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Huang Y, Kang H, Wang Y, Liu K, Wei W, Dai H. One Stone Three Birds: Silver Sulfadiazine Modulates the Stability and Dynamics of Hydrogels for Infected Wound Healing. Adv Healthc Mater 2024; 13:e2400242. [PMID: 38513263 DOI: 10.1002/adhm.202400242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Dynamic covalent bond hydrogels have demonstrated significant application potential in biomedical fields for their dynamic reversibility. However, the contradiction between the stability and dynamics of the hydrogel restricts its application. Here, utilizing silver sulfadiazine (AgSD) as a catalyst, hyaluronic acid-based hydrogels are constructed through imine bond crosslinking and incorporated disulfide bonds within the same crosslinking chain. It is found that AgSD can accelerate the formation of imine crosslinking bonds to improve the stability of hydrogels, thereby shortening the gelation time by ≈36.9 times, enhancing compression strength and adhesion strength by ≈2.4 times and 1.7 times, respectively, while inhibiting swelling and degradation rates to ≈2.1 times and 3.7 times. Besides, AgSD can coordinate with disulfide bonds to enhance the dynamics of hydrogel, enhancing the hydrogel self-healing efficiency by ≈2.3 times while reducing the relaxation time by ≈25.1 times. Significantly, AgSD imparts remarkable antibacterial properties to the hydrogel, thereby effectively facilitating the healing of bacterial infected wounds. Consequently, introducing AgSD enables hydrogels to possess concurrent stability, dynamics, and antibacterial properties. This strategy of regulating hydrogels by introducing AgSD provides a valuable reference for the application of dynamic covalent bonds.
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Affiliation(s)
- Ye Huang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Haifei Kang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Yue Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Kun Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Wenying Wei
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
| | - Honglian Dai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, China
- National Energy Key Laboratory for New Hydrogen-ammonia Energy Technologies, Foshan Xianhu Laboratory, Foshan, 528200, China
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Manjubaashini N, Bargavi P, Thomas NG, Krishnan N, Balakumar S. Chitosan bioactive glass scaffolds for in vivo subcutaneous implantation, toxicity assessment, and diabetic wound healing upon animal model. Int J Biol Macromol 2024; 256:128291. [PMID: 38029901 DOI: 10.1016/j.ijbiomac.2023.128291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/12/2023] [Accepted: 11/18/2023] [Indexed: 12/01/2023]
Abstract
This study aims to develop chitosan-bioactive glass (BG) scaffolds for diabetic wound healing, toxicity valuation, and subcutaneous implantation in animals for biocompatibility assessment. The scaffolds were prepared by lyophilization technique. In specific BG without sodium (Na), composited with chitosan for better biological activities. The equipped scaffolds were studied for their physiochemical, biological, in vitro and in vivo performances. The chitosan and chitosan-BG (Na free) scaffolds show reliable biocompatibility, cytocompatibility, anti-oxidant, and tissue regeneration. The biocompatibility, toxicity assessments, and diabetic skin wound healing experiments were examined through in vivo studies using Sprague Dawley rats. The extracted tissue samples were analyzed using hematoxylin-eosin- (H and E) and Masson's trichrome staining. Further, tissue excised after scaffold implantation declared non-toxic, non-allergic, and anti-inflammatory nature of chitosan scaffolds. Moreover, the total ribonucleic acid (RNA) expression levels were measured using reverse transcription-polymerase chain reaction (RT-PCR) for the scaffolds against vascular endothelial growth factor (VEGF), and collagen type one (Col-1) primers. Admirably, the scaffolds achieved the best level of skin wound healing via tissue regeneration by increasing epithetical cell formation and collagen deposition. Thus, the biocompatibility, non-toxicity, anti-inflammatory, and wound healing efficiency proved that the chitosan-BG (Na free) scaffold can be readily substantial for wound healing.
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Affiliation(s)
- N Manjubaashini
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai 600025, India
| | - P Bargavi
- Department of Oral Pathology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, India
| | - Nebu George Thomas
- Department of Periodontics, Pushpagiri Research Centre, Pushpagiri Institute of Medical Sciences and Research Centre, Tiruvalla 689101, India
| | - Nikhil Krishnan
- Tissue Engineering Lab, Pushpagiri Research Centre, Pushpagiri Institute of Medical Sciences and Research Centre, Tiruvalla 689101, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai 600025, India.
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3
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Li H, Dai F, Liu H, Tao Q, Hu J, Zhang Y, Xiao Z, Rupenthal ID, Li H, Yang F, Li W, Lin H, Hou D. Physicochemical properties and micro-interaction between micro-nanoparticles and anterior corneal multilayer biological interface film for improving drug delivery efficacy: the transformation of tear film turnover mode. Drug Deliv 2023; 30:2184312. [PMID: 36866574 PMCID: PMC9987732 DOI: 10.1080/10717544.2023.2184312] [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: 03/04/2023] Open
Abstract
Recently, various novel drug delivery systems have been developed to overcome ocular barriers in order to improve drug efficacy. We have previously reported that montmorillonite (MT) microspheres (MPs) and solid lipid nanoparticles (SLNs) loaded with the anti-glaucoma drug betaxolol hydrochloride (BHC) exhibited sustained drug release and thus intraocular pressure (IOP) lowering effects. Here, we investigated the effect of physicochemical particle parameters on the micro-interactions with tear film mucins and corneal epithelial cells. Results showed that the MT-BHC SLNs and MT-BHC MPs eye drops significantly prolonged the precorneal retention time due to their higher viscosity and lower surface tension and contact angle compared with the BHC solution, with MT-BHC MPs exhibiting the longest retention due to their stronger hydrophobic surface. The cumulative release of MT-BHC SLNs and MT-BHC MPs was up to 87.78% and 80.43% after 12 h, respectively. Tear elimination pharmacokinetics study further confirmed that the prolonged precorneal retention time of the formulations was due to the micro-interaction between the positively charged formulations and the negatively charged tear film mucins. Moreover, the area under the IOP reduction curve (AUC) of MT-BHC SLNs and MT-BHC MPs was 1.4 and 2.5 times that of the BHC solution. Accordingly, the MT-BHC MPs also exhibit the most consistent and long-lasting IOP-lowering effect. Ocular irritation experiments showed no significant toxicity of either. Taken together, MT MPs may have the potential for more effective glaucoma treatment.
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Affiliation(s)
- Huamei Li
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Fuda Dai
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Hanyu Liu
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Qi Tao
- CAS Key Laboratory of Mineralogy and Metallogeny & Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guangzhou, P.R. China
| | - Jie Hu
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Yangrong Zhang
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Zhenping Xiao
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Ilva D Rupenthal
- Buchanan Ocular Therapeutics Unit, Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Huihui Li
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Fan Yang
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Wei Li
- Guangzhou Institute for Drug Control, Guangzhou, P.R. China
| | - Huaqing Lin
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Dongzhi Hou
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery Systems and Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
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Moreira VM, Leite JMDS, Medeiros KDA, Assis KMAD, Borges JC, Santana LMB, Moreira LMCDC, Alves LP, Oliveira TKBD, Silveira JWDSD, Silva DTCD, Damasceno BPGDL. Pentoxifylline/Chitosan Films on Wound Healing: In Vitro/In Vivo Evaluation. Pharmaceutics 2023; 15:pharmaceutics15041122. [PMID: 37111607 PMCID: PMC10143649 DOI: 10.3390/pharmaceutics15041122] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 04/05/2023] Open
Abstract
This study aimed to develop films of chitosan (CSF) associated with pentoxifylline (PTX) for healing cutaneous wounds. These films were prepared at two concentrations, F1 (2.0 mg/mL) and F2 (4.0 mg/mL), and the interactions between the materials, structural characteristics, in vitro release, and morphometric aspects of skin wounds in vivo were evaluated. The formation of the CSF film with acetic acid modifies the polymeric structure, and the PTX demonstrates interaction with the CSF, in a semi-crystalline structure, for all concentrations. The release for all films was proportional to the concentration, with two phases: a fast one of ≤2 h and a slow one of >2 h, releasing 82.72 and 88.46% of the drug after 72 h, being governed by the Fickian diffusion mechanism. The wounds of the mice demonstrate a reduction of up to 60% in the area on day 2 for F2 when compared to CSF, F1, and positive control, and this characteristic of faster healing speed for F2 continues until the ninth day with wound reduction of 85%, 82%, and 90% for CSF, F1, and F2, respectively. Therefore, the combination of CSF and PTX is effective in their formation and incorporation, demonstrating that a higher concentration of PTX accelerates skin-wound reduction.
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Affiliation(s)
- Vandiara Martins Moreira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Joandra Maísa da Silva Leite
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Kaline de Araújo Medeiros
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Karoll Moangella Andrade de Assis
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Joyce Cordeiro Borges
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Lucas Matheus Barreto Santana
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Lívia Maria Coelho de Carvalho Moreira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Larissa Pereira Alves
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | | | - João Walter de Souza da Silveira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Dayanne Tomaz Casimiro da Silva
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Bolívar Ponciano Goulart de Lima Damasceno
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
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5
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Khullar L, Harjai K, Chhibber S. Therapeutic and pro-healing potential of advanced wound dressings loaded with bioactive agents. Future Microbiol 2023; 18:43-63. [PMID: 36537228 DOI: 10.2217/fmb-2022-0162] [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] [Indexed: 12/24/2022] Open
Abstract
Chronic skin wound infections are inextricably linked with high mortality rates. With the rise in the aging population and the threat of diabetes, obesity and lifestyle-based diseases, the risk incurred from invasive wound pathogens has been ever escalating. Thus, more efficacious wound care management is necessary to cope with such morbid illnesses. A plethora of bioactive agents, such as antibiotics, phytochemicals, essential oils, phages among others, has been exploited to develop wound dressings, raising tremendous interest in their prospective use as wound care products. The present review critically focuses on the therapeutic implications of advanced wound dressings that have assisted in the expansion of regenerative medicine and also discusses the practical concerns that have limited their bench-to-market entry.
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Affiliation(s)
- Lavanya Khullar
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Kusum Harjai
- Department of Microbiology, Panjab University, Chandigarh, India
| | - Sanjay Chhibber
- Department of Microbiology, Panjab University, Chandigarh, India
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6
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Manilal A, Tadesse D, Sabu KR. Buruli Ulcer and Medical Geo-Microbiology. Infect Drug Resist 2022; 15:6811-6814. [PMID: 36458199 PMCID: PMC9707318 DOI: 10.2147/idr.s388005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/18/2022] [Indexed: 09/29/2023] Open
Abstract
Buruli ulcer is a chronic debilitating infectious disease caused by the pathogen Mycobacterium ulcerans, which can be cured if diagnosed and treated in an early stage. However, advanced cases need antibiotic treatment followed by surgical interventions. In this context, an extremely effective and less expensive treatment modality can be developed by means of an extended topical application of certain selected natural clay minerals, most of the time containing illite-smectite having some iron content. There is a scope for developing the speciality, medical geo-microbiology, which is truly a multidisciplinary one, for finding a cure for the severe and advanced cases of BU.
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Affiliation(s)
- Aseer Manilal
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Dagimawie Tadesse
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
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7
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Lee JY, Suh HN, Choi KY, Song CW, Hwang JH. Regenerative and anti‐inflammatory effect of a novel bentonite complex on burn wounds. Vet Med Sci 2022; 8:2422-2433. [DOI: 10.1002/vms3.908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Ju Young Lee
- Animal Model Research Group Korea Institute of Toxicology (KIT) Jeongeup Republic of Korea
| | - Han Na Suh
- Animal Model Research Group Korea Institute of Toxicology (KIT) Jeongeup Republic of Korea
| | - Kwan Young Choi
- C&L Biotech Co. Ltd. Seoul Republic of Korea
- Quantum Bionics Anyang Republic of Korea
| | - Chang Woo Song
- Animal Model Research Group Korea Institute of Toxicology (KIT) Jeongeup Republic of Korea
- Division of Human and Environmental Toxicology University of Science & Technology (UST) Daejeon Republic of Korea
| | - Jeong Ho Hwang
- Animal Model Research Group Korea Institute of Toxicology (KIT) Jeongeup Republic of Korea
- Division of Human and Environmental Toxicology University of Science & Technology (UST) Daejeon Republic of Korea
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8
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The Application of Clay-Based Nanocomposite Hydrogels in Wound Healing. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-022-06959-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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9
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Amiri P, Kardan-Yamchi J, Kazemian H, Rezaei F. Antibacterial activity of chitosan-based nanohybrid membranes against drug-resistant bacterial isolates from burn wound infections. Arch Microbiol 2022; 204:303. [PMID: 35524073 DOI: 10.1007/s00203-022-02918-6] [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: 09/28/2021] [Revised: 04/09/2022] [Accepted: 04/13/2022] [Indexed: 01/28/2023]
Abstract
Biocompatible and non-toxic properties of chitosan make it a candidate with excellent application prospects in developing wound dressing conjugate compounds. Six different chitosan-based nanohybrid membranes were evaluated against multidrug-resistant bacterial isolates. Different combinations of chitosan, ciprofloxacin (CIP), biofunctionalized montmorillonite (MMT), and montmorillonite with sulfate chains (SMMT) were provided, and their antibacterial activity was assessed using the colony count method. Totally, 27 drug-resistant isolates, including 6x methicillin-resistant Staphylococcus aureus, 7 vancomycin-resistant Enterococcus faecalis, 4 Acinetobacter baumannii, and 10 Pseudomonas aeruginosa isolates were identified from burn wound infections. Chitosan and montmorillonite did not show significant antibacterial effect (p > 0.05), but chitosan/SMMT/CIP was the most effective nanocomposite (p < 0.01). Chitosan-based nanocomposites with ciprofloxacin could effectively reduce the susceptibility of drug-resistant bacterial isolates. Bacterial targeting using nanosystems provides an opportunity for effective antibiotic treatment by improving antibacterial efficacy.
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Affiliation(s)
- Pouya Amiri
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jalil Kardan-Yamchi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Kazemian
- Department of Microbiology, School of Medicine, Ilam University of Medical Sciences, Tehran, Iran
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Faranak Rezaei
- Department of Microbiology, School of Medicine, Lorestan University of Medical Sciences, Moallem Street, Khorramabad, Iran.
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Eshkol‐Yogev I, Tobias T, Keren A, Gilhar A, Gilboa E, Furer A, Ullmann Y, Zilberman M. Dual composite bioadhesives for wound closure applications: An in vitro and in vivo study. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Inbar Eshkol‐Yogev
- Department of Biomedical Engineering Tel‐Aviv University Tel‐Aviv Israel
| | - Tal Tobias
- Faculty of Medicine Technion – Israel Institute of Technology Haifa Israel
- Dept. of Plastic Surgery and the Burn Unit Rambam Health Care Campus Haifa Israel
| | - Aviad Keren
- Faculty of Medicine Technion – Israel Institute of Technology Haifa Israel
| | - Amos Gilhar
- Faculty of Medicine Technion – Israel Institute of Technology Haifa Israel
| | - Efrat Gilboa
- Department of Materials Science and Engineering Tel‐Aviv University Tel‐Aviv Israel
| | - Ariel Furer
- Medical Corps Israel Defense Forces Ramat Gan Israel
- Department of Military Medicine, Faculty of Medicine Hebrew University of Jerusalem Jerusalem Israel
| | - Yehuda Ullmann
- Faculty of Medicine Technion – Israel Institute of Technology Haifa Israel
- Dept. of Plastic Surgery and the Burn Unit Rambam Health Care Campus Haifa Israel
| | - Meital Zilberman
- Department of Biomedical Engineering Tel‐Aviv University Tel‐Aviv Israel
- Department of Materials Science and Engineering Tel‐Aviv University Tel‐Aviv Israel
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Danoy A, Durmaz K, Paoletti M, Vachez L, Roul A, Sohier J, Verrier B. Aqueous suspensions of Fuller's earth potentiate the adsorption capacities of paraoxon and improve skin decontamination properties. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127714. [PMID: 34896712 DOI: 10.1016/j.jhazmat.2021.127714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 11/02/2021] [Accepted: 11/03/2021] [Indexed: 06/14/2023]
Abstract
Fuller's earth (FE) is a phyllosilicate used as a powder for household or skin decontamination due to its adsorbent properties. Recent studies have shown that water suspensions exhibit similar adsorbent capacities. FE is heterogeneous due to its composition of elementary clay aggregates and heavy metal particles. Here, FE toxicity was assessed in vitro on skin cells and in vivo on Danio rerio embryos. Among the suspensions tested (5%, 9.1% and 15% w/w), only the highest one shows weak toxicity. Suspensions were tested for ex vivo dermal decontamination into pig ear skin and human abdominal skin using diffusion cells and paraoxon as organophosphorus contaminant. After 24 h of diffusion, no difference was observed in the paraoxon concentration in the receptor compartment whether the decontamination was carried out with FE in powder or in suspension form. In presence of FE suspensions, we observed the disappearance of paraoxon from the stratum corneum, the reservoir compartment, independently of the suspensions' concentration. We suggest that water potentiates the absorbing capacities of FE powder by intercalating between clay lamellas leading to the appearance of new adsorption zones and swelling. These data support the use of FE aqueous suspensions as a safe tool for organophosphorus skin decontamination.
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Affiliation(s)
- Alix Danoy
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France
| | - Kardelen Durmaz
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France.
| | - Margaux Paoletti
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France
| | - Laetitia Vachez
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France
| | - Annick Roul
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France; Pôle Santé, Direction Générale de la Sécurité Civile et de la Gestion des Crises, Ministère de l'Intérieur Paris, France
| | - Jérôme Sohier
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France
| | - Bernard Verrier
- UMR 5305: Laboratoire de Biologie Tissulaire et d'Ingénierie Thérapeutique, CNRS / Université Claude Bernard Lyon 1, Institut de Biologie et Chimie des Protéines, 7 passage du Vercors, 69367 Lyon Cedex 07, France
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12
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Silk fibroin nanofibers containing chondroitin sulfate and silver sulfadiazine for wound healing treatment. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Dayani L, Taheri A, Taymouri S, Najafi RB, Esmaeilian F. Preparation and in vitro evaluation of Vancomycin loaded Montmorillonite-Sodium Alginate topical gel for wound infection. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e21034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Hemmingsen LM, Škalko-Basnet N, Jøraholmen MW. The Expanded Role of Chitosan in Localized Antimicrobial Therapy. Mar Drugs 2021; 19:697. [PMID: 34940696 PMCID: PMC8704789 DOI: 10.3390/md19120697] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/04/2021] [Accepted: 12/06/2021] [Indexed: 12/19/2022] Open
Abstract
Chitosan is one of the most studied natural origin polymers for biomedical applications. This review focuses on the potential of chitosan in localized antimicrobial therapy to address the challenges of current rising antimicrobial resistance. Due to its mucoadhesiveness, chitosan offers the opportunity to prolong the formulation residence time at mucosal sites; its wound healing properties open possibilities to utilize chitosan as wound dressings with multitargeted activities and more. We provide an unbiased overview of the state-of-the-art chitosan-based delivery systems categorized by the administration site, addressing the site-related challenges and evaluating the representative formulations. Specifically, we offer an in-depth analysis of the current challenges of the chitosan-based novel delivery systems for skin and vaginal infections, including its formulations optimizations and limitations. A brief overview of chitosan's potential in treating ocular, buccal and dental, and nasal infections is included. We close the review with remarks on toxicity issues and remaining challenges and perspectives.
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Affiliation(s)
- Lisa Myrseth Hemmingsen
- Drug Transport and Delivery Research Group, Department of Pharmacy, UiT The Arctic University of Norway, Universitetsvegen 57, 9037 Tromsø, Norway;
| | | | - May Wenche Jøraholmen
- Drug Transport and Delivery Research Group, Department of Pharmacy, UiT The Arctic University of Norway, Universitetsvegen 57, 9037 Tromsø, Norway;
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15
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Bonferoni MC, Caramella C, Catenacci L, Conti B, Dorati R, Ferrari F, Genta I, Modena T, Perteghella S, Rossi S, Sandri G, Sorrenti M, Torre ML, Tripodo G. Biomaterials for Soft Tissue Repair and Regeneration: A Focus on Italian Research in the Field. Pharmaceutics 2021; 13:pharmaceutics13091341. [PMID: 34575417 PMCID: PMC8471088 DOI: 10.3390/pharmaceutics13091341] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 12/22/2022] Open
Abstract
Tissue repair and regeneration is an interdisciplinary field focusing on developing bioactive substitutes aimed at restoring pristine functions of damaged, diseased tissues. Biomaterials, intended as those materials compatible with living tissues after in vivo administration, play a pivotal role in this area and they have been successfully studied and developed for several years. Namely, the researches focus on improving bio-inert biomaterials that well integrate in living tissues with no or minimal tissue response, or bioactive materials that influence biological response, stimulating new tissue re-growth. This review aims to gather and introduce, in the context of Italian scientific community, cutting-edge advancements in biomaterial science applied to tissue repair and regeneration. After introducing tissue repair and regeneration, the review focuses on biodegradable and biocompatible biomaterials such as collagen, polysaccharides, silk proteins, polyesters and their derivatives, characterized by the most promising outputs in biomedical science. Attention is pointed out also to those biomaterials exerting peculiar activities, e.g., antibacterial. The regulatory frame applied to pre-clinical and early clinical studies is also outlined by distinguishing between Advanced Therapy Medicinal Products and Medical Devices.
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Affiliation(s)
| | | | | | - Bice Conti
- Correspondence: (M.C.B.); (B.C.); (F.F.)
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16
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Breitrück A, Weigel M, Hofrichter J, Sempert K, Kerkhoff C, Mohebali N, Mitzner S, Hain T, Kreikemeyer B. Smectite as a Preventive Oral Treatment to Reduce Clinical Symptoms of DSS Induced Colitis in Balb/c Mice. Int J Mol Sci 2021; 22:8699. [PMID: 34445403 PMCID: PMC8395406 DOI: 10.3390/ijms22168699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 11/16/2022] Open
Abstract
Natural smectites have demonstrated efficacy in the treatment of diarrhea. The present study evaluated the prophylactic effect of a diosmectite (FI5pp) on the clinical course, colon damage, expression of tight junction (TJ) proteins and the composition of the gut microbiota in dextran sulfate sodium (DSS) colitis. Diosmectite was administered daily to Balb/c mice from day 1 to 7 by oral gavage, followed by induction of acute DSS-colitis from day 8 to 14 ("Control", n = 6; "DSS", n = 10; "FI5pp + DSS", n = 11). Mice were sacrificed on day 21. Clinical symptoms (body weight, stool consistency and occult blood) were checked daily after colitis induction. Colon tissue was collected for histological damage scoring and quantification of tight junction protein expression. Stool samples were collected for microbiome analysis. Our study revealed prophylactic diosmectite treatment attenuated the severity of DSS colitis, which was apparent by significantly reduced weight loss (p = 0.022 vs. DSS), disease activity index (p = 0.0025 vs. DSS) and histological damage score (p = 0.023 vs. DSS). No significant effects were obtained for the expression of TJ proteins (claudin-2 and claudin-3) after diosmectite treatment. Characterization of the microbial composition by 16S amplicon NGS showed that diosmectite treatment modified the DSS-associated dysbiosis. Thus, diosmectites are promising candidates for therapeutic approaches to target intestinal inflammation and to identify possible underlying mechanisms of diosmectites in further studies.
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Affiliation(s)
- Anne Breitrück
- Extracorporeal Immunomodulation Unit (EXIM), Fraunhofer Institute for Cell Therapy and Immunology (IZI), 18057 Rostock, Germany; (J.H.); (S.M.)
- Division of Nephrology, Department of Internal Medicine, University Medicine Rostock, 18057 Rostock, Germany
| | - Markus Weigel
- Institute of Medical Microbiology, Justus Liebig University, 35392 Giessen, Germany;
| | - Jacqueline Hofrichter
- Extracorporeal Immunomodulation Unit (EXIM), Fraunhofer Institute for Cell Therapy and Immunology (IZI), 18057 Rostock, Germany; (J.H.); (S.M.)
| | - Kai Sempert
- Queensland Brain Institute, The University of Queensland, 4072 St Lucia, Brisbane 4000, Australia;
| | - Claus Kerkhoff
- Department of Human Sciences, School of Human Sciences, University of Osnabrück, 49076 Osnabrück, Germany;
| | - Nooshin Mohebali
- Institute of Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany;
| | - Steffen Mitzner
- Extracorporeal Immunomodulation Unit (EXIM), Fraunhofer Institute for Cell Therapy and Immunology (IZI), 18057 Rostock, Germany; (J.H.); (S.M.)
- Division of Nephrology, Department of Internal Medicine, University Medicine Rostock, 18057 Rostock, Germany
| | - Torsten Hain
- Institute of Medical Microbiology, Justus Liebig University, 35392 Giessen, Germany;
- German Center for Infection Research (DZIF), Partner Site Giessen-Marburg-Langen, 35392 Giessen, Germany
| | - Bernd Kreikemeyer
- Institute of Medical Microbiology, Virology and Hygiene, University Medicine Rostock, 18057 Rostock, Germany;
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17
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Can HK, Sevim H, Şahin Ö, Gürpınar ÖA. Experimental routes of cytotoxicity studies of nanocomposites based on the organo-bentonite clay and anhydride containing co- and terpolymers. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03776-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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19
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Gomes CF, Gomes JH, da Silva EF. Bacteriostatic and bactericidal clays: an overview. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:3507-3527. [PMID: 32607701 DOI: 10.1007/s10653-020-00628-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
This article aims to draw an overview on the actual knowledge on bacteriostatic and bactericidal natural clays. Particular emphasis is given to the role of clay itself, the action of reduced metals located either in the structure of clay minerals or external to them as constituents of associate minerals, and the definition of the mechanisms of action based on the achievements found in all available studies being carried out so far. The term bactericidal is herein used when a clay or a clay mineral kill the bacteria, whereas the term bacteriostatic is used when those minerals stop bacteria growth and replication. The second part of this article deals with experimental studies on bactericidal natural clay, experience and perspective for the preparation of bactericidal natural clays, interesting on the authors perspective and experience for the preparation of pathogens safe both therapeutic and cosmetic natural mud/natural peloid, and better yet of both therapeutic 87oooand cosmetic peloid itself and designed and engineered peloid. The authors also show how to convert non-antimicrobial clay into antimicrobial one, opening the way in the field of pelotherapy to the preparation of sanitary safe peloids addressed, for instance, to the treatment of rheumatic disabilities, as well as to the preparation of antimicrobial peloids and, in particular, of dermatological ointments, all able to fight infectious skin disorders.
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Affiliation(s)
- Celso Figueiredo Gomes
- GeoBioTec, Research Unit of FCT (Foundation for Science and Technology), University of Aveiro, 3800-193, Aveiro, Portugal
| | - Jorge Hamilton Gomes
- GeoBioTec, Research Unit of FCT (Foundation for Science and Technology), University of Aveiro, 3800-193, Aveiro, Portugal
| | - Eduardo Ferreira da Silva
- GeoBioTec, Research Unit of FCT (Foundation for Science and Technology), University of Aveiro, 3800-193, Aveiro, Portugal.
- Geosciences Department, University of Aveiro, 3800-193, Aveiro, Portugal.
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20
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García-Villén F, Faccendini A, Miele D, Ruggeri M, Sánchez-Espejo R, Borrego-Sánchez A, Cerezo P, Rossi S, Viseras C, Sandri G. Wound Healing Activity of Nanoclay/Spring Water Hydrogels. Pharmaceutics 2020; 12:E467. [PMID: 32455541 PMCID: PMC7284335 DOI: 10.3390/pharmaceutics12050467] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/18/2020] [Accepted: 05/18/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND hydrogels prepared with natural inorganic excipients and spring waters are commonly used in medical hydrology. Design of these clay-based formulations continues to be a field scarcely addressed. Safety and wound healing properties of different fibrous nanoclay/spring water hydrogels were addressed. METHODS in vitro biocompatibility, by means of MTT assay, and wound healing properties were studied. Confocal Laser Scanning Microscopy was used to study the morphology of fibroblasts during the wound healing process. RESULTS all the ingredients demonstrated to be biocompatible towards fibroblasts. Particularly, the formulation of nanoclays as hydrogels improved biocompatibility with respect to powder samples at the same concentration. Spring waters and hydrogels were even able to promote in vitro fibroblasts motility and, therefore, accelerate wound healing with respect to the control. CONCLUSION fibrous nanoclay/spring water hydrogels proved to be skin-biocompatible and to possess a high potential as wound healing formulations. Moreover, these results open new prospects for these ingredients to be used in new therapeutic or cosmetic formulations.
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Affiliation(s)
- Fátima García-Villén
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, 18071 s/n Granada, Spain; (P.C.); (C.V.)
| | - Angela Faccendini
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Taramelli Street 12, 27100 Pavia, Italy; (A.F.); (D.M.); (M.R.); (S.R.); (G.S.)
| | - Dalila Miele
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Taramelli Street 12, 27100 Pavia, Italy; (A.F.); (D.M.); (M.R.); (S.R.); (G.S.)
| | - Marco Ruggeri
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Taramelli Street 12, 27100 Pavia, Italy; (A.F.); (D.M.); (M.R.); (S.R.); (G.S.)
| | - Rita Sánchez-Espejo
- Andalusian Institute of Earth Sciences, CSIC-UGR, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain; (R.S.-E.); (A.B.-S.)
| | - Ana Borrego-Sánchez
- Andalusian Institute of Earth Sciences, CSIC-UGR, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain; (R.S.-E.); (A.B.-S.)
| | - Pilar Cerezo
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, 18071 s/n Granada, Spain; (P.C.); (C.V.)
| | - Silvia Rossi
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Taramelli Street 12, 27100 Pavia, Italy; (A.F.); (D.M.); (M.R.); (S.R.); (G.S.)
| | - César Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, 18071 s/n Granada, Spain; (P.C.); (C.V.)
- Andalusian Institute of Earth Sciences, CSIC-UGR, Avenida de las Palmeras 4, Armilla, 18100 Granada, Spain; (R.S.-E.); (A.B.-S.)
| | - Giuseppina Sandri
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Taramelli Street 12, 27100 Pavia, Italy; (A.F.); (D.M.); (M.R.); (S.R.); (G.S.)
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21
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Belmessaoud NB, Bouslah N, Haddadine N. Clay/(PEG-CMC) biocomposites as a novel delivery system for ibuprofen. JOURNAL OF POLYMER ENGINEERING 2020. [DOI: 10.1515/polyeng-2019-0390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractIn this study we report on the preparation and characterization of biocomposites based on a sodium montmorillonite-ibuprofen (MtIb) hybrid and neat poly(ethylene glycol), neat sodium carboxymethylcellulose or poly(ethylene glycol)-carboxymethylcellulose blend 50/50 biocomposites as drug carriers. Ib, a poorly soluble drug, was first intercalated into sodium Mt and then the resulting hybrid was compounded with the different polymeric matrices. Ib incorporation efficiency in Mt was determined by UV-visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction and thermal analysis. Both X-ray diffraction and differential scanning calorimetric studies revealed that the intercalation of Ib between the clay layers induced amorphization of the drug. Differential scanning calorimetry and Fourier transform infrared spectroscopy revealed the development of strong interactions between Ib and the polymer matrix. A study of the release of Ib from the synthesized biocomposites in simulated intestinal fluid (pH 7.4) was investigated. To better understand the release mechanism of drug molecules from the different carriers, several kinetic models have been applied.
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Affiliation(s)
- Nesma Baa Belmessaoud
- USTHB, Laboratoire de Synthèse Macromoléculaire et Thioorganique Macromoléculaire (LSMTM), Faculté de Chimie, Université des Sciences et de la Technologie Houari Boumediene, El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
| | - Naima Bouslah
- USTHB, Laboratoire de Synthèse Macromoléculaire et Thioorganique Macromoléculaire (LSMTM), Faculté de Chimie, Université des Sciences et de la Technologie Houari Boumediene, El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
| | - Nabila Haddadine
- USTHB, Laboratoire de Synthèse Macromoléculaire et Thioorganique Macromoléculaire (LSMTM), Faculté de Chimie, Université des Sciences et de la Technologie Houari Boumediene, El Alia, BP 32, Bab Ezzouar, 16111, Algiers, Algeria
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22
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Faccendini A, Ruggeri M, Miele D, Rossi S, Bonferoni MC, Aguzzi C, Grisoli P, Viseras C, Vigani B, Sandri G, Ferrari F. Norfloxacin-Loaded Electrospun Scaffolds: Montmorillonite Nanocomposite vs. Free Drug. Pharmaceutics 2020; 12:pharmaceutics12040325. [PMID: 32260441 PMCID: PMC7238150 DOI: 10.3390/pharmaceutics12040325] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 03/26/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022] Open
Abstract
Infections in nonhealing wounds remain one of the major challenges. Recently, nanomedicine approach seems a valid option to overcome the antibiotic resistance mechanisms. The aim of this study was the development of three types of polysaccharide-based scaffolds (chitosan-based (CH), chitosan/chondroitin sulfate-based (CH/CS), chitosan/hyaluronic acid-based (CH/HA)), as dermal substitutes, to be loaded with norfloxacin, intended for the treatment of infected wounds. The scaffolds have been loaded with norfloxacin as a free drug (N scaffolds) or in montmorillonite nanocomposite (H—hybrid-scaffolds). Chitosan/glycosaminoglycan (chondroitin sulfate or hyaluronic acid) scaffolds were prepared by means of electrospinning with a simple, one-step process. The scaffolds were characterized by 500 nm diameter fibers with homogeneous structures when norfloxacin was loaded as a free drug. On the contrary, the presence of nanocomposite caused a certain degree of surface roughness, with fibers having 1000 nm diameters. The presence of norfloxacin–montmorillonite nanocomposite (1%) caused higher deformability (90–120%) and lower elasticity (5–10 mN/cm2), decreasing the mechanical resistance of the systems. All the scaffolds were proven to be degraded via lysozyme (this should ensure scaffold resorption) and this sustained the drug release (from 50% to 100% in 3 days, depending on system composition), especially when the drug was loaded in the scaffolds as a nanocomposite. Moreover, the scaffolds were able to decrease the bioburden at least 100-fold, proving that drug loading in the scaffolds did not impair the antimicrobial activity of norfloxacin. Chondroitin sulfate and montmorillonite in the scaffolds are proven to possess a synergic performance, enhancing the fibroblast proliferation without impairing norfloxacin’s antimicrobial properties. The scaffold based on chondroitin sulfate, containing 1% norfloxacin in the nanocomposite, demonstrated adequate stiffness to sustain fibroblast proliferation and the capability to sustain antimicrobial properties to prevent/treat nonhealing wound infection during the healing process.
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Affiliation(s)
- Angela Faccendini
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Marco Ruggeri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Dalila Miele
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Maria Cristina Bonferoni
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Carola Aguzzi
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, 18071 Granada, Spain; (C.A.); (C.V.)
| | - Pietro Grisoli
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Cesar Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, 18071 Granada, Spain; (C.A.); (C.V.)
| | - Barbara Vigani
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
| | - Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
- Correspondence: ; Tel.: +0039-0382-987728
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.R.); (D.M.); (S.R.); (M.C.B.); (P.G.); (B.V.); (F.F.)
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García-Villén F, Souza IM, de Melo Barbosa R, Borrego-Sánchez A, Sánchez-Espejo R, Ojeda-Riascos S, Iborra CV. Natural Inorganic Ingredients in Wound Healing. Curr Pharm Des 2020; 26:621-641. [DOI: 10.2174/1381612826666200113162114] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/18/2019] [Indexed: 12/12/2022]
Abstract
Background:
One of the major clinical challenges is to achieve a rapid and efficient treatment of complex chronic wounds. Nowadays, most wound dressings currently available are unable to find a solution the challenges of resistance to bacterial infection, protein adsorption and increased levels of exudates. Natural inorganic ingredients (clay minerals, metal cations, zeolites, etc) could be the key to solve the problem satisfactorily. Some of these materials have shown biocompatibility and ability to enhance cell adhesion, proliferation and cellular differentiation and uptake. Besides, some natural inorganic ingredients effectively retain drugs, allowing the design of drug delivery matrices.
Objective:
possibilities of natural inorganic ingredients in wound healing treatments have been reviewed, the following sections have been included:
1. Introduction
2. Functions of Inorganic Ingredients in wound healing
2.1. Antimicrobial effects
2.2. Hemostatic effects
3. Clay minerals for wound healing
3.1. Clay minerals
3.2. Clay mineral semisolid formulations
3.3. Clay/polymer composites and nanocomposites
3.4. Clay minerals in wound dressings
4. Other inorganic materials for wound healing
4.1. Zeolites
4.2. Silica and other silicates
4.3. Other minerals
4.4. Transition metals
5. Conclusion
Conclusion:
inorganic ingredients possess useful features in the development of chronic wounds advanced treatments. They improve physical (mechanical resistance and water vapor transmission), chemical (release of drugs, hemostasis and/or adsorption of exudates and moisture) and biological (antimicrobial effects and improvement of healing) properties of wound dressings. In summary, inorganic ingredients have proved to be a promising and easily accessible products in the treatment of wounds and, more importantly, chronic wounds.
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Affiliation(s)
- Fátima García-Villén
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Granada, Spain
| | - Iane M.S. Souza
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Granada, Spain
| | - Raquel de Melo Barbosa
- Laboratory of Drug Development, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Ana Borrego-Sánchez
- Andalusian Institute of Earth Sciences, Consejo Superior de Investigaciones Científicas-University of Granada, Armilla, Granada, Spain
| | - Rita Sánchez-Espejo
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Granada, Spain
| | - Santiago Ojeda-Riascos
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Granada, Spain
| | - César V. Iborra
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Granada, Spain
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24
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Carbohydrate polymer-based silver nanocomposites: Recent progress in the antimicrobial wound dressings. Carbohydr Polym 2020; 231:115696. [DOI: 10.1016/j.carbpol.2019.115696] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 11/23/2019] [Accepted: 11/28/2019] [Indexed: 02/08/2023]
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25
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Sandri G, Faccendini A, Longo M, Ruggeri M, Rossi S, Bonferoni MC, Miele D, Prina-Mello A, Aguzzi C, Viseras C, Ferrari F. Halloysite- and Montmorillonite-Loaded Scaffolds as Enhancers of Chronic Wound Healing. Pharmaceutics 2020; 12:E179. [PMID: 32093190 PMCID: PMC7076487 DOI: 10.3390/pharmaceutics12020179] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/13/2020] [Accepted: 02/15/2020] [Indexed: 12/21/2022] Open
Abstract
The increase in life expectancy and the increasing prevalence of diabetic disease and venous insufficiency lead to the increase of chronic wounds. The prevalence of ulcers ranges from 1% in the adult population to 3-5% in the over 65 years population, with 3-5.5% of the total healthcare expenditure, as recently estimated. The aim of this work was the design and the development of electrospun scaffolds, entirely based on biopolymers, loaded with montmorillonite (MMT) or halloysite (HNT) and intended for skin reparation and regeneration, as a 3D substrate mimicking the dermal ECM. The scaffolds were manufactured by means of electrospinning and were characterized for their chemico-physical and preclinical properties. The scaffolds proved to possess the capability to enhance fibroblast cells attachment and proliferation with negligible proinflammatory activity. The capability to facilitate the cell adhesion is probably due to their unique 3D structure which are assisting cell homing and would facilitate wound healing in vivo.
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Affiliation(s)
- Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Angela Faccendini
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Marysol Longo
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
- Trinity Translational Medicine Institute, Trinity College Dublin, Dublin 8, Dublin, Ireland;
| | - Marco Ruggeri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Maria Cristina Bonferoni
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Dalila Miele
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
| | - Adriele Prina-Mello
- Trinity Translational Medicine Institute, Trinity College Dublin, Dublin 8, Dublin, Ireland;
| | - Carola Aguzzi
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja s/n, 18071 Granada, Spain; (C.A.); (C.V.)
| | - Cesar Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja s/n, 18071 Granada, Spain; (C.A.); (C.V.)
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (A.F.); (M.L.); (M.R.); (S.R.); (M.C.B.); (D.M.); (F.F.)
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Wang H, Wu P, Liu J, Yang S, Ruan B, Rehman S, Liu L, Zhu N. The regulatory mechanism of Chryseobacterium sp. resistance mediated by montmorillonite upon cadmium stress. CHEMOSPHERE 2020; 240:124851. [PMID: 31546187 DOI: 10.1016/j.chemosphere.2019.124851] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 09/09/2019] [Accepted: 09/12/2019] [Indexed: 06/10/2023]
Abstract
Cadmium (Cd) is a toxic heavy metal and its uptake by living organisms causes adverse effect, further resulting in cycle pollution of the biosphere. The specific regulatory mechanism between clays and microbes under Cd stress remains unclear. In this study, interface interactions among clays, microbes and Cd were confirmed. Comparative transcriptome was conducted to investigate how it regulated gene expression patterns of microbes (Chryseobacterium sp. WAL2), which exposed to a series of gradient concentrations of Cd (16, 32, 64 and 128 μg mL-1) for 12 d in the presence and absence of clay montmorillonite (Mt) (16 g L-1). Cd was highly enriched by the unique interface interactions between Mt and bacteria (67.6-82.1%), leading to a more hostile environment for bacterial cells. However, Mt ultimately enhanced bacterial resistance to Cd stress by stimulating the mechanism of bacterial resistance; namely: (i) Mt increased genes expression connected with ion transport, enhancing the uptake of Cd; (ii) Mt stimulated genes expression related to efflux pump and positively regulated cellular oxidative stress (e.g., glutathione) and Cd accumulation (e.g., cysteine) processes. Further, genes expression related to intracellular metabolic processes was enforced, which supplied a driving force and accelerated electron transfer; (iii) Mt improved genes expression involved in DNA replication and other biological processes (e.g., terpenoid backbone biosynthesis) to maintain bacterial vitality. Therefore, the study not only optimized a unique Cd resistance mechanism of Mt on Chryseobacterium sp., but also provided a novel insight for environmental mitigation of heavy metals from the perspective of molecular biology.
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Affiliation(s)
- Huimin Wang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
| | - Pingxiao Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China; Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; Guangdong Engineering and Technology Research Center for Environmental Nanomaterials, Guangzhou, 510006, PR China.
| | - Juan Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
| | - Shanshan Yang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
| | - Bo Ruan
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
| | - Saeed Rehman
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
| | - Liangting Liu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Nengwu Zhu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou, 510006, PR China
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27
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Gonzaga VDAM, Poli AL, Gabriel JS, Tezuka DY, Valdes TA, Leitão A, Rodero CF, Bauab TM, Chorilli M, Schmitt CC. Chitosan-laponite nanocomposite scaffolds for wound dressing application. J Biomed Mater Res B Appl Biomater 2019; 108:1388-1397. [PMID: 31512818 DOI: 10.1002/jbm.b.34487] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 08/24/2019] [Accepted: 08/29/2019] [Indexed: 12/25/2022]
Abstract
The pivotal issue of skin regeneration research is the development of effective biomaterials that exhibit biological activities as fungicide and bactericide, combining simple and low cost manufacturing technologies. In this context, nanocomposite scaffolds based on chitosan (Ch)/Laponite (Lap) were produced by using different concentrations of Lap via freeze-drying process for potential application in skin regeneration. The influence of Lap concentration on the scaffold properties was evaluated. The prepared scaffolds were characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), porosity, swelling capacity, and mechanical analyses. The results revealed that the scaffolds exhibited a porous architecture, besides the increase in the clay content, leads to an increase in the porosity, an improvement of mechanical strength, and a decrease of swelling capacity. In vitro tests were also carried out to evaluate the biocompatibility of the materials, such as bioadhesion, antibacterial activity, viability, and cell adhesion. Viability and cell adhesion demonstrated that all scaffolds were not cytotoxic and the fibroblast cells readily attached on the surface of the scaffolds. Thereby, the results suggested that the nanocomposite scaffolds are biomaterials potentially useful as wound dressings.
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Affiliation(s)
| | - Alessandra L Poli
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Juliana S Gabriel
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Daiane Y Tezuka
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Talita A Valdes
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Andrei Leitão
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Camila F Rodero
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Taís M Bauab
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Marlus Chorilli
- Department of Drugs and Medicine, School of Pharmaceutical Sciences, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Carla C Schmitt
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, Brazil
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Yi S, Yang F, Jie C, Zhang G. A novel strategy to the formulation of carmustine and bioactive nanoparticles co-loaded PLGA biocomposite spheres for targeting drug delivery to glioma treatment and nursing care. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:3438-3447. [PMID: 31411066 DOI: 10.1080/21691401.2019.1652628] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Shufeng Yi
- Department of Neurosurgery, Jinan People's Hospital, Jinan, P. R. China
| | - Fan Yang
- EICU, Jinan People's Hospital, Jinan, P. R. China
| | - Cunle Jie
- Dialysis Room, Jinan People's Hospital, Jinan, Shandong Province, P. R. China
| | - Guiqin Zhang
- Department of Science and Education, Jinan People's Hospital, Jinan, P. R. China
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Chitosan/Glycosaminoglycan Scaffolds: The Role of Silver Nanoparticles to Control Microbial Infections in Wound Healing. Polymers (Basel) 2019; 11:polym11071207. [PMID: 31330974 PMCID: PMC6680995 DOI: 10.3390/polym11071207] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/09/2019] [Accepted: 07/16/2019] [Indexed: 01/30/2023] Open
Abstract
Cutaneous wounds represent a major issue in medical care, with approximately 300 million chronic and 100 million traumatic wound patients worldwide, and microbial infections slow the healing process. The aim of this work was to develop electrospun scaffolds loaded with silver nanoparticles (AgNPs) to enhance cutaneous healing, preventing wound infections. AgNPs were directly added to polymeric blends based on chitosan (CH) and pullulan (PUL) with hyaluronic acid (HA) or chondroitin sulfate (CS) to be electrospun obtaining nanofibrous scaffolds. Moreover, a scaffold based on CH and PUL and loaded with AgNPs was prepared as a comparison. The scaffolds were characterized by chemico-physical properties, enzymatic degradation, biocompatibility, and antimicrobial properties. All the scaffolds were based on nanofibers (diameters about 500 nm) and the presence of AgNPs was evidenced by TEM and did not modify their morphology. The scaffold degradation was proven by means of lysozyme. Moreover, the AgNPs loaded scaffolds were characterized by a good propensity to promote fibroblast proliferation, avoiding the toxic effect of silver. Furthermore, scaffolds preserved AgNP antimicrobial properties, although silver was entrapped into nanofibers. Chitosan/chondroitin sulfate scaffold loaded with AgNPs demonstrated promotion of fibroblast proliferation and to possess antimicrobial properties, thus representing an interesting tool for the treatment of chronic wounds.
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García-Villén F, Faccendini A, Aguzzi C, Cerezo P, Bonferoni MC, Rossi S, Grisoli P, Ruggeri M, Ferrari F, Sandri G, Viseras C. Montmorillonite-norfloxacin nanocomposite intended for healing of infected wounds. Int J Nanomedicine 2019; 14:5051-5060. [PMID: 31371946 PMCID: PMC6628958 DOI: 10.2147/ijn.s208713] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/24/2019] [Indexed: 12/22/2022] Open
Abstract
Background: Chronic cutaneous wounds represent a major issue in medical care and are often prone to infections. Purpose: The aim of this study was the design of a clay mineral-drug nanocomposite based on montmorillonite and norfloxacin (NF, antimicrobial drug) as a powder for cutaneous application, to enhance wound healing in infected skin lesions. Methods: The nanocomposite has been prepared by means of an intercalation solution procedure. Adsorption isotherm, solid-state characterization of the nanocomposite, drug loading capacity and its release have been performed. Moreover, cytocompatibility, in vitro fibroblast proliferation and antimicrobial activity against Pseudomonas aeruginosa and Staphylococcus aureus were assessed. Results: The clay drug adsorption isotherm demonstrates that the mechanism of NF intercalation into montmorillonite galleries is the adsorption as one single process, due to the charge-charge interaction between protonated NF and negatively charged montmorillonite edges in the interlayer space. Nanocomposite is biocompatible and it is characterized by antimicrobial activity greater than the free drug: this is due to its nanostructure and controlled drug release properties. Conclusion: Considering the results obtained, NF-montmorillonite nanocomposite seems a promising tool to treat infected skin lesions or skin wounds prone to infection, as chronic ulcers (diabetic foot, venous leg ulcers) and burns.
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Affiliation(s)
- Fatima García-Villén
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
| | - Angela Faccendini
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Carola Aguzzi
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
| | - Pilar Cerezo
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
| | | | - Silvia Rossi
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Pietro Grisoli
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Marco Ruggeri
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Franca Ferrari
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Giuseppina Sandri
- Department of Drug Sciences, Faculty of Pharmacy, University of Pavia, Pavia27100, Italy
| | - Cesar Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
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31
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Vigani B, Rossi S, Sandri G, Bonferoni MC, Caramella CM, Ferrari F. Hyaluronic acid and chitosan-based nanosystems: a new dressing generation for wound care. Expert Opin Drug Deliv 2019; 16:715-740. [PMID: 31215823 DOI: 10.1080/17425247.2019.1634051] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION The main goal in the management of chronic wounds is the development of multifunctional dressings able to promote a rapid recovery of skin structure and function, improving patient compliance. AREAS COVERED This review discusses the use of nanosystems, based on hyaluronic acid and chitosan or their derivatives for the local treatment of chronic wounds. The bioactive properties of both polysaccharides will be described, as well as the results obtained in the last decade by the in vitro and in vivo evaluation of the wound healing properties of nanosystems based on such polymers. EXPERT OPINION In the last decades, there has been a progressive change in the local treatments of chronic wounds: traditional inert dressings have been replaced by more effective bioactive ones, based on biopolymers taking part in wound healing and able to release the loaded active agents in a controlled way. With the advance of nanotechnologies, the scenario has further changed: nanosystems, characterized by a large area-to-volume ratio, show an improved interaction with the biological substrates, amplifying the activity of the constituent biopolymers. In the coming years, a deeper insight into wound healing mechanisms and the development of new techniques for nanosystem manufacturing will results in the design of new scaffolds with improved performance.
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Affiliation(s)
- Barbara Vigani
- a Department of Drug Science, University of Pavia , Pavia , Italy
| | - Silvia Rossi
- a Department of Drug Science, University of Pavia , Pavia , Italy
| | | | | | | | - Franca Ferrari
- a Department of Drug Science, University of Pavia , Pavia , Italy
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32
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Ali Khan Z, Jamil S, Akhtar A, Mustehsan Bashir M, Yar M. Chitosan based hybrid materials used for wound healing applications- A short review. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1575828] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Zulfiqar Ali Khan
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Shahrin Jamil
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Amna Akhtar
- Interdisciplinary Research Center in Biomedical Materials (IRCBM), COMSATS University Islamabad Lahore Campus, Lahore, Pakistan
- Department of Chemical Engineering, COMSATS University Islamabad Lahore Campus, Lahore, Pakistan
| | - Muhammad Mustehsan Bashir
- Department of Plastic, Reconstructive surgery and Burn Unit, King Edward Medical University Lahore, Lahore, Pakistan
| | - Muhammad Yar
- Interdisciplinary Research Center in Biomedical Materials (IRCBM), COMSATS University Islamabad Lahore Campus, Lahore, Pakistan
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33
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Tekin N, Şafaklı A, Budak F, Kara A. Preparation, characterization, and antibacterial activity of organo-sepiolite/chitosan/silver bionanocomposites. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2019. [DOI: 10.1080/10601325.2019.1578620] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Nalan Tekin
- Department of Chemistry, Kocaeli University, Kocaeli, Turkey
| | - Akif Şafaklı
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Fatma Budak
- Department of Medical Microbiology, Kocaeli University, Kocaeli, Turkey
| | - Ali Kara
- Department of Chemistry, Uludağ University, Bursa, Turkey
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34
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Rauf A, Ye J, Hao A, Zhao L, Zhang S, Qi Y, Shi L, Ning G. An antibacterial silver(I) supramolecular network assembled from thiophene-2,5-dicarboxylate and benzimidazole. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1510122] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Abdul Rauf
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
| | - Junwei Ye
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
| | - Aiyu Hao
- Dalian Institute for Drug Control, Dalian, P. R. China
| | - Liyuan Zhao
- Dalian Institute for Drug Control, Dalian, P. R. China
| | - Siqi Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
| | - Ye Qi
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
| | - Lei Shi
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
| | - Guiling Ning
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
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35
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Rebitski E, Alcântara ACS, Darder M, Cansian RL, Gómez-Hortigüela L, Pergher SBC. Functional Carboxymethylcellulose/Zein Bionanocomposite Films Based on Neomycin Supported on Sepiolite or Montmorillonite Clays. ACS OMEGA 2018; 3:13538-13550. [PMID: 31458061 PMCID: PMC6644915 DOI: 10.1021/acsomega.8b01026] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 08/14/2018] [Indexed: 05/14/2023]
Abstract
The present work introduces new functional bionanocomposite materials based on layered montmorillonite and fibrous sepiolite clays and two biopolymers (carboxymethylcellulose polysaccharide and zein protein) to produce drug-loaded bionanocomposite films for antibiotic topical delivery. Neomycin, an antibiotic indicated for wound infections, was employed as the model drug in this study. The physical properties and the antimicrobial activity of these materials were evaluated as a function of the type of hybrid and the amount of zein protein incorporated in the bionanocomposite films. In addition, the interfacial and physicochemical properties of these new clay-drug hybrids have been studied through a combination of experimental and computational methodologies, where the computational studies confirm the intercalation of neomycin into the montmorillonite layers and the possible penetration of the drug in the tunnels of sepiolite, as pointed out by N2 adsorption and X-ray diffraction techniques. The antimicrobial activity of these bionanocomposite materials show that the films based on montmorillonite-neomycin display a more pronounced inhibitory effect of the bacterial growth than those prepared with the sepiolite-neomycin hybrid. Such effect can be related to the difficult release of neomycin adsorbed on sepiolite due to a strong interaction between both components.
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Affiliation(s)
- Ediana
P. Rebitski
- Laboratório
de Peneiras Moleculares—LABPEMOL, Instituto de Química, Universidade Federal do Rio Grande do Norte, 59078-970 Natal, RN, Brazil
- Instituto de Ciencia de Materiales de Madrid and Instituto de Catálisis y
Petroleoquímica, CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Ana C. S. Alcântara
- Laboratório
de Peneiras Moleculares—LABPEMOL, Instituto de Química, Universidade Federal do Rio Grande do Norte, 59078-970 Natal, RN, Brazil
- Grupo
de Pesquisa em Materiais Híbridos e Bionanocompósitos
- Bionanos, Departamento de Química, Universidade
Federal do Maranhão, 65080-805 São Luís, MA, Brazil
| | - Margarita Darder
- Instituto de Ciencia de Materiales de Madrid and Instituto de Catálisis y
Petroleoquímica, CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Rogério L. Cansian
- Laboratório
de Biotecnologia, Universidade Regional
Integrada do Alto Uruguai e das Missões, 99700-000 Erechim, RS, Brazil
| | - Luis Gómez-Hortigüela
- Instituto de Ciencia de Materiales de Madrid and Instituto de Catálisis y
Petroleoquímica, CSIC, Cantoblanco, 28049 Madrid, Spain
| | - Sibele B. C. Pergher
- Laboratório
de Peneiras Moleculares—LABPEMOL, Instituto de Química, Universidade Federal do Rio Grande do Norte, 59078-970 Natal, RN, Brazil
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Rasool A, Ata S, Islam A. Stimuli responsive biopolymer (chitosan) based blend hydrogels for wound healing application. Carbohydr Polym 2018; 203:423-429. [PMID: 30318231 DOI: 10.1016/j.carbpol.2018.09.083] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/13/2018] [Accepted: 09/29/2018] [Indexed: 12/18/2022]
Abstract
Stimuli responsive chitosan (CS) and poly (N-vinyl-2-pyrrolidone) (PVP) have attained hydrogel properties in the presence of 74% neutralized poly acrylic acid (PAA) which can be exploited for wound healing applications. The FTIR spectra confirmed the presence of all specific functional groups and the developed interactions in the hydrogels. The thermal analysis explained that the hydrogel samples are thermally more stable than individual chitosan and PVP. The antimicrobial analysis revealed that all the samples show antibacterial activity against E. coli and the biodegradation analysis is performed to confirm the hydrogels degradation. The hydrogels showed enhanced responsive swelling behavior against different media depending upon the amount of PVP. The %age swelling in water is decreased with the increase in the amount of PVP. The most considerable swelling behavior is observed against pH, as they manifested low swelling at acidic pH and high swelling at neutral pH while at pH 8, the prominent values are obtained. This distinctive behavior of hydrogels and their biocompatibility made them pertinent to drug delivery and their release profile is examined spectrophotometrically using silver sulfadiazine (antibiotic for burnt wounds) showed 91.2% of drug release for a period of 1 h in phosphate buffer saline (PBS) in a consistent and controlled manner.
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Affiliation(s)
- Atta Rasool
- Institute of Chemistry, University of the Punjab, Lahore, Pakistan; Department of Polymer Engineering and Technology, University of the Punjab, Lahore, Pakistan
| | - Sadia Ata
- Institute of Chemistry, University of the Punjab, Lahore, Pakistan.
| | - Atif Islam
- Department of Polymer Engineering and Technology, University of the Punjab, Lahore, Pakistan.
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Sangeetha R, Madheswari D, Priya G. Fabrication of poly (methyl methacrylate)/Ce/Cu substituted apatite/Egg white (Ovalbumin) biocomposite owning adjustable properties: Towards bone tissue rejuvenation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 187:162-169. [DOI: 10.1016/j.jphotobiol.2018.08.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/10/2018] [Accepted: 08/13/2018] [Indexed: 01/25/2023]
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38
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Synergistic combination of natural bioadhesive bael fruit gum and chitosan/nano-hydroxyapatite: A ternary bioactive nanohybrid for bone tissue engineering. Int J Biol Macromol 2018; 119:215-224. [PMID: 30036627 DOI: 10.1016/j.ijbiomac.2018.07.128] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/18/2018] [Accepted: 07/20/2018] [Indexed: 01/20/2023]
Abstract
In this work, we have explored the polysaccharide nature of bael fruit gum (BFG) motivated from the current findings about the substantial role of the polysaccharides in bone tissue engineering. The nanocomposite scaffold (CSH-BFG) was prepared by blending BFG, nano-hydroxyapatite (n-HA) and chitosan (CS) by co-precipitation approach and compared with n-HA and CS binary system (CSH). The analysis of different properties was carried out by SEM, TEM, FTIR, XRD and mechanical testing. The CSH-BFG scaffolds revealed a rough morphology and uniform distribution of particles along with strong chemical interactions among different components compared to the CSH scaffold. The incorporation of BFG in the scaffold resulted in significant increase of the compressive strength, compressive modulus, protein adsorption, biodegradation and swelling behaviour. The ternary system exhibited superior antibacterial activity against different bacterial pathogens compared to the binary system. The in vitro biomineralization ability was elucidated from the formation of thick apatite layer complementing the result of ARS study in the CSH-BFG nanocomposite. Our findings also revealed that BFG reinforced CSH nanocomposite exhibited enhanced cell adhesion and proliferation, osteogenic differentiation along with phenomenal cytocompatibility. Overall, our results signified that the fabricated CSH-BFG nanocomposite carries enormous potential to be applied in the bone remodelling procedures.
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Larouche J, Sheoran S, Maruyama K, Martino MM. Immune Regulation of Skin Wound Healing: Mechanisms and Novel Therapeutic Targets. Adv Wound Care (New Rochelle) 2018; 7:209-231. [PMID: 29984112 PMCID: PMC6032665 DOI: 10.1089/wound.2017.0761] [Citation(s) in RCA: 301] [Impact Index Per Article: 50.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/12/2017] [Indexed: 12/17/2022] Open
Abstract
Significance: The immune system plays a central role in orchestrating the tissue healing process. Hence, controlling the immune system to promote tissue repair and regeneration is an attractive approach when designing regenerative strategies. This review discusses the pathophysiology of both acute and chronic wounds and possible strategies to control the immune system to accelerate chronic wound closure and promote skin regeneration (scar-less healing) of acute wounds. Recent Advances: Recent studies have revealed the key roles of various immune cells and immune mediators in skin repair. Thus, immune components have been targeted to promote chronic wound repair or skin regeneration and several growth factors, cytokines, and biomaterials have shown promising results in animal models. However, these novel strategies are often struggling to meet efficacy standards in clinical trials, partly due to inadequate drug delivery systems and safety concerns. Critical Issues: Excess inflammation is a major culprit in the dysregulation of normal wound healing, and further limiting inflammation effectively reduces scarring. However, current knowledge is insufficient to efficiently control inflammation and specific immune cells. This is further complicated by inadequate drug delivery methods. Future Directions: Improving our understanding of the molecular pathways through which the immune system controls the wound healing process could facilitate the design of novel regenerative therapies. Additionally, better delivery systems may make current and future therapies more effective. To promote the entry of current regenerative strategies into clinical trials, more evidence on their safety, efficacy, and cost-effectiveness is also needed.
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Affiliation(s)
- Jacqueline Larouche
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | - Sumit Sheoran
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | - Kenta Maruyama
- WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Mikaël M. Martino
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
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Naseri-Nosar M, Ziora ZM. Wound dressings from naturally-occurring polymers: A review on homopolysaccharide-based composites. Carbohydr Polym 2018; 189:379-398. [DOI: 10.1016/j.carbpol.2018.02.003] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/21/2018] [Accepted: 02/01/2018] [Indexed: 12/18/2022]
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41
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Razavi S, Partoazar A, Takzaree N, Fasihi-Ramandi M, Bahador A, Darvishi MH. Silver sulfadiazine nanoethogel for burn healing: characterization and investigation of its in vivo effects. Nanomedicine (Lond) 2018; 13:1319-1331. [DOI: 10.2217/nnm-2017-0385] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Nanoethosomal formulation containing silver sulfadiazine (SSD) was used to reduce bacterial burden and healing time in burn injuries. Materials & methods: Ethosomal formulations were characterized for their size, ζ-potential, morphology, drug encapsulation efficiency and in vitro release kinetics of SSD. Results: The optimized nanoethosomal suspension with a size of 206.7 ± 1.18, and ζ-potential value of -67.3 ± 0.45 mV exhibited a high SSD encapsulation efficiency (92.03 ± 0.79%). Results of antimicrobial tests indicated SSD-loaded ethosome formulation led to a significant reduction of colony number. Histopathological results demonstrated a wound contraction rate of 96.83% for the group treated with SSD ethosomal gel while untreated group showed 59.41%. Conclusion: The SSD ethogels promotes the therapeutic effect of SSD for burn treatment.
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Affiliation(s)
- Seyedehhamideh Razavi
- Nanobiotechnology Research Centre, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alireza Partoazar
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasrin Takzaree
- Anatomy Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Fasihi-Ramandi
- Molecular Biology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Abas Bahador
- Department of Microbiology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad H Darvishi
- Nanobiotechnology Research Centre, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Gao D, Zhou X, Gao Z, Shi X, Wang Z, Wang Y, Zhang P. Preparation and Characterization of Silver Sulfadiazine-Loaded Polyvinyl Alcohol Hydrogels as an Antibacterial Wound Dressing. J Pharm Sci 2018; 107:2377-2384. [PMID: 29751007 DOI: 10.1016/j.xphs.2018.04.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 03/07/2018] [Accepted: 04/27/2018] [Indexed: 10/17/2022]
Abstract
In this study, we prepared a series of silver sulfadiazine (AgSD)-loaded polyvinyl alcohol (PVA) hydrogels via electron beam (e-beam) irradiation. Our objective was to explore the influence of e-beam irradiation on the chemical structure and crystallinity of AgSD and the antibacterial properties of AgSD/PVA hydrogels. Prior to irradiation, we mixed AgSD in PVA solution in 2 forms, either suspended in water (WS) or dissolved in ammonia solution (AS). We noted that nano silver was released from AgSD/PVA-AS hydrogels immersed in deionized water, while it would not happen in AgSD/PVA-WS hydrogels. Both kinds of AgSD/PVA hydrogels exhibited good antibacterial activities against gram-negative Escherichia coli and gram-positive Staphylococcus aureus. And their antibacterial activity was not obviously affected by different dosages of e-beam irradiation. Moreover, the antibacterial activity of the AgSD/PVA-WS hydrogels was stronger than that of AgSD/PVA-AS. Accordingly, the cell cytotoxicity of the AgSD/PVA-WS hydrogels was higher than that of AgSD/PVA-AS. Our study results reveal that e-beam irradiation of PVA solution with dispersed AgSD is a simple and efficient way to prepare AgSD/PVA hydrogels, which might be an ideal antibacterial wound dressing.
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Affiliation(s)
- Daqian Gao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; Research and Development Center for Wound Repair Materials and Regenerative Medicine, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences-Huibo Medical, Nanyang 473000, PR China; College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, PR China
| | - Xinqin Zhou
- Research and Development Center for Wound Repair Materials and Regenerative Medicine, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences-Huibo Medical, Nanyang 473000, PR China
| | - ZhenHua Gao
- College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, PR China
| | - Xincui Shi
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; Research and Development Center for Wound Repair Materials and Regenerative Medicine, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences-Huibo Medical, Nanyang 473000, PR China.
| | - Yu Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; Research and Development Center for Wound Repair Materials and Regenerative Medicine, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences-Huibo Medical, Nanyang 473000, PR China.
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Roy A, Joshi M. Enhancing antibacterial properties of polypropylene/Cu-loaded montmorillonite nanocomposite filaments through sheath-core morphology. POLYM INT 2018. [DOI: 10.1002/pi.5580] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anasuya Roy
- Department of Textile Technology Delhi; Hauz Khas, New Delhi India
| | - Mangala Joshi
- Department of Textile Technology Delhi; Hauz Khas, New Delhi India
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Mousa M, Evans ND, Oreffo RO, Dawson JI. Clay nanoparticles for regenerative medicine and biomaterial design: A review of clay bioactivity. Biomaterials 2018; 159:204-214. [DOI: 10.1016/j.biomaterials.2017.12.024] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/21/2017] [Accepted: 12/31/2017] [Indexed: 11/17/2022]
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Carazo E, Borrego-Sánchez A, García-Villén F, Sánchez-Espejo R, Cerezo P, Aguzzi C, Viseras C. Advanced Inorganic Nanosystems for Skin Drug Delivery. CHEM REC 2018; 18:891-899. [DOI: 10.1002/tcr.201700061] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 12/22/2017] [Indexed: 01/01/2023]
Affiliation(s)
- E. Carazo
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
| | - A. Borrego-Sánchez
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
- Andalusian Institute of Earth Sciences; CSIC-University of Granada; Avda. de Las Palmeras 4 18100 Armilla (Granada) Spain
| | - F. García-Villén
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
| | - R. Sánchez-Espejo
- Andalusian Institute of Earth Sciences; CSIC-University of Granada; Avda. de Las Palmeras 4 18100 Armilla (Granada) Spain
| | - P. Cerezo
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
| | - C. Aguzzi
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
| | - C. Viseras
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy; University of Granada; Campus of Cartuja, 18071 s/n Granada Spain
- Andalusian Institute of Earth Sciences; CSIC-University of Granada; Avda. de Las Palmeras 4 18100 Armilla (Granada) Spain
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Shakir M, Mirza S, Jolly R, Rauf A, Owais M. Synthesis, characterization and in vitro screening of a nano-hydroxyapatite/chitosan/Euryale ferox nanoensemble – an inimitable approach for bone tissue engineering. NEW J CHEM 2018. [DOI: 10.1039/c7nj02953e] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In order to explore novel synthetic bone scaffolds, a biomimmetic, osteoinductive, tricomposite scaffold has been synthesized incorporating Euryale ferox (EF) with nano-hydroxyapatite and chitosan.
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Affiliation(s)
- Mohammad Shakir
- Inorganic Chemistry Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh
- India
| | - Sumbul Mirza
- Inorganic Chemistry Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh
- India
| | - Reshma Jolly
- Inorganic Chemistry Laboratory
- Department of Chemistry
- Aligarh Muslim University
- Aligarh
- India
| | - Ahmar Rauf
- Molecular Immunology Group Lab
- Interdisciplinary Biotechnology Unit
- Aligarh Muslim University
- Aligarh
- India
| | - Mohammad Owais
- Molecular Immunology Group Lab
- Interdisciplinary Biotechnology Unit
- Aligarh Muslim University
- Aligarh
- India
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Saporito F, Sandri G, Bonferoni MC, Rossi S, Boselli C, Icaro Cornaglia A, Mannucci B, Grisoli P, Vigani B, Ferrari F. Essential oil-loaded lipid nanoparticles for wound healing. Int J Nanomedicine 2017; 13:175-186. [PMID: 29343956 PMCID: PMC5747963 DOI: 10.2147/ijn.s152529] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Chronic wounds and severe burns are diseases responsible for severe morbidity and even death. Wound repair is a crucial process and tissue regeneration enhancement and infection prevention are key factors to minimize pain, discomfort, and scar formation. The aim of this work was the development of lipid nanoparticles (solid lipid nanoparticles and nanostructured lipid carriers [NLC]), to be loaded with eucalyptus or rosemary essential oils and to be used, as medical devices, to enhance healing of skin wounds. Lipid nanoparticles were based on natural lipids: cocoa butter, as solid lipid, and olive oil or sesame oil, as liquid lipids. Lecithin was chosen as surfactant to stabilize nanoparticles and to prevent their aggregation. The systems were prepared by high shear homogenization followed by ultrasound application. Nanoparticles were characterized for physical–chemical properties, bioadhesion, cytocompatibility, in vitro proliferation enhancement, and wound healing properties toward normal human dermal fibroblasts. Antimicrobial activity of nanoparticles was evaluated against two reference microbial strains, one of Staphylococcus aureus, the other of Streptococcus pyogenes. Finally, the capability of nanoparticles to promote wound healing in vivo was evaluated on a rat burn model. NLC based on olive oil and loaded with eucalyptus oil showed appropriate physical–chemical properties, good bioadhesion, cytocompatibility, in vitro proliferation enhancement, and wound healing properties toward fibroblasts, associated to antimicrobial properties. Moreover, the in vivo results evidenced the capability of these NLC to enhance the healing process. Olive oil, which is characterized by a high content of oleic acid, proved to exert a synergic effect with eucalyptus oil with respect to antimicrobial activity and wound repair promotion.
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Affiliation(s)
| | | | | | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Pavia
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Barkat MA, Harshita, Ahmad I, Ali R, Singh SP, Pottoo FH, Beg S, Ahmad FJ. Nanosuspension-Based Aloe vera Gel of Silver Sulfadiazine with Improved Wound Healing Activity. AAPS PharmSciTech 2017; 18:3274-3285. [PMID: 28584900 DOI: 10.1208/s12249-017-0817-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 05/23/2017] [Indexed: 11/30/2022] Open
Abstract
The present study focuses on the development and characterization of nanosuspension of a poorly soluble drug, silver sulfadiazine (SSD) incorporated in Aloe vera gel (AV-gel) for improving its therapeutic efficacy. The SSD solution in ammonia was subjected to nanoprecipitation in surfactant solution and particle size was optimized by varying concentration of surfactant. Optimized formulation constituted of 5.5% (w/v) Span 20 and 5.5% (w/v) Tween 80 as a dispersing agent and 0.5% (w/v) Poloxamer 188 as a co-surfactant. The prepared nanosuspension was evaluated for particle size, polydispersity index, surface morphology, and x-ray diffraction study. The optimized nanosuspension was incorporated into nanogel formulation with the addition of 1% AV-gel and 0.5% Carbopol 940 for topical delivery of nanosized SSD. Evaluation of in vitro drug release exhibited a significant enhancement in release rate of the drug from developed nanogel formulation (77.16 ± 3.241%) in comparison to marketed formulation (42.81 ± 1.452%) after 48 h. In vivo histopathological studies in rats for 14 days of application of prepared nanogel showed improvement in the wound healing potential as compared to marketed formulation.
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Sandri G, Aguzzi C, Rossi S, Bonferoni MC, Bruni G, Boselli C, Cornaglia AI, Riva F, Viseras C, Caramella C, Ferrari F. Halloysite and chitosan oligosaccharide nanocomposite for wound healing. Acta Biomater 2017; 57:216-224. [PMID: 28522411 DOI: 10.1016/j.actbio.2017.05.032] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 05/09/2017] [Accepted: 05/13/2017] [Indexed: 11/16/2022]
Abstract
Halloysite is a natural nanotubular clay mineral (HNTs, Halloysite Nano Tubes) chemically identical to kaolinite and, due to its good biocompatibility, is an attractive nanomaterial for a vast range of biological applications. Chitosan oligosaccharides are homo- or heterooligomers of N-acetylglucosamine and D-glucosamine, that accelerate wound healing by enhancing the functions of inflammatory and repairing cells. The aim of the work was the development of a nanocomposite based on HNTs and chitosan oligosaccharides, to be used as pour powder to enhance healing in the treatment of chronic wounds. A 1:0.05 wt ratio HTNs/chitosan oligosaccharide nanocomposite was obtained by simply stirring the HTNs powder in a 1% w/w aqueous chitosan oligosaccharide solution and was formed by spontaneous ionic interaction resulting in 98.6% w/w HTNs and 1.4% w/w chitosan oligosaccharide composition. Advanced electron microscopy techniques were considered to confirm the structure of the hybrid nanotubes. Both HTNs and HTNs/chitosan oligosaccharide nanocomposite showed good in vitro biocompatibility with normal human dermal fibroblasts up to 300μg/ml concentration and enhanced in vitro fibroblast motility, promoting both proliferation and migration. The HTNs/chitosan oligosaccharide nanocomposite and the two components separately were tested for healing capacity in a murine (rat) model. HTNs/chitosan oligosaccharide allowed better skin reepithelization and reorganization than HNTs or chitosan oligosaccharide separately. The results suggest to develop the nanocomposite as a medical device for wound healing. STATEMENT OF SIGNIFICANCE The present work is focused on the development of halloysite and chitosan oligosaccharide nanocomposite for wound healing. It considers a therapeutic option for difficult to heal skin lesions and burns. The significance of the research considers two fundamental aspects: the first one is related to the development of a self-assembled nanocomposite, formed by spontaneous ionic interaction, while the second one is related to the possibility to find an effective treatment for cutaneous non healing lesions. The characterization of this hybrid system involves a multidisciplinary approach considering integrated techniques of solid state investigation and advanced electron microscopies, and in vitro/in vivo models to understand biocompatibility and proliferation properties (enhancement of in vitro fibroblast motility, proliferation and migration, and of in vivo burn healing), to understand safety and effectiveness of the developed nanocomposite.
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Affiliation(s)
- Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy.
| | - Carola Aguzzi
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Campus of Cartuja, Granada, 18071 s/n, Spain
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | | | - Giovanna Bruni
- Department of Chemistry, Physical Chemistry Section, University of Pavia, Viale Taramelli 16, 27100 Pavia, Italy
| | - Cinzia Boselli
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Antonia Icaro Cornaglia
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 2, 27100 Pavia, Italy
| | - Federica Riva
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 2, 27100 Pavia, Italy
| | - Cesar Viseras
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Campus of Cartuja, Granada, 18071 s/n, Spain; Andalusian Institute of Earth Sciences, CSIC-University of Granada, Armilla, Granada, Spain
| | - Carla Caramella
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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Zou Q, Cai B, Li J, Li J, Li Y. In vitro and in vivo evaluation of the chitosan/Tur composite film for wound healing applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:601-615. [PMID: 28277010 DOI: 10.1080/09205063.2017.1289036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We have developed tourmaline/chitosan (Tur/CS) composite films for wound healing applications. The characteristics of composite films were studied by optical microscope, infrared spectra and X-ray diffraction. Tur particles were uniformly distributed in the CS film and the crystal structure of CS was not remarkably changed except the decrease of crystallinity. The influence of Tur on wound healing applications was characterized by modulating Tur concentrations in the Tur/CS composite film prepared by loading Tur powder into CS matrix with different proportion (0, 1/40 and 1/10). Then L929 cells were co-cultured on the composite films to access the cytotoxicity in vitro. Tur concentrations strongly influenced cell process extension. Tur/CS composite film with 1/40 mass ratio could promote the cell adhesion and proliferation. Fewer and shorter processes were observed at high Tur density. When the composite films were transplanted on porcine full-thickness burn wounds, histological results demonstrated that the Tur/CS group with 1/40 mass ratio had a significantly higher number of newly-formed and mature blood vessels, and fastest regeneration of dermis. Based on the observed facts these films can be tailored for their potential utilization in wound healing and skin tissue engineering applications.
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Affiliation(s)
- Qin Zou
- a Research Center for Nano-Biomaterials, Analytical & Testing Center , Sichuan University , Chengdu , China
| | - Bin Cai
- a Research Center for Nano-Biomaterials, Analytical & Testing Center , Sichuan University , Chengdu , China
| | - Junfeng Li
- b Department of Materials Science & Engineering , Chengdu University of Technology , Chengdu , China
| | - Jidong Li
- a Research Center for Nano-Biomaterials, Analytical & Testing Center , Sichuan University , Chengdu , China
| | - Yubao Li
- a Research Center for Nano-Biomaterials, Analytical & Testing Center , Sichuan University , Chengdu , China
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