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Kachanov A, Kostyusheva A, Brezgin S, Karandashov I, Ponomareva N, Tikhonov A, Lukashev A, Pokrovsky V, Zamyatnin AA, Parodi A, Chulanov V, Kostyushev D. The menace of severe adverse events and deaths associated with viral gene therapy and its potential solution. Med Res Rev 2024; 44:2112-2193. [PMID: 38549260 DOI: 10.1002/med.22036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 08/09/2024]
Abstract
Over the past decade, in vivo gene replacement therapy has significantly advanced, resulting in market approval of numerous therapeutics predominantly relying on adeno-associated viral vectors (AAV). While viral vectors have undeniably addressed several critical healthcare challenges, their clinical application has unveiled a range of limitations and safety concerns. This review highlights the emerging challenges in the field of gene therapy. At first, we discuss both the role of biological barriers in viral gene therapy with a focus on AAVs, and review current landscape of in vivo human gene therapy. We delineate advantages and disadvantages of AAVs as gene delivery vehicles, mostly from the safety perspective (hepatotoxicity, cardiotoxicity, neurotoxicity, inflammatory responses etc.), and outline the mechanisms of adverse events in response to AAV. Contribution of every aspect of AAV vectors (genomic structure, capsid proteins) and host responses to injected AAV is considered and substantiated by basic, translational and clinical studies. The updated evaluation of recent AAV clinical trials and current medical experience clearly shows the risks of AAVs that sometimes overshadow the hopes for curing a hereditary disease. At last, a set of established and new molecular and nanotechnology tools and approaches are provided as potential solutions for mitigating or eliminating side effects. The increasing number of severe adverse reactions and, sadly deaths, demands decisive actions to resolve the issue of immune responses and extremely high doses of viral vectors used for gene therapy. In response to these challenges, various strategies are under development, including approaches aimed at augmenting characteristics of viral vectors and others focused on creating secure and efficacious non-viral vectors. This comprehensive review offers an overarching perspective on the present state of gene therapy utilizing both viral and non-viral vectors.
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Affiliation(s)
- Artyom Kachanov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Anastasiya Kostyusheva
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Sergey Brezgin
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Ivan Karandashov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Natalia Ponomareva
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Andrey Tikhonov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Alexander Lukashev
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Vadim Pokrovsky
- Laboratory of Biochemical Fundamentals of Pharmacology and Cancer Models, Blokhin Cancer Research Center, Moscow, Russia
- Department of Biochemistry, People's Friendship University, Russia (RUDN University), Moscow, Russia
| | - Andrey A Zamyatnin
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russia
- Belozersky Research, Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Alessandro Parodi
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Vladimir Chulanov
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Infectious Diseases, Sechenov University, Moscow, Russia
| | - Dmitry Kostyushev
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russia
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Ahn S, Siontas O, Koester J, Krol J, Fauser S, Müller DJ. Magnetically Guided Adeno-Associated Virus Delivery for the Spatially Targeted Transduction of Retina in Eyes. Adv Healthc Mater 2024:e2401577. [PMID: 38848510 DOI: 10.1002/adhm.202401577] [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: 04/29/2024] [Indexed: 06/09/2024]
Abstract
Adeno-associated viruses (AAVs) are intensively explored for gene therapies in general and have found promising applications for treating retina diseases. However, controlling the specificity (tropism) and delivery of AAVs to selected layers, cell types, and areas of the retina is a major challenge to further develop retinal gene therapies. Magnetic nanoparticles (MNPs) provide effective delivery platforms to magnetically guide therapeutics to target cells. Yet, how MNPs can deliver AAVs to transfect particular retina layers and cells remains elusive. Here, it is demonstrated that MNPs can be used to transport different AAVs through the retina and to modulate the selective transduction of specific retinal layers or photoreceptor cells in ex vivo porcine explants and whole eyes. Thereby, transduction is triggered by bringing the viruses in close proximity to the target cell layer and by controlling their interaction time. It is shown that this magnetically guided approach to transport AAVs to selected areas and layers of the retina does not require the cell-specific optimization of the AAV tropism. It is anticipated that the new approach to control the delivery of AAVs and to selectively transduce cellular systems can be applied to many other tissues or organs to selectively deliver genes of interest.
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Affiliation(s)
- Seungkuk Ahn
- Eidgenössische Technische Hochschule (ETH) Zürich, Department of Biosystems Science and Engineering, Basel, 4056, Switzerland
| | - Oliver Siontas
- Eidgenössische Technische Hochschule (ETH) Zürich, Department of Biosystems Science and Engineering, Basel, 4056, Switzerland
| | - Janis Koester
- F. Hoffmann-La Roche Ltd, Roche Pharma Research and Early Development, Department of Ophthalmology, Basel, 4070, Switzerland
| | - Jacek Krol
- F. Hoffmann-La Roche Ltd, Roche Pharma Research and Early Development, Department of Ophthalmology, Basel, 4070, Switzerland
| | - Sascha Fauser
- F. Hoffmann-La Roche Ltd, Roche Pharma Research and Early Development, Department of Ophthalmology, Basel, 4070, Switzerland
| | - Daniel J Müller
- Eidgenössische Technische Hochschule (ETH) Zürich, Department of Biosystems Science and Engineering, Basel, 4056, Switzerland
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Magnetically Single-Cell Virus Stamping. Methods Mol Biol 2021. [PMID: 34228300 DOI: 10.1007/978-1-0716-1441-9_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Single-cell engineering via virus based genetic manipulation allows the possibility of understanding of complex tissues. However, current delivery methods for the genetic engineering of single cells via viral transduction suffer from limitations that restrict their application. Here I present a protocol describing a precise technique which can be used for the targeted virus infection of single cells in a monolayer of cells that is optically accessible. The protocol, demonstrated here by stamping cultured Hela cells with lentiviruses (LVs), completes in a few minutes and allows stable transgene expression within a few days, at success rates approaching 80%.
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Xu Y, Zheng H, Schumacher D, Liehn EA, Slabu I, Rusu M. Recent Advancements of Specific Functionalized Surfaces of Magnetic Nano- and Microparticles as a Theranostics Source in Biomedicine. ACS Biomater Sci Eng 2021; 7:1914-1932. [PMID: 33856199 DOI: 10.1021/acsbiomaterials.0c01393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Magnetic nano- and microparticles (MNMPs) belong to a highly versatile class of colloids with actuator and sensor properties that have been broadly studied for their application in theranostics such as molecular imaging and drug delivery. The use of advanced biocompatible, biodegradable polymers and polyelectrolytes as MNMP coating materials is essential to ensure the stability of MNMPs and enable efficient drug release while at the same time preventing cytotoxic effects. In the past years, huge progress has been made in terms of the design of MNMPs. Especially, the understanding of coating formation with respect to control of drug loading and release kinetics on the molecular level has significantly advanced. In this review, recent advancements in the field of MNMP surface engineering and the applicability of MNMPs in research fields of medical imaging, diagnosis, and nanotherapeutics are presented and discussed. Furthermore, in this review the main emphasis is put on the manipulation of biological specimens and cell trafficking, for which MNMPs represent a favorable tool enabling transport processes of drugs through cell membranes. Finally, challenges and future perspectives for applications of MNMPs as theranostic nanomaterials are discussed.
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Affiliation(s)
- Yichen Xu
- Department of Intensive Care Medicine, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
| | - Huabo Zheng
- Department of Cardiology, Pulmonology, Angiology, and Intensive Care, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
| | - David Schumacher
- Department of Anesthesiology, University Hospital, RWTH Aachen, 52074 Aachen, Germany
| | - Elisa Anamaria Liehn
- Department of Intensive Care Medicine, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany.,Department of Cardiology, Pulmonology, Angiology, and Intensive Care, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany.,Department of Pathology, Institute of Pathology "Victor Babes", Splaiul Independentei nr. 99-101, Sector 5, 050096 Bucharest, Romania
| | - Ioana Slabu
- Institute of Applied Medical Engineering, Helmholtz Institute, Medical Faculty, RWTH Aachen, Pauwelstr. 20, 52074 Aachen, Germany
| | - Mihaela Rusu
- Department of Pathology, Institute of Pathology "Victor Babes", Splaiul Independentei nr. 99-101, Sector 5, 050096 Bucharest, Romania.,Institute for Molecular Cardiovascular Research (IMCAR), University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
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Mukherjee A, Bajwa N, Lam NH, Porrero C, Clasca F, Halassa MM. Variation of connectivity across exemplar sensory and associative thalamocortical loops in the mouse. eLife 2020; 9:e62554. [PMID: 33103997 PMCID: PMC7644223 DOI: 10.7554/elife.62554] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/23/2020] [Indexed: 12/22/2022] Open
Abstract
The thalamus engages in sensation, action, and cognition, but the structure underlying these functions is poorly understood. Thalamic innervation of associative cortex targets several interneuron types, modulating dynamics and influencing plasticity. Is this structure-function relationship distinct from that of sensory thalamocortical systems? Here, we systematically compared function and structure across a sensory and an associative thalamocortical loop in the mouse. Enhancing excitability of mediodorsal thalamus, an associative structure, resulted in prefrontal activity dominated by inhibition. Equivalent enhancement of medial geniculate excitability robustly drove auditory cortical excitation. Structurally, geniculate axons innervated excitatory cortical targets in a preferential manner and with larger synaptic terminals, providing a putative explanation for functional divergence. The two thalamic circuits also had distinct input patterns, with mediodorsal thalamus receiving innervation from a diverse set of cortical areas. Altogether, our findings contribute to the emerging view of functional diversity across thalamic microcircuits and its structural basis.
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Affiliation(s)
- Arghya Mukherjee
- McGovern Institute for Brain ResearchCambridgeUnited States
- Department of Brain and Cognitive Sciences, Massachusetts Institute of TechnologyCambridgeUnited States
| | - Navdeep Bajwa
- McGovern Institute for Brain ResearchCambridgeUnited States
- Department of Brain and Cognitive Sciences, Massachusetts Institute of TechnologyCambridgeUnited States
| | - Norman H Lam
- McGovern Institute for Brain ResearchCambridgeUnited States
- Department of Brain and Cognitive Sciences, Massachusetts Institute of TechnologyCambridgeUnited States
| | - César Porrero
- Department of Anatomy and Neuroscience, School of Medicine, Autónoma de Madrid UniversityMadridSpain
| | - Francisco Clasca
- Department of Anatomy and Neuroscience, School of Medicine, Autónoma de Madrid UniversityMadridSpain
| | - Michael M Halassa
- McGovern Institute for Brain ResearchCambridgeUnited States
- Department of Brain and Cognitive Sciences, Massachusetts Institute of TechnologyCambridgeUnited States
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Abstract
Therapeutic viral gene delivery is an emerging technology which aims to correct genetic mutations by introducing new genetic information to cells either to correct a faulty gene or to initiate cell death in oncolytic treatments. In recent years, significant scientific progress has led to several clinical trials resulting in the approval of gene therapies for human treatment. However, successful therapies remain limited due to a number of challenges such as inefficient cell uptake, low transduction efficiency (TE), limited tropism, liver toxicity and immune response. To adress these issues and increase the number of available therapies, additives from a broad range of materials like polymers, peptides, lipids, nanoparticles, and small molecules have been applied so far. The scope of this review is to highlight these selected delivery systems from a materials perspective.
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Affiliation(s)
- Kübra Kaygisiz
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
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Munsamy T, Bouwer G. Determination of the virulence of single nucleopolyhedrovirus occlusion bodies using a novel laser capture microdissection method. J Gen Virol 2020; 101:1300-1304. [PMID: 32894214 DOI: 10.1099/jgv.0.001490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Determination of the virulence of occlusion bodies (OBs), which are the horizontal transmission structures of nucleopolyhedroviruses (NPVs), is an important area of baculovirology. A method for inoculating an insect with an isolated OB was developed using Helicoverpa armigera nucleopolyhedrovirus (HearNPV) infection of second instar Helicoverpa armigera larvae as a model NPV-host pathosystem. In this novel method, laser capture microdissection (LCM) was used to directly catapult single OBs onto the surface of insect diet in bioassay containers. Since exposure via the natural oral horizontal transmission route of each larva to a single OB was established and not subject to chance variation, the method facilitated determination of the insect mortality rate (4.8%) associated with exposure to single HearNPV OBs. Droplet feeding bioassays confirmed that the novel method did not reduce OB virulence. The LCM method sets a foundation for virulence and genetic diversity studies based on single NPV OBs.
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Affiliation(s)
- Thrishantha Munsamy
- School of Molecular and Cell Biology, University of the Witwatersrand, Johannesburg, Private Bag 3, Wits 2050, South Africa
| | - Gustav Bouwer
- School of Molecular and Cell Biology, University of the Witwatersrand, Johannesburg, Private Bag 3, Wits 2050, South Africa
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