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Zhang H, Li Y, Fu Y, Jiao H, Wang X, Wang Q, Zhou M, Yong YC, Liu J. A structure-functionality insight into the bioactivity of microbial polysaccharides toward biomedical applications: A review. Carbohydr Polym 2024; 335:122078. [PMID: 38616098 DOI: 10.1016/j.carbpol.2024.122078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/16/2024] [Accepted: 03/18/2024] [Indexed: 04/16/2024]
Abstract
Microbial polysaccharides (MPs) are biopolymers secreted by microorganisms such as bacteria and fungi during their metabolic processes. Compared to polysaccharides derived from plants and animals, MPs have advantages such as wide sources, high production efficiency, and less susceptibility to natural environmental influences. The most attractive feature of MPs lies in their diverse biological activities, such as antioxidative, anti-tumor, antibacterial, and immunomodulatory activities, which have demonstrated immense potential for applications in functional foods, cosmetics, and biomedicine. These bioactivities are precisely regulated by their sophisticated molecular structure. However, the mechanisms underlying this precise regulation are not yet fully understood and continue to evolve. This article presents a comprehensive review of the most representative species of MPs, including their fermentation and purification processes and their biomedical applications in recent years. In particular, this work presents an in-depth analysis into the structure-activity relationships of MPs across multiple molecular levels. Additionally, this review discusses the challenges and prospects of investigating the structure-activity relationships, providing valuable insights into the broad and high-value utilization of MPs.
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Affiliation(s)
- Hongxing Zhang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yan Li
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yinyi Fu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Haixin Jiao
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Xiangyu Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Qianqian Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Mengbo Zhou
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yang-Chun Yong
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jun Liu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China.
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2
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Vieira WT, Viegas JSR, da Silva MGC, de Oliveira Nascimento L, Vieira MGA, Sarmento B. Self-assembly mucoadhesive beads of κ-carrageenan/sericin for indomethacin oral extended release. Int J Biol Macromol 2024; 270:132062. [PMID: 38705340 DOI: 10.1016/j.ijbiomac.2024.132062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/07/2024]
Abstract
Oral drug administration, especially when composed of mucoadhesive delivery systems, has been a research trend due to increased residence time and contact with the mucosa, potentially increasing drug bioavailability and stability. In this context, this study aimed to develop self-assembly mucoadhesive beads composed of blends of κ-carrageenan and sericin (κ-Car/Ser) loaded with the anti-inflammatory drug indomethacin (IND). We investigated the swelling, adhesion behaviour, and mechanical/physical properties of the beads, assessing their effects on cell viability, safety and permeation characteristics in both 2D and triple-culture model. The swelling ratio of the beads indicated pH-responsiveness, with maximum water absorption at pH 6.8, and strong mucoadhesion, increasing primarily with higher polymer concentrations. The beads exhibited thermal stability and no chemical interaction with IND, showing improved mechanical properties. Furthermore, the beads remained stable during accelerated and long-term storage studies. The beads were found to be biocompatible, and IND encapsulation improved cell viability (>70 % in both models, 79 % in VN) and modified IND permeation through the models (6.3 % for F5 formulation (κ-Car 0.90 % w/v | Ser 1.2 % w/v| IND 3.0 g); 10.9 % for free IND, p < 0.05). Accordingly, κ-Car/Ser/IND beads were demonstrated to be a promising IND drug carrier to improve oral administration while mitigating the side effects of non-steroidal anti-inflammatories.
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Affiliation(s)
- Wedja Timóteo Vieira
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil
| | - Juliana Santos Rosa Viegas
- i3S - Institute for Research & Innovation in Health, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Meuris Gurgel Carlos da Silva
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil
| | - Laura de Oliveira Nascimento
- University of Campinas, School of Pharmaceutical Sciences, Rua Cândido Portinari, 200, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-871, Brazil
| | - Melissa Gurgel Adeodato Vieira
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil.
| | - Bruno Sarmento
- i3S - Institute for Research & Innovation in Health, University of Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; IUCS-CESPU, Rua Central de Gandra 1317, 4585-116 Gandra, Portugal
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3
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Carrêlo H, Jiménez-Rosado M, Vieira T, Da Rosa RR, Perez-Puyana VM, Silva JC, Romero A, Borges JP, Soares PIP. A Thermoresponsive injectable drug delivery system of chitosan/β-glycerophosphate with gellan gum/alginate microparticles. Int J Biol Macromol 2024; 271:131981. [PMID: 38811317 DOI: 10.1016/j.ijbiomac.2024.131981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 05/31/2024]
Abstract
The development of new Drug Delivery Systems (DDS) by incorporating microparticles within hydrogels can prolong the release rate of drugs and/or other bioactive agents. In this study, we combined gellan gum/alginate microparticles within a thermoresponsive chitosan (Ch) hydrogel with β-Glycerophosphate (β-GP), designing the system to be in the sol state at 21 °C and in the gel state at 37 °C to enable the injectability of the system. The system was in the sol state between 10 °C and 21 °C. Higher concentrations of β-GP (0, 2, 3, 4, 5 w/v%) and microparticles (0, 2 and 5 w/v%) allowed a faster sol-gel transition with higher mechanical strength at 37 °C. However, the sol-gel transition was not instantaneous. The release profile of methylene blue (MB) from the microparticles was significantly affected by their incorporation in Ch/β-GP hydrogels, only allowing the release of 60-70 % of MB for 6 days, while the microparticles alone released all the MB in 48 h. The proposed system did not present cytotoxicity to VERO cell lines as a preliminary assay, with the Ch/β-GP/GG:Alg having >90 % of cellular viability. The proposed Ch/β-GP system proved to have a delaying effect on drug release and biocompatible properties, being a promising future DDS.
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Affiliation(s)
- H Carrêlo
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal.
| | - M Jiménez-Rosado
- Department of Applied Chemistry and Physics, Universidad de León, 24007 León, Spain
| | - Tânia Vieira
- CENIMAT/i3N, Department of Physics, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal
| | - Rafaela R Da Rosa
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal
| | | | - Jorge Carvalho Silva
- CENIMAT/i3N, Department of Physics, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal.
| | - A Romero
- Department of Chemical Engineering, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - J P Borges
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal.
| | - Paula I P Soares
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (NOVA FCT), Campus de Caparica, 2829-516 Caparica, Portugal.
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Yan B, Chen T, Tao Y, Zhang N, Zhao J, Zhang H, Chen W, Fan D. Fabrication, Functional Properties, and Potential Applications of Mixed Gellan-Polysaccharide Systems: A Review. Annu Rev Food Sci Technol 2024; 15:151-172. [PMID: 37906941 DOI: 10.1146/annurev-food-072023-034318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Gellan, an anionic heteropolysaccharide synthesized by Sphingomonas elodea, is an excellent gelling agent. However, its poor mechanical strength and high gelling temperature limit its application. Recent studies have reported that combining gellan with other polysaccharides achieves desirable properties for food- and biomaterial-related applications. This review summarizes the fabrication methods, functional properties, and potential applications of gellan-polysaccharide systems. Starch, pectin, xanthan gum, and konjac glucomannan are the most widely used polysaccharides in these composite systems. Heating-cooling and ionic-induced cross-linking approaches have been used in the fabrication of these systems. Composite gels fabricated using gellan and various polysaccharides exhibit different functional properties, possibly because of their distinct molecular interactions. In terms of applications, mixed gellan-polysaccharide systems have been extensively used in texture modification, edible coatings and films, bioactive component delivery, and tissue-engineering applications. Further scientific studies, including structural determinations of mixed systems, optimization of processing methods, and expansion of applications in food-related fields, are needed.
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Affiliation(s)
- Bowen Yan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Tiantian Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Yuan Tao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Nana Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Daming Fan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China;
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
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Günter E, Popeyko O, Vityazev F, Popov S. Effect of Callus Cell Immobilization on the Textural and Rheological Properties, Loading, and Releasing of Grape Seed Extract from Pectin Hydrogels. Gels 2024; 10:273. [PMID: 38667692 PMCID: PMC11048760 DOI: 10.3390/gels10040273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
The purpose of the present study was to prepare pectin hydrogels with immobilized Lemna minor callus cells and to identify the effect of cell immobilization on the textural, rheological, and swelling properties; loading; and releasing of grape seed extract (GSE) from the hydrogels. Hardness, adhesiveness, elasticity, the strength of linkage, and complex viscosity decreased with increasing cell content in the hydrogels based on pectin with a degree of methyl esterification (DM) of 5.7% (TVC) and during incubation in gastrointestinal fluids. An increase in the rheological properties and fragility of pectin/callus hydrogels based on pectin with a DM of 33.0% (CP) was observed at a cell content of 0.4 g/mL. TVC-based pectin/callus beads increased their swelling in gastrointestinal fluids as cell content increased. TVC-based beads released GSE very slowly into simulated gastric and intestinal fluids, indicating controlled release. The GSE release rate in colonic fluid decreased with increasing cell content, which was associated with the accumulation of GSE in cells. CP-based beads released GSE completely in the intestinal fluid due to weak textural characteristics and rapid degradation within 10 min. Pectin/callus hydrogels have the ability to preserve GSE for a long time and may have great potential for the development of proanthocyanidin delivery systems due to their novel beneficial physicochemical and textural properties.
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Affiliation(s)
- Elena Günter
- Institute of Physiology of Federal Research Centre, Komi Science Centre, Urals Branch of the Russian Academy of Sciences, 50, Pervomaiskaya Str., 167982 Syktyvkar, Russia; (O.P.); (F.V.)
| | | | | | - Sergey Popov
- Institute of Physiology of Federal Research Centre, Komi Science Centre, Urals Branch of the Russian Academy of Sciences, 50, Pervomaiskaya Str., 167982 Syktyvkar, Russia; (O.P.); (F.V.)
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6
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Carvalho SG, Haddad FF, Dos Santos AM, Scarim CB, Ferreira LMB, Meneguin AB, Chorilli M, Gremião MPD. Chitosan surface modification modulates the mucoadhesive, permeation and anti-angiogenic properties of gellan gum/bevacizumab nanoparticles. Int J Biol Macromol 2024; 263:130272. [PMID: 38373560 DOI: 10.1016/j.ijbiomac.2024.130272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/11/2024] [Accepted: 02/15/2024] [Indexed: 02/21/2024]
Abstract
Bevacizumab (BVZ) was the first monoclonal antibody approved by the FDA and has shown an essential advance in the antitumor therapy of colorectal cancer (CRC), however, the systemic action of BVZ administered intravenously can trigger several adverse effects. The working hypothesis of the study was to promote the modulation of the mucoadhesion properties and permeability of the BVZ through the formation of nanoparticles (NPs) with gellan gum (GG) with subsequent surface modification with chitosan (CS). NPs comprising BVZ and GG were synthesized through polyelectrolyte complexation, yielding spherical nanosized particles with an average diameter of 264.0 ± 2.75 nm and 314.0 ± 0.01 nm, polydispersity index of 0.182 ± 0.01 e 0.288 ± 0.01, and encapsulation efficiency of 29.36 ± 0.67 e 60.35 ± 0.27 mV, for NPs without (NP_BVZ) and with surface modification (NP_BVZ + CS). The results showed a good ability of nanoparticles with surface modification to modulate the NPs biological properties.
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Affiliation(s)
- Suzana Gonçalves Carvalho
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Felipe Falcão Haddad
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Aline Martins Dos Santos
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Cauê Benito Scarim
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Leonardo Miziara Barboza Ferreira
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil
| | - Andréia Bagliotti Meneguin
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Marlus Chorilli
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
| | - Maria Palmira Daflon Gremião
- Department of Drugs and Pharmaceutics, School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, SP, Brazil.
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Günter EA, Melekhin AK, Belozerov VS, Martinson EA, Litvinets SG. Preparation, physicochemical characterization and swelling properties of composite hydrogel microparticles based on gelatin and pectins with different structure. Int J Biol Macromol 2024; 258:128935. [PMID: 38143057 DOI: 10.1016/j.ijbiomac.2023.128935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/05/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
Composite hydrogel microparticles based on pectins with different structures (callus culture pectin (SVC) and apple pectin (AU)) and gelatin were developed. Hydrogel microparticles were formed by the ionotropic gelation and electrostatic interaction of COO- groups of pectin and NH3+ groups of gelatin, which was confirmed by FTIR spectroscopy. The addition of gelatin to pectin-based gel formulations resulted in a decrease in gel strength, whereas increasing gelatin concentration enhanced this effect. The microparticle gel strength increased in proportion to the increase in the pectin concentration. The DSC and TGA analyzes showed that pectin-gelatin gels had the higher thermal stability than individual pectins. The gel strength, Ca2+ content and thermal stability of the microparticles based on gelatin and SVC pectin with a lower degree of methylesterification (DM) (14.8 %) were higher compared to that of microparticles based on gelatin and AU pectin with a higher DM (40 %). An increase in the SVC concentration, Ca2+ content and gel strength of SVC-gelatin microparticles led to a decrease in the swelling degree in simulated gastrointestinal fluids. The addition of 0.5 % gelatin to gels based on AU pectin resulted in increased stability of the microparticles in gastrointestinal fluids, while the microparticles from AU without gelatin were destroyed.
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Affiliation(s)
- Elena A Günter
- Institute of Physiology of Federal Research Centre "Komi Science Centre of the Urals Branch of the Russian Academy of Sciences", 50, Pervomaiskaya str., Syktyvkar 167982, Russia.
| | - Anatoliy K Melekhin
- Institute of Physiology of Federal Research Centre "Komi Science Centre of the Urals Branch of the Russian Academy of Sciences", 50, Pervomaiskaya str., Syktyvkar 167982, Russia
| | - Vladislav S Belozerov
- Institute of Physiology of Federal Research Centre "Komi Science Centre of the Urals Branch of the Russian Academy of Sciences", 50, Pervomaiskaya str., Syktyvkar 167982, Russia; Vyatka State University, 36, Moskovskaya str., Kirov 610000, Russia
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Carrêlo H, Cidade MT, Borges JP, Soares P. Gellan Gum/Alginate Microparticles as Drug Delivery Vehicles: DOE Production Optimization and Drug Delivery. Pharmaceuticals (Basel) 2023; 16:1029. [PMID: 37513940 PMCID: PMC10384707 DOI: 10.3390/ph16071029] [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: 06/27/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Gellan gum is a biocompatible and easily accessible polysaccharide with excellent properties to produce microparticles as drug delivery systems. However, the production methods often fail in reproducibility, compromising the translational potential of such systems. In this work, the production of gellan gum-based microparticles was optimized using the coaxial air flow method, and an inexpensive and reproducible production method. A design of experiments was used to identify the main parameters that affect microparticle production and optimization, focusing on diameter and dispersibility. Airflow was the most significant factor for both parameters. Pump flow affected the diameter, while the gellan gum/alginate ratio affected dispersibility. Microparticles were revealed to be sensitive to pH with swelling, degradation, and encapsulation efficiency affected by pH. Using methylene blue as a model drug, higher encapsulation, and swelling indexes were obtained at pH 7.4, while a more pronounced release occurred at pH 6.5. Within PBs solutions, the microparticles endured up to two months. The microparticle release profiles were studied using well-known models, showing a Fickian-type release, but with no alteration by pH. The developed microparticles showed promising results as drug-delivery vehicles sensitive to pH.
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Affiliation(s)
- Henrique Carrêlo
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
| | - Maria Teresa Cidade
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
| | - João Paulo Borges
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
| | - Paula Soares
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
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Stachowiak N, Kowalonek J, Kozlowska J, Burkowska-But A. Stability Studies, Biodegradation Tests, and Mechanical Properties of Sodium Alginate and Gellan Gum Beads Containing Surfactant. Polymers (Basel) 2023; 15:polym15112568. [PMID: 37299365 DOI: 10.3390/polym15112568] [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: 05/03/2023] [Revised: 05/28/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
The excessive presence of single-use plastics is rapidly degrading our natural environment on a global scale due to their inherent resistance to decomposition. Wet wipes used for personal or household purposes contribute significantly to the accumulation of plastic waste. One potential solution to address this problem involves developing eco-friendly materials that possess the ability to degrade naturally while retaining their washing capabilities. For this purpose, the beads from sodium alginate, gellan gum, and a mixture of these natural polymers containing surfactant were produced using the ionotropic gelation method. Stability studies of the beads by observing their appearance and diameter were performed after incubation in solutions of different pH values. The images showed that macroparticles were reduced in size in an acidic medium and swelled in solution of pH-neutral phosphate-buffered saline. Moreover, all the beads first swelled and then degraded in alkaline conditions. The beads based on gellan gum and combining both polymers were the least sensitive to pH changes. The compression tests revealed that the stiffness of all macroparticles decreased with the increasing pH of the solutions in which they were immersed. The studied beads were more rigid in an acidic solution than in alkaline conditions. The biodegradation of macroparticles was assessed using a respirometric method in soil and seawater. It is important to note that the macroparticles degraded more rapidly in soil than in seawater.
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Affiliation(s)
- Natalia Stachowiak
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina St. 7, 87-100 Torun, Poland
| | - Jolanta Kowalonek
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina St. 7, 87-100 Torun, Poland
| | - Justyna Kozlowska
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina St. 7, 87-100 Torun, Poland
| | - Aleksandra Burkowska-But
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, Lwowska St. 1, 87-100 Torun, Poland
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10
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da Rocha LBN, Sousa RB, Dos Santos MVB, Neto NMA, da Silva Soares LL, Alves FLC, de Carvalho MAM, Osajima JA, Silva-Filho EC. Development of a new biomaterial based on cashew tree gum (Anarcadium occidentale L.) enriched with hydroxyapatite and evaluation of cytotoxicity in adipose-derived stem cell cultures. Int J Biol Macromol 2023; 242:124864. [PMID: 37192713 DOI: 10.1016/j.ijbiomac.2023.124864] [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: 02/20/2023] [Revised: 04/11/2023] [Accepted: 05/10/2023] [Indexed: 05/18/2023]
Abstract
Cashew tree gum is a polysaccharide material highly available in the Northeast region of Brazil. It has been explored for biocompatibility with human tissues. This research aimed to describe the synthesis and characterization of cashew gum/hydroxyapatite scaffold and evaluate the possible cytotoxicity in murine adipo-derived stem cells (ADSCs) cultures. ADSCs of the subcutaneous fat tissue of Wistar rats were collected, isolated, expanded, differentiated into three strains, and characterized immunophenotypically. The scaffolds were synthesized through chemical precipitation, lyophilized and characterized through scanning electron microscopy (SEM), infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermal analysis (TG and DTG), and mechanical testing. The scaffold presented a crystalline structure and pores with an average diameter of 94.45 ± 50.57 μm. By mechanical tests, the compressive force and modulus of elasticity were like the cancellous bone. The isolated adipose-derived stem cells (ADSCs) presented fibroblast morphology, adhesion capacity to plastic, differentiation in osteogenic, adipogenic and chondrogenic lineages, positive expression for the CD105 and CD90 markers and negative expression for the CD45 and CD14 markers. The MTT test showed increased cell viability, and the biomaterial showed a high level of hemocompatibility (<5 %). This study allowed the development of a new scaffold for future surgical applicability in tissue regeneration.
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Affiliation(s)
| | - Ricardo Barbosa Sousa
- Federal Institute of Education, Science, and Technology of Tocantins, Campus Araguaina, 56, Amazonas Avenue, 77826-170 Araguaina, TO, Brazil; Interdisciplinar Laboratory of Advanced Materials, LIMAV, UFPI, Teresina, PI, Brazil.
| | | | | | | | | | | | - Josy Anteveli Osajima
- Interdisciplinar Laboratory of Advanced Materials, LIMAV, UFPI, Teresina, PI, Brazil
| | - Edson C Silva-Filho
- Interdisciplinar Laboratory of Advanced Materials, LIMAV, UFPI, Teresina, PI, Brazil
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11
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Mendes AI, Fraga AG, Peixoto MJ, Aroso I, Longatto‐Filho A, Marques AP, Pedrosa J. Gellan gum spongy-like hydrogel-based dual antibiotic therapy for infected diabetic wounds. Bioeng Transl Med 2023; 8:e10504. [PMID: 37206216 PMCID: PMC10189450 DOI: 10.1002/btm2.10504] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/15/2023] [Accepted: 02/27/2023] [Indexed: 05/21/2023] Open
Abstract
Diabetic foot infection (DFI) is an important cause of morbidity and mortality. Antibiotics are fundamental for treating DFI, although bacterial biofilm formation and associated pathophysiology can reduce their effectiveness. Additionally, antibiotics are often associated with adverse reactions. Hence, improved antibiotic therapies are required for safer and effective DFI management. On this regard, drug delivery systems (DDSs) constitute a promising strategy. We propose a gellan gum (GG)-based spongy-like hydrogel as a topical and controlled DDS of vancomycin and clindamycin, for an improved dual antibiotic therapy against methicillin-resistant Staphylococcus aureus (MRSA) in DFI. The developed DDS presents suitable features for topical application, while promoting the controlled release of both antibiotics, resulting in a significant reduction of in vitro antibiotic-associated cytotoxicity without compromising antibacterial activity. The therapeutic potential of this DDS was further corroborated in vivo, in a diabetic mouse model of MRSA-infected wounds. A single DDS administration allowed a significant bacterial burden reduction in a short period of time, without exacerbating host inflammatory response. Taken together, these results suggest that the proposed DDS represents a promising strategy for the topical treatment of DFI, potentially overcoming limitations associated with systemic antibiotic administration and minimizing the frequency of administration.
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Affiliation(s)
- Ana Isabel Mendes
- Life and Health Sciences Research Institute (ICVS)School of MedicineUniversity of MinhoBragaPortugal
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
| | - Alexandra Gabriel Fraga
- Life and Health Sciences Research Institute (ICVS)School of MedicineUniversity of MinhoBragaPortugal
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
| | - Maria João Peixoto
- Life and Health Sciences Research Institute (ICVS)School of MedicineUniversity of MinhoBragaPortugal
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
| | - Ivo Aroso
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoGuimarãesPortugal
| | - Adhemar Longatto‐Filho
- Life and Health Sciences Research Institute (ICVS)School of MedicineUniversity of MinhoBragaPortugal
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
- Molecular Oncology Research CenterBarretos Cancer HospitalBarretosSão PauloBrazil
- Laboratory of Medical Investigation (LIM) 14Hospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão PauloBrazil
| | - Alexandra Pinto Marques
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoGuimarãesPortugal
| | - Jorge Pedrosa
- Life and Health Sciences Research Institute (ICVS)School of MedicineUniversity of MinhoBragaPortugal
- ICVS/3B's–PT Government Associate LaboratoryBraga/GuimarãesPortugal
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12
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Multilayered polymer coating modulates mucoadhesive and biological properties of camptothecin-loaded lipid nanocapsules. Int J Pharm 2023; 635:122792. [PMID: 36863543 DOI: 10.1016/j.ijpharm.2023.122792] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 02/24/2023] [Accepted: 02/26/2023] [Indexed: 03/04/2023]
Abstract
Lipid core nanocapsules (NCs) coated with multiple polymer layers were rationally designed as a potential approach for the colonic delivery of camptothecin (CPT). Chitosan (CS), hyaluronic acid (HA) and hypromellose phthalate (HP) were selected as coating materials, to modulate the mucoadhesive and permeability properties of CPT regarding the improvement of local and targeted action in the colon cancer cells. NCs were prepared by emulsification/solvent evaporation method and coated with multiple polymer layers by polyelectrolyte complexation technique. NCs exhibited spherical shape, negative zeta potential, and size ranged from 184 to 252 nm. The high efficiency of CPT incorporation (>94%) was evidenced. The ex vivo permeation assay showed that nanoencapsulation reduced the permeation rate of CPT through the intestinal mucosa by up to 3.5 times, and coating with HA and HP reduced the permeation percentage by 2 times when compared to NCs coated only with CS. The mucoadhesive capacity of NCs was demonstrated in gastric and enteric pH. Nanoencapsulation did not reduce the antiangiogenic activity of CPT and, additionally, it was observed that nanoencapsulation resulted in localized antiangiogenic action of CPT.
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13
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Progress and opportunities in Gellan gum-based materials: A review of preparation, characterization and emerging applications. Carbohydr Polym 2023; 311:120782. [PMID: 37028862 DOI: 10.1016/j.carbpol.2023.120782] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023]
Abstract
Gellan gum, a microbial exopolysaccharide, is biodegradable and has potential to fill several key roles in many fields from food to pharmacy, biomedicine and tissue engineering. In order to improve the physicochemical and biological properties of gellan gum, some researchers take advantage of numerous hydroxyl groups and the free carboxyl present in each repeating unit. As a result, design and development of gellan-based materials have advanced significantly. The goal of this review is to provide a summary of the most recent, high-quality research trends that have used gellan gum as a polymeric component in the design of numerous cutting-edge materials with applications in various fields.
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Baawad A, Jacho D, Hamil T, Yildirim-Ayan E, Kim DS. Polysaccharide-Based Composite Scaffolds for Osteochondral and Enthesis Regeneration. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:123-140. [PMID: 36181352 DOI: 10.1089/ten.teb.2022.0114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
The rotator cuff and Achilles tendons along with the anterior cruciate ligament (ACL) are frequently injured with limited healing capacity. At the soft-hard tissue interface, enthesis is prone to get damaged and its regeneration in osteochondral defects is essential for complete healing. The current clinical techniques used in suturing procedures to reattach tendons to bones need much improvement for the generation of the native interface tissue, that is, enthesis, for patients to regain their full functions. Recently, inspired by the composite native tissue, much effort has been made to fabricate composite scaffolds for enthesis tissue regeneration. This review first focuses on the studies that used composite scaffolds for the regeneration of enthesis. Then, the use of polysaccharides for osteochondral tissue engineering is reviewed and their potential for enthesis regeneration is presented based on their supporting effects on osteogenesis and chondrogenesis. Gellan gum (GG) is selected and reviewed as a promising polysaccharide due to its unique osteogenic and chondrogenic activities that help avoid the inherent weakness of dissimilar materials in composite scaffolds. In addition, original preliminary results showed that GG supports collagen type I production and upregulation of osteogenic marker genes. Impact Statement Enthesis regeneration is essential for complete and functional healing of tendon and ligament tissues. Current suturing techniques to reattach the tendon/ligament to bones have high failure rates. This review highlights the studies on biomimetic scaffolds aimed to regenerate enthesis. In addition, the potential of using polysaccharides to regenerate enthesis is discussed based on their ability to regenerate osteochondral tissues. Gellan gum is presented as a promising biopolymer that can be modified to simultaneously support bone and cartilage regeneration by providing structural continuity for the scaffold.
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Affiliation(s)
- Abdullah Baawad
- Department of Chemical Engineering, University of Toledo, Toledo, Ohio, USA
| | - Diego Jacho
- Department of Bioengineering, University of Toledo, Toledo, Ohio, USA
| | - Taijah Hamil
- Department of Chemical Engineering, University of Toledo, Toledo, Ohio, USA
| | - Eda Yildirim-Ayan
- Department of Bioengineering, University of Toledo, Toledo, Ohio, USA
| | - Dong-Shik Kim
- Department of Chemical Engineering, University of Toledo, Toledo, Ohio, USA
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15
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Kanca Y, Özkahraman B. An investigation on tribological behavior of methacrylated κ-carrageenan and gellan gum hydrogels as a candidate for chondral repair. J Biomater Appl 2023; 37:1271-1285. [PMID: 36473707 DOI: 10.1177/08853282221144235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Natural polysaccharides have recently attracted attention as structural biomaterials to replace focal chondral defects. In the present study, in-vitro tribological performance of methacrylated κ-carrageenan and gellan gum hydrogels (KA-MA and GG-MA) was evaluated under physiological conditions. Coefficient of friction (COF) was continuously recorded over testing whilst worn area was measured post-testing. The findings help improve our understanding of KA-MA-H and GG-MA-H tribological performance under various physiological conditions. The friction and wear performance of the hydrogels improved in bovine calf serum lubricant at lower applied loads. Adhesion was the dominant wear mechanism detected by SEM. Among the proposed hydrogels GG-MA-H found robust mechanical properties, increased wear resistance and considerably low COF, which may suggest its potential usage as a cartilage substitute.
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Affiliation(s)
- Yusuf Kanca
- Department of Mechanical Engineering, Faculty of Engineering, 162313Hitit University, Çorum, Turkey
| | - Bengi Özkahraman
- Department of Polymer Materials Engineering, Faculty of Engineering, 162313Hitit University, Çorum, Turkey
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16
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Popov S, Paderin N, Chistiakova E, Ptashkin D. Serosal Adhesion Ex Vivo of Hydrogels Prepared from Apple Pectin Cross-Linked with Fe 3+ Ions. Int J Mol Sci 2023; 24:ijms24021248. [PMID: 36674765 PMCID: PMC9861213 DOI: 10.3390/ijms24021248] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/28/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
The study aims to investigate the adhesion of a hydrogel made of cross-linked low-methyl esterified pectin to rat intestinal serosa ex vivo. The adhesivity of the FeP hydrogel, which was cross-linked by Fe3+ cations, exceeded that of hydrogels cross-linked by Ca2+, Zn2+, and Al3+ cations. The concentration of the cross-linking cation failed to influence the adhesion of the pectin hydrogel to the serosa. The mechanical properties and surface microrelief of the pectin hydrogel were influenced by the type and concentration of the cross-linking cations. Fe3+ cations form a harder and more elastic gel than Ca2+ cations. Scanning electron microscopy analysis revealed the characteristic surface pattern of FeP hydrogel and its denser internal structure compared to Ca2+ cross-linked hydrogel. The effect of the salt composition of the adhesion medium was shown since the FeP hydrogel's adhesion to the serosa was lower in physiological solutions than in water, and adhesion in Hanks' solution was higher than in phosphate buffered saline. Serum proteins and peritoneal leukocytes did not interfere with the serosal adhesion of the FeP hydrogel. Pre-incubation in Hanks' solution for 24 h significantly reduced the adhesion of the FeP hydrogel to the serosa, regardless of the pH of the incubation. Thus, serosal adhesion combined with excellent stability and mechanical properties in physiological environments appeared to be advantages of the FeP hydrogel, demonstrating it to be a promising bioadhesive for tissue engineering.
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17
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Ionotropic Gelation and Chemical Crosslinking as Methods for Fabrication of Modified-Release Gellan Gum-Based Drug Delivery Systems. Pharmaceutics 2022; 15:pharmaceutics15010108. [PMID: 36678736 PMCID: PMC9865147 DOI: 10.3390/pharmaceutics15010108] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 12/31/2022] Open
Abstract
Hydrogels have a tridimensional structure. They have the ability to absorb a significant amount of water or other natural or simulated fluids that cause their swelling albeit without losing their structure. Their properties can be exploited for encapsulation and modified targeted drug release. Among the numerous natural polymers suitable for obtaining hydrogels, gellan gum is one gaining much interest. It is a gelling agent with many unique features, and furthermore, it is non-toxic, biocompatible, and biodegradable. Its ability to react with oppositely charged molecules results in the forming of structured physical materials (films, beads, hydrogels, nanoparticles). The properties of obtained hydrogels can be modified by chemical crosslinking, which improves the three-dimensional structure of the gellan hydrogel. In the current review, an overview of gellan gum hydrogels and their properties will be presented as well as the mechanisms of ionotropic gelation or chemical crosslinking. Methods of producing gellan hydrogels and their possible applications related to improved release, bioavailability, and therapeutic activity were described.
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18
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Effect of Cross-Linking Cations on In Vitro Biocompatibility of Apple Pectin Gel Beads. Int J Mol Sci 2022; 23:ijms232314789. [PMID: 36499122 PMCID: PMC9741146 DOI: 10.3390/ijms232314789] [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: 10/30/2022] [Revised: 11/15/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
The study aimed to compare the in vitro biocompatibility of pectin gels formed by different cross-linking cations. Hydrogel beads named CaPG, ZnPG, FePG, and AlPG were prepared from 4% solutions of apple pectin using ionotropic gelling with CaCl2, ZnCl2, FeCl3, and AlCl3, respectively. Cations influenced the gel strength of the wet gel beads in the following order (least strong) Ca2+ < Zn2+ < Fe3+~Al3+ (most strong). The swelling degree of the CaPG beads after 24 h of incubation in the RPMI-1640 medium was 104%, whereas the ZnPG, FePG, and AlPG beads swelled by 76, 108, and 134%, respectively. The strength of the pectin gel decreased significantly after incubation in the RPMI-1640 medium for 24 h, regardless of the cross-linking cation, although the FePG beads remained the strongest. All the pectin beads adsorbed serum proteins to a low degree, however the serum protein adsorption by the ZnPG and FePG beads (1.46 ± 0.87 and 1.35 ± 0.19 µg/mm2) was more than the CaPG and AlPG beads (0.31 ± 0.36 and 0.44 ± 0.25 µg/mm2). All the pectin beads reduced the production of TNF-α and IL-10 by hPBMCs in response to LPS stimulation. The IL-1β response of cells to LPS was significantly reduced by the CaPG, ZnPG, and FePG beads, whereas the AlPG beads enhanced it twofold. The CaPG, FePG, and AlPG beads had no cytotoxicity. The viability of hPBMCs and human fibroblasts incubated with ZnPG beads was 5.3 and 7.2%, respectively. Thus, the use of different cross-linking cations changed the properties of the pectin gel, which is important for biocompatibility.
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19
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Hypoglycemic Activity of Self-Assembled Gellan Gum-Soybean Isolate Composite Hydrogel-Embedded Active Substance-Saponin. Foods 2022; 11:foods11223729. [PMID: 36429321 PMCID: PMC9689565 DOI: 10.3390/foods11223729] [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: 10/10/2022] [Revised: 11/14/2022] [Accepted: 11/18/2022] [Indexed: 11/22/2022] Open
Abstract
In order to avoid hemolysis caused by direct dietary of kidney tea saponin, complex gels based on gellan gum (GG) and soybean isolate protein (SPI) loaded with saponin were created in the present study by using a self-assembly technique. Studies were conducted on the rheological characteristics, encapsulation effectiveness, molecular structure, microstructure, and hypoglycemic activity of GG/SPI-saponin gels. Increasing the concentration of SPI helped to enhance the strength and energy storage modulus (G') of the gels, and the incorporation of high acylated saponin allowed the whole gel to undergo sol-gel interconversion. The encapsulation efficiency showed that GG/SPI-saponin was 84.52 ± 0.78% for saponin. Microstructural analysis results suggested that GG and SPI were bound by hydrogen bonds. The in vitro digestion results also indicated that saponin could be well retained in the stomach and subsequently released slowly in the intestine. In addition, the in vitro hypoglycemic activity results showed that the IC50 of encapsulated saponin against α-glucosidase and α-amylase were at 2.4790 mg/mL and 1.4317 mg/mL, respectively, and may be used to replace acarbose for hypoglycemia.
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20
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Rivera-Hernández L, Chavarría-Hernández N, Tecante A, López-Ortega MA, López Cuellar MDR, Rodríguez-Hernández AI. Mixed gels based on low acyl gellan and citrus pectin: A linear viscoelastic analysis. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Silver nanoparticles-based hydrogels synthetized by ionizing radiation for cleaning of tangible cultural heritage surfaces. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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22
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Garkal A, Bangar P, Rajput A, Pingale P, Dhas N, Sami A, Mathur K, Joshi S, Dhuri S, Parikh D, Mutalik S, Mehta T. Long-acting formulation strategies for protein and peptide delivery in the treatment of PSED. J Control Release 2022; 350:538-568. [PMID: 36030993 DOI: 10.1016/j.jconrel.2022.08.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/18/2022] [Accepted: 08/21/2022] [Indexed: 12/17/2022]
Abstract
The invigoration of protein and peptides in serious eye disease includes age-related macular degeneration, choroidal neovascularization, retinal neovascularization, and diabetic retinopathy. The transportation of macromolecules like aptamers, recombinant proteins, and monoclonal antibodies to the posterior segment of the eye is challenging due to their high molecular weight, rapid degradation, and low solubility. Moreover, it requires frequent administration for prolonged therapy. The long-acting novel formulation strategies are helpful to overcome these issues and provide superior therapy. It avoids frequent administration, improves stability, high retention time, and avoids burst release. This review briefly enlightens posterior segments of eye diseases with their diagnosis techniques and treatments. This article mainly focuses on recent advanced approaches like intravitreal implants and injectables, electrospun injectables, 3D printed drug-loaded implants, nanostructure thin-film polymer devices encapsulated cell technology-based intravitreal implants, injectable and depots, microneedles, PDS with ranibizumab, polymer nanoparticles, inorganic nanoparticles, hydrogels and microparticles for delivering macromolecules in the eye for intended therapy. Furthermore, novel techniques like aptamer, small Interference RNA, and stem cell therapy were also discussed. It is predicted that these systems will make revolutionary changes in treating posterior segment eye diseases in future.
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Affiliation(s)
- Atul Garkal
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Priyanka Bangar
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Amarjitsing Rajput
- Department of Pharmaceutics, Bharti Vidyapeeth Deemed University, Poona College of Pharmacy, Pune, Maharashtra 411038, India
| | - Prashant Pingale
- Department of Pharmaceutics, GES's Sir Dr. M.S. Gosavi College of Pharmaceutical Education and Research, Nashik, Maharashtra 422005, India
| | - Namdev Dhas
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka 576104, India
| | - Anam Sami
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Khushboo Mathur
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Shubham Joshi
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Sonika Dhuri
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Dhaivat Parikh
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka 576104, India
| | - Tejal Mehta
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India.
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23
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Gellan Gum Is a Suitable Biomaterial for Manual and Bioprinted Setup of Long-Term Stable, Functional 3D-Adipose Tissue Models. Gels 2022; 8:gels8070420. [PMID: 35877505 PMCID: PMC9315477 DOI: 10.3390/gels8070420] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/01/2022] [Accepted: 07/03/2022] [Indexed: 02/06/2023] Open
Abstract
Due to its wide-ranging endocrine functions, adipose tissue influences the whole body’s metabolism. Engineering long-term stable and functional human adipose tissue is still challenging due to the limited availability of suitable biomaterials and adequate cell maturation. We used gellan gum (GG) to create manual and bioprinted adipose tissue models because of its similarities to the native extracellular matrix and its easily tunable properties. Gellan gum itself was neither toxic nor monocyte activating. The resulting hydrogels exhibited suitable viscoelastic properties for soft tissues and were stable for 98 days in vitro. Encapsulated human primary adipose-derived stem cells (ASCs) were adipogenically differentiated for 14 days and matured for an additional 84 days. Live-dead staining showed that encapsulated cells stayed viable until day 98, while intracellular lipid staining showed an increase over time and a differentiation rate of 76% between days 28 and 56. After 4 weeks of culture, adipocytes had a univacuolar morphology, expressed perilipin A, and secreted up to 73% more leptin. After bioprinting establishment, we demonstrated that the cells in printed hydrogels had high cell viability and exhibited an adipogenic phenotype and function. In summary, GG-based adipose tissue models show long-term stability and allow ASCs maturation into functional, univacuolar adipocytes.
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Pedreiro LN, Boni FI, Cury BSF, Ferreira NN, Gremião MPD. Solid dispersions based on chitosan/hypromellose phthalate blends to modulate pharmaceutical properties of zidovudine. Pharm Dev Technol 2022; 27:615-624. [PMID: 35786299 DOI: 10.1080/10837450.2022.2097258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Zidovudine (AZT) has been widely used alone or in combination with other antiretroviral drugs for the treatment of human immunodeficiency virus. Its erratic oral bioavailability necessitates frequent administration of high doses, resulting in severe side effects. In this study, the design of mucoadhesive solid dispersions (SDs) based on chitosan (CS) and hypromellose phthalate (HP) was rationalized as a potential approach to modulate AZT physicochemical and pharmaceutical properties. SDs were prepared at different drug:polymer ratios, using an eco-friendly technique, which avoids the use of organic solvents. Particles with diameter from 56 to 73 µm and negative zeta potentials (-27 to -32 mV) were successfully prepared, achieving high drug content. Infrared spectroscopy revealed interactions between polymers but no interactions between the polymers and AZT. Calorimetry and X-ray diffraction analyses showed that AZT was amorphized into the SDs. The mucoadhesive properties of SDs were evidenced, and the control of AZT release rates from the matrix was achieved, mainly in acid media. The simple, low-cost and scalable technology proposed for production of SDs as a carrier platform for AZT is an innovative approach, and it proved to be a feasible strategy for modulation the physico-chemical, mucoadhesive and release properties of the drug.
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Affiliation(s)
- Liliane Neves Pedreiro
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Road Araraquara-Jaú, Km 01, 14801-902, Araraquara, São Paulo, Brazil
| | - Fernanda Isadora Boni
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Road Araraquara-Jaú, Km 01, 14801-902, Araraquara, São Paulo, Brazil
| | - Beatriz Stringhetti Ferreira Cury
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Road Araraquara-Jaú, Km 01, 14801-902, Araraquara, São Paulo, Brazil
| | - Natália Noronha Ferreira
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Road Araraquara-Jaú, Km 01, 14801-902, Araraquara, São Paulo, Brazil
| | - Maria Palmira Daflon Gremião
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Road Araraquara-Jaú, Km 01, 14801-902, Araraquara, São Paulo, Brazil
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25
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Compound hydrogels derived from gelatin and gellan gum regulates the release of anthocyanins in simulated digestion. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107487] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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26
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Composite callus culture pectin/alginate hydrogel matrices stable in the gastrointestinal environment: physicochemical properties, morphology and swelling behavior. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03042-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Natural polysaccharides and proteins applied to the development of gastroresistant multiparticulate systems for anti-inflammatory drug delivery – A systematic review. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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28
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Jana S, Pramanik R, Nayak AK, Sen KK. Gellan gum (GG)-based IPN microbeads for sustained drug release. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Misra S, Pandey P, Dalbhagat CG, Mishra HN. Emerging Technologies and Coating Materials for Improved Probiotication in Food Products: a Review. FOOD BIOPROCESS TECH 2022; 15:998-1039. [PMID: 35126801 PMCID: PMC8800850 DOI: 10.1007/s11947-021-02753-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 12/16/2021] [Indexed: 12/29/2022]
Abstract
From the past few decades, consumers' demand for probiotic-based functional and healthy food products is rising exponentially. Encapsulation is an emerging field to protect probiotics from unfavorable conditions and to deliver probiotics at the target place while maintaining the controlled release in the colon. Probiotics have been encapsulated for decades using different encapsulation methods to maintain their viability during processing, storage, and digestion and to give health benefits. This review focuses on novel microencapsulation techniques of probiotic bacteria including vacuum drying, microwave drying, spray freeze drying, fluidized bed drying, impinging aerosol technology, hybridization system, ultrasonication with their recent advancement, and characteristics of the commonly used polymers have been briefly discussed. Other than novel techniques, characterization of microcapsules along with their mechanism of release and stability have shown great interest recently in developing novel functional food products with synergetic effects, especially in COVID-19 outbreak. A thorough discussion of novel processing technologies and applications in food products with the incorporation of recent research works is the novelty and highlight of this review paper.
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Affiliation(s)
- Sourav Misra
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721 302 India
| | - Pooja Pandey
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721 302 India
| | - Chandrakant Genu Dalbhagat
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721 302 India
| | - Hari Niwas Mishra
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721 302 India
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Rheological behaviors and texture properties of semi-interpenetrating networks of hydroxypropyl methylcellulose and gellan. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107097] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Alfatama M, Lim LY, Wong TW. Chitosan oleate-tripolyphosphate complex-coated calcium alginate bead: Physicochemical aspects of concurrent core-coat formation. Carbohydr Polym 2021; 273:118487. [PMID: 34560934 DOI: 10.1016/j.carbpol.2021.118487] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/25/2021] [Accepted: 07/22/2021] [Indexed: 01/17/2023]
Abstract
This study designed chitosan species-coated calcium alginate beads through concurrent core-coat formation. Chitosan oleate was synthesized by carbodiimide chemistry and characterized by 1H NMR and FTIR techniques. Chitosan or chitosan oleate was coated onto the forming alginate or alginate/tripolyphosphate core using vibratory nozzle extrusion-microencapsulation approach, followed by calcium crosslinking. Chlorpheniramine maleate served as a model water-soluble drug. The molecular characteristics, size, shape, morphology, swelling, erosion, water uptake, drug content and drug release profiles of beads were evaluated. Discrete spherical coated beads were obtained through minimizing successive bead adhesion through an interplay of nozzle vibrational frequency and polymeric solution flow rate. The tripolyphosphate ions in the core possessed higher diffusional kinetics than alginate and were better able to attract chitosan species onto bead surfaces to facilitate alginate-chitosan coacervation. Amphiphilic chitosan oleate formed smaller aggregates than chitosan. It interacted with greater ease with core alginate and tripolyphosphate. The gain in alginate/tripolyphosphate interaction with chitosan oleate at the core-coat interface enhanced bead robustness against swelling and water uptake with drug release consequently dependent on the loss of alginate-drug interaction.
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Affiliation(s)
- Mulham Alfatama
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Faculty of Pharmacy, Universiti Sultan Zainal Abidin, Besut Campus, 22200, Malaysia
| | - Lee Yong Lim
- Pharmacy, School of Allied Health, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
| | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Particle Design Research Group, Faculty of Pharmacy, Universiti Teknologi MARA Selangor, 42300 Puncak Alam, Selangor, Malaysia; Sino-Malaysia Molecular Oncology and Traditional Chinese Medicine Delivery Joint Research Centre, Medical College, Yangzhou University, 136, Jiangyang Middle Road, Yangzhou, Jiangsu Province, China.
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Rational design of nanocarriers based on gellan gum/retrograded starch exploiting polyelectrolyte complexation and ionic cross-linking processes: A potential technological platform for oral delivery of bevacizumab. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Modi D, Nirmal J, Warsi MH, Bhatia M, Hasan N, Kesharwani P, Jain GK. Formulation and development of tacrolimus-gellan gum nanoformulation for treatment of dry eye disease. Colloids Surf B Biointerfaces 2021; 211:112255. [PMID: 34942465 DOI: 10.1016/j.colsurfb.2021.112255] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 11/28/2022]
Abstract
The present study aimed at the development and evaluation of tacrolimus gellan gum nanoparticles (TGNPs) for the effective management of dry eye disease (DED) following topical application. TGNPs were developed by ionotropic gelation between gellan gum and aluminum chloride. Developed TGNPs were nanosized (274.46 ± 8.90 nm) with high % encapsulation efficiency (74.2 ± 2.4%) and loading capacity (36.14 ± 1.7%). The nanosize and spherical morphology of TGNPs was confirmed by transmission electron microscopy (TEM) and atomic force microscopy (AFM). Fourier transform infrared spectroscopy (FTIR) revealed no interaction between drug and GG. Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) confirms the conversion of crystalline tacrolimus to amorphous post encapsulation in the nanoparticle. TGNPs showed prolonged drug release throughout 12 h and higher pre-corneal retention compared to tacrolimus solution. HET-CAM studies, histopathological evaluation, and Draize test confirmed the safety of the formulation for ocular use. Further, the pharmacodynamic studies using experimental DED in rabbits showed that TGNPs are effective in treating symptoms of DED. In conclusion, topical delivery of TGNPs could hold potential for efficient management of DED.
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Affiliation(s)
- Deepika Modi
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, Haryana 125001, India
| | - Jayabalan Nirmal
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, BITS, Hyderabad 500078, India
| | - Musarrat Husain Warsi
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Taif, Al-Haweiah 21974, Saudi Arabia
| | - Meenakshi Bhatia
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, Haryana 125001, India.
| | - Nazeer Hasan
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
| | - Gaurav K Jain
- Department of Pharmaceutics, Delhi Pharmaceutical Science and Research University, New Delhi 110017, India.
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Samanta HS, Ray SK. Effect of pectin and attapulgite filler on swelling, network parameters and controlled release of diltiazem hydrochloride from polyacrylic copolymer gel. Int J Biol Macromol 2021; 190:978-988. [PMID: 34536479 DOI: 10.1016/j.ijbiomac.2021.09.066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 11/26/2022]
Abstract
Pectin grafted polyacrylic copolymer hydrogels were made by free radical crosslink copolymerization of acrylic acid (AA) and acrylamide (AM) in an aqueous solution of pectin. N'N-methylene bis acrylamide (MBA) was used as a crosslinker. During the polymerization reaction the attapulgite (APG) filler was also incorporated in situ into the network of the copolymer gel. Several filled hydrogels were prepared by varying the amount of pectin and APG filler. These hydrogels were characterized by FTIR, 13C NMR, XRD, TGA, SEM, mechanical properties, DMA, swelling, diffusion characteristics and network parameters. The release kinetics of a model drug diltiazem hydrochloride (DT) was studied with these hydrogels. The wt% of pectin, APG and MBA was optimized with a central composite design (CCD) model of response surface methodology (RSM) with equilibrium swelling ratio (ESR), drug adsorption (mg/100 mg gel) and drug release% in 16 h as response. Accordingly, the hydrogel prepared with 5:1 AA:AM molar ratio, 25 wt% monomer concentration, 1% each of initiator and MBA concentration, 18 wt% pectin and 2 wt% APG showed an optimized ESR of 17.75, drug loading of 27.58 and a drug release % of 92.5 in 16 h at a solution pH of 7.4.
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Affiliation(s)
- Himadri Sekhar Samanta
- Department of Polymer Science and Technology, University of Calcutta 92, A.P.C. Road, Kolkata 700009, India
| | - Samit Kumar Ray
- Department of Polymer Science and Technology, University of Calcutta 92, A.P.C. Road, Kolkata 700009, India.
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Design of mucoadhesive gellan gum and chitosan nanoparticles intended for colon-specific delivery of peptide drugs. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Li A, Khan IN, Khan IU, Yousaf AM, Shahzad Y. Gellan Gum-Based Bilayer Mucoadhesive Films Loaded with Moxifloxacin Hydrochloride and Clove Oil for Possible Treatment of Periodontitis. Drug Des Devel Ther 2021; 15:3937-3952. [PMID: 34556975 PMCID: PMC8453438 DOI: 10.2147/dddt.s328722] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/26/2021] [Indexed: 12/02/2022] Open
Abstract
Background/Objective Periodontitis is a widely spread oral infection and various antibiotics are utilized for its treatment, but high oral doses and development of antibiotic resistance limit their use. This study was aimed at development of natural polymer-based mucoadhesive bilayer films loaded with moxifloxacin hydrochloride (Mox) and clove essential oil (CEO) to potentially combat bacterial infection associated with periodontitis. Methods Films were synthesized by double solvent casting technique having an antibiotic in the gellan gum-based primary layer with clove oil in a hydroxyethyl cellulose-based secondary layer. Results Prepared films were transparent, flexible, and showed high antibacterial response against both gram-positive and gram-negative bacteria. The films showed excellent pharmaceutical attributes in terms of drug content, folding endurance, swelling index, and mucoadhesive strength. Solid state characterization of formulation showed successful incorporation of drug and oil in separate layers of hydrogel structure. An in-vitro release study showed an initial burst release of drug followed by sustained release for up to 48 hours. Conclusion The prepared mucoadhesive bilayer buccal films could be used as a potential therapeutic option for the management of periodontitis.
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Affiliation(s)
- Aiqin Li
- Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, People's Republic of China
| | - Ifrah Nabi Khan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ikram Ullah Khan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | | | - Yasser Shahzad
- Department of Pharmacy, COMSATS University Islamabad, Lahore, Pakistan
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Gyunter EA, Popeiko OV. Gel-Forming Properties of Pectins from Callus Culture of Lemna minor. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03483-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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de Oliveira AC, de Lima GR, Klein RS, Souza PR, Vilsinski BH, Garcia FP, Nakamura CV, Martins AF. Thermo-and pH-responsive chitosan/gellan gum hydrogels incorporated with the β-cyclodextrin/curcumin inclusion complex for efficient curcumin delivery. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104955] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Mohan P, Kesavan K. Cationic Polyelectrolyte Nanocapsules of Moxifloxacin for Microbial Keratitis Therapy: Development, Characterization, and Pharmacodynamic Study. AAPS PharmSciTech 2021; 22:195. [PMID: 34184117 DOI: 10.1208/s12249-021-02039-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/06/2021] [Indexed: 11/30/2022] Open
Abstract
Microbial keratitis (MK) is a vision-threatening disease and the fourth leading cause of blindness worldwide. In this work, we aim to develop moxifloxacin (MXN)-loaded chitosan-based cationic mucoadhesive polyelectrolyte nanocapsules (PENs) for the effective treatment of MK. PENs were formulated by polyelectrolyte complex coacervation method and characterized for their particle size, surface charge, morphology, mucoadhesive property, in-vitro and ex-vivo release, ocular tolerance, and antimicrobial efficacy studies. The pharmacodynamic study was conducted on rabbit eye model of induced keratitis and it is compared with marketed formulation (MF). Developed PENs showed the size range from 230.7 ± 0.64 to 249.0 ± 0.49 nm and positive surface charge, spherical shape along with appropriate physico-chemical parameters. Both in-vitro and ex-vivo examination concludes that PENs having more efficiency in sustained release of MXN compared to MF. Ocular irritation studies demonstrated that no corneal damage or ocular irritation. The in-vivo study proved that the anti-bacterial efficacy of PENs was improved when compared with MF. These results suggested that PENs are a feasible choice for MK therapy because of their ability to enhance ocular retention of loaded MXN through interaction with the corneal surface of the mucous membrane.
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Antimicrobial and cytocompatible chitosan, N,N,N-trimethyl chitosan, and tanfloc-based polyelectrolyte multilayers on gellan gum films. Int J Biol Macromol 2021; 183:727-742. [PMID: 33915214 DOI: 10.1016/j.ijbiomac.2021.04.138] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 04/06/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023]
Abstract
In this work free-standing gels formed from gellan gum (GG) by solvent evaporation are coated with polysaccharide-based polyelectrolyte multilayers, using the layer-by-layer approach. We show that PEMs composed of iota-carrageenan (CAR) and three different natural polycationic polymers have composition-dependent antimicrobial properties, and support mammalian cell growth. Cationic polymers (chitosan (CHT), N,N,N-trimethyl chitosan (TMC), and an amino-functionalized tannin derivative (TN)) are individually assembled with the anionic iota-carrageenan (CAR) at pH 5.0. PEMs (15-layers) are alternately deposited on the GG film. The GG film and coated GG films with PEMs are characterized by infrared spectroscopy with attenuated total reflectance (FTIR-ATR), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and water contact angle (WCA) measurements. The TN/CAR coating provides a hydrophobic (WCA = 127°) and rough surface (Rq = 243 ± 48 nm), and the TMC/CAR coating provides a hydrophilic surface (WCA = 78°) with the lowest roughness (Rq = 97 ± 12 nm). Polymer coatings promote stability and durability of the GG film, and introduce antimicrobial properties against Gram-negative (Salmonella enteritidis) and Gram-positive (Staphylococcus aureus) bacteria. The films are also cytocompatible. Therefore, they have properties that can be further developed as wound dressings and food packaging.
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Ionic Cross-Linking as a Strategy to Modulate the Properties of Oral Mucoadhesive Microparticles Based on Polysaccharide Blends. Pharmaceutics 2021; 13:pharmaceutics13030407. [PMID: 33808670 PMCID: PMC8035971 DOI: 10.3390/pharmaceutics13030407] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 01/05/2023] Open
Abstract
Polymer blends of gellan gum (GG)/retrograded starch(RS) and GG/pectin (P) were cross-linked with calcium, aluminum, or both to prepare mucoadhesive microparticles as oral carriers of drugs or nano systems. Cross-linking with different cations promoted different effects on each blend, which can potentially be explored as novel strategies for modulating physical-chemical and mucoadhesive properties of microparticles. Particles exhibited spherical shapes, diameters from 888 to 1764 µm, and span index values lower than 0.5. Blends of GG:P cross-linked with aluminum resulted in smaller particles than those obtained by calcium cross-linking. GG:RS particles exhibited larger sizes, but cross-linking this blend with calcium promoted diameter reduction. The uptake rates of acid medium were lower than phosphate buffer (pH 6.8), especially GG:RS based particles cross-linked with calcium. On the other hand, particles based on GG:P cross-linked with calcium absorbed the highest volume of acid medium. The percentage of systems erosion was higher in acid medium, but apparently occurred in the outermost layer of the particle. In pH 6.8, erosion was lower, but caused expressive swelling of the matrixes. Calcium cross-linking of GG:RS promoted a significantly reduction on enzymatic degradation at both pH 1.2 and 6.8, which is a promising feature that can provide drug protection against premature degradation in the stomach. In contrast, GG:P microparticles cross-linked with calcium suffered high degradation at both pH values, an advantageous feature for quickly releasing drugs at different sites of the gastrointestinal tract. The high mucoadhesive ability of the microparticles was evidenced at both pH values, and the Freundlich parameters indicated stronger particle-mucin interactions at pH 6.8.
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Ishwarya S P, R S, Nisha P. Advances and prospects in the food applications of pectin hydrogels. Crit Rev Food Sci Nutr 2021; 62:4393-4417. [PMID: 33511846 DOI: 10.1080/10408398.2021.1875394] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Pectin hydrogel is a soft hydrocolloid with multifaceted utilities in the food sector. Substantial knowledge acquired on the gelation mechanisms and structure-function relationship of pectin has led to interesting functions of pectin hydrogel. Food applications of pectin hydrogels can be categorized under four headings: food ingredients/additives, food packaging, bioactive delivery and health management. The cross-linked and tangly three-dimensional structure of pectin gel renders it an ideal choice of wall material for the encapsulation of biomolecules and living cells; as a fat replacer and texturizer. Likewise, pectin hydrogel is an effective satiety inducer due to its ability to swell under the simulated gastric and intestinal conditions without losing its gel structure. Coating or composites of pectin hydrogel with proteins and other polysaccharides augment its functionality as an encapsulant, satiety-inducer and food packaging material. Low-methoxyl pectin gel is an appropriate food ink for 3D printing applications due to its viscoelastic properties, adaptable microstructure and texture properties. This review aims at explaining all the applications of pectin hydrogels, as mentioned above. A comprehensive discussion is presented on the approaches by which pectin hydrogel can be transformed as a resourceful material by controlling its dimensions, state, and rheology. The final sections of this article emphasize the recent research trends in this discipline, such as the development of smart hydrogels, injectable gels, aerogels, xerogels and oleogels from pectin.
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Affiliation(s)
- Padma Ishwarya S
- Agro Processing and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram, Kerala, India
| | - Sandhya R
- Agro Processing and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram, Kerala, India
| | - P Nisha
- Agro Processing and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-NIIST Campus, Ghaziabad, Uttar Pradesh, India
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Chaves de Souza MP, de Mattos NH, Pedreiro LN, Boni FI, dos Santos Ramos MA, Bauab TM, Gremião MPD, Chorilli M. Design of Mucoadhesive Nanostructured Polyelectrolyte Complexes Based on Chitosan and Hypromellose Phthalate for Metronidazole Delivery Intended to the Treatment of Helicobacter pylori Infections. Pharmaceutics 2020; 12:E1211. [PMID: 33327588 PMCID: PMC7765050 DOI: 10.3390/pharmaceutics12121211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/06/2020] [Accepted: 12/10/2020] [Indexed: 01/13/2023] Open
Abstract
Metronidazole (MT) is an important drug available for Helicobacter pylori infection treatment. However, in the past few years, this drug has presented effective reduction for infection control, one of the most important reasons is attributed to the reduction of retention time in the stomach environment. Mucoadhesive nanostructured polyelectrolyte complexes (nano PECs) based on chitosan (CS) and hypromellose phthalate (HP) were rationally developed using a full factorial design (21 × 21 × 31), for the incorporation of MT based on the enhancement of the antimicrobial potential against active Helicobacter pylori, in the stomach. Different mass ratios of CS:HP (w/w) were tested, reaching the most promising ratios of 1:0.1, 1:0.5, and 1:1, and two methods of polymers addition (pouring-I and drip-II) were also evaluated. From method I, the obtained particles presented a diameter in the range of 811-1293 nm (Z-average) and a polydispersity index (PDI) between 0.47 and 0.88. By method II, there was a significant reduction in diameter and PDI to 553-739 nm and 0.23 at 0.34, respectively. The drug incorporation also resulted in a reduction in the diameter and PDI of the nano PECs. All samples showed positive zeta potential, about 20 mV, and a high percentage of MT incorporation (±95%). The method factor presented a greater influence on the nano PECs characteristics. Interactions in the system constituents were indicated by the FTIR data. Nano PECs mucoadhesiveness was observed and the composition and charge density were responsible for this phenomenon. MT dissolution evaluation showed the similarity of the dissolution profiles of free and loaded MT, in which almost 100% of the drug was in the simulated gastric medium in 120 min of testing. The in vitro antimicrobial potential against H. pylori of loaded nano PECs were measured and the minimum inhibitory concentration observed for free MT was >2000 µg/mL, while for the incorporated MT lower values were observed, showing an increase in the encapsulated MT activity.
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Affiliation(s)
- Maurício Palmeira Chaves de Souza
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
| | - Nathalia Helena de Mattos
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
| | - Liliane Neves Pedreiro
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
| | - Fernanda Isadora Boni
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
| | - Matheus Aparecido dos Santos Ramos
- Department of Biological Sciences, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), 14.800-903 São Paulo, Brazil; (M.A.d.S.R.); (T.M.B.)
| | - Taís Maria Bauab
- Department of Biological Sciences, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), 14.800-903 São Paulo, Brazil; (M.A.d.S.R.); (T.M.B.)
| | - Maria Palmira Daflon Gremião
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
| | - Marlus Chorilli
- Department of Drug and Medicines, School of Pharmaceutical Sciences, Campus Araraquara, São Paulo State University (UNESP), Araraquara-SP, Road Araraquara-Jaú, Km 01, 14.800-903 São Paulo, Brazil; (N.H.d.M.); (L.N.P.); (F.I.B.)
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Dey M, Ghosh B, Giri TK. Enhanced intestinal stability and pH sensitive release of quercetin in GIT through gellan gum hydrogels. Colloids Surf B Biointerfaces 2020; 196:111341. [DOI: 10.1016/j.colsurfb.2020.111341] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/16/2020] [Accepted: 08/13/2020] [Indexed: 11/17/2022]
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45
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Quality-by-design approach for development of sustained-release multiple-unit beads of lamotrigine based on ion-cross-linked composite of pectin and okra mucilage: An in vitro appraisal. Int J Biol Macromol 2020; 163:842-853. [DOI: 10.1016/j.ijbiomac.2020.07.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/21/2020] [Accepted: 07/04/2020] [Indexed: 11/17/2022]
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Mahmood H, Khan IU, Asif M, Khan RU, Asghar S, Khalid I, Khalid SH, Irfan M, Rehman F, Shahzad Y, Yousaf AM, Younus A, Niazi ZR, Asim M. In vitro and in vivo evaluation of gellan gum hydrogel films: Assessing the co impact of therapeutic oils and ofloxacin on wound healing. Int J Biol Macromol 2020; 166:483-495. [PMID: 33130262 DOI: 10.1016/j.ijbiomac.2020.10.206] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/23/2020] [Accepted: 10/26/2020] [Indexed: 12/23/2022]
Abstract
Herein, we report co-encapsulation of ofloxacin with tea tree or lavender oil in gellan gum based hydrogel films by solvent casting ionotropic gelation method as wound dressing. Prepared films were transparent, flexible, and displayed antioxidant activity with superior antibacterial response against common inhabitants of wound i.e. gram positive and negative bacteria. Solid-state characterization of optimized formulation (OL3 and OT3) revealed successful incorporation of drug and oils in hydrogel structure without any noticeable interaction. In vitro release studies showed an initial burst release but remaining portion released in controlled manner over 48 h from the films and furthermore, presence of oils did not affected the ofloxacin release. Optimized formulation containing ofloxacin and 25% w/w lavender/tea tree oil showed 98% wound contraction in rats after ten days of treatment. Histological images displayed completely healed epidermis. Taken together, our prepared hydrogel films demonstrated favorable features with appreciable antibacterial, wound healing activity and could be useful for the treatment of full thickness wounds.
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Affiliation(s)
- Huma Mahmood
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ikram Ullah Khan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan.
| | - Muhammad Asif
- Department of Pharmacology, Faculty of Pharmacy, The Islamia University of Bahawalpur, Pakistan
| | - Rizwan Ullah Khan
- Department of Pathology, Prince Faisal Cancer Centre, Buraydah Al Qassim, Saudi Arabia
| | - Sajid Asghar
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ikrima Khalid
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Syed Haroon Khalid
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Irfan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Fauzia Rehman
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan; School of Pharmacy, The University of Faisalabad, Faisalabad, Pakistan
| | - Yasser Shahzad
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Abid Mehmood Yousaf
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Adnan Younus
- Global Medical Solutions Hospital Management LLC, Abu Dhabi, United Arab Emirates
| | - Zahid Rasul Niazi
- Department of Pharmacology, Faculty of Pharmacy, Gomal University, Dera Ismail Khan, KPK, Pakistan
| | - Muhammad Asim
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
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Microbial exopolysaccharide-based nano-carriers with unique multi-functionalities for biomedical sectors. Biologia (Bratisl) 2020. [DOI: 10.2478/s11756-020-00588-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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48
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Pectin–glycerol gel beads: Preparation, characterization and swelling behaviour. Carbohydr Polym 2020; 238:116166. [DOI: 10.1016/j.carbpol.2020.116166] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 03/11/2020] [Accepted: 03/11/2020] [Indexed: 12/20/2022]
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49
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Qi X, Su T, Zhang M, Tong X, Pan W, Zeng Q, Shen J. Sustainable, flexible and biocompatible hydrogels derived from microbial polysaccharides with tailorable structures for tissue engineering. Carbohydr Polym 2020; 237:116160. [DOI: 10.1016/j.carbpol.2020.116160] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 02/27/2020] [Accepted: 03/10/2020] [Indexed: 12/19/2022]
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50
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Physicochemical and rheological properties of pomelo albedo pectin and its interaction with konjac glucomannan. Int J Biol Macromol 2020; 151:1205-1212. [DOI: 10.1016/j.ijbiomac.2019.10.167] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/09/2019] [Accepted: 10/21/2019] [Indexed: 01/28/2023]
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