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Li R, Zhang K, Dong C, Wang K, Gu X, Qin Y. Osteoinductivity enhancement by tailoring the surface chemical bond status: A strategy to mobilize host bone growth factors for in situ bone regeneration. Mater Today Bio 2024; 29:101256. [PMID: 39381265 PMCID: PMC11460471 DOI: 10.1016/j.mtbio.2024.101256] [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: 06/17/2024] [Revised: 08/21/2024] [Accepted: 09/15/2024] [Indexed: 10/10/2024] Open
Abstract
The incorporation of growth factors and biomaterials is a promising strategy for improving osseointegration. However, current strategies to develop biomaterials with exogenous growth factors present disadvantages like inefficiency, difficult deployment, and potential off-target activation, making their translation into clinical practice challenging. This study reveals a bioactive N-doped tantalum carbide (TaC) solid solution film that can be used to construct a TaCN film via bionic interface engineering to recruit host bone growth factors to the wounded site and improve bone regeneration. X-ray photoelectron spectroscopy (XPS) and protein absorption analysis reveal that the performance of TaCN is related to the surface chemical bonds of films. The introduction of N to TaC causes a cascade effect wherein negative charges enrich on the TaCN surface, and the recruitment of positively charged bone growth factors around the TaCN film is facilitated. Under these circumstances, the endogenous bone growth factors enhance bone healing. The TaCN film shows an outstanding performance for in vivo osteogenic differentiation along with a superior in vitro cytocompatibility. Incorporation of N atoms into TaC provides a new clinically translatable strategy to mobilize host bone growth factors for in situ bone regeneration without the need for incorporation of exogenous growth factors.
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Affiliation(s)
- Ruiyan Li
- Department of Orthopaedics, and Joint International Research Laboratory of Ageing Active Strategy and Bionic Health in Northeast Asia of Ministry of Education, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Kan Zhang
- State Key Laboratory of Super Hard Materials, Key Laboratory of Mobile Materials, MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Chuanyao Dong
- State Key Laboratory of Super Hard Materials, Key Laboratory of Mobile Materials, MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Kaiwen Wang
- State Key Laboratory of Super Hard Materials, Key Laboratory of Mobile Materials, MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xinlei Gu
- State Key Laboratory of Super Hard Materials, Key Laboratory of Mobile Materials, MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Yanguo Qin
- Department of Orthopaedics, and Joint International Research Laboratory of Ageing Active Strategy and Bionic Health in Northeast Asia of Ministry of Education, The Second Hospital of Jilin University, Changchun, 130041, China
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2
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Sitthisang S, Hou X, Treetong A, Xu X, Liu W, He C, Sae-Ueng U, Yodmuang S. Nanomechanical mapping of PLA hydroxyapatite composite scaffolds links surface homogeneity to stem cell differentiation. Sci Rep 2024; 14:21097. [PMID: 39256445 PMCID: PMC11387746 DOI: 10.1038/s41598-024-72073-z] [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: 05/03/2024] [Accepted: 09/02/2024] [Indexed: 09/12/2024] Open
Abstract
Polymer composite scaffolds hold promise in bone tissue engineering due to their biocompatibility, mechanical properties, and reproducibility. Among these materials, polylactic acid (PLA), a biodegradable plastics has gained attention for its processability characteristics. However, a deeper understanding of how PLA scaffold surface properties influence cell behavior is enssential for advancing its applications. In this study, 3D-printed PLA scaffolds containing hydroxyapatite (HA) were analyzed using atomic force microscopy and nanomechanical mapping. The addition of HA significantly increased key surface properties compared to unmodified PLA scaffols. Notably, the HA-modified scaffold demonstrated Gaussian distribution of stiffness and adhesive forces, in contrast to the bimodal properties observed in the unmodified PLA scaffolds. Human adipose-derived mesenchymal stem cell (hADMSC) seeded on the 3D-printed PLA scaffolds blended with 10% HA (P10) exhibited strong attachment. After four weeks, osteogenic differentiation of hADMSCs was detected, with calcium deposition reaching 6.76% ± 0.12. These results suggest that specific ranges of stiffness and adhesive forces of the composite scaffold can support cell attachement, and mineralization. The study highlights that tailoring suface properties of composite scaffolds is crucial for modulating cellular interactions, thus advancing the development of effective bone replacement materials.
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Affiliation(s)
- Sonthikan Sitthisang
- Research Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Xunan Hou
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
| | - Alongkot Treetong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - Xin Xu
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
| | - Weilin Liu
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
| | - Chaobin He
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore.
- Agency for Science, Technology, and Research (A*STAR), Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore.
| | - Udom Sae-Ueng
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand.
| | - Supansa Yodmuang
- Research Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand.
- Center of Excellence in Biomaterial Engineering in Medical and Health, Chulalongkorn University, Bangkok, 10330, Thailand.
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Xu Z, Miao L, Meng X, Sui J, Chen M, Zheng Z, Huo S, Liu S, Zhang H. Strontium-doped bioactive glass-functionalized polyetheretherketone enhances osseointegration by facilitating cell adhesion. Colloids Surf B Biointerfaces 2024; 241:114042. [PMID: 38924850 DOI: 10.1016/j.colsurfb.2024.114042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/28/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024]
Abstract
In the field of orthopedics, surgeons have long been facing the challenge of loosening of external fixation screws due to inherent material characteristics. Despite Polyetheretherketone (PEEK) being employed as an orthopedic implant material for many years, its bio-inert nature often hinders bone healing due to the limited bioactivity, which restricts its clinical applications. Herein, a new type of orthopedic implant (Sr-SPK) was developed by introducing strontium (Sr)-doped mesoporous bioactive glass (Sr-MBG) onto the surface of PEEK implants through a simple and feasible method. In vitro experiments revealed that Sr-SPK effectively promotes osteogenic differentiation while concurrently suppressing the formation of osteoclasts. The same results were validated in vivo with Sr-SPK significantly improving bone integration. Upon investigation, it was found that Sr-SPK promotes adhesion among bone marrow mesenchymal stem cells (BMSCs) thereby promoting osteogenesis by activating the regulation of actin cytoskeletal and focal adhesion pathways, as identified via transcriptome analysis. In essence, these findings suggest that the newly constructed Sr-doped biofunctionalized PEEK implant developed in this research can promote osteoblast differentiation and suppress osteoclast activity by enhancing cell adhesion processes. These results underline the immense potential of such an implant for wide-ranging clinical applications in orthopedics.
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Affiliation(s)
- Zihao Xu
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Licai Miao
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Xiangyu Meng
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Junhao Sui
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Mengchen Chen
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Zhong Zheng
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China
| | - Shicheng Huo
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Navy Medical University, Shanghai 200003, China.
| | - Shu Liu
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China.
| | - Hao Zhang
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai 200433, China.
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4
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Sameni HR, Arab S, Doostmohammadi N, Bahraminasab M. Effect of calcium phosphate/bovine serum albumin coated Al 2O 3-Ti biocomposites on osteoblast response. BIOMED ENG-BIOMED TE 2024; 69:367-382. [PMID: 38258440 DOI: 10.1515/bmt-2023-0123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 01/10/2024] [Indexed: 01/24/2024]
Abstract
OBJECTIVES The biological performance of aluminum oxide-titanium (Al2O3-Ti) composites requires special attention to achieve improved osteoblastic differentiation, and subsequent osseointegration/strong anchorage with the surrounding bone. Therefore, the aim of this study was to improve them by providing calcium phosphate (Ca-P)/bovine serum albumin (BSA) coating on their surfaces. METHODS Ca-P/BSA coatings were prepared on the surfaces of 75vol.%Ti composites (75Ti-BSA) and pure Ti (100Ti-BSA as a control). The surface characteristics, phase analysis, micro-hardness, BSA release profile and biological responses including cytotoxicity, cell viability, differentiation, mineralization, and cell adhesion were evaluated. RESULTS The results showed that lower cytotoxicity% and higher mitochondrial activity or viability % were associated with the samples with Ca-P/BSA coatings (particularly 75Ti-BSA having 21.3% cytotoxicity, 111.4% and 288.6% viability at day 1 and 7, respectively). Furthermore, the Ca-P/BSA coating could highly enhance the differentiation of pre-osteoblast cells into osteoblasts in 75Ti-BSA group (ALP concentration of 4.8 ng/ml). However, its influence on cell differentiation in 100Ti-BSA group was negligible. Similar results were also obtained from mineralization assay. The results on cell adhesion revealed that the Ca-P/BSA coated samples differently interacted with MC3T3-E1 cells; enlarged flat cells on 75Ti-BSA vs more spindle-shaped cells on 100Ti-BSA. CONCLUSIONS Ca-P/BSA coated Al2O3-Ti provided promising biological performance, superior to that of uncoated composites. Therefore, they have the potential to improve implant osseointegration.
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Affiliation(s)
- Hamid Reza Sameni
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Samaneh Arab
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Nesa Doostmohammadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Marjan Bahraminasab
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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Alsharbaty MHM, Naji GA, Ghani BA, Schagerl M, Khalil MA, Ali SS. Cytotoxicity and antibacterial susceptibility assessment of a newly developed pectin-chitosan polyelectrolyte composite for dental implants. Sci Rep 2024; 14:16968. [PMID: 39043806 PMCID: PMC11266696 DOI: 10.1038/s41598-024-68020-7] [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: 03/10/2024] [Accepted: 07/18/2024] [Indexed: 07/25/2024] Open
Abstract
Biopolymers such as chitosan and pectin are currently attracting significant attention because of their unique properties, which are valuable in the food industry and pharmaceutical applications. These properties include non-toxicity, compatibility with biological systems, natural decomposition ability, and structural adaptability. The objective of this study was to assess the performance of two different ratios of pectin-chitosan polyelectrolyte composite (PCPC) after applying them as a coating to commercially pure titanium (CpTi) substrates using electrospraying. The PCPC was studied in ratios of 1:2 and 1:3, while the control group consisted of CpTi substrates without any coating. The pull-off adhesion strength, cytotoxicity, and antibacterial susceptibility tests were utilized to evaluate the PCPC coatings. In order to determine whether the composite coating was the result of physical blending or chemical bonding, the topographic surface parameters were studied using Fourier transform infrared spectroscopy (FTIR) and atomic force microscopy (AFM). PCPC (1:3) had the highest average cell viability of 93.42, 89.88, and 86.85% after 24, 48, and 72 h, respectively, as determined by the cytotoxicity assay, when compared to the other groups. According to the Kirby-Bauer disk diffusion method for testing antibacterial susceptibility, PCPC (1:3) showed the highest average diameter of the zone of inhibition, measuring 14.88, 14.43, and 11.03 mm after 24, 48, and 72 h of incubation, respectively. This difference was highly significant compared to Group 3 at all three time periods. PCPC (1:3) exhibited a significantly higher mean pull-off adhesion strength (521.6 psi) compared to PCPC (1:2), which revealed 419.5 psi. PCPC (1:3) coated substrates exhibited better surface roughness parameters compared to other groups based on the findings of the AFM. The FTIR measurement indicated that both PCPC groups exhibited a purely physical blending in the composite coating. Based on the extent of these successful in vitro experiments, PCPC (1:3) demonstrates its potential as an effective coating layer. Therefore, the findings of this study pave the way for using newly developed PCPC after electrospraying coating on CpTi for dental implants.
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Affiliation(s)
| | - Ghassan A Naji
- College of Dentistry, AL-Iraqia University, Baghdad, Iraq
| | - Ban A Ghani
- Department of Oral Diagnostic Sciences, College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Michael Schagerl
- Department of Functional and Evolutionary Ecology, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria.
| | - Maha A Khalil
- Biology Department, College of Science, Taif University, 21944, Taif, Saudi Arabia
| | - Sameh S Ali
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
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6
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Yao C, Pripatnanont P, Zhang J, Suttapreyasri S. Performance of a multiphase bioactive socket plug with a barrier function for alveolar ridge preservation. Biomed Mater 2024; 19:055009. [PMID: 38917815 DOI: 10.1088/1748-605x/ad5ba7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 06/25/2024] [Indexed: 06/27/2024]
Abstract
The natural healing process of extraction socket and traditional socket plug material could not prevent buccal bone wall resorption and down growth of epithelium from the socket orifice. A multiphase bioactive socket plug (BP) is designed to overcome the natural healing process by maintaining the three-dimensional (3D) volume of extraction sockets, particularly in sockets with wall defects, and later provide sufficient alveolar bone volume for implant placement. The study aimed to fabricate and evaluate the physical, chemical, and biological performance of BPin vitro. The BP was fabricated through freeze-drying and layer-by-layer assembly, comprised of a base serving as a scaffold, a central portion for promoting bone regeneration, an upper buccal portion for maintaining alveolar socket dimension with a covering collagen membrane (Memb) on the top and upper buccal surface to prevent soft tissue infiltration. The BP as the experimental group and a pure collagen plug (CP) as the control group were investigated and compared. Radiograph, scanning electron microscopy, and energy-dispersive spectroscopy mapping confirmed that the four-part BP was successfully assembled and fabricated. Swelling rate analysis indicated that BP, CP, and Memb reached swelling equilibrium within 1 hour. BP exhibited a high remaining weight percentage in collagenase solution (68.81 ± 2.21% on day 90) and sustained calcium ion release, reaching the maximum 0.13 ± 0.04 mmol l-1on day 14. In biological assays, BP exhibited excellent cell proliferation (The OD value increased from 0.02 on day 1 to 0.23 on day 21.). The BP group exhibited higher alkaline phosphatase activity and osteocalcin content than the CP group within 21 days. Memb and BP exhibited outstanding barrier function, as evidenced by Hematoxylin and eosin staining. In summary, the multiphase bioactive socket plug represents a promising scaffold for alveolar ridge preservation application.
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Affiliation(s)
- Chao Yao
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Thailand
| | - Prisana Pripatnanont
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Thailand
| | - Junbiao Zhang
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
- Guiyang Hospital of Stomatology, Guiyang, 550002, People's Republic of China
| | - Srisurang Suttapreyasri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Thailand
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7
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Fares MM, Jabani ZH, Abu-Haniyi LA. Synthesis of novel bioadhesive hydrogels via facile Thiol-Ene click chemistry for wound healing applications. Int J Biol Macromol 2024; 270:132501. [PMID: 38763241 DOI: 10.1016/j.ijbiomac.2024.132501] [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: 12/19/2023] [Revised: 05/13/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
Development of outstanding, cost-effective and elastic hydrogels as bioadhesive using Thiol-Ene click chemistry was verified. The visible light photocrosslinkable hydrogels composed of methacrylated chitosan/2,2'-(Ethylenedioxy) diethanethiol formed in presence of eosin-Y photoinitiator. Such hydrogels hold great promise for wound healing applications due to their tunable properties. Main components of hydrogels were extensively characterized using spectroscopic techniques for chemical analysis, thermal analysis, and topologic nanostructure. Various optimization conditions for best gelation time were investigated. Mechanical properties of tensile strength and elongation at break (%) were verified for best wound healing applications. Optimum hydrogel was subjected to for cytotoxicity and microbial suppression evaluation and in-vivo wound healing test for efficient wound healing evaluations. Our results demonstrate the potential use of injectable hydrogels as valuable bioadhesives in bioengineering and biomedical applications, particularly in wound closure and patches.
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Affiliation(s)
- Mohammad M Fares
- Department of Chemistry, Faculty of Science & Arts, Jordan University of Science & Technology, P.O. Box 3030, 22110 Irbid, Jordan.
| | - Zaid H Jabani
- Department of Chemistry, Faculty of Science & Arts, Jordan University of Science & Technology, P.O. Box 3030, 22110 Irbid, Jordan
| | - Laith A Abu-Haniyi
- Faculty of Veterinary Medicine, Jordan University of Science & Technology, P.O. Box 3030, 22110 Irbid, Jordan
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Hadem H, Mitra A, Ojha AK, Rajasekaran R, Satpathy B, Das D, Mukherjee S, Dhara S, Das S, Das K. Electrophoretic Deposition of 58S Bioactive Glass- Polymer Composite Coatings on 316L Stainless Steel: An Optimization for Corrosion, Bioactivity, and Cytocompatibility. ACS APPLIED BIO MATERIALS 2024; 7:2966-2981. [PMID: 38652577 DOI: 10.1021/acsabm.4c00037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
This study presents a facile fabrication of 58S bioactive glass (BG)-polymer composite coatings on a 316L stainless steel (SS) substrate using the electrophoretic deposition technique. The suspension characteristics and deposition kinetics of BG, along with three different polymers, namely ethylcellulose (EC), poly(acrylic acid) (PAA), and polyvinylpyrrolidone (PVP), have been utilized to fabricate the coatings. Among all coatings, 58S BG and EC polymers are selected as the final composite coating (EC6) owing to their homogeneity and good adhesion. EC6 coating exhibits a thickness of ∼18 μm and an average roughness of ∼2.5 μm. Herein, EC6 demonstrates better hydroxyapatite formation compared to PAA and PVP coatings in simulated body fluid-based mineralization studies for a period of 28 days. Corrosion studies of EC6 in phosphate-buffered saline further confirm the higher corrosion resistance properties after 14 days. In vitro cytocompatibility studies using human placental mesenchymal stem cells demonstrate an increase in cellular viability, attachment, and higher proliferation compared to the bare SS substrate. EC6 coatings promote osteogenic differentiation, which is confirmed via the upregulation of the OPN and OCN genes. Moreover, the EC6 sample exhibits improved antibacterial properties against Escherichia coli and Staphylococcus aureus compared to the uncoated ones. The findings of this work emphasize the potential of electrophoretically fabricated BG-EC composite coatings on SS substrates for orthopedic applications.
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Affiliation(s)
- Hushnaara Hadem
- Structural Characterization of Materials Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
| | - Arijit Mitra
- Structural Characterization of Materials Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
| | - Atul Kumar Ojha
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Ragavi Rajasekaran
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
- Rajendra Mishra School of Engineering and Entrepreneurship, Indian Institute of Technology, Kharagpur 721302, India
| | - Bangmaya Satpathy
- Structural Characterization of Materials Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
| | - Debasish Das
- School of Nano Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Sayan Mukherjee
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Santanu Dhara
- School of Medical Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Siddhartha Das
- Structural Characterization of Materials Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
| | - Karabi Das
- Structural Characterization of Materials Laboratory, Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India
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García-Sobrino R, Ruiz-Blas I, García C, Reinecke H, Elvira C, Rodríguez-Hernández J, Martínez-Campos E, Gallardo A. Hydrogels with dual sensitivity to temperature and pH in physiologically relevant ranges as supports for versatile controlled cell detachment. BIOMATERIALS ADVANCES 2024; 159:213826. [PMID: 38479241 DOI: 10.1016/j.bioadv.2024.213826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/24/2024] [Accepted: 03/07/2024] [Indexed: 04/05/2024]
Abstract
Thermosensitive hydrogels based on the N-vinyl caprolactam (VCL), capable of allowing for cell adhesion and proliferation, as well as non-aggressive detachment by controlled temperature drop, were functionalized with 23 % or lower molar percentages of the cationizable hydrophobic unit 2-(diisopropylamino) ethyl methacrylate (DPAEMA), to obtain networks with dual sensitivity to temperature and pH. The swelling analysis of the systems has shown a transition pK (pKb) close to physiological values, dependent on the temperature of the medium (pKb of 6.6 and 6.9 when the temperature of the medium is above and below the transition temperature VPTT, respectively) and little dependence on the degree of functionalization of DPAEMA. In addition, at temperatures below the transition temperature (VPTT), the systems have shown large swelling variations as a function of the pH (i.e. below and above the pKb), exhibiting greater absorption capacity at pHs below pKb, where the DPAEMA units are cationized. Cytocompatibility and transplant capacity have been evaluated using the C166-GFP endothelial cell line. None of the thermosensitive hydrogels with variable DPAEMA content showed a delay with respect to the control without DPAEMA neither in terms of adhesion nor in proliferation. However, by increasing the percentage of DPAEMA functionalization -and decreasing thermosensitivity-, a correlative decrease in mitochondrial activity was obtained in the transplant, with significant differences for the hydrogels with DPAEMA molar percentage of 3 % or higher. Taking advantage of the proximity of the pKb to the physiological value, we have evaluated the cellular response and the capacity for transplantation after lowering the pH to 6.5, below pKb. A direct relationship of the DPAEMA functionalization degree on the detachment efficiency was observed, since the hydrogels with the highest molar load of DPAEMA showed higher mitochondrial metabolic activity after cell detachment.
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Affiliation(s)
- Rubén García-Sobrino
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain; Grupo de Síntesis Orgánica y Bioevaluación, Instituto Pluridisciplinar (IP), UCM, Unidad Asociada al CSIC por el ICTP y el IQM, Paseo de Juan XXIII 1, 28040 Madrid, Spain.
| | - Irene Ruiz-Blas
- Grupo de Síntesis Orgánica y Bioevaluación, Instituto Pluridisciplinar (IP), UCM, Unidad Asociada al CSIC por el ICTP y el IQM, Paseo de Juan XXIII 1, 28040 Madrid, Spain
| | - Carolina García
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Helmut Reinecke
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Carlos Elvira
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Juan Rodríguez-Hernández
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain
| | - Enrique Martínez-Campos
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain; Grupo de Síntesis Orgánica y Bioevaluación, Instituto Pluridisciplinar (IP), UCM, Unidad Asociada al CSIC por el ICTP y el IQM, Paseo de Juan XXIII 1, 28040 Madrid, Spain.
| | - Alberto Gallardo
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), CSIC, C/Juan de la Cierva 3, Madrid 28006, Spain
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10
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Bai Z, Zhao Y, Cui C, Yan J, Qin D, Tong J, Peng H, Liu Y, Sun L, Wu X, Li B, Li X. Multifaceted Materials for Enhanced Osteogenesis and Antimicrobial Properties on Bioplastic Polyetheretherketone Surfaces: A Review. ACS OMEGA 2024; 9:17784-17807. [PMID: 38680314 PMCID: PMC11044237 DOI: 10.1021/acsomega.4c00923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 05/01/2024]
Abstract
Implant-associated infections and the increasing number of bone implants loosening and falling off after implantation have become urgent global challenges, hence the need for intelligent alternative solutions to combat implant loosening and falling off. The application of polyetheretherketone (PEEK) in biomedical and medical therapy has aroused great interest, especially because its elastic modulus close to bone provides an effective alternative to titanium implants, thereby preventing the possibility of bone implants loosening and falling off due to the mismatch of elastic modulus. In this Review, we provide a comprehensive overview of recent advances in surface modifications to prevent bone binding deficiency and bacterial infection after implantation of bone implants, starting with inorganics for surface modification, followed by organics that can effectively promote bone integration and antimicrobial action. In addition, surface modifications derived from cells and related products of biological activity have been proposed, and there is increasing evidence of clinical potential. Finally, the advantages and future challenges of surface strategies against medical associated poor osseointegration and infection are discussed, with promising prospects for developing novel osseointegration and antimicrobial PEEK materials.
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Affiliation(s)
- Ziyang Bai
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Yifan Zhao
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Chenying Cui
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Jingyu Yan
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Danlei Qin
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Jiahui Tong
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Hongyi Peng
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Yingyu Liu
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Lingxiang Sun
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Xiuping Wu
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Bing Li
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
| | - Xia Li
- Shanxi
Medical University School and Hospital of Stomatology, Taiyuan, Shanxi 030001, China
- Shanxi
Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan, Shanxi 030001, China
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11
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Cui B, Bai T, Wu Q, Hu Y, Liu Y. Pre-implantation teriparatide administration improves initial implant stability and accelerates the osseointegration process in osteoporotic rats. Int J Implant Dent 2024; 10:18. [PMID: 38625587 PMCID: PMC11021383 DOI: 10.1186/s40729-024-00536-z] [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: 01/09/2024] [Accepted: 03/27/2024] [Indexed: 04/17/2024] Open
Abstract
PURPOSE Osteoporotic individuals who have dental implants usually require a prolonged healing time for osseointegration due to the shortage of bone mass and the lack of initial stability. Although studies have shown that intermittent teriparatide administration can promote osseointegration, there is little data to support the idea that pre-implantation administration is necessary and beneficial. METHODS Sixty-four titanium implants were placed in the bilateral proximal tibial metaphysis in 32 female SD rats. Bilateral ovariectomy (OVX) was used to induce osteoporosis. Four major groups (n = 8) were created: PRE (OVX + pre-implantation teriparatide administration), POST (OVX + post-implantation administration), OP (OVX + normal saline (NS)) and SHAM (sham rats + NS). Half of rats (n = 4) in each group were euthanized respectively at 4 weeks or 8 weeks after implantation surgery, and four major groups were divided into eight subgroups (PRE4 to SHAM8). Tibiae were collected for micro-CT morphometry, biomechanical test and undecalcified sections analysis. RESULTS Compared to OP group, rats in PRE and SHAM groups had a higher value of insertion torque (p < 0.05). The micro-CT analysis, biomechanical test, and histological data showed that peri-implant trabecular growth, implants fixation and bone-implant contact (BIC) were increased after 4 or 8 weeks of teriparatide treatment (p < 0.05). There was no statistically difference in those parameters between PRE4 and POST8 subgroups (p > 0.05). CONCLUSIONS In osteoporotic rats, post-implantation administration of teriparatide enhanced peri-implant bone formation and this effect was stronger as the medicine was taken longer. Pre-implantation teriparatide treatment improved primary implant stability and accelerated the osseointegration process.
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Affiliation(s)
- Boyu Cui
- Department of General Dentistry, Peking University School and Hospital of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Tianyi Bai
- Department of General Dentistry, Peking University School and Hospital of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Qiyou Wu
- Department of General Dentistry, Peking University School and Hospital of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yibo Hu
- Department of General Dentistry, Peking University School and Hospital of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yihong Liu
- Department of General Dentistry, Peking University School and Hospital of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, NHC Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Beijing, 100081, China.
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12
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Cohn N, Bradtmüller H, Zanotto E, von Marttens A, Covarrubias C. Novel Organic-Inorganic Nanocomposite Hybrids Based on Bioactive Glass Nanoparticles and Their Enhanced Osteoinductive Properties. Biomolecules 2024; 14:482. [PMID: 38672498 PMCID: PMC11047882 DOI: 10.3390/biom14040482] [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: 01/31/2024] [Revised: 03/15/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024] Open
Abstract
Inorganic-organic hybrid biomaterials have been proposed for bone tissue repair, with improved mechanical flexibility compared with scaffolds fabricated from bioceramics. However, obtaining hybrids with osteoinductive properties equivalent to those of bioceramics is still a challenge. In this work, we present for the first time the synthesis of a class II hybrid modified with bioactive glass nanoparticles (nBGs) with osteoinductive properties. The nanocomposite hybrids were produced by incorporating nBGs in situ into a polytetrahydrofuran (PTHF) and silica (SiO2) hybrid synthesis mixture using a combined sol-gel and cationic polymerization method. nBGs ~80 nm in size were synthesized using the sol-gel technique. The structure, composition, morphology, and mechanical properties of the resulting materials were characterized using ATR-FTIR, 29Si MAS NMR, SEM-EDX, AFM, TGA, DSC, mechanical, and DMA testing. The in vitro bioactivity and degradability of the hybrids were assessed in simulated body fluid (SBF) and PBS, respectively. Cytocompatibility with mesenchymal stem cells was assessed using MTS and cell adhesion assays. Osteogenic differentiation was determined using the alkaline phosphatase activity (ALP), as well as the gene expression of Runx2 and Osterix markers. Hybrids loaded with 5, 10, and 15% of nBGs retained the mechanical flexibility of the PTHF-SiO2 matrix and improved its ability to promote the formation of bone-like apatite in SBF. The nBGs did not impair cell viability, increased the ALP activity, and upregulated the expression of Runx2 and Osterix. These results demonstrate that nBGs are an effective osteoinductive nanoadditive for the production of class II hybrid materials with enhanced properties for bone tissue regeneration.
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Affiliation(s)
- Nicolás Cohn
- Departamento de Química, Facultad de Ciencias Naturales, Matemáticas y del Medio Ambiente, Universidad Tecnológica Metropolitana, Santiago 7800003, Chile
| | - Henrik Bradtmüller
- Center of Research, Technology and Education in Vitreous Materials, Department of Materials Engineering, Federal University of Sao Carlos, Sao Carlos 13565-905, SP, Brazil; (H.B.); (E.Z.)
| | - Edgar Zanotto
- Center of Research, Technology and Education in Vitreous Materials, Department of Materials Engineering, Federal University of Sao Carlos, Sao Carlos 13565-905, SP, Brazil; (H.B.); (E.Z.)
| | - Alfredo von Marttens
- Oral and Maxillofacial Implantology Program, Graduate School, Faculty of Dentistry, University of Chile, Santiago 7520355, Chile
| | - Cristian Covarrubias
- Laboratory of Nanobiomaterials, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago 8380544, Chile
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13
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Li Y, Zhang J, Li F. Gastrodin improves osteoblast function and adhesion to titanium surface in a high glucose environment. Biochem Biophys Rep 2024; 37:101623. [PMID: 38225991 PMCID: PMC10788200 DOI: 10.1016/j.bbrep.2023.101623] [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: 08/29/2023] [Revised: 11/27/2023] [Accepted: 12/18/2023] [Indexed: 01/17/2024] Open
Abstract
Objective To investigate the effects of gastrodin on the biological behavior of osteoblasts and osseointegration on the surface of the titanium plate in a high glucose environment, and to explore the possible regulatory mechanisms involved. Methods A high glucose-induced oxidative damage model of MC3T3-E1 cells was established in vitro to observe the effects of gastrodin on cellular oxidative stress, cell viability, osteogenic differentiation, mineralization, migration, and adhesion ability on the titanium surface. Results High glucose environment can cause oxidative stress damage to MC3T3-E1 cells, leading to a decrease in cell viability, osteogenesis, migration, adhesion and other functions. Gastrodin can upregulate the expression of antioxidant enzymes (Nrf2 and HO-1) and osteogenic differentiation related proteins (RUNX2 and BMP2) in MC3T3-E1 cells in high glucose environment, thereby inhibiting the excessive production of intracellular reactive oxygen species (ROS), reversing the decrease in cell viability, and improving the osteogenic differentiation and mineralization ability of osteoblasts. And gastrodin alleviated the decline in cell migration ability, improved the morphology of the cytoskeleton and increased the adhesion ability of osteoblasts on the surface of titanium plates in high glucose environment. However, gastrodin itself did not affect the cell viability, osteogenic differentiation and mineralization ability of osteoblasts in normal environment. Conclusions Gastrodin may protect MC3T3-E1 cells osteogenesis and osseointegration on the surface of the titanium plate in vitro by upregulating antioxidant enzymes expression, and attenuating high glucose-induced oxidative stress. Therefore, gastrodin may be a potential drug to address the problem of poor implant osseointegration in patients with diabetes.
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Affiliation(s)
- Yi Li
- Shanxi Medical University School of Stomatology, Taiyuan 030000, China
| | - Jingyi Zhang
- Shanxi Medical University School of Stomatology, Taiyuan 030000, China
| | - Fenglan Li
- Department of Prosthodontics, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan 030000, China
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14
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Liang C, Wang G, Liang C, Li M, Sun Y, Tian W, Liao L. Hierarchically patterned triple-layered gelatin-based electrospun membrane functionalized by cell-specific extracellular matrix for periodontal regeneration. Dent Mater 2024; 40:90-101. [PMID: 37923673 DOI: 10.1016/j.dental.2023.10.022] [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: 10/17/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVES Regenerating the periodontium poses a critical challenge in oral medicine. To repair various periodontal defects, it is necessary to adopt a bio-scaffold that provides both the architecture and bioactive cues for local stem cells to migrate, reside, proliferate, and differentiate. The objective of this study is to combine a cell-specific decellularized extracellular matrix (ECM) and a biomimetic electrospinning scaffold to regenerate severely destructed periodontium. METHODS SEM, water contact angle (WCA), live/dead staining, swelling ratio, tensile test and immune-fluorescent staining were used to define the suitable topography for certain dental stem cells seeding and culturing. Transwell assay, CCK-8, Alizarin Red staining and PCR immune-fluorescent staining were used to determine ideal cell-specific ECM for PDLSCs/BMSCs migration, viability, and oriented differentiation. A biodegradable triple-layered electrospun scaffold (TLS) was fabricated by electrospinning with aligned fibers on both surfaces and a polyporous structure in the middle. The morphology and inter-porous structure of the TLS were characterized by SEM and mercury intrusion porosimetry (MIP). The surface of the TLS was functionalized with cell-specific ECM (Bi-ECM-TLS) through decellularization of the cell sheets cultured on the scaffold. The regenerative outcome of Bi-ECM-TLS was assessed by an in-situ rat periodontal defect model. Micro-CT, HE-staining, Masson's trichome staining, Sirius Red staining and Immunofluorescent staining were used for histological analysis. RESULTS Aligned Gelatin/PCL fibrous membrane (GPA) was most effective for both PDLSCs and BMSCs in culture with WCA around 50 degrees and better mechanical strength than the rest. MSCs favored the same type of ECM (cell-specific ECM), and their regenerative properties were effectively induced with better chemotaxis, proliferative and differentiating behaviors. TLS characterization showed that TLS possessed aligned-random-aligned structure and inter-porous structure. In a rat model of periodontal defects, the TLS functionalized by BMSC-specific ECM for bone regeneration and PDLSC-specific ECM demonstrated highest BV/TV ratio, best bone structure and ligament fiber orientation and blood vessel formation, suggesting optimal performance in regenerating both alveolar bone and periodontal ligaments over TLS, single-ECM loaded TLS and r-Bi-ECM-TLS. SIGNIFICANCE This study highlights the importance of combining a cell-specific decellularized ECM and a biomimetic electrospinning scaffold for targeted periodontal tissue regeneration, with potential implications for periodontal tissue engineering and improved patient outcomes.
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Affiliation(s)
- Chao Liang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Guanyu Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Cheng Liang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Maojiao Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Yanping Sun
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Weidong Tian
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China.
| | - Li Liao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China.
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15
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Bradford JP, Hernandez-Moreno G, Pillai RR, Hernandez-Nichols AL, Thomas V. Low-Temperature Plasmas Improving Chemical and Cellular Properties of Poly (Ether Ether Ketone) Biomaterial for Biomineralization. MATERIALS (BASEL, SWITZERLAND) 2023; 17:171. [PMID: 38204023 PMCID: PMC10780010 DOI: 10.3390/ma17010171] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/12/2024]
Abstract
Osteoblastic and chemical responses to Poly (ether ether ketone) (PEEK) material have been improved using a variety of low-temperature plasmas (LTPs). Surface chemical properties are modified, and can be used, using low-temperature plasma (LTP) treatments which change surface functional groups. These functional groups increase biomineralization, in simulated body fluid conditions, and cellular viability. PEEK scaffolds were treated, with a variety of LTPs, incubated in simulated body fluids, and then analyzed using multiple techniques. First, scanning electron microscopy (SEM) showed morphological changes in the biomineralization for all samples. Calcein staining, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS) confirmed that all low-temperature plasma-treated groups showed higher levels of biomineralization than the control group. MTT cell viability assays showed LTP-treated groups had increased cell viability in comparison to non-LTP-treated controls. PEEK treated with triethyl phosphate plasma (TEP) showed higher levels of cellular viability at 82.91% ± 5.00 (n = 6) and mineralization. These were significantly different to both the methyl methacrylate (MMA) 77.38% ± 1.27, ethylene diamine (EDA) 64.75% ± 6.43 plasma-treated PEEK groups, and the control, non-plasma-treated group 58.80 ± 2.84. FTIR showed higher levels of carbonate and phosphate formation on the TEP-treated PEEK than the other samples; however, calcein staining fluorescence of MMA and TEP-treated PEEK had the highest levels of biomineralization measured by pixel intensity quantification of 101.17 ± 4.63 and 96.35 ± 3.58, respectively, while EDA and control PEEK samples were 89.53 ± 1.74 and 90.49 ± 2.33, respectively. Comparing different LTPs, we showed that modified surface chemistry has quantitatively measurable effects that are favorable to the cellular, biomineralization, and chemical properties of PEEK.
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Affiliation(s)
- John P. Bradford
- Polymer and Healthcare Material/Devices, Department of Mechanical and Materials Engineering, The University of Alabama, Birmingham, AL 35294, USA; (J.P.B.); (G.H.-M.); (R.R.P.)
| | - Gerardo Hernandez-Moreno
- Polymer and Healthcare Material/Devices, Department of Mechanical and Materials Engineering, The University of Alabama, Birmingham, AL 35294, USA; (J.P.B.); (G.H.-M.); (R.R.P.)
| | - Renjith R. Pillai
- Polymer and Healthcare Material/Devices, Department of Mechanical and Materials Engineering, The University of Alabama, Birmingham, AL 35294, USA; (J.P.B.); (G.H.-M.); (R.R.P.)
| | - Alexandria L. Hernandez-Nichols
- Department of Cellular and Molecular Pathology, Heersink School of Medicine, The University of Alabama, Birmingham, AL 35294, USA;
- Center for Free Radical Biology, The University of Alabama, Birmingham, AL 35294, USA
| | - Vinoy Thomas
- Polymer and Healthcare Material/Devices, Department of Mechanical and Materials Engineering, The University of Alabama, Birmingham, AL 35294, USA; (J.P.B.); (G.H.-M.); (R.R.P.)
- Department of Physics, Center for Nanoscale Materials and Bio-Integration (CNMB), The University of Alabama, Birmingham, AL 35294, USA
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16
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Kaewchuchuen J, Roamcharern N, Phuagkhaopong S, Bimbo LM, Seib FP. Microfibre-Functionalised Silk Hydrogels. Cells 2023; 13:10. [PMID: 38201214 PMCID: PMC10777932 DOI: 10.3390/cells13010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 01/12/2024] Open
Abstract
Silk hydrogels have shown potential for tissue engineering applications, but several gaps and challenges, such as a restricted ability to form hydrogels with tuned mechanics and structural features, still limit their utilisation. Here, Bombyx mori and Antheraea mylitta (Tasar) silk microfibres were embedded within self-assembling B. mori silk hydrogels to modify the bulk hydrogel mechanical properties. This approach is particularly attractive because it creates structured silk hydrogels. First, B. mori and Tasar microfibres were prepared with lengths between 250 and 500 μm. Secondary structure analyses showed high beta-sheet contents of 61% and 63% for B. mori and Tasar microfibres, respectively. Mixing either microfibre type, at either 2% or 10% (w/v) concentrations, into 3% (w/v) silk solutions during the solution-gel transition increased the initial stiffness of the resulting silk hydrogels, with the 10% (w/v) addition giving a greater increase. Microfibre addition also altered hydrogel stress relaxation, with the fastest stress relaxation observed with a rank order of 2% (w/v) > 10% (w/v) > unmodified hydrogels for either fibre type, although B. mori fibres showed a greater effect. The resulting data sets are interesting because they suggest that the presence of microfibres provided potential 'flow points' within these hydrogels. Assessment of the biological responses by monitoring cell attachment onto these two-dimensional hydrogel substrates revealed greater numbers of human induced pluripotent stem cell-derived mesenchymal stem cells (iPSC-MSCs) attached to the hydrogels containing 10% (w/v) B. mori microfibres as well as 2% (w/v) and 10% (w/v) Tasar microfibres at 24 h after seeding. Cytoskeleton staining revealed a more elongated and stretched morphology for the cells growing on hydrogels containing Tasar microfibres. Overall, these findings illustrate that hydrogel stiffness, stress relaxation and the iPSC-MSC responses towards silk hydrogels can be tuned using microfibres.
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Affiliation(s)
- Jirada Kaewchuchuen
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK (L.M.B.)
| | - Napaporn Roamcharern
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK (L.M.B.)
| | - Suttinee Phuagkhaopong
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK (L.M.B.)
- Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Luis M. Bimbo
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK (L.M.B.)
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - F. Philipp Seib
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK (L.M.B.)
- Fraunhofer Institute for Molecular Biology & Applied Ecology, Branch Bioresources, Ohlebergsweg 12, 35392 Giessen, Germany
- Institute of Pharmacy, Friedrich Schiller University Jena, Lessingstr. 8, 07743 Jena, Germany
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Manescu (Paltanea) V, Antoniac I, Antoniac A, Laptoiu D, Paltanea G, Ciocoiu R, Nemoianu IV, Gruionu LG, Dura H. Bone Regeneration Induced by Patient-Adapted Mg Alloy-Based Scaffolds for Bone Defects: Present and Future Perspectives. Biomimetics (Basel) 2023; 8:618. [PMID: 38132557 PMCID: PMC10742271 DOI: 10.3390/biomimetics8080618] [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: 11/14/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
Treatment of bone defects resulting after tumor surgeries, accidents, or non-unions is an actual problem linked to morbidity and the necessity of a second surgery and often requires a critical healthcare cost. Although the surgical technique has changed in a modern way, the treatment outcome is still influenced by patient age, localization of the bone defect, associated comorbidities, the surgeon approach, and systemic disorders. Three-dimensional magnesium-based scaffolds are considered an important step because they can have precise bone defect geometry, high porosity grade, anatomical pore shape, and mechanical properties close to the human bone. In addition, magnesium has been proven in in vitro and in vivo studies to influence bone regeneration and new blood vessel formation positively. In this review paper, we describe the magnesium alloy's effect on bone regenerative processes, starting with a short description of magnesium's role in the bone healing process, host immune response modulation, and finishing with the primary biological mechanism of magnesium ions in angiogenesis and osteogenesis by presenting a detailed analysis based on a literature review. A strategy that must be followed when a patient-adapted scaffold dedicated to bone tissue engineering is proposed and the main fabrication technologies are combined, in some cases with artificial intelligence for Mg alloy scaffolds, are presented with examples. We emphasized the microstructure, mechanical properties, corrosion behavior, and biocompatibility of each study and made a basis for the researchers who want to start to apply the regenerative potential of magnesium-based scaffolds in clinical practice. Challenges, future directions, and special potential clinical applications such as osteosarcoma and persistent infection treatment are present at the end of our review paper.
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Affiliation(s)
- Veronica Manescu (Paltanea)
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Iulian Antoniac
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
- Academy of Romanian Scientists, 54 Splaiul Independentei, RO-050094 Bucharest, Romania
| | - Aurora Antoniac
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
| | - Dan Laptoiu
- Department of Orthopedics and Trauma I, Colentina Clinical Hospital, 19-21 Soseaua Stefan cel Mare, RO-020125 Bucharest, Romania;
| | - Gheorghe Paltanea
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Robert Ciocoiu
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
| | - Iosif Vasile Nemoianu
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Lucian Gheorghe Gruionu
- Faculty of Mechanics, University of Craiova, 13 Alexandru Ioan Cuza, RO-200585 Craiova, Romania;
| | - Horatiu Dura
- Faculty of Medicine, Lucian Blaga University of Sibiu, RO-550169 Sibiu, Romania;
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18
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Guo J, Cao G, Wei S, Han Y, Xu P. Progress in the application of graphene and its derivatives to osteogenesis. Heliyon 2023; 9:e21872. [PMID: 38034743 PMCID: PMC10682167 DOI: 10.1016/j.heliyon.2023.e21872] [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: 05/19/2023] [Revised: 09/13/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
As bone and joint injuries from various causes become increasingly prominent, how to effectively reconstruct and repair bone defects presents a difficult problem for clinicians and researchers. In recent years, graphene and its derivatives have been the subject of growing body of research and have been found to promote the proliferation and osteogenic differentiation of stem cells. This provides a new idea for solving the clinical problem of bone defects. However, as as numerous articles address various aspects and have not been fully systematized, there is an urgent need to classify and summarize them. In this paper, for the first time, the effects of graphene and its derivatives on stem cells in solution, in 2D and 3D structures and in vivo and their possible mechanisms are reviewed, and the cytotoxic effects of graphene and its derivatives were summarized and analyzed. The toxicity of graphene and its derivatives is further reviewed. In addition, we suggest possible future development directions of graphene and its derivatives in bone tissue engineering applications to provide a reference for further clinical application.
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Affiliation(s)
- Jianbin Guo
- Department of Orthopedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Guihua Cao
- Department of Geriatrics, The First Affiliated Hospital of Air Force Military Medical University, Xi'an, China
| | - Song Wei
- Department of Orthopedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yisheng Han
- Department of Orthopedics, The First Affiliated Hospital of Air Force Military Medical University, Xi'an, China
| | - Peng Xu
- Department of Orthopedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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19
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Wang X, Zhang D, Peng H, Yang J, Li Y, Xu J. Optimize the pore size-pore distribution-pore geometry-porosity of 3D-printed porous tantalum to obtain optimal critical bone defect repair capability. BIOMATERIALS ADVANCES 2023; 154:213638. [PMID: 37812984 DOI: 10.1016/j.bioadv.2023.213638] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/27/2023] [Accepted: 09/22/2023] [Indexed: 10/11/2023]
Abstract
The treatment and reconstruction of large or critical size bone defects is a challenging clinical problem. Additive manufacturing breaks the technical difficulties of preparing complex conformation and anatomically matched personalized porous tantalum implants, but the ideal pore structure for 3D-printed porous tantalum in critical bone defect repair applications remains unclear. Guiding appropriate bone tissue regeneration by regulating proper pore size-pore distribution-pore geometry-porosity is a challenge for its fabrication and application. We fabricated porous tantalum (PTa) scaffolds with six different combinations of pore structures using powder bed laser melting (L-PBF) technology. In vitro biological experiments were conducted to systematically investigate the effects of pore structure characteristics on osteoblast behaviors, showing that the bionic trabecular structure with both large and small poress facilitated cell permeation, proliferation and differentiation compared to the cubic structure with uniform pore sizes. The osteogenesis of PTa with different porosity of trabecular structures was further investigated by a rabbit condyle critical bone defect model. Synthetically, T70% up-regulated the expression of osteogenesis-related genes (ALP, COLI, OCN, RUNX-2) and showed the highest bone ingrowth area and bone contact rate in vivo after 16 weeks, with the best potential for critical bone defect repair. Our results suggested that the bionic trabecular structure with a pore size distribution of 200-1200 μm, an average pore size of 700 μm, and a porosity of 70 % is the best choice for repairing critical bone defects, which is expected to guide the clinical application of clinical 3D-printed PTa scaffolds.
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Affiliation(s)
- Xueying Wang
- Biomaterials Laboratory of the Medical Device Inspection Institute, National Institutes for Food and Drug Control, Beijing, China; School of Material Science and Engineering, Beihang University, Beijing, China
| | - Dachen Zhang
- Shenzhen Dazhou Medical Technology Co., Ltd., Shenzhen, Guangdong, China
| | - Haitao Peng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Jingzhou Yang
- Shenzhen Dazhou Medical Technology Co., Ltd., Shenzhen, Guangdong, China; School of Mechanical and Automobile Engineering, Qingdao University of Technology, Qingdao, Shandong, China.
| | - Yan Li
- School of Material Science and Engineering, Beihang University, Beijing, China.
| | - Jianxia Xu
- Biomaterials Laboratory of the Medical Device Inspection Institute, National Institutes for Food and Drug Control, Beijing, China.
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20
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Sivakumar PM, Yetisgin AA, Demir E, Sahin SB, Cetinel S. Polysaccharide-bioceramic composites for bone tissue engineering: A review. Int J Biol Macromol 2023; 250:126237. [PMID: 37567538 DOI: 10.1016/j.ijbiomac.2023.126237] [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: 04/05/2023] [Revised: 07/05/2023] [Accepted: 08/07/2023] [Indexed: 08/13/2023]
Abstract
Limitations associated with conventional bone substitutes such as autografts, increasing demand for bone grafts, and growing elderly population worldwide necessitate development of unique materials as bone graft substitutes. Bone tissue engineering (BTE) would ensure therapy advancement, efficiency, and cost-effective treatment modalities of bone defects. One way of engineering bone tissue scaffolds by mimicking natural bone tissue composed of organic and inorganic phases is to utilize polysaccharide-bioceramic hybrid composites. Polysaccharides are abundant in nature, and present in human body. Biominerals, like hydroxyapatite are present in natural bone and some of them possess osteoconductive and osteoinductive properties. Ion doped bioceramics could substitute protein-based biosignal molecules to achieve osteogenesis, vasculogenesis, angiogenesis, and stress shielding. This review is a systemic summary on properties, advantages, and limitations of polysaccharide-bioceramic/ion doped bioceramic composites along with their recent advancements in BTE.
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Affiliation(s)
- Ponnurengam Malliappan Sivakumar
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey; Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; School of Medicine and Pharmacy, Duy Tan University, Da Nang 550000, Viet Nam.
| | - Abuzer Alp Yetisgin
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey; Sabanci University, Faculty of Engineering and Natural Sciences, Materials Science and Nano-Engineering Program, Istanbul 34956, Turkey
| | - Ebru Demir
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey; Sabanci University, Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Istanbul 34956, Turkey
| | - Sevilay Burcu Sahin
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey; Sabanci University, Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Istanbul 34956, Turkey
| | - Sibel Cetinel
- Nanotechnology Research and Application Center (SUNUM), Sabanci University, Istanbul 34956, Turkey; Sabanci University, Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program, Istanbul 34956, Turkey.
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21
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Tambone E, Ceresa C, Marchetti A, Chiera S, Anesi A, Nollo G, Caola I, Bosetti M, Fracchia L, Ghensi P, Tessarolo F. Rhamnolipid 89 Biosurfactant Is Effective against Streptococcus oralis Biofilm and Preserves Osteoblast Behavior: Perspectives in Dental Implantology. Int J Mol Sci 2023; 24:14014. [PMID: 37762317 PMCID: PMC10530769 DOI: 10.3390/ijms241814014] [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: 08/21/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Biofilm-related peri-implant diseases represent the major complication for osteointegrated dental implants, requiring complex treatments or implant removal. Microbial biosurfactants emerged as new antibiofilm coating agents for implantable devices thanks to their high biocompatibility. This study aimed to assess the efficacy of the rhamnolipid 89 biosurfactant (R89BS) in limiting Streptococcus oralis biofilm formation and dislodging sessile cells from medical grade titanium, but preserving adhesion and proliferation of human osteoblasts. The inhibitory activity of a R89BS coating on S. oralis biofilm formation was assayed by quantifying biofilm biomass and microbial cells on titanium discs incubated up to 72 h. R89BS dispersal activity was addressed by measuring residual biomass of pre-formed biofilms after rhamnolipid treatment up to 24 h. Adhesion and proliferation of human primary osteoblasts on R89BS-coated titanium were evaluated by cell count and adenosine-triphosphate quantification, while cell differentiation was studied by measuring alkaline phosphatase activity and observing mineral deposition. Results showed that R89BS coating inhibited S. oralis biofilm formation by 80% at 72 h and dislodged 63-86% of pre-formed biofilms in 24 h according to concentration. No change in the adhesion of human osteoblasts was observed, whereas proliferation was reduced accompanied by an increase in cell differentiation. R89BS effectively counteracts S. oralis biofilm formation on titanium and preserves overall osteoblasts behavior representing a promising preventive strategy against biofilm-related peri-implant diseases.
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Affiliation(s)
- Erica Tambone
- Department of Industrial Engineering & BIOtech, University of Trento, 38123 Trento, Italy; (E.T.); (S.C.); (G.N.); (F.T.)
| | - Chiara Ceresa
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (A.M.); (M.B.); (L.F.)
| | - Alice Marchetti
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (A.M.); (M.B.); (L.F.)
| | - Silvia Chiera
- Department of Industrial Engineering & BIOtech, University of Trento, 38123 Trento, Italy; (E.T.); (S.C.); (G.N.); (F.T.)
| | - Adriano Anesi
- Department of Laboratory Medicine, Azienda Provinciale per i Servizi Sanitari, 38122 Trento, Italy; (A.A.); (I.C.)
| | - Giandomenico Nollo
- Department of Industrial Engineering & BIOtech, University of Trento, 38123 Trento, Italy; (E.T.); (S.C.); (G.N.); (F.T.)
| | - Iole Caola
- Department of Laboratory Medicine, Azienda Provinciale per i Servizi Sanitari, 38122 Trento, Italy; (A.A.); (I.C.)
| | - Michela Bosetti
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (A.M.); (M.B.); (L.F.)
| | - Letizia Fracchia
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale “A. Avogadro”, 28100 Novara, Italy; (A.M.); (M.B.); (L.F.)
| | - Paolo Ghensi
- Department CIBIO, University of Trento, 38123 Trento, Italy;
| | - Francesco Tessarolo
- Department of Industrial Engineering & BIOtech, University of Trento, 38123 Trento, Italy; (E.T.); (S.C.); (G.N.); (F.T.)
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22
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Seemann S, Dubs M, Koczan D, Salapare HS, Ponche A, Pieuchot L, Petithory T, Wartenberg A, Staehlke S, Schnabelrauch M, Anselme K, Nebe JB. Response of Osteoblasts on Amine-Based Nanocoatings Correlates with the Amino Group Density. Molecules 2023; 28:6505. [PMID: 37764281 PMCID: PMC10534789 DOI: 10.3390/molecules28186505] [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: 07/28/2023] [Revised: 08/30/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
Increased life expectancy in industrialized countries is causing an increased incidence of osteoporosis and the need for bioactive bone implants. The integration of implants can be improved physically, but mainly by chemical modifications of the material surface. It was recognized that amino-group-containing coatings improved cell attachment and intracellular signaling. The aim of this study was to determine the role of the amino group density in this positive cell behavior by developing controlled amino-rich nanolayers. This work used covalent grafting of polymer-based nanocoatings with different amino group densities. Titanium coated with the positively-charged trimethoxysilylpropyl modified poly(ethyleneimine) (Ti-TMS-PEI), which mostly improved cell area after 30 min, possessed the highest amino group density with an N/C of 32%. Interestingly, changes in adhesion-related genes on Ti-TMS-PEI could be seen after 4 h. The mRNA microarray data showed a premature transition of the MG-63 cells into the beginning differentiation phase after 24 h indicating Ti-TMS-PEI as a supportive factor for osseointegration. This amino-rich nanolayer also induced higher bovine serum albumin protein adsorption and caused the cells to migrate slower on the surface after a more extended period of cell settlement as an indication of a better surface anchorage. In conclusion, the cell spreading on amine-based nanocoatings correlated well with the amino group density (N/C).
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Affiliation(s)
- Susanne Seemann
- Institute for Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany (J.B.N.)
| | - Manuela Dubs
- Department of Biomaterials, INNOVENT e.V., 07745 Jena, Germany; (M.D.); (A.W.); (M.S.)
| | - Dirk Koczan
- Department of Immunology, Rostock University Medical Center, 18057 Rostock, Germany;
| | - Hernando S. Salapare
- Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, Université de Haute-Alsace, UMR 7361, 68100 Mulhouse, France (A.P.); (L.P.); (T.P.); (K.A.)
| | - Arnaud Ponche
- Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, Université de Haute-Alsace, UMR 7361, 68100 Mulhouse, France (A.P.); (L.P.); (T.P.); (K.A.)
| | - Laurent Pieuchot
- Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, Université de Haute-Alsace, UMR 7361, 68100 Mulhouse, France (A.P.); (L.P.); (T.P.); (K.A.)
| | - Tatiana Petithory
- Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, Université de Haute-Alsace, UMR 7361, 68100 Mulhouse, France (A.P.); (L.P.); (T.P.); (K.A.)
| | - Annika Wartenberg
- Department of Biomaterials, INNOVENT e.V., 07745 Jena, Germany; (M.D.); (A.W.); (M.S.)
| | - Susanne Staehlke
- Institute for Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany (J.B.N.)
| | | | - Karine Anselme
- Institut de Science des Matériaux de Mulhouse (IS2M), CNRS, Université de Haute-Alsace, UMR 7361, 68100 Mulhouse, France (A.P.); (L.P.); (T.P.); (K.A.)
| | - J. Barbara Nebe
- Institute for Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany (J.B.N.)
- Department Life, Light & Matter, Interdisciplinary Faculty, University of Rostock, 18059 Rostock, Germany
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23
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Morandini L, Avery D, Angeles B, Winston P, Martin RK, Donahue HJ, Olivares-Navarrete R. Reduction of neutrophil extracellular traps accelerates inflammatory resolution and increases bone formation on titanium implants. Acta Biomater 2023; 166:670-684. [PMID: 37187302 PMCID: PMC10330750 DOI: 10.1016/j.actbio.2023.05.016] [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: 02/13/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
Neutrophils are the most abundant immune cells in the blood and the first cells to be recruited to the biomaterial implantation site. Neutrophils are fundamental in recruiting mononuclear leukocytes to mount an immune response at the injury site. Neutrophils exert significant pro-inflammatory effects through the release of cytokines and chemokines, degranulation and release of myeloperoxidase (MPO) and neutrophil elastase (NE), and the production of large DNA-based networks called neutrophil extracellular traps (NETs). Neutrophils are initially recruited and activated by cytokines and pathogen- and damage-associated molecular patterns, but little is known about how the physicochemical composition of the biomaterial affects their activation. This study aimed to understand how ablating neutrophil mediators (MPO, NE, NETs) affected macrophage phenotype in vitro and osseointegration in vivo. We discovered that NET formation is a crucial mediator of pro-inflammatory macrophage activation, and inhibition of NET formation significantly suppresses macrophage pro-inflammatory phenotype. Furthermore, reducing NET formation accelerated the inflammatory phase of healing and produced greater bone formation around the implanted biomaterial, suggesting that NETs are essential regulators of biomaterial integration. Our findings emphasize the importance of the neutrophil response to implanted biomaterials and highlight innate immune cells' regulation and amplification signaling during the initiation and resolution of the inflammatory phase of biomaterial integration. STATEMENT OF SIGNIFICANCE: Neutrophils are the most abundant immune cells in blood and are the first to be recruited to the injury/implantation site where they exert significant pro-inflammatory effects. This study aimed to understand how ablating neutrophil mediators affected macrophage phenotype in vitro and bone apposition in vivo. We found that NET formation is a crucial mediator of pro-inflammatory macrophage activation. Reducing NET formation accelerated the inflammatory phase of healing and produced greater appositional bone formation around the implanted biomaterial, suggesting that NETs are essential regulators of biomaterial integration.
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Affiliation(s)
- Lais Morandini
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Derek Avery
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Benjamin Angeles
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Paul Winston
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Rebecca K Martin
- Department of Microbiology and Immunology, School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Henry J Donahue
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Rene Olivares-Navarrete
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States.
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24
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Chen T, Jinno Y, Atsuta I, Tsuchiya A, Stocchero M, Bressan E, Ayukawa Y. Current surface modification strategies to improve the binding efficiency of emerging biomaterial polyetheretherketone (PEEK) with bone and soft tissue: A literature review. J Prosthodont Res 2023; 67:337-347. [PMID: 36372438 DOI: 10.2186/jpr.jpr_d_22_00138] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
PURPOSE The aim of this study was to review the literature on current surface modification strategies used to improve the binding efficiency of an emerging biological material, polyetheretherketone (PEEK), with bone and soft tissues. STUDY SELECTION This review was based on articles retrieved from PubMed, Google Scholar, Web of Science, and ScienceDirect databases. The main keywords used during the search were "polyetheretherketone (PEEK)," "implant," "surface modification," "biomaterials," "bone," "osseointegration," and "soft tissue." RESULTS The suitability of PEEK surface modification strategies has been critically analyzed and summarized here. Many cell and in vivo experiments in small animals have shown that the use of advanced modification technologies with appropriate surface modification strategies can effectively improve the surface inertness of PEEK, thereby improving its binding efficiency with bone and soft tissues. CONCLUSIONS Surface modifications of PEEK have revealed new possibilities for implant treatment; however, most results are based on in vitro or short-term in vivo evaluations in small animals. To achieve a broad application of PEEK in the field of oral implantology, more in vivo experiments and long-term clinical evaluations are needed to investigate the effects of various surface modifications on the tissue integration ability of PEEK to develop an ideal implant material.
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Affiliation(s)
- Tianjie Chen
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yohei Jinno
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Ikiru Atsuta
- Division of Advanced Dental Devices and Therapeutics, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Akira Tsuchiya
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Michele Stocchero
- Department of Oral and Maxillofacial Surgery and Oral Medicine, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Eriberto Bressan
- Department of Neurosciences, Section of Dentistry, University of Padova, Padova, Italy
| | - Yasunori Ayukawa
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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25
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Jones SE, Nichols L, Elder SH, Priddy LB. Laser microgrooving and resorbable blast texturing for enhanced surface function of titanium alloy for dental implant applications. BIOMEDICAL ENGINEERING ADVANCES 2023; 5:100090. [PMID: 37424696 PMCID: PMC10327652 DOI: 10.1016/j.bea.2023.100090] [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] [Indexed: 07/11/2023] Open
Abstract
Long-term dental implant success is dependent on biocompatibility and osseointegration between the bone and the implant. Surface modifications such as laser-induced microgrooving which increase contact area can enhance osseointegration by establishing and directing a stable attachment between the implant surface and peri-implant bone. The objective of this study was to evaluate pre-osteoblast proliferation, morphology, and differentiation on titanium alloy (Ti64) surfaces-Laser-Lok© (LL), resorbable blast textured (RBT), and machined (M)-compared to tissue culture plastic (TCP) control. We hypothesized the LL surfaces would facilitate increased cellular alignment compared to all other groups, and LL and RBT surfaces would demonstrate enhanced proliferation and differentiation compared to M and TCP surfaces. Surface roughness was quantified using a surface profilometer, and water contact angle was measured to evaluate the hydrophilicity of the surfaces. Cellular function was assessed using quantitative viability and differentiation assays and image analyses, along with qualitative fluorescent (viability and cytoskeletal) imaging and scanning electron microscopy. No differences in surface roughness were observed between groups. Water contact angle indicated LL was the least hydrophilic surface, with RBT and M surfaces exhibiting greater hydrophilicity. Cell proliferation on day 2 was enhanced on both LL and RBT surfaces compared to M, and all three groups had higher cell numbers on day 2 compared to day 1. Cell orientation was driven by the geometry of the surface modification, as cells were more highly aligned on LL surfaces compared to TCP (on day 2) and RBT (on day 3). At day 21, cell proliferation was greater on LL, RBT, and TCP surfaces compared to M, though no differences in osteogenic differentiation were observed. Collectively, our results highlight the efficacy of laser microgrooved and resorbable blast textured surface modifications of Ti64 for enhancing cellular functions, which may facilitate improved osseointegration of dental implants.
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Affiliation(s)
| | | | | | - Lauren B. Priddy
- Corresponding author: Department of Agricultural and Biological Engineering, Mississippi State University, 130 Creelman Street, Mississippi State, MS 39762, USA. (L.B. Priddy)
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26
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Donate R, Paz R, Quintana Á, Bordón P, Monzón M. Calcium Carbonate Coating of 3D-Printed PLA Scaffolds Intended for Biomedical Applications. Polymers (Basel) 2023; 15:polym15112506. [PMID: 37299304 DOI: 10.3390/polym15112506] [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: 03/30/2023] [Revised: 05/12/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
The incorporation of ceramic additives is the most commonly used strategy to improve the biofunctionality of polymer-based scaffolds intended for bone regeneration. By embedding ceramic particles as a coating, the functionality improvement in the polymeric scaffolds can be concentrated on the cell-surface interface, thus creating a more favourable environment for the adhesion and proliferation of osteoblastic cells. In this work, a pressure-assisted and heat-induced method to coat polylactic acid (PLA) scaffolds with calcium carbonate (CaCO3) particles is presented for the first time. The coated scaffolds were evaluated by optical microscopy observations, a scanning electron microscopy analysis, water contact angle measurements, compression testing, and an enzymatic degradation study. The ceramic particles were evenly distributed, covered more than 60% of the surface, and represented around 7% of the coated scaffold weight. A strong bonding interface was achieved, and the thin layer of CaCO3 (~20 µm) provided a significant increase in the mechanical properties (with a compression modulus improvement up to 14%) while also enhancing the surface roughness and hydrophilicity. The results of the degradation study confirmed that the coated scaffolds were able to maintain the pH of the media during the test (~7.6 ± 0.1), in contrast to the pure PLA scaffolds, for which a value of 5.07 ± 0.1 was obtained. The ceramic-coated scaffolds developed showed potential for further evaluations in bone tissue engineering applications.
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Affiliation(s)
- Ricardo Donate
- Departamento de Ingeniería Mecánica, Grupo de Investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas, Spain
| | - Rubén Paz
- Departamento de Ingeniería Mecánica, Grupo de Investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas, Spain
| | - Álvaro Quintana
- Departamento de Ingeniería Mecánica, Grupo de Investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas, Spain
| | - Pablo Bordón
- Departamento de Ingeniería Mecánica, Grupo de Investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas, Spain
| | - Mario Monzón
- Departamento de Ingeniería Mecánica, Grupo de Investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas, Spain
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27
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Zhang J, Ye X, Li W, Lin Z, Wang W, Chen L, Li Q, Xie X, Xu X, Lu Y. Copper-containing chitosan-based hydrogels enabled 3D-printed scaffolds to accelerate bone repair and eliminate MRSA-related infection. Int J Biol Macromol 2023; 240:124463. [PMID: 37076063 DOI: 10.1016/j.ijbiomac.2023.124463] [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: 11/22/2022] [Revised: 04/03/2023] [Accepted: 04/11/2023] [Indexed: 04/21/2023]
Abstract
Bone defect combined with drug-resistant bacteria-related infection is a thorny challenge in clinic. Herein, 3D-printed polyhydroxyalkanoates/β-tricalcium phosphate (PHA/β-TCP, PT) scaffolds were prepared by fused deposition modeling. Then copper-containing carboxymethyl chitosan/alginate (CA/Cu) hydrogels were integrated with the scaffolds via a facile and low-cost chemical crosslinking method. The resultant PT/CA/Cu scaffolds could not only promote proliferation but also osteogenic differentiation of preosteoblasts in vitro. Moreover, PT/CA/Cu scaffolds exhibited a strong antibacterial activity towards a broad-spectrum of bacteria including methicillin-resistant Staphylococcus aureus (MRSA) through inducing the intercellular generation of reactive oxygen species. In vivo experiments further demonstrated that PT/CA/Cu scaffolds significantly accelerated bone repair of cranial defects and efficiently eliminated MRSA-related infection, showing potential for application in infected bone defect therapy.
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Affiliation(s)
- Jinwei Zhang
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Xiangling Ye
- Department of Orthopedics, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, Jiangxi 330006, China; Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China; Department of Orthopedics, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, China
| | - Wenhua Li
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Zefeng Lin
- Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Wanshun Wang
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China
| | - Lingling Chen
- Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Qi Li
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiaobo Xie
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Xuemeng Xu
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China; Department of Orthopedics, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, China.
| | - Yao Lu
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China.
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Chen ZY, Zhou RB, Wang RD, Su SL, Zhou F. Dual-crosslinked network of polyacrylamide-carboxymethylcellulose hydrogel promotes osteogenic differentiation in vitro. Int J Biol Macromol 2023; 234:123788. [PMID: 36822291 DOI: 10.1016/j.ijbiomac.2023.123788] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023]
Abstract
In our previous study, we successfully designed a dual-crosslinked network hydrogel by introducing the monomers acrylamide (AM), carboxymethylcellulose (CMC), zeolitic imidazolate framework-8 (ZIF-8), and alendronate (Aln). With the simultaneous presentation of physical and chemical crosslinks, the fabricated hydrogel with 10 % concentration of Aln@ZIF-8 (PAM-CMC-10%Aln@ZIF-8) exhibited excellent mechanical characteristics, high Aln loading efficiency (63.83 %), and a slow release period (6 d). These results demonstrate that PAM-CMC-10%Aln@ZIF-8 is a potential carrier for delaying Aln. In this study, we mainly focused on the biocompatibility and osteogenic ability of PAM-CMC-10%Aln@ZIF-8 in vitro, which is a continuation of our previous work. First, this study investigated the biocompatibility of dual-crosslinked hydrogels using calcein-AM/Propidium Iodide and cell counting kit-8. The morphology of rat bone mesenchymal stem cells was assessed using FITC-phalloidin/DAPI and vinculin immunostaining. Finally, osteogenic induction ability in vitro was assessed via alkaline phosphatase expression and alizarin red S staining, which was also confirmed using real-time PCR at the gene level and immunofluorescence at the protein level. The results indicated that the introduction of Aln enabled a dual-crosslinked hydrogel with superior biocompatibility and outstanding osteogenic differentiation ability in vitro, providing a solid foundation for subsequent animal experiments in vivo.
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Affiliation(s)
- Zheng-Yang Chen
- Peking University Third Hospital, Department of Orthopaedics, China; Peking University Third Hospital, Engineering Research Center of Bone and Joint Precision Medicine, China
| | - Ru-Bing Zhou
- Peking University Third Hospital, Department of Orthopaedics, China; Peking University Third Hospital, Engineering Research Center of Bone and Joint Precision Medicine, China
| | - Rui-Deng Wang
- Peking University Third Hospital, Department of Orthopaedics, China; Peking University Third Hospital, Engineering Research Center of Bone and Joint Precision Medicine, China
| | - Shi-Long Su
- Peking University Third Hospital, Department of Orthopaedics, China; Peking University Third Hospital, Engineering Research Center of Bone and Joint Precision Medicine, China
| | - Fang Zhou
- Peking University Third Hospital, Department of Orthopaedics, China.
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Negut I, Bita B. Polymeric Micellar Systems-A Special Emphasis on "Smart" Drug Delivery. Pharmaceutics 2023; 15:976. [PMID: 36986837 PMCID: PMC10056703 DOI: 10.3390/pharmaceutics15030976] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Concurrent developments in anticancer nanotechnological treatments have been observed as the burden of cancer increases every year. The 21st century has seen a transformation in the study of medicine thanks to the advancement in the field of material science and nanomedicine. Improved drug delivery systems with proven efficacy and fewer side effects have been made possible. Nanoformulations with varied functions are being created using lipids, polymers, and inorganic and peptide-based nanomedicines. Therefore, thorough knowledge of these intelligent nanomedicines is crucial for developing very promising drug delivery systems. Polymeric micelles are often simple to make and have high solubilization characteristics; as a result, they seem to be a promising alternative to other nanosystems. Even though recent studies have provided an overview of polymeric micelles, here we included a discussion on the "intelligent" drug delivery from these systems. We also summarized the state-of-the-art and the most recent developments of polymeric micellar systems with respect to cancer treatments. Additionally, we gave significant attention to the clinical translation potential of polymeric micellar systems in the treatment of various cancers.
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Affiliation(s)
- Irina Negut
- National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, Magurele, 077125 Bucharest, Romania
| | - Bogdan Bita
- National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, Magurele, 077125 Bucharest, Romania
- Faculty of Physics, University of Bucharest, 077125 Măgurele, Romania
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30
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Xiang Y, Yan J, Bao X, Gleadall A, Roach P, Sun T. Evaluation of Polymeric Particles for Modular Tissue Cultures in Developmental Engineering. Int J Mol Sci 2023; 24:ijms24065234. [PMID: 36982306 PMCID: PMC10049291 DOI: 10.3390/ijms24065234] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Developmental engineering (DE) aims to culture mammalian cells on corresponding modular scaffolds (scale: micron to millimeter), then assemble these into functional tissues imitating natural developmental biology processes. This research intended to investigate the influences of polymeric particles on modular tissue cultures. When poly(methyl methacrylate) (PMMA), poly(lactic acid) (PLA) and polystyrene (PS) particles (diameter: 5-100 µm) were fabricated and submerged in culture medium in tissue culture plastics (TCPs) for modular tissue cultures, the majority of adjacent PMMA, some PLA but no PS particles aggregated. Human dermal fibroblasts (HDFs) could be directly seeded onto large (diameter: 30-100 µm) PMMA particles, but not small (diameter: 5-20 µm) PMMA, nor all the PLA and PS particles. During tissue cultures, HDFs migrated from the TCPs surfaces onto all the particles, while the clustered PMMA or PLA particles were colonized by HDFs into modular tissues with varying sizes. Further comparisons revealed that HDFs utilized the same cell bridging and stacking strategies to colonize single or clustered polymeric particles, and the finely controlled open pores, corners and gaps on 3D-printed PLA discs. These observed cell-scaffold interactions, which were then used to evaluate the adaptation of microcarrier-based cell expansion technologies for modular tissue manufacturing in DE.
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Affiliation(s)
- Yu Xiang
- Department of Materials, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
| | - Jiongyi Yan
- Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
| | - Xujin Bao
- Department of Materials, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
| | - Andrew Gleadall
- Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
| | - Paul Roach
- Department of Chemistry, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
| | - Tao Sun
- Department of Chemical Engineering, Loughborough University, Epinal Way, Loughborough LE11 3TU, UK
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31
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Liu J, Yang L, Zhang H, Zhang J, Hu Y. Effects of Allogeneic Bone Substitute Configurations on Cell Adhesion Process In Vitro. Orthop Surg 2023; 15:579-590. [PMID: 36453151 PMCID: PMC9891915 DOI: 10.1111/os.13395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/04/2022] [Accepted: 06/17/2022] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE To explore the potential effect of three allogenic bone substitute configurations on the viability, adhesion, and spreading of osteoblasts in vitro. METHODS Freeze-dried cortical bone were ground and fractions were divided into three groups with different sizes and shapes, defined as bone fiber (0.1 mm × 0.1 mm × 3 mm), bone powder (0.45-0.9 mm), and bone granule group (3-6 mm). MC3T3-E1 cells were divided and co-cultured within groups to induce cell adhesion. The configuration of allogenic bone was captured by scanning electron microscopy and confocal laser scanning microscopy, and substrate roughness values were quantified. Cell adhesion rate was assessed using the hemocyte counting method, cell viability was determined by CCK-8 assay and live/dead staining, and cell morphology was visualized by Phalloidin and DAPI, and the mRNA expression of adhesion-related gene (vinculin) of different substitutes were determined with quantitative real-time polymerase chain reaction. RESULTS The roughness values of bone fiber, bone powder, and bone granule group were 1.878 μm (1.578-2.415 μm), 5.066 μm (3.891-6.162 μm), and 0.860 μm (0.801-1.452 μm), respectively (bone powder group compared with bone granule group, H = 18.015, P < 0.001). Similar OD values of all groups in CCK-8 assay indicated good biocompatibility of these substitutes (bone fiber, 0.201 ± 0.004; bone powder, 0.206 ± 0.008; bone granule group, 0.197 ± 0.006; and the control group, 0.202 ± 0.016, F = 0.7152, P > 0.05). In addition, representative cell adhesion rates at 24 h showed significantly lower cell adhesion rate in bone fiber group (20.3 ± 1.6%) compared to bone powder (29.3 ± 4.4%) and bone granule group (27.3 ± 3.2%) (F = 10.51,P = 0.009 and P = 0.034, respectively), but there was no significant difference between the latter two groups (P > 0.05). Interestingly, the expression of vinculin mRNA steadily decreased in a time-dependent manner. The vinculin expression reached its peak at 6 h in each group, and the vinculin levels in bone fiber, bone powder, and bone granule group were 2.119 ± 0.052, 3.842 ± 0.108, and 3.585 ± 0.068 times higher than those in the control group, respectively (F = 733.643, all P < 0.001). Meanwhile, there was a significant difference in the expression of target gene between bone powder and bone granule group (P = 0.006). CONCLUSION All allogenic bone substitutes presented an excellent cell viability. Moreover, bone powder and bone granule group were more likely to promote cell adhesion and spreading compared to bone fiber group.
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Affiliation(s)
- Jie Liu
- Tianjin Medical UniversityTianjinChina
| | - Li Yang
- Tianjin Medical UniversityTianjinChina
| | - Hao Zhang
- Tianjin Medical UniversityTianjinChina
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Han J, Zheng X, Liu J, Wang Y, Cui Z, Wu S, Liang Y, Zhu S, Ge X, Li Z. Modification and evaluation of diatrizoate sodium containing polymethyl methacrylate bone cement. J Biomater Appl 2023; 37:1300-1314. [PMID: 36607821 DOI: 10.1177/08853282221150359] [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: 01/07/2023]
Abstract
Polymethyl methacrylate (PMMA) bone cement is now widely used in percutaneous vertebro plasty (PVP) and percutaneous kyphoplasty (PKP). However, studies showed that the radiopacifiers (zirconia, barium sulfate, etc.) added to PMMA will have a negative impact on its use, e.g. barium sulfate will weaken the mechanical properties of bone cement and lead to bone absorption and aseptic loosening. Iodine is an element existing in the human body and has good imaging performance. Iodine contrast agent has been used in clinic for many years and has abundant clinical data. Therefore, using iodine instead of barium sulfate may be a promising choice. In this paper, the effect of different content of diatrizoate sodium (DTA, C11H8I3N2NaO4) on the properties of PMMA was studied and compared with the traditional PMMA bone cement containing 30 wt% barium sulfate. The mechanical properties, setting properties, radiopacity, and biocompatibility of bone cement were evaluated. The compressive strength of PMMA bone cement with 20 wt% DTA can reach 76.38 MPa. DTA released from bone cement up to 14 days accounted for only 2.3% of its dosage. The water contact angle was 62.3°. The contrast of bone cement on X-ray film was comparable to that of bone cement containing 30 wt% barium. The hemolysis rate was lower than 4%, and there was no obvious hemolysis. PMMA with 20 wt% DTA can maintain the relative growth rate of MC3T3-E1 and L929 cells above 80%. The results show that adding 20 wt% DTA into PMMA can obtain good radiopacity while maintaining its mechanical properties, setting properties, and biocompatibility. DTA can be used as a promising candidate material for PMMA bone cement radiopacifier.
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Affiliation(s)
- Jintong Han
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Xiaoqiang Zheng
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Jingyu Liu
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Yifan Wang
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Zhenduo Cui
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Shuilin Wu
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Yanqin Liang
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Shengli Zhu
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
| | - Xiang Ge
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, School of Mechanical Engineering, 530428Tianjin University, Tianjin, China
| | - Zhaoyang Li
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, 530428Tianjin University, Tianjin, China
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Jiang Z, Li N, Shao Q, Zhu D, Feng Y, Wang Y, Yu M, Ren L, Chen Q, Yang G. Light-controlled scaffold- and serum-free hard palatal-derived mesenchymal stem cell aggregates for bone regeneration. Bioeng Transl Med 2023; 8:e10334. [PMID: 36684075 PMCID: PMC9842060 DOI: 10.1002/btm2.10334] [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: 01/09/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 01/25/2023] Open
Abstract
Cell aggregates that mimic in vivo cell-cell interactions are promising and powerful tools for tissue engineering. This study isolated a new, easily obtained, population of mesenchymal stem cells (MSCs) from rat hard palates named hard palatal-derived mesenchymal stem cells (PMSCs). The PMSCs were positive for CD90, CD44, and CD29 and negative for CD34, CD45, and CD146. They exhibited clonogenicity, self-renewal, migration, and multipotent differentiation capacities. Furthermore, this study fabricated scaffold-free 3D aggregates using light-controlled cell sheet technology and a serum-free method. PMSC aggregates were successfully constructed with good viability. Transplantation of the PMSC aggregates and the PMSC aggregate-implant complexes significantly enhanced bone formation and implant osseointegration in vivo, respectively. This new cell resource is easy to obtain and provides an alternative strategy for tissue engineering and regenerative medicine.
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Affiliation(s)
- Zhiwei Jiang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Na Li
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Qin Shao
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Danji Zhu
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Yuting Feng
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Yang Wang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Mengjia Yu
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Lingfei Ren
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Qianming Chen
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Guoli Yang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina
- Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina
- Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
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Zanut A, Li R, Deng R, Liu X, Rejhon M, Chen W, Weck M, de Peppo GM, Riedo E. A Polymer Canvas with the Stiffness of the Bone Matrix to Study and Control Mesenchymal Stem Cell Response. Adv Healthc Mater 2022; 12:e2201503. [PMID: 36565136 DOI: 10.1002/adhm.202201503] [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: 06/22/2022] [Revised: 11/30/2022] [Indexed: 12/25/2022]
Abstract
Reproducing in vitro the complex multiscale physical features of human tissues creates novel biomedical opportunities and fundamental understanding of cell-environment interfaces and interactions. While stiffness has been recognized as a key driver of cell behavior, systematic studies on the role of stiffness have been limited to values in the KPa-MPa range, significantly below the stiffness of bone. Here, a platform enabling the tuning of the stiffness of a biocompatible polymeric interface up to values characteristic of human bone is reported, which are in the GPa range, by using extremely thin polymer films on glass and cross-linking the films using ultraviolet (UV) light irradiation. It is shown that a higher stiffness is related to better adhesion, proliferation, and osteogenic differentiation, and that it is possible to switch on/off cell attachment and growth by solely tuning the stiffness of the interface, without any surface chemistry or topography modification. Since the stiffness is tuned directly by UV irradiation, this platform is ideal for rapid and simple fabrication of stiffness patterns and gradients, thus representing an innovative tool for combinatorial studies of the synergistic effect of tissue environmental cues on cell behavior, and creates new opportunities for next-generation biosensors, single-cell patterning, and lab-on-a-chip devices.
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Affiliation(s)
- Alessandra Zanut
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
| | - Rui Li
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
| | - Ru Deng
- Department of Chemistry, New York University, Silver Center Block, 100 Washington Square E, New York, NY, 10003, USA
| | - Xiangyu Liu
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
| | - Martin Rejhon
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
| | - Weiqiang Chen
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
| | - Marcus Weck
- Department of Chemistry, New York University, Silver Center Block, 100 Washington Square E, New York, NY, 10003, USA
| | - Giuseppe Maria de Peppo
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA.,The New York Stem Cell Foundation Research Institute, 619 West 54th Street, New York, NY, 10019, USA.,Mirimus, Inc, 760 Parkside Ave, Brooklyn, NY, 11226, USA
| | - Elisa Riedo
- Tandon School of Engineering, New York University, 6 Metrotech, Brooklyn, NY, 11201, USA
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Bahraminasab M, Doostmohammadi N, Talebi A, Arab S, Alizadeh A, Ghanbari A, Salati A. 3D printed polylactic acid/gelatin-nano-hydroxyapatite/platelet-rich plasma scaffold for critical-sized skull defect regeneration. Biomed Eng Online 2022; 21:86. [PMID: 36503442 PMCID: PMC9743557 DOI: 10.1186/s12938-022-01056-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Three-dimensional (3D) printing is a capable approach for the fabrication of bone tissue scaffolds. Nevertheless, a purely made scaffold such as polylactic acid (PLA) may suffer from shortcomings and be restricted due to its biological behavior. Gelatin, hydroxyapatite and platelet-rich plasma (PRP) have been revealed to be of potential to enhance the osteogenic effect. In this study, it was tried to improve the properties of 3D-printed PLA scaffolds by infilling them with gelatin-nano-hydroxyapatite (PLA/G-nHA) and subsequent coating with PRP. For comparison, bare PLA and PLA/G-nHA scaffolds were also fabricated. The printing accuracy, the scaffold structural characterizations, mechanical properties, degradability behavior, cell adhesion, mineralization, systemic effect of the scaffolds on the liver enzymes, osteocalcin level in blood serum and in vivo bone regeneration capability in rat critical-sized calvaria defect were evaluated. RESULTS High printing accuracy (printing error of < 11%) was obtained for all measured parameters including strut thickness, pore width, scaffold density and porosity%. The highest mean ultimate compression strength (UCS) was associated with PLA/G-nHA/PRP scaffolds, which was 10.95 MPa. A slow degradation rate was observed for all scaffolds. The PLA/G-nHA/PRP had slightly higher degradation rate, possibly due to PRP release, with burst release occurred at week 4. The MTT results showed that PLA/G-nHA/PRP provided the highest cell proliferation at all time points, and the serum biochemistry (ALT and AST level) results indicated no abnormal/toxic influence caused by scaffold biomaterials. Superior cell adhesion and mineralization were obtained for PLA/G-nHA/PRP. Furthermore, all the developed scaffolds showed bone repair capability. The PLA/G-nHA/PRP scaffolds could better support bone regeneration than bare PLA and PLA/G-nHA scaffolds. CONCLUSION The PLA/G-nHA/PRP scaffolds can be considered as potential for hard tissue repair.
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Affiliation(s)
- Marjan Bahraminasab
- grid.486769.20000 0004 0384 8779Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran ,grid.486769.20000 0004 0384 8779Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Nesa Doostmohammadi
- grid.486769.20000 0004 0384 8779Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran ,grid.412475.10000 0001 0506 807XFaculty of Metallurgical and Materials Engineering, Semnan University, Semnan, Iran
| | - Athar Talebi
- grid.486769.20000 0004 0384 8779Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Samaneh Arab
- grid.486769.20000 0004 0384 8779Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran ,grid.486769.20000 0004 0384 8779Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Akram Alizadeh
- grid.486769.20000 0004 0384 8779Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran ,grid.486769.20000 0004 0384 8779Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Ghanbari
- grid.486769.20000 0004 0384 8779Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran
| | - Amir Salati
- grid.486769.20000 0004 0384 8779Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran ,grid.486769.20000 0004 0384 8779Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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Mohd Razali NA, Lin WC. Accelerating the excisional wound closure by using the patterned microstructural nanofibrous mats/gentamicin-loaded hydrogel composite scaffold. Mater Today Bio 2022; 16:100347. [PMID: 35813981 PMCID: PMC9263994 DOI: 10.1016/j.mtbio.2022.100347] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/10/2022] [Accepted: 06/27/2022] [Indexed: 02/07/2023] Open
Abstract
Ideal artificial tissue scaffolds should provide an in vitro microenvironment comparable to native human skin tissue to direct cell functions, regulate tissue homeostasis, and promote tissue regeneration. A sandwich-like composite scaffold consisting of a hydrogel layer and two aligned nanofibre layers was fabricated and applied as a wound-healing dressing. Gentamicin was preloaded into the hydrogel middle layer and naturally released for antibacterial activity during the healing period. Nanofibrous layers embedded on the top and bottom surfaces of the hydrogel improved the tensile strength fivefold (1560 kPa and 465% strain) while serving as a diffusion barrier to reduce the gentamicin initial burst release (30%–15%). Inspired by the extracellular matrix (ECM), the surface of nanofibre top layer was patterned with triangular microarrays using micro-moulding approach to reflect the multidimensional structure of ECM. Biocompatibility of the scaffold is proven from cytotoxicity and haemolysis studies. Fibroblast cells revealed a highly elongated and consistent alignment modulated by the micropatterned fibrous layer and directed their migration towards the wound area. Excisional wounds treated with the scaffold promoted 97.49% wound closure with low inflammation and rapid re-epithelialization and angiogenesis. This scaffold, with its tailored functionality capable of accelerating wound healing, has high potential in tissue engineering applications.
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Shirazi S, Ravindran S, Cooper LF. Topography-mediated immunomodulation in osseointegration; Ally or Enemy. Biomaterials 2022; 291:121903. [PMID: 36410109 PMCID: PMC10148651 DOI: 10.1016/j.biomaterials.2022.121903] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Osteoimmunology is at full display during endosseous implant osseointegration. Bone formation, maintenance and resorption at the implant surface is a result of bidirectional and dynamic reciprocal communication between the bone and immune cells that extends beyond the well-defined osteoblast-osteoclast signaling. Implant surface topography informs adherent progenitor and immune cell function and their cross-talk to modulate the process of bone accrual. Integrating titanium surface engineering with the principles of immunology is utilized to harness the power of immune system to improve osseointegration in healthy and diseased microenvironments. This review summarizes current information regarding immune cell-titanium implant surface interactions and places these events in the context of surface-mediated immunomodulation and bone regeneration. A mechanistic approach is directed in demonstrating the central role of osteoimmunology in the process of osseointegration and exploring how regulation of immune cell function at the implant-bone interface may be used in future control of clinical therapies. The process of peri-implant bone loss is also informed by immunomodulation at the implant surface. How surface topography is exploited to prevent osteoclastogenesis is considered herein with respect to peri-implant inflammation, osteoclastic precursor-surface interactions, and the upstream/downstream effects of surface topography on immune and progenitor cell function.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA.
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA
| | - Lyndon F Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA, USA.
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Liu Z, Kawagoe D, Tagaya M. Nanospacial effect of citric acid-coordinated hydroxyapatite nanoparticle films on protein adsorption and cell adhesion states. J Mater Chem B 2022; 10:9599-9606. [PMID: 36128985 DOI: 10.1039/d2tb01240e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Hydroxyapatite (HA) and citric acid (Cit)-coordinated HA (Cit/HA) nanoparticle films with different nanospaces were used to examine the nanospacial effect on the protein adsorption behavior and initial osteoblast-like cell adhesion ability through the premise of the stability and ionic dissociation characteristics of the films in biological solution. In particular, the Cit/HA nanoparticle film with a nanospace of 4.2 nm could realize massive and stereoscopic adsorption of proteins due to its larger specific surface area and smaller nanospace as compared with the case of the HA nanoparticle film. It was also found that the α-helix and (β-sheet + β-turn) component ratios of the adsorbed fetal bovine serum proteins on the Cit/HA nanoparticle films increased as compared with the case of the HA nanoparticle film through the secondary structure analysis of the adsorbed proteins, which contributed to the good initial cell culture properties on the film surfaces. Therefore, we successfully realized the control of protein adsorption states using different nanospacial HA and Cit/HA nanoparticle films to achieve excellent initial cell culture properties, which would provide new insights into the creation of novel cell culture substrate surfaces in the regenerative medicine fields.
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Affiliation(s)
- Zizhen Liu
- Department of Materials Science and Technology, Graduate School of Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan.
| | - Daisuke Kawagoe
- Department of Materials Chemistry and Bioengineering, Oyama National College of Technology, 771 Nakakuki, Oyama, Tochigi 323-0806, Japan
| | - Motohiro Tagaya
- Department of Materials Science and Technology, Graduate School of Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan.
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Li Y, Li F. Mechanism and Prospect of Gastrodin in Osteoporosis, Bone Regeneration, and Osseointegration. Pharmaceuticals (Basel) 2022; 15:1432. [PMID: 36422561 PMCID: PMC9698149 DOI: 10.3390/ph15111432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/14/2023] Open
Abstract
Gastrodin, a traditional Chinese medicine ingredient, is widely used to treat vascular and neurological diseases. However, recently, an increasing number of studies have shown that gastrodin has anti-osteoporosis effects, and its mechanisms of action include its antioxidant effect, anti-inflammatory effect, and anti-apoptotic effect. In addition, gastrodin has many unique advantages in promoting bone healing in tissue engineering, such as inducing high hydrophilicity in the material surface, its anti-inflammatory effect, and pro-vascular regeneration. Therefore, this paper summarized the effects and mechanisms of gastrodin on osteoporosis and bone regeneration in the current research. Here we propose an assumption that the use of gastrodin in the surface loading of oral implants may greatly promote the osseointegration of implants and increase the success rate of implants. In addition, we speculated on the potential mechanisms of gastrodin against osteoporosis, by affecting actin filament polymerization, renin-angiotensin system (RAS) and ferroptosis, and proposed that the potential combination of gastrodin with Mg2+, angiotensin type 2 receptor blockers or artemisinin may greatly inhibit osteoporosis. The purpose of this review is to provide a reference for more in-depth research and application of gastrodin in the treatment of osteoporosis and implant osseointegration in the future.
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Affiliation(s)
| | - Fenglan Li
- Department of Prosthodontics, Shanxi Provincial People’s Hospital, Shanxi Medical University, Taiyuan 030000, China
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Mota J, Bravo C, Santos C, Alves PC, Rijo P, Antunes AM, Grenho L, Helena Fernandes M, Alves MM, André V. Eco-friendly fabricated multibioactive Ca(II)-antibiotic coordination framework coating on zinc towards improved bone tissue regeneration. Colloids Surf B Biointerfaces 2022; 221:113008. [DOI: 10.1016/j.colsurfb.2022.113008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
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In Vitro and In Vivo Studies of Hydrogenated Titanium Dioxide Nanotubes with Superhydrophilic Surfaces during Early Osseointegration. Cells 2022; 11:cells11213417. [DOI: 10.3390/cells11213417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/23/2022] [Accepted: 10/26/2022] [Indexed: 11/17/2022] Open
Abstract
Titanium-based implants are often utilized in oral implantology and craniofacial reconstructions. However, the biological inertness of machined titanium commonly results in unsatisfactory osseointegration. To improve the osseointegration properties, we modified the titanium implants with nanotubular/superhydrophilic surfaces through anodic oxidation and thermal hydrogenation and evaluated the effects of the machined surfaces (M), nanotubular surfaces (Nano), and hydrogenated nanotubes (H-Nano) on osteogenesis and osseointegration in vitro and in vivo. After incubation of mouse bone marrow mesenchymal stem cells on the samples, we observed improved cell adhesion, alkaline phosphatase activity, osteogenesis-related gene expression, and extracellular matrix mineralization in the H-Nano group compared to the other groups. Subsequent in vivo studies indicated that H-Nano implants promoted rapid new bone regeneration and osseointegration at 4 weeks, which may be attributed to the active osteoblasts adhering to the nanotubular/superhydrophilic surfaces. Additionally, the Nano group displayed enhanced osteogenesis in vitro and in vivo at later stages, especially at 8 weeks. Therefore, we report that hydrogenated superhydrophilic nanotubes can significantly accelerate osteogenesis and osseointegration at an early stage, revealing the considerable potential of this implant modification for clinical applications.
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Mei N, Wu Y, Chen B, Zhuang T, Yu X, Sui B, Ding T, Liu X. 3D-printed mesoporous bioactive glass/GelMA biomimetic scaffolds for osteogenic/cementogenic differentiation of periodontal ligament cells. Front Bioeng Biotechnol 2022; 10:950970. [PMID: 36329698 PMCID: PMC9623086 DOI: 10.3389/fbioe.2022.950970] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 10/04/2022] [Indexed: 11/25/2023] Open
Abstract
Integrated regeneration of periodontal tissues remains a challenge in current clinical applications. Due to the tunable physical characteristics and the precise control of the scaffold microarchitecture, three-dimensionally (3D) printed gelatin methacryloyl (GelMA)-based scaffold has emerged as a promising strategy for periodontal tissue regeneration. However, the optimization of the printing biomaterial links the formulation and the relationship between the composition and structures of the printed scaffolds and their comprehensive properties (e.g. mechanical strength, degradation, and biological behaviors) remains unclear. Here, in this work, a novel mesoporous bioactive glass (BG)/GelMA biomimetic scaffold with a large pore size (∼300 μm) was developed by extrusion-based 3D printing. Our results showed that the incorporation of mesoporous bioactive glass nanoparticles (BG NPs) significantly improved shape fidelity, surface roughness, and bioactivity of 3D-printed macroporous GelMA scaffolds, resulting in the enhanced effects on cell attachment and promoting osteogenic/cementogenic differentiation in human periodontal ligament cells. The excellent maintenance of the macropore structure, the visibly improved cells spreading, the release of bioactive ions (Si4+, Ca2+), the upregulation of gene expressions of osteogenesis and cementogensis, and the increase in alkaline phosphatase (ALP) activity and calcium nodules suggested that BG NPs could endow GelMA-based scaffolds with excellent structural stability and the ability to promote osteogenic/cementogenic differentiation. Our findings demonstrated the great potential of the newly formulated biomaterial inks and biomimetic BG/GelMA scaffolds for being used in periodontal tissue regeneration and provide important insights into the understanding of cell-scaffold interaction in promoting the regeneration of functional periodontal tissues.
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Affiliation(s)
- Nianrou Mei
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Yiwen Wu
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Binglin Chen
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Tian Zhuang
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Xinge Yu
- School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
- Department of Oral and Cranio-maxillofacial Science, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Baiyan Sui
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Tingting Ding
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Xin Liu
- Department of Dental Materials, Shanghai Biomaterials Research & Testing Center, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
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Zhou Y, Wang G, Wang T, Wang J, Wen X, Sun H, Yu L, Liu X, Zhang J, Zhou Q, Sun Y. Multidynamic Osteogenic Differentiation by Effective Polydopamine Micro-Arc Oxide Manipulations. Int J Nanomedicine 2022; 17:4773-4790. [PMID: 36246934 PMCID: PMC9553511 DOI: 10.2147/ijn.s378387] [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: 06/22/2022] [Accepted: 09/06/2022] [Indexed: 11/05/2022] Open
Abstract
Introduction The nanostructural modification of the oral implant surface can effectively mimic the morphology of natural bone tissue, allowing osteoblasts to achieve both proliferation and differentiation capabilities at the bone interface of the dental implant. To improve the osteoinductive activity on the surface of titanium implants for rapid osseointegration, we prepared a novel composite coating (MAO-PDA-NC) by micro-arc oxidation technique and immersion method and evaluated the proliferation, adhesion, and osteogenic differentiation of osteoblasts on this coating. Methods The coatings were prepared by micro-arc oxidation (MAO) technique and immersion method, and characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM) for different coatings; the loading of PDA was examined using Fourier transform infrared spectroscopy (FTIR); the ion release capacity of the coatings was determined by inductively coupled plasma emission spectrometry (ICP-OES); the interfacial bonding of the coatings was examined using nanoscratch experiment strength. The cytotoxicity of the coating was examined by live/dead staining kit; cell proliferation viability was examined by CCK-8 kit; adhesion and osteogenic effect of the coating were examined by immunofluorescence staining and RT-PCR; osteogenic differentiation was examined by alkaline phosphatase staining. Results The surface morphology of titanium implants was modified by micro-arc oxidation technology, and a new MAO-PDA-NC composite coating was successfully prepared. The results showed that the MAO-PDA-NC coating not only optimized the physical and chemical properties of the titanium implant surface but also significantly stimulated the biological properties of osteoblast adhesion, proliferation, and osteogenic differentiation on the coating surface. Conclusion These results show that MAO-PDA-NC composite coating can significantly improve the surface properties of titanium implants and achieve a stable bond between implant and bone tissue, thus accelerating early osseointegration.
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Affiliation(s)
- Yuqi Zhou
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China
| | - Guifang Wang
- Department of Prosthodontics, Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, People’s Republic of China
| | - Tianqi Wang
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China
| | - Jiajia Wang
- Department of Oral Surgery, Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, People’s Republic of China
| | - Xutao Wen
- Department of Oral Surgery, Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, People’s Republic of China
| | - Haishui Sun
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China
| | - Lei Yu
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China
| | - Xiaoying Liu
- School of Bioscience and Technology, Weifang Medical University, Weifang, People’s Republic of China
| | - Juanjuan Zhang
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China
| | - Qin Zhou
- Department of Oral Surgery, Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, People’s Republic of China,Correspondence: Qin Zhou, Department of Oral Surgery, Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011,People’s Republic of China, Tel +86 15900827810, Email
| | - Yan Sun
- School of Stomatology, Weifang Medical University, Weifang, People’s Republic of China,Yan Sun, School of Stomatology, Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China, Tel +86 13356797219, Email
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Liang C, Liu X, Yan Y, Sun R, Li J, Geng W. Effectiveness and Mechanisms of Low-Intensity Pulsed Ultrasound on Osseointegration of Dental Implants and Biological Functions of Bone Marrow Mesenchymal Stem Cells. Stem Cells Int 2022; 2022:7397335. [PMID: 36199628 PMCID: PMC9529500 DOI: 10.1155/2022/7397335] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/09/2022] [Indexed: 11/27/2022] Open
Abstract
Dental implant restoration is the preferred choice for patients with dentition defects or edentulous patients, and obtaining stable osseointegration is the determining factor for successful implant healing. The risk of implant failure during the healing stage is still an urgent problem in clinical practice due to differences in bone quality at different implant sites and the impact of some systemic diseases on bone tissue metabolism. Low-intensity pulsed ultrasound (LIPUS) is a noninvasive physical intervention method widely recognized in the treatment of bone fracture and joint damage repair. Moreover, many studies indicated that LIPUS could effectively promote the osseointegration of dental implants and improve the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). This review is aimed at investigating the research progress on the use of LIPUS in dental implant medicine from three aspects: (1) discuss the promoting effects of LIPUS on osseointegration and peri-implant bone regeneration, (2) summarize the effects and associated mechanisms of LIPUS on the biological functions of BMSCs, and (3) introduce the application and prospects of LIPUS in the clinical work of dental implantation. Although many challenges need to be overcome in the future, LIPUS is bound to be an efficient and convenient therapeutic method to improve the dental implantation success rate and expand clinical implant indications.
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Affiliation(s)
- Chao Liang
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Xiu Liu
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Yuwei Yan
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Rongxin Sun
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Jun Li
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Wei Geng
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
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Casanellas I, Samitier J, Lagunas A. Recent advances in engineering nanotopographic substrates for cell studies. Front Bioeng Biotechnol 2022; 10:1002967. [PMID: 36147534 PMCID: PMC9486185 DOI: 10.3389/fbioe.2022.1002967] [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: 07/25/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
Cells sense their environment through the cell membrane receptors. Interaction with extracellular ligands induces receptor clustering at the nanoscale, assembly of the signaling complexes in the cytosol and activation of downstream signaling pathways, regulating cell response. Nanoclusters of receptors can be further organized hierarchically in the cell membrane at the meso- and micro-levels to exert different biological functions. To study and guide cell response, cell culture substrates have been engineered with features that can interact with the cells at different scales, eliciting controlled cell responses. In particular, nanoscale features of 1–100 nm in size allow direct interaction between the material and single cell receptors and their nanoclusters. Since the first “contact guidance” experiments on parallel microstructures, many other studies followed with increasing feature resolution and biological complexity. Here we present an overview of the advances in the field summarizing the biological scenario, substrate fabrication techniques and applications, highlighting the most recent developments.
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Affiliation(s)
- Ignasi Casanellas
- Nanobioengineering Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Department of Electronics and Biomedical Engineering, Faculty of Physics, University of Barcelona (UB), Barcelona, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Josep Samitier
- Nanobioengineering Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Department of Electronics and Biomedical Engineering, Faculty of Physics, University of Barcelona (UB), Barcelona, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Anna Lagunas
- Nanobioengineering Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
- *Correspondence: Anna Lagunas,
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Luo J, Walker M, Xiao Y, Donnelly H, Dalby MJ, Salmeron-Sanchez M. The influence of nanotopography on cell behaviour through interactions with the extracellular matrix – A review. Bioact Mater 2022; 15:145-159. [PMID: 35386337 PMCID: PMC8940943 DOI: 10.1016/j.bioactmat.2021.11.024] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/25/2021] [Accepted: 11/25/2021] [Indexed: 12/19/2022] Open
Abstract
Nanotopography presents an effective physical approach for biomaterial cell manipulation mediated through material-extracellular matrix interactions. The extracellular matrix that exists in the cellular microenvironment is crucial for guiding cell behaviours, such as determination of integrin ligation and interaction with growth factors. These interactions with the extracellular matrix regulate downstream mechanotransductive pathways, such as rearrangements in the cytoskeleton and activation of signal cascades. Protein adsorption onto nanotopography strongly influences the conformation and distribution density of extracellular matrix and, therefore, subsequent cell responses. In this review, we first discuss the interactive mechanisms of protein physical adsorption on nanotopography. Secondly, we summarise advances in creating nanotopographical features to instruct desired cell behaviours. Lastly, we focus on the cellular mechanotransductive pathways initiated by nanotopography. This review provides an overview of the current state-of-the-art designs of nanotopography aiming to provide better biomedical materials for the future. A comprehensive overview of nanotopography fabrication, and nanotopography regulates various cell behaviours. The interactive physical adsorption between nanotopography and extracellular matrix. Nanotopography initiates the cellular mechanotransductive pathways and downstream signalling cascades.
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47
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Shen X, Shukla P, Nayak S, Gopal V, Subramanian P, Sarah Benjamin A, Kalainathan S. Biological and mechanical response of laser shock peening orthopaedic titanium alloy (Ti-6Al-7Nb). Proc Inst Mech Eng H 2022; 236:1169-1187. [PMID: 35735136 PMCID: PMC9393650 DOI: 10.1177/09544119221105849] [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: 11/17/2022]
Abstract
This paper focuses on the evaluation of mechanical and biological properties of
laser shock peening (LSP) orthopaedic grade Ti-6Al-7Nb alloy. LSP surface
treatment was conducted at laser energy of 3 to 7 J with overlaps of 33%–67%,
and with a 3 mm laser spot size. Cell viability on laser shock peened surface
was evaluated through in-vitro MTT assay, using osteoblast-like MG63 cells for
the first-time. Residual stresses, microhardness, microstructure, sliding wear
and wetting properties were investigated. Compressive residual stresses were
found at various depths due to controlling the LSP parameters, compared to the
as-received surface. The laser shock peened surfaces were hardened from
365HV0.05 to 405HV0.05, while the as-received surface
was 320HV0.05. The average sub-grain size was refined from 14% to 36%
after LSP. The wear resistance was also controllable by altering LSP parameters.
The MTT results show that the cell viability on the laser shock peened surfaces
was comparatively lower than that of the untreated surface after 24 h. However,
after 72 h, the cell viability on modified surfaces were significantly improved.
This work indicated that laser shock peened surfaces have a strong potential to
decrease the pain from orthopaedic implant failures and promote the
cytocompatibility between the bone and implant.
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Affiliation(s)
- Xiaojun Shen
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore
| | - Pratik Shukla
- The Manufacturing Technology Centre (MTC), Coventry, UK
| | - Sunita Nayak
- Centre for Biomaterials, Cellular, and Molecular Theranostics, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Vasanth Gopal
- Department of Metallurgy & Materials Engineering, Faculty of Engineering, University of Malta, Msida, Malta
| | - Prabhakaran Subramanian
- Department of Metallurgy & Materials Engineering, Faculty of Engineering, University of Malta, Msida, Malta
| | - Amy Sarah Benjamin
- Centre for Biomaterials, Cellular, and Molecular Theranostics, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Shivpuram Kalainathan
- Department of Physics, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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48
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Younus ZM, Roach P, Forsyth NR. Acrylamide-based hydrogels with distinct osteogenic and chondrogenic differentiation potential. Prog Biomater 2022; 11:297-309. [PMID: 35840792 PMCID: PMC9374864 DOI: 10.1007/s40204-022-00196-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 06/28/2022] [Indexed: 12/02/2022] Open
Abstract
Regeneration solutions for the osteochondral interface depth are limited, where multi-material implants have the potential to delaminate affecting the regeneration process and impacting the final integrity of tissue interface. Here we explore regionally mixed hydrogel networks, presenting distinct chemical features to determine their compatibility in supporting osteogenic or chondrogenic cell behaviour and differentiation. Poly(N-isopropylacrylamide) (pNIPAM) and poly(N-tert-butylacrylamide) (pNTBAM) hydrogels were assessed in terms of their chemical differences, mechanical strength, internal architecture, porosity and capacity to support cell viability, migration, and differentiation. pNTBAM polymerized with a Young’s modulus of up to 371 ± 31 kPa compared to the more flexible pNIPAM, 16.5 ± 0.6 kPa. Viability testing revealed biocompatibility of both hydrogels with significantly increased cell numbers observed in pNTBAM (500 ± 95 viable cells/mm2) than in pNIPAM (60 ± 3 viable cells/mm2) (P ≤ 0.05). Mineralization determined through alkaline phosphatase (ALP) activity, calcium ion and annexin A2 markers of mineralization) and osteogenic behaviour (collagen I expression) were supported in both hydrogels, but to a greater extent in pNTBAM. pNTBAM supported significantly elevated levels of chondrogenic markers as evidenced by collagen II and glycosaminoglycan expression in comparison to little or no evidence in pNIPAM (P ≤ 0.05). In conclusion, structurally similar, chemically distinct, acrylamide hydrogels display variable capacities in supporting osteochondral cell behaviours. These systems demonstrate spatial control of cell interaction through simple changes in monomer chemistry. Fine control over chemical presentation during the fabrication of biomaterial implants could lead to greater efficacy and targeted regeneration of semi-complex tissues.
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Affiliation(s)
- Z. M. Younus
- School of Pharmacy and Bioengineering, Keele University, Keele, UK
- Department of Clinical Laboratory Sciences, College of Pharmacy, University of Mosul, Mosul, Iraq
| | - P. Roach
- Department of Chemistry, School of Science, Loughborough University, Leicestershire, UK
| | - N. R. Forsyth
- School of Pharmacy and Bioengineering, Keele University, Keele, UK
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Wang Y, Jin Y, Chen Y, Han T, Chen Y, Wang C. A preliminary study on surface bioactivation of polyaryletherketone by UV-grafting with PolyNaSS: influence on osteogenic and antibacterial activities. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1845-1865. [PMID: 35757914 DOI: 10.1080/09205063.2022.2088524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Polyaryletherketone (PAEK) has good biocompatibility and mechanical properties and thus may have great potential in the fields of reparative medicine and bone intervention. In this study, the key representative PAEKs, polyetheretherketone (PEEK) and polyetherketoneketone (PEKK), were modified by UV grafting with sodium polystyrene sulfonate (polyNaSS) to improve their biocompatibility. Toluidine blue staining and Fourier transform infrared spectroscopic analyses showed that sulfonic acid groups were successfully introduced into PAEK, and the hydrophilicity and protein adsorption capacity of the materials were enhanced in a concentration-dependent manner. The effects of the grafted polyNaSS on osteoinduction and antibacterial properties of PAEK were analyzed in detail. We found that polyNaSS enhanced the viability, alkaline phosphatase activity, calcium mineral deposition, and levels of expression of osteoblast-related genes and proteins of adherent human umbilical cord Wharton's jelly-derived mesenchymal stem cells. In addition, when Escherichia coli, Staphylococcus aureus and Porphyromonas gingivalis were incubated with the materials, bacterial colony counting revealed that grafting of polyNaSS onto PAEK led to more potent inhibition of bacterial adhesion, and polyNaSS-grafted PEKK had stronger antibacterial performance than did polyNaSS-grafted PEEK fabricated under the same grafting conditions. These data show that polyNaSS-grafted PAEK, and particularly polyNaSS-grafted PEKK, may be useful as orthopedic and dental implant materials.
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Affiliation(s)
- Yijin Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yabing Jin
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yiyi Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Tianlei Han
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yuhong Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Chen Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
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50
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Nano-Structured Ridged Micro-Filaments (≥100 µm Diameter) Produced Using a Single Step Strategy for Improved Bone Cell Adhesion and Proliferation in Textile Scaffolds. Molecules 2022; 27:molecules27123790. [PMID: 35744916 PMCID: PMC9228432 DOI: 10.3390/molecules27123790] [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: 04/08/2022] [Revised: 05/18/2022] [Accepted: 05/20/2022] [Indexed: 12/01/2022] Open
Abstract
Textile scaffolds that are either 2D or 3D with tunable shapes and pore sizes can be made through textile processing (weaving, knitting, braiding, nonwovens) using microfilaments. However, these filaments lack nano-topographical features to improve bone cell adhesion and proliferation. Moreover, the diameter of such filaments should be higher than that used for classical textiles (10−30 µm) to enable adhesion and the efficient spreading of the osteoblast cell (>30 µm diameter). We report, for the first time, the fabrication of biodegradable nanostructured cylindrical PLLA (poly-L-Lactic acid) microfilaments of diameters 100 µm and 230 µm, using a single step melt-spinning process for straightforward integration of nano-scale ridge-like structures oriented in the fiber length direction. Appropriate drawing speed and temperature used during the filament spinning allowed for the creation of instabilities giving rise to nanofibrillar ridges, as observed by AFM (Atomic Force Microscopy). These micro-filaments were hydrophobic, and had reduced crystallinity and mechanical strength, but could still be processed into 2D/3D textile scaffolds of various shapes. Biological tests carried out on the woven scaffolds made from these nano-structured micro filaments showed excellent human bone cell MG 63 adhesion and proliferation, better than on smooth 30 µm- diameter fibers. Elongated filopodia of the osteoblast, intimately anchored to the nano-structured filaments, was observed. The filaments also induced in vitro osteogenic expression, as shown by the expression of osteocalcin and bone sialoprotein after 21 days of culture. This work deals with the fabrication of a new generation of nano-structured micro-filament for use as scaffolds of different shapes suited for bone cell engineering.
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