1
|
Eshraghi Y, Vahdani Y, Karimi P, Abdollahpour-Alitappeh M, Abdoli A, Taghizadeh M, Mahdavi M. Immunomodulatory Effects of α-Tocopherol on the H1N1 Influenza Vaccine: Improving the Potency and Efficacy of the Influenza Vaccine in Aged Mice. Viral Immunol 2022; 35:244-253. [PMID: 35467429 DOI: 10.1089/vim.2021.0154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Declined immune response is the main cause of decreased potency of the influenza vaccine in the elderly, regardless of virus mutations. Herein, we hypothesized that the addition of α-tocopherol to the influenza vaccine formulation might increase vaccine potency and efficacy. Hemagglutinin of the H1N1 virus was formulated in Alum and α-tocopherol, and then aged (16-20-month-old) and young (6-8-week-old) mice were immunized subcutaneously two times with 2-week intervals with 5 μg of different vaccine formulations. Two weeks after the final boosting, IFN-γ and IL-4 cytokines were assessed by using ELISA. Humoral immune responses were assessed by hemagglutination inhibition (HI). In addition, vaccine efficacy was determined by intranasal viral challenge of mice using mouse-adapted H1N1 virus. Our results showed that the new vaccine formulation improved IFN-γ and IL-4 responses in the experimental mice. However, the increase was evident mainly in the aged group and, to some extent, in the young group. Results from the HI assay showed that α-tocopherol in the vaccine formulation could increase HI activity in both young and aged mice. Furthermore, α-tocopherol, as an adjuvant, increased the protectivity of the influenza vaccine in both aged and young groups through the decreased lung viral load and increased survival rate of the experimental mice. In conclusion, it seems that α-tocopherol can not only be used as an appropriate adjuvant for aged people, but also empower old and worn out cells to increase the effectiveness of the vaccine in the elderly.
Collapse
Affiliation(s)
- Yasaman Eshraghi
- Department of Advanced Therapy Medicinal Product (ATMP), Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran.,Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Microbiology, Faculty of Advanced Sciences & Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Yasaman Vahdani
- Department of Microbiology, Faculty of Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Pegah Karimi
- Department of Advanced Therapy Medicinal Product (ATMP), Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran.,Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Meghdad Abdollahpour-Alitappeh
- Cellular and Molecular Biology Research Center, Larestan University of Medical Sciences, Larestan, Iran.,Student Research Committee, Larestan University of Medical Sciences, Larestan, Iran
| | - Asghar Abdoli
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
| | - Morteza Taghizadeh
- Department of Human Vaccine, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Mehdi Mahdavi
- Department of Advanced Therapy Medicinal Product (ATMP), Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran.,Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Immunotherapy Group, The Institute of Pharmaceutical Science (TIPS), Tehran University of Medical Science, Tehran, Iran.,Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| |
Collapse
|
2
|
Dmour I, Islam N. Recent advances on chitosan as an adjuvant for vaccine delivery. Int J Biol Macromol 2022; 200:498-519. [PMID: 34973993 DOI: 10.1016/j.ijbiomac.2021.12.129] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/05/2021] [Accepted: 12/19/2021] [Indexed: 12/21/2022]
Abstract
Chitosan (CS) is a natural polymer derived from chitin that has wide applications in drugs, vaccines, and antigen delivery. The distinctive mucoadhesive, biocompatibility, biodegradable, and less toxic properties of chitosan compared to the currently used vaccine adjuvants made it a promising candidate for use as an adjuvant/carrier in vaccine delivery. In addition, chitosan exhibits intrinsic immunomodulating properties making it a suitable adjuvant in preparing vaccines delivery systems. Nanoparticles (NPs) of chitosan and its derivatives loaded with antigen have been shown to induce cellular and humoral responses. Versatility in the physicochemical properties of chitosan can provide an excellent opportunity to engineer antigen-specific adjuvant/delivery systems. This review discusses the recent advances of chitosan and its derivatives as adjuvants in vaccine deliveryand the published literature in the last fifteen years. The impact of physicochemical properties of chitosan on vaccine formulation has been described in detail. Applications of chitosan and its derivatives, their physicochemical properties, and mechanisms in enhancing immune responses have been discussed. Finally, challenges and future aspects of chitosan use has been pointed out.
Collapse
Affiliation(s)
- Isra Dmour
- Faculty of Pharmaceutical Sciences, The Hashemite University, Zarqa, Jordan.
| | - Nazrul Islam
- Pharmacy Discipline, School of Clinical Sciences, Faculty of Health, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; Centre for Immunology and Infection Control (CIIC), Queensland University of Technology (QUT), Brisbane, QLD, Australia
| |
Collapse
|
3
|
Zuo Z, Zou Y, Li Q, Guo Y, Zhang T, Wu J, He C, Eko FO. Intranasal immunization with inactivated chlamydial elementary bodies formulated in VCG-chitosan nanoparticles induces robust immunity against intranasal Chlamydia psittaci challenge. Sci Rep 2021; 11:10389. [PMID: 34001988 PMCID: PMC8129140 DOI: 10.1038/s41598-021-89940-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/04/2021] [Indexed: 02/03/2023] Open
Abstract
Vaccines based on live attenuated Chlamydia elementary bodies (EBs) can cause disease in vaccinated animals and the comparably safer inactivated whole EBs are only marginally protective. Recent studies show that a vaccine formulation comprising UV-inactivated EBs (EB) and appropriate mucosal delivery systems and/or adjuvants induced significant protective immunity. We tested the hypothesis that intranasal delivery of UV-inactivated C. psittaci EB formulated in Vibrio cholerae ghosts (VCG)-chitosan nanoparticles will induce protective immunity against intranasal challenge in SPF chickens. We first compared the impact of VCG and CpG adjuvants on protective immunity following IN mucosal and IM systemic delivery of EB formulated in chitosan hydrogel/microspheres. Immunologic analysis revealed that IN immunization in the presence of VCG induced higher levels of IFN-γ response than IM delivery or the CpG adjuvanted groups. Also, vaccine efficacy evaluation showed enhanced pharyngeal bacterial clearance and protection against lung lesions with the VCG adjuvanted vaccine formulation, thereby establishing the superior adjuvanticity of VCG over CpG. We next evaluated the impact of different concentrations of VCG on protective immunity following IN mucosal immunization. Interestingly, the adjuvanticity of VCG was concentration-dependent, since protective immunity induced following IN mucosal immunization showed dose-dependent immune responses and protection. These studies reveal that formulation of inactivated chlamydial antigens with adjuvants, such as VCG and chitosan increases their ability to induce protective immune responses against challenge.
Collapse
Affiliation(s)
- Zonghui Zuo
- grid.22935.3f0000 0004 0530 8290Key Lab of Animal Epidemiology and Zoonosis, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 People’s Republic of China
| | - Yongjuan Zou
- grid.9227.e0000000119573309Key Laboratory of Biopharmaceutical Production and Formulation Engineering, Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Qiang Li
- grid.22935.3f0000 0004 0530 8290Key Lab of Animal Epidemiology and Zoonosis, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 People’s Republic of China
| | - Yongxia Guo
- grid.22935.3f0000 0004 0530 8290Key Lab of Animal Epidemiology and Zoonosis, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 People’s Republic of China
| | - Tianyuan Zhang
- grid.22935.3f0000 0004 0530 8290Key Lab of Animal Epidemiology and Zoonosis, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 People’s Republic of China
| | - Jie Wu
- grid.9227.e0000000119573309Key Laboratory of Biopharmaceutical Production and Formulation Engineering, Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Cheng He
- grid.22935.3f0000 0004 0530 8290Key Lab of Animal Epidemiology and Zoonosis, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 People’s Republic of China
| | - Francis O. Eko
- grid.9001.80000 0001 2228 775XDepartment of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA 30310 USA
| |
Collapse
|
4
|
Boroumand H, Badie F, Mazaheri S, Seyedi ZS, Nahand JS, Nejati M, Baghi HB, Abbasi-Kolli M, Badehnoosh B, Ghandali M, Hamblin MR, Mirzaei H. Chitosan-Based Nanoparticles Against Viral Infections. Front Cell Infect Microbiol 2021; 11:643953. [PMID: 33816349 PMCID: PMC8011499 DOI: 10.3389/fcimb.2021.643953] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/22/2021] [Indexed: 01/23/2023] Open
Abstract
Viral infections, in addition to damaging host cells, can compromise the host immune system, leading to frequent relapse or long-term persistence. Viruses have the capacity to destroy the host cell while liberating their own RNA or DNA in order to replicate within additional host cells. The viral life cycle makes it challenging to develop anti-viral drugs. Nanotechnology-based approaches have been suggested to deal effectively with viral diseases, and overcome some limitations of anti-viral drugs. Nanotechnology has enabled scientists to overcome the challenges of solubility and toxicity of anti-viral drugs, and can enhance their selectivity towards viruses and virally infected cells, while preserving healthy host cells. Chitosan is a naturally occurring polymer that has been used to construct nanoparticles (NPs), which are biocompatible, biodegradable, less toxic, easy to prepare, and can function as effective drug delivery systems (DDSs). Furthermore, chitosan is Generally Recognized as Safe (GRAS) by the US Food and Drug Administration (U.S. FDA). Chitosan NPs have been used in drug delivery by the oral, ocular, pulmonary, nasal, mucosal, buccal, or vaginal routes. They have also been studied for gene delivery, vaccine delivery, and advanced cancer therapy. Multiple lines of evidence suggest that chitosan NPs could be used as new therapeutic tools against viral infections. In this review we summarize reports concerning the therapeutic potential of chitosan NPs against various viral infections.
Collapse
Affiliation(s)
- Homa Boroumand
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Fereshteh Badie
- Department of Microbiology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Samaneh Mazaheri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Zeynab Sadat Seyedi
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Javid Sadri Nahand
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Nejati
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hossein Bannazadeh Baghi
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Abbasi-Kolli
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Bita Badehnoosh
- Department of Gynecology and Obstetrics, Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Maryam Ghandali
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| |
Collapse
|
5
|
Simón-Vázquez R, Peleteiro M, González-Fernández Á. Polymeric nanostructure vaccines: applications and challenges. Expert Opin Drug Deliv 2020; 17:1007-1023. [PMID: 32476491 DOI: 10.1080/17425247.2020.1776259] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION The use of biocompatible polymers, from natural or synthetic sources, opened the door for a new era in vaccine research. These polymers offer the possibility to develop nanostructured antigen carriers that can be easily internalized by antigen-presenting cells, due to their nanometric size. Besides, the incorporation of an adjuvant allows increasing and modulating the immune response for both, polymers with or without self-adjuvant properties. AREAS COVERED The historical background and the state-of-the-art in the use of polymers as antigen carriers are addressed in the first part of this review. Then, an overview of the immunology of vaccination is provided. Finally, the main advances in the field, based on the prototypes that are licensed or undergoing clinical trials, but also the challenges that limit the translation of many polymer-based nanostructure vaccines with promising preclinical results, are discussed. EXPERT OPINION Polymeric nanostructured vaccines have a great potential in modern vaccinology. However, the translation into the market is hampered due to several limitations. Studies on correlates of protection to provide suitable biomarkers, new and better methods of synthesis to produce more reproducible nanovaccines, a deeper knowledge in the immune system and in the physiopathology of the infectious diseases will surely improve and boost the field in the next years.
Collapse
Affiliation(s)
- Rosana Simón-Vázquez
- Immunology Group, Centro de Investigaciones Biomédicas, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende , Vigo, Spain.,Instituto De Investigación Sanitaria Galicia Sur (IIS-GS), Hospital Álvaro Cunqueiro, Estrada Clara Campoamor , Vigo, Pontevedra, Spain
| | - Mercedes Peleteiro
- Instituto De Investigación Sanitaria Galicia Sur (IIS-GS), Hospital Álvaro Cunqueiro, Estrada Clara Campoamor , Vigo, Pontevedra, Spain.,Flow Cytometry Core Facility, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, Vigo, Spain
| | - África González-Fernández
- Immunology Group, Centro de Investigaciones Biomédicas, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende , Vigo, Spain.,Instituto De Investigación Sanitaria Galicia Sur (IIS-GS), Hospital Álvaro Cunqueiro, Estrada Clara Campoamor , Vigo, Pontevedra, Spain
| |
Collapse
|