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Abdulhameed EA, Rani KA, AlGhalban FM, Abou Neel EA, Khalifa N, Khalil KA, Omar M, Samsudin AR. Managing Oxidative Stress Using Vitamin C to Improve Biocompatibility of Polycaprolactone for Bone Regeneration In Vitro. ACS OMEGA 2024; 9:31776-31788. [PMID: 39072128 PMCID: PMC11270701 DOI: 10.1021/acsomega.4c02858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/31/2024] [Accepted: 06/24/2024] [Indexed: 07/30/2024]
Abstract
Increased oxidative stress in bone cells is known to negatively alter favorable bone regeneration. This study aimed to develop a porous polycaprolactone (PCL) membrane incorporated with 25 wt % Vitamin C (PCL-Vit C) and compared it to the PCL membrane to control oxidative stress and enhance biomineralization in vitro. Both membranes were characterized using SEM-EDS, FTIR spectroscopy, and surface hydrophilicity. Vitamin C release was quantified colorimetrically. Assessments of the viability and attachment of human fetal osteoblast (hFOB 1.19) cells were carried out using XTT assay, SEM, and confocal microscopy, respectively. ROS generation and wound healing percentage were measured using flow cytometry and ImageJ software, respectively. Mineralization study using Alizarin Red in the presence or absence of osteogenic media was carried out to measure the calcium content. Alkaline phosphatase assay and gene expression of osteogenic markers (alkaline phosphatase (ALP), collagen Type I (Col1), runt-related transcription factor 2 (RUNX2), osteocalcin (OCN), and osteopontin (OPN)) were analyzed by real-time PCR. SEM images revealed smooth, fine, bead-free fibers in both membranes. The FTIR spectrum of pure vitamin C was replaced with peaks at 3436.05 and 2322.83 cm-1 in the PCL-Vit C membrane. Vitamin C release was detected at 15 min and 1 h. The PCL-Vit C membrane was hydrophilic, generated lower ROS, and showed significantly higher viability than the PCL membrane. Although both PCL and PCL-Vit C membranes showed similar cellular and cytoskeletal morphology, more cell clusters were evident in the PCL-Vit C membrane. Lower ROS level in the PCL-Vit C membrane displayed improved cell functionality as evidenced by enhanced cellular differentiation with more intense alizarin staining and higher calcium content, supported by upregulation of osteogenic markers ALP, Col1, and OPN even in the absence of osteogenic supplements. The presence of Vitamin C in the PCL-Vit C membrane may have mitigated oxidative stress in hFOB 1.19 cells, resulting in enhanced biomineralization facilitating bone regeneration.
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Affiliation(s)
- Elaf Akram Abdulhameed
- Restorative
& Preventive Dentistry Department, College of Dental Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
- School
of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan 16150, Malaysia
| | - K.G. Aghila Rani
- Research
Institute for Medical and Health Sciences RIMHS, University of Sharjah, Sharjah 27272, United Arab
Emirates
| | - Fatima Mousa AlGhalban
- Research
Institute for Medical and Health Sciences RIMHS, University of Sharjah, Sharjah 27272, United Arab
Emirates
| | - Ensanya A. Abou Neel
- Restorative
& Preventive Dentistry Department, College of Dental Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
- UCL Eastman
Dental Institute, Biomaterials & Tissue Engineering Division, Royal Free Hospital, Rowland Hill Street, London WC1E 6BT, U.K.
| | - Nadia Khalifa
- Restorative
& Preventive Dentistry Department, College of Dental Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
| | | | - Marzuki Omar
- School
of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan 16150, Malaysia
| | - Ab Rani Samsudin
- Oral
& Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
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Laniak OT, Winans T, Patel A, Park J, Perl A. Redox Pathogenesis in Rheumatic Diseases. ACR Open Rheumatol 2024; 6:334-346. [PMID: 38664977 PMCID: PMC11168917 DOI: 10.1002/acr2.11668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 06/14/2024] Open
Abstract
Despite being some of the most anecdotally well-known roads to pathogenesis, the mechanisms governing autoimmune rheumatic diseases are not yet fully understood. The overactivation of the cellular immune system and the characteristic development of autoantibodies have been linked to oxidative stress. Typical clinical manifestations, such as joint swelling and deformities and inflammation of the skin and internal organs, have also been connected directly or indirectly to redox mechanisms. The differences in generation and restraint of oxidative stress provide compelling evidence for the broad variety in pathology among rheumatic diseases and explain some of the common triggers and discordant manifestations in these diseases. Growing evidence of redox mechanisms in pathogenesis has provided a broad array of new potential therapeutic targets. Here, we explore the mechanisms by which oxidative stress is generated, explore its roles in autoimmunity and end-organ damage, and discuss how individual rheumatic diseases exhibit unique features that offer targets for therapeutic interventions.
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Affiliation(s)
- Olivia T. Laniak
- Norton College of MedicineState University of New York Upstate Medical UniversitySyracuse
| | - Thomas Winans
- Norton College of MedicineState University of New York Upstate Medical UniversitySyracuse
| | - Akshay Patel
- Norton College of MedicineState University of New York Upstate Medical UniversitySyracuse
| | - Joy Park
- Norton College of MedicineState University of New York Upstate Medical UniversitySyracuse
| | - Andras Perl
- Norton College of MedicineState University of New York Upstate Medical UniversitySyracuse
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Ji H, Pan Q, Cao R, Li Y, Yang Y, Chen S, Gu Y, Qian D, Guo Y, Wang L, Wang Z, Xiao L. Garcinone C attenuates RANKL-induced osteoclast differentiation and oxidative stress by activating Nrf2/HO-1 and inhibiting the NF-kB signaling pathway. Heliyon 2024; 10:e25601. [PMID: 38333852 PMCID: PMC10850749 DOI: 10.1016/j.heliyon.2024.e25601] [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: 10/02/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024] Open
Abstract
Osteoporosis is the result of osteoclast formation exceeding osteoblast production, and current osteoporosis treatments targeting excessive osteoclast bone resorption have serious adverse effects. There is a need to fully understand the mechanisms of osteoclast-mediated bone resorption, identify new drug targets, and find better drugs to treat osteoporosis. Gar C (Gar C) is a major naturally occurring phytochemical isolated from mangosteen, and is a derivative of the naturally occurring phenolic antioxidant lutein. We used an OP mouse model established by ovariectomy (OVX). We found that treatment with Gar C significantly increased bone mineral density and significantly decreased the expression of TRAP, NFATC1 and CTSK relative to untreated OP mice. We found that Garcinone C could disrupt osteoclast activation and resorption functions by inhibiting RANKL-induced osteoclast differentiation as well as inhibiting the formation of multinucleated osteoclasts. Immunoblotting showed that Gar C downregulated the expression of osteoclast-related proteins. In addition, Gar C significantly inhibited RANKL-induced ROS production and affected NF-κB activity by inhibiting phosphorylation Formylation of P65 and phosphorylation and degradation of ikba. These data suggest that Gar C significantly reduced OVX-induced osteoporosis by inhibiting osteoclastogenesis and oxidative stress in bone tissue. Mechanistically, this effect was associated with inhibition of the ROS-mediated NF-κB pathway.
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Affiliation(s)
- Hongyun Ji
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Qian Pan
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Ruihong Cao
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yajun Li
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yunshang Yang
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Shuangshuang Chen
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yong Gu
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Daoyi Qian
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yang Guo
- Laboratory of New Techniques of Restoration & Reconstruction of Orthopedics and Traumatology, Nanjing University of Chinese Medicine, Nanjing, 210000, China
| | - Liangliang Wang
- Department of Orthopedics, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, 213000, China
| | - Zhirong Wang
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Long Xiao
- Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
- Department of Orthopedics, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
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Tokpinar A, Nisari M, Yilmaz S, Yay A, Yildiz OG, Balcioğlu E, Alişan P, Bilgici P, Uçar S, Ateş Ş, Bağci K. The effect of ionizing radiation on the fetal bone development in pregnant rats: Role of melatonin. Microsc Res Tech 2024; 87:95-104. [PMID: 37705325 DOI: 10.1002/jemt.24414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/10/2023] [Accepted: 08/26/2023] [Indexed: 09/15/2023]
Abstract
Radiation has been widely used in many business sectors over the last century. Our study investigated the possible teratogenic effects of radiation on the bones of rat fetuses and the protective effect of melatonin against these effects. In this study, 15 pregnant female Wistar albino rats were used. These rats were divided into four groups: the control group, melatonin group (10 mg/kg/day), radiation group (0.5 gray), radiation (0.5 gray) + melatonin group (10 mg/kg/day), and sham group (1 mm hanks/day). The skeletal system development of fetuses was examined with double skeletal and scanning electron microscope (SEM), histopathological methods. In our study, fetal weight, placental weight, and fetal morphometric values were found to be statistically significantly decreased in the radiation group compared to the control group (p < .05). In immünohistochemistry (IHC) analysis, alkaline phosphatase, and tartrate-resistant acid phosphatase) concentrations were found to be significantly lower in the radiation group compared to the other groups. In the SEM analysis, it was observed that the amount of calcium and sodium decreased when the radiation group was compared with the other groups. As a result, when exposed to ionizing radiation during pregnancy, melatonin has a protective feature against the negative effects of radiation on the bone development of fetuses. RESEARCH HIGHLIGHTS: In our study, fetuses obtained from pregnant rats exposed to ionizing radiation were examined. In this study, the effect of melatonin on bone development in fetuses exposed to gray ionizing radiation was investigated. There are few studies on our subject in the literature. We believe that our findings will contribute to other planned studies.
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Affiliation(s)
- Adem Tokpinar
- Department of Anatomy, Ordu University Faculty of Medicine, Ordu, Turkey
| | - Mehtap Nisari
- Department of Anatomy, Erciyes University Faculty of Medicine, Kayseri, Turkey
| | - Seher Yilmaz
- Department of Anatomy, Yozgat Bozok University Faculty of Medicine, Yozgat, Turkey
| | - Arzu Yay
- Department of Embryology, Erciyes University Medicine Faculty Histology, Kayseri, Turkey
| | - Oğuz Galip Yildiz
- Department of Radiation Oncology, Erciyes University Medicine Faculty, Kayseri, Turkey
| | - Esra Balcioğlu
- Department of Embryology, Erciyes University Medicine Faculty Histology, Kayseri, Turkey
| | - Pınar Alişan
- Department of Embryology, Erciyes University Medicine Faculty Histology, Kayseri, Turkey
| | - Pınar Bilgici
- Department of Embryology, Erciyes University Medicine Faculty Histology, Kayseri, Turkey
| | - Sümeyye Uçar
- Department of Anatomy, Erciyes University Faculty of Medicine, Kayseri, Turkey
| | - Şükrü Ateş
- Department of Anatomy, Yozgat Bozok University Faculty of Medicine, Yozgat, Turkey
| | - Kezban Bağci
- Niğde Zübeyde Hanım Vocational School of Health Services, Niğde Ömer Halisdemir University, Niğde, Turkey
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Yiang GT, Su WL, Zheng CM, Liao MT, Cheng TH, Lu CL, Lu KC. The influence of uremic toxins on low bone turnover disease in chronic kidney disease. Tzu Chi Med J 2024; 36:38-45. [PMID: 38406573 PMCID: PMC10887346 DOI: 10.4103/tcmj.tcmj_212_23] [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: 08/27/2023] [Revised: 09/11/2023] [Accepted: 09/28/2023] [Indexed: 02/27/2024] Open
Abstract
Uremic toxins play a crucial role in the development of low bone turnover disease in chronic kidney disease (CKD) through the induction of oxidative stress. This oxidative stress disrupts the delicate balance between bone formation and resorption, resulting in a decline in both bone quantity and quality. Reactive oxygen species (ROS) activate nuclear factor kappa-B and mitogen-activated protein kinase signaling pathways, promoting osteoclastogenesis. Conversely, ROS hinder osteoblast differentiation by facilitating the binding of Forkhead box O proteins (FoxOs) to β-catenin, triggering apoptosis through FoxOs-activating kinase phosphorylation. This results in increased osteoblastic receptor activator of nuclear factor kappa-B ligand (RANKL) expression and decreased nuclear factor erythroid 2-related factor 2 levels, compromising antioxidant defenses against oxidative damage. As CKD progresses, the accumulation of protein-bound uremic toxins such as indoxyl sulfate (IS) and p-cresyl sulfate (PCS) intensifies oxidative stress, primarily affecting osteoblasts. IS and PCS directly inhibit osteoblast viability, induce apoptosis, decrease alkaline phosphatase activity, and impair collagen 1 and osteonectin, impeding bone formation. They also reduce cyclic adenosine 3',5'-monophosphate (cAMP) production and lower parathyroid hormone (PTH) receptor expression in osteoblasts, resulting in PTH hyporesponsiveness. In summary, excessive production of ROS by uremic toxins not only reduces the number and function of osteoblasts but also induces PTH hyporesponsiveness, contributing to the initiation and progression of low bone turnover disease in CKD.
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Affiliation(s)
- Giou-Teng Yiang
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
| | - Wen-Lin Su
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
| | - Cai-Mei Zheng
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Shuang Ho Hospital, New Taipei, Taiwan
- Taipei Medical University-Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
| | - Min-Tser Liao
- Department of Pediatrics, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
- Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Tong-Hong Cheng
- Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
| | - Chien-Lin Lu
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei, Taiwan
- Division of Nephrology, Department of Medicine, Fu Jen Catholic University Hospital, New Taipei, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
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6
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Sun X, Xu X, Yue X, Wang T, Wang Z, Zhang C, Wang J. Nanozymes With Osteochondral Regenerative Effects: An Overview of Mechanisms and Recent Applications. Adv Healthc Mater 2024; 13:e2301924. [PMID: 37633309 DOI: 10.1002/adhm.202301924] [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: 06/17/2023] [Revised: 08/14/2023] [Indexed: 08/28/2023]
Abstract
With the discovery of the intrinsic enzyme-like activity of metal oxides, nanozymes garner significant attention due to their superior characteristics, such as low cost, high stability, multi-enzyme activity, and facile preparation. Notably, in the field of biomedicine, nanozymes primarily focus on disease detection, antibacterial properties, antitumor effects, and treatment of inflammatory conditions. However, the potential for application in regenerative medicine, which primarily addresses wound healing, nerve defect repair, bone regeneration, and cardiovascular disease treatment, is garnering interest as well. This review introduces nanozymes as an innovative strategy within the realm of bone regenerative medicine. The primary focus of this approach lies in the facilitation of osteochondral regeneration through the modulation of the pathological microenvironment. The catalytic mechanisms of four types of representative nanozymes are first discussed. The pathological microenvironment inhibiting osteochondral regeneration, followed by summarizing the therapy mechanism of nanozymes to osteochondral regeneration barriers is introduced. Further, the therapeutic potential of nanozymes for bone diseases is included. To improve the therapeutic efficiency of nanozymes and facilitate their clinical translation, future potential applications in osteochondral diseases are also discussed and some significant challenges addressed.
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Affiliation(s)
- Xueheng Sun
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, 200438, China
| | - Xiang Xu
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Xiaokun Yue
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Tianchang Wang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Zhaofei Wang
- Department of Orthopaedic Surgery, Shanghai ZhongYe Hospital, Genertec Universal Medical Group, Shanghai, 200941, China
| | - Changru Zhang
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
- Institute of Translational Medicine, Shanghai Jiaotong University, No. 800 Dongchuan Road, Shanghai, 200240, China
| | - Jinwu Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, 200438, China
- Shanghai Key Laboratory of Orthopaedic Implant, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Rd, Shanghai, 200011, China
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Marques-Carvalho A, Kim HN, Almeida M. The role of reactive oxygen species in bone cell physiology and pathophysiology. Bone Rep 2023; 19:101664. [PMID: 38163012 PMCID: PMC10757300 DOI: 10.1016/j.bonr.2023.101664] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/26/2023] Open
Abstract
Hydrogen peroxide (H2O2), superoxide anion radical (O2-•), and other forms of reactive oxygen species (ROS) are produced by the vast majority of mammalian cells and can contribute both to cellular homeostasis and dysfunction. The NADPH oxidases (NOX) enzymes and the mitochondria electron transport chain (ETC) produce most of the cellular ROS. Multiple antioxidant systems prevent the accumulation of excessive amounts of ROS which cause damage to all cellular macromolecules. Many studies have examined the contribution of ROS to different bone cell types and to skeletal physiology and pathophysiology. Here, we discuss the role of H2O2 and O2-• and their major enzymatic sources in osteoclasts and osteoblasts, the fundamentally different ways via which these cell types utilize mitochondrial derived H2O2 for differentiation and function, and the molecular mechanisms that impact and are altered by ROS in these cells. Particular emphasis is placed on evidence obtained from mouse models describing the contribution of different sources of ROS or antioxidant enzymes to bone resorption and formation. Findings from studies using pharmacological or genetically modified mouse models indicate that an increase in H2O2 and perhaps other ROS contribute to the loss of bone mass with aging and estrogen deficiency, the two most important causes of osteoporosis and increased fracture risk in humans.
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Affiliation(s)
- Adriana Marques-Carvalho
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech, Biocant Park, Cantanhede, Portugal
| | - Ha-Neui Kim
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Maria Almeida
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Orthopedic Surgery, University of Arkansas for Medical Sciences, Little Rock, USA
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8
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Che J, Yang X, Jin Z, Xu C. Nrf2: A promising therapeutic target in bone-related diseases. Biomed Pharmacother 2023; 168:115748. [PMID: 37865995 DOI: 10.1016/j.biopha.2023.115748] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/15/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023] Open
Abstract
Nuclear factor erythroid-2-related factor 2 (Nrf2) plays an important role in maintaining cellular homeostasis, as it suppresses cell damage caused by external stimuli by regulating the transcription of intracellular defense-related genes. Accumulating evidence has highlighted the crucial role of reduction-oxidation (REDOX) imbalance in the development of bone-related diseases. Nrf2, a transcription factor linked to nuclear factor-erythrocyte 2, plays a pivotal role in the regulation of oxidative stress and induction of antioxidant defenses. Therefore, further investigation of the mechanism and function of Nrf2 in bone-related diseases is essential. Considerable evidence suggests that increased nuclear transcription of Nrf2 in response to external stimuli promotes the expression of intracellular antioxidant-related genes, which in turn leads to the inhibition of bone remodeling imbalance, improved fracture recovery, reduced occurrence of osteoarthritis, and greater tumor resistance. Certain natural extracts can selectively target Nrf2, potentially offering therapeutic benefits for osteogenic arthropathy. In this article, the biological characteristics of Nrf2 are reviewed, the intricate interplay between Nrf2-regulated REDOX imbalance and bone-related diseases is explored, and the potential preventive and protective effects of natural products targeting Nrf2 in these diseases are elucidated. A comprehensive understanding of the role of Nrf2 in the development of bone-related diseases provides valuable insights into clinical interventions and can facilitate the discovery of novel Nrf2-targeting drugs.
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Affiliation(s)
- Jingmin Che
- Shaanxi Provincial Key Laboratory of Infection and Immune Diseases, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China; Shaanxi Engineering Research Center of Cell Immunology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China.
| | - Xiaoli Yang
- Shaanxi Provincial Key Laboratory of Infection and Immune Diseases, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China; Shaanxi Engineering Research Center of Cell Immunology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Zhankui Jin
- Department of Orthopedics, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China.
| | - Cuixiang Xu
- Shaanxi Provincial Key Laboratory of Infection and Immune Diseases, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China; Shaanxi Engineering Research Center of Cell Immunology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
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9
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Yao H, Du Y, Jiang B, Liao Y, Zhao Y, Yin M, Li T, Sheng Y, Ji Y, Du M. Sulforaphene suppresses RANKL-induced osteoclastogenesis and LPS-induced bone erosion by activating Nrf2 signaling pathway. Free Radic Biol Med 2023; 207:48-62. [PMID: 37423561 DOI: 10.1016/j.freeradbiomed.2023.07.009] [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: 06/02/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/11/2023]
Abstract
BACKGROUND AND PURPOSE Inflammatory disorders have been found to induce bone loss through sustained and persistent activation of osteoclast differentiation, leading to heightened bone resorption. The current pharmacological interventions for combating bone loss to harbor adverse effects or contraindications. There is a pressing need to identify drugs with fewer side effects. EXPERIMENTAL APPROACH The effect and underlying mechanism of sulforaphene (LFS) on osteoclast differentiation were illustrated in vitro and in vivo with RANKL-induced Raw264.7 cell line osteoclastogenesis and lipopolysaccharide (LPS)-induced bone erosion model. KEY RESULTS In this study, LFS has been shown to effectively impede the formation of mature osteoclasts induced from both Raw264.7 cell line and bone marrow macrophages (BMMs), mainly at the early stage. Further mechanistic investigations uncovered that LFS suppressed AKT phosphorylation. SC-79, a potent AKT activator, was found to reverse the inhibitory impact of LFS on osteoclast differentiation. Moreover, transcriptome sequencing analysis revealed that treatment with LFS led to a significant upregulation in the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and antioxidant-related genes. Then it's validated that LFS could promote NRF2 expression and nuclear translocation, as well as effectively resist oxidative stress. NRF2 knockdown reversed the suppression effect of LFS on osteoclast differentiation. In vivo experiments provide convincing evidence that LFS is protective against LPS-induced inflammatory osteolysis. CONCLUSION AND IMPLICATIONS These well-grounded and promising findings suggest LFS as a promising agent to addressing oxidative-stress related diseases and bone loss disorders.
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Affiliation(s)
- Hantao Yao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yangge Du
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Bulin Jiang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yilin Liao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yaoyu Zhao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Mengjie Yin
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Ting Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yue Sheng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yaoting Ji
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China.
| | - Minquan Du
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China.
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Yang S, Sun Y, Kapilevich L, Zhang X, Huang Y. Protective effects of curcumin against osteoporosis and its molecular mechanisms: a recent review in preclinical trials. Front Pharmacol 2023; 14:1249418. [PMID: 37790808 PMCID: PMC10544586 DOI: 10.3389/fphar.2023.1249418] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
Osteoporosis (OP) is one of the most common metabolic skeletal disorders and is commonly seen in the elderly population and postmenopausal women. It is mainly associated with progressive loss of bone mineral density, persistent deterioration of bone microarchitecture, and increased fracture risk. To date, drug therapy is the primary method used to prevent and treat osteoporosis. However, long-term drug therapy inevitably leads to drug resistance and specific side effects. Therefore, researchers are constantly searching for new monomer compounds from natural plants. As a candidate for the treatment of osteoporosis, curcumin (CUR) is a natural phenolic compound with various pharmacological and biological activities, including antioxidant, anti-apoptotic, and anti-inflammatory. This compound has gained research attention for maintaining bone health in various osteoporosis models. We reviewed preclinical and clinical studies of curcumin in preventing and alleviating osteoporosis. These results suggest that if subjected to rigorous pharmacological and clinical trials, naturally-derived curcumin could be used as a complementary and alternative medicine for the treatment of osteoporosis by targeting osteoporosis-related mechanistic pathways. This review summarizes the mechanisms of action and potential therapeutic applications of curcumin in the prevention and mitigation of osteoporosis and provides reference for further research and development of curcumin.
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Affiliation(s)
- Shenglei Yang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Yuying Sun
- School of Stomatology, Binzhou Medical College, Yantai, China
| | - Leonid Kapilevich
- Faculty of Physical Education, Nаtionаl Reseаrch Tomsk Stаte University, Tomsk, Russiа
| | - Xin’an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Yue Huang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
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Li J, Zhang J, Xue Q, Liu B, Qin R, Li Y, Qiu Y, Wang R, Goltzman D, Miao D, Yang R. Pyrroloquinoline quinone alleviates natural aging-related osteoporosis via a novel MCM3-Keap1-Nrf2 axis-mediated stress response and Fbn1 upregulation. Aging Cell 2023; 22:e13912. [PMID: 37365714 PMCID: PMC10497824 DOI: 10.1111/acel.13912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/28/2023] Open
Abstract
Age-related osteoporosis is associated with increased oxidative stress and cellular senescence. Pyrroloquinoline quinone (PQQ) is a water-soluble vitamin-like compound that has strong antioxidant capacity; however, the effect and underlying mechanism of PQQ on aging-related osteoporosis remain unclear. The purpose of this study was to investigate whether dietary PQQ supplementation can prevent osteoporosis caused by natural aging, and the potential mechanism underlying PQQ antioxidant activity. Here, we found that when 6-month-old or 12-month-old wild-type mice were supplemented with PQQ for 12 months or 6 months, respectively, PQQ could prevent age-related osteoporosis in mice by inhibiting osteoclastic bone resorption and stimulating osteoblastic bone formation. Mechanistically, pharmmapper screening and molecular docking studies revealed that PQQ appears to bind to MCM3 and reduces its ubiquitination-mediated degradation; stabilized MCM3 then competes with Nrf2 for binding to Keap1, thus activating Nrf2-antioxidant response element (ARE) signaling. PQQ-induced Nrf2 activation inhibited bone resorption through increasing stress response capacity and transcriptionally upregulating fibrillin-1 (Fbn1), thus reducing Rankl production in osteoblast-lineage cells and decreasing osteoclast activation; as well, bone formation was stimulated by inhibiting osteoblastic DNA damage and osteocyte senescence. Furthermore, Nrf2 knockout significantly blunted the inhibitory effects of PQQ on oxidative stress, on increased osteoclast activity and on the development of aging-related osteoporosis. This study reveals the underlying mechanism of PQQ's strong antioxidant capacity and provides evidence for PQQ as a potential agent for clinical prevention and treatment of natural aging-induced osteoporosis.
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Affiliation(s)
- Jie Li
- Department of Plastic SurgeryAffiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjingChina
| | - Jing Zhang
- Department of Plastic SurgeryAffiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjingChina
| | - Qi Xue
- Department of Anatomy, Histology and Embryology, State Key Laboratory of Reproductive Medicine, The Research Center for Bone and Stem CellsNanjing Medical UniversityNanjingChina
| | - Boyang Liu
- Department of Anatomy, Histology and Embryology, State Key Laboratory of Reproductive Medicine, The Research Center for Bone and Stem CellsNanjing Medical UniversityNanjingChina
| | - Ran Qin
- Department of Anatomy, Histology and Embryology, State Key Laboratory of Reproductive Medicine, The Research Center for Bone and Stem CellsNanjing Medical UniversityNanjingChina
| | - Yiping Li
- Department of Plastic SurgeryAffiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjingChina
| | - Yue Qiu
- Department of Anatomy, Histology and Embryology, State Key Laboratory of Reproductive Medicine, The Research Center for Bone and Stem CellsNanjing Medical UniversityNanjingChina
| | - Rong Wang
- Department of Anatomy, Histology and Embryology, State Key Laboratory of Reproductive Medicine, The Research Center for Bone and Stem CellsNanjing Medical UniversityNanjingChina
| | - David Goltzman
- Calcium Research LaboratoryMcGill University Health Centre and Department of Medicine, McGill UniversityMontrealQuebecCanada
| | - Dengshun Miao
- Department of Plastic SurgeryAffiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjingChina
| | - Renlei Yang
- Department of Plastic SurgeryAffiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjingChina
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Zhao X, Zhang M, Wang J, Ji K, Wang Y, Sun X, Xu C, Wang Q, He N, Song H, Du L, Wang F, Huang H, Liu Y, Liu Q. NMN ameliorated radiation induced damage in NRF2-deficient cell and mice via regulating SIRT6 and SIRT7. Free Radic Biol Med 2022; 193:342-353. [PMID: 36252808 DOI: 10.1016/j.freeradbiomed.2022.10.267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/18/2022] [Accepted: 10/07/2022] [Indexed: 12/14/2022]
Abstract
Risk of cancer often increases with aging, and radiotherapy is an essential component of treatment. As for abdominal and pelvic cancer, radiotherapy always inevitably causes injury to intestines through direct DNA damage or overload of reactive oxygen species (ROS). Nuclear factor erythroid 2-related factor 2 (NRF2) has been identified as a key protective factor against ionizing-radiation induced damage through promoting DNA damage repair and antioxidant modulation. However, the level of NRF2 always decreases with aging. Here, we demonstrated that NRF2 deficiency aggravated cellular DNA damage and the intestinal pathological lesion. Overexpression of SIRT6 or SIRT7 could improve cell proliferation and protect against radiation injury in NRF2 knock-out (KO) cells by modulating oxidative-stress and DNA damage repair. Consistently, supplement of nicotinamide mononucleotide (NMN), the agonist of sirtuins, increased the level of SIRT6 and SIRT7 in NRF2 KO cells, concomitant with reduced cellular ROS level and ameliorated DNA damage. In vivo, long-term oral administration of NMN attenuated the radiation-induced injury of jejunum, increased the number of intestinal stem cells, and promoted the ability of intestinal proliferation in NRF2-/- mice. Together, our results indicated that SIRT6 and SIRT7 had involved in scavenging ROS and repairing DNA damage, and NMN could be a promising candidate for preventing radiation damage when NRF2 is lacking.
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Affiliation(s)
- Xiaotong Zhao
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Manman Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Jinhan Wang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Kaihua Ji
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Yan Wang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Xiaohui Sun
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Chang Xu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Qin Wang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Ningning He
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Huijuan Song
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Liqing Du
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Feng Wang
- Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Hao Huang
- Effepharm (Shanghai) Co. Ltd, No.1 Mid Wangdong Rd, Songjiang District, Shanghai, 201601, China
| | - Yang Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China.
| | - Qiang Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China.
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Chen B, He Q, Yang J, Pan Z, Xiao J, Chen W, Chi W, Li M, Li S, Zeng J, Chen C, Wang F, Pang X, Yi Y, Tu H, Wang H, Chen P. Metformin suppresses Oxidative Stress induced by High Glucose via Activation of the Nrf2/HO-1 Signaling Pathway in Type 2 Diabetic Osteoporosis. Life Sci 2022; 312:121092. [PMID: 36279968 DOI: 10.1016/j.lfs.2022.121092] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Metformin (MET) is widely used as a first-line hypoglycemic agent for the treatment of type 2 diabetes mellitus (T2DM) and was also confirmed to have a therapeutic effect on type 2 diabetic osteoporosis (T2DOP). However, the potential mechanisms of MET in the treatment of T2DOP are unclear. OBJECTIVE To clarify the effect of MET in T2DOP and to explore the potential mechanism of MET in the treatment of T2DOP. METHODS In vitro, we used MC3T3-E1 cells to study the effects of MET on osteogenic differentiation and anti-oxidative stress injury in a high glucose (Glucose 25 mM) environment. In vivo, we directly used db/db mice as a T2DOP model and assessed the osteoprotective effects of MET by Micro CT and histological analysis. RESULTS In vitro, we found that MET increased ALP activity in MC3T3-E1 cells in a high-glucose environment, promoted the formation of bone mineralized nodules, and upregulated the expression of the osteogenesis-related transcription factors RUNX2, Osterix, and COL1A1-related genes. In addition, MET was able to reduce high glucose-induced reactive oxygen species (ROS) production. In studies on the underlying mechanisms, we found that MET activated the Nrf2/HO-1 signaling pathway and alleviated high-glucose-induced oxidative stress injury. In vivo results showed that MET reduced bone loss and bone microarchitecture destruction in db/db mice. CONCLUSION Our results suggest that MET can activate the Nrf2/HO-1 signaling pathway to regulate the inhibition of osteogenic differentiation induced by high glucose thereby protecting T2DOP.
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Affiliation(s)
- Bohao Chen
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Qi He
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Junzheng Yang
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Zhaofeng Pan
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Jiacong Xiao
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Weijian Chen
- Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Weijin Chi
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Miao Li
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Shaocong Li
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Jiaxu Zeng
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Chuyi Chen
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - FanChen Wang
- 1st School of Medicine, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, PR China; The Laboratory of Orthopaedics and Traumatology of Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Xinyuan Pang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Yanzi Yi
- The Third Affiliated Medical College of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510405, PR China
| | - Haitao Tu
- Department of Orthopaedics, First Affiliated Hospital, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, China
| | - Haibin Wang
- Department of Orthopaedics, First Affiliated Hospital, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, China.
| | - Peng Chen
- Department of Orthopaedics, First Affiliated Hospital, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun Area, Guangzhou 510405, China.
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Biswas L, Niveria K, Verma AK. Paradoxical role of reactive oxygen species in bone remodelling: implications in osteoporosis and possible nanotherapeutic interventions. EXPLORATION OF MEDICINE 2022. [DOI: 10.37349/emed.2022.00102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Osteoporosis is a metabolic bone disorder that affects both sexes and is the most common cause of fractures. Osteoporosis therapies primarily inhibit osteoclast activity, and are seldom designed to trigger new bone growth thereby frequently causing severe systemic adverse effects. Physiologically, the intracellular redox state depends on the ratio of pro-oxidants, oxidizing agents (reactive oxygen species, ROS) and antioxidants. ROS is the key contributor to oxidative stress in osteoporosis as changes in redox state are responsible for dynamic bone remodeling and bone regeneration. Imbalances in ROS generation vs. antioxidant systems play a pivotal role in pathogenesis of osteoporosis, stimulating osteoblasts and osteocytes towards osteoclastogenesis. ROS prevents mineralization and osteogenesis, causing increased turnover of bone loss. Alternatively, antioxidants either directly or indirectly, contribute to activation of osteoblasts leading to differentiation and mineralization, thereby reducing osteoclastogenesis. Owing to the unpredictability of immune responsiveness and reported adverse effects, despite promising outcomes from drugs against oxidative stress, treatment in clinics targeting osteoclast has been limited. Nanotechnology-mediated interventions have gained remarkable superiority over other treatment modalities in regenerative medicine. Nanotherapeutic approaches exploit the antioxidant properties of nanoparticles for targeted drug delivery to trigger bone repair, by enhancing their osteogenic and anti-osteoclastogenic potentials to influence the biocompatibility, mechanical properties and osteoinductivity. Therefore, exploiting nanotherapeutics for maintaining the differentiation and proliferation of osteoblasts and osteoclasts is quintessential.
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Affiliation(s)
- Largee Biswas
- 1Nanobiotech lab, Department of Zoology, Kirori Mal College, University of Delhi, Delhi 110007, India
| | - Karishma Niveria
- 1Nanobiotech lab, Department of Zoology, Kirori Mal College, University of Delhi, Delhi 110007, India
| | - Anita Kamra Verma
- 1Nanobiotech lab, Department of Zoology, Kirori Mal College, University of Delhi, Delhi 110007, India 2Fellow, Delhi School of Public Health, Institution of Eminence, University of Delhi, Delhi 110007, India
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Xu S, Xia T, Zhang J, Jiang Y, Wang N, Xin H. Protective effects of bitter acids from Humulus lupulus L. against senile osteoporosis via activating Nrf2/HO-1/NQO1 pathway in D-galactose induced aging mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Sun X, Xia T, Zhang S, Zhang J, Xu L, Han T, Xin H. Hops extract and xanthohumol ameliorate bone loss induced by iron overload via activating Akt/GSK3β/Nrf2 pathway. J Bone Miner Metab 2022; 40:375-388. [PMID: 35106609 DOI: 10.1007/s00774-021-01295-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 11/17/2021] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Osteoporosis is closely related to iron metabolism. This study aimed to investigate whether hops extract (HLE) and its active component xanthohumol (XAN) could ameliorate bone loss caused by iron overload, and explored its potential mechanism. MATERIALS AND METHODS Iron overload mice induced by iron dextran (ID) were used in vivo, and were treated with HLE and XAN for 3 months. Bone micro-structure and bone morphology parameters were determined by Micro-CT and TRAP staining. Bone metabolism markers and oxidation indexes in serum and bone tissue were evaluated. For in vitro experiment, bone formation indexes were determined. Moreover, the expression of key proteins in protein kinase B (Akt)/glycogen synthetase kinase 3β (GSK3β)/nuclear factor E2-related (Nrf2) pathway was evaluated by Western blotting. RESULTS HLE and XAN effectively improved the bone micro-structure of the femur in mice, altered bone metabolism biomarkers, and regulated the expression of proteins related to bone metabolism. Additionally, they significantly promoted cell proliferation, runt-related gene 2 (Runx2) expression, and increased ALP activity in ID-induced osteoblasts. Moreover, HLE and XAN markedly inhibited the increase of oxidative stress caused by iron overload in vivo and in vitro. Further studies showed that they significantly up-regulated the expression of p-Akt, p-GSK3β, nuclear-Nrf2, NAD(P)H: quinone oxidoreductase 1 (NQO1), and heme oxygenase-1 (HO-1) in ID-induced osteoblasts. CONCLUSION These findings indicated hops and xanthohumol could ameliorate bone loss induced by iron overload via activating Akt/GSK3β/Nrf2 pathway, which brought up a novel sight for senile osteoporosis therapy.
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Affiliation(s)
- Xiaolei Sun
- Department of Pharmacognosy, School of Pharmacy, Naval Medical University, 325 Guohe Road, Shanghai, 200433, China
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 Daxue Road, Jinan, 250355, China
| | - Tianshuang Xia
- Department of Pharmacognosy, School of Pharmacy, Naval Medical University, 325 Guohe Road, Shanghai, 200433, China
| | - Shiyao Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 Daxue Road, Jinan, 250355, China
| | - Jiabao Zhang
- Department of Pharmacognosy, School of Pharmacy, Naval Medical University, 325 Guohe Road, Shanghai, 200433, China
| | - Lingchuan Xu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 Daxue Road, Jinan, 250355, China.
| | - Ting Han
- Department of Pharmacognosy, School of Pharmacy, Naval Medical University, 325 Guohe Road, Shanghai, 200433, China.
| | - Hailiang Xin
- Department of Pharmacognosy, School of Pharmacy, Naval Medical University, 325 Guohe Road, Shanghai, 200433, China.
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Oxidative and Antioxidative Status Expressed as OSI Index and GSH/GSSG Ratio in Children with Bone Tumors after Anticancer Therapy Completion. J Clin Med 2022; 11:jcm11061663. [PMID: 35329989 PMCID: PMC8955670 DOI: 10.3390/jcm11061663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 03/14/2022] [Indexed: 02/06/2023] Open
Abstract
Aims. There are no data on the redox status of children with bone tumors in complete disease remission. Therefore, the presented study examined the reduced/oxidized glutathione (GSH/GSSG) ratio, total oxidant capacity (TOC) and total antioxidant capacity (TAC) values as well as the oxidative stress index (OSI) for assessing alterations in the oxidant/antioxidant balance in 35 children with osteosarcoma or Ewing’s sarcoma after anticancer therapy completion (median 14 months) compared with a control group. Methods. GSH, GSSG, TOC, TAC concentrations and bone alkaline phosphatase (BALP) activity were evaluated by immunoenzymatic (ELISA) and enzymatic methods. Results. We found no differences in serum BALP activity between all survivors with bone tumors and the control group. Patients with osteosarcoma after anticancer therapy completion had significantly higher values of TAC, GSH and the GSH/GSSG ratio as well as GSSG than healthy subjects. In patients with Ewing’s sarcoma, we found significantly higher values of TOC concentration compared with healthy children. In addition, survivors with Ewing’s sarcoma had higher TOC concentrations and OSI index values (p < 0.01), but a lower GSH/GSSG ratio (p < 0.05) than survivors with osteosarcoma. A positive correlation between TOC and the post-therapy period was observed in survivors. Conclusions. We found that in survivors with bone tumors, a disturbed balance between prooxidants and antioxidants persists after the completion of anticancer treatment. Moreover, an increased TOC value together with the post-therapy period may suggest increasing oxidative processes in survivors with bone tumors after treatment. Further observations will allow assessment of the relationship between the oxidant/antioxidant status and the predisposition of survivors to bone neoplastic disease recurrence.
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Kumar K, Datta K, Fornace AJ, Suman S. Total body proton and heavy-ion irradiation causes cellular senescence and promotes pro-osteoclastogenic activity in mouse bone marrow. Heliyon 2022; 8:e08691. [PMID: 35028468 PMCID: PMC8741516 DOI: 10.1016/j.heliyon.2021.e08691] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/01/2021] [Accepted: 12/27/2021] [Indexed: 12/12/2022] Open
Abstract
Low-LET photon radiation-induced persistent alterations in bone marrow (BM) cells are well documented in total-body irradiated (TBI) rodents and also among radiotherapy patients. However, the late effects of protons and high-LET heavy-ion radiation on BM cells and its implications in osteoclastogenesis are not fully understood. Therefore, C57BL6/J female mice (8 weeks; n = 10/group) were irradiated to sham, and 1 Gy of the proton (0.22 keV/μm), or high-LET 56Fe-ions (148 keV/μm) and at 60 d post-exposure, mice were sacrificed and femur sections were obtained for histological, cellular and molecular analysis. Cell proliferation (PCNA), cell death (active caspase-3), senescence (p16), osteoclast (RANK), osteoblast (OPG), osteoblast progenitor (c-Kit), and osteoclastogenesis-associated secretory factors (like RANKL) were assessed using immunostaining. While no change in cell proliferation and apoptosis between control and irradiated groups was noted, the number of BM megakaryocytes was significantly reduced in irradiated mice at 60 d post-exposure. A remarkable increase in p16 positive cells indicated a persistent increase in cell senescence, whereas increased RANKL/OPG ratio, reductions in the number of osteoblast progenitor cells, and osteocalcin provided clear evidence that exposure to both proton and 56Fe-ions promotes pro-osteoclastogenic activity in BM. Among irradiated groups, 56Fe-induced alterations in the BM cellularity and osteoclastogenesis were significantly greater than the protons that demonstrated a radiation quality-dependent effect. This study has implications in understanding the role of IR-induced late changes in the BM cells and its involvement in bone degeneration among deep-space astronauts, and also in patients undergoing proton or heavy-ion radiotherapy.
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Affiliation(s)
- Kamendra Kumar
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Kamal Datta
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Albert J. Fornace
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Biology, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Shubhankar Suman
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
- Corresponding author.
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Han J, Yang K, An J, Jiang N, Fu S, Tang X. The Role of NRF2 in Bone Metabolism - Friend or Foe? Front Endocrinol (Lausanne) 2022; 13:813057. [PMID: 35282459 PMCID: PMC8906930 DOI: 10.3389/fendo.2022.813057] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/05/2022] [Indexed: 12/14/2022] Open
Abstract
Bone metabolism is closely related to oxidative stress. As one of the core regulatory factors of oxidative stress, NRF2 itself and its regulation of oxidative stress are both involved in bone metabolism. NRF2 plays an important and controversial role in the regulation of bone homeostasis in osteoblasts, osteoclasts and other bone cells. The role of NRF2 in bone is complex and affected by several factors, such as its expression levels, age, sex, the presence of various physiological and pathological conditions, as well as its interaction with certains transcription factors that maintain the normal physiological function of the bone tissue. The properties of NRF2 agonists have protective effects on the survival of osteogenic cells, including osteoblasts, osteocytes and stem cells. Activation of NRF2 directly inhibits osteoclast differentiation by resisting oxidative stress. The effects of NRF2 inhibition and hyperactivation on animal skeleton are still controversial, the majority of the studies suggest that the presence of NRF2 is indispensable for the acquisition and maintenance of bone mass, as well as the protection of bone mass under various stress conditions. More studies show that hyperactivation of NRF2 may cause damage to bone formation, while moderate activation of NRF2 promotes increased bone mass. In addition, the effects of NRF2 on the bone phenotype are characterized by sexual dimorphism. The efficacy of NRF2-activated drugs for bone protection and maintenance has been verified in a large number of in vivo and in vitro studies. Additional research on the role of NRF2 in bone metabolism will provide novel targets for the etiology and treatment of osteoporosis.
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Affiliation(s)
- Jie Han
- The First Clinical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Kuan Yang
- The First Clinical College of Lanzhou University, Lanzhou, China
| | - Jinyang An
- The First Clinical College of Lanzhou University, Lanzhou, China
| | - Na Jiang
- The First Clinical College of Lanzhou University, Lanzhou, China
| | - Songbo Fu
- The First Clinical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xulei Tang
- The First Clinical College of Lanzhou University, Lanzhou, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, China
- *Correspondence: Xulei Tang,
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20
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Zhou X, Yuan W, Xiong X, Zhang Z, Liu J, Zheng Y, Wang J, Liu J. HO-1 in Bone Biology: Potential Therapeutic Strategies for Osteoporosis. Front Cell Dev Biol 2021; 9:791585. [PMID: 34917622 PMCID: PMC8669958 DOI: 10.3389/fcell.2021.791585] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/12/2021] [Indexed: 02/05/2023] Open
Abstract
Osteoporosis is a prevalent bone disorder characterized by bone mass reduction and deterioration of bone microarchitecture leading to bone fragility and fracture risk. In recent decades, knowledge regarding the etiological mechanisms emphasizes that inflammation, oxidative stress and senescence of bone cells contribute to the development of osteoporosis. Studies have demonstrated that heme oxygenase 1 (HO-1), an inducible enzyme catalyzing heme degradation, exhibits anti-inflammatory, anti-oxidative stress and anti-apoptosis properties. Emerging evidence has revealed that HO-1 is critical in the maintenance of bone homeostasis, making HO-1 a potential target for osteoporosis treatment. In this Review, we aim to provide an introduction to current knowledge of HO-1 biology and its regulation, focusing specifically on its roles in bone homeostasis and osteoporosis. We also examine the potential of HO-1-based pharmacological therapeutics for osteoporosis and issues faced during clinical translation.
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Affiliation(s)
- Xueman Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Wenxiu Yuan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Xiong
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhenzhen Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Jiaqi Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Yingcheng Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Jun Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jin Liu
- Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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21
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Priddy C, Li J. The role of the Nrf2/Keap1 signaling cascade in mechanobiology and bone health. Bone Rep 2021; 15:101149. [PMID: 34869801 PMCID: PMC8626578 DOI: 10.1016/j.bonr.2021.101149] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/06/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022] Open
Abstract
In conjunction with advancements in modern medicine, bone health is becoming an increasingly prevalent concern among a global population with an ever-growing life expectancy. Countless factors contribute to declining bone strength, and age exacerbates nearly all of them. The detrimental effects of bone loss have a profound impact on quality of life. As such, there is a great need for full exploration of potential therapeutic targets that may provide antiaging benefits and increase the life and strength of bone tissues. The Keap1-Nrf2 pathway is a promising avenue of this research. The cytoprotective and antioxidant functions of this pathway have been shown to mitigate the deleterious effects of oxidative stress on bone tissues, but the exact cellular and molecular mechanisms by which this occurs are not yet fully understood. Presently, refined animal and loading models are allowing exploration into the effect of the Keap1-Nrf2 pathway in a tissue-specific or even cell-specific manner. In addition, Nrf2 activators currently undergoing clinical trials can be utilized to investigate the particular cellular mechanisms at work in this cytoprotective cascade. Although the timing and dosing of treatment with Nrf2 activators need to be further investigated, these activators have great potential to be used clinically to prevent and treat osteoporosis.
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Affiliation(s)
- Carlie Priddy
- Department of Biology, Indiana University – Purdue University Indianapolis, Indianapolis, IN, USA
| | - Jiliang Li
- Department of Biology, Indiana University – Purdue University Indianapolis, Indianapolis, IN, USA
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22
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Qi Y, Chen S, Lu Y, Zhang Z, Wang S, Chen N, Shen M, Chen F, Chen M, Quan Y, Yang L, Xu Y, Su Y, Hu M, Wang J. Grape seed proanthocyanidin extract ameliorates ionizing radiation-induced hematopoietic stem progenitor cell injury by regulating Foxo1 in mice. Free Radic Biol Med 2021; 174:144-156. [PMID: 34389464 DOI: 10.1016/j.freeradbiomed.2021.08.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 07/27/2021] [Accepted: 08/10/2021] [Indexed: 12/16/2022]
Abstract
Ionizing radiation (IR)-induced excessive reactive oxygen species (ROS) is an important contributor of the injury of hematopoietic system. Grape seed proanthocyanidin extract (GSPE) is a new type of antioxidant, whereas whether it could ameliorate IR-induced hematopoietic injury remains unclear. Here, we show that GSPE treatment improves the survival of irradiated mice and alleviates IR-induced myelosuppression. Meanwhile, the hematopoietic reconstituting ability of hematopoietic stem cells (HSCs) in mice following irradiation exposure is significantly increased after GSPE treatment. Furthermore, GSPE treatment can reduce IR-induced ROS production and relieve DNA damage and apoptosis in hematopoietic stem progenitor cells (HSPCs). Interestingly, we find that a critical antioxidant-associated gene fokhead box transcription factor O1 (Foxo1) is significantly decreased in HSPCs after irradiation. Consistently, hematopoietic specific deletion of Foxo1 increases the radiosensitivity of mice. Further investigations reveal that GSPE treatment specifically upregulates the expression of Foxo1, as well as its target genes superoxide dismutase 1 (SOD1), superoxide dismutase 2 (SOD2) and catalase (CAT). Importantly, Foxo1 deficiency largely abolishes the radioprotection of GSPE on HSPCs. Collectively, our data demonstrate that GSPE plays an important role in ameliorating IR-induced HSPC injury via the Foxo1-mediated pathway. Therefore, GSPE may be used as a promising radioprotective agent.
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Affiliation(s)
- Yan Qi
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Shilei Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yukai Lu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Zihao Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Song Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Naicheng Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Mingqiang Shen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Fang Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Mo Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yong Quan
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Lijing Yang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yang Xu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yongping Su
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Mengjia Hu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Junping Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
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23
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Kubo Y, Drescher W, Fragoulis A, Tohidnezhad M, Jahr H, Gatz M, Driessen A, Eschweiler J, Tingart M, Wruck CJ, Pufe T. Adverse Effects of Oxidative Stress on Bone and Vasculature in Corticosteroid-Associated Osteonecrosis: Potential Role of Nuclear Factor Erythroid 2-Related Factor 2 in Cytoprotection. Antioxid Redox Signal 2021; 35:357-376. [PMID: 33678001 DOI: 10.1089/ars.2020.8163] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Osteonecrosis (ON) is characterized by bone tissue death due to disturbance of the nutrient artery. The detailed process leading to the necrotic changes has not been fully elucidated. Clinically, high-dose corticosteroid therapy is one of the main culprits behind osteonecrosis of the femoral head (ONFH). Recent Advances: Numerous studies have proposed that such ischemia concerns various intravascular mechanisms. Of all reported risk factors, the involvement of oxidative stress in the irreversible damage suffered by bone-related and vascular endothelial cells during ischemia simply cannot be overlooked. Several articles also have sought to elucidate oxidative stress in relation to ON using animal models or in vitro cell cultures. Critical Issues: However, as far as we know, antioxidant monotherapy has still not succeeded in preventing ONFH in humans. To provide this desideratum, we herein summarize the current knowledge about the influence of oxidative stress on ON, together with data about the preventive effects of administering antioxidants in corticosteroid-induced ON animal models. Moreover, oxidative stress is counteracted by nuclear factor erythroid 2-related factor 2 (Nrf2)-dependent cytoprotective network through regulating antioxidant expressions. Therefore, we also describe Nrf2 regulation and highlight its role in the pathology of ON. Future Directions: This is a review of all available literature to date aimed at developing a deeper understanding of the pathological mechanism behind ON from the perspective of oxidative stress. It may be hoped that this synthesis will spark the development of a prophylactic strategy to benefit corticosteroid-associated ONFH patients. Antioxid. Redox Signal. 35, 357-376.
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Affiliation(s)
- Yusuke Kubo
- Department of Anatomy and Cell Biology, RWTH Aachen University, Aachen, Germany
| | - Wolf Drescher
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany.,Department of Orthopaedics and Traumatology, Rummelsberg Hospital, Schwarzenbruck, Germany
| | | | | | - Holger Jahr
- Department of Anatomy and Cell Biology, RWTH Aachen University, Aachen, Germany
| | - Matthias Gatz
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Arne Driessen
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Jörg Eschweiler
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Markus Tingart
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Christoph Jan Wruck
- Department of Anatomy and Cell Biology, RWTH Aachen University, Aachen, Germany
| | - Thomas Pufe
- Department of Anatomy and Cell Biology, RWTH Aachen University, Aachen, Germany
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24
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Wagle S, Sim HJ, Bhattarai G, Choi KC, Kook SH, Lee JC, Jeon YM. Supplemental Ferulic Acid Inhibits Total Body Irradiation-Mediated Bone Marrow Damage, Bone Mass Loss, Stem Cell Senescence, and Hematopoietic Defect in Mice by Enhancing Antioxidant Defense Systems. Antioxidants (Basel) 2021; 10:antiox10081209. [PMID: 34439457 PMCID: PMC8388974 DOI: 10.3390/antiox10081209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/24/2021] [Accepted: 07/25/2021] [Indexed: 12/14/2022] Open
Abstract
While total body irradiation (TBI) is an everlasting curative therapy, the irradiation can cause long-term bone marrow (BM) injuries, along with senescence of hematopoietic stem cells (HSCs) and mesenchymal stem cells (MSCs) via reactive oxygen species (ROS)-induced oxidative damages. Thus, ameliorating or preventing ROS accumulation and oxidative stress is necessary for TBI-requiring clinical treatments. Here, we explored whether administration of ferulic acid, a dietary antioxidant, protects against TBI-mediated systemic damages, and examined the possible mechanisms therein. Sublethal TBI (5 Gy) decreased body growth, lifespan, and production of circulating blood cells in mice, together with ROS accumulation, and senescence induction of BM-conserved HSCs and MSCs. TBI also impaired BM microenvironment and bone mass accrual, which was accompanied by downregulated osteogenesis and by osteoclastogenic and adipogenic activation in BM. Long-term intraperitoneal injection of ferulic acid (50 mg/kg body weight, once per day for 37 consecutive days) protected mice from TBI-mediated mortality, stem cell senescence, and bone mass loss by restoring TBI-stimulated disorders in osteogenic, osteoclastic, and adipogenic activation in BM. In vitro experiments using BM stromal cells supported radioprotective effects of ferulic acid on TBI-mediated defects in proliferation and osteogenic differentiation. Overall, treatment with ferulic acid prevented TBI-mediated liver damage and enhanced endogenous antioxidant defense systems in the liver and BM. Collectively, these results support an efficient protection of TBI-mediated systemic defects by supplemental ferulic acid, indicating its clinical usefulness for TBI-required patients.
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Affiliation(s)
- Sajeev Wagle
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
| | - Hyun-Jaung Sim
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
- Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Jeonbuk National University, Jeonju 54896, Korea
| | - Govinda Bhattarai
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
| | - Ki-Choon Choi
- Grassland and Forages Research Center, National Institute of Animal Science, Cheonan 31002, Korea;
| | - Sung-Ho Kook
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
- Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (S.-H.K.); (J.-C.L.); (Y.-M.J.); Tel.: +82-63-270-3327 (S.-H.K.); +82-63-270-4049 (J.-C.L.); +82-63-250-2130 (Y.-M.J.); Fax: +82-63-270-4312 (S.-H.K.); +82-63-270-4004 (J.-C.L.); +82-63-270-4312 (Y.-M.J.)
| | - Jeong-Chae Lee
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
- Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (S.-H.K.); (J.-C.L.); (Y.-M.J.); Tel.: +82-63-270-3327 (S.-H.K.); +82-63-270-4049 (J.-C.L.); +82-63-250-2130 (Y.-M.J.); Fax: +82-63-270-4312 (S.-H.K.); +82-63-270-4004 (J.-C.L.); +82-63-270-4312 (Y.-M.J.)
| | - Young-Mi Jeon
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Bioscience, Jeonbuk National University School of Dentistry, Jeonju 54896, Korea; (S.W.); (H.-J.S.); (G.B.)
- Correspondence: (S.-H.K.); (J.-C.L.); (Y.-M.J.); Tel.: +82-63-270-3327 (S.-H.K.); +82-63-270-4049 (J.-C.L.); +82-63-250-2130 (Y.-M.J.); Fax: +82-63-270-4312 (S.-H.K.); +82-63-270-4004 (J.-C.L.); +82-63-270-4312 (Y.-M.J.)
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25
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Xi X, Zhao Y, Liu H, Li Z, Chen S, Liu D. Nrf2 activation is involved in osteogenic differentiation of periodontal ligament stem cells under cyclic mechanical stretch. Exp Cell Res 2021; 403:112598. [PMID: 33865812 DOI: 10.1016/j.yexcr.2021.112598] [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: 02/22/2021] [Revised: 03/30/2021] [Accepted: 04/04/2021] [Indexed: 12/28/2022]
Abstract
During orthodontic treatment, mechanical stretch serves a crucial function in osteogenic differentiation of periodontal ligament stem cells (PDLSCs). Up-regulated reactive oxygen species (ROS) level is a result of cyclic mechanical stretch in many cell types. Nuclear factor erythroid-2-related factor-2 (Nrf2) is a master regulator in various antioxidants expression. However, it is not known whether cyclic mechanical stretch could induce the ROS generation in PDLSCs and whether Nrf2 participated in this process. The present study was aimed to investigate the role of Nrf2 in PDLSCs under cyclic mechanical stretch. Our results showed that cyclic mechanical stretch increased ROS level and the nuclear accumulation of Nrf2 during osteoblast differentiation. Knocking down Nrf2 by siRNA transfection increased ROS formation and suppressed osteogenic differentiation in PDLSCs. T-BHQ, a Nrf2 activator, promoted the osteogenic differentiation in PDLSCs under cyclic mechanical stretch, and improved the microstructure of alveolar bone during orthodontic tooth movement in rats by employing micro-CT system. Taken together, Nrf2 activation was involved in osteogenic differentiation under cyclic mechanical stretch in PDLSCs. T-BHQ could promote the osteogenic differentiation in vitro and in vivo, suggesting a promising option for the remodeling of the alveolar bone during orthodontic tooth movement.
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Affiliation(s)
- Xun Xi
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China
| | - Yi Zhao
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China
| | - Hong Liu
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China
| | - Zixuan Li
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China
| | - Shuai Chen
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China
| | - Dongxu Liu
- School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, China; Shandong Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China.
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26
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Su X, Guo W, Yuan B, Wang D, Liu L, Wu X, Zhang Y, Kong X, Lin N. Artesunate attenuates bone erosion in rheumatoid arthritis by suppressing reactive oxygen species via activating p62/Nrf2 signaling. Biomed Pharmacother 2021; 137:111382. [PMID: 33761603 DOI: 10.1016/j.biopha.2021.111382] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/04/2021] [Accepted: 02/08/2021] [Indexed: 12/19/2022] Open
Abstract
Accumulating studies have indicated that reactive oxygen species (ROS) may be implicated into the destructive pathological events of rheumatoid arthritis (RA). As an effective antioxidant, artesunate (ARS) was reported to exert antiarthritic effects. However, whether ARS attenuates the bone erosion during RA progression by regulating ROS production remains to be defined. To address this problem, the inhibitive effects of ARS on osteoclastogenesis were observed in vitro. Mechanically, ARS significantly inhibited the NFATc1 signaling accompanied by markedly suppressing ROS production, which was abnormally enhanced during the pathological process of bone erosion. In addition, ARS may function as a potent ROS scavenger and significantly elevate the expression of HO-1 and NQO1 by activating Nrf2. Moreover, p62 accumulation induced by ARS was responsible for the activation of Nrf2, while the knockdown of p62 in osteoclast precursor cells diminished the suppressive effect of ARS on ROS production during osteoclastogenesis. Consistently, we also demonstrated that ARS effectively suppressed ROS production, leading to the inhibition of arthritic bone destruction by activating antioxidant enzyme and Nrf2/p62 signaling in the knee and ankle tissues of CIA rats. Collectively, our data offer the convincing evidence that ARS may inhibit osteoclastogenesis and ameliorate arthritic bone erosion through suppressing the generation of ROS via activating the p62/Nrf2 signaling.
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Affiliation(s)
- Xiaohui Su
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Wanyi Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; International Institute for Translational Research of Traditional Chinese Medicine of Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Bei Yuan
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Dong Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Liling Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Xuan Wu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yanqiong Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Xiangying Kong
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Na Lin
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
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27
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Guo J, Ren R, Sun K, He J, Shao J. PERK signaling pathway in bone metabolism: Friend or foe? Cell Prolif 2021; 54:e13011. [PMID: 33615575 PMCID: PMC8016635 DOI: 10.1111/cpr.13011] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 01/18/2021] [Accepted: 02/05/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoblasts and osteoclasts participate in the process of bone remodelling to meet the needs of normal growth and development or repair pathological damage. Endoplasmic reticulum stress (ER stress) can break the intracellular homeostasis of osteoclasts and osteoblasts, which is closely related to abnormal bone remodelling. The double‐stranded RNA‐dependent protein kinase (PKR)‐like ER kinase (PERK) is a key transmembrane protein that regulates ER stress, and growing evidence suggests that the PERK pathway plays a crucial role in regulating bone metabolism under both physiological and pathological conditions. Based on the current findings, we summarized the main mechanisms involved in bone metabolism downstream of the PERK pathway, among which elF2α, FOXO1, CaN, Nrf2 and DAG play a role in regulating the differentiation of osteoblasts and osteoclasts. Importantly, strategies by the regulation of PERK pathway exert beneficial effects in preclinical trials of several bone‐related diseases. Given the importance and novelty of PERK pathway, we provide an overview and discuss the roles of PERK pathway in regulating bone metabolism and its impact on bone‐related diseases. We hope that the development of research in this field will bring a bright future for the treatment of bone‐related diseases.
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Affiliation(s)
- Jiachao Guo
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ranyue Ren
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Sun
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinpeng He
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingfan Shao
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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28
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Hashem KS, Abdelazem AZ, Mohammed MA, Nagi AM, Aboulhoda BE, Mohammed ET, Abdel-Daim MM. Thymoquinone alleviates mitochondrial viability and apoptosis in diclofenac-induced acute kidney injury (AKI) via regulating Mfn2 and miR-34a mRNA expressions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10100-10113. [PMID: 33165700 DOI: 10.1007/s11356-020-11313-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 10/18/2020] [Indexed: 06/11/2023]
Abstract
The current study was prepared to assess the underlying mechanism of diclofenac (Diclo)-stimulated renal oxidative damage (50 mg/kg/day for two consecutive days I.P) and antioxidative, and antiapoptotic effects of Thymoquinone (20 mg/kg/day for 21 days P.O). Exposure of rats to Diclo significantly increased serum urea and creatinine, decreased GSH, catalase, and total antioxidant capacity with a concomitant increase of lipid peroxidation. Diclo significantly decreased renal mitochondrial viability %, increased DNA fragmentation %, caspase 3 activity, and cytochrome C (Cyt C) concentration. Molecular investigations revealed that Diclo administration caused a significant reduction of mitofusin-2 (Mfn2) and increase of microRNA-34a (miR-34a) mRNA expressions with a concomitant decrease of Nrf2 and HO-1 mRNA expressions/protein levels and increase of NF-κB mRNA expressions. Thymoquinone restored renal oxidative/antioxidant redox. Thymoquinone significantly increased the renal mitochondrial viability % and reduced renal DNA fragmentation %, caspase 3 activity, and Cyt C. Moreover, thymoquinone modulated renal Mfn2 and miR-34a as compared to Diclo group. Our findings were confirmed by immunohistochemical assays for detecting the iNOS and NOX4 in renal tissue as well as histopathological investigations. Obtained results demonstrated that thymoquinone possess a potential antioxidant, antiapoptotic defense and exhibited a strong nephroprotective activity against Diclo-induced toxicity.
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Affiliation(s)
- Khalid Shaaban Hashem
- Biochemistry Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Ahmed Zakaria Abdelazem
- Biotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | | | - Amr M Nagi
- Biotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Basma Emad Aboulhoda
- Department of Anatomy and Embryology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Eman T Mohammed
- Biochemistry Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Mohamed M Abdel-Daim
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, 41522, Ismailia, Egypt
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29
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Abd Rabou MA. Effect of Bone Marrow Transplantation on the Fetal Skeleton of Maternally Irradiated Pregnant Rats. Pak J Biol Sci 2021; 24:207-218. [PMID: 33683050 DOI: 10.3923/pjbs.2021.207.218] [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: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Prenatal exposure to ionizing radiation can interfere with embryonic and fetal growth depending on the dose and gestational age. The present study was completed to evaluate the effect of transplanted bone marrow on the fetal skeleton of pregnant rats exposed to gamma radiation. MATERIALS AND METHODS Experimental animals were separated into 5 groups: C group, R7 group, R7+BM group, R14 group and R14+BM group. All pregnant rats were sacrificed on day 20 days of gestation and the skeletal systems of the fetuses were examined and photographed. This study focused on skull, upper and lower jaw, occipital region, sacral and caudal region, fore and hind limbs. RESULTS Gamma rays caused any disturbance in the ossification process of the skull bones, upper and lower jaws, occipital bones, it caused the loss of some ossification centers in metacarpal bones, metatarsal bones but bone marrow transplantation greatly reduced the injury that happened because of γ-radiation. CONCLUSION This study showed that transplantation of bone marrow post-irradiation in pregnant rats could reduce the hazards of gamma-irradiation in the different regions of the fetal skeleton.
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30
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Zorina T, Black L. Mesenchymal–Hematopoietic Stem Cell Axis: Applications for Induction of Hematopoietic Chimerism and Therapies for Malignancies. Stem Cells 2021. [DOI: 10.1007/978-3-030-77052-5_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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31
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Sánchez-de-Diego C, Pedrazza L, Pimenta-Lopes C, Martinez-Martinez A, Dahdah N, Valer JA, Garcia-Roves P, Rosa JL, Ventura F. NRF2 function in osteocytes is required for bone homeostasis and drives osteocytic gene expression. Redox Biol 2020; 40:101845. [PMID: 33373776 PMCID: PMC7773566 DOI: 10.1016/j.redox.2020.101845] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 12/21/2020] [Indexed: 12/17/2022] Open
Abstract
Osteocytes, the most abundant bone cell type, are derived from osteoblasts through a process in which they are embedded in an osteoid. We previously showed that nutrient restriction promotes the osteocyte transcriptional program and is associated with increased mitochondrial biogenesis. Here, we show that increased mitochondrial biogenesis increase reactive oxygen species (ROS) levels and consequently, NRF2 activity during osteocytogenesis. NRF2 activity promotes osteocyte-specific expression of Dmp1, Mepe, and Sost in IDG-SW3 cells, primary osteocytes, and osteoblasts, and in murine models with Nfe2l2 deficiency in osteocytes or osteoblasts. Moreover, ablation of Nfe2l2 in osteocytes or osteoblasts generates osteopenia and increases osteoclast numbers with marked sexual dimorphism. Finally, treatment with dimethyl fumarate prevented the deleterious effects of ovariectomy in trabecular bone masses of mice and restored osteocytic gene expression. Altogether, we uncovered the role of NRF2 activity in osteocytes during the regulation of osteocyte gene expression and maintenance of bone homeostasis. ROS levels and NRF2 activity are increased during osteocytogenesis. NRF2 drives osteocyte specification and activate the transcription of osteocyte-specific genes. NRF2 in osteocytes has a fundamental role in bone homeostasis and its deletion induces osteopenia. Activation of NRF2 with dimethyl fumarate prevents osteopenia induced by ovariectomy.
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Affiliation(s)
- Cristina Sánchez-de-Diego
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Leonardo Pedrazza
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Carolina Pimenta-Lopes
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Arturo Martinez-Martinez
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Norma Dahdah
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - José Antonio Valer
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Pablo Garcia-Roves
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Jose Luis Rosa
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain
| | - Francesc Ventura
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, L'Hospitalet de Llobregat, Spain.
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32
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Zorina TD. New Insights on the Role of the Mesenchymal-Hematopoietic Stem Cell Axis in Autologous and Allogeneic Hematopoiesis. Stem Cells Dev 2020; 30:2-16. [PMID: 33231142 DOI: 10.1089/scd.2020.0148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Cytoreductive protocols are integral both as conditioning regimens for bone marrow (BM) transplantation and as part of therapies for malignancies, but their associated comorbidities represent a long-standing clinical problem. In particular, they cause myeloablation that debilitates the physiological role of mesenchymal stem and precursor cells (MSPCs) in sustaining hematopoiesis. This review addresses the damaging impact of cytoreductive regimens on MSPCs. In addition, it discusses prospects for alleviating the resulting iatrogenic comorbidities. New insights into the structural and functional dynamics of hematopoietic stem cell (HSC) niches reveal the existence of "empty" niches and the ability of the donor-derived healthy HSCs to outcompete the defective HSCs in occupying these niches. These findings support the notion that conditioning regimens, conventionally used to ablate the recipient hematopoiesis to create space for engraftment of the donor-derived HSCs, may not be a necessity for allogeneic BM transplantation. In addition, the capacity of the MSPCs to cross-talk with HSCs, despite major histocompatibility complex disparity, and suppress graft versus host disease indicates the possibility for development of a conditioning-free, MSPCs-enhanced protocol for BM transplantation. The clinical advantage of supplementing cytoreductive protocols with MSPCs to improve autologous hematopoiesis reconstitution and alleviate cytopenia associated with chemo and radiation therapies for cancer is also discussed.
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Affiliation(s)
- Tatiana D Zorina
- Department of Medical Laboratory Science and Biotechnology, Jefferson College of Health Professions, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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33
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Park PSU, Mun SH, Zeng SL, Kim H, Bae S, Park-Min KH. NRF2 Is an Upstream Regulator of MYC-Mediated Osteoclastogenesis and Pathological Bone Erosion. Cells 2020; 9:E2133. [PMID: 32967239 PMCID: PMC7564846 DOI: 10.3390/cells9092133] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/07/2020] [Accepted: 09/17/2020] [Indexed: 12/30/2022] Open
Abstract
Osteoclasts are the sole bone-resorbing cells that play an essential role in homeostatic bone remodeling and pathogenic bone destruction such as inflammatory arthritis. Pharmacologically targeting osteoclasts has been a promising approach to alleviating bone disease, but there remains room for improvement in mitigating drug side effects and enhancing cell specificity. Recently, we demonstrated the crucial role of MYC and its downstream effectors in driving osteoclast differentiation. Despite these advances, upstream regulators of MYC have not been well defined. In this study, we identify nuclear factor erythroid 2-related factor 2 (NRF2), a transcription factor known to regulate the expression of phase II antioxidant enzymes, as a novel upstream regulator of MYC. NRF2 negatively regulates receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis through the ERK and p38 signaling-mediated suppression of MYC transcription. Furthermore, the ablation of MYC in osteoclasts reverses the enhanced osteoclast differentiation and activity in NRF2 deficiency in vivo and in vitro in addition to protecting NRF2-deficient mice from pathological bone loss in a murine model of inflammatory arthritis. Our findings indicate that this novel NRF2-MYC axis could be instrumental for the fine-tuning of osteoclast formation and provides additional ways in which osteoclasts could be therapeutically targeted to prevent pathological bone erosion.
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Affiliation(s)
- Peter Sang Uk Park
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Se Hwan Mun
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Steven L. Zeng
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
| | - Haemin Kim
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
| | - Seyeon Bae
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
| | - Kyung-Hyun Park-Min
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA; (P.S.U.P.); (S.H.M.); (S.L.Z.); (H.K.)
- Department of Medicine, Weill Cornell Medical College, New York, NY 10021, USA
- BCMB Allied Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10021, USA
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34
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Pathogenic Mechanisms of Myeloma Bone Disease and Possible Roles for NRF2. Int J Mol Sci 2020; 21:ijms21186723. [PMID: 32937821 PMCID: PMC7555756 DOI: 10.3390/ijms21186723] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/07/2020] [Accepted: 09/12/2020] [Indexed: 12/14/2022] Open
Abstract
Osteolytic bone lesions are one of the central features of multiple myeloma (MM) and lead to bone pain, fractures, decreased quality of life, and decreased survival. Dysfunction of the osteoclast (OC)/osteoblast (OB) axis plays a key role in the development of myeloma-associated osteolytic lesions. Many signaling pathways and factors are associated with myeloma bone diseases (MBDs), including the RANKL/OPG and NF-κB pathways. NRF2, a master regulator of inflammatory signaling, might play a role in the regulation of bone metabolism via anti-inflammatory signaling and decreased reactive oxygen species (ROS) levels. The loss of NRF2 expression in OCs reduced bone mass via the RANK/RANKL pathway and other downstream signaling pathways that affect osteoclastogenesis. The NRF2 level in OBs could interfere with interleukin (IL)-6 expression, which is associated with bone metabolism and myeloma cells. In addition to direct impact on OCs and OBs, the activity of NRF2 on myeloma cells and mesenchymal stromal cells influences the inflammatory stress/ROS level in these cells, which has an impact on OCs, OBs, and osteocytes. The interaction between these cells and OCs affects the osteoclastogenesis of myeloma bone lesions associated with NRF2. Therefore, we have reviewed the effects of NRF2 on OCs and OBs in MBDs.
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35
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Park C, Lee H, Han MH, Jeong JW, Kim SO, Jeong SJ, Lee BJ, Kim GY, Park EK, Jeon YJ, Choi YH. Cytoprotective effects of fermented oyster extracts against oxidative stress-induced DNA damage and apoptosis through activation of the Nrf2/HO-1 signaling pathway in MC3T3-E1 osteoblasts. EXCLI JOURNAL 2020; 19:1102-1119. [PMID: 33013267 PMCID: PMC7527492 DOI: 10.17179/excli2020-2376] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/29/2020] [Indexed: 12/11/2022]
Abstract
Osteoblast damage by oxidative stress has been recognized as a cause of bone-related disease, including osteoporosis. Recently, we reported that fermented Pacific oyster (Crassostrea gigas) extracts (FO) inhibited osteoclastogenesis and osteoporosis, while promoting osteogenesis. However, since the beneficial potential of FO on osteoblasts is not well known, in the present study, we investigated the cytoprotective effect of FO against oxidative stress in MC3T3-E1 osteoblasts. Our results demonstrated that FO inhibited hydrogen peroxide (H2O2)-induced DNA damage and cytotoxicity through the rescue of mitochondrial function by blocking abnormal ROS accumulation. FO also prevented apoptosis by suppressing loss of mitochondrial membrane potential and cytosolic release of cytochrome c, decreasing the rate of Bax/Bcl-2 expression and reducing the activity of caspase-9 and caspase-3 in H2O2-stimulated MC3T3-E1 osteoblasts, suggesting that FO protected MC3T3-E1 osteoblasts from the induction of caspase dependent- and mitochondria-mediated apoptosis by oxidative stress. In addition, FO markedly promoted the activation of nuclear factor-erythroid-2-related factor 2 (Nrf2), which was associated with the enhanced expression of heme oxygenase-1 (HO-1). However, inhibiting the expression of HO-1 by artificially blocking the expression of Nrf2 using siRNA significantly eliminated the protective effect of FO, indicating that FO activates the Nrf2/HO-1 signaling pathway in MC3T3-E1 osteoblasts to protect against oxidative stress. Based on the present data, FO is thought to be useful as a potential therapeutic agent for the inhibition of oxidative stress in osteoblasts.
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Affiliation(s)
- Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong?eui University, Busan, Republic of Korea
| | - Hyesook Lee
- Anti-Aging Research Center, Dong-eui University, Busan, Republic of Korea
- Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Republic of Korea
| | - Min Ho Han
- National Marine Biodiversity Institute of Korea, Seocheon, Republic of Korea
| | - Jin-Woo Jeong
- Freshwater Bioresources Utilization Bureau, Nakdonggang National Institute of Biological Resources, Sangju, Republic of Korea
| | - Sung Ok Kim
- Department of Food Science and Biotechnology, College of Engineering, Kyungsung University, Busan, Republic of Korea
| | - Soon-Jeong Jeong
- Department of Dental Hygiene, College of Health Science, Youngsan University, Yangsan, Republic of Korea
| | - Bae-Jin Lee
- Ocean Fisheries & Biology Center, Marine Bioprocess Co., Ltd., Busan, Republic of Korea
| | - Gi-Young Kim
- Department of Marine Life Science, Jeju National University, Jeju, Republic of Korea
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju, Republic of Korea
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University, Busan, Republic of Korea
- Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Republic of Korea
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36
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Li X, Chen Y, Mao Y, Dai P, Sun X, Zhang X, Cheng H, Wang Y, Banda I, Wu G, Ma J, Huang S, Forouzanfar T. Curcumin Protects Osteoblasts From Oxidative Stress-Induced Dysfunction via GSK3β-Nrf2 Signaling Pathway. Front Bioeng Biotechnol 2020; 8:625. [PMID: 32612986 PMCID: PMC7308455 DOI: 10.3389/fbioe.2020.00625] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 05/21/2020] [Indexed: 12/14/2022] Open
Abstract
Osteoblasts dysfunction, induced by oxidative stress (OS), is one of major pathological mechanisms for osteoporosis. Curcumin (Cur), a bioactive antioxidant compound, isolated from Curcumin longa L, was regarded as a strong reactive oxygen species (ROS) scavenger. However, it remains unveiled whether Cur can prevent osteoblasts from OS-induced dysfunction. To approach this question, we adopted a well-established OS model to investigate the preventive effect of Cur on osteoblasts dysfunction by measuring intracellular ROS production, cell viability, apoptosis rate and osteoblastogenesis markers. We showed that the pretreatment of Cur could significantly antagonize OS so as to suppress endogenous ROS production, maintain osteoblasts viability and promote osteoblastogenesis. Inhibiting Glycogen synthase kinase (GSK3β) and activating nuclear factor erythroid 2 related factor 2 (Nrf2) could significantly antagonize the destructive effects of OS, which indicated the critical role of GSK3β-Nrf2 signaling. Furthermore, Cur also abolished the suppressive effects of OS on GSK3β-Nrf2 signaling pathway. Our findings demonstrated that Cur could protect osteoblasts against OS-induced dysfunction via GSK3β-Nrf2 signaling and provide a promising way for osteoporosis treatment.
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Affiliation(s)
- Xumin Li
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam, MOVE Research Institute, University of Amsterdam and Vrije University Amsterdam, Amsterdam, Netherlands.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Department of Oral and Maxillofacial Surgary/Pathology, Amsterdam UMC and Academic Centre for Dentistry Amsterdam, Amsterdam Movement Science, Vrije Universitetit Amsterdam, Amsterdam, Netherlands
| | - Yang Chen
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yixin Mao
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Laboratory for Myology, Amsterdam Movement Sciences, Faculty of Behavioral and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Panpan Dai
- Department of Stomatology, Taizhou Hospital, Wenzhou Medical University, Linhai, China
| | - Xiaoyu Sun
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam, MOVE Research Institute, University of Amsterdam and Vrije University Amsterdam, Amsterdam, Netherlands.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Department of Periodontology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Xiaorong Zhang
- Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Department of Endodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Haoran Cheng
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yingting Wang
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Isaac Banda
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Gang Wu
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam, MOVE Research Institute, University of Amsterdam and Vrije University Amsterdam, Amsterdam, Netherlands
| | - Jianfeng Ma
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Shengbin Huang
- Department of Prosthodontics, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam, MOVE Research Institute, University of Amsterdam and Vrije University Amsterdam, Amsterdam, Netherlands.,Institute of Stomatology, School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Tim Forouzanfar
- Department of Oral and Maxillofacial Surgary/Pathology, Amsterdam UMC and Academic Centre for Dentistry Amsterdam, Amsterdam Movement Science, Vrije Universitetit Amsterdam, Amsterdam, Netherlands
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Farris MK, Helis CA, Hughes RT, LeCompte MC, Borg AM, Nieto K, Munley MT, Willey JS. Bench to Bedside: Animal Models of Radiation Induced Musculoskeletal Toxicity. Cancers (Basel) 2020; 12:cancers12020427. [PMID: 32059447 PMCID: PMC7073177 DOI: 10.3390/cancers12020427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/04/2020] [Accepted: 02/05/2020] [Indexed: 12/29/2022] Open
Abstract
Ionizing radiation is a critical aspect of current cancer therapy. While classically mature bone was thought to be relatively radio-resistant, more recent data have shown this to not be the case. Radiation therapy (RT)-induced bone loss leading to fracture is a source of substantial morbidity. The mechanisms of RT likely involve multiple pathways, including changes in angiogenesis and bone vasculature, osteoblast damage/suppression, and increased osteoclast activity. The majority of bone loss appears to occur rapidly after exposure to ionizing RT, with significant changes in cortical thickness being detectable on computed tomography (CT) within three to four months. Additionally, there is a dose–response relationship. Cortical thinning is especially notable in areas of bone that receive >40 gray (Gy). Methods to mitigate toxicity due to RT-induced bone loss is an area of active investigation. There is an accruing clinical trial investigating the use of risderonate, a bisphosphonate, to prevent rib bone loss in patients undergoing lung stereotactic body radiation therapy (SBRT). Additionally, several other promising therapeutic/preventative approaches are being explored in preclinical studies, including parathyroid hormone (PTH), amifostine, and mechanical loading of irradiated bones.
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38
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Black L, Zorina T. Cell-based immunomodulatory therapy approaches for type 1 diabetes mellitus. Drug Discov Today 2020; 25:380-391. [DOI: 10.1016/j.drudis.2019.11.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/11/2019] [Accepted: 11/30/2019] [Indexed: 12/14/2022]
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39
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Curculigoside Protects against Excess-Iron-Induced Bone Loss by Attenuating Akt-FoxO1-Dependent Oxidative Damage to Mice and Osteoblastic MC3T3-E1 Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9281481. [PMID: 31949885 PMCID: PMC6948300 DOI: 10.1155/2019/9281481] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/29/2019] [Accepted: 11/06/2019] [Indexed: 02/04/2023]
Abstract
Summary The present investigation found that curculigoside (CUR) can prevent excess-iron-induced bone loss in mice and cells through antioxidation and inhibiting excess-iron-induced phosphorylation of the Akt-FoxO1 pathway. CUR can attenuate the decreasing of cell viability, enhance autophagy, potentiate the antioxidant effect, and reduce apoptosis in MC3T3-E1 cells treated with excess iron through regulating the expression of FoxO1 target gene. Introduction Oxidative stress induced by iron overload is an important factor involved in primary osteoporosis disease and iron overload-related diseases. Curculigoside (CUR), a phenolic glycoside found abundantly in Curculigo orchioides Gaertn., has been demonstrated to possess antioxidant and antiosteoporotic properties. The aim of the present study is to explore the underlying molecular mechanism of CUR on excess-iron-induced bone loss in mice and osteoblastic MC3T3-E1 cells. Methods An iron-overload mice model was used to study the protective effects of CUR on bone loss induced by oxidative stress. Serum bone metabolism markers and antioxidant enzymes were also measured. To explore the antioxidant mechanism of CUR, the MC3T3-E1 osteoblastic cell line was used. Results In vivo studies showed that BMD and microarchitectural parameters were improved after a 3-month administration of CUR. CUR improved the biochemical parameters related to bone metabolism and the expressions of Runx2, OCN, and type 1 collagen and increased the formation of bone-mineralized nodules in vitro. CUR also inhibited ROS generation and increased the activities of antioxidant enzymes both in vivo and in vitro treated with excess iron. CUR can upregulate the level of FoxO1 and Nrf2, downregulate the level of p53 and the phosphorylation level of FoxO1, improve nuclear translocation of FoxO1, probably by inhibiting the IGFR/AKT signaling pathway, then increased cell viability and autophagy, and reduced apoptosis of MC3T3-E1 cells treated with excess iron by regulating the expression of FoxO1 target genes MnSOD, Gadd45a, Bim, FasL, and Rab7. Conclusions These results demonstrated that CUR was able to alleviate bone loss induced by oxidative stress resulting from iron overload, suggesting its potential use for the treatment of primary osteoporosis and bone loss in iron-overload-related diseases.
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Zhai J, He F, Wang J, Chen J, Tong L, Zhu G. Influence of radiation exposure pattern on the bone injury and osteoclastogenesis in a rat model. Int J Mol Med 2019; 44:2265-2275. [PMID: 31638191 PMCID: PMC6844641 DOI: 10.3892/ijmm.2019.4369] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 09/20/2019] [Indexed: 12/24/2022] Open
Abstract
Radiotherapy, one of the clinical treatments of cancer, is accompanied by a high risk of damage to healthy tissues, such as bone loss and increased risk of fractures. The aim of the present study was to establish a rat model of local and systemic bone injury by focal irradiation, in order to study the etiological mechanism and intervention. The proximal metaphyseal region of the left hindlimb of male Sprague-Dawley rats were exposed to a single 2 Gy or three 8 Gy doses delivered on days 1, 3 and 5 using a small animal irradiator, the changes in bone volume and microarchitecture were evaluated, and the mineral apposition rate (MAR) was assessed. Furthermore, bone marrow-derived macrophages (BMMs) were isolated and induced to osteoclasts. It has been demonstrated that a single dose of 2 Gy may result in a significant loss of lumbar bone density at 3 days post-irradiation, however this is restored at 30 days post-irradiation. In the 3x8 Gy irradiation rat model, there was a rapid decrease in the aBMD of lumbar spine at 3 days and at 7 days post-irradiation, and the aBMD decline persisted even at 60 days post-irradiation. In addition, microCT analysis revealed a persistent decline in bone volume and damage in microarchitecture in the 3x8 Gy irradiation model, accompanied by a decrease in MAR, index of the decline in bone-forming ability. In the cellular mechanism, a single 2 Gy local irradiation mainly manifested as an enhancement of the BMMs osteoclastogenesis potential, which was different from the osteoclastogenesis inhibition after high-dose focal irradiation (3x8 Gy). In summary, the irradiation with simulated clinical focal fractionated radiotherapy exerts short- and long-term systemic injury on bone tissue, characterized by different osteoclastogenesis potential between the high dose mode and a single 2 Gy focal irradiation. Physicians must consider the irreversibility of bone damage in clinical radiotherapy.
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Affiliation(s)
- Jianglong Zhai
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Feilong He
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Jianping Wang
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Junxiang Chen
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Ling Tong
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Guoying Zhu
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
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Kubo Y, Wruck CJ, Fragoulis A, Drescher W, Pape HC, Lichte P, Fischer H, Tohidnezhad M, Hildebrand F, Pufe T, Jahr H. Role of Nrf2 in Fracture Healing: Clinical Aspects of Oxidative Stress. Calcif Tissue Int 2019; 105:341-352. [PMID: 31236620 DOI: 10.1007/s00223-019-00576-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 06/18/2019] [Indexed: 12/20/2022]
Abstract
Fracture healing is a natural process that recapitulates embryonic skeletal development. In the early phase after fracture, reactive oxygen species (ROS) are produced under inflammatory and ischemic conditions due to vessel injury and soft tissue damage, leading to cell death. Usually, such damage during the course of fracture healing can be largely prevented by protective mechanisms and functions of antioxidant enzymes. However, intrinsic oxidative stress can cause excessive toxic radicals, resulting in irreversible damage to cells associated with bone repair during the fracture healing process. Clinically, patients with type-2 diabetes mellitus, osteoporosis, habitual drinkers, or heavy smokers are at risk of impaired fracture healing due to elevated oxidative stress. Although increased levels of oxidative stress markers upon fracture and effects of antioxidants on fracture healing have been reported, a detailed understanding of what causes impaired fracture healing under intrinsic conditions of oxidative stress is lacking. Nuclear factor erythroid 2-related factor 2 (Nrf2) has been identified as a key transcriptional regulator of the expression of antioxidants and detoxifying enzymes. It further not only plays a crucial role in preventing degenerative diseases in multiple organs, but also during fracture healing. This narrative review evaluates the influence of intrinsic oxidative stress on fracture healing and sheds new light on the intriguing role of Nrf2 during bone regeneration in pathological fractures.
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Affiliation(s)
- Yusuke Kubo
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany.
| | - Christoph Jan Wruck
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany
| | - Athanassios Fragoulis
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany
| | - Wolf Drescher
- Department of Orthopaedics, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
- Department of Orthopaedic Surgery of the Lower Limb and Arthroplasty, Hospital Rummelsberg, Rummelsberg 71, 90592, Schwarzenbruck, Germany
| | - Hans Christoph Pape
- Department of Trauma Surgery, University Hospital Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - Philipp Lichte
- Department of Orthopaedic Trauma Surgery, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Horst Fischer
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Mersedeh Tohidnezhad
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany
| | - Frank Hildebrand
- Department of Orthopaedic Trauma Surgery, RWTH Aachen University, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Thomas Pufe
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany
| | - Holger Jahr
- Department of Anatomy and Cell Biology, RWTH Aachen University, Wendlingweg 2, 52074, Aachen, Germany
- Department of Orthopaedic Surgery, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands
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Francisqueti-Ferron FV, Ferron AJT, Garcia JL, Silva CCVDA, Costa MR, Gregolin CS, Moreto F, Ferreira ALA, Minatel IO, Correa CR. Basic Concepts on the Role of Nuclear Factor Erythroid-Derived 2-Like 2 (Nrf2) in Age-Related Diseases. Int J Mol Sci 2019; 20:E3208. [PMID: 31261912 PMCID: PMC6651020 DOI: 10.3390/ijms20133208] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/11/2019] [Accepted: 05/14/2019] [Indexed: 12/26/2022] Open
Abstract
The transcription factor Nrf2 (nuclear factor erythroid 2-related factor 2) is one of the most important oxidative stress regulator in the human body. Once Nrf2 regulates the expression of a large number of cytoprotective genes, it plays a crucial role in the prevention of several diseases, including age-related disorders. However, the involvement of Nrf2 on these conditions is complex and needs to be clarified. Here, a brief compilation of the Nrf2 enrollment in the pathophysiology of the most common age-related diseases and bring insights for future research on the Nrf2 pathway is described. This review shows a controversial response of this transcriptional factor on the presented diseases. This reinforces the necessity of more studies to investigate modulation strategies for Nrf2, making it a possible therapeutic target in the treatment of age-related disorders.
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Affiliation(s)
| | | | | | | | | | | | - Fernando Moreto
- Medical School, São Paulo State University, Botucatu 18618-970, SP, Brazil
| | | | - Igor Otávio Minatel
- Institute of Biosciences, São Paulo State University, Botucatu 18618-689, SP, Brazil
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Wu K, Gong Z, Zou L, Ye H, Wang C, Liu Y, Liang Y, Li Y, Ren J, Cui L, Liu Y. Sargassum integerrimum inhibits oestrogen deficiency and hyperlipidaemia-induced bone loss by upregulating nuclear factor (erythroid-derived 2)-like 2 in female rats. J Orthop Translat 2019; 19:106-117. [PMID: 31844618 PMCID: PMC6896726 DOI: 10.1016/j.jot.2019.03.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/17/2019] [Accepted: 03/04/2019] [Indexed: 02/03/2023] Open
Abstract
Ethnopharmacological relevance Oestrogen deficiency, high incidences of hyperlipidaemia (HLP) and accelerated bone loss frequently occur in postmenopausal women. There is an urgent need to develop functional foods or specific drugs to protect against bone loss induced by oestrogen deficiency with HLP. Aim of the study In this study, we investigated the potential inhibitory effects of Sargassum integerrimum (SI) on bone loss in an ovariectomized rat model with HLP. Materials and methods The rats were treated for 12 weeks, and then, bone mineral density, bone biomechanical, bone microstructure, bone morphology, biomarkers of HLP oxidative stress and side effects were determined. Immunohistochemical staining and Western blot were performed to evaluate related protein expression. Results The femur bone mineral density increased (P < 0.05), and the microscopic structures (ratio of bone volume to total volume [BV/TV], connectivity density [Conn.D], trabecular number [Tb.N] and trabecular thickness [Tb.Th]) of the bone trabecula and mechanical properties (maximum and breaking load [ML and BL, respectively]) improved after SI treatment (P < 0.05). Furthermore, the levels of HLP biomarkers (total cholesterol, triglyceride and low-density lipoprotein) were significantly decreased (P < 0.05), whereas the levels of antioxidant markers (superoxide dismutase and total antioxidant capacity) were increased (P < 0.05). Similar results were obtained with immunohistochemical staining, whereas the Western blot assay showed that SI stimulated the expression of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) in bone. Conclusion Our data indicate that rats exposed to SI treatment for 12 weeks did not exhibit noticeable side effects. In conclusion, SI suppressed bone loss induced by ovariectomized and the associated HLP in rats by activating Nrf2, which could be a promising treatment option for osteoporosis induced by oestrogen deficiency and HLP in postmenopausal women. Translational scope statement Our study verified that SI prevented bone loss in rats with oestrogen deficiency with HLP by upregulating nuclear factor (erythroid-derived 2)-like 2. Furthermore, no side effect was observed after the long-term administration of SI. Those results suggested SI could be developed as a functional food or drug for postmenopausal osteoporosis induced by oestrogen deficiency with HLP.
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Affiliation(s)
- Kefeng Wu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
| | - Zhongqin Gong
- Shenzhen Ritzcon Biological Technology Co., Ltd., Shenzhen, 518000, China
| | - Liyi Zou
- Department of Pharmacology, Guangdong Medical University, Dongguan, 523808, Guangdong, China
| | - Hua Ye
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
| | - Changxiu Wang
- School of Public Health, Guangdong Medical University, Dongguan, Guangdong, 523808, China
| | - Yangchun Liu
- Jiangxi Medical College, Queen Mary College of Nanchang University, Nanchang, Jiangxi, 330000, China
| | - Yan Liang
- Department of Pharmacology, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
| | - Yanping Li
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
| | - Jianwei Ren
- School of Biomedical Sciences, The Chinese University of Hong Kong, New Territories, Hong Kong, China
| | - Liao Cui
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China.,Department of Pharmacology, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
| | - Yi Liu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, 524023, China
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Oxidative Stress as Cause, Consequence, or Biomarker of Altered Female Reproduction and Development in the Space Environment. Int J Mol Sci 2018; 19:ijms19123729. [PMID: 30477143 PMCID: PMC6320872 DOI: 10.3390/ijms19123729] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/12/2018] [Accepted: 11/20/2018] [Indexed: 12/22/2022] Open
Abstract
Oxidative stress has been implicated in the pathophysiology of numerous terrestrial disease processes and associated with morbidity following spaceflight. Furthermore, oxidative stress has long been considered a causative agent in adverse reproductive outcomes. The purpose of this review is to summarize the pathogenesis of oxidative stress caused by cosmic radiation and microgravity, review the relationship between oxidative stress and reproductive outcomes in females, and explore what role spaceflight-induced oxidative damage may have on female reproductive and developmental outcomes.
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Zhang J, Qiu X, Xi K, Hu W, Pei H, Nie J, Wang Z, Ding J, Shang P, Li B, Zhou G. Therapeutic ionizing radiation induced bone loss: a review of in vivo and in vitro findings. Connect Tissue Res 2018; 59:509-522. [PMID: 29448860 DOI: 10.1080/03008207.2018.1439482] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Radiation therapy is one of the routine treatment modalities for cancer patients. Ionizing radiation (IR) can induce bone loss, and consequently increases the risk of fractures with delayed and nonunion of the bone in the cancer patients who receive radiotherapy. The orchestrated bone remodeling can be disrupted due to the affected behaviors of bone cells, including bone mesenchymal stem cells (BMSCs), osteoblasts and osteoclasts. BMSCs and osteoblasts are relatively radioresistant compared with osteoclasts and its progenitors. Owing to different radiosensitivities of bone cells, unbalanced bone remodeling caused by IR is closely associated with the dose absorbed. For doses less than 2 Gy, osteoclastogenesis and adipogenesis by BMSCs are enhanced, while there are limited effects on osteoblasts. High doses (>10 Gy) induce disrupted architecture of bone, which is usually related to decreased osteogenic potential. In this review, studies elucidating the biological effects of IR on bone cells (BMSCs, osteoblasts and osteoclasts) are summarized. Several potential preventions and therapies are also proposed.
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Affiliation(s)
- Jian Zhang
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Xinyu Qiu
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Kedi Xi
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Wentao Hu
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Hailong Pei
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Jing Nie
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Ziyang Wang
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Jiahan Ding
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
| | - Peng Shang
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China.,c Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences , Northwestern Polytechnical University , Xi'an , China.,d Research & Development Institute in Shenzhen , Northwestern Polytechnical University, Fictitious College Garden , Shenzhen , China
| | - Bingyan Li
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China
| | - Guangming Zhou
- a State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection , Soochow University , Suzhou , China.,b Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions , Suzhou , China
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Chen K, Yuan Y, Wang Z, Song D, Zhao J, Cao Z, Chen J, Guo Q, Chen L, Tickner J, Xu J. Helvolic acid attenuates osteoclast formation and function via suppressing RANKL‐induced NFATc1 activation. J Cell Physiol 2018; 234:6477-6488. [DOI: 10.1002/jcp.27385] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 08/17/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Kai Chen
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
| | - Yu Yuan
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
- School of Physical Education and Sports Science, South China Normal University Guangzhou Guangdong China
| | - Ziyi Wang
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
| | - Dezhi Song
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
- Research Centre for Regenerative Medicine, Guangxi Medical University Nanning Guangxi China
| | - Jinmin Zhao
- Research Centre for Regenerative Medicine, Guangxi Medical University Nanning Guangxi China
- Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University Guangxi China
- International Joint Laboratory on Regeneration of Bone and Soft Tissues, Guangxi Medical University Guangxi China
| | - Zhen Cao
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
- Department of Biomedical Materials Science Third Military Medical University Chongqing China
| | - Junhao Chen
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
| | - Qiang Guo
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
- Department of Spine Surgery Xiangya Hospital, Central South University Changsha China
| | - Li Chen
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
- Melbourne Medical School, University of Melbourne Parkville Victoria Australia
| | - Jennifer Tickner
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
| | - Jiake Xu
- School of Biomedical Sciences, University of Western Australia Perth Western Australia Australia
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Florczyk-Soluch U, Józefczuk E, Stępniewski J, Bukowska-Strakova K, Mendel M, Viscardi M, Nowak WN, Józkowicz A, Dulak J. Various roles of heme oxygenase-1 in response of bone marrow macrophages to RANKL and in the early stage of osteoclastogenesis. Sci Rep 2018; 8:10797. [PMID: 30018287 PMCID: PMC6050304 DOI: 10.1038/s41598-018-29122-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 07/05/2018] [Indexed: 11/09/2022] Open
Abstract
Heme oxygenase-1 (HO-1; encoded by Hmox1), a downstream target of the Nrf2 transcription factor, has been postulated to be a negative regulator of osteoclasts (OCLs) differentiation. Here, we further explored such a hypothesis by examining HO-1 effects in different stages of osteoclastogenesis. We confirmed the inhibition of the expression of OCLs markers by Nrf2. In contrast, both the lack of the active Hmox1 gene or HO-1 silencing in OCLs precursor cells, bone marrow macrophages (BMMs), decreased their differentiation towards OCLs, as indicated by the analysis of OCLs markers such as TRAP. However, no effect of HO-1 deficiency was observed when HO-1 expression was silenced in BMMs or RAW264.7 macrophage cell line pre-stimulated with RANKL (considered as early-stage OCLs). Moreover, cobalt protoporphyrin IX (CoPPIX) or hemin, the known HO-1 inducers, inhibited OCLs markers both in RANKL-stimulated RAW264.7 cells and BMMs. Strikingly, a similar effect occurred in HO-1-/- cells, indicating HO-1-independent activity of CoPPIX and hemin. Interestingly, plasma of HO-1-/- mice contained higher TRAP levels, which suggests an increased number of bone-resorbing OCLs in the absence of HO-1 in vivo. In conclusion, our data indicate that HO-1 is involved in the response of bone marrow macrophages to RANKL and the induction of OCLs markers, but it is dispensable in early-stage OCLs. However, in vivo HO-1 appears to inhibit OCLs formation.
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Affiliation(s)
- Urszula Florczyk-Soluch
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.
| | - Ewelina Józefczuk
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Jacek Stępniewski
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Karolina Bukowska-Strakova
- Department of Clinical Immunology, Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Mateusz Mendel
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Monika Viscardi
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Witold Norbert Nowak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Alicja Józkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Józef Dulak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland. .,Kardio-Med Silesia, Zabrze, Poland.
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Salvianolic acid B alleviate the osteoblast activity decreasing under simulated microgravity by Keap1/Nrf2/ARE signaling pathway. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.04.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Cameron BD, Sekhar KR, Ofori M, Freeman ML. The Role of Nrf2 in the Response to Normal Tissue Radiation Injury. Radiat Res 2018; 190:99-106. [PMID: 29799319 DOI: 10.1667/rr15059.1] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The transcription factor Nrf2 is an important modulator of antioxidant and drug metabolism, carbohydrate and lipid metabolism, as well as heme and iron metabolism. Regulation of Nrf2 expression occurs transcriptionally and post-transcriptionally. Post-transcriptional regulation entails ubiquitination followed by proteasome-dependent degradation. Additionally, Nrf2-mediated gene expression is subject to negative regulation by ATF3, Bach1 and cMyc. Nrf2-mediated gene expression is an important regulator of a cell's response to radiation. Although a majority of studies have shown that Nrf2 deficient cells are radiosensitized and Nrf2 over expression confers radioresistance, Nrf2's role in mediating the radiation response of crypt cells is controversial. The Nrf2 activator CDDO attenuates radiation-mediated crypt injury, whereas intestinal crypts in Nrf2 null mice are radiation resistant. Further investigation is needed in order to define the relationship between Nrf2 and radiation sensitivity in Lgr5+ and Bmi1+ cells that regulate regeneration of crypt stem cells. In hematopoietic compartments Nrf2 promotes the survival of irradiated osteoblasts that support long-term hematopoietic stem cell (LT-HSC) niches. Loss of Nrf2 in LT-HSCs increases stem cell intrinsic radiosensitivity, with the consequence of lowering the LD5030. An Nrf2 deficiency drives LT-HSCs from a quiescent to a proliferative state. This results in hematopoietic exhaustion and reduced engraftment after myoablative irradiation. The question of whether induction of Nrf2 in LT-HSC enhances hematopoietic reconstitution after bone marrow transplantation is not yet resolved. Irradiation of the lung induces pulmonary pneumonitis and fibrosis. Loss of Nrf2 promotes TGF-β/Smad signaling that induces ATF3 suppression of Nrf2-mediated target gene expression. This, in turn, results in elevated reactive oxygen species (ROS) and isolevuglandin adduction of protein that impairs collagen degradation, and may contribute to radiation-induced chronic cell injury. Loss of Nrf2 impairs ΔNp63 stem/progenitor cell mobilization after irradiation, while promoting alveolar type 2 cell epithelial-mesenchymal transitions into myofibroblasts. These studies identify Nrf2 as an important factor in the radiation response of normal tissue.
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Affiliation(s)
- Brent D Cameron
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Konjeti R Sekhar
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Maxwell Ofori
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Michael L Freeman
- Department of Radiation Oncology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
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Gao Y, Zhao Z, Meng X, Chen H, Fu G. Migration and invasion in B16-F10 mouse melanoma cells are regulated by Nrf2 inhibition during treatment with ionizing radiation. Oncol Lett 2018; 16:1959-1966. [PMID: 30008889 DOI: 10.3892/ol.2018.8799] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 01/16/2018] [Indexed: 12/21/2022] Open
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) serves a critical role in carcinogenesis. The present study examined the effect of Nrf2 on the proliferation and invasion of melanoma cells that were treated with ionizing radiation. B16-F10 mouse melanoma cells were exposed to various doses of ionizing radiation for different time periods. Small interfering (si)RNAs targeting Nrf2 were transfected into B16-F10 cells, and cell proliferation, invasion and apoptosis were detected by Transwell, MTT or western blot assays. The expression of Nrf2 and its downstream heme oxygenase 1 (HO-1) was analyzed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting. HO-1 activity was also examined. Ionizing radiation stimulated Nrf2 expression, increased caspase-3 expression, and reduced the viability, migration and invasion of B16-F10 mouse melanoma cells. Transfection with Nrf2 siRNA was able to inhibit Nrf2 and HO-1 expression in B16-F10 mouse melanoma cells that were treated by ionizing radiation. Inhibition of Nrf2 further reduced cell viability, invasion and migration, and elevated caspase-3 expression in B16-F10 mice melanoma cells that were treated by ionizing radiation. In summary, treatment with ionizing radiation was able to stimulate Nrf2 expression and regulate cell viability, invasion and migration of B16-F10 cells. A combination of Nrf2 knockdown and ionizing radiation treatment exerted a synergistic effect on migration, invasion and apoptosis in B16-F10 murine melanoma cells.
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Affiliation(s)
- Yali Gao
- Department of Radiotherapy, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China
| | - Zishen Zhao
- Department of Dermatology, Cangzhou City People's Hospital, Cangzhou, Hebei 061000, P.R. China
| | - Xiaoyin Meng
- Department of Gynaecology and Obstetrics, Tianjin Hospital, Tianjin 300211, P.R. China
| | - Hongguag Chen
- Department of Anesthesiology, Tianjin Institute of Anesthesiology, General Hospital of Tianjin Medical University, Tianjin 300052, P.R. China
| | - Guojun Fu
- Department of Dermatology, Cangzhou City People's Hospital, Cangzhou, Hebei 061000, P.R. China
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