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Kats A, Gerasimcik N, Näreoja T, Nederberg J, Grenlöv S, Lagnöhed E, Desai S, Andersson G, Yucel-Lindberg T. Aminothiazoles inhibit osteoclastogenesis and PGE 2 production in LPS-stimulated co-cultures of periodontal ligament and RAW 264.7 cells, and RANKL-mediated osteoclastogenesis and bone resorption in PBMCs. J Cell Mol Med 2018; 23:1152-1163. [PMID: 30506812 PMCID: PMC6349150 DOI: 10.1111/jcmm.14015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 07/17/2018] [Accepted: 10/09/2018] [Indexed: 12/18/2022] Open
Abstract
Inflammatory mediator prostaglandin E2 (PGE2 ) contributes to bone resorption in several inflammatory conditions including periodontitis. The terminal enzyme, microsomal prostaglandin E synthase-1 (mPGES-1) regulating PGE2 synthesis is a promising therapeutic target to reduce inflammatory bone loss. The aim of this study was to investigate effects of mPGES-1 inhibitors, aminothiazoles TH-848 and TH-644, on PGE2 production and osteoclastogenesis in co-cultures of periodontal ligament (PDL) and osteoclast progenitor cells RAW 264.7, stimulated by lipopolysaccharide (LPS), and bone resorption in RANKL-mediated peripheral blood mononuclear cells (PBMCs). PDL and RAW 264.7 cells were cultured separately or co-cultured and treated with LPS alone or in combination with aminothiazoles. Multinucleated cells stained positively for tartrate-resistant acid phosphatase (TRAP) were scored as osteoclast-like cells. Levels of PGE2 , osteoprotegerin (OPG) and interleukin-6, as well as mRNA expression of mPGES-1, OPG and RANKL were analysed in PDL cells. PBMCs were treated with RANKL alone or in combination with aminothiazoles. TRAP-positive multinucleated cells were analysed and bone resorption was measured by the CTX-I assay. Aminothiazoles reduced LPS-stimulated osteoclast-like cell formation both in co-cultures and in RAW 264.7 cells. Additionally, aminothiazoles inhibited PGE2 production in LPS-stimulated cultures, but did not affect LPS-induced mPGES-1, OPG or RANKL mRNA expression in PDL cells. In PBMCs, inhibitors decreased both osteoclast differentiation and bone resorption. In conclusion, aminothiazoles reduced the formation of osteoclast-like cells and decreased the production of PGE2 in co-cultures as well as single-cell cultures. Furthermore, these compounds inhibited RANKL-induced bone resorption and differentiation of PBMCs, suggesting these inhibitors for future treatment of inflammatory bone loss such as periodontitis.
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Affiliation(s)
- Anna Kats
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Natalija Gerasimcik
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Tuomas Näreoja
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden
| | - Jonas Nederberg
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Simon Grenlöv
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Ekaterina Lagnöhed
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
| | - Suchita Desai
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden
| | - Göran Andersson
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden
| | - Tülay Yucel-Lindberg
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Huddinge, Sweden
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152
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Pohl S, Angermann A, Jeschke A, Hendrickx G, Yorgan TA, Makrypidi-Fraune G, Steigert A, Kuehn SC, Rolvien T, Schweizer M, Koehne T, Neven M, Winter O, Velho RV, Albers J, Streichert T, Pestka JM, Baldauf C, Breyer S, Stuecker R, Muschol N, Cox TM, Saftig P, Paganini C, Rossi A, Amling M, Braulke T, Schinke T. The Lysosomal Protein Arylsulfatase B Is a Key Enzyme Involved in Skeletal Turnover. J Bone Miner Res 2018; 33:2186-2201. [PMID: 30075049 DOI: 10.1002/jbmr.3563] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 06/10/2018] [Accepted: 06/20/2018] [Indexed: 12/24/2022]
Abstract
Skeletal pathologies are frequently observed in lysosomal storage disorders, yet the relevance of specific lysosomal enzymes in bone remodeling cell types is poorly defined. Two lysosomal enzymes, ie, cathepsin K (Ctsk) and Acp5 (also known as tartrate-resistant acid phosphatase), have long been known as molecular marker proteins of differentiated osteoclasts. However, whereas the cysteine protease Ctsk is directly involved in the degradation of bone matrix proteins, the molecular function of Acp5 in osteoclasts is still unknown. Here we show that Acp5, in concert with Acp2 (lysosomal acid phosphatase), is required for dephosphorylation of the lysosomal mannose 6-phosphate targeting signal to promote the activity of specific lysosomal enzymes. Using an unbiased approach we identified the glycosaminoglycan-degrading enzyme arylsulfatase B (Arsb), mutated in mucopolysaccharidosis type VI (MPS-VI), as an osteoclast marker, whose activity depends on dephosphorylation by Acp2 and Acp5. Similar to Acp2/Acp5-/- mice, Arsb-deficient mice display lysosomal storage accumulation in osteoclasts, impaired osteoclast activity, and high trabecular bone mass. Of note, the most prominent lysosomal storage accumulation was observed in osteocytes from Arsb-deficient mice, yet this pathology did not impair production of sclerostin (Sost) and Fgf23. Because the influence of enzyme replacement therapy (ERT) on bone remodeling in MPS-VI is still unknown, we additionally treated Arsb-deficient mice by weekly injection of recombinant human ARSB from 12 to 24 weeks of age. We found that the high bone mass phenotype of Arsb-deficient mice and the underlying bone cell deficits were fully corrected by ERT in the trabecular compartment. Taken together, our results do not only show that the function of Acp5 in osteoclasts is linked to dephosphorylation and activation of lysosomal enzymes, they also provide an important proof-of-principle for the feasibility of ERT to correct bone cell pathologies in lysosomal storage disorders. © 2018 The Authors. Journal of Bone and Mineral Research Published by Wiley Periodicals Inc.
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Affiliation(s)
- Sandra Pohl
- Department of Biochemistry, Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Alexandra Angermann
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anke Jeschke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Gretl Hendrickx
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Timur A Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Georgia Makrypidi-Fraune
- Department of Biochemistry, Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anita Steigert
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sonja C Kuehn
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tim Rolvien
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Michaela Schweizer
- Department of Electron Microscopy, Center of Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Till Koehne
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Orthodontics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Mona Neven
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Olga Winter
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Renata Voltolini Velho
- Department of Biochemistry, Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Joachim Albers
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Streichert
- Department of Clinical Chemistry, University Hospital Cologne, Cologne, Germany
| | - Jan M Pestka
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christina Baldauf
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sandra Breyer
- Department of Orthopedics, Children's Hospital Hamburg-Altona, Hamburg, Germany
| | - Ralf Stuecker
- Department of Orthopedics, Children's Hospital Hamburg-Altona, Hamburg, Germany
| | - Nicole Muschol
- Department of Electron Microscopy, Center of Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Timothy M Cox
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Paul Saftig
- Institute of Biochemistry, Christian-Albrechts-University, Kiel, Germany
| | - Chiara Paganini
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Antonio Rossi
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Braulke
- Department of Biochemistry, Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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153
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Cordycepin Accelerates Osteoblast Mineralization and Attenuates Osteoclast Differentiation In Vitro. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:5892957. [PMID: 30410556 PMCID: PMC6206560 DOI: 10.1155/2018/5892957] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/05/2018] [Accepted: 10/10/2018] [Indexed: 11/17/2022]
Abstract
Bone homeostasis destruction is triggered by the uncontrolled activity of osteoblasts and osteoclasts. Targeting both the regulation of bone formation and resorption is a promising strategy for treating bone disorders. Cordycepin is a major component of Chinese caterpillar fungus Cordyceps militaris. It exerts a variety of biological actions in various cells and animal models. However, its function on bone metabolism remains unclear. In the present study, we discovered a dual-action function of cordycepin in murine MC3T3-E1 and RAW264.7 cells. MC3T3-E1 cells were cultured in an osteogenic medium in the presence of 1 μM cordycepin for up two weeks. Cordycepin was used for effects of osteoblast and osteoclast differentiation. Cell viability was measured using the MTT assay. Osteoblast differentiation was confirmed by alizarin red staining, ALP activity, western blot, and real-time PCR. Osteoclast differentiation and autophagic activity were confirmed via TRAP staining, pit formation assay, confocal microscopy, western blot, and real-time PCR. Cordycepin promoted osteoblast differentiation, matrix mineralization, and induction of osteoblast markers via BMP2/Runx2/Osterix pathway. On the other hand, RAW264.7 cells were differentiated into osteoclast by RANKL treatment for 72 h. 1 μM cordycepin significantly inhibited RANKL-induced osteoclast formation and resorption activity through disturbing the actin ring-formatted sealing zone and activating cathepsin K and MMP9. These findings indicate that cordycepin might be an innovative dual-action therapeutic agent for bone disease caused by an imbalance of osteoblasts and osteoclasts.
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154
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Lee JS, Kim MH, Lee H, Yang WM. Anemarrhena asphodeloides Bunge ameliorates osteoporosis by suppressing osteoclastogenesis. Int J Mol Med 2018; 42:3613-3621. [PMID: 30272269 DOI: 10.3892/ijmm.2018.3908] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 09/26/2018] [Indexed: 11/05/2022] Open
Abstract
Anemarrhena asphodeloides Bunge has been traditionally used in Korean medicine for its antipyretic, diuretic, sedative, and antitussive effects. In the present study, the effects of an ethanol extract of A. asphodeloides Bunge (AAB) on osteoporosis and its underlying mechanisms on bone remodeling were investigated. Osteoporosis was induced in ICR strain mice by ovariectomy. The mice were divided into four groups: sham, ovariectomized, 17β‑estradiol and 100 mg/kg AAB. The treatment was continued for 4 weeks. Bone mineral density (BMD) and bone mineral content (BMC) were measured using dual‑energy X‑ray absorptiometry. In addition, Raw 264.7 cells were treated in the presence of 0.1, 1 and 10 µg/ml AAB with 100 ng/ml receptor activator of nuclear factor κΒ ligand (RANKL) to induce osteoclast formation and stained with tartrate resistant acid phosphatase. In addition, levels of osteoclast‑related factors were analyzed to investigate the signaling cascades in osteoclasts. The results demonstrated that AAB treatment reversed the decreases of both BMD and BMC in osteoporotic femurs. Additionally, the formation of osteoclasts was significantly suppressed by the AAB treatment in RANKL‑stimulated Raw 264.7 cells. Compared with cells treated with RANKL alone, the AAB‑treated osteoclasts had significantly decreased tumor necrosis factor‑α and interleukin‑6. The protein levels of c‑fos were also decreased in the AAB‑treated osteoclasts. Furthermore, the RANKL‑induced nuclear translocation of nuclear factor‑κB was attenuated in osteoclasts by the AAB treatment compared with cells treated with RANKL alone. Finally, AAB treatment downregulated the phosphorylation of mitogen‑activated protein kinases. The present results demonstrated that AAB exhibited ameliorative effects on osteoporosis by inhibiting osteoclastogenesis, and suggested that AAB may be a potential candidate for the treatment of osteoporosis.
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Affiliation(s)
- Jae Sung Lee
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi Hye Kim
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Haesu Lee
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woong Mο Yang
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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155
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Responses to spaceflight of mouse mandibular bone and teeth. Arch Oral Biol 2018; 93:163-176. [DOI: 10.1016/j.archoralbio.2018.06.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 06/05/2018] [Accepted: 06/06/2018] [Indexed: 12/13/2022]
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156
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Abu-Serie MM, Habashy NH. The ameliorating effect of the combined extract from Greek Thymus vulgaris and bee's honey on the hydrocortisone-induced osteoporosis in rat bone cells via modulating the bone turnover, oxidative stress, and inflammation. RSC Adv 2018; 8:28341-28355. [PMID: 35542490 PMCID: PMC9084251 DOI: 10.1039/c8ra04370a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/31/2018] [Indexed: 11/30/2022] Open
Abstract
Many of the functional foods are designed to decrease the risk of chronic diseases like osteoporosis (OP) which is the most common bone disorder affecting millions of people. For the first time, the present study evaluated the effect of the combination between the Greek Thymus vulgaris water extract (TVE) and bee's honey (BH) against hydrocortisone (HC)-induced OP in vitro. The characterization of TVE, BH, and their combined extract (TV-BH) was examined. In addition, the current work assessed the bone turnover, oxidative stress, and inflammatory markers in bone cells. The results revealed the presence of considerable amounts of phenolics, flavonoids, anthocyanins, and flavonols in TVE and BH as well as important minerals and vitamins for the bone health. The TV-BH showed a synergistic (combination index <1) attenuation effect for the HC-induced bone cell damage through significant (p < 0.05) up-regulation of the hydroxyapatite, osteocalcin, phosphorous, and collagen contents. In addition, it significantly (p < 0.05) suppressed the tartrate-resistant acid phosphatase activity and hydroxyproline level as well as the oxidative and inflammatory stress. Data also observed the more potent anti-osteoporotic effect of the combined extract than the commonly used bisphosphonate drug (alendronate). In conclusion, the administration of TV-BH improved the glucocorticoid-induced bone damage, inflammation, and oxidative stress and as a result, it might be a promising therapeutic option for the OP disorder.
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Affiliation(s)
- Marwa M Abu-Serie
- Department of Medical Biotechnology, Genetic Engineering, Biotechnology Research Institute, City for Scientific Research and Technology Applications (SRTA-City) New Borg EL-Arab 21934 Alexandria Egypt
| | - Noha H Habashy
- Biochemistry Department, Faculty of Science, Alexandria University Alexandria 21511 Egypt +20-2(03) 3911794 +20 1273431731
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157
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Dawodu D, Patecki M, Hegermann J, Dumler I, Haller H, Kiyan Y. oxLDL inhibits differentiation and functional activity of osteoclasts via scavenger receptor-A mediated autophagy and cathepsin K secretion. Sci Rep 2018; 8:11604. [PMID: 30072716 PMCID: PMC6072764 DOI: 10.1038/s41598-018-29963-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 07/19/2018] [Indexed: 12/24/2022] Open
Abstract
Resorptive activity of osteoclasts is important for maintaining bone homeostasis. Endogenous compounds such as oxidized low density lipoprotein (oxLDL) have been shown to disturb this activity. While some studies have investigated the effects of oxLDL on the process of osteoclastogenesis, the underlying mechanism are not fully understood. We show here that oxLDL concentrations of ~10-25 µg protein (0.43-1.0 µM MDA/mg protein) completely blocked the formation of functional osteoclasts. The underlying mechanism implies an inhibition of autophagy that in turn leads to a decreased fusion of cathepsin K (CatK)-loaded lysosomal vesicles with the ruffled border membrane. As result, a lower secretion of CatK and impaired protonation of the resorption lacunae by vacuolar-ATPase (v-ATPase) is observed in the presence of oxLDL. We demonstrate that scavenger receptor A (SR-A) mediates oxLDL effects on osteoclastogenesis and repressing this receptor partially rescued oxLDL effects. Collectively, our data provides an insight into the possible mechanism of oxLDL on osteoclastogenesis suggesting that it does not perturb the packaging of CatK and v-ATPase (V-a3) in the secretory lysosome, but inhibits the fusion of these lysosomes to the ruffled border. The relevance of our findings suggests a distinct link between oxLDL, autophagy and osteoclastogenesis.
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Affiliation(s)
- Damilola Dawodu
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Margret Patecki
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Jan Hegermann
- Research Core Unit Electron Microscopy, Hannover Medical School, Hannover, Germany
| | - Inna Dumler
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany
| | - Yulia Kiyan
- Department of Nephrology and Hypertensiology, Hannover Medical School, Hannover, Germany.
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158
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Rößler S, Heinemann C, Kruppke B, Wagner AS, Wenisch S, Wiesmann HP, Hanke T. Manipulation of osteoclastogenesis: Bioactive multiphasic silica/collagen composites and their effects of surface and degradation products. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:265-276. [PMID: 30274058 DOI: 10.1016/j.msec.2018.07.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 05/12/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
Abstract
The intent of the present study was to demonstrate that multiphasic silica/collagen xerogels are able to manipulate cellular processes. These xerogels were prepared by a sol-gel approach allowing the incorporation of mineral phases. The resulting nanocomposites are designed as biomaterial for bone regeneration. Human osteoclasts derived from peripheral blood mononuclear cells were cultured both indirectly and directly, either in presence of different xerogel types or on their surface, to investigate the factor with the main influence on osteoclastogenesis. To this end, the incorporation of a third phase to silica/collagen xerogels was used to affect osteoclastogenesis. In cell culture, ambient ion conditions controlled by both the degradation products of the xerogel and the bioactivity-dependent ion release and reprecipitation were shown to have the main effect on osteoclast specific enzyme tartrate-resistant acid phosphatase (TRAP) 5b. Late stage of osteoclastogenesis characterized by resorption was strongly dependent on the xerogels composition. Surface chemistry of the xerogels was displayed to play an important role in osteoclast resorption. Biphasic silica/collagen xerogels and triphasic xerogels with calcium carbonate offered widespread resorbed areas, whereas hydroxyapatite containing xerogels showed distinctly reduced resorption. The incorporation of strontium carbonate and phosphate, respectively, as third phase changed TRAP 5b activity dose-dependently and inhibited resorption within 21 days. Quantitative evaluation on osteoclast differentiation was carried out using biochemical methods (TRAP 5b, cathepsin K) and was supported by confocal laser scanning microscopy and scanning electron microscopy (SEM). Qualitative estimation of resorption was carried out by SEM.
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Affiliation(s)
- S Rößler
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technical University Dresden, Budapester Str. 27, D-01069 Dresden, Germany.
| | - C Heinemann
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technical University Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - B Kruppke
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technical University Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - A S Wagner
- Department of Veterinary Clinical Science, Small Animal Clinic c/o Institute of Veterinary-Anatomy, -Histology and -Embryology, University Giessen, Frankfurter Str. 98, D-35392 Giessen, Germany
| | - S Wenisch
- Department of Veterinary Clinical Science, Small Animal Clinic c/o Institute of Veterinary-Anatomy, -Histology and -Embryology, University Giessen, Frankfurter Str. 98, D-35392 Giessen, Germany
| | - H P Wiesmann
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technical University Dresden, Budapester Str. 27, D-01069 Dresden, Germany
| | - T Hanke
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technical University Dresden, Budapester Str. 27, D-01069 Dresden, Germany
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159
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Dutra EH, O'Brien MH, Logan C, Tadinada A, Nanda R, Yadav S. Loading of the Condylar Cartilage Can Rescue the Effects of Botox on TMJ. Calcif Tissue Int 2018; 103:71-79. [PMID: 29327231 DOI: 10.1007/s00223-017-0385-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 12/29/2017] [Indexed: 01/30/2023]
Abstract
The purpose of this study is to evaluate whether the effects of botulinum neurotoxin (botox) injection into the masseter in the mandibular condylar cartilage (MCC) and subchondral bone could be rescued by compressive loading of the temporomandibular joint (TMJ). Twenty-four 6-week-old female mice (C57BL/6J) were used. Mice were divided in three groups: (1) Botox (n = 8); (2) Botox plus loading (n = 8); (3) Pure control (n = 8). Bone labels (3 and 1 day before sacrifice) and the proliferation marker EdU (2 and 1 day before sacrifice) were intraperitoneally injected into all groups of mice. Condyles were dissected and examined by micro-CT and histology. Sagittal sections of condyles were stained for TRAP, alkaline phosphatase, EdU, TUNEL, and toluidine blue. In addition, immunostaining for pSmad, VEGF, and Runx2 was performed. Bone volume fraction, tissue density, and trabecular thickness were significantly decreased on the subchondral bone of botox-injected side when compared to control side and control mice, 4 weeks after injection. Furthermore, histological analysis revealed decrease in mineralization, matrix deposition, TRAP activity, EdU, and TUNEL-positive cells in the MCC of the botox-injected side, 4 weeks after injection. However, compressive loading reversed the reduced bone volume and density and the cellular changes in the MCC caused by Botox injection. TMJ compressive loading rescues the negative effects of botox injection into the masseter in the MCC and subchondral bone.
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Affiliation(s)
- Eliane H Dutra
- Department of Orthodontics, University of Connecticut Health Center, 263 Farmington Avenue, MC1725, Farmington, CT, 06030, USA
| | - Mara H O'Brien
- Department of Orthodontics, University of Connecticut Health Center, 263 Farmington Avenue, MC1725, Farmington, CT, 06030, USA
| | - Candice Logan
- School of Dental Medicine, University of Connecticut Health Center, Farmington, CT, USA
| | - Aditya Tadinada
- Department of Oral/Maxillofacial Diagnostic Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Ravindra Nanda
- Department of Orthodontics, University of Connecticut Health Center, 263 Farmington Avenue, MC1725, Farmington, CT, 06030, USA
| | - Sumit Yadav
- Department of Orthodontics, University of Connecticut Health Center, 263 Farmington Avenue, MC1725, Farmington, CT, 06030, USA.
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160
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Pereira M, Petretto E, Gordon S, Bassett JHD, Williams GR, Behmoaras J. Common signalling pathways in macrophage and osteoclast multinucleation. J Cell Sci 2018; 131:131/11/jcs216267. [PMID: 29871956 DOI: 10.1242/jcs.216267] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Macrophage cell fusion and multinucleation are fundamental processes in the formation of multinucleated giant cells (MGCs) in chronic inflammatory disease and osteoclasts in the regulation of bone mass. However, this basic cell phenomenon is poorly understood despite its pathophysiological relevance. Granulomas containing multinucleated giant cells are seen in a wide variety of complex inflammatory disorders, as well as in infectious diseases. Dysregulation of osteoclastic bone resorption underlies the pathogenesis of osteoporosis and malignant osteolytic bone disease. Recent reports have shown that the formation of multinucleated giant cells and osteoclast fusion display a common molecular signature, suggesting shared genetic determinants. In this Review, we describe the background of cell-cell fusion and the similar origin of macrophages and osteoclasts. We specifically focus on the common pathways involved in osteoclast and MGC fusion. We also highlight potential approaches that could help to unravel the core mechanisms underlying bone and granulomatous disorders in humans.
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Affiliation(s)
- Marie Pereira
- Centre for Inflammatory Disease, Imperial College London, London W12 0NN, UK
| | - Enrico Petretto
- Duke-NUS Medical School, Singapore 169857, Republic of Singapore
| | - Siamon Gordon
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan City 33302, Taiwan.,Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - J H Duncan Bassett
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, London W12 0NN, UK
| | - Graham R Williams
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, London W12 0NN, UK
| | - Jacques Behmoaras
- Centre for Inflammatory Disease, Imperial College London, London W12 0NN, UK
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161
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Yu FY, Xie CQ, Sun JT, Peng W, Huang XW. Overexpressed miR-145 inhibits osteoclastogenesis in RANKL-induced bone marrow-derived macrophages and ovariectomized mice by regulation of Smad3. Life Sci 2018; 202:11-20. [PMID: 29577879 DOI: 10.1016/j.lfs.2018.03.042] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/12/2018] [Accepted: 03/21/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND MicroRNAs (miRs) play an important role in osteoclastogenesis. However, no study has investigated the underlying molecular mechanisms of miR-145 in this process. The purpose of the present study was to investigate the role of miR-145 and its post-transcriptional mechanism in the progression of osteoclast differentiation. METHODS Macrophage colony stimulating factor (M-CSF) and receptor activator of nuclear factor-kB ligand (RANKL) were used to induce osteoclastogenesis originated from bone marrow-derived macrophages (BMMs). Female C57BL/6J mice were divided into sham, OVX, OVX + NC-agomir and OVX + miR-145-agomir groups. Tartrate-resistant acid phosphatase (TRAP) staining was performed to identify osteoclasts in-vitro and in-vivo. The mRNA and protein levels in osteoclast and tibia were assayed by qRT-PCR and western blotting, respectively. RESULTS miR-145 expression was inhibited in RANKL-induced osteoclastogenesis, whereas overexpression of miR-145 attenuated it. We further found that Smad3 is a direct target gene of miR-145 by binding with its 3'-UTR. Overexpression of miR-145 significantly suppressed Smad3 mRNA and protein expression. In-vivo, miR-145 agomir treatment inhibited osteoclast activity in OVX mice by inhibiting Smad3 expression. CONCLUSION We provide the evidence that over-expression of miR-145 could inhibit osteoclast differentiation, at least partially, by decreasing Smad3 expression.
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Affiliation(s)
- Fang-Yuan Yu
- Department of Orthopedic, the 309th Hospital of PLA, Beijing 100091, China
| | - Cong-Qin Xie
- Department of Orthopedic, the 309th Hospital of PLA, Beijing 100091, China
| | - Ji-Tong Sun
- Department of Orthopedic, the 309th Hospital of PLA, Beijing 100091, China
| | - Wei Peng
- Department of Orthopedic, the 309th Hospital of PLA, Beijing 100091, China
| | - Xun-Wu Huang
- Department of Orthopedic, the 309th Hospital of PLA, Beijing 100091, China.
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162
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Johnson L, Almeida-da-Silva CLC, Takiya CM, Figliuolo V, Rocha GM, Weissmüller G, Scharfstein J, Coutinho-Silva R, Ojcius DM. Oral infection of mice with Fusobacterium nucleatum results in macrophage recruitment to the dental pulp and bone resorption. Biomed J 2018; 41:184-193. [PMID: 30080658 PMCID: PMC6138822 DOI: 10.1016/j.bj.2018.05.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 04/01/2018] [Accepted: 05/08/2018] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Fusobacterium nucleatum is a Gram-negative anaerobic bacterium associated with periodontal disease. Some oral bacteria, like Porphyromonas gingivalis, evade the host immune response by inhibiting inflammation. On the other hand, F. nucleatum triggers inflammasome activation and release of danger-associated molecular patterns (DAMPs) in infected gingival epithelial cells. METHODS In this study, we characterized the pro-inflammatory response to F. nucleatum oral infection in BALB/c mice. Western blots and ELISA were used to measure cytokine and DAMP (HMGB1) levels in the oral cavity after infection. Histology and flow cytometry were used to observe recruitment of immune cells to infected tissue and pathology. RESULTS Our results show increased expression and production of pro-inflammatory cytokines during infection. Furthermore, we observe that F. nucleatum infection leads to recruitment of macrophages in different tissues of the oral cavity. Infection also contributes to osteoclast recruitment, which could be involved in the observed bone resorption. CONCLUSIONS Overall, our findings suggest that F. nucleatum infection rapidly induces inflammation, release of DAMPs, and macrophage infiltration in gingival tissues and suggest that osteoclasts may drive bone resorption at early stages of the inflammatory process.
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Affiliation(s)
- Larry Johnson
- Department of Biomedical Sciences, University of the Pacific, Arthur Dugoni School of Dentistry, San Francisco, CA, USA; Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cássio Luiz Coutinho Almeida-da-Silva
- Department of Biomedical Sciences, University of the Pacific, Arthur Dugoni School of Dentistry, San Francisco, CA, USA; Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Christina Maeda Takiya
- Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vanessa Figliuolo
- Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gustavo Miranda Rocha
- Molecular and Structural Biology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gilberto Weissmüller
- Molecular and Structural Biology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Julio Scharfstein
- Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Robson Coutinho-Silva
- Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - David M Ojcius
- Department of Biomedical Sciences, University of the Pacific, Arthur Dugoni School of Dentistry, San Francisco, CA, USA; Immunobiology Program, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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163
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Awasthi H, Mani D, Singh D, Gupta A. The underlying pathophysiology and therapeutic approaches for osteoporosis. Med Res Rev 2018; 38:2024-2057. [DOI: 10.1002/med.21504] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 02/28/2018] [Accepted: 04/04/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Harshika Awasthi
- Herbal Medicinal Products Department; CSIR-Central Institute of Medicinal and Aromatic Plants; Lucknow India
| | - Dayanandan Mani
- Herbal Medicinal Products Department; CSIR-Central Institute of Medicinal and Aromatic Plants; Lucknow India
| | - Divya Singh
- Division of Endocrinology; CSIR-Central Drug Research Institute; Lucknow India
| | - Atul Gupta
- Medicinal Chemistry Department; CSIR-Central Institute of Medicinal and Aromatic Plants; Lucknow India
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164
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Sezlev Bilecen D, Uludag H, Hasirci V. Development of PEI-RANK siRNA Complex Loaded PLGA Nanocapsules for the Treatment of Osteoporosis. Tissue Eng Part A 2018; 25:34-43. [PMID: 29652606 DOI: 10.1089/ten.tea.2017.0476] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Osteoporosis, which is characterized by low bone mineral density and susceptibility to fracture, is caused by increased osteoclastic activity. Receptor activator of nuclear factor kappa B ligand (RANKL)/RANK signaling plays an important role in osteoclast differentiation and activation. The current treatment strategies for osteoporosis do not directly address this underlying cause and generates undesired side effects. This led to emergence of controlled delivery systems to increase drug bioavailability and efficacy specifically at the bone tissue. With better understanding of molecular pathology of bone, the use of small interfering RNA (siRNA) to inhibit translation of abnormal gene expression in cells is becoming a promising approach. In this study, we report a siRNA delivery system consisting of PEI:RANK siRNA complex entrapped in nanosized poly(lactic acid-co-glycolic acid) (PLGA) capsules intended to be used in the treatment of osteoporosis. The nanosize will enable the nanoparticles to be administered by intravenous injection. The RANK siRNA was complexed with polyethylenimine (PEI) and loaded into biodegradable PLGA nanocapsules (NCs). The PEI:RANK siRNA loaded nanocapsules significantly reduced (47%) RANK mRNA levels. The differentiation of osteoclast precursors to mature osteoclasts was significantly suppressed (∼54%). The reduction in the osteoclastic activity of the differentiated osteoclasts (55%) was found to be statistically significant. The siRNA delivery system developed in the study is planned to be tested i.v. in mouse and has the potential to be used as a novel alternative approach for the systemic treatment of osteoporosis.
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Affiliation(s)
- Deniz Sezlev Bilecen
- 1 BIOMATEN, Middle East Technical University (METU) Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey.,2 Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Hasan Uludag
- 3 Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Canada
| | - Vasif Hasirci
- 1 BIOMATEN, Middle East Technical University (METU) Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey.,2 Department of Biotechnology, Middle East Technical University, Ankara, Turkey.,4 Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
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165
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Bachala D, El-Refai N, Greenfield E, Aminoshariae A, Mickel A. The Effect of Lunasin on Receptor Activator of Nuclear Factor Kappa-B Ligand-mediated Osteoclast Formation from RAW 264.7 Cells. J Endod 2018; 44:997-999. [PMID: 29680727 DOI: 10.1016/j.joen.2018.02.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 12/11/2017] [Accepted: 02/23/2018] [Indexed: 01/08/2023]
Abstract
INTRODUCTION To date, no study has investigated the antiresorptive property of lunasin. Hence, the present study aimed to assess the ability of lunasin to inhibit the osteoclast formation using RAW 264.7 cells. We hypothesized that lunasin is able to inhibit osteoclast formation. METHODS In the present study, the murine monocytic cell line RAW 264.7 was induced to differentiate into mature osteoclasts in the presence of recombinant receptor activator of nuclear factor kappa-B ligand. Tartrate-resistant acid phosphatase, a marker of osteoclasts, was used to identify osteoclasts. Cell lines were divided into different groups and exposed to different concentrations of 50 μmol/L, 75 μmol/L, and 100 μmol/L active and inactive lunasin. The control group was RAW 264.7 cells with receptor activator of nuclear factor kappa-B ligand. Tartrate-resistant acid phosphatase-positive cells of 3 or more nuclei, indicative of mature osteoclasts, were counted by 3 observers. The mean number of the data collected was analyzed using 1-way analysis of variance and the multiple comparison post hoc Bonferroni correction. RESULTS There was a significant difference in the reduction of osteoclast formation in all the active lunasin groups (P < .001) compared with the control group and the inactive lunasin group (P < .001). CONCLUSIONS Considering the suppressive effect of lunasin on osteoclastogenesis, the use of lunasin as a potential antiresorptive agent can be evaluated in future studies.
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Affiliation(s)
- Daisy Bachala
- Department of Endodontics, Case Western Reserve University School of Dental Medicine, Cleveland, Ohio
| | - Nivine El-Refai
- Department of Endodontics, Case Western Reserve University School of Dental Medicine, Cleveland, Ohio.
| | - Edward Greenfield
- Department of Orthopaedics, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Anita Aminoshariae
- Department of Endodontics, Case Western Reserve University School of Dental Medicine, Cleveland, Ohio
| | - Andre Mickel
- Department of Endodontics, Case Western Reserve University School of Dental Medicine, Cleveland, Ohio
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166
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Stimuli-responsive nanocarriers for delivery of bone therapeutics – Barriers and progresses. J Control Release 2018; 273:51-67. [DOI: 10.1016/j.jconrel.2018.01.021] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/21/2018] [Accepted: 01/22/2018] [Indexed: 12/21/2022]
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167
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Reinke DC, Starczak Y, Kogawa M, Barratt KR, Morris HA, Anderson PH, Atkins GJ. Evidence for altered osteoclastogenesis in splenocyte cultures from VDR knockout mice. J Steroid Biochem Mol Biol 2018; 177:96-102. [PMID: 28765041 DOI: 10.1016/j.jsbmb.2017.07.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/24/2017] [Accepted: 07/26/2017] [Indexed: 12/22/2022]
Abstract
The indirect action of 1α,25(OH)2-vitamin-D3 (1,25D) on the osteoclast through stromal signalling is well established. The role of vitamin D in osteoclasts through direct 1,25D-VDR signalling is less well known. We showed previously that local 1,25D synthesis in osteoclasts modified osteoclastogenesis and osteoclastic resorptive activity. In this study, we hypothesised that osteoclasts lacking VDR expression would display an enhanced resorptive capacity due to the loss of 1,25D signalling. Splenocytes were cultured under osteoclast-differentiating conditions from mice with global deletion of the Vdr gene (VDRKO) and this was compared with age-matched wild-type littermate controls (WT). In VDRKO cultures, osteoclastogenesis was reduced, as indicated by fewer TRAP-positive multinucleated cells at all time points measured (p<0.05) compared to WT levels. However, VDRKO osteoclasts demonstrated greater resorption on a per cell basis than their WT counterparts. VDRKO cultures expressed greatly increased c-Fos mRNA compared to WT. In addition, the ratio of expression of the pro-apoptotic gene Bax to the pro-survival gene Bcl-2 was decreased in VDRKO cultures, implying that these osteoclasts may survive longer than WT osteoclasts. Our data indicate abnormal osteoclastogenesis due to the absence of Vdr expression, consistent with direct effects of vitamin D signalling being important for regulating the maturation and resorptive activities of osteoclasts.
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Affiliation(s)
- Daniel C Reinke
- Biomedical Orthopaedic Research Group, Centre for Orthopaedic & Trauma Research, University of Adelaide, Australia
| | - Yolandi Starczak
- Biomedical Orthopaedic Research Group, Centre for Orthopaedic & Trauma Research, University of Adelaide, Australia; School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5005, Australia
| | - Masakazu Kogawa
- Biomedical Orthopaedic Research Group, Centre for Orthopaedic & Trauma Research, University of Adelaide, Australia
| | - Kate R Barratt
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5005, Australia
| | - Howard A Morris
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5005, Australia
| | - Paul H Anderson
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5005, Australia
| | - Gerald J Atkins
- Biomedical Orthopaedic Research Group, Centre for Orthopaedic & Trauma Research, University of Adelaide, Australia.
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168
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Wang C, He H, Wang L, Jiang Y, Xu Y. Reduced miR-144-3p expression in serum and bone mediates osteoporosis pathogenesis by targeting RANK. Biochem Cell Biol 2018; 96:627-635. [PMID: 29334613 DOI: 10.1139/bcb-2017-0243] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Osteoblasts and osteoclasts are responsible for the formation and resorption of bone, respectively. An imbalance between these two processes results in a disease called osteoporosis, in which a decreased level of bone strength increases the risk of a bone fracture. MicroRNAs (miRNAs) are small non-coding RNA molecules of 18-25 nucleotides that have been previously shown to control bone metabolism by regulating osteoblast and osteoclast differentiation. In this study, we detected the expression pattern of 10 miRNAs in serum samples from patients with osteoporosis, and identified the altered expression of 6 miRNAs by comparison with patients without osteoporosis. We selected miR-144-3p for further investigation, and showed that it regulates osteoclastogenesis by targeting RANK, and that it is conserved amongst vertebrates. Disrupted expression of miR-144-3p in CD14+ peripheral blood mononuclear cells changed TRAP activity and the osteoclast-specific genes TRAP, cathepsin K (CTSK), and NFATC. TRAP staining, CCK-8, and flow cytometry analyses revealed that miR-144-3p also affects osteoclast formation, proliferation, and apoptosis. Together, these results indicate that miR-144-3p critically mediates bone homeostasis, and thus, represents a promising novel therapeutic candidate for the treatment of this disease.
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Affiliation(s)
- Chunqing Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China.,Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China
| | - Hanliang He
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China.,Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China
| | - Liang Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China.,Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China
| | - Yu Jiang
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China.,Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China
| | - Youjia Xu
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China.,Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou 215004, China
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169
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Dutra EH, O'Brien MH, Lima A, Nanda R, Yadav S. A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle. J Vis Exp 2018. [PMID: 29364273 DOI: 10.3791/55998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The temporomandibular joint (TMJ) has the capacity to adapt to external stimuli, and loading changes can affect the position of condyles, as well as the structural and cellular components of the mandibular condylar cartilage (MCC). This manuscript describes methods for analyzing these changes and a method for altering the loading of the TMJ in mice (i.e., compressive static TMJ loading). The structural evaluation illustrated here is a simple morphometric approach that uses the Digimizer software and is performed in radiographs of small bones. In addition, the analysis of cellular changes leading to alterations in collagen expression, bone remodeling, cell division, and proteoglycan distribution in the MCC is described. The quantification of these changes in histological sections - by counting the positive fluorescent pixels using image software and measuring the distance mapping and stained area with Digimizer - is also demonstrated. The methods shown here are not limited to the murine TMJ, but could be used on additional bones of small experimental animals and in other regions of endochondral ossification.
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Affiliation(s)
- Eliane H Dutra
- Division of Orthodontics, University of Connecticut Health Center
| | - Mara H O'Brien
- Division of Orthodontics, University of Connecticut Health Center
| | - Alexandro Lima
- Division of Orthodontics, University of Connecticut Health Center
| | - Ravindra Nanda
- Division of Orthodontics, University of Connecticut Health Center
| | - Sumit Yadav
- Division of Orthodontics, University of Connecticut Health Center;
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170
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Kim HJ, Park C, Kim GY, Park EK, Jeon YJ, Kim S, Hwang HJ, Choi YH. Sargassum serratifolium attenuates RANKL-induced osteoclast differentiation and oxidative stress through inhibition of NF-κB and activation of the Nrf2/HO-1 signaling pathway. Biosci Trends 2018; 12:257-265. [PMID: 30012915 DOI: 10.5582/bst.2018.01107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Sargassum serratifolium C. Agardh is a marine brown alga that has long been used as an ingredient for food and medicine by many people living along Asian coastlines. Recently, various beneficial effects of extracts or compounds isolated from S. serratifolium have been reported, but their efficacies against bone destruction are unclear. Therefore, in this study, we investigated the inhibitory property of an ethanol extract of S. serratifolium (EESS) on osteoclast differentiation by focusing on the receptor activator of nuclear factor-κB ligand (RANKL)-stimulated osteoclastogenesis model using RAW 264.7 macrophages. Our results demonstrated that EESS reduced RANKL-induced osteoclast differentiation in RAW 264.7 cells, by inhibiting tartrate-resistant acid phosphatase (TRAP) activity and destroying the F-actin ring formation. EESS also attenuated RANKL-induced expressions of key osteoclast-specific genes, such as nuclear factor of activated T cells cytoplasmic 1 (NFATC1), TRAP, cathepsin K and matrix metalloproteinase-9. These effects were mediated by impaired nuclear translocation of nuclear factor (NF)-κB and suppression of IκB-α degradation. In addition, EESS effectively inhibited the production of reactive oxygen species (ROS) by RANKL, which was associated with enhanced expression of nuclear translocation of nuclear factor-erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). Overall, our findings provide evidence that EESS suppresses RANKL-induced osteoclastogenesis and oxidative stress through suppression of NF-κB and activation of Nrf2/HO-1 signaling pathway, indicating that S. serratifolium has a potential application the prevention and treatment of osteoclastogenic bone disease.
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Affiliation(s)
| | - Cheol Park
- Department of Molecular Biology, College of Natural Sciences, Dongeui University
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Institute for Hard Tissue and Biotooth Regeneration, Kyungpook National University
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University
| | - Suhkmann Kim
- Department of Chemistry, College of Natural Sciences, Center for Proteome Biophysics and Chemistry Institute for Functional Materials, Pusan National University
| | - Hye Jin Hwang
- Department of Food and Nutrition, College of Natural Sciences and Human Ecology, Dongeui University
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dongeui University
- Department of Biochemistry, Dongeui University College of Korean Medicine
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171
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Li L, Tong M, Zhao YT, He Y, Zhou HY, Zhang GF, Zhang YJ. Membrane translocation of Bruton kinase in multiple myeloma cells is associated with osteoclastogenic phenotype in bone metastatic lesions. Medicine (Baltimore) 2018; 97:e9482. [PMID: 29480835 PMCID: PMC5943844 DOI: 10.1097/md.0000000000009482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Using bone biopsy samples, we examined whether osteolytic cytokine profile is changed in situ in bone samples of metastatic multiple myeloma, and whether this creates an environment of lysis within the bone to which it has spread. This also produces the clinical features of increased circulating plasma calcium, and deleterious effects on the kidney.Using multiple myeloma biopsy and cell extracts from bone metastatic lesions, Bruton kinase, a tyrosine kinase, was demonstrated to be translocated to the membrane. Several transcription factors were upregulated included activin A, inflammatory transcription activator like such as nuclear factor kappa B, and specific bone lytic factor such as receptor activator of nuclear factor kappa-B ligand that is known to drive osteoclastogenesis as opposed to a osteogenic environment. The transcript for Bruton kinase was also elevated in its expression.Cytokines that support osteolytic activity such as a proliferation-inducing ligand, RANTES (regulated on activation, normal T cell expressed and secreted), interleukin-8, and activin A were upregulated. Tartrate resistant acid phosphatase (TRAP)-positive osteoclastic enzymatic activity was significantly elevated in the bone microenvironment in metastatic multiple myeloma. Several tyrosine kinase inhibitors, including inhibitors for Bruton kinase such as ibrutinib have been developed. The results of the present study provide evidence that multiple myeloma possess signal transduction mechanisms to support a bone lytic environment.The results provide a preliminary molecular basis to design specific inhibitors for management of bone metastasis of multiple myeloma.
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Affiliation(s)
- Li Li
- Department of Orthopedics, Traditional Chinese Medical Hospital of Xinjiang Uygur Autonomous Region, Urumqi
| | - Min Tong
- Department of Orthopedics, Traditional Chinese Medical Hospital of Xinjiang Uygur Autonomous Region, Urumqi
| | - Yi-ting Zhao
- Department of Clinical Laboratory, The Sixth Clinical Hospital of The Xinjiang Medical University, Xinjiang
| | - Yun He
- Department of Orthopedics, Traditional Chinese Medical Hospital of Xinjiang Uygur Autonomous Region, Urumqi
| | - Hong-yu Zhou
- Department of Orthopedics, Traditional Chinese Medical Hospital of Xinjiang Uygur Autonomous Region, Urumqi
| | - Guo-fu Zhang
- Department of Orthopedics, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Huangshi, Hubei, China
| | - Yuan-jin Zhang
- Department of Orthopedics, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Huangshi, Hubei, China
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172
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Chaverri D, Vives J. Toward the clinical use of circulating biomarkers predictive of bone union. Biomark Med 2017; 11:1125-1133. [PMID: 29182015 DOI: 10.2217/bmm-2017-0180] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Current methods for diagnosis of bone healing after treatment of trauma injuries rely on clinical findings and the use of imaging methodologies that provide conclusive results but only at mid/long-term post-intervention. In this Perspective we present and discuss incipient evidence on biomarkers that may serve for monitoring the progression of bone healing as well as predicting eventual nonunion outcomes.
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Affiliation(s)
- Daniel Chaverri
- Hospital ASEPEYO Sant Cugat, Avinguda Alcalde Barnils, 54-60, Sant Cugat del Vallès, 08174 Barcelona, Spain
| | - Joaquim Vives
- Servei de Teràpia Cel·lular, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig Taulat, 116, 08005 Barcelona, Spain.,Departament de Medicina, Universitat Autònoma de Barcelona, Passeig de la Vall d'Hebron 129-139, 08035 Barcelona, Spain.,Musculoskeletal Tissue Engineering Group, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Passeig de la Vall d'Hebron 129-139, 08035 Barcelona, Spain
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173
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Shanmugarajan S, Zhang Y, Moreno-Villanueva M, Clanton R, Rohde LH, Ramesh GT, Sibonga JD, Wu H. Combined Effects of Simulated Microgravity and Radiation Exposure on Osteoclast Cell Fusion. Int J Mol Sci 2017; 18:ijms18112443. [PMID: 29156538 PMCID: PMC5713410 DOI: 10.3390/ijms18112443] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 11/12/2017] [Accepted: 11/15/2017] [Indexed: 12/11/2022] Open
Abstract
The loss of bone mass and alteration in bone physiology during space flight are one of the major health risks for astronauts. Although the lack of weight bearing in microgravity is considered a risk factor for bone loss and possible osteoporosis, organisms living in space are also exposed to cosmic radiation and other environmental stress factors. As such, it is still unclear as to whether and by how much radiation exposure contributes to bone loss during space travel, and whether the effects of microgravity and radiation exposure are additive or synergistic. Bone is continuously renewed through the resorption of old bone by osteoclast cells and the formation of new bone by osteoblast cells. In this study, we investigated the combined effects of microgravity and radiation by evaluating the maturation of a hematopoietic cell line to mature osteoclasts. RAW 264.7 monocyte/macrophage cells were cultured in rotating wall vessels that simulate microgravity on the ground. Cells under static 1g or simulated microgravity were exposed to γ rays of varying doses, and then cultured in receptor activator of nuclear factor-κB ligand (RANKL) for the formation of osteoclast giant multinucleated cells (GMCs) and for gene expression analysis. Results of the study showed that radiation alone at doses as low as 0.1 Gy may stimulate osteoclast cell fusion as assessed by GMCs and the expression of signature genes such as tartrate resistant acid phosphatase (Trap) and dendritic cell-specific transmembrane protein (Dcstamp). However, osteoclast cell fusion decreased for doses greater than 0.5 Gy. In comparison to radiation exposure, simulated microgravity induced higher levels of cell fusion, and the effects of these two environmental factors appeared additive. Interestingly, the microgravity effect on osteoclast stimulatory transmembrane protein (Ocstamp) and Dcstamp expressions was significantly higher than the radiation effect, suggesting that radiation may not increase the synthesis of adhesion molecules as much as microgravity.
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Affiliation(s)
- Srinivasan Shanmugarajan
- NASA Johnson Space Center, Houston, TX 77058, USA.
- Department of Biological and Environmental Sciences, University of Houston Clear Lake, Houston, TX 77058, USA.
| | - Ye Zhang
- NASA Kennedy Space Center, Cape Canaveral, FL 32899, USA.
| | - Maria Moreno-Villanueva
- NASA Johnson Space Center, Houston, TX 77058, USA.
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany.
| | - Ryan Clanton
- Department of Nuclear Engineering, Texas A & M University, College Station, TX 77843, USA.
| | - Larry H Rohde
- Department of Biological and Environmental Sciences, University of Houston Clear Lake, Houston, TX 77058, USA.
| | | | | | - Honglu Wu
- NASA Johnson Space Center, Houston, TX 77058, USA.
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174
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Boorsma CE, van der Veen TA, Putri KSS, de Almeida A, Draijer C, Mauad T, Fejer G, Brandsma CA, van den Berge M, Bossé Y, Sin D, Hao K, Reithmeier A, Andersson G, Olinga P, Timens W, Casini A, Melgert BN. A Potent Tartrate Resistant Acid Phosphatase Inhibitor to Study the Function of TRAP in Alveolar Macrophages. Sci Rep 2017; 7:12570. [PMID: 28974738 PMCID: PMC5626781 DOI: 10.1038/s41598-017-12623-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 09/13/2017] [Indexed: 12/03/2022] Open
Abstract
The enzyme tartrate resistant acid phosphatase (TRAP, two isoforms 5a and 5b) is highly expressed in alveolar macrophages, but its function there is unclear and potent selective inhibitors of TRAP are required to assess functional aspects of the protein. We found higher TRAP activity/expression in lungs of patients with chronic obstructive pulmonary disease (COPD) and asthma compared to controls and more TRAP activity in lungs of mice with experimental COPD or asthma. Stimuli related to asthma and/or COPD were tested for their capacity to induce TRAP. Receptor activator of NF-κb ligand (RANKL) and Xanthine/Xanthine Oxidase induced TRAP mRNA expression in mouse macrophages, but only RANKL also induced TRAP activity in mouse lung slices. Several Au(III) coordination compounds were tested for their ability to inhibit TRAP activity and [Au(4,4′-dimethoxy-2,2′-bipyridine)Cl2][PF6] (AubipyOMe) was found to be the most potent inhibitor of TRAP5a and 5b activity reported to date (IC50 1.3 and 1.8 μM respectively). AubipyOMe also inhibited TRAP activity in murine macrophage and human lung tissue extracts. In a functional assay with physiological TRAP substrate osteopontin, AubipyOMe inhibited mouse macrophage migration over osteopontin-coated membranes. In conclusion, higher TRAP expression/activity are associated with COPD and asthma and TRAP is involved in regulating macrophage migration.
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Affiliation(s)
- Carian E Boorsma
- University of Groningen, Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - T Anienke van der Veen
- University of Groningen, Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Kurnia S S Putri
- University of Groningen, Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute for Pharmacy, Groningen, The Netherlands
| | | | - Christina Draijer
- University of Groningen, Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Thais Mauad
- São Paulo University, Department of Pathology, São Paulo, Brazil
| | - Gyorgy Fejer
- University of Plymouth, School of Biomedical and Healthcare Sciences, Peninsula Schools of Medicine and Dentistry, Plymouth, United Kingdom
| | - Corry-Anke Brandsma
- University of Groningen, University Medical Center Groningen, Department of Pathology, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Maarten van den Berge
- University of Groningen, University Medical Center Groningen, Department of Pulmonology, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Yohan Bossé
- Laval University, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Department of Molecular Medicine, Québec, Canada
| | - Don Sin
- University of British Columbia, James Hogg Research Center, Providence Heart+Lung Institute, St. Paul's Hospital, Vancouver, British Columbia, Canada.,University of British Columbia, Respiratory Division, Department of Medicine, Vancouver, British Columbia, Canada
| | - Ke Hao
- Merck Research Laboratories, Boston, Massachusetts, United States of America
| | - Anja Reithmeier
- Karolinska Institute, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University hospital, Huddinge, Stockholm, Sweden
| | - Göran Andersson
- Karolinska Institute, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University hospital, Huddinge, Stockholm, Sweden
| | - Peter Olinga
- University of Groningen, Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute for Pharmacy, Groningen, The Netherlands
| | - Wim Timens
- University of Groningen, University Medical Center Groningen, Department of Pathology, Groningen, The Netherlands.,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands
| | - Angela Casini
- University of Groningen, Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, Groningen, The Netherlands. .,School of Chemistry, Cardiff University, Cardiff, United Kingdom.
| | - Barbro N Melgert
- University of Groningen, Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, Groningen, The Netherlands. .,University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, The Netherlands.
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175
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In Vivo Murine Model of Leukemia Cell-Induced Spinal Bone Destruction. BIOMED RESEARCH INTERNATIONAL 2017; 2017:3521481. [PMID: 29312995 PMCID: PMC5637823 DOI: 10.1155/2017/3521481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 08/06/2017] [Accepted: 08/15/2017] [Indexed: 01/15/2023]
Abstract
Osteolytic bone lesions can be a consequence of leukemic bone infiltration or focal bone destruction by inflammatory factors released from leukemic cells. Destructive bone lesions have a negative impact on the quality of life of leukemia patients, causing unbearable pain and, in some cases, limb paralysis. However, the mechanism, by which leukemic cells produce destructive bone lesions, and the effect of therapeutics on osteolytic lesions have not been fully elucidated yet and, thus, stand to benefit from an in vivo model. To that end, HL-60 cells were transformed by retrovirus-mediated constitutively active (CA) STAT5 expression and injected into nonobese diabetic (NOD)/SCID mice via the tail vein. After three weeks, lumbar spines were subjected to histocytometric analysis. Xenograft mice developed hind limb paralysis in 2-3 weeks, which was consistent with the consequences of spinal bone destruction by extramedullary invasion of leukemia cells. The in vivo model will improve the understanding and treatment of osteolytic bone lesions caused by myeloid leukemic cells.
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176
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Wang W, Li M, Luo M, Shen M, Xu C, Xu G, Chen Y, Xia L. Naringenin inhibits osteoclastogenesis through modulation of helper T cells‐secreted IL‐4. J Cell Biochem 2017; 119:2084-2093. [PMID: 28834554 DOI: 10.1002/jcb.26370] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 08/22/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Wengang Wang
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Mingjun Li
- Department of OncologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Ming Luo
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Mingkui Shen
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Chen Xu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Genzhong Xu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Yaokun Chen
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
| | - Lei Xia
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanP.R. China
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177
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Lin DPL, Dass CR. Weak bones in diabetes mellitus – an update on pharmaceutical treatment options. J Pharm Pharmacol 2017; 70:1-17. [DOI: 10.1111/jphp.12808] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 07/26/2017] [Indexed: 12/14/2022]
Abstract
Abstract
Objectives
Diabetes mellitus is often associated with a number of complications such as nephropathy, neuropathy, retinopathy and foot ulcers. However, weak bone is a diabetic complication that is often overlooked. Although the exact mechanism for weak bones within diabetes mellitus is unclear, studies have shown that the mechanism does differ in both type I (T1DM) and type II diabetes (T2DM). This review, however, investigates the application of mesenchymal stem cells, recombinant human bone morphogenetic protein-2, teriparatide, insulin administration and the effectiveness of a peroxisome proliferator-activated receptor-ϒ modulator, netoglitazone in the context of diabetic weak bones.
Key findings
In T1DM, weak bones may be the result of defective osteoblast activity, the absence of insulin's anabolic effects on bone, the deregulation of the bone–pancreas negative feedback loop and advanced glycation end product (AGE) aggregation within the bone matrix as a result of hyperglycaemia. Interestingly, T2DM patients placed on insulin administration, thiazolidinediones, SGLT2 inhibitors and sulfonylureas have an associated increased fracture risk. T2DM patients are also observed to have high sclerostin levels that impair osteoblast gene transcription, AGE aggregation within bone, which compromises bone strength and a decrease in esRAGE concentration resulting in a negative association with vertebral fractures.
Summary
Effective treatment options for weak bones in the context of diabetes are currently lacking. There is certainly scope for discovery and development of novel agents that could alleviate this complication in diabetes patients.
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Affiliation(s)
- Daphne P L Lin
- School of Pharmacy, Curtin University, Bentley, WA 6102, Australia
- Curtin Health and Innovation Research Institute, Bentley, WA 6102, Australia
| | - Crispin R Dass
- School of Pharmacy, Curtin University, Bentley, WA 6102, Australia
- Curtin Health and Innovation Research Institute, Bentley, WA 6102, Australia
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178
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虞 佳, 汪 静. 抗酒石酸酸性磷酸酶在恶性肿瘤中的研究进展. Shijie Huaren Xiaohua Zazhi 2017; 25:2133-2138. [DOI: 10.11569/wcjd.v25.i23.2133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
抗酒石酸酸性磷酸酶(type 5 acid phosphatase/tartrate-resistant acid phosphatase, ACP5/TRACP/TRAP)是酸性磷酸酶家族中的金属蛋白酶, 是骨吸收和破骨细胞活性的良好标志物. 近来发现ACP5在多种肿瘤中的表达比配对正常组织中的表达显著上调, 该现象提示, ACP5可能肿瘤的发生发展中起到一定的作用.
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179
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Lu Y, Li M, Li L, Wei S, Hu X, Wang X, Shan G, Zhang Y, Xia H, Yin Q. High-activity chitosan/nano hydroxyapatite/zoledronic acid scaffolds for simultaneous tumor inhibition, bone repair and infection eradication. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 82:225-233. [PMID: 29025652 DOI: 10.1016/j.msec.2017.08.043] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 08/08/2017] [Accepted: 08/10/2017] [Indexed: 01/06/2023]
Abstract
Implanted biomaterials combined tumor inhibition and bone repair property are urgently needed to address the huge bone destruction and the high local recurrence following primary surgery in bone tumor therapy. In this work, a high-activity chitosan/nano hydroxyapatite (CS/nHA) scaffold containing zoledronic acid (CS/nHA/Zol) was prepared with a facile method. The prepared CS/nHA/Zol scaffolds exhibited excellent tumor inhibition property towards giant cell tumor of bone (GCT) in vitro through inducing cells apoptosis by up-regulating pro-apoptosis genes expression and reducing the osteoclastic activity of tumor cells by down-regulating osteoclastic genes. Meanwhile, the prepared scaffolds possessed well biocompatibility and osteoinductivity as compared to pure CS/nHA scaffolds. Furthermore, the prepared scaffolds also presented outstanding antibacterial activity against clinical pathogenic S. aureus and E. coli. These overall findings successfully demonstrated the prepared CS/nHA/Zol scaffolds had a multifunction of tumor therapy, bone repair, and antibacterium, which provides a new approach possessed promising advantages in bone tumor therapy.
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Affiliation(s)
- Yao Lu
- Southern Medical University, No. 1023, South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China; Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Mei Li
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Lihua Li
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Shuzhen Wei
- Department of Blood Bank, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Xiaoming Hu
- Southern Medical University, No. 1023, South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China; Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Xiaolan Wang
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Guiqiu Shan
- Department of Blood Bank, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Yu Zhang
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China
| | - Hong Xia
- Southern Medical University, No. 1023, South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China; Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China.
| | - Qingshui Yin
- Southern Medical University, No. 1023, South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China; Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command of PLA, No. 111, Liuhua Road, Yuexiu District, Guangzhou, Guangdong 510010, China.
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180
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Abstract
PURPOSE OF REVIEW Mounting evidence supporting the critical contribution of macrophages, in particular osteal macrophages, to bone regeneration is reviewed. We specifically examine the potential role of macrophages in the basic multicellular units coordinating lifelong bone regeneration via remodelling and bone regeneration in response to injury. We review and discuss the distinctions between macrophage and osteoclast contributions to bone homeostasis, particularly the dichotomous role of the colony-stimulating factor 1-colony-stimulating factor 1 receptor axis. RECENT FINDINGS The impact of inflammation associated with aging and other hallmarks of aging, including senescence, on macrophage function is addressed in the context of osteoporosis and delayed fracture repair. Resident macrophages versus recruited macrophage contributions to fracture healing are also discussed. We identify some of the remaining knowledge gaps that will need to be closed in order to maximise benefits from therapeutically modulating or mimicking the function of macrophages to improve bone health and regeneration over a lifetime.
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Affiliation(s)
- Lena Batoon
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Susan Marie Millard
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Liza Jane Raggatt
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
- Faculty of Medicine, The University of Queensland, Herston, QLD, 4092, Australia
| | - Allison Robyn Pettit
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
- Faculty of Medicine, The University of Queensland, Herston, QLD, 4092, Australia.
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181
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Liu Y, Du H, Wang Y, Liu M, Deng S, Fan L, Zhang L, Sun Y, Zhang Q. Osteoprotegerin-Knockout Mice Developed Early Onset Root Resorption. J Endod 2017; 42:1516-22. [PMID: 27663616 DOI: 10.1016/j.joen.2016.07.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 07/06/2016] [Accepted: 07/08/2016] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Recent studies indicate that the osteoprotegerin (OPG)/RANKL/RANK pathway takes part in root resorption. However, the relationship between OPG and root resorption is vague. The purpose of our study was to investigate the role of OPG in root resorption. METHODS The first molars of the mandibles of osteoprotegerin-knockout (Opg-KO) mice and wild-type (WT) mice were evaluated by micro-computed tomography, histology, and immunohistochemistry at 4, 6, 26, and 52 weeks. To detect the activity of the osteoclasts, we induced bone marrow macrophages into osteoclast-like cells from Opg-KO mice and wild-type mice in vitro and then compared their osteoclast activities. To evaluate the cementum quality, an osteoclast-cementum co-culture model was established in vitro. RESULTS In Opg-KO mice, root resorption began at the age of 4 weeks. At 6 weeks the cementum damage extended to the coronal and apical regions, and at 52 weeks the damage reached the predentin. At all observed stages, more tartrate-resistant acid phosphatase (TRAP)-positive cells were found on the surface of cementum in Opg-KO mice. In vitro, the mRNA levels of cathepsin K, TRAP, matrix metalloproteinase-9, and matrix metalloproteinase-1, as well as the protein expression of nuclear factor of activated T cell 1 and TRAP, increased significantly in osteoclast-like cells from Opg-KO mice. In addition, the cementum resorption pits of Opg-KO mice were larger when co-cultured with osteoclast-like cells. CONCLUSIONS Our study demonstrated that loss of OPG led to root resorption via increasing activation of osteoclasts and reducing mineralization of cementum.
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Affiliation(s)
- Yi Liu
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Haiming Du
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yunfei Wang
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Mengmeng Liu
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Shijian Deng
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Linlin Fan
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Lili Zhang
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yao Sun
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Qi Zhang
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China.
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182
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Chinetti-Gbaguidi G, Daoudi M, Rosa M, Vinod M, Louvet L, Copin C, Fanchon M, Vanhoutte J, Derudas B, Belloy L, Haulon S, Zawadzki C, Susen S, Massy ZA, Eeckhoute J, Staels B. Human Alternative Macrophages Populate Calcified Areas of Atherosclerotic Lesions and Display Impaired RANKL-Induced Osteoclastic Bone Resorption Activity. Circ Res 2017; 121:19-30. [DOI: 10.1161/circresaha.116.310262] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 04/18/2017] [Accepted: 04/20/2017] [Indexed: 11/16/2022]
Abstract
Rationale:
Vascular calcification is a process similar to bone formation leading to an inappropriate deposition of calcium phosphate minerals in advanced atherosclerotic plaques. Monocyte-derived macrophages, located in atherosclerotic lesions and presenting heterogeneous phenotypes, from classical proinflammatory M1 to alternative anti-inflammatory M2 macrophages, could potentially display osteoclast-like functions.
Objective:
To characterize the phenotype of macrophages located in areas surrounding the calcium deposits in human atherosclerotic plaques.
Methods and Results:
Macrophages near calcium deposits display an alternative phenotype being both CD68 and mannose receptor–positive, expressing carbonic anhydrase type II, but relatively low levels of cathepsin K. In vitro interleukin-4-polarization of human primary monocytes into macrophages results in lower expression and activity of cathepsin K compared with resting unpolarized macrophages. Moreover, interleukin-4 polarization lowers expression levels of the osteoclast transcriptional activator nuclear factor of activated T cells type c-1, associated with increased gene promoter levels of the transcriptional repression mark H3K27me3 (histone 3 lysine 27 trimethylation). Despite higher expression of the receptor activator of nuclear factor κB receptor, receptor activator of nuclear factor κB ligand/macrophage colony-stimulating factor induction of nuclear factor of activated T cells type c-1 and cathepsin K expression is defective in these macrophages because of reduced Erk/c-fos–mediated downstream signaling resulting in impaired bone resorption capacity.
Conclusions:
These results indicate that macrophages surrounding calcium deposits in human atherosclerotic plaques are phenotypically defective being unable to resorb calcification.
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Affiliation(s)
- Giulia Chinetti-Gbaguidi
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Mehdi Daoudi
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Mickael Rosa
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Manjula Vinod
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Loïc Louvet
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Corinne Copin
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Mélanie Fanchon
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Jonathan Vanhoutte
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Bruno Derudas
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Loic Belloy
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Stephan Haulon
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Christophe Zawadzki
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Sophie Susen
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Ziad A. Massy
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Jérôme Eeckhoute
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
| | - Bart Staels
- From the Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011, EGID, Lille, France (G.C.-G., M.D., M.R., M.V., C.C., M.F., J.V., B.D., L.B., C.Z., S.S., J.E., B.S.); University of Côte d’Azur, CHU, Inserm, CNRS, IRCAN, Nice, France (G.C.-G.); Inserm U1088, University of Picardie Jules Verne, and Amiens University Hospital, Amiens, France (L.L.); CHU Lille, Lille, France (S.H.); Division of Nephrology, Ambroise Paré University Hospital, AP-HP, Boulogne-Billancourt (Z.A.M.); and
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183
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Guo Y, Xie C, Li X, Yang J, Yu T, Zhang R, Zhang T, Saxena D, Snyder M, Wu Y, Li X. Succinate and its G-protein-coupled receptor stimulates osteoclastogenesis. Nat Commun 2017; 8:15621. [PMID: 28561074 PMCID: PMC5460032 DOI: 10.1038/ncomms15621] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 04/13/2017] [Indexed: 11/18/2022] Open
Abstract
The mechanism underlying bone impairment in patients with diabetes mellitus, a metabolic disorder characterized by chronic hyperglycaemia and dysregulation in metabolism, is unclear. Here we show the difference in the metabolomics of bone marrow stromal cells (BMSCs) derived from hyperglycaemic (type 2 diabetes mellitus, T2D) and normoglycaemic mice. One hundred and forty-two metabolites are substantially regulated in BMSCs from T2D mice, with the tricarboxylic acid (TCA) cycle being one of the primary metabolic pathways impaired by hyperglycaemia. Importantly, succinate, an intermediate metabolite in the TCA cycle, is increased by 24-fold in BMSCs from T2D mice. Succinate functions as an extracellular ligand through binding to its specific receptor on osteoclastic lineage cells and stimulates osteoclastogenesis in vitro and in vivo. Strategies targeting the receptor activation inhibit osteoclastogenesis. This study reveals a metabolite-mediated mechanism of osteoclastogenesis modulation that contributes to bone dysregulation in metabolic disorders. Bone loss is common in patients with diabetes, but the underlying molecular and cellular mechanisms are unclear. Here the authors show high succinate levels in mice with type 2 diabetes and that succinate can signal through succinate receptor 1 on osteoclasts to induce bone resorption.
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Affiliation(s)
- Yuqi Guo
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Chengzhi Xie
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Xiyan Li
- Department of Genetics, Stanford University, Stanford, California 94305-5120, USA
| | - Jian Yang
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Tao Yu
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA.,Institute for Genomic Engineered Animal Models of Human Diseases, Liaoning 116044, China
| | - Ruohan Zhang
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Tianqing Zhang
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Deepak Saxena
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA
| | - Michael Snyder
- Department of Genetics, Stanford University, Stanford, California 94305-5120, USA
| | - Yingjie Wu
- Institute for Genomic Engineered Animal Models of Human Diseases, Liaoning 116044, China.,Advanced Institute for Medical Science, Dalian Medical University, 9 West Section, South Lvshun Road Dalian, Liaoning 116044, China
| | - Xin Li
- Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, USA.,Department of Urology, New York University Langone Medical Center, New York, New York 10016, USA.,Perlmutter Cancer Institute, New York University Langone Medical Center, New York, New York 10016, USA
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184
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The Role of Bone Remodelling in Maintaining and Restoring Bone Health: an Overview. Clin Rev Bone Miner Metab 2017. [DOI: 10.1007/s12018-017-9230-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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185
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Barbeck M, Booms P, Unger R, Hoffmann V, Sader R, Kirkpatrick CJ, Ghanaati S. Multinucleated giant cells in the implant bed of bone substitutes are foreign body giant cells-New insights into the material-mediated healing process. J Biomed Mater Res A 2017; 105:1105-1111. [PMID: 28093892 DOI: 10.1002/jbm.a.36006] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 12/27/2016] [Accepted: 01/10/2017] [Indexed: 11/09/2022]
Abstract
In addition to macrophages, multinucleated giant cells (MNGCs) are involved in the tissue reaction to a variety of biomaterials. Especially in the case of bone substitute materials it has been assumed that the MNGCs are osteoclasts, based on the chemical and physical similarity of many materials to the calcified matrix and the bony environment in which they are used. However, many studies indicate that these cells belong to the cell line of the foreign body giant cells (FBGCs), which are of "inflammatory origin", although they have been shown to possess both a pro- and also anti-inflammatory phenotype. Moreover, no information is available about their role in the tissue reaction to bone substitute materials. The present study was conducted to analyze the origin of MNGCs in the implant beds of a synthetic and a xenogeneic bone substitute and focused on the application of immunohistochemical methods. Two antibodies against integrin molecules specific for osteoclasts (β-3 integrin) or FBGCs (β-2 integrin) were used to distinguish both giant cell types. The results of the present study indicate that the MNGCs induced by both kinds of bone substitutes are FBGCs, as they express only β-2 integrin in contrast to the osteoclasts outside of the immediate implantation areas, which only demonstrate β-3 integrin expression. These data give new insight into the tissue reaction to both xenogeneic and synthetic bone substitutes. Based on this new knowledge further research concerning the proteomic profile of the FBGCs especially based on the different physicochemical properties of bone substitutes is necessary. This may show that specific characteristics of bone substitutes may exhibit a substantial influence on the regeneration process via the expression of anti-inflammatory molecules by FBGCs. Based on this information it may be possible to formulate and choose bone substitutes that can guide the process of bone tissue regeneration on the molecular level. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1105-1111, 2017.
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Affiliation(s)
| | - Patrick Booms
- Clinic for Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
| | - Ronald Unger
- Institute of Pathology, Repair-Lab, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Verena Hoffmann
- Clinic for Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
| | - Robert Sader
- Clinic for Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
| | - Charles James Kirkpatrick
- Clinic for Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
| | - Shahram Ghanaati
- Clinic for Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
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186
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In vivo cellular reactions to different biomaterials—Physiological and pathological aspects and their consequences. Semin Immunol 2017. [DOI: 10.1016/j.smim.2017.06.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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187
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Jeong BC, Kim JH, Kim K, Kim I, Seong S, Kim N. ATF3 modulates calcium signaling in osteoclast differentiation and activity by associating with c-Fos and NFATc1 proteins. Bone 2017; 95:33-40. [PMID: 27829167 DOI: 10.1016/j.bone.2016.11.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 10/27/2016] [Accepted: 11/05/2016] [Indexed: 11/26/2022]
Abstract
Activating transcription factor 3 (ATF3), a member of the ATF/cAMP response element-binding protein family of transcription factors, has been implicated in the regulation of cell proliferation and differentiation. However, whether ATF3 is involved in osteoclast differentiation and activity has not been well-studied. In the present study, we examined the role of ATF3 in osteoclast differentiation and function. ATF3 expression was down-regulated during RANKL-induced osteoclast differentiation. Overexpression of ATF3 in bone marrow-derived monocyte/macrophage lineage cells (BMMs) promoted osteoclast differentiation and activity and strongly induced the expression of osteoclast genes encoding nuclear factor of activated T-cells c1 (NFATc1) and tartrate-resistant acid phosphatase (TRAP) compared to that in the control group. In contrast, small interfering RNA-mediated knockdown of ATF3 prevented the formation of multinucleated osteoclasts and markedly abrogated the expression of osteoclast marker genes. Mechanistically, ATF3 synergistically enhanced c-Fos- or NFAT-mediated transcriptional activity of the NFATc1 or TRAP promoter, respectively. Furthermore, ATF3 physically interacted with c-Fos and NFATc1 and enhanced the binding affinity of c-Fos and NFATc1 to the promoters. Interestingly, ATF3 is involved in calcium signaling during osteoclastogenesis. Taken together, these results suggest that ATF3 is a new co-factor of c-Fos and NFATc1 to activate osteoclast differentiation and activity.
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Affiliation(s)
- Byung-Chul Jeong
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea; Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea; Department of Pharmacology, Seonam University Medical School, Namwon, Chonbuk 55724, Republic of Korea
| | - Jung Ha Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Kabsun Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Inyoung Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Semun Seong
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea; Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Nacksung Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju 61469, Republic of Korea; Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea.
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188
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Geraniol attenuates osteoclast differentiation by suppressingNF-kB activity and expression of osteoclastogenic genes. Med Chem Res 2017. [DOI: 10.1007/s00044-016-1715-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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189
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Diepenhorst NA, Nowell CJ, Rueda P, Henriksen K, Pierce T, Cook AE, Pastoureau P, Sabatini M, Charman WN, Christopoulos A, Summers RJ, Sexton PM, Langmead CJ. High throughput, quantitative analysis of human osteoclast differentiation and activity. Anal Biochem 2016; 519:51-56. [PMID: 27988276 DOI: 10.1016/j.ab.2016.12.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 12/08/2016] [Accepted: 12/13/2016] [Indexed: 10/25/2022]
Abstract
Osteoclasts are multinuclear cells that degrade bone under both physiological and pathophysiological conditions. Osteoclasts are therefore a major target of osteoporosis therapeutics aimed at preserving bone. Consequently, analytical methods for osteoclast activity are useful for the development of novel biomarkers and/or pharmacological agents for the treatment of osteoporosis. The nucleation state of an osteoclast is indicative of its maturation and activity. To date, activity is routinely measured at the population level with only approximate consideration of the nucleation state (an 'osteoclast population' is typically defined as cells with ≥3 nuclei). Using a fluorescent substrate for tartrate-resistant acid phosphatase (TRAP), a routinely used marker of osteoclast activity, we developed a multi-labelled imaging method for quantitative measurement of osteoclast TRAP activity at the single cell level. Automated image analysis enables interrogation of large osteoclast populations in a high throughput manner using open source software. Using this methodology, we investigated the effects of receptor activator of nuclear factor kappa-B ligand (RANK-L) on osteoclast maturation and activity and demonstrated that TRAP activity directly correlates with osteoclast maturity (i.e. nuclei number). This method can be applied to high throughput screening of osteoclast-targeting compounds to determine changes in maturation and activity.
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Affiliation(s)
- Natalie A Diepenhorst
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Cameron J Nowell
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Patricia Rueda
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Kim Henriksen
- Biomarkers & Research, Nordic Bioscience, Herlev, Denmark
| | - Tracie Pierce
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Anna E Cook
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Philippe Pastoureau
- Therapeutic Innovation Pole of Rheumatology, Institut de Recherches Servier, Suresnes, France
| | - Massimo Sabatini
- Therapeutic Innovation Pole of Rheumatology, Institut de Recherches Servier, Suresnes, France
| | - William N Charman
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Arthur Christopoulos
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Roger J Summers
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Patrick M Sexton
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Christopher J Langmead
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia.
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190
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An J, Briggs TA, Dumax-Vorzet A, Alarcón-Riquelme ME, Belot A, Beresford M, Bruce IN, Carvalho C, Chaperot L, Frostegård J, Plumas J, Rice GI, Vyse TJ, Wiedeman A, Crow YJ, Elkon KB. Tartrate-Resistant Acid Phosphatase Deficiency in the Predisposition to Systemic Lupus Erythematosus. Arthritis Rheumatol 2016; 69:131-142. [PMID: 27390188 DOI: 10.1002/art.39810] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Accepted: 06/30/2016] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Mutations in the ACP5 gene, which encodes tartrate-resistant acid phosphatase (TRAP), cause the immuno-osseous disorder spondyloenchondrodysplasia, which includes as disease features systemic lupus erythematosus (SLE) and a type I interferon (IFN) signature. Our aims were to identify TRAP substrates, determine the consequences of TRAP deficiency in immune cells, and assess whether ACP5 mutations are enriched in sporadic cases of SLE. METHODS Interaction between TRAP and its binding partners was tested by a yeast 2-hybrid screening, confocal microscopy, and immunoprecipitation/Western blotting. TRAP knockdown was performed using small interfering RNA. Phosphorylation of osteopontin (OPN) was analyzed by mass spectrometry. Nucleotide sequence analysis of ACP5 was performed by Sanger sequencing or next-generation sequencing. RESULTS TRAP and OPN colocalized and interacted in human macrophages and plasmacytoid dendritic cells (PDCs). TRAP dephosphorylated 3 serine residues on specific OPN peptides. TRAP knockdown resulted in increased OPN phosphorylation and increased nuclear translocation of IRF7 and P65, with resultant heightened expression of IFN-stimulated genes and IL6 and TNF following Toll-like receptor 9 stimulation. An excess of heterozygous ACP5 missense variants was observed in SLE compared to controls (P = 0.04), and transfection experiments revealed a significant reduction in TRAP activity in a number of variants. CONCLUSION Our findings indicate that TRAP and OPN colocalize and that OPN is a substrate for TRAP in human immune cells. TRAP deficiency in PDCs leads to increased IFNα production, providing at least a partial explanation for how ACP5 mutations cause lupus in the context of spondyloenchondrodysplasia. Detection of ACP5 missense variants in a lupus cohort suggests that impaired TRAP functioning may increase susceptibility to sporadic lupus.
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Affiliation(s)
- Jie An
- University of Washington, Seattle
| | - Tracy A Briggs
- University of Manchester and St. Mary's Hospital, Central Manchester Foundation Trust, Manchester, UK
| | | | - Marta E Alarcón-Riquelme
- Universidad de Granada-Junta de Andalucía, Granada, Spain, and Oklahoma Medical Research Foundation, Oklahoma City
| | - Alexandre Belot
- Pediatric Rheumatology Unit, Femme Mère Enfant Hospital, Hospices Civils de Lyon, INSERM U1111, University of Lyon, Lyon, France
| | - Michael Beresford
- Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Ian N Bruce
- University of Manchester and Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Claudia Carvalho
- Universidade do Porto, Abel Salazar Institute of Biomedical Sciences, Porto, Portugal
| | - Laurence Chaperot
- INSERM U823/UJF/EFS, UGA, INSERM U1209, CNRS 5309, Immunobiology and Immunotherapy of Cancers and Chronic Diseases, Grenoble, France
| | | | - Joel Plumas
- INSERM U823/UJF/EFS, UGA, INSERM U1209, CNRS 5309, Immunobiology and Immunotherapy of Cancers and Chronic Diseases, Grenoble, France
| | | | | | | | - Yanick J Crow
- University of Manchester, Manchester, UK, and Institut Imagine, Laboratory of Neurogenetics and Neuroinflammation, Paris, France
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191
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Miron RJ, Zohdi H, Fujioka-Kobayashi M, Bosshardt DD. Giant cells around bone biomaterials: Osteoclasts or multi-nucleated giant cells? Acta Biomater 2016; 46:15-28. [PMID: 27667014 DOI: 10.1016/j.actbio.2016.09.029] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 09/14/2016] [Accepted: 09/22/2016] [Indexed: 12/31/2022]
Abstract
Recently accumulating evidence has put into question the role of large multinucleated giant cells (MNGCs) around bone biomaterials. While cells derived from the monocyte/macrophage lineage are one of the first cell types in contact with implanted biomaterials, it was originally thought that specifically in bone tissues, all giant cells were bone-resorbing osteoclasts whereas foreign body giant cells (FBGCs) were found associated with a connective tissue foreign body reaction resulting in fibrous encapsulation and/or material rejection. Despite the great majority of bone grafting materials routinely found with large osteoclasts, a special subclass of bone biomaterials has more recently been found surrounded by large giant cells virtually incapable of resorbing bone grafts even years after their implantation. While original hypotheses believed that a 'foreign body reaction' may be taking place, histological data retrieved from human samples years after their implantation have put these original hypotheses into question by demonstrating better and more stable long-term bone volume around certain bone grafts. Exactly how or why this 'special' subclass of giant cells is capable of maintaining long-term bone volume, or methods to scientifically distinguish them from osteoclasts remains extremely poorly studied. The aim of this review article was to gather the current available literature on giant cell markers and differences in expression patterns between osteoclasts and MNGCs utilizing 19 specific markers including an array of CD-cell surface markers. Furthermore, the concept of now distinguishing between pro-inflammatory M1-MNGCs (previously referred to as FBGCs) as well as wound-healing M2-MNGCs is introduced and discussed. STATEMENT OF SIGNIFICANCE This review article presents 19 specific cell-surface markers to distinguish between osteoclasts and MNGCs including an array of CD-cell surface markers. Furthermore, the concept of now distinguishing between pro-inflammatory M1-MNGCs (often previously referred to as FBGCs) as well as wound-healing M2-MNGCs is introduced and discussed. The proposed concepts and guidelines aims to guide the next wave of research facilitating the differentiation between osteoclast/MNGCs formation, as well as provides the basis for increasing our understanding of the exact function of MNGCs in bone tissue/biomaterial homeostasis.
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192
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Peron APLM, Johann ACBR, Papalexiou V, Tanaka OM, Guariza-Filho O, Ignácio SA, Camargo ES. Tissue responses resulting from tooth movement surgically assisted by corticotomy and corticision in rats. Angle Orthod 2016; 87:118-124. [PMID: 27281474 DOI: 10.2319/102915-731.1] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE To compare the histological responses in corticotomy- and corticision-assisted tooth movement. MATERIALS AND METHODS Ninety Wistar rats were divided into three groups: C (control-tooth movement only), CT (tooth movement + corticotomy), and CI (tooth movement + corticision). Surgeries were performed on the vestibular and lingual cortical bone of the maxillary first molar. Tooth movement was carried out with nickel-titanium closed coil springs having a force of 30 g. The rats were sacrificed at 3, 14, and 28 days. To evaluate the number of osteoclasts and amount of root resorption, a tartrate-resistant acid phosphatase stain was used. Hematoxylin and eosin staining was performed for areas of hyalinization, and the organic bone matrix was stained with picrosirius. RESULTS The CT group showed a greater number of osteoclasts than did the C group on day 3 (P < .05). At the same time point, the CT and CI groups showed a delayed onset of organic bone matrix remodeling and a lower incidence of root resorption than did the C group (P < .05). There were also fewer hyalinization areas in the CI group than in the C group on day 3 (P < .05). CONCLUSIONS Corticotomy effectively increased bone resorption during the early stages of tooth movement, but this increase was not observed for corticision. The surgical procedures did not accelerate organic bone matrix remodeling. Corticotomies and corticisions decreased the risk of root resorption only during the early stages of movement. Corticision reduced the level of hyalinization, while corticotomy did not.
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Schumacher M, Wagner AS, Kokesch-Himmelreich J, Bernhardt A, Rohnke M, Wenisch S, Gelinsky M. Strontium substitution in apatitic CaP cements effectively attenuates osteoclastic resorption but does not inhibit osteoclastogenesis. Acta Biomater 2016; 37:184-94. [PMID: 27084107 DOI: 10.1016/j.actbio.2016.04.016] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 04/01/2016] [Accepted: 04/11/2016] [Indexed: 12/15/2022]
Abstract
UNLABELLED Strontium ions were discovered to exert a dual effect on bone turnover, namely an inhibition of cell-driven bone resorption and a simultaneous stimulation of new bone tissue formation. A variety of strontium containing calcium phosphate bone cements (SrCPC) have been developed to benefit from both effects to locally support the healing of osteoporotic bone defects. While the stimulating effect of strontium modification on bone forming cells has been demonstrated in a number of studies, this study focuses on the inhibition and/or reduction of osteoclastogenesis and osteoclastic resorption by a strontium substituted calcium phosphate bone cement (SrCPC). Human peripheral blood mononuclear cells (PBMC) were differentiated into osteoclasts in the presence of different Sr(2+)-concentrations as well as on the surface of SrCPC disks. Osteoclastogenesis of PBMC was shown to be merely unaffected by medium Sr(2+)-concentrations comparable to those released from SrCPC in vitro (0.05-0.15mM). However, an altering effect of 0.1mM strontium on the cytoskeleton of osteoclast-like cells was shown. In direct contact to SrCPC disks, these cells exhibited typical morphological features and osteoclast markers on both RNA and protein level were formed. However, calcium phosphate resorption was significantly decreased on strontium-containing cements in comparison to a strontium-free control. This was accompanied by an intracellular accumulation of strontium that increased with substrate strontium content as demonstrated by Time of Flight Secondary Ion Mass Spectrometry (ToF-SIMS). This study illustrates that SrCPC do not inhibit osteoclastogenesis but significantly attenuate osteoclastic substrate resorption in vitro. STATEMENT OF SIGNIFICANCE Strontium ions have been shown to promote bone formation and inhibit bone resorption. Therefore strontium is successfully used in the treatment of osteoporosis and also inspired the development of strontium-containing strontium/calcium phosphate bone cements (SrCPC). Studies have shown the positive effects of SrCPC on bone formation, however, the inhibiting effect of strontium on bone resorption in the context of such cements has not been shown so far. We found that the formation of bone-resorbing osteoclasts is not inhibited, but that their resorption activity is decreased in contact to SrCPC. The former is important since those cells play an important role in the bone cell signaling. The latter is a key requirement in osteoporosis therapy, which addresses excess bone resorption.
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Affiliation(s)
- M Schumacher
- Centre for Translational Bone, Joint and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, Dresden, Germany.
| | - A S Wagner
- Department of Veterinary Clinical Sciences, Small Animal Clinic c/o Institute of Veterinary-Anatomy, -Histology and -Embryology, Justus-Liebig-University Giessen, Giessen, Germany
| | | | - A Bernhardt
- Centre for Translational Bone, Joint and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, Dresden, Germany
| | - M Rohnke
- Institute of Physical Chemistry, Justus-Liebig-University Giessen, Giessen, Germany
| | - S Wenisch
- Department of Veterinary Clinical Sciences, Small Animal Clinic c/o Institute of Veterinary-Anatomy, -Histology and -Embryology, Justus-Liebig-University Giessen, Giessen, Germany
| | - M Gelinsky
- Centre for Translational Bone, Joint and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, Dresden, Germany
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The Regulatory Roles of MicroRNAs in Bone Remodeling and Perspectives as Biomarkers in Osteoporosis. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1652417. [PMID: 27073801 PMCID: PMC4814634 DOI: 10.1155/2016/1652417] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Revised: 02/26/2016] [Accepted: 02/29/2016] [Indexed: 02/05/2023]
Abstract
MicroRNAs are involved in many cellular and molecular activities and played important roles in many biological and pathological processes, such as tissue formation, cancer development, diabetes, neurodegenerative diseases, and cardiovascular diseases. Recently, it has been reported that microRNAs can modulate the differentiation and activities of osteoblasts and osteoclasts, the key cells that are involved in bone remodeling process. Meanwhile, the results from our and other research groups showed that the expression profiles of microRNAs in the serum and bone tissues are significantly different in postmenopausal women with or without fractures compared to the control. Therefore, it can be postulated that microRNAs might play important roles in bone remodeling and that they are very likely to be involved in the pathological process of postmenopausal osteoporosis. In this review, we will present the updated research on the regulatory roles of microRNAs in osteoblasts and osteoclasts and the expression profiles of microRNAs in osteoporosis and osteoporotic fracture patients. The perspective of serum microRNAs as novel biomarkers in bone loss disorders such as osteoporosis has also been discussed.
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195
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Cruz Grecco Teixeira MB, Martins GM, Miranda-Rodrigues M, De Araújo IF, Oliveira R, Brum PC, Azevedo Gouveia CH. Lack of α2C-Adrenoceptor Results in Contrasting Phenotypes of Long Bones and Vertebra and Prevents the Thyrotoxicosis-Induced Osteopenia. PLoS One 2016; 11:e0146795. [PMID: 26815679 PMCID: PMC4729682 DOI: 10.1371/journal.pone.0146795] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 12/21/2015] [Indexed: 12/26/2022] Open
Abstract
A series of studies have demonstrated that activation of the sympathetic nervous system (SNS) causes osteopenia via β2-adrenoceptor (β2-AR) signaling. However, in a recent study, we found an unexpected and generalized phenotype of high bone mass in female mice with chronic sympathetic hyperactivity, due to double gene inactivation of adrenoceptors that negatively regulate norepinephrine release, α2A-and α2C-AR (α2A/2C-AR-/-). These findings suggest that β2-AR is not the single adrenoceptor involved in bone turnover regulation and show that α2-AR signaling may also mediate the SNS actions in the skeleton. In addition, we found that α2A/2C-AR-/- animals are resistant to the thyrotoxicosis-induced osteopenia, suggesting that thyroid hormone (TH), when in supraphysiological levels, interacts with the SNS to control bone mass and structure, and that this interaction may also involve α2-AR signaling. In the present study, to further investigate these hypotheses and to discriminate the roles of α2-AR subtypes, we have evaluated the bone phenotype of mice with the single gene inactivation of α2C-AR subtype, which mRNA expression was previously shown to be down regulated by triiodothyronine (T3). A cohort of 30 day-old female α2CAR-/- mice and their wild-type (WT) controls were treated with a supraphysiological dose of T3 for 30 or 90 days, which induced a thyrotoxic state in both mouse lineages. The micro-computed tomographic (μCT) analysis showed that α2C-AR-/- mice present lower trabecular bone volume (BV/TV) and number (Tb.N), and increased trabecular separation (Tb.Sp) in the femur compared with WT mice; which was accompanied by decreased bone strength (determined by the three-point bending test) in the femur and tibia. The opposite was observed in the vertebra, where α2C-AR-/- mice show increased BV/TV, Tb.N and trabecular thickness (Tb.Th), and decreased Tb.Sp, compared with WT animals. In spite of the contrasting bone phenotypes of the femur and L5, thyrotoxicosis negatively regulated most of the micro architectural features of the trabecular bone in both skeletal sites of WT, but not of α2C-AR-/- mice. T3 treatment also decreased biomechanical properties (maximum load and ultimate load) in the femur and tibia of WT, but not of knockout mice. The mRNA expression of osteocalcin, a marker of mature osteoblasts, and tartrate-resistant acid phosphatase, which is expressed by osteoclasts and is involved in collagen degradation, was increased by T3 treatment only in WT, and not in α2C-AR-/- mice. Altogether, these findings suggest that α2C-AR subtype mediates the effects of the SNS in the bone in a skeletal site-dependent manner, and that thyrotoxicosis depends on α2C-AR signaling to promote bone loss, which sustains the hypothesis of a TH-SNS interaction to modulate bone remodeling and structure.
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Affiliation(s)
| | - Gisele Miyamura Martins
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | | | | | | | - Patrícia Chakur Brum
- Departament of Biodinamic of Human Body Moviment, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, Brazil
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196
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Alonso A, Pulido R. The extended human PTPome: a growing tyrosine phosphatase family. FEBS J 2015; 283:1404-29. [PMID: 26573778 DOI: 10.1111/febs.13600] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 10/02/2015] [Accepted: 11/13/2015] [Indexed: 12/13/2022]
Abstract
Tyr phosphatases are, by definition, enzymes that dephosphorylate phospho-Tyr (pTyr) from proteins. This activity is found in several structurally diverse protein families, including the protein Tyr phosphatase (PTP), arsenate reductase, rhodanese, haloacid dehalogenase (HAD) and His phosphatase (HP) families. Most of these families include members with substrate specificity for non-pTyr substrates, such as phospho-Ser/phospho-Thr, phosphoinositides, phosphorylated carbohydrates, mRNAs, or inorganic moieties. A Cys is essential for catalysis in PTPs, rhodanese and arsenate reductase enzymes, whereas this work is performed by an Asp in HAD phosphatases and by a His in HPs, via a catalytic mechanism shared by all of the different families. The category that contains most Tyr phosphatases is the PTP family, which, although it received its name from this activity, includes Ser, Thr, inositide, carbohydrate and RNA phosphatases, as well as some inactive pseudophosphatase proteins. Here, we propose an extended collection of human Tyr phosphatases, which we call the extended human PTPome. The addition of new members (SACs, paladin, INPP4s, TMEM55s, SSU72, and acid phosphatases) to the currently categorized PTP group of enzymes means that the extended human PTPome contains up to 125 proteins, of which ~ 40 are selective for pTyr. We set criteria to ascribe proteins to the extended PTPome, and summarize the more important features of the new PTPome members in the context of their phosphatase activity and their relationship with human disease.
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Affiliation(s)
- Andrés Alonso
- Instituto de Biología y Genética Molecular (IBGM), CSIC-Universidad de Valladolid, Valladolid, Spain
| | - Rafael Pulido
- Biocruces Health Research Institute, Barakaldo, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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Yu F, Chen Z, Wang B, Jin Z, Hou Y, Ma S, Liu X. The role of lysosome in cell death regulation. Tumour Biol 2015; 37:1427-36. [DOI: 10.1007/s13277-015-4516-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 11/25/2015] [Indexed: 02/01/2023] Open
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198
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Baek JM, Min JY, Kim JY, Yoon KH, Choi MK, Oh J, Lee MS. The inhibitory effects of Citrus unshiu Markovich extracts on the receptor activator of nuclear factor-kappa-B ligand-mediated osteoclast differentiation and function. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0240-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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199
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Kanemoto S, Kobayashi Y, Yamashita T, Miyamoto T, Cui M, Asada R, Cui X, Hino K, Kaneko M, Takai T, Matsuhisa K, Takahashi N, Imaizumi K. Luman is involved in osteoclastogenesis through the regulation of DC-STAMP expression, stability and localization. J Cell Sci 2015; 128:4353-65. [PMID: 26503158 PMCID: PMC4712816 DOI: 10.1242/jcs.176057] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 10/19/2015] [Indexed: 01/12/2023] Open
Abstract
Luman (also known as CREB3) is a type-II transmembrane transcription factor belonging to the OASIS family that localizes to the endoplasmic reticulum (ER) membrane under normal conditions. In response to ER stress, OASIS-family members are subjected to regulated intramembrane proteolysis (RIP), following which the cleaved N-terminal fragments translocate to the nucleus. In this study, we show that treatment of bone marrow macrophages (BMMs) with cytokines – macrophage colony-stimulating factor (M-CSF) and RANKL (also known as TNFSF11) – causes a time-dependent increase in Luman expression, and that Luman undergoes RIP and becomes activated during osteoclast differentiation. Small hairpin (sh)RNA-mediated knockdown of Luman in BMMs prevented the formation of multinucleated osteoclasts, concomitant with the suppression of DC-STAMP, a protein that is essential for cell–cell fusion in osteoclastogenesis. The N-terminus of Luman facilitates promoter activity of DC-STAMP, resulting in upregulation of DC-STAMP expression. Furthermore, Luman interacts with DC-STAMP, and controls its stability and localization. These results suggest that Luman regulates the multinucleation of osteoclasts by promoting cell fusion of mononuclear osteoclasts through DC-STAMP induction and intracellular distribution during osteoclastogenesis. Highlighted Article: Luman, an ER-resident transcription factor, regulates the multinucleation of osteoclasts by promoting cell fusion of mononuclear osteoclasts through DC-STAMP induction and transportation during osteoclastogenesis.
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Affiliation(s)
- Soshi Kanemoto
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Yasuhiro Kobayashi
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka, Shiojiri, Nagano 399-0781, Japan
| | - Teruhito Yamashita
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka, Shiojiri, Nagano 399-0781, Japan
| | - Takeshi Miyamoto
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Min Cui
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Rie Asada
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Xiang Cui
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Kenta Hino
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Masayuki Kaneko
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Tomoko Takai
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Koji Matsuhisa
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Naoyuki Takahashi
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka, Shiojiri, Nagano 399-0781, Japan
| | - Kazunori Imaizumi
- Department of Biochemistry, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
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200
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Barbeck M, Motta A, Migliaresi C, Sader R, Kirkpatrick CJ, Ghanaati S. Heterogeneity of biomaterial-induced multinucleated giant cells: Possible importance for the regeneration process? J Biomed Mater Res A 2015; 104:413-8. [PMID: 26422451 DOI: 10.1002/jbm.a.35579] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 09/18/2015] [Accepted: 09/25/2015] [Indexed: 11/05/2022]
Abstract
Biomaterial-associated multinucleated giant cells (BMGCs) have been found within the implantation beds of many different biomaterials. However, their exact differentiation and their involvement in the inflammatory and healing events of the foreign body response still remain mostly unclear. Silk fibroin (SF) scaffolds, which induces a tissue reaction involving both macrophages and BMGCs, was implanted in the subcutaneous connective tissue of four CD-1 mice for 15 days using an established subcutaneous implantation model. Analysis of macrophage polarization and BMGCs was performed by immunohistochemcial detection of pro- (cyclooxygenase-2 (COX-2), C-C chemokine receptor type 7 (CCR7), nuclear factor "kappa-light-chain-enhancer" (NF-κB)) and anti-(heme oxygenase-1 (HO-1) and mannose receptor (MR, also known as CD206)). Furthermore, histochemical detection of tartrate-resistant acid phosphatase (TRAP) was conducted to test its predictive efficiency for the pro-inflammatory differentiation of cells. An established system for histomorphometrical analysis was used for counting of BMGCs expressing these molecules. The results show that BMGCs express both pro- and anti-inflammatory molecules within the implantation beds of SF scaffolds in comparable numbers, while only statistically significantly lower numbers of TRAP-positive BMGCs were measured in comparison to the BMGCs expressing the above-mentioned molecules. As these data substantiate the heterogeneity of BMGCs, the question arises to what extent BMGCs can "support" the process of tissue regeneration. Furthermore, the data prompt the question to what extent TRAP-expression within a biomaterial implantation bed can be seen as a predictive marker for an inflammatory condition, as in this study no obvious correlation between TRAP-expression and other pro-inflammatory markers could be observed.
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Affiliation(s)
- Mike Barbeck
- Clinic of Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany.,Institute of Pathology, REPAIR-Lab, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Antonella Motta
- Department of Materials Engineering and Industrial Technologies and BIOtech Research Centre, University of Trento, Trento, I-38050, Italy
| | - Claudio Migliaresi
- Department of Materials Engineering and Industrial Technologies and BIOtech Research Centre, University of Trento, Trento, I-38050, Italy
| | - Robert Sader
- Clinic of Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany
| | - Charles James Kirkpatrick
- Institute of Pathology, REPAIR-Lab, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Shahram Ghanaati
- Clinic of Oro-Maxillofacial and Plastic Surgery, FORM-Lab, University Medical Center of the Goethe University, Frankfurt, Germany.,Institute of Pathology, REPAIR-Lab, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
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