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Zaafar D, Khalil HMA, Elkhouly GE, Sedeky AS, Ahmed YH, Khalil MG, Abo-Zeid Y. Preparation and characterization of Sorafenib nano-emulsion: impact on pharmacokinetics and toxicity; an in vitro and in vivo study. Drug Deliv Transl Res 2024; 14:3089-3111. [PMID: 38430357 PMCID: PMC11445346 DOI: 10.1007/s13346-024-01530-z] [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] [Accepted: 01/20/2024] [Indexed: 03/03/2024]
Abstract
Hepatocellular carcinoma (HCC) ranks as the third leading cause of cancer-related deaths worldwide. Current treatment strategies include surgical resection, liver transplantation, liver-directed therapy, and systemic therapy. Sorafenib (Sor) is the first systemic drug authorized by the US Food and Drug Administration (FDA) for HCC treatment. Nevertheless, the conventional oral administration of Sor presents several limitations: poor solubility, low bioavailability, drug resistance development, and off-target tissue accumulation, leading to numerous adverse effects. Nano-emulsion, a nano-delivery system, is a viable carrier for poorly water-soluble drugs. It aims to enhance drug bioavailability, target organ accumulation, and reduce off-target tissue exposure, thus improving therapeutic outcomes while minimizing side effects. This study formulated Sor nano-emulsion (Sor NanoEm) using the homogenization technique. The resultant nano-emulsion was characterized by particle size (121.75 ± 12 nm), polydispersity index (PDI; 0.310), zeta potential (-12.33 ± 1.34 mV), viscosity (34,776 ± 3276 CPs), and pH (4.38 ± 0.3). Transmission Electron Microscopy exhibited spherical nano-droplets with no aggregation signs indicating stability. Furthermore, the encapsulation of Sor within the nano-emulsion sustained its release, potentially reducing the frequency of therapeutic doses. Cytotoxicity assessments on the HepG2 cell line revealed that Sor NanoEm had a significantly (P < 0.05) more potent cytotoxic effect compared to Sor suspension. Subsequent tests highlighted superior pharmacokinetic parameters and reduced dosage requirements of Sor NanoEm in mice. It exhibited an enhanced safety profile, particularly in behavior, brain, and liver, compared to its suspended form. These findings underscore the enhanced pharmacological and toxicological attributes of Sor Nano-emulsion, suggesting its potential utility in HCC treatment.
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Affiliation(s)
- Dalia Zaafar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Modern University for Technology and Information, Cairo, Egypt.
| | - Heba M A Khalil
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Gehad E Elkhouly
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo, 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo, 11792, Egypt
| | - Abanoub Selim Sedeky
- Department of Microsystems Engineering (IMTEK), University of Freiburg, Freiburg im Breisgau, Germany
- Nanomedicine Lab, Center of Materials Science (CMS), Zewail City of Science and Technology, 6Th of October, 12578, Giza, Egypt
| | - Yasmine H Ahmed
- Department of Cytology and Histology, Veterinary Medicine Faculty, Cairo University, Giza, 12211, Egypt
| | - Mona G Khalil
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Modern University for Technology and Information, Cairo, Egypt
| | - Yasmin Abo-Zeid
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo, 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo, 11792, Egypt
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Ismail A, Raya NR, Orabi A, Ali AM, Abo-zeid Y. Investigating the Antibacterial Activity and Safety of Zinc Oxide Nanoparticles versus a Commercial Alcohol-Based Hand-Sanitizer: Can Zinc Oxide Nanoparticles Be Useful for Hand Sanitation? Antibiotics (Basel) 2022; 11:antibiotics11111606. [PMID: 36421249 PMCID: PMC9686634 DOI: 10.3390/antibiotics11111606] [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: 10/08/2022] [Revised: 11/04/2022] [Accepted: 11/05/2022] [Indexed: 11/16/2022] Open
Abstract
Hand hygiene is the key factor to control and prevent the spread of infections, for example, hospital-acquired infections (HAIs). People commonly use alcohol-based hand sanitizers to assure hand hygiene. However, frequent use of alcohol-based hand sanitizers in a pandemic situation (e.g., COVID-19) was associated with serious drawbacks such as skin toxicity including irritation, skin dermatitis, and skin dryness or cracking, along with peeling, redness, or itching with higher possibility of infection. This demands the development of alternative novel products that are effective as alcohol-based hand sanitizers but have no hazardous effects. Zinc oxide nanoparticles (ZnO-NPs) are known to have broad-spectrum antimicrobial activity, be compatible with the biological system and the environment, and have applicable and economic industrial-scale production. Thus, ZnO-NPs might be a good candidate for hand sanitation. To the best of our knowledge, the antibacterial activity of ZnO-NPs in comparison to alcohol-based hand sanitizers has not yet been studied. In the present work, a comparative study of the antibacterial activity of ZnO-NPs vs. Sterillium, a commercial alcohol-based hand sanitizer that is commonly used in Egyptian hospitals, was performed against common microorganisms known to cause HAIs in Egypt, including Acinetobacter baumannii, Klebsiella pneumoniae, Methicillin-resistant Staphylococcus aureus (MRSA), and Staphylococcus aureus. The safety profiles of ZnO-NPs and Sterillium were also assessed. The obtained results demonstrated the superior antibacterial activity and safety of ZnO-NPs compared to Sterillium. Therefore, ZnO-NPs could be a promising candidate for hand sanitation in comparison to alcohol-based hand sanitizers; however, several studies related to long-term toxicity and stability of ZnO-NPs and investigations into their antimicrobial activity and safety in healthcare settings are still required in the future to ascertain their antimicrobial activity and safety.
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Affiliation(s)
- Aliaa Ismail
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
| | - Nermeen R. Raya
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo 11792, Egypt
| | - Ahmed Orabi
- Microbiology Department, Faculty of Veterinary Medicine, Cairo University, Giza 11221, Egypt
| | - Alaa M. Ali
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 11221, Egypt
| | - Yasmin Abo-zeid
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo 11792, Egypt
- Correspondence: ; Tel.: +20-1092792846
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3
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Ali AM, Hill HJ, Elkhouly GE, Bakkar MR, Raya NR, Stamataki Z, Abo-Zeid Y. Rhamnolipid Nano-Micelles Inhibit SARS-CoV-2 Infection and Have No Dermal or Eye Toxic Effects in Rabbits. Antibiotics (Basel) 2022; 11:1556. [PMID: 36358211 PMCID: PMC9686650 DOI: 10.3390/antibiotics11111556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/26/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022] Open
Abstract
Hand hygiene is considered to be the key factor in controlling and preventing infection, either in hospital care settings or in the community. Alcohol-based hand sanitizers are commonly used due to their rapid action and broad spectrum of microbicidal activity, offering protection against bacteria and viruses. However, their frequent administration during COVID-19 pandemic was associated with serious hazards, such as skin toxicity, including irritation, skin dermatitis, skin dryness or cracking, along with peeling redness or itching, with the higher possibility of getting infections. Thus, there is a need to find alternative and novel approaches for hand sanitation. In our previous publications, we reported that rhamnolipids nano-micelles had a comparable antibacterial activity to alcohol-based hand sanitizer and a lower cytotoxicity against human dermal fibroblast cells. In the current study, we investigated the antiviral activity of rhamnolipids nano-micelles against SARS-CoV-2. There was no cytotoxic effect on Vero cells noted at the tested concentrations of rhamnolipids nano-micelles. The rhamnolipids nano-micelles solution at 20, 78, and 312 µg/mL all demonstrated a significant (p < 0.05) decrease of virus infectivity compared to the virus only and the blank vehicle sample. In addition, an acute irritation test was performed on rabbits to further ascertain the biosafety of rhamnolipids nano-micelles. In the eye and skin irritation tests, no degree of irritation was recorded after topical application of rhamnolipids nano-micelles. In addition, histopathological, biomarker, and hematological analyses from animals treated with rhamnolipids nano-micelles were identical to those recorded for untreated animal. From the above, we can conclude that rhamnolipids nano-micelles are a good candidate to be used as a hand sanitizer instead of alcohol-based hand sanitizers. However, they must still be tested in the future among healthcare workers (HCW) in a health care setting to ascertain their antimicrobial efficacy and safety compared to alcohol-based hand sanitizers.
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Affiliation(s)
- Alaa M Ali
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Harriet J Hill
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham B15 2TT, UK
| | - Gehad E Elkhouly
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo 11792, Egypt
| | - Marwa Reda Bakkar
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
| | - Nermeen R Raya
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo 11792, Egypt
| | - Zania Stamataki
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham B15 2TT, UK
| | - Yasmin Abo-Zeid
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Helwan Nanotechnology Center, Helwan University, Cairo 11792, Egypt
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Kleczewska N, Sikorski PJ, Warminska Z, Markiewicz L, Kasprzyk R, Baran N, Kwapiszewska K, Karpinska A, Michalski J, Holyst R, Kowalska J, Jemielity J. Cellular delivery of dinucleotides by conjugation with small molecules: targeting translation initiation for anticancer applications. Chem Sci 2021; 12:10242-10251. [PMID: 34377411 PMCID: PMC8336483 DOI: 10.1039/d1sc02143e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/29/2021] [Indexed: 12/15/2022] Open
Abstract
Targeting cap-dependent translation initiation is one of the experimental approaches that could lead to the development of novel anti-cancer therapies. Synthetic dinucleoside 5',5'-triphosphates cap analogs are potent antagonists of eukaryotic translation initiation factor 4E (eIF4E) in vitro and could counteract elevated levels of eIF4E in cancer cells; however, transformation of these compounds into therapeutic agents remains challenging - they do not easily penetrate into cells and are susceptible to enzymatic cleavage. Here, we tested the potential of several small molecule ligands - folic acid, biotin, glucose, and cholesterol - to deliver both hydrolyzable and cleavage-resistant cap analogs into cells. A broad structure-activity relationship (SAR) study using model fluorescent probes and cap-ligand conjugates showed that cholesterol greatly facilitates uptake of cap analogs without disturbing the interactions with eIF4E. The most potent cholesterol conjugate identified showed apoptosis-mediated cytotoxicity towards cancer cells.
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Affiliation(s)
- Natalia Kleczewska
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
| | - Pawel J Sikorski
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
| | - Zofia Warminska
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
- College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw Banacha 2c 02-097 Warsaw Poland
| | - Lukasz Markiewicz
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
| | - Renata Kasprzyk
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
- College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw Banacha 2c 02-097 Warsaw Poland
- Division of Biophysics Institute of Experimental Physics, Faculty of Physics University of Warsaw Pasteura 5 02-093 Warsaw Poland
| | - Natalia Baran
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
- Faculty of Biology University of Warsaw I. Miecznikowa 1 02-096 Warsaw Poland
| | - Karina Kwapiszewska
- Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Aneta Karpinska
- Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Jaroslaw Michalski
- Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Robert Holyst
- Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Joanna Kowalska
- Division of Biophysics Institute of Experimental Physics, Faculty of Physics University of Warsaw Pasteura 5 02-093 Warsaw Poland
| | - Jacek Jemielity
- Centre of New Technologies, University of Warsaw Banacha 2c 02-097 Warsaw Poland
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5
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Abo-Zeid Y, Williams GR, Touabi L, McLean GR. An investigation of rhinovirus infection on cellular uptake of poly (glycerol-adipate) nanoparticles. Int J Pharm 2020; 589:119826. [PMID: 32871219 PMCID: PMC7836899 DOI: 10.1016/j.ijpharm.2020.119826] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/24/2020] [Accepted: 08/24/2020] [Indexed: 12/26/2022]
Abstract
Viral infections represent 44% of newly emerging infections, and as is shown by the COVID-19 outbreak constitute a major risk to human health and wellbeing. Although there are many efficient antiviral agents, they still have drawbacks such as development of virus resistance and accumulation within off-target organs. Encapsulation of antiviral agents into nanoparticles (NPs) has been shown to improve bioavailability, control release, and reduce side effects. However, there is little quantitative understanding of how the uptake of NPs into virally infected cells compares to uninfected cells. In this work, the uptake of fluorescently labeled polymer NPs was investigated in several models of rhinovirus (RV) infected cells. Different multiplicities of RV infections (MOI) and timings of NPs uptake were also investigated. In some cases, RV infection resulted in a significant increase of NPs uptake, but this was not universally noted. For HeLa cells, RV-A16 and RV-A01 infection elevated NPs uptake upon increasing the incubation time, whereas at later timepoints (6 h) a reduced uptake was noted with RV-A01 infection (owing to decreased cell viability). Beas-2B cells exhibited more complex trends: decreases in NPs uptake (cf. uninfected cells) were observed at short incubation times following RV-A01 and RV-A16 infection. At later incubation times (4 h), we found a marked decrease of NPs uptake for RV-A01 infected cells but an increase in uptake with RV-A16 infected cells. Where increases in NPs uptake were found, they were very modest compared to results previously reported for a hepatitis C/ Huh7.5 cell line model. An increase in RV dose (MOI) was not associated with any notable change of NPs uptake. We argue that the diverse endocytic pathways among the different cell lines, together with changes in virus nature, size, and entry mechanism are responsible for these differences. These findings suggest that NPs entry into virally infected cells is a complex process, and further work is required to unravel the different factors which govern this. Undertaking this additional research will be crucial to develop potent nanomedicines for the delivery of antiviral agents.
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Affiliation(s)
- Yasmin Abo-Zeid
- Department of Pharmaceutics, Faculty of Pharmacy, Helwan University, Cairo, Egypt; UCL School of Pharmacy, University College London, 29 - 39 Brunswick Square, London WC1N 1AX, UK; Cellular and Molecular Immunology Research Centre, London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK.
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29 - 39 Brunswick Square, London WC1N 1AX, UK.
| | - Lila Touabi
- Cellular and Molecular Immunology Research Centre, London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK.
| | - Gary R McLean
- Cellular and Molecular Immunology Research Centre, London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK; National Heart and Lung Institute, Imperial College London, Norfolk Place, London W2 1PG, UK.
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6
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Vauthier C. A journey through the emergence of nanomedicines with poly(alkylcyanoacrylate) based nanoparticles. J Drug Target 2019; 27:502-524. [PMID: 30889991 DOI: 10.1080/1061186x.2019.1588280] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Starting in the late 1970s, the pioneering work of Patrick Couvreur gave birth to the first biodegradable nanoparticles composed of a biodegradable synthetic polymer. These nanoparticles, made of poly(alkylcyanoacrylate) (PACA), were the first synthetic polymer-based nanoparticulate drug carriers undergoing a phase III clinical trial so far. Analyzing the journey from the birth of PACA nanoparticles to their clinical evaluation, this paper highlights their remarkable adaptability to bypass various drug delivery challenges found on the way. At present, PACA nanoparticles include a wide range of nanoparticles that can associate drugs of different chemical nature and can be administered in vivo by different routes. The most recent technologies giving the nanoparticles customised functions could also be implemented on this family of nanoparticles. Through different examples, this paper discusses the seminal role of the PACA nanoparticles' family in the development of nanomedicines.
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Affiliation(s)
- Christine Vauthier
- a Institut Galien Paris Sud, UMR CNRS 8612 , Université Paris-Sud , Chatenay-Malabry Cedex , France
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7
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Kulshrestha S, Khan AU. Nanomedicine for anticancer and antimicrobial treatment: an overview. IET Nanobiotechnol 2018; 12:1009-1017. [PMID: 30964006 PMCID: PMC8676473 DOI: 10.1049/iet-nbt.2018.5112] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 05/10/2018] [Accepted: 05/30/2018] [Indexed: 12/19/2022] Open
Abstract
Nanoparticle-based treatment has become a potential therapeutic approach. The nanosize of these particles provides them with unique physicochemical properties and enhances their interaction with the biological system. Nanomaterials have the potential to overcome some of the major issues in the clinical world which may include cancer treatment and may be utilised to resolve the major problem of drug resistance in infection control. These particles are being used to improve present therapeutics by virtue of their shape, size and diverse intrinsic as well as chemical properties. The authors have discussed the use of nanoparticles in cancer treatment, infections caused by multidrug-resistant microbial strains and biofilm inhibition along with the detailed description of the current status of nanomaterials in the field of medicine.
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Affiliation(s)
- Shatavari Kulshrestha
- Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Asad U Khan
- Medical Microbiology and Molecular Biology, Laboratory Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India.
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8
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Roda B, Marassi V, Zattoni A, Borghi F, Anand R, Agostoni V, Gref R, Reschiglian P, Monti S. Flow field-flow fractionation and multi-angle light scattering as a powerful tool for the characterization and stability evaluation of drug-loaded metal-organic framework nanoparticles. Anal Bioanal Chem 2018; 410:5245-5253. [PMID: 29947896 DOI: 10.1007/s00216-018-1176-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 05/22/2018] [Accepted: 05/29/2018] [Indexed: 12/17/2022]
Abstract
Asymmetric flow field-flow fractionation (AF4) coupled with UV-Vis spectroscopy, multi-angle light scattering (MALS) and refractive index (RI) detection has been applied for the characterization of MIL-100(Fe) nanoMOFs (metal-organic frameworks) loaded with nucleoside reverse transcriptase inhibitor (NRTI) drugs for the first time. Empty nanoMOFs and nanoMOFs loaded with azidothymidine derivatives with three different degrees of phosphorylation were examined: azidothymidine (AZT, native drug), azidothymidine monophosphate (AZT-MP), and azidothymidine triphosphate (AZT-TP). The particle size distribution and the stability of the nanoparticles when interacting with drugs have been determined in a time frame of 24 h. Main achievements include detection of aggregate formation in an early stage and monitoring nanoMOF morphological changes as indicators of their interaction with guest molecules. AF4-MALS proved to be a useful methodology to analyze nanoparticles engineered for drug delivery applications and gave fundamental data on their size distribution and stability. Graphical abstract ᅟ.
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Affiliation(s)
- Barbara Roda
- Department of Chemistry "G.Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy. .,byFlow srl, Via Caduti della Via Fani, 11/B, 40127, Bologna, Italy.
| | - Valentina Marassi
- Department of Chemistry "G.Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Andrea Zattoni
- Department of Chemistry "G.Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy.,byFlow srl, Via Caduti della Via Fani, 11/B, 40127, Bologna, Italy
| | - Francesco Borghi
- Department of Chemistry "G.Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Resmi Anand
- CNR-Istituto per la Sintesi Organica e la Fotoreattività, Via Piero Gobetti, 40129, Bologna, Italy
| | - Valentina Agostoni
- Institut des Sciences Moléculaires d'Orsay, UMR CNRS 8214, Paris-Sud University, Paris Saclay, 91400, Orsay, France
| | - Ruxandra Gref
- Institut des Sciences Moléculaires d'Orsay, UMR CNRS 8214, Paris-Sud University, Paris Saclay, 91400, Orsay, France
| | - Pierluigi Reschiglian
- Department of Chemistry "G.Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy.,byFlow srl, Via Caduti della Via Fani, 11/B, 40127, Bologna, Italy
| | - Sandra Monti
- CNR-Istituto per la Sintesi Organica e la Fotoreattività, Via Piero Gobetti, 40129, Bologna, Italy
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Lembo D, Donalisio M, Civra A, Argenziano M, Cavalli R. Nanomedicine formulations for the delivery of antiviral drugs: a promising solution for the treatment of viral infections. Expert Opin Drug Deliv 2017; 15:93-114. [DOI: 10.1080/17425247.2017.1360863] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- David Lembo
- Department of Clinical and Biological Sciences, University of Torino, S. Luigi Gonzaga Hospital, Torino, Italy
| | - Manuela Donalisio
- Department of Clinical and Biological Sciences, University of Torino, S. Luigi Gonzaga Hospital, Torino, Italy
| | - Andrea Civra
- Department of Clinical and Biological Sciences, University of Torino, S. Luigi Gonzaga Hospital, Torino, Italy
| | - Monica Argenziano
- Department of Drug Science and Technology, University of Torino, Turin, Italy
| | - Roberta Cavalli
- Department of Drug Science and Technology, University of Torino, Turin, Italy
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10
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Li Q, Cai T, Huang Y, Xia X, Cole SPC, Cai Y. A Review of the Structure, Preparation, and Application of NLCs, PNPs, and PLNs. NANOMATERIALS 2017; 7:nano7060122. [PMID: 28554993 PMCID: PMC5485769 DOI: 10.3390/nano7060122] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 05/09/2017] [Accepted: 05/16/2017] [Indexed: 01/17/2023]
Abstract
Nanostructured lipid carriers (NLCs) are modified solid lipid nanoparticles (SLNs) that retain the characteristics of the SLN, improve drug stability and loading capacity, and prevent drug leakage. Polymer nanoparticles (PNPs) are an important component of drug delivery. These nanoparticles can effectively direct drug delivery to specific targets and improve drug stability and controlled drug release. Lipid–polymer nanoparticles (PLNs), a new type of carrier that combines liposomes and polymers, have been employed in recent years. These nanoparticles possess the complementary advantages of PNPs and liposomes. A PLN is composed of a core–shell structure; the polymer core provides a stable structure, and the phospholipid shell offers good biocompatibility. As such, the two components increase the drug encapsulation efficiency rate, facilitate surface modification, and prevent leakage of water-soluble drugs. Hence, we have reviewed the current state of development for the NLCs’, PNPs’, and PLNs’ structures, preparation, and applications over the past five years, to provide the basis for further study on a controlled release drug delivery system.
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Affiliation(s)
- Qianwen Li
- College of Pharmacy, Jinan University, Guangzhou 510632, China.
| | - Tiange Cai
- College of Life Sciences, Liaoning University, Shenyang 110036, China.
| | - Yinghong Huang
- GuangzhouGuoyu Pharmaceutical Technology Co., Ltd., Guangzhou 510632, China.
| | - Xi Xia
- College of Pharmacy, Jinan University, Guangzhou 510632, China.
| | - Susan P C Cole
- Division of Cancer Biology and Genetics, Queen's University Cancer Research Institute, Kingston, ON K7L 3N6, Canada.
| | - Yu Cai
- College of Pharmacy, Jinan University, Guangzhou 510632, China.
- Cancer Research Institute of Jinan University, Guangzhou 510632, China.
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11
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Rodriguez-Ruiz V, Maksimenko A, Anand R, Monti S, Agostoni V, Couvreur P, Lampropoulou M, Yannakopoulou K, Gref R. Efficient "green" encapsulation of a highly hydrophilic anticancer drug in metal-organic framework nanoparticles. J Drug Target 2016; 23:759-67. [PMID: 26453171 DOI: 10.3109/1061186x.2015.1073294] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Metal-organic frameworks (MOFs) are coordination polymers of interest for biomedical applications. Of particular importance, nanoparticles made of iron(III) trimesate (MIL-100, MIL standing for Material Institut Lavoisier) (nanoMOFs) can be conveniently synthesised under mild and green conditions. They were shown to be biodegradable, biocompatible and efficient to encapsulate a variety of active molecules. We have addressed here the challenges to encapsulate a highly hydrophilic anticancer prodrug, phosphated gemcitabin (Gem-MP) known for its instability and inability to bypass cell membranes. MIL-100 nanoMOFs acted as efficient "nanosponges", soaking Gem-MP from its aqueous solution with almost perfect efficiency (>98%). Maximal loadings reached ∼30 wt% reflecting the strong interaction between the drug and the iron trimesate matrices. Neither degradation nor loss of crystalline structure was observed after the loading process. Storage of the loaded nanoMOFs in water did not result in drug release over three days. However, Gem-MP was released in media containing phosphates, as a consequence to particle degradation. Drug-loaded nanoMOFs were effective against pancreatic PANC-1 cells, in contrast to free drug and empty nanoMOFs. However, an efflux phenomenon could contribute to reduce the efficacy of the nanocarriers. Size optimization and surface modification of the nanoMOFs are expected to further improve these findings.
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Affiliation(s)
| | - Andrei Maksimenko
- a Institut Galien (UMR CNRS 8612), Université Paris-Sud , Châtenay-Malabry , France
| | - Resmi Anand
- b National Centre for Scientific Research "Demokritos", Institute of Nanoscience & Nanotechnology , Ag. Paraskevi , Athens , Greece , and
| | - Sandra Monti
- c Istituto per la Sintesi Organica e la Fotoreattività-CNR , Bologna , Italy
| | - Valentina Agostoni
- a Institut Galien (UMR CNRS 8612), Université Paris-Sud , Châtenay-Malabry , France
| | - Patrick Couvreur
- a Institut Galien (UMR CNRS 8612), Université Paris-Sud , Châtenay-Malabry , France
| | - Maria Lampropoulou
- b National Centre for Scientific Research "Demokritos", Institute of Nanoscience & Nanotechnology , Ag. Paraskevi , Athens , Greece , and
| | - Konstantina Yannakopoulou
- b National Centre for Scientific Research "Demokritos", Institute of Nanoscience & Nanotechnology , Ag. Paraskevi , Athens , Greece , and
| | - Ruxandra Gref
- a Institut Galien (UMR CNRS 8612), Université Paris-Sud , Châtenay-Malabry , France
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12
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Giacalone G, Hillaireau H, Fattal E. Improving bioavailability and biodistribution of anti-HIV chemotherapy. Eur J Pharm Sci 2015; 75:40-53. [PMID: 25937367 DOI: 10.1016/j.ejps.2015.04.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 04/07/2015] [Accepted: 04/13/2015] [Indexed: 11/25/2022]
Abstract
In the context of the treatment of HIV/AIDS, many improvements have been achieved since the introduction of the combination therapy (HAART). Nevertheless, no cure for this disease has been so far possible, because of some particular features of the therapies. Among them, two important ones have been selected and will be the subject of this review. The first main concern in the treatments is the poor drug bioavailability, resulting in repeated administrations and therefore a demanding compliance (drug regimens consist of multiple drugs daily intake, and non-adherence to therapy is among the important reasons for treatment failure). A second important challenge is the need to target the drugs into the so-called reservoirs and sanctuaries, i.e. cells or body compartments where drugs cannot penetrate or are distributed in sub-active concentrations. The lack of antiviral action in these regions allows the virus to lie latent and start to replicate at any moment after therapy suspension. Recent drug delivery strategies addressing these two limitations will be presented in this review. In the first part, strategies to improve the bioavailability are proposed in order to overcome the absorption or the target cell barrier, or to extend the efficacy time of drugs. In the second section, the biodistribution issues are considered in order to target the drugs into the reservoirs and the sanctuaries, in particular the mononuclear phagocyte system and the brain.
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Affiliation(s)
- Giovanna Giacalone
- Institut Galien Paris-Sud, Université Paris-Sud, Faculté de Pharmacie, 5 rue J.-B. Clément, F-92290 Châtenay-Malabry, France; CNRS, UMR 8612, F-92290 Châtenay-Malabry, France.
| | - Hervé Hillaireau
- Institut Galien Paris-Sud, Université Paris-Sud, Faculté de Pharmacie, 5 rue J.-B. Clément, F-92290 Châtenay-Malabry, France; CNRS, UMR 8612, F-92290 Châtenay-Malabry, France.
| | - Elias Fattal
- Institut Galien Paris-Sud, Université Paris-Sud, Faculté de Pharmacie, 5 rue J.-B. Clément, F-92290 Châtenay-Malabry, France; CNRS, UMR 8612, F-92290 Châtenay-Malabry, France.
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13
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Amphiphilic cationic nanogels as brain-targeted carriers for activated nucleoside reverse transcriptase inhibitors. J Neuroimmune Pharmacol 2015; 10:88-101. [PMID: 25559020 DOI: 10.1007/s11481-014-9576-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 12/18/2014] [Indexed: 10/24/2022]
Abstract
Progress in AIDS treatment shifted emphasis towards limiting adverse effects of antiviral drugs while improving the treatment of hard-to-reach viral reservoirs. Many therapeutic nucleoside reverse transcriptase inhibitors (NRTI) have a limited access to the central nervous system (CNS). Increased NRTI levels induced various complications during the therapy, including neurotoxicity, due to the NRTI toxicity to mitochondria. Here, we describe an innovative design of biodegradable cationic cholesterol-ε-polylysine nanogel carriers for delivery of triphosphorylated NRTIs that demonstrated high anti-HIV activity along with low neurotoxicity, warranting minimal side effects following systemic administration. Efficient CNS targeting was achieved by nanogel modification with brain-specific peptide vectors. Novel dual and triple-drug nanoformulations, analogous to therapeutic NRTI cocktails, displayed equal or higher antiviral activity in HIV-infected macrophages compared to free drugs. Our results suggest potential alternative approach to HIV-1 treatment focused on the effective nanodrug delivery to viral reservoirs in the CNS and reduced neurotoxicity.
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14
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Miksa B. Recent progress in designing shell cross-linked polymer capsules for drug delivery. RSC Adv 2015. [DOI: 10.1039/c5ra12882j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
This tutorial review highlights the progress made during recent years in the development of the shell cross-linked (SCL) polymer nanocapsules and the impact of the most important scientific ideas on this field of knowledge.
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Affiliation(s)
- Beata Miksa
- Centre of Molecular and Macromolecular Studies Polish Academy of Science
- Lodz
- Poland
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15
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Pharmacokinetic and Tissue Distribution Study of Solid Lipid Nanoparticles of Zidovudine in Rats. JOURNAL OF NANOTECHNOLOGY 2014. [DOI: 10.1155/2014/854018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Zidovudine-loaded solid lipid nanoparticles (AZT-SLNs) and zidovudine in solution were prepared and administered in rats. The aim of this research was to study whether the bioavailability of zidovudine can be improved by AZT-SLNs perorally to rats as compared to oral administration of zidovudine. Zidovudine was determined in plasma and tissues by reverse phase high performance liquid chromatography. The pharmacokinetic parameters of zidovudine were determined after peroral administration: area under curve of concentration versus time (AUC) for AZT-SLNs was 31.25% greater than AZT solution; meanwhile mean resident time (MRT) was found to be 1.83 times higher for AZT-SLNs than AZT solution. Elimination half life of zidovudine was also increased for SLN formulation. Tissue distribution pattern of zidovudine was changed in case of AZT-SLNs. AUC of zidovudine in brain and liver was found to be approximately 2.73 and 1.77 times higher in AZT-SLNs than AZT solution, respectively, indicating that AZT-SLNs could cross blood brain barrier. Distribution of zidovudine was approximately 0.95 and 0.86 times lesser in heart and kidney, respectively. It can be concluded from the study that oral administration of AZT-SLNs modifies the plasma pharmacokinetic parameters and biodistribution of zidovudine.
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16
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Agostoni V, Chalati T, Horcajada P, Willaime H, Anand R, Semiramoth N, Baati T, Hall S, Maurin G, Chacun H, Bouchemal K, Martineau C, Taulelle F, Couvreur P, Rogez-Kreuz C, Clayette P, Monti S, Serre C, Gref R. Towards an improved anti-HIV activity of NRTI via metal-organic frameworks nanoparticles. Adv Healthc Mater 2013; 2:1630-7. [PMID: 23776182 DOI: 10.1002/adhm.201200454] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Indexed: 12/22/2022]
Abstract
Nanoscale mesoporous iron carboxylates metal-organic frameworks (nanoMOFs) have recently emerged as promising platforms for drug delivery, showing biodegradability, biocompatibility and important loading capability of challenging highly water-soluble drugs such as azidothymidine tryphosphate (AZT-TP). In this study, nanoMOFs made of iron trimesate (MIL-100) were able to act as efficient molecular sponges, quickly adsorbing up to 24 wt% AZT-TP with entrapment efficiencies close to 100%, without perturbation of the supramolecular crystalline organization. These data are in agreement with molecular modelling predictions, indicating maximal loadings of 33 wt% and preferential location of the drug in the large cages. Spectrophotometry, isothermal titration calorimetry, and solid state NMR investigations enable to gain insight on the mechanism of interaction of AZT and AZT-TP with the nanoMOFs, pointing out the crucial role of phosphates strongly coordinating with the unsaturated iron(III) sites. Finally, contrarily to the free AZT-TP, the loaded nanoparticles efficiently penetrate and release their cargo of active triphosphorylated AZT inside major HIV target cells, efficiently protecting against HIV infection.
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Affiliation(s)
- Valentina Agostoni
- Institut Galien, UMR 8612 CNRS Université Paris-Sud, Châtenay-Malabry, France
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17
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Lin YH, Tsai SC, Lai CH, Lee CH, He ZS, Tseng GC. Genipin-cross-linked fucose-chitosan/heparin nanoparticles for the eradication of Helicobacter pylori. Biomaterials 2013; 34:4466-79. [PMID: 23499480 DOI: 10.1016/j.biomaterials.2013.02.028] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 02/10/2013] [Indexed: 02/06/2023]
Abstract
Helicobacter pylori is a significant human pathogen that recognizes specific carbohydrate receptors, such as the fucose receptor, and produces the vacuolating cytotoxin, which induces inflammatory responses and modulates the cell-cell junction integrity of the gastric epithelium. The clinical applicability of topical antimicrobial agents was needed to complete the eradication of H. pylori in the infected fundal area. In the present study, we combined fucose-conjugated chitosan and genipin-cross-linking technologies in preparing multifunctional genipin-cross-linked fucose-chitosan/heparin nanoparticles to encapsulate amoxicillin of targeting and directly make contact with the region of microorganism on the gastric epithelium. The results show that the nanoparticles effectively reduced drug release at gastric acids and then released amoxicillin in an H. pylori survival situation to inhibit H. pylori growth and reduce disruption of the cell-cell junction protein in areas of H. pylori infection. Furthermore, with amoxicillin-loaded nanoparticles, a more complete H. pylori clearance effect was observed, and H. pylori-associated gastric inflammation in an infected animal model was effectively reduced.
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Affiliation(s)
- Yu-Hsin Lin
- Department of Biological Science and Technology, China Medical University, Taichung 40402, Taiwan.
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18
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Giacalone G, Bochot A, Fattal E, Hillaireau H. Drug-induced nanocarrier assembly as a strategy for the cellular delivery of nucleotides and nucleotide analogues. Biomacromolecules 2013; 14:737-42. [PMID: 23351139 DOI: 10.1021/bm301832v] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The natural nucleotide adenosine triphosphate (ATP) and nucleotide analogues such as azidothymidine triphosphate (AZT-TP) display important pharmacological activities for the treatment of ischemia and HIV infections, respectively. Their clinical use is, however, limited mostly due to their hydrophilicity, which highly restricts their diffusion into the target cells. Few nanocarriers have been proposed to address the challenge of ATP/AZT-TP cellular delivery, but the loading efficiency, preparation complexity, and efficient cellular delivery remain important barriers to their development. In this study, we propose an original, straightforward and versatile design of nucleotide and nucleotide analogue nanocarriers based on the natural polysaccharide chitosan (CS). We show that the drugs ATP and AZT-TP can induce ionotropic gelation of CS, leading to CS/ATP and CS/AZT-TP nanoparticles with high drug entrapment efficiency and loading rate-up to 44%. Such nanocarriers release ATP and AZT-TP in physiological media and allow an efficient in vitro cellular delivery of these molecules down to the cell cytoplasm.
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Affiliation(s)
- Giovanna Giacalone
- Institut Galien Paris-Sud, Université Paris-Sud, Châtenay-Malabry, France
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19
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Agostoni V, Anand R, Monti S, Hall S, Maurin G, Horcajada P, Serre C, Bouchemal K, Gref R. Impact of phosphorylation on the encapsulation of nucleoside analogues within porous iron(iii) metal–organic framework MIL-100(Fe) nanoparticles. J Mater Chem B 2013; 1:4231-4242. [DOI: 10.1039/c3tb20653j] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Lin YH, Chiou SF, Lai CH, Tsai SC, Chou CW, Peng SF, He ZS. Formulation and evaluation of water-in-oil amoxicillin-loaded nanoemulsions using for Helicobacter pylori eradication. Process Biochem 2012. [DOI: 10.1016/j.procbio.2012.05.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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21
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Hung SW, Mody HR, Govindarajan R. Overcoming nucleoside analog chemoresistance of pancreatic cancer: a therapeutic challenge. Cancer Lett 2012; 320:138-49. [PMID: 22425961 PMCID: PMC3569094 DOI: 10.1016/j.canlet.2012.03.007] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Revised: 03/01/2012] [Accepted: 03/06/2012] [Indexed: 12/17/2022]
Abstract
Clinical refractoriness to nucleoside analogs (e.g., gemcitabine, capecitabine) is a major scientific problem and is one of the main reasons underlying the extremely poor prognostic state of pancreatic cancer. The drugs' effects are suboptimal partly due to cellular mechanisms limiting their transport, activation, and overall efficacy. Nonetheless, novel therapeutic approaches are presently under study to circumvent nucleoside analog resistance in pancreatic cancer. With these new approaches come additional challenges to be addressed. This review describes the determinants of chemoresistance in the gemcitabine cytotoxicity pathways, provides an overview of investigational approaches for overcoming chemoresistance, and discusses new challenges presented. Understanding the future directions of the field may assist in the successful development of novel treatment strategies for enhancing chemotherapeutic efficacy in pancreatic cancer.
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Affiliation(s)
- Sau Wai Hung
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, USA
| | - Hardik R. Mody
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, USA
| | - Rajgopal Govindarajan
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, USA
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22
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Parboosing R, Maguire GEM, Govender P, Kruger HG. Nanotechnology and the treatment of HIV infection. Viruses 2012; 4:488-520. [PMID: 22590683 PMCID: PMC3347320 DOI: 10.3390/v4040488] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Revised: 03/15/2012] [Accepted: 03/27/2012] [Indexed: 01/25/2023] Open
Abstract
Suboptimal adherence, toxicity, drug resistance and viral reservoirs make the lifelong treatment of HIV infection challenging. The emerging field of nanotechnology may play an important role in addressing these challenges by creating drugs that possess pharmacological advantages arising out of unique phenomena that occur at the “nano” scale. At these dimensions, particles have physicochemical properties that are distinct from those of bulk materials or single molecules or atoms. In this review, basic concepts and terms in nanotechnology are defined, and examples are provided of how nanopharmaceuticals such as nanocrystals, nanocapsules, nanoparticles, solid lipid nanoparticles, nanocarriers, micelles, liposomes and dendrimers have been investigated as potential anti-HIV therapies. Such drugs may, for example, be used to optimize the pharmacological characteristics of known antiretrovirals, deliver anti-HIV nucleic acids into infected cells or achieve targeted delivery of antivirals to the immune system, brain or latent reservoirs. Also, nanopharmaceuticals themselves may possess anti-HIV activity. However several hurdles remain, including toxicity, unwanted biological interactions and the difficulty and cost of large-scale synthesis of nanopharmaceuticals.
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Affiliation(s)
- Raveen Parboosing
- Department of Virology, National Health Laboratory Service/University of KwaZulu-Natal, c/o Inkosi Albert Luthuli Central Hospital, 5th Floor Laboratory Building, 800 Bellair Road, Mayville, Durban 4091, South Africa
- Author to whom correspondence should be addressed; ; Tel.: +27-31-240-2816; Fax: +27-31-240-2797
| | - Glenn E. M. Maguire
- School of Chemistry, University of KwaZulu-Natal, Varsity Drive, Durban 4001, South Africa; (G.E.M. M.); (H.G.K.)
| | - Patrick Govender
- School of Biochemistry, Genetics and Microbiology, University of KwaZulu-Natal, Durban 4001, South Africa; (P.G.)
| | - Hendrik G. Kruger
- School of Chemistry, University of KwaZulu-Natal, Varsity Drive, Durban 4001, South Africa; (G.E.M. M.); (H.G.K.)
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23
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Horcajada P, Gref R, Baati T, Allan PK, Maurin G, Couvreur P, Férey G, Morris RE, Serre C. Metal–Organic Frameworks in Biomedicine. Chem Rev 2011; 112:1232-68. [PMID: 22168547 DOI: 10.1021/cr200256v] [Citation(s) in RCA: 2673] [Impact Index Per Article: 205.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Patricia Horcajada
- Institut Lavoisier, UMR CNRS 8180, Université de Versailles St-Quentin en Yvelines, 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France
| | - Ruxandra Gref
- Faculté de Pharmacie, UMR CNRS 8612, Université Paris-Sud, 92296 Châtenay-Malabry Cedex, France
| | - Tarek Baati
- Institut Lavoisier, UMR CNRS 8180, Université de Versailles St-Quentin en Yvelines, 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France
| | - Phoebe K. Allan
- EaStChem School of Chemistry, University of St. Andrews Purdie Building, St Andrews, KY16 9ST U.K
| | - Guillaume Maurin
- Institut Charles Gerhardt Montpellier, UMR CNRS 5253, Université Montpellier 2, 34095 Montpellier cedex 05, France
| | - Patrick Couvreur
- Faculté de Pharmacie, UMR CNRS 8612, Université Paris-Sud, 92296 Châtenay-Malabry Cedex, France
| | - Gérard Férey
- Institut Lavoisier, UMR CNRS 8180, Université de Versailles St-Quentin en Yvelines, 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France
| | - Russell E. Morris
- EaStChem School of Chemistry, University of St. Andrews Purdie Building, St Andrews, KY16 9ST U.K
| | - Christian Serre
- Institut Lavoisier, UMR CNRS 8180, Université de Versailles St-Quentin en Yvelines, 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France
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24
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Strategies for the nanoencapsulation of hydrophilic molecules in polymer-based nanoparticles. Biomaterials 2011; 32:8593-604. [DOI: 10.1016/j.biomaterials.2011.07.057] [Citation(s) in RCA: 207] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Accepted: 07/17/2011] [Indexed: 11/20/2022]
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Khalil NM, Carraro E, Cótica LF, Mainardes RM. Potential of polymeric nanoparticles in AIDS treatment and prevention. Expert Opin Drug Deliv 2010; 8:95-112. [PMID: 21143001 DOI: 10.1517/17425247.2011.543673] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
IMPORTANCE OF THE FIELD Acquired immunodeficiency syndrome (AIDS) remains one of the greatest challenges in public health. The AIDS virus is now responsible for > 2.5 million new infections worldwide each year. Despite significant advances in understanding the mechanism of viral infection and identifying effective treatment approaches, the search for optimum treatment strategies for AIDS remains a major challenge. Recent advances in the field of drug delivery have provided evidence that engineered nanosystems may contribute to the enhancement of current antiretroviral therapy. AREAS COVERED IN THIS REVIEW This review describes the potential of polymeric nanoparticle-based drug delivery systems in the future treatment of AIDS. Polymeric nanoparticles have been developed to improve physicochemical drug characteristics (by increasing drug solubility and stability), to achieve sustained drug release profile, to provide targeting to the cellular and anatomic human immunodeficiency virus (HIV) latent reservoirs and to be applied as an adjuvant in anti-HIV vaccine formulations. WHAT THE READER WILL GAIN The insight that will be gained is knowledge about the progress in the development of polymeric nanoparticle-based drug delivery systems for antiretroviral drugs as alternative for AIDS treatment and prevention. TAKE HOME MESSAGE The advances in the field of targeted drug delivery can result in more efficient strategies for AIDS treatment and prevention.
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Affiliation(s)
- Najeh Maissar Khalil
- Universidade Estadual do Centro-Oeste/UNICENTRO - Departamento de Farmácia, Rua Simeão Camargo Varela de Sá 03, 85040-080 Guarapuava-PR, Brasil
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26
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Vinogradov SV, Poluektova LY, Makarov E, Gerson T, Senanayake MT. Nano-NRTIs: efficient inhibitors of HIV type-1 in macrophages with a reduced mitochondrial toxicity. Antivir Chem Chemother 2010; 21:1-14. [PMID: 21045256 DOI: 10.3851/imp1680] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Macrophages serve as a depot for HIV type-1 (HIV-1) in the central nervous system. To efficiently target macrophages, we developed nanocarriers for potential brain delivery of activated nucleoside reverse transcriptase inhibitors (NRTIs) called nano-NRTIs. METHODS Nanogel carriers consisting of poly(ethylene glycol) (PEG)- or Pluronic-polyethylenimine (PEI) biodegradable networks, star PEG-PEI or poly(amidoamine) dendrimer-PEI-PEG dendritic networks, as well as nanogels decorated with brain-targeting peptide molecules, specifically binding to the apolipoprotein E receptor, were synthesized and evaluated. Nano-NRTIs were obtained by mixing aqueous solutions of zidovudine 5'-triphosphate or didanosine 5'-triphosphate and nanocarriers, followed by freeze-drying. Intracellular accumulation, cytotoxicity and antiviral activity of nano-NRTIs were monitored in monocyte-derived macrophages (MDMs). HIV-1 viral activity in infected MDMs was measured by a reverse transcriptase activity assay following treatment with nano-NRTIs. Mitochondrial DNA depletion in MDMs and human HepG2 cells was assessed by quantitative PCR. RESULTS Nanogels were efficiently captured by MDMs and demonstrated low cytotoxicity, and no antiviral activity without drugs. All nano-NRTIs demonstrated high efficacy of HIV-1 inhibition at drug levels as low as 1 μmol/l, representing a 4.9- to 14-fold decrease in 90% effective drug concentrations as compared with NRTIs, whereas 50% cytotoxicity effects started at 200× higher concentrations. Nano-NRTIs with a core-shell structure and decorated with brain-targeting peptides displayed the highest antiviral efficacy. Mitochondrial DNA depletion, a major cause of NRTI neurotoxicity, was reduced threefold compared with NRTIs at application of selected nano-NRTIs. CONCLUSIONS Nano-NRTIs demonstrated a promising antiviral efficacy against HIV-1 in MDMs and showed strong potential as nanocarriers for delivery of antiviral drugs to macrophages harbouring in the brain.
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Affiliation(s)
- Serguei V Vinogradov
- Department of Pharmaceutical Sciences and Center for Drug Delivery and Nanomedicine, University of Nebraska Medical Center, Omaha, NE, USA.
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27
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Iodinated blood pool contrast media for preclinical X-ray imaging applications – A review. Biomaterials 2010; 31:6249-68. [DOI: 10.1016/j.biomaterials.2010.04.066] [Citation(s) in RCA: 197] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2010] [Accepted: 04/29/2010] [Indexed: 11/23/2022]
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28
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Efficient overcoming of drug resistance to anticancer nucleoside analogs by nanodelivery of active phosphorylated drugs. Int J Pharm 2010; 395:281-9. [PMID: 20580798 DOI: 10.1016/j.ijpharm.2010.05.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Revised: 05/11/2010] [Accepted: 05/15/2010] [Indexed: 12/12/2022]
Abstract
One of the major problems in cancer chemotherapy is the fast development of drug resistance to most anticancer therapeutics. Thus, an important cause of the eventual decline in clinical efficacy of cytotoxic nucleoside analogs was the selection of resistant cancer cells with deficiencies in the expression of nucleoside transporters or nucleoside-activating kinases. Here, we present an efficient strategy of overcoming this type of drug resistance by tumor-specific delivery of nanogel-encapsulated active triphosphates of nucleoside analogs (NATP). The small particles of biodegradable cationic nanogels loaded with anionic NATP efficiently interacted with cancer cells and released active drug compounds into the cytoplasm. The potential of novel drug formulations was evaluated in the nucleoside transport-deficient (CEM/araC/C8) or nucleoside activation-deficient (RL7/G) lymphogenic cancer cells. Compared to nucleoside analogs, NATP-loaded nanogels demonstrated increased cytotoxicity, reducing the drug resistance index 250- to 900-fold in CEM/araC/C8 cells and 70- to 100-fold in RL7/G cells. The strong cytotoxic effect of nanoformulations was accompanied by characteristic cell cycle perturbations, usually observed in drug-treated sensitive cells, and resulted in the induction of apoptosis in all studied drug-resistant cells. Efficient cellular accumulation of nanogels and the consequent increase in intracellular levels of NATP were found to be the major factors determining cytotoxic efficacy of nanoformulations. Decoration of nanogels with multiple molecules of tumor lymphatic-specific peptide (LyP1) enhanced the binding efficacy of nanocarriers with lymphogenic cancer cells. The targeted nanoformulation of activated gemcitabine (LyP1-NG-dFdCTP), when injected in subcutaneous RL7/G xenograft tumor model, demonstrated 2-fold more efficient tumor growth inhibition than gemcitabine at a higher dose. Nanogel-drug formulations exhibited no systemic toxicity during the treatment, hence extending the versatility of nucleoside analogs in the treatment of drug-resistant lymphogenic tumors.
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das Neves J, Amiji MM, Bahia MF, Sarmento B. Nanotechnology-based systems for the treatment and prevention of HIV/AIDS. Adv Drug Deliv Rev 2010; 62:458-77. [PMID: 19914314 DOI: 10.1016/j.addr.2009.11.017] [Citation(s) in RCA: 130] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2009] [Accepted: 09/14/2009] [Indexed: 11/27/2022]
Abstract
The HIV/AIDS pandemic is an increasing global burden with devastating health-related and socioeconomic effects. The widespread use of antiretroviral therapy has dramatically improved life quality and expectancy of infected individuals, but limitations of currently available drug regimens and dosage forms, alongside with the extraordinary adapting capacity of the virus, have impaired further success. Alongside, circumventing the escalating number of new infections can only be attained with effective and practical preventative strategies. Recent advances in the field of drug delivery are providing evidence that engineered nanosystems may contribute importantly for the enhancement of current antiretroviral therapy. Additionally, groundwork is also being carried out in the field nanotechnology-based systems for developing preventative solutions for HIV transmission. This manuscript reviews recent advances in the field of nanotechnology-based systems for the treatment and prevention of HIV/AIDS. Particular attention is given to antiretroviral drug targeting to HIV reservoirs and the usefulness of nanosystems for developing topical microbicides and vaccines.
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30
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Yang L, Chen L, Zeng R, Li C, Qiao R, Hu L, Li Z. Synthesis, nanosizing and in vitro drug release of a novel anti-HIV polymeric prodrug: chitosan-O-isopropyl-5'-O-d4T monophosphate conjugate. Bioorg Med Chem 2009; 18:117-23. [PMID: 19959368 DOI: 10.1016/j.bmc.2009.11.013] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2009] [Revised: 11/04/2009] [Accepted: 11/05/2009] [Indexed: 11/27/2022]
Abstract
A novel approach to improve the antiviral efficacy of nucleoside reverse transcriptase inhibitors (NRTIs) and reduce their side effects was developed by constructing a nanosized NRTI monophosphate-polymer conjugate using d4T as a model NRTI. Firstly, a novel chitosan-O-isopropyl-5'-O-d4T monophosphate conjugate with a phosphoramidate linkage was efficiently synthesized through Atherton-Todd reaction under mild conditions. The anti-HIV activity and cytotoxicity of the polymeric conjugate were evaluated in MT4 cell line. Then the conjugate nanoparticles were prepared by the process of ionotropic gelation between TPP and chitosan-d4T conjugate to improve their delivery to viral reservoirs, and their physicochemical properties were characterized by transmission electron microscopy (TEM), dynamic light scattering (DLS) techniques and X-ray diffraction (XRD). In vitro drug release studies in pH 1.1 and pH 7.4 suggested that both chitosan-d4T conjugate and its nanoparticles prefer to release d4T 5'-(O-isopropyl) monophosphate than free d4T for prolonged periods, which resulted in the enhancement of anti-HIV selectivity of the polymeric conjugate relative to free d4T due to bypassing the metabolic bottleneck of monophosphorylation. Additionally, the crosslinked conjugate nanoparticles can prevent the coupled drug from leaking out of the nanoparticles before entering the target viral reservoirs and provide a mild sustained release of d4T 5'-(O-isopropyl) monophosphate without the burst release. The results suggested that this kind of chitosan-O-isopropyl-5'-O-d4T monophosphate conjugate nano-prodrugs may be used as a targeting and sustained polymeric prodrugs for improving therapy efficacy and reducing side effects in antiretroviral treatment.
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Affiliation(s)
- Lin Yang
- State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
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31
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Hillaireau H, Couvreur P. Nanocarriers' entry into the cell: relevance to drug delivery. Cell Mol Life Sci 2009; 66:2873-96. [PMID: 19499185 PMCID: PMC11115599 DOI: 10.1007/s00018-009-0053-z] [Citation(s) in RCA: 1047] [Impact Index Per Article: 69.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Revised: 05/06/2009] [Accepted: 05/18/2009] [Indexed: 11/28/2022]
Abstract
Nanocarriers offer unique possibilities to overcome cellular barriers in order to improve the delivery of various drugs and drug candidates, including the promising therapeutic biomacromolecules (i.e., nucleic acids, proteins). There are various mechanisms of nanocarrier cell internalization that are dramatically influenced by nanoparticles' physicochemical properties. Depending on the cellular uptake and intracellular trafficking, different pharmacological applications may be considered. This review will discuss these opportunities, starting with the phagocytosis pathway, which, being increasingly well characterized and understood, has allowed several successes in the treatment of certain cancers and infectious diseases. On the other hand, the non-phagocytic pathways encompass various complicated mechanisms, such as clathrin-mediated endocytosis, caveolae-mediated endocytosis and macropinocytosis, which are more challenging to control for pharmaceutical drug delivery applications. Nevertheless, various strategies are being actively investigated in order to tailor nanocarriers able to deliver anticancer agents, nucleic acids, proteins and peptides for therapeutic applications by these non-phagocytic routes.
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Affiliation(s)
- Hervé Hillaireau
- School of Engineering and Applied Sciences, Harvard University, 40 Oxford Street, Cambridge, MA 02138 USA
| | - Patrick Couvreur
- Faculté de Pharmacie, UMR CNRS 8612, Université Paris-Sud 11, IFR 141, 5 rue J.B. Clément, 92296 Châtenay Malabry, France
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32
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Peterson LW, McKenna CE. Prodrug approaches to improving the oral absorption of antiviral nucleotide analogues. Expert Opin Drug Deliv 2009; 6:405-20. [PMID: 19382883 DOI: 10.1517/17425240902824808] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Nucleotide analogues have been well accepted as therapeutic agents active against a number of viruses. However, their use as antiviral agents is limited by the need for phosphorylation by endogenous enzymes, and if the analogue is orally administered, by low bioavailability due to the presence of an ionizable diacid group. To circumvent these limitations, a number of prodrug approaches have been proposed. The ideal prodrug achieves delivery of a parent drug by attachment of a non-toxic moiety that is stable during transport and delivery, but is readily cleaved to release the parent drug once at the target. Here, a brief overview of several promising prodrug strategies currently under development is given.
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Affiliation(s)
- Larryn W Peterson
- University of Southern California, Department of Chemistry, Los Angeles, CA 90089-0744, USA.
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33
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Saxena SK, Mishra N, Saxena R. Advances in antiviral drug discovery and development: Part I: Advancements in antiviral drug discovery. Future Virol 2009. [DOI: 10.2217/17460794.4.2.101] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Shailendra K Saxena
- Centre for Cellular & Molecular Biology, Uppal Road, Hyderabad 500 007 (AP), India
| | - Niraj Mishra
- Centre for Cellular & Molecular Biology, Uppal Road, Hyderabad 500 007 (AP), India
| | - Rakhi Saxena
- Centre for Cellular & Molecular Biology, Uppal Road, Hyderabad 500 007 (AP), India
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34
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35
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Vauthier C, Bouchemal K. Methods for the preparation and manufacture of polymeric nanoparticles. Pharm Res 2008; 26:1025-58. [PMID: 19107579 DOI: 10.1007/s11095-008-9800-3] [Citation(s) in RCA: 476] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Accepted: 12/01/2008] [Indexed: 10/21/2022]
Abstract
This review summarizes the different methods of preparation of polymer nanoparticles including nanospheres and nanocapsules. The first part summarizes the basic principle of each method of nanoparticle preparation. It presents the most recent innovations and progresses obtained over the last decade and which were not included in previous reviews on the subject. Strategies for the obtaining of nanoparticles with controlled in vivo fate are described in the second part of the review. A paragraph summarizing scaling up of nanoparticle production and presenting corresponding pilot set-up is considered in the third part of the review. Treatments of nanoparticles, applied after the synthesis, are described in the next part including purification, sterilization, lyophilization and concentration. Finally, methods to obtain labelled nanoparticles for in vitro and in vivo investigations are described in the last part of this review.
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Affiliation(s)
- Christine Vauthier
- CNRS UMR 8612, Université Paris Sud-11, 92296, Chatenay-Malabry, France.
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36
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de Martimprey H, Vauthier C, Malvy C, Couvreur P. Polymer nanocarriers for the delivery of small fragments of nucleic acids: oligonucleotides and siRNA. Eur J Pharm Biopharm 2008; 71:490-504. [PMID: 18977435 DOI: 10.1016/j.ejpb.2008.09.024] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 07/18/2008] [Accepted: 09/02/2008] [Indexed: 11/17/2022]
Abstract
The success of the application of new therapeutic methods based on RNA interfering strategies requires the in vivo delivery of active ODN or siRNA down to the intracellular compartment of the target cells. This article aims to review the studies related to the formulation of RNA interfering agents in polymer nanocarriers. It will present the different types of polymer nanocarriers used as well as the biological activity of the resulting ODN and siRNA loaded nanocarriers. As will be explained, the part of the in vitro studies provided useful data about the intracellular delivery of the formulated RNA interfering agents. Investigations performed in vivo have considered animal models of different relevant diseases. Results from these investigations have clearly demonstrated the interest of several polymer nanocarriers tested so far to deliver active RNA interfering effectors in vivo making possible their administration by the intravenous route.
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Bouclier C, Moine L, Hillaireau H, Marsaud V, Connault E, Opolon P, Couvreur P, Fattal E, Renoir JM. Physicochemical Characteristics and Preliminary in Vivo Biological Evaluation of Nanocapsules Loaded with siRNA Targeting Estrogen Receptor Alpha. Biomacromolecules 2008; 9:2881-90. [DOI: 10.1021/bm800664c] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Céline Bouclier
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Laurence Moine
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Hervé Hillaireau
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Véronique Marsaud
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Elisabeth Connault
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Paule Opolon
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Patrick Couvreur
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Elias Fattal
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
| | - Jack-Michel Renoir
- Physico-Chimie, Pharmacotechnie, Biopharmacie, Université Paris-Sud, CNRS UMR 8612 and IFR 141, 5 rue Jean-Baptiste Clément, 92296 Châtenay-Malabry, France, and Institut Gustave Roussy, CNRS UNR 8121, Villejuif, France
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38
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Jin PY, Liu K, Ju Y, Zhao YF. Synthesis of Novel Steroidal Bioconjugates of Phospholipid with AZT. PHOSPHORUS SULFUR 2008. [DOI: 10.1080/10426500701764874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Pei-Yuan Jin
- a Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry , Tsinghua University , Beijing, P. R. China
| | - Kai Liu
- a Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry , Tsinghua University , Beijing, P. R. China
| | - Yong Ju
- a Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry , Tsinghua University , Beijing, P. R. China
| | - Yu-Fen Zhao
- a Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Ministry of Education, Department of Chemistry , Tsinghua University , Beijing, P. R. China
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39
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Vauthier C, Labarre D, Ponchel G. Design aspects of poly(alkylcyanoacrylate) nanoparticles for drug delivery. J Drug Target 2008; 15:641-63. [PMID: 18041633 DOI: 10.1080/10611860701603372] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Poly(alkylcyanoacrylate) (PACA) nanoparticles were first developed 25 years ago taking advantage of the in vivo degradation potential of the polymer and of its good acceptance by living tissues. Since then, various PACA nanoparticles were designed including nanospheres, oil-containing and water-containing nanocapsules. This made possible the in vivo delivery of many types of drugs including those presenting serious challenging delivery problems. PACA nanoparticles were proven to improve treatments of severe diseases like cancer, infections and metabolic disease. For instance, they can transport drugs across barriers allowing delivery of therapeutic doses in difficult tissues to reach including in the brain or in multidrug resistant cells. This review gives an update on the more recent developments and achievements on design aspects of PACA nanoparticles as delivery systems for various drugs to be administered in vivo by different routes of administration.
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40
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Pierigè F, Serafini S, Rossi L, Magnani M. Cell-based drug delivery. Adv Drug Deliv Rev 2008; 60:286-95. [PMID: 17997501 DOI: 10.1016/j.addr.2007.08.029] [Citation(s) in RCA: 189] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2007] [Accepted: 08/14/2007] [Indexed: 12/24/2022]
Abstract
Drug delivery has been greatly improved over the years by means of chemical and physical agents that increase bioavailability, improve pharmacokinetic and reduce toxicities. At the same time, cell based delivery systems have also been developed. These possesses a number of advantages including prolonged delivery times, targeting of drugs to specialized cell compartments and biocompatibility. Here we'll focus on erythrocyte-based drug delivery. These systems are especially efficient in releasing drugs in circulations for weeks, have a large capacity, can be easily processed and could accommodate traditional and biologic drugs. These carriers have also been used for delivering antigens and/or contrasting agents. Carrier erythrocytes have been evaluated in thousands of drug administration in humans proving safety and efficacy of the treatments. Erythrocyte-based delivery of new and conventional drugs is thus experiencing increasing interests in drug delivery and in managing complex pathologies especially when side effects could become serious issues.
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Affiliation(s)
- F Pierigè
- Institute of Biological Chemistry Giorgio Fornaini, University of Urbino Carlo Bo, Urbino, Italy
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41
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Ren Y, Wang G, Huang J. Preparation of Liquid-Core Nanocapsules from Poly[(ethylene oxide)-co-glycidol] with Multiple Hydrophobic Linoleates at an Oil−Water Interface and Its Encapsulation of Pyrene. Biomacromolecules 2007; 8:1873-80. [PMID: 17518441 DOI: 10.1021/bm0701797] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A convenient approach is provided to prepare liquid-core nanocapsules by cross-linking an amphiphilic copolymer at an oil-water interface. The hydrophilic copolymer poly[(ethylene oxide)-co-glycidol] was prepared by anionic polymerization of ethylene oxide and ethoxyethyl glycidyl ether first, then the hydroxyl groups on the backbone were recovered after hydrolysis and partly modified by hydrophobic conjugated linoleic acid. The copolymer with multiple linoleate pendants was absorbed at an oil-water interface and then cross-linked to form stable nanocapsules. The mean diameter of the nanocapsule was below 350 nm, and the size distribution was relatively narrow (<0.2) at low concentrations of oil in acetone (<10 mg/mL). The particle size could be tuned easily by variation of the emulsification conditions. The nanocapsule was stable in water for at least 5 months, and the shell maintained its integrity after removal of the oily core by solvent. Pyrene was encapsulated in these nanocapsules, and a loading efficiency as high as 94% was measured by UV spectroscopy.
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Affiliation(s)
- Yong Ren
- Key Laboratory of Molecular Engineering of Polymers, State Education Ministry of China, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
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