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Sufiyan M, Kushwaha P, Ahmad M, Mandal P, Vishwakarma KK. Scaffold-Mediated Drug Delivery for Enhanced Wound Healing: A Review. AAPS PharmSciTech 2024; 25:137. [PMID: 38877197 DOI: 10.1208/s12249-024-02855-1] [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: 04/04/2024] [Accepted: 05/28/2024] [Indexed: 06/16/2024] Open
Abstract
Wound healing is a complex physiological process involving coordinated cellular and molecular events aimed at restoring tissue integrity. Acute wounds typically progress through the sequential phases of hemostasis, inflammation, proliferation, and remodeling, while chronic wounds, such as venous leg ulcers and diabetic foot ulcers, often exhibit prolonged inflammation and impaired healing. Traditional wound dressings, while widely used, have limitations such poor moisture retention and biocompatibility. To address these challenges and improve patient outcomes, scaffold-mediated delivery systems have emerged as innovative approaches. They offer advantages in creating a conducive environment for wound healing by facilitating controlled and localized drug delivery. The manuscript explores scaffold-mediated delivery systems for wound healing applications, detailing the use of natural and synthetic polymers in scaffold fabrication. Additionally, various fabrication techniques are discussed for their potential in creating scaffolds with controlled drug release kinetics. Through a synthesis of experimental findings and current literature, this manuscript elucidates the promising potential of scaffold-mediated drug delivery in improving therapeutic outcomes and advancing wound care practices.
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Affiliation(s)
- Mohd Sufiyan
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Poonam Kushwaha
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India.
| | - Mohammad Ahmad
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
| | - Purba Mandal
- Faculty of Pharmacy, Integral University, Dasauli-Kursi Road, Lucknow, India
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2
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Ali M, Mohd Noor SNF, Mohamad H, Ullah F, Javed F, Abdul Hamid ZA. Advances in guided bone regeneration membranes: a comprehensive review of materials and techniques. Biomed Phys Eng Express 2024; 10:032003. [PMID: 38224615 DOI: 10.1088/2057-1976/ad1e75] [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: 06/06/2023] [Accepted: 01/15/2024] [Indexed: 01/17/2024]
Abstract
Guided tissue/bone regeneration (GTR/GBR) is a widely used technique in dentistry to facilitate the regeneration of damaged bone and tissue, which involves guiding materials that eventually degrade, allowing newly created tissue to take its place. This comprehensive review the evolution of biomaterials for guided bone regeneration that showcases a progressive shift from non-resorbable to highly biocompatible and bioactive materials, allowing for more effective and predictable bone regeneration. The evolution of biomaterials for guided bone regeneration GTR/GBR has marked a significant progression in regenerative dentistry and maxillofacial surgery. Biomaterials used in GBR have evolved over time to enhance biocompatibility, bioactivity, and efficacy in promoting bone growth and integration. This review also probes into several promising fabrication techniques like electrospinning and latest 3D printing fabrication techniques, which have shown potential in enhancing tissue and bone regeneration processes. Further, the challenges and future direction of GTR/GBR are explored and discussed.
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Affiliation(s)
- Mohammed Ali
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300, Nibong Tebal, Pulau Pinang, Malaysia
| | - Siti Noor Fazliah Mohd Noor
- Dental Stimulation and Virtual Learning, Research Excellence Consortium, Advanced Medical and Dental Institute (AMDI), Universiti Sains Malaysia, Bertam 13200 Kepala Batas, Pulau Pinang, Malaysia
| | - Hasmaliza Mohamad
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300, Nibong Tebal, Pulau Pinang, Malaysia
| | - Faheem Ullah
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300, Nibong Tebal, Pulau Pinang, Malaysia
- Department of Biological Sciences, Biopolymer Research Centre (BRC), National University of Medical Sciences, 46000, Rawalpindi, Pakistan
| | - Fatima Javed
- Department of Chemistry, Shaheed Benazir Butto Women University Peshawar, Charsadda Road Laramma, 25000, Peshawar, Pakistan
| | - Zuratul Ain Abdul Hamid
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300, Nibong Tebal, Pulau Pinang, Malaysia
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Abdian N, Etminanfar M, Hamishehkar H, Sheykholeslami SOR. Incorporating mesoporous SiO 2-HA particles into chitosan/hydroxyapatite scaffolds: A comprehensive evaluation of bioactivity and biocompatibility. Int J Biol Macromol 2024; 260:129565. [PMID: 38246457 DOI: 10.1016/j.ijbiomac.2024.129565] [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: 08/09/2023] [Revised: 01/05/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024]
Abstract
In this work, composite scaffolds with various composition ratios of chitosan (CS), hydroxyapatite (HA), and mesoporous SiO2 particles co-synthesized with hydroxyapatite (SiO2-HA) were fabricated via the freeze-drying method for bone tissue engineering applications. Morphological studies showed that adding mesoporous particles resulted in a structure with a more uniformly porous geometry, subsequently leading to reduced biodegradation rates and water absorption in the scaffolds. The bioactivity results showed the introduction of mesoporous particles notably enhanced the coverage of the scaffold surface with apatite films. Moreover, biocompatibility assessments using sarcoma osteogenic cell line (SAOS-2) highlighted mesoporous particles' positive impact on cell adhesion and growth. The fluorescence images showed spindle-shaped cells with a greater number and normal cell nuclei for the scaffolds containing mesoporous SiO2-HA particles. The MTT cytotoxicity results indicated that the scaffolds containing mesoporous particles showed approximately 25 % higher cell survival more than single chitosan-based ones. What is more, the mesoporous-containing scaffolds occurred to have the best alkaline phosphatase test (ALP) activity among all scaffolds. It is important to add that CS/HA/mesoporous SiO2-HA scaffolds including SAOS-2 cells showed no sign of either early or late apoptosis. These findings affirm the potential of CS/HA/mesoporous SiO2-HA scaffolds as promising implants for bone tissue engineering.
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Affiliation(s)
- Nesa Abdian
- Research Center for Advanced Materials, Faculty of Materials Engineering, Sahand University of Technology, 51335-1996 Tabriz, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohamadreza Etminanfar
- Research Center for Advanced Materials, Faculty of Materials Engineering, Sahand University of Technology, 51335-1996 Tabriz, Iran.
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Omid Reza Sheykholeslami
- Research Center for Advanced Materials, Faculty of Materials Engineering, Sahand University of Technology, 51335-1996 Tabriz, Iran
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Najafi R, Yazdian F, Pezeshki-Modaress M, Aleemardani M, Chahsetareh H, Hassanzadeh S, Farhadi M, Bagher Z. Fabrication and optimization of multilayered composite scaffold made of sulfated alginate-based nanofiber/decellularized Wharton's jelly ECM for tympanic membrane tissue engineering. Int J Biol Macromol 2023; 253:127128. [PMID: 37802440 DOI: 10.1016/j.ijbiomac.2023.127128] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023]
Abstract
In this study, we fabricated a novel multilayer polyvinyl alcohol (PVA)/alginate sulfate (ALG-S) nanofiber/decellularized Wharton's Jelly ECM (d-ECM) composite for tympanic membrane perforations (TMPs) tissue engineering (TE). Initially, electrospun PVA/ALG-S scaffolds with different blend ratios were fabricated. The influence of ALG-S ratio on surface morphology, mechanical, physical and biological properties of the nanofibers was studied. Secondly, 3-layer composites were developed as a combination of PVA/ALG-S nanofibers and d-ECM to take synergic advantages of electrospun mats and d-ECM. As part of the evaluation of the effects of d-ECM incorporation, the composite's mechanical properties, in vitro degradation, swelling ratio, and biological activities were assessed. The MTT assay showed that PVA/ALG-S nanofibers with 50:50 ratio provided a more desirable environment to support cell growth. A composite containing 25 mg/cm2 d-ECM was determined as the optimal composite through MTT assay, and this composite was used for animal studies inducing TMP regeneration. According to the in vivo studies, the optimal composite not only stimulated the healing of TMPs but also shortened the healing period. These results suggest that a multilayer nanofiber/hydrogel composite could be a potential platform for regenerating TMPs.
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Affiliation(s)
- Roghayeh Najafi
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran.
| | | | - Mina Aleemardani
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK
| | - Hadi Chahsetareh
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Iran
| | - Sajad Hassanzadeh
- Eye Research Center, Five Senses Health Research Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Farhadi
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zohreh Bagher
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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5
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Nepal A, Tran HD, Nguyen NT, Ta HT. Advances in haemostatic sponges: Characteristics and the underlying mechanisms for rapid haemostasis. Bioact Mater 2023; 27:231-256. [PMID: 37122895 PMCID: PMC10130630 DOI: 10.1016/j.bioactmat.2023.04.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/29/2023] [Accepted: 04/07/2023] [Indexed: 05/02/2023] Open
Abstract
In traumatized patients, the primary cause of mortality is uncontrollable continuous bleeding and unexpected intraoperative bleeding which is likely to increase the risk of complications and surgical failure. High expansion sponges are effective clinical practice for the treatment of wound bleeding (irregular/deep/narrow) that are caused by capillaries, veins and even arterioles as they possess a high liquid absorption ratio so can absorb blood platelets easily in comparison with traditional haemostasis treatments, which involve compression, ligation, or electrical coagulation etc. When in contact with blood, haemostatic sponges can cause platelet adhesion, aggregation, and thrombosis, preventing blood from flowing out from wounds, triggering the release of coagulation factors, causing the blood to form a stable polymerized fibre protein, forming blood clots, and achieving the goal of wound bleeding control. Haemostatic sponges are found in a variety of shapes and sizes. The aim of this review is to facilitate an overview of recent research around haemostatic sponge materials, products, and technology. This paper reviews the synthesis, properties, and characteristics of haemostatic sponges, together with the haemostasis mechanisms of haemostatic sponges (composite materials), such as chitosan, cellulose, gelatin, starch, graphene oxide, hyaluronic acid, alginate, polyethylene glycol, silk fibroin, synthetic polymers silver nanoparticles, zinc oxide nanoparticles, mesoporous silica nanoparticles, and silica nanoparticles. Also, this paper reviews commercial sponges and their properties. In addition to this, we discuss various in-vitro/in-vivo approaches for the evaluation of the effect of sponges on haemostasis.
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Affiliation(s)
- Akriti Nepal
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Huong D.N. Tran
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland, 4072, Australia
| | - Nam-Trung Nguyen
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Hang Thu Ta
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland, 4072, Australia
- Bioscience Discipline, School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Corresponding author. Bioscience Department, School of Environment and Science, Griffith University, Nathan Campus, Brisbane, QLD, 4111, Australia..
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6
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Alqahtani AM. Guided Tissue and Bone Regeneration Membranes: A Review of Biomaterials and Techniques for Periodontal Treatments. Polymers (Basel) 2023; 15:3355. [PMID: 37631412 PMCID: PMC10457807 DOI: 10.3390/polym15163355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
This comprehensive review provides an in-depth analysis of the use of biomaterials in the processes of guided tissue and bone regeneration, and their indispensable role in dental therapeutic interventions. These interventions serve the critical function of restoring both structural integrity and functionality to the dentition that has been lost or damaged. The basis for this review is laid through the exploration of various relevant scientific databases such as Scopus, PubMed, Web of science and MEDLINE. From a meticulous selection, relevant literature was chosen. This review commences by examining the different types of membranes used in guided bone regeneration procedures and the spectrum of biomaterials employed in these operations. It then explores the manufacturing technologies for the scaffold, delving into their significant impact on tissue and bone regenerations. At the core of this review is the method of guided bone regeneration, which is a crucial technique for counteracting bone loss induced by tooth extraction or periodontal disease. The discussion advances by underscoring the latest innovations and strategies in the field of tissue regeneration. One key observation is the critical role that membranes play in guided reconstruction; they serve as a barrier, preventing the entry of non-ossifying cells, thereby promoting the successful growth and regeneration of bone and tissue. By reviewing the existing literature on biomaterials, membranes, and scaffold manufacturing technologies, this paper illustrates the vast potential for innovation and growth within the field of dental therapeutic interventions, particularly in guided tissue and bone regeneration.
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Affiliation(s)
- Ali M Alqahtani
- Department of Restorative Dental Sciences, College of Dentistry, King Khalid University, Al Fara, Abha 62223, Saudi Arabia
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7
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Mohsenifard S, Mashayekhan S, Safari H. A hybrid cartilage extracellular matrix-based hydrogel/poly (ε-caprolactone) scaffold incorporated with Kartogenin for cartilage tissue engineering. J Biomater Appl 2023; 37:1243-1258. [PMID: 36217954 DOI: 10.1177/08853282221132987] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Despite extensive studies, hydrogels are unable to meet the mechanical and biological requirements for successful outcomes in cartilage tissue engineering. In the present study, beta cyclodextrin (β-CD)-modified alginate/cartilage extracellular matrix (ECM)-based interpenetrating polymer network (IPN) hydrogel was developed for sustained release of Kartogenin (KGN). Furthermore, the hydrogel was incorporated within a 3D-printed poly (ε-caprolactone) (PCL)/starch microfiber network in order to reinforce the construct for cartilage tissue engineering. All the synthesized compounds were characterized by H1-NMR spectroscopy. The hydrogel/microfiber composite with a microfiber strand size and strand spacing of 300 μm and 2 mm, respectively showed a compressive modulus of 17.2 MPa, resembling the properties of the native cartilage tissue. Considering water uptake capacity, degradation rate, mechanical property, cell cytotoxicity and glycosaminoglycan secretions, β-CD-modified hydrogel reinforced with printed PCL/starch microfibers with controlled release of KGN may be considered as a promising candidate for using in articular cartilage defects.
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Affiliation(s)
- Sadaf Mohsenifard
- Chemical and Petroleum Engineering Department, 68260Sharif University of Technology, Tehran, Iran
| | - Shohreh Mashayekhan
- Chemical and Petroleum Engineering Department, 68260Sharif University of Technology, Tehran, Iran
| | - Hanieh Safari
- Chemical and Petroleum Engineering Department, 68260Sharif University of Technology, Tehran, Iran
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8
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Flores-Jiménez MS, Garcia-Gonzalez A, Fuentes-Aguilar RQ. Review on Porous Scaffolds Generation Process: A Tissue Engineering Approach. ACS APPLIED BIO MATERIALS 2023; 6:1-23. [PMID: 36599046 DOI: 10.1021/acsabm.2c00740] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Porous scaffolds have been widely explored for tissue regeneration and engineering in vitro three-dimensional models. In this review, a comprehensive literature analysis is conducted to identify the steps involved in their generation. The advantages and disadvantages of the available techniques are discussed, highlighting the importance of considering pore geometrical parameters such as curvature and size, and summarizing the requirements to generate the porous scaffold according to the desired application. This paper considers the available design tools, mathematical models, materials, fabrication techniques, cell seeding methodologies, assessment methods, and the status of pore scaffolds in clinical applications. This review compiles the relevant research in the field in the past years. The trends, challenges, and future research directions are discussed in the search for the generation of a porous scaffold with improved mechanical and biological properties that can be reproducible, viable for long-term studies, and closer to being used in the clinical field.
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Affiliation(s)
- Mariana S Flores-Jiménez
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey Campus Guadalajara, Av. Gral. Ramon Corona No 2514, Colonia Nuevo México, 45121Zapopan, Jalisco, México
| | - Alejandro Garcia-Gonzalez
- Escuela de Medicina, Tecnologico de Monterrey Campus Guadalajara, Av. Gral. Ramon Corona No 2514, Colonia Nuevo México, 45121Zapopan, Jalisco, México
| | - Rita Q Fuentes-Aguilar
- Institute of Advanced Materials and Sustainable Manufacturing, Tecnologico de Monterrey Campus Guadalajara, Av. Gral. Ramon Corona No 2514, Colonia Nuevo México, 45121Zapopan, Jalisco, México
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Saha R, Tayalia P. Clove Oil-Incorporated Antibacterial Gelatin-Chitosan Cryogels for Tissue Engineering: An In Vitro Study. ACS Biomater Sci Eng 2022; 8:3557-3567. [PMID: 35793544 DOI: 10.1021/acsbiomaterials.2c00546] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Infections are a leading cause of mortality and amputations among patients with burns and chronic wounds, respectively. Moreover, the extensive use of antibiotics has led to the rapid spreading of drug resistance among microorganisms. Alternatively, plant-derived natural products, which have been used as traditional therapies for several centuries, are recently gaining popularity as they are relatively affordable and easily available in many developing countries where modern medications are expensive or unavailable. In this study, clove essential oil is used for its antimicrobial property and is further incorporated into cryogels to increase its bioavailability and prolong its bioactivity. The oil-incorporated cryogels are macroporous, biodegradable, possess mechanical properties similar to commercial skin substitutes, are cytocompatible, antibacterial, and allow long-term sustained release of oil for up to at least 14 days. Additionally, clove oil aids the faster closure of in vitro scratch wounds by improving the migration of fibroblasts. This work presents a novel, bioactive scaffold that has the potential to be used as a dermal substitute and serves as an alternative to commercial skin substitutes.
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Affiliation(s)
- Rituparna Saha
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Prakriti Tayalia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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10
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Torrejon VM, Song J, Yu Z, Hang S. Gelatin-based cellular solids: Fabrication, structure and properties. J CELL PLAST 2022. [DOI: 10.1177/0021955x221087602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Although most cellular polymers are made from thermoplastics using different foaming technologies, gelatin and many other natural polymers can form hydrogels and convert them to cellular solids using various techniques, many of which differ from traditional plastic foaming, and so does their resulting structures. Cellular solids from natural hydrogels are porous materials that often exhibit a combination of desirable properties, including high specific surface area, biochemical activity, as well as thermal and acoustic insulation properties. Among natural hydrogels, gelatin-based porous materials are widely explored due to their availability, biocompatibility, biodegradability and relatively low cost. In addition, gelatin-based cellular solids have outstanding properties and are currently subject to increasing scientific research due to their potential in many applications, such as biocompatible cellular materials or biofoams to facilitate waste treatment. This article aims at providing a comprehensive review of gelatin cellular solids processing and their processing-properties-structure relationship. The fabrication techniques covered include aerogels production, mechanical foaming, blowing agents use, 3D printing, electrospinning and particle leaching methods. It is hoped that the assessment of their characteristics provides compiled information and guidance for selecting techniques and optimization of processing conditions to control material structure and properties to meet the needs of the finished products.
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Affiliation(s)
- Virginia Martin Torrejon
- Media and Communication School, Shenzhen Polytechnic, Shenzhen, China
- Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an, China
- Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Jim Song
- School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, China
| | - Zhang Yu
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, China
| | - Song Hang
- School of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, China
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Chen J, Yang X, Chen Y, Feng Y, Pan J, Shi C. Expandable, biodegradable, bioactive quaternized gelatin sponges for rapidly controlling incompressible hemorrhage and promoting wound healing. BIOMATERIALS ADVANCES 2022; 136:212776. [PMID: 35929314 DOI: 10.1016/j.bioadv.2022.212776] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 06/15/2023]
Abstract
Designing expandable sponges with biodegradability and effective antibacterial properties are the urgent challenge for incompressible hemorrhage and wound healing. In the present investigation, based on quaternized gelatin (QG) and oxidized dextran (OD), a series of expandable sponges (ODQG) with high-water absorption capacity and robust mechanical properties were prepared. ODQG had good biodegradability in vitro and in vivo, and had inherent antibacterial activity (90% for E. coli and 99.74% for S. aureus). Due to the synergy effect of electrostatic interaction and blood concentration, ODQG could effectively attract and activate red blood cells/platelets and accelerate the coagulation process. Therefore, ODQG showed better hemostatic performance than Kuaikang® gelatin sponges and gauzes in incompressible hemorrhage model. Furthermore, ODQG could regulate inflammatory factor (TNF-α) and cytokines (TGF-β, VEGF), and greatly promote wound healing process. The biodegradable sponges with excellent antibacterial properties might have potential application prospect for incompressible hemostasis and wound healing in the future.
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Affiliation(s)
- Jie Chen
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Xiao Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China; School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yeyi Chen
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China; School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yakai Feng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Jingye Pan
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Changcan Shi
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
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12
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Advances in spray products for skin regeneration. Bioact Mater 2022; 16:187-203. [PMID: 35386328 PMCID: PMC8965724 DOI: 10.1016/j.bioactmat.2022.02.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/22/2022] [Accepted: 02/18/2022] [Indexed: 12/25/2022] Open
Abstract
To date, skin wounds are still an issue for healthcare professionals. Although numerous approaches have been developed over the years for skin regeneration, recent advances in regenerative medicine offer very promising strategies for the fabrication of artificial skin substitutes, including 3D bioprinting, electrospinning or spraying, among others. In particular, skin sprays are an innovative technique still under clinical evaluation that show great potential for the delivery of cells and hydrogels to treat acute and chronic wounds. Skin sprays present significant advantages compared to conventional treatments for wound healing, such as the facility of application, the possibility to treat large wound areas, or the homogeneous distribution of the sprayed material. In this article, we review the latest advances in this technology, giving a detailed description of investigational and currently commercially available acellular and cellular skin spray products, used for a variety of diseases and applying different experimental materials. Moreover, as skin sprays products are subjected to different classifications, we also explain the regulatory pathways for their commercialization and include the main clinical trials for different skin diseases and their treatment conditions. Finally, we argue and suggest possible future trends for the biotechnology of skin sprays for a better use in clinical dermatology. Skin sprays represent a promising technique for wound healing applications. Skin sprays can deliver cells and hydrogels with great facility over large wounds. Many skin spray products have been studied, only a few have been commercialized. Numerous clinical trials study spray products for skin diseases like psoriasis. Improved spraying devices should be developed for different materials and cells.
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13
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Wang W, Zhou Z, Liu N, Zhang X, Zhou H, Wang Y, Fang K, Wu T. Improving Biocompatibility of Polyester Fabrics through Polyurethane/Gelatin Complex Coating for Potential Vascular Application. Polymers (Basel) 2022; 14:polym14050989. [PMID: 35267812 PMCID: PMC8912764 DOI: 10.3390/polym14050989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 12/10/2022] Open
Abstract
Medical apparatus and instruments, such as vascular grafts, are first exposed to blood when they are implanted. Therefore, blood compatibility is considered to be the critical issue when constructing a vascular graft. In this regard, the coating method is verified to be an effective and simple approach to improve the blood compatibility as well as prevent the grafts from blood leakage. In this study, polyester fabric is chosen as the substrate to provide excellent mechanical properties while a coating layer of polyurethane is introduced to prevent the blood leakage. Furthermore, gelatin is coated on the substrate to mimic the native extracellular matrix together with the improvement of biocompatibility. XPS and FTIR analysis are performed for elemental and group analysis to determine the successful coating of polyurethane and gelatin on the polyester fabrics. In terms of blood compatibility, hemolysis and platelet adhesion are measured to investigate the anticoagulation performance. In vitro cell experiments also indicate that endothelial cells show good proliferation and morphology on the polyester fabric modified with such coating layers. Taken together, such polyester fabric coated with polyurethane and gelatin layers would have a promising potential in constructing vascular grafts with expected blood compatibility and biocompatibility without destroying the basic mechanical requirements for vascular applications.
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Affiliation(s)
- Wei Wang
- College of Textile & Clothing, Qingdao University, 308 Ningxia Road, Qingdao 266071, China; (W.W.); (H.Z.)
- Collaborative Innovation Center for Eco-Textiles of Shandong Province and the Ministry of Education, 308 Ningxia Road, Qingdao 266071, China
- State Key Laboratory for Biofibers and Eco-Textiles, 308 Ningxia Road, Qingdao 266071, China
- Collaborative Innovation Center for Eco-Textiles of Shandong Province, 308 Ningxia Road, Qingdao 266071, China
| | - Ziyi Zhou
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao Medical College, Qingdao University, Qingdao 266071, China; (Z.Z.); (N.L.); (X.Z.)
- Department of Cosmetic and Plastic Surgery, Affiliated Hospital of Qingdao University, Qingdao 266071, China
| | - Na Liu
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao Medical College, Qingdao University, Qingdao 266071, China; (Z.Z.); (N.L.); (X.Z.)
| | - Xiaopei Zhang
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao Medical College, Qingdao University, Qingdao 266071, China; (Z.Z.); (N.L.); (X.Z.)
| | - Hua Zhou
- College of Textile & Clothing, Qingdao University, 308 Ningxia Road, Qingdao 266071, China; (W.W.); (H.Z.)
- Collaborative Innovation Center for Eco-Textiles of Shandong Province and the Ministry of Education, 308 Ningxia Road, Qingdao 266071, China
- State Key Laboratory for Biofibers and Eco-Textiles, 308 Ningxia Road, Qingdao 266071, China
- Collaborative Innovation Center for Eco-Textiles of Shandong Province, 308 Ningxia Road, Qingdao 266071, China
| | - Yuanfei Wang
- Central Laboratory, Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao 266001, China
- Correspondence: (Y.W.); (K.F.); (T.W.)
| | - Kuanjun Fang
- College of Textile & Clothing, Qingdao University, 308 Ningxia Road, Qingdao 266071, China; (W.W.); (H.Z.)
- Collaborative Innovation Center for Eco-Textiles of Shandong Province and the Ministry of Education, 308 Ningxia Road, Qingdao 266071, China
- State Key Laboratory for Biofibers and Eco-Textiles, 308 Ningxia Road, Qingdao 266071, China
- Collaborative Innovation Center for Eco-Textiles of Shandong Province, 308 Ningxia Road, Qingdao 266071, China
- Correspondence: (Y.W.); (K.F.); (T.W.)
| | - Tong Wu
- Collaborative Innovation Center for Eco-Textiles of Shandong Province and the Ministry of Education, 308 Ningxia Road, Qingdao 266071, China
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao Medical College, Qingdao University, Qingdao 266071, China; (Z.Z.); (N.L.); (X.Z.)
- Department of Cosmetic and Plastic Surgery, Affiliated Hospital of Qingdao University, Qingdao 266071, China
- Correspondence: (Y.W.); (K.F.); (T.W.)
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14
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Sánchez-Machado DI, López-Cervantes J, Martínez-Ibarra DM, Escárcega-Galaz AA, Vega-Cázarez CA. The use of chitosan as a skin-regeneration agent in burns injuries: A review. E-POLYMERS 2022. [DOI: 10.1515/epoly-2022-0011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Abstract
Chitosan is an amino-polysaccharide, traditionally obtained by the partial deacetylation of chitin from exoskeletons of crustaceans. Properties such as biocompatibility, hemostasis, and the ability to absorb physiological fluids are attributed to this biopolymer. Chitosan’s biological properties are regulated by its origin, polymerization degree, and molecular weight. In addition, it possesses antibacterial and antifungal activities. It also has been used to prepare films, hydrogels, coatings, nanofibers, and absorbent sponges, all utilized for the healing of skin wounds. In in vivo studies with second-degree burns, healing has been achieved in at least 80% of the cases between the ninth and twelfth day of treatment with chitosan coatings. The crucial steps in the treatment of severe burns are the early excision of damaged tissue and adequate coverage to minimize the risk of infection. So far, partial-thickness autografting is considered the gold standard for the treatment of full-thickness burns. However, the limitations of donor sites have led to the development of skin substitutes. Therefore, the need for an appropriate dermal equivalent that functions as a regeneration template for the growth and deposition of new skin tissue has been recognized. This review describes the properties of chitosan that validate its potential in the treatment of skin burns.
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Affiliation(s)
- Dalia I. Sánchez-Machado
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora , MX 85000 Ciudad Obregón , Sonora , Mexico
| | - Jaime López-Cervantes
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora , MX 85000 Ciudad Obregón , Sonora , Mexico
| | - Diana M. Martínez-Ibarra
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora , MX 85000 Ciudad Obregón , Sonora , Mexico
| | - Ana A. Escárcega-Galaz
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora , MX 85000 Ciudad Obregón , Sonora , Mexico
| | - Claudia A. Vega-Cázarez
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora , MX 85000 Ciudad Obregón , Sonora , Mexico
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15
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Dey K, Agnelli S, Borsani E, Sartore L. Degradation-Dependent Stress Relaxing Semi-Interpenetrating Networks of Hydroxyethyl Cellulose in Gelatin-PEG Hydrogel with Good Mechanical Stability and Reversibility. Gels 2021; 7:gels7040277. [PMID: 34940337 PMCID: PMC8701964 DOI: 10.3390/gels7040277] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/21/2022] Open
Abstract
The mechanical milieu of the extracellular matrix (ECM) plays a key role in modulating the cellular responses. The native ECM exhibits viscoelasticity with stress relaxation behavior. Here, we reported the preparation of degradation-mediated stress relaxing semi-interpenetrating (semi-IPN) polymeric networks of hydroxyethyl cellulose in the crosslinked gelatin-polyethylene glycol (PEG) architecture, leveraging a newly developed synthesis protocol which successively includes one-pot gelation under physiological conditions, freeze-drying and a post-curing process. Fourier transform infrared (FTIR) confirmed the formation of the semi-IPN blend mixture. A surface morphology analysis revealed an open pore porous structure with a compact skin on the surface. The hydrogel showed a high water-absorption ability (720.00 ± 32.0%) indicating the ability of retaining a hydrophilic nature even after covalent crosslinking with functionalized PEG. Detailed mechanical properties such as tensile, compressive, cyclic compression and stress relaxation tests were conducted at different intervals over 28 days of hydrolytic degradation. Overall, the collective mechanical properties of the hydrogel resembled the mechanics of cartilage tissue. The rate of stress relaxation gradually increased with an increasing swelling ratio. Hydrolytic degradation led to a marked increase in the percentage dissipation energy and stress relaxation response, indicating the degradation-dependent viscoelasticity of the hydrogel. Strikingly, the hydrogel maintained the structural stability even after degrading two-thirds of its initial mass after a month-long hydrolytic degradation. This study demonstrates that this semi-IPN G-PEG-HEC hydrogel possesses bright prospects as a potential scaffolding material in tissue engineering.
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Affiliation(s)
- Kamol Dey
- Department of Applied Chemistry and Chemical Engineering, Faculty of Science, University of Chittagong, Chittagong 4331, Bangladesh
- Correspondence: (K.D.); (L.S.); Tel.: +880-187-506-5176 (K.D.)
| | - Silvia Agnelli
- Department of Mechanical and Industrial Engineering, University of Brescia, 25123 Brescia, Italy;
| | - Elisa Borsani
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy;
| | - Luciana Sartore
- Department of Mechanical and Industrial Engineering, University of Brescia, 25123 Brescia, Italy;
- Correspondence: (K.D.); (L.S.); Tel.: +880-187-506-5176 (K.D.)
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16
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Zhu L, Zhang S, Zhang H, Dong L, Cong Y, Sun S, Sun X. Polysaccharides composite materials for rapid hemostasis. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102890] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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17
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Fabrication, swelling behavior, and water absorption kinetics of genipin‐crosslinked gelatin–chitosan hydrogels. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25821] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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18
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Saha R, Patkar S, Maniar D, Pillai MM, Tayalia P. A bilayered skin substitute developed using an eggshell membrane crosslinked gelatin-chitosan cryogel. Biomater Sci 2021; 9:7921-7933. [PMID: 34698739 DOI: 10.1039/d1bm01194d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Commercially available allografts and xenografts pose problems such as high cost, risk of infection transmission and immune rejection of grafts. Thus, bioengineered skin substitutes fabricated from natural biomaterials or synthetic polymers are currently the focus of skin tissue engineering. In this study, eggshell membrane (ESM) powder was used to crosslink a gelatin-chitosan cryogel thereby replacing glutaraldehyde, a known cytotoxic chemical crosslinker. The resultant ESM-crosslinked macroporous cryogel with a pore size ranging between 10 and 350 μm has improved flexibility, biodegradability and biocompatibility compared to a glutaraldehyde-crosslinked cryogel. For healing of large and deep wounds, bilayered scaffolds which exhibit key aspects of skin physiology are being explored. Hence, we fabricated a bilayered substitute by coupling the ESM-crosslinked cryogel (dermal equivalent) to a non-porous, physically-crosslinked gelatin-chitosan film (epidermal equivalent). The epidermal layer provides the requisite barrier properties while the dermal layer facilitates cell attachment and migration for optimal wound healing. Further, chitosan confers antibacterial properties to the cryogel with almost 50% reduction in bacterial viability. Animal studies confirm that the developed bilayered skin substitute is non-allergic, aids wound healing by improving re-epithelialization within 14 days and supports the formation of skin appendages. This system presents a new and alternative treatment option for burn and chronic wounds.
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Affiliation(s)
- Rituparna Saha
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Shivali Patkar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Drishti Maniar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Mamatha M Pillai
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
| | - Prakriti Tayalia
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
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19
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Feroz S, Dias G. Hydroxypropylmethyl cellulose (HPMC) crosslinked keratin/hydroxyapatite (HA) scaffold fabrication, characterization and in vitro biocompatibility assessment as a bone graft for alveolar bone regeneration. Heliyon 2021; 7:e08294. [PMID: 34765797 PMCID: PMC8571510 DOI: 10.1016/j.heliyon.2021.e08294] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/08/2021] [Accepted: 10/27/2021] [Indexed: 12/16/2022] Open
Abstract
Wool derived keratin has garnered significant advancements in the field of biomaterials for hard tissue regeneration. The main limitation of keratin-based biomaterials for bone tissue engineering is their fragile nature. This paper proposes the development of a novel hydroxypropyl methylcellulose (HPMC) crosslinked keratin scaffold, containing hydroxyapatite as a major inorganic component by freeze drying technique for alveolar bone regeneration. The prepared keratin/hydroxyapatite/HPMC (K/HA/HPMC) scaffold was characterized to study its chemical, physical, and mechanical properties by Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), Energy dispersive X-ray spectroscopy (EDX), X-Ray diffractometric (XRD) analysis. The SEM images of the scaffolds showed highly porous interconnected architecture with average pore size of 108.36 ± 22.56 while microcomputed tomographic analysis measured total porosity as 79.65 %±. Energy dispersive X-ray spectroscopic (EDX) analysis confirmed that inorganic component of scaffold was mainly composed of calcium and phosphorous ions having Ca/P molar ration of 1.6. The maximum compressive strength was found to be in the range of 0.841 ± 0.37 MPa. Furthermore, the K/HA/HPMC scaffold was structurally stable and weight loss of about 26% was observed when soaked in phosphate buffered solution (PBS) for 28 days. In vitro biocompatibility testing showed that K/HA/HPMC scaffold was cytocompatible and supported the attachment, proliferation of osteoblast (Saos-2) cells. Thus, the development of a non-toxic chemical cross-linking system with HPMC was investigated to fabricate K/HA/HPMC scaffold and our results showed great potential of these scaffolds to regenerate alveolar bone due to their structural similarity and excellent in vitro biocompatibility.
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Affiliation(s)
- Sandleen Feroz
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, 9054, New Zealand
| | - George Dias
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, 9054, New Zealand
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20
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Ibne Mahbub MS, Sultana T, Gwon JG, Lee BT. Fabrication of thrombin loaded TEMPO-oxidized cellulose nanofiber-gelatin sponges and their hemostatic behavior in rat liver hemorrhage model. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 33:499-516. [PMID: 34644247 DOI: 10.1080/09205063.2021.1992877] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Excessive blood loss due to trauma or major surgical intervention can be life threatening which necessitates rapid hemorrhage management for the prevention of such bleeding related sufferings. Broad interest in developing new hemostatic technologies have been paid for bleeding control but none of them found completely satisfactory especially in terms of rapid clotting, absorbability, porosity, cost effectiveness and safety. To address these issues, a combination of active and passive hemostatic materials from biological sources could be a wise choice. Therefore, plant-derived TEMPO-oxidized nanocellulose (TOCN)/biopolymer gelatin (G) sponge was successfully prepared in co-operation with intrinsic blood coagulation enzyme thrombin (Th) via freeze drying method and their application as rapid hemostatic dressing was investigated. Morphological and in vitro characteristics of the samples were evaluated where uniformity, porosity, swelling, degradation behavior had direct relationship with the percent gelatin incorporation. In vitro hemocompatibility and cyto-compatibility of these sponges were confirmed as well. Among the samples, TOCN 2.5G-Th sponge exhibited excellent hemostatic effect, rapid absorbability, minimum clotting time (1.37 ± 0.152 min) and reduction of blood loss was ensured through rat liver punch biopsy model. The results demonstrated that, Th enhanced blood coagulation, platelet and red blood cell aggregation following application of biopolymer TOCN 2.5G-Th sponge compared with samples devoid of Th. In short, the functional, cost effective and nontoxic sponge developed via facile preparation could potentially be used as an absorbable biomaterial to achieve immediate hemostasis. HighlightsPlant-derived TEMPO-oxidized nanocellulose (TOCN) and biopolymer gelatin (G) was successfully used to prepare a hemostatic sponge in combination with intrinsic blood coagulation enzyme thrombin (Th).The TG sponge combines the advantages of TOCN and gelatin, exhibiting biocompatibility, biodegradability and superior blood-absorption performance.The TOCN 2.5G-Th sponge improves plasma absorption, red blood cell adhesion, aggregation, platelet adhesion and activation leading to enhanced hemostasis effect and shorter hemostasis time in vitro and in vivo.
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Affiliation(s)
- Md Sowaib Ibne Mahbub
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Tamanna Sultana
- Institute of Tissue Regeneration, Collage of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Jae-Gyoung Gwon
- Division of Environmental Material Engineering, Department of Forest Products, Korea Forest Research Institute, Seoul, South Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea.,Institute of Tissue Regeneration, Collage of Medicine, Soonchunhyang University, Cheonan, South Korea
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21
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Jamalpoor Z, Taromi N. Pre-vascularization of biomimetic 3-D scaffolds via direct co-culture of human umbilical cord derived osteogenic and angiogenic progenitor cells. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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22
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Tonndorf R, Aibibu D, Cherif C. Isotropic and Anisotropic Scaffolds for Tissue Engineering: Collagen, Conventional, and Textile Fabrication Technologies and Properties. Int J Mol Sci 2021; 22:9561. [PMID: 34502469 PMCID: PMC8431235 DOI: 10.3390/ijms22179561] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 12/15/2022] Open
Abstract
In this review article, tissue engineering and regenerative medicine are briefly explained and the importance of scaffolds is highlighted. Furthermore, the requirements of scaffolds and how they can be fulfilled by using specific biomaterials and fabrication methods are presented. Detailed insight is given into the two biopolymers chitosan and collagen. The fabrication methods are divided into two categories: isotropic and anisotropic scaffold fabrication methods. Processable biomaterials and achievable pore sizes are assigned to each method. In addition, fiber spinning methods and textile fabrication methods used to produce anisotropic scaffolds are described in detail and the advantages of anisotropic scaffolds for tissue engineering and regenerative medicine are highlighted.
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Affiliation(s)
- Robert Tonndorf
- Institute of Textile Machinery and High Performance Material Technology, Technische Universität Dresden, 01069 Dresden, Germany; (D.A.); (C.C.)
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23
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Xu J, Fang H, Zheng S, Li L, Jiao Z, Wang H, Nie Y, Liu T, Song K. A biological functional hybrid scaffold based on decellularized extracellular matrix/gelatin/chitosan with high biocompatibility and antibacterial activity for skin tissue engineering. Int J Biol Macromol 2021; 187:840-849. [PMID: 34339783 DOI: 10.1016/j.ijbiomac.2021.07.162] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/17/2021] [Accepted: 07/26/2021] [Indexed: 12/11/2022]
Abstract
Nowadays, decellularized extracellular matrix (dECM) has received widespread attention due to its diversity in providing the unique structural and functional components to support cell growth, and finding material with good biocompatibility and anti-infection capability for skin tissue engineering is still a challenge. In this study, a novel dECM/Gel/CS scaffold with appropriate mechanical strength, good antibacterial activity and high biocompatibility was prepared using a one-pot method. The results showed that the immune components such as cells and DNA (about 98.1%) were successfully removed from the porcine skin tissue. The dECM/Gel/CS scaffolds exhibited an interconnected pore structure and had a high porosity (>90%) to promote cell growth. Moreover, the appropriate elastic modulus (≥482.17 kPa) and degradability (≥80.04% for 15 days) of the scaffolds offered stout "houses" for cell proliferation and suitable degradation rate to match the new tissue formation in skin tissue engineering. Furthermore, the addition of chitosan endowed the scaffold with good antibacterial activity, water and protein absorption capacity to avoid wound infection, and maintain the moisture and nutrition balance. In vitro cytocompatibility studies showed that the presence of dECM effectively enhanced the cell proliferation. Overall, the advanced dECM/Gel/CS scaffold has considerable potential to be applied in skin tissue engineering.
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Affiliation(s)
- Jie Xu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Huan Fang
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Shuangshuang Zheng
- Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, China
| | - Liying Li
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Zeren Jiao
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3122, USA
| | - Hong Wang
- Department of orthopeadics, Dalian Municipal Central Hospital Affiliated of Dalian Medical University, Dalian 116033, China.
| | - Yi Nie
- Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, China; Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Tianqing Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
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24
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Velasco-Rodriguez B, Diaz-Vidal T, Rosales-Rivera LC, García-González CA, Alvarez-Lorenzo C, Al-Modlej A, Domínguez-Arca V, Prieto G, Barbosa S, Soltero Martínez JFA, Taboada P. Hybrid Methacrylated Gelatin and Hyaluronic Acid Hydrogel Scaffolds. Preparation and Systematic Characterization for Prospective Tissue Engineering Applications. Int J Mol Sci 2021; 22:ijms22136758. [PMID: 34201769 PMCID: PMC8268476 DOI: 10.3390/ijms22136758] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/17/2021] [Accepted: 06/19/2021] [Indexed: 02/06/2023] Open
Abstract
Hyaluronic acid (HA) and gelatin (Gel) are major components of the extracellular matrix of different tissues, and thus are largely appealing for the construction of hybrid hydrogels to combine the favorable characteristics of each biopolymer, such as the gel adhesiveness of Gel and the better mechanical strength of HA, respectively. However, despite previous studies conducted so far, the relationship between composition and scaffold structure and physico-chemical properties has not been completely and systematically established. In this work, pure and hybrid hydrogels of methacroyl-modified HA (HAMA) and Gel (GelMA) were prepared by UV photopolymerization and an extensive characterization was done to elucidate such correlations. Methacrylation degrees of ca. 40% and 11% for GelMA and HAMA, respectively, were obtained, which allows to improve the hydrogels’ mechanical properties. Hybrid GelMA/HAMA hydrogels were stiffer, with elastic modulus up to ca. 30 kPa, and porous (up to 91%) compared with pure GelMA ones at similar GelMA concentrations thanks to the interaction between HAMA and GelMA chains in the polymeric matrix. The progressive presence of HAMA gave rise to scaffolds with more disorganized, stiffer, and less porous structures owing to the net increase of mass in the hydrogel compositions. HAMA also made hybrid hydrogels more swellable and resistant to collagenase biodegradation. Hence, the suitable choice of polymeric composition allows to regulate the hydrogels´ physical properties to look for the most optimal characteristics required for the intended tissue engineering application.
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Affiliation(s)
- B. Velasco-Rodriguez
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
| | - T. Diaz-Vidal
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
| | - L. C. Rosales-Rivera
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
| | - C. A. García-González
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I + D Farma Group (GI-1645), Faculty of Pharmacy and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (C.A.G.-G.); (C.A.-L.)
| | - C. Alvarez-Lorenzo
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I + D Farma Group (GI-1645), Faculty of Pharmacy and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (C.A.G.-G.); (C.A.-L.)
| | - A. Al-Modlej
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - V. Domínguez-Arca
- Biophysics and Interfaces Group, Department of Applied Physics, Faculty of Physics, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (V.D.-A.); (G.P.)
| | - G. Prieto
- Biophysics and Interfaces Group, Department of Applied Physics, Faculty of Physics, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (V.D.-A.); (G.P.)
| | - S. Barbosa
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
| | - J. F. A. Soltero Martínez
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
- Correspondence: (J.F.A.S.M.); (P.T.)
| | - P. Taboada
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
- Correspondence: (J.F.A.S.M.); (P.T.)
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25
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Shojarazavi N, Mashayekhan S, Pazooki H, Mohsenifard S, Baniasadi H. Alginate/cartilage extracellular matrix-based injectable interpenetrating polymer network hydrogel for cartilage tissue engineering. J Biomater Appl 2021; 36:803-817. [PMID: 34121491 DOI: 10.1177/08853282211024020] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In the present study, alginate/cartilage extracellular matrix (ECM)-based injectable hydrogel was developed incorporated with silk fibroin nanofibers (SFN) for cartilage tissue engineering. The in situ forming hydrogels were composed of different ionic crosslinked alginate concentrations with 1% w/v enzymatically crosslinked phenolized cartilage ECM, resulting in an interpenetrating polymer network (IPN). The response surface methodology (RSM) approach was applied to optimize IPN hydrogel's mechanical properties by varying alginate and SFN concentrations. The results demonstrated that upon increasing the alginate concentration, the compression modulus improved. The SFN concentration was optimized to reach a desired mechanical stiffness. Accordingly, the concentrations of alginate and SFN to have an optimum compression modulus in the hydrogel were found to be 1.685 and 1.724% w/v, respectively. The gelation time was found to be about 10 s for all the samples. Scanning electron microscope (SEM) images showed homogeneous dispersion of the SFN in the hydrogel, mimicking the natural cartilage environment. Furthermore, water uptake capacity, degradation rate, cell cytotoxicity, and glycosaminoglycan and collagen II secretions were determined for the optimum hydrogel to support its potential as an injectable scaffold for articular cartilage defects.
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Affiliation(s)
- Nastaran Shojarazavi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Shohreh Mashayekhan
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Hossein Pazooki
- Department of Chemical and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Sadaf Mohsenifard
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Hossein Baniasadi
- Polymer Technology, School of Chemical Engineering, Aalto University, Espoo, Finland
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Functional Hydrophilic Membrane for Oil-Water Separation Based on Modified Bio-Based Chitosan-Gelatin. Polymers (Basel) 2021; 13:polym13071176. [PMID: 33917600 PMCID: PMC8038820 DOI: 10.3390/polym13071176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/02/2021] [Accepted: 04/04/2021] [Indexed: 11/17/2022] Open
Abstract
In this study, we fabricated a modified biomaterial based on chitosan and gelatin, which is an intrinsic hydrophilic membrane for oil-water separation to clean water contamination by oil. Modification of the membrane with a non-toxic natural crosslinker, genipin, significantly enhanced the stability of the biopolymer membrane in a water-based medium towards an eco-friendly environment. The effects of various compositions of genipin-crosslinked chitosan-gelatin membrane on the rheological properties, thermal stability, and morphological structure of the membrane were investigated using a dynamic rotational rheometer, thermogravimetry analysis, and chemical composition by attenuated total reflectance spectroscopy (ATR). Modified chitosan-gelatin membrane showed completely miscible blends, as determined by field-emission scanning electron microscopy, differential scanning calorimetry, and ATR. Morphological results showed membrane with establish microstructure to further experiment as filtration product. The membranes were successfully tested for their oil-water separation efficiencies. The membrane proved to be selective and effective in separating water from an oil-water mixture. The optimum results achieved a stable microporous structure of the membrane (microfiltration) and a separation efficiency of above 98%. The membrane showed a high permeation flux, generated as high as 698 and 420 L m-2 h-1 for cooking and crude oils, respectively. Owing to its outstanding recyclability and anti-fouling performance, the membrane can be washed away easily, ensuring the reusability of the prepared membrane.
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Physico-mechanical and biological evaluation of an injectable m-TG cross-linked thrombin loaded amended gelatin hemostat to heal liver trauma. Int J Biol Macromol 2021; 181:339-348. [PMID: 33781816 DOI: 10.1016/j.ijbiomac.2021.03.114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 12/20/2022]
Abstract
Free flow hemostatic agents are dominating over non-flowable hemostats due to their ability to cover asymmetrical wound surfaces of any depth and easily remove excess materials with irrigation. The objective of this study was to evaluate the activation of a coagulation system both in vitro and in vivo. We assessed detailed physical characteristics of a microbial transglutaminase (m-TG) crosslinked thrombin (TB) laden Gelatin (Gel) hemostat sealant in vitro and its hemostatic efficacy for controlling bleeding caused by liver trauma in rats as well as its efficacy for organ regeneration after making a critical defect. The prepared hemostat gel showed almost seven times higher absorbance behavior than a negative control. Thrombogenicity of the prepared gel was determined based on platelet adhesion, whole blood clotting time, and total blood absorption behavior. In vivo blood absorption and hematological parameters were determined in an animal model after implantation. The prepared gel was able to lead to a fast post-operative recovery with a blood absorption at wound defect. High speed of homeostasis was achieved by a fast clotting time in about 1 min.
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Skopinska-Wisniewska J, Tuszynska M, Olewnik-Kruszkowska E. Comparative Study of Gelatin Hydrogels Modified by Various Cross-Linking Agents. MATERIALS 2021; 14:ma14020396. [PMID: 33466924 PMCID: PMC7830246 DOI: 10.3390/ma14020396] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 01/08/2023]
Abstract
Gelatin is a natural biopolymer derived from collagen. Due to its many advantages, such as swelling capacity, biodegradability, biocompatibility, and commercial availability, gelatin is widely used in the field of pharmacy, medicine, and the food industry. Gelatin solutions easily form hydrogels during cooling, however, the materials are mechanically poor. To improve their properties, they are often chemically crosslinked. The cross-linking agents are divided into two groups: Zero-length and non-zero-length cross-linkers. In this study, gelatin was cross-linked by three different cross-linking agents: EDC-NHS, as a typically used cross-linker, and also squaric acid (SQ) and dialdehyde starch (DAS), as representatives of a second group of cross-linkers. For all prepared gelatin hydrogels, mechanical strength tests, thermal analysis, infrared spectroscopy, swelling ability, and SEM images were performed. The results indicate that the dialdehyde starch is a better cross-linking agent for gelatin than EDC-NHS. Meanwhile, the use of squaric acid does not give beneficial changes to the properties of the hydrogel.
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Affiliation(s)
- Joanna Skopinska-Wisniewska
- Chair of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
- Correspondence:
| | - Marta Tuszynska
- Chair of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
| | - Ewa Olewnik-Kruszkowska
- Chair of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
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Ahmadian M, Khoshfetrat AB, Khatami N, Morshedloo F, Rahbarghazi R, Hassani A, Kiani S. Influence of gelatin and collagen incorporation on peroxidase-mediated injectable pectin-based hydrogel and bioactivity of fibroblasts. J Biomater Appl 2020; 36:179-190. [PMID: 33302758 DOI: 10.1177/0885328220977601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pectin has recently attracted increasing attention for biomedical and pharmaceutical applications. Due to the lack of adhesion molecules in polysaccharides, phenolic hydroxyl conjugated gelatin was added to enzymatically-gellable peroxidase-modified pectin derivative and compared with phenolic hydroxyl -pectin/collagen. Both pectin and gelatin were modified by tyramine hydrochloride in the presence of EDC/NHS. The phenolic hydroxyl -pectin/phenolic hydroxyl -gelatin, phenolic hydroxyl-pectin/collagen, and phenolic hydroxyl -pectin hydrogels were prepared using horseradish peroxidase and hydrogen peroxide. The hydrogels were characterized by gelation time analysis. Morphology, enzymatic biodegradation, mechanical and swelling properties as well as water vapor transmission rate were also evaluated. Fibroblasts were cultured for 7 days, and the survival rate was evaluated using conventional MTT assay. Hydrogels composed of Ph-pectin/Ph-gelatin showed decreased biodegradation rate, and WVTR and further improved mechanical performance in comparison with other groups. Both phenolic hydroxyl -pectin/collagen and phenolic hydroxyl -pectin/phenolic hydroxyl -gelatin hydrogels exhibited porous structures. The hydrogels composed of collagen promoted cell survival rate 1.4 and 3.5 times compared to phenolic hydroxyl -gelatin and phenolic hydroxyl -pectin based hydrogels at the end of 7 days, respectively (p < 0.001). The study demonstrated the potential of enzymatically-gellable pectin-based hydrogels as cost-effective frameworks for use in tissue engineering applications.
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Affiliation(s)
- Mehri Ahmadian
- Sahand University of Technology, Tabriz, Islamic Republic of Iran
| | | | - Neda Khatami
- Sahand University of Technology, Tabriz, Islamic Republic of Iran
| | | | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran *These authors contributed equally to this work
| | - Ayla Hassani
- Sahand University of Technology, Tabriz, Islamic Republic of Iran
| | - Sahar Kiani
- Sahand University of Technology, Tabriz, Islamic Republic of Iran
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30
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Chitosan Composite Biomaterials for Bone Tissue Engineering—a Review. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2020. [DOI: 10.1007/s40883-020-00187-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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31
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Shi X, Cheng Y, Wang J, Chen H, Wang X, Li X, Tan W, Tan Z. 3D printed intelligent scaffold prevents recurrence and distal metastasis of breast cancer. Theranostics 2020; 10:10652-10664. [PMID: 32929372 PMCID: PMC7482818 DOI: 10.7150/thno.47933] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 08/21/2020] [Indexed: 02/07/2023] Open
Abstract
Rationale: Tumors are commonly treated by resection, which usually leads to massive hemorrhage and tumor cell residues, thereby increasing the risk of local recurrence and distant metastasis. Methods: Herein, an intelligent 3D-printed poly(lactic-co-glycolic acid), gelatin, and chitosan scaffold loaded with anti-cancer drugs was prepared that showed hemostatic function and good pH sensitivity. Results: Following in situ implantation in wounds, the scaffolds absorbed hemorrhage and cell residues after surgery, and promoted wound healing. In an in vivo environment, the scaffold responded to the slightly acidic environment of the tumor to undergo sustained drug release to significantly inhibit the recurrence and growth of the tumor, and reduced drug toxicity, all without causing damage to healthy tissues and with good biocompatibility. Conclusions: The multifunctional intelligent scaffold represents an excellent treatment modality for breast cancer following resection, and provides great potential for efficient cancer therapy.
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Xie Z, Gao M, Lobo AO, Webster TJ. 3D Bioprinting in Tissue Engineering for Medical Applications: The Classic and the Hybrid. Polymers (Basel) 2020; 12:E1717. [PMID: 32751797 PMCID: PMC7464247 DOI: 10.3390/polym12081717] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 12/16/2022] Open
Abstract
Three-dimensional (3D) printing, as one of the most popular recent additive manufacturing processes, has shown strong potential for the fabrication of biostructures in the field of tissue engineering, most notably for bones, orthopedic tissues, and associated organs. Desirable biological, structural, and mechanical properties can be achieved for 3D-printed constructs with a proper selection of biomaterials and compatible bioprinting methods, possibly even while combining additive and conventional manufacturing (AM and CM) procedures. However, challenges remain in the need for improved printing resolution (especially at the nanometer level), speed, and biomaterial compatibilities, and a broader range of suitable 3D-printed materials. This review provides an overview of recent advances in the development of 3D bioprinting techniques, particularly new hybrid 3D bioprinting technologies for combining the strengths of both AM and CM, along with a comprehensive set of material selection principles, promising medical applications, and limitations and future prospects.
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Affiliation(s)
- Zelong Xie
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA; (Z.X.); (M.G.)
| | - Ming Gao
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA; (Z.X.); (M.G.)
| | - Anderson O. Lobo
- LIMAV–Interdisciplinary Laboratory for Advanced Materials, BioMatLab, UFPI–Federal University of Piauí, Teresina 64049-550, Brazil;
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA; (Z.X.); (M.G.)
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Magli S, Rossi GB, Risi G, Bertini S, Cosentino C, Crippa L, Ballarini E, Cavaletti G, Piazza L, Masseroni E, Nicotra F, Russo L. Design and Synthesis of Chitosan-Gelatin Hybrid Hydrogels for 3D Printable in vitro Models. Front Chem 2020; 8:524. [PMID: 32760695 PMCID: PMC7373092 DOI: 10.3389/fchem.2020.00524] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/22/2020] [Indexed: 12/23/2022] Open
Abstract
The development of 3D printable hydrogels based on the crosslinking between chitosan and gelatin is proposed. Chitosan and gelatin were both functionalized with methyl furan groups. Chemical modification was performed by reductive amination with methyl furfural involving the lysine residues of gelatin and the amino groups of chitosan to generate hydrogels with tailored properties. The methyl furan residues present in both polymers were exploited for efficient crosslinking via Diels-Alder ligation with PEG-Star-maleimide under cell-compatible conditions. The obtained chitosan-gelatin hybrid was employed to formulate hydrogels and 3D printable biopolymers and its processability and biocompatibility were preliminarily investigated.
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Affiliation(s)
- Sofia Magli
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Giulia Beatrice Rossi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Giulia Risi
- G. Ronzoni Institute for Chemical and Biochemical Research, Milan, Italy
| | - Sabrina Bertini
- G. Ronzoni Institute for Chemical and Biochemical Research, Milan, Italy
| | - Cesare Cosentino
- G. Ronzoni Institute for Chemical and Biochemical Research, Milan, Italy
| | - Luca Crippa
- Department of Medical and Surgical Science, University of Milano-Bicocca, Milan, Italy
| | - Elisa Ballarini
- Department of Medical and Surgical Science, University of Milano-Bicocca, Milan, Italy
| | - Guido Cavaletti
- Department of Medical and Surgical Science, University of Milano-Bicocca, Milan, Italy
| | - Laura Piazza
- Department of Environmental Science and Policy (ESP), University of Milan, Milan, Italy
| | - Elisa Masseroni
- Department of Environmental Science and Policy (ESP), University of Milan, Milan, Italy
| | - Francesco Nicotra
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Laura Russo
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
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34
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Zhou L, Xu T, Yan J, Li X, Xie Y, Chen H. Fabrication and characterization of matrine-loaded konjac glucomannan/fish gelatin composite hydrogel as antimicrobial wound dressing. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.105702] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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35
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Sakthiguru N, Sithique MA. Fabrication of bioinspired chitosan/gelatin/allantoin biocomposite film for wound dressing application. Int J Biol Macromol 2020; 152:873-883. [DOI: 10.1016/j.ijbiomac.2020.02.289] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/21/2020] [Accepted: 02/25/2020] [Indexed: 02/06/2023]
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36
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Morshedloo F, Khoshfetrat AB, Kazemi D, Ahmadian M. Gelatin improves peroxidase-mediated alginate hydrogel characteristics as a potential injectable hydrogel for soft tissue engineering applications. J Biomed Mater Res B Appl Biomater 2020; 108:2950-2960. [PMID: 32351038 DOI: 10.1002/jbm.b.34625] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/27/2020] [Accepted: 04/18/2020] [Indexed: 12/14/2022]
Abstract
To develop an efficient injectable alginate-based hydrogel for soft tissue engineering applications, phenol moiety (Ph) was introduced into alginate (Alg-Ph), and the influence of gelatin as cell adhesive molecule was evaluated on the peroxidase-mediated alginate hydrogel properties and cultured chondrocytic cell behavior. Addition of gelatin (1.5% w/v) to Alg-Ph (1.5% w/v) hydrogels (Alg-Ph/gelatin) regulated characteristics of the enzymatically gellable alginate hydrogel with increasing gelation time to 5.1 min (76%). Swelling ratio and degradation rates of the Alg-Ph/gelatin hydrogel also increased 60 and 100%, respectively, while the mechanical strength value was 35% less than the Alg-Ph hydrogel. Scanning electron microscopy images showed that the addition of gelatin could also increase uniformity of pore sizes inside the Alg-Ph/gelatin hydrogels. The chondrocyte cells maintained their original phenotype and revealed statistically more metabolic activities in the Alg-Ph/gelatin hydrogel. Hydrogels subscutaneously implanted in rats could also be identified readily without complete absorption and signs of toxicity or any untoward reactions after 1 month. Viable chondrocyte cells inside globular aggregates were seen as red colored areas in the cell-laden hydrogels. The study demonstrates that enzymatically gellable alginate/gelatin hydrogel has fair potential as a natural-based injectable hydrogel for soft tissue engineering applications.
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Affiliation(s)
- Fatemeh Morshedloo
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran.,Stem Cell and Tissue Engineering Research Laboratory, Sahand University of Technology, Tabriz, Iran
| | - Ali Baradar Khoshfetrat
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran.,Stem Cell and Tissue Engineering Research Laboratory, Sahand University of Technology, Tabriz, Iran
| | - Davoud Kazemi
- Department of Veterinary Clinical Sciences, Islamic Azad University, Tabriz Branch, Tabriz, Iran
| | - Mehri Ahmadian
- Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran.,Stem Cell and Tissue Engineering Research Laboratory, Sahand University of Technology, Tabriz, Iran
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37
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Afjoul H, Shamloo A, Kamali A. Freeze-gelled alginate/gelatin scaffolds for wound healing applications: An in vitro, in vivo study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:110957. [PMID: 32487379 DOI: 10.1016/j.msec.2020.110957] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/12/2022]
Abstract
In this study, fabrication of a three-dimensional porous scaffold was performed using freeze gelation method. Recently, fabrication of scaffolds using polymer blends has become common for many tissue engineering applications due to their unique tunable properties. In this work, we fabricated alginate-gelatin porous hydrogels for wound healing application using a new method based on some modifications to the freeze-gelation method. Alginate and gelatin were mixed in three different ratios and the resulting solutions underwent freeze gelation to obtain 3D porous matrices. We analyzed the samples using different characterization tests. The scanning electron microscopy (SEM) results indicated that the freeze gelation method was successful in obtaining porous morphologies for all the fabricated alginate-gelatin samples as previously was seen in single-polymer fabrication using this method. The alginate to gelatin ratio affected swelling, biodegradation, cell culture and mechanical properties of the matrices. The scaffold with the lowest content of gelatin had the highest swelling ratio while biodegradation and cell proliferation and viability were increased with the gelatin content. Regarding the mechanical properties, as the gelatin content increased, the scaffold became more ductile and showed higher tensile strength. The in-vivo results also showed the biocompatibility of the blend scaffold and its positive role in wound healing process in rats. The low-cost procedure used in this study to fabricate the porous alginate-gelatin scaffolds can be adapted and modified to suit different tissue engineering applications.
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Affiliation(s)
- Homa Afjoul
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
| | - Amir Shamloo
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran.
| | - Ali Kamali
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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38
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Abstract
This study was targeted towards the synthesis and characterization of new chitosan–gelatin biocomposite films reinforced with graphene oxide and crosslinked with genipin. The composites’ mode of structuration was characterized by Fourier Transform Infrared spectroscopy and X-ray diffraction, while morphology and topography were investigated by scanning electron microscopy, nano-computer tomography and profilometry. Eventually, thermal stability was evaluated through thermogravimetrical analysis, mechanical properties assessment was carried out to detect potential improvements as a result of graphene oxide (GO) addition and in vitro enzyme degradation was performed to discern the most promising formulations for the maturation of the study towards in vivo assays. In accordance with similar works, results indicated the possibility of using GO as an agent for adjusting films’ roughness, chemical stability and polymer structuration. The enzymatic stability of chitosan–gelatin (CHT-GEL) films was also improved by genipin (GEN) crosslinking and GO supplementation, with the best results being obtained for CHT-GEL-GEN and CHT-GEL-GEN-GO3 (crosslinked formulation with 3 wt.% GO). Yet, contrary to previous reports, no great enhancement of CHT-GEN-GEL-GO thermal performances was obtained by the incorporation of GO.
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39
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Nga NK, Thanh Tam LT, Ha NT, Hung Viet P, Huy TQ. Enhanced biomineralization and protein adsorption capacity of 3D chitosan/hydroxyapatite biomimetic scaffolds applied for bone-tissue engineering. RSC Adv 2020; 10:43045-43057. [PMID: 35514933 PMCID: PMC9058216 DOI: 10.1039/d0ra09432c] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 11/12/2020] [Indexed: 12/22/2022] Open
Abstract
This work presents the enhanced biomineralization and protein adsorption capacity of 3D chitosan/hydroxyapatite (CS/HAp) biomimetic scaffolds synthesized from natural sources applied for bone-tissue engineering (BTE).
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Affiliation(s)
- Nguyen Kim Nga
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Lai Thi Thanh Tam
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Nguyen Thu Ha
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Pham Hung Viet
- Research Center for Environmental Technology and Sustainable Development
- Hanoi University of Science
- Hanoi
- Vietnam
| | - Tran Quang Huy
- Phenikaa University Nano Institute (PHENA)
- Phenikaa University
- Hanoi 12116
- Vietnam
- Faculty of Electrical and Electronic Engineering
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40
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Chen Q, Yang H, Li Y, Wang X, Wei L, Du Y. Effects of Yak skin gelatin on platelet activation. Food Funct 2019; 10:3379-3385. [PMID: 31107473 DOI: 10.1039/c8fo02513d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Studies have shown that gelatin is not only a good hemostatic material, but also a food additive with potentially broad use. Yak skin gelatin is a new gelatin resource, but its oral coagulant effects have not been studied. Given the central role of platelets in hemostasis, in this study we examined the pharmacodynamical differences between different molecular Yak skin gelatins on platelet activation. The hemostatic effects of Yak skin gelatins with different molecular weight distributions were evaluated for bleeding time (BT), clotting time (CT), and platelet activity by measuring the contents of P-selectin, platelet membrane glycoprotein Ia/IIa (GP Ia/IIa), platelet membrane glycoprotein IIb/IIIa (GP IIb/IIIa), and platelet membrane glycoprotein IV (GP IV). Intragastric administration of Yak skin gelatin resulted in a significant reduction in CT and BT, and an increase in the contents of P-selectin, GP Ia/IIa, GP IIb/IIIa, and GP IV in all groups in comparison with the control group. The strongest activation of platelets by Yak skin gelatin was observed with size between 0.1 μm and 0.22 μm, and activation may have been in response to improving GP IIb/IIIa and GP IV levels. When measuring the levels of an established indicator of platelet activation, platelet activation-dependent granule membrane protein (CD62P), its promotion was observed for all molecular weight ranges of Yak skin gelatins. In brief, Yak skin gelatin has hemostatic effects, and Yak skin gelatin fractions between 0.1 μm and 0.22 μm are the primary effectors of hemostasis via promoting platelet membrane glycoprotein activities and strengthening platelet function.
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Affiliation(s)
- Qi Chen
- Qinghai Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Chinese Academy of Sciences, 810008 Xining, China.
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41
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Shin JY, Jeong SJ, Lee WK. Fabrication of porous scaffold by ternary combination of chitosan, gelatin, and calcium phosphate for tissue engineering. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.07.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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42
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Ghorbani F, Zamanian A, Kermanian F, Shamoosi A. A bioinspired 3D shape olibanum‐collagen‐gelatin scaffolds with tunable porous microstructure for efficient neural tissue regeneration. Biotechnol Prog 2019; 36:e2918. [DOI: 10.1002/btpr.2918] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 07/14/2019] [Accepted: 09/17/2019] [Indexed: 01/23/2023]
Affiliation(s)
- Farnaz Ghorbani
- Department of Orthopedics, Shanghai Pudong HospitalFudan University Pudong Medical Center Shanghai China
| | - Ali Zamanian
- Department of Nanotechnology and Advanced MaterialsMaterials and Energy Research Center Karaj Iran
| | - Fatemeh Kermanian
- Department of Anatomy, School of MedicineAlborz University of Medical Sciences Karaj Iran
| | - Atefeh Shamoosi
- Department of Anatomy, School of MedicineAlborz University of Medical Sciences Karaj Iran
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43
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Effect of cross-linking on the dimensional stability and biocompatibility of a tailored 3D-bioprinted gelatin scaffold. Int J Biol Macromol 2019; 135:659-667. [DOI: 10.1016/j.ijbiomac.2019.05.207] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 12/12/2022]
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44
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Toniato TV, Stocco TD, Martins DDS, Santanna LB, Tim CR, Marciano FR, Silva-Filho EC, Campana-Filho SP, Lobo ADO. Hybrid chitosan/amniotic membrane-based hydrogels for articular cartilage tissue engineering application. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1636249] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Thiago Domingues Stocco
- Faculty of Medical Sciences, State University of Campinas, São Paulo, Brazil
- Faculty of Physiotherapy, University of Santo Amaro, São Paulo, Brazil
| | | | | | - Carla Roberta Tim
- Scientific and Technological Institute, Brasil University, São Paulo, Brazil
| | | | - Edson Cavalcanti Silva-Filho
- LIMAV-Interdisciplinary Laboratory for Advanced Materials, Department of Materials Engineering, UFPI-Federal University of Piauí, Teresina, Piauí, Brazil
| | | | - Anderson de Oliveira Lobo
- LIMAV-Interdisciplinary Laboratory for Advanced Materials, Department of Materials Engineering, UFPI-Federal University of Piauí, Teresina, Piauí, Brazil
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45
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Rana Khalid I, Darakhshanda I, Rafi a R. 3D Bioprinting: An attractive alternative to traditional organ transplantation. ACTA ACUST UNITED AC 2019. [DOI: 10.17352/abse.000012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Robles-Bykbaev Y, Naya S, Díaz-Prado S, Calle-López D, Robles-Bykbaev V, Garzón L, Sanjurjo-Rodríguez C, Tarrío-Saavedra J. An artificial-vision- and statistical-learning-based method for studying the biodegradation of type I collagen scaffolds in bone regeneration systems. PeerJ 2019; 7:e7233. [PMID: 31316873 PMCID: PMC6613533 DOI: 10.7717/peerj.7233] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 05/31/2019] [Indexed: 12/13/2022] Open
Abstract
This work proposes a method based on image analysis and machine and statistical learning to model and estimate osteocyte growth (in type I collagen scaffolds for bone regeneration systems) and the collagen degradation degree due to cellular growth. To achieve these aims, the mass of collagen -subjected to the action of osteocyte growth and differentiation from stem cells- was measured on 3 days during each of 2 months, under conditions simulating a tissue in the human body. In addition, optical microscopy was applied to obtain information about cellular growth, cellular differentiation, and collagen degradation. Our first contribution consists of the application of a supervised classification random forest algorithm to image texture features (the structure tensor and entropy) for estimating the different regions of interest in an image obtained by optical microscopy: the extracellular matrix, collagen, and image background, and nuclei. Then, extracellular-matrix and collagen regions of interest were determined by the extraction of features related to the progression of the cellular growth and collagen degradation (e.g., mean area of objects and the mode of an intensity histogram). Finally, these critical features were statistically modeled depending on time via nonparametric and parametric linear and nonlinear models such as those based on logistic functions. Namely, the parametric logistic mixture models provided a way to identify and model the degradation due to biological activity by estimating the corresponding proportion of mass loss. The relation between osteocyte growth and differentiation from stem cells, on the one hand, and collagen degradation, on the other hand, was determined too and modeled through analysis of image objects' circularity and area, in addition to collagen mass loss. This set of imaging techniques, machine learning procedures, and statistical tools allowed us to characterize and parameterize type I collagen biodegradation when collagen acts as a scaffold in bone regeneration tasks. Namely, the parametric logistic mixture models provided a way to identify and model the degradation due to biological activity and thus to estimate the corresponding proportion of mass loss. Moreover, the proposed methodology can help to estimate the degradation degree of scaffolds from the information obtained by optical microscopy.
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Affiliation(s)
- Yaroslava Robles-Bykbaev
- Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS, Departamento de Medicina, Universidade da Coruña, A Coruña, Spain.,Cátedra UNESCO UPS Tecnologías de apoyo para la Inclusión Educativa, Universidad Politécnica Salesiana, Cuenca, Ecuador.,Grupo de Investigación en Materiales (GiMaT), Universidad Politécnica Salesiana, Cuenca, Ecuador
| | - Salvador Naya
- Grupo MODES, CITIC, ITMATI, Departamento de Matemáticas, Universidade da Coruña, Ferrol, Spain
| | - Silvia Díaz-Prado
- Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS, Departamento de Medicina, Universidade da Coruña, A Coruña, Spain
| | - Daniel Calle-López
- Cátedra UNESCO UPS Tecnologías de apoyo para la Inclusión Educativa, Universidad Politécnica Salesiana, Cuenca, Ecuador
| | - Vladimir Robles-Bykbaev
- Cátedra UNESCO UPS Tecnologías de apoyo para la Inclusión Educativa, Universidad Politécnica Salesiana, Cuenca, Ecuador
| | - Luis Garzón
- Grupo de Investigación en Materiales (GiMaT), Universidad Politécnica Salesiana, Cuenca, Ecuador
| | - Clara Sanjurjo-Rodríguez
- Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS, Departamento de Medicina, Universidade da Coruña, A Coruña, Spain
| | - Javier Tarrío-Saavedra
- Grupo MODES, CITIC, ITMATI, Departamento de Matemáticas, Universidade da Coruña, Ferrol, Spain
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Hu X, Li W, Li L, Lu Y, Wang Y, Parungao R, Zheng S, Liu T, Nie Y, Wang H, Song K. A biomimetic cartilage gradient hybrid scaffold for functional tissue engineering of cartilage. Tissue Cell 2019; 58:84-92. [PMID: 31133251 DOI: 10.1016/j.tice.2019.05.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/03/2019] [Accepted: 05/01/2019] [Indexed: 12/29/2022]
Abstract
Osteochondral tissue has a complex layered structure that is not self-repairing after a cartilage defect. Therefore, constructing a biomimetic gradient scaffold that meets the specific structural requirements of osteochondral tissue is a major challenge in the field of cartilage tissue engineering. In this study, chitosan/Sodium β-glycerophosphate/Gelatin (Cs/GP/Gel) biomimetic gradient scaffolds were prepared by regulating the mass ratio of single layer raw materials. The same ratio of Cs/GP/Gel hybrid scaffold material was used as the control. Physical properties such as water absorption, porosity and the degradation rate of the material were compared to optimize the proportion of scaffold materials. P3 Bone Mesenchymal Stem Cells (BMSCs) were inoculated on the gradient and the control scaffolds to investigate its biocompatibility. Scanning electron microscopy (SEM) results show that 3:1:2, 6:1:3.5, 9:1:5, 12:1:6.5, 15:1:8 Cs/GP/Gel gradient scaffolds had excellent three-dimensional porous structures. Channels were also shown to have been interconnected, and the walls of the pores were folded. In the longitudinal dimension, gradient scaffolds had an obvious stratified structure and pore gradient gradualism, that effectively simulated the natural physiological stratified structure of real cartilage. The diameter of the pores in the control scaffold was uniform and without any pore gradient. Gradient scaffolds had good water absorption (584.24 ± 3.79˜677.47 ± 1.70%), porosity (86.34 ± 5.10˜95.20 ± 2.86%) and degradation (86.09 ± 2.46˜92.48 ± 3.86%). After considering the physical properties assessed, the Cs/GP/Gel gradient scaffold with a ratio of 9:1:5 was found to be the most suitable material to support osteochondral tissue. BMSCs were subsequently inoculated on the proportional gradient and hybrid scaffolds culture. These cells survived, distributed and extended well on the gradient and hybrid scaffold material. The biomimetic gradient scaffold designed and prepared in this study provides an important foundation for the development of new gradient composite biomedical materials for osteochondral repair.
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Affiliation(s)
- Xueyan Hu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Wenfang Li
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Liying Li
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yanguo Lu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yiwei Wang
- Burns Research Group, ANZAC Research Institute, University of Sydney, Concord, NSW, 2139, Australia
| | - Roxanne Parungao
- Burns Research Group, ANZAC Research Institute, University of Sydney, Concord, NSW, 2139, Australia
| | - Shuangshuang Zheng
- Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, China; Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Tianqing Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Yi Nie
- Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, China; Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Hongfei Wang
- Department of Orthopedics, The Second Affiliated Hospital of Dalian Medical University, Dalian 116023, China.
| | - Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
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48
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A Novel Biodegradable Multilayered Bioengineered Vascular Construct with a Curved Structure and Multi-Branches. MICROMACHINES 2019; 10:mi10040275. [PMID: 31022873 PMCID: PMC6523450 DOI: 10.3390/mi10040275] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 04/17/2019] [Accepted: 04/21/2019] [Indexed: 12/18/2022]
Abstract
Constructing tissue engineered vascular grafts (TEVG) is of great significance for cardiovascular research. However, most of the fabrication techniques are unable to construct TEVG with a bifurcated and curved structure. This paper presents multilayered biodegradable TEVGs with a curved structure and multi-branches. The technique combined 3D printed molds and casting hydrogel and sacrificial material to create vessel-mimicking constructs with customizable structural parameters. Compared with other fabrication methods, the proposed technique can create more native-like 3D geometries. The diameter and wall thickness of the fabricated constructs can be independently controlled, providing a feasible approach for TEVG construction. Enzymatically-crosslinked gelatin was used as the material of the constructs. The mechanical properties and thermostability of the constructs were evaluated. Fluid-structure interaction simulations were conducted to examine the displacement of the construct’s wall when blood flows through it. Human umbilical vein endothelial cells (HUVECs) were seeded on the inner channel of the constructs and cultured for 72 h. The cell morphology was assessed. The results showed that the proposed technique had good application potentials, and will hopefully provide a novel technological approach for constructing integrated vasculature for tissue engineering.
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Jamalpoor Z, Taromi N, Soleimani M, Koudehi MF, Asgari A. In vitro interaction of human Wharton's jelly mesenchymal stem cells with biomimetic 3D scaffold. J Biomed Mater Res A 2019; 107:1166-1175. [DOI: 10.1002/jbm.a.36608] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 12/24/2018] [Accepted: 01/03/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Zahra Jamalpoor
- Trauma Research CenterAja University of Medical Sciences Tehran Iran
| | - Nafise Taromi
- Department of Medical Biotechnology, Faculty of Allied MedicineIran University of Medical Sciences Tehran Iran
- Cellular and Molecular Research CenterIran University of Medical Sciences Tehran Iran
| | - Mansooreh Soleimani
- Cellular and Molecular Research CenterIran University of Medical Sciences Tehran Iran
- Department of AnatomyIran University of Medical Sciences Tehran Iran
| | | | - Alireza Asgari
- Aerospace Medicine Research CenterAja University of Medical Sciences Tehran Iran
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Rodríguez-Rodríguez R, Espinosa-Andrews H, Velasquillo-Martínez C, García-Carvajal ZY. Composite hydrogels based on gelatin, chitosan and polyvinyl alcohol to biomedical applications: a review. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1581780] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rogelio Rodríguez-Rodríguez
- Unidad Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Jalisco, Mexico
| | - Hugo Espinosa-Andrews
- Unidad de Tecnología Alimentaria, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Zapopan, Jalisco, México
| | | | - Zaira Yunuen García-Carvajal
- Unidad Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Jalisco, Mexico
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