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Rodríguez-Varillas S, Fontanil T, Espina Casado J, Fernández-González A, Badía Laíño R. Surface modification of carbon dots with cyclodextrins as potential biocompatible photoluminescent delivery/bioimaging nanoplatform. Anal Chim Acta 2024; 1318:342948. [PMID: 39067926 DOI: 10.1016/j.aca.2024.342948] [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: 01/12/2024] [Revised: 06/14/2024] [Accepted: 07/05/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Cyclodextrins are a well-established system which form inclusion complexes with many guest molecules. This property can be easily exploited to develop drug delivery systems. Additionally, carbon dots (CD) are a low-toxic photoluminescent product which have been used as luminescent tags. The combination of cyclodextrins and carbon dots allows obtaining a new nanoplatform, a biocompatible material, with both capabilities, increasing as well the internalization by the cells of the CD, induced by the cyclodextrins. RESULTS In the present work, we have modified the surface of carbon dots obtained from citric acid and glutathione with β and γ cyclodextrins. After a morphological and spectroscopic characterization, we concluded that the luminescence quantum yield and absorption molar coefficient of the derivatized and unmodified carbon dots was the same. These findings, together with the spectroscopic detection of active cyclodextrins, those bond to the CD able to interact with a guest molecule, allowed determination of the ratios: cyclodextrins/CD, active cyclodextrins/CD and an estimation of the CD molecular mass. Furthermore, the biocompatibility of the new materials was evaluated through cytotoxicity and cell-penetrance assays revealing that the materials were non cytotoxic up to 0.1 mg/mL. Moreover, the biocompatible developed nanoplatform penetrates in the cells maintaining the material's intrinsic fluorescence, thus constituting an adequate photoluminescent-tag with high-contrast for in vitro cell imaging. SIGNIFICANCE This work provides a new and easy method to combine cyclodextrins and carbon dots into a biocompatible material which can be used as nanoplatform both as drug delivery system and as photoluminescent tag in cell imaging. Likewise, this paper shows how to characterize the number of cyclodextrins and active cyclodextrins per CD, having an average stoichiometric relation of 1:1 for guest molecule - CD. Additionally, the minimum molecular mass of the unmodified CD was indirectly obtained, yielding about 1.6-1.9 kDa.
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Affiliation(s)
| | - Tania Fontanil
- Department of Functional Biology, University of Oviedo, 33006, Oviedo, Spain
| | - Jorge Espina Casado
- Department of Physical and Analytical Chemistry, University of Oviedo, 33006, Oviedo, Spain
| | | | - Rosana Badía Laíño
- Department of Physical and Analytical Chemistry, University of Oviedo, 33006, Oviedo, Spain.
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2
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Yang N, Wei L, Teng Y, Yu P, Xiang C, Liu J. Cyclodextrin-based metal-organic frameworks transforming drug delivery. Eur J Med Chem 2024; 274:116546. [PMID: 38823266 DOI: 10.1016/j.ejmech.2024.116546] [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: 01/24/2024] [Revised: 05/03/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
Cyclodextrin-based metal-organic frameworks (CD-MOFs) are gaining traction in the realm of drug delivery due to their inherent versatility and potential to amplify drug efficacy, specificity, and safety. This article explores the predominant preparation techniques for CD-MOFs, encompassing methods like vapor diffusion, microwave-assisted, and ultrasound hydrothermal approaches. Native CD-MOFs present compelling advantages in drug delivery applications. They can enhance drug loading capacity, stability, solubility, and bioavailability by engaging in diverse interactions with drugs, including host-guest, hydrogen bonding, and electrostatic interactions. Beyond their inherent properties, CD-MOFs can be customized as drug carriers through two primary strategies: co-crystallization with functional components and surface post-modifications. These tailored modifications pave the way for controlled release manners. They allow for slow and sustained drug release, as well as responsive releases triggered by various factors such as pH levels, glutathione concentrations, or specific cations. Furthermore, CD-MOFs facilitate targeted delivery strategies, like pulmonary or laryngeal delivery, enhancing drug delivery precision. Overall, the adaptability and modifiability of CD-MOFs underscore their potential as a versatile platform for drug delivery, presenting tailored solutions that cater to diverse biomedical and industrial needs.
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Affiliation(s)
- Na Yang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Lingling Wei
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Yuou Teng
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Peng Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Cen Xiang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, Key Laboratory of Industrial Fermentation Microbiology of Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China.
| | - Jiang Liu
- Rosalind Franklin Institute, Harwell campus, OX11 0QS, Oxford, UK; Pharmacology Department, University of Oxford, Mansfield Road, OX1 3QT, Oxford, UK.
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3
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Losada-Barreiro S, Celik S, Sezgin-Bayindir Z, Bravo-Fernández S, Bravo-Díaz C. Carrier Systems for Advanced Drug Delivery: Improving Drug Solubility/Bioavailability and Administration Routes. Pharmaceutics 2024; 16:852. [PMID: 39065549 PMCID: PMC11279846 DOI: 10.3390/pharmaceutics16070852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/14/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
The disadvantages of some conventional drugs, including their low bioavailability, poor targeting efficiency, and important side effects, have led to the rational design of drug delivery systems. In particular, the introduction of drug delivery systems is a potential approach to enhance the uptake of therapeutic agents and deliver them at the right time and in the right amount of concentration at the required site, as well as open new strategies for effective illness treatment. In this review, we provide a basic understanding of drug delivery systems with an emphasis on the use of cyclodextrin-, polymer- and surfactant-based delivery systems. These systems are very attractive because they are biocompatible and biodegradable nanomaterials with multifunctional components. We also provide some details on their design considerations and their use in a variety of medical applications by employing several routes of administration.
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Affiliation(s)
- Sonia Losada-Barreiro
- Departamento de Química-Física, Facultade de Química, Universidade de Vigo, 36200 Vigo, Pontevedra, Spain;
| | - Sumeyye Celik
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ankara University, 06560 Ankara, Turkey (Z.S.-B.)
| | - Zerrin Sezgin-Bayindir
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ankara University, 06560 Ankara, Turkey (Z.S.-B.)
| | - Sofía Bravo-Fernández
- Dentistry Department, Primary Health Unit, Galician Health Service (SERGAS), Calle Mourin s/n, 15330 Ortigueira, A Coruña, Spain;
| | - Carlos Bravo-Díaz
- Departamento de Química-Física, Facultade de Química, Universidade de Vigo, 36200 Vigo, Pontevedra, Spain;
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4
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Jansook P, Loftsson T, Stefánsson E. Drug-like properties of tyrosine kinase inhibitors in ophthalmology: Formulation and topical availability. Int J Pharm 2024; 655:124018. [PMID: 38508428 DOI: 10.1016/j.ijpharm.2024.124018] [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: 01/22/2024] [Revised: 03/11/2024] [Accepted: 03/17/2024] [Indexed: 03/22/2024]
Abstract
Tyrosine kinase inhibitors (TKIs) can inhibit edema and neovascularization, such as in age-related macular degeneration and diabetic retinopathy. However, their topical administration in ophthalmology is limited by their toxicity and poor aqueous solubility. There are multiple types of TKIs, and each TKI has an affinity to more than one type of receptor. Studies have shown that ocular toxicity can be addressed by selecting TKIs that have a high affinity for specific vascular endothelial growth factor receptors (VEGFRs) but a low affinity for epidermal growth factor receptors (EGFRs). Drugs permeate from the aqueous tear fluid into the eye via passive diffusion. Thus, a sustained high concentration of the dissolved drug in the aqueous tear fluid is essential for a successful delivery to posterior tissues such as the retina. Unfortunately, the aqueous solubility of the TKIs that have the most favorable VEGFR/EGFR affinity ratio, that is, axitinib and cabozantinib, is well below 1 µg/mL, making their topical delivery very challenging. This is a review of the drug-like properties of TKIs that are currently being evaluated or have been evaluated as ophthalmic drugs. These properties include their solubilization, cyclodextrin complexation, and ability to permeate from the aqueous tear fluid to the posterior eye segment.
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Affiliation(s)
- Phatsawee Jansook
- Faculty of Pharmaceutical Sciences, Chulalongkorn University, 254 Payathai Road, Pathumwan, Bangkok, 10330, Thailand; Cyclodextrin Application and Nanotechnology-Based Delivery Systems Research Unit, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Thorsteinn Loftsson
- Faculty of Pharmaceutical Sciences, University of Iceland, Hofsvallagata 53, IS-107, Reykjavik, Iceland
| | - Einar Stefánsson
- Department of Ophthalmology, Landspitali University Hospital, IS-101 Reykjavik, Iceland
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5
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Larsen D, Erichsen A, Masciotta G, Meier S, Beeren SR. Quantitative determination of the binding capabilities of individual large-ring cyclodextrins in complex mixtures. Chem Commun (Camb) 2024; 60:2090-2093. [PMID: 38294022 DOI: 10.1039/d3cc05897b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Large-ring cyclodextrins (CDs) are a comparatively unexplored family of macrocycles. We use high-resolution 1H-13C HSQC NMR experiments to resolve the anomeric signals of at least 13 different size CDs in a mixture. Using a single titration experiment, we can quantify the individual binding capabilites of these structurally-related hosts, avoiding the need for cumbersome isolation.
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Affiliation(s)
- Dennis Larsen
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kongens Lyngby, Denmark.
| | - Andreas Erichsen
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kongens Lyngby, Denmark.
| | - Giorgia Masciotta
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kongens Lyngby, Denmark.
| | - Sebastian Meier
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kongens Lyngby, Denmark.
| | - Sophie R Beeren
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kongens Lyngby, Denmark.
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6
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Liang X, Chen L, McClements DJ, Peng X, Xu Z, Meng M, Jin Z. Bioactive delivery systems based on starch and its derivatives: Assembly and application at different structural levels. Food Chem 2024; 432:137184. [PMID: 37633137 DOI: 10.1016/j.foodchem.2023.137184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/01/2023] [Accepted: 08/15/2023] [Indexed: 08/28/2023]
Abstract
Starch and modified starch, spanning various structural levels, are comprehensively reviewed, with a special emphasis on the advancement of starch and its derivative-based delivery systems for bioactive substances. The pivotal aspect highlighted is the controlled release of active ingredients by starch-based delivery systems with distinct hierarchical structures. At the molecular level, diverse categories of starch degradation products, such as dextrin and highly branched starch, serve as versatile amphiphilic carriers for encapsulating active ingredients. At the level of helical structure, the distinctive configuration of the starch-guest complex partly determines the mechanism of controlled release for diverse active components. At the crystal and particle structural level, starch assumes the role of a carrier, effectively modulating the release of active substances, and enhances the innate physiological activity of different active components. As a natural polymer molecule, starch can also generate hydrogel materials in polymer form, expanding its utility in the fields of food, materials, and even medicine.
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Affiliation(s)
- Xiuping Liang
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Long Chen
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, South China Agricultural University, Guangzhou 510642, China; Guangdong Licheng Detection Technology Co., Ltd, Zhongshan 528436, China
| | | | - Xinwen Peng
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Zhenlin Xu
- School of Food Science and Technology, South China Agricultural University, Guangzhou 510642, China
| | - Man Meng
- Guangdong Licheng Detection Technology Co., Ltd, Zhongshan 528436, China
| | - Zhengyu Jin
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
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7
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Sarabia-Vallejo Á, Caja MDM, Olives AI, Martín MA, Menéndez JC. Cyclodextrin Inclusion Complexes for Improved Drug Bioavailability and Activity: Synthetic and Analytical Aspects. Pharmaceutics 2023; 15:2345. [PMID: 37765313 PMCID: PMC10534465 DOI: 10.3390/pharmaceutics15092345] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Many active pharmaceutical ingredients show low oral bioavailability due to factors such as poor solubility and physical and chemical instability. The formation of inclusion complexes with cyclodextrins, as well as cyclodextrin-based polymers, nanosponges, and nanofibers, is a valuable tool to improve the oral bioavailability of many drugs. The microencapsulation process modifies key properties of the included drugs including volatility, dissolution rate, bioavailability, and bioactivity. In this context, we present relevant examples of the stabilization of labile drugs through the encapsulation in cyclodextrins. The formation of inclusion complexes with drugs belonging to class IV in the biopharmaceutical classification system as an effective solution to increase their bioavailability is also discussed. The stabilization and improvement in nutraceuticals used as food supplements, which often have low intestinal absorption due to their poor solubility, is also considered. Cyclodextrin-based nanofibers, which are polymer-free and can be generated using environmentally friendly technologies, lead to dramatic bioavailability enhancements. The synthesis of chemically modified cyclodextrins, polymers, and nanosponges based on cyclodextrins is discussed. Analytical techniques that allow the characterization and verification of the formation of true inclusion complexes are also considered, taking into account the differences in the procedures for the formation of inclusion complexes in solution and in the solid state.
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Affiliation(s)
- Álvaro Sarabia-Vallejo
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - María del Mar Caja
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - Ana I. Olives
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - M. Antonia Martín
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - J. Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
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8
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Sørensen J, Hansen EL, Larsen D, Elmquist MA, Buchleithner A, Florean L, Beeren SR. Light-controlled enzymatic synthesis of γ-CD using a recyclable azobenzene template. Chem Sci 2023; 14:7725-7732. [PMID: 37476725 PMCID: PMC10355107 DOI: 10.1039/d3sc01997g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023] Open
Abstract
Cyclodextrins (CDs) are important molecular hosts for hydrophobic guests in water and extensively employed in the pharmaceutical, food and cosmetic industries to encapsulate drugs, flavours and aromas. Compared with α- and β-CD, the wide-scale use of γ-CD is currently limited due to costly production processes. We show how the yield of γ-CD in the enzymatic synthesis of CDs can be increased 5-fold by adding a tetra-ortho-isopropoxy-substituted azobenzene template irradiated at 625 nm (to obtain the cis-(Z)-isomer) to direct the synthesis. Following the enzymatic reaction, the template can then be readily recovered from the product mixture for use in subsequent reaction cycles. Heating induces thermal cis-(Z) to trans-(E) relaxation and consequent dissociation from γ-CD whereupon the template can then be precipitated by acidification. For this study we designed and synthesised a set of three water-soluble azobenzene templates with different ortho-substituents and characterised their photoswitching behaviour using UV/vis and NMR spectroscopy. The templates were tested in cyclodextrin glucanotransferase-mediated dynamic combinatorial libraries (DCLs) of cyclodextrins while irradiating at different wavelengths to control the cis/trans ratios. To rationalise the behaviour of the DCLs, NMR titrations were carried out to investigate the binding interactions between α-, β- and γ-CD and the cis and trans isomers of each template.
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Affiliation(s)
- Juliane Sørensen
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Emilie Ljungberg Hansen
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Dennis Larsen
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Mathias Albert Elmquist
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Andreas Buchleithner
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Luca Florean
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
| | - Sophie R Beeren
- Department of Chemistry, Technical University of Denmark Kemitorvet Building 207 Kongens Lyngby 2800 Denmark
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9
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Li X, Jiang X, Zhou X, Cheng Y, Cao F. Development of dexamethasone suspension eye drops: A comparative investigation of ternary and quaternary cyclodextrin aggregates. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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10
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Komiyama M. Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:218-232. [PMID: 36793325 PMCID: PMC9924364 DOI: 10.3762/bjnano.14.21] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Cyclodextrins have been widely employed for drug delivery systems (DDSs) in which drugs are selectively delivered to a target site in the body. Recent interest has been focused on the construction of cyclodextrin-based nanoarchitectures that show sophisticated DDS functions. These nanoarchitectures are precisely fabricated based on three important features of cyclodextrins, namely (1) the preorganized three-dimensional molecular structure of nanometer size, (2) the easy chemical modification to introduce functional groups, and (3) the formation of dynamic inclusion complexes with various guests in water. With the use of photoirradiation, drugs are released from cyclodextrin-based nanoarchitectures at designated timing. Alternatively, therapeutic nucleic acids are stably protected in the nanoarchitectures and delivered to the target site. The efficient delivery of the CRISPR-Cas9 system for gene editing was also successful. Even more complicated nanoarchitectures can be designed for sophisticated DDSs. Cyclodextrin-based nanoarchitectures are highly promising for future applications in medicine, pharmaceutics, and other relevant fields.
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Affiliation(s)
- Makoto Komiyama
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
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11
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Topical dexamethasone delivery to the retina: An aqueous cyclodextrin-based microsuspension. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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12
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Wang Q, Zhang A, Zhu L, Yang X, Fang G, Tang B. Cyclodextrin-based ocular drug delivery systems: A comprehensive review. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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13
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De Gaetano F, Cristiano MC, Paolino D, Celesti C, Iannazzo D, Pistarà V, Iraci N, Ventura CA. Bicalutamide Anticancer Activity Enhancement by Formulation of Soluble Inclusion Complexes with Cyclodextrins. Biomolecules 2022; 12:1716. [PMID: 36421730 PMCID: PMC9687945 DOI: 10.3390/biom12111716] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 08/27/2023] Open
Abstract
Bicalutamide (BCL) is a nonsteroidal antiandrogen drug that represents an alternative to castration in the treatment of prostate cancer, due to its relatively long half-life and tolerable side effects. However, it possesses a very low water solubility that can affect its oral bioavailability. In this work, we developed inclusion complexes of BCL with the highly soluble hydroxypropyl-β-cyclodextrin (HP-β-CyD) and sulfobutylether-β-cyclodextrin (SBE-β-CyD) to increase the water solubility and anticancer activity of BCL. The inclusion complexes were prepared using the freeze-drying method and were then characterized in a solid state via differential scanning calorimetry and X-ray analysis and in solution via phase-solubility studies and UV-vis and NMR spectroscopy. The BCL/HP-β-CyD and BCL/SBE-β-CyD inclusion complexes were amorphous and rapidly dissolved in water. Both the 1H-NMR spectra and molecular modeling studies confirmed the penetration of the 2-(trifluoromethyl)benzonitrile ring of BCL within the cavity of both cyclodextrins (CyDs). Due to the consistent improvement of the water solubility of BCL, the inclusion complexes showed higher antiproliferative activity toward the human prostate androgen-independent cell lines, DU-145 and PC-3, with respect to free BCL. These results demonstrate the ability of HP-β-CyD and SBE-β-CyD to complex BCL, permitting the realization of liquid formulations with potentially high oral bioavailability and/or possible parenteral administration.
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Affiliation(s)
- Federica De Gaetano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, I-98166 Messina, Italy
| | - Maria Chiara Cristiano
- Department of Clinical and Experimental Medicine, University ‘Magna Græcia’ of Catanzaro, I-88100 Catanzaro, Italy
| | - Donatella Paolino
- Department of Clinical and Experimental Medicine, University ‘Magna Græcia’ of Catanzaro, I-88100 Catanzaro, Italy
| | - Consuelo Celesti
- Department of Engineering, University of Messina, Contrada Di Dio, I-98166 Messina, Italy
- Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria, I-98125 Messina, Italy
| | - Daniela Iannazzo
- Department of Engineering, University of Messina, Contrada Di Dio, I-98166 Messina, Italy
| | - Venerando Pistarà
- Department of Pharmaceutical and Health Sciences, University of Catania, Viale Andrea Doria 6, I-95125 Catania, Italy
| | - Nunzio Iraci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, I-98166 Messina, Italy
| | - Cinzia Anna Ventura
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, I-98166 Messina, Italy
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Lan Pham T, Usacheva T, Alister D, Thu Ha Nguyen T, Tukumova N, Kuranova N, Minh Vu X, My Hanh Le T, Tung Nguyen Q, Lam Tran D. Thermodynamic parameters and quantum chemical calculations of complex formation between rutin and 2-hydroxypropyl-β-cyclodextrin in water-ethanol solvents. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Zhou J, Zhang R, Lv P, Zhang S, Zhang Y, Yang J, Yang B. Acyclic cucurbit[n]urils-based supramolecular encapsulation for enhancing the protective effect of capsaicin on gastric mucosa and reducing irritation. Int J Pharm 2022; 626:122190. [PMID: 36100146 DOI: 10.1016/j.ijpharm.2022.122190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 10/14/2022]
Abstract
Capsaicin (CAP) is an alkaloid isolated from pepper fruit, which possesses various pharmacological activities including antioxidant, anti-inflammatory, antibacterial and gastric mucosa protection. However, its inherent poor aqueous solubility and strong irritation impede the further clinical application. In our study, acyclic cucurbit[n]urils (ACBs, M1, M2 and M3) were rationally utilized to prepare a series of CAP inclusion complexes to improve the bioavailability and reduce stimulation. Their properties and inclusion behaviors were further investigated by multiple characterization methods, the data indicated that the inclusion complexes of ACBs/CAP were formed by a stoichiometric ratio of 2:1 with strong binding interaction. After complexation, the solubility of CAP was significantly increased by 12,076 times and its antioxidant activity also increased. Moreover, the anti-inflammatory activity and the ability to prevent gastric mucosal injury were both significantly improved, and the inhibition rate of nitric oxide (NO) and interleukin-1β (IL-1β) has been effectively improved while cytotoxicity against human normal hepatocytes cell (LO2), human lung fibroblasts cell (HLF) and the human gastric mucosal cell (GES-1) was greatly attenuated. Confocal laser scanning microscope (CLSM) images indicated that the complexes could be efficiently internalized by GES-1 cells and primarily located in cytoplasm. In vivo model of mouse, our complexes exhibited excellent biosafety. In summary, our study may provide a promising new strategy for the further clinical application of CAP.
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Affiliation(s)
- Jiawei Zhou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Ruihao Zhang
- Horticulture Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, PR China
| | - Pin Lv
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China; Industrial Crop Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205, PR China
| | - Shuqing Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Yazhou Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Jing Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China.
| | - Bo Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, PR China.
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Cyclodextrins and drug membrane permeation: Thermodynamic considerations. J Pharm Sci 2022; 111:2571-2580. [PMID: 35487262 DOI: 10.1016/j.xphs.2022.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/21/2022] [Accepted: 04/21/2022] [Indexed: 11/22/2022]
Abstract
Cyclodextrins are hydrophilic oligosaccharides that can increase aqueous solubility of lipophilic drugs through formation of water-soluble drug/cyclodextrin complexes. Although the complexes are hydrophilic, and as such do not permeate biological membranes, the complexes are known to enhance drug permeation through lipophilic membranes and improve drug bioavailability after, for example, oral administration. However, it is not clear how cyclodextrins enhance the permeation. An artificial biomembrane (PermeaPad®) was used to study the effect of donor medium composition on drug permeation. It was observed that in aqueous solutions the hydrophilic cyclodextrins behave not like disperse systems but rather like organic cosolvents such as ethanol, increasing the solubility without having significant effect on the molecular mobility and ability of lipophilic drug molecules to partition into the lipophilic membrane. Also, that partition of dissolved drug molecules from the aqueous exterior into the membrane is at its maximum when their thermodynamic activity is at its maximum. In other words, that drug flux from aqueous cyclodextrin solutions through lipophilic membranes depends on both the concentration and the thermodynamic activity of dissolved drug. Maximum flux is obtained when both the drug concentration and thermodynamic activity of the dissolved drug molecules are at their maximum value.
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