Ann Hematol 2024; 103:1805-1817. [PMID: 37736806 DOI: 10.1007/s00277-023-05457-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023]
Abstract
Gene therapy represents a significant potential to revolutionize the field of hematology with applications in correcting genetic mutations, generating cell lines and animal models, and improving the feasibility and efficacy of cancer immunotherapy. Compared to different genetic engineering tools, clustered regularly interspaced short palindromic repeats (CRISPR) CRISPR-associated protein 9 (Cas9) emerged as an effective and versatile genetic editor with the ability to precisely modify the genome. The applications of genetic engineering in various hematological disorders have shown encouraging results. Monogenic hematological disorders can conceivably be corrected with single gene modification. Through the use of CRISPR-CAS9, restoration of functional red blood cells and hemostasis factors were successfully attained in sickle cell anemia, beta-thalassemia, and hemophilia disorders. Our understanding of hemato-oncology has been advanced via CRIPSR-CAS9 technology. CRISPR-CAS9 aided to build a platform of mutated genes responsible for cell survival and proliferation in leukemia. Therapeutic application of CRISPR-CAS9 when combined with chimeric antigen receptor (CAR) T cell therapy in multiple myeloma and acute lymphoblastic leukemia was feasible with attenuation of CAR T cell therapy pitfalls. Our review outlines the latest literature on the utilization of CRISPR-Cas9 in the treatment of beta-hemoglobinopathies and hemophilia disorders. We present the strategies that were employed and the findings of preclinical and clinical trials. Also, the review will discuss gene engineering in the field of hemato-oncology as a proper tool to facilitate and overcome the drawbacks of chimeric antigen receptor T cell therapy (CAR-T).
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Affiliation(s)
- Abdulfatah M Alayoubi
- Department of Biochemistry and Molecular Medicine, College of Medicine, Taibah University, Madinah, Saudi Arabia
| | | | | | - François E Mercier
- Divisions of Experimental Medicine & Hematology, Department of Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
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3
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Yin X, Li Q, Shu Y, Wang H, Thomas B, Maxwell JT, Zhang Y. Exploiting urine-derived induced pluripotent stem cells for advancing precision medicine in cell therapy, disease modeling, and drug testing. J Biomed Sci 2024; 31:47. [PMID: 38724973 PMCID: PMC11084032 DOI: 10.1186/s12929-024-01035-4] [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: 01/26/2024] [Accepted: 04/30/2024] [Indexed: 05/12/2024] Open
Abstract
The field of regenerative medicine has witnessed remarkable advancements with the emergence of induced pluripotent stem cells (iPSCs) derived from a variety of sources. Among these, urine-derived induced pluripotent stem cells (u-iPSCs) have garnered substantial attention due to their non-invasive and patient-friendly acquisition method. This review manuscript delves into the potential and application of u-iPSCs in advancing precision medicine, particularly in the realms of drug testing, disease modeling, and cell therapy. U-iPSCs are generated through the reprogramming of somatic cells found in urine samples, offering a unique and renewable source of patient-specific pluripotent cells. Their utility in drug testing has revolutionized the pharmaceutical industry by providing personalized platforms for drug screening, toxicity assessment, and efficacy evaluation. The availability of u-iPSCs with diverse genetic backgrounds facilitates the development of tailored therapeutic approaches, minimizing adverse effects and optimizing treatment outcomes. Furthermore, u-iPSCs have demonstrated remarkable efficacy in disease modeling, allowing researchers to recapitulate patient-specific pathologies in vitro. This not only enhances our understanding of disease mechanisms but also serves as a valuable tool for drug discovery and development. In addition, u-iPSC-based disease models offer a platform for studying rare and genetically complex diseases, often underserved by traditional research methods. The versatility of u-iPSCs extends to cell therapy applications, where they hold immense promise for regenerative medicine. Their potential to differentiate into various cell types, including neurons, cardiomyocytes, and hepatocytes, enables the development of patient-specific cell replacement therapies. This personalized approach can revolutionize the treatment of degenerative diseases, organ failure, and tissue damage by minimizing immune rejection and optimizing therapeutic outcomes. However, several challenges and considerations, such as standardization of reprogramming protocols, genomic stability, and scalability, must be addressed to fully exploit u-iPSCs' potential in precision medicine. In conclusion, this review underscores the transformative impact of u-iPSCs on advancing precision medicine and highlights the future prospects and challenges in harnessing this innovative technology for improved healthcare outcomes.
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Affiliation(s)
- Xiya Yin
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Burn and Plastic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Yan Shu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Baltimore, MD, USA
| | - Hongbing Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Baltimore, MD, USA
| | - Biju Thomas
- Keck School of Medicine, Roski Eye Institute, University of Southern California, Los Angeles, CA, 90033, USA
| | - Joshua T Maxwell
- Wake Forest Institute for Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Yuanyuan Zhang
- Wake Forest Institute for Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, NC, USA.
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Xiao R, Chen Y, Hu Z, Tang Q, Wang P, Zhou M, Wu L, Liang D. Identification of the Efficient Enhancer Elements in FVIII-Padua for Gene Therapy Study of Hemophilia A. Int J Mol Sci 2024; 25:3635. [PMID: 38612447 PMCID: PMC11011560 DOI: 10.3390/ijms25073635] [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: 02/13/2024] [Revised: 03/13/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Hemophilia A (HA) is a common X-linked recessive hereditary bleeding disorder. Coagulation factor VIII (FVIII) is insufficient in patients with HA due to the mutations in the F8 gene. The restoration of plasma levels of FVIII via both recombinant B-domain-deleted FVIII (BDD-FVIII) and B-domain-deleted F8 (BDDF8) transgenes was proven to be helpful. FVIII-Padua is a 23.4 kb tandem repeat mutation in the F8 associated with a high F8 gene expression and thrombogenesis. Here we screened a core enhancer element in FVIII-Padua for improving the F8 expression. In detail, we identified a 400 bp efficient enhancer element, C400, in FVIII-Padua for the first time. The core enhancer C400 extensively improved the transcription of BDDF8 driven by human elongation factor-1 alpha in HepG2, HeLa, HEK-293T and induced pluripotent stem cells (iPSCs) with different genetic backgrounds, as well as iPSCs-derived endothelial progenitor cells (iEPCs) and iPSCs-derived mesenchymal stem cells (iMSCs). The expression of FVIII protein was increased by C400, especially in iEPCs. Our research provides a novel molecular target to enhance expression of FVIII protein, which has scientific value and application prospects in both viral and nonviral HA gene therapy strategies.
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Affiliation(s)
| | | | | | | | | | | | | | - Desheng Liang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China; (R.X.); (Y.C.); (Z.H.); (M.Z.)
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5
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Ragni MV, Chan SY. Innovations in RNA therapy for hemophilia. Blood 2023; 142:1613-1621. [PMID: 37478403 PMCID: PMC10862240 DOI: 10.1182/blood.2022018661] [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] [Received: 01/10/2023] [Revised: 06/05/2023] [Accepted: 06/27/2023] [Indexed: 07/23/2023] Open
Abstract
Given the shortcomings of current factor-, nonfactor-, and adeno-associated virus gene-based therapies, the recent advent of RNA-based therapeutics for hemophilia is changing the fundamental approach to hemophilia management. From small interfering RNA therapeutics that knockdown clot regulators antithrombin, protein S, and heparin cofactor II, to CRISPR/Cas9 gene editing that may personalize treatment, improved technologies have the potential to reduce bleeds and factor use and avoid inhibitor formation. These novel agents, some in preclinical studies and others in early phase trials, have the potential to simplify treatment and improve hemostasis and quality of life. Furthermore, because these therapies arise from manipulation of the coagulation cascade and thrombin generation and its regulation, they will enhance our understanding of hemostasis and thrombosis and ultimately lead to better therapies for children and adults with inherited bleeding disorders. What does the future hold? With the development of novel preclinical technologies at the bench, there will be fewer joint bleeds, debilitating joint disease, orthopedic surgery, and improved physical and mental health, which were not previously possible. In this review, we identify current limitations of treatment and progress in the development of novel RNA therapeutics, including messenger RNA nanoparticle delivery and gene editing for the treatment of hemophilia.
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Affiliation(s)
- Margaret V. Ragni
- Division of Hematology Oncology, Department of Medicine, University of Pittsburgh, Hemophilia Center of Western Pennsylvania, Pittsburgh, PA
| | - Stephen Y. Chan
- Division of Cardiology, Department of Medicine, Vascular Medicine Institute, Pittsburgh, PA
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Tyumentseva M, Tyumentsev A, Akimkin V. CRISPR/Cas9 Landscape: Current State and Future Perspectives. Int J Mol Sci 2023; 24:16077. [PMID: 38003266 PMCID: PMC10671331 DOI: 10.3390/ijms242216077] [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: 10/18/2023] [Revised: 11/06/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 is a unique genome editing tool that can be easily used in a wide range of applications, including functional genomics, transcriptomics, epigenetics, biotechnology, plant engineering, livestock breeding, gene therapy, diagnostics, and so on. This review is focused on the current CRISPR/Cas9 landscape, e.g., on Cas9 variants with improved properties, on Cas9-derived and fusion proteins, on Cas9 delivery methods, on pre-existing immunity against CRISPR/Cas9 proteins, anti-CRISPR proteins, and their possible roles in CRISPR/Cas9 function improvement. Moreover, this review presents a detailed outline of CRISPR/Cas9-based diagnostics and therapeutic approaches. Finally, the review addresses the future expansion of genome editors' toolbox with Cas9 orthologs and other CRISPR/Cas proteins.
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Affiliation(s)
- Marina Tyumentseva
- Central Research Institute of Epidemiology, Novogireevskaya Str., 3a, 111123 Moscow, Russia; (A.T.); (V.A.)
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7
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De Pablo-Moreno JA, Miguel-Batuecas A, Rodríguez-Merchán EC, Liras A. Treatment of congenital coagulopathies, from biologic to biotechnological drugs: The relevance of gene editing (CRISPR/Cas). Thromb Res 2023; 231:99-111. [PMID: 37839151 DOI: 10.1016/j.thromres.2023.10.001] [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: 07/17/2023] [Revised: 09/09/2023] [Accepted: 10/02/2023] [Indexed: 10/17/2023]
Abstract
Congenital coagulopathies have, throughout the history of medicine, been a focus of scientific study and of great interest as they constitute an alteration of one of the most important and conserved pathways of evolution. The first therapeutic strategies developed to address them were aimed at restoring the blood components lost during hemorrhage by administering whole blood or plasma. Later on, the use of cryoprecipitates was a significant breakthrough as it made it possible to decrease the volumes of blood infused. In the 1970' and 80', clotting factor concentrates became the treatment and, from the 1990's to the present day, recombinant factors -with increasingly longer half-lives- have taken over as the treatment of choice for certain coagulopathies in a seamless yet momentous transition from biological to biotechnological drugs. The beginning of this century, however, saw the emergence of new advanced (gene and cell) treatments, which are currently transforming the therapeutic landscape. The possibility to use cells and viruses as well as specific or bispecific antibodies as medicines is likely to spark a revolution in the world of pharmacology where therapies will be individualized and have long-term effects. Specifically, attention is nowadays focused on the development of gene editing strategies, chiefly those based on CRISPR/Cas technology. Rare coagulopathies such as hemophilia A and B, or even ultra-rare ones such as factor V deficiency, could be among those deriving the greatest benefit from these new developments.
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Affiliation(s)
- Juan A De Pablo-Moreno
- Department of Genetic, Physiology and Microbiology, Biology School, Complutense University of Madrid, Spain
| | - Andrea Miguel-Batuecas
- Department of Genetic, Physiology and Microbiology, Biology School, Complutense University of Madrid, Spain
| | - E Carlos Rodríguez-Merchán
- Osteoarticular Surgery Research, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Autonomous University of Madrid), Spain
| | - Antonio Liras
- Department of Genetic, Physiology and Microbiology, Biology School, Complutense University of Madrid, Spain.
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8
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Hu Z, Wu Y, Xiao R, Zhao J, Chen Y, Wu L, Zhou M, Liang D. Correction of F8 intron 1 inversion in hemophilia A patient-specific iPSCs by CRISPR/Cas9 mediated gene editing. Front Genet 2023; 14:1115831. [PMID: 36968612 PMCID: PMC10033665 DOI: 10.3389/fgene.2023.1115831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 02/27/2023] [Indexed: 03/11/2023] Open
Abstract
Introduction: Hemophilia A (HA) is the most common genetic bleeding disorder caused by mutations in the F8 gene encoding coagulation factor VIII (FVIII). As the second predominant pathogenic mutation in hemophilia A severe patients, F8 Intron one inversion (Inv1) completely splits the F8 gene into two parts and disrupts the F8 transcription, resulting in no FVIII protein production. The part which contains exon 2-exon 26 covers 98% of F8 coding region.Methods: We hypothesized that in situ genetic manipulation of F8 to add a promoter and exon one before the exon two could restore the F8 expression. The donor plasmid included human alpha 1-antitrypsin (hAAT) promoter, exon one and splicing donor site (SD) based on homology-mediated end joining (HMEJ) strategy was targeted addition in hemophilia A patient-derived induced pluripotent stem cell (HA-iPSCs) using CRISPR/Cas9. The iPSCs were differentiated into hepatocyte-like cells (HPLCs).Results: The hAAT promoter and exon one were targeted addition in HA-iPSCs with a high efficiency of 10.19% via HMEJ. The FVIII expression, secretion, and activity were detected in HPLCs derived from gene-targeted iPSCs.Discussion: Thus, we firstly rescued the 140 kb reversion mutation by gene addition of a 975 bp fragment in the HA-iPSCs with Inv1 mutation, providing a promising gene correction strategy for genetic disease with large sequence variants.
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Affiliation(s)
- Zhiqing Hu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Yong Wu
- Shenzhen Baoan Women’s and Children’s Hospital, Jinan University, Shenzhen, China
| | - Rou Xiao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Junya Zhao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Yan Chen
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Lingqian Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Miaojin Zhou
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
- *Correspondence: Miaojin Zhou, ; Desheng Liang,
| | - Desheng Liang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
- *Correspondence: Miaojin Zhou, ; Desheng Liang,
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9
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Wang J, Gu J, Chen H, Wu Q, Xiong L, Qiao B, Zhang Y, Xiao H, Tong Y. A Novel Deletion Mutation of the F8 Gene for Hemophilia A. Diagnostics (Basel) 2022; 12:diagnostics12112876. [PMID: 36428936 PMCID: PMC9689134 DOI: 10.3390/diagnostics12112876] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 11/22/2022] Open
Abstract
Background: Hemophilia A (HA) is an X-linked recessive blood coagulation disorder caused by a variety of abnormalities in F8 gene, resulting in the absence of impaired molecule production of factor VIII (FVIII) in the plasma. The genetic testing of the F8 gene encoding FVIII is used for confirmation of HA diagnosis, which significantly reduced serious complications of this disease and, ultimately, increased life expectancy. Methods: Sanger sequencing was performed in F8 gene exons of the suspected patients with blood coagulation-related indicators. Results: A novel F8 indel variant c.6343delC, p.Leu2115SerfsTer28 in exon 22 of the F8 gene was identified in the suspected families. The infant with this novel variant appeared the symptom of minor bleeding and oral cavity bleeding, and decreased activity of FVIII, which is consistent with that of F8 deleterious variants. The 3'D protein structural analysis of the novel variant shows a change in FVIII protein stability, which may be responsible for the pathogenesis of HA. Conclusions: A novel deleterious variant was identified in our case, which expands the F8 variants spectrum. Our result is helpful for HA diagnosis and benefits carrier detection and prenatal diagnosis. Our study also reveals that mutation screening of the F8 gene should be necessary for HA suspected patients.
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Affiliation(s)
- Jingwei Wang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Clinical Molecular Diagnosis Institute, Wuhan University, Wuhan 430060, China
| | - Jian Gu
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hongbing Chen
- Department of Pulmonary and Critical Care Medicine of Renmin Hospital, Wuhan University, Wuhan 430060, China
| | - Qian Wu
- Clinical Molecular Diagnosis Institute, Wuhan University, Wuhan 430060, China
| | - Liang Xiong
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Bin Qiao
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yan Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hongjun Xiao
- Medical Vocational and Technical School, Wuhan University, Wuhan 430060, China
- Correspondence: (H.X.); (Y.T.); Tel.: +86-27-88041911 (H.X.); +86-27-88041911 (Y.T.)
| | - Yongqing Tong
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan 430060, China
- Clinical Molecular Diagnosis Institute, Wuhan University, Wuhan 430060, China
- Correspondence: (H.X.); (Y.T.); Tel.: +86-27-88041911 (H.X.); +86-27-88041911 (Y.T.)
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10
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Targeted-Deletion of a Tiny Sequence via Prime Editing to Restore SMN Expression. Int J Mol Sci 2022; 23:ijms23147941. [PMID: 35887289 PMCID: PMC9317564 DOI: 10.3390/ijms23147941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/13/2022] [Accepted: 07/17/2022] [Indexed: 01/27/2023] Open
Abstract
Spinal muscular atrophy (SMA) is a devastating autosomal recessive motor neuron disease associated with mutations in the survival motor neuron 1 (SMN1) gene, the leading genetic cause of infant mortality. A nearly identical copy gene (SMN2) is retained in almost all patients with SMA. However, SMN2 fails to prevent disease development because of its alternative splicing, leading to a lack of exon 7 in the majority of SMN2 transcripts and yielding an unstable truncated protein. Several splicing regulatory elements, including intronic splicing silencer-N1 (ISS-N1) of SMN2 have been described. In this study, targeted-deletion of ISS-N1 was achieved using prime editing (PE) in SMA patient-specific induced pluripotent stem cells (SMA-iPSCs) with a high efficiency of 7/24. FL-SMN expression was restored in the targeted-deletion iPS clones and their derived motor neurons (iMNs). Notably, the apoptosis of the iMNs, caused by the loss of SMN protein that leads to the hyperactivity of endoplasmic reticulum (ER) stress, was alleviated in targeted-deletion iPSCs derived-iMNs. Thus, this is the first study to demonstrate that the targeted-deletion of ISS-N1 via PE for restoring FL-SMN expression holds therapeutic promise for SMA.
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11
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Targeted B-domain deletion restores F8 function in human endothelial cells and mice. Signal Transduct Target Ther 2022; 7:189. [PMID: 35718817 PMCID: PMC9207027 DOI: 10.1038/s41392-022-01016-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/25/2022] [Accepted: 05/05/2022] [Indexed: 11/15/2022] Open
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12
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Volodina OV, Smirnikhina SA. The Choice of a Donor Molecule in Genome Editing Experiments in Animal Cells. Mol Biol 2022. [DOI: 10.1134/s002689332203013x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Volodina OV, Anuchina AA, Zainitdinova MI, Evtushenko NA, Lavrov AV, Smirnikhina SA. Rational Design of ssODN to Correct Mutations by Gene Editing. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:464-471. [PMID: 35790380 DOI: 10.1134/s0006297922050078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 04/19/2022] [Accepted: 04/19/2022] [Indexed: 06/15/2023]
Abstract
Gene editing allows to make a variety of targeted changes in genome, which can potentially be used to treat hereditary human diseases. Despite numerous studies in this area, effectiveness of gene editing methods for correcting mutations is still low, so these methods are not allowed in routine practice. It has been shown that rational design of genome editing components can significantly increase efficiency of mutation correction. In this work, we propose design of single-stranded oligodeoxyribonucleotides (ssODNs) to increase efficiency of gene editing. Using a model system to repair knocked out EGFP that is integrated into the genome of HEK293T cell culture, we have shown that only a small part of ssODN (about 20 nucleotides: from the 15th nucleotide at 3'-end to the 4th nucleotide at 5'-end), a donor molecule for repairing double-stranded DNA breaks, is integrated into the site of the break. Based on the obtained data, it is possible to rationally approach the design of ssODNs to correct mutations using CRISPR-Cas9 method for the development of gene therapy for hereditary human diseases.
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Affiliation(s)
- Olga V Volodina
- Research Centre for Medical Genetics, Moscow, 115522, Russia
| | | | | | - Nadezhda A Evtushenko
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, Moscow, 117997, Russia
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14
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Chen Y, Wen R, Yang Z, Chen Z. Genome editing using CRISPR/Cas9 to treat hereditary hematological disorders. Gene Ther 2022; 29:207-216. [PMID: 33750926 DOI: 10.1038/s41434-021-00247-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 02/15/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023]
Abstract
The clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 (CRISPR/Cas9) system is a versatile and convenient genome-editing tool with prospects in gene therapy. This technique is based on customized site-specific nucleases with programmable guiding RNAs that cleave and introduce double-strand breaks (DSBs) at the target locus and achieve precise genome modification by triggering DNA repair mechanisms. Human hematopoietic stem/progenitor cells (HSPCs) are conventional cell targets for gene therapy in hematological diseases and have been widely used in most studies. Induced pluripotent stem cells (iPSCs) can be generated from a variety of somatic cells and hold great promise for personalized cell-based therapies. CRISPR/Cas9-mediated genome editing in autologous HSPCs and iPSCs is an ideal therapeutic solution for treating hereditary hematological disorders. Here, we review and summarize the latest studies about CRISPR/Cas9-mediated genome editing in patient-derived HSPCs and iPSCs to treat hereditary hematological disorders. Current challenges and prospects are also discussed.
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Affiliation(s)
- Yan Chen
- Zhanjiang Institute of Clinical Medicine, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, PR China
| | - Ruiting Wen
- Department of Hematology, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, PR China
| | - Zhigang Yang
- Zhanjiang Institute of Clinical Medicine, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, PR China
- Department of Hematology, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, PR China
| | - Zhanghui Chen
- Zhanjiang Institute of Clinical Medicine, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, PR China.
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15
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Chen J, Li S, He Y, Li J, Xia L. An update on precision genome editing by homology-directed repair in plants. PLANT PHYSIOLOGY 2022; 188:1780-1794. [PMID: 35238390 PMCID: PMC8968426 DOI: 10.1093/plphys/kiac037] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/20/2022] [Indexed: 05/22/2023]
Abstract
Beneficial alleles derived from local landraces or related species, or even orthologs from other plant species, are often caused by differences of one or several single-nucleotide polymorphisms or indels in either the promoter region or the encoding region of a gene and often account for major differences in agriculturally important traits. Clustered regularly interspaced short palindromic repeats-associated endonuclease Cas9 system (CRISPR/Cas9)-mediated precision genome editing enables targeted allele replacement or insertion of flag or foreign genes at specific loci via homology-directed repair (HDR); however, HDR efficiency is low due to the intrinsic rare occurrence of HDR and insufficient DNA repair template in the proximity of a double-stranded break (DSB). Precise replacement of the targeted gene with elite alleles from landraces or relatives into a commercial variety through genome editing has been a holy grail in the crop genome editing field. In this update, we briefly summarize CRISPR/Cas-mediated HDR in plants. We describe diverse strategies to improve HDR efficiency by manipulating the DNA repair pathway, timing DSB induction, and donor delivery, and so on. Lastly, we outline open questions and challenges in HDR-mediated precision genome editing in both plant biological research and crop improvement.
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Affiliation(s)
| | | | - Yubing He
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Jingying Li
- Institute of Crop Sciences (ICS), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences/Hainan Yazhou Bay Seed Laboratory, Sanya 572024, China
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16
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Bhattacharjee G, Gohil N, Khambhati K, Mani I, Maurya R, Karapurkar JK, Gohil J, Chu DT, Vu-Thi H, Alzahrani KJ, Show PL, Rawal RM, Ramakrishna S, Singh V. Current approaches in CRISPR-Cas9 mediated gene editing for biomedical and therapeutic applications. J Control Release 2022; 343:703-723. [PMID: 35149141 DOI: 10.1016/j.jconrel.2022.02.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/04/2022] [Accepted: 02/04/2022] [Indexed: 12/15/2022]
Abstract
A single gene mutation can cause a number of human diseases that affect quality of life. Until the development of clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated protein (Cas) systems, it was challenging to correct a gene mutation to avoid disease by reverting phenotypes. The advent of CRISPR technology has changed the field of gene editing, given its simplicity and intrinsic programmability, surpassing the limitations of both zinc-finger nuclease and transcription activator-like effector nuclease and becoming the method of choice for therapeutic gene editing by overcoming the bottlenecks of conventional gene-editing techniques. Currently, there is no commercially available medicinal cure to correct a gene mutation that corrects and reverses the abnormality of a gene's function. Devising reprogramming strategies for faithful recapitulation of normal phenotypes is a crucial aspect for directing the reprogrammed cells toward clinical trials. The CRISPR-Cas9 system has been promising as a tool for correcting gene mutations in maladies including blood disorders and muscular degeneration as well as neurological, cardiovascular, renal, genetic, stem cell, and optical diseases. In this review, we highlight recent developments and utilization of the CRISPR-Cas9 system in correcting or generating gene mutations to create model organisms to develop deeper insights into diseases, rescue normal gene functionality, and curb the progression of a disease.
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Affiliation(s)
- Gargi Bhattacharjee
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India
| | - Nisarg Gohil
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India
| | - Khushal Khambhati
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India
| | - Indra Mani
- Department of Microbiology, Gargi College, University of Delhi, New Delhi 110049, India
| | - Rupesh Maurya
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India
| | | | - Jigresh Gohil
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India
| | - Dinh-Toi Chu
- Center for Biomedicine and Community Health, International School, Vietnam National University, Hanoi, Viet Nam
| | - Hue Vu-Thi
- Center for Biomedicine and Community Health, International School, Vietnam National University, Hanoi, Viet Nam
| | - Khalid J Alzahrani
- Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Pau-Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Selangor Darul Ehsan, Malaysia
| | - Rakesh M Rawal
- Department of Biochemistry and Forensic Science, School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009, India
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, South Korea; College of Medicine, Hanyang University, Seoul, South Korea.
| | - Vijai Singh
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India.
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17
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Son JS, Park CY, Lee G, Park JY, Kim HJ, Kim G, Chi KY, Woo DH, Han C, Kim SK, Park HJ, Kim DW, Kim JH. Therapeutic correction of hemophilia A using 2D endothelial cells and multicellular 3D organoids derived from CRISPR/Cas9-engineered patient iPSCs. Biomaterials 2022; 283:121429. [DOI: 10.1016/j.biomaterials.2022.121429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 01/26/2022] [Accepted: 02/17/2022] [Indexed: 01/19/2023]
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18
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Jair Lara-Navarro I, Rebeca Jaloma-Cruz A. Current Therapies in Hemophilia: From Plasma-Derived Factor Modalities to CRISPR/Cas Alternatives. TOHOKU J EXP MED 2022; 256:197-207. [DOI: 10.1620/tjem.256.197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Irving Jair Lara-Navarro
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social
| | - Ana Rebeca Jaloma-Cruz
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social
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19
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Luo S, Li Z, Dai X, Zhang R, Liang Z, Li W, Zeng M, Su J, Wang J, Liang X, Wu Y, Liang D. CRISPR/Cas9-Mediated in vivo Genetic Correction in a Mouse Model of Hemophilia A. Front Cell Dev Biol 2021; 9:672564. [PMID: 34485274 PMCID: PMC8415270 DOI: 10.3389/fcell.2021.672564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 07/22/2021] [Indexed: 12/02/2022] Open
Abstract
Hemophilia A (HA), a common bleeding disorder caused by a deficiency of coagulation factor VIII (FVIII), has long been considered an attractive target for gene therapy studies. However, full-length F8 cDNA cannot be packaged efficiently by adeno-associated virus (AAV) vectors. As the second most prevalent mutation causing severe HA, F8 intron 1 inversion (Inv1) is caused by an intrachromosomal recombination, leaving the majority of F8 (exons 2–26) untranscribed. In theory, the truncated gene could be rescued by integrating a promoter and the coding sequence of exon 1. To test this strategy in vivo, we generated an HA mouse model by deleting the promoter region and exon 1 of F8. Donor DNA and CRISPR/SaCas9 were packaged into AAV vectors and injected into HA mice intravenously. After treatment, F8 expression was restored and activated partial thromboplastin time (aPTT) was shortened. We also compared two liver-specific promoters and two types of integrating donor vectors. When an active promoter was used, all of the treated mice survived the tail-clip challenge. This is the first report of an in vivo gene repair strategy with the potential to treat a recurrent mutation in HA patients.
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Affiliation(s)
- Sanchuan Luo
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Zhongxiang Li
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Xin Dai
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Rui Zhang
- Prenatal Diagnosis Unit, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Zhibing Liang
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Wenzhou Li
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Ming Zeng
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Jinfeng Su
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Jun Wang
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Xia Liang
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Yong Wu
- Medical Research Institute, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Shenzhen, China
| | - Desheng Liang
- Hunan Key Laboratory of Medical Genetic, Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
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20
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Ding C, Zhang C, Kopp R, Kuney L, Meng Q, Wang L, Xia Y, Jiang Y, Dai R, Min S, Yao WD, Wong ML, Ruan H, Liu C, Chen C. Transcription factor POU3F2 regulates TRIM8 expression contributing to cellular functions implicated in schizophrenia. Mol Psychiatry 2021; 26:3444-3460. [PMID: 32929213 PMCID: PMC7956165 DOI: 10.1038/s41380-020-00877-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 01/17/2023]
Abstract
Schizophrenia (SCZ) is a neuropsychiatric disorder with aberrant expression of multiple genes. However, identifying its exact causal genes remains a considerable challenge. The brain-specific transcription factor POU3F2 (POU domain, class 3, transcription factor 2) has been recognized as a risk factor for SCZ, but our understanding of its target genes and pathogenic mechanisms are still limited. Here we report that POU3F2 regulates 42 SCZ-related genes in knockdown and RNA-sequencing experiments of human neural progenitor cells (NPCs). Among those SCZ-related genes, TRIM8 (Tripartite motif containing 8) is located in SCZ-associated genetic locus and is aberrantly expressed in patients with SCZ. Luciferase reporter and electrophoretic mobility shift assays (EMSA) showed that POU3F2 induces TRIM8 expression by binding to the SCZ-associated SNP (single nucleotide polymorphism) rs5011218, which affects POU3F2-binding efficiency at the promoter region of TRIM8. We investigated the cellular functions of POU3F2 and TRIM8 as they co-regulate several pathways related to neural development and synaptic function. Knocking down either POU3F2 or TRIM8 promoted the proliferation of NPCs, inhibited their neuronal differentiation, and impaired the excitatory synaptic transmission of NPC-derived neurons. These results indicate that POU3F2 regulates TRIM8 expression through the SCZ-associated SNP rs5011218, and both genes may be involved in the etiology of SCZ by regulating neural development and synaptic function.
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Affiliation(s)
- Chaodong Ding
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Chunling Zhang
- Department of Neuroscience and Physiology, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Richard Kopp
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Liz Kuney
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Qingtuan Meng
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China,Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi, China
| | - Le Wang
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Child Health Institute of New Jersey, Department of Neuroscience and Cell Biology, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Yan Xia
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Yi Jiang
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA
| | - Rujia Dai
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Shishi Min
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China,Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Wei-Dong Yao
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Ma-Li Wong
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Hongyu Ruan
- Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA.
| | - Chunyu Liu
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China. .,Department of Psychiatry, State University of New York Upstate Medical University, Syracuse, NY, USA. .,School of Psychology, Shaanxi Normal University, Xi'an, Shaanxi, China.
| | - Chao Chen
- Center for Medical Genetics and Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, the Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Hunan Key Laboratory of Animal Models for Human Diseases, Central South University, Changsha, Hunan, China. .,Hunan Key Laboratory of Molecular Precision Medicine, Central South University, Changsha, Hunan, China.
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21
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Landmesser U, Poller W, Tsimikas S, Most P, Paneni F, Lüscher TF. From traditional pharmacological towards nucleic acid-based therapies for cardiovascular diseases. Eur Heart J 2021; 41:3884-3899. [PMID: 32350510 DOI: 10.1093/eurheartj/ehaa229] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/17/2020] [Accepted: 03/12/2020] [Indexed: 02/06/2023] Open
Abstract
Nucleic acid-based therapeutics are currently developed at large scale for prevention and management of cardiovascular diseases (CVDs), since: (i) genetic studies have highlighted novel therapeutic targets suggested to be causal for CVD; (ii) there is a substantial recent progress in delivery, efficacy, and safety of nucleic acid-based therapies; (iii) they enable effective modulation of therapeutic targets that cannot be sufficiently or optimally addressed using traditional small molecule drugs or antibodies. Nucleic acid-based therapeutics include (i) RNA-targeted therapeutics for gene silencing; (ii) microRNA-modulating and epigenetic therapies; (iii) gene therapies; and (iv) genome-editing approaches (e.g. CRISPR-Cas-based): (i) RNA-targeted therapeutics: several large-scale clinical development programmes, using antisense oligonucleotides (ASO) or short interfering RNA (siRNA) therapeutics for prevention and management of CVD have been initiated. These include ASO and/or siRNA molecules to lower apolipoprotein (a) [apo(a)], proprotein convertase subtilisin/kexin type 9 (PCSK9), apoCIII, ANGPTL3, or transthyretin (TTR) for prevention and treatment of patients with atherosclerotic CVD or TTR amyloidosis. (ii) MicroRNA-modulating and epigenetic therapies: novel potential therapeutic targets are continually arising from human non-coding genome and epigenetic research. First microRNA-based therapeutics or therapies targeting epigenetic regulatory pathways are in clinical studies. (iii) Gene therapies: EMA/FDA have approved gene therapies for non-cardiac monogenic diseases and LDL receptor gene therapy is currently being examined in patients with homozygous hypercholesterolaemia. In experimental studies, gene therapy has significantly improved cardiac function in heart failure animal models. (iv) Genome editing approaches: these technologies, such as using CRISPR-Cas, have proven powerful in stem cells, however, important challenges are remaining, e.g. low rates of homology-directed repair in somatic cells such as cardiomyocytes. In summary, RNA-targeted therapies (e.g. apo(a)-ASO and PCSK9-siRNA) are now in large-scale clinical outcome trials and will most likely become a novel effective and safe therapeutic option for CVD in the near future. MicroRNA-modulating, epigenetic, and gene therapies are tested in early clinical studies for CVD. CRISPR-Cas-mediated genome editing is highly effective in stem cells, but major challenges are remaining in somatic cells, however, this field is rapidly advancing.
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Affiliation(s)
- Ulf Landmesser
- Department of Cardiology, Campus Benjamin Franklin, CC11 (Cardiovascular Medicine), Charite-Universitätsmedizin Berlin, Hindenburgdamm 30, 12203 Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany.,Berlin Institute of Health, Anna-Louisa-Karsch-Strasse 2, 10178 Berlin, Germany
| | - Wolfgang Poller
- Department of Cardiology, Campus Benjamin Franklin, CC11 (Cardiovascular Medicine), Charite-Universitätsmedizin Berlin, Hindenburgdamm 30, 12203 Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Sotirios Tsimikas
- Division of Cardiovascular Medicine, Sulpizio Cardiovascular Center, University of California San Diego, 9500 Gilman Drive, BSB 1080, La Jolla, CA 92093-0682, USA
| | - Patrick Most
- German Center for Cardiovascular Research (DZHK), Partner Site Heidelberg/Mannheim, University of Heidelberg, Heidelberg, Germany.,Center for Translational Medicine, Jefferson Medical College, 1020 Locust Street, Philadelphia, PA 19107, USA.,Molecular and Translational Cardiology, Department of Medicine III, Heidelberg University Hospital, Im Neuenheimer Feld 669, 69120 Heidelberg, Germany
| | - Francesco Paneni
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, 8952 Schlieren, Switzerland.,Department of Cardiology, University Heart Center, University Hospital Zurich, Rämistrasse 100, 8091 Zurich, Switzerland.,Department of Research and Education, University Hospital Zurich, Rämistrasse 100, MOU2, 8091 Zurich, Switzerland
| | - Thomas F Lüscher
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, 8952 Schlieren, Switzerland.,Research, Education and Development, Royal Brompton and Harefield Hospital Trust and Imperial College London, National Heart and Lung Institute, Guy Scadding Building, Dovehouse Street, London SW3 6LY, UK
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22
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Qiu L, Xie M, Zhou M, Liu X, Hu Z, Wu L. Restoration of FVIII Function and Phenotypic Rescue in Hemophilia A Mice by Transplantation of MSCs Derived From F8-Modified iPSCs. Front Cell Dev Biol 2021; 9:630353. [PMID: 33644070 PMCID: PMC7905062 DOI: 10.3389/fcell.2021.630353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 01/25/2021] [Indexed: 01/19/2023] Open
Abstract
Hemophilia A (HA), an X-linked recessive congenital bleeding disorder, affects 80%–85% of patients with hemophilia. Nearly half of severe cases of hemophilia are caused by a 0.6-Mb genomic inversion (Inv22) that disrupts F8. Although viral-based gene therapy has shown therapeutic effects for hemophilia B (HB), this promising approach is not applicable for HA at the present stage; this limitation is mainly due to the large size of F8 cDNA, which far exceeds the adeno-associated virus (AAV) packaging capacity. We previously reported an in situ genetic correction of Inv22 in HA patient-specific induced pluripotent stem cells (HA-iPSCs) by using TALENs. We also investigated an alternative strategy for targeted gene addition, in which cDNA of the B-domain deleted F8 (BDDF8) was targeted at the rDNA locus of HA-iPSCs using TALENickases to restore FVIII function. Mesenchymal stem cells (MSCs) have low immunogenicity and can secrete FVIII under physiological conditions; in this study, MSCs were differentiated from F8-corrected iPSCs, BDDF8-iPSCs, and HA-iPSCs. Differentiated MSCs were characterized, and FVIII expression efficacy in MSCs was verified in vitro. The three types of MSCs were introduced into HA mice via intravenous injection. Long-term engraftment with restoration of FVIII function and phenotypic rescue was observed in HA mice transplanted with F8-corrected iMSCs and BDDF8-iMSCs. Our findings suggest that ex vivo gene therapy using iMSCs derived from F8-modified iPSCs can be feasible, effective, and promising for the clinical translation of therapeutic gene editing of HA and other genetic birth defects, particularly those that involve large sequence variants.
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Affiliation(s)
- Liyan Qiu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
| | - Mi Xie
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
| | - Miaojin Zhou
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
| | - Xionghao Liu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
| | - Zhiqing Hu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
| | - Lingqian Wu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetic, School of Life Sciences, Central South University, Changsha, China
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23
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Zhou M, Hu Z, Zhang C, Wu L, Li Z, Liang D. Gene Therapy for Hemophilia A: Where We Stand. Curr Gene Ther 2020; 20:142-151. [PMID: 32767930 DOI: 10.2174/1566523220666200806110849] [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: 05/14/2020] [Revised: 06/25/2020] [Accepted: 07/13/2020] [Indexed: 01/19/2023]
Abstract
Hemophilia A (HA) is a hereditary hemorrhagic disease caused by a deficiency of coagulation factor VIII (FVIII) in blood plasma. Patients with HA usually suffer from spontaneous and recurrent bleeding in joints and muscles, or even intracerebral hemorrhage, which might lead to disability or death. Although the disease is currently manageable via delivery of plasma-derived or recombinant FVIII, this approach is costly, and neutralizing antibodies may be generated in a large portion of patients, which render the regimens ineffective and inaccessible. Given the monogenic nature of HA and that a slight increase in FVIII can remarkably alleviate the phenotypes, HA has been considered to be a suitable target disease for gene therapy. Consequently, the introduction of a functional F8 gene copy into the appropriate target cells via viral or nonviral delivery vectors, including gene correction through genome editing approaches, could ultimately provide an effective therapeutic method for HA patients. In this review, we discuss the recent progress of gene therapy for HA with viral and nonviral delivery vectors, including piggyBac, lentiviral and adeno-associated viral vectors, as well as new raising issues involving liver toxicity, pre-existing neutralizing antibodies of viral approach, and the selection of the target cell type for nonviral delivery.
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Affiliation(s)
- Miaojin Zhou
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Zhiqing Hu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Chunhua Zhang
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Lingqian Wu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Zhuo Li
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
| | - Desheng Liang
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, China
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24
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Rose M, Gao K, Cortez-Toledo E, Agu E, Hyllen AA, Conroy K, Pan G, Nolta JA, Wang A, Zhou P. Endothelial cells derived from patients' induced pluripotent stem cells for sustained factor VIII delivery and the treatment of hemophilia A. Stem Cells Transl Med 2020; 9:686-696. [PMID: 32162786 PMCID: PMC7214661 DOI: 10.1002/sctm.19-0261] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 01/29/2020] [Indexed: 12/12/2022] Open
Abstract
Hemophilia A (HA) is a bleeding disorder characterized by spontaneous and prolonged hemorrhage. The disease is caused by mutations in the coagulation factor 8 gene (F8) leading to factor VIII (FVIII) deficiency. Since FVIII is primarily produced in endothelial cells (ECs) in a non‐diseased human being, ECs hold great potential for development as a cell therapy for HA. We showed that HA patient‐specific induced pluripotent stem cells (HA‐iPSCs) could provide a renewable supply of ECs. The HA‐iPSC‐derived ECs were transduced with lentiviral vectors to stably express the functional B domain deleted F8 gene, the luciferase gene, and the enhanced green fluorescent protein gene (GFP). When transplanted intramuscularly into neonatal and adult immune deficient mice, the HA‐iPSC‐derived ECs were retained in the animals for at least 10‐16 weeks and maintained their expression of FVIII, GFP, and the endothelial marker CD31, as demonstrated by bioluminescence imaging and immunostaining, respectively. When transplanted into HA mice, these transduced HA‐iPSC‐derived ECs significantly reduced blood loss in a tail‐clip bleeding test and produced therapeutic plasma levels (11.2%‐369.2%) of FVIII. Thus, our studies provide proof‐of‐concept that HA‐iPSC‐derived ECs can serve as a factory to deliver FVIII for the treatment of HA not only in adults but also in newborns.
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Affiliation(s)
- Melanie Rose
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California
| | - Kewa Gao
- Department of Surgery, University of California Davis Medical Center, Sacramento, California.,Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California
| | - Elizabeth Cortez-Toledo
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California
| | - Emmanuel Agu
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California
| | - Alicia A Hyllen
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California
| | - Kelsey Conroy
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California
| | - Guangjin Pan
- Key Laboratory of Regenerative Biology, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Jan A Nolta
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California.,University of California Davis Gene Therapy Center, Sacramento, California
| | - Aijun Wang
- Department of Surgery, University of California Davis Medical Center, Sacramento, California.,Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, California.,Department of Biomedical Engineering, University of California Davis, Davis, California
| | - Ping Zhou
- Stem Cell Program, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California.,University of California Davis Gene Therapy Center, Sacramento, California
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