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El-Kady MM, Ansari I, Arora C, Rai N, Soni S, Kumar Verma D, Singh P, El Din Mahmoud A. Nanomaterials: A Comprehensive Review of Applications, Toxicity, Impact, and Fate to Environment. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.121046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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2
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Rezaei F, Keshvari H, Shokrgozar MA, Doroud D, Gholami E, Khabiri A, Farokhi M. Nano-adjuvant based on silk fibroin for the delivery of recombinant hepatitis B surface antigen. Biomater Sci 2021; 9:2679-2695. [PMID: 33605970 DOI: 10.1039/d0bm01518k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Nanotechnology has a vital role in vaccine development. Nano-adjuvants, as robust delivery systems, could stimulate immune responses. Using nanoparticles (NPs) in vaccine formulations enhances the target delivery, immunogenicity, and stability of the antigens. Herein, silk fibroin nanoparticles (SFNPs) were used as a nano-adjuvant for delivering recombinant hepatitis B surface antigen (HBsAg). HBsAg was loaded physically and chemically on the surface of SFNPs. The HBsAg-loaded SFNPs had a spherical morphology. The in vitro release studies showed that HBsAg had a continuous and slow release from SFNPs during 56 days. During this time, ∼45.6% and 34.1% HBsAg was released from physical-SFNPs and chemical-SFNPs, respectively. HBsAg-loaded SFNPs were also stable for six months with slight changes in the size, surface charge, and morphology. The results of circular dichroism (CD) and fluorescence spectroscopy indicated that the released HBsAg preserved the native secondary and tertiary structures. The quantitative cellular uptake study also showed that physical-SFNPs were taken up more into J774A.1 macrophage cells than chemical-SFNPs. After 28 and 56 days post-injection, the immunogenicity studies showed that the specific total IgG, IgG1, and IgG2a levels against HBsAg were significantly higher in the physically loaded group than in the chemically loaded group and commercial hepatitis B vaccine. IgG2a levels were detected only in mice immunized with physical-SFNPs. However, the low levels of IL-4 and IFN-γ were produced in all vaccinated groups and differences in mean values were not significant compared with control groups. Results indicated an improvement in the levels of anti-HBsAg IgG in mice immunized with the physical-SFNPs group compared to other groups.
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Affiliation(s)
- Fatemeh Rezaei
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
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Gonzalez-Miro M, Chen S, Gonzaga ZJ, Evert B, Wibowo D, Rehm BHA. Polyester as Antigen Carrier toward Particulate Vaccines. Biomacromolecules 2019; 20:3213-3232. [DOI: 10.1021/acs.biomac.9b00509] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Majela Gonzalez-Miro
- School of Fundamental Sciences, Massey University, Palmerston North 4474, New Zealand
| | - Shuxiong Chen
- Centre for Cell
Factories and Biopolymers, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - Zennia Jean Gonzaga
- Centre for Cell
Factories and Biopolymers, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - Benjamin Evert
- Centre for Cell
Factories and Biopolymers, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - David Wibowo
- Centre for Cell
Factories and Biopolymers, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
| | - Bernd H. A. Rehm
- Centre for Cell
Factories and Biopolymers, Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland 4111, Australia
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Gláucia-Silva F, Torres-Rêgo M, Rocha Soares KS, Damasceno IZ, Tambourgi DV, Silva-Júnior AAD, Fernandes-Pedrosa MDF. A biotechnological approach to immunotherapy: Antivenom against Crotalus durissus cascavella snake venom produced from biodegradable nanoparticles. Int J Biol Macromol 2018; 120:1917-1924. [PMID: 30287370 DOI: 10.1016/j.ijbiomac.2018.09.203] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 08/20/2018] [Accepted: 09/28/2018] [Indexed: 12/22/2022]
Abstract
Snakebite envenoming is a tropical disease neglected worldwide. In Brazil, the Crotalus durissus cascavella (CDC) snake belongs to a genus with venom of highest lethality. A search for new immunoadjuvants aimed to expand the therapeutic alternatives to improve vaccines and antivenom. This approach proposed to produce small and narrow-sized cationic CDC venom-loaded chitosan nanoparticles (CHNP) able to induce antibody response against the CDC venom. The ionic gelation method induced the formation of stable and slightly smooth spherical nanoparticles (<160 nm) with protein loading efficiency superior to 90%. The interactions between venom proteins and CHNP assessed using FT-IR spectroscopy corroborated with the in vitro release behavior of proteins from nanoparticles. Finally, the immunization animal model using BALB/c mice demonstrated the higher effectiveness of CDC venom-loaded CHNP compared to aluminum hydroxide, a conventional immunoadjuvant. Thus, CHNPs loaded with CDC venom exhibited a promising biotechnological approach to immunotherapy.
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Affiliation(s)
- Fiamma Gláucia-Silva
- Graduate Program on Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Rua General Gustavo Cordeiro de Farias, S/N, Petrópolis, Natal 59012-570, Brazil.
| | - Manoela Torres-Rêgo
- Graduate Program on Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Rua General Gustavo Cordeiro de Farias, S/N, Petrópolis, Natal 59012-570, Brazil.
| | - Karla Samara Rocha Soares
- Graduate Program on Biochemistry, Bioscience Center, University Campus, Federal University of Rio Grande do Norte, Avenida Senador Salgado Filho, 3000, Lagoa Nova, 59072-970 Natal, Brazil.
| | - Igor Zumba Damasceno
- Department of Materials Engineering, Technology Center, University Campus, Federal University of Rio Grande do Norte, Avenida Senador Salgado Filho, 3000, Lagoa Nova, 59078-970 Natal, Brazil.
| | - Denise Vilarinho Tambourgi
- Laboratory of Immunochemistry, Instituto Butantan, Avenida Vital Brasil, 1500, Instituto Butantan, São Paulo 05503-000, Brazil.
| | - Arnóbio Antônio da Silva-Júnior
- Graduate Program on Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Rua General Gustavo Cordeiro de Farias, S/N, Petrópolis, Natal 59012-570, Brazil.
| | - Matheus de Freitas Fernandes-Pedrosa
- Graduate Program on Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Rua General Gustavo Cordeiro de Farias, S/N, Petrópolis, Natal 59012-570, Brazil; Graduate Program on Biochemistry, Bioscience Center, University Campus, Federal University of Rio Grande do Norte, Avenida Senador Salgado Filho, 3000, Lagoa Nova, 59072-970 Natal, Brazil.
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5
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Soares KSR, Gláucia-Silva F, Daniele-Silva A, Torres-Rêgo M, Araújo NKD, Menezes YASD, Damasceno IZ, Tambourgi DV, da Silva-Júnior AA, Fernandes-Pedrosa MDF. Antivenom Production against Bothrops jararaca and Bothrops erythromelas Snake Venoms Using Cross-Linked Chitosan Nanoparticles as an Immunoadjuvant. Toxins (Basel) 2018; 10:toxins10040158. [PMID: 29659491 PMCID: PMC5923324 DOI: 10.3390/toxins10040158] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/03/2018] [Accepted: 04/05/2018] [Indexed: 12/17/2022] Open
Abstract
In Brazil, envenomation by snakes of the genus Bothrops is clinically relevant, particularly for the species Bothrops jararaca and B. erythromelas. The most effective treatment for envenomation by snakes is the administration of antivenoms associated with adjuvants. Novel adjuvants are required to reduce side effects and maximize the efficiency of conventional serum and vaccine formulations. The polymer chitosan has been shown to have immunoadjuvant properties, and it has been used as a platform for delivery systems. In this context, we evaluated the potential immunoadjuvant properties of chitosan nanoparticles (CNPs) loaded with B. jararaca and B. erythromelas venoms in the production of sera against these venoms. Stable CNPs were obtained by ionic gelation, and mice were immunized subcutaneously for 6 weeks with 100 µL of each snake venom at concentrations of 5.0 or 10.0% (w/w), encapsulated in CNPs or associated with aluminium hydroxide (AH). The evaluation of protein interactions with the CNPs revealed their ability to induce antibody levels equivalent to those of AH, even with smaller doses of antigen. In addition, the CNPs were less inflammatory due to their modified release of proteins. CNPs provide a promising approach for peptide/protein delivery from snake venom and will be useful for new vaccines.
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Affiliation(s)
- Karla Samara Rocha Soares
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Fiamma Gláucia-Silva
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Alessandra Daniele-Silva
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Manoela Torres-Rêgo
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Nathália Kelly de Araújo
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Yamara Arruda Silva de Menezes
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
| | - Igor Zumba Damasceno
- Department of Materials Engineering, Technology Center, University Campus, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.
| | | | - Arnóbio Antônio da Silva-Júnior
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil.
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6
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The exciting potential of modular nanoparticles for rapid development of highly effective vaccines. Curr Opin Chem Eng 2018. [DOI: 10.1016/j.coche.2017.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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7
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Chirumbolo S, Bjørklund G. Vaccination is fundamental but can it escape from a more insightful and critical information about its action? ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 55:8-13. [PMID: 28800561 DOI: 10.1016/j.etap.2017.07.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/25/2017] [Accepted: 07/27/2017] [Indexed: 06/07/2023]
Affiliation(s)
- Salvatore Chirumbolo
- Department of Neurological and Movement Sciences, University of Verona, Italy; Council for Nutritional and Environmental Medicine, Mo i Rana, Norway.
| | - Geir Bjørklund
- Department of Neurological and Movement Sciences, University of Verona, Italy; Council for Nutritional and Environmental Medicine, Mo i Rana, Norway
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8
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Self-assembled scorpion venom proteins cross-linked chitosan nanoparticles for use in the immunotherapy. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.06.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Lee BK, Yun Y, Park K. PLA micro- and nano-particles. Adv Drug Deliv Rev 2016; 107:176-191. [PMID: 27262925 DOI: 10.1016/j.addr.2016.05.020] [Citation(s) in RCA: 174] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/15/2016] [Accepted: 05/24/2016] [Indexed: 01/05/2023]
Abstract
Poly(d,l-lactic acid) (PLA) has been widely used for various biomedical applications for its biodegradable, biocompatible, and nontoxic properties. Various methods, such as emulsion, salting out, and precipitation, have been used to make better PLA micro- and nano-particle formulations. They are widely used as controlled drug delivery systems of therapeutic molecules, including proteins, genes, vaccines, and anticancer drugs. Even though PLA-based particles have challenges to overcome, such as low drug loading capacity, low encapsulation efficiency, and terminal sterilization, continuous innovations in particulate formulations will lead to development of clinically useful formulations.
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Pavot V, Climent N, Rochereau N, Garcia F, Genin C, Tiraby G, Vernejoul F, Perouzel E, Lioux T, Verrier B, Paul S. Directing vaccine immune responses to mucosa by nanosized particulate carriers encapsulating NOD ligands. Biomaterials 2015; 75:327-339. [PMID: 26539801 DOI: 10.1016/j.biomaterials.2015.10.034] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 10/09/2015] [Accepted: 10/14/2015] [Indexed: 12/30/2022]
Abstract
Mucosal surfaces are a major portal of entry for many pathogens that are the cause of infectious diseases. Therefore, effective vaccines that induce a protective immune response at these sites are much needed. However, despite early success with the live attenuated oral polio vaccine over 50 years ago, only a few new mucosal vaccines have been subsequently licensed. Development of new adjuvants, comprising antigen delivery platforms and immunostimulatory molecules, are critical for the successful development of new mucosal vaccines. Among them, biodegradable nanoparticle delivery systems are promising and NOD-like receptors are considered as potential new targets for immunostimulatory molecules. In this work, different NOD1 and NOD2 ligands were encapsulated in polylactic acid (PLA) nanoparticles, coated with HIV-1 gag p24 antigen. We showed that these new formulations are able to induce proliferation of HIV-specific T cells from HIV(+) individuals as well as autophagy. In vivo, these formulations highly enhanced p24-specific systemic and mucosal immune responses in mice not only after mucosal administration but also after immunization via the parenteral route. Our results provide a rational approach for combining nanosized particulate carriers and encapsulated NOD receptor ligands as potent synergistic tools for induction of specific mucosal immunity.
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Affiliation(s)
- Vincent Pavot
- Laboratoire de Biologie Tissulaire et d'Ingénierie Thrérapeutique, IBCP, Université Lyon 1, CNRS, UMR 5305, Lyon, France
| | - Nuria Climent
- Hospital Clinic-IDIBAPS, HIVACAT, University of Barcelona, 08036 Barcelona, Spain
| | - Nicolas Rochereau
- Groupe Immunité des Muqueuses et Agents Pathogènes - INSERM CIC1408 Vaccinologie, Faculté de Médecine de Saint-Etienne, France
| | - Felipe Garcia
- Hospital Clinic-IDIBAPS, HIVACAT, University of Barcelona, 08036 Barcelona, Spain
| | - Christian Genin
- Groupe Immunité des Muqueuses et Agents Pathogènes - INSERM CIC1408 Vaccinologie, Faculté de Médecine de Saint-Etienne, France
| | | | | | | | | | - Bernard Verrier
- Laboratoire de Biologie Tissulaire et d'Ingénierie Thrérapeutique, IBCP, Université Lyon 1, CNRS, UMR 5305, Lyon, France
| | - Stéphane Paul
- Groupe Immunité des Muqueuses et Agents Pathogènes - INSERM CIC1408 Vaccinologie, Faculté de Médecine de Saint-Etienne, France.
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11
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Tang X, Liang Y, Zhu Y, Xie C, Yao A, Chen L, Jiang Q, Liu T, Wang X, Qian Y, Wei J, Ni W, Dai J, Jiang Z, Hou W. Anti-transferrin receptor-modified amphotericin B-loaded PLA-PEG nanoparticles cure Candidal meningitis and reduce drug toxicity. Int J Nanomedicine 2015; 10:6227-41. [PMID: 26491294 PMCID: PMC4599718 DOI: 10.2147/ijn.s84656] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Fatal fungal infections in central nervous system (CNS) can occur through hematogenous spread or direct extension. At present, hydrophobic amphotericin B (AMB) is the most effective antifungal drug in clinical trials. However, AMB is hydrophobic and therefore penetrates poorly into the CNS, and therapeutic levels of AMB are hard to achieve. The transferrin receptor (TfR/CD71) located at the blood-brain barrier mediates transferrin transcytosis. In order to enhance the receptor-mediated delivery of AMB into CNS with therapeutic level, an anti-TfR antibody (OX26)-modified AMB-loaded PLA (poly[lactic acid])-PEG (polyethylene glycol)-based micellar drug delivery system was constructed. The prepared OX26-modified AMB-loaded nanoparticles (OX26-AMB-NPs) showed significant reduction of CNS fungal burden and an increase of mouse survival time. In conclusion, OX26-AMB-NPs represent a promising novel drug delivery system for intracerebral fungal infection.
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Affiliation(s)
- Xiaolong Tang
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China ; State Key Laboratory of Virology/Institute of Medical Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Yong Liang
- Clinical Laboratory, Huai'an Hospital Affiliated of Xuzhou Medical College, Huaian, People's Republic of China
| | - Yongqiang Zhu
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China ; Department of Medical Genetics, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Chunmei Xie
- School of Biotechnology, Southern Medical University, Guangzhou, People's Republic of China
| | - Aixia Yao
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Li Chen
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Qinglin Jiang
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Tingting Liu
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Xiaoyu Wang
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Yunyun Qian
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Jia Wei
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Wenxuan Ni
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Jingjing Dai
- Clinical Laboratory, Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science & Technology, Huainan, People's Republic of China
| | - Zhenyou Jiang
- Department of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou, People's Republic of China ; Guangdong Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, People's Republic of China
| | - Wei Hou
- State Key Laboratory of Virology/Institute of Medical Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
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Bansal V, Kumar M, Bhardwaj A, Brahmne H, Singh H. In vivo efficacy and toxicity evaluation of polycaprolactone nanoparticles and aluminum based admixture formulation as vaccine delivery system. Vaccine 2015; 33:5623-5632. [DOI: 10.1016/j.vaccine.2015.08.076] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 08/21/2015] [Accepted: 08/29/2015] [Indexed: 11/17/2022]
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13
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Smith JD, Morton LD, Ulery BD. Nanoparticles as synthetic vaccines. Curr Opin Biotechnol 2015; 34:217-24. [DOI: 10.1016/j.copbio.2015.03.014] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 03/21/2015] [Indexed: 12/16/2022]
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14
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Gianchecchi E, Torelli A, Piccini G, Piccirella S, Montomoli E. Neisseria meningitidisinfection: who, when and where? Expert Rev Anti Infect Ther 2015; 13:1249-63. [DOI: 10.1586/14787210.2015.1070096] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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15
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Gupta A, Das S, Schanen B, Seal S. Adjuvants in micro- to nanoscale: current state and future direction. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2015; 8:61-84. [PMID: 26053286 DOI: 10.1002/wnan.1354] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 05/01/2015] [Accepted: 05/04/2015] [Indexed: 12/19/2022]
Abstract
Adjuvants have been used in vaccines for over 70 years to promote long-lived and sterilizing immunity. Since then, various adjuvant systems were developed by combining nanotechnology with natural and/or synthetic immunomodulatory molecules. These systems are biocompatible, immunogenic, and possess higher antigen carrying capacity. This article showcases advancements made in the adjuvant systems formulations, their synthesis routes, and the improvement of these adjuvants have brought in response to combat against ongoing global health threats such as malaria, hepatitis C, universal influenza, and human immunodeficiency virus. This review also highlights the interaction of adjuvants with the delivery of antigens to cells and unfolds mechanism of actions. In addition, this review discusses the physicochemical factors responsible for the efficient interaction of nanoadjuvants with antigen receptors to develop more effective, less reactogenic, and multifunctional systems for the next generation vaccines.
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Affiliation(s)
- Ankur Gupta
- Advanced Materials Processing and Analysis Center, NanoScience Technology Center and Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | - Soumen Das
- Advanced Materials Processing and Analysis Center, NanoScience Technology Center and Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | | | - Sudipta Seal
- Advanced Materials Processing and Analysis Center, NanoScience Technology Center and Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA.,College of Medicine, University of Central Florida, Orlando, FL, USA
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Leca M, Bornet C, Montana M, Curti C, Vanelle P. Meningococcal vaccines: Current state and future outlook. ACTA ACUST UNITED AC 2015; 63:144-51. [DOI: 10.1016/j.patbio.2015.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 04/17/2015] [Indexed: 10/23/2022]
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17
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Singh BN, Rawat AKS, Khan W, Naqvi AH, Singh BR. Biosynthesis of stable antioxidant ZnO nanoparticles by Pseudomonas aeruginosa rhamnolipids. PLoS One 2014; 9:e106937. [PMID: 25187953 PMCID: PMC4154833 DOI: 10.1371/journal.pone.0106937] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 08/10/2014] [Indexed: 01/24/2023] Open
Abstract
During the last several years, various chemical methods have been used for synthesis of a variety of metal nanoparticles. Most of these methods pose severe environmental problems and biological risks; therefore the present study reports a biological route for synthesis of zinc oxide nanoparticles using Pseudomonas aeruginosa rhamnolipids (RLs) (denoted as RL@ZnO) and their antioxidant property. Formation of stable RL@ZnO nanoparticles gave mostly spherical particles with a particle size ranging from 35 to 80 nm. The RL@ZnO nanoparticles were characterized by UV-visible (UV–vis) spectroscopy, scanning electron microscopy, transmission electron microscopy, dynamic light scattering, Fourier transform infrared spectroscopy, X-ray diffraction (XRD), and thermal gravimetric analysis. The UV–vis spectra presented a characteristic absorbance peak at ∼360 nm for synthesized RL@ZnO nanoparticles. The XRD spectrum showed that RL@ZnO nanoparticles are crystalline in nature and have typical wurtzite type polycrystals. Antioxidant potential of RL@ZnO nanoparticles was assessed through 2,2–diphenyl-1-picrylhydrazyl (DPPH), hydroxyl, and superoxide anion free radicals with varying concentration and time of the storage up to 15 months, while it was found to decline in bare ZnO nanoparticles. Similarly, the inhibitory effects on β-carotene oxidation and lipid peroxidation were also observed. These results elucidate the significance of P. aeruginosa RL as effective stabilizing agents to develop surface protective ZnO nanoparticles, which can be used as promising antioxidants in biological system.
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Affiliation(s)
- Brahma Nand Singh
- Pharmacognosy and Ethnopharmacology Division, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
| | - Ajay Kumar Singh Rawat
- Pharmacognosy and Ethnopharmacology Division, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
| | - Wasi Khan
- Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z. H. College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Alim H. Naqvi
- Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z. H. College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Braj Raj Singh
- Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z. H. College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
- * E-mail:
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