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Şuta LM, Ridichie A, Ledeţi A, Temereancă C, Ledeţi I, Muntean D, Rădulescu M, Văruţ RM, Watz C, Crăineanu F, Ivan D, Vlase G, Stelea L. Host-Guest Complexation of Itraconazole with Cyclodextrins for Bioavailability Enhancement. Pharmaceutics 2024; 16:560. [PMID: 38675221 PMCID: PMC11054515 DOI: 10.3390/pharmaceutics16040560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/09/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Itraconazole is an antifungal agent included in the triazole pharmacological classification that belongs to the BCS class II, characterized by a low solubility in an aqueous medium (of 1 ng/mL, at neutral pH), which is frequently translated in a low oral bioavailability but with a high permeability. In this sense, it is necessary to find solutions to increase/improve the solubility of itraconazole in the aqueous environment. The main purpose of this study is the preparation and analysis of five different guest-host inclusion complexes containing intraconazole. Initially, a blind docking process was carried out to determine the interactions between itraconazole and the selected cyclodextrins. The second step of the study was to find out if the active pharmaceutical ingredient was entrapped in the cavity of the cyclodextrin, by using spectroscopic and thermal techniques. Also, the antifungal activity of the inclusion complexes was studied to examine if the entrapment of itraconazole influences the therapeutic effect. The results showed that the active substance was entrapped in the cavity of the cyclodextrins, with a molar ratio of 1:3 (itraconazole-cyclodextrin), and that the therapeutic effect was not influenced by the entrapment.
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Affiliation(s)
- Lenuţa-Maria Şuta
- Advanced Instrumental Screening Center, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.-M.Ş.); (A.L.); (I.L.); (D.I.)
- Department II—Pharmaceutical Technology, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Amalia Ridichie
- Advanced Instrumental Screening Center, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.-M.Ş.); (A.L.); (I.L.); (D.I.)
- Faculty of Industrial Chemistry and Environmental Engineering, University Politehnica Timisoara, 2 Victoriei Square, 300006 Timisoara, Romania
| | - Adriana Ledeţi
- Advanced Instrumental Screening Center, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.-M.Ş.); (A.L.); (I.L.); (D.I.)
| | - Claudia Temereancă
- Faculty of Industrial Chemistry and Environmental Engineering, University Politehnica Timisoara, 2 Victoriei Square, 300006 Timisoara, Romania
| | - Ionuţ Ledeţi
- Advanced Instrumental Screening Center, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.-M.Ş.); (A.L.); (I.L.); (D.I.)
- Faculty of Industrial Chemistry and Environmental Engineering, University Politehnica Timisoara, 2 Victoriei Square, 300006 Timisoara, Romania
| | - Delia Muntean
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (D.M.); (M.R.); (F.C.); (L.S.)
| | - Matilda Rădulescu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (D.M.); (M.R.); (F.C.); (L.S.)
| | - Renata-Maria Văruţ
- Faculty of Pharmacy, University of Medicine and Pharmacy Craiova, 2-4 Petru Rares Str., 200349 Craiova, Romania;
| | - Claudia Watz
- Department I—Pharmaceutical Physics, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
| | - Florentin Crăineanu
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (D.M.); (M.R.); (F.C.); (L.S.)
| | - Denisa Ivan
- Advanced Instrumental Screening Center, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.-M.Ş.); (A.L.); (I.L.); (D.I.)
| | - Gabriela Vlase
- Research Centre for Thermal Analysis in Environmental Problems, West University of Timisoara, Pestalozzi Street 16, 300115 Timisoara, Romania;
| | - Lavinia Stelea
- Faculty of Medicine, Victor Babeş University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (D.M.); (M.R.); (F.C.); (L.S.)
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Sarafska T, Ivanova S, Dudev T, Tzachev C, Petrov V, Spassov T. Enhanced Solubility of Ibuprofen by Complexation with β-Cyclodextrin and Citric Acid. Molecules 2024; 29:1650. [PMID: 38611930 PMCID: PMC11013186 DOI: 10.3390/molecules29071650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
The ability of β-CD to form inclusion complexes with ibuprofen (IBU) and at the same time to make a two-phase system with citric acid was explored in the present study for achieving improved solubility and dissolution rate of IBU. Mechanical milling as well as mechanical milling combined with thermal annealing of the powder mixtures were applied as synthetic methods. Solubility and dissolution kinetics of the complexes were studied in compliance with European Pharmacopoeia (ICH Q4B). β-CD and citric acid (CA) molecules were shown to interact by both ball milling (BM), thermal annealing, as well as BM with subsequent annealing. Complexes were also formed by milling the three compounds (β-CD, CA and IBU) simultaneously, as well as by a consecutive first including IBU into β-CD and then binding the formed β-CD/IBU inclusion complex with CA. As a result, ternary β-CD/IBU/CA complex formed by initial incorporation of ibuprofen into β-CD, followed by successive formation of a two-phase mixture with CA, exhibited notably improved dissolution kinetics compared to the pure ibuprofen and slightly better compared to the binary β-CD/IBU system. Although the addition of CA to β-CD/IBU does not significantly increase the solubility rate of IBU, it must be considered that the amount of β-CD is significantly less in the ternary complex compared to the binary β-CD/IBU.
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Affiliation(s)
| | | | | | | | | | - Tony Spassov
- Faculty of Chemistry and Pharmacy, Sofia University “St. Kl. Ohridski”, 1164 Sofia, Bulgaria; (T.S.); (S.I.); (T.D.); (C.T.); (V.P.)
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Phan C, Tran D, Le K, Le V, Trinh N, Pham T. Effect of cinnamon essential oil/γ-cyclodextrin inclusion complex on papaya quality and shelf-life. J Sci Food Agric 2024. [PMID: 38445761 DOI: 10.1002/jsfa.13443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 02/16/2024] [Accepted: 02/29/2024] [Indexed: 03/07/2024]
Abstract
BACKGROUND Papaya, a highly nutritious and economically significant fruit, is susceptible to infections caused by phytopathogenic fungi. Cinnamon essential oil, derived from Cinnamomum cassia (CC), shows promise in preserving papaya due to its antifungal properties. However, CC is volatile, sensitive to environmental factors, and carries a strong aroma. γ-Cyclodextrin (γ-CD) is known for encapsulating hydrophilic molecules, shielding them from environmental influences, reducing odor, and enabling controlled release due to its unique channel structure. This study aimed to tackle these challenges by preparing and characterizing an inclusion complex of CC with γ-CD (CC-γ-CD), and subsequently evaluating its efficacy in preserving papaya fruits. RESULTS Analyses, including Fourier-infrared, powder X-ray diffraction, thermal gravity analysis, differential scanning calorimeter, and scanning electron microscopy, revealed successful encapsulation of CC components within the γ-CD cavity. Evaluations of the CC-γ-CD complex's impact on papaya fruit shelf life and quality showed notable enhancements. Fruits treated with CC-γ-CD inclusion complex at a dose of 10 g kg-1 exhibited a 55% extension in shelf-life, evidenced by reduced disease severity index compared with untreated fruit in the same storage conditions. Detailed physicochemical and bromatological assessments highlighted significant improvements, particularly in fruit treated with CC-γ-CD inclusion complex at a dose of 10 g kg-1 . CONCLUSION The application of CC-γ-CD inclusion complex at 10 g kg-1 extended the shelf-life of papaya fruit, significantly and markedly improved the overall quality. These findings underscore the potential of the CC-γ-CD inclusion complex as an effective preservative for papaya, offering a promising solution for its postharvest management and marketability. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Chiuyen Phan
- Faculty of Chemical Engineering and Environment, The University of Danang-University of Technology and Education, Danang, Vietnam
| | - Dinhthinh Tran
- Faculty of Chemical Engineering and Environment, The University of Danang-University of Technology and Education, Danang, Vietnam
| | - Khanh Le
- Faculty of Chemical Engineering and Environment, The University of Danang-University of Technology and Education, Danang, Vietnam
| | - Vutruongson Le
- Faculty of Physics, The University of Danang-University of Science and Education, Danang, Vietnam
| | - Ngocdat Trinh
- Faculty of Physics, The University of Danang-University of Science and Education, Danang, Vietnam
| | - Thinga Pham
- Faculty of Environmental and Natural Sciences, Duy Tan University, Da Nang, Vietnam
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
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Hernández-Tanguma A, Ariza-Castolo A. Dynamics of eugenol included in β-cyclodextrin by nuclear magnetic resonance and molecular simulations. Magn Reson Chem 2024. [PMID: 38369602 DOI: 10.1002/mrc.5439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 02/20/2024]
Abstract
Eugenol-β-cyclodextrin complex has been widely used because of the enhanced stability and conservation of the properties of eugenol. Applications in food and health sciences have been shown previously, which makes this complex an excellent model to understand and develop methodologies for the analysis and prediction of physical properties. In this work, the dynamics of eugenol incorporated into β-cyclodextrin are presented, using NMR relaxation rates, and the predictive capabilities of molecular dynamics simulations are discussed. Results show a hindered rotation of eugenol around the principal inertial axes when located inside β-cyclodextrin. Moreover, a translational movement of the whole complex is demonstrated.
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Affiliation(s)
- Alejandro Hernández-Tanguma
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Armando Ariza-Castolo
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
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Jabłoński M. Characteristics of Intermolecular Interactions between Encapsulated Molecules and the Lantern-Like Carcerand Superphanes. Molecules 2024; 29:601. [PMID: 38338345 PMCID: PMC10856625 DOI: 10.3390/molecules29030601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
The main topic of the article is to provide the characteristics of individual intermolecular interactions present between three lantern-like superphanes and the H2O, NH3, HF, HCN, and MeOH molecules trapped inside them. Despite the large cavity, the freedom of the trapped molecules is significantly limited by the presence of numerous interaction sites on the side chains of the superphane molecule. It is shown that the molecule trapped inside the superphane is stabilized mainly by only one or, less often, two strong hydrogen bonds involving the imino nitrogen atom, but QTAIM calculations also suggest the presence of many other intermolecular interactions, mainly hydrogen bonds involving imino or central hydrogen atoms from the side chains of the superphane molecule. Moreover, it is also shown that the structural simplification of the side chains does not significantly affect both the size of the superphane molecule and the obtained encapsulation energies, which is important in modeling this type of carceplexes. Noticeably, the parent superphane considered here was previously synthesized by the group of Qing He, so the results obtained will help in understanding this type and similar systems.
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Affiliation(s)
- Mirosław Jabłoński
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Torun, Poland
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Benavides PA, Gordillo MA, Thibodeaux E, Yadav A, Johnson E, Sachdeva R, Saha S. Rare Guest-Induced Electrical Conductivity of Zn-Porphyrin Metallacage Inclusion Complexes Featuring π-Donor/Acceptor/Donor Stacks. ACS Appl Mater Interfaces 2024; 16:1234-1242. [PMID: 38108279 DOI: 10.1021/acsami.3c15959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Charge-transfer (CT) interactions between co-facially aligned π-donor/acceptor (π-D/A) arrays engender unique optical and electronic properties that could benefit (supra)molecular electronics and energy technologies. Herein, we demonstrate that a tetragonal prismatic metal-organic cage (MOC18+) having two parallel π-donor tetrakis(4-carboxyphenyl)-Zn-porphyrin (ZnTCPP) faces selectively intercalate planar π-acceptor guests, such as hexaazatriphenylene hexacarbonitrile (HATHCN), hexacyanotriphenylene (HCTP), and napthanelediimide (NDI) derivatives, forming 1:1 πA@MOC18+ inclusion complexes featuring supramolecular π-D/A/D triads. The π-acidity of intercalated π-acceptors (HATHCN ≫ HCTP ≈ NDIs) dictated the nature and strength of their interactions with the ZnTCPP faces, which in turn influenced the binding affinities (Ka) and optical and electronic properties of corresponding πA@MOC18+ inclusion complexes. Owing to its strongest CT interaction with ZnTCPP faces, the most π-acidic HATHCN guest enjoyed the largest Ka (5 × 106 M-1), competitively displaced weaker π-acceptors from the MOC18+ cavity, and generated the highest electrical conductivity (2.1 × 10-6 S/m) among the πA@MOC18+ inclusion complexes. This work demonstrates a unique through-space charge transport capability of πA@MOC18+ inclusion complexes featuring supramolecular π-D/A/D triads, which generated tunable electrical conductivity, which is a rare but much coveted electronic property of such supramolecular assemblies that could further expand their utility in future technologies.
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Affiliation(s)
- Paola A Benavides
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Monica A Gordillo
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Evan Thibodeaux
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Ashok Yadav
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Evan Johnson
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Rakesh Sachdeva
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
| | - Sourav Saha
- Department of Chemistry, Clemson University, 211 S. Palmetto Blvd., Clemson, South Carolina 29634, United States
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Mottola S, De Marco I. Supercritical Antisolvent Precipitation of Corticosteroids/β-Cyclodextrin Inclusion Complexes. Polymers (Basel) 2023; 16:29. [PMID: 38201694 PMCID: PMC10780522 DOI: 10.3390/polym16010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
In this study, corticosteroid-β-cyclodextrin (β-CD) inclusion complexes were prepared by using supercritical antisolvent (SAS) precipitation to enhance the dissolution rate of dexamethasone (DEX) and prednisolone (PRED), which are poorly water soluble drugs. The processing of the active principles in the absence of a carrier led to their almost complete extraction (the small amount of obtained material precipitates in the form of crystals). The coprecipitation of the ingredients in the presence of β-CD was investigated at different concentrations, pressures, and molar ratios. For both the corticosteroids, the optimized operating conditions were 40 °C, 120 bar, an equimolar ratio, and a concentration in DMSO of 20 mg/mL; these conditions led to the attainment of microparticles with mean diameters equal to 0.197 ± 0.180 μm and 0.131 ± 0.070 μm in the case of DEX and PRED, respectively. Job's method confirmed the formation of inclusion complexes with a 1/1 mol/mol ratio. Compared to the pure ingredients, the obtained powders have an improved release rate, which is about three times faster in both cases. The release curves obtained under the best operating conditions were fitted using different models. The best fitting was obtained using the Weibull model, whose parameters are compatible with a combined release mechanism involving Fickian diffusion and controlled release.
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Affiliation(s)
- Stefania Mottola
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy;
- Research Centre for Biomaterials BIONAM, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Iolanda De Marco
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy;
- Research Centre for Biomaterials BIONAM, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
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Liu N, Xiao J, Zang LH, Quan P, Liu DC. Preparation of trans-Crocetin with High Solubility, Stability, and Oral Bioavailability by Incorporation into Three Types of Cyclodextrins. Pharmaceutics 2023; 15:2790. [PMID: 38140130 PMCID: PMC10747661 DOI: 10.3390/pharmaceutics15122790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
Crocetin (CRT), an active compound isolated from saffron, exhibits several pharmacological activities, including anti-tumor and immune-regulatory activities, and is effective against myocardial ischemia and coronary heart disease; however, its low stability and solubility limit its clinical application. Therefore, we investigated CRT inclusion complexes (ICs) with three cyclodextrins-α-CD, HP-β-CD, and γ-CD-suitable for oral administration prepared using an ultrasonic method. Fourier transform infrared spectroscopy and powder X-ray diffraction indicated that the crystalline state of CRT in ICs disappeared, and intermolecular interactions were observed between CRT and CDs. 1H nuclear magnetic resonance and phase solubility studies confirmed CRT encapsulation in the CD cavity and the formation of ICs. In addition, we observed the morphology of ICs using scanning electron microscopy. All ICs showed a high drug encapsulation efficiency (approximately 90%) with 6500-10,000 times better solubilities than those of the pure drug. CRT showed rapid dissolution, whereas pure CRT was water-insoluble. The formation of ICs significantly improved the storage stability of CRT under heat, light, and moisture conditions. Further, the peak time of CRT in rats significantly decreased, and the relative bioavailability increased by approximately 3-4 times. In addition, the oral bioavailability of CRT IC was evaluated. Notably, the absorption rate and degree of the drug in rats were improved. This study illustrated the potential applications of CRT/CD ICs in the food, healthcare, and pharmaceutical industries, owing to their favorable dissolution, solubility, stability, and oral bioavailability.
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Affiliation(s)
- Nan Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (N.L.); (P.Q.)
| | - Jie Xiao
- School of Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China;
| | - Ling-He Zang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China;
| | - Peng Quan
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (N.L.); (P.Q.)
| | - Dong-Chun Liu
- School of Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China;
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Santos AM, Júnior JA, Cézar SV, Araújo AA, Júnior LJ, Aragón DM, Serafini MR. Cyclodextrin inclusion complexes improving antibacterial drug profiles: an update systematic review. Future Microbiol 2023; 18:1363-1379. [PMID: 37910070 DOI: 10.2217/fmb-2023-0124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023] Open
Abstract
Aim: The study aimed to review experimental models using cyclodextrins to improve antibacterial drugs' physicochemical characteristics and biological activities. Methods: The following terms and their combinations were used: cyclodextrins and antibacterial agents in title or abstract, and the total study search was conducted over a period up to October 2022. The review was carried out using PubMed, Scopus and Embase databases. A total of 1580 studies were identified, of which 27 articles were selected for discussion in this review. Results: The biological results revealed that the antibacterial effect of the inclusion complexes was extensively improved. Cyclodextrins can enhance the therapeutic effects of antibiotics already existing on the market, natural products and synthetic molecules. Conclusion: Overall, CDs as drug-delivery vehicles have been shown to improve antibiotics solubility, stability, and bioavailability, leading to enhanced antibacterial activity.
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Affiliation(s)
- Anamaria M Santos
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, 49060-100, Sergipe, Brazil
| | - José Acn Júnior
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe,São Cristóvão, 49060-100, Sergipe, Brazil
| | - Silvia Vs Cézar
- Department of Pharmacy,Federal University of Sergipe, São Cristóvão, 49060-100, Sergipe, Brazil
| | - Adriano As Araújo
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, 49060-100, Sergipe, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe,São Cristóvão, 49060-100, Sergipe, Brazil
- Department of Pharmacy,Federal University of Sergipe, São Cristóvão, 49060-100, Sergipe, Brazil
| | - Lucindo Jq Júnior
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, 49060-100, Sergipe, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe,São Cristóvão, 49060-100, Sergipe, Brazil
| | - Diana M Aragón
- Departamento de Farmacia, Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá D.C., Colombia
| | - Mairim R Serafini
- Postgraduate Program in Health Sciences, Federal University of Sergipe, Aracaju, 49060-100, Sergipe, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Sergipe,São Cristóvão, 49060-100, Sergipe, Brazil
- Department of Pharmacy,Federal University of Sergipe, São Cristóvão, 49060-100, Sergipe, Brazil
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Boczar D, Michalska K. Investigation of the Affinity of Ceftobiprole for Selected Cyclodextrins Using Molecular Dynamics Simulations and HPLC. Int J Mol Sci 2023; 24:16644. [PMID: 38068968 PMCID: PMC10706467 DOI: 10.3390/ijms242316644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/13/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
This paper presents the theoretical calculations of the inclusion complex formation between native ceftobiprole, a promising antibiotic from the cephalosporin group, and selected cyclodextrins (CDs) approved by the European Medicines Agency. Ceftobiprole was studied in three protonation states predicted from pKa calculations, along with three selected CDs in a stoichiometric ratio of 1:1. It was introduced into the CD cavity in two opposite directions, resulting in 18 possible combinations. Docking studies determined the initial structures of the complexes, which then served as starting structures for molecular dynamics simulations. The analysis of the obtained trajectories included the spatial arrangement of ceftobiprole and CD, the hydrogen bonds forming between them, and the Gibbs free energy (ΔG) of the complex formation, which was calculated using the Generalised Born Surface Area (GBSA) equation. Among them, a complex of sulfobutyl ether- (SBE-) β-CD with protonated ceftobiprole turned out to be the most stable (ΔG = -12.62 kcal/mol = -52.80 kJ/mol). Then, experimental studies showed changes in the physiochemical properties of the ceftobiprole in the presence of the CDs, thus confirming the validity of the theoretical results. High-performance liquid chromatography analysis showed that the addition of 10 mM SBE-β-CD to a 1 mg/mL solution of ceftobiprole in 0.1 M of HCl increased the solubility 1.5-fold and decreased the degradation rate constant 2.5-fold.
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Affiliation(s)
| | - Katarzyna Michalska
- Department of Synthetic Drugs, National Medicines Institute, Chełmska 30/34, 00-725 Warsaw, Poland;
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Bin Jardan YA, Ahad A, Raish M, Al-Mohizea AM, Al-Jenoobi FI. Microwave-Assisted Formation of Ternary Inclusion Complex of Pterostilbene. Pharmaceuticals (Basel) 2023; 16:1641. [PMID: 38139768 PMCID: PMC10747933 DOI: 10.3390/ph16121641] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/19/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
Pterostilbene (PTS) is a naturally occurring phytoalexin. PTS displays limited water solubility, which consequently results in its diminished oral bioavailability. Therefore, a ternary inclusion complex (TIC) of PTS with β-cyclodextrin (βCD) in the presence of ternary substance Pluronic® F-127 (PLF) was prepared using microwave technology. The PTS-TIC was characterized by dissolution performance. Further, the prepared TIC was characterized by DSC, FTIR, NMR, XRD, and SEM analysis. Additionally, the antioxidant activity of PTS and PTS-TIC was also evaluated. Phase-solubility studies revealed that PTS's solubility in water was increased by 6.72 times when βCD/PLF was present. In comparison with PTS, prepared PTS-TIC produced a considerable improvement in PTS release. After 1 h, 74.03 ± 4.47% of PTS was released from PTS-TIC. Outcomes of DSC, FTIR, NMR, XRD, and SEM analysis revealed that the PTS was enclosed in the βCD cavity. In terms of antioxidant properties, the PTS-TIC formulation demonstrated superior activity compared to PTS, possibly attributed to the improved solubility of PTS resulting from the formation of TIC using microwave technology. It was concluded that microwave technology proved to be an extremely beneficial means of interacting PTS with βCD. In addition to increasing the solubility of PTS, the findings are also expected to improve its bioavailability by increasing its solubility. As a result, this study could provide insight into potential methods for enhancing the solubility of polyphenolic substances like PTS.
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Affiliation(s)
| | - Abdul Ahad
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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12
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Kadokawa JI. Fabrication of Nanostructured Supramolecules through Helical Inclusion of Amylose toward Hydrophobic Polyester Guests, Biomimetically through Vine-Twining Polymerization Process. Biomimetics (Basel) 2023; 8:516. [PMID: 37999157 PMCID: PMC10669376 DOI: 10.3390/biomimetics8070516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/23/2023] [Accepted: 10/31/2023] [Indexed: 11/25/2023] Open
Abstract
This review article presents the biomimetic helical inclusion of amylose toward hydrophobic polyesters as guests through a vine-twining polymerization process, which has been performed in the glucan phosphorylase (GP)-catalyzed enzymatic polymerization field to fabricate supramolecules and other nanostructured materials. Amylose, which is a representative abundant glucose polymer (polysaccharide) with left-handed helical conformation, is well known to include a number of hydrophobic guest molecules with suitable geometry and size in its cavity to construct helical inclusion complexes. Pure amylose is prepared through enzymatic polymerization of α-d-glucose 1-phosphate as a monomer using a maltooligosaccharide as a primer, catalyzed by GP. It is reported that the elongated amylosic chain at the nonreducing end in enzymatic polymerization twines around guest polymers with suitable structures and moderate hydrophobicity, which is dispersed in aqueous polymerization media, to form amylosic nanostructured inclusion complexes. As the image of this system is similar to how vines of a plant grow around a support rod, this polymerization has been named 'vine-twining polymerization'. In particular, the helical inclusion behavior of the enzymatically produced amylose toward hydrophobic polyesters depending on their structures, e.g., chain lengths and substituents, has been systematically investigated in the vine-twining polymerization field. Furthermore, amylosic supramolecular network materials, such as hydrogels, are fabricated through vine-twining polymerization by using copolymers, where hydrophobic polyester guests or maltooligosaccharide primers are covalently modified on hydrophilic main-chain polymers. The vine-twining polymerization using such copolymers in the appropriate systems induces the formation of amylosic nanostructured inclusion complexes among them, which act as cross-linking points, giving rise to supramolecular networks at the nanoscale. The resulting materials form supramolecular hydrogels, films, and microparticles.
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Affiliation(s)
- Jun-Ichi Kadokawa
- Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan
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13
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Ding Y, Cui W, Zhang Z, Ma Y, Ding C, Lin Y, Xu Z. Solubility and Pharmacokinetic Profile Improvement of Griseofulvin through Supercritical Carbon Dioxide-Assisted Complexation with HP- γ-Cyclodextrin. Molecules 2023; 28:7360. [PMID: 37959779 PMCID: PMC10650103 DOI: 10.3390/molecules28217360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/12/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Since griseofulvin was marketed as a non-polyene antifungal antibiotic drug in 1958, its poor water solubility has been an issue for its wide applications, and over the last sixty years, many attempts have been made to increase its water solubility; however, a significant result has yet to be achieved. Through supercritical carbon dioxide-assisted cyclodextrin complexation with the addition of a trace amount of water-soluble polymer surfactant, the griseofulvin inclusion complex with HP-γ-cyclodextrin was prepared and confirmed. The 1:2 ratio of griseofulvin and HP-γ-cyclodextrin in the complex was determined based on its NMR study. After complexation with HP-γ-cyclodextrin, griseofulvin's water solubility was increased 477 times compared with that of griseofulvin alone, which is the best result thus far. The complex showed 90% of griseofulvin release in vitro in 10 min, in an in vivo dog pharmacokinetic study; the Cmax was increased from 0.52 µg/mL to 0.72 µg/mL, AUC0-12 was increased from 1.55 μg·h/mL to 2.75 μg·h/mL, the clearance was changed from 51.78 L/kg/h to 24.16 L/kg/h, and the half-life time was changed from 0.81 h to 1.56 h, indicating the obtained griseofulvin complex can be a more effective drug than griseofulvin alone.
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Affiliation(s)
- Yili Ding
- College of Science and Technology, Wenzhou-Kean University, Wenzhou 325060, China
- Wenzhou Municipal Key Laboratory for Applied Biomedical and Biopharmaceutical Informatics, Wenzhou-Kean University, Wenzhou 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center, Wenzhou-Kean University, Wenzhou 325060, China
- Dorothy and George Hennings College of Science, Mathematics and Technology, Kean University, 1000 Morris Ave, Union, NJ 07083, USA
| | - Wutong Cui
- Life Science Department, Foshan University, Foshan 528231, China
| | - Zhiyuan Zhang
- Life Science Department, Foshan University, Foshan 528231, China
| | - Yanzhi Ma
- Life Science Department, Foshan University, Foshan 528231, China
| | - Charles Ding
- Keck School of Medicine of USC, University of Southern California, Los Angeles, CA 90089-1149, USA
| | - Yikai Lin
- Life Science Department, Foshan University, Foshan 528231, China
| | - Zhe Xu
- College of Science and Technology, Wenzhou-Kean University, Wenzhou 325060, China
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14
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Ding Y, Zhang Z, Ding C, Xu S, Xu Z. The Use of Cyclodextrin Inclusion Complexes to Increase the Solubility and Pharmacokinetic Profile of Albendazole. Molecules 2023; 28:7295. [PMID: 37959715 PMCID: PMC10648351 DOI: 10.3390/molecules28217295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/21/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
Albendazole is the preferred deworming drug and has strong insecticidal effects on human and animal helminth parasites, showing remarkable activity against hepatocellular carcinoma and colorectal cancer cells. However, it is classified as being in class II in the Biopharmaceutics Classification System due to its poor water solubility (0.2 mg/L) and high permeability, which make the clinical application of albendazole impractical. Through complexation with methyl-β-cyclodextrin, as the best result so far, albendazole's water solubility was increased by 150,000 times, and albendazole could be 90% released during the first 10 min. In an in vivo pharmacokinetic study, the Cmax and Tmax of the active metabolized sulfoxide were changed from 2.81 µg/mL at 3 h to 10.2 µg/mL at 6 h and the AUC0-48 was increased from 50.72 h⁎μg/mL to 119.95 h⁎μg/mL, indicating that the inclusion complex obtained can be used as a new oral therapeutic anti-anthelmintic and anti-tumor agent formulation.
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Affiliation(s)
- Yili Ding
- College of Science and Technology, Wenzhou-Kean University, Wenzhou 325000, China
- Wenzhou Municipal Key Laboratory for Applied Biomedical and Biopharmaceutical Informatics, Wenzhou-Kean University, Wenzhou 325060, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center, Wenzhou-Kean University, Wenzhou 325060, China
- Dorothy and George Hennings College of Science, Mathematics and Technology, Kean University, 1000 Morris Ave, Union, NJ 07083, USA
| | - Zhiyuan Zhang
- Life Science Department, Foshan University, Foshan 528000, China
| | - Charles Ding
- Keck School of Medicine of USC, Los Angeles, CA 90089, USA
| | - Shufeng Xu
- Life Science Department, Foshan University, Foshan 528000, China
| | - Zhe Xu
- College of Science and Technology, Wenzhou-Kean University, Wenzhou 325000, China
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15
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Park C, Zuo J, Gil MC, Löbenberg R, Lee BJ. Investigation of Cannabinoid Acid/Cyclodextrin Inclusion Complex for Improving Physicochemical and Biological Performance. Pharmaceutics 2023; 15:2533. [PMID: 38004513 PMCID: PMC10675134 DOI: 10.3390/pharmaceutics15112533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
This study aimed to investigate the enhancement of cannabinoid acid solubility and stability through the formation of a cannabinoid acid/cyclodextrin (CD) inclusion complex. Two cannabinoid acids, tetrahydro-cannabinolic acid (THCA) and cannabidiolic acid (CBDA), were selected as a model drug along with five types of CD: α-cyclodextrin (α-CD), β-cyclodextrin (β-CD), γ-cyclodextrin (γ-CD), hydroxypropyl-β-cyclodextrin (HP-β-CD), and methylated-β-cyclodextrin (M-β-CD). Phase solubility studies were conducted using various types of CD to determine the complex stoichiometry. The preparation methods of the CD inclusion complex were optimized by adjusting the loading pH solution and the drying processes (spray-drying, freeze-drying, spray-freeze-drying). The drying process of the cannabinoid acid/M-β-CD inclusion complex was further optimized through the spray-freeze-drying method. These CD complexes were characterized using solubility determination, differential scanning calorimetry (DSC), field-emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), and 1H NMR spectroscopy. DSC, XRD, and FE-SEM studies confirmed the non-crystalline state of the cannabinoid acid/CD inclusion complex. The permeation of THCA or CBDA from the M-β-CD spray-freeze-dried inclusion complex was highly improved compared to those of cannabis ethanolic extracts under simulated physiological conditions. The stability of the cannabinoid acid/M-β-CD inclusion complex was maintained for 7 days in a simulated physiological condition. Furthermore, the minimum inhibitory concentration of cannabinoid acid/M-β-CD inclusion complex had superior anti-cancer activity in MCF-7 breast cancer cell lines compared to cannabinoid acid alone. The improved physicochemical and biological performances indicated that these CD inclusion complexes could provide a promising option for loading lipophilic cannabinoids in cannabis-derived drug products.
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Affiliation(s)
- Chulhun Park
- College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea;
| | - Jieyu Zuo
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton, AB T6G 2E1, Canada; (J.Z.); (R.L.)
| | - Myung-Chul Gil
- College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea;
- PLUTO Inc., Seongnam 13453, Republic of Korea
| | - Raimar Löbenberg
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton, AB T6G 2E1, Canada; (J.Z.); (R.L.)
| | - Beom-Jin Lee
- College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea;
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16
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Gwardys P, Marcisz K, Jagleniec D, Romanski J, Karbarz M. Electrochemically Controlled Release from a Thin Hydrogel Layer. ACS Appl Mater Interfaces 2023; 15:49865-49873. [PMID: 37877416 PMCID: PMC10614182 DOI: 10.1021/acsami.3c11786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 09/29/2023] [Indexed: 10/26/2023]
Abstract
In this study, we present a thermoresponsive thin hydrogel layer based on poly(N-isopropylacrylamide), functionalized with β-cyclodextrin groups (p(NIPA-βCD)), as a novel electrochemically controlled release system. This thin hydrogel layer was synthesized and simultaneously attached to the surface of a Au quartz crystal microbalance (QCM) electrode using electrochemically induced free radical polymerization. The process was induced and monitored using cyclic voltammetry and a quartz crystal microbalance with dissipation monitoring (QCM-D), respectively. The properties of the thin layer were investigated by using QCM-D and scanning electron microscopy (SEM). The incorporation of β-cyclodextrin moieties within the polymer network allowed rhodamine B dye modified with ferrocene (RdFc), serving as a model metallodrug, to accumulate in the p(NIPA-βCD) layer through host-guest inclusion complex formation. The redox properties of the electroactive p(NIPA-βCD/RdFc) layer and the dissociation of the host-guest complex triggered by changes in the oxidation state of the ferrocene groups were investigated. It was found that oxidation of the ferrocene moieties led to the release of RdFc. It was crucial to achieve precise control over the release of RdFc by applying the appropriate electrochemical signal, specifically, by applying the appropriate potential to the electrode. Importantly, the electrochemically controlled RdFc release process was performed at a temperature similar to that of the human body and monitored using a spectrofluorimetric technique. The presented system appears to be particularly suitable for transdermal delivery and delivery from intrabody implants.
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Affiliation(s)
- Paulina Gwardys
- Faculty
of Chemistry, University of Warsaw, 1 Pasteura, WarsawPL 02-093, Poland
| | - Kamil Marcisz
- Faculty
of Chemistry, University of Warsaw, 1 Pasteura, WarsawPL 02-093, Poland
| | - Damian Jagleniec
- Faculty
of Chemistry, University of Warsaw, 1 Pasteura, WarsawPL 02-093, Poland
| | - Jan Romanski
- Faculty
of Chemistry, University of Warsaw, 1 Pasteura, WarsawPL 02-093, Poland
| | - Marcin Karbarz
- Faculty
of Chemistry, University of Warsaw, 1 Pasteura, WarsawPL 02-093, Poland
- Biological
and Chemical Research Center, University
of Warsaw, 101 Żwirki i Wigury Av., WarsawPL 02-089, Poland
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17
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Farhan SM, El-Baky RMA, Ahmed HR, Fathalla Z, Alamri A, Abdelkader H, Fatease AA. Comparative Investigation into the Roles of Imipenem:Cyclodextrin Complexation and Antibiotic Combination in Combatting Antimicrobial Resistance in Gram-Negative Bacteria. Pharmaceuticals (Basel) 2023; 16:1508. [PMID: 37895978 PMCID: PMC10609816 DOI: 10.3390/ph16101508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Extensively drug-resistant (XDR), multidrug-resistant (MDR) and pandrug-resistant (PDR) Gram-negative microorganisms (GNBs) are considered a significant global threat. β-lactam and aminoglycoside combinations and imipenem:cyclodextrin inclusion complexes were studied for the treatment of lethal GNBs. This is because of the broad empiric coverage of the two drugs and their possession of different spectra of activity. Two cyclodextrins (β- and hydroxy propyl β-cyclodextrins) were utilized for inclusion complex formation with imipenem using the physical and kneading methods. In silico investigation using the molecular docking and Fourier-infrared spectroscopy (FTIR) were employed to estimate binding constant and confirm complex formation, respectively. The in vitro effects of amikacin and imipenem combination in comparison to the effect of imipenem-β- and hydroxy propyl β-cyclodextrin (CD) complexes against Klebsiella spp. and Acinetobacter baumannii were studied. The isolated microorganisms' antimicrobial responsiveness to various antibiotics (19 antibiotics) was evaluated. It was found that piperacillin/tazobactam and gentamycin (resistance rates were 33.3% and 34%, respectively) were the most effective antimicrobials. The in vitro studies have been performed by the checkerboard technique and time-killing assay. The studied combination of amikacin and imipenem showed a substantial drop in bacterial count (p < 0.05). The in vitro studies demonstrated a synergism for the investigated combination. Conventional PCR was used in molecular studies to identify the resistance genes bla IMP and aac (6')-Ib. The blaIMP and aac (6')-Ib were recorded in 38.2% and 3.6% of the studied isolates, respectively. The in vitro studies showed synergistic effects among the tested antibiotics with FICIs of ≤0.5. Finally, the study compared the reduction in bacterial count between the tested antibiotic combinations and imipenem:CD physical and kneaded mixtures. Imipenem:CD inclusion complexes demonstrated a significant bacterial count reduction over the antibiotic combination. These results highlight the emerging role of CDs as safe biofunctional excipients in the combat against superbug bacterial resistance.
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Affiliation(s)
- Sara Mahmoud Farhan
- Department of Microbiology and Immunology, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (S.M.F.); (R.M.A.E.-B.)
| | - Rehab Mahmoud Abd El-Baky
- Department of Microbiology and Immunology, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (S.M.F.); (R.M.A.E.-B.)
- Department of Microbiology and Immunology, Faculty of Pharmacy, Minia University, Minia 61519, Egypt;
| | - Hala Rady Ahmed
- Department of Microbiology and Immunology, Faculty of Pharmacy, Minia University, Minia 61519, Egypt;
| | - Zeinab Fathalla
- Department of Pharmaceutics, Faculty of Pharmacy, Minia University, Minia 61519, Egypt;
| | - Ali Alamri
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.); (H.A.)
| | - Hamdy Abdelkader
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.); (H.A.)
| | - Adel Al Fatease
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.); (H.A.)
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18
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Khalid FM, Ijaz M, Mahmood A, Waqas MK, Hussain T, Asim MH, Ahmad N, Arshad S, Rehman MU, Nazir I. Mucoadhesive, Fluconazole-Loaded Nanogels Complexed with Sulfhydryl-β-cyclodextrin for Oral Thrush Treatment. AAPS PharmSciTech 2023; 24:194. [PMID: 37752361 DOI: 10.1208/s12249-023-02653-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023] Open
Abstract
The objective of this study was to generate fluconazole-loaded mucoadhesive nanogels to address the problem of hydrophobicity of fluconazole (FL). An inclusion complex was formulated with sulfhydryl-β-CD (SH-β-CD) followed by nanogels formation by a Schiff base reaction of carbopol 940 (CA-940) and gelatin (GE). For characterization, PXRD, FT-IR analysis, drug content, and phase solubility studies were performed. Similarly, nanogels were assessed for particle size, zeta potential, organoleptic, and spreadability studies. Moreover, drug contents, rheological, in vitro drug permeation, release kinetics, toxicity, and stability studies of nanogels were performed. Furthermore, mucoadhesive characteristics over the buccal mucosal membrane of the goat were evaluated. The nanogels formulated with a higher amount of CA-940 and subsequently loaded with the inclusion complexes of FL showed promising results. PXRD and FT-IR analysis confirmed the physical complexes by displaying a reduction in the intensity of peaks of FL. The average particle size of nanogels was in the range of 257 to 361 nm. The highest drug content of 88% was encapsulated within the FL-SH-β-CD complex. All formulations at 0.5-1% concentration displayed no toxicity to the Caco-2 cell lines. Nanogels loaded with FL-SH-β-CD complexes showed 18-fold improved mucoadhesion on the buccal mucous membrane of the goat when compared to simple nanogels. The in vitro permeation study exhibited significantly enhanced permeation and first-order concentration-dependent drug release was observed. On the bases of these findings, we can conclude that a mucoadhesive nanogel-based drug delivery system can be an ideal therapy for candidiasis.
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Affiliation(s)
| | - Muhammad Ijaz
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Defense Road, 1.5Km off Raiwind Road, Lahore, 54000, Pakistan.
| | - Arshad Mahmood
- College of Pharmacy, Al Ain University, Abu Dhabi Campus, 51133, Abu Dhabi, United Arab Emirates
| | | | - Talib Hussain
- Institute of Pharmaceutical Sciences, UVAS, Lahore, 54000, Pakistan
| | | | - Nadeem Ahmad
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Defense Road, 1.5Km off Raiwind Road, Lahore, 54000, Pakistan
| | - Shumaila Arshad
- Doctor's Institute of Health Sciences, 3-Km Sargodha Bypass Road, Sargodha, 40100, Pakistan
| | - Masood Ur Rehman
- Riphah Institute of Pharmaceutical Sciences, Ripha International University, Islamabad, 45550, Pakistan
| | - Imran Nazir
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Defense Road, 1.5Km off Raiwind Road, Lahore, 54000, Pakistan
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19
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Kapoor MP, Moriwaki M, Abe A, Morishima S, Ozeki M, Sato N. Hesperetin-7- O-glucoside/β-cyclodextrin Inclusion Complex Induces Acute Vasodilator Effect to Inhibit the Cold Sensation Response during Localized Cold-Stimulate Stress in Healthy Human Subjects: A Randomized, Double-Blind, Crossover, and Placebo-Controlled Study. Nutrients 2023; 15:3702. [PMID: 37686734 PMCID: PMC10489958 DOI: 10.3390/nu15173702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/17/2023] [Accepted: 08/20/2023] [Indexed: 09/10/2023] Open
Abstract
Hesperetin, a citrus flavonoid, exerts vasodilation and is expected to improve endothelial function and alleviate cold sensation by activating nervous system thermal transduction pathways. In this randomized, double-blind, crossover, and placebo-controlled study, the purpose was to assess the effect of an orally administered highly bioavailable soluble inclusion complex of hesperetine-7-O-glucoside with β-cyclodextrin (HEPT7G/βCD; SunActive® HES/HCD) on cold sensation response during localized cold-stimulated stress in healthy humans. A significant (p ≤ 0.05) dose-dependent increase in skin cutaneous blood flow following relatively small doses of HEPT7G/βCD inclusion complex ingestion was confirmed, which led to a relatively effective recovery of peripheral skin temperature. The time delay of an increase in blood flow during rewarming varied significantly between low- and high-dose HEPT7G/βCD inclusion complex consumption (e.g., 150 mg and 300 mg contain 19.5 mg and 39 mg of HEPT7G, respectively). In conclusion, the substantial alteration in peripheral skin blood flow observed during local cooling stress compared to placebo suggested that deconjugated hesperetin metabolites may have a distinct capacity for thermoregulatory control of human skin blood flow to maintain a constant body temperature during cold stress exposure via cutaneous vasodilation and vasoconstriction systems.
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Affiliation(s)
- Mahendra P. Kapoor
- Nutrition Division, Taiyo Kagaku Co., Ltd., 1-3 Takaramachi, Yokkaichi 510-0844, Mie, Japan
| | - Masamitsu Moriwaki
- Nutrition Division, Taiyo Kagaku Co., Ltd., 1-3 Takaramachi, Yokkaichi 510-0844, Mie, Japan
| | - Aya Abe
- Nutrition Division, Taiyo Kagaku Co., Ltd., 1-3 Takaramachi, Yokkaichi 510-0844, Mie, Japan
| | - So Morishima
- Nutrition Division, Taiyo Kagaku Co., Ltd., 1-3 Takaramachi, Yokkaichi 510-0844, Mie, Japan
| | - Makoto Ozeki
- Nutrition Division, Taiyo Kagaku Co., Ltd., 1-3 Takaramachi, Yokkaichi 510-0844, Mie, Japan
| | - Norio Sato
- Taiyo Kagaku Co., Ltd., 800 Yamada-Cho, Yokkaichi 510-1111, Mie, Japan
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20
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Mendes LA, Vasconcelos LC, Fontes MMP, Martins GS, Bergamin ADS, Silva MA, Silva RRA, de Oliveira TV, Souza VGL, Ferreira MFDS, Teixeira RR, Lopes RP. Herbicide and Cytogenotoxic Activity of Inclusion Complexes of Psidium gaudichaudianum Leaf Essential Oil and β-Caryophyllene on 2-Hydroxypropyl- β-cyclodextrin. Molecules 2023; 28:5909. [PMID: 37570879 PMCID: PMC10420928 DOI: 10.3390/molecules28155909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
The present investigation aimed to develop inclusion complexes (ICs) from Psidium gaudichaudianum (GAU) essential oil (EO) and its major compound β-caryophyllene (β-CAR), and to evaluate their herbicidal (against Lolium multiflorum and Bidens pilosa) and cytogenotoxic (on Lactuca sativa) activities. The ICs were obtained using 2-hydroxypropyl-β-cyclodextrin (HPβCD) and they were prepared to avoid or reduce the volatility and degradation of GAU EO and β-CAR. The ICs obtained showed a complexation efficiency of 91.5 and 83.9% for GAU EO and β-CAR, respectively. The IC of GAU EO at a concentration of 3000 µg mL-1 displayed a significant effect against weed species B. pilosa and L. multiflorum. However, the β-CAR IC at a concentration of 3000 µg mL-1 was effective only on L. multiflorum. In addition, the cytogenotoxic activity evaluation revealed that there was a reduction in the mitotic index and an increase in chromosomal abnormalities. The produced ICs were able to protect the EO and β-CAR from volatility and degradation, with a high thermal stability, and they also enabled the solubilization of the EO and β-CAR in water without the addition of an organic solvent. Therefore, it is possible to indicate the obtained products as potential candidates for commercial exploration since the ICs allow the complexed EO to exhibit a more stable chemical constitution than pure EO under storage conditions.
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Affiliation(s)
- Luiza Alves Mendes
- Departament of Chemistry, Federal University of Viçosa (UFV), Av. Peter Henry Rolfs, s/n, Campus Universitário, Viçosa 36570-000, MG, Brazil;
| | - Loren Cristina Vasconcelos
- Department of Biology, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (L.C.V.); (M.M.P.F.); (G.S.M.)
| | - Milene Miranda Praça Fontes
- Department of Biology, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (L.C.V.); (M.M.P.F.); (G.S.M.)
| | - Geisiele Silva Martins
- Department of Biology, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (L.C.V.); (M.M.P.F.); (G.S.M.)
| | - Aline dos Santos Bergamin
- Department of Agronomy, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (A.d.S.B.); (M.A.S.); (M.F.d.S.F.)
| | - Matheus Alves Silva
- Department of Agronomy, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (A.d.S.B.); (M.A.S.); (M.F.d.S.F.)
| | - Rafael Resende Assis Silva
- Departament of Food Materials Science and Engineering, Federal University of São Carlos (UFSCar), Rod. Washington Luiz, s/n, São Carlos 13565-905, SP, Brazil;
| | | | - Victor Gomes Lauriano Souza
- International Iberian Nanotechnology Laboratory (INL), Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal
- MEtRICs, CubicB, Departament of Chemistry, NOVA School of Science and Technology (FCT NOVA), University Nova de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Marcia Flores da Silva Ferreira
- Department of Agronomy, Federal University of Espírito Santo (UFES), Alto Universitário, s/n, Guararema, Alegre 29500-000, ES, Brazil; (A.d.S.B.); (M.A.S.); (M.F.d.S.F.)
| | - Róbson Ricardo Teixeira
- Departament of Chemistry, Federal University of Viçosa (UFV), Av. Peter Henry Rolfs, s/n, Campus Universitário, Viçosa 36570-000, MG, Brazil;
| | - Renata Pereira Lopes
- Departament of Chemistry, Federal University of Viçosa (UFV), Av. Peter Henry Rolfs, s/n, Campus Universitário, Viçosa 36570-000, MG, Brazil;
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21
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Grecu M, Minea B, Foia LG, Bostanaru-Iliescu AC, Miron L, Nastasa V, Mares M. Short Review on the Biological Activity of Cyclodextrin-Drug Inclusion Complexes Applicable in Veterinary Therapy. Molecules 2023; 28:5565. [PMID: 37513437 PMCID: PMC10383344 DOI: 10.3390/molecules28145565] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Cyclodextrins (CDs) are a family of carrier molecules used to improve the pharmacokinetic parameters of therapeutic molecules. These cyclic oligosaccharides have medical and pharmaceutical applications by being able to form inclusion complexes with molecules that are poorly soluble in water. The benefits of these complexes are directed towards improving the chemical and biological properties-i.e., solubility, bioavailability, stability, non-toxicity and shelf life of drug molecules. Since the 1960s, the first inclusion complexes used in therapeutics were those with α-, β- and γ-CD, which proved their usefulness, but had certain degrees of particularly renal toxicity. Currently, to correct these deficiencies, β-CD derivatives are most frequently used, such as sulfobutylether-β-CD, hydroxypropyl-β-CD, etc. Therefore, it is of interest to bring to the attention of those interested the diversity of current and potential future clinical applications of inclusion complexes in veterinary medicine and to present the contribution of these inclusion complexes in improving drug efficacy. The most important biological activities of β-CD complexed molecules in the veterinary field are summarized in this short review.
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Affiliation(s)
- Mariana Grecu
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Bogdan Minea
- Department of Surgery, Faculty of Dental Medicine, "Grigore T. Popa" University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Liliana-Georgeta Foia
- Department of Surgery, Faculty of Dental Medicine, "Grigore T. Popa" University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Andra-Cristina Bostanaru-Iliescu
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Liviu Miron
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Valentin Nastasa
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Mihai Mares
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
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22
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Rajamohan R, Ashokkumar S, Murali Krishnan M, Murugavel K, Murugan M, Lee YR. Adenosine/β-Cyclodextrin-Based Metal-Organic Frameworks as a Potential Material for Cancer Therapy. Biomolecules 2023; 13:1154. [PMID: 37509190 PMCID: PMC10377648 DOI: 10.3390/biom13071154] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Recently, researchers have employed metal-organic frameworks (MOFs) for loading pharmaceutically important substances. MOFs are a novel class of porous class of materials formed by the self-assembly of organic ligands and metal ions, creating a network structure. The current investigation effectively achieves the loading of adenosine (ADN) into a metal-organic framework based on cyclodextrin (CD) using a solvent diffusion method. The composite material, referred to as ADN:β-CD-K MOFs, is created by loading ADN into beta-cyclodextrin (β-CD) with the addition of K+ salts. This study delves into the detailed examination of the interaction between ADN and β-CD in the form of MOFs. The focus is primarily on investigating the hydrogen bonding interaction and energy parameters through the aid of semi-empirical quantum mechanical computations. The analysis of peaks that are associated with the ADN-loaded ICs (inclusion complexes) within the MOFs indicates that ADN becomes incorporated into a partially amorphous state. Observations from SEM images reveal well-defined crystalline structures within the MOFs. Interestingly, when ADN is absent from the MOFs, smaller and irregularly shaped crystals are formed. This could potentially be attributed to the MOF manufacturing process. Furthermore, this study explores the additional cross-linking of β-CD with K through the coupling of -OH on the β-CD-K MOFs. The findings corroborate the results obtained from FT-IR analysis, suggesting that β-CD plays a crucial role as a seed in the creation of β-CD-K MOFs. Furthermore, the cytotoxicity of the MOFs is assessed in vitro using MDA-MB-231 cells (human breast cancer cells).
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Affiliation(s)
- Rajaram Rajamohan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Sekar Ashokkumar
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Mani Murali Krishnan
- Department of Chemistry, Bannari Amman Institute of Technology, Sathyamangalam 638 401, Tamil Nadu, India
| | - Kuppusamy Murugavel
- PG and Research Department of Chemistry, Government Arts College, Chidambaram 608 102, Tamil Nadu, India
| | - Moorthiraman Murugan
- Department of Chemistry, IFET College of Engineering, Villupuram 605 108, Tamil Nadu, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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23
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Zhang G, Zhao H, Guan T, Ma Z. Complexation of phycocyanin with hydroxypropyl-β-cyclodextrin and its application in blue beer containing quinoa saponins as foaming agents. Front Nutr 2023; 10:1209193. [PMID: 37521421 PMCID: PMC10374262 DOI: 10.3389/fnut.2023.1209193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/07/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction With the increasing importance attached to human health, the inclusion complex (IC) of phycocyanin (PC) into hydroxypropyl-β-cyclodextrin (HP-β-CD) have been devoted to developing the use of food preservation in this study. Methods In this experiment, the IC of PC into HP-β-CD was prepared by the freeze-drying method and characterized by OM, TEM, UV, FTIR and TG/DSC methods. Results and discussion The spectroscopic features were evaluated by Ultraviolet-visible (UV-vis) spectroscopy and Fourier transform infrared spectroscopy (FT-IR) confirming that PC was located in the hydrophobic cavity of HP-β-CD. Consistent with the structural properties, optical microscopy (OM) and Transmission electron microscope (TEM) observed that the addition of PC subjected the IC to an aggregation state with irregular lamellar structures. Stability assessment showed that pH, heat and light tolerance of PC significantly regulated and improved due to the PC/HP-β-CD complexation. The formation of ICs was helpful to enhancing the antioxidant activity of PC. Molecular modeling suggested that the D-pyrrole ring and its associated C=C group of phycocyanin entered the HP-β-CD cavity from the wider edge. On this basis, the development of blue beer with quinoa saponins as foaming agent and ICs as colorant was explored. The addition of quinoa saponins made the foam richer and more delicate without destroying the overall taste coordination of beer. Moreover, the protective effect of HP-β-CD presents a positive impact on the stability of blue beer pigment. Hence, PC encapsulated into HP-β-CD will be an impressive approach in food-related application of PC.
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Affiliation(s)
- Guangjie Zhang
- School of Biology and Food Engineering, Anyang Institute of Technology, Anyang, China
| | - Hongmei Zhao
- School of Biology and Food Engineering, Anyang Institute of Technology, Anyang, China
| | - Tianzhu Guan
- School of Food Science and Engineering, Yangzhou University, Yangzhou, China
| | - Zheng Ma
- Department of Thoracic Surgery, Qilu Hospital of Shandong University, Jinan, China
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Abdelkader J, Alelyani M, Alashban Y, Alghamdi SA, Bakkour Y. Modification of Dispersin B with Cyclodextrin-Ciprofloxacin Derivatives for Treating Staphylococcal. Molecules 2023; 28:5311. [PMID: 37513185 PMCID: PMC10386341 DOI: 10.3390/molecules28145311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/03/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023] Open
Abstract
To address the high tolerance of biofilms to antibiotics, it is urgent to develop new strategies to fight against these bacterial consortia. An innovative antibiofilm nanovector drug delivery system, consisting of Dispersin B-permethylated-β-cyclodextrin/ciprofloxacin adamantyl (DspB-β-CD/CIP-Ad), is described here. For this purpose, complexation assays between CIP-Ad and (i) unmodified β-CD and (ii) different derivatives of β-CD, which are 2,3-O-dimethyl-β-CD, 2,6-O-dimethyl-β-CD, and 2,3,6-O-trimethyl-β-CD, were tested. A stoichiometry of 1/1 was obtained for the β-CD/CIP-Ad complex by NMR analysis. Isothermal Titration Calorimetry (ITC) experiments were carried out to determine Ka, ΔH, and ΔS thermodynamic parameters of the complex between β-CD and its different derivatives in the presence of CIP-Ad. A stoichiometry of 1/1 for β-CD/CIP-Ad complexes was confirmed with variable affinity according to the type of methylation. A phase solubility study showed increased CIP-Ad solubility with CD concentration, pointing out complex formation. The evaluation of the antibacterial activity of CIP-Ad and the 2,3-O-dimethyl-β-CD/CIP-Ad or 2,3,6-O-trimethyl-β-CD/CIP-Ad complexes was performed on Staphylococcus epidermidis (S. epidermidis) strains. The Minimum Inhibitory Concentration (MIC) studies showed that the complex of CIP-Ad and 2,3-O-dimethyl-β-CD exhibited a similar antimicrobial activity to CIP-Ad alone, while the interaction with 2,3,6-O-trimethyl-β-CD increased MIC values. Antimicrobial assays on S. epidermidis biofilms demonstrated that the synergistic effect observed with the DspB/CIP association was partly maintained with the 2,3-O-dimethyl-β-CDs/CIP-Ad complex. To obtain this "all-in-one" drug delivery system, able to destroy the biofilm matrix and release the antibiotic simultaneously, we covalently grafted DspB on three carboxylic permethylated CD derivatives with different-length spacer arms. The strategy was validated by demonstrating that a DspB-permethylated-β-CD/ciprofloxacin-Ad system exhibited efficient antibiofilm activity.
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Affiliation(s)
- Jinan Abdelkader
- Laboratory of Applied Chemistry (LAC), Department of Chemistry, Faculty of Sciences III, Lebanese University Mont Michel, El Koura 826, Lebanon
| | - Magbool Alelyani
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia
| | - Yazeed Alashban
- Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia
| | - Sami A Alghamdi
- Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia
| | - Youssef Bakkour
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia
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25
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He H, Wang Z, Aikelamu K, Bai J, Shen Q, Gao X, Wang M. Preparation and In Vitro Characterization of Microneedles Containing Inclusion Complexes Loaded with Progesterone. Pharmaceutics 2023; 15:1765. [PMID: 37376213 DOI: 10.3390/pharmaceutics15061765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/03/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
OBJECTIVE In order to improve patient compliance and the ease of use during progesterone application, and to increase the clinical application of progesterone, progesterone was made into a microneedle. METHODS Progesterone complexes were prepared using a single-factor and central composite design. In the preparation of the microneedles, the tip loading rate was used as an evaluation index. The selection of tip materials among the biocompatible materials of gelatin (GEL), hyaluronic acid (HA), and polyvinylpyrrolidone (PVP), and the use of polyvinyl alcohol (PVA) and hydroxypropyl cellulose (HPC) as backing layers, respectively, were carried out and the resulting microneedles were evaluated accordingly. RESULTS The progesterone inclusion complexes prepared at a molar ratio of 1:2.16 progesterone and hydroxypropyl-β-cyclodextrin (HP-β-CD), a temperature of 50 °C, and reaction time of 4 h had high encapsulation and drug-loading capacities of 93.49% and 9.55%, respectively. Gelatine was finally chosen as the material for the preparation of the micro-needle tip based on the drug loading rate of the tip. Two types of microneedles were prepared: one with 7.5% GEL as the tip and 50% PVA as the backing layer, and one with 15% GEL as the tip and 5% HPC as the backing layer. The microneedles of both prescriptions exhibited good mechanical strength and penetrated the skin of rats. The needle tip loading rates were 49.13% for the 7.5% GEL-50% PVA microneedles and 29.31% for the 15% GEL-5% HPC microneedles. In addition, in vitro release and transdermal experiments were performed using both types of microneedles. CONCLUSION The microneedles prepared in this study enhanced the in vitro transdermal amount of progesterone drug by releasing the drug from the microneedle tip into the subepidermis.
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Affiliation(s)
- Hongji He
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Zhaozhi Wang
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Kadireya Aikelamu
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Jingya Bai
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Qi Shen
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Xiaoli Gao
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
| | - Mei Wang
- College of Pharmacy, Xinjiang Medical University, Urumqi 830017, China
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26
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Santos WBR, Pina LTS, de Oliveira MA, Santos LABO, Batista MVA, Trindade GGG, Duarte MC, Almeida JRGS, Quintans-Júnior LJ, Quintans JSS, Serafini MR, Coutinho HDM, Kowalska G, Baj T, Kowalski R, Guimarães AG. Antinociceptive Effect of a p-Cymene/β-Cyclodextrin Inclusion Complex in a Murine Cancer Pain Model: Characterization Aided through a Docking Study. Molecules 2023; 28:molecules28114465. [PMID: 37298941 DOI: 10.3390/molecules28114465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Pain is one of the most prevalent and difficult to manage symptoms in cancer patients, and conventional drugs present a range of adverse reactions. The development of β-cyclodextrins (β-CD) complexes has been used to avoid physicochemical and pharmacological limitations due to the lipophilicity of compounds such as p-Cymene (PC), a monoterpene with antinociceptive effects. Our aim was to obtain, characterize, and measure the effect of the complex of p-cymene and β-cyclodextrin (PC/β-CD) in a cancer pain model. Initially, molecular docking was performed to predict the viability of complex formation. Afterward, PC/β-CD was obtained by slurry complexation, characterized by HPLC and NMR. Finally, PC/β-CD was tested in a Sarcoma 180 (S180)-induced pain model. Molecular docking indicated that the occurrence of interaction between PC and β-CD is favorable. PC/β-CD showed complexation efficiency of 82.61%, and NMR demonstrated PC complexation in the β-CD cavity. In the S180 cancer pain model, PC/β-CD significantly reduced the mechanical hyperalgesia, spontaneous nociception, and nociception induced by non-noxious palpation at the doses tested (p < 0.05) when compared to vehicle differently from free PC (p > 0.05). Therefore, the complexation of PC in β-CD was shown to improve the pharmacological effect of the drug as well as reducing the required dose.
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Affiliation(s)
- Wagner B R Santos
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Lícia T S Pina
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Marlange A de Oliveira
- Departament of Physiology, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Lucas A B O Santos
- Departament of Biology, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Marcus V A Batista
- Departament of Biology, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Gabriela G G Trindade
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Marcelo C Duarte
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Jackson R G S Almeida
- Department of Pharmacy, Federal University of Vale do São Francisco, Juazeiro 48902-300, BA, Brazil
| | | | - Jullyana S S Quintans
- Departament of Physiology, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Mairim R Serafini
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
| | - Henrique D M Coutinho
- Department of Biological Chemistry (DBQ), Regional University of Cariri (URCA), Pimenta, Crato 63105-000, CE, Brazil
| | - Grażyna Kowalska
- Department of Tourism and Recreation, University of Life Sciences in Lublin, 15 Akademicka Str., 20-950 Lublin, Poland
| | - Tomasz Baj
- Department of Pharmacognosy with Medicinal Plants Garden, Medical University of Lublin, 1 Chodźki Str., 20-093 Lublin, Poland
| | - Radosław Kowalski
- Department of Analysis and Food Quality Assessment, University of Life Sciences in Lublin, 8 Skromna Str., 20-704 Lublin, Poland
| | - Adriana G Guimarães
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão 49100-000, SE, Brazil
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27
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Yoshitomi Y, Kawai K. Effect of Water Vapor Sorption on Complex Formation in Amylose-lauric Acid Blend Powder. J Appl Glycosci (1999) 2023; 70:53-58. [PMID: 37599860 PMCID: PMC10432376 DOI: 10.5458/jag.jag.jag-2023_0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 03/08/2023] [Indexed: 08/22/2023] Open
Abstract
The purpose of this study was to understand the effect of relative humidity (RH) on amylose-lipid complex (ALC) formation in amylose-lauric acid blend powder held at 50 °C (temperature slightly higher than the melting point of lauric acid) using differential scanning calorimetry (DSC) and X-ray diffraction. From DSC curves, the melting of crystalized lauric acid and two melting peaks of ALC were observed depending on RH. ALC formation was confirmed by X-ray diffraction pattern. The melting enthalpy (∆Hm) of lauric acid in the sample held at RH 0 % was lower than that of lauric acid only though there was no ALC formation. This suggests that crystallization of lauric acid was prevented by amylose. The ∆Hm of lauric acid increased with an increase in RH up to 79.0 % because liquid lauric acid would have fused as the result of enhanced repulsive force between liquid lauric acid and hydrated amylose. The ∆Hm of ALC increased with an increase in RH between 79.0 and 95.0 %. For ALC formation, amylose has to be mobile in the system, but dehydrated amylose is in a glassy (immobilize) state. According to the glass to rubber transition behavior of amorphous polymer, amylose held at 50 °C is suggested to become rubbery (mobile) state at RH 76.0 %. This interpretation will explain the reason why ALC formation began to be observed at the RH range between 72.4 and 79.0 %.
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Affiliation(s)
- Yuki Yoshitomi
- Graduate School of Integrated Sciences for Life, Hiroshima University
| | - Kiyoshi Kawai
- Graduate School of Integrated Sciences for Life, Hiroshima University
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28
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Cao C, Xie P, Zhou Y, Guo J. Characterization, Thermal Stability and Antimicrobial Evaluation of the Inclusion Complex of Litsea cubeba Essential Oil in Large-Ring Cyclodextrins (CD9-CD22). Foods 2023; 12:foods12102035. [PMID: 37238853 DOI: 10.3390/foods12102035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/11/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Food safety issues are becoming increasingly important as a result of contamination with foodborne pathogenic bacteria. Plant essential oil is a safe and non-toxic natural antibacterial agent that can be used to develop antimicrobial active packaging materials. However, most essential oils are volatile and require protection. In the present study, LCEO and LRCD were microencapsulated through coprecipitation. The complex was investigated using GC-MS, TGA, and FT-IR spectroscopy. According to the experimental results, it was found that LCEO entered the inner cavity of the LRCD molecule and formed a complex with LRCD. LCEO had a significant and broad-spectrum antimicrobial effect against all five microorganisms tested. At 50 °C, the microbial diameter of the essential oil and its microcapsules showed the least change, indicating that this essential oil has high antimicrobial activity. In research on microcapsule release, LRCD has proven to be a perfect wall material for controlling the delayed release of essential oil and extending the duration of antimicrobial activity. LRCD effectively extends antimicrobial duration by encasing LCEO, thus improving its heat stability and antimicrobial activity. The results presented here indicate that LCEO/LRCD microcapsules can be further utilized in the food packaging industry.
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Affiliation(s)
- Chuan Cao
- Department of Food Inspection and Testing, College of Environment and Life Health, Anhui Vocational and Technical College, Hefei 230011, China
- Anhui Engineering Laboratory for Agro-Products Processing, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
- Food Processing Research Institute, Anhui Agricultural University, Hefei 230036, China
| | - Peng Xie
- Department of Food Inspection and Testing, College of Environment and Life Health, Anhui Vocational and Technical College, Hefei 230011, China
- Department of Applied Economics, College of Grain and Supplies, Nanjing Finance and Economics, Nanjing 210023, China
| | - Yibin Zhou
- Anhui Engineering Laboratory for Agro-Products Processing, College of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China
- Food Processing Research Institute, Anhui Agricultural University, Hefei 230036, China
| | - Jing Guo
- Department of Food Inspection and Testing, College of Environment and Life Health, Anhui Vocational and Technical College, Hefei 230011, China
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29
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Chen JY, Zhang XW, Wu TY, Ye HM. Co-Crystallization between Aliphatic Polyesters through Co- Inclusion Complexation with Small Molecule. Molecules 2023; 28:molecules28104091. [PMID: 37241832 DOI: 10.3390/molecules28104091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/05/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
Crystalline/crystalline blends of polymer have shown advantages in the preparation of new polymeric materials. However, the regulation of co-crystallization in a blend is still full of challenges due to the preferential self-crystallization driven by thermodynamics. Here, an inclusion complex approach is proposed to facilitate the co-crystallization between crystalline polymers, because the crystallization process displays a prominent kinetics advantage when polymer chains are released from the inclusion complex. Poly(butylene succinate) (PBS), poly(butylene adipate) (PBA) and urea are chosen to form co-inclusion complexes, where PBS and PBA chains play as isolated guest molecules and urea molecules construct the host channel framework. The coalesced PBS/PBA blends are obtained by fast removing the urea framework and systematically investigated by differential scanning calorimetry, X-ray diffraction, proton nuclear magnetic resonance and Fourier transformation infrared spectrometry. It is demonstrated that PBA chains are co-crystallized into PBS extended-chain crystals in the coalesced blends, while such a phenomenon has not been detected in simply co-solution-blended samples. Though PBA chains could not be totally accommodated in the PBS extended-chain crystals, their co-crystallized content increases with the initial feeding ratio of PBA. Consequently, the melting point of the PBS extended-chain crystal gradually declines from 134.3 °C to 124.2 °C with an increasing PBA content. The PBA chains playing as defects mainly induce lattice expansion along the a-axis. In addition, when the co-crystals are soaked in tetrahydrofuran, some of the PBA chains are extracted out, leading to damage to the correlative PBS extended-chain crystals. This study shows that co-inclusion complexation with small molecules could be an effective way to promote co-crystallization behavior in polymer blends.
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Affiliation(s)
- Jia-Yao Chen
- Department of Materials Science and Engineering, College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Xue-Wen Zhang
- Beijing Institute of Space Launch Technology, Beijing 100076, China
| | - Tian-Yu Wu
- Department of Materials Science and Engineering, College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Hai-Mu Ye
- Department of Materials Science and Engineering, College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
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Hong SJ, Kim YM. Encapsulation of Clofazimine by Cyclodextran: Preparation, Characterization, and In Vitro Release Properties. Int J Mol Sci 2023; 24:ijms24108808. [PMID: 37240153 DOI: 10.3390/ijms24108808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/08/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
This study aimed to evaluate and compare the efficacy of cyclodextrans (CIs) and cyclodextrins (CDs) in improving the water solubility of a poorly water-soluble drug, clofazimine (CFZ). Among the evaluated CIs and CDs, CI-9 exhibited the highest percentage of drug inclusion and the highest solubility. Additionally, CI-9 showed the highest encapsulation efficiency, with a CFZ:CI-9 molar ratio of 0.2:1. SEM analysis indicated successful formation of inclusion complexes CFZ/CI and CFZ/CD, accounting for the rapid dissolution rate of the inclusion complex. Moreover, CFZ in CFZ/CI-9 demonstrated the highest drug release ratio, reaching up to 97%. CFZ/CI complexes were found to be an effective means of protecting the activity of CFZ against various environmental stresses, particularly UV irradiation, compared to free CFZ and CFZ/CD complexes. Overall, the findings provide valuable insights into designing novel drug delivery systems based on the inclusion complexes of CIs and CDs. However, further studies are needed to investigate the effects of these factors on the release properties and pharmacokinetics of encapsulated drugs in vivo, in order to ensure the safety and efficacy of these inclusion complexes. In conclusion, CI-9 is a promising candidate for drug delivery systems, and CFZ/CI complexes could be a potential formulation strategy for the development of stable and effective drug products.
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Affiliation(s)
- Seong-Jin Hong
- Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Young-Min Kim
- Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University, Gwangju 61186, Republic of Korea
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Araj SK, Szeleszczuk Ł. A Review on Cyclodextrins/Estrogens Inclusion Complexes. Int J Mol Sci 2023; 24:ijms24108780. [PMID: 37240133 DOI: 10.3390/ijms24108780] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
This review focuses on the methods of preparation and biological, physiochemical, and theoretical analysis of the inclusion complexes formed between estrogens and cyclodextrins (CDs). Because estrogens have a low polarity, they can interact with some cyclodextrins' hydrophobic cavities to create inclusion complexes, if their geometric properties are compatible. For the last forty years, estrogen-CD complexes have been widely applied in several fields for various objectives. For example, CDs have been used as estrogen solubilizers and absorption boosters in pharmaceutical formulations, as well as in chromatographic and electrophoretic procedures for their separation and quantification. Other applications include the removal of the endocrine disruptors from environmental materials, the preparation of the samples for mass spectrometric analysis, or solid-phase extractions based on complex formation with CDs. The aim of this review is to gather the most important outcomes from the works related to this topic, presenting the results of synthesis, in silico, in vitro, and in vivo analysis.
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Affiliation(s)
- Szymon Kamil Araj
- Department of Organic and Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 Str., 02-093 Warsaw, Poland
| | - Łukasz Szeleszczuk
- Department of Organic and Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 Str., 02-093 Warsaw, Poland
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Chen JR, Wei PS, Ju YR, Tsai SY, Yen PY, Kao CH, Wang YH, Chuang WT, Wu KY. Triggering the Vapochromic Behavior in C 60 via the Supramolecular Wrapping of st-PMMA. ACS Appl Mater Interfaces 2023; 15:23593-23601. [PMID: 37157130 DOI: 10.1021/acsami.3c01854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Understanding the physicochemical modulation of functional molecules is the primary step in exploring novel stimuli-responsive materials, and preventing the π-π stacking configuration of π-conjugated molecules has been an effective strategy of vapochromic material development, such as of nanoporous frameworks. Nevertheless, the more complicated synthetic strategy should in fact be applied in many circumstances. In this study, we explore a facile supramolecular strategy where the commodity plastic, syndiotactic-poly(methyl methacrylate) (st-PMMA), is utilized to wrap C60 to form the inclusion complex. The structural characterization revealed that C60s in the st-PMMA supramolecular helix had a lower coordination number (CN = 2) compared to the face-centered-cubic packing of pure C60s (CN = 12). Since the st-PMMA/C60 helical complex has structural flexibility, the π-π stacking structure of C60 was further interrupted by the intercalation of toluene vapors, and the complete isolation of C60 in the complex induced the desired vapochromic behavior. Furthermore, the aromatic interaction between C60 and aromatic solvent vapors enabled the st-PMMA/C60 inclusion complex to selectively encapsulate chlorobenzene, toluene, etc., and induce the color change. The st-PMMA/C60 inclusion complex exhibited a transparent film of sufficient structural integrity such that it can still induce a reversible color change after several cycles. As a result, a new strategy has been discovered for the development of novel vapochromic materials via host-guest chemistry.
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Affiliation(s)
- Jin-Rong Chen
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Pei-Sin Wei
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Yi-Ru Ju
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Sung-Yu Tsai
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 30010, Taiwan
| | - Pei-Yuan Yen
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Chien-Han Kao
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Yi-Hsuan Wang
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
| | - Wei-Tsung Chuang
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan
| | - Kuan-Yi Wu
- Department of Textile Engineering, University of Chinese Culture University, 55 Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
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Carvalho Feitosa R, Souza Ribeiro Costa J, van Vliet Lima M, Sawa Akioka Ishikawa E, Cogo Müller K, Bonin Okasaki F, Sabadini E, Garnero C, Longhi MR, Lavayen V, da Silva-Júnior AA, Oliveira-Nascimento L. Supramolecular Arrangement of Doxycycline with Sulfobutylether-β-Cyclodextrin: Impact on Nanostructuration with Chitosan, Drug Degradation and Antimicrobial Potency. Pharmaceutics 2023; 15:pharmaceutics15041285. [PMID: 37111770 PMCID: PMC10144562 DOI: 10.3390/pharmaceutics15041285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/31/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Doxycycline (DX) is a well-established and broad-spectrum antimicrobial drug. However, DX has drawbacks, such as physicochemical instability in aqueous media and bacterial resistance. The inclusion of drugs in cyclodextrin complexes and their loading into nanocarriers can overcome these limitations. Thus, we studied the DX/sulfobutylether-β-CD (SBE-β-CD) inclusion complex for the first time and used it to reticulate chitosan. The resulting particles were evaluated by their physicochemical characteristics and antibacterial activity. DX/SBE-β-CD complexes were characterized by nuclear magnetic resonance, infrared spectroscopy, thermal analysis, X-ray diffraction, and scanning electron microscopy (SEM), whereas DX-loaded nanoparticles were characterized by dynamic light scattering, SEM, and drug content. The partial inclusion of the DX molecule in CD happened in a 1:1 proportion and brought increased stability to solid DX upon thermal degradation. Chitosan-complex nanoparticles measured approximately 200 nm, with a narrow polydispersity and particles with sufficient drug encapsulation for microbiological studies. Both formulations preserved the antimicrobial activity of DX against Staphylococcus aureus, whereas DX/SBE-β-CD inclusion complexes were also active against Klebsiella pneumoniae, indicating the potential use of these formulations as drug delivery systems to treat local infections.
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Affiliation(s)
- Renata Carvalho Feitosa
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), Campinas 13083-871, SP, Brazil
| | | | - Marcelo van Vliet Lima
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), Campinas 13083-871, SP, Brazil
| | | | - Karina Cogo Müller
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), Campinas 13083-871, SP, Brazil
| | - Fernando Bonin Okasaki
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas 13083-970, SP, Brazil
| | - Edvaldo Sabadini
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas 13083-970, SP, Brazil
| | - Claudia Garnero
- Research and Pharmaceutical Technology Development Unit (UNITEFA, CONICET-UNC) and Department of Pharmacy, Faculty of Chemical Sciences, National University of Cordoba, Cordoba X5000HUA, Argentina
| | - Marcela Raquel Longhi
- Research and Pharmaceutical Technology Development Unit (UNITEFA, CONICET-UNC) and Department of Pharmacy, Faculty of Chemical Sciences, National University of Cordoba, Cordoba X5000HUA, Argentina
| | - Vladimir Lavayen
- Department of Inorganic Chemistry, Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
| | - Arnóbio Antônio da Silva-Júnior
- Laboratory of Pharmaceutical Technology and Biotechnology, Department of Pharmacy, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, RN, Brazil
| | - Laura Oliveira-Nascimento
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), Campinas 13083-871, SP, Brazil
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Sangkhawasi M, Kerdpol K, Ismail A, Nutho B, Hanpiboon C, Wolschann P, Krusong K, Rungrotmongkol T, Hannongbua S. In Vitro and In Silico Study on the Molecular Encapsulation of α-Tocopherol in a Large-Ring Cyclodextrin. Int J Mol Sci 2023; 24:ijms24054425. [PMID: 36901859 PMCID: PMC10002136 DOI: 10.3390/ijms24054425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/17/2023] [Accepted: 02/22/2023] [Indexed: 02/25/2023] Open
Abstract
α-tocopherol is the physiologically most active form of vitamin E, with numerous biological activities, such as significant antioxidant activity, anticancer capabilities, and anti-aging properties. However, its low water solubility has limited its potential use in the food, cosmetic, and pharmaceutical industries. One possible strategy for addressing this issue is the use of a supramolecular complex with large-ring cyclodextrins (LR-CDs). In this study, the phase solubility of the CD26/α-tocopherol complex was investigated to assess the possible ratios between host and guest in the solution phase. Next, the host-guest association of the CD26/α-tocopherol complex at different ratios of 1:2, 1:4, 1:6, 2:1, 4:1, and 6:1 was studied by all-atom molecular dynamics (MD) simulations. At 1:2 ratio, two α-tocopherol units interact spontaneously with CD26, forming an inclusion complex, as supported by the experimental data. In the 2:1 ratio, a single α-tocopherol unit was encapsulated by two CD26 molecules. In comparison, increasing the number of α-tocopherol or CD26 molecules above two led to self-aggregation and consequently limited the solubility of α-tocopherol. The computational and experimental results indicate that a 1:2 ratio could be the most suitable stoichiometry to use in the CD26/α-tocopherol complex to improve α-tocopherol solubility and stability in inclusion complex formation.
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Affiliation(s)
- Mattanun Sangkhawasi
- Center of Excellence in Computational Chemistry (CECC), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Khanittha Kerdpol
- Center of Excellence in Computational Chemistry (CECC), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Abbas Ismail
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Bodee Nutho
- Department of Pharmacology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Chonnikan Hanpiboon
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Peter Wolschann
- Institute of Theoretical Chemistry, University of Vienna, 1090 Vienna, Austria
| | - Kuakarun Krusong
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thanyada Rungrotmongkol
- Center of Excellence in Structural and Computational Biology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (T.R.); (S.H.); Tel.: +66-2218-5426 (T.R.); +66-8163-61957 (S.H.)
| | - Supot Hannongbua
- Center of Excellence in Computational Chemistry (CECC), Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (T.R.); (S.H.); Tel.: +66-2218-5426 (T.R.); +66-8163-61957 (S.H.)
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Liu S, Kong L, Huang T, Wei X, Tan L, Luo H, Zhang H. Encapsulation in Amylose Inclusion Complex Enhances the Stability and Release of Vitamin D. Nutrients 2023; 15:nu15051111. [PMID: 36904111 PMCID: PMC10005097 DOI: 10.3390/nu15051111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Vitamin D plays a significant role in the physiological functions of the human body. However, the application of vitamin D in functional foods is limited due to its sensitivity to light and oxygen. Therefore, in this study, we developed an effective method to protect vitamin D by encapsulating it in amylose. In detail, vitamin D was encapsulated by amylose inclusion complex, followed by structural characterization and evaluation of its stability and release properties. The results of X-ray diffraction, differential scanning calorimetry, and Fourier transform infrared spectroscopy showed that vitamin D was successfully encapsulated in the amylose inclusion complex, and the loading capacity was 1.96% ± 0.02%. The photostability and thermal stability of vitamin D after encapsulation was increased by 59% and 28%, respectively. In addition, in vitro simulated digestion showed that vitamin D was protected through the simulated gastric environment and can be released gradually in the simulated intestinal fluid, implying its improved bioaccessibility. Our findings provide a practical strategy for the development of functional foods based on vitamin D.
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Affiliation(s)
- Simiao Liu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Lingyan Kong
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Tianzhuo Huang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Xiaohui Wei
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Libo Tan
- Department of Human Nutrition and Hospitality Management, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Hailing Luo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Hao Zhang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Beijing Laboratory of Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing 100091, China
- Food Laboratory of Zhongyuan, Luohe 462300, China
- Correspondence: ; Tel.: +86-10-6273-6344
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Sierpe R, Donoso-González O, Lang E, Noyong M, Simon U, Kogan MJ, Yutronic N. Solid-State Formation of a Potential Melphalan Delivery Nanosystem Based on β-Cyclodextrin and Silver Nanoparticles. Int J Mol Sci 2023; 24. [PMID: 36835401 DOI: 10.3390/ijms24043990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 02/18/2023] Open
Abstract
Melphalan (Mel) is an antineoplastic widely used in cancer and other diseases. Its low solubility, rapid hydrolysis, and non-specificity limit its therapeutic performance. To overcome these disadvantages, Mel was included in β-cyclodextrin (βCD), which is a macromolecule that increases its aqueous solubility and stability, among other properties. Additionally, the βCD-Mel complex has been used as a substrate to deposit silver nanoparticles (AgNPs) through magnetron sputtering, forming the βCD-Mel-AgNPs crystalline system. Different techniques showed that the complex (stoichiometric ratio 1:1) has a loading capacity of 27%, an association constant of 625 M-1, and a degree of solubilization of 0.034. Added to this, Mel is partially included, exposing the NH2 and COOH groups that stabilize AgNPs in the solid state, with an average size of 15 ± 3 nm. Its dissolution results in a colloidal solution of AgNPs covered by multiple layers of the βCD-Mel complex, with a hydrodynamic diameter of 116 nm, a PDI of 0.4, and a surface charge of 19 mV. The in vitro permeability assays show that the effective permeability of Mel increased using βCD and AgNPs. This novel nanosystem based on βCD and AgNPs is a promising candidate as a Mel nanocarrier for cancer therapy.
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Commey K, Nakatake A, Enaka A, Nishi K, Tsukigawa K, Yamaguchi K, Ikeda H, Iohara D, Hirayama F, Otagiri M, Yamasaki K. Study of the inclusion complexes formed between 4-phenylbutyrate and α-, β- and γ-cyclodextrin in solution and evaluation on their taste-masking properties. J Pharm Pharmacol 2023; 75:236-244. [PMID: 36548517 DOI: 10.1093/jpp/rgac090] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 11/11/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVES 4-Phenylbutyrate (PB), which is used in the management of urea cycle disorders, has an unpleasant taste leading to poor patient compliance. Existing PB formulations though helpful, have some limitations in their use. This study reports on attempts to mask this unpleasant taste by complexing PB with cyclodextrins (CDs) to improve patient compliance. METHODS α, β and γCD were used as CDs. Phase solubility studies, circular dichroism, 1H-NMR spectroscopy, including ROESY, and molecular modelling were used to investigate and characterize the PB-CD interactions in solution. The taste-masking effect of the CDs was evaluated using in vitro taste sensor measurements. KEY FINDINGS PB interacts with α, β and γCD in solution to form 1:1, 1:1 and 1:2 CD: PB inclusion complexes, respectively, with stability constants in the order αCD > βCD > γCD. Taste evaluation revealed that the CDs significantly mask the taste of PB through the formation of the inclusion complexes. Notably, αCD masked the bitter taste of PB to 30% of the initial taste at a 1:1 molar ratio. CONCLUSION αCD significantly masks the unpleasant taste of PB in solution and can be used to formulate PB to address the limitations of existing formulations and improve patient compliance and quality of life.
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Affiliation(s)
- Kindness Commey
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Akari Nakatake
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Airi Enaka
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Koji Nishi
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Kenji Tsukigawa
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Koki Yamaguchi
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Hirohito Ikeda
- Faculty of Pharmaceutical Sciences, Fukuoka University, Jonan-ku, Fukuoka, Japan
| | - Daisuke Iohara
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Fumitoshi Hirayama
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Keishi Yamasaki
- Faculty of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan.,DDS Research Institute, Sojo University, Nishi-ku, Kumamoto, Japan
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Quintana-Contardo S, Donoso-González O, Lang E, Guerrero AR, Noyong M, Simon U, Kogan MJ, Yutronic N, Sierpe R. Optimizing Dacarbazine Therapy: Design of a Laser-Triggered Delivery System Based on β-Cyclodextrin and Plasmonic Gold Nanoparticles. Pharmaceutics 2023; 15. [PMID: 36839779 DOI: 10.3390/pharmaceutics15020458] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/21/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023] Open
Abstract
Dacarbazine (DB) is an antineoplastic drug extensively used in cancer therapy. However, present limitations on its performance are related to its low solubility, instability, and non-specificity. To overcome these drawbacks, DB was included in β-cyclodextrin (βCD), which increased its aqueous solubility and stability. This new βCD@DB complex has been associated with plasmonic gold nanoparticles (AuNPs), and polyethylene glycol (PEG) has been added in the process to increase the colloidal stability and biocompatibility. Different techniques revealed that DB allows for a dynamic inclusion into βCD, with an association constant of 80 M-1 and a degree of solubilization of 0.023, where βCD showed a loading capacity of 16%. The partial exposure of the NH2 group in the included DB allows its interaction with AuNPs, with a loading efficiency of 99%. The PEG-AuNPs-βCD@DB nanosystem exhibits an optical plasmonic absorption at 525 nm, a surface charge of -29 mV, and an average size of 12 nm. Finally, laser irradiation assays showed that DB can be released from this platform in a controlled manner over time, reaching a concentration of 56 μg/mL (43% of the initially loaded amount), which, added to the previous data, validates its potential for drug delivery applications. Therefore, the novel nanosystem based on βCD, AuNPs, and PEG is a promising candidate as a new nanocarrier for DB.
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Dragone M, Shitaye G, D’Abrosca G, Russo L, Fattorusso R, Isernia C, Malgieri G, Iacovino R. Inclusions of Pesticides by β-Cyclodextrin in Solution and Solid State: Chlorpropham, Monuron, and Propanil. Molecules 2023; 28:molecules28031331. [PMID: 36771001 PMCID: PMC9920956 DOI: 10.3390/molecules28031331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/11/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
Persistence and degradation are important factors in determining the safe use of such synthetic products, and numerous studies have been addressed to develop pesticide remediation methods aimed at ameliorating these features. In this frame, the use of different cyclodextrins (CDs) molecules has attracted considerable attention due to their well-known non-toxic nature, limited environmental impact, and capability to reduce the environmental and health risks of pesticides. CDs appear to be a valuable tool for the elimination of pesticides from polluted areas as well as for better pesticide formulations that positively influence their hydrolysis or degradation. The present work investigates the interaction between β-cyclodextrins and three commonly used pesticides (i.e., chlorpropham, monuron, and propanil) both in solution and in the solid state by means of UV-Vis, FT-IR, and X-ray powder diffractometry. We show that such interactions result in all three cases in the formation of inclusion complexes with a 1:1 stoichiometry and binding constants (Kb) of 369.9 M-1 for chlorpropham, 292.3 M-1 for monuron, and 298.3 M-1 for propanil. We also report the energy-minimized structures in silico for each complex. Our data expand and complement the available literature data in indicating CDs as a low-cost and very effective tool capable of modulating the properties that determine the environmental fate of pesticides.
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Affiliation(s)
- Martina Dragone
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Getasew Shitaye
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
- Department of Biomedical Sciences, School of Medical Sciences, Bahir Dar University, Bahir Dar 6000, Ethiopia
| | - Gianluca D’Abrosca
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Luigi Russo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Roberto Fattorusso
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Carla Isernia
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Gaetano Malgieri
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
| | - Rosa Iacovino
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Antonio Vivaldi 43, 81100 Caserta, Italy
- Correspondence: ; Tel.: +39-0823-2746363
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Patil SM, Barji DS, Chavan T, Patel K, Collazo AJ, Prithipaul V, Muth A, Kunda NK. Solubility Enhancement and Inhalation Delivery of Cyclodextrin-Based Inclusion Complex of Delamanid for Pulmonary Tuberculosis Treatment. AAPS PharmSciTech 2023; 24:49. [PMID: 36702977 DOI: 10.1208/s12249-023-02510-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
Tuberculosis (TB) is a contiguous airborne disease caused by Mycobacterium tuberculosis (M.tb), primarily affecting the human lungs. The progression of drug-susceptible TB to drug-resistant strains, MDR-TB and XDR-TB, has become a global challenge toward eradicating TB. Conventional TB treatment involves frequent dosing and prolonged treatment regimens predominantly by an oral or invasive route, leading to treatment-related systemic adverse effects and patient's noncompliance. Pulmonary delivery is an attractive option as we could reduce dose, limit systemic side-effects, and achieve rapid onset of action. Delamanid (DLD), an antituberculosis drug, has poor aqueous solubility, and in this study, we aim to improve its solubility using cyclodextrin complexation. We screened different cyclodextrins and found that HP-β-CD resulted in a 54-fold increase in solubility compared to a 27-fold and 13-fold increase by SBE-β-CD and HP-ɣ-CD, respectively. The stability constant (265 ± 15 M-1) and complexation efficiency (8.5 × 10-4) suggest the formation of a stable inclusion complex of DLD and HP-β-CD in a 2:1 ratio. Solid-state characterization studies (DSC, PXRD, and NMR) further confirmed successful complexation of DLD in HP-β-CD. The nebulized DLD-CD complex solution showed a mass median aerodynamic diameter of 4.42 ± 0.62 μm and fine particle fraction of 82.28 ± 2.79%, suggesting deposition in the respiratory airways. In bacterial studies, minimum inhibitory concentration of DLD-CD complex was significantly reduced (four-fold) compared to free DLD in M.tb (H37Ra strain). Furthermore, accelerated stability studies confirmed that the inclusion complex was stable for 4 weeks with 90%w/w drug content. In conclusion, we increased the aqueous solubility of DLD through cyclodextrin complexation and improved its efficacy in vitro.
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Affiliation(s)
- Suyash M Patil
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Druva Sarika Barji
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Tejashri Chavan
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Kinjal Patel
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Andrew J Collazo
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Vasudha Prithipaul
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Aaron Muth
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Nitesh K Kunda
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA.
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Annaji M, Mita N, Poudel I, Wang Q, Tipton B, Babu RJ, Lyman CC. Inclusion Complex of Clomiphene Citrate with Hydroxypropyl-β-Cyclodextrin for Intravenous Injection: Formulation and Stability Studies. AAPS PharmSciTech 2023; 24:48. [PMID: 36702943 PMCID: PMC9879620 DOI: 10.1208/s12249-023-02513-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
Clomiphene citrate is the first-line treatment for women with abnormal or failed ovulation. Currently, it is available as oral tablets, and the parenteral formulation does not exist. In this study, we prepared clomiphene citrate-hydroxypropyl-β-cyclodextrin inclusion complex for its use in intravenous injection. The inclusion complex was characterized in the liquid state (phase solubility) and solid state by differential scanning calorimetry, Fourier transform infrared spectroscopy, and nuclear magnetic resonance spectroscopy analyses. The sterile intravenous injection containing 0.5% clomiphene citrate was prepared and characterized for its physical properties, assay, pH, and osmolality. A stability-indicating high-performance liquid chromatography (HPLC) method for the injection was developed. The HPLC method was validated for the assay, linearity, precision and repeatability, benchtop stability, and forced degradation to elute clomiphene isomers from the degradation products. The injection was packed in sterile 10-ml glass vials with butyl rubber stoppers and stored at 40°C, room temperature, and 4°C. The samples at 0, 0.5, 1, 2, 3, and 6 months were analyzed for clarity, pH, osmolality, and drug assay. The HPLC method was linear (R2 = 0.9999), precise (0.86% relative standard deviation), and stability indicating. The stability data at the accelerated (40°C) storage condition for 6 months showed satisfactory results: the drug assay in the injection was between 90 and 105%, the injection remained clear, pH was between 4.0 and 4.4, and osmolality was between 270 and 350 mOsm. The stability data suggests that the product is stable and meets the given analytical specifications.
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Affiliation(s)
- Manjusha Annaji
- grid.252546.20000 0001 2297 8753Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Alabama, 36849 USA
| | - Nur Mita
- grid.252546.20000 0001 2297 8753Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Alabama, 36849 USA
| | - Ishwor Poudel
- grid.252546.20000 0001 2297 8753Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Alabama, 36849 USA
| | - Qi Wang
- grid.252546.20000 0001 2297 8753Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Alabama, 36849 USA
| | - Brittany Tipton
- grid.252546.20000 0001 2297 8753Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Alabama, 36849 USA
| | - R. Jayachandra Babu
- grid.252546.20000 0001 2297 8753Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Alabama, 36849 USA
| | - Candace C. Lyman
- grid.252546.20000 0001 2297 8753Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Alabama, 36849 USA
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Kouderis C, Tsigoias S, Siafarika P, Kalampounias AG. The Effect of Alkali Iodide Salts in the Inclusion Process of Phenolphthalein in β-Cyclodextrin: A Spectroscopic and Theoretical Study. Molecules 2023; 28. [PMID: 36770813 DOI: 10.3390/molecules28031147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/13/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The formation of the inclusion complex between β-cyclodextrin (CD) and phenolphthalein (PP) was investigated by means of UV-Vis and FT-IR spectroscopies. The thermodynamic parameters were calculated in the absence and presence of LiI, KI, NaI and CsI iodide salts. The enthalpy change during the formation was found to be negative for all solutions with iodide salts. The enthalpy change was found to decrease in the sequence no salt > NaI > KI> CsI > LiI. Moreover, it was observed that with increasing salt concentration enthalpy decreases monotonically. The interaction between the two molecules was mostly attributed to hydrogen bonding and Van der Waals interactions. Thermodynamic properties revealed that electrostatic forces also contribute when LiI is present in solutions. A molecular docking study was performed to elucidate the docking between phenolphthalein and cyclodextrin. The FT-IR spectra of CD, PP and the CD-PP complex were recorded to establish the formation of the inclusion complex. Semi-empirical and DFT methods were utilized to study theoretically the complexation process and calculate the IR vibrational spectra. The adequate agreement between theoretical and experimental results supports the proposed structural model for the CD-PP complexation.
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Iwamoto MA, Kadokawa JI. Vine-Twining Inclusion Behavior of Amylose towards Hydrophobic Polyester, Poly(β-propiolactone), in Glucan Phosphorylase-Catalyzed Enzymatic Polymerization. Life (Basel) 2023; 13. [PMID: 36836651 DOI: 10.3390/life13020294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/10/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
This study investigates inclusion behavior of amylose towards, poly(β-propiolactone) (PPL), that is a hydrophobic polyester, via the vine-twining process in glucan phosphorylase (GP, isolated from thermophilic bacteria, Aquifex aeolicus VF5)-catalyzed enzymatic polymerization. As a result of poor dispersibility of PPL in sodium acetate buffer, the enzymatically produced amylose by GP catalysis incompletely included PPL in the buffer media under the general vine-twining polymerization conditions. Alternatively, we employed an ethyl acetate-sodium acetate buffer emulsion system with dispersing PPL as the media for vine-twining polymerization. Accordingly, the GP (from thermophilic bacteria)-catalyzed enzymatic polymerization of an α-d-glucose 1-phosphate monomer from a maltoheptaose primer was performed at 50 °C for 48 h in the prepared emulsion to efficiently form the inclusion complex. The powder X-ray diffraction profile of the precipitated product suggested that the amylose-PPL inclusion complex was mostly produced in the above system. The 1H NMR spectrum of the product also supported the inclusion complex structure, where a calculation based on an integrated ratio of signals indicated an almost perfect inclusion of PPL in the amylosic cavity. The prevention of crystallization of PPL in the product was suggested by IR analysis, because it was surrounded by the amylosic chains due to the inclusion complex structure.
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Paul S, Jeyaprakash RS, Pai A, Venkatachalam H, Jayashree BS. Calixarenes and their Relevance in Anticancer Drug Development. Med Chem 2023; 19:939-945. [PMID: 37403386 DOI: 10.2174/1573406419666230703114605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 05/15/2023] [Accepted: 05/27/2023] [Indexed: 07/06/2023]
Abstract
Calixarenes have always captured the attention of several researchers. They have the ability to entrap multiple molecules and form inclusion complexes with drugs due to their unique structure. Due to this property, they are being widely used in the development of several classes of drugs, most notably anticancer drugs. This review attempted to summarize the potential applications of calixarenes and its derivatives in the development of anticancer drugs, with a focus on the delivery of drug classes such as DNA intercalators, taxanes, DNA alkylators, and topoisomerase inhibitors. Calixarene-based macromolecular chemistry could therefore have a high potential for overcoming the toxicity of cancer chemotherapy and achieving targeted drug delivery.
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Affiliation(s)
- Soumyajeet Paul
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka-576104, India
| | - Ramaiah Selladurai Jeyaprakash
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka-576104, India
| | - Aravinda Pai
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka-576104, India
| | - Hillemane Venkatachalam
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka-576104, India
| | - Bellur Srinivas Jayashree
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka-576104, India
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Ding Y, Yu B, Zhou S, Ding C, Zhang Z, Xu S, Xu Z. Improvement of solubility and pharmacokinetic profile of hepatoprotector icariin through complexation with HP- γ-cyclodextrin. Front Pharmacol 2023; 14:1138686. [PMID: 37033648 PMCID: PMC10073486 DOI: 10.3389/fphar.2023.1138686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 03/09/2023] [Indexed: 04/11/2023] Open
Abstract
Icariin as a hepatoprotector from Herba epimedii can expand the cardiovascular and cerebral blood vessels, promote hematopoietic functions, enhance the immune system and show anti-liver tumor activities. However, its low solubility (0.02 mg/mL) limits its clinical applications as food and medical supplements. Through complexation with HP-γ-cyclodextrin by using a trace amount of water-soluble polymer, the water solubility of icariin was increased by 654 times, which is the best result to date for the water solubility study of icariin. In an in vitro pharmacokinetic study, the complexation increased the dissolution rate of icariin by 80 times, and the icariin complex can be 100% released in the first few minutes. Through complexation, in an in vivo dog pharmacokinetic study, the C max of icariin was increased about 5 times, the AUC0-120 was increased about 20 times and the clearance of icariin was changed from 11.17 L/h/kg to 0.65 L/h/kg. The half-life time was changed from 0.68 h to 6.38 h and the relative bioavailability was increased by nearly 20 times, indicating that less drug is needed for the same therapeutic effect by using the icariin complex, and the complex can be used as a potential potent hepatoprotector or anti-liver cancer drug.
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Affiliation(s)
- Yili Ding
- College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang, China
- *Correspondence: Yili Ding,
| | - Bo Yu
- Life Science Department, Foshan University, Foshan, Guangdong, China
| | - Shuzhen Zhou
- Eastern Along Pharmaceutical Co., Ltd., Foshan, Guangdong, China
| | - Charles Ding
- Keck School of Medicine of USC, Los Angeles, CA, United States
| | - Zhiyuan Zhang
- Life Science Department, Foshan University, Foshan, Guangdong, China
| | - Shufeng Xu
- Life Science Department, Foshan University, Foshan, Guangdong, China
| | - Zhe Xu
- College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang, China
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Van Nguyen A, Deineka VI, Vu ATN, LE TD, Tran-Trung H, Nguyen TA. Inclusion complexes of squalene with beta-cyclodextrin and methyl-beta-cyclodextrin: preparation and characterization. Turk J Chem 2022; 47:294-306. [PMID: 37720860 PMCID: PMC10504019 DOI: 10.55730/1300-0527.3537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/20/2023] [Accepted: 12/29/2022] [Indexed: 02/25/2023] Open
Abstract
The present work aimed to investigate inclusion complexes of squalene with various cyclodextrins (native β-cyclodextrin and methyl-β-cyclodextrin). The production of squalene-β-cyclodextrin inclusion complex was obtained using Response Surface Methodology and obtained inclusion complexes were studied with FTIR spectroscopy, X-ray diffractometry, thermal analysis, and 1H-NMR spectrometry. At the same time, squalene content was determined by reversed-phase high-performance liquid chromatography. All results confirmed that squalene was successfully involved in the cyclodextrin cavities. Optimizing the condition in preparation for the squalen-β-cyclodextrin inclusion complex yielded 54.3% with squalene content of 9.01%. The essential difference for the inclusion complex of squalene with methylated beta-cyclodextrin was that no precipitate formed in the initial mixture, and the complex was more efficiently dispersed in water. The conclusions of the inclusion complex formation were confirmed by computer simulation by optimizing the complex geometry using the DFT, MM2, and MP3 methods.
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Affiliation(s)
- Anh Van Nguyen
- Faculty of Food Science and Technology, Ho Chi Minh City University of Food Industry, Ho Chi Minh City, Vietnam
| | - Victor I Deineka
- Institute of Engineering Technologies and Natural Sciences, Belgorod National Research University, Belgorod, Russia
| | - Anh Thi Ngoc Vu
- Environmental Analysis Laboratory, Southern Branch of Vietnam-Russia Tropical Center, Ho Chi Minh City, Vietnam
| | - Tuan Dinh LE
- Department of Chemistry, Hanoi Pedagogical University 2, Vinh Phuc, Vietnam
| | - Hieu Tran-Trung
- Department of Chemistry, College of Education, Vinh University, Vinh City, Nghe An, Vietnam
| | - Tien A Nguyen
- Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
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Constantin M, Cosman B, Ascenzi P, Simionescu BC, Fundueanu G. New chromatographic insights on drug:cyclodextrin inclusion complexes and their potential use in drug delivery. Expert Opin Drug Deliv 2022; 19:1696-1709. [PMID: 36372064 DOI: 10.1080/17425247.2022.2147159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Cyclodextrins (CDs) play a pivotal role in the controlled release of drugs; however, their ability to gradually release drugs is here interrogated: can cyclodextrins, even those that form strong inclusion complexes, sustain a prolonged release of drugs? METHODS An original chromatographic approach was developed and accordingly we classified and determined drugs that form the most stable inclusion complexes with cyclodextrins. β-CD and hydroxypropyl-β-CD (HP-β-CD) were coupled to pullulan (Pul) microspheres and packed into a chromatographic column. Then, different drugs or model compounds were eluted, and values of the retention time (RT) were determined. In vitro release studies were performed for drugs that form the most stable inclusion complexes. RESULTS The drugs with the longest RT value form the most stable inclusion complexes with Pul/β-CD and Pul/HP-β-CD microspheres. Pul/β-CD microspheres form more stable inclusion complexes than Pul/HP-β-CD microspheres. However, in spite of their high stability, they were not able to gradually release the included drug (15 min release time). The cross-chromatographic experiments confirmed the hypothesis that in aqueous solution, drug/cyclodextrin complexes are continuously associated and dissociated. CONCLUSIONS If the dissociation of the guest molecule is very rapid, why is it expected that these complexes gradually release the drug?
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Affiliation(s)
- Marieta Constantin
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, Iasi, Romania
| | - Bogdan Cosman
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, Iasi, Romania
| | - Paolo Ascenzi
- Department of Sciences, Roma Tre University, Rome, Italy
| | - Bogdan C Simionescu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, Iasi, Romania
| | - Gheorghe Fundueanu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, Iasi, Romania
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Bolibol M, Guzman G, De Guzman LM. Ternary system of sultamicillin tosylate with hydroxypropyl-β-cyclodextrin and L-arginine: susceptibility against methicillin-resistant Staphylococcus aureus. Ther Deliv 2022; 13:561-75. [PMID: 36861310 DOI: 10.4155/tde-2022-0050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
Aim: This study investigated the effect of complex formation between sultamicillin tosylate (ST), hydroxypropyl-β cyclodextrin (HP-βCD) and L-arginine (ARG). Materials & methods: The kneading method was used to prepare the complexes, which were then characterized using SEM, DSC, FT-IR, HPLC, saturation solubility and dissolution studies. The complexes' antibacterial activity against MRSA (ATCC®-43300TM) was evaluated using ZOI and MIC. Results: Solubility was enhanced in the binary and ternary complexes compared with ST (p < 0.001). MIC and ZOI showed that both complexes have increased antibacterial activity compared with ST (p < 0.001) against MRSA. Conclusion: As a result, the inclusion complex of ST with HP-βCD and ARG can be used to improve the physicochemical properties of ST while also improving antibacterial efficacy against MRSA infections.
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Christoforides E, Andreou A, Papaioannou A, Bethanis K. Structural Studies of Piperine Inclusion Complexes in Native and Derivative β-Cyclodextrins. Biomolecules 2022; 12:biom12121762. [PMID: 36551190 PMCID: PMC9775453 DOI: 10.3390/biom12121762] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Piperine (PN), the primary pungent alkaloid in black pepper shows several biological activities such as antioxidant, antimicrobial and anti-cancerogenic effects. Similar to other alkaloids, PN is characterized by poor water solubility. One way to improve its solubility and thus its biological activities is by forming inclusion complexes with suitable cyclodextrins. In this work PN inclusion complexes in native β-cyclodextrin (β-CD), its methylated (randomly methylated (RM-β-CD), heptakis-(2,6-di-O-methyl)-β-CD (DM-β-CD) and heptakis-(2,3,6-tri-O-methyl)-β-CD (TM-β-CD)) and 2-hydroxypropylated (HP-β-CD) derivatives are investigated using physicochemical methods, such as phase solubility study and X-ray crystallography complemented by theoretical (molecular dynamics simulations) studies. The determination of the crystal structure of the PN inclusion complexes in β-CD, DM-β-CD and TM-β-CD, reveals the formation of 1:2 guest:host inclusion complexes in the crystalline state. The guest PN molecule threads the hydrophobic cavities of the hosts which are arranged as couples in a tail-to-tail mode in the case of PN/β-CD and in a head-to-tail mode in the cases of PN/DM-β-CD and PN/TM-β-CD. MD studies based on the crystallographically determined structures and docked models show the stability of the examined complexes in an aqueous environment whereas the binding affinity of PN for the host molecules is calculated by the MM/GBSA method. Finally, phase-solubility studies of PN with β-CD, RM-β-CD and HP-β-CD are presented, indicating a Bs-type for the PN/β-CD complex and an AL-type for the PN/RM-β-CD and PN/HP-β-CD complexes with 1:1 guest:host stoichiometry.
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Affiliation(s)
- Elias Christoforides
- Physics Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
- Department of Biomedical Sciences, University of West Attica, Campus 1, Ag. Spyridonos 28, 12243 Athens, Greece
| | - Athena Andreou
- Genetics Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Andreas Papaioannou
- Physics Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Kostas Bethanis
- Physics Laboratory, Department of Biotechnology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
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50
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Kovacs T, Nagy P, Panyi G, Szente L, Varga Z, Zakany F. Cyclodextrins: Only Pharmaceutical Excipients or Full-Fledged Drug Candidates? Pharmaceutics 2022; 14:pharmaceutics14122559. [PMID: 36559052 PMCID: PMC9788615 DOI: 10.3390/pharmaceutics14122559] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
Cyclodextrins, representing a versatile family of cyclic oligosaccharides, have extensive pharmaceutical applications due to their unique truncated cone-shaped structure with a hydrophilic outer surface and a hydrophobic cavity, which enables them to form non-covalent host-guest inclusion complexes in pharmaceutical formulations to enhance the solubility, stability and bioavailability of numerous drug molecules. As a result, cyclodextrins are mostly considered as inert carriers during their medical application, while their ability to interact not only with small molecules but also with lipids and proteins is largely neglected. By forming inclusion complexes with cholesterol, cyclodextrins deplete cholesterol from cellular membranes and thereby influence protein function indirectly through alterations in biophysical properties and lateral heterogeneity of bilayers. In this review, we summarize the general chemical principles of direct cyclodextrin-protein interactions and highlight, through relevant examples, how these interactions can modify protein functions in vivo, which, despite their huge potential, have been completely unexploited in therapy so far. Finally, we give a brief overview of disorders such as Niemann-Pick type C disease, atherosclerosis, Alzheimer's and Parkinson's disease, in which cyclodextrins already have or could have the potential to be active therapeutic agents due to their cholesterol-complexing or direct protein-targeting properties.
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Affiliation(s)
- Tamas Kovacs
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Peter Nagy
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Gyorgy Panyi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Lajos Szente
- CycloLab Cyclodextrin R & D Laboratory Ltd., H-1097 Budapest, Hungary
| | - Zoltan Varga
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Florina Zakany
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
- Correspondence:
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