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Kesharwani P, Alexander A, Shukla R, Jain S, Bisht A, Kumari K, Verma K, Sharma S. Tissue regeneration properties of hydrogels derived from biological macromolecules: A review. Int J Biol Macromol 2024; 271:132280. [PMID: 38744364 DOI: 10.1016/j.ijbiomac.2024.132280] [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: 01/13/2024] [Revised: 05/02/2024] [Accepted: 05/08/2024] [Indexed: 05/16/2024]
Abstract
The successful tissue engineering depends on the development of biologically active scaffolds that possess optimal characteristics to effectively support cellular functions, maintain structural integrity and aid in tissue regeneration. Hydrogels have emerged as promising candidates in tissue regeneration due to their resemblance to the natural extracellular matrix and their ability to support cell survival and proliferation. The integration of hydrogel scaffold into the polymer has a variable impact on the pseudo extracellular environment, fostering cell growth/repair. The modification in size, shape, surface morphology and porosity of hydrogel scaffolds has consequently paved the way for addressing diverse challenges in the tissue engineering process such as tissue architecture, vascularization and simultaneous seeding of multiple cells. The present review provides a comprehensive update on hydrogel production using natural and synthetic biomaterials and their underlying mechanisms. Furthermore, it delves into the application of hydrogel scaffolds in tissue engineering for cardiac tissues, cartilage tissue, adipose tissue, nerve tissue and bone tissue. Besides, the present article also highlights various clinical studies, patents, and the limitations associated with hydrogel-based scaffolds in recent times.
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Affiliation(s)
- Payal Kesharwani
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India; Institute of Pharmacy, Ram-Eesh Institute of Vocational and Technical Education Greater Noida, India
| | - Amit Alexander
- Department of Pharmaceuticals, National Institute of Pharmaceutical Education and Research, Guwahati, Assam, India
| | - Rahul Shukla
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, Uttar Pradesh, India
| | - Smita Jain
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Akansha Bisht
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Kajal Kumari
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Kanika Verma
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Swapnil Sharma
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India.
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Zhu S, Dou W, Zeng X, Chen X, Gao Y, Liu H, Li S. Recent Advances in the Degradability and Applications of Tissue Adhesives Based on Biodegradable Polymers. Int J Mol Sci 2024; 25:5249. [PMID: 38791286 PMCID: PMC11121545 DOI: 10.3390/ijms25105249] [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: 04/10/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
In clinical practice, tissue adhesives have emerged as an alternative tool for wound treatments due to their advantages in ease of use, rapid application, less pain, and minimal tissue damage. Since most tissue adhesives are designed for internal use or wound treatments, the biodegradation of adhesives is important. To endow tissue adhesives with biodegradability, in the past few decades, various biodegradable polymers, either natural polymers (such as chitosan, hyaluronic acid, gelatin, chondroitin sulfate, starch, sodium alginate, glucans, pectin, functional proteins, and peptides) or synthetic polymers (such as poly(lactic acid), polyurethanes, polycaprolactone, and poly(lactic-co-glycolic acid)), have been utilized to develop novel biodegradable tissue adhesives. Incorporated biodegradable polymers are degraded in vivo with time under specific conditions, leading to the destruction of the structure and the further degradation of tissue adhesives. In this review, we first summarize the strategies of utilizing biodegradable polymers to develop tissue adhesives. Furthermore, we provide a symmetric overview of the biodegradable polymers used for tissue adhesives, with a specific focus on the degradability and applications of these tissue adhesives. Additionally, the challenges and perspectives of biodegradable polymer-based tissue adhesives are discussed. We expect that this review can provide new inspirations for the design of novel biodegradable tissue adhesives for biomedical applications.
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Affiliation(s)
- Shuzhuang Zhu
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Wenguang Dou
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Xiaojun Zeng
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
- College of Life Sciences, Yantai University, Yantai 264005, China
| | - Xingchao Chen
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Yonglin Gao
- College of Life Sciences, Yantai University, Yantai 264005, China
| | - Hongliang Liu
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Sidi Li
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
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Xu Q, Bai Y, Li S, Hou W, Hao Y, Yang R, Li X, Zhang X. Enhancing osteogenesis and angiogenesis functions for Ti-24Nb-4Zr-8Sn scaffolds with methacrylated gelatin and deferoxamine. Front Bioeng Biotechnol 2024; 12:1372636. [PMID: 38707506 PMCID: PMC11066197 DOI: 10.3389/fbioe.2024.1372636] [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: 01/18/2024] [Accepted: 04/08/2024] [Indexed: 05/07/2024] Open
Abstract
Repair of large bone defects remains challenge for orthopedic clinical treatment. Porous titanium alloys have been widely fabricated by the additive manufacturing, which possess the elastic modulus close to that of human cortical bone, good osteoconductivity and osteointegration. However, insufficient bone regeneration and vascularization inside the porous titanium scaffolds severely limit their capability for repair of large-size bone defects. Therefore, it is crucially important to improve the osteogenic function and vascularization of the titanium scaffolds. Herein, methacrylated gelatin (GelMA) were incorporated with the porous Ti-24Nb-4Zr-8Sn (Ti2448) scaffolds prepared by the electron beam melting (EBM) method (Ti2448-GelMA). Besides, the deferoxamine (DFO) as an angiogenic agent was doped into the Ti2448-GelMA scaffold (Ti2448-GelMA/DFO), in order to promote vascularization. The results indicate that GelMA can fully infiltrate into the pores of Ti2448 scaffolds with porous cross-linked network (average pore size: 120.2 ± 25.1 μm). Ti2448-GelMA scaffolds facilitated the differentiation of MC3T3-E1 cells by promoting the ALP expression and mineralization, with the amount of calcium contents ∼2.5 times at day 14, compared with the Ti2448 scaffolds. Impressively, the number of vascular meshes for the Ti2448-GelMA/DFO group (∼7.2/mm2) was significantly higher than the control group (∼5.3/mm2) after cultivation for 9 h, demonstrating the excellent angiogenesis ability. The Ti2448-GelMA/DFO scaffolds also exhibited sustained release of DFO, with a cumulative release of 82.3% after 28 days. Therefore, Ti2448-GelMA/DFO scaffolds likely provide a new strategy to improve the osteogenesis and angiogenesis for repair of large bone defects.
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Affiliation(s)
- Qian Xu
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, Shenyang, Liaoning, China
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
| | - Yun Bai
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Shujun Li
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Wentao Hou
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Yulin Hao
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Rui Yang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Xiaowu Li
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, Shenyang, Liaoning, China
| | - Xing Zhang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
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Xu H, Feng J, Dai N, Han Q, Zhou B, Yang G, Hu R. Self-assembling peptide hydrogel scaffold integrating stem cell-derived exosomes for infected bone defects. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-12. [PMID: 38574263 DOI: 10.1080/09205063.2024.2336316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/19/2024] [Indexed: 04/06/2024]
Abstract
Infected bone defect (IBD) is a great challenge in orthopedics, which involves in bone loss and infection. Here, a self-assembling hydrogel scaffold (named AMP-RAD/EXO), integrating antimicrobial peptides(AMPs), RADA16 and BMSCs exosomes with an innovative strategy, is developed and applied in IBD treatment for sustained antimicrobial ability, accelerating osteoblasts proliferation and promoting bone regeneration. AMPs present an excellent ability to inhibit infection, RADA16 is a self-assembling peptide hydrogel for AMPs delivery, and BMSCs exosomes can promote the bone regeneration. The prepared AMP-RAD/EXO exhibited a polyporous 3D structure for imbibition of BMSCs exosomes and migration of osteoblasts. In vitro studies indicate AMP-RAD/EXO can inhibit the growth of Staphylococcus aureus, accelerate the proliferation and migration of BMSCs. More importantly, in vivo results also prove that AMP-RAD/EXO exhibit an excellent effect on IBD treatment. Thus, the prepared AMP-RAD/EXO provides a multifunctional scaffold concept for bone tissue engineering technology.
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Affiliation(s)
- Haiyan Xu
- Orthopaedics, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Jing Feng
- Nursing Department, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Ning Dai
- Nursing Department, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Qiong Han
- Orthopaedics, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Bei Zhou
- Nursing Department, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Guiyun Yang
- Nursing Department, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
| | - Rui Hu
- Orthopaedics, Wuhan Fourth Hospital, Wuhan, Hubei Province, P.R. China
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Yang ZR, Suo H, Fan JW, Lv N, Du K, Ma T, Qin H, Li Y, Yang L, Zhou N, Jiang H, Tao J, Zhu J. Endogenous stimuli-responsive separating microneedles to inhibit hypertrophic scar through remodeling the pathological microenvironment. Nat Commun 2024; 15:2038. [PMID: 38448448 PMCID: PMC10917775 DOI: 10.1038/s41467-024-46328-2] [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: 02/16/2023] [Accepted: 02/22/2024] [Indexed: 03/08/2024] Open
Abstract
Hypertrophic scar (HS) considerably affects the appearance and causes tissue dysfunction in patients. The low bioavailability of 5-fluorouracil poses a challenge for HS treatment. Here we show a separating microneedle (MN) consisting of photo-crosslinked GelMA and 5-FuA-Pep-MA prodrug in response to high reactive oxygen species (ROS) levels and overexpression of matrix metalloproteinases (MMPs) in the HS pathological microenvironment. In vivo experiments in female mice demonstrate that the retention of MN tips in the tissue provides a slowly sustained drug release manner. Importantly, drug-loaded MNs could remodel the pathological microenvironment of female rabbit ear HS tissues by ROS scavenging and MMPs consumption. Bulk and single cell RNA sequencing analyses confirm that drug-loaded MNs could reverse skin fibrosis through down-regulation of BCL-2-associated death promoter (BAD), insulin-like growth factor 1 receptor (IGF1R) pathways, simultaneously regulate inflammatory response and keratinocyte differentiation via up-regulation of toll-like receptors (TOLL), interleukin-1 receptor (IL1R) and keratinocyte pathways, and promote the interactions between fibroblasts and keratinocytes via ligand-receptor pair of proteoglycans 2 (HSPG2)-dystroglycan 1(DAG1). This study reveals the potential therapeutic mechanism of drug-loaded MNs in HS treatment and presents a broad prospect for clinical application.
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Affiliation(s)
- Zhuo-Ran Yang
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Huinan Suo
- Department of Dermatology, Union Hospital, Tongji Medical College, HUST, Wuhan, 430022, China
| | - Jing-Wen Fan
- Department of Radiology, Xijing Hospital, The Forth Military Medical University (FMMU), Xi'an, 710032, China
| | - Niannian Lv
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Kehan Du
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Teng Ma
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Huimin Qin
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Yan Li
- Department of Dermatology, Union Hospital, Tongji Medical College, HUST, Wuhan, 430022, China
| | - Liu Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, HUST, Wuhan, 430022, China
| | - Nuoya Zhou
- Department of Dermatology, Union Hospital, Tongji Medical College, HUST, Wuhan, 430022, China
| | - Hao Jiang
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China.
| | - Juan Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, HUST, Wuhan, 430022, China.
| | - Jintao Zhu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China.
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Xu T, Gao S, Yang N, Zhao Q, Zhang Y, Li T, Liu Z, Han B. A personalized biomimetic dual-drug delivery system via controlled release of PTH 1-34 and simvastatin for in situ osteoporotic bone regeneration. Front Bioeng Biotechnol 2024; 12:1355019. [PMID: 38357710 PMCID: PMC10865375 DOI: 10.3389/fbioe.2024.1355019] [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: 12/13/2023] [Accepted: 01/17/2024] [Indexed: 02/16/2024] Open
Abstract
Patients with osteoporosis often encounter clinical challenges of poor healing after bone transplantation due to their diminished bone formation capacity. The use of bone substitutes containing bioactive factors that increase the number and differentiation of osteoblasts is a strategy to improve poor bone healing. In this study, we developed an in situ dual-drug delivery system containing the bone growth factors PTH1-34 and simvastatin to increase the number and differentiation of osteoblasts for osteoporotic bone regeneration. Our system exhibited ideal physical properties similar to those of natural bone and allowed for customizations in shape through a 3D-printed scaffold and GelMA. The composite system regulated the sustained release of PTH1-34 and simvastatin, and exhibited good biocompatibility. Cell studies revealed that the composite system reduced osteoblast death, and promoted expression of osteoblast differentiation markers. Additionally, by radiographic analysis and histological observation, the dual-drug composite system demonstrated promising bone regeneration outcomes in an osteoporotic skull defect model. In summary, this composite delivery system, comprising dual-drug administration, holds considerable potential for bone repair and may serve as a safe and efficacious therapeutic approach for addressing bone defects in patients with osteoporosis.
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Affiliation(s)
- Tongtong Xu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Jilin University, Changchun, Jilin, China
| | - Shang Gao
- Department of Stomatology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Nan Yang
- Department of Prosthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Qi Zhao
- Department of Prosthodontics, Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Jilin University, Changchun, Jilin, China
| | - Yutong Zhang
- School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin, China
| | - Tieshu Li
- School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin, China
| | - Zhihui Liu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Bing Han
- School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin, China
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Mohanto S, Narayana S, Merai KP, Kumar JA, Bhunia A, Hani U, Al Fatease A, Gowda BHJ, Nag S, Ahmed MG, Paul K, Vora LK. Advancements in gelatin-based hydrogel systems for biomedical applications: A state-of-the-art review. Int J Biol Macromol 2023; 253:127143. [PMID: 37793512 DOI: 10.1016/j.ijbiomac.2023.127143] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 10/06/2023]
Abstract
A gelatin-based hydrogel system is a stimulus-responsive, biocompatible, and biodegradable polymeric system with solid-like rheology that entangles moisture in its porous network that gradually protrudes to assemble a hierarchical crosslinked arrangement. The hydrolysis of collagen directs gelatin construction, which retains arginyl glycyl aspartic acid and matrix metalloproteinase-sensitive degeneration sites, further confining access to chemicals entangled within the gel (e.g., cell encapsulation), modulating the release of encapsulated payloads and providing mechanical signals to the adjoining cells. The utilization of various types of functional tunable biopolymers as scaffold materials in hydrogels has become highly attractive due to their higher porosity and mechanical ability; thus, higher loading of proteins, peptides, therapeutic molecules, etc., can be further modulated. Furthermore, a stimulus-mediated gelatin-based hydrogel with an impaired concentration of gellan demonstrated great shear thinning and self-recovering characteristics in biomedical and tissue engineering applications. Therefore, this contemporary review presents a concise version of the gelatin-based hydrogel as a conceivable biomaterial for various biomedical applications. In addition, the article has recapped the multiple sources of gelatin and their structural characteristics concerning stimulating hydrogel development and delivery approaches of therapeutic molecules (e.g., proteins, peptides, genes, drugs, etc.), existing challenges, and overcoming designs, particularly from drug delivery perspectives.
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Affiliation(s)
- Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India.
| | - Soumya Narayana
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India
| | - Khushboo Paresh Merai
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, Gujrat, India
| | - Jahanvee Ashok Kumar
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, Gujrat, India
| | - Adrija Bhunia
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India
| | - Umme Hani
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
| | - Adel Al Fatease
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
| | - B H Jaswanth Gowda
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India; School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast BT9 7BL, UK.
| | - Sagnik Nag
- Department of Bio-Sciences, School of Biosciences & Technology, Vellore Institute of Technology (VIT), Tiruvalam Rd, 632014, Tamil Nadu, India
| | - Mohammed Gulzar Ahmed
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India
| | - Karthika Paul
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education and Research (JSSAHER), Mysuru 570015, Karnataka, India
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast BT9 7BL, UK
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Heinemann C, Buchner F, Lee PS, Bernhardt A, Kruppke B, Wiesmann HP, Hintze V. Effects of Gamma Irradiation and Supercritical Carbon Dioxide Sterilization on Methacrylated Gelatin/Hyaluronan Hydrogels. J Funct Biomater 2023; 14:317. [PMID: 37367281 DOI: 10.3390/jfb14060317] [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: 04/24/2023] [Revised: 05/30/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
Biopolymer hydrogels have become an important group of biomaterials in experimental and clinical use. However, unlike metallic or mineral materials, they are quite sensitive to sterilization. The aim of this study was to compare the effects of gamma irradiation and supercritical carbon dioxide (scCO2) treatment on the physicochemical properties of different hyaluronan (HA)- and/or gelatin (GEL)-based hydrogels and the cellular response of human bone marrow-derived mesenchymal stem cells (hBMSC). Hydrogels were photo-polymerized from methacrylated HA, methacrylated GEL, or a mixture of GEL/HA. The composition and sterilization methods altered the dissolution behavior of the biopolymeric hydrogels. There were no significant differences in methacrylated GEL release but increased methacrylated HA degradation of gamma-irradiated samples. Pore size/form remained unchanged, while gamma irradiation decreased the elastic modulus from about 29 kPa to 19 kPa compared to aseptic samples. HBMSC proliferated and increased alkaline phosphatase activity (ALP) particularly in aseptic and gamma-irradiated methacrylated GEL/HA hydrogels alike, while scCO2 treatment had a negative effect on both proliferation and osteogenic differentiation. Thus, gamma-irradiated methacrylated GEL/HA hydrogels are a promising base for multi-component bone substitute materials.
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Affiliation(s)
- Christiane Heinemann
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - Frauke Buchner
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - Poh Soo Lee
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - Anne Bernhardt
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus, Faculty of Medicine, Technische Universität Dresden, D-01307 Dresden, Germany
| | - Benjamin Kruppke
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - Hans-Peter Wiesmann
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - Vera Hintze
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Budapester Str. 27, D-01069 Dresden, Germany
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9
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Wong SK, Yee MMF, Chin KY, Ima-Nirwana S. A Review of the Application of Natural and Synthetic Scaffolds in Bone Regeneration. J Funct Biomater 2023; 14:jfb14050286. [PMID: 37233395 DOI: 10.3390/jfb14050286] [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: 04/17/2023] [Revised: 05/12/2023] [Accepted: 05/19/2023] [Indexed: 05/27/2023] Open
Abstract
The management of bone defects is complicated by the presence of clinical conditions, such as critical-sized defects created by high-energy trauma, tumour resection, infection, and skeletal abnormalities, whereby the bone regeneration capacity is compromised. A bone scaffold is a three-dimensional structure matrix serving as a template to be implanted into the defects to promote vascularisation, growth factor recruitment, osteogenesis, osteoconduction, and mechanical support. This review aims to summarise the types and applications of natural and synthetic scaffolds currently adopted in bone tissue engineering. The merits and caveats of natural and synthetic scaffolds will be discussed. A naturally derived bone scaffold offers a microenvironment closer to in vivo conditions after decellularisation and demineralisation, exhibiting excellent bioactivity, biocompatibility, and osteogenic properties. Meanwhile, an artificially produced bone scaffold allows for scalability and consistency with minimal risk of disease transmission. The combination of different materials to form scaffolds, along with bone cell seeding, biochemical cue incorporation, and bioactive molecule functionalisation, can provide additional or improved scaffold properties, allowing for a faster bone repair rate in bone injuries. This is the direction for future research in the field of bone growth and repair.
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Affiliation(s)
- Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
| | - Michelle Min Fang Yee
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
| | - Soelaiman Ima-Nirwana
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, Cheras, Kuala Lumpur 56000, Malaysia
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Wei Y, Wang Z, Han J, Jiang X, Lei L, Yang X, Sun W, Gou Z, Chen L. Modularized bioceramic scaffold/hydrogel membrane hierarchical architecture beneficial for periodontal tissue regeneration in dogs. Biomater Res 2022; 26:68. [PMID: 36461132 PMCID: PMC9717521 DOI: 10.1186/s40824-022-00315-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/04/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Destruction of alveolar bone and periodontal ligament due to periodontal disease often requires surgical treatment to reconstruct the biological construction and functions of periodontium. Despite significant advances in dental implants in the past two decades, it remains a major challenge to adapt bone grafts and barrier membrane in surgery due to the complicated anatomy of tooth and defect contours. Herein, we developed a novel biphasic hierarchical architecture with modularized functions and shape based on alveolar bone anatomy to achieve the ideal outcomes. METHODS The integrated hierarchical architecture comprising of nonstoichiometric wollastonite (nCSi) scaffolds and gelatin methacrylate/silanized hydroxypropyl methylcellulose (GelMA/Si-HPMC) hydrogel membrane was fabricated by digital light processing (DLP) and photo-crosslinked hydrogel injection technique respectively. The rheological parameters, mechanical properties and degradation rates of composite hydrogels were investigated. L-929 cells were cultured on the hydrogel samples to evaluate biocompatibility and cell barrier effect. Cell scratch assay, alkaline phosphatase (ALP) staining, and alizarin red (AR) staining were used to reveal the migration and osteogenic ability of hydrogel membrane based on mouse mandible-derived osteoblasts (MOBs). Subsequently, a critical-size one-wall periodontal defect model in dogs was prepared to evaluate the periodontal tissue reconstruction potential of the biphasic hierarchical architecture. RESULTS The personalized hydrogel membrane integrating tightly with the nCSi scaffolds exhibited favorable cell viability and osteogenic ability in vitro, while the scratch assay showed that osteoblast migration was drastically correlated with Si-HPMC content in the composite hydrogel. The equivalent composite hydrogel has proven good physiochemical properties, and its membrane exhibited potent occlusive effect in vivo; meanwhile, the hierarchical architectures exerted a strong periodontal regeneration capability in the periodontal intrabony defect models of dogs. Histological examination showed effective bone and periodontal ligament regeneration in the biomimetic architecture system; however, soft tissue invasion was observed in the control group. CONCLUSIONS Our results suggested that such modularized hierarchical architectures have excellent potential as a next-generation oral implants, and this precisely tuned guided tissue regeneration route offer an opportunity for improving periodontal damage reconstruction and reducing operation sensitivity.
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Affiliation(s)
- Yingming Wei
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Zhongxiu Wang
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Jiayin Han
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Xiaojian Jiang
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Lihong Lei
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Xianyan Yang
- grid.13402.340000 0004 1759 700XBio-Nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystems Institute, Zhejiang University, Hangzhou, 310058 People’s Republic of China
| | - Weilian Sun
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
| | - Zhongru Gou
- grid.13402.340000 0004 1759 700XBio-Nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystems Institute, Zhejiang University, Hangzhou, 310058 People’s Republic of China
| | - Lili Chen
- grid.13402.340000 0004 1759 700XDepartment of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88#, Hangzhou, 310009 People’s Republic of China
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11
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Wang Z, Han L, Zhou Y, Cai J, Sun S, Ma J, Wang W, Li X, Ma L. The combination of a 3D-Printed porous Ti-6Al-4V alloy scaffold and stem cell sheet technology for the construction of biomimetic engineered bone at an ectopic site. Mater Today Bio 2022; 16:100433. [PMID: 36157052 PMCID: PMC9493059 DOI: 10.1016/j.mtbio.2022.100433] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/29/2022] Open
Abstract
Cell sheet technology has been widely used in bone tissue engineering and regenerative medicine. However, controlling the shape and volume of large pieces of engineered bone tissue remains impossible without additional suitable scaffolds. Three-dimensional (3D) printed titanium (Ti) alloy scaffolds are mostly used as implant materials for repairing bone defects, but the unsatisfactory bioactivities of traditional Ti-based scaffolds severely limit their clinical applications. Herein, we hypothesize that the combination of bone marrow mesenchymal stem cell (BMSC) sheet technology and 3D porous Ti–6Al–4V (PT) alloy scaffolds could be used to fabricate biomimetic engineered bone. First, various concentrations of BMSCs were directly cocultured with PT scaffolds to obtain complexes of osteoblastic cell sheets and scaffolds. Then, as an experimental control, an osteoblastic BMSC sheet was prepared by continuous culturing under osteogenic conditions for 2 weeks without passaging and used to wrap the scaffolds. The BMSC sheet was composed of several layers of extracellular matrix (ECM) and a mass of BMSCs. The BMSCs exhibited excellent adherent, proliferative and osteogenic potential when cocultured with PT scaffolds, which may be attributed to the ability of the 3D microstructure of scaffolds to facilitate the biological behaviors of cells, as confirmed by the in vitro results. Moreover, the presence of BMSCs and ECM increased the angiogenic potential of PT scaffolds by the secretion of VEGF. Micro-CT and histological analysis confirmed the in vivo formation of biomimetic engineered bone when the complex of cocultured BMSCs and PT scaffolds and the scaffolds wrapped by prepared BMSC sheets were implanted subcutaneously into nude mice. Therefore, the combination of BMSC sheet technology and 3D-printed PT scaffolds could be used to construct customized biomimetic engineered bone, offering a novel and promising strategy for the precise repair of bone defects.
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Affiliation(s)
- Zhifa Wang
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Leng Han
- Department of Pathology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Ye Zhou
- Laboratory of Basic Medicine, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Jiacheng Cai
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Shuohui Sun
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Junli Ma
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Weijian Wang
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Xiao Li
- Department of Stomatology, General Hospital of Southern Theater of PLA, Guangzhou, 510010, China
| | - Limin Ma
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
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12
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Phogat K, Ghosh SB, Bandyopadhyay‐Ghosh S. Recent advances on injectable nanocomposite hydrogels towards bone tissue rehabilitation. J Appl Polym Sci 2022. [DOI: 10.1002/app.53362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Kapender Phogat
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Department of Mechanical Engineering Manipal University Jaipur Jaipur Rajasthan India
- Department of Mechanical Engineering JECRC University Jaipur Rajasthan India
| | - Subrata Bandhu Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Department of Mechanical Engineering Manipal University Jaipur Jaipur Rajasthan India
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13
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Lv Z, Dong C, Zhang T, Zhang S. Hydrogels in Spinal Cord Injury Repair: A Review. Front Bioeng Biotechnol 2022; 10:931800. [PMID: 35800332 PMCID: PMC9253563 DOI: 10.3389/fbioe.2022.931800] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/26/2022] [Indexed: 12/18/2022] Open
Abstract
Traffic accidents and falling objects are responsible for most spinal cord injuries (SCIs). SCI is characterized by high disability and tends to occur among the young, seriously affecting patients' lives and quality of life. The key aims of repairing SCI include preventing secondary nerve injury, inhibiting glial scarring and inflammatory response, and promoting nerve regeneration. Hydrogels have good biocompatibility and degradability, low immunogenicity, and easy-to-adjust mechanical properties. While providing structural scaffolds for tissues, hydrogels can also be used as slow-release carriers in neural tissue engineering to promote cell proliferation, migration, and differentiation, as well as accelerate the repair of damaged tissue. This review discusses the characteristics of hydrogels and their advantages as delivery vehicles, as well as expounds on the progress made in hydrogel therapy (alone or combined with cells and molecules) to repair SCI. In addition, we discuss the prospects of hydrogels in clinical research and provide new ideas for the treatment of SCI.
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Affiliation(s)
- Zhenshan Lv
- The Department of Spinal Surgery, 1st Hospital, Jilin University, Jilin Engineering Research Center for Spine and Spine Cord Injury, Changchun, China
| | - Chao Dong
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Tianjiao Zhang
- Medical Insurance Management Department, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shaokun Zhang
- The Department of Spinal Surgery, 1st Hospital, Jilin University, Jilin Engineering Research Center for Spine and Spine Cord Injury, Changchun, China
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14
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Xu F, Dawson C, Lamb M, Mueller E, Stefanek E, Akbari M, Hoare T. Hydrogels for Tissue Engineering: Addressing Key Design Needs Toward Clinical Translation. Front Bioeng Biotechnol 2022; 10:849831. [PMID: 35600900 PMCID: PMC9119391 DOI: 10.3389/fbioe.2022.849831] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/12/2022] [Indexed: 12/15/2022] Open
Abstract
Graphical Abstract
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Affiliation(s)
- Fei Xu
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
| | - Chloe Dawson
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
| | - Makenzie Lamb
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
| | - Eva Mueller
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
| | - Evan Stefanek
- Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
- Center for Advanced Materials and Related Technologies, University of Victoria, Victoria, BC, Canada
| | - Mohsen Akbari
- Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
- Center for Advanced Materials and Related Technologies, University of Victoria, Victoria, BC, Canada
- Biotechnology Center, Silesian University of Technology, Gliwice, Poland
- *Correspondence: Mohsen Akbari, ; Todd Hoare,
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
- *Correspondence: Mohsen Akbari, ; Todd Hoare,
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15
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GelMA Hydrogel Reinforced with 3D Printed PEGT/PBT Scaffolds for Supporting Epigenetically-Activated Human Bone Marrow Stromal Cells for Bone Repair. J Funct Biomater 2022; 13:jfb13020041. [PMID: 35466223 PMCID: PMC9036254 DOI: 10.3390/jfb13020041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/28/2022] [Accepted: 04/06/2022] [Indexed: 12/15/2022] Open
Abstract
Epigenetic approaches using the histone deacetylase 2 and 3 inhibitor-MI192 have been reported to accelerate stem cells to form mineralised tissues. Gelatine methacryloyl (GelMA) hydrogels provide a favourable microenvironment to facilitate cell delivery and support tissue formation. However, their application for bone repair is limited due to their low mechanical strength. This study aimed to investigate a GelMA hydrogel reinforced with a 3D printed scaffold to support MI192-induced human bone marrow stromal cells (hBMSCs) for bone formation. Cell culture: The GelMA (5 wt%) hydrogel supported the proliferation of MI192-pre-treated hBMSCs. MI192-pre-treated hBMSCs within the GelMA in osteogenic culture significantly increased alkaline phosphatase activity (p ≤ 0.001) compared to control. Histology: The MI192-pre-treated group enhanced osteoblast-related extracellular matrix deposition and mineralisation (p ≤ 0.001) compared to control. Mechanical testing: GelMA hydrogels reinforced with 3D printed poly(ethylene glycol)-terephthalate/poly(butylene terephthalate) (PEGT/PBT) scaffolds exhibited a 1000-fold increase in the compressive modulus compared to the GelMA alone. MI192-pre-treated hBMSCs within the GelMA–PEGT/PBT constructs significantly enhanced extracellular matrix collagen production and mineralisation compared to control (p ≤ 0.001). These findings demonstrate that the GelMA–PEGT/PBT construct provides enhanced mechanical strength and facilitates the delivery of epigenetically-activated MSCs for bone augmentation strategies.
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16
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Al Maruf DSA, Parthasarathi K, Cheng K, Mukherjee P, McKenzie DR, Crook JM, Wallace GG, Clark JR. Current and future perspectives on biomaterials for segmental mandibular defect repair. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2052729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- D S Abdullah Al Maruf
- Craniomaxillofacial Prosthetic and Advanced Reconstructive Translational Surgery, Chris O’Brien Lifehouse, Camperdown, Australia
- Central Clinical School, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Krishnan Parthasarathi
- Craniomaxillofacial Prosthetic and Advanced Reconstructive Translational Surgery, Chris O’Brien Lifehouse, Camperdown, Australia
| | - Kai Cheng
- Craniomaxillofacial Prosthetic and Advanced Reconstructive Translational Surgery, Chris O’Brien Lifehouse, Camperdown, Australia
- The Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Camperdown, Australia
| | - Payal Mukherjee
- Craniomaxillofacial Prosthetic and Advanced Reconstructive Translational Surgery, Chris O’Brien Lifehouse, Camperdown, Australia
- The Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Camperdown, Australia
| | - David R. McKenzie
- Biomedical Innovation, Chris O’Brien Lifehouse, Camperdown, Australia
- School of Physics, Faculty of Science, The University of Sydney, Camperdown, Australia
| | - Jeremy M. Crook
- Biomedical Innovation, Chris O’Brien Lifehouse, Camperdown, Australia
- Sarcoma and Surgical Research Centre, Chris O’Brien Lifehouse, Camperdown, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, The University of Wollongong, Wollongong, Australia
- Illawarrah Health and Medical Research Institute, The University of Wollongong, Wollongong, Australia
| | - Gordon G. Wallace
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, The University of Wollongong, Wollongong, Australia
| | - Jonathan R. Clark
- Craniomaxillofacial Prosthetic and Advanced Reconstructive Translational Surgery, Chris O’Brien Lifehouse, Camperdown, Australia
- Central Clinical School, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- The Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Camperdown, Australia
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17
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Abstract
There is a major focus on natural biopolymers of bacterial, animal, or plant origin as ecological materials, replacing petrochemical products. Biologically derived polylactide (PLA), polyhydroxybutyrate (PHB), and polyhydroxyalkanoates (PHA) possess interesting properties, but they are currently too expensive for most applications. Therefore, researchers try to find other biopolymers that are both durable and cheap enough to replace plastics in some applications. One possible candidate is gelatin, which can be transformed into a thin, translucent film that is flexible and has stable and high mechanical properties. Here, we present a method of synthesizing a composite material from gelatin. For preparation of such material, we used gelatin of animal origin (pig skin) with the addition of casein, food gelatin, glycerin, and enzymes as biocatalysts of chemical modification and further extraction of gelatin from collagen. Compositions forming films with homogeneous shapes and good mechanical properties were selected (Tensile strength reaches 3.11 MPa, while the highest value of elongation at break is 97.96%). After administering the samples to microbial scaring, the composites completely decomposed under the action of microorganisms within 30 days, which proves their biodegradation.
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18
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Li J, Wang W, Li M, Song P, Lei H, Gui X, Zhou C, Liu L. Biomimetic Methacrylated Gelatin Hydrogel Loaded With Bone Marrow Mesenchymal Stem Cells for Bone Tissue Regeneration. Front Bioeng Biotechnol 2021; 9:770049. [PMID: 34926420 PMCID: PMC8675867 DOI: 10.3389/fbioe.2021.770049] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/08/2021] [Indexed: 02/05/2023] Open
Abstract
Large-segment bone defect caused by trauma or tumor is one of the most challenging problems in orthopedic clinics. Biomimetic materials for bone tissue engineering have developed dramatically in the past few decades. The organic combination of biomimetic materials and stem cells offers new strategies for tissue repair, and the fate of stem cells is closely related to their extracellular matrix (ECM) properties. In this study, a photocrosslinked biomimetic methacrylated gelatin (Bio-GelMA) hydrogel scaffold was prepared to simulate the physical structure and chemical composition of the natural bone extracellular matrix, providing a three-dimensional (3D) template and extracellular matrix microenvironment. Bone marrow mesenchymal stem cells (BMSCS) were encapsulated in Bio-GelMA scaffolds to examine the therapeutic effects of ECM-loaded cells in a 3D environment simulated for segmental bone defects. In vitro results showed that Bio-GelMA had good biocompatibility and sufficient mechanical properties (14.22kPa). A rat segmental bone defect model was constructed in vivo. The GelMA-BMSC suspension was added into the PDMS mold with the size of the bone defect and photocured as a scaffold. BMSC-loaded Bio-GelMA resulted in maximum and robust new bone formation compared with hydrogels alone and stem cell group. In conclusion, the bio-GelMA scaffold can be used as a cell carrier of BMSC to promote the repair of segmental bone defects and has great potential in future clinical applications.
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Affiliation(s)
- Jun Li
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Wenzhao Wang
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Mingxin Li
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Ping Song
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Haoyuan Lei
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Xingyu Gui
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Changchun Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Lei Liu
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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19
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Bahraminasab M, Janmohammadi M, Arab S, Talebi A, Nooshabadi VT, Koohsarian P, Nourbakhsh MS. Bone Scaffolds: An Incorporation of Biomaterials, Cells, and Biofactors. ACS Biomater Sci Eng 2021; 7:5397-5431. [PMID: 34797061 DOI: 10.1021/acsbiomaterials.1c00920] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Large injuries to bones are still one of the most challenging musculoskeletal problems. Tissue engineering can combine stem cells, scaffold biomaterials, and biofactors to aid in resolving this complication. Therefore, this review aims to provide information on the recent advances made to utilize the potential of biomaterials for making bone scaffolds and the assisted stem cell therapy and use of biofactors for bone tissue engineering. The requirements and different types of biomaterials used for making scaffolds are reviewed. Furthermore, the importance of stem cells and biofactors (growth factors and extracellular vesicles) in bone regeneration and their use in bone scaffolds and the key findings are discussed. Lastly, some of the main obstacles in bone tissue engineering and future trends are highlighted.
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Affiliation(s)
- Marjan Bahraminasab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Mahsa Janmohammadi
- Department of Biomedical Engineering, Faculty of New Sciences and Technologies, Semnan University, Semnan 3513119111, Iran
| | - Samaneh Arab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Athar Talebi
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Vajihe Taghdiri Nooshabadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Parisa Koohsarian
- Department of Biochemistry and Hematology, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran
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20
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Poly (l-lactic acid) membrane crosslinked with Genipin for guided bone regeneration. Int J Biol Macromol 2021; 191:1228-1239. [PMID: 34619279 DOI: 10.1016/j.ijbiomac.2021.09.137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/08/2021] [Accepted: 09/17/2021] [Indexed: 12/20/2022]
Abstract
In this study, we chemically modified poly(L-lactic acid) (PLLA) with functional amine groups and fabricated a PLLA membrane crosslinked with genipin as a biomembrane for inducing guided bone regeneration (GBR). The mechanical strength of the PLLA-amine membrane was improved by crosslinking with genipin compared to pure PLLA membrane. The surface of the PLLA-amine membrane crosslinked with genipin had many more uniform pores. Attachment and proliferation of MC3T3-E1 cells were increased and improved on the PLLA-amine membrane crosslinked with genipin. In an in vitro osteogenesis study, MC3T3-E1 cells on the PLLA membrane showed higher alkaline phosphatase (ALP) activity and calcification ability evaluated by alizarin red S staining than those on the pure PLLA membrane. When a skull defect hole of a rat was covered with the PLLA-amine membrane crosslinked with genipin, vigorous new bone regeneration determined by computed tomography at 8 weeks post operation was superior to that when the skull defect was covered with the pure PLLA membrane. Taken together, these results demonstrate that the PLLA-amine membrane crosslinked with genipin has a promising therapeutic application to GBR as a barrier membrane for covering the defect site.
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21
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Biofabrication of Cell-Laden Gelatin Methacryloyl Hydrogels with Incorporation of Silanized Hydroxyapatite by Visible Light Projection. Polymers (Basel) 2021; 13:polym13142354. [PMID: 34301111 PMCID: PMC8309475 DOI: 10.3390/polym13142354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 11/17/2022] Open
Abstract
Gelatin methacryloyl (GelMA) hydrogel is a photopolymerizable biomaterial widely used for three-dimensional (3D) cell culture due to its high biocompatibility. However, the drawback of GelMA hydrogel is its poor mechanical properties, which may compromise the feasibility of biofabrication techniques. In this study, a cell-laden GelMA composite hydrogel with a combination incorporating silanized hydroxyapatite (Si-HAp) and a simple and harmless visible light crosslinking system for this hydrogel were developed. The incorporation of Si-HAp into the GelMA hydrogel enhanced the mechanical properties of the composite hydrogel. Moreover, the composite hydrogel exhibited low cytotoxicity and promoted the osteogenic gene expression of embedded MG63 cells and Human bone marrow mesenchymal stem cells (hBMSCs). We also established a maskless lithographic method to fabricate a defined 3D structure under visible light by using a digital light processing projector, and the incorporation of Si-HAp increased the resolution of photolithographic hydrogels. The GelMA-Si-HAp composite hydrogel system can serve as an effective biomaterial in bone regeneration.
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22
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Shi C, Yao Y, Wang L, Sun P, Feng J, Wu G. Human Salivary Histatin-1-Functionalized Gelatin Methacrylate Hydrogels Promote the Regeneration of Cartilage and Subchondral Bone in Temporomandibular Joints. Pharmaceuticals (Basel) 2021; 14:ph14050484. [PMID: 34069458 PMCID: PMC8159088 DOI: 10.3390/ph14050484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/08/2021] [Accepted: 05/12/2021] [Indexed: 02/06/2023] Open
Abstract
The avascular structure and lack of regenerative cells make the repair of osteochondral defects in the temporomandibular joint (TMJ) highly challenging in the clinic. To provide a viable treatment option, we developed a methacrylated gelatin (Gel-MA) hydrogel functionalized with human salivary histatin-1 (Hst1). Gel-MA is highly biocompatible, biodegradable, and cost-effective. Hst1 is capable of activating a series of cell activities, such as adhesion, migration, differentiation, and angiogenesis. To evaluate the efficacy of Hst1/Gel-MA, critical-size osteochondral defects (3 mm in diameter and 3 mm in depth) of TMJ in New Zealand white rabbits were surgically created and randomly assigned to one of the three treatment groups: (1) control (no filling material); (2) Gel-MA hydrogel; (3) Hst1/Gel-MA hydrogel. Samples were retrieved 1, 2, and 4 weeks post-surgery and subjected to gross examination and a series of histomorphometric and immunological analyses. In comparison with the control and Gel-MA alone groups, Hst1/Gel-MA hydrogel was associated with significantly higher International Cartilage Repair Society score, modified O’Driscoll score, area percentages of newly formed bone, cartilage, collagen fiber, and glycosaminoglycan, and expression of collagen II and aggrecan. In conclusion, Hst1/Gel-MA hydrogels significantly enhance bone and cartilage regeneration, thus bearing promising application potential for repairing osteochondral defects.
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Affiliation(s)
- Changjing Shi
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Yu Yao
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Lei Wang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam (VU), Amsterdam Movement Science, 1081 LA Amsterdam, The Netherlands
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and Vrije Universiteit Amsterdam (VU), 1081 LA Amsterdam, The Netherlands
| | - Ping Sun
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, The Affiliated Hospital of Stomatology School of Stomatology, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Jianying Feng
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Gang Wu
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam (VU), Amsterdam Movement Science, 1081 LA Amsterdam, The Netherlands
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and Vrije Universiteit Amsterdam (VU), 1081 LA Amsterdam, The Netherlands
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23
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Sri Ramakrishnan L, Ps U, Sabu CK, Krishnan AG, Nair MB. Effect of wheat gluten on improved thermal cross-linking and osteogenesis of hydroxyapatite-gelatin composite scaffolds. Int J Biol Macromol 2021; 183:1200-1209. [PMID: 33961879 DOI: 10.1016/j.ijbiomac.2021.04.181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/22/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022]
Abstract
Promising strategies to stabilize gelatin or collagen include glutaraldehyde-based chemical cross-linking or dehydrothermal treatment at different temperatures (120-180 °C). However, these procedures require 24-48 h for complete cross-linking to occur. The present study aims to evaluate the role of wheat gluten on enhancing thermal cross-linking of silica-nanohydroxyapatite (nanoHA)-gelatin composite scaffolds within a shorter period (2 h). Changes in properties were evaluated by varying the ratio of gelatin and gluten in silica-nanoHA matrix (60 wt% ceramic: 40 wt% polymer). The results showed that the scaffolds cross-linked at 170 °C were stable in phosphate-buffered saline for 21 days. It was crystalline and porous in nature. However, the scaffolds with high weight percentage of wheat gluten were brittle, while those with low gluten degraded fast in vitro. The mesenchymal stem cells could adhere, proliferate and differentiate into osteogenic lineage on wheat gluten-containing scaffolds for 21 days (mainly medium concentration). The scaffold also supported new bone formation in critical-sized rat calvarial defect, showing its osteoconductive and osteointegrative nature. In short, this study showed the potential of wheat gluten on improving thermal cross-linking within a shorter period and its suitability to use as a biomimetic bone graft for bone tissue engineering.
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Affiliation(s)
- Lalitha Sri Ramakrishnan
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Unnikrishnan Ps
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Chinchu K Sabu
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Amit G Krishnan
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India
| | - Manitha B Nair
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Vishwa Vidyapeetham, Kochi, Kerala 682024, India.
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24
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Photobiomodulation combined with adipose-derived stem cells encapsulated in methacrylated gelatin hydrogels enhances in vivo bone regeneration. Lasers Med Sci 2021; 37:595-606. [PMID: 33839962 DOI: 10.1007/s10103-021-03308-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 03/28/2021] [Indexed: 12/11/2022]
Abstract
Reconstruction of bone defects is still a significant challenge. The aim of this study was to evaluate the effect of application of photobiomodulation (PBM) to enhance in vivo bone regeneration and osteogenic differentiation potential of adipose-derived stem cells (ADSCs) encapsulated in methacrylated gelatin (GEL-MA) hydrogels. Thirty-six Sprague-Dawley rats were randomly separated into 3 experimental groups (n = 12 each). The groups were control/blank defect (I), GEL-MA hydrogel (II), and ADSC-loaded GEL-MA (GEL-MA+ADSC) hydrogel (III). Biparietal critical sized bone defects (6 mm in size) are created in each animal. Half of the animals from each group (n = 6 each) were randomly selected for PBM application using polychromatic light in the near infrared region, 600-1200 nm. PBM was administered from 10 cm distance cranially in 48 h interval. The calvaria were harvested at the 20th week, and macroscopic, microtomographic, and histologic evaluation were performed for further analysis. Microtomographic evaluation demonstrated the highest result for mineralized matrix formation (MMF) in group III. PBM receiving samples of group III showed mean MMF of 79.93±3.41%, whereas the non-PBM receiving samples revealed mean MMF of 60.62±6.34 % (p=0.002). In terms of histologic evaluation of bone defect repair, the higher scores were obtained in the groups II and III when compared to the control group (2.0 for both PBM receiving and non-receiving specimens; p<0.001). ADSC-loaded microwave-induced GEL-MA hydrogels and periodic application of photobiomodulation with polychromatic light appear to have beneficial effect on bone regeneration and can stimulate ADSCs for osteogenic differentiation.
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25
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Nanohydroxyapatite incorporated photocrosslinked gelatin methacryloyl/poly(ethylene glycol)diacrylate hydrogel for bone tissue engineering. Prog Biomater 2021; 10:43-51. [PMID: 33768485 DOI: 10.1007/s40204-021-00150-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 02/09/2021] [Indexed: 10/21/2022] Open
Abstract
The development of novel strategies that aim to augment the regenerative potential of bone is critical for devising better treatment options for bone defects or injuries. Facilitation of bone repair and regeneration utilizing composite hydrogels that simulates bone matrix is emerging as a viable approach in bone tissue engineering. The present study aimed to develop nanohydroxyapatite-incorporated gelatin methacryloyl (GelMA)/poly(ethylene glycol) diacrylate (PEGDA) hydrogel (GMPH hydrogel). A facile blending and photocrosslinking approach was employed to incorporate nanohydroxyapatite into the inter-crosslinked polymeric hydrogel network to obtain an ECM mimicking matrix for assisting bone tissue regeneration. Chemical characterization of GelMA and the GMPH hydrogel was carried out using FTIR and 1H NMR. Physical properties of GMPH, such as gelation, swelling and degradation ratios, and internal morphology, signified the suitability of GMPH hydrogel for tissue engineering. Cell viability assay demonstrated a healthy proliferation of MG63 osteoblast cells in GMPH hydrogel extracted growth medium, indicating the hydrogel's cytocompatibility and suitability for bone tissue engineering. Our study documented the fabrication of a novel GelMA/PEGDA-nanohydroxyapatite hydrogel that possesses ideal physicochemical and biological properties for bone tissue engineering.
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26
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Ma L, Wang X, Zhou Y, Ji X, Cheng S, Bian D, Fan L, Zhou L, Ning C, Zhang Y. Biomimetic Ti-6Al-4V alloy/gelatin methacrylate hybrid scaffold with enhanced osteogenic and angiogenic capabilities for large bone defect restoration. Bioact Mater 2021; 6:3437-3448. [PMID: 33817419 PMCID: PMC7988351 DOI: 10.1016/j.bioactmat.2021.03.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 02/07/2023] Open
Abstract
Titanium-based scaffolds are widely used implant materials for bone defect treatment. However, the unmatched biomechanics and poor bioactivities of conventional titanium-based implants usually lead to insufficient bone integration. To tackle these challenges, it is critical to develop novel titanium-based scaffolds that meet the bioadaptive requirements for load-bearing critical bone defects. Herein, inspired by the microstructure and mechanical properties of natural bone tissue, we developed a Ti–6Al–4V alloy (TC4)/gelatin methacrylate (GelMA) hybrid scaffold with dual bionic features (GMPT) for bone defect repair. GMPT is composed of a hard 3D-printed porous TC4 metal scaffold (PT) backbone, which mimics the microstructure and mechanical properties of natural cancellous bone, and a soft GelMA hydrogel matrix infiltrated into the pores of PT that mimics the microenvironment of the extracellular matrix. Ascribed to the unique dual bionic design, the resultant GMPT demonstrates better osteogenic and angiogenic capabilities than PT, as confirmed by the in vitro and rabbit radius bone defect experimental results. Moreover, controlling the concentration of GelMA (10%) in GMPT can further improve the osteogenesis and angiogenesis of GMPT. The fundamental mechanisms were revealed by RNA-Seq analysis, which showed that the concentration of GelMA significantly influenced the expression of osteogenesis- and angiogenesis-related genes via the Pi3K/Akt/mTOR pathway. The results of this work indicate that our dual bionic implant design represents a promising strategy for the restoration of large bone defects. A novel TC4/GelMA hybrid scaffold (GMPT) was designed to mimic natural bone microstructure and mechanical property. The GMPT with 10 wt% of GelMA showed best capability for promoting osteogenesis and angiogenesis. A bioactive soft surface with suitable stiffness can activate focal adhesion pathway and the downstream PI3K/AKT pathway.
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Affiliation(s)
- Limin Ma
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China
| | - Xiaolan Wang
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China.,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Ye Zhou
- Laboratory of Basic Medicine, General Hospital of Southern Theatre Command of the PLA, Guangzhou, 510010, China
| | - Xiongfa Ji
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China
| | - Shi Cheng
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China
| | - Dong Bian
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China
| | - Lei Fan
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Lei Zhou
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Chengyun Ning
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Yu Zhang
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, China
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27
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Choi JB, Kim YK, Byeon SM, Park JE, Bae TS, Jang YS, Lee MH. Fabrication and Characterization of Biodegradable Gelatin Methacrylate/Biphasic Calcium Phosphate Composite Hydrogel for Bone Tissue Engineering. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:617. [PMID: 33801249 PMCID: PMC7999599 DOI: 10.3390/nano11030617] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/04/2021] [Accepted: 02/15/2021] [Indexed: 02/04/2023]
Abstract
In the field of bone tissue, maintaining adequate mechanical strength and tissue volume is an important part. Recently, biphasic calcium phosphate (BCP) was fabricated to solve the shortcomings of hydroxyapatite (HA) and beta-tricalcium phosphate (β-TCP), and it is widely studied in the field of bone-tissue engineering. In this study, a composite hydrogel was fabricated by applying BCP to gelatin methacrylate (GelMA). It was tested by using a mechanical tester, to characterize the mechanical properties of the prepared composite hydrogel. The fabricated BCP was analyzed through FTIR and XRD. As a result, a different characteristic pattern from hydroxyapatite (HA) and beta-tricalcium phosphate (β-TCP) was observed, and it was confirmed that it was successfully bound to the hydrogel. Then, the proliferation and differentiation of preosteoblasts were checked to evaluate cell viability. The analysis results showed high cell viability and relatively high bone differentiation ability in the composite hydrogel to which BCP was applied. These features have been shown to be beneficial for bone regeneration by maintaining the volume and shape of the hydrogel. In addition, hydrogels can be advantageous for clinical use, as they can shape the structure of the material for custom applications.
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Affiliation(s)
- Ji-Bong Choi
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
| | - Yu-Kyoung Kim
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
| | - Seon-Mi Byeon
- Dental Clinic of Ebarun, Suncheon-si 57999, Jeollanam-do, Korea;
| | - Jung-Eun Park
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
| | - Tae-Sung Bae
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
| | - Yong-Seok Jang
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
| | - Min-Ho Lee
- Department of Dental Biomaterials, Institute of Biodegradable Materials, School of Dentistry, Jeonbuk National University, Jeonju-si 54896, Jeollabuk-do, Korea; (J.-B.C.); (Y.-K.K.); (J.-E.P.); (T.-S.B.)
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28
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Wang L, Fu H, Wang W, Liu Y, Li X, Yang J, Li L, Wu G, Pan Y. Notoginsenoside R1 functionalized gelatin hydrogels to promote reparative dentinogenesis. Acta Biomater 2021; 122:160-171. [PMID: 33348063 DOI: 10.1016/j.actbio.2020.12.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022]
Abstract
Pulp-capping materials are commonly adopted in the clinic to form reparative dentin and thus protect dental pulp tissues from cases of deep caries, accidentally exposed pulps or partial pulpotomy. Some traditional pulp capping materials used in the clinic include calcium hydroxide and mineral trioxide aggregates. However, there are limitations to thin restorative dentin, and a long period of time is needed to cause degenerative changes in dental pulp. In this paper, injectable colloidal gels were developed to induce the formation of reparative dentin through a simple UV method from methacrylic acid functionalized gelatin loaded with notoginsenoside R1 (Gel-MA/NGR1). The results of the physicochemical property examinations showed that the prepared Gel-MA/NGR1 hydrogel possessed an appropriate interconnected porous microarchitecture with a pore size of 10.5 micrometres and suitable mechanical properties with a modulus of 50-60 kPa, enabling cell adhesion and proliferation. The hydrogel remained hydrophilic with sustained drug release performance. In addition, Gel-MA/NGR1 significantly enhanced the odontogenetic differentiation of mouse dental papilla cells by elevating the expression levels of the dentinogenic markers ALP and OCN and extracellular matrix mineralization. In vivo stimulation was carried out by injecting the precursors into the predrilled alveolar cavity of Sprague-Dawley rats followed by immediate in situ UV crosslinking. The results showed that Gel-MA/NGR1 has a strong capacity to promote reparative dentin formation. Haematoxylin& eosin, Masson, and immunohistochemical staining (DMP-1, DSPP, OCN and RUNX2) and micro-CT were employed to illustrate the effectiveness of dentinogenesis, and the relative volumes of calcification were found to have increased ~175-fold. All of the results showed that the Gel-MA/NGR1 hydrogel promoted reparative dentin formation, which suggests that this hydrogel provides great potential as a pulp-capping material to induce dentin formation.
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Affiliation(s)
- Lei Wang
- Institute of Stomatology, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang325027, China; Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and VrijeUniversiteit Amsterdam (VU), 1081 LA, Amsterdam, the Netherlands; Wenzhou Institute of Biomaterials & Engineering, University of Chinese Academy of Science, Wenzhou, Zhejiang325027, China
| | - Hui Fu
- Institute of Stomatology, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang325027, China
| | - Wenwen Wang
- Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing210008, China; Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute of Biomaterials and Engineering, Wenzhou, Zhejiang325027, China
| | - Yi Liu
- Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou510140, China
| | - Xumin Li
- Institute of Stomatology, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang325027, China; Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and VrijeUniversiteit Amsterdam (VU), 1081 LA, Amsterdam, the Netherlands
| | - Jijing Yang
- Institute of Stomatology, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang325027, China
| | - Lingli Li
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Wenzhou Medical University, Wenzhou325027, China.
| | - Gang Wu
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and VrijeUniversiteit Amsterdam (VU), 1081 LA, Amsterdam, the Netherlands; Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), VrijeUniversiteit Amsterdam (VU), Amsterdam Movement Science, Amsterdam, the Netherlands.
| | - Yihuai Pan
- Institute of Stomatology, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang325027, China; Department of Endodontics, School & Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China.
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29
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Bittner SM, Pearce HA, Hogan KJ, Smoak MM, Guo JL, Melchiorri AJ, Scott DW, Mikos AG. Swelling Behaviors of 3D Printed Hydrogel and Hydrogel-Microcarrier Composite Scaffolds. Tissue Eng Part A 2021; 27:665-678. [PMID: 33470161 DOI: 10.1089/ten.tea.2020.0377] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The present study sought to demonstrate the swelling behavior of hydrogel-microcarrier composite constructs to inform their use in controlled release and tissue engineering applications. In this study, gelatin methacrylate (GelMA) and GelMA-gelatin microparticle (GMP) composite constructs were three-dimensionally printed, and their swelling and degradation behavior was evaluated over time and as a function of the degree of crosslinking of included GMPs. GelMA-only constructs and composite constructs loaded with GMPs crosslinked with 10 mM (GMP-10) or 40 mM (GMP-40) glutaraldehyde were swollen in phosphate-buffered saline for up to 28 days to evaluate changes in swelling and polymer loss. In addition, scaffold reswelling capacity was evaluated under five successive drying-rehydration cycles. All printed materials demonstrated shear thinning behavior, with microparticle additives significantly increasing viscosity relative to the GelMA-only solution. Swelling results demonstrated that for GelMA/GMP-10 and GelMA/GMP-40 scaffolds, fold and volumetric swelling were statistically higher and lower, respectively, than for GelMA-only scaffolds after 28 days, and the volumetric swelling of GelMA and GelMA/GMP-40 scaffolds decreased over time. After 5 drying-rehydration cycles, GelMA scaffolds demonstrated higher fold swelling than both GMP groups while also showing lower volumetric swelling than GMP groups. Although statistical differences were not observed in the swelling of GMP-10 and GMP-40 particles alone, the interaction of GelMA/GMP demonstrated a significant effect on the swelling behaviors of composite scaffolds. These results demonstrate an example hydrogel-microcarrier composite system's swelling behavior and can inform the future use of such a composite system for controlled delivery of bioactive molecules in vitro and in vivo in tissue engineering applications. Impact statement In this study, porous three-dimensional printed (3DP) hydrogel constructs with and without natural polymer microcarriers were fabricated to observe swelling and degradation behavior under continuous swelling and drying-rehydration cycle conditions. Inclusion of microcarriers with different crosslinking densities led to distinct swelling behaviors for each biomaterial ink tested. 3DP hydrogel and hydrogel-microcarrier composite scaffolds have been commonly used in tissue engineering for the delivery of biomolecules. This study demonstrates the swelling behavior of porous hydrogel and hydrogel-microcarrier scaffolds that may inform later use of such materials for controlled release applications in a variety of fields including materials development and tissue regeneration.
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Affiliation(s)
- Sean M Bittner
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Hannah A Pearce
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Katie J Hogan
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA.,Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas, USA
| | - Mollie M Smoak
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Jason L Guo
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Anthony J Melchiorri
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - David W Scott
- Department of Statistics, Rice University, Houston, Texas, USA
| | - Antonios G Mikos
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
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30
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El-Habashy SE, Eltaher HM, Gaballah A, Zaki EI, Mehanna RA, El-Kamel AH. Hybrid bioactive hydroxyapatite/polycaprolactone nanoparticles for enhanced osteogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 119:111599. [PMID: 33321643 DOI: 10.1016/j.msec.2020.111599] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/20/2020] [Accepted: 09/23/2020] [Indexed: 02/05/2023]
Abstract
Hydroxyapatite nanoparticles (HApN) are largely employed as osteogenic inorganic material. Inorganic/polymeric hybrid nanostructures can provide versatile bioactivity for superior osteogenicity, particularly as nanoparticles. Herein, we present hybrid biomaterial-based hydroxyapatite/polycaprolactone nanoparticles (HAp/PCL NPs) realized using simple preparation techniques to augment HApN osteogenicity. Using wet chemical precipitation, we optimized HApN crystalline properties utilizing a 23-factorial design. Optimized HApN exhibited typical Ca/P elemental ratio with high reaction yield. Surface area analysis revealed their mesoporous nature and high surface area. Hybrid HAp/PCL NPs prepared using direct emulsification-solvent evaporation maintained HApN crystallinity with no observed chemical interactions. To the best of our knowledge, we are the first to elaborate the biocompatibility and osteogenicity of nanoparticulate hybrid HAp/PCL. Hybrid HAp/PCL NPs outperformed HApN regarding mesenchymal cell proliferation and osteodifferentiation with reduction of possible cytotoxicity. Unlike HApN, hybrid HAp/PCL NPs presented moderate expression of early osteogenic markers, Runx-2 and osteopontin and significantly elevated expression of the late osteogenic marker, bone sialoprotein after 10-day culture. Our results indicate that hybrid bioactive HAp/PCL NPs could offer a more prominent osteogenic potential than plain HApN for bone regenerative applications as a standalone nanoplatform or as part of complex engineered systems.
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Affiliation(s)
- Salma E El-Habashy
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Hoda M Eltaher
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Ahmed Gaballah
- Microbiology Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Eiman I Zaki
- Histology and Cell Biology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Radwa A Mehanna
- Medical Physiology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt; Center of Excellence for Research in Regenerative Medicine and Applications CERRMA, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Amal H El-Kamel
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt.
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31
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Elkhoury K, Sanchez-Gonzalez L, Lavrador P, Almeida R, Gaspar V, Kahn C, Cleymand F, Arab-Tehrany E, Mano JF. Gelatin Methacryloyl (GelMA) Nanocomposite Hydrogels Embedding Bioactive Naringin Liposomes. Polymers (Basel) 2020; 12:polym12122944. [PMID: 33317207 PMCID: PMC7764353 DOI: 10.3390/polym12122944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/07/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023] Open
Abstract
The development of nanocomposite hydrogels that take advantage of hierarchic building blocks is gaining increased attention due to their added functionality and numerous biomedical applications. Gathering on the unique properties of these platforms, herein we report the synthesis of bioactive nanocomposite hydrogels comprising naringin-loaded salmon-derived lecithin nanosized liposomal building blocks and gelatin methacryloyl (GelMA) macro-sized hydrogels for their embedding. This platform takes advantage of liposomes’ significant drug loading capacity and their role in hydrogel network reinforcement, as well as of the injectability and light-mediated crosslinking of bioderived gelatin-based biomaterials. First, the physicochemical properties, as well as the encapsulation efficiency, release profile, and cytotoxicity of naringin-loaded nanoliposomes (LipoN) were characterized. Then, the effect of embedding LipoN in the GelMA matrix were characterized by studying the release behavior, swelling ratio, and hydrophilic character, as well as the rheological and mechanical properties of GelMA and GelMA-LipoN functionalized hydrogels. Finally, the dispersion of nanoliposomes encapsulating a model fluorescent probe in the GelMA matrix was visualized. The formulation of naringin-loaded liposomes via an optimized procedure yielded nanosized (114 nm) negatively charged particles with a high encapsulation efficiency (~99%). Naringin-loaded nanoliposomes administration to human adipose-derived stem cells confirmed their suitable cytocompatibility. Moreover, in addition to significantly extending the release of naringin from the hydrogel, the nanoliposomes inclusion in the GelMA matrix significantly increased its elastic and compressive moduli and decreased its swelling ratio, while showing an excellent dispersion in the hydrogel network. Overall, salmon-derived nanoliposomes enabled the inclusion and controlled release of pro-osteogenic bioactive molecules, as well as improved the hydrogel matrix properties, which suggests that these soft nanoparticles can play an important role in bioengineering bioactive nanocomposites for bone tissue engineering in the foreseeable future.
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Affiliation(s)
- Kamil Elkhoury
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | | | - Pedro Lavrador
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Rui Almeida
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Vítor Gaspar
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Cyril Kahn
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
| | - Franck Cleymand
- Institut Jean Lamour, CNRS-Université de Lorraine, F-54000 Nancy, France;
| | - Elmira Arab-Tehrany
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
- Correspondence: (E.A.-T.); (J.F.M.)
| | - João F. Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
- Correspondence: (E.A.-T.); (J.F.M.)
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Hogan KJ, Mikos AG. Biodegradable thermoresponsive polymers: Applications in drug delivery and tissue engineering. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.123063] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Kim S, Lee M. Rational design of hydrogels to enhance osteogenic potential. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2020; 32:9508-9530. [PMID: 33551566 PMCID: PMC7857485 DOI: 10.1021/acs.chemmater.0c03018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Bone tissue engineering (BTE) encompasses the field of biomaterials, cells, and bioactive molecules to successfully guide the growth and repair of bone tissue. Current BTE strategies rely on delivering osteogenic molecules or cells via scaffolding materials. However, growth factor- and stem cell-based treatments have several limitations, such as source restriction, low stability, difficulties in predicting long-term efficacy, and high costs, among others. These issues have promoted the development of material-based therapy with properties of accessibility, high stability, tunable efficacy, and low-cost production. Hydrogels are widely used in BTE applications because of their unique hydrophilic nature and tunable physicochemical properties to mimic the native bone environment. However, current hydrogel materials are not ideal candidates due to minimal osteogenic capability on their own. Therefore, recent studies of BTE hydrogels attempt to counterbalance these issues by modifying their biophysical properties. In this article, we review recent progress in the design of hydrogels to instruct osteogenic potential, and present strategies developed to precisely control its bone healing properties.
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Affiliation(s)
- Soyon Kim
- Division of Advanced Prosthodontics, University of California, Los Angeles, USA
| | - Min Lee
- Division of Advanced Prosthodontics, University of California, Los Angeles, USA
- Department of Bioengineering, University of California, Los Angeles, USA
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Christy PN, Basha SK, Kumari VS, Bashir A, Maaza M, Kaviyarasu K, Arasu MV, Al-Dhabi NA, Ignacimuthu S. Biopolymeric nanocomposite scaffolds for bone tissue engineering applications – A review. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101452] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Fang X, Guo H, Zhang W, Fang H, Li Q, Bai S, Zhang P. Reduced graphene oxide–GelMA–PCL hybrid nanofibers for peripheral nerve regeneration. J Mater Chem B 2020; 8:10593-10601. [DOI: 10.1039/d0tb00779j] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Graphene oxide is currently used in peripheral nerve engineering but has certain limitations, such as cytotoxicity and lack of electrical conductivity, both of which are crucial in regulating nerve-associated cell behaviors.
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Affiliation(s)
- Xingxing Fang
- Department of Orthopedics and Trauma
- Peking University People's Hospital
- Beijing
- China
- Department of Spine Surgery
| | - Haichang Guo
- Department of Materials Science and Engineering, CAPT/HEDPS
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Engineering
- Peking University
- Beijing
| | - Wei Zhang
- Department of Orthopedics and Trauma
- Peking University People's Hospital
- Beijing
- China
- National Center for Trauma Medicine
| | - Haoming Fang
- Department of Materials Science and Engineering, CAPT/HEDPS
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Engineering
- Peking University
- Beijing
| | - Qicheng Li
- Department of Orthopedics and Trauma
- Peking University People's Hospital
- Beijing
- China
- National Center for Trauma Medicine
| | - Shulin Bai
- Department of Materials Science and Engineering, CAPT/HEDPS
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Engineering
- Peking University
- Beijing
| | - Peixun Zhang
- Department of Orthopedics and Trauma
- Peking University People's Hospital
- Beijing
- China
- National Center for Trauma Medicine
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Fang X, Deng J, Zhang W, Guo H, Yu F, Rao F, Li Q, Zhang P, Bai S, Jiang B. Conductive conduit small gap tubulization for peripheral nerve repair. RSC Adv 2020; 10:16769-16775. [PMID: 35498832 PMCID: PMC9053044 DOI: 10.1039/d0ra02143a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 04/01/2020] [Indexed: 11/21/2022] Open
Abstract
Despite advances in surgical techniques, functional recovery following epineurial neurorrhaphy of transected peripheral nerves often remains quite unsatisfactory. Small gap tubulisation is a promising approach that has shown potential to traditional epineurial neurorrhaphy in the treatment of peripheral nerve injury. Thus, the goal of this study is to evaluate sciatic nerve regeneration after nerve transection, followed by small gap tubulization using a reduced graphene oxide-based conductive conduit. In vitro, the electrically conductive conduit could promote Schwann cell proliferation through PI3K/Akt signaling pathway activation. In vivo, the results of electrophysiological and walking track analysis suggest that the electrically conductive conduit could promote sensory and motor nerve regeneration and functional recovery, which is based on the mechanisms of selective regeneration and multiple-bud regeneration. These promising results illustrate electrically conductive conduit small gap tubulization as an alternative approach for transected peripheral nerve repair. rGO-based conductive nerve conduit as a scaffold to bridge peripheral nerve transected injury and 2 mm gap provides a suitable microenvironment for axons selective regeneration.![]()
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Nguyen TPT, Le NXT, Lee NY. Microfluidic Approach to Generate a Tadpole-Egg-Shaped Alginate Fiber and Its Application in Tissue Engineering. ACS Biomater Sci Eng 2019; 6:1663-1670. [PMID: 33455358 DOI: 10.1021/acsbiomaterials.9b01753] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we introduce a facile microfluidic technique to produce a hybrid alginate fiber with a tadpole-egg shape. A triple-flow polydimethylsiloxane microfluidic device was constructed to allow the formation of oil droplets inside the alginate stream and was instantaneously gelated with the coaxially adjacent CaCl2. The fiber entrapping the uniform oil droplets was dehydrated, leading to the formation of a distinct tadpole-egg-shaped structure. A series of diverse fiber architectures was fabricated in a controlled manner based on the flow rates of the relevant flows. The tadpole-egg-shaped alginate fibers were employed as building blocks to create a three-dimensional microwell template for cell cultures. First, the tadpole-egg-shaped alginate fibers containing the oil droplets were half-dipped into a melted agarose solution. After the solidification of the agarose gel, the alginate fibers were degraded by an ethylenediaminetetraacetic acid (EDTA) solution to generate the hemispherical microwells. Mesenchymal stem cells (MSCs) were cultured in the microwells to generate spheroids, which were induced into chondrocytes using transforming growth factor-β3. The formed MSC spheroids exhibited a relatively high ratio of cell viability with more than 95% live cells after 14 days of culture. The success of the chondrogenic differentiation was proven based on staining (Safranin O) and the glycosaminoglycan levels. The latter was significantly higher in spheroids that were induced to form chondrocytes compared to those that were not induced after 21 days of differentiation. Second, we investigated the potential of the tadpole-egg-shaped alginate fibers as microcarriers for applications in drug delivery and implantable technologies. It was revealed that the degradation of the Ca-alginate wall of the hybrid fibers to release the oil droplets required an EDTA solution with a concentration of 500 mM for a 15 min period. This result can be used to further develop the tadpole-egg-shaped alginate fibers as uniform microcarriers with multiple compartments.
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Affiliation(s)
- Thi Phuong Thuy Nguyen
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Nguyen Xuan Thanh Le
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
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Huang A, Honda Y, Li P, Tanaka T, Baba S. Integration of Epigallocatechin Gallate in Gelatin Sponges Attenuates Matrix Metalloproteinase-Dependent Degradation and Increases Bone Formation. Int J Mol Sci 2019; 20:E6042. [PMID: 31801223 PMCID: PMC6929197 DOI: 10.3390/ijms20236042] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 12/18/2022] Open
Abstract
Matrix metalloproteinase (MMP)-2 and MMP-9 are well-known gelatinases that disrupt the extracellular matrix, including gelatin. However, the advantages of modulating MMP expression in gelatin-based materials for applications in bone regenerative medicine have not been fully clarified. In this study, we examined the effects of epigallocatechin gallate (EGCG), a major polyphenol catechin isolated from green tea, on MMP expression in gelatin sponges and its association with bone formation. Four gelatin sponges with or without EGCG were prepared and implanted into bone defects for up to 4 weeks. Histological and immunohistological staining were performed. Micro-computed tomography was used to estimate the bone-forming capacity of each sponge. Our results showed that EGCG integration attenuated MMP-2 (70.6%) and -9 expression (69.1%) in the 1 week group, increased residual gelatin (118.7%), and augmented bone formation (101.8%) in the 4 weeks group in critical-sized bone defects of rat calvaria compared with vacuum-heated gelatin sponges without EGCG. Moreover, vacuum-heated gelatin sponges with EGCG showed superior bone formation compared with other sponges. The results indicated that integration of EGCG in gelatin-based materials modulated the production and activity of MMP-2 and -9 in vivo, thereby enhancing bone-forming capacity.
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Affiliation(s)
- Anqi Huang
- Department of Oral Implantology, Osaka Dental University, 1-5-17, Otemae, Chuo-ku, Osaka 540-0008, Japan; (A.H.); (P.L.); (S.B.)
| | - Yoshitomo Honda
- Institute of Dental Research, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Peiqi Li
- Department of Oral Implantology, Osaka Dental University, 1-5-17, Otemae, Chuo-ku, Osaka 540-0008, Japan; (A.H.); (P.L.); (S.B.)
| | - Tomonari Tanaka
- Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Shunsuke Baba
- Department of Oral Implantology, Osaka Dental University, 1-5-17, Otemae, Chuo-ku, Osaka 540-0008, Japan; (A.H.); (P.L.); (S.B.)
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Shao Y, You D, Lou Y, Li J, Ying B, Cheng K, Weng W, Wang H, Yu M, Dong L. Controlled Release of Naringin in GelMA-Incorporated Rutile Nanorod Films to Regulate Osteogenic Differentiation of Mesenchymal Stem Cells. ACS OMEGA 2019; 4:19350-19357. [PMID: 31763559 PMCID: PMC6868884 DOI: 10.1021/acsomega.9b02751] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 10/30/2019] [Indexed: 06/10/2023]
Abstract
Naringin, a Chinese herbal medicine, has been demonstrated to concentration-dependently promote osteogenic differentiation of mesenchymal stem cells (MSCs). However, it remains a challenge to load naringin on coatings for osteogenesis and further control the release kinetics. Here, we demonstrated that the release behavior of naringin on rutile nanorod films could be controlled by either mixing naringin with gelatin methacryloyl (GelMA) before spinning onto the films or soaking the obtained GelMA-incorporated films with the naringin solution to achieve the distinct degradation-type release and diffusion-type release, respectively. We further revealed that the naringin-loaded coatings facilitated adhesion, proliferation and late differentiation, and mineralization of MSCs. Our findings provided a novel strategy to engineer the coatings with controlled release of naringin and emphasized the bioactivity of naringin for the osteogenic differentiation of MSCs.
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Affiliation(s)
- Yangjie Shao
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Dongqi You
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Yiting Lou
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
- Department
of Stomatology, The Affiliated Ningbo First Hospital, Zhejiang University, Ningbo 315010, Zhejiang Province, China
| | - Jianhua Li
- Hangzhou
Dental Hospital, Hangzhou 310006, Zhejiang Province, China
| | - Binbin Ying
- Department
of Stomatology, The Affiliated Ningbo First Hospital, Zhejiang University, Ningbo 315010, Zhejiang Province, China
| | - Kui Cheng
- School
of Materials Science and Engineering, State Key Laboratory of Silicon
Materials, Zhejiang University, Hangzhou 310027, Zhejiang Province, China
| | - Wenjian Weng
- School
of Materials Science and Engineering, State Key Laboratory of Silicon
Materials, Zhejiang University, Hangzhou 310027, Zhejiang Province, China
| | - Huiming Wang
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
| | - Mengfei Yu
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
- Department
of Stomatology, The Affiliated Ningbo First Hospital, Zhejiang University, Ningbo 315010, Zhejiang Province, China
- Hangzhou
Dental Hospital, Hangzhou 310006, Zhejiang Province, China
- School
of Materials Science and Engineering, State Key Laboratory of Silicon
Materials, Zhejiang University, Hangzhou 310027, Zhejiang Province, China
| | - Lingqing Dong
- The
Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China
- School
of Materials Science and Engineering, State Key Laboratory of Silicon
Materials, Zhejiang University, Hangzhou 310027, Zhejiang Province, China
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Pandit AH, Mazumdar N, Ahmad S. Periodate oxidized hyaluronic acid-based hydrogel scaffolds for tissue engineering applications. Int J Biol Macromol 2019; 137:853-869. [DOI: 10.1016/j.ijbiomac.2019.07.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/24/2019] [Accepted: 07/02/2019] [Indexed: 02/06/2023]
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42
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Affiliation(s)
- Yi-Chen Ethan Li
- Department of Chemical Engineering, Feng Chia University, 40724 Taichung, Taiwan
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43
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Sun M, Sun X, Wang Z, Guo S, Yu G, Yang H. Synthesis and Properties of Gelatin Methacryloyl (GelMA) Hydrogels and Their Recent Applications in Load-Bearing Tissue. Polymers (Basel) 2018; 10:E1290. [PMID: 30961215 PMCID: PMC6401825 DOI: 10.3390/polym10111290] [Citation(s) in RCA: 185] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 11/15/2018] [Accepted: 11/16/2018] [Indexed: 12/17/2022] Open
Abstract
Photocrosslinked gelatin methacryloyl (GelMA) hydrogels have attracted great concern in the biomedical field because of their good biocompatibility and tunable physicochemical properties. Herein, different approaches to synthesize GelMA were introduced, especially, the typical method using UV light to crosslink the gelatin-methacrylic anhydride (MA) precursor was introduced in detail. In addition, the traditional and cutting-edge technologies to characterize the properties of GelMA hydrogels and GelMA prepolymer were also overviewed and compared. Furthermore, the applications of GelMA hydrogels in cell culture and tissue engineering especially in the load-bearing tissue (bone and cartilage) were summarized, followed by concluding remarks.
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Affiliation(s)
- Mingyue Sun
- School of Fundamental Sciences, China Medical University, Shenyang 110122, China.
| | - Xiaoting Sun
- School of Fundamental Sciences, China Medical University, Shenyang 110122, China.
| | - Ziyuan Wang
- The Queen's University of Belfast Joint College, China Medical University, Shenyang 110122, China.
| | - Shuyu Guo
- The Queen's University of Belfast Joint College, China Medical University, Shenyang 110122, China.
| | - Guangjiao Yu
- The Queen's University of Belfast Joint College, China Medical University, Shenyang 110122, China.
| | - Huazhe Yang
- School of Fundamental Sciences, China Medical University, Shenyang 110122, China.
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Cengiz IF, Oliveira JM, Reis RL. Micro-CT - a digital 3D microstructural voyage into scaffolds: a systematic review of the reported methods and results. Biomater Res 2018; 22:26. [PMID: 30275969 PMCID: PMC6158835 DOI: 10.1186/s40824-018-0136-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 09/03/2018] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Cell behavior is the key to tissue regeneration. Given the fact that most of the cells used in tissue engineering are anchorage-dependent, their behavior including adhesion, growth, migration, matrix synthesis, and differentiation is related to the design of the scaffolds. Thus, characterization of the scaffolds is highly required. Micro-computed tomography (micro-CT) provides a powerful platform to analyze, visualize, and explore any portion of interest in the scaffold in a 3D fashion without cutting or destroying it with the benefit of almost no sample preparation need. MAIN BODY This review highlights the relationship between the scaffold microstructure and cell behavior, and provides the basics of the micro-CT method. In this work, we also analyzed the original papers that were published in 2016 through a systematic search to address the need for specific improvements in the methods section of the papers including the amount of provided information from the obtained results. CONCLUSION Micro-CT offers a unique microstructural analysis of biomaterials, notwithstanding the associated challenges and limitations. Future studies that will include micro-CT characterization of scaffolds should report the important details of the method, and the derived quantitative and qualitative information can be maximized.
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Affiliation(s)
- Ibrahim Fatih Cengiz
- 3B’s Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Joaquim Miguel Oliveira
- 3B’s Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal
| | - Rui L. Reis
- 3B’s Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal
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Yoon SJ, Yoo Y, Nam SE, Hyun H, Lee DW, Um S, Kim SY, Hong SO, Yang DH, Chun HJ. The Cocktail Effect of BMP-2 and TGF-β1 Loaded in Visible Light-Cured Glycol Chitosan Hydrogels for the Enhancement of Bone Formation in a Rat Tibial Defect Model. Mar Drugs 2018; 16:E351. [PMID: 30257482 PMCID: PMC6213427 DOI: 10.3390/md16100351] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/15/2018] [Accepted: 09/24/2018] [Indexed: 01/14/2023] Open
Abstract
Bone tissue engineering scaffolds offer the merits of minimal invasion as well as localized and controlled biomolecule release to targeted sites. In this study, we prepared injectable hydrogel systems based on visible light-cured glycol chitosan (GC) hydrogels containing bone morphogenetic protein-2 (BMP-2) and/or transforming growth factor-beta1 (TGF-β1) as scaffolds for bone formation in vitro and in vivo. The hydrogels were characterized by storage modulus, scanning electron microscopy (SEM) and swelling ratio analyses. The developed hydrogel systems showed controlled releases of growth factors in a sustained manner for 30 days. In vitro and in vivo studies revealed that growth factor-loaded GC hydrogels have no cytotoxicity against MC3T3-E1 osteoblast cell line, improved mRNA expressions of alkaline phosphatase (ALP), type I collagen (COL 1) and osteocalcin (OCN), and increased bone volume (BV) and bone mineral density (BMD) in tibia defect sites. Moreover, GC hydrogel containing BMP-2 (10 ng) and TGF-β1 (10 ng) (GC/BMP-2/TGF-β1-10 ng) showed greater bone formation abilities than that containing BMP-2 (5 ng) and TGF-β1 (5 ng) (GC/BMP-2/TGF-β1-5 ng) in vitro and in vivo. Consequently, the injectable GC/BMP-2/TGF-β1-10 ng hydrogel may have clinical potential for dental or orthopedic applications.
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Affiliation(s)
- Sun-Jung Yoon
- Department of Orthopedic Surgery, Chonbuk National University Hospital, Jeonju 54907, Korea.
| | - Youngbum Yoo
- Department of Surgery, School of Medicine, The Konkuk University, Seoul 05030, Korea.
| | - Sang Eun Nam
- Department of Surgery, School of Medicine, The Konkuk University, Seoul 05030, Korea.
| | - Hoon Hyun
- Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
| | - Deok-Won Lee
- Department of Oral & Maxillofacial Surgery, Kyung Hee University Dental Hospital at Gangdong, Kyung Hee University, Seoul 05278, Korea.
| | - Sewook Um
- Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
| | - So Yeon Kim
- Department of Dental Hygiene, College of Health Sciences, Cheongju University, Cheongju 28503, Korea.
| | - Sung Ok Hong
- Department of Dentistry, Catholic Kwandong University, School of Medicine, Medicine, International St. Mary's Hospital, Incheon 22711, Korea.
| | - Dae Hyeok Yang
- Institute of Cell and Tissue Engineering, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.
| | - Heung Jae Chun
- Department of Biomedical Sciences, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.
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Zheng J, Zhao F, Zhang W, Mo Y, Zeng L, Li X, Chen X. Sequentially-crosslinked biomimetic bioactive glass/gelatin methacryloyl composites hydrogels for bone regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 89:119-127. [DOI: 10.1016/j.msec.2018.03.029] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 03/28/2018] [Accepted: 03/28/2018] [Indexed: 12/22/2022]
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47
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Chen Y, Kawazoe N, Chen G. Preparation of dexamethasone-loaded biphasic calcium phosphate nanoparticles/collagen porous composite scaffolds for bone tissue engineering. Acta Biomater 2018; 67:341-353. [PMID: 29242161 DOI: 10.1016/j.actbio.2017.12.004] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 11/29/2017] [Accepted: 12/04/2017] [Indexed: 11/18/2022]
Abstract
Although bone is regenerative, its regeneration capacity is limited. For bone defects beyond a critical size, further intervention is required. As an attractive strategy, bone tissue engineering (bone TE) has been widely investigated to repair bone defects. However, the rapid and effective bone regeneration of large non-healing defects is still a great challenge. Multifunctional scaffolds having osteoinductivity and osteoconductivity are desirable to fasten functional bone tissue regeneration. In the present study, biomimetic composite scaffolds of collagen and biphasic calcium phosphate nanoparticles (BCP NPs) with a controlled release of dexamethasone (DEX) and the controlled pore structures were prepared for bone TE. DEX was introduced in the BCP NPs during preparation of the BCP NPs and hybridized with collagen scaffolds, which pore structures were controlled by using pre-prepared ice particulates as a porogen material. The composite scaffolds had well controlled and interconnected pore structures, high mechanical strength and a sustained release of DEX. The composite scaffolds showed good biocompatibility and promoted osteogenic differentiation of hMSCs when used for three-dimensional culture of human bone marrow-derived mesenchymal stem cells. Subcutaneous implantation of the composite scaffolds at the dorsa of athymic nude mice demonstrated that they facilitated the ectopic bone tissue regeneration. The results indicated the DEX-loaded BCP NPs/collagen composite scaffolds had high potential for bone TE. STATEMENT OF SIGNIFICANCE Scaffolds play a crucial role for regeneration of large bone defects. Biomimetic scaffolds having the same composition of natural bone and a controlled release of osteoinductive factors are desirable for promotion of bone regeneration. In this study, composite scaffolds of collagen and biphasic CaP nanoparticles (BCP NPs) with a controlled release nature of dexamethasone (DEX) were prepared and their porous structures were controlled by using ice particulates. In vitro cell culture and in vivo implantation experiments demonstrated the composite scaffolds exerted synergistic effects on the osteogenic differentiation of hMSCs and bone regeneration. The composite scaffolds also showed promotive effect on the formation of capillary blood vessels in the regenerated bone. This study is the first research to prepare DEX-loaded BCP NPs/collagen porous composite scaffolds. The superior performance of the composite scaffolds indicates the composite scaffolds should be useful for bone tissue engineering.
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Affiliation(s)
- Ying Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.
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Reakasame S, Boccaccini AR. Oxidized Alginate-Based Hydrogels for Tissue Engineering Applications: A Review. Biomacromolecules 2017; 19:3-21. [DOI: 10.1021/acs.biomac.7b01331] [Citation(s) in RCA: 192] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Supachai Reakasame
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
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Wenz A, Borchers K, Tovar GEM, Kluger PJ. Bone matrix production in hydroxyapatite-modified hydrogels suitable for bone bioprinting. Biofabrication 2017; 9:044103. [DOI: 10.1088/1758-5090/aa91ec] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Shakir M, Jolly R, Khan AA, Ahmed SS, Alam S, Rauf MA, Owais M, Farooqi MA. Resol based chitosan/nano-hydroxyapatite nanoensemble for effective bone tissue engineering. Carbohydr Polym 2017; 179:317-327. [PMID: 29111057 DOI: 10.1016/j.carbpol.2017.09.103] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/13/2017] [Accepted: 09/30/2017] [Indexed: 12/21/2022]
Abstract
It is the first report where different amounts of resol resin (RS) were incorporated with chitosan-hydroxyapatite (CHA) to develop a triconstituent nanoensemble CHA-RS(0.5,1,2), via simple co-precipitation method. The results of SEM, TEM, TGA and mechanical analysis revealed irregular interconnected rough morphology with homogenous distribution of needle shaped particles having average size ranging between 12 and 19nm, possessing higher thermal stability and mechanical strength, respectively relative to CHA (binary) nanocomposite. The CHA-1RS nanocomposite showed enhanced protein adsorption and ALP activity with excellent apatite formation ability compared to CHA-RS(0.5,2) and CHA nanocomposites. Thus, CHA-1RS nanocomposite was selectively tested as bare implant in the repair of critical-size calvarium defect (8mm) in albino rat. The histopathological and radiological investigations indicated that CHA-1RS prompted the bone regeneration ability as early as 2 weeks postimplantation demonstrating remarkably faster healing of calvarial defect relative to Cerabone. These findings have placed CHA-1RS on the pedestal to be employed as a potential alternative biomaterial for bone tissue engineering.
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Affiliation(s)
- Mohammad Shakir
- Inorganic Chemistry Laboratory, Department of Chemistry, AMU, Aligarh, 202002, India.
| | - Reshma Jolly
- Inorganic Chemistry Laboratory, Department of Chemistry, AMU, Aligarh, 202002, India
| | - Aijaz Ahmed Khan
- Neuroanatomy Laboratory, Department of Anatomy, J. N. Medical College, AMU, Aligarh, 202002, India
| | - Syed Sayeed Ahmed
- Department of Oral and Maxillofacial Surgery, Dr. Ziauddin Ahmad Dental College, AMU, Aligarh, 202002, India
| | - Sharique Alam
- Department of Conservative Dentistry & Endodontics, Dr. Ziauddin Ahmad Dental College, AMU, Aligarh, 202002, India
| | - Mohd Ahmar Rauf
- Molecular Immunology Group Lab, Interdisciplinary Biotechnology Unit, AMU, Aligarh, 202002, India
| | - Mohd Owais
- Department of Civil Engineering, Zakir Husain College of Engineering and Technology, AMU, Aligarh, 202002, India
| | - Mohd Ahmadullah Farooqi
- Department of Civil Engineering, Zakir Husain College of Engineering and Technology, AMU, Aligarh, 202002, India
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