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Wu W, Zhao Z, Wang Y, Zhu G, Tan K, Liu M, Li L. Biomechanical Effects of Mechanical Stress on Cells Involved in Fracture Healing. Orthop Surg 2024; 16:811-820. [PMID: 38439564 PMCID: PMC10984830 DOI: 10.1111/os.14026] [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: 10/20/2023] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 03/06/2024] Open
Abstract
Fracture healing is a complex staged repair process in which the mechanical environment plays a key role. Bone tissue is very sensitive to mechanical stress stimuli, and the literature suggests that appropriate stress can promote fracture healing by altering cellular function. However, fracture healing is a coupled process involving multiple cell types that balance and limit each other to ensure proper fracture healing. The main cells that function during different stages of fracture healing are different, and the types and molecular mechanisms of stress required are also different. Most previous studies have used a single mechanical stimulus on individual mechanosensitive cells, and there is no relatively uniform standard for the size and frequency of the mechanical stress. Analyzing the mechanisms underlying the effects of mechanical stimulation on the metabolic regulation of signaling pathways in cells such as in bone marrow mesenchymal stem cells (BMSCs), osteoblasts, chondrocytes, and osteoclasts is currently a challenging research hotspot. Grasping how stress affects the function of different cells at the molecular biology level can contribute to the refined management of fracture healing. Therefore, in this review, we summarize the relevant literature and describe the effects of mechanical stress on cells associated with fracture healing, and their possible signaling pathways, for the treatment of fractures and the further development of regenerative medicine.
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Affiliation(s)
- Weiyong Wu
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Zhihui Zhao
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Yongqing Wang
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Gengbao Zhu
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
| | - Kemeng Tan
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
| | - Meiyue Liu
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Lili Li
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
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Guo X, Lv M, Lin J, Guo J, Lin J, Li S, Sun Y, Zhang X. Latest Progress of LIPUS in Fracture Healing: A Mini-Review. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2024; 43:643-655. [PMID: 38224522 DOI: 10.1002/jum.16403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 12/09/2023] [Accepted: 12/17/2023] [Indexed: 01/17/2024]
Abstract
The use of low-intensity pulsed ultrasound (LIPUS) for promoting fracture healing has been Food and Drug Administration (FDA)-approved since 1994 due to largely its non-thermal effects of sound flow sound radiation force and so on. Numerous clinical and animal studies have shown that LIPUS can accelerate the healing of fresh fractures, nonunions, and delayed unions in pulse mode regardless of LIPUS devices or circumstantial factors. Rare clinical studies show limitations of LIPUS for treating fractures with intramedullary nail fixation or low patient compliance. The biological effect is achieved by regulating various cellular behaviors involving mesenchymal stem/stromal cells (MSCs), osteoblasts, chondrocytes, and osteoclasts and with dose dependency on LIPUS intensity and time. Specifically, LIPUS promotes the osteogenic differentiation of MSCs through the ROCK-Cot/Tpl2-MEK-ERK signaling. Osteoblasts, in turn, respond to the mechanical signal of LIPUS through integrin, angiotensin type 1 (AT1), and PIEZO1 mechano-receptors, leading to the production of inflammatory factors such as COX-2, MCP-1, and MIP-1β fracture repair. LIPUS also induces CCN2 expression in chondrocytes thereby coordinating bone regeneration. Finally, LIPUS suppresses osteoclast differentiation and gene expression by interfering with the ERK/c-Fos/NFATc1 cascade. This mini-review revisits the known effects and mechanisms of LIPUS on bone fracture healing and strengthens the need for further investigation into the underlying mechanisms.
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Affiliation(s)
- Xin Guo
- School of Rehabilitation Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
| | - Maojiang Lv
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
- Zun Yi Medical University, Zhuhai, China
| | - Jie Lin
- Department of Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, China
| | - Jiang Guo
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jianjing Lin
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
| | - Shun Li
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
| | - Yi Sun
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China
| | - Xintao Zhang
- School of Rehabilitation Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, China
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Chen M, Jiang Z, Zou X, You X, Cai Z, Huang J. Advancements in tissue engineering for articular cartilage regeneration. Heliyon 2024; 10:e25400. [PMID: 38352769 PMCID: PMC10862692 DOI: 10.1016/j.heliyon.2024.e25400] [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: 11/03/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 02/16/2024] Open
Abstract
Articular cartilage injury is a prevalent clinical condition resulting from trauma, tumors, infection, osteoarthritis, and other factors. The intrinsic lack of blood vessels, nerves, and lymphatic vessels within cartilage tissue severely limits its self-regenerative capacity after injury. Current treatment options, such as conservative drug therapy and joint replacement, have inherent limitations. Achieving perfect regeneration and repair of articular cartilage remains an ongoing challenge in the field of regenerative medicine. Tissue engineering has emerged as a key focus in articular cartilage injury research, aiming to utilize cultured and expanded tissue cells combined with suitable scaffold materials to create viable, functional tissues. This review article encompasses the latest advancements in seed cells, scaffolds, and cytokines. Additionally, the role of stimulatory factors including cytokines and growth factors, genetic engineering techniques, biophysical stimulation, and bioreactor systems, as well as the role of scaffolding materials including natural scaffolds, synthetic scaffolds, and nanostructured scaffolds in the regeneration of cartilage tissues are discussed. Finally, we also outline the signaling pathways involved in cartilage regeneration. Our review provides valuable insights for scholars to address the complex problem of cartilage regeneration and repair.
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Affiliation(s)
- Maohua Chen
- Department of Plastic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Zhiyuan Jiang
- Department of Plastic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Xiuyuan Zou
- Department of Plastic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Xiaobo You
- Department of Plastic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Zhen Cai
- Department of Plastic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Jinming Huang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
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He YF, Wang XL, Deng SP, Wang YL, Huang QQ, Lin S, Lyu GR. Latest progress in low-intensity pulsed ultrasound for studying exosomes derived from stem/progenitor cells. Front Endocrinol (Lausanne) 2023; 14:1286900. [PMID: 38089611 PMCID: PMC10715436 DOI: 10.3389/fendo.2023.1286900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Stem cells have self-renewal, replication, and multidirectional differentiation potential, while progenitor cells are undifferentiated, pluripotent or specialized stem cells. Stem/progenitor cells secrete various factors, such as cytokines, exosomes, non-coding RNAs, and proteins, and have a wide range of applications in regenerative medicine. However, therapies based on stem cells and their secreted exosomes present limitations, such as insufficient source materials, mature differentiation, and low transplantation success rates, and methods addressing these problems are urgently required. Ultrasound is gaining increasing attention as an emerging technology. Low-intensity pulsed ultrasound (LIPUS) has mechanical, thermal, and cavitation effects and produces vibrational stimuli that can lead to a series of biochemical changes in organs, tissues, and cells, such as the release of extracellular bodies, cytokines, and other signals. These changes can alter the cellular microenvironment and affect biological behaviors, such as cell differentiation and proliferation. Here, we discuss the effects of LIPUS on the biological functions of stem/progenitor cells, exosomes, and non-coding RNAs, alterations involved in related pathways, various emerging applications, and future perspectives. We review the roles and mechanisms of LIPUS in stem/progenitor cells and exosomes with the aim of providing a deeper understanding of LIPUS and promoting research and development in this field.
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Affiliation(s)
- Yi-fang He
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Xia-li Wang
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
- Departments of Medical Imaging, Quanzhou Medical College, Quanzhou, China
| | - Shuang-ping Deng
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yan-li Wang
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Qing-qing Huang
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Shu Lin
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Guo-rong Lyu
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
- Departments of Medical Imaging, Quanzhou Medical College, Quanzhou, China
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Chang H, Wang Q, Liu T, Chen L, Hong J, Liu K, Li Y, Yang N, Han D, Mi X, Li X, Guo X, Li Y, Li Z. A Bibliometric Analysis for Low-Intensity Ultrasound Study Over the Past Three Decades. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2023; 42:2215-2232. [PMID: 37129170 DOI: 10.1002/jum.16245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 03/29/2023] [Accepted: 04/15/2023] [Indexed: 05/03/2023]
Abstract
Low-intensity ultrasound (LI-US) is a non-invasive stimulation technique that has emerged in recent years and has been shown to have positive effects on neuromodulation, fracture healing, inflammation improvement, and metabolic regulation. This study reports the conclusions of a bibliometric analysis of LI-US. Input data for the period between 1995 and 2022, including 7209 related articles in the field of LI-US, were collected from the core library of the Web of Science (WOS) database. Using these data, a set of bibliometric indicators was obtained to gain knowledge on different aspects: global production, research areas, and sources analysis, contributions of countries and institutions, author analysis, citation analysis, and keyword analysis. This study combined the data analysis capabilities provided by the WOS database, making use of two bibliometric software tools: R software and VOS viewer to achieve analysis and data exploration visualization, and predicted the further development trends of LI-US. It turns out that the United States and China are co-leaders while Zhang ZG is the most significant author in LI-US. In the future, the hot spots of LI-US will continue to focus on parameter research, mechanism discussion, safety regulations, and neuromodulation applications.
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Affiliation(s)
- Huixian Chang
- School of Information Science and Engineering, Yanshan University, Qinhuangdao, China
| | - Qian Wang
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Taotao Liu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Lei Chen
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Jingshu Hong
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Kaixi Liu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Yitong Li
- School of Information Science and Engineering, Yanshan University, Qinhuangdao, China
| | - Ning Yang
- School of Information Science and Engineering, Yanshan University, Qinhuangdao, China
| | - Dengyang Han
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Xinning Mi
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Xiaoli Li
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
| | - Xiangyang Guo
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
- Beijing Center of Quality Control and Improvement on Clinical Anesthesia, Beijing, China
| | - Yingwei Li
- School of Information Science and Engineering, Yanshan University, Qinhuangdao, China
| | - Zhengqian Li
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
- Beijing Center of Quality Control and Improvement on Clinical Anesthesia, Beijing, China
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Yang X, Yang L. Current understanding of the genomic abnormities in premature ovarian failure: chance for early diagnosis and management. Front Med (Lausanne) 2023; 10:1194865. [PMID: 37332766 PMCID: PMC10274511 DOI: 10.3389/fmed.2023.1194865] [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: 03/27/2023] [Accepted: 05/17/2023] [Indexed: 06/20/2023] Open
Abstract
Premature ovarian failure (POF) is an insidious cause of female infertility and a devastating condition for women. POF also has a strong familial and heterogeneous genetic background. Management of POF is complicated by the variable etiology and presentation, which are generally characterized by abnormal hormone levels, gene instability and ovarian dysgenesis. To date, abnormal regulation associated with POF has been found in a small number of genes, including autosomal and sex chromosomal genes in folliculogenesis, granulosa cells, and oocytes. Due to the complex genomic contributions, ascertaining the exact causative mechanisms has been challenging in POF, and many pathogenic genomic characteristics have yet to be elucidated. However, emerging research has provided new insights into genomic variation in POF as well as novel etiological factors, pathogenic mechanisms and therapeutic intervention approaches. Meanwhile, scattered studies of transcriptional regulation revealed that ovarian cell function also depends on specific biomarker gene expression, which can influence protein activities, thus causing POF. In this review, we summarized the latest research and issues related to the genomic basis for POF and focused on insights gained from their biological effects and pathogenic mechanisms in POF. The present integrated studies of genomic variants, gene expression and related protein abnormalities were structured to establish the role of etiological genes associated with POF. In addition, we describe the design of some ongoing clinical trials that may suggest safe, feasible and effective approaches to improve the diagnosis and therapy of POF, such as Filgrastim, goserelin, resveratrol, natural plant antitoxin, Kuntai capsule et al. Understanding the candidate genomic characteristics in POF is beneficial for the early diagnosis of POF and provides appropriate methods for prevention and drug treatment. Additional efforts to clarify the POF genetic background are necessary and are beneficial for researchers and clinicians regarding genetic counseling and clinical practice. Taken together, recent genomic explorations have shown great potential to elucidate POF management in women and are stepping from the bench to the bedside.
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Affiliation(s)
- Xu Yang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Yang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
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Ambattu LA, Yeo LY. Sonomechanobiology: Vibrational stimulation of cells and its therapeutic implications. BIOPHYSICS REVIEWS 2023; 4:021301. [PMID: 38504927 PMCID: PMC10903386 DOI: 10.1063/5.0127122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/27/2023] [Indexed: 03/21/2024]
Abstract
All cells possess an innate ability to respond to a range of mechanical stimuli through their complex internal machinery. This comprises various mechanosensory elements that detect these mechanical cues and diverse cytoskeletal structures that transmit the force to different parts of the cell, where they are transcribed into complex transcriptomic and signaling events that determine their response and fate. In contrast to static (or steady) mechanostimuli primarily involving constant-force loading such as compression, tension, and shear (or forces applied at very low oscillatory frequencies (≤ 1 Hz) that essentially render their effects quasi-static), dynamic mechanostimuli comprising more complex vibrational forms (e.g., time-dependent, i.e., periodic, forcing) at higher frequencies are less well understood in comparison. We review the mechanotransductive processes associated with such acoustic forcing, typically at ultrasonic frequencies (> 20 kHz), and discuss the various applications that arise from the cellular responses that are generated, particularly for regenerative therapeutics, such as exosome biogenesis, stem cell differentiation, and endothelial barrier modulation. Finally, we offer perspectives on the possible existence of a universal mechanism that is common across all forms of acoustically driven mechanostimuli that underscores the central role of the cell membrane as the key effector, and calcium as the dominant second messenger, in the mechanotransduction process.
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Affiliation(s)
- Lizebona August Ambattu
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
| | - Leslie Y. Yeo
- Micro/Nanophysics Research Laboratory, School of Engineering, RMIT University, Melbourne VIC 3000, Australia
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Yaylacı S, Kaçaroğlu D, Hürkal Ö, Ulaşlı AM. An enzyme-free technique enables the isolation of a large number of adipose-derived stem cells at the bedside. Sci Rep 2023; 13:8005. [PMID: 37198228 DOI: 10.1038/s41598-023-34915-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 05/09/2023] [Indexed: 05/19/2023] Open
Abstract
Adipose tissue derived stromal cells (ADSCs) play a crucial role in research and applications of regenerative medicine because they can be rapidly isolated in high quantities. Nonetheless, their purity, pluripotency, differentiation capacity, and stem cell marker expression might vary greatly depending on technique and tools used for extraction and harvesting. There are two methods described in the literature for isolating regenerative cells from adipose tissue. The first technique is enzymatic digestion, which utilizes many enzymes to remove stem cells from the tissue they reside in. The second method involves separating the concentrated adipose tissue using non-enzymatic, mechanical separation methods. ADSCs are isolated from the stromal-vascular fraction (SVF) of processed lipoaspirate, which is the lipoaspirate's aqueous portion. The purpose of this work was to evaluate a unique device 'microlyzer' for generating SVF from adipose tissue using a mechanical technique that required minimal intervention. The Microlyzer was examined using tissue samples from ten different patients. The cells that were retrieved were characterized in terms of their cell survival, phenotype, proliferation capacity, and differentiation potential. The number of progenitor cells extracted only from the microlyzed tissue was in comparable amount to the number of progenitor cells acquired by the gold standard enzymatic approach. The cells that were collected from each group exhibit similar levels of viability as well as proliferation rates. In addition, the differentiation potentials of the cells derived from the microlyzed tissue were investigated, and it was discovered that cells isolated through microlyzer entered the differentiation pathways more quickly and displayed a greater level of marker gene expression than cells isolated by enzymatic methods. These findings suggest that microlyzer, particularly in regeneration investigations, will allow quick and high rate cell separation at the bedside.
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Affiliation(s)
- Seher Yaylacı
- Department of Medical Biology, Faculty of Medicine, Lokman Hekim University, Ankara, 06800, Turkey.
| | - Demet Kaçaroğlu
- Department of Medical Biology, Faculty of Medicine, Lokman Hekim University, Ankara, 06800, Turkey
| | - Özgür Hürkal
- Plastic Reconstructive and Aesthetic Surgery, Lokman Hekim Hospital, Ankara, 06800, Turkey
| | - Alper Murat Ulaşlı
- Physical Therapy and Rehabilitation, Faculty of Health Sciences, Lokman Hekim University, Ankara, 06800, Turkey
- Romatem Ankara Physical Therapy and Rehabilitation Center, Ankara, 06700, Turkey
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Phan TN, Fan CH, Yeh CK. Application of Ultrasound to Enhancing Stem Cells Associated Therapies. Stem Cell Rev Rep 2023:10.1007/s12015-023-10546-w. [PMID: 37119453 DOI: 10.1007/s12015-023-10546-w] [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] [Accepted: 04/12/2023] [Indexed: 05/01/2023]
Abstract
Pluripotent stem cell therapy exhibits self-renewal capacity and multi-directional differentiation potential and is considered an important regenerative approach for the treatment of several diseases. However, insufficient cell transplantation efficiency, uncontrollable differentiation, low cell viability, and difficult tracing limit its clinical applications and treatment outcome. Ultrasound (US) has mechanical, cavitation, and thermal effects that can produce different biological effects on organs, tissues, and cells. US can be combined with different US-responsive particles for enhanced physical-chemical stimulation and drug delivery. In the meantime, US also can provide a noninvasive and harmless imaging modality for deep tissue in vivo. An in-depth evaluation of the role and mechanism of action of US in stem cell therapy would enhance understanding of US and encourage research in this field. In this article, we comprehensively review progress in the application of US alone and combined with US-responsive particles for the promotion of proliferation, differentiation, migration, and in vivo detection of stem cells and the potential clinical applications.
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Affiliation(s)
- Thi-Nhan Phan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Ching-Hsiang Fan
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Kuang Yeh
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
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Liu W, Chen W, Hu M, Wang G, Hu Y, He Q, Xu Y, Tan J, Wang H, Huo L. Bioinformatics analysis combined with molecular dynamics simulation validation to elucidate the potential molecular mechanisms of Jianshen Decoction for treatment of osteoporotic fracture. Medicine (Baltimore) 2023; 102:e33610. [PMID: 37083798 PMCID: PMC10118375 DOI: 10.1097/md.0000000000033610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/03/2023] [Indexed: 04/22/2023] Open
Abstract
Osteoporotic fracture (OPF) is a prevalent skeletal disease in the middle-aged and elderly. In clinical practice, Jianshen Decoction (JSD) has been used to treat OPFs. However, the specific effective components and mechanisms of JSD on OPF have not been explored. Therefore, this study used bioinformatics analysis combined with molecular dynamics simulation validation to explore the molecular mechanism of JSD treatment of OPF. Public databases (TCMSP, Batman TCM) were used to find the effective active components and corresponding target proteins of JSD (screening conditions: OB ≥ 30%, drug-likeness ≥ 0.18, half-life ≥ 4). Differentially expressed genes (DEGs) related to OPF lesions were obtained based on the gene expression omnibus database (screening conditions: adjust P value < .01, | log2 FC | ≥ 1.0). The BisoGenet plug-in and the CytoNCA plug-in of Cytoscape were used to derive the potential core target proteins of JSD in the treatment of OPF. The JSD active ingredient target interaction network and the JSD-OPF target protein core network were constructed using the Cytoscape software. In addition, the R language Bioconductor package and clusterProfiler package were used to perform gene ontology (GO)/Kyoto Encylopedia Of Genes And Genome (KEGG) enrichment analysis on core genes to explain the biological functions and signal pathways of core proteins. Finally, molecular docking and molecular dynamics simulations were carried out through PyMOL, AutoDockTools 1.5.6, Vina, LeDock, Discovery Studio (DS) 2019, and other software to verify the binding ability of drug active ingredients and core target proteins. A total of 245 targets and 70 active components were identified. Through protein-protein interaction (PPI) network construction, 39 core targets were selected for further research. GO/KEGG enrichment analysis showed that the DNA-binding transcription factor binding, RNA polymerase II-specific DNA-binding transcription factor binding, MAPK signaling pathway, and ErbB signaling pathway were mainly involved. The results of molecular docking and molecular dynamics simulations supported the good interaction between MYC protein and Quercetin/Stigmasterol. In this study, bioinformatics, molecular docking, and molecular dynamics simulations were used for the first time to clarify the active components, molecular targets, and key biological pathways of JSD in the treatment of OPF, providing a theoretical basis for further research.
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Affiliation(s)
- Weinian Liu
- Guangzhou Orthopedic Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Weijian Chen
- The Fifth Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Mengting Hu
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Guangwei Wang
- Guangzhou Orthopedic Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- The Third Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yuanhao Hu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Qi He
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yidong Xu
- Guangzhou Orthopedic Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Jun Tan
- Guangzhou Orthopedic Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
- Guangdong Provincial People’s Hospital’s Nanhai Hospital, Foshan, Guangdong, China
| | - Haibin Wang
- Department of Orthopaedics of the First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Liwei Huo
- Guangzhou Orthopedic Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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Lin Z, Gao L, Hou N, Zhi X, Zhang Y, Che Z, Deng A. Application of low-intensity pulsed ultrasound on tissue resident stem cells: Potential for ophthalmic diseases. Front Endocrinol (Lausanne) 2023; 14:1153793. [PMID: 37008913 PMCID: PMC10063999 DOI: 10.3389/fendo.2023.1153793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/07/2023] [Indexed: 03/19/2023] Open
Abstract
INTRODUCTION Tissue-resident stem cells (TRSCs) have the ability to self-renew and differentiate throughout an individual's lifespan, and they utilize both mechanisms to maintain homeostasis and regenerate damaged tissues. Several studies suggest that these stem cells can serve as a potential source for cell-replacement-based therapy by promoting differentiation or expansion. In recent years, low-intensity pulsed ultrasound (LIPUS) has been demonstrated to effectively stimulate stem cell proliferation and differentiation, promote tissue regeneration, and inhibit inflammatory responses. AIMS To present a comprehensive overview of current application and mechanism of LIPUS on tissue resident stem cells. METHODS We searched PubMed, Web of Science for articles on the effects of LIPUS on tissue resident stem cells and its application. RESULTS The LIPUS could modulate cellular activities such as cell viability, proliferation and differentiation of tissue resident stem cells and related cells through various cellular signaling pathways. Currently, LIPUS, as the main therapeutic ultrasound, is being widely used in the treatment of preclinical and clinical diseases. CONCLUSION The stem cell research is the hot topic in the biological science, while in recent years, increasing evidence has shown that TRSCs are good targets for LIPUS-regulated regenerative medicine. LIPUS may be a novel and valuable therapeutic approach for the treatment of ophthalmic diseases. How to further improve its efficiency and accuracy, as well as the biological mechanism therein, will be the focus of future research.
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Ling L, Hou J, Wang Y, Shu H, Huang Y. Effects of Low-Intensity Pulsed Ultrasound on the Migration and Homing of Human Amnion-Derived Mesenchymal Stem Cells to Ovaries in Rats With Premature Ovarian Insufficiency. Cell Transplant 2022; 31:9636897221129171. [PMID: 36282038 PMCID: PMC9608022 DOI: 10.1177/09636897221129171] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Premature ovarian insufficiency (POI) can cause multiple sequelae and is currently incurable. Mesenchymal stem cell (MSC) transplantation might provide an effective treatment method for POI. However, the clinical application of systemic MSC transplantation is limited by the low efficiency of cell homing to target tissue in vivo, including systemic MSC transplantation for POI treatment. Thus, exploration of methods to promote MSC homing is necessary. This study was to investigate the effects of low-intensity pulsed ultrasound (LIPUS) on the migration and homing of transplanted human amnion–derived MSCs (hAD-MSCs) to ovaries in rats with chemotherapy-induced POI. For LIPUS treatment, hAD-MSCs were exposed to LIPUS or sham irradiation. Chemokine receptor expressions in hAD-MSCs were detected by polymerase chain reaction (PCR), Western blot, and immunofluorescence assays. hAD-MSC migration was detected by wound healing and transwell migration assays. Cyclophosphamide-induced POI rat models were established to evaluate the effects of LIPUS on the homing of systemically transplanted hAD-MSCs to chemotherapy-induced POI ovaries in vivo. We found that hAD-MSCs expressed chemokine receptors. The LIPUS promoted the expression of chemokine receptors, especially CXCR4, in hAD-MSCs. SDF-1 induced hAD-MSC migration. The LIPUS promoted hAD-MSC migration induced by SDF-1 through SDF-1/CXCR4 axis. SDF-1 levels significantly increased in ovaries induced by chemotherapy in POI rats. Pretreating hAD-MSCs with LIPUS increased the number of hAD-MSCs homing to ovaries in rats with chemotherapy-induced POI to some extent. However, the difference was not significant. Both hAD-MSC and LIPUS-pretreated hAD-MSC transplantation reduced ovarian injuries and improved ovarian function in rats with chemotherapy-induced POI. CXCR4 antagonist significantly reduced the number of hAD-MSCs- and LIPUS-pretreated hAD-MSCs homing to POI ovaries, and further reduced their efficacy in POI treatment. According to these findings, pretreating MSCs with LIPUS before transplantation might provide a novel, convenient, and safe technique to explore for improving the homing of systemically transplanted MSCs to target tissue.
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Affiliation(s)
- Li Ling
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China,Li Ling, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing 400010, China.
| | - Jiying Hou
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yan Wang
- State Key Laboratory of Ultrasound Engineering in Medicine Co-founded by Chongqing and the Ministry of Science and Technology, Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Han Shu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yubin Huang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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13
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Liang C, Liu X, Yan Y, Sun R, Li J, Geng W. Effectiveness and Mechanisms of Low-Intensity Pulsed Ultrasound on Osseointegration of Dental Implants and Biological Functions of Bone Marrow Mesenchymal Stem Cells. Stem Cells Int 2022; 2022:7397335. [PMID: 36199628 PMCID: PMC9529500 DOI: 10.1155/2022/7397335] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/09/2022] [Indexed: 11/27/2022] Open
Abstract
Dental implant restoration is the preferred choice for patients with dentition defects or edentulous patients, and obtaining stable osseointegration is the determining factor for successful implant healing. The risk of implant failure during the healing stage is still an urgent problem in clinical practice due to differences in bone quality at different implant sites and the impact of some systemic diseases on bone tissue metabolism. Low-intensity pulsed ultrasound (LIPUS) is a noninvasive physical intervention method widely recognized in the treatment of bone fracture and joint damage repair. Moreover, many studies indicated that LIPUS could effectively promote the osseointegration of dental implants and improve the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). This review is aimed at investigating the research progress on the use of LIPUS in dental implant medicine from three aspects: (1) discuss the promoting effects of LIPUS on osseointegration and peri-implant bone regeneration, (2) summarize the effects and associated mechanisms of LIPUS on the biological functions of BMSCs, and (3) introduce the application and prospects of LIPUS in the clinical work of dental implantation. Although many challenges need to be overcome in the future, LIPUS is bound to be an efficient and convenient therapeutic method to improve the dental implantation success rate and expand clinical implant indications.
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Affiliation(s)
- Chao Liang
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Xiu Liu
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Yuwei Yan
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Rongxin Sun
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Jun Li
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Wei Geng
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
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14
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Xia P, Shi Y, Wang X, Li X. Advances in the application of low-intensity pulsed ultrasound to mesenchymal stem cells. Stem Cell Res Ther 2022; 13:214. [PMID: 35619156 PMCID: PMC9137131 DOI: 10.1186/s13287-022-02887-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/03/2022] [Indexed: 11/10/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are stem cells that exhibit self-renewal capacity and multi-directional differentiation potential. They can be extracted from the bone marrow and umbilical cord, as well as adipose, amnion, and other tissues. They are widely used in tissue engineering and are currently considered an important source of cells in the field of regenerative medicine. Since certain limitations, such as an insufficient cell source, mature differentiation, and low transplantation efficiency, are still associated with MSCs, researchers have currently focused on improving the efficacy of MSCs. Low-intensity pulsed ultrasound (LIPUS) has mechanical, cavitation, and thermal effects that can produce different biological effects on organs, tissues, and cells. It can be used for fracture treatment, cartilage repair, and stem cell applications. An in-depth study of the role and mechanism of action of LIPUS in MSC treatment would promote our understanding of LIPUS and promote research in this field. In this article, we have reviewed the progress in research on the use of LIPUS with various MSCs and comprehensively discussed the progress in the use of LIPUS for promoting the proliferation, differentiation, and migration of MSCs, as well as its future prospects.
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Affiliation(s)
- Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
| | - Yi Shi
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
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15
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Xia P, Wang Q, Song J, Wang X, Wang X, Lin Q, Cheng K, Chen A, Li X. Low-Intensity Pulsed Ultrasound Enhances the Efficacy of Bone Marrow-Derived MSCs in Osteoarthritis Cartilage Repair by Regulating Autophagy-Mediated Exosome Release. Cartilage 2022; 13:19476035221093060. [PMID: 35438034 PMCID: PMC9137322 DOI: 10.1177/19476035221093060] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The present study explored whether low-intensity pulsed ultrasound (LIPUS) enhances the therapeutic efficacy of mesenchymal stem cells (MSCs) in osteoarthritis (OA) cartilage repair by regulating autophagy-mediated exosome release. DESIGN MSCs were isolated from the rat bone marrow and treated with rapamycin, 3-methyladenine, or LIPUS. The mechanism of the LIPUS-stimulated exosome release by MSCs was analyzed by inhibiting autophagy. In addition, the MSCs were co-cultured with OA chondrocytes and stimulated by LIPUS, with or without exosome release inhibitor intervention. The exosome release was detected through transmission electron microscopy (TEM), nanoparticle tracking analysis, and biomarker expression analysis. Autophagy was analyzed through TEM, autophagy-related gene expression analysis, and immunofluorescence analysis in vitro. Furthermore, a rat knee OA model was constructed and treated with MSCs, GW4869, and LIPUS. The cartilage repair was assessed through histopathological analysis and extracellular matrix protein expression analysis. RESULTS The in vitro results indicated that LIPUS promoted MSC exosome release by activating autophagy. The in vivo results demonstrated that LIPUS significantly enhanced the positive effects of MSCs on OA cartilage. These effects were significantly blocked by GW4869, an inhibitor of exosome release. CONCLUSIONS LIPUS can enhance the therapeutic efficacy of MSCs in OA cartilage repair, and the underlying mechanism is related to the increase in autophagy-mediated exosome release.
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Affiliation(s)
- Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Qi Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Jiulong Song
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xinwei Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Qiang Lin
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Kai Cheng
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Anliang Chen
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China,Xueping Li, Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing 210012, China.
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Wang Y, Li J, Zhou J, Qiu Y, Song J. Low-intensity pulsed ultrasound enhances bone marrow-derived stem cells-based periodontal regenerative therapies. ULTRASONICS 2022; 121:106678. [PMID: 35051693 DOI: 10.1016/j.ultras.2021.106678] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 12/17/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Alveolar bone loss is one of the most common consequence for periodontitis, which is a major obstacle in periodontal regeneration. Bone marrow stromal cells (BMSCs) have shown significant promise in the treatment of various disease, which also contribute to the natural bone repair process. Low-intensity pulsed ultrasound (LIPUS) is a therapeutic ultrasound used in our previous studies to promotes alveolar bone regeneration. In addition, LIPUS was found to be a promising method to enhance mesenchymal stromal cell-based therapies. In the current study, we have investigated the effects of LIPUS combined with BMSCs therapies on BMSCs homing and its potential to promote alveolar bone regeneration. METHODS BMSCs were isolated from rat and characterized by multilineages differentiation assay. Then these cells were labeled with luciferase and green fluorescent protein (GFP) by lentivirus in vitro. Periodontal bone defect was made on the mesial area of the maxillary first molar in rats. A total of 1 × 106 Luc-GFP labeled BMSCs were injected into rat tail vein. Bioluminescence imaging was utilized to track BMSCs in vivo. The rats were sacrificed eight weeks after surgery and the samples were harvested. Micro-computed tomography (Micro-CT) was performed to evaluate alveolar bone regeneration. Paraffin sections were made and subject to hematoxylin-eosin staining, masson staining and immunohistochemistry staining. RESULTS BMSCs display a fibroblast-like morphology and can differentiate into adipocytes or osteoblasts under appropriate condition. The transfected BMSCs are strongly positive for GFP express. Bioluminescence imaging showed that most of BMSCs were trapped in the lung. A small portion BMSCs were homed to the alveolar bone defect area in BMSCs group, while more cells were observed in BMSCs/LIPUS group compare to other groups on day 3 and 7. Micro-CT results showed that BMSCs/LIPUS group resulted in more new bone formation than other groups. Immunohistochemical results showed higher expression of COL-I and osteopontin in BMSCs/LIPUS group compared with the other groups. CONCLUSIONS These results suggested that LIPUS can enhance BMSCs-based periodontal alveolar bone regeneration. This study provides new insights into how LIPUS might provide therapeutic benefits by promoting BMSCs homing.
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Affiliation(s)
- Yunji Wang
- College of Stomatology, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Jie Li
- College of Stomatology, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Jianpin Zhou
- College of Stomatology, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Ye Qiu
- College of Stomatology, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China.
| | - Jinlin Song
- College of Stomatology, Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China.
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17
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Palanisamy P, Alam M, Li S, Chow SKH, Zheng Y. Low-Intensity Pulsed Ultrasound Stimulation for Bone Fractures Healing: A Review. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2022; 41:547-563. [PMID: 33949710 PMCID: PMC9290611 DOI: 10.1002/jum.15738] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/04/2021] [Accepted: 04/18/2021] [Indexed: 05/17/2023]
Abstract
Low-intensity pulsed ultrasound (LIPUS) is a developing technology, which has been proven to improve fracture healing process with minimal thermal effects. This noninvasive treatment accelerates bone formation through various molecular, biological, and biomechanical interactions with tissues and cells. Although LIPUS treatment has shown beneficial effects on different bone fracture locations, only very few studies have examined its effects on deeper bones. This study provides an overview on therapeutic ultrasound for fractured bones, possible mechanisms of action, clinical evidences, current limitations, and its future prospects.
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Affiliation(s)
- Poornima Palanisamy
- Department of Biomedical EngineeringThe Hong Kong Polytechnic UniversityHong KongS.A.RChina
| | - Monzurul Alam
- Department of Biomedical EngineeringThe Hong Kong Polytechnic UniversityHong KongS.A.RChina
| | - Shuai Li
- Department of Biomedical EngineeringThe Hong Kong Polytechnic UniversityHong KongS.A.RChina
| | - Simon K. H. Chow
- Department of Orthopaedics and TraumatologyThe Chinese University of Hong KongHong KongS.A.RChina
| | - Yong‐Ping Zheng
- Department of Biomedical EngineeringThe Hong Kong Polytechnic UniversityHong KongS.A.RChina
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18
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Ling L, Hou J, Liu D, Tang D, Zhang Y, Zeng Q, Pan H, Fan L. Important role of the SDF-1/CXCR4 axis in the homing of systemically transplanted human amnion-derived mesenchymal stem cells (hAD-MSCs) to ovaries in rats with chemotherapy-induced premature ovarian insufficiency (POI). Stem Cell Res Ther 2022; 13:79. [PMID: 35197118 PMCID: PMC8867754 DOI: 10.1186/s13287-022-02759-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/02/2021] [Indexed: 12/13/2022] Open
Abstract
Background Chemotherapy can induce premature ovarian insufficiency (POI). POI causes multiple sequelae and is currently incurable. As shown in our previous studies, systemically transplanted human amnion-derived mesenchymal stem cells (hAD-MSCs) home to ovaries with chemotherapy-induced POI and subsequently reduce ovarian injury and improve ovarian function in rats with POI. However, the cellular mechanisms that direct the migration and homing of hAD-MSCs to ovaries with chemotherapy-induced POI are incompletely understood. This study investigated the role of the SDF-1/CXCR4 axis in the migration and homing of systemically transplanted hAD-MSCs to ovaries with chemotherapy-induced POI and its relevant downstream signalling pathways. Methods CXCR4 expression in hAD-MSCs was assessed using Western blotting and immunofluorescence staining. hAD-MSC migration was tested using Transwell migration assays. SDF-1 levels were detected using ELISA. Seventy-two female SD rats were randomly divided into the control, POI, hAD-MSCs and hAD-MSCs + AMD3100 groups. Cyclophosphamide was used to establish rat POI models. For inhibitor treatment, hAD-MSCs were pretreated with AMD3100 before transplantation. PKH26-labeled hAD-MSCs were injected into the tail vein of POI rats 24 h after chemotherapy. After hAD-MSC transplantation, the homing of hAD-MSCs to ovaries and ovarian function and pathological changes were examined. We further investigated the molecular mechanisms by detecting the PI3K/Akt and ERK1/2 signalling pathways. Results hAD-MSCs expressed CXCR4. SDF-1 induced hAD-MSC migration in vitro. SDF-1 levels in ovaries and serum were significantly increased in rats with chemotherapy-induced POI, and ovaries with POI induced the homing of hAD-MSCs expressing CXCR4. Blocking the SDF-1/CXCR4 axis with AMD3100 significantly reduced the number of hAD-MSCs homing to ovaries with POI and further reduced their efficacy in POI treatment. The binding of SDF-1 to CXCR4 activated the PI3K/Akt signalling pathway, and LY294002 significantly inhibited hAD-MSC migration induced by SDF-1 in vitro. Moreover, inhibition of the PI3K/Akt signalling pathway significantly reduced the number of systemically transplanted hAD-MSCs homing to chemotherapy-induced ovaries in rats with POI. Conclusions SDF-1/CXCR4 axis partially mediates the migration and homing of systemically transplanted hAD-MSCs to the ovaries of rats with chemotherapy-induced POI, and the PI3K/Akt signalling pathway might be involved in the migration and homing of hAD-MSCs mediated by the SDF-1/CXCR4 axis.
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Affiliation(s)
- Li Ling
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China.
| | - Jiying Hou
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China
| | - Dandan Liu
- Department of Otolaryngology, The Ninth People's Hospital of Chongqing, Chongqing, 400700, China
| | - Dongyuan Tang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China
| | - Yanqin Zhang
- Department of Obstetrics and Gynecology, Wushan County People's Hospital of Chongqing, Chongqing, 404700, China
| | - Qianru Zeng
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China
| | - Heng Pan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China
| | - Ling Fan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, No. 74, Linjiang Road, Chongqing, 400010, China
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Sun Y, Wan B, Wang R, Zhang B, Luo P, Wang D, Nie JJ, Chen D, Wu X. Mechanical Stimulation on Mesenchymal Stem Cells and Surrounding Microenvironments in Bone Regeneration: Regulations and Applications. Front Cell Dev Biol 2022; 10:808303. [PMID: 35127684 PMCID: PMC8815029 DOI: 10.3389/fcell.2022.808303] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/03/2022] [Indexed: 01/15/2023] Open
Abstract
Treatment of bone defects remains a challenge in the clinic. Artificial bone grafts are the most promising alternative to autologous bone grafting. However, one of the limiting factors of artificial bone grafts is the limited means of regulating stem cell differentiation during bone regeneration. As a weight-bearing organ, bone is in a continuous mechanical environment. External mechanical force, a type of biophysical stimulation, plays an essential role in bone regeneration. It is generally accepted that osteocytes are mechanosensitive cells in bone. However, recent studies have shown that mesenchymal stem cells (MSCs) can also respond to mechanical signals. This article reviews the mechanotransduction mechanisms of MSCs, the regulation of mechanical stimulation on microenvironments surrounding MSCs by modulating the immune response, angiogenesis and osteogenesis, and the application of mechanical stimulation of MSCs in bone regeneration. The review provides a deep and extensive understanding of mechanical stimulation mechanisms, and prospects feasible designs of biomaterials for bone regeneration and the potential clinical applications of mechanical stimulation.
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Affiliation(s)
- Yuyang Sun
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Ben Wan
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam (VU), Amsterdam Movement Science (AMS), Amsterdam, Netherlands
| | - Renxian Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Bowen Zhang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Peng Luo
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Diaodiao Wang
- Department of Joint Surgery, Peking University Ninth School of Clinical Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Jing-Jun Nie
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- *Correspondence: Jing-Jun Nie, ; Dafu Chen,
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- *Correspondence: Jing-Jun Nie, ; Dafu Chen,
| | - Xinbao Wu
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
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Sang F, Xu J, Chen Z, Liu Q, Jiang W. Low-Intensity Pulsed Ultrasound Alleviates Osteoarthritis Condition Through Focal Adhesion Kinase-Mediated Chondrocyte Proliferation and Differentiation. Cartilage 2021; 13:196S-203S. [PMID: 32281401 PMCID: PMC8804760 DOI: 10.1177/1947603520912322] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE Osteoarthritis (OA) is a prevalent chronic multifactorial degenerative disease characterized by joint tissue inflammation, osteophyte formation, subchondral bone sclerosis, and articular cartilage degradation. Low-intensity pulsed ultrasound (LIPUS), a noninvasive ultrasound technique, is widely used to attenuate diseases. The aim of this study was to investigate whether LIPUS can ameliorate OA, and to explore its underlying molecular mechanism. DESIGN The OA model was established in a C57BL/6 mouse by the anterior cruciate ligament transaction method. OA was assessed using arthritis scoring and weightbearing parameters. Chondrocyte proliferation was detected by a CCK-8 assay. The levels of interleukin-6 (IL-6), IL-8 and tumor necrosis factor-α (TNF-α) in synovial fluid of the mice were measured by enzyme-linked immunosorbent assay. RESULTS In OA mice, the arthritis score and weightbearing abilities were dramatically improved by LIPUS treatment. LIPUS also remarkably declined the levels of inflammatory cytokines IL-6, IL-8, and TNF-α in synovial fluid of OA mice. Moreover, LIPUS promoted chondrocyte proliferation and differentiation by activating focal adhesion kinase (FAK) signaling. Inhibition of FAK significantly blocked LIPUS-mediated cell proliferation and differentiation in vitro, as well as inflammation condition in OA mice. CONCLUSION LIPUS alleviates OA through promoting chondrocytes proliferation and differentiation by activating FAK, which could act as an intervening target for OA treatment.
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Affiliation(s)
- Fei Sang
- Department of Orthopaedics,
Lianshui County People’s Hospital, The Affiliated Lianshui County People’s
Hospital of Kangda College of Nanjing Medical University, Huai’an, Jiangsu,
China
| | - Jin Xu
- Department of Orthopaedics, The
Affiliated Huai’an Hospital of Xuzhou Medical University and The Second
People’s Hospital of Huai’an, Huai’an, Jiangsu, China
| | - Zheng Chen
- Department of Emergency Surgery,
The Affiliated Huai’an No. 1 People’s Hospital of Nanjing Medical
University, Huai’an, Jiangsu, China
| | - Qingbai Liu
- Department of Orthopaedics,
Lianshui County People’s Hospital, The Affiliated Lianshui County People’s
Hospital of Kangda College of Nanjing Medical University, Huai’an, Jiangsu,
China
| | - Wenchao Jiang
- Department of Orthopaedics, Wujin
Hospital Affiliated with Jiangsu University, the Wujin Clinical College of
Xuzhou Medical University, Changzhou, Jiangsu, China,Wenchao Jiang, Department of
Orthopedics, Wujin People’s Hospital, No. 2 of Wujin North Road,
Changzhou, Jiangsu 213017, China.
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21
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Chow SKH, Cui C, Cheng KYK, Chim YN, Wang J, Wong CHW, Ng KW, Wong RMY, Cheung WH. Acute Inflammatory Response in Osteoporotic Fracture Healing Augmented with Mechanical Stimulation is Regulated In Vivo through the p38-MAPK Pathway. Int J Mol Sci 2021; 22:ijms22168720. [PMID: 34445423 PMCID: PMC8395718 DOI: 10.3390/ijms22168720] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 01/01/2023] Open
Abstract
Low-magnitude high-frequency vibration (LMHFV) has previously been reported to modulate the acute inflammatory response of ovariectomy-induced osteoporotic fracture healing. However, the underlying mechanisms are not clear. In the present study, we investigated the effect of LMHFV on the inflammatory response and the role of the p38 MAPK mechanical signaling pathway in macrophages during the healing process. A closed femoral fracture SD rat model was used. In vivo results showed that LMHFV enhanced activation of the p38 MAPK pathway at the fracture site. The acute inflammatory response, expression of inflammatory cytokines, and callus formation were suppressed in vivo by p38 MAPK inhibition. However, LMHFV did not show direct in vitro enhancement effects on the polarization of RAW264.7 macrophage from the M1 to M2 phenotype, but instead promoted macrophage enlargement and transformation to dendritic monocytes. The present study demonstrated that p38 MAPK modulated the enhancement effects of mechanical stimulation in vivo only. LMHFV may not have exerted its enhancement effects directly on macrophage, but the exact mechanism may have taken a different pathway that requires further investigation in the various subsets of immune cells.
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Affiliation(s)
- Simon Kwoon Ho Chow
- Correspondence: (S.K.H.C.); (W.H.C.); Tel.: +852-3505-1559 (S.K.H.C.); +852-3505-2715 (W.H.C.)
| | | | | | | | | | | | | | | | - Wing Hoi Cheung
- Correspondence: (S.K.H.C.); (W.H.C.); Tel.: +852-3505-1559 (S.K.H.C.); +852-3505-2715 (W.H.C.)
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Razavi M, Rezaee M, Telichko A, Inan H, Dahl J, Demirci U, Thakor AS. The Paracrine Function of Mesenchymal Stem Cells in Response to Pulsed Focused Ultrasound. Cell Transplant 2021; 29:963689720965478. [PMID: 33028105 PMCID: PMC7784560 DOI: 10.1177/0963689720965478] [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] [Indexed: 12/18/2022] Open
Abstract
We studied the paracrine function of mesenchymal stem cells (MSCs) derived from various sources in response to pulsed focused ultrasound (pFUS). Human adipose tissue (AD), bone marrow (BM), and umbilical cord (UC) derived MSCs were exposed to pFUS at two intensities: 0.45 W/cm2 ISATA (310 kPa PNP) and 1.3 W/cm2 ISATA (540 kPa PNP). Following pFUS, the viability and proliferation of MSCs were assessed using a hemocytometer and confocal microscopy, and their secreted cytokine profile determined using a multiplex ELISA. Our findings showed that pFUS can stimulate the production of immunomodulatory, anti-inflammatory, and angiogenic cytokines from MSCs which was dependent on both the source of MSC being studied and the acoustic intensity employed. These important findings set the foundation for additional mechanistic and validation studies using this novel noninvasive and clinically translatable technology for modulating MSC biology.
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Affiliation(s)
- Mehdi Razavi
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA.,BiionixTM (Bionic Materials, Implants & Interfaces) Cluster, Department of Internal Medicine, College of Medicine, 6243University of Central Florida, Orlando, FL, USA.,Department of Materials Science and Engineering, 6243University of Central Florida, Orlando, FL, USA
| | - Melika Rezaee
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
| | - Arsenii Telichko
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
| | - Hakan Inan
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
| | - Jeremy Dahl
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
| | - Utkan Demirci
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
| | - Avnesh S Thakor
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, 6429Stanford University, Palo Alto, CA, USA
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Janus 3D printed dynamic scaffolds for nanovibration-driven bone regeneration. Nat Commun 2021; 12:1031. [PMID: 33589620 PMCID: PMC7884435 DOI: 10.1038/s41467-021-21325-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 01/13/2021] [Indexed: 12/12/2022] Open
Abstract
The application of physical stimuli to cell cultures has shown potential to modulate multiple cellular functions including migration, differentiation and survival. However, the relevance of these in vitro models to future potential extrapolation in vivo depends on whether stimuli can be applied “externally”, without invasive procedures. Here, we report on the fabrication and exploitation of dynamic additive-manufactured Janus scaffolds that are activated on-command via external application of ultrasounds, resulting in a mechanical nanovibration that is transmitted to the surrounding cells. Janus scaffolds were spontaneously formed via phase-segregation of biodegradable polycaprolactone (PCL) and polylactide (PLA) blends during the manufacturing process and behave as ultrasound transducers (acoustic to mechanical) where the PLA and PCL phases represent the active and backing materials, respectively. Remote stimulation of Janus scaffolds led to enhanced cell proliferation, matrix deposition and osteogenic differentiation of seeded human bone marrow derived stromal cells (hBMSCs) via formation and activation of voltage-gated calcium ion channels. Fabrication of dynamic, reversible and biocompatible scaffolds with non-invasive external triggers has so far been limited. Here, the authors report on the creation of 3D printed scaffolds with Janus structure that produce nanovibrations when exposed to ultrasound, promoting bone regeneration.
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Yang Q, Zhang R, Tang P, Sun Y, Johnson C, Saredy J, Wu S, Wang J, Lu Y, Saaoud F, Shao Y, Drummer C, Xu K, Yu D, Li R, Ge S, Jiang X, Wang H, Yang X. Ultrasound May Suppress Tumor Growth, Inhibit Inflammation, and Establish Tolerogenesis by Remodeling Innatome via Pathways of ROS, Immune Checkpoints, Cytokines, and Trained Immunity/Tolerance. J Immunol Res 2021; 2021:6664453. [PMID: 33628851 PMCID: PMC7889351 DOI: 10.1155/2021/6664453] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/27/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The immune mechanisms underlying low-intensity ultrasound- (LIUS-) mediated suppression of inflammation and tumorigenesis remain poorly determined. METHODS We used microarray datasets from the NCBI GEO DataSet repository and conducted comprehensive data-mining analyses, where we examined the gene expression of 1376 innate immune regulators (innatome genes (IGs) in cells treated with LIUS. RESULTS We made the following findings: (1) LIUS upregulates proinflammatory IGs and downregulates metastasis genes in cancer cells, and LIUS upregulates adaptive immunity pathways but inhibits danger-sensing and inflammation pathways and promote tolerogenic differentiation in bone marrow (BM) cells. (2) LIUS upregulates IGs encoded for proteins localized in the cytoplasm, extracellular space, and others, but downregulates IG proteins localized in nuclear and plasma membranes, and LIUS downregulates phosphatases. (3) LIUS-modulated IGs act partially via several important pathways of reactive oxygen species (ROS), reverse signaling of immune checkpoint receptors B7-H4 and BTNL2, inflammatory cytokines, and static or oscillatory shear stress and heat generation, among which ROS is a dominant mechanism. (4) LIUS upregulates trained immunity enzymes in lymphoma cells and downregulates trained immunity enzymes and presumably establishes trained tolerance in BM cells. (5) LIUS modulates chromatin long-range interactions to differentially regulate IGs expression in cancer cells and noncancer cells. CONCLUSIONS Our analysis suggests novel molecular mechanisms that are utilized by LIUS to induce tumor suppression and inflammation inhibition. Our findings may lead to development of new treatment protocols for cancers and chronic inflammation.
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Affiliation(s)
- Qian Yang
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Department of Ultrasonic Diagnosis and Treatment Center, XiAn International Medical Center Hospital, XiAn, China
- Heart Center, St. Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Ruijing Zhang
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Department of Nephrology, Second Hospital of Shanxi Medical University, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China
| | - Peng Tang
- Department of Orthopedics, Beijing Charity Hospital of China Rehabilitation Research Center, Beijing, China
| | - Yu Sun
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Candice Johnson
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Jason Saredy
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Susu Wu
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Jiwei Wang
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Yifan Lu
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Fatma Saaoud
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Ying Shao
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Charles Drummer
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Keman Xu
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Daohai Yu
- Department of Clinical Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Rongshan Li
- Department of Nephrology, Second Hospital of Shanxi Medical University, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China
| | - Shuping Ge
- Heart Center, St. Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Xiaohua Jiang
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Hong Wang
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Xiaofeng Yang
- Centers for Cardiovascular Research and Inflammation, Translational, & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
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Emelianov VY, Preobrazhenskaia EV, Nikolaev NS. Evaluating the Effectiveness of Biophysical Methods of Osteogenesis Stimulation: Review. TRAUMATOLOGY AND ORTHOPEDICS OF RUSSIA 2021; 27:86-96. [DOI: https:/doi.org/10.21823/2311-2905-2021-27-1-86-96] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Background. Stimulation of osteogenesis (SO) by biophysical methods has been widely used in practice to accelerate healing or stimulate the healing of fractures with non-unions, since the middle of the XIX century. SO can be carried out by direct current electrostimulation, or indirectly by low-intensity pulsed ultrasound, capacitive electrical coupling stimulation, and pulsed electromagnetic field stimulation. SO simulates natural physiological processes: in the case of electrical stimulation, it changes the electromagnetic potential of damaged cell tissues in a manner similar to normal healing processes, or in the case of low-intensity pulsed ultrasound, it produces weak mechanical effects on the fracture area. SO increases the expression of factors and signaling pathways responsible for tissue regeneration and bone mineralization and ultimately accelerates bone union.The purpose of this review was to present the most up-to-date data from laboratory and clinical studies of the effectiveness of SO.Material and Methods. The results of laboratory studies and the final results of metaanalyses for each of the four SO methods published from 1959 to 2020 in the PubMed, EMBASE, and eLibrary databases are reviewed.Conclusion. The use of SO effectively stimulates the healing of fractures with the correct location of the sensors, compliance with the intensity and time of exposure, as well as the timing of use for certain types of fractures. In case of non-union or delayed union of fractures, spondylodesis, arthrodesis, preference should be given to non-invasive methods of SO. Invasive direct current stimulation can be useful for non-union of long bones, spondylodesis with the risk of developing pseudoarthrosis.
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26
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Emelianov VY, Preobrazhenskaia EV, Nikolaev NS. Evaluating the Effectiveness of Biophysical Methods of Osteogenesis Stimulation: Review. TRAUMATOLOGY AND ORTHOPEDICS OF RUSSIA 2021; 27:86-96. [DOI: 10.21823/2311-2905-2021-27-1-86-96] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Background. Stimulation of osteogenesis (SO) by biophysical methods has been widely used in practice to accelerate healing or stimulate the healing of fractures with non-unions, since the middle of the XIX century. SO can be carried out by direct current electrostimulation, or indirectly by low-intensity pulsed ultrasound, capacitive electrical coupling stimulation, and pulsed electromagnetic field stimulation. SO simulates natural physiological processes: in the case of electrical stimulation, it changes the electromagnetic potential of damaged cell tissues in a manner similar to normal healing processes, or in the case of low-intensity pulsed ultrasound, it produces weak mechanical effects on the fracture area. SO increases the expression of factors and signaling pathways responsible for tissue regeneration and bone mineralization and ultimately accelerates bone union.The purpose of this review was to present the most up-to-date data from laboratory and clinical studies of the effectiveness of SO.Material and Methods. The results of laboratory studies and the final results of metaanalyses for each of the four SO methods published from 1959 to 2020 in the PubMed, EMBASE, and eLibrary databases are reviewed.Conclusion. The use of SO effectively stimulates the healing of fractures with the correct location of the sensors, compliance with the intensity and time of exposure, as well as the timing of use for certain types of fractures. In case of non-union or delayed union of fractures, spondylodesis, arthrodesis, preference should be given to non-invasive methods of SO. Invasive direct current stimulation can be useful for non-union of long bones, spondylodesis with the risk of developing pseudoarthrosis.
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27
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Xia P, Wang X, Wang Q, Wang X, Lin Q, Cheng K, Li X. Low-Intensity Pulsed Ultrasound Promotes Autophagy-Mediated Migration of Mesenchymal Stem Cells and Cartilage Repair. Cell Transplant 2021; 30:963689720986142. [PMID: 33412895 PMCID: PMC7797574 DOI: 10.1177/0963689720986142] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem cell (MSC) migration is promoted by low-intensity pulsed ultrasound (LIPUS), but its mechanism is unclear. Since autophagy is known to regulate cell migration, our study aimed to investigate if LIPUS promotes the migration of MSCs via autophagy regulation. We also aimed to investigate the effects of intra-articular injection of MSCs following LIPUS stimulation on osteoarthritis (OA) cartilage. For the in vitro study, rat bone marrow-derived MSCs were treated with an autophagy inhibitor or agonist, and then they were stimulated by LIPUS. Migration of MSCs was detected by transwell migration assays, and stromal cell-derived factor-1 (SDF-1) and C-X-C chemokine receptor type 4 (CXCR4) protein levels were quantified. For the in vivo study, a rat knee OA model was generated and treated with LIPUS after an intra-articular injection of MSCs with autophagy inhibitor added. The cartilage repair was assessed by histopathological analysis and extracellular matrix protein expression. The in vitro results suggest that LIPUS increased the expression of SDF-1 and CXCR4, and it promoted MSC migration. These effects were inhibited and enhanced by autophagy inhibitor and agonist, respectively. The in vivo results demonstrate that LIPUS significantly enhanced the cartilage repair effects of MSCs on OA, but these effects were blocked by autophagy inhibitor. Our results suggest that the migration of MSCs was enhanced by LIPUS through the activation autophagy, and LIPUS improved the protective effect of MSCs on OA cartilage via autophagy regulation.
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Affiliation(s)
- Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Xinwei Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Qi Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Qiang Lin
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Kai Cheng
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, P. R. China
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Vahedi P, Hosainzadegan H, Brazvan B, Roshangar L, Shafaei H, Salimnejad R. Treatment of cartilage defects by Low-intensity pulsed ultrasound in a sheep model. Cell Tissue Bank 2020; 22:369-378. [DOI: 10.1007/s10561-020-09880-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 11/01/2020] [Indexed: 12/24/2022]
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de Lucas B, Pérez LM, Bernal A, Gálvez BG. Ultrasound Therapy: Experiences and Perspectives for Regenerative Medicine. Genes (Basel) 2020; 11:genes11091086. [PMID: 32957737 PMCID: PMC7563547 DOI: 10.3390/genes11091086] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/13/2020] [Accepted: 09/16/2020] [Indexed: 12/15/2022] Open
Abstract
Ultrasound has emerged as a novel tool for clinical applications, particularly in the context of regenerative medicine. Due to its unique physico-mechanical properties, low-intensity ultrasound (LIUS) has been approved for accelerated fracture healing and for the treatment of established non-union, but its utility has extended beyond tissue engineering to other fields, including cell regeneration. Cells and tissues respond to acoustic ultrasound by switching on genetic repair circuits, triggering a cascade of molecular signals that promote cell proliferation, adhesion, migration, differentiation, and extracellular matrix production. LIUS also induces angiogenesis and tissue regeneration and has anti-inflammatory and anti-degenerative effects. Accordingly, the potential application of ultrasound for tissue repair/regeneration has been tested in several studies as a stand-alone treatment and, more recently, as an adjunct to cell-based therapies. For example, ultrasound has been proposed to improve stem cell homing to target tissues due to its ability to create a transitional and local gradient of cytokines and chemokines. In this review, we provide an overview of the many applications of ultrasound in clinical medicine, with a focus on its value as an adjunct to cell-based interventions. Finally, we discuss the various preclinical and clinical studies that have investigated the potential of ultrasound for regenerative medicine.
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Affiliation(s)
- Beatriz de Lucas
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (B.d.L.); (L.M.P.)
| | - Laura M. Pérez
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (B.d.L.); (L.M.P.)
| | - Aurora Bernal
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain;
| | - Beatriz G. Gálvez
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (B.d.L.); (L.M.P.)
- Correspondence:
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30
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Ye D, Chen C, Wang Q, Zhang Q, Li S, Liu H. Short-wave enhances mesenchymal stem cell recruitment in fracture healing by increasing HIF-1 in callus. Stem Cell Res Ther 2020; 11:382. [PMID: 32894200 PMCID: PMC7487968 DOI: 10.1186/s13287-020-01888-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 01/14/2023] Open
Abstract
Background As a type of high-frequency electrotherapy, a short-wave can promote the fracture healing process; yet, its underlying therapeutic mechanisms remain unclear. Purpose To observe the effect of Short-Wave therapy on mesenchymal stem cell (MSC) homing and relative mechanisms associated with fracture healing. Materials and methods For in vivo study, the effect of Short-Wave therapy to fracture healing was examined in a stabilized femur fracture model of 40 SD rats. Radiography was used to analyze the morphology and microarchitecture of the callus. Additionally, fluorescence assays were used to analyze the GFP-labeled MSC homing after treatment in 20 nude mice with a femoral fracture. For in vitro study, osteoblast from newborn rats simulated fracture site was first irradiated by the Short-Wave; siRNA targeting HIF-1 was used to investigate the role of HIF-1. Osteoblast culture medium was then collected as chemotaxis content of MSC, and the migration of MSC from rats was evaluated using wound healing assay and trans-well chamber test. The expression of HIF-1 and its related factors were quantified by q RT-PCR, ELISA, and Western blot. Results Our in vivo experiment indicated that Short-Wave therapy could promote MSC migration, increase local and serum HIF-1 and SDF-1 levels, induce changes in callus formation, and improve callus microarchitecture and mechanical properties, thus speeding up the healing process of the fracture site. Moreover, the in vitro results further indicated that Short-Wave therapy upregulated HIF-1 and SDF-1 expression in osteoblast and its cultured medium, as well as the expression of CXCR-4, β-catenin, F-actin, and phosphorylation levels of FAK in MSC. On the other hand, the inhibition of HIF-1α was significantly restrained by the inhibition of HIF-1α in osteoblast, and it partially inhibited the migration of MSC. Conclusions These results suggested that Short-Wave therapy could increase HIF-1 in callus, which is one of the crucial mechanisms of chemotaxis MSC homing in fracture healing.
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Affiliation(s)
- Dongmei Ye
- Department of Rehabilitation, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China.
| | - Chen Chen
- Department of Anatomy, Medical College of Dalian University, Dalian, China
| | - Qiwen Wang
- Department of Rehabilitation, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China.,Department of Rehabilitation, The people's Hospital of Longhua District, Shenzhen, China
| | - Qi Zhang
- Department of Rehabilitation, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
| | - Sha Li
- Department of Rehabilitation, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
| | - Hongwei Liu
- Department of Rehabilitation, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
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Abstract
A balanced inflammatory response is important for successful fracture healing. The response of osteoporotic fracture healing is deranged and an altered inflammatory response can be one underlying cause. The objectives of this review were to compare the inflammatory responses between normal and osteoporotic fractures and to examine the potential effects on different healing outcomes. A systematic literature search was conducted with relevant keywords in PubMed, Embase, and Web of Science independently. Original preclinical studies and clinical studies involving the investigation of inflammatory response in fracture healing in ovariectomized (OVX) animals or osteoporotic/elderly patients with available full text and written in English were included. In total, 14 articles were selected. Various inflammatory factors were reported; of those tumour necrosis factor-α (TNF-α) and interleukin (IL)-6 are two commonly studied markers. Preclinical studies showed that OVX animals generally demonstrated higher systemic inflammatory response and poorer healing outcomes compared to normal controls (SHAM). However, it is inconclusive if the local inflammatory response is higher or lower in OVX animals. As for clinical studies, they mainly examine the temporal changes of the inflammatory stage or perform comparison between osteoporotic/fragility fracture patients and normal subjects without fracture. Our review of these studies emphasizes the lack of understanding that inflammation plays in the altered fracture healing response of osteoporotic/elderly patients. Taken together, it is clear that additional studies, preclinical and clinical, are required to dissect the regulatory role of inflammatory response in osteoporotic fracture healing. Cite this article: Bone Joint Res 2020;9(7):368–385.
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Affiliation(s)
- Simon K-H Chow
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China
| | - Yu-Ning Chim
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Jin-Yu Wang
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Ronald M-Y Wong
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Victoria M-H Choy
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong
| | - Wing-Hoi Cheung
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China
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Sperelakis I, Tsitoura E, Koutoulaki C, Mastrodimou S, Tosounidis TH, Spandidos DA, Antoniou KM, Kontakis G. Influence of reaming intramedullary nailing on MSC population after surgical treatment of patients with long bone fracture. Mol Med Rep 2020; 22:2521-2527. [PMID: 32705190 PMCID: PMC7411410 DOI: 10.3892/mmr.2020.11320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/09/2020] [Indexed: 11/22/2022] Open
Abstract
Reamed intramedullary nailing (RIN) is a surgical method of choice for treatment of diaphyseal fractures. This procedure affects the biological environment of bone tissue locally and systemically. This study investigated the influence of RIN on mesenchymal stem cells (MSCs) in patients with long bone fractures. The axis of C-X-C motif chemokine receptor 4 (CXCR4)/stromal cell-derived factor 1 (SDF-1) was selected since it is considered as major pathway for MSC homing and migration. Iliac crest bone marrow (IC-BM) samples and blood samples were collected at two different time points. One sample was collected before the RIN (BN) and the other immediately after RIN (AN). BM-MSCs were cultured and RT-qPCR was performed for CXCR4 mRNA levels and ELISA for the SDF-1 sera levels. The experimental study revealed that there was a correlation between the increase of SDF-1 levels in peripheral blood and a decrease in the levels of CXCR4 in MSCs in the IC-BM following RIN. The levels of SDF-1 showed a significant increase in the sera of patients after RIN. In conclusion, the present study is the first providing evidence of the effects of RIN on MSC population via the CXCR4/SDF-1 axis. The levels of serum SDF-1 factor were elevated after RIN while increased levels of SDF-1 in peripheral blood were inversely correlated with the mRNA levels of CXCR4 on BM-MSCs after RIN. Therefore, this study contributes to enlighten the systematic effects of RIN on the population of MSCs at a cellular level.
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Affiliation(s)
- Ioannis Sperelakis
- Department of Orthopedics and Traumatology, University of Crete School of Medicine, 71003 Heraklion, Greece
| | - Eliza Tsitoura
- Department of Respiratory Medicine, University General Hospital of Heraklion, Laboratory of Molecular and Cellular Pneumonology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Chara Koutoulaki
- Department of Respiratory Medicine, University General Hospital of Heraklion, Laboratory of Molecular and Cellular Pneumonology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Semeli Mastrodimou
- Department of Respiratory Medicine, University General Hospital of Heraklion, Laboratory of Molecular and Cellular Pneumonology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Theodoros H Tosounidis
- Department of Orthopedics and Traumatology, University of Crete School of Medicine, 71003 Heraklion, Greece
| | - Demetrios A Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Katerina M Antoniou
- Department of Respiratory Medicine, University General Hospital of Heraklion, Laboratory of Molecular and Cellular Pneumonology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - George Kontakis
- Department of Orthopedics and Traumatology, University of Crete School of Medicine, 71003 Heraklion, Greece
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Wang J, Cui C, Chim YN, Yao H, Shi L, Xu J, Wang J, Wong RMY, Leung KS, Chow SKH, Cheung WH. Vibration and β-hydroxy-β-methylbutyrate treatment suppresses intramuscular fat infiltration and adipogenic differentiation in sarcopenic mice. J Cachexia Sarcopenia Muscle 2020; 11:564-577. [PMID: 31994349 PMCID: PMC7113529 DOI: 10.1002/jcsm.12535] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 11/26/2019] [Accepted: 12/02/2019] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Sarcopenia is an aging-induced deterioration of skeletal muscle mass and function. Low-magnitude high-frequency vibration (LMHFV) was shown to improve muscle functions and β-hydroxy-β-methylbutyrate (HMB) to increase muscle mass and strength. Muscle-derived stem cells (MDSCs) are progenitor cells important for muscle regeneration. We hypothesized that LMHFV and HMB could retard sarcopenia by reducing fat infiltration through inhibiting adipogenesis in MDSCs. METHODS Senescence-accelerated mouse P8 male mice were randomized into control (CTL), HMB, LMHFV (VIB), and combined (COM) groups. Interventions started at age of month 7 and assessed at 1, 2, and 3 months post-intervention by densitometry, histology, and functional tests. In vitro, MDSCs isolated from gastrocnemius of senescence-accelerated mouse P8 mice were characterized, randomized into CTL, VIB, HMB, and COM groups, and assessed by oil red O staining, mRNA, and protein expression. RESULTS At 2 months post-intervention, percentage lean mass of HMB, VIB, and COM groups were significantly higher than CTL group. Twitch, tetanic, and specific tetanic forces of COM group were higher, while specific twitch force of both VIB and COM groups were higher. Grip strength of HMB, VIB, and COM groups were higher. Histologically, both VIB and COM groups presented lower oil red O area than CTL group. Type I muscle fibre in CTL group was higher than HMB, VIB, and COM groups. MDSC were detected in situ by immunofluorescence stain with stem cell antigen-1 signals confirmed with higher β-catenin expression in the COM group. The observations were also confirmed in vitro, MDSCs in the HMB, VIB, and COM groups presented lower adipogenesis vs. the CTL group. β-Catenin mRNA and protein expressions were lower in the CTL group while their relationship was further validated through β-catenin knock-down approach. CONCLUSIONS Our results showed that combined LMHFV and HMB interventions enhanced muscle strength and decreased percentage fat mass and intramuscular fat infiltration as compared with either treatment alone. Additive effect of LMHFV and HMB was demonstrated in β-catenin expression than either treatment in MDSCs and altered cell fate from adipogenesis to myogenesis, leading to inhibition of intramuscular lipid accumulation. Wnt/β-catenin signalling pathway was found to be the predominant regulatory mechanism through which LMHFV and HMB combined treatment suppressed MDSCs adipogenesis.
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Affiliation(s)
- Jinyu Wang
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Can Cui
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Yu Ning Chim
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Hao Yao
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Liu Shi
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Jiankun Xu
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Jiali Wang
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Ronald Man Yeung Wong
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Kwok-Sui Leung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China
| | - Simon Kwoon-Ho Chow
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, The People's Republic of China
| | - Wing Hoi Cheung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, The People's Republic of China.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, The People's Republic of China
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34
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Chen Y, Cai Q, Pan J, Zhang D, Wang J, Guan R, Tian W, Lei H, Niu Y, Guo Y, Quan C, Xin Z. Role and mechanism of micro-energy treatment in regenerative medicine. Transl Androl Urol 2020; 9:690-701. [PMID: 32420176 PMCID: PMC7215051 DOI: 10.21037/tau.2020.02.25] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
With the continuous integration and intersection of life sciences, engineering and physics, the application for micro-energy in the basic and clinical research of regenerative medicine (RM) has made great progress. As a key target in the field of RM, stem cells have been widely used in the studies of regeneration. Recent studies have shown that micro-energy can regulate the biological behavior of stem cells to repair and regenerate injured organs and tissues by mechanical stimulation with appropriate intensity. Integrins-mediated related signaling pathways may play important roles in transducing mechanical force about micro-energy. However, the complete mechanism of mechanical force transduction needs further research. The purpose of this article is to review the biological effect and mechanism of micro-energy treatment on stem cells, to provide reference for further research.
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Affiliation(s)
- Yegang Chen
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Qiliang Cai
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Jiancheng Pan
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Dingrong Zhang
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Jiang Wang
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Ruili Guan
- Molecular Biology Laboratory of Andrology Center, Peking University First Hospital, Peking University, Beijing 100034, China
| | - Wenjie Tian
- Department of Urology, Seoul St. Mary's Hospital, the Catholic University of Korea, Jongno-gu, Seoul, Korea
| | - Hongen Lei
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100034, China
| | - Yuanjie Niu
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Yinglu Guo
- Department of Urology, Peking University First Hospital and the Institute of Urology, Peking University, Beijing 100034, China
| | - Changyi Quan
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China
| | - Zhongcheng Xin
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Urology, Tianjin 300211, China.,Molecular Biology Laboratory of Andrology Center, Peking University First Hospital, Peking University, Beijing 100034, China
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35
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Liu DD, Ullah M, Concepcion W, Dahl JJ, Thakor AS. The role of ultrasound in enhancing mesenchymal stromal cell-based therapies. Stem Cells Transl Med 2020; 9:850-866. [PMID: 32157802 PMCID: PMC7381806 DOI: 10.1002/sctm.19-0391] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 02/17/2020] [Indexed: 12/18/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) have been a popular platform for cell‐based therapy in regenerative medicine due to their propensity to home to damaged tissue and act as a repository of regenerative molecules that can promote tissue repair and exert immunomodulatory effects. Accordingly, a great deal of research has gone into optimizing MSC homing and increasing their secretion of therapeutic molecules. A variety of methods have been used to these ends, but one emerging technique gaining significant interest is the use of ultrasound. Sound waves exert mechanical pressure on cells, activating mechano‐transduction pathways and altering gene expression. Ultrasound has been applied both to cultured MSCs to modulate self‐renewal and differentiation, and to tissues‐of‐interest to make them a more attractive target for MSC homing. Here, we review the various applications of ultrasound to MSC‐based therapies, including low‐intensity pulsed ultrasound, pulsed focused ultrasound, and extracorporeal shockwave therapy, as well as the use of adjunctive therapies such as microbubbles. At a molecular level, it seems that ultrasound transiently generates a local gradient of cytokines, growth factors, and adhesion molecules that facilitate MSC homing. However, the molecular mechanisms underlying these methods are far from fully elucidated and may differ depending on the ultrasound parameters. We thus put forth minimal criteria for ultrasound parameter reporting, in order to ensure reproducibility of studies in the field. A deeper understanding of these mechanisms will enhance our ability to optimize this promising therapy to assist MSC‐based approaches in regenerative medicine.
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Affiliation(s)
- Daniel D Liu
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, California
| | - Mujib Ullah
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, California
| | - Waldo Concepcion
- Department of Surgery, Stanford University, Palo Alto, California
| | - Jeremy J Dahl
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, California
| | - Avnesh S Thakor
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, California
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36
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Song L, Constanthin PE, Sun T, Li X, Xia Z, An L, Li F. Long-term Production of Glycogen and Hepatic-Derived, Cell-Invasion-Promoting Chemokines by Ultrasound-Driven Hepatic-Differentiated Human Bone Marrow Mesenchymal Stem Cells. Radiat Res 2020; 193:394-405. [PMID: 32126187 DOI: 10.1667/rr15421.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The current treatment for liver failure is restricted to surgical liver transplantation, which is technically complicated, limited by the shortage of available organs and presents major risks to the patient. Bone marrow mesenchymal stem cells (BMSCs) represent promising sources of hepatocyte-like cells for cell transplantation treatment. However, a safe and efficient induction method for their differentiation remains to be defined. Here we further optimized an effective technique by combining high-dose treatment with hepatocyte growth factor (HGF) and ultrasound stimulation. The optimized ultrasound parameter (1.0 W/cm2 intensity, 1 MHz frequency, 20% duty cycle, 100 Hz pulse repetition frequency, 60-s irradiation duration, triple times in three days) combined with different HGF doses (10, 20 and 50 ng/ml) was used to treat BMSCs. The results showed that the specific hepatic markers, including α-fetoprotein (αFP/AFP), cytokeratin 18 (CK18), albumin (ALB) and glycogen, were increased in a dose-dependent manner. Their concentration was then further increased when ultrasound irradiation was administered (P < 0.05), as indicated by PCR, Western blot and immunofluorescence staining as well as a glycogen synthesis test. Furthermore, analysis of the hepatocyte-derived chemokines showed elevated stromal cell-derived factor 1alpha (SDF-1α) and C-X-C chemokine receptor type 4 (CXCR4) after HGF treatment. Again, concentrations of those chemokines were further increased by ultrasound radiation (P < 0.05). The observed increased effect was sustained for 21 days. To summarize, we further defined the optimal combination of HGF and ultrasound treatment to increase the differentiation and chemotaxis of BMSCs in a safe, sustained and efficient manner. These findings provide a new perspective for stem cell orientation in the field of tissue engineering.
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Affiliation(s)
- Lin Song
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Paul E Constanthin
- Department of Fundamental Neurosciences, University of Geneva, Geneva, 1211, Switzerland.,Neurosurgery Department, Hôpitaux Universitaires de Genève, Geneva, 1205, Switzerland
| | - Ting Sun
- Department of Medical Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Xin Li
- Department of Medical Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Zhen Xia
- Department of Medical Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Lijia An
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Fan Li
- Department of Medical Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
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37
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Zhang N, Chim YN, Wang J, Wong RMY, Chow SKH, Cheung WH. Impaired Fracture Healing in Sarco-Osteoporotic Mice Can Be Rescued by Vibration Treatment Through Myostatin Suppression. J Orthop Res 2020; 38:277-287. [PMID: 31535727 DOI: 10.1002/jor.24477] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 09/13/2019] [Indexed: 02/04/2023]
Abstract
Sarcopenia is highly prevalent in fragility fracture patients and is associated with delayed healing. In this study, we investigated the effect of low-magnitude high-frequency vibration (LMHFV) on osteoporotic fracture with sarcopenia and the potential role of myostatin. Osteoporotic fractures created in sarcopenic SAMP8, non-sarcopenic SAMR1 were randomized to control or LMHFV (SAMP8, SAMR1, SAMP8-V, or SAMR1-V) groups. Healing and myostatin expression were evaluated at 2, 4, and 6 weeks post-fracture. In vitro, conditioned-media were collected from myofibers isolated from aged and young SAMP8 or C2C12 myoblasts with or without LMHFV. Osteoblastic MC3T3-E1 under osteogenic differentiation were treated with plain or conditioned-medium (±myostatin propeptide). LMHFV significantly enhanced callus formation was in non-sarcopenic SAMR1 mice; but the enhancement effect was not significant in SAMP8 mice at week 2. Myostatin expressions in callus and biceps femoris of SAMP8 group were significantly higher all groups with significant negative correlation with callus size (R2 = 0.7256; p = 0.0004). Mechanical properties (week 4) and callus remodeling (week 6) were inferior in SAMP8 versus SAMR1 and were significantly enhanced by LMHFV. Alkaline Phosphatase (ALP) and Runx2 expression of MC3T3-E1 was lower in aged myofiber compared with young, but upregulated by LMHFV or myostatin inhibition; also confirmed with C2C12. LMHFV enhanced early callus formation, microarchitecture, callus remodeling and mechanical properties of fracture healing in both SAMP8 and SAMR1; however, more effective in non-sarcopenic SAMR1 mice. Impaired fracture healing in sarcopenic SAMP8 mice is attributed by elevated myostatin expression in callus and muscle, which correlated negatively with callus formation. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:277-287, 2020.
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Affiliation(s)
- Ning Zhang
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
| | - Yu Ning Chim
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
| | - Jinyu Wang
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
| | - Ronald Man Yeung Wong
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China
| | - Simon K H Chow
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System Research Base, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, People's Republic of China
| | - Wing-Hoi Cheung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, 5/F Lui Che Woo Clinical Sciences Building, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, People's Republic of China.,The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System Research Base, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, People's Republic of China
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38
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Li Y, Wu M, Zhang Z, Xia J, Wang Z, Chen X, Xiao X, Lu F, Dong Z. Application of External Force Regulates the Migration and Differentiation of Adipose-Derived Stem/Progenitor Cells by Altering Tissue Stiffness. Tissue Eng Part A 2019; 25:1614-1622. [PMID: 30909828 DOI: 10.1089/ten.tea.2019.0046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Large soft-tissue defects are challenging to reconstruct surgically. Expansion of soft tissue using an external volume expansion (EVE) device is a noninvasive method to improve such reconstruction; however, the underlying mechanism is unclear. In this study, we created fat flaps in Sprague-Dawley rats, applied an external force of 3 or 6 kPa using an EVE device, and investigated the migration and differentiation of adipose-derived stem/progenitor cells (ASCs). In addition, we performed finite element analysis to explore the stiffness of adipose tissue. An external force of 3 kPa promoted the migration and adipogenic differentiation of ASCs. By comparison, an external force of 6 kPa had a larger effect on migration of ASCs, but a smaller effect on adipogenic differentiation of ASCs. External force affected adipose tissue stiffness. In conclusion, external force generated by an EVE device increases the stiffness of adipose tissue, which influences the migration and differentiation of ASCs. The size of the external force can be altered according to the tissue stiffness required at particular time points to promote long-term adipose tissue regeneration. Impact Statement Stem cell therapy in clinic mostly requires the addition of exogenous stem cells, therefore the safety and controllability is always defective. In this study, the external force of external volume expansion regulates adipose-derived stem/progenitor cells (ASCs) migration and differentiation through tissue stiffness. Using tissue engineering without exogenous ASCs can promote long-term adipose tissue regeneration. The findings of this study provide theoretical support for clinical tissue engineering applications and improvements in stem cell therapy.
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Affiliation(s)
- Ye Li
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Mengfan Wu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Ziang Zhang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Jing Xia
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Zijue Wang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Xinyao Chen
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Xiuyun Xiao
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Feng Lu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Ziqing Dong
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, P.R. China
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Talukdar Y, Rashkow JT, Patel S, Lalwani G, Bastidas J, Khan S, Sitharaman B. Nanofilm generated non-pharmacological anabolic bone stimulus. J Biomed Mater Res A 2019; 108:178-186. [PMID: 31581364 DOI: 10.1002/jbm.a.36807] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 04/10/2019] [Accepted: 09/19/2019] [Indexed: 12/17/2022]
Abstract
Stimulus-responsive nanomaterials have mainly been employed to ablate or destroy tissues or to facilitate controlled release of drugs or biologics. Herein, we demonstrate the potential of stimulus-responsive nanomaterials to promote tissue regeneration via a non-pharmacological and noninvasive strategy. Thin nanofilms of an optically-absorbing organic dye or nanoparticle (single-walled graphene nanoribbons [SWOGNR]) were placed over (without touching the skin) a rodent femoral fracture site. A nanosecond pulsed near-infrared laser diode was employed to generate photoacoustic (PA) signals from the nanofilms. X-ray micro-computed tomography (microCT), histology, and mechanical testing results showed that daily PA stimulations of upto 45 min for 6 weeks (complete fracture healing) do not adversely affect bone regeneration and quality. Further, microCT and histological analysis showed 10 min daily stimulation for 2 weeks significantly increases bone quantity at the fracture sites of rats exposed to the nanoparticle-generated PA signals. In these rats, up to threefold increase in bone volume to callus volume ratio and twofold increase in bone mineral density within the callus were noted, compared to rats that were not exposed to the photoacoustic signals. The results taken together indicate that nanofilm-generated photoacoustic signals serve as an anabolic stimulus for bone regeneration. The results, in conjugation with the ability of these nanofilms to serve as PA contrast agents, present opportunities toward the development of integrated noninvasive imaging and noninvasive or invasive treatment strategies for bone loss due to disease or trauma.
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Affiliation(s)
- Yahfi Talukdar
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Jason T Rashkow
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Sunny Patel
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Gaurav Lalwani
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Juan Bastidas
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Slah Khan
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
| | - Balaji Sitharaman
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York
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40
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Jiang X, Savchenko O, Li Y, Qi S, Yang T, Zhang W, Chen J. A Review of Low-Intensity Pulsed Ultrasound for Therapeutic Applications. IEEE Trans Biomed Eng 2019; 66:2704-2718. [DOI: 10.1109/tbme.2018.2889669] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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41
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Wang J, Lai B, Nanayakkara G, Yang Q, Sun Y, Lu Y, Shao Y, Yu D, Yang WY, Cueto R, Fu H, Zeng H, Shen W, Wu S, Zhang C, Liu Y, Choi ET, Wang H, Yang X. Experimental Data-Mining Analyses Reveal New Roles of Low-Intensity Ultrasound in Differentiating Cell Death Regulatome in Cancer and Non-cancer Cells via Potential Modulation of Chromatin Long-Range Interactions. Front Oncol 2019; 9:600. [PMID: 31355136 PMCID: PMC6640725 DOI: 10.3389/fonc.2019.00600] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 06/18/2019] [Indexed: 12/17/2022] Open
Abstract
Background: The mechanisms underlying low intensity ultrasound (LIUS) mediated suppression of inflammation and tumorigenesis remain poorly determined. Methods: We used microarray datasets from NCBI GEO Dataset databases and conducted a comprehensive data mining analyses, where we studied the gene expression of 299 cell death regulators that regulate 13 different cell death types (cell death regulatome) in cells treated with LIUS. Results: We made the following findings: (1) LIUS exerts a profound effect on the expression of cell death regulatome in cancer cells and non-cancer cells. Of note, LIUS has the tendency to downregulate the gene expression of cell death regulators in non-cancer cells. Most of the cell death regulator genes downregulated by LIUS in non-cancer cells are responsible for mediating inflammatory signaling pathways; (2) LIUS activates different cell death transcription factors in cancer and non-cancer cells. Transcription factors TP-53 and SRF- were induced by LIUS exposure in cancer cells and non-cancer cells, respectively; (3) As two well-accepted mechanisms of LIUS, mild hyperthermia and oscillatory shear stress induce changes in the expression of cell death regulators, therefore, may be responsible for inducing LIUS mediated changes in gene expression patterns of cell death regulators in cells; (4) LIUS exposure may change the redox status of the cells. LIUS may induce more of antioxidant effects in non-cancer cells compared to cancer cells; and (5) The genes modulated by LIUS in cancer cells have distinct chromatin long range interaction (CLRI) patterns to that of non-cancer cells. Conclusions: Our analysis suggests novel molecular mechanisms that may be utilized by LIUS to induce tumor suppression and inflammation inhibition. Our findings may lead to development of new treatment protocols for cancers and chronic inflammation.
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Affiliation(s)
- Jiwei Wang
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Bin Lai
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Gayani Nanayakkara
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Qian Yang
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Yu Sun
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Yifan Lu
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Ying Shao
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Daohai Yu
- Department of Clinical Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - William Y. Yang
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Ramon Cueto
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Hangfei Fu
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Huihong Zeng
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Wen Shen
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Susu Wu
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Chunquan Zhang
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yanna Liu
- Department of Ultrasound, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Eric T. Choi
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Division of Vascular and Endovascular Surgery, Department of Surgery, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Hong Wang
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
| | - Xiaofeng Yang
- Department of Pharmacology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Microbiology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
- Department of Immunology, Centers for Metabolic Disease Research, Inflammation, Translational and Clinical Lung Research, Cardiovascular Research, Thrombosis Research, Philadelphia, PA, United States
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Wang-Yang L, You-Liang Z, Tiao L, Peng Z, Wu-Ji X, Xiao-Long L, Xin-Yu Q, Hui X. Pretreatment with Lithospermic Acid Attenuates Oxidative Stress- induced Apoptosis in Bone Marrow-derived Mesenchymal Stem Cells via Anti-oxidation and Activation of PI3K/Akt Pathway. DIGITAL CHINESE MEDICINE 2019. [DOI: 10.1016/j.dcmed.2019.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Wang X, Lin Q, Zhang T, Wang X, Cheng K, Gao M, Xia P, Li X. Low-intensity pulsed ultrasound promotes chondrogenesis of mesenchymal stem cells via regulation of autophagy. Stem Cell Res Ther 2019; 10:41. [PMID: 30670079 PMCID: PMC6343259 DOI: 10.1186/s13287-019-1142-z] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 12/28/2018] [Accepted: 01/08/2019] [Indexed: 02/07/2023] Open
Abstract
Background Low-intensity pulsed ultrasound (LIPUS) can induce mesenchymal stem cell (MSC) differentiation, although the mechanism of its potential effects on chondrogenic differentiation is unknown. Since autophagy is known to regulate the differentiation of MSCs, the aim of our study was to determine whether LIPUS induced chondrogenesis via autophagy regulation. Methods MSCs were isolated from the rat bone marrow, cultured in either standard or chondrogenic medium, and stimulated with 3 MHz of LIPUS given in 20% on–off cycles, with or without prior addition of an autophagy inhibitor or agonist. Chondrogenesis was evaluated on the basis of aggrecan (AGG) organization and the amount of type II collagen (COL2) and the mRNA expression of AGG, COL2, and SRY-related high mobility group-box gene 9 (SOX9) genes. Results LIPUS promoted the chondrogenic differentiation of MSCs, as shown by the changes in the extracellular matrix (ECM) proteins and upregulation of chondrogenic genes, and these effects were respectively augmented and inhibited by the autophagy inhibitor and agonist. Conclusions Taken together, these results indicate that LIPUS promotes MSC chondrogenesis by inhibiting autophagy.
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Affiliation(s)
- Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Qiang Lin
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Tingting Zhang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xinwei Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Kai Cheng
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Mingxia Gao
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
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Leng X, Shang J, Gao D, Wu J. Low-intensity pulsed ultrasound promotes proliferation and migration of HaCaT keratinocytes through the PI3K/AKT and JNK pathways. ACTA ACUST UNITED AC 2018; 51:e7862. [PMID: 30365726 PMCID: PMC6207286 DOI: 10.1590/1414-431x20187862] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 09/04/2018] [Indexed: 12/18/2022]
Abstract
Although the effects of low-intensity pulsed ultrasound (LIPUS) on diverse cell types have been fully studied, the functional role of LIPUS in keratinocytes remains poorly understood. This study aimed to investigate the effects of LIPUS on proliferation and migration of HaCaT cells as well as the regulatory mechanisms associated with signaling pathways. Human HaCaT cells were exposed or not to LIPUS, and cell proliferation and migration were measured by BrdU incorporation assay and Transwell assay, respectively. Expression of proteins associated with proliferation and migration was evaluated by western blot analysis. Expression of key kinases in the PI3K/AKT and JNK pathways was also evaluated by western blot analysis. Effects of LIPUS on the PI3K/AKT and JNK pathways, and whether LIPUS affected HaCaT cells via these two pathways were finally explored. When the parameter of LIPUS (number of cycles) was set at 300, cell viability was the highest after LIPUS stimulation. We then found that the percentage of BrdU positive cells was enhanced by LIPUS, along with up-regulation of cyclinD1, CDK6, CDK4, and VEGF. LIPUS promoted migration, as well as up-regulation of MMP-2 and MMP-9. Phosphorylation levels of key kinases in the PI3K/AKT and JNK pathways were increased by LIPUS. Inhibition of either PI3K/AKT pathway or JNK pathway attenuated effects of LIPUS on HaCaT cells, and co-inhibition of these two pathways showed augmented effects. LIPUS promoted proliferation and migration of HaCaT cells through activating the PI3K/AKT and JNK pathways.
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Affiliation(s)
- Xiaoyan Leng
- Department of Ultrasound, Chengyang People's Hospital, Qingdao, China
| | - Jing Shang
- Health Management Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Danhui Gao
- Department of Ultrasound, Chengyang People's Hospital, Qingdao, China
| | - Jiang Wu
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
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External Volume Expansion Up-Regulates CXCL12 Expression and Enhances Mesenchymal Stromal Cell Recruitment toward Expanded Prefabricated Adipose Tissue in Rats. Plast Reconstr Surg 2018; 141:526e-537e. [DOI: 10.1097/prs.0000000000004217] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Wang Y, Li J, Qiu Y, Hu B, Chen J, Fu T, Zhou P, Song J. Low‑intensity pulsed ultrasound promotes periodontal ligament stem cell migration through TWIST1‑mediated SDF‑1 expression. Int J Mol Med 2018; 42:322-330. [PMID: 29620151 PMCID: PMC5979833 DOI: 10.3892/ijmm.2018.3592] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 03/19/2018] [Indexed: 12/13/2022] Open
Abstract
Low‑intensity pulsed ultrasound (LIPUS) is a non‑invasive therapeutic treatment for accelerating fracture healing. A previous study from our group demonstrated that LIPUS has the potential to promote periodontal tissue regeneration. However, the underlying molecular mechanism by which LIPUS promotes periodontal tissue regeneration remains unknown. In the present study, periodontal ligament stem cells (PDLSCs) were isolated from premolars. Flow cytometry and differentiation assays were used to characterize the isolated PDLSCs. LIPUS treatment was administered to PDLSCs, and stromal cell‑derived factor‑1 (SDF‑1) expression levels were examined by reverse transcription‑quantitative polymerase chain reaction with or without blocking the SDF‑1/C‑X‑C motif chemokine receptor 4 (CXCR4) pathway with AMD3100. ELISA was used to evaluate SDF‑1 secretion in PDLSCs. Wound healing and transwell assays were conducted to assess the migration‑promoting effect of LIPUS. A potential upstream gene of SDF‑1, twist family bHLH transcription factor 1 (TWIST1), was silenced by small interfering (si) RNA transfection. The results demonstrated that LIPUS treatment promoted the expression of TWIST1 and SDF‑1 at both the mRNA and protein levels. In addition, LIPUS treatment enhanced the cell migration of PDLSCs. Knockdown of TWIST1 impaired the expression of SDF‑1 and the cell migration ability of PDLSCs. TWIST1 may be an upstream regulator of SDF‑1 in PDLSCs. Taken together, these findings indicate that the SDF1/CXCR4 signaling pathway is involved in LIPUS‑promoted PDLSC migration, which might be one of the mechanisms for LIPUS‑mediated periodontal regeneration. TWIST1 might be a mechanical stress sensor during mechanotransduction.
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Affiliation(s)
- Yunji Wang
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Jie Li
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Ye Qiu
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Bo Hu
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Jin Chen
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Tiwei Fu
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Pengfei Zhou
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
| | - Jinlin Song
- College of Stomatology, Chongqing Medical University; Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, P.R. China
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Zhang H, Li ZL, Yang F, Zhang Q, Su XZ, Li J, Zhang N, Liu CH, Mao N, Zhu H. Radial shockwave treatment promotes human mesenchymal stem cell self-renewal and enhances cartilage healing. Stem Cell Res Ther 2018. [PMID: 29523197 PMCID: PMC5845163 DOI: 10.1186/s13287-018-0805-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Shockwaves and mesenchymal stem cells (MSCs) have been widely accepted as useful tools for many orthopedic applications. However, the modulatory effects of shockwaves on MSCs remain controversial. In this study, we explored the influence of radial shockwaves on human bone marrow MSCs using a floating model in vitro and evaluated the healing effects of these cells on cartilage defects in vivo using a rabbit model. METHODS MSCs were cultured in vitro, harvested, resuspended, and treated with various doses of radial shockwaves in a floating system. Cell proliferation was evaluated by growth kinetics and Cell Counting Kit-8 (CCK-8) assay. In addition, the cell cycle and apoptotic activity were analyzed by fluorescence activated cell sorting. To explore the "stemness" of MSCs, cell colony-forming tests and multidifferentiation assays were performed. We also examined the MSC subcellular structure using transmission electron microscopy and examined the healing effects of these cells on cartilage defects by pathological analyses. RESULTS The results of growth kinetics and CCK-8 assays showed that radial shockwave treatment significantly promoted MSC proliferation. Enhanced cell growth was also reflected by an increase in the numbers of cells in the S phase and a decrease in the numbers of cells arrested in the G0/G1 phase in shockwave-treated MSCs. Unexpectedly, shockwaves caused a slight increase in MSC apoptosis rates. Furthermore, radial shockwaves promoted self-replicating activity of MSCs. Transmission electron microscopy revealed that MSCs were metabolically activated by shockwave treatment. In addition, radial shockwaves favored MSC osteogenic differentiation but inhibited adipogenic activity. Most importantly, MSCs pretreated by radial shockwaves exhibited an enhanced healing effect on cartilage defects in vivo. Compared with control groups, shockwave-treated MSCs combined with bio-scaffolds significantly improved histological scores of injured rabbit knees. CONCLUSIONS In the present study, we found that radial shockwaves significantly promoted the proliferation and self-renewal of MSCs in vitro and safely accelerated the cartilage repair process in vivo, indicating favorable clinical outcomes.
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Affiliation(s)
- Hao Zhang
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China
| | - Zhong-Li Li
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China.
| | - Fei Yang
- BNLMS, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Beijing, China
| | - Qiang Zhang
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China
| | - Xiang-Zheng Su
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China
| | - Ji Li
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China
| | - Ning Zhang
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China.,Department of Orthopedics, People's Liberation Army Rocket Force General Hospital, Beijing, China
| | - Chun-Hui Liu
- Department of Orthopedics, Sports Medicine Center, People's Liberation Army General Hospital, Beijing, 100853, China
| | - Ning Mao
- Department of Cell Biology, Institute of Basic Medical Sciences, Tai Ping Road 27, Beijing, China
| | - Heng Zhu
- Department of Cell Biology, Institute of Basic Medical Sciences, Tai Ping Road 27, Beijing, China.
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Xia P, Wang X, Qu Y, Lin Q, Cheng K, Gao M, Ren S, Zhang T, Li X. TGF-β1-induced chondrogenesis of bone marrow mesenchymal stem cells is promoted by low-intensity pulsed ultrasound through the integrin-mTOR signaling pathway. Stem Cell Res Ther 2017; 8:281. [PMID: 29237506 PMCID: PMC5729425 DOI: 10.1186/s13287-017-0733-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 11/19/2017] [Accepted: 11/23/2017] [Indexed: 02/06/2023] Open
Abstract
Background Low-intensity pulsed ultrasound (LIPUS) is a mechanical stimulus that plays a key role in regulating the differentiation of bone marrow mesenchymal stem cells (BMSCs). However, the way in which it affects the chondrogenic differentiation of BMSCs remains unknown. In this study, we aimed to investigate whether LIPUS is able to influence TGF-β1-induced chondrogenesis of BMSCs through the integrin-mechanistic target of the Rapamycin (mTOR) signaling pathway. Methods BMSCs were isolated from rat bone marrow and cultured in either standard or TGF-β1-treated culture medium. BMSCs were then subjected to LIPUS at a frequency of 3 MHz and a duty cycle of 20%, and integrin and mTOR inhibitors added in order to analyze their influence on cell differentiation. BMSCs were phenotypically analyzed by flow cytometry and the degree of chondrogenesis evaluated through toluidine blue staining, immunofluorescence, and immunocytochemistry. Furthermore, expression of COL2, aggrecan, SOX9, and COL1 was assessed by qRT-PCR and western blot analysis. Results We found that LIPUS promoted TGF-β1-induced chondrogenesis of BMSCs, represented by increased expression of COL2, aggrecan and SOX9 genes, and decreased expression of COL1. Notably, these effects were prevented following addition of integrin and mTOR inhibitors. Conclusions Taken together, these results indicate that mechanical stimulation combined with LIPUS promotes TGF-β1-induced chondrogenesis of BMSCs through the integrin-mTOR signaling pathway.
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Affiliation(s)
- Peng Xia
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xiaoju Wang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Yanping Qu
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Qiang Lin
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Kai Cheng
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Mingxia Gao
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Shasha Ren
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Tingting Zhang
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xueping Li
- Department of Rehabilitation Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China.
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Duscher D, Maan ZN, Luan A, Aitzetmüller MM, Brett EA, Atashroo D, Whittam AJ, Hu MS, Walmsley GG, Houschyar KS, Schilling AF, Machens HG, Gurtner GC, Longaker MT, Wan DC. Ultrasound-assisted liposuction provides a source for functional adipose-derived stromal cells. Cytotherapy 2017; 19:1491-1500. [PMID: 28917626 PMCID: PMC5723208 DOI: 10.1016/j.jcyt.2017.07.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 07/10/2017] [Accepted: 07/31/2017] [Indexed: 11/16/2022]
Abstract
BACKGROUND AIMS Regenerative medicine employs human mesenchymal stromal cells (MSCs) for their multi-lineage plasticity and their pro-regenerative cytokine secretome. Adipose-derived mesenchymal stromal cells (ASCs) are concentrated in fat tissue, and the ease of harvest via liposuction makes them a particularly interesting cell source. However, there are various liposuction methods, and few have been assessed regarding their impact on ASC functionality. Here we study the impact of the two most popular ultrasound-assisted liposuction (UAL) devices currently in clinical use, VASER (Solta Medical) and Lysonix 3000 (Mentor) on ASCs. METHODS After lipoaspirate harvest and processing, we sorted for ASCs using fluorescent-assisted cell sorting based on an established surface marker profile (CD34+CD31-CD45-). ASC yield, viability, osteogenic and adipogenic differentiation capacity and in vivo regenerative performance were assessed. RESULTS Both UAL samples demonstrated equivalent ASC yield and viability. VASER UAL ASCs showed higher osteogenic and adipogenic marker expression, but a comparable differentiation capacity was observed. Soft tissue healing and neovascularization were significantly enhanced via both UAL-derived ASCs in vivo, and there was no significant difference between the cell therapy groups. CONCLUSIONS Taken together, our data suggest that UAL allows safe and efficient harvesting of the mesenchymal stromal cellular fraction of adipose tissue and that cells harvested via this approach are suitable for cell therapy and tissue engineering applications.
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Affiliation(s)
- Dominik Duscher
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Department of Plastic and Hand Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.
| | - Zeshaan N Maan
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Anna Luan
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Matthias M Aitzetmüller
- Department of Plastic and Hand Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Elizabeth A Brett
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - David Atashroo
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Alexander J Whittam
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Michael S Hu
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Graham G Walmsley
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Khosrow S Houschyar
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Department of Plastic and Hand Surgery, Burn Unit, Trauma Center Bergmannstrost Halle, Germany
| | - Arndt F Schilling
- Department of Plastic and Hand Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany; Division for Research and Development, Department for Traumatology, Orthopedic and Plastic Surgery, Göttingen University, Germany
| | - Hans-Guenther Machens
- Department of Plastic and Hand Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Geoffrey C Gurtner
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Michael T Longaker
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Derrick C Wan
- Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
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Atherton P, Lausecker F, Harrison A, Ballestrem C. Low-intensity pulsed ultrasound promotes cell motility through vinculin-controlled Rac1 GTPase activity. J Cell Sci 2017; 130:2277-2291. [PMID: 28576970 DOI: 10.1242/jcs.192781] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 05/29/2017] [Indexed: 12/16/2022] Open
Abstract
Low-intensity pulsed ultrasound (LIPUS) is a therapy used clinically to promote healing. Using live-cell imaging we show that LIPUS stimulation, acting through integrin-mediated cell-matrix adhesions, rapidly induces Rac1 activation associated with dramatic actin cytoskeleton rearrangements. Our study demonstrates that the mechanosensitive focal adhesion (FA) protein vinculin, and both focal adhesion kinase (FAK, also known as PTK2) and Rab5 (both the Rab5a and Rab5b isoforms) have key roles in regulating these effects. Inhibiting the link of vinculin to the actin-cytoskeleton abolished LIPUS sensing. We show that this vinculin-mediated link was not only critical for Rac1 induction and actin rearrangements, but was also important for the induction of a Rab5-dependent increase in the number of early endosomes. Expression of dominant-negative Rab5, or inhibition of endocytosis with dynasore, also blocked LIPUS-induced Rac1 signalling events. Taken together, our data show that LIPUS is sensed by cell matrix adhesions through vinculin, which in turn modulates a Rab5-Rac1 pathway to control ultrasound-mediated endocytosis and cell motility. Finally, we demonstrate that a similar FAK-Rab5-Rac1 pathway acts to control cell spreading upon fibronectin.
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Affiliation(s)
- Paul Atherton
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester M13 9PT, USA
| | - Franziska Lausecker
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester M13 9PT, USA
| | - Andrew Harrison
- Bioventus Cooperatief, Taurusavenue 31, 2132 LS Hoofddorp, The Netherlands
| | - Christoph Ballestrem
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester M13 9PT, USA
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