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Frézard F, Aguiar MMG, Ferreira LAM, Ramos GS, Santos TT, Borges GSM, Vallejos VMR, De Morais HLO. Liposomal Amphotericin B for Treatment of Leishmaniasis: From the Identification of Critical Physicochemical Attributes to the Design of Effective Topical and Oral Formulations. Pharmaceutics 2022; 15:pharmaceutics15010099. [PMID: 36678729 PMCID: PMC9864876 DOI: 10.3390/pharmaceutics15010099] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
The liposomal amphotericin B (AmB) formulation, AmBisome®, still represents the best therapeutic option for cutaneous and visceral leishmaniasis. However, its clinical efficacy depends on the patient's immunological status, the clinical manifestation and the endemic region. Moreover, the need for parenteral administration, its side effects and high cost significantly limit its use in developing countries. This review reports the progress achieved thus far toward the understanding of the mechanism responsible for the reduced toxicity of liposomal AmB formulations and the factors that influence their efficacy against leishmaniasis. It also presents the recent advances in the development of more effective liposomal AmB formulations, including topical and oral liposome formulations. The critical role of the AmB aggregation state and release rate in the reduction of drug toxicity and in the drug efficacy by non-invasive routes is emphasized. This paper is expected to guide future research and development of innovative liposomal formulations of AmB.
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Affiliation(s)
- Frédéric Frézard
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
- Correspondence: ; Tel.: +55-31-34092940
| | - Marta M. G. Aguiar
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Lucas A. M. Ferreira
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Guilherme S. Ramos
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Thais T. Santos
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Gabriel S. M. Borges
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Virgínia M. R. Vallejos
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Helane L. O. De Morais
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
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Wasan E, Mandava T, Crespo-Moran P, Nagy A, Wasan KM. Review of Novel Oral Amphotericin B Formulations for the Treatment of Parasitic Infections. Pharmaceutics 2022; 14:2316. [PMID: 36365135 PMCID: PMC9697626 DOI: 10.3390/pharmaceutics14112316] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 09/26/2023] Open
Abstract
Amphotericin B (AmpB) is a polyene macrolide antibiotic used in the treatment of blood-borne parasitic and fungal infections. However, its use, particularly in the developing world, has been limited by dose-dependent kidney toxicity, other systemic-related toxicity issues following injection, the inconvenience of parenteral administration, and accessibility. Oral formulation approaches have focused on the dual problem of solubility and permeability of AmpB, which is poorly water soluble, amphoteric and has extremely low oral bioavailability. Therefore, to enhance oral absorption, researchers have employed micellar formulations, polymeric nanoparticles, cochleates, pro-drugs, and self-emulsifying drug delivery systems (SEDDS). This paper will highlight current uses of AmpB against parasitic infections such as leishmaniasis, preclinical and clinical formulation strategies, applications in veterinary medicine and the importance of developing a cost-effective and safe oral AmpB formulation.
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Affiliation(s)
- Ellen Wasan
- College of Pharmacy and Nutrition, University of Saskatchewan, Health Sciences Building, Saskatoon, SK S7N 5E5, Canada
| | - Tavonga Mandava
- College of Pharmacy and Nutrition, University of Saskatchewan, Health Sciences Building, Saskatoon, SK S7N 5E5, Canada
| | - Pablo Crespo-Moran
- College of Pharmacy and Nutrition, University of Saskatchewan, Health Sciences Building, Saskatoon, SK S7N 5E5, Canada
| | - Adrienne Nagy
- College of Pharmacy and Nutrition, University of Saskatchewan, Health Sciences Building, Saskatoon, SK S7N 5E5, Canada
| | - Kishor M. Wasan
- Department of Urologic Sciences, Faculty of Medicine & the Neglected Global Diseases Initiative, University of British Columbia, Vancouver Campus, Vancouver, BC V5Z 1L8, Canada
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Iqbal K, Khalid S, McElroy CA, Adnan M, Khan GM, Dar MJ. Triple-combination therapy for cutaneous leishmaniasis using detergent-free, hyaluronate-coated elastic nanovesicles. Nanomedicine (Lond) 2022; 17:1429-1447. [PMID: 36301316 DOI: 10.2217/nnm-2022-0077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Aim: To develop and evaluate detergent-free, triple-drug-loaded, hyaluronate-coated elastic nanovesicles (H-ENVs) for the topical treatment of cutaneous leishmaniasis. Materials & methods: H-ENVs were developed and evaluated for vesicle size, entrapment efficiency, skin permeation and antileishmanial potential. Results: A 15.7 and 28.6% decrease in the cytotoxicity of paromomycin and amphotericin B, respectively, was observed in detergent-free ENVs compared with conventional ENVs. H-ENVs improved the efficacy of paromomycin against promastigote and amastigote models of leishmaniasis by 4- and 7.5-fold, respectively. In vivo investigation of H-ENVs demonstrated efficient topical management of cutaneous leishmaniasis. Conclusion: The results indicate the potential of H-ENVs as a safe topical treatment choice for cutaneous leishmaniasis.
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Affiliation(s)
- Kashif Iqbal
- Nanomedicine Research Group, School of Pharmacy, IBADAT International University, Islamabad, 44000, Pakistan
| | - Sidra Khalid
- Division of Pharmaceutical Evaluation and Registration, Drug Regulatory Authority of Pakistan, Islamabad, 44090, Pakistan
| | - Craig A McElroy
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43201, USA
| | - Muhammad Adnan
- Nanomedicine Research Group, School of Pharmacy, IBADAT International University, Islamabad, 44000, Pakistan
| | - Gul Majid Khan
- Islamia College University, Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - M Junaid Dar
- Nanomedicine Research Group, School of Pharmacy, IBADAT International University, Islamabad, 44000, Pakistan
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Todke PA, Devarajan PV. In-silico approach as a tool for selection of excipients for safer amphotericin B nanoformulations. JOURNAL OF CONTROLLED RELEASE : OFFICIAL JOURNAL OF THE CONTROLLED RELEASE SOCIETY 2022; 349:756-764. [PMID: 35905782 DOI: 10.1016/j.jconrel.2022.07.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/18/2022] [Accepted: 07/22/2022] [Indexed: 11/28/2022]
Abstract
Safer and efficacious Amphotericin B (AmB) nanoformulations can be designed by augmenting AmB in the monomeric or super-aggregated state, and restricting the aggregated state, by choosing the appropriate excipient, which can be facilitated by employing in-silico prediction as a tool. Excipients selected for the study included linear fatty acids from caprylic (C8) to stearic(C18) and the stearate based amphiphilic surfactants polyoxyl-15-hydroxystearate (PS15) and polyoxyl-40-stearate (PS40). Blend module was employed to determine the two miscibility parameters mixing energy (Emix) and interaction parameter (χ). AmB-excipient interactions were modelled using molecular docking software. The fatty acids revealed a decrease in Emix and χ values with increase in carbon chain length, suggesting enhanced affinity with increase in fatty acid hydrophobicity. Significantly higher affinity was observed with amphiphilic surfactants, in particular PS40 which exhibited negative values of Emix and χ proposing very high degree of miscibility. Molecular docking study confirmed extensive interaction of all the excipients with the AmB polyene chain. PS15 and PS40 displayed in addition hydrophilic interactions with the mycosamine and polyol moieties with PS40 exhibiting complete wrapping of the AmB molecule. PS15 demonstrated only partial wrapping, attributed to the shorter ethylene oxide chain. AmB nanosuspensions (NS) were prepared by in situ nanoprecipitation using the excipients and the AmB state identified by UV scanning between 300 and 500 nm. AmB NS with fatty acids and PS15-AmB NS revealed a high intensity peak between 330 nm-350 nm of aggregated AmB and low intensity monomeric peaks between 405 and 415 nm reflecting predominance of the aggregated state. PS40-AmB NS on the other hand revealed complete absence of aggregated state and a high intensity peak between 321 and 325 nm which corresponded to the super-aggregated state. Also, the super-aggregated state slowly released the safe monomeric form without aggregate formation. Furthermore, very low hemolysis seen with PS40-AmB NS confirmed low toxicity attributed to the safer super-aggregated state and while higher hemolysis as anticipated was seen with PS15-AmB NS (aggregated state). The basis for selection of the appropriate excipient for design of safer AmB nanoformulations would be those excipients that exhibit negative values of miscibility parameters Emix and χ, exhibit interaction with the hydrophobic and hydrophilic regions of AmB and demonstrate complete wrapping of AmB in the molecular docking study. Our study thus demonstrates feasibility of in-silico prediction as a practical tool for excipient selection for safer AmB nanoformulations.
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Affiliation(s)
- Pooja A Todke
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Deemed University, Elite Status and Centre of Excellence (Maharashtra), N.P. Marg, Matunga (E), Mumbai, 400019, Maharashtra, India
| | - Padma V Devarajan
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Deemed University, Elite Status and Centre of Excellence (Maharashtra), N.P. Marg, Matunga (E), Mumbai, 400019, Maharashtra, India.
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Chen L, Yue B, Liu Z, Luo Y, Ni L, Zhou Z, Ge X. Study on the Preparation, Characterization, and Stability of Freeze-Dried Curcumin-Loaded Cochleates. Foods 2022; 11:foods11050710. [PMID: 35267344 PMCID: PMC8908975 DOI: 10.3390/foods11050710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/16/2022] Open
Abstract
Curcumin (CUR), a polyphenolic substance extracted from plants, has extensive pharmacological activities. However, CUR is difficult to be absorbed in the body due to its poor stability and low solubility. Studies have found that cochleates can be used as a new delivery system to encapsulate bioactive agents for the purpose of improving its stability and bioavailability. In this study, thin-film dispersion and trapping methods were used to prepare curcumin-loaded cochleates (CUR-Cochs). Then CUR-Cochs were characterized and the encapsulation efficiency was determined by HPLC. In addition, the freeze-drying process of CUR-Cochs was studied and related characterization was performed. CCK-8 assay was used to detect the cytotoxicity of cochleates carrier. Additionally, H2O2-induced cellular oxidative damage model were used to evaluate its antioxidant capacity. The results showed that the structure of CUR-Cochs was a spiral cylinder with an average particle size of 463.8 nm and zeta potential of −15.47 mV. The encapsulation efficiency was the highest (83.66 ± 0.8)% with 1:50 CUR-to-lipid mass ratio. In vitro results showed that cochleates had negligible cytotoxicity and owned antioxidant capacity, which provided the possibility for their applications in food and medicine. In general, the method herein might be a promising method to encapsulate CUR for further use as a bioactive agent in functional foods.
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Affiliation(s)
- Lijuan Chen
- Department of Food Science and Technology, College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; (L.C.); (Z.L.); (Y.L.)
| | - Bowen Yue
- Department of Pharmacy, Medical College of China Three Gorges University, Yichang 443002, China; (B.Y.); (L.N.)
| | - Zhiming Liu
- Department of Food Science and Technology, College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; (L.C.); (Z.L.); (Y.L.)
| | - Yali Luo
- Department of Food Science and Technology, College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; (L.C.); (Z.L.); (Y.L.)
| | - Lu Ni
- Department of Pharmacy, Medical College of China Three Gorges University, Yichang 443002, China; (B.Y.); (L.N.)
| | - Zhiyong Zhou
- Department of Pharmacy, Medical College of China Three Gorges University, Yichang 443002, China; (B.Y.); (L.N.)
- Correspondence: (Z.Z.); (X.G.); Tel.: +86-0717-639-6818 (Z.Z.); +86-025-8542-7844 (X.G.)
| | - Xuemei Ge
- Department of Food Science and Technology, College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; (L.C.); (Z.L.); (Y.L.)
- Correspondence: (Z.Z.); (X.G.); Tel.: +86-0717-639-6818 (Z.Z.); +86-025-8542-7844 (X.G.)
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Cochleate drug delivery systems: An approach to their characterization. Int J Pharm 2021; 610:121225. [PMID: 34710542 DOI: 10.1016/j.ijpharm.2021.121225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/02/2021] [Accepted: 10/20/2021] [Indexed: 12/18/2022]
Abstract
Cochleate systems formed from phospholipids have very useful properties as drug delivery systems with sustained release capabilities, which are able to improve bioavailability and efficacy, reduce toxicity and increase the shelf-life of encapsulated molecules. These nanometric or micrometric structures are usually obtained after interaction of negatively charged liposomes with a positively charged bridging agent. Many different methods are now available to prepare cochleates and there are also numerous techniques that can be used to characterize them, some of which can be easily applied while others require more sophisticated equipment or analysis. The present review describes the important features of this drug delivery system; including their structural properties and potential applications, as well as a brief account of methods for their preparation and an extensive description of the techniques used for their characterization. This information could guide formulators in their choice of methods of characterization that would be best suited to their needs in terms of time, precision and technological difficulty.
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Bulté D, Van Bockstal L, Dirkx L, Van den Kerkhof M, De Trez C, Timmermans JP, Hendrickx S, Maes L, Caljon G. Miltefosine enhances infectivity of a miltefosine-resistant Leishmania infantum strain by attenuating its innate immune recognition. PLoS Negl Trop Dis 2021; 15:e0009622. [PMID: 34292975 PMCID: PMC8330912 DOI: 10.1371/journal.pntd.0009622] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 08/03/2021] [Accepted: 07/01/2021] [Indexed: 01/08/2023] Open
Abstract
Background Miltefosine (MIL) is currently the only oral drug available to treat visceral leishmaniasis but its use as first-line monotherapy has been compromised by an increasing treatment failure. Despite the scarce number of resistant clinical isolates, MIL-resistance by mutations in a single aminophospholipid transporter gene can easily be selected in a laboratory environment. These mutations result in a reduced survival in the mammalian host, which can partially be restored by exposure to MIL, suggesting a kind of drug-dependency. Methodology/Principal findings To enable a combined study of the infection dynamics and underlying immunological events for differential in vivo survival, firefly luciferase (PpyRE9) / red fluorescent protein (DsRed) double-reporter strains were generated of MIL-resistant (MIL-R) and syngeneic MIL-sensitive (MIL-S) Leishmania infantum. Results in C57Bl/6 and BALB/c mice show that MIL-R parasites induce an increased innate immune response that is characterized by enhanced influx and infection of neutrophils, monocytes and dendritic cells in the liver and elevated serum IFN-γ levels, finally resulting in a less efficient establishment in liver macrophages. The elevated IFN-γ levels were shown to originate from an increased response of hepatic NK and NKT cells to the MIL-R parasites. In addition, we demonstrated that MIL could increase the in vivo fitness of MIL-R parasites by lowering NK and NKT cell activation, leading to a reduced IFN-γ production. Conclusions/Significance Differential induction of innate immune responses in the liver was found to underlie the attenuated phenotype of a MIL-R parasite and its peculiar feature of drug-dependency. The impact of MIL on hepatic NK and NKT activation and IFN-γ production following recognition of a MIL-R strain indicates that this mechanism may sustain infections with resistant parasites and contribute to treatment failure. Visceral leishmaniasis is a neglected tropical disease that is fatal if left untreated. Miltefosine is currently the only oral drug available but is increasingly failing to cure patients, resulting in its discontinuation as first-line drug in some endemic areas. To understand these treatment failures, we investigated the complex interplay of the parasite with the host immune system in the presence and absence of miltefosine. Our data indicate that miltefosine-resistant Leishmania parasites become severely hampered in their in vivo infectivity, which could be attributed to the induction of a pronounced innate immune response. Interestingly, the infection deficit was partially restored in the presence of miltefosine. Our results further indicate that miltefosine can exacerbate infections with resistant parasites by reducing innate immune recognition. This study provides new insights into the complex interplay between parasite, drug and host and discloses an immune-related mechanism of treatment failure.
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Affiliation(s)
- Dimitri Bulté
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Lieselotte Van Bockstal
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Laura Dirkx
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Magali Van den Kerkhof
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Carl De Trez
- Vrije Universiteit Brussel, Laboratory for Cellular and Molecular Immunology (CMIM), Brussels, Belgium
| | - Jean-Pierre Timmermans
- University of Antwerp, Department of Veterinary Sciences, Laboratory of Cell biology & Histology, Wilrijk, Belgium
| | - Sarah Hendrickx
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Louis Maes
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
| | - Guy Caljon
- University of Antwerp, Department of Biomedical Sciences, Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Wilrijk, Belgium
- * E-mail:
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9
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Lipa-Castro A, Nicolas V, Angelova A, Mekhloufi G, Prost B, Chéron M, Faivre V, Barratt G. Cochleate formulations of Amphotericin b designed for oral administration using a naturally occurring phospholipid. Int J Pharm 2021; 603:120688. [PMID: 33965540 DOI: 10.1016/j.ijpharm.2021.120688] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/23/2021] [Accepted: 05/04/2021] [Indexed: 12/21/2022]
Abstract
The purpose of this work was to formulate the poor soluble antifungal and antiparasitic agent Amphotericin B (AmB) in cost-effective lipid-based formulations suitable for oral use in developing countries, overcoming the limitations of poor water solubility, nephrotoxicity and low oral bioavailability. The antifungal agent was formulated, at different molar proportions, in cochleate nanocarriers prepared using an accessible naturally occurring phospholipid rich in phosphatidylserine (Lipoid PSP70). These nanoassemblies were prepared by condensation of negatively charged phospholipid membrane vesicles with divalent cations (Ca2+). Small-angle X-ray scattering studies revealed the Ca2+-triggered condensation of loosely packed multilamellar vesicles into tightly packed bilayers of strongly dehydrated multilamellar organization characterized by narrow Bragg peaks. Transmission electron microscopy and quasi-elastic light scattering studies demonstrated the formation of nanosized particles. AmB drug loading was above 55% in all formulations. Circular dichroism demonstrated the prevalence of monomeric and complexed forms of AmB over toxic aggregates. The stability of AmB in gastric medium was improved by loading in cochleates and its release in gastrointestinal media was retarded. Confocal microscopy studies revealed the in-vitro interactions of Lipoid PSP70-based cochleates with Caco2 intestinal cell monolayers. The results suggest that the low-cost AmB-loaded cochleates may increase the therapeutic range of this drug.
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Affiliation(s)
- Antonio Lipa-Castro
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Valérie Nicolas
- Université Paris-Saclay, Inserm, IPSIT, Plateforme MIPSIT, 92290 Châtenay-Malabry, France
| | - Angelina Angelova
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Ghozlene Mekhloufi
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Bastien Prost
- Université Paris-Saclay, Inserm, IPSIT, Plateforme SAMM, 92290 Châtenay-Malabry, France
| | - Monique Chéron
- Faculté de Pharmacie, Université Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Vincent Faivre
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Gillian Barratt
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92290 Châtenay-Malabry, France.
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Sarangi NK, Prabhakaran A, Keyes TE. Interaction of Miltefosine with Microcavity Supported Lipid Membrane: Biophysical Insights from Electrochemical Impedance Spectroscopy. ELECTROANAL 2020. [DOI: 10.1002/elan.202060424] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Nirod Kumar Sarangi
- School of Chemical Sciences and National Centre for Sensor Research Dublin City University DCU Glasnevin Campus Dublin 9 D09 W6Y4 Ireland
| | - Amrutha Prabhakaran
- School of Chemical Sciences and National Centre for Sensor Research Dublin City University DCU Glasnevin Campus Dublin 9 D09 W6Y4 Ireland
| | - Tia E. Keyes
- School of Chemical Sciences and National Centre for Sensor Research Dublin City University DCU Glasnevin Campus Dublin 9 D09 W6Y4 Ireland
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Development, characterization, and anti-leishmanial activity of topical amphotericin B nanoemulsions. Drug Deliv Transl Res 2020; 10:1552-1570. [DOI: 10.1007/s13346-020-00821-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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A review of current treatments strategies based on paromomycin for leishmaniasis. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101664] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Carvacrol loaded nanostructured lipid carriers as a promising parenteral formulation for leishmaniasis treatment. Eur J Pharm Sci 2020; 150:105335. [PMID: 32272211 DOI: 10.1016/j.ejps.2020.105335] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 03/11/2020] [Accepted: 03/30/2020] [Indexed: 01/11/2023]
Abstract
Leishmaniasis are a group of neglected infectious diseases caused by protozoa of the genus Leishmania with distinct presentations. The available leishmaniasis treatment options are either expensive and/or; cause adverse effects and some are ineffective for resistant Leishmania strains. Therefore, molecules derived from natural products as the monoterpene carvacrol, have attracted interest as promising anti-leishmania agents. However, the therapeutic use of carvacrol is limited due to its low aqueous solubility, rapid oxidation and volatilization. Thus, the development of nanostructured lipid carriers (NLCs) was proposed in the present study as a promising nanotechnology strategy to overcome these limitations and enable the use of carvacrol in leishmaniasis therapy. Carvacrol NLCs were obtained using a warm microemulsion method, and evaluated regarding the influence of lipid matrix and components concentration on the NLCs formation. NLCs were characterized by DSC and XRD as well. In addition, to the in vitro carvacrol release from NLCs, the in vitro cytotoxicity and leishmanicidal activity assays, and the in vivo pharmacokinetics evaluation of free and encapsulated carvacrol were performed. NLCs containing carvacrol were obtained successfully using a warm microemulsion dilution method. The NLCs formulation with the lowest particle size (98.42 ± 0.80 nm), narrowest size distribution (suitable for intravenous administration), and the highest encapsulation efficiency was produced by using beeswax as solid lipid (HLB=9) and 5% of lipids and surfactant. The in vitro release of carvacrol from NLCs was fitted to the Korsmeyer and Peppas, and Weibull models, demonstrating that the release mechanism is probably the Fickian diffusion type. Moreover, carvacrol encapsulation in NLCs provided a lower cytotoxicity in comparison to free carvacrol (p<0.05), increasing its in vitro leishmanicidal efficacy in the amastigote form. Finally, the in vivo pharmacokinetics of carvacrol after IV bolus administration suggests that this phenolic monoterpene undergoes enterohepatic circulation and therefore presented a long half-life (t1/2) and low clearance (Cl). In addition, C0, mean residence time (MRT) and Vdss of encapsulated carvacrol were higher than free carvacrol (p < 0.05), favoring a higher distribution of carvacrol in the target tissues. Thus, it is possible to conclude that the developed NLCs are a promising delivery system for leishmaniasis treatment.
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Dar MJ, Khalid S, McElroy CA, Satoskar AR, Khan GM. Topical treatment of cutaneous leishmaniasis with novel amphotericin B-miltefosine co-incorporated second generation ultra-deformable liposomes. Int J Pharm 2020; 573:118900. [DOI: 10.1016/j.ijpharm.2019.118900] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/08/2019] [Accepted: 11/20/2019] [Indexed: 01/21/2023]
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15
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Lanza JS, Pomel S, Loiseau PM, Frézard F. Recent advances in amphotericin B delivery strategies for the treatment of leishmaniases. Expert Opin Drug Deliv 2019; 16:1063-1079. [DOI: 10.1080/17425247.2019.1659243] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Juliane S. Lanza
- Faculty of Pharmacy, Antiparasite Chemotherapy, UMR 8076 CNRS BioCIS, University Paris-Saclay, Chatenay-Malabry, France
| | - Sébastien Pomel
- Faculty of Pharmacy, Antiparasite Chemotherapy, UMR 8076 CNRS BioCIS, University Paris-Saclay, Chatenay-Malabry, France
| | - Philippe M. Loiseau
- Faculty of Pharmacy, Antiparasite Chemotherapy, UMR 8076 CNRS BioCIS, University Paris-Saclay, Chatenay-Malabry, France
| | - Frédéric Frézard
- Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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16
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Singh OP, Gedda MR, Mudavath SL, Srivastava ON, Sundar S. Envisioning the innovations in nanomedicine to combat visceral leishmaniasis: for future theranostic application. Nanomedicine (Lond) 2019; 14:1911-1927. [PMID: 31313971 PMCID: PMC7006826 DOI: 10.2217/nnm-2018-0448] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 04/12/2019] [Indexed: 01/06/2023] Open
Abstract
Visceral leishmaniasis (VL) is a life-threatening parasitic disease affecting impoverished people of the developing world; and much effort has been spent on the early case detection and treatment. However, current diagnostics and treatment options are not sufficient for appropriate surveillance in VL elimination setting. Hence, there is a dire need to develop highly sensitive diagnostics and less toxic effective treatments for proper management of cases and to achieve the sustained disease elimination. Although, promising results have been observed with nanomedicines in leishmaniasis; there are great challenges ahead especially in translating this to clinical setting. This review provides updated progress of nanomedicines in VL, and discussed how these innovations and future directions play vital role in achieving VL elimination.
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Affiliation(s)
- Om Prakash Singh
- Infectious Disease Research Laboratory, Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Mallikarjuna Rao Gedda
- Infectious Disease Research Laboratory, Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Shyam Lal Mudavath
- Infectious Disease Research Laboratory, Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
- Department of Chemical Biology & Therapeutics, Institute of Nano Science & Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab, India
| | - Onkar Nath Srivastava
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Shyam Sundar
- Infectious Disease Research Laboratory, Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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17
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Bruni N, Stella B, Giraudo L, Della Pepa C, Gastaldi D, Dosio F. Nanostructured delivery systems with improved leishmanicidal activity: a critical review. Int J Nanomedicine 2017; 12:5289-5311. [PMID: 28794624 PMCID: PMC5536235 DOI: 10.2147/ijn.s140363] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Leishmaniasis is a vector-borne zoonotic disease caused by protozoan parasites of the genus Leishmania, which are responsible for numerous clinical manifestations, such as cutaneous, visceral, and mucocutaneous leishmaniasis, depending on the site of infection for particular species. These complexities threaten 350 million people in 98 countries worldwide. Amastigotes living within macrophage phagolysosomes are the principal target of antileishmanial treatment, but these are not an easy target as drugs must overcome major structural barriers. Furthermore, limitations on current therapy are related to efficacy, toxicity, and cost, as well as the length of treatment, which can increase parasitic resistance. Nanotechnology has emerged as an attractive alternative as conventional drugs delivered by nanosized carriers have improved bioavailability and reduced toxicity, together with other characteristics that help to relieve the burden of this disease. The significance of using colloidal carriers loaded with active agents derives from the physiological uptake route of intravenous administered nanosystems (the phagocyte system). Nanosystems are thus able to promote a high drug concentration in intracellular mononuclear phagocyte system (MPS)-infected cells. Moreover, the versatility of nanometric drug delivery systems for the deliberate transport of a range of molecules plays a pivotal role in the design of therapeutic strategies against leishmaniasis. This review discusses studies on nanocarriers that have greatly contributed to improving the efficacy of antileishmaniasis drugs, presenting a critical review and some suggestions for improving drug delivery.
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Affiliation(s)
| | - Barbara Stella
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | | | - Carlo Della Pepa
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Daniela Gastaldi
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Franco Dosio
- Department of Drug Science and Technology, University of Turin, Turin, Italy
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18
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Preparation of Multifunctional Liposomes as a Stable Vaccine Delivery-Adjuvant System by Procedure of Emulsification-Lyophilization. Methods Mol Biol 2016; 1404:635-649. [PMID: 27076327 DOI: 10.1007/978-1-4939-3389-1_41] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Liposomes have been proven to be useful carriers for vaccine antigens and can be modified as a versatile vaccine adjuvant-delivery system (VADS). To fulfill efficiently both functions of adjuvant and delivery, the liposomes are often modified with different functional molecules, such as lipoidal immunopotentiators, APC (antigen-presenting cell) targeting ligands, steric stabilization polymers, and charged lipids. Also, to overcome the weakness of instability, vaccines are often lyophilized as a dry product. In this chapter the procedure of emulsification-lyophilization (PEL) is introduced as an efficient method for preparing a stable anhydrous precursor to the multifunctional liposomes which bear dual modifications with APC targeting molecule of the mannosylated cholesterol and the adjuvant material of monophosphoryl lipid A. The techniques and procedures for synthesis of APC targeting molecule, i.e., the mannosylated cholesterol, and for characterization of the multifunctional liposomes are also described.
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Arczewska M, Czernel G, Gagoś M. Effect of the Amphotericin B and Its Copper Complex on a Model of the Outer Leaflet of Human Erythrocyte Membrane. J Phys Chem B 2016; 120:11191-11204. [DOI: 10.1021/acs.jpcb.6b08555] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Marta Arczewska
- Department
of Biophysics, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | - Grzegorz Czernel
- Department
of Biophysics, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | - Mariusz Gagoś
- Department of Cell
Biology, Institute of Biology and Biotechnology, Maria Curie- Skłodowska of University, 20-033 Lublin, Poland
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20
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Pinheiro IM, Carvalho IP, de Carvalho CES, Brito LM, da Silva ABS, Conde Júnior AM, de Carvalho FAA, Carvalho ALM. Evaluation of the in vivo leishmanicidal activity of amphotericin B emulgel: An alternative for the treatment of skin leishmaniasis. Exp Parasitol 2016; 164:49-55. [PMID: 26902606 DOI: 10.1016/j.exppara.2016.02.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 02/15/2016] [Accepted: 02/17/2016] [Indexed: 01/06/2023]
Abstract
The American Cutaneous Leishmaniasis (ACL) is an infectious disease that can be fatal. The first line of treatment is pentavalent antimonies. However, due to its potential to develop resistance, Amphotericin B (AmB) started to be used as an alternative medicine. Current treatments are limited, a fact that has led to a growing interesting in developing new therapies. This study aims to evaluate the therapeutic potential in vivo of an amphotericin B + oleic acid (OA) emulgel in the treatment of cutaneous leishmaniasis in an experimental model. Strains of Leishmania major MHOM/IL/80/Friendlin of Leishmania major were used. The animals were inoculated subcutaneously. After the development of leishmanial, nodular or ulcerative lesions, the animals were divided into three groups (control, Group A and Group B) and treated twice a day for twelve days. The weight of the animals was measured and the size of the lesions was observed. A histopathological analysis was performed with skin fragments of lesions and with the spleen of animals treated with different treatments (emulgel, AmB 3% emulgel and AmB 3% plus OA 5% emulgel). It was observed that when subjected to treatment with AmB 3% emulgel during the study period using both formulations, with enhancer and without enhancer, ulcerative lesions regress gradually or even complete cure. The quantification of the average number of parasites recovered from the inoculation site was made after the treatment in each group and the differences were considered significant. The treatment with AmB 3% and OA 5% emulgel had the best in vivo therapeutic response, showing good prospects for cutaneous leishmaniasis therapy as an alternative therapy.
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Affiliation(s)
| | - Ivana Pereira Carvalho
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade de São Paulo, Ribeirão Preto, Brazil
| | | | - Lucas Moreira Brito
- Programa de Pós-Graduação em Farmacologia, Universidade Federal do Piauí, Brazil
| | | | - Airton Mendes Conde Júnior
- Adjunto do Departamento de Morfologia do Centro de Ciências da Saúde, Universidade Federal do Piauí, Brazil
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Pham T, Gueutin C, Cheron M, Abreu S, Chaminade P, Loiseau P, Barratt G. Development of antileishmanial lipid nanocomplexes. Biochimie 2014; 107 Pt A:143-53. [DOI: 10.1016/j.biochi.2014.06.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 06/03/2014] [Indexed: 11/25/2022]
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22
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Kamiński DM. Recent progress in the study of the interactions of amphotericin B with cholesterol and ergosterol in lipid environments. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2014; 43:453-67. [PMID: 25173562 PMCID: PMC4212203 DOI: 10.1007/s00249-014-0983-8] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 08/08/2014] [Accepted: 08/19/2014] [Indexed: 11/12/2022]
Abstract
In the past decade substantial progress has been made in understanding the organization and biological activity of amphotericin B (AmB) in the presence of sterols in lipid environments. This review concentrates mainly on interactions of AmB with lipids and sterols, AmB channel formation in membranes, AmB aggregation, AmB modifications important for understanding its biological activity, and AmB models explaining its mechanism of action. Most of the reviewed studies concern monolayers at the water–gas interface, monolayers deposited on a solid substrate by use of the Langmuir–Blodgett technique, micelles, vesicles, and multi-bilayers. Liposomal AmB formulations and drug delivery are intentionally omitted, because several reviews dedicated to this subject are already available.
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Affiliation(s)
- Daniel Michał Kamiński
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950, Lublin, Poland,
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23
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Wang N, Wang T, Zhang M, Chen R, Niu R, Deng Y. Mannose derivative and lipid A dually decorated cationic liposomes as an effective cold chain free oral mucosal vaccine adjuvant-delivery system. Eur J Pharm Biopharm 2014; 88:194-206. [PMID: 24769065 DOI: 10.1016/j.ejpb.2014.04.007] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 04/14/2014] [Accepted: 04/16/2014] [Indexed: 01/24/2023]
Abstract
To develop convenient, effective cold chain-free subunit vaccines, a mannose-PEG-cholesterol conjugate (MPC) was synthesized as a lectin binding molecule and anchored onto liposomes which entrapped lipid A and model antigen to form a vaccine adjuvant-delivery system targeting antigen presenting cells. With MPC, soy phosphatidylcholine, stearylamine and monophosphoryl lipid A as emulsifiers dissolved in oil phase (O), and sucrose and BSA in water phase (W), the O/W emulsions were prepared and subsequently lyophilized. The lyophilized product was stable enough to be stored at room temperature and, upon rehydration, formed MPC-/lipid A-liposomes (MLLs) with a size under 300 nm and antigen association rates of around 36%. The MLLs given to mice via oral mucosal (o.m.) administration showed no side effects but induced potent immune responses as evidenced by the high levels of IgG in the sera and IgA in the salivary, intestinal and vaginal secretions of mice. High levels of IgG2a and IFN-γ in treated mice revealed that MLLs via o.m. vaccination induced a mixed Th1/Th2 response against antigens, establishing both humoral and cellular immunity. Thus, the MLLs may be a potent cold chain-free oral mucosal vaccine adjuvant-delivery system.
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Affiliation(s)
- Ning Wang
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | - Ting Wang
- Department of Pharmacy, Anhui Medical University, Hefei, China; Department of Pharmacy, Jining Medical College, Sunshine City, China.
| | - Meiling Zhang
- Department of Pharmacy, Anhui Medical University, Hefei, China
| | - Ruonan Chen
- Department of Pharmacy, Anhui Medical University, Hefei, China
| | - Ruowen Niu
- Department of Pharmacy, Anhui Medical University, Hefei, China
| | - Yihui Deng
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China.
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24
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Wang N, Wang T, Zhang M, Chen R, Deng Y. Using procedure of emulsification-lyophilization to form lipid A-incorporating cochleates as an effective oral mucosal vaccine adjuvant-delivery system (VADS). Int J Pharm 2014; 468:39-49. [PMID: 24704308 DOI: 10.1016/j.ijpharm.2014.04.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 03/07/2014] [Accepted: 04/02/2014] [Indexed: 12/22/2022]
Abstract
Using a procedure of emulsification-lyophilization (PEL), adjuvant lipid A-cochleates (LACs) were prepared as a carrier for model antigen bovine serum albumin (BSA). With phosphatidylserine and lipid A as emulsifiers dissolved in oil phase (O), sucrose and CaCl2 in the inner water phase (W1), and BSA, sucrose and PEG2000 in the outer water phase (W2), the W1/O/W2 emulsions were prepared and subsequently lyophilized to form a dry product which was stable enough to be stored at room temperature. Upon rehydration of the dry products, cochleates formed with a size of 800 nm and antigen association rates of 38%. After vaccination of mice through oral mucosal (o.m.) administration, LACs showed no side effects but induced potent immune responses as evidenced by high levels of IgG in the sera and IgA in the salivary, intestinal and vaginal secretions of mice. In addition, high levels of IgG2a and IFN-γ in the sera or culture supernatants of splenocytes of the immunized mice were also detected. These results revealed that LACs induced a mixed Th1/Th2 response against the loaded antigens. Thus, the LACs prepared by PEL were able to induce both systemic and mucosal immune responses and may act as a potent cold-chain-free oral mucosal vaccine adjuvant delivery system (VADS).
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MESH Headings
- Adjuvants, Immunologic/administration & dosage
- Adjuvants, Immunologic/chemistry
- Administration, Oral
- Animals
- Cells, Cultured
- Chemistry, Pharmaceutical
- Drug Carriers
- Drug Stability
- Emulsions
- Excipients/chemistry
- Female
- Freeze Drying
- Immunity, Humoral/drug effects
- Immunity, Mucosal/drug effects
- Immunoglobulin A, Secretory/metabolism
- Immunoglobulin G/blood
- Interferon-gamma/metabolism
- Lipid A/administration & dosage
- Lipid A/chemistry
- Lipid A/immunology
- Mice
- Mouth Mucosa/drug effects
- Mouth Mucosa/immunology
- Particle Size
- Phagocytosis/drug effects
- Powders
- Serum Albumin, Bovine/administration & dosage
- Serum Albumin, Bovine/chemistry
- Serum Albumin, Bovine/immunology
- Technology, Pharmaceutical/methods
- Th1 Cells/drug effects
- Th1 Cells/immunology
- Th2 Cells/drug effects
- Th2 Cells/immunology
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Affiliation(s)
- Ning Wang
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Ting Wang
- Department of Pharmacy, Anhui Medical University, 81 Mei Hill Road, Hefei, Anhui Province 230032, China; Department of Pharmacy, Jining Medical College, 669 Xueyuan Road, Sunshine City, Shandong Province 276826, China.
| | - Meiling Zhang
- Department of Pharmacy, Anhui Medical University, 81 Mei Hill Road, Hefei, Anhui Province 230032, China
| | - Ruonan Chen
- Department of Pharmacy, Anhui Medical University, 81 Mei Hill Road, Hefei, Anhui Province 230032, China
| | - Yihui Deng
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning Province 110016, China.
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