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Wu Z, Li W, Jiang K, Lin Z, Qian C, Wu M, Xia Y, Li N, Zhang H, Xiao H, Bai J, Geng D. Regulation of bone homeostasis: signaling pathways and therapeutic targets. MedComm (Beijing) 2024; 5:e657. [PMID: 39049966 PMCID: PMC11266958 DOI: 10.1002/mco2.657] [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: 09/12/2023] [Revised: 06/22/2024] [Accepted: 06/25/2024] [Indexed: 07/27/2024] Open
Abstract
As a highly dynamic tissue, bone is continuously rebuilt throughout life. Both bone formation by osteoblasts and bone resorption by osteoclasts constitute bone reconstruction homeostasis. The equilibrium of bone homeostasis is governed by many complicated signaling pathways that weave together to form an intricate network. These pathways coordinate the meticulous processes of bone formation and resorption, ensuring the structural integrity and dynamic vitality of the skeletal system. Dysregulation of the bone homeostatic regulatory signaling network contributes to the development and progression of many skeletal diseases. Significantly, imbalanced bone homeostasis further disrupts the signaling network and triggers a cascade reaction that exacerbates disease progression and engenders a deleterious cycle. Here, we summarize the influence of signaling pathways on bone homeostasis, elucidating the interplay and crosstalk among them. Additionally, we review the mechanisms underpinning bone homeostatic imbalances across diverse disease landscapes, highlighting current and prospective therapeutic targets and clinical drugs. We hope that this review will contribute to a holistic understanding of the signaling pathways and molecular mechanisms sustaining bone homeostasis, which are promising to contribute to further research on bone homeostasis and shed light on the development of targeted drugs.
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Affiliation(s)
- Zebin Wu
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Wenming Li
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Kunlong Jiang
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Zhixiang Lin
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Chen Qian
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Mingzhou Wu
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Yu Xia
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Ning Li
- Department of OrthopedicsCentre for Leading Medicine and Advanced Technologies of IHMDivision of Life Sciences and MedicineThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiChina
| | - Hongtao Zhang
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
| | - Haixiang Xiao
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
- Department of OrthopedicsJingjiang People's HospitalSeventh Clinical Medical School of Yangzhou UniversityJingjiangJiangsu ProvinceChina
| | - Jiaxiang Bai
- Department of OrthopedicsCentre for Leading Medicine and Advanced Technologies of IHMDivision of Life Sciences and MedicineThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiChina
| | - Dechun Geng
- Department of OrthopedicsThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsuChina
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Hu C, Zhao L, Peng C, Li L. Regulation of the mitochondrial reactive oxygen species: Strategies to control mesenchymal stem cell fates ex vivo and in vivo. J Cell Mol Med 2018; 22:5196-5207. [PMID: 30160351 PMCID: PMC6201215 DOI: 10.1111/jcmm.13835] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 07/11/2018] [Indexed: 12/18/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are broadly used in cell‐based regenerative medicine because of their self‐renewal and multilineage potencies in vitro and in vivo. To ensure sufficient amounts of MSCs for therapeutic purposes, cells are generally cultured in vitro for long‐term expansion or specific terminal differentiation until cell transplantation. Although physiologically up‐regulated reactive oxygen species (ROS) production is essential for maintenance of stem cell activities, abnormally high levels of ROS can harm MSCs both in vitro and in vivo. Overall, additional elucidation of the mechanisms by which physiological and pathological ROS are generated is necessary to better direct MSC fates and improve their therapeutic effects by controlling external ROS levels. In this review, we focus on the currently revealed ROS generation mechanisms and the regulatory routes for controlling their rates of proliferation, survival, senescence, apoptosis, and differentiation. A promising strategy in future regenerative medicine involves regulating ROS generation via various means to augment the therapeutic efficacy of MSCs, thus improving the prognosis of patients with terminal diseases.
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Affiliation(s)
- Chenxia Hu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lingfei Zhao
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.,Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, Institute of Nephrology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Conggao Peng
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lanjuan Li
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, School of Medicine, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
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Shen C, Cheng W, Yu P, Wang L, Zhou L, Zeng L, Yang Q. Resveratrol pretreatment attenuates injury and promotes proliferation of neural stem cells following oxygen-glucose deprivation/reoxygenation by upregulating the expression of Nrf2, HO-1 and NQO1 in vitro. Mol Med Rep 2016; 14:3646-54. [PMID: 27573874 PMCID: PMC5042764 DOI: 10.3892/mmr.2016.5670] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 07/18/2016] [Indexed: 11/17/2022] Open
Abstract
There is considerable interest in the use of drugs and other methods for protecting implanted neural stem cells (NSCs) from the adverse environment of injured tissue for successful cell therapy. Resveratrol can modify cardiac stem cells to enhance their survival and differentiation, however, its effect and the mechanism underlying its neuroprotective effect on NSCs following stroke remain to be fully elucidated. Nuclear factor erythroid 2-related factor 2 (Nrf-2) signaling is important in antioxidative stress, and the role of Nrf-2 signaling in the enhanced neuroprotection of NSCs by resveratrol following stroke also remains to be elucidated. In the present study, NSCs were pretreated with resveratrol prior to oxygen-glucose deprivation/reoxygenation (OGD/R) in vitro. The survival, apoptosis and proliferation of the NSCs were assessed using an MTT assay, Hoechst 33258 staining of nuclei and flow cytometry, respectively. In addition, the activity of superoxide dismutase (SOD), level of malondiadehyde (MDA) and content of glutathione (GSH) were determined. The protein expressions levels of Nrf-2, NAD(P)H:quinone oxidoreductase 1 (NQO-1), and heme oxygenase 1 (HO-1) were detected using western blot analysis. It was found that resveratrol markedly enhanced NSC survival and proliferation, decreased apoptosis and the levels of MDA, and increased the activity of SOD and content of GSH in a concentration-dependent manner following OGD/R injury in vitro. In addition, the protein expression levels of Nrf2, HO-1 and NQO1 were significantly upregulated. These findings suggested that resveratrol attenuated injury and promoted proliferation of the NSCs, at least in part, by upregulating the expression of Nrf2, HO-1 and NQO1 following OGD/R injury in vitro.
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Affiliation(s)
- Changbo Shen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wei Cheng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Pingping Yu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Li Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Lulin Zhou
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Li Zeng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Qin Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
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Ghadakzadeh S, Mekhail M, Aoude A, Hamdy R, Tabrizian M. Small Players Ruling the Hard Game: siRNA in Bone Regeneration. J Bone Miner Res 2016; 31:475-87. [PMID: 26890411 DOI: 10.1002/jbmr.2816] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/02/2016] [Accepted: 02/16/2016] [Indexed: 12/17/2022]
Abstract
Silencing gene expression through a sequence-specific manner can be achieved by small interfering RNAs (siRNAs). The discovery of this process has opened the doors to the development of siRNA therapeutics. Although several preclinical and clinical studies have shown great promise in the treatment of neurological disorders, cancers, dominant disorders, and viral infections with siRNA, siRNA therapy is still gaining ground in musculoskeletal tissue repair and bone regeneration. Here we present a comprehensive review of the literature to summarize different siRNA delivery strategies utilized to enhance bone regeneration. With advancement in understanding the targetable biological pathways involved in bone regeneration and also the rapid progress in siRNA technologies, application of siRNA for bone regeneration has great therapeutic potential. High rates of musculoskeletal injuries and diseases, and their inevitable consequences, impose a huge financial burden on individuals and healthcare systems worldwide.
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Affiliation(s)
- Saber Ghadakzadeh
- Experimental Surgery, Department of Surgery, Faculty of Medicine, McGill University, Montreal, Canada.,Division of Orthopaedic Surgery, Shriners Hospital for Children, McGill University, Montreal, Canada
| | - Mina Mekhail
- Division of Orthopaedic Surgery, Shriners Hospital for Children, McGill University, Montreal, Canada
| | - Ahmed Aoude
- Division of Orthopaedic Surgery, Shriners Hospital for Children, McGill University, Montreal, Canada
| | - Reggie Hamdy
- Experimental Surgery, Department of Surgery, Faculty of Medicine, McGill University, Montreal, Canada.,Division of Orthopaedic Surgery, Shriners Hospital for Children, McGill University, Montreal, Canada
| | - Maryam Tabrizian
- Department of Biomedical Engineering, McGill University, Montreal, Canada
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Mishra M, Jiang H, Wu L, Chawsheen HA, Wei Q. The sulfiredoxin-peroxiredoxin (Srx-Prx) axis in cell signal transduction and cancer development. Cancer Lett 2015; 366:150-9. [PMID: 26170166 DOI: 10.1016/j.canlet.2015.07.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 05/06/2015] [Accepted: 07/04/2015] [Indexed: 12/13/2022]
Abstract
Redox signaling is a critical component of cell signaling pathways that are involved in the regulation of cell growth, metabolism, hormone signaling, immune regulation and variety of other physiological functions. Peroxiredoxin (Prx) is a family of thiol-based peroxidase that acts as a regulator of redox signaling. Members of Prx family can act as antioxidants and chaperones. Sulfiredoxin (Srx) is an antioxidant protein that exclusively reduces over-oxidized typical 2-Cys Prx. Srx has different affinities for individual Prx and it also catalyzes the deglutathionylation of variety of substrates. Individual component of the Srx-Prx system plays critical role in carcinogenesis by modulating cell signaling pathways involved in cell proliferation, migration and metastasis. Expression levels of individual component of the Srx-Prx axis have been correlated with patient survival outcome in multiple cancer types. This review will summarize the molecular basis of differences in the affinity of Srx for individual Prx and the role of individual component of the Srx-Prx system in tumor progression and metastasis. This enhanced understanding of molecular aspects of Srx-Prx interaction and its role in cell signal transduction will help define the Srx-Prx system as a future therapeutic target in human cancer.
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Affiliation(s)
- Murli Mishra
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA
| | - Hong Jiang
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA
| | - Lisha Wu
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA
| | - Hedy A Chawsheen
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA
| | - Qiou Wei
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, USA; Markey Cancer Center, University of Kentucky College of Medicine, Lexington, KY 40536, USA.
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Qiu X, Jin X, Shao Z, Zhao X. 17 β-Estradiol Induces the Proliferation of Hematopoietic Stem Cells by Promoting the Osteogenic Differentiation of Mesenchymal Stem Cells. TOHOKU J EXP MED 2014; 233:141-8. [DOI: 10.1620/tjem.233.141] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Xi Qiu
- Department of Hematology, The Second Affiliated Hospital, School of Medicine, Zhejiang University
| | - Xiaoli Jin
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University
| | - Zhibin Shao
- Department of Hematology, The Second Affiliated Hospital, School of Medicine, Zhejiang University
| | - Xiaoying Zhao
- Department of Hematology, The Second Affiliated Hospital, School of Medicine, Zhejiang University
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