1
|
Mirarchi A, Albi E, Beccari T, Arcuri C. Microglia and Brain Disorders: The Role of Vitamin D and Its Receptor. Int J Mol Sci 2023; 24:11892. [PMID: 37569267 PMCID: PMC10419106 DOI: 10.3390/ijms241511892] [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: 06/09/2023] [Revised: 07/17/2023] [Accepted: 07/23/2023] [Indexed: 08/13/2023] Open
Abstract
Accounting for 5-20% of the total glial cells present in the adult brain, microglia are involved in several functions: maintenance of the neural environment, response to injury and repair, immunesurveillance, cytokine secretion, regulation of phagocytosis, synaptic pruning, and sculpting postnatal neural circuits. Microglia contribute to some neurodevelopmental disorders, such as Nasu-Hakola disease (NHD), Tourette syndrome (TS), autism spectrum disorder (ASD), and schizophrenia. Moreover, microglial involvement in neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's (PD) diseases, has also been well established. During the last two decades, epidemiological and research studies have demonstrated the involvement of vitamin D3 (VD3) in the brain's pathophysiology. VD3 is a fat-soluble metabolite that is required for the proper regulation of many of the body's systems, as well as for normal human growth and development, and shows neurotrophic and neuroprotective actions and influences on neurotransmission and synaptic plasticity, playing a role in various neurological diseases. In order to better understand the exact mechanisms behind the diverse actions of VD3 in the brain, a large number of studies have been performed on isolated cells or tissues of the central nervous system (CNS). Here, we discuss the involvement of VD3 and microglia on neurodegeneration- and aging-related diseases.
Collapse
Affiliation(s)
- Alessandra Mirarchi
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy;
| | - Elisabetta Albi
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy; (E.A.); (T.B.)
| | - Tommaso Beccari
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy; (E.A.); (T.B.)
| | - Cataldo Arcuri
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy;
| |
Collapse
|
2
|
Yao H, Xiang L, Huang Y, Tan J, Shen Y, Li F, Geng F, Liu W, Li X, Gao Y. Guizhi Shaoyao Zhimu granules attenuate bone destruction in mice with collagen-induced arthritis by promoting mitophagy of osteoclast precursors to inhibit osteoclastogenesis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 118:154967. [PMID: 37490802 DOI: 10.1016/j.phymed.2023.154967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/27/2023]
Abstract
BACKGROUND Guizhi Shaoyao Zhimu decoction, a traditional Chinese medicine formula used empirically for the treatment of rheumatoid arthritis (RA), has been shown to alleviate bone destruction in rats with collagen-induced arthritis (CIA). PURPOSE The aim of this study is to characterize the effects of Guizhi Shaoyao Zhimu granules (GSZGs) on bone destruction in RA and the underlying mechanism. STUDY DESIGN A CIA arthritis model using DBA/1 mice. The animals were divided into a normal group; CIA model group; low, medium, and high-dose GSZG groups (3, 6, and 9 g/kg/day); and a methotrexate group (1.14 mg/kg/w). In vitro, a cytokine induced osteoclastogenesis model was established. METHODS After 28 days of treatment, the paw volume was measured, bone destruction was examined by micro-CT, and the generation of osteoclasts in bone tissue was evaluated via tartrate-resistant acid phosphatase (TRAP) staining. Furthermore, the inhibitory effect and underlying mechanism of action of GSZG on RANKL-induced osteoclastogenesis were investigated in vitro. RESULTS The in vivo analyses demonstrated that the paw volume and degree of bone erosion of mice in the medium- and high-dose GSZG groups were significantly decreased compared to the CIA model group. In addition, GSZG treatment suppressed the excessive generation of osteoclasts in the bone tissue of CIA mice. In vitro, GSZG inhibited RANKL-induced osteoclastogenesis and osteoclast-mediated bone resorption. Specifically, it only inhibited the generation of osteoclast precursors (OCPs); it had no significant effect on the fusion of OCPs or maturation of osteoclasts. Finally, we showed that the inhibitory effect of GSZG on osteoclastogenesis was related to the promotion of PTEN-induced kinase protein 1 (PINK1)/Parkin pathway-mediated mitophagy of osteoclast precursors, which was verified using a PINK1 knockdown small interfering RNA in OCPs. CONCLUSION These findings indicate that GSZG is a candidate for the treatment of bone destruction in RA and provide a more detailed elucidation of the mechanism of GSZG anti-RA bone erosion, i.e., inhibition of the ROS/NF-κB axis through the PINK1/Parkin-mediated mitochondrial autophagic pathway to inhibit osteoclast precursor production, compared to the published literature.
Collapse
Affiliation(s)
- Huan Yao
- Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan, China; Sichuan Provincial Engineering Research Center of Innovative Re-development of Famous Classical Formulas, Pengzhou 611930, China.
| | - Li Xiang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan, China.
| | - Yucheng Huang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan, China.
| | - Jin Tan
- Gooddoctor Pharmaceutical Group Co., Ltd., Anzhou Industrial Park, Mianyang 622651, Sichuan, China.
| | - Yongmei Shen
- Gooddoctor Pharmaceutical Group Co., Ltd., Anzhou Industrial Park, Mianyang 622651, Sichuan, China.
| | - Fangqiong Li
- Gooddoctor Pharmaceutical Group Co., Ltd., Anzhou Industrial Park, Mianyang 622651, Sichuan, China.
| | - Funeng Geng
- Gooddoctor Pharmaceutical Group Co., Ltd., Anzhou Industrial Park, Mianyang 622651, Sichuan, China
| | - Weiwei Liu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, Sichuan, China
| | - Xueping Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan, China.
| | - Yongxiang Gao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan, China.
| |
Collapse
|
3
|
Ikeda E, Tanaka D, Glogauer M, Tenenbaum HC, Ikeda Y. Healing effects of monomer and dimer resveratrol in a mouse periodontitis model. BMC Oral Health 2022; 22:460. [PMID: 36319994 PMCID: PMC9623911 DOI: 10.1186/s12903-022-02499-2] [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: 06/30/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Background The antioxidant and anti-inflammatory effects of resveratrol have been reported previously. Particularly, monomeric trans-resveratrol has been demonstrated to produce positive effects in various pathological processes. We reported previously that resveratrol dimer-rich melinjo extract, among others, caused bone healing, decreased local oxidative damage, and activated antioxidants nuclear factor erythroid 2-related factor 2 (Nrf2) pathways in a mouse model of experimentally induced periodontitis (EP). This study aimed to compare the bone-healing effects of the resveratrol monomer to the resveratrol dimer (gnetin C found in melinjo seed extract) in a model of EP and investigate the involvement of Nrf2 for effects of either form of resveratrol. Methods EP was induced experimentally in mice by placement of a 9 − 0 silk ligature around the left second molar. Mice received 10 mg/kg of either resveratrol monomer or dimer intraperitoneally on day 15 after induction of EP. The bone level around the ligated teeth was measured over time, and levels of proinflammatory cytokines and oxidative stress were measured in the periodontal tissues around the ligated teeth. Results Resveratrol dimer induced greater periodontal bone healing as compared to that related to use of the resveratrol monomer. It appears that healing of periodontal bone in either group was likely related to master regulation of antioxidant nuclear factor erythroid 2-related factor 2 (Nrf2) significantly. Downregulation of IL-1β, a proinflammatory cytokine was also demonstrated in the resveratrol dimer group. Conclusion Our results showed that administration of resveratrol in either dimer form or the monomeric form reduced periodontal bone loss with greater inhibition of bone loss being demonstrated in the dimer group as compared to the monomer group and that these effects were related in all likelihood to decreased oxidative stress and hence reduction in local inflammation.
Collapse
Affiliation(s)
- Eri Ikeda
- grid.265073.50000 0001 1014 9130Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, 113-8549 Bunkyo, Tokyo, Japan ,grid.265073.50000 0001 1014 9130Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, 113-8549 Bunkyo, Tokyo, Japan
| | - Daiki Tanaka
- grid.265073.50000 0001 1014 9130Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, 113-8549 Bunkyo, Tokyo, Japan
| | - Michael Glogauer
- grid.17063.330000 0001 2157 2938Faculty of Dentistry, University of Toronto, 124 Edward St, M5G 1G6 Toronto, ON Canada ,grid.415224.40000 0001 2150 066XDepartment of Dental Oncology and Maxillofacial Prosthetics University Health Network - Princess Margaret Cancer Centre, 610 University Avenue, M5G 2M9 Toronto, ON Canada
| | - Howard C Tenenbaum
- grid.17063.330000 0001 2157 2938Faculty of Dentistry, University of Toronto, 124 Edward St, M5G 1G6 Toronto, ON Canada ,grid.416166.20000 0004 0473 9881Centre for Advanced Dental Research and Care, Department of Dentistry, Mount Sinai Hospital, 600 University Avenue, M5G 1X5 Toronto, ON Canada
| | - Yuichi Ikeda
- grid.265073.50000 0001 1014 9130Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, 113-8549 Bunkyo, Tokyo, Japan
| |
Collapse
|
4
|
Kaneko K, Miyamoto Y, Ida T, Morita M, Yoshimura K, Nagasaki K, Toba K, Sugisaki R, Motohashi H, Akaike T, Chikazu D, Kamijo R. 8-Nitro-cGMP suppresses mineralization by mouse osteoblasts. J Clin Biochem Nutr 2022; 71:191-197. [PMID: 36447486 PMCID: PMC9701590 DOI: 10.3164/jcbn.21-129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 05/14/2022] [Indexed: 11/20/2023] Open
Abstract
Nitric oxide and reactive oxygen species regulate bone remodeling, which occurs via bone formation and resorption by osteoblasts and osteoclasts, respectively. Recently, we found that 8-nitro-cGMP, a second messenger of nitric oxide and reactive oxygen species, promotes osteoclastogenesis. Here, we investigated the formation and function of 8-nitro-cGMP in osteoblasts. Mouse calvarial osteoblasts were found to produce 8-nitro-cGMP, which was augmented by tumor necrosis factor-α (10 ng/ml) and interleukin-1β (1 ng/ml). These cytokines suppressed osteoblastic differentiation in a NO synthase activity-dependent manner. Exogenous 8-nitro-cGMP (30 μmol/L) suppressed expression of osteoblastic phenotypes, including mineralization, in clear contrast to the enhancement of mineralization by osteoblasts induced by 8-bromo-cGMP, a cell membrane-permeable analog of cGMP. It is known that reactive sulfur species denitrates and degrades 8-nitro-cGMP. Mitochondrial cysteinyl-tRNA synthetase plays a crucial role in the endogenous production of RSS. The expression of osteoblastic phenotypes was suppressed by not only exogenous 8-nitro-cGMP but also by silencing of the Cars2 gene, indicating a role of endogenous 8-nitro-cGMP in suppressing the expression of osteoblastic phenotypes. These results suggest that 8-nitro-cGMP is a negative regulator of osteoblastic differentiation.
Collapse
Affiliation(s)
- Kotaro Kaneko
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku, Tokyo 160-0023, Japan
| | - Yoichi Miyamoto
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Tomoaki Ida
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-cho, Aoba-ku, Sendai 980-8575, Japan
| | - Masanobu Morita
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-cho, Aoba-ku, Sendai 980-8575, Japan
| | - Kentaro Yoshimura
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Kei Nagasaki
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
- Department of Orthopedics, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Kazuki Toba
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
- Department of Oral and Maxillofacial Surgery, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| | - Risa Sugisaki
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku, Tokyo 160-0023, Japan
| | - Hozumi Motohashi
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, 4-1 Seiryo-cho, Aoba-ku, Sendai 980-8575, Japan
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-cho, Aoba-ku, Sendai 980-8575, Japan
| | - Daichi Chikazu
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku, Tokyo 160-0023, Japan
| | - Ryutaro Kamijo
- Department of Biochemistry, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa, Tokyo 142-8555, Japan
| |
Collapse
|
5
|
Alshubaily FA, Jambi EJ. Correlation between Antioxidant and Anti-Osteoporotic Activities of Shilajit Loaded into Chitosan Nanoparticles and Their Effects on Osteoporosis in Rats. Polymers (Basel) 2022; 14:polym14193972. [PMID: 36235920 PMCID: PMC9571855 DOI: 10.3390/polym14193972] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 11/19/2022] Open
Abstract
Various therapies for osteoporosis successfully reduce bone loss and fractures, but they mostly do not contribute to new bone structures and adversely affect patients. Shilajit is a natural mineral substance comprised of multi-components, with proved efficacy to improve immunity, antioxidant activity, and disease resistance. In the present study, various effects of shilajit water extract (SWE) on bone development and its management were determined in experimental glucocorticoid-induced osteoporotic rats. The fabrication of nanochitosan (NCT) and NCT conjugation with SWE were conducted and evaluated as enhanced formulations for treating osteoporosis. NCT and SWE/NCT had mean particle diameters of 196.4 and 248.4 nm, respectively, with high positivity charging and stability. The biochemical and anti-osteoporotic effects of SWE and SWE/NCT conjugates were investigated on different groups of compromised rats. Five groups each including six adult albino female rats were formed and treated for a duration of eight weeks with SWE and SWE/NCT conjugate. Significantly improved serum calcium, phosphorus, osteocalcin, and calcitonin levels but decreased hydrogen peroxide, IL-6, and antioxidant biomarkers were recorded in all SWE- and SWE/NCT-treated groups; the SWE/NCT treatment was most effectual treatment. These results suggest that SWE and SWE/NCT may cause anti-osteoporotic activity by reducing oxidative stress, IL-6, and H2O2 while restoring antioxidant levels. The conjugation of SWE onto NCT is highly recommended for augmenting their activities.
Collapse
|
6
|
Bianchin MM, Snow Z. Primary microglia dysfunction or microgliopathy: A cause of dementias and other neurological or psychiatric disorders. Neuroscience 2022; 497:324-339. [PMID: 35760218 DOI: 10.1016/j.neuroscience.2022.06.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 11/24/2022]
Abstract
Microglia are unique cells in the central nervous system (CNS), being considered a sub-type of CNS macrophage. These cells monitor nearby micro-regions, having roles that far exceed immunological and scavengering functions, being fundamental for developing, protecting and maintaining the integrity of grey and white matter. Microglia might become dysfunctional, causing abnormal CNS functioning early or late in the life of patients, leading to neurologic or psychiatric disorders and premature death in some patients. Observations that the impairment of normal microglia function per se could lead to neurological or psychiatric diseases have been mainly obtained from genetic and molecular studies of Nasu-Hakola disease, caused by TYROBP or TREM2 mutations, and from studies of adult-onset leukoencephalopathy with axonal spheroids (ALSP), caused by CSF1R mutations. These classical microgliopathies are being named here Microgliopathy Type I. Recently, mutations in TREM2 have also been associated with Alzheimer Disease. However, in Alzheimer Disease TREM2 allele variants lead to an impaired, but functional TREM2 protein, so that patients do not develop Nasu-Hakola disease but are at increased risk to develop other neurodegenerative diseases. Alzheimer Disease is the prototype of the neurodegenerative disorders associated with these TREM2 variants, named here the Microgliopathies Type II. Here, we review clinical, pathological and some molecular aspects of human diseases associated with primary microglia dysfunctions and briefly comment some possible therapeutic approaches to theses microgliopathies. We hope that our review might update the interesting discussion about the impact of intrinsic microglia dysfunctions in the genesis of some pathologic processes of the CNS.
Collapse
Affiliation(s)
- Marino Muxfeldt Bianchin
- Basic Research and Advanced Investigations in Neurosciences (BRAIN), Universidade Federal do Rio Grande do Sul, Brazil; Graduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul, Brazil; Centro de Tratamento de Epilepsia Refratária (CETER), Hospital de Clínicas de Porto Alegre, Brazil; Division of Neurology, Hospital de Clínicas de Porto Alegre, Brazil.
| | - Zhezu Snow
- Basic Research and Advanced Investigations in Neurosciences (BRAIN), Universidade Federal do Rio Grande do Sul, Brazil
| |
Collapse
|
7
|
Massaccesi L, Galliera E, Pellegrini A, Banfi G, Corsi Romanelli MM. Osteomyelitis, Oxidative Stress and Related Biomarkers. Antioxidants (Basel) 2022; 11:antiox11061061. [PMID: 35739958 PMCID: PMC9220672 DOI: 10.3390/antiox11061061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 12/30/2022] Open
Abstract
Bone is a very dynamic tissue, subject to continuous renewal to maintain homeostasis through bone remodeling, a process promoted by two cell types: osteoblasts, of mesenchymal derivation, are responsible for the deposition of new material, and osteoclasts, which are hematopoietic cells, responsible for bone resorption. Osteomyelitis (OM) is an invasive infectious process, with several etiological agents, the most common being Staphylococcus aureus, affecting bone or bone marrow, and severely impairing bone homeostasis, resulting in osteolysis. One of the characteristic features of OM is a strong state of oxidative stress (OS) with severe consequences on the delicate balance between osteoblastogenesis and osteoclastogenesis. Here we describe this, analyzing the effects of OS in bone remodeling and discussing the need for new, easy-to-measure and widely available OS biomarkers that will provide valid support in the management of the disease.
Collapse
Affiliation(s)
- Luca Massaccesi
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy; (E.G.); (M.M.C.R.)
- Correspondence: ; Tel.: +39-0250316027
| | - Emanuela Galliera
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy; (E.G.); (M.M.C.R.)
- IRCCS Galeazzi Orthopaedic Institute, 20161 Milan, Italy;
| | - Antonio Pellegrini
- Centre for Reconstructive Surgery and Osteoarticular Infections, IRCCS Galeazzi Orthopaedic Institute, 20161 Milan, Italy;
| | - Giuseppe Banfi
- IRCCS Galeazzi Orthopaedic Institute, 20161 Milan, Italy;
| | - Massimiliano Marco Corsi Romanelli
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy; (E.G.); (M.M.C.R.)
- Service of Laboratory Medicine1-Clinical Pathology, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy
| |
Collapse
|
8
|
Orcinol Glucoside Improves Senile Osteoporosis through Attenuating Oxidative Stress and Autophagy of Osteoclast via Activating Nrf2/Keap1 and mTOR Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5410377. [PMID: 35585885 PMCID: PMC9110208 DOI: 10.1155/2022/5410377] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/28/2022] [Accepted: 04/04/2022] [Indexed: 12/21/2022]
Abstract
Oxidative stress and autophagy play essential roles in the development of senile osteoporosis which is characterized by disrupted osteoclastic bone resorption and osteoblastic bone formation. Orcinol glucoside (OG), a phenolic glycoside isolated from Curculigo orchioides Gaertn, possesses antiosteoporotic properties. This study examined the protective effects of OG on bone loss in SAMP6 mice and explored the underlying mechanisms. The osteoporotic SAMP6 mice were treated with OG oral administration. RAW264.7 cells were induced to differentiate into osteoclast by RANKL and H2O2 in vitro and received OG treatment. The results demonstrated that OG attenuated bone loss in SAMP6 mice and inhibited the formation and bone resorption activities of osteoclast and reduced levels of oxidative stress in bone tissue of SAMP6 mice and osteoclast. Furthermore, OG activated Nrf2/Keap1 signaling pathway and enhanced the phosphorylation of mTOR and p70S6K which are consequently suppressing autophagy. Of note, the effect of OG on Nrf2/Keap1 signaling was neutralized by the mTOR inhibitor rapamycin. Meanwhile, the inhibitory effect of OG on autophagy was reversed by the Nrf2 inhibitor ML385.Conclusively, OG attenuated bone loss by inhibiting formation, differentiation, and bone resorption activities of osteoclast. Regulation of Nrf2/Keap1 and mTOR signals is a possible mechanism by which OG suppressed oxidative and autophagy of osteoclasts. Thus, OG prevented senile osteoporosis through attenuating oxidative stress and autophagy of osteoclast via activating Nrf2/Keap1 and mTOR signaling pathway.
Collapse
|
9
|
Wang CY, Yang CC, Hsiao LD, Yang CM. Involvement of FoxO1, Sp1, and Nrf2 in Upregulation of Negative Regulator of ROS by 15d-PGJ 2 Attenuates H 2O 2-Induced IL-6 Expression in Rat Brain Astrocytes. Neurotox Res 2022; 40:154-172. [PMID: 34997457 PMCID: PMC8784370 DOI: 10.1007/s12640-020-00318-6] [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: 06/18/2020] [Revised: 11/23/2020] [Accepted: 11/25/2020] [Indexed: 02/08/2023]
Abstract
Excessive production of reactive oxygen species (ROS) by NADPH oxidase (Nox) resulted in inflammation. The negative regulator of ROS (NRROS) dampens ROS generation during inflammatory responses. 15-Deoxy-∆12,14-prostaglandin J2 (15d-PGJ2) exhibits neuroprotective effects on central nervous system (CNS). However, whether 15d-PGJ2-induced NRROS expression was unknown in rat brain astrocytes (RBA-1). NRROS expression was determined by Western blot, RT/real-time PCR, and promoter activity assays. The signaling components were investigated using pharmacological inhibitors or specific siRNAs. The interaction between transcription factors and the NRROS promoter was investigated by chromatin immunoprecipitation assay. Upregulation of NRROS on the hydrogen peroxide (H2O2)-mediated ROS generation and interleukin 6 (IL-6) secretion was measured. 15d-PGJ2-induced NRROS expression was mediated through PI3K/Akt-dependent activation of Sp1 and FoxO1 and established the essential promoter regions. We demonstrated that 15d-PGJ2 activated PI3K/Akt and following by cooperation between phosphorylated nuclear FoxO1 and Sp1 to initiate the NRROS transcription. In addition, Nrf2 played a key role in NRROS expression induced by 15d-PGJ2 which was mediated through its phosphorylation. Finally, the NRROS stable clones attenuated the H2O2-induced ROS generation and expression of IL-6 through suppressing the Nox-2 activity. These results suggested that 15d-PGJ2-induced NRROS expression is mediated through a PI3K/Akt-dependent FoxO1 and Sp1 phosphorylation, and Nrf2 cascade, which suppresses ROS generation through attenuating the p47phox phosphorylation and gp91phox formation and IL-6 expression in RBA-1 cells. These results confirmed the mechanisms underlying 15d-PGJ2-induced NRROS expression which might be a potential strategy for prevention and management of brain inflammatory and neurodegenerative diseases.
Collapse
Affiliation(s)
- Chen-Yu Wang
- Department of Pharmacology, College of Medicine, China Medical University, Taichung, 40402, Taiwan
| | - Chien-Chung Yang
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital At Tao-Yuan, Kwei-San, Tao-Yuan, 33302, Taiwan.,School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Kwei-San, Tao-Yuan, 33302, Taiwan
| | - Li-Der Hsiao
- Department of Pharmacology, College of Medicine, China Medical University, Taichung, 40402, Taiwan
| | - Chuen-Mao Yang
- Department of Pharmacology, College of Medicine, China Medical University, Taichung, 40402, Taiwan. .,Ph.D. Program for Biotch Pharmaceutical Industry, China Medical University, Taichung, 40402, Taiwan. .,Department of Post-Baccalaureate Veterinary Medicine, College of Medical and Health Science, Asia University, Wufeng, Taichung, 41354, Taiwan.
| |
Collapse
|
10
|
Oh SY, Kang N, Kang JY, Kim KW, Choi JH, Yang YM, Shin DM. Sestrin2 Regulates Osteoclastogenesis via the p62-TRAF6 Interaction. Front Cell Dev Biol 2021; 9:646803. [PMID: 33842470 PMCID: PMC8033026 DOI: 10.3389/fcell.2021.646803] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/09/2021] [Indexed: 12/26/2022] Open
Abstract
The receptor activator of nuclear factor-kappa B ligand (RANKL) mediates osteoclast differentiation and functions by inducing Ca2+ oscillations, activating mitogen-activated protein kinases (MAPKs), and activating nuclear factor of activated T-cells type c1 (NFATc1) via the RANK and tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6) interaction. Reactive oxygen species (ROS) also plays an important role during osteoclastogenesis and Sestrin2, an antioxidant, maintains cellular homeostasis upon stress injury via regulation of ROS, autophagy, and inflammation. However, the role of Sestrin2 in osteoclastogenesis remains unknown. In this study, we investigated the role of Sestrin2 in the RANKL-RANK-TRAF6 signaling pathway during osteoclast differentiation. Deletion of Sestrin2 (Sesn2) increased bone mass and reduced the number of multinucleated osteoclasts on bone surfaces. RANKL-induced osteoclast differentiation and function decreased in Sesn2 knockout (KO) bone marrow-derived monocytes/macrophages (BMMs) due to inhibition of NFATc1 expression, but osteoblastogenesis was not affected. mRNA expression of RANKL-induced specific osteoclastogenic genes and MAPK protein expression were lower in Sesn2 KO BMMs than wild-type (WT) BMMs after RANKL treatment. However, the Sesn2 deletion did not affect ROS generation or intracellular Ca2+ oscillations during osteoclastogenesis. In contrast, the interaction between TRAF6 and p62 was reduced during osteoclasts differentiation in Sesn2 KO BMMs. The reduction in the TRAF6/p62 interaction and TRAP activity in osteoclastogenesis in Sesn2 KO BMMs was recovered to the WT level upon expression of Flag-Sesn2 in Sesn2 KO BMMs. These results suggest that Sestrin2 has a novel role in bone homeostasis and osteoclasts differentiation through regulation of NFATc1 and the TRAF6/p62 interaction.
Collapse
Affiliation(s)
- Sue Young Oh
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea
| | - Namju Kang
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea.,BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, South Korea
| | - Jung Yun Kang
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea.,BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, South Korea.,Department of Dental Hygiene, Yonsei University Wonju College of Medicine, Wonju, South Korea
| | - Ki Woo Kim
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea
| | - Jong-Hoon Choi
- Department of Orofacial Pain & Oral Medicine, Yonsei University College of Dentistry, Seoul, South Korea
| | - Yu-Mi Yang
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea
| | - Dong Min Shin
- Department of Oral Biology, Yonsei University College of Dentistry, Seoul, South Korea.,BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, South Korea
| |
Collapse
|
11
|
Dong X, Tan NB, Howell KB, Barresi S, Freeman JL, Vecchio D, Piccione M, Radio FC, Calame D, Zong S, Eggers S, Scheffer IE, Tan TY, Van Bergen NJ, Tartaglia M, Christodoulou J, White SM. Bi-allelic LoF NRROS Variants Impairing Active TGF-β1 Delivery Cause a Severe Infantile-Onset Neurodegenerative Condition with Intracranial Calcification. Am J Hum Genet 2020; 106:559-569. [PMID: 32197075 PMCID: PMC7118692 DOI: 10.1016/j.ajhg.2020.02.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 02/26/2020] [Indexed: 01/05/2023] Open
Abstract
Negative regulator of reactive oxygen species (NRROS) is a leucine-rich repeat-containing protein that uniquely associates with latent transforming growth factor beta-1 (TGF- β1) and anchors it on the cell surface; this anchoring is required for activation of TGF-β1 in macrophages and microglia. We report six individuals from four families with bi-allelic variants in NRROS. All affected individuals had neurodegenerative disease with refractory epilepsy, developmental regression, and reduced white matter volume with delayed myelination. The clinical course in affected individuals began with normal development or mild developmental delay, and the onset of seizures occurred within the first year of life, followed by developmental regression. Intracranial calcification was detected in three individuals. The phenotypic features in affected individuals are consistent with those observed in the Nrros knockout mouse, and they overlap with those seen in the human condition associated with TGF-β1 deficiency. The disease-causing NRROS variants involve two significant functional NRROS domains. These variants result in aberrant NRROS proteins with impaired ability to anchor latent TGF-β1 on the cell surface. Using confocal microscopy in HEK293T cells, we demonstrate that wild-type and mutant NRROS proteins co-localize with latent TGF-β1 intracellularly. However, using flow cytometry, we show that our mutant NRROS proteins fail to anchor latent TGF-β1 at the cell surface in comparison to wild-type NRROS. Moreover, wild-type NRROS rescues the defect of our disease-associated mutants in presenting latent TGF-β1 to the cell surface. Taken together, our findings suggest that loss of NRROS function causes a severe childhood-onset neurodegenerative condition with features suggestive of a disordered response to inflammation.
Collapse
Affiliation(s)
- Xiaomin Dong
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Natalie B Tan
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Katherine B Howell
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Sabina Barresi
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - Jeremy L Freeman
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Davide Vecchio
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - Maria Piccione
- Department of Science for Health Promotion and Mother and Child Care, Università degli Studi di Palermo, Palermo 90127, Italy
| | | | - Daniel Calame
- Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA
| | - Shan Zong
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia
| | - Stefanie Eggers
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Ingrid E Scheffer
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Department of Neurology, Royal Children's Hospital, Parkville, Victoria 3052, Australia; Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia
| | - Tiong Y Tan
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia
| | - Nicole J Van Bergen
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Marco Tartaglia
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Rome 00146, Italy
| | - John Christodoulou
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia.
| | - Susan M White
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria 3052, Australia; Victorian Clinical Genetics Services, Parkville, Victoria 3052, Australia.
| |
Collapse
|
12
|
Hameister R, Kaur C, Dheen ST, Lohmann CH, Singh G. Reactive oxygen/nitrogen species (ROS/RNS) and oxidative stress in arthroplasty. J Biomed Mater Res B Appl Biomater 2020; 108:2073-2087. [PMID: 31898397 DOI: 10.1002/jbm.b.34546] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/19/2019] [Accepted: 12/08/2019] [Indexed: 12/16/2022]
Abstract
The interplay between implant design, biomaterial characteristics, and the local microenvironment adjacent to the implant is of utmost importance for implant performance and success of the joint replacement surgery. Reactive oxygen and nitrogen species (ROS/RNS) are among the various factors affecting the host as well as the implant components. Excessive formation of ROS and RNS can lead to oxidative stress, a condition that is known to damage cells and tissues and also to affect signaling pathways. It may further compromise implant longevity by accelerating implant degradation, primarily through activation of inflammatory cells. In addition, wear products of metallic, ceramic, polyethylene, or bone cement origin may also generate oxidative stress themselves. This review outlines the generation of free radicals and oxidative stress in arthroplasty and provides a conceptual framework on its implications for soft tissue remodeling and bone resorption (osteolysis) as well as implant longevity. Key findings derived from cell culture studies, animal models, and patients' samples are presented. Strategies to control oxidative stress by implant design and antioxidants are explored and areas of controversy and challenges are highlighted. Finally, directions for future research are identified. A better understanding of the host-implant interplay and the role of free radicals and oxidative stress will help to evaluate therapeutic approaches and will ultimately improve implant performance in arthroplasty.
Collapse
Affiliation(s)
- Rita Hameister
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Charanjit Kaur
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Shaikali Thameem Dheen
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Christoph H Lohmann
- Department of Orthopaedic Surgery, Otto-von-Guericke University, Magdeburg, Germany
| | - Gurpal Singh
- Centre for Orthopaedics Pte Ltd, Singapore, Singapore
| |
Collapse
|
13
|
Ma W, Qin Y, Chapuy B, Lu C. LRRC33 is a novel binding and potential regulating protein of TGF-β1 function in human acute myeloid leukemia cells. PLoS One 2019; 14:e0213482. [PMID: 31600200 PMCID: PMC6786621 DOI: 10.1371/journal.pone.0213482] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 09/27/2019] [Indexed: 11/18/2022] Open
Abstract
Transforming growth factor‑β1 (TGF-β1) is a versatile cytokine. It has context-dependent pro- and anti-cell proliferation functions. Activation of latent TGF-β1 requires release of the growth factor from pro-complexes and is regulated through TGF-β binding proteins. Two types of TGF-β binding partners, latent TGF-β-binding proteins (LTBPs) and leucine-rich-repeat-containing protein 32 (LRRC32), have been identified and their expression are cell specific. TGF-β1 also plays important roles in acute myeloid leukemia (AML) cells. However, the expression of LTBPs and LRRC32 are lacking in myeloid lineage cells and the binding protein of TGF-β1 in these cells are unknown. Here we show that a novel leucine-rich-repeat-containing protein family member, LRRC33, with high mRNA level in AML cells, to be the binding and regulating protein of TGF-β1 in AML cells. Using two representative cell lines MV4-11 and AML193, we demonstrate that the protein expression of LRRC33 and TGF-β1 are correlated. LRRC33 co-localizes and forms complex with latent TGF-β1 protein on the cell surface and intracellularly in these cells. Similar as in other cell types, the activation of TGF-β1 in MV4-11 and AML193 cells are also integrin dependent. We anticipate our study to be a starting point of more comprehensive research on LRRC33 as novel TGF-β regulating protein and potential non-genomic based drug target for AML and other myeloid malignancy.
Collapse
MESH Headings
- Cell Line, Tumor
- Drug Delivery Systems
- Humans
- Latent TGF-beta Binding Proteins/genetics
- Latent TGF-beta Binding Proteins/metabolism
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Neoplasm Proteins/genetics
- Neoplasm Proteins/metabolism
- Protein Binding
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- RNA, Neoplasm/genetics
- RNA, Neoplasm/metabolism
- Transforming Growth Factor beta1/genetics
- Transforming Growth Factor beta1/metabolism
Collapse
Affiliation(s)
- Wenjiang Ma
- Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, MA, United States of America
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States of America
- Harvard Medical School, Boston, MA, United States of America
- * E-mail:
| | - Yan Qin
- Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, MA, United States of America
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States of America
- Harvard Medical School, Boston, MA, United States of America
| | - Bjoern Chapuy
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States of America
| | - Chafen Lu
- Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, MA, United States of America
- Harvard Medical School, Boston, MA, United States of America
| |
Collapse
|
14
|
Reactive Oxygen Species in Osteoclast Differentiation and Possible Pharmaceutical Targets of ROS-Mediated Osteoclast Diseases. Int J Mol Sci 2019; 20:ijms20143576. [PMID: 31336616 PMCID: PMC6678498 DOI: 10.3390/ijms20143576] [Citation(s) in RCA: 255] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/19/2019] [Accepted: 07/21/2019] [Indexed: 12/18/2022] Open
Abstract
Reactive oxygen species (ROS) and free radicals are essential for transmission of cell signals and other physiological functions. However, excessive amounts of ROS can cause cellular imbalance in reduction–oxidation reactions and disrupt normal biological functions, leading to oxidative stress, a condition known to be responsible for the development of several diseases. The biphasic role of ROS in cellular functions has been a target of pharmacological research. Osteoclasts are derived from hematopoietic progenitors in the bone and are essential for skeletal growth and remodeling, for the maintenance of bone architecture throughout lifespan, and for calcium metabolism during bone homeostasis. ROS, including superoxide ion (O2−) and hydrogen peroxide (H2O2), are important components that regulate the differentiation of osteoclasts. Under normal physiological conditions, ROS produced by osteoclasts stimulate and facilitate resorption of bone tissue. Thus, elucidating the effects of ROS during osteoclast differentiation is important when studying diseases associated with bone resorption such as osteoporosis. This review examines the effect of ROS on osteoclast differentiation and the efficacy of novel chemical compounds with therapeutic potential for osteoclast related diseases.
Collapse
|
15
|
Soares MPR, Silva DP, Uehara IA, Ramos ES, Alabarse PVG, Fukada SY, da Luz FC, Vieira LQ, Oliveira APL, Silva MJB. The use of apocynin inhibits osteoclastogenesis. Cell Biol Int 2019; 43:466-475. [DOI: 10.1002/cbin.11110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 02/02/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Mariana Pena Ribeiro Soares
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
- School of Pharmaceutical Sciences of Ribeirao PretoDepartment of Physics and ChemistryUniversity of São PauloRibeirao PretoBrazil
| | - Danielle Pereira Silva
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
| | - Isadora Akemi Uehara
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
| | - Erivan Schnaider Ramos
- School of Pharmaceutical Sciences of Ribeirao PretoDepartment of Physics and ChemistryUniversity of São PauloRibeirao PretoBrazil
- University of the PacificArthur A. Dugoni School of DentistrySan FranciscoCalifornia
| | - Paulo Vinicius Gil Alabarse
- School of Pharmaceutical Sciences of Ribeirao PretoDepartment of Physics and ChemistryUniversity of São PauloRibeirao PretoBrazil
| | - Sandra Yasuyo Fukada
- School of Pharmaceutical Sciences of Ribeirao PretoDepartment of Physics and ChemistryUniversity of São PauloRibeirao PretoBrazil
| | - Felipe Cordero da Luz
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
| | - Leda Quercia Vieira
- Department of Biochemistry and ImmunologyUniversity of Minas GeraisBelo HorizonteBrazil
| | - Ana Paula Lima Oliveira
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
| | - Marcelo José Barbosa Silva
- Institute of Biomedical ScienceFederal University of Uberlandia2B, Room, 211, Campus UmuaramaUberlandiaBrazil
| |
Collapse
|
16
|
Li Z, Chen C, Zhu X, Li Y, Yu R, Xu W. Glycyrrhizin Suppresses RANKL-Induced Osteoclastogenesis and Oxidative Stress Through Inhibiting NF-κB and MAPK and Activating AMPK/Nrf2. Calcif Tissue Int 2018; 103:324-337. [PMID: 29721581 DOI: 10.1007/s00223-018-0425-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 04/02/2018] [Indexed: 12/21/2022]
Abstract
The treatment for osteoporosis involves inhibiting bone resorption and osteoclastogenesis. Glycyrrhizin (GLY) is a triterpenoid saponin glycoside known to be as the most medically efficacious component of the licorice plant. It has strong anti-inflammatory, antioxidant, and antitumor properties. We investigated the effect of GLY on osteoclastogenesis, bone resorption, and intracellular oxidative stress and its molecular mechanisms. In vitro osteoclastogenesis assays were performed using bone marrow monocytes with and without glycyrrhizin. We also evaluated the effects of glycyrrhizin on the secretion of TNF-α, IL-1β, and IL-6 in LPS-stimulated RAW 264.7 cells using ELISA. The effects of glycyrrhizin on the expression of osteoclast-related genes, such as Nfatc1, c-fos, Trap, and cathepsin K (CK), were investigated by RT-PCR. Intracellular reactive oxygen species (ROS) were detected in receptor activator of nuclear factor kappa-Β ligand (RANKL)-stimulated osteoclasts in the presence and absence of glycyrrhizin. During the inhibition of osteoclastogenesis by glycyrrhizin, phosphorylation of AMPK, Nrf2, NF-κB, and MAPK was analyzed using western blotting. Our results showed that glycyrrhizin significantly inhibited RANKL-induced osteoclastogenesis, downregulated the expression of NFATc1, c-fos, TRAP, CK, DC-STAMP, and OSCAR, and inhibited p65, p38, and JNK. Glycyrrhizin was found to significantly decrease the secretion of inflammatory cytokines (TNF-α, IL-1β, and IL-6). Additionally, glycyrrhizin reduced the formation of ROS in osteoclasts by inducing AMPK phosphorylation and nuclear transfer of NRF2, resulting in an upregulation of antioxidant enzymes, such as HO-1, NQO-1, and GCLC. In summary, we found that glycyrrhizin inhibited RANKL-induced osteoclastogenesis. It was also indicated that glycyrrhizin could reduce oxidative stress by inhibiting the MAPK and NF-κB pathways and activating the AMPK/NRF2 signaling. Therefore, glycyrrhizin may be used as an effective therapeutic agent against osteoporosis and bone resorption.
Collapse
Affiliation(s)
- Zhikun Li
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China
| | - Chao Chen
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China
| | - Xiaodong Zhu
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China
| | - Yifan Li
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China
| | - Ronghua Yu
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China
| | - Wei Xu
- Department of Spine Surgery, TongRen Hospital, School of Medicine, Shanghai Jiao Tong University, 1111 Xianxia Road, Shanghai, 200336, People's Republic of China.
| |
Collapse
|
17
|
Kaneko K, Miyamoto Y, Tsukuura R, Sasa K, Akaike T, Fujii S, Yoshimura K, Nagayama K, Hoshino M, Inoue S, Maki K, Baba K, Chikazu D, Kamijo R. 8-Nitro-cGMP is a promoter of osteoclast differentiation induced by RANKL. Nitric Oxide 2017; 72:46-51. [PMID: 29183803 DOI: 10.1016/j.niox.2017.11.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 11/07/2017] [Accepted: 11/17/2017] [Indexed: 10/18/2022]
Abstract
Osteoclasts are multinucleated giant cells differentiated from monocyte-macrophage-lineage cells under stimulation of receptor activator of nuclear factor κ-B (RANK) ligand (RANKL) produced by osteoblasts and osteocytes. Although it has been reported that nitric oxide (NO) and reactive oxygen species (ROS) are involved in this process, the mechanism by which these labile molecules promote osteoclast differentiation are not fully understood. In this study, we investigated the formation and function of 8-nitro-cGMP, a downstream molecule of NO and ROS, in the process of osteoclast differentiation in vitro. 8-Nitro-cGMP was detected in mouse bone marrow macrophages and osteoclasts differentiated from macrophages in the presence of RANKL. Inhibition of NO synthase suppressed the formation of 8-nitro-cGMP as well as RANKL-induced osteoclast differentiation from macrophages. On the other hand, RANKL-induced osteoclast differentiation was promoted by addition of 8-nitro-cGMP to the cultures. In addition, 8-nitro-cGMP enhanced the mRNA expression of RANK, the receptor for RANKL. However, 8-bromo-cGMP, a membrane-permeable derivative of cGMP, did not have an effect on either RANKL-induced osteoclast differentiation or expression of the RANK gene. These results suggest that 8-nitro-cGMP is a novel positive regulator of osteoclast differentiation, which might help to explain the roles of NO and ROS in osteoclast differentiation.
Collapse
Affiliation(s)
- K Kaneko
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - Y Miyamoto
- Department of Biochemistry, Showa University School of Dentistry, Japan.
| | - R Tsukuura
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - K Sasa
- Department of Biochemistry, Showa University School of Dentistry, Japan
| | - T Akaike
- Department of Environmental Health Sciences and Molecular Toxicology, Tohoku University Graduate School of Medicine, Japan
| | - S Fujii
- Department of Environmental Health Sciences and Molecular Toxicology, Tohoku University Graduate School of Medicine, Japan
| | - K Yoshimura
- Department of Biochemistry, Showa University School of Dentistry, Japan
| | - K Nagayama
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Orthodontics, Showa University School of Dentistry, Japan
| | - M Hoshino
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - S Inoue
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - K Maki
- Department of Orthodontics, Showa University School of Dentistry, Japan
| | - K Baba
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - D Chikazu
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - R Kamijo
- Department of Biochemistry, Showa University School of Dentistry, Japan
| |
Collapse
|
18
|
NADPH oxidase gp91 phox contributes to RANKL-induced osteoclast differentiation by upregulating NFATc1. Sci Rep 2016; 6:38014. [PMID: 27897222 PMCID: PMC5126560 DOI: 10.1038/srep38014] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 11/04/2016] [Indexed: 01/01/2023] Open
Abstract
Bone-marrow derived monocyte-macrophages (BMMs) differentiate into osteoclasts by M-CSF along subsequent RANKL stimulation possibly in collaboration with many other unknown cytokines released by pre- or mature osteoblasts. The differentiation process requires receptor activator of nuclear factor kappa-B ligand (RANKL)/RANK signaling and reactive oxygen species (ROS) such as superoxide anion (O2•−). Gp91phox, a plasma membrane subunit of NADPH oxidase (Nox), is constitutively expressed in BMMs and plays a major role in superoxide anion production. In this study, we found that mice deficient in gp91phox (gp91phox−/−) showed defects in osteoclast differentiation. Femurs of these mice produced osteoclasts at about 70% of the levels seen in femurs from wild-type mice, and accordingly exhibited excessive bone density. This abnormal bone growth in the femurs of gp91phox−/− mice resulted from impaired osteoclast differentiation. In addition, gp91phox−/− mice were defective for RANKL-induced expression of nuclear factor of activated T cells c1 (NFATc1). However, H2O2 treatment compensated for gp91phox deficiency in BMMs, almost completely rescuing osteoclast differentiation. Treating wild-type BMMs with antioxidants and superoxide inhibitors resulted in a differentiation defect resembling the phenotype of gp91phox−/− BMMs. Therefore, our results demonstrate that gp91phox-derived superoxide is important for promoting efficient osteoclast differentiation by inducing NFATc1 as a downstream signaling mediator of RANK.
Collapse
|
19
|
Oxidative stress in northern elephant seals: Integration of omics approaches with ecological and experimental studies. Comp Biochem Physiol A Mol Integr Physiol 2016; 200:94-103. [DOI: 10.1016/j.cbpa.2016.02.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 02/16/2016] [Accepted: 02/18/2016] [Indexed: 01/28/2023]
|
20
|
Ming W, Lu G, Xin S, Huanyu L, Yinghao J, Xiaoying L, Chengming X, Banjun R, Li W, Zifan L. Mitochondria related peptide MOTS-c suppresses ovariectomy-induced bone loss via AMPK activation. Biochem Biophys Res Commun 2016; 476:412-419. [PMID: 27237975 DOI: 10.1016/j.bbrc.2016.05.135] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Accepted: 05/25/2016] [Indexed: 12/11/2022]
Abstract
Therapeutic targeting bone loss has been the focus of the study in osteoporosis. The present study is intended to evaluate whether MOTS-c, a novel mitochondria related 16 aa peptide, can protect mice from ovariectomy-induced osteoporosis. After ovary removal, the mice were injected with MOTS-c at a dose of 5 mg/kg once a day for 12 weeks. Our results showed that MOTS-c treatment significantly alleviated bone loss, as determined by micro-CT examination. Mechanistically, we found that the receptor activator of nuclear factor-κB ligand (RANKL) induced osteoclast differentiation was remarkably inhibited by MOTS-c. Moreover, MOTS-c increased phosphorylated AMPK levels, and compound C, an AMPK inhibitor, could partially abrogate the effects of the MOTS-c on osteoclastogenesis. Thus, our findings provide evidence that MOTS-c may exert as an inhibitor of osteoporosis via AMPK dependent inhibition of osteoclastogenesis.
Collapse
Affiliation(s)
- Wei Ming
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China; Department of Pharmacology, Xi'an Medical University, Xi'an 710021, PR China.
| | - Gan Lu
- Department of Gynecology of Shaanxi Provincial People's Hospital, Xi'an, 710068, PR China.
| | - Sha Xin
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Lu Huanyu
- Department of Occupational and Environmental Health and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Jiang Yinghao
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Lei Xiaoying
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Xu Chengming
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Ruan Banjun
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Wang Li
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| | - Lu Zifan
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an 710032, PR China.
| |
Collapse
|
21
|
Downregulation of Runx2 by 1,25-Dihydroxyvitamin D₃ Induces the Transdifferentiation of Osteoblasts to Adipocytes. Int J Mol Sci 2016; 17:ijms17050770. [PMID: 27213351 PMCID: PMC4881589 DOI: 10.3390/ijms17050770] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 04/27/2016] [Accepted: 05/16/2016] [Indexed: 11/19/2022] Open
Abstract
1,25-Dihydroxyvitamin D3 (1,25(OH)2D3) indirectly stimulates bone formation, but little is known about its direct effect on bone formation. In this study, we observed that 1,25(OH)2D3 enhances adipocyte differentiation, but inhibits osteoblast differentiation during osteogenesis. The positive role of 1,25(OH)2D3 in adipocyte differentiation was confirmed when murine osteoblasts were cultured in adipogenic medium. Additionally, 1,25(OH)2D3 enhanced the expression of adipocyte marker genes, but inhibited the expression of osteoblast marker genes in osteoblasts. The inhibition of osteoblast differentiation and promotion of adipocyte differentiation mediated by 1,25(OH)2D3 were compensated by Runx2 overexpression. Our results suggest that 1,25(OH)2D3 induces the transdifferentiation of osteoblasts to adipocytes via Runx2 downregulation in osteoblasts.
Collapse
|
22
|
The Alternative Faces of Macrophage Generate Osteoclasts. BIOMED RESEARCH INTERNATIONAL 2016; 2016:9089610. [PMID: 26977415 PMCID: PMC4761668 DOI: 10.1155/2016/9089610] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 01/14/2016] [Accepted: 01/18/2016] [Indexed: 01/08/2023]
Abstract
The understanding of how osteoclasts are generated and whether they can be altered by inflammatory stimuli is a topic of particular interest for osteoclastogenesis. It is known that the monocyte/macrophage lineage gives rise to osteoclasts (OCs) by the action of macrophage colony stimulating factor (M-CSF) and receptor activator of nuclear factor-kB ligand (RANKL), which induce cell differentiation through their receptors, c-fms and RANK, respectively. The multinucleated giant cells (MGCs) generated by the engagement of RANK/RANKL are typical OCs. Nevertheless, very few studies have addressed the question of which subset of macrophages generates OCs. Indeed, two main subsets of macrophages are postulated, the inflammatory or classically activated type (M1) and the anti-inflammatory or alternatively activated type (M2). It has been proposed that macrophages can be polarized in vitro towards a predominantly M1 or M2 phenotype with the addition of granulocyte macrophage- (GM-) CSF or M-CSF, respectively. Various inflammatory stimuli known to induce macrophage polarization, such as LPS or TNF-α, can alter the type of MGC obtained from RANKL-induced differentiation. This review aims to highlight the role of immune-related stimuli and factors in inducing macrophages towards the osteoclastogenesis choice.
Collapse
|