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Bakadia BM, Zheng R, Qaed Ahmed AA, Shi Z, Babidi BL, Sun T, Li Y, Yang G. Teicoplanin-Decorated Reduced Graphene Oxide Incorporated Silk Protein Hybrid Hydrogel for Accelerating Infectious Diabetic Wound Healing and Preventing Diabetic Foot Osteomyelitis. Adv Healthc Mater 2024; 13:e2304572. [PMID: 38656754 DOI: 10.1002/adhm.202304572] [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: 12/21/2023] [Revised: 04/08/2024] [Indexed: 04/26/2024]
Abstract
Developing hybrid hydrogel dressings with anti-inflammatory, antioxidant, angiogenetic, and antibiofilm activities with higher bone tissue penetrability to accelerate diabetic wound healing and prevent diabetic foot osteomyelitis (DFO) is highly desirable in managing diabetic wounds. Herein, the glycopeptide teicoplanin is used for the first time as a green reductant to chemically reduce graphene oxide (GO). The resulting teicoplanin-decorated reduced graphene oxide (rGO) is incorporated into a mixture of silk proteins (SP) and crosslinked with genipin to yield a physicochemically crosslinked rGO-SP hybrid hydrogel. This hybrid hydrogel exhibits high porosity, self-healing, shear-induced thinning, increased cell proliferation and migration, and mechanical properties suitable for tissue engineering. Moreover, the hybrid hydrogel eradicates bacterial biofilms with a high penetrability index in agar and hydroxyapatite disks covered with biofilms, mimicking bone tissue. In vivo, the hybrid hydrogel accelerates the healing of noninfected wounds in a diabetic rat and infected wounds in a diabetic mouse by upregulating anti-inflammatory cytokines and downregulating matrix metalloproteinase-9, promoting M2 macrophage polarization and angiogenesis. The implantation of hybrid hydrogel into the infected site of mouse tibia improves bone regeneration. Hence, the rGO-SP hybrid hydrogel can be a promising wound dressing for treating infectious diabetic wounds, providing a further advantage in preventing DFO.
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Affiliation(s)
- Bianza Moise Bakadia
- Innovation Research Center for AIE Pharmaceutical Biology, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ruizhu Zheng
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Abeer Ahmed Qaed Ahmed
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Pavia, 27100, Italy
| | - Zhijun Shi
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Bakamona Lyna Babidi
- Institut Supérieur des Techniques Médicales de Lubumbashi, Lubumbashi, 4748, Democratic Republic of the Congo
| | - Tun Sun
- Innovation Research Center for AIE Pharmaceutical Biology, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ying Li
- Innovation Research Center for AIE Pharmaceutical Biology, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, The NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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Zanghellini B, Zechmann N, Baurecht D, Grünewald TA, Burghammer M, Liegl-Atzwanger B, Leithner A, Davydok A, Lichtenegger H. Multimodal analysis and comparison of stoichiometric and structural characteristics of parosteal and conventional osteosarcoma with massive sclerosis in human bone. J Struct Biol 2024; 216:108106. [PMID: 38871094 DOI: 10.1016/j.jsb.2024.108106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
Osteosarcoma (OS) is the most common malignant primary bone tumor in humans and occurs in various subtypes. Tumor formation happens through malignant osteoblasts producing immature bone. In the present paper we studied two different subtypes of osteosarcoma, from one individual with conventional OS with massive sclerosis and one individual with parosteal OS, based on a multimodal approach including small angle x-ray scattering (SAXS), wide angle x-ray diffraction (WAXS), backscattered electron imaging (BEI) and Raman spectroscopy. It was found that both tumors showed reduced mineral particle sizes and degree of orientation of the collagen-mineral composite in the affected areas, alongside with a decreased crystallinity. Distinct differences between the tumor material from the two individuals were found in the degree of mineralization. Further differences were observed in the carbonate to phosphate ratio, which is related to the degree of carbonate substitution in bone mineral and indicative of the turnover rate. The contraction of the c-axis of the bone mineral crystals proved to be a further, very sensitive parameter, potentially indicative of malignancy.
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Affiliation(s)
| | - Nicole Zechmann
- Department of Orthopedics and Trauma, Medical University of Graz, Austria
| | - Dieter Baurecht
- Instiute of Physical Chemistry, University of Vienna, Austria
| | - Tilman A Grünewald
- Aix Marseille Univ, CNRS, Centrale Med, Institut Fresnel, Marseille, France
| | | | | | - Andreas Leithner
- Department of Orthopedics and Trauma, Medical University of Graz, Austria
| | - Anton Davydok
- Institute of Materials Physics, Helmholtz Zentrum Hereon, Hamburg, Germany
| | - Helga Lichtenegger
- Institute of Physics and Material Science, BOKU University, Vienna, Austria.
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3
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Xiao M, Yao J, Shao Z, Chen X. Silk-Based 3D Porous Scaffolds for Tissue Engineering. ACS Biomater Sci Eng 2024; 10:2827-2840. [PMID: 38690985 DOI: 10.1021/acsbiomaterials.4c00373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Silk fibroin, extracted from the silk of the Bombyx mori silkworm, stands out as a biomaterial due to its nontoxic nature, excellent biocompatibility, and adjustable biodegradability. Porous scaffolds, a type of biomaterial, are crucial for creating an optimal microenvironment that supports cell adhesion and proliferation, thereby playing an essential role in tissue remodeling and repair. Therefore, this review focuses on 3D porous silk fibroin-based scaffolds, first summarizing their preparation methods and then detailing their regenerative effects on bone, cartilage, tendon, vascular, neural, skin, hepatic, and tracheal epithelial tissue engineering in recent years.
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Affiliation(s)
- Menglin Xiao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Shanghai Stomatological Hospital & School of Stomatology, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, People's Republic of China
| | - Jinrong Yao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Shanghai Stomatological Hospital & School of Stomatology, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, People's Republic of China
| | - Zhengzhong Shao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Shanghai Stomatological Hospital & School of Stomatology, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, People's Republic of China
| | - Xin Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Shanghai Stomatological Hospital & School of Stomatology, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, People's Republic of China
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4
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Mostofi M, Mostofi F, Hosseini S, Alipour A, Nourany M, Hamidian R, Vahidi S, Farokhi M, Shokrgozar MA, Homaeigohar S, Wang PY, Shahsavarani H. Efficient three-dimensional (3D) human bone differentiation on quercetin-functionalized isotropic nano-architecture chitinous patterns of cockroach wings. Int J Biol Macromol 2024; 258:129155. [PMID: 38171440 DOI: 10.1016/j.ijbiomac.2023.129155] [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: 10/24/2023] [Revised: 12/01/2023] [Accepted: 12/28/2023] [Indexed: 01/05/2024]
Abstract
Developing cost-effective, biocompatible scaffolds with nano-structured surface that truthfully replicate the physico-(bio)chemical and structural properties of bone tissue's extracellular matrix (ECM) is still challenging. In this regard, surface functionalization of natural scaffolds to enhance capability of mimicking 3D niches of the bone tissue has been suggested as a solution. In the current study, we aimed to investigate the potential of chitin-based cockroach wings (CW) as a natural scaffold for bone tissue engineering. To raise the osteogenic differentiation capacity of such a scaffold, a quercetin coating was also applied (hereafter this scaffold is referred as QCW). Moreover, the QCW scaffold exhibited effective antibacterial properties against gram-positive S. aureus bacteria. With respect to bone regeneration, the QCW scaffold optimally induced the differentiation of adipose-derived human mesenchymal stem cells (AD-hMSCs) into osteoblasts, as validated by mineralization assays, alkaline phosphatase (ALP) activity measurements, expression of pre-osteocyte marker genes, and immunocytochemical staining. Confirmation of the potent biocompatibility and physicochemical characteristics of the QCW scaffold through a series of in vitro and in vivo analysis revealed that surface modification had significant effect on multi-purpose features of obtained scaffold. Altogether, surface modification of QCW made it as an affordable bioinspired scaffold for bone tissue engineering.
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Affiliation(s)
- Marzieh Mostofi
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mostofi
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | - Saadi Hosseini
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | - Atefeh Alipour
- Department of Nanobiotechnology, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Nourany
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran; Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran
| | - Reza Hamidian
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran; Department of Cell and Molecular Biology, Faculty of Life science and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Samira Vahidi
- Department of Cell and Molecular Biology, Faculty of Life science and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Mehdi Farokhi
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Ali Shokrgozar
- Laboratory of Regenerative Medicine and Biomedical Innovations, National Cell Bank, Pasteur Institute of Iran, Tehran, Iran
| | | | - Peng Yuan Wang
- Oujiang Laboratory, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Institute of Aging, Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Hosein Shahsavarani
- Department of Cell and Molecular Biology, Faculty of Life science and Biotechnology, Shahid Beheshti University, Tehran, Iran.
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5
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Gu C, Zhou Q, Hu X, Ge X, Hou M, Wang W, Liu H, Shi Q, Xu Y, Zhu X, Yang H, Chen X, Liu T, He F. Melatonin rescues the mitochondrial function of bone marrow-derived mesenchymal stem cells and improves the repair of osteoporotic bone defect in ovariectomized rats. J Pineal Res 2024; 76:e12924. [PMID: 37941528 DOI: 10.1111/jpi.12924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/29/2023] [Accepted: 10/31/2023] [Indexed: 11/10/2023]
Abstract
Osteoporotic bone defects, a severe complication of osteoporosis, are distinguished by a delayed bone healing process and poor repair quality. While bone marrow-derived mesenchymal stem cells (BMMSCs) are the primary origin of bone-forming osteoblasts, their mitochondrial function is impaired, leading to inadequate bone regeneration in osteoporotic patients. Melatonin is well-known for its antioxidant properties and regulation on bone metabolism. The present study postulated that melatonin has the potential to enhance the repair of osteoporotic bone defects by restoring the mitochondrial function of BMMSCs. In vitro administration of melatonin at varying concentrations (0.01, 1, and 100 μM) demonstrated a significant dose-dependent improvement in the mitochondrial function of BMMSCs obtained from ovariectomized rats (OVX-BMMSCs), as indicated by an elevation in mitochondrial membrane potential, adenosine triphosphate synthesis and expression of mitochondrial respiratory chain factors. Melatonin reduced the level of mitochondrial superoxide by activating the silent information regulator type 1 (SIRT1) and its downstream antioxidant enzymes, particularly superoxide dismutase 2 (SOD2). The protective effects of melatonin were found to be nullified upon silencing of Sirt1 or Sod2, underscoring the crucial role of the SIRT1-SOD2 axis in the melatonin-induced enhancement of mitochondrial energy metabolism in OVX-BMMSCs. To achieve a sustained and localized release of melatonin, silk fibroin scaffolds loaded with melatonin (SF@MT) were fabricated. The study involved the surgical creation of bilateral femur defects in OVX rats, followed by the implantation of SF@MT scaffolds. The results indicated that the application of melatonin partially restored the mitochondrial energy metabolism and osteogenic differentiation of OVX-BMMSCs by reinstating mitochondrial redox homeostasis. These findings suggest that the localized administration of melatonin through bone implants holds potential as a therapeutic approach for addressing osteoporotic bone defects.
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Affiliation(s)
- Chao Gu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
- Department of Orthopaedics, Suzhou Dushu Lake Hospital, Suzhou, China
| | - Quan Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Xiayu Hu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Xiaoyang Ge
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Mingzhuang Hou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Wenhao Wang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Hao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Qin Shi
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Yong Xu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Xuesong Zhu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
| | - Xi Chen
- Department of Pathology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Suzhou Medical College of Soochow University, Soochow University, Suzhou, China
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6
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Wang T, Li W, Zhang Y, Xu X, Qiang L, Miao W, Yue X, Jiao X, Zhou X, Ma Z, Li S, Ding M, Zhu J, Yang C, Wang H, Li T, Sun X, Wang J. Bioprinted constructs that simulate nerve-bone crosstalk to improve microenvironment for bone repair. Bioact Mater 2023; 27:377-393. [PMID: 37122897 PMCID: PMC10131128 DOI: 10.1016/j.bioactmat.2023.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/10/2023] [Accepted: 02/13/2023] [Indexed: 05/02/2023] Open
Abstract
Crosstalk between nerves and bone is essential for bone repair, for which Schwann cells (SCs) are crucial in the regulation of the microenvironment. Considering that exosomes are critical paracrine mediators for intercellular communication that exert important effects in tissue repair, the aim of this study is to confirm the function and molecular mechanisms of Schwann cell-derived exosomes (SC-exos) on bone regeneration and to propose engineered constructs that simulate SC-mediated nerve-bone crosstalk. SCs promoted the proliferation and differentiation of bone marrow mesenchymal stem cells (BMSCs) through exosomes. Subsequent molecular mechanism studies demonstrated that SC-exos promoted BMSC osteogenesis by regulating the TGF-β signaling pathway via let-7c-5p. Interestingly, SC-exos promoted the migration and tube formation performance of endothelial progenitor cells. Furthermore, the SC-exos@G/S constructs were developed by bioprinting technology that simulated SC-mediated nerve-bone crosstalk and improved the bone regeneration microenvironment by releasing SC-exos, exerting the regulatory effect of SCs in the microenvironment to promote innervation, vascularization, and osteogenesis and thus effectively improving bone repair in a cranial defect model. This study demonstrates the important role and underlying mechanism of SCs in regulating bone regeneration through SC-exos and provides a new engineered strategy for bone repair.
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Affiliation(s)
- Tianchang Wang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Wentao Li
- Sports Medicine Department, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, No.49, North Garden Road, Haidian District, Beijing, 100191, China
- Peking University Institute of Sports Medicine, No.49, North Garden Road, Haidian District, Beijing, 100191, China
| | - Yuxin Zhang
- Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Xiang Xu
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Lei Qiang
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Weiqiang Miao
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xiaokun Yue
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xin Jiao
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xianhao Zhou
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Zhenjiang Ma
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Shuai Li
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Muliang Ding
- Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, 410001, Hunan, China
| | - Junfeng Zhu
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
| | - Chi Yang
- Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Hui Wang
- Institute of Rehabilitation Medicine, School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, 201210, China
| | - Tao Li
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Road, Shanghai, 200092, China
- Corresponding author.
| | - Xin Sun
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Corresponding author.
| | - Jinwu Wang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Institute of Rehabilitation Medicine, School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation, Ministry of Education, Shanghai, 201210, China
- Corresponding author. Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China.
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7
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Ilić-Stojanović S, Nikolić L, Cakić S. A Review of Patents and Innovative Biopolymer-Based Hydrogels. Gels 2023; 9:556. [PMID: 37504436 PMCID: PMC10378757 DOI: 10.3390/gels9070556] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023] Open
Abstract
Biopolymers represent a great resource for the development and utilization of new functional materials due to their particular advantages such as biocompatibility, biodegradability and non-toxicity. "Intelligent gels" sensitive to different stimuli (temperature, pH, ionic strength) have different applications in many industries (e.g., pharmacy, biomedicine, food). This review summarizes the research efforts presented in the patent and non-patent literature. A discussion was conducted regarding biopolymer-based hydrogels such as natural proteins (i.e., fibrin, silk fibroin, collagen, keratin, gelatin) and polysaccharides (i.e., chitosan, hyaluronic acid, cellulose, carrageenan, alginate). In this analysis, the latest advances in the modification and characterization of advanced biopolymeric formulations and their state-of-the-art administration in drug delivery, wound healing, tissue engineering and regenerative medicine were addressed.
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Affiliation(s)
| | - Ljubiša Nikolić
- Faculty of Technology, University of Niš, Bulevar Oslobodjenja 124, 16000 Leskovac, Serbia
| | - Suzana Cakić
- Faculty of Technology, University of Niš, Bulevar Oslobodjenja 124, 16000 Leskovac, Serbia
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Xu Y, Chen Q, Shao Z, Wei J, Zhu X, Rong A, Chen X, Ni Y, Jiang Y. Evaluation of new robust silk fibroin hydrogels for posterior scleral reinforcement in rabbits. Front Bioeng Biotechnol 2023; 11:1211688. [PMID: 37388765 PMCID: PMC10300450 DOI: 10.3389/fbioe.2023.1211688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/01/2023] [Indexed: 07/01/2023] Open
Abstract
Background: Currently, there is no ideal material available for posterior scleral reinforcement (PSR) to prevent the progression of high myopia. In this study, we investigated robust regenerated silk fibroin (RSF) hydrogels as potential grafts for PSR in animal experiments to evaluate their safety and biological reactions. Methods: PSR surgery was performed on the right eye of twenty-eight adult New Zealand white rabbits, with the left eye serving as a self-control. Ten rabbits were observed for 3 months, while 18 rabbits were observed for 6 months. The rabbits were evaluated using intraocular pressure (IOP), anterior segment and fundus photography, A- and B-ultrasound, optical coherence tomography (OCT), histology, and biomechanical tests. Results: No complications such as significant IOP fluctuation, anterior chamber inflammation, vitreous opacity, retinal lesion, infection, or material exposure were observed. Furthermore, no evidence of pathological changes in the optic nerve and retina, or structural abnormalities on OCT, were found. The RSF grafts were appropriately located at the posterior sclera and enclosed in fibrous capsules. The scleral thickness and collagen fiber content of the treated eyes increased after surgery. The ultimate stress of the reinforced sclera increased by 30.7%, and the elastic modulus increased by 33.0% compared to those of the control eyes at 6 months after surgery. Conclusion: Robust RSF hydrogels exhibited good biocompatibility and promoted the formation of fibrous capsules at the posterior sclera in vivo. The biomechanical properties of the reinforced sclera were strengthened. These findings suggest that RSF hydrogel is a potential material for PSR.
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Affiliation(s)
- Yule Xu
- Department of Ophthalmology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qiaolin Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laborarory of Advanced Materials, Fudan University, Shanghai, China
| | - Zhengzhong Shao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laborarory of Advanced Materials, Fudan University, Shanghai, China
| | - Jiahong Wei
- Department of Ophthalmology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xuyou Zhu
- Department of Pathology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ao Rong
- Department of Ophthalmology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- Department of Ophthalmology, Shanghai Xin Shi Jie Eye Hospital, Shanghai, China
| | - Xin Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laborarory of Advanced Materials, Fudan University, Shanghai, China
| | - Yusu Ni
- Otology and Skull Base Surgery Department, Eye and ENT Hospital of Shanghai Medical School, Fudan University, Shanghai, China
- Key Laboratory of Hearing Medicine of National Health and Family Planning Commission, Shanghai, China
- Otorhinolaryngology Department of Affiliated Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, China
| | - Yi Jiang
- Department of Ophthalmology, Shanghai Xin Shi Jie Eye Hospital, Shanghai, China
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9
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Song Y, Zhao L, Niu B, Zhao H, Hu Y, Wei Y, Huang D, Wang T, Lian X. The study of self-regulating α-TCP based composite by micro/nano scaled silk fibroin and α-CSH on physicochemical and biological properties of bone cement. J Biomater Appl 2023; 37:1801-1812. [PMID: 37121598 DOI: 10.1177/08853282231172855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
A novel self-hardening α-tricalcium phosphate (α-TCP) bone cement complexed with different content of α-calcium sulfate hemihydrate (α-CSH) and micrometer hydroxyapatite mineralized silk fibroin (HA-SF) using micro/SF as curing liquid has been investigated in this work, which was capable of tunable setting time, degradation, mechanical property and ability to anti-washout. After addition 0 ∼ 25% α-CSH to the α-TCP cement with SFFs as curing liquid, it shortened the setting time of the modified composite to 10 ∼ 30 min. Furthermore, the addition of SFFs improved the compressive strength of the composite from 5.41 MPa to 9.44 MPa. The composites with both Na2HPO4 and SFFs as curing liquid showed good anti-collapse performance. The weight loss ratio of bone cement was -0.18 ∼ 12.08% in 4 weeks when the content of α-CSH in α-TCP/α-CSH was between 0 ∼ 25 wt%. During the degradation of α-CSH, the amorphous α-TCP were deposited as hydroxyapatite to formed a plate-like products on the surface of composite. Compared to the composite with Na2HPO4 solution as the curing liquid, alkaline phosphatase (ALP) activity of the composites using SFFs as curing liquid were maintained at high levels on the 14th day especially when the Ca/P ratio was 1.7. This study provides a theoretical basis for the regeneration of bone defects guided by bone cement materials.
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Affiliation(s)
- Yaping Song
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Liqin Zhao
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi key Laboratory of material strength and structure impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, PR China
| | - Baolong Niu
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, PR China
| | - Hongyun Zhao
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Yinchun Hu
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi key Laboratory of material strength and structure impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, PR China
| | - Yan Wei
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi key Laboratory of material strength and structure impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, PR China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi key Laboratory of material strength and structure impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, PR China
| | - Tongxin Wang
- College of Dentistry, Howard University, Washington, DC 20059, United State
| | - XiaoJie Lian
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi key Laboratory of material strength and structure impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, PR China
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10
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Zhang M, Wang HY, Zhang YQ. Unidirectional Nanopore Dehydration Induces a Highly Stretchable and Mechanically Robust Silk Fibroin Membrane Dominated by Type II β-Turns. ACS Biomater Sci Eng 2023; 9:2741-2754. [PMID: 37027820 DOI: 10.1021/acsbiomaterials.2c00729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Abstract
Aqueous silk fibroin solution is dehydrated by evaporation into a water-soluble cast film (SFME) with poor mechanical properties but becomes by unidirectional nanopore dehydration (UND) into silk fibroin membrane (SFMU) with water-stable and good mechanical robustness. The thickness and tensile force of the SFMU are almost twice those of the MeOH-annealed SFME. The UND-based SFMU has a tensile strength of 15.82 MPa, an elongation of 665.23%, and a type II β-turn (Silk I) that accounts for 30.75% of the crystal structure. Mouse L-929 cells adhere, grow, and proliferate well on it. The UND temperature can be used to tune the secondary structure, mechanical properties, and biodegradability. UND induced the oriented arrangement of the silk molecules, which led to the formation of the SFMU dominated with Silk I structure. The silk metamaterial by controllable UND technology has great potential in medical biomaterials, biomimetic materials, sustained drug release, and flexible electronic substrates.
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Affiliation(s)
- Meng Zhang
- Silk Biotechnology Laboratory, School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, P. R. China
| | - Hai-Yan Wang
- Department of Obstetrics and Gynecology, The People's Hospital of Suzhou New District, Suzhou 215163, P. R. China
| | - Yu-Qing Zhang
- Silk Biotechnology Laboratory, School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, P. R. China
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11
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Gene Therapy for Regenerative Medicine. Pharmaceutics 2023; 15:pharmaceutics15030856. [PMID: 36986717 PMCID: PMC10057434 DOI: 10.3390/pharmaceutics15030856] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/24/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
The development of biological methods over the past decade has stimulated great interest in the possibility to regenerate human tissues. Advances in stem cell research, gene therapy, and tissue engineering have accelerated the technology in tissue and organ regeneration. However, despite significant progress in this area, there are still several technical issues that must be addressed, especially in the clinical use of gene therapy. The aims of gene therapy include utilising cells to produce a suitable protein, silencing over-producing proteins, and genetically modifying and repairing cell functions that may affect disease conditions. While most current gene therapy clinical trials are based on cell- and viral-mediated approaches, non-viral gene transfection agents are emerging as potentially safe and effective in the treatment of a wide variety of genetic and acquired diseases. Gene therapy based on viral vectors may induce pathogenicity and immunogenicity. Therefore, significant efforts are being invested in non-viral vectors to enhance their efficiency to a level comparable to the viral vector. Non-viral technologies consist of plasmid-based expression systems containing a gene encoding, a therapeutic protein, and synthetic gene delivery systems. One possible approach to enhance non-viral vector ability or to be an alternative to viral vectors would be to use tissue engineering technology for regenerative medicine therapy. This review provides a critical view of gene therapy with a major focus on the development of regenerative medicine technologies to control the in vivo location and function of administered genes.
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12
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Wei S, Wang Y, Sun Y, Gong L, Dai X, Meng H, Xu W, Ma J, Hu Q, Ma X, Peng J, Gu X. Biodegradable silk fibroin scaffold doped with mineralized collagen induces bone regeneration in rat cranial defects. Int J Biol Macromol 2023; 235:123861. [PMID: 36870644 DOI: 10.1016/j.ijbiomac.2023.123861] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023]
Abstract
Compared with most nondegradable or slowly degradable bone repair materials, bioactive biodegradable porous scaffolds with certain mechanical strengths can promote the regeneration of both new bone and vasculature while the cavity created by their degradation can be replaced by the infiltration of new bone tissue. Mineralized collagen (MC) is the basic structural unit of bone tissue, and silk fibroin (SF) is a natural polymer with adjustable degradation rates and superior mechanical properties. In this study, a three-dimensional porous biomimetic composite scaffold with a two-component SF-MC system was constructed based on the advantages of both materials. The spherical mineral agglomerates of the MC were uniformly distributed on the surface and inside the SF skeleton, which ensured good mechanical properties while regulating the degradation rate of the scaffold. Second, the SF-MC scaffold had good osteogenic induction of bone marrow mesenchymal stem cells (BMSCs) and preosteoblasts (MC3T3-E1) and also promoted the proliferation of MC3T3-E1 cells. Finally, in vivo 5 mm cranial defect repair experiments confirmed that the SF-MC scaffold stimulated vascular regeneration and promoted new bone regeneration in vivo by means of in situ regeneration. Overall, we believe that this low-cost biomimetic biodegradable SF-MC scaffold with many advantages has some clinical translation prospects.
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Affiliation(s)
- Shuai Wei
- Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Hexi District, Tianjin 300211, China; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China; Senior Department of Orthopedics, Beijing Key Lab of Regenerative Medicine in Orthopedics, The 1th Medical Center of PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Yu Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China; Senior Department of Orthopedics, Beijing Key Lab of Regenerative Medicine in Orthopedics, The 1th Medical Center of PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Yu Sun
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China
| | - Leilei Gong
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China
| | - Xiu Dai
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China
| | - Haoye Meng
- Senior Department of Orthopedics, Beijing Key Lab of Regenerative Medicine in Orthopedics, The 1th Medical Center of PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Wenjing Xu
- Senior Department of Orthopedics, Beijing Key Lab of Regenerative Medicine in Orthopedics, The 1th Medical Center of PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Jianxiong Ma
- Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Hexi District, Tianjin 300211, China; Institute of Orthopedics, Tianjin Hospital Tianjin University, Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, No. 155 Munan Road, Heping District, Tianjin 300050, China
| | - Qian Hu
- Department of Geriatrics, The Second People's Hospital of Nantong, Affiliated Rehabilitation Hospital of Nantong University, No. 298 Xinhua Road, Chongchuan District, Nantong 226006, China
| | - Xinlong Ma
- Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Hexi District, Tianjin 300211, China; Institute of Orthopedics, Tianjin Hospital Tianjin University, Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, No. 155 Munan Road, Heping District, Tianjin 300050, China.
| | - Jiang Peng
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China; Senior Department of Orthopedics, Beijing Key Lab of Regenerative Medicine in Orthopedics, The 1th Medical Center of PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China.
| | - Xiaosong Gu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Neural Regeneration Co-Innovation Center of Jiangsu Province, Nantong University, No. 19 Qixiu Road, Chongchuan District, Nantong 226001, China.
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13
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A Comprehensive Review on Silk Fibroin as a Persuasive Biomaterial for Bone Tissue Engineering. Int J Mol Sci 2023; 24:ijms24032660. [PMID: 36768980 PMCID: PMC9917095 DOI: 10.3390/ijms24032660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/02/2023] Open
Abstract
Bone tissue engineering (BTE) utilizes a special mix of scaffolds, cells, and bioactive factors to regulate the microenvironment of bone regeneration and form a three-dimensional bone simulation structure to regenerate bone tissue. Silk fibroin (SF) is perhaps the most encouraging material for BTE given its tunable mechanical properties, controllable biodegradability, and excellent biocompatibility. Numerous studies have confirmed the significance of SF for stimulating bone formation. In this review, we start by introducing the structure and characteristics of SF. After that, the immunological mechanism of SF for osteogenesis is summarized, and various forms of SF biomaterials and the latest development prospects of SF in BTE are emphatically introduced. Biomaterials based on SF have great potential in bone tissue engineering, and this review will serve as a resource for future design and research.
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Jaya Prakash N, Wang X, Kandasubramanian B. Regenerated silk fibroin loaded with natural additives: a sustainable approach towards health care. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023:1-38. [PMID: 36648394 DOI: 10.1080/09205063.2023.2170137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
According to World Health Organization (WHO), on average, 0.5 Kg of hazardous waste is generated per bed every day in high-income countries. The adverse effects imposed by synthetic materials and chemicals on the environment and humankind have urged researchers to explore greener technologies and materials. Amidst of all the natural fibers, silk fibroin (SF), by virtue of its superior toughness (6 × 104∼16 × 104 J/kg), tensile strength (47.2-67.7 MPa), tunable biodegradability, excellent Young's modulus (1.9-3.9 GPa), presence of functional groups, ease of processing, and biocompatibility has garnered an enormous amount of scientific interests. The use of silk fibroin conjoint with purely natural materials can be an excellent solution for the adverse effects of chemical-based treatment techniques. Considering this noteworthiness, vigorous research is going on in silk-based biomaterials, and it is opening up new vistas of opportunities. This review enswathes the structural aspects of silk fibroin along with its potency to form composites with other natural materials, such as curcumin, keratin, alginate, hydroxyapatite, hyaluronic acid, and cellulose, that can replace the conventionally used synthetic materials, providing a sustainable pathway to biomedical engineering. It was observed that a large amount of polar functional moieties present on the silk fibroin surface enables them to compatibilize easily with the natural additives. The conjunction of silk with natural additives initiates synergistic interactions that mitigate the limitations offered by individual units as well as enhance the applicability of materials. Further the current status and challenges in the commercialization of silk-based biomedical devices are discussed.
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Affiliation(s)
- Niranjana Jaya Prakash
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Structural Composites Laboratory, Girinagar, Pune, Maharashtra, India
| | - Xungai Wang
- Fiber Science and Technology, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Balasubramanian Kandasubramanian
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Structural Composites Laboratory, Girinagar, Pune, Maharashtra, India
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15
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Natural Coatings and Surface Modifications on Magnesium Alloys for Biomedical Applications. Polymers (Basel) 2022; 14:polym14235297. [PMID: 36501691 PMCID: PMC9740093 DOI: 10.3390/polym14235297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 12/07/2022] Open
Abstract
Magnesium (Mg) alloys have great potential in biomedical applications due to their incomparable properties regarding other metals, such as stainless steels, Co-Cr alloys, and titanium (Ti) alloys. However, when Mg engages with body fluids, its degradation rate increases, inhibiting the complete healing of bone tissue. For this reason, it has been necessary to implement protective coatings to control the rate of degradation. This review focuses on natural biopolymer coatings used on Mg alloys for resorbable biomedical applications, as well as some modification techniques implemented before applying natural polymer coatings to improve their performance. Issues such as improving the corrosion resistance, cell adhesion, proliferation, and biodegradability of natural biopolymers are discussed through their basic comparison with inorganic-type coatings. Emphasis is placed on the expected biological behavior of each natural polymer described, to provide basic information as a reference on this topic.
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Wu H, Lin K, Zhao C, Wang X. Silk fibroin scaffolds: A promising candidate for bone regeneration. Front Bioeng Biotechnol 2022; 10:1054379. [PMID: 36507269 PMCID: PMC9732393 DOI: 10.3389/fbioe.2022.1054379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022] Open
Abstract
It remains a big challenge in clinical practice to repair large-sized bone defects and many factors limit the application of autografts and allografts, The application of exogenous scaffolds is an alternate strategy for bone regeneration, among which the silk fibroin (SF) scaffold is a promising candidate. Due to the advantages of excellent biocompatibility, satisfying mechanical property, controllable biodegradability and structural adjustability, SF scaffolds exhibit great potential in bone regeneration with the help of well-designed structures, bioactive components and functional surface modification. This review will summarize the cell and tissue interaction with SF scaffolds, techniques to fabricate SF-based scaffolds and modifications of SF scaffolds to enhance osteogenesis, which will provide a deep and comprehensive insight into SF scaffolds and inspire the design and fabrication of novel SF scaffolds for superior osteogenic performance. However, there still needs more comprehensive efforts to promote better clinical translation of SF scaffolds, including more experiments in big animal models and clinical trials. Furthermore, deeper investigations are also in demand to reveal the degradation and clearing mechanisms of SF scaffolds and evaluate the influence of degradation products.
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Affiliation(s)
- Hao Wu
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Kaili Lin
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Cancan Zhao
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Cancan Zhao, ; Xudong Wang,
| | - Xudong Wang
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Cancan Zhao, ; Xudong Wang,
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17
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Liu Y, Li X, Liang A. Current research progress of local drug delivery systems based on biodegradable polymers in treating chronic osteomyelitis. Front Bioeng Biotechnol 2022; 10:1042128. [PMID: 36507256 PMCID: PMC9729283 DOI: 10.3389/fbioe.2022.1042128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022] Open
Abstract
Chronic osteomyelitis is one of the most challenging diseases in orthopedic treatment. It is usually treated with intravenous antibiotics and debridement in clinical practice, which also brings systemic drug side effects and bone defects. The local drug delivery system of antibiotics has the characteristics of targeted slow release to the lesion site, replacing systemic antibiotics and reducing the toxic and side effects of drugs. It can also increase the local drug concentration, achieve sound bacteriostatic effects, and promote bone healing and formation. Currently, PMMA beads are used in treating chronic osteomyelitis at home and abroad, but the chain beads need to be removed after a second operation, inconveniences patients. Biodegradable materials have been extensively studied as optimal options for antibiotic encapsulation and delivery, bringing new hope for treating chronic osteomyelitis. This article reviews the research progress of local drug delivery systems based on biodegradable polymers, including natural and synthetic ones, in treating chronic osteomyelitis.
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Affiliation(s)
- Yixiu Liu
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China
| | - Xu Li
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China
| | - A. Liang
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China,*Correspondence: A. Liang,
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18
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V. K. AD, Ray S, Arora U, Mitra S, Sionkowska A, Jaiswal AK. Dual drug delivery platforms for bone tissue engineering. Front Bioeng Biotechnol 2022; 10:969843. [PMID: 36172012 PMCID: PMC9511792 DOI: 10.3389/fbioe.2022.969843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/23/2022] [Indexed: 11/22/2022] Open
Abstract
The dual delivery platforms used in bone tissue engineering provide supplementary bioactive compounds that include distinct medicines and growth factors thereby aiding enhanced bone regeneration. The delivery of these compounds can be adjusted for a short or prolonged time based on the requirement by altering various parameters of the carrier platform. The platforms thus used are fabricated to mimic the niche of the bone microenvironment, either in the form of porous 3D structures, microspheres, or films. Thus, this review article focuses on the concept of dual drug delivery platform and its importance, classification of various platforms for dual drug delivery specific to bone tissue engineering, and finally highlights the foresight into the future direction of these techniques for better clinical applications.
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Affiliation(s)
- Anupama Devi V. K.
- Tissue Engineering Group, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore, India
- School of Bio Sciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, India
| | - Sarbajit Ray
- School of Bio Sciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, India
| | - Udita Arora
- School of Bio Sciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, India
| | - Sunrito Mitra
- School of Bio Sciences and Technology (SBST), Vellore Institute of Technology (VIT), Vellore, India
| | | | - Amit Kumar Jaiswal
- Tissue Engineering Group, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore, India
- *Correspondence: Amit Kumar Jaiswal,
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Biopolymeric Prodrug Systems as Potential Antineoplastic Therapy. Pharmaceutics 2022; 14:pharmaceutics14091773. [PMID: 36145522 PMCID: PMC9505808 DOI: 10.3390/pharmaceutics14091773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Nowadays, cancer represents a major public health issue, a substantial economic issue, and a burden for society. Limited by numerous disadvantages, conventional chemotherapy is being replaced by new strategies targeting tumor cells. In this context, therapies based on biopolymer prodrug systems represent a promising alternative for improving the pharmacokinetic and pharmacologic properties of drugs and reducing their toxicity. The polymer-directed enzyme prodrug therapy is based on tumor cell targeting and release of the drug using polymer–drug and polymer–enzyme conjugates. In addition, current trends are oriented towards natural sources. They are biocompatible, biodegradable, and represent a valuable and renewable source. Therefore, numerous antitumor molecules have been conjugated with natural polymers. The present manuscript highlights the latest research focused on polymer–drug conjugates containing natural polymers such as chitosan, hyaluronic acid, dextran, pullulan, silk fibroin, heparin, and polysaccharides from Auricularia auricula.
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20
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Sarma A. Biological importance and pharmaceutical significance of keratin: A review. Int J Biol Macromol 2022; 219:395-413. [DOI: 10.1016/j.ijbiomac.2022.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/08/2021] [Accepted: 08/01/2022] [Indexed: 01/14/2023]
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21
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Motasadizadeh H, Tavakoli M, Damoogh S, Mottaghitalab F, Gholami M, Atyabi F, Farokhi M, Dinarvand R. Dual drug delivery system of teicoplanin and phenamil based on pH-sensitive silk fibroin/sodium alginate hydrogel scaffold for treating chronic bone infection. BIOMATERIALS ADVANCES 2022; 139:213032. [PMID: 35882123 DOI: 10.1016/j.bioadv.2022.213032] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 06/27/2022] [Accepted: 07/11/2022] [Indexed: 10/17/2022]
Abstract
For effective treatment of infected bone, it is essential to use local drug delivery systems with the ability to deliver both antibiotics and osteoinductive factors. Herein, a pH-sensitive silk fibroin (SF)/sodium alginate (SA) hydrogel scaffolds containing teicoplanin (TEC) and phenamil (PM) loaded SF nanoparticles (PMSFNPS) are introduced for treating chronic osteomyelitis. The TEC and PM showed a sustained- and pH-sensitive release behavior from SF/SA hydrogel. The higher release rate was seen in an alkaline pH in comparison to neutral and acidic pH during 10 days. The eluted TEC maintained its antibacterial activity of >75 % during 35 days and in three different pH values (5.5, 7.4, and 8.5). The cellular study indicated that the scaffolds containing PMSFNPs could promote the cell viability, ALP activity, and matrix mineralization. Moreover, the in vivo effectiveness of hydrogel scaffolds were analyzed with radiography, histological and Immunohistochemistry evaluations. The lower infection and higher regeneration were observed in methicillin-resistant Staphylococcus aureus (MRSA) infected rat bone treated with hydrogel scaffold containing PMSFNPs and TEC compared to other groups. Consequently, this dual-drug delivery system could be a hopeful approach for effective treatment of chronic bone infection.
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Affiliation(s)
- Hamidreza Motasadizadeh
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohamadreza Tavakoli
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sheyda Damoogh
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Gholami
- Department of Toxicology & Pharmacology, Faculty of Pharmacy; Toxicology and Poisoning Research Centre, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Atyabi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
| | - Rassoul Dinarvand
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Leicester School of Pharmacy, De Montfort University, Leicester, UK.
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22
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Zhang S, Luo X, Guo C, Huang K, Ding S, Li L, Zhou C, Li H. Tissue engineered bone via templated hBMSCs mineralization and its application for bone repairing. BIOMATERIALS ADVANCES 2022; 139:212937. [PMID: 35882130 DOI: 10.1016/j.bioadv.2022.212937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/28/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
To develop bone implants, a novel tissue-engineered bone was constructed via templated human bone mesenchymal stem cells (hBMSCs) mineralization. Firstly, an osteoid-like template (Os-template) with aligned collagen fibers was prepared and followed by seeding hBMSCs to mimic the process of bone formation. After being cultured over weeks, the cells produced collagen fibers in an orderly aligned osteomorphic fashion. Further, a novel tissue-engineered bone with mineralized collagen fiber (mOs-ECM) was subsequently achieved after cell mineralization, showing a high degree of osteomimicry in terms of both composition and structure. When applied to the rat cranial bone defect model, the mOs-ECM significantly promoted the new bone formation and fused with the host bone. The study indicated that microscopic cell mineralization could be guided by artificially designed templates and successfully fabricated a macroscopic implant with a pronounced effect on bone repairing.
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Affiliation(s)
- Shuyun Zhang
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; College of Life Science and Technology, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China
| | - Xueshi Luo
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; The First Affiliated Hospital of Jinan University, No. 613, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China
| | - Chuang Guo
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China
| | - Ke Huang
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China
| | - Shan Ding
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, PR China
| | - Lihua Li
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, PR China.
| | - Changren Zhou
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, PR China
| | - Hong Li
- College of Chemistry and Materials Science, Jinan University, No. 601, West Huangpu Avenue, Guangzhou, Guangdong 510632, PR China; Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, PR China.
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23
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Nanotechnology in the Diagnosis and Treatment of Osteomyelitis. Pharmaceutics 2022; 14:pharmaceutics14081563. [PMID: 36015188 PMCID: PMC9412360 DOI: 10.3390/pharmaceutics14081563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 11/23/2022] Open
Abstract
Infection remains one of the largest threats to global health. Among those infections that are especially troublesome, osteomyelitis, or inflammation of the bone, typically due to infection, is a particularly difficult condition to diagnose and treat. This difficulty stems not only from the biological complexities of opportunistic infections designed to avoid the onslaught of both the host immune system as well as exogenous antibiotics, but also from changes in the host vasculature and the heterogeneity of infectious presentations. While several groups have attempted to classify and stage osteomyelitis, controversy remains, often delaying diagnosis and treatment. Despite a host of preclinical treatment advances being incubated in academic and company research and development labs worldwide, clinical treatment strategies remain relatively stagnant, including surgical debridement and lengthy courses of intravenous antibiotics, both of which may compromise the overall health of the bone and the patient. This manuscript reviews the current methods for diagnosing and treating osteomyelitis and then contemplates the role that nanotechnology might play in the advancement of osteomyelitis treatment.
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24
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Parekh N, C K B, Kane K, Panicker A, Nisal A, Wangikar P, Agawane S. Superior processability of Antheraea mylitta silk with cryo-milling: Performance in bone tissue regeneration. Int J Biol Macromol 2022; 213:155-165. [PMID: 35609838 DOI: 10.1016/j.ijbiomac.2022.05.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 05/06/2022] [Accepted: 05/17/2022] [Indexed: 11/27/2022]
Abstract
Non-mulberry silk polymers have a promising future in biomedical applications. However, the dissolution of non-mulberry silk fiber is a still challenge and this poor processability has limited the use of this material. Here, we report a unique protocol to process the Antheraea mylitta (AM) silk fiber. We have shown that the cryo-milling of silk fiber reduces the beta sheet content by more than 10% and results in an SF powder that completely dissolves in routine solvents like trifluoroacetic acid (TFA) within few hours to form highly concentrated solutions (~20 wt%). Further, these solutions can be processed using conventional processing techniques such as electrospinning to form 3D scaffolds. Bombyx mori (BM) silk was used as a control sample in the study. In-vitro studies were also performed to monitor cell adhesion and proliferation and hMSCs differentiation into osteogenic lineage. Finally, the osteogenic potential of the scaffolds was also evaluated by a 4-week implantation study in rat calvarial model. The in-vitro and in-vivo results show that the processing techniques do not affect the biocompatibility of the material and the AM scaffolds support bone regeneration. Our results, thus, show that cryo-milling facilitates enhanced processability of non-mulberry silk and therefore expands its potential in biomedical applications.
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Affiliation(s)
- Nimisha Parekh
- Polymer Science and Engineering Division, CSIR-NCL, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Bijosh C K
- Polymer Science and Engineering Division, CSIR-NCL, Pune 411008, India
| | - Kartiki Kane
- Polymer Science and Engineering Division, CSIR-NCL, Pune 411008, India
| | - Alaka Panicker
- Polymer Science and Engineering Division, CSIR-NCL, Pune 411008, India
| | - Anuya Nisal
- Polymer Science and Engineering Division, CSIR-NCL, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Pralhad Wangikar
- PRADO, Preclinical Research and Development Organization Pvt. Ltd., Pune 410506, India
| | - Sachin Agawane
- Biochemical Science Division, CSIR-NCL, Pune 411008, India
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25
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Jang Y, Wee H, Oh J, Jung J. Single Microdroplet Breakup-Assisted Viscosity Measurement. MICROMACHINES 2022; 13:mi13040558. [PMID: 35457863 PMCID: PMC9032506 DOI: 10.3390/mi13040558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/25/2022] [Accepted: 03/29/2022] [Indexed: 12/04/2022]
Abstract
Recently, with the development of biomedical fields, the viscosity of prepolymer fluids, such as hydrogels, has played an important role in determining the mechanical properties of the extracellular matrix (ECM) or being closely related to cell viability in ECM. The technology for measuring viscosity is also developing. Here, we describe a method that can measure the viscosity of a fluid with trace amounts of prepolymers based on a simple flow-focused microdroplet generator. We also propose an equation that could predict the viscosity of a fluid. The viscosity of the prepolymer was predicted by measuring and calculating various lengths of the disperse phase at the cross junction of two continuous-phase channels and one disperse-phase channel. Bioprepolymer alginates and gelatin methacryloyl (GelMA) were used to measure the viscosity at different concentrations in a microdroplet generator. The break-up length of the dispersed phase at the cross junction of the channel gradually increased with increasing flow rate and viscosity. Additional viscosity analysis was performed to validate the standard viscosity calculation formula depending on the measured length. The viscosity formula derived based on the length of the alginate prepolymer was applied to GelMA. At a continuous phase flow rate of 400 uL/h, the empirical formula of alginate showed an error within about 2%, which was shown to predict the viscosity very well in the viscometer. Results of this study are expected to be very useful for hydrogel tuning in biomedical and tissue regeneration fields by providing a technology that can measure the dynamic viscosity of various prepolymers in a microchannel with small amounts of sample.
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Affiliation(s)
- Yeongseok Jang
- Department of Mechanical Design Engineering, Jeonbuk National University, Jeonju 54896, Korea;
| | - Hwabok Wee
- Department of Orthopaedics & Rehabilitation, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
| | - Jonghyun Oh
- Department of Nano-Bio Mechanical System Engineering, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (J.O.); (J.J.)
| | - Jinmu Jung
- Department of Nano-Bio Mechanical System Engineering, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (J.O.); (J.J.)
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26
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Natural Hydrogel-Based Bio-Inks for 3D Bioprinting in Tissue Engineering: A Review. Gels 2022; 8:gels8030179. [PMID: 35323292 PMCID: PMC8948717 DOI: 10.3390/gels8030179] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Three-dimensional (3D) printing is well acknowledged to constitute an important technology in tissue engineering, largely due to the increasing global demand for organ replacement and tissue regeneration. In 3D bioprinting, which is a step ahead of 3D biomaterial printing, the ink employed is impregnated with cells, without compromising ink printability. This allows for immediate scaffold cellularization and generation of complex structures. The use of cell-laden inks or bio-inks provides the opportunity for enhanced cell differentiation for organ fabrication and regeneration. Recognizing the importance of such bio-inks, the current study comprehensively explores the state of the art of the utilization of bio-inks based on natural polymers (biopolymers), such as cellulose, agarose, alginate, decellularized matrix, in 3D bioprinting. Discussions regarding progress in bioprinting, techniques and approaches employed in the bioprinting of natural polymers, and limitations and prospects concerning future trends in human-scale tissue and organ fabrication are also presented.
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27
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Deshpande R, Shukla S, Kale A, Deshmukh N, Nisal A, Venugopalan P. Silk Fibroin Microparticle Scaffold for Use in Bone Void Filling: Safety and Efficacy Studies. ACS Biomater Sci Eng 2022; 8:1226-1238. [PMID: 35166518 DOI: 10.1021/acsbiomaterials.1c01103] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Silk fibroin (SF) is a natural biocompatible protein polymer extracted from cocoons of silkworm Bombyx mori. SF can be processed into a variety of different forms and shapes that can be used as scaffolds to support bone regeneration. Three-dimensional (3D) SF scaffolds have shown promise in bone-void-filling applications. In in vitro studies, it has been demonstrated that a microparticle-based SF (M-RSF) scaffold promotes the differentiation of stem cells into an osteoblastic lineage. The expression of differentiation markers was also significantly higher for M-RSF scaffolds as compared to other SF scaffolds and commercial ceramic scaffolds. In this work, we have evaluated the in vitro and in vivo biocompatibility of M-RSF scaffolds as per the ISO 10993 guidelines in a Good Laboratory Practice (GLP)-certified facility. The cytotoxicity, immunogenicity, genotoxicity, systemic toxicity, and implantation studies confirmed that the M-RSF scaffold is biocompatible. Further, the performance of the M-RSF scaffold to support bone formation was evaluated in in vivo bone implantation studies in a rabbit model. Calcium sulfate (CaSO4) scaffolds were chosen as reference material for this study as they are one of the preferred materials for bone-void-filling applications. M-RSF scaffold implantation sites showed a higher number of osteoblast and osteoclast cells as compared to CaSO4 implantation sites indicating active bone remodeling. The number density of osteocytes was double for M-RSF scaffold implantation sites, and these M-RSF scaffold implantation sites were characterized by enhanced collagen deposition, pointing toward a finer quality of the new bone formed. Moreover, the M-RSF scaffold implantation sites had a negligible incidence of secondary fractures as compared to the CaSO4 implantation sites (∼50% sites with secondary fracture), implying a reduction in postsurgical complications. Thus, the study demonstrates that the M-RSF scaffold is nontoxic for bone-void-filling applications and facilitates superior healing of fracture defects as compared to commercial calcium-based bone void fillers.
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Affiliation(s)
- Rucha Deshpande
- Serigen Mediproducts Pvt Ltd., Plot no. 9, Electronic Co-op Estate, Satara Road, Parvati Paytha, Pune 411009, India
| | - Swati Shukla
- Serigen Mediproducts Pvt Ltd., Plot no. 9, Electronic Co-op Estate, Satara Road, Parvati Paytha, Pune 411009, India
| | - Amod Kale
- Intox Private Limited, Pune, 375, Urawade, Tal. Mulshi, Pune 412115, India
| | - Narendra Deshmukh
- Intox Private Limited, Pune, 375, Urawade, Tal. Mulshi, Pune 412115, India
| | - Anuya Nisal
- Polymer Science and Engineering Dept., CSIR-National Chemical Laboratory, Homi Bhabha Road, Pashan, Pune 411008, India
| | - Premnath Venugopalan
- Polymer Science and Engineering Dept., CSIR-National Chemical Laboratory, Homi Bhabha Road, Pashan, Pune 411008, India
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28
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Ghanbari E, Mehdipour A, Khazaei M, Khoshfeterat AB, Niknafs B. A review of recent advances on osteogenic applications of Silk fibroin as a potential bio-scaffold in bone tissue engineering. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2032707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Elham Ghanbari
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Mehdipour
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mozafar Khazaei
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Behrooz Niknafs
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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29
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Injectable pH-responsive adhesive hydrogels for bone tissue engineering inspired by the underwater attachment strategy of marine mussels. BIOMATERIALS ADVANCES 2022; 133:112606. [PMID: 35525750 PMCID: PMC9933951 DOI: 10.1016/j.msec.2021.112606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/19/2021] [Accepted: 12/07/2021] [Indexed: 11/21/2022]
Abstract
A major challenge in tissue engineering is the development of alternatives to traditional bone autografts and allografts that can regenerate critical-sized bone defects. Here we present the design of injectable pH-responsive double-crosslinked adhesive hydrogels inspired by the molecular mechanism and environmental post-processing of marine mussel adhesive. Nine adhesive hydrogel formulations were developed through the conjugation of crosslinkable catechol functional groups (DOPA) and the synthetic oligomer oligo[poly(ethylene glycol) fumarate] (OPF), varying the DOPA content (w/w%) and molecular weight (MW) of the OPF backbone to produce formulations with a range of swelling ratios, porosities, and crosslink densities. DOPA incorporation altered the surface chemistry, mechanical properties, and surface topography of hydrogels, resulting in an increase in material stiffness, slower degradation, and enhanced pre-osteoblast cell attachment and proliferation. When injected within simulated bone defects, DOPA-mediated interfacial adhesive interactions also prevented the displacement of scaffolds, an effect that was maintained even after swelling within physiological conditions. Taken together, OPF-DOPA hydrogels represent a promising new material to enhanced tissue integration and the prevention of the post-implantation migration of scaffolds that can occur due to biomechanical loading in vivo.
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30
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A Collagen(Col)/nano-hydroxyapatite (nHA) biological composite bone scaffold with double multi-level interface reinforcement. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103733] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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31
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Zhao ZH, Ma XL, Ma JX, Kang JY, Zhang Y, Guo Y. Sustained release of naringin from silk-fibroin-nanohydroxyapatite scaffold for the enhancement of bone regeneration. Mater Today Bio 2022; 13:100206. [PMID: 35128373 PMCID: PMC8808263 DOI: 10.1016/j.mtbio.2022.100206] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 12/14/2022] Open
Abstract
Bone defects are a common challenge in the clinical setting. Bone tissue engineering (BTE) is an effective treatment for the clinical problem of large bone defects. In this study, we fabricated silk fibroin (SF)/hydroxyapatite (HAp) scaffolds inlaid with naringin poly lactic-co-glycolic acid (PLGA) microspheres, investigating the feasibility of their application in BTE. Naringin PLGA microspheres were manufactured and adhered to the SF/HAp scaffold. Bone mesenchymal stem cells (BMSCs) were inoculated onto the SF/HAp scaffold containing naringin PLGA microsphere to examine the biocompatibility of the SF/HAp scaffolds. A rabbit femoral distal bone defect model was used to evaluate the in vivo function of the SF/HAp scaffolds containing naringin-loaded PLGA microspheres. The current study demonstrated that SF/HAp scaffolds containing naringin-loaded PLGA microspheres show promise as osteo-modulatory biomaterials for bone regeneration.
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Key Words
- ALP, Alkaline phosphatase activity
- ANOVA, one-way analysis of variance
- BMSCs, Bone mesenchymal stem cells
- BP, biological process
- BTE, Bone tissue engineering
- Bone defect
- CC, cellular component
- CCK-8, Cell count kit-8
- DAVID, database for annotation, visualization, and integrated discovery
- GO, Gene ontology
- HAp, hydroxyapatite
- HUVEC, human umbilical endothelial cells
- Hydroxyapatite
- KEGG, Kyoto Encyclopedia of Genes and Genomes
- MF, molecular function
- Microsphere
- Naringin
- PLGA
- PLGA, poly lactic-co-glycolic acid
- PVA, Polyvinyl alcohol
- RNA-Seq, RNA sequencing
- RT-PCR, real-time quantitative polymerase chain reaction
- SEM, scanning electron microscopy
- SF, silk fibroin
- Silk
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Affiliation(s)
- Zhi-hu Zhao
- Department of Orthopaedics, Tianjin Hospital, No. 406, Jiefangnan Road, Hexi District, Tianjin, 300000, China
| | - Xin-long Ma
- Department of Orthopaedics, Tianjin Hospital, No. 406, Jiefangnan Road, Hexi District, Tianjin, 300000, China
| | - Jian-xiong Ma
- Tianjin Institute of Orthopedics in Traditional Chinese and Western Medicine, No. 122, Munan Road, Tianjin, 300050, China
| | - Jia-yu Kang
- Department of Orthopedics, Jinhua Municipal Central Hospital, Jinhua, Zhejiang Province, China
| | - Yang Zhang
- Tianjin Institute of Orthopedics in Traditional Chinese and Western Medicine, No. 122, Munan Road, Tianjin, 300050, China
| | - Yue Guo
- Tianjin Institute of Orthopedics in Traditional Chinese and Western Medicine, No. 122, Munan Road, Tianjin, 300050, China
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32
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Dong Z, Wu D, Engqvist H, Luo J, Persson C. Silk fibroin hydrogels induced and reinforced by acidic calcium phosphate - A simple way of producing bioactive and drug-loadable composites for biomedical applications. Int J Biol Macromol 2021; 193:433-440. [PMID: 34715202 DOI: 10.1016/j.ijbiomac.2021.10.160] [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: 08/30/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 12/29/2022]
Abstract
Silk fibroin (SF) hydrogels have attracted extensive interest in biomedical applications due to their biocompatibility and wide availability. However, their generally poor mechanical properties limit their utility. Here, injectable, ready-to-use SF-based composites, simultaneously induced and reinforced by acidic calcium phosphates, were prepared via a dual-paste system requiring no complex chemical/physical treatment. The composite was formed by mixing a monocalcium phosphate monohydrate paste with a β-tricalcium phosphate/SF paste. The conformational transition of SF in an acidic environment forms continuous networks, and the acidic calcium phosphate, brushite and monetite, formed simultaneously in the networks during mixing. The composites displayed a partly elastomeric compression behavior, with mechanical properties increasing with an increasing calcium phosphate and β-sheet content at the lower calcium phosphate contents evaluated (22.2-36.4 wt%). While the stiffness was still relatively low, the materials presented a high elasticity and ductility, and no failure at stresses in the range of failure stresses of trabecular bone. Furthermore, the calcium phosphate confers bioactivity to the material, and the composites with a promising in vitro cell response also showed potential as drug vehicles, using vancomycin as a model drug. These dual-paste systems exhibit potential utility in biomedical applications, such as bone void fillers and drug vehicles.
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Affiliation(s)
- Zhiyun Dong
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Dan Wu
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden
| | - Håkan Engqvist
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China; Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden.
| | - Cecilia Persson
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden; Division of Biomedical Engineering, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden.
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33
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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: 29] [Impact Index Per Article: 9.7] [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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34
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Lemos R, Maia FR, Reis RL, Oliveira JM. Engineering of Extracellular Matrix‐Like Biomaterials at Nano‐ and Macroscale toward Fabrication of Hierarchical Scaffolds for Bone Tissue Engineering. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Rafael Lemos
- 3B's Research Group I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics of 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 4805-017 Barco, Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
- Centre of Physics (CFUM) University of Minho Campus de Gualtar 4710-057 Braga Portugal
| | - F. Raquel Maia
- 3B's Research Group I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics of 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 4805-017 Barco, Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Rui L. Reis
- 3B's Research Group I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics of 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 4805-017 Barco, Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Joaquim M. Oliveira
- 3B's Research Group I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics of 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 4805-017 Barco, Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
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Abstract
Silk is a functional protein biomaterial produced by a variety of insects like flies, silkworms, scorpions, spiders, and mites. Silk synthesized by silkworms is extensively studied for its applications in tissue engineering and wound healing. Silk is undoubtedly a natural biocompatible material with humans and has its role in medical treatments from ancient times. The silk worm protein comprises two types of proteins namely fibroin and sericin. Silk fibroin makes up approximately 70% of cocoon weight and has wide applications in textiles and in all biomedical applications owing to its biocompatible, nontoxic, biodegradable, less immunogenic, and noncarcinogenic nature. It possesses outstanding toughness and mechanical strength, while silk sericin possesses high defensive ability against ultraviolet light and oxidation. Silk fibroin has been known to induce wound healing by increasing cell proliferation and growth and migrating various types of cells which are involved in different stages of wound healing process. With several silk varieties like silk worm fibroin, silk sericin, recombinant silk materials, and native spider silk have been investigated for its wound healing applications over the last several decades. With an objective of harnessing the silk regenerative properties, plentiful strategies have been studied and applied to develop bioartificial skin grafts and bioactive wound dressings in recent times. This review gives a detailed insight into the structure, general properties, fibroin structure-properties relationship, and biomedical applications of silk fibroin.
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Deshpande R, Shukla S, Sayyad R, Salunke S, Nisal A, Venugopalan P. Silk fibroin and ceramic scaffolds: Comparative in vitro studies for bone regeneration. Bioeng Transl Med 2021; 6:e10221. [PMID: 34589598 PMCID: PMC8459602 DOI: 10.1002/btm2.10221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 02/23/2021] [Accepted: 03/04/2021] [Indexed: 01/21/2023] Open
Abstract
Synthetic bone void fillers based on calcium ceramics are used to fill cavities in the bone and promote bone regeneration. More recently, silk fibroin (SF), a protein polymer obtained from Bombyx mori silkworm, has emerged as a promising material in bone void filling. In this work, we have compared the safety and efficacy of two types of silk fibroin-based bone void fillers with currently used and commercially available ceramic bone void fillers (based on calcium sulphate, beta tricalcium phosphate, and beta tricalcium phosphate with hydroxyapatite). Further, we have also evaluated these two types of SF scaffolds, which have strikingly different structural attributes. The biocompatibility of these scaffolds was comparable as assessed by cytotoxicity assay, cellular adhesion assay, and immunogenic assay. Ability of the scaffolds to support differentiation of human mesenchymal stem cells (hMSCs) into an osteoblastic lineage was also evaluated in an in vitro differentiation experiment using reverse transcriptase polymerase chain reaction analysis. These results revealed that cells cultured on SF scaffolds exhibit higher expression of early to late markers such as Runx2, BMPs, collagen, osterix, osteopontin, and osteocalcin as compared with ceramic-based scaffolds. This observation was further validated by studying the expression of alkaline phosphatase and calcium deposition. We also show that scaffolds made from same material of SF, but characterized by very different pore architectures, have diverse outcome in stem cell differentiation.
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Affiliation(s)
- Rucha Deshpande
- Research and DevelopmentSerigen Mediproducts Pvt. Ltd.Satara RoadPuneMaharashtraIndia
| | - Swati Shukla
- Research and DevelopmentSerigen Mediproducts Pvt. Ltd.Satara RoadPuneMaharashtraIndia
| | - Raeesa Sayyad
- Research and DevelopmentSerigen Mediproducts Pvt. Ltd.Satara RoadPuneMaharashtraIndia
| | - Shalmali Salunke
- Research and DevelopmentSerigen Mediproducts Pvt. Ltd.Satara RoadPuneMaharashtraIndia
| | - Anuya Nisal
- Department of Polymer Science and Engineering, CSIR‐National Chemical LaboratoryPuneIndia
| | - Premnath Venugopalan
- Department of Polymer Science and Engineering, CSIR‐National Chemical LaboratoryPuneIndia
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Ding Z, Cheng W, Mia MS, Lu Q. Silk Biomaterials for Bone Tissue Engineering. Macromol Biosci 2021; 21:e2100153. [PMID: 34117836 DOI: 10.1002/mabi.202100153] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/17/2021] [Indexed: 12/14/2022]
Abstract
Silk is a natural fibrous polymer with application potential in regenerative medicine. Increasing interest remains for silk materials in bone tissue engineering due to their characteristics in biocompatibility, biodegradability and mechanical properties. Plenty of the in vitro and in vivo studies confirmed the advantages of silk in accelerating bone regeneration. Silk is processed into scaffolds, hydrogels, and films to facilitate different bone regenerative applications. Bioactive factors such as growth factors and drugs, and stem cells are introduced to silk-based matrices to create friendly and osteogenic microenvironments, directing cell behaviors and bone regeneration. The recent progress in silk-based bone biomaterials is discussed and focused on different fabrication and functionalization methods related to osteogenesis. The challenges and potential targets of silk bone materials are highlighted to evaluate the future development of silk-based bone materials.
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Affiliation(s)
- Zhaozhao Ding
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Weinan Cheng
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, Xiamen, 361000, P. R. China
| | - Md Shipan Mia
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Qiang Lu
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
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38
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Sellappan LK, Sanmugam A, Manoharan S. Fabrication of dual layered biocompatible herbal biopatch from biological waste for skin - tissue regenerative applications. Int J Biol Macromol 2021; 183:1106-1118. [PMID: 33984381 DOI: 10.1016/j.ijbiomac.2021.05.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/23/2021] [Accepted: 05/04/2021] [Indexed: 11/28/2022]
Abstract
A dual layered herbal biopolymeric patch (biopatch) with enhanced wound healing efficiency and skin mimicking functions was fabricated for skin-tissue regenerative applications. In this study, hoof keratin (KE) extracted from biological waste and gelatin (GE) was employed for KE-GE biosheet fabrication using a simple casting method. Further, the top layer of the fabricated KE-GE biosheet was coated with bioactive Matricaria recutita (Chamomile flower) extract (CH) with gelatin through an electrospraying method. The optimized dual layered herbal biopatch (KE-GE/GE-CH) exhibits strong physiochemical (FTIR, XRD TG-DTA), mechanical (tensile strength) and biological (in vitro and in vivo) studies. Moreover, the morphology (SEM) of soft mimetic biopatch possesses excellent cell-material interaction and cell proliferation which accelerates the wound healing process. Biopatch demonstrates a proven degradation profile with good swelling features to achieve more than 80% herbal drug release in 96 h. Antimicrobial properties also reveal the potential activity of biopatch against bacterial microbes. In addition, in vitro cell viability using NIH 3T3 fibroblast cell lines and in vivo investigations revealed that the biopatch is non-cytotoxic, increases collagen deposition and shows rapid reepithelialization at the wound site as a potential wound dressing. We anticipated that the biological hoof keratin and bioactive herbal extract coated biopatch could serve as a desirable wound dressing candidate to suit various skin tissue regenerative applications.
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Affiliation(s)
- Logesh Kumar Sellappan
- Department of Biomedical Engineering, Dr. N.G.P. Institute of Technology, Coimbatore 641048, India.
| | - Anandhavelu Sanmugam
- Department of Chemistry, Vel Tech Multi Tech Engineering College, Chennai 600062, India.
| | - Swathy Manoharan
- Department of Biomedical Engineering, K.P.R. Institute of Engineering and Technology, Coimbatore 641407, India
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Tang G, Liu Z, Liu Y, Yu J, Wang X, Tan Z, Ye X. Recent Trends in the Development of Bone Regenerative Biomaterials. Front Cell Dev Biol 2021; 9:665813. [PMID: 34026758 PMCID: PMC8138062 DOI: 10.3389/fcell.2021.665813] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/01/2021] [Indexed: 12/12/2022] Open
Abstract
The goal of a biomaterial is to support the bone tissue regeneration process at the defect site and eventually degrade in situ and get replaced with the newly generated bone tissue. Biomaterials that enhance bone regeneration have a wealth of potential clinical applications from the treatment of non-union fractures to spinal fusion. The use of bone regenerative biomaterials from bioceramics and polymeric components to support bone cell and tissue growth is a longstanding area of interest. Recently, various forms of bone repair materials such as hydrogel, nanofiber scaffolds, and 3D printing composite scaffolds are emerging. Current challenges include the engineering of biomaterials that can match both the mechanical and biological context of bone tissue matrix and support the vascularization of large tissue constructs. Biomaterials with new levels of biofunctionality that attempt to recreate nanoscale topographical, biofactor, and gene delivery cues from the extracellular environment are emerging as interesting candidate bone regenerative biomaterials. This review has been sculptured around a case-by-case basis of current research that is being undertaken in the field of bone regeneration engineering. We will highlight the current progress in the development of physicochemical properties and applications of bone defect repair materials and their perspectives in bone regeneration.
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Affiliation(s)
- Guoke Tang
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zhiqin Liu
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
| | - Yi Liu
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jiangming Yu
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhihong Tan
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
| | - Xiaojian Ye
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
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40
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Li Q, Yu H, Sun M, Yang P, Hu X, Ao Y, Cheng J. The tissue origin effect of extracellular vesicles on cartilage and bone regeneration. Acta Biomater 2021; 125:253-266. [PMID: 33657452 DOI: 10.1016/j.actbio.2021.02.039] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/22/2021] [Accepted: 02/24/2021] [Indexed: 12/30/2022]
Abstract
Direct implantation of mesenchymal stem cells (MSCs) for cartilage and bone tissue engineering faces challenges, such as immune rejection and loss of cellular viability or functionality. As nanoscale natural particles, exosomes or small extracellular vesicles (EVs) of MSCs have potential to circumvent these problems. It is significant to investigate the impact of the tissue origin of MSCs on the therapeutic bioactivity of their corresponding EVs for cartilage and bone regeneration. Here, rat MSCs isolated from the adipose, bone marrow, and synovium are cultured to obtain their corresponding EVs (ADSC-EVs, BMSC-EVs, and SMSC-EVs, respectively). The ADSC-EVs stimulate the migration, proliferation, and chondrogenic and osteogenic differentiation of BMSCs in vitro as well as cartilage and bone regeneration in a mouse model more than the BMSC-EVs or SMSC-EVs. Proteomics analysis reveals that the tissue origin contributes to the distinct protein profiles among the three types of EVs, which induced cartilage and bone regenerative capacities by potential mechanisms of regulating signaling pathways including focal adhesion, ECM-receptor interaction, actin cytoskeleton, cAMP, and PI3K-Akt signaling pathways. Consequently, these findings provide insight that the adipose may be a superior candidate in EV-based nanomedicine for cartilage and bone regeneration. STATEMENT OF SIGNIFICANCE: Extracelluar vesicles (EVs) of mesenchymal stem cells (MSCs) have been considered as a promising approach in cartilage and bone tissue engineering. In this study, for the first time, we investigated the tissue origin effect of EVs on chondrogenesis and osteogenesis of MSCs in vitro and in vivo. The results demonstrated that EVs of adipose-derived MSCs showed the most efficiency. Meanwhile, protein proteomics revealed the potential mechanisms. We provide a novel evidence that the adipose is a superior reservoir in EV-based nanotechnologies and biomaterials for cartilage and bone regeneration.
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Affiliation(s)
- Qi Li
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Huilei Yu
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Muyang Sun
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Peng Yang
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Xiaoqing Hu
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Yingfang Ao
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China.
| | - Jin Cheng
- Department of Sports Medicine, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China.
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41
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Three-Dimensional Printing of Hydroxyapatite Composites for Biomedical Application. CRYSTALS 2021. [DOI: 10.3390/cryst11040353] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hydroxyapatite (HA) and HA-based nanocomposites have been recognized as ideal biomaterials in hard tissue engineering because of their compositional similarity to bioapatite. However, the traditional HA-based nanocomposites fabrication techniques still limit the utilization of HA in bone, cartilage, dental, applications, and other fields. In recent years, three-dimensional (3D) printing has been shown to provide a fast, precise, controllable, and scalable fabrication approach for the synthesis of HA-based scaffolds. This review therefore explores available 3D printing technologies for the preparation of porous HA-based nanocomposites. In the present review, different 3D printed HA-based scaffolds composited with natural polymers and/or synthetic polymers are discussed. Furthermore, the desired properties of HA-based composites via 3D printing such as porosity, mechanical properties, biodegradability, and antibacterial properties are extensively explored. Lastly, the applications and the next generation of HA-based nanocomposites for tissue engineering are discussed.
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42
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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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43
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Vimalraj S, Yuvashree R, Hariprabu G, Subramanian R, Murali P, Veeraiyan DN, Thangavelu L. Zebrafish as a potential biomaterial testing platform for bone tissue engineering application: A special note on chitosan based bioactive materials. Int J Biol Macromol 2021; 175:379-395. [PMID: 33556401 DOI: 10.1016/j.ijbiomac.2021.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 12/12/2022]
Abstract
Biomaterials function as an essential aspect of tissue engineering and have a profound impact on cell growth and subsequent tissue regeneration. The development of new biomaterials requires a potential platform to understand the host-biomaterial interaction, which is crucial for successful biomaterial implantation. Biomaterials analyzed in rodent models for in vivo research are cost-effective but tedious, and the practice has many technical difficulties. As an alternative, zebrafish provide an excellent biomaterial testing platform over the current rodent models. During growth and recovery, zebrafish bone morphogenesis shows a variety of inductive signals involved in the cycle that are close to those influencing differentiation of bone and cartilage in mammals, including humans. This platform is cheap, optically transparent, quick to change genes, and provides reliable reproducibility on short life cycles. Chitosan is a well-known biomaterial in the field of tissue engineering. In view of its documented use in bone regeneration, the biological characterization of chitosan-based bioactive materials in the zebrafish model has been featured in an outstanding note. We, therefore, outlined this review of the zebrafish as a potential in vivo research model for the rapid characterization of the biological properties of new biomaterials for bone tissue engineering applications.
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Affiliation(s)
- Selvaraj Vimalraj
- Centre for Biotechnology, Anna University, Chennai 600 025, Tamil Nadu, India; Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India.
| | | | - Gopal Hariprabu
- Centre for Biotechnology, Anna University, Chennai 600 025, Tamil Nadu, India
| | - Raghunandhakumar Subramanian
- Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India
| | - Palraju Murali
- Department of Zoology, N.M.S.S. Vellaichamy Nadar College, Nagamalai, Madurai, Tamil Nadu, India
| | - Deepak Nallaswamy Veeraiyan
- Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India
| | - Lakshmi Thangavelu
- Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India
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44
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Chitosan Composite Biomaterials for Bone Tissue Engineering—a Review. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2020. [DOI: 10.1007/s40883-020-00187-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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45
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Rezaei F, Damoogh S, Reis RL, Kundu SC, Mottaghitalab F, Farokhi M. Dual drug delivery system based on pH-sensitive silk fibroin/alginate nanoparticles entrapped in PNIPAM hydrogel for treating severe infected burn wound. Biofabrication 2020; 13:015005. [PMID: 33078712 DOI: 10.1088/1758-5090/abbb82] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Herein, the pH-sensitive vancomycin (VANCO) loaded silk fibroin-sodium alginate nanoparticles (NPs) embedded in poly(N-isopropylacrylamide) (PNIPAM) hydrogel containing epidermal growth factor (EGF) are introduced for treating chronic burn wound infections. The hybrid system was developed to control the release rates of an antibiotic and growth factor for optimal treatment of burn infections. VANCO had a pH responsive release behavior from the nanoparticle (NP) and showed higher release rate in an alkaline pH compared to the neutral pH during 10 d. About 30% of EGF was also released from the hydrogel within 20 d. The released VANCO and EGF preserved their bioactivity more than ∼ 80%. The suitable physico-chemical properties and cellular behaviors of PNIPAM hydrogel supported the proliferation and growth of the fibroblast cells. Furthermore, the higher re-epithelialization with good wound contraction rate, neovascular formation, and expression of transforming growth factor-beta were observed in S. aureus infected rat burn wound by using the hydrogel containing VANCO and EGF compared with untreated wounds and hydrogel alone. The wound infection was also significantly reduced in the groups treated with the hydrogels containing VANCO. Overall, in vitro and in vivo results suggested that developed hybrid system would be a promising construct to treat severe wound infection.
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Affiliation(s)
- Fatemeh Rezaei
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran 15875/4413, Iran. These authors contributed equally to this work
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46
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Chen Z, Zhang Q, Li H, Wei Q, Zhao X, Chen F. Elastin-like polypeptide modified silk fibroin porous scaffold promotes osteochondral repair. Bioact Mater 2020; 6:589-601. [PMID: 33005824 PMCID: PMC7509194 DOI: 10.1016/j.bioactmat.2020.09.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/11/2022] Open
Abstract
Silk fibroin (SF) is considered biocompatible and biodegradable for osteochondral repair. However, it lacks a bioactive domain for cell adhesion, proliferation and differentiation, limiting its therapeutic efficacy. To revamp SF as a biomimicking and bioactive microenvironment to regulate cell behaviours, we engineered an elastin-like polypeptide (ELP, Val-Pro-Gly-Xaa-Gly) to modify SF fibers via simple and green dehydrothermal (DHT) treatment. Our results demonstrated that the ELP successfully bound to SF, and the scaffold was reinforced by the fusion of the silk fiber intersections with ELP (S-ELP-DHT) via the DHT treatment. Both bone mesenchymal stem cells (BMSCs) and chondrocytes exhibited improved spreading and proliferation on the S-ELP-DHT scaffolds. The ex vivo and in vivo experiments further demonstrated enhanced mature bone and cartilage tissue formation using the S-ELP-DHT scaffolds compared to the naked SF scaffolds. These results indicated that a recombinant ELP-modified silk scaffold can mimic three-dimensional (3D) cell microenvironment, and improve bone and cartilage regeneration. We envision that our scaffolds have huge clinical potential for osteochondral repair. Elastin-like polypeptide (ELP) modified silk fibroin (SF) scaffold was developed via dehydrothermal treatment (S-ELP-DHT). The S-ELP-DHT scaffold provided a beneficial cell microenvironment for osteochondral repair. Greater mature bone and cartilage tissue formation were achieved. Improved repair efficacy for articular osteochondral defects was confirmed.
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Affiliation(s)
- Zhuoyue Chen
- Provincial Key Laboratory of Biotechnology of Shaanxi, Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Faculty of Life Science, Northwest University, 229 North TaiBai Road, Xi'an, Shaanxi Province, 710069, China
| | - Qiang Zhang
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Hongmin Li
- Provincial Key Laboratory of Biotechnology of Shaanxi, Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Faculty of Life Science, Northwest University, 229 North TaiBai Road, Xi'an, Shaanxi Province, 710069, China
| | - Qi Wei
- Provincial Key Laboratory of Biotechnology of Shaanxi, Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Faculty of Life Science, Northwest University, 229 North TaiBai Road, Xi'an, Shaanxi Province, 710069, China
| | - Xin Zhao
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
- Corresponding author.
| | - Fulin Chen
- Provincial Key Laboratory of Biotechnology of Shaanxi, Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Faculty of Life Science, Northwest University, 229 North TaiBai Road, Xi'an, Shaanxi Province, 710069, China
- Corresponding author.
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47
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Gelatin-crosslinked pectin nanofiber mats allowing cell infiltration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110941. [DOI: 10.1016/j.msec.2020.110941] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/26/2020] [Accepted: 04/07/2020] [Indexed: 12/17/2022]
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48
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Leem JW, Fraser MJ, Kim YL. Transgenic and Diet-Enhanced Silk Production for Reinforced Biomaterials: A Metamaterial Perspective. Annu Rev Biomed Eng 2020; 22:79-102. [PMID: 32160010 DOI: 10.1146/annurev-bioeng-082719-032747] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Silk fibers, which are protein-based biopolymers produced by spiders and silkworms, are fascinating biomaterials that have been extensively studied for numerous biomedical applications. Silk fibers often have remarkable physical and biological properties that typical synthetic materials do not exhibit. These attributes have prompted a wide variety of silk research, including genetic engineering, biotechnological synthesis, and bioinspired fiber spinning, to produce silk proteins on a large scale and to further enhance their properties. In this review, we describe the basic properties of spider silk and silkworm silk and the important production methods for silk proteins. We discuss recent advances in reinforced silk using silkworm transgenesis and functional additive diets with a focus on biomedical applications. We also explain that reinforced silk has an analogy with metamaterials such that user-designed atypical responses can be engineered beyond what naturally occurring materials offer. These insights into reinforced silk can guide better engineering of superior synthetic biomaterials and lead to discoveries of unexplored biological and medical applications of silk.
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Affiliation(s)
- Jung Woo Leem
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Malcolm J Fraser
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana 46556, USA.,Eck Institute for Global Health, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Young L Kim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA.,Purdue University Center for Cancer Research, Regenstrief Center for Healthcare Engineering, and Purdue Quantum Science and Engineering Institute, West Lafayette, Indiana 47907, USA;
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49
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Farokhi M, Mottaghitalab F, Reis RL, Ramakrishna S, Kundu SC. Functionalized silk fibroin nanofibers as drug carriers: Advantages and challenges. J Control Release 2020; 321:324-347. [DOI: 10.1016/j.jconrel.2020.02.022] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/11/2020] [Accepted: 02/11/2020] [Indexed: 12/13/2022]
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50
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Sharmila G, Muthukumaran C, Kirthika S, Keerthana S, Kumar NM, Jeyanthi J. Fabrication and characterization of Spinacia oleracea extract incorporated alginate/carboxymethyl cellulose microporous scaffold for bone tissue engineering. Int J Biol Macromol 2020; 156:430-437. [PMID: 32294496 DOI: 10.1016/j.ijbiomac.2020.04.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 03/19/2020] [Accepted: 04/07/2020] [Indexed: 01/07/2023]
Abstract
In recent years, plant based scaffold due to its inherent properties such as mechanical stability, renewability, easy mass production, inexpensiveness, biocompatibility and biodegradability with low toxic effects have received much attention in the field of bone tissue engineering. Design of good tissue compatible plant based polymer scaffold plays a vital role in biomedicine, nanomedicine and in various tissue engineering applications. The present study focused on the fabrication of a novel herbal scaffold using the medicinal plants Spinacia oleracea (SO) and Cissus quadrangularis (CQ) extracts incorporated with Alginate (Alg), Carboxy Methyl Cellulose (CMC) by lyophilization method. The structural nature and the properties of prepared scaffold were analyzed by XRD, FE-SEM, FTIR, EDAX, TGA, swelling ratio, porosity, in-vitro degradation and cell viability studies. The biocompatible nature of the plant based polymer scaffold was assessed using MG-63 Human Osteosarcoma cell line. The investigation of biocompatibility study showed that Alg/CMC/SO scaffold expressed higher cell viability than Alg/CMC/SO-CQ scaffold, which possess better cellular biocompatibility. The results of the present study suggested that plant based Alg/CMC/SO scaffold serve as a potential biopolymer scaffold which could be further exploited for bone tissue applications.
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Affiliation(s)
- Govindasamy Sharmila
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India.
| | - Chandrasekaran Muthukumaran
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Shanmugam Kirthika
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Sundarapandian Keerthana
- Bioprocess Laboratory, Department of Industrial Biotechnology, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
| | - Narasimhan Manoj Kumar
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamilnadu, India
| | - Jeyadharmarajan Jeyanthi
- Department of Civil Engineering, Government College of Technology, Coimbatore 641 013, Tamilnadu, India
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