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Deng S, Liang H, Chen P, Li Y, Li Z, Fan S, Wu K, Li X, Chen W, Qin Y, Yi L, Chen J. Viral Vector Vaccine Development and Application during the COVID-19 Pandemic. Microorganisms 2022; 10:microorganisms10071450. [PMID: 35889169 PMCID: PMC9317404 DOI: 10.3390/microorganisms10071450] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/08/2022] [Accepted: 07/15/2022] [Indexed: 12/14/2022] Open
Abstract
With the accumulation of mutations in SARS-CoV-2 and the continuous emergence of new variants, the importance of developing safer and effective vaccines has become more prominent in combating the COVID-19 pandemic. Both traditional and genetically engineered vaccines have contributed to the prevention and control of the pandemic. However, in recent years, the trend of vaccination research has gradually transitioned from traditional to genetically engineered vaccines, with the development of viral vector vaccines attracting increasing attention. Viral vector vaccines have several unique advantages compared to other vaccine platforms. The spread of Omicron has also made the development of intranasal viral vector vaccines more urgent, as the infection site of Omicron is more prominent in the upper respiratory tract. Therefore, the present review focuses on the development of viral vector vaccines and their application during the COVID-19 pandemic.
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Affiliation(s)
- Shaofeng Deng
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China;
- State Key Laboratory for Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Hui Liang
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
| | - Pin Chen
- Oriental Fortune Capital Post-Doctoral Innovation Center, Shenzhen 518055, China;
- Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yuwan Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Zhaoyao Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Shuangqi Fan
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Keke Wu
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Xiaowen Li
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Wenxian Chen
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Yuwei Qin
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
| | - Lin Yi
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
- Correspondence: (L.Y.); (J.C.)
| | - Jinding Chen
- College of Veterinary Medicine, South China Agricultural University, No. 483 Wushan Road, Tianhe District, Guangzhou 510642, China; (H.L.); (Y.L.); (Z.L.); (S.F.); (K.W.); (X.L.); (W.C.); (Y.Q.)
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China
- Correspondence: (L.Y.); (J.C.)
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Zhao Y, Zhao L, Li Y, Liu Q, Deng L, Lu Y, Zhang X, Li S, Ge J, Bu Z, Ping J. An influenza virus vector candidate vaccine stably expressing SARS-CoV-2 receptor-binding domain produces high and long-lasting neutralizing antibodies in mice. Vet Microbiol 2022; 271:109491. [PMID: 35714529 PMCID: PMC9181763 DOI: 10.1016/j.vetmic.2022.109491] [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: 03/03/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 11/29/2022]
Abstract
Viral infectious pathogens, such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and influenza virus, can cause extremely high infection rates and mortality in humans. Therefore, it is urgent to develop an effective vaccine against coronavirus and influenza virus infection. Herein, we used the influenza virus as a vector to express the SARS-CoV-2 spike receptor-binding domain (RBD) and hemagglutinin-esterase-fusion (HEF) protein of the influenza C virus. We then evaluated the feasibility and effectiveness of this design strategy through experiments in vitro and in vivo. The results showed that the chimeric viruses could stably express the HEF protein and the SARS-CoV-2 spike RBD at a high level. BALB/c mice, infected with the chimeric virus, exhibited mild clinical symptoms, yet produced high specific antibody levels against RBD and HEF, including neutralizing antibodies. Importantly, high neutralizing antibodies could be retained in the sera of mice for at least 20 weeks. Altogether, our data provided a new strategy for developing safe and effective COVID-19 and influenza virus vaccines.
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Affiliation(s)
- Yongzhen Zhao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Lingcai Zhao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yingfei Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Qingzheng Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Lulu Deng
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yuanlu Lu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Xiaoting Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Shengmin Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
| | - Jinying Ge
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China.
| | - Zhigao Bu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China.
| | - Jihui Ping
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
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Vimalajeewa D, Balasubramaniam S, Berry DP, Barry G. Virus particle propagation and infectivity along the respiratory tract and a case study for SARS-CoV-2. Sci Rep 2022; 12:7666. [PMID: 35538182 PMCID: PMC9088735 DOI: 10.1038/s41598-022-11816-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 04/22/2022] [Indexed: 11/09/2022] Open
Abstract
Respiratory viruses including Respiratory Syncytial Virus, influenza virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) cause serious and sometimes fatal disease in thousands of people annually. Understanding virus propagation dynamics within the respiratory system is critical because new insights will increase our understanding of virus pathogenesis and enable infection patterns to be more predictable in vivo, which will enhance our ability to target vaccine and drug delivery. This study presents a computational model of virus propagation within the respiratory tract network. The model includes the generation network branch structure of the respiratory tract, biophysical and infectivity properties of the virus, as well as air flow models that aid the circulation of the virus particles. As a proof of principle, the model was applied to SARS-CoV-2 by integrating data about its replication-cycle, as well as the density of Angiotensin Converting Enzyme expressing cells along the respiratory tract network. Using real-world physiological data associated with factors such as the respiratory rate, the immune response and virus load that is inhaled, the model can improve our understanding of the concentration and spatiotemporal dynamics of the virus. We collected experimental data from a number of studies and integrated them with the model in order to show in silico how the virus load propagates along the respiratory network branches.
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Affiliation(s)
- Dixon Vimalajeewa
- Department of Statistics, Texas A & M University, College Station, TX, USA.
| | | | - Donagh P Berry
- Teagasc, Animal & Grassland Research and Innovation Center, Moorepark, Cork, Ireland
| | - Gerald Barry
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
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Chang A, Yu J. Fighting Fire with Fire: Immunogenicity of Viral Vectored Vaccines against COVID-19. Viruses 2022; 14:380. [PMID: 35215973 PMCID: PMC8874888 DOI: 10.3390/v14020380] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/09/2022] [Accepted: 02/09/2022] [Indexed: 11/16/2022] Open
Abstract
The persistent expansion of the coronavirus disease 2019 (COVID-19) global pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) requires the rapid development of safe and effective countermeasures to reduce transmission, morbidity, and mortality. Several highly efficacious vaccines are actively being deployed around the globe to expedite mass vaccination and control of COVID-19. Notably, viral vectored vaccines (VVVs) are among the first to be approved for global distribution and use. In this review, we examine the humoral, cellular, and innate immune responses elicited by viral vectors, and the immune correlates of protection against COVID-19 in preclinical and clinical studies. We also discuss the durability and breadth of immune response induced by VVVs and boosters. Finally, we present challenges associated with VVVs and offer solutions for overcoming certain limitations of current vaccine regimens. Collectively, this review provides the rationale for expanding the portfolio of VVVs against SARS-CoV-2.
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MESH Headings
- Animals
- Antibodies, Neutralizing/blood
- Antibodies, Neutralizing/immunology
- Antibodies, Viral/blood
- Antibodies, Viral/immunology
- COVID-19/immunology
- COVID-19/prevention & control
- COVID-19 Vaccines/genetics
- COVID-19 Vaccines/immunology
- Clinical Trials as Topic
- Disease Models, Animal
- Genetic Vectors/immunology
- Immunity, Cellular
- Immunity, Humoral
- Immunity, Innate
- Immunization, Secondary
- Immunogenicity, Vaccine
- SARS-CoV-2/immunology
- Spike Glycoprotein, Coronavirus/genetics
- Vaccination
- Viral Vaccines/classification
- Viral Vaccines/genetics
- Viral Vaccines/immunology
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Affiliation(s)
- Aiquan Chang
- Beth Israel Deaconess Medical Center, Center for Virology and Vaccine Research, Harvard Medical School, Boston, MA 02115, USA
| | - Jingyou Yu
- Beth Israel Deaconess Medical Center, Center for Virology and Vaccine Research, Harvard Medical School, Boston, MA 02115, USA
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Salehi-Vaziri M, Fazlalipour M, Seyed Khorrami SM, Azadmanesh K, Pouriayevali MH, Jalali T, Shoja Z, Maleki A. The ins and outs of SARS-CoV-2 variants of concern (VOCs). Arch Virol 2022; 167:327-344. [PMID: 35089389 PMCID: PMC8795292 DOI: 10.1007/s00705-022-05365-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/16/2021] [Indexed: 02/07/2023]
Abstract
SARS-CoV-2, a newly emerging coronavirus that caused the COVID-19 epidemic, has been spreading quickly throughout the world. Despite immunization and some fairly effective therapeutic regimens, SARS-CoV-2 has been ravaging patients, health workers, and the economy. SARS-CoV-2 mutates and evolves to adapt to its host as a result of extreme selection pressure. As a consequence, new SARS-CoV-2 variants have emerged, some of which are classified as variants of concern (VOC) because they exhibit greater transmissibility, cause more-severe disease, are better able to escape immunity, or cause higher mortality than the original Wuhan strain. Here, we introduce these VOCs and review their characteristics, such as transmissibility, immune escape, mortality risk, and diagnostics.
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Affiliation(s)
- Mostafa Salehi-Vaziri
- COVID-19 National Reference Laboratory, Pasteur Institute of Iran, 69 Pasteur Ave, 1316943551, Tehran, Iran
- Department of Arboviruses and Viral Hemorrhagic Fevers (National Reference Laboratory), Pasteur Institute of Iran, Tehran, Iran
- Research Center for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
| | - Mehdi Fazlalipour
- COVID-19 National Reference Laboratory, Pasteur Institute of Iran, 69 Pasteur Ave, 1316943551, Tehran, Iran
| | | | - Kayhan Azadmanesh
- Research Center for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
- Department of Molecular Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Hassan Pouriayevali
- COVID-19 National Reference Laboratory, Pasteur Institute of Iran, 69 Pasteur Ave, 1316943551, Tehran, Iran
- Department of Arboviruses and Viral Hemorrhagic Fevers (National Reference Laboratory), Pasteur Institute of Iran, Tehran, Iran
| | - Tahmineh Jalali
- COVID-19 National Reference Laboratory, Pasteur Institute of Iran, 69 Pasteur Ave, 1316943551, Tehran, Iran
- Department of Arboviruses and Viral Hemorrhagic Fevers (National Reference Laboratory), Pasteur Institute of Iran, Tehran, Iran
| | - Zabihollah Shoja
- Department of Molecular Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Maleki
- COVID-19 National Reference Laboratory, Pasteur Institute of Iran, 69 Pasteur Ave, 1316943551, Tehran, Iran.
- Department of Molecular Virology, Pasteur Institute of Iran, Tehran, Iran.
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Longo SK, Guo MG, Ji AL, Khavari PA. Integrating single-cell and spatial transcriptomics to elucidate intercellular tissue dynamics. Nat Rev Genet 2021; 22:627-644. [PMID: 34145435 PMCID: PMC9888017 DOI: 10.1038/s41576-021-00370-8] [Citation(s) in RCA: 393] [Impact Index Per Article: 131.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/29/2021] [Indexed: 02/07/2023]
Abstract
Single-cell RNA sequencing (scRNA-seq) identifies cell subpopulations within tissue but does not capture their spatial distribution nor reveal local networks of intercellular communication acting in situ. A suite of recently developed techniques that localize RNA within tissue, including multiplexed in situ hybridization and in situ sequencing (here defined as high-plex RNA imaging) and spatial barcoding, can help address this issue. However, no method currently provides as complete a scope of the transcriptome as does scRNA-seq, underscoring the need for approaches to integrate single-cell and spatial data. Here, we review efforts to integrate scRNA-seq with spatial transcriptomics, including emerging integrative computational methods, and propose ways to effectively combine current methodologies.
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Affiliation(s)
- Sophia K. Longo
- Program in Epithelial Biology, Stanford University, Stanford, CA, USA,Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Margaret G. Guo
- Program in Epithelial Biology, Stanford University, Stanford, CA, USA,Stanford Cancer Institute, Stanford University, Stanford, CA, USA,Program in Biomedical Informatics, Stanford University, Stanford, CA, USA
| | - Andrew L. Ji
- Program in Epithelial Biology, Stanford University, Stanford, CA, USA,Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Paul A. Khavari
- Program in Epithelial Biology, Stanford University, Stanford, CA, USA,Stanford Cancer Institute, Stanford University, Stanford, CA, USA,Veterans Affairs Palo Alto Healthcare System, Palo Alto, CA, USA
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Abstract
Long-read sequencing technologies have now reached a level of accuracy and yield that allows their application to variant detection at a scale of tens to thousands of samples. Concomitant with the development of new computational tools, the first population-scale studies involving long-read sequencing have emerged over the past 2 years and, given the continuous advancement of the field, many more are likely to follow. In this Review, we survey recent developments in population-scale long-read sequencing, highlight potential challenges of a scaled-up approach and provide guidance regarding experimental design. We provide an overview of current long-read sequencing platforms, variant calling methodologies and approaches for de novo assemblies and reference-based mapping approaches. Furthermore, we summarize strategies for variant validation, genotyping and predicting functional impact and emphasize challenges remaining in achieving long-read sequencing at a population scale.
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Affiliation(s)
- Wouter De Coster
- Applied and Translational Neurogenomics Group, VIB Center for Molecular Neurology, VIB, Antwerp, Belgium
- Applied and Translational Neurogenomics Group, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | | | - Fritz J Sedlazeck
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.
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