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Araújo-Silva H, Teixeira PV, Gomes AC, Lúcio M, Lopes CM. Lyotropic liquid crystalline 2D and 3D mesophases: Advanced materials for multifunctional anticancer nanosystems. Biochim Biophys Acta Rev Cancer 2023; 1878:189011. [PMID: 37923232 DOI: 10.1016/j.bbcan.2023.189011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/03/2023] [Accepted: 10/23/2023] [Indexed: 11/07/2023]
Abstract
Cancer remains a leading cause of mortality. Despite significant breakthroughs in conventional therapies, treatment is still far from ideal due to high toxicity in normal tissues and therapeutic inefficiency caused by short drug lifetime in the body and resistance mechanisms. Current research moves towards the development of multifunctional nanosystems for delivery of chemotherapeutic drugs, bioactives and/or radionuclides that can be combined with other therapeutic modalities, like gene therapy, or imaging to use in therapeutic screening and diagnosis. The preparation and characterization of Lyotropic Liquid Crystalline (LLC) mesophases self-assembled as 2D and 3D structures are addressed, with an emphasis on the unique properties of these nanoassemblies. A comprehensive review of LLC nanoassemblies is also presented, highlighting the most recent advances and their outstanding advantages as drug delivery systems, including tailoring strategies that can be used to overcome cancer challenges. Therapeutic agents loaded in LLC nanoassemblies offer qualitative and quantitative enhancements that are superior to conventional chemotherapy, particularly in terms of preferential accumulation at tumor sites and promoting enhanced cancer cell uptake, lowering tumor volume and weight, improving survival rates, and increasing the cytotoxicity of their loaded therapeutic agents. In terms of quantitative anticancer efficacy, loaded LLC nanoassemblies reduced the IC50 values from 1.4-fold against lung cancer cells to 125-fold against ovarian cancer cells.
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Affiliation(s)
- Henrique Araújo-Silva
- Centro de Biologia Molecular e Ambiental (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Patricia V Teixeira
- Centro de Física das Universidades do Minho e Porto (CF-UM-UP), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Andreia C Gomes
- Centro de Biologia Molecular e Ambiental (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal; Institute of Science and Innovation for Sustainability (IB-S), University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Marlene Lúcio
- Centro de Biologia Molecular e Ambiental (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal; Centro de Física das Universidades do Minho e Porto (CF-UM-UP), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Carla M Lopes
- Instituto de Investigação, Inovação e Desenvolvimento (FP-I3ID), Biomedical and Health Sciences Research Unit (FP-BHS), Faculdade de Ciências da Saúde, Universidade Fernando Pessoa, 4200-150 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; UCIBIO - Applied Molecular Biosciences Unit, MEDTECH, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
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2
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Hu D, Fumoto S, Yoshikawa N, Peng J, Miyamoto H, Tanaka M, Nishida K. Diffusion coefficient of cationic liposomes during lipoplex formation determines transfection efficiency in HepG2 cells. Int J Pharm 2023; 637:122881. [PMID: 36963641 DOI: 10.1016/j.ijpharm.2023.122881] [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: 12/02/2022] [Revised: 02/21/2023] [Accepted: 03/19/2023] [Indexed: 03/26/2023]
Abstract
Cationic lipid-based lipoplexes are well-known for gene delivery. To determine the relationship between physicochemical characteristics and transfection efficiency, cationic liposomes of different sizes were prepared and incubated with plasmid DNA at different temperatures to form lipoplexes. We found that the liposome diffusion coefficient during lipoplex formation strongly correlated with the physicochemical characteristics of lipoplexes, accessibility of plasmid DNA in lipoplexes, and logarithm of gene expression per metabolic activity. Clathrin-mediated endocytosis was the major route for lipoplexes comprising 100 nm-liposomes, as reported previously. As liposome size increased, the major route shifted to lipid raft-mediated endocytosis. In addition, macropinocytosis was observed for all liposome sizes. The role of reactive oxygen species might depend on liposome size and endocytosis. Information from this study would be useful for understanding cationic lipoplex-mediated transfection.
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Affiliation(s)
- Die Hu
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
| | - Shintaro Fumoto
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan.
| | - Naoki Yoshikawa
- Department of Pharmacy, University of Miyazaki Hospital, 5200 Kihara, Kiyotake-Cho, Miyazaki 889-1692, Japan
| | - Jianqing Peng
- The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang, 550025, China
| | - Hirotaka Miyamoto
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
| | - Koyo Nishida
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
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3
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Gene-Delivery Ability of New Hydrogenated and Partially Fluorinated Gemini bispyridinium Surfactants with Six Methylene Spacers. Int J Mol Sci 2022; 23:ijms23063062. [PMID: 35328483 PMCID: PMC8949414 DOI: 10.3390/ijms23063062] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/22/2022] [Accepted: 03/09/2022] [Indexed: 01/22/2023] Open
Abstract
The pandemic emergency determined by the spreading worldwide of the SARS-CoV-2 virus has focused the scientific and economic efforts of the pharmaceutical industry and governments on the possibility to fight the virus by genetic immunization. The genetic material must be delivered inside the cells by means of vectors. Due to the risk of adverse or immunogenic reaction or replication connected with the more efficient viral vectors, non-viral vectors are in many cases considered as a preferred strategy for gene delivery into eukaryotic cells. This paper is devoted to the evaluation of the gene delivery ability of new synthesized gemini bis-pyridinium surfactants with six methylene spacers, both hydrogenated and fluorinated, in comparison with compounds with spacers of different lengths, previously studied. Results from MTT proliferation assay, electrophoresis mobility shift assay (EMSA), transient transfection assay tests and atomic force microscopy (AFM) imaging confirm that pyridinium gemini surfactants could be a valuable tool for gene delivery purposes, but their performance is highly dependent on the spacer length and strictly related to their structure in solution. All the fluorinated compounds are unable to transfect RD-4 cells, if used alone, but they are all able to deliver a plasmid carrying an enhanced green fluorescent protein (EGFP) expression cassette, when co-formulated with 1,2-dioleyl-sn-glycero-3-phosphoethanolamine (DOPE) in a 1:2 ratio. The fluorinated compounds with spacers formed by six (FGP6) and eight carbon atoms (FGP8) give rise to a very interesting gene delivery activity, greater to that of the commercial reagent, when formulated with DOPE. The hydrogenated compound GP16_6 is unable to sufficiently compact the DNA, as shown by AFM images.
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4
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Fernandes M, Lopes I, Teixeira J, Botelho C, Gomes AC. Exosome-like Nanoparticles: A New Type of Nanocarrier. Curr Med Chem 2020; 27:3888-3905. [PMID: 30706777 DOI: 10.2174/0929867326666190129142604] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 11/23/2018] [Accepted: 01/17/2019] [Indexed: 12/12/2022]
Abstract
Nanoparticles are one of the most commonly used systems for imaging or therapeutic drug delivery. Exosomes are nanovesicular carriers that transport cargo for intercellular communication. These nanovesicles are linked to the pathology of some major diseases, in some cases with a central role in their progression. The use of these carriers to transport therapeutic drugs is a recent and promising approach to treat diseases such as cancer and Alzheimer disease. The physiological production of these structures is limited impairing its collection and subsequent purification. These drawbacks inspired the search for mimetic alternatives. The collection of exosome-like nanoparticles from plants can be a good alternative, since they are easier to extract and do not have the drawbacks of those produced in animal cells. Both natural and synthetic exosome-like nanoparticles, produced from serial extrusion of cells or by bottom up synthesis, are currently some of the most promising, biocompatible, high efficiency systems for drug delivery.
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Affiliation(s)
- Mário Fernandes
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Ivo Lopes
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - José Teixeira
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Cláudia Botelho
- Centre of Biological Engineering (CEB), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.,Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Andreia C Gomes
- Centre of Molecular and Environmental Biology (CBMA), Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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5
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Oliveira ACN, Fernandes J, Gonçalves A, Gomes AC, Oliveira MECDR. Lipid-based Nanocarriers for siRNA Delivery: Challenges, Strategies and the Lessons Learned from the DODAX: MO Liposomal System. Curr Drug Targets 2020; 20:29-50. [PMID: 29968536 DOI: 10.2174/1389450119666180703145410] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 04/24/2018] [Accepted: 06/28/2018] [Indexed: 12/19/2022]
Abstract
The possibility of using the RNA interference (RNAi) mechanisms in gene therapy was one of the scientific breakthroughs of the last century. Despite the extraordinary therapeutic potential of this approach, the need for an efficient gene carrier is hampering the translation of the RNAi technology to the clinical setting. Although a diversity of nanocarriers has been described, liposomes continue to be one of the most attractive siRNA vehicles due to their relatively low toxicity, facilitated siRNA complexation, high transfection efficiency and enhanced pharmacokinetic properties. This review focuses on RNAi as a therapeutic approach, the challenges to its application, namely the nucleic acids' delivery process, and current strategies to improve therapeutic efficacy. Additionally, lipid-based nanocarriers are described, and lessons learned from the relation between biophysical properties and biological performance of the dioctadecyldimethylammonium:monoolein (DODAX: MO) system are explored. Liposomes show great potential as siRNA delivery systems, being safe nanocarriers to protect nucleic acids in circulation, extend their half-life time, target specific cells and reduce off-target effects. Nevertheless, several issues related to delivery must be overcome before RNAi therapies reach their full potential, namely target-cell specificity and endosomal escape. Understanding the relationship between biophysical properties and biological performance is an essential step in the gene therapy field.
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Affiliation(s)
- Ana C N Oliveira
- CBMA (Center of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal.,CFUM (Center of Physics), Department of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Joana Fernandes
- CBMA (Center of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Anabela Gonçalves
- CBMA (Center of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Andreia C Gomes
- CBMA (Center of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - M E C D Real Oliveira
- CFUM (Center of Physics), Department of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
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6
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Barbosa C, Santos-Pereira C, Soares I, Martins V, Terra-Matos J, Côrte-Real M, Lúcio M, Oliveira MECDR, Gerós H. Resveratrol-Loaded Lipid Nanocarriers Are Internalized By Endocytosis in Yeast. JOURNAL OF NATURAL PRODUCTS 2019; 82:1240-1249. [PMID: 30964667 DOI: 10.1021/acs.jnatprod.8b01003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Different positive pharmacological effects have been attributed to the natural product resveratrol (RSV), including antioxidant, antiaging, and cancer chemopreventive properties. However, its low bioavailability and rapid metabolic degradation has led to the suspicion that many of the biological activities of this compound observed in vitro may not be attainable in humans. To improve its bioavailability and pharmacokinetic profile, attempts have been made to encapsulate RSV into lipid-based nanocarrier systems. Here, the dioctadecyldimethylammonium bromide (DODAB):monoolein (MO) liposomal system (1:2) loaded with RSV revealed appropriate characteristics for drug release purposes: reduced size for cellular uptake (157 ± 23 nm), stability up to 80 days, positive surface charge (ζ ≈ +40 mV), and a controlled biphasic release of RSV from the lipid nanocarriers over a period of almost 50 h at pH 5.0 and 7.4. Moreover, the encapsulation efficiency of the nanocarrier ranged from 70% to 92% and its RSV loading capacity from 9% to 14%, when [RSV] was between 100 and 200 μM. The partition coefficient ( Kp) of RSV between lipid and aqueous phase was log Kp = 3.37 ± 0.10, suggesting moderate to high lipophilicity of this natural compound and reinforcing the lipid nanocarriers' suitability for RSV incorporation. The thermodynamic parameters of RSV partitioning in the lipid nanocarriers at 37 °C (Δ H = 43.76 ± 5.68 kJ mol-1; Δ S = 0.20 ± 0.005 kJ mol-1; and Δ G = -18.46 ± 3.48 kJ mol-1) reflected the spontaneity of the process and the establishment of hydrophobic interactions. The cellular uptake mechanism of the RSV-loaded nanocarriers labeled with the lipophilic fluorescent probe 1,6-diphenyl-1,3,5-hexatriene (DPH) was studied in the eukaryotic model system Saccharomyces cerevisiae. Thirty minutes after incubation, yeast cells readily internalized nanocarriers and the spots of blue fluorescence of DPH clustered around the central vacuole in lipid droplets colocalized with the green fluorescence of the lipophilic endocytosis probe FM1-43. Subsequent studies with the endocytosis defective yeast deletion mutant ( end3Δ) and with the endocytosis inhibitor methyl-β-cyclodextrin supported the involvement of an endocytic pathway. This novel nanotechnology approach opens good perspectives for medical applications.
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Affiliation(s)
- Célia Barbosa
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Cátia Santos-Pereira
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
- Centre of Biological Engineering (CEB), Department of Biological Engineering , University of Minho , Campus de Gualtar , 4710-057 Braga , Portugal
| | - Inês Soares
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Viviana Martins
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB) , University of Trás-os-Montes e Alto Douro , Quinta de Prados , 5000-801 Vila Real , Portugal
| | - Joana Terra-Matos
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Manuela Côrte-Real
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Marlene Lúcio
- Centre of Physics (CFUM), Department of Physics , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - M E C D Real Oliveira
- Centre of Physics (CFUM), Department of Physics , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Hernâni Gerós
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
- Centre of Biological Engineering (CEB), Department of Biological Engineering , University of Minho , Campus de Gualtar , 4710-057 Braga , Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB) , University of Trás-os-Montes e Alto Douro , Quinta de Prados , 5000-801 Vila Real , Portugal
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7
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Vhora I, Lalani R, Bhatt P, Patil S, Patel H, Patel V, Misra A. Colloidally Stable Small Unilamellar Stearyl Amine Lipoplexes for Effective BMP-9 Gene Delivery to Stem Cells for Osteogenic Differentiation. AAPS PharmSciTech 2018; 19:3550-3560. [PMID: 30187446 DOI: 10.1208/s12249-018-1161-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 08/22/2018] [Indexed: 11/30/2022] Open
Abstract
The biocompatibility of cationic liposomes has led to their clinical translation in gene delivery and their application apart from cancer to cardiovascular diseases, osteoporosis, metabolic diseases, and more. We have prepared PEGylated stearyl amine (pegSA) lipoplexes meticulously considering the physicochemical properties and formulation parameters to prepare single unilamellar vesicles (SUV) of < 100 nm size which retain their SUV nature upon complexation with pDNA rather than the conventional lipoplexes which show multilamellar nature. The developed PEGylated SA lipoplexes (pegSA lipoplexes) showed a lower N/P ratio (1.5) for BMP-9 gene complexation while maintaining the SUV character with a unique shape (square and triangular lipoplexes). Colloidal and pDNA complexation stability in the presence of electrolytes and serum indicates the suitability for intravenous administration for delivery of lipoplexes to bone marrow mesenchymal stem cells through sinusoidal vessels in bone marrow. Moreover, lower charge density of lipoplexes and low oxidative stress led to lower toxicity of lipoplexes to the C2C12 cells, NIH 3T3 cells, and erythrocytes. Transfection studies showed efficient gene delivery to C2C12 cells inducing osteogenic differentiation through BMP-9 expression as shown by enhanced calcium deposition in vitro, proving the potential of lipoplexes for bone regeneration. In vivo acute toxicity studies further demonstrated safety of the developed lipoplexes. Developed pegSA lipoplexes show potential for further in vivo preclinical evaluation to establish the proof of concept.
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Singh P, Choudhury S, Sharma VK, Mitra S, Mukhopadhyay R, Das R, Pal SK. Modulation of Solvation and Molecular Recognition of a Lipid Bilayer under Dynamical Phase Transition. Chemphyschem 2018; 19:2709-2716. [PMID: 30030893 DOI: 10.1002/cphc.201800522] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Indexed: 11/09/2022]
Abstract
It is well accepted in contemporary biology that an ∼30 Å thick lipid bilayer film around living cells is a matter of life and death as the film typically delimits the environments that serve as a crucial margin. The dynamic organization of lipid molecules both across the lipid bilayer and in the lateral dimension are known to be crucial for cellular transport and molecular recognition by important biological macromolecules. Here, we study dilute (20 mM) Dioctadecyldimethylammonium bromide (DODAB) vesicles at different temperatures in aqueous dispersion with well-defined phases namely liquid crystalline, gel and subgel. The spectroscopic studies on two fluorescent probes 8-anilino-1-naphthalene sulfonic acid ammonium salt (ANS) and Coumarin 500 (C500), former in the head group region of the lipid-water interface and later located deeper in the lipid bilayer follow dynamics (solvation and fluidity) of their local environments in the vesicles. Binding of an anti-tuberculosis drug rifampicin has also been studied employing Förster resonance energy transfer (FRET) technique. The molecular insight concerning the effect of dynamical organization of the lipid molecules on the local dynamics of aqueous environments in different phases leading to molecular recognition becomes evident in our study.
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Affiliation(s)
- Priya Singh
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, SaltLake, Kolkata, 700 106, India
| | - Susobhan Choudhury
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, SaltLake, Kolkata, 700 106, India
| | - V K Sharma
- Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - S Mitra
- Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - R Mukhopadhyay
- Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Ranjan Das
- Department of Chemistry, West Bengal State University, Barasat, Kolkata, 700126
| | - Samir Kumar Pal
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, SaltLake, Kolkata, 700 106, India
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9
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Feast GC, Lepitre T, Tran N, Conn CE, Hutt OE, Mulet X, Drummond CJ, Savage GP. Inverse hexagonal and cubic micellar lyotropic liquid crystalline phase behaviour of novel double chain sugar-based amphiphiles. Colloids Surf B Biointerfaces 2017; 151:34-38. [DOI: 10.1016/j.colsurfb.2016.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/04/2016] [Accepted: 12/06/2016] [Indexed: 12/25/2022]
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10
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Measurement of the bending elastic modulus in unilamellar vesicles membranes by fast field cycling NMR relaxometry. Chem Phys Lipids 2016; 201:21-27. [DOI: 10.1016/j.chemphyslip.2016.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/22/2016] [Accepted: 10/31/2016] [Indexed: 01/01/2023]
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11
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Aramaki K, Watanabe Y, Takahashi J, Tsuji Y, Ogata A, Konno Y. Charge boosting effect of cholesterol on cationic liposomes. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.07.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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12
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Oliveira ACN, Sárria MP, Moreira P, Fernandes J, Castro L, Lopes I, Côrte-Real M, Cavaco-Paulo A, Real Oliveira MECD, Gomes AC. Counter ions and constituents combination affect DODAX : MO nanocarriers toxicity in vitro and in vivo. Toxicol Res (Camb) 2016; 5:1244-1255. [PMID: 30090429 PMCID: PMC6062248 DOI: 10.1039/c6tx00074f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 05/22/2016] [Indexed: 12/31/2022] Open
Abstract
Liposomes have received extensive attention as nanocarriers for bioactive compounds due to their good biocompatibility, possibility of targeting and incorporation of hydrophilic and hydrophobic compounds. Although generally considered as safe, detailed knowledge of the effects induced in cells and tissues with which they interact is still underexplored. The aim of this study is to gain insight into the toxicity profile of dioctadecyldimethylammonium (DODAX) : monoolein(MO) liposomes (X is bromide or chloride), previously validated for gene therapy, by evaluating the effect of the counter ions Br- or Cl-, and of the cationic : neutral lipid molar fraction, both in vitro and in vivo. Effects on cellular metabolism and proliferation, plasma membrane integrity, oxidative stress, mitochondrial membrane potential dysfunction and ability to trigger apoptosis and necrosis were evaluated in a dose-/time-dependent manner in normal human skin fibroblasts. Also, newly fertilized zebrafish zygotes were exposed to liposomes, permitting a fast-track evaluation of the morphophysiological modifications. In vitro data showed that only very high doses of DODAX : MO induce apoptosis and necrosis, inhibit cell proliferation, and affect the metabolism and plasma membrane integrity of fibroblasts in a dose-/time-dependent manner. Furthermore, liposomes affected mitochondrial function, increasing ROS accumulation and disturbing mitochondrial membrane potential. DODAC-based liposomes were consistently more toxic when compared to DODAB-based formulations; furthermore, the inclusion of MO was found to reduce toxicity, in contrast to liposomes with cationic DODAX only, especially in DODAB : MO (1 : 2) nanocarriers. These results were corroborated, in a holistic approach, by cytotoxicity profiling in five additional human cell lines, and also with the zebrafish embryotoxicity testing, which constitutes a sensitive and informative tool and accurately extends cell-based assays.
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Affiliation(s)
- Ana Cristina Norberto Oliveira
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
- CFUM (Center of Physics) , Department of Physics , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Marisa Passos Sárria
- INL - International Iberian Nanotechnology Laboratory , Av. Mestre José Veiga , 4715-330 Braga , Portugal
| | - Pedro Moreira
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
| | - Joana Fernandes
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
| | - Lisandra Castro
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
| | - Ivo Lopes
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
- CFUM (Center of Physics) , Department of Physics , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
- Nanodelivery-I&D em Bionanotecnologia Lda. , Department of Biology , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | - Manuela Côrte-Real
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
| | - Artur Cavaco-Paulo
- CEB , Department of Biological Engineering , University of Minho , Campus of Gualtar , 4710-057 Braga , Portugal
| | | | - Andreia Castro Gomes
- CBMA (Center of Molecular and Environmental Biology) , Department of Biology , University of Minho , Campus of Gualtar , 4710 057 Braga , Portugal . ; ; Tel: +351 253 601 511
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13
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New cationic vesicles prepared with double chain surfactants from arginine: Role of the hydrophobic group on the antimicrobial activity and cytotoxicity. Colloids Surf B Biointerfaces 2016; 141:19-27. [DOI: 10.1016/j.colsurfb.2016.01.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 01/11/2016] [Accepted: 01/12/2016] [Indexed: 11/21/2022]
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Oliveira ACN, Nogueira SS, Gonçalves O, Cerqueira MF, Alpuim P, Tovar J, Rodriguez-Abreu C, Brezesinski G, Gomes AC, Lúcio M, Oliveira MECDR. Role of counter-ion and helper lipid content in the design and properties of nanocarrier systems: a biophysical study in 2D and 3D lipid assemblies. RSC Adv 2016. [DOI: 10.1039/c6ra08125h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This study validates a model for DODAX : MO assemblies highlighting the role of counter-ion and MO content in their biophysical properties.
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Affiliation(s)
- Ana C. N. Oliveira
- CBMA (Centre of Molecular and Environmental Biology)
- Department of Biology
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - Sara S. Nogueira
- CFUM (Centre of Physics)
- Department of Physics
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - Odete Gonçalves
- CBMA (Centre of Molecular and Environmental Biology)
- Department of Biology
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - M. F. Cerqueira
- CFUM (Centre of Physics)
- Department of Physics
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - P. Alpuim
- CFUM (Centre of Physics)
- Department of Physics
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - Júlia Tovar
- CFUM (Centre of Physics)
- Department of Physics
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | | | | | - Andreia C. Gomes
- CBMA (Centre of Molecular and Environmental Biology)
- Department of Biology
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
| | - Marlene Lúcio
- CFUM (Centre of Physics)
- Department of Physics
- University of Minho
- Campus of Gualtar
- 4710-057 Braga
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15
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Oliveira ACN, Raemdonck K, Martens T, Rombouts K, Simón-Vázquez R, Botelho C, Lopes I, Lúcio M, González-Fernández Á, Real Oliveira MECD, Gomes AC, Braeckmans K. Stealth monoolein-based nanocarriers for delivery of siRNA to cancer cells. Acta Biomater 2015. [PMID: 26225736 DOI: 10.1016/j.actbio.2015.07.032] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
While the delivery of small interfering RNAs (siRNAs) is an attractive strategy to treat several clinical conditions, siRNA-nanocarriers' stability after intravenous administration is still a major obstacle for the development of RNA-interference based therapies. But, although the need for stability is well recognized, the notion that strong stabilization can decrease nanocarriers' efficiency is sometimes neglected. In this work we evaluated two stealth functionalization strategies to stabilize the previously validated dioctadecyldimethylammonium bromide (DODAB):monoolein (MO) siRNA-lipoplexes. The nanocarriers were pre- and post-pegylated, forming vectors with different stabilities in biological fluids. The stealth nanocarriers' behavior was tested under biological mimetic conditions, as the production of stable siRNA-lipoplexes is determinant to achieve efficient intravenous siRNA delivery to cancer cells. Upon incubation in human serum for 2h, by fluorescence Single Particle Tracking microscopy, PEG-coated lipoplexes were found to have better colloidal stability as they could maintain a relatively stable size. In addition, using fluorescence fluctuation spectroscopy, post-pegylation also proved to avoid siRNA dissociation from the nanocarriers in human serum. Concomitantly it was found that PEG-coated lipoplexes improved cellular uptake and transfection efficiency in H1299 cells, and had the ability to silence BCR-ABL, affecting the survival of K562 cells. Based on an efficient cellular internalization, good silencing effect, good siRNA retention and good colloidal stability in human serum, DODAB:MO (2:1) siRNA-lipoplexes coated with PEG-Cer are considered promising nanocarriers for further in vivo validation. STATEMENT OF SIGNIFICANCE This work describes two stealth functionalization strategies for the stabilization of the previously validated dioctadecyldimethylammonium bromide (DODAB):monoolein (MO) siRNA-lipoplexes. These nanocarriers are capable of efficiently incorporating and delivering siRNA molecules to cells in order to silence genes whose expression is implicated in a pathological condition. The main objective was to functionalize these nanocarriers with a coating conferring protection to siRNA in blood without compromising its efficient delivery to cancer cells, validating the potential of DODAB:MO (2:1) siRNA-lipoplexes as therapeutic vectors. We show that the stealth strategy is determinant to achieve a stable and efficient nanocarrier, and that DODAB:MO mixtures have a very promising potential for systemic siRNA delivery to leukemic cells.
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Affiliation(s)
- Ana C N Oliveira
- CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; Centre of Physics, Department of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Koen Raemdonck
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
| | - Thomas Martens
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium; Center for Nano- and Biophotonics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
| | - Koen Rombouts
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
| | - Rosana Simón-Vázquez
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Campus Lagoas Marcosende, 36310 Vigo, Pontevedra, Spain
| | - Cláudia Botelho
- Centre of Biological Engineering (CEB), University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Ivo Lopes
- CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; Centre of Physics, Department of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Marlene Lúcio
- Centre of Physics, Department of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - África González-Fernández
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Campus Lagoas Marcosende, 36310 Vigo, Pontevedra, Spain
| | | | - Andreia C Gomes
- CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal.
| | - Kevin Braeckmans
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium; Center for Nano- and Biophotonics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium
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16
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Lopes I, C. N. Oliveira A, P. Sárria M, P. Neves Silva J, Gonçalves O, Gomes AC, Real Oliveira MECD. Monoolein-based nanocarriers for enhanced folate receptor-mediated RNA delivery to cancer cells. J Liposome Res 2015; 26:199-210. [DOI: 10.3109/08982104.2015.1076463] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Ivo Lopes
- Department of Physics, University of Minho, Campus of Gualtar, Braga, Portugal and
- Department of Biology, University of Minho, Braga, Portugal
| | - Ana C. N. Oliveira
- Department of Physics, University of Minho, Campus of Gualtar, Braga, Portugal and
- Department of Biology, University of Minho, Braga, Portugal
| | | | - João P. Neves Silva
- Department of Physics, University of Minho, Campus of Gualtar, Braga, Portugal and
| | - Odete Gonçalves
- Department of Physics, University of Minho, Campus of Gualtar, Braga, Portugal and
- Department of Biology, University of Minho, Braga, Portugal
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17
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Pietralik Z, Kumita JR, Dobson CM, Kozak M. The influence of novel gemini surfactants containing cycloalkyl side-chains on the structural phases of DNA in solution. Colloids Surf B Biointerfaces 2015; 131:83-92. [PMID: 25969417 DOI: 10.1016/j.colsurfb.2015.04.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 04/07/2015] [Accepted: 04/17/2015] [Indexed: 11/16/2022]
Abstract
Very important to gene therapy is the delivery system of the nucleic acids (called a vector), which will enhance the efficiency of the transport of new DNA into cells whilst protecting against damage. A promising alternative to the currently used viral vectors are the systems based on amphiphilic compounds - lipoplexes. Among them, gemini surfactants, which consist of two hydrophobic chains and two cationic heads connected by a linker - spacer group, appear to be promising candidates. The subject of this study involves two gemini surfactants, alkoxy derivatives of bis-imidazolium quaternary salts, differing in the length of their spacer groups and how they interact with two types of salmon sperm DNA (low and high molecular weight (MW)) or plasmid DNA (pDNA). The mixtures of gemini surfactants with nucleic acids of differing p/n ratios (positive-to-negative charge ratio) were characterised by small angle X-ray scattering (SAXS) of synchrotron radiation, dynamic light scattering (DLS), circular dichroism (CD) spectroscopy, atomic force microscopy (AFM), transmission electron microscopy (TEM) and gel electrophoresis techniques. This analysis allows for the selection of the most suitable and promising candidates for non-viral vectors in gene therapy, determination of the conditions needed to form stable complexes, identification of conformational changes in the DNA molecules upon interactions with gemini surfactants and in some cases, determination of the structures formed in these lipoplexes.
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Affiliation(s)
- Zuzanna Pietralik
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
| | - Janet R Kumita
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Christopher M Dobson
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Maciej Kozak
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland.
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