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Ghonaim AH, Rouby SR, Nageeb WM, Elgendy AA, Xu R, Jiang C, Ghonaim NH, He Q, Li W. Insights into Recent Advancements in Human and Animal Rotavirus Vaccines: Exploring New Frontiers. Virol Sin 2024:S1995-820X(24)00194-9. [PMID: 39672271 DOI: 10.1016/j.virs.2024.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2024] [Accepted: 12/10/2024] [Indexed: 12/15/2024] Open
Abstract
Rotavirus infections cause severe gastroenteritis and dehydration in young children and animals worldwide, leading to high rates of morbidity and mortality, predominantly in low- and middle-income countries. In the past decade, substantial progress has been made in the development and implementation of rotavirus vaccines, which have been essential in alleviating the global burden of this disease, not only in human being but also in livestock species like calves and piglets, where these infections can cause significant economic losses. By synthesizing the latest research and real-world evidence, this review article is designated to provide deep insights into the current state of rotavirus vaccine technology and its global implementation as well as the application of rotavirus vaccines in veterinary settings and their importance in controlling zoonotic transmission and maintaining food security.
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Affiliation(s)
- Ahmed H Ghonaim
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China; Desert Research Center, Cairo 11435, Egypt
| | - Sherin R Rouby
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Wedad M Nageeb
- Medical Microbiology and Immunology Department, Faculty of Medicine, Suez Canal University, Ismailia, 41111, Egypt
| | - Ashraf Ahmed Elgendy
- Department of Immunology, Faculty of Medicine, New Kaser Al-Aini Teaching Hospital, Cairo University, 11435, Egypt
| | - Rong Xu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Changsheng Jiang
- Anhui Provincial Key Laboratory of Animal Nutritional Regulation and Health, College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Noha H Ghonaim
- Family Medicine Department, Faculty of Medicine, Suez Canal University, Ismailia, 41111, Egypt
| | - Qigai He
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Wentao Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China.
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Bastami M, Hosseini R. The codon optimised gene produces an active human basic fibroblastic growth factor in rice cell suspension culture. Growth Factors 2024:1-17. [PMID: 39485262 DOI: 10.1080/08977194.2024.2423747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 10/23/2024] [Indexed: 11/03/2024]
Abstract
The coding sequence of human basic fibroblast growth factor (hbFGF) was optimised for expression in rice. An expression cassette was constructed by fusing the PCR-amplified RAmy3D promoter, along with its 5'UTR, 3'UTR, and terminator sequences, to the codon-optimised hbFGF sequence. This cassette was inserted into the pCAMBIA1304 shuttle vector, which also contained the RAmy3D signal peptide. Agrobacterium tumefaciens strain LBA 4404 was used to transform rice callus. Among the transformed lines, the callus expressing the highest level of bFGF (38.1 mg/kg fresh weight) was identified via ELISA and selected for establishing a cell suspension culture. Expression and secretion of the recombinant bFGF into the culture medium were observed three days after incubating the transgenic rice cells in sucrose-free medium. The presence of recombinant bFGF was confirmed through Western blot and SDS-PAGE analyses. Furthermore, the rice-derived bFGF effectively stimulated the proliferation of NIH/3T3 cells, demonstrating a comparable biological activity to that of commercial bFGF.
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Affiliation(s)
- Meysam Bastami
- Department of Biotechnology, Faculty of Agriculture and Natural Resources, Imam Khomeini International University, Qazvin, Iran
| | - Ramin Hosseini
- Department of Biotechnology, Faculty of Agriculture and Natural Resources, Imam Khomeini International University, Qazvin, Iran
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Omatola CA, Mshelbwala PP, Okolo MLO, Onoja AB, Abraham JO, Adaji DM, Samson SO, Okeme TO, Aminu RF, Akor ME, Ayeni G, Muhammed D, Akoh PQ, Ibrahim DS, Edegbo E, Yusuf L, Ocean HO, Akpala SN, Musa OA, Adamu AM. Noroviruses: Evolutionary Dynamics, Epidemiology, Pathogenesis, and Vaccine Advances-A Comprehensive Review. Vaccines (Basel) 2024; 12:590. [PMID: 38932319 PMCID: PMC11209302 DOI: 10.3390/vaccines12060590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
Noroviruses constitute a significant aetiology of sporadic and epidemic gastroenteritis in human hosts worldwide, especially among young children, the elderly, and immunocompromised patients. The low infectious dose of the virus, protracted shedding in faeces, and the ability to persist in the environment promote viral transmission in different socioeconomic settings. Considering the substantial disease burden across healthcare and community settings and the difficulty in controlling the disease, we review aspects related to current knowledge about norovirus biology, mechanisms driving the evolutionary trends, epidemiology and molecular diversity, pathogenic mechanism, and immunity to viral infection. Additionally, we discuss the reservoir hosts, intra-inter host dynamics, and potential eco-evolutionary significance. Finally, we review norovirus vaccines in the development pipeline and further discuss the various host and pathogen factors that may complicate vaccine development.
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Affiliation(s)
- Cornelius Arome Omatola
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | | | | | - Anyebe Bernard Onoja
- Department of Virology, University College Hospital, Ibadan 211101, Oyo State, Nigeria
| | - Joseph Oyiguh Abraham
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | - David Moses Adaji
- Department of Biotechnology Science and Engineering, University of Alabama, Huntsville, AL 35899, USA
| | - Sunday Ocholi Samson
- Department of Molecular Biology, Biotechnology, and Biochemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 29, 50-370 Wrocław, Poland
| | - Therisa Ojomideju Okeme
- Department of Biological Sciences, Federal University Lokoja, Lokoja 260101, Kogi State, Nigeria
| | - Ruth Foluke Aminu
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | - Monday Eneojo Akor
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | - Gideon Ayeni
- Department of Biochemistry, Kogi State University, Anyigba 272102, Kogi State, Nigeria
| | - Danjuma Muhammed
- Epidemiology and Public Health Unit, Department of Biology, Universiti Putra, Seri Kembangan 43300, Malaysia
| | - Phoebe Queen Akoh
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | | | - Emmanuel Edegbo
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | - Lamidi Yusuf
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | | | - Sumaila Ndah Akpala
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
- Department of Biotechnology, Federal University Lokoja, Lokoja 260101, Kogi State, Nigeria
| | - Oiza Aishat Musa
- Department of Microbiology, Kogi State University, Anyigba 272102, Kogi State, Nigeria; (C.A.O.)
| | - Andrew Musa Adamu
- Australian Institute of Tropical Health and Medicine, James Cook University, Townsville 4811, QLD, Australia
- College of Public Health Medical and Veterinary Sciences, James Cook University, Townsville 4811, QLD, Australia
- Centre for Tropical Biosecurity, James Cook University, Townsville 4811, QLD, Australia
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Bokhove M, Kawamura T, Okumura H, Goto S, Kawano Y, Werner S, Jarczowski F, Klimyuk V, Saito A, Kumasaka T. The structure of the rat vitamin B 12 transporter TC and its complex with glutathionylcobalamin. J Biol Chem 2024; 300:107289. [PMID: 38636663 PMCID: PMC11107200 DOI: 10.1016/j.jbc.2024.107289] [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: 12/21/2023] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024] Open
Abstract
Vitamin B12 (cobalamin or Cbl) functions as a cofactor in two important enzymatic processes in human cells, and life is not sustainable without it. B12 is obtained from food and travels from the stomach, through the intestine, and into the bloodstream by three B12-transporting proteins: salivary haptocorrin (HC), gastric intrinsic factor, and transcobalamin (TC), which all bind B12 with high affinity and require proteolytic degradation to liberate Cbl. After intracellular delivery of dietary B12, Cbl in the aquo/hydroxocobalamin form can coordinate various nucleophiles, for example, GSH, giving rise to glutathionylcobalamin (GSCbl), a naturally occurring form of vitamin B12. Currently, there is no data showing whether GSCbl is recognized and transported in the human body. Our crystallographic data shows for the first time the complex between a vitamin B12 transporter and GSCbl, which compared to aquo/hydroxocobalamin, binds TC equally well. Furthermore, sequence analysis and structural comparisons show that TC recognizes and transports GSCbl and that the residues involved are conserved among TCs from different organisms. Interestingly, haptocorrin and intrinsic factor are not structurally tailored to bind GSCbl. This study provides new insights into the interactions between TC and Cbl.
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Affiliation(s)
- Marcel Bokhove
- Structural Biology Division, Japan Synchrotron Radiation Research Institute (JASRI), Sayo, Hyogo, Japan.
| | - Takashi Kawamura
- Structural Biology Division, Japan Synchrotron Radiation Research Institute (JASRI), Sayo, Hyogo, Japan
| | - Hideo Okumura
- Structural Biology Division, Japan Synchrotron Radiation Research Institute (JASRI), Sayo, Hyogo, Japan
| | - Sawako Goto
- Department of Applied Molecular Medicine, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Chuo-ku, Niigata, Japan
| | - Yoshiaki Kawano
- Advanced Photon Technology Division, RIKEN SPring-8 Center, Sayo, Hyogo, Japan
| | | | | | | | - Akihiko Saito
- Department of Applied Molecular Medicine, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Chuo-ku, Niigata, Japan
| | - Takashi Kumasaka
- Structural Biology Division, Japan Synchrotron Radiation Research Institute (JASRI), Sayo, Hyogo, Japan.
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Lim S, Kwon HJ, Jeong DG, Nie H, Lee S, Ko SR, Lee KS, Ryu YB, Mason HS, Kim HS, Shin AY, Kwon SY. Enhanced binding and inhibition of SARS-CoV-2 by a plant-derived ACE2 protein containing a fused mu tailpiece. Biotechnol J 2024; 19:e2300319. [PMID: 37853601 DOI: 10.1002/biot.202300319] [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: 06/30/2023] [Revised: 09/27/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023]
Abstract
Infectious diseases such as Coronavirus disease 2019 (COVID-19) and Middle East respiratory syndrome (MERS) present an increasingly persistent crisis in many parts of the world. COVID-19 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The angiotensin-converting enzyme 2 (ACE2) is a crucial cellular receptor for SARS-CoV-2 infection. Inhibition of the interaction between SARS-CoV-2 and ACE2 has been proposed as a target for the prevention and treatment of COVID-19. We produced four recombinant plant-derived ACE2 isoforms with or without the mu tailpiece (μ-tp) of immunoglobulin M (IgM) and the KDEL endoplasmic reticulum retention motif in a plant expression system. The plant-derived ACE2 isoforms bound whole SARS-CoV-2 virus and the isolated receptor binding domains of SARS-CoV-2 Alpha, Beta, Gamma, Delta, and Omicron variants. Fusion of μ-tp and KDEL to the ACE2 protein (ACE2 μK) had enhanced binding activity with SARS-CoV-2 in comparison with unmodified ACE2 protein derived from CHO cells. Furthermore, the plant-derived ACE2 μK protein exhibited no cytotoxic effects on Vero E6 cells and effectively inhibited SARS-CoV-2 infection. The efficient and rapid scalability of plant-derived ACE2 μK protein offers potential for the development of preventive and therapeutic agents in the early response to future viral outbreaks.
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Affiliation(s)
- Sohee Lim
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Hyung-Jun Kwon
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Republic of Korea
| | - Dae Gwin Jeong
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Bio-Analytical Science Division, Korea Research Institute of Bioscience and Biotechnology School of Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Hualin Nie
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Sanghee Lee
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Biosystems and Bioengineering Program, Korea Research Institute of Bioscience and Biotechnology School of Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Seo-Rin Ko
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Department of Bioinformatics, Korea Research Institute of Bioscience and Biotechnology School of Bioscience, University of Science and Technology, Daejeon, Republic of Korea
| | - Kyu-Sun Lee
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Bio-Analytical Science Division, Korea Research Institute of Bioscience and Biotechnology School of Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Young Bae Ryu
- Functional Biomaterial Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Republic of Korea
| | - Hugh S Mason
- Center for Immunotherapy, Vaccines, and Virotherapy (CIVV), The Biodesign Institute at ASU, Tempe, Arizona, USA
| | - Hyun-Soon Kim
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Biosystems and Bioengineering Program, Korea Research Institute of Bioscience and Biotechnology School of Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Ah-Young Shin
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Department of Bioinformatics, Korea Research Institute of Bioscience and Biotechnology School of Bioscience, University of Science and Technology, Daejeon, Republic of Korea
| | - Suk-Yoon Kwon
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Biosystems and Bioengineering Program, Korea Research Institute of Bioscience and Biotechnology School of Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
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Expression and Purification of Porcine Rotavirus Structural Proteins in Silkworm Larvae as a Vaccine Candidate. Mol Biotechnol 2023; 65:401-409. [PMID: 35963985 PMCID: PMC9376036 DOI: 10.1007/s12033-022-00548-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 08/01/2022] [Indexed: 11/15/2022]
Abstract
In this study, silkworm larvae were used for expression of porcine rotavirus A (KS14 strain) inner capsid protein, VP6, and outer capsid protein, VP7. Initially, VP6 was fused with Strep-tag II and FLAG-tag (T-VP6), and T-VP6 was fused further with the signal peptide of Bombyx mori 30k6G protein (30k-T-VP6). T-VP6 and 30 k-T-VP6 were then expressed in the fat body and hemolymph of silkworm larvae, respectively, with respective amounts of 330 μg and 50 μg per larva of purified protein. Unlike T-VP6, 30k-T-VP6 was N-glycosylated due to attached signal peptide. Also, VP7 was fused with PA-tag (VP7-PA). Additionally, VP7 was fused with Strep-tag II, FLAG-tag, and the signal peptide of Bombyx mori 30k6G protein (30k-T-ΔVP7). Both VP7-PA and 30k-T-ΔVP7 were expressed in the hemolymph of silkworm larvae, with respective amounts of 26 μg and 49 μg per larva of purified protein, respectively. The results from our study demonstrated that T-VP6 formed nanoparticles of greater diameter compared with the ones formed by 30k-T-VP6. Also, higher amount of VP6 expressed in silkworm larvae reveal that VP6 holds the potential for its use in vaccine development against porcine rotavirus with silkworm larvae as a promising host for the production of such multi-subunit vaccines.
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Abstract
The idea of producing vaccines in plants originated in the late 1980s. Initially, it was contemplated that this notion could facilitate the concept of edible vaccines, making them more cost effective and easily accessible. Initial studies on edible vaccines focussed on the use of a variety of different transgenic plant host species for the production of vaccine antigens. However, adequate expression levels of antigens, the difficulties predicted with administration of consistent doses, and regulatory rules required for growth of transgenic plants gave way to the development of vaccine candidates that could be purified and administered parenterally. The field has subsequently advanced with improved expression techniques including a shift from using transgenic to transient expression of antigens, refinement of purification protocols, a deeper understanding of the biological processes and a wealth of evidence of immunogenicity and efficacy of plant-produced vaccine candidates, all contributing to the successful practice of what is now known as biopharming or plant molecular farming. The establishment of this technology has resulted in the development of many different types of vaccine candidates including subunit vaccines and various different types of nanoparticle vaccines targeting a wide variety of bacterial and viral diseases. This has brought further acceptance of plants as a suitable platform for vaccine production and in this review, we discuss the most recent advances in the production of vaccines in plants for human use.
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Affiliation(s)
- Jennifer Stander
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Sandiswa Mbewana
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Ann E Meyers
- Biopharming Research Unit, Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa.
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Shoja Z, Jalilvand S, Latifi T, Roohvand F. Rotavirus VP6: involvement in immunogenicity, adjuvant activity, and use as a vector for heterologous peptides, drug delivery, and production of nano-biomaterials. Arch Virol 2022; 167:1013-1023. [PMID: 35292854 PMCID: PMC8923333 DOI: 10.1007/s00705-022-05407-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 01/26/2022] [Indexed: 12/15/2022]
Abstract
The first-generation, live attenuated rotavirus (RV) vaccines, such as RotaTeq and Rotarix, were successful in reducing the number of RV-induced acute gastroenteritis (AGE) and child deaths globally. However, the low efficacy of these first-generation oral vaccines, coupled with safety concerns, required development of improved RV vaccines. The highly conserved structural protein VP6 is highly immunogenic, and it can generate self-assembled nano-sized structures, including tubes and spheres (virus-like particles; VLPs). Amongst the RV proteins, only VP6 shows these features. Interestingly, VP6-assembled structures, in addition to being highly immunogenic, have several other useful characteristics that could allow them to be used as adjuvants, immunological carriers, and drug-delivery vehicles as well as acting a scaffold for production of valuable nano-biomaterials. This review provides an overview of the self-assembled nano-sized structures of VP6-tubes/VLPs and their various functions.
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Affiliation(s)
- Zabihollah Shoja
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran.
| | - Somayeh Jalilvand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Tayebeh Latifi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzin Roohvand
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
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Tusé D, Malm M, Tamminen K, Diessner A, Thieme F, Jarczowski F, Blazevic V, Klimyuk V. Safety and immunogenicity studies in animal models support clinical development of a bivalent norovirus-like particle vaccine produced in plants. Vaccine 2022; 40:977-987. [PMID: 35063285 DOI: 10.1016/j.vaccine.2022.01.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/17/2021] [Accepted: 01/07/2022] [Indexed: 12/27/2022]
Abstract
Noroviruses (NoV) are the leading cause of epidemic acute gastroenteritis in humans worldwide. A safe and effective vaccine that prevents NoV infection or minimizes NoV disease burden is needed, especially for children and the elderly who are particularly susceptible to NoV disease. A plant-based expression system (magnICON®) was used to manufacture two different virus-like particle (VLP) immunogens derived from human NoV genogroups I and II, genotype 4 (GI.4 and GII.4), which were subsequently blended 1:1 (w/w) into a bivalent vaccine composition (rNV-2v). Here, we report on the safety and immunogenicity of rNV-2v from one pilot and two GLP-compliant toxicity studies in New Zealand White rabbits administered the vaccine subcutaneously (SC) or intramuscularly (IM). Strong genogroup-specific immune responses were induced by vaccination without adjuvant at various doses (200 to 400 μg VLP/administration) and administration schedules (Days 1 and 7; or Days 1, 15 and 29). The results showed sporadic local irritation at the injection site, which resolved over time, and was non-adverse and consistent with expected reactogenicity. There were no signs of systemic toxicity related to vaccine administration relative to vehicle-treated controls with respect to clinical chemistry, haematology, organ weights, macroscopic examinations, or histopathology. In a 3-administration regimen (n + 1 the clinical regimen), the NOAEL for rNV-2v via the SC or IM route was initially determined to be 200 μg. An improved GI.4 VLP variant mixed 1:1 (w/w) with the wild-type GII.4 VLP was subsequently evaluated via the IM route at a higher dose in the same 3-administration model, and the NOAEL was raised to 300 µg. Serology performed in samples of both toxicity studies showed significant and substantial anti-VLP-specific antibody titers for rNV-2v vaccines administered via the IM or SC route, as well as relevant NoV blocking antibody responses. These results support initiation of clinical development of the plant-made NoV vaccine.
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Affiliation(s)
- Daniel Tusé
- DT/Consulting Group, 2695 13(th) Street, Sacramento, CA 95818, USA
| | - Maria Malm
- Vaccine Research Center, University of Tampere, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - Kirsi Tamminen
- Vaccine Research Center, University of Tampere, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - André Diessner
- Icon Genetics GmbH, a Denka Company, Weinbergweg 22, D-06120 Halle, Germany
| | - Frank Thieme
- Icon Genetics GmbH, a Denka Company, Weinbergweg 22, D-06120 Halle, Germany
| | | | - Vesna Blazevic
- Vaccine Research Center, University of Tampere, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - Victor Klimyuk
- Icon Genetics GmbH, a Denka Company, Weinbergweg 22, D-06120 Halle, Germany.
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Afchangi A, Jalilvand S, Arashkia A, Latifi T, Farahmand M, Abolghasem Shirazi MM, Mousavi Nasab SD, Marashi SM, Roohvand F, Shoja Z. Co-administration of rotavirus nanospheres VP6 and NSP4 proteins enhanced the anti-NSP4 humoral responses in immunized mice. Microb Pathog 2022; 163:105405. [PMID: 35045328 DOI: 10.1016/j.micpath.2022.105405] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/28/2021] [Accepted: 01/12/2022] [Indexed: 11/29/2022]
Abstract
Inconveniences associated with the efficacy and safety of the World Health Organization (WHO) approved/prequalified live attenuated rotavirus (RV) vaccines, sounded for finding alternative non-replicating modals and proper RV antigens (Ags). Herein, we report the development of a RV candidate vaccine based on the combination of RV VP6 nanospheres (S) and NSP4112-175 proteins (VP6S + NSP4). Self-assembled VP6S protein was produced in insect cells. Analyses by western blotting and transmission electron microscopy (TEM) indicated expression of VP6 trimer structures with sizes of ≥140 kDa and presence of VP6S. Four group of mice were immunized (2-dose formulation) intra-peritoneally (IP) by either¨VP6S + NSP4¨ or each protein alone (VP6S or NSP4112-175) emulsified in aluminium hydroxide or control. Results indicated that VP6S + NSP4 formulation induced significant anti-VP6 IgG (P < 0.001) and IgA (P < 0.05) as well as anti-NSP4 IgG (P < 0.001) and enhancement of protective immunity. Analyses of anti-VP6S and anti-NSP4 IgG subclass (IgG1 and IgG2a) showed IgG1/IgG2a ≥6 and IgG1/IgG2a ≥3 ratios, respectively indicating Th2 polarization of immune responses. The combination of VP6S + NSP4 proteins emulsified in aluminum hydroxide adjuvant might present a dual universal, efficient and cost-effective candidate vaccine against RV infection.
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Affiliation(s)
- Atefeh Afchangi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Somayeh Jalilvand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Arash Arashkia
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Tayebeh Latifi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Farahmand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Seyed Dawood Mousavi Nasab
- Department of Research and Development, Production and Research Complex, Pasteur Institute of Iran, Tehran, Iran
| | - Sayed Mahdi Marashi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzin Roohvand
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran
| | - Zabihollah Shoja
- Department of Virology, Pasteur Institute of Iran, Tehran, Iran.
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Monreal-Escalante E, Ramos-Vega A, Angulo C, Bañuelos-Hernández B. Plant-Based Vaccines: Antigen Design, Diversity, and Strategies for High Level Production. Vaccines (Basel) 2022; 10:100. [PMID: 35062761 PMCID: PMC8782010 DOI: 10.3390/vaccines10010100] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/25/2021] [Accepted: 01/01/2022] [Indexed: 12/18/2022] Open
Abstract
Vaccines for human use have conventionally been developed by the production of (1) microbial pathogens in eggs or mammalian cells that are then inactivated, or (2) by the production of pathogen proteins in mammalian and insect cells that are purified for vaccine formulation, as well as, more recently, (3) by using RNA or DNA fragments from pathogens. Another approach for recombinant antigen production in the last three decades has been the use of plants as biofactories. Only have few plant-produced vaccines been evaluated in clinical trials to fight against diseases, of which COVID-19 vaccines are the most recent to be FDA approved. In silico tools have accelerated vaccine design, which, combined with transitory antigen expression in plants, has led to the testing of promising prototypes in pre-clinical and clinical trials. Therefore, this review deals with a description of immunoinformatic tools and plant genetic engineering technologies used for antigen design (virus-like particles (VLP), subunit vaccines, VLP chimeras) and the main strategies for high antigen production levels. These key topics for plant-made vaccine development are discussed and perspectives are provided.
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Affiliation(s)
- Elizabeth Monreal-Escalante
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto PoliItécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico; (A.R.-V.); (C.A.)
- CONACYT—Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico
| | - Abel Ramos-Vega
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto PoliItécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico; (A.R.-V.); (C.A.)
| | - Carlos Angulo
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto PoliItécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz 23096, BCS, Mexico; (A.R.-V.); (C.A.)
| | - Bernardo Bañuelos-Hernández
- Escuela de Veterinaria, Universidad De La Salle Bajío, Avenida Universidad 602, Lomas del Campestre, Leon 37150, GTO, Mexico
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12
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Nosaki S, Hoshikawa K, Ezura H, Miura K. Transient protein expression systems in plants and their applications. PLANT BIOTECHNOLOGY (TOKYO, JAPAN) 2021; 38:297-304. [PMID: 34782815 PMCID: PMC8562577 DOI: 10.5511/plantbiotechnology.21.0610a] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 06/10/2021] [Indexed: 06/01/2023]
Abstract
The production of recombinant proteins is important in academic research to identify protein functions. Moreover, recombinant enzymes are used in the food and chemical industries, and high-quality proteins are required for diagnostic, therapeutic, and pharmaceutical applications. Though many recombinant proteins are produced by microbial or mammalian cell-based expression systems, plants have been promoted as alternative, cost-effective, scalable, safe, and sustainable expression systems. The development and improvement of transient expression systems have significantly reduced the period of protein production and increased the yield of recombinant proteins in plants. In this review, we consider the importance of plant-based expression systems for recombinant protein production and as genetic engineering tools.
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Affiliation(s)
- Shohei Nosaki
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
- Tsukuba-Plant Innovation Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Ken Hoshikawa
- Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki 305-8686, Japan
| | - Hiroshi Ezura
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
- Tsukuba-Plant Innovation Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Kenji Miura
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
- Tsukuba-Plant Innovation Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
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Wei N, Ge J, Tan C, Song Y, Wang S, Bao M, Li J. Epidemiology and evolution of Norovirus in China. Hum Vaccin Immunother 2021; 17:4553-4566. [PMID: 34495811 DOI: 10.1080/21645515.2021.1961465] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Norovirus (NoV) has been recognized as a leading cause of gastroenteritis worldwide. This review estimates the prevalence and genotype distribution of NoV in China to provide a sound reference for vaccine development. Studies were searched up to October 2020 from CNKI database and inclusion criteria were study duration of at least one calendar year and population size of >100. The mean overall NoV prevalence in individuals with sporadic diarrhea/gastroenteritis was 16.68% (20796/124649, 95% CI 16.63-16.72), and the detection rate of NoV was the highest among children. Non-GII.4 strains have replaced GII.4 as the predominant caused multiple outbreaks since 2014. Especially the recombinant GII.P16-GII.2 increased sharply, and virologic data show that the polymerase GII.P16 rather than VP1 triggers pandemic. Due to genetic diversity and rapid evolution, predominant genotypes might change unexpectedly, which has become major obstacle for the development of effective NoV vaccines.
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Affiliation(s)
- Na Wei
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Jun Ge
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Changyao Tan
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Yunlong Song
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Shiwei Wang
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Mengru Bao
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
| | - Jianqiang Li
- Vaccine R&D, Grand Theravac Life Science (Nanjing) Co., Ltd, Nanjing, China
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Zhang M, Fu M, Hu Q. Advances in Human Norovirus Vaccine Research. Vaccines (Basel) 2021; 9:732. [PMID: 34358148 PMCID: PMC8310286 DOI: 10.3390/vaccines9070732] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/17/2021] [Accepted: 06/29/2021] [Indexed: 12/14/2022] Open
Abstract
Human norovirus (HuNoV) is the leading cause of acute gastroenteritis (AGE) worldwide, which is highly stable and contagious, with a few virus particles being sufficient to establish infection. Although the World Health Organization in 2016 stated that it should be an absolute priority to develop a HuNoV vaccine, unfortunately, there is currently no licensed HuNoV vaccine available. The major barrier to the development of an effective HuNoV vaccine is the lack of a robust and reproducible in vitro cultivation system. To develop a HuNoV vaccine, HuNoV immunogen alone or in combination with other viral immunogens have been designed to assess whether they can simultaneously induce protective immune responses against different viruses. Additionally, monovalent and multivalent vaccines from different HuNoV genotypes, including GI and GII HuNoV virus-like particles (VLPs), have been assessed in order to induce broad protection. Although there are several HuNoV vaccine candidates based on VLPs that are being tested in clinical trials, the challenges to develop effective HuNoV vaccines remain largely unresolved. In this review, we summarize the advances of the HuNoV cultivation system and HuNoV vaccine research and discuss current challenges and future perspectives in HuNoV vaccine development.
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Affiliation(s)
- Mudan Zhang
- Department of Gastroenterology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou 510623, China;
| | - Ming Fu
- The Joint Center of Translational Precision Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou 510623, China;
- The Joint Center of Translational Precision Medicine, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Qinxue Hu
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, China
- Institute for Infection and Immunity, St George’s, University of London, London SW17 0RE, UK
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Monreal-Escalante E, Sández-Robledo C, León-Gallo A, Roupie V, Huygen K, Hori-Oshima S, Arce-Montoya M, Rosales-Mendoza S, Angulo C. Alfalfa Plants (Medicago sativa L.) Expressing the 85B (MAP1609c) Antigen of Mycobacterium avium subsp. paratuberculosis Elicit Long-Lasting Immunity in Mice. Mol Biotechnol 2021; 63:424-436. [PMID: 33649932 PMCID: PMC7920848 DOI: 10.1007/s12033-021-00307-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 02/12/2021] [Indexed: 12/22/2022]
Abstract
Mycobacterium avium subsp. paratuberculosis (MAP) is the etiological agent of Paratuberculosis, a contagious, untreatable, and chronic granulomatous enteritis that results in diarrhea, emaciation, and death in farmed ruminants (i.e., cattle, sheep, and goats). In this study, the Ag85B antigen from MAP was expressed in transgenic alfalfa as an attractive vaccine candidate. Agrobacterium-mediated transformation allowed the rescue of 56 putative transformed plants and transgenesis was confirmed in 19 lines by detection of the Ag85B gene (MAP1609c) by PCR. Line number 20 showed the highest Ag85B expression [840 ng Ag85B per gram of dry weight leaf tissue, 0.062% Total Soluble Protein (TSP)]. Antigenicity of the plant-made Ag85B was evidenced by its reactivity with a panel of sera from naturally MAP-infected animals, whereas immunogenicity was assessed in mice immunized by either oral or subcutaneous routes. The plant-made Ag85B antigen elicited humoral responses by the oral route when co-administered with cholera toxin as adjuvant; significant levels of anti-85B antibodies were induced in serum (IgG) and feces (IgA). Long-lasting immunity was evidenced at day 180 days post-first oral immunization. The obtained alfalfa lines expressing Ag85B constitute the first model of a plant-based vaccine targeting MAP. The initial immunogenicity assessment conducted in this study opens the path for a detailed characterization of the properties of this vaccine candidate.
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Affiliation(s)
- Elizabeth Monreal-Escalante
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC, Instituto Politécnico Nacional, 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur, 23096, Mexico
- CONACYT-Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Instituto Politécnico Nacional, 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur, 23096, Mexico
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava Num. 6, Zona Universitaria., San Luis Potosí, San Luis Potosi, 78210, Mexico
| | - Cristhian Sández-Robledo
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC, Instituto Politécnico Nacional, 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur, 23096, Mexico
| | - Amalia León-Gallo
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava Num. 6, Zona Universitaria., San Luis Potosí, San Luis Potosi, 78210, Mexico
| | - Virginie Roupie
- Veterinary and Agrochemical Research Institute, VAR-CODA-CERVA, 1180, Brussels, Belgium
| | - Kris Huygen
- Scientific Service Immunology, Scientific Institute of Public Health WIV-ISP (Site Ukkel), 642 Engelandstraat, 1180, Brussels, Belgium
| | - Sawako Hori-Oshima
- Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Carretera San Felipe Km. 3.5, Fraccionamiento Laguna Campestre, Mexicali, Baja California, 21387, Mexico
| | - Mario Arce-Montoya
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC, Instituto Politécnico Nacional, 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur, 23096, Mexico
| | - Sergio Rosales-Mendoza
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava Num. 6, Zona Universitaria., San Luis Potosí, San Luis Potosi, 78210, Mexico.
| | - Carlos Angulo
- Immunology and Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC, Instituto Politécnico Nacional, 195, Playa Palo de Santa Rita Sur, La Paz, Baja California Sur, 23096, Mexico.
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Esposito S, Principi N. Norovirus Vaccine: Priorities for Future Research and Development. Front Immunol 2020; 11:1383. [PMID: 32733458 PMCID: PMC7358258 DOI: 10.3389/fimmu.2020.01383] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/29/2020] [Indexed: 12/25/2022] Open
Abstract
Soon after its identification, norovirus (NoV) has been indicated as one of the most common causes of outbreaks of acute gastroenteritis (AGE) and sporadic acute diarrhea episodes in subjects of any age. In 2016 the World Health Organization stated that the development of a NoV vaccine should be considered an absolute priority. Unfortunately, the development of an effective NoV vaccine has proven extremely difficult, and only in recent years, some preparations have been tested in humans in advanced clinical trials. In this paper, reasons that justify efforts to develop a NoV vaccine, difficulties encountered during NoV vaccine development, and NoV vaccine candidates will be discussed. In recent years, identification of some NoV antigens that alone or in combination with other viral antigens can induce a potentially protective immune response has led to the development of a large series of preparations that seem capable of coping with the problems related to NoV infection. Epidemiological and immunological studies have shown that multivalent vaccines, including both GI and GII NoV, are the only solution to induce sufficiently broad protection. However, even if the road to formulation of an effective and safe NoV vaccine seems to be definitively traced, many problems still need to be solved before the total burden of NoV infections can be adequately controlled. Whether currently available vaccines are able to protect against all the heterologous NoV strains and the variants of the most common serotypes that frequently emerge and cause outbreaks must be defined. Moreover, as performed clinical trials have mainly enrolled adults, it is mandatory to know whether vaccines are effective in all age groups, including younger children. Finally, we must know the immune response of immunocompromised patients and the duration of protection induced by NoV vaccines. Only when all these problems have been solved will it be possible to establish an effective immunization schedule against NoV infection and calculate whether systematic vaccination can be cost effective.
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Affiliation(s)
- Susanna Esposito
- Pediatric Clinic, Department of Medicine and Surgery, Pietro Barilla Children's Hospital, University of Parma, Parma, Italy
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Cates JE, Vinjé J, Parashar U, Hall AJ. Recent advances in human norovirus research and implications for candidate vaccines. Expert Rev Vaccines 2020; 19:539-548. [PMID: 32500763 PMCID: PMC10760411 DOI: 10.1080/14760584.2020.1777860] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 06/01/2020] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Noroviruses are a leading cause of acute gastroenteritis worldwide. An estimated 21 million illnesses in the United States and upwards of 684 million illnesses worldwide are attributed to norovirus infection. There are no licensed vaccines to prevent norovirus, but several candidates are in development. AREAS COVERED We review recent advances in molecular epidemiology of noroviruses, immunology, and in-vitro cultivation of noroviruses using human intestinal enteroids. We also provide an update on the status of norovirus vaccine candidates. EXPERT OPINION Molecular epidemiological studies confirm the tremendous genetic diversity of noroviruses, the continuous emergence of new recombinant strains, and the predominance of GII.4 viruses worldwide. Duration of immunity, extent of cross protection between different genotypes, and differences in strain distribution for young children compared with adults remain key knowledge gaps. Recent discoveries regarding which epitopes are targeted by neutralizing antibodies using the novel in vitro culture of human noroviruses in human intestinal enteroids are enhancing our understanding of mechanisms of protection and providing guidance for vaccine development. A future norovirus vaccine has the potential to substantially reduce the burden of illnesses due to this ubiquitous virus.
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Affiliation(s)
- Jordan E Cates
- Division of Viral Diseases, Centers for Disease Control and Prevention , Atlanta, GA, USA
- Epidemic Intelligence Service, Centers for Disease Control and Prevention , Atlanta, GA, USA
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention , Atlanta, GA, USA
| | - Umesh Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention , Atlanta, GA, USA
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention , Atlanta, GA, USA
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Katayama K. [Review Norovirus]. Uirusu 2020; 70:117-128. [PMID: 34544926 DOI: 10.2222/jsv.70.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Noroviruses commonly cause infectious gastroenteritis and massive food poisoning. There is an urgent need to elucidate the infection mechanism of noroviruses and to develop vaccines and therapeutic drugs. In addition to human disease, noroviruses have been implicated in animal disease. Noroviruses that cause murine diseases can be propagated in strained cultured cells, and for many years, murine norovirus has been used as a model for human noroviruses that could not be propagated in cultured cells. That model and advances in technology have been instrumental in basic studies of noroviruses. From structural biology, noroviruses undergo dynamic shape changes to improve their infectivity when they infect cells. New culture techniques have made human intestinal organoids available for studying the mechanisms of pathogenic expression of human noroviruses in the intestinal tract, mechanisms of infection growth, and the search for receptor molecules. Vaccines and antivirals using human intestinal organoids are under active development, and some are already in clinical trials. In this paper, I review the latest research results, vaccine development, and other advances from the history of norovirus discovery.
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Affiliation(s)
- Kazuhiko Katayama
- Laboratory of Viral Infection I, Department of Infection Control and Immunology, Ōmura Satoshi Memorial Institute & Graduate School of Infection Control Sciences, Kitasato University
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Malm M, Vesikari T, Blazevic V. Simultaneous Immunization with Multivalent Norovirus VLPs Induces Better Protective Immune Responses to Norovirus Than Sequential Immunization. Viruses 2019; 11:v11111018. [PMID: 31684058 PMCID: PMC6893631 DOI: 10.3390/v11111018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/25/2019] [Accepted: 10/31/2019] [Indexed: 12/13/2022] Open
Abstract
Human noroviruses (NoVs) are a genetically diverse, constantly evolving group of viruses. Here, we studied the effect of NoV pre-existing immunity on the success of NoV vaccinations with genetically close and distant genotypes. A sequential immunization as an alternative approach to multivalent NoV virus-like particles (VLPs) vaccine was investigated. Mice were immunized with NoV GI.3, GII.4-1999, GII.17, and GII.4 Sydney as monovalent VLPs or as a single tetravalent mixture combined with rotavirus VP6-protein. Sequentially immunized mice were primed with a trivalent vaccine candidate (GI.3 + GII.4-1999 + VP6) and boosted, first with GII.17 and then with GII.4 Sydney VLPs. NoV serum antibodies were analyzed. Similar NoV genotype-specific immune responses were induced with the monovalent and multivalent mixture immunizations, and no immunological interference was observed. Multivalent immunization with simultaneous mix was found to be superior to sequential immunization, as sequential boost induced strong blocking antibody response against the distant genotype (GII.17), but not against GII.4 Sydney, closely related to GII.4-1999, contained in the priming vaccine. Genetically close antigens may interfere with the immune response generation and thereby immune responses may be differently formed depending on the degree of NoV VLP genotype identity.
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Affiliation(s)
- Maria Malm
- Vaccine Research Center, Faculty of Medicine and Health Technology, Tampere University, Biokatu 10, FI-33520 Tampere, Finland.
| | - Timo Vesikari
- Vaccine Research Center, Faculty of Medicine and Health Technology, Tampere University, Biokatu 10, FI-33520 Tampere, Finland.
| | - Vesna Blazevic
- Vaccine Research Center, Faculty of Medicine and Health Technology, Tampere University, Biokatu 10, FI-33520 Tampere, Finland.
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Rybicki EP. Plant molecular farming of virus‐like nanoparticles as vaccines and reagents. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2019; 12:e1587. [DOI: 10.1002/wnan.1587] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/23/2019] [Accepted: 07/31/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Edward P. Rybicki
- Biopharming Research Unit, Department of Molecular & Cell Biology University of Cape Town Cape Town South Africa
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