1
|
Huang P, Wang X, Liang X, Yang J, Zhang C, Kong D, Wang W. Nano-, micro-, and macroscale drug delivery systems for cancer immunotherapy. Acta Biomater 2019; 85:1-26. [PMID: 30579043 DOI: 10.1016/j.actbio.2018.12.028] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 12/05/2018] [Accepted: 12/18/2018] [Indexed: 12/16/2022]
Abstract
Immunotherapy is moving to the frontier of cancer treatment. Drug delivery systems (DDSs) have greatly advanced the development of cancer immunotherapeutic regimen and combination treatment. DDSs can spatiotemporally present tumor antigens, drugs, immunostimulatory molecules, or adjuvants, thus enabling the modulation of immune cells including dendritic cells (DCs) or T-cells directly in vivo and thereby provoking robust antitumor immune responses. Cancer vaccines, immune checkpoint blockade, and adoptive cell transfer have shown promising therapeutic efficiency in clinic, and the incorporation of DDSs may further increase antitumor efficiency while decreasing adverse side effects. This review focuses on the use of nano-, micro-, and macroscale DDSs for co-delivery of different immunostimulatory factors to reprogram the immune system to combat cancer. Regarding to nanoparticle-based DDSs, we emphasize the nanoparticle-based tumor immune environment modulation or as an addition to gene therapy, photodynamic therapy, or photothermal therapy. For microparticle or capsule-based DDSs, an overview of the carrier type, fabrication approach, and co-delivery of tumor vaccines and adjuvants is introduced. Finally, macroscale DDSs including hydrogels and scaffolds are also included and their role in personalized vaccine delivery and adoptive cell transfer therapy are described. Perspective and clinical translation of DDS-based cancer immunotherapy is also discussed. We believe that DDSs hold great potential in advancing the fundamental research and clinical translation of cancer immunotherapy. STATEMENT OF SIGNIFICANCE: Immunotherapy is moving to the frontier of cancer treatment. Drug delivery systems (DDSs) have greatly advanced the development of cancer immunotherapeutic regimen and combination treatment. In this comprehensive review, we focus on the use of nano-, micro-, and macroscale DDSs for the co-delivery of different immunostimulatory factors to reprogram the immune system to combat cancer. We also propose the perspective on the development of next-generation DDS-based cancer immunotherapy. This review indicates that DDSs can augment the antitumor T-cell immunity and hold great potential in advancing the fundamental research and clinical translation of cancer immunotherapy by simultaneously delivering dual or multiple immunostimulatory drugs.
Collapse
|
2
|
Abstract
Biomaterials-based strategies to engineer the immune system have gathered considerable attention the past decade and have opened new avenues for vaccine delivery and for modulating the immune system to fight cancer. This review highlights some of these strategies that involve well-defined particle-based delivery systems that are constructed in a multistep fashion. Particular attention is devoted to the design of micro and nanoparticles to deliver antigen and molecular adjuvants to antigen presenting immune cell subsets in lymphatic tissue.
Collapse
|
3
|
Lybaert L, Ryu KA, De Rycke R, Chon AC, De Wever O, Vermaelen KY, Esser‐Kahn A, De Geest BG. Polyelectrolyte-Enrobed Cancer Cells in View of Personalized Immune-Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2017; 4:1700050. [PMID: 28638786 PMCID: PMC5473321 DOI: 10.1002/advs.201700050] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 03/16/2017] [Indexed: 05/19/2023]
Abstract
Targeting the immune system with a personalized vaccine containing cues derived from the patient's malignancy might be a promising approach in the fight against cancer. It includes neo-antigens as well as nonmutated tumor antigens, preferentially leading to an immune response that is directed to a broader range of epitopes compared to strategies involving a single antigen. Here, this paper reports on an elegant method to encapsulate whole cancer cells into polyelectrolyte particles. Porous and nonaggregated microparticles containing dead cancer cells are obtained by admixing mannitol and live cancer cells with oppositely charged polyelectrolytes, dextran sulfate (anionic polysaccharide), and poly-l-arginine (cationic polypeptide) prior to atomization into a hot air stream. It shows that the polyelectrolyte-enrobed cancer cells, upon redispersion in phosphate buffered saline buffer, are stable and do not release cell proteins in the supernatant. In vitro experiments reveal that the particles are nontoxic and strongly increase uptake of cell lysate by dendritic cells. In vitro assessment of antigen presentation by dendritic cells reveal the potential of the polyelectrolyte-enrobed cancer cells as promotors of antigen cross-presentation. Finally, it is demonstrated that the immunogenicity can be enhanced by surface adsorption of a polymer-substituted TLR7-agonist.
Collapse
Affiliation(s)
- Lien Lybaert
- Department of PharmaceuticsGhent University9000GhentBelgium
| | - Keun Ah Ryu
- Department of ChemistryUniversity of California92618IrvineCAUSA
| | - Riet De Rycke
- VIB Inflammation Research Centerand Department of Biomedical Molecular BiologyGhent University9052GhentBelgium
- Department of Plant Systems BiologyVIB and Department of Plant Biotechnology and BioinformaticsGhent University9052GentBelgium
| | - Alfred C. Chon
- Department of ChemistryUniversity of California92618IrvineCAUSA
| | - Olivier De Wever
- Laboratory of Experimental Cancer ResearchGhent University9000GhentBelgium
| | - Karim Y. Vermaelen
- Tumor Immunology LaboratoryDepartment of Respiratory MedicineGhent University Hospital9000GhentBelgium
| | | | | |
Collapse
|
4
|
Richardson JJ, Cui J, Björnmalm M, Braunger JA, Ejima H, Caruso F. Innovation in Layer-by-Layer Assembly. Chem Rev 2016; 116:14828-14867. [PMID: 27960272 DOI: 10.1021/acs.chemrev.6b00627] [Citation(s) in RCA: 444] [Impact Index Per Article: 55.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Methods for depositing thin films are important in generating functional materials for diverse applications in a wide variety of fields. Over the last half-century, the layer-by-layer assembly of nanoscale films has received intense and growing interest. This has been fueled by innovation in the available materials and assembly technologies, as well as the film-characterization techniques. In this Review, we explore, discuss, and detail innovation in layer-by-layer assembly in terms of past and present developments, and we highlight how these might guide future advances. A particular focus is on conventional and early developments that have only recently regained interest in the layer-by-layer assembly field. We then review unconventional assemblies and approaches that have been gaining popularity, which include inorganic/organic hybrid materials, cells and tissues, and the use of stereocomplexation, patterning, and dip-pen lithography, to name a few. A relatively recent development is the use of layer-by-layer assembly materials and techniques to assemble films in a single continuous step. We name this "quasi"-layer-by-layer assembly and discuss the impacts and innovations surrounding this approach. Finally, the application of characterization methods to monitor and evaluate layer-by-layer assembly is discussed, as innovation in this area is often overlooked but is essential for development of the field. While we intend for this Review to be easily accessible and act as a guide to researchers new to layer-by-layer assembly, we also believe it will provide insight to current researchers in the field and help guide future developments and innovation.
Collapse
Affiliation(s)
- Joseph J Richardson
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia.,Manufacturing, CSIRO , Clayton, Victoria 3168, Australia
| | - Jiwei Cui
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Mattias Björnmalm
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Julia A Braunger
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| | - Hirotaka Ejima
- Institute of Industrial Science, The University of Tokyo , Tokyo 153-8505, Japan
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne , Parkville, Victoria 3010, Australia
| |
Collapse
|
5
|
Pohlit H, Bellinghausen I, Schömer M, Heydenreich B, Saloga J, Frey H. Biodegradable pH-Sensitive Poly(ethylene glycol) Nanocarriers for Allergen Encapsulation and Controlled Release. Biomacromolecules 2015; 16:3103-11. [PMID: 26324124 DOI: 10.1021/acs.biomac.5b00458] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In the last decades, the number of allergic patients has increased dramatically. Allergen-specific immunotherapy (SIT) is the only available cause-oriented therapy so far. SIT reduces the allergic symptoms, but also exhibits some disadvantages; that is, it is a long-lasting procedure and severe side effects like anaphylactic shock can occur. In this work, we introduce a method to encapsulate allergens into nanoparticles to avoid severe side effects during SIT. Degradable nanocarriers combine the advantage of providing a physical barrier between the encapsulated cargo and the biological environment as well as responding to certain local stimuli (like pH) to release their cargo. This work introduces a facile strategy for the synthesis of acid-labile poly(ethylene glycol) (PEG)-macromonomers that degrade at pH 5 (physiological pH inside the endolysosome) and can be used for nanocarrier synthesis. The difunctional, water-soluble PEG dimethacrylate (PEG-acetal-DMA) macromonomers with cleavable acetal units were analyzed with 1H NMR, SEC, and MALDI-ToF-MS. Both the allergen and the macromonomers were entrapped inside liposomes as templates, which were produced by dual centrifugation (DAC). Radical polymerization of the methacrylate units inside the liposomes generated allergen-loaded PEG nanocarriers. In vitro studies demonstrated that dendritic cells (DCs) internalize the protein-loaded, nontoxic PEG-nanocarriers. Furthermore, we demonstrate by cellular antigen stimulation tests that the nanocarriers effectively shield the allergen cargo from detection by immunoglobulins on the surface of basophilic leucocytes. Uptake of nanocarriers into DCs does not lead to cell maturation; however, the internalized allergen was capable to induce T cell immune responses.
Collapse
Affiliation(s)
- Hannah Pohlit
- Department of Dermatology, University Medical Center Mainz , Langenbeckstr. 1, 55131 Mainz, Germany.,Institute of Organic Chemistry, University of Mainz , Duesbergweg 10-14, 55128 Mainz, Germany.,Graduate School Materials Science in Mainz, Staudinger Weg 9, 55128 Mainz, Germany
| | - Iris Bellinghausen
- Department of Dermatology, University Medical Center Mainz , Langenbeckstr. 1, 55131 Mainz, Germany
| | - Martina Schömer
- Institute of Organic Chemistry, University of Mainz , Duesbergweg 10-14, 55128 Mainz, Germany
| | - Bärbel Heydenreich
- Department of Dermatology, University Medical Center Mainz , Langenbeckstr. 1, 55131 Mainz, Germany
| | - Joachim Saloga
- Department of Dermatology, University Medical Center Mainz , Langenbeckstr. 1, 55131 Mainz, Germany
| | - Holger Frey
- Institute of Organic Chemistry, University of Mainz , Duesbergweg 10-14, 55128 Mainz, Germany
| |
Collapse
|
6
|
Teekamp N, Duque LF, Frijlink HW, Hinrichs WLJ, Olinga P. Production methods and stabilization strategies for polymer-based nanoparticles and microparticles for parenteral delivery of peptides and proteins. Expert Opin Drug Deliv 2015; 12:1311-31. [DOI: 10.1517/17425247.2015.1003807] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
7
|
De Koker S, Fierens K, Dierendonck M, De Rycke R, Lambrecht BN, Grooten J, Remon JP, De Geest BG. Nanoporous polyelectrolyte vaccine microcarriers. A formulation platform for enhancing humoral and cellular immune responses. J Control Release 2014; 195:99-109. [PMID: 25078552 DOI: 10.1016/j.jconrel.2014.07.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 07/18/2014] [Accepted: 07/20/2014] [Indexed: 11/19/2022]
Abstract
In this paper we report on the design, characterization and immuno-biological evaluation of nanoporous polyelectrolyte microparticles as vaccine carrier. Relative to soluble antigen, formulation of antigen as a sub-10 μm particle can strongly enhance antigen-specific cellular immune responses. The latter is crucial to confer protective immunity against intracellular pathogens and for anti-cancer vaccines. However, a major bottleneck in microparticulate vaccine formulation is the development of generic strategies that afford antigen encapsulation under benign and scalable conditions. Our strategy is based on spray drying of a dilute aqueous solution of antigen, oppositely charged polyelectrolytes and mannitol as a pore-forming component. The obtained solid microparticles can be redispersed in aqueous medium, leading to leaching out of the mannitol, thereby creating a highly porous internal structure. This porous structure enhances enzymatic processing of encapsulated proteins. After optimizing the conditions to process these microparticles we demonstrate that they strongly enhance cross-presentation in vitro by dendritic cells to CD8 T cells. In vivo experiments in mice confirm that this vaccine formulation technology is capable of enhancing cellular immune responses.
Collapse
Affiliation(s)
- Stefaan De Koker
- Department of Pharmaceutics, Ghent University, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde, Ghent, Belgium
| | - Kaat Fierens
- VIB Inflammation Research Center, University of Ghent, Ghent, Belgium; Department of Respiratory Medicine, University Hospital Ghent, Ghent, Belgium
| | | | - Riet De Rycke
- VIB Inflammation Research Center, University of Ghent, Ghent, Belgium; Department of Plant Systems Biology, VIB, and Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Bart N Lambrecht
- VIB Inflammation Research Center, University of Ghent, Ghent, Belgium; Department of Respiratory Medicine, University Hospital Ghent, Ghent, Belgium
| | - Johan Grooten
- Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde, Ghent, Belgium
| | - Jean Paul Remon
- Department of Pharmaceutics, Ghent University, Ghent, Belgium
| | | |
Collapse
|
8
|
De Smet R, Verschuere S, Allais L, Leclercq G, Dierendonck M, De Geest BG, Van Driessche I, Demoor T, Cuvelier CA. Spray-Dried Polyelectrolyte Microparticles in Oral Antigen Delivery: Stability, Biocompatibility, and Cellular Uptake. Biomacromolecules 2014; 15:2301-9. [DOI: 10.1021/bm5005367] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rebecca De Smet
- Department
of Pathology, Ghent University, 5 Blok A, De Pintelaan 185, 9000 Ghent, Belgium
| | - Stephanie Verschuere
- Department
of Pathology, Ghent University, 5 Blok A, De Pintelaan 185, 9000 Ghent, Belgium
| | - Liesbeth Allais
- Department
of Pathology, Ghent University, 5 Blok A, De Pintelaan 185, 9000 Ghent, Belgium
| | - Georges Leclercq
- Department
of Clinical Chemistry, Microbiology and Immunology, Ghent University, 4
blok A, De Pintelaan 185, 9000 Ghent, Belgium
| | - Marijke Dierendonck
- Laboratory
of Pharmaceutical Technology, Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
| | - Bruno G. De Geest
- Laboratory
of Pharmaceutical Technology, Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
| | - Isabel Van Driessche
- Department
of Inorganic and Physical Chemistry, Ghent University, Krijgslaan
281, S3, 9000 Ghent, Belgium
| | - Tine Demoor
- Department
of Pathology, Ghent University, 5 Blok A, De Pintelaan 185, 9000 Ghent, Belgium
| | - Claude A. Cuvelier
- Department
of Pathology, Ghent University, 5 Blok A, De Pintelaan 185, 9000 Ghent, Belgium
| |
Collapse
|
9
|
De Smet R, Allais L, Cuvelier CA. Recent advances in oral vaccine development: yeast-derived β-glucan particles. Hum Vaccin Immunother 2014; 10:1309-18. [PMID: 24553259 DOI: 10.4161/hv.28166] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Oral vaccination is the most challenging vaccination method due to the administration route. However, oral vaccination has socio-economic benefits and provides the possibility of stimulating both humoral and cellular immune responses at systemic and mucosal sites. Despite the advantages of oral vaccination, only a limited number of oral vaccines are currently approved for human use. During the last decade, extensive research regarding antigen-based oral vaccination methods have improved immunogenicity and induced desired immunological outcomes. Nevertheless, several factors such as the harsh gastro-intestinal environment and oral tolerance impede the clinical application of oral delivery systems. To date, human clinical trials investigating the efficacy of these systems are still lacking. This review addresses the rationale and key biological and physicochemical aspects of oral vaccine design and highlights the use of yeast-derived β-glucan microparticles as an oral vaccine delivery platform.
Collapse
|
10
|
Dierendonck M, De Koker S, De Rycke R, De Geest BG. Just spray it--LbL assembly enters a new age. SOFT MATTER 2014; 10:804-807. [PMID: 24838052 DOI: 10.1039/c3sm52202d] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Over the past two decades the Layer-by-Layer (LbL) assembly of multilayer thin films has witnessed an explosive growth. However, this has so far not been translated into numerous industrial applications mainly owing to the time-consuming multistep assembly procedure which was originally based on dipping of a substrate into a solution. More recently the use of spray-based approaches, both for planar films as well as for the construction of polymeric particles, has emerged. Here we highlight these recent advances that have the potential to move the LbL field forward.
Collapse
Affiliation(s)
- Marijke Dierendonck
- Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium.
| | | | | | | |
Collapse
|
11
|
Islam MS, Choi WS, Bae TS, Lee YB, Lee HJ. Neuron-like polyelectrolyte–carbon nanotube composites for ultra-high loading of metal nanoparticles. NEW J CHEM 2014. [DOI: 10.1039/c4nj00638k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a simple protocol for the fabrication of multiwalled carbon nanotubes (MWCNTs) with a neuron-like structure for loading ultra-high densities of metal nanoparticles (NPs).
Collapse
Affiliation(s)
- Md. Shahinul Islam
- Western Seoul Center
- Korea Basic Science Institute
- 120-140, Seoul, Republic of Korea
| | - Won San Choi
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon, Republic of Korea
| | - Tae Sung Bae
- Jeonju Center
- Korea Basic Science Institute
- Dukjin-gu, Republic of Korea
| | - Young Boo Lee
- Jeonju Center
- Korea Basic Science Institute
- Dukjin-gu, Republic of Korea
| | - Ha-Jin Lee
- Western Seoul Center
- Korea Basic Science Institute
- 120-140, Seoul, Republic of Korea
| |
Collapse
|
12
|
Yashchenok A, Masic A, Gorin D, Shim BS, Kotov NA, Fratzl P, Möhwald H, Skirtach A. Nanoengineered colloidal probes for Raman-based detection of biomolecules inside living cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2013; 9:351-356. [PMID: 23047321 DOI: 10.1002/smll.201201494] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 08/07/2012] [Indexed: 06/01/2023]
Abstract
Gold nanoparticle aggregate carbon nanotube functionalized colloidal particles serve as an efficient platform for probing the intracellular environment. The probes provide the means of effective localization of signal and detection of molecular fingerprints of biomolecules in living cells. The approach demonstrated in this work opens significant opportunities in molecular imaging as well as intracellular sensing and trafficking.
Collapse
Affiliation(s)
- Alexey Yashchenok
- Max Planck Institute of Colloids and Interfaces, Department of Interfaces, Potsdam, Germany
| | | | | | | | | | | | | | | |
Collapse
|
13
|
Ingvarsson PT, Schmidt ST, Christensen D, Larsen NB, Hinrichs WLJ, Andersen P, Rantanen J, Nielsen HM, Yang M, Foged C. Designing CAF-adjuvanted dry powder vaccines: spray drying preserves the adjuvant activity of CAF01. J Control Release 2013; 167:256-64. [PMID: 23415813 DOI: 10.1016/j.jconrel.2013.01.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 01/23/2013] [Accepted: 01/30/2013] [Indexed: 12/27/2022]
Abstract
Dry powder vaccine formulations are highly attractive due to improved storage stability and the possibility for particle engineering, as compared to liquid formulations. However, a prerequisite for formulating vaccines into dry formulations is that their physicochemical and adjuvant properties remain unchanged upon rehydration. Thus, we have identified and optimized the parameters of importance for the design of a spray dried powder formulation of the cationic liposomal adjuvant formulation 01 (CAF01) composed of dimethyldioctadecylammonium (DDA) bromide and trehalose 6,6'-dibehenate (TDB) via spray drying. The optimal excipient to stabilize CAF01 during spray drying and for the design of nanocomposite microparticles was identified among mannitol, lactose and trehalose. Trehalose and lactose were promising stabilizers with respect to preserving liposome size, as compared to mannitol. Trehalose and lactose were in the glassy state upon co-spray drying with the liposomes, whereas mannitol appeared crystalline, suggesting that the ability of the stabilizer to form a glassy matrix around the liposomes is one of the prerequisites for stabilization. Systematic studies on the effect of process parameters suggested that a fast drying rate is essential to avoid phase separation and lipid accumulation at the surface of the microparticles during spray drying. Finally, immunization studies in mice with CAF01 in combination with the tuberculosis antigen Ag85B-ESAT6-Rv2660c (H56) demonstrated that spray drying of CAF01 with trehalose under optimal processing conditions resulted in the preservation of the adjuvant activity in vivo. These data demonstrate the importance of liposome stabilization via optimization of formulation and processing conditions in the engineering of dry powder liposome formulations.
Collapse
Affiliation(s)
- Pall Thor Ingvarsson
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | | | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Yashchenok A, Parakhonskiy B, Donatan S, Kohler D, Skirtach A, Möhwald H. Polyelectrolyte multilayer microcapsules templated on spherical, elliptical and square calcium carbonate particles. J Mater Chem B 2013; 1:1223-1228. [DOI: 10.1039/c2tb00416j] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|
15
|
Palankar R, Pinchasik BE, Schmidt S, De Geest BG, Fery A, Möhwald H, Skirtach AG, Delcea M. Mechanical strength and intracellular uptake of CaCO3-templated LbL capsules composed of biodegradable polyelectrolytes: the influence of the number of layers. J Mater Chem B 2013; 1:1175-1181. [DOI: 10.1039/c2tb00319h] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
16
|
Devriendt B, Baert K, Dierendonck M, Favoreel H, De Koker S, Remon JP, De Geest BG, Cox E. One-step spray-dried polyelectrolyte microparticles enhance the antigen cross-presentation capacity of porcine dendritic cells. Eur J Pharm Biopharm 2012. [PMID: 23207327 DOI: 10.1016/j.ejpb.2012.11.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Vaccination is regarded as the most efficient and cost-effective way to prevent infectious diseases. Vaccine design nowadays focuses on the implementation of safer recombinant subunit vaccines. However, these recombinant subunit antigens are often poor immunogens and several strategies are currently under investigation to enhance their immunogenicity. The encapsulation of antigens in biodegradable microparticulate delivery systems seems a promising strategy to boost their immunogenicity. Here, we evaluate the capacity of polyelectrolyte complex microparticles (PECMs), fabricated by single step spray-drying, to deliver antigens to porcine dendritic cells and how these particles affect the functional maturation of dendritic cells (DCs). As clinically relevant model antigen F4 fimbriae, a bacterial adhesin purified from a porcine-specific enterotoxigenic Escherichia coli strain was chosen. The resulting antigen-loaded PECMs are efficiently internalised by porcine monocyte-derived DCs. F4 fimbriae-loaded PECMs (F4-PECMs) enhanced CD40 and CD25 surface expression by DCs and this phenotypical maturation correlated with an increased secretion of IL-6 and IL-1β. More importantly, F4-PECMs enhance both the T cell stimulatory and antigen presentation capacity of DCs. Moreover, PECMs efficiently promoted the CD8(+) T cell stimulatory capacity of dendritic cells, indicating an enhanced ability to cross-present the encapsulated antigens. These results could accelerate the development of veterinary and human subunit vaccines based on polyelectrolyte complex microparticles to induce protective immunity against a variety of extra- and intracellular pathogens.
Collapse
Affiliation(s)
- Bert Devriendt
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
| | | | | | | | | | | | | | | |
Collapse
|
17
|
Mertz D, Cui J, Yan Y, Devlin G, Chaubaroux C, Dochter A, Alles R, Lavalle P, Voegel JC, Blencowe A, Auffinger P, Caruso F. Protein capsules assembled via isobutyramide grafts: sequential growth, biofunctionalization, and cellular uptake. ACS NANO 2012; 6:7584-94. [PMID: 22950440 DOI: 10.1021/nn302024t] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
We report the sequential assembly of proteins via the alternating physical adsorption of human serum albumin (HSA) and chemical grafting with isobutyramide (IBAM) or bromoisobutyramide (BrIBAM) groups. This approach, performed on silica template particles, leads to the formation of noncovalent protein films with controlled growth at the nanometer scale. Further, after template removal, hollow protein capsules with tunable wall thicknesses and high mechanical stability are obtained. The use of BrIBAM, compared to IBAM grafts, leads to significantly thicker capsule walls, highlighting the influence of the bromine atoms in the assembly process, which is discussed in terms of a theoretical model of noncovalent interactions. Another feature of the process is the possibility to functionalize the HSA capsules with other biologically active macromolecules, including enzymes, polysaccharides, or DNA plasmids, demonstrating the versatility of this approach. We also report that BrIBAM-HSA and IBAM-HSA capsules display negligible cytotoxicity in vitro with HeLa cells and that their cellular uptake is dependent on the thickness of the capsule walls. These findings support the potential use of these protein capsules in tailored biological applications such as drug delivery.
Collapse
Affiliation(s)
- Damien Mertz
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
18
|
Marchenko I, Yashchenok A, Borodina T, Bukreeva T, Konrad M, Möhwald H, Skirtach A. Controlled enzyme-catalyzed degradation of polymeric capsules templated on CaCO₃: influence of the number of LbL layers, conditions of degradation, and disassembly of multicompartments. J Control Release 2012; 162:599-605. [PMID: 22902593 DOI: 10.1016/j.jconrel.2012.08.006] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 08/01/2012] [Accepted: 08/04/2012] [Indexed: 11/18/2022]
Abstract
Enzyme-catalyzed degradation of CaCO₃-templated capsules is presented. We investigate a) biodegradable, b) mixed biodegradable/synthetic, and c) multicompartment polyelectrolyte multilayer capsules with different numbers of polymer layers. Using confocal laser scanning microscopy we observed the kinetics of the non-specific protease Pronase-induced degradation of capsules is slowed down on the order of hours by either increasing the number of layers in the wall of biodegradable capsules, or by inserting synthetic polyelectrolyte multilayers into the shell comprised of biodegradable polymers. The degradation rate increases with the concentration of Pronase. Controlled detachment of subcompartments of multicompartment capsules, with potential for intracellular delivery or in-vivo applications, is also shown.
Collapse
Affiliation(s)
- Irina Marchenko
- Institute of Crystallography, Russian Academy of Sciences, Moscow 119333, Russia
| | | | | | | | | | | | | |
Collapse
|
19
|
Dierendonck M, De Koker S, Vervaet C, Remon JP, De Geest BG. Interaction between polymeric multilayer capsules and immune cells. J Control Release 2012; 161:592-9. [DOI: 10.1016/j.jconrel.2012.03.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Revised: 02/29/2012] [Accepted: 03/01/2012] [Indexed: 11/26/2022]
|
20
|
De Geest BG, Willart MA, Hammad H, Lambrecht BN, Pollard C, Bogaert P, De Filette M, Saelens X, Vervaet C, Remon JP, Grooten J, De Koker S. Polymeric multilayer capsule-mediated vaccination induces protective immunity against cancer and viral infection. ACS NANO 2012; 6:2136-49. [PMID: 22303914 DOI: 10.1021/nn205099c] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Recombinant antigens hold high potential to develop vaccines against lethal intracellular pathogens and cancer. However, they are poorly immunogenic and fail to induce potent cellular immunity. In this paper, we demonstrate that polymeric multilayer capsules (PMLC) strongly increase antigen delivery toward professional antigen-presenting cells in vivo, including dendritic cells (DCs), macrophages, and B cells, thereby enforcing antigen presentation and stimulating T cell proliferation. A thorough analysis of the T cell response demonstrated their capacity to induce IFN-γ secreting CD4 and CD8 T cells, in addition to follicular T-helper cells, a recently identified CD4 T cell subset supporting antibody responses. On the B cell level, PMLC-mediated antigen delivery promoted the formation of germinal centers, resulting in increased numbers of antibody-secreting plasma cells and elevated antibody titers. The functional relevance of the induced immune responses was validated in murine models of influenza and melanoma. On a mechanistic level, we have demonstrated the capacity of PMLC to activate the NALP3 inflammasome and trigger the release of the potent pro-inflammatory cytokine IL-1β. Finally, using DC-depleted mice, we have identified DCs as the key mediators of the immunogenic properties of PMLC.
Collapse
Affiliation(s)
- Bruno G De Geest
- Laboratory of Pharmaceutical Technology, Department of PharmaceuticsGhent University, Ghent, Belgium.
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
21
|
De Geest BG, Willart MA, Lambrecht BN, Pollard C, Vervaet C, Remon JP, Grooten J, De Koker S. Surface-engineered polyelectrolyte multilayer capsules: synthetic vaccines mimicking microbial structure and function. Angew Chem Int Ed Engl 2012; 51:3862-6. [PMID: 22411781 DOI: 10.1002/anie.201200048] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Indexed: 12/14/2022]
Abstract
Immunizing: to evoke highly potent immune responses against recombinant antigens, hollow capsules consisting of layers of dextran sulphate and poly-L-arginine that encapsulate the antigen ovalbumin (orange circles) were coated with immune-activating CpG-containing oligonucleotides (green). These capsules were readily internalized by dendritic cells and showed activity in further immunization experiments.
Collapse
Affiliation(s)
- Bruno G De Geest
- Laboratory of Pharmaceutical Technology, Department of Pharmaceutics, Ghent University, Belgium.
| | | | | | | | | | | | | | | |
Collapse
|
22
|
De Geest BG, Willart MA, Lambrecht BN, Pollard C, Vervaet C, Remon JP, Grooten J, De Koker S. Surface-Engineered Polyelectrolyte Multilayer Capsules: Synthetic Vaccines Mimicking Microbial Structure and Function. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201200048] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
23
|
De Koker S, Hoogenboom R, De Geest BG. Polymeric multilayer capsules for drug delivery. Chem Soc Rev 2012; 41:2867-84. [DOI: 10.1039/c2cs15296g] [Citation(s) in RCA: 324] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|