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Tolksdorf B, Heinze J, Niemeyer D, Röhrs V, Berg J, Drosten C, Kurreck J. Development of a highly stable, active small interfering RNA with broad activity against SARS-CoV viruses. Antiviral Res 2024; 226:105879. [PMID: 38599550 DOI: 10.1016/j.antiviral.2024.105879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/22/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024]
Abstract
Treatment options for COVID-19 remain limited. Here, we report the optimization of an siRNA targeting the highly conserved leader region of SARS-CoV-2. The siRNA was rendered nuclease resistant by the introduction of modified nucleotides without loss of activity. Importantly, the siRNA also retained its inhibitory activity against the emerged omicron sublineage variant BA.2, which occurred after the siRNA was designed and is resistant to other antiviral agents such as antibodies. In addition, we show that a second highly active siRNA designed against the viral 5'-UTR can be applied as a rescue molecule, to minimize the spread of escape mutations. We therefore consider our siRNA-based molecules to be promising broadly active candidates for the treatment of current and future SARS-CoV-2 variants.
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Affiliation(s)
- Beatrice Tolksdorf
- Chair of Applied Biochemistry, Institute of Biotechnology, Technische Universität Berlin, Berlin, 10623, Germany
| | - Julian Heinze
- German Center for Infection Research (DZIF), Charitéplatz 1, 10117, Berlin, Germany; Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Germany
| | - Daniela Niemeyer
- German Center for Infection Research (DZIF), Charitéplatz 1, 10117, Berlin, Germany; Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Germany
| | - Viola Röhrs
- Chair of Applied Biochemistry, Institute of Biotechnology, Technische Universität Berlin, Berlin, 10623, Germany
| | - Johanna Berg
- Chair of Applied Biochemistry, Institute of Biotechnology, Technische Universität Berlin, Berlin, 10623, Germany
| | - Christian Drosten
- German Center for Infection Research (DZIF), Charitéplatz 1, 10117, Berlin, Germany; Institute of Virology, Charité-Universitätsmedizin Berlin, 10117, Germany
| | - Jens Kurreck
- Chair of Applied Biochemistry, Institute of Biotechnology, Technische Universität Berlin, Berlin, 10623, Germany.
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2
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Dauksaite V, Tas A, Wachowius F, Spruit A, van Hemert MJ, Snijder EJ, van der Veer EP, van Zonneveld AJ. Highly Potent Antisense Oligonucleotides Locked Nucleic Acid Gapmers Targeting the SARS-CoV-2 RNA Genome. Nucleic Acid Ther 2023; 33:381-385. [PMID: 37782140 DOI: 10.1089/nat.2023.0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has caused the current worldwide pandemic and the associated coronavirus disease 2019 with potentially lethal outcome. Although effective vaccines strongly contributed to reduce disease severity, establishing a toolbox to control current and newly emerging coronaviruses of epidemic concern requires the development of novel therapeutic compounds, to treat severely infected individuals and to prevent virus transmission. Here we present a therapeutic strategy targeting the SARS-CoV-2 RNA genome using antisense oligonucleotides (ASOs). We demonstrate that selected locked nucleic acid gapmers have the potency to reduce the in vitro intracellular viral load by up to 96%. Our promising results strongly support the case for further development of our preselected ASOs as therapeutic or prophylactic antiviral agents.
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Affiliation(s)
- Vita Dauksaite
- Einthoven Laboratory for Vascular and Regenerative Medicine, Department of Internal Medicine (Nephrology), Leiden University Medical Centre, Leiden, The Netherlands
| | - Ali Tas
- Department of Medical Microbiology, Leiden University Medical Centre, Leiden, The Netherlands
| | | | - Anouk Spruit
- Einthoven Laboratory for Vascular and Regenerative Medicine, Department of Internal Medicine (Nephrology), Leiden University Medical Centre, Leiden, The Netherlands
| | - Martijn J van Hemert
- Department of Medical Microbiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Eric J Snijder
- Department of Medical Microbiology, Leiden University Medical Centre, Leiden, The Netherlands
| | | | - Anton Jan van Zonneveld
- Einthoven Laboratory for Vascular and Regenerative Medicine, Department of Internal Medicine (Nephrology), Leiden University Medical Centre, Leiden, The Netherlands
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3
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Wei ZYD, Liang K, Shetty AK. Complications of COVID-19 on the Central Nervous System: Mechanisms and Potential Treatment for Easing Long COVID. Aging Dis 2023; 14:1492-1510. [PMID: 37163427 PMCID: PMC10529748 DOI: 10.14336/ad.2023.0312] [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: 01/20/2023] [Accepted: 03/12/2023] [Indexed: 05/12/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) invades human cells by binding to the angiotensin-converting-enzyme-2 (ACE-2) using a spike protein and leads to Coronavirus disease-2019 (COVID-19). COVID-19 primarily causes a respiratory infection that can lead to severe systemic inflammation. It is also common for some patients to develop significant neurological and psychiatric symptoms. The spread of SARS-CoV-2 to the CNS likely occurs through several pathways. Once spread in the CNS, many acute symptoms emerge, and such infections could also transpire into severe neurological complications, including encephalitis or ischemic stroke. After recovery from the acute infection, a significant percentage of patients develop "long COVID," a condition in which several symptoms of COVID-19 persist for prolonged periods. This review aims to discuss acute and chronic neurological problems after SARS-CoV-2 infection. The potential mechanisms by which SARS-CoV-2 enters the CNS and causes neuroinflammation, neuropathological changes observed in post-mortem brains of COVID-19 patients, and cognitive and mood problems in COVID-19 survivors are discussed in the initial part. The later part of the review deliberates the causes of long COVID, approaches for noninvasive tracking of neuroinflammation in long COVID patients, and the potential therapeutic strategies that could ease enduring CNS symptoms observed in long COVID.
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Affiliation(s)
- Zhuang-Yao D Wei
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University Health Science Center School of Medicine, College Station, TX, USA
| | - Ketty Liang
- Sam Houston State University College of Osteopathic Medicine, Conroe, TX, USA
| | - Ashok K Shetty
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University Health Science Center School of Medicine, College Station, TX, USA
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4
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Afewerki S, Stocco TD, Rosa da Silva AD, Aguiar Furtado AS, Fernandes de Sousa G, Ruiz-Esparza GU, Webster TJ, Marciano FR, Strømme M, Zhang YS, Lobo AO. In vitro high-content tissue models to address precision medicine challenges. Mol Aspects Med 2023; 91:101108. [PMID: 35987701 PMCID: PMC9384546 DOI: 10.1016/j.mam.2022.101108] [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: 04/08/2022] [Revised: 06/29/2022] [Accepted: 07/20/2022] [Indexed: 01/18/2023]
Abstract
The field of precision medicine allows for tailor-made treatments specific to a patient and thereby improve the efficiency and accuracy of disease prevention, diagnosis, and treatment and at the same time would reduce the cost, redundant treatment, and side effects of current treatments. Here, the combination of organ-on-a-chip and bioprinting into engineering high-content in vitro tissue models is envisioned to address some precision medicine challenges. This strategy could be employed to tackle the current coronavirus disease 2019 (COVID-19), which has made a significant impact and paradigm shift in our society. Nevertheless, despite that vaccines against COVID-19 have been successfully developed and vaccination programs are already being deployed worldwide, it will likely require some time before it is available to everyone. Furthermore, there are still some uncertainties and lack of a full understanding of the virus as demonstrated in the high number new mutations arising worldwide and reinfections of already vaccinated individuals. To this end, efficient diagnostic tools and treatments are still urgently needed. In this context, the convergence of bioprinting and organ-on-a-chip technologies, either used alone or in combination, could possibly function as a prominent tool in addressing the current pandemic. This could enable facile advances of important tools, diagnostics, and better physiologically representative in vitro models specific to individuals allowing for faster and more accurate screening of therapeutics evaluating their efficacy and toxicity. This review will cover such technological advances and highlight what is needed for the field to mature for tackling the various needs for current and future pandemics as well as their relevancy towards precision medicine.
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Affiliation(s)
- Samson Afewerki
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, BOX 35, 751 03, Uppsala, Sweden
| | - Thiago Domingues Stocco
- Bioengineering Program, Technological and Scientific Institute, Brazil University, 08230-030, São Paulo, SP, Brazil,Faculty of Medical Sciences, Unicamp - State University of Campinas, 13083-877, Campinas, SP, Brazil
| | | | - André Sales Aguiar Furtado
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil
| | - Gustavo Fernandes de Sousa
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil
| | - Guillermo U. Ruiz-Esparza
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA,Division of Health Sciences and Technology, Harvard University ‑ Massachusetts Institute of Technology, Boston, MA, 02115, USA
| | - Thomas J. Webster
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil,Hebei University of Technology, Tianjin, China
| | | | - Maria Strømme
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, BOX 35, 751 03, Uppsala, Sweden
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA; Division of Health Sciences and Technology, Harvard University ‑ Massachusetts Institute of Technology, Boston, MA, 02115, USA.
| | - Anderson Oliveira Lobo
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil.
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Hariharan VN, Shin M, Chang CW, O’Reilly D, Biscans A, Yamada K, Guo Z, Somasundaran M, Tang Q, Monopoli K, Krishnamurthy PM, Devi G, McHugh N, Cooper DA, Echeverria D, Cruz J, Chan IL, Liu P, Lim SY, McConnell J, Singh SP, Hildebrand S, Sousa J, Davis SM, Kennedy Z, Ferguson C, Godinho BMDC, Thillier Y, Caiazzi J, Ly S, Muhuri M, Kelly K, Humphries F, Cousineau A, Parsi KM, Li Q, Wang Y, Maehr R, Gao G, Korkin D, McDougall WM, Finberg RW, Fitzgerald KA, Wang JP, Watts JK, Khvorova A. Divalent siRNAs are bioavailable in the lung and efficiently block SARS-CoV-2 infection. Proc Natl Acad Sci U S A 2023; 120:e2219523120. [PMID: 36893269 PMCID: PMC10089225 DOI: 10.1073/pnas.2219523120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 02/05/2023] [Indexed: 03/11/2023] Open
Abstract
The continuous evolution of SARS-CoV-2 variants complicates efforts to combat the ongoing pandemic, underscoring the need for a dynamic platform for the rapid development of pan-viral variant therapeutics. Oligonucleotide therapeutics are enhancing the treatment of numerous diseases with unprecedented potency, duration of effect, and safety. Through the systematic screening of hundreds of oligonucleotide sequences, we identified fully chemically stabilized siRNAs and ASOs that target regions of the SARS-CoV-2 genome conserved in all variants of concern, including delta and omicron. We successively evaluated candidates in cellular reporter assays, followed by viral inhibition in cell culture, with eventual testing of leads for in vivo antiviral activity in the lung. Previous attempts to deliver therapeutic oligonucleotides to the lung have met with only modest success. Here, we report the development of a platform for identifying and generating potent, chemically modified multimeric siRNAs bioavailable in the lung after local intranasal and intratracheal delivery. The optimized divalent siRNAs showed robust antiviral activity in human cells and mouse models of SARS-CoV-2 infection and represent a new paradigm for antiviral therapeutic development for current and future pandemics.
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Affiliation(s)
- Vignesh N. Hariharan
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Minwook Shin
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Ching-Wen Chang
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Daniel O’Reilly
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Annabelle Biscans
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Ken Yamada
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Zhiru Guo
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Mohan Somasundaran
- Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Qi Tang
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Kathryn Monopoli
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | | | - Gitali Devi
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Nicholas McHugh
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - David A. Cooper
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Dimas Echeverria
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - John Cruz
- Department of Pathology, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Io Long Chan
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Ping Liu
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Sun-Young Lim
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Jill McConnell
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Satya Prakash Singh
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Samuel Hildebrand
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Jacquelyn Sousa
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Sarah M. Davis
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Zachary Kennedy
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Chantal Ferguson
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Bruno M. D. C. Godinho
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Yann Thillier
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Jillian Caiazzi
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Socheata Ly
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Manish Muhuri
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, MA01655
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Karen Kelly
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Fiachra Humphries
- Program in Innate Immunity, Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Alyssa Cousineau
- Diabetes Center of Excellence and Program in Molecular Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Krishna Mohan Parsi
- Diabetes Center of Excellence and Program in Molecular Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Qi Li
- MassBiologics, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Yang Wang
- MassBiologics, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - René Maehr
- Diabetes Center of Excellence and Program in Molecular Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Guangping Gao
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, MA01655
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, MA01655
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Dmitry Korkin
- Department of Computer Science, and Bioinformatics and Computational Biology Program, Worcester Polytechnic Institute, Worcester, MA01609
| | - William M. McDougall
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Robert W. Finberg
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Katherine A. Fitzgerald
- Program in Innate Immunity, Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Jennifer P. Wang
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Jonathan K. Watts
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01655
| | - Anastasia Khvorova
- RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA01655
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Intranasal application of adeno-associated viruses: a systematic review. Transl Res 2022; 248:87-110. [PMID: 35597541 DOI: 10.1016/j.trsl.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/12/2022] [Accepted: 05/16/2022] [Indexed: 01/13/2023]
Abstract
Adeno-associated viruses (AAVs) represent some of the most commonly employed vectors for targeted gene delivery and their extensive study has resulted in the approval of multiple gene therapies to treat human diseases. The intranasal route of vector application in gene therapy offers several advantages over traditional ways of administration. In addition to targeting local tissue like the olfactory epithelium, it provides minimally invasive access to various organ systems, including the central nervous system and the respiratory tract. Through a systematic literature review, a total of 53 articles that investigated the intranasal application of AAVs were identified, included, and summarized in this manuscript. Within these studies, AAV-based gene therapy was mainly investigated for its application in various infectious, pulmonary, or neurologic and/or psychiatric diseases. This review gives a comprehensive overview of the current technological state of the art regarding the intranasal application of AAVs for gene transfer and discusses remaining hurdles, which still have to be resolved before this approach can effectively be implemented in the routine clinical setting.
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Ramamurthy RM, Atala A, Porada CD, Almeida-Porada G. Organoids and microphysiological systems: Promising models for accelerating AAV gene therapy studies. Front Immunol 2022; 13:1011143. [PMID: 36225917 PMCID: PMC9549755 DOI: 10.3389/fimmu.2022.1011143] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 09/01/2022] [Indexed: 11/24/2022] Open
Abstract
The FDA has predicted that at least 10-20 gene therapy products will be approved by 2025. The surge in the development of such therapies can be attributed to the advent of safe and effective gene delivery vectors such as adeno-associated virus (AAV). The enormous potential of AAV has been demonstrated by its use in over 100 clinical trials and the FDA’s approval of two AAV-based gene therapy products. Despite its demonstrated success in some clinical settings, AAV-based gene therapy is still plagued by issues related to host immunity, and recent studies have suggested that AAV vectors may actually integrate into the host cell genome, raising concerns over the potential for genotoxicity. To better understand these issues and develop means to overcome them, preclinical model systems that accurately recapitulate human physiology are needed. The objective of this review is to provide a brief overview of AAV gene therapy and its current hurdles, to discuss how 3D organoids, microphysiological systems, and body-on-a-chip platforms could serve as powerful models that could be adopted in the preclinical stage, and to provide some examples of the successful application of these models to answer critical questions regarding AAV biology and toxicity that could not have been answered using current animal models. Finally, technical considerations while adopting these models to study AAV gene therapy are also discussed.
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Merkel OM. Can pulmonary RNA delivery improve our pandemic preparedness? J Control Release 2022; 345:549-556. [PMID: 35358609 PMCID: PMC8958776 DOI: 10.1016/j.jconrel.2022.03.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 03/20/2022] [Indexed: 12/17/2022]
Abstract
The coronavirus pandemic has changed our perception of RNA medicines, and RNA vaccines have revolutionized our pandemic preparedness. But are we indeed prepared for the next variant or the next emerging virus? How can we prepare? And what does the role of inhaled antiviral RNA play in this regard? When the pandemic started, I rerouted much of the ongoing inhaled RNA delivery research in my group towards the inhibition and treatment of respiratory viral infections. Two years later, I have taken the literature, past and ongoing clinical trials into consideration and have gained new insights based on our collaborative research which I will discuss in this oration.
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