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Sowbhagya R, Muktha H, Ramakrishnaiah TN, Surendra AS, Sushma SM, Tejaswini C, Roopini K, Rajashekara S. Collagen as the extracellular matrix biomaterials in the arena of medical sciences. Tissue Cell 2024; 90:102497. [PMID: 39059131 DOI: 10.1016/j.tice.2024.102497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 06/26/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Collagen is a multipurpose material that has several applications in the health care, dental care, and pharmaceutical industries. Crosslinked compacted solids or lattice-like gels can be made from collagen. Biocompatibility, biodegradability, and wound-healing properties make collagen a popular scaffold material for cardiovascular, dentistry, and bone tissue engineering. Due to its essential role in the control of several of these processes, collagen has been employed as a wound-healing adjunct. It forms a major component of the extracellular matrix and regulates wound healing in its fibrillar or soluble forms. Collagen supports cardiovascular and other soft tissues. Oral wounds have been dressed with resorbable forms of collagen for closure of graft and extraction sites, and to aid healing. This present review is concentrated on the use of collagen in bone regeneration, wound healing, cardiovascular tissue engineering, and dentistry.
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Affiliation(s)
- Ramachandregowda Sowbhagya
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Harsha Muktha
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Thippenahalli Narasimhaiah Ramakrishnaiah
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Adagur Sudarshan Surendra
- Department of Biochemistry, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Subhas Madinoor Sushma
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Chandrashekar Tejaswini
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Karunakaran Roopini
- Department of Biotechnology and Genetics, M.S. Ramaiah College of Arts, Science and Commerce, 7th Main Rd, MSRIT, M S R Nagar, Mathikere, Bengaluru, Karnataka 560054, India
| | - Somashekara Rajashekara
- Department of Studies in Zoology, Centre for Applied Genetics, Bangalore University, Jnana Bharathi Campus, Off Mysuru Road, Bengaluru, Karnataka 560056, India.
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Cao H, Wang M, Ding J, Lin Y. Hydrogels: a promising therapeutic platform for inflammatory skin diseases treatment. J Mater Chem B 2024; 12:8007-8032. [PMID: 39045804 DOI: 10.1039/d4tb00887a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Inflammatory skin diseases, such as psoriasis and atopic dermatitis, pose significant health challenges due to their long-lasting nature, potential for serious complications, and significant health risks, which requires treatments that are both effective and exhibit minimal side effects. Hydrogels offer an innovative solution due to their biocompatibility, tunability, controlled drug delivery capabilities, enhanced treatment adherence and minimized side effects risk. This review explores the mechanisms that guide the design of hydrogel therapeutic platforms from multiple perspectives, focusing on the components of hydrogels, their adjustable physical and chemical properties, and their interactions with cells and drugs to underscore their clinical potential. We also examine various therapeutic agents for psoriasis and atopic dermatitis that can be integrated into hydrogels, including traditional drugs, novel compounds targeting oxidative stress, small molecule drugs, biologics, and emerging therapies, offering insights into their mechanisms and advantages. Additionally, we review clinical trial data to evaluate the effectiveness and safety of hydrogel-based treatments in managing psoriasis and atopic dermatitis under complex disease conditions. Lastly, we discuss the current challenges and future opportunities for hydrogel therapeutics in treating psoriasis and atopic dermatitis, such as improving skin barrier penetration and developing multifunctional hydrogels, and highlight emerging opportunities to enhance long-term safety and stability.
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Affiliation(s)
- Huali Cao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
- Department of Dermatology, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Ming Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
| | - Jianwei Ding
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
| | - Yiliang Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
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Thakur N, Singh B. Evaluating physiochemical characteristics of tragacanth gum-gelatin network hydrogels designed through graft copolymerization technique. Int J Biol Macromol 2024; 266:131082. [PMID: 38537849 DOI: 10.1016/j.ijbiomac.2024.131082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 03/16/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024]
Abstract
The present work deals with the evaluation of the physiochemical and biomedical properties of hydrogels derived from copolymerization of tragacanth gum (TG) and gelatin for use in drug delivery (DD) applications. Copolymers were characterized by field emission-scanning electron micrographs (FE-SEM), electron dispersion X-ray analysis (EDAX), Fourier transform infrared spectroscopy (FTIR), 13C-nuclear magnetic resonance (NMR), thermo-gravimetric analysis (TGA), differential scanning calorimetry (DSC) and X-ray diffraction (XRD) analysis. FE-SEM revealed heterogeneous morphology and XRD analysis demonstrated an amorphous nature with short range pattern of polymer chains within the copolymers. The release of the drug ofloxacin occurred through a non-Fickian diffusion mechanism and the release profile was best described by the Korsmeyer-Peppas kinetic model. The hydrogels exhibited blood compatibility and demonstrated a thrombogenicity value of 75.63 ± 1.98 % during polymer-blood interactions. Polymers revealed mucoadhesive character during polymer-mucous membrane interactions and required 119 ± 8.54 mN detachment forces to detach from the biological membrane. The copolymers illustrated the antioxidant properties as evidenced by 2, 2'-diphenylpicrylhydrazyl (DPPH) assay which demonstrated a 65.71 ± 3.68 % free radical inhibition. Swelling properties analysis demonstrated that by change in monomer and cross linker content during the reaction increased the crosslinking of the network. These results suggest that the pore size of network hydrogels could be controlled as per the requirement of DD systems. The copolymers were prepared at optimized reaction conditions using 14.54 × 10-1 molL-1 of acrylic acid monomer and 25.0 × 10-3 molL-1 of crosslinker NNMBA. The optimized hydrogels exhibited a crosslink density of 2.227 × 10-4 molcm-3 and a mesh size of 7.966 nm. Additionally, the molecular weight between two neighboring crosslinks in the hydrogels was determined to be 5332.209 gmol-1.The results indicated that the combination of protein-polysaccharide has led to the development of hydrogels suitable for potential applications in sustained drug delivery.
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Affiliation(s)
- Nistha Thakur
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India
| | - Baljit Singh
- Department of Chemistry, Himachal Pradesh University, Shimla 171005, India.
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Sahebjam F, Chambers P, Kongara K, Zhang Y, Lopez N, Jacob A, Singh P, Prabakar S. Minimizing pain in deer antler removal: Local anaesthetics in ZnO nanoparticle based collagen dressings as a promising solution. Eur J Pharm Biopharm 2024; 197:114237. [PMID: 38408710 DOI: 10.1016/j.ejpb.2024.114237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/18/2024] [Accepted: 02/23/2024] [Indexed: 02/28/2024]
Abstract
Antler removal in deer is a common practice for various purposes, including meat production and traditional medicine. However, the current industry practice using lidocaine as a local anesthetic has limitations, such as short duration of action and the potential for postoperative infections. In this study, we investigated the performance of a ZnO collagen nanocomposites loaded with local anesthetics to improve wound management and alleviate pain associated with antler removal in red deer. The research involved the preparation of collagen nanocomposites with local anesthetics and testing the drug release rates using in vitro drug release tests. Pharmacokinetic analysis was performed to evaluate the total drug release from the collagen matrix in red deer after velvet removal. Additionally, the analgesic efficacy of these collagen nanocomposite dressings was assessed after antler removal in red deer. Functionalized ZnO nanoparticles were incorporated into collagen fibers to enhance their mechanical stability and prolong drug release. The developed collagen nanocomposites aimed to slowly release local anesthetics and promote wound healing. The findings of this research could have significant implications for improving the pain management and wound healing associated with antler removal in deer. The results obtained from the in vitro drug release tests, pharmacokinetic analysis, and analgesic efficacy evaluations provide valuable insights into the understanding and development of novel approaches for antler removal procedures in red deer. The findings contribute to the advancement of knowledge in this field and lay the foundation for future implementation of improved techniques and protocols for antler removal.
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Affiliation(s)
- Farzin Sahebjam
- Tāwharau Ora, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Paul Chambers
- Tāwharau Ora, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Kavitha Kongara
- Tāwharau Ora, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Yi Zhang
- Leather and Shoe Research Association of New Zealand, PO Box 8094, Hokowhitu, Palmerston North 4446, New Zealand
| | - Nicholas Lopez
- School of Agriculture and Environment, Massey University, Palmerston North, New Zealand
| | - Antony Jacob
- Tāwharau Ora, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Preet Singh
- Tāwharau Ora, School of Veterinary Science, Massey University, Palmerston North, New Zealand.
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, PO Box 8094, Hokowhitu, Palmerston North 4446, New Zealand.
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Moazzami Goudarzi Z, Zaszczyńska A, Kowalczyk T, Sajkiewicz P. Electrospun Antimicrobial Drug Delivery Systems and Hydrogels Used for Wound Dressings. Pharmaceutics 2024; 16:93. [PMID: 38258102 PMCID: PMC10818291 DOI: 10.3390/pharmaceutics16010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/25/2023] [Accepted: 01/01/2024] [Indexed: 01/24/2024] Open
Abstract
Wounds and chronic wounds can be caused by bacterial infections and lead to discomfort in patients. To solve this problem, scientists are working to create modern wound dressings with antibacterial additives, mainly because traditional materials cannot meet the general requirements for complex wounds and cannot promote wound healing. This demand is met by material engineering, through which we can create electrospun wound dressings. Electrospun wound dressings, as well as those based on hydrogels with incorporated antibacterial compounds, can meet these requirements. This manuscript reviews recent materials used as wound dressings, discussing their formation, application, and functionalization. The focus is on presenting dressings based on electrospun materials and hydrogels. In contrast, recent advancements in wound care have highlighted the potential of thermoresponsive hydrogels as dynamic and antibacterial wound dressings. These hydrogels contain adaptable polymers that offer targeted drug delivery and show promise in managing various wound types while addressing bacterial infections. In this way, the article is intended to serve as a compendium of knowledge for researchers, medical practitioners, and biomaterials engineers, providing up-to-date information on the state of the art, possibilities of innovative solutions, and potential challenges in the area of materials used in dressings.
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Affiliation(s)
| | | | - Tomasz Kowalczyk
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, 02-106 Warsaw, Poland; (Z.M.G.); (A.Z.); (P.S.)
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Mahajan A, Sharma G, Thakur A, Singh B, Mehta H, Mittal N, Dogra S, Katare OP. Tofacitinib in dermatology: a potential opportunity for topical applicability through novel drug-delivery systems. Nanomedicine (Lond) 2024; 19:79-101. [PMID: 38197372 DOI: 10.2217/nnm-2023-0167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024] Open
Abstract
Tofacitinib is a first-generation JAK inhibitor approved by the US FDA for treating rheumatoid arthritis. It exhibits a broad-spectrum inhibitory effect with abilities to block JAK-STAT signalling. The primary objective of this review is to obtain knowledge about cutting-edge methods for effectively treating a variety of skin problems by including tofacitinib into formulations that are based on nanocarriers. The review also highlights clinical trials and offers an update on published clinical patents. Nanocarriers provide superior performance compared to conventional treatments in terms of efficacy, stability, drug bioavailability, target selectivity and sustained drug release. Current review has the potential to make significant contributions to the ongoing discussion involving dermatological treatments and the prospective impact of nanotechnology on transforming healthcare within this field.
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Affiliation(s)
- Akanksha Mahajan
- University Institute of Pharmaceutical Sciences, UGC-centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Gajanand Sharma
- University Institute of Pharmaceutical Sciences, UGC-centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Anil Thakur
- University Institute of Pharmaceutical Sciences, UGC-centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Bhupinder Singh
- University Institute of Pharmaceutical Sciences, UGC-centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
| | - Hitaishi Mehta
- Department of Dermatology, Venereology & Leprology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, 160012, India
| | - Neeraj Mittal
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
| | - Sunil Dogra
- Department of Dermatology, Venereology & Leprology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, 160012, India
| | - O P Katare
- University Institute of Pharmaceutical Sciences, UGC-centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
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Tharakan S, Raja I, Pietraru A, Sarecha E, Gresita A, Petcu E, Ilyas A, Hadjiargyrou M. The Use of Hydrogels for the Treatment of Bone Osteosarcoma via Localized Drug-Delivery and Tissue Regeneration: A Narrative Review. Gels 2023; 9:gels9040274. [PMID: 37102886 PMCID: PMC10137556 DOI: 10.3390/gels9040274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Osteosarcoma is a malignant tumor of bone that leads to poor mortality and morbidity. Management of this cancer through conventional methods involves invasive treatment options that place patients at an increased risk of adverse events. The use of hydrogels to target osteosarcoma has shown promising results both in vitro and in vivo to eradicate tumor cells while promoting bone regeneration. The loading of hydrogels with chemotherapeutic drugs provides a route for site-specific targeted therapy for osteosarcoma. Current studies demonstrate tumor regression in vivo and lysis of tumor cells in vitro when exposed to doped hydrogel scaffolds. Additionally, novel stimuli-responsive hydrogels are able to react with the tissue microenvironment to facilitate the controlled release of anti-tumor drugs and with biomechanical properties that can be modulated. This narrative review of the current literature discusses both in vitro and in vivo studies of different hydrogels, including stimuli-responsive, designed to treat bone osteosarcoma. Future applications to address patient treatment for this bone cancer are also discussed.
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Affiliation(s)
- Shebin Tharakan
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA (I.R.); (A.G.)
| | - Iman Raja
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA (I.R.); (A.G.)
| | - Annette Pietraru
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Elina Sarecha
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Andrei Gresita
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA (I.R.); (A.G.)
| | - Eugen Petcu
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA (I.R.); (A.G.)
| | - Azhar Ilyas
- Department of Electrical and Computing Engineering, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Michael Hadjiargyrou
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
- Correspondence: ; Tel.: +1-516-686-7738
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Natural polysaccharide-based biodegradable polymeric platforms for transdermal drug delivery system: a critical analysis. Drug Deliv Transl Res 2022; 12:2649-2666. [PMID: 35499715 DOI: 10.1007/s13346-022-01152-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2022] [Indexed: 12/15/2022]
Abstract
Natural biodegradable polymers generally include polysaccharides (starch, alginate, chitin/chitosan, hyaluronic acid derivatives, etc.) and proteins (collagen, gelatin, fibrin, etc.). In transdermal drug delivery systems (TDDS), these polymers play a vital role in controlling the device's drug release. It is possible that natural polymers can be used for TDDS to attain predetermined drug delivery rates due to their physicochemical properties. These polymers can be employed to market products and scale production because they are readily available and inexpensive. As a result of these polymers, new pharmaceutical delivery systems can be developed that is both regulated and targeted. The focus of this article is the application of a biodegradable polymeric platform based on natural polymers for TDDS. Due to their biocompatibility and biodegradability, natural biodegradable polymers are frequently used in biomedical applications. Additionally, these natural biodegradable polymers are being studied for their characteristics and behaviors.
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Qayoom I, Srivastava E, Kumar A. Anti-infective composite cryogel scaffold treats osteomyelitis and augments bone healing in rat femoral condyle. BIOMATERIALS ADVANCES 2022; 142:213133. [PMID: 36215747 DOI: 10.1016/j.bioadv.2022.213133] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/14/2022] [Accepted: 09/24/2022] [Indexed: 06/16/2023]
Abstract
Bone and joint infections pose a serious challenge in the orthopedic medical condition which presents a major health care problem and economic burden to the patients. The current treatment strategies adopted have a very limited successful outcome in majority of the cases and need serious reconsiderations in terms of management, diagnosis and effective treatment approach. Herein, we have developed a composite cryogel scaffold from nanohydroxyapatite and collagen mimicking natural bone composition for the local delivery of antibiotic to treat osteomyelitis. The biomimetic and biodegradable antibiotic-loaded composite scaffold was found to be biocompatible with potent osteogenic capacity and anti-infective characteristics under in vitro conditions. Moreover, the anti-infective potency of the antibiotic-loaded composite cryogel was also evaluated in rat osteomyelitis model to cure the infection and promote bone healing. It was observed that anti-infective collagen-nanohydroxyapatite composite cryogel when loaded with bone morphogenetic protein-2 (BMP-2) and zoledronic acid (ZA) could completely eradicate the infection in rat femoral condyle and simultaneously, accelerate bone healing at the dead space created during surgical procedures. The approach developed in this study is the development of biomimetic and bioactive composite carrier of antibiotics for the treatment of bone infection. The findings of this study insinuate that this antibiotic-loaded composite cryogel scaffold could potentially be used as an anti-infective biomaterial for the treatment of bone infections which will simultaneosuly promote bone healing at the dead space created during surgical procedures.
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Affiliation(s)
- Irfan Qayoom
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Ekta Srivastava
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Ashok Kumar
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, India; Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India; Center for Nanosciences, Indian Institute of Technology Kanpur, Kanpur 208016, India; The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, India; Centre of Excellence, School of Medical Research and Technology, IndianInstitute of Technology Kanpur, Kanpur-208016, UP, India.
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Structural Breakdown of Collagen Type I Elastin Blend Polymerization. Polymers (Basel) 2022; 14:polym14204434. [PMID: 36298012 PMCID: PMC9611167 DOI: 10.3390/polym14204434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022] Open
Abstract
Biopolymer blends are advantageous materials with novel properties that may show performances way beyond their individual constituents. Collagen elastin hybrid gels are a new representative of such materials as they employ elastin’s thermo switching behavior in the physiological temperature regime. Although recent studies highlight the potential applications of such systems, little is known about the interaction of collagen and elastin fibers during polymerization. In fact, the final network structure is predetermined in the early and mostly arbitrary association of the fibers. We investigated type I collagen polymerized with bovine neck ligament elastin with up to 33.3 weight percent elastin and showed, by using a plate reader, zeta potential and laser scanning microscopy (LSM) experiments, that elastin fibers bind in a lateral manner to collagen fibers. Our plate reader experiments revealed an elastin concentration-dependent increase in the polymerization rate, although the rate increase was greatest at intermediate elastin concentrations. As elastin does not significantly change the structural metrics pore size, fiber thickness or 2D anisotropy of the final gel, we are confident to conclude that elastin is incorporated homogeneously into the collagen fibers.
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pH-Responsive PVA/BC- f-GO Dressing Materials for Burn and Chronic Wound Healing with Curcumin Release Kinetics. Polymers (Basel) 2022; 14:polym14101949. [PMID: 35631834 PMCID: PMC9145507 DOI: 10.3390/polym14101949] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023] Open
Abstract
Polymeric materials have been essential biomaterials to develop hydrogels as wound dressings for sustained drug delivery and chronic wound healing. The microenvironment for wound healing is created by biocompatibility, bioactivity, and physicochemical behavior. Moreover, a bacterial infection often causes the healing process. The bacterial cellulose (BC) was functionalized using graphene oxide (GO) by hydrothermal method to have bacterial cellulose-functionalized-Graphene oxide (BC-f-GO). A simple blending method was used to crosslink BC-f-GO with polyvinyl alcohol (PVA) by tetraethyl orthosilicate (TEOS) as a crosslinker. The structural, morphological, wetting, and mechanical tests were conducted using Fourier-transform infrared spectroscopy (FTIR), Scanning electron microscope (SEM), water contact angle, and a Universal testing machine (UTM). The release of Silver-sulphadiazine and drug release kinetics were studied at various pH levels and using different mathematical models (zero-order, first-order, Higuchi, Hixson, Korsmeyer–Peppas, and Baker–Lonsdale). The antibacterial properties were conducted against Gram-positive and Gram-negative severe infection-causing pathogens. These composite hydrogels presented potential anticancer activities against the U87 cell line by an increased GO amount. The result findings show that these composite hydrogels have physical-mechanical and inherent antimicrobial properties and controlled drug release, making them an ideal approach for skin wound healing. As a result, these hydrogels were discovered to be an ideal biomaterial for skin wound healing.
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12
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Collagen Nanoparticles in Drug Delivery Systems and Tissue Engineering. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112311369] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The versatile natural polymer, collagen, has gained vast attention in biomedicine. Due to its biocompatibility, biodegradability, weak antigenicity, biomimetics and well-known safety profile, it is widely used as a drug, protein and gene carrier, and as a scaffold matrix in tissue engineering. Nanoparticles develop favorable chemical and physical properties such as increased drug half-life, improved hydrophobic drug solubility and controlled and targeted drug release. Their reduced toxicity, controllable characteristics of scaffolds and stimuli-responsive behavior make them suitable in regenerative medicine and tissue engineering. Collagen associates and absorbs nanoparticles leading to significant impacts on their biological functioning in any biofluid. This review will discuss collagen nanoparticle preparation methods and their applications and developments in drug delivery systems and tissue engineering.
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Hu J, Wang J, Zhu X, Tu RS, Nanda V, Xu F. Design Strategies to Tune the Structural and Mechanical Properties of Synthetic Collagen Hydrogels. Biomacromolecules 2021; 22:3440-3450. [PMID: 34212715 DOI: 10.1021/acs.biomac.1c00520] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As an important component of biomaterials, collagen provides three-dimensional scaffolds and biological cues for cell adhesion and proliferation in tissue engineering. Recombinant collagen-like proteins, which were initially discovered in Streptococcus pyogenes and produced in heterologous hosts, have been chemically and genetically engineered for biomaterial applications. However, existing collagen-like proteins do not form gels, limiting their utility as biomaterials. Here, we present a series of rationally designed collagen-like proteins composed of a trimerization domain, triple-helical domains with various lengths, and a pair of heterotrimeric coiled-coil sequences attached to the N- and C-termini as adhesive ends. These designed proteins fold into triple helices and form self-supporting gels. As the triple-helical domains are lengthened, the gels become less stiff, pore sizes increase, and structural anisotropy decreases. Moreover, cell-culture assay confirms that the designed proteins are noncytotoxic. This study provides a design strategy for collagen-based biomaterials. The sequence variations reveal a relationship between the protein primary structure and material properties, where variations in the cross-linking density and association energies define the gelation of the protein network.
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Affiliation(s)
- Jinyuan Hu
- Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, 214122 Wuxi, China
| | - Jie Wang
- Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, 214122 Wuxi, China
| | - Xiaonan Zhu
- Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, 214122 Wuxi, China
| | - Raymond S Tu
- Department of Chemical Engineering, The City College of City University of New York, 160 Convent Avenue, Steinman Hall T313, New York, New York 10031, United States
| | - Vikas Nanda
- Center for Advanced Biotechnology and Medicine and the Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Fei Xu
- Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, 214122 Wuxi, China
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Lin Z, Tao Y, Huang Y, Xu T, Niu W. Applications of marine collagens in bone tissue engineering. Biomed Mater 2021; 16:042007. [PMID: 33793421 DOI: 10.1088/1748-605x/abf0b6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
For decades, collagen has been among the most widely used biomaterials with several biomedical applications. Recently, researchers have shown a keen interest in collagen obtained from marine sources because of its biocompatibility, biodegradability, ease of extractability, safety, low immunogenicity, and low production costs. A wide variety of marine collagen-based scaffolds have been developed for bone tissue engineering, and these scaffolds display excellent biological effects. This review aims to provide an overview of the biological effects of marine collagen in bone engineering, such as promoting osteogenesis and collagen synthesis, inhibiting inflammation, inducing the differentiation of cartilage, and improving bone mineral density. Marine collagen holds great promise as a biomaterial in bone tissue engineering.
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Affiliation(s)
- Zhidong Lin
- The Second Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, 510006 Guangzhou, People's Republic of China. East China Institute of Digital Medical Engineering, Shangrao 334000, People's Republic of China
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15
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Mallis P, Kostakis A, Stavropoulos-Giokas C, Michalopoulos E. Future Perspectives in Small-Diameter Vascular Graft Engineering. Bioengineering (Basel) 2020; 7:E160. [PMID: 33321830 PMCID: PMC7763104 DOI: 10.3390/bioengineering7040160] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/04/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023] Open
Abstract
The increased demands of small-diameter vascular grafts (SDVGs) globally has forced the scientific society to explore alternative strategies utilizing the tissue engineering approaches. Cardiovascular disease (CVD) comprises one of the most lethal groups of non-communicable disorders worldwide. It has been estimated that in Europe, the healthcare cost for the administration of CVD is more than 169 billion €. Common manifestations involve the narrowing or occlusion of blood vessels. The replacement of damaged vessels with autologous grafts represents one of the applied therapeutic approaches in CVD. However, significant drawbacks are accompanying the above procedure; therefore, the exploration of alternative vessel sources must be performed. Engineered SDVGs can be produced through the utilization of non-degradable/degradable and naturally derived materials. Decellularized vessels represent also an alternative valuable source for the development of SDVGs. In this review, a great number of SDVG engineering approaches will be highlighted. Importantly, the state-of-the-art methodologies, which are currently employed, will be comprehensively presented. A discussion summarizing the key marks and the future perspectives of SDVG engineering will be included in this review. Taking into consideration the increased number of patients with CVD, SDVG engineering may assist significantly in cardiovascular reconstructive surgery and, therefore, the overall improvement of patients' life.
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Affiliation(s)
- Panagiotis Mallis
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, 115 27 Athens, Greece; (C.S.-G.); (E.M.)
| | - Alkiviadis Kostakis
- Center of Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, 115 27 Athens, Greece;
| | - Catherine Stavropoulos-Giokas
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, 115 27 Athens, Greece; (C.S.-G.); (E.M.)
| | - Efstathios Michalopoulos
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, 115 27 Athens, Greece; (C.S.-G.); (E.M.)
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Collagen/Chitosan Functionalization of Complex 3D Structures Fabricated by Laser Direct Writing via Two-Photon Polymerization for Enhanced Osteogenesis. Int J Mol Sci 2020; 21:ijms21176426. [PMID: 32899318 PMCID: PMC7504713 DOI: 10.3390/ijms21176426] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 11/17/2022] Open
Abstract
The fabrication of 3D microstructures is under continuous development for engineering bone substitutes. Collagen/chitosan (Col/CT) blends emerge as biomaterials that meet the mechanical and biological requirements associated with bone tissue. In this work, we optimize the osteogenic effect of 3D microstructures by their functionalization with Col/CT blends with different blending ratios. The structures were fabricated by laser direct writing via two-photons polymerization of IP-L780 photopolymer. They comprised of hexagonal and ellipsoidal units 80 µm in length, 40 µm in width and 14 µm height, separated by 20 µm pillars. Structures’ functionalization was achieved via dip coating in Col/CT blends with specific blending ratios. The osteogenic role of Col/CT functionalization of the 3D structures was confirmed by biological assays concerning the expression of alkaline phosphatase (ALP) and osteocalcin secretion as osteogenic markers and Alizarin Red (AR) as dye for mineral deposits in osteoblast-like cells seeded on the structures. The structures having ellipsoidal units showed the best results, but the trends were similar for both ellipsoidal and hexagonal units. The strongest osteogenic effect was obtained for Col/CT blending ratio of 20/80, as demonstrated by the highest ALP activity, osteocalcin secretion and AR staining intensity in the seeded cells compared to all the other samples.
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17
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Adamiak K, Sionkowska A. Current methods of collagen cross-linking: Review. Int J Biol Macromol 2020; 161:550-560. [PMID: 32534089 DOI: 10.1016/j.ijbiomac.2020.06.075] [Citation(s) in RCA: 133] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 01/16/2023]
Abstract
This review provides a report on cross-linking methods used for collagen modifications. Collagen materials have attracted significant academic interest due to its biological properties in native state. However, in many cases the mechanical properties and degradation rate should be tailored to especial biomedical and cosmetic applications. In the proposed review paper, the structure, preparation, and properties of several collagen based materials have been discussed in general, and detailed examples of collagen cross-linking methods have been drawn from scientific literature and practical work. Both, physical and chemical methods of improvement of collagenous materials have been reviewed. In the review paper the cross-linking with glutaraldehyde, genipin, EDC-NHS, dialdehyde starch, chitosan, temperature, UV light and enzyme has been discussed. A critical comparison of currently available cross-linking methods has been shown.
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Affiliation(s)
| | - Alina Sionkowska
- Nicolaus Copernicus University in Torun, Faculty of Chemistry, Department of Biomaterials and Cosmetics Chemistry, Gagarin 7 street, 87-100 Torun, Poland.
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Lim MH, Jeun JH, Kim DH, Park SH, Kim SJ, Lee WS, Hwang SH, Lim JY, Kim SW. Evaluation of Collagen Gel-Associated Human Nasal Septum-Derived Chondrocytes As a Clinically Applicable Injectable Therapeutic Agent for Cartilage Repair. Tissue Eng Regen Med 2020; 17:387-399. [PMID: 32399775 DOI: 10.1007/s13770-020-00261-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Articular cartilage injury has a poor repair ability and limited regeneration capacity with therapy based on articular chondrocytes (ACs) implantation. Here, we validated the hypothesis that human nasal septum-derived chondrocytes (hNCs) are potent therapeutic agents for clinical use in cartilage tissue engineering using an injectable hydrogel, type I collagen (COL1). METHODS We manufactured hNCs incorporated in clinical-grade soluble COL1 and investigated their clinical potential as agents in an articular defect model. RESULTS The hNCs encapsulated in COL1 (hNC-collagen) were uniformly distributed throughout the collagen and showed much greater growth rate than hACs encapsulated in collagen for the 14 days of culture. Fluorescent staining of hNC-collagen showed high expression levels of chondrocyte-specific proteins under clinical conditions. Moreover, a negative mycoplasma screening result were obtained in culture of hNC-collagen. Notably, implantation of hNC-collagen increased the repair of osteochondral defects in rats compared with implantation of collagen only. Many human cells were detected within the cartilage defects. CONCLUSION These results provide reliable evidences supporting for clinical applications of hNC-collagen in regenerative medicine for cartilage repair.
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Affiliation(s)
- Mi Hyun Lim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jung Ho Jeun
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Do Hyun Kim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Sun Hwa Park
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Seok-Jung Kim
- Department of Orthopedics, Uijeongbu St. Mary's Hospital, 271 Cheonbo-ro, Uijeongbu-si, Gyeonggi-do, 11765, Republic of Korea
| | - Weon Sun Lee
- Department of Otolaryngology-Head and Neck Surgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327 Sosa-ro, Bucheon-si, Seoul, Gyeonggi-do, 14647, Republic of Korea
| | - Se Hwan Hwang
- Department of Otolaryngology-Head and Neck Surgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327 Sosa-ro, Bucheon-si, Seoul, Gyeonggi-do, 14647, Republic of Korea.
| | - Jung Yeon Lim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea.
| | - Sung Won Kim
- Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Banpo-daero 222, Seocho-gu, Seoul, 06591, Republic of Korea.
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Bioactive Properties of Nanofibres Based on Concentrated Collagen Hydrolysate Loaded with Thyme and Oregano Essential Oils. MATERIALS 2020; 13:ma13071618. [PMID: 32244692 PMCID: PMC7178294 DOI: 10.3390/ma13071618] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 03/20/2020] [Accepted: 03/30/2020] [Indexed: 12/13/2022]
Abstract
This research aimed to obtain biocompatible and antimicrobial nanofibres based on concentrated collagen hydrolysate loaded with thyme or oregano essential oils as a natural alternative to synthesis products. The essential oils were successfully incorporated using electrospinning process into collagen resulting nanofibres with diameter from 471 nm to 580 nm and porous structure. The presence of essential oils in collagen nanofibre mats was confirmed by Attenuated Total Reflectance -Fourier Transform Infrared Spectroscopy (ATR-FTIR), Ultraviolet-visible spectroscopy (UV-VIS) and antimicrobial activity. Scanning Electron Microscopy with Energy Dispersive Spectroscopy analyses allowed evaluating the morphology and constituent elements of the nanofibre networks. Microbiological tests performed against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Candida albicans showed that the presence of essential oils supplemented the new collagen nanofibres with antimicrobial properties. The biocompatibility of collagen and collagen with essential oils was assessed by in vitro cultivation with NCTC clone 929 of fibroblastic cells and cell viability measurement. The results showed that the collagen and thyme or oregano oil composites have no cytotoxicity up to concentrations of 1000 μg·mL-1 and 500 μg mL-1, respectively. Optimization of electrospinning parameters has led to the obtaining of new collagen electrospun nanofibre mats loaded with essential oils with potential use for wound dressings, tissue engineering or protective clothing.
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Abazari M, Ghaffari A, Rashidzadeh H, Momeni Badeleh S, Maleki Y. Current status and future outlook of nano-based systems for burn wound management. J Biomed Mater Res B Appl Biomater 2019; 108:1934-1952. [PMID: 31886606 DOI: 10.1002/jbm.b.34535] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/03/2019] [Accepted: 11/16/2019] [Indexed: 01/07/2023]
Abstract
Wound healing process is a natural and intricate response of the body to its injuries and includes a well-orchestrated sequence of biochemical and cellular phenomena to restore the integrity of skin and injured tissues. Complex nature and associated complications of burn wounds lead to an incomplete and prolonged recovery of these types of wounds. Among different materials and systems which have been used in treating the wounds, nanotechnology driven therapeutic systems showed a great opportunity to improvement and enhancement of the healing process of different type of wounds. The aim of this study is to provide an overview of the recent studies about the various nanotechnology-based management of burn wounds and the future outlook of these systems in this area. Laboratory and animal models for assessing the efficacy of these systems in burn wound management also discussed.
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Affiliation(s)
- Morteza Abazari
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Azadeh Ghaffari
- Department of Food and Drug Control, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran.,Pharmaceutical Nanotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hamid Rashidzadeh
- Department of pharmaceutical biomaterial, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Safa Momeni Badeleh
- Department of Food and Drug Control, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Yaser Maleki
- Department of Nanochemistry, Institute for Advanced Studies in Basic Sciences, Zanjan, Iran
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21
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Dalisson B, Barralet J. Bioinorganics and Wound Healing. Adv Healthc Mater 2019; 8:e1900764. [PMID: 31402608 DOI: 10.1002/adhm.201900764] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/19/2019] [Indexed: 12/18/2022]
Abstract
Wound dressings and the healing enhancement (increasing healing speed and quality) are two components of wound care that lead to a proper healing. Wound care today consists mostly of providing an optimal environment by removing waste and necrotic tissues from a wound, preventing infections, and keeping the wounds adequately moist. This is however often not enough to re-establish the healing process in chronic wounds; with the local disruption of vascularization, the local environment is lacking oxygen, nutrients, and has a modified ionic and molecular concentration which limits the healing process. This disruption may affect cellular ionic pumps, energy production, chemotaxis, etc., and will affect the healing process. Biomaterials for wound healing range from simple absorbents to sophisticated bioactive delivery vehicles. Often placing a material in or on a wound can change multiple parameters such as pH, ionic concentration, and osmolarity, and it can be challenging to pinpoint key mechanism of action. This article reviews the literature of several inorganic ions and molecules and their potential effects on the different wound healing phases and their use in new wound dressings.
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Affiliation(s)
| | - Jake Barralet
- Faculty of DentistryMcGill University Montreal H3A 1G1 QC Canada
- Division of OrthopaedicsDepartment of SurgeryFaculty of MedicineMcGill University Montreal H4A 0A9 QC Canada
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22
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Barrett DJ, Linley MD, Best SM, Cameron RE. Fabrication of free standing collagen membranes by pulsed-electrophoretic deposition. Biofabrication 2019; 11:045017. [DOI: 10.1088/1758-5090/ab331d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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23
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Tihan GT, Rău I, Zgârian RG, Ungureanu C, Barbaresso RC, Kaya MGA, Dinu-Pîrvu C, Ghica MV. Oxytetracycline versus Doxycycline Collagen Sponges Designed as Potential Carrier Supports in Biomedical Applications. Pharmaceutics 2019; 11:pharmaceutics11080363. [PMID: 31344927 PMCID: PMC6722625 DOI: 10.3390/pharmaceutics11080363] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/19/2019] [Accepted: 07/20/2019] [Indexed: 11/23/2022] Open
Abstract
Many research studies are directed toward developing safe and efficient collagen-based biomaterials as carriers for drug delivery systems. This article presents a comparative study of the properties of new collagen sponges prepared and characterized by different methods intended for biomedical applications. The structural integrity is one of the main properties for a biomaterial in order for it to be easily removed from the treated area. Thus, the effect of combining a natural polymer such as collagen with an antimicrobial drug such as oxytetracycline or doxycycline and glutaraldehyde as the chemical cross-linking agent influences the cross-linking degree of the material, which is in direct relation to its resistance to collagenase digestion, the drug kinetic release profile, and in vitro biocompatibility. The enzymatic degradation results identified oxytetracycline as the best inhibitor of collagenase when the collagen sponge was cross-linked with 0.5% glutaraldehyde. The drug release kinetics revealed an extended release of the antibiotic for oxytetracycline-loaded collagen sponges compared with doxycycline-loaded collagen sponges. Considering the behavior of differently prepared sponges, the collagen sponge with oxytetracycline and 0.5% glutaraldehyde could represent a viable polymeric support for the prevention/treatment of infections at the application site, favoring tissue regeneration.
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Affiliation(s)
- Graţiela Teodora Tihan
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Polizu Street No. 1, 011061 Bucharest, Romania
| | - Ileana Rău
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Polizu Street No. 1, 011061 Bucharest, Romania
| | - Roxana Gabriela Zgârian
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Polizu Street No. 1, 011061 Bucharest, Romania.
| | - Camelia Ungureanu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Polizu Street No. 1, 011061 Bucharest, Romania.
| | - Răzvan Constantin Barbaresso
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Polizu Street No. 1, 011061 Bucharest, Romania
| | - Mădălina Georgiana Albu Kaya
- Department of Collagen, Division Leather and Footwear Research Institute, National Research and Development Institute for Textile and Leather, 031215 Bucharest, Romania
| | - Cristina Dinu-Pîrvu
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", 20956 Bucharest, Romania
| | - Mihaela Violeta Ghica
- Department of Physical and Colloidal Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy "Carol Davila", 20956 Bucharest, Romania
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Perotto G, Sandri G, Pignatelli C, Milanesi G, Athanassiou A. Water-based synthesis of keratin micro- and nanoparticles with tunable mucoadhesive properties for drug delivery. J Mater Chem B 2019. [DOI: 10.1039/c9tb00443b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A water-based synthesis to produce micro and nano particles of keratin, that can be easily loaded with drugs and showed a sustained release, is reported. The particles interaction with mucin could be altered to favor or decrease their mucoadhesion.
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25
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Murawsky M, Kelm GR, Kozak D, Qin B, Zou Y, Li SK. Influencing factors on gelatin matrix for chlorhexidine delivery. Drug Dev Ind Pharm 2018; 45:314-322. [PMID: 30372644 DOI: 10.1080/03639045.2018.1539744] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
OBJECTIVE The objective was to evaluate the influencing factors in the fabrication of gelatin matrix (gelatin chips) for drug delivery. The attributes affecting drug release characteristics of the gelatin products were examined. SIGNIFICANCE Understanding the attributes that affect drug release from gelatin matrix could provide the knowledge base for the development, manufacturing, and performance evaluation of gelatin-based drug products for sustained drug delivery. METHODS Chlorhexidine (CHX) was the model drug in the gelatin-product testing. The gelatin products were fabricated by two methods: a single-pot mixing of all the components and a two-step gelatin crosslinking followed by drug loading. Different gelatin types (Type A porcine and Type B bovine), glutaraldehyde (GTA) crosslinking conditions, glycerin concentration, and CHX concentration in drug loading and loading time were used to fabricate the products. The cumulative amounts of CHX release from the gelatin products were determined using in vitro release testing (IVRT). RESULTS The attributes affecting CHX release from the gelatin products were gelatin type, GTA crosslinking, and CHX loading concentration. The fabrication methods (two-step method of gelatin crosslinking and drug loading by equilibration vs. direct mixing of the components) also affected CHX release. Other attributes such as glycerin and CHX loading time did not show significant effects on drug release under the conditions studied. In addition, the results in the two IVRT methods employed in this study were comparable. CONCLUSION Gelatin products of qualitative (Q1) and quantitative (Q2) differences could lead to different drug release behaviors. Drug release was also affected by the ingredient mixing steps during gelatin chip fabrication.
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Affiliation(s)
- Michael Murawsky
- a Division of Pharmaceutical Sciences , James L Winkle College of Pharmacy, University of Cincinnati , Cincinnati , OH , USA
| | - Gary R Kelm
- a Division of Pharmaceutical Sciences , James L Winkle College of Pharmacy, University of Cincinnati , Cincinnati , OH , USA
| | - Darby Kozak
- b Office of Research and Standards, Office of Generic Drugs, U.S. Food and Drug Administration , Silver Spring , MD , USA
| | - Bin Qin
- b Office of Research and Standards, Office of Generic Drugs, U.S. Food and Drug Administration , Silver Spring , MD , USA
| | - Yuan Zou
- b Office of Research and Standards, Office of Generic Drugs, U.S. Food and Drug Administration , Silver Spring , MD , USA
| | - S Kevin Li
- a Division of Pharmaceutical Sciences , James L Winkle College of Pharmacy, University of Cincinnati , Cincinnati , OH , USA
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Choi SM, Chaudhry P, Zo SM, Han SS. Advances in Protein-Based Materials: From Origin to Novel Biomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1078:161-210. [PMID: 30357624 DOI: 10.1007/978-981-13-0950-2_10] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Biomaterials play a very important role in biomedicine and tissue engineering where they directly affect the cellular activities and their microenvironment . Myriad of techniques have been employed to fabricate a vast number natural, artificial and recombinant polymer s in order to harness these biomaterials in tissue regene ration , drug delivery and various other applications. Despite of tremendous efforts made in this field during last few decades, advanced and new generation biomaterials are still lacking. Protein based biomaterials have emerged as an attractive alternatives due to their intrinsic properties like cell to cell interaction , structural support and cellular communications. Several protein based biomaterials like, collagen , keratin , elastin , silk protein and more recently recombinant protein s are being utilized in a number of biomedical and biotechnological processes. These protein-based biomaterials have enormous capabilities, which can completely revolutionize the biomaterial world. In this review, we address an up-to date review on the novel, protein-based biomaterials used for biomedical field including tissue engineering, medical science, regenerative medicine as well as drug delivery. Further, we have also emphasized the novel fabrication techniques associated with protein-based materials and implication of these biomaterials in the domain of biomedical engineering .
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Affiliation(s)
- Soon Mo Choi
- Regional Research Institute for Fiber&Fashion Materials, Yeungnam University, Gyeongsan, South Korea
| | - Prerna Chaudhry
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Sun Mi Zo
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea.
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Zhang Q, Zhang L, Li Z, Xie X, Gao X, Xu X. Inducing Controlled Release and Increased Tumor-Targeted Delivery of Chlorambucil via Albumin/Liposome Hybrid Nanoparticles. AAPS PharmSciTech 2017; 18:2977-2986. [PMID: 28477146 DOI: 10.1208/s12249-017-0782-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 04/13/2017] [Indexed: 12/16/2022] Open
Abstract
Liposomes possess good biocompatibility and excellent tumor-targeting capacity. However, the rapid premature release of lipophilic drugs from the lipid bilayer of liposomes has negative effect on the tumor-targeted drug delivery of liposomes. In this study, a lipophilic antitumor drug-chlorambucil (CHL)-was encapsulated into the aqueous interior of liposomes with the aid of albumin to obtain the CHL-loaded liposomes/albumin hybrid nanoparticles (CHL-Hybrids). The in vitro accumulative release rate of CHL from CHL-Hybrids was less than 50% within 48 h, while the accumulative CHL release was more than 80% for CHL-loaded liposomes (CHL-Lip). After intravenous injection into rats, the half-life (t 1/2β = 5.68 h) and maximum blood concentration (C max = 4.58 μg/mL) of CHL-Hybrids were respectively 1.1 times and 3.5 times higher than that of CHL-Lip. In addition, CHL-Hybrids had better tumor-targeting capacity for it significantly increased the drug accumulation in B16F10 tumors, which contributed to the significantly control of tumor growth compared with CHL-Lip. Furthermore, CHL-Hybrid-treated B16F10 melanoma-bearing mice displayed the longest median survival time of 30.0 days among all the treated groups. Our results illustrated that the proposed hybrids drug delivery system would be a promising strategy to maintain the controlled release of lipophilic antitumor drugs from liposomes and simultaneously facilitate the tumor-targeted drug delivery.
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28
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Zidan G, Rupenthal ID, Greene C, Seyfoddin A. Medicated ocular bandages and corneal health: potential excipients and active pharmaceutical ingredients. Pharm Dev Technol 2017; 23:255-260. [DOI: 10.1080/10837450.2017.1377232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Ghada Zidan
- Drug Delivery Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Ilva D. Rupenthal
- Buchanan Ocular Therapeutics Unit, Department of Ophthalmology, New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
- Department of Ophthalmology, New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
| | - Carol Greene
- Department of Ophthalmology, New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
| | - Ali Seyfoddin
- Drug Delivery Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
- School of Interprofessional Health Studies, Auckland University of Technology, Auckland, New Zealand
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29
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Li H, Hou J, Duan L, Ji C, Zhang Y, Chen V. Graphene oxide-enzyme hybrid nanoflowers for efficient water soluble dye removal. JOURNAL OF HAZARDOUS MATERIALS 2017; 338:93-101. [PMID: 28535481 DOI: 10.1016/j.jhazmat.2017.05.014] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 05/07/2017] [Accepted: 05/10/2017] [Indexed: 06/07/2023]
Abstract
High efficient enzyme immobilization on carbon based conductive supports could provide wide applications in energy and environmental science. Here, we synthesized a 3D flower-like structured self-assembly hybrid nanocomposite with copper phosphate, laccase, graphite oxide (GO) and carbon nanotubes (CNTs) via a facile one-pot strategy under mild conditions. The prepared nanocomposite exhibited very high enzyme loading and improved laccase activity. During the formation of the nanocomposite, the copper phosphate-laccase petals were interwined by CNTs, and GO nanosheets were further coated on the petal surface. Such a configuration ensured high enzyme loading between the GO sheets and good mass transfer efficiency between immobilized enzyme and substrate, which was confirmed by the kinetics test. We further deposited the immobilized enzyme onto electrodes and observed significantly improved direct electron transfer efficiency. Furthermore, higher dye removal efficiency was observed with the immobilized enzyme. The highly efficient enzyme immobilization strategy provides significant opportunity for its application in bioelectronics and wastewater treatment.
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Affiliation(s)
- Hui Li
- School of Chemical Engineering and Energy, Zhengzhou University,Science Road 100, Zhengzhou 450001, China
| | - Jingwei Hou
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, Australia.
| | - Linlin Duan
- School of Chemical Engineering and Energy, Zhengzhou University,Science Road 100, Zhengzhou 450001, China
| | - Chao Ji
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, Australia
| | - Yatao Zhang
- School of Chemical Engineering and Energy, Zhengzhou University,Science Road 100, Zhengzhou 450001, China.
| | - Vicki Chen
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, University of New South Wales, Sydney, Australia
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30
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Biocompatibility of hydrogel-based scaffolds for tissue engineering applications. Biotechnol Adv 2017; 35:530-544. [DOI: 10.1016/j.biotechadv.2017.05.006] [Citation(s) in RCA: 407] [Impact Index Per Article: 58.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 05/08/2017] [Accepted: 05/22/2017] [Indexed: 12/15/2022]
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31
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Cudjoe E, Younesi M, Cudjoe E, Akkus O, Rowan SJ. Synthesis and Fabrication of Nanocomposite Fibers of Collagen-Cellulose Nanocrystals by Coelectrocompaction. Biomacromolecules 2017; 18:1259-1267. [DOI: 10.1021/acs.biomac.7b00005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Elvis Cudjoe
- Department of Macromolecular
Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Mousa Younesi
- Department of Mechanical and Aerospace
Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Edward Cudjoe
- Department of Mechanical and Aerospace
Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Ozan Akkus
- Department of Mechanical and Aerospace
Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Stuart J. Rowan
- Department of Macromolecular
Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
- Institute for Molecular Engineering and Department of Chemistry, University of Chicago, 5640 S. Ellis Avenue, Chicago, Illinois 60637, United States
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32
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Rapetto F, Bruno VD, Guida G, Marsico R, Chivasso P, Zebele C. Gentamicin-Impregnated Collagen Sponge: Effectiveness in Preventing Sternal Wound Infection in High-Risk Cardiac Surgery. Drug Target Insights 2016; 10:9-13. [PMID: 27279734 PMCID: PMC4886695 DOI: 10.4137/dti.s39077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/05/2016] [Accepted: 04/11/2016] [Indexed: 11/13/2022] Open
Abstract
Sternal wound infections represent one of the most frequent complications after cardiac surgery and are associated with high postoperative mortality. Several preventive methods have been introduced, and recently, gentamicin-impregnated collagen sponges (GICSs) have shown a promising effect in reducing the incidence of this type of complications. Gentamicin is an aminoglycoside antibiotic that has been widely used to treat infections caused by multiresistant bacteria; despite its effectiveness, its systemic use carries a risk of toxicity. GICSs appear to overcome this side effect, topically delivering high antibiotic concentrations to the wound and thus reducing the toxic-related events. Although several retrospective analyses and randomized controlled trials have studied the use of GICSs in cardiac surgery, conclusions regarding their efficacy in preventing sternal wound infection are inconsistent. We have reviewed the current literature focusing on high-risk patients.
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Affiliation(s)
- Filippo Rapetto
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, UK
| | - Vito D Bruno
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, UK
| | - Gustavo Guida
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, UK
| | - Roberto Marsico
- Department of Cardiac Surgery, Bristol Heart Institute, Bristol, UK
| | | | - Carlo Zebele
- Department of Cardiac Surgery, Citta' di Lecce Hospital, Lecce, Italy
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Dhivya S, Padma VV, Santhini E. Wound dressings - a review. Biomedicine (Taipei) 2015; 5:22. [PMID: 26615539 PMCID: PMC4662938 DOI: 10.7603/s40681-015-0022-9] [Citation(s) in RCA: 695] [Impact Index Per Article: 77.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/29/2015] [Indexed: 12/11/2022] Open
Abstract
Wound healing is a dynamic and complex process which requires suitable environment to promote healing process. With the advancement in technology, more than 3000 products have been developed to treat different types of wounds by targeting various aspects of healing process. The present review traces the history of dressings from its earliest inception to the current status and also discusses the advantage and limitations of the dressing materials.
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Affiliation(s)
- Selvaraj Dhivya
- Centre of Excellence for Medical Textiles, The South India Textile Research Association, 641014, Tamil Nadu, Coimbatore, India
- Department of Biotechnology, Bharathiar University, 641044, Tamil Nadu, Coimbatore, India
| | | | - Elango Santhini
- Centre of Excellence for Medical Textiles, The South India Textile Research Association, 641014, Tamil Nadu, Coimbatore, India.
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34
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Montemurro F, De Maria C, Orsi G, Ghezzi L, Tinè MR, Vozzi G. Genipin diffusion and reaction into a gelatin matrix for tissue engineering applications. J Biomed Mater Res B Appl Biomater 2015; 105:473-480. [PMID: 26540388 DOI: 10.1002/jbm.b.33569] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 10/09/2015] [Accepted: 10/21/2015] [Indexed: 11/07/2022]
Abstract
Genipin is a natural low-toxic cross-linker for molecules with primary amino groups, and its use with collagen and gelatin has shown a great potential in tissue engineering applications. The fabrication of scaffolds with a well-organized micro and macro topology using additive manufacturing systems requires an accurate control of working parameters, such as reaction rate, gelling time, and diffusion constant. A polymeric system of 5% w/v gelatin in PBS with 2 mg/mL collagen solutions in a 1:1 weight ratio was used as template to perform measurements varying genipin concentration in a range of 0.1-1.5% w/w with respect to gelatin. In the first part of this work, the reaction rate of the polymeric system was estimated using a new colorimetric analysis of the reaction. Then its workability time, closely related to the gelling time, was evaluated thanks to rheological analysis: finally, the quantification of static and dynamic diffusion constants of genipin across nonreacting and reacting membranes, made respectively by agarose and gelatin, was performed. It was shown that the colorimetric analysis is a good indicator of the reaction progress. The gelling time depends on the genipin concentration, but a workability window of 40 min guaranteed up to 0.5% w/w genipin. The dynamic diffusion constant of genipin in the proposed polymeric system is in the order of magnitude of 10-7 . The obtained results indicated the possibility to use the genipin, gelatin, and collagen, in the proposed concentrations, to build well-defined hydrogel scaffolds with both extrusion-based and 3D ink-jet system. © 2015 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 473-480, 2017.
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Affiliation(s)
- Francesca Montemurro
- Research Center "E. Piaggio", University of Pisa, largo Lucio Lazzarino 1, 56122, Pisa, Italy
| | - Carmelo De Maria
- Research Center "E. Piaggio", University of Pisa, largo Lucio Lazzarino 1, 56122, Pisa, Italy
| | - Gianni Orsi
- Research Center "E. Piaggio", University of Pisa, largo Lucio Lazzarino 1, 56122, Pisa, Italy
| | - Lisa Ghezzi
- Department of Chemistry and Industrial Chemistry, University of Pisa, via G. Moruzzi 3, 56124, Pisa, Italy
| | - Maria Rosaria Tinè
- Department of Chemistry and Industrial Chemistry, University of Pisa, via G. Moruzzi 3, 56124, Pisa, Italy
| | - Giovanni Vozzi
- Research Center "E. Piaggio", University of Pisa, largo Lucio Lazzarino 1, 56122, Pisa, Italy.,Department of Information Engineering, University of Pisa, via G. Caruso 16, 56122, Pisa, Italy
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35
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Bettini S, Bonfrate V, Syrgiannis Z, Sannino A, Salvatore L, Madaghiele M, Valli L, Giancane G. Biocompatible Collagen Paramagnetic Scaffold for Controlled Drug Release. Biomacromolecules 2015; 16:2599-608. [PMID: 26270197 DOI: 10.1021/acs.biomac.5b00829] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A porous collagen-based hydrogel scaffold was prepared in the presence of iron oxide nanoparticles (NPs) and was characterized by means of infrared spectroscopy and scanning electron microscopy. The hybrid scaffold was then loaded with fluorescein sodium salt as a model compound. The release of the hydrosoluble species was triggered and accurately controlled by the application of an external magnetic field, as monitored by fluorescence spectroscopy. The biocompatibility of the proposed matrix was also tested by the MTT assay performed on 3T3 cells. Cell viability was only slightly reduced when the cells were incubated in the presence of the collagen-NP hydrogel, compared to controls. The economicity of the chemical protocol used to obtain the paramagnetic scaffolds as well as their biocompatibility and the safety of the external trigger needed to induce the drug release suggest the proposed collagen paramagnetic matrices for a number of applications including tissue engeneering and drug delivery.
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Affiliation(s)
- Simona Bettini
- Department of Biological and Environmental Sciences and Technologies, DISTEBA, University of Salento , Via per Arnesano, I-73100 Lecce, Italy
| | - Valentina Bonfrate
- Department of Engineering for Innovation, Campus University Ecotekne , Via per Monteroni, I-73100 Lecce, Italy
| | - Zois Syrgiannis
- Centre of Excellence for Nanostructured Materials (CENMAT), INSTM, Unit of Trieste, Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste , via L. Giorgieri 1, 34127, Trieste, Italy
| | - Alessandro Sannino
- Department of Engineering for Innovation, Campus University Ecotekne , Via per Monteroni, I-73100 Lecce, Italy
| | - Luca Salvatore
- Department of Engineering for Innovation, Campus University Ecotekne , Via per Monteroni, I-73100 Lecce, Italy
| | - Marta Madaghiele
- Department of Engineering for Innovation, Campus University Ecotekne , Via per Monteroni, I-73100 Lecce, Italy
| | - Ludovico Valli
- Department of Biological and Environmental Sciences and Technologies, DISTEBA, University of Salento , Via per Arnesano, I-73100 Lecce, Italy
| | - Gabriele Giancane
- Department of Cultural Heritage, University of Salento , Via Birago 64, I-73100 Lecce, Italy
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36
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Balin VN, Balin DV, Iordanishvili AK, Musikin MI. [Osteostimulating effect of bone xenograft on bone tissue regeneration]. STOMATOLOGII︠A︡ 2015; 94:5-9. [PMID: 26145467 DOI: 10.17116/stomat20159425-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of experimental case-control study performed in 28 dogs divided in 2 groups was to assess local tissue reactions on bone xenograft transplantation; dynamics of bone remodeling and formation at the site of bone defect wall contacting with bone xenograft; dynamics and mechanisms of xenograft remodeling. Transplantation of xenograft in conventional bone defects did not cause inflammatory of destructive reactions because of high biocompatibility of the material. At transplantation site active fibrous bone trabeculae formation filling the spaces between xenograft participles was observed. On the 90th day newly formed bone showed lammelar structure. Simultaneously from the 42d day the invasion of cell elements from recipient bed into the material was seen leading to xenograft resorption. The observed dynamics may be assessed as gradual substitution of xenograft with newly formed host bone structures.
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Affiliation(s)
- V N Balin
- National Medical and Surgical Center named after N.I. Pirogov, Moscow
| | - D V Balin
- National Medical and Surgical Center named after N.I. Pirogov, Moscow
| | | | - M I Musikin
- Kirov Military Medical Academy, Saint-Petersburg
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37
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Chattopadhyay S, Raines RT. Review collagen-based biomaterials for wound healing. Biopolymers 2014; 101:821-33. [PMID: 24633807 PMCID: PMC4203321 DOI: 10.1002/bip.22486] [Citation(s) in RCA: 577] [Impact Index Per Article: 57.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 03/07/2014] [Indexed: 01/13/2023]
Abstract
With its wide distribution in soft and hard connective tissues, collagen is the most abundant of animal proteins. In vitro, natural collagen can be formed into highly organized, three-dimensional scaffolds that are intrinsically biocompatible, biodegradable, nontoxic upon exogenous application, and endowed with high tensile strength. These attributes make collagen the material of choice for wound healing and tissue engineering applications. In this article, we review the structure and molecular interactions of collagen in vivo; the recent use of natural collagen in sponges, injectables, films and membranes, dressings, and skin grafts; and the on-going development of synthetic collagen mimetic peptides as pylons to anchor cytoactive agents in wound beds.
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Affiliation(s)
| | - Ronald T. Raines
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706
- Department of Biochemistry, University of Wisconsin–Madison, Madison, WI 53706
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38
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Synthesis, characterization and bioevaluation of irinotecan-collagen hybrid materials for biomedical applications as drug delivery systems in tumoral treatments. OPEN CHEM 2013. [DOI: 10.2478/s11532-013-0341-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractThe purpose of the present study is the preparation and characterization of collagen/antitumor drug hybrids as drug delivery systems. Materials used for obtaining collagen-based drug delivery systems were collagen type I (Coll) as matrix and irinotecan (I) as hydrophilic active substances. After incorporation of I into Coll in differing ratios, the obtained hybrid materials (Coll/I) could be used according to our results as potential drug delivery systems in medicine for the topical (local) treatment of cancerous tissues or bone. The released amount of I varies with amount of Coll from hybrid materials: the higher, the slower the release amount of irinotecan transferred is in the first 6 hours. The in vitro citotoxicity demonstrates an antitumoral activity of the obtained hybrid materials and their potential use for biomedical applications as drug delivery systems in tumoral treatments.
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39
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Khan R, Khan MH. Use of collagen as a biomaterial: An update. J Indian Soc Periodontol 2013; 17:539-42. [PMID: 24174741 PMCID: PMC3800424 DOI: 10.4103/0972-124x.118333] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Accepted: 06/03/2013] [Indexed: 12/16/2022] Open
Abstract
Biomaterial science is an expanding area, which encompasses a wide range of medical knowledge involving arthroplasty, cochlear implants, heart valves designing, lenses, dental fixation and tissue engineering. Within this context, in vitro cell culture on polymer scaffolds is one of the adopted strategies for tissue creation. It consists of a specific cell line that is seeded onto a particular substrate. This scaffold should provide excellent biocompatibility, controllable biodegradability, appropriate mechanical strength, flexibility as well as the ability to absorb body fluids for delivery of nutrients. Collagen certainly fulfils these demands; therefore, it is often chosen as a biomaterial. Moreover, this protein is abundant in the animal kingdom and plays a vital role in biological functions, such as tissue formation, cell attachment and proliferation.
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Affiliation(s)
- Ruby Khan
- Department of Periodontology and Implantology, Institute of Dental Sciences, Bareilly, Uttar Pradesh, India
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40
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Kirk JF, Ritter G, Finger I, Sankar D, Reddy JD, Talton JD, Nataraj C, Narisawa S, Millán JL, Cobb RR. Mechanical and biocompatible characterization of a cross-linked collagen-hyaluronic acid wound dressing. BIOMATTER 2013; 3:25633. [PMID: 23896569 PMCID: PMC3866196 DOI: 10.4161/biom.25633] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Collagen scaffolds have been widely employed as a dermal equivalent to induce fibroblast infiltrations and dermal regeneration in the treatment of chronic wounds and diabetic foot ulcers. Cross-linking methods have been developed to address the disadvantages of the rapid degradation associated with collagen-based scaffolds. To eliminate the potential drawbacks associated with glutaraldehyde cross-linking, methods using a water soluble carbodiimide have been developed. In the present study, the glycosaminoglycan (GAG) hyaluronic acid (HA), was covalently attached to an equine tendon derived collagen scaffold using 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide (EDC) to create ntSPONGE™. The HA was shown to be homogeneously distributed throughout the collagen matrix. In vitro analyses of the scaffold indicated that the cross-linking enhanced the biological stability by decreasing the enzymatic degradation and increasing the thermal denaturation temperature. The material was shown to support the attachment and proliferation of mouse L929 fibroblast cells. In addition, the cross-linking decreased the resorption rate of the collagen as measured in an intramuscular implant model in rabbits. The material was also shown to be biocompatible in a variety of in vitro and in vivo assays. These results indicate that this cross-linked collagen-HA scaffold, ntSPONGE™, has the potential for use in chronic wound healing.
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Affiliation(s)
- James F Kirk
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | - Gregg Ritter
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | - Isaac Finger
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | - Dhyana Sankar
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | - Joseph D Reddy
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | - James D Talton
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
| | | | - Sonoko Narisawa
- Sanford-Burnham Medical Research Institute; La Jolla, CA USA
| | | | - Ronald R Cobb
- Research and Development Department; Nanotherapeutics, Inc.; Alachua, FL USA
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41
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Grafting of glycidyl methacrylate upon coralline hydroxyapatite in conjugation with demineralized bone matrix using redox initiating system. Macromol Res 2013. [DOI: 10.1007/bf03218272] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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42
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Narayanan D, Gopikrishna J, Nair SV, Menon D. Proteins and Carbohydrates as Polymeric Nanodrug Delivery Systems: Formulation, Properties, and Toxicological Evaluation. MULTIFACETED DEVELOPMENT AND APPLICATION OF BIOPOLYMERS FOR BIOLOGY, BIOMEDICINE AND NANOTECHNOLOGY 2013. [DOI: 10.1007/12_2012_199] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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43
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Ferreira AM, Gentile P, Chiono V, Ciardelli G. Collagen for bone tissue regeneration. Acta Biomater 2012; 8:3191-200. [PMID: 22705634 DOI: 10.1016/j.actbio.2012.06.014] [Citation(s) in RCA: 497] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Revised: 06/04/2012] [Accepted: 06/08/2012] [Indexed: 01/22/2023]
Abstract
In the last decades, increased knowledge about the organization, structure and properties of collagen (particularly concerning interactions between cells and collagen-based materials) has inspired scientists and engineers to design innovative collagen-based biomaterials and to develop novel tissue-engineering products. The design of resorbable collagen-based medical implants requires understanding the tissue/organ anatomy and biological function as well as the role of collagen's physicochemical properties and structure in tissue/organ regeneration. Bone is a complex tissue that plays a critical role in diverse metabolic processes mediated by calcium delivery as well as in hematopoiesis whilst maintaining skeleton strength. A wide variety of collagen-based scaffolds have been proposed for different tissue engineering applications. These scaffolds are designed to promote a biological response, such as cell interaction, and to work as artificial biomimetic extracellular matrices that guide tissue regeneration. This paper critically reviews the current understanding of the complex hierarchical structure and properties of native collagen molecules, and describes the scientific challenge of manufacturing collagen-based materials with suitable properties and shapes for specific biomedical applications, with special emphasis on bone tissue engineering. The analysis of the state of the art in the field reveals the presence of innovative techniques for scaffold and material manufacturing that are currently opening the way to the preparation of biomimetic substrates that modulate cell interaction for improved substitution, restoration, retention or enhancement of bone tissue function.
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44
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Tamsilian Y, Ramazani S. A. A, Khosravi N. The Preparation and Rheological Investigation of Polymer and Hydrogel Modified Drilling Mud. PETROLEUM SCIENCE AND TECHNOLOGY 2012; 30:1059-1068. [DOI: 10.1080/10916466.2010.489090] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
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45
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Xu F, Li J, Jain V, Tu RS, Huang Q, Nanda V. Compositional control of higher order assembly using synthetic collagen peptides. J Am Chem Soc 2012; 134:47-50. [PMID: 22171825 PMCID: PMC3443862 DOI: 10.1021/ja2077894] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We present the case of a two-component collagen peptide hydrogel that self-assembles through noncovalent electrostatic interactions. Natural collagen materials, such as those of connective tissue or the basement membrane, assemble in a hierarchic fashion. Similarly, the synthetic peptides presented here proceed from monomer to trimer to fiber and, finally, to a hydrogel. By varying stoichiometry and concentration, we are able to dissect the stages of higher order assembly. Insight gained from this study will improve the molecular design of biomimetic materials.
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Affiliation(s)
- Fei Xu
- Department of Biochemistry, Robert Wood Johnson Medical School, UMDNJ and the Center for Advanced Biotechnology and Medicine, Piscataway, New Jersey 08854
| | - Ji Li
- Department of Food Science, Rutgers, the State University of New Jersey, 65 Dudley Road, New Brunswick, NJ 08901
| | - Vikas Jain
- Department of Chemical Engineering, The City College of City University of New York, 140th Street and Convent Avenue, Steinman Hall T313, New York, NY 10031
| | - Raymond S. Tu
- Department of Chemical Engineering, The City College of City University of New York, 140th Street and Convent Avenue, Steinman Hall T313, New York, NY 10031
| | - Qingrong Huang
- Department of Food Science, Rutgers, the State University of New Jersey, 65 Dudley Road, New Brunswick, NJ 08901
| | - Vikas Nanda
- Department of Biochemistry, Robert Wood Johnson Medical School, UMDNJ and the Center for Advanced Biotechnology and Medicine, Piscataway, New Jersey 08854
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46
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Reddy NN, Varaprasad K, Ravindra S, Reddy GS, Reddy K, Mohan Reddy K, Raju KM. Evaluation of blood compatibility and drug release studies of gelatin based magnetic hydrogel nanocomposites. Colloids Surf A Physicochem Eng Asp 2011. [DOI: 10.1016/j.colsurfa.2011.05.006] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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47
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Nair MB, Kretlow JD, Mikos AG, Kasper FK. Infection and tissue engineering in segmental bone defects--a mini review. Curr Opin Biotechnol 2011; 22:721-5. [PMID: 21354782 DOI: 10.1016/j.copbio.2011.02.005] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Accepted: 02/06/2011] [Indexed: 10/18/2022]
Abstract
As tissue engineering becomes more of a clinical reality through the ongoing bench to bedside transition, research in this field must focus on addressing relevant clinical situations. Although most in vivo work in the area of bone tissue engineering focuses on bone regeneration within sterile, surgically created defects, there is a growing need for the investigation of bone tissue engineering approaches within contaminated or scarred wound beds, such as those that may be encountered following traumatic injury or during delayed reconstruction/regeneration. Significant work has been performed in the area of local drug delivery via biomaterial carriers, but there is little intersection in the available literature between antibiotic delivery and tissue regeneration. In this review, we examine recent advances in segmental bone defect animal models, bone tissue engineering, and drug delivery with the goal of identifying promising approaches and areas needing further investigation towards developing both a better understanding of and new tissue engineering approaches for addressing infection control while simultaneously initiating bone regeneration.
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Affiliation(s)
- Manitha B Nair
- Department of Bioengineering, Rice University, Houston, TX, USA
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48
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El-Husseiny M, Patel S, MacFarlane RJ, Haddad FS. Biodegradable antibiotic delivery systems. ACTA ACUST UNITED AC 2011; 93:151-7. [DOI: 10.1302/0301-620x.93b2.24933] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Bacterial infection in orthopaedic surgery can be devastating, and is associated with significant morbidity and poor functional outcomes, which may be improved if high concentrations of antibiotics can be delivered locally over a prolonged period of time. The two most widely used methods of doing this involve antibiotic-loaded polymethylmethacrylate or collagen fleece. The former is not biodegradable and is a surface upon which secondary bacterial infection may occur. Consequently, it has to be removed once treatment has finished. The latter has been used successfully as an adjunct to systemic antibiotics, but cannot effect a sustained release that would allow it to be used on its own, thereby avoiding systemic toxicity. This review explores the newer biodegradable carrier systems which are currently in the experimental phase of development and which may prove to be more effective in the treatment of osteomyelitis.
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Affiliation(s)
- M. El-Husseiny
- Department of Orthopaedics and Trauma, University College Hospital, 235 Euston Road, London NW12BU, UK
| | - S. Patel
- Department of Orthopaedics and Trauma, University College Hospital, 235 Euston Road, London NW12BU, UK
| | - R. J. MacFarlane
- Whiston Hospital, Warrington Road, Prescot, Merseyside L355DR, UK
| | - F. S. Haddad
- Department of Orthopaedics and Trauma, University College Hospital, 235 Euston Road, London NW12BU, UK
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Chorny M, Hood E, Levy RJ, Muzykantov VR. Endothelial delivery of antioxidant enzymes loaded into non-polymeric magnetic nanoparticles. J Control Release 2010; 146:144-51. [PMID: 20483366 DOI: 10.1016/j.jconrel.2010.05.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2010] [Revised: 04/23/2010] [Accepted: 05/02/2010] [Indexed: 10/19/2022]
Abstract
Antioxidant enzymes have shown promise as a therapy for pathological conditions involving increased production of reactive oxygen species (ROS). However the efficiency of their use for combating oxidative stress is dependent on the ability to achieve therapeutically adequate levels of active enzymes at the site of ROS-mediated injury. Thus, the implementation of antioxidant enzyme therapy requires a strategy enabling both guided delivery to the target site and effective protection of the protein in its active form. To address these requirements we developed magnetically responsive nanoparticles (MNP) formed by precipitation of calcium oleate in the presence of magnetite-based ferrofluid (controlled aggregation/precipitation) as a carrier for magnetically guided delivery of therapeutic proteins. We hypothesized that antioxidant enzymes, catalase and superoxide dismutase (SOD), can be protected from proteolytic inactivation by encapsulation in MNP. We also hypothesized that catalase-loaded MNP applied with a high-gradient magnetic field can rescue endothelial cells from hydrogen peroxide toxicity in culture. To test these hypotheses, a family of enzyme-loaded MNP formulations were prepared and characterized with respect to their magnetic properties, enzyme entrapment yields and protection capacity. SOD- and catalase-loaded MNP were formed with average sizes ranging from 300 to 400 nm, and a protein loading efficiency of 20-33%. MNP were strongly magnetically responsive (magnetic moment at saturation of 14.3 emu/g) in the absence of magnetic remanence, and exhibited a protracted release of their cargo protein in plasma. Catalase stably associated with MNP was protected from proteolysis and retained 20% of its initial enzymatic activity after 24h of exposure to pronase. Under magnetic guidance catalase-loaded MNP were rapidly taken up by cultured endothelial cells providing increased resistance to oxidative stress (62+/-12% cells rescued from hydrogen peroxide induced cell death vs. 10+/-4% under non-magnetic conditions). We conclude that non-polymeric MNP formed using the controlled aggregation/precipitation strategy are a promising carrier for targeted antioxidant enzyme therapy, and in combination with magnetic guidance can be applied to protect endothelial cells from oxidative stress mediated damage. This protective effect of magnetically targeted MNP impregnated with antioxidant enzymes can be highly relevant for the treatment of cardiovascular disease and should be further investigated in animal models.
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Affiliation(s)
- Michael Chorny
- Department of Pediatrics, The Children's Hospital of Philadelphia, Abramson Research Bldg., Ste. 702, 3615 Civic Center Blvd., Philadelphia, PA 19104, USA.
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Yin Q, Luo JH, Zhou G, Yin QJ, Jiang B. A molecular simulation of the compatibility of chitosan and poly(vinyl pyrrolidone). MOLECULAR SIMULATION 2010. [DOI: 10.1080/08927020903141563] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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