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Lopes JC, Veiga VP, Seminiuk B, Santos LOF, Luiz AMC, Fernandes CA, Kinasz CT, Pellizari VH, Duarte RTD. Freezing and thawing in Antarctica: characterization of antifreeze protein (AFP) producing microorganisms isolated from King George Island, Antarctica. Braz J Microbiol 2024; 55:1451-1463. [PMID: 38656427 PMCID: PMC11153389 DOI: 10.1007/s42770-024-01345-7] [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: 12/31/2023] [Accepted: 04/12/2024] [Indexed: 04/26/2024] Open
Abstract
Antarctic temperature variations and long periods of freezing shaped the evolution of microorganisms with unique survival mechanisms. These resilient organisms exhibit several adaptations for life in extreme cold. In such ecosystems, microorganisms endure the absence of liquid water and exhibit resistance to freezing by producing water-binding molecules such as antifreeze proteins (AFP). AFPs modify the ice structure, lower the freezing point, and inhibit recrystallization. The objective of this study was to select and identify microorganisms isolated from different Antarctic ecosystems based on their resistance to temperatures below 0 °C. Furthermore, the study sought to characterize these microorganisms regarding their potential antifreeze adaptive mechanisms. Samples of soil, moss, permafrost, and marine sediment were collected on King George Island, located in the South Shetland archipelago, Antarctica. Bacteria and yeasts were isolated and subjected to freezing-resistance and ice recrystallization inhibition (IR) tests. A total of 215 microorganisms were isolated, out of which 118 were molecularly identified through molecular analysis using the 16S rRNA and ITS regions. Furthermore, our study identified 24 freezing-resistant isolates, including two yeasts and 22 bacteria. A total of 131 protein extracts were subjected to the IR test, revealing 14 isolates positive for AFP production. Finally, four isolates showed both freeze-resistance and IR activity (Arthrobacter sp. BGS04, Pseudomonas sp. BGS05, Cryobacterium sp. P64, and Acinetobacter sp. M1_25C). This study emphasizes the diversity of Antarctic microorganisms with the ability to tolerate freezing conditions. These microorganisms warrant further investigation to conduct a comprehensive analysis of their antifreeze capabilities, with the goal of exploring their potential for future biotechnological applications.
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Affiliation(s)
- J C Lopes
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
- Postgraduate Program in Biotechnology and Biosciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - V P Veiga
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
| | - B Seminiuk
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
| | - L O F Santos
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
| | - A M C Luiz
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
- Postgraduate Program in Biotechnology and Biosciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - C A Fernandes
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
| | - C T Kinasz
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil
- Postgraduate Program in Biotechnology and Biosciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - V H Pellizari
- Oceanographic Institute, Department of Biological Oceanography, University of São Paulo, 05508-120, São Paulo, SP, Brazil
| | - R T D Duarte
- Laboratory of Molecular Ecology and Extremophiles, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n Trindade, 88040-900, Florianópolis, SC, Brazil.
- Postgraduate Program in Biotechnology and Biosciences, Federal University of Santa Catarina, Florianópolis, Brazil.
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2
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Chen Y, Lin X, Liu X, Liu Y, Bui-Le L, Blakney AK, Yeow J, Zhu Y, Stevens MM, Shattock RJ, Chen R, Brogan APS, Hallett JP. Thermally Robust Solvent-Free Liquid Polyplexes for Heat-Shock Protection and Long-Term Room Temperature Storage of Therapeutic Nucleic Acids. Biomacromolecules 2024; 25:2965-2972. [PMID: 38682378 PMCID: PMC11094731 DOI: 10.1021/acs.biomac.4c00117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
Nucleic acid therapeutics have attracted recent attention as promising preventative solutions for a broad range of diseases. Nonviral delivery vectors, such as cationic polymers, improve the cellular uptake of nucleic acids without suffering the drawbacks of viral delivery vectors. However, these delivery systems are faced with a major challenge for worldwide deployment, as their poor thermal stability elicits the need for cold chain transportation. Here, we demonstrate a biomaterial strategy to drastically improve the thermal stability of DNA polyplexes. Importantly, we demonstrate long-term room temperature storage with a transfection efficiency maintained for at least 9 months. Additionally, extreme heat shock studies show retained luciferase expression after heat treatment at 70 °C. We therefore provide a proof of concept for a platform biotechnology that could provide long-term room temperature storage for temperature-sensitive nucleic acid therapeutics, eliminating the need for the cold chain, which in turn would reduce the cost of distributing life-saving therapeutics worldwide.
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Affiliation(s)
- Yiyan Chen
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
| | - Xiaoyan Lin
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
| | - Xuhan Liu
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
- Shenzhen
University General Hospital, Shenzhen University Clinical Medical
Academy, Shenzhen University, No. 1098 Xueyuan Avenue, Shenzhen 518000, P. R. China
| | - Yifan Liu
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
| | - Liem Bui-Le
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
| | - Anna K. Blakney
- Department
of Infectious Disease, Imperial College
London, Norfolk Place, London W2 1NY, U.K.
- School
of Biomedical Engineering, Michael Smith
Laboratories, 2185 East
Mall, Vancouver, British
Columbia V6T 1Z4, Canada
| | - Jonathan Yeow
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical Engineering at Imperial College London, Prince Consort Rd, SW7 2AZ London, South Kensington, U.K.
| | - Yunqing Zhu
- School
of
Materials Science and Engineering, Tongji
University, Shanghai 200092, China
| | - Molly M. Stevens
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical Engineering at Imperial College London, Prince Consort Rd, SW7 2AZ London, South Kensington, U.K.
| | - Robin J. Shattock
- Department
of Infectious Disease, Imperial College
London, Norfolk Place, London W2 1NY, U.K.
| | - Rongjun Chen
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
| | - Alex P. S. Brogan
- Department
of Chemistry, King’s College London, 7 Trinity Street, London SE1 1DB, U.K.
| | - Jason P. Hallett
- Department
of Chemical Engineering, Imperial College
London, Exhibition Road, London SW7 2AZ, U.K.
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Shahjin F, Patel M, Machhi J, Cohen JD, Nayan MU, Yeapuri P, Zhang C, Waight E, Hasan M, Abdelmoaty MM, Dash PK, Zhou Y, Andreu I, Gendelman HE, Kevadiya BD. Multipolymer microsphere delivery of SARS-CoV-2 antigens. Acta Biomater 2023; 158:493-509. [PMID: 36581007 PMCID: PMC9791794 DOI: 10.1016/j.actbio.2022.12.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/08/2022] [Accepted: 12/20/2022] [Indexed: 12/27/2022]
Abstract
Effective antigen delivery facilitates antiviral vaccine success defined by effective immune protective responses against viral exposures. To improve severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antigen delivery, a controlled biodegradable, stable, biocompatible, and nontoxic polymeric microsphere system was developed for chemically inactivated viral proteins. SARS-CoV-2 proteins encapsulated in polymeric microspheres induced robust antiviral immunity. The viral antigen-loaded microsphere system can preclude the need for repeat administrations, highlighting its potential as an effective vaccine. STATEMENT OF SIGNIFICANCE: Successful SARS-CoV-2 vaccines were developed and quickly approved by the US Food and Drug Administration (FDA). However, each of the vaccines requires boosting as new variants arise. We posit that injectable biodegradable polymers represent a means for the sustained release of emerging viral antigens. The approach offers a means to reduce immunization frequency by predicting viral genomic variability. This strategy could lead to longer-lasting antiviral protective immunity. The current proof-of-concept multipolymer study for SARS-CoV-2 achieve these metrics.
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Affiliation(s)
- Farah Shahjin
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Milankumar Patel
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Jatin Machhi
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Jacob D Cohen
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Mohammad Ullah Nayan
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Pravin Yeapuri
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Chen Zhang
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Emiko Waight
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Mahmudul Hasan
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Mai Mohamed Abdelmoaty
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - Prasanta K Dash
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
| | - You Zhou
- Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Irene Andreu
- RI Consortium of Nanoscience and Nanotechnology and Department of Chemical Engineering University of Rhode Island, RI, USA
| | - Howard E Gendelman
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA.
| | - Bhavesh D Kevadiya
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5800, USA
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Preston KB, Wong TAS, Lieberman MM, To A, Lai CY, Granados A, Thomasson H, Misamore J, Yalley-Ogunro J, Cabus M, Andersen H, Donini O, Lehrer AT, Randolph TW. Lyophilized Filovirus Glycoprotein Vaccines: Peroxides in a Vaccine Formulation with Polysorbate 80-Containing Adjuvant are Associated with Reduced Neutralizing Antibody Titers in Both Mice and Non-Human Primates. J Pharm Sci 2022; 111:3424-3434. [PMID: 35609629 DOI: 10.1016/j.xphs.2022.05.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/18/2022] [Accepted: 05/18/2022] [Indexed: 01/05/2023]
Abstract
Zaire ebolavirus, Sudan ebolavirus, and Marburg marburgvirus are the filoviruses most commonly associated with human disease. Previously, we administered a three-dose regimen of trivalent vaccines comprising glycoprotein antigens from each virus in mice and non-human primates (NHPs). The vaccines, which contained a polysorbate 80-stabilized squalane-in-water emulsion adjuvant and were lyophilized from a solution containing trehalose, produced high antibody levels against all three filovirus antigens. Subsequently, single-vial formulations containing a higher concentration of adjuvant were generated for testing in NHPs, but these vaccines elicited lower neutralizing antibody titers in NHPs than previously tested formulations. In order to explain these results, in the current work we measured the size of adjuvant emulsion droplets and the peroxide levels present in the vaccines after lyophilization and reconstitution and tested the effects of these variables on the immune response in mice. Increases in squalane droplet sizes were observed when the ratio of adjuvant to trehalose was increased beyond a critical value, but antibody and neutralizing antibody titers in mice were independent of the droplet size. Higher levels of peroxides in the vaccines correlated with higher concentrations of adjuvant in the formulations, and higher peroxide levels were associated with increased levels of oxidative damage to glycoprotein antigens. Neutralizing titers in mice were inversely correlated with peroxide levels in the vaccines, but peroxide levels could be reduced by adding free methionine, resulting in retention of high neutralizing antibody titers. Overall, the results suggest that oxidation of glycoprotein antigens by peroxides in the polysorbate 80-stabilized squalane-in-water emulsion adjuvant, but not lyophilization-induced increases in adjuvant emulsion droplet size may have been responsible for the decreased neutralizing titers seen in formulations containing higher amounts of adjuvant.
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Affiliation(s)
- Kendall B Preston
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States
| | - Teri Ann S Wong
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Michael M Lieberman
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Albert To
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Chih-Yun Lai
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | | | | | | | | | - Mehtap Cabus
- BIOQUAL, Inc., Rockville, MD 20850, United States
| | | | | | - Axel T Lehrer
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States.
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5
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Abdoshah M, Hassanzadeh M, Masoudi S, Ashtari A, Yousefi AR, Partovi Nasr M. Thermoresistant Newcastle disease vaccine effectively protects SPF, native, and commercial chickens in challenge with virulent virus. Vet Med Sci 2022; 8:1539-1546. [PMID: 35353959 PMCID: PMC9297754 DOI: 10.1002/vms3.794] [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: 11/20/2022] Open
Abstract
Background Due to the more stability and a better homogenecity in immune response, the use of thermoresistant vaccines in different chicken types has been increased. Objective This study aimed to evaluate the efficacy of a newly developed Newcastle disease vaccine (ND.TR.IR) originating from I‐2 strain in specific pathogen‐free (SPF) and native and broiler chickens. Methods Following determination of pathogenicity indices on the candidate seed, three efficacy examinations were conducted. In the first experiment, 120 1‐day‐old SPF chickens were randomly allocated to six groups and either vaccinated with ND.TR.IR via eye drop at 1, 7, and 21 days of age (V1, V7, and V21), or considered as non‐vaccinated control groups (C1, C7, and C21). At 20th post‐vaccination day, sera hemagglutination inhibition (HI) antibody titres against ND virus (NDV) were measured and then the chickens were challenged by virulent NDV (vNDV). In the second and third experiments, the efficacy of ND.TR.IR vaccine was compared to routine vaccination program (B1 and LaSota) in native and broiler chickens that were vaccinated at 10 and 20 days of age, respectively. The HI antibody titres were measured on 10, 20, 30, and 40 days of age, and also challenge efficacy test with vNDV was conducted on 30 days of age. Results The studied virus, as a vaccinal seed, complied with the pathogenicity indices of avirulent NDV and molecular identity of I‐2 strain. In the efficacy evaluation trials, the vaccinated chickens had higher HI antibody titres against NDV compared with their corresponding control chickens (p < 0.05). Results of the challenge tests indicated 95% and 100% protection against vNDV in native, SPF, and broiler‐vaccinated chickens, respectively. Conclusions The present findings indicated that administration of ND.TR.IR induced appropriate HI antibody titres against NDV in SPF, native, and broiler chickens associated with good protection in efficacy test.
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Affiliation(s)
- Mohammad Abdoshah
- Agricultural Research, Education and Extension Organization (AREEO), Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Mohammad Hassanzadeh
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Shahin Masoudi
- Agricultural Research, Education and Extension Organization (AREEO), Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Abbas Ashtari
- Agricultural Research, Education and Extension Organization (AREEO), Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Ali Reza Yousefi
- Agricultural Research, Education and Extension Organization (AREEO), Razi Vaccine and Serum Research Institute, Karaj, Iran
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6
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Armamentarium of Cryoprotectants in Peptide Vaccines: Mechanistic Insight, Challenges, Opportunities and Future Prospects. Int J Pept Res Ther 2021; 27:2965-2982. [PMID: 34690621 PMCID: PMC8524217 DOI: 10.1007/s10989-021-10303-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2021] [Indexed: 10/30/2022]
Abstract
Vaccines are designed to leverage the immune system and produce long-lasting protection against specific diseases. Peptide vaccines are regarded as safe and effective way of circumventing problems such as mild allergic reactions associated with conventional vaccines. The biggest challenges associated with formulation of peptide vaccines are stability issues and conformational changes which lead to destruction of their activity when exposed to lyophilization process that may act as stressors. Lyophilization process is aimed at removal of water which involves freezing, primary drying and secondary drying. To safeguard the peptide molecules from such stresses, cryoprotectants are used to offer them viability and structural stability. This paper is an attempt to understand the physicochemical properties of peptide vaccines, mechanism of cryoprotection under the shed of water replacement, water substitution theory and cation-pi interaction theory of amino acids which aims at shielding the peptide from external environment by formation of hydrogen bonds, covalent bonds or cation-pi interaction between cryoprotectant and peptide followed by selection criteria of cryoprotectants and their utility in peptide vaccines development along with challenges and opportunities.
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7
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Yoon K, Narsimhan V. Understanding Heat Transfer During the Secondary Drying Stage of Freeze Drying: Current Practice and Knowledge Gaps. J Pharm Sci 2021; 111:368-381. [PMID: 34571133 DOI: 10.1016/j.xphs.2021.09.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 10/20/2022]
Abstract
Currently, there is a lack of robust models for secondary drying with comparable accuracy and flexibility as primary drying models. In order to better understand heat transfer during secondary drying, sucrose and mannitol solutions were freeze-dried in vials in a lab-scale lyophilizer under various drying conditions. Several distinct thermal characteristics for secondary drying were experimentally observed: (1) the vial heat transfer coefficient can change significantly between primary and secondary drying due to the change in water vapor content in the freeze dryer; (2) the thermal mass of the vial plays a major role in determining the cake temperature as roughly 95% of the heat supplied is absorbed by the vial walls. From a theoretical perspective, three different models of secondary drying were examined with varying degrees of complexity (full 3D simulation, 1D-averaged equations, and lumped-capacitance 0D approach). In these models, the desorption of bound water is treated as a one-way coupling with temperature. It is found that although a simple lumped-capacitance approach can capture many of the vital features of cake temperature and moisture profile, near quantitative agreement with experiments can be made by employing a 1D-averaged equation approach, where the effective thermal conductivities of the vial are determined by thermal circuits.
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Affiliation(s)
- Kyu Yoon
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Vivek Narsimhan
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA.
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8
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Preston KB, Wong TAS, To A, Tashiro TE, Lieberman MM, Granados A, Feliciano K, Harrison J, Yalley-Ogunro J, Elyard HA, Donini O, Lehrer AT, Randolph TW. Single-vial filovirus glycoprotein vaccines: Biophysical characteristics and immunogenicity after co-lyophilization with adjuvant. Vaccine 2021; 39:5650-5657. [PMID: 34400019 DOI: 10.1016/j.vaccine.2021.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/23/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Zaire ebolavirus (EBOV), Sudan ebolavirus (SUDV), and Marburg marburgvirus (MARV) are the most prevalent and pathogenic species of filovirus. Previously, we showed that glycoprotein antigens from each virus could be lyophilized to create thermostable monovalent subunit vaccines. However, cross-protection is not expected from the monovalent vaccines and therefore developing a trivalent filovirus vaccine would be desirable. Subunit protein vaccines often require the addition of an adjuvant to sufficiently boost the immunogenicity. Typically, liquid suspensions or emulsions of adjuvants and lyophilized antigens are stored in separate vials to avoid destabilizing interactions and are only mixed immediately before administration. Herein, we describe the development and characterization of monovalent and trivalent filovirus vaccines that are co-lyophilized with a squalane-in-water emulsion adjuvant. We found that the single-vial presentation retained adjuvant particle diameter and zeta potential after lyophilization and reconstitution. Furthermore, the trivalent vaccines elicited high antibody levels against all three antigens in mice and non-human primates. These results advance the prospect of developing a single-vial trivalent filovirus vaccine, which would enable easier distribution and administration of the vaccine to resource-poor areas.
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Affiliation(s)
- Kendall B Preston
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States
| | - Teri Ann S Wong
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Albert To
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Taylor E Tashiro
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Michael M Lieberman
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | | | | | | | | | | | | | - Axel T Lehrer
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States.
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9
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Phyo P, Zhao X, Templeton AC, Xu W, Cheung JK, Su Y. Understanding molecular mechanisms of biologics drug delivery and stability from NMR spectroscopy. Adv Drug Deliv Rev 2021; 174:1-29. [PMID: 33609600 DOI: 10.1016/j.addr.2021.02.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/20/2021] [Accepted: 02/07/2021] [Indexed: 02/06/2023]
Abstract
Protein therapeutics carry inherent limitations of membrane impermeability and structural instability, despite their predominant role in the modern pharmaceutical market. Effective formulations are needed to overcome physiological and physicochemical barriers, respectively, for improving bioavailability and stability. Knowledge of membrane affinity, cellular internalization, encapsulation, and release of drug-loaded carrier vehicles uncover the structural basis for designing and optimizing biopharmaceuticals with enhanced delivery efficiency and therapeutic efficacy. Understanding stabilizing and destabilizing interactions between protein drugs and formulation excipients provide fundamental mechanisms for ensuring the stability and quality of biological products. This article reviews the molecular studies of biologics using solution and solid-state NMR spectroscopy on structural attributes pivotal to drug delivery and stability. In-depth investigation of the structure-function relationship of drug delivery systems based on cell-penetrating peptides, lipid nanoparticles and polymeric colloidal, and biophysical and biochemical stability of peptide, protein, monoclonal antibody, and vaccine, as the integrative efforts on drug product design, will be elaborated.
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Affiliation(s)
- Pyae Phyo
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States
| | - Xi Zhao
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States
| | - Allen C Templeton
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States
| | - Wei Xu
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States
| | - Jason K Cheung
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States
| | - Yongchao Su
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, United States.
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10
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AboulFotouh K, Cui Z, Williams RO. Next-Generation COVID-19 Vaccines Should Take Efficiency of Distribution into Consideration. AAPS PharmSciTech 2021; 22:126. [PMID: 33835300 PMCID: PMC8034273 DOI: 10.1208/s12249-021-01974-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 02/24/2021] [Indexed: 12/13/2022] Open
Abstract
The dire need for safe and effective coronavirus disease (COVID-19) vaccines is met with many vaccine candidates being evaluated in pre-clinical and clinical studies. The COVID-19 vaccine candidates currently in phase 3 or phase 2/3 clinical trials as well as those that recently received emergency use authorization (EUA) from the United States Food and Drug Administration (FDA) and/or other regulatory agencies worldwide require either cold (i.e., 2–8°C) or even freezing temperatures as low as −70°C for storage and distribution. Thus, existing cold chain will struggle to support both the standard national immunization programs and COVID-19 vaccination. The requirement for cold chain is now a major challenge towards worldwide rapid mass vaccination against COVID-19. In this commentary, we stress that thermostabilizing technologies are available to enable cold chain-free vaccine storage and distribution, as well as potential needle-free vaccination. Significant efforts on thermostabilizing technologies must now be applied on next-generation COVID-19 vaccines for more cost-effective worldwide mass vaccination and COVID-19 eradication.
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Preston KB, Randolph TW. Stability of lyophilized and spray dried vaccine formulations. Adv Drug Deliv Rev 2021; 171:50-61. [PMID: 33484735 DOI: 10.1016/j.addr.2021.01.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/16/2022]
Abstract
Liquid formulations of vaccines are subject to instabilities that result from degradation processes that proceed via a variety of physical and chemical pathways. In dried formulations, such as those prepared by lyophilization or spray drying, many of these degradation pathways may be avoided or inhibited. Thus, the stability of vaccine formulations can be enhanced significantly in the absence of bulk water. Potential advantages of dry vaccine formulations include extended shelf lives and less stringent cold-chain storage requirements, both of which offer possibilities of reduced vaccine wastage and facilitated distribution to resource-poor areas. Lyophilization and spray drying represent the most common methods of stabilizing vaccines through drying. This article reviews several lyophilized and spray dried vaccines that address a diverse set of pathogens, as well as some of the assays used to quantify their stability. Recent dry vaccine trends include needle-free delivery of dry powder via non-parenteral routes of administration and the incorporation of advanced vaccine adjuvants into formulations, which further contribute to the goal of increasing vaccine distribution to resource-poor areas. Challenges associated with development of these newer technologies are also discussed.
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Affiliation(s)
- Kendall B Preston
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States of America
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States of America.
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12
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Bui-Le L, Brogan APS, Hallett JP. Solvent-free liquid avidin as a step toward cold chain elimination. Biotechnol Bioeng 2020; 118:592-600. [PMID: 33090452 DOI: 10.1002/bit.27587] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/21/2020] [Accepted: 09/27/2020] [Indexed: 11/10/2022]
Abstract
The temperature sensitivity of vaccines and therapeutic proteins forces the distribution of life-saving treatments to rely heavily on the temperature-controlled (usually 2-8°C) supply and distribution network known as the cold chain. Here, using avidin as a model, we demonstrate how surface engineering could significantly increase the thermal stability of therapeutic proteins. A combination of spectroscopic (Fourier transform infrared, circular dichroism, and ultraviolet-visible) and scattering techniques (dynamic light scattering, small-angle, and wide-angle X-ray scattering) were deployed to probe the activity, structure, and stability of the model protein. Temperature-dependent synchrotron radiation circular dichroism spectroscopy was used to demonstrate a significant increase in thermal stability, with a half denaturation temperature of 139.0°C and reversible unfolding with modified avidin returning to a 90% folded state when heated to temperatures below 100°C. Accelerated aging studies revealed that modified avidin retained its secondary structure after storage at 40°C for 56 days, equivalent to 160 days at 25°C. Furthermore, binding studies with multiple ligands revealed that the binding site remained functional after modification. As a result, this approach has potential as a storage technology for therapeutic proteins and the elimination of the cold chain, enabling the dissemination of life-saving vaccines worldwide.
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Affiliation(s)
- Liem Bui-Le
- Department of Chemical Engineering, Imperial College London, London, UK
| | - Alex P S Brogan
- Department of Chemistry, King's College London, Britannia House, London, UK
| | - Jason P Hallett
- Department of Chemical Engineering, Imperial College London, London, UK
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13
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Scutellà B, Bourlès E. Development of freeze-drying cycle via design space approach: a case study on vaccines. Pharm Dev Technol 2020; 25:1302-1313. [PMID: 32752908 DOI: 10.1080/10837450.2020.1806298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Freeze-drying is a dehydration process that provides improved stability of vaccine formulations for shipment and storage. During the primary drying steps of the process, product temperature has to be maintained below a critical value to avoid visual defects of the product, leading to an increase of the sublimation time and thus of the operational costs. In this work, we used the design space approach together with experimental analysis for the development of the primary drying step of a vaccine model formulation. First, the formulation was characterized by determining the glass transition and the collapse temperatures. Successively, the dynamic design space of primary drying was calculated via mathematical modelling, and a proven acceptable range (PAR) was defined around the selected operating values. Finally, the cycle and the PAR were validated by performing a freeze-drying cycle at pilot scale and by evaluating the values of the product critical quality attributes (e.g. moisture content, visual aspect, reconstitution time).
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Madani F, Hsein H, Busignies V, Tchoreloff P. An overview on dosage forms and formulation strategies for vaccines and antibodies oral delivery. Pharm Dev Technol 2019; 25:133-148. [DOI: 10.1080/10837450.2019.1689402] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Tan YZ, Chong YQ, Khong E, Liew YK, Chieng N. Effect of disaccharide-polyol systems on the thermal stability of freeze-dried Mycobacterium bovis. Int J Pharm 2019; 566:400-409. [DOI: 10.1016/j.ijpharm.2019.05.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 05/04/2019] [Accepted: 05/23/2019] [Indexed: 11/25/2022]
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16
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Dumpa N, Goel K, Guo Y, McFall H, Pillai AR, Shukla A, Repka MA, Murthy SN. Stability of Vaccines. AAPS PharmSciTech 2019; 20:42. [PMID: 30610415 DOI: 10.1208/s12249-018-1254-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 10/03/2018] [Indexed: 12/17/2022] Open
Abstract
Vaccines are considered the most economical and effective preventive measure against most deadly infectious diseases. Vaccines help protect around three million lives every year, but hundreds of thousands of lives are lost due to the instability of vaccines. This review discusses the various types of instability observed, while manufacturing, storing, and distributing vaccines. It describes the specific stability problems associated with each type of vaccine. This review also discusses the various measures adopted to overcome these instability problems. Vaccines are classified based on their components, and this review discusses how these preventive measures relate to each type of vaccine. This review also includes certain case studies that illustrate various approaches to improve vaccine stability. Last, this review provides insight on prospective methods for developing more stable vaccines.
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Scale-Up of Freeze-Drying Cycles, the Use of Process Analytical Technology (PAT), and Statistical Analysis. METHODS IN PHARMACOLOGY AND TOXICOLOGY 2019. [DOI: 10.1007/978-1-4939-8928-7_10] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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18
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Riccò R, Liang W, Li S, Gassensmith JJ, Caruso F, Doonan C, Falcaro P. Metal-Organic Frameworks for Cell and Virus Biology: A Perspective. ACS NANO 2018; 12:13-23. [PMID: 29309146 DOI: 10.1021/acsnano.7b08056] [Citation(s) in RCA: 175] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Metal-organic frameworks (MOFs) are a class of coordination polymers, consisting of metal ions or clusters linked together by chemically mutable organic groups. In contrast to zeolites and porous carbons, MOFs are constructed from a building block strategy that enables molecular level control of pore size/shape and functionality. An area of growing interest in MOF chemistry is the synthesis of MOF-based composite materials. Recent studies have shown that MOFs can be combined with biomacromolecules to generate novel biocomposites. In such materials, the MOF acts as a porous matrix that can encapsulate enzymes, oligonucleotides, or even more complex structures that are capable of replication/reproduction (i.e., viruses, bacteria, and eukaryotic cells). The synthetic approach for the preparation of these materials has been termed "biomimetic mineralization", as it mimics natural biomineralization processes that afford protective shells around living systems. In this Perspective, we focus on the preparation of MOF biocomposites that are composed of complex biological moieties such as viruses and cells and canvass the potential applications of this encapsulation strategy to cell biology and biotechnology.
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Affiliation(s)
- Raffaele Riccò
- Institute of Physical and Theoretical Chemistry, Graz University of Technology , Stremayrgasse 9, 8010 Graz, Austria
| | - Weibin Liang
- Department of Chemistry, School of Physical Sciences, The University of Adelaide , North Terrace Campus, Adelaide, SA 5005, Australia
| | - Shaobo Li
- Department of Chemistry and Biochemistry, The University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Jeremiah J Gassensmith
- Department of Chemistry and Biochemistry, The University of Texas at Dallas , Richardson, Texas 75080, United States
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Christian Doonan
- Department of Chemistry, School of Physical Sciences, The University of Adelaide , North Terrace Campus, Adelaide, SA 5005, Australia
| | - Paolo Falcaro
- Institute of Physical and Theoretical Chemistry, Graz University of Technology , Stremayrgasse 9, 8010 Graz, Austria
- Department of Chemistry, School of Physical Sciences, The University of Adelaide , North Terrace Campus, Adelaide, SA 5005, Australia
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19
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Formulation Studies During Preclinical Development of Influenza Hemagglutinin and Virus-Like Particle Vaccine Candidates. Methods Mol Biol 2016. [PMID: 27076313 DOI: 10.1007/978-1-4939-3389-1_27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
A critical element of vaccine formulation studies is the identification of chemical and physical degradation pathways that compromise structural integrity, and which may in turn affect the clinical safety and efficacy, of macromolecular antigens. Formulation development helps optimize and maintain the long-term storage stability and viability of vaccine antigens in pharmaceutically relevant dosage forms. The protocols presented in this manuscript highlight the use of accelerated stability studies for the formulation of influenza vaccine candidates including virus-like particles (VLP) and particle forming hemagglutinin (HA) antigens. Three case studies, each targeting a different facet of preclinical vaccine formulation development, are reviewed: (1) excipient screening experiments to mitigate VLP physical degradation, (2) methods for monitoring a specific chemical perturbation of the recombinant HA antigen and elucidating its effect on in vitro potency, and (3) maintaining HA conformational stability in the presence of freeze-thaw and freeze-drying stresses.
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20
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Hansen L, Daoussi R, Vervaet C, Remon JP, De Beer T. Freeze-drying of live virus vaccines: A review. Vaccine 2015; 33:5507-5519. [DOI: 10.1016/j.vaccine.2015.08.085] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 08/19/2015] [Accepted: 08/29/2015] [Indexed: 12/31/2022]
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21
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FTIR spectroscopy for the detection and evaluation of live attenuated viruses in freeze dried vaccine formulations. Biotechnol Prog 2015; 31:1107-18. [DOI: 10.1002/btpr.2100] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 04/29/2015] [Indexed: 11/07/2022]
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22
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Induced anhydrobiosis: Powerful method for preservation of industrial microorganisms. Microb Biotechnol 2014. [DOI: 10.1201/b17587-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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23
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Ghobadloo SM, Balcerzak AK, Gargaun A, Muharemagic D, Mironov GG, Capicciotti CJ, Briard JG, Ben RN, Berezovski MV. Carbohydrate-based ice recrystallization inhibitors increase infectivity and thermostability of viral vectors. Sci Rep 2014; 4:5903. [PMID: 25078058 PMCID: PMC4116624 DOI: 10.1038/srep05903] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 07/16/2014] [Indexed: 12/28/2022] Open
Abstract
The inability of vaccines to retain sufficient thermostability has been an obstacle to global vaccination programs. To address this major limitation, we utilized carbohydrate-based ice recrystallization inhibitors (IRIs) to eliminate the cold chain and stabilize the potency of Vaccinia virus (VV), Vesicular Stomatitis virus (VSV) and Herpes virus-1 (HSV-1). The impact of these IRIs was tested on the potency of the viral vectors using a plaque forming unit assay following room temperature storage, cryopreservation with successive freeze-thaw cycles and lyophilization. Viral potency after storage with all three conditions demonstrated that N-octyl-gluconamide (NOGlc) recovered the infectivity of shelf stored VV, 5.6 Log10 PFU mL−1 during 40 days, and HSV-1, 2.7 Log10 PFU mL−1 during 9 days. Carbon-linked antifreeze glycoprotein analogue ornithine-glycine-glycine-galactose (OGG-Gal) increases the recovery of VV and VSV more than 1 Log10 PFU mL−1 after 10 freeze-thaw cycles. In VSV, cryostorage with OGG-Gal maintains high infectivity and reduces temperature-induced aggregation of viral particles by 2 times that of the control. In total, OGG-Gal and NOGlc preserve virus potency during cryostorage. Remarkably, NOGlc has potential to eliminate the cold chain and permit room temperature storage of viral vectors.
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Affiliation(s)
| | - Anna K Balcerzak
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Ana Gargaun
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Darija Muharemagic
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Gleb G Mironov
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | | | - Jennie G Briard
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Robert N Ben
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Maxim V Berezovski
- Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
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24
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Kumru OS, Joshi SB, Smith DE, Middaugh CR, Prusik T, Volkin DB. Vaccine instability in the cold chain: mechanisms, analysis and formulation strategies. Biologicals 2014; 42:237-59. [PMID: 24996452 DOI: 10.1016/j.biologicals.2014.05.007] [Citation(s) in RCA: 230] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 05/12/2014] [Accepted: 05/27/2014] [Indexed: 12/15/2022] Open
Abstract
Instability of vaccines often emerges as a key challenge during clinical development (lab to clinic) as well as commercial distribution (factory to patient). To yield stable, efficacious vaccine dosage forms for human use, successful formulation strategies must address a combination of interrelated topics including stabilization of antigens, selection of appropriate adjuvants, and development of stability-indicating analytical methods. This review covers key concepts in understanding the causes and mechanisms of vaccine instability including (1) the complex and delicate nature of antigen structures (e.g., viruses, proteins, carbohydrates, protein-carbohydrate conjugates, etc.), (2) use of adjuvants to further enhance immune responses, (3) development of physicochemical and biological assays to assess vaccine integrity and potency, and (4) stabilization strategies to protect vaccine antigens and adjuvants (and their interactions) during storage. Despite these challenges, vaccines can usually be sufficiently stabilized for use as medicines through a combination of formulation approaches combined with maintenance of an efficient cold chain (manufacturing, distribution, storage and administration). Several illustrative case studies are described regarding mechanisms of vaccine instability along with formulation approaches for stabilization within the vaccine cold chain. These include live, attenuated (measles, polio) and inactivated (influenza, polio) viral vaccines as well as recombinant protein (hepatitis B) vaccines.
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Affiliation(s)
- Ozan S Kumru
- Macromolecule and Vaccine Stabilization Center, Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047, USA
| | - Sangeeta B Joshi
- Macromolecule and Vaccine Stabilization Center, Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047, USA
| | - Dawn E Smith
- Temptime Corporation, Morris Plains, NJ 07950, USA
| | - C Russell Middaugh
- Macromolecule and Vaccine Stabilization Center, Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047, USA
| | - Ted Prusik
- Temptime Corporation, Morris Plains, NJ 07950, USA
| | - David B Volkin
- Macromolecule and Vaccine Stabilization Center, Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047, USA.
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25
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Lal M, Zhu C, McClurkan C, Koelle DM, Miller P, Afonso C, Donadeu M, Dungu B, Chen D. Development of a low-dose fast-dissolving tablet formulation of Newcastle disease vaccine for low-cost backyard poultry immunisation. Vet Rec 2014; 174:504. [PMID: 24591479 DOI: 10.1136/vr.101926] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The immunisation of backyard poultry is critical for maintaining healthy flocks to provide nutrition and income for low-resource farmers worldwide. A vaccine presentation for flocks of less than 50 birds could make it more affordable and accessible, increasing uptake and impact. Fast-dissolving tablets (FDT) of Newcastle disease virus (NDV) vaccine were produced by freeze drying the LaSota NDV strain combined with excipients into tablets containing a small number of doses and packaged in polymer blister sheets. The NDV-FDT vaccine maintained virus stability for more than six months at 4°C, based on plaque assay and egg infectivity dose data. Stability was further confirmed in a challenge study, where the tablet vaccine elicited a strong immune response and provided 100 per cent protection to vaccinated chickens infected with a virulent strain of NDV. The vaccine tablet can be diluted in water (no needle or syringe required) and administered either in drinking water or with a dropper via an intraocular and/or intransal route. Results indicate that FDTs containing a small number of doses are a feasible presentation for backyard poultry farmers. The compact packaging of the FDTs will also provide cost savings in storing and distributing the vaccine in the cold chain.
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Affiliation(s)
- M Lal
- Department of Vaccine and Pharmaceutical Technologies, PATH, Seattle, WA, USA
| | - C Zhu
- Department of Vaccine and Pharmaceutical Technologies, PATH, Seattle, WA, USA
| | - C McClurkan
- Division of Allergy and Infectious Diseases, Department of Medicine,Division of Virology, Department of Laboratory Medicine, Department of Global Health, University of Washington, Seattle, WA, USA Vaccine and Infectious Disease Division, The Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - D M Koelle
- Division of Allergy and Infectious Diseases, Department of Medicine,Division of Virology, Department of Laboratory Medicine, Department of Global Health, University of Washington, Seattle, WA, USA Vaccine and Infectious Disease Division, The Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - P Miller
- Southeast Poultry Research Lab, USDA ARS, Athens, GA, USA
| | - C Afonso
- Southeast Poultry Research Lab, USDA ARS, Athens, GA, USA
| | - M Donadeu
- Global Alliance for Livestock Veterinary Medicines, Edinburgh, Scotland, UK
| | - B Dungu
- Global Alliance for Livestock Veterinary Medicines, Edinburgh, Scotland, UK
| | - D Chen
- Department of Vaccine and Pharmaceutical Technologies, PATH, Seattle, WA, USA
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26
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Near-infrared spectroscopic evaluation of lyophilized viral vaccine formulations. Biotechnol Prog 2013; 29:1573-86. [DOI: 10.1002/btpr.1807] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 08/15/2013] [Indexed: 11/07/2022]
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27
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Harro CD, Betts RF, Hartzel JS, Onorato MT, Lipka J, Smugar SS, Kartsonis NA. The immunogenicity and safety of different formulations of a novel Staphylococcus aureus vaccine (V710): Results of two Phase I studies. Vaccine 2012; 30:1729-36. [DOI: 10.1016/j.vaccine.2011.12.045] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 12/02/2011] [Accepted: 12/07/2011] [Indexed: 11/28/2022]
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28
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Chen S, Guo D, Guo B, Liu J, Shen Y, Xu X, Huang W, Guo S. Investigation on formulation and preparation of adenovirus encoding human endostatin lyophilized powders. Int J Pharm 2012; 427:145-52. [PMID: 22234038 DOI: 10.1016/j.ijpharm.2011.12.056] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 12/16/2011] [Accepted: 12/29/2011] [Indexed: 10/14/2022]
Abstract
A recombinant adenovirus encoding human endostatin gene, E10A, has finished phase II trials for head and neck cancer. However, the rigid storage temperature (-80°C) and the toxicity of glycerol in the E10A liquid preparation limited its clinical application. In this study, lyophilization was applied to develop a stable E10A lyophilized powder without glycerol that is able to maintain biological activity at 4°C and suitable for intravenous administration. The E10A lyophilized formulations composed of nontoxic and already clinically used excipients were characterized in terms of the pH change during freezing, the eutectic melting temperature (T(eu)) and the collapse temperature (T(c)). Freeze thawing tests were carried out to examine the protective effect of various excipients during freezing. Mannitol and its combinations with sucrose or inulin showed effective protection of E10A. The E10A lyophilized powders were analyzed by particle size measurement, residual humidity quantification, infectivity assay and gene expression level. An optimized formulation (formulation I1) yielded a good recovery of 76% of the starting infectivity after lyophilization and 89% of the original infectivity after storage at 4°C for 180 days. Also the gene expression capability of E10A in formulation I1 was maintained after lyophilization. In addition, it was found that the matrix of amorphous excipients, mannitol combinations with sucrose or inulin, was indispensible in protecting E10A against the stress of freezing and dehydration. Hereby, the E10A lyophilized powder with eliminated glycerol toxicity and improved stability could enhance the applicability of E10A for cancer gene therapy through intravenous administration.
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Affiliation(s)
- Shuangning Chen
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
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29
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Amorij JP, Kersten GFA, Saluja V, Tonnis WF, Hinrichs WLJ, Slütter B, Bal SM, Bouwstra JA, Huckriede A, Jiskoot W. Towards tailored vaccine delivery: needs, challenges and perspectives. J Control Release 2012; 161:363-76. [PMID: 22245687 DOI: 10.1016/j.jconrel.2011.12.039] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 12/22/2011] [Accepted: 12/27/2011] [Indexed: 11/30/2022]
Abstract
The ideal vaccine is a simple and stable formulation which can be conveniently administered and provides life-long immunity against a given pathogen. The development of such a vaccine, which should trigger broad and strong B-cell and T-cell responses against antigens of the pathogen in question, is highly dependent on tailored vaccine delivery approaches. This review addresses vaccine delivery in its broadest scope. We discuss the needs and challenges in the area of vaccine delivery, including restrictions posed by specific target populations, potentials of dedicated stable formulations and devices, and the use of adjuvants. Moreover, we address the current status and perspectives of vaccine delivery via several routes of administration, including non- or minimally invasive routes. Finally we suggest possible directions for future vaccine delivery research and development.
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Affiliation(s)
- Jean-Pierre Amorij
- Vaccinology, National Institute for Public Health and Environment, Bilthoven, The Netherlands
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31
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Hazra A, Chatterjee A, Begley TP. Biosynthesis of the thiamin thiazole in Bacillus subtilis: identification of the product of the thiazole synthase-catalyzed reaction. J Am Chem Soc 2010; 131:3225-9. [PMID: 19216519 DOI: 10.1021/ja806752h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this paper, we describe an optimized reconstitution of the thiamin thiazole synthase (ThiG) catalyzed reaction and demonstrate that the enzymatic product is an unanticipated dearomatized thiazole tautomer.
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Affiliation(s)
- Amrita Hazra
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
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32
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Alcock R, Cottingham MG, Rollier CS, Furze J, De Costa SD, Hanlon M, Spencer AJ, Honeycutt JD, Wyllie DH, Gilbert SC, Bregu M, Hill AVS. Long-term thermostabilization of live poxviral and adenoviral vaccine vectors at supraphysiological temperatures in carbohydrate glass. Sci Transl Med 2010; 2:19ra12. [PMID: 20371486 DOI: 10.1126/scitranslmed.3000490] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Live recombinant viral vectors based on adenoviruses and poxviruses are among the most promising platforms for development of new vaccines against diseases such as malaria, tuberculosis, and HIV-AIDS. Vaccines based on live viruses must remain infectious to be effective, so therefore need continuous refrigeration to maintain stability and viability, a requirement that can be costly and difficult, especially in developing countries. The sugars sucrose and trehalose are commonly used as stabilizing agents and cryoprotectants for biological products. Here, we have exploited the ability of these sugars to vitrify on desiccation to develop a thermostabilization technique for live viral vaccine vectors. By slowly drying vaccines suspended in solutions of these disaccharide stabilizers onto a filter-like support membrane at ambient temperature, an ultrathin glass is deposited on the fibers of the inert matrix. Immobilization of two recombinant vaccine vectors-E1/E3-deleted human adenovirus type 5 and modified vaccinia virus Ankara-in this glass on the membranes enabled complete recovery of viral titer and immunogenicity after storage at up to 45 degrees C for 6 months and even longer with minimal losses. Furthermore, the membrane carrying the stabilized vaccine can be incorporated into a holder attached to a syringe for almost simultaneous reconstitution and injection at point of use. The technology may potentially be developed for the deployment of viral vector-based biopharmaceuticals in resource-poor settings.
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Affiliation(s)
- Robert Alcock
- Cambridge Biostability Ltd., Cambridge Science Park, Milton Road, Cambridge, UK
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33
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Andrianov AK, Marin A, DeCollibus DP. Microneedles with Intrinsic Immunoadjuvant Properties: Microfabrication, Protein Stability, and Modulated Release. Pharm Res 2010; 28:58-65. [DOI: 10.1007/s11095-010-0133-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2009] [Accepted: 03/24/2010] [Indexed: 11/28/2022]
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Andrianov AK, DeCollibus DP, Gillis HA, Kha HH, Marin A, Prausnitz MR, Babiuk LA, Townsend H, Mutwiri G. Poly[di(carboxylatophenoxy)phosphazene] is a potent adjuvant for intradermal immunization. Proc Natl Acad Sci U S A 2009; 106:18936-41. [PMID: 19864632 PMCID: PMC2770009 DOI: 10.1073/pnas.0908842106] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2009] [Indexed: 11/18/2022] Open
Abstract
Intradermal immunization using microfabricated needles represents a potentially powerful technology, which can enhance immune responses and provide antigen sparing. Solid vaccine formulations, which can be coated onto microneedle patches suitable for simple administration, can also potentially offer improved shelf-life. However the approach is not fully compatible with many vaccine adjuvants including alum, the most common adjuvant used in the vaccine market globally. Here, we introduce a polyphosphazene immuno adjuvant as a biologically potent and synergistic constituent of microneedle-based intradermal immunization technology. Poly[di(carboxylatophenoxy)phosphazene], PCPP, functions both as a vaccine adjuvant and as a key microfabrication material. When used as part of an intradermal delivery system for hepatitis B surface antigen, PCPP demonstrates superior activity in pigs compared to intramascular administration and significant antigen sparing potential. It also accelerates the microneedle fabrication process and reduces its dependence on the use of surfactants. In this way, PCPP-coated microneedles may enable effective intradermal vaccination from an adjuvanted patch delivery system.
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Comparative stability study of lyophilised aluminium hydroxide adjuvanted vaccine formulations containing a monoclonal antibody as a model antigen and methods used for their characterisation. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2009.01.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Lang R, Winter G, Vogt L, Zürcher A, Dorigo B, Schimmele B. Rational Design of a Stable, Freeze-Dried Virus-Like Particle-Based Vaccine Formulation. Drug Dev Ind Pharm 2009; 35:83-97. [DOI: 10.1080/03639040802192806] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Goyal AK, Khatri K, Mishra N, Mehta A, Vaidya B, Tiwari S, Vyas SP. Aquasomes—A Nanoparticulate Approach for the Delivery of Antigen. Drug Dev Ind Pharm 2008; 34:1297-305. [DOI: 10.1080/03639040802071661] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Peek LJ, Martin TT, Elk Nation C, Pegram SA, Middaugh CR. Effects of stabilizers on the destabilization of proteins upon adsorption to aluminum salt adjuvants. J Pharm Sci 2007; 96:547-57. [PMID: 17080408 DOI: 10.1002/jps.20762] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Excipients for protein-based vaccines are currently identified by evaluating the stability of the protein in solution. In most cases, however, the protein is adsorbed to the surface of an aluminum salt adjuvant in the final vaccine formulation. Previous studies showed that model protein antigens may be structurally altered and less thermally stable upon adsorption to aluminum salt adjuvants [Jones LS, Peek LJ, Power J, Markham A, Yazzie B, Middaugh CR, 2005, J Biol Chem 280:13406-13414]. The work presented herein provides evidence that compounds that stabilize the protein in solution also stabilize the adsorbed protein; however, the stability of the adsorbed protein in the presence of the stabilizer remains lower than that of the protein in solution. Potential implications of the reduced stability on the approach used to select excipients during formulation development are discussed.
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Affiliation(s)
- Laura J Peek
- Department of Pharmaceutical Chemistry, University of Kansas, 2030 Becker Drive, Lawrence, Kansas 66047, USA
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Abstract
Worldwide vaccination programs against infectious diseases and toxins are estimated to save approximately 3 million lives yearly. Tragically, however, another 3 million individuals (primarily children) die of vaccine-preventable diseases. A significant portion of this problem results from the thermal instability of many of the currently used vaccines. This review argues that modern methods of physical and chemical analysis permit for the first time characterization of the degradative pathways of thermally labile vaccines. A rigorous description of these pathways permit a more rational and systematic approach to the stabilization of vaccines. A direct result of the replacement of currently employed, primarily empirical, approaches to vaccine stabilization with a more molecular-based methodology should be the development of more universally available vaccinations against life-threatening diseases. This has the potential to have a dramatic impact on world health.
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Affiliation(s)
- Duane T Brandau
- Department of Pharmaceutical Chemistry, The University of Kansas, 2095 Constant Avenue, Lawrence, Kansas 66047, USA
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