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A Review of Different Types of Liposomes and Their Advancements as a Form of Gene Therapy Treatment for Breast Cancer. Molecules 2023; 28:molecules28031498. [PMID: 36771161 PMCID: PMC9920768 DOI: 10.3390/molecules28031498] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/30/2022] [Accepted: 12/04/2022] [Indexed: 02/09/2023] Open
Abstract
Breast cancer incidence and mortality rates have increased exponentially during the last decade, particularly among female patients. Current therapies, including surgery and chemotherapy, have significant negative physical and mental impacts on patients. As a safer alternative, gene therapy utilising a therapeutic gene with the potential to treat various ailments is being considered. Delivery of the gene generally utilises viral vectors. However, immunological reactions and even mortality have been recorded as side effects. As a result, non-viral vectors, such as liposomes, a system composed of lipid bilayers formed into nanoparticles, are being studied. Liposomes have demonstrated tremendous potential due to their limitless ability to combine many functions into a system with desirable characteristics and functionality. This article discusses cationic, anionic, and neutral liposomes with their stability, cytotoxicity, transfection ability, cellular uptake, and limitation as a gene carrier suitable for gene therapy specifically for cancer. Due to the more practical approach of employing electrostatic contact with the negatively charged nucleic acid and the cell membrane for absorption purposes, cationic liposomes appear to be more suited for formulation for gene delivery and therapy for breast cancer treatment. As the other alternatives have numerous complicated additional modifications, attachments need to be made to achieve a functional gene therapy system for breast cancer treatment, which were also discussed in this review. This review aimed to increase understanding and build a viable breast cancer gene therapy treatment strategy.
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Aniu Lincy S, Allwin Richard Y, Vinitha T, Balamurugan K, Dharuman V. Streptavidin Fe 2O 3-gold nanoparticles functionalized theranostic liposome for antibiotic resistant bacteria and biotin sensing. Biosens Bioelectron 2023; 219:114849. [PMID: 36327565 DOI: 10.1016/j.bios.2022.114849] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 11/19/2022]
Abstract
Novel methods of sensing and treatment required to elicit potent humoral and cellular immune responses. Here, Streptavidin functionalized α-Fe2O3-Au nanoparticles (STV-Mag) loaded cationic carbomate cholesterol is used as a carrier to release antibacterial thymol drug for Staphylococcus aureus (S. aureus) infected Caenorhabditis elegans (C. elegans). Pertaining to theranostic applications, efficient antimicrobial activity, and non-stimulated drug release and biotin dependent S. aureus growth were studied in-vivo. While STV-Mag was tethered on mercaptobenzoic acid (MBA) molecular cushion for label free streptavidin-biotin electrochemical sensing, the STV-Mag-carbomate cholesterol (STV-Mag-cCHOL liposome) vesicle with loaded drug was tethered on MBA for non-stimulant drug release through specific cholesterol-S. aureus interaction and confirmed electrochemically. Selectivity was confirmed using other pathogens, E. coli, Proteus and Enterococcus bacterium through antimicrobial studies along with S. aureus. The biotin sensing showed linear range from 10-15 to 10-3 M, which was not obtained by conventional methods. Fourier-Transform Infra-red (FT-IR), X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) techniques were used to characterize the nanoparticulate system.
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Affiliation(s)
- Sebastinbaskar Aniu Lincy
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi, 630003, Tamilnadu, India
| | - Yesurajan Allwin Richard
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi, 630003, Tamilnadu, India
| | - Thondimuthu Vinitha
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi, 630003, Tamilnadu, India
| | - Krishnaswamy Balamurugan
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi, 630003, Tamilnadu, India
| | - Venkataraman Dharuman
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi, 630003, Tamilnadu, India.
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Biswas S, Yadav N, Juneja P, Mourya AK, Kaur S, Tripathi DM, Chauhan VS. Conformationally Restricted Dipeptide-Based Nanoparticles for Delivery of siRNA in Experimental Liver Cirrhosis. ACS OMEGA 2022; 7:36811-36824. [PMID: 36278038 PMCID: PMC9583317 DOI: 10.1021/acsomega.2c05292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Liver cirrhosis is a major health problem with multiple associated complications. The presently available drug delivery systems showed moderate site-specific delivery of antifibrotic molecules to the diseased liver; therefore, research on more effective and selective delivery systems in the context of liver cirrhosis remains a necessity in clinical investigation. The aim of the present study was to develop a peptide-based targeted nanocarrier to deliver an oligonucleotide to the hepatic sinusoidal and perivascular regions of the cirrhotic liver. We have synthesized and characterized a conformationally restricted targeted pentapeptide (RΔFRGD), which contains an unnatural amino acid, α,β-dehydrophenylalanine (ΔF). The RΔFRGD self-assembled into spherical nanoparticles (NPs) and was characterized by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Next, we investigated the delivery potential of the pentapeptide-based NPs to make a stable complex with a well-established small interference RNA and studied its site-specific delivery in experimental liver cirrhosis. We used siNR4A1 of the orphan nuclear receptor 4A1 (NR4A1), a well-known regulatory checkpoint for controlling liver fibrosis. Peptide NPs and their complex with siNR4A1 showed high biocompatibility against various mammalian cell lines. Hepatic tissue biodistribution analysis illustrated that targeted NPs predominantly accumulated in the cirrhotic liver compared to normal rats, specifically in sinusoidal and perivascular areas. A significant downregulation of the NR4A1 mRNA expression (-70%) andlower levels of the NR4A1/GAPDH ratio (-55%) were observed in the RΔFRGD-siNR4A1 nanocomplex-treated group in comparison to the RΔFRGD-vehicle group (RΔFRGD-Veh) at the gene and protein levels, respectively. In addition, in vivo inhibition of NR4A1 produced a significant aggravation in hepatic fibrosis compared with siRNA-vehicle-treated rats (+41% in the MT stain). The novel pentapeptide-based targeted delivery system can be further evaluated and validated for therapeutic purposes in various pathological conditions.
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Affiliation(s)
- Saikat Biswas
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
| | - Nitin Yadav
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
| | - Pinky Juneja
- Institute
of Liver and Biliary Sciences, New Delhi, Delhi 110070, India
| | | | - Savneet Kaur
- Institute
of Liver and Biliary Sciences, New Delhi, Delhi 110070, India
| | | | - Virander Singh Chauhan
- International
Centre for Genetic Engineering and Biotechnology, New Delhi, Delhi 110067, India
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Ouranidis A, Vavilis T, Mandala E, Davidopoulou C, Stamoula E, Markopoulou CK, Karagianni A, Kachrimanis K. mRNA Therapeutic Modalities Design, Formulation and Manufacturing under Pharma 4.0 Principles. Biomedicines 2021; 10:50. [PMID: 35052730 PMCID: PMC8773365 DOI: 10.3390/biomedicines10010050] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/17/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
In the quest for a formidable weapon against the SARS-CoV-2 pandemic, mRNA therapeutics have stolen the spotlight. mRNA vaccines are a prime example of the benefits of mRNA approaches towards a broad array of clinical entities and druggable targets. Amongst these benefits is the rapid cycle "from design to production" of an mRNA product compared to their peptide counterparts, the mutability of the production line should another target be chosen, the side-stepping of safety issues posed by DNA therapeutics being permanently integrated into the transfected cell's genome and the controlled precision over the translated peptides. Furthermore, mRNA applications are versatile: apart from vaccines it can be used as a replacement therapy, even to create chimeric antigen receptor T-cells or reprogram somatic cells. Still, the sudden global demand for mRNA has highlighted the shortcomings in its industrial production as well as its formulation, efficacy and applicability. Continuous, smart mRNA manufacturing 4.0 technologies have been recently proposed to address such challenges. In this work, we examine the lab and upscaled production of mRNA therapeutics, the mRNA modifications proposed that increase its efficacy and lower its immunogenicity, the vectors available for delivery and the stability considerations concerning long-term storage.
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Affiliation(s)
- Andreas Ouranidis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Theofanis Vavilis
- Laboratory of Biology and Genetics, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Evdokia Mandala
- Fourth Department of Internal Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Christina Davidopoulou
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Eleni Stamoula
- Department of Clinical Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Catherine K Markopoulou
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Anna Karagianni
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Kyriakos Kachrimanis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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5
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Tang M, Hattori Y. Effect of using amino acids in the freeze-drying of siRNA lipoplexes on gene knockdown in cells after reverse transfection. Biomed Rep 2021; 15:72. [PMID: 34405044 DOI: 10.3892/br.2021.1448] [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: 03/23/2021] [Accepted: 06/25/2021] [Indexed: 11/06/2022] Open
Abstract
Recently, small interfering RNA (siRNA)/cationic liposome complexes (siRNA lipoplexes) have become a crucial research tool for studying gene function. Easy and reliable siRNA transfection with a large set of siRNAs is required for the successful screening of gene function. Reverse (Rev)-transfection with freeze-dried siRNA lipoplexes is validated for siRNA transfection with a large set of siRNAs in a multi-well plate. In our previous study, it was shown that Rev-transfection with siRNA lipoplexes freeze-dried in disaccharides or trisaccharides resulted in long-term stability with a high level of gene-knockdown activity. In the present study, the effects of amino acids used as cryoprotectants in the freeze-drying of siRNA lipoplexes on gene knockdown via Rev-transfection were assessed. A total of 15 types of amino acids were used to prepare freeze-dried siRNA lipoplexes, and it was found that the freeze-drying of siRNA lipoplexes with amino acid concentrations >100 mM strongly suppressed targeted gene expression regardless of the amino acid type; however, some amino acids strongly upregulated or downregulated gene expression in the cells transfected with negative control siRNA. Amongst the amino acids tested, the presence of asparagine showed specific gene-knockdown activity, forming large cakes after freeze-drying and retaining a favorable siRNA lipoplex size after rehydration. These findings provide valuable information regarding amino acids as cryoprotectants for Rev-transfection using freeze-dried siRNA lipoplexes for the efficient delivery of siRNA into cells.
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Affiliation(s)
- Min Tang
- Department of Molecular Pharmaceutics, Hoshi University, Tokyo 142-8501, Japan
| | - Yoshiyuki Hattori
- Department of Molecular Pharmaceutics, Hoshi University, Tokyo 142-8501, Japan
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Damase TR, Sukhovershin R, Boada C, Taraballi F, Pettigrew RI, Cooke JP. The Limitless Future of RNA Therapeutics. Front Bioeng Biotechnol 2021; 9:628137. [PMID: 33816449 PMCID: PMC8012680 DOI: 10.3389/fbioe.2021.628137] [Citation(s) in RCA: 292] [Impact Index Per Article: 97.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/15/2021] [Indexed: 12/19/2022] Open
Abstract
Recent advances in the generation, purification and cellular delivery of RNA have enabled development of RNA-based therapeutics for a broad array of applications. RNA therapeutics comprise a rapidly expanding category of drugs that will change the standard of care for many diseases and actualize personalized medicine. These drugs are cost effective, relatively simple to manufacture, and can target previously undruggable pathways. It is a disruptive therapeutic technology, as small biotech startups, as well as academic groups, can rapidly develop new and personalized RNA constructs. In this review we discuss general concepts of different classes of RNA-based therapeutics, including antisense oligonucleotides, aptamers, small interfering RNAs, microRNAs, and messenger RNA. Furthermore, we provide an overview of the RNA-based therapies that are currently being evaluated in clinical trials or have already received regulatory approval. The challenges and advantages associated with use of RNA-based drugs are also discussed along with various approaches for RNA delivery. In addition, we introduce a new concept of hospital-based RNA therapeutics and share our experience with establishing such a platform at Houston Methodist Hospital.
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Affiliation(s)
- Tulsi Ram Damase
- RNA Therapeutics Program, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Roman Sukhovershin
- RNA Therapeutics Program, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Christian Boada
- Colleges of Medicine, Engineering, Texas A&M University and Houston Methodist Hospital, Houston, TX, United States
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, United States
- Department of Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, TX, United States
| | - Roderic I. Pettigrew
- Colleges of Medicine, Engineering, Texas A&M University and Houston Methodist Hospital, Houston, TX, United States
| | - John P. Cooke
- RNA Therapeutics Program, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
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Fumoto S, Nishida K. Co-delivery Systems of Multiple Drugs Using Nanotechnology for Future Cancer Therapy. Chem Pharm Bull (Tokyo) 2021; 68:603-612. [PMID: 32611997 DOI: 10.1248/cpb.c20-00008] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Cancer treatments have improved significantly during the last decade but are not yet satisfactory. Combination therapy is often administered to improve efficacy and safety. Drug delivery systems can also improve efficacy and safety. To control the spatiotemporal distribution of drugs, nanotechnology involving liposomes, solid lipid nanoparticles, and polymeric micelles has been developed. Co-delivery systems of multiple drugs are a promising approach to combat cancer. Synergistic effects and reduced side effects are expected from the use of co-delivery systems. In this review, we summarize various co-delivery systems for multiple drugs, including small-molecule drugs, nucleic acids, genes, and proteins. Co-delivery of drugs with different properties is relatively difficult, but some researchers have succeeded in developing such co-delivery systems. Environment-responsive carrier designs can control the release of cargos. Although their preparation is more complicated than that of mono-delivery systems, co-delivery systems can simplify clinical procedures and improve patient QOL.
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Affiliation(s)
| | - Koyo Nishida
- Graduate School of Biomedical Sciences, Nagasaki University
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8
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Tang M, Hu S, Hattori Y. Effect of pre‑freezing and saccharide types in freeze‑drying of siRNA lipoplexes on gene‑silencing effects in the cells by reverse transfection. Mol Med Rep 2020; 22:3233-3244. [PMID: 32945442 PMCID: PMC7453497 DOI: 10.3892/mmr.2020.11419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 07/02/2020] [Indexed: 11/15/2022] Open
Abstract
Our previous study reported that reverse (Rev)-transfection with small interfering RNA (siRNA)/cationic liposome complexes (siRNA lipoplexes) freeze-dried in trehalose or sucrose solution resulted in high gene-silencing activity in cells. The current study investigated whether pre-freezing or saccharide types present during the freeze-drying of siRNA lipoplexes affected gene-silencing in cells after Rev-transfection. Three types of cationic cholesterol derivatives and three types of dialkyl or trialkyl cationic lipids were used for the preparation of cationic liposomes. Additionally, six types of siRNA lipoplexes were vacuum-dried in trehalose or sucrose solution without a pre-freezing process in multi-well plates. A strong gene-silencing activity after Rev-transfection was observed regardless of the cationic lipid types in the cationic liposomes. It was also investigated whether saccharide types in the freeze-drying of siRNA lipoplexes affected gene-silencing after Rev-transfection. siRNA lipoplexes freeze-dried in monosaccharides (glucose, fructose, galactose or mannose), disaccharides (maltose, lactose, lactulose or cellobiose) and trisaccharide solution (raffinose or melezitose) demonstrated high gene-silencing activity. However, following Rev-transfection with siRNA lipoplexes freeze-dried in monosaccharides or trisaccharides, certain saccharides induced cytotoxicity and/or off-target effects. The results of the current study indicated that disaccharides may be suitable for the preparation of vacuum-dried or freeze-dried siRNA lipoplexes for Rev-transfection.
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Affiliation(s)
- Min Tang
- Department of Molecular Pharmaceutics, Hoshi University, Shinagawa, Tokyo 142‑8501, Japan
| | - Subin Hu
- Department of Molecular Pharmaceutics, Hoshi University, Shinagawa, Tokyo 142‑8501, Japan
| | - Yoshiyuki Hattori
- Department of Molecular Pharmaceutics, Hoshi University, Shinagawa, Tokyo 142‑8501, Japan
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9
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Hattori Y, Tamaki K, Sakasai S, Ozaki KI, Onishi H. Effects of PEG anchors in PEGylated siRNA lipoplexes on in vitro gene‑silencing effects and siRNA biodistribution in mice. Mol Med Rep 2020; 22:4183-4196. [PMID: 33000194 PMCID: PMC7533518 DOI: 10.3892/mmr.2020.11525] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/03/2020] [Indexed: 12/13/2022] Open
Abstract
Polyethylene glycol (PEG)‑modifications (PEGylations) of cationic liposome/small interfering RNA complexes (siRNA lipoplexes) can enhance their systemic stability. The present study determined the effects of PEG anchors in PEGylated siRNA lipoplexes on in vitro gene‑silencing effects and siRNA biodistribution after intravenous injection. Three types of dialkyl or trialkyl cationic lipids were used in the current study for the preparation of cationic liposomes. Additionally, various PEGylated siRNA lipoplexes that contained PEG‑1,2‑distearoyl‑sn‑-glycero‑-3‑phosphoethanolamine (DSPE), PEG‑1,2‑distearoyl‑rac‑glycero‑3‑-methylpolyoxyethylene (DSG), PEG‑cholesterol (PEG‑Chol) and PEG‑chondroitin sulfate conjugate (PEG‑CS) were prepared. The results revealed that PEGylation of siRNA lipoplexes with PEG‑DSPE strongly decreased gene‑silencing effects in cells. In contrast, those with PEG‑DSG, PEG‑Chol and PEG‑CS did not largely decrease gene-silencing effects. However, regardless of the PEG‑derivative type, PEGylation of siRNA lipoplexes decreased their agglutination with erythrocytes. Furthermore, intravenous injection of PEGylated siRNA lipoplexes markedly decreased the accumulation of siRNA in the lungs, regardless of the type of PEG‑derivative. However, non‑PEGylated siRNA lipoplexes accumulated mainly in the lungs regardless of the siRNA lipoplex cationic lipid type. The results indicated that PEGylation of siRNA lipoplexes with PEG‑DSG, PEG‑Chol and PEG‑CS may improve systemic stability without losing transfection activity by PEGylation.
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Affiliation(s)
- Yoshiyuki Hattori
- Department of Molecular Pharmaceutics, Hoshi University, Tokyo 142‑8501, Japan
| | - Kyoko Tamaki
- Department of Drug Delivery Research, Hoshi University, Tokyo 142‑8501, Japan
| | - Sho Sakasai
- Department of Molecular Pharmaceutics, Hoshi University, Tokyo 142‑8501, Japan
| | - Kei-Ichi Ozaki
- Department of Molecular Pathology, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto 610‑0395, Japan
| | - Hiraku Onishi
- Department of Drug Delivery Research, Hoshi University, Tokyo 142‑8501, Japan
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Zhang Z, Wen K, Zhang C, Laroche F, Wang Z, Zhou Q, Liu Z, Abrahams JP, Zhou X. Extracellular Nanovesicle Enhanced Gene Transfection Using Polyethyleneimine in HEK293T Cells and Zebrafish Embryos. Front Bioeng Biotechnol 2020; 8:448. [PMID: 32596214 PMCID: PMC7300290 DOI: 10.3389/fbioe.2020.00448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 04/17/2020] [Indexed: 01/24/2023] Open
Abstract
It is a hot topic to improve efficiency and decrease toxicity of gene transfection reagents. The extracellular nanovesicles (EVs) that are released by cells play an important role in intercellular communication and are naturally designed for genetic exchange between cells. Here, we show that the EVs have a large beneficial effect in polyethyleneimine (PEI)-mediated transfection of a GFP-encoding plasmid into HEK293T cells. An improvement of transfection efficiency of ~500% and a decrease in toxicity were observed in a specific concentration range of PEI. The EVs also greatly improved the transfection of the same plasmid into zebrafish embryos. To verify the generality of this gene transfection approach, we also tested the cell viability and gene transfection efficiency using two other plasmids (EpTEN and ELuc) and in another cell line (A549). The measured increase in transfection efficiency makes EV a promising candidate for enhancement of the quality of current PEI-based transfection technique.
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Affiliation(s)
- Zhenzhen Zhang
- Department of Science, China Pharmaceutical University, Nanjing, China
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Kai Wen
- Department of Science, China Pharmaceutical University, Nanjing, China
| | - Chao Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Fabrice Laroche
- Centre for Carbohydrate Recognition and Signalling, Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Zhenglong Wang
- Department of Science, China Pharmaceutical University, Nanjing, China
| | - Qiang Zhou
- Department of Orthopaedics, Tianjin First Central Hospital, Nankai University, Tianjin, China
| | - Zunfeng Liu
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, College of Pharmacy, Nankai University, Tianjin, China
| | | | - Xiang Zhou
- Department of Science, China Pharmaceutical University, Nanjing, China
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, College of Pharmacy, Nankai University, Tianjin, China
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11
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Hattori Y, Hu S, Onishi H. Effects of cationic lipids in cationic liposomes and disaccharides in the freeze-drying of siRNA lipoplexes on gene silencing in cells by reverse transfection. J Liposome Res 2019; 30:235-245. [DOI: 10.1080/08982104.2019.1630643] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Yoshiyuki Hattori
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
| | - Subin Hu
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
| | - Hiraku Onishi
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
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12
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Effect of Cationic Lipid Type in Folate-PEG-Modified Cationic Liposomes on Folate Receptor-Mediated siRNA Transfection in Tumor Cells. Pharmaceutics 2019; 11:pharmaceutics11040181. [PMID: 30991703 PMCID: PMC6523911 DOI: 10.3390/pharmaceutics11040181] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 04/06/2019] [Accepted: 04/12/2019] [Indexed: 12/04/2022] Open
Abstract
In this study, we examined the effect of cationic lipid type in folate (FA)-polyethylene glycol (PEG)-modified cationic liposomes on gene-silencing effects in tumor cells using cationic liposomes/siRNA complexes (siRNA lipoplexes). We used three types of cationic cholesterol derivatives, cholesteryl (3-((2-hydroxyethyl)amino)propyl)carbamate hydroiodide (HAPC-Chol), N-(2-(2-hydroxyethylamino)ethyl)cholesteryl-3-carboxamide (OH-Chol), and cholesteryl (2-((2-hydroxyethyl)amino)ethyl)carbamate (OH-C-Chol), and we prepared three types of FA-PEG-modified siRNA lipoplexes. The modification of cationic liposomes with 1–2 mol % PEG-lipid abolished the gene-silencing effect in human nasopharyngeal tumor KB cells, which overexpress the FA receptor (FR). In contrast, FA-PEG-modification of cationic liposomes restored gene-silencing activity regardless of the cationic lipid type in cationic liposomes. However, the optimal amount of PEG-lipid and FA-PEG-lipid in cationic liposomes for selective gene silencing and cellular uptake were different among the three types of cationic liposomes. Furthermore, in vitro transfection of polo-like kinase 1 (PLK1) siRNA by FA-PEG-modified liposomes exhibited strong cytotoxicity in KB cells, compared with PEG-modified liposomes; however, in in vivo therapy, intratumoral injection of PEG-modified PLK1 siRNA lipoplexes inhibited tumor growth of KB xenografts, as well as that of FA-PEG-modified PLK1 siRNA lipoplexes. From these results, the optimal formulation of PEG- and FA-PEG-modified liposomes for FR-selective gene silencing might be different between in vitro and in vivo transfection.
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Chandela A, Ueno Y. Systemic Delivery of Small Interfering RNA Therapeutics: Obstacles and Advances. ACTA ACUST UNITED AC 2019. [DOI: 10.7831/ras.7.10] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Akash Chandela
- United Graduate School of Agricultural Science, Gifu University
| | - Yoshihito Ueno
- United Graduate School of Agricultural Science, Gifu University
- Course of Applied Life Science, Faculty of Applied Biological Sciences, Gifu University
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14
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Effect of cationic lipid type in cationic liposomes for siRNA delivery into the liver by sequential injection of chondroitin sulfate and cationic lipoplex. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.09.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Hattori Y, Nakamura M, Takeuchi N, Tamaki K, Shimizu S, Yoshiike Y, Taguchi M, Ohno H, Ozaki KI, Onishi H. Effect of cationic lipid in cationic liposomes on siRNA delivery into the lung by intravenous injection of cationic lipoplex. J Drug Target 2018; 27:217-227. [PMID: 30024300 DOI: 10.1080/1061186x.2018.1502775] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cationic liposomes composed of dialkyl cationic lipid such as 1,2-dioleoyl-3-trimethylammonium-propane (DOTAP) can efficiently deliver siRNA to the lungs following the intravenous injection of cationic liposome/siRNA complexes (lipoplexes). In this study, we examined the effect of cationic lipid of cationic liposomes on siRNA delivery to the lungs after intravenous injection. We used six kinds of cationic cholesterol derivatives and 11 kinds of dialkyl or trialkyl cationic lipids as cationic lipids, and prepared 17 kinds of cationic liposomes composed of a cationic lipid and 1,2-dioleoyl-L-α-glycero-3-phosphatidylethanolamine (DOPE) for evaluation of siRNA biodistribution and in vivo gene silencing effects. Among cationic liposomes, those composed of N-hexadecyl-N,N-dimethylhexadecan-1-aminium bromide (DC-1-16), N,N-dimethyl-N-octadecyloctadecan-1-aminium bromide (DC-1-18), 2-((1,5-bis(octadecyloxy)-1,5-dioxopentan-2-yl)amino)-N,N,N-trimethyl-2-oxoethan-1-aminium chloride (DC-3-18D), 11-((1,3-bis(dodecanoyloxy)-2-((dodecanoyloxy)methyl)propan-2-yl)amino)-N,N,N-trimethyl-11-oxoundecan-1-aminium bromide (TC-1-12), or cholesteryl (3-((2-hydroxyethyl)amino)propyl)carbamate hydroiodide (HAPC-Chol) with DOPE exhibited high accumulation of siRNA in the lung and significant suppression of Tie2 mRNA expression after the intravenous injection of cationic lipoplexes with Tie2 siRNA. Furthermore, DC-1-16/DOPE and DC-1-18/DOPE lipoplexes with protein kinase N3 (PKN3) siRNA could suppress the tumour growth when intravenously injected into mice with lung LLC metastasis. These findings indicate that the siRNA biodistribution and in vivo knockdown efficiency after the intravenous injection of cationic lipoplexes were strongly affected by the type of cationic lipid of cationic liposomes.
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Affiliation(s)
- Yoshiyuki Hattori
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Mari Nakamura
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Nozomi Takeuchi
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Kyoko Tamaki
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Satono Shimizu
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Yuki Yoshiike
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
| | - Masamitsu Taguchi
- b Graduate School of Pharmaceutical Sciences , Kyoto University , Kyoto , Japan
| | - Hiroaki Ohno
- b Graduate School of Pharmaceutical Sciences , Kyoto University , Kyoto , Japan
| | - Kei-Ichi Ozaki
- c Education and Research Center for Pharmaceutical Sciences, Osaka University of Pharmaceutical Sciences , Takatsuki , Japan
| | - Hiraku Onishi
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan
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Self-Amplifying Replicon RNA Delivery to Dendritic Cells by Cationic Lipids. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 12:118-134. [PMID: 30195751 PMCID: PMC6023837 DOI: 10.1016/j.omtn.2018.04.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 04/29/2018] [Accepted: 04/29/2018] [Indexed: 01/09/2023]
Abstract
Advances in RNA technology during the past two decades have led to the construction of replication-competent RNA, termed replicons, RepRNA, or self-amplifying mRNA, with high potential for vaccine applications. Cytosolic delivery is essential for their translation and self-replication, without infectious progeny generation, providing high levels of antigen expression for inducing humoral and cellular immunity. Synthetic nanoparticle-based delivery vehicles can both protect the RNA molecules and facilitate targeting of dendritic cells—critical for immune defense development. Several cationic lipids were assessed, with RepRNA generated from classical swine fever virus encoding nucleoprotein genes of influenza A virus. The non-cytopathogenic nature of the RNA allowed targeting to dendritic cells without destroying the cells—important for prolonged antigen production and presentation. Certain lipids were more effective at delivery and at promoting translation of RepRNA than others. Selection of particular lipids provided delivery to dendritic cells that resulted in translation, demonstrating that delivery efficiency could not guarantee translation. The observed translation in vitro was reproduced in vivo by inducing immune responses against the encoded influenza virus antigens. Cationic lipid-mediated delivery shows potential for promoting RepRNA vaccine delivery to dendritic cells, particularly when combined with additional delivery elements.
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Seok HY, Sanoj Rejinold N, Lekshmi KM, Cherukula K, Park IK, Kim YC. CD44 targeting biocompatible and biodegradable hyaluronic acid cross-linked zein nanogels for curcumin delivery to cancer cells: In vitro and in vivo evaluation. J Control Release 2018; 280:20-30. [PMID: 29723613 DOI: 10.1016/j.jconrel.2018.04.050] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 04/24/2018] [Accepted: 04/29/2018] [Indexed: 12/26/2022]
Abstract
In this study, we developed novel hyaluronic acid cross-linked zein nanogels (HA-Zein NGs) to deliver the potential anticancer agent curcumin (CRC), a naturally occurring phytochemical drug in cancer cells. In vitro studies showed that they are highly compatible with the tested cell lines. They showed CD44 specific uptake in CT26 cell line more than by the CD44 receptor pre-inhibited CT26 cells. The CRC encapsulated HA-Zein NGs (HA-Zein-CRC NGs) found to exert a specific toxicity against CT26 sparing healthy normal fibroblast cells in vitro. The apoptotic effects were further confirmed with flow cytometry showing that the HA-Zein-CRC NGs exhibited high anticancer activity against the CT26 cells. The in vivo bio-distribution with a CT26 tumor model showed their high tumor accumulation thereby improved antitumor efficacy with a low dosage of CRC, compared to the previous reports. Thus, the preclinical studies clearly showed that these novel HA-Zein NGs would be highly beneficial in encapsulating hydrophobic drugs with improved pharmacokinetics thereby enhancing the therapeutic outcomes.
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Affiliation(s)
- Hae-Yong Seok
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - N Sanoj Rejinold
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Kamali Manickavasagam Lekshmi
- Department of Biomedical Science and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Kondareddy Cherukula
- Department of Biomedical Science and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - In-Kyu Park
- Department of Biomedical Science and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Yeu-Chun Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
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Zhi D, Bai Y, Yang J, Cui S, Zhao Y, Chen H, Zhang S. A review on cationic lipids with different linkers for gene delivery. Adv Colloid Interface Sci 2018; 253:117-140. [PMID: 29454463 DOI: 10.1016/j.cis.2017.12.006] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 12/19/2017] [Accepted: 12/19/2017] [Indexed: 01/05/2023]
Abstract
Cationic lipids have become known as one of the most versatile tools for the delivery of DNA, RNA and many other therapeutic molecules, and are especially attractive because they can be easily designed, synthesized and characterized. Most of cationic lipids share the common structure of cationic head groups and hydrophobic portions with linker bonds between both domains. The linker bond is an important determinant of the chemical stability and biodegradability of cationic lipid, and further governs its transfection efficiency and cytotoxicity. Based on the structures of linker bonds, they can be grouped into many types, such as ether, ester, amide, carbamate, disulfide, urea, acylhydrazone, phosphate, and other unusual types (carnitine, vinyl ether, ketal, glutamic acid, aspartic acid, malonic acid diamide and dihydroxybenzene). This review summarizes some research results concerning the nature (such as the structure and orientation of linker groups) and density (such as the spacing and the number of linker groups) of linker bond for improving the chemical stability, biodegradability, transfection efficiency and cytotoxicity of cationic lipid to overcome the critical barriers of in vitro and in vivo transfection.
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Do H, Sharma M, El-Sayed NS, Mahdipoor P, Bousoik E, Parang K, Montazeri Aliabadi H. Difatty Acyl-Conjugated Linear and Cyclic Peptides for siRNA Delivery. ACS OMEGA 2017; 2:6939-6957. [PMID: 30023535 PMCID: PMC6044792 DOI: 10.1021/acsomega.7b00741] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 10/05/2017] [Indexed: 05/09/2023]
Abstract
A number of amphiphilic difatty acyl linear and cyclic R5K2 peptide conjugates were synthesized by solid-phase peptide methods to enhance the interaction with the hydrophobic cellular phospholipid bilayer and to improve siRNA delivery and silencing. Binding to siRNA molecules was significantly less for the cyclic peptide conjugates. A gradual decrease was observed in the particle size of the complexes with increasing peptide/siRNA ratio for most of the synthesized peptides, suggesting the complex formation. Most of the complexes showed a particle size of less than 200 nm, which is considered an appropriate size for in vitro siRNA delivery. A number of fatty acyl-conjugated peptides, such as LP-C16 and LP-C18, displayed near complete protection against serum degradation. Flow cytometry studies demonstrated significantly higher internalization of fluorescence-labeled siRNA (FAM-siRNA) in the presence of LP-C16, LP-C18, and CP-C16 with 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) addition. Confocal microscopy confirmed the cellular internalization of fluorescence-labeled siRNA in the presence of LP-C16 and LP-C18 with DOPE when compared with cells exposed to DOPE/FAM-siRNA. While C16- and C18-conjugated peptides (especially linear peptides) showed silencing against kinesin spindle protein (KSP) and janus kinase 2 (JAK2) proteins, the addition of DOPE enhanced the silencing efficiency significantly for all selected peptides, except for CP-C16. In conclusion, C16 and C18 difatty acyl peptide conjugates were found to enhance siRNA delivery and generate silencing of targeted proteins in the presence of DOPE. This study provides insights for the design and potential application of optimized difatty acyl peptide/lipid nanoparticles for effective siRNA delivery.
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Kundu AK, Iyer SV, Chandra S, Adhikari AS, Iwakuma T, Mandal TK. Novel siRNA formulation to effectively knockdown mutant p53 in osteosarcoma. PLoS One 2017. [PMID: 28636657 PMCID: PMC5479560 DOI: 10.1371/journal.pone.0179168] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objectives The tumor suppressor p53 plays a crucial role in the development of osteosarcoma. The primary objective of this study is to develop and optimize lipid based nanoparticle formulations that can carry siRNA and effectively silence mutant p53 in 318–1, a murine osteosarcoma cell line. Methods The nanoparticles were composed of a mixture of two lipids (cholesterol and DOTAP) and either PLGA or PLGA-PEG and prepared by using an EmulsiFlex-B3 high pressure homogenizer. A series of studies that include using different nanoparticles, different amount of siRNAs, cell numbers, incubation time, transfection media volume, and storage temperature was performed to optimize the gene silencing efficiency. Key findings Replacement of lipids by PLGA or PLGA-PEG decreased the particle size and overall cytotoxicity. Among all lipid-polymer nanoformulations, nanoparticles with 10% PLGA showed highest mutant p53 knockdown efficiency while maintaining higher cell viability when a nanoparticle to siRNA ratio equal to 6.8:0.66 and 75 nM siRNA was used. With long term storage the mutant p53 knockdown efficiency decreased to a greater extent. Conclusions This study warrants a future evaluation of this formulation for gene silencing efficiency of mutant p53 in tissue culture and animal models for the treatment of osteosarcoma.
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Affiliation(s)
- Anup K. Kundu
- Center for Nanomedicine and Drug Delivery, Xavier University College of Pharmacy, New Orleans, Louisiana, United States of America
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
- * E-mail:
| | - Swathi V. Iyer
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Sruti Chandra
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Amit S. Adhikari
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Tomoo Iwakuma
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Tarun K. Mandal
- Center for Nanomedicine and Drug Delivery, Xavier University College of Pharmacy, New Orleans, Louisiana, United States of America
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Hattori Y, Machida Y, Honda M, Takeuchi N, Yoshiike Y, Ohno H, Onishi H. Small interfering RNA delivery into the liver by cationic cholesterol derivative-based liposomes. J Liposome Res 2016; 27:264-273. [PMID: 27345333 DOI: 10.1080/08982104.2016.1205599] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE Previously, we reported that the cationic liposomes composed of a cationic cholesterol derivative, cholesteryl (2-((2-hydroxyethyl)amino)ethyl)carbamate (OH-C-Chol) and 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) (termed LP-C), could deliver small interfering RNAs (siRNAs) with high transfection efficiency into tumor cells. In this study, to develop a liposomal vector for siRNA delivery in vivo, we prepared the poly(ethyleneglycol) (PEG)-modified cationic liposomes (LP-C-PEG) and evaluated their transfection efficiency in vitro and in vivo. MATERIALS AND METHODS We prepared LP-C-PEG/siRNA complexes (LP-C-PEG lipoplexes) formed in water or 50 mM NaCl solution, and evaluated their siRNA biodistribution and gene silencing effect in mice after intravenous injection. RESULTS LP-C-PEG lipoplexes strongly exhibited in vitro gene silencing effects in human breast tumor MCF-7 cells as well as LP-C lipoplexes. In particular, formation of LP-C and LP-C-PEG lipoplexes in the NaCl solution increased the cellular association. When LP-C-PEG lipoplexes with Cy5.5-labeled siRNA formed in water or NaCl solution were injected into mice, accumulation of the siRNA was observed in the liver. Furthermore, injection of LP-C-PEG lipoplexes with ApoB siRNA could suppress ApoB mRNA levels in the liver and reduce very-low-density lipoprotein/low-density lipoprotein levels in serum compared with that after Cont siRNA transfection, although the presence of NaCl solution in forming the lipoplexes did not affect gene silencing effects in vivo. CONCLUSIONS LP-C-PEG may have potential as a gene vector for siRNA delivery to the liver.
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Affiliation(s)
- Yoshiyuki Hattori
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan and
| | - Yoko Machida
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan and
| | - Maho Honda
- b Graduate School of Pharmaceutical Sciences, Kyoto University , Kyoto , Japan
| | - Nozomi Takeuchi
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan and
| | - Yuki Yoshiike
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan and
| | - Hiroaki Ohno
- b Graduate School of Pharmaceutical Sciences, Kyoto University , Kyoto , Japan
| | - Hiraku Onishi
- a Department of Drug Delivery Research , Hoshi University , Tokyo , Japan and
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Misra SK, Moitra P, Kondaiah P, Bhattacharya S. Co-liposomes having anisamide tagged lipid and cholesteryl tryptophan trigger enhanced gene transfection in sigma receptor positive cells. Colloids Surf B Biointerfaces 2016; 142:130-140. [DOI: 10.1016/j.colsurfb.2016.02.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 01/24/2016] [Accepted: 02/22/2016] [Indexed: 01/19/2023]
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