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Wu W, Zhao Z, Wang Y, Zhu G, Tan K, Liu M, Li L. Biomechanical Effects of Mechanical Stress on Cells Involved in Fracture Healing. Orthop Surg 2024; 16:811-820. [PMID: 38439564 PMCID: PMC10984830 DOI: 10.1111/os.14026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 03/06/2024] Open
Abstract
Fracture healing is a complex staged repair process in which the mechanical environment plays a key role. Bone tissue is very sensitive to mechanical stress stimuli, and the literature suggests that appropriate stress can promote fracture healing by altering cellular function. However, fracture healing is a coupled process involving multiple cell types that balance and limit each other to ensure proper fracture healing. The main cells that function during different stages of fracture healing are different, and the types and molecular mechanisms of stress required are also different. Most previous studies have used a single mechanical stimulus on individual mechanosensitive cells, and there is no relatively uniform standard for the size and frequency of the mechanical stress. Analyzing the mechanisms underlying the effects of mechanical stimulation on the metabolic regulation of signaling pathways in cells such as in bone marrow mesenchymal stem cells (BMSCs), osteoblasts, chondrocytes, and osteoclasts is currently a challenging research hotspot. Grasping how stress affects the function of different cells at the molecular biology level can contribute to the refined management of fracture healing. Therefore, in this review, we summarize the relevant literature and describe the effects of mechanical stress on cells associated with fracture healing, and their possible signaling pathways, for the treatment of fractures and the further development of regenerative medicine.
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Affiliation(s)
- Weiyong Wu
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Zhihui Zhao
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Yongqing Wang
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Gengbao Zhu
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
| | - Kemeng Tan
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
| | - Meiyue Liu
- Orthopedic Department, The Fourth Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Lili Li
- General Clinical Research Center, Anhui Wanbei Coal-Electricity Group General Hospital, Suzhou, China
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Wang W, Wang Q, Sun S, Zhang P, Li Y, Lin W, Li Q, Zhang X, Ma Z, Lu H. CD97 inhibits osteoclast differentiation via Rap1a/ERK pathway under compression. Int J Oral Sci 2024; 16:12. [PMID: 38311610 PMCID: PMC10838930 DOI: 10.1038/s41368-023-00272-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/24/2023] [Accepted: 12/24/2023] [Indexed: 02/06/2024] Open
Abstract
Acceleration of tooth movement during orthodontic treatment is challenging, with osteoclast-mediated bone resorption on the compressive side being the rate-limiting step. Recent studies have demonstrated that mechanoreceptors on the surface of monocytes/macrophages, especially adhesion G protein-coupled receptors (aGPCRs), play important roles in force sensing. However, its role in the regulation of osteoclast differentiation remains unclear. Herein, through single-cell analysis, we revealed that CD97, a novel mechanosensitive aGPCR, was expressed in macrophages. Compression upregulated CD97 expression and inhibited osteoclast differentiation; while knockdown of CD97 partially rescued osteoclast differentiation. It suggests that CD97 may be an important mechanosensitive receptor during osteoclast differentiation. RNA sequencing analysis showed that the Rap1a/ERK signalling pathway mediates the effects of CD97 on osteoclast differentiation under compression. Consistently, we clarified that administration of the Rap1a inhibitor GGTI298 increased osteoclast activity, thereby accelerating tooth movement. In conclusion, our results indicate that CD97 suppresses osteoclast differentiation through the Rap1a/ERK signalling pathway under orthodontic compressive force.
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Affiliation(s)
- Wen Wang
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Hebei Medical University, Shijiazhuang, China
- Department of Orthodontics, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, China
| | - Qian Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shiying Sun
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Hebei Medical University, Shijiazhuang, China
- Department of Orthodontics, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, China
| | - Pengfei Zhang
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Hebei Medical University, Shijiazhuang, China
- Department of Orthodontics, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, China
| | - Yuyu Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Weimin Lin
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qiwen Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiao Zhang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhe Ma
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Hebei Medical University, Shijiazhuang, China.
- Department of Preventive Dentistry, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China.
| | - Haiyan Lu
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, Hebei Medical University, Shijiazhuang, China.
- Department of Orthodontics, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, China.
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Wang L, Su W, Zheng X, Lin W, Lv C, Yang S, Chen B, Zhang C. BML-111 inhibits osteoclast differentiation by suppressing the MAPK and NF-κB pathways, alleviating deterioration of the knee joints in a CIA rat model. Cell Biol Int 2023; 47:954-968. [PMID: 36740226 DOI: 10.1002/cbin.11990] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 12/12/2022] [Accepted: 01/07/2023] [Indexed: 02/07/2023]
Abstract
Irreversible destruction of joints is the hallmark of rheumatoid arthritis (RA). Osteoclasts are the only bone-resorbing cells and play an important role in joint rebuilding. BML-111 (5(S),6(R),7-trihydroxyheptanoic acid methyl ester, C8 H16 O5 ) is a synthetic lipoxin A4 agonist with antioxidant and anti-inflammatory properties. The present study aimed to investigate the effect of BML-111 on osteoclasts in vivo and in vitro, to investigate its therapeutic effect on joint destruction in RA. Cell Counting Kit-8 assay and flow cytometry were used to exclude cytotoxic effects of BML-111 to bone marrow-derived macrophages (BMMs). Then, osteoclasts were differentiated in vitro from BMMs by used macrophage colony-stimulating factor and receptor activator of nuclear factor-κB ligand, and osteoclasts were observed following tartrate-resistant acid phosphatase staining with or without BML-111 treatment. Meanwhile, absorption pit assay and immunofluorescence staining of the fibrous actin ring were used to observe osteoclast function. Moreover, we examined mitogen-activated protein kinase (MAPK) and nuclear factor-κB (NF-κB) activation. We established collagen-induced arthritis in a rat model and, after treatment with BML-111, joint swelling was measured and the knee joints were processed for histology. We also examined serum and tissue for osteoclastogenesis-related markers. BML-111 inhibited osteoclast formation and differentiation in a time- and concentration-dependent manner, and downregulated the expression levels of MAPK and NF-κB in vitro. Meanwhile, BML-111 effectively alleviated joint structural damage and inhibited osteoclast formation in vivo. BML-111 inhibited osteoclast formation and differentiation in vitro and in vivo, and delayed the progression of joint destruction.
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Affiliation(s)
- Lu Wang
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Wei Su
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaohang Zheng
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Wenjun Lin
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chen Lv
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shengwu Yang
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Bicheng Chen
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chunwu Zhang
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Wang Z, Du Y, Chang Q, Xie Q, Wang L, Xu C. Analysis the Lateral Tunnel Position of the Bone Graft and Regeneration of Femur by CT Tunnel Localization. J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.3160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Objective: To analyze, in a retrospective study, the lateral tunnel position of the graft femur by CT after arthroscopic ACL reconstruction via the anteromedial (AM) approach and the tunnel angle shown on X-ray. Methods and Materials: 60 patients undergoing arthroscopic
ACL reconstruction via AM approach with 4 femoral hamstring tendon grafts were investigated from October 2019 to October 2021. Postoperative orthogonal x-rays and computed tomography (CT) scans were obtained, and the position of the femoral tunnel obtained after CT reconstruction was correlated
with the Bernard-Hertel grid. The angle of the resulting femoral tunnel on the orthogonal x-ray was analyzed against the CT tunnel position. Results: In the study, the anterior–posterior orientation was forward (P = 0.001) and the high-low orientation was similar (taken
as 20%, P = 0.066) or slightly higher (taken as 21%, P = 0.025) compared to the AM beam localization in the two-beam reconstruction. Overall, the femoral tunnel angle on non-weight-bearing orthogonal x-ray was negatively correlated with the anterior–posterior (AP) position
of the femoral tunnel centre as shown on CT (P = 0.004, r =−0.368) and positively, but weakly, correlated with the high-low (HL) position (P = 0.049, r = 0.254). Conclusion: Non-weight-bearing orthogonal X-rays only can make approximate predictions
about the distribution of anatomical reconstruction, I.D.E.A.L reconstruction.
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Affiliation(s)
- Zhihui Wang
- Department of Joint Surgery, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
| | - Yuanliang Du
- Department of Joint Surgery, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
| | - Qiankun Chang
- Department of Ultrasonography, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
| | - Qiang Xie
- Department of Hand and Foot Surgery, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
| | - Liqing Wang
- Intensive Care Unit, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
| | - Cong Xu
- Department of Joint Surgery, Affiliated Hospital of ChengDe Medical University, Chengde, Hebei 067000, China
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Mechanical Static Force Negatively Regulates Vitality and Early Skeletal Development in Zebrafish Embryos. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12062912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Skeletal system development and remodelling is regulated by several different factors, including hormones, cytokines, and mechanical forces. It is known that gravity and pressure stimulate mechanosensors on bone cells which transduce mechanical signals to chemical ones. Nevertheless, few data have been provided about the role of mechanical forces on embryo osteogenesis in vivo. Since the zebrafish is an elective model for developmental studies, in particular on bone formation and tissue mineralization, we analyzed in vivo the effects of a static mechanical force generated by a water column on fertilized zebrafish eggs. The results have shown that an increase in the hydrostatic pressure (HP) of up to 5.9% was lethal for 100% of treated embryos at 48 h post fertilization (hpf). A small decrease in length (−2%) and 49% mortality were found in the +4.4% HP embryos compared with the controls. To analyze skeletal development, we evaluated the number of mineralized vertebral bodies in the trunk at five days post fertilization. The embryos grown under +2.4% HP showed a physiological intramembranous mineralization of vertebral bodies whereas the embryos which grew with +3.4% HP showed a significant decrease in mineralization rate (−54%). Morphological analysis of cartilage and bones in embryos at +3.4% HP revealed a delay of both intramembranous and chondrogenic mineralization, respectively, in axial and head bones, whereas the chondrogenesis appeared normal. These data suggested that developing osteoblasts and different mineralization programs are sensitive to mechanical pressure when applied to early embryogenesis.
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