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Mudde ACA, Kuo CY, Kohn DB, Booth C. What a Clinician Needs to Know About Genome Editing: Status and Opportunities for Inborn Errors of Immunity. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2024; 12:1139-1149. [PMID: 38246560 DOI: 10.1016/j.jaip.2024.01.019] [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: 09/26/2023] [Revised: 12/08/2023] [Accepted: 01/05/2024] [Indexed: 01/23/2024]
Abstract
During the past 20 years, gene editing has emerged as a novel form of gene therapy. Since the publication of the first potentially therapeutic gene editing platform for genetic disorders, increasingly sophisticated editing technologies have been developed. As with viral vector-mediated gene addition, inborn errors of immunity are excellent candidate diseases for a corrective autologous hematopoietic stem cell gene editing strategy. Research on gene editing for inborn errors of immunity is still entirely preclinical, with no trials yet underway. However, with editing techniques maturing, scientists are investigating this novel form of gene therapy in context of an increasing number of inborn errors of immunity. Here, we present an overview of these studies and the recent progress moving these technologies closer to clinical benefit.
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Affiliation(s)
- Anne C A Mudde
- UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Caroline Y Kuo
- Department of Pediatrics, UCLA David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, Calif
| | - Donald B Kohn
- Department of Pediatrics, UCLA David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, Calif; Department of Microbiology, Immunology & Molecular Genetics, UCLA David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, Calif
| | - Claire Booth
- UCL Great Ormond Street Institute of Child Health, London, United Kingdom; Department of Paediatric Immunology and Gene Therapy, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom.
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2
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Tsuchida CA, Wasko KM, Hamilton JR, Doudna JA. Targeted nonviral delivery of genome editors in vivo. Proc Natl Acad Sci U S A 2024; 121:e2307796121. [PMID: 38437567 PMCID: PMC10945750 DOI: 10.1073/pnas.2307796121] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024] Open
Abstract
Cell-type-specific in vivo delivery of genome editing molecules is the next breakthrough that will drive biological discovery and transform the field of cell and gene therapy. Here, we discuss recent advances in the delivery of CRISPR-Cas genome editors either as preassembled ribonucleoproteins or encoded in mRNA. Both strategies avoid pitfalls of viral vector-mediated delivery and offer advantages including transient editor lifetime and potentially streamlined manufacturing capability that are already proving valuable for clinical use. We review current applications and future opportunities of these emerging delivery approaches that could make genome editing more efficacious and accessible in the future.
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Affiliation(s)
- Connor A. Tsuchida
- University of California, Berkeley—University of California, San Francisco Graduate Program in Bioengineering, University of California, Berkeley, CA94720
- Innovative Genomics Institute, University of California, Berkeley, CA94720
| | - Kevin M. Wasko
- Innovative Genomics Institute, University of California, Berkeley, CA94720
- Department of Molecular and Cell Biology, University of California, Berkeley, CA94720
| | - Jennifer R. Hamilton
- Innovative Genomics Institute, University of California, Berkeley, CA94720
- Department of Molecular and Cell Biology, University of California, Berkeley, CA94720
| | - Jennifer A. Doudna
- University of California, Berkeley—University of California, San Francisco Graduate Program in Bioengineering, University of California, Berkeley, CA94720
- Innovative Genomics Institute, University of California, Berkeley, CA94720
- Department of Molecular and Cell Biology, University of California, Berkeley, CA94720
- Department of Chemistry, University of California, Berkeley, CA94720
- California Institute for Quantitative Biosciences, University of California, Berkeley, CA94720
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720
- Gladstone Institutes, University of California,San Francisco, CA94158
- HHMI, University of California, Berkeley, CA94720
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3
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Tatarūnas V, Čiapienė I, Giedraitienė A. Precise Therapy Using the Selective Endogenous Encapsidation for Cellular Delivery Vector System. Pharmaceutics 2024; 16:292. [PMID: 38399346 PMCID: PMC10893373 DOI: 10.3390/pharmaceutics16020292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/13/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Interindividual variability in drug response is a major problem in the prescription of pharmacological treatments. The therapeutic effect of drugs can be influenced by human genes. Pharmacogenomic guidelines for individualization of treatment have been validated and used for conventional dosage forms. However, drugs can often target non-specific areas and produce both desired and undesired pharmacological effects. The use of nanoparticles, liposomes, or other available forms for drug formulation could help to overcome the latter problem. Virus-like particles based on retroviruses could be a potential envelope for safe and efficient drug formulations. Human endogenous retroviruses would make it possible to overcome the host immune response and deliver drugs to the desired target. PEG10 is a promising candidate that can bind to mRNA because it is secreted like an enveloped virus-like extracellular vesicle. PEG10 is a retrotransposon-derived gene that has been domesticated. Therefore, formulations with PEG10 may have a lower immunogenicity. The use of existing knowledge can lead to the development of suitable drug formulations for the precise treatment of individual diseases.
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Affiliation(s)
- Vacis Tatarūnas
- Institute of Cardiology, Lithuanian University of Health Sciences, Sukileliu 15, LT 50103 Kaunas, Lithuania; (V.T.); (I.Č.)
| | - Ieva Čiapienė
- Institute of Cardiology, Lithuanian University of Health Sciences, Sukileliu 15, LT 50103 Kaunas, Lithuania; (V.T.); (I.Č.)
| | - Agnė Giedraitienė
- Institute of Microbiology and Virology, Lithuanian University of Health Sciences, Eiveniu 4, LT 50161 Kaunas, Lithuania
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Kruglova N, Shepelev M. Increasing Gene Editing Efficiency via CRISPR/Cas9- or Cas12a-Mediated Knock-In in Primary Human T Cells. Biomedicines 2024; 12:119. [PMID: 38255224 PMCID: PMC10813735 DOI: 10.3390/biomedicines12010119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/22/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
T lymphocytes represent a promising target for genome editing. They are primarily modified to recognize and kill tumor cells or to withstand HIV infection. In most studies, T cell genome editing is performed using the CRISPR/Cas technology. Although this technology is easily programmable and widely accessible, its efficiency of T cell genome editing was initially low. Several crucial improvements were made in the components of the CRISPR/Cas technology and their delivery methods, as well as in the culturing conditions of T cells, before a reasonable editing level suitable for clinical applications was achieved. In this review, we summarize and describe the aforementioned parameters that affect human T cell editing efficiency using the CRISPR/Cas technology, with a special focus on gene knock-in.
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Affiliation(s)
- Natalia Kruglova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Gene Biology RAS, 119334 Moscow, Russia;
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Tiroille V, Krug A, Bokobza E, Kahi M, Bulcaen M, Ensinck MM, Geurts MH, Hendriks D, Vermeulen F, Larbret F, Gutierrez-Guerrero A, Chen Y, Van Zundert I, Rocha S, Rios AC, Medaer L, Gijsbers R, Mangeot PE, Clevers H, Carlon MS, Bost F, Verhoeyen E. Nanoblades allow high-level genome editing in murine and human organoids. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 33:57-74. [PMID: 37435135 PMCID: PMC10331042 DOI: 10.1016/j.omtn.2023.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 06/04/2023] [Indexed: 07/13/2023]
Abstract
Genome engineering has become more accessible thanks to the CRISPR-Cas9 gene-editing system. However, using this technology in synthetic organs called "organoids" is still very inefficient. This is due to the delivery methods for the CRISPR-Cas9 machinery, which include electroporation of CRISPR-Cas9 DNA, mRNA, or ribonucleoproteins containing the Cas9-gRNA complex. However, these procedures are quite toxic for the organoids. Here, we describe the use of the "nanoblade (NB)" technology, which outperformed by far gene-editing levels achieved to date for murine- and human tissue-derived organoids. We reached up to 75% of reporter gene knockout in organoids after treatment with NBs. Indeed, high-level NB-mediated knockout for the androgen receptor encoding gene and the cystic fibrosis transmembrane conductance regulator gene was achieved with single gRNA or dual gRNA containing NBs in murine prostate and colon organoids. Likewise, NBs achieved 20%-50% gene editing in human organoids. Most importantly, in contrast to other gene-editing methods, this was obtained without toxicity for the organoids. Only 4 weeks are required to obtain stable gene knockout in organoids and NBs simplify and allow rapid genome editing in organoids with little to no side effects including unwanted insertion/deletions in off-target sites thanks to transient Cas9/RNP expression.
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Affiliation(s)
- Victor Tiroille
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Adrien Krug
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
| | - Emma Bokobza
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Michel Kahi
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Mattijs Bulcaen
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Marjolein M. Ensinck
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Maarten H. Geurts
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | - Delilah Hendriks
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | | | | | - Alejandra Gutierrez-Guerrero
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
| | - Yu Chen
- Human Oncology and Pathogenesis Program, Department of Medicine, Memorial Sloan; Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Indra Van Zundert
- Synthetic Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands
| | - Susana Rocha
- Molecular Imaging and Photonics, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Anne C. Rios
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Louise Medaer
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Rik Gijsbers
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Philippe E. Mangeot
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
| | - Hans Clevers
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | - Marianne S. Carlon
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Frédéric Bost
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Els Verhoeyen
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
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Whitley JA, Cai H. Engineering extracellular vesicles to deliver CRISPR ribonucleoprotein for gene editing. J Extracell Vesicles 2023; 12:e12343. [PMID: 37723839 PMCID: PMC10507228 DOI: 10.1002/jev2.12343] [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: 03/29/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 09/20/2023] Open
Abstract
Clustered regularly interspaced palindromic repeats (CRISPR) is a gene editing tool with tremendous therapeutic potential. Recently, ribonucleoprotein (RNP) complex-based CRISPR systems have gained momentum due to their reduction of off-target editing. This has coincided with the emergence of extracellular vesicles (EVs) as a therapeutic delivery vehicle due to its low immunogenicity and high capacity for manipulation. EVs are cell-derived membranous nanoparticles which mediate the intercellular transfer of molecular components. Current technologies achieve CRISPR RNP encapsulation into EVs through EVs biogenesis, thereby avoiding unnecessary physical, chemical or biological manipulations to the vesicles directly. Herein, we identify sixteen EVs-based CRISPR RNP encapsulation strategies, each with distinct genetic features to encapsulate CRISPR RNP. According to the molecular mechanism facilitating the encapsulation process, there are six strategies of encapsulating Cas9 RNP into virus-like particles based on genetic fusion, seven into EVs based on protein tethering, and three based on sgRNA-coupled encapsulation. Additionally, the incorporation of a targeting moiety to the EVs membrane surface through EVs biogenesis confers tropism and increases delivery efficiency to specific cell types. The targeting moieties include viral envelope proteins, recombinant proteins containing a ligand peptide, single-chain fragment variable (scFv) antibodies, and integrins. However, current strategies still have a number of limitations which prevent their use in clinical trials. Among those, the incorporation of viral proteins for encapsulation of Cas9 RNP have raised issues of biocompatibility due to host immune response. Future studies should focus on genetically engineering the EVs without viral proteins, enhancing EVs delivery specificity, and promoting EVs-based homology directed repair. Nevertheless, the integration of CRISPR RNP encapsulation and tropism technologies will provide strategies for the EVs-based delivery of CRISPR RNP in gene therapy and disease treatment.
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Affiliation(s)
- Joseph Andrew Whitley
- Department of Pharmaceutical and Biomedical SciencesCollege of PharmacyUniversity of GeorgiaAthensGeorgiaUSA
| | - Houjian Cai
- Department of Pharmaceutical and Biomedical SciencesCollege of PharmacyUniversity of GeorgiaAthensGeorgiaUSA
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Wichmann M, Maire CL, Nuppenau N, Habiballa M, Uhde A, Kolbe K, Schröder T, Lamszus K, Fehse B, Głów D. Deep Characterization and Comparison of Different Retrovirus-like Particles Preloaded with CRISPR/Cas9 RNPs. Int J Mol Sci 2023; 24:11399. [PMID: 37511168 PMCID: PMC10380221 DOI: 10.3390/ijms241411399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
The CRISPR/Cas system has a broad range of possible medical applications, but its clinical translation has been hampered, particularly by the lack of safe and efficient vector systems mediating the short-term expression of its components. Recently, different virus-like particles (VLPs) have been introduced as promising vectors for the delivery of CRISPR/Cas genome editing components. Here, we characterized and directly compared three different types of retrovirus-based (R) VLPs, two derived from the γ-retrovirus murine leukemia virus (gRVLPs and "enhanced" egRVLPs) and one from the lentivirus human immunodeficiency virus, HIV (LVLPs). First, we unified and optimized the production of the different RVLPs. To ensure maximal comparability of the produced RVLPs, we adapted several assays, including nanoparticle tracking analysis (NTA), multi-parametric imaging flow cytometry (IFC), and Cas9-ELISA, to analyze their morphology, surface composition, size, and concentration. Next, we comparatively tested the three RVLPs targeting different genes in 293T model cells. Using identical gRNAs, we found egRVLPs to mediate the most efficient editing. Functional analyses indicated better cargo (i.e., Cas9) transfer and/or release as the underlying reason for their superior performance. Finally, we compared on- and off-target activities of the three RVLPs in human-induced pluripotent stem cells (hiPSC) exploiting the clinically relevant C-C motif chemokine receptor 5 (CCR5) as the target. Again, egRVLPs facilitated the highest, almost 100% knockout rates, importantly with minimal off-target activity. In conclusion, in direct comparison, egRVLPs were the most efficient RVLPs. Moreover, we established methods for in-depth characterization of VLPs, facilitating their validation and thus more predictable and safe application.
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Affiliation(s)
- Max Wichmann
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Cecile L Maire
- Department of Neurosurgery, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Niklas Nuppenau
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Moataz Habiballa
- Institute of Neuroanatomy, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Almut Uhde
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Katharina Kolbe
- Department of Neurosurgery, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Tanja Schröder
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Katrin Lamszus
- Department of Neurosurgery, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, 20246 Hamburg, Germany
| | - Dawid Głów
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany
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Kilgour MK, Bastin DJ, Lee SH, Ardolino M, McComb S, Visram A. Advancements in CAR-NK therapy: lessons to be learned from CAR-T therapy. Front Immunol 2023; 14:1166038. [PMID: 37205115 PMCID: PMC10187144 DOI: 10.3389/fimmu.2023.1166038] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/12/2023] [Indexed: 05/21/2023] Open
Abstract
Advancements in chimeric antigen receptor engineered T-cell (CAR-T) therapy have revolutionized treatment for several cancer types over the past decade. Despite this success, obstacles including the high price tag, manufacturing complexity, and treatment-associated toxicities have limited the broad application of this therapy. Chimeric antigen receptor engineered natural killer cell (CAR-NK) therapy offers a potential opportunity for a simpler and more affordable "off-the-shelf" treatment, likely with fewer toxicities. Unlike CAR-T, CAR-NK therapies are still in early development, with few clinical trials yet reported. Given the challenges experienced through the development of CAR-T therapies, this review explores what lessons we can apply to build better CAR-NK therapies. In particular, we explore the importance of optimizing the immunochemical properties of the CAR construct, understanding factors leading to cell product persistence, enhancing trafficking of transferred cells to the tumor, ensuring the metabolic fitness of the transferred product, and strategies to avoid tumor escape through antigen loss. We also review trogocytosis, an important emerging challenge that likely equally applies to CAR-T and CAR-NK cells. Finally, we discuss how these limitations are already being addressed in CAR-NK therapies, and what future directions may be possible.
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Affiliation(s)
- Marisa K. Kilgour
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, Canada
| | | | - Seung-Hwan Lee
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Canada
- Center for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, Canada
| | - Michele Ardolino
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Canada
- Center for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, Canada
| | - Scott McComb
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Canada
- Center for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, Canada
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, Canada
| | - Alissa Visram
- Department of Medicine, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Canada
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Wolff JH, Mikkelsen JG. Prime editing in hematopoietic stem cells—From ex vivo to in vivo CRISPR-based treatment of blood disorders. Front Genome Ed 2023; 5:1148650. [PMID: 36969373 PMCID: PMC10036844 DOI: 10.3389/fgeed.2023.1148650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 02/28/2023] [Indexed: 03/12/2023] Open
Abstract
Prime editing of human hematopoietic stem cells has the potential to become a safe and efficient way of treating diseases of the blood directly in patients. By allowing site-targeted gene intervention without homology-directed repair donor templates and DNA double-stranded breaks, the invention of prime editing fuels the exploration of alternatives to conventional recombination-based ex vivo genome editing of hematopoietic stem cells. Prime editing is as close as we get today to a true genome editing drug that does not require a separate DNA donor. However, to adapt the technology to perform in vivo gene correction, key challenges remain to be solved, such as identifying effective prime editing guide RNAs for clinical targets as well as developing efficient vehicles to deliver prime editors to stem cells in vivo. In this review, we summarize the current progress in delivery of prime editors both in vitro and in vivo and discuss future challenges that need to be adressed to allow in vivo prime editing as a cure for blood disorders.
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Bhoopalan SV, Yen JS, Levine RM, Sharma A. Editing human hematopoietic stem cells: advances and challenges. Cytotherapy 2023; 25:261-269. [PMID: 36123234 DOI: 10.1016/j.jcyt.2022.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 07/29/2022] [Accepted: 08/08/2022] [Indexed: 02/07/2023]
Abstract
Genome editing of hematopoietic stem and progenitor cells is being developed for the treatment of several inherited disorders of the hematopoietic system. The adaptation of CRISPR-Cas9-based technologies to make precise changes to the genome, and developments in altering the specificity and efficiency, and improving the delivery of nucleases to target cells have led to several breakthroughs. Many clinical trials are ongoing, and several pre-clinical models have been reported that would allow these genetic therapies to one day offer a potential cure to patients with diseases where limited options currently exist. However, there remain several challenges with respect to establishing safety, expanding accessibility and improving the manufacturing processes of these therapeutic products. This review focuses on some of the recent advances in the field of genome editing of hematopoietic stem and progenitor cells and illustrates the ongoing challenges.
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Affiliation(s)
- Senthil Velan Bhoopalan
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA; Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Jonathan S Yen
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Rachel M Levine
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
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11
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Ugalde L, Fañanas S, Torres R, Quintana-Bustamante O, Río P. CRISPR/Cas9-mediated gene editing. A promising strategy in hematological disorders. Cytotherapy 2023; 25:277-285. [PMID: 36610813 DOI: 10.1016/j.jcyt.2022.11.014] [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: 12/15/2021] [Revised: 11/09/2022] [Accepted: 11/30/2022] [Indexed: 01/07/2023]
Abstract
The clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 system has revolutionized the gene editing field, making it possible to interrupt, insert or replace a sequence of interest with high precision in the human genome. Its easy design and wide applicability open up a variety of therapeutic alternatives for the treatment of genetic diseases. Indeed, very promising approaches for the correction of hematological disorders have been developed in the recent years, based on the self-renewal and multipotent differentiation properties of hematopoietic stem and progenitor cells, which make this cell subset the ideal target for gene therapy purposes. This technology has been applied in different congenital blood disorders, such as primary immunodeficiencies, X-linked severe combined immunodeficiency, X-linked chronic granulomatous disease or Wiskott-Aldrich syndrome, and inherited bone marrow failure syndromes, such as Fanconi anemia, congenital amegakaryocytic thrombocytopenia or severe congenital neutropenia. Furthermore, CRISPR/Cas9-based gene editing has been implemented successfully as a novel therapy for cancer immunotherapy, by the development of promising strategies such as the use of oncolytic viruses or adoptive cellular therapy to the chimeric antigen receptor-T-cell therapy. Therefore, considering the variety of genes and mutations affected, we can take advantage of the different DNA repair mechanisms by CRISPR/Cas9 in different manners, from homology-directed repair to non-homologous-end-joining to the latest emerging technologies such as base and prime editing. Although the delivery systems into hematopoietic stem and progenitor cells are still the bottleneck of this technology, some of the advances in genome editing shown in this review have already reached a clinical stage and show very promising preliminary results.
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Affiliation(s)
- Laura Ugalde
- Biomedical Innovation Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain; Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain
| | - Sara Fañanas
- Biomedical Innovation Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain; Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain
| | - Raúl Torres
- Biomedical Innovation Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain; Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain; Molecular Cytogenetics Group, Human Cancer Genetics Program, Centro Nacional de Investigaciones Oncológicas (CNIO), Madrid, Spain
| | - Oscar Quintana-Bustamante
- Biomedical Innovation Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain; Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain
| | - Paula Río
- Biomedical Innovation Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain; Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain.
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12
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Buffa V, Alvarez Vargas JR, Galy A, Spinozzi S, Rocca CJ. Hematopoietic stem and progenitors cells gene editing: Beyond blood disorders. Front Genome Ed 2023; 4:997142. [PMID: 36698790 PMCID: PMC9868335 DOI: 10.3389/fgeed.2022.997142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 12/19/2022] [Indexed: 01/10/2023] Open
Abstract
Lessons learned from decades-long practice in the transplantation of hematopoietic stem and progenitor cells (HSPCs) to treat severe inherited disorders or cancer, have set the stage for the current ex vivo gene therapies using autologous gene-modified hematopoietic stem and progenitor cells that have treated so far, hundreds of patients with monogenic disorders. With increased knowledge of hematopoietic stem and progenitor cell biology, improved modalities for patient conditioning and with the emergence of new gene editing technologies, a new era of hematopoietic stem and progenitor cell-based gene therapies is poised to emerge. Gene editing has the potential to restore physiological expression of a mutated gene, or to insert a functional gene in a precise locus with reduced off-target activity and toxicity. Advances in patient conditioning has reduced treatment toxicities and may improve the engraftment of gene-modified cells and specific progeny. Thanks to these improvements, new potential treatments of various blood- or immune disorders as well as other inherited diseases will continue to emerge. In the present review, the most recent advances in hematopoietic stem and progenitor cell gene editing will be reported, with a focus on how this approach could be a promising solution to treat non-blood-related inherited disorders and the mechanisms behind the therapeutic actions discussed.
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Affiliation(s)
- Valentina Buffa
- Genethon, Evry, France,Integrare Research Unit UMR_S951, Université Paris-Saclay, University Evry, Inserm, Genethon, Evry, France
| | - José Roberto Alvarez Vargas
- Genethon, Evry, France,Integrare Research Unit UMR_S951, Université Paris-Saclay, University Evry, Inserm, Genethon, Evry, France
| | - Anne Galy
- Genethon, Evry, France,Integrare Research Unit UMR_S951, Université Paris-Saclay, University Evry, Inserm, Genethon, Evry, France
| | - Simone Spinozzi
- Genethon, Evry, France,Integrare Research Unit UMR_S951, Université Paris-Saclay, University Evry, Inserm, Genethon, Evry, France
| | - Céline J. Rocca
- Genethon, Evry, France,Integrare Research Unit UMR_S951, Université Paris-Saclay, University Evry, Inserm, Genethon, Evry, France,*Correspondence: Céline J. Rocca,
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13
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Shakirova A, Karpov T, Komarova Y, Lepik K. In search of an ideal template for therapeutic genome editing: A review of current developments for structure optimization. Front Genome Ed 2023; 5:1068637. [PMID: 36911237 PMCID: PMC9992834 DOI: 10.3389/fgeed.2023.1068637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 02/08/2023] [Indexed: 02/24/2023] Open
Abstract
Gene therapy is a fast developing field of medicine with hundreds of ongoing early-stage clinical trials and numerous preclinical studies. Genome editing (GE) now is an increasingly important technology for achieving stable therapeutic effect in gene correction, with hematopoietic cells representing a key target cell population for developing novel treatments for a number of hereditary diseases, infections and cancer. By introducing a double strand break (DSB) in the defined locus of genomic DNA, GE tools allow to knockout the desired gene or to knock-in the therapeutic gene if provided with an appropriate repair template. Currently, the efficiency of methods for GE-mediated knock-in is limited. Significant efforts were focused on improving the parameters and interaction of GE nuclease proteins. However, emerging data suggests that optimal characteristics of repair templates may play an important role in the knock-in mechanisms. While viral vectors with notable example of AAVs as a donor template carrier remain the mainstay in many preclinical trials, non-viral templates, including plasmid and linear dsDNA, long ssDNA templates, single and double-stranded ODNs, represent a promising alternative. Furthermore, tuning of editing conditions for the chosen template as well as its structure, length, sequence optimization, homology arm (HA) modifications may have paramount importance for achieving highly efficient knock-in with favorable safety profile. This review outlines the current developments in optimization of templates for the GE mediated therapeutic gene correction.
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Affiliation(s)
- Alena Shakirova
- RM Gorbacheva Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, Saint Petersburg, Russia
| | - Timofey Karpov
- RM Gorbacheva Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, Saint Petersburg, Russia.,Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russia
| | - Yaroslava Komarova
- RM Gorbacheva Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, Saint Petersburg, Russia
| | - Kirill Lepik
- RM Gorbacheva Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, Saint Petersburg, Russia
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14
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Cruz LJ, Rezaei S, Grosveld F, Philipsen S, Eich C. Nanoparticles targeting hematopoietic stem and progenitor cells: Multimodal carriers for the treatment of hematological diseases. Front Genome Ed 2022; 4:1030285. [PMID: 36407494 PMCID: PMC9666682 DOI: 10.3389/fgeed.2022.1030285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/10/2022] [Indexed: 10/03/2023] Open
Abstract
Modern-day hematopoietic stem cell (HSC) therapies, such as gene therapy, modify autologous HSCs prior to re-infusion into myelo-conditioned patients and hold great promise for treatment of hematological disorders. While this approach has been successful in numerous clinical trials, it relies on transplantation of ex vivo modified patient HSCs, which presents several limitations. It is a costly and time-consuming procedure, which includes only few patients so far, and ex vivo culturing negatively impacts on the viability and stem cell-properties of HSCs. If viral vectors are used, this carries the additional risk of insertional mutagenesis. A therapy delivered to HSCs in vivo, with minimal disturbance of the HSC niche, could offer great opportunities for novel treatments that aim to reverse disease symptoms for hematopoietic disorders and could bring safe, effective and affordable genetic therapies to all parts of the world. However, substantial unmet needs exist with respect to the in vivo delivery of therapeutics to HSCs. In the last decade, in particular with the development of gene editing technologies such as CRISPR/Cas9, nanoparticles (NPs) have become an emerging platform to facilitate the manipulation of cells and organs. By employing surface modification strategies, different types of NPs can be designed to target specific tissues and cell types in vivo. HSCs are particularly difficult to target due to the lack of unique cell surface markers that can be utilized for cell-specific delivery of therapeutics, and their shielded localization in the bone marrow (BM). Recent advances in NP technology and genetic engineering have resulted in the development of advanced nanocarriers that can deliver therapeutics and imaging agents to hematopoietic stem- and progenitor cells (HSPCs) in the BM niche. In this review we provide a comprehensive overview of NP-based approaches targeting HSPCs to control and monitor HSPC activity in vitro and in vivo, and we discuss the potential of NPs for the treatment of malignant and non-malignant hematological disorders, with a specific focus on the delivery of gene editing tools.
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Affiliation(s)
- Luis J. Cruz
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
| | - Somayeh Rezaei
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
| | - Frank Grosveld
- Erasmus University Medical Center, Department of Cell Biology, Rotterdam, Netherlands
| | - Sjaak Philipsen
- Erasmus University Medical Center, Department of Cell Biology, Rotterdam, Netherlands
| | - Christina Eich
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
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15
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Lyu P, Lu B. New Advances in Using Virus-like Particles and Related Technologies for Eukaryotic Genome Editing Delivery. Int J Mol Sci 2022; 23:ijms23158750. [PMID: 35955895 PMCID: PMC9369418 DOI: 10.3390/ijms23158750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 07/29/2022] [Accepted: 07/31/2022] [Indexed: 11/21/2022] Open
Abstract
The designer nucleases, including Zinc Finger Nuclease (ZFN), Transcription Activator-Like Effector Nuclease (TALEN), and Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated (CRISPR/Cas), have been widely used for mechanistic studies, animal model generation, and gene therapy development. Clinical trials using designer nucleases to treat genetic diseases or cancers are showing promising results. Despite rapid progress, potential off-targets and host immune responses are challenges to be addressed for in vivo uses, especially in clinical applications. Short-term expression of the designer nucleases is necessary to reduce both risks. Currently, delivery methods enabling transient expression of designer nucleases are being pursued. Among these, virus-like particles as delivery vehicles for short-term designer nuclease expression have received much attention. This review will summarize recent developments in using virus-like particles (VLPs) for safe delivery of gene editing effectors to complement our last review on the same topic. First, we introduce some background information on how VLPs can be used for safe and efficient CRISPR/Cas9 delivery. Then, we summarize recently developed virus-like particles as genome editing vehicles. Finally, we discuss applications and future directions.
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Affiliation(s)
- Pin Lyu
- School of Physical Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Baisong Lu
- Wake Forest Institute for Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA
- Correspondence: ; Tel.: +1-336-713-7276; Fax: +1-336-713-7290
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16
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Long JD, Trope EC, Yang J, Rector K, Kuo CY. Genes as Medicine: The Development of Gene Therapies for Inborn Errors of Immunity. Hematol Oncol Clin North Am 2022; 36:829-851. [PMID: 35778331 DOI: 10.1016/j.hoc.2022.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The field of gene therapy has experienced tremendous growth in the last decade ranging from improvements in the design of viral vectors for gene addition of therapeutic gene cassettes to the discovery of site-specific nucleases targeting transgenes to desired locations in the genome. Such advancements have not only enabled the development of disease models but also created opportunities for the development of tailored therapeutic approaches. There are 3 main methods of gene modification that can be used for the prevention or treatment of disease. This includes viral vector-mediated gene therapy to supply or bypass a missing/defective gene, gene editing enabled by programmable nucleases to create sequence-specific alterations in the genome, and gene silencing to reduce the expression of a gene or genes. These gene-modification platforms can be delivered either in vivo, for which the therapy is injected directed into a patient's body, or ex vivo, in which cells are harvested from a patient and modified in a laboratory setting, and then returned to the patient.
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Affiliation(s)
- Joseph D Long
- Division of Allergy & Immunology, Department of Pediatrics, David Geffen School of Medicine at the University of California, Los Angeles, 10833 Le Conte, MDCC 12-430, Los Angeles, CA 90095, USA
| | - Edward C Trope
- Division of Allergy & Immunology, Department of Pediatrics, David Geffen School of Medicine at the University of California, Los Angeles, 10833 Le Conte, MDCC 12-430, Los Angeles, CA 90095, USA
| | - Jennifer Yang
- Department of Psychology, University of California, Los Angeles, 1285 Psychology Building, Box 951563, Los Angeles, CA 90095, USA
| | | | - Caroline Y Kuo
- Division of Allergy & Immunology, Department of Pediatrics, David Geffen School of Medicine at the University of California, Los Angeles, 10833 Le Conte, MDCC 12-430, Los Angeles, CA 90095, USA.
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17
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Maslennikova A, Mazurov D. Application of CRISPR/Cas Genomic Editing Tools for HIV Therapy: Toward Precise Modifications and Multilevel Protection. Front Cell Infect Microbiol 2022; 12:880030. [PMID: 35694537 PMCID: PMC9177041 DOI: 10.3389/fcimb.2022.880030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 04/25/2022] [Indexed: 11/18/2022] Open
Abstract
Although highly active antiretroviral therapy (HAART) can robustly control human immunodeficiency virus (HIV) infection, the existence of latent HIV in a form of proviral DNA integrated into the host genome makes the virus insensitive to HAART. This requires patients to adhere to HAART for a lifetime, often leading to drug toxicity or viral resistance to therapy. Current genome-editing technologies offer different strategies to reduce the latent HIV reservoir in the body. In this review, we systematize the research on CRISPR/Cas-based anti-HIV therapeutic methods, discuss problems related to viral escape and gene editing, and try to focus on the technologies that effectively and precisely introduce genetic modifications and confer strong resistance to HIV infection. Particularly, knock-in (KI) approaches, such as mature B cells engineered to produce broadly neutralizing antibodies, T cells expressing fusion inhibitory peptides in the context of inactivated viral coreceptors, or provirus excision using base editors, look very promising. Current and future advancements in the precision of CRISPR/Cas editing and its delivery will help extend its applicability to clinical HIV therapy.
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Affiliation(s)
- Alexandra Maslennikova
- Cell and Gene Technology Group, Institute of Gene Biology of Russian Academy of Science, Moscow, Russia
| | - Dmitriy Mazurov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Gene Biology of Russian Academy of Science, Moscow, Russia
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18
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Karvouni M, Vidal-Manrique M, Lundqvist A, Alici E. Engineered NK Cells Against Cancer and Their Potential Applications Beyond. Front Immunol 2022; 13:825979. [PMID: 35242135 PMCID: PMC8887605 DOI: 10.3389/fimmu.2022.825979] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/13/2022] [Indexed: 12/21/2022] Open
Abstract
Cell therapy is an innovative therapeutic concept where viable cells are implanted, infused, or grafted into a patient to treat impaired or malignant tissues. The term was first introduced circa the 19th century and has since resulted in multiple breakthroughs in different fields of medicine, such as neurology, cardiology, and oncology. Lately, cell and gene therapy are merging to provide cell products with additional or enhanced properties. In this context, adoptive transfer of genetically modified cytotoxic lymphocytes has emerged as a novel treatment option for cancer patients. To this day, five cell therapy products have been FDA approved, four of which for CD19-positive malignancies and one for B-cell maturation antigen (BCMA)-positive malignancies. These are personalized immunotherapies where patient T cells are engineered to express chimeric antigen receptors (CARs) with the aim to redirect the cells against tumor-specific antigens. CAR-T cell therapies show impressive objective response rates in clinical trials that, in certain instances, may reach up to 80%. However, the life-threatening side effects associated with T cell toxicity and the manufacturing difficulties of developing personalized therapies hamper their widespread use. Recent literature suggests that Natural Killer (NK) cells, may provide a safer alternative and an 'off-the-shelf' treatment option thanks to their potent antitumor properties and relatively short lifespan. Here, we will discuss the potential of NK cells in CAR-based therapies focusing on the applications of CAR-NK cells in cancer therapy and beyond.
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Affiliation(s)
- Maria Karvouni
- Center for Hematology and Regenerative Medicine, Department of Medicine-Huddinge, Karolinska Institute, Stockholm, Sweden
| | - Marcos Vidal-Manrique
- Center for Hematology and Regenerative Medicine, Department of Medicine-Huddinge, Karolinska Institute, Stockholm, Sweden
| | - Andreas Lundqvist
- Department of Oncology‐Pathology, Karolinska Institute, Stockholm, Sweden
| | - Evren Alici
- Center for Hematology and Regenerative Medicine, Department of Medicine-Huddinge, Karolinska Institute, Stockholm, Sweden
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19
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Amendola M, Bedel A, Buj-Bello A, Carrara M, Concordet JP, Frati G, Gilot D, Giovannangeli C, Gutierrez-Guerrero A, Laurent M, Miccio A, Moreau-Gaudry F, Sourd C, Valton J, Verhoeyen E. Recent Progress in Genome Editing for Gene Therapy Applications: The French Perspective. Hum Gene Ther 2021; 32:1059-1075. [PMID: 34494480 DOI: 10.1089/hum.2021.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Recent advances in genome editing tools, especially novel developments in the clustered regularly interspaced short palindromic repeats associated to Cas9 nucleases (CRISPR/Cas9)-derived editing machinery, have revolutionized not only basic science but, importantly, also the gene therapy field. Their flexibility and ability to introduce precise modifications in the genome to disrupt or correct genes or insert expression cassettes in safe harbors in the genome underline their potential applications as a medicine of the future to cure many genetic diseases. In this review, we give an overview of the recent progress made by French researchers in the field of therapeutic genome editing, while putting their work in the general context of advances made in the field. We focus on recent hematopoietic stem cell gene editing strategies for blood diseases affecting the red blood cells or blood coagulation as well as lysosomal storage diseases. We report on a genome editing-based therapy for muscular dystrophy and the potency of T cell gene editing to increase anticancer activity of chimeric antigen receptor T cells to combat cancer. We will also discuss technical obstacles and side effects such as unwanted editing activity that need to be surmounted on the way toward a clinical implementation of genome editing. We propose here improvements developed today, including by French researchers to overcome the editing-related genotoxicity and improve editing precision by the use of novel recombinant nuclease-based systems such as nickases, base editors, and prime editors. Finally, a solution is proposed to resolve the cellular toxicity induced by the systems employed for gene editing machinery delivery.
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Affiliation(s)
- Mario Amendola
- Genethon, Evry, France.,Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, Evry, France
| | - Aurélie Bedel
- Bordeaux University, Bordeaux, France.,INSERM U1035, Biotherapy of Genetic Diseases, Inflammatory Disorders and Cancers, Bordeaux, France.,Biochemistry Laboratory, University Hospital Bordeaux, Bordeaux, France
| | - Ana Buj-Bello
- Genethon, Evry, France.,Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, Evry, France
| | - Mathieu Carrara
- Museum National d'Histoire Naturelle, Inserm U1154, CNRS UMR 7196, Sorbonne Universités, Paris, France
| | - Jean-Paul Concordet
- Museum National d'Histoire Naturelle, Inserm U1154, CNRS UMR 7196, Sorbonne Universités, Paris, France
| | - Giacomo Frati
- Laboratory of Chromatin and Gene Regulation During Development, Imagine Institute, INSERM UMR1163, Paris, France.,Université de Paris, Paris, France
| | - David Gilot
- Inserm U1242, Université de Rennes, Centre de lutte contre le cancer Eugène Marquis, Rennes, France
| | - Carine Giovannangeli
- Museum National d'Histoire Naturelle, Inserm U1154, CNRS UMR 7196, Sorbonne Universités, Paris, France
| | - Alejandra Gutierrez-Guerrero
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | - Marine Laurent
- Genethon, Evry, France.,Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, Evry, France
| | - Annarita Miccio
- Laboratory of Chromatin and Gene Regulation During Development, Imagine Institute, INSERM UMR1163, Paris, France.,Université de Paris, Paris, France
| | - François Moreau-Gaudry
- Bordeaux University, Bordeaux, France.,INSERM U1035, Biotherapy of Genetic Diseases, Inflammatory Disorders and Cancers, Bordeaux, France.,Biochemistry Laboratory, University Hospital Bordeaux, Bordeaux, France
| | - Célia Sourd
- Genethon, Evry, France.,Université Paris-Saclay, Univ Evry, Inserm, Genethon, Integrare Research Unit UMR_S951, Evry, France
| | | | - Els Verhoeyen
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France.,Université Côte d'Azur, INSERM, C3M, Nice, France
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