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Tatasciore S, Santarelli V, Neri L, Di Mattia CD, Di Michele A, Mastrocola D, Pittia P. Microencapsulation of hop bioactive compounds by spray drying: Role of inlet temperature and wall material. Curr Res Food Sci 2024; 8:100769. [PMID: 38800638 PMCID: PMC11127467 DOI: 10.1016/j.crfs.2024.100769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/29/2024] [Accepted: 05/11/2024] [Indexed: 05/29/2024] Open
Abstract
This study explores the effect of spray-drying (SD) inlet temperatures (Tinlet 120 and 150 °C) and wall material on the chemical and physico-chemical properties of microencapsulated hop extracts (MHE). Hop extract was formulated with maltodextrin (MD) and gum Arabic (GA) used in single or in combination with β-cyclodextrin (βCD). MHE were evaluated for physical properties, bitter acids (BA), total polyphenol content (TPC) and encapsulation efficiency (TPC EE), and antioxidant capacity (AOC). Powders produced at Tinlet 150 °C exhibited the highest flowability and generally higher TPC yield. Besides Tinlet, MD enabled the obtaining of MHE with the highest encapsulation efficiency. Other physico-chemical and antioxidant properties differently varied depending on the Tinlet. Overall, the βCD addition positively affected α-acids, and β-acids of MHE obtained at Tinlet 120 °C. ATR-FTIR analysis showed hydrogen bond formation between hop compounds and βCD. Multifactorial ANOVA highlighted that Tinlet, W, and their interaction influenced almost all the chemical and physico-chemical properties of MHE.
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Affiliation(s)
- Simona Tatasciore
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
| | - Veronica Santarelli
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
| | - Lilia Neri
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
| | - Carla Daniela Di Mattia
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
| | - Alessandro Di Michele
- Department of Physics and Geology, University of Perugia, Via Pascoli, 06123, Perugia, Italy
| | - Dino Mastrocola
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
| | - Paola Pittia
- Department of Bioscience and Technologies for Food, Agriculture, and Environment University of Teramo, Via Renato Balzarini 1, 64100, Teramo, Italy
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Chaisri W, Suebsakwong P, Pandith H, Panya A, Taynawa K, Pikulkaew S, Suriyasathaporn W, Okonogi S, Khonkarn R. Effects of Encapsulation of Caesalpinia sappan L. with Cyclodextrins for Bovine Mastitis. AAPS PharmSciTech 2023; 24:230. [PMID: 37964017 DOI: 10.1208/s12249-023-02687-5] [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: 08/09/2023] [Accepted: 10/24/2023] [Indexed: 11/16/2023] Open
Abstract
The main components of Caesalpinia sappan L. (CS) are brazilin and brazilein, which show high potential in pharmacologic applications. However, these have been drastically limited by the poor water solubility and stability. The present study investigates the formation of inclusion complexes F1, F2, and F3 between CS and β-cyclodextrin (βCD), hydroxypropyl-β-cyclodextrin (HPβCD), and methyl-β-cyclodextrin (MβCD), respectively. These complexes were characterized by Fourier transform infrared spectroscopy (FT-IR). The results showed that the highest encapsulation efficiency and loading capacity of CS extract were 44.24% and 9.67%, respectively. The solubility and stability of CS extract were significantly increased through complexation in phase solubility and stability studies. The complexes F1-F3 showed mainly significant antibacterial activities on gram-positive bacteria pathogens causing mastitis. Moreover, the expression levels of COX-2 and iNOS were significantly decreased in LPS-induced inflammatory cells at concentrations of 50 and 100 µg/mL. In addition, treatment of complex F3 (CS/MβCD) in bovine endothelial cells remarkably increased the chemokine gene expression of CXCL3 and CXCL8, which were responsible for immune cell recruitment (9.92 to 11.17 and 8.23 to 9.51-fold relative to that of the LPS-treated group, respectively). This study provides a complete characterization of inclusion complexes between CS extract and βCD, HPβCD, and MβCD for the first time, highlighting the impact of complex formation on the pharmacologic activities of bovine mastitis.
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Affiliation(s)
- Wasana Chaisri
- Department of Food Animal Clinics, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Research Center of Producing and Development of Products and Innovations for Animal Health and Production, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Parichat Suebsakwong
- Center of Excellent in Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Hataichanok Pandith
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50100, Thailand
| | - Aussara Panya
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50100, Thailand
| | - Kraisorn Taynawa
- Center of Excellent in Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Surachai Pikulkaew
- Department of Food Animal Clinics, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Research Center of Producing and Development of Products and Innovations for Animal Health and Production, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Witaya Suriyasathaporn
- Department of Food Animal Clinics, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Research Center of Producing and Development of Products and Innovations for Animal Health and Production, Chiang Mai University, Chiang Mai, 50200, Thailand
- Cambodia Campus, Asian Satellite Campuses Institute, Nagoya University, Nagoya, 464-8601, Japan
| | - Siriporn Okonogi
- Center of Excellent in Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
- Department of Pharmaceutical Science, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Ruttiros Khonkarn
- Research Center of Producing and Development of Products and Innovations for Animal Health and Production, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Center of Excellent in Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Department of Pharmaceutical Science, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand.
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The Solubility Studies and the Complexation Mechanism Investigations of Biologically Active Spiro[cyclopropane-1,3'-oxindoles] with β-Cyclodextrins. Pharmaceutics 2023; 15:pharmaceutics15010228. [PMID: 36678857 PMCID: PMC9861668 DOI: 10.3390/pharmaceutics15010228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
In this work, we first improved the aqueous solubility of biologically active spiro[cyclopropane-1,3′-oxindoles] (SCOs) via their complexation with different β-cyclodextrins (β-CDs) and proposed a possible mechanism of the complex formation. β-CDs significantly increased the water solubility of SCOs (up to fourfold). Moreover, the nature of the substituents in the β-CDs influenced the solubility of the guest molecule (MβCD > SBEβCD > HPβCD). Complexation preferably occurred via the inclusion of aromatic moieties of SCOs into the hydrophobic cavity of β-CDs by the numerous van der Waals contacts and formed stable supramolecular systems. The phase solubility technique and optical microscopy were used to determine the dissociation constants of the complexes (Kc~102 M−1) and reveal a significant decrease in the size of the formed crystals. FTIR-ATR microscopy, PXRD, and 1H-1H ROESY NMR measurements, as well as molecular modeling studies, were carried out to elucidate the host−guest interaction mechanism of the complexation. Additionally, in vitro experiments were carried out and revealed enhancements in the antibacterial activity of SCOs due to their complexation with β-CDs.
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Yakupova LR, Kopnova TY, Skuredina AA, Le-Deygen IM, Shustrov PN, Novoselov AM, Kudryashova EV. The Formation of β-Cyclodextrin Complexes with Levofloxacin and Ceftriaxone as an Approach to the Regulation of Drugs’ Pharmacokinetic. COLLOID JOURNAL OF THE RUSSIAN ACADEMY OF SCIENCES 2023; 85:114-127. [PMCID: PMC10112827 DOI: 10.1134/s1061933x22600488] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 08/04/2022] [Accepted: 08/25/2022] [Indexed: 06/29/2023]
Abstract
The study has been devoted to the complexation of hydroxypropyl-β-cyclodextrin (HPCD) with antibacterial drugs, namely, ceftriaxone (CT) and levofloxacin (LV), which are used to treat respiratory diseases, including bacterial infections of the respiratory tract. FTIR and NMR spectroscopic investigations have shown that the LV–HPCD complex is formed mainly due to the inclusion of the aromatic fragment of LV into the HPCD cavity; while the CT–HPCD complex is realized on the HPCD surface. Being a more hydrophobic molecule, LV forms ten times stronger complexes with HPCD than does CT: KdisLV-HPCD ~ 10–3 M, while KdisCT-HPCD ~10–2 M at pH 7.4. It has been shown that, for singly charged forms of the drugs, the complexes are two times more stable. Fluorescence spectroscopy has been employed to study the thermodynamic parameters for the interaction of dosage forms with human serum albumin. Negative values of ΔH and ΔS of the reaction have indicated both hydrogen bonding and van der Waals interactions during the complexation of both drugs with human serum albumin. It has been found that the protein is ~4 times more strongly bound to LV at 37°C as compared with CT. The data obtained will make it possible to improve the characteristics of the studied drugs and bring the methods of treating severe forms of respiratory diseases to a new level.
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Affiliation(s)
- L. R. Yakupova
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
| | - T. Yu. Kopnova
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
| | - A. A. Skuredina
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
| | - I. M. Le-Deygen
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
| | - P. N. Shustrov
- Sechenov First Moscow State Medical University, Ministry of Health of Russia (Sechenov University), 119991 Moscow, Russia
| | - A. M. Novoselov
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
| | - E. V. Kudryashova
- Department of Chemistry, Moscow State University, 119296 Moscow, Russia
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Deciphering the interactions of genistein with β-cyclodextrin derivatives through experimental and microsecond timescale umbrella sampling simulations. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Ghasemzadeh F, Mohammadi M, Najafpour GD, Moghadamnia AA. Ursolic acid loaded β-cyclodextrin/folic acid/Fe3O4 nanocomplex for drug delivery to tumor cells. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Rho SJ, Kim YR. Improving solubility and stability of fat-soluble vitamins (A, D, E, and K) using large-ring cycloamylose. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
Due to their unique structural, physical and chemical properties, cyclodextrins and their derivatives have been of great interest to scientists and researchers in both academia and industry for over a century. Many of the industrial applications of cyclodextrins have arisen from their ability to encapsulate, either partially or fully, other molecules, especially organic compounds. Cyclodextrins are non-toxic oligopolymers of glucose that help to increase the solubility of organic compounds with poor aqueous solubility, can mask odors from foul-smelling compounds, and have been widely studied in the area of drug delivery. In this review, we explore the structural and chemical properties of cyclodextrins that give rise to this encapsulation (i.e., the formation of inclusion complexes) ability. This review is unique from others written on this subject because it provides powerful insights into factors that affect cyclodextrin encapsulation. It also examines these insights in great detail. Later, we provide an overview of some industrial applications of cyclodextrins, while emphasizing the role of encapsulation in these applications. We strongly believe that cyclodextrins will continue to garner interest from scientists for many years to come, and that novel applications of cyclodextrins have yet to be discovered.
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Hogenbom J, Istanbouli M, Faraone N. Novel β-Cyclodextrin and Catnip Essential Oil Inclusion Complex and Its Tick Repellent Properties. Molecules 2021; 26:molecules26237391. [PMID: 34885973 PMCID: PMC8659168 DOI: 10.3390/molecules26237391] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/25/2021] [Accepted: 12/03/2021] [Indexed: 11/25/2022] Open
Abstract
Cyclodextrin inclusion complexes have been successfully used to encapsulate essential oils, improving their physicochemical properties and pharmacological effects. Besides being well-known for its effects on cats and other felines, catnip (Nepeta cataria) essential oil demonstrates repellency against blood-feeding pests such as mosquitoes. This study evaluates the tick repellency of catnip oil alone and encapsulated in β-cyclodextrin, prepared using the co-precipitation method at a 1:1 molar ratio. The physicochemical properties of this inclusion complex were characterized using GC-FID for encapsulation efficiency and yield and SPME/GC-MS for volatile emission. Qualitative assessment of complex formation was done by UV-Vis, FT-IR, 1H NMR, and SEM analyses. Catnip oil at 5% (v/v) demonstrated significant tick repellency over time, being comparable to DEET as used in commercial products. The prepared [catnip: β-CD] inclusion complex exerted significant tick repellency at lower concentration of the essential oil (equivalent of 1% v/v). The inclusion complex showed that the release of the active ingredient was consistent after 6 h, which could improve the effective repellent duration. These results demonstrated the effective tick repellent activity of catnip essential oil and the successful synthesis of the inclusion complex, suggesting that β-CDs are promising carriers to improve catnip oil properties and to expand its use in repellent formulations for tick management.
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Mayol B, Díez P, Sánchez A, de la Torre C, Villalonga A, Lucena-Sánchez E, Sancenón F, Martínez-Ruiz P, Vilela D, Martínez-Máñez R, Villalonga R. A glutathione disulfide-sensitive Janus nanomachine controlled by an enzymatic AND logic gate for smart delivery. NANOSCALE 2021; 13:18616-18625. [PMID: 34734589 DOI: 10.1039/d0nr08282a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This work describes the assembly of a novel enzyme-controlled nanomachine operated through an AND Boolean logic gate for on-command delivery. The nanodevice was constructed on Au-mesoporous silica Janus nanoparticles capped with a thiol-sensitive gate-like molecular ensemble on the mesoporous face and functionalized with glutathione reductase on the gold face. This autonomous nanomachine employed NADPH and glutathione disulfide as input chemical signals, leading to the enzymatic production of reduced glutathione that causes the disruption of the gating mechanism on the mesoporous face and the consequent payload release as an output signal. The nanodevice was successfully used for the autonomous release of doxorubicin in HeLa cancer cells and RAW 264.7 macrophage cells.
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Affiliation(s)
- Beatriz Mayol
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Paula Díez
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Alfredo Sánchez
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Cristina de la Torre
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Anabel Villalonga
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Elena Lucena-Sánchez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Paloma Martínez-Ruiz
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Diana Vilela
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Reynaldo Villalonga
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
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Design of a novel PEBA/CDs polymeric fibrous composite nanostructure in order to remove navicula algal and improve the quality of drinking water. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03852-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Kazlauskaite JA, Ivanauskas L, Bernatoniene J. Cyclodextrin-Assisted Extraction Method as a Green Alternative to Increase the Isoflavone Yield from Trifolium pratensis L. Extract. Pharmaceutics 2021; 13:pharmaceutics13050620. [PMID: 33926032 PMCID: PMC8145902 DOI: 10.3390/pharmaceutics13050620] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/22/2021] [Accepted: 04/22/2021] [Indexed: 01/30/2023] Open
Abstract
Trifolium pratense L. is receiving increasing attention due to the isoflavones it contains, which have been studied for their benefits to human health. A common problem with isoflavone aglycones is a rather low water solubility and limited pharmaceutical applications. The use of excipients, such as cyclodextrins in the production of isoflavone rich extracts, could become one of the new strategies for the extraction of target compounds. The aim of this study was to evaluate an eco-friendly method using the effects of α-, β- and γ-cyclodextrins for isoflavone solubilization in plant extracts in comparison to a standard extract without excipients. Extractions of red clover were prepared using ultrasound-assisted combined with thermal hydrolysis and heat reflux. It was determined that cyclodextrins significantly increased the isoflavones aglycone yields. By increasing cyclodextrins in the extraction media from 1 to 5%, the daidzin concentration increased on average by 1.06 (α-cyclodextrins), 1.4 (β-cyclodextrins) and 1.25 (γ-cyclodextrins) times. Genistein concentration increased using α- and γ-cyclodextrins (1.28 and 1.12 times, α- and γ-cyclodextrins, respectively), but decreased using β-cyclodextrins. The results showed that the cyclodextrin-assisted extraction enhanced the yields of isoflavones from red clover, which suggests using cyclodextrins as a green alternative and a cost-effective method to increase its pharmaceutical application.
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Affiliation(s)
- Jurga Andreja Kazlauskaite
- Department of Drug Technology and Social Pharmacy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania;
- Institute of Pharmaceutical Technologies, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
| | - Liudas Ivanauskas
- Department of Analytical and Toxicological Chemistry, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania;
| | - Jurga Bernatoniene
- Department of Drug Technology and Social Pharmacy, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania;
- Institute of Pharmaceutical Technologies, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
- Correspondence: ; Tel.: +370-6-0063349
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Wu HH, Garidel P, Michaela B. HP-β-CD for the formulation of IgG and Ig-based biotherapeutics. Int J Pharm 2021; 601:120531. [PMID: 33775727 DOI: 10.1016/j.ijpharm.2021.120531] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/11/2021] [Accepted: 03/20/2021] [Indexed: 12/14/2022]
Abstract
The main challenge to develop HCF for IgG and Ig-based therapeutics is to achieve essential solubility, viscosity and stability of these molecules in order to maintain product quality and meet regulatory requirement during manufacturing, production, storage, shipment and administration processes. The commonly used and FDA approved excipients for IgG and Ig -based therapeutics may no longer fulfil the challenge of HCF development for these molecules to certain extent, especially for some complex Ig-based platforms. 2-Hydroxypropyl beta-cyclodextrin (HP-β-CD) is one of the promising excipients applied recently for HCF development of IgG and Ig-based therapeutics although it has been used for formulation of small synthesized chemical drugs for more than thirty years. This review describes essential aspects about application of HP-β-CD as excipient in pharmaceutical formulation, including physico-chemical properties of HP-β-CD, supply chain, regulatory, patent landscape, marketed drugs with HP-β-CD, analytics and analytical challenges, stability and control strategies, and safety concerns. It also provides an overview of different studies, and outcomes thereof, regarding formulation development for IgGs and Ig-based molecules in liquid and solid (lyophilized) dosage forms with HP-β-CD. The review specifically highlights the challenges for formulation manufacturing of IgG and Ig-based therapeutics with HP-β-CD and identifies areas for future work in pharmaceutical and formulation development.
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Affiliation(s)
- Helen Haixia Wu
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, Pharmaceutical Development Biologicals, Biberach an der Riss, Germany.
| | - Patrick Garidel
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, Pharmaceutical Development Biologicals, Biberach an der Riss, Germany
| | - Blech Michaela
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, Pharmaceutical Development Biologicals, Biberach an der Riss, Germany
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Improvement of Water Solubility of Mercaptoundecahydrododecaborate (BSH)-Peptides by Conjugating with Ethylene Glycol Linker and Interaction with Cyclodextrin. Processes (Basel) 2021. [DOI: 10.3390/pr9010167] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
We previously developed a conjugate consisting of 10B cluster BSH and tri-arginine peptide (BSH-3R). This could potentially be used as a boron agent for boron neutron capture therapy; however, it possesses poor water solubility and thus needs to be improved for use as medicine. In this study, we devised several means of improving the water solubility of BSH-3R. As one of them, we used cyclodextrin (CD), which was expected to improve the water solubility resulting from interaction of the BSH-3R with CD. We evaluated the solubility of BSH-3R in aqueous CD solution by using reverse-phase high-performance liquid chromatography. As we expected, the solubility of BSH-3R was increased in a manner dependent on the addition of β-CD and γ-CD in aqueous solution. Furthermore, we synthesized BSH conjugated to oligoarginine having various chain lengths (BSH-nR) and BSH-3R with ethylene glycol linkers introduced between BSH and 3R (BSH-nEg-3R). The water solubility of these BSH peptides was also evaluated and the results showed that the introduction of nEg to BSH-3R markedly improved the water solubility. Furthermore, we found that the water solubility of these peptides can be further improved by also applying CD.
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15
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Melnikova DL, Badrieva ZF, Kostin MA, Maller C, Stas M, Buczek A, Broda MA, Kupka T, Kelterer AM, Tolstoy PM, Skirda VD. On Complex Formation between 5-Fluorouracil and β-Cyclodextrin in Solution and in the Solid State: IR Markers and Detection of Short-Lived Complexes by Diffusion NMR. Molecules 2020; 25:E5706. [PMID: 33287255 PMCID: PMC7731325 DOI: 10.3390/molecules25235706] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022] Open
Abstract
In this work, the nuclear magnetic resonance (NMR) and IR spectroscopic markers of the complexation between 5-fluorouracil (5-FU) and β-cyclodextrin (β-CD) in solid state and in aqueous solution are investigated. In the attenuated total reflectance(ATR) spectra of 5-FU/β-CD products obtained by physical mixing, kneading and co-precipitation, we have identified the two most promising marker bands that could be used to detect complex formations: the C=O and C-F stretching bands of 5-FU that experience a blue shift by ca. 8 and 2 cm-1 upon complexation. The aqueous solutions were studied by NMR spectroscopy. As routine NMR spectra did not show any signs of complexation, we have analyzed the diffusion attenuation of spin-echo signals and the dependence of the population factor of slowly diffusing components on the diffusion time (diffusion NMR of pulsed-field gradient (PFG) NMR). The analysis has revealed that, at each moment, ~60% of 5-FU molecules form a complex with β-CD and its lifetime is ca. 13.5 ms. It is likely to be an inclusion complex, judging from the independence of the diffusion coefficient of β-CD on complexation. The obtained results could be important for future attempts of finding better methods of targeted anticancer drug delivery.
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Affiliation(s)
- Daria L. Melnikova
- Institute of Physics, Kazan Federal University, Kremlevskaya 16a, 420111 Kazan, Russia; (D.L.M.); (Z.F.B.)
| | - Zilya F. Badrieva
- Institute of Physics, Kazan Federal University, Kremlevskaya 16a, 420111 Kazan, Russia; (D.L.M.); (Z.F.B.)
| | - Mikhail A. Kostin
- Institute of Chemistry, St. Petersburg State University, Universitetskiy pr. 26, 198504 St. Petersburg, Russia;
| | - Corina Maller
- Institute of Physical and Theoretical Chemistry, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010 Graz, Austria; (C.M.); (A.-M.K.)
| | - Monika Stas
- Department of Chemistry, Opole University, Oleska Street 48, 45-052 Opole, Poland; (M.S.); (A.B.); (M.A.B.)
| | - Aneta Buczek
- Department of Chemistry, Opole University, Oleska Street 48, 45-052 Opole, Poland; (M.S.); (A.B.); (M.A.B.)
| | - Malgorzata A. Broda
- Department of Chemistry, Opole University, Oleska Street 48, 45-052 Opole, Poland; (M.S.); (A.B.); (M.A.B.)
| | - Teobald Kupka
- Department of Chemistry, Opole University, Oleska Street 48, 45-052 Opole, Poland; (M.S.); (A.B.); (M.A.B.)
| | - Anne-Marie Kelterer
- Institute of Physical and Theoretical Chemistry, Graz University of Technology, NAWI Graz, Stremayrgasse 9, 8010 Graz, Austria; (C.M.); (A.-M.K.)
| | - Peter M. Tolstoy
- Institute of Chemistry, St. Petersburg State University, Universitetskiy pr. 26, 198504 St. Petersburg, Russia;
| | - Vladimir D. Skirda
- Institute of Physics, Kazan Federal University, Kremlevskaya 16a, 420111 Kazan, Russia; (D.L.M.); (Z.F.B.)
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16
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Azhari NR, Yahaya N, Mohd Suah FBM, Prabu S, Yih Hui B, Shahriman MS, Mohamad Zain NN, Raoov M. Enantioseparation of ketoconazole and miconazole by capillary electrophoresis and a study on their inclusion interactions with β-cyclodextrin and derivatives. Chirality 2020; 33:37-50. [PMID: 33197086 DOI: 10.1002/chir.23285] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/22/2020] [Accepted: 10/14/2020] [Indexed: 11/07/2022]
Abstract
A chiral separation method coupled with capillary electrophoresis (CE) analysis for ketoconazole and miconazole enantiomers using chiral selectors such as β-cyclodextrin (β-CD) and hydroxypropyl-β-CD (HP-β-CD) was developed in this study, which included the optimisation, validation and application of the method on the antifungal cream samples. The formation of inclusion complex between the hosts (β-CD and HP-β-CD) and guests (ketoconazole and miconazole) were compared and analysed using ultraviolet-visible spectrophotometry, nuclear magnetic resonance (NMR) spectroscopy and molecular docking methods. Results from the study showed that in a concentration that ranged between 0.25 and 50 mg L-1 , the linear calibration curves of each enantiomer had a high coefficient of regression (R2 > 0.999), low limit of detection (0.075 mg L-1 ) and low limit of quantification (0.25 mg L-1 ). The relative standard deviation (RSD) of the intraday and interday analyses ranged from 0.79% to 8.01% and 3.30% to 11.43%, respectively, while the recoveries ranged from 82.0% to 105.7% (RSD < 7%, n = 3). The most probable structure of the inclusion complexes was proposed based on the findings from the molecular docking studies conducted using the PatchDock server.
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Affiliation(s)
- Nurul Raihana Azhari
- Integrative Medicine Cluster, Advanced Medical and Dental Institute (AMDI), University of Science, Malaysia, Penang, Malaysia
| | - Noorfatimah Yahaya
- Integrative Medicine Cluster, Advanced Medical and Dental Institute (AMDI), University of Science, Malaysia, Penang, Malaysia
| | | | - Samikannu Prabu
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Boon Yih Hui
- Malaysian Pharmaceutical Industries Sdn. Bhd, Penang, Malaysia
| | | | - Nur Nadhirah Mohamad Zain
- Integrative Medicine Cluster, Advanced Medical and Dental Institute (AMDI), University of Science, Malaysia, Penang, Malaysia
| | - Muggundha Raoov
- Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
- Centre for Ionic Liquids, Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
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17
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Xiao Y, Ho CT, Chen Y, Wang Y, Wei Z, Dong M, Huang Q. Synthesis, Characterization, and Evaluation of Genistein-Loaded Zein/Carboxymethyl Chitosan Nanoparticles with Improved Water Dispersibility, Enhanced Antioxidant Activity, and Controlled Release Property. Foods 2020; 9:E1604. [PMID: 33158107 PMCID: PMC7694205 DOI: 10.3390/foods9111604] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 02/02/2023] Open
Abstract
Genistein is one of major isoflavones derived from soybean products and it is believed to have beneficial effects on human health. However, its low water-solubility and poor oral bioavailability severely hamper its use as a functional food ingredient or for pharmaceutical industry. In this study, zein and zein/carboxymethyl chitosan (CMCS) nanoparticles were prepared to encapsulate genistein using a combined liquid-liquid phase separation method. The physicochemical properties of fabricated nanoparticles were characterized by dynamic light scattering (DLS), atomic force microscopy (AFM), and Fourier transform infrared spectroscopy (FTIR). The results demonstrated that genistein encapsulated with zein nanoparticles significantly improved its water dispersibility, antioxidant activity in the aqueous phase, and photostability against UV light. Moreover, genistein encapsulated in zein nanoparticles showed a sustained release property. Furthermore, it was found that encapsulation efficiency of genistein was significantly enhanced after CMCS coating, and this effect was more pronounced after the complex nanoparticles cross-linked with calcium ions when compared with the use of zein as a single encapsulant. In addition, compared to zein nanoparticles without biopolymer coating, CMCS coating significantly enhanced the thermal and storage stability of the formed nanoparticles, and delayed the release of genistein. A schematic diagram of zein and zein/carboxymethyl chitosan (CMCS) nanoparticles formation mechanism for encapsulation of genistein was proposed. According to the results of the current study, it could be concluded that encapsulation of genistein in zein/CMCS nanoparticles is a promising approach to improve its water dispersibility, antioxidant activity, photostability against UV light and provide controlled release for food/pharmaceutical applications.
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Affiliation(s)
- Yu Xiao
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.X.); (Y.W.)
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ 08901, USA; (C.-T.H.); (Z.W.)
| | - Chi-Tang Ho
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ 08901, USA; (C.-T.H.); (Z.W.)
| | - Yulian Chen
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
| | - Yuanliang Wang
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China; (Y.X.); (Y.W.)
| | - Zihao Wei
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ 08901, USA; (C.-T.H.); (Z.W.)
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Qingrong Huang
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ 08901, USA; (C.-T.H.); (Z.W.)
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18
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Jimenez-Falcao S, Joga N, García-Fernández A, Llopis Lorente A, Torres D, de Luis B, Sancenón F, Martínez-Ruiz P, Martínez-Máñez R, Villalonga R. Janus nanocarrier powered by bi-enzymatic cascade system for smart delivery. J Mater Chem B 2020; 7:4669-4676. [PMID: 31364688 DOI: 10.1039/c9tb00938h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
We report herein the assembly of an integrated nanodevice with bi-enzymatic cascade control for on-command cargo release. This nanocarrier is based on Au-mesoporous silica Janus nanoparticles capped at the mesoporous face with benzimidazole/β-cyclodextrin-glucose oxidase pH-sensitive gate-like ensembles and functionalized with invertase on the gold face. The rationale for this delivery mechanism is based on the invertase-mediated hydrolysis of sucrose yielding glucose, which is further transformed into gluconic acid by glucose oxidase causing the disruption of the pH-sensitive supramolecular gates at the Janus nanoparticles. This enzyme-powered device was successfully employed in the autonomous and on-demand delivery of doxorubicin in HeLa cancer cells.
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Affiliation(s)
- Sandra Jimenez-Falcao
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Natalia Joga
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Alba García-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain. and Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Antoni Llopis Lorente
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain. and Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Daniel Torres
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Beatriz de Luis
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain. and Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain. and Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Paloma Martínez-Ruiz
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain. and Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain and CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Reynaldo Villalonga
- Nanosensors and Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
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19
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Bezerra FM, Lis MJ, Firmino HB, Dias da Silva JG, Curto Valle RDCS, Borges Valle JA, Scacchetti FAP, Tessaro AL. The Role of β-Cyclodextrin in the Textile Industry-Review. Molecules 2020; 25:molecules25163624. [PMID: 32784931 PMCID: PMC7465207 DOI: 10.3390/molecules25163624] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/06/2020] [Accepted: 08/08/2020] [Indexed: 01/31/2023] Open
Abstract
β-Cyclodextrin (β-CD) is an oligosaccharide composed of seven units of D-(+)-glucopyranose joined by α-1,4 bonds, which is obtained from starch. Its singular trunk conical shape organization, with a well-defined cavity, provides an adequate environment for several types of molecules to be included. Complexation changes the properties of the guest molecules and can increase their stability and bioavailability, protecting against degradation, and reducing their volatility. Thanks to its versatility, biocompatibility, and biodegradability, β-CD is widespread in many research and industrial applications. In this review, we summarize the role of β-CD and its derivatives in the textile industry. First, we present some general physicochemical characteristics, followed by its application in the areas of dyeing, finishing, and wastewater treatment. The review covers the role of β-CD as an auxiliary agent in dyeing, and as a matrix for dye adsorption until chemical modifications are applied as a finishing agent. Finally, new perspectives about its use in textiles, such as in smart materials for microbial control, are presented.
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Affiliation(s)
- Fabricio Maestá Bezerra
- Textile Engineering (COENT), Universidade Tecnológica Federal do Paraná (UTFPR), Apucarana 86812-460, Paraná, Brazil;
- Correspondence: (F.M.B.); (M.J.L.)
| | - Manuel José Lis
- INTEXTER-UPC, Terrassa, 0822 Barcelona, Spain
- Correspondence: (F.M.B.); (M.J.L.)
| | - Helen Beraldo Firmino
- Postgraduate Program in Materials Science & Engineering (PPGCEM), Universidade Tecnológica Federal do Paraná (UTFPR), Apucarana 86812-460, Paraná, Brazil;
| | - Joyce Gabriella Dias da Silva
- Postgraduate Program in Environmental Engineering (PPGEA), Universidade Tecnológica Federal do Paraná (UTFPR), Apucarana 86812-460, Paraná, Brazil;
| | - Rita de Cassia Siqueira Curto Valle
- Department of Textile Engineering, Universidade Federal de Santa Catarina (UFSC), Blumenau 89036-002, Santa Catarina, Brazil; (R.d.C.S.C.V.); (J.A.B.V.)
| | - José Alexandre Borges Valle
- Department of Textile Engineering, Universidade Federal de Santa Catarina (UFSC), Blumenau 89036-002, Santa Catarina, Brazil; (R.d.C.S.C.V.); (J.A.B.V.)
| | | | - André Luiz Tessaro
- Chemistry graduation (COLIQ), Universidade Tecnológica Federal do Paraná (UTFPR), Apucarana 86812-460, Paraná, Brazil;
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20
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Molupe N, Babu B, Prinsloo E, Kaassis AYA, Edkins K, Mack J, Nyokong T. Photodynamic activity of Sn(IV) meso-tetraacenaphthylporphyrin and its methyl-β-cyclodextrin inclusion complexes on MCF-7 breast cancer cells. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424619501633] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A novel Sn(IV) meso-tetraacenaphthylporphyrin (SnTAcP) has been synthesized and characterized. SnTAcP was complexed with methyl-[Formula: see text]-cyclodextrin (m[Formula: see text]-CD), a nanocarrier that enhances water solubility, and the complexes were evaluated as PDT agents using MCF-7 breast cancer cells. A relatively low singlet oxygen quantum yield value of 0.36 was obtained in DMF, and the lowest energy Q band lies at 608 nm on the edge of the therapeutic window. SnTAcP was found to be non-toxic in the dark and phototoxic towards MCF-7 breast cancer cells with a half-maximal inhibitory concentration (IC[Formula: see text] value of 11 ± 1.1 [Formula: see text]g · mL[Formula: see text] after 30 min of irradiation with a 625 nm Thorlabs LED that provides a dose of 432 J · cm[Formula: see text]. A higher IC[Formula: see text] value of 21 ± 1.1 [Formula: see text]g · mL-1 was obtained for the m[Formula: see text]-CD inclusion complex of SnTAcP.
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Affiliation(s)
- Nthabeleng Molupe
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Balaji Babu
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Earl Prinsloo
- Biotechnology Innovation Centre, Rhodes University, Makhanda 6140, South Africa
| | | | - Katharina Edkins
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - John Mack
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
| | - Tebello Nyokong
- Institute for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Makhanda 6140, South Africa
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21
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Venuti V, Crupi V, Fazio B, Majolino D, Acri G, Testagrossa B, Stancanelli R, De Gaetano F, Gagliardi A, Paolino D, Floresta G, Pistarà V, Rescifina A, Ventura CA. Physicochemical Characterization and Antioxidant Activity Evaluation of Idebenone/Hydroxypropyl- β-Cyclodextrin Inclusion Complex †. Biomolecules 2019; 9:biom9100531. [PMID: 31557949 PMCID: PMC6843366 DOI: 10.3390/biom9100531] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/21/2019] [Accepted: 09/22/2019] [Indexed: 12/23/2022] Open
Abstract
Idebenone (IDE) is an antioxidant drug active at the level of the central nervous system (CNS), whose poor water solubility limits its clinical application. An IDE/2-hydroxypropyl-β-cyclodextrin (IDE/HP-β-CD) inclusion complex was investigated by combining experimental methods and theoretical approaches. Furthermore, biological in vitro/ex vivo assays were performed. Phase solubility studies showed an AL type diagram, suggesting the presence of a 1:1 complex with high solubility. Scanning electron microscopy (SEM) allowed us to detect the morphological changes upon complexation. The intermolecular interactions stabilizing the inclusion complex were experimentally characterized by exploring the complementarity of Fourier-transform infrared spectroscopy in attenuated total reflectance geometry (FTIR-ATR) with mid-infrared light, Fourier-transform near-infrared (FT-NIR) spectroscopy, and Raman spectroscopy. From the temperature evolution of the O–H stretching band of the complex, the average enthalpy ΔHHB of the hydrogen bond scheme upon inclusion was obtained. Two-dimensional (2D) rotating frame Overhauser effect spectroscopy (ROESY) analysis and computational studies involving molecular modeling and molecular dynamics (MD) simulation demonstrated the inclusion of the quinone ring of IDE inside the CD ring. In vitro/ex vivo studies evidenced that complexation produces a protective effect of IDE against the H2O2-induced damage on human glioblastoma astrocytoma (U373) cells and increases IDE permeation through the excised bovine nasal mucosa.
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Affiliation(s)
- Valentina Venuti
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, V.le F. Stagno D'Alcontres, 31-98166 Messina, Italy.
| | - Vincenza Crupi
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina, V.le F. Stagno D'Alcontrés, 31-98166 Messina, Italy.
| | - Barbara Fazio
- CNR-IPCF Istituto per i Processi Chimico Fisici, V.le F. Stagno d'Alcontres, 37-98158 Faro Superiore, Messina, Italy.
| | - Domenico Majolino
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, V.le F. Stagno D'Alcontres, 31-98166 Messina, Italy.
| | - Giuseppe Acri
- Dipartimento di Scienze Biomediche, Odontoiatriche, e delle Immagini Morfologiche e Funzionali, Università degli Studi di Messina, c/o A.O.U. Policlinico "G. Martino" Via Consolare Valeria, 1-98125 Messina, Italy.
| | - Barbara Testagrossa
- Dipartimento di Scienze Biomediche, Odontoiatriche, e delle Immagini Morfologiche e Funzionali, Università degli Studi di Messina, c/o A.O.U. Policlinico "G. Martino" Via Consolare Valeria, 1-98125 Messina, Italy.
| | - Rosanna Stancanelli
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina, V.le F. Stagno D'Alcontrés, 31-98166 Messina, Italy.
| | - Federica De Gaetano
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina, V.le F. Stagno D'Alcontrés, 31-98166 Messina, Italy.
| | - Agnese Gagliardi
- Dipartimento di Medicina Clinica e Sperimentale, Università degli Studi di Catanzaro "Magna Græcia", Campus Universitario "S. Venuta", Viale S. Venuta-88100 Germaneto, Catanzaro, Italy.
| | - Donatella Paolino
- Dipartimento di Medicina Clinica e Sperimentale, Università degli Studi di Catanzaro "Magna Græcia", Campus Universitario "S. Venuta", Viale S. Venuta-88100 Germaneto, Catanzaro, Italy.
| | - Giuseppe Floresta
- Dipartimento di Scienze del Farmaco, Università degli Studi di Catania, V.le A. Doria, 6-95125 Catania, Italy.
| | - Venerando Pistarà
- Dipartimento di Scienze del Farmaco, Università degli Studi di Catania, V.le A. Doria, 6-95125 Catania, Italy.
| | - Antonio Rescifina
- Dipartimento di Scienze del Farmaco, Università degli Studi di Catania, V.le A. Doria, 6-95125 Catania, Italy.
| | - Cinzia A Ventura
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina, V.le F. Stagno D'Alcontrés, 31-98166 Messina, Italy.
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22
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Abstract
Two temperature and pH responsive submicron hydrogels based on poly(N- methylenebisacrylamide), chitosan and β-cyclodextrines (PNCS/CD hydrogel) with varying poly(N-isopropylacrylamide) to chitosan ratios were synthesized according to a simplified procedure, reflecting improved stimuli responsive properties and excellent bio-barrier properties, granted by incorporated chitosan. Hydrogels were applied to cotton-cellulose fabric as active coatings. Subsequently, antimicrobially active savory essential oil (EO) was embedded into the hydrogels in order to develop temperature- and pH-responsive cotton-cellulose fabric with double antimicrobial activity, i.e., bio-barrier formation of chitosan along with the proactive release of savory EO at predetermined conditions. The influence of the hydrogels chemical composition on stimuli responsive and antibacterial properties were assessed. Both PNCS/CD hydrogels showed stimuli responsiveness along with controlled release of savory EO. The chemical composition of the hydrogels strongly influenced the size of the hydrogel particles, their temperature and pH responsiveness, and the bio-barrier forming activity. The increased concentration of chitosan resulted in superior overall stimuli responsiveness and excellent synergy between the antimicrobial activities of the hydrogel and released savory EO.
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23
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Moeini A, Masi M, Zonno MC, Boari A, Cimmino A, Tarallo O, Vurro M, Evidente A. Encapsulation of inuloxin A, a plant germacrane sesquiterpene with potential herbicidal activity, in β-cyclodextrins. Org Biomol Chem 2019; 17:2508-2515. [PMID: 30758008 DOI: 10.1039/c8ob03156h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inuloxin A is a promising plant phytotoxic sesquiterpene that deserves further studies to evaluate its potential as a bioherbicide. However, its low solubility in water and its bioavailability could hamper its practical applications. For this reason, inuloxin A was complexed with β-cyclodextrins by using three different methods, i.e., kneading, co-precipitation and grinding. The resulted complexes were fully characterized by different techniques such as 1H NMR, UV-vis, XRD, DSC and SEM, and they were biologically assayed in comparison with the pure compound in several biological systems. The efficacy of the kneading and grinding complexes was similar to that of inuloxin A and these complexes almost completely inhibit Phelipanche ramosa seed germination. The complete solubility in water and the preservation of the biological properties of these two complexes could allow further studies to develop a novel natural herbicide for parasitic plant management based on these formulations.
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Affiliation(s)
- Arash Moeini
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario Monte S. Angelo, Via Cintia 4, 80126 Napoli, Italy.
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Venuti V, Corsaro C, Stancanelli R, Paciaroni A, Crupi V, Tommasini S, Ventura CA, Majolino D. Analysis of the thermal fluctuations in inclusion complexes of genistein with β-cyclodextrin derivatives. Chem Phys 2019. [DOI: 10.1016/j.chemphys.2018.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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25
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Cai S, Luo B, Zhan X, Zhou X, Lan F, Yi Q, Wu Y. pH-responsive superstructures prepared via the assembly of Fe 3O 4 amphipathic Janus nanoparticles. Regen Biomater 2018; 5:251-259. [PMID: 30338123 PMCID: PMC6184715 DOI: 10.1093/rb/rby016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 05/20/2018] [Accepted: 05/25/2018] [Indexed: 12/14/2022] Open
Abstract
The strategy of using Fe3O4 amphiphilic Janus nanoparticles (Fe3O4@AJNPs) bearing β-cyclodextrin (β-CD) and aminopyridine (APD) functionalized polymethyl methacrylate (PGMA) to construct pH-stimuli responsive co-assemblies through host-guest interactions between β-CD and APD was proposed. The spherical co-assemblies with an average diameter about 210 nm were excellent magnetic responsive and quite stable even up to 2 months in deionized water. The pH-liable capability of these co-assemblies was revealed by disassembly of the formed superstructures with destruction of the built inclusion complexes. The disassembly process was monitored by SEM, TEM, DLS and fluorescent molecules probe. After disassembly of the co-assemblies caused by protonation of nitrogens in APD, hydrophobic PGMA-APD lacking of interactions with the Fe3O4@AJNPs chains was precipitated, and the remained Fe3O4@AJNPs turned to re-assemble to self-assemblies. Besides, the recyclable Fe3O4@APJNs could reassembly with additional PGMA-APD to build co-assemblies with a uniform morphology for several times. These pH-sensitive co-assemblies with high stability, good magnetic responsiveness and cytocompatibility could be used as pH-responsive vehicles within which to encapsulate drugs for subsequent controlled release.
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Affiliation(s)
- Shuang Cai
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Bin Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiaohui Zhan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiaoxi Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Fang Lan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Qiangying Yi
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yao Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan, P.R. China
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Hanpaibool C, Chakcharoensap T, Arifin, Hijikata Y, Irle S, Wolschann P, Kungwan N, Pongsawasdi P, Ounjai P, Rungrotmongkol T. Theoretical analysis of orientations and tautomerization of genistein in β-cyclodextrin. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.05.109] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Fumić B, Jablan J, Cinčić D, Zovko Končić M, Jug M. Cyclodextrin encapsulation of daidzein and genistein by grinding: implication on the glycosaminoglycan accumulation in mucopolysaccharidosis type II and III fibroblasts. J Microencapsul 2017; 35:1-12. [PMID: 29168930 DOI: 10.1080/02652048.2017.1409819] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This work aimed to investigate the potential effect of cyclodextrin encapsulation on intrinsic ability of daidzein (DAD) and genistein (GEN) to inhibit the glycosaminoglycan (GAG) synthesis in fibroblasts originating from patients with mucopolysaccharidosis (MPS), type II and III. DAD or GEN encapsulation with either 2-hydroxypropyl-β-cyclodextrin or sulphobuthylether-β-cyclodextrin were achieved by neat grinding and were characterised by thermal analysis, X-ray powder diffraction, scanning electron microscopy and solubility testing which confirmed the complexes formation with increased solubility with respect to starting compounds. Both isoflavones, as well as their co-ground cyclodextrin complexes reduced GAG levels in the fibroblasts of MPS II and MPS III patients from 54.8-77.5%, in a dose dependent manner, without any significant cytotoxic effect. Cyclodextrin encapsulation did not change the intrinsically high effect of both DAD and GEN on the GAG level reduction in the treated cells, thus could be considered as a part of combination therapies of MPS.
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Affiliation(s)
- Barbara Fumić
- a Faculty of Pharmacy and Biochemistry, Department of Pharmacognosy , University of Zagreb , Zagreb , Croatia.,b Department of Laboratory Diagnostics , University Hospital Centre Zagreb , Zagreb , Croatia
| | - Jasna Jablan
- c Faculty of Pharmacy and Biochemistry, Department of Analystical Chemistry , University of Zagreb , Zagreb , Croatia
| | - Dominik Cinčić
- d Faculty of Science, Chemistry Department , University of Zagreb , Zagreb , Croatia
| | - Marijana Zovko Končić
- a Faculty of Pharmacy and Biochemistry, Department of Pharmacognosy , University of Zagreb , Zagreb , Croatia
| | - Mario Jug
- e Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology , University of Zagreb , Zagreb , Croatia
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Venuti V, Stancanelli R, Acri G, Crupi V, Paladini G, Testagrossa B, Tommasini S, Ventura CA, Majolino D. “Host-guest” interactions in Captisol®/Coumestrol inclusion complex: UV–vis, FTIR-ATR and Raman studies. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.06.054] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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29
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Krishnan P, Rajan M, Kumari S, Sakinah S, Priya SP, Amira F, Danjuma L, Pooi Ling M, Fakurazi S, Arulselvan P, Higuchi A, Arumugam R, Alarfaj AA, Munusamy MA, Hamat RA, Benelli G, Murugan K, Kumar SS. Efficiency of newly formulated camptothecin with β-cyclodextrin-EDTA-Fe 3O 4 nanoparticle-conjugated nanocarriers as an anti-colon cancer (HT29) drug. Sci Rep 2017; 7:10962. [PMID: 28887536 PMCID: PMC5591276 DOI: 10.1038/s41598-017-09140-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 07/24/2017] [Indexed: 11/25/2022] Open
Abstract
Camptothecin (CPT) is an anti-cancer drug that effectively treats various cancers, including colon cancer. However, poor solubility and other drawbacks have restricted its chemotherapeutic potential. To overcome these restrictions, CPT was encapsulated in CEF (cyclodextrin-EDTA-FE3O4), a composite nanoparticle of magnetic iron oxide (Fe3O4), and β-cyclodextrin was cross-linked with ethylenediaminetetraacetic acid (EDTA). This formulation improved CPT’s solubility and bioavailability for cancer cells. The use of magnetically responsive anti-cancer formulation is highly advantageous in cancer chemotherapy. The chemical characterisation of CPT-CEF was studied here. The ability of this nano-compound to induce apoptosis in HT29 colon cancer cells and A549 lung cancer cells was evaluated. The dose-dependent cytotoxicity of CPT-CEF was shown using MTT. Propidium iodide and Annexin V staining, mitochondrial membrane depolarisation (JC-1 dye), and caspase-3 activity were assayed to detect apoptosis in CPT-CEF-treated cancer cells. Cell cycle analysis also showed G1 phase arrest, which indicated possible synergistic effects of the nano-carrier. These study results show that CPT-CEF causes a dose-dependent cell viability reduction in HT29 and A549 cells and induces apoptosis in colon cancer cells via caspase-3 activation. These data strongly suggest that CPT could be used as a major nanocarrier for CPT to effectively treat colon cancer.
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Affiliation(s)
- Poorani Krishnan
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Mariappan Rajan
- Department of Natural Products Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625 021, Tamil Nadu, India.
| | - Sharmilah Kumari
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - S Sakinah
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Sivan Padma Priya
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Fatin Amira
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Lawal Danjuma
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Mok Pooi Ling
- Department of Biomedical Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.,Genetics and Regenerative Medicine Research Centre, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Sharida Fakurazi
- Laboratory of Vaccines and Immunotherapeutic, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Palanisamy Arulselvan
- Laboratory of Vaccines and Immunotherapeutic, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia.,Muthayammal Centre for Advanced Research, Muthayammal College of Arts and Science, Rasipuram, Namakkal, Tamilnadu, 637408, India
| | - Akon Higuchi
- Department of Chemical and Materials Engineering, National Central University, Jhong-li, Taoyuan, 32001, Taiwan.,Department of Reproduction, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan.,Department of Botany and Microbiology, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ramitha Arumugam
- Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Abdullah A Alarfaj
- Department of Botany and Microbiology, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Murugan A Munusamy
- Department of Botany and Microbiology, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Rukman Awang Hamat
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124, Pisa, Italy.,The BioRobotics Institute, Scuola Superiore Sant'Anna, viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy
| | - Kadarkarai Murugan
- Division of Entomology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, India
| | - S Suresh Kumar
- Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 43400 UPM, Serdang Selangor, Malaysia. .,Department of Biomedical Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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Zhang Y, Duan J, Cai L, Ma D, Xue W. Supramolecular Aggregate as a High-Efficiency Gene Carrier Mediated with Optimized Assembly Structure. ACS APPLIED MATERIALS & INTERFACES 2016; 8:29343-29355. [PMID: 27739303 DOI: 10.1021/acsami.6b11390] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
For cancer gene therapy, a safe and high-efficient gene carrier is a must. To resolve the contradiction between gene transfection efficiency and cytotoxicity, many polymers with complex topological structures have been synthesized, although their synthesis processes and structure control are difficult as well as the high molecular weight also bring high cytotoxicity. We proposed an alternative strategy that uses supramolecular inclusion to construct the aggregate from the small molecules for gene delivery, and to further explore the relationship between the topological assembly structure and their ability to deliver gene. Herein, PEI-1.8k-conjugating β-CD through 6-hydroxyl (PEI-6-CD) and 2-hydroxyl (PEI-2-CD) have been synthesized respectively and then assembled with diferrocene (Fc)-ended polyethylene glycol (PEG-Fc). The obtained aggregates were then used to deliver MMP-9 shRNA plasmid for MCF-7 cancer therapy. It was found that the higher gene transfection efficiency can be obtained by selecting PEI-2-CD as the host and tuning the host/guest molar ratios. With the rational modulation of supramolecular architectures, the aggregate played the functions similar to macromolecules which exhibit higher transfection efficiency than PEI-25k, but show much lower cytotoxicity because of the nature of small/low molecules. In vitro and in vivo assays confirmed that the aggregate could deliver MMP-9 shRNA plasmid effectively into MCF-7 cells and then downregulate MMP-9 expression, which induced the significant MCF-7 cell apoptosis, as well inhibit MCF-7 tumor growth with low toxicity. The supramolecular aggregates maybe become a promising carrier for cancer gene therapy and also provided an alternative strategy for designing new gene carriers.
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Affiliation(s)
- Yi Zhang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University , Guangzhou 510632, China
| | - Junkun Duan
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University , Guangzhou 510632, China
| | - Lingguang Cai
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University , Guangzhou 510632, China
| | - Dong Ma
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University , Guangzhou 510632, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University , Guangzhou 510632, China
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31
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Self-emulsifying phospholipid pre-concentrates (SEPPs) for improved oral delivery of the anti-cancer genistein: Development, appraisal and ex-vivo intestinal permeation. Int J Pharm 2016; 511:745-56. [DOI: 10.1016/j.ijpharm.2016.07.078] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 07/28/2016] [Accepted: 07/30/2016] [Indexed: 11/20/2022]
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32
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Izadmanesh Y, Ghasemi JB. Thermodynamic study of β-cyclodextrin-dye inclusion complexes using gradient flow injection technique and molecular modeling. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 165:54-60. [PMID: 27111153 DOI: 10.1016/j.saa.2016.04.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Revised: 03/07/2016] [Accepted: 04/13/2016] [Indexed: 06/05/2023]
Abstract
Gradient flow injection technique-diode array spectrophotometry was applied for β-cyclodextrin (β-CD)-dye inclusion complex studies. A single injection of a small amount of mixed β-CD-dye solution (100μl) into the carrier solution of the dye and recording the spectra gave the titration data. The mole ratio data were calculated by calibrating the dispersion pattern using a calibrator dye (rose bengal). Model-based multivariate methods were used to analyze the spectral-mole ratio data and, as a result, estimate stability constants and concentration-spectral profiles. Reliability was tested by applying this method to study the β-CD host-guest complexes with several dyes as guest molecules. Singular value decomposition (SVD) was used to select the chemical model and reduce noise. Molecular modeling provided the ability to predict the guest conformation-orientation (posing) within the cavity of β-CD and the nature of the involved interactions. Among those dyes showing observable spectral variation, the stoichiometric ratio of β-CD: dye (and log Kf) of methyl orange, fluorescein, phenol red, 4-(2-pyridylazo) resorcinol (PAR), and crystal violet were calculated to be 1:1 (4.26±0.01), 1:1 (1.53±0.08), 1:1 (3.11±0.04), 1:1 (1.06±0.12), and 2:1 (5.27±0.03), respectively. Compared with the classical method of titration, this method is simple and fast and has the advantage of needing reduced human interference. Molecular modeling facilitates a better understanding of the type of interactions and conformation of guest molecules in the β-CD cavity. The details of the proposed method are discussed in this paper.
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Affiliation(s)
- Y Izadmanesh
- Faculty of Chemistry, K. N. Toosi University of Technology, Tehran, Iran
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34
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Venuti V, Rossi B, Crupi V, D'Amico F, Gessini A, Majolino D, Masciovecchio C, Stancanelli R, Ventura CA. Solute-Solvent Interactions in Aqueous Solutions of Sulfobutyl Ether-β-cyclodextrin As Probed by UV-Raman and FTIR-ATR Analysis. J Phys Chem B 2016; 120:3746-53. [PMID: 27043008 DOI: 10.1021/acs.jpcb.6b02261] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A vibrational study by means of UV-Raman and FTIR-ATR measurements has been performed on sulfobutyl ether β-cyclodextrin (SBE-β-CD)-water solutions, as a function of concentration and temperature, with the aim to provide a molecular-scale explanation of the enhanced performances as carrier agent exhibited by this modified macrocycle with respect to natural cyclodextrin. The attention has been mainly paid to the modifications induced on the vibrational band assigned to the O-H stretching intramolecular mode, in turn related to the dynamical rearrangement occurring in the hydrogen bonding (HB) network of water molecules. The results of our measurements clearly showed a characteristic "structure-breaker" effect on the tetrahedral HB arrangements induced on water molecules by increasing of both temperature and solute concentration, allowing us to also extract thermodynamic parameters. These results could be a key step for a clearer understanding of the connection between the dynamical properties of hydration water and the complexing ability of this cyclodextrin derivative.
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Affiliation(s)
- Valentina Venuti
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina , viale Ferdinando Stagno D'Alcontres 31, 98166 Messina, Italy
| | - Barbara Rossi
- Elettra - Sincrotrone Trieste , Strada Statale 14 km 163.5, Area Science Park, I-34149 Trieste, Italy.,Dipartimento di Fisica, Università degli Studi di Trento , via Sommarive 14, I-38123 Povo, Trento, Italy
| | - Vincenza Crupi
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina , viale Ferdinando Stagno D'Alcontres 31, 98166 Messina, Italy
| | - Francesco D'Amico
- Elettra - Sincrotrone Trieste , Strada Statale 14 km 163.5, Area Science Park, I-34149 Trieste, Italy
| | - Alessandro Gessini
- Elettra - Sincrotrone Trieste , Strada Statale 14 km 163.5, Area Science Park, I-34149 Trieste, Italy
| | - Domenico Majolino
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina , viale Ferdinando Stagno D'Alcontres 31, 98166 Messina, Italy
| | - Claudio Masciovecchio
- Dipartimento di Fisica, Università degli Studi di Trento , via Sommarive 14, I-38123 Povo, Trento, Italy
| | - Rosanna Stancanelli
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina , viale Ferdinando Stagno D'Alcontres 31, 98166 Messina, Italy
| | - Cinzia Anna Ventura
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università degli Studi di Messina , viale Ferdinando Stagno D'Alcontres 31, 98166 Messina, Italy
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35
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Tavernier I, Wijaya W, Van der Meeren P, Dewettinck K, Patel AR. Food-grade particles for emulsion stabilization. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.01.023] [Citation(s) in RCA: 170] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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36
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Rizzi V, Matera S, Semeraro P, Fini P, Cosma P. Interactions between 4-thiothymidine and water-soluble cyclodextrins: Evidence for supramolecular structures in aqueous solutions. Beilstein J Org Chem 2016; 12:549-63. [PMID: 27340447 PMCID: PMC4901997 DOI: 10.3762/bjoc.12.54] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 03/04/2016] [Indexed: 01/12/2023] Open
Abstract
Since several years the inclusion of organic compounds (guests) within the hydrophobic cavity (host) of cyclodextrins (CDs) has been the subject of many investigations. Interestingly, the formation of inclusion complexes could affect the properties of the guest molecules and, for example, the influence of the delivery system can be a method to improve/change the photochemical behavior of the guest. In particular, very recent studies have shown the protective role of CDs preventing the degradation of the encapsulated guest. Starting from this consideration, in this work, only the structure and complexation mode of the inclusion complexes involving 4-thiothymidine (S(4)TdR, a known photosensitizer) and five CDs, namely 2-hydroxypropyl-α-cyclodextrin (2-HP-α-CD), 2-hydroxypropyl-β-cyclodextrin (2-HP-β-CD), 2-hydroxypropyl-γ-cyclodextrin (2-HP-γ-CD), heptakis-(2,6-di-O-methyl)-β-cyclodextrin (DIMEB CD) and heptakis-(2,3,6-tri-O-methyl)-β-cyclodextrin (TRIMEB CD) were investigated by different spectroscopic techniques (UV-vis, FTIR-ATR, (1)H NMR) and cyclic voltammetry analysis (CV). This work is necessary for a prospective research on the photoreactivity of S(4)TdR in aqueous environment and in the presence of CDs to prevent its degradation under irradiation. UV-vis, FTIR-ATR and CV measurements suggested the formation of supramolecular structures involving the employed CDs and mainly the pyrimidine ring of S(4)TdR. (1)H NMR analyses confirmed such indication, unveiling the presence of inclusion complexes. The strongest and deepest interactions were suggested when TRIMEB and DIMEB CDs were studied. The S(4)TdR affinity towards CDs was also evaluated by using the Benesi-Hildebrand (B-H) equation at 25 °C employing CV and (1)H NMR methods. The stoichiometry of the interaction was also inferred and it appears to be 1:1 for all examined CDs.
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Affiliation(s)
- Vito Rizzi
- Università degli Studi “Aldo Moro” di Bari, Dipartimento di Chimica Chimica, Via Orabona, 4, 70126 Bari, Italy
| | - Sergio Matera
- Università degli Studi “Aldo Moro” di Bari, Dipartimento di Chimica Chimica, Via Orabona, 4, 70126 Bari, Italy
| | - Paola Semeraro
- Università degli Studi “Aldo Moro” di Bari, Dipartimento di Chimica Chimica, Via Orabona, 4, 70126 Bari, Italy
| | - Paola Fini
- Consiglio Nazionale delle Ricerche CNR-IPCF, UOS Bari, Via Orabona, 4, 70126 Bari, Italy
| | - Pinalysa Cosma
- Università degli Studi “Aldo Moro” di Bari, Dipartimento di Chimica Chimica, Via Orabona, 4, 70126 Bari, Italy
- Consiglio Nazionale delle Ricerche CNR-IPCF, UOS Bari, Via Orabona, 4, 70126 Bari, Italy
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Desai S, Poddar A, Sawant K. Formulation of cyclodextrin inclusion complex-based orally disintegrating tablet of eslicarbazepine acetate for improved oral bioavailability. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 58:826-34. [DOI: 10.1016/j.msec.2015.09.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 08/20/2015] [Accepted: 09/02/2015] [Indexed: 10/23/2022]
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38
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Cannavà C, Stancanelli R, Marabeti MR, Venuti V, Cascio C, Guarneri P, Bongiorno C, Sortino G, Majolino D, Mazzaglia A, Tommasini S, Ventura CA. Nanospheres based on PLGA/amphiphilic cyclodextrin assemblies as potential enhancers of Methylene Blue neuroprotective effect. RSC Adv 2016. [DOI: 10.1039/c5ra27386b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Nanospheres of amphiphilic cyclodextrin and PLGA entrapping Methylene Blue are proposed as potential enhancers of drug neuroprotective effect on neuroblastoma cells.
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39
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Preparation and clay stabilization properties of cationic acrylamide polymer containing β-cyclodextrin. RESEARCH ON CHEMICAL INTERMEDIATES 2015. [DOI: 10.1007/s11164-015-2282-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Isoflavone aglycons-sulfobutyl ether-β-cyclodextrin inclusion complexes: in solution and solid state studies. J INCL PHENOM MACRO 2015. [DOI: 10.1007/s10847-015-0535-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Mura P. Analytical techniques for characterization of cyclodextrin complexes in the solid state: A review. J Pharm Biomed Anal 2015; 113:226-38. [PMID: 25743620 DOI: 10.1016/j.jpba.2015.01.058] [Citation(s) in RCA: 174] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 01/30/2015] [Indexed: 01/09/2023]
Abstract
Cyclodextrins are cyclic oligosaccharides able to form inclusion complexes with a variety of hydrophobic guest molecules, positively modifying their physicochemical properties. A thorough analytical characterization of cyclodextrin complexes is of fundamental importance to provide an adequate support in selection of the most suitable cyclodextrin for each guest molecule, and also in view of possible future patenting and marketing of drug-cyclodextrin formulations. The demonstration of the actual formation of a drug-cyclodextrin inclusion complex in solution does not guarantee its existence also in the solid state. Moreover, the technique used to prepare the solid complex can strongly influence the properties of the final product. Therefore, an appropriate characterization of the drug-cyclodextrin solid systems obtained has also a key role in driving in the choice of the most effective preparation method, able to maximize host-guest interactions. The analytical characterization of drug-cyclodextrin solid systems and the assessment of the actual inclusion complex formation is not a simple task and involves the combined use of several analytical techniques, whose results have to be evaluated together. The objective of the present review is to present a general prospect of the principal analytical techniques which can be employed for a suitable characterization of drug-cyclodextrin systems in the solid state, evidencing their respective potential advantages and limits. The applications of each examined technique are described and discussed by pertinent examples from literature.
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Affiliation(s)
- Paola Mura
- Department of Chemistry, School of Human Health Sciences, University of Florence, Via Schiff 6, Sesto Fiorentino, I-50019 Florence, Italy.
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42
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Zhang D, Fan Y, Li H, Li K, Yao Y, Zhou Y, Yan D. A dumbbell-like supramolecular triblock copolymer and its self-assembly of light-responsive vesicles. RSC Adv 2015. [DOI: 10.1039/c5ra08661b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
The work reports a dumbbell-like supramolecular triblock copolymer and its self-assembly of light-responsive monolayer vesicles.
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Affiliation(s)
- Dapeng Zhang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Yujiao Fan
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Huimei Li
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Ke Li
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Yuan Yao
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Yongfeng Zhou
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Deyue Yan
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
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43
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Investigation on inter molecular complexation between 4,4′-methylene-bis(N,N-dimethylaniline) and β-cyclodextrin: Preparation and characterization in aqueous medium and solid state. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2014.09.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Zou C, Qin Y, Yan X, Zhou L, Luo P. Study on Acidizing Effect of Cationic β-Cyclodextrin Inclusion Complex with Sandstone for Enhancing Oil Recovery. Ind Eng Chem Res 2014. [DOI: 10.1021/ie501569d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Changjun Zou
- School of Chemistry and Chemical Engineering and ‡State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, People’s Republic of China
| | - Yibie Qin
- School of Chemistry and Chemical Engineering and ‡State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, People’s Republic of China
| | - Xueling Yan
- School of Chemistry and Chemical Engineering and ‡State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, People’s Republic of China
| | - Lu Zhou
- School of Chemistry and Chemical Engineering and ‡State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, People’s Republic of China
| | - Pingya Luo
- School of Chemistry and Chemical Engineering and ‡State Key Laboratory of Oil and
Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, People’s Republic of China
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46
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Anjani G, Ohta A, Yasuhara K, Asakawa T. Solubilization of genistein by caseinate micellar system. J Oleo Sci 2014; 63:413-22. [PMID: 24599106 DOI: 10.5650/jos.ess13198] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study investigates the aggregation behavior of caseinate and the solubilization of genistein in aqueous caseinate solution. The critical aggregation concentration (CAC) of caseinate was obtained from the fluorescence intensity of 8-anilino-1-naphthalenesulfonic acid (ANS), which was enhanced by ANS-protein interactions and the hydrophobicity of caseinate. The increasing solubility of genistein in caseinate was confirmed by HPLC measurements; above and below the CAC, the genistein/caseinate molar ratio is 1:1 and 10:1, respectively. The latter ratio indicates that more caseinate molecules surround genistein below the CAC. However, the solubility of genistein in caseinate is unaffected by calcium ions. Atomic force microscopy (AFM) shows that casein sub-micelles are similarly structured in the presence and absence of genistein. In AFM phase images, the caseinate sub-micelle is brightened in the presence of genistein, implying that the particle becomes more rigid, probably because genistein attaches to the surface or to the narrow part of the sub-micelle. The diameter of sub-micelle aggregates is two times that of caseinate alone (24 nm versus 12 nm). These results were confirmed by cryo-TEM observations.
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Affiliation(s)
- Gemala Anjani
- Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
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Venuti V, Cannavà C, Cristiano MC, Fresta M, Majolino D, Paolino D, Stancanelli R, Tommasini S, Ventura CA. A characterization study of resveratrol/sulfobutyl ether-β-cyclodextrin inclusion complex and in vitro anticancer activity. Colloids Surf B Biointerfaces 2013; 115:22-8. [PMID: 24321846 DOI: 10.1016/j.colsurfb.2013.11.025] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 10/18/2013] [Accepted: 11/13/2013] [Indexed: 12/27/2022]
Abstract
A resveratrol/sulfobutylether-β-cyclodextrin inclusion complex was prepared using the freeze-drying method and characterized in solution through UV-vis spectroscopy, solubility phase studies and Job's plot methods. At the solid state it was characterized using the FTIR-ATR technique. Sulfobutylether-β-cyclodextrin has a high affinity for the drug, and forms an inclusion complex with a 1:1 molar ratio both in solution and as a solid sample. It also has a high stability constant (Kc, 10,114 M(-1)). Complexation strongly increases the water solubility of resveratrol (from 0.03 mg/ml to 1.1 mg/ml, at 25 °C) and positively influences its in vitro anticancer activity which was observed on a human breast cancer cell line (MCF-7). In solid phase, FTIR-ATR revealed itself as being a useful technique in elucidating the complexation mechanism, which it did by emphasizing the functional groups involved in the activation of non-covalent "host-guest" interactions.
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Affiliation(s)
- Valentina Venuti
- Dipartimento di Fisica e di Scienze della Terra, Università degli Studi di Messina, Viale Ferdinando Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Carmela Cannavà
- Dipartimento di Scienze del Farmaco e Prodotti per la Salute, Università degli Studi di Messina, V.le Annunziata, I-98168 Messina, Italy
| | - Maria Chiara Cristiano
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Viale Europa, I-88100 Catanzaro, Italy
| | - Massimo Fresta
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Viale Europa, I-88100 Catanzaro, Italy
| | - Domenico Majolino
- Dipartimento di Fisica e di Scienze della Terra, Università degli Studi di Messina, Viale Ferdinando Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Donatella Paolino
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Viale Europa, I-88100 Catanzaro, Italy
| | - Rosanna Stancanelli
- Dipartimento di Scienze del Farmaco e Prodotti per la Salute, Università degli Studi di Messina, V.le Annunziata, I-98168 Messina, Italy
| | - Silvana Tommasini
- Dipartimento di Scienze del Farmaco e Prodotti per la Salute, Università degli Studi di Messina, V.le Annunziata, I-98168 Messina, Italy
| | - Cinzia Anna Ventura
- Dipartimento di Scienze del Farmaco e Prodotti per la Salute, Università degli Studi di Messina, V.le Annunziata, I-98168 Messina, Italy.
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Yatsu FKJ, Koester LS, Lula I, Passos JJ, Sinisterra R, Bassani VL. Multiple complexation of cyclodextrin with soy isoflavones present in an enriched fraction. Carbohydr Polym 2013; 98:726-35. [PMID: 23987405 DOI: 10.1016/j.carbpol.2013.06.062] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Revised: 06/26/2013] [Accepted: 06/27/2013] [Indexed: 11/21/2022]
Abstract
In the present study we evaluated the complexation of daidzein/genistein/glycitein, present in an isoflavone enriched fraction (IEF), with β-cyclodextrin and 2-hydroxypropyl-β-cyclodextrin (HPβCD). Based on the increased solubility and higher complexation efficiency, IEF and HPβCD solid complexes were prepared by kneading, freeze-drying, co-evaporation, spray-drying and microwave. The solid complexes were characterized using Fourier transformed-infrared spectroscopy, differential scanning calorimetry, X-ray diffraction, scanning electron microscopy, and nuclear magnetic resonance spectroscopy, and the isoflavone content and solubility were determined by liquid chromatography. The results suggest that the isoflavones daidzein, genistein and glycitein may be externally associated to HPβCD as well as that isoflavones/HPβCD inclusion complexes are formed through the insertion of B-ring into the cyclodextrin cavity. Except for the freeze-dried IEF/HPβCD solid complex, all complexes showed similar content and solubility. In conclusion, the three isoflavones showed to be able to simultaneously complex with HPβCD.
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Affiliation(s)
- Francini K J Yatsu
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, CEP 90610-000 Porto Alegre, RS, Brazil.
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Investigation of transport of genistein, daidzein and their inclusion complexes prepared with different cyclodextrins on Caco-2 cell line. J Pharm Biomed Anal 2013; 84:112-6. [DOI: 10.1016/j.jpba.2013.05.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/09/2013] [Accepted: 05/11/2013] [Indexed: 11/20/2022]
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50
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Optimization of genistein solubilization by κ-carrageenan hydrogel using response surface methodology. FOOD SCIENCE AND HUMAN WELLNESS 2013. [DOI: 10.1016/j.fshw.2013.06.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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