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Wang SC, Liao HY, Zhang JY, Cheng TJR, Wong CH. Development of a universal influenza vaccine using hemagglutinin stem protein produced from Pichia pastoris. Virology 2018; 526:125-137. [PMID: 30388628 DOI: 10.1016/j.virol.2018.10.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/14/2018] [Accepted: 10/02/2018] [Indexed: 12/27/2022]
Abstract
The development of a universal influenza vaccine has become a major effort to combat the high mutation rate of influenza. To explore the use of the highly conserved stem region of hemagglutinin (HA) as a universal vaccine, we produced HA-stem-based protein using yeast expression systems. The glycosylation effects on the immunogenicity and protection activities were investigated. The yield of the A/Brisbane/59/2007 HA stem produced from Pichia pastoris reached 100 mg/l. The immunogenicity of HA stem proteins in various glycoforms was further investigated and compared. All glycoforms of the HA stem protein can induce cross-reactive antibody responses, antibody-dependent cellular cytotoxicity (ADCC)-mediated protection as well as T-cell responses, with broad protection in mice. The monoglycosylated form of the A/Brisbane/59/2007 HA stem produced in yeast, together with the glycolipid C34 as the adjuvant, can elicit greater ADCC responses, better neutralizing activities against heterologous strains, and broader protection in mice.
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Affiliation(s)
- Shih-Chi Wang
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei 112, Taiwan; Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan
| | - Hsin-Yu Liao
- Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan
| | - Jia-Yan Zhang
- Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan
| | - Ting-Jen Rachel Cheng
- Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan.
| | - Chi-Huey Wong
- Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei 112, Taiwan; Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan.
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Johnson S, Brorson KA, Frey DD, Dhar AK, Cetlin DA. Characterization of Non-Infectious Virus-Like Particle Surrogates for Viral Clearance Applications. Appl Biochem Biotechnol 2017; 183:318-331. [PMID: 28281181 DOI: 10.1007/s12010-017-2447-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 02/20/2017] [Indexed: 10/20/2022]
Abstract
Viral clearance is a critical aspect of biopharmaceutical manufacturing process validation. To determine the viral clearance efficacy of downstream chromatography and filtration steps, live viral "spiking" studies are conducted with model mammalian viruses such as minute virus of mice (MVM). However, due to biosafety considerations, spiking studies are costly and typically conducted in specialized facilities. In this work, we introduce the concept of utilizing a non-infectious MVM virus-like particle (MVM-VLP) as an economical surrogate for live MVM during process development and characterization. Through transmission electron microscopy, size exclusion chromatography with multi-angle light scattering, chromatofocusing, and a novel solute surface hydrophobicity assay, we examined and compared the size, surface charge, and hydrophobic properties of MVM and MVM-VLP. The results revealed that MVM and MVM-VLP exhibited nearly identical physicochemical properties, indicating the potential utility of MVM-VLP as an accurate and economical surrogate to live MVM during chromatography and filtration process development and characterization studies.
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Affiliation(s)
- Sarah Johnson
- DBRRII, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Kurt A Brorson
- DBRRII, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Douglas D Frey
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD, 21250, USA
| | - Arun K Dhar
- MockV Solutions, Inc., 22 Baltimore Road, Rockville, MD, 20850, USA
| | - David A Cetlin
- MockV Solutions, Inc., 22 Baltimore Road, Rockville, MD, 20850, USA.
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Wang M, Jiang S, Zhou L, Wang C, Mao R, Ponnusamy M. Efficient production of recombinant glycoprotein D of herpes simplex virus type 2 in Pichia pastoris and its protective efficacy against viral challenge in mice. Arch Virol 2016; 162:701-711. [PMID: 27868164 DOI: 10.1007/s00705-016-3154-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 11/07/2016] [Indexed: 12/21/2022]
Abstract
Herpes simplex virus type 2 (HSV-2) infection is the leading cause of genital ulcer disease and a significant public health concern. However, there are no approved vaccines available to prevent HSV-2 infection. The glycoprotein D (gD) of HSV-2 is the most important candidate antigen for vaccine development. In this study, a truncated form of gD (codons 1-340, gD1-340) was produced as a secretory protein in the methylotrophic yeast Pichia pastoris. The recombinant gD1-340 with a His6 tag was purified to homogeneity by one-step affinity chromatography. Mice immunized with the recombinant gD1-340 developed high levels of antigen-specific antibody responses with HSV-2 neutralizing activity. Immunization with the recombinant gD1-340 conferred significant protection against lethal HSV-2 infection in mice. Moreover, measurement of the secretion of gD1-340-specific cytokines demonstrated that the recombinant gD1-340 induced mixed Th1/Th2 cellular immune responses. These findings indicated that P. pastoris-derived gD1-340 represents a promising HSV-2 vaccine candidate with strong immunogenicity and prophylactic efficacy.
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Affiliation(s)
- Man Wang
- Institute for Translational Medicine, Medical College of Qingdao University, Qingdao, 266021, China.
| | - Shuai Jiang
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Li Zhou
- Animal Biosafety Level III Laboratory at the Center for Animal Experiment, Wuhan University, Wuhan, 430071, China
| | - Chaoqun Wang
- Institute for Translational Medicine, Medical College of Qingdao University, Qingdao, 266021, China
| | - Ruifeng Mao
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Murugavel Ponnusamy
- Institute for Translational Medicine, Medical College of Qingdao University, Qingdao, 266021, China
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Zhang X, Wang K, Lin Q, Zheng M, Li Q, Li T, Hong Q, Zheng Q, Yu H, Gu Y, Li S, Xia N. A shared N-terminal hydrophobic tail for the formation of nanoparticulates. Nanomedicine (Lond) 2016; 11:2289-303. [PMID: 27499052 DOI: 10.2217/nnm-2016-0146] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
AIM Nanoparticulate design is important for the production of nanotechnological materials and passive immunogens. Using lessons from our hepatitis E vaccine, we herein design protein-based nanoparticles through incorporation of an N-terminal hydrophobic tail (NHT, located on HEV ORF2 aa368-460). MATERIALS & METHODS Flu HA1, HIV gp41/gp120/p24, HBsAg and HPV16 L2 were fused with NHT, expressed in Escherichia coli and subjected to self-assembly in vitro. Nanosized particles were characterized by size-exclusion chromatography and negative electron microscopy. Immunogenicity was assessed in mice. RESULTS All the NHT-fused proteins spontaneously formed nanoparticulates and presented with immunogenicity approximately 2-log over their nonassembling forms. CONCLUSION Protein self-assembly provides an attractive means to create nanosized particles that bear specific antigens. Our strategy outlines a novel and shared method for the design of immunogenic nanoparticles.
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Affiliation(s)
- Xiao Zhang
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China.,National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
| | - Kaihang Wang
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Qingshan Lin
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Minghua Zheng
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Qiong Li
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Tingting Li
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Qiyang Hong
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Qingbing Zheng
- National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
| | - Hai Yu
- National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
| | - Ying Gu
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China.,National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
| | - Shaowei Li
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China.,National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology & Molecular Diagnostics, School of Life Sciences, Xiamen University, Xiamen, China.,National Institute of Diagnostics & Vaccine Development in Infectious Disease, School of Public Health, Xiamen University, Xiamen, China
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