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Atmar RL, Ettayebi K, Ramani S, Neill FH, Lindesmith L, Baric RS, Brinkman A, Braun R, Sherwood J, Estes MK. A Bivalent Human Norovirus Vaccine Induces Homotypic and Heterotypic Neutralizing Antibodies. J Infect Dis 2024; 229:1402-1407. [PMID: 37781879 DOI: 10.1093/infdis/jiad401] [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: 05/30/2023] [Revised: 08/30/2023] [Accepted: 09/13/2023] [Indexed: 10/03/2023] Open
Abstract
A GII.2 outbreak in an efficacy study of a bivalent virus-like particle norovirus vaccine, TAK-214, in healthy US adults provided an opportunity to examine GII.4 homotypic vs GII.2 heterotypic responses to vaccination and infection. Three serologic assays-virus-like particle binding, histoblood group antigen blocking, and neutralizing-were performed for each genotype. Results were highly correlated within a genotype but not between genotypes. Although the vaccine provided protection from GII.2-associated disease, little GII.2-specific neutralization occurred after vaccination. Choice of antibody assay can affect assessments of human norovirus vaccine immunogenicity.
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Affiliation(s)
- Robert L Atmar
- Department of Medicine
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
| | - Khalil Ettayebi
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
| | - Sasirekha Ramani
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
| | - Frederick H Neill
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
| | - Lisa Lindesmith
- Department of Epidemiology, University of North Carolina, Chapel Hill
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina, Chapel Hill
| | | | - Ralph Braun
- Takeda Vaccines Inc, Cambridge, Massachusetts
| | - James Sherwood
- Takeda Pharmaceuticals International AG, Zurich, Switzerland
| | - Mary K Estes
- Department of Medicine
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
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Masuda A, Man Lee J, Miyata T, Sato S, Masuda A, Taniguchi M, Fujita R, Ushijima H, Morimoto K, Ebihara T, Hino M, Kakino K, Mon H, Kusakabe T. High yield production of norovirus GII.4 virus-like particles using silkworm pupae and evaluation of their protective immunogenicity. Vaccine 2023; 41:766-777. [PMID: 36528444 DOI: 10.1016/j.vaccine.2022.12.015] [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: 05/16/2022] [Revised: 11/08/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Noroviruses (NoVs) are one of the major causes of acute viral gastroenteritis in humans. Virus-like particles (VLPs) without genomes that mimic the capsid structure of viruses are promising vaccine candidates for the prevention of NoVs infection. To produce large amounts of recombinant protein, including VLPs, the silkworm-expression vector system (silkworm-BEVS) is an efficient and powerful tool. In this study, we constructed a recombinant baculovirus that expresses VP1 protein, the major structural protein of NoV GII.4. Expression analysis showed that the baculovirus-infected silkworm pupae expressed NoV VP1 protein more efficiently than silkworm larval fat bodies. We obtained about 4.9 mg of purified NoV VP1 protein from only five silkworm pupae. The purified VP1 protein was confirmed by dynamic light scattering and electron microscopy to form VLPs of approximately 40 nm in diameter. Antisera from mice immunized with the antigen blocked NoV VLPs binding to histo-blood group antigens of pig gastric mucin and also blocked NoV infection in intestinal epithelial cells derived from human induced pluripotent stem (iPS) cells. Our findings demonstrated that NoV VLP eliciting protective antibodies could be obtained in milligram quantities from a few silkworm pupae using the silkworm-BEVS.
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Affiliation(s)
- Akitsu Masuda
- Laboratory of Creative Science for Insect Industries, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Jae Man Lee
- Laboratory of Creative Science for Insect Industries, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takeshi Miyata
- Department of Biochemistry and Biotechnology, Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Shintaro Sato
- Department of Virology, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan; Department of Microbiology and Immunology, School of Pharmaceutical Sciences, Wakayama Medical University, 25-1 Shichiban-cho, Wakayama 640-8156, Japan
| | - Atsushi Masuda
- Research and Development Household Products Research, Kao Corporation, Minato 1334, Wakayama 640-8580, Japan
| | - Masahiro Taniguchi
- Research and Development Department, KAICO Ltd, 4-1 Kyudaishinmachi, Nishi-ku, Fukuoka 819-0388, Japan
| | - Ryosuke Fujita
- Laboratory of Sanitary Entomology, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hiroshi Ushijima
- Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, 30-1 Oyaguchi Kamicho, Itabashi-ku, Tokyo 173-8610, Japan
| | - Keisuke Morimoto
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takeru Ebihara
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masato Hino
- Laboratory of Sanitary Entomology, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kohei Kakino
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hiroaki Mon
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takahiro Kusakabe
- Laboratory of Insect Genome Science, Kyushu University Graduate School of Bioresource and Bioenvironmental Sciences, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.
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Structural Insight into Terminal Galactose Recognition by Two Non-HBGA Binding GI.3 Noroviruses. J Virol 2022; 96:e0042022. [PMID: 35658530 PMCID: PMC9278146 DOI: 10.1128/jvi.00420-22] [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] [Indexed: 02/05/2023] Open
Abstract
Human noroviruses (huNoVs) cause epidemic acute gastroenteritis using histo-blood group antigens (HBGAs) as host receptors or attachment factors to initiate an infection. While most huNoVs have been shown to bind HBGAs, some known clinical isolates, such as GI.3 DSV and VA115, do not recognize any HBGAs and thus the molecular mechanism behind their infections remains elusive. In this study, we provided both phenotypic and structural evidence to show that huNoV DSV and VA115 recognize a group of glycans with terminal galactoses as ligands. First, through glycan array we found that both DSV and VA115 protruding (P) domain proteins bound two oligosaccharides that share common terminal galactoses. Then, by determination of the crystal structures of DSV/VA115 P proteins in complex with Galα1-3Galβ1-4Glc and/or NA2 N-Glycan, respectively, we showed that the terminal galactose is the main saccharide recognized by the two viral proteins. Our data demonstrated that GI huNoVs can interact with non-HBGA glycans through their conserved galactose binding site, shedding light on the mechanism of huNoV adaptation through recognizing new glycan receptors to facilitate their widespread nature in human population. These findings are also of significance in strategy development for huNoV control and prevention, as well as development of antiviral drugs. IMPORTANCE Human noroviruses (huNoVs) are the most important viral pathogens causing epidemic acute gastroenteritis worldwide. Previous studies indicated that histo-blood group antigens (HBGAs) are critical host-susceptibility factors affecting huNoV host susceptibility, host range, and probably prevalence. However, certain huNoVs, such as GI.3 DSV and VA115, do not recognize any HBGAs. This implies that other unknown host factors might exist and the molecular mechanism underlying their host receptor recognition or attachment remains elusive. In this study, we found that purified capsid protruding domain proteins from two GI.3 huNoVs specifically bind two glycans that contain a common terminal galactose. We solved the crystal structures of the complexes at atomic resolution and validated the vital amino acids involved in glycan recognition. Our findings elucidate the mechanism of GI.3 huNoV-non-HBGA glycan interaction, which explains why GI.3 virus strains could not bind human HBGAs, paving a way to the prevention and treatment of huNoV-associated diseases.
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Tenge VR, Hu L, Prasad BVV, Larson G, Atmar RL, Estes MK, Ramani S. Glycan Recognition in Human Norovirus Infections. Viruses 2021; 13:2066. [PMID: 34696500 PMCID: PMC8537403 DOI: 10.3390/v13102066] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 12/11/2022] Open
Abstract
Recognition of cell-surface glycans is an important step in the attachment of several viruses to susceptible host cells. The molecular basis of glycan interactions and their functional consequences are well studied for human norovirus (HuNoV), an important gastrointestinal pathogen. Histo-blood group antigens (HBGAs), a family of fucosylated carbohydrate structures that are present on the cell surface, are utilized by HuNoVs to initially bind to cells. In this review, we describe the discovery of HBGAs as genetic susceptibility factors for HuNoV infection and review biochemical and structural studies investigating HuNoV binding to different HBGA glycans. Recently, human intestinal enteroids (HIEs) were developed as a laboratory cultivation system for HuNoV. We review how the use of this novel culture system has confirmed that fucosylated HBGAs are necessary and sufficient for infection by several HuNoV strains, describe mechanisms of antibody-mediated neutralization of infection that involve blocking of HuNoV binding to HBGAs, and discuss the potential for using the HIE model to answer unresolved questions on viral interactions with HBGAs and other glycans.
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Affiliation(s)
- Victoria R. Tenge
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; (V.R.T.); (B.V.V.P.); (R.L.A.); (M.K.E.)
| | - Liya Hu
- Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA;
| | - B. V. Venkataram Prasad
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; (V.R.T.); (B.V.V.P.); (R.L.A.); (M.K.E.)
- Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA;
| | - Göran Larson
- Department of Laboratory Medicine, University of Gothenburg, SE 413 45 Gothenburg, Sweden;
| | - Robert L. Atmar
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; (V.R.T.); (B.V.V.P.); (R.L.A.); (M.K.E.)
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Mary K. Estes
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; (V.R.T.); (B.V.V.P.); (R.L.A.); (M.K.E.)
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Sasirekha Ramani
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; (V.R.T.); (B.V.V.P.); (R.L.A.); (M.K.E.)
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Lindesmith LC, Brewer-Jensen PD, Mallory ML, Jensen K, Yount BL, Costantini V, Collins MH, Edwards CE, Sheahan TP, Vinjé J, Baric RS. Virus-Host Interactions Between Nonsecretors and Human Norovirus. Cell Mol Gastroenterol Hepatol 2020; 10:245-267. [PMID: 32289501 PMCID: PMC7301201 DOI: 10.1016/j.jcmgh.2020.03.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/26/2020] [Accepted: 03/27/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Human norovirus infection is the leading cause of acute gastroenteritis. Genetic polymorphisms, mediated by the FUT2 gene (secretor enzyme), define strain susceptibility. Secretors express a diverse set of fucosylated histoblood group antigen carbohydrates (HBGA) on mucosal cells; nonsecretors (FUT2-/-) express a limited array of HBGAs. Thus, nonsecretors have less diverse norovirus strain infections, including resistance to the epidemiologically dominant GII.4 strains. Because future human norovirus vaccines will comprise GII.4 antigen and because secretor phenotype impacts GII.4 infection and immunity, nonsecretors may mimic young children immunologically in response to GII.4 vaccination, providing a needed model to study cross-protection in the context of limited pre-exposure. METHODS By using specimens collected from the first characterized nonsecretor cohort naturally infected with GII.2 human norovirus, we evaluated the breadth of serologic immunity by surrogate neutralization assays, and cellular activation and cytokine production by flow cytometry. RESULTS GII.2 infection resulted in broad antibody and cellular immunity activation that persisted for at least 30 days for T cells, monocytes, and dendritic cells, and for 180 days for blocking antibody. Multiple cellular lineages expressing interferon-γ and tumor necrosis factor-α dominated the response. Both T-cell and B-cell responses were cross-reactive with other GII strains, but not GI strains. To promote entry mechanisms, inclusion of bile acids was essential for GII.2 binding to nonsecretor HBGAs. CONCLUSIONS These data support development of within-genogroup, cross-reactive antibody and T-cell immunity, key outcomes that may provide the foundation for eliciting broad immune responses after GII.4 vaccination in individuals with limited GII.4 immunity, including young children.
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Affiliation(s)
- Lisa C Lindesmith
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Paul D Brewer-Jensen
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Michael L Mallory
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Kara Jensen
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Boyd L Yount
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Veronica Costantini
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Matthew H Collins
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, School of Medicine, Emory University, Decatur, Georgia
| | - Caitlin E Edwards
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Timothy P Sheahan
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina.
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Atmar RL, Ettayebi K, Ayyar BV, Neill FH, Braun RP, Ramani S, Estes MK. Comparison of Microneutralization and Histo-Blood Group Antigen-Blocking Assays for Functional Norovirus Antibody Detection. J Infect Dis 2020; 221:739-743. [PMID: 31613328 PMCID: PMC8483564 DOI: 10.1093/infdis/jiz526] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 10/09/2019] [Indexed: 10/04/2023] Open
Abstract
BACKGROUND The development of an in vitro cultivation system for human noroviruses allows the measurement of neutralizing antibody levels. METHODS Serum neutralizing antibody levels were determined using a GII.4/Sydney/2012-like virus in human intestinal enteroids in samples collected before and 4 weeks after administration of an investigational norovirus vaccine and were compared with those measured in histo-blood group antigen (HBGA)-blocking assays. RESULTS Neutralizing antibody seroresponses were observed in 71% of 24 vaccinated adults, and antibody levels were highly correlated (r = 0.82, P < .001) with those measured by HBGA blocking. CONCLUSIONS HBGA-blocking antibodies are a surrogate for neutralization in human noroviruses. CLINICAL TRIALS REGISTRATION NCT02475278.
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Affiliation(s)
- Robert L Atmar
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Khalil Ettayebi
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - B Vijayalakshmi Ayyar
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Frederick H Neill
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Ralph P Braun
- Takeda Vaccines Business Unit, Cambridge, Massachusetts, USA
| | - Sasirekha Ramani
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Mary K Estes
- Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
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Lim SI. Site-specific bioconjugation and self-assembly technologies for multi-functional biologics: on the road to the clinic. Drug Discov Today 2019; 25:168-176. [PMID: 31610287 DOI: 10.1016/j.drudis.2019.10.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/28/2019] [Accepted: 10/03/2019] [Indexed: 01/02/2023]
Abstract
The expanding portfolio of biotherapeutics both in the research and development (R&D) and market sectors is shaping new opportunities towards multifunctional biologics (MFBs). The combination of new or pre-existing therapeutic agents into a single multifunctional format makes it possible to develop new pharmacological actions to significantly improve their efficacy and safety. In this review, I focus on novel platform technologies that are being exploited in the biotech industry to produce MFBs with potential therapeutic benefits that include half-life extension, targeted delivery, T cell engagement, and improved vaccination. In this regard, technologies of key importance are site-specific bioconjugation and self-assembly, which allow homogeneous, defined, and scalable process developments for several MFBs that are advancing towards clinical applications.
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Affiliation(s)
- Sung In Lim
- Department of Chemical Engineering, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, Republic of Korea.
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