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Bisht D, Salave S, Desai N, Gogoi P, Rana D, Biswal P, Sarma G, Benival D, Kommineni N, Desai D. Genome editing and its role in vaccine, diagnosis, and therapeutic advancement. Int J Biol Macromol 2024; 269:131802. [PMID: 38670178 DOI: 10.1016/j.ijbiomac.2024.131802] [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: 11/05/2023] [Revised: 02/25/2024] [Accepted: 03/15/2024] [Indexed: 04/28/2024]
Abstract
Genome editing involves precise modification of specific nucleotides in the genome using nucleases like CRISPR/Cas, ZFN, or TALEN, leading to increased efficiency of homologous recombination (HR) for gene editing, and it can result in gene disruption events via non-homologous end joining (NHEJ) or homology-driven repair (HDR). Genome editing, particularly CRISPR-Cas9, revolutionizes vaccine development by enabling precise modifications of pathogen genomes, leading to enhanced vaccine efficacy and safety. It allows for tailored antigen optimization, improved vector design, and deeper insights into host genes' impact on vaccine responses, ultimately enhancing vaccine development and manufacturing processes. This review highlights different types of genome editing methods, their associated risks, approaches to overcome the shortcomings, and the diverse roles of genome editing.
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Affiliation(s)
- Deepanker Bisht
- ICAR- Indian Veterinary Research Institute, Izatnagar 243122, Bareilly, India
| | - Sagar Salave
- National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad 382355, Gujarat, India
| | - Nimeet Desai
- Indian Institute of Technology Hyderabad, Kandi 502285, Telangana, India
| | - Purnima Gogoi
- School of Medicine and Public Health, University of Wisconsin and Madison, Madison, WI 53726, USA
| | - Dhwani Rana
- National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad 382355, Gujarat, India
| | - Prachurya Biswal
- College of Veterinary and Animal Sciences, Bihar Animal Sciences University, Kishanganj 855115, Bihar, India
| | - Gautami Sarma
- College of Veterinary & Animal Sciences, G. B. Pant University of Agriculture and Technology, Pantnagar 263145, U.S. Nagar, Uttarakhand, India
| | - Derajram Benival
- National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad 382355, Gujarat, India.
| | | | - Dhruv Desai
- School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Chen J, Guo X, Zou X, Wang M, Yang C, Hou W, Sprindzuk MV, Lu Z. The Biodistribution of Replication-Defective Simian Adenovirus 1 Vector in a Mouse Model. Viruses 2024; 16:550. [PMID: 38675893 PMCID: PMC11054548 DOI: 10.3390/v16040550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024] Open
Abstract
The administration route affects the biodistribution of a gene transfer vector and the expression of a transgene. A simian adenovirus 1 vector carrying firefly luciferase and GFP reporter genes (SAdV1-GFluc) were constructed, and its biodistribution was investigated in a mouse model by bioluminescence imaging and virus DNA tracking with real-time PCR. Luciferase activity and virus DNA were mainly found in the liver and spleen after the intravenous administration of SAdV1-GFluc. The results of flow cytometry illustrated that macrophages in the liver and spleen as well as hepatocytes were the target cells. Repeated inoculation was noneffective because of the stimulated serum neutralizing antibodies (NAbs) against SAdV-1. A transient, local expression of low-level luciferase was detected after intragastric administration, and the administration could be repeated without compromising the expression of the reporter gene. Intranasal administration led to a moderate, constant expression of a transgene in the whole respiratory tract and could be repeated one more time without a significant increase in the NAb titer. An immunohistochemistry assay showed that respiratory epithelial cells and macrophages in the lungs were transduced. High luciferase activity was restricted at the injection site and sustained for a week after intramuscular administration. A compromised transgene expression was observed after a repeated injection. When these mice were intramuscularly injected for a third time with the human adenovirus 5 (HAdV-5) vector carrying a luciferase gene, the luciferase activity recovered and reached the initial level, suggesting that the sequential use of SAdV-1 and HAdV-5 vectors was practicable. In short, the intranasal inoculation or intramuscular injection may be the preferred administration routes for the novel SAdV-1 vector in vaccine development.
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Affiliation(s)
- Juan Chen
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
- School of Public Health, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou 014040, China
| | - Xiaojuan Guo
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
| | - Xiaohui Zou
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
| | - Min Wang
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
| | - Chunlei Yang
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
- Henan Chemical Technician College, Kaifeng 475008, China
| | - Wenzhe Hou
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
| | - Matvey V. Sprindzuk
- United Institute of Informatics Problems, National Academy of Sciences of Belarus, 220012 Minsk, Belarus;
| | - Zhuozhuang Lu
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100052, China; (J.C.); (X.G.); (X.Z.); (M.W.); (C.Y.); (W.H.)
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Scarsella L, Ehrke-Schulz E, Paulussen M, Thal SC, Ehrhardt A, Aydin M. Advances of Recombinant Adenoviral Vectors in Preclinical and Clinical Applications. Viruses 2024; 16:377. [PMID: 38543743 PMCID: PMC10974029 DOI: 10.3390/v16030377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/14/2024] [Accepted: 02/19/2024] [Indexed: 05/23/2024] Open
Abstract
Adenoviruses (Ad) have the potential to induce severe infections in vulnerable patient groups. Therefore, understanding Ad biology and antiviral processes is important to comprehend the signaling cascades during an infection and to initiate appropriate diagnostic and therapeutic interventions. In addition, Ad vector-based vaccines have revealed significant potential in generating robust immune protection and recombinant Ad vectors facilitate efficient gene transfer to treat genetic diseases and are used as oncolytic viruses to treat cancer. Continuous improvements in gene delivery capacity, coupled with advancements in production methods, have enabled widespread application in cancer therapy, vaccine development, and gene therapy on a large scale. This review provides a comprehensive overview of the virus biology, and several aspects of recombinant Ad vectors, as well as the development of Ad vector, are discussed. Moreover, we focus on those Ads that were used in preclinical and clinical applications including regenerative medicine, vaccine development, genome engineering, treatment of genetic diseases, and virotherapy in tumor treatment.
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Affiliation(s)
- Luca Scarsella
- Department of Anesthesiology, Center for Clinical and Translational Research, Helios University Hospital Wuppertal, Witten/Herdecke University, 42283 Wuppertal, Germany;
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department Human Medicine, Faculty of Health, Witten/Herdecke University, 58453 Witten, Germany; (E.E.-S.); (A.E.)
- Laboratory of Experimental Pediatric Pneumology and Allergology, Center for Biomedical Education and Science (ZBAF), Department of Human Medicine, Faculty of Medicine, Witten/Herdecke University, 58453 Witten, Germany
| | - Eric Ehrke-Schulz
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department Human Medicine, Faculty of Health, Witten/Herdecke University, 58453 Witten, Germany; (E.E.-S.); (A.E.)
| | - Michael Paulussen
- Chair of Pediatrics, University Children’s Hospital, Vestische Kinder- und Jugendklinik Datteln, Witten/Herdecke University, 45711 Datteln, Germany;
| | - Serge C. Thal
- Department of Anesthesiology, Center for Clinical and Translational Research, Helios University Hospital Wuppertal, Witten/Herdecke University, 42283 Wuppertal, Germany;
| | - Anja Ehrhardt
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department Human Medicine, Faculty of Health, Witten/Herdecke University, 58453 Witten, Germany; (E.E.-S.); (A.E.)
| | - Malik Aydin
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department Human Medicine, Faculty of Health, Witten/Herdecke University, 58453 Witten, Germany; (E.E.-S.); (A.E.)
- Laboratory of Experimental Pediatric Pneumology and Allergology, Center for Biomedical Education and Science (ZBAF), Department of Human Medicine, Faculty of Medicine, Witten/Herdecke University, 58453 Witten, Germany
- Chair of Pediatrics, University Children’s Hospital, Vestische Kinder- und Jugendklinik Datteln, Witten/Herdecke University, 45711 Datteln, Germany;
- Institute for Medical Laboratory Diagnostics, Center for Clinical and Translational Research, Helios University Hospital Wuppertal, Witten/Herdecke University, 42283 Wuppertal, Germany
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Portero V, Deng S, Boink GJJ, Zhang GQ, de Vries A, Pijnappels DA. Optoelectronic control of cardiac rhythm: Toward shock-free ambulatory cardioversion of atrial fibrillation. J Intern Med 2024; 295:126-145. [PMID: 37964404 DOI: 10.1111/joim.13744] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, progressive in nature, and known to have a negative impact on mortality, morbidity, and quality of life. Patients requiring acute termination of AF to restore sinus rhythm are subjected to electrical cardioversion, which requires sedation and therefore hospitalization due to pain resulting from the electrical shocks. However, considering the progressive nature of AF and its detrimental effects, there is a clear need for acute out-of-hospital (i.e., ambulatory) cardioversion of AF. In the search for shock-free cardioversion methods to realize such ambulatory therapy, a method referred to as optogenetics has been put forward. Optogenetics enables optical control over the electrical activity of cardiomyocytes by targeted expression of light-activated ion channels or pumps and may therefore serve as a means for cardioversion. First proof-of-principle for such light-induced cardioversion came from in vitro studies, proving optogenetic AF termination to be very effective. Later, these results were confirmed in various rodent models of AF using different transgenes, illumination methods, and protocols, whereas computational studies in the human heart provided additional translational insight. Based on these results and fueled by recent advances in molecular biology, gene therapy, and optoelectronic engineering, a basis is now being formed to explore clinical translations of optoelectronic control of cardiac rhythm. In this review, we discuss the current literature regarding optogenetic cardioversion of AF to restore normal rhythm in a shock-free manner. Moreover, key translational steps will be discussed, both from a biological and technological point of view, to outline a path toward realizing acute shock-free ambulatory termination of AF.
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Affiliation(s)
- Vincent Portero
- Laboratory of Experimental Cardiology, Department of Cardiology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Shanliang Deng
- Laboratory of Experimental Cardiology, Department of Cardiology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
- Department of Microelectronics, Delft University of Technology, Delft, The Netherlands
| | - Gerard J J Boink
- Department of Medical Biology, Department of Cardiology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Guo Qi Zhang
- Department of Microelectronics, Delft University of Technology, Delft, The Netherlands
| | - Antoine de Vries
- Laboratory of Experimental Cardiology, Department of Cardiology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Daniël A Pijnappels
- Laboratory of Experimental Cardiology, Department of Cardiology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Deng H, Ge H, Dubey C, Losmanova T, Medová M, Konstantinidou G, Mutlu SM, Birrer FE, Brodie TM, Stroka D, Wang W, Peng RW, Dorn P, Marti TM. An optimized protocol for the generation and monitoring of conditional orthotopic lung cancer in the KP mouse model using an adeno-associated virus vector compatible with biosafety level 1. Cancer Immunol Immunother 2023; 72:4457-4470. [PMID: 37796299 DOI: 10.1007/s00262-023-03542-z] [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: 03/15/2023] [Accepted: 09/05/2023] [Indexed: 10/06/2023]
Abstract
BACKGROUND The inducible Kras/p53 lung adenocarcinoma mouse model, which faithfully recapitulates human disease, is routinely initiated by the intratracheal instillation of a virus-based Cre recombinase delivery system. Handling virus-based delivery systems requires elevated biosafety levels, e.g., biosafety level 2 (BSL-2). However, in experimental animal research facilities, following exposure to viral vectors in a BSL-2 environment, rodents may not be reclassified to BSL-1 according to standard practice, preventing access to small animal micro-computed tomography (micro-CT) scanners that are typically housed in general access areas such as BSL-1 rooms. Therefore, our goal was to adapt the protocol so that the Cre-induced KP mouse model could be handled under BSL-1 conditions during the entire procedure. RESULTS The Kras-Lox-STOP-Lox-G12D/p53 flox/flox (KP)-based lung adenocarcinoma mouse model was activated by intratracheal instillation of either an adenoviral-based or a gutless, adeno-associated viral-based Cre delivery system. Tumor growth was monitored over time by micro-CT. We have successfully substituted the virus-based Cre delivery system with a commercially available, gutless, adeno-associated, Cre-expressing vector that allows the KP mouse model to be handled and imaged in a BSL-1 facility. By optimizing the anesthesia protocol and switching to a microscope-guided vector instillation procedure, productivity was increased and procedure-related complications were significantly reduced. In addition, repeated micro-CT analysis of individual animals allowed us to monitor tumor growth longitudinally, dramatically reducing the number of animals required per experiment. Finally, we documented the evolution of tumor volume for different doses, which revealed that individual tumor nodules induced by low-titer AAV-Cre transductions can be monitored over time by micro-CT. CONCLUSION Modifications to the anesthesia and instillation protocols increased the productivity of the original KP protocol. In addition, the switch to a gutless, adeno-associated, Cre-expressing vector allowed longitudinal monitoring of tumor growth under BSL-1 conditions, significantly reducing the number of animals required for an experiment, in line with the 3R principles.
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Affiliation(s)
- Haibin Deng
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Thoracic Surgery Department 2, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Huixiang Ge
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Christelle Dubey
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | | | - Michaela Medová
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Department of Radiation Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | | | - Seyran Mathilde Mutlu
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Department of Pulmonary Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Fabienne Esther Birrer
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Tess Melinda Brodie
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Deborah Stroka
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Wenxiang Wang
- Thoracic Surgery Department 2, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Ren-Wang Peng
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
| | - Patrick Dorn
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
| | - Thomas Michael Marti
- Department of General Thoracic Surgery, Inselspital, Bern University Hospital, University of Bern, Murtenstrasse 28, 3008, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
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Ahata B, Akçapınar GB. CCHFV vaccine development, current challenges, limitations, and future directions. Front Immunol 2023; 14:1238882. [PMID: 37753088 PMCID: PMC10518622 DOI: 10.3389/fimmu.2023.1238882] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023] Open
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is the most prevalent tick-borne viral disease affecting humans. The disease is life-threatening in many regions of the developing world, including Africa, Asia, the Middle East, and Southern Europe. In line with the rapidly increasing disease prevalence, various vaccine strategies are under development. Despite a large number of potential vaccine candidates, there are no approved vaccines as of yet. This paper presents a detailed comparative analysis of current efforts to develop vaccines against CCHFV, limitations associated with current efforts, and future research directions.
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Affiliation(s)
- Büşra Ahata
- Department of Medical Biotechnology, Institute of Health Sciences, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Türkiye
- Health Institutes of Turkey, Istanbul, Türkiye
| | - Günseli Bayram Akçapınar
- Department of Medical Biotechnology, Institute of Health Sciences, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Türkiye
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Rice-Boucher PJ, Mendonça SA, Alvarez AB, Sturtz AJ, Lorincz R, Dmitriev IP, Kashentseva EA, Lu ZH, Romano R, Selby M, Pingale K, Curiel DT. Adenoviral vectors infect B lymphocytes in vivo. Mol Ther 2023; 31:2600-2611. [PMID: 37452494 PMCID: PMC10492023 DOI: 10.1016/j.ymthe.2023.07.004] [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: 04/07/2023] [Revised: 05/14/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023] Open
Abstract
B cells are the antibody-producing arm of the adaptive immune system and play a critical role in controlling pathogens. Several groups have now demonstrated the feasibility of using engineered B cells as a therapy, including infectious disease control and gene therapy of serum deficiencies. These studies have largely utilized ex vivo modification of the cells. Direct in vivo engineering would be of utility to the field, particularly in infectious disease control where the infrastructure needs of ex vivo cell modification would make a broad vaccination campaign highly challenging. In this study we demonstrate that engineered adenoviral vectors are capable of efficiently transducing murine and human primary B cells both ex vivo and in vivo. We found that unmodified human adenovirus C5 was capable of infecting B cells in vivo, likely due to interactions between the virus penton base protein and integrins. We further describe vector modification with B cell-specific gene promoters and successfully restrict transgene expression to B cells, resulting in a strong reduction in gene expression from the liver, the main site of human adenovirus C5 infection in vivo.
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Affiliation(s)
- Paul J Rice-Boucher
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA; Department of Biomedical Engineering, McKelvey School of Engineering, Washington University in Saint Louis, St. Louis, MO, USA
| | - Samir Andrade Mendonça
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Aluet Borrego Alvarez
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Alexandria J Sturtz
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Reka Lorincz
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Igor P Dmitriev
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Elena A Kashentseva
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Zhi Hong Lu
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - Rosa Romano
- Walking Fish Therapeutics, Inc., South San Francisco, CA, USA
| | - Mark Selby
- Walking Fish Therapeutics, Inc., South San Francisco, CA, USA
| | - Kunal Pingale
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA
| | - David T Curiel
- Department of Radiation Oncology, Biologic Therapeutics Center, Washington University School of Medicine, St. Louis, MO, USA.
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8
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Wang Y, Shao W. Innate Immune Response to Viral Vectors in Gene Therapy. Viruses 2023; 15:1801. [PMID: 37766208 PMCID: PMC10536768 DOI: 10.3390/v15091801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 09/29/2023] Open
Abstract
Viral vectors play a pivotal role in the field of gene therapy, with several related drugs having already gained clinical approval from the EMA and FDA. However, numerous viral gene therapy vectors are currently undergoing pre-clinical research or participating in clinical trials. Despite advancements, the innate response remains a significant barrier impeding the clinical development of viral gene therapy. The innate immune response to viral gene therapy vectors and transgenes is still an important reason hindering its clinical development. Extensive studies have demonstrated that different DNA and RNA sensors can detect adenoviruses, adeno-associated viruses, and lentiviruses, thereby activating various innate immune pathways such as Toll-like receptor (TLR), cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING), and retinoic acid-inducible gene I-mitochondrial antiviral signaling protein (RLR-MAVS). This review focuses on elucidating the mechanisms underlying the innate immune response induced by three widely utilized viral vectors: adenovirus, adeno-associated virus, and lentivirus, as well as the strategies employed to circumvent innate immunity.
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Affiliation(s)
| | - Wenwei Shao
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin 300072, China;
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Zhu L, Lei Y, Huang J, An Y, Ren Y, Chen L, Zhao H, Zheng C. Recent advances in oncolytic virus therapy for hepatocellular carcinoma. Front Oncol 2023; 13:1172292. [PMID: 37182136 PMCID: PMC10169724 DOI: 10.3389/fonc.2023.1172292] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/07/2023] [Indexed: 05/16/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a highly refractory cancer and the fourth leading cause of cancer-related mortality worldwide. Despite the development of a detailed treatment strategy for HCC, the survival rate remains unsatisfactory. Oncolytic virus has been extensively researched as a new cancer therapeutic agent in the treatment of HCC. Researchers have designed a variety of recombinant viruses based on natural oncolytic diseases, which can increase the targeting of oncolytic viruses to HCC and their survival in tumors, as well as kill tumor cells and inhibit the growth of HCC through a variety of mechanisms. The overall efficacy of oncolytic virus therapy is known to be influenced by anti-tumor immunity, toxic killing effect and inhibition of tumor angiogenesis, etc. Therefore, a comprehensive review of the multiple oncolytic mechanisms of oncolytic viruses in HCC has been conducted. So far, a large number of relevant clinical trials are under way or have been completed, and some encouraging results have been obtained. Studies have shown that oncolytic virus combined with other HCC therapies may be a feasible method, including local therapy, chemotherapy, molecular targeted therapy and immunotherapy. In addition, different delivery routes for oncolytic viruses have been studied so far. These studies make oncolytic virus a new and attractive drug for the treatment of HCC.
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Affiliation(s)
- Licheng Zhu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Lei
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Huang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yahang An
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Yanqiao Ren
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Chen
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huangxuan Zhao
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chuansheng Zheng
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Interventional Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Li L, Fan H, Zhou J, Xu X, Yang D, Wu M, Cao C, Lu G. Human adenovirus infection induces pulmonary inflammatory damage by triggering noncanonical inflammasomes activation and macrophage pyroptosis. Front Immunol 2023; 14:1169968. [PMID: 37180156 PMCID: PMC10167768 DOI: 10.3389/fimmu.2023.1169968] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/03/2023] [Indexed: 05/15/2023] Open
Abstract
Introduction Human adenovirus (HAdV) is a common respiratory virus, which can lead to severe pneumonia in children and immunocompromised persons, and canonical inflammasomes are reported to be involved in anti-HAdV defense. However, whether HAdV induced noncanonical inflammasome activation has not been explored. This study aims to explore the broad roles of noncanonical inflammasomes during HAdV infection to investigate the regulatory mechanism of HAdV-induced pulmonary inflammatory damage. Methods We mined available data on GEO database and collected clinical samples from adenovirus pneumonia pediatric patients to investigate the expression of noncanonical inflammasome and its clinical relevance. An in vitro cell model was employed to investigate the roles of noncanonical inflammasomes in macrophages in response to HAdV infection. Results Bioinformatics analysis showed that inflammasome-related genes, including caspase-4 and caspase-5, were enriched in adenovirus pneumonia. Moreover, caspase-4 and caspase-5 expression levels were significantly increased in the cells isolated from peripheral blood and broncho-alveolar lavage fluid (BALF) of pediatric patients with adenovirus pneumonia, and positively correlated with clinical parameters of inflammatory damage. In vitro experiments revealed that HAdV infection promoted caspase-4/5 expression, activation and pyroptosis in differentiated THP-1 (dTHP-1) human macrophages via NF-κB, rather than STING signaling pathway. Interestingly, silencing of caspase-4 and caspase-5 in dTHP-1 cells suppressed HAdV-induced noncanonical inflammasome activation and macrophage pyroptosis, and dramatically decreased the HAdV titer in cell supernatants, by influencing virus release rather than other stages of virus life cycle. Discussion In conclusion, our study demonstrated that HAdV infection induced macrophage pyroptosis by triggering noncanonical inflammasome activation via a NF-kB-dependent manner, which may explore new perspectives on the pathogenesis of HAdV-induced inflammatory damage. And high expression levels of caspase-4 and caspase-5 may be a biomarker for predicting the severity of adenovirus pneumonia.
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Affiliation(s)
- Lexi Li
- School of Medicine, South China University of Technology, Guangzhou, China
- Department of Respiration, Guangzhou Women and Children’s Medical Centre, Guangzhou, China
| | - Huifeng Fan
- Department of Respiration, Guangzhou Women and Children’s Medical Centre, Guangzhou, China
| | - Jinyu Zhou
- Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xuehua Xu
- Department of Respiration, Guangzhou Women and Children’s Medical Centre, Guangzhou, China
| | - Diyuan Yang
- Department of Respiration, Guangzhou Women and Children’s Medical Centre, Guangzhou, China
| | - Minhao Wu
- Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Can Cao
- Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Gen Lu
- School of Medicine, South China University of Technology, Guangzhou, China
- Department of Respiration, Guangzhou Women and Children’s Medical Centre, Guangzhou, China
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11
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Gatina DZ, Gazizov IM, Zhuravleva MN, Arkhipova SS, Golubenko MA, Gomzikova MO, Garanina EE, Islamov RR, Rizvanov AA, Salafutdinov II. Induction of Angiogenesis by Genetically Modified Human Umbilical Cord Blood Mononuclear Cells. Int J Mol Sci 2023; 24:ijms24054396. [PMID: 36901831 PMCID: PMC10002409 DOI: 10.3390/ijms24054396] [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: 11/18/2022] [Revised: 02/06/2023] [Accepted: 02/18/2023] [Indexed: 02/25/2023] Open
Abstract
Stimulating the process of angiogenesis in treating ischemia-related diseases is an urgent task for modern medicine, which can be achieved through the use of different cell types. Umbilical cord blood (UCB) continues to be one of the attractive cell sources for transplantation. The goal of this study was to investigate the role and therapeutic potential of gene-engineered umbilical cord blood mononuclear cells (UCB-MC) as a forward-looking strategy for the activation of angiogenesis. Adenovirus constructs Ad-VEGF, Ad-FGF2, Ad-SDF1α, and Ad-EGFP were synthesized and used for cell modification. UCB-MCs were isolated from UCB and transduced with adenoviral vectors. As part of our in vitro experiments, we evaluated the efficiency of transfection, the expression of recombinant genes, and the secretome profile. Later, we applied an in vivo Matrigel plug assay to assess engineered UCB-MC's angiogenic potential. We conclude that hUCB-MCs can be efficiently modified simultaneously with several adenoviral vectors. Modified UCB-MCs overexpress recombinant genes and proteins. Genetic modification of cells with recombinant adenoviruses does not affect the profile of secreted pro- and anti-inflammatory cytokines, chemokines, and growth factors, except for an increase in the synthesis of recombinant proteins. hUCB-MCs genetically modified with therapeutic genes induced the formation of new vessels. An increase in the expression of endothelial cells marker (CD31) was revealed, which correlated with the data of visual examination and histological analysis. The present study demonstrates that gene-engineered UCB-MC can be used to stimulate angiogenesis and possibly treat cardiovascular disease and diabetic cardiomyopathy.
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Affiliation(s)
- Dilara Z. Gatina
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Ilnaz M. Gazizov
- Department of Medical Biology and Genetics, Kazan State Medical University, 420012 Kazan, Russia
| | - Margarita N. Zhuravleva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Svetlana S. Arkhipova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Maria A. Golubenko
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Marina O. Gomzikova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Ekaterina E. Garanina
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Rustem R. Islamov
- Department of Medical Biology and Genetics, Kazan State Medical University, 420012 Kazan, Russia
| | - Albert A. Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Ilnur I. Salafutdinov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
- Department of Medical Biology and Genetics, Kazan State Medical University, 420012 Kazan, Russia
- Correspondence:
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12
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Marquez-Martinez S, Vijayan A, Khan S, Zahn R. Cell entry and innate sensing shape adaptive immune responses to adenovirus-based vaccines. Curr Opin Immunol 2023; 80:102282. [PMID: 36716578 DOI: 10.1016/j.coi.2023.102282] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 01/05/2023] [Indexed: 01/30/2023]
Abstract
Nonreplicating adenovirus-based vectors have been successfully implemented as prophylactic vaccines against infectious viral diseases and induce protective cellular and humoral responses. Differences in the mechanisms of cellular entry or endosomal escape of these vectors contribute to differences in innate immune sensing between adenovirus species. Innate immune responses to adenovirus-based vaccines, such as interferon signaling, have been reported to affect the development of adaptive responses in preclinical studies, although limited data are available in humans. Understanding the mechanisms of these early events is critical for the development of vaccines that elicit effective and durable adaptive immune responses while maintaining an acceptable reactogenicity profile.
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Affiliation(s)
- Sonia Marquez-Martinez
- Janssen Vaccines & Prevention B.V., Archimedesweg 4-6, Leiden South Holland 2333 CN, the Netherlands.
| | - Aneesh Vijayan
- Janssen Vaccines & Prevention B.V., Archimedesweg 4-6, Leiden South Holland 2333 CN, the Netherlands
| | - Selina Khan
- Janssen Vaccines & Prevention B.V., Archimedesweg 4-6, Leiden South Holland 2333 CN, the Netherlands
| | - Roland Zahn
- Janssen Vaccines & Prevention B.V., Archimedesweg 4-6, Leiden South Holland 2333 CN, the Netherlands
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13
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Panos JA, Coenen MJ, Nagelli CV, McGlinch EB, Atasoy-Zeybek A, De Padilla CL, Coghlan RF, Johnstone B, Ferreira E, Porter RM, De la Vega RE, Evans CH. IL-1Ra gene transfer potentiates BMP2-mediated bone healing by redirecting osteogenesis toward endochondral ossification. Mol Ther 2023; 31:420-434. [PMID: 36245128 PMCID: PMC9931547 DOI: 10.1016/j.ymthe.2022.10.007] [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: 05/23/2022] [Revised: 09/14/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022] Open
Abstract
An estimated 100,000 patients each year in the United States suffer severe disability from bone defects that fail to heal, a condition where bone-regenerative therapies could provide substantial clinical benefits. Although recombinant human bone morphogenetic protein-2 (rhBMP2) is an osteogenic growth factor that is clinically approved for this purpose, it is only effective when used at exceedingly high doses that incur substantial costs, induce severe inflammation, produce adverse side effects, and form morphologically abnormal bone. Using a validated rat femoral segmental defect model, we show that bone formed in response to clinically relevant doses of rhBMP2 is accompanied by elevated expression of interleukin-1 (IL-1). Local delivery of cDNA encoding the IL-1 receptor antagonist (IL-1Ra) achieved bridging of segmental, critical size defects in bone with a 90% lower dose of rhBMP2. Unlike use of high-dose rhBMP2, bone formation in the presence of IL-1Ra occurred via the native process of endochondral ossification, resulting in improved quality without sacrificing the mechanical properties of the regenerated bone. Our results demonstrate that local immunomodulation may permit effective use of growth factors at lower doses to recapitulate more precisely the native biology of healing, leading to higher-quality tissue regeneration.
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Affiliation(s)
- Joseph A Panos
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA; Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, USA; Medical Scientist Training Program, Mayo Clinic, Rochester, MN, USA
| | - Michael J Coenen
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA
| | - Christopher V Nagelli
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA
| | - Erin B McGlinch
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA; Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, USA; Virology and Gene Therapy Graduate Program, Mayo Clinic, Rochester, MN, USA
| | - Aysegul Atasoy-Zeybek
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA
| | - Consuelo Lopez De Padilla
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA
| | - Ryan F Coghlan
- Research Center, Shriners Hospitals for Children, Portland, OR, USA
| | - Brian Johnstone
- Research Center, Shriners Hospitals for Children, Portland, OR, USA; Department of Orthopedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA
| | - Elisabeth Ferreira
- Center for Musculoskeletal Disease Research, Departments of Internal Medicine and Orthopedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Ryan M Porter
- Center for Musculoskeletal Disease Research, Departments of Internal Medicine and Orthopedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Rodolfo E De la Vega
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA; Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute, Maastricht, the Netherlands
| | - Christopher H Evans
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, USA; Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic, Rochester, MN, USA.
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14
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Wang WC, Sayedahmed EE, Mittal SK. Significance of Preexisting Vector Immunity and Activation of Innate Responses for Adenoviral Vector-Based Therapy. Viruses 2022; 14:v14122727. [PMID: 36560730 PMCID: PMC9787786 DOI: 10.3390/v14122727] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
An adenoviral (AdV)-based vector system is a promising platform for vaccine development and gene therapy applications. Administration of an AdV vector elicits robust innate immunity, leading to the development of humoral and cellular immune responses against the vector and the transgene antigen, if applicable. The use of high doses (1011-1013 virus particles) of an AdV vector, especially for gene therapy applications, could lead to vector toxicity due to excessive levels of innate immune responses, vector interactions with blood factors, or high levels of vector transduction in the liver and spleen. Additionally, the high prevalence of AdV infections in humans or the first inoculation with the AdV vector result in the development of vector-specific immune responses, popularly known as preexisting vector immunity. It significantly reduces the vector efficiency following the use of an AdV vector that is prone to preexisting vector immunity. Several approaches have been developed to overcome this problem. The utilization of rare human AdV types or nonhuman AdVs is the primary strategy to evade preexisting vector immunity. The use of heterologous viral vectors, capsid modification, and vector encapsulation are alternative methods to evade vector immunity. The vectors can be optimized for clinical applications with comprehensive knowledge of AdV vector immunity, toxicity, and circumvention strategies.
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15
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Li YE, Wang S, Reiter RJ, Ren J. Clinical cardiovascular emergencies and the cellular basis of COVID-19 vaccination: from dream to reality? Int J Infect Dis 2022; 124:1-10. [PMID: 36075372 PMCID: PMC9444584 DOI: 10.1016/j.ijid.2022.08.026] [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: 06/26/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES SARS-CoV-2 is responsible for the global COVID-19 pandemic, with little prevention or treatment options. More than 600 million mortalities have been documented from SARS-CoV-2 infection, with the majority of fatalities occurring among elderly patients (aged >65 years). A number of vaccines have been developed in an effort to restrain the rapid spread of SARS-CoV-2. Considering the widespread administration of these vaccines, substantial side or undesired effects in multiple organ systems have emerged, necessitating essential critical care. Herein, we tabulate the adverse cardiovascular responses resulting from COVID-19 vaccines. DESIGN OR METHODS We searched PubMed for articles published through April, 2022, with the terms "SARS-CoV-2", "COVID-19", "cardiovascular", "SARS-CoV-2 vaccines", "COVID-19 vaccines", "myocarditis", "pericarditis", "thrombosis", "thrombocytopenia", "vaccine-induced thrombotic thrombocytopenia", "acute coronary syndrome", "myocardial infarction", "hypertension", "arrythmia", "postural orthostatic tachycardia syndrome", "Takotsubo cardiomyopathy", "cardiac arrest" and "death". We mainly selected publications from the past 3 years, but did not exclude widely referenced and highly regarded older publications. Besides, we searched the reference lists of articles identified by above search method and chose those we considered relevant. RESULTS COVID-19 vaccines evoke rare but fatal thrombotic events, whereas messenger RNA\055based vaccines appear to be associated with risks of pericarditis/myocarditis, with the latter being more predominant in young adults following the second dose. Reports of other cardiovascular responses, including hypertension, arrhythmia, acute coronary syndrome, and cardiac arrest, have also been indicated. CONCLUSION The undesired cardiovascular complications remain infrequent, giveng the large number of vaccinations inoculated to general population. And lower mortality takes precedence over the undesired cardiovascular complications.
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Affiliation(s)
- Yiran E. Li
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Shuyi Wang
- Department of Emergency, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200072, China
| | - Russel J. Reiter
- Department of Cellular and Structural Biology, UT Health San Antonio, San Antonio, USA
| | - Jun Ren
- Shanghai Institute of Cardiovascular Diseases, Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China,Corresponding author
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16
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Greber UF, Suomalainen M. Adenovirus entry: Stability, uncoating, and nuclear import. Mol Microbiol 2022; 118:309-320. [PMID: 35434852 PMCID: PMC9790413 DOI: 10.1111/mmi.14909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 12/30/2022]
Abstract
Adenoviruses (AdVs) are widespread in vertebrates. They infect the respiratory and gastrointestinal tracts, the eyes, heart, liver, and kidney, and are lethal to immunosuppressed people. Mastadenoviruses infecting mammals comprise several hundred different types, and many specifically infect humans. Human adenoviruses are the most widely used vectors in clinical applications, including cancer treatment and COVID-19 vaccination. AdV vectors are physically and genetically stable and generally safe in humans. The particles have an icosahedral coat and a nucleoprotein core with a DNA genome. We describe the concept of AdV cell entry and highlight recent advances in cytoplasmic transport, uncoating, and nuclear import of the viral DNA. We highlight a recently discovered "linchpin" function of the virion protein V ensuring cytoplasmic particle stability, which is relaxed at the nuclear pore complex by cues from the E3 ubiquitin ligase Mind bomb 1 (MIB1) and the proteasome triggering disruption. Capsid disruption by kinesin motor proteins and microtubules exposes the linchpin and renders protein V a target for MIB1 ubiquitination, which dissociates V from viral DNA and enhances DNA nuclear import. These advances uncover mechanisms controlling capsid stability and premature uncoating and provide insight into nuclear transport of nucleic acids.
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Affiliation(s)
- Urs F. Greber
- Department of Molecular Life SciencesUniversity of ZurichZurichSwitzerland
| | - Maarit Suomalainen
- Department of Molecular Life SciencesUniversity of ZurichZurichSwitzerland
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17
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Huang L, Zhao H, Shan M, Chen H, Xu B, He Y, Zhao Y, Liu Z, Chen J, Xu Q. Oncolytic adenovirus H101 ameliorate the efficacy of anti-PD-1 monotherapy in colorectal cancer. Cancer Med 2022; 11:4575-4587. [PMID: 35762456 PMCID: PMC9741988 DOI: 10.1002/cam4.4845] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 04/14/2022] [Accepted: 05/04/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Immune checkpoint blockade therapy with anti-programmed cell death (PD)-1 antibodies provides therapeutic effect for many patients of various cancers but remains inadequate in colorectal cancer (CRC) patients. The present study aims to assess the efficacy of oncolytic adenovirus (OncoAd ) in enhancing the anti-PD-1 treatment of CRC. METHODS The estimating relative subsets of RNA transcripts algorithm was used for estimating the infiltrated immune cells in melanoma and CRC tissues. The efficacy of OncoAd with anti-PD-1 monotherapy was performed in a CT26 CRC mouse model in vivo. Flow cytometric analysis of peripheral blood and tumor tissues determined the difference anti-tumor immune efficacy of OncoAd with anti-PD-1 monotherapy. RESULTS The Cancer Genome Atlas database indicated that CD8+ T cells and regulatory T cells were significantly elevated in melanoma compared to CRC cohorts. Moreover, intratumor injection of oncolytic adenovirus enhanced T cell infiltration and decreased Treg percentages in the CT26 CRC colorectal cancer mouse model. Combinatorial OncoAd with anti-PD-1 antibody treatment markedly enhanced the anti-tumor efficacy of anti-PD-1 by significantly decreasing the tumor volume and reducing tumor growth in a CRC mouse model. To the end, OncoAd treatment increased the CD8/Treg ratio, indicating that OncoAd intratumor injection ameliorate the anti-tumor immune response of anti-PD-1 therapy. CONCLUSION The present study elucidates that OncoAd promotes intratumor T cell infiltration and improves anti-PD-1 immunotherapy, thereby providing a potent combinatorial therapeutic strategy for CRC.
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Affiliation(s)
- Lili Huang
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina
| | - Huaxin Zhao
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina
| | | | - Hong Chen
- Department of Gastrointestinal SurgeryFujian Provincial HospitalFuzhouChina
| | - Bin Xu
- Department of General Surgery, Shanghai Tenth People's HospitalTongji University School of MedicineShangaiChina
| | - Yang He
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina
| | - Yu Zhao
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina
| | - Zhuqing Liu
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina
| | - Jianhua Chen
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina
| | - Qing Xu
- Department of Oncology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina,Tongji University Cancer CenterShanghaiChina,Anhui Medical UniversityHeFeiChina
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In vivo HSC transduction in rhesus macaques with an HDAd5/3+ vector targeting desmoglein 2 and transiently over-expressing cxcr4. Blood Adv 2022; 6:4360-4372. [PMID: 35679480 PMCID: PMC9636333 DOI: 10.1182/bloodadvances.2022007975] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/01/2022] [Indexed: 11/20/2022] Open
Abstract
We developed a new in vivo hematopoietic stem cell (HSC) gene therapy approach that involves only intravenous injections and does not require myeloablation/conditioning and HSC transplantation. In this approach, HSCs are mobilized from the bone marrow into the peripheral blood stream and transduced with intravenously injected helper-dependent adenovirus (HDAd) vectors. A fraction of transduced HSCs returns to the bone marrow and persists there long-term. Here, we report desmoglein 2 (DSG2) as a new receptor that can be employed for in in vivo HSC transduction. We developed HDAd5/3+ vectors that use DSG2 as a high-affinity attachment receptor and studied in vivo HSC transduction and safety after intravenous injection of an HDAd5/3+GFP vector in G-CSF/AMD3100(Plerixafor)-mobilized rhesus macaques. Unlike previously used CD46-targeting HDAd5/35++ vectors, HDAd5/3+ virions were not sequestered by rhesus erythrocytes and therefore mediated ~10-fold higher GFP marking rates in primitive HSCs (CD34+/CD45RA-/CD90+ cells) in the bone marrow at day 7 after vector injection. To further increase the return of in vivo transduced, mobilized HSCs to the bone marrow, we transiently expressed CXC motif chemokine receptor 4 (cxcr4) in mobilized HSCs from the HDAd5/3+ vector. In vivo transduction with a HDAd5/3+GFP/cxcr4 vector at a low dose of 0.4x1012vp/kg resulted in up to 7% of GFP-positive CD34+/CD45RA-/CD90+ cells in the bone marrow. This transduction rate is a solid basis for in vivo base or prime editing in combination with natural or drug-induced expansion of edited HSCs. Furthermore, our study provides new insights into HSC biology and trafficking after mobilization in non-human primates.
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19
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Zheng N, Wang Y, Rong H, Wang K, Huang X. Human Adenovirus Associated Hepatic Injury. Front Public Health 2022; 10:878161. [PMID: 35570934 PMCID: PMC9095934 DOI: 10.3389/fpubh.2022.878161] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/16/2022] [Indexed: 01/08/2023] Open
Abstract
Human adenovirus (HAdV) is a common virus, but the infections it causes are relatively uncommon. At the same time, the methods for the detection of HAdV are varied, among which viral culture is still the gold standard. HAdV infection is usually self-limited but can also cause clinically symptomatic in lots of organs and tissues, of which human adenovirus pneumonia is the most common. In contrast, human adenovirus hepatitis is rarely reported. However, HAdV hepatitis has a high fatality rate once it occurs, especially in immunocompromised patients. Although human adenovirus hepatitis has some pathological and imaging features, its clinical symptoms are not typical. Therefore, HAdV hepatitis is not easy to be found in the clinic. There are kinds of treatments to treat this disease, but few are absolutely effective. In view of the above reasons, HAdV hepatitis is a disease that is difficult to be found in time. We reviewed and summarized the previously reported cases, hoping to bring some relatively common characteristics to clinicians, so as to facilitate early detection, early diagnosis, and early treatment of patients.
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Affiliation(s)
- Nan Zheng
- Department of Infectious Diseases, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yan Wang
- Department of Infectious Diseases, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hechen Rong
- Department of Infectious Diseases, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Kun Wang
- Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaoping Huang
- Department of Infectious Diseases, First Affiliated Hospital of Soochow University, Suzhou, China
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Brown M. Engaging Pattern Recognition Receptors in Solid Tumors to Generate Systemic Antitumor Immunity. Cancer Treat Res 2022; 183:91-129. [PMID: 35551657 DOI: 10.1007/978-3-030-96376-7_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Malignant tumors frequently exploit innate immunity to evade immune surveillance. The priming, function, and polarization of antitumor immunity fundamentally depends upon context provided by the innate immune system, particularly antigen presenting cells. Such context is determined in large part by sensing of pathogen specific and damage associated features by pathogen recognition receptors (PRRs). PRR activation induces the delivery of T cell priming cues (e.g. chemokines, co-stimulatory ligands, and cytokines) from antigen presenting cells, playing a decisive role in the cancer immunity cycle. Indeed, endogenous PRR activation within the tumor microenvironment (TME) has been shown to generate spontaneous antitumor T cell immunity, e.g., cGAS-STING mediated activation of antigen presenting cells after release of DNA from dying tumor cells. Thus, instigating intratumor PRR activation, particularly with the goal of generating Th1-promoting inflammation that stokes endogenous priming of antitumor CD8+ T cells, is a growing area of clinical investigation. This approach is analogous to in situ vaccination, ultimately providing a personalized antitumor response against relevant tumor associated antigens. Here I discuss clinical stage intratumor modalities that function via activation of PRRs. These approaches are being tested in various solid tumor contexts including melanoma, colorectal cancer, glioblastoma, head and neck squamous cell carcinoma, bladder cancer, and pancreatic cancer. Their mechanism (s) of action relative to other immunotherapy approaches (e.g., antigen-defined cancer vaccines, CAR T cells, dendritic cell vaccines, and immune checkpoint blockade), as well as their potential to complement these approaches are also discussed. Examples to be reviewed include TLR agonists, STING agonists, RIG-I agonists, and attenuated or engineered viruses and bacterium. I also review common key requirements for effective in situ immune activation, discuss differences between various strategies inclusive of mechanisms that may ultimately limit or preclude antitumor efficacy, and provide a summary of relevant clinical data.
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Affiliation(s)
- Michael Brown
- Department of Neurosurgery, Duke University, Durham, NC, USA.
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21
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Ander SE, Li FS, Carpentier KS, Morrison TE. Innate immune surveillance of the circulation: A review on the removal of circulating virions from the bloodstream. PLoS Pathog 2022; 18:e1010474. [PMID: 35511797 PMCID: PMC9070959 DOI: 10.1371/journal.ppat.1010474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Many viruses utilize the lymphohematogenous route for dissemination; however, they may not freely use this highway unchecked. The reticuloendothelial system (RES) is an innate defense system that surveys circulating blood, recognizing and capturing viral particles. Examination of the literature shows that the bulk of viral clearance is mediated by the liver; however, the precise mechanism(s) mediating viral vascular clearance vary between viruses and, in many cases, remains poorly defined. Herein, we summarize what is known regarding the recognition and capture of virions from the circulation prior to the generation of a specific antibody response. We also discuss the consequences of viral capture on viral pathogenesis and the fate of the captor cell. Finally, this understudied topic has implications beyond viral pathogenesis, including effects on arbovirus ecology and the application of virus-vectored gene therapies.
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Affiliation(s)
- Stephanie E. Ander
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Frances S. Li
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Kathryn S. Carpentier
- Department of Natural Sciences, Greensboro College, Greensboro, North Carolina, United States of America
| | - Thomas E. Morrison
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, United States of America
- * E-mail:
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22
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Szabó GT, Mahiny AJ, Vlatkovic I. COVID-19 mRNA vaccines: Platforms and current developments. Mol Ther 2022; 30:1850-1868. [PMID: 35189345 PMCID: PMC8856755 DOI: 10.1016/j.ymthe.2022.02.016] [Citation(s) in RCA: 92] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 02/03/2022] [Accepted: 02/14/2022] [Indexed: 11/30/2022] Open
Abstract
Since the first successful application of messenger ribonucleic acid (mRNA) as a vaccine agent in a preclinical study nearly 30 years ago, numerous advances have been made in the field of mRNA therapeutic technologies. This research uncovered the unique favorable characteristics of mRNA vaccines, including their ability to give rise to non-toxic, potent immune responses and the potential to design and upscale them rapidly, making them excellent vaccine candidates during the coronavirus disease 2019 (COVID-19) pandemic. Indeed, the first two vaccines against COVID-19 to receive accelerated regulatory authorization were nucleoside-modified mRNA vaccines, which showed more than 90% protective efficacy against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection alongside tolerable safety profiles in the pivotal phase III clinical trials. Real-world evidence following the deployment of global vaccination campaigns utilizing mRNA vaccines has bolstered clinical trial evidence and further illustrated that this technology can be used safely and effectively to combat COVID-19. This unprecedented success also emphasized the broader potential of this new drug class, not only for other infectious diseases, but also for other indications, such as cancer and inherited diseases. This review presents a brief history and the current status of development of four mRNA vaccine platforms, nucleoside-modified and unmodified mRNA, circular RNA, and self-amplifying RNA, as well as an overview of the recent progress and status of COVID-19 mRNA vaccines. We also discuss the current and anticipated challenges of these technologies, which may be important for future research endeavors and clinical applications.
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23
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Shin SP, Shin KS, Lee JM, Jung IK, Koo J, Lee SW, Park S, Shin J, Park M, Park B, Oh H, Koo BS, Hong J, Ryu CM, Kim JO, Oh T, Kang CY. The Chimeric Adenovirus (Ad5/35) Expressing Engineered Spike Protein Confers Immunity against SARS-CoV-2 in Mice and Non-Human Primates. Vaccines (Basel) 2022; 10:712. [PMID: 35632468 PMCID: PMC9147121 DOI: 10.3390/vaccines10050712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 12/10/2022] Open
Abstract
Several COVID-19 platforms have been licensed across the world thus far, but vaccine platform research that can lead to effective antigen delivery is still ongoing. Here, we constructed AdCLD-CoV19 that could modulate humoral immunity by harboring SARS-CoV-2 antigens onto a chimeric adenovirus 5/35 platform that was effective in cellular immunity. By replacing the S1/S2 furin cleavage sequence of the SARS-CoV-2 Spike (S) protein mounted on AdCLD-CoV19 with the linker sequence, high antigen expression was confirmed in various cell lines. The high levels of antigen expression contributed to antigen-specific antibody activity in mice and non-human primates (NHPs) with a single vaccination of AdCLD-CoV19. Furthermore, the adenovirus-induced Th1 immune response was specifically raised for the S protein, and these immune responses protected the NHP against live viruses. While AdCLD-CoV19 maintained neutralizing antibody activity against various SARS-CoV-2 variants, it was reduced to single vaccination for β and ο variants, and the reduced neutralizing antibody activity was restored with booster shots. Hence, AdCLD-CoV19 can prevent SARS-CoV-2 with a single vaccination, and the new vaccine administration strategy that responds to various variants can maintain the efficacy of the vaccine.
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Affiliation(s)
- Seung-Phil Shin
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Kwang-Soo Shin
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Jeong-Mi Lee
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - In-Kyung Jung
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Jimo Koo
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Seung-Woo Lee
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Seowoo Park
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Jieun Shin
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Myunghwan Park
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Bongju Park
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Hanseul Oh
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Korea; (H.O.); (B.-S.K.); (J.H.)
| | - Bon-Sang Koo
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Korea; (H.O.); (B.-S.K.); (J.H.)
| | - Jungjoo Hong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Korea; (H.O.); (B.-S.K.); (J.H.)
| | - Choong-Min Ryu
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea;
| | - Jae-Ouk Kim
- Science Unit, International Vaccine Institute, Seoul 08826, Korea;
| | - Taegwon Oh
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
| | - Chang-Yuil Kang
- Cellid Co., Ltd., Seoul 08826, Korea; (S.-P.S.); (K.-S.S.); (J.-M.L.); (I.-K.J.); (J.K.); (S.-W.L.); (S.P.); (J.S.); (M.P.); (B.P.); (T.O.)
- Laboratory of Immunology, Research Institute of Pharmaceutical Science, College of Pharmacy, Seoul National University, Seoul 08826, Korea
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Thrombocytopenia and splenic platelet directed immune responses after intravenous ChAdOx1 nCov-19 administration. Blood 2022; 140:478-490. [PMID: 35486845 PMCID: PMC9060731 DOI: 10.1182/blood.2021014712] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/14/2022] [Indexed: 11/20/2022] Open
Abstract
Vaccines against SARS-CoV-2 are based on a range of novel platforms, with adenovirus-based approaches (like ChAdOx1 nCov-19) being one of them. Recently a novel complication of SARS-CoV-2 targeted adenovirus vaccines has emerged: immune thrombocytopenia (ITP), either isolated, or accompanied by thrombosis (then termed VITT). This complication is characterized by low platelet counts, and in the case of VITT also by platelet-activating platelet factor 4 (PF4) antibodies reminiscent of heparin-induced thrombocytopenia leading to a prothrombotic state with clot formation at unusual anatomic sites. Here, we detected anti-platelet antibodies targeting platelet glycoprotein receptors in 30% of patients with proven VITT (n=27), as well as 42% of patients with isolated thrombocytopenia after ChAdOx1 nCov-19 vaccination (n=26), indicating broad antiplatelet autoimmunity in these clinical entities. We employ in vitro and in vivo models to characterize possible mechanisms of these platelet-targeted autoimmune responses leading to thrombocytopenia. We show that intravenous but not intramuscular injection of ChAdOx1 nCov-19 triggers platelet-adenovirus aggregate formation and platelet activation. After intravenous injection, these aggregates are phagocytosed by macrophages in the spleen and platelet remnants are found in the marginal zone and follicles. This is followed by a pronounced B-cell response with the emergence of circulating antibodies binding to platelets. Our work contributes to the understanding of platelet associated complications after ChAdOx1 nCov-19 administration and highlights accidental intravenous injection as a potential mechanism of platelet targeted autoimmunity. Hence, preventing intravenous injection when administering adenovirus-based vaccines could be a potential measure against platelet associated pathologies following the vaccination.
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25
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Cytokine Responses to Adenovirus and Adenovirus Vectors. Viruses 2022; 14:v14050888. [PMID: 35632630 PMCID: PMC9145601 DOI: 10.3390/v14050888] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 12/15/2022] Open
Abstract
The expression of cytokines and chemokines in response to adenovirus infection is tightly regulated by the innate immune system. Cytokine-mediated toxicity and cytokine storm are known clinical phenomena observed following naturally disseminated adenovirus infection in immunocompromised hosts as well as when extremely high doses of adenovirus vectors are injected intravenously. This dose-dependent, cytokine-mediated toxicity compromises the safety of adenovirus-based vectors and represents a critical problem, limiting their utility for gene therapy applications and the therapy of disseminated cancer, where intravenous injection of adenovirus vectors may provide therapeutic benefits. The mechanisms triggering severe cytokine response are not sufficiently understood, prompting efforts to further investigate this phenomenon, especially in clinically relevant settings. In this review, we summarize the current knowledge on cytokine and chemokine activation in response to adenovirus- and adenovirus-based vectors and discuss the underlying mechanisms that may trigger acute cytokine storm syndrome. First, we review profiles of cytokines and chemokines that are activated in response to adenovirus infection initiated via different routes. Second, we discuss the molecular mechanisms that lead to cytokine and chemokine transcriptional activation. We further highlight how immune cell types in different organs contribute to synthesis and systemic release of cytokines and chemokines in response to adenovirus sensing. Finally, we review host factors that can limit cytokine and chemokine expression and discuss currently available and potential future interventional approaches that allow for the mitigation of the severity of the cytokine storm syndrome. Effective cytokine-targeted interventional approaches may improve the safety of systemic adenovirus delivery and thus broaden the potential clinical utility of adenovirus-based therapeutic vectors.
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26
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Cirillo E, Esposito C, Giardino G, Azan G, Fecarotta S, Pittaluga S, Ruggiero L, Barretta F, Frisso G, Notarangelo LD, Pignata C. Case Report: Severe Rhabdomyolysis and Multiorgan Failure After ChAdOx1 nCoV-19 Vaccination. Front Immunol 2022; 13:845496. [PMID: 35371100 PMCID: PMC8968726 DOI: 10.3389/fimmu.2022.845496] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/28/2022] [Indexed: 12/18/2022] Open
Abstract
Background Severe skeletal muscle damage has been recently reported in patients with SARS-CoV-2 infection and as a rare vaccination complication. Case summary On Apr 28, 2021 a 68-year-old man who was previously healthy presented with an extremely severe rhabdomyolysis that occurred nine days following the first dose of SARS-CoV-2 ChAdOx1 nCov-19 vaccination. He had no risk factors, and denied any further assumption of drugs except for fermented red rice, and berberine supplement. The clinical scenario was complicated by a multi organ failure involving bone marrow, liver, lung, and kidney. For the rapid increase of the inflammatory markers, a cytokine storm was suspected and multi-target biologic immunosuppressive therapy was started, consisting of steroids, anakinra, and eculizumab, which was initially successful resulting in close to normal values of creatine phosphokinase after 17 days of treatment. Unfortunately, 48 days after the vaccination an accelerated phase of deterioration, characterized by severe multi-lineage cytopenia, untreatable hypotensive shock, hypoglycemia, and dramatic increase of procalcitonin (PCT), led to patient death. Conclusion Physicians should be aware that severe and fatal rhabdomyolysis may occur after SARS-CoV2 vaccine administration.
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Affiliation(s)
- Emilia Cirillo
- Departments of Translational Medical Sciences, Pediatric Section, Federico II University of Naples, Naples, Italy
| | - Ciro Esposito
- Department of Transplants, A. Cardarelli Hospital, Naples, Italy
| | - Giuliana Giardino
- Departments of Translational Medical Sciences, Pediatric Section, Federico II University of Naples, Naples, Italy
| | - Gaetano Azan
- Department of Transplants, A. Cardarelli Hospital, Naples, Italy
| | - Simona Fecarotta
- Departments of Translational Medical Sciences, Pediatric Section, Federico II University of Naples, Naples, Italy
| | - Stefania Pittaluga
- Laboratory of Pathology Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Lucia Ruggiero
- Department of Neuroscience, Reproductive and Odontostomatological Science, Federico II University of Naples, Naples, Italy
| | - Ferdinando Barretta
- Department of Molecular Medicine and Medical Biotechnology , Federico II University of Naples, Naples, Italy
| | - Giulia Frisso
- Department of Molecular Medicine and Medical Biotechnology , Federico II University of Naples, Naples, Italy
| | - Luigi Daniele Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Claudio Pignata
- Departments of Translational Medical Sciences, Pediatric Section, Federico II University of Naples, Naples, Italy
- *Correspondence: Claudio Pignata,
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27
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Safe and efficient in vivo hematopoietic stem cell transduction in nonhuman primates using HDAd5/35++ vectors. MOLECULAR THERAPY - METHODS & CLINICAL DEVELOPMENT 2022; 24:127-141. [PMID: 35036470 PMCID: PMC8741415 DOI: 10.1016/j.omtm.2021.12.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/04/2021] [Indexed: 12/11/2022]
Abstract
We tested a new in vivo hematopoietic stem cell (HSC) transduction/selection approach in rhesus macaques using HSC-tropic, integrating, helper-dependent adenovirus vectors (HDAd5/35++) designed for the expression of human γ-globin in red blood cells (RBCs) to treat hemoglobinopathies. We show that HDAd5/35++ vectors preferentially transduce HSCs in vivo after intravenous injection into granulocyte colony-stimulating factor (G-CSF)/AMD3100-mobilized animals and that transduced cells return to the bone marrow and spleen. The approach was well tolerated, and the activation of proinflammatory cytokines that are usually associated with intravenous adenovirus vector injection was successfully blunted by pre-treatment with dexamethasone in combination with interleukin (IL)-1 and IL-6 receptor blockers. Using our MGMTP140K-based in vivo selection approach, γ-globin+ RBCs increased in all animals with levels up to 90%. After selection, the percentage of γ-globin+ RBCs declined, most likely due to an immune response against human transgene products. Our biodistribution data indicate that γ-globin+ RBCs in the periphery were mostly derived from mobilized HSCs that homed to the spleen. Integration site analysis revealed a polyclonal pattern and no genotoxicity related to transgene integrations. This is the first proof-of-concept study in nonhuman primates to show that in vivo HSC gene therapy could be feasible in humans without the need for high-dose chemotherapy conditioning and HSC transplantation.
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28
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Calcaterra G, Bassareo PP, Barilla' F, Romeo F, Mehta JL. Concerning the unexpected prothrombotic state following some coronavirus disease 2019 vaccines. J Cardiovasc Med (Hagerstown) 2022; 23:71-74. [PMID: 34366403 DOI: 10.2459/jcm.0000000000001232] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Currently, the world is coping with the COVID-19 pandemic with a few vaccines. So far, the European Medicine Agency has approved four of them. However, following widespread vaccination with the recombinant adenoviral vector-based Oxford-AstraZeneca vaccine, available only in the United Kingdom and Europe, many concerns have emerged, especially the report of several cases of the otherwise rare cerebral sinus vein thrombosis and splanchnic vein thrombosis. The onset of thrombosis particularly at these unusual sites, about 5--14 days after vaccination, along with thrombocytopenia and other specific blood test abnormalities, are the main features of the vaccine side effects. The acronym vaccine-induced prothrombotic immune thrombocytopenia (VIPIT) has been coined to name this new condition, with the aim of highlighting the difference from the classic heparin-induced thrombocytopenia (HIT). VIPIT seems to primarily affect young to middle-aged women. For this reason, the vaccine administration has been stopped or limited in a few European countries. Coagulopathy induced by the Oxford-AstraZeneca vaccine (and probably by Janssen/Johnson & Johnson vaccine as well in the USA) is likely related to the use of recombinant vector DNA adenovirus, as experimentally proven in animal models. Conversely, Pfizer and Moderna vaccines use mRNA vectors. All vaccine-induced thrombotic events should be treated with a nonheparin anticoagulant. As the condition has some similarities with HIT, patients should not receive any heparin or platelet transfusion, as these treatments may potentially worsen the clinical course. Aspirin has limited rational use in this setting and is not currently recommended. Intravenous immunoglobulins may represent another potential treatment, but, most importantly, clinicians need to be aware of this new unusual postvaccination syndrome.
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Affiliation(s)
| | - Pier Paolo Bassareo
- University College of Dublin, Mater Misericordiae University Hospital and Our Lady's Children's Hospital Crumlin, Dublin, Ireland
| | | | | | - Jawahar L Mehta
- University of Arkansas for Medical Sciences and the VA Medical Center, Little Rock, Arkansas, USA
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29
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Sakurai F, Tachibana M, Mizuguchi H. Adenovirus vector-based vaccine for infectious diseases. Drug Metab Pharmacokinet 2022; 42:100432. [PMID: 34974335 PMCID: PMC8585960 DOI: 10.1016/j.dmpk.2021.100432] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 01/10/2023]
Abstract
Replication-incompetent adenovirus (Ad) vectors have been widely used as gene delivery vehicles in both gene therapy studies and basic studies for gene function analysis due to their highly advantageous properties, which include high transduction efficiencies, relatively large capacities for transgenes, and high titer production. In addition, Ad vectors induce moderate levels of innate immunity and have relatively high thermostability, making them very attractive as potential vaccine vectors. Accordingly, it is anticipated that Ad vectors will be used in vaccines for the prevention of infectious diseases, including Ebola virus disease and acquired immune deficiency syndrome (AIDS). Much attention is currently focused on the potential use of an Ad vector vaccine for coronavirus disease 2019 (COVID-19). In this review, we describe the basic properties of an Ad vector, Ad vector-induced innate immunity and immune responses to Ad vector-produced transgene products. Development of novel Ad vectors which can overcome the drawbacks of conventional Ad vector vaccines and clinical application of Ad vector vaccines to several infectious diseases are also discussed.
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Affiliation(s)
- Fuminori Sakurai
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan.
| | - Masashi Tachibana
- Project for Vaccine and Immune Regulation, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; Global Center for Medical Engineering and Informatics, Osaka University, Osaka, Japan
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; Global Center for Medical Engineering and Informatics, Osaka University, Osaka, Japan; Laboratory of Hepatocyte Regulation, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Osaka, Japan.
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30
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Ban W, Guan J, Huang H, He Z, Sun M, Liu F, Sun J. Emerging systemic delivery strategies of oncolytic viruses: A key step toward cancer immunotherapy. NANO RESEARCH 2022; 15:4137-4153. [PMID: 35194488 PMCID: PMC8852960 DOI: 10.1007/s12274-021-4031-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/24/2021] [Accepted: 11/28/2021] [Indexed: 05/16/2023]
Abstract
Oncolytic virotherapy (OVT) is a novel type of immunotherapy that induces anti-tumor responses through selective self-replication within cancer cells and oncolytic virus (OV)-mediated immunostimulation. Notably, talimogene laherparepvec (T-Vec) developed by the Amgen company in 2015, is the first FDA-approved OV product to be administered via intratumoral injection and has been the most successful OVT treatment. However, the systemic administration of OVs still faces huge challenges, including in vivo pre-existing neutralizing antibodies and poor targeting delivery efficacy. Recently, state-of-the-art progress has been made in the development of systemic delivery of OVs, which demonstrates a promising step toward broadening the scope of cancer immunotherapy and improving the clinical efficacy of OV delivery. Herein, this review describes the general characteristics of OVs, focusing on the action mechanisms of OVs as well as the advantages and disadvantages of OVT. The emerging multiple systemic administration approaches of OVs are summarized in the past five years. In addition, the combination treatments between OVT and traditional therapies (chemotherapy, thermotherapy, immunotherapy, and radiotherapy, etc.) are highlighted. Last but not least, the future prospects and challenges of OVT are also discussed, with the aim of facilitating medical researchers to extensively apply the OVT in the cancer therapy.
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Affiliation(s)
- Weiyue Ban
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Jianhuan Guan
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Hanwei Huang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110016 China
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Mengchi Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Funan Liu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110016 China
| | - Jin Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
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31
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Calcaterra G, Bassareo PP, De Gregorio C, Barilla F, Romeo F, Mehta JL. COVID-19 Vaccine-Induced Pro-thrombotic Immune Thrombocytopenia (VIPIT): State of the Art. Curr Cardiol Rev 2022; 18:11-17. [PMID: 35319381 PMCID: PMC9896421 DOI: 10.2174/1573403x18666220321105909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/03/2021] [Accepted: 01/07/2022] [Indexed: 11/22/2022] Open
Abstract
In 2020, as the severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) pandemic spread rapidly throughout the world, scientists worked relentlessly to develop and test the safety and effectiveness of potential vaccines. Usually, the vaccine development process involves years of investigation and testing prior to gaining approval for use in practice. A pathogenic PF4-dependent syndrome, unrelated to the use of heparin therapy, may be manifested following the administration of viral vector vaccines. It leads to severe clot formation at unusual sites approximately in 1 out of 110.000 vaccinated persons. This side effect, although rare, represents a newly devastating clotting phenomenon manifested in otherwise healthy young adults, who are often female. An in-depth description of the specific biological mechanisms implicated in the syndrome is here summarized.
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Affiliation(s)
| | - Pier Paolo Bassareo
- Address correspondence to this author at the University College of Dublin, School of Medicine, Mater Misericordiae University Hospital, Dublin, Republic of Ireland; E-mail:
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32
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Meyer KJ, Pellack D, Hedberg-Buenz A, Pomernackas N, Soukup D, Wang K, Fingert JH, Anderson MG. Recombinant adenovirus causes prolonged mobilization of macrophages in the anterior chambers of mice. Mol Vis 2021; 27:741-756. [PMID: 35136346 PMCID: PMC8763664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 12/28/2021] [Indexed: 12/04/2022] Open
Abstract
PURPOSE Ocular tissues of mice have been studied in many ways using replication-deficient species C type 5 adenovirus (Ad5) as a tool for manipulating gene expression. Whereas refinements to injection protocols and tropism have led to several advances in targeting cells of interest, there remains a relative lack of information concerning how Ad5 may influence other ocular cell types capable of confounding experimental interpretation. Here, a slit lamp is used to thoroughly photodocument the sequelae of intraocular Ad5 injections over time in mice, with attention to potentially confounding indices of inflammation. METHODS A cohort of C57BL/6J mice was randomly split into three groups (Virus, receiving unilateral intracameral injection with 5×107 plaque-forming units (pfu) of a cargo-less Ad5 construct; Saline, receiving unilateral balanced salt solution injection; and Naïve, receiving no injections). From this initial experiment, a total of 52 eyes from 26 mice were photodocumented via slit lamp at four time points (baseline and 1, 3, and 10 weeks following initiation of the experiment) by an observer masked to treatments and other parameters of the experimental design. Following the last in vivo exam, tissues were collected. Based on the slit-lamp data, tissues were studied via immunostaining with the macrophage marker F4/80. Subsequently, three iterations of the original experiment were performed with otherwise identical experimental parameters testing the effect of age, intravitreal injection, and A195 buffer, adding slit-lamp photodocumentation of an additional 32 eyes from 16 mice. RESULTS The masked investigator could use the sequential images from each mouse in the initial experiment to assign each mouse to its correct treatment group with near perfect fidelity. Virus-injected eyes were characterized by corneal damage indicative of intraocular injection and a prolonged mobilization of clump cells on the surface of the iris. Saline-injected eyes had only transient corneal opacities indicative of intraocular injections, and Naïve eyes remained normal. Immunostaining with F4/80 was consistent with ascribing the clump cells visualized via slit-lamp imaging as a type of macrophage. Experimental iterations using Ad5 indicate that all virus-injected eyes had the distinguishing feature of a prolonged presence of clump cells on the surface of the iris regardless of injection site. Mice receiving an intraocular injection of Ad5 at an advanced age displayed a protracted course of corneal cloudiness that prevented detailed visualization of the iris at the last time point. CONCLUSIONS Because the eye is often considered an "immune privileged site," we suspect that several studies have neglected to consider that the presence of Ad5 in the eye might evoke strong reactions from the innate immune system. Ad5 injection caused a sustained mobilization of clump cells-that is, macrophages. This change is likely a consequence of either direct macrophage transduction or a secondary response to cytokines produced locally by other transduced cells. Regardless of how these cells were altered, the important implication is that the adenovirus led to long-lasting changes in the environment of the anterior chamber. Thus, these findings describe a caveat of Ad5-mediated studies involving macrophage mobilization, which we encourage groups to use as a bioassay in their experiments and consider in interpretation of their ongoing experiments using adenoviruses.
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Affiliation(s)
- Kacie J. Meyer
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
| | - Danielle Pellack
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
| | - Adam Hedberg-Buenz
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
- VA Center for the Prevention and Treatment of Visual Loss, Iowa City VA Health Care System, Iowa City, IA
| | - Nicholas Pomernackas
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
| | - Dana Soukup
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
| | - Kai Wang
- Department of Biostatistics, University of Iowa, Iowa City, IA
| | - John H. Fingert
- Department of Ophthalmology and Visual Sciences, University of Iowa, Iowa City, IA
| | - Michael G. Anderson
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA
- VA Center for the Prevention and Treatment of Visual Loss, Iowa City VA Health Care System, Iowa City, IA
- Department of Ophthalmology and Visual Sciences, University of Iowa, Iowa City, IA
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Cordeiro AS, Patil-Sen Y, Shivkumar M, Patel R, Khedr A, Elsawy MA. Nanovaccine Delivery Approaches and Advanced Delivery Systems for the Prevention of Viral Infections: From Development to Clinical Application. Pharmaceutics 2021; 13:2091. [PMID: 34959372 PMCID: PMC8707864 DOI: 10.3390/pharmaceutics13122091] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 02/07/2023] Open
Abstract
Viral infections causing pandemics and chronic diseases are the main culprits implicated in devastating global clinical and socioeconomic impacts, as clearly manifested during the current COVID-19 pandemic. Immunoprophylaxis via mass immunisation with vaccines has been shown to be an efficient strategy to control such viral infections, with the successful and recently accelerated development of different types of vaccines, thanks to the advanced biotechnological techniques involved in the upstream and downstream processing of these products. However, there is still much work to be done for the improvement of efficacy and safety when it comes to the choice of delivery systems, formulations, dosage form and route of administration, which are not only crucial for immunisation effectiveness, but also for vaccine stability, dose frequency, patient convenience and logistics for mass immunisation. In this review, we discuss the main vaccine delivery systems and associated challenges, as well as the recent success in developing nanomaterials-based and advanced delivery systems to tackle these challenges. Manufacturing and regulatory requirements for the development of these systems for successful clinical and marketing authorisation were also considered. Here, we comprehensively review nanovaccines from development to clinical application, which will be relevant to vaccine developers, regulators, and clinicians.
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Affiliation(s)
- Ana Sara Cordeiro
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
| | - Yogita Patil-Sen
- Wrightington, Wigan and Leigh Teaching Hospitals NHS Foundation Trust, National Health Service, Wigan WN6 0SZ, UK;
| | - Maitreyi Shivkumar
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
| | - Ronak Patel
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, UK;
| | - Abdulwahhab Khedr
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Mohamed A. Elsawy
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
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Novel approaches in cancer treatment: preclinical and clinical development of small non-coding RNA therapeutics. J Exp Clin Cancer Res 2021; 40:383. [PMID: 34863235 PMCID: PMC8642961 DOI: 10.1186/s13046-021-02193-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/23/2021] [Indexed: 11/20/2022] Open
Abstract
Short or small interfering RNAs (siRNAs) and microRNA (miRNAs) are molecules similar in size and function able to inhibit gene expression based on their complementarity with mRNA sequences, inducing the degradation of the transcript or the inhibition of their translation. siRNAs bind specifically to a single gene location by sequence complementarity and regulate gene expression by specifically targeting transcription units via posttranscriptional gene silencing. miRNAs can regulate the expression of different gene targets through their imperfect base pairing. This process - known as RNA interference (RNAi) - modulates transcription in order to maintain a correct physiological environment, playing a role in almost the totality of the cellular pathways. siRNAs have been evolutionary evolved for the protection of genome integrity in response to exogenous and invasive nucleic acids such as transgenes or transposons. Artificial siRNAs are widely used in molecular biology for transient silencing of genes of interest. This strategy allows to inhibit the expression of any target protein of known sequence and is currently used for the treatment of different human diseases including cancer. Modifications and rearrangements in gene regions encoding for miRNAs have been found in cancer cells, and specific miRNA expression profiles characterize the developmental lineage and the differentiation state of the tumor. miRNAs with different expression patterns in tumors have been reported as oncogenes (oncomirs) or tumor-suppressors (anti-oncomirs). RNA modulation has become important in cancer research not only for development of early and easy diagnosis tools but also as a promising novel therapeutic approach. Despite the emerging discoveries supporting the role of miRNAs in carcinogenesis and their and siRNAs possible use in therapy, a series of concerns regarding their development, delivery and side effects have arisen. In this review we report the biology of miRNAs and siRNAs in relation to cancer summarizing the recent methods described to use them as novel therapeutic drugs and methods to specifically deliver them to cancer cells and overcome the limitations in the use of these molecules.
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Adenovirus Type 6: Subtle Structural Distinctions from Adenovirus Type 5 Result in Essential Differences in Properties and Perspectives for Gene Therapy. Pharmaceutics 2021; 13:pharmaceutics13101641. [PMID: 34683934 PMCID: PMC8540711 DOI: 10.3390/pharmaceutics13101641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 01/22/2023] Open
Abstract
Adenovirus vectors are the most frequently used agents for gene therapy, including oncolytic therapy and vaccine development. It’s hard to overestimate the value of adenoviruses during the COVID-19 pandemic as to date four out of four approved viral vector-based SARS-CoV-2 vaccines are developed on adenovirus platform. The vast majority of adenoviral vectors are based on the most studied human adenovirus type 5 (HAdV-C5), however, its immunogenicity often hampers the clinical translation of HAdV-C5 vectors. The search of less seroprevalent adenovirus types led to another species C adenovirus, Adenovirus type 6 (HAdV-C6). HAdV-C6 possesses high oncolytic efficacy against multiple cancer types and remarkable ability to induce the immune response towards carrying antigens. Being genetically very close to HAdV-C5, HAdV-C6 differs from HAdV-C5 in structure of the most abundant capsid protein, hexon. This leads to the ability of HAdV-C6 to evade the uptake by Kupffer cells as well as to distinct opsonization by immunoglobulins and other blood proteins, influencing the overall biodistribution of HAdV-C6 after systemic administration. This review describes the structural features of HAdV-C6, its interaction with liver cells and blood factors, summarizes the previous experiences using HAdV-C6, and provides the rationale behind the use of HAdV-C6 for vaccine and anticancer drugs developments.
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Damasceno DHP, Amaral AA, Silva CA, Simões E Silva AC. The impact of Vaccination worldwide on SARS-CoV-2 infection: A Review on Vaccine Mechanisms, Results of Clinical Trials, Vaccinal Coverage and Interactions with Novel Variants. Curr Med Chem 2021; 29:2673-2690. [PMID: 34473613 DOI: 10.2174/0929867328666210902094254] [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] [Received: 04/01/2021] [Revised: 07/03/2021] [Accepted: 07/10/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND The COVID-19 pandemic demanded a global effort towards quickly developing safe and effective vaccines against SARS-CoV-2. OBJECTIVE This review aimed to discuss the main vaccines available, their mechanisms of action, results of clinical trials and epidemiological behavior. The implications of viral variants were also debated. METHODS A non-systematic literature review was performed between February and March 2021 by searching the Pubmed, Scopus, and SciELO databases, using different combinations of the following terms: "vaccines", "clinical trials" , "SARS-CoV-2", "Coronavirus", "COVID-19", "mechanisms of action". Data regarding clinical trials of SARS-CoV-2 vaccines and epidemiological information were also searched. RESULTS The mechanisms of action included vector-virus, mRNA and inactivated virus vaccines. The vaccines showed positive results in phases 2/3 clinical trials. The efficacy of the mRNA 1273 and of mRNA BNT 162b2 vaccines were 94.1% and 95%, respectively. The effectiveness of the ChAdOx1 nCoV-19 vaccine varied according to the scheme, with an overall value of 70.4%. The Gam-COVID-Vac vaccine had an efficacy of 91.6%. Regarding the Ad26.COV2.S vaccine, 99% or more of seroconversion was observed in all subgroups 29 days after vaccination. The CoronaVac vaccine induced an immune response in 92% of the volunteers receiving 3ug and in 98% with 6ug, in comparison to 3% in the placebo group. CONCLUSION Global efforts have resulted in vaccines available in record time, with good safety and immunogenicity profile. However, only long-term studies can provide more information on duration of immunity and the need for additional doses.
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Affiliation(s)
- Douglas Henrique Pereira Damasceno
- Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG. Brazil
| | - Arthur Aguiar Amaral
- Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG. Brazil
| | - Cecília Andrade Silva
- Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG. Brazil
| | - Ana Cristina Simões E Silva
- Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG. Brazil
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Hyun H, Song JY, Seong H, Yoon JG, Noh JY, Cheong HJ, Kim WJ. Polyarthralgia and Myalgia Syndrome after ChAdOx1 nCOV-19 Vaccination. J Korean Med Sci 2021; 36:e245. [PMID: 34463066 PMCID: PMC8405407 DOI: 10.3346/jkms.2021.36.e245] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 08/16/2021] [Indexed: 01/14/2023] Open
Abstract
Since February 26, 2021, when vaccination against coronavirus disease 2019 (COVID-19) began in South Korea, patients who visited the Korea University Guro Hospital with suspected adverse events after COVID-19 vaccination were monitored actively with interest. We encountered five unusual cases of polyarthralgia and myalgia syndrome in patients who received the ChAdOx1 nCOV-19 (AstraZeneca) vaccine. The patients (median age 67 years) were not previously diagnosed with arthropathy and rheumatologic diseases. They developed fever, myalgia, joint pain, and swelling three to seven days after vaccination. The symptoms persisted for up to 47 days despite antipyretic treatment. Arthralgia occurred in multiple joints, including small and large joints. A whole-body Technetium-99m methylene diphosphonate bone scan revealed unusual uptakes in the affected joints. Non-steroidal anti-inflammatory drugs with or without prednisolone relieved the symptoms of all patients. Further monitoring is required to clarify the long-term prognosis of this syndrome.
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Affiliation(s)
- Hakjun Hyun
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Joon Young Song
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.
| | - Hye Seong
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Jin Gu Yoon
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Ji Yun Noh
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hee Jin Cheong
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Woo Joo Kim
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
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38
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Targeting CA-125 Transcription by Development of a Conditionally Replicative Adenovirus for Ovarian Cancer Treatment. Cancers (Basel) 2021; 13:cancers13174265. [PMID: 34503075 PMCID: PMC8428227 DOI: 10.3390/cancers13174265] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Ovarian cancer is the fifth most common cause of cancer-related death among women in the US, and new treatments are urgently needed to help those suffering from this deadly disease. A unique feature of ovarian cancer is that a protein called CA-125, encoded by a gene called MUC16, is highly expressed in more than 80% of patients. To date, targeting MUC16/CA-125 for ovarian cancer treatment has not been successful. Here, we describe the development of an artificial virus, called a conditionally replicative oncolytic adenovirus (CRAd), that can only grow in and destroy cancer cells that express CA-125, but not normal cells. We document promising anti-cancer effects of the virus in both human ovarian cancer cells and in animal cancer models. Collectively, our study findings suggest that the development of CRAd targeting MUC16/CA-125 represents a unique and practical approach to ovarian cancer treatment. Abstract CA-125, encoded by the MUC16 gene, is highly expressed in most ovarian cancer cells and thus serves as a tumor marker for monitoring disease progression or treatment response in ovarian cancer patients. However, targeting MUC16/CA-125 for ovarian cancer treatment has not been successful to date. In the current study, we performed multiple steps of high-fidelity PCR and obtained a 5 kb DNA fragment upstream of the human MUC16 gene. Reporter assays indicate that this DNA fragment possesses transactivation activity in CA-125-high cancer cells, but not in CA-125-low cancer cells, indicating that the DNA fragment contains the transactivation region that controls specific expression of the MUC16 gene in ovarian cancer cells. We further refined the promoter and found a 1040 bp fragment with similar transcriptional activity and specificity. We used this refined MUC16 promoter to replace the E1A promoter in the adenovirus type 5 genome DNA, where E1A is an essential gene for adenovirus replication. We then generated a conditionally replicative oncolytic adenovirus (CRAd) that replicates in and lyses CA-125-high cancer cells, but not CA-125-low or -negative cancer cells. In vivo studies showed that intraperitoneal virus injection prolonged the survival of NSG mice inoculated intraperitoneally (ip) with selected ovarian cancer cell lines. Furthermore, the CRAd replicates in and lyses primary ovarian cancer cells, but not normal cells, collected from ovarian cancer patients. Collectively, these data indicate that targeting MUC16 transactivation utilizing CRAd is a feasible approach for ovarian cancer treatment that warrants further investigation.
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Weklak D, Pembaur D, Koukou G, Jönsson F, Hagedorn C, Kreppel F. Genetic and Chemical Capsid Modifications of Adenovirus Vectors to Modulate Vector-Host Interactions. Viruses 2021; 13:1300. [PMID: 34372506 PMCID: PMC8310343 DOI: 10.3390/v13071300] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/25/2021] [Accepted: 06/27/2021] [Indexed: 12/11/2022] Open
Abstract
Adenovirus-based vectors are playing an important role as efficacious genetic vaccines to fight the current COVID-19 pandemic. Furthermore, they have an enormous potential as oncolytic vectors for virotherapy and as vectors for classic gene therapy. However, numerous vector-host interactions on a cellular and noncellular level, including specific components of the immune system, must be modulated in order to generate safe and efficacious vectors for virotherapy or classic gene therapy. Importantly, the current widespread use of Ad vectors as vaccines against COVID-19 will induce antivector immunity in many humans. This requires the development of strategies and techniques to enable Ad-based vectors to evade pre-existing immunity. In this review article, we discuss the current status of genetic and chemical capsid modifications as means to modulate the vector-host interactions of Ad-based vectors.
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Affiliation(s)
| | | | | | | | | | - Florian Kreppel
- Chair of Biochemistry and Molecular Medicine, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Street 10, 58453 Witten, Germany; (D.W.); (D.P.); (G.K.); (F.J.); (C.H.)
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40
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Aydin M, Schellhorn S, Wirth S, Zhang W, Ehrhardt A. Human Species D Adenoviruses Isolated from Diarrheal Feces Show Low Infection Rates in Primary Nasal Epithelial Cells. CHILDREN (BASEL, SWITZERLAND) 2021; 8:563. [PMID: 34208817 PMCID: PMC8307086 DOI: 10.3390/children8070563] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/27/2021] [Accepted: 06/29/2021] [Indexed: 01/20/2023]
Abstract
The importance of adenovirus (Ad) research is significantly increasing with respect to virotherapy for vaccine development, tumor, and gene therapy. Due to the different species and subtypes of this virus, the characterization of the biological significance of especially rare Ad is necessary. Previously, rare Ad types 70, 73, and 74 were originally isolated from fecal samples of immunocompromised patients and they represent recombinants of other Ad types. Here we investigated transduction experiments of these reporter gene tagged Ad types in primary cells exemplified by subject-derived primary nasal epithelial cells (NAEPCs). To analyze the transduction rates, we performed flow cytometry, quantitative polymerase chain reaction (PCR), and cytokine analyses 25 h post-infection. We found that, in contrast to Ad type 5 (as a positive control), the transduction rates of NAEPCs with Ad types 70, 73, and 74 were interestingly low. The major Ad receptor (coxsackievirus-adenovirus receptor and CD46) expression levels showed no significant change after infection with Ad types 70, 73 and 74. Moreover, Interleukin 6 (IL-6) was not released after in vitro Ad transduction. Due to the high risk of developing life-threatening complications in immunocompromised patients by these human species D Ads, even more attention needs to be investigated into the development of diagnostic and therapeutic concepts to prevent and treat those opportunistic infections in susceptible patients.
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Affiliation(s)
- Malik Aydin
- Laboratory of Experimental Pediatric Pneumology and Allergology, Center for Biomedical Education and Research, School of Life Sciences (ZBAF), Faculty of Health, Witten/Herdecke University, 58455 Witten, Germany
- Center for Child and Adolescent Medicine, Helios University Hospital Wuppertal, Witten/Herdecke University, 42283 Wuppertal, Germany;
| | - Sebastian Schellhorn
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department of Human Medicine, Faculty of Health, Witten/Herdecke University, 58455 Witten, Germany; (S.S.); (W.Z.); (A.E.)
| | - Stefan Wirth
- Center for Child and Adolescent Medicine, Helios University Hospital Wuppertal, Witten/Herdecke University, 42283 Wuppertal, Germany;
| | - Wenli Zhang
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department of Human Medicine, Faculty of Health, Witten/Herdecke University, 58455 Witten, Germany; (S.S.); (W.Z.); (A.E.)
| | - Anja Ehrhardt
- Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department of Human Medicine, Faculty of Health, Witten/Herdecke University, 58455 Witten, Germany; (S.S.); (W.Z.); (A.E.)
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Daussy CF, Pied N, Wodrich H. Understanding Post Entry Sorting of Adenovirus Capsids; A Chance to Change Vaccine Vector Properties. Viruses 2021; 13:v13071221. [PMID: 34202573 PMCID: PMC8310329 DOI: 10.3390/v13071221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 12/25/2022] Open
Abstract
Adenovirus vector-based genetic vaccines have emerged as a powerful strategy against the SARS-CoV-2 health crisis. This success is not unexpected because adenoviruses combine many desirable features of a genetic vaccine. They are highly immunogenic and have a low and well characterized pathogenic profile paired with technological approachability. Ongoing efforts to improve adenovirus-vaccine vectors include the use of rare serotypes and non-human adenoviruses. In this review, we focus on the viral capsid and how the choice of genotypes influences the uptake and subsequent subcellular sorting. We describe how understanding capsid properties, such as stability during the entry process, can change the fate of the entering particles and how this translates into differences in immunity outcomes. We discuss in detail how mutating the membrane lytic capsid protein VI affects species C viruses' post-entry sorting and briefly discuss if such approaches could have a wider implication in vaccine and/or vector development.
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Pappalardo JS, Salmaso S, Levchenko TS, Mastrotto F, Bersani S, Langellotti CA, Vermeulen M, Ghersa F, Quattrocchi V, Zamorano PI, Hartner WC, Toniutti M, Musacchio T, Torchilin VP. Characterization of a Nanovaccine Platform Based on an α1,2-Mannobiose Derivative Shows Species-non-specific Targeting to Human, Bovine, Mouse, and Teleost Fish Dendritic Cells. Mol Pharm 2021; 18:2540-2555. [PMID: 34106726 DOI: 10.1021/acs.molpharmaceut.1c00048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Dendritic cells serve as the main immune cells that trigger the immune response. We developed a simple and cost-effective nanovaccine platform based on the α1',2-mannobiose derivative for dendritic cell targeting. In previous work, we have formulated the α1,2-mannobiose-based nanovaccine platform with plasmid DNA and tested it in cattle against BoHV-1 infection. There, we have shown that the dendritic cell targeting using this nanovaccine platform in vivo can boost the immunogenicity, resulting in a long-lasting immunity. In this work, we aim to characterize the α1',2-mannobiose derivative, which is key in the nanovaccine platform. This DC-targeting strategy takes advantage of the specific receptor known as DC-SIGN and exploits its capacity to bind α1,2-mannobiose that is present at terminal ends of oligosaccharides in certain viruses, bacteria, and other pathogens. The oxidative conjugation of α1',2-mannobiose to NH2-PEG2kDa-DSPE allowed us to preserve the chemical structure of the non-reducing mannose of the disaccharide and the OH groups and the stereochemistry of all carbons of the reducing mannose involved in the binding to DC-SIGN. Here, we show specific targeting to DC-SIGN of decorated micelles incubated with the Raji/DC-SIGN cell line and uptake of targeted liposomes that took place in human, bovine, mouse, and teleost fish DCs in vitro, by flow cytometry. Specific targeting was found in all cultures, demonstrating a species-non-specific avidity for this ligand, which opens up the possibility of using this nanoplatform to develop new vaccines for various species, including humans.
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Affiliation(s)
- Juan Sebastian Pappalardo
- Veterinary Nanomedicine Group, Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB, INTA-CONICET), EEA Bariloche, Instituto Nacional de Tecnología Agropecuaria, Bote Modesta Victoria 4450, San Carlos de Bariloche, Río Negro R8403DVZ, Argentina.,Immunology and Immunomodulators Group, Instituto de Virología e Innovaciones Tecnológicas (IVIT, INTA-CONICET), IV, Instituto Nacional de Tecnología Agropecuaria, Nicolás Repetto 2799, William Morris, Buenos Aires B1681FUU, Argentina.,Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Stefano Salmaso
- Department of Pharmaceutical and Pharmacological Sciences, School of Medicine, University of Padova, Via F. Marzolo, 5, Padova 35121, Padova, Italy
| | - Tatyana S Levchenko
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Francesca Mastrotto
- Department of Pharmaceutical and Pharmacological Sciences, School of Medicine, University of Padova, Via F. Marzolo, 5, Padova 35121, Padova, Italy
| | - Sara Bersani
- Department of Pharmaceutical and Pharmacological Sciences, School of Medicine, University of Padova, Via F. Marzolo, 5, Padova 35121, Padova, Italy
| | - Cecilia A Langellotti
- Immunology and Immunomodulators Group, Instituto de Virología e Innovaciones Tecnológicas (IVIT, INTA-CONICET), IV, Instituto Nacional de Tecnología Agropecuaria, Nicolás Repetto 2799, William Morris, Buenos Aires B1681FUU, Argentina.,National Council of Scientific and Technical Research (CONICET), Avenida Rivadavia 1917, Ciudad de Buenos Aires C1033AAJ, Argentina
| | - Monica Vermeulen
- National Council of Scientific and Technical Research (CONICET), Avenida Rivadavia 1917, Ciudad de Buenos Aires C1033AAJ, Argentina.,Institute of Experimental Medicine (IMEX, ANM-CONICET), Academia Nacional de Medicina, Pacheco de Melo 3081, Ciudad de Buenos Aires C1425AUM, Argentina
| | - Federica Ghersa
- Veterinary Nanomedicine Group, Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB, INTA-CONICET), EEA Bariloche, Instituto Nacional de Tecnología Agropecuaria, Bote Modesta Victoria 4450, San Carlos de Bariloche, Río Negro R8403DVZ, Argentina.,Parasitology Laboratory, Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA, UNCo-CONICET) Universidad Nacional del Comahue, Quintral 1250, San Carlos de Bariloche, Río Negro R8400FRF, Argentina
| | - Valeria Quattrocchi
- Immunology and Immunomodulators Group, Instituto de Virología e Innovaciones Tecnológicas (IVIT, INTA-CONICET), IV, Instituto Nacional de Tecnología Agropecuaria, Nicolás Repetto 2799, William Morris, Buenos Aires B1681FUU, Argentina
| | - Patricia I Zamorano
- Immunology and Immunomodulators Group, Instituto de Virología e Innovaciones Tecnológicas (IVIT, INTA-CONICET), IV, Instituto Nacional de Tecnología Agropecuaria, Nicolás Repetto 2799, William Morris, Buenos Aires B1681FUU, Argentina.,National Council of Scientific and Technical Research (CONICET), Avenida Rivadavia 1917, Ciudad de Buenos Aires C1033AAJ, Argentina
| | - William C Hartner
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Micaela Toniutti
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Tiziana Musacchio
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
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McGonagle D, De Marco G, Bridgewood C. Mechanisms of Immunothrombosis in Vaccine-Induced Thrombotic Thrombocytopenia (VITT) Compared to Natural SARS-CoV-2 Infection. J Autoimmun 2021; 121:102662. [PMID: 34051613 PMCID: PMC8133385 DOI: 10.1016/j.jaut.2021.102662] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 02/08/2023]
Abstract
Herein, we consider venous immunothrombotic mechanisms in SARS-CoV-2 infection and anti-SARS-CoV-2 DNA vaccination. Primary SARS-CoV-2 infection with systemic viral RNA release (RNAaemia) contributes to innate immune coagulation cascade activation, with both pulmonary and systemic immunothrombosis - including venous territory strokes. However, anti-SARS-CoV-2 adenoviral-vectored-DNA vaccines -initially shown for the ChAdOx1 vaccine-may rarely exhibit autoimmunity with autoantibodies to Platelet Factor-4 (PF4) that is termed Vaccine-Induced Thrombotic Thrombocytopenia (VITT), an entity pathophysiologically similar to Heparin-Induced Thrombocytopenia (HIT). The PF4 autoantigen is a polyanion molecule capable of independent interactions with negatively charged bacterial cellular wall, heparin and DNA molecules, thus linking intravascular innate immunity to both bacterial cell walls and pathogen-derived DNA. Crucially, negatively charged extracellular DNA is a powerful adjuvant that can break tolerance to positively charged nuclear histone proteins in many experimental autoimmunity settings, including SLE and scleroderma. Analogous to DNA-histone interactons, positively charged PF4-DNA complexes stimulate strong interferon responses via Toll-Like Receptor (TLR) 9 engagement. A chain of events following intramuscular adenoviral-vectored-DNA vaccine inoculation including microvascular damage; microbleeding and platelet activation with PF4 release, adenovirus cargo dispersement with DNA-PF4 engagement may rarely break immune tolerance, leading to rare PF4-directed autoimmunity. The VITT cavernous sinus cerebral and intestinal venous territory immunothrombosis proclivity may pertain to venous drainage of shared microbiotal-rich areas of the nose and in intestines that initiates local endovascular venous immunity by PF4/microbiotal engagement with PF4 autoantibody driven immunothrombosis reminiscent of HIT. According to the proposed model, any adenovirus-vectored-DNA vaccine could drive autoimmune VITT in susceptible individuals and alternative mechanism based on molecular mimicry, vaccine protein contaminants, adenovirus vector proteins, EDTA buffers or immunity against the viral spike protein are secondary factors. Hence, electrochemical DNA-PF4 interactions and PF4-heparin interactions, but at different locations, represent the common denominator in HIT and VITT related autoimmune-mediated thrombosis.
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Affiliation(s)
- Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK; National Institute for Health Research (NIHR) Leeds Biomedical Research Centre (BRC), Leeds Teaching Hospitals, Leeds, UK
| | - Gabriele De Marco
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Charles Bridgewood
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK.
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Thrombotic events after AstraZeneca vaccine: What if it was related to dysfunctional immune response? Therapie 2021; 76:367-369. [PMID: 33892936 PMCID: PMC8057862 DOI: 10.1016/j.therap.2021.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 04/08/2021] [Indexed: 12/15/2022]
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45
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Kim DH, Park BJ, Ahn HS, Go HJ, Kim DY, Kim JH, Lee JB, Park SY, Song CS, Lee SW, Choi IS. Canine interferon lambda 3 expressed using an adenoviral vector effectively induces antiviral activity against canine influenza virus. Virus Res 2021; 296:198342. [PMID: 33607185 DOI: 10.1016/j.virusres.2021.198342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/23/2022]
Abstract
Interferon-lambda (IFN-λ) is a type-III IFN and is considered a candidate of antiviral therapeutics. Although the antiviral effects of IFN-λ have been investigated in several studies, it has not been clinically approved as an antiviral agent. In this study, an adenoviral vector expression system employing a tetracycline-operator system was developed to control the expression of canine IFN-λ3. The antiviral effects of canine IFN-λ3 were determined in Madin-Darby canine kidney cells and canine tracheal epithelial cells. After transducing each cell line with recombinant adenovirus containing canine interferon lambda3 gene (Ad-caIFNλ3), the mRNA-expression of interferon-stimulated genes Mx1, ISG15, and OAS1 increased significantly (P < 0.05). The replication of canine influenza virus (CIV) was significantly suppressed in Ad-caIFNλ3-infected cells. These results indicate that the newly constructed adenoviral vector system could express canine IFN-λ3, which could subsequently inhibit CIV replication in two canine cell lines. These data imply that the recombinant Ad-caIFNλ3 can potentially be used to treat canine influenza and other viral diseases.
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Affiliation(s)
- Dong-Hwi Kim
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Byung-Joo Park
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Hee-Seop Ahn
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Hyeon-Jeong Go
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Da-Yoon Kim
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Jae-Hyeong Kim
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Joong-Bok Lee
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Seung-Yong Park
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Chang-Seon Song
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - Sang-Won Lee
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea
| | - In-Soo Choi
- Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
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46
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Kasala D, Hong J, Yun CO. Overcoming the barriers to optimization of adenovirus delivery using biomaterials: Current status and future perspective. J Control Release 2021; 332:285-300. [PMID: 33626335 DOI: 10.1016/j.jconrel.2021.02.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 01/28/2021] [Accepted: 02/16/2021] [Indexed: 12/31/2022]
Abstract
Adenovirus (Ad) is emerging as a promising modality for cancer gene therapy due to its ability to induce high level of therapeutic transgene expression with no risk of insertional mutagenesis, ability to be facilely produced at a high titer, and capacity to induce robust antitumor immune response. Despite these excellent attributes of human serotype 5 Ad, poor systemic administration capability, coxsackie and adenovirus receptor (CAR)-dependent endocytic mechanism limiting potentially targetable cell types, nonspecific shedding to normal organs, and poor viral persistence in tumor tissues are major hindrances toward maximizing the therapeutic benefit of Ad in clinical setting. To address the abovementioned shortcomings, various non-immunogenic nanomaterials have been explored to modify Ad surface via physical or chemical interactions. In this review, we summarize the recent developments of different types of nanomaterials that had been utilized for modification of Ad and how tumor-targeted local and system delivery can be achieved with these nanocomplexes. Finally, we conclude by highlighting the key features of various nanomaterials-coated Ads and their prospects to optimize the delivery of virus.
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Affiliation(s)
- Dayananda Kasala
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - JinWoo Hong
- GeneMedicine Co., Ltd, Seoul 04763, Republic of Korea
| | - Chae-Ok Yun
- Department of Bioengineering, College of Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; Institute of Nano Science and Technology (INST), Hanyang University, Seoul 04763, Republic of Korea; GeneMedicine Co., Ltd, Seoul 04763, Republic of Korea.
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47
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Li C, Wang H, Georgakopoulou A, Gil S, Yannaki E, Lieber A. In Vivo HSC Gene Therapy Using a Bi-modular HDAd5/35++ Vector Cures Sickle Cell Disease in a Mouse Model. Mol Ther 2021; 29:822-837. [PMID: 32949495 PMCID: PMC7854285 DOI: 10.1016/j.ymthe.2020.09.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/21/2020] [Accepted: 09/01/2020] [Indexed: 12/26/2022] Open
Abstract
We have recently reported that, after in vivo hematopoietic stem cell/progenitor (HSPC) transduction with HDAd5/35++ vectors, SB100x transposase-mediated γ-globin gene addition achieved 10%-15% γ-globin of adult mouse globin, resulting in significant but incomplete phenotypic correction in a thalassemia intermedia mouse model. Furthermore, genome editing of a γ-globin repressor binding site within the γ-globin promoter by CRISPR-Cas9 results in efficient reactivation of endogenous γ-globin. Here, we aimed to combine these two mechanisms to obtain curative levels of γ-globin after in vivo HSPC transduction. We generated a HDAd5/35++ adenovirus vector (HDAd-combo) containing both modules and tested it in vitro and after in vivo HSPC transduction in healthy CD46/β-YAC mice and in a sickle cell disease mouse model (CD46/Townes). Compared to HDAd vectors containing either the γ-globin addition or the CRISPR-Cas9 reactivation units alone, in vivo HSC transduction of CD46/Townes mice with the HDAd-combo resulted in significantly higher γ-globin in red blood cells, reaching 30% of that of adult human α and βS chains and a complete phenotypic correction of sickle cell disease.
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Affiliation(s)
- Chang Li
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA
| | - Hongjie Wang
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA
| | - Aphrodite Georgakopoulou
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA; Gene and Cell Therapy Center, Hematology Department, George Papanicolaou Hospital, Thessaloniki 57010, Greece
| | - Sucheol Gil
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA
| | - Evangelia Yannaki
- Gene and Cell Therapy Center, Hematology Department, George Papanicolaou Hospital, Thessaloniki 57010, Greece
| | - André Lieber
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA; Department of Pathology, University of Washington, Seattle, WA 98195, USA.
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Baker AT, Davies JA, Bates EA, Moses E, Mundy RM, Marlow G, Cole DK, Bliss CM, Rizkallah PJ, Parker AL. The Fiber Knob Protein of Human Adenovirus Type 49 Mediates Highly Efficient and Promiscuous Infection of Cancer Cell Lines Using a Novel Cell Entry Mechanism. J Virol 2021; 95:e01849-20. [PMID: 33268514 PMCID: PMC7851562 DOI: 10.1128/jvi.01849-20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/19/2020] [Indexed: 02/07/2023] Open
Abstract
The human adenovirus (HAdV) phylogenetic tree is diverse, divided across seven species and comprising over 100 individual types. Species D HAdV are rarely isolated with low rates of preexisting immunity, making them appealing for therapeutic applications. Several species D vectors have been developed as vaccines against infectious diseases, where they induce robust immunity in preclinical models and early phase clinical trials. However, many aspects of the basic virology of species D HAdV, including their basic receptor usage and means of cell entry, remain understudied. Here, we investigated HAdV-D49, which previously has been studied for vaccine and vascular gene transfer applications. We generated a pseudotyped HAdV-C5 presenting the HAdV-D49 fiber knob protein (HAdV-C5/D49K). This pseudotyped vector was efficient at infecting cells devoid of all known HAdV receptors, indicating HAdV-D49 uses an unidentified cellular receptor. Conversely, a pseudotyped vector presenting the fiber knob protein of the closely related HAdV-D30 (HAdV-C5/D30K), differing in four amino acids from HAdV-D49, failed to demonstrate the same tropism. These four amino acid changes resulted in a change in isoelectric point of the knob protein, with HAdV-D49K possessing a basic apical region compared to a more acidic region in HAdV-D30K. Structurally and biologically we demonstrate that HAdV-D49 knob protein is unable to engage CD46, while potential interaction with coxsackievirus and adenovirus receptor (CAR) is extremely limited by extension of the DG loop. HAdV-C5/49K efficiently transduced cancer cell lines of pancreatic, breast, lung, esophageal, and ovarian origin, indicating it may have potential for oncolytic virotherapy applications, especially for difficult to transduce tumor types.IMPORTANCE Adenoviruses are powerful tools experimentally and clinically. To maximize efficacy, the development of serotypes with low preexisting levels of immunity in the population is desirable. Consequently, attention has focused on those derived from species D, which have proven robust vaccine platforms. This widespread usage is despite limited knowledge in their basic biology and cellular tropism. We investigated the tropism of HAdV-D49, demonstrating that it uses a novel cell entry mechanism that bypasses all known HAdV receptors. We demonstrate, biologically, that a pseudotyped HAdV-C5/D49K vector efficiently transduces a wide range of cell lines, including those presenting no known adenovirus receptor. Structural investigation suggests that this broad tropism is the result of a highly basic electrostatic surface potential, since a homologous pseudotyped vector with a more acidic surface potential, HAdV-C5/D30K, does not display a similar pantropism. Therefore, HAdV-C5/D49K may form a powerful vector for therapeutic applications capable of infecting difficult to transduce cells.
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Affiliation(s)
- Alexander T Baker
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - James A Davies
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Emily A Bates
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Elise Moses
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Rosie M Mundy
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Gareth Marlow
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - David K Cole
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Carly M Bliss
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Pierre J Rizkallah
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Alan L Parker
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
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49
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McGonagle D, Bridgewood C, Ramanan AV, Meaney JFM, Watad A. COVID-19 vasculitis and novel vasculitis mimics. LANCET RHEUMATOLOGY 2021; 3:e224-e233. [PMID: 33521655 PMCID: PMC7832717 DOI: 10.1016/s2665-9913(20)30420-3] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
COVID-19 has been occasionally linked to histologically confirmed cutaneous vasculitis and a Kawasaki-like vasculitis, with these entities generally having minimal or no lung involvement and a good prognosis. Unlike these vasculitis types, patients with severe COVID-19 pneumonia can develop cutaneous vasculitis-like lesions and systemic arterial and venous thromboemboli, including cryptogenic strokes and other vasculopathy features. Proposed underlying mechanisms for these severe manifestations have encompassed immune dysregulation, including an anti-phospholipid syndrome-like state, complement activation, viral dissemination with direct systemic endothelial infection, viral RNAaemia with immunothrombosis, clotting pathway activation mediated by hypoxaemia, and immobility. In this Viewpoint, we highlight how imaging and post-mortem findings from patients with COVID-19 indicate a novel thrombosis in the pulmonary venous territory distal to the alveolar capillary bed, a territory that normally acts as a clot filtration system, which might represent an unappreciated nidus for systemic microembolism. Additionally, we suggest that this mechanism represents a novel vasculitis mimic related to COVID-19 that might lead to cryptogenic strokes across multivessel territories, acute kidney injury with haematuria, a skin vasculitis mimic, intestinal ischaemia, and other organ ischaemic manifestations. This finding is supported by pathological reports of extensive pulmonary venular thrombosis and peripheral organ thrombosis with pauci-immune cellular infiltrates. Therefore, severe COVID-19 pneumonia with extensive pulmonary intravascular coagulopathy might help to explain the numerous systemic complications of COVID-19, in which the demonstration of direct organ infection has not adequately explained the pathology.
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Affiliation(s)
- Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals, Leeds, UK
| | - Charlie Bridgewood
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Athimalaipet V Ramanan
- University Hospitals Bristol NHS Foundation Trust and Bristol Medical School, University of Bristol, Bristol, UK
| | - James F M Meaney
- Department of Radiology, St James Hospital and The Thomas Mitchell Centre for Advanced Medical Imaging, Trinity College Dublin, Dublin, Ireland
| | - Abdulla Watad
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,Department of Medicine B, Rheumatology Unit, Sheba Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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50
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The superior role of coagulation factor FX over FVII in adenoviral-mediated innate immune induction of the hepatocyte: an in vitro experiment. Clin Exp Hepatol 2020; 6:199-206. [PMID: 33145426 PMCID: PMC7592097 DOI: 10.5114/ceh.2020.99512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 04/23/2020] [Indexed: 01/07/2023] Open
Abstract
Aim of the study To better understanding the contribution of coagulation factors to the extent of adenovirus-mediated innate toxicity on the hepatocyte. Material and methods Adenovirus-36 (AD) and adenovector type 5-GFP (Ad5-GFP) were propagated and titered; then, they were loaded with coagulation factors VII or X. The complex of adenovirus with coagulation factor VII and X were for size and charge parameters. After adding AD-VII and AD-X complexes, the expression levels of innate inflammatory genes including protein kinase R (PKR), interleukin (IL)-1β, IL-8 and IL-18 were measured by Real-time PCR on a hepatocellular carcinoma cell line, HepG2. Results The loading of coagulation factors VII and X on Ad5-GFP enhanced the transduction rate up to 50% and 60% (p < 0.05), respectively, compared to the adenovector alone (30%) (p < 0.05). The formation of the coagulation factor-virus complex leads to multimodal size distribution with an increase in average hydrodynamic size and absolute zeta potential. The qPCR results showed that PKR expression increased significantly after treatment with all adenoviruses. These findings also showed that AD had a significant (p = 0.0152) inflammatory impact on Hep-G2. However, AD which was loaded with FX (AD-X) exhibited the most inflammatory effect (p = 0.0164). Significantly, the expression of IL-1β (p = 0.0041), IL-8 (p = 0.0107) and IL-18 (p = 0.0193) were also enhanced following FX loading. On the other hand, the AD-VII complex showed the least effect of innate immune induction when compared to the negative control (p < 0.05). Conclusions The loading of coagulation factors, particularly FX, could enhance the transduction efficiency of Ad5-GFP. Furthermore, adenovirus loaded with FX exhibited more innate toxicity on the hepatocytes, while it was not the case for FVII.
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