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Sahi AK, Varshney N, Poddar S, Gundu S, Mahto SK. Fabrication and Characterization of Silk Fibroin-Based Nanofibrous Scaffolds Supplemented with Gelatin for Corneal Tissue Engineering. Cells Tissues Organs 2021; 210:173-194. [PMID: 34252899 DOI: 10.1159/000515946] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 03/15/2021] [Indexed: 11/19/2022] Open
Abstract
Tissue engineering is a promising approach to overcome the severe worldwide shortage of healthy donor corneas. In this work, we have developed a silk-gelatin composite scaffold using electrospinning and permeation techniques to achieve the properties comparable to cornea analog. In particular, we present the fabrication and comparative evaluation of the novel gelatin sheets consisting of silk fibroin nanofibers, which are prepared using silk fibroin (SF) (in formic acid) and SF (in aqueous) electrospun scaffolds, for its suitability as corneal stromal analogs. All the fabricated samples were treated with ethanol vapor (T) to physically crosslink the silk nanofibers. Micro/nano-scale features of the fabricated scaffolds were analyzed using scanning electron microscopy micrographs. Fourier transform infrared spectroscopy revealed characteristic peaks of polymeric functional groups and modifications upon ethanol vapor treatment. Transparency of the scaffolds was determined using UV-visible spectra. Among all the fabricated samples, the gelatin-permeated SF (in formic acid; T) scaffold showed the highest level of transparency, i.e., 77.75 ± 2.3%, which is similar to that of the native cornea (∼70%-90% [variable with age group]) with healthy acute vision. Contact angle of the samples was studied to estimate the hydrophilicity of the scaffolds. All the scaffolds except non-treated SF (in aqueous; NT) were found to be significantly stable up to 14 days when incubated in phosphate buffered saline at 37°C. Treated samples showed significantly better stability, both physically and microscopically, in comparison to nontreated samples. Proliferation and viability assays of rabbit corneal fibroblast cells (SIRC) and mouse fibroblast cells (L929 RFP) when cultured on fabricated scaffolds revealed remarkable cellular compatibility with gelatin-permeated SF (in formic acid; T) scaffolds compared to SF (in aqueous; T). Unlike other reports in the existing literature, this work presents the design and development of a nanofibrous silk-gelatin composite that exhibits acceptable transparency, cellular biocompatibility, as well as improved mechanical stability comparable to that of native cornea. Therefore, we anticipate that the fabricated novel scaffold is likely to be a good candidate for corneal tissue construct. Moreover, among the fabricated scaffolds, the outcomes depict gelatin-permeated SF (in formic acid; T) composite scaffold to be a better candidate as a corneal stromal analog that carries properties of both the silk and gelatin, i.e., optimal transparency, better stability, and enhanced cytocompatibility.
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Affiliation(s)
- Ajay Kumar Sahi
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Neelima Varshney
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Suruchi Poddar
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Shravanya Gundu
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Sanjeev Kumar Mahto
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India.,Centre for Advanced Biomaterials and Tissue Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
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Kandhasamy S, Liang B, Yang DP, Zeng Y. Antibacterial Vitamin K3 Carnosine Peptide-Laden Silk Fibroin Electrospun Fibers for Improvement of Skin Wound Healing in Diabetic Rats. ACS APPLIED BIO MATERIALS 2021; 4:4769-4788. [PMID: 35007027 DOI: 10.1021/acsabm.0c01650] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The utilization of a multifunctional bioactive molecule functionalized electrospun dressing in tissue repair and regenerative function is a prominent therapeutic strategy for preparing efficient biomaterials to promote chronic wound healing. Designing robust and highly efficient antibacterial agents in resistance against microbes and bacterial infections is a key challenge for accelerating diabetic wound healing until today. In this study, we developed a vitamin K3 carnosine peptide (VKC)-laden silk fibroin electrospun scaffold (SF-VKC) for diabetic wound healing. The structural confirmation of synthesized VKC was characterized by 1H NMR, 13C NMR, electrospray ionization mass spectrometry (ESI-MS), and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy analysis, and the cell viability of VKC was evaluated by the CCK-8 assay in HFF1 and NIH 3T3 cells. VKC shows excellent cell viability on both cell lines, and the VKC and SF-VKC electrospun mats exhibited excellent antibacterial activity against both Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli and Pseudomonas aeruginosa) bacteria. Prepared SF and SF-VKC fibrous mats were well characterized, and the SF-VKC nanofiber mat presented good biodegradability, adhesiveness, unique mechanical property, expedient water uptake property, sustained drug release, and excellent biocompatibility for chronic wound healing. The in vitro tissue engineering study depicted excellent cell migration and cell-cell interaction in the NIH 3T3 cells over the VKC-impregnated silk fibroin (SF-VKC) mat. A higher population of cell migration was observed in cells' denuded area (scratched region) compared to the native SF fibrous mat. Interestingly, our results demonstrated that the prepared VKC-impregnated SF mat had potentially promoted the STZ-induced diabetic wound healing in a shorter period than the pure SF mat. Thus, obtained in vitro and in vivo outcomes suggest that the VKC-laden SF electrospun fibrous mat could be a better and inexpensive fibrous antibacterial biomaterial to elicit earlier re-epithelialization and efficient matrix remodeling for accelerating chronic infected wound reconstruction in skin diabetic wound healing applications.
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Affiliation(s)
- Subramani Kandhasamy
- Department of Respiratory Diseases, Clinical Center for Molecular Diagnosis and Therapy, The Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, China
| | - Bo Liang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, China
| | - Da-Peng Yang
- College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, Fujian 362000, China
| | - Yiming Zeng
- Department of Respiratory Diseases, Clinical Center for Molecular Diagnosis and Therapy, The Second Affiliated Hospital of Fujian Medical University, Quanzhou 362000, China
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Poddar S, Agarwal PS, Sahi AK, Varshney N, Vajanthri KY, Mahto SK. Fabrication and characterization of electrospun psyllium husk‐based nanofibers for tissue regeneration. J Appl Polym Sci 2021. [DOI: 10.1002/app.50569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Suruchi Poddar
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Piyush Sunil Agarwal
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
- Department of Materials Engineering Indian Institute of Science Bangalore India
| | - Ajay Kumar Sahi
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Neelima Varshney
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Kiran Yellappa Vajanthri
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Sanjeev Kumar Mahto
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
- Centre for Advanced Biomaterials and Tissue Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
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Blanco-Fernandez B, Castaño O, Mateos-Timoneda MÁ, Engel E, Pérez-Amodio S. Nanotechnology Approaches in Chronic Wound Healing. Adv Wound Care (New Rochelle) 2021; 10:234-256. [PMID: 32320364 PMCID: PMC8035922 DOI: 10.1089/wound.2019.1094] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 03/04/2020] [Indexed: 12/28/2022] Open
Abstract
Significance: The incidence of chronic wounds is increasing due to our aging population and the augment of people afflicted with diabetes. With the extended knowledge on the biological mechanisms underlying these diseases, there is a novel influx of medical technologies into the conventional wound care market. Recent Advances: Several nanotechnologies have been developed demonstrating unique characteristics that address specific problems related to wound repair mechanisms. In this review, we focus on the most recently developed nanotechnology-based therapeutic agents and evaluate the efficacy of each treatment in in vivo diabetic models of chronic wound healing. Critical Issues: Despite the development of potential biomaterials and nanotechnology-based applications for wound healing, this scientific knowledge is not translated into an increase of commercially available wound healing products containing nanomaterials. Future Directions: Further studies are critical to provide insights into how scientific evidences from nanotechnology-based therapies can be applied in the clinical setting.
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Affiliation(s)
- Barbara Blanco-Fernandez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Oscar Castaño
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Electronics and Biomedical Engineering, Universitat de Barcelona (UB), Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Bioelectronics Unit and Nanobioengineering Lab, Institute for Nanoscience and Nanotechnology of the University of Barcelona (IN2UB), Barcelona, Spain
| | - Miguel Ángel Mateos-Timoneda
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Elisabeth Engel
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
| | - Soledad Pérez-Amodio
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
- Materials Science and Metallurgical Engineering, Polytechnic University of Catalonia (UPC), Barcelona, Spain
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55
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Wei S, Wang W, Li L, Meng HY, Feng CZ, Dong YY, Fang XC, Dong QQ, Jiang W, Xin HL, Li ZZ, Wang X. Recombinant human epidermal growth factor combined with vacuum sealing drainage for wound healing in Bama pigs. Mil Med Res 2021; 8:18. [PMID: 33685528 PMCID: PMC7941968 DOI: 10.1186/s40779-021-00308-5] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 02/08/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Vacuum sealing drainage (VSD) and epidermal growth factor (EGF) both play an important role in the treatment of wounds. This study aims to explore the effects of the combination of VSD and EGF on wound healing and the optimal concentration and time of EGF. METHODS We tested the proliferation and migration capacity of HaCaT and L929 cells at different EGF concentrations (0, 1, 5, 10, and 100 ng/ml) and different EGF action times (2, 10, and 30 min). A full-thickness skin defect model was established using male, 30-week-old Bama pigs. The experiment included groups as follows: routine dressing change after covering with sterile auxiliary material (Control), continuous negative pressure drainage of the wound (VSD), continuous negative pressure drainage of the wound and injection of EGF 10 min followed by removal by continuous lavage (V + E 10 min), and continuous negative pressure drainage of the wound and injection of EGF 30 min followed by removal by continuous lavage (V + E 30 min). The wound healing rate, histological repair effect and collagen deposition were compared among the four groups. RESULTS An EGF concentration of 10 ng/ml and an action time of 10 min had optimal effects on the proliferation and migration capacities of HaCaT and L929 cells. The drug dispersion effect was better than drug infusion after bolus injection effect, and the contact surface was wider. Compared with other groups, the V + E 10 min group promoted wound healing to the greatest extent and obtained the best histological score. CONCLUSIONS A recombinant human epidermal growth factor (rhEGF) concentration of 10 ng/ml can promote the proliferation and migration of epithelial cells and fibroblasts to the greatest extent in vitro. VSD combined with rhEGF kept in place for 10 min and then washed, can promote wound healing better than the other treatments in vivo.
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Affiliation(s)
- Shuai Wei
- Institute of Orthopaedics, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Chinese PLA General Hospital, Beijing, 100583, China.,Zhoushan Dinghai Guanghua Hospital, Zhoushan, 316000, China.,Tianjin Hospital, Tianjin University, Tianjin, 300211, China
| | - Wei Wang
- Geriatric Neurological Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China
| | - Li Li
- Department of Orthopedics, Traditional Chinese Medical Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830000, China
| | - Hao-Ye Meng
- Institute of Orthopaedics, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Chinese PLA General Hospital, Beijing, 100583, China
| | - Chun-Zhen Feng
- Department of Stomatology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yu-Ying Dong
- Department of Plastic Surgery, General Hospital of Taiyuan Iron and Steel Limited Company, Taiyuan, 030009, China
| | - Xi-Chi Fang
- Hand Microsurgery Department, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Qi-Qiang Dong
- Third Surgery Department, Zhengzhou Renji Hospital, Zhengzhou, 450000, China
| | - Wen Jiang
- Department of Orthopedics, the First Affiliated Hospital of Medical College, Shihezi University, Shihezi, Xinjiang, 832000, Uygur Autonomous Region, China
| | - Hai-Li Xin
- Pharmacy Department, Chinese PLA General Hospital, Beijing, 100853, China
| | - Zhan-Zhen Li
- Zhoushan Dinghai Guanghua Hospital, Zhoushan, 316000, China.
| | - Xin Wang
- Institute of Orthopaedics, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Chinese PLA General Hospital, Beijing, 100583, China. .,Zhoushan Dinghai Guanghua Hospital, Zhoushan, 316000, China.
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56
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Homaeigohar S, Monavari M, Koenen B, Boccaccini AR. Biomimetic biohybrid nanofibers containing bovine serum albumin as a bioactive moiety for wound dressing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:111965. [PMID: 33812593 DOI: 10.1016/j.msec.2021.111965] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 02/06/2021] [Accepted: 02/08/2021] [Indexed: 12/13/2022]
Abstract
For the first time, a biohybrid nanofibrous wound dressing is developed via green electrospinning of a blend solution of bovine serum albumin (BSA) (1 and 3 wt%) and polycaprolactone (PCL). In such a system, the components are miscible and interact through hydrogen bonding between the carbonyl group of PCL and the amine group of BSA, as verified by ATR-FTIR. As a result, the biohybrid nanofibers show a superior elastic modulus and elongation (300% and 58%, respectively) compared with the neat PCL nanofibers. The included protein induces a hydrophilicity effect to the PCL nanofibers, notably at the higher BSA content (3 wt%). In contrast to the neat nanofibers, the biohybrid ones are bioactive and encourage formation of biominerals (made of amorphous calcium carbonate) on the surface, after immersion in simulated body fluid (SBF). Based on the WST-8 cell viability tests, NIH3T3 fibroblast cells were seen to properly interact with the biohybrid mats and to proliferate in their proximity. SEM images show that the cells largely adhere onto such nanofibers even more than they do on the neat ones and adopt a flattened and stretched shape. In addition, the live/dead assay and phalloidin/DAPI staining assay confirm large cell viability and normal cell morphology on the biohybrid nanofiber mats after 4 days incubation. Taken together, BSA/PCL nanofibers are able to offer optimum mechanical properties (elasticity) as well as mineralization which can potentially stimulate the wound healing process, and can be considered a suitable candidate for wound dressing applications.
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Affiliation(s)
- Shahin Homaeigohar
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany; School of Science and Engineering, University of Dundee, Dundee DD1 4HN, United Kingdom.
| | - Mahshid Monavari
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Benedict Koenen
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
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Maaz Arif M, Khan SM, Gull N, Tabish TA, Zia S, Ullah Khan R, Awais SM, Arif Butt M. Polymer-based biomaterials for chronic wound management: Promises and challenges. Int J Pharm 2021; 598:120270. [PMID: 33486030 DOI: 10.1016/j.ijpharm.2021.120270] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 12/10/2020] [Accepted: 12/24/2020] [Indexed: 01/13/2023]
Abstract
Chronic non-healing wounds tender a great challenge to patients, physicians, and wound care professionals. In view of the increasing prevalence of chronic wounds due to ischemia, diabetic foot, venous, and pressure ulcers, their appropriate management requires significant attention. Along with the basic techniques of medical and surgical treatments; an ideal dressing is essential for a speedy recovery and rapid healing of such wounds. Mechanistic understanding of chronic wound pathology will not only help towards future directions for an ideal dressing model but also to resonant advance research related to specific dressings for various wound types. This review provides key insights into causes, pathophysiology, and critical issues pertaining to chronic wounds and their management. It also summarizes the challenges faced for chronic wound treatment and specified factors responsible for delayed healing. Moreover, this review delivers a detailed discussion on available polymeric materials (alginate, chitosan, hyaluronic acid, collagen, polyurethane, cellulose, dextran, gelatin, silk, and polyaniline), their functional characteristics, and usage as chronic wound healing agents for polymeric wound dressing development. Incorporation and comparison of the research studies for their thermal behavior, structural analysis, and microscopic studies by Fourier transform infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy, respectively and swelling studies of different polymeric materials are discussed. Additionally, studies of anatomy cum physiology of wound healing, pathophysiology, tissue engineering and advance healing management approaches makes the content of this review a significant tool for future studies on chronic wounds healing by polymeric wound dressings. In this review, polymeric wound dressings have been explained in terms of their structures, function, chemistry, and key characteristics. These features are directly linked to the polymeric systems' potential in the management of chronic wounds. These polymeric systems have gained promising success in solving real word global health problems. More recently, innovative approaches to fabricate the polymer dressings have been introduced, but their commercial, sustainable, and high-scale production largely remains unexplored. This review also summarizes the promises of polymeric wound dressings and provides a future perspective on how the clinical and commercial landscape could potentially be propelled by utilizing polymers in wound care management.
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Affiliation(s)
- Muhammad Maaz Arif
- Department of Community Health Sciences, Fatima Memorial Hospital College of Medicine and Dentistry, Lahore, Pakistan
| | - Shahzad Maqsood Khan
- Department of Polymer Engineering & Technology, University of the Punjab Lahore, Pakistan.
| | - Nafisa Gull
- Department of Polymer Engineering & Technology, University of the Punjab Lahore, Pakistan
| | - Tanveer A Tabish
- UCL Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - Saba Zia
- Department of Polymer Engineering & Technology, University of the Punjab Lahore, Pakistan
| | - Rafi Ullah Khan
- Department of Polymer Engineering & Technology, University of the Punjab Lahore, Pakistan
| | | | - Muhammad Arif Butt
- Institute of Chemical Engineering & Technology, University of the Punjab Lahore, Pakistan
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Wulandari E, Namivandi-Zangeneh R, Judzewitsch PR, Budhisatria R, Soeriyadi AH, Boyer C, Wong EHH. Silk Sponges with Surface Antimicrobial Activity. ACS APPLIED BIO MATERIALS 2021. [DOI: 10.1021/acsabm.0c01222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Erna Wulandari
- Australian Centre for NanoMedicine (ACN), School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Rashin Namivandi-Zangeneh
- Australian Centre for NanoMedicine (ACN), School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Peter R. Judzewitsch
- Australian Centre for NanoMedicine (ACN), School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Rachel Budhisatria
- Mochtar Riady Institute of Nanotechnology (MRIN), Banten 15810, Indonesia
| | | | - Cyrille Boyer
- Australian Centre for NanoMedicine (ACN), School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Edgar H. H. Wong
- Australian Centre for NanoMedicine (ACN), School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW 2052, Australia
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Arora D, Bhunia BK, Janani G, Mandal BB. Bioactive three-dimensional silk composite in vitro tumoroid model for high throughput screening of anticancer drugs. J Colloid Interface Sci 2021; 589:438-452. [PMID: 33485251 DOI: 10.1016/j.jcis.2021.01.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/26/2020] [Accepted: 01/04/2021] [Indexed: 01/01/2023]
Abstract
HYPOTHESIS Modeling three-dimensional (3D) in vitro culture systems recapitulating spatiotemporal characteristics of native tumor-mass has shown tremendous potential as a pre-clinical tool for drug screening. However, their applications in clinical settings are still limited due to inappropriate recapitulation of tumor topography, culture instability, and poor durability of niche support. EXPERIMENTS Here, we have fabricated a bio-active silk composite scaffold assimilating tunable silk from Bombyx mori and - arginine-glycine-aspartate (RGD) rich silk from Antheraea assama to provide a better 3D-matrix for breast (MCF 7) and liver (HepG2) tumoroids. Cellular mechanisms underlying physiological adaptations in 3D constructs and subsequent drug responses were compared with conventional monolayer and multicellular spheroid culture. FINDINGS Silk composite matrix assists prolonged growth and high metabolic activity (Cytochrome P450 reductase) in breast and liver 3D-tumoroids. Enhanced stemness expression (Cell surface adhesion receptor; CD44, Aldehyde dehydrogenase 1) and epithelial-mesenchymal-transition markers (E-cadherin, Vimentin) at transcript and protein levels demonstrate that bio-active matrix-assisted 3D environment augmenting metastatic potential in tumoroids. Together, enhanced secretion of Transforming growth factor β (TGFβ), anchorage-independency, and colony-forming potential of cells in the 3D-tumoroids further corroborates the aggressive behavior of cells. Moreover, the multilayered 3D-tumoroids exhibit decreased sensitivity to some known anticancer drugs (Doxorubicin and Paclitaxel). In conclusion, the bio-active silk composite matrix offers an advantage in developing robust and sustainable 3D tumoroids for a high-throughput drug screening platform.
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Affiliation(s)
- Deepika Arora
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Bibhas K Bhunia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - G Janani
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India; Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
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Akhmetova A, Heinz A. Electrospinning Proteins for Wound Healing Purposes: Opportunities and Challenges. Pharmaceutics 2020; 13:E4. [PMID: 33374930 PMCID: PMC7821923 DOI: 10.3390/pharmaceutics13010004] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/14/2020] [Accepted: 12/18/2020] [Indexed: 01/31/2023] Open
Abstract
With the growth of the aging population worldwide, chronic wounds represent an increasing burden to healthcare systems. Wound healing is complex and not only affected by the patient's physiological conditions, but also by bacterial infections and inflammation, which delay wound closure and re-epithelialization. In recent years, there has been a growing interest for electrospun polymeric wound dressings with fiber diameters in the nano- and micrometer range. Such wound dressings display a number of properties, which support and accelerate wound healing. For instance, they provide physical and mechanical protection, exhibit a high surface area, allow gas exchange, are cytocompatible and biodegradable, resemble the structure of the native extracellular matrix, and deliver antibacterial agents locally into the wound. This review paper gives an overview on cytocompatible and biodegradable fibrous wound dressings obtained by electrospinning proteins and peptides of animal and plant origin in recent years. Focus is placed on the requirements for the fabrication of such drug delivery systems by electrospinning as well as their wound healing properties and therapeutic potential. Moreover, the incorporation of antimicrobial agents into the fibers or their attachment onto the fiber surface as well as their antimicrobial activity are discussed.
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Affiliation(s)
| | - Andrea Heinz
- LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen, Denmark;
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61
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Patil PP, Reagan MR, Bohara RA. Silk fibroin and silk-based biomaterial derivatives for ideal wound dressings. Int J Biol Macromol 2020; 164:4613-4627. [PMID: 32814099 PMCID: PMC7849047 DOI: 10.1016/j.ijbiomac.2020.08.041] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/23/2020] [Accepted: 08/05/2020] [Indexed: 01/12/2023]
Abstract
Silk fibroin (SF) is derived from Bombyx mori silkworm cocoons and has been used in textiles and as a suture material for decades. More recently, SF has been used for various new biomedical applications, including as a wound dressing, owing to its excellent biological and mechanical properties. Specifically, the mechanical stiffness, versatility, biocompatibility, biodegradability, water vapour permeability and slight bactericidal properties make SF an excellent candidate biomaterial for wound dressing applications. The effectiveness of SF as a wound dressing has been tested and well-documented in vitro as well as in-vivo, as described here. Dressings based on SF are currently used for treating a wide variety of chronic and acute (e.g. burn) wounds. SF and its derivatives prepared as biomaterials are available as sponges, hydrogels, nanofibrous matrices, scaffolds, micro/nanoparticles, and films. The present review discusses the potential role of SF in wound dressing and its modulation for wound dressing applications. The comparison of SF based dressings with other natural polymers understands the readers, the scope and limitation of the subject in-depth.
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Affiliation(s)
- Priyanka P Patil
- Sigma Institute of Science and Commerce, Bakrol, Vadodara, Gujarat 390019, India
| | | | - Raghvendra A Bohara
- CÚRAM, SFI Research Centre for Medical Devices, National University of Ireland Galway, Ireland; Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416006, India.
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62
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Batra R, Purwar R. Deduction of a facile method to construct
Antheraea mylitta
silk fibroin/gelatin blend films for prospective biomedical applications. POLYM INT 2020. [DOI: 10.1002/pi.6087] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Radhika Batra
- Department of Applied Chemistry Delhi Technological University New Delhi India
| | - Roli Purwar
- Department of Applied Chemistry Delhi Technological University New Delhi India
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63
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Zhang M, Zhao X. Alginate hydrogel dressings for advanced wound management. Int J Biol Macromol 2020; 162:1414-1428. [PMID: 32777428 DOI: 10.1016/j.ijbiomac.2020.07.311] [Citation(s) in RCA: 227] [Impact Index Per Article: 56.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/05/2020] [Accepted: 07/29/2020] [Indexed: 01/07/2023]
Abstract
Wound healing is a complicated and continuous process affected by several factors, and it needs an appropriate surrounding to achieve accelerated healing. At present, various wound dressings are used for wound management, such as fiber, sponge, hydrogel, foam, hydrocolloid and so on. Hydrogels can provide mechanical support and moist environment for wounds, and are widely used in biomedical field. Alginate is a natural linear polysaccharide derived from brown algae or bacteria, consisting of repeating units of β-1,4-linked D-mannuronic acid (M) and L-guluronic acid (G) in different ratios. It is widely used in biomedical and engineering fields due to its good biocompatibility and liquid absorption capacity. Alginate-based hydrogels have been used in wound dressing, tissue engineering, and drug delivery applications for decades. In this review, we summarize the recent approaches in the chemical and physical preparation and the application of alginate hydrogels in wound dressings.
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Affiliation(s)
- Miao Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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64
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Homaeigohar S, Tsai TY, Zarie ES, Elbahri M, Young TH, Boccaccini AR. Bovine Serum Albumin (BSA)/polyacrylonitrile (PAN) biohybrid nanofibers coated with a biomineralized calcium deficient hydroxyapatite (HA) shell for wound dressing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 116:111248. [PMID: 32806254 DOI: 10.1016/j.msec.2020.111248] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 01/14/2023]
Abstract
Here, for the first time, a nanofibrous (NF) wound dressing comprising biomineralized polyacrylonitrile (PAN) nanofibers is developed. In contrast to the majority of the currently available nanofibrous wound dressings that are based on natural polymers, PAN is a synthetic, industrial polymer, which has been rarely considered for this purpose. PAN NFs are first hydrolyzed to allow for tethering of biofunctional agents (here Bovine Serum Albumin (BSA)). Later, the biofunctionlized PAN NFs are biomineralized by immersion in simulated body fluid (SBF). As a result, core-shell, calcium deficient hydroxyapatite (HA)/BSA/PAN nanofibers form, that are mechanically stronger (elastic modulus; 8.5 vs. 6 MPa) compared to the untreated PAN NFs. The biomineralized PAN NFs showed promising bioactivity as reflected in the cell biology tests with fibroblast and keratinocyte cells. Hs68 fibroblasts and HaCat keratinocytes were found to be more viable in the presence of the biomineralized NFs than when they were co-cultured with the neat PAN NFs. Such mechanical and biological characteristics of the biomineralized PAN NFs are favorable for wound dressing applications.
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Affiliation(s)
- Shahin Homaeigohar
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany; Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland.
| | - Ting-Yu Tsai
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, Taipei 100, Taiwan
| | - Eman S Zarie
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland; Department of Therapeutical Chemistry, Pharmaceutical and Drug Industries Research Division National Research Centre, Dokki 12311, Giza, Egypt
| | - Mady Elbahri
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland
| | - Tai-Horng Young
- Nanochemistry and Nanoengineering, Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, 00076 Aalto, Finland
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
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65
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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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66
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Farokhi M, Mottaghitalab F, Reis RL, Ramakrishna S, Kundu SC. Functionalized silk fibroin nanofibers as drug carriers: Advantages and challenges. J Control Release 2020; 321:324-347. [DOI: 10.1016/j.jconrel.2020.02.022] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/11/2020] [Accepted: 02/11/2020] [Indexed: 12/13/2022]
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67
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Antibacterial biohybrid nanofibers for wound dressings. Acta Biomater 2020; 107:25-49. [PMID: 32084600 DOI: 10.1016/j.actbio.2020.02.022] [Citation(s) in RCA: 290] [Impact Index Per Article: 72.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 02/07/2023]
Abstract
Globally, chronic wounds impose a notable burden to patients and healthcare systems. Such skin wounds are readily subjected to bacteria that provoke inflammation and hence challenge the healing process. Furthermore, bacteria induce infection impeding re-epithelialization and collagen synthesis. With an estimated global market of $20.4 billion by 2021, appropriate wound dressing materials e.g. those composed of biopolymers originating from nature, are capable of alleviating the infection incidence and of accelerating the healing process. Particularly, biopolymeric nanofibrous dressings are biocompatible and mostly biodegradable and biomimic the extracellular matrix structure. Such nanofibrous dressings provide a high surface area and the ability to deliver antibiotics and antibacterial agents locally into the wound milieu to control infection. In this regard, with the dangerous evolution of antibiotic resistant bacteria, antibiotic delivery systems are being gradually replaced with antibacterial biohybrid nanofibrous wound dressings. This emerging class of wound dressings comprises biopolymeric nanofibers containing antibacterial nanoparticles, nature-derived compounds and biofunctional agents. Here, the most recent (since 2015) developments of antibacterial biopolymeric nanofibrous wound dressings, particularly those made of biohybrids, are reviewed and their antibacterial efficiency is evaluated based on a comprehensive literature analysis. Lastly, the prospects and challenges are discussed to draw a roadmap for further progresses and to open up future research avenues in this area. STATEMENT OF SIGNIFICANCE: With a global market of $20.4 billion by 2021, skin wound dressings are a crucial segment of the wound care industry. As an advanced class of bioactive wound dressing materials, natural polymeric nanofibers loaded with antibacterial agents, e.g. antimicrobial nanoparticles/ions, nature-derived compounds and biofunctional agents, have shown a remarkable potential for replacement of their classic counterparts. Also, given the expanding concern regarding antibiotic resistant bacteria, such biohybrid nanofibrous wound dressings can outperform classical drug delivery systems. Here, an updated overview of the most recent (since 2015) developments of antibacterial biopolymeric nanofibrous wound dressings is presented. In this review, while discussing about the antibacterial efficiency of such systems, the prospects and challenges are highlighted to draw a roadmap for further progresses in this area.
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Sharmila G, Muthukumaran C, Kirthika S, Keerthana S, Kumar NM, Jeyanthi J. Fabrication and characterization of Spinacia oleracea extract incorporated alginate/carboxymethyl cellulose microporous scaffold for bone tissue engineering. Int J Biol Macromol 2020; 156:430-437. [PMID: 32294496 DOI: 10.1016/j.ijbiomac.2020.04.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 03/19/2020] [Accepted: 04/07/2020] [Indexed: 01/07/2023]
Abstract
In recent years, plant based scaffold due to its inherent properties such as mechanical stability, renewability, easy mass production, inexpensiveness, biocompatibility and biodegradability with low toxic effects have received much attention in the field of bone tissue engineering. Design of good tissue compatible plant based polymer scaffold plays a vital role in biomedicine, nanomedicine and in various tissue engineering applications. The present study focused on the fabrication of a novel herbal scaffold using the medicinal plants Spinacia oleracea (SO) and Cissus quadrangularis (CQ) extracts incorporated with Alginate (Alg), Carboxy Methyl Cellulose (CMC) by lyophilization method. The structural nature and the properties of prepared scaffold were analyzed by XRD, FE-SEM, FTIR, EDAX, TGA, swelling ratio, porosity, in-vitro degradation and cell viability studies. The biocompatible nature of the plant based polymer scaffold was assessed using MG-63 Human Osteosarcoma cell line. The investigation of biocompatibility study showed that Alg/CMC/SO scaffold expressed higher cell viability than Alg/CMC/SO-CQ scaffold, which possess better cellular biocompatibility. The results of the present study suggested that plant based Alg/CMC/SO scaffold serve as a potential biopolymer scaffold which could be further exploited for bone tissue applications.
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Affiliation(s)
- Govindasamy Sharmila
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India.
| | - Chandrasekaran Muthukumaran
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Shanmugam Kirthika
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Sundarapandian Keerthana
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Narasimhan Manoj Kumar
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamilnadu, India
| | - Jeyadharmarajan Jeyanthi
- Department of Civil Engineering, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
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Chouhan D, Mandal BB. Silk biomaterials in wound healing and skin regeneration therapeutics: From bench to bedside. Acta Biomater 2020; 103:24-51. [PMID: 31805409 DOI: 10.1016/j.actbio.2019.11.050] [Citation(s) in RCA: 162] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 02/08/2023]
Abstract
Silk biomaterials are known for biomedical and tissue engineering applications including drug delivery and implantable devices owing to their biocompatible and a wide range of ideal physico-chemical properties. Herein, we present a critical overview of the progress of silk-based matrices in skin regeneration therapeutics with an emphasis on recent innovations and scientific findings. Beginning with a brief description of numerous varieties of silks, the review summarizes our current understanding of the biological properties of silk that help in the wound healing process. Various silk varieties such as silkworm silk fibroin, silk sericin, native spider silk and recombinant silk materials have been explored for cutaneous wound healing applications from the past few decades. With an aim to harness the regenerative properties of silk, numerous strategies have been applied to develop functional bioactive wound dressings and viable bio-artificial skin grafts in recent times. The review examines multiple inherent properties of silk that aid in the critical events of the healing process such as cell migration, cell proliferation, angiogenesis, and re-epithelialization. A detailed insight into the progress of silk-based cellular skin grafts is also provided that discusses various co-culture strategies and development of bilayer and tri-layer human skin equivalent under in vitro conditions. In addition, functionalized silk matrices loaded with bioactive molecules and antibacterial compounds are discussed, which have shown great potential in treating hard-to-heal wounds. Finally, clinical studies performed using silk-based translational products are reviewed that validate their regenerative properties and future applications in this area. STATEMENT OF SIGNIFICANCE: The review article discusses the recent advances in silk-based technologies for wound healing applications, covering various types of silk biomaterials and their properties suitable for wound repair and regeneration. The article demonstrates the progress of silk-based matrices with an update on the patented technologies and clinical advancements over the years. The rationale behind this review is to highlight numerous properties of silk biomaterials that aid in all the critical events of the wound healing process towards skin regeneration. Functionalization strategies to fabricate silk dressings containing bioactive molecules and antimicrobial compounds for drug delivery to the wound bed are discussed. In addition, a separate section describes the approaches taken to generate living human skin equivalent that have recently contributed in the field of skin tissue engineering.
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70
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Teng G, Zhang X, Zhang C, Chen L, Sun W, Qiu T, Zhang J. Lappaconitine trifluoroacetate contained polyvinyl alcohol nanofibrous membranes: Characterization, biological activities and transdermal application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110515. [PMID: 31924037 DOI: 10.1016/j.msec.2019.110515] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 11/27/2019] [Accepted: 11/29/2019] [Indexed: 11/25/2022]
Abstract
Lappaconitine (LA), a potent analgesic drug extracted from the root of natural aconitum species, has been clinically used for years because of its effectiveness and non-addictive properties. However, it is mainly limited in oral and intravenous administration in the form of Lappaconitine Hydrobromide (LAH). In this work, Lappaconitine trifluoroacetate (LAF), a new derivative of LA, was successfully obtained by introducing organofluorine group to LA. This new compound had a lower toxicity (LD50 of 21.14 mg·kg-1), improved analgesic effect and longer half-life (T1/2 of 2.24 h) when compared with LAH. Moreover, in vitro transdermal permeation (Jss of 206.82 μg·cm-2·h-1) of LAF was 30.54% higher than that of LAH, means that LAF can be conveniently used for transdermal drug delivery (TDD). Therefore, drug membranes with PVA solution (10 wt%) containing LAF in various amounts were fabricated by electrospinning. The in vitro release tests confirmed that up to 81.43% of LAF in the PVA/LAF nanofibrous membranes could be released in 72 h, accompanied by significant analgesic effect when compared with the blank control group. In conclusion, the prepared LAF-loaded membrane is a novel formulation for the treatment of chronic and long-term pain.
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Affiliation(s)
- Guixiang Teng
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China; Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Northwest Normal University, Lanzhou 730070, PR China.
| | - Xifeng Zhang
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China; Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Northwest Normal University, Lanzhou 730070, PR China; The College of Agriculture and Biotechnology, Hexi University, Zhangye, Gansu 734000, PR China
| | - Chun Zhang
- School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, PR China
| | - Lele Chen
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China; Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Northwest Normal University, Lanzhou 730070, PR China
| | - Wenxiu Sun
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China; College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, PR China
| | - Ting Qiu
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China
| | - Ji Zhang
- College of Life Science, Northwest Normal University, Lanzhou 730070, PR China; Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Northwest Normal University, Lanzhou 730070, PR China.
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Sen S, Basak P, Prasad Sinha B, Maurye P, Kumar Jaiswal K, Das P, Kumar Mandal T. Anti-inflammatory effect of epidermal growth factor conjugated silk fibroin immobilized polyurethane ameliorates diabetic burn wound healing. Int J Biol Macromol 2020; 143:1009-1032. [DOI: 10.1016/j.ijbiomac.2019.09.219] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/22/2019] [Accepted: 09/23/2019] [Indexed: 01/21/2023]
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72
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Silk fibroin for skin injury repair: Where do things stand? Adv Drug Deliv Rev 2020; 153:28-53. [PMID: 31678360 DOI: 10.1016/j.addr.2019.09.003] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 09/12/2019] [Accepted: 09/26/2019] [Indexed: 12/29/2022]
Abstract
Several synthetic and natural materials are used in soft tissue engineering and regenerative medicine with varying degrees of success. Among them, silkworm silk protein fibroin, a naturally occurring protein-based biomaterial, exhibits many promising characteristics such as biocompatibility, controllable biodegradability, tunable mechanical properties, aqueous preparation, minimal inflammation in host tissue, low cost and ease of use. Silk fibroin is often used alone or in combination with other materials in various formats and is also a promising delivery system for bioactive compounds as part of such repair scenarios. These properties make silk fibroin an excellent biomaterial for skin tissue engineering and repair applications. This review focuses on the promising characteristics and recent advances in the use of silk fibroin for skin wound healing and/or soft-tissue repair applications. The benefits and limitations of silk fibroin as a scaffolding biomaterial in this context are also discussed. STATEMENT OF SIGNIFICANCE: Silk protein fibroin is a natural biomaterial with important biological and mechanical properties for soft tissue engineering applications. Silk fibroin is obtained from silkworms and can be purified using alkali or enzyme based degumming (removal of glue protein sericin) procedures. Fibroin is used alone or in combination with other materials in different scaffold forms, such as nanofibrous mats, hydrogels, sponges or films tailored for specific applications. The investigations carried out using silk fibroin or its blends in skin tissue engineering have increased dramatically in recent years due to the advantages of this unique biomaterial. This review focuses on the promising characteristics of silk fibroin for skin wound healing and/or soft-tissue repair applications.
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Arasteh S, Katebifar S, Shirazi R, Kazemnejad S. Differentiation of Menstrual Blood Stem Cells into Keratinocyte-Like Cells on Bilayer Nanofibrous Scaffold. Methods Mol Biol 2020; 2125:129-156. [PMID: 30187401 DOI: 10.1007/7651_2018_193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Skin tissue engineering is a high-throughput technology to heal the wounds. Already, considerable advances have been achieved using stem cells for wound healing applications. Menstrual blood stem cell (MenSC) is an available and accessible source of stem cells that have differentiation potential into a wide range of lineages like keratinocytes. Extracellular matrix like substratum plays an impressive role in skin regeneration as an attachment site for stem cells by transmitting the bioactive signals and provoking stem cells to differentiate into keratinocyte lineage. The biomimetic nanofibrous scaffold especially in bilayer format has been extensively utilized to develop skin equivalents. This chapter explains detailed protocols of keratinocyte differentiation of MenSCs on bilayer scaffold comprising amniotic membrane and fibroin nanofibers. The isolated MenSCs are seeded on the nanofibers and subsequently differentiated into keratinocyte lineage in co-culture with foreskin-derived keratinocytes. Immunofluorescence staining is used to evaluate the development of seeded MenSCs in bilayer scaffold into keratinocyte-like cells.
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Affiliation(s)
- Shaghayegh Arasteh
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Sara Katebifar
- Biomedical Engineering Department, University of Connecticut, Hartford, CT, USA
| | - Reza Shirazi
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Somaieh Kazemnejad
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
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Affiliation(s)
- Aleksei Solomonov
- Department of Materials and Interfaces Weizmann Institute of Science 7610001 Rehovot Israel
| | - Ulyana Shimanovich
- Department of Materials and Interfaces Weizmann Institute of Science 7610001 Rehovot Israel
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Wali A, Gorain M, Inamdar S, Kundu G, Badiger M. In Vivo Wound Healing Performance of Halloysite Clay and Gentamicin-Incorporated Cellulose Ether-PVA Electrospun Nanofiber Mats. ACS APPLIED BIO MATERIALS 2019; 2:4324-4334. [DOI: 10.1021/acsabm.9b00589] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Ashwini Wali
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra 411008, India
- Department of Chemical Engineering, Vishwakarma Institute of Technology, Bibwewadi, Pune, Maharashtra 411037, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India
| | - Satish Inamdar
- Department of Chemical Engineering, Vishwakarma Institute of Technology, Bibwewadi, Pune, Maharashtra 411037, India
| | - Gopal Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science, Pune, Maharashtra 411007, India
| | - Manohar Badiger
- Polymer Science and Engineering Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra 411008, India
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Feng T, Niu J, Pi B, Lu Y, Wang J, Zhang W, Li B, Yang H, Zhu X. Osteogenesis enhancement of silk fibroin/ α-TCP cement by N-acetyl cysteine through Wnt/β-catenin signaling pathway in vivo and vitro. J Mech Behav Biomed Mater 2019; 101:103451. [PMID: 31585350 DOI: 10.1016/j.jmbbm.2019.103451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 06/11/2019] [Accepted: 09/24/2019] [Indexed: 12/18/2022]
Abstract
High brittleness and lack osteogenesis are two major limitations of calcium phosphate cement (CPC) in application in bone defect reconstruction. Here we prepared a composite calcium phosphate cement by mixing N-acetyl cysteine loaded silk fibroin solution with α-tricalcium phosphate. In vitro cytology experiment revealed that SF-NAC/α-TCP could significantly increase the activity of exocrine ALP and up-regulated expression of bone-related genes. However, NAC up-regulated gene expression could be significantly suppressed by DKK1. We propose that NAC functioning as osteogenic factor by activating the Wnt/β-catenin signaling pathway may be the possible mechanism of up-regulation of osteogenic genes. Bone regeneration in vivo shown in a rat femur defect was enhanced by the addition of NAC in SF/α-TCP. In addition, the combination intensity of cement-bone interface was improved. The combination SF-NAC/α-TCP might be developed into a promising tool for bone tissue repair in the clinic.
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Affiliation(s)
- Tao Feng
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Junjie Niu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Bin Pi
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Yingjie Lu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Jinning Wang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Wen Zhang
- Orthopedic Institute of Soochow University, Suzhou, 215006, China
| | - Bin Li
- Orthopedic Institute of Soochow University, Suzhou, 215006, China
| | - Huilin Yang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Xuesong Zhu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
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Wang Y, Xu S, Wang R, Chen W, Hou K, Tian C, Ji Y, Yang Q, Yu L, Lu Z, Zhao P, Xia Q, Wang F. Genetic fabrication of functional silk mats with improved cell proliferation activity for medical applications. Biomater Sci 2019; 7:4536-4546. [PMID: 31536077 DOI: 10.1039/c9bm01285k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Functional silk mats with improved cell proliferation activity are promising medical materials to accelerate damaged wound healing and tissue repair. In this study, novel functional silk mats were fabricated from human fibroblast growth factor (FGF)-containing cocoons generated by expressing human acid FGF1 and basic FGF2 in silkworms. First, functional silk mats containing FGF1 and FGF2 proteins alone or in combination were fabricated by physically cutting genetically engineered cocoons. Compared to those of normal silk mats, the physical properties of these functional silk mats such as silk fibre diameter, internal secondary structure, and mechanical properties were significantly changed. The expressed FGF1 and FGF2 proteins in these silk mats were efficiently and gradually released over 15 days. Moreover, these silk mats significantly promoted NIH/3T3 cell proliferation and growth by activating the extracellular signal-regulated kinase (ERK) pathway, and the silk mat containing FGF1 and FGF2 proteins showed higher cell proliferation. Importantly, this silk mat caused no obvious cytotoxicity or cell inflammation. These results suggest that these functional silk mats have potential medical applications.
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Affiliation(s)
- Yuancheng Wang
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Sheng Xu
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Riyuan Wang
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Wenjing Chen
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Kai Hou
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Chi Tian
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Yanting Ji
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Qianqian Yang
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Ling Yu
- Institute for Clean Energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, People's Republic of China
| | - Zhisong Lu
- Institute for Clean Energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, People's Republic of China
| | - Ping Zhao
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China
| | - Qingyou Xia
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China and Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, People's Republic of China
| | - Feng Wang
- Biological Science Research Center, Southwest University, Chongqing 400715, People's Republic of China. and Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, People's Republic of China and Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400715, People's Republic of China
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78
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Janani G, Kumar M, Chouhan D, Moses JC, Gangrade A, Bhattacharjee S, Mandal BB. Insight into Silk-Based Biomaterials: From Physicochemical Attributes to Recent Biomedical Applications. ACS APPLIED BIO MATERIALS 2019; 2:5460-5491. [DOI: 10.1021/acsabm.9b00576] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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79
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Chouhan D, Dey N, Bhardwaj N, Mandal BB. Emerging and innovative approaches for wound healing and skin regeneration: Current status and advances. Biomaterials 2019; 216:119267. [DOI: 10.1016/j.biomaterials.2019.119267] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/25/2019] [Accepted: 06/08/2019] [Indexed: 12/17/2022]
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80
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Han L, Li P, Tang P, Wang X, Zhou T, Wang K, Ren F, Guo T, Lu X. Mussel-inspired cryogels for promoting wound regeneration through photobiostimulation, modulating inflammatory responses and suppressing bacterial invasion. NANOSCALE 2019; 11:15846-15861. [PMID: 31289795 DOI: 10.1039/c9nr03095f] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Wound healing is a complex and dynamic process, and involves a series of events, which create a unique microenvironment at the wound sites. It is highly desirable to develop multi-functional skin substitutes which can play their roles in the whole healing processes to enhance the final healing efficiency. Herein, we fabricated a mussel-inspired chitosan/silk fibroin cryogel functionalized with near-infrared light-responsive polydopamine nanoparticles (PDA-NPs), as a multifunctional platform to regulate the wound microenvironment and enhance efficient wound healing. The cryogel has an extracellular matrix-like macroporous structure, mimicking the natural tissue environment, which allows cell attachment and tissue ingrowth. The cryogel shows high anti-oxidative activity to eliminate overproduced reactive oxygen species during inflammatory responses. Furthermore, the cryogel exhibits photothermally assisted antibacterial activity to prevent bacterial invasion. Thus, by combining the photobiostimulation of infrared light, the cryogel realizes bio-chemo-photothermal synergistic therapy for accelerating the complete skin-thickness wound healing by simultaneously suppressing adverse events due to its antibacterial activity and anti-oxidative ability, and promoting cell activities and tissue regeneration. Our work therefore presents the great promise shown by this multifunctional biopolymer cryogel as a flexible wound dressing with combinatory therapy for accelerating wound healing.
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Affiliation(s)
- Lu Han
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China.
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81
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Silk: A Promising Biomaterial Opening New Vistas Towards Affordable Healthcare Solutions. J Indian Inst Sci 2019. [DOI: 10.1007/s41745-019-00114-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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82
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Sun Y, Cheng S, Lu W, Wang Y, Zhang P, Yao Q. Electrospun fibers and their application in drug controlled release, biological dressings, tissue repair, and enzyme immobilization. RSC Adv 2019; 9:25712-25729. [PMID: 35530076 PMCID: PMC9070372 DOI: 10.1039/c9ra05012d] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 08/12/2019] [Indexed: 12/14/2022] Open
Abstract
Electrospinning is a method of preparing microfibers or nanofibers by using an electrostatic force to stretch the electrospinning fluid. Electrospinning has gained considerable attention in many fields due to its ability to produce continuous fibers from a variety of polymers and composites in a simple way. Electrospun nanofibers have many merits such as diverse chemical composition, easily adjustable structure, adjustable diameter, high surface area, high porosity, and good pore connectivity, which give them broad application prospects in the biomedical field. This review systematically introduced the factors influencing electrospinning, the types of electrospun fibers, the types of electrospinning, and the detailed applications of electrospun fibers in controlled drug release, biological dressings, tissue repair and enzyme immobilization fields. The latest progress of using electrospun fibers in these fields was summarized, and the main challenges to be solved in electrospinning technology were put forward.
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Affiliation(s)
- Yue Sun
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Shihong Cheng
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Wenjuan Lu
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Yanfeng Wang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Pingping Zhang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
| | - Qingqiang Yao
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences Jinan 250062 Shandong China
- Institute of Materia Medica, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health, Key Laboratory for Rare & Uncommon Diseases of Shandong Province Jinan 250062 Shandong China +86-0531-82919706 +86-0531-82919706
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83
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Chouhan D, Lohe TU, Thatikonda N, Naidu VGM, Hedhammar M, Mandal BB. Silkworm Silk Scaffolds Functionalized with Recombinant Spider Silk Containing a Fibronectin Motif Promotes Healing of Full-Thickness Burn Wounds. ACS Biomater Sci Eng 2019; 5:4634-4645. [DOI: 10.1021/acsbiomaterials.9b00887] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Tshewuzo-u Lohe
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research, Guwahati, Guwahati 781032, Assam, India
| | - Naresh Thatikonda
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, Stockholm 106 91, Sweden
| | - VGM Naidu
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research, Guwahati, Guwahati 781032, Assam, India
| | - My Hedhammar
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, Stockholm 106 91, Sweden
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84
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Wu X, Liu R, Lao TT. Therapeutic compression materials and wound dressings for chronic venous insufficiency: A comprehensive review. J Biomed Mater Res B Appl Biomater 2019; 108:892-909. [PMID: 31339655 DOI: 10.1002/jbm.b.34443] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 04/06/2019] [Accepted: 06/28/2019] [Indexed: 01/15/2023]
Abstract
Chronic venous insufficiency (CVI) is a common disorder worldwide. Related pathophysiological mechanisms reportedly involve venous pooling and reduced venous return, leading to heaviness, aching, itchiness, tiredness, varicosities, pigmentation, and even lower limb ulceration. Approaches adopted to manage CVI at various stages of clinical-etiology-anatomy-pathophysiology include compression therapy, pharmacological treatment, ultrasound treatment, surgery, electrical or wireless microcurrent stimulation, and pulsed electromagnetic treatment. Among these, polymer-based therapeutic compression materials and wound dressings play increasingly key roles in treating all stages of CVI because of their unique physical, mechanical, chemical, and biological functions. However, the characteristics, working mechanisms, and effectiveness of these CVI treatment materials are not comprehensively understood. The present systematic review examines the structures, properties, types, and applications of various polymer-based compression materials and wound dressings used in prophylaxis and treatment of CVI. Existing problems, limitations, and future trends of CVI treatment materials are also discussed. This review could contribute to the design and application of new functional polymer materials and dressings to enhance the efficiency of CVI treatments, thereby facilitating patients' self-care ability and long-term health improvement.
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Affiliation(s)
- Xinbo Wu
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Rong Liu
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Terence T Lao
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
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85
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Kaur A, Midha S, Giri S, Mohanty S. Functional Skin Grafts: Where Biomaterials Meet Stem Cells. Stem Cells Int 2019; 2019:1286054. [PMID: 31354835 PMCID: PMC6636521 DOI: 10.1155/2019/1286054] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 05/21/2019] [Indexed: 12/22/2022] Open
Abstract
Skin tissue engineering has attained several clinical milestones making remarkable progress over the past decades. Skin is inhabited by a plethora of cells spatiotemporally arranged in a 3-dimensional (3D) matrix, creating a complex microenvironment of cell-matrix interactions. This complexity makes it difficult to mimic the native skin structure using conventional tissue engineering approaches. With the advent of newer fabrication strategies, the field is evolving rapidly. However, there is still a long way before an artificial skin substitute can fully mimic the functions and anatomical hierarchy of native human skin. The current focus of skin tissue engineers is primarily to develop a 3D construct that maintains the functionality of cultured cells in a guided manner over a period of time. While several natural and synthetic biopolymers have been translated, only partial clinical success is attained so far. Key challenges include the hierarchical complexity of skin anatomy; compositional mismatch in terms of material properties (stiffness, roughness, wettability) and degradation rate; biological complications like varied cell numbers, cell types, matrix gradients in each layer, varied immune responses, and varied methods of fabrication. In addition, with newer biomaterials being adopted for fabricating patient-specific skin substitutes, issues related to escalating processing costs, scalability, and stability of the constructs under in vivo conditions have raised some concerns. This review provides an overview of the field of skin regenerative medicine, existing clinical therapies, and limitations of the current techniques. We have further elaborated on the upcoming tissue engineering strategies that may serve as promising alternatives for generating functional skin substitutes, the pros and cons associated with each technique, and scope of their translational potential in the treatment of chronic skin ailments.
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Affiliation(s)
- Amtoj Kaur
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Swati Midha
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Shibashish Giri
- Department of Cell Techniques and Applied Stem Cell Biology, Centre for Biotechnology and Biomedicine, University of Leipzig, Deutscher Platz 5, D-04103 Leipzig, Germany
- Department of Plastic Surgery and Hand Surgery, University Hospital Rechts der Isar, Technische Universität München, Munich, Germany
| | - Sujata Mohanty
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
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86
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Chouhan D, Das P, Thatikonda N, Nandi SK, Hedhammar M, Mandal BB. Silkworm Silk Matrices Coated with Functionalized Spider Silk Accelerate Healing of Diabetic Wounds. ACS Biomater Sci Eng 2019; 5:3537-3548. [PMID: 33405736 DOI: 10.1021/acsbiomaterials.9b00514] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Complex cutaneous wounds like diabetic foot ulcers represent a critical clinical challenge and demand a large-scale and low-cost strategy for effective treatment. Herein, we use a rabbit animal model to investigate efficacy of bioactive wound dressings made up of silk biomaterials. Nanofibrous mats of Antheraea assama silkworm silk fibroin (AaSF) are coated with various recombinant spider silk fusion proteins through silk-silk interactions to fabricate multifunctional wound dressings. Two different types of spider silk coatings are used to compare their healing efficiency: FN-4RepCT (contains a cell binding motif derived from fibronectin) and Lac-4RepCT (contains a cationic antimicrobial peptide from lactoferricin). AaSF mats coated with spider silk show accelerated wound healing properties in comparison to the uncoated mats. Among the spider silk coated variants, dual coating of FN-4RepCT and Lac-4RepCT on top of AaSF mat demonstrated better wound healing efficiency, followed by FN-4RepCT and Lac-4RepCT single coated counterparts. The in vivo study also reveals excellent skin regeneration by the functionalized silk dressings in comparison to commercially used Duoderm dressing and untreated wounds. The spider silk coatings demonstrate early granulation tissue development, re-epithelialization, and efficient matrix remodelling of wounds. The results thus validate potential of bioactive silk matrices in faster repair of diabetic wounds.
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Affiliation(s)
- Dimple Chouhan
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Piyali Das
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal 700037, India
| | - Naresh Thatikonda
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, Stockholm 106 91, Sweden
| | - Samit K Nandi
- Department of Veterinary Surgery and Radiology, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal 700037, India
| | - My Hedhammar
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, Stockholm 106 91, Sweden
| | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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87
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Almouemen N, Kelly HM, O'Leary C. Tissue Engineering: Understanding the Role of Biomaterials and Biophysical Forces on Cell Functionality Through Computational and Structural Biotechnology Analytical Methods. Comput Struct Biotechnol J 2019; 17:591-598. [PMID: 31080565 PMCID: PMC6502738 DOI: 10.1016/j.csbj.2019.04.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 03/26/2019] [Accepted: 04/13/2019] [Indexed: 12/13/2022] Open
Abstract
Within the past 25 years, tissue engineering (TE) has grown enormously as a science and as an industry. Although classically concerned with the recapitulation of tissue and organ formation in our body for regenerative medicine, the evolution of TE research is intertwined with progress in other fields through the examination of cell function and behaviour in isolated biomimetic microenvironments. As such, TE applications now extend beyond the field of tissue regeneration research, operating as a platform for modifiable, physiologically-representative in vitro models with the potential to improve the translation of novel therapeutics into the clinic through a more informed understanding of the relevant molecular biology, structural biology, anatomy, and physiology. By virtue of their biomimicry, TE constructs incorporate features of extracellular macrostructure, molecular adhesive moieties, and biomechanical properties, converging with computational and structural biotechnology advances. Accordingly, this mini-review serves to contextualise TE for the computational and structural biotechnology reader and provides an outlook on how the disciplines overlap with respect to relevant advanced analytical applications.
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Affiliation(s)
- Nour Almouemen
- School of Pharmacy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin 2, Ireland
| | - Helena M. Kelly
- School of Pharmacy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
| | - Cian O'Leary
- School of Pharmacy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
- Advanced Materials and Bioengineering Research (AMBER) Centre, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin 2, Ireland
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88
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Mehrotra S, Chouhan D, Konwarh R, Kumar M, Jadi PK, Mandal BB. Comprehensive Review on Silk at Nanoscale for Regenerative Medicine and Allied Applications. ACS Biomater Sci Eng 2019; 5:2054-2078. [PMID: 33405710 DOI: 10.1021/acsbiomaterials.8b01560] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Shreya Mehrotra
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati−781039, Assam, India
| | - Dimple Chouhan
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati−781039, Assam, India
| | - Rocktotpal Konwarh
- Biotechnology Department, Addis Ababa Science and Technology University, Addis Ababa−16417, Ethiopia
| | - Manishekhar Kumar
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati−781039, Assam, India
| | - Praveen Kumar Jadi
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati−781039, Assam, India
| | - Biman B. Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati−781039, Assam, India
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89
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Memic A, Abudula T, Mohammed HS, Joshi Navare K, Colombani T, Bencherif SA. Latest Progress in Electrospun Nanofibers for Wound Healing Applications. ACS APPLIED BIO MATERIALS 2019; 2:952-969. [DOI: 10.1021/acsabm.8b00637] [Citation(s) in RCA: 166] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Tuerdimaimaiti Abudula
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Halimatu S. Mohammed
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Kasturi Joshi Navare
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Thibault Colombani
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Sidi A. Bencherif
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
- Department of Bioengineering, Northeastern University, Boston, Massachusetts 02120, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
- Sorbonne University, UTC CNTS UMR 7338, Biomechanics and Bioengineering, University of Technology of Compiegne, 60203 Compiegne, Cedex, France
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90
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Ramadass SK, Nazir LS, Thangam R, Perumal RK, Manjubala I, Madhan B, Seetharaman S. Type I collagen peptides and nitric oxide releasing electrospun silk fibroin scaffold: A multifunctional approach for the treatment of ischemic chronic wounds. Colloids Surf B Biointerfaces 2018; 175:636-643. [PMID: 30583219 DOI: 10.1016/j.colsurfb.2018.12.025] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/10/2018] [Accepted: 12/11/2018] [Indexed: 12/19/2022]
Abstract
Biomimetic nanofibrous scaffolds targeting multiple dysfunctional processes provide a multi-pronged strategy to restore functions and regenerate the damaged tissue. This study investigates a strategy of combining a regenerative component, Type I collagen Peptide (CP), along with a nitric oxide donor, S-Nitrosoglutathione (GSNO), in the form of nanofibrous scaffold to address the non-healing diabetic ulcer. Silk Fibroin-Polyvinyl alcohol (SF-PVA) nanofibrous scaffold is used as a carrier for delivering functional moieties. The developed nanofibrous electrospun mats (SF-PVA, CP-SF-PVA, and CP-GSNO-SF-PVA) showed continuous, bead-less and randomly oriented fibers with highly porous morphology. The in vitro biocompatibility was assessed by MTT assay, DAPI-Rhodamine 123 and FITC-Phalloidin imaging studies. CP-GSNO-SF-PVA nanofibrous scaffold showed a high degree of cell attachment, spreading of F-actin with viable cell morphology and appreciable inter-cellular connection. Thus the study showed that the proliferation of fibroblast cells are mainly facilitated by the presence of collagen peptide in the nanofibrous matrix. Griess assay demonstrated immediate release of NO for a day from the developed multifunctional scaffold. These results demonstrate the in vitro efficacy of CP-GSNO and indicate the opportunity of CP-GSNO-SF-PVA nanofibrous scaffold for the treatment of ischemic non-healing ulcers.
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Affiliation(s)
- Satiesh Kumar Ramadass
- Faculty of Pharmacy, Sri Ramachandra Medical Centre and Research Institute, Chennai, Tamil Nadu, India
| | - Lone Saquib Nazir
- Department of Biomedical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Ramar Thangam
- CSIR - Central Leather Research Institute, Chennai, Tamil Nadu, India
| | | | - I Manjubala
- Department of Biomedical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Balaraman Madhan
- CSIR - Central Leather Research Institute, Chennai, Tamil Nadu, India.
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91
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Kumar M, Gupta P, Bhattacharjee S, Nandi SK, Mandal BB. Immunomodulatory injectable silk hydrogels maintaining functional islets and promoting anti-inflammatory M2 macrophage polarization. Biomaterials 2018; 187:1-17. [DOI: 10.1016/j.biomaterials.2018.09.037] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 08/28/2018] [Accepted: 09/23/2018] [Indexed: 02/08/2023]
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Chouhan D, Lohe TU, Samudrala PK, Mandal BB. In Situ Forming Injectable Silk Fibroin Hydrogel Promotes Skin Regeneration in Full Thickness Burn Wounds. Adv Healthc Mater 2018; 7:e1801092. [PMID: 30379407 DOI: 10.1002/adhm.201801092] [Citation(s) in RCA: 130] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Indexed: 01/10/2023]
Abstract
Full-thickness skin wounds, associated with deep burns or chronic wounds pose a major clinical problem. Herein, the development of in situ forming hydrogel using a natural silk fibroin (SF) biomaterial for treating burn wounds is reported. Blends of SF solutions isolated from Bombyx mori and Antheraea assama show inherent self-assembly between silk proteins and lead to irreversible gelation at body temperature. Investigation of the gelation mechanism reveals crosslinking due to formation of β-sheet structures as examined by X-ray diffraction and Fourier transform infrared spectroscopy. The SF hydrogel supports proliferation of primary human dermal fibroblasts and migration of keratinocytes comparable to collagen gel (Col) as examined under in vitro conditions. The SF hydrogel also provides an instructive and supportive matrix to the full-thickness third-degree burn wounds in vivo. A 3-week comparative study with Col indicates that SF hydrogel not only promotes wound healing but also shows transitions from inflammation to proliferation stage as observed through the expression of TNF-α and CD163 genes. Further, deposition and remodeling of collagen type I and III fibers suggests an enhanced overall tissue regeneration. Comparable results with Col demonstrate the SF hydrogel as an effective and inexpensive formulation toward a potential therapeutic approach for burn wound treatment.
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Affiliation(s)
- Dimple Chouhan
- Biomaterial and Tissue Engineering Laboratory; Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati 781039 Assam India
| | - Tshewuzo-u Lohe
- Department of Pharmacology and Toxicology; National Institute of Pharmaceutical Education and Research, Guwahati; Guwahati 781039 Assam India
| | - Pavan Kumar Samudrala
- Department of Pharmacology and Toxicology; National Institute of Pharmaceutical Education and Research, Guwahati; Guwahati 781039 Assam India
| | - Biman B. Mandal
- Biomaterial and Tissue Engineering Laboratory; Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati 781039 Assam India
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93
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94
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Suarato G, Bertorelli R, Athanassiou A. Borrowing From Nature: Biopolymers and Biocomposites as Smart Wound Care Materials. Front Bioeng Biotechnol 2018; 6:137. [PMID: 30333972 PMCID: PMC6176001 DOI: 10.3389/fbioe.2018.00137] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 09/13/2018] [Indexed: 12/23/2022] Open
Abstract
Wound repair is a complex and tightly regulated physiological process, involving the activation of various cell types throughout each subsequent step (homeostasis, inflammation, proliferation, and tissue remodeling). Any impairment within the correct sequence of the healing events could lead to chronic wounds, with potential effects on the patience quality of life, and consequent fallouts on the wound care management. Nature itself can be of inspiration for the development of fully biodegradable materials, presenting enhanced bioactive potentialities, and sustainability. Naturally-derived biopolymers are nowadays considered smart materials. They provide a versatile and tunable platform to design the appropriate extracellular matrix able to support tissue regeneration, while contrasting the onset of adverse events. In the past decades, fabrication of bioactive materials based on natural polymers, either of protein derivation or polysaccharide-based, has been extensively exploited to tackle wound-healing related problematics. However, in today's World the exclusive use of such materials is becoming an urgent challenge, to meet the demand of environmentally sustainable technologies to support our future needs, including applications in the fields of healthcare and wound management. In the following, we will briefly introduce the main physico-chemical and biological properties of some protein-based biopolymers and some naturally-derived polysaccharides. Moreover, we will present some of the recent technological processing and green fabrication approaches of novel composite materials based on these biopolymers, with particular attention on their applications in the skin tissue repair field. Lastly, we will highlight promising future perspectives for the development of a new generation of environmentally-friendly, naturally-derived, smart wound dressings.
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Affiliation(s)
- Giulia Suarato
- Smart Materials, Istituto Italiano di Tecnologia, Genoa, Italy
- In vivo Pharmacology Facility, Istituto Italiano di Tecnologia, Genoa, Italy
| | - Rosalia Bertorelli
- In vivo Pharmacology Facility, Istituto Italiano di Tecnologia, Genoa, Italy
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95
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Kim YS, Sung DK, Kong WH, Kim H, Hahn SK. Synergistic effects of hyaluronate - epidermal growth factor conjugate patch on chronic wound healing. Biomater Sci 2018; 6:1020-1030. [PMID: 29616250 DOI: 10.1039/c8bm00079d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The proteolytic microenvironment in the wound area reduces the stability and the half-life of growth factors in vivo, making difficult the topical delivery of growth factors. Here, epidermal growth factor (EGF) was conjugated to hyaluronate (HA) to improve the long-term stability against enzymatic degradation and the therapeutic effect by enhancing the biological interaction with HA receptors on skin cells. After the synthesis of HA-EGF conjugates, they were incorporated into a patch-type formulation for the facile topical application and sustained release of EGF. According to ELISA, the HA-EGF conjugates showed a long-term stability compared with native EGF. Furthermore, HA-EGF conjugates appeared to interact with skin cells through two types of HA and EGF receptors, resulting in a synergistically improved healing effect. Taken together, we could confirm the feasibility of HA-EGF conjugates for the transdermal treatment of chronic wounds.
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Affiliation(s)
- Yun Seop Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongamro, Nam-gu, Pohang, Gyeongbuk 37673, Republic of Korea.
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96
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Gilotra S, Chouhan D, Bhardwaj N, Nandi SK, Mandal BB. Potential of silk sericin based nanofibrous mats for wound dressing applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:420-432. [DOI: 10.1016/j.msec.2018.04.077] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 03/06/2018] [Accepted: 04/25/2018] [Indexed: 12/17/2022]
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97
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Buck E, Maisuria V, Tufenkji N, Cerruti M. Antibacterial Properties of PLGA Electrospun Scaffolds Containing Ciprofloxacin Incorporated by Blending or Physisorption. ACS APPLIED BIO MATERIALS 2018; 1:627-635. [DOI: 10.1021/acsabm.8b00112] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Emily Buck
- Department of Mining and Materials Engineering, McGill University, Montréal, Québec H3A 0C5, Canada
| | - Vimal Maisuria
- Department of Chemical Engineering, McGill University, Montréal, Québec H3A 0C5, Canada
| | - Nathalie Tufenkji
- Department of Chemical Engineering, McGill University, Montréal, Québec H3A 0C5, Canada
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, Montréal, Québec H3A 0C5, Canada
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98
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Chouhan D, Thatikonda N, Nilebäck L, Widhe M, Hedhammar M, Mandal BB. Recombinant Spider Silk Functionalized Silkworm Silk Matrices as Potential Bioactive Wound Dressings and Skin Grafts. ACS APPLIED MATERIALS & INTERFACES 2018; 10:23560-23572. [PMID: 29940099 DOI: 10.1021/acsami.8b05853] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Silk is considered to be a potential biomaterial for a wide number of biomedical applications. Silk fibroin (SF) can be retrieved in sufficient quantities from the cocoons produced by silkworms. While it is easy to formulate into scaffolds with favorable mechanical properties, the natural SF does not contain bioactive functions. Spider silk proteins, on the contrary, can be produced in fusion with bioactive protein domains, but the recombinant procedures are expensive, and large-scale production is challenging. We combine the two types of silk to fabricate affordable, functional tissue-engineered constructs for wound-healing applications. Nanofibrous mats and microporous scaffolds made of natural silkworm SF are used as a bulk material that are top-coated with the recombinant spider silk protein (4RepCT) in fusion with a cell-binding motif, antimicrobial peptides, and a growth factor. For this, the inherent silk properties are utilized to form interactions between the two silk types by self-assembly. The intended function, that is, improved cell adhesion, antimicrobial activity, and growth factor stimulation, could be demonstrated for the obtained functionalized silk mats. As a skin prototype, SF scaffolds coated with functionalized silk are cocultured with multiple cell types to demonstrate formation of a bilayered tissue construct with a keratinized epidermal layer under in vitro conditions. The encouraging results support this strategy of fabrication of an affordable bioactive SF-spider silk-based biomaterial for wound dressings and skin substitutes.
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Affiliation(s)
- Dimple Chouhan
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering , Indian Institute of Technology Guwahati , Guwahati 781039 , Assam , India
| | - Naresh Thatikonda
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health , KTH Royal Institute of Technology, AlbaNova University Center , 106 91 Stockholm , Sweden
| | - Linnea Nilebäck
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health , KTH Royal Institute of Technology, AlbaNova University Center , 106 91 Stockholm , Sweden
| | - Mona Widhe
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health , KTH Royal Institute of Technology, AlbaNova University Center , 106 91 Stockholm , Sweden
| | - My Hedhammar
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health , KTH Royal Institute of Technology, AlbaNova University Center , 106 91 Stockholm , Sweden
| | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering , Indian Institute of Technology Guwahati , Guwahati 781039 , Assam , India
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99
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Sustained release of herbal drugs using biodegradable scaffold for faster wound healing and better patient compliance. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:2131-2141. [PMID: 30031095 DOI: 10.1016/j.nano.2018.07.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 05/17/2018] [Accepted: 07/04/2018] [Indexed: 11/24/2022]
Abstract
Electrospun scaffold has been developed using biodegradable polymer and age old herbal drug for efficient wound healing patch with much better patient compliance. Positively charged smaller particle size (40 nm) of the drug has been prepared for greater penetration through epidermal barrier to enhance the wound healing activity of drug. Controlled drug release has been understood in terms of interactions between the components through spectroscopic techniques and calorimetric studies. In-vivo study using albino rats shows better wound healing efficiency of scaffold in terms of higher wound area contraction, minimum inflammation, faster epithelialization and vascularization. Cellular studies also endorse the scaffold as better biomaterial. Clinical studies also demonstrate fast healing of different type of wounds in presence of all three wound dressing materials with histological evidences. The complete biodegradation of the patch confirms its green nature of the developed patch.
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100
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Fabrication of 3D Self-Assembled Nonmulberry Antheraea Mylitta (tasar) Fibroin Nonwoven Mats for Wound Dressing Applications. Macromol Res 2018. [DOI: 10.1007/s13233-018-6121-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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