1
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Davis ZG, Koch DW, Watson SL, Scull GM, Brown AC, Schnabel LV, Fisher MB. Controlled Stiffness of Direct-Write, Near-Field Electrospun Gelatin Fibers Generates Differences in Tenocyte Morphology and Gene Expression. J Biomech Eng 2024; 146:091008. [PMID: 38529730 PMCID: PMC11080953 DOI: 10.1115/1.4065163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 03/18/2024] [Accepted: 03/18/2024] [Indexed: 03/27/2024]
Abstract
Tendinopathy is a leading cause of mobility issues. Currently, the cell-matrix interactions involved in the development of tendinopathy are not fully understood. In vitro tendon models provide a unique tool for addressing this knowledge gap as they permit fine control over biochemical, micromechanical, and structural aspects of the local environment to explore cell-matrix interactions. In this study, direct-write, near-field electrospinning of gelatin solution was implemented to fabricate micron-scale fibrous scaffolds that mimic native collagen fiber size and orientation. The stiffness of these fibrous scaffolds was found to be controllable between 1 MPa and 8 MPa using different crosslinking methods (EDC, DHT, DHT+EDC) or through altering the duration of crosslinking with EDC (1 h to 24 h). EDC crosslinking provided the greatest fiber stability, surviving up to 3 weeks in vitro. Differences in stiffness resulted in phenotypic changes for equine tenocytes with low stiffness fibers (∼1 MPa) promoting an elongated nuclear aspect ratio while those on high stiffness fibers (∼8 MPa) were rounded. High stiffness fibers resulted in the upregulation of matrix metalloproteinase (MMPs) and proteoglycans (possible indicators for tendinopathy) relative to low stiffness fibers. These results demonstrate the feasibility of direct-written gelatin scaffolds as tendon in vitro models and provide evidence that matrix mechanical properties may be crucial factors in cell-matrix interactions during tendinopathy formation.
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Affiliation(s)
- Zachary G. Davis
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
| | - Drew W. Koch
- College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
- North Carolina State University
| | - Samantha L. Watson
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill, Raleigh, NC 27695
| | - Grant M. Scull
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
| | - Ashley C. Brown
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
| | - Lauren V. Schnabel
- College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695
- North Carolina State University
| | - Matthew B. Fisher
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill, Raleigh, NC 27695; Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695; Department of Orthopaedics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
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2
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Larue L, Michely L, Grande D, Belbekhouche S. Design of Collagen and Gelatin-based Electrospun Fibers for Biomedical Purposes: An Overview. ACS Biomater Sci Eng 2024. [PMID: 39092811 DOI: 10.1021/acsbiomaterials.4c00948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Collagen and gelatin are essential natural biopolymers commonly utilized in biomaterials and tissue engineering because of their excellent physicochemical and biocompatibility properties. They can be used either in combination with other biomacromolecules or particles or even exclusively for the enhancement of bone regeneration or for the development of biomimetic scaffolds. Collagen or gelatin derivatives can be transformed into nanofibrous materials with porous micro- or nanostructures and superior mechanical properties and biocompatibility using electrospinning technology. Specific attention was recently paid to electrospun mats of such biopolymers, due to their high ratio of surface area to volume, as well as their biocompatibility, biodegradability, and low immunogenicity. The fiber mats with submicro- and nanometer scale can replicate the extracellular matrix structure of human tissues and organs, making them highly suitable for use in tissue engineering due to their exceptional bioaffinity. The drawbacks may include rapid degradation and complete dissolution in aqueous media. The use of gelatin/collagen electrospun nanofibers in this form is thus greatly restricted for biomedicine. Therefore, the cross-linking of these fibers is necessary for controlling their aqueous solubility. This led to enhanced biological characteristics of the fibers, rendering them excellent options for various biomedical uses. The objective of this review is to highlight the key research related to the electrospinning of collagen and gelatin, as well as their applications in the biomedical field. The review features a detailed examination of the electrospinning fiber mats, showcasing their varying structures and performances resulting from diverse solvents, electrospinning processes, and cross-linking methods. Judiciously selected examples from literature will be presented to demonstrate major advantages of such biofibers. The current developments and difficulties in this area of research are also being addressed.
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Affiliation(s)
- Laura Larue
- Université Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est (ICMPE), UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
| | - Laurent Michely
- Université Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est (ICMPE), UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
| | - Daniel Grande
- Université Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est (ICMPE), UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
| | - Sabrina Belbekhouche
- Université Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est (ICMPE), UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
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3
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Zhang Y, Wang J. Current status and prospects of gelatin and its derivatives in oncological applications: Review. Int J Biol Macromol 2024; 274:133590. [PMID: 38996884 DOI: 10.1016/j.ijbiomac.2024.133590] [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: 02/25/2024] [Revised: 06/23/2024] [Accepted: 06/29/2024] [Indexed: 07/14/2024]
Abstract
Treating cancer remains challenging due to the substantial side effects and unfavourable pharmacokinetic characteristics of antineoplastic medications, despite the progress made in comprehending the properties and actions of tumour cells in recent years. The advancement of biomaterials, such as stents, implants, personalised drug delivery systems, tailored grafts, cell sheets, and other transplantable materials, has brought about a significant transformation in healthcare and medicine in recent years. Gelatin is a very adaptable natural polymer that finds extensive application in healthcare-related industries owing to its favourable characteristics, including biocompatibility, biodegradability, affordability, and the presence of accessible chemical groups. Gelatin is used as a biomaterial in the biomedical sector for the creation of drug delivery systems (DDSs) since it may be applied to various synthetic procedures. Gelatin nanoparticles (NPs) have been extensively employed as carriers for drugs and genes, specifically targeting diseased tissues such as cancer, tuberculosis, and HIV infection, as well as treating vasospasm and restenosis. This is mostly due to their biocompatibility and ability to degrade naturally. Gelatins possess a diverse array of potential applications that require more elucidation. This review focuses on the use of gelatin and its derivatives in the diagnosis and treatment of cancer. The advancement of biomaterials and bioreactors, coupled with the increasing understanding of emerging applications for biomaterials, has enabled progress in enhancing the efficacy of tumour treatment.
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Affiliation(s)
- Yingfeng Zhang
- University-Town Hospital of Chongqing Medical University, Chongqing 401331, China
| | - Jia Wang
- University-Town Hospital of Chongqing Medical University, Chongqing 401331, China.
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4
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Yuan S, Chen Q, Guo M, Xu Y, Wang W, Li Z. Fabrication of Bioresorbable Barrier Membranes from Gelatin/Poly(4-Hydroxybutyrate) (P4HB). Macromol Biosci 2024; 24:e2400036. [PMID: 38621113 DOI: 10.1002/mabi.202400036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/01/2024] [Indexed: 04/17/2024]
Abstract
Dental implant surgery is a procedure that replaces damaged or missing teeth with an artificial implant. During this procedure, guided bone regeneration (GBR) membranes are commonly used to inhibit the migration of epithelium and GBR at the surgical sites. Due to its biodegradability, good biocompatibility, and unique biological properties, gelatin (GT) is considered a suitable candidate for guiding periodontal tissue regeneration. However, GT-based membranes come with limitations, such as poor mechanical strength and mismatched degradation rates. To confront this challenge, a series of GT/poly(4-hydroxybutyrate) (P4HB) composite membranes are fabricated through electrospinning technology. The morphology, composition, wetting properties, mechanical properties, biocompatibility, and in vivo biodegradability of the as-prepared composite membranes are carefully characterized. The results demonstrate that all the membranes present excellent biocompatibility. Moreover, the in vivo degradation rate of the membranes can be manipulated by changing the ratio of GT and P4HB. The results indicate that the optimized GT/P4HB membranes with a high P4HB content (75%) may be suitable for periodontal tissue engineering because of their good mechanical properties and biodegradation rate compatible with tissue growth.
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Affiliation(s)
- Shuaishuai Yuan
- Key Lab of Biobased Polymer Materials of Shandong Provincial Education Department, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Qi Chen
- Key Lab of Biobased Polymer Materials of Shandong Provincial Education Department, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Manman Guo
- Key Lab of Biobased Polymer Materials of Shandong Provincial Education Department, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yongzhi Xu
- Department of Stomatology, Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266003, China
| | - Wanchun Wang
- Department of Stomatology, Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266003, China
| | - Zhibo Li
- Key Lab of Biobased Polymer Materials of Shandong Provincial Education Department, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
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5
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Mehdi-Sefiani H, Chicardi E, Romero A, Perez-Puyana VM. Unveiling the Impact of Gelation Temperature on the Rheological and Microstructural Properties of Type A Gelatin Hydrogels. Polymers (Basel) 2024; 16:1842. [PMID: 39000695 PMCID: PMC11243819 DOI: 10.3390/polym16131842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 07/17/2024] Open
Abstract
Gelatin-based hydrogels have garnered significant attention in the fields of drug delivery systems and tissue engineering owing to their biodegradability, biocompatibility, elasticity, flexibility and nontoxic nature. However, there is a lack of information regarding type-A-gelatin-based hydrogels. In this sense, the main aim of this work was the evaluation of the properties of type-A-gelatin-based hydrogel achieved using two different gelation temperatures (4 °C and 20 °C). Thus, the main novelty of this study lies in the analysis of the impact of gelation time on the rheological and microstructural properties of type-A-gelatin-based hydrogels. Moreover, the addition of a drug was also analyzed in order to evaluate the hydrogels' behavior as a drug delivery system. For this purpose, rheological (strain, frequency sweep tests and flow curves) and microstructural (SEM) characterizations were carried out. The results demonstrated that lowering the gelation temperature improved the rheological properties of the systems, obtaining hydrogels with an elastic modulus of 20 kPa when processing at 4 °C. On the other hand, the increase in the gelation temperature improved the critical strain of the systems at low temperatures. In conclusion, this work showed the feasibility of producing hydrogels with potential application in drug delivery with different properties, varying the testing temperature and incorporating tetracycline into their formulation.
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Affiliation(s)
- Hanaa Mehdi-Sefiani
- Department of Engineering and Materials Science and Transportation, University of Seville, 41092 Seville, Spain;
- Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain;
| | - E. Chicardi
- Department of Engineering and Materials Science and Transportation, University of Seville, 41092 Seville, Spain;
| | - A. Romero
- Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain;
| | - Victor M. Perez-Puyana
- Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain;
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6
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Basak T, Shamshina JL. Design of Chitin Cell Culture Matrices for 3D Tissue Engineering: The Importance of Chitin Types, Solvents, Cross-Linkers, and Fabrication Techniques. Pharmaceutics 2024; 16:777. [PMID: 38931897 PMCID: PMC11206837 DOI: 10.3390/pharmaceutics16060777] [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: 05/10/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
This review focuses on factors and the fabrication techniques affecting the microarchitecture of tissue engineering scaffolds from the second most abundant biopolymer, chitin. It emphasizes the unique potentiality of this polymer in tissue engineering (TE) applications and highlights the variables important to achieve tailored scaffold properties. First, we describe aspects of scaffolds' design, and the complex interplay between chitin types, solvent systems, additives, and fabrication techniques to incorporate porosity, with regard to best practices. In the following section, we provide examples of scaffolds' use, with a focus on in vitro cell studies. Finally, an analysis of their biodegradability is presented. Our review emphasizes the potentiality of chitin and the pressing need for further research to overcome existing challenges and fully harness its capabilities in tissue engineering.
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Affiliation(s)
| | - Julia L. Shamshina
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA;
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7
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Balanč B, Salević-Jelić A, Đorđević V, Bugarski B, Nedović V, Petrović P, Knežević-Jugović Z. The Application of Protein Concentrate Obtained from Green Leaf Biomass in Structuring Nanofibers for Delivery of Vitamin B12. Foods 2024; 13:1576. [PMID: 38790876 PMCID: PMC11121456 DOI: 10.3390/foods13101576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Nanofibers made of natural proteins have caught the increasing attention of food scientists because of their edibility, renewability, and possibility for various applications. The objective of this study was to prepare nanofibers based on pumpkin leaf protein concentrate (LPC) as a by-product from some crops and gelatin as carriers for vitamin B12 using the electrospinning technique. The starting mixtures were analyzed in terms of viscosity, density, surface tension, and electrical conductivity. Scanning electron micrographs of the obtained nanofibers showed a slight increase in fiber average diameter with the addition of LPC and vitamin B12 (~81 nm to 109 nm). Fourier transform infrared spectroscopy verified the physical blending of gelatin and LPC without phase separation. Thermal analysis showed the fibers had good thermal stability up to 220 °C, highlighting their potential for food applications, regardless of the thermal processing. Additionally, the newly developed fibers have good storage stability, as detected by low water activity values ranging from 0.336 to 0.376. Finally, the release study illustrates the promising sustained release of vitamin B12 from gelatin-LPC nanofibers, mainly governed by the Fickian diffusion mechanism. The obtained results implied the potential of these nanofibers in the development of functional food products with improved nutritional profiles.
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Affiliation(s)
- Bojana Balanč
- Innovation Centre of Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia; (B.B.); (P.P.)
| | - Ana Salević-Jelić
- Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Beograd, Serbia; (A.S.-J.); (V.N.)
| | - Verica Đorđević
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia; (B.B.); (Z.K.-J.)
| | - Branko Bugarski
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia; (B.B.); (Z.K.-J.)
| | - Viktor Nedović
- Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Beograd, Serbia; (A.S.-J.); (V.N.)
| | - Predrag Petrović
- Innovation Centre of Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia; (B.B.); (P.P.)
| | - Zorica Knežević-Jugović
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia; (B.B.); (Z.K.-J.)
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8
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Erge A, Güler BZ, Eren Ö. Optimization and characterization of biodegradable films from chicken gelatin crosslinked with oxidized phenolic compounds. Food Chem 2024; 438:137923. [PMID: 37980872 DOI: 10.1016/j.foodchem.2023.137923] [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: 07/27/2023] [Revised: 10/20/2023] [Accepted: 10/31/2023] [Indexed: 11/21/2023]
Abstract
Chicken gelatin derived from poultry by-product was combined with caffeic acid (CA), rutin (RUT) and glycerol (GLY) to obtain biodegradable films. Optimum cross-linking conditions were investigated using Response Surface Methodology (RSM). The results showed that cross-linking led to lower L* value and higher b*, and the higher opacity values in the films. Water solubility (WS) decreased up to 50% after the incorporation of 1.25% CA compared to the commercial gelatin (cattle and pig based) films. Crosslinking improved the thermal stability and the tensile strength (TS) of films. Optimized cross-linking combination was determined as 0.96-1.56% CA, 0-1.25% RUT, and 29.5-30.5% GLY. Overall, this study demonstrated that crosslinking by CA and RUT can be used to improve the physical and barrier properties of gelatin films having excellent potential for the development of biodegradable films for packaging uses. These films may also result in an improvement and added value in poultry by-products.
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Affiliation(s)
- Aydın Erge
- Bolu Abant İzzet Baysal University, Faculty of Agriculture, Poultry Science Department, Gölköy Campus, Bolu, Turkey.
| | - Büşra Zeynep Güler
- Bolu Abant İzzet Baysal University, Faculty of Agriculture, Poultry Science Department, Gölköy Campus, Bolu, Turkey.
| | - Ömer Eren
- Bolu Abant İzzet Baysal University, Faculty of Engineering, Food Engineering Department, Gölköy Campus, Bolu, Turkey.
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9
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Wang H, Lin X, Zhu J, Yang Y, Qiao S, Jiao B, Ma L, Zhang Y. Encapsulation of lutein in gelatin type A/B-chitosan systems via tunable chains and bonds from tweens: Thermal stability, rheologic property and food 2D/3D printability. Food Res Int 2023; 173:113392. [PMID: 37803730 DOI: 10.1016/j.foodres.2023.113392] [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: 05/03/2023] [Revised: 07/28/2023] [Accepted: 08/18/2023] [Indexed: 10/08/2023]
Abstract
Lutein could be stabilized in gelatin type A/B-chitosan systems by different polyoxyethylene sorbitan fatty acid esters (tweens) via tunable chains and bonds, and the homogeneous system held potential in food 2D/3D printing. During encapsulation of lutein in gelatin-chitosan matrix complexes, tween 40, tween 60 and tween 80 assisted in the excellent centrifugation stability, freeze-thaw stability, chemical stability as well as thermal stability. The tweens contained systems also possessed excellent rheological properties, including shearing thinning property, self-supporting characteristics, and favorable thixotropy. Especially, tween 80 performed well in facilitating the stability and rheological properties of systems with uniform micromorphology due to its long alkyl chains and carbon-carbon double bonds (two sp2 hybridized C-atoms) (from FTIR, XRD, SEM, etc.); and gelatin type B illustrated higher protection effects on lutein because of its strong electrostatic interaction with chitosan. The optimal systems could work as edible ink for 2D/3D printing on food with great UV-irradiation stability and high definition. Surimi could be modified by the optimal complex and possessed excellent shear-thinning property, proper yield stress, low dependence on frequency and stable structure, which was successfully applied for innovative 3D printing with sophisticated shapes. The practical food 2D/3D printing (like bread and surimi) demonstrated high potential in food creation and food innovation.
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Affiliation(s)
- Hongxia Wang
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China; Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing 400715, PR China; Key Laboratory of Quality and Safety Control of Citrus Fruits, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing, 400712, P.R China; Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing 400715, PR China
| | - Xianyou Lin
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Juncheng Zhu
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Yuxin Yang
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Shihao Qiao
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Bo Jiao
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, P.O. Box 5109, Beijing 100193, China
| | - Liang Ma
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China; Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing 400715, PR China; Key Laboratory of Quality and Safety Control of Citrus Fruits, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing, 400712, P.R China; Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing 400715, PR China
| | - Yuhao Zhang
- State Key Laboratory of Silkworm Genome Biology, College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China; Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing 400715, PR China; Key Laboratory of Quality and Safety Control of Citrus Fruits, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing, 400712, P.R China; Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing 400715, PR China.
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10
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Pepe A, Laezza A, Ostuni A, Scelsi A, Laurita A, Bochicchio B. Bioconjugation of Carbohydrates to Gelatin Sponges Promoting 3D Cell Cultures. Biomimetics (Basel) 2023; 8:biomimetics8020193. [PMID: 37218779 DOI: 10.3390/biomimetics8020193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 05/24/2023] Open
Abstract
Gelatin sponges are widely employed as hemostatic agents, and are gaining increasing interest as 3D scaffolds for tissue engineering. To broaden their possible application in the field of tissue engineering, a straightforward synthetic protocol able to anchor the disaccharides, maltose and lactose, for specific cell interactions was developed. A high conjugation yield was confirmed by 1H-NMR and FT-IR spectroscopy, and the morphology of the resulting decorated sponges was characterized by SEM. After the crosslinking reaction, the sponges preserve their porous structure as ascertained by SEM. Finally, HepG2 cells cultured on the decorated gelatin sponges show high viability and significant differences in the cellular morphology as a function of the conjugated disaccharide. More spherical morphologies are observed when cultured on maltose-conjugated gelatin sponges, while a more flattened aspect is discerned when cultured onto lactose-conjugated gelatin sponges. Considering the increasing interest in small-sized carbohydrates as signaling cues on biomaterial surfaces, systematic studies on how small carbohydrates might influence cell adhesion and differentiation processes could take advantage of the described protocol.
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Affiliation(s)
- Antonietta Pepe
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Antonio Laezza
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Angela Ostuni
- Cellular Biochemistry Laboratory, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Alessandra Scelsi
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Alessandro Laurita
- Microscopy Area, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
| | - Brigida Bochicchio
- Laboratory of Protein-Inspired Biomaterials, Department of Science, University of Basilicata, Via Ateneo Lucano, 10, 85100 Potenza, Italy
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11
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El-Seedi HR, Said NS, Yosri N, Hawash HB, El-Sherif DM, Abouzid M, Abdel-Daim MM, Yaseen M, Omar H, Shou Q, Attia NF, Zou X, Guo Z, Khalifa SA. Gelatin nanofibers: Recent insights in synthesis, bio-medical applications and limitations. Heliyon 2023; 9:e16228. [PMID: 37234631 PMCID: PMC10205520 DOI: 10.1016/j.heliyon.2023.e16228] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
The use of gelatin and gelatin-blend polymers as environmentally safe polymers to synthesis electrospun nanofibers, has caused a revolution in the biomedical field. The development of efficient nanofibers has played a significant role in drug delivery, and for use in advanced scaffolds in regenerative medicine. Gelatin is an exceptional biopolymer, which is highly versatile, despite variations in the processing technology. The electrospinning process is an efficient technique for the manufacture of gelatin electrospun nanofibers (GNFs), as it is simple, efficient, and cost-effective. GNFs have higher porosity with large surface area and biocompatibility, despite that there are some drawbacks. These drawbacks include rapid degradation, poor mechanical strength, and complete dissolution, which limits the use of gelatin electrospun nanofibers in this form for biomedicine. Thus, these fibers need to be cross-linked, in order to control its solubility. This modification caused an improvement in the biological properties of GNFs, which made them suitable candidates for various biomedical applications, such as wound healing, drug delivery, bone regeneration, tubular scaffolding, skin, nerve, kidney, and cardiac tissue engineering. In this review an outline of electrospinning is shown with critical summary of literature evaluated with respect to the various applications of nanofibers-derived gelatin.
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Affiliation(s)
- Hesham R. El-Seedi
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, China
- International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu Education Department, Zhenjiang 212013, China
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Kom 32512, Egypt
| | - Noha S. Said
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Kom 32512, Egypt
| | - Nermeen Yosri
- Chemistry Department of Medicinal and Aromatic Plants, Research Institute of Medicinal and Aromatic Plants (RIMAP), Beni-Suef University, Beni-Suef 62514, Egypt
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hamada B. Hawash
- Environmental Division, National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Dina M. El-Sherif
- National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Mohamed Abouzid
- Department of Physical Pharmacy and Pharmacokinetics, Faculty of Pharmacy, Poznan University of Medical Sciences, Poznan, Poland
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231 Jeddah 21442, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mohammed Yaseen
- School of Computing, Engineering & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK
| | - Hany Omar
- Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Qiyang Shou
- Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Nour F. Attia
- Gas Analysis and Fire Safety Laboratory, Chemistry Division, National Institute of Standards, 136, Giza 12211, Egypt
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhiming Guo
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Shaden A.M. Khalifa
- Psychiatry and Psychology Department, Capio Saint Göran's Hospital, Sankt Göransplan 1, 112 19 Stockholm, Sweden
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12
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Amirrah IN, Zulkiflee I, Mohd Razip Wee MF, Masood A, Siow KS, Motta A, Fauzi MB. Plasma-Polymerised Antibacterial Coating of Ovine Tendon Collagen Type I (OTC) Crosslinked with Genipin (GNP) and Dehydrothermal-Crosslinked (DHT) as a Cutaneous Substitute for Wound Healing. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2739. [PMID: 37049037 PMCID: PMC10096142 DOI: 10.3390/ma16072739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
Tissue engineering products have grown in popularity as a therapeutic approach for chronic wounds and burns. However, some drawbacks include additional steps and a lack of antibacterial capacities, both of which need to be addressed to treat wounds effectively. This study aimed to develop an acellular, ready-to-use ovine tendon collagen type I (OTC-I) bioscaffold with an antibacterial coating for the immediate treatment of skin wounds and to prevent infection post-implantation. Two types of crosslinkers, 0.1% genipin (GNP) and dehydrothermal treatment (DHT), were explored to optimise the material strength and biodegradability compared with a non-crosslinked (OTC) control. Carvone plasma polymerisation (ppCar) was conducted to deposit an antibacterial protective coating. Various parameters were performed to investigate the physicochemical properties, mechanical properties, microstructures, biodegradability, thermal stability, surface wettability, antibacterial activity and biocompatibility of the scaffolds on human skin cells between the different crosslinkers, with and without plasma polymerisation. GNP is a better crosslinker than DHT because it demonstrated better physicochemical properties (27.33 ± 5.69% vs. 43 ± 7.64% shrinkage), mechanical properties (0.15 ± 0.15 MPa vs. 0.07 ± 0.08 MPa), swelling (2453 ± 419.2% vs. 1535 ± 392.9%), biodegradation (0.06 ± 0.06 mg/h vs. 0.15 ± 0.16 mg/h), microstructure and biocompatibility. Similarly, its ppCar counterpart, GNPppCar, presents promising results as a biomaterial with enhanced antibacterial properties. Plasma-polymerised carvone on a crosslinked collagen scaffold could also support human skin cell proliferation and viability while preventing infection. Thus, GNPppCar has potential for the rapid treatment of healing wounds.
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Affiliation(s)
- Ibrahim N. Amirrah
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
| | - Izzat Zulkiflee
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
| | - M. F. Mohd Razip Wee
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Asad Masood
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Kim S. Siow
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Antonella Motta
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38122 Trento, Italy
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
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13
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Chikelu CW, Berns M, Conover D, Habas R, Han L, Street RM, Schauer CL. Collagen Nanoyarns: Hierarchical Three-Dimensional Biomaterial Constructs. Biomacromolecules 2023; 24:1155-1163. [PMID: 36753437 DOI: 10.1021/acs.biomac.2c01204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Hierarchical fibrous scaffolds (HFS) consist of nanoscale fibers arranged in larger macroscale structures, much in the same pattern as in native tissue such as tendon and bone. Creation of continuous macroscale nanofiber yarns has been made possible using modified electrospinning set-ups that combine electrospinning with techniques such as twisting, drawing, and winding. In this paper, a modified electrospinning setup was used to create continuous yarns of twisted type I collagen nanofibers, also known as collagen nanoyarns (CNY), from collagen solution prepared in acetic acid. Fabricated CNYs were cross-linked and characterized using SEM imaging and mechanical testing, while denaturation of collagen and dissolution of the scaffolds were assessed using circular dichroism (CD) and UV-vis spectroscopy, respectively. HeLa cells were then cultured on the nanoyarns for 24 h to assess cell adhesion on the scaffolds. Scanning electron micrographs revealed a twisted nanofiber morphology with an average nanofiber diameter of 213 ± 60 nm and a yarn diameter of 372 ± 23 μm that shrank by 35% after covalent cross-linking. Structural denaturation assessment of native collagen using circular dichroism (CD) spectroscopy showed that 60% of the triple-helical collagen content in CNYs was retained. Cross-linking of CNYs significantly improved their mechanical properties as well as stability in buffered saline with no sign of degradation for 14 days. In addition, CNY strength and stiffness increased significantly with cross-linking although in the wet state, significant loss in these properties, with a corresponding increase in elasticity, was observed. HeLa cells cultured on cross-linked CNYs for 24 h adhered to the yarn surface and oriented along the nanofiber alignment axis, displaying the characteristic spindle-like morphology of cells grown on surfaces with aligned topography. Collectively, the results demonstrate the promising potential of collagen nanoyarns as a new class of shapable biomaterial scaffold and building block for generating macroscale fiber-based tissues.
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Affiliation(s)
- Chukwuemeka W Chikelu
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Mark Berns
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Dolores Conover
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Raymond Habas
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Reva M Street
- Department of Materials Science and Engineering, College of Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Caroline L Schauer
- Department of Materials Science and Engineering, College of Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
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14
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Encapsulation of lycopene into electrospun nanofibers from whey protein isolate-Tricholoma lobayense polysaccharide complex stabilized emulsions: Structural characterization, storage stability, in vitro release, and cellular evaluation. Int J Biol Macromol 2023; 238:123993. [PMID: 36907295 DOI: 10.1016/j.ijbiomac.2023.123993] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/20/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023]
Abstract
In this study, lycopene-loaded nanofibers were successfully fabricated by electrospinning of oil-in-water (O/W) emulsions stabilized by whey protein isolate-polysaccharide TLH-3 (WPI-TLH-3) complexes. The lycopene encapsulated in the emulsion-based nanofibers exhibited enhanced photostability and thermostability, and achieved improved targeted small intestine-specific release. The release of lycopene from the nanofibers followed Fickian diffusion mechanism in simulated gastric fluid (SGF) and first-order model in simulated intestinal fluid (SIF) with the enhanced release rates. The bioaccessibility and cellular uptake efficiency of lycopene in micelles by Caco-2 cells after in vitro digestion were significantly improved. The intestinal membrane permeability and transmembrane transport efficiency of lycopene in micelles across Caco-2 cells monolayer were greatly elevated, thus promoting the effective absorption and intracellular antioxidant activity of lycopene. This work opens a potential approach for electrospinning of emulsions stabilized by protein-polysaccharide complexes as a novel delivery system for liposoluble nutrients with enhanced bioavailability in functional food industries.
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15
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Dede S, Sadak O, Didin M, Gunasekaran S. Antimicrobial food packaging application of angelica root (Angelica sylvestris) oil-loaded electrospun biofibers. Food Packag Shelf Life 2023. [DOI: 10.1016/j.fpsl.2023.101035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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16
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Yousefi-Mashouf H, Bailly L, Orgéas L, Henrich Bernardoni N. Mechanics of gelatin-based hydrogels during finite strain tension, compression and shear. Front Bioeng Biotechnol 2023; 10:1094197. [PMID: 36714620 PMCID: PMC9877534 DOI: 10.3389/fbioe.2022.1094197] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/26/2022] [Indexed: 01/13/2023] Open
Abstract
Introduction: Among the biopolymers used to make hydrogels, gelatin is very attractive due to its biocompatibility, biodegradability and versatile physico-chemical properties. A proper and complete characterization of the mechanical behavior of these hydrogels is critical to evaluate the relevance of one formulation over another for a targeted application, and to optimise their processing route accordingly. Methods: In this work, we manufactured neat gelatin and gelatin covalently cross-linked with glutaraldehyde at various concentrations, yielding to hydrogels with tunable mechanical properties that we characterized under finite strain, cyclic tension, compression and shear loadings. Results and Discussion: The role of both the chemical formulation and the kinematical path on the mechanical performances of the gels is highlighted. As an opening towards biomedical applications, the properties of the gels are confronted to those of native soft tissues particularly complicated to restore, the human vocal folds. A specific cross-linked hydrogel is selected to mimic vocal-fold fibrous tissues.
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Affiliation(s)
- Hamid Yousefi-Mashouf
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France,University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, GIPSA-lab, Grenoble, France
| | - Lucie Bailly
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France,*Correspondence: Lucie Bailly,
| | - Laurent Orgéas
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France
| | - Nathalie Henrich Bernardoni
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, GIPSA-lab, Grenoble, France
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17
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de Oliveira Molon B, de Oliveira Molon B, Gonçalves JO, Ribeiro ES, Diaz PS. Preparation and characterization of hydrogel from deacetylated xanthan gum produced by
Xanthomonas arboricola
pv pruni 106. J Appl Polym Sci 2022. [DOI: 10.1002/app.53526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | - Bianca de Oliveira Molon
- Departament of Food Science and Technology, Eliseu Maciel Faculty of Agronomy Federal University of Pelotas Brazil
| | | | | | - Patrícia Silva Diaz
- Biotechnology Unit, Technology Development Center Federal University of Pelotas Brazil
- Departament of Food Science and Technology, Eliseu Maciel Faculty of Agronomy Federal University of Pelotas Brazil
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18
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Lan X, Luo T, Zhong Z, Huang D, Liang C, Liu Y, Wang H, Tang Y. Green cross-linking of gelatin/tea polyphenol/ε-poly (L-lysine) electrospun nanofibrous membrane for edible and bioactive food packaging. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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19
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Dsouza A, Constantinidou C, Arvanitis TN, Haddleton DM, Charmet J, Hand RA. Multifunctional Composite Hydrogels for Bacterial Capture, Growth/Elimination, and Sensing Applications. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47323-47344. [PMID: 36222596 PMCID: PMC9614723 DOI: 10.1021/acsami.2c08582] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Hydrogels are cross-linked networks of hydrophilic polymer chains with a three-dimensional structure. Owing to their unique features, the application of hydrogels for bacterial/antibacterial studies and bacterial infection management has grown in importance in recent years. This trend is likely to continue due to the rise in bacterial infections and antimicrobial resistance. By exploiting their physicochemical characteristics and inherent nature, hydrogels have been developed to achieve bacterial capture and detection, bacterial growth or elimination, antibiotic delivery, or bacterial sensing. Traditionally, the development of hydrogels for bacterial/antibacterial studies has focused on achieving a single function such as antibiotic delivery, antibacterial activity, bacterial growth, or bacterial detection. However, recent studies demonstrate the fabrication of multifunctional hydrogels, where a single hydrogel is capable of performing more than one bacterial/antibacterial function, or composite hydrogels consisting of a number of single functionalized hydrogels, which exhibit bacterial/antibacterial function synergistically. In this review, we first highlight the hydrogel features critical for bacterial studies and infection management. Then, we specifically address unique hydrogel properties, their surface/network functionalization, and their mode of action for bacterial capture, adhesion/growth, antibacterial activity, and bacterial sensing, respectively. Finally, we provide insights into different strategies for developing multifunctional hydrogels and how such systems can help tackle, manage, and understand bacterial infections and antimicrobial resistance. We also note that the strategies highlighted in this review can be adapted to other cell types and are therefore likely to find applications beyond the field of microbiology.
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Affiliation(s)
- Andrea Dsouza
- Warwick
Manufacturing Group, The University of Warwick, Coventry, United Kingdom CV4 7AL
| | | | - Theodoros N. Arvanitis
- Institute
of Digital Healthcare, Warwick Manufacturing Group, The University of Warwick, Coventry, United Kingdom CV4 7AL
| | - David M. Haddleton
- Department
of Chemistry, The University of Warwick, Coventry, United Kingdom CV4 7AL
| | - Jérôme Charmet
- Warwick
Manufacturing Group, The University of Warwick, Coventry, United Kingdom CV4 7AL
- Warwick
Medical School, The University of Warwick, Coventry, United Kingdom CV4 7AL
- School
of Engineering—HE-Arc Ingénierie, HES-SO University of Applied Sciences Western Switzerland, 2000 Neuchâtel, Switzerland
| | - Rachel A. Hand
- Department
of Chemistry, The University of Warwick, Coventry, United Kingdom CV4 7AL
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20
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Javidi H, Ramazani Saadatabadi A, Sadrnezhaad SK, Najmoddin N. Preparation and characterization of self-stimuli conductive nerve regeneration conduit using co-electrospun nanofibers filled with gelatin-chitosan hydrogels containing polyaniline-graphene-ZnO nanoparticles. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2133116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Hamideh Javidi
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | | | - Najmeh Najmoddin
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
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21
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Furlani F, Campodoni E, Sangiorgi N, Montesi M, Sanson A, Sandri M, Panseri S. Electroconductive scaffolds based on gelatin and PEDOT:PSS for cardiac regeneration. Int J Biol Macromol 2022; 224:266-280. [DOI: 10.1016/j.ijbiomac.2022.10.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 11/05/2022]
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22
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Liu HW, Su WT, Liu CY, Huang CC. Highly Organized Porous Gelatin-Based Scaffold by Microfluidic 3D-Foaming Technology and Dynamic Culture for Cartilage Tissue Engineering. Int J Mol Sci 2022; 23:ijms23158449. [PMID: 35955581 PMCID: PMC9369316 DOI: 10.3390/ijms23158449] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 12/10/2022] Open
Abstract
A gelatin-based hydrogel scaffold with highly uniform pore size and biocompatibility was fabricated for cartilage tissue engineering using microfluidic 3D-foaming technology. Mainly, bubbles with different diameters, such as 100 μm and 160 μm, were produced by introducing an optimized nitrogen gas and gelatin solution at an optimized flow rate, and N2/gelatin bubbles were formed. Furthermore, a cross-linking agent (1-ethyl-3-(3-dimethyl aminopropyl)-carbodiimide, EDC) was employed for the cross-linking reaction of the gelatin-based hydrogel scaffold with uniform bubbles, and then the interface between the close cells were broken by degassing. The pore uniformity of the gelatin-based hydrogel scaffolds was confirmed by use of a bright field microscope, conjugate focus microscope and scanning electron microscope. The in vitro degradation rate, mechanical properties, and swelling rate of gelatin-based hydrogel scaffolds with highly uniform pore size were studied. Rabbit knee cartilage was cultured, and its extracellular matrix content was analyzed. Histological analysis and immunofluorescence staining were employed to confirm the activity of the rabbit knee chondrocytes. The chondrocytes were seeded into the resulting 3D porous gelatin-based hydrogel scaffolds. The growth conditions of the chondrocyte culture on the resulting 3D porous gelatin-based hydrogel scaffolds were evaluated by MTT analysis, live/dead cell activity analysis, and extracellular matrix content analysis. Additionally, a dynamic culture of cartilage tissue was performed, and the expression of cartilage-specific proteins within the culture time was studied by immunofluorescence staining analysis. The gelatin-based hydrogel scaffold encouraged chondrocyte proliferation, promoting the expression of collagen type II, aggrecan, and sox9 while retaining the structural stability and durability of the cartilage after dynamic compression and promoting cartilage repair.
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Affiliation(s)
- Hsia-Wei Liu
- Department of Life Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (H.-W.L.); (C.-Y.L.)
- Graduate Institute of Applied Science and Engineering, Fu Jen Catholic University, New Taipei City 242062, Taiwan
| | - Wen-Ta Su
- Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Ching-Yi Liu
- Department of Life Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan; (H.-W.L.); (C.-Y.L.)
| | - Ching-Cheng Huang
- Department of Biomedical Engineering, Ming-Chuan University, Taoyuan 333321, Taiwan
- PARSD Biomedical Material Research Center, Taichung 407428, Taiwan
- Correspondence:
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23
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Liu M, Shafiq M, Sun B, Wu J, Wang W, El-Newehy M, El-Hamshary H, Morsi Y, Ali O, Khan AUR, Mo X. Composite Superelastic Aerogel Scaffolds Containing Flexible SiO 2 Nanofibers Promote Bone Regeneration. Adv Healthc Mater 2022; 11:e2200499. [PMID: 35670086 DOI: 10.1002/adhm.202200499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/25/2022] [Indexed: 11/08/2022]
Abstract
Repairing irregular-shaped bone defects poses enormous challenges. Scaffolds that can fully fit the defect site and simultaneously induce osteogenesis and angiogenesis hold great promise for bone defect healing. This study aimed to produce superelastic organic/inorganic composite aerogel scaffolds by blending silica nanofibers (SiO2 ) and poly (lactic acid)/gelatin (PLA/gel) nanofibers; the content of SiO2 nanofibers were varied from 0-60 wt% (e.g., PLA/gel, PLA/gel/SiO2 -L, PLA/gel/SiO2 -M, and PLA/gel/SiO2 -H for 0%, 20%, 40%, and 60% of SiO2 nanofibers, respectively) to produce a range of scaffolds. The PLA/gel/SiO2 -M scaffold had excellent elasticity and good mechanical properties. In vitro experiments demonstrated that the silicon ions released from PLA/gel/SiO2 -M scaffolds could promote the differentiation of rat bone marrow-derived mesenchymal stem cells (rBMSCs) into osteoblasts, thereby enhancing alkaline phosphatase activity and bone-related genes expressions. Meanwhile, the released silicon ions also promoted the proliferation of human umbilical vein endothelial cells (HUVECs) and the expression of vascular endothelial growth factors, thereby promoting angiogenesis. The assessment of these scaffolds in a calvarial defect model in rats showed good potential of PLA/gel/SiO2 -M to induce bone regeneration as well as promote osteogenesis and angiogenesis. Overall, these superelastic scaffolds containing flexible SiO2 nanofibers can simultaneously induce osteogenesis and angiogenesis, which may have broad applications for tissue engineering applications. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Mingyue Liu
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Muhammad Shafiq
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Binbin Sun
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Jinglei Wu
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Wei Wang
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
| | - Mohamed El-Newehy
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Hany El-Hamshary
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Yosry Morsi
- Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Boroondara, VIC, 3122, Australia
| | - Onaza Ali
- School of Chemistry and Chemical Engineering, Tiangong University, Tianjin, 300387, China
| | - Atta Ur Rehman Khan
- Department of Biotechnology, The University of Azad Jammu & Kashmir, Muzaffarabad, Pakistan
| | - Xiumei Mo
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, P. R. China
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Sulaiman SB, Abdul Rani RB, Mohamad Yahaya NHB, Tabata Y, Hiraoka Y, Seet WT, Ng MH. Physical and natural cross-linking approaches on 3D gelatin microspheres for cartilage regeneration. Tissue Eng Part C Methods 2022; 28:557-569. [PMID: 35615885 DOI: 10.1089/ten.tec.2022.0073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The use of gelatin microspheres (GM) as a cell carrier has been extensively researched. One of its limitation is that it dissolves rapidly in aqueous settings, precluding its use for long-term cell propagation. This circumstance necessitates the use of cross-linking agents to circumvent the constraint. Thus, the current study examines two different methods of cross-linking and their effect on the microsphere's '"physicochemical and cartilage tissue regeneration capacity. Crosslinking was accomplished by physical [Dehydrothermal (DHT)] and natural (Genipin) cross-linking of the 3D gelatin microspheres (GM). We begin by comparing the microstructures of the scaffolds and their long-term resistance to degradation under physiological conditions (in isotonic solution, at 37 °C, pH = 7.4). Infrared spectroscopy indicated that the gelatin structure was preserved after the cross-linking treatments. The cross-linked GM" 'demonstrated good cell adhesion, viability, proliferation, and widespread 3D scaffold colonization when seeded with human bone marrow mesenchymal stem cells (BMSCs). Additionally, the cross-linked microspheres enhanced chondrogenesis, as demonstrated by the data. It was discovered that cross-linked GM increased the expression of cartilage-related genes and the biosynthesis of a glycosaminoglycan-positive matrix as compared to non-crosslinked GM. In comparison, DHT-crosslinked results were significantly enhanced. To summarize, DHT treatment was found to be a superior approach for cross-linking the GM in order to promote better cartilage tissue regeneration.
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Affiliation(s)
- Shamsul Bin Sulaiman
- Universiti Kebangsaan Malaysia, 61775, Centre for Tissue Engineering and Regenerative Medicine (CTERM), Bangi, Selangor, Malaysia;
| | - Rizal Bin Abdul Rani
- Universiti Kebangsaan Malaysia, 61775, Orthopedic & Traumatology, Bangi, Selangor, Malaysia;
| | | | - Yasuhiko Tabata
- Institute for Frontier Medical Sciences, Dept of Biomaterials, 53 Shogoinkawara-cho, Sakyo-ku, Kyoto, Kyoto, Japan, 6068507;
| | | | - Wan Tai Seet
- UKM, 61775, Centre for Tissue Engineering and Regenerative Medicine, 12th Floor, Clinical Block, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia, 56000;
| | - Min Hwei Ng
- Universiti Kebangsaan Malaysia, 61775, Tissue Engineering Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Federal Territory, Malaysia, 56000.,Universiti Kebangsaan Malaysia Medical Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, 12th Floor, Clinical Block, Jalan Yaacob Latif, Malaysia;
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Menezes FC, Siqueira NM, Fung S, Scheibel JM, Moura DJ, Guvendiren M, Kohn J, Soares RMD. Effect of crosslinking, hydroxyapatite addition, and fiber alignment to stimulate human mesenchymal stem cells osteoinduction in polycaprolactone‐based electrospun scaffolds. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Felipe Castro Menezes
- Polymeric Biomaterials Laboratory (Poli‐BIO), Institute of Chemistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Nataly Machado Siqueira
- Polymeric Biomaterials Laboratory (Poli‐BIO), Institute of Chemistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Stephanie Fung
- New Jersey Center for Biomaterials Rutgers University Piscataway New Jersey USA
| | - Jóice Maria Scheibel
- Polymeric Biomaterials Laboratory (Poli‐BIO), Institute of Chemistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Dinara Jaqueline Moura
- Laboratory of Genetic Toxicology Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA) Porto Alegre Brazil
| | - Murat Guvendiren
- New Jersey Center for Biomaterials Rutgers University Piscataway New Jersey USA
| | - Joachim Kohn
- New Jersey Center for Biomaterials Rutgers University Piscataway New Jersey USA
| | - Rosane Michele Duarte Soares
- Polymeric Biomaterials Laboratory (Poli‐BIO), Institute of Chemistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
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Alavarse AC, Frachini ECG, da Silva RLCG, Lima VH, Shavandi A, Petri DFS. Crosslinkers for polysaccharides and proteins: Synthesis conditions, mechanisms, and crosslinking efficiency, a review. Int J Biol Macromol 2022; 202:558-596. [PMID: 35038469 DOI: 10.1016/j.ijbiomac.2022.01.029] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/20/2021] [Accepted: 01/06/2022] [Indexed: 01/16/2023]
Abstract
Polysaccharides and proteins are important macromolecules for developing hydrogels devoted to biomedical applications. Chemical hydrogels offer chemical, mechanical, and dimensional stability than physical hydrogels due to the chemical bonds among the chains mediated by crosslinkers. There are many crosslinkers to synthesize polysaccharides and proteins based on hydrogels. In this review, we revisited the crosslinking reaction mechanisms between synthetic or natural crosslinkers and polysaccharides or proteins. The selected synthetic crosslinkers were glutaraldehyde, carbodiimide, boric acid, sodium trimetaphosphate, N,N'-methylene bisacrylamide, and polycarboxylic acid, whereas the selected natural crosslinkers included transglutaminase, tyrosinase, horseradish peroxidase, laccase, sortase A, genipin, vanillin, tannic acid, and phytic acid. No less important are the reactions involving click chemistry and the macromolecular crosslinkers for polysaccharides and proteins. Literature examples of polysaccharides or proteins crosslinked by the different strategies were presented along with the corresponding highlights. The general mechanism involved in chemical crosslinking mediated by gamma and UV radiation was discussed, with particular attention to materials commonly used in digital light processing. The evaluation of crosslinking efficiency by gravimetric measurements, rheology, and spectroscopic techniques was presented. Finally, we presented the challenges and opportunities to create safe chemical hydrogels for biomedical applications.
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Affiliation(s)
- Alex Carvalho Alavarse
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Emilli Caroline Garcia Frachini
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | | | - Vitoria Hashimoto Lima
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Denise Freitas Siqueira Petri
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil.
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Cruz-Salas CN, Prieto C, Calderón-Santoyo M, Lagarón JM, Ramos-Hernández JA, Ragazzo-Sánchez JA. Antimutagenic and Antiproliferative Activity of the Coccoloba uvifera L. Extract Loaded in Nanofibers of Gelatin/Agave Fructans Elaborated by Electrospinning. Anticancer Agents Med Chem 2022; 22:2788-2798. [PMID: 35297353 DOI: 10.2174/1871520622666220316161957] [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: 11/04/2021] [Revised: 12/09/2021] [Accepted: 12/22/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The Coccoloba uvifera L. species is currently considered an important source of compounds of high biological value such as lupeol, this is related to different biological activities of importance to human health. OBJECTIVE The objective of this study was to encapsulate the C. uvifera extract in nanofibers made with the biopolymers gelatin (G)/high-grade polymerization agave fructans (HDPAF) in the proportions 1:0, 1:1, 1:2, 1:3 and 0:1, through the electrospinning process, in addition to evaluating the antimutagenic and antiproliferative properties of the encapsulated extract. METHOD The physicochemical characteristics of the nanofibers were evaluated, as well as the antiproliferative and antimutagenic activities of the encapsulated and unencapsulated extract. SEM evaluation shows nanofibers of smooth, continuous morphology and nanometric size (50-250 nm). The TGA, FTIR-ATR, HPLC-MS analyzes reveal the presence of the extract in the nanofibers. RESULTS The extract did not show a mutagenic effect during the development of the Ames test, on the other hand, the MTT test showed the antiproliferative effect at the concentrations of 50 and 100 µg/mL of extract. CONCLUSION the extract of C. uvifera loaded in nanofibers elaborated by electrospinning with the G/HDPAF biopolymers, conserves its antimutagenic and antiproliferative properties.
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Affiliation(s)
- Carla N Cruz-Salas
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Tepic C.P. 63175, Nayarit, Mexico
| | - Cristina Prieto
- Novel Materials and Nanotechnology Group, IATA-CSIC, Calle Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Spain
| | - Montserrat Calderón-Santoyo
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Tepic C.P. 63175, Nayarit, Mexico
| | - José M Lagarón
- Novel Materials and Nanotechnology Group, IATA-CSIC, Calle Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Spain
| | - Jorge Alberto Ramos-Hernández
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Tepic C.P. 63175, Nayarit, Mexico
| | - Juan Arturo Ragazzo-Sánchez
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Tepic C.P. 63175, Nayarit, Mexico
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Kurian AG, Singh RK, Patel KD, Lee JH, Kim HW. Multifunctional GelMA platforms with nanomaterials for advanced tissue therapeutics. Bioact Mater 2022; 8:267-295. [PMID: 34541401 PMCID: PMC8424393 DOI: 10.1016/j.bioactmat.2021.06.027] [Citation(s) in RCA: 150] [Impact Index Per Article: 75.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Polymeric hydrogels are fascinating platforms as 3D scaffolds for tissue repair and delivery systems of therapeutic molecules and cells. Among others, methacrylated gelatin (GelMA) has become a representative hydrogel formulation, finding various biomedical applications. Recent efforts on GelMA-based hydrogels have been devoted to combining them with bioactive and functional nanomaterials, aiming to provide enhanced physicochemical and biological properties to GelMA. The benefits of this approach are multiple: i) reinforcing mechanical properties, ii) modulating viscoelastic property to allow 3D printability of bio-inks, iii) rendering electrical/magnetic property to produce electro-/magneto-active hydrogels for the repair of specific tissues (e.g., muscle, nerve), iv) providing stimuli-responsiveness to actively deliver therapeutic molecules, and v) endowing therapeutic capacity in tissue repair process (e.g., antioxidant effects). The nanomaterial-combined GelMA systems have shown significantly enhanced and extraordinary behaviors in various tissues (bone, skin, cardiac, and nerve) that are rarely observable with GelMA. Here we systematically review these recent efforts in nanomaterials-combined GelMA hydrogels that are considered as next-generation multifunctional platforms for tissue therapeutics. The approaches used in GelMA can also apply to other existing polymeric hydrogel systems.
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Affiliation(s)
- Amal George Kurian
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Rajendra K. Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Kapil D. Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, WC1X8LD, UK
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan, 31116, Republic of Korea
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Chen W, Gao Z, He M, Dou Y, Yin G, Ding J. Vapor-phase glutaraldehyde crosslinked waste protein-based nanofiber nonwovens as an environmentally friendly wound dressing. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Piola B, Sabbatini M, Gino S, Invernizzi M, Renò F. 3D Bioprinting of Gelatin-Xanthan Gum Composite Hydrogels for Growth of Human Skin Cells. Int J Mol Sci 2022; 23:ijms23010539. [PMID: 35008965 PMCID: PMC8745252 DOI: 10.3390/ijms23010539] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/22/2021] [Accepted: 12/30/2021] [Indexed: 12/20/2022] Open
Abstract
In recent years, bioprinting has attracted much attention as a potential tool for generating complex 3D biological constructs capable of mimicking the native tissue microenvironment and promoting physiologically relevant cell-cell and cell-matrix interactions. The aim of the present study was to develop a crosslinked 3D printable hydrogel based on biocompatible natural polymers, gelatin and xanthan gum at different percentages to be used both as a scaffold for cell growth and as a wound dressing. The CellInk Inkredible 3D printer was used for the 3D printing of hydrogels, and a glutaraldehyde solution was tested for the crosslinking process. We were able to obtain two kinds of printable hydrogels with different porosity, swelling and degradation time. Subsequently, the printed hydrogels were characterized from the point of view of biocompatibility. Our results showed that gelatin/xanthan-gum bioprinted hydrogels were biocompatible materials, as they allowed both human keratinocyte and fibroblast in vitro growth for 14 days. These two bioprintable hydrogels could be also used as a helpful dressing material.
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Affiliation(s)
- Beatrice Piola
- Innovative Research Laboratory for Wound Healing, Health Sciences Department, Medical School, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (B.P.); (S.G.)
| | - Maurizio Sabbatini
- Department of Sciences and Technological Innovation, Università del Piemonte Orientale, Via T. Michel 11, 15121 Alessandria, Italy;
| | - Sarah Gino
- Innovative Research Laboratory for Wound Healing, Health Sciences Department, Medical School, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (B.P.); (S.G.)
| | - Marco Invernizzi
- Health Science Department, Physical Medicine and Rehabilitation Division, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy;
- Department of Integrated Research and Innovation, Translational Medicine Unit (DAIRI), Hospital “S.S. Antonio e Biagio e Cesare Arrigo”, 15121 Alessandria, Italy
| | - Filippo Renò
- Innovative Research Laboratory for Wound Healing, Health Sciences Department, Medical School, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (B.P.); (S.G.)
- Correspondence: ; Tel.: +39-0321660634
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Gelli R, Mugnaini G, Bolognesi T, Bonini M. Cross-linked Porous Gelatin Microparticles with Tunable Shape, Size, and Porosity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12781-12789. [PMID: 34706538 DOI: 10.1021/acs.langmuir.1c01508] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Gelatin particles are relevant to many applications in the biomedical field due to their excellent biocompatibility and versatility. When prepared by double emulsion methods, porous microparticles with different architectures can be obtained. Controlling the shape, size, porosity, swelling, and stability against dissolution is fundamental toward their application under physiological conditions. We prepared porous gelatin microparticles from oil-in-water-in-oil emulsions, modifying the gelatin/surfactant ratio and the stirring speed. The effect on structural properties, including surface and inner porosities, was thoroughly assessed by multiple microscopy techniques (optical, electron, and confocal Raman). Selected samples were cross-linked with glutaraldehyde or glyceraldehyde, and their swelling properties and stability against dissolution were evaluated, while the influence of the cross-linking at the nanoscale was studied by scattering of X-rays. Depending on the preparation protocol, we obtained particles with different shapes (irregular or spherical), radii within ∼40 to 90 μm, and porosities up to 10 μm. The cross-linking extends the stability in water from a few minutes up to several days while the swelling ability and the mesh size at the nanoscale of the gelatin network are preserved. The analysis of the experimental results as a function of the preparation parameters demonstrates that microparticles with tunable features can be designed.
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Affiliation(s)
- Rita Gelli
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Giulia Mugnaini
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Tessa Bolognesi
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
| | - Massimo Bonini
- CSGI & Department of Chemistry "Ugo Schiff", University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino (FI), Italy
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Chang X, Wang M, Du L, Liao L, He L, Zhou H, He L. A Pilot Investigation Generating an Alternative Therapeutic Strategy Combining Deproteinized Bovine Bone and Gelatin Sponge for a Novel Implant Material in Sinus Floor Elevation Operation. Med Sci Monit 2021; 27:e930785. [PMID: 34465716 PMCID: PMC8420676 DOI: 10.12659/msm.930785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Implant placement in the posterior maxilla is typically complicated by a shortage of bone. Gelatin sponge could be combined with an appropriate material to enhance mechanical strength and maintain stability of an implant. This study aimed to evaluate the clinical application of bone grafting with bovine bone mixed with gelatin sponge. Material/Methods Fifty-four patients were divided into a control group (deproteinized bovine bone, n=26) and a test group (deproteinized bovine bone combined with gelatin sponge, n=28). Implants were placed in patients simultaneously after surgery (operation). Cone-beam computed tomography examination was carried out immediately and 6 months after surgery. Space with grafting materials was measured with Mimics software (version 16.0). Results No remarkable differences were found for simultaneous placement, height of residual bone, delayed placement, width of residual bone, graft volume immediately after surgery (V1), graft volume 6 months after surgery (V2), or volumetric change rate between the test group and the control group (P>0.05). Graft volume V2 was remarkably decreased compared with V1 in the control and test groups (P=0.01). There were no significant differences for bone height immediately after surgery (H1) and bone height at 6 months after surgery (H2) between the 2 groups. Bone height H2 was markedly decreased compared with H1 (P<0.05). At 1 year after implantation, there was 1 implant loss in the control group and 2 in the test group. The implant survival rate in the control group was 97.62% and 95.24% in the test group. Conclusions Absorbable gelatin sponge combined with bovine bone particles was an effective and economical material for use in routine sinus floor elevation surgery.
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Affiliation(s)
- Xiaofeng Chang
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland).,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi'an, Shaanxi, China (mainland)
| | - Miao Wang
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Liangzhi Du
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland).,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi'an, Shaanxi, China (mainland)
| | - Lifan Liao
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland).,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi'an, Shaanxi, China (mainland)
| | - Lixing He
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Huixia Zhou
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
| | - Longlong He
- Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland).,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi'an, Shaanxi, China (mainland)
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Gungor M, Sagirli MN, Calisir MD, Selcuk S, Kilic A. Developing centrifugal spun thermally cross‐linked gelatin based fibrous biomats for antibacterial wound dressing applications. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25759] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Melike Gungor
- Textile Engineering Department, TEMAG Labs, Faculty of Textile Technology and Design Istanbul Technical University Istanbul Turkey
| | - Merve Nur Sagirli
- Textile Engineering Department, TEMAG Labs, Faculty of Textile Technology and Design Istanbul Technical University Istanbul Turkey
| | - Mehmet Durmus Calisir
- Textile Engineering Department, TEMAG Labs, Faculty of Textile Technology and Design Istanbul Technical University Istanbul Turkey
- Electrical & Electronic Engineering Department, Faculty of Engineering and Architecture Recep Tayyip Erdogan University Rize Turkey
| | - Sule Selcuk
- Textile Engineering Department, TEMAG Labs, Faculty of Textile Technology and Design Istanbul Technical University Istanbul Turkey
| | - Ali Kilic
- Textile Engineering Department, TEMAG Labs, Faculty of Textile Technology and Design Istanbul Technical University Istanbul Turkey
- R&D Department Areka Group LLC Istanbul Turkey
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Taktak W, Nasri R, López-Rubio A, Chentir I, Gómez-Mascaraque LG, Boughriba S, Nasri M, Karra-Chaâbouni M. Design and characterization of novel ecofriendly European fish eel gelatin-based electrospun microfibers applied for fish oil encapsulation. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.03.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Ehrmann A. Non-Toxic Crosslinking of Electrospun Gelatin Nanofibers for Tissue Engineering and Biomedicine-A Review. Polymers (Basel) 2021; 13:1973. [PMID: 34203958 PMCID: PMC8232702 DOI: 10.3390/polym13121973] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/12/2021] [Accepted: 06/13/2021] [Indexed: 02/04/2023] Open
Abstract
Electrospinning can be used to prepare nanofiber mats from diverse polymers, polymer blends, or polymers doped with other materials. Amongst this broad range of usable materials, biopolymers play an important role in biotechnological, biomedical, and other applications. However, several of them are water-soluble, necessitating a crosslinking step after electrospinning. While crosslinking with glutaraldehyde or other toxic chemicals is regularly reported in the literature, here, we concentrate on methods applying non-toxic or low-toxic chemicals, and enzymatic as well as physical methods. Making gelatin nanofibers non-water soluble by electrospinning them from a blend with non-water soluble polymers is another method described here. These possibilities are described together with the resulting physical properties, such as swelling behavior, mechanical strength, nanofiber morphology, or cell growth and proliferation on the crosslinked nanofiber mats. For most of these non-toxic crosslinking methods, the degree of crosslinking was found to be lower than for crosslinking with glutaraldehyde and other common toxic chemicals.
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Affiliation(s)
- Andrea Ehrmann
- Working Group Textile Technologies, Faculty of Engineering and Mathematics, Bielefeld University of Applied Sciences, 33619 Bielefeld, Germany
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Turanlı Y, Acartürk F. Fabrication and characterization of budesonide loaded colon-specific nanofiber drug delivery systems using anionic and cationic polymethacrylate polymers. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Ye J, Xiao Z, Gao L, Zhang J, He L, Zhang H, Liu Q, Yang G. Assessment of the effects of four crosslinking agents on gelatin hydrogel for myocardial tissue engineering applications. BIOMEDICAL MATERIALS (BRISTOL, ENGLAND) 2021; 16. [PMID: 33975301 DOI: 10.1088/1748-605x/abfff2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 05/11/2021] [Indexed: 02/08/2023]
Abstract
Cardiomyocyte (CM) transplantation is a promising option for regenerating infarcted myocardium. However, poor cell survival and residence rates reduce the efficacy of cell transplantation. Gelatin (GA) hydrogel as a frequently-used cell carrier is a possible approach to increase the survival rate of CMs. In this study, microbial transglutaminase (mTG) and chemical crosslinkers glutaraldehyde, genipin, and 1-ethyl-3-(3-dimethyl aminopropyl)-carbodiimide were employed to prepare GA hydrogels. The mechanical properties and degradation characteristics of these hydrogels were then evaluated. Neonatal rat CMs (NRCMs) were isolated and inoculated on the surface of these hydrogels or encapsulated in mTG-hydrogels. Cellular growth morphology and beating behavior were observed. Cellular viability and immunofluorescence were analyzed. Intracellular Ca2+transient and membrane potential propagation were detected using fluorescence dyes (Fluo-3 and di-4-ANEPPS, respectively). Results showed that the chemical crosslinkers exhibited high cytotoxicity and resulted in high rates of cell death. By contrast, mTG-hydrogels showed excellent cell compatibility. The CMs cultured in mTG-hydrogels for a week expressed CM maturation markers. The NRCMs begun independently beating on the third day of culture, and their beating synchronized after a week of culture. Furthermore, intracellular Ca2+transient events with periodicity were observed. In conclusion, the novel mTG-crosslinked GA hydrogel synthesized herein has good biocompatibility, and it supports CM adhesion, growth, and maturation.
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Affiliation(s)
- Jing Ye
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Zhenghua Xiao
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, No. 37 Guo Xue Alley, Chengdu 610041, People's Republic of China
| | - Lu Gao
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Jing Zhang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Ling He
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Han Zhang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Qi Liu
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
| | - Gang Yang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, Sichuan, People's Republic of China
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Davis ZG, Hussain AF, Fisher MB. Processing variables of direct-write, near-field electrospinning impact size and morphology of gelatin fibers. Biomed Mater 2021; 16. [PMID: 33857922 DOI: 10.1088/1748-605x/abf88b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/15/2021] [Indexed: 11/12/2022]
Abstract
Several biofabrication methods are being investigated to produce scaffolds that can replicate the structure of the extracellular matrix. Direct-write, near-field electrospinning of polymer solutions and electrowriting of polymer melts are methods which combine fine fiber formation with computer-guided control. Research with such systems has focused primarily on synthetic polymers. To better understand the behavior of biopolymers used for direct-writing, this project investigated changes in fiber morphology, size, and variability caused by varying gelatin and acetic acid concentration, as well as process parameters such as needle gauge and height, stage speed, and interfiber spacing. Increasing gelatin concentration at a constant acetic acid concentration improved fiber morphology from large, planar structures to small, linear fibers with a median of 2.3 µm. Further varying the acetic acid concentration at a constant gelatin concentration did not alter fiber morphology and diameter throughout the range tested. Varying needle gauge and height further improved the median fiber diameter to below 2 µm and variability of the first and third quartiles to within ±1 µm of the median. Additional adjustment of stage speed did not impact the fiber morphology or diameter. Repeatable interfiber spacings down to 250 µm were shown to be capable with the system. In summary, this study illustrates the optimization of processing parameters for direct-writing of gelatin to produce fibers on the scale of collagen fibers. This system is thus capable of replicating the fibrous structure of musculoskeletal tissues with biologically relevant materials which will provide a durable platform for the analysis of single cell-fiber interactions to help better understand the impact scaffold materials and dimensions have on cell behavior.
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Affiliation(s)
- Zachary G Davis
- Department of Biomedical Engineering, North Carolina State University, 4130 Engineering Building III, Raleigh, NC 27695, United States of America.,University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America.,Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695, United States of America
| | - Aasim F Hussain
- Department of Biomedical Engineering, North Carolina State University, 4130 Engineering Building III, Raleigh, NC 27695, United States of America.,University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America
| | - Matthew B Fisher
- Department of Biomedical Engineering, North Carolina State University, 4130 Engineering Building III, Raleigh, NC 27695, United States of America.,University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America.,Department of Orthopaedics, University of North Carolina School of Medicine, Chapel Hill, NC 25799, United States of America.,Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27695, United States of America
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Sri Ramakrishnan L, Ps U, Sabu CK, Krishnan AG, Nair MB. Effect of wheat gluten on improved thermal cross-linking and osteogenesis of hydroxyapatite-gelatin composite scaffolds. Int J Biol Macromol 2021; 183:1200-1209. [PMID: 33961879 DOI: 10.1016/j.ijbiomac.2021.04.181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/22/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022]
Abstract
Promising strategies to stabilize gelatin or collagen include glutaraldehyde-based chemical cross-linking or dehydrothermal treatment at different temperatures (120-180 °C). However, these procedures require 24-48 h for complete cross-linking to occur. The present study aims to evaluate the role of wheat gluten on enhancing thermal cross-linking of silica-nanohydroxyapatite (nanoHA)-gelatin composite scaffolds within a shorter period (2 h). Changes in properties were evaluated by varying the ratio of gelatin and gluten in silica-nanoHA matrix (60 wt% ceramic: 40 wt% polymer). The results showed that the scaffolds cross-linked at 170 °C were stable in phosphate-buffered saline for 21 days. It was crystalline and porous in nature. However, the scaffolds with high weight percentage of wheat gluten were brittle, while those with low gluten degraded fast in vitro. The mesenchymal stem cells could adhere, proliferate and differentiate into osteogenic lineage on wheat gluten-containing scaffolds for 21 days (mainly medium concentration). The scaffold also supported new bone formation in critical-sized rat calvarial defect, showing its osteoconductive and osteointegrative nature. In short, this study showed the potential of wheat gluten on improving thermal cross-linking within a shorter period and its suitability to use as a biomimetic bone graft for bone tissue engineering.
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Affiliation(s)
- Lalitha Sri Ramakrishnan
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Unnikrishnan Ps
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Chinchu K Sabu
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Amit G Krishnan
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Manitha B Nair
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India.
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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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Antibacterial and Antioxidant Gelatin Nanofiber Scaffold Containing Ethanol Extract of Pomegranate Peel: Design, Characterization and In Vitro Assay. FOOD BIOPROCESS TECH 2021. [DOI: 10.1007/s11947-021-02616-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Significance of Crosslinking Approaches in the Development of Next Generation Hydrogels for Corneal Tissue Engineering. Pharmaceutics 2021; 13:pharmaceutics13030319. [PMID: 33671011 PMCID: PMC7997321 DOI: 10.3390/pharmaceutics13030319] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/19/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Medical conditions such as trachoma, keratoconus and Fuchs endothelial dystrophy can damage the cornea, leading to visual deterioration and blindness and necessitating a cornea transplant. Due to the shortage of donor corneas, hydrogels have been investigated as potential corneal replacements. A key factor that influences the physical and biochemical properties of these hydrogels is how they are crosslinked. In this paper, an overview is provided of different crosslinking techniques and crosslinking chemical additives that have been applied to hydrogels for the purposes of corneal tissue engineering, drug delivery or corneal repair. Factors that influence the success of a crosslinker are considered that include material composition, dosage, fabrication method, immunogenicity and toxicity. Different crosslinking techniques that have been used to develop injectable hydrogels for corneal regeneration are summarized. The limitations and future prospects of crosslinking strategies for use in corneal tissue engineering are discussed. It is demonstrated that the choice of crosslinking technique has a significant influence on the biocompatibility, mechanical properties and chemical structure of hydrogels that may be suitable for corneal tissue engineering and regenerative applications.
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Hashemi SF, Mehrabi M, Ehterami A, Gharravi AM, Bitaraf FS, Salehi M. In-vitro and in-vivo studies of PLA / PCL / gelatin composite scaffold containing ascorbic acid for bone regeneration. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102077] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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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: 62] [Impact Index Per Article: 20.7] [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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Production, characterization and application of nanocarriers made of polysaccharides, proteins, bio-polyesters and other biopolymers: A review. Int J Biol Macromol 2020; 165:3088-3105. [DOI: 10.1016/j.ijbiomac.2020.10.104] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/11/2020] [Accepted: 10/14/2020] [Indexed: 01/10/2023]
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Cross-Linking Optimization for Electrospun Gelatin: Challenge of Preserving Fiber Topography. Polymers (Basel) 2020; 12:polym12112472. [PMID: 33113784 PMCID: PMC7692762 DOI: 10.3390/polym12112472] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/16/2020] [Accepted: 10/22/2020] [Indexed: 12/14/2022] Open
Abstract
Opportunely arranged micro/nano-scaled fibers represent an extremely attractive architecture for tissue engineering, as they offer an intrinsically porous structure, a high available surface, and an ideal microtopography for guiding cell migration. When fibers are made with naturally occurring polymers, matrices that closely mimic the architecture of the native extra-cellular matrix and offer specific chemical cues can be obtained. Along this track, electrospinning of collagen or gelatin is a typical and effective combination to easily prepare fibrous scaffolds with excellent properties in terms of biocompatibility and biomimicry, but an appropriate cross-linking strategy is required. Many common protocols involve the use of swelling solvents and can result in significant impairment of fibrous morphology and porosity. As a consequence, the efforts for processing gelatin into a fiber network can be vain, as a film-like morphology will be eventually presented to cells. However, this appears to be a frequently overlooked aspect. Here, the effect on fiber morphology of common cross-linking protocols was analyzed, and different strategies to improve the final morphology were evaluated (including alternative solvents, cross-linker concentration, mechanical constraint, and evaporation conditions). Finally, an optimized, fiber-preserving protocol based on carbodiimide (EDC) chemistry was defined.
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Zhang Y, Leng H, Du Z, Huang Y, Liu X, Zhao Z, Zhang X, Cai Q, Yang X. Efficient regeneration of rat calvarial defect with gelatin-hydroxyapatite composite cryogel. Biomed Mater 2020; 15:065005. [DOI: 10.1088/1748-605x/ab9422] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Campodoni E, Montanari M, Dozio SM, Heggset EB, Panseri S, Montesi M, Tampieri A, Syverud K, Sandri M. Blending Gelatin and Cellulose Nanofibrils: Biocomposites with Tunable Degradability and Mechanical Behavior. NANOMATERIALS 2020; 10:nano10061219. [PMID: 32580479 PMCID: PMC7353106 DOI: 10.3390/nano10061219] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/15/2020] [Accepted: 06/18/2020] [Indexed: 02/07/2023]
Abstract
Many studies show how biomaterial properties like stiffness, mechanical stimulation and surface topography can influence cellular functions and direct stem cell differentiation. In this work, two different natural materials, gelatin (Gel) and cellulose nanofibrils (CNFs), were combined to design suitable 3D porous biocomposites for soft-tissue engineering. Gel was selected for its well-assessed high biomimicry that it shares with collagen, from which it derives, while the CNFs were chosen as structural reinforcement because of their exceptional mechanical properties and biocompatibility. Three different compositions of Gel and CNFs, i.e., with weight ratios of 75:25, 50:50 and 25:75, were studied. The biocomposites were morphologically characterized and their total- and macro- porosity assessed, proving their suitability for cell colonization. In general, the pores were larger and more isotropic in the biocomposites compared to the pure materials. The influence of freeze-casting and dehydrothermal treatment (DHT) on mechanical properties, the absorption ability and the shape retention were evaluated. Higher content of CNFs gave higher swelling, and this was attributed to the pore structure. Cross-linking between CNFs and Gel using DHT was confirmed. The Young’s modulus increased significantly by adding the CNFs to Gel with a linear relationship with respect to the CNF amounts. Finally, the biocomposites were characterized in vitro by testing cell colonization and growth through a quantitative cell viability analysis performed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Additionally, the cell viability analysis was performed by the means of a Live/Dead test with Human mesenchymal stem cells (hMSCs). All the biocomposites had higher cytocompatibility compared to the pure materials, Gel and CNFs.
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Affiliation(s)
- Elisabetta Campodoni
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
- Correspondence: (E.C.); (K.S.); (M.S.); Tel.: +39-0546-699761 (E.C.); +47-95903740 (K.S.); +39-0546-699761 (M.S.)
| | - Margherita Montanari
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
| | - Samuele M. Dozio
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
| | | | - Silvia Panseri
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
| | - Monica Montesi
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
| | - Kristin Syverud
- RISE PFI, NO-7491 Trondheim, Norway;
- Department of Chemical Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
- Correspondence: (E.C.); (K.S.); (M.S.); Tel.: +39-0546-699761 (E.C.); +47-95903740 (K.S.); +39-0546-699761 (M.S.)
| | - Monica Sandri
- Institute of Science and Technology for Ceramics-National Research Council (CNR), 48018 Faenza, Italy; (M.M.); (S.M.D.); (S.P.); (M.M.); (A.T.)
- Correspondence: (E.C.); (K.S.); (M.S.); Tel.: +39-0546-699761 (E.C.); +47-95903740 (K.S.); +39-0546-699761 (M.S.)
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Functional Micro- and Nanofibers Obtained by Nonwoven Post-Modification. Polymers (Basel) 2020; 12:polym12051087. [PMID: 32397603 PMCID: PMC7285086 DOI: 10.3390/polym12051087] [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: 03/31/2020] [Revised: 04/29/2020] [Accepted: 05/06/2020] [Indexed: 12/14/2022] Open
Abstract
Micro- and nanofibers are historically-known materials that are continuously reinvented due to their valuable properties. They display promise for applications in many fields, from tissue engineering to catalysis or sensors. In the first application, micro- and nanofibers are mainly produced from a limited library of biomaterials with properties that need alteration before use. Post-modification is a very effective method for attaining on-demand features and functions of nonwovens. This review summarizes and presents methods of functionalization of nonwovens produced by electrostatic means. The reviewed modifications are grouped into physical methods, chemical modification, and mixed methods.
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