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Xiang P, Luo ZP, Che YJ. Insights into the mechanical microenvironment within the cartilaginous endplate: An emerging role in maintaining disc homeostasis and normal function. Heliyon 2024; 10:e31162. [PMID: 38803964 PMCID: PMC11128916 DOI: 10.1016/j.heliyon.2024.e31162] [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: 12/26/2023] [Revised: 05/10/2024] [Accepted: 05/10/2024] [Indexed: 05/29/2024] Open
Abstract
Biomechanical factors are strongly linked with the emergence and development of intervertebral disc degeneration (IVDD). The intervertebral disc (IVD), as a unique enclosed biomechanical structure, exhibits distinct mechanical properties within its substructures. Damage to the mechanical performance of any substructure can disrupt the overall mechanical function of the IVD. Endplate degeneration serves as a significant precursor to IVDD. The endplate (EP) structure, especially the cartilaginous endplate (CEP), serves as a conduit for nutrient and metabolite transport in the IVD. It is inevitably influenced by its nutritional environment, mechanical loading, cytokines and extracellular components. Currently, reports on strategies targeting the CEP for the prevention and treatment of IVDD are scarce. This is due to two primary reasons: first, limited knowledge of the biomechanical microenvironment surrounding the degenerated CEP cells; and second, innovative biological treatment strategies, such as implanting active cells (disc or mesenchymal stem cells) or modulating natural cell activity through the addition of therapeutic factors or genes to treat IVDD often overlook a critical aspect-the restoration of the nutrient supply function and mechanical microenvironment of the endplate. Therefore, restoring the healthy structure of the CEP and maintaining a stable mechanical microenvironment within the EP are crucial for the prevention of IVDD and the repair of degenerated IVDs. We present a comprehensive literature review on the mechanical microenvironment characteristics of cartilage endplates and their associated mechanical signaling pathways. Our aim is to provide valuable insights into the development and implementation of strategies to prevent IVDD by delaying or reversing CEP degeneration.
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Affiliation(s)
- Pan Xiang
- Department of Orthopaedics, The First Affiliated Hospital of SooChow University, Suzhou, Jiangsu, 215000, PR China
| | - Zong-Ping Luo
- Department of Orthopaedics, The First Affiliated Hospital of SooChow University, Suzhou, Jiangsu, 215000, PR China
| | - Yan-Jun Che
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Suzhou, Jiangsu, 215008, PR China
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2
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Hu Z, Yang F, Xiang P, Luo Z, Liang T, Xu H. Effect of polydimethylsiloxane surface morphology on osteogenic differentiation of mesenchymal stem cells through SIRT1 signalling pathway. Proc Inst Mech Eng H 2024; 238:537-549. [PMID: 38561625 DOI: 10.1177/09544119241242964] [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: 04/04/2024]
Abstract
Constructing surface topography with a certain roughness is a widely used, non-toxic, cost-effective and effective method for improving the microenvironment of cells, promoting the proliferation and osteogenic differentiation of mesenchymal stem cells (MSCs), and promoting the osseointegration of grafts and further improving their biocompatibility under clinical environmental conditions. SIRT1 plays an important regulatory role in the osteogenic differentiation of bone marrow-derived MSCs (BM-MSCs). However, it remains unknown whether SIRT1 plays an important regulatory role in the osteogenic differentiation of BM-MSCs with regard to surface morphology. Polydimethylsiloxane (PDMS) with different surface morphologies were prepared using different grits of sandpaper. The value for BMSCs added on different surfaces was detected by cell proliferation assays. RT-qPCR and Western blotting were performed to detect SIRT1 activation and osteogenic differentiation of MSCs. Osteogenesis of MSCs was detected by alkaline phosphatase (ALP) and alizarin red S staining. SIRT1 inhibition experiments were performed to investigate the role of SIRT1 in the osteogenic differentiation of MSCs induced by surface morphology. We found that BM-MSCs have better value and osteogenic differentiation ability on a surface with roughness of PDMS-1000M. SIRT1 showed higher gene and protein expression on a PDMS-1000M surface with a roughness of 13.741 ± 1.388 µm. The promotion of the osteogenic differentiation of MSCs on the PDMS-1000M surface was significantly decreased after inhibiting SIRT1 expression. Our study demonstrated that a surface morphology with certain roughness can activate the SIRT1 pathway of MSCs and promote the osteogenic differentiation of BMSCs via the SIRT1 pathway.
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Affiliation(s)
- Zezun Hu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Fanlei Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Pan Xiang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Zongping Luo
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
| | - Ting Liang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Hao Xu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R. China
- Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu, P.R. China
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3
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Fanelli G, Alloisio G, Lelli V, Marini S, Rinalducci S, Gioia M. Mechano-induced cell metabolism disrupts the oxidative stress homeostasis of SAOS-2 osteosarcoma cells. Front Mol Biosci 2024; 10:1297826. [PMID: 38726050 PMCID: PMC11079223 DOI: 10.3389/fmolb.2023.1297826] [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: 09/20/2023] [Accepted: 12/18/2023] [Indexed: 05/12/2024] Open
Abstract
There has been an increasing focus on cancer mechanobiology, determining the underlying-induced changes to unlock new avenues in the modulation of cell malignancy. Our study used LC-MS untargeted metabolomic approaches and real-time polymerase chain reaction (PCR) to characterize the molecular changes induced by a specific moderate uniaxial stretch regimen (i.e., 24 h-1 Hz, cyclic stretch 0,5% elongation) on SAOS-2 osteosarcoma cells. Differential metabolic pathway analysis revealed that the mechanical stimulation induces a downregulation of both glycolysis and the tricarboxylic acid (TCA) cycle. At the same time, the amino acid metabolism was found to be dysregulated, with the mechanical stimulation enhancing glutaminolysis and reducing the methionine cycle. Our findings showed that cell metabolism and oxidative defense are tightly intertwined in mechanically stimulated cells. On the one hand, the mechano-induced disruption of the energy cell metabolism was found correlated with an antioxidant glutathione (GSH) depletion and an accumulation of reactive oxygen species (ROS). On the other hand, we showed that a moderate stretch regimen could disrupt the cytoprotective gene transcription by altering the expression levels of manganese superoxide dismutase (SOD1), Sirtuin 1 (SIRT1), and NF-E2-related factor 2 (Nrf2) genes. Interestingly, the cyclic applied strain could induce a cytotoxic sensitization (to the doxorubicin-induced cell death), suggesting that mechanical signals are integral regulators of cell cytoprotection. Hence, focusing on the mechanosensitive system as a therapeutic approach could potentially result in more effective treatments for osteosarcoma in the future.
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Affiliation(s)
- Giuseppina Fanelli
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Giulia Alloisio
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Veronica Lelli
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Stefano Marini
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Sara Rinalducci
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Magda Gioia
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
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4
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Lv J, Li X, Qiu W, Ji J, Cao L, Li L, Zhang Y, Su Z. Effect of knee osteoarthritis on the postoperative outcome of proximal femoral nail anti-rotation in the treatment of intertrochanteric fractures in the elderly: a retrospective analysis. BMC Musculoskelet Disord 2023; 24:868. [PMID: 37940993 PMCID: PMC10631145 DOI: 10.1186/s12891-023-07012-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 11/02/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND The proximal femoral nail anti-rotation (PFNA) is a commonly used internal fixation system for intertrochanteric fractures (IFs) in older adults. Knee osteoarthritis (KOA) is a degenerative lower extremity disease that occurs most frequently in the elderly. Some patients have already had KOA before the IFs. However, whether KOA impacts the postoperative outcome of IFs has not been reported. OBJECTIVE This study aimed to investigate the effect of KOA on the fracture side on the outcome after PFNA for IFs in the elderly. METHODS Between January 2016 and November 2021, 297 elderly patients treated with PFNA for IFs were enrolled in this study. They were divided into two groups according to the American Rheumatism Association KOA clinical and radiographic criteria: the control group and the KOA group. Intraoperative bleeding, operative time, length of hospital stay, postoperative time out of bed, fracture healing time, postoperative complications, postoperative Harris hip function score, and Barthel ability to daily living Score were compared between the two groups. Follow-up was routinely scheduled at 1, 3, 6, and 12 months postoperatively. RESULTS Based on the exclusion criteria, 254 patients who met the requirements were left to be included in this study, including the control group (n = 133) and the KOA group (n = 121). Patients were followed up for a mean of 17.5 months (12-24 months). There was no significant difference between the two groups in preoperative demographic data, intraoperative blood loss, operation time, and length of stay in the hospital. The control group was statistically significant compared to the KOA group in terms of postoperative time out of bed (17.8 ± 4.0 days vs. 19.1 ± 5.8 days), fracture healing time (13.7 ± 2.2 weeks vs. 14.6 ± 3.7 weeks), and postoperative complications (12.8 vs. 23.1%). The Harris hip function score and Barthel ability to daily living score were higher in the control group than in the KOA group at 1, 3, 6, and 12 months postoperatively (the control group: 63.8 ± 10.9, 71.8 ± 10.3, 81.5 ± 8.7, and 91.6 ± 6.3 vs. The KOA group 61.0 ± 10.4, 68.6 ± 9.1, 79.0 ± 9.2, and 88.5 ± 5.9). CONCLUSIONS In elderly patients with IFs combined with KOA of the fracture side treated with PFNA internal fixation, KOA increases the incidence of postoperative complications of the fracture, prolongs postoperative time out of bed and fracture healing, and reduces postoperative hip function and ability to daily living. Therefore, treating KOA on the fractured side needs to be considered when treating IFs in the elderly.
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Affiliation(s)
- Jiaxing Lv
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Xiaolong Li
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Wenkui Qiu
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Jianjun Ji
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Lichao Cao
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Lei Li
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China
| | - Yihong Zhang
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China.
| | - Zhenyan Su
- Kaifeng Central Hospital, Orthopedic Ward 2, Kaifeng/ Henan, 475000, P. R. China.
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Zhu C, Ding H, Shi L, Zhang S, Tong X, Huang M, Liu L, Guan X, Zou J, Yuan Y, Chen X. Exercise improved bone health in aging mice: a role of SIRT1 in regulating autophagy and osteogenic differentiation of BMSCs. Front Endocrinol (Lausanne) 2023; 14:1156637. [PMID: 37476496 PMCID: PMC10355118 DOI: 10.3389/fendo.2023.1156637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 06/07/2023] [Indexed: 07/22/2023] Open
Abstract
Introduction This study was designed to investigate the effect of running exercise on improving bone health in aging mice and explore the role of the SIRT1 in regulating autophagy and osteogenic differentiation of Bone marrow Mesenchymal Stem Cells (BMSCs). Methods Twelve-month-old male C57BL/6J mice were used in this study as the aging model and were assigned to treadmill running exercise for eight weeks. Non-exercise male C57BL/6J mice of the same old were used as aging control and five-month-old mice were used as young controls. BMSCs were isolated from mice and subjected to mechanical stretching stimulation in vitro. Results The results showed that aging mice had lower bone mass, bone mineral density (BMD), and autophagy than young mice, while running exercise improved BMD and bone mass as well as upregulated autophagy in bone cells. Mechanical loading increased osteogenic differentiation and autophagy in BMSCs, and knockdown of SIRT1 in BMSCs demonstrated that SIRT1-regulated autophagy involved the mechanical loading activation of osteogenic differentiation. Conclusion Taken together, this study revealed that exercise improved bone health during aging by activating bone formation, which can be attributed to osteogenic differentiation of BMSCs through the activation of SIRT1-mediated autophagy. The mechanisms underlying this effect may involve mechanical loading.
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Affiliation(s)
- Chengyu Zhu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
- School of Sports Science, Wenzhou Medical University, Wenzhou, China
| | - Haili Ding
- Institute of Sports Medicine and Health, Chengdu Sport University, Chengdu, China
| | - Liang Shi
- Department of Gynaecology and Obstetrics, Xinchang People’s Hospital, Shaoxing, China
| | - Shihua Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xiaoyang Tong
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Mei Huang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Lifei Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation, The People’s Hospital of Liaoning Province, Shenyang, China
| | - Xiaotian Guan
- Institute of Sports Medicine and Health, Chengdu Sport University, Chengdu, China
| | - Jun Zou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yu Yuan
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Xi Chen
- School of Sports Science, Wenzhou Medical University, Wenzhou, China
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6
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Takashima Y, Matsumoto T, Nakano N, Kamenaga T, Kuroda Y, Hayashi S, Matsushita T, Niikura T, Kuroda R. The influence of ruptured scar pattern of human anterior cruciate ligament remnant tissue on tendon-bone healing in vivo. J Orthop Res 2023; 41:500-510. [PMID: 35634871 DOI: 10.1002/jor.25387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/12/2022] [Accepted: 05/26/2022] [Indexed: 02/04/2023]
Abstract
The purpose of this study was to determine whether the transplantation of human cells from a non-reattached injured anterior cruciate ligament (ACL) remnant could enhance tendon-bone healing. Human ACL remnant tissue was classified into two groups based on the morphologic pattern as per Crain's classification: (1) non-reattachment group (Crain Ⅳ) and (2) reattachment group (Crain Ⅰ-Ⅲ). Seventy-five 10-week-old immunodeficient rats underwent ACL reconstruction followed by intracapsular administration of one of the following: (1) ACL-derived cells from the non-reattached remnant (non-reattachment group) (n = 5), (2) ACL-derived cells from the reattached tissue (reattachment group) (n = 5), or (3) phosphate-buffered saline (PBS) only (PBS group) (n = 5). Histological (Weeks 2, 4, and 8), immunohistochemical (Week 2), radiographic (Weeks 0, 2, 4, and 8), and biomechanical (Week 8) assessments were performed. Histological evaluation showed high and early healing, induction of endochondral ossification-like integration, and mature bone ingrowth at Week 4 in the non-reattachment group. Microcomputed tomography at Week 4 showed that the tibial bone tunnels in the non-reattachment group were significantly reduced compared to those in the reattachment and PBS groups. Moreover, biomechanical testing showed that ultimate load-to-failure in the non-reattachment group tended to be larger than that in the reattachment group, though not statistically significant. The enhanced healing potential in the non-reattachment group was explained by the increase in intrinsic angiogenesis/osteogenesis. In the subacute phase, the ACL-derived cells with the non-reattached morphologic pattern showed greater and earlier tendon bone healing compared with the cells obtained from the reattached morphologic pattern.
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Affiliation(s)
- Yoshinori Takashima
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoki Nakano
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyuki Kamenaga
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuichi Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinya Hayashi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takahiro Niikura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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Luo G, Wosinski P, Salazar-Noratto GE, Bensidhoum M, Bizios R, Marashi SA, Potier E, Sheng P, Petite H. Glucose Metabolism: Optimizing Regenerative Functionalities of Mesenchymal Stromal Cells Postimplantation. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:47-61. [PMID: 35754335 DOI: 10.1089/ten.teb.2022.0063] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Mesenchymal stromal cells (MSCs) are considered promising candidates for regenerative medicine applications. Their clinical performance postimplantation, however, has been disappointing. This lack of therapeutic efficacy is most likely due to suboptimal formulations of MSC-containing material constructs. Tissue engineers, therefore, have developed strategies addressing/incorporating optimized cell, microenvironmental, biochemical, and biophysical cues/stimuli to enhance MSC-containing construct performance. Such approaches have had limited success because they overlooked that maintenance of MSC viability after implantation for a sufficient time is necessary for MSCs to develop their regenerative functionalities fully. Following a brief overview of glucose metabolism and regulation in MSCs, the present literature review includes recent pertinent findings that challenge old paradigms and notions. We hereby report that glucose is the primary energy substrate for MSCs, provides precursors for biomass generation, and regulates MSC functions, including proliferation and immunosuppressive properties. More importantly, glucose metabolism is central in controlling in vitro MSC expansion, in vivo MSC viability, and MSC-mediated angiogenesis postimplantation when addressing MSC-based therapies. Meanwhile, in silico models are highlighted for predicting the glucose needs of MSCs in specific regenerative medicine settings, which will eventually enable tissue engineers to design viable and potent tissue constructs. This new knowledge should be incorporated into developing novel effective MSC-based therapies. Impact statement The clinical use of mesenchymal stromal cells (MSCs) has been unsatisfactory due to the inability of MSCs to survive and be functional after implantation for sufficient periods to mediate directly or indirectly a successful regenerative tissue response. The present review summarizes the endeavors in the past, but, most importantly, reports the latest findings that elucidate underlying mechanisms and identify glucose metabolism as the crucial parameter in MSC survival and the subsequent functions pertinent to new tissue formation of importance in tissue regeneration applications. These latest findings justify further basic research and the impetus for developing new strategies to improve the modalities and efficacy of MSC-based therapies.
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Affiliation(s)
- Guotian Luo
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
| | - Pauline Wosinski
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
| | - Giuliana E Salazar-Noratto
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
| | - Morad Bensidhoum
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
| | - Rena Bizios
- Department of Biomedical Engineering, The University of Texas at San Antonio, San Antonio, Texas, USA
| | - Sayed-Amir Marashi
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Esther Potier
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
| | - Puyi Sheng
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hervé Petite
- Université Paris Cité, CNRS, INSERM, B3OA, Paris, France.,École Nationale Vétérinaire d'Alfort, B3OA, Maisons-Alfort, France
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Changes in interstitial fluid flow, mass transport and the bone cell response in microgravity and normogravity. Bone Res 2022; 10:65. [PMID: 36411278 PMCID: PMC9678891 DOI: 10.1038/s41413-022-00234-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 08/17/2022] [Accepted: 08/29/2022] [Indexed: 11/22/2022] Open
Abstract
In recent years, our scientific interest in spaceflight has grown exponentially and resulted in a thriving area of research, with hundreds of astronauts spending months of their time in space. A recent shift toward pursuing territories farther afield, aiming at near-Earth asteroids, the Moon, and Mars combined with the anticipated availability of commercial flights to space in the near future, warrants continued understanding of the human physiological processes and response mechanisms when in this extreme environment. Acute skeletal loss, more severe than any bone loss seen on Earth, has significant implications for deep space exploration, and it remains elusive as to why there is such a magnitude of difference between bone loss on Earth and loss in microgravity. The removal of gravity eliminates a critical primary mechano-stimulus, and when combined with exposure to both galactic and solar cosmic radiation, healthy human tissue function can be negatively affected. An additional effect found in microgravity, and one with limited insight, involves changes in dynamic fluid flow. Fluids provide the most fundamental way to transport chemical and biochemical elements within our bodies and apply an essential mechano-stimulus to cells. Furthermore, the cell cytoplasm is not a simple liquid, and fluid transport phenomena together with viscoelastic deformation of the cytoskeleton play key roles in cell function. In microgravity, flow behavior changes drastically, and the impact on cells within the porous system of bone and the influence of an expanding level of adiposity are not well understood. This review explores the role of interstitial fluid motion and solute transport in porous bone under two different conditions: normogravity and microgravity.
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Park JH, Koh EB, Seo YJ, Oh HS, Won JY, Hwang SC, Byun JH. Tiron Has Negative Effects on Osteogenic Differentiation via Mitochondrial Dysfunction in Human Periosteum-Derived Cells. Int J Mol Sci 2022; 23:ijms232214040. [PMID: 36430519 PMCID: PMC9693013 DOI: 10.3390/ijms232214040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/09/2022] [Accepted: 11/13/2022] [Indexed: 11/16/2022] Open
Abstract
Tiron is a potent antioxidant that counters the pathological effects of reactive oxygen species (ROS) production due to oxidative stress in various cell types. We examined the effects of tiron on mitochondrial function and osteoblastic differentiation in human periosteum-derived cells (hPDCs). Tiron increased mitochondrial activity and decreased senescence-associated β-galactosidase activity in hPDCs; however, it had a detrimental effect on osteoblastic differentiation by reducing alkaline phosphatase (ALP) activity and alizarin red-positive mineralization, regardless of H2O2 treatment. Osteoblast-differentiating hPDCs displayed increased ROS production compared with non-differentiating hPDCs, and treatment with tiron reduced ROS production in the differentiating cells. Antioxidants decreased the rates of oxygen consumption and ATP production, which are increased in hPDCs during osteoblastic differentiation. In addition, treatment with tiron reduced the levels of most mitochondrial proteins, which are increased in hPDCs during culture in osteogenic induction medium. These results suggest that tiron exerts negative effects on the osteoblastic differentiation of hPDCs by causing mitochondrial dysfunction.
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Affiliation(s)
- Jin-Ho Park
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
| | - Eun-Byeol Koh
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
| | - Young-Jin Seo
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
| | - Hye-Seong Oh
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
| | - Ju-Yeong Won
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
| | - Sun-Chul Hwang
- Department of Orthopaedic Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju 52828, Korea
| | - June-Ho Byun
- Department of Oral and Maxillofacial Surgery, Institute of Health Sciences, School of Medicine, Gyeongsang National University, Gyeongsang National University Hospital, Jinju 52727, Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52828, Korea
- Correspondence:
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10
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Zhao Z, Liu Y, Lu Y, Hou M, Shen X, Yang H, Shi Q, Zhang Y, He F, Zhu X. Gingko biloba-inspired lactone prevents osteoarthritis by activating the AMPK-SIRT1 signaling pathway. Arthritis Res Ther 2022; 24:197. [PMID: 35982488 PMCID: PMC9387049 DOI: 10.1186/s13075-022-02890-y] [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: 03/15/2022] [Accepted: 08/05/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Uncoupled extracellular matrix (ECM) causes cartilage degeneration and osteoarthritis (OA) by suppressing the synthesis and activating the degradation of ECM components. Gingko biloba is a natural Chinese herb with a variety of biological functions; however, the extent to which it can protect against OA and the mechanisms involved are unknown. METHODS In our study, using bioinformatics tools, we were able to identify an important lactone, bilobalide (BB), from Gingko biloba. In vitro experiments were performed to evaluate the potential therapeutic effects of BB on ECM homeostasis. In vivo experiments were conducted to assess the protection of systemic administration of BB on cartilage degeneration. Molecular mechanisms underlying BB-regulated anti-arthritic role were further explored. RESULTS In interleukin-1β-incubated human chondrocytes, in vitro treatment with BB increased the expression of cartilage anabolic proteins, while inhibiting the activities of ECM degrading enzymes. In a mice model, systemic administration of BB, in vivo, prevented post-traumatic cartilage erosion and attenuated the formation of abnormal osteophytes in the subchondral bone. Mechanistically, the activation of the adenosine 5'-monophosphate-activated protein kinase (AMPK)-sirtuin 1 (SIRT1) signaling pathway was involved in the anti-arthritic effects of BB. In vitro, blocking BB's chondroprotection with the AMPK-specific inhibitor Compound C abrogated it. CONCLUSIONS These results demonstrated that BB extracted from Gingko biloba regulates ECM balance to prevent OA by activating the AMPK-SIRT1 signaling pathway. This study proposed the monomer BB, a traditional Chinese medicine, as a de novo therapeutic insight for OA. Schematic representation of the experimental design. Based on the bioinformatic analysis, bilobalide (BB), a natural herb Gingko biloba-derived ingredient, was identified as a candidate for treating osteoarthritis. In vitro, BB treatment not only facilitates cartilage extracellular matrix synthesis but also inhibits proteolytic enzyme activities. In vivo intraperitoneal injection of BB improves cartilage degeneration and subchondral bone sclerosis. BB, in particular, had anti-arthritic effects by activating the AMPK-SIRT1 signaling pathway.
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Affiliation(s)
- Zhijian Zhao
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Yang Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Yingjie Lu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Mingzhuang Hou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Xu Shen
- Department of Orthopaedics, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Qin Shi
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Yijian Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China. .,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China.
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China. .,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China.
| | - Xuesong Zhu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China. .,Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China.
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11
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Yu X, Xu X, Dong W, Yang C, Luo Y, He Y, Jiang C, Wu Y, Wang J. DDIT3/CHOP mediates the inhibitory effect of ER stress on chondrocyte differentiation by AMPKα-SIRT1 pathway. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119265. [PMID: 35381294 DOI: 10.1016/j.bbamcr.2022.119265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/26/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Endoplasmic reticulum (ER) stress is an evolutionarily conserved cellular stress response related to multiple diseases, including temporomandibular joint (TMJ) cartilage-related diseases. Recent studies have indicated that DDIT3/CHOP (a downstream transcription factor of ER stress) is an important effector in mediating ER stress to inhibit chondrogenesis. However, the underlying mechanism by which DDIT3 regulates chondrogenesis remains unclear. In this study, tunicamycin (an ER stress agonist)-induced ER stress inhibited chondrocyte differentiation and matrix synthesis in vitro and led to an osteoarthritis-like phenotype in mouse TMJ cartilage. Meanwhile, DDIT3 expression in chondrocytes was robustly upregulated. Loss-of-function experiments validated the inhibiting effect of DDIT3 on chondrocyte differentiation and matrix synthesis. Mechanistically, the inhibiting effect was attributed to the direct and indirect regulatory effect of DDIT3 on SIRT1 (sirtuin1, silent mating type information regulation protein type 1, a member of NAD+ dependent class III histone deacetylases). On one hand, DDIT3 directly promoted the transcription of SIRT1. On the other hand, DDIT3 indirectly increased the expression of SIRT1 by promoting AMPKα phosphorylation and activation. Furthermore, activation of AMPKα or SIRT1 with the corresponding agonist AICAR or resveratrol in the DDIT3-knockdown cells partially restored the inhibiting effect of DDIT3 on chondrocyte differentiation and matrix synthesis. Collectively, these novel findings indicate that DDIT3 regulates the inhibitory effect of ER stress on chondrocyte differentiation and matrix synthesis partially via the AMPKα-SIRT1 pathway. A thorough understanding of ER stress in regulating chondrocyte homeostasis and its role in the onset of osteoarthritis may be promising to develop therapeutic targets and prevent condyle cartilage destruction.
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Affiliation(s)
- Xijie Yu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Xiaoxiao Xu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Wei Dong
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Chang Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Yao Luo
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Ying He
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Chenxi Jiang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China; Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yanru Wu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China
| | - Jiawei Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China.
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12
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Zhou X, Zhang Y, Hou M, Liu H, Yang H, Chen X, Liu T, He F, Zhu X. Melatonin Prevents Cartilage Degradation in Early-Stage Osteoarthritis Through Activation of miR-146a/NRF2/HO-1 Axis. J Bone Miner Res 2022; 37:1056-1072. [PMID: 35147250 DOI: 10.1002/jbmr.4527] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 01/02/2022] [Accepted: 01/19/2022] [Indexed: 11/07/2022]
Abstract
Reactive oxygen species (ROS) are implicated in induction of inflammatory response and cartilage degradation in osteoarthritis (OA). Melatonin has been shown to improve the chondrogenic differentiation and promote cartilage matrix synthesis in mesenchymal stem cells. However, the underlying mechanisms of melatonin-regulated antioxidant activity in OA cartilage are not known. The aim of this study was to explore the effect of melatonin on nuclear factor-erythroid 2-related factor 2 (NRF2), a key antioxidant transcription factor, and its target antioxidant genes in early-stage OA cartilage. Primary chondrocytes were isolated from rats with surgically induced OA. In vitro treatment of melatonin significantly increased cartilage matrix synthesis and upregulated antioxidant enzymes, mainly heme oxygenase 1 (HO-1), while decreasing matrix degradation enzymes and intracellular ROS. In vivo intraarticular injection of melatonin effectively ameliorated cartilage degeneration in an experimental rat OA model. Inhibition of melatonin membrane receptors by Luzindole or 4-P-PDOT reversed the beneficial effects of melatonin on cartilage matrix synthesis, implying that melatonin receptor-mediated pathway is involved in its anti-arthritic effects. Interestingly, melatonin showed no significant effect on the mRNA level of Nrf2 but significantly increased its protein level. Silencing of Nrf2 or HO-1 expression abolished the protective effects of melatonin, as shown by increased ROS levels and matrix degradation enzyme expression. Microarray assays revealed that miR-146a, a predicted target for Nrf2, was significantly upregulated in OA chondrocytes but was markedly reduced by melatonin treatment. Overexpression of miR-146a diminished the protective effects of melatonin by inhibiting NRF2 expression and aggravating OA-induced cartilage degradation. These findings demonstrate that melatonin supports the anabolic metabolism of cartilage matrix in OA chondrocytes by enhancing the protein levels of NRF2 via suppressing miR-146a. Melatonin-mediated activation of the NRF2/HO-1 axis prevents cartilage degeneration and represents a promising therapeutic target for treatment of early-stage OA. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Xinfeng Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Yijian Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Mingzhuang Hou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Hao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Xi Chen
- Department of Pathology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Xuesong Zhu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
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13
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Zha K, Tian Y, Panayi AC, Mi B, Liu G. Recent Advances in Enhancement Strategies for Osteogenic Differentiation of Mesenchymal Stem Cells in Bone Tissue Engineering. Front Cell Dev Biol 2022; 10:824812. [PMID: 35281084 PMCID: PMC8904963 DOI: 10.3389/fcell.2022.824812] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/08/2022] [Indexed: 12/12/2022] Open
Abstract
Although bone is an organ that displays potential for self-healing after damage, bone regeneration does not occur properly in some cases, and it is still a challenge to treat large bone defects. The development of bone tissue engineering provides a new approach to the treatment of bone defects. Among various cell types, mesenchymal stem cells (MSCs) represent one of the most promising seed cells in bone tissue engineering due to their functions of osteogenic differentiation, immunomodulation, and secretion of cytokines. Regulation of osteogenic differentiation of MSCs has become an area of extensive research over the past few years. This review provides an overview of recent research progress on enhancement strategies for MSC osteogenesis, including improvement in methods of cell origin selection, culture conditions, biophysical stimulation, crosstalk with macrophages and endothelial cells, and scaffolds. This is favorable for further understanding MSC osteogenesis and the development of MSC-based bone tissue engineering.
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Affiliation(s)
- Kangkang Zha
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Yue Tian
- Department of Military Patient Management, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Institute of Orthopaedics, Chinese PLA General Hospital, Beijing, China
| | - Adriana C. Panayi
- Division of Plastic Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Bobin Mi
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
- *Correspondence: Bobin Mi, ; Guohui Liu,
| | - Guohui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
- *Correspondence: Bobin Mi, ; Guohui Liu,
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14
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Sahlender B, Windolf J, Suschek CV. Superoxide dismutase and catalase significantly improve the osteogenic differentiation potential of osteogenetically compromised human adipose tissue-derived stromal cells in vitro. Stem Cell Res 2022; 60:102708. [DOI: 10.1016/j.scr.2022.102708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 01/19/2022] [Accepted: 02/07/2022] [Indexed: 01/28/2023] Open
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15
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Sun Y, Wan B, Wang R, Zhang B, Luo P, Wang D, Nie JJ, Chen D, Wu X. Mechanical Stimulation on Mesenchymal Stem Cells and Surrounding Microenvironments in Bone Regeneration: Regulations and Applications. Front Cell Dev Biol 2022; 10:808303. [PMID: 35127684 PMCID: PMC8815029 DOI: 10.3389/fcell.2022.808303] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/03/2022] [Indexed: 01/15/2023] Open
Abstract
Treatment of bone defects remains a challenge in the clinic. Artificial bone grafts are the most promising alternative to autologous bone grafting. However, one of the limiting factors of artificial bone grafts is the limited means of regulating stem cell differentiation during bone regeneration. As a weight-bearing organ, bone is in a continuous mechanical environment. External mechanical force, a type of biophysical stimulation, plays an essential role in bone regeneration. It is generally accepted that osteocytes are mechanosensitive cells in bone. However, recent studies have shown that mesenchymal stem cells (MSCs) can also respond to mechanical signals. This article reviews the mechanotransduction mechanisms of MSCs, the regulation of mechanical stimulation on microenvironments surrounding MSCs by modulating the immune response, angiogenesis and osteogenesis, and the application of mechanical stimulation of MSCs in bone regeneration. The review provides a deep and extensive understanding of mechanical stimulation mechanisms, and prospects feasible designs of biomaterials for bone regeneration and the potential clinical applications of mechanical stimulation.
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Affiliation(s)
- Yuyang Sun
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Ben Wan
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam (VU), Amsterdam Movement Science (AMS), Amsterdam, Netherlands
| | - Renxian Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Bowen Zhang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Peng Luo
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | - Diaodiao Wang
- Department of Joint Surgery, Peking University Ninth School of Clinical Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Jing-Jun Nie
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- *Correspondence: Jing-Jun Nie, ; Dafu Chen,
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
- *Correspondence: Jing-Jun Nie, ; Dafu Chen,
| | - Xinbao Wu
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
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16
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He Q, Lin J, Zhou F, Cai D, Yan Y, Shan Y, Zhang S, Li T, Yao X, Ouyang H. “Musical dish” efficiently induces osteogenic differentiation of mesenchymal stem cells through music derived micro‐stretch with variable frequency. Bioeng Transl Med 2022; 7:e10291. [PMID: 35600662 PMCID: PMC9115692 DOI: 10.1002/btm2.10291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/01/2021] [Accepted: 12/30/2021] [Indexed: 11/16/2022] Open
Abstract
Nonuniform microstretching (NUMS) naturally occurs in real bone tissues in vivo, but its profound effects have not been identified yet. In order to explore the biological effects of NUMS and static stretch (uniform stretch [US]) on cells, a new “musical dish” device was developed. Musical signal was used to provide NUMS to cells. More stress fibers, arranging along the long axis of cells, were formed throughout the cells under NUMS, compared with US and untreated control group, although cell morphology did not show any alteration. Whole transcriptome sequencing revealed enhanced osteogenic differentiation of cells after NUMS treatment. Cells in the NUMS group showed a higher expression of bone‐related genes, while genes related to stemness and other lineages were down‐regulated. Our results give insights into the biological effects of NUMS and US on stem cell osteogenic differentiation, suggesting beneficial effects of micromechanical stimulus for osteogenesis. The newly developed device provides a basis for the development of NUMS derived rehabilitation technology to promote bone healing.
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Affiliation(s)
- Qiulin He
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
| | - Junxin Lin
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
| | - Fanghao Zhou
- Center for X‐Mechanics, Department of Engineering Mechanics Zhejiang University Hangzhou China
| | - Dandan Cai
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
| | - Yiyang Yan
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
| | - Yejie Shan
- Center for X‐Mechanics, Department of Engineering Mechanics Zhejiang University Hangzhou China
| | - Shufang Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou China
| | - Tiefeng Li
- Center for X‐Mechanics, Department of Engineering Mechanics Zhejiang University Hangzhou China
| | - Xudong Yao
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine Yiwu China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Department of Sports Medicine Zhejiang University School of Medicine Hangzhou China
- Zhejiang University‐University of Edinburgh Institute, Zhejiang University School of Medicine, and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine Hangzhou China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou China
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17
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Wang N, Gan G, Yang J, Wang L. Barbaloin Promotes Osteogenic Differentiation of Human Bone Marrow Mesenchymal Stem Cells: Involvement of Wnt/β-catenin Signaling Pathway. Curr Med Chem 2022; 29:6100-6111. [PMID: 35770399 DOI: 10.2174/0929867329666220629150656] [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: 02/01/2022] [Revised: 04/08/2022] [Accepted: 05/16/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Barbaloin, found in Aloe vera, exerts broad pharmacological activities, including antioxidant, anti-inflammatory, and anti-cancer. This study aims to investigate the effects of barbaloin on the osteogenic differentiation of human bone marrow mesenchymal stem cells (hBMSCs). METHODS Osteogenic induction of hBMSCs was performed in the presence or absence of barbaloin. Cell viability was determined by using the CCK-8 assay. The characteristic of hBMSCs was identified by using flow cytometry. Intracellular alkaline phosphatase (ALP) staining was performed to evaluate the ALP activity in hBMSCs. Alizarin Red S staining was performed to evaluate the matrix mineralization. The mRNA and protein levels of target genes were determined using qRT-PCR and western blotting, respectively. RESULTS Treatment with barbaloin (10 and 20 μg/mL) significantly increased cell viability of hBMSCs after 72 hours. In addition, treatment with barbaloin increased the mRNA expression levels of ALP and its activities. Treatment with barbaloin also increased matrix mineralization and the mRNA and protein levels of late-differentiated osteoblast marker genes BMP2, RUNX2, and SP7 in hBMSCs. The underlying mechanisms revealed that barbaloin increased the protein expressions of Wnt/β-catenin pathway-related biomarkers. CONCLUSION Barbaloin promotes osteogenic differentiation of hBMSCs by the regulation of the Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Nan Wang
- Department of Emergency Surgery, the First Affiliated Hospital of Zhengzhou University; Henan Medical Key Laboratory of Emergency and Trauma Research; No. 1 Jianshe East Road, Zhengzhou 450052, Henan, China
| | - Guoli Gan
- Department of Emergency Surgery, the First Affiliated Hospital of Zhengzhou University; Henan Medical Key Laboratory of Emergency and Trauma Research; No. 1 Jianshe East Road, Zhengzhou 450052, Henan, China
| | - Jihao Yang
- Department of Emergency Surgery, the First Affiliated Hospital of Zhengzhou University; Henan Medical Key Laboratory of Emergency and Trauma Research; No. 1 Jianshe East Road, Zhengzhou 450052, Henan, China
| | - Luyao Wang
- Stomatological Center, the First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou 450052, Henan, China
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18
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Reis J, Ramos A. In Sickness and in Health: The Oxygen Reactive Species and the Bone. Front Bioeng Biotechnol 2021; 9:745911. [PMID: 34888300 PMCID: PMC8650620 DOI: 10.3389/fbioe.2021.745911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/28/2021] [Indexed: 12/30/2022] Open
Abstract
Oxidative stress plays a central role in physiological and pathological bone conditions. Its role in signalment and control of bone cell population differentiation, activity, and fate is increasingly recognized. The possibilities of its use and manipulation with therapeutic goals are virtually unending. However, how redox balance interplays with the response to mechanical stimuli is yet to be fully understood. The present work summarizes current knowledge on these aspects, in an integrative and broad introductory perspective.
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Affiliation(s)
- Joana Reis
- Agronomic and Veterinary Sciences, School of Agriculture, Polytechnic Institute of Viana Do Castelo, Ponte de Lima, Portugal
| | - António Ramos
- TEMA, Mechanical Engineering Department, University of Aveiro, Aveiro, Portugal
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19
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Lin S, Li J, Shao J, Zhang J, He X, Huang D, Dong L, Lin J, Weng W, Cheng K. Anisotropic magneto-mechanical stimulation on collagen coatings to accelerate osteogenesis. Colloids Surf B Biointerfaces 2021; 210:112227. [PMID: 34838419 DOI: 10.1016/j.colsurfb.2021.112227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 11/08/2021] [Accepted: 11/14/2021] [Indexed: 01/08/2023]
Abstract
Mechanical stimulation has been considered to be critical to cellular response and tissue regeneration. However, harnessing the direction of mechanical stimulation during osteogenesis still remains a challenge. In this study, we designed a series of novel magnetized collagen coatings (MCCs) (randomly or parallel-oriented collagen fibers) to exert the anisotropic mechanical stimulation using oriented magnetic actuation during osteogenesis. Strikingly, we found the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) were significantly up-regulated when the direction of magnetic actuation was parallel to the randomly-oriented collagen coating surface, in contrast to the down-regulated capacity under the perpendicular magnetic actuation. Moreover, further exerting a parallel mechanical stimulation along the parallel-oriented collagen coating, which cells have been oriented by the oriented collagens, were not only able to up-regulate the osteogenic differentiation of BMSCs but also promote the new bone formation during osteogenesis in vivo. We also demonstrated the anisotropic magneto-mechanical stimulation for the osteogenic differences might be attributed to the stretching or bending tensile status of collagen fibers controlled by the direction of magnetic actuation, driving the α5β1-dependent integrin signaling cascade. This study therefore got insight of understanding the directional mechanical stimulation on osteogenesis, and also paved a way for sustaining regulation of the biomaterials-host interface.
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Affiliation(s)
- Suya Lin
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Center of Rehabilitation Biomedical Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, China
| | - Juan Li
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Jiaqi Shao
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Jiamin Zhang
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Center of Rehabilitation Biomedical Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, China
| | - Xuzhao He
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Center of Rehabilitation Biomedical Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, China
| | - Donghua Huang
- Department of Orthopaedic Surgery, the Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Lingqing Dong
- The Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Jun Lin
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China.
| | - Wenjian Weng
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Center of Rehabilitation Biomedical Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, China
| | - Kui Cheng
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Center of Rehabilitation Biomedical Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, China; Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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20
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Xu Y, Wang X, Liu W, Lu W. Thrombin-activated platelet-rich plasma enhances osteogenic differentiation of human periodontal ligament stem cells by activating SIRT1-mediated autophagy. Eur J Med Res 2021; 26:105. [PMID: 34526113 PMCID: PMC8444612 DOI: 10.1186/s40001-021-00575-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
Background Platelet-rich plasma (PRP) has the potential to be used for bone regeneration. However, its effect on osteogenic differentiation of human periodontal ligament stem cells (hPDLSCs) and its effect on cell autophagy of hPDLSCs remain unknown. In this study, we investigated the effects of PRP on cell viability and osteogenic differentiation of hPDLSCs and the underlying molecular mechanisms. Methods hPDLSCs were isolated and identified by morphology and flow cytometry analysis. Next, thrombin-activated PRP was used to stimulate hPDLSCs. The MTT assay was used to analyze cell viability. Osteogenic differentiation was investigated using alkaline phosphatase (ALP) activity assay, alizarin red S (ARS) staining, and gene expression analysis of osteogenic markers. Expression of the autophagic proteins was determined using western blotting. Results Thrombin-activated PRP significantly enhanced cell viability, ALP activity, osteogenic-related mRNA levels and alizarin red-mineralization activity in hPDLSCs in a dose-dependent manner. Furthermore, activated PRP dose-dependently increased LC3-II/I ratio and the expression of SIRT1 and Beclin-1. PRP treatment also enhanced the autophagic flux. It was also demonstrated that the inhibition of SIRT1 using sirtinol or suppression of autophagy by 3-methyladenine (3-MA) abrogated PRP-induced viability and osteogenic differentiation of hPDLSCs. Conclusion Our study suggested that thrombin-activated PRP accelerated the viability and osteogenic differentiation of hPDLSCs via SIRT1-mediated autophagy induction. PRP enhances cell viability and osteogenic differentiation of hPDLSCs. Activated PRP dose-dependently increases cell autophagy. Inhibition of autophagy abrogates PRP-induced osteogenic differentiation of hPDLSCs.
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Affiliation(s)
- Yunhe Xu
- Department of Stomatology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Xiaoning Wang
- Department of Blood Transfusion, The First Hospital of Jilin University, No. 71 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, China
| | - Wenshu Liu
- Department of Stomatology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Weiwei Lu
- Department of Blood Transfusion, The First Hospital of Jilin University, No. 71 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, China.
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21
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Shi J, Xiao Y, Wu M, Guan J. [Research on the nature of micromovement and the biomechanical staging of fracture healing]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:1205-1211. [PMID: 34523290 DOI: 10.7507/1002-1892.202103050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To explore the nature of micromovement and the biomechanical staging of fracture healing. Methods Through literature review and theoretical analysis, the difference in micromovement research was taken as the breakthrough point to try to provide a new understanding of the role of micromovement and the mechanical working mode in the process of fracture healing. Results The process of fracture healing is the process of callus generation and connection. The micromovement is the key to start the growth of callus, and the total amount of callus should be matched with the size of the fracture space. The strain at the fracture end is the key to determine the callus connection. The strain that can be tolerated by different tissues in the fracture healing process will limit the micromovement. According to this, the fracture healing process can be divided into the initiation period, perfusion period, contradiction period, connection period, and physiological period, i.e., the biomechanical staging of fracture healing. Conclusion Biomechanical staging of fracture healing incorporates important mechanical parameters affecting fracture healing and introduces the concepts of time and space, which helps to understand the role of biomechanics, and its significance needs further clinical test and exploration.
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Affiliation(s)
- Jinyou Shi
- Department of Orthopaedics, the First Affiliated Hospital, Bengbu Medical College, Bengbu Anhui, 233000, P.R.China
| | - Yuzhou Xiao
- Department of Orthopaedics, the First Affiliated Hospital, Bengbu Medical College, Bengbu Anhui, 233000, P.R.China
| | - Min Wu
- Department of Orthopaedics, the First Affiliated Hospital, Bengbu Medical College, Bengbu Anhui, 233000, P.R.China
| | - Jianzhong Guan
- Department of Orthopaedics, the First Affiliated Hospital, Bengbu Medical College, Bengbu Anhui, 233000, P.R.China
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22
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Gli1 + Cells Residing in Bone Sutures Respond to Mechanical Force via IP 3R to Mediate Osteogenesis. Stem Cells Int 2021; 2021:8138374. [PMID: 34434241 PMCID: PMC8380501 DOI: 10.1155/2021/8138374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/26/2021] [Accepted: 07/02/2021] [Indexed: 12/12/2022] Open
Abstract
Early orthodontic correction of skeletal malocclusion takes advantage of mechanical force to stimulate unclosed suture remodeling and to promote bone reconstruction; however, the underlying mechanisms remain largely unclear. Gli1+ cells in maxillofacial sutures have been shown to participate in maxillofacial bone development and damage repair. Nevertheless, it remains to be investigated whether these cells participate in mechanical force-induced bone remodeling during orthodontic treatment of skeletal malocclusion. In this study, rapid maxillary expansion (RME) mouse models and mechanical stretch loading cell models were established using two types of transgenic mice which are able to label Gli1+ cells, and we found that Gli1+ cells participated in mechanical force-induced osteogenesis both in vivo and in vitro. Besides, we found mechanical force-induced osteogenesis through inositol 1,4,5-trisphosphate receptor (IP3R), and we observed for the first time that inhibition of Gli1 suppressed an increase in mechanical force-induced IP3R overexpression, suggesting that Gli1+ cells participate in mechanical force-induced osteogenesis through IP3R. Taken together, this study is the first to demonstrate that Gli1+ cells in maxillofacial sutures are involved in mechanical force-induced bone formation through IP3R during orthodontic treatment of skeletal malocclusion. Furthermore, our results provide novel insights regarding the mechanism of orthodontic treatments of skeletal malocclusion.
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23
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Somemura S, Kumai T, Yatabe K, Sasaki C, Fujiya H, Niki H, Yudoh K. Physiologic Mechanical Stress Directly Induces Bone Formation by Activating Glucose Transporter 1 (Glut 1) in Osteoblasts, Inducing Signaling via NAD+-Dependent Deacetylase (Sirtuin 1) and Runt-Related Transcription Factor 2 (Runx2). Int J Mol Sci 2021; 22:9070. [PMID: 34445787 PMCID: PMC8396442 DOI: 10.3390/ijms22169070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 12/23/2022] Open
Abstract
Mechanical stress is an important factor affecting bone tissue homeostasis. We focused on the interactions among mechanical stress, glucose uptake via glucose transporter 1 (Glut1), and the cellular energy sensor sirtuin 1 (SIRT1) in osteoblast energy metabolism, since it has been recognized that SIRT1, an NAD+-dependent deacetylase, may function as a master regulator of the mechanical stress response as well as of cellular energy metabolism (glucose metabolism). In addition, it has already been demonstrated that SIRT1 regulates the activity of the osteogenic transcription factor runt-related transcription factor 2 (Runx2). The effects of mechanical loading on cellular activities and the expressions of Glut1, SIRT1, and Runx2 were evaluated in osteoblasts and chondrocytes in a 3D cell-collagen sponge construct. Compressive mechanical loading increased osteoblast activity. Mechanical loading also significantly increased the expression of Glut1, significantly decreased the expression of SIRT1, and significantly increased the expression of Runx2 in osteoblasts in comparison with non-loaded osteoblasts. Incubation with a Glut1 inhibitor blocked mechanical stress-induced changes in SIRT1 and Runx2 in osteoblasts. In contrast with osteoblasts, the expressions of Glut1, SIRT1, and Runx2 in chondrocytes were not affected by loading. Our present study indicated that mechanical stress induced the upregulation of Glut1 following the downregulation of SIRT1 and the upregulation of Runx2 in osteoblasts but not in chondrocytes. Since SIRT1 is known to negatively regulate Runx2 activity, a mechanical stress-induced downregulation of SIRT1 may lead to the upregulation of Runx2, resulting in osteoblast differentiation. Incubation with a Glut1 inhibitor the blocked mechanical stress-induced downregulation of SIRT1 following the upregulation of Runx2, suggesting that Glut1 is necessary to mediate the responses of SIRT1 and Runx2 to mechanical loading in osteoblasts.
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Affiliation(s)
- Shu Somemura
- Department of Sports Medicine, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8511, Japan; (S.S.); (K.Y.); (H.F.)
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8512, Japan; (T.K.); (H.N.)
| | - Takanori Kumai
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8512, Japan; (T.K.); (H.N.)
| | - Kanaka Yatabe
- Department of Sports Medicine, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8511, Japan; (S.S.); (K.Y.); (H.F.)
| | - Chizuko Sasaki
- Institute for Ultrastructural Morphology, St. Marianna University Graduate School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8512, Japan;
| | - Hiroto Fujiya
- Department of Sports Medicine, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8511, Japan; (S.S.); (K.Y.); (H.F.)
| | - Hisateru Niki
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8512, Japan; (T.K.); (H.N.)
| | - Kazuo Yudoh
- Department of Frontier Medicine, Institute of Medical Science, St. Marianna University School of Medicine, Sugao 2-16-1, Miyamae-ku, Kawasaki 216-8512, Japan
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24
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Trejo-Iriarte CG, Ortega MA, Asúnsolo Á, Gómez-Clavel JF, Muñoz AG, Mon MÁ, Buján J, Acero J, García-Honduvilla N. Mesenchymal adipose stem cells maintain the capacity for differentiation and survival in culture beyond the long term. J Histotechnol 2021; 44:217-233. [PMID: 34412574 DOI: 10.1080/01478885.2021.1953248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Mesenchymal cells (MSCs) are considered to be cellular populations of common embryological origin. For clinical research applications, MSCs are expanded and increased with cells obtained from a primary culture. By extracting cells from tissue and encouraging them to reproduce, the stem cell population ends up dominating the culture due to a high proliferation rate and self-renewal. The first subcultures between the third and sixth are chosen in order to obtain the maximum number of cells with optimal differentiation capacity. However, few studies have reported long-term cultivation of MSCs. The objective of this study was to advance the knowledge on the characteristics of MSCs by assessing their capacity for self-renewal and phenotypic maintenance beyond 50 cell subcultures, which is defined as the normal limit for cellular survival. Rat subcutaneous adipose tissue was the source of mesenchymal adipose stem cells (MASCs) cultured over 175 subcultures. Early 1 to 5 and late 25 to 30 subcultures were used to induce cellular differentiation to become adipogenic, chondrogenic and osteogenic connective tissue cells. MASCs characteristics were studied using flow cytometry, transmission electron microscopy (TEM), and immunohistochemical and reverse transcription polymerase chain reaction (RT-qPCR) assays. The MASCs maintained cell differentiation capacity for more than 30 subcultures but lost potentiality starting at 60 up to 175 subcultures. MASCs showed the embryonic phenotypes OCT3/4 and Nanog indefinitely, and developed compensatory mechanisms, such as autophagy, to achieve cell survival over a long time period. Therefore, long-term subcultures showed that MASCs could maintain their potential for clinical research use.
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Affiliation(s)
- Cynthia G Trejo-Iriarte
- Research Group in Stem Cells and Tissue Engineering, Almaraz Dentistry Research Laboratory, Dentist Surgeon Studies, Iztacala Higher Studies School, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Miguel A Ortega
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
| | - Ángel Asúnsolo
- Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, Alcalá de Henares, Spain
| | - José F Gómez-Clavel
- Laboratory of Research in Education and Dentistry; Dentist Surgeon Studies, School of Higher Studies Iztacala, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Alejandro García Muñoz
- Research Group in Stem Cells and Tissue Engineering, Almaraz Dentistry Research Laboratory, Dentist Surgeon Studies, Iztacala Higher Studies School, National Autonomous University of Mexico, Mexico DF, Mexico
| | - Melchor Álvarez- Mon
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Immune System Diseases-Rheumatology and Oncology Service, CIBEREHD, University Hospital Príncipe de Asturias, Alcalá de Henares, Spain
| | - Julia Buján
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
| | - Julio Acero
- Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain.,Department of Oral and Maxillofacial Surgery, Ramon y Cajal University Hospital, Alcalá University, Madrid, Spain
| | - Natalio García-Honduvilla
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health, University of Alcalá, Alcalá de Henares, Spain.,Ramón y Cajal Institute of Healthcare Research (IRYCIS), Madrid, Spain
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25
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Abdollahiyan P, Oroojalian F, Baradaran B, de la Guardia M, Mokhtarzadeh A. Advanced mechanotherapy: Biotensegrity for governing metastatic tumor cell fate via modulating the extracellular matrix. J Control Release 2021; 335:596-618. [PMID: 34097925 DOI: 10.1016/j.jconrel.2021.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 12/19/2022]
Abstract
Mechano-transduction is the procedure of mechanical stimulus translation via cells, among substrate shear flow, topography, and stiffness into a biochemical answer. TAZ and YAP are transcriptional coactivators which are recognized as relay proteins that promote mechano-transduction within the Hippo pathway. With regard to healthy cells in homeostasis, mechano-transduction regularly restricts proliferation, and TAZ and YAP are totally inactive. During cancer development a YAP/TAZ - stimulating positive response loop is formed between the growing tumor and the stiffening ECM. As tumor developments, local stromal and cancerous cells take advantage of mechanotransduction to enhance proliferation, induce their migratory into remote tissues, and promote chemotherapeutic resistance. As a newly progresses paradigm, nanoparticle-conjunctions (such as magnetic nanoparticles, and graphene derivatives nanoparticles) hold significant promises for remote regulation of cells and their relevant events at molecular scale. Despite outstanding developments in employing nanoparticles for drug targeting studies, the role of nanoparticles on cellular behaviors (proliferation, migration, and differentiation) has still required more evaluations in the field of mechanotherapy. In this paper, the in-depth contribution of mechano-transduction is discussed during tumor progression, and how these consequences can be evaluated in vitro.
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Affiliation(s)
| | - Fatemeh Oroojalian
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran; Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Miguel de la Guardia
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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26
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Du K, Fang X, Li Z. Ferulic acid suppresses interleukin-1β-induced degeneration of chondrocytes isolated from patients with osteoarthritis through the SIRT1/AMPK/PGC-1α signaling pathway. IMMUNITY INFLAMMATION AND DISEASE 2021; 9:710-720. [PMID: 34078001 PMCID: PMC8342228 DOI: 10.1002/iid3.424] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 12/21/2022]
Abstract
Background Interleukin‐1β (IL‐1β) is involved in osteoarthritis pathogenesis and mediates a series of toxic processes including the production of matrix metalloproteinase and inflammatory regulators which are suppressed by activation of silent information regulator 1 (SIRT1). We aimed to determine the effects of ferulic acid (FA) on IL‐1β‐induced osteoarthritis chondrocyte degeneration. Methods We examined the effects of FA on osteoarthritis chondrocyte viability and SIRT1 activation. The impact of FA on IL‐1β‐induced osteoarthritis chondrocyte toxicity was determined by prostaglandin E2 (PGE2), nitrite, IL‐6, components of the extracellular matrix, and markers of oxidative stress. Finally, we determined whether these effects were mediated through SIRT1 by inhibiting SIRT1 activity using SIRT1 inhibitor Sirtinol. Results We found that FA activated SIRT1/AMPK/PGC‐1α signaling pathway and attenuated IL‐1β‐induced osteoarthritis chondrocyte degeneration by suppressing the production of IL‐6, PGE2, nitrite, Collagen I, Runx‐2, MMP‐1, MMP‐3, and MMP‐13, enhancing Collagen II and Aggrecan expression and inhibiting oxidative stress. Inhibition of SIRT1 by Sirtinol attenuated the protective effects of FA. Conclusion Our findings reveal that FA prevents IL‐1β‐induced osteoarthritis chondrocyte toxicity, which suggests that FA may be a potential therapy for osteoarthritis and warrants further investigation for its clinical application.
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Affiliation(s)
- Kewei Du
- Department of Orthopedics, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Xuchen Fang
- Department of Orthopedics, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Ziqiang Li
- Department of Orthopedics, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
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27
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Abstract
Due to the ability to differentiate into variety of cell types, mesenchymal stem cells (MSCs) hold promise as source in cell-based therapy for treating injured tissue and degenerative diseases. The potential use of MSCs to replace or repair damaged tissues may depend on the efficient differentiation protocols to derive specialized cells without any negative side effects. Identification of appropriate cues that support the lineage-specific differentiation of stem cells is critical for tissue healing and cellular therapy. Recently, a number of stimuli have been utilized to direct the differentiation of stem cells. Biochemical stimuli such as small molecule, growth factor and miRNA have been traditionally used to regulate the fate of stem cells. In recent years, many studies have reported that biophysical stimuli including cyclic mechanical strain, fluid shear stress, microgravity, electrical stimulation, matrix stiffness and topography can also be sensed by stem cells through mechanical receptors, thus affecting the stem cell behaviors including their differentiation potential. In this paper, we review all the most recent literature on the application of biochemical and biophysical cues on regulating MSC differentiation. An extensive literature search was done using electronic database (Medline/Pubmed). Although there are still some challenges that need to be taken into consideration before translating these methods into clinics, biochemical and biophysical stimulation appears to be an attractive method to manipulate the lineage commitment of MSCs.
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28
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Hou M, Zhang Y, Zhou X, Liu T, Yang H, Chen X, He F, Zhu X. Kartogenin prevents cartilage degradation and alleviates osteoarthritis progression in mice via the miR-146a/NRF2 axis. Cell Death Dis 2021; 12:483. [PMID: 33986262 PMCID: PMC8119954 DOI: 10.1038/s41419-021-03765-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 02/06/2023]
Abstract
Osteoarthritis (OA) is a common articular degenerative disease characterized by loss of cartilage matrix and subchondral bone sclerosis. Kartogenin (KGN) has been reported to improve chondrogenic differentiation of mesenchymal stem cells. However, the therapeutic effect of KGN on OA-induced cartilage degeneration was still unclear. This study aimed to explore the protective effects and underlying mechanisms of KGN on articular cartilage degradation using mice with post-traumatic OA. To mimic the in vivo arthritic environment, in vitro cultured chondrocytes were exposed to interleukin-1β (IL-1β). We found that KGN barely affected the cell proliferation of chondrocytes; however, KGN significantly enhanced the synthesis of cartilage matrix components such as type II collagen and aggrecan in a dose-dependent manner. Meanwhile, KGN markedly suppressed the expression of matrix degradation enzymes such as MMP13 and ADAMTS5. In vivo experiments showed that intra-articular administration of KGN ameliorated cartilage degeneration and inhibited subchondral bone sclerosis in an experimental OA mouse model. Molecular biology experiments revealed that KGN modulated intracellular reactive oxygen species in IL-1β-stimulated chondrocytes by up-regulating nuclear factor erythroid 2-related factor 2 (NRF2), while barely affecting its mRNA expression. Microarray analysis further revealed that IL-1β significantly up-regulated miR-146a that played a critical role in regulating the protein levels of NRF2. KGN treatment showed a strong inhibitory effect on the expression of miR-146a in IL-1β-stimulated chondrocytes. Over-expression of miR-146a abolished the anti-arthritic effects of KGN not only by down-regulating the protein levels of NRF2 but also by up-regulating the expression of matrix degradation enzymes. Our findings demonstrate, for the first time, that KGN exerts anti-arthritic effects via activation of the miR-146a-NRF2 axis and KGN is a promising heterocyclic molecule to prevent OA-induced cartilage degeneration.
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Affiliation(s)
- Mingzhuang Hou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Yijian Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Xinfeng Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China.,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Xi Chen
- Department of Pathology, The Third Affiliated Hospital of Soochow University, Changzhou, China.
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China. .,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China.
| | - Xuesong Zhu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China. .,Orthopaedic Institute, Medical College, Soochow University, Suzhou, China.
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29
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Wang N, Wang L, Yang J, Wang Z, Cheng L. Quercetin promotes osteogenic differentiation and antioxidant responses of mouse bone mesenchymal stem cells through activation of the AMPK/SIRT1 signaling pathway. Phytother Res 2021; 35:2639-2650. [PMID: 33421256 DOI: 10.1002/ptr.7010] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/20/2020] [Accepted: 12/19/2020] [Indexed: 12/13/2022]
Abstract
Decrepitude and apoptosis of bone mesenchymal stem cells (BMSCs) induced by reactive oxygen species (ROS) lead to inhibited osteogenic differentiation, causing decreased bone density and osteoporosis. Quercetin, a bioactive component of Solanum muricatum extracts, promotes the osteogenic differentiation of BMSCs and ameliorates the symptoms of osteoporosis in vivo. However, the detailed mechanism underlying this process remains unclear. The study aims to reveal the regulatory mechanism of quercetin in BMSCs. Mouse BMSCs (mBMSCs) were isolated from the bone marrow and characterized by flow cytometry. QRT-PCR and western blot assays were performed to evaluate the expression levels of related genes and proteins. Alkaline phosphatase (ALP) staining and Oil Red O staining of lipids were used to estimate the osteogenesis and adipogenesis levels of mBMSCs, respectively. Quercetin treatment (2 and 5 μM) induced significant upregulation of antioxidant enzymes, SOD1 and SOD2, in mBMSCs. Quercetin promoted osteogenic differentiation and inhibited adipogenic differentiation of mBMSCs. Quercetin treatment enhanced the phosphorylation of AMPK protein and upregulated the expression of SIRT1, thus activating the AMPK/SIRT1 signaling pathway in mBMSCs. Quercetin promoted osteogenic differentiation and antioxidant responses of mBMSCs by activating the AMPK/SIRT1 signaling pathway.
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Affiliation(s)
- Nan Wang
- Department of Emergency Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Luyao Wang
- Stomatological Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jihao Yang
- Department of Emergency Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhihong Wang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Liangxing Cheng
- Research Office, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Zhu G, Zhang T, Chen M, Yao K, Huang X, Zhang B, Li Y, Liu J, Wang Y, Zhao Z. Bone physiological microenvironment and healing mechanism: Basis for future bone-tissue engineering scaffolds. Bioact Mater 2021; 6:4110-4140. [PMID: 33997497 PMCID: PMC8091181 DOI: 10.1016/j.bioactmat.2021.03.043] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/19/2021] [Accepted: 03/28/2021] [Indexed: 02/06/2023] Open
Abstract
Bone-tissue defects affect millions of people worldwide. Despite being common treatment approaches, autologous and allogeneic bone grafting have not achieved the ideal therapeutic effect. This has prompted researchers to explore novel bone-regeneration methods. In recent decades, the development of bone tissue engineering (BTE) scaffolds has been leading the forefront of this field. As researchers have provided deep insights into bone physiology and the bone-healing mechanism, various biomimicking and bioinspired BTE scaffolds have been reported. Now it is necessary to review the progress of natural bone physiology and bone healing mechanism, which will provide more valuable enlightenments for researchers in this field. This work details the physiological microenvironment of the natural bone tissue, bone-healing process, and various biomolecules involved therein. Next, according to the bone physiological microenvironment and the delivery of bioactive factors based on the bone-healing mechanism, it elaborates the biomimetic design of a scaffold, highlighting the designing of BTE scaffolds according to bone biology and providing the rationale for designing next-generation BTE scaffolds that conform to natural bone healing and regeneration.
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Affiliation(s)
- Guanyin Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Tianxu Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Miao Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Ke Yao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Xinqi Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Bo Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Yazhen Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Jun Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610041, PR China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China
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Zhang W, Wang H, Yuan Z, Chu G, Sun H, Yu Z, Liang H, Liu T, Zhou F, Li B. Moderate mechanical stimulation rescues degenerative annulus fibrosus by suppressing caveolin-1 mediated pro-inflammatory signaling pathway. Int J Biol Sci 2021; 17:1395-1412. [PMID: 33867854 PMCID: PMC8040478 DOI: 10.7150/ijbs.57774] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/22/2021] [Indexed: 12/29/2022] Open
Abstract
Mechanical loading can induce or antagonize the extracellular matrix (ECM) synthesis, proliferation, migration, and inflammatory responses of annulus fibrosus cells (AFCs), depending on the loading mode and level. Caveolin-1 (Cav1), the core protein of caveolae, plays an important role in cellular mechanotransduction and inflammatory responses. In the present study, we presented that AFCs demonstrated different behaviors when subjected to cyclic tensile strain (CTS) for 24 h at a magnitude of 0%, 2%, 5% and 12%, respectively. It was found that 5% CTS had positive effects on cell proliferation, migration and anabolism, while 12% CTS had the opposite effects. Besides, cells exposed to interleukin-1β stimulus exhibited an increase expression in inflammatory genes, and the expression of these genes decreased after exposure to moderate mechanical loading with 5% CTS. In addition, 5% CTS decreased the level of Cav1 and integrin β1 and exhibited anti-inflammatory effects. Moreover, the expression of integrin β1 and p-p65 increased in AFCs transfected with Cav1 plasmids. In vivo results revealed that moderate mechanical stimulation could recover the water content and morphology of the discs. In conclusion, moderate mechanical stimulation restrained Cav1-mediated signaling pathway and exhibited anti-inflammatory effects on AFCs. Together with in vivo results, this study expounds the underlying molecular mechanisms on the effect of moderate mechanical stimulation on intervertebral discs (IVDs) and may provide a new therapeutic strategy for the treatment of IVD degeneration.
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Affiliation(s)
- Weidong Zhang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Huan Wang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Zhangqin Yuan
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Genglei Chu
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Heng Sun
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Zilin Yu
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Huan Liang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Tao Liu
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Feng Zhou
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China
| | - Bin Li
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, China.,China Orthopaedic Regenerative Medicine Group (CORMed), Hangzhou, Zhejiang, China
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Cheng J, Zou Q, Xue Y, Sun C, Zhang D. Mechanical stretch promotes antioxidant responses and cardiomyogenic differentiation in P19 cells. J Tissue Eng Regen Med 2021; 15:453-462. [PMID: 33743188 DOI: 10.1002/term.3184] [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: 12/19/2020] [Revised: 01/26/2021] [Accepted: 02/14/2021] [Indexed: 11/07/2022]
Abstract
Accumulating evidence has suggested that mechanical stimuli play a crucial role in regulating the lineage-specific differentiation of stem cells through fine-tuning redox balance. We aimed to investigate the effects of cyclic tensile strain (CTS) on the expression of antioxidant enzymes and cardiac-specific genes in P19 cells, a widely characterized tool for cardiac differentiation research. A stretching device was applied to generate different magnitude and duration of cyclic strains on P19 cells. The messenger RNA and protein levels of targeted genes were determined by real-time polymerase chain reaction and Western blot assays, respectively. Proper magnitude and duration of cognitive stimulation therapy (CST) stimulation substantially enhanced the expression of both antioxidant enzymes and cardiac-specific genes in P19 cells. Sirtuin 1 (SIRT1) played an essential role in the CTS-induced cardiomyogenic differentiation of P19, as evidenced by changes in the expression of antioxidant enzymes and cardiac-specific genes. Mechanical loading promoted the cardiomyogenic differentiation of P19 cells. SIRT1 was involved in CST-mediated P19 differentiation, implying that SIRT1 might serve as an important target for developing methods to promote cardiomyogenic differentiation of stem cells.
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Affiliation(s)
- Jin Cheng
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Qing Zou
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Yugang Xue
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Chuang Sun
- Department of Cardiology, Xi'An International Medical Center Hospital, Xi'an, Shaanxi, China
| | - Dongwei Zhang
- Department of Cardiology, Tangdu Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
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Lv X, Chen S, Gao F, Hu B, Wang Y, Ni S, Kou H, Song Z, Qing X, Wang S, Liu H, Shao Z. Resveratrol-enhanced SIRT1-mediated osteogenesis in porous endplates attenuates low back pain and anxiety behaviors. FASEB J 2021; 35:e21414. [PMID: 33583095 DOI: 10.1096/fj.202002524r] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/15/2021] [Accepted: 01/20/2021] [Indexed: 11/11/2022]
Abstract
Low back pain (LBP) is a major clinical problem that lacks effective treatments. The sensory innervation in porous vertebral endplates and anxiety contributes to spinal hyperalgesia. We hypothesized that SIRT1 activator resveratrol alleviates LBP and anxiety via promotion of osteogenesis in the porous endplates. The hyperalgesia and anxiety-related behaviors; sensory innervation, inflammation and porosity of endplates; and osteogenic/osteoclastic factors expression were measured following resveratrol treatment after lumbar spine instability (LSI) surgery. To explore whether resveratrol promotes endplates osteogenesis and thus alleviates LBP through activation of SIRT1 in the osteoprogenitor cells of endplates, SIRT1OSX-/- mice were employed. Additionally, the levels of inflammation markers, phosphorylation of cAMP response element-binding protein (pCREB), and brain-derived neurotrophic factor (BDNF) in hippocampus were evaluated. After 4 or 8 weeks LSI surgery, the mice suffered from hyperalgesia and anxiety, which were efficiently attenuated by resveratrol at 8 weeks. Resveratrol treatment-enhanced osteogenesis and decreased endplates porosities accompanied with the reduction of TNFα, IL-1β, and COX2 levels and CGRP+ nerve fibers innervation in porous endplates. Resveratrol-mediated endplates osteogenesis, decreased endplates porosities, and analgesic and antianxiety effects were abrogated in SIRT1OSX-/- mice. Furthermore, resveratrol relieved inflammation and increased pCREB and BDNF expression in the hippocampus after 8 weeks, which alleviate anxiety-related behaviors. This study provides that resveratrol-mediated porous endplates osteogenesis via the activation of SIRT1 markedly blocked sensory innervation and inflammation in endplates, therefore, alleviating LSI surgery-induced LBP and hippocampus-related anxiety.
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Affiliation(s)
- Xiao Lv
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Songfeng Chen
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Feng Gao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Binwu Hu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongkui Wang
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuangfei Ni
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hongwei Kou
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zongmian Song
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiangcheng Qing
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shangyu Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongjian Liu
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zengwu Shao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Dong L, Song Y, Zhang Y, Zhao W, Wang C, Lin H, Al-Ani MK, Liu W, Xue R, Yang L. Mechanical stretch induces osteogenesis through the alternative activation of macrophages. J Cell Physiol 2021; 236:6376-6390. [PMID: 33634492 DOI: 10.1002/jcp.30312] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/29/2020] [Accepted: 01/20/2021] [Indexed: 02/05/2023]
Abstract
For reconstructive surgeons, critically skeletal damage represents a major challenge. Growing evidence indicate that bone repair is dynamically regulated by the mesenchymal stem cell (MSC)-macrophage interaction. Mechanical strain plays a fundamental role in bone repair and regeneration by influencing MSCs differentiation. Recently, a few findings indicate that macrophages may be mechanically sensitive and their phenotype can be regulated, in part, by mechanical cues. However, how macrophages subjected mechanical stretch influence the osteogenic differentiation of MSCs remain unclear. Thus, the purpose of this study is to explore the effect of macrophages stimulated with mechanical stretch on MSCs osteogenesis. By using a coculture system, we discover that macrophages efficiently induce osteogenic differentiation of MSCs under specific stretch conditions. A synergy mechanism between M2 polarization and YAP/BMP2 axis are identified through molecular and genetic analyses. Macrophages are activated by cyclic stretch and polarized to M2 phenotype that produce anti-inflammatory cytokines such as IL-10 and TGF-β to regulate the local inflammatory microenvironment. Furthermore, mechanical stretch induces YAP activation and nuclear translocation, subsequently regulates downstream BMP2 expression to facilitate MSCs osteogenesis. These findings not only advance our understanding of the complex influence among the mechanical strain, macrophage inflammatory response as well as the osteogenic differentiation of MSCs, but also reveal a control system from mechanical signals to chemical response then to cell behaviors during bone repair and regeneration.
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Affiliation(s)
- Lili Dong
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Yang Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Yajie Zhang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Weikang Zhao
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chunli Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Hungchun Lin
- Columbian College of Art and Science, George Washington University, Washington, District of Columbia, USA
| | - Mohanad Kh Al-Ani
- Department of Microbiology, College of Medicine, Tikrit University, Tikrit, Salahaddin, Iraq
| | - Wanqian Liu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Ruyue Xue
- Internet Medical and System Applications of National Engineering Laboratory, Zhengzhou, Henan, China
| | - Li Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
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Manokawinchoke J, Pavasant P, Limjeerajarus CN, Limjeerajarus N, Osathanon T, Egusa H. Mechanical loading and the control of stem cell behavior. Arch Oral Biol 2021; 125:105092. [PMID: 33652301 DOI: 10.1016/j.archoralbio.2021.105092] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 01/08/2021] [Accepted: 02/21/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Mechanical stimulation regulates many cell responses. The present study describes the effects of different in vitro mechanical stimulation approaches on stem cell behavior. DESIGN The narrative review approach was performed. The articles published in English language that addressed the effects of mechanical force on stem cells were searched on Pubmed and Scopus database. The effects of extrinsic mechanical force on stem cell response was reviewed and discussed. RESULTS Cells sense mechanical stimuli by the function of mechanoreceptors and further transduce force stimulation into intracellular signaling. Cell responses to mechanical stimuli depend on several factors including type, magnitude, and duration. Further, similar mechanical stimuli exhibit distinct cell responses based on numerous factors including cell type and differentiation stage. Various mechanical applications modulate stemness maintenance and cell differentiation toward specific lineages. CONCLUSIONS Mechanical force application modulates stemness maintenance and differentiation. Modification of force regimens could be utilized to precisely control appropriate stem cell behavior toward specific applications.
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Affiliation(s)
- Jeeranan Manokawinchoke
- Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand; Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand; Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, 980-8575, Japan.
| | - Prasit Pavasant
- Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Chalida Nakalekha Limjeerajarus
- Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Nuttapol Limjeerajarus
- Research Center for Advanced Energy Technology, Faculty of Engineering, Thai-Nichi Institute of Technology, Bangkok, 10250, Thailand.
| | - Thanaphum Osathanon
- Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand; Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, 980-8575, Japan.
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Chen Y, Zhou F, Liu H, Li J, Che H, Shen J, Luo E. SIRT1, a promising regulator of bone homeostasis. Life Sci 2021; 269:119041. [PMID: 33453243 DOI: 10.1016/j.lfs.2021.119041] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/29/2020] [Accepted: 01/06/2021] [Indexed: 12/16/2022]
Abstract
Sirtuin 1 (SIRT1), a nicotinamide adenine dinucleotide-dependent deacetylase, epigenetically regulates various cell metabolisms, including inflammation, tumorigenesis, and bone metabolism. Many clinical studies have found the potential of SIRT1 in predicting and treating bone-related disorders, such as osteoporosis and osteonecrosis, suggesting that SIRT1 might be a regulator of bone homeostasis. In order to identify the mechanisms that underlie the pivotal role of SIRT1 in bone homeostasis, many studies revealed that SIRT1 could maintain the balance between bone formation and absorption via regulating the ratio of osteoblasts to osteoclasts. SIRT1 controls the differentiation of mesenchymal stem cells (MSCs) and bone marrow-derived macrophages, increasing osteogenesis and reducing osteoclastogenesis. Besides, SIRT1 can enhance bone-forming cells' viability, including MSCs and osteoblasts under adverse conditions by resisting senescence, suppressing apoptosis, and promoting autophagy in favor of osteogenesis. Furthermore, the effect on bone vasculature homeostasis enables SIRT1 to become a valuable strategy for ischemic osteonecrosis and senile osteoporosis. The review systemically discusses SIRT1 pathways and the critical role in bone homeostasis and assesses whether SIRT1 is a potential target for manipulation and therapy, to lay a solid foundation for further researches in the future.
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Affiliation(s)
- Ye Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Feng Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Hanghang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; Maine Medical Center Research Institute, Maine Medical Center, Scarborough, ME 04074, USA
| | - Jiaxuan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Huiling Che
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jiaqi Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - En Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China.
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Simulated Microgravity Suppresses Osteogenic Differentiation of Mesenchymal Stem Cells by Inhibiting Oxidative Phosphorylation. Int J Mol Sci 2020; 21:ijms21249747. [PMID: 33371243 PMCID: PMC7767150 DOI: 10.3390/ijms21249747] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/15/2022] Open
Abstract
Studies showed that energy metabolism plays a pivotal role in the differentiation of stem cells. Previous studies revealed that simulated microgravity (SMG) inhibits osteogenic differentiation of mesenchymal stem cells (MSCs). However, the underlying relationship between osteogenesis and energy metabolism under SMG conditions is not fully understood. In the present study, we investigated mitochondrial oxidative phosphorylation (OXPHOS) by assessing the level of peroxisome proliferator activated receptor γ coactivator 1α (PGC-1α), mitochondrial DNA (mtDNA) copy number, mitochondrial mass and oxygen consumption rate (OCR) during osteogenesis of MSCs under SMG conditions. We found that SMG inhibited osteogenic differentiation and OXPHOS of MSCs. Moreover, the expression of sirtuin 1 (Sirt1), an important energy sensor, significantly decreased. After upregulating the expression of Sirt1 using resveratrol, an activator of Sirt1, SMG-inhibited OXPHOS and osteogenic differentiation of MSCs were recovered. Taken together, our results suggest that SMG suppresses osteogenic differentiation of MSCs by inhibiting OXPHOS, indicating that OXPHOS might serve as a potential therapeutic target for repairing bone loss under microgravity conditions.
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Wang J, Li J, Song D, Ni J, Ding M, Huang J, Yan M. AMPK: implications in osteoarthritis and therapeutic targets. Am J Transl Res 2020; 12:7670-7681. [PMID: 33437352 PMCID: PMC7791500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/24/2020] [Indexed: 06/12/2023]
Abstract
Osteoarthritis (OA) is the most common skeletal disease and the leading cause of pain and disability in the aged population (>65 years). However, the underlying factors involved in OA pathogenesis remain elusive which has resulted in failure to identify disease-modifying OA drugs. Altered metabolism has been shown to be a prominent pathological change in OA. As a critical bioenergy sensor, AMP-activated protein kinase (AMPK) mediates not only energy homeostasis but also redox balance in chondrocytes to counter various cell stress. Dysfunction of AMPK activity has been associated with reduced autophagy, impaired mitochondrial function, excessive reactive oxygen species generation, and inflammation in joint tissue. These abnormalities ultimately trigger articular cartilage degeneration, synovial inflammation, and abnormal subchondral bone remodeling. This review focuses on recent findings describing the central role of AMPK in joint homeostasis and OA development. We also highlight current advances that target AMPK as a novel therapeutic strategy for OA prevention.
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Affiliation(s)
- Junjie Wang
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
| | - Jiali Li
- Department of Rheumatology and Nephrology, University of South China Affiliated Changsha Central HospitalChangsha 410008, Hunan, China
| | - Deye Song
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
| | - Jiangdong Ni
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
| | - Muliang Ding
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
| | - Jun Huang
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
| | - Mingming Yan
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South UniversityChangsha 410011, Hunan, China
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Wang D, Cai J, Zeng Z, Gao X, Shao X, Ding Y, Feng X, Jing D. The interactions between mTOR and NF-κB: A novel mechanism mediating mechanical stretch-stimulated osteoblast differentiation. J Cell Physiol 2020; 236:4592-4603. [PMID: 33289098 DOI: 10.1002/jcp.30184] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/14/2020] [Accepted: 11/17/2020] [Indexed: 12/20/2022]
Abstract
Mechanical stretch is known to promote osteoblast differentiation in vitro and accelerate bone regeneration in vivo, whereas the relevant mechanism remains unclear. Recent studies have shown the importance of reciprocal interactions between mammalian target of rapamycin (mTOR) and nuclear factor kappa B (NF-κB; two downstream molecules of Akt) in the regulation of tumor cells. Thus, we hypothesize that mTOR and NF-κB as well as their interconnection play a critical role in mediating stretch-induced osteogenic differentiation in osteoblasts. We herein found that mechanical stretch (10% elongation at six cycles/min) significantly promoted the expression of osteoblast differentiation-related markers (including ALP, BMP2, Col1α, OCN, and Runx2) in osteoblast-like MG-63 cells, accompanied by increased mTOR phosphorylation and NF-κB p65 phosphorylation and nuclear translocation. Blockade of mTOR by antagonist or small interfering RNA suppressed osteogenesis-related gene expression in response to mechanical stretch, whereas inhibition of NF-κB further increased stretch-induced osteoblast differentiation. Moreover, inhibition of mTOR decreased the phosphorylation of NF-κB, and blockade of NF-κB reduced the mTOR activation in MG63 cells under mechanical stretch. Coinhibition of mTOR and NF-κB abolishes the alteration of osteogenic differentiation induced by single mTOR or NF-κB inhibition under mechanical stretch, which is equivalent to the noninhibition level for osteoblasts under mechanical stretch. The expression levels of osteogenic differentiation in osteoblasts after inhibition of Akt were similar to those after co-inhibition of mTOR and NF-κB under mechanical stretch. This study for the first time reveals the reciprocal interconnection between mTOR and NF-κB in osteoblasts under mechanical stretch and indicates that mTOR and NF-κB as well as their interactions play a key role in the regulation of cellular homeostasis of osteoblasts in response to mechanical stretch. These findings are helpful for enriching our basic knowledge of the molecular mechanisms of osteoblast mechanotransduction, and also providing insight into the clinical therapeutic modality associated with mechanical stretch (e.g., distraction osteogenesis).
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Affiliation(s)
- Dan Wang
- Laboratory of Tissue Engineering, Faculty of Life Sciences, Northwest University, Xi'an, China
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Jing Cai
- Department of Diagnostics, College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Zhaobin Zeng
- Department of Stomatology, General Hospital of Northern Theater Command (Formerly General Hospital of Shenyang Military Area), Shenyang, China
| | - Xue Gao
- Laboratory of Tissue Engineering, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Xi Shao
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Yuanjun Ding
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Xue Feng
- Department of Cell Biology, School of Medicine, Northwest University, Xi'an, China
| | - Da Jing
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
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Cha HN, Woo CH, Kim HY, Park SY. Methionine sulfoxide reductase B3 deficiency inhibits the development of diet-induced insulin resistance in mice. Redox Biol 2020; 38:101823. [PMID: 33296856 PMCID: PMC8187883 DOI: 10.1016/j.redox.2020.101823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 12/11/2022] Open
Abstract
Oxidative and endoplasmic reticulum (ER) stress are involved in mediating high-fat diet (HFD)-induced insulin resistance. As the ER-localized methionine sulfoxide reductase B3 (MsrB3) protects cells against oxidative and ER stress, we hypothesized that MsrB3 might be associated with HFD-induced insulin resistance. To test this hypothesis, we examined the effect of MsrB3 deficiency on HFD-induced insulin resistance using MsrB3 knockout (KO) mice. Mice were fed a control diet or HFD for 12 weeks and insulin sensitivity was measured using a hyperinsulinemic-euglycemic clamp. HFD consumption increased the body weight of both wild-type and MsrB3 KO mice, and no significant difference was observed between the genotypes. The HFD increased oxidative stress and induced insulin resistance in the skeletal muscle of wild-type mice, but did not affect either in MsrB3 KO mice. The unfolded protein response (UPR) was increased in MsrB3 KO mice upon consumption of HFD, but not in wild-type mice. Mitochondrial oxidative phosphorylation proteins and the levels of superoxide dismutase 2 and glutathione peroxidase 1 were increased in MsrB3 KO mice upon HFD consumption. The respiratory control ratio was reduced in wild-type mice consuming HFD but not in MsrB3 KO mice. The levels of calcium/calmodulin-dependent protein kinase kinase β, phosphorylated AMP-activated protein kinase, and peroxisome proliferator-activated receptor gamma coactivator 1α were increased in MsrB3 KO mice following HFD consumption. These results suggest that MsrB3 deficiency inhibits HFD-induced insulin resistance, and the increased mitochondrial biogenesis and antioxidant induction might be the mechanisms underlying this phenomenon.
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Affiliation(s)
- Hye-Na Cha
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea; Smart-Aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea
| | - Chang-Hoon Woo
- Smart-Aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea; Department of Pharmacology, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea
| | - Hwa-Young Kim
- Department of Biochemistry and Molecular Biology, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea
| | - So-Young Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea; Smart-Aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, 42415, Republic of Korea.
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miR-29a-5p Targets SATB2 and Regulates the SIRT1/Smad3 Deacetylation Pathway to Inhibit Thoracic Ligamentum Flavum Cell Osteogenesis. Spine (Phila Pa 1976) 2020; 45:E1057-E1065. [PMID: 32205703 DOI: 10.1097/brs.0000000000003505] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Experimental analysis of the thoracic ligamentum flavum cell osteogenic differentiation process. OBJECTIVE This study aimed to explore the role of miR-29a-5p and special AT-rich sequence-binding protein 2 (SATB2) in a pathological osteogenic process. SUMMARY OF BACKGROUND DATA Thoracic ossification of the ligamentum flavum (TOLF) is an uncommon disease wherein ligaments within the spine undergo progressive ossification, resulting in stenosis of the spinal canal and myelopathy. MiR-29a-5p was found to be downregulated in ligament cells from ossified ligament tissue in a previous study. However, whether miR-29a-5p is involved in the process of TOLF has not been investigated. METHODS The expression of miR-29a-5p in ligament tissues or in the context of TOLF osteogenic cell differentiation was measured via qRT-PCR. Alkaline phosphatase activity assay and Alizarin red staining were used to analyze cellular osteogenesis. The protein-level expression of SATB2, SIRT1, and Smad3 were measured via immunohistochemistry or western blotting. Dual luciferase reporter assays and western blotting were used to confirm that miR-29a targets SATB2. RESULTS SATB2 was found to be upregulated and miR-29a-5p was downregulated in TOLF tissue. We additionally observed decreased miR-29a-5p expression during the process of TOLF osteogenic cell differentiation, and there was a marked reduction in the expression of key mediators of osteogenesis when miR-29a-5p was overexpressed. Consistent with this, when miR-29a-5p was inhibited this led to enhanced osteogenic cell differentiation of these cells. We further found miR-29a-5p to directly target and suppress the expression of SATB2. Knock-down of SATB2 was sufficient to reduce the ability of miR-29a-5p to inhibit osteogenesis, and this also led to decreased SIRT1 expression and Smad3 acetylation. CONCLUSION Together our findings indicate that miR-29a-5p is able to prevent thoracic ligamentum flavum cell osteogenesis at least in part via targeting SATB2 and thereby suppressing the SIRT1/Smad3 deacetylation pathway. LEVEL OF EVIDENCE N/A.
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Rogacka D, Audzeyenka I, Piwkowska A. Regulation of podocytes function by AMP-activated protein kinase. Arch Biochem Biophys 2020; 692:108541. [PMID: 32781053 DOI: 10.1016/j.abb.2020.108541] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/23/2020] [Accepted: 08/06/2020] [Indexed: 01/08/2023]
Abstract
Podocytes are unique, highly specialized, terminally differentiated cells that form an essential, integral part of the glomerular filter. These cells limit the outside border of the glomerular basement membrane, forming a tight barrier that prevents significant protein loss from the capillary space. The slit diaphragm formed by podocytes is crucial for maintaining glomerular integrity and function. They are the target of injury in many glomerular diseases, including hypertension and diabetes mellitus. Accumulating studies have revealed that AMP-activated protein kinase (AMPK), an essential cellular energy sensor, might play a fundamental role in regulating podocyte metabolism and function. AMPK participates in insulin signaling, therefore controls glucose uptake and podocytes insulin sensitivity. It is also involved in insulin-dependent cytoskeleton reorganization in podocytes, mediating glomerular albumin permeability. AMPK plays an important role in the regulation of autophagy/apoptosis processes, which influence podocytes viability. The present review aimed to highlight the molecular mechanisms associated with AMPK that are involved in the regulation of podocyte function in health and disease states.
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Affiliation(s)
- Dorota Rogacka
- Mossakowski Medical Research Centre Polish Academy of Sciences, Laboratory of Molecular and Cellular Nephrology, Wita Stwosza 63, 80-308, Gdansk, Poland; University of Gdansk, Faculty of Chemistry, Department of Molecular Biotechnology, Wita Stwosza 63, 80-308, Gdansk, Poland.
| | - Irena Audzeyenka
- Mossakowski Medical Research Centre Polish Academy of Sciences, Laboratory of Molecular and Cellular Nephrology, Wita Stwosza 63, 80-308, Gdansk, Poland; University of Gdansk, Faculty of Chemistry, Department of Molecular Biotechnology, Wita Stwosza 63, 80-308, Gdansk, Poland.
| | - Agnieszka Piwkowska
- Mossakowski Medical Research Centre Polish Academy of Sciences, Laboratory of Molecular and Cellular Nephrology, Wita Stwosza 63, 80-308, Gdansk, Poland; University of Gdansk, Faculty of Chemistry, Department of Molecular Biotechnology, Wita Stwosza 63, 80-308, Gdansk, Poland.
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Wu T, Yin F, Wang N, Ma X, Jiang C, Zhou L, Zong Y, Shan H, Xia W, Lin Y, Zhou Z, Yu X. Involvement of mechanosensitive ion channels in the effects of mechanical stretch induces osteogenic differentiation in mouse bone marrow mesenchymal stem cells. J Cell Physiol 2020; 236:284-293. [PMID: 32592173 DOI: 10.1002/jcp.29841] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 01/07/2023]
Abstract
Bone marrow mesenchymal stem cells (BMSCs) can be induced to process osteogenic differentiation with appropriate mechanical and/or chemical stimuli. The present study described the successful culture of murine BMSCs under mechanical strain. BMSCs were subjected to 0%, 3%, 8%, 13%, and 18% cyclic tensile strain at 0.5 Hz for 8 hr/day for 3 days. The expression of osteogenic markers and mechanosensitive ion channels was evaluated with real-time reverse transcription-polymerase chain reaction (RT-PCR) and western blot. The expression of alkaline phosphatase (ALP) and matrix mineralization were evaluated with histochemical staining. To investigate the effects of mechanosensitive ion channel expression on cyclic tensile strain-induced osteogenic differentiation, the expression of osteogenic markers was evaluated with real-time RT-PCR in the cells without mechanosensitive ion channel expression. This study revealed a significant augment in osteogenic marker in BMSC strained at 8% compared to other treatments; therefore, an 8% strain was used for further investigations. The ALP expression and matrix mineralization were enhanced in osteogenic induced BMSCs subjected to 8% strain after 7 and 14 days, respectively. Under the same conditions, the osteogenic marker and mechanosensitive ion channel expression were significantly promoted. However, the loss function of mechanosensitive ion channels resulted in the inhibition of osteogenic marker expression. This study demonstrated that strain alone can successfully induce osteogenic differentiation in BMSCs and the expression of mechanosensitive ion channels was involved in the process. The current findings suggest that mechanical stretch could function as efficient stimuli to induce the osteogenic differentiation of BMSCs via the activation of mechanosensitive ion channels.
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Affiliation(s)
- Tianyi Wu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Fuli Yin
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Nan Wang
- Department of Emergency, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xin Ma
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Chaolai Jiang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lihui Zhou
- Department of Orthopaedic Surgery, Xiangshan First People's Hospital, Ningbo, Zhejiang, China
| | - Yang Zong
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Haojie Shan
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Wenyang Xia
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yiwei Lin
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zubin Zhou
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiaowei Yu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Rosado-Galindo H, Domenech M. Polystyrene Topography Sticker Array for Cell-Based Assays. RECENT PROGRESS IN MATERIALS 2020; 2. [PMID: 33693439 PMCID: PMC7943041 DOI: 10.21926/rpm.2002013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Cells can respond to different topographical cues in their natural microenvironment. Hence, scientists have employed microfabrication techniques and materials to generate culture substrates containing topographies for cell-based assays. However, one of the limitations of custom topographical platforms is the lack of adoption by the broad research community. These techniques and materials have high costs, require high technical expertise, and can leach components that may introduce artifacts. In this study, we developed an array of culture surfaces on polystyrene using razor printing and sanding methods to examine the impact of microscale topographies on cell behavior. The proposed technology consists of culture substrates of defined roughness, depth, and curvature on polystyrene films bound to the bottom of a culture well using double-sided medical-grade tape. Human monocytes and adult mesenchymal stem cells (hMSCs) were used as test beds to demonstrate the applicability of the array for cell-based assays. An increase in cell elongation and Arg-1 expression was detected in macrophages cultured in grooves and on rough substrates as compared to flat surfaces. Also, substrates with enhanced roughness stimulated the proliferation of hMSCs. This effect correlated with the secretion of proteins involved in cell proliferation and the downregulation of those associated with cell differentiation. Our results showed that the polystyrene topography sticker array supports cellular changes guided by microscale surface roughness and geometries. Consequently, microscale surface topographies on polished and razor-printed polystyrene films could leverage the endogenous mechanisms of cells to stimulate cellular changes at the functional level for cell-based assays.
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Affiliation(s)
- Heizel Rosado-Galindo
- Mayagüez Campus-Bioengineering Program, University of Puerto Rico, Mayagüez, Puerto Rico
| | - Maribella Domenech
- Mayagüez Campus-Department of Chemical Engineering, University of Puerto Rico, Mayagüez, Puerto Rico
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Han F, Wang J, Ding L, Hu Y, Li W, Yuan Z, Guo Q, Zhu C, Yu L, Wang H, Zhao Z, Jia L, Li J, Yu Y, Zhang W, Chu G, Chen S, Li B. Tissue Engineering and Regenerative Medicine: Achievements, Future, and Sustainability in Asia. Front Bioeng Biotechnol 2020; 8:83. [PMID: 32266221 PMCID: PMC7105900 DOI: 10.3389/fbioe.2020.00083] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/29/2020] [Indexed: 12/11/2022] Open
Abstract
Exploring innovative solutions to improve the healthcare of the aging and diseased population continues to be a global challenge. Among a number of strategies toward this goal, tissue engineering and regenerative medicine (TERM) has gradually evolved into a promising approach to meet future needs of patients. TERM has recently received increasing attention in Asia, as evidenced by the markedly increased number of researchers, publications, clinical trials, and translational products. This review aims to give a brief overview of TERM development in Asia over the last decade by highlighting some of the important advances in this field and featuring major achievements of representative research groups. The development of novel biomaterials and enabling technologies, identification of new cell sources, and applications of TERM in various tissues are briefly introduced. Finally, the achievement of TERM in Asia, including important publications, representative discoveries, clinical trials, and examples of commercial products will be introduced. Discussion on current limitations and future directions in this hot topic will also be provided.
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Affiliation(s)
- Fengxuan Han
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiayuan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luguang Ding
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yuanbin Hu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wenquan Li
- Department of Otolaryngology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhangqin Yuan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Qianping Guo
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Caihong Zhu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Li Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Huan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Zhongliang Zhao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luanluan Jia
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiaying Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yingkang Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Weidong Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Genglei Chu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Song Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Bin Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China
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Sah SK, Agrahari G, Kim TY. Insights into superoxide dismutase 3 in regulating biological and functional properties of mesenchymal stem cells. Cell Biosci 2020; 10:22. [PMID: 32128111 PMCID: PMC7045732 DOI: 10.1186/s13578-020-00386-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/14/2020] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been extensively studied and implicated for the cell-based therapy in several diseases due to theirs immunomodulatory properties. Embryonic stem cells and induced-pluripotent stem cells have either ethical issues or concerns regarding the formation of teratomas, introduction of mutations into genome during prolonged culture, respectively which limit their uses in clinical settings. On the other hand, MSCs also encounter certain limitation of circumscribed survival and reduced immunomodulatory potential during transplantation. Plethora of research is undergoing to improve the efficacy of MSCs during therapy. Several compounds and novel techniques have been employed to increase the therapeutic potency of MSCs. MSCs secreted superoxide dismutase 3 (SOD3) may be the mechanism for exhibiting direct antioxidant activities by MSCs. SOD3 is a well known antioxidant enzyme and recently known to possess immunomodulatory properties. Along with superoxide scavenging property, SOD3 also displays anti-angiogenic, anti-chemotactic and anti-inflammatory functions in both enzymatic and non-enzymatic manners. In this review, we summarize the emerging role of SOD3 secreted from MSCs and SOD3’s effects during cell-based therapy.
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Affiliation(s)
- Shyam Kishor Sah
- 1Department of Reconstructive Sciences, Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06032 USA.,2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
| | - Gaurav Agrahari
- 2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
| | - Tae-Yoon Kim
- 2Laboratory of Dermato-immunology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 06591 Republic of Korea
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Chen W, Chen X, Chen AC, Shi Q, Pan G, Pei M, Yang H, Liu T, He F. Melatonin restores the osteoporosis-impaired osteogenic potential of bone marrow mesenchymal stem cells by preserving SIRT1-mediated intracellular antioxidant properties. Free Radic Biol Med 2020; 146:92-106. [PMID: 31669348 PMCID: PMC9805353 DOI: 10.1016/j.freeradbiomed.2019.10.412] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/23/2019] [Accepted: 10/23/2019] [Indexed: 01/03/2023]
Abstract
Postmenopausal osteoporosis (OP) is one of the most common bone diseases that affects millions of aging women. Reduced osteogenesis and increased oxidative stress have been implicated in bone marrow mesenchymal stem cells (BMMSCs) derived from OP patients. Melatonin has shown positive effects on osteoblast differentiation and bone formation; however, it was unknown whether melatonin could restore OP-impaired osteogenic potential of BMMSCs and what the underlying mechanisms entailed. The objective of this study is to investigate (1) whether melatonin can restore the impaired osteogenic potential of OP BMMSCs by preserving their antioxidant functions, and if so, (2) whether intravenous administration of melatonin can prevent OP-induced bone loss in ovariectomized (OVX) rats. Ovariectomies were performed in female rats and BMMSCs were isolated from the osteoporotic rats 3 months later. In vitro treatment with melatonin successfully improved the osteogenic differentiation of OP BMMSCs, as evidenced by increased levels of matrix mineralization and osteoblast-specific genes. In melatonin-treated OP BMMSCs, intracellular oxidative stress was significantly attenuated, while levels of intracellular antioxidant enzymes were noticeably up-regulated - particularly superoxide dismutase 2 (SOD2) and glutathione peroxidase 1 (GPX1). Silent information regulator type 1 (SIRT1) was involved in the melatonin-mediated recovery of osteogenesis and antioxidant functions. Meanwhile, in vivo injections of melatonin via the tail vein successfully ameliorated the bone micro-architecture in ovariectomized rat femurs. Further experiments confirmed that BMMSCs derived from melatonin-treated OVX rats exerted well-preserved antioxidant properties and osteogenic potential. Our findings demonstrate that the administration of melatonin is a promising strategy for treating patients with postmenopausal OP by preserving the antioxidant properties and osteogenic potential of their BMMSCs.
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Affiliation(s)
- Weikai Chen
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China; Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Xi Chen
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China; Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Angela Carley Chen
- School of Public Health and Health Systems, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Qin Shi
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China; Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Guoqing Pan
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics and Division of Exercise Physiology, West Virginia University, Morgantown, WV, 26506, USA
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China; Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China.
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, China; Orthopaedic Institute, Medical College, Soochow University, Suzhou, 215007, China.
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Biophysically Preconditioning Mesenchymal Stem Cells Improves Treatment of Ventilator-Induced Lung Injury. Arch Bronconeumol 2019; 56:179-181. [PMID: 31748133 DOI: 10.1016/j.arbres.2019.08.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/30/2019] [Accepted: 08/26/2019] [Indexed: 01/29/2023]
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Yang W, Xia Y, Qian X, Wang M, Zhang X, Li Y, Li L. Co-expression network analysis identified key genes in association with mesenchymal stem cell osteogenic differentiation. Cell Tissue Res 2019; 378:513-529. [PMID: 31418071 DOI: 10.1007/s00441-019-03071-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 07/03/2019] [Indexed: 01/23/2023]
Abstract
Although several studies have shown that osteogenic differentiation of different mesenchymal stem cell (MSC) lines can be guided by the 3D scaffold with growth factors or biochemical agent, the key mechanism regulating osteogenic differentiation is not known yet. Here, this study was designed to investigate key genes that regulate the induction of osteogenesis by different MSC lines in different ways. Expression profiling by array (GSE58919 and GSE18043) was downloaded and analyzed using weighted gene co-expression network analysis (WGCNA) to narrow genes associated with osteogenic differentiation. A protein-protein interactive (PPI) network was built to find the key genes and the role of these key genes was confirmed by statistical analysis. To understand the function of genes associated with osteogenesis, gene ontology (GO) and the Kyoto encyclopedia of genes and genomes (KEGG) were analyzed, which showed that key genes in MSC osteogenic differentiation induced by a biochemical agent involve regulation of cell apoptosis and proliferation while key genes in MSC osteogenic differentiation induced by the 3D scaffold with growth factors involve regulation of cajal body and centromeres. Furthermore, 58 key genes are involved in Wnt signaling pathway, ion response and focal adhesion. Proteasome also played a key role in osteogenic differentiation. Seven potential key genes were found essential in the osteogenic differentiation of MSCs in the PPI network, especially the five key genes, CCT2, NOP58, FBL, EXOSC8 and SNRPD1. This study will provide important targets of MSC osteogenic differentiation that will help us understand the mechanism of osteogenic differentiation in MSCs.
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Affiliation(s)
- Wang Yang
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China.,College of Clinical Medicine, Jilin University, Changchun, China
| | - Yuhan Xia
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China
| | - Xiaoli Qian
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China
| | - Meijing Wang
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China
| | - Xiaoling Zhang
- The First Hospital, Jilin University, Changchun, 130061, China. .,Institute of Immunology, Jilin University, Changchun, 130061, China.
| | - Yulin Li
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China.
| | - Lisha Li
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, Changchun, 130021, China.
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He Y, Xu K, Wang Y, Chao X, Xu B, Wu J, Shen J, Ren W, Hu Y. AMPK as a potential pharmacological target for alleviating LPS-induced acute lung injury partly via NLRC4 inflammasome pathway inhibition. Exp Gerontol 2019; 125:110661. [PMID: 31319131 DOI: 10.1016/j.exger.2019.110661] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 06/09/2019] [Accepted: 07/14/2019] [Indexed: 12/12/2022]
Abstract
Old people are spectacularly susceptible to acute lung injury (ALI) and the accompanying complications. An acute aggravated inflammatory response is a characteristic feature of ALI, and inflammasomes play a critical role in the inflammatory response. Metformin has been shown to be an effective anti-inflammatory agent in ALI. However, the mechanism of this regulation still remains poorly understood. In this study, 18- to 19-month-old male mice were treated by intratracheal instillation of lipopolysaccharide (LPS) or PBS with or without metformin pretreatment. We found that the metformin pretreatment alleviated the lung injury and decreased the levels of TNF-a, IL-1β and IL-6 in the bronchoalveolar lavage fluid (BALF) and in lung tissues, as well as the levels of NLRP3, NLRC4 and cleaved caspase-1 associated with LPS-induced ALI in old mice. Furthermore, the in vitro study showed metformin dose-dependently suppressed NLRC4 inflammasome expression. Metformin activated AMPK by phosphorylation; thus, we investigated the role of AMPK in NLRC4 activation. The results demonstrated that the efficacy of metformin was reduced when using the AMPK pharmacological inhibitor compound C or AMPKα1 expression was knocked down in RAW 264.7 cells. In conclusion, our data indicated that metformin may inhibit NLRC4 inflammasome activation in LPS-induced ALI in old mice through AMPK signaling, and further understanding of the AMPK/NLRC4 axis may provide a novel therapeutic strategy for LPS-induced ALI in the future.
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Affiliation(s)
- Yuting He
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Kan Xu
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Yao Wang
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Xin Chao
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Bing'er Xu
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jiayu Wu
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jiping Shen
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Weiying Ren
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China.
| | - Yu Hu
- Department of Geriatrics, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China.
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