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Liu T, Gong X, Cai Y, Li HY, Forbes B. Pullulan-Based Spray-Dried Mucoadhesive Microparticles for Sustained Oromucosal Drug Delivery. Pharmaceutics 2024; 16:460. [PMID: 38675121 PMCID: PMC11053838 DOI: 10.3390/pharmaceutics16040460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 03/16/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Mucoadhesive microparticles for oromucosal drug delivery offer several advantages, including intimate contact with the mucosa, delivery to less accessible regions, extended residence time, sustained drug release, reduced irritation, and improved patient compliance. In this study, pullulan was used to prepare mucoadhesive spray-dried microparticles for delivering benzydamine hydrochloride (BZH) to oral mucosa. The BZH-pullulan spray-dried microparticles had a mean size of <25 μm with an angle of repose values between 25.8-36.6°. Pullulan markedly extended drug-release time to >180 min, ~9 times greater than the duration (i.e., 20 min) reportedly achieved by chitosan. Kinetic analysis showed the drug-release rate was concentration dependent and jointly controlled by drug diffusion and polymer chain relaxation. Further, pullulan was mucoadhesive and was able to retain up to 78.8% w/w of microencapsulated gold nanoparticle probes at the mucosal membrane. These data strongly suggest that BZH-pullulan microparticles have great potential for oromucosal drug delivery, by providing elongated residence time in situ and sustained drug release for the treatment of local diseases.
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Affiliation(s)
- Ting Liu
- College of Stomatology, Guizhou Medical University, Guiyang 550004, China; (T.L.); (Y.C.)
| | - Xiang Gong
- Guiyang Hospital of Stomatology, Guiyang 550007, China;
| | - Yang Cai
- College of Stomatology, Guizhou Medical University, Guiyang 550004, China; (T.L.); (Y.C.)
| | - Hao-Ying Li
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK
| | - Ben Forbes
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK
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Milenkova S, Ambrus R, Mukhtar M, Pilicheva B, Marudova M. Spray-Dried Chitosan Hydrogel Particles as a Potential Delivery System for Benzydamine Hydrochloride. Gels 2024; 10:189. [PMID: 38534607 DOI: 10.3390/gels10030189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024] Open
Abstract
Chitosan, being a biocompatible and mucoadhesive polysaccharide, is one of the most preferred hydrogel-forming materials for drug delivery. The objectives of the present study are to obtain spray-dried microparticles based on low-molecular-weight chitosan and study their potential application as cargo systems for the orally active drug benzydamine hydrochloride. Three types of particles are obtained: raw chitosan particles (at three different concentrations), cross-linked with sodium tripolyphosphate (NaTPP) particles (at three different chitosan:NaTPP ratios), and particles coated with mannitol (at three different chitosan:mannitol ratios), all of them in the size range between 1 and 10 µm. Based on the loading efficiency and the yields of the formulated hydrogel particles, one model of each type is chosen for further investigation of the effect of the cross-linker or the excipient on the properties of the gel structures. The morphology of both empty and benzydamine hydrochloride-loaded chitosan particles was examined by scanning electron microscopy, and it was quite regular and spherical. Interactions and composition in the samples are investigated by Fourier-transformed infrared spectroscopy. The thermal stability and phase state of the drug and drug-containing polymer matrixes were tested by differential scanning calorimetry and X-ray powdered diffraction, revealing that the drug underwent a phase transition. A drug release kinetics study of the chosen gel-based structures in simulated saliva buffer (pH = 6.8) and mathematical modeling of the process were performed, indicating the Weibull model as the most appropriate one.
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Affiliation(s)
- Sofia Milenkova
- Faculty of Physics and Technology, University of Plovdiv "Paisii Hilendarski", 24 Tsar Asen Str., 4000 Plovdiv, Bulgaria
| | - Rita Ambrus
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, H-6720 Szeged, Hungary
| | - Mahwash Mukhtar
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, H-6720 Szeged, Hungary
| | - Bissera Pilicheva
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Medical University of Plovdiv, 15A Vassil Aprilov Blvd., 4002 Plovdiv, Bulgaria
- Research Institute, Medical University of Plovdiv, 15A Vassil Aprilov Blvd., 4002 Plovdiv, Bulgaria
| | - Maria Marudova
- Faculty of Physics and Technology, University of Plovdiv "Paisii Hilendarski", 24 Tsar Asen Str., 4000 Plovdiv, Bulgaria
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Mittal A, Mahala N, Dhanawade NH, Dubey SK, Dubey US. Evaluation of the cytotoxic activity of sorafenib-loaded camel milk casein nanoparticles against hepatocarcinoma cells. Biotechnol J 2024; 19:e2300449. [PMID: 38472095 DOI: 10.1002/biot.202300449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 01/23/2024] [Accepted: 02/11/2024] [Indexed: 03/14/2024]
Abstract
Sorafenib, a multikinase inhibitor is used to treat hepatocellular and renal carcinoma. However, a low solubility impedes its bioavailability and thus, effectiveness. This study aims to enhance its effectiveness by using novel camel milk casein nanoparticles as a delivery system. This study evaluates the cytotoxicity of sorafenib encapsulated in camel milk casein nanoparticles against human hepatocarcinoma cells (HepG2 cells) in vitro. Optimal drug loaded nanoparticles were stable for 1 month, had encapsulation efficiency of 96%, exhibited a particle size of 230 nm, zeta potential of -14.4 and poly disparity index of 0.261. Treatment with it led to cell morphology and DNA fragmentation as a characteristic of apoptosis. Flow cytometry showed G1 phase arrest of cell cycle and 26% increased apoptotic cells population upon treatment as compared to control. Sorafenib-loaded casein nanoparticles showed 6-fold increased ROS production in HepG2 cells as compared to 4-fold increase shown by the free drug. Gene and protein expression studies done by qPCR and western blotting depicted upregulation of tumor suppressor gene p53, pro-apoptotic Bax, and caspase-3 along with downregulated anti-apoptotic Bcl-2 gene and protein expression which further emphasized death by apoptosis. It is concluded regarding the feasibility of these casein nanoparticles as a delivery system with enhanced therapeutic outcomes against hepatocellular carcinoma cells.
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Affiliation(s)
- Aastha Mittal
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
| | - Neelam Mahala
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
- Department of Biotechnology, Parul Institute of Technology, Parul University, Vadodara, Gujarat, India
| | - Nikhil Hanamant Dhanawade
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
| | | | - Uma S Dubey
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
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Peniche H, Razonado IA, Alcouffe P, Sudre G, Peniche C, Osorio-Madrazo A, David L. Wet-Spun Chitosan-Sodium Caseinate Fibers for Biomedicine: From Spinning Process to Physical Properties. Int J Mol Sci 2024; 25:1768. [PMID: 38339046 PMCID: PMC10855522 DOI: 10.3390/ijms25031768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/24/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
We designed and characterized chitosan-caseinate fibers processed through wet spinning for biomedical applications such as drug delivery from knitted medical devices. Sodium caseinate was either incorporated directly into the chitosan dope or allowed to diffuse into the chitosan hydrogel from a coagulation bath containing sodium caseinate and sodium hydroxide (NaOH). The latter route, where caseinate was incorporated in the neutralization bath, produced fibers with better mechanical properties for textile applications than those formed by the chitosan-caseinate mixed collodion route. The latter processing method consists of enriching a pre-formed chitosan hydrogel with caseinate, preserving the structure of the semicrystalline hydrogel without drastically affecting interactions involved in the chitosan self-assembly. Thus, dried fibers, after coagulation in a NaOH/sodium caseinate aqueous bath, exhibited preserved ultimate mechanical properties. The crystallinity ratio of chitosan was not significantly impacted by the presence of caseinate. However, when caseinate was incorporated into the chitosan dope, chitosan-caseinate fibers exhibited lower ultimate mechanical properties, possibly due to a lower entanglement density in the amorphous phase of the chitosan matrix. A standpoint is to optimize the chitosan-caseinate composition ratio and processing route to find a good compromise between the preservation of fiber mechanical properties and appropriate fiber composition for potential application in drug release.
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Affiliation(s)
- Hazel Peniche
- Ingénierie des Matériaux Polymères (IMP), Universite Claude Bernard Lyon 1, INSA de Lyon, Universite J. Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France; (H.P.); (I.A.R.); (P.A.); (G.S.)
- Biomaterials Center, University of Havana, Havana 10600, Cuba
| | - Ivy Ann Razonado
- Ingénierie des Matériaux Polymères (IMP), Universite Claude Bernard Lyon 1, INSA de Lyon, Universite J. Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France; (H.P.); (I.A.R.); (P.A.); (G.S.)
| | - Pierre Alcouffe
- Ingénierie des Matériaux Polymères (IMP), Universite Claude Bernard Lyon 1, INSA de Lyon, Universite J. Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France; (H.P.); (I.A.R.); (P.A.); (G.S.)
| | - Guillaume Sudre
- Ingénierie des Matériaux Polymères (IMP), Universite Claude Bernard Lyon 1, INSA de Lyon, Universite J. Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France; (H.P.); (I.A.R.); (P.A.); (G.S.)
| | - Carlos Peniche
- Faculty of Chemistry, University of Havana, Havana 10600, Cuba;
| | - Anayancy Osorio-Madrazo
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Jena Center for Soft Matter (JCSM), and Center for Energy and Environmental Chemistry Jena (CEEC), Friedrich Schiller University of Jena, 07743 Jena, Germany
- Laboratory of Organ Printing, University of Bayreuth, 95447 Bayreuth, Germany
| | - Laurent David
- Ingénierie des Matériaux Polymères (IMP), Universite Claude Bernard Lyon 1, INSA de Lyon, Universite J. Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France; (H.P.); (I.A.R.); (P.A.); (G.S.)
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Bu N, Zhou N, Cao G, Mu R, Pang J, Ma C, Wang L. Konjac glucomannan/carboxymethyl chitosan film embedding gliadin/casein nanoparticles for grape preservation. Int J Biol Macromol 2023; 249:126131. [PMID: 37543273 DOI: 10.1016/j.ijbiomac.2023.126131] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/07/2023]
Abstract
Constructing biopolymer-based packaging films with fantastic water resistance and mechanical properties for food preservation is highly desirable and challenging. In this work, Gliadin/Casein nanoparticles (GCNPs) were prepared by pH-driven method and embedded into konjac glucomannan/carboxymethyl chitosan (KC) film matrix to improve the water resistance and mechanical properties of KC film. Gliadin and Casein showed good compatibility and co-assembled to form compact GCNPs clusters through hydrogen bonding and hydrophobic interaction verified by FT-IR spectroscopy, and fluorescence spectroscopy. The particle size and zeta potential of GCNPs was 269.7 nm and -7.6 mV, respectively. The effect of GCNPs on the mechanics, water barrier, thermal stability, and UV-shielding of KC-GCNPs film was investigated. SEM images revealed that GCNPs uniformly distributed into KC film matrix and significantly improved the mechanics (tensile strength: 75.6 MPa, elongation at breaking: 36.7 %), water barrier ability (water contact angle: 91.3°, water vapor permeability: 0.994 g mm/m2 day kPa, water solubility: 52.0 %), thermal stability and UV blocking property of KC-GCNPs film. Furthermore, KC-GCNPs film could also be applied to extend the shelf life of grapes. This paper demonstrated the great potential of GCNPs as functional nanofillers in enhancing the physicochemical properties of KC film.
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Affiliation(s)
- Nitong Bu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ning Zhou
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Guoyu Cao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ruojun Mu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Jie Pang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Chen Ma
- Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China.
| | - Lin Wang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China.
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Sadiq U, Shahid F, Gill H, Chandrapala J. The Release Behavior of Anthraquinones Encapsulated into Casein Micelles during In Vitro Digestion. Foods 2023; 12:2844. [PMID: 37569113 PMCID: PMC10418339 DOI: 10.3390/foods12152844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
The degradation of anthraquinones extracted from aloe vera plants can be prevented by encapsulating them in casein micelles (CMs). The oral, gastric, and intestinal digestion behavior of spray-dried microcapsules of casein micelles loaded with aloe vera-extracted anthraquinone powder (CMAQP), freeze-dried powder (CMFDP), and whole-leaf aloe vera gel (CMWLAG) obtained through ultrasonication was investigated. The results found that CMAQP and CMFDP dissolved slowly and coagulated into large curds during gastric digestion, improving the retention of anthraquinones in the digestive tract. In contrast, CMWLAG structure was destroyed and increased amounts of anthraquinones were released during oral and gastric digestion phases, indicating increased amounts of surface anthraquinones instead of the encapsulation of anthraquinones in the interior of CMs. The strong hydrophobic interactions protected anthraquinones within the core of CM for CMAQP and delayed diffusion. However, during SIF digestion, both CMAQP and CMFDP released significant amounts of anthraquinones, although CMAQP showed a much more controlled release for both aloin and aloe-emodin over SIF digestion time. The release behavior of anthraquinones from CM microcapsules was a function of the type of anthraquinone that was used to encapsulate. The present study provides insight into the release behavior of loaded bioactive compounds using food-grade CMs as the wall material during in vitro digestion and highlights the importance of the type of bioactive component form that will be encapsulated.
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Affiliation(s)
- Uzma Sadiq
- School of Science, RMIT University, Bundoora, Melbourne, VIC 3083, Australia; (U.S.); (H.G.)
| | - Fatima Shahid
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Harsharn Gill
- School of Science, RMIT University, Bundoora, Melbourne, VIC 3083, Australia; (U.S.); (H.G.)
| | - Jayani Chandrapala
- School of Science, RMIT University, Bundoora, Melbourne, VIC 3083, Australia; (U.S.); (H.G.)
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Hudiță A, Gălățeanu B. Polymer Materials for Drug Delivery and Tissue Engineering. Polymers (Basel) 2023; 15:3103. [PMID: 37514492 PMCID: PMC10385964 DOI: 10.3390/polym15143103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
In recent years, the biomedical engineering field has seen remarkable advancements, focusing mainly on developing novel solutions for enhancing tissue regeneration or improving therapeutic outcomes [...].
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Affiliation(s)
- Ariana Hudiță
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania
| | - Bianca Gălățeanu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania
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Asaduzzaman M, Schulte J, Gebhardt R. Soft Matter Engineering for the Fabrication of Functionalized Casein Microparticles. CHEM-ING-TECH 2023. [DOI: 10.1002/cite.202200114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Md Asaduzzaman
- RWTH Aachen University Chair of Soft Matter Process Engineering (AVT.SMP) Forckenbeckstraße 51 52074 Aachen Germany
| | - Jann Schulte
- RWTH Aachen University Chair of Soft Matter Process Engineering (AVT.SMP) Forckenbeckstraße 51 52074 Aachen Germany
| | - Ronald Gebhardt
- RWTH Aachen University Chair of Soft Matter Process Engineering (AVT.SMP) Forckenbeckstraße 51 52074 Aachen Germany
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Citrate effect on the swelling behaviour and stability of casein microparticles. Sci Rep 2022; 12:18401. [PMID: 36319679 PMCID: PMC9626602 DOI: 10.1038/s41598-022-23096-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 10/25/2022] [Indexed: 01/01/2023] Open
Abstract
Casein microparticles obtained from casein micelles by volume exclusion of added pectin and subsequent film drying remain stable in the acidic and neutral pH range, but swell strongly in the basic range. Calcium significantly impacts on the stability and water-binding behavior of phosphorylated caseins and the aggregates and gels formed from them. For a future effective and controlled use as a carrier for bioactive substances, e.g. via the gastrointestinal tract, we therefore investigated how the addition of the calcium chelating agent citrate affects the swelling and stability of the microparticles. Citrate concentrations of 2 mM and above cause a stronger swelling of the microparticles at pH 8, while above 4 mM the second characteristic swelling step starts earlier and thus can also be investigated within the observation time of 120 min. All swelling kinetics can be simulated using seven parameters of a dynamic model, which reproduces the individual swelling steps via volume inflows and outflows into a reservoir. While the rate coefficient for swelling step 1 increases linearly with citrate concentration, no such dependence could be found for swelling step 2. The more citrate is used, the faster the microparticles decompose in turbidity experiments after the addition of sodium dodecyl sulfate, which can be related to a weakening of the hydrophobic interactions.
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Casein Microgels as Benzydamine Hydrochloride Carriers for Prolonged Release. MATERIALS 2022; 15:ma15041333. [PMID: 35207872 PMCID: PMC8875778 DOI: 10.3390/ma15041333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/08/2022] [Accepted: 02/08/2022] [Indexed: 11/17/2022]
Abstract
This research aims to investigate the properties of nano- and micro-sized casein hydrogels crosslinked by sodium tripolyphosphate as drug delivery systems. Benzydamine hydrochloride was chosen as a model hydrophilic drug. The gels were synthesized by varying different parameters: casein concentration, casein/crosslinking ratio, and addition of ethanol as a co-solvent. The electrostatic attractive interactions between the casein and the sodium tripolyphosphate were confirmed by FTIR spectroscopy. The particle sizes was determined by dynamic light scattering and varied in the range between several hundred nanometers and several microns. The yield of the gelation process was high for all investigated samples and varied between 55.3% and 78.3%. The encapsulation efficiency of the particles was strongly influenced by the casein concentration and casein/crosslinker ratio and its values were between 4.6% and 22.4%. The release study confirmed that casein particles are useful as benzydamine carriers and ensured prolonged release over 72 h.
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