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Ju R, Gao X, Zhang C, Tang W, Tian W, He M. Exogenous MSC based tissue regeneration: a review of immuno-protection strategies from biomaterial scaffolds. J Mater Chem B 2024; 12:8868-8882. [PMID: 39171946 DOI: 10.1039/d4tb00778f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Mesenchymal stem cell (MSC)-based tissue engineering holds great potential for regenerative medicine as a means of replacing damaged or lost tissues to restore their structure and function. However, the efficacy of MSC-based regeneration is frequently limited by the low survival rate and limited survival time of transplanted MSCs. Despite the inherent immune privileges of MSCs, such as low expression of major histocompatibility complex antigens, tolerogenic properties, local immunosuppressive microenvironment creation, and induction of immune tolerance, immune rejection remains a major obstacle to their survival and regenerative potential. Evidence suggests that immune protection strategies can enhance MSC therapeutic efficacy by prolonging their survival and maintaining their biological functions. Among various immune protection strategies, biomaterial-based scaffolds or cell encapsulation systems that mediate the interaction between transplanted MSCs and the host immune system or spatially isolate MSCs from the immune system for a specific time period have shown great promise. In this review, we provide a comprehensive overview of these biomaterial-based immune protection strategies employed for exogenous MSCs, highlighting the crucial role of modulating the immune microenvironment. Each strategy is critically examined, discussing its strengths, limitations, and potential applications in MSC-based tissue engineering. By elucidating the mechanisms behind immune rejection and exploring immune protection strategies, we aim to address the challenges faced by MSC-based tissue engineering and pave the way for enhancing the therapeutic outcomes of MSC therapies. The insights gained from this review will contribute to the development of more effective strategies to protect transplanted MSCs from immune rejection and enable their successful application in regenerative medicine.
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Affiliation(s)
- Rongbai Ju
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xinhui Gao
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Chi Zhang
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wei Tang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Weidong Tian
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Min He
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
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Wang M, Jiang Y, Zhuang K, Tan L. Bacteria-responsive functional electrospun membrane: simultaneous on-site visual monitoring and inhibition of bacterial infection. J Mater Chem B 2024; 12:8357-8365. [PMID: 39101217 DOI: 10.1039/d4tb00963k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
Skin infections are a major threat to human health. Early diagnosis of bacterial infections is of great significance for implementing protective measures on the skin. Therefore, in this study, we designed an electrospun membrane (PPBT) for visual monitoring of colonized bacteria and responsive antibacterial ability. Specifically, the acidity of the microenvironment caused by bacterial metabolism was applied to drive the color change of bromothymol blue (BTB) on the PPBT membrane from green to yellow, thereby facilitating the early warning of infection and timely treatment. Within 4 h, different concentrations of Staphylococcus aureus (∼105 CFU mL-1), Escherichia coli (∼105 CFU mL-1), Pseudomonas aeruginosa (∼105 CFU mL-1) and Candida albicans (∼104 CFU mL-1) were visually monitored. Moreover, as the local acidity was enhanced via microbial metabolism, ZIF-8 nanoparticles loaded with TCS (TCS@ZIF-8) on the PPBT membrane could release TCS in an acid-responsive manner. At the same time, ROS were generated under 405 nm irradiation to achieve synergistic antibacterial ability. Experiments confirmed that the PPBT membrane has ideal and controllable antibacterial features based on acid responsive release and a synergistic photocatalytic antibacterial mechanism after monitoring. Therefore, the PPBT membrane developed in this work provides a feasible solution for bacterial monitoring and inactivation devices. More importantly, it can be beneficial for meeting the needs of clinical diagnosis and timely treatment of bacterial infection.
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Affiliation(s)
- Min Wang
- College of Biomass Science and Engineering, Key Laboratory of Biomass Fibers for Medical Care in Textile Industry, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Yuanzhang Jiang
- College of Biomass Science and Engineering, Key Laboratory of Biomass Fibers for Medical Care in Textile Industry, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Kaiwen Zhuang
- Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Lin Tan
- College of Biomass Science and Engineering, Key Laboratory of Biomass Fibers for Medical Care in Textile Industry, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
- Yibin Institute of Industrial Technology/Sichuan University, Yibin Park, Yibin 644000, China
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3
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Ghosh A, Saha K, Bhattacharya T, Sarkar S, Sengupta D, Maiti A, Ghoshal D, Dey S, Chattopadhyay D. Electrospun Cerium Oxide Nanoparticle/Aloe Vera Extract-Loaded Nanofibrous Poly(Ethylene Oxide)/Polyurethane Mats As Diabetic Wound Dressings. ACS APPLIED BIO MATERIALS 2024; 7:5268-5278. [PMID: 39093691 DOI: 10.1021/acsabm.4c00475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Currently the prevalence of diabetic wounds brings a huge encumbrance onto patients, causing high disability and mortality rates and a major medical challenge for society. Therefore, in this study, we are targeting to fabricate aloe vera extract infused biocompatible nanofibrous patches to facilitate the process of diabetic wound healing. Additionally, clindamycin has been adsorbed onto the surface of in-house synthesized ceria nanoparticles and again used separately to design a nanofibrous web, as nanoceria can act as a good drug delivery vehicle and exhibit both antimicrobial and antidiabetic properties. Various physicochemical characteristics such as morphology, porosity, and chemical composition of the produced nanofibrous webs were investigated. Bacterial growth inhibition and antibiofilm studies of the nanofibrous materials confirm its antibacterial and antibiofilm efficacy against Gram-positive and Gram-negative bacteria. An in vitro drug release study confirmed that the nanofibrous mat show a sustained drug release pattern (90% of drug in 96 h). The nanofibrous web containing drug loaded nanoceria not only showed superior in vitro performance but also promoted greater wound contraction (95 ± 2%) in diabetes-induced mice in just 7 days. Consequently, it efficaciously lowers the serum glucose level, inflammatory cytokines, oxidative stress, and hepatotoxicity markers as endorsed by various ex vivo tests. Conclusively, this in-house-fabricated biocompatible nanofibrous patch can act as a potential medicated suppository that can be used for treating diabetic wounds in the proximate future.
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Affiliation(s)
- Adrija Ghosh
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
| | - Kasturi Saha
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
| | - Tuhin Bhattacharya
- Department of Physiology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
| | - Sresha Sarkar
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
| | - Dipanjan Sengupta
- Department of Chemical Technology, Rajabazar Science College, University of Calcutta, Kolkata 700 009, India
| | - Anupam Maiti
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Debajyoti Ghoshal
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Sanjit Dey
- Department of Physiology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
- Department of Science and Technology (DST) for PURSE and UGC-CPEPA scheme granted to University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
| | - Dipankar Chattopadhyay
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
- Center for Research in Nanoscience and Nanotechnology, Acharya Prafulla Chandra Roy Sikhsha Prangan, University of Calcutta, JD-2, Sector-III, Saltlake City, Kolkata 700098, India
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Taha E, Nour SA, Mamdouh W, Naguib MJ. Investigating the potential of highly porous zopiclone-loaded 3D electrospun nanofibers for brain targeting via the intranasal route. Int J Pharm 2024; 660:124230. [PMID: 38782156 DOI: 10.1016/j.ijpharm.2024.124230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
Nanofibers (NFs) have proven to be very attractive tool as drug delivery plateform among the different plethora of nanosystems, owing to their unique features. They exhibit two- and three-dimensional structures some of which mimic structural environment of the body tissues, in addition to being safe, efficacious, and biocompatible drug delivery platform. Thus, this study embarked on fabricating polyvinyl alcohol/chitosan (PVA/CS) electrospun NFs encapsulating zopiclone (ZP) drug for intranasal brain targeted drug delivery. Electrospun NFs were optimized by adopting a three factor-two level full factorial design. The independent variables were: PVA/CS ratio (X1), flow rate (X2), and applied voltage (X3). The measured responses were: fiber diameter (Y1,nm), pore size (Y2,nm) and ultimate tensile strength (UTS,Y3,MPa). The selected optimum formula had resulted in NFs diameter of 215.90 ± 15.46 nm, pore size 7.12 ± 0.27 nm, and tensile strength around 6.64 ± 0.95 MPa. In-vitro biodegradability testing confirmed proper degradation of the NFs within 8 h. Moreover, swellability and breathability assessment revealed good hydrophilicity and permeability of the prepared NFs. Ex-vivo permeability study declared boosted ex-vivo permeation with an enhancement factor of 2.73 compared to ZP suspension. In addition, optimized NFs formula significantly reduced sleep latency and prolonged sleep duration in rats compared to IV ZP drug solution. These findings demonstrate the feasibility of employing the designed NFs as an effective safe platform for intranasal delivery of ZP for insomnia management.
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Affiliation(s)
- Esraa Taha
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Samia A Nour
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Wael Mamdouh
- Department of Chemistry, School of Sciences and Engineering, The American University in Cairo (AUC), AUC Avenue, P.O. Box 74, New Cairo 11835, Egypt.
| | - Marianne J Naguib
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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5
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Cruz-Maya I, Cirillo V, Serrano-Bello J, Serri C, Alvarez-Perez MA, Guarino V. Optimization of Diclofenac-Loaded Bicomponent Nanofibers: Effect of Gelatin on In Vitro and In Vivo Response. Pharmaceutics 2024; 16:925. [PMID: 39065622 PMCID: PMC11279899 DOI: 10.3390/pharmaceutics16070925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/28/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024] Open
Abstract
The use of electrospun fibers as anti-inflammatory drug carriers is currently one of the most interesting approaches for the design of drug delivery systems. In recent years, biodegradable polymers blended with naturally derived ones have been extensively studied to fabricate bioinspired platforms capable of driving biological responses by releasing selected molecular/pharmaceutical signals. Here, sodium diclofenac (DicNa)-loaded electrospun fibers, consisting of polycaprolactone (PCL) or gelatin-functionalized PCL, were studied to evaluate fibroblasts' in vitro and in vivo response. In vitro studies demonstrated that cell adhesion of L929 cells (≈70%) was not affected by the presence of DicNa after 4 h. Moreover, the initial burst release of the drug from PD and PGD fibers, e.g., 80 and 48%, respectively, after 5 h-combined with its sustained release-did not produce any cytotoxic effect and did not negatively influence the biological activity of the cells. In particular, it was demonstrated that the addition of gelatin concurred to slow down the release mechanism, thus limiting the antiproliferative effect of DicNa, as confirmed by the significant increase in cell viability and collagen deposition after 7 days, with respect to PCL alone. In vivo studies in a rat subcutaneous model also confirmed the ability of DicNa-loaded fibers to moderate the inflammatory/foreign body response independently through the presence of gelatin that played a significant role in supporting the formation of small-caliber vessels after 10 days of implantation. All of these results suggest using bicomponent fibers loaded with DicNa as a valid therapeutic tool capable of supporting the wound healing process and limiting in vivo inflammation and rejection phenomena.
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Affiliation(s)
- Iriczalli Cruz-Maya
- Institute of Polymers, Composite and Biomaterials, National Research Council of Italy, Mostra d’Oltremare, V.le J.F.Kennedy 54, 80125 Naples, Italy; (I.C.-M.); (V.C.)
- Tissue Bioengineering Laboratory, Department of Posgraduate Studies and Research (DEPeI), School of Dentistry, Universidad Nacional Autonoma de Mexico (UNAM), Circuito Exterior s/n, Mexico City 04510, Mexico;
| | - Valentina Cirillo
- Institute of Polymers, Composite and Biomaterials, National Research Council of Italy, Mostra d’Oltremare, V.le J.F.Kennedy 54, 80125 Naples, Italy; (I.C.-M.); (V.C.)
| | - Janeth Serrano-Bello
- Tissue Bioengineering Laboratory, Department of Posgraduate Studies and Research (DEPeI), School of Dentistry, Universidad Nacional Autonoma de Mexico (UNAM), Circuito Exterior s/n, Mexico City 04510, Mexico;
| | - Carla Serri
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy;
| | - Marco Antonio Alvarez-Perez
- Tissue Bioengineering Laboratory, Department of Posgraduate Studies and Research (DEPeI), School of Dentistry, Universidad Nacional Autonoma de Mexico (UNAM), Circuito Exterior s/n, Mexico City 04510, Mexico;
| | - Vincenzo Guarino
- Institute of Polymers, Composite and Biomaterials, National Research Council of Italy, Mostra d’Oltremare, V.le J.F.Kennedy 54, 80125 Naples, Italy; (I.C.-M.); (V.C.)
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Alka, Mishra N, Singh P, Singh N, Rathore K, Verma V, Ratna S, Nisha R, Verma A, Saraf SA. Multifunctional polymeric nanofibrous scaffolds enriched with azilsartan medoxomil for enhanced wound healing. Drug Deliv Transl Res 2024:10.1007/s13346-024-01637-3. [PMID: 38833068 DOI: 10.1007/s13346-024-01637-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2024] [Indexed: 06/06/2024]
Abstract
A prolonged and compromised wound healing process poses a significant clinical challenge, necessitating innovative solutions. This research investigates the potential application of nanotechnology-based formulations, specifically nanofiber (NF) scaffolds, in addressing this issue. The study focuses on the development and characterization of multifunctional nanofibrous scaffolds (AZL-CS/PVA-NF) composed of azilsartan medoxomil (AZL) enriched chitosan/polyvinyl alcohol (CS/PVA) through electrospinning. The scaffolds underwent comprehensive characterization both in vitro and in vivo. The mean diameter and tensile strength of AZL-CS/PVA-NF were determined to be 240.42 ± 3.55 nm and 18.05 ± 1.18 MPa, respectively. A notable drug release rate of 93.86 ± 2.04%, was observed from AZL-CS/PVA-NF over 48 h at pH 7.4. Moreover, AZL-CS/PVA-NF exhibited potent antimicrobial efficacy for Staphylococcus aureus and Pseudomonas aeruginosa. The expression levels of Akt and CD31 were significantly elevated, while Stat3 showed a decrease, indicating a heightened tissue regeneration rate with AZL-CS/PVA-NF compared to other treatment groups. In vivo ELISA findings revealed reduced inflammatory markers (IL-6, IL-1β, TNF-α) within treated skin tissue, implying a beneficial effect on injury repair. The comprehensive findings of the present endeavour underscore the superior wound healing activity of the developed AZL-CS/PVA-NF scaffolds in a Wistar rat full-thickness excision wound model. This indicates their potential as novel carriers for drugs and dressings in the field of wound care.
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Affiliation(s)
- Alka
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Nidhi Mishra
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Priya Singh
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
- School of Pharmacy, GITAM (Deemed-to-Be) University, Rudraram, Patancheru Mandal, Hyderabad, 502329, Telangana, India
| | - Neelu Singh
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Kalpana Rathore
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur, 208016, Uttar Pradesh, India
| | - Vivek Verma
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur, 208016, Uttar Pradesh, India
- Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, 208016, Uttar Pradesh, India
- Samtel Centre for Display Technologies, Indian Institute of Technology Kanpur, 208016, Uttar Pradesh, India
- National Centre for Flexible Electronics, Indian Institute of Technology Kanpur, 208016, Uttar Pradesh, India
| | - Sheel Ratna
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Raquibun Nisha
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Abhishek Verma
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India
| | - Shubhini A Saraf
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University Lucknow (A Central University), Uttar Pradesh, Vidya Vihar, Raebareli Road, Lucknow, 226025, Uttar Pradesh, India.
- National Institute of Pharmaceutical Education and Research (NIPER), Raebareli, Bijnor-Sisendi Road, Sarojini Nagar, Near CRPF Base Camp, Lucknow, 226025, Uttar Pradesh, India.
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Yalcinkaya B, Buzgo M. Optimization of Electrospun TORLON ® 4000 Polyamide-Imide (PAI) Nanofibers: Bridging the Gap to Industrial-Scale Production. Polymers (Basel) 2024; 16:1516. [PMID: 38891462 PMCID: PMC11174607 DOI: 10.3390/polym16111516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/23/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
Polyamide-imide (PAI) is an exceptional polymer known for its outstanding mechanical, chemical, and thermal resistance. This makes it an ideal choice for applications that require excellent durability, such as those in the aerospace sector, bearings, gears, and the oil and gas industry. The current study explores the optimization of TORLON® 4000 T HV polyamide-imide nanofibers utilizing needleless electrospinning devices, ranging from laboratory-scale to industrial-scale production, for the first time. The PAI polymer has been dispersed in several solvent systems at varying concentrations. The diameter of the electrospun PAI nanofibers ranged from 65.8 nanometers to 1.52 μm. Their filtering efficiency was above 90% for particles with a size of 0.3 microns. The TGA results proved that PAI nanofibers have excellent resistance to high temperatures up to 450 °C. The PAI nanofibers are ideal for hot air intake filtration and fire-fighter personal protection equipment applications.
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Affiliation(s)
- Baturalp Yalcinkaya
- Respilon Membranes s.r.o., Nové sady 988/2, Staré Brno, 602 00 Brno, Czech Republic;
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8
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Mirzaeei S, Pourfarzi S, Saeedi M, Taghe S, Nokhodchi A. Development of a PVA/PCL/CS-Based Nanofibrous Membrane for Guided Tissue Regeneration and Controlled Delivery of Doxycycline Hydrochloride in Management of Periodontitis: In Vivo Evaluation in Rats. AAPS PharmSciTech 2024; 25:27. [PMID: 38291317 DOI: 10.1208/s12249-024-02735-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/21/2023] [Indexed: 02/01/2024] Open
Abstract
Antibiotic administration is an adjacent therapy to guided tissue regeneration (GTR) in the management of periodontitis. This is due to the major role of pathogen biofilm in aggravating periodontal defects. This study aimed to fabricate a GTR membrane for sustained delivery of doxycycline hydrochloride (DOX) while having a space-maintaining function. The membranes were prepared using a polymeric blend of polycaprolactone/polyvinyl alcohol/chitosan by the electrospinning technique. The obtained membranes were characterized in terms of physicochemical and biological properties. Nanofibers showed a mean diameter in the submicron range of < 450 nm while having uniform randomly aligned morphology. The obtained membranes showed high strength and flexibility. A prolonged in vitro release profile during 68 h was observed for manufactured formulations. The prepared membranes showed a cell viability of > 70% at different DOX concentrations. The formulations possessed antimicrobial efficacy against common pathogens responsible for periodontitis. In vivo evaluation also showed prolonged release of DOX for 14 days. The histopathological evaluation confirmed the biocompatibility of the GTR membrane. In conclusion, the developed nanofibrous DOX-loaded GTR membranes may have beneficial characteristics in favour of both sustained antibiotic delivery and periodontal regeneration by space-maintaining function without causing any irritation and tissue damage.
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Affiliation(s)
- Shahla Mirzaeei
- Nano Drug Delivery Research Centre, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
- Pharmaceutical Sciences Research Centre, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Shadman Pourfarzi
- Student Research Committee, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Morteza Saeedi
- Pharmaceutical Sciences Research Center, Rahesh Daru Novine, Kermanshah, Iran
| | - Shiva Taghe
- Pharmaceutical Sciences Research Center, Rahesh Daru Novine, Kermanshah, Iran
| | - Ali Nokhodchi
- Lupin Pharmaceutical Research Inc., 4006 NW 124th Ave., Coral Springs, Florida, 33065, USA.
- School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, UK.
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9
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Furuno K, Elvitigala KCML, Suzuki K, Sakai S. Local delivery of adeno-associated viral vectors with electrospun gelatin nanofiber mats. J Biomed Mater Res B Appl Biomater 2024; 112:e35345. [PMID: 37902433 DOI: 10.1002/jbm.b.35345] [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: 05/27/2023] [Revised: 08/28/2023] [Accepted: 10/14/2023] [Indexed: 10/31/2023]
Abstract
Adeno-associated viral (AAV) vectors play a significant role in gene therapy, yet the typical delivery methods, like systemic and local AAV injections, often lead to unintended off-target distribution and tissue damage due to injection. In this study, we propose a localized delivery approach for AAV vectors utilizing electrospun gelatin nanofiber mats, which are cross-linked with glutaraldehyde. The AAV vectors, which encoded a green fluorescent protein (GFP), were loaded onto the mats by immersing them in a solution containing the vectors. The amount of AAV vector loaded onto the mats increased as the vector concentration in the solution increased. The loaded AAV vector was steadily released into the cell culture medium over 3 days. The mats incubated for 3 days also showed the ability to transduce into the cells cultured on them. We evaluated the effectiveness of this delivery system by attaching the mats to mouse livers. GFP expression was visible on the surface of the liver beneath the attached mats, but not in areas in direct contact with the mats. These findings suggest that the attachment of AAV vector-loaded electrospun gelatin nanofiber mats to a target site present a promising solution for localized gene delivery while reducing off-target distribution.
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Affiliation(s)
- Kotoko Furuno
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Osaka, Japan
| | | | - Keiichiro Suzuki
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Osaka, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, Osaka, Japan
- Graduate School of Frontier Bioscience, Osaka University, Osaka, Japan
| | - Shinji Sakai
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Osaka, Japan
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Epicoco L, Pellegrino R, Madaghiele M, Friuli M, Giannotti L, Di Chiara Stanca B, Palermo A, Siculella L, Savkovic V, Demitri C, Nitti P. Recent Advances in Functionalized Electrospun Membranes for Periodontal Regeneration. Pharmaceutics 2023; 15:2725. [PMID: 38140066 PMCID: PMC10747510 DOI: 10.3390/pharmaceutics15122725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 11/26/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Periodontitis is a global, multifaceted, chronic inflammatory disease caused by bacterial microorganisms and an exaggerated host immune response that not only leads to the destruction of the periodontal apparatus but may also aggravate or promote the development of other systemic diseases. The periodontium is composed of four different tissues (alveolar bone, cementum, gingiva, and periodontal ligament) and various non-surgical and surgical therapies have been used to restore its normal function. However, due to the etiology of the disease and the heterogeneous nature of the periodontium components, complete regeneration is still a challenge. In this context, guided tissue/bone regeneration strategies in the field of tissue engineering and regenerative medicine have gained more and more interest, having as a goal the complete restoration of the periodontium and its functions. In particular, the use of electrospun nanofibrous scaffolds has emerged as an effective strategy to achieve this goal due to their ability to mimic the extracellular matrix and simultaneously exert antimicrobial, anti-inflammatory and regenerative activities. This review provides an overview of periodontal regeneration using electrospun membranes, highlighting the use of these nanofibrous scaffolds as delivery systems for bioactive molecules and drugs and their functionalization to promote periodontal regeneration.
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Affiliation(s)
- Luana Epicoco
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
- Institute of Medical Physics and Biophysics, University of Leipzig, 04103 Leipzig, Germany
| | - Rebecca Pellegrino
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
| | - Marta Madaghiele
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
| | - Marco Friuli
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
| | - Laura Giannotti
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.G.); (B.D.C.S.); (L.S.)
| | - Benedetta Di Chiara Stanca
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.G.); (B.D.C.S.); (L.S.)
| | - Andrea Palermo
- Implant Dentistry College of Medicine and Dentistry, Birmingham B4 6BN, UK;
| | - Luisa Siculella
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.G.); (B.D.C.S.); (L.S.)
| | - Vuk Savkovic
- Clinic and Polyclinic for Oral and Maxillofacial Plastic Surgery, University Hospital Leipzig, 04103 Leipzig, Germany;
| | - Christian Demitri
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
| | - Paola Nitti
- Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy; (R.P.); (M.M.); (M.F.); (C.D.)
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11
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Alqahtani AM. Guided Tissue and Bone Regeneration Membranes: A Review of Biomaterials and Techniques for Periodontal Treatments. Polymers (Basel) 2023; 15:3355. [PMID: 37631412 PMCID: PMC10457807 DOI: 10.3390/polym15163355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
This comprehensive review provides an in-depth analysis of the use of biomaterials in the processes of guided tissue and bone regeneration, and their indispensable role in dental therapeutic interventions. These interventions serve the critical function of restoring both structural integrity and functionality to the dentition that has been lost or damaged. The basis for this review is laid through the exploration of various relevant scientific databases such as Scopus, PubMed, Web of science and MEDLINE. From a meticulous selection, relevant literature was chosen. This review commences by examining the different types of membranes used in guided bone regeneration procedures and the spectrum of biomaterials employed in these operations. It then explores the manufacturing technologies for the scaffold, delving into their significant impact on tissue and bone regenerations. At the core of this review is the method of guided bone regeneration, which is a crucial technique for counteracting bone loss induced by tooth extraction or periodontal disease. The discussion advances by underscoring the latest innovations and strategies in the field of tissue regeneration. One key observation is the critical role that membranes play in guided reconstruction; they serve as a barrier, preventing the entry of non-ossifying cells, thereby promoting the successful growth and regeneration of bone and tissue. By reviewing the existing literature on biomaterials, membranes, and scaffold manufacturing technologies, this paper illustrates the vast potential for innovation and growth within the field of dental therapeutic interventions, particularly in guided tissue and bone regeneration.
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Affiliation(s)
- Ali M Alqahtani
- Department of Restorative Dental Sciences, College of Dentistry, King Khalid University, Al Fara, Abha 62223, Saudi Arabia
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12
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El-Okaily MS, Mostafa AA, Dulnik J, Denis P, Sajkiewicz P, Mahmoud AA, Dawood R, Maged A. Nanofibrous Polycaprolactone Membrane with Bioactive Glass and Atorvastatin for Wound Healing: Preparation and Characterization. Pharmaceutics 2023; 15:1990. [PMID: 37514176 PMCID: PMC10384954 DOI: 10.3390/pharmaceutics15071990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Skin wound healing is one of the most challenging processes for skin reconstruction, especially after severe injuries. In our study, nanofiber membranes were prepared for wound healing using an electrospinning process, where the prepared nanofibers were made of different weight ratios of polycaprolactone and bioactive glass that can induce the growth of new tissue. The membranes showed smooth and uniform nanofibers with an average diameter of 118 nm. FTIR and XRD results indicated no chemical interactions of polycaprolactone and bioactive glass and an increase in polycaprolactone crystallinity by the incorporation of bioactive glass nanoparticles. Nanofibers containing 5% w/w of bioactive glass were selected to be loaded with atorvastatin, considering their best mechanical properties compared to the other prepared nanofibers (3, 10, and 20% w/w bioactive glass). Atorvastatin can speed up the tissue healing process, and it was loaded into the selected nanofibers using a dip-coating technique with ethyl cellulose as a coating polymer. The study of the in vitro drug release found that atorvastatin-loaded nanofibers with a 10% coating polymer revealed gradual drug release compared to the non-coated nanofibers and nanofibers coated with 5% ethyl cellulose. Integration of atorvastatin and bioactive glass with polycaprolactone nanofibers showed superior wound closure results in the human skin fibroblast cell line. The results from this study highlight the ability of polycaprolactone-bioactive glass-based fibers loaded with atorvastatin to stimulate skin wound healing.
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Affiliation(s)
- Mohamed S El-Okaily
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC), El Bohouth St., Dokki, Giza 12622, Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), National Research Centre (NRC), Giza 12622, Egypt
| | - Amany A Mostafa
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC), El Bohouth St., Dokki, Giza 12622, Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), National Research Centre (NRC), Giza 12622, Egypt
| | - Judyta Dulnik
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research Polish Academy of Sciences, Pawińskiego 5b, 02-106 Warsaw, Poland
| | - Piotr Denis
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research Polish Academy of Sciences, Pawińskiego 5b, 02-106 Warsaw, Poland
| | - Paweł Sajkiewicz
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research Polish Academy of Sciences, Pawińskiego 5b, 02-106 Warsaw, Poland
| | - Azza A Mahmoud
- Pharmaceutics and Pharmaceutical Technology Department, Faculty of Pharmacy, Future University in Egypt, New Cairo 11835, Egypt
| | - Reham Dawood
- Microbial Biotechnology Department, Biotechnology Research Institute, National Research Centre, EL Bohouth St., Dokki, Giza 12622, Egypt
| | - Amr Maged
- Pharmaceutics and Pharmaceutical Technology Department, Faculty of Pharmacy, Future University in Egypt, New Cairo 11835, Egypt
- Pharmaceutical Factory, Faculty of Pharmacy, Future University in Egypt, New Cairo 11835, Egypt
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13
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Sanhueza C, Hermosilla J, Klein C, Chaparro A, Valdivia-Gandur I, Beltrán V, Acevedo F. Osteoinductive Electrospun Scaffold Based on PCL-Col as a Regenerative Therapy for Peri-Implantitis. Pharmaceutics 2023; 15:1939. [PMID: 37514125 PMCID: PMC10386026 DOI: 10.3390/pharmaceutics15071939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Peri-implantitis is a serious condition affecting dental implants that can lead to implant failure and loss of osteointegration if is not diagnosed and treated promptly. Therefore, the development of new materials and approaches to treat this condition is of great interest. In this study, we aimed to develop an electrospun scaffold composed of polycaprolactone (PCL) microfibers loaded with cholecalciferol (Col), which has been shown to promote bone tissue regeneration. The physical and chemical properties of the scaffold were characterized, and its ability to support the attachment and proliferation of MG-63 osteoblast-like cells was evaluated. Our results showed that the electrospun PCL-Col scaffold had a highly porous structure and good mechanical properties. The resulting scaffolds had an average fiber diameter of 2-9 μm and high elongation at break (near six-fold under dry conditions) and elasticity (Young modulus between 0.9 and 9 MPa under dry conditions). Furthermore, the Col-loaded scaffold was found to decrease cell proliferation when the Col content in the scaffolds increased. However, cytotoxicity analysis proved that the PCL scaffold on its own releases more lactate dehydrogenase into the medium than the scaffold containing Col at lower concentrations (PCL-Col A, PCL-Col B, and PCL-Col C). Additionally, the Col-loaded scaffold was shown to effectively promote the expression of alkaline phosphatase and additionally increase the calcium fixation in MG-63 cells. Our findings suggest that the electrospun membrane loaded with Col can potentially treat peri-implantitis by promoting bone formation. However, further studies are needed to assess the efficacy and safety of this membrane in vivo.
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Affiliation(s)
- Claudia Sanhueza
- Center of Excellence in Translational Medicine-Scientific and Technology Bioresource Nucleus (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile
| | - Jeyson Hermosilla
- Doctorado en Ciencias de Recursos Naturales, Universidad de La Frontera, Casilla 54-F, Temuco 4780000, Chile
| | - Catherine Klein
- Department of Periodontology, Center for Biomedical Research, Faculty of Dentistry, Universidad de Los Andes, Av. Plaza 2501, Las Condes, Santiago 7620157, Chile
| | - Alejandra Chaparro
- Department of Periodontology, Center for Biomedical Research, Faculty of Dentistry, Universidad de Los Andes, Av. Plaza 2501, Las Condes, Santiago 7620157, Chile
| | - Iván Valdivia-Gandur
- Biomedical Department, Universidad de Antofagasta, Avenida Angamos 601, Antofagasta 1270300, Chile
| | - Víctor Beltrán
- Clinical Investigation and Dental Innovation Center (CIDIC), Dental School, Universidad de La Frontera, Temuco 4780000, Chile
| | - Francisca Acevedo
- Center of Excellence in Translational Medicine-Scientific and Technology Bioresource Nucleus (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile
- Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Casilla 54-D, Temuco 4780000, Chile
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14
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Prado-Prone G, Silva-Bermudez P, Rodil SE, Ganjkhani Y, Moradi AR, Méndez FJ, García-Macedo JA, Bazzar M, Almaguer-Flores A. ZnO nanoparticles-modified polycaprolactone-gelatin membranes for guided/bone tissue regeneration, antibacterial and osteogenic differentiation properties. Biomed Phys Eng Express 2023; 9. [PMID: 36821850 DOI: 10.1088/2057-1976/acbe47] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 02/23/2023] [Indexed: 02/25/2023]
Abstract
Periodontitis is a highly prevalent infectious disease that causes the progressive destruction of the periodontal supporting tissues. If left untreated, it can lead to tooth loss impairing oral function, aesthetics, and the patient's overall quality of life. Guided and Bone Tissue Regeneration (GTR/BTR) are surgical therapies based on the placement of a membrane that prevents epithelial growth into the defect, allowing the periodontal/bone cells (including stem cells) to regenerate or restore the affected tissues. The success of these therapies is commonly affected by the local bacterial colonization of the membrane area and its fast biodegradation, causing postoperative infections and a premature rupture of the membrane limiting the regeneration process. This study presents the antibacterial and osteogenic differentiation properties of polycaprolactone-gelatin (PCL-G) electrospun membranes modified with ZnO nanoparticles (ZnO-NPs). The membranes´ chemical composition, surface roughness, biodegradation, water wettability, and mechanical properties under simulated physiological conditions, were analyzed by the close relationship with their biological properties. The PCL-G membranes modified with 1, 3, and 6% w/w of ZnO-NPs showed a significant reduction in the planktonic and biofilm formation of four clinically relevant bacteria;A. actinomycetemcomitansserotype b, P. gingivalis,E. coli, andS. epidermidis. Additionally, the membranes presented appropriate mechanical properties and biodegradation rates to be potentially used in clinical treatments. Notably, the membranes modified with the lowest concentration of ZnO-NPs (1% w/w) stimulated the production of osteoblast markers and calcium deposits in human bone marrow-derived mesenchymal stem cells (BM-MSC) and were biocompatible to human osteoblasts cells (hFOB). These results suggest that the PCL-G membranes with 1% w/w of ZnO-NPs are high-potential candidates for GTR/BTR treatments, as they were the most effective in terms of better antibacterial effectiveness at a lower NPs-concentration while creating a favorable cellular microenvironment for bone growth.
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Affiliation(s)
- Gina Prado-Prone
- Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México. Circuito exterior s/n, Ciudad Universitaria, 04510, Ciudad de México, Mexico
| | - Phaedra Silva-Bermudez
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa; Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra; Av. México Xochimilco No. 289 Col. Arenal de Guadalupe C.P. 14389, Ciudad de México, Mexico
| | - Sandra E Rodil
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México; Ciudad Universitaria No. 3000, C.P. 04360, Ciudad de México, Mexico
| | - Yasaman Ganjkhani
- Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran.,Institut für Technische Optik, Universitat Stuttgart, Pfaffenwaldring 9, 70569, Stuttgart, Germany
| | - Ali-Reza Moradi
- Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - Franklin J Méndez
- Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, CICATA-Unidad Morelos, Instituto Politécnico Nacional, Boulevard de la Tecnología 1036 Z-1 P 2/2, Atlacholoaya 62790, Xochitepec, Mexico
| | - Jorge A García-Macedo
- Departamento de Estado Sólido, Instituto de Física, Universidad Nacional Autónoma de México; Circuito exterior s/n, Ciudad Universitaria, 04510, Ciudad de México, Mexico
| | - Masoomeh Bazzar
- School of Chemistry, University of East Anglia, Norwich Research Park, NR4 7TJ Norwich, United Kingdom
| | - Argelia Almaguer-Flores
- Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México. Circuito exterior s/n, Ciudad Universitaria, 04510, Ciudad de México, Mexico
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15
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Development of electrospun Plectranthus amboinicus loaded PCL polymeric nanofibrous scaffold for skin wound healing application: in-vitro and in-silico analysis. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-023-03474-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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16
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Sun S, Yuan Q, Li X, Wang X, Wu S, Chen S, Ma J, Zhou F. Curcumin Functionalized Electrospun Fibers with Efficient pH Real-Time Monitoring and Antibacterial and Anti-inflammatory Properties. ACS Biomater Sci Eng 2023; 9:474-484. [PMID: 36487189 DOI: 10.1021/acsbiomaterials.2c00759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Wound infection has threatened the health of humans, and developing novel dressings by integrating infection detection and wound treatment in biomaterials is urgently required in the medical industry. In this study, we report a facile strategy to develop curcumin functionalized poly(ε-caprolactone) and gelatin composite fibrous membranes with pH real-time monitoring and antibacterial and anti-inflammatory properties. The developed curcumin-functionalized composite fibers displayed highly sensitive and visible response to the variation of the pH value of a buffer solution in the range of 5.6-8.6. In addition, the resultant fibrous membrane showed obviously enhanced antibacterial efficiency against both E. coli and S. aureus and no obvious cytotoxicity to human dermal fibroblasts when the curcumin content was less than 5 wt %. More importantly, 3 wt % curcumin-functionalized composite membrane exhibited excellent anti-inflammatory activities, good antioxidant activity of ca. 82%, and significantly decreased expression levels of pro-inflammatory cytokines like TNF-α and IL-6 in vitro (p < 0.001). Furthermore, subcutaneous embedding experiments showed that the 3 wt % curcumin-functionalized membrane significantly promoted cell penetration, recruited less macrophages, and facilitated collage deposition. Therefore, the curcumin-functionalized composite fibers could be employed to fabricate multifunctional dressings for the future treatment of chronic wounds.
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Affiliation(s)
- Shibin Sun
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Qifan Yuan
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Xueyan Li
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Xueqin Wang
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Shaohua Wu
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Shaojuan Chen
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
| | - Jianwei Ma
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China.,Shandong Center for Engineered Nonwovens, Qingdao, 266071, P. R. China
| | - Fang Zhou
- College of Textiles and Clothing, Qingdao University, Qingdao266061, P. R. China
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17
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Jiffrin R, Razak SIA, Jamaludin MI, Hamzah ASA, Mazian MA, Jaya MAT, Nasrullah MZ, Majrashi M, Theyab A, Aldarmahi AA, Awan Z, Abdel-Daim MM, Azad AK. Electrospun Nanofiber Composites for Drug Delivery: A Review on Current Progresses. Polymers (Basel) 2022; 14:polym14183725. [PMID: 36145871 PMCID: PMC9506405 DOI: 10.3390/polym14183725] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/29/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
A medication’s approximate release profile should be sustained in order to generate the desired therapeutic effect. The drug’s release site, duration, and rate must all be adjusted to the drug’s therapeutic aim. However, when designing drug delivery systems, this may be a considerable hurdle. Electrospinning is a promising method of creating a nanofibrous membrane since it enables drugs to be placed in the nanofiber composite and released over time. Nanofiber composites designed through electrospinning for drug release purposes are commonly constructed of simple structures. This nanofiber composite produces matrices with nanoscale fiber structure, large surface area to volume ratio, and a high porosity with small pore size. The nanofiber composite’s large surface area to volume ratio can aid with cell binding and multiplication, drug loading, and mass transfer processes. The nanofiber composite acts as a container for drugs that can be customized to a wide range of drug release kinetics. Drugs may be electrospun after being dissolved or dispersed in the polymer solution, or they can be physically or chemically bound to the nanofiber surface. The composition and internal structure of the nanofibers are crucial for medicine release patterns.
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Affiliation(s)
- Renatha Jiffrin
- Bioinspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81300, Johor, Malaysia
| | - Saiful Izwan Abd Razak
- Bioinspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81300, Johor, Malaysia
- Sports Innovation & Technology Center, Institute of Human Centered Engineering, Universiti Teknologi Malaysia, Skudai 81300, Johor, Malaysia
- Correspondence: (S.I.A.R.); (M.M.A.-D.); (A.K.A.)
| | - Mohamad Ikhwan Jamaludin
- Bioinspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai 81300, Johor, Malaysia
| | - Amir Syahir Amir Hamzah
- Nanobiotechnology Research Group, Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Muadz Ahmad Mazian
- Faculty of Applied Science, Universiti Teknologi MARA, Cawangan Negeri Sembilan, Kampus Kuala Pilah, Kuala Pilah 72000, Negeri Sembilan, Malaysia
| | | | - Mohammed Z. Nasrullah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammed Majrashi
- Department of Pharmacology, Faculty of Medicine, University of Jeddah, Jeddah 23881, Saudi Arabia
| | - Abdulrahman Theyab
- Department of Laboratory & Blood Bank, Security Forces Hospital, P.O. Box 14799, Mecca 21955, Saudi Arabia
- College of Medicine, Al-Faisal University, P.O. Box 50927, Riyadh 11533, Saudi Arabia
| | - Ahmed A. Aldarmahi
- Basic Science Department, College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences, National Guard-Health Affairs, P.O. Box 9515, Jeddah 21423, Saudi Arabia
| | - Zuhier Awan
- Department of Clinical Biochemistry, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (S.I.A.R.); (M.M.A.-D.); (A.K.A.)
| | - Abul Kalam Azad
- Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, Jenjarom 42610, Selangor, Malaysia
- Correspondence: (S.I.A.R.); (M.M.A.-D.); (A.K.A.)
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18
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Jaisankar E, Azarudeen RS, Thirumarimurugan M. A Study on the Effect of Nanoscale MgO and Hydrogen Bonding in Nanofiber Mats for the Controlled Drug Release along with In Vitro Breast Cancer Cell Line and Antimicrobial Studies. ACS APPLIED BIO MATERIALS 2022; 5:4327-4341. [PMID: 36062471 DOI: 10.1021/acsabm.2c00519] [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: 11/28/2022]
Abstract
Nanosized metal oxide-incorporated drug carriers have received significant attention due to their biocompatibility, mechanical strength, controlled drug release, and biodegradability. Herein, an attempt was made to fabricate polycaprolactone-based electrospun nanofiber mats involving the 5-fluorouracil (5Fu) drug, MgO nanoparticle, methyl cellulose, and polyethylene glycol. The chemical interactions, surface wettability, mechanical properties, structural and morphological changes, and thermal stability were studied by the respective analyses. The ionic interaction between 5Fu, MgO, and polymers were found to be responsible for the controlled drug release. Zero-order kinetic and model data also revealed that a controlled drug release pattern was observed in a period of 16 days. Furthermore, the nanofiber mats were subjected to cytotoxicity studies against MDA-MB-231 cancer cell line and the results showed higher cytotoxicity in a short time of 24 h and less toxicity to normal L929 fibroblast cell line. The apoptosis in cancer cell lines was also tested by AO/PI staining assay and confirmed by fluorescence microscopy. In addition, the growth inhibition of several bacterial and fungal strains was tested for the mats and the results exhibited good inhibition activity. Hence, the reported nanofiber drug carrier was found to be an efficient implant for the controlled release of anticancer drug along with other significant properties.
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Affiliation(s)
- Edumpan Jaisankar
- Department of Chemical Engineering, Coimbatore Institute of Technology, Coimbatore 641 014, Tamil Nadu, India
| | - Raja Sulaiman Azarudeen
- Department of Chemical Engineering, Coimbatore Institute of Technology, Coimbatore 641 014, Tamil Nadu, India
- Department of Chemistry, Coimbatore Institute of Technology, Coimbatore 641 014, Tamil Nadu, India
| | - Marimuthu Thirumarimurugan
- Department of Chemical Engineering, Coimbatore Institute of Technology, Coimbatore 641 014, Tamil Nadu, India
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19
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Dias JR, Sousa A, Augusto A, Bártolo PJ, Granja PL. Electrospun Polycaprolactone (PCL) Degradation: An In Vitro and In Vivo Study. Polymers (Basel) 2022; 14:polym14163397. [PMID: 36015652 PMCID: PMC9415937 DOI: 10.3390/polym14163397] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022] Open
Abstract
Polycaprolactone (PCL) is widely used in tissue engineering due to its interesting properties, namely biocompatibility, biodegradability, elastic nature, availability, cost efficacy, and the approval of health authorities such as the American Food and Drug Administration (FDA). The PCL degradation rate is not the most adequate for specific applications such as skin regeneration due to the hydrophobic nature of bulk PCL. However, PCL electrospun fiber meshes, due to their low diameters resulting in high surface area, are expected to exhibit a fast degradation rate. In this work, in vitro and in vivo degradation studies were performed over 90 days to evaluate the potential of electrospun PCL as a wound dressing. Enzymatic and hydrolytic degradation studies in vitro, performed in a static medium, demonstrated the influence of lipase, which promoted a rate of degradation of 97% for PCL meshes. In an in vivo scenario, the degradation was slower, although the samples were not rejected, and were well-integrated in the surrounding tissues inside the subcutaneous pockets specifically created.
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Affiliation(s)
- Juliana R. Dias
- Center for Rapid and Sustainable Product Development (CDRsp), Polytechnic Institute of Leiria, 2030-028 Marinha Grande, Portugal
- Correspondence:
| | - Aureliana Sousa
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, 4200-135 Porto, Portugal
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal
| | - Ana Augusto
- MARE-Marine and Environmental Sciences Center, ARNET, ESTM, Instituto Politécnico de Leiria, 2520-630 Peniche, Portugal
| | - Paulo J. Bártolo
- Singapore Center for 3D Printing, Nanyang Technological University, 22 Jurong West, Singapore 639798, Singapore
| | - Pedro L. Granja
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, 4200-135 Porto, Portugal
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal
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20
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Chandika P, Khan F, Heo SY, Kim YM, Yi M, Jung WK. Enhanced wound-healing capability with inherent antimicrobial activities of usnic acid incorporated poly(ε-caprolactone)/decellularized extracellular matrix nanofibrous scaffold. BIOMATERIALS ADVANCES 2022; 140:213046. [PMID: 35930818 DOI: 10.1016/j.bioadv.2022.213046] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/30/2022] [Accepted: 07/20/2022] [Indexed: 12/22/2022]
Abstract
An extracellular matrix-mimicking, biodegradable tissue-engineered skin substitute with improved antibacterial, antibiofilm, and wound healing capabilities is essential in skin tissue regeneration applications. The purpose of this study was to develop a novel biodegradable composite nanofibrous poly(ε-caprolactone) (PCL)/decellularized extracellular matrix (dECM) scaffolds loaded with usnic acid (UA); (PEU), where UA is employed as an antibacterial agent as well as a wound-healing accelerator. The architecture and fiber structure of the scaffolds were examined using scanning electron microscopy, and the results revealed that the average diameters decreased as the dECM content increased. The chemical composition, changes in the crystalline structure, homogeneity, and thermal stability of the nanofiber scaffolds with different material compositions were determined using Fourier-transform infrared spectroscopy, X-ray diffraction, differential scanning calorimetry, and thermogravimetric analysis, respectively. The composite nanofibrous scaffolds exhibited strong antibacterial activity against various bacterial species, such as Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus mutans, and Cutibactrium acnes, and fungal pathogens (such as Candida albicans). Additionally, the composite nanofibrous scaffolds exhibited biofilm inhibition properties against Klebsiella pneumoniae and Pseudomonas aeruginosa. An evaluation of the appearance of in vivo full-thickness excisional wounds treated with the composite nanofiber scaffolds, as well as a histological analysis of the wounds 21 days after surgery, revealed that treatment with nanofibrous PEU scaffolds enhanced wound healing. This study reveals that the proposed composite nanofibrous PEU scaffold has substantial potential for treating infectious full-thickness wounds.
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Affiliation(s)
- Pathum Chandika
- Major of Biomedical Engineering, Division of Smart Healthcare and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
| | - Fazlurrahman Khan
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Seong-Yong Heo
- Jeju Marine Research Center, Korea Institute of Ocean Science & Technology, Jeju 63349, Republic of Korea
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea; Major of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Myunggi Yi
- Major of Biomedical Engineering, Division of Smart Healthcare and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
| | - Won-Kyo Jung
- Major of Biomedical Engineering, Division of Smart Healthcare and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
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21
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Mohamadinooripoor R, Kashanian S, Moradipour P, Sajadimajd S, Arkan E, Tajehmiri A, Rashidi K. Novel elastomeric fibrous composites of poly-ε-caprolactone/propolis and their evaluation for biomedical applications. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03165-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Chitosan IR806 dye-based polyelectrolyte complex nanoparticles with mitoxantrone combination for effective chemo-photothermal therapy of metastatic triple-negative breast cancer. Int J Biol Macromol 2022; 216:558-570. [PMID: 35809672 DOI: 10.1016/j.ijbiomac.2022.07.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 06/29/2022] [Accepted: 07/03/2022] [Indexed: 11/21/2022]
Abstract
Chemo-photothermal therapy is one of the emerging therapies for treating triple-negative breast cancer. In this study, we have used ionotropic gelation method to fabricate chitosan and IR806 dye-based polyelectrolyte complex (CIR-PEx) nanoparticles. These nano-complexes were in size range of 125 ± 20 nm. The complexation of IR 806 dye with chitosan improved photostability, photothermal transduction, and showed excellent biocompatibility. Cancer cells treated with CIR-PEx NPs enhanced intracellular uptake within 5 h of incubation and also displayed mitochondrial localization. With the combination of CIR-PEx NPs and a chemotherapeutic agent (i.e., mitoxantrone, MTX), a significant decline in cancer cell viability was observed in both 2D and 3D cell culture models. The chemo-photothermal effect of CIR-PEx NPs + MTX augmented apoptosis in cancer cells when irradiated with NIR light. Furthermore, when tested in the 4 T1-tumor model, the chemo-photothermal therapy showed a drastic decline in tumor volume and inhibited metastatic lung nodules. The localized hyperthermia caused by photothermal therapy reduced the primary tumor burden, and the chemotherapeutic activity of mitoxantrone further complemented by inhibiting the spread of cancer cells. The proposed chemo-photothermal therapy combination could be a promising strategy for treating triple-negative metastatic breast cancer.
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23
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He H, Zhang X, Du L, Ye M, Lu Y, Xue J, Wu J, Shuai X. Molecular imaging nanoprobes for theranostic applications. Adv Drug Deliv Rev 2022; 186:114320. [PMID: 35526664 DOI: 10.1016/j.addr.2022.114320] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 04/11/2022] [Accepted: 04/30/2022] [Indexed: 12/13/2022]
Abstract
As a non-invasive imaging monitoring method, molecular imaging can provide the location and expression level of disease signature biomolecules in vivo, leading to early diagnosis of relevant diseases, improved treatment strategies, and accurate assessment of treating efficacy. In recent years, a variety of nanosized imaging probes have been developed and intensively investigated in fundamental/translational research and clinical practice. Meanwhile, as an interdisciplinary discipline, this field combines many subjects of chemistry, medicine, biology, radiology, and material science, etc. The successful molecular imaging not only requires advanced imaging equipment, but also the synthesis of efficient imaging probes. However, limited summary has been reported for recent advances of nanoprobes. In this paper, we summarized the recent progress of three common and main types of nanosized molecular imaging probes, including ultrasound (US) imaging nanoprobes, magnetic resonance imaging (MRI) nanoprobes, and computed tomography (CT) imaging nanoprobes. The applications of molecular imaging nanoprobes were discussed in details. Finally, we provided an outlook on the development of next generation molecular imaging nanoprobes.
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Affiliation(s)
- Haozhe He
- Nanomedicine Research Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China; Department of Pediatrics, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
| | - Xindan Zhang
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Lihua Du
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510260, China
| | - Minwen Ye
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yonglai Lu
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiajia Xue
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jun Wu
- PCFM Lab of Ministry of Education, School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China.
| | - Xintao Shuai
- Nanomedicine Research Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China; PCFM Lab of Ministry of Education, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510260, China.
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24
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Hernandez JL, Woodrow KA. Medical Applications of Porous Biomaterials: Features of Porosity and Tissue-Specific Implications for Biocompatibility. Adv Healthc Mater 2022; 11:e2102087. [PMID: 35137550 PMCID: PMC9081257 DOI: 10.1002/adhm.202102087] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/17/2021] [Indexed: 12/14/2022]
Abstract
Porosity is an important material feature commonly employed in implants and tissue scaffolds. The presence of material voids permits the infiltration of cells, mechanical compliance, and outward diffusion of pharmaceutical agents. Various studies have confirmed that porosity indeed promotes favorable tissue responses, including minimal fibrous encapsulation during the foreign body reaction (FBR). However, increased biofilm formation and calcification is also described to arise due to biomaterial porosity. Additionally, the relevance of host responses like the FBR, infection, calcification, and thrombosis are dependent on tissue location and specific tissue microenvironment. In this review, the features of porous materials and the implications of porosity in the context of medical devices is discussed. Common methods to create porous materials are also discussed, as well as the parameters that are used to tune pore features. Responses toward porous biomaterials are also reviewed, including the various stages of the FBR, hemocompatibility, biofilm formation, and calcification. Finally, these host responses are considered in tissue specific locations including the subcutis, bone, cardiovascular system, brain, eye, and female reproductive tract. The effects of porosity across the various tissues of the body is highlighted and the need to consider the tissue context when engineering biomaterials is emphasized.
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Affiliation(s)
- Jamie L Hernandez
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98195, USA
| | - Kim A Woodrow
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98195, USA
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25
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Barrier Membrane in Regenerative Therapy: A Narrative Review. MEMBRANES 2022; 12:membranes12050444. [PMID: 35629770 PMCID: PMC9143924 DOI: 10.3390/membranes12050444] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 02/01/2023]
Abstract
Guided bone and tissue regeneration remains an integral treatment modality to regenerate bone surrounding teeth and dental implants. Barrier membranes have been developed and produced commercially to allow space for bone regeneration and prevent the migration of unwanted cells. Ideal membrane properties, including biocompatibility, sufficient structural integrity and suitable shelf life with easy clinical application, are important to ensure good clinical regenerative outcomes. Membranes have various types, and their clinical application depends on the origin, material, structure and properties. This narrative review aims to describe the currently available barrier membranes in terms of history, main features, types, indication and clinical application and classify them into various groups. Various membranes, including those which are resorbable and non-resorbable, synthetic, added with growth factors and composed of modern materials, such as high-grade polymer (Polyetheretherketone), are explored in this review.
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26
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Benecke L, Chen Z, Zeidler-Rentzsch I, von Witzleben M, Bornitz M, Zahnert T, Neudert M, Cherif C, Aibibu D. Development of electrospun, biomimetic tympanic membrane implants with tunable mechanical and oscillatory properties for myringoplasty. Biomater Sci 2022; 10:2287-2301. [PMID: 35363238 DOI: 10.1039/d1bm01815a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Most commonly, autologous grafts are used in tympanic membrane (TM) reconstruction. However, apart from the limited availability and the increased surgical risk, they cannot replicate the full functionality of the human TM properly. Hence, biomimetic synthetic TM implants have been developed in our project to overcome these drawbacks. These innovative TM implants are made from synthetic biopolymer polycaprolactone (PCL) and silk fibroin (SF) by electrospinning technology. Static and dynamic experiments have shown that the mechanical and oscillatory behavior of the TM implants can be tuned by adjusting the solution concentration, the SF and PCL mixing ratio and the electrospinning parameters. In addition, candidates for TM implants could have comparable acousto-mechanical properties to human TMs. Finally, these candidates were further validated in in vitro experiments by performing TM reconstruction in human cadaver temporal bones. The reconstructed TM with SF-PCL blend membranes fully recovered the acoustic vibration when the perforation was smaller than 50%. Furthermore, the handling, medium adhesion and transparency of the developed TM implants were similar to those of human TMs.
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Affiliation(s)
- Lukas Benecke
- Technische Universität Dresden, Faculty of Mechanical Science and Engineering, Institute of Textile Machinery and High Performance Material Technology, Breitscheidstraße 78, 01237 Dresden, Germany.
| | - Zhaoyu Chen
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Department of Otorhinolaryngology, Head and Neck Surgery, Ear Research Center Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Ines Zeidler-Rentzsch
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Department of Otorhinolaryngology, Head and Neck Surgery, Ear Research Center Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Max von Witzleben
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Center for Translational Bone, Joint and Soft Tissue Research, Fetscherstraße 74, 01307 Dresden, Germany
| | - Matthias Bornitz
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Department of Otorhinolaryngology, Head and Neck Surgery, Ear Research Center Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Thomas Zahnert
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Department of Otorhinolaryngology, Head and Neck Surgery, Ear Research Center Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Marcus Neudert
- Technische Universität Dresden, Carl Gustav Carus Faculty of Medicine, Department of Otorhinolaryngology, Head and Neck Surgery, Ear Research Center Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Chokri Cherif
- Technische Universität Dresden, Faculty of Mechanical Science and Engineering, Institute of Textile Machinery and High Performance Material Technology, Breitscheidstraße 78, 01237 Dresden, Germany.
| | - Dilbar Aibibu
- Technische Universität Dresden, Faculty of Mechanical Science and Engineering, Institute of Textile Machinery and High Performance Material Technology, Breitscheidstraße 78, 01237 Dresden, Germany.
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Toledano-Osorio M, Vallecillo C, Vallecillo-Rivas M, Manzano-Moreno FJ, Osorio R. Antibiotic-Loaded Polymeric Barrier Membranes for Guided Bone/Tissue Regeneration: A Mini-Review. Polymers (Basel) 2022; 14:polym14040840. [PMID: 35215754 PMCID: PMC8963018 DOI: 10.3390/polym14040840] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 02/01/2023] Open
Abstract
Polymeric membranes are frequently used for bone regeneration in oral and periodontal surgery. Polymers provide adequate mechanical properties (i.e., Young’s modulus) to support oral function and also pose some porosity with interconnectivity to permit for cell proliferation and migration. Bacterial contamination of the membrane is an event that may lead to infection at the bone site, hindering the clinical outcomes of the regeneration procedure. Therefore, polymeric membranes have been proposed as carriers for local antibiotic therapy. A literature search was performed for papers, including peer-reviewed publications. Among the different membranes, collagen is the most employed biomaterial. Collagen membranes and expanded polytetrafluoroethylene loaded with tetracyclines, and polycaprolactone with metronidazole are the combinations that have been assayed the most. Antibiotic liberation is produced in two phases. A first burst release is sometimes followed by a sustained liberation lasting from 7 to 28 days. All tested combinations of membranes and antibiotics provoke an antibacterial effect, but most of the time, they were measured against single bacteria cultures and usually non-specific pathogenic bacteria were employed, limiting the clinical relevance of the attained results. The majority of the studies on animal models state a beneficial effect of these antibiotic functionalized membranes, but human clinical assays are scarce and controversial.
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Affiliation(s)
- Manuel Toledano-Osorio
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18071 Granada, Spain; (M.T.-O.); (C.V.); (M.V.-R.); (R.O.)
| | - Cristina Vallecillo
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18071 Granada, Spain; (M.T.-O.); (C.V.); (M.V.-R.); (R.O.)
| | - Marta Vallecillo-Rivas
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18071 Granada, Spain; (M.T.-O.); (C.V.); (M.V.-R.); (R.O.)
| | - Francisco-Javier Manzano-Moreno
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18071 Granada, Spain; (M.T.-O.); (C.V.); (M.V.-R.); (R.O.)
- Biomedical Group (BIO277), Department of Stomatology, Facultad de Odontología, University of Granada, 18071 Granada, Spain
- Instituto Investigación Biosanitaria ibs.GRANADA, University of Granada, C/Doctor Azpitarte 4, Planta, 18012 Granada, Spain
- Correspondence:
| | - Raquel Osorio
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18071 Granada, Spain; (M.T.-O.); (C.V.); (M.V.-R.); (R.O.)
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28
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Mahdieh Z, Postma B, Herritt LA, Hamilton RF, Harkema JR, Holian A. Hyperspectral microscopy of subcutaneously released silver nanoparticles reveals sex differences in drug distribution. Micron 2022; 153:103193. [PMID: 34929618 PMCID: PMC8783642 DOI: 10.1016/j.micron.2021.103193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/24/2021] [Accepted: 11/24/2021] [Indexed: 02/03/2023]
Abstract
Biomaterials have a great potential to improve human health, however in vitro and in vivo studies are necessary to provide information on their efficacy and safety. This study reports on a comprehensive evaluation of core-shell electrospun fibers loaded with silver nanoparticles (Ag NP) where the delivery rate was controlled by different sizes of Ag NP and thermoresponsive poly(n-isopropylacrylamide) (PNIPAM) hydrogel particles. Fiber meshes also contain zinc oxide nanoparticles (ZnO NP), to improve pore structure for controlled release of Ag NP. In vitro cytotoxicity studies using cultured human A549 epithelial cells demonstrated that the ZnO NP component, which is known to cause cytotoxicity, of the fiber meshes did cause measurable cell death. In vitro antibacterial efficacy of the fiber meshes was shown with rapid and efficient growth inhibition in E. coli bacterial culture. Fiber meshes were implanted subcutaneously for up to 27 days in male and female C57BL/6 mice to evaluate the in vivo drug release and biocompatibility. Hyperspectral microscopy was used as an advanced tool to determine precise location of released Ag NP into the skin compared to the conventional tissue staining methods. Results suggested that Ag NP were continuously released over 27 days of implantation in mice. Hyperspectral imaging revealed that released Ag NP dispersed in the dermis of male mice, however, Ag NP accumulated in the hair follicles of female mice (Figure). Mice implanted with fiber meshes containing ZnO NP had better hair regrowth and wound healing, which was in contrast to in vitro cytotoxicity results. These findings suggest that these newly developed fiber meshes can have unique long-term release of drugs loaded in the fiber core and appear to be biocompatible. The differences in the sex-bias outcome suggest the opportunity for development of sex-specific drug delivery systems.
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Affiliation(s)
- Zahra Mahdieh
- Materials Science Program, Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA.
| | - Britten Postma
- Center for Environmental Health Sciences, Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA.
| | - Lou A Herritt
- Center for Environmental Health Sciences, Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA.
| | - Raymond F Hamilton
- Center for Environmental Health Sciences, Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA.
| | - Jack R Harkema
- Department of Pathobiology and Diagnostic Investigation, Michigan State University, 212 Food Safety and Toxicology Building, East Lansing, 48824, MI, USA.
| | - Andrij Holian
- Center for Environmental Health Sciences, Department of Biomedical and Pharmaceutical Sciences, University of Montana, 32 Campus Drive, Missoula, MT, 59812, USA.
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29
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Malekahmadi B, Esfahanian V, Ejeian F, Dastgurdi ME, Agheb M, Kaveian F, Rafienia M, Nasr-Esfahani MH. In Vitro Study of the Recruitment and Expansion of Mesenchymal Stem Cells at the Interface of a Cu-Doped PCL-Bioglass Scaffold. Biomimetics (Basel) 2022; 7:biomimetics7010019. [PMID: 35225912 PMCID: PMC8883986 DOI: 10.3390/biomimetics7010019] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 01/01/2022] [Accepted: 01/07/2022] [Indexed: 11/16/2022] Open
Abstract
Developing new barrier membranes with improved biomechanical characteristics has acquired much interest owing to their crucial role in the field of periodontal tissue regeneration. In this regard, we enriched the electrospun polycaprolactone (PCL)/gelatin (Gel) membranes by adding bioglass (BG) or Cu-doped bioglass (CuBG) and examined their cellular adhesion and proliferation potential in the presence of alveolar bone marrow-derived mesenchymal stem cells (aBMSCs). The membranes were fabricated and characterized using mechanical strength, SEM, FTIR, EDX, and ICP assay. Besides, aBMSCs were isolated, characterized, and seeded with a density of 35,000 cells in each experimental group. Next, the cellular morphology, cell adhesion capacity, proliferation rate, and membrane antibacterial activity were assessed. The results displayed a significant improvement in the wettability, pore size, and Young’s modulus of the PCL membrane following the incorporation of gelatin and CuBG particles. Moreover, all scaffolds exhibited reasonable biocompatibility and bioactivity in physiological conditions. Although the PCL/Gel/CuBG membrane revealed the lowest primary cell attachment, cells were grown properly and reached the confluent state after seven days. In conclusion, we found a reasonable level of attachment and proliferation of aBMSCs on all modified membranes. Meanwhile, a trace amount of Cu provided superiority for PCL/Gel/CuBG in periodontal tissue regeneration.
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Affiliation(s)
- Behnaz Malekahmadi
- Isfahan (Khorasgan) Branch, Dental School, Islamic Azad University, Isfahan 8155139998, Iran;
- Cell Science Research Center, Department of Animal Biotechnology, Royan Institute for Biotechnology, ACECR, Isfahan 8159358686, Iran;
| | - Vahid Esfahanian
- Isfahan (Khorasgan) Branch, Department of Periodontics, Dental School, Islamic Azad University, Isfahan 8155139998, Iran
- Correspondence: (V.E.); (M.H.N.-E.); Tel.: +98-31-95015680 (M.H.N.-E.); Fax: +98-31-95015687 (M.H.N.-E.)
| | - Fatemeh Ejeian
- Cell Science Research Center, Department of Animal Biotechnology, Royan Institute for Biotechnology, ACECR, Isfahan 8159358686, Iran;
| | | | - Maria Agheb
- Department of Biomaterials, Tissue Engineering and Nanotechnology, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran;
| | - Faranak Kaveian
- Biosensor Research Center, Isfahan University of Medical Science, Isfahan 8174673461, Iran; (F.K.); (M.R.)
| | - Mohammad Rafienia
- Biosensor Research Center, Isfahan University of Medical Science, Isfahan 8174673461, Iran; (F.K.); (M.R.)
| | - Mohammad Hossein Nasr-Esfahani
- Cell Science Research Center, Department of Animal Biotechnology, Royan Institute for Biotechnology, ACECR, Isfahan 8159358686, Iran;
- Correspondence: (V.E.); (M.H.N.-E.); Tel.: +98-31-95015680 (M.H.N.-E.); Fax: +98-31-95015687 (M.H.N.-E.)
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30
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Finding the Perfect Membrane: Current Knowledge on Barrier Membranes in Regenerative Procedures: A Descriptive Review. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12031042] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Guided tissue regeneration (GTR) and guided bone regeneration (GBR) became common procedures in the corrective phase of periodontal treatment. In order to obtain good quality tissue neo-formation, most techniques require the use of a membrane that will act as a barrier, having as a main purpose the blocking of cell invasion from the gingival epithelium and connective tissue into the newly formed bone structure. Different techniques and materials have been developed, aiming to obtain the perfect barrier membrane. The membranes can be divided according to the biodegradability of the base material into absorbable membranes and non-absorbable membranes. The use of absorbable membranes is extremely widespread due to their advantages, but in clinical situations of significant tissue loss, the use of non-absorbable membranes is often still preferred. This descriptive review presents a synthesis of the types of barrier membranes available and their characteristics, as well as future trends in the development of barrier membranes along with some allergological aspects of membrane use.
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31
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Solomon SM, Sufaru IG, Teslaru S, Ghiciuc CM, Stafie CS. Finding the Perfect Membrane: Current Knowledge on Barrier Membranes in Regenerative Procedures: A Descriptive Review. APPLIED SCIENCES-BASEL 2022. [DOI: https://doi.org/10.3390/app12031042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Guided tissue regeneration (GTR) and guided bone regeneration (GBR) became common procedures in the corrective phase of periodontal treatment. In order to obtain good quality tissue neo-formation, most techniques require the use of a membrane that will act as a barrier, having as a main purpose the blocking of cell invasion from the gingival epithelium and connective tissue into the newly formed bone structure. Different techniques and materials have been developed, aiming to obtain the perfect barrier membrane. The membranes can be divided according to the biodegradability of the base material into absorbable membranes and non-absorbable membranes. The use of absorbable membranes is extremely widespread due to their advantages, but in clinical situations of significant tissue loss, the use of non-absorbable membranes is often still preferred. This descriptive review presents a synthesis of the types of barrier membranes available and their characteristics, as well as future trends in the development of barrier membranes along with some allergological aspects of membrane use.
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32
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Evaluation of physicochemical properties of polycaprolactone/gelatin/polydimethylsiloxane hybrid nanofibers as potential scaffolds for elastic tissue engineering. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-04071-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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33
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He Y, Wang X, He Y, Zhao X, Lin J, Feng Y, Chen J, Luo F, Li Z, Li J, Tan H. A bioinspired Janus polyurethane membrane for potential periodontal tissue regeneration. J Mater Chem B 2022; 10:2602-2616. [PMID: 34989756 DOI: 10.1039/d1tb02068d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Guided tissue regeneration (GTR) is the main therapeutic method for periodontal tissue regeneration. The key to the GTR strategy is the membrane which can assist the reconstruction of bone tissue in the periodontal defect and prevent the migration of epithelium and fibroblasts to the defect. However, the existing periodontal membrane cannot effectively promote periodontal tissue regeneration due to the limited bioactivity and physicochemical function. Here, we developed a bioinspired degradable polyurethane membrane with Janus surface morphology by integrating bioactive dopamine (DA) and an antibacterial Gemini quaternary ammonium salt (QAS). The Janus surface of the membrane is fabricated through spontaneous microphase separation, resulting from the different migration of functional segments between the air-contact upper surface with enriched antibacterial QAS and the substrate-contact bottom with enriched bioactive DA. The smooth surface of the upper membrane used to face the soft tissues can reduce cell adhesion to suppress the migration of fibroblasts, while the rough surface with a topological micro-pit structure of the bottom side facing the bone has excellent function of autonomic mineralization and cell adhesion to promote bone tissue reconstruction. In addition, the membrane containing the antibacterial QAS shows excellent antibacterial effect on common oral pathogens, such as S. aureus and S. mutans. Moreover, the specific dopamine group also endows the membrane with excellent antioxidant efficiency. In vivo research shows that this Janus polyurethane membrane can effectively promote periodontal tissue regeneration in a rat periodontal defect model. Combined with its excellent mechanical properties and biocompatibility, the polyurethane membrane is a promising material for potential periodontal tissue regeneration.
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Affiliation(s)
- Yushui He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Xiao Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Yuanyuan He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Xin Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jingjing Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Yuan Feng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jie Chen
- Department of Pediatric Dentistry, West China School of Stomatology, Sichuan University, Chengdu 610065, China
| | - Feng Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Zhen Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jiehua Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Hong Tan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
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Staji M, Sadeghzadeh N, Zamanlui S, Azarani M, Golchin A, Soleimani M, Ardeshirylajimi A, Khojasteh A, Hosseinzadeh S. Evaluation of dermal growth of keratinocytes derived from foreskin in co-culture condition with mesenchymal stem cells on polyurethane/gelatin/amnion scaffold. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.2018316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Masumeh Staji
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Soheila Zamanlui
- Stem Cell and Cell Therapy Research Center, Tissue Engineering and Regenerative Medicine Institute, Tehran, Central Branch, Islamic Azad University, Tehran, Iran
| | - Mojgan Azarani
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Golchin
- Department of Clinical Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Masoud Soleimani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Abdolreza Ardeshirylajimi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Khojasteh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Simzar Hosseinzadeh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
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Khalil TH, Zoabi A, Falah M, Nseir N, David DB, Laevsky I, Zussman E, Ronen O, Redenski I, Srouji S. Micro-Osteo Tubular Scaffolds: a Method for Induction of Bone Tissue Constructs. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00236-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bhagyaraj S, Sobolčiak P, Al-Ghouti MA, Krupa I. Copolyamide-Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation. Polymers (Basel) 2021; 13:3710. [PMID: 34771267 PMCID: PMC8588559 DOI: 10.3390/polym13213710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/15/2021] [Accepted: 10/15/2021] [Indexed: 11/30/2022] Open
Abstract
To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study reports the synthesis of electrospun polymer-clay nanocomposite nanofibers, using co-polyamide polymer (COPA) and halloysite nanotubes (HA) as filler. The influence of clay content on the morphological, thermal and dielectric properties of the polymer composite nanofiber was investigated comprehensively to address the material characteristics of the developed system. The surface structure analysis and contact angle measurements of the electrospun composite nanofibers confirms the change in surface roughness and wettability when the fillers are added to the polymer. The porosity of the composite electrospun nanofiber membrane was found to be 85% with an oil adsorption capacity of 97% and water permeability of 6265 L/m2 h. Furthermore, the asymmetric wettability-driven oil/water emulsion separation abilities of the as-synthesized membranes shows that the separation efficiency of the composite fiber membrane is 10% improved compared to that of the neat fiber membrane, with improved separation time.
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Affiliation(s)
- Sneha Bhagyaraj
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (S.B.); (P.S.)
| | - Patrik Sobolčiak
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (S.B.); (P.S.)
| | - Mohammad A. Al-Ghouti
- Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha P.O. Box 2713, Qatar;
| | - Igor Krupa
- Center for Advanced Materials, Qatar University, Doha P.O. Box 2713, Qatar; (S.B.); (P.S.)
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Ul Hassan S, Bilal B, Nazir MS, Naqvi SAR, Ali Z, Nadeem S, Muhammad N, Palvasha BA, Mohyuddin A. Recent progress in materials development and biological properties of GTR membranes for periodontal regeneration. Chem Biol Drug Des 2021; 98:1007-1024. [PMID: 34581497 DOI: 10.1111/cbdd.13959] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/24/2021] [Accepted: 09/15/2021] [Indexed: 12/18/2022]
Abstract
Chronic periodontal is a very common infection that instigates the destruction of oral tissue, and for its treatment, it is necessary to minimize the infection and the defects regeneration. Periodontium consists of four types of tissues: (a) cementum, (b) periodontal ligament, (c) gingiva, and 4) alveolar bone. In separated cavities, regenerative process also allows various cell proliferations. Guided tissue regeneration (GTR) is a potential procedure that favors periodontal regrowth; however, some limitations (such as ineffective hemostatic property, poor mechanical property, and improper biodegradation) are also associated with it. This review mainly emphasizes on the following areas: (a) a summarized overview of the periodontium and its immunological situations, (b) recently utilized treatments for regeneration of distinctive periodontal tissues; (c) an overview of GTR membranes available commercially, and the latest developments on the characterization and processing of GTR membrane material; and 4) the function of the different non-polymeric/polymeric materials, which are acting as drug carriers, antibacterial agents, nanoparticles, and periodontal barrier membranes to prevent periodontal inflammation and to improve the strength of the GTR membrane.
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Affiliation(s)
- Sadaf Ul Hassan
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore, Pakistan.,Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | - Bushra Bilal
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan
| | | | - Syed Ali Raza Naqvi
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Zufiqar Ali
- Department of Chemical Engineering, COMSATS University Islamabad, Islamabad, Pakistan
| | - Sohail Nadeem
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore, Pakistan
| | - Nawshad Muhammad
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Islamabad, Pakistan
| | | | - Aysha Mohyuddin
- Department of Chemistry, School of Sciences, University of Management and Technology, Lahore, Pakistan
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Pandey A, Yang TS, Yang TI, Belem WF, Teng NC, Chen IW, Huang CS, Kareiva A, Yang JC. An Insight into Nano Silver Fluoride-Coated Silk Fibroin Bioinspired Membrane Properties for Guided Tissue Regeneration. Polymers (Basel) 2021; 13:polym13162659. [PMID: 34451200 PMCID: PMC8401509 DOI: 10.3390/polym13162659] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 01/06/2023] Open
Abstract
The current work focuses on the development of a novel electrospun silk fibroin (SF) nonwoven mat as a GTR membrane with antibacterial, biomineralization and biocompatible properties. The γ-poly glutamic acid (γ-PGA)-capped nano silver fluoride (NSF) and silver diamine fluoride (SDF) were first synthesized, which were dip-coated onto electrospun silk fibroin mats (NSF-SF and SDF-SF). UV-Vis spectroscopy and TEM depicted the formation of silver nanoparticles. NSF-SF and SDF-SF demonstrated antibacterial properties (against Porphyromonas gingivalis) with 3.1 and 6.7 folds higher relative to SF, respectively. Post-mineralization in simulated body fluid, the NSF-SF effectively promoted apatite precipitation (Ca/P ~1.67), while the SDF-SF depicted deposition of silver nanoparticles, assessed by SEM-EDS. According to the FTIR-ATR deconvolution analysis, NSF-SF portrayed ~75% estimated hydroxyapatite crystallinity index (CI), whereas pure SF and SDF-SF demonstrated ~60%. The biocompatibility of NSF-SF was ~82% when compared to the control, while SDF-coated samples revealed in vitro cytotoxicity, further needing in vivo studies for a definite conclusion. Furthermore, the NSF-SF revealed the highest tensile strength of 0.32 N/mm and 1.76% elongation at break. Therefore, it is substantiated that the novel bioactive and antibacterial NSF-SF membranes can serve as a potential candidate, shedding light on further in-depth analysis for GTR applications.
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Affiliation(s)
- Aditi Pandey
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan;
| | - Tzu-Sen Yang
- Graduate Institute of Biomedical Optomechatronics, Taipei Medical University, Taipei 11031, Taiwan;
| | - Ta-I Yang
- Department of Chemical Engineering, Chung-Yuan Christian University, Taoyuan 32023, Taiwan;
| | - Wendimi Fatimata Belem
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
| | - Nai-Chia Teng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11052, Taiwan; (N.-C.T.); (I.-W.C.); (C.-S.H.)
| | - I-Wen Chen
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11052, Taiwan; (N.-C.T.); (I.-W.C.); (C.-S.H.)
| | - Ching-Shuan Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11052, Taiwan; (N.-C.T.); (I.-W.C.); (C.-S.H.)
| | - Aivaras Kareiva
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania;
| | - Jen-Chang Yang
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan;
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11052, Taiwan; (N.-C.T.); (I.-W.C.); (C.-S.H.)
- Research Center of Biomedical Device, Taipei Medical University, Taipei 11052, Taiwan
- Research Center of Digital Oral Science and Technology, Taipei Medical University, Taipei 11052, Taiwan
- Correspondence: ; Tel.: +886-2-2736-1661 (ext. 5124); Fax: +886-2-27362295
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Vidal-Gutiérrez X, Prado-Prone G, Rodil SE, Velasquillo C, Clemente I, Silva-Bermudez P, Almaguer-Flores A. Bismuth subsalicylate incorporated in polycaprolactone-gelatin membranes by electrospinning to prevent bacterial colonization. Biomed Mater 2021; 16. [PMID: 34038883 DOI: 10.1088/1748-605x/ac058d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 05/26/2021] [Indexed: 01/23/2023]
Abstract
Periodontitis is a chronic, multifactorial, inflammatory disease characterized by the progressive destruction of the periodontal tissues. Guided tissue regeneration (GTR), involving the use of barrier membranes, is one of the most successful clinical procedures for periodontal therapy. Nevertheless, rapid degradation of the membranes and membrane-related infections are considered two of the major reasons for GTR clinical failure. Recently, integration of non-antibiotic, antimicrobial materials to the membranes has emerged as a novel strategy to face the bacterial infection challenge, without increasing bacterial resistance. In this sense, bismuth subsalicylate (BSS) is a non-antibiotic, metal-based antimicrobial agent effective against different bacterial strains, that has been long safely used in medical treatments. Thus, the aim of the present work was to fabricate fibrillar, non-rapidly bioresorbable, antibacterial GTR membranes composed of polycaprolactone (PCL), gelatin (Gel), and BSS as the antibacterial agent. PCL-G-BSS membranes with three different BSS concentrations (2 wt./v%, 4 wt./v%, and 6 wt./v%) were developed by electrospinning and their morphology, composition, water wettability, mechanical properties, Bi release and degradation rate were characterized. The Cytotoxicity of the membranes was studiedin vitrousing human osteoblasts (hFOB) and gingival fibroblasts (HGF-1), and their antibacterial activity was tested againstAggregatibacter actinomycetemcomitans, Escherichia coli, Porphyromonas gingivalisandStaphylococcus aureus.The membranes obtained exhibited adequate mechanical properties for clinical application, and appropriate degradation rates for allowing periodontal defects regeneration. The hFOB and HGF-1 cells displayed adequate viability when in contact with the lixiviated products from the membranes, and, in general, displayed antibacterial activity against the four bacteria strains tested. Thus, the PCL-G-BSS membranes showed to be appropriate as potential barrier membranes for periodontal GTR treatments.
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Affiliation(s)
- Ximena Vidal-Gutiérrez
- Posgrado en Ciencias Médicas, Odontológicas y de la Salud, Ciencias Odontológicas, Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, CDMX C.P. 04510, México.,Laboratorio de Biointerfases, Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, CDMX C.P. 04510, México.,Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Av. México-Xochimilco No. 289 Col. Arenal de Guadalupe, CDMX C.P. 14389, México
| | - Gina Prado-Prone
- Laboratorio de Biointerfases, Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, CDMX C.P. 04510, México.,Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Av. México Xochimilco No. 289 Col. Arenal de Guadalupe, CDMX C.P. 14389, México
| | - Sandra E Rodil
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, CDMX C.P. 04510, México
| | - Cristina Velasquillo
- Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Av. México Xochimilco No. 289 Col. Arenal de Guadalupe, CDMX C.P. 14389, México
| | - Ibarra Clemente
- Dirección General, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Av. México Xochimilco No. 289 Col. Arenal de Guadalupe, CDMX C.P. 14389, México
| | - Phaedra Silva-Bermudez
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Av. México-Xochimilco No. 289 Col. Arenal de Guadalupe, CDMX C.P. 14389, México
| | - Argelia Almaguer-Flores
- Laboratorio de Biointerfases, Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, CDMX C.P. 04510, México
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Hernandez JL, Park J, Yao S, Blakney AK, Nguyen HV, Katz BH, Jensen JT, Woodrow KA. Effect of tissue microenvironment on fibrous capsule formation to biomaterial-coated implants. Biomaterials 2021; 273:120806. [PMID: 33905960 PMCID: PMC8135119 DOI: 10.1016/j.biomaterials.2021.120806] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 03/26/2021] [Accepted: 03/31/2021] [Indexed: 12/19/2022]
Abstract
Within tissue exposed to the systemic immune system, lymphocytes and fibroblasts act against biomaterials via the development of a fibrous capsule, known as the foreign body reaction (FBR). Inspired by the natural tolerance that the uterine cavity has to foreign bodies, our study explores the role of microenvironment across classical (subcutaneous) and immune privileged (uterine) tissues in the development of the FBR. As a model biomaterial, we used electrospun fibers loaded with sclerosing agents to provoke scar tissue growth. Additionally, we integrated these materials onto an intrauterine device as a platform for intrauterine biomaterial studies. Polyester materials in vitro achieved drug release up to 10 days, greater pro-inflammatory and pro-healing cytokine expression, and the addition of gelatin enabled greater fibroblast attachment. We observed the materials that induced the greatest FBR in the mouse, had no effect when inserted at the utero-tubal junction of non-human primates. These results suggest that the FBR varies across different tissue microenvironments, and a dampened fibrotic response exists in the uterine cavity, possibly due to immune privilege. Further study of immune privileged tissue factors on biomaterials could broaden our understanding of the FBR and inform new methods for achieving biocompatibility in vivo.
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Affiliation(s)
- Jamie L Hernandez
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98105, USA
| | - Jaehyung Park
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98105, USA
| | - Shan Yao
- Oregon National Primate Research Center, Oregon Health & Science University, 505 NW 185th Ave, Beaverton, OR, 97006, USA
| | - Anna K Blakney
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98105, USA
| | - Hienschi V Nguyen
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98105, USA
| | - Bob H Katz
- ContraMed LLC, 900 E. Hamilton Ave, Campbell, CA, 95008, USA
| | - Jeffrey T Jensen
- Oregon National Primate Research Center, Oregon Health & Science University, 505 NW 185th Ave, Beaverton, OR, 97006, USA
| | - Kim A Woodrow
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, WA, 98105, USA.
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Lou Y, Wang H, Ye G, Li Y, Liu C, Yu M, Ying B. Periosteal Tissue Engineering: Current Developments and Perspectives. Adv Healthc Mater 2021; 10:e2100215. [PMID: 33938636 DOI: 10.1002/adhm.202100215] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/18/2021] [Indexed: 12/22/2022]
Abstract
Periosteum, a highly vascularized bilayer connective tissue membrane plays an indispensable role in the repair and regeneration of bone defects. It is involved in blood supply and delivery of progenitor cells and bioactive molecules in the defect area. However, sources of natural periosteum are limited, therefore, there is a need to develop tissue-engineered periosteum (TEP) mimicking the composition, structure, and function of natural periosteum. This review explores TEP construction strategies from the following perspectives: i) different materials for constructing TEP scaffolds; ii) mechanical properties and surface topography in TEP; iii) cell-based strategies for TEP construction; and iv) TEP combined with growth factors. In addition, current challenges and future perspectives for development of TEP are discussed.
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Affiliation(s)
- Yiting Lou
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
- Department of Stomatology, The Ningbo Hospital of Zhejiang University, and Ningbo First Hospital, 59 Liuting street, Ningbo, Zhejiang, 315000, China
| | - Huiming Wang
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
| | - Guanchen Ye
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
| | - Yongzheng Li
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
| | - Chao Liu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
| | - Mengfei Yu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, 395 Yan'an road, Hangzhou, Zhejiang, 310003, China
| | - Binbin Ying
- Department of Stomatology, The Ningbo Hospital of Zhejiang University, and Ningbo First Hospital, 59 Liuting street, Ningbo, Zhejiang, 315000, China
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Vitamin D 3-loaded electrospun cellulose acetate/polycaprolactone nanofibers: Characterization, in-vitro drug release and cytotoxicity studies. Int J Biol Macromol 2021; 181:82-98. [PMID: 33771547 DOI: 10.1016/j.ijbiomac.2021.03.108] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/16/2021] [Accepted: 03/19/2021] [Indexed: 01/19/2023]
Abstract
Vitamin D deficiency is now a global health problem; despite several drug delivery systems for carrying vitamin D due to low bioavailability and loss bioactivity. Developing a new drug delivery system to deliver vitamin D3 is a strong incentive in the current study. Hence, an implantable drug delivery system (IDDS) was developed from the electrospun cellulose acetate (CA) and ε-polycaprolactone (PCL) nanofibrous membrane, in which the core of implants consists of vitamin D3-loaded CA nanofiber (CAVD) and enclosed in a thin layer of the PCL membrane (CAVD/PCL). CA nanofibrous mat loaded with vitamin D3 at the concentrations of 6, 12, and 20% (w/w) of vitamin D3 were produced using electrospinning. The smooth and bead-free fibers with diameters ranged from 324 to 428 nm were obtained. The fiber diameters increased with an increase in vitamin D3 content. The controlled drug release profile was observed over 30-days, which fit with the zero-order model (R2 > 0.96) in the first stage. The mechanical properties of IDDS were improved. Young's modulus and tensile strength of CAVD/PCL (dry) were161 ± 14 and 13.07 ± 2.5 MPa, respectively. CA and PCL nanofibers are non-cytotoxic based on the results of the in-vitro cytotoxicity studies. This study can further broaden in-vivo study and provide a reference for developing a new IDDS to carry vitamin D3 in the future.
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43
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An investigation into influence of acetylated cellulose nanofibers on properties of PCL/Gelatin electrospun nanofibrous scaffold for soft tissue engineering. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123313] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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Wang Q, Feng Y, He M, Zhao W, Qiu L, Zhao C. A Hierarchical Janus Nanofibrous Membrane Combining Direct Osteogenesis and Osteoimmunomodulatory Functions for Advanced Bone Regeneration. ADVANCED FUNCTIONAL MATERIALS 2020. [DOI: 10.1002/adfm.202008906] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Qian Wang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P. R. China
| | - Yunbo Feng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P. R. China
| | - Min He
- State Key Laboratory of Oral Disease West China Hospital of Stomatology Sichuan University Chengdu Sichuan 610041 P. R. China
| | - Weifeng Zhao
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P. R. China
| | - Li Qiu
- Department of Ultrasound West China School of Medicine/West China Hospital Sichuan University Chengdu 610041 P. R. China
| | - Changsheng Zhao
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P. R. China
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Chang KC, Chen WC, Chen CH, Ko CL, Liu SM, Chen JC. Chemical cross-linking on gelatin-hyaluronan loaded with hinokitiol for the preparation of guided tissue regeneration hydrogel membranes with antibacterial and biocompatible properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111576. [PMID: 33321622 DOI: 10.1016/j.msec.2020.111576] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/21/2020] [Accepted: 09/25/2020] [Indexed: 12/14/2022]
Abstract
The mechanical properties and structural stability of hydrogels and their performance in antidegradation can be enhanced by cross-linking them with N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC). However, residual EDC compromises the biocompatibility of cross-linked hydrogels and the formability of un-cross-linked hydrogels. In this study, a facile process for preparing hydrogel regenerative membranes exerting antibacterial effects and containing gelatin/hyaluronic acid (G/HA) through solution casting was proposed. The membranes were cross-linked with EDC (G/HA-Ec-0H) and impregnated with two concentrations of the antibacterial agent of hinokitiol (G/HA-Ec-2H and G/HA-Ec-4H). Amide bonds formed, and the rate of active amino acid fixation was higher than 90%, which was directly proportional to the degree of cross-linking. The G/HA-Ec-2H and G/HA-Ec-4H groups with hinokitiol showed good antibacterial properties. The rate of hydrogel degradation decreased, and the integrity of sample morphology was maintained at more than 80% for over 3 days in the immersion. Then, the hydrogel structures relaxed and disintegrated through a rapid degradation reaction within 24 h. The biocompatibility results showed that low concentrations of hinokitiol did not affect cell viability. Moreover, hydrogel membranes after 14 days of cell incubation showed good cell adhesion and proliferation. In summary, the membrane biostability of the cross-linked gelatin/hyaluronan hydrogels was enhanced by EDC at a biocompatible concentration, and the functionalized group of G/HA-Ec-2H shows potential as a biodegradable material for biocompatible tissue-guarded regeneration membranes with antibacterial properties.
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Affiliation(s)
- Kai-Chi Chang
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung 407, Taiwan
| | - Wen-Cheng Chen
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung 407, Taiwan; Department of Fragrance and Cosmetic Science, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Chih-Hua Chen
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung 407, Taiwan
| | - Chia-Ling Ko
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung 407, Taiwan
| | - Shih-Ming Liu
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, Taichung 407, Taiwan
| | - Jian-Chih Chen
- Department of Orthopedics, Faculty of Medical School, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Orthopaedics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
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46
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Rather HA, Patel R, Yadav UCS, Vasita R. Dual drug-delivering polycaprolactone-collagen scaffold to induce early osteogenic differentiation and coupled angiogenesis. ACTA ACUST UNITED AC 2020; 15:045008. [PMID: 32427577 DOI: 10.1088/1748-605x/ab7978] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bone regeneration is a multi-step, overlapping process, in which angiogenesis and osteogenesis are the key players. Several attempts have been made to promote angiogenesis-coupled osteogenesis using scaffolding technology. However, the recreation of functional vasculature during bone regeneration is an unparalleled challenge. In this study, a dual drug-delivering polycaprolactone-collagen fibrous scaffold is reported to promote early osteogenesis and angiogenesis. Simvastatin as a pro-angiogenic and dexamethasone as an osteoinductive drug were encapsulated to functionalize the electrospun fibers. The optically transparent fibrous mat represented the sustained and sequential release of drugs for 28 days. The fibrous mesh increased cell proliferation and enhanced the osteogenic differentiation up to 21 days. The alkaline phosphatase activity and mineral deposition were comparatively higher on dual drug-releasing fibers when compared to control fibers. The dual drug-releasing osteoconductive fibers demonstrated osteogenesis as early as 7 days with a 3.7 and 1.5 fold increase in the expression of osteogenic differentiation markers (RUNX2 and osteocalcin), respectively. In vitro angiogenesis using primary human umbilical vein endothelial cells (pHUVECs) showed no significant difference in cell proliferation among control fibers and dual drug-releasing fibers. However, the angioinductive nature of simvastatin released from the fibers demonstrated tube formation and 2 fold higher angiogenic score. The mRNA and protein expression study of angiogenic markers (VEGFR2 and eNOS) by polymerase chain reaction and western blotting depicted the angioinducing potential of dual drug-releasing fibers. VEGFR2 and eNOS mRNA expressions increased by 1.1 and 1.6 fold, respectively, whereas their protein expression increased by 3.2 and 1.7 fold, respectively. The overall results demonstrate the synergistic effect of osteoconductive substrate and osteoinductive dual drugs to promote early osteogenesis, and release of the pro-angiogenic drug promotes angiogenesis.
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Affiliation(s)
- Hilal Ahmad Rather
- Biomaterials & Biomimetics laboratory, School of Life Sciences, Central University of Gujarat, Gandhinagar, 382030 India
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Parham S, Kharazi AZ, Bakhsheshi-Rad HR, Ghayour H, Ismail AF, Nur H, Berto F. Electrospun Nano-Fibers for Biomedical and Tissue Engineering Applications: A Comprehensive Review. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2153. [PMID: 32384813 PMCID: PMC7254207 DOI: 10.3390/ma13092153] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/23/2020] [Indexed: 01/03/2023]
Abstract
Pharmaceutical nano-fibers have attracted widespread attention from researchers for reasons such as adaptability of the electro-spinning process and ease of production. As a flexible method for fabricating nano-fibers, electro-spinning is extensively used. An electro-spinning unit is composed of a pump or syringe, a high voltage current supplier, a metal plate collector and a spinneret. Optimization of the attained nano-fibers is undertaken through manipulation of the variables of the process and formulation, including concentration, viscosity, molecular mass, and physical phenomenon, as well as the environmental parameters including temperature and humidity. The nano-fibers achieved by electro-spinning can be utilized for drug loading. The mixing of two or more medicines can be performed via electro-spinning. Facilitation or inhibition of the burst release of a drug can be achieved by the use of the electro-spinning approach. This potential is anticipated to facilitate progression in applications of drug release modification and tissue engineering (TE). The present review aims to focus on electro-spinning, optimization parameters, pharmacological applications, biological characteristics, and in vivo analyses of the electro-spun nano-fibers. Furthermore, current developments and upcoming investigation directions are outlined for the advancement of electro-spun nano-fibers for TE. Moreover, the possible applications, complications and future developments of these nano-fibers are summarized in detail.
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Affiliation(s)
- Shokoh Parham
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran; (S.P.); (A.Z.K.)
| | - Anousheh Zargar Kharazi
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran; (S.P.); (A.Z.K.)
| | - Hamid Reza Bakhsheshi-Rad
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;
| | - Hamid Ghayour
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Center (AMTEC), Universiti Teknologi Malaysia, Skudai, Johor Bahru, Johor 81310, Malaysia;
| | - Hadi Nur
- Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, UTM Skudai, Johor 81310, Malaysia;
- Central Laboratory of Minerals and Advanced Materials, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, Malang 65145, Indonesia
| | - Filippo Berto
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, 7491 Trondheim, Norway
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Khosravi F, Nouri Khorasani S, Khalili S, Esmaeely Neisiany R, Rezvani Ghomi E, Ejeian F, Das O, Nasr-Esfahani MH. Development of a Highly Proliferated Bilayer Coating on 316L Stainless Steel Implants. Polymers (Basel) 2020; 12:E1022. [PMID: 32369977 PMCID: PMC7284519 DOI: 10.3390/polym12051022] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 12/26/2022] Open
Abstract
In this research, a bilayer coating has been applied on the surface of 316 L stainless steel (316LSS) to provide highly proliferated metallic implants for bone regeneration. The first layer was prepared using electrophoretic deposition of graphene oxide (GO), while the top layer was coated utilizing electrospinning of poly (ε-caprolactone) (PCL)/gelatin (Ge)/forsterite solutions. The morphology, porosity, wettability, biodegradability, bioactivity, cell attachment and cell viability of the prepared coatings were evaluated. The Field Emission Scanning Electron Microscopy (FESEM) results revealed the formation of uniform, continuous, and bead-free nanofibers. The Energy Dispersive X-ray (EDS) results confirmed well-distributed forsterite nanoparticles in the structure of the top coating. The porosity of the electrospun nanofibers was found to be above 70%. The water contact angle measurements indicated an improvement in the wettability of the coating by increasing the amount of nanoparticles. Furthermore, the electrospun nanofibers containing 1 and 3 wt.% of forsterite nanoparticles showed significant bioactivity after soaking in the simulated body fluid (SBF) solution for 21 days. In addition, to investigate the in vitro analysis, the MG-63 cells were cultured on the PCL/Ge/forsterite and GO-PCL/Ge/forsterite coatings. The results confirmed an excellent cell adhesion along with considerable cell growth and proliferation. It should be also noted that the existence of the forsterite nanoparticles and the GO layer substantially enhanced the cell proliferation of the coatings.
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Affiliation(s)
- Fatemeh Khosravi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 8415683111, Iran; (F.K.); (S.K.)
| | - Saied Nouri Khorasani
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 8415683111, Iran; (F.K.); (S.K.)
| | - Shahla Khalili
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 8415683111, Iran; (F.K.); (S.K.)
| | - Rasoul Esmaeely Neisiany
- Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar 9617976487, Iran
| | - Erfan Rezvani Ghomi
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore 119260, Singapore;
| | - Fatemeh Ejeian
- Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan 8159358686, Iran;
| | - Oisik Das
- Material Science Division, Department of Engineering Sciences and Mathematics, Luleå University of Technology, 97187 Luleå, Sweden
| | - Mohammad Hossein Nasr-Esfahani
- Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan 8159358686, Iran;
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Samadian H, Ehterami A, Sarrafzadeh A, Khastar H, Nikbakht M, Rezaei A, Chegini L, Salehi M. Sophisticated polycaprolactone/gelatin nanofibrous nerve guided conduit containing platelet-rich plasma and citicoline for peripheral nerve regeneration: In vitro and in vivo study. Int J Biol Macromol 2020; 150:380-388. [PMID: 32057876 DOI: 10.1016/j.ijbiomac.2020.02.102] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/10/2020] [Accepted: 02/10/2020] [Indexed: 02/02/2023]
Abstract
Peripheral nerve injury (PNI) is a devastating condition that may result in loss of sensory function, motor function, or both. In the present study, we construct an electrospun nerve guide conduit (NGC) based on polycaprolactone (PCL) and gelatin filled with citicoline bearing platelet-rich plasma (PRP) gel as a treatment for PNI. The NGCs fabricated from PCL/Gel polymeric blend using the electrospinning technique. The characterizations demonstrated that the fabricated nanofibers were straight with the diameter of 708 ± 476 nm, the water contact angle of 78.30 ± 2.52°, the weight loss of 41.60 ± 6.94% during 60 days, the tensile strength of 5.31 ± 0.97 MPa, and the young's modulus of 3.47 ± 0.10 GPa. The in vitro studies revealed that the PCL/Gel/PRP/Citi NGC was biocompatible and hemocompatible. The in vivo studies conducted on sciatic nerve injury in rats showed that the implantation of PCL/Gel/PRP/Citi NGC induced regeneration of nerve tissue, demonstrated with histopathological assessments. Moreover, the sciatic function index (SFI) value of -30.3 ± 3.5 and hot plate latency time of 6.10 ± 1.10 s revealed that the PCL/Gel/PRP/Citi NGCs recovered motor and sensory functions. Our findings implied that the fabricated NGC exhibited promising physicochemical and biological activates favorable for PNI treatment.
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Affiliation(s)
- Hadi Samadian
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Arian Ehterami
- Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Arash Sarrafzadeh
- Oral and Maxillofacial Surgery Department, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Khastar
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
| | - Mohammad Nikbakht
- Department of Medical Nanotechnology, School of Advanced Technology in Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
| | - Aram Rezaei
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Chegini
- International Medicine Department, Aja University of Medical Sciences, Tehran, Iran
| | - Majid Salehi
- Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran; Tissue Engineering and Stem Cells Research Center, Shahroud University of Medical Sciences, Shahroud, Iran.
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50
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Jeong JO, Park JS, Kim EJ, Jeong SI, Lee JY, Lim YM. Preparation of Radiation Cross-Linked Poly(Acrylic Acid) Hydrogel Containing Metronidazole with Enhanced Antibacterial Activity. Int J Mol Sci 2019; 21:E187. [PMID: 31888070 PMCID: PMC6981512 DOI: 10.3390/ijms21010187] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/19/2019] [Accepted: 12/19/2019] [Indexed: 02/04/2023] Open
Abstract
Metronidazole (MD) is known as a periodontitis medicine and has been widely used in antibiotics for resistance to anaerobic bacteria, periodontal disease, and other threats. To treat diseases, drug delivery carriers are needed with a high bioadhesive property and enhanced drug penetration. Poly (acrylic acid) (PAA) hydrogel films have a good bioadhesive property and are able to localize the absorption site and increase the drug residence time. In this study, we fabricated a MD loaded PAA hydrogel with different MD content (0.1, 0.25, 0.5, and 1 wt%) using varying doses (25, 50, and 75 kGy) and the radiation doses (25, 50, or 75 kGy) in a one-step gamma-ray irradiation process. The chemical and physical structure were determined through a Fourier transformed infrared spectroscopy, X-ray photoelectron spectroscopy, gel content, and compressive strength. In addition, MD loaded PAA hydrogels were performed to MD release behaviors and cytotoxicity. Finally, we conducted antibacterial activity to demonstrate the prevention of growth of bacteria as a therapeutic dressing. The basic chemical structure analysis of MD was changed greatly at radiation doses of 50 and 75 kGy due to degradation by gamma-ray irradiation. However, when the absorbed dose was 25 kGy, the chemical structure analysis of MD did not change significantly, and the gel content and compressive strength of MD/PAA hydrogel were approximately 80% and 130 kPa, respectively. The MD/PAA hydrogels exhibited no cytotoxicity and good antibacterial activity against Escherichia coli, Staphylococcus aureus, and Streptococcus mutans. These results provide good evidence that MD/PAA hydrogel prepared by gamma-ray irradiation has potential as a competitive candidate for the therapeutic dressing.
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Affiliation(s)
- Jin-Oh Jeong
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup-si, Jeollabuk-do 56212, Korea; (J.-O.J.); (S.-I.J.)
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea;
| | - Jong-Soek Park
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup-si, Jeollabuk-do 56212, Korea; (J.-O.J.); (S.-I.J.)
| | - Eui Jin Kim
- Internal Medicine, Mary’s Hospital, College of Medicine, The Catholic University, Uijeongbu-si, Gyeonggi-do 11765, Korea;
| | - Sung-In Jeong
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup-si, Jeollabuk-do 56212, Korea; (J.-O.J.); (S.-I.J.)
| | - Jae Young Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea;
| | - Youn-Mook Lim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup-si, Jeollabuk-do 56212, Korea; (J.-O.J.); (S.-I.J.)
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