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Yoon H, Park Y, Kwak JG, Lee J. Collagen structures of demineralized bone paper direct mineral metabolism. JBMR Plus 2024; 8:ziae080. [PMID: 38989259 PMCID: PMC11235081 DOI: 10.1093/jbmrpl/ziae080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 05/28/2024] [Accepted: 06/12/2024] [Indexed: 07/12/2024] Open
Abstract
Bone is a dynamic mineralized tissue that undergoes continuous turnover throughout life. While the general mechanism of bone mineral metabolism is documented, the role of underlying collagen structures in regulating osteoblastic mineral deposition and osteoclastic mineral resorption remains an active research area, partly due to the lack of biomaterial platforms supporting accurate and analytical investigation. The recently introduced osteoid-inspired demineralized bone paper (DBP), prepared by 20-μm thin sectioning of demineralized bovine compact bone, holds promise in addressing this challenge as it preserves the intrinsic bony collagen structure and retains semi-transparency. Here, we report on the impact of collagen structures on modulating osteoblast and osteoclast-driven bone mineral metabolism using vertical and transversal DBPs that exhibit a uniaxially aligned and a concentric ring collagen structure, respectively. Translucent DBP reveals these collagen structures and facilitates longitudinal tracking of mineral deposition and resorption under brightfield microscopy for at least 3 wk. Genetically labeled primary osteogenic cells allow fluorescent monitoring of these cellular processes. Osteoblasts adhere and proliferate following the underlying collagen structures of DBPs. Osteoblastic mineral deposition is significantly higher in vertical DBP than in transversal DBP. Spatiotemporal analysis reveals notably more osteoblast adhesion and faster mineral deposition in vascular regions than in bone regions. Subsequent osteoclastic resorption follows these mineralized collagen structures, directing distinct trench and pit-type resorption patterns. In vertical DBP, trench-type resorption occurs at an 80% frequency, whereas transversal DBP shows 35% trench-type and 65% pit-type resorption. Our studies substantiate the importance of collagen structures in regulating mineral metabolism by osteogenic cells. DBP is expected to serve as an enabling biomaterial platform for studying various aspects of cellular and extracellular bone remodeling biology.
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Affiliation(s)
- Hyejin Yoon
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, MA 01003, United States
- Molecular and Cellular Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, United States
| | - Yongkuk Park
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, United States
| | - Jun-Goo Kwak
- Molecular and Cellular Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, United States
| | - Jungwoo Lee
- Molecular and Cellular Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, United States
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, United States
- Department of Biomedical Engineering, University of Massachusetts, Amherst, MA 01003, United States
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Zhang Y, Yan J, Zhang Y, Liu H, Han B, Li W. Age-related alveolar bone maladaptation in adult orthodontics: finding new ways out. Int J Oral Sci 2024; 16:52. [PMID: 39085217 PMCID: PMC11291511 DOI: 10.1038/s41368-024-00319-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 08/02/2024] Open
Abstract
Compared with teenage patients, adult patients generally show a slower rate of tooth movement and more pronounced alveolar bone loss during orthodontic treatment, indicating the maladaptation of alveolar bone homeostasis under orthodontic force. However, this phenomenon is not well-elucidated to date, leading to increased treatment difficulties and unsatisfactory treatment outcomes in adult orthodontics. Aiming to provide a comprehensive knowledge and further inspire insightful understanding towards this issue, this review summarizes the current evidence and underlying mechanisms. The age-related abatements in mechanosensing and mechanotransduction in adult cells and periodontal tissue may contribute to retarded and unbalanced bone metabolism, thus hindering alveolar bone reconstruction during orthodontic treatment. To this end, periodontal surgery, physical and chemical cues are being developed to reactivate or rejuvenate the aging periodontium and restore the dynamic equilibrium of orthodontic-mediated alveolar bone metabolism. We anticipate that this review will present a general overview of the role that aging plays in orthodontic alveolar bone metabolism and shed new light on the prospective ways out of the impasse.
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Affiliation(s)
- Yunfan Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Jiale Yan
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Yuning Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Hao Liu
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Bing Han
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China.
| | - Weiran Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing, China
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3
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Shiraishi T, Sato K. Real-time imaging of intracellular deformation dynamics in vibrated adherent cell cultures. Biotechnol Bioeng 2024. [PMID: 38961714 DOI: 10.1002/bit.28793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/21/2024] [Accepted: 06/21/2024] [Indexed: 07/05/2024]
Abstract
Mechanical vibration has been shown to regulate cell proliferation and differentiation in vitro and in vivo. However, the mechanism of its cellular mechanotransduction remains unclear. Although the measurement of intracellular deformation dynamics under mechanical vibration could reveal more detailed mechanisms, corroborating experimental evidence is lacking due to technical difficulties. In this study, we aimed to propose a real-time imaging method of intracellular structure deformation dynamics in vibrated adherent cell cultures and investigate whether organelles such as actin filaments connected to a nucleus and the nucleus itself show deformation under horizontal mechanical vibration. The proposed real-time imaging was achieved by conducting vibration isolation and making design improvements to the experimental setup; using a high-speed and high-sensitivity camera with a global shutter; and reducing image blur using a stroboscope technique. Using our system, we successfully produced the first experimental report on the existence of the deformation of organelles connected to a nucleus and the nucleus itself under horizontal mechanical vibration. Furthermore, the intracellular deformation difference between HeLa and MC3T3-E1 cells measured under horizontal mechanical vibration agrees with the prediction of their intracellular structure based on the mechanical vibration theory. These results provide new findings about the cellular mechanotransduction mechanism under mechanical vibration.
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Affiliation(s)
- Toshihiko Shiraishi
- Division of Artificial Environment and Information, Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Japan
| | - Katsuya Sato
- Division of Artificial Environment and Information, Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Japan
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Luo L, Xu C, Li Y, Hao C, Zheng J, Jin X, Yu J, Zhu Y, Guan Z, Yin Q. The gingival crevicular fluid biomarkers with micropulse vibration device: A pilot study. Heliyon 2024; 10:e31982. [PMID: 38994044 PMCID: PMC11237842 DOI: 10.1016/j.heliyon.2024.e31982] [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: 11/15/2023] [Revised: 05/09/2024] [Accepted: 05/27/2024] [Indexed: 07/13/2024] Open
Abstract
Purpose The aim of this study is to investigate the impact of vibration stimulation on gingival crevicular fluid biomarkers and orthodontic tooth movement. Methods Forty patients were randomly assigned to receive therapy with an intraoral vibration device (n = 20, AcceleDent®) or no treatment (n = 20) at a university orthodontic clinic. The quantity of fluid in the gingival sulcus, biomarkers of each fluid in the gingival sulcus, and orthodontic tooth movement were analyzed at three-time intervals (T1, T2, T3) before and after therapy (T0). Results The results showed that vibration treatment led to higher levels of osteoclast biomarkers (RNAKL, RANKL/OPG) and inflammatory biomarkers (TNF-, IL-11, IL-18) compared to the control group. Additionally, vibration treatment at T1, T2, and T3 significantly improved tooth mobility and GCF volume. The gingival crevicular fluid biomarker levels of the T0, T1, and T2 vibration groups, as well as IL-11, IL-18, TGF-1, and TNF-α vibration groups, were significantly higher than those of the control group at different time points. Conclusion vibration therapy was found to be closely associated with bone-breaking cells and inflammatory factor levels.
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Affiliation(s)
- Liying Luo
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chengling Xu
- Administration Department of Nosocomial Infection, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yao Li
- Nanjing Medical University, Nanjing, China
| | - Chunbo Hao
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiao Zheng
- Department of Anorectal, Affiliated Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - Xiao Jin
- Department of Rheumatology and Immunology, Affiliated Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, 221000, China
| | - Jiani Yu
- Department of Rheumatology and Immunology, Affiliated Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, 221000, China
| | | | - Zhiqiang Guan
- Department of Dermatology, The First People's Hospital of Xuzhou, Xuzhou, Jiangsu, 221002, China
| | - Qin Yin
- Department of Orthopedics, Wuxi Ninth People's Hospital Affiliated to Soochow University, Wuxi, Jiangsu, China
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Pan C, Hao X, Deng X, Lu F, Liu J, Hou W, Xu T. The roles of Hippo/YAP signaling pathway in physical therapy. Cell Death Discov 2024; 10:197. [PMID: 38670949 PMCID: PMC11053014 DOI: 10.1038/s41420-024-01972-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Cellular behavior is regulated by mechanical signals within the cellular microenvironment. Additionally, changes of temperature, blood flow, and muscle contraction also affect cellular state and the development of diseases. In clinical practice, physical therapy techniques such as ultrasound, vibration, exercise, cold therapy, and hyperthermia are commonly employed to alleviate pain and treat diseases. However, the molecular mechanism about how these physiotherapy methods stimulate local tissues and control gene expression remains unknow. Fortunately, the discovery of YAP filled this gap, which has been reported has the ability to sense and convert a wide variety of mechanical signals into cell-specific programs for transcription, thereby offering a fresh perspective on the mechanisms by which physiotherapy treat different diseases. This review examines the involvement of Hippo/YAP signaling pathway in various diseases and its role in different physical therapy approaches on diseases. Furthermore, we explore the potential therapeutic implications of the Hippo/YAP signaling pathway and address the limitations and controversies surrounding its application in physiotherapy.
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Affiliation(s)
- Chunran Pan
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoxia Hao
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaofeng Deng
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fan Lu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiawei Liu
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjie Hou
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Xu
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Horowitz RA, Kurtzman GM. Utilization of Low-Magnitude High-Frequency Vibration (LMHFV) as an Aid in Treating Peri-Implantitis: Case Presentations. J ORAL IMPLANTOL 2023; 49:501-509. [PMID: 36975737 DOI: 10.1563/aaid-joi-d-21-00038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 12/21/2022] [Accepted: 03/09/2023] [Indexed: 03/29/2023]
Abstract
Peri-implantitis is an inflammatory process initiating in the soft tissue and then progressing to the hard tissue surrounding dental implants leading to loss of osseous support and potential loss of the implant if not identified early in the process. This process initiates in the soft tissue, which become inflamed spreading to the underlying bone leading to decreases in bone density with subsequent crestal resorption and thread exposure. In the absence of treatment of the peri-implantitis, the bone loss at the osseous implant interface progresses with inflammatory mediated decrease in the bone density that moves apically, eventually leading to mobility of the implant and its failure. Low-magnitude high-frequency vibration (LMHFV) has been shown to improve bone density, stimulate osteoblastic activity, and arrest progression of peri-implantitis with improvement of the bone or graft around the affected implant with or without surgery as part of the treatment. Two cases are presented using LMHFV to augment treatment.
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Affiliation(s)
- Robert A Horowitz
- Department of Periodontology and Implant Dentistry, NYU School of Dentistry, New York, New York
- Private practice, Scarsdale, New York
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Ni X, Xing X, Deng Y, Li Z. Applications of Stimuli-Responsive Hydrogels in Bone and Cartilage Regeneration. Pharmaceutics 2023; 15:pharmaceutics15030982. [PMID: 36986842 PMCID: PMC10056098 DOI: 10.3390/pharmaceutics15030982] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 03/30/2023] Open
Abstract
Bone and cartilage regeneration is an area of tremendous interest and need in health care. Tissue engineering is a potential strategy for repairing and regenerating bone and cartilage defects. Hydrogels are among the most attractive biomaterials in bone and cartilage tissue engineering, mainly due to their moderate biocompatibility, hydrophilicity, and 3D network structure. Stimuli-responsive hydrogels have been a hot topic in recent decades. They can respond to external or internal stimulation and are used in the controlled delivery of drugs and tissue engineering. This review summarizes current progress in the use of stimuli-responsive hydrogels in bone and cartilage regeneration. The challenges, disadvantages, and future applications of stimuli-responsive hydrogels are briefly described.
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Affiliation(s)
- Xiaoqi Ni
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Xin Xing
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Yunfan Deng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Zhi Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
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Brites-Ferreira A, Taiar R, Cardoso ALBD, De Souza-Santos D, da Costa-Borges PP, Torres-Nunes L, Jaques-Albuquerque LT, Monteiro-Oliveira BB, Boyer FC, da Cunha Sá-Caputo D, Rapin A, Bernardo-Filho M. Therapeutic Approach of Whole-Body Vibration Exercise on Wound Healing in Animal Models: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4925. [PMID: 36981833 PMCID: PMC10048796 DOI: 10.3390/ijerph20064925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Human skin wounds pose a gathering threat to the public health, carrying an immense epidemiologic and financial burden. Pharmacological and non-pharmacological (NP) treatments have been proposed to the management of wound healing. Physical exercise is a strong NP intervention considered for patients in wound healing. Particularly, a type of exercise intervention known as whole-body vibration (WBV) exercise has gained increasing interest. WBV exercise is generated due to the transmission of mechanical vibrations, produced by a vibrating platform, to the body. The aim of this review was to summarize studies in experimental animal models using WBV exercise in wound healing. Searches were performed in EMBASE, PubMed, Scopus and Web of Science including publications on 21 November 2022 using the string "whole body vibration" AND "wound healing" (animal or mice or mouse or rat or rodent). The SYRCLE tool was used to assess the risk of bias (RoB). From 48 studies, five studies met the inclusion criteria. RoB indicated that none of the studies fulfilled all methodological analyzed criteria, resulting in possible biases. The studies were homogeneous, and results suggest beneficial effects of WBV exercise in wound healing, mainly related to enhancing angiogenesis, granulation tissue formation, reducing the blood glucose level and enhancing blood microcirculation, by increasing myofiber growth and rapid re-epithelialization. In conclusion, the various biological effects of the response to the WBV exercise indicate the relevance of this intervention in wound healing in animals. Moreover, considering the translation approach, it is possible to speculate that the beneficial effects of this non-pharmacological therapy might justify clinical trials for wound healing also in humans, after criterion evaluation.
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Affiliation(s)
- Adrielli Brites-Ferreira
- Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20551-030, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Redha Taiar
- MATériaux et Ingénierie Mécanique (MATIM), Université de Reims, 51100 Reims, France
| | - André Luiz Bandeira Dionizio Cardoso
- Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20551-030, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Daysa De Souza-Santos
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
- Programa de Pós-Graduação em Saúde, Medicina Laboratorial e Tecnologia Forense, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Patricia Prado da Costa-Borges
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Luiza Torres-Nunes
- Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20551-030, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Luelia Teles Jaques-Albuquerque
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Bruno Bessa Monteiro-Oliveira
- Programa de Pós-Graduação em Fisiopatologia Clínica e Experimental, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20551-030, Brazil
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Francois Constant Boyer
- Centre Hospitalo-Universitaire de Reims, Département de Médecine Physique et de Réadaptation, Hôpital Sébastopol, Université de Reims Champagne-Ardenne, 51092 Reims, France
- Faculté de Médecine, VieFra, Université de Reims Champagne-Ardenne, 51097 Reims, France
| | - Danúbia da Cunha Sá-Caputo
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
| | - Amandine Rapin
- Centre Hospitalo-Universitaire de Reims, Département de Médecine Physique et de Réadaptation, Hôpital Sébastopol, Université de Reims Champagne-Ardenne, 51092 Reims, France
- Faculté de Médecine, VieFra, Université de Reims Champagne-Ardenne, 51097 Reims, France
| | - Mario Bernardo-Filho
- Laboratório de Vibrações Mecânicas e Práticas Integrativas—LAVIMPI, Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes and Policlínica Universitária Piquet Carneiro, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20950-003, Brazil
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Aimaijiang M, Liu Y, Zhang Z, Qin Q, Liu M, Abulikemu P, Liu L, Zhou Y. LIPUS as a potential strategy for periodontitis treatment: A review of the mechanisms. Front Bioeng Biotechnol 2023; 11:1018012. [PMID: 36911184 PMCID: PMC9992218 DOI: 10.3389/fbioe.2023.1018012] [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: 08/12/2022] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
Periodontitis is a chronic inflammatory condition triggered by oral bacteria. A sustained inflammatory state in periodontitis could eventually destroy the alveolar bone. The key objective of periodontal therapy is to terminate the inflammatory process and reconstruct the periodontal tissues. The traditional Guided tissue regeneration (GTR) procedure has unstable results due to multiple factors such as the inflammatory environment, the immune response caused by the implant, and the operator's technique. Low-intensity pulsed ultrasound (LIPUS), as acoustic energy, transmits the mechanical signals to the target tissue to provide non-invasive physical stimulation. LIPUS has positive effects in promoting bone regeneration, soft-tissue regeneration, inflammation inhibition, and neuromodulation. LIPUS can maintain and regenerate alveolar bone during an inflammatory state by suppressing the expression of inflammatory factors. LIPUS also affects the cellular behavior of periodontal ligament cells (PDLCs), thereby protecting the regenerative potential of bone tissue in an inflammatory state. However, the underlying mechanisms of the LIPUS therapy are still yet to be summarized. The goal of this review is to outline the potential cellular and molecular mechanisms of periodontitis-related LIPUS therapy, as well as to explain how LIPUS manages to transmit mechanical stimulation into the signaling pathway to achieve inflammatory control and periodontal bone regeneration.
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Affiliation(s)
- Maierhaba Aimaijiang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yiping Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Zhiying Zhang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Qiuyue Qin
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Manxuan Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Palizi Abulikemu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Lijun Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yanmin Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
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Bai B, Hao J, Hou M, Wang T, Wu X, Liu Y, Wang Y, Dai C, Hua Y, Ji G, Zhou G. Repair of Large-Scale Rib Defects Based on Steel-Reinforced Concrete-Designed Biomimetic 3D-Printed Scaffolds with Bone-Mineralized Microenvironments. ACS APPLIED MATERIALS & INTERFACES 2022; 14:42388-42401. [PMID: 36094886 DOI: 10.1021/acsami.2c08422] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Tissue engineering technology provides a promising approach for large-scale bone reconstruction in cases of extensive chest wall defects. However, previous studies did not consider meticulous scaffold design specific to large-scale rib regeneration in terms of three-dimensional (3D) shape, proper porous structures, enough mechanical strength, and osteogenic microenvironments. Thus, there is an urgent need to develop an appropriate bone biomimetic scaffold (BBS) to address this problem. In this study, a BBS with controllable 3D morphology, appropriate mechanical properties, good biocompatibility and biodegradability, porous structure suitable for cell loading, and a biomimetic osteogenic inorganic salt (OIS) microenvironment was successfully prepared by integrating computer-aided design, 3D-printing, cast-molding, and freeze-drying technologies. The addition of the OIS in the scaffold substantially promoted ectopic bone regeneration in vivo, which might be attributed to the activation of osteogenic and angiogenic signaling pathways as well as upregulated expression of osteogenic genes. More importantly, dual long rib defects could be successfully repaired and medullary cavity recanalized by the rib-shaped mature cortical bone, which might be mediated by the activation of osteoclast signaling pathways. Thus, this paper presents a reliable BBS and proposes a new strategy for the repair of large-scale bone defects.
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Affiliation(s)
- Baoshuai Bai
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
- Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261000, China
- National Tissue Engineering Center of China, Shanghai 200001, China
| | - Junxiang Hao
- Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261000, China
- National Tissue Engineering Center of China, Shanghai 200001, China
| | - Mengjie Hou
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
- National Tissue Engineering Center of China, Shanghai 200001, China
| | - Tao Wang
- Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261000, China
- National Tissue Engineering Center of China, Shanghai 200001, China
| | - Xiaodi Wu
- Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261000, China
- National Tissue Engineering Center of China, Shanghai 200001, China
| | - Yanhan Liu
- Shanghai JiaoTong University School of Medicine, Shanghai 200240, China
| | - Yiyang Wang
- National Tissue Engineering Center of China, Shanghai 200001, China
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China
| | - Chengxiang Dai
- Cellular Biomedicine Group, Incorporated, No. 85 Faladi Road, Building 3, Pudong New Area, Shanghai 201210, China
| | - Yujie Hua
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
- National Tissue Engineering Center of China, Shanghai 200001, China
- Shanghai JiaoTong University School of Medicine, Shanghai 200240, China
| | - Guangyu Ji
- National Tissue Engineering Center of China, Shanghai 200001, China
- Shanghai JiaoTong University School of Medicine, Shanghai 200240, China
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
| | - Guangdong Zhou
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
- Research Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261000, China
- National Tissue Engineering Center of China, Shanghai 200001, China
- Shanghai JiaoTong University School of Medicine, Shanghai 200240, China
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11
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Sasaki K, Takeshita N, Fukunaga T, Seiryu M, Sakamoto M, Oyanagi T, Maeda T, Takano-Yamamoto T. Vibration accelerates orthodontic tooth movement by inducing osteoclastogenesis via transforming growth factor-β signalling in osteocytes. Eur J Orthod 2022; 44:698-704. [DOI: 10.1093/ejo/cjac036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Background
We previously found the conditions of supplementary vibration that accelerated tooth movement and induced bone resorption in an experimental rat tooth movement model. However, the molecular biological mechanisms underlying supplementary vibration-induced orthodontic tooth movement are not fully understood. Transforming growth factor (TGF)-β upregulates osteoclastogenesis via induction of the receptor activator of nuclear factor kappa B ligand expression, thus TGF-β is considered an essential cytokine to induce bone resorption.
Objectives
The aim of this study is to examine the role of TGF-β during the acceleration of orthodontic tooth movement by supplementary vibration.
Materials and methods
In experimental tooth movement, 15 g of orthodontic force was loaded onto the maxillary right first molar for 28 days. Supplementary vibration (3 g, 70 Hz) was applied to the maxillary first molar for 3 min on days 0, 7, 14, and 21. TGF-β receptor inhibitor SB431542 was injected into the submucosal palatal and buccal areas of the maxillary first molars once every other day. The co-culture of RAW264.7 cells and MLO-Y4 cells was used as an in vitro osteoclastogenesis model.
Results
SB431542 suppressed the acceleration of tooth movement and the increase in the number of osteoclasts by supplementary vibration in our experimental rat tooth movement model. Immunohistochemical analysis showed supplementary vibration increased the number of TGF-β1-positive osteocytes in the alveolar bone on the compression side during the experimental tooth movement. Moreover, vibration-upregulated TGF-β1 in MLO-Y4 cells induced osteoclastogenesis.
Conclusions
Orthodontic tooth movement was accelerated by supplementary vibration through the promotion of the production of TGF-β1 in osteocytes and subsequent osteoclastogenesis.
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Affiliation(s)
- Kiyo Sasaki
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Nobuo Takeshita
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
- Section of Orthodontics and Dentofacial Orthopedics, Faculty of Dental Science, Kyushu University , Fukuoka, Fukuoka , Japan
| | - Tomohiro Fukunaga
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Masahiro Seiryu
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Mayuri Sakamoto
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Toshihito Oyanagi
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Toshihiro Maeda
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Teruko Takano-Yamamoto
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
- Department of Biomaterials and Bioengineering, Faculty of Dental Medicine, Hokkaido University , Sapporo, Hokkaido , Japan
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12
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Frequency-specific sensitivity of 3T3-L1 preadipocytes to low-intensity vibratory stimulus during adipogenesis. In Vitro Cell Dev Biol Anim 2022; 58:452-461. [PMID: 35713773 DOI: 10.1007/s11626-022-00696-5] [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: 03/15/2022] [Accepted: 05/20/2022] [Indexed: 11/05/2022]
Abstract
Adipocyte accumulation in the bone marrow is a severe complication leading to bone defects and reduced regenerative capacity. Application of external mechanical signals to bone marrow cellular niche is a non-invasive and non-pharmaceutical methodology to improve osteogenesis and suppress adipogenesis. However, in the literature, the specific parameters related to the nature of low-intensity vibratory (LIV) signals appear to be arbitrarily selected for amplitude, bouts, and applied frequency. In this study, we performed a LIV frequency sweep ranging from 30 to 120 Hz with increments of 15 Hz applied onto preadipocytes during adipogenesis for 10 d. We addressed the effect of LIV with different frequencies on single-cell density, adipogenic gene expression, lipid morphology, and triglycerides content. Results showed that LIV signals with 75-Hz frequency had the most significant suppressive effect during adipogenesis. Our results support the premise that mechanical-based interventions for suppressing adipogenesis may benefit from optimizing input parameters.
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13
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Influence of 40 Hz and 100 Hz Vibration on SH-SY5Y Cells Growth and Differentiation-A Preliminary Study. Molecules 2022; 27:molecules27103337. [PMID: 35630814 PMCID: PMC9143216 DOI: 10.3390/molecules27103337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 02/05/2023] Open
Abstract
(1) Background: A novel bioreactor platform of neuronal cell cultures using low-magnitude, low-frequency (LMLF) vibrational stimulation was designed to discover vibration influence and mimic the dynamic environment of the in vivo state. To better understand the impact of 40 Hz and 100 Hz vibration on cell differentiation, we join biotechnology and advanced medical technology to design the nano-vibration system. The influence of vibration on the development of nervous tissue on the selected cell line SH-SY5Y (experimental research model in Alzheimer’s and Parkinson’s) was investigated. (2) Methods: The vibration stimulation of cell differentiation and elongation of their neuritis were monitored. We measured how vibrations affect the morphology and differentiation of nerve cells in vitro. (3) Results: The highest average length of neurites was observed in response to the 40 Hz vibration on the collagen surface in the differentiating medium, but cells response did not increase with vibration frequency. Also, vibrations at a frequency of 40 Hz or 100 Hz did not affect the average density of neurites. 100 Hz vibration increased the neurites density significantly with time for cultures on collagen and non-collagen surfaces. The exposure of neuronal cells to 40 Hz and 100 Hz vibration enhanced cell differentiation. The 40 Hz vibration has the best impact on neuronal-like cell growth and differentiation. (4) Conclusions: The data demonstrated that exposure to neuronal cells to 40 Hz and 100 Hz vibration enhanced cell differentiation and proliferation. This positive impact of vibration can be used in tissue engineering and regenerative medicine. It is planned to optimize the processes and study its molecular mechanisms concerning carrying out the research.
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14
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Steppe L, Krüger BT, Tschaffon MEA, Fischer V, Tuckermann J, Ignatius A, Haffner-Luntzer M. Estrogen Receptor α Signaling in Osteoblasts is Required for Mechanotransduction in Bone Fracture Healing. Front Bioeng Biotechnol 2021; 9:782355. [PMID: 34950644 PMCID: PMC8689144 DOI: 10.3389/fbioe.2021.782355] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/24/2021] [Indexed: 12/15/2022] Open
Abstract
Biomechanical stimulation by whole-body low-magnitude high-frequency vibration (LMHFV) has demonstrated to provoke anabolic effects on bone metabolism in both non-osteoporotic and osteoporotic animals and humans. However, preclinical studies reported that vibration improved fracture healing and bone formation in osteoporotic, ovariectomized (OVX) mice representing an estrogen-deficient hormonal status, but impaired bone regeneration in skeletally healthy non-OVX mice. These effects were abolished in general estrogen receptor α (ERα)-knockout (KO) mice. However, it remains to be elucidated which cell types in the fracture callus are targeted by LMHFV during bone healing. To answer this question, we generated osteoblast lineage-specific ERα-KO mice that were subjected to ovariectomy, femur osteotomy and subsequent vibration. We found that the ERα specifically on osteoblastic lineage cells facilitated the vibration-induced effects on fracture healing, because in osteoblast lineage-specific ERα-KO (ERαfl/fl; Runx2Cre) mice the negative effects in non-OVX mice were abolished, whereas the positive effects of vibration in OVX mice were reversed. To gain greater mechanistic insights, the influence of vibration on murine and human osteogenic cells was investigated in vitro by whole genome array analysis and qPCR. The results suggested that particularly canonical WNT and Cox2/PGE2 signaling is involved in the mechanotransduction of LMHFV under estrogen-deficient conditions. In conclusion, our study demonstrates a critical role of the osteoblast lineage-specific ERα in LMHFV-induced effects on fracture healing and provides further insights into the molecular mechanism behind these effects.
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Affiliation(s)
- Lena Steppe
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | - Benjamin Thilo Krüger
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | | | - Verena Fischer
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | - Jan Tuckermann
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Ulm, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | - Melanie Haffner-Luntzer
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
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15
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Hao Z, Xu Z, Wang X, Wang Y, Li H, Chen T, Hu Y, Chen R, Huang K, Chen C, Li J. Biophysical Stimuli as the Fourth Pillar of Bone Tissue Engineering. Front Cell Dev Biol 2021; 9:790050. [PMID: 34858997 PMCID: PMC8630705 DOI: 10.3389/fcell.2021.790050] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 10/26/2021] [Indexed: 01/12/2023] Open
Abstract
The repair of critical bone defects remains challenging worldwide. Three canonical pillars (biomaterial scaffolds, bioactive molecules, and stem cells) of bone tissue engineering have been widely used for bone regeneration in separate or combined strategies, but the delivery of bioactive molecules has several obvious drawbacks. Biophysical stimuli have great potential to become the fourth pillar of bone tissue engineering, which can be categorized into three groups depending on their physical properties: internal structural stimuli, external mechanical stimuli, and electromagnetic stimuli. In this review, distinctive biophysical stimuli coupled with their osteoinductive windows or parameters are initially presented to induce the osteogenesis of mesenchymal stem cells (MSCs). Then, osteoinductive mechanisms of biophysical transduction (a combination of mechanotransduction and electrocoupling) are reviewed to direct the osteogenic differentiation of MSCs. These mechanisms include biophysical sensing, transmission, and regulation. Furthermore, distinctive application strategies of biophysical stimuli are presented for bone tissue engineering, including predesigned biomaterials, tissue-engineered bone grafts, and postoperative biophysical stimuli loading strategies. Finally, ongoing challenges and future perspectives are discussed.
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Affiliation(s)
- Zhuowen Hao
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhenhua Xu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xuan Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yi Wang
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Hanke Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tianhong Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yingkun Hu
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Renxin Chen
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kegang Huang
- Wuhan Institute of Proactive Health Management Science, Wuhan, China
| | - Chao Chen
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Orthopedics, Hefeng Central Hospital, Enshi, China
| | - Jingfeng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, China
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16
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Effects of Extracellular Osteoanabolic Agents on the Endogenous Response of Osteoblastic Cells. Cells 2021; 10:cells10092383. [PMID: 34572032 PMCID: PMC8471159 DOI: 10.3390/cells10092383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 12/27/2022] Open
Abstract
The complex multidimensional skeletal organization can adapt its structure in accordance with external contexts, demonstrating excellent self-renewal capacity. Thus, optimal extracellular environmental properties are critical for bone regeneration and inextricably linked to the mechanical and biological states of bone. It is interesting to note that the microstructure of bone depends not only on genetic determinants (which control the bone remodeling loop through autocrine and paracrine signals) but also, more importantly, on the continuous response of cells to external mechanical cues. In particular, bone cells sense mechanical signals such as shear, tensile, loading and vibration, and once activated, they react by regulating bone anabolism. Although several specific surrounding conditions needed for osteoblast cells to specifically augment bone formation have been empirically discovered, most of the underlying biomechanical cellular processes underneath remain largely unknown. Nevertheless, exogenous stimuli of endogenous osteogenesis can be applied to promote the mineral apposition rate, bone formation, bone mass and bone strength, as well as expediting fracture repair and bone regeneration. The following review summarizes the latest studies related to the proliferation and differentiation of osteoblastic cells, enhanced by mechanical forces or supplemental signaling factors (such as trace metals, nutraceuticals, vitamins and exosomes), providing a thorough overview of the exogenous osteogenic agents which can be exploited to modulate and influence the mechanically induced anabolism of bone. Furthermore, this review aims to discuss the emerging role of extracellular stimuli in skeletal metabolism as well as their potential roles and provide new perspectives for the treatment of bone disorders.
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17
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Madry H, Grässel S, Nöth U, Relja B, Bernstein A, Docheva D, Kauther MD, Katthagen JC, Bader R, van Griensven M, Wirtz DC, Raschke MJ, Huber-Lang M. The future of basic science in orthopaedics and traumatology: Cassandra or Prometheus? Eur J Med Res 2021; 26:56. [PMID: 34127057 PMCID: PMC8200553 DOI: 10.1186/s40001-021-00521-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/20/2021] [Indexed: 12/23/2022] Open
Abstract
Orthopaedic and trauma research is a gateway to better health and mobility, reflecting the ever-increasing and complex burden of musculoskeletal diseases and injuries in Germany, Europe and worldwide. Basic science in orthopaedics and traumatology addresses the complete organism down to the molecule among an entire life of musculoskeletal mobility. Reflecting the complex and intertwined underlying mechanisms, cooperative research in this field has discovered important mechanisms on the molecular, cellular and organ levels, which subsequently led to innovative diagnostic and therapeutic strategies that reduced individual suffering as well as the burden on the society. However, research efforts are considerably threatened by economical pressures on clinicians and scientists, growing obstacles for urgently needed translational animal research, and insufficient funding. Although sophisticated science is feasible and realized in ever more individual research groups, a main goal of the multidisciplinary members of the Basic Science Section of the German Society for Orthopaedics and Trauma Surgery is to generate overarching structures and networks to answer to the growing clinical needs. The future of basic science in orthopaedics and traumatology can only be managed by an even more intensified exchange between basic scientists and clinicians while fuelling enthusiasm of talented junior scientists and clinicians. Prioritized future projects will master a broad range of opportunities from artificial intelligence, gene- and nano-technologies to large-scale, multi-centre clinical studies. Like Prometheus in the ancient Greek myth, transferring the elucidating knowledge from basic science to the real (clinical) world will reduce the individual suffering from orthopaedic diseases and trauma as well as their socio-economic impact.
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Affiliation(s)
- Henning Madry
- Institute of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Homburg, Germany
| | - Susanne Grässel
- Experimental Orthopedics, Department of Orthopedic Surgery, University of Regensburg, Regensburg, Germany
| | - Ulrich Nöth
- Department of Orthopaedics and Trauma Surgery, Evangelisches Waldkrankenhaus Berlin Spandau, Berlin, Germany
| | - Borna Relja
- Experimental Radiology, University Clinic for Radiology and Nuclear Medicine, Otto-Von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Anke Bernstein
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Breisgau, Germany
| | - Denitsa Docheva
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
| | - Max Daniel Kauther
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Essen, Essen, Germany
| | - Jan Christoph Katthagen
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany
| | - Rainer Bader
- Department of Orthopaedics, Research Lab for Biomechanics and Implant Technology, Rostock University Medical Center, Rostock, Germany
| | - Martijn van Griensven
- Department of Cell Biology-Inspired Tissue Engineering, MERLN-Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, The Netherlands
| | - Dieter C Wirtz
- Department of Orthopaedics and Trauma Surgery, University Hopsital Bonn, Bonn, Germany
| | - Michael J Raschke
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany
| | - Markus Huber-Lang
- Institute for Clinical and Experimental Trauma-Immunology (ITI), University Hospital Ulm, Helmholzstr. 8/1, Ulm, Germany.
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