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Mirulla AI, Brogi C, Barone G, Secciani N, Sansom W, Bartalucci L, Ridolfi A, Allotta B, Bragonzoni L. External devices increasing bone quality in animals: A systematic review. Heliyon 2023; 9:e22379. [PMID: 38027551 PMCID: PMC10679491 DOI: 10.1016/j.heliyon.2023.e22379] [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: 04/05/2023] [Revised: 09/28/2023] [Accepted: 11/10/2023] [Indexed: 12/01/2023] Open
Abstract
Background: Osteoporosis can reduce bone quality and increase the risk of fractures. In addition to pharmacological approaches, physical activity, and implanted devices, external devices can also be detected in the literature as a technique to strengthen bones. This type of intervention arises to be particularly promising because it minimizes the invasiveness of therapy. Methods: A systematic review of the technologies involved in such devices was carried out to identify the most fruitful ones in improving bone quality. This review, according to the PRISMA Statement, focuses on studies involving animals, and excludes pharmaceutical approaches. Findings: The animal models and devices used, their settings, interventions, outcomes measured, and consequent effect on bone quality are reported for each detected technology. Ultrasound and laser arose to be the most studied technologies in the literature, even if they have yet to be proved to have a significant effect on bone quality. Interpretation: External devices for bone quality improvement offer a non-invasive approach that causes minimum discomfort to the patient. This review aimed to detect which technologies reported in the literature significantly affect bone quality. The results showed that several technologies are currently used to improve bone quality. However, each study measures different outcomes and uses different measurement methods, device settings, and interventions. This lack of standardization and the reduced number of articles found do not allow for proper quantitative comparisons.
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Affiliation(s)
- Agostino Igor Mirulla
- Department for Life Quality Studies, University of Bologna, Corso d'Augusto 237, 47921, Rimini, Italy
| | - Chiara Brogi
- Department of Industrial Engineering, University of Florence, Via di Santa Marta 3, 50139, Firenze, Italy
| | - Giuseppe Barone
- Department for Life Quality Studies, University of Bologna, Corso d'Augusto 237, 47921, Rimini, Italy
| | - Nicola Secciani
- Department of Industrial Engineering, University of Florence, Via di Santa Marta 3, 50139, Firenze, Italy
| | - William Sansom
- Department for Life Quality Studies, University of Bologna, Corso d'Augusto 237, 47921, Rimini, Italy
| | - Lorenzo Bartalucci
- Department of Industrial Engineering, University of Florence, Via di Santa Marta 3, 50139, Firenze, Italy
| | - Alessandro Ridolfi
- Department of Industrial Engineering, University of Florence, Via di Santa Marta 3, 50139, Firenze, Italy
| | - Benedetto Allotta
- Department of Industrial Engineering, University of Florence, Via di Santa Marta 3, 50139, Firenze, Italy
| | - Laura Bragonzoni
- Department for Life Quality Studies, University of Bologna, Corso d'Augusto 237, 47921, Rimini, Italy
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Wang L, Li S, Xiao H, Zhang T, Liu Y, Hu J, Xu D, Lu H. TGF-β1 derived from macrophages contributes to load-induced tendon-bone healing in the murine rotator cuff repair model by promoting chondrogenesis. Bone Joint Res 2023; 12:219-230. [PMID: 37051812 PMCID: PMC10032229 DOI: 10.1302/2046-3758.123.bjr-2022-0368.r1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
Abstract
It has been established that mechanical stimulation benefits tendon-bone (T-B) healing, and macrophage phenotype can be regulated by mechanical cues; moreover, the interaction between macrophages and mesenchymal stem cells (MSCs) plays a fundamental role in tissue repair. This study aimed to investigate the role of macrophage-mediated MSC chondrogenesis in load-induced T-B healing in depth. C57BL/6 mice rotator cuff (RC) repair model was established to explore the effects of mechanical stimulation on macrophage polarization, transforming growth factor (TGF)-β1 generation, and MSC chondrogenesis within T-B enthesis by immunofluorescence and enzyme-linked immunosorbent assay (ELISA). Macrophage depletion was performed by clodronate liposomes, and T-B healing quality was evaluated by histology and biomechanics. In vitro, bone marrow-derived macrophages (BMDMs) were stretched with CELLOAD-300 load system and macrophage polarization was identified by flow cytometry and quantitative real-time polymerase chain reaction (qRT-PCR). MSC chondrogenic differentiation was measured by histochemical analysis and qRT-PCR. ELISA and qRT-PCR were performed to screen the candidate molecules that mediated the pro-chondrogenic function of mechanical stimulated BMDMs. Mechanical stimulation promoted macrophage M2 polarization in vivo and in vitro. The conditioned media from mechanically stimulated BMDMs (MS-CM) enhanced MSC chondrogenic differentiation, and mechanically stimulated BMDMs generated more TGF-β1. Further, neutralizing TGF-β1 in MS-CM can attenuate its pro-chondrogenic effect. In vivo, mechanical stimulation promoted TGF-β1 generation, MSC chondrogenesis, and T-B healing, which were abolished following macrophage depletion. Macrophages subjected to appropriate mechanical stimulation could polarize toward the M2 phenotype and secrete TGF-β1 to promote MSC chondrogenesis, which subsequently augments T-B healing.
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Affiliation(s)
- Linfeng Wang
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Shengcan Li
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Orthopedics, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Han Xiao
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Tao Zhang
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuqian Liu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jianzhong Hu
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Daqi Xu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hongbin Lu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Zheng Y, Mei L, Li S, Ma T, Xia B, Hao Y, Gao X, Wei B, Wei Y, Jing D, Luo Z, Huang J. Pulsed Electromagnetic Field Alleviates Intervertebral Disc Degeneration by Activating Sirt1-Autophagy Signaling Network. Front Bioeng Biotechnol 2022; 10:853872. [PMID: 35387300 PMCID: PMC8978825 DOI: 10.3389/fbioe.2022.853872] [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: 01/13/2022] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
Intervertebral disc (IVD) degeneration is regarded as a major contributor to low back pain (LBP), causing serious economic burden on individuals and society. Unfortunately, there are limited effective treatment for IVD degeneration. Pulsed electromagnetic field (PEMF) is an economical and effective physical therapy method, with reduced side-effects. It offers certain protection to a number of degenerative diseases. Therefore, understanding the underlying mechanism of PEMF on IVD is important for improving the PEMF therapeutic efficiency. In this study, PEMF up-regulated extracellular matrix (ECM) related genes in degenerated nucleus pulposus (NP) cells. It also increased SIRT1 expression and promoted autophagy in degenerated NP cells. In contrast, the autophagy suppressor 3-methyladenine (3-MA) reversed the beneficial effect of PEMF on ECM production. Similarly, the SIRT1 enzyme activity suppressor EX 527 also inhibited the effect of PEMF on autophagy and ECM production in NP cells, thereby suggesting that PEMF regulated ECM related genes expression through SIRT1-autophagy signaling pathway. Lastly, PEMF significantly reduced IVD degeneration in a rat model of IVD degeneration in vivo. In summary, our study uncovers a critical role of SIRT1-dependent autophagy signaling pathway in ECM protection and thus in the establishment of therapeutic effect of PEMF on IVD degeneration.
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Affiliation(s)
- Yi Zheng
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Liangwei Mei
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Shengyou Li
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Teng Ma
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Bing Xia
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yiming Hao
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xue Gao
- Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Bin Wei
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yitao Wei
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Da Jing
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Zhuojing Luo
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jinghui Huang
- Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Markovic L, Wagner B, Crevenna R. Effects of pulsed electromagnetic field therapy on outcomes associated with osteoarthritis : A systematic review of systematic reviews. Wien Klin Wochenschr 2022; 134:425-433. [PMID: 35362792 PMCID: PMC9213303 DOI: 10.1007/s00508-022-02020-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/23/2022] [Indexed: 11/30/2022]
Abstract
Background Osteoarthritis (OA) is a chronic degenerative disease of multiple joints with a rising prevalence. Pulsed electromagnetic field (PEMF) therapy may provide a cost-effective, noninvasive, and safe therapeutic modality with growing popularity and use in physical medicine and rehabilitation. The purpose of this study was to synthesize the current knowledge on the use of PEMF in OA. Methods A systematic review of systematic reviews was performed. The PubMed, Embase, PEDro and Web of Science databases were searched based on a predetermined protocol. Results Overall, 69 studies were identified. After removing the duplicates and then screening title, abstract and full text, 10 studies were included in the final analysis. All studies focused on knee OA, and four studies also reported on cervical, two on hand, and one on ankle OA. In terms of the level of evidence and bias, most studies were of low or medium quality. Most concurrence was observed for pain reduction, with other endpoints such as stiffness or physical function showing a greater variability in outcomes. Conclusion The PEMF therapy appears to be effective in the short term to relieve pain and improve function in patients with OA. The existing studies used very heterogeneous treatment schemes, mostly with low sample sizes and suboptimal study designs, from which no sufficient proof of efficacy can be derived. A catalogue of measures to improve the quality of future studies has been drawn up.
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Affiliation(s)
- Lovro Markovic
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, Austria
| | - Barbara Wagner
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, Austria
| | - Richard Crevenna
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, Austria
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