1
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Wang J, Chen G, Liu N, Han X, Zhao F, Zhang L, Chen P. Strategies for improving the safety and RNAi efficacy of noncovalent peptide/siRNA nanocomplexes. Adv Colloid Interface Sci 2022; 302:102638. [PMID: 35299136 DOI: 10.1016/j.cis.2022.102638] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 12/12/2022]
Abstract
In the past decades, the striking development of cationic polypeptides and cell-penetrating peptides (CPPs) tailored for small interfering RNA (siRNA) delivery has been fuelled by the conception of nuclear acid therapy and precision medicine. Owing to their amino acid compositions, inherent secondary structures as well as diverse geometrical shapes, peptides or peptide-containing polymers exhibit good biodegradability, high flexibility, and bio-functional diversity as nonviral siRNA vectors. Also, a variety of noncovalent nanocomplexes could be built via self-assembling and electrostatic interactions between cationic peptides and siRNAs. Although the peptide/siRNA nanocomplex-based RNAi therapies, STP705 and MIR-19, are under clinical trials, a guideline addressing the current bottlenecks of peptide/siRNA nanocomplex delivery is in high demand for future research and development. In this review, we present strategies for improving the safety and RNAi efficacy of noncovalent peptide/siRNA nanocomplexes in the treatment of genetic disorders. Through thorough analysis of those RNAi formulations using different delivery strategies, we seek to shed light on the rationale of peptide design and modification in constructing robust siRNA delivery systems, including targeted and co-delivery systems. Based on this, we provide a timely and comprehensive understanding of how to engineer biocompatible and efficient peptide-based siRNA vectors.
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Affiliation(s)
- Jun Wang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Guang Chen
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada; Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Nan Liu
- Advanced Materials Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250014, China
| | - Xiaoxia Han
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Feng Zhao
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Lei Zhang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - P Chen
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada; Advanced Materials Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250014, China.
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2
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Rajeev A, Siby A, Koottungal MJ, George J, John F. Knocking Down Barriers: Advances in siRNA Delivery. ChemistrySelect 2021. [DOI: 10.1002/slct.202103288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Anjaly Rajeev
- Bioorganic Chemistry Laboratory Department of Chemistry Sacred Heart College (Autonomous) Kochi Kerala India- 682013
| | - Aiswarya Siby
- Bioorganic Chemistry Laboratory Department of Chemistry Sacred Heart College (Autonomous) Kochi Kerala India- 682013
| | - Merin James Koottungal
- Bioorganic Chemistry Laboratory Department of Chemistry Sacred Heart College (Autonomous) Kochi Kerala India- 682013
| | - Jinu George
- Bioorganic Chemistry Laboratory Department of Chemistry Sacred Heart College (Autonomous) Kochi Kerala India- 682013
| | - Franklin John
- Bioorganic Chemistry Laboratory Department of Chemistry Sacred Heart College (Autonomous) Kochi Kerala India- 682013
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3
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Ojha SK, Pattnaik R, Singh PK, Dixit S, Mishra S, Pal S, Kumar S. Virus as nanocarrier for drug delivery redefining medical therapeutics - A status report. Comb Chem High Throughput Screen 2020; 25:1619-1629. [PMID: 33342404 DOI: 10.2174/1386207323666201218115850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 11/22/2022]
Abstract
Over the last two decades, drug delivery systems have evolved at a tremendous rate. Synthetic nanoparticles have played an important role in the design of vaccine and their delivery as many of them have shown improved safety and efficacy over conventional formulations. Nanocarriers formulated by natural, biological building blocks have become an important tool in the field biomedicine. A successful nanocarrier must have certain properties like evading the host immune system, target specificity, cellular entry, escape from endosomes, and ability to release material into the cytoplasm. Some or all of these functions can be performed by viruses making them a suitable candidate for naturally occurring nanocarriers. Moreover, viruses can be made non-infectious and non-replicative without compromising their ability to penetrate cells thus making them useful for a vast spectrum of applications. Currently, various carrier molecules are under different stages of development to become bio-nano capsules. This review covers the advances made in the field of viruses as potential nanocarriers and discusses the related technologies and strategies to target specific cells by using virus inspired nanocarriers. In future, these virus-based nano-formulations will be able to provide solutions towards pressing and emerging infectious diseases.
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Affiliation(s)
- Sanjay Kumar Ojha
- Pandorum Technologies Pvt. Ltd., Bangalore Bioinnovation Centre, Helix Biotech Park, Electronic City Phase 1, Bengaluru - 560 100. India
| | - Ritesh Pattnaik
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
| | - Puneet Kumar Singh
- Bioenergy Lab and BDTC, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-be-University, Bhubaneswar 751 024. India
| | - Shubha Dixit
- School of Pharmacy, Lloyd Institute of Management and Technology, PlotNo.11, Knowledge Park II Greater Noida- 201310. India
| | - Snehasish Mishra
- Bioenergy Lab and BDTC, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-be-University, Bhubaneswar 751 024. India
| | - Sreyasi Pal
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
| | - Subrat Kumar
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
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Hibbitts A, O’Connor AM, McCarthy J, Forde ÉB, Hessman G, O’Driscoll CM, Cryan SA, Devocelle M. Poly(ethylene glycol)-Based Peptidomimetic "PEGtide" of Oligo-Arginine Allows for Efficient siRNA Transfection and Gene Inhibition. ACS OMEGA 2019; 4:10078-10088. [PMID: 31460100 PMCID: PMC6647993 DOI: 10.1021/acsomega.9b00265] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 05/29/2019] [Indexed: 06/10/2023]
Abstract
While a wide range of experimental and commercial transfection reagents are currently available, persistent problems remain regarding their suitability for continued development. These include the transfection efficiency for difficult-to-transfect cell types and the risks of decreased cell viability that may arise from any transfection that does occur. Therefore, research is now turning toward alternative molecules that improve the toxicity profile of the gene delivery vector (GDV), while maintaining the transfection efficiency. Among them, cell-penetrating peptides, such as octa-arginine, have shown significant potential as GDVs. Their pharmacokinetic and pharmacodynamic properties can be enhanced through peptidomimetic conversion, whereby a peptide is modified into a synthetic analogue that mimics its structure and/or function, but whose backbone is not solely based on α-amino acids. Using this technology, novel peptidomimetics were developed by co- and postpolymerization functionalization of substituted ethylene oxides, producing poly(ethylene glycol) (PEG)-based peptidomimetics termed "PEGtides". Specifically, a PEGtide of the poly(α-amino acid) oligo-arginine [poly(glycidylguanidine)] was assessed for its ability to complex and deliver a small interfering ribonucleic acid (siRNA) using a range of cell assays and high-content analysis. PEGtide-siRNA demonstrated significantly increased internalization and gene inhibition over 24 h in Calu-3 pulmonary epithelial cells compared to commercial controls and octa-arginine-treated samples, with no evidence of toxicity. Furthermore, PEGtide-siRNA nanocomplexes can provide significant levels of gene inhibition in "difficult-to-transfect" mouse embryonic hypothalamic (mHypo N41) cells. Overall, the usefulness of this novel PEGtide for gene delivery was clearly demonstrated, establishing it as a promising candidate for continued translational research.
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Affiliation(s)
- Alan Hibbitts
- Tissue
Engineering Research Group, Department of Anatomy, Department of Chemistry, and Drug Delivery
& Advanced Materials Team, School of Pharmacy, Royal College of Surgeons in Ireland (RCSI), 123 St. Stephen’s Green, Dublin 2, Ireland
- Trinity Centre for Biomedical Engineering and School of Chemistry, Trinity College Dublin (TCD), The University of Dublin, College Green, Dublin 2, Ireland
- Advanced
Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin 2, Ireland
| | - Aoife M. O’Connor
- Tissue
Engineering Research Group, Department of Anatomy, Department of Chemistry, and Drug Delivery
& Advanced Materials Team, School of Pharmacy, Royal College of Surgeons in Ireland (RCSI), 123 St. Stephen’s Green, Dublin 2, Ireland
| | - Joanna McCarthy
- Pharmacodelivery
Group, School of Pharmacy, University College
Cork, Cavanagh Pharmacy Building, College Road, Cork T12 YN60, Ireland
| | - Éanna B. Forde
- Tissue
Engineering Research Group, Department of Anatomy, Department of Chemistry, and Drug Delivery
& Advanced Materials Team, School of Pharmacy, Royal College of Surgeons in Ireland (RCSI), 123 St. Stephen’s Green, Dublin 2, Ireland
| | - Gary Hessman
- Trinity Centre for Biomedical Engineering and School of Chemistry, Trinity College Dublin (TCD), The University of Dublin, College Green, Dublin 2, Ireland
| | - Caitriona M. O’Driscoll
- Pharmacodelivery
Group, School of Pharmacy, University College
Cork, Cavanagh Pharmacy Building, College Road, Cork T12 YN60, Ireland
| | - Sally-Ann Cryan
- Tissue
Engineering Research Group, Department of Anatomy, Department of Chemistry, and Drug Delivery
& Advanced Materials Team, School of Pharmacy, Royal College of Surgeons in Ireland (RCSI), 123 St. Stephen’s Green, Dublin 2, Ireland
- Trinity Centre for Biomedical Engineering and School of Chemistry, Trinity College Dublin (TCD), The University of Dublin, College Green, Dublin 2, Ireland
- Advanced
Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin 2, Ireland
- Centre
for Research in Medical Devices (CURAM), NUIG & RCSI, Biomedical Sciences, National University of Ireland
Galway (NUIG), Newcastle
Road, Galway H91 W2TY, Ireland
| | - Marc Devocelle
- Tissue
Engineering Research Group, Department of Anatomy, Department of Chemistry, and Drug Delivery
& Advanced Materials Team, School of Pharmacy, Royal College of Surgeons in Ireland (RCSI), 123 St. Stephen’s Green, Dublin 2, Ireland
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5
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Jansen MAA, Klausen LH, Thanki K, Lyngsø J, Skov Pedersen J, Franzyk H, Nielsen HM, van Eden W, Dong M, Broere F, Foged C, Zeng X. Lipidoid-polymer hybrid nanoparticles loaded with TNF siRNA suppress inflammation after intra-articular administration in a murine experimental arthritis model. Eur J Pharm Biopharm 2019; 142:38-48. [PMID: 31199978 DOI: 10.1016/j.ejpb.2019.06.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/17/2019] [Accepted: 06/10/2019] [Indexed: 12/19/2022]
Abstract
Rheumatoid arthritis (RA) is a common autoimmune disease, which is characterized by painful chronic inflammation in the joints, and novel safe and efficacious treatments are urgently needed. RNA interference (RNAi) therapy based on small interfering RNA (siRNA) is a promising approach for silencing specific genes involved in inflammation. However, delivery of siRNA to the target site, i.e. the cytosol of immune cells, is a challenge. Here, we designed lipid-polymer hybrid nanoparticles (LPNs) composed of lipidoid and poly(DL-lactic-co-glycolic acid) loaded with a therapeutic cargo siRNA directed against the proinflammatory cytokine tumor necrosis factor (TNF), which plays a key role in the progression of RA. We compared their efficacy and safety with reference lipidoid-based stable nucleic acid lipid particles (SNALPs) in vitro and in vivo. Cryogenic transmission electron microscopy, atomic force microscopy and small-angle X-ray scattering revealed that the mode of loading of siRNA in lamellar structures differs between the two formulations. Thus, siRNA was tightly packed in LPNs, while LPNs displayed lower adhesion than SNALPs. The LPNs mediated a higher TNF silencing effect in vitro than SNALPs in the RAW 264.7 macrophage cell line activated with lipopolysaccharide. For both types of delivery systems, macropinocytosis was involved in cellular uptake. In addition, clathrin-mediated endocytosis contributed to uptake of SNALPs. LPNs loaded with TNF siRNA mediated sequence-specific suppression of inflammation in a murine experimental arthritis model upon intra-articular administration. Hence, the present study demonstrates that LPN-mediated TNF knockdown constitutes a promising approach for arthritis therapy of TNF-mediated chronic inflammatory conditions.
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Affiliation(s)
- Manon A A Jansen
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Lasse H Klausen
- Interdisciplinary Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Kaushik Thanki
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Jeppe Lyngsø
- Interdisciplinary Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark; Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Jan Skov Pedersen
- Interdisciplinary Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark; Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen Ø, Denmark
| | - Hanne M Nielsen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Willem van Eden
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Femke Broere
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands; Department of Clinical Sciences of Companion Animals, Faculty Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark.
| | - Xianghui Zeng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark.
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6
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Cui PF, Qi LY, Wang Y, Yu RY, He YJ, Xing L, Jiang HL. Dex-Aco coating simultaneously increase the biocompatibility and transfection efficiency of cationic polymeric gene vectors. J Control Release 2019; 303:253-262. [DOI: 10.1016/j.jconrel.2019.04.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 03/19/2019] [Accepted: 04/23/2019] [Indexed: 12/18/2022]
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7
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van Eden W, Jansen MAA, Ludwig IS, Leufkens P, van der Goes MC, van Laar JM, Broere F. Heat Shock Proteins Can Be Surrogate Autoantigens for Induction of Antigen Specific Therapeutic Tolerance in Rheumatoid Arthritis. Front Immunol 2019; 10:279. [PMID: 30873163 PMCID: PMC6401592 DOI: 10.3389/fimmu.2019.00279] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/01/2019] [Indexed: 12/30/2022] Open
Abstract
Technologies that enable induction of therapeutic tolerance may revolutionize the treatment of autoimmune diseases by their supposed potential to induce drug-free and lasting disease remission. In combination with diagnostic tests that screen for individuals at risk, these approaches may offer chances to halt disease before serious damage in the tissues can occur. In fact, for healthy individuals at risk, this could lead to a preventive form of vaccination. For therapeutic tolerance to re-instate natural self-tolerance it seems essential to induce tolerance for the critical autoantigens involved in disease. However, for most autoimmune diseases such antigens are poorly defined. This is the case for both disease inciting autoantigens and antigens that become involved through epitope spreading. A possible source of surrogate auto-antigens expressed in tissues during inflammation are heat shock proteins (HSP) or stress proteins. In this mini-review we discuss unique characteristics of HSP which provide them with the capacity to inhibit inflammatory processes. Various studies have shown that epitopes of HSP60 and HSP70 molecules can function as vaccines to downregulate a variety of autoimmune inflammatory diseases. Currently, several research groups are developing cell therapies with the intention to reach therapeutic tolerance. In this review, in which we are proposing to ex vivo load tolerant dendritic cells with a Treg inducing HSP70 derived peptide called B29, we are discussing the chances to develop this as an autologous tolDC therapeutic tolerance therapy for rheumatoid arthritis.
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Affiliation(s)
- Willem van Eden
- Infectious Diseases and Immunology, Utrecht University, Utrecht, Netherlands
| | - Manon A A Jansen
- Infectious Diseases and Immunology, Utrecht University, Utrecht, Netherlands.,Faculty of Veterinary Medicine, Department of Infection and Immunity, Utrecht University, Utrecht, Netherlands
| | - Irene S Ludwig
- Infectious Diseases and Immunology, Utrecht University, Utrecht, Netherlands.,Faculty of Veterinary Medicine, Department of Infection and Immunity, Utrecht University, Utrecht, Netherlands
| | - Paul Leufkens
- Infectious Diseases and Immunology, Utrecht University, Utrecht, Netherlands.,Faculty of Veterinary Medicine, Department of Infection and Immunity, Utrecht University, Utrecht, Netherlands
| | | | | | - Femke Broere
- Infectious Diseases and Immunology, Utrecht University, Utrecht, Netherlands.,Faculty of Veterinary Medicine, Department of Infection and Immunity, Utrecht University, Utrecht, Netherlands
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8
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de Groot AM, Thanki K, Gangloff M, Falkenberg E, Zeng X, van Bijnen DCJ, van Eden W, Franzyk H, Nielsen HM, Broere F, Gay NJ, Foged C, Sijts AJAM. Immunogenicity Testing of Lipidoids In Vitro and In Silico: Modulating Lipidoid-Mediated TLR4 Activation by Nanoparticle Design. MOLECULAR THERAPY. NUCLEIC ACIDS 2018; 11:159-169. [PMID: 29858051 PMCID: PMC5992342 DOI: 10.1016/j.omtn.2018.02.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 02/06/2018] [Accepted: 02/06/2018] [Indexed: 11/28/2022]
Abstract
Therapeutics based on small interfering RNA (siRNA) have promising potential as antiviral and anti-inflammatory agents. To deliver siRNA across cell membranes to reach the RNAi pathway in the cytosol of target cells, non-viral nanoparticulate delivery approaches are explored. Recently, we showed that encapsulation of siRNA in lipid-polymer hybrid nanoparticles (LPNs), based on poly(DL-lactic-co-glycolic acid) (PLGA) and cationic lipid-like materials (lipidoids), remarkably enhances intracellular delivery of siRNA as compared to siRNA delivery with LPNs modified with dioleoyltrimethylammoniumpropane (DOTAP) as the lipid component. However, the potential immune modulation by these cationic lipids remains unexplored. By testing lipidoids and DOTAP for innate immune-receptor-activating properties in vitro, we found that neither lipidoids nor DOTAP activate human Toll-like receptor (TLR) 2, 3, 7, and 9. However, in contrast to DOTAP, lipidoids are strong agonists for TLR4 and activate murine antigen-presenting cells in vitro. This agonistic effect was further confirmed in silico using a prediction model based on crystal structures. Also, lipidoids formulated as lipoplexes or as stable nucleic acid lipid particles, which was the reference formulation for siRNA delivery, proved to activate TLR4. However, by combining lipidoids with PLGA into LPNs, TLR4 activation was abrogated. Thus, lipidoid-mediated TLR4 activation during siRNA delivery may be modulated via optimization of the formulation design.
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Affiliation(s)
- Anne Marit de Groot
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands
| | - Kaushik Thanki
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Monique Gangloff
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Emily Falkenberg
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Xianghui Zeng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Djai C J van Bijnen
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands
| | - Willem van Eden
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Hanne M Nielsen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Femke Broere
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands
| | - Nick J Gay
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark.
| | - Alice J A M Sijts
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands.
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Rak M, Ochałek A, Bielecka E, Latasiewicz J, Gawarecka K, Sroka J, Czyż J, Piwowarczyk K, Masnyk M, Chmielewski M, Chojnacki T, Swiezewska E, Madeja Z. Efficient and non-toxic gene delivery by anionic lipoplexes based on polyprenyl ammonium salts and their effects on cell physiology. J Gene Med 2017; 18:331-342. [PMID: 27706881 DOI: 10.1002/jgm.2930] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 09/30/2016] [Accepted: 10/02/2016] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND One of the major challenges limiting the development of gene therapy is an absence of efficient and safe gene carriers. Among the nonviral gene delivery methods, lipofection is considered as one of the most promising. In the present study, a set of cationic polyprenyl derivatives [trimethylpolyprenylammonium iodides (PTAI)] with different lengths of polyprenyl chains (from 7, 8 and 11 to 15 isoprene units) was suggested as a component of efficient DNA vehicles. METHODS Optimization studies were conducted for PTAI in combination with co-lipid dioleoylphosphatidylethanolamine on DU145 human prostate cancer cells using: size and zeta potential measurements, confocal microscopy, the fluorescein diacetate/ethidium bromide test, cell counting, time-lapse monitoring of cell movement, gap junctional intercellular coupling analysis, antimicrobial activity assay and a red blood cell hemolysis test. RESULTS The results obtained show that the lipofecting activity of PTAI allows effective transfection of plasmid DNA complexed in negatively-charged lipoplexes of 200-500 nm size into cells without significant side effects on cell physiology (viability, proliferation, morphology, migration and gap junctional intercellular coupling). Moreover, PTAI-based vehicles exhibit a potent bactericidal activity against Staphylococcus aureus and Escherichia coli. The developed anionic lipoplexes are safe towards human red blood cell membranes, which are not disrupted in their presence. CONCLUSIONS The developed carriers constitute a group of promising lipofecting agents of a new type that can be utilized as effective lipofecting agents in vitro and they are also an encouraging basis for in vivo applications.
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Affiliation(s)
- Monika Rak
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
| | - Anna Ochałek
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
| | - Ewa Bielecka
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Microbiology, Poland
| | - Joanna Latasiewicz
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biophysics, Poland
| | | | - Jolanta Sroka
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
| | - Jarosław Czyż
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
| | - Katarzyna Piwowarczyk
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
| | - Marek Masnyk
- Institute of Organic Chemistry PAS, Warsaw, Poland
| | | | | | - Ewa Swiezewska
- Institute of Biochemistry and Biophysics PAS, Warsaw, Poland
| | - Zbigniew Madeja
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biology, Poland
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10
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Korin E, Bejerano T, Cohen S. GalNAc bio-functionalization of nanoparticles assembled by electrostatic interactions improves siRNA targeting to the liver. J Control Release 2017; 266:310-320. [DOI: 10.1016/j.jconrel.2017.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 10/02/2017] [Accepted: 10/02/2017] [Indexed: 02/01/2023]
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11
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Wang R, Zhao Z, Han Y, Hu S, Opoku-Damoah Y, Zhou J, Yin L, Ding Y. Natural Particulates Inspired Specific-Targeted Codelivery of siRNA and Paclitaxel for Collaborative Antitumor Therapy. Mol Pharm 2017; 14:2999-3012. [DOI: 10.1021/acs.molpharmaceut.7b00192] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ruoning Wang
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Ziqiang Zhao
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yue Han
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Shihao Hu
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yaw Opoku-Damoah
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Jianping Zhou
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Lifang Yin
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yang Ding
- State Key Laboratory of Natural
Medicines, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
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Agnoletti M, Bohr A, Thanki K, Wan F, Zeng X, Boetker JP, Yang M, Foged C. Inhalable siRNA-loaded nano-embedded microparticles engineered using microfluidics and spray drying. Eur J Pharm Biopharm 2017; 120:9-21. [PMID: 28780275 DOI: 10.1016/j.ejpb.2017.08.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 06/09/2017] [Accepted: 08/01/2017] [Indexed: 01/19/2023]
Abstract
Medicines based on small interfering RNA (siRNA) are promising for the treatment of a number of lung diseases. However, efficient delivery systems and design of stable dosage forms are required for inhalation therapy, as well as cost-effective methods for manufacturing of the final product. In this study, a 3D-printed micromixer was used for preparation of siRNA-dendrimer nanocomplexes, which were subsequently processed into microparticle-based dry powders for inhalation using spray drying. By applying the disposable micromixer, nanocomplexes were prepared of an average hydrodynamic diameter comparable to that of nanocomplexes prepared by manual mixing, but with narrower size distribution and low batch-to-batch variation. The nanocomplexes were processed into nanoembedded microparticles using different saccharide excipients. Data showed that siRNA integrity and bioactivity are retained after processing, and nanocomplexes could be reconstituted from the dry powders. The amorphous saccharide excipients trehalose and inulin provided better stabilization than crystalline mannitol, and they enabled full reconstitution of the nanocomplexes. In particular, a binary mixture of trehalose and inulin showed optimal stabilization, and enhanced cellular uptake and gene silencing efficiency. This study demonstrates that inexpensive and scalable micromixers can be used to optimize the production of siRNA-dendrimer nanocomplexes, and they can be applied in combination with spray drying for the engineering of dry powder formulations suitable for delivery of siRNA to the therapeutic target site.
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Affiliation(s)
- Monica Agnoletti
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Dipartimento di Scienze degli Alimenti e del Farmaco, Università degli Studi di Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - Adam Bohr
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Institut Galien, Faculté de Pharmacie, Université Paris-Sud, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry CEDEX, France.
| | - Kaushik Thanki
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Feng Wan
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Xianghui Zeng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Johan Peter Boetker
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Mingshi Yang
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Wuya College of Innovation, Shenyang Pharmaceutical University, Wenhua Road 103, 110016 Shenyang, China
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark.
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13
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Thanki K, Zeng X, Justesen S, Tejlmann S, Falkenberg E, Van Driessche E, Mørck Nielsen H, Franzyk H, Foged C. Engineering of small interfering RNA-loaded lipidoid-poly(DL-lactic-co-glycolic acid) hybrid nanoparticles for highly efficient and safe gene silencing: A quality by design-based approach. Eur J Pharm Biopharm 2017; 120:22-33. [PMID: 28756280 DOI: 10.1016/j.ejpb.2017.07.014] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 07/19/2017] [Accepted: 07/25/2017] [Indexed: 01/29/2023]
Abstract
Safety and efficacy of therapeutics based on RNA interference, e.g., small interfering RNA (siRNA), are dependent on the optimal engineering of the delivery technology, which is used for intracellular delivery of siRNA to the cytosol of target cells. We investigated the hypothesis that commonly used and poorly tolerated cationic lipids might be replaced with more efficacious and safe lipidoids as the lipid component of siRNA-loaded lipid-polymer hybrid nanoparticles (LPNs) for achieving more efficient gene silencing at lower and safer doses. However, formulation design of such a complex formulation is highly challenging due to a strong interplay between several contributing factors. Hence, critical formulation variables, i.e. the lipidoid content and siRNA:lipidoid ratio, were initially identified, followed by a systematic quality-by-design approach to define the optimal operating space (OOS), eventually resulting in the identification of a robust, highly efficacious and safe formulation. A 17-run design of experiment with an I-optimal approach was performed to systematically assess the effect of selected variables on critical quality attributes (CQAs), i.e. physicochemical properties (hydrodynamic size, zeta potential, siRNA encapsulation/loading) and the biological performance (in vitro gene silencing and cell viability). Model fitting of the obtained data to construct predictive models revealed non-linear relationships for all CQAs, which can be readily overlooked in one-factor-at-a-time optimization approaches. The response surface methodology further enabled the identification of an OOS that met the desired quality target product profile. The optimized lipidoid-modified LPNs revealed more than 50-fold higher in vitro gene silencing at well-tolerated doses and approx. a twofold increase in siRNA loading as compared to reference LPNs modified with the commonly used cationic lipid dioleyltrimethylammonium propane (DOTAP). Thus, lipidoid-modified LPNs show highly promising prospects for efficient and safe intracellular delivery of siRNA.
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Affiliation(s)
- Kaushik Thanki
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Xianghui Zeng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Sarah Justesen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen Ø, Denmark
| | - Sarah Tejlmann
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Emily Falkenberg
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Elize Van Driessche
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Department of Pharmaceutics, Laboratory of General Biochemistry and Physical Pharmacy, Ghent University Campus Heymans, Ottergemsesteenweg 460, 9000 Gent, Belgium
| | - Hanne Mørck Nielsen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen Ø, Denmark
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark.
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Oude Blenke E, Sleszynska M, Evers MJW, Storm G, Martin NI, Mastrobattista E. Strategies for the Activation and Release of the Membranolytic Peptide Melittin from Liposomes Using Endosomal pH as a Trigger. Bioconjug Chem 2017; 28:574-582. [DOI: 10.1021/acs.bioconjchem.6b00677] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- E. Oude Blenke
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
| | - M. Sleszynska
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
| | - M. J. W. Evers
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
| | - G. Storm
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
| | - N. I. Martin
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
| | - E. Mastrobattista
- Department of Pharmaceutics and ‡Department of Chemical Biology and Drug Discovery, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of
Science, Utrecht University, 3512 JE Utrecht, Netherlands
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Ren X, Yang C, Li C, Gao J, Shi Y, Yang Z. Controlling the width of nanosheets by peptide length in peptoid–peptide biohybrid hydrogels. RSC Adv 2016. [DOI: 10.1039/c6ra15291k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The width of self-assembling nanosheets could be controlled by the variation of peptide length.
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Affiliation(s)
- Xinrui Ren
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
| | - Chengbiao Yang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
| | - Can Li
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
| | - Jie Gao
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
| | - Yang Shi
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
| | - Zhimou Yang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials
- Ministry of Education
- College of Life Sciences
- Nankai University
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