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Ghimire U, Kandel R, Ko SW, Adhikari JR, Kim CS, Park CH. Electrochemical technique to develop surface-controlled polyaniline nano-tulips (PANINTs) on PCL-reinforced chitosan functionalized (CS-f-Fe 2O 3) scaffolds for stimulating osteoporotic bone regeneration. Int J Biol Macromol 2024; 264:130608. [PMID: 38447840 DOI: 10.1016/j.ijbiomac.2024.130608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/15/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
Bone defects pose significant challenges in orthopedic surgery, often leading to suboptimal outcomes and complications. Addressing these challenges, we employed a three-electrode electrochemical system to fabricate surface-controlled polyaniline nano-tulips (PANINTs) decorated polycaprolactone (PCL) reinforced chitosan functionalized iron oxide nanoparticles (CS-f-Fe2O3) scaffolds. These structures were designed to emulate the natural extracellular matrix (ECM) and promote enhanced osseointegration by establishing a continuous interface between host bone and graft, thereby improving both biological processes and mechanical stability. In vitro experiments demonstrated that PANINTs-PCL/CS-f-Fe2O3 substrates significantly promoted the proliferation, differentiation, and spontaneous outgrowth and extension of MC3T3-E1 cell activity. The nanomaterials exhibited increased cell viability and osteogenic differentiation, as evidenced by elevated expression of bone-related markers such as ALP, ARS, COL-I, RUNX2, and SPP-I, as determined by qRT-PCR. Our findings underscore the regenerative potential of in situ cell culture systems for bone defects, emphasizing the targeted stimulation of essential cell subpopulations to facilitate rapid bone tissue regeneration.
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Affiliation(s)
- Upasana Ghimire
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Rupesh Kandel
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea.
| | - Sung Won Ko
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Jhalak Raj Adhikari
- Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea.
| | - Chan Hee Park
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea.
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Mohammadi M, Abbaszadeh S, Nosrati-Siahmazgi V, Akbari M, Rezaei S, Musaie K, Eskandari MR, Santos HA, Poursina N, Shahbazi MA. Diatom-guided bone healing via a hybrid natural scaffold. Heliyon 2024; 10:e25878. [PMID: 38384564 PMCID: PMC10878915 DOI: 10.1016/j.heliyon.2024.e25878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/04/2024] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
Bone tissue engineering (BTE) involves the design of three-dimensional (3D) scaffolds that aim to address current challenges of bone defect healing, such as limited donor availability, disease transmission risks, and the necessity for multiple invasive surgeries. Scaffolds can mimic natural bone structure to accelerate the mechanisms involved in the healing process. Herein, a crosslinked combination of biopolymers, including gelatin (GEL), chitosan (CS), and hyaluronic acid (HA), loaded with diatom (Di) and β-sitosterol (BS), is used to produce GCH-Di-S scaffold by freeze-drying method. The GCH scaffold possesses a uniform structure, is biodegradable and biocompatible, and exhibits high porosity and interconnected pores, all required for effective bone repair. The incorporation of Di within the scaffold contributes to the adjustment of porosity and degradation, as well as effectively enhancing the mechanical property and biomineralization. In vivo studies have confirmed the safety of the scaffold and its potential to stimulate the creation of new bone tissue. This is achieved by providing an osteoconductive platform for cell attachment, prompting calcification, and augmenting the proliferation of osteoblasts, which further contributes to angiogenesis and anti-inflammatory effects of BS.
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Affiliation(s)
- Mina Mohammadi
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
| | - Samin Abbaszadeh
- Department of Pharmacology, School of Medicine, Zanjan University of Medical Science, 45139-56111 Zanjan, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran
| | - Vahideh Nosrati-Siahmazgi
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
| | - Mahsa Akbari
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
| | - Saman Rezaei
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
| | - Kiyan Musaie
- Department of Biomaterials and Biomedical Technology, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, the Netherlands
| | - Mohammad Reza Eskandari
- Department of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Science, 45139-56184, Zanjan, Iran
| | - Hélder A. Santos
- Department of Biomaterials and Biomedical Technology, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, the Netherlands
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki FI-00014, Finland
| | - Narges Poursina
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
- Department of Pharmaceutics, School of Pharmacy, Zanjan University of Medical Science, 45139-56184 Zanjan, Iran
| | - Mohammad-Ali Shahbazi
- Department of Biomaterials and Biomedical Technology, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, the Netherlands
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Wu T, Huang L, Sun J, Sun J, Yan Q, Duan B, Zhang L, Shi B. Multifunctional chitin-based barrier membrane with antibacterial and osteogenic activities for the treatment of periodontal disease. Carbohydr Polym 2021; 269:118276. [PMID: 34294308 DOI: 10.1016/j.carbpol.2021.118276] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 05/07/2021] [Accepted: 05/28/2021] [Indexed: 10/21/2022]
Abstract
The guided tissue regeneration technique is an effective approach to repair periodontal defect. However, collagen barrier membranes used clinically lose stability easily, leading to soft tissue invasion, surgical site infection, and failure of osteogenesis. An ideal barrier membrane should possess proper antibacterial, osteoconductive activities, and favorable biodegradation. In this study, zinc oxide nanoparticles were homogeneously incorporated into the chitin hydrogel (ChT-1%ZnO) through one-step dissolution and regeneration method from alkaline/urea solution the first time. The remaining weights of ChT-1%ZnO in 150 μg/mL lysozyme solution was 52% after 5 weeks soaking. ChT-1%ZnO showed statistical antibacterial activities for P. gingivalis and S. aureus at 6 h, 12 h, and 24 h. Moreover, ChT-1%ZnO exhibits osteogenesis promotion in vitro, and it was further evaluated with rat periodontal defect model in vivo. The cemento-enamel junction value in ChT-1%ZnO group is 1.608 mm, presenting a statistical difference compared with no-membrane (1.825 mm) and ChT group (1.685 mm) after 8 weeks postoperatively.
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Affiliation(s)
- Tao Wu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), Key Laboratory of Oral Biomedicine Ministry of Education, Department of Dental Implantology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, Wuhan 430079, PR China.
| | - Lin Huang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, Hubei 430072, PR China.
| | - Jing Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), Key Laboratory of Oral Biomedicine Ministry of Education, Department of Dental Implantology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, Wuhan 430079, PR China.
| | - Jiahui Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), Key Laboratory of Oral Biomedicine Ministry of Education, Department of Dental Implantology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, Wuhan 430079, PR China.
| | - Qi Yan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), Key Laboratory of Oral Biomedicine Ministry of Education, Department of Dental Implantology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, Wuhan 430079, PR China
| | - Bo Duan
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, Hubei 430072, PR China.
| | - Lina Zhang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, Hubei 430072, PR China.
| | - Bin Shi
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), Key Laboratory of Oral Biomedicine Ministry of Education, Department of Dental Implantology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, Wuhan 430079, PR China.
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4
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Palaveniene A, Songailiene K, Baniukaitiene O, Tamburaci S, Kimna C, Tihminlioğlu F, Liesiene J. The effect of biomimetic coating and cuttlebone microparticle reinforcement on the osteoconductive properties of cellulose-based scaffolds. Int J Biol Macromol 2019; 152:1194-1204. [PMID: 31759022 DOI: 10.1016/j.ijbiomac.2019.10.213] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 10/09/2019] [Accepted: 10/24/2019] [Indexed: 12/20/2022]
Abstract
Polymer-based scaffolds have already gained popularity in many biomedical applications due to convenient routes for fabrication and favourable structural, physicochemical and functional characteristics. However, polymeric scaffolds lack osteoconductivity and some synthetic polymers carry the risk of inflammatory response caused by degradation by-products. Those facts limit their practical use in bone tissue engineering. In this study, three-dimensional (3D) porous scaffolds from naturally derived polymer, namely regenerated cellulose, were prepared using a non-hydrolytic sol-gel and lyophilization techniques. To induce osteoconductive properties of the polymeric scaffolds, cuttlebone microparticles were immobilized and the surface coating was achieved via in vitro mineralization using 10-fold concentrated simulated body fluid (10x SBF). Biogenic activity of cuttlebone is explained by its chemical composition, which includes polysaccharide β-chitin and macro-, micro- and trace elements favourable for mineralization. Parallel the scaffolds were examined during long-term (24 weeks) in vitro mineralization in 1x SBF for the purpose to investigate apatite-forming ability of the scaffolds. A nice cauliflower-like structures and needle-like dents of the spherical aggregates, which are characteristic to hydroxyapatite precursors, were observed on the surface of cellulose/cuttlebone scaffolds by SEM. 10x SBF coating enhanced cell attachment to the scaffolds because SBF elements are known to increase bioactivity by inducing re-deposition of carbonate apatite crystallites on scaffold surface. Additionally, calcium and phosphate depositions were clearly observed on the developed scaffolds using von Kossa and Alizarin Red S staining. Proliferative and osteoconductive effects on the osteoblast-like MG-63 cells demonstrate the cellulose/cuttlebone scaffolds soaked in 10x SBF as a favourable material for bone tissue engineering.
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Affiliation(s)
- Alisa Palaveniene
- Department of Polymer Chemistry and Technology, Kaunas University of Technology, Lithuania
| | - Kristina Songailiene
- Department of Polymer Chemistry and Technology, Kaunas University of Technology, Lithuania
| | - Odeta Baniukaitiene
- Department of Polymer Chemistry and Technology, Kaunas University of Technology, Lithuania
| | - Sedef Tamburaci
- Department of Chemical Engineering, Izmir Institute of Technology, Turkey
| | - Ceren Kimna
- Department of Chemical Engineering, Izmir Institute of Technology, Turkey
| | - Funda Tihminlioğlu
- Department of Chemical Engineering, Izmir Institute of Technology, Turkey.
| | - Jolanta Liesiene
- Department of Polymer Chemistry and Technology, Kaunas University of Technology, Lithuania
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5
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Nagrath M, Alhalawani A, Rahimnejad Yazdi A, Towler MR. Bioactive glass fiber fabrication via a combination of sol-gel process with electro-spinning technique. Mater Sci Eng C Mater Biol Appl 2019; 101:521-538. [PMID: 31029347 DOI: 10.1016/j.msec.2019.04.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 03/28/2019] [Accepted: 04/01/2019] [Indexed: 01/12/2023]
Affiliation(s)
- Malvika Nagrath
- Department of Biomedical Engineering, Faculty of Engineering and Architectural Science, Ryerson University, Toronto M5B 2K3, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto M5B 1W8, ON, Canada
| | - Adel Alhalawani
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto M5B 1W8, ON, Canada; Department of Mechanical and Industrial Engineering, Faculty of Engineering and Architectural Science, Ryerson University, Toronto M5B 2K3, ON, Canada
| | - Alireza Rahimnejad Yazdi
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto M5B 1W8, ON, Canada; Department of Mechanical and Industrial Engineering, Faculty of Engineering and Architectural Science, Ryerson University, Toronto M5B 2K3, ON, Canada
| | - Mark R Towler
- Department of Biomedical Engineering, Faculty of Engineering and Architectural Science, Ryerson University, Toronto M5B 2K3, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto M5B 1W8, ON, Canada; Department of Mechanical and Industrial Engineering, Faculty of Engineering and Architectural Science, Ryerson University, Toronto M5B 2K3, ON, Canada.
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6
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Fang J, Li P, Lu X, Fang L, Lü X, Ren F. A strong, tough, and osteoconductive hydroxyapatite mineralized polyacrylamide/dextran hydrogel for bone tissue regeneration. Acta Biomater 2019; 88:503-513. [PMID: 30772515 DOI: 10.1016/j.actbio.2019.02.019] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 01/01/2023]
Abstract
The design of hydrogels with adequate mechanical properties and excellent bioactivity, osteoconductivity, and capacity for osseointegration is essential to bone repair and regeneration. However, it is challenging to integrate all these properties into one bone scaffold. Herein, we developed a strong, tough, osteoconductive hydrogel by a facile one-step micellar copolymerization of acrylamide and urethacrylate dextran (Dex-U), followed by the in situ mineralization of hydroxyapatite (HAp) nanocrystals. We show that the soft, flexible, and hydrophobically associated polyacrylamide (PAAm) network is strengthened by the stiff crosslinked Dex-U phase, and that the mineralized HAp simultaneously improves the mechanical properties and osteoconductivity. The obtained HAp mineralized PAAm/Dex-U hydrogel (HAp-PADH) has extremely high compressive strength (6.5 MPa) and enhanced fracture resistance (over 2300 J m-2), as compared with pure PAAm hydrogels. In vitro, we show that the mineralized HAp layer promotes the adhesion and proliferation of osteoblasts, and effectively stimulates osteogenic differentiation. Through the in vivo evaluation of hydrogels in a femoral condyle defect rabbit model, we show regeneration of a highly mineralized bone tissue and direct bonding to the HAp-PADH interface. These findings confirm the excellent osteoconductivity and osseointegration ability of fabricated HAp-PADH. The present HAp-PADH, with its superior mechanical properties and excellent osteoconductivity, should have great potential for bone repair and regeneration. STATEMENT OF SIGNIFICANCE: We developed a strong, tough, and osteoconductive hydrogel by a facile one-step micellar copolymerization of acrylamide and urethane methacrylate dextran (Dex-U), followed by the in situ mineralization of hydroxyapatite (HAp) nanocrystals. The hydrophobic micellar copolymerization and introduction of the stiff crosslinked Dex-U phase endowed the soft polyacrylamide (PAAm) network with enhanced strength and toughness. The in situ mineralized HAp nanocrystals on the hydrogels further improved the mechanical properties of the hydrogels and promoted osteogenic differentiation of cells. Mechanical tests together with in vitro and in vivo evaluations confirmed that the HAp mineralized PAAm/Dex-U hydrogel (HAp-PADH) achieved a combination of superior mechanical properties and excellent osseointegration, and thus may offer a promising candidate for bone repair and regeneration.
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Affiliation(s)
- Ju Fang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China; State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu 210096, China
| | - Pengfei Li
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 621000, China
| | - Xiong Lu
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 621000, China
| | - Liming Fang
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, Guangdong 510006, China
| | - Xiaoying Lü
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, Jiangsu 210096, China
| | - Fuzeng Ren
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
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7
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Ingavle GC, Gionet-Gonzales M, Vorwald CE, Bohannon LK, Clark K, Galuppo LD, Leach JK. Injectable mineralized microsphere-loaded composite hydrogels for bone repair in a sheep bone defect model. Biomaterials 2019; 197:119-128. [PMID: 30641263 DOI: 10.1016/j.biomaterials.2019.01.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 01/03/2019] [Accepted: 01/04/2019] [Indexed: 12/20/2022]
Abstract
The efficacy of cell-based therapies as an alternative to autologous bone grafts requires biomaterials to localize cells at the defect and drive osteogenic differentiation. Hydrogels are ideal cell delivery vehicles that can provide instructional cues via their composition or mechanical properties but commonly lack osteoconductive components that nucleate mineral. To address this challenge, we entrapped mesenchymal stromal cells (MSCs) in a composite hydrogel based on two naturally-derived polymers (alginate and hyaluronate) containing biomineralized polymeric microspheres. Mechanical properties of the hydrogels were dependent upon composition. The presentation of the adhesive tripeptide Arginine-Glycine-Aspartic Acid (RGD) from both polymers induced greater osteogenic differentiation of ovine MSCs in vitro compared to gels formed of RGD-alginate or RGD-alginate/hyaluronate alone. We then evaluated the capacity of this construct to stimulate bone healing when transplanting autologous, culture-expanded MSCs into a surgical induced, critical-sized ovine iliac crest bone defect. At 12 weeks post-implantation, defects treated with MSCs transplanted in composite gels exhibited significant increases in blood vessel density, osteoid formation, and bone formation compared to acellular gels or untreated defects. These findings demonstrate the capacity of osteoconductive hydrogels to promote bone formation with autologous MSCs in a large animal bone defect model and provide a promising vehicle for cell-based therapies of bone healing.
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Affiliation(s)
- Ganesh C Ingavle
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA; Symbiosis Center for Stem Cell Research, Symbiosis International University, Pune 412115, India
| | | | - Charlotte E Vorwald
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA
| | - Laurie K Bohannon
- Department of Surgical & Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA 95616, USA
| | - Kaitlin Clark
- Department of Surgical & Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA 95616, USA
| | - Larry D Galuppo
- Department of Surgical & Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA 95616, USA
| | - J Kent Leach
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA; Department of Orthopaedic Surgery, School of Medicine, UC Davis Health, Sacramento, CA 95817, USA.
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8
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Rasheed T, Bilal M, Zhao Y, Raza A, Shah SZH, Iqbal HMN. Physiochemical characteristics and bone/cartilage tissue engineering potentialities of protein-based macromolecules - A review. Int J Biol Macromol 2019; 121:13-22. [PMID: 30291929 DOI: 10.1016/j.ijbiomac.2018.10.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/29/2018] [Accepted: 10/01/2018] [Indexed: 02/08/2023]
Abstract
Protein-based macromolecules such as keratin, silk fibroin, collagen, gelatin, and fibrin have emerged as potential candidate materials with unique structural and functional characteristics. Despite many advantages, the development of tissue-engineered constructs that can match the biological context of real tissue matrix remains a challenge in tissue engineering (TE). The tissue-engineered constructs should also support vascularization. Protein-based macromolecules, in pristine or combine form, provide a promising platform to engineer constructs with unique design and functionalities which are highly essential for an appropriate stimulation and differentiation of cells in a specific TE approach. However, much work remains to be undertaken with particular reference to in-depth interactions between constructed cues and target host tissues. Thus, modern advancements are emphasizing to understand critiques and functionalization of protein-based macromolecule that organize not only cellular activities but also tissue regenerations. In this review, numerous physicochemical, functional, and structural characteristics of protein-based macromolecules such as keratin, silk fibroin, collagen, gelatin, and fibrin are discussed. This review also presents the hope vs. hype phenomenon for tissue engineering. Later part of the review focuses on different requisite characteristics and their role in TE. The discussion presented here could prove highly useful for the construction of scaffolds with requisite features.
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Affiliation(s)
- Tahir Rasheed
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Yuping Zhao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Ali Raza
- School of Biomedical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240 Shanghai, China
| | | | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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9
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Abstract
In a quest to provide best-quality treatment, results, and long-term prognosis, physicians must be well versed in emerging sciences and discoveries to more favorably provide suitable options to patients. Bioengineering and regeneration have rapidly developed, and with them, the options afforded to surgeons are ever-expanding. Grafting techniques can be modified according to evolving knowledge. The basic principles of bioengineering are discussed in this article to provide a solid foundation for favorable treatment and a comprehensive understanding of the reasons why each particular treatment available can be the most adequate for each particular case.
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10
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Cai Y, Guo J, Chen C, Yao C, Chung SM, Yao J, Lee IS, Kong X. Silk fibroin membrane used for guided bone tissue regeneration. Mater Sci Eng C Mater Biol Appl 2016; 70:148-154. [PMID: 27770874 DOI: 10.1016/j.msec.2016.08.070] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 07/22/2016] [Accepted: 08/26/2016] [Indexed: 10/21/2022]
Abstract
With the aim to develop a novel membrane with an appropriate mechanical property and degradation rate for guided bone tissue regeneration, lyophilized and densified silk fibroin membrane was fabricated and its mechanical behavior as well as biodegradation property were investigated. The osteoconductive potency of the silk fibroin membranes were evaluated in a defect rabbit calvarial model. Silk fibroin membrane showed the modulated biodegradable and mechanical properties via ethanol treatment with different concentration. The membrane could prevent soft tissue invasion from normal tissue healing, and the amounts of new bone and defect closure with silk fibroin membrane were similar to those of commercially available collagen membrane.
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Affiliation(s)
- Yurong Cai
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, National Engineering Lab for Textile Fiber Materials and Processing Technology(Zhejiang), College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Junmao Guo
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, National Engineering Lab for Textile Fiber Materials and Processing Technology(Zhejiang), College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Cen Chen
- Bio-X Center, College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Chenxue Yao
- Bio-X Center, College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Sung-Min Chung
- Sung-Min Chung Genoss Co., Ltd., Suwon 443-270, Republic of Korea
| | - Juming Yao
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, National Engineering Lab for Textile Fiber Materials and Processing Technology(Zhejiang), College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - In-Seop Lee
- Institute of Natural Sciences, Yonsei University, 134 Shinchon-dong, Seodaemoon-gu, Seoul 120-749, Republic of Korea
| | - Xiangdong Kong
- Bio-X Center, College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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Abstract
Dental implant procedures, both surgical placement and preimplant bone augmentation, have become an integral aspect of the oral and maxillofacial surgeon's practice. The number of dental implants placed each year continues to increase as a result of increasing patient exposure and awareness of dental implants, the increased functional and esthetic dental demands of general practitioners and patients, the overall increase in age of the US patient population, and expanded insurance coverage of dental implant-related procedures. This article outlines relevant surgical procedures aimed toward reconstructing alveolar ridge defects to restore intra-arch alveolar discrepancies before restoration-driven dental implant placement.
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Affiliation(s)
- Christopher J Haggerty
- Private Practice, Lakewood Oral and Maxillofacial Surgery Specialists, Lee's Summit, MO, USA; Department of Oral and Maxillofacial Surgery, University of Missouri-Kansas City, Kansas City, MO, USA.
| | - Christopher T Vogel
- Department of Oral and Maxillofacial Surgery, University of Missouri-Kansas City, Kansas City, MO, USA
| | - G Rawleigh Fisher
- Private Practice, Lake Charles Oral and Facial Surgery, Lake Charles, LA, USA
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12
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Fernandez-Yague MA, Abbah SA, McNamara L, Zeugolis DI, Pandit A, Biggs MJ. Biomimetic approaches in bone tissue engineering: Integrating biological and physicomechanical strategies. Adv Drug Deliv Rev 2015; 84:1-29. [PMID: 25236302 DOI: 10.1016/j.addr.2014.09.005] [Citation(s) in RCA: 265] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Revised: 09/01/2014] [Accepted: 09/05/2014] [Indexed: 02/06/2023]
Abstract
The development of responsive biomaterials capable of demonstrating modulated function in response to dynamic physiological and mechanical changes in vivo remains an important challenge in bone tissue engineering. To achieve long-term repair and good clinical outcomes, biologically responsive approaches that focus on repair and reconstitution of tissue structure and function through drug release, receptor recognition, environmental responsiveness and tuned biodegradability are required. Traditional orthopedic materials lack biomimicry, and mismatches in tissue morphology, or chemical and mechanical properties ultimately accelerate device failure. Multiple stimuli have been proposed as principal contributors or mediators of cell activity and bone tissue formation, including physical (substrate topography, stiffness, shear stress and electrical forces) and biochemical factors (growth factors, genes or proteins). However, optimal solutions to bone regeneration remain elusive. This review will focus on biological and physicomechanical considerations currently being explored in bone tissue engineering.
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Khorsand A, Rasouli Ghahroudi AAR, Motahhari P, Rezaei Rad M, Soleimani Shayesteh Y. Histological evaluation of Accell Connexus(®) and Bio-Oss(®) on quality and rate of bone healing: a single blind experimental study on rabbit's calvarium. J Dent (Tehran) 2012; 9:116-27. [PMID: 23066476 PMCID: PMC3466765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Accepted: 05/30/2012] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The objective of this study was to evaluate the effect of Accell Connexus(®) on the quality and rate of healing in experimental defects of rabbit calvarium compared to Bio-Oss®. MATERIALS AND METHODS Twelve 2.5-3.5 kg weighing New Zealand white rabbits were used. Three defects (3×6 mm) were created in the cranium of the animals subsequently filled with Accell Connexus(®), Bio-Oss® or served as controls. The animals were sacrificed four, six and eight weeks postoperatively and the histology blocks were studied in terms of inflammation, trabeculation thickness, bone type regeneration, foreign body and remained biomaterial by light microscope. The data were subject to Mann-Whitney U test. RESULTS Increased inflammatory reaction, foreign body reaction, delayed bone formation and lower rate of ossification were observed in DBM-filled defects compared to Bio-Oss® or controls. However, no significant differences were observed in bone formation between Bio-Oss®, Accell Connexus(®) and control specimens in the three time intervals. Furthermore, no significant differences were noted between Bio-Oss® and control groups. CONCLUSION Accell Connexus(®) showeda lower rate of ossification and bone healing compared to Bio-Oss® or controlgroups. Other studies in this field seem necessary.
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Affiliation(s)
- A. Khorsand
- Associate Professor, Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - A. A. R. Rasouli Ghahroudi
- Assistant Professor, Dental implants research center and Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran,Corresponding author: A. A. R. Rasouli Ghahroudi, Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - P. Motahhari
- Assistant Professor, Department of Oral Pathology, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Y. Soleimani Shayesteh
- Professor, Dental Implant Research Center and Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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