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Jin B, Zhang C, Zhong Z, Liu Z, Zhang Z, Li D, Zhu M, Yu B. A novel degradable PCL/PLLA strapping band for internal fixation of fracture. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:57. [PMID: 37938467 PMCID: PMC10632200 DOI: 10.1007/s10856-023-06759-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 10/05/2023] [Indexed: 11/09/2023]
Abstract
Early fracture fixation is the critical factor in fracture healing. Common internal fracture implants are made of metallic materials, which often affects the imaging quality of CT and MRI. Most patients will choose secondary surgery to remove the internal fixation implants, which causes secondary damage to them. The development of new degradable internal fracture implants has attracted more and more attention from orthopedic surgeons and researchers. Based on these problems, we improved the various properties of medical grade polycaprolactone (PCL) by adding poly(L-lactide) (PLLA). We produced PCL/PLLA strapping bands with different mass ratios by injection molding. We compared the mechanical properties, degradation properties, cell biocompatibility, bone marrow mesenchymal stem cells (BMSCs) adhesion, proliferation, osteogenic differentiation and fracture fixation effect of these strapping bands. The results showed that the tensile strength and yield force of the strapping bands increased with the increase of the content of PLLA. The addition of PLLA could significantly improve the mechanical strength in the early stage and accelerate the degradation rate of the strapping band. PCL/PLLA (80/20) strapping band had no significant cytotoxicity toward rBMSCs and could promote osteogenic differentiation of rBMSCs. The strapping band could ensure femoral fracture healing of beagles in 3 months and didn't cause damage to the surrounding tissues and main organs. This study will provide some new insights into the biodegradable products of PCL/PLLA blends for internal fixation of fracture. We produced novel degradable PCL/PLLA strapping bands with different mass ratios by injection molding. We tested the biological safety of the prepared internal fixation strapping bands for fracture, such as cell experiment in vitro and animal experiment, and studied the degradation behavior in vitro. The strapping bands could ensure femoral fracture healing of beagles. This study will provide some new insights into the biodegradable products of PCL/PLLA blends for internal fixation of fracture. A Immunofluorescence staining of rBMSCs (live cells: green; dead cells: red). B Young's modulus change curve during strapping bands degradation. C The implantation process of strapping bands. D Micro-CT images of the beagle's fracture recovery after the operation.
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Affiliation(s)
- Baoyan Jin
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, China
- Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Chongjing Zhang
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Zeyuan Zhong
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Zichen Liu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, China
| | - Zhenhua Zhang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, China
| | - Dejian Li
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China.
| | - Min Zhu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai, China.
| | - Baoqing Yu
- Department of Orthopedics, Shanghai Pudong New Area People's Hospital, Shanghai, China.
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Tomasina C, Montalbano G, Fiorilli S, Quadros P, Azevedo A, Coelho C, Vitale-Brovarone C, Camarero-Espinosa S, Moroni L. Incorporation of strontium-containing bioactive particles into PEOT/PBT electrospun scaffolds for bone tissue regeneration. BIOMATERIALS ADVANCES 2023; 149:213406. [PMID: 37054582 DOI: 10.1016/j.bioadv.2023.213406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/11/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023]
Abstract
The combination of biomaterials and bioactive particles has shown to be a successful strategy to fabricate electrospun scaffolds for bone tissue engineering. Among the range of bioactive particles, hydroxyapatite and mesoporous bioactive glasses (MBGs) have been widely used for their osteoconductive and osteoinductive properties. Yet, the comparison between the chemical and mechanical characteristics as well as the biological performances of these particle-containing scaffolds have been characterized to a limited extent. In this work, we fabricated PEOT/PBT-based composite scaffolds incorporating either nanohydroxyapatite (nHA), strontium-containing nanohydroxyapatite (nHA_Sr) or MBGs doped with strontium ions up to 15 wt./vol% and 12,5 wt./vol% for nHA and MBG, respectively. The composite scaffolds presented a homogeneous particle distribution. Morphological, chemical and mechanical analysis revealed that the introduction of particles into the electrospun meshes caused a decrease in the fiber diameter and mechanical properties, yet maintaining the hydrophilic nature of the scaffolds. The Sr2+ release profile differed according to the considered system, observing a 35-day slowly decreasing release from strontium-containing nHA scaffolds, whereas MBG-based scaffolds showed a strong burst release in the first week. In vitro, culture of human bone marrow-derived mesenchymal stromal cells (hMSCs) on composite scaffolds demonstrated excellent cell adhesion and proliferation. In maintenance and osteogenic media, all composite scaffolds showed high mineralization as well as expression of Col I and OCN compared to PEOT/PBT scaffolds, suggesting their ability to boost bone formation even without osteogenic factors. The presence of strontium led to an increase in collagen secretion and matrix mineralization in osteogenic medium, while gene expression analysis showed that hMSCs cultured on nHA-based scaffolds had a higher expression of OCN, ALP and RUNX2 compared to cells cultured on nHA_Sr scaffolds in osteogenic medium. Yet, cells cultured on MBGs-based scaffolds showed a higher gene expression of COL1, ALP, RUNX2 and BMP2 in osteogenic medium compared to nHA-based scaffolds, which is hypothesized to lead to high osteoinductivity in long term cultures.
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Daskalakis E, Hassan MH, Omar AM, Acar AA, Fallah A, Cooper G, Weightman A, Blunn G, Koc B, Bartolo P. Accelerated Degradation of Poly-ε-caprolactone Composite Scaffolds for Large Bone Defects. Polymers (Basel) 2023; 15:polym15030670. [PMID: 36771970 PMCID: PMC9921763 DOI: 10.3390/polym15030670] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/13/2023] [Accepted: 01/21/2023] [Indexed: 01/31/2023] Open
Abstract
This research investigates the accelerated hydrolytic degradation process of both anatomically designed bone scaffolds with a pore size gradient and a rectangular shape (biomimetically designed scaffolds or bone bricks). The effect of material composition is investigated considering poly-ε-caprolactone (PCL) as the main scaffold material, reinforced with ceramics such as hydroxyapatite (HA), β-tricalcium phosphate (TCP) and bioglass at a concentration of 20 wt%. In the case of rectangular scaffolds, the effect of pore size (200 μm, 300 μm and 500 μm) is also investigated. The degradation process (accelerated degradation) was investigated during a period of 5 days in a sodium hydroxide (NaOH) medium. Degraded bone bricks and rectangular scaffolds were measured each day to evaluate the weight loss of the samples, which were also morphologically, thermally, chemically and mechanically assessed. The results show that the PCL/bioglass bone brick scaffolds exhibited faster degradation kinetics in comparison with the PCL, PCL/HA and PCL/TCP bone bricks. Furthermore, the degradation kinetics of rectangular scaffolds increased by increasing the pore size from 500 μm to 200 μm. The results also indicate that, for the same material composition, bone bricks degrade slower compared with rectangular scaffolds. The scanning electron microscopy (SEM) images show that the degradation process was faster on the external regions of the bone brick scaffolds (600 μm pore size) compared with the internal regions (200 μm pore size). The thermal gravimetric analysis (TGA) results show that the ceramic concentration remained constant throughout the degradation process, while differential scanning calorimetry (DSC) results show that all scaffolds exhibited a reduction in crystallinity (Xc), enthalpy (Δm) and melting temperature (Tm) throughout the degradation process, while the glass transition temperature (Tg) slightly increased. Finally, the compression results show that the mechanical properties decreased during the degradation process, with PCL/bioglass bone bricks and rectangular scaffolds presenting higher mechanical properties with the same design in comparison with the other materials.
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Affiliation(s)
- Evangelos Daskalakis
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Mohamed H Hassan
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Abdalla M Omar
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Anil A Acar
- Integrated Manufacturing Technologies Research and Application Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- SUNUM Nanotechnology Research Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Ali Fallah
- Integrated Manufacturing Technologies Research and Application Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- SUNUM Nanotechnology Research Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Glen Cooper
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Andrew Weightman
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Gordon Blunn
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, UK
| | - Bahattin Koc
- Integrated Manufacturing Technologies Research and Application Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- SUNUM Nanotechnology Research Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Paulo Bartolo
- School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
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Sharma A, Kokil GR, He Y, Lowe B, Salam A, Altalhi TA, Ye Q, Kumeria T. Inorganic/organic combination: Inorganic particles/polymer composites for tissue engineering applications. Bioact Mater 2023; 24:535-550. [PMID: 36714332 PMCID: PMC9860401 DOI: 10.1016/j.bioactmat.2023.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
Biomaterials have ushered the field of tissue engineering and regeneration into a new era with the development of advanced composites. Among these, the composites of inorganic materials with organic polymers present unique structural and biochemical properties equivalent to naturally occurring hybrid systems such as bones, and thus are highly desired. The last decade has witnessed a steady increase in research on such systems with the focus being on mimicking the peculiar properties of inorganic/organic combination composites in nature. In this review, we discuss the recent progress on the use of inorganic particle/polymer composites for tissue engineering and regenerative medicine. We have elaborated the advantages of inorganic particle/polymer composites over their organic particle-based composite counterparts. As the inorganic particles play a crucial role in defining the features and regenerative capacity of such composites, the review puts a special emphasis on the various types of inorganic particles used in inorganic particle/polymer composites. The inorganic particles that are covered in this review are categorised into two broad types (1) solid (e.g., calcium phosphate, hydroxyapatite, etc.) and (2) porous particles (e.g., mesoporous silica, porous silicon etc.), which are elaborated in detail with recent examples. The review also covers other new types of inorganic material (e.g., 2D inorganic materials, clays, etc.) based polymer composites for tissue engineering applications. Lastly, we provide our expert analysis and opinion of the field focusing on the limitations of the currently used inorganic/organic combination composites and the immense potential of new generation of composites that are in development.
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Affiliation(s)
- Astha Sharma
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Ganesh R. Kokil
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Yan He
- Institute of Regenerative and Translational Medicine, Department of Stomatology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, 430030, China
| | - Baboucarr Lowe
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Arwa Salam
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Qingsong Ye
- Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Corresponding author. Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Tushar Kumeria
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
- Corresponding author. School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia.
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A Novel Approach to Bio-mineralization of Electrospun PCL Scaffolds by Protein and Hydroxyapatite Nanoparticles; Molecular Dynamics Simulation and in-vitro Evaluation. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111739] [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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6
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Chen X, Huang Z, Yang Q, Zeng X, Bai R, Wang L. 3D biodegradable shape changing composite scaffold with programmable porous structures for bone engineering. Biomed Mater 2022; 17. [DOI: 10.1088/1748-605x/aca133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/08/2022] [Indexed: 11/19/2022]
Abstract
Abstract
This study developed a biodegradable composite porous polyurethane scaffold based on polycaprolactone and polyethylene glycol by sequential in-situ foaming salt leaching and freeze-drying process with responsive shape changing performance. Biomineral hydroxyapatite (HA) was introduced into the polyurethane matrix as inorganic fillers. Infrared spectroscopy results proved a successful synthesis, scanning electron microscopy showed that the scaffold’s porosity decreased with the addition of HA while the average pore size increased. X-ray diffraction and differential scanning calorimetry showed that the addition of HA lowered the melting point of the scaffold, resulting in a transition temperature close to the human body temperature. From the bending experiments, it could be demonstrated that PUHA20 has excellent shape memory performance with shape fixity ratio >98.9% and shape recovery ratio >96.2%. Interestingly, the shape-changing capacity could be influenced by the porous structures with variation of HA content. The shape recovery speed was further accelerated when the material was immersed in phosphate buffered saline at 37 °C. Additionally, in vitro mineralization experiments showed that the scaffold incorporating HA had good osteoconductivity, and implantation assessment proved that scaffolds had good in vivo biocompatibility. This scaffold is a promising candidate for implantation of bone defects.
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7
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Guo Y, Li P, Wang Z, Zhang P, Wu X. Sustained Delivery of Methylsulfonylmethane from Biodegradable Scaffolds Enhances Efficient Bone Regeneration. Int J Nanomedicine 2022; 17:4829-4842. [PMID: 36246935 PMCID: PMC9558569 DOI: 10.2147/ijn.s377036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/02/2022] [Indexed: 11/07/2022] Open
Abstract
Introduction As a popular dietary supplement containing sulfur compound, methylsulfonylmethane (MSM) has been widely used as an alternative oral medicine to relieve joint pain, reduce inflammation and promote collagen protein synthesis. However, it is rarely used in developing bioactive scaffolds in bone tissue engineering. Methods Three-dimensional (3D) hydroxyapatite/poly (lactide-co-glycolide) (HA/PLGA) porous scaffolds with different doping levels of MSM were prepared using the phase separation method. MSM loading efficiency, in vitro drug release as well as the biological activity of MSM-loaded scaffolds were investigated by incubating mouse pre-osteoblasts (MC3T3-E1) in the uniform and interconnected porous scaffolds. Results Sustained release of MSM from the scaffolds was observed, and the total MSM release from 1% and 10% MSM/HA/PLGA scaffolds within 16 days was up to 64.9% and 68.2%, respectively. Cell viability, proliferation, and alkaline phosphatase (ALP) activity were significantly promoted by incorporating 0.1% of MSM in the scaffolds. In vivo bone formation ability was significantly enhanced for 1% MSM/HA/PLGA scaffolds indicated by the repair of rabbit radius defects which might be affected by a stimulated release of MSM by enzyme systems in vivo. Discussion Finding from this study revealed that the incorporation of MSM would be effective in improving the osteogenesis activity of the HA/PLGA porous scaffolds.
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Affiliation(s)
- Yueming Guo
- Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, People’s Republic of China
| | - Pengpeng Li
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Graduate School of Bengbu Medical College, Bengbu, 233030, People’s Republic of China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Xiaodong Wu
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Correspondence: Xiaodong Wu; Peibiao Zhang, Email ;
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Ou Y, Wu W, Zhou Z. In-Vitro Degradation Behaviors of Composite Scaffolds Based on Poly(Lactide-co-Glycolide-co-ε-Caprolactone), 1,4-Butanediamine Modified Poly(Lactide-co-Glycolide) and Bioceramics. J MACROMOL SCI B 2022. [DOI: 10.1080/00222348.2022.2101972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Yun Ou
- Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan, P. R. China
- School of Materials Science and Engineering, Hunan University of Science and Technology, Xiangtan Hunan, China
| | - Wei Wu
- Daqing Petrochemical Research Institute of CNPC, Daqing, P. R. China
| | - Zhihua Zhou
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, Hunan University of Science and Technology, Xiangtan, P. R. China
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Synthesis of Candida Antarctica Lipase B (CALB) enzyme-powered magnetite nanomotor based on PCL/Chitosan Janus nanostructure. Sci Rep 2022; 12:12758. [PMID: 35882890 PMCID: PMC9325781 DOI: 10.1038/s41598-022-16777-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/15/2022] [Indexed: 12/05/2022] Open
Abstract
In this work, we report the design and synthesis of internal energy-driven Janus nanomotors (JNMs), which are composed of certain reactive materials that are capable of converting chemical energy in the backbone of nanomotors into kinetic energy. For this purpose, superparamagnetic iron oxide nanoparticles (SPIONs) with the anisotropic surface were obtained via a Pickering emulsion. Modified chitosan (as hydrophilic polymer) and functionalized polycaprolactone (as hydrophobic domain) were covalently linked to the surface of bi-functional SPIONs to produce Janus nanoparticles (JNPs). Then, the CALB enzyme was loaded in the PCL hemisphere of JNPs to form the Janus nanomotor. When nanomotors are placed in the phosphate-buffered saline solution, the driving force for motion is provided by the decomposition of polyester into monomers and oligomers on one side of the JNMs. The trajectories of the nanomotors were recorded under different circumstances by a video microscope and analyzed by the mean squared displacement. The results show that the velocity of JNMs increases with an increasing percentage of the loaded enzyme. In addition, the diffusion coefficient enhances up to 87.67% in compared with nanoparticles without enzyme. Controlling the motion direction of JNMs by an external magnetic field is also possible, due to the presence of SPIONs.
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Recent advances in 3D-printed polylactide and polycaprolactone-based biomaterials for tissue engineering applications. Int J Biol Macromol 2022; 218:930-968. [PMID: 35896130 DOI: 10.1016/j.ijbiomac.2022.07.140] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 01/10/2023]
Abstract
The three-dimensional printing (3DP) also known as the additive manufacturing (AM), a novel and futuristic technology that facilitates the printing of multiscale, biomimetic, intricate cytoarchitecture, function-structure hierarchy, multi-cellular tissues in the complicated micro-environment, patient-specific scaffolds, and medical devices. There is an increasing demand for developing 3D-printed products that can be utilized for organ transplantations due to the organ shortage. Nowadays, the 3DP has gained considerable interest in the tissue engineering (TE) field. Polylactide (PLA) and polycaprolactone (PCL) are exemplary biomaterials with excellent physicochemical properties and biocompatibility, which have drawn notable attraction in tissue regeneration. Herein, the recent advancements in the PLA and PCL biodegradable polymer-based composites as well as their reinforcement with hydrogels and bio-ceramics scaffolds manufactured through 3DP are systematically summarized and the applications of bone, cardiac, neural, vascularized and skin tissue regeneration are thoroughly elucidated. The interaction between implanted biodegradable polymers, in-vivo and in-vitro testing models for possible evaluation of degradation and biological properties are also illustrated. The final section of this review incorporates the current challenges and future opportunities in the 3DP of PCL- and PLA-based composites that will prove helpful for biomedical engineers to fulfill the demands of the clinical field.
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A bioactive porous scaffold containing collagen/ phosphorous-modified polycaprolactone for osteogenesis of adipose-derived mesenchymal stem cells. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111220] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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12
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Surmenev RA, Ivanov AN, Saveleva MS, Kiriiazi TS, Fedonnikov AS, Surmeneva MA. The effect of different sizes of cross‐linked fibers of biodegradable electrospun poly(ε‐caprolactone) scaffolds on osteogenic behavior in a rat model in vivo. J Appl Polym Sci 2022. [DOI: 10.1002/app.52244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Roman A. Surmenev
- Research Center Physical Materials Science and Composite Materials, Research School of Chemistry & Applied Biomedical Sciences National Research Tomsk Polytechnic University Tomsk Russian Federation
| | - Alexey N. Ivanov
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Mariia S. Saveleva
- Remote Controlled Systems for Theranostics Laboratory, Science Medical Center Saratov State University Saratov Russian Federation
| | - Tatiana S. Kiriiazi
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Alexander S. Fedonnikov
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Maria A. Surmeneva
- Research Center Physical Materials Science and Composite Materials, Research School of Chemistry & Applied Biomedical Sciences National Research Tomsk Polytechnic University Tomsk Russian Federation
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Lu YC, Chang TK, Yeh ST, Lin TC, Lin HS, Chen CH, Huang CH, Huang CH. Evaluation of graphene-derived bone scaffold exposure to the calvarial bone_ in-vitro and in-vivo studies. Nanotoxicology 2022; 16:1-15. [PMID: 35085045 DOI: 10.1080/17435390.2022.2027036] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Graphene is a novel material which has recently been gaining great interest in the biomedical fields. Our previous study observed that graphene-derived particles help induce bone formation in a murine calvarial model. Here, we further developed a blended graphene-contained polycaprolactone (PCL/G) filament for application in a 3D-printed bone scaffold. Since implants are expected to be for long-term usage, in vitro cell culture and in vivo scaffold implants were evaluated in a critical-size bone defect calvarial model for over 60 weeks. Graphene greatly improved the mechanical strength by 30.2% compared to pure PCL. The fabricated PCL/G scaffolds also showed fine cell viability. In animal model, an abnormal electroencephalogram power spectrum and early signs of aging, such as hair graying and hair loss, were found in the group with a PCL/G scaffold compared to pure PCL scaffold. Neither of the abnormal symptoms caused death of all animals in both groups. The long-term use of graphene-derived biomaterials for in-vivo implants seems to be safe. But the comprehensive biosafety still needs further evaluation.
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Affiliation(s)
- Yung-Chang Lu
- Department of Medicine, MacKay Medical College, Taipei, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Ting-Kuo Chang
- Department of Medicine, MacKay Medical College, Taipei, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shu-Ting Yeh
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Tzu-Chiao Lin
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Hung-Shih Lin
- Department of Neurosurgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chun-Hung Chen
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chun-Hsiung Huang
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Orthopaedic Surgery, Changhau Christian Hospital, Changhau, Taiwan
| | - Chang-Hung Huang
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Tian B, Wang N, Jiang Q, Tian L, Hu L, Zhang Z. The immunogenic reaction and bone defect repair function of ε-poly-L-lysine (EPL)-coated nanoscale PCL/HA scaffold in rabbit calvarial bone defect. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:63. [PMID: 34097140 PMCID: PMC8184523 DOI: 10.1007/s10856-021-06533-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 05/20/2021] [Indexed: 05/27/2023]
Abstract
Tissue engineering is a promising strategy for bone tissue defect reconstruction. Immunogenic reaction, which was induced by scaffolds degradation or contaminating microorganism, influence cellular activity, compromise the efficiency of tissue engineering, or eventually lead to the failure of regeneration. Inhibiting excessive immune response through modulating scaffold is critical important to promote tissue regeneration. Our previous study showed that ε-poly-L-lysine (EPL)-coated nanoscale polycaprolactone/hydroxyapatite (EPL/PCL/HA) composite scaffold has enhanced antibacterial and osteogenic properties in vitro. However, the bone defect repair function and immunogenic reaction of EPL/PCL/HA scaffolds in vivo remains unclear. In the present study, three nanoscale scaffolds (EPL/PCL/HA, PCL and PCL/HA) were transplanted into rabbit paraspinal muscle pouches, and T helper type 1 (Th1), T helper type 2 (Th2), T helper type 17 (Th17), and macrophage infiltration were analyzed after 1 week and 2 weeks to detect their immunogenic reaction. Then, the different scaffolds were transplanted into rabbit calvarial bone defect to compare the bone defect repair capacities. The results showed that EPL/PCL/HA composite scaffolds decreased pro-inflammatory Th1, Th17, and type I macrophage infiltration from 1 to 2 weeks, and increased anti-inflammatory Th2 infiltration into the regenerated area at 2 weeks in vivo, when compared to PCL and PCL/HA. In addition, EPL/PCL/HA showed an enhanced bone repair capacity compared to PCL and PCL/HA when transplanted into rabbit calvarial bone defects at both 4 and 8 weeks. Hence, our results suggest that EPL could regulate the immunogenic reaction and promote bone defect repair function of PCL/HA, which is a promising agent for tissue engineering scaffold modulation.
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Affiliation(s)
- Bin Tian
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Na Wang
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Qingsong Jiang
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Lijiao Tian
- Liangxiang Hospital of Beijing Fangshan District, Beijing, China
| | - Lei Hu
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China.
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China.
| | - Zhenting Zhang
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China.
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15
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Wang S, Suhaimi H, Mabrouk M, Georgiadou S, Ward JP, Das DB. Effects of Scaffold Pore Morphologies on Glucose Transport Limitations in Hollow Fibre Membrane Bioreactor for Bone Tissue Engineering: Experiments and Numerical Modelling. MEMBRANES 2021; 11:membranes11040257. [PMID: 33918241 PMCID: PMC8065773 DOI: 10.3390/membranes11040257] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022]
Abstract
In the current research, three electrospun polycaprolactone (PCL) scaffolds with different pore morphology induced by changing the electrospinning parameters, spinning time and rate, have been prepared in order to provide a fundamental understanding on the effects pore morphology have on nutrient transport behaviour in hollow fibre membrane bioreactor (HFMB). After determining the porosity of the scaffolds, they were investigated for glucose diffusivity using cell culture media (CCM) and distilled water in a diffusion cell at 37 °C. The scanning electron microscope (SEM) images of the microstructure of the scaffolds were analysed further using ImageJ software to determine the porosity and glucose diffusivity. A Krogh cylinder model was used to determine the glucose transport profile with dimensionless variables within the HFMB. The paper discusses the roles of various dimensionless numbers (e.g., Péclet and Damköhler numbers) and non-dimensional groups of variables (e.g., non-dimensional fibre radius) on determining glucose concentration profiles, especially in the scaffold region. A negative linear relationship between glucose diffusivities across PCL scaffolds and the minimum glucose concentrations (i.e., concentration on the outer fibre edge on the outlet side (at z = 1 and r = 3.2) was also found. It was shown that the efficiency of glucose consumption improves with scaffolds of higher diffusivities. The results of this study are expected to help in optimizing designs of HFMB as well as carry out more accurate up scaling analyses for the bioreactor.
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Affiliation(s)
- Shuai Wang
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, UK; (S.W.); (H.S.); (M.M.); (S.G.)
| | - Hazwani Suhaimi
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, UK; (S.W.); (H.S.); (M.M.); (S.G.)
| | - Mostafa Mabrouk
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, UK; (S.W.); (H.S.); (M.M.); (S.G.)
- Refractories, Ceramics and Building Materials Department, National Research Centre, 33El Bohouth St. (former EL Tahrir St.), Dokki, Giza P.O. Box 12622, Egypt
| | - Stella Georgiadou
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, UK; (S.W.); (H.S.); (M.M.); (S.G.)
| | - John P. Ward
- Department of Mathematical Sciences, Loughborough University, Loughborough LE113TU, UK;
| | - Diganta B. Das
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, UK; (S.W.); (H.S.); (M.M.); (S.G.)
- Correspondence: ; Tel.: +44-1-509-222-509
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16
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Development of nano-tricalcium phosphate/polycaprolactone/platelet-rich plasma biocomposite for bone defect regeneration. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.07.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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17
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Comparison of Different Approaches to Surface Functionalization of Biodegradable Polycaprolactone Scaffolds. NANOMATERIALS 2019; 9:nano9121769. [PMID: 31842311 PMCID: PMC6955782 DOI: 10.3390/nano9121769] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 12/06/2019] [Accepted: 12/09/2019] [Indexed: 12/16/2022]
Abstract
Due to their good mechanical stability compared to gelatin, collagen or polyethylene glycol nanofibers and slow degradation rate, biodegradable poly-ε-caprolactone (PCL) nanofibers are promising material as scaffolds for bone and soft-tissue engineering. Here, PCL nanofibers were prepared by the electrospinning method and then subjected to surface functionalization aimed at improving their biocompatibility and bioactivity. For surface modification, two approaches were used: (i) COOH-containing polymer was deposited on the PCL surface using atmospheric pressure plasma copolymerization of CO2 and C2H4, and (ii) PCL nanofibers were coated with multifunctional bioactive nanostructured TiCaPCON film by magnetron sputtering of TiC–CaO–Ti3POx target. To evaluate bone regeneration ability in vitro, the surface-modified PCL nanofibers were immersed in simulated body fluid (SBF, 1×) for 21 days. The results obtained indicate different osteoblastic and epithelial cell response depending on the modification method. The TiCaPCON-coated PCL nanofibers exhibited enhanced adhesion and proliferation of MC3T3-E1 cells, promoted the formation of Ca-based mineralized layer in SBF and, therefore, can be considered as promising material for bone tissue regeneration. The PCL–COOH nanofibers demonstrated improved adhesion and proliferation of IAR-2 cells, which shows their high potential for skin reparation and wound dressing.
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18
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Nikolova MP, Chavali MS. Recent advances in biomaterials for 3D scaffolds: A review. Bioact Mater 2019; 4:271-292. [PMID: 31709311 PMCID: PMC6829098 DOI: 10.1016/j.bioactmat.2019.10.005] [Citation(s) in RCA: 400] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/07/2019] [Accepted: 10/15/2019] [Indexed: 02/06/2023] Open
Abstract
Considering the advantages and disadvantages of biomaterials used for the production of 3D scaffolds for tissue engineering, new strategies for designing advanced functional biomimetic structures have been reviewed. We offer a comprehensive summary of recent trends in development of single- (metal, ceramics and polymers), composite-type and cell-laden scaffolds that in addition to mechanical support, promote simultaneous tissue growth, and deliver different molecules (growth factors, cytokines, bioactive ions, genes, drugs, antibiotics, etc.) or cells with therapeutic or facilitating regeneration effect. The paper briefly focuses on divers 3D bioprinting constructs and the challenges they face. Based on their application in hard and soft tissue engineering, in vitro and in vivo effects triggered by the structural and biological functionalized biomaterials are underlined. The authors discuss the future outlook for the development of bioactive scaffolds that could pave the way for their successful imposing in clinical therapy.
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Affiliation(s)
- Maria P. Nikolova
- Department of Material Science and Technology, University of Ruse “A. Kanchev”, 8 Studentska Str., 7000, Ruse, Bulgaria
| | - Murthy S. Chavali
- Shree Velagapudi Ramakrishna Memorial College (PG Studies, Autonomous), Nagaram, 522268, Guntur District, India
- PG Department of Chemistry, Dharma Appa Rao College, Nuzvid, 521201, Krishna District, India
- MCETRC, Tenali, 522201, Guntur District, Andhra Pradesh, India
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