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Chiappini V, Conti C, Astolfi ML, Girelli AM. Characteristic study of Candida rugosa lipase immobilized on lignocellulosic wastes: effect of support material. Bioprocess Biosyst Eng 2024:10.1007/s00449-024-03096-z. [PMID: 39400575 DOI: 10.1007/s00449-024-03096-z] [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: 07/10/2024] [Accepted: 10/03/2024] [Indexed: 10/15/2024]
Abstract
For the first time is reported the comparison of solid biocatalysts derived from Candida rugosa lipase (CRL) immobilized on different lignocellulosic wastes (rice husk, brewer's spent grain, hemp tea waste, green tea waste, vine bark, and spent coffee grounds) focusing on the characterization of these materials and their impact on the lipase-support interaction. The wastes were subjected to meticulous characterization by ATR-FTIR, BET, and SEM analysis, besides lignin content and hydrophobicity determination. Investigating parameters influencing immobilization performance revealed the importance of morphology, textural properties, and hydrophobic interactions revealed the importance of morphology, textural properties and especially hydrophobic interactions which resulted in positive correlations between surface hydrophobicity and lipase immobilization efficiency. Hemp tea waste and spent coffee grounds demonstrated superior immobilization performances (7.20 U/g and 8.74 U/g immobilized activity, 102.3% and 33.5% efficiency, 13.4% and 15.4% recovery, respectively). Moreover, they demonstrated good temporal stability (100% and 92% residual activity after 120 days, respectively) and retained 100% of their immobilized activity after five reuses in the hydrolysis of p-nitrophenyl palmitate in hexane. In addition, the study of enzymatic desorption caused by ionic strength and detergent treatments indicated mixed hydrophobic and electrostatic interactions in rice husk, vine bark, and spent coffee grounds supports, while hemp tea waste and green tea waste were dominated by hydrophobic interactions.
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Affiliation(s)
- Viviana Chiappini
- Department of Chemistry, Sapienza University of Rome, P.Le A. Moro 5, 00185, Rome, Italy
| | - Camilla Conti
- Department of Chemistry, Sapienza University of Rome, P.Le A. Moro 5, 00185, Rome, Italy
| | - Maria Luisa Astolfi
- Department of Chemistry, Sapienza University of Rome, P.Le A. Moro 5, 00185, Rome, Italy
| | - Anna Maria Girelli
- Department of Chemistry, Sapienza University of Rome, P.Le A. Moro 5, 00185, Rome, Italy.
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Barros AS, Pinto S, Viegas J, Martins C, Almeida H, Alves I, Pinho S, Nunes R, Harris A, Sarmento B. Orally Delivered Stimulus-Sensitive Nanomedicine to Harness Teduglutide Efficacy in Inflammatory Bowel Disease. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402502. [PMID: 39007246 DOI: 10.1002/smll.202402502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 07/03/2024] [Indexed: 07/16/2024]
Abstract
Inflammatory Bowel Disease (IBD) is a chronic inflammatory condition affecting the gastrointestinal tract (GIT). Glucagon-like peptide-2 (GLP-2) analogs possess high potential in the treatment of IBD by enhancing intestinal repair and attenuating inflammation. Due to the enzymatic degradation and poor intestinal absorption, GLP-2 analogs are administered parenterally, which leads to poor patient compliance. This work aims to develop IBD-targeted nanoparticles (NPs) for the oral delivery of the GLP-2 analog, Teduglutide (TED). Leveraging the overproduction of Reactive Oxygen Species (ROS) in the IBD environment, ROS-sensitive NPs are developed to target the intestinal epithelium, bypassing the mucus barrier. PEGylation of NPs facilitates mucus transposition, but subsequent PEG removal is crucial for cellular internalization. This de-PEGylation is possible by including a ROS-sensitive thioketal linker within the system. ROS-sensitive NPs are established, with the ability to fully de-PEGylate via ROS-mediated cleavage. Encapsulation of TED into NPs resulted in the absence of absorption in 3D in vitro models, potentially promoting a localized action, and avoiding adverse effects due to systemic absorption. Upon oral administration to colitis-induced mice, ROS-sensitive NPs are located in the colon, displaying healing capacity and reducing inflammation. Cleavable PEGylated NPs demonstrate effective potential in managing IBD symptoms and modulating the disease's progression.
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Affiliation(s)
- Andreia S Barros
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- ICBAS- Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, 4050-313, Portugal
| | - Soraia Pinto
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- ICBAS- Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, 4050-313, Portugal
| | - Juliana Viegas
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
| | - Claúdia Martins
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
| | - Helena Almeida
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- ICBAS- Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, 4050-313, Portugal
| | - Inês Alves
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
| | - Salomé Pinho
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- ICBAS- Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, 4050-313, Portugal
- FMUP- Faculty of Medicine, University of Porto, Porto, 4200-319, Portugal
| | - Rute Nunes
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- IUCS-CESPU-Instituto Universitário de Ciências das Saúde, Porto, 4585-116, Portugal
| | - Alan Harris
- Ferring Pharmaceuticals, 1162-Saint-Prex, SA Chemin de la Vergognausaz 50, Switzerland
| | - Bruno Sarmento
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, 4200-135, Portugal
- IUCS-CESPU-Instituto Universitário de Ciências das Saúde, Porto, 4585-116, Portugal
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Nogueira SS, Samaridou E, Simon J, Frank S, Beck-Broichsitter M, Mehta A. Analytical techniques for the characterization of nanoparticles for mRNA delivery. Eur J Pharm Biopharm 2024; 198:114235. [PMID: 38401742 DOI: 10.1016/j.ejpb.2024.114235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/22/2024] [Accepted: 02/14/2024] [Indexed: 02/26/2024]
Abstract
Nanotechnology-assisted RNA delivery has gotten a tremendous boost over the last decade and made a significant impact in the development of life-changing vaccines and therapeutics. With increasing numbers of emerging lipid- and polymer-based RNA nanoparticles progressing towards the clinic, it has become apparent that the safety and efficacy of these medications depend on the comprehensive understanding of their critical quality attributes (CQAs). However, despite the rapid advancements in the field, the identification and reliable quantification of CQAs remain a significant challenge. To support these efforts, this review aims to summarize the present knowledge on CQAs based on the regulatory guidelines and to provide insights into the available analytical characterization techniques for RNA-loaded nanoparticles. In this context, routine and emerging analytical techniques are categorized and discussed, focusing on the operation principle, strengths, and potential limitations. Furthermore, the importance of complementary and orthogonal techniques for the measurement of CQAs is discussed in order to ensure the quality and consistency of analytical methods used, and address potential technique-based differences.
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Li H, Dai F, Liu H, Tao Q, Hu J, Zhang Y, Xiao Z, Rupenthal ID, Li H, Yang F, Li W, Lin H, Hou D. Physicochemical properties and micro-interaction between micro-nanoparticles and anterior corneal multilayer biological interface film for improving drug delivery efficacy: the transformation of tear film turnover mode. Drug Deliv 2023; 30:2184312. [PMID: 36866574 PMCID: PMC9987732 DOI: 10.1080/10717544.2023.2184312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Recently, various novel drug delivery systems have been developed to overcome ocular barriers in order to improve drug efficacy. We have previously reported that montmorillonite (MT) microspheres (MPs) and solid lipid nanoparticles (SLNs) loaded with the anti-glaucoma drug betaxolol hydrochloride (BHC) exhibited sustained drug release and thus intraocular pressure (IOP) lowering effects. Here, we investigated the effect of physicochemical particle parameters on the micro-interactions with tear film mucins and corneal epithelial cells. Results showed that the MT-BHC SLNs and MT-BHC MPs eye drops significantly prolonged the precorneal retention time due to their higher viscosity and lower surface tension and contact angle compared with the BHC solution, with MT-BHC MPs exhibiting the longest retention due to their stronger hydrophobic surface. The cumulative release of MT-BHC SLNs and MT-BHC MPs was up to 87.78% and 80.43% after 12 h, respectively. Tear elimination pharmacokinetics study further confirmed that the prolonged precorneal retention time of the formulations was due to the micro-interaction between the positively charged formulations and the negatively charged tear film mucins. Moreover, the area under the IOP reduction curve (AUC) of MT-BHC SLNs and MT-BHC MPs was 1.4 and 2.5 times that of the BHC solution. Accordingly, the MT-BHC MPs also exhibit the most consistent and long-lasting IOP-lowering effect. Ocular irritation experiments showed no significant toxicity of either. Taken together, MT MPs may have the potential for more effective glaucoma treatment.
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Affiliation(s)
- Huamei Li
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Fuda Dai
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Hanyu Liu
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Qi Tao
- CAS Key Laboratory of Mineralogy and Metallogeny & Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guangzhou, P.R. China
| | - Jie Hu
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Yangrong Zhang
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Zhenping Xiao
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Ilva D Rupenthal
- Buchanan Ocular Therapeutics Unit, Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Huihui Li
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Fan Yang
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Wei Li
- Guangzhou Institute for Drug Control, Guangzhou, P.R. China
| | - Huaqing Lin
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Dongzhi Hou
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
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Voci S, Pangua C, Martínez-Ohárriz MC, Aranaz P, Collantes M, Irache JM, Cosco D. Gliadin nanoparticles for oral administration of bioactives: Ex vivo and in vivo investigations. Int J Biol Macromol 2023; 249:126111. [PMID: 37541472 DOI: 10.1016/j.ijbiomac.2023.126111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
This study aims to provide a thorough characterization of Brij O2-stabilized gliadin nanoparticles to be used for the potential oral administration of various compounds. Different techniques were used in order to evaluate their physico-chemical features and then in vivo studies in rats were performed for the investigation of their biodistribution and gastrointestinal transit profiles. The results showed that the gliadin nanoparticles accumulated in the mucus layer of the bowel mucosa and evidenced their ability to move along the digestive systems of the animals. The incubation of the nanosystems with Caenorhabditis elegans, used as an additional in vivo model, confirmed the intake of the particles and evidenced their presence along the entire gastrointestinal tract of these nematodes. The gliadin nanoparticles influenced neither the egg-laying activity of the worms nor their metabolism of lipids up to 10 μg/mL of nanoformulation. The systems decreased the content of the age-related lipofuscin pigment in the nematodes in a dose-dependent manner, demonstrating a certain antioxidant activity. Lastly, dihydroethidium staining showed the absence of oxidative stress upon incubation of the worms together with the formulations, confirming their safe profile. This data paves the way for the future application of the proposed nanosystems regarding the oral delivery of various bioactives.
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Affiliation(s)
- Silvia Voci
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", 88100 Catanzaro, Italy
| | - Cristina Pangua
- Department of Chemistry and Pharmaceutical Technology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain
| | | | - Paula Aranaz
- Center for Nutrition Research, School of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
| | - Maria Collantes
- Translational Molecular Imaging Unit (UNIMTRA), Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain
| | - Juan M Irache
- Department of Chemistry and Pharmaceutical Technology, University of Navarra, C/Irunlarrea 1, 31008 Pamplona, Spain.
| | - Donato Cosco
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Campus Universitario "S. Venuta", 88100 Catanzaro, Italy.
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Raab M, Skripka A, Bulmahn J, Pliss A, Kuzmin A, Vetrone F, Prasad P. Decoupled Rare-Earth Nanoparticles for On-Demand Upconversion Photodynamic Therapy and High-Contrast Near Infrared Imaging in NIR IIb. ACS APPLIED BIO MATERIALS 2022; 5:4948-4954. [PMID: 36153945 DOI: 10.1021/acsabm.2c00675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Rare-earth doped multi-shell nanoparticles slated for theranostic applications produce a variety of emission bands upon near-infrared (NIR) excitation. Their downshifting emission is useful for high-contrast NIR imaging, while the upconversion light can induce photodynamic therapy (PDT). Unfortunately, integration of imaging and therapy is challenging. These modalities are better to be controlled independently so that, with the help of imaging, selective delivery of a theranostic agent at the site of interest could be ensured prior to on-demand PDT initiation. We introduce here multi-shell rare-earth doped nanoparticles (RENPs) arranged in a manner to produce only downshifting emission for NIR imaging when excited at one NIR wavelength and upconversion emission for therapeutic action by using a different excitation wavelength. In this work, multi-shell RENPs with a surface-bound sensitizer have been synthesized for decoupled 1550 nm downshifting emission upon 800 nm excitation and 550 nm upconversion emission caused by 980 nm irradiation. The independently controlled emission bands allow for high-contrast NIR imaging in NIR-IIb of optical transparency that gives high-contrast images due to significantly reduced light scattering. This can be conducted prior to PDT using 980 nm to produce upconverted light at 550 nm that excites the RENP surface-bound photosensitizer, Rose Bengal (RB), to effect photodynamic therapy with high specificity and safer theranostics.
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Affiliation(s)
- Micah Raab
- Institute for Lasers, Photonics, and Biophotonics, University at Buffalo (SUNY), Buffalo, New York 14260-4200, United States
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Artiom Skripka
- Centre Énergie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique, Université du Québec, Varennes (Montréal), Quebec J3X 1P7, Canada
| | - Julia Bulmahn
- Institute for Lasers, Photonics, and Biophotonics, University at Buffalo (SUNY), Buffalo, New York 14260-4200, United States
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Artem Pliss
- Institute for Lasers, Photonics, and Biophotonics, University at Buffalo (SUNY), Buffalo, New York 14260-4200, United States
| | - Andrey Kuzmin
- Institute for Lasers, Photonics, and Biophotonics, University at Buffalo (SUNY), Buffalo, New York 14260-4200, United States
| | - Fiorenzo Vetrone
- Centre Énergie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique, Université du Québec, Varennes (Montréal), Quebec J3X 1P7, Canada
| | - Paras Prasad
- Institute for Lasers, Photonics, and Biophotonics, University at Buffalo (SUNY), Buffalo, New York 14260-4200, United States
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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Lin KY, Tsay YG, Chang CA. Effects of polyallylamine-coated nanoparticles on the optical and photochemical properties of rose bengal. J Chin Med Assoc 2022; 85:901-908. [PMID: 35666599 DOI: 10.1097/jcma.0000000000000762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Inasmuch as optical and photochemical properties of a photosensitizer can be modified upon association with the nanoparticle (NP), we wondered whether the effectiveness of phototherapeutic rose bengal (RB) was affected upon tethering to the sodium lanthanide fluoride NP with an outer polyallylamine (PAH) coat. METHODS RB molecules were electrostatically bound to the NaYF 4 :Gd 3+ :Nd 3+ NPs with inner silica and outer PAH coats. The products were analyzed for their size, shape and zeta potential using transmission electron microscopy and dynamic light scattering instrument. Ultraviolet-visible absorption spectrometry and fluorescence spectrometry were used to examine the spectral properties. Photodynamic effect in terms of singlet oxygen generation was quantitatively determined using the indicator 1,3-diphenylisobenzofuran (DPBF). Photocytotoxicity mediated by NP-bound RB was tested using A549 cells (Student's t test was used for statistical evaluation). RESULTS NP-bound RB had the major absorbance peak at 561 nm, in comparison with 549 nm for free RB, accompanied with a significant decrease in absorptivity. The molar extinction coefficient becomes 36 000 M -1 cm -1 , only ~35% of that for free RB. Fluorescence spectral analyses showed a paradoxical decrease in the emission with higher NP concentrations even at very low dilutions. Most importantly, the association of RB with these NPs drastically increased its singlet oxygen production upon irradiation. The interaction of RB with PAH coat could partly account for this enhancement, given our finding that PAH in solution also caused a drastic rise in DPBF reactivity by free RB. These NPs exhibited strong photocytotoxic effects, and their promise in photodynamic therapy was addressed. CONCLUSION Our findings provide evidence that the PAH coat plays a key role in enhanced biological activities of RB delivered via NPs, including the increase in singlet oxygen production and photocytotoxic effects.
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Affiliation(s)
- Kai-Ying Lin
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yeou-Guang Tsay
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Institute of Biochemistry & Molecular Biology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Metabolomics-Proteomics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - C Allen Chang
- Metabolomics-Proteomics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Biomedical Engineering Research and Development Center (BERDC), National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Biophotonics & Molecular Imaging Research Center (BMIRC), National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
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Taylor N, Ma W, Kristopeit A, Wang SC, Zydney AL. Evaluating Nanoparticle Hydrophobicity Using Analytical Membrane Hydrophobic Interaction Chromatography. Anal Chem 2022; 94:8668-8673. [PMID: 35675206 DOI: 10.1021/acs.analchem.2c00710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nanoparticle hydrophobicity is a key factor controlling the stability, adhesion, and transport of nanoparticle suspensions. Although a number of approaches have been presented for evaluating nanoparticle hydrophobicity, these methods are difficult to apply to larger nanoparticles and viruses (>100 nm in size) that are of increasing importance in drug delivery and gene therapy. This study investigated the use of a new analytical hydrophobic interaction chromatography method employing a 5.0 μm pore size polyvinylidene fluoride membrane as the stationary-phase in membrane hydrophobic interaction chromatography (MHIC). Experimental data obtained using a series of model proteins were in good agreement with literature values for the hydrophobicity (both experimental and computational). MHIC was then used to evaluate the hydrophobicity of a variety of nanoparticles, including a live attenuated viral vaccine, both in water and in the presence of different surfactants. This new method can be implemented on any liquid chromatography system, run times are typically <20 min, and the experiments avoid the use of organic solvents that could alter the structure of many biological nanoparticles.
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Affiliation(s)
- Neil Taylor
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Wanli Ma
- Vaccine Process Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Adam Kristopeit
- Vaccine Process Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Sheng-Ching Wang
- Vaccine Process Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Andrew L Zydney
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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Physicochemical and biopharmaceutical aspects influencing skin permeation and role of SLN and NLC for skin drug delivery. Heliyon 2022; 8:e08938. [PMID: 35198788 PMCID: PMC8851252 DOI: 10.1016/j.heliyon.2022.e08938] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 01/30/2022] [Accepted: 02/08/2022] [Indexed: 12/28/2022] Open
Abstract
The skin is a complex and multifunctional organ, in which the static versus dynamic balance is responsible for its constant adaptation to variations in the external environment that is continuously exposed. One of the most important functions of the skin is its ability to act as a protective barrier, against the entry of foreign substances and against the excessive loss of endogenous material. Human skin imposes physical, chemical and biological limitations on all types of permeating agents that can cross the epithelial barrier. For a molecule to be passively permeated through the skin, it must have properties, such as dimensions, molecular weight, pKa and hydrophilic-lipophilic gradient, appropriate to the anatomy and physiology of the skin. These requirements have limited the number of commercially available products for dermal and transdermal administration of drugs. To understand the mechanisms involved in the drug permeation process through the skin, the approach should be multidisciplinary in order to overcome biological and pharmacotechnical barriers. The study of the mechanisms involved in the permeation process, and the ways to control it, can make this route of drug administration cease to be a constant promise and become a reality. In this work, we address the physicochemical and biopharmaceutical aspects encountered in the pathway of drugs through the skin, and the potential added value of using solid lipid nanoparticles (SLN) and nanostructured lipid vectors (NLC) to drug permeation/penetration through this route. The technology and architecture for obtaining lipid nanoparticles are described in detail, namely the composition, production methods and the ability to release pharmacologically active substances, as well as the application of these systems in the vectorization of various pharmacologically active substances for dermal and transdermal applications. The characteristics of these systems in terms of dermal application are addressed, such as biocompatibility, occlusion, hydration, emollience and the penetration of pharmacologically active substances. The advantages of using these systems over conventional formulations are described and explored from a pharmaceutical point of view.
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Zein-Based Nanoparticles as Oral Carriers for Insulin Delivery. Pharmaceutics 2021; 14:pharmaceutics14010039. [PMID: 35056935 PMCID: PMC8779360 DOI: 10.3390/pharmaceutics14010039] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 12/25/2022] Open
Abstract
Zein, the major storage protein from corn, has a GRAS (Generally Regarded as Safe) status and may be easily transformed into nanoparticles, offering significant payloads for protein materials without affecting their stability. In this work, the capability of bare zein nanoparticles (mucoadhesive) and nanoparticles coated with poly(ethylene glycol) (mucus-permeating) was evaluated as oral carriers of insulin (I-NP and I-NP-PEG, respectively). Both nanocarriers displayed sizes of around 270 nm, insulin payloads close to 80 µg/mg and did not induce cytotoxic effects in Caco-2 and HT29-MTX cell lines. In Caenorhabditis elegans, where insulin decreases fat storage, I-NP-PEG induced a higher reduction in the fat content than I-NP and slightly lower than the control (Orlistat). In diabetic rats, nanoparticles induced a potent hypoglycemic effect and achieved an oral bioavailability of 4.2% for I-NP and 10.2% for I-NP-PEG. This superior effect observed for I-NP-PEG would be related to their capability to diffuse through the mucus layer and reach the surface of enterocytes (where insulin would be released), whereas the mucoadhesive I-NP would remain trapped in the mucus, far away from the absorptive epithelium. In summary, PEG-coated zein nanoparticles may be an interesting device for the effective delivery of proteins through the oral route.
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Kalave S, Chatterjee B, Shah P, Misra A. Transdermal Delivery of Macromolecules Using Nano Lipid Carriers. Curr Pharm Des 2021; 27:4330-4340. [PMID: 34414868 DOI: 10.2174/1381612827666210820095330] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/28/2021] [Indexed: 11/22/2022]
Abstract
Skin being the largest external organ, offers an appealing procedure for transdermal drug delivery, so the drug needs to reach above the outermost layer of the skin, i.e., stratum corneum. Small molecular drug entities obeying the Lipinski rule, i.e., drugs having a molecular weight less than 500 Da, high lipophilicity, and optimum polarity, are favored enough to be used on the skin as therapeutics. Skin's barrier properties prevent the transport of macromolecules at pre-determined therapeutic rates. Notable advancements in macromolecules' transdermal delivery have occurred in recent years. Scientists have opted for liposomes, the use of electroporation, low-frequency ultrasound techniques, etc. Some of these have shown better delivery of macromolecules at clinically beneficial rates. These physical technologies involve complex mechanisms, which may irreversibly incur skin damage. Majorly, two types of lipid-based formulations, including Solid Lipid Nanoparticles (SLNs) and Nanostructured Lipid Carriers (NLCs), are widely investigated as transdermal delivery systems. In this review, the concepts, mechanisms, and applications of nanostructured lipid carriers used to transport macromolecules via transdermal routes are thoroughly reviewed and presented along with their clinical perspective.
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Affiliation(s)
- Sana Kalave
- SVKM's NMIMS, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, Mumbai, India
| | - Bappaditya Chatterjee
- SVKM's NMIMS, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, Mumbai, India
| | - Parth Shah
- SVKM's NMIMS, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, Mumbai, India
| | - Ambikanandan Misra
- SVKM's NMIMS, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, Mumbai, India
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12
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Waggoner LE, Madias MI, Hurtado AA, Kwon EJ. Pharmacokinetic Analysis of Peptide-Modified Nanoparticles with Engineered Physicochemical Properties in a Mouse Model of Traumatic Brain Injury. AAPS JOURNAL 2021; 23:100. [PMID: 34401968 PMCID: PMC8367032 DOI: 10.1208/s12248-021-00626-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/13/2021] [Indexed: 12/31/2022]
Abstract
Peptides are used to control the pharmacokinetic profiles of nanoparticles due to their ability to influence tissue accumulation and cellular interactions. However, beyond the study of specific peptides, there is a lack of understanding of how peptide physicochemical properties affect nanoparticle pharmacokinetics, particularly in the context of traumatic brain injury (TBI). We engineered nanoparticle surfaces with peptides that possess a range of physicochemical properties and evaluated their distribution after two routes of administration: direct injection into a healthy mouse brain and systemic delivery in a mouse model of TBI. In both administration routes, we found that peptide-modified nanoparticle pharmacokinetics were influenced by the charge characteristics of the peptide. When peptide-modified nanoparticles are delivered directly into the brain, nanoparticles modified with positively charged peptides displayed restricted distribution from the injection site compared to nanoparticles modified with neutral, zwitterionic, or negatively charged peptides. After intravenous administration in a TBI mouse model, positively charged peptide-modified nanoparticles accumulated more in off-target organs, including the heart, lung, and kidneys, than zwitterionic, neutral, or negatively charged peptide-modified nanoparticles. The increase in off-target organ accumulation of positively charged peptide-modified nanoparticles was concomitant with a relative decrease in accumulation in the injured brain compared to zwitterionic, neutral, or negatively charged peptide-modified nanoparticles. Understanding how nanoparticle pharmacokinetics are influenced by the physicochemical properties of peptides presented on the nanoparticle surface is relevant to the development of nanoparticle-based TBI therapeutics and broadly applicable to nanotherapeutic design, including synthetic nanoparticles and viruses.
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Affiliation(s)
- Lauren E Waggoner
- Department of Nanoengineering, University of California San Diego, La Jolla , CA , USA
| | - Marianne I Madias
- Department of Bioengineering, University of California San Diego, La Jolla , USA, CA
| | - Alan A Hurtado
- Department of Bioengineering, University of California San Diego, La Jolla , USA, CA
| | - Ester J Kwon
- Department of Bioengineering, University of California San Diego, La Jolla , USA, CA .
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13
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Gordillo-Galeano A, Ponce A, Mora-Huertas CE. Surface structural characteristics of some colloidal lipid systems used in pharmaceutics. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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14
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Martínez-López AL, González-Navarro CJ, Aranaz P, Vizmanos JL, Irache JM. In vivo testing of mucus-permeating nanoparticles for oral insulin delivery using Caenorhabditis elegans as a model under hyperglycemic conditions. Acta Pharm Sin B 2021; 11:989-1002. [PMID: 33996411 PMCID: PMC8105877 DOI: 10.1016/j.apsb.2021.02.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/18/2020] [Accepted: 01/06/2021] [Indexed: 10/31/2022] Open
Abstract
The aim was to evaluate the potential of mucus-permeating nanoparticles for the oral administration of insulin. These nanocarriers, based on the coating of zein nanoparticles with a polymer conjugate containing PEG, displayed a size of 260 nm with a negative surface charge and an insulin payload of 77 μg/mg. In intestinal pig mucus, the diffusivity of these nanoparticles (PPA-NPs) was found to be 20-fold higher than bare nanoparticles (NPs). These results were in line with the biodistribution study in rats, in which NPs remained trapped in the mucus, whereas PPA-NPs were able to cross this layer and reach the epithelium surface. The therapeutic efficacy was evaluated in Caenorhabditis elegans grown under high glucose conditions. In this model, worms treated with insulin-loaded in PPA-NPs displayed a longer lifespan than those treated with insulin free or nanoencapsulated in NPs. This finding was associated with a significant reduction in the formation of reactive oxygen species (ROS) as well as an important decrease in the glucose and fat content in worms. These effects would be related with the mucus-permeating ability of PPA-NPs that would facilitate the passage through the intestinal peritrophic-like dense layer of worms (similar to mucus) and, thus, the absorption of insulin.
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Key Words
- 1H NMR, 1H nuclear magnetic resonance
- Biodistribution
- Caenorhabditis elegans
- DAPI, 4ʹ,6-diamidino-2-phenylindole
- Deff, effective diffusion coefficient
- EDC, N-(3-di-methylaminopropyl)-Nʹ-ethylcarbodiimide
- Epithelium
- FT-IR, Fourier transform infrared spectroscopy
- FUdR, 5-fluoro-2′-deoxyuridine
- GIT, gastrointestinal tract
- H2DCF-DA, 2,7′-dichlorodihydro fluorescein diacetate
- HPLC, high-performance liquid chromatography
- I, insulin
- IIS, insulin/IGF-1 signaling
- Insulin
- Lifespan
- MSD, mean square displacement
- Mucus-permeating
- NGM, nematode growth medium
- NPs, nanoparticles
- Nanoparticles
- ORL, orlistat
- Oral delivery
- PBST, phosphate-buffered saline with triton
- PDI, polydispersity index
- PEG, poly(ethylene glycol)
- PPA, PEG-poly(anhydride) conjugate
- PPA-NPs, PEG-poly(anhydride)-coated zein nanoparticles
- ROS
- ROS, reactive oxygen species
- SEM, scanning electron microscopy
- SOD, superoxide dismutase
- THF, tetrahydrofuran
- Zein
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15
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Liu S, Han X, Liu H, Zhao Y, Li H, D Rupenthal I, Lv Z, Chen Y, Yang F, Ping Q, Pan Y, Hou D. Incorporation of ion exchange functionalized-montmorillonite into solid lipid nanoparticles with low irritation enhances drug bioavailability for glaucoma treatment. Drug Deliv 2021; 27:652-661. [PMID: 32347126 PMCID: PMC7241551 DOI: 10.1080/10717544.2020.1756984] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Montmorillonite-loaded solid lipid nanoparticles with good biocompatibility, using Betaxolol hydrochloride as model drug, were prepared by the melt-emulsion sonication and low temperature-solidification methods and drug bioavailability was significantly improved in this paper for the first time to application to the eye. The appropriate physical characteristics were showed, such as the mean particle size, Zeta potential, osmotic pressure, pH values, entrapping efficiency (EE%) and drug content (DC%), all showed well suited for possible ocular application. In vitro release experiment indicated that this novel system could continuously release 57.83% drugs within 12 h owing to the dual drug controlled-release effect that was achieved by ion-exchange feature of montmorillonite and structure of solid lipid nanoparticles. Low irritability and good compatibility of nanoparticles were proved by both CAM-TBS test and cytotoxicity experiment. We first discovered from the results of Rose Bengal experiment that the hydrophilicity of the drug-loaded nanoparticles surface was increased during the loading and releasing of the hydrophilic drug, which could contribute to prolong the ocular surface retention time of drug in the biological interface membrane of tear-film/cornea. The results of in vivo pharmacokinetic and pharmacodynamics studies further confirmed that increased hydrophilicity of nanoparticles surface help to improve the bioavailability of the drug and reduce intraocular pressure during administration. The results suggested this novel drug delivery system could be potentially used as an in situ drug controlled-release system for ophthalmic delivery to enhance the bioavailability and efficacy.
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Affiliation(s)
- Shuo Liu
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Xinyue Han
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Hanyu Liu
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Yawen Zhao
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Huamei Li
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Ilva D Rupenthal
- Buchanan Ocular Therapeutics Unit, Department of Ophthalmology, New Zealand National Eye Center, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Zhufen Lv
- Guangdong Engineering and Technology Research Center of Topical Precise Drug Delivery System, College of Pharmacy, Department of Pharmaceutics, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Yanzhong Chen
- Guangdong Engineering and Technology Research Center of Topical Precise Drug Delivery System, College of Pharmacy, Department of Pharmaceutics, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Fan Yang
- Guangdong Engineering and Technology Research Center of Topical Precise Drug Delivery System, College of Pharmacy, Department of Pharmaceutics, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Qineng Ping
- College of Pharmacy, China Pharmaceutical University, Nanjing, PR China
| | - Yufang Pan
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
| | - Dongzhi Hou
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, PR China
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16
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Miskeen S, Hong JS, Choi HD, Kim JY. Fabrication of citric acid-modified starch nanoparticles to improve their thermal stability and hydrophobicity. Carbohydr Polym 2021; 253:117242. [DOI: 10.1016/j.carbpol.2020.117242] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 10/07/2020] [Accepted: 10/11/2020] [Indexed: 01/07/2023]
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17
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Reboredo C, González-Navarro CJ, Martínez-Oharriz C, Martínez-López AL, Irache JM. Preparation and evaluation of PEG-coated zein nanoparticles for oral drug delivery purposes. Int J Pharm 2021; 597:120287. [PMID: 33524523 DOI: 10.1016/j.ijpharm.2021.120287] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/16/2021] [Accepted: 01/17/2021] [Indexed: 11/29/2022]
Abstract
The aim was to produce PEG-coated nanoparticles (NP-PEG), with mucus-permeating properties, for oral drug delivery purposes by using simple procedures and regulatory-approved compounds in order to facilitate a potential clinical development. For this purpose, zein nanoparticles were prepared by desolvation and, then, coated by incubation with PEG 35,000. The resulting nanocarriers displayed a mean size of about 200 nm and a negative zeta potential. The presence of PEG on the surface of nanoparticles was evidenced by electron microscopy and confirmed by FTIR analysis. Likely, the hydrophobic surface of zein nanoparticles (NP) was significantly reduce by their coating with PEG. This increase of the hydrophilicity of PEG-coated nanoparticles was associated with an important increase of their mobility in pig intestinal mucus. In laboratory animals, NP-PEG (fluorescently labelled with Lumogen® Red 305) displayed a different behavior when compared with bare nanoparticles. After oral administration, NP appeared to be trapped in the mucus mesh, whereas NP-PEG were capable of crossing the protective mucus layer and reach the epithelium. Finally, PEG-coated zein nanoparticles, prepared by a simple and reproducible method without employing reactive reagents, may be adequate carriers for promoting the oral bioavailability of biomacromolecules and other biologically active compounds with low permeability properties.
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Affiliation(s)
- C Reboredo
- Department of Chemistry and Pharmaceutical Technology, University of Navarra, C/ Irunlarrea 1, 31008 Pamplona, Spain
| | - C J González-Navarro
- Centre for Nutrition Research, University of Navarra, C/ Irunlarrea 1, 31008 Pamplona, Spain
| | - C Martínez-Oharriz
- Department of Chemistry, University of Navarra, C/ Irunlarrea 1, 31008 Pamplona, Spain
| | - A L Martínez-López
- Department of Chemistry and Pharmaceutical Technology, University of Navarra, C/ Irunlarrea 1, 31008 Pamplona, Spain
| | - J M Irache
- Department of Chemistry and Pharmaceutical Technology, University of Navarra, C/ Irunlarrea 1, 31008 Pamplona, Spain.
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18
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Martínez-López AL, González-Navarro CJ, Vizmanos JL, Irache JM. Zein-based nanocarriers for the oral delivery of insulin. In vivo evaluation in Caenorhabditis elegans. Drug Deliv Transl Res 2021; 11:647-658. [PMID: 33515186 DOI: 10.1007/s13346-021-00919-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2021] [Indexed: 01/18/2023]
Abstract
The aim was to evaluate the potential of nanocarriers, based on the coating of zein nanoparticles (ZNP) with a Gantrez® AN-PEG conjugate (GP), for the oral delivery of insulin. ZNP-GP displayed less negative surface charge and a 14-fold higher diffusion coefficient in pig intestinal mucus than ZNP. Both nanoparticles showed a spherical shape and an insulin load of 77.5 µg/mg. Under simulated gastric conditions, ZNP-GP released significantly lower amount of insulin than ZNP, while under simulated intestinal conditions, both types of nanoparticles displayed similar behaviour. In Caenorhabditis elegans wild-type N2, grown under high glucose conditions, insulin treatments reduced glucose and fat accumulation without altering the growth rate, the worm length, or the pumping rate. The effect was significantly greater (p < 0.001) when insulin was nanoencapsulated in ZNP-GP compared with that encapsulated in ZNP or formulated in solution. This would be related to the highest capability of ZNP-GP to diffuse in the dense peritrophic-like layer covering intestinal cells in worms. In daf-2 mutants, the effect on fat and glucose reduction by insulin treatment was suppressed, indicating a DAF-2 dependent mechanism. In summary, ZNP-GP is a promising platform that may offer new opportunities for the oral delivery of insulin and other therapeutic proteins.
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Affiliation(s)
- Ana L Martínez-López
- NANO-VAC Research Group, Department of Chemistry and Pharmaceutical Technology, School of Pharmacy and Nutrition, University of Navarra, 31080, Pamplona, Spain
| | - Carlos J González-Navarro
- Center for Nutrition Research, School of Pharmacy and Nutrition, University of Navarra, 31080, Pamplona, Spain
| | - José L Vizmanos
- Department of Biochemistry & Genetics, School of Science, University of Navarra, 31080, Pamplona, Spain.,Navarra Institute for Health Research (IdiSNA), 31080, Pamplona, Spain
| | - Juan M Irache
- NANO-VAC Research Group, Department of Chemistry and Pharmaceutical Technology, School of Pharmacy and Nutrition, University of Navarra, 31080, Pamplona, Spain.
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19
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Buzyurova DN, Pashirova TN, Zueva IV, Burilova EA, Shaihutdinova ZM, Rizvanov IK, Babaev VM, Petrov KA, Souto EB. Surface modification of pralidoxime chloride-loaded solid lipid nanoparticles for enhanced brain reactivation of organophosphorus-inhibited AChE: Pharmacokinetics in rat. Toxicology 2020; 444:152578. [DOI: 10.1016/j.tox.2020.152578] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/22/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022]
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20
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Witika BA, Makoni PA, Matafwali SK, Chabalenge B, Mwila C, Kalungia AC, Nkanga CI, Bapolisi AM, Walker RB. Biocompatibility of Biomaterials for Nanoencapsulation: Current Approaches. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1649. [PMID: 32842562 PMCID: PMC7557593 DOI: 10.3390/nano10091649] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/05/2020] [Accepted: 08/09/2020] [Indexed: 12/12/2022]
Abstract
Nanoencapsulation is an approach to circumvent shortcomings such as reduced bioavailability, undesirable side effects, frequent dosing and unpleasant organoleptic properties of conventional drug delivery systems. The process of nanoencapsulation involves the use of biomaterials such as surfactants and/or polymers, often in combination with charge inducers and/or ligands for targeting. The biomaterials selected for nanoencapsulation processes must be as biocompatible as possible. The type(s) of biomaterials used for different nanoencapsulation approaches are highlighted and their use and applicability with regard to haemo- and, histocompatibility, cytotoxicity, genotoxicity and carcinogenesis are discussed.
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Affiliation(s)
- Bwalya A. Witika
- Division of Pharmaceutics, Faculty of Pharmacy, Rhodes University, Makhanda 6140, South Africa; (B.A.W.); (P.A.M.)
| | - Pedzisai A. Makoni
- Division of Pharmaceutics, Faculty of Pharmacy, Rhodes University, Makhanda 6140, South Africa; (B.A.W.); (P.A.M.)
| | - Scott K. Matafwali
- Department of Basic Sciences, School of Medicine, Copperbelt University, Ndola 10101, Zambia;
| | - Billy Chabalenge
- Department of Market Authorization, Zambia Medicines Regulatory Authority, Lusaka 10101, Zambia;
| | - Chiluba Mwila
- Department of Pharmacy, School of Health Sciences, University of Zambia, Lusaka 10101, Zambia; (C.M.); (A.C.K.)
| | - Aubrey C. Kalungia
- Department of Pharmacy, School of Health Sciences, University of Zambia, Lusaka 10101, Zambia; (C.M.); (A.C.K.)
| | - Christian I. Nkanga
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmaceutical Sciences, University of Kinshasa, P.O. Box 212, Kinshasa XI, Democratic Republic of the Congo;
| | - Alain M. Bapolisi
- Department of Chemistry, Faculty of Science, Rhodes University, Makhanda 6140, South Africa;
| | - Roderick B. Walker
- Division of Pharmaceutics, Faculty of Pharmacy, Rhodes University, Makhanda 6140, South Africa; (B.A.W.); (P.A.M.)
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21
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Azman N'A, Bekale L, Nguyen TX, Kah JCY. Polyelectrolyte stiffness on gold nanorods mediates cell membrane damage. NANOSCALE 2020; 12:14021-14036. [PMID: 32579657 DOI: 10.1039/d0nr03288c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Charge and surface chemistry of gold nanorods (AuNRs) are often considered the predictive factors for cell membrane damage. Unfortunately, extensive research on AuNR passivated with polyelectrolyte (PE) ligand shell (AuNR-PE) has hitherto left a vital knowledge gap between the mechanical stability of the ligand shell and the cytotoxicity of AuNR-PEs. Here, the agreement between unbiased coarse-grained molecular dynamics (CGMD) simulation and empirical outcomes on hemolysis of red blood cells by AuNR-PEs demonstrates for the first time, a direct impact of the mechanical stability of the PE shell passivating the AuNRs on the lipid membrane rupture. Such mechanical stability is ultimately modulated by the rigidity of the PE components. The CGMD simulation results also reveal the mechanism where the PE chain adsorbs near the surface of the lipid bilayer without penetrating the hydrophobic core of the bilayer, which allows the hydrophobic AuNR core to be in direct contact with the hydrophobic interior of the lipid bilayer, thereby perforating the lipid membrane to induce membrane damage.
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Affiliation(s)
- Nurul 'Ain Azman
- Department of Biomedical Engineering, National University of Singapore, Singapore.
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22
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Crandon LE, Boenisch KM, Harper BJ, Harper SL. Adaptive methodology to determine hydrophobicity of nanomaterials in situ. PLoS One 2020; 15:e0233844. [PMID: 32492068 PMCID: PMC7269256 DOI: 10.1371/journal.pone.0233844] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 05/13/2020] [Indexed: 12/13/2022] Open
Abstract
The hydrophobicity of nanoparticles (NPs) is a key property determining environmental fate, biological partitioning and toxicity. However, methods to characterize surface hydrophobicity are not uniformly applied to NPs and cannot quantify surface changes in complex environments. Existing methods designed to evaluate the hydrophobicity of bulk solids, chemicals, and proteins have significant limitations when applied to NPs. In this study, we modified and evaluated two methods to determine the hydrophobicity of NPs, hydrophobic interaction chromatography (HIC) and dye adsorption, and compared them to the standard octanol-water partitioning protocol for chemicals. Gold, copper oxide, silica, and amine-functionalized silica NPs were used to evaluate methods based on their applicability to NPs that agglomerate and have surface coatings. The octanol water partitioning and HIC methods both measured Au NPs as hydrophilic, but despite having a small size and stable suspension, NPs could not be fully recovered from the HIC column. For the dye adsorption method, hydrophobic (Rose Bengal) and hydrophilic (Nile Blue) dyes were adsorbed to the NP surface, and linear isotherm parameters were used as a metric for hydrophobicity. CuO was determined to be slightly hydrophilic, while SiO2 was hydrophilic and Ami-SiO2 was hydrophobic. The advantages and limitations of each method are discussed, and the dye adsorption method is recommended as the most suitable for application across broad classes of nanomaterials. The dye assay method was further used to measure changes in the surface hydrophobicity of TiO2 NPs after being suspended in natural water collected from the Alsea Rivers watershed in Oregon. TiO2 NPs adsorbed Rose Bengal when suspended in ultrapure water, but adsorbed Nile Blue after being incubated in natural water samples, demonstrating a shift from hydrophobic to hydrophilic properties on the outer surface. The dye adsorption method can be applied to characterize surface hydrophobicity of NPs and quantify environmental transformations, potentially improving environmental fate models.
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Affiliation(s)
- Lauren E Crandon
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon, United States of America
| | - Kylie M Boenisch
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon, United States of America
| | - Bryan J Harper
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon, United States of America
| | - Stacey L Harper
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon, United States of America.,Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon, United States of America.,Oregon Nanoscience and Microtechnologies Institute, Corvallis, Oregon, United States of America
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23
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Souto EB, Baldim I, Oliveira WP, Rao R, Yadav N, Gama FM, Mahant S. SLN and NLC for topical, dermal, and transdermal drug delivery. Expert Opin Drug Deliv 2020; 17:357-377. [PMID: 32064958 DOI: 10.1080/17425247.2020.1727883] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Introduction: From a biopharmaceutical standpoint, the skin is recognized as an interesting route for drug delivery. In general, small molecules are able to penetrate the stratum corneum, the outermost layer of the skin. In contrast, the delivery of larger molecules, such as peptides and proteins, remains a challenge. Nanoparticles have been exploited not only to enhance skin penetration of drugs but also to expand the range of molecules to be clinically used.Areas covered: This review focus on Solid lipid nanoparticles (SLN) and Nanostructured lipid carriers (NLC) for skin administration. We discuss the selection criteria for lipids, surfactants, and surface modifiers commonly in use in SLN/NLC, their production techniques, and the range of drugs loaded in these lipid nanoparticles for the treatment of skin disorders.Expert opinion: Depending on the lipid and surfactant composition, different nanoparticle morphologies can be generated. Both SLN and NLC are composed of lipids that resemble those of the skin and sebum, which contribute to their enhanced biocompatibility, with limited toxicological risk. SLN and NLC can be loaded with very chemically different drugs, may provide a tunable release profile, can be produced in a sterilized environment, and be scaled-up without the need for organic solvents.
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Affiliation(s)
- Eliana B Souto
- Faculty of Pharmacy, University of Coimbra (FFUC), Coimbra, Portugal.,CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Iara Baldim
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal.,Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, SP, Brazil
| | - Wanderley P Oliveira
- Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, SP, Brazil
| | - Rekha Rao
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, India
| | - Nitesh Yadav
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, India
| | - Francisco M Gama
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Sheefali Mahant
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, India
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24
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Souto EB, Silva GF, Dias-Ferreira J, Zielinska A, Ventura F, Durazzo A, Lucarini M, Novellino E, Santini A. Nanopharmaceutics: Part I-Clinical Trials Legislation and Good Manufacturing Practices (GMP) of Nanotherapeutics in the EU. Pharmaceutics 2020; 12:pharmaceutics12020146. [PMID: 32053962 PMCID: PMC7076491 DOI: 10.3390/pharmaceutics12020146] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/20/2020] [Accepted: 02/07/2020] [Indexed: 12/26/2022] Open
Abstract
The latest advances in pharmaceutical technology are leading to the development of cutting edged approaches to produce what is now known as the “Holy Grail” of medicine—nanopharmaceutics. Over the latest decade, the pharmaceutical industry has made important contributions to the scale up of these new products. To ensure their quality, efficacy, and safety for human use, clinical trials are mandatory. Yet, regulation regarding nanopharmaceuticals is still limited with a set of guidelines being recently released with respect to compliance with quality and safety. For the coming years, updates on regulatory issues about nanopharmaceuticals and their use in clinical settings are expected. The use of nanopharmaceuticals in clinical trials depends on the approval of the production methods and assurance of the quality of the final product by implementation and verification of the good manufacturing practices (GMP). This review addresses the available legislation on nanopharmaceuticals within the European Union (EU), the GMP that should be followed for their production, and the current challenges encountered in clinical trials of these new formulations. The singular properties of nanopharmaceuticals over their bulk counterparts are associated with their size, matrix composition, and surface properties. To understand their relevance, four main clinical trial guidelines, namely, for intravenous iron-based nanopharmaceuticals, liposomal-based nanopharmaceuticals, block copolymer micelle-based nanopharmaceuticals, and related to surface coating requirements, are described here.
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Affiliation(s)
- Eliana B. Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy (FFUC), University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; (G.F.S.); (J.D.-F.); (A.Z.)
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar 4710-057 Braga, Portugal
- Correspondence: (E.B.S.); (A.S.); Tel.: +351-239-488-400 (E.B.S.); +39-81-253-9317 (A.S.)
| | - Gabriela F. Silva
- Department of Pharmaceutical Technology, Faculty of Pharmacy (FFUC), University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; (G.F.S.); (J.D.-F.); (A.Z.)
| | - João Dias-Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy (FFUC), University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; (G.F.S.); (J.D.-F.); (A.Z.)
| | - Aleksandra Zielinska
- Department of Pharmaceutical Technology, Faculty of Pharmacy (FFUC), University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; (G.F.S.); (J.D.-F.); (A.Z.)
| | - Fátima Ventura
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal;
| | - Alessandra Durazzo
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy; (A.D.); (M.L.)
| | - Massimo Lucarini
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy; (A.D.); (M.L.)
| | - Ettore Novellino
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy;
| | - Antonello Santini
- Department of Pharmacy, University of Napoli Federico II, Via D. Montesano 49, 80131 Napoli, Italy;
- Correspondence: (E.B.S.); (A.S.); Tel.: +351-239-488-400 (E.B.S.); +39-81-253-9317 (A.S.)
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Permana AD, Tekko IA, McCrudden MT, Anjani QK, Ramadon D, McCarthy HO, Donnelly RF. Solid lipid nanoparticle-based dissolving microneedles: A promising intradermal lymph targeting drug delivery system with potential for enhanced treatment of lymphatic filariasis. J Control Release 2019; 316:34-52. [DOI: 10.1016/j.jconrel.2019.10.004] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/09/2019] [Accepted: 10/06/2019] [Indexed: 02/08/2023]
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Soft Cationic Nanoparticles for Drug Delivery: Production and Cytotoxicity of Solid Lipid Nanoparticles (SLNs). APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9204438] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The surface properties of nanoparticles have decisive influence on their interaction with biological barriers (i.e., living cells), being the concentration and type of surfactant factors to have into account. As a result of different molecular structure, charge, and degree of lipophilicity, different surfactants may interact differently with the cell membrane exhibiting different degrees of cytotoxicity. In this work, the cytotoxicity of two cationic solid lipid nanoparticles (SLNs), differing in the cationic lipids used as surfactants CTAB (cetyltrimethylammonium bromide) or DDAB (dimethyldioctadecylammonium bromide), referred as CTAB-SLNs and DDAB-SLNs, respectively, was assessed against five different human cell lines (Caco-2, HepG2, MCF-7, SV-80, and Y-79). Results showed that the cationic lipids used in SLN production highly influenced the cytotoxic profile of the particles, with CTAB-SLNs being highly cytotoxic even at low concentrations (IC50 < 10 µg/mL, expressed as CTAB amount). DDAB-SLNs produced much lower cytotoxicity, even at longer exposure time (IC50 from 284.06 ± 17.01 µg/mL (SV-80) to 869.88 ± 62.45 µg/mL (MCF-7), at 48 h). To the best of our knowledge, this is the first report that compares the cytotoxic profile of CTAB-SLNs and DDAB-SLNs based on the concentration and time of exposure, using different cell lines. In conclusion, the choice of the right surfactant for biological applications influences the biocompatibility of the nanoparticles. Regardless the type of drug delivery system, not only the cytotoxicity of the drug-loaded nanoparticles should be assessed, but also the blank (non-loaded) nanoparticles as their surface properties play a decisive role both in vitro and in vivo.
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27
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Luis de Redín I, Boiero C, Recalde S, Agüeros M, Allemandi D, Llabot JM, García-Layana A, Irache JM. In vivo effect of bevacizumab-loaded albumin nanoparticles in the treatment of corneal neovascularization. Exp Eye Res 2019; 185:107697. [PMID: 31228461 DOI: 10.1016/j.exer.2019.107697] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/28/2019] [Accepted: 06/11/2019] [Indexed: 02/07/2023]
Abstract
Corneal neovascularization (CNV) is associated with different ocular pathologies, including infectious keratitis, trachoma or corneal trauma. Pharmacological treatments based on the topical application of anti-VEGF therapies have been shown to be effective in the treatment and prevention of CNV. The aim of this work was to evaluate the effect of bevacizumab-loaded albumin nanoparticles in a rat model of CNV. Bevacizumab-loaded nanoparticles, either "naked" (B-NP) or coated with PEG 35,000 (B-NP-PEG), were administered once a day in the eyes of animals (10 μL, 4 mg/mL every 24 h) during 7 days. Bevacizumab and dexamethasone were employed as controls and administered at the same dose every 12 h. At the end of the study, the area of the eye affected by neovascularization was about 2-times lower for animals treated with B-NP than with free bevacizumab. In the study, dexamethasone did not demonstrate an inhibitory effect on CNV at the employed dose. All of these results were confirmed by histopathological analysis, which clearly showed that eyes treated with nanoparticles displayed lower levels of fibrosis, inflammation and edema. In summary, the encapsulation of bevacizumab in human serum albumin nanoparticles improved its efficacy in an animal model of CNV.
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Affiliation(s)
- Inés Luis de Redín
- Department of Chemistry and Pharmaceutical Technology, NANO-VAC Research Group, University of Navarra, Spain
| | - Carolina Boiero
- UNITEFA-CONICET, Department of Pharmacy, Faculty of Chemical Sciences (FCQ-UNC), National University of Córdoba, Argentina
| | - Sergio Recalde
- Experimental Ophthalmology Laboratory, University of Navarra, Navarra Institute for Health Research, IdiSNA, Spain
| | - Maite Agüeros
- Department of Chemistry and Pharmaceutical Technology, NANO-VAC Research Group, University of Navarra, Spain
| | - Daniel Allemandi
- UNITEFA-CONICET, Department of Pharmacy, Faculty of Chemical Sciences (FCQ-UNC), National University of Córdoba, Argentina
| | - Juan M Llabot
- UNITEFA-CONICET, Department of Pharmacy, Faculty of Chemical Sciences (FCQ-UNC), National University of Córdoba, Argentina
| | - Alfredo García-Layana
- Experimental Ophthalmology Laboratory, University of Navarra, Navarra Institute for Health Research, IdiSNA, Spain
| | - Juan M Irache
- Department of Chemistry and Pharmaceutical Technology, NANO-VAC Research Group, University of Navarra, Spain.
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28
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Mucopenetration and biocompatibility of polydopamine surfaces for delivery in an Ex Vivo porcine bladder. J Control Release 2019; 300:161-173. [DOI: 10.1016/j.jconrel.2019.02.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/21/2019] [Accepted: 02/26/2019] [Indexed: 11/13/2022]
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Mannosylated Nanoparticles for Oral Immunotherapy in a Murine Model of Peanut Allergy. J Pharm Sci 2019; 108:2421-2429. [PMID: 30849462 DOI: 10.1016/j.xphs.2019.02.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/20/2019] [Accepted: 02/27/2019] [Indexed: 11/23/2022]
Abstract
Peanut allergy is one of the most prevalent and severe of food allergies with no available cure. The aim of this work was to evaluate the potential of an oral immunotherapy based on the use of a roasted peanut extract encapsulated in nanoparticles with immunoadjuvant properties. For this, a polymer conjugate formed by the covalent binding of mannosamine to the copolymer of methyl vinyl ether and maleic anhydride was first synthetized and characterized. Then, the conjugate was used to prepare nanoparticles with an important capability to diffuse through the mucus layer and reach, in a large extent, the intestinal epithelium, including Peyer's patches. Their immunotherapeutic potential was evaluated in a model of presensitized CD1 mice to peanut. After completing therapy, mice underwent an intraperitoneal challenge with peanut extract. Nanoparticle-treatment was associated with both less serious anaphylaxis symptoms and higher survival rates than control, confirming the protective effect of this formulation against the challenge.
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Poinard B, Kamaluddin S, Tan AQQ, Neoh KG, Kah JCY. Polydopamine Coating Enhances Mucopenetration and Cell Uptake of Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2019; 11:4777-4789. [PMID: 30694045 DOI: 10.1021/acsami.8b18107] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Mucus is an endogenous viscoelastic biopolymer barrier that limits the entry of foreign pathogens and therapeutic carriers to the underlying mucosal cells. This could be overcome with a hydrophilic and nonpositively charged carrier surface that minimizes interactions with the mucin glycoprotein fibers. Although PEGylation remains an attractive surface strategy to enhance mucopenetration, cell uptake of PEGylated nanoparticles (NPs) often remains poor. Here, we demonstrated polydopamine (PDA) coating to enhance both mucopenetration and cell uptake of NPs. PDA was polymerized on carboxylated polystyrene (PS) NPs to form a PDA coating, and the resulting PS-PDA achieved a similar level of mucopenetration as our PEGylated PS (PS-PEG) positive control in three separate studies: NP-mucin interaction test, transwell assay, and multiple particle tracking. Compared to water, the diffusions of PS-PDA and PS-PEG in reconstituted mucus solution were only 3.5 and 2.4 times slower, respectively, whereas the diffusion of bare PS was slowed by up to 250 times. However, the uptake of PS-PDA (61.2 ± 6.1%) was almost three times higher than PS-PEG (24.6 ± 5.4%) in T24 cells, which were used as a model for underlying mucosal cells. Our results showed a novel unreported functionality of PDA coating in enhancing both mucopenetration and cell uptake of NPs for mucosal drug delivery applications, not possible with conventional PEGylation strategies.
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Affiliation(s)
- Barbara Poinard
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore , 117456 Singapore
| | - Syafiqah Kamaluddin
- Department of Biomedical Engineering , National University of Singapore , 117583 Singapore
| | - Angeline Qiao Qi Tan
- School of Life Sciences & Chemical Technology , Ngee Ann Polytechnic , 599489 Singapore
| | - Koon Gee Neoh
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore , 117456 Singapore
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 117585 Singapore
| | - James Chen Yong Kah
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore , 117456 Singapore
- Department of Biomedical Engineering , National University of Singapore , 117583 Singapore
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31
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Martínez Porcel JE, Rivas Aiello MB, Arce VB, Di Silvio D, Moya SE, Mártire DO. Effect of hybrid SiO2@Ag nanoparticles with raspberry-like morphology on the excited states of the photosensitizers Rose Bengal and riboflavin. NEW J CHEM 2019. [DOI: 10.1039/c9nj01013k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ag+ is released due to a charge transfer process from the triplet state of adsorbed riboflavin to the silver nanoparticles.
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Affiliation(s)
- Joaquín E. Martínez Porcel
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- Universidad Nacional de La Plata
- La Plata
- Argentina
- Soft Matter Nanotechnology
| | - María Belén Rivas Aiello
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- Universidad Nacional de La Plata
- La Plata
- Argentina
| | - Valeria B. Arce
- Centro de Investigaciones Ópticas (CIOp)
- (CONICET La Plata – CIC – UNLP)
- Gonnet
- Argentina
| | - Desire Di Silvio
- Soft Matter Nanotechnology
- Centre for Cooperative Research in Biomaterials
- CICbiomaGUNE Unidad Biosuperficies
- 20009 San Sebastian
- Spain
| | - Sergio E. Moya
- Soft Matter Nanotechnology
- Centre for Cooperative Research in Biomaterials
- CICbiomaGUNE Unidad Biosuperficies
- 20009 San Sebastian
- Spain
| | - Daniel O. Mártire
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- Universidad Nacional de La Plata
- La Plata
- Argentina
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32
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Trindade IC, Pound-Lana G, Pereira DGS, de Oliveira LAM, Andrade MS, Vilela JMC, Postacchini BB, Mosqueira VCF. Mechanisms of interaction of biodegradable polyester nanocapsules with non-phagocytic cells. Eur J Pharm Sci 2018; 124:89-104. [DOI: 10.1016/j.ejps.2018.08.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 08/10/2018] [Accepted: 08/18/2018] [Indexed: 12/19/2022]
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33
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Sacchetti F, Marverti G, D'Arca D, Severi L, Maretti E, Iannuccelli V, Pacifico S, Ponterini G, Costi MP, Leo E. pH-Promoted Release of a Novel Anti-Tumour Peptide by "Stealth" Liposomes: Effect of Nanocarriers on the Drug Activity in Cis-Platinum Resistant Cancer Cells. Pharm Res 2018; 35:206. [PMID: 30209680 DOI: 10.1007/s11095-018-2489-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 08/29/2018] [Indexed: 11/24/2022]
Abstract
PURPOSE To evaluate the potential effects of PEGylated pH-sensitive liposomes on the intracellular activity of a new peptide recently characterized as a novel inhibitor of the human thymidylate synthase (hTS) over-expressed in many drug-resistant human cancer cell lines. METHODS Peptide-loaded pH-sensitive PEGylated (PpHL) and non-PEGylated liposomes (nPpHL) were carefully characterized and delivered to cis-platinum resistant ovarian cancer C13* cells; the influence of the PpHL on the drug intracellular activity was investigated by the Western Blot analysis of proteins involved in the pathway affected by hTS inhibition. RESULTS Although PpHL and nPpHL showed different sizes, surface hydrophilicities and serum stabilities, both carriers entrapped the drug efficiently and stably demonstrating a pH dependent release; moreover, the different behavior against J774 macrophage cells confirmed the ability of PEGylation in protecting liposomes from the reticuloendothelial system. Comparable effects were instead observed against C13* cells and biochemical data by immunoblot analysis indicated that PEGylated pH-sensitive liposomes do not modify the proteomic profile of the cells, fully preserving the activity of the biomolecule. CONCLUSION PpHL can be considered as efficient delivery systems for the new promising anti-cancer peptide.
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Affiliation(s)
- Francesca Sacchetti
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Gaetano Marverti
- Department Biomedical, Metabolic and Neurosciences, University of Modena and Reggio Emilia, Via Campi, 287, Modena, Italy
| | - Domenico D'Arca
- Department Biomedical, Metabolic and Neurosciences, University of Modena and Reggio Emilia, Via Campi, 287, Modena, Italy
| | - Leda Severi
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Eleonora Maretti
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Valentina Iannuccelli
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Salvatore Pacifico
- Department of Pharmaceutical Sciences, University of Ferrara, via Fossato di Mortara 17-19, 44100, Ferrara, Italy
| | - Glauco Ponterini
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Maria Paola Costi
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Eliana Leo
- Department of Life Science, University of Modena and Reggio Emilia, Via Campi 103, 41125, Modena, Italy.
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35
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Wu L, Bai Y, Liu M, Li L, Shan W, Zhang Z, Huang Y. Transport Mechanisms of Butyrate Modified Nanoparticles: Insight into “Easy Entry, Hard Transcytosis” of Active Targeting System in Oral Administration. Mol Pharm 2018; 15:4273-4283. [PMID: 30102863 DOI: 10.1021/acs.molpharmaceut.8b00713] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lei Wu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Yuli Bai
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Min Liu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Lian Li
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Wei Shan
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Zhirong Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
| | - Yuan Huang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu 610041, P.R. China
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36
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Chitosan based polymer-lipid hybrid nanoparticles for oral delivery of enoxaparin. Int J Pharm 2018; 547:499-505. [DOI: 10.1016/j.ijpharm.2018.05.076] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 05/03/2018] [Accepted: 05/31/2018] [Indexed: 11/24/2022]
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37
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Poinard B, Neo SZY, Yeo ELL, Heng HPS, Neoh KG, Kah JCY. Polydopamine Nanoparticles Enhance Drug Release for Combined Photodynamic and Photothermal Therapy. ACS APPLIED MATERIALS & INTERFACES 2018; 10:21125-21136. [PMID: 29871485 DOI: 10.1021/acsami.8b04799] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Our study shows a facile two-step method which does not require the use of core templates to load a hydrophobic photosensitizer drug chlorin e6 (Ce6) within polydopamine (PDA) nanoparticles (NPs) while maintaining the intrinsic surface properties of PDA NPs. This structure is significantly different from hollow nanocapsules which are less stiff as they do not possess a core. To our knowledge, there exist no similar studies in the literature on drug loading within the polymer matrix of PDA NPs. We characterized the drug loading and release behavior of the photosensitizer Ce6 and demonstrated the therapeutic efficacy of the combined photodynamic (PDT) and photothermal therapy (PTT) from Ce6 and PDA, respectively, under a single wavelength of 665 nm irradiation on bladder cancer cells. We obtained a saturated loading amount of 14.2 ± 0.85 μM Ce6 in 1 nM PDA NPs by incubating 1 mg/mL dopamine solution with 140 μM of Ce6 for 20 h. The PDA NPs maintained colloidal stability in biological media, whereas the pi-pi (π-π) interaction between PDA and Ce6 enabled a release profile of the photosensitizer until day 5. Interestingly, loading of Ce6 in the polymer matrix of PDA NPs significantly enhanced the cell uptake because of endocytosis. An increased cell kill was observed with the combined PDT + PTT from 1 nM PDA-Ce6 compared to that with PTT alone with 1 nM PDA and PDT alone with 15 μM equivalent concentration of free Ce6. PDA-Ce6 NPs could be a promising PDT/PTT therapeutic agent for cancer therapy.
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Affiliation(s)
- Barbara Poinard
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore 117456 , Singapore
| | - Samuel Zhan Yuan Neo
- School of Life Sciences & Chemical Technology , Ngee Ann Polytechnic 599489 , Singapore
| | - Eugenia Li Ling Yeo
- Department of Biomedical Engineering , National University of Singapore 117583 , Singapore
| | - Howard Peng Sin Heng
- Department of Biomedical Engineering , National University of Singapore 117583 , Singapore
| | - Koon Gee Neoh
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore 117456 , Singapore
- Department of Chemical and Biomolecular Engineering , National University of Singapore 117585 , Singapore
| | - James Chen Yong Kah
- NUS Graduate School of Integrative Sciences and Engineering , National University of Singapore 117456 , Singapore
- Department of Biomedical Engineering , National University of Singapore 117583 , Singapore
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38
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Brotons-Canto A, Gamazo C, Martín-Arbella N, Abdulkarim M, Matías J, Gumbleton M, Irache JM. Evaluation of nanoparticles as oral vehicles for immunotherapy against experimental peanut allergy. Int J Biol Macromol 2018; 110:328-335. [DOI: 10.1016/j.ijbiomac.2017.09.109] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 09/27/2017] [Indexed: 01/07/2023]
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Desmet C, Valsesia A, Oddo A, Ceccone G, Spampinato V, Rossi F, Colpo P. Characterisation of nanomaterial hydrophobicity using engineered surfaces. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2017; 19:117. [PMID: 28367070 PMCID: PMC5357669 DOI: 10.1007/s11051-017-3804-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/21/2017] [Indexed: 06/07/2023]
Abstract
Characterisation of engineered nanomaterials (NMs) is of outmost importance for the assessment of the potential risks arising from their extensive use. NMs display indeed a large variety of physico-chemical properties that drastically affect their interaction with biological systems. Among them, hydrophobicity is an important property that is nevertheless only slightly covered by the current physico-chemical characterisation techniques. In this work, we developed a method for the direct characterisation of NM hydrophobicity. The determination of the nanomaterial hydrophobic character is carried out by the direct measurement of the affinity of the NMs for different collectors. Each collector is an engineered surface designed in order to present specific surface charge and hydrophobicity degrees. Being thus characterised by a combination of surface energy components, the collectors enable the NM immobilisation with surface coverage in relation to their hydrophobicity. The experimental results are explained by using the extended DLVO theory, which takes into account the hydrophobic forces acting between NMs and collectors. Graphical abstractDetermination of hydrophobicity character of nanomaterials by measuring their affinity to engineered surfaces.
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Affiliation(s)
- Cloé Desmet
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
| | - Andrea Valsesia
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
| | - Arianna Oddo
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
| | - Giacomo Ceccone
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
| | - Valentina Spampinato
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
- IMEC, MCACSA, Kapeldreef 75, 3001 Leuven, Belgium
| | - François Rossi
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
| | - Pascal Colpo
- Directorate Health, Consumer and Reference Materials, Consumer Products Safety Unit, Via E. Fermi, 2749. TP 125, 21027 Ispra, VA Italy
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Mehanny M, Hathout RM, Geneidi AS, Mansour S. Studying the effect of physically-adsorbed coating polymers on the cytotoxic activity of optimized bisdemethoxycurcumin loaded-PLGA nanoparticles. J Biomed Mater Res A 2017; 105:1433-1445. [PMID: 28177570 DOI: 10.1002/jbm.a.36028] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 01/18/2017] [Accepted: 02/03/2017] [Indexed: 02/06/2023]
Abstract
The aim of this work was to study the effect of different physically-adsorbed coating polymers on the cytotoxic activity of optimized bisdemethoxycurcumin (BDMC) loaded-PLGA nanoparticles. BDMC-loaded poly(DL-lactide-co-glycolide) (PLGA) nanoparticles were prepared adopting the nanoprecipitation technique according to a full factorial study design. The effects of three independent variables each at two levels, namely: the polymer type, polymer concentration, and poly vinyl alcohol concentration were studied. The particles were optimized regarding particle size and entrapment efficiency where sizes <200 nm and entrapment efficiencies reaching ∼98% were obtained. The particles were further characterized using x-ray diffraction, transmission electron microscopy, and in-vitro release studies. A selected formulation was subjected to physical coating using various coating moieties, namely: PEG 4000, Tween 80 and Pluronic F68, to impart a hydrophilic stealth character to the surface. The surface hydrophobicity was assessed using the Rose Bengal dye test where the hydrophilicity character followed the following order: Tween 80 > PEG 4000 > Pluronic F68. The particles coating rendered the particles suitable for cancer-targeting regarding particle size measurements, morphology, release kinetics, and stability studies. Moreover, cytotoxicity testing was performed using HepG-2 cells. Coated NPs showed the highest inhibition of malignant cells viability compared to the uncoated NPs and free BDMC where the IC50 of Pluronic-F68 coated NPs was 0.54 ± 0.01 µg/mL. The augmented effect against malignant cells poses these particles as a successful cancer remedy. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1433-1445, 2017.
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Affiliation(s)
- Mina Mehanny
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Rania M Hathout
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Ahmed S Geneidi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Samar Mansour
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.,Department of Pharmaceutical Technology, Faculty of Pharmacy and Biotechnology, German University in Cairo, Egypt
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41
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Cui Y, Shan W, Liu M, Wu L, Huang Y. A strategy for developing effective orally-delivered nanoparticles through modulation of the surface “hydrophilicity/hydrophobicity balance”. J Mater Chem B 2017; 5:1302-1314. [PMID: 32263598 DOI: 10.1039/c6tb02475k] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Efficient oral delivery of macromolecules by nanoparticles is greatly limited by epithelial cells and the mucus layer that covers the surface of the intestinal epithelium.
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Affiliation(s)
- Yi Cui
- Key Laboratory of Drug Targeting and Drug Delivery System (Ministry of Education)
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Wei Shan
- Key Laboratory of Drug Targeting and Drug Delivery System (Ministry of Education)
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Min Liu
- Key Laboratory of Drug Targeting and Drug Delivery System (Ministry of Education)
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Lei Wu
- Key Laboratory of Drug Targeting and Drug Delivery System (Ministry of Education)
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yuan Huang
- Key Laboratory of Drug Targeting and Drug Delivery System (Ministry of Education)
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
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Rietscher R, Czaplewska JA, Majdanski TC, Gottschaldt M, Schubert US, Schneider M, Lehr CM. Impact of PEG and PEG- b -PAGE modified PLGA on nanoparticle formation, protein loading and release. Int J Pharm 2016; 500:187-95. [DOI: 10.1016/j.ijpharm.2016.01.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 01/11/2016] [Accepted: 01/12/2016] [Indexed: 02/02/2023]
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Pereira de Sousa I, Moser T, Steiner C, Fichtl B, Bernkop-Schnürch A. Insulin loaded mucus permeating nanoparticles: Addressing the surface characteristics as feature to improve mucus permeation. Int J Pharm 2016; 500:236-44. [PMID: 26802494 DOI: 10.1016/j.ijpharm.2016.01.022] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 01/12/2016] [Accepted: 01/13/2016] [Indexed: 12/16/2022]
Abstract
AIM It was the aim of this study to combine two strategies - namely the virus-mimicking strategy and the surface PEGylation strategy - in order to generate highly mucus permeating nanocarriers for oral insulin delivery. METHODS Chondroitin sulphate was covalently conjugated with poly(ethylene glycol) 5 kDa at different degree of modification and with the functionalized polymers NPs were formulated via complexation with chitosan. NPs were characterized by particle size, zeta potential, surface hydrophilicity and permeation ability in porcine mucus and on excised mucosa. RESULTS The NPs presented a size between 510 and 670 nm and a zeta potential between -1 and -5 mV when dispersed in simulated intestinal fluid. The mucus permeation test revealed a correlation between the NPs hydrophilicity and their ability to move through mucus. A 5-fold higher amount of NPs with the higher degree of PEGylation could permeate through fresh mucus compared to non-PEGylated NPs. Moreover, highly PEGylated NPs showed a 3.7-fold greater ability to be retained in intestinal mucosa against buffer flow compared to unmodified NPs. Finally, insulin was incorporated with a payload of 2.18% and the release profile showed a 65% release within 4h. CONCLUSIONS Results of this study provide strong evidence for the potential of combining different surface modification strategies in order to improve the mucus permeating properties of NPs for oral peptide delivery.
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Affiliation(s)
- Irene Pereira de Sousa
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Thomas Moser
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Corinna Steiner
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Barbara Fichtl
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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Sacchetti F, Marraccini C, D’Arca D, Pelà M, Pinetti D, Maretti E, Hanuskova M, Iannuccelli V, Costi MP, Leo E. Enhanced anti-hyperproliferative activity of human thymidylate synthase inhibitor peptide by solid lipid nanoparticle delivery. Colloids Surf B Biointerfaces 2015; 136:346-54. [DOI: 10.1016/j.colsurfb.2015.09.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 09/07/2015] [Accepted: 09/22/2015] [Indexed: 12/26/2022]
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46
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Staufenbiel S, Merino M, Li W, Huang MD, Baudis S, Lendlein A, Müller RH, Wischke C. Surface characterization and protein interaction of a series of model poly[acrylonitrile-co-(N-vinyl pyrrolidone)] nanocarriers for drug targeting. Int J Pharm 2015; 485:87-96. [PMID: 25746947 DOI: 10.1016/j.ijpharm.2015.02.072] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 02/26/2015] [Accepted: 02/28/2015] [Indexed: 11/26/2022]
Abstract
The surface properties of intravenously injected nanoparticles determine the acquired blood protein adsorption pattern and subsequently the organ distribution and cellular recognition. A series of poly[acrylonitrile-co-(N-vinyl pyrrolidone)] (PANcoNVP) model nanoparticles (133-181 nm) was synthesized, in which the surface properties were altered by changing the molar content of NVP (0-33.8 mol%) as the more hydrophilic repeating unit. The extent of achieved surface property variation was comprehensively characterized. The residual sodium dodecyl sulfate (SDS) content from the synthesis was in the range 0.3-1.6 μgml(-1), potentially contributing to the surface properties. Surface hydrophobicity was determined by Rose Bengal dye adsorption, hydrophobic interaction chromatography (HIC) and aqueous two-phase partitioning (TPP). Particle charge was quantified by zeta potential (ZP) measurements including ZP-pH profiles. The interaction with proteins was analyzed by ZP measurements in serum and by adsorption studies with single proteins. Compared to hydrophobic polystyrene model nanoparticles, all PANcoNVP particles were very hydrophilic. Differences in surface hydrophobicity could be detected, which did not linearly correlate with the systematically altered bulk composition of the PANcoNVP nanoparticles. This proves the high importance of a thorough surface characterization applying a full spectrum of methods, complementing predictions solely based on bulk polymer composition.
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Affiliation(s)
- Sven Staufenbiel
- Helmholtz Virtual Institute for Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany; Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
| | - Marian Merino
- Helmholtz Virtual Institute for Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany; Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Wenzhong Li
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Mao-Dong Huang
- Leibniz-Institut für Analytische Wissenschaften (ISAS), Schwarzschildstr. 8, 12489 Berlin, Germany
| | - Stefan Baudis
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Andreas Lendlein
- Helmholtz Virtual Institute for Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany; Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany
| | - Rainer H Müller
- Helmholtz Virtual Institute for Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany; Institute of Pharmacy, Freie Universität Berlin, Kelchstr. 31, 12169 Berlin, Germany
| | - Christian Wischke
- Helmholtz Virtual Institute for Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513 Teltow, Germany; Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
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Pereira de Sousa I, Steiner C, Schmutzler M, Wilcox MD, Veldhuis GJ, Pearson JP, Huck CW, Salvenmoser W, Bernkop-Schnürch A. Mucus permeating carriers: formulation and characterization of highly densely charged nanoparticles. Eur J Pharm Biopharm 2015; 97:273-9. [PMID: 25576256 DOI: 10.1016/j.ejpb.2014.12.024] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 10/24/2014] [Accepted: 12/12/2014] [Indexed: 01/12/2023]
Abstract
The GI mucus layer represents a significant block to drug carriers absorption. Taking an example from nature, virus-mimicking nanoparticles (NPs) with highly densely charged surface were designed with the aim to improve their mucus permeation ability. NPs were formulated by combining chitosan with chondroitin sulfate and were characterized by particle size, ζ-potential and hydrophobicity. The interaction occurring between NPs and diluted porcine intestinal mucus was investigated by a new method. Furthermore, the rotating tube technique was exploited to evaluate the NPs permeation ability in fresh undiluted porcine intestinal mucus. NPs (400-500 nm) presenting a slightly positive (4.02 mV) and slightly negative (-3.55 mV) ζ-potential resulted to be hydrophobic and hydrophilic, respectively. On the one hand the hydrophobic NPs undergo physico-chemical changes when incubated with mucus, namely the size increased and the ζ-potential decreased. On the other hand, the hydrophilic NPs did not significantly change size and net charge during incubation with mucus. Both types of NPs showed a 3-fold higher diffusion ability compared to the reference 50/50 DL-lactide/glycolide copolymer NPs (136 nm, -23 mV, hydrophilic). Based on these results, this work gives valuable information for the further design of mucus-penetrating NPs.
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Affiliation(s)
- Irene Pereira de Sousa
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria
| | - Corinna Steiner
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria
| | - Matthias Schmutzler
- Institute of Analytical Chemistry and Radiochemistry, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria
| | - Matthew D Wilcox
- Newcastle University, Institute for Cell and Molecular Biosciences, Newcastle upon Tyne, United Kingdom
| | | | - Jeffrey P Pearson
- Newcastle University, Institute for Cell and Molecular Biosciences, Newcastle upon Tyne, United Kingdom
| | - Christian W Huck
- Institute of Analytical Chemistry and Radiochemistry, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria
| | - Willi Salvenmoser
- Institute of Zoology, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria.
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Severino P, Szymanski M, Favaro M, Azzoni AR, Chaud MV, Santana MHA, Silva AM, Souto EB. Development and characterization of a cationic lipid nanocarrier as non-viral vector for gene therapy. Eur J Pharm Sci 2014; 66:78-82. [PMID: 25446510 DOI: 10.1016/j.ejps.2014.09.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2014] [Revised: 09/21/2014] [Accepted: 09/24/2014] [Indexed: 12/15/2022]
Abstract
The aim of the present work was to produce a cationic solid lipid nanoparticle (SLN) as non-viral vector for protein delivery. Cationic SLN were produced by double emulsion method, composed of softisan(®) 100, cetyltrimethylammonium bromide (CTAB), Tween(®) 80, Span(®) 80, glycerol and lipoid(®) S75 loading insulin as model protein. The formulation was characterized in terms of mean hydrodynamic diameter (z-ave), polydispersity index (PI), zeta potential (ZP), stability during storage time, stability after lyophilization, effect of toxicity and transfection ability in HeLa cells, in vitro release profile and morphology. SLN were stable for 30days and showed minimal changes in their physicochemical properties after lyophilization. The particles exhibited a relatively slow release, spherical morphology and were able to transfect HeLa cells, but toxicity remained an obstacle. Results suggest that SLN are nevertheless promising for delivery of proteins or nucleic acids for gene therapy.
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Affiliation(s)
- Patrícia Severino
- Department of Biotechnological Processes, School of Engineering Chemical, University of Campinas-Unicamp, Campinas 13083-970, SP, Brazil; Faculty of Health Sciences, Fernando Pessoa University (UFP-FCS), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal
| | - Marcelo Szymanski
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Marianna Favaro
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Adriano R Azzoni
- Laboratory of Genetics and Molecular Analysis, Molecular Biology and Genetic Engineering Center, State University of Campinas, Campinas, SP, Brazil
| | - Marco V Chaud
- Laboratory for Development and Evaluation of Bioactive Substance, Sorocaba University, UNISO, Sorocaba, SP, Brazil
| | - Maria Helena A Santana
- Department of Biotechnological Processes, School of Engineering Chemical, University of Campinas-Unicamp, Campinas 13083-970, SP, Brazil
| | - Amélia M Silva
- Department of Biology and Environment, University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal; Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Eliana B Souto
- Faculty of Health Sciences, Fernando Pessoa University (UFP-FCS), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal; Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
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49
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Jones MC, Jones SA, Riffo-Vasquez Y, Spina D, Hoffman E, Morgan A, Patel A, Page C, Forbes B, Dailey LA. Quantitative assessment of nanoparticle surface hydrophobicity and its influence on pulmonary biocompatibility. J Control Release 2014; 183:94-104. [DOI: 10.1016/j.jconrel.2014.03.022] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 03/05/2014] [Accepted: 03/10/2014] [Indexed: 11/24/2022]
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