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Ding S, Chen Y, Huang C, Song L, Liang Z, Wei B. Perception and response of skeleton to mechanical stress. Phys Life Rev 2024; 49:77-94. [PMID: 38564907 DOI: 10.1016/j.plrev.2024.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
Mechanical stress stands as a fundamental factor in the intricate processes governing the growth, development, morphological shaping, and maintenance of skeletal mass. The profound influence of stress in shaping the skeletal framework prompts the assertion that stress essentially births the skeleton. Despite this acknowledgment, the mechanisms by which the skeleton perceives and responds to mechanical stress remain enigmatic. In this comprehensive review, our scrutiny focuses on the structural composition and characteristics of sclerotin, leading us to posit that it serves as the primary structure within the skeleton responsible for bearing and perceiving mechanical stress. Furthermore, we propose that osteocytes within the sclerotin emerge as the principal mechanical-sensitive cells, finely attuned to perceive mechanical stress. And a detailed analysis was conducted on the possible transmission pathways of mechanical stress from the extracellular matrix to the nucleus.
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Affiliation(s)
- Sicheng Ding
- Department of Minimally invasive spine surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Yiren Chen
- Department of Minimally invasive spine surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Chengshuo Huang
- Department of Minimally invasive spine surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Lijun Song
- Reproductive Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Zhen Liang
- Department of Minimally invasive spine surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China.
| | - Bo Wei
- Department of Minimally invasive spine surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China.
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Kang T, Yang Z, Zhou M, Lan Y, Hong Y, Gong X, Wu Y, Li M, Chen X, Zhang W. The role of the Piezo1 channel in osteoblasts under cyclic stretching: A study on osteogenic and osteoclast factors. Arch Oral Biol 2024; 163:105963. [PMID: 38608563 DOI: 10.1016/j.archoralbio.2024.105963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/10/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024]
Abstract
OBJECTIVES Orthodontic tooth movement is a mechanobiological reaction induced by appropriate forces, including bone remodeling. The mechanosensitive Piezo channels have been shown to contribute to bone remodeling. However, information about the pathways through which Piezo channels affects osteoblasts remains limited. Thus, we aimed to investigate the influence of Piezo1 on the osteogenic and osteoclast factors in osteoblasts under mechanical load. MATERIALS AND METHODS Cyclic stretch (CS) experiments on MC3T3-E1 were conducted using a BioDynamic mechanical stretching device. The Piezo1 channel blocker GsMTx4 and the Piezo1 channel agonist Yoda1 were used 12 h before the application of CS. MC3T3-E1 cells were then subjected to 15% CS, and the expression of Piezo1, Piezo2, BMP-2, OCN, Runx2, RANKL, p-p65/p65, and ALP was measured using quantitative real-time polymerase chain reaction, western blot, alkaline phosphatase staining, and immunofluorescence staining. RESULTS CS of 15% induced the highest expression of Piezo channel and osteoblast factors. Yoda1 significantly increased the CS-upregulated expression of Piezo1 and ALP activity but not Piezo2 and RANKL. GsMTx4 downregulated the CS-upregulated expression of Piezo1, Piezo2, Runx2, OCN, p-65/65, and ALP activity but could not completely reduce CS-upregulated BMP-2. CONCLUSIONS The appropriate force is more suitable for promoting osteogenic differentiation in MC3T3-E1. The Piezo1 channel participates in osteogenic differentiation of osteoblasts through its influence on the expression of osteogenic factors like BMP-2, Runx2, and OCN and is involved in regulating osteoclasts by influencing phosphorylated p65. These results provide a foundation for further exploration of osteoblast function in orthodontic tooth movement.
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Affiliation(s)
- Ting Kang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Ziyuan Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Mengqi Zhou
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Yanhua Lan
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Yaya Hong
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
| | - Xinyi Gong
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Yongjia Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Min Li
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xuepeng Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
| | - Weifang Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
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3
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Cheng K, Gao S, Mei Y, Zhou D, Song C, Guo D, Hou Y, Liu Z. The bone nonunion microenvironment: A place where osteogenesis struggles with osteoclastic capacity. Heliyon 2024; 10:e31314. [PMID: 38813209 PMCID: PMC11133820 DOI: 10.1016/j.heliyon.2024.e31314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/31/2024] Open
Abstract
Bone nonunion is a common and serious orthopedic disorder, the occurrence of which is associated with a disruption of the dynamic balance between osteoblasts and osteoclasts during bone repair. However, the critical molecular mechanisms affecting this homeostasis are not well understood, and it is essential to investigate the specific components of this mechanism and to restore the balance between osteoblasts and osteoclasts to promote bone repair. First, we defined this complex local environmental factor as the "bone nonunion microenvironment" and identified the importance of the "struggle" between osteoblasts and osteoclasts, which is the most essential element in determining the process of repair. On this basis, we also explored the cellular factors that influence osteogenesis and the molecular signals that influence the balance between osteoclast and osteoblasts, which are important for restoring homeostasis. Further, we explored other factors involved in osteogenesis, such as the biomechanical environment, the nutritional environment, the acid-base environment, and the temperature environment, which are important players in osteogenesis. In conclusion, we found that the balance between osteoblasts and osteoclasts is the essence of bone healing, which is based on the "bone nonunion microenvironment". Therefore, investigating the role of the bone nonunion microenvironment in the system of osteoblast-osteoclast "struggle" provides an important basis for further understanding of the mechanism of nonunion and the development of new therapeutic approaches.
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Affiliation(s)
- Kang Cheng
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Silong Gao
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Yongliang Mei
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Daqian Zhou
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Chao Song
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Daru Guo
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Yunqing Hou
- Department of Medical Imaging, Luzhou Longmatan District People's Hospital, Luzhou, China
| | - Zongchao Liu
- Department of Orthopedics and Traumatology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
- Department of Medical Imaging, Luzhou Longmatan District People's Hospital, Luzhou, China
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Yu S, Tang Q, Lu X, Chen G, Xie M, Yang J, Yin Y, Zheng W, Wang J, Han Y, Zhang L, Chen L. Time of exercise differentially impacts bone growth in mice. Nat Metab 2024:10.1038/s42255-024-01057-0. [PMID: 38806654 DOI: 10.1038/s42255-024-01057-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 04/26/2024] [Indexed: 05/30/2024]
Abstract
Although physical training has been shown to improve bone mass, the time of day to exercise for optimal bone growth remains uncertain. Here we show that engaging in physical activity during the early active phase, as opposed to the subsequent active or rest phase, results in a more substantial increase in bone length of male and female mice. Transcriptomic and metabolomic methodologies identify that exercise during the early active phase significantly upregulates genes associated with bone development and metabolism. Notably, oxidative phosphorylation-related genes show a rhythmic expression in the chondrification centre, with a peak at the early active phase, when more rhythmic genes in bone metabolism are expressed and bone growth is synergistically promoted by affecting oxidative phosphorylation, which is confirmed by subsequent pharmacological investigations. Finally, we construct a signalling network to predict the impact of exercise on bone growth. Collectively, our research sheds light on the intricacies of human exercise physiology, offering valuable implications for interventions.
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Affiliation(s)
- Shaoling Yu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Xiaofeng Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Guangjin Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Mengru Xie
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jingxi Yang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Ying Yin
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Wenhao Zheng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jinyu Wang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Yunyun Han
- Department of Neurobiology, School of Basic Medicine and Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Luoying Zhang
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
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Yang Y, Dai Q, Gao X, Zhu Y, Chung MR, Jin A, Liu Y, Wang X, Huang X, Sun S, Xu H, Liu J, Jiang L. Occlusal force orchestrates alveolar bone homeostasis via Piezo1 in female mice. J Bone Miner Res 2024; 39:580-594. [PMID: 38477783 DOI: 10.1093/jbmr/zjae032] [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: 10/19/2023] [Revised: 02/07/2024] [Accepted: 02/15/2024] [Indexed: 03/14/2024]
Abstract
Healthy alveolar bone is the cornerstone of oral function and oral treatment. Alveolar bone is highly dynamic during the entire lifespan and is affected by both systemic and local factors. Importantly, alveolar bone is subjected to unique occlusal force in daily life, and mechanical force is a powerful trigger of bone remodeling, but the effect of occlusal force in maintaining alveolar bone mass remains ambiguous. In this study, the Piezo1 channel is identified as an occlusal force sensor. Activation of Piezo1 rescues alveolar bone loss caused by a loss of occlusal force. Moreover, we identify Piezo1 as the mediator of occlusal force in osteoblasts, maintaining alveolar bone homeostasis by directly promoting osteogenesis and by sequentially regulating catabolic metabolism through Fas ligand (FasL)-induced osteoclastic apoptosis. Interestingly, Piezo1 activation also exhibits remarkable efficacy in the treatment of alveolar bone osteoporosis caused by estrogen deficiency, which is highly prevalent among middle-aged and elderly women. Promisingly, Piezo1 may serve not only as a treatment target for occlusal force loss-induced alveolar bone loss but also as a potential target for metabolic bone loss, especially in older patients.
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Affiliation(s)
- Yiling Yang
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Qinggang Dai
- Shanghai Key Laboratory of Stomatology, The 2 nd Dental Center, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Xin Gao
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Yanfei Zhu
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Mi Ri Chung
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Anting Jin
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Yuanqi Liu
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Xijun Wang
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Xiangru Huang
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Siyuan Sun
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Hongyuan Xu
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Jingyi Liu
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
| | - Lingyong Jiang
- Shanghai Key Laboratory of Stomatology, Department of Oral and Cranio-Maxillofacial Science, Center of Craniofacial Orthodontics, National Clinical Research Center of Stomatology, Shanghai Research Institute of Stomatology, Shanghai Jiaotong University School of Medicine, , Ninth People's Hospital, Shanghai, Shanghai 200011, China
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Thien ND, Hai-Nam N, Anh DT, Baecker D. Piezo1 and its inhibitors: Overview and perspectives. Eur J Med Chem 2024; 273:116502. [PMID: 38761789 DOI: 10.1016/j.ejmech.2024.116502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
The cation channel Piezo1, a crucial mechanotransducer found in various organs and tissues, has gained considerable attention as a therapeutic target in recent years. Following this trend, several Piezo1 inhibitors have been discovered and studied for potential pharmacological properties. This review provides an overview of the structural and functional importance of Piezo1, as well as discussing the biological activities of Piezo1 inhibitors based on their mechanism of action. The compounds addressed include the toxin GsMTx4, Aβ peptides, certain fatty acids, ruthenium red and gadolinium, Dooku1, as well as the natural products tubeimoside I, salvianolic acid B, jatrorrhzine, and escin. The findings revealed that misexpression of Piezo1 can be associated with a number of chronic diseases, including hypertension, cancer, and hemolytic anemia. Consequently, inhibiting Piezo1 and the subsequent calcium influx can have beneficial effects on various pathological processes, as shown by many in vitro and in vivo studies. However, the development of Piezo1 inhibitors is still in its beginnings, with many opportunities and challenges remaining to be explored.
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Affiliation(s)
- Nguyen Duc Thien
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, 100000, Viet Nam
| | - Nguyen Hai-Nam
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, 100000, Viet Nam
| | - Duong Tien Anh
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, 100000, Viet Nam.
| | - Daniel Baecker
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2+4, Berlin, 14195, Germany.
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Nie X, Abbasi Y, Chung MK. Piezo1 and Piezo2 collectively regulate jawbone development. Development 2024; 151:dev202386. [PMID: 38619396 PMCID: PMC11128276 DOI: 10.1242/dev.202386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
Piezo1 and Piezo2 are recently reported mechanosensory ion channels that transduce mechanical stimuli from the environment into intracellular biochemical signals in various tissues and organ systems. Here, we show that Piezo1 and Piezo2 display a robust expression during jawbone development. Deletion of Piezo1 in neural crest cells causes jawbone malformations in a small but significant number of mice. We further demonstrate that disruption of Piezo1 and Piezo2 in neural crest cells causes more striking defects in jawbone development than any single knockout, suggesting essential but partially redundant roles of Piezo1 and Piezo2. In addition, we observe defects in other neural crest derivatives such as malformation of the vascular smooth muscle in double knockout mice. Moreover, TUNEL examinations reveal excessive cell death in osteogenic cells of the maxillary and mandibular arches of the double knockout mice, suggesting that Piezo1 and Piezo2 together regulate cell survival during jawbone development. We further demonstrate that Yoda1, a Piezo1 agonist, promotes mineralization in the mandibular arches. Altogether, these data firmly establish that Piezo channels play important roles in regulating jawbone formation and maintenance.
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Affiliation(s)
- Xuguang Nie
- Department of Neural and Pain Sciences, School of Dentistry, the University of Maryland, Baltimore, MD 21201,USA
| | - Yasaman Abbasi
- Department of Neural and Pain Sciences, School of Dentistry, the University of Maryland, Baltimore, MD 21201,USA
| | - Man-Kyo Chung
- Department of Neural and Pain Sciences, School of Dentistry, the University of Maryland, Baltimore, MD 21201,USA
- Center to Advance Chronic Pain Research, the University of Maryland, Baltimore, MD 21201,USA
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Weiss MB, Syed SA, Whiteson HZ, Hirani R, Etienne M, Tiwari RK. Navigating Post-Traumatic Osteoporosis: A Comprehensive Review of Epidemiology, Pathophysiology, Diagnosis, Treatment, and Future Directions. Life (Basel) 2024; 14:561. [PMID: 38792583 PMCID: PMC11122478 DOI: 10.3390/life14050561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/14/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Post-traumatic osteoporosis (PTO) presents a significant challenge in clinical practice, characterized by demineralization and decreased skeletal integrity following severe traumatic injuries. This literature review manuscript addresses the knowledge gaps surrounding PTO, encompassing its epidemiology, pathophysiology, risk factors, diagnosis, treatment, prognosis, and future directions. This review emphasizes the complexity of the etiology of PTO, highlighting the dysregulation of biomineralization processes, inflammatory cytokine involvement, hormonal imbalances, glucocorticoid effects, vitamin D deficiency, and disuse osteoporosis. Moreover, it underscores the importance of multidisciplinary approaches for risk mitigation and advocates for improved diagnostic strategies to differentiate PTO from other musculoskeletal pathologies. This manuscript discusses various treatment modalities, including pharmacotherapy, dietary management, and physical rehabilitation, while also acknowledging the limited evidence on their long-term effectiveness and outcomes in PTO patients. Future directions in research are outlined, emphasizing the need for a deeper understanding of the molecular mechanisms underlying PTO and the evaluation of treatment strategies' efficacy. Overall, this review provides a comprehensive overview of PTO and highlights avenues for future investigation to enhance clinical management and patient outcomes.
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Affiliation(s)
- Matthew B. Weiss
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
| | - Shoaib A. Syed
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
| | - Harris Z. Whiteson
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
| | - Rahim Hirani
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
- Graduate School of Biomedical Sciences, New York Medical College, Valhalla, NY 10595, USA
| | - Mill Etienne
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
- Department of Neurology, New York Medical College, Valhalla, NY 10595, USA
| | - Raj K. Tiwari
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA (H.Z.W.); (R.H.); (M.E.)
- Graduate School of Biomedical Sciences, New York Medical College, Valhalla, NY 10595, USA
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Huang J, Jiang H, Wang H, Xue Q, Hu M, Li Y. Aucubin produces anti-osteoporotic effects under mechanical stretch stress and orthodontic tooth movement. Chem Biol Interact 2024; 393:110955. [PMID: 38492842 DOI: 10.1016/j.cbi.2024.110955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 03/05/2024] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
Aucubin (AU), an iridoid glycoside extracted from Eucommia ulmoides, exerts anti-osteoporotic effects by promoting osteogenesis, as reported in previous studies. Here, we investigated the effects of AU under mechanical stretch stress. MC3T3-E1 cells were treated with dexamethasone (DEX) in vitro and subjected to mechanical stretch stress to establish an osteoporotic orthodontic force cell model. AU treatment increased the mRNA and protein expressions of BMP2, OPN, RUNX2, COL-1 and other osteogenic differentiation factors in MC3T3-E1 cells. Furthermore, we established an in vivo orthodontic tooth movement (OTM) model of osteoporosis. Serum parameter detection of ALP concentration, radiography of the femur, hematoxylin-eosin (HE) staining, and micro-CT of the maxilla confirmed that AU could partially reverse the damage induced by DEX. Immunohistochemical (IHC) analysis showed that AU increased the expression of COL-1, OCN, and OPN on the tension side of the periodontium. In conclusion, AU treatment promotes osteogenic differentiation under mechanical stretch stress and positively affects bone remodeling during OTM in DEX-induced osteoporosis.
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Affiliation(s)
- Jiamiao Huang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China
| | - Huan Jiang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China
| | - Haoyu Wang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China
| | - Qing Xue
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China
| | - Min Hu
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China
| | - Yutong Li
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, 130021, China; School of Life Sciences, Jilin University, Changchun, 130012, China.
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10
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Zheng F, Wu T, Wang F, Li H, Tang H, Cui X, Li C, Wang Y, Jiang J. Low-intensity pulsed ultrasound promotes the osteogenesis of mechanical force-treated periodontal ligament cells via Piezo1. Front Bioeng Biotechnol 2024; 12:1347406. [PMID: 38694622 PMCID: PMC11061374 DOI: 10.3389/fbioe.2024.1347406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 04/03/2024] [Indexed: 05/04/2024] Open
Abstract
Background Low-intensity pulsed ultrasound (LIPUS) can accelerate tooth movement and preserve tooth and bone integrity during orthodontic treatment. However, the mechanisms by which LIPUS affects tissue remodeling during orthodontic tooth movement (OTM) remain unclear. Periodontal ligament cells (PDLCs) are pivotal in maintaining periodontal tissue equilibrium when subjected to mechanical stimuli. One notable mechano-sensitive ion channel, Piezo1, can modulate cellular function in response to mechanical cues. This study aimed to elucidate the involvement of Piezo1 in the osteogenic response of force-treated PDLCs when stimulated by LIPUS. Method After establishing rat OTM models, LIPUS was used to stimulate rats locally. OTM distance and alveolar bone density were assessed using micro-computed tomography, and histological analyses included hematoxylin and eosin staining, tartrate-resistant acid phosphatase staining and immunohistochemical staining. GsMTx4 and Yoda1 were respectively utilized for Piezo1 functional inhibition and activation experiments in rats. We isolated human PDLCs (hPDLCs) in vitro and evaluated the effects of LIPUS on the osteogenic differentiation of force-treated hPDLCs using real-time quantitative PCR, Western blot, alkaline phosphatase and alizarin red staining. Small interfering RNA and Yoda1 were employed to validate the role of Piezo1 in this process. Results LIPUS promoted osteoclast differentiation and accelerated OTM in rats. Furthermore, LIPUS alleviated alveolar bone resorption under pressure and enhanced osteogenesis of force-treated PDLCs both in vivo and in vitro by downregulating Piezo1 expression. Subsequent administration of GsMTx4 in rats and siPIEZO1 transfection in hPDLCs attenuated the inhibitory effect on osteogenic differentiation under pressure, whereas LIPUS efficacy was partially mitigated. Yoda1 treatment inhibited osteogenic differentiation of hPDLCs, resulting in reduced expression of Collagen Ⅰα1 and osteocalcin in the periodontal ligament. However, LIPUS administration was able to counteract these effects. Conclusion This research unveils that LIPUS promotes the osteogenesis of force-treated PDLCs via downregulating Piezo1.
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Affiliation(s)
- Fu Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
| | - Tong Wu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
| | - Feifei Wang
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
- Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
| | - Huazhi Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
| | - Hongyi Tang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
| | - Xinyu Cui
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
| | - Cuiying Li
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
- Central Laboratory, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
| | - Yixiang Wang
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
- Central Laboratory, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
| | - Jiuhui Jiang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Haidian, Beijing, China
- National Clinical Research Center for Oral Diseases and National Engineering Laboratory for Digital and Material Technology of Stomatology, Haidian, Beijing, China
- Beijing Key Laboratory of Digital Stomatology, Haidian, Beijing, China
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11
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Duan X, Liu R, Xi Y, Tian Z. The mechanisms of exercise improving cardiovascular function by stimulating Piezo1 and TRP ion channels: a systemic review. Mol Cell Biochem 2024:10.1007/s11010-024-05000-5. [PMID: 38625513 DOI: 10.1007/s11010-024-05000-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 03/24/2024] [Indexed: 04/17/2024]
Abstract
Mechanosensitive ion channels are widely distributed in the heart, lung, bladder and other tissues, and plays an important role in exercise-induced cardiovascular function promotion. By reviewing the PubMed databases, the results were summarized using the terms "Exercise/Sport", "Piezo1", "Transient receptor potential (TRP)" and "Cardiovascular" as the keywords, 124-related papers screened were sorted and reviewed. The results showed that: (1) Piezo1 and TRP channels play an important role in regulating blood pressure and the development of cardiovascular diseases such as atherosclerosis, myocardial infarction, and cardiac fibrosis; (2) Exercise promotes cardiac health, inhibits the development of pathological heart to heart failure, regulating the changes in the characterization of Piezo1 and TRP channels; (3) Piezo1 activates downstream signaling pathways with very broad pathways, such as AKT/eNOS, NF-κB, p38MAPK and HIPPO-YAP signaling pathways. Piezo1 and Irisin regulate nuclear localization of YAP and are hypothesized to act synergistically to regulate tissue mechanical properties of the cardiovascular system and (4) The cardioprotective effects of exercise through the TRP family are mostly accomplished through Ca2+ and involve many signaling pathways. TRP channels exert their important cardioprotective effects by reducing the TRPC3-Nox2 complex and mediating Irisin-induced Ca2+ influx through TRPV4. It is proposed that exercise stimulates the mechanosensitive cation channel Piezo1 and TRP channels, which exerts cardioprotective effects. The activation of Piezo1 and TRP channels and their downstream targets to exert cardioprotective function by exercise may provide a theoretical basis for the prevention of cardiovascular diseases and the rehabilitation of clinical patients.
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Affiliation(s)
- Xinyan Duan
- Institute of Sports and Exercise Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Renhan Liu
- Institute of Sports and Exercise Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Yue Xi
- Institute of Sports and Exercise Biology, Shaanxi Normal University, Xi'an, 710119, China.
| | - Zhenjun Tian
- Institute of Sports and Exercise Biology, Shaanxi Normal University, Xi'an, 710119, China
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12
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Yang W, Lin L, Hu S, Jiang B, Yang R, Yu W, Tang J, Zhao D, Gu Y, Jin M, Li J, Lu E. Expression patterns of mechanosensitive ion channel PIEZOs in irreversible pulpitis. BMC Oral Health 2024; 24:465. [PMID: 38627713 PMCID: PMC11022356 DOI: 10.1186/s12903-024-04209-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 03/30/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Mechanosensitive ion channel PIEZOs have been widely reported to involve inflammation and pain. This study aimed to clarify expression patterns of PIEZOs and their potential relations to irreversible pulpitis. MATERIALS AND METHODS Normal pulp tissues (n = 29) from patients with impacted third molars and inflamed pulp tissues (n = 23) from patients with irreversible pulpitis were collected. Pain levels were assessed using a numerical rating scale. PIEZO expressions were measured using real-time PCR and then confirmed using GEO datasets GSE77459, immunoblot, and immunohistochemistry staining. Correlations of PIEZO mRNA expression with inflammatory markers, pain markers, or clinical pain levels were evaluated using Spearman's correlation analysis. Univariate analysis was conducted to analyze PIEZO expressions based on pain description and clinical examinations of cold test, percussion, palpation, and bite test. RESULTS Compared with normal pulp tissues, mRNA expression levels of PIEZO1 were significantly increased in inflamed pulp tissues, while PIEZO2 was significantly decreased, which was further confirmed in GSE77459 and on a protein and histological level. The positive correlation of the mRNA expression levels between PIEZO1 and inflammatory markers, as well as between PIEZO2 and pain markers, was verified. PIEZO2 expression was also positively correlated with pain levels. Besides, irreversible pulpitis patients who reported continuous pain and who detected a positive response to cold stimulus exhibited a higher expression level of PIEZO2 in the inflamed pulp tissues. By contrast, patients reporting pain duration of more than one week showed a higher expression level of PIEZO1. CONCLUSIONS This study demonstrated the upregulation of PIEZO1 and the downregulation of PIEZO2 in irreversible pulpitis and revealed the potential relation of PIEZO1 and PIEZO2 to inflammation and pain. These findings suggested that PIEZOs might play critical roles in the progression of irreversible pulpitis and paved the way for further investigations aimed at novel therapies of irreversible pulpitis by targeting PIEZOs.
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Affiliation(s)
- Wenying Yang
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Lu Lin
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Shucheng Hu
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Bin Jiang
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Ruhan Yang
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Weijun Yu
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Jiaqi Tang
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Dan Zhao
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China
| | - Yuting Gu
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
| | - Min Jin
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
| | - Jin Li
- Department of Ophthalmology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
| | - Eryi Lu
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, 200127, China.
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13
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Uchinuma M, Taketani Y, Kanaya R, Yamane Y, Shiota K, Suzuki R, Ishii M, Inomata M, Hayashi J, Shin K. Role of Piezo1 in modulating the RANKL/OPG ratio in mouse osteoblast cells exposed to Porphyromonas gingivalis lipopolysaccharide and mechanical stress. J Periodontal Res 2024. [PMID: 38623787 DOI: 10.1111/jre.13265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 03/19/2024] [Accepted: 03/24/2024] [Indexed: 04/17/2024]
Abstract
AIMS Excessive occlusal force with periodontitis leads to rapid alveolar bone resorption. However, the molecular mechanism by which inflammation and mechanical stress cause bone resorption remains unclear. We examined the role of Piezo1, a mechanosensitive ion channel expressed on osteoblasts, in the changes in the receptor activator of nuclear factor-kappa B ligand (RANKL)/osteoprotegerin (OPG) ratio in mouse MC3T3-E1 osteoblast-like cells under Porphyromonas gingivalis lipopolysaccharide (P.g.-LPS) and mechanical stress. METHODS To investigate the effect of P.g.-LPS and mechanical stress on the RANKL/OPG ratio and Piezo1 expression, we stimulated MC3T3-E1 cells with P.g.-LPS. After 3 days in culture, shear stress, a form of mechanical stress, was applied to the cells using an orbital shaker. Subsequently, to investigate the role of Piezo1 in the change of RANKL/OPG ratio, we inhibited Piezo1 function by knockdown via Piezo1 siRNA transfection or by adding GsMTx4, a Piezo1 antagonist. RESULTS The RANKL/OPG ratio significantly increased in MC3T3-E1 cells cultured in a medium containing P.g.-LPS and undergoing mechanical stress compared to cells treated with P.g.-LPS or mechanical stress alone. However, the expression of Piezo1 was not increased by P.g.-LPS and mechanical stress. In addition, phosphorylation of MEK/ERK was induced in the cells under P.g.-LPS and mechanical stress. MC3T3-E1 cells treated with P.g.-LPS and mechanical stress when cocultured with RAW264.7 cells induced their differentiation into osteoclast-like cells. The increased RANKL/OPG ratio was suppressed by either Piezo1 knockdown or the addition of GsMTx4. Furthermore, GsMTx4 inhibited the phosphorylation of MEK/ERK. CONCLUSION These findings suggest that P.g.-LPS and Piezo1-mediated mechanical stress induce MEK/ERK phosphorylation and increase RANKL expression in osteoblasts. Consequently, this leads to the differentiation of osteoclast precursor cells into osteoclasts.
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Affiliation(s)
- Mabuki Uchinuma
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Yoshimasa Taketani
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Risako Kanaya
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Yusuke Yamane
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Koichiro Shiota
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Reiji Suzuki
- Division of Oral Rehabilitation, Department of Restorative & Biomaterials Sciences, Meikai University School of Dentistry, Sakado, Japan
| | - Makiko Ishii
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Megumi Inomata
- Division of Microbiology and Immunology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Joichiro Hayashi
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
| | - Kitetsu Shin
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, Japan
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14
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Csemer A, Sokvári C, Maamrah B, Szabó L, Korpás K, Pocsai K, Pál B. Pharmacological Activation of Piezo1 Channels Enhances Astrocyte-Neuron Communication via NMDA Receptors in the Murine Neocortex. Int J Mol Sci 2024; 25:3994. [PMID: 38612801 PMCID: PMC11012114 DOI: 10.3390/ijms25073994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/28/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
The Piezo1 mechanosensitive ion channel is abundant on several elements of the central nervous system including astrocytes. It has been already demonstrated that activation of these channels is able to elicit calcium waves on astrocytes, which contributes to the release of gliotransmitters. Astrocyte- and N-methyl-D-aspartate (NMDA) receptor-dependent slow inward currents (SICs) are hallmarks of astrocyte-neuron communication. These currents are triggered by glutamate released as gliotransmitter, which in turn activates neuronal NMDA receptors responsible for this inward current having slower kinetics than any synaptic events. In this project, we aimed to investigate whether Piezo1 activation and inhibition is able to alter spontaneous SIC activity of murine neocortical pyramidal neurons. When the Piezo1 opener Yoda1 was applied, the SIC frequency and the charge transfer by these events in a minute time was significantly increased. These changes were prevented by treating the preparations with the NMDA receptor inhibitor D-AP5. Furthermore, Yoda1 did not alter the spontaneous EPSC frequency and amplitude when SICs were absent. The Piezo1 inhibitor Dooku1 effectively reverted the actions of Yoda1 and decreased the rise time of SICs when applied alone. In conclusion, activation of Piezo1 channels is able to alter astrocyte-neuron communication. Via enhancement of SIC activity, astrocytic Piezo1 channels have the capacity to determine neuronal excitability.
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Affiliation(s)
- Andrea Csemer
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
| | - Cintia Sokvári
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
| | - Baneen Maamrah
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
| | - László Szabó
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
- HUN-REN DE Cell Physiology Research Group, H-4032 Debrecen, Hungary
| | - Kristóf Korpás
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
| | - Krisztina Pocsai
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
| | - Balázs Pál
- Department of Physiology, Faculty of Medicine, University of Debrecen, H-4002 Debrecen, Hungary; (A.C.); (C.S.); (B.M.); (K.K.); (K.P.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4012 Debrecen, Hungary;
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15
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Ullah G, Nosyreva ED, Thompson D, Cuello VA, Cuello LG, Syeda R. Analysis of pressure-activated Piezo1 open and subconductance states at a single channel level. J Biol Chem 2024; 300:107156. [PMID: 38479601 PMCID: PMC11007442 DOI: 10.1016/j.jbc.2024.107156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/24/2024] [Accepted: 03/06/2024] [Indexed: 04/12/2024] Open
Abstract
Mechanically activated Piezo1 channels undergo transitions from closed to open-state in response to pressure and other mechanical stimuli. However, the molecular details of these mechanosensitive gating transitions are unknown. Here, we used cell-attached pressure-clamp recordings to acquire single channel data at steady-state conditions (where inactivation has settled down), at various pressures and voltages. Importantly, we identify and analyze subconductance states of the channel which were not reported before. Pressure-dependent activation of Piezo1 increases the occupancy of open and subconductance state at the expense of decreased occupancy of shut-states. No significant change in the mean open time of subconductance states was observed with increasing negative pipette pressure or with varying voltages (ranging from -40 to -100 mV). Using Markov-chain modeling, we identified a minimal four-states kinetic scheme, which recapitulates essential characteristics of the single channel data, including that of the subconductance level. This study advances our understanding of Piezo1-gating mechanism in response to discrete stimuli (such as pressure and voltage) and paves the path to develop cellular and tissue level models to predict Piezo1 function in various cell types.
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Affiliation(s)
- Ghanim Ullah
- Department of Physics, University of South Florida, Tampa, Florida, USA
| | - Elena D Nosyreva
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - David Thompson
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Victoria A Cuello
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Luis G Cuello
- Department of Cell Physiology and Molecular Biophysics, TTUHSC, Lubbock, Texas, USA
| | - Ruhma Syeda
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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16
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Jiang Y, Lin H, Chen Y, Lan Y, Wang H, Li T, Hu Z, Zou S. Piezo1 contributes to alveolar bone remodeling by activating β-catenin under compressive stress. Am J Orthod Dentofacial Orthop 2024; 165:458-470. [PMID: 38189707 DOI: 10.1016/j.ajodo.2023.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 10/01/2023] [Accepted: 10/01/2023] [Indexed: 01/09/2024]
Abstract
INTRODUCTION The mechanosensitive ion channel, Piezo1, is responsible for transducing mechanical stimuli into intracellular biochemical signals and has been identified within periodontal ligament cells (PDLCs). Nonetheless, the precise biologic function of Piezo1 in the regulation of alveolar bone remodeling by PDLCs during compressive forces remains unclear. Therefore, this study focused on elucidating the role of the Piezo1 channel in alveolar bone remodeling and uncovering its underlying mechanisms. METHODS PDLCs were subjected to compressive force and Piezo1 inhibitors. Piezo1 and β-catenin expressions were quantified by quantitative reverse transcription polymerase chain reaction and Western blot. The intracellular calcium concentration was measured using Fluo-8 AM staining. The osteogenic and osteoclastic activities were assessed using alkaline phosphatase staining, enzyme-linked immunosorbent assay, quantitative reverse transcription polymerase chain reaction, and Western blot. In vivo, orthodontic tooth movement was used to determine the effects of Piezo1 on alveolar bone remodeling. RESULTS Piezo1 and activated β-catenin expressions were upregulated under compressive force. Piezo1 inhibition reduced β-catenin activation, osteogenic differentiation, and osteoclastic activities. β-catenin knockdown reversed the increased osteogenic differentiation but had little impact on osteoclastic activities. In vivo, Piezo1 inhibition led to decreased tooth movement distance, accompanied by reduced β-catenin activation and expression of osteogenic and osteoclastic markers on the compression side. CONCLUSIONS The Piezo1 channel is a key mechanotransduction component of PDLCs that senses compressive force and activates β-catenin to regulate alveolar bone remodeling.
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Affiliation(s)
- Yukun Jiang
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hengyi Lin
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yiling Chen
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuanchen Lan
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Han Wang
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Tiancheng Li
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; College of Stomatology, Shanghai Jiao Tong University, Shanghai, China; National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Zhiai Hu
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Shujuan Zou
- Department of Orthodontics, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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17
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Miura T, Etani Y, Noguchi T, Hirao M, Takami K, Goshima A, Kurihara T, Fukuda Y, Ochiai N, Kanamoto T, Nakata K, Okada S, Ebina K. Iguratimod suppresses sclerostin and receptor activator of NF-κB ligand production via the extracellular signal-regulated kinase/early growth response protein 1/tumor necrosis factor alpha pathway in osteocytes and ameliorates disuse osteoporosis in mice. Bone 2024; 181:117026. [PMID: 38325651 DOI: 10.1016/j.bone.2024.117026] [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: 11/22/2023] [Revised: 01/07/2024] [Accepted: 01/28/2024] [Indexed: 02/09/2024]
Abstract
Disuse osteoporosis is a prevalent complication among patients afflicted with rheumatoid arthritis (RA). Although reports have shown that the antirheumatic drug iguratimod (IGU) ameliorates osteoporosis in RA patients, details regarding its effects on osteocytes remain unclear. The current study examined the effects of IGU on osteocytes using a mouse model of disuse-induced osteoporosis, the pathology of which crucially involves osteocytes. A reduction in distal femur bone mass was achieved after 3 weeks of hindlimb unloading in mice, which was subsequently reversed by intraperitoneal IGU treatment (30 mg/kg; five times per week). Histology revealed that hindlimb-unloaded (HLU) mice had significantly increased osteoclast number and sclerostin-positive osteocyte rates, which were suppressed by IGU treatment. Moreover, HLU mice exhibited a significant decrease in osteocalcin-positive cells, which was attenuated by IGU treatment. In vitro, IGU suppressed the gene expression of receptor activator of NF-κB ligand (RANKL) and sclerostin in MLO-Y4 and Saos-2 cells, which inhibited osteoclast differentiation of mouse bone marrow cells in cocultures. Although IGU did not affect the nuclear translocation or transcriptional activity of NF-κB, RNA sequencing revealed that IGU downregulated the expression of early growth response protein 1 (EGR1) in osteocytes. HLU mice showed significantly increased EGR1- and tumor necrosis factor alpha (TNFα)-positive osteocyte rates, which were decreased by IGU treatment. EGR1 overexpression enhanced the gene expression of TNFα, RANKL, and sclerostin in osteocytes, which was suppressed by IGU. Contrarily, small interfering RNA-mediated suppression of EGR1 downregulated RANKL and sclerostin gene expression. These findings indicate that IGU inhibits the expression of EGR1, which may downregulate TNFα and consequently RANKL and sclerostin in osteocytes. These mechanisms suggest that IGU could potentially be used as a treatment option for disuse osteoporosis by targeting osteocytes.
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Affiliation(s)
- Taihei Miura
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Yuki Etani
- Department of Musculoskeletal Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Takaaki Noguchi
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Makoto Hirao
- Department of Orthopaedic Surgery, National Hospital Organization Osaka Minami Medical Center, 2-1 Kidohigashimachi, Kawachinagano, Osaka 586-8521, Japan
| | - Kenji Takami
- Department of Orthopaedic Surgery, Nippon Life Hospital, 2-1-54 Enokojima, Nishi-ku, Osaka, Osaka 550-0006, Japan
| | - Atsushi Goshima
- Department of Orthopaedic Surgery, Osaka Rosai Hospital, 1179-3 Nagasone-cho, Kita-ku, Sakai, Osaka 591-8025, Japan
| | - Takuya Kurihara
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Yuji Fukuda
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Nagahiro Ochiai
- Department of Musculoskeletal Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Takashi Kanamoto
- Department of Health and Sport Sciences, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Ken Nakata
- Department of Health and Sport Sciences, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Seiji Okada
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Kosuke Ebina
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan; Department of Musculoskeletal Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan.
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18
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Kwon Y. YAP/TAZ as Molecular Targets in Skeletal Muscle Atrophy and Osteoporosis. Aging Dis 2024:AD.2024.0306. [PMID: 38502585 DOI: 10.14336/ad.2024.0306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/06/2024] [Indexed: 03/21/2024] Open
Abstract
Skeletal muscles and bones are closely connected anatomically and functionally. Age-related degeneration in these tissues is associated with physical disability in the elderly and significantly impacts their quality of life. Understanding the mechanisms of age-related musculoskeletal tissue degeneration is crucial for identifying molecular targets for therapeutic interventions for skeletal muscle atrophy and osteoporosis. The Hippo pathway is a recently identified signaling pathway that plays critical roles in development, tissue homeostasis, and regeneration. The Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are key downstream effectors of the mammalian Hippo signaling pathway. This review highlights the fundamental roles of YAP and TAZ in the homeostatic maintenance and regeneration of skeletal muscles and bones. YAP/TAZ play a significant role in stem cell function by relaying various environmental signals to stem cells. Skeletal muscle atrophy and osteoporosis are related to stem cell dysfunction or senescence triggered by YAP/TAZ dysregulation resulting from reduced mechanosensing and mitochondrial function in stem cells. In contrast, the maintenance of YAP/TAZ activation can suppress stem cell senescence and tissue dysfunction and may be used as a basis for the development of potential therapeutic strategies. Thus, targeting YAP/TAZ holds significant therapeutic potential for alleviating age-related muscle and bone dysfunction and improving the quality of life in the elderly.
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Buck HV, Stains JP. Osteocyte-mediated mechanical response controls osteoblast differentiation and function. Front Physiol 2024; 15:1364694. [PMID: 38529481 PMCID: PMC10961341 DOI: 10.3389/fphys.2024.1364694] [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: 01/02/2024] [Accepted: 02/29/2024] [Indexed: 03/27/2024] Open
Abstract
Low bone mass is a pervasive global health concern, with implications for osteoporosis, frailty, disability, and mortality. Lifestyle factors, including sedentary habits, metabolic dysfunction, and an aging population, contribute to the escalating prevalence of osteopenia and osteoporosis. The application of mechanical load to bone through physical activity and exercise prevents bone loss, while sufficient mechanical load stimulates new bone mass acquisition. Osteocytes, cells embedded within the bone, receive mechanical signals and translate these mechanical cues into biological signals, termed mechano-transduction. Mechano-transduction signals regulate other bone resident cells, such as osteoblasts and osteoclasts, to orchestrate changes in bone mass. This review explores the mechanisms through which osteocyte-mediated response to mechanical loading regulates osteoblast differentiation and bone formation. An overview of bone cell biology and the impact of mechanical load will be provided, with emphasis on the mechanical cues, mechano-transduction pathways, and factors that direct progenitor cells toward the osteoblast lineage. While there are a wide range of clinically available treatments for osteoporosis, the majority act through manipulation of the osteoclast and may have significant disadvantages. Despite the central role of osteoblasts to the deposition of new bone, few therapies directly target osteoblasts for the preservation of bone mass. Improved understanding of the mechanisms leading to osteoblastogenesis may reveal novel targets for translational investigation.
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Affiliation(s)
| | - Joseph Paul Stains
- School of Medicine, University of Maryland, Baltimore, MD, United States
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20
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Liu Z, Luo X, Xu R. Interaction between immuno-stem dual lineages in jaw bone formation and injury repair. Front Cell Dev Biol 2024; 12:1359295. [PMID: 38510177 PMCID: PMC10950953 DOI: 10.3389/fcell.2024.1359295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/26/2024] [Indexed: 03/22/2024] Open
Abstract
The jawbone, a unique structure in the human body, undergoes faster remodeling than other bones due to the presence of stem cells and its distinct immune microenvironment. Long-term exposure of jawbones to an oral environment rich in microbes results in a complex immune balance, as shown by the higher proportion of activated macrophage in the jaw. Stem cells derived from the jawbone have a higher propensity to differentiate into osteoblasts than those derived from other bones. The unique immune microenvironment of the jaw also promotes osteogenic differentiation of jaw stem cells. Here, we summarize the various types of stem cells and immune cells involved in jawbone reconstruction. We describe the mechanism relationship between immune cells and stem cells, including through the production of inflammatory bodies, secretion of cytokines, activation of signaling pathways, etc. In addition, we also comb out cellular interaction of immune cells and stem cells within the jaw under jaw development, homeostasis maintenance and pathological conditions. This review aims to eclucidate the uniqueness of jawbone in the context of stem cell within immune microenvironment, hopefully advancing clinical regeneration of the jawbone.
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Affiliation(s)
| | | | - Ruoshi Xu
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases and Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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21
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Ahmad M, Haffner-Luntzer M, Schoppa A, Najafova Z, Lukic T, Yorgan TA, Amling M, Schinke T, Ignatius A. Mechanical induction of osteoanabolic Wnt1 promotes osteoblast differentiation via Plat. FASEB J 2024; 38:e23489. [PMID: 38407813 DOI: 10.1096/fj.202301424rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 01/04/2024] [Accepted: 01/30/2024] [Indexed: 02/27/2024]
Abstract
Physical activity-induced mechanical stimuli play a crucial role in preserving bone mass and structure by promoting bone formation. While the Wnt pathway is pivotal for mediating the osteoblast response to loading, the exact mechanisms are not fully understood. Here, we found that mechanical stimulation induces osteoblastic Wnt1 expression, resulting in an upregulation of key osteogenic marker genes, including Runx2 and Sp7, while Wnt1 knockdown using siRNA prevented these effects. RNAseq analysis identified Plat as a major target through which Wnt1 exerts its osteogenic influence. This was corroborated by Plat depletion using siRNA, confirming its positive role in osteogenic differentiation. Moreover, we demonstrated that mechanical stimulation enhances Plat expression, which, in turn leads to increased expression of osteogenic markers like Runx2 and Sp7. Notably, Plat depletion by siRNA prevented this effect. We have established that Wnt1 regulates Plat expression by activating β-Catenin. Silencing Wnt1 impairs mechanically induced β-Catenin activation, subsequently reducing Plat expression. Furthermore, our findings showed that Wnt1 is essential for osteoblasts to respond to mechanical stimulation and induce Runx2 and Sp7 expression, in part through the Wnt1/β-Catenin/Plat signaling pathway. Additionally, we observed significantly reduced Wnt1 and Plat expression in bones from ovariectomy (OVX)-induced and age-related osteoporotic mouse models compared with non-OVX and young mice, respectively. Overall, our data suggested that Wnt1 and Plat play significant roles in mechanically induced osteogenesis. Their decreased expression in bones from OVX and aged mice highlights their potential involvement in post-menopausal and age-related osteoporosis, respectively.
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Affiliation(s)
- Mubashir Ahmad
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | - Melanie Haffner-Luntzer
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | - Astrid Schoppa
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
| | | | - Teodora Lukic
- Robert Bosch Center for Tumor Diseases, Stuttgart, Germany
| | - Timur Alexander Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Ulm, Germany
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22
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Brylka LJ, Alimy AR, Tschaffon-Müller MEA, Jiang S, Ballhause TM, Baranowsky A, von Kroge S, Delsmann J, Pawlus E, Eghbalian K, Püschel K, Schoppa A, Haffner-Luntzer M, Beech DJ, Beil FT, Amling M, Keller J, Ignatius A, Yorgan TA, Rolvien T, Schinke T. Piezo1 expression in chondrocytes controls endochondral ossification and osteoarthritis development. Bone Res 2024; 12:12. [PMID: 38395992 PMCID: PMC10891122 DOI: 10.1038/s41413-024-00315-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/18/2023] [Accepted: 01/01/2024] [Indexed: 02/25/2024] Open
Abstract
Piezo proteins are mechanically activated ion channels, which are required for mechanosensing functions in a variety of cell types. While we and others have previously demonstrated that the expression of Piezo1 in osteoblast lineage cells is essential for bone-anabolic processes, there was only suggestive evidence indicating a role of Piezo1 and/or Piezo2 in cartilage. Here we addressed the question if and how chondrocyte expression of the mechanosensitive proteins Piezo1 or Piezo2 controls physiological endochondral ossification and pathological osteoarthritis (OA) development. Mice with chondrocyte-specific inactivation of Piezo1 (Piezo1Col2a1Cre), but not of Piezo2, developed a near absence of trabecular bone below the chondrogenic growth plate postnatally. Moreover, all Piezo1Col2a1Cre animals displayed multiple fractures of rib bones at 7 days of age, which were located close to the growth plates. While skeletal growth was only mildly affected in these mice, OA pathologies were markedly less pronounced compared to littermate controls at 60 weeks of age. Likewise, when OA was induced by anterior cruciate ligament transection, only the chondrocyte inactivation of Piezo1, not of Piezo2, resulted in attenuated articular cartilage degeneration. Importantly, osteophyte formation and maturation were also reduced in Piezo1Col2a1Cre mice. We further observed increased Piezo1 protein abundance in cartilaginous zones of human osteophytes. Finally, we identified Ptgs2 and Ccn2 as potentially relevant Piezo1 downstream genes in chondrocytes. Collectively, our data do not only demonstrate that Piezo1 is a critical regulator of physiological and pathological endochondral ossification processes, but also suggest that Piezo1 antagonists may be established as a novel approach to limit osteophyte formation in OA.
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Affiliation(s)
- Laura J Brylka
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Assil-Ramin Alimy
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Miriam E A Tschaffon-Müller
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Baden-Württemberg, 89081, Ulm, Germany
| | - Shan Jiang
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Tobias Malte Ballhause
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Anke Baranowsky
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Simon von Kroge
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Julian Delsmann
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Eva Pawlus
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Kian Eghbalian
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Klaus Püschel
- Department Legal Medicine, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Astrid Schoppa
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Baden-Württemberg, 89081, Ulm, Germany
| | - Melanie Haffner-Luntzer
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Baden-Württemberg, 89081, Ulm, Germany
| | - David J Beech
- Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, LS2 9JT, Leeds, UK
| | - Frank Timo Beil
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Johannes Keller
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, University Medical Center Ulm, Baden-Württemberg, 89081, Ulm, Germany
| | - Timur A Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Tim Rolvien
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.
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23
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Chen G, Li Y, Zhang H, Xie H. [Role of Piezo mechanosensitive ion channels in the osteoarticular system]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2024; 38:240-248. [PMID: 38385239 PMCID: PMC10882244 DOI: 10.7507/1002-1892.202310092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Objective To summarize the role of Piezo mechanosensitive ion channels in the osteoarticular system, in order to provide reference for subsequent research. Methods Extensive literature review was conducted to summarize the structural characteristics, gating mechanisms, activators and blockers of Piezo ion channels, as well as their roles in the osteoarticular systems. Results The osteoarticular system is the main load-bearing and motor tissue of the body, and its ability to perceive and respond to mechanical stimuli is one of the guarantees for maintaining normal physiological functions of bones and joints. The occurrence and development of many osteoarticular diseases are closely related to abnormal mechanical loads. At present, research shows that Piezo mechanosensitive ion channels differentiate towards osteogenesis by responding to stretching stimuli and regulating cellular Ca 2+ influx signals; and it affects the proliferation and migration of osteoblasts, maintaining bone homeostasis through cellular communication between osteoblasts-osteoclasts. Meanwhile, Piezo1 protein can indirectly participate in regulating the formation and activity of osteoclasts through its host cells, thereby regulating the process of bone remodeling. During mechanical stimulation, the Piezo1 ion channel maintains bone homeostasis by regulating the expressions of Akt and Wnt1 signaling pathways. The sensitivity of Piezo1/2 ion channels to high strain mechanical signals, as well as the increased sensitivity of Piezo1 ion channels to mechanical transduction mediated by Ca 2+ influx and inflammatory signals in chondrocytes, is expected to become a new entry point for targeted prevention and treatment of osteoarthritis. But the specific way mechanical stimuli regulate the physiological/pathological processes of bones and joints still needs to be clarified. Conclusion Piezo mechanosensitive ion channels give the osteoarticular system with important abilities to perceive and respond to mechanical stress, playing a crucial mechanical sensing role in its cellular fate, bone development, and maintenance of bone and cartilage homeostasis.
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Affiliation(s)
- Guohui Chen
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Yaxing Li
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Hui Zhang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Huiqi Xie
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
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24
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Du Y, Xu B, Li Q, Peng C, Yang K. The role of mechanically sensitive ion channel Piezo1 in bone remodeling. Front Bioeng Biotechnol 2024; 12:1342149. [PMID: 38390363 PMCID: PMC10882629 DOI: 10.3389/fbioe.2024.1342149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/16/2024] [Indexed: 02/24/2024] Open
Abstract
Piezo1 (2010) was identified as a mechanically activated cation channel capable of sensing various physical forces, such as tension, osmotic pressure, and shear force. Piezo1 mediates mechanosensory transduction in different organs and tissues, including its role in maintaining bone homeostasis. This review aimed to summarize the function and possible mechanism of Piezo1 in the mechanical receptor cells in bone tissue. We found that it is a potential therapeutic target for the treatment of bone diseases.
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Affiliation(s)
- Yugui Du
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Bowen Xu
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Quiying Li
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Chuhan Peng
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Kai Yang
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
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25
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Ma J, Fan H, Geng H. Distinct and overlapping functions of YAP and TAZ in tooth development and periodontal homeostasis. Front Cell Dev Biol 2024; 11:1281250. [PMID: 38259513 PMCID: PMC10800899 DOI: 10.3389/fcell.2023.1281250] [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: 08/22/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
Orthodontic tooth movement (OTM) involves mechanical-biochemical signal transduction, which results in tissue remodeling of the tooth-periodontium complex and the movement of orthodontic teeth. The dynamic regulation of osteogenesis and osteoclastogenesis serves as the biological basis for remodeling of the periodontium, and more importantly, the prerequisite for establishing periodontal homeostasis. Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are key effectors of the Hippo signaling pathway, which actively respond to mechanical stimuli during tooth movement. Specifically, they participate in translating mechanical into biochemical signals, thereby regulating periodontal homeostasis, periodontal remodeling, and tooth development. YAP and TAZ have widely been considered as key factors to prevent dental dysplasia, accelerate orthodontic tooth movement, and shorten treatment time. In this review, we summarize the functions of YAP and TAZ in regulating tooth development and periodontal remodeling, with the aim to gain a better understanding of their mechanisms of action and provide insights into maintaining proper tooth development and establishing a healthy periodontal and alveolar bone environment. Our findings offer novel perspectives and directions for targeted clinical treatments. Moreover, considering the similarities and differences in the development, structure, and physiology between YAP and TAZ, these molecules may exhibit functional variations in specific regulatory processes. Hence, we pay special attention to their distinct roles in specific regulatory functions to gain a comprehensive and profound understanding of their contributions.
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Affiliation(s)
- Jing Ma
- Department of Oral Medicine, Weifang Medical University, Weifang, Shandong, China
| | - Haixia Fan
- Department of Oral Medicine, Jining Medical University, Jining, Shandong, China
| | - Haixia Geng
- Department of Orthodontics, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
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Chen Y, Chen Y, Xie Z, Yang Y, Chen S, Han T, Li M, Guo Z, Sun N, Wang C. A Biomimetic Nanogenerator to Enhance Bone Regeneration by Restoring Electric Microenvironments. ACS Biomater Sci Eng 2024; 10:525-536. [PMID: 38099722 DOI: 10.1021/acsbiomaterials.3c01357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Piezoelectric materials have received increasing attention in bone regeneration due to their prominent role in bioelectricity in bone homeostasis. This study aimed to develop bioactive barium titanate-chitosan-graphene oxide piezoelectric nanoparticles (BCG-NPs) to improve biocompatibility and stimulate bone repair. Butterfly loops, hysteresis loops, and in vitro microcurrent studies on BCG-NPs confirmed their good piezoelectric properties. BCG-NPs exhibited enhanced alkaline phosphatase activity, mineralized nodule formation, and expression of osteogenic-associated proteins and genes in human umbilical cord Wharton's jelly-derived mesenchymal stem cells by creating microelectric environments in response to noninvasive ultrasound stimulation. Further, BCG-NPs upregulated intracellular calcium ions via electrical stimulation. They acted synergistically with piezo-type mechanosensitive ion channel component 1 and calcium-permeable cation channel transient receptor potential vanilloid 4 to activate osteogenic differentiation. In conclusion, ultrasound-assisted BCG-NPs created a microelectric environment that putatively promoted bone repair in a noninvasive manner.
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Affiliation(s)
- Yiyi Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Yuhong Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Zhe Xie
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Yuchen Yang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Siyuan Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Tianlei Han
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Miaomiao Li
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Zhengnong Guo
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Nuo Sun
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
| | - Chen Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 1 Shanghai Road, Nanjing 210029, China
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Wang W, Zheng X, Wang H, Zuo B, Chen S, Li J. Mechanical Unloading Promotes Osteoclastic Differentiation and Bone Resorption by Modulating the MSC Secretome to Favor Inflammation. Cell Transplant 2024; 33:9636897241236584. [PMID: 38501500 PMCID: PMC10953070 DOI: 10.1177/09636897241236584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 03/20/2024] Open
Abstract
Aging, space flight, and prolonged bed rest have all been linked to bone loss, and no effective treatments are clinically available at present. Here, with the rodent hindlimb unloading (HU) model, we report that the bone marrow (BM) microenvironment was significantly altered, with an increased number of myeloid cells and elevated inflammatory cytokines. In such inflammatory BM, the osteoclast-mediated bone resorption was greatly enhanced, leading to a shifted bone remodeling balance that ultimately ends up with disuse-induced osteoporosis. Using Piezo1 conditional knockout (KO) mice (Piezo1fl/fl;LepRCre), we proved that lack of mechanical stimuli on LepR+ mesenchymal stem cells (MSCs) is the main reason for the pathological BM inflammation. Mechanically, the secretome of MSCs was regulated by mechanical stimuli. Inadequate mechanical load leads to increased production of inflammatory cytokines, such as interleukin (IL)-1α, IL-6, macrophage colony-stimulating factor 1 (M-CSF-1), and so on, which promotes monocyte proliferation and osteoclastic differentiation. Interestingly, transplantation of 10% cyclic mechanical stretch (CMS)-treated MSCs into HU animals significantly alleviated the BM microenvironment and rebalanced bone remodeling. In summary, our research revealed a new mechanism underlying mechanical unloading-induced bone loss and suggested a novel stem cell-based therapy to potentially prevent disuse-induced osteoporosis.
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Affiliation(s)
- Wanyuji Wang
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
| | - Xueling Zheng
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
| | - Hehe Wang
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
| | - Bin Zuo
- Department of Orthopedic Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Sisi Chen
- Department of Orthopedic Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jiao Li
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
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Tranter JD, Kumar A, Nair VK, Sah R. Mechanosensing in Metabolism. Compr Physiol 2023; 14:5269-5290. [PMID: 38158369 DOI: 10.1002/cphy.c230005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Electrical mechanosensing is a process mediated by specialized ion channels, gated directly or indirectly by mechanical forces, which allows cells to detect and subsequently respond to mechanical stimuli. The activation of mechanosensitive (MS) ion channels, intrinsically gated by mechanical forces, or mechanoresponsive (MR) ion channels, indirectly gated by mechanical forces, results in electrical signaling across lipid bilayers, such as the plasma membrane. While the functions of mechanically gated channels within a sensory context (e.g., proprioception and touch) are well described, there is emerging data demonstrating functions beyond touch and proprioception, including mechanoregulation of intracellular signaling and cellular/systemic metabolism. Both MR and MS ion channel signaling have been shown to contribute to the regulation of metabolic dysfunction, including obesity, insulin resistance, impaired insulin secretion, and inflammation. This review summarizes our current understanding of the contributions of several MS/MR ion channels in cell types implicated in metabolic dysfunction, namely, adipocytes, pancreatic β-cells, hepatocytes, and skeletal muscle cells, and discusses MS/MR ion channels as possible therapeutic targets. © 2024 American Physiological Society. Compr Physiol 14:5269-5290, 2024.
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Affiliation(s)
- John D Tranter
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Ashutosh Kumar
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Vinayak K Nair
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Rajan Sah
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
- Center for Cardiovascular Research, Washington University, St. Louis, Missouri, USA
- St. Louis VA Medical Center, St. Louis, Missouri, USA
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Guan H, Wang W, Jiang Z, Zhang B, Ye Z, Zheng J, Chen W, Liao Y, Zhang Y. Magnetic Aggregation-Induced Bone-Targeting Nanocarrier with Effects of Piezo1 Activation and Osteogenic-Angiogenic Coupling for Osteoporotic Bone Repair. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2312081. [PMID: 38102981 DOI: 10.1002/adma.202312081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/07/2023] [Indexed: 12/17/2023]
Abstract
Osteoporosis, characterized by an imbalance in bone homeostasis, is a global health concern. Bone defects are difficult to heal in patients with osteoporosis. Classical drug treatments for osteoporotic bone defects have unsatisfactory efficacy owing to side effects and imprecise delivery problems. In this study, a magnetic aggregation-induced bone-targeting poly(lactic-co-glycolic acid, PLGA)-based nanocarrier (ZOL-PLGA@Yoda1/SPIO) is synthesized to realize dual-targeted delivery and precise Piezo1-activated therapy for osteoporotic bone defects. Piezo1 is an important mechanotransducer that plays a key role in regulating bone homeostasis. To achieve dual-targeting properties, ZOL-PLGA@Yoda1/SPIO is fabricated using zoledronate (ZOL)-decorated PLGA, superparamagnetic iron oxide (SPIO), and Piezo1-activated molecule Yoda1 via the emulsion solvent diffusion method. Bone-targeting molecular mediation and magnetic aggregation-induced properties can jointly and effectively achieve precise delivery to localized bone defects. Moreover, Yoda1 loading enables targeted and efficient mimicking of mechanical signals and activation of Piezo1. Experiments in vivo and in vitro demonstrate that ZOL-PLGA@Yoda1/SPIO can activate Piezo1 in bone defect areas of osteoporotic mice, improve osteogenesis through YAP/β-catenin signaling axis, promote a well-coordinated osteogenesis-angiogenesis coupling, and significantly accelerate bone reconstruction within the defects without noticeable side effects. Overall, this novel dual-targeting nanocarrier provides a potentially effective strategy for the clinical treatment of osteoporotic bone defects.
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Affiliation(s)
- Haitao Guan
- The School of Medicine, Nankai University, Tianjin, 300071, China
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050051, China
| | - Wei Wang
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Zichao Jiang
- Department of Orthopedics, Xiangya Hospital of Central South University, Changsha, Hunan, 410008, China
| | - Boyu Zhang
- The School of Medicine, Nankai University, Tianjin, 300071, China
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050051, China
| | - Zhipeng Ye
- The School of Medicine, Nankai University, Tianjin, 300071, China
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050051, China
| | - Judun Zheng
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Wei Chen
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050051, China
- Orthopaedic Research Institute of Hebei Province, Shijiazhuang, 050051, China
| | - Yuhui Liao
- Molecular Diagnosis and Treatment Center for Infectious Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Yingze Zhang
- The School of Medicine, Nankai University, Tianjin, 300071, China
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050051, China
- Orthopaedic Research Institute of Hebei Province, Shijiazhuang, 050051, China
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Guo Q, Chen N, Patel K, Wan M, Zheng J, Cao X. Unloading-Induced Skeletal Interoception Alters Hypothalamic Signaling to Promote Bone Loss and Fat Metabolism. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2305042. [PMID: 37880864 PMCID: PMC10724445 DOI: 10.1002/advs.202305042] [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: 07/23/2023] [Revised: 10/02/2023] [Indexed: 10/27/2023]
Abstract
Microgravity is the primary factor that affects human physiology in spaceflight, particularly bone loss and disturbances of the central nervous system. However, little is known about the cellular and molecular mechanisms of these effects. Here, it is reported that in mice hindlimb unloading stimulates expression of neuropeptide Y (NPY) and tyrosine hydroxylase (TH) in the hypothalamus, resulting in bone loss and altered fat metabolism. Enhanced expression of TH and NPY in the hypothalamus occurs downstream of a reduced prostaglandin E2 (PGE2)-mediated ascending interoceptive signaling of the skeletal interoception. Sympathetic antagonist propranolol or deletion of Adrb2 in osteocytes rescue bone loss in the unloading model. Moreover, depletion of TH+ sympathetic nerves or inhibition of norepinephrine release ameliorated bone resorption. Stereotactic inhibition of NPY expression in the hypothalamic neurons reduces the food intake with altered energy expenditure with a limited effect on bone, indicating hypothalamic neuroendocrine factor NPY in the facilitation of bone formation by sympathetic TH activity. These findings suggest that reduced PGE2-mediated interoceptive signaling in response to microgravity or unloading has impacts on the skeletal and central nervous systems that are reciprocally regulated.
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Affiliation(s)
- Qiaoyue Guo
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
- Department of EndocrinologyEndocrinology Research CenterXiangya Hospital of Central South UniversityChangshaHunan410008China
| | - Ningrong Chen
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
| | - Kalp Patel
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
| | - Mei Wan
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
| | - Junying Zheng
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
| | - Xu Cao
- Department of Orthopedic SurgeryJohns Hopkins University School of MedicineBaltimoreMD21205USA
- Department of Biomedical EngineeringJohns Hopkins University School of MedicineBaltimoreMD21205USA
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Inoue S, Li C, Hatakeyama J, Jiang H, Kuroki H, Moriyama H. Higher-intensity ultrasound accelerates fracture healing via mechanosensitive ion channel Piezo1. Bone 2023; 177:116916. [PMID: 37777037 DOI: 10.1016/j.bone.2023.116916] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 10/02/2023]
Abstract
Osteoporosis-related fractures are a major public health problem. Mechanobiological stimulation utilizing low-intensity pulsed ultrasound (LIPUS) is the most widely accepted modality for accelerating fracture healing. However, recent evidence has demonstrated the ineffectiveness of LIPUS, and the biophysical mechanisms of ultrasound-induced bone formation also remain elusive. Here, we demonstrate that ultrasound at a higher intensity than LIPUS effectively accelerates fracture healing in a mouse osteoporotic fracture model. Higher-intensity ultrasound promoted chondrogenesis and hypertrophic differentiation of chondrocytes in the fracture callus. Higher-intensity ultrasound also increased osteoblasts and newly formed bone in the callus, resulting in accelerated endochondral ossification during fracture healing. In addition, we found that accelerated fracture healing by ultrasound exposure was attenuated when the mechanosensitive ion channel Piezo1 was inhibited by GsMTx4. Ultrasound-induced new bone formation in the callus was attenuated in fractured mice treated with GsMTx4. Similar results were also confirmed in a 3D osteocyte-osteoblast co-culture system, where osteocytic Piezo1 knockdown attenuated the expression of osteoblastic genes after ultrasound exposure. Together these results demonstrate that higher-intensity ultrasound than clinically used LIPUS can accelerate endochondral ossification after fractures. Furthermore, our results suggest that mechanotransduction via Piezo1 mediates ultrasound-stimulated fracture healing and bone formation.
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Affiliation(s)
- Shota Inoue
- Department of Rehabilitation Science, Graduate School of Health Sciences, Kobe University, Kobe, Japan
| | - Changxin Li
- Department of Rehabilitation Science, Graduate School of Health Sciences, Kobe University, Kobe, Japan
| | - Junpei Hatakeyama
- Department of Rehabilitation Science, Graduate School of Health Sciences, Kobe University, Kobe, Japan; Research Fellowship of the Japan Society for the Promotion of Science, Japan
| | - Hanlin Jiang
- Department of Rehabilitation Science, Graduate School of Health Sciences, Kobe University, Kobe, Japan
| | - Hiroshi Kuroki
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hideki Moriyama
- Life and Medical Sciences Area, Health Sciences Discipline, Kobe University, Kobe, Japan.
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Sugimoto A, Iwata K, Kurogoushi R, Tanaka M, Nakashima Y, Yamakawa Y, Oishi A, Yoshizaki K, Fukumoto S, Yamamoto A, Ishimaru N, Iwamoto T. C-terminus of PIEZO1 governs Ca 2+ influx and intracellular ERK1/2 signaling pathway in mechanotransduction. Biochem Biophys Res Commun 2023; 682:39-45. [PMID: 37801988 DOI: 10.1016/j.bbrc.2023.09.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 09/25/2023] [Indexed: 10/08/2023]
Abstract
Cells sense and respond to extracellular mechanical stress through mechanotransduction receptors and ion channels, which regulate cellular behaviors such as cell proliferation and differentiation. Among them, PIEZO1, piezo-type mechanosensitive ion channel component 1, has recently been highlighted as a mechanosensitive ion channel in various cell types including mesenchymal stem cells. We previously reported that PIEZO1 is essential for ERK1/2 phosphorylation and osteoblast differentiation in bone marrow-derived mesenchymal stem cells (BMSCs), induced by hydrostatic pressure loading and treatment with the PIEZO1-specific activator Yoda1. However, the molecular mechanism underlying how PIEZO1 induces mechanotransduction remains unclear. In this study, we investigated that the role of the C-terminus in regulating extracellular Ca2+ influx and activating the ERK1/2 signaling pathway. We observed the activation of Fluo-4 AM in the Yoda1-stimulated human BMSC line UE7T-13, but not in a calcium-depleted cell culture medium. Similarly, Western blotting analysis revealed that Yoda1 treatment induced ERK1/2 phosphorylation, but this induction was not observed in calcium-depleted cell culture medium. To investigate the functional role of the C-terminus of PIEZO1, we generated HEK293 cells stably expressing the full-length mouse PIEZO1 (PIEZO1-FL) and a deletion-type PIEZO1 lacking the C-terminal intracellular region containing the R-Ras-binding domain (PIEZO1-ΔR-Ras). We found that Yoda1 treatment predominantly activated Flou-4 AM and ERK1/2 in PIEZO1-FL-trasfected cells but neither in PIEZO1-ΔR-Ras-transfected cells nor control cells. Our results indicate that the C-terminus of PIEZO1, which contains the R-Ras binding domain, plays an essential role in Ca2+ influx and activation of the ERK1/2 signaling pathway, suggesting that this domain is crucial for the mechanotransduction of osteoblastic differentiation in BMSCs.
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Affiliation(s)
- Asuna Sugimoto
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan; Department of Pediatric Dentistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, 770-8504, Japan
| | - Kokoro Iwata
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Rika Kurogoushi
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Manami Tanaka
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Yumiko Nakashima
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Yoshihito Yamakawa
- Department of Pediatric Dentistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, 770-8504, Japan
| | - Atsushi Oishi
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan
| | - Keigo Yoshizaki
- Orthodontics and Dentofacial Orthopedics Section, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, 812-8582, Japan
| | - Satoshi Fukumoto
- Pediatric Dentistry Section, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, 812-8582, Japan
| | - Akihito Yamamoto
- Department of Tissue Regeneration, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, 770-8504, Japan
| | - Naozumi Ishimaru
- Department of Oral Molecular Pathology, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, 770-8504, Japan
| | - Tsutomu Iwamoto
- Department of Pediatric Dentistry / Special Needs Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, 113-8549, Japan.
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Guo X, Lin CY, Alavi S, You L, Mostaghimi J. Investigation of calcium variations in single cells and the impact of Yoda1 on osteocytes by ICP-OES. Anal Chim Acta 2023; 1281:341906. [PMID: 38783744 DOI: 10.1016/j.aca.2023.341906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/16/2023] [Accepted: 10/10/2023] [Indexed: 05/25/2024]
Abstract
BACKGROUND Detection of elements in individual cells by inductively coupled plasma (ICP) spectrometry has recently attracted significant interest in biological research, due to the unique ability of ICP spectrometry for trace element analysis. However, performing single-cell analysis using ICP optical emission spectrometry (ICP-OES) remains a challenge due to the small size and discrete nature of cells. This is while ICP-OES can serve as a cost-effective and label-free method for this purpose. Therefore, it is necessary to improve the current ICP-OES technique to facilitate the detection of elements in single cells, thereby unlocking novel applications. RESULTS A new conical ICP torch, which has been illustrated to offer better analytical performance than the conventional ones, was applied to achieve the detection of calcium in single micro-sized cells. A new heated chamber was designed and coupled with a high-efficiency nebulizer as the sample introduction system. For the detection of single SiO2 particles, the number of particle events obtained by the new sample introduction system was found to be up to 9 times higher than that of the conventional system without sacrificing the signal intensity. Subsequently, calcium in human breast cancer cells (MDA-MB-231), mice breast cancer cells (Py8119), and mice osteocytes (MLO-Y4) was successfully detected using the new ICP-OES system. The cell detection efficiency turned out to be around 2%-3% which is much higher than that the reported values in previous single-cell ICP-OES research. Finally, as a new application, the effect of Yoda1, a recently identified activator of Piezo1 calcium channel, on osteocytes was investigated. The calcium content in Yoda1-treated MLO-Y4 cells was seen increase by 36% compared to the control sample. SIGNIFICANCE This research reveals the capability of ICP-OES in single-cell analysis for micro-sized cells which was made possible by the new conical ICP torch and the new sample introduction system. The ability to detect calcium in single mammalian cells enables the first ever application of this technique to assess the impact of the Yoda1 activator on the calcium level in osteocytes.
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Affiliation(s)
- Xiaoman Guo
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada
| | - Chun-Yu Lin
- Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
| | - Sina Alavi
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada.
| | - Lidan You
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada; Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
| | - Javad Mostaghimi
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada.
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Du Y, Yang K. Role of mechanosensitive ion channel Piezo1 in tension-side orthodontic alveolar bone remodeling in rats. Arch Oral Biol 2023; 155:105798. [PMID: 37651768 DOI: 10.1016/j.archoralbio.2023.105798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
OBJECTIVE Orthodontic tooth movement (OTM) is based on alveolar bone remodeling under mechanical force. In 2010, Piezo1 was identified as a mechanosensitive ion channel that is involved in various physiological functions. We aimed to determine the role of Piezo1 in alveolar bone remodeling during OTM. DESIGN Twenty-five six-week-old male Sprague-Dawley rats were selected to establish OTM models and sacrificed in groups of five on days 0, 1, 3, 7, and 14. Stereomicroscopy measurements, hematoxylin and eosin staining, tartrate-resistant acid phosphatase staining, and immunohistochemical staining were performed to examine the tooth movement distance, periodontal tissue morphology, and number of multinucleated osteoclasts, and explore the levels of Piezo1, bone-related factors, and Wnt/Ca2+ signaling pathway at different time points in tension-side periodontal tissues during OTM. Furthermore, we injected equivalent grammostola mechanotoxin 4 (GsMTx4; GsMTx4 group, 25 rats) or saline (control group, 25 rats) to OTM rats and recorded the aforementioned measurement indices. RESULTS Piezo1, bone-related factors and Wnt/Ca2+ signaling pathway levels were elevated on the tension side by orthodontic force in the OTM model. GsMTX4 administration downregulated the aforementioned factors and reduced the tooth movement rate. CONCLUSIONS Piezo1 is essential for alveolar bone remodeling during OTM. The Wnt/Ca2+ signaling pathway might participate in Piezo1-mediated bone remodeling.
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Affiliation(s)
- Yugui Du
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Kai Yang
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China.
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Xiao Z, Cao L, Smith MD, Li H, Li W, Smith JC, Quarles LD. Genetic interactions between polycystin-1 and Wwtr1 in osteoblasts define a novel mechanosensing mechanism regulating bone formation in mice. Bone Res 2023; 11:57. [PMID: 37884491 PMCID: PMC10603112 DOI: 10.1038/s41413-023-00295-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 10/28/2023] Open
Abstract
Molecular mechanisms transducing physical forces in the bone microenvironment to regulate bone mass are poorly understood. Here, we used mouse genetics, mechanical loading, and pharmacological approaches to test the possibility that polycystin-1 and Wwtr1 have interdependent mechanosensing functions in osteoblasts. We created and compared the skeletal phenotypes of control Pkd1flox/+;Wwtr1flox/+, Pkd1Oc-cKO, Wwtr1Oc-cKO, and Pkd1/Wwtr1Oc-cKO mice to investigate genetic interactions. Consistent with an interaction between polycystins and Wwtr1 in bone in vivo, Pkd1/Wwtr1Oc-cKO mice exhibited greater reductions of BMD and periosteal MAR than either Wwtr1Oc-cKO or Pkd1Oc-cKO mice. Micro-CT 3D image analysis indicated that the reduction in bone mass was due to greater loss in both trabecular bone volume and cortical bone thickness in Pkd1/Wwtr1Oc-cKO mice compared to either Pkd1Oc-cKO or Wwtr1Oc-cKO mice. Pkd1/Wwtr1Oc-cKO mice also displayed additive reductions in mechanosensing and osteogenic gene expression profiles in bone compared to Pkd1Oc-cKO or Wwtr1Oc-cKO mice. Moreover, we found that Pkd1/Wwtr1Oc-cKO mice exhibited impaired responses to tibia mechanical loading in vivo and attenuation of load-induced mechanosensing gene expression compared to control mice. Finally, control mice treated with a small molecule mechanomimetic, MS2 that activates the polycystin complex resulted in marked increases in femoral BMD and periosteal MAR compared to vehicle control. In contrast, Pkd1/Wwtr1Oc-cKO mice were resistant to the anabolic effects of MS2. These findings suggest that PC1 and Wwtr1 form an anabolic mechanotransduction signaling complex that mediates mechanical loading responses and serves as a potential novel therapeutic target for treating osteoporosis.
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Affiliation(s)
- Zhousheng Xiao
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
| | - Li Cao
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Micholas Dean Smith
- UT/ORNL Center for Molecular Biophysics, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA
- Department of Biochemistry and Cellular and Molecular Biology, The University of Tennessee-Knoxville, Knoxville, TN, 37996-1939, USA
| | - Hanxuan Li
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Wei Li
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Jeremy C Smith
- UT/ORNL Center for Molecular Biophysics, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA
- Department of Biochemistry and Cellular and Molecular Biology, The University of Tennessee-Knoxville, Knoxville, TN, 37996-1939, USA
| | - Leigh Darryl Quarles
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
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Sayedyahossein S, Thines L, Sacks DB. Ca 2+ signaling and the Hippo pathway: Intersections in cellular regulation. Cell Signal 2023; 110:110846. [PMID: 37549859 PMCID: PMC10529277 DOI: 10.1016/j.cellsig.2023.110846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/09/2023]
Abstract
The Hippo signaling pathway is a master regulator of organ size and tissue homeostasis. Hippo integrates a broad range of cellular signals to regulate numerous processes, such as cell proliferation, differentiation, migration and mechanosensation. Ca2+ is a fundamental second messenger that modulates signaling cascades involved in diverse cellular functions, some of which are also regulated by the Hippo pathway. Studies published over the last five years indicate that Ca2+ can influence core Hippo pathway components. Nevertheless, comprehensive understanding of the crosstalk between Ca2+ signaling and the Hippo pathway, and possible mechanisms through which Ca2+ regulates Hippo, remain to be elucidated. In this review, we summarize the multiple intersections between Ca2+ and the Hippo pathway and address the biological consequences.
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Affiliation(s)
- Samar Sayedyahossein
- Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Louise Thines
- Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, USA
| | - David B Sacks
- Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, USA.
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LaGuardia JS, Shariati K, Bedar M, Ren X, Moghadam S, Huang KX, Chen W, Kang Y, Yamaguchi DT, Lee JC. Convergence of Calcium Channel Regulation and Mechanotransduction in Skeletal Regenerative Biomaterial Design. Adv Healthc Mater 2023; 12:e2301081. [PMID: 37380172 PMCID: PMC10615747 DOI: 10.1002/adhm.202301081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/20/2023] [Indexed: 06/30/2023]
Abstract
Cells are known to perceive their microenvironment through extracellular and intracellular mechanical signals. Upon sensing mechanical stimuli, cells can initiate various downstream signaling pathways that are vital to regulating proliferation, growth, and homeostasis. One such physiologic activity modulated by mechanical stimuli is osteogenic differentiation. The process of osteogenic mechanotransduction is regulated by numerous calcium ion channels-including channels coupled to cilia, mechanosensitive and voltage-sensitive channels, and channels associated with the endoplasmic reticulum. Evidence suggests these channels are implicated in osteogenic pathways such as the YAP/TAZ and canonical Wnt pathways. This review aims to describe the involvement of calcium channels in regulating osteogenic differentiation in response to mechanical loading and characterize the fashion in which those channels directly or indirectly mediate this process. The mechanotransduction pathway is a promising target for the development of regenerative materials for clinical applications due to its independence from exogenous growth factor supplementation. As such, also described are examples of osteogenic biomaterial strategies that involve the discussed calcium ion channels, calcium-dependent cellular structures, or calcium ion-regulating cellular features. Understanding the distinct ways calcium channels and signaling regulate these processes may uncover potential targets for advancing biomaterials with regenerative osteogenic capabilities.
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Affiliation(s)
- Jonnby S. LaGuardia
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Kaavian Shariati
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Meiwand Bedar
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Xiaoyan Ren
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA, 91343, USA
| | - Shahrzad Moghadam
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Kelly X. Huang
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Wei Chen
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Youngnam Kang
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Dean T. Yamaguchi
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA, 91343, USA
| | - Justine C. Lee
- Division of Plastic & Reconstructive Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA, 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA, 91343, USA
- Department of Orthopaedic Surgery, Los Angeles, CA, 90095, USA
- UCLA Molecular Biology Institute, Los Angeles, CA, 90095, USA
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Zhang D, Lin W, Jiang S, Deng P, Liu L, Wang Q, Sheng R, Shu HS, Wang L, Zou W, Zhou BO, Jing J, Ye L, Yu B, Zhang S, Yuan Q. Lepr-Expressing PDLSCs Contribute to Periodontal Homeostasis and Respond to Mechanical Force by Piezo1. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303291. [PMID: 37553778 PMCID: PMC10582421 DOI: 10.1002/advs.202303291] [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: 05/21/2023] [Revised: 07/20/2023] [Indexed: 08/10/2023]
Abstract
Periodontium supports teeth in a mechanically stimulated tissue environment, where heterogenous stem/progenitor populations contribute to periodontal homeostasis. In this study, Leptin receptor+ (Lepr+) cells are identified as a distinct periodontal ligament stem cell (PDLSC) population by single-cell RNA sequencing and lineage tracing. These Lepr+ PDLSCs are located in the peri-vascular niche, possessing multilineage potential and contributing to tissue repair in response to injury. Ablation of Lepr+ PDLSCs disrupts periodontal homeostasis. Hyper-loading and unloading of occlusal forces modulate Lepr+ PDLSCs activation. Piezo1 is demonstrated that mediates the mechanosensing of Lepr+ PDLSCs by conditional Piezo1-deficient mice. Meanwhile, Yoda1, a selective activator of Piezo1, significantly accelerates periodontal tissue growth via the induction of Lepr+ cells. In summary, Lepr marks a unique multipotent PDLSC population in vivo, to contribute toward periodontal homeostasis via Piezo1-mediated mechanosensing.
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Affiliation(s)
- Danting Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Weimin Lin
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Shuang Jiang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Peng Deng
- Division of Oral and Systemic Health SciencesSchool of DentistryUniversity of California Los AngelesLos AngelesCA90095USA
| | - Linfeng Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Qian Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Rui Sheng
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Hui Sophie Shu
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai200031China
| | - Lijun Wang
- Institute of Microsurgery on ExtremitiesShanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Weiguo Zou
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai200031China
- Institute of Microsurgery on ExtremitiesShanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Bo O. Zhou
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai200031China
- State Key Laboratory of Experimental HematologyInstitute of Hematology & Blood Diseases HospitalChinese Academy of Medical SciencesTianjin300020China
| | - Junjun Jing
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Ling Ye
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
- Department of EndodonticsWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Bo Yu
- Division of Preventive and Restorative SciencesSchool of DentistryUniversity of California Los AngelesLos AngelesCA90095USA
| | - Shiwen Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
- Department of Oral ImplantologyWest China Hospital of StomatologySichuan UniversityChengdu610041China
| | - Quan Yuan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041China
- Department of Oral ImplantologyWest China Hospital of StomatologySichuan UniversityChengdu610041China
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He J, Fang B, Shan S, Li Q. Mechanical stiffness promotes skin fibrosis through Piezo1-mediated arginine and proline metabolism. Cell Death Discov 2023; 9:354. [PMID: 37752116 PMCID: PMC10522626 DOI: 10.1038/s41420-023-01656-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023] Open
Abstract
The increased mechanics of fibrotic skin tissue continuously regulate fibroblast functions such as survival and differentiation. Although all these processes consume metabolites, it is unclear whether and how cells adapt their metabolic activity to increased matrix stiffness. Here, we show that transferring mouse dermal fibroblasts from soft to stiff substrates causes an up-regulation of arginine and proline metabolism. Increased matrix stiffness stimulates the expression and activity of key metabolic enzymes, leading to the synthesis of L-proline, a major source of collagen. In addition, the novel mechanosensitive channel Piezo1 was identified as a key regulator of arginine and proline metabolism in fibroblasts under increased stiffness. Consistently, targeting Piezo1 to dermal fibroblasts in vivo effectively reduces fibrosis and arginine-proline metabolism in mouse skin. Therefore, mechanical stiffness is a critical environmental cue for fibroblast metabolism and skin fibrosis progression.
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Affiliation(s)
- Jiahao He
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Bin Fang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Shengzhou Shan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
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Nile M, Folwaczny M, Wichelhaus A, Baumert U, Janjic Rankovic M. Fluid flow shear stress and tissue remodeling-an orthodontic perspective: evidence synthesis and differential gene expression network analysis. Front Bioeng Biotechnol 2023; 11:1256825. [PMID: 37795174 PMCID: PMC10545883 DOI: 10.3389/fbioe.2023.1256825] [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: 07/17/2023] [Accepted: 08/28/2023] [Indexed: 10/06/2023] Open
Abstract
Introduction: This study aimed to identify and analyze in vitro studies investigating the biological effect of fluid-flow shear stress (FSS) on cells found in the periodontal ligament and bone tissue. Method: We followed the PRISMA guideline for systematic reviews. A PubMed search strategy was developed, studies were selected according to predefined eligibility criteria, and the risk of bias was assessed. Relevant data related to cell source, applied FSS, and locus-specific expression were extracted. Based on this evidence synthesis and, as an original part of this work, analysis of differential gene expression using over-representation and network-analysis was performed. Five relevant publicly available gene expression datasets were analyzed using gene set enrichment analysis (GSEA). Result: A total of 6,974 articles were identified. Titles and abstracts were screened, and 218 articles were selected for full-text assessment. Finally, 120 articles were included in this study. Sample size determination and statistical analysis related to methodological quality and the ethical statement item in reporting quality were most frequently identified as high risk of bias. The analyzed studies mostly used custom-made fluid-flow apparatuses (61.7%). FSS was most frequently applied for 0.5 h, 1 h, or 2 h, whereas FSS magnitudes ranged from 6 to 20 dyn/cm2 depending on cell type and flow profile. Fluid-flow frequencies of 1 Hz in human cells and 1 and 5 Hz in mouse cells were mostly applied. FSS upregulated genes/metabolites responsible for tissue formation (AKT1, alkaline phosphatase, BGLAP, BMP2, Ca2+, COL1A1, CTNNB1, GJA1, MAPK1/MAPK3, PDPN, RUNX2, SPP1, TNFRSF11B, VEGFA, WNT3A) and inflammation (nitric oxide, PGE-2, PGI-2, PTGS1, PTGS2). Protein-protein interaction networks were constructed and analyzed using over-representation analysis and GSEA to identify shared signaling pathways. Conclusion: To our knowledge, this is the first review giving a comprehensive overview and discussion of methodological technical details regarding fluid flow application in 2D cell culture in vitro experimental conditions. Therefore, it is not only providing valuable information about cellular molecular events and their quantitative and qualitative analysis, but also confirming the reproducibility of previously published results.
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Affiliation(s)
- Mustafa Nile
- Department of Orthodontics and Dentofacial Orthopedics, LMU University Hospital, LMU Munich, Munich, Germany
| | - Matthias Folwaczny
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Andrea Wichelhaus
- Department of Orthodontics and Dentofacial Orthopedics, LMU University Hospital, LMU Munich, Munich, Germany
| | - Uwe Baumert
- Department of Orthodontics and Dentofacial Orthopedics, LMU University Hospital, LMU Munich, Munich, Germany
| | - Mila Janjic Rankovic
- Department of Orthodontics and Dentofacial Orthopedics, LMU University Hospital, LMU Munich, Munich, Germany
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Cai G, Lu Y, Zhong W, Wang T, Li Y, Ruan X, Chen H, Sun L, Guan Z, Li G, Zhang H, Sun W, Chen M, Zhang W, Wang H. Piezo1-mediated M2 macrophage mechanotransduction enhances bone formation through secretion and activation of transforming growth factor-β1. Cell Prolif 2023; 56:e13440. [PMID: 36880296 PMCID: PMC10472522 DOI: 10.1111/cpr.13440] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/02/2023] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
Macrophages are multifunctional immune system cells that are essential for the mechanical stimulation-induced control of metabolism. Piezo1 is a non-selective calcium channel expressed in multifarious tissues to convey mechanical signals. Here, a cellular model of tension was used to study the effect of mechanical stretch on the phenotypic transformation of macrophages and its mechanism. An indirect co-culture system was used to explore the effect of macrophage activation on bone marrow mesenchymal stem cells (BMSCs), and a treadmill running model was used to validate the mechanism in vivo for in vitro studies. p53 was acetylated and deacetylated by macrophages as a result of mechanical strain being detected by Piezo1. This process is able to polarize macrophages towards M2 and secretes transforming growth factor-beta (TGF-β1), which subsequently stimulates BMSCs migration, proliferation and osteogenic differentiation. Knockdown of Piezo1 inhibits the conversion of macrophages to the reparative phenotype, thereby affecting bone remodelling. Blockade of TGF-β I, II receptors and Piezo1 significantly reduced exercise-increased bone mass in mice. In conclusion, we showed that mechanical tension causes calcium influx, p53 deacetylation, macrophage polarization towards M2 and TGF-β1 release through Piezo1. These events support BMSC osteogenesis.
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Affiliation(s)
- Guanhui Cai
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Yahui Lu
- Jiangsu Key Laboratory of Oral DiseasesNanjing Medical UniversityNanjingChina
| | - Weijie Zhong
- Department of StomatologyDushu Lake Hospital Affiliated to Soochow UniversitySoochowChina
- Department of StomatologyMedical Center of Soochow UniversitySoochowChina
| | - Ting Wang
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Yingyi Li
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Xiaolei Ruan
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Hongyu Chen
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Lian Sun
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Zhaolan Guan
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Gen Li
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Hengwei Zhang
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
- Department of Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochesterNew YorkUSA
| | - Wen Sun
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
| | - Minglong Chen
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
- Department of CardiologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Wei‐Bing Zhang
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
- Department of StomatologyDushu Lake Hospital Affiliated to Soochow UniversitySoochowChina
- Department of StomatologyMedical Center of Soochow UniversitySoochowChina
| | - Hua Wang
- Department of OrthodonticsThe Affiliated Stomatological Hospital of Nanjing Medical UniversityNanjingChina
- Jiangsu Key Laboratory of Oral DiseasesNanjing Medical UniversityNanjingChina
- Department of OrthodonticsJiangsu Province Engineering Research Center of Stomatological Translational MedicineNanjingChina
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42
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Ozkan AD, Wijerathne TD, Gettas T, Lacroix JJ. Force-induced motions of the PIEZO1 blade probed with fluorimetry. Cell Rep 2023; 42:112837. [PMID: 37471225 PMCID: PMC10530446 DOI: 10.1016/j.celrep.2023.112837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 06/15/2023] [Accepted: 07/05/2023] [Indexed: 07/22/2023] Open
Abstract
Mechanical forces are thought to activate mechanosensitive PIEZO channels by changing the conformation of a large transmembrane blade domain. Yet, whether different stimuli induce identical conformational changes in this domain remains unclear. Here, we repurpose a cyclic permuted green fluorescent protein as a conformation-sensitive probe to track local rearrangements along the PIEZO1 blade. Two independent probes, one inserted in an extracellular site distal to the pore and the other in a distant intracellular proximal position, elicit sizable fluorescence signals when the tagged channels activate in response to fluid shear stress of low intensity. Neither cellular indentations nor osmotic swelling of the cell elicit detectable fluorescence signals from either probe, despite the ability of these stimuli to activate the tagged channels. High-intensity flow stimuli are ineffective at eliciting fluorescence signals from either probe. Together, these findings suggest that low-intensity fluid shear stress causes a distinct form of mechanical stress to the cell.
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Affiliation(s)
- Alper D Ozkan
- Department of Pharmaceutical Microbiology, Bahçeşehir University, Yıldız, Çırağan Cd, 34349 Beşiktaş/İstanbul, Turkey
| | - Tharaka D Wijerathne
- Department of Basic Medical Sciences, Western University of Health Sciences, 309 E. Second St, Pomona, CA 91766, USA
| | - Tina Gettas
- Department of Basic Medical Sciences, Western University of Health Sciences, 309 E. Second St, Pomona, CA 91766, USA
| | - Jérôme J Lacroix
- Department of Basic Medical Sciences, Western University of Health Sciences, 309 E. Second St, Pomona, CA 91766, USA.
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Zheng C, Liu H, Zhao P, Lu W, Song S, He T, Fan J, Wang D, Yang P, Jie Q, Zheng HF, Luo Z, Yang L. Targeting sulfation-dependent mechanoreciprocity between matrix and osteoblasts to mitigate bone loss. Sci Transl Med 2023; 15:eadg3983. [PMID: 37611084 DOI: 10.1126/scitranslmed.adg3983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 08/04/2023] [Indexed: 08/25/2023]
Abstract
Sulfation is a widespread modification of biomolecules that has been incompletely explored to date. Through cross-phenotype meta-analysis of bone mineral density in up to 426,824 genotyped human participants along with phenotypic characterization of multiple mutant mouse lines, we identified a causative role for sulfate transporter solute carrier family 26 member A2 (SLC26A2) deficiency in osteoporosis. Ablation of SLC26A2 in osteoblasts caused severe bone loss and accumulation of immature bone cells and elicited peculiar pericellular matrix (PCM) production characterized by undersulfation coupled with decreased stiffness. These altered chemophysical properties of the PCM disrupted the formation of focal adhesions in osteoblasts. Bulk RNA sequencing and functional assays revealed that the mechanoreciprocal inhibition of focal adhesion kinase (FAK) and Yes1-associated transcriptional regulator (YAP)/WW domain containing transcription regulator 1 (TAZ) signaling impinged osteoblast maturation upon SLC26A2 deficiency. Moreover, pharmacological abrogation of the Hippo kinases and forced wheel-running ameliorated SLC26A2-deficient osteoporosis by promoting YAP/TAZ activity. Analysis of mouse single-cell RNA sequencing data suggested coordination among sulfate metabolism, focal adhesion, and YAP/TAZ activity during osteoblast-to-osteocyte transition. In addition to the SLC26A2-deficient setting, altered FAK and YAP/TAZ signaling was also observed in bone cells of ovariectomized mice and patients with osteoporosis, and pharmacological enforcing of YAP/TAZ activity ameliorated bone loss in ovariectomized mice. Collectively, these data unveil a role for sulfation in the developmental mechanoreciprocity between matrix and osteoblasts, which could be leveraged to prevent bone loss.
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Affiliation(s)
- Chao Zheng
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - He Liu
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Pianpian Zhao
- Diseases & Population (DaP) Geninfo Lab, School of Life Sciences, Westlake University, Hangzhou 310030, China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
| | - Weiguang Lu
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Shiju Song
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Ting He
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Jing Fan
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Di Wang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Pengfei Yang
- Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China
| | - Qiang Jie
- Department of Orthopedic Surgery, Hong Hui Hospital, Xi'an Jiaotong University, College of Medicine, Xi'an 710049, China
- Research Center for Skeletal Developmental Deformity and Injury repair, College of Life Science and Medicine, Northwest University, Xi'an 710069, China
| | - Hou-Feng Zheng
- Diseases & Population (DaP) Geninfo Lab, School of Life Sciences, Westlake University, Hangzhou 310030, China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
| | - Zhuojing Luo
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
- Medical Research Institute, Northwestern Polytechnical University, Xi'an 710072, China
| | - Liu Yang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
- Medical Research Institute, Northwestern Polytechnical University, Xi'an 710072, China
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Woodbury SM, Swanson WB, Mishina Y. Mechanobiology-informed biomaterial and tissue engineering strategies for influencing skeletal stem and progenitor cell fate. Front Physiol 2023; 14:1220555. [PMID: 37520820 PMCID: PMC10373313 DOI: 10.3389/fphys.2023.1220555] [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: 05/10/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Skeletal stem and progenitor cells (SSPCs) are the multi-potent, self-renewing cell lineages that form the hematopoietic environment and adventitial structures of the skeletal tissues. Skeletal tissues are responsible for a diverse range of physiological functions because of the extensive differentiation potential of SSPCs. The differentiation fates of SSPCs are shaped by the physical properties of their surrounding microenvironment and the mechanical loading forces exerted on them within the skeletal system. In this context, the present review first highlights important biomolecules involved with the mechanobiology of how SSPCs sense and transduce these physical signals. The review then shifts focus towards how the static and dynamic physical properties of microenvironments direct the biological fates of SSPCs, specifically within biomaterial and tissue engineering systems. Biomaterial constructs possess designable, quantifiable physical properties that enable the growth of cells in controlled physical environments both in-vitro and in-vivo. The utilization of biomaterials in tissue engineering systems provides a valuable platform for controllably directing the fates of SSPCs with physical signals as a tool for mechanobiology investigations and as a template for guiding skeletal tissue regeneration. It is paramount to study this mechanobiology and account for these mechanics-mediated behaviors to develop next-generation tissue engineering therapies that synergistically combine physical and chemical signals to direct cell fate. Ultimately, taking advantage of the evolved mechanobiology of SSPCs with customizable biomaterial constructs presents a powerful method to predictably guide bone and skeletal organ regeneration.
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Affiliation(s)
- Seth M. Woodbury
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
- University of Michigan College of Literature, Science, and Arts, Department of Chemistry, Ann Arbor, MI, United States
- University of Michigan College of Literature, Science, and Arts, Department of Physics, Ann Arbor, MI, United States
| | - W. Benton Swanson
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
| | - Yuji Mishina
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
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Kitase Y, Prideaux M. Regulation of the Osteocyte Secretome with Aging and Disease. Calcif Tissue Int 2023; 113:48-67. [PMID: 37148298 DOI: 10.1007/s00223-023-01089-w] [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: 02/06/2023] [Accepted: 04/21/2023] [Indexed: 05/08/2023]
Abstract
As the most numerous and long-lived of all bone cells, osteocytes have essential functions in regulating skeletal health. Through the lacunar-canalicular system, secreted proteins from osteocytes can reach cells throughout the bone. Furthermore, the intimate connectivity between the lacunar-canalicular system and the bone vasculature allows for the transport of osteocyte-secreted factors into the circulation to reach the entire body. Local and endocrine osteocyte signaling regulates physiological processes such as bone remodeling, bone mechanoadaptation, and mineral homeostasis. However, these processes are disrupted by impaired osteocyte function induced by aging and disease. Dysfunctional osteocyte signaling is now associated with the pathogenesis of many disorders, including chronic kidney disease, cancer, diabetes mellitus, and periodontitis. In this review, we focus on the targeting of bone and extraskeletal tissues by the osteocyte secretome. In particular, we highlight the secreted osteocyte proteins, which are known to be dysregulated during aging and disease, and their roles during disease progression. We also discuss how therapeutic or genetic targeting of osteocyte-secreted proteins can improve both skeletal and systemic health.
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Affiliation(s)
- Yukiko Kitase
- Indiana Center for Musculoskeletal Health, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA
- Department of Anatomy, Cell Biology and Physiology, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA
| | - Matthew Prideaux
- Indiana Center for Musculoskeletal Health, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
- Department of Anatomy, Cell Biology and Physiology, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
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46
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Zheng XQ, Huang J, Lin JL, Song CL. Pathophysiological mechanism of acute bone loss after fracture. J Adv Res 2023; 49:63-80. [PMID: 36115662 PMCID: PMC10334135 DOI: 10.1016/j.jare.2022.08.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 07/29/2022] [Accepted: 08/31/2022] [Indexed: 10/14/2022] Open
Abstract
BACKGROUND Acute bone loss after fracture is associated with various effects on the complete recovery process and a risk of secondary fractures among patients. Studies have reported similarities in pathophysiological mechanisms involved in acute bone loss after fractures and osteoporosis. However, given the silence nature of bone loss and bone metabolism complexities, the actual underlying pathophysiological mechanisms have yet to be fully elucidated. AIM OF REVIEW To elaborate the latest findings in basic research with a focus on acute bone loss after fracture. To briefly highlight potential therapeutic targets and current representative drugs. To arouse researchers' attention and discussion on acute bone loss after fracture. KEY SCIENTIFIC CONCEPTS OF REVIEW Bone loss after fracture is associated with immobilization, mechanical unloading, blood supply damage, sympathetic nerve regulation, and crosstalk between musculoskeletals among other factors. Current treatment strategies rely on regulation of osteoblasts and osteoclasts, therefore, there is a need to elucidate on the underlying mechanisms of acute bone loss after fractures to inform the development of efficacious and safe drugs. In addition, attention should be paid towards ensuring long-term skeletal health.
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Affiliation(s)
- Xuan-Qi Zheng
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
| | - Jie Huang
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
| | - Jia-Liang Lin
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
| | - Chun-Li Song
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Spinal Disease Research, Beijing, China.
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47
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Reyes Fernandez PC, Wright CS, Farach-Carson MC, Thompson WR. Examining Mechanisms for Voltage-Sensitive Calcium Channel-Mediated Secretion Events in Bone Cells. Calcif Tissue Int 2023; 113:126-142. [PMID: 37261463 PMCID: PMC11008533 DOI: 10.1007/s00223-023-01097-w] [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: 01/31/2023] [Accepted: 05/16/2023] [Indexed: 06/02/2023]
Abstract
In addition to their well-described functions in cell excitability, voltage-sensitive calcium channels (VSCCs) serve a critical role in calcium (Ca2+)-mediated secretion of pleiotropic paracrine and endocrine factors, including those produced in bone. Influx of Ca2+ through VSCCs activates intracellular signaling pathways to modulate a variety of cellular processes that include cell proliferation, differentiation, and bone adaptation in response to mechanical stimuli. Less well understood is the role of VSCCs in the control of bone and calcium homeostasis mediated through secreted factors. In this review, we discuss the various functions of VSCCs in skeletal cells as regulators of Ca2+ dynamics and detail how these channels might control the release of bioactive factors from bone cells. Because VSCCs are druggable, a better understanding of the multiple functions of these channels in the skeleton offers the opportunity for developing new therapies to enhance and maintain bone and to improve systemic health.
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Affiliation(s)
- Perla C Reyes Fernandez
- Department of Physical Therapy, School of Health and Human Sciences, Indiana University, Indianapolis, IN, 46202, USA
- Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, 46202, USA
| | - Christian S Wright
- Department of Physical Therapy, School of Health and Human Sciences, Indiana University, Indianapolis, IN, 46202, USA
- Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, 46202, USA
| | - Mary C Farach-Carson
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
- Departments of BioSciences and Bioengineering, Rice University, Houston, TX, 77005, USA
| | - William R Thompson
- Department of Physical Therapy, School of Health and Human Sciences, Indiana University, Indianapolis, IN, 46202, USA.
- Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, 46202, USA.
- Department of Anatomy, Cell Biology and Physiology, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
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48
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Yang J, Yuan K, Zhang T, Zhou S, Li W, Chen Z, Wang Y. Accelerated Bone Reconstruction by the Yoda1 Bilayer Membrane via Promotion of Osteointegration and Angiogenesis. Adv Healthc Mater 2023; 12:e2203105. [PMID: 36912184 DOI: 10.1002/adhm.202203105] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/28/2023] [Indexed: 03/14/2023]
Abstract
Guided bone regeneration membranes are widely used to prevent fibroblast penetration and facilitate bone defect repair by osteoblasts. However, the current clinically available collagen membranes lack bone induction and angiogenic capacities, exhibiting limited bone regeneration. The mechanically sensitive channel, Piezo1, which is activated by Yoda1, has been reported to play crucial roles in osteogenesis and angiogenesis. Nevertheless, the application of Yoda1 alone is unsustainable to maintain this activity. Therefore, this study fabricates a Yoda1-loading bilayer membrane using electrospinning technology. Its inner layer in contact with the bone defect is composed of vertically aligned fibers, which regulate the proliferation and differentiation of cells, release Yoda1, and promote bone regeneration. Its outer layer in contact with the soft tissue is dense with oriented fibers by UV cross-linking, mainly preventing fibroblast infiltration and inhibiting the immune response. Furthermore, the loaded Yoda1 affects osteogenesis and angiogenesis via the Piezo1/RhoA/Rho-associated coiled-coil-containing protein kinase 1/Yes1-associated transcriptional regulator signaling pathway. The results reveal that the Yoda1 bilayer membrane is efficient and versatile in accelerating bone regeneration, suggesting its potential as a novel therapeutic agent for various clinical issues.
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Affiliation(s)
- Jinghong Yang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Kaiting Yuan
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Tingting Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Shiqi Zhou
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Weichang Li
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Zetao Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
| | - Yan Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, 510055, China
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49
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Nottmeier C, Lavicky J, Gonzalez Lopez M, Knauth S, Kahl-Nieke B, Amling M, Schinke T, Helms J, Krivanek J, Koehne T, Petersen J. Mechanical-induced bone remodeling does not depend on Piezo1 in dentoalveolar hard tissue. Sci Rep 2023; 13:9563. [PMID: 37308580 DOI: 10.1038/s41598-023-36699-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 06/08/2023] [Indexed: 06/14/2023] Open
Abstract
Mechanosensory ion channels are proteins that are sensitive to mechanical forces. They are found in tissues throughout the body and play an important role in bone remodeling by sensing changes in mechanical stress and transmitting signals to bone-forming cells. Orthodontic tooth movement (OTM) is a prime example of mechanically induced bone remodeling. However, the cell-specific role of the ion channels Piezo1 and Piezo2 in OTM has not been investigated yet. Here we first identify the expression of PIEZO1/2 in the dentoalveolar hard tissues. Results showed that PIEZO1 was expressed in odontoblasts, osteoblasts, and osteocytes, while PIEZO2 was localized in odontoblasts and cementoblasts. We therefore used a Piezo1floxed/floxed mouse model in combination with Dmp1cre to inactivate Piezo1 in mature osteoblasts/cementoblasts, osteocytes/cementocytes, and odontoblasts. Inactivation of Piezo1 in these cells did not affect the overall morphology of the skull but caused significant bone loss in the craniofacial skeleton. Histological analysis revealed a significantly increased number of osteoclasts in Piezo1floxed/floxed;Dmp1cre mice, while osteoblasts were not affected. Despite this increased number of osteoclasts, orthodontic tooth movement was not altered in these mice. Our results suggest that despite Piezo1 being crucial for osteoclast function, it may be dispensable for mechanical sensing of bone remodeling.
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Affiliation(s)
- Cita Nottmeier
- Department of Orthodontics, University of Leipzig Medical Center, Saxony, Germany
| | - Josef Lavicky
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Marcos Gonzalez Lopez
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Sarah Knauth
- Department of Orthodontics, University of Leipzig Medical Center, Saxony, Germany
| | - Bärbel Kahl-Nieke
- Department of Orthodontics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Michael Amling
- Institute of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thorsten Schinke
- Institute of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jill Helms
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford School of Medicine, Stanford University, Palo Alto, CA, USA
| | - Jan Krivanek
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Till Koehne
- Department of Orthodontics, University of Leipzig Medical Center, Saxony, Germany.
| | - Julian Petersen
- Department of Orthodontics, University of Leipzig Medical Center, Saxony, Germany.
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50
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Li X, Han Y, Li G, Zhang Y, Wang J, Feng C. Role of Wnt signaling pathway in joint development and cartilage degeneration. Front Cell Dev Biol 2023; 11:1181619. [PMID: 37363728 PMCID: PMC10285172 DOI: 10.3389/fcell.2023.1181619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023] Open
Abstract
Osteoarthritis (OA) is a prevalent musculoskeletal disease that affects approximately 500 million people worldwide. Unfortunately, there is currently no effective treatment available to stop or delay the degenerative progression of joint disease. Wnt signaling pathways play fundamental roles in the regulation of growth, development, and homeostasis of articular cartilage. This review aims to summarize the role of Wnt pathways in joint development during embryonic stages and in cartilage maintenance throughout adult life. Specifically, we focus on aberrant mechanical loading and inflammation as major players in OA progression. Excessive mechanical load activates Wnt pathway in chondrocytes, resulting in chondrocyte apoptosis, matrix destruction and other osteoarthritis-related changes. Additionally, we discuss emerging Wnt-related modulators and present an overview of emerging treatments of OA targeting Wnt signaling. Ultimately, this review provides valuable insights towards discovering new drugs or gene therapies targeting Wnt signaling pathway for diagnosing and treating osteoarthritis and other degenerative joint diseases.
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Affiliation(s)
- Xinyan Li
- Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yuanyuan Han
- Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Guimiao Li
- Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yingze Zhang
- Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Juan Wang
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- Department of Joint Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chen Feng
- Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
- NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- Hebei Orthopedic Clinical Research Center, The Third Hospital of Hebei Medical University, Shijiazhuang, China
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