1
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Renner A, Stahringer A, Ruppel KE, Fricke S, Koehl U, Schmiedel D. Development of KoRV-pseudotyped lentiviral vectors for efficient gene transfer into freshly isolated immune cells. Gene Ther 2024:10.1038/s41434-024-00454-0. [PMID: 38684788 DOI: 10.1038/s41434-024-00454-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 04/15/2024] [Accepted: 04/18/2024] [Indexed: 05/02/2024]
Abstract
Allogeneic cell therapies, such as those involving macrophages or Natural Killer (NK) cells, are of increasing interest for cancer immunotherapy. However, the current techniques for genetically modifying these cell types using lenti- or gamma-retroviral vectors present challenges, such as required cell pre-activation and inefficiency in transduction, which hinder the assessment of preclinical efficacy and clinical translation. In our study, we describe a novel lentiviral pseudotype based on the Koala Retrovirus (KoRV) envelope protein, which we identified based on homology to existing pseudotypes used in cell therapy. Unlike other pseudotyped viral vectors, this KoRV-based envelope demonstrates remarkable efficiency in transducing freshly isolated primary human NK cells directly from blood, as well as freshly obtained monocytes, which were differentiated to M1 macrophages as well as B cells from multiple donors, achieving up to 80% reporter gene expression within three days post-transduction. Importantly, KoRV-based transduction does not compromise the expression of crucial immune cell receptors, nor does it impair immune cell functionality, including NK cell viability, proliferation, cytotoxicity as well as phagocytosis of differentiated macrophages. Preserving immune cell functionality is pivotal for the success of cell-based therapeutics in treating various malignancies. By achieving high transduction rates of freshly isolated immune cells before expansion, our approach enables a streamlined and cost-effective automated production of off-the-shelf cell therapeutics, requiring fewer viral particles and less manufacturing steps. This breakthrough holds the potential to significantly reduce the time and resources required for producing e.g. NK cell therapeutics, expediting their availability to patients in need.
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Affiliation(s)
- Alexander Renner
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany
| | - Anika Stahringer
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany
| | - Katharina Eva Ruppel
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany
| | - Stephan Fricke
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany
- Fraunhofer Cluster of Excellence for Immune-Mediated Diseases, CIMD, Leipzig, Deutschland
| | - Ulrike Koehl
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany
- Fraunhofer Cluster of Excellence for Immune-Mediated Diseases, CIMD, Leipzig, Deutschland
- Institute for Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Dominik Schmiedel
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Department for Cell and Gene Therapy Development, Leipzig, Germany.
- Institute for Clinical Immunology, University of Leipzig, Leipzig, Germany.
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2
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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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3
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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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4
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Hill TF, Narvekar P, Asher G, Camp N, Thomas KR, Tasian SK, Rawlings DJ, James RG. Human plasma cells engineered to secrete bispecifics drive effective in vivo leukemia killing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.24.554523. [PMID: 37662410 PMCID: PMC10473709 DOI: 10.1101/2023.08.24.554523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Bispecific antibodies are an important tool for the management and treatment of acute leukemias. Advances in genome-engineering have enabled the generation of human plasma cells that secrete therapeutic proteins and are capable of long-term in vivo engraftment in humanized mouse models. As a next step towards clinical translation of engineered plasma cells (ePCs) towards cancer therapy, here we describe approaches for the expression and secretion of bispecific antibodies by human plasma cells. We show that human ePCs expressing either fragment crystallizable domain deficient anti-CD19 × anti-CD3 (blinatumomab) or anti-CD33 × anti-CD3 bispecific antibodies mediate T cell activation and direct T cell killing of specific primary human cell subsets and B-acute lymphoblastic leukemia or acute myeloid leukemia cell lines in vitro. We demonstrate that knockout of the self-expressed antigen, CD19, boosts anti-CD19 bispecific secretion by ePCs and prevents self-targeting. Further, anti-CD19 bispecific-ePCs elicited tumor eradication in vivo following local delivery in flank-implanted Raji lymphoma cells. Finally, immunodeficient mice engrafted with anti-CD19 bispecific-ePCs and autologous T cells potently prevented in vivo growth of CD19+ acute lymphoblastic leukemia in patient-derived xenografts. Collectively, these findings support further development of ePCs for use as a durable, local delivery system for the treatment of acute leukemias, and potentially other cancers.
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Affiliation(s)
- Tyler F. Hill
- University of Washington, Medical Scientist Training Program, Seattle WA
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
| | - Parnal Narvekar
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
| | - Gregory Asher
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
| | - Nathan Camp
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
| | - Kerri R. Thomas
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
| | - Sarah K. Tasian
- Children’s Hospital of Philadelphia, Division of Oncology and Center for Childhood Cancer Research, Philadelphia PA
- Department of Pediatrics and Abramson Cancer Center, University of Pennsylvania Perelman School of Medicine, Philadelphia PA
| | - David J. Rawlings
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
- University of Washington, Departments of Pediatrics and Immunology, Seattle WA
| | - Richard G. James
- Seattle Children’s Research Institute, Center for Immunity and Immunotherapy, Seattle WA
- University of Washington, Departments of Pediatrics and Pharmacology, Seattle WA
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5
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Noguchi K, Ikawa Y, Takenaka M, Sakai Y, Fujiki T, Kuroda R, Chappell M, Ghiaccio V, Rivella S, Wada T. Protocol for a high titer of BaEV-Rless pseudotyped lentiviral vector: Focus on syncytium formation and detachment. J Virol Methods 2023; 314:114689. [PMID: 36739979 DOI: 10.1016/j.jviromet.2023.114689] [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: 11/06/2022] [Revised: 01/12/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
The development of hematopoietic stem cell (HSCs) gene therapy for DNA repair disorders, such as Fanconi anemia and Bloom syndrome, is challenging because of the induction of HSCs apoptosis by cytokine stimulation. Although the Baboon envelope pseudotyped lentiviral vector (BaEV-Rless-LV) has been reported as a non-stimulatory gene transfer tool, the virus titer of BaEV-Rless-LV is too low for use in clinical applications. Transfected 293 T cells with helper plasmids, including the BaEV-Rless plasmid, showed morphological changes, such as syncytium formation and detachment. To establish a novel protocol for producing a high titer of BaEV-Rless-LV, we optimized three aspects of a basic virus production protocol by focusing on modifying culture conditions and the use of reagents: the virus titer increased 3-fold when the amount of BaEV-Rless plasmid was increased 1.2-fold; the highest titer was obtained when the viral supernatant was harvested at 48-h post-transfection, despite complete syncytium formation and detachment of the 293 T cells; and the use of poly-L-lysine-coated culture plates to enhance the adhesion and proliferation of 293 T cells and prevent detachment doubled the titer. Collectively, our novel protocol resulted in a 10-fold titer increase compared to the basic protocol and may be useful in clinical applications for treating DNA repair disorders.
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Affiliation(s)
- Kazuhiro Noguchi
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
| | - Yasuhiro Ikawa
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan.
| | - Mika Takenaka
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
| | - Yuta Sakai
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
| | - Toshihiro Fujiki
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
| | - Rie Kuroda
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
| | - Maxwell Chappell
- Department of Hematology, Children's Hospital of Philadelphia, United States
| | - Valentina Ghiaccio
- Department of Hematology, Children's Hospital of Philadelphia, United States
| | - Stefano Rivella
- Department of Hematology, Children's Hospital of Philadelphia, United States
| | - Taizo Wada
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Japan
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6
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Pastor S, Wicinski J, Charafe-Jauffret E, Verhoeyen E, Guittard G, Ginestier C. Production of CRISPRi-engineered primary human mammary epithelial cells with baboon envelope pseudotyped lentiviral vectors. STAR Protoc 2023; 4:102055. [PMID: 36853718 PMCID: PMC9871349 DOI: 10.1016/j.xpro.2023.102055] [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: 10/21/2022] [Revised: 12/01/2022] [Accepted: 01/03/2023] [Indexed: 01/21/2023] Open
Abstract
Primary human mammary epithelial cells (pHMECs) are known to be remarkably difficult to engineer genetically. Here, we present a protocol for efficient transduction of pHMECs using a baboon retroviral envelope glycoprotein for pseudotyping of lentiviral vectors (BaEV-LVs). We describe the preparation of the BaEV-LVs, the isolation of pHMECs from breast samples, and the subsequent transduction of pHMECs. We also detail the use of CRISPRi technology to efficiently silence gene expression in pHMECs, which can then be used for functional assays. For complete details on the use and execution of this protocol, please refer to Richart et al. (2022).1.
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Affiliation(s)
- Sonia Pastor
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Immunity and Cancer Team, Marseille, France
| | - Julien Wicinski
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Lab, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
| | - Emmanuelle Charafe-Jauffret
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Lab, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
| | - Els Verhoeyen
- C3M, Université Côte d'Azur, Inserm, 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, 69007 Lyon, France
| | - Geoffrey Guittard
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Immunity and Cancer Team, Marseille, France.
| | - Christophe Ginestier
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Lab, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France.
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7
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Vamva E, Ozog S, Leaman DP, Yu-Hong Cheng R, Irons NJ, Ott A, Stoffers C, Khan I, Goebrecht GK, Gardner MR, Farzan M, Rawlings DJ, Zwick MB, James RG, Torbett BE. A lentiviral vector B cell gene therapy platform for the delivery of the anti-HIV-1 eCD4-Ig-knob-in-hole-reversed immunoadhesin. Mol Ther Methods Clin Dev 2023; 28:366-384. [PMID: 36879849 PMCID: PMC9984920 DOI: 10.1016/j.omtm.2023.02.004] [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: 03/01/2022] [Accepted: 02/08/2023] [Indexed: 02/12/2023]
Abstract
Barriers to effective gene therapy for many diseases include the number of modified target cells required to achieve therapeutic outcomes and host immune responses to expressed therapeutic proteins. As long-lived cells specialized for protein secretion, antibody-secreting B cells are an attractive target for foreign protein expression in blood and tissue. To neutralize HIV-1, we developed a lentiviral vector (LV) gene therapy platform for delivery of the anti-HIV-1 immunoadhesin, eCD4-Ig, to B cells. The EμB29 enhancer/promoter in the LV limited gene expression in non-B cell lineages. By engineering a knob-in-hole-reversed (KiHR) modification in the CH3-Fc eCD4-Ig domain, we reduced interactions between eCD4-Ig and endogenous B cell immunoglobulin G proteins, which improved HIV-1 neutralization potency. Unlike previous approaches in non-lymphoid cells, eCD4-Ig-KiHR produced in B cells promoted HIV-1 neutralizing protection without requiring exogenous TPST2, a tyrosine sulfation enzyme required for eCD4-Ig-KiHR function. This finding indicated that B cell machinery is well suited to produce therapeutic proteins. Lastly, to overcome the inefficient transduction efficiency associated with VSV-G LV delivery to primary B cells, an optimized measles pseudotyped LV packaging methodology achieved up to 75% transduction efficiency. Overall, our findings support the utility of B cell gene therapy platforms for therapeutic protein delivery.
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Affiliation(s)
- Eirini Vamva
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
| | - Stosh Ozog
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
| | - Daniel P. Leaman
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Rene Yu-Hong Cheng
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
| | - Nicholas J. Irons
- Department of Statistics, University of Washington, Seattle, WA, USA
| | - Andee Ott
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
| | - Claire Stoffers
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
| | - Iram Khan
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
| | | | - Matthew R. Gardner
- Department of Infectious Diseases, The Scripps Research Institute, Jupiter, FL, USA
| | - Michael Farzan
- Department of Infectious Diseases, The Scripps Research Institute, Jupiter, FL, USA
| | - David J. Rawlings
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
- Department of Immunology, University of Washington School of Medicine, Seattle, WA, USA
| | - Michael B. Zwick
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Richard G. James
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
- Department of Pharmacology, University of Washington School of Medicine, Seattle, WA, USA
| | - Bruce E. Torbett
- Center for Immunity and Immunotherapies, Seattle Children’s Research Institute, Seattle, WA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
- Institute for Stem Cell and Regenerative Medicine, Seattle, WA, USA
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8
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Generation of Stable Cell Lines Expressing Golgi Reassembly Stacking Proteins (GRASPs) by Viral Transduction. Methods Mol Biol 2022; 2557:391-416. [PMID: 36512228 DOI: 10.1007/978-1-0716-2639-9_24] [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: 12/15/2022]
Abstract
Stable cell lines that express a gene of specific interest provide an advantage over transient gene expression by reducing variations in transfection efficiency between experiments, sustaining expression for long-term studies, and controlling expression levels in particular if a clonal population is selected. Transient transfection requires introduction of an exogenous gene into host cells via typically harsh chemicals or conditions that permeabilize the cell membrane, which does not normally integrate into the target cell genome. Here, we describe the method of using retroviral transduction to stably express Golgi proteins fused to a promiscuous biotin ligase (TurboID) in HeLa cells, thus creating cell lines that can be leveraged in studies of the proximome/interactome. We also demonstrate a similar protocol for stable expression of a Golgi protein fused to a fluorescent tag via lentiviral transduction. These methods can be further adapted to establish other cell lines with different sub-cellular markers or fusion tags. Viral transduction is a convenient method to create stable cell lines in cell-based studies.
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9
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Edelstein J, Fritz M, Lai SK. Challenges and opportunities in gene editing of B cells. Biochem Pharmacol 2022; 206:115285. [PMID: 36241097 DOI: 10.1016/j.bcp.2022.115285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/28/2022] [Accepted: 09/30/2022] [Indexed: 01/29/2023]
Abstract
B cells have long been an underutilized target in immune cell engineering, despite a number of unique attributes that could address longstanding challenges in medicine. Notably, B cells evolved to secrete large quantities of antibodies for prolonged periods, making them suitable platforms for long-term protein delivery. Recent advances in gene editing technologies, such as CRISPR-Cas, have improved the precision and efficiency of engineering and expanded potential applications of engineered B cells. While most work on B cell editing has focused on ex vivo modification, a body of recent work has also advanced the possibility of in vivo editing applications. In this review, we will discuss both past and current approaches to B cell engineering, and its promising applications in immunology research and therapeutic gene editing.
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Affiliation(s)
- Jasmine Edelstein
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Marshall Fritz
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Samuel K Lai
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA; Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA; Department of Immunology and Microbiology, University of North Carolina, Chapel Hill, NC, USA.
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10
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Kleinboehl E, Laoharawee K, Moriarity B. Primary B cell engineering for therapeutic research. Trends Mol Med 2022; 28:528-529. [PMID: 35430120 PMCID: PMC9936666 DOI: 10.1016/j.molmed.2022.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 01/13/2023]
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11
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Shi R, Jia S, Liu H, Nie H. Clinical grade lentiviral vector purification and quality control requirements. J Sep Sci 2022; 45:2093-2101. [PMID: 35247228 DOI: 10.1002/jssc.202100937] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 02/27/2022] [Accepted: 03/01/2022] [Indexed: 11/10/2022]
Abstract
Lentiviral vectors have been proven to be a powerful tool in gene therapies that includes the ability to perform long-term gene editing in both dividing and non-dividing cells. In order to meet the rising demand of clinical grade lentiviral vectors for future clinical trials and requirements by regulatory agencies, new methods and technologies were developed, including the rapid optimization of production and purification processes. However, gaps still exist in achieving ideal yields and recovery rates in large-scale manufacturing process steps. The downstream purification process is a critical step required to obtain sufficient quantity and high-quality lentiviral vectors products, which is challenged by the low stability of the LV particles and large production volumes associated with the manufacturing process. This review summarizes the most recent and promising technologies and enhancements used in the large-scale purification process step of LV manufacturing and aims to provide a significant contribution towards the achievement of providing sufficient quantity and quality of LVs in scalable processes. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ruina Shi
- Immunochina Pharmaceutical Co., Ltd., Beijing, China
| | - Shenghua Jia
- Immunochina Pharmaceutical Co., Ltd., Beijing, China
| | - Huwei Liu
- College of Life Sciences, Wuchang University of Technology, Wuhan, China.,Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Honggang Nie
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, China.,Analytical Instrumental Center, Peking University, Beijing, China
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12
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Sasaki K, Yamauchi T, Semba Y, Nogami J, Imanaga H, Terasaki T, Nakao F, Akahane K, Inukai T, Verhoeyen E, Akashi K, Maeda T. Genome-wide CRISPR-Cas9 screen identifies rationally designed combination therapies for CRLF2-rearranged Ph-like ALL. Blood 2022; 139:748-760. [PMID: 34587248 PMCID: PMC9632759 DOI: 10.1182/blood.2021012976] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/14/2021] [Indexed: 02/05/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) harboring the IgH-CRLF2 rearrangement (IgH-CRLF2-r) exhibits poor clinical outcomes and is the most common subtype of Philadelphia chromosome-like acute lymphoblastic leukemia (Ph-like ALL). While multiple chemotherapeutic regimens, including ruxolitinib monotherapy and/or its combination with chemotherapy, are being tested, their efficacy is reportedly limited. To identify molecules/pathways relevant for IgH-CRLF2-r ALL pathogenesis, we performed genome-wide CRISPR-Cas9 dropout screens in the presence or absence of ruxolitinib using 2 IgH-CRLF2-r ALL lines that differ in RAS mutational status. To do so, we employed a baboon envelope pseudotyped lentiviral vector system, which enabled, for the first time, highly efficient transduction of human B cells. While single-guide RNAs (sgRNAs) targeting CRLF2, IL7RA, or JAK1/2 significantly affected cell fitness in both lines, those targeting STAT5A, STAT5B, or STAT3 did not, suggesting that STAT signaling is largely dispensable for IgH-CRLF2-r ALL cell survival. We show that regulators of RAS signaling are critical for cell fitness and ruxolitinib sensitivity and that CRKL depletion enhances ruxolitinib sensitivity in RAS wild-type (WT) cells. Gilteritinib, a pan-tyrosine kinase inhibitor that blocks CRKL phosphorylation, effectively killed RAS WT IgH-CRLF2-r ALL cells in vitro and in vivo, either alone or combined with ruxolitinib. We further show that combining gilteritinib with trametinib, a MEK1/2 inhibitor, is an effective means to target IgH-CRLF2-r ALL cells regardless of RAS mutational status. Our study delineates molecules/pathways relevant for CRLF2-r ALL pathogenesis and could suggest rationally designed combination therapies appropriate for disease subtypes.
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Affiliation(s)
- Kensuke Sasaki
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Takuji Yamauchi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Yuichiro Semba
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Jumpei Nogami
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Hiroshi Imanaga
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Tatsuya Terasaki
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Fumihiko Nakao
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Koshi Akahane
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Takeshi Inukai
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Els Verhoeyen
- CIRI-International Center for Infectiology Research, INSERM, Unité 1111, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique, Unité Mixte de Recherche (UMR) 5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France; and
| | - Koichi Akashi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Takahiro Maeda
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
- CIRI-International Center for Infectiology Research, INSERM, Unité 1111, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique, Unité Mixte de Recherche (UMR) 5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France; and
- Division of Precision Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
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13
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Efficient adoptive transfer of autologous modified B cells: a new humanized platform mouse model for testing B cells reprogramming therapies. Cancer Immunol Immunother 2021; 71:1771-1775. [PMID: 34748076 PMCID: PMC9188505 DOI: 10.1007/s00262-021-03101-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 10/26/2021] [Indexed: 11/17/2022]
Abstract
Here, we report a novel experimental setup to perform adoptive transfer of gene-edited B cells using humanized immune system mice by infusing autologous HIS mouse-derived human B cells “educated” in a murine context and thus rendered tolerant to the host. The present approach presents two advantages over the conventional humanized PBMC mouse models: (i) it circumvents the risk of xenogeneic graft-versus-host reaction and (ii) it mimics more closely human immune responses, thus favoring clinical translation. We show that the frequencies and numbers of transduced B cells in recipient’s spleens one week post-transfer are within the range of the size of the pre-immune B cell population specific for a given protein antigen in the mouse. They are also compatible with the B cell numbers required to elicit a sizeable immune response upon immunization. Altogether, our findings pave the way for future studies aiming at assessing therapeutic interventions involving B cell reprogramming for instance by an antibody transgene in a “humanized” hematopoietic setting.
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14
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Rogers GL, Cannon PM. Genome edited B cells: a new frontier in immune cell therapies. Mol Ther 2021; 29:3192-3204. [PMID: 34563675 PMCID: PMC8571172 DOI: 10.1016/j.ymthe.2021.09.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/13/2021] [Accepted: 09/20/2021] [Indexed: 10/20/2022] Open
Abstract
Cell therapies based on reprogrammed adaptive immune cells have great potential as "living drugs." As first demonstrated clinically for engineered chimeric antigen receptor (CAR) T cells, the ability of such cells to undergo clonal expansion in response to an antigen promotes both self-renewal and self-regulation in vivo. B cells also have the potential to be developed as immune cell therapies, but engineering their specificity and functionality is more challenging than for T cells. In part, this is due to the complexity of the immunoglobulin (Ig) locus, as well as the requirement for regulated expression of both cell surface B cell receptor and secreted antibody isoforms, in order to fully recapitulate the features of natural antibody production. Recent advances in genome editing are now allowing reprogramming of B cells by site-specific engineering of the Ig locus with preformed antibodies. In this review, we discuss the potential of engineered B cells as a cell therapy, the challenges involved in editing the Ig locus and the advances that are making this possible, and envision future directions for this emerging field of immune cell engineering.
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Affiliation(s)
- Geoffrey L Rogers
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Paula M Cannon
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.
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15
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Gutierrez-Guerrero A, Abrey Recalde MJ, Mangeot PE, Costa C, Bernadin O, Périan S, Fusil F, Froment G, Martinez-Turtos A, Krug A, Martin F, Benabdellah K, Ricci EP, Giovannozzi S, Gijsbers R, Ayuso E, Cosset FL, Verhoeyen E. Baboon Envelope Pseudotyped "Nanoblades" Carrying Cas9/gRNA Complexes Allow Efficient Genome Editing in Human T, B, and CD34 + Cells and Knock-in of AAV6-Encoded Donor DNA in CD34 + Cells. Front Genome Ed 2021; 3:604371. [PMID: 34713246 PMCID: PMC8525375 DOI: 10.3389/fgeed.2021.604371] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/18/2021] [Indexed: 12/26/2022] Open
Abstract
Programmable nucleases have enabled rapid and accessible genome engineering in eukaryotic cells and living organisms. However, their delivery into human blood cells can be challenging. Here, we have utilized "nanoblades," a new technology that delivers a genomic cleaving agent into cells. These are modified murine leukemia virus (MLV) or HIV-derived virus-like particle (VLP), in which the viral structural protein Gag has been fused to Cas9. These VLPs are thus loaded with Cas9 protein complexed with the guide RNAs. Highly efficient gene editing was obtained in cell lines, IPS and primary mouse and human cells. Here, we showed that nanoblades were remarkably efficient for entry into human T, B, and hematopoietic stem and progenitor cells (HSPCs) thanks to their surface co-pseudotyping with baboon retroviral and VSV-G envelope glycoproteins. A brief incubation of human T and B cells with nanoblades incorporating two gRNAs resulted in 40 and 15% edited deletion in the Wiskott-Aldrich syndrome (WAS) gene locus, respectively. CD34+ cells (HSPCs) treated with the same nanoblades allowed 30-40% exon 1 drop-out in the WAS gene locus. Importantly, no toxicity was detected upon nanoblade-mediated gene editing of these blood cells. Finally, we also treated HSPCs with nanoblades in combination with a donor-encoding rAAV6 vector resulting in up to 40% of stable expression cassette knock-in into the WAS gene locus. Summarizing, this new technology is simple to implement, shows high flexibility for different targets including primary immune cells of human and murine origin, is relatively inexpensive and therefore gives important prospects for basic and clinical translation in the area of gene therapy.
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Affiliation(s)
- 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
| | - Maria Jimena Abrey Recalde
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France.,Laboratory of Lentiviral Vectors and Gene Therapy, University Institute of Italian Hospital, National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - 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, Lyon, France
| | - Caroline Costa
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | - Ornellie Bernadin
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | - Séverine Périan
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | - Floriane Fusil
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | - Gisèle Froment
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
| | | | - Adrien Krug
- Université Côte d'Azur, INSERM, Nice, France
| | - Francisco Martin
- Centre for Genomics and Oncological Research (GENYO), Genomic Medicine Department, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - Karim Benabdellah
- Centre for Genomics and Oncological Research (GENYO), Genomic Medicine Department, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - Emiliano P Ricci
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France.,Laboratory of Biology and Modeling of the Cell (LBMC), Université de Lyon, Ecole Normale Supérieure de Lyon (ENS de Lyon), Université Claude Bernard, Inserm, U1210, CNRS, UMR5239, Lyon, France
| | - Simone Giovannozzi
- Laboratory for Viral Vector Technology & Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, Katholieke Universiteit Leuven, Leuven, Belgium.,KU Leuven, Department of Microbiology, Immunology and Transplantation, Allergy and Clinical Immunology Research Group, Leuven, Belgium
| | - Rik Gijsbers
- Laboratory for Viral Vector Technology & Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Eduard Ayuso
- INSERM UMR1089, University of Nantes, Centre Hospitalier Universitaire, Nantes, France
| | - François-Loïc Cosset
- CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, 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, Nice, France
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16
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Jeske AM, Boucher P, Curiel DT, Voss JE. Vector Strategies to Actualize B Cell-Based Gene Therapies. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 207:755-764. [PMID: 34321286 PMCID: PMC8744967 DOI: 10.4049/jimmunol.2100340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/26/2021] [Indexed: 12/29/2022]
Abstract
Recent developments in genome editing and delivery systems have opened new possibilities for B cell gene therapy. CRISPR-Cas9 nucleases have been used to introduce transgenes into B cell genomes for subsequent secretion of exogenous therapeutic proteins from plasma cells and to program novel B cell Ag receptor specificities, allowing for the generation of desirable Ab responses that cannot normally be elicited in animal models. Genome modification of B cells or their progenitor, hematopoietic stem cells, could potentially substitute Ab or protein replacement therapies that require multiple injections over the long term. To date, B cell editing using CRISPR-Cas9 has been solely employed in preclinical studies, in which cells are edited ex vivo. In this review, we discuss current B cell engineering efforts and strategies for the eventual safe and economical adoption of modified B cells into the clinic, including in vivo viral delivery of editing reagents to B cells.
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Affiliation(s)
- Amanda M Jeske
- Department of Biomedical Engineering, McKelvey School of Engineering, Washington University in Saint Louis, St. Louis, MO
- Division of Cancer Biology, Department of Radiation Oncology, School of Medicine, Washington University in Saint Louis, St. Louis, MO
| | - Paul Boucher
- Department of Biomedical Engineering, McKelvey School of Engineering, Washington University in Saint Louis, St. Louis, MO
- Division of Cancer Biology, Department of Radiation Oncology, School of Medicine, Washington University in Saint Louis, St. Louis, MO
| | - David T Curiel
- Department of Biomedical Engineering, McKelvey School of Engineering, Washington University in Saint Louis, St. Louis, MO
- Division of Cancer Biology, Department of Radiation Oncology, School of Medicine, Washington University in Saint Louis, St. Louis, MO
- Biologic Therapeutics Center, Department of Radiation Oncology, School of Medicine, Washington University in Saint Louis, St. Louis, MO; and
| | - James E Voss
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA
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17
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Moreira AS, Cavaco DG, Faria TQ, Alves PM, Carrondo MJT, Peixoto C. Advances in Lentivirus Purification. Biotechnol J 2020; 16:e2000019. [PMID: 33089626 DOI: 10.1002/biot.202000019] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/15/2020] [Indexed: 12/20/2022]
Abstract
Lentiviral vectors (LVs) have been increasingly used as a tool for gene and cell therapies since they can stably integrate the genome in dividing and nondividing cells. LV production and purification processes have evolved substantially over the last decades. However, the increasing demands for higher quantities with more restrictive purity requirements are stimulating the development of novel materials and strategies to supply the market with LV in a cost-effective manner. A detailed review of each downstream process unit operation is performed, limitations, strengths, and potential outcomes being covered. Currently, the majority of large-scale LV manufacturing processes are still based on adherent cell culture, although it is known that the industry is migrating fast to suspension cultures. Regarding the purification strategy, it consists of batch chromatography and membrane technology. Nevertheless, new solutions are being created to improve the current production schemes and expand its clinical use.
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Affiliation(s)
- Ana Sofia Moreira
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal.,Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - David Guia Cavaco
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal.,Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - Tiago Q Faria
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal.,Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - Paula M Alves
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal.,Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, Portugal
| | - Manuel J T Carrondo
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal
| | - Cristina Peixoto
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, Portugal
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18
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Luo B, Zhan Y, Luo M, Dong H, Liu J, Lin Y, Zhang J, Wang G, Verhoeyen E, Zhang Y, Zhang H. Engineering of α-PD-1 antibody-expressing long-lived plasma cells by CRISPR/Cas9-mediated targeted gene integration. Cell Death Dis 2020; 11:973. [PMID: 33184267 PMCID: PMC7661525 DOI: 10.1038/s41419-020-03187-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/25/2020] [Accepted: 10/27/2020] [Indexed: 12/11/2022]
Abstract
Long-lived plasma cells (LLPCs) are robust specialized antibody-secreting cells that mainly stay in the bone marrow and can persist a lifetime. As they can be generated by inducing the differentiation of B-lymphocytes, we investigated the possibility that human LLPCs might be engineered to express α-PD-1 monoclonal antibody to substitute recombinant α-PD-1 antitumor immunotherapy. To this end, we inserted an α-PD-1 cassette into the GAPDH locus through Cas9/sgRNA-guided specific integration in B-lymphocytes, which was mediated by an integrase-defective lentiviral vector. The edited B cells were capable of differentiating into LLPCs both in vitro and in vivo. Transcriptional profiling analysis confirmed that these cells were typical LLPCs. Importantly, these cells secreted de novo antibodies persistently, which were able to inhibit human melanoma growth via an antibody-mediated checkpoint blockade in xenograft-tumor mice. Our work suggests that the engineered LLPCs may be utilized as a vehicle to constantly produce special antibodies for long-term cellular immunotherapy to eradicate tumors and cellular reservoirs for various pathogens including human immunodeficiency virus type 1 (HIV-1) and hepatitis B virus (HBV).
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Affiliation(s)
- Baohong Luo
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Yikang Zhan
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Minqi Luo
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Huimin Dong
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Jun Liu
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Yingtong Lin
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Junsong Zhang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Guanwen Wang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China
| | - Els Verhoeyen
- CIRI - International Center for Infectiology, Research team EVIR, Inserm, U1111, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1, University of Lyon, Lyon, France.,Université Côte d'Azur, INSERM, C3M, 06204, Nice, France
| | - Yiwen Zhang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China. .,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China. .,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.
| | - Hui Zhang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China. .,Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China. .,Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, 510080, Guangzhou, Guangdong, China.
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19
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Gutierrez-Guerrero A, Cosset FL, Verhoeyen E. Lentiviral Vector Pseudotypes: Precious Tools to Improve Gene Modification of Hematopoietic Cells for Research and Gene Therapy. Viruses 2020; 12:v12091016. [PMID: 32933033 PMCID: PMC7551254 DOI: 10.3390/v12091016] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 12/20/2022] Open
Abstract
Viruses have been repurposed into tools for gene delivery by transforming them into viral vectors. The most frequently used vectors are lentiviral vectors (LVs), derived from the human immune deficiency virus allowing efficient gene transfer in mammalian cells. They represent one of the safest and most efficient treatments for monogenic diseases affecting the hematopoietic system. LVs are modified with different viral envelopes (pseudotyping) to alter and improve their tropism for different primary cell types. The vesicular stomatitis virus glycoprotein (VSV-G) is commonly used for pseudotyping as it enhances gene transfer into multiple hematopoietic cell types. However, VSV-G pseudotyped LVs are not able to confer efficient transduction in quiescent blood cells, such as hematopoietic stem cells (HSC), B and T cells. To solve this problem, VSV-G can be exchanged for other heterologous viral envelopes glycoproteins, such as those from the Measles virus, Baboon endogenous retrovirus, Cocal virus, Nipah virus or Sendai virus. Here, we provide an overview of how these LV pseudotypes improved transduction efficiency of HSC, B, T and natural killer (NK) cells, underlined by multiple in vitro and in vivo studies demonstrating how pseudotyped LVs deliver therapeutic genes or gene editing tools to treat different genetic diseases and efficiently generate CAR T cells for cancer treatment.
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Affiliation(s)
- Alejandra Gutierrez-Guerrero
- Gastroenterology and Hepatology Division, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, Cornell University, New York, NY 10021, USA;
- The Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY 10021, USA
- CIRI, Université de Lyon, INSERM U1111, ENS de Lyon, Université Lyon 1, CNRS, UMR 5308, 69007 Lyon, France;
| | - François-Loïc Cosset
- CIRI, Université de Lyon, INSERM U1111, ENS de Lyon, Université Lyon 1, CNRS, UMR 5308, 69007 Lyon, France;
| | - Els Verhoeyen
- CIRI, Université de Lyon, INSERM U1111, ENS de Lyon, Université Lyon 1, CNRS, UMR 5308, 69007 Lyon, France;
- INSERM, C3M, Université Côte d’Azur, 06204 Nice, France
- Correspondence:
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20
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Daniel-Moreno A, Lamsfus-Calle A, Wilber A, Chambers CB, Johnston I, Antony JS, Epting T, Handgretinger R, Mezger M. Comparative analysis of lentiviral gene transfer approaches designed to promote fetal hemoglobin production for the treatment of β-hemoglobinopathies. Blood Cells Mol Dis 2020; 84:102456. [PMID: 32498026 DOI: 10.1016/j.bcmd.2020.102456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/25/2020] [Accepted: 05/25/2020] [Indexed: 01/05/2023]
Abstract
β-Hemoglobinopathies are among the most common single-gene disorders and are caused by different mutations in the β-globin gene. Recent curative therapeutic approaches for these disorders utilize lentiviral vectors (LVs) to introduce a functional copy of the β-globin gene into the patient's hematopoietic stem cells. Alternatively, fetal hemoglobin (HbF) can reduce or even prevent the symptoms of disease when expressed in adults. Thus, induction of HbF by means of LVs and other molecular approaches has become an alternative treatment of β-hemoglobinopathies. Here, we performed a head-to-head comparative analysis of HbF-inducing LVs encoding for: 1) IGF2BP1, 2) miRNA-embedded shRNA (shmiR) sequences specific for the γ-globin repressor protein BCL11A, and 3) γ-globin gene. Furthermore, two novel baboon envelope proteins (BaEV)-LVs were compared to the commonly used vesicular-stomatitis-virus glycoprotein (VSV-G)-LVs. Therapeutic levels of HbF were achieved for all VSV-G-LV approaches, from a therapeutic level of 20% using γ-globin LVs to 50% for both IGF2BP1 and BCL11A-shmiR LVs. Contrarily, BaEV-LVs conferred lower HbF expression with a peak level of 13%, however, this could still ameliorate symptoms of disease. From this thorough comparative analysis of independent HbF-inducing LV strategies, we conclude that HbF-inducing VSV-G-LVs represent a promising alternative to β-globin gene addition for patients with β-hemoglobinopathies.
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Affiliation(s)
- Alberto Daniel-Moreno
- University Children's Clinic Department of Pediatrics I, Hematology and Oncology, University of Tübingen, Germany
| | - Andrés Lamsfus-Calle
- University Children's Clinic Department of Pediatrics I, Hematology and Oncology, University of Tübingen, Germany
| | - Andrew Wilber
- Department of Medical Microbiology, Immunology and Cell Biology, SIU School of Medicine, and Simmons Cancer Institute, Springfield, IL, USA
| | - Christopher B Chambers
- Department of Medical Microbiology, Immunology and Cell Biology, SIU School of Medicine, and Simmons Cancer Institute, Springfield, IL, USA
| | - Ian Johnston
- Research & Development, Miltenyi Biotec GmbH, Bergisch Gladbach, Germany
| | - Justin S Antony
- University Children's Clinic Department of Pediatrics I, Hematology and Oncology, University of Tübingen, Germany
| | - Thomas Epting
- Clinical Chemistry and Laboratory Medicine, Medical Center, Faculty of Medicine, University of Freiburg, Germany
| | - Rupert Handgretinger
- University Children's Clinic Department of Pediatrics I, Hematology and Oncology, University of Tübingen, Germany
| | - Markus Mezger
- University Children's Clinic Department of Pediatrics I, Hematology and Oncology, University of Tübingen, Germany.
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21
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Baboon envelope LVs efficiently transduced human adult, fetal, and progenitor T cells and corrected SCID-X1 T-cell deficiency. Blood Adv 2020; 3:461-475. [PMID: 30755435 DOI: 10.1182/bloodadvances.2018027508] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 01/13/2019] [Indexed: 01/15/2023] Open
Abstract
T cells represent a valuable tool for treating cancers and infectious and inherited diseases; however, they are mainly short-lived in vivo. T-cell therapies would strongly benefit from gene transfer into long-lived persisting naive T cells or T-cell progenitors. Here we demonstrate that baboon envelope glycoprotein pseudotyped lentiviral vectors (BaEV-LVs) far outperformed other LV pseudotypes for transduction of naive adult and fetal interleukin-7-stimulated T cells. Remarkably, BaEV-LVs efficiently transduced thymocytes and T-cell progenitors generated by culture of CD34+ cells on Delta-like ligand 4 (Dll4). Upon NOD/SCIDγC-/- engraftment, high transduction levels (80%-90%) were maintained in all T-cell subpopulations. Moreover, T-cell lineage reconstitution was accelerated in NOD/SCIDγC-/- recipients after T-cell progenitor injection compared with hematopoietic stem cell transplantation. Furthermore, γC-encoding BaEV-LVs very efficiently transduced Dll4-generated T-cell precursors from a patient with X-linked severe combined immunodeficiency (SCID-X1), which fully rescued T-cell development in vitro. These results indicate that BaEV-LVs are valuable tools for the genetic modification of naive T cells, which are important targets for gene therapy. Moreover, they allowed for the generation of gene-corrected T-cell progenitors that rescued SCID-X1 T-cell development in vitro. Ultimately, the coinjection of LV-corrected T-cell progenitors and hematopoietic stem cells might accelerate T-cell reconstitution in immunodeficient patients.
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22
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Radek C, Bernadin O, Drechsel K, Cordes N, Pfeifer R, Sträßer P, Mormin M, Gutierrez-Guerrero A, Cosset FL, Kaiser AD, Schaser T, Galy A, Verhoeyen E, Johnston ICD. Vectofusin-1 Improves Transduction of Primary Human Cells with Diverse Retroviral and Lentiviral Pseudotypes, Enabling Robust, Automated Closed-System Manufacturing. Hum Gene Ther 2019; 30:1477-1493. [PMID: 31578886 PMCID: PMC6919281 DOI: 10.1089/hum.2019.157] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Cell and gene therapies are finally becoming viable patient treatment options, with both T cell- and hematopoietic stem cell (HSC)-based therapies being approved to market in Europe. However, these therapies, which involve the use of viral vector to modify the target cells, are expensive and there is an urgent need to reduce manufacturing costs. One major cost factor is the viral vector production itself, therefore improving the gene modification efficiency could significantly reduce the amount of vector required per patient. This study describes the use of a transduction enhancing peptide, Vectofusin-1®, to improve the transduction efficiency of primary target cells using lentiviral and gammaretroviral vectors (LV and RV) pseudotyped with a variety of envelope proteins. Using Vectofusin-1 in combination with LV pseudotyped with viral glycoproteins derived from baboon endogenous retrovirus, feline endogenous virus (RD114), and measles virus (MV), a strongly improved transduction of HSCs, B cells and T cells, even when cultivated under low stimulation conditions, could be observed. The formation of Vectofusin-1 complexes with MV-LV retargeted to CD20 did not alter the selectivity in mixed cell culture populations, emphasizing the precision of this targeting technology. Functional, ErbB2-specific chimeric antigen receptor-expressing T cells could be generated using a gibbon ape leukemia virus (GALV)-pseudotyped RV. Using a variety of viral vectors and target cells, Vectofusin-1 performed in a comparable manner to the traditionally used surface-bound recombinant fibronectin. As Vectofusin-1 is a soluble peptide, it was possible to easily transfer the T cell transduction method to an automated closed manufacturing platform, where proof of concept studies demonstrated efficient genetic modification of T cells with GALV-RV and RD114-RV and the subsequent expansion of mainly central memory T cells to a clinically relevant dose.
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Affiliation(s)
| | - Ornellie Bernadin
- CIRI-International Center for Infectiology Research, Team EVIR, Université de Lyon, Lyon, France.,Inserm, U1111, Ecole Normale Supérieure de Lyon, Lyon, France.,Université Lyon 1, CNRS, UMR5308, Lyon, France
| | | | - Nicole Cordes
- Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Rita Pfeifer
- Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany
| | - Pia Sträßer
- Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany
| | - Mirella Mormin
- Integrare Research Unit UMR_S951, Genethon, INSERM, University Evry, EPHE, Evry, France
| | - Alejandra Gutierrez-Guerrero
- CIRI-International Center for Infectiology Research, Team EVIR, Université de Lyon, Lyon, France.,Inserm, U1111, Ecole Normale Supérieure de Lyon, Lyon, France.,Université Lyon 1, CNRS, UMR5308, Lyon, France
| | - François-Loïc Cosset
- CIRI-International Center for Infectiology Research, Team EVIR, Université de Lyon, Lyon, France.,Inserm, U1111, Ecole Normale Supérieure de Lyon, Lyon, France.,Université Lyon 1, CNRS, UMR5308, Lyon, France
| | | | - Thomas Schaser
- Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany
| | - Anne Galy
- Integrare Research Unit UMR_S951, Genethon, INSERM, University Evry, EPHE, Evry, France
| | - Els Verhoeyen
- CIRI-International Center for Infectiology Research, Team EVIR, Université de Lyon, Lyon, France.,Inserm, U1111, Ecole Normale Supérieure de Lyon, Lyon, France.,Université Lyon 1, CNRS, UMR5308, Lyon, France.,Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France
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23
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Bauler M, Roberts JK, Wu CC, Fan B, Ferrara F, Yip BH, Diao S, Kim YI, Moore J, Zhou S, Wielgosz MM, Ryu B, Throm RE. Production of Lentiviral Vectors Using Suspension Cells Grown in Serum-free Media. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 17:58-68. [PMID: 31890741 PMCID: PMC6931067 DOI: 10.1016/j.omtm.2019.11.011] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 11/15/2019] [Indexed: 02/09/2023]
Abstract
Lentiviral vectors are increasingly utilized in cell and gene therapy applications because they efficiently transduce target cells such as hematopoietic stem cells and T cells. Large-scale production of current Good Manufacturing Practices-grade lentiviral vectors is limited because of the adherent, serum-dependent nature of HEK293T cells used in the manufacturing process. To optimize large-scale clinical-grade lentiviral vector production, we developed an improved production scheme by adapting HEK293T cells to grow in suspension using commercially available and chemically defined serum-free media. Lentiviral vectors with titers equivalent to those of HEK293T cells were produced from SJ293TS cells using optimized transfection conditions that reduced the required amount of plasmid DNA by 50%. Furthermore, purification of SJ293TS-derived lentiviral vectors at 1 L yielded a recovery of 55% ± 14% (n = 138) of transducing units in the starting material, more than a 2-fold increase over historical yields from adherent HEK293T serum-dependent lentiviral vector preparations. SJ293TS cells were stable to produce lentiviral vectors over 4 months of continuous culture. SJ293TS-derived lentiviral vectors efficiently transduced primary hematopoietic stem cells and T cells from healthy donors. Overall, our SJ293TS cell line enables high-titer vector production in serum-free conditions while reducing the amount of input DNA required, resulting in a highly efficient manufacturing option.
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Affiliation(s)
- Matthew Bauler
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jessica K Roberts
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Chang-Chih Wu
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Baochang Fan
- Therapeutics Production and Quality, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Francesca Ferrara
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Bon Ham Yip
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shiyong Diao
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Young-In Kim
- Experimental Cell Therapeutics Lab, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jennifer Moore
- Experimental Cell Therapeutics Lab, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Sheng Zhou
- Experimental Cell Therapeutics Lab, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Matthew M Wielgosz
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Byoung Ryu
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Robert E Throm
- Vector Development and Production Laboratory, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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24
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Hematopoietic stem cell gene therapy: The optimal use of lentivirus and gene editing approaches. Blood Rev 2019; 40:100641. [PMID: 31761379 DOI: 10.1016/j.blre.2019.100641] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/06/2019] [Accepted: 11/11/2019] [Indexed: 12/26/2022]
Abstract
Due to pioneering in vitro investigations on gene modification, gene engineering platforms have incredibly improved to a safer and more powerful tool for the treatment of multiple blood and immune disorders. Likewise, several clinical trials have been initiated combining autologous hematopoietic stem cell transplantation (auto-HSCT) with gene therapy (GT) tools. As several GT modalities such as lentivirus and gene editing tools have a long developmental path ahead to diminish its negative side effects, it is hard to decide which modality is optimal for treating a specific disease. Gene transfer by lentiviruses is the platform of choice for loss-of-mutation diseases, whereas gene correction/addition or gene disruption by gene editing tools, mainly CRISPR/Cas9, is likely to be more efficient in diseases where tight regulation is needed. Therefore, in this review, we compiled pertinent information about lentiviral gene transfer and CRISPR/Cas9 gene editing, their evolution to a safer platform for HSCT, and their applications on other types of gene disorders based on the etiology of the disease and cell fitness.
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25
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Brendel C, Rio P, Verhoeyen E. Humanized mice are precious tools for evaluation of hematopoietic gene therapies and preclinical modeling to move towards a clinical trial. Biochem Pharmacol 2019; 174:113711. [PMID: 31726047 DOI: 10.1016/j.bcp.2019.113711] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 11/07/2019] [Indexed: 12/11/2022]
Abstract
Over the last decade, incrementally improved xenograft mouse models, which support the engraftment and development of a human hemato-lymphoid system, have been developed and represent an important fundamental and preclinical research tool. Immunodeficient mice can be transplanted with human hematopoietic stem cells (HSCs) and this process is accompanied by HSC homing to the murine bone marrow. This is followed by stem cell expansion, multilineage hematopoiesis, long-term engraftment, and functional human antibody and cellular immune responses. The most significant contributions made by these humanized mice are the identification of normal and leukemic hematopoietic stem cells, the characterization of the human hematopoietic hierarchy, screening of anti-cancer therapies and their use as preclinical models for gene therapy applications. This review article focuses on several gene therapy applications that have benefited from evaluation in humanized mice such as chimeric antigen receptor (CAR) T cell therapies for cancer, anti-viral therapies and gene therapies for multiple monogenetic diseases. Humanized mouse models have been and still are of great value for the gene therapy field since they provide a more reliable understanding of sometimes complicated therapeutic approaches such as recently developed therapeutic gene editing strategies, which seek to correct a gene at its endogenous genomic locus. Additionally, humanized mouse models, which are of great importance with regard to testing new vector technologies in vivo for assessing safety and efficacy prior toclinical trials, help to expedite the critical translation from basic findings to clinical applications. In this review, innovative gene therapies and preclinical studies to evaluate T- and B-cell and HSC-based therapies in humanized mice are discussed and illustrated by multiple examples.
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Affiliation(s)
- Christian Brendel
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
| | - Paula Rio
- Division of Hematopoietic Innovative Therapies, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Investigaciones Sanitarias Fundación Jiménez Díaz (IIS-FJD), Madrid, Spain
| | - Els Verhoeyen
- CIRI, Université de Lyon, INSERM U1111, ENS de Lyon, Université Lyon1, CNRS, UMR 5308, 69007 Lyon, France; Université Côte d'Azur, INSERM, C3M, 06204 Nice, France.
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26
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Bari R, Granzin M, Tsang KS, Roy A, Krueger W, Orentas R, Schneider D, Pfeifer R, Moeker N, Verhoeyen E, Dropulic B, Leung W. A Distinct Subset of Highly Proliferative and Lentiviral Vector (LV)-Transducible NK Cells Define a Readily Engineered Subset for Adoptive Cellular Therapy. Front Immunol 2019; 10:2001. [PMID: 31507603 PMCID: PMC6713925 DOI: 10.3389/fimmu.2019.02001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/07/2019] [Indexed: 01/08/2023] Open
Abstract
Genetic engineering is an important tool for redirecting the function of various types of immune cells and their use for therapeutic purpose. Although NK cells have many beneficial therapeutic features, genetic engineering of immune cells for targeted therapy focuses mostly on T cells. One of the major obstacles for NK cell immunotherapy is the lack of an efficient method for gene transfer. Lentiviral vectors have been proven to be a safe tool for genetic engineering, however lentiviral transduction is inefficient for NK cells. We show in this study that lentiviral vectors pseudotyped with a modified baboon envelope glycoprotein can transduce NK cells 20-fold or higher in comparison to VSV-G pseudotyped lentiviral vector. When we investigated the mechanism of transduction, we found that activated NK cells expressed baboon envelope receptor ASCT-2. Further analysis revealed that only a subset of NK cells could be expanded and transduced with an expression profile of NK56bright, CD16dim, TRAILhigh, and CX3CR1neg. Using CD19-CAR, we could show that CD19 redirected NK cells efficiently and specifically kill cell lines expressing CD19. Taken together, the results from this study will be important for future genetic modification and for redirecting of NK cell function for therapeutic purpose.
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Affiliation(s)
- Rafijul Bari
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | | | - Kam Sze Tsang
- Miltenyi Biotec Inc, Gaithersburg, MD, United States
| | - Andre Roy
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | - Winfried Krueger
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | - Rimas Orentas
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | - Dina Schneider
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | | | | | - Els Verhoeyen
- CIRI, Université de Lyon 1, INSERM U1111, CNRS UMR 5308, ENS de Lyon, Lyon, France
- Université Côte d'Azur, INSERM U1065, C3M, Nice, France
| | - Boro Dropulic
- Lentigen, a Miltenyi Biotec Company, Miltenyi Biotec Company, Gaithersburg, MD, United States
| | - Wing Leung
- Miltenyi Biotec Inc, Gaithersburg, MD, United States
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27
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Drakopoulou E, Georgomanoli M, Lederer CW, Kleanthous M, Costa C, Bernadin O, Cosset FL, Voskaridou E, Verhoeyen E, Papanikolaou E, Anagnou NP. A Novel BaEVRless-Pseudotyped γ-Globin Lentiviral Vector Drives High and Stable Fetal Hemoglobin Expression and Improves Thalassemic Erythropoiesis In Vitro. Hum Gene Ther 2019; 30:601-617. [PMID: 30324804 DOI: 10.1089/hum.2018.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
It has previously been demonstrated that the self-inactivating γ-globin lentiviral vector GGHI can significantly increase fetal hemoglobin (HbF) in erythroid cells from thalassemia patients and thus improve the disease phenotype in vitro. In the present study, the GGHI vector was improved further by incorporating novel enhancer elements and also pseudotyping it with the baboon endogenous virus envelope glycoprotein BaEVRless, which efficiently and specifically targets human CD34+ cells. We evaluated the hypothesis that the newly constructed vector designated as GGHI-mB-3D would increase hCD34+ cell tropism and thus transduction efficiency at low multiplicity of infection, leading to increased transgene expression. High and stable HbF expression was demonstrated in thalassemic cells for the resulting GGHI-mB-3D/BaEVRless vector, exhibiting increased transduction efficiency compared to the original GGHI-mB-3D/VSVG vector, with a concomitant 91% mean HbF increase at a mean vector copy number per cell of 0.86 and a mean transduction efficiency of 56.4%. Transduced populations also exhibited a trend toward late erythroid, orthochromatic differentiation and reduced apoptosis, a further indication of successful gene therapy treatment. Monitoring expression of ATG5, a key link between autophagy and apoptosis, it was established that this correction correlates with a reduction of enhanced autophagy activation, a typical feature of thalassemic polychromatophilic normoblasts. This work provides novel mechanistic insights into gene therapy-mediated correction of erythropoiesis and demonstrates the beneficial role of BaEVRless envelope glycoprotein compared to VSVG pseudotyping and of the novel GGHI-mB-3D/BaEVRless lentiviral vector for enhanced thalassemia gene therapy.
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Affiliation(s)
- Ekati Drakopoulou
- 1 Laboratory of Cell and Gene Therapy, Centre for Basic Research, Biomedical Research Foundation of the Academy of Athens (BRFAA), Athens, Greece.,2 Laboratory of Biology, University of Athens School of Medicine, Athens, Greece
| | - Maria Georgomanoli
- 1 Laboratory of Cell and Gene Therapy, Centre for Basic Research, Biomedical Research Foundation of the Academy of Athens (BRFAA), Athens, Greece.,2 Laboratory of Biology, University of Athens School of Medicine, Athens, Greece
| | - Carsten W Lederer
- 3 Department of Molecular Genetics Thalassemia, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus.,4 Cyprus School of Molecular Medicine, Nicosia, Cyprus
| | - Marina Kleanthous
- 3 Department of Molecular Genetics Thalassemia, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus.,4 Cyprus School of Molecular Medicine, Nicosia, Cyprus
| | - Caroline Costa
- 5 CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR 5308, Ecole Normale Supérieure de Lyon, Lyon, France
| | - Ornellie Bernadin
- 5 CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR 5308, Ecole Normale Supérieure de Lyon, Lyon, France
| | - François-Loïc Cosset
- 5 CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR 5308, Ecole Normale Supérieure de Lyon, Lyon, France
| | - Ersi Voskaridou
- 6 Thalassemia and Sickle Cell Disease Centre, Laikon General Hospital, Athens, Greece
| | - Els Verhoeyen
- 5 CIRI-International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR 5308, Ecole Normale Supérieure de Lyon, Lyon, France.,7 Inserm, U1065, Centre Méditerranéen de Médecine Moléculaire (C3M), Equipe Contrôle Métabolique des Morts Cellulaires, Nice, France
| | - Eleni Papanikolaou
- 1 Laboratory of Cell and Gene Therapy, Centre for Basic Research, Biomedical Research Foundation of the Academy of Athens (BRFAA), Athens, Greece.,2 Laboratory of Biology, University of Athens School of Medicine, Athens, Greece
| | - Nicholas P Anagnou
- 1 Laboratory of Cell and Gene Therapy, Centre for Basic Research, Biomedical Research Foundation of the Academy of Athens (BRFAA), Athens, Greece.,2 Laboratory of Biology, University of Athens School of Medicine, Athens, Greece
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28
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Borsotti C, Follenzi A. New technologies in gene therapy for inducing immune tolerance in hemophilia A. Expert Rev Clin Immunol 2018; 14:1013-1019. [PMID: 30345839 DOI: 10.1080/1744666x.2018.1539667] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Conventional hemophilia treatment is based on repeated infusion of the missing clotting factor. This therapy is lifelong, expensive and can result in the formation of neutralizing antibodies, thus causing failure of the treatment and requiring higher doses of the replacement drug. Areas covered: Gene and cell therapies offer the advantage of providing a definitive and long-lasting correction of the mutated gene, promoting its physiological expression and preventing neutralizing antibody development. This review focuses on the most recent approaches that have been shown to prevent and even eradicate immune response toward the replaced factor. Expert commentary: Despite the encouraging data demonstrated by ongoing clinical trials and pre-clinical studies, more extensive investigations are necessary to establish the long-term safety and efficacy of gene therapy treatments in maintaining immune tolerance.
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Affiliation(s)
- Chiara Borsotti
- a Department of Health Sciences , Università del Piemonte Orientale , Novara , Italy
| | - Antonia Follenzi
- a Department of Health Sciences , Università del Piemonte Orientale , Novara , Italy
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29
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Frank AM, Buchholz CJ. Surface-Engineered Lentiviral Vectors for Selective Gene Transfer into Subtypes of Lymphocytes. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2018; 12:19-31. [PMID: 30417026 PMCID: PMC6216101 DOI: 10.1016/j.omtm.2018.10.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Lymphocytes have always been among the prime targets in gene therapy, even more so since chimeric antigen receptor (CAR) T cells have reached the clinic. However, other gene therapeutic approaches hold great promise as well. The first part of this review provides an overview of current strategies in lymphocyte gene therapy. The second part highlights the importance of precise gene delivery into B and T cells as well as distinct subtypes of lymphocytes. This can be achieved with lentiviral vectors (LVs) pseudotyped with engineered glycoproteins recognizing lymphocyte surface markers as entry receptors. Different strategies for envelope glycoprotein engineering and selection of the targeting ligand are discussed. With a CD8-targeted LV that was recently used to achieve proof of principle for the in vivo reprogramming of CAR T cells, these vectors are becoming a key tool to genetically engineer lymphocytes directly in vivo.
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Affiliation(s)
- Annika M Frank
- Division of Medical Biotechnology, Paul-Ehrlich-Institut, 63225 Langen, Germany
| | - Christian J Buchholz
- Division of Medical Biotechnology, Paul-Ehrlich-Institut, 63225 Langen, Germany.,Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, 63225 Langen, Germany
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30
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Abstract
Transfer to and enduring expression of genes in B cells has proved a vexing challenge. We report here a novel method for the specific and durable targeting of B lymphocytes in living mice. The method involves generation of lentiviruses pseudotyped with an anti-CD19 antibody. CD19 targeting viruses injected in the spleen of living mice efficiently transduced B cells and plasma cells detected by flow cytometry analysis of GFP expression. Expression of the reporter gene could be detected in the intact animal by external imaging for more than a year and was enhanced by booster immunization. Our method thus enables the specific delivery, expression and localization by external imaging of exogenous genes to the B cells and plasma cells of living individuals.
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Evens H, Chuah MK, VandenDriessche T. Haemophilia gene therapy: From trailblazer to gamechanger. Haemophilia 2018; 24 Suppl 6:50-59. [DOI: 10.1111/hae.13494] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2018] [Indexed: 12/24/2022]
Affiliation(s)
- H. Evens
- Department of Gene Therapy & Regenerative Medicine Faculty of Medicine & Pharmacy Vrije Universiteit Brussel (VUB) Brussels Belgium
| | - M. K. Chuah
- Department of Gene Therapy & Regenerative Medicine Faculty of Medicine & Pharmacy Vrije Universiteit Brussel (VUB) Brussels Belgium
- Department of Cardiovascular Sciences Center for Molecular & Vascular Biology University of Leuven Leuven Belgium
| | - T. VandenDriessche
- Department of Gene Therapy & Regenerative Medicine Faculty of Medicine & Pharmacy Vrije Universiteit Brussel (VUB) Brussels Belgium
- Department of Cardiovascular Sciences Center for Molecular & Vascular Biology University of Leuven Leuven Belgium
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Van Nieuwenhove E, Garcia-Perez JE, Helsen C, Rodriguez PD, van Schouwenburg PA, Dooley J, Schlenner S, van der Burg M, Verhoeyen E, Gijsbers R, Frietze S, Schjerven H, Meyts I, Claessens F, Humblet-Baron S, Wouters C, Liston A. A kindred with mutant IKAROS and autoimmunity. J Allergy Clin Immunol 2018; 142:699-702.e12. [PMID: 29705243 DOI: 10.1016/j.jaci.2018.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 04/09/2018] [Accepted: 04/16/2018] [Indexed: 11/17/2022]
Affiliation(s)
- Erika Van Nieuwenhove
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium; University Hospitals Leuven, Leuven, Belgium
| | - Josselyn E Garcia-Perez
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Christine Helsen
- Department of Cellular and Molecular Medicine, KUL - University of Leuven, Leuven, Belgium
| | - Princess D Rodriguez
- Department of Medical Laboratory and Radiation Science, University of Vermont, Burlington, Vt
| | | | - James Dooley
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Susan Schlenner
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Mirjam van der Burg
- Department of Immunology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Els Verhoeyen
- CIRI - International Center for Infectiology Research, Team EVIR, Inserm, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, Univ Lyon, Lyon, France; Université Côte d'Azur, INSERM, C3M, Nice, France
| | - Rik Gijsbers
- the Laboratory for Viral Vector Technology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium; Leuven Viral Vector Core, Leuven, Belgium
| | - Seth Frietze
- Department of Medical Laboratory and Radiation Science, University of Vermont, Burlington, Vt
| | - Hilde Schjerven
- the Department of Laboratory Medicine, University of California, San Francisco, Calif
| | - Isabelle Meyts
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; University Hospitals Leuven, Leuven, Belgium
| | - Frank Claessens
- Department of Cellular and Molecular Medicine, KUL - University of Leuven, Leuven, Belgium
| | - Stephanie Humblet-Baron
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Carine Wouters
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; University Hospitals Leuven, Leuven, Belgium.
| | - Adrian Liston
- Department of Microbiology and Immunology, KUL - University of Leuven, Leuven, Belgium; VIB Center for Brain and Disease Research, Leuven, Belgium.
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VandenDriessche T, Chuah MK. Hyperactive Factor IX Padua: A Game-Changer for Hemophilia Gene Therapy. Mol Ther 2017; 26:14-16. [PMID: 29274719 DOI: 10.1016/j.ymthe.2017.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Thierry VandenDriessche
- Department of Gene Therapy & Regenerative Medicine, Free University of Brussels (VUB), Faculty of Medicine & Pharmacy, Brussels, Belgium; Center for Molecular & Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium.
| | - Marinee K Chuah
- Department of Gene Therapy & Regenerative Medicine, Free University of Brussels (VUB), Faculty of Medicine & Pharmacy, Brussels, Belgium; Center for Molecular & Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium.
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Joglekar AV, Sandoval S. Pseudotyped Lentiviral Vectors: One Vector, Many Guises. Hum Gene Ther Methods 2017; 28:291-301. [DOI: 10.1089/hgtb.2017.084] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- Alok V. Joglekar
- Department of Biology and Biological Engineering, California Institute of Technology, Pasadena, California
| | - Salemiz Sandoval
- Department of Biology and Biological Engineering, California Institute of Technology, Pasadena, California
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Hung KL, Meitlis I, Hale M, Chen CY, Singh S, Jackson SW, Miao CH, Khan IF, Rawlings DJ, James RG. Engineering Protein-Secreting Plasma Cells by Homology-Directed Repair in Primary Human B Cells. Mol Ther 2017; 26:456-467. [PMID: 29273498 PMCID: PMC5835153 DOI: 10.1016/j.ymthe.2017.11.012] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/09/2017] [Accepted: 11/11/2017] [Indexed: 12/15/2022] Open
Abstract
The ability to engineer primary human B cells to differentiate into long-lived plasma cells and secrete a de novo protein may allow the creation of novel plasma cell therapies for protein deficiency diseases and other clinical applications. We initially developed methods for efficient genome editing of primary B cells isolated from peripheral blood. By delivering CRISPR/CRISPR-associated protein 9 (Cas9) ribonucleoprotein (RNP) complexes under conditions of rapid B cell expansion, we achieved site-specific gene disruption at multiple loci in primary human B cells (with editing rates of up to 94%). We used this method to alter ex vivo plasma cell differentiation by disrupting developmental regulatory genes. Next, we co-delivered RNPs with either a single-stranded DNA oligonucleotide or adeno-associated viruses containing homologous repair templates. Using either delivery method, we achieved targeted sequence integration at high efficiency (up to 40%) via homology-directed repair. This method enabled us to engineer plasma cells to secrete factor IX (FIX) or B cell activating factor (BAFF) at high levels. Finally, we show that introduction of BAFF into plasma cells promotes their engraftment into immunodeficient mice. Our results highlight the utility of genome editing in studying human B cell biology and demonstrate a novel strategy for modifying human plasma cells to secrete therapeutic proteins.
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Affiliation(s)
- King L Hung
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Iana Meitlis
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Malika Hale
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Chun-Yu Chen
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Swati Singh
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Shaun W Jackson
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Carol H Miao
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Iram F Khan
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA
| | - David J Rawlings
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA; Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA.
| | - Richard G James
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington, USA; Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA.
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VandenDriessche T, Chuah MK. Hemophilia Gene Therapy: Ready for Prime Time? Hum Gene Ther 2017; 28:1013-1023. [DOI: 10.1089/hum.2017.116] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Thierry VandenDriessche
- Department of Gene Therapy & Regenerative Medicine, Free University of Brussels (VUB), Brussels, Belgium
- Center for Molecular & Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Marinee K. Chuah
- Department of Gene Therapy & Regenerative Medicine, Free University of Brussels (VUB), Brussels, Belgium
- Center for Molecular & Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
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Wang X, Herzog RW, Byrne BJ, Kumar SRP, Zhou Q, Buchholz CJ, Biswas M. Immune Modulatory Cell Therapy for Hemophilia B Based on CD20-Targeted Lentiviral Gene Transfer to Primary B Cells. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2017; 5:76-82. [PMID: 28480307 PMCID: PMC5415320 DOI: 10.1016/j.omtm.2017.03.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 03/22/2017] [Indexed: 01/06/2023]
Abstract
Gene-modified B cells expressing immunoglobulin G (IgG) fusion proteins have been shown to induce tolerance in several autoimmune and other disease models. However, lack of a vector suitable for gene transfer to human B cells has been an obstacle for translation of this approach. To overcome this hurdle, we developed an IgG-human factor IX (hFIX) lentiviral fusion construct that was targeted to specifically transduce cells expressing human CD20 (hCD20). Receptor-specific retargeting by mutating envelope glycoproteins of measles virus (MV)-lentiviral vector (LV) and addition of a single-chain variable fragment specific for hCD20 resulted in gene delivery into primary human and transgenic hCD20 mouse B cells with high specificity. Notably, this protocol neither required nor induced activation of the B cells, as confirmed by minimal activation of inflammatory cytokines. Using this strategy, we were able to demonstrate induction of humoral tolerance, resulting in suppression of antibody formation against hFIX in a mouse model of hemophilia B (HB). In conclusion, transduction of receptor-specific retargeted LV into resting B cells is a promising method to develop B cell therapies for antigen-specific tolerance induction in human disease.
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Affiliation(s)
- Xiaomei Wang
- Division of Cellular and Molecular Therapy, Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
| | - Roland W Herzog
- Division of Cellular and Molecular Therapy, Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
| | - Barry J Byrne
- Powell Gene Therapy Center, Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
| | - Sandeep R P Kumar
- Division of Cellular and Molecular Therapy, Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
| | - Qi Zhou
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, 63225 Langen, Germany
| | - Christian J Buchholz
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, 63225 Langen, Germany
| | - Moanaro Biswas
- Division of Cellular and Molecular Therapy, Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
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