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Hasegawa Y, Franks JM, Tanaka Y, Uehara Y, Read DF, Williams C, Srivatsan S, Pitstick LB, Nikolaidis NM, Shaver CM, Kropski J, Ware LB, Taylor CJ, Banovich NE, Wu H, Gardner JC, Osterburg AR, Yu JJ, Kopras EJ, Teitelbaum SL, Wikenheiser-Brokamp KA, Trapnell C, McCormack FX. Pulmonary osteoclast-like cells in silica induced pulmonary fibrosis. SCIENCE ADVANCES 2024; 10:eadl4913. [PMID: 38985878 PMCID: PMC11235167 DOI: 10.1126/sciadv.adl4913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 06/05/2024] [Indexed: 07/12/2024]
Abstract
The pathophysiology of silicosis is poorly understood, limiting development of therapies for those who have been exposed to the respirable particle. We explored mechanisms of silica-induced pulmonary fibrosis in human lung samples collected from patients with occupational exposure to silica and in a longitudinal mouse model of silicosis using multiple modalities including whole-lung single-cell RNA sequencing and histological, biochemical, and physiologic assessments. In addition to pulmonary inflammation and fibrosis, intratracheal silica challenge induced osteoclast-like differentiation of alveolar macrophages and recruited monocytes, driven by induction of the osteoclastogenic cytokine, receptor activator of nuclear factor κΒ ligand (RANKL) in pulmonary lymphocytes, and alveolar type II cells. Anti-RANKL monoclonal antibody treatment suppressed silica-induced osteoclast-like differentiation in the lung and attenuated pulmonary fibrosis. We conclude that silica induces differentiation of pulmonary osteoclast-like cells leading to progressive lung injury, likely due to sustained elaboration of bone-resorbing proteases and hydrochloric acid. Interrupting osteoclast-like differentiation may therefore constitute a promising avenue for moderating lung damage in silicosis.
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Affiliation(s)
- Yoshihiro Hasegawa
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Jennifer M. Franks
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Yusuke Tanaka
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Yasuaki Uehara
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - David F. Read
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Claire Williams
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Sanjay Srivatsan
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Lori B. Pitstick
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Nikolaos M. Nikolaidis
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Ciara M. Shaver
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jonathan Kropski
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Lorraine B. Ware
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Chase J. Taylor
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Nicholas E. Banovich
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Huixing Wu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Jason C. Gardner
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Andrew R. Osterburg
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Jane J. Yu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Elizabeth J. Kopras
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Steven L. Teitelbaum
- Department of Pathology and Immunology, and Division of Bone and Mineral Diseases, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Kathryn A. Wikenheiser-Brokamp
- Division of Pathology and Laboratory Medicine and Perinatal Institute, Division of Pulmonary Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
- Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Cole Trapnell
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Francis X. McCormack
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
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Yılmaz D, Marques FC, Fischer Y, Zimmermann S, Hwang G, Atkins PR, Mathavan N, Singh A, de Souza PP, Kuhn GA, Wehrle E, Müller R. Elucidating the mechano-molecular dynamics of TRAP activity using CRISPR/Cas9 mediated fluorescent reporter mice. Heliyon 2024; 10:e32949. [PMID: 39021958 PMCID: PMC11252717 DOI: 10.1016/j.heliyon.2024.e32949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 05/22/2024] [Accepted: 06/12/2024] [Indexed: 07/20/2024] Open
Abstract
Osteoclasts are essential for bone remodeling by adapting their resorptive activity in response to their mechanical in vivo environment. However, the molecular mechanisms underlying this process remain unclear. Here, we demonstrated the role of tartrate-resistant acid phosphatase (TRAP, Acp5), a key enzyme secreted by osteoclasts, in bone remodeling and mechanosensitivity. Using CRISPR/Cas9 reporter mice, we demonstrated bone cell reporter (BCRIbsp/Acp5) mice feature fluorescent TRAP-deficient osteoclasts and examined their activity during mechanically driven trabecular bone remodeling. Although BCRIbsp/Acp5 mice exhibited trabecular bone impairments and reduced resorption capacity in vitro, RNA sequencing revealed unchanged levels of key osteoclast-associated genes such as Ctsk, Mmp9, and Calcr. These findings, in conjunction with serum carboxy-terminal collagen crosslinks (CTX) and in vivo mechanical loading outcomes collectively indicated an unaltered bone resorption capacity of osteoclasts in vivo. Furthermore, we demonstrated similar mechanoregulation during trabecular bone remodeling in BCRIbsp/Acp5 and wild-type (WT) mice. Hence, this study provides valuable insights into the dynamics of TRAP activity in the context of bone remodeling and mechanosensation.
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Affiliation(s)
- Dilara Yılmaz
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
| | | | | | | | - Gaonhae Hwang
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
| | - Penny R. Atkins
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, USA
| | | | - Amit Singh
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
| | - Pedro P.C. de Souza
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
- Innovation in Biomaterials Laboratory, School of Dentistry, Federal University of Goiás, Goiânia, Brazil
| | - Gisela A. Kuhn
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
| | - Esther Wehrle
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
- AO Research Institute Davos, Davos Platz, Switzerland
| | - Ralph Müller
- Institute for Biomechanics, ETH Zürich, Zürich, Switzerland
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3
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Kawaai K, Oishi Y, Kuroda Y, Tamura R, Toda M, Matsuo K. Chordoma cells possess bone-dissolving activity at the bone invasion front. Cell Oncol (Dordr) 2024:10.1007/s13402-024-00946-6. [PMID: 38652222 DOI: 10.1007/s13402-024-00946-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2024] [Indexed: 04/25/2024] Open
Abstract
PURPOSE Chordomas are malignant tumors that destroy bones, compress surrounding nerve tissues and exhibit phenotypes that recapitulate notochordal differentiation in the axial skeleton. Chordomas recur frequently, as they resist radio-chemotherapy and are difficult to completely resect, leading to repeated bone destruction and local expansion via unknown mechanisms. Here, using chordoma specimens and JHC7 chordoma cells, we asked whether chordoma cells possess bone-dissolving activity. METHODS CT imaging and histological analysis were performed to evaluate the structure and mineral density of chordoma-invaded bone and osteolytic marker expression. JHC7 cells were subjected to immunocytochemistry, imaging of cell fusion, calcium dynamics and acidic vacuoles, and bone lysis assays. RESULTS In patients, we found that the skull base invaded by chordoma was highly porous, showed low mineral density and contained brachyury-positive chordoma cells and conventional osteoclasts both expressing the osteolytic markers tartrate-resistant acid phosphatase (TRAP) and collagenases. JHC7 cells expressed TRAP and cathepsin K, became multinucleated via cell-cell fusion, showed spontaneous calcium oscillation, and were partly responsive to the osteoclastogenic cytokine RANKL. JHC7 cells exhibited large acidic vacuoles, and nonregulatory bone degradation without forming actin rings. Finally, bone-derived factors, calcium ions, TGF-β1, and IGF-1 enhanced JHC7 cell proliferation. CONCLUSION In chordoma, we propose that in addition to conventional bone resorption by osteoclasts, chordoma cells possess bone-dissolving activity at the tumor-bone boundary. Furthermore, bone destruction and tumor expansion may occur in a positive feedback loop.
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Affiliation(s)
- Katsuhiro Kawaai
- Laboratory of Cell and Tissue Biology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Yumiko Oishi
- Department of Neurosurgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Yukiko Kuroda
- Laboratory of Cell and Tissue Biology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Ryota Tamura
- Department of Neurosurgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Masahiro Toda
- Department of Neurosurgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Koichi Matsuo
- Laboratory of Cell and Tissue Biology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan.
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Arunjaroensuk S, Nampuksa K, Monmaturapoj N, Thunyakitpisal P, Porntaveetus T, Mattheos N, Pimkhaokham A. Gene expression, micro-CT and histomorphometrical analysis of sinus floor augmentation with biphasic calcium phosphate and deproteinized bovine bone mineral: A randomized controlled clinical trial. Clin Implant Dent Relat Res 2024; 26:402-414. [PMID: 38317374 DOI: 10.1111/cid.13303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 11/08/2023] [Accepted: 01/04/2024] [Indexed: 02/07/2024]
Abstract
AIMS The aim of this randomized controlled clinical trial was to compare the gene expression, micro-CT, histomorphometrical analysis between biphasic calcium phosphate (BCP) of 70/30 ratio and deproteinized bovine bone mineral (DBBM) in sinus augmentation. MATERIALS AND METHODS Twenty-four patients in need for sinus floor augmentation through lateral approach were randomized into BCP 70/30 ratio or DBBM. After at least 6 months of healing, a total of 24 bone specimens were collected from the entire height of the augmented bone at the area of implant placement and underwent micro-CT, histomorphometric and gene expression analysis. The 12 bone specimens of BCP 70/30 ratio were equally allocated to micro-CT and histologic analysis (test group, n = 6) and gene expression analysis (test group, n = 6). Similarly, the 12 bone specimens of DBBM were also allocated to micro-CT and histologic analysis (control group, n = 6) and gene expression analysis (control group, n = 6). The newly formed bone, remaining graft materials and relative change in gene expression of four target genes were assessed. RESULTS The micro-CT results showed no statistically significant difference in the ratio of bone volume to total volume (BV/TV ratio) for the two groups (BCP 41.51% vs. DBBM 40.97%) and the same was true for residual graft material to total volume (GV/TV ratio, BCP 9.97% vs. DBBM 14.41%). Similarly, no significant difference was shown in the histological analysis in terms of bone formation, (BCP 31.43% vs. DBBM was 30.09%) and residual graft area (DBBM 40.76% vs. BCP 45.06%). With regards to gene expression, the level of ALP was lower in both groups of bone grafted specimens compared with the native bone. On the contrary, the level of OSX, IL-1B and TRAP was higher in augmented bone of both groups compared with the native bone. However, the relative difference in all gene expressions between BCP and DBBM group was not significant. CONCLUSIONS The BCP, HA/β-TCP ratio of 70/30 presented similar histological and micro-CT outcomes in terms of new bone formation and residual graft particles with DBBM. The gene expression analysis revealed different gene expression patterns between augmented and native bone, but showed no significant difference between the two biomaterials.
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Affiliation(s)
- Sirida Arunjaroensuk
- Dental Biomaterials Science Program, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Katanchalee Nampuksa
- Assistive Technology and Medical Devices Research Center (A-MED), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Naruporn Monmaturapoj
- Assistive Technology and Medical Devices Research Center (A-MED), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | | | - Thantrira Porntaveetus
- Center of Excellence in Genomics and Precision Dentistry, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Nikos Mattheos
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
- Department of Dental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Atiphan Pimkhaokham
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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Zhang X, Chang M, Wang B, Liu X, Zhang Z, Han G. YAP/WNT5A/FZD4 axis regulates osteogenic differentiation of human periodontal ligament cells under cyclic stretch. J Periodontal Res 2023; 58:907-918. [PMID: 37340863 DOI: 10.1111/jre.13143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 05/07/2023] [Accepted: 05/15/2023] [Indexed: 06/22/2023]
Abstract
OBJECTIVE To verify the role of YAP/WNT5A/FZD4 axis in stretch-induced osteogenic differentiation of hPDLCs. BACKGROUND During orthodontic tooth movement, differentiation of human periodontal ligament cells (hPDLCs) at the tension side of the periodontal ligament mediates new bone formation. WNT5A promotes osteogenesis and its regulator Yes-associated protein (YAP) is responsive to mechanical stimulation in hPDLCs. However, the mechanisms of YAP and WNT5A in alveolar bone remodeling remain unclear. METHODS Cyclic stretch was applied to hPDLCs to mimic the orthodontic stretching force. Osteogenic differentiation was determined by alkaline phosphatase (ALP) activity, Alizarin Red staining, qRT-PCR and western blotting. To detect activation of YAP and expression of WNT5A and its receptor Frizzled-4 (FZD4), western blotting, immunofluorescence, qRT-PCR and ELISA were performed. Verteporfin, Lats-IN-1, small interfering RNAs and recombinant protein were used to explore the relationship of YAP, WNT5A and FZD4, and the effect of their relationship on stretch-induced osteogenesis of hPDLCs. RESULTS WNT5A, FZD4 and nuclear localization of YAP were upregulated by cyclic stretch. YAP positively regulated WNT5A and FZD4 expression and osteogenic differentiation of hPDLCs under cyclic stretch by YAP inhibition or activation assay. Knockdown of WNT5A and FZD4 attenuated YAP-induced and stretch-induced osteogenic differentiation. Recombinant WNT5A rescued the suppressed osteogenic differentiation by YAP inhibitor in hPDLCs, whereas knockdown of FZD4 weakened the effect of WNT5A and amplified the suppression. CONCLUSIONS WNT5A/FZD4 could be positively regulated by YAP and the YAP/WNT5A/FZD4 axis mediated osteogenic differentiation of hPDLCs under cyclic stretch. This study provided further insight into the biological mechanism of orthodontic tooth movement.
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Affiliation(s)
- Xiaocen Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Maolin Chang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Beike Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoyu Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhen Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Guangli Han
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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Hild V, Mellert K, Möller P, Barth TFE. Giant Cells of Various Lesions Are Characterised by Different Expression Patterns of HLA-Molecules and Molecules Involved in the Cell Cycle, Bone Metabolism, and Lineage Affiliation: An Immunohistochemical Study with a Review of the Literature. Cancers (Basel) 2023; 15:3702. [PMID: 37509363 PMCID: PMC10377796 DOI: 10.3390/cancers15143702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/30/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Giant cells (GCs) are thought to originate from the fusion of monocytic lineage cells and arise amid multiple backgrounds. To compare GCs of different origins, we immunohistochemically characterised the GCs of reactive and neoplastic lesions (n = 47). We studied the expression of 15 molecules including HLA class II molecules those relevant to the cell cycle, bone metabolism and lineage affiliation. HLA-DR was detectable in the GCs of sarcoidosis, sarcoid-like lesions, tuberculosis, and foreign body granuloma. Cyclin D1 was expressed by the GCs of neoplastic lesions as well as the GCs of bony callus, fibroid epulis, and brown tumours. While cyclin E was detected in the GCs of all lesions, p16 and p21 showed a heterogeneous expression pattern. RANK was expressed by the GCs of all lesions except sarcoid-like lesions and xanthogranuloma. All GCs were RANK-L-negative, and the GCs of all lesions were osteoprotegerin-positive. Osteonectin was limited to the GCs of chondroblastoma. Osteopontin and TRAP were detected in the GCs of all lesions except xanthogranuloma. RUNX2 was heterogeneously expressed in the reactive and neoplastic cohort. The GCs of all lesions except foreign body granuloma expressed CD68, and all GCs were CD163- and langerin-negative. This profiling points to a functional diversity of GCs despite their similar morphology.
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Affiliation(s)
- Vivien Hild
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Kevin Mellert
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Peter Möller
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Thomas F E Barth
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
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7
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Uehara Y, Tanaka Y, Zhao S, Nikolaidis NM, Pitstick LB, Wu H, Yu JJ, Zhang E, Hasegawa Y, Noel JG, Gardner JC, Kopras EJ, Haffey WD, Greis KD, Guo J, Woods JC, Wikenheiser-Brokamp KA, Kyle JE, Ansong C, Teitelbaum SL, Inoue Y, Altinişik G, Xu Y, McCormack FX. Insights into pulmonary phosphate homeostasis and osteoclastogenesis emerge from the study of pulmonary alveolar microlithiasis. Nat Commun 2023; 14:1205. [PMID: 36864068 PMCID: PMC9981730 DOI: 10.1038/s41467-023-36810-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 02/17/2023] [Indexed: 03/04/2023] Open
Abstract
Pulmonary alveolar microlithiasis is an autosomal recessive lung disease caused by a deficiency in the pulmonary epithelial Npt2b sodium-phosphate co-transporter that results in accumulation of phosphate and formation of hydroxyapatite microliths in the alveolar space. The single cell transcriptomic analysis of a pulmonary alveolar microlithiasis lung explant showing a robust osteoclast gene signature in alveolar monocytes and the finding that calcium phosphate microliths contain a rich protein and lipid matrix that includes bone resorbing osteoclast enzymes and other proteins suggested a role for osteoclast-like cells in the host response to microliths. While investigating the mechanisms of microlith clearance, we found that Npt2b modulates pulmonary phosphate homeostasis through effects on alternative phosphate transporter activity and alveolar osteoprotegerin, and that microliths induce osteoclast formation and activation in a receptor activator of nuclear factor-κB ligand and dietary phosphate dependent manner. This work reveals that Npt2b and pulmonary osteoclast-like cells play key roles in pulmonary homeostasis and suggest potential new therapeutic targets for the treatment of lung disease.
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Affiliation(s)
- Yasuaki Uehara
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
| | - Yusuke Tanaka
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Shuyang Zhao
- Neonatology, Perinatal and Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Nikolaos M Nikolaidis
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Lori B Pitstick
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Huixing Wu
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jane J Yu
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Erik Zhang
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Yoshihiro Hasegawa
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - John G Noel
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jason C Gardner
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Elizabeth J Kopras
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Wendy D Haffey
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Kenneth D Greis
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jinbang Guo
- Center for Pulmonary Imaging Research, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Jason C Woods
- Center for Pulmonary Imaging Research, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Jennifer E Kyle
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Charles Ansong
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Steven L Teitelbaum
- Department of Pathology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yoshikazu Inoue
- Department of Diffuse Lung Diseases and Respiratory Failure, Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Osaka, Japan
| | - Göksel Altinişik
- Department of Chest Diseases, Faculty of Medicine, Pamukkale University, Pamukkale, Turkey
| | - Yan Xu
- Neonatology, Perinatal and Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
- Departments of Pediatrics and Biomedical Informatics, University of Cincinnati School of Medicine, Cincinnati, OH, USA.
| | - Francis X McCormack
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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8
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Hasegawa Y, Franks JM, Tanaka Y, Uehara Y, Read DF, Williams C, Srivatsan S, Pitstick LB, Nikolaidis NM, Shaver CM, Wu H, Gardner JC, Osterburg AR, Yu JJ, Kopras EJ, Teitelbaum SL, Wikenheiser-Brokamp KA, Trapnell C, McCormack FX. Pulmonary osteoclast-like cells in silica induced pulmonary fibrosis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.17.528996. [PMID: 36824953 PMCID: PMC9949165 DOI: 10.1101/2023.02.17.528996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
The pathophysiology of silicosis is poorly understood, limiting development of therapies for those who have been exposed to the respirable particle. We explored the mechanisms of silica-induced pulmonary fibrosis in a mouse model using multiple modalities including whole-lung single-nucleus RNA sequencing. These analyses revealed that in addition to pulmonary inflammation and fibrosis, intratracheal silica challenge induced osteoclast-like differentiation of alveolar macrophages and recruited monocytes, driven by induction of the osteoclastogenic cytokine, receptor activator of nuclear factor-κB ligand (RANKL) in pulmonary lymphocytes and alveolar type II cells. Furthermore, anti-RANKL monoclonal antibody treatment suppressed silica-induced osteoclast-like differentiation in the lung and attenuated silica-induced pulmonary fibrosis. We conclude that silica induces osteoclast-like differentiation of distinct recruited and tissue resident monocyte populations, leading to progressive lung injury, likely due to sustained elaboration of bone resorbing proteases and hydrochloric acid. Interrupting osteoclast-like differentiation may therefore constitute a promising avenue for moderating lung damage in silicosis.
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Affiliation(s)
- Yoshihiro Hasegawa
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Jennifer M. Franks
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Yusuke Tanaka
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Yasuaki Uehara
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - David F. Read
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Claire Williams
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Sanjay Srivatsan
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Lori B. Pitstick
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Nikolaos M. Nikolaidis
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Ciara M. Shaver
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center – Nashville, TN/US
| | - Huixing Wu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Jason C. Gardner
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Andrew R. Osterburg
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Jane J. Yu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Elizabeth J. Kopras
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Steven L. Teitelbaum
- Department of Pathology and Immunology, and Division of Bone and Mineral Diseases, Department of Medicine, Washington University School of Medicine – St. Louis, MO/US
| | - Kathryn A. Wikenheiser-Brokamp
- Division of Pathology & Laboratory Medicine and Perinatal Institute, Division of Pulmonary Biology, Cincinnati Children’s Hospital Medical Center – Cincinnati, OH/US, Department of Pathology & Laboratory Medicine, University of Cincinnati – Cincinnati, OH/US
| | - Cole Trapnell
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Francis X. McCormack
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati – Cincinnati, OH/US
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9
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Ciosek Ż, Kot K, Rotter I. Iron, Zinc, Copper, Cadmium, Mercury, and Bone Tissue. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2197. [PMID: 36767564 PMCID: PMC9915283 DOI: 10.3390/ijerph20032197] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/13/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
The paper presents the current understanding on the effects of five metals on bone tissue, namely iron, zinc, copper, cadmium, and mercury. Iron, zinc, and copper contribute significantly to human and animal metabolism when present in sufficient amounts, but their excess or shortage increases the risk of developing bone disorders. In contrast, cadmium and mercury serve no physiological purpose and their long-term accumulation damages the osteoarticular system. We discuss the methods of action and interactions between the discussed elements as well as the concentrations of each element in distinct bone structures.
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Affiliation(s)
- Żaneta Ciosek
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
| | - Karolina Kot
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Iwona Rotter
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
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10
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Everts V, Jansen IDC, de Vries TJ. Mechanisms of bone resorption. Bone 2022; 163:116499. [PMID: 35872106 DOI: 10.1016/j.bone.2022.116499] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/12/2022] [Accepted: 07/15/2022] [Indexed: 01/08/2023]
Affiliation(s)
- Vincent Everts
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University, Amsterdam, the Netherlands; Department of Anatomy, Dental Faculty, Chulalongkorn University, Bangkok, Thailand.
| | - Ineke D C Jansen
- Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University, Amsterdam, the Netherlands
| | - Teun J de Vries
- Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University, Amsterdam, the Netherlands
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11
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Licini C, Notarstefano V, Marchi S, Cerqueni G, Ciapetti G, Vitale‐Brovarone C, Giorgini E, Mattioli‐Belmonte M. Altered type I collagen networking in osteoporotic human femoral head revealed by histomorphometric and Fourier transform infrared imaging correlated analyses. Biofactors 2022; 48:1089-1110. [PMID: 35661288 PMCID: PMC9796100 DOI: 10.1002/biof.1870] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/30/2022] [Indexed: 12/30/2022]
Abstract
Bone homeostasis is the equilibrium between organic and inorganic components of the extracellular matrix (ECM) and cells. Alteration of this balance has consequences on bone mass and architecture, resulting in conditions such as osteoporosis (OP). Given ECM protein mutual regulation and their effects on bone structure and mineralization, further insight into their expression is crucial to understanding bone biology under normal and pathological conditions. This study focused on Type I Collagen, which is mainly responsible for structural properties and mineralization of bone, and selected proteins implicated in matrix composition, mineral deposition, and cell-matrix interaction such as Decorin, Osteocalcin, Osteopontin, Bone Sialoprotein 2, Osteonectin and Transforming Growth Factor beta. We developed a novel multidisciplinary approach in order to assess bone matrix in healthy and OP conditions more comprehensively by exploiting the Fourier Transform Infrared Imaging (FTIRI) technique combined with histomorphometry, Sirius Red staining, immunohistochemistry, and Western Blotting. This innovatory procedure allowed for the analysis of superimposed tissue sections and revealed that the alterations in OP bone tissue architecture were associated with warped Type I Collagen structure and deposition but not with changes in the total protein amount. The detected changes in the expression and/or cooperative or antagonist role of Decorin, Osteocalcin, Osteopontin, and Bone Sialoprotein-2 indicate the deep impact of these NCPs on collagen features of OP bone. Overall, our strategy may represent a starting point for designing targeted clinical strategies aimed at bone mass preservation and sustain the FTIRI translational capability as upcoming support for traditional diagnostic methods.
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Affiliation(s)
- Caterina Licini
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
- Department of Applied Science and TechnologyPolitecnico di TorinoTorinoItaly
| | - Valentina Notarstefano
- Department of Life and Environmental SciencesUniversità Politecnica delle MarcheAnconaItaly
| | - Saverio Marchi
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
| | - Giorgia Cerqueni
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
| | - Gabriela Ciapetti
- Laboratory of Nanobiotechnology (NaBi)IRCCS Istituto Ortopedico RizzoliBolognaItaly
| | | | - Elisabetta Giorgini
- Department of Life and Environmental SciencesUniversità Politecnica delle MarcheAnconaItaly
| | - Monica Mattioli‐Belmonte
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
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12
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Kakadia N, Vegad K, Kanaki N. Acacia arabica ( Lam.) Willd. On osteoblastogenesis, osteoblast proliferation, osteoclastic activity, and bone calcium mineralization. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2022; 19:711-717. [PMID: 35343656 DOI: 10.1515/jcim-2021-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 03/07/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND Since ancient times Acacia arabica (Lam.) Willd. (AA) consumed for the bone and muscle related disorder like the bone fracture, rheumatoid arthritis, and bone loss. OBJECTIVES To study the effects of the aqueous (AAA) and ethanolic extract (AAE) of AA on osteoblast proliferation and differentiation, osteoclastic activity and bone matrix mineralization using in vitro primary bone-marrow cultures. MATERIAL AND METHODS : Effect of AAA and AAE was estimated using four in vitro assays. Primary bone marrow cell culture, isolated from rat femur bone, was used for all the assays. Cell growth and viability were assessed by standard colorimetric assays like MTT assay. The differentiation of mesenchymal stem cells into osteoblastic lineage was evaluated by the measuring the levels of the osteoblast-specific marker, alkaline phosphatase. Antiosteoclastic action and matrix mineralization were measured using TRAP assay and Alizarin red-s staining assay, respectively. RESULTS It indicates that AAA causes more increase in osteoblast differentiation and a reduction in osteoclast activity as compared to AAE. In osteoblast proliferation assay, AAA was found to promote more cell proliferation as compared to AAE. Higher concentrations of AAA significantly increased mineralization of bone-like matrix. CONCLUSIONS The extracts of AA have a significant positive influence on osteogenesis and they inhibit osteoclastogenesis. Hence, these extracts have the potential to be developed as a therapy for osteoporosis.
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Affiliation(s)
- Nimisha Kakadia
- Department of Pharmacology and Pharmacy Practice, K.B. Institute of Pharmaceutical Education and Research, Gandhinagar, Gujarat, India
| | - Kunjal Vegad
- Department of Pharmacognosy, Sharda School of Pharmacy, Gandhinagar, Gujarat, India
| | - Niranjan Kanaki
- Department of Pharmacognosy, K.B. Institute of Pharmaceutical Education and Research, Gandhinagar, Gujarat, India
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13
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Makishi S, Yamazaki T, Ohshima H. Osteopontin on the Dental Implant Surface Promotes Direct Osteogenesis in Osseointegration. Int J Mol Sci 2022; 23:ijms23031039. [PMID: 35162963 PMCID: PMC8835189 DOI: 10.3390/ijms23031039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/08/2022] [Accepted: 01/15/2022] [Indexed: 02/01/2023] Open
Abstract
After dental implantation, osteopontin (OPN) is deposited on the hydroxyapatite (HA) blasted implant surface followed by direct osteogenesis, which is significantly disturbed in Opn-knockout (KO) mice. However, whether applying OPN on the implant surface promotes direct osteogenesis remains unclarified. This study analyzed the effects of various OPN modified protein/peptides coatings on the healing patterns of the bone-implant interface after immediately placed implantation in the maxilla of four-week-old Opn-KO and wild-type (WT) mice (n = 96). The decalcified samples were processed for immunohistochemistry for OPN and Ki67 and tartrate-resistant acid phosphatase histochemistry. In the WT mice, the proliferative activity in the HA binding peptide-OPN mimic peptide fusion coated group was significantly higher than that in the control group from day 3 to week 1, and the rates of OPN deposition and direct osteogenesis around the implant surface significantly increased in the recombinant-mouse-OPN (rOPN) group compared to the Gly-Arg-Gly-Asp-Ser peptide group in week 2. The rOPN group achieved the same rates of direct osteogenesis and osseointegration as those in the control group in a half period (week 2). None of the implant surfaces could rescue the direct osteogenesis in the healing process in the Opn-KO mice. These results suggest that the rOPN coated implant enhances direct osteogenesis during osseointegration following implantation.
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Affiliation(s)
- Sanako Makishi
- Division of Anatomy and Cell Biology of the Hard Tissue, Department of Tissue Regeneration and Reconstruction, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan;
| | - Tomohiko Yamazaki
- Research Center for Functional Materials, National Institute for Materials Science, Tsukuba 305-0047, Japan;
| | - Hayato Ohshima
- Division of Anatomy and Cell Biology of the Hard Tissue, Department of Tissue Regeneration and Reconstruction, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan;
- Correspondence: ; Tel.: +81-25-227-2812
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14
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Immunogenetics of Lupus Erythematosus. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1367:213-257. [DOI: 10.1007/978-3-030-92616-8_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Phosphorylated Osteopontin Secreted from Cancer Cells Induces Cancer Cell Motility. Biomolecules 2021; 11:biom11091323. [PMID: 34572536 PMCID: PMC8470647 DOI: 10.3390/biom11091323] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/30/2021] [Accepted: 09/04/2021] [Indexed: 12/22/2022] Open
Abstract
Osteopontin (OPN) plays a pivotal role in cancer cell invasion and metastasis. Although OPN has a large number of phosphorylation sites, the functional significance of OPN phosphorylation in cancer cell motility remains unclear. In this study, we attempted to investigate whether phosphorylated OPN secreted from cancer cells affect cancer cell migration. Quantitative PCR and Western blot analyses revealed that MDA-MB435S, A549, and H460 cells highly expressed OPN, whereas the OPN expression levels in H358, MIAPaca-2, and Panc-1 cells were quite low or were not detected. Compared with the cancer cell lines with a low OPN expression, the high OPN-expressing cancer cell lines displayed a higher cell migration, and the cell migration was suppressed by the anti-OPN antibody. This was confirmed by the OPN overexpression in H358 cancer cells with a low endogenous OPN. Phos-tag ELISA showed that phosphorylated OPN was abundant in the cell culture media of A549 and H460 cells, but not in those of MDA-MB435S cells. Moreover, the A549 and H460 cell culture media, as well as the MDA-MB435S cell culture media with a kinase treatment increased cancer cell motility, both of which were abrogated by phosphatase treatment or anti-OPN antibodies. These results suggest that phosphorylated OPN secreted from cancer cells regulates cancer cell motility.
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16
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Feder D, Mohd-Pahmi SH, Hussein WM, Guddat LW, McGeary RP, Schenk G. Rational Design of Potent Inhibitors of a Metallohydrolase Using a Fragment-Based Approach. ChemMedChem 2021; 16:3342-3359. [PMID: 34331400 DOI: 10.1002/cmdc.202100486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Indexed: 11/08/2022]
Abstract
Metallohydrolases form a large group of enzymes that have fundamental importance in a broad range of biological functions. Among them, the purple acid phosphatases (PAPs) have gained attention due to their crucial role in the acquisition and use of phosphate by plants and also as a promising target for novel treatments of bone-related disorders and cancer. To date, no crystal structure of a mammalian PAP with drug-like molecules bound near the active site is available. Herein, we used a fragment-based design approach using structures of a mammalian PAP in complex with the MaybridgeTM fragment CC063346, the amino acid L-glutamine and the buffer molecule HEPES, as well as various solvent molecules to guide the design of highly potent and efficient mammalian PAP inhibitors. These inhibitors have improved aqueous solubility when compared to the clinically most promising PAP inhibitors available to date. Furthermore, drug-like fragments bound in newly discovered binding sites mapped out additional scaffolds for further inhibitor discovery, as well as scaffolds for the design of inhibitors with novel modes of action.
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Affiliation(s)
- Daniel Feder
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia.,Department of Biochemistry and Molecular Biology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Siti H Mohd-Pahmi
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Waleed M Hussein
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Luke W Guddat
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Ross P McGeary
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Gerhard Schenk
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, 4072, Australia.,Sustainable Minerals Institute, The University of Queensland, Brisbane, QLD, 4072, Australia.,Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
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17
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Chaichit S, Sato T, Yu H, Tanaka YK, Ogra Y, Mizoguchi T, Itoh M. Evaluation of Dexamethasone-Induced Osteoporosis In Vivo Using Zebrafish Scales. Pharmaceuticals (Basel) 2021; 14:ph14060536. [PMID: 34205111 PMCID: PMC8228068 DOI: 10.3390/ph14060536] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 02/03/2023] Open
Abstract
Glucocorticoid-induced osteoporosis (GIOP) is a major cause of secondary osteoporosis, and the pathogenic mechanisms of GIOP remain to be elucidated. Here, we show a rapid dexamethasone-induced osteoporosis animal model using zebrafish scales. Intraperitoneal injection of dexamethasone over a 5-day period suppressed the regeneration of scales. Furthermore, the circularity of the newly formed regenerated scales was also slightly reduced compared to that of the control group on day 5. The changes in bone-related enzymes, such as cathepsin K, tartrate-resistant acid phosphatase (TRAP) for bone resorption, and alkaline phosphatase (ALP) for bone formation, provide insight into the progression of bone diseases; therefore, we further developed a method to measure the activities of cathepsin K, TRAP, and ALP using zebrafish scales. We found that a lysis buffer with detergent at neutral pH under sonication efficiently helped extract these three enzymes with high activity levels. Interestingly, treatment with a dexamethasone injection produced considerably higher levels of cathepsin K activity and a lower Ca/P ratio than those in the control group, suggesting that dexamethasone increased osteoclast activity, with no significant changes in the activities of TRAP and ALP. Our GIOP model and enzyme assay method could help to design better treatments for GIOP.
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Affiliation(s)
- Siripat Chaichit
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
- Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Takuto Sato
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
| | - Huiqing Yu
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
| | - Yu-ki Tanaka
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
| | - Yasumitsu Ogra
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
| | - Takamasa Mizoguchi
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
| | - Motoyuki Itoh
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan; (S.C.); (T.S.); (H.Y.); (Y.-k.T.); (Y.O.); (T.M.)
- Correspondence: ; Tel.: +81-43-226-2890
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18
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Bonatto Paese CL, Brooks EC, Aarnio-Peterson M, Brugmann SA. Ciliopathic micrognathia is caused by aberrant skeletal differentiation and remodeling. Development 2021; 148:148/4/dev194175. [PMID: 33589509 DOI: 10.1242/dev.194175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 01/13/2021] [Indexed: 12/16/2022]
Abstract
Ciliopathies represent a growing class of diseases caused by defects in microtubule-based organelles called primary cilia. Approximately 30% of ciliopathies are characterized by craniofacial phenotypes such as craniosynostosis, cleft lip/palate and micrognathia. Patients with ciliopathic micrognathia experience a particular set of difficulties, including impaired feeding and breathing, and have extremely limited treatment options. To understand the cellular and molecular basis for ciliopathic micrognathia, we used the talpid2 (ta2 ), a bona fide avian model for the human ciliopathy oral-facial-digital syndrome subtype 14. Histological analyses revealed that the onset of ciliopathic micrognathia in ta2 embryos occurred at the earliest stages of mandibular development. Neural crest-derived skeletal progenitor cells were particularly sensitive to a ciliopathic insult, undergoing unchecked passage through the cell cycle and subsequent increased proliferation. Furthermore, whereas neural crest-derived skeletal differentiation was initiated, osteoblast maturation failed to progress to completion. Additional molecular analyses revealed that an imbalance in the ratio of bone deposition and resorption also contributed to ciliopathic micrognathia in ta2 embryos. Thus, our results suggest that ciliopathic micrognathia is a consequence of multiple aberrant cellular processes necessary for skeletal development, and provide potential avenues for future therapeutic treatments.
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Affiliation(s)
- Christian Louis Bonatto Paese
- Division of Developmental Biology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Division of Plastic Surgery, Department of Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Evan C Brooks
- Division of Developmental Biology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Division of Plastic Surgery, Department of Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Megan Aarnio-Peterson
- Division of Developmental Biology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Division of Plastic Surgery, Department of Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Samantha A Brugmann
- Division of Developmental Biology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA .,Division of Plastic Surgery, Department of Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Shriners Children's Hospital, Cincinnati, OH 45229, USA
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19
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Phan QT, Liu R, Tan WH, Imangali N, Cheong B, Schartl M, Winkler C. Macrophages Switch to an Osteo-Modulatory Profile Upon RANKL Induction in a Medaka ( Oryzias latipes) Osteoporosis Model. JBMR Plus 2020; 4:e10409. [PMID: 33210062 PMCID: PMC7657398 DOI: 10.1002/jbm4.10409] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/16/2020] [Accepted: 08/27/2020] [Indexed: 12/16/2022] Open
Abstract
In mammals, osteoclasts differentiate from macrophages in the monocyte lineage. Although many factors driving osteoclast formation are known, the detailed processes underlying precursor recruitment, differentiation, and interaction of macrophages with other cell types involved in bone remodeling are poorly understood. Using live imaging in a transgenic medaka osteoporosis model, where ectopic osteoclasts are induced by RANKL expression, we show that a subset of macrophages is recruited to bone matrix to physically interact with bone-forming osteoblast progenitors. These macrophages subsequently differentiate into cathepsin K- (ctsk-) positive osteoclasts. One day later, other macrophages are recruited to clear dying osteoclasts from resorbed bone by phagocytosis. To better understand the molecular changes underlying these dynamic processes, we performed transcriptome profiling of activated macrophages upon RANKL induction. This revealed an upregulation of several bone-related transcripts. Besides osteoclast markers, we unexpectedly also found expression of osteoblast-promoting signals in activated macrophages, suggesting a possible non-cell autonomous role in osteogenesis. Finally, we show that macrophage differentiation into osteoclasts is dependent on inflammatory signals. Medaka deficient for TNFα or treated with the TNFα-inhibitor pentoxifylline exhibited impaired macrophage recruitment and osteoclast differentiation. These results show the involvement of inflammatory signals and the dynamics of a distinct subset of macrophages during osteoclast formation. © 2020 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Quang Tien Phan
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
| | - Ranran Liu
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
| | - Wen Hui Tan
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
| | - Nurgul Imangali
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
| | - Benedict Cheong
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
| | - Manfred Schartl
- Department of Developmental Biochemistry, BiocenterUniversity of WürzburgWürzburgGermany
- The Xiphophorus Genetic Stock CenterTexas State UniversitySan MarcosTexasUSA
| | - Christoph Winkler
- Department of Biological Sciences and Centre for Bioimaging SciencesNational University of SingaporeSingaporeSingapore
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20
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Carvalho ÉBS, Veronesi GF, Manfredi GGP, Damante CA, Sant'Ana ACP, Greghi SLA, Zangrando MSR, Consolaro A, Rezende MLR. Bone demineralization improves onlay graft consolidation: A histological study in rat calvaria. J Periodontol 2020; 92:1-10. [PMID: 32997353 DOI: 10.1002/jper.20-0390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 11/08/2022]
Abstract
BACKGROUND Previous data suggest that bone demineralization may promote bone graft consolidation as well as proliferation and differentiation of pre-osteoblasts, but the biological mechanisms involved in this process need to be clarified. This study investigated the effects of bone demineralization with citric acid (CA) and tetracycline (TCN) on the repair of onlay bone grafts. METHODS Onlay bone grafts were performed on the calvaria of 126 Wistar rats. The contacting surfaces between bone graft and receptor bone bed were demineralized for 15, 30, and 60 seconds with TCN (50 mg/mL), or 10% CA, (pH 1), constituting the following test groups (n = 18): TCN15, TCN30, TCN60, CA15, CA30, and CA60. Control grafts (C) were performed without demineralization (n = 18). After 7, 30, and 60 days, biopsies were obtained for quantitative and qualitative histological analysis (a = 6). RESULTS Demineralization accelerated the bone repair early from 7 days of healing. Higher percentage area of newly formed bone was observed in CA15 and TCN60 groups when compared to C in all evaluation periods (P = 0.02). At 30 days, C specimens had lower percentage of consolidated surfaces than TCN60, TCN30 and CA15 (P = 0.0015). At 60 days, CA15, CA60, and TCN60 presented bone surfaces almost completely filled by newly formed bone, against about 75% in C specimens (P = 0.0015). CONCLUSIONS Both CA and TCN were effective in accelerating osteogenesis at the interface between bone grafts and receptor bone beds, especially when applied for 15 seconds and 60 seconds, respectively.
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Affiliation(s)
- Érika B S Carvalho
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Giovana F Veronesi
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Gustavo G P Manfredi
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Carla A Damante
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Adriana C P Sant'Ana
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Sebastião L A Greghi
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Mariana S R Zangrando
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Alberto Consolaro
- Department of Stomatology, Division of Pathology, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Maria L R Rezende
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
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Hirose K, Ishimoto T, Usami Y, Sato S, Oya K, Nakano T, Komori T, Toyosawa S. Overexpression of Fam20C in osteoblast in vivo leads to increased cortical bone formation and osteoclastic bone resorption. Bone 2020; 138:115414. [PMID: 32416287 DOI: 10.1016/j.bone.2020.115414] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/10/2020] [Accepted: 05/11/2020] [Indexed: 01/03/2023]
Abstract
Fam20C, which phosphorylates many secretory proteins with S-x-E/pS motifs, is highly expressed in bone and tooth tissues, implying that Fam20C-mediated phosphorylation is critical for regulation of these mineralized tissues. Previous studies of Fam20C-deficient mice revealed that Fam20C plays important roles in bone formation and mineralization. However, Fam20C-deficient mice develop hypophosphatemia, a systemic factor that masks the local effect of Fam20C in the bone tissue; consequently, the local role of Fam20C remains unknown. To elucidate the local function of Fam20C in bone tissue, we studied osteoblast-specific Fam20C transgenic (Fam20C-Tg) mice, which have no alteration in serum calcium and phosphate levels. Fam20C-Tg mice had more highly phosphorylated proteins in bone tissue than wild-type mice. In cortical bone of Fam20C-Tg mice, bone volume, mineralization surface (MS/BS), and mineral apposition rate (MAR) were elevated; in addition, the transgenic mice had an elevated number of vascular canals, resulting in an increased cortical porosity. Osteocyte number was elevated in the transgenics, but osteoblast number was unchanged. The microstructure of bone matrix characterized by the preferential orientation of collagen and apatite, was degraded and thus the mechanical function of bone material was deteriorated. In trabecular bone of Fam20C-Tg mice, bone volume was reduced, whereas MS/BS and MAR were unchanged. Osteoclast number was elevated and eroded surface area was non-significantly elevated with an increased serum CTX-I level, whereas osteoblast number was unchanged. These findings indicated that Fam20C overexpression in osteoblasts promotes cortical bone formation by increasing MS/BS and MAR and promoting osteocyte differentiation, but does not affect trabecular bone formation. Furthermore, Fam20C overexpression indirectly promotes osteoclastic bone resorption in cortical and trabecular bones. Our findings show that osteoblastic Fam20C-mediated phosphorylation in bone tissue regulates bone formation and resorption, and bone material quality.
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Affiliation(s)
- Katsutoshi Hirose
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Takuya Ishimoto
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Yu Usami
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Sunao Sato
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Kaori Oya
- Clinical Laboratory, Osaka University Dental Hospital, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Toshihisa Komori
- Basic and Translational Research Center for Hard Tissue Disease, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki 852-8588, Japan.
| | - Satoru Toyosawa
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
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Colorectal Cancer and Bone Tissue: Fantastic Relations and Where to Find Them. Cancers (Basel) 2020; 12:cancers12082029. [PMID: 32722068 PMCID: PMC7464482 DOI: 10.3390/cancers12082029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/11/2020] [Accepted: 07/23/2020] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer worldwide. There is a need for the early diagnosis of CRC for a better prognostic outcome. It is, therefore, crucial to understand the CRC pathogenesis in all its aspects. In many cases, one of the main causes of cancer-related deaths is the presence of metastases. In this context, an often overlooked aspect is the metastatic tropism, since CRC, like other cancers, is more prone to metastasize some organs rather than others. Beyond the liver and lung, and differently from other types of cancers, a not usual site of CRC metastases is the bone. However, it may assume a crucial role in the development and the outcome of the disease. Therefore, this review aims to discuss the complex relations between bone markers and CRC pathogenesis, suggesting the use of these molecules as potential targets for therapeutic purposes. Different osteogenic molecules, some of whom are growth factors and are implicated in the different osteogenic pathways, have been proved to also be involved in CRC progression. Some of them are oncogenes, while others oncosuppressors, and in a future perspective, some of them may represent new potential CRC biomarkers.
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Naqvi SM, Panadero Pérez JA, Kumar V, Verbruggen ASK, McNamara LM. A Novel 3D Osteoblast and Osteocyte Model Revealing Changes in Mineralization and Pro-osteoclastogenic Paracrine Signaling During Estrogen Deficiency. Front Bioeng Biotechnol 2020; 8:601. [PMID: 32656194 PMCID: PMC7326002 DOI: 10.3389/fbioe.2020.00601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 05/18/2020] [Indexed: 11/13/2022] Open
Abstract
Recent in vitro studies have revealed that the mechanobiological responses of osteoblasts and osteocytes are fundamentally impaired during estrogen deficiency. However, these two-dimensional (2D) cell culture studies do not account for in vivo biophysical cues. Thus, the objectives of this study are to (1) develop a three-dimensional (3D) osteoblast and osteocyte model integrated into a bioreactor and (2) apply this model to investigate whether estrogen deficiency leads to changes in osteoblast to osteocyte transition, mechanosensation, mineralization, and paracrine signaling associated with bone resorption by osteoclasts. MC3T3-E1s were expanded in media supplemented with estrogen (17β-estradiol). These cells were encapsulated in gelatin-mtgase before culture in (1) continued estrogen (E) or (2) no further estrogen supplementation. Constructs were placed in gas permeable and water impermeable cell culture bags and maintained at 5% CO2 and 37°C. These bags were either mechanically stimulated in a custom hydrostatic pressure (HP) bioreactor or maintained under static conditions (control). We report that osteocyte differentiation, characterized by the presence of dendrites and staining for osteocyte marker dentin matrix acidic phosphoprotein 1 (DMP1), was significantly greater under estrogen withdrawal (EW) compared to under continuous estrogen treatment (day 21). Mineralization [bone sialoprotein (BSP), osteopontin (OPN), alkaline phosphatase (ALP), calcium] and gene expression associated with paracrine signaling for osteoclastogenesis [receptor activator of nuclear factor kappa-β ligand (RANKL)/osteoprotegerin OPG ratio] were significantly increased in estrogen deficient and mechanically stimulated cells. Interestingly, BSP and DMP-1 were also increased at day 1 and day 21, respectively, which play a role in regulation of biomineralization. Furthermore, the increase in pro-osteoclastogenic signaling may be explained by altered mechanoresponsiveness of osteoblasts or osteocytes during EW. These findings highlight the impact of estrogen deficiency on bone cell function and provide a novel in vitro model to investigate the mechanisms underpinning changes in bone cells after estrogen deficiency.
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Affiliation(s)
| | | | | | | | - Laoise M. McNamara
- Mechanobiology and Medical Device Research Group, Department of Biomedical Engineering, College of Engineering and Informatics, National University of Ireland Galway, Galway, Ireland
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Lu DZ, Dong W, Feng XJ, Chen H, Liu JJ, Wang H, Zang LY, Qi MC. CaMKII(δ) regulates osteoclastogenesis through ERK, JNK, and p38 MAPKs and CREB signalling pathway. Mol Cell Endocrinol 2020; 508:110791. [PMID: 32173349 DOI: 10.1016/j.mce.2020.110791] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/02/2020] [Accepted: 03/10/2020] [Indexed: 12/21/2022]
Abstract
Calcium/calmodulin-dependent protein kinases (CaMKs) are a group of important molecules mediating calcium signal transmission and have been proved to participate in osteoclastogenesis regulation. CaMKII, a subtype of CaMKs is expressed during osteoclast differentiation, but its role in osteoclastogenesis regulation remains controversial. In the present study, we identified that both mRNA and protein levels of CaMKII (δ) were upregulated in a time-dependent manner during osteoclast differentiation. CaMKII (δ) gene silencing significantly inhibited osteoclast formation, bone resorption, and expression of osteoclast-related genes, including nuclear factor of activated T cells c1 (NFATc1), tartrate-resistant acid phosphatase (TRAP), and c-Src. Furthermore, CaMKII (δ) gene silencing downregulated phosphorylation of mitogen-activated protein kinases (MAPKs), including JNK, ERK, and p38, which were transiently activated by RANKL. Specific inhibitors of ERK, JNK, and p38 also markedly inhibited expression of osteoclast-related genes, osteoclast formation, and bone resorption like CaMKII (δ) gene silencing. Additionally, CaMKII (δ) gene silencing also suppressed RANKL-triggered CREB phosphorylation. Collectively, these data demonstrate the important role of CaMKII (δ) in osteoclastogenesis regulation through JNK, ERK, and p38 MAPKs and CREB pathway.
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Affiliation(s)
- Da-Zhuang Lu
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China
| | - Wei Dong
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China
| | - Xiao-Jie Feng
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China
| | - Hui Chen
- Department of Oral & Maxillofacial Surgery, Affiliated Hospital of North China University of Science and Technology, Tangshan City, 063000, Hebei Province, PR China
| | - Juan-Juan Liu
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China
| | - Hui Wang
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China
| | - Lu-Yang Zang
- Department of Endocrinology (Section 1), Tangshan Gongren Hospital, Tangshan City, 063000, Hebei Province, PR China
| | - Meng-Chun Qi
- Department of Oral & Maxillofacial Surgery, College of Stomatology, North China University of Science and Technology, 21, Bohai Road, District of Caofeidian, Tangshan City, 063210, Hebei Province, PR China.
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25
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Mira-Pascual L, Patlaka C, Desai S, Paulie S, Näreoja T, Lång P, Andersson G. A Novel Sandwich ELISA for Tartrate-Resistant Acid Phosphatase 5a and 5b Protein Reveals that Both Isoforms are Secreted by Differentiating Osteoclasts and Correlate to the Type I Collagen Degradation Marker CTX-I In Vivo and In Vitro. Calcif Tissue Int 2020; 106:194-207. [PMID: 31654098 DOI: 10.1007/s00223-019-00618-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 09/21/2019] [Indexed: 10/25/2022]
Abstract
Tartrate-resistant acid phosphatase type 5 (TRAP) exists as two isoforms, 5a and 5b. 5b is a marker of osteoclast number and 5a of chronic inflammation; however, its association with bone resorption is unknown. In this study, a double-TRAP 5a/5b sandwich ELISA measuring 5a and 5b protein in the same sample was developed. TRAP 5a and 5b protein levels were evaluated as osteoclast differentiation/activity markers in serum and in culture, and their correlation to the resorption marker CTX-I was examined. Serum TRAP 5a and 5b concentrations in healthy men were 4.4 ± 0.6 ng/ml and 1.3 ± 0.2 ng/ml, respectively, and they correlated moderately to each other suggesting that their secretion is coupled under healthy conditions. A correlation was also observed between serum TRAP 5a and 5b with CTX-I, suggesting that both TRAP isoforms associate with osteoclast number. During osteoclast differentiation on plastic/bone, predominantly 5b increased in media/lysate from M-CSF/RANKL-stimulated CD14+ PBMCs. However, substantial levels of 5a were detected at later stages suggesting that both isoforms are secreted from differentiating OCs. More TRAP 5b was released on bone indicating a connection to osteoclast resorptive activity, and a peak in TRAP 5b/5a-ratio coincided with rapid CTX-I release. At the end of the culture period of M-CSF + RANKL-stimulated CD14+ PBMCs, there was a correlation between the secretion of TRAP 5a and 5b proteins with CTX-I. The correlation of not only 5b but also 5a with collagen degradation, both in serum and osteoclast cultures indicates that a considerable proportion of the TRAP 5a originates from osteoclasts and may reflect a hitherto undisclosed regulatory mechanism during bone resorption and bone remodeling.
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Affiliation(s)
- Laia Mira-Pascual
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden
| | - Christina Patlaka
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden
| | - Suchita Desai
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden
| | | | - Tuomas Näreoja
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden.
| | - Pernilla Lång
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden.
| | - Göran Andersson
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Alfred Nobels Allé, 8, 141 52, Stockholm, Sweden
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26
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Almeida AR, Bessa-Gonçalves M, Vasconcelos DM, Barbosa MA, Santos SG. Osteoclasts degrade fibrinogen scaffolds and induce mesenchymal stem/stromal osteogenic differentiation. J Biomed Mater Res A 2019; 108:851-862. [PMID: 31845492 DOI: 10.1002/jbm.a.36863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 12/11/2019] [Indexed: 12/17/2022]
Abstract
Fibrinogen (Fg) is a pro-inflammatory protein with pro-healing properties. Previous work showed that fibrinogen 3D scaffolds (Fg-3D) promote bone regeneration, but the cellular players were not identified. Osteoclasts are bone resorbing cells that promote bone remodeling in close crosstalk with osteoblasts. Herein, the capacity of osteoclasts differentiated on Fg-3D to degrade the scaffolds and promote osteoblast differentiation was evaluated in vitro. Fg-3D scaffolds were prepared by freeze-drying and osteoclasts were differentiated from primary human peripheral blood monocytes. Results obtained showed osteoclasts expressing the enzymes cathepsin K and tartrate resistant acid phosphatase colonizing Fg-3D scaffolds. Osteoclasts were able to significantly degrade Fg-3D, reducing the scaffold's area, and increasing D-dimer concentration, a Fg degradation product, in their culture media. Osteoclast conditioned media from the first week of differentiation promoted significantly stronger human primary mesenchymal stem/stromal cell (MSC) osteogenic differentiation, evaluated by alkaline phosphatase activity. Moreover, week 1 osteoclast conditioned media promoted earlier MSC osteogenic differentiation, than chemical osteogenesis inductors. TGF-β1 was found increased in osteoclast conditioned media from week 1, when compared to week 3 of differentiation. Taken together, our results suggest that osteoclasts are able to differentiate and degrade Fg-3D, producing factors like TGF-β1 that promote MSC osteogenic differentiation.
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Affiliation(s)
- Ana R Almeida
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Mafalda Bessa-Gonçalves
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Daniel M Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Mário A Barbosa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Susana G Santos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
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Synthesis, evaluation and structural investigations of potent purple acid phosphatase inhibitors as drug leads for osteoporosis. Eur J Med Chem 2019; 182:111611. [DOI: 10.1016/j.ejmech.2019.111611] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 07/31/2019] [Accepted: 08/09/2019] [Indexed: 12/18/2022]
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Osteopontin protects against lung injury caused by extracellular histones. Mucosal Immunol 2019; 12:39-50. [PMID: 30115999 DOI: 10.1038/s41385-018-0079-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/25/2018] [Accepted: 07/30/2018] [Indexed: 02/04/2023]
Abstract
Extracellular histones are present in the airways because of cell death occurring during inflammation. They promote inflammation and cause tissue damage due to their cationic nature. The anionic phosphoglycoprotein osteopontin (OPN) is expressed at high levels during airway inflammation and has been ascribed both pro- and anti-inflammatory roles. In this study, it was hypothesized that OPN may neutralize the harmful activities of extracellular histones at the airway mucosal surface. In a model of histone-induced acute lung injury, OPN-/- mice showed increased inflammation and tissue injury, and succumbed within 24 h, whereas wild-type mice showed lower degrees of inflammation and no mortality. In lipopolysaccharide-induced acute lung injury, wild-type mice showed less inflammation and tissue injury than OPN-/- mice. In bronchoalveolar lavage fluid from ARDS patients, high levels of OPN and also histone-OPN complexes were detected. In addition, OPN bound to histones with high affinity in vitro, resulting in less cytotoxicity and reduced formation of tissue-damaging neutrophil extracellular traps (NETs). The interaction between OPN and histones was dependent on posttranslational modification of OPN, i.e., phosphorylation. The findings demonstrate a novel role for OPN, modulating the pro-inflammatory and cytotoxic properties of free histones.
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30
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Noh BJ, Park YK. Giant cell tumor of bone: updated molecular pathogenesis and tumor biology. Hum Pathol 2018; 81:1-8. [DOI: 10.1016/j.humpath.2018.06.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/07/2018] [Accepted: 06/15/2018] [Indexed: 12/12/2022]
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Balogh E, Paragh G, Jeney V. Influence of Iron on Bone Homeostasis. Pharmaceuticals (Basel) 2018; 11:ph11040107. [PMID: 30340370 PMCID: PMC6316285 DOI: 10.3390/ph11040107] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 10/05/2018] [Accepted: 10/12/2018] [Indexed: 02/07/2023] Open
Abstract
Bone homeostasis is a complex process, wherein osteoclasts resorb bone and osteoblasts produce new bone tissue. For the maintenance of skeletal integrity, this sequence has to be tightly regulated and orchestrated. Iron overload as well as iron deficiency disrupt the delicate balance between bone destruction and production, via influencing osteoclast and osteoblast differentiation as well as activity. Iron overload as well as iron deficiency are accompanied by weakened bones, suggesting that balanced bone homeostasis requires optimal-not too low, not too high-iron levels. The goal of this review is to summarize our current knowledge about how imbalanced iron influence skeletal health. Better understanding of this complex process may help the development of novel therapeutic approaches to deal with the pathologic effects of altered iron levels on bone.
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Affiliation(s)
- Enikő Balogh
- Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary.
| | - György Paragh
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary.
| | - Viktória Jeney
- Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, 4012 Debrecen, Hungary.
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Biological role of site-specific O-glycosylation in cell adhesion activity and phosphorylation of osteopontin. Biochem J 2018; 475:1583-1595. [PMID: 29626154 DOI: 10.1042/bcj20170205] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 02/08/2018] [Accepted: 04/03/2018] [Indexed: 01/13/2023]
Abstract
Osteopontin (OPN) is an extracellular glycosylated phosphoprotein that promotes cell adhesion by interacting with several integrin receptors. We previously reported that an OPN mutant lacking five O-glycosylation sites (Thr134/Thr138/Thr143/Thr147/Thr152) in the threonine/proline-rich region increased cell adhesion activity and phosphorylation compared with the wild type. However, the role of O-glycosylation in cell adhesion activity and phosphorylation of OPN remains to be clarified. Here, we show that site-specific O-glycosylation in the threonine/proline-rich region of OPN affects its cell adhesion activity and phosphorylation independently and/or synergistically. Using site-directed mutagenesis, we found that OPN mutants with substitution sets of Thr134/Thr138 or Thr143/Thr147/Thr152 had decreased and increased cell adhesion activity, respectively. In contrast, the introduction of a single mutation into the O-glycosylation sites had no effect on OPN cell adhesion activity. An adhesion assay using function-blocking antibodies against αvβ3 and β1 integrins, as well as αvβ3 integrin-overexpressing A549 cells, revealed that site-specific O-glycosylation affected the association of OPN with the two integrins. Phosphorylation analyses using phos-tag and LC-MS/MS indicated that phosphorylation levels and sites were influenced by the O-glycosylation status, although the number of O-glycosylation sites was not correlated with the phosphorylation level in OPN. Furthermore, a correlation analysis between phosphorylation level and cell adhesion activity in OPN mutants with the site-specific O-glycosylation showed that they were not always correlated. These results provide conclusive evidence of a novel regulatory mechanism of cell adhesion activity and phosphorylation of OPN by site-specific O-glycosylation.
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Robinson NA, Timmerhaus G, Baranski M, Andersen Ø, Takle H, Krasnov A. Training the salmon's genes: influence of aerobic exercise, swimming performance and selection on gene expression in Atlantic salmon. BMC Genomics 2017; 18:971. [PMID: 29246115 PMCID: PMC5731093 DOI: 10.1186/s12864-017-4361-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 12/01/2017] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Farmed and wild Atlantic salmon are exposed to many infectious and non-infectious challenges that can cause mortality when they enter the sea. Exercise before transfer promotes growth, health and survival in the sea. Swimming performance in juveniles at the freshwater parr stage is positively associated with resistance to some diseases. Genetic variation is likely to affect response to exercise. In this study we map genetic differences associated with aerobic exercise, swimming performance and genetic origin. Eggs from the selectively bred Bolaks salmon and wild Lærdal River salmon strains were reared until parr in a common environment. Swimming performance was assessed by subjecting the fish to either continuous hard exercise or control conditions for 18 days. Heart was sampled for examination of gene expression using RNA-seq (~60 fish/treatment). RESULTS Lower expression of genes affecting immune function was found in domesticated than wild parr. Among wild parr under control exercise the expression of a large number of genes involved in general metabolism, stress and immune response was lower in superior swimmers suggesting that minimisation of energy expenditure during periods of low activity makes parr better able to sustain bursts of swimming for predator avoidance. A similar set of genes were down-regulated with training among wild parr with inferior swimming performance. These parr react to training in a way that their cardiac expression patterns become like the superior performing wild parr under control exercise conditions. Diversifying selection caused by breeding of domesticated stock, and adaptive pressures in wild stock, has affected the expression and frequency of single nucleotide polymorphisms (SNPs) for multiple functional groups of genes affecting diverse processes. SNPs associated with swimming performance in wild parr map to genes involved in energetic processes, coding for contractile filaments in the muscle and controlling cell proliferation. CONCLUSIONS Domesticated parr have less phenotypic plasticity in response to training and lower expression of genes with functions affecting immune response. The genetic response to training is complex and depends on the background of parr and their swimming ability. Exercise should be tailored to the genetics and swimming performance of fish.
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Affiliation(s)
- Nicholas A. Robinson
- Nofima, Osloveien 1, 1430 Ås, Norway
- Sustainable Aquaculture Laboratory - Temperate and Tropical (SALTT), School of BioSciences, The University of Melbourne, Parkville, Vic 3010 Australia
- Nofima, PO Box 210, 1431 Ås, Norway
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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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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: 12] [Impact Index Per Article: 1.7] [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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Reithmeier A, Panizza E, Krumpel M, Orre LM, Branca RMM, Lehtiö J, Ek-Rylander B, Andersson G. Tartrate-resistant acid phosphatase (TRAP/ACP5) promotes metastasis-related properties via TGFβ2/TβR and CD44 in MDA-MB-231 breast cancer cells. BMC Cancer 2017; 17:650. [PMID: 28915803 PMCID: PMC5602878 DOI: 10.1186/s12885-017-3616-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 08/28/2017] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Tartrate-resistant acid phosphatase (TRAP/ACP5), a metalloenzyme that is characteristic for its expression in activated osteoclasts and in macrophages, has recently gained considerable focus as a driver of metastasis and was associated with clinically relevant parameters of cancer progression and cancer aggressiveness. METHODS MDA-MB-231 breast cancer cells with different TRAP expression levels (overexpression and knockdown) were generated and characterized for protein expression and activity levels. Functional cell experiments, such as proliferation, migration and invasion assays were performed as well as global phosphoproteomic and proteomic analysis was conducted to connect molecular perturbations to the phenotypic changes. RESULTS We identified an association between metastasis-related properties of TRAP-overexpressing MDA-MB-231 breast cancer cells and a TRAP-dependent regulation of Transforming growth factor (TGFβ) pathway proteins and Cluster of differentiation 44 (CD44). Overexpression of TRAP increased anchorage-independent and anchorage-dependent cell growth and proliferation, induced a more elongated cellular morphology and promoted cell migration and invasion. Migration was increased in the presence of the extracellular matrix (ECM) proteins osteopontin and fibronectin and the basement membrane proteins collagen IV and laminin I. TRAP-induced properties were reverted upon shRNA-mediated knockdown of TRAP or treatment with the small molecule TRAP inhibitor 5-PNA. Global phosphoproteomics and proteomics analyses identified possible substrates of TRAP phosphatase activity or signaling intermediates and outlined a TRAP-dependent regulation of proteins involved in cell adhesion and ECM organization. Upregulation of TGFβ isoform 2 (TGFβ2), TGFβ receptor type 1 (TβR1) and Mothers against decapentaplegic homolog 2 (SMAD2), as well as increased intracellular phosphorylation of CD44 were identified upon TRAP perturbation. Functional antibody-mediated blocking and chemical inhibition demonstrated that TRAP-dependent migration and proliferation is regulated via TGFβ2/TβR, whereas proliferation beyond basal levels is regulated through CD44. CONCLUSION Altogether, TRAP promotes metastasis-related cell properties in MDA-MB-231 breast cancer cells via TGFβ2/TβR and CD44, thereby identifying a potential signaling mechanism associated to TRAP action in breast cancer cells.
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Affiliation(s)
- Anja Reithmeier
- Karolinska Institutet, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
| | - Elena Panizza
- Karolinska Institutet, Department of Oncology-Pathology (OnkPat), K7, Research Group Janne Lehtiö, Box 1031, 171 21 Solna, Sweden
| | - Michael Krumpel
- Karolinska Institutet, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
| | - Lukas M. Orre
- Karolinska Institutet, Department of Oncology-Pathology (OnkPat), K7, Research Group Janne Lehtiö, Box 1031, 171 21 Solna, Sweden
| | - Rui M. M. Branca
- Karolinska Institutet, Department of Oncology-Pathology (OnkPat), K7, Research Group Janne Lehtiö, Box 1031, 171 21 Solna, Sweden
| | - Janne Lehtiö
- Karolinska Institutet, Department of Oncology-Pathology (OnkPat), K7, Research Group Janne Lehtiö, Box 1031, 171 21 Solna, Sweden
| | - Barbro Ek-Rylander
- Karolinska Institutet, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
| | - Göran Andersson
- Karolinska Institutet, Department of Laboratory Medicine (LABMED), H5, Division of Pathology, F46, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
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Hoac B, Nelea V, Jiang W, Kaartinen MT, McKee MD. Mineralization-inhibiting effects of transglutaminase-crosslinked polymeric osteopontin. Bone 2017; 101:37-48. [PMID: 28428079 DOI: 10.1016/j.bone.2017.04.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 03/21/2017] [Accepted: 04/16/2017] [Indexed: 01/12/2023]
Abstract
Osteopontin (OPN) belongs to the SIBLING family (Small, Integrin-Binding LIgand N-linked Glycoproteins) of mineral-binding matrix proteins found in bones and teeth. OPN is a well-known inhibitor of matrix mineralization, and enzymatic modification of OPN can affect this inhibitory function. In bone, OPN exists both as a monomer and as a high-molecular-weight polymer - the latter is formed by transglutaminase-mediated crosslinking of glutamine and lysine residues in OPN to create homotypic protein assemblies. OPN can be covalently crosslinked by transglutaminase 2 (TG2) and Factor XIII-A. Polymeric OPN has increased binding to collagen and promotes osteoblast adhesion, but despite these initial observations, its role in mineralization is not clear. In this study, we investigated the effect of polymerized OPN on mineralization using a hydroxyapatite crystal growth assay and mineralizing MC3T3-E1 osteoblast cultures. In the cultures, endogenous polymeric OPN was detected after mineralization occurred. In cell-free conditions, TG2 was used to crosslink bovine OPN into its polymeric form, and atomic force microscopy and dynamic light scattering revealed variably-sized, large branched aggregates ranging across hundreds of nanometers. These OPN polymers inhibited the growth of hydroxyapatite crystals in solution at concentrations similar to monomeric OPN, although the crosslinking slightly reduced its inhibitory potency. When added to MC3T3-E1 osteoblast cultures, this exogenous polymeric OPN essentially did not inhibit mineralization when given during the later mineralization stages of culture; however, cultures treated early and then continuously with polymeric OPN throughout both the matrix assembly and mineral deposition stages showed reduced mineralization. Immunoblotting of protein extracts from these continuously treated cultures revealed exogenous OPN polymers incorporated into mature matrix that had not yet mineralized. These results suggest that in bone, the increased size and branched structure of crosslinked inhibitory polymeric OPN near the mineralization front could hinder it from accessing focal mineralization sites in the dense collagen-rich matrix, suggesting that OPN-crosslinking into polymers may represent a way to fine-tune the inhibitory potency of OPN on bone mineralization.
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Affiliation(s)
- Betty Hoac
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Valentin Nelea
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Department of Anatomy and Cell Biology, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Wenge Jiang
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Mari T Kaartinen
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Division of Experimental Medicine, Department of Medicine, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Marc D McKee
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Department of Anatomy and Cell Biology, Faculty of Medicine, McGill University, Montreal, QC, Canada.
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Halling Linder C, Ek-Rylander B, Krumpel M, Norgård M, Narisawa S, Millán JL, Andersson G, Magnusson P. Bone Alkaline Phosphatase and Tartrate-Resistant Acid Phosphatase: Potential Co-regulators of Bone Mineralization. Calcif Tissue Int 2017; 101:92-101. [PMID: 28303318 PMCID: PMC5486932 DOI: 10.1007/s00223-017-0259-2] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 02/17/2017] [Indexed: 12/18/2022]
Abstract
Phosphorylated osteopontin (OPN) inhibits hydroxyapatite crystal formation and growth, and bone alkaline phosphatase (BALP) promotes extracellular mineralization via the release of inorganic phosphate from the mineralization inhibitor inorganic pyrophosphate (PPi). Tartrate-resistant acid phosphatase (TRAP), produced by osteoclasts, osteoblasts, and osteocytes, exhibits potent phosphatase activity towards OPN; however, its potential capacity as a regulator of mineralization has not previously been addressed. We compared the efficiency of BALP and TRAP towards the endogenous substrates for BALP, i.e., PPi and pyridoxal 5'-phosphate (PLP), and their impact on mineralization in vitro via dephosphorylation of bovine milk OPN. TRAP showed higher phosphatase activity towards phosphorylated OPN and PPi compared to BALP, whereas the activity of TRAP and BALP towards PLP was comparable. Bovine milk OPN could be completely dephosphorylated by TRAP, liberating all its 28 phosphates, whereas BALP dephosphorylated at most 10 phosphates. OPN, dephosphorylated by either BALP or TRAP, showed a partially or completely attenuated phosphorylation-dependent inhibitory capacity, respectively, compared to native OPN on the formation of mineralized nodules. Thus, there are phosphorylations in OPN important for inhibition of mineralization that are removed by TRAP but not by BALP. In conclusion, our data indicate that both BALP and TRAP can alleviate the inhibitory effect of OPN on mineralization, suggesting a potential role for TRAP in skeletal mineralization. Further studies are warranted to explore the possible physiological relevance of TRAP in bone mineralization.
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Affiliation(s)
- Cecilia Halling Linder
- Department of Clinical Chemistry and Department of Clinical and Experimental Medicine, Linköping University, 581 85, Linköping, Sweden
| | - Barbro Ek-Rylander
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, 141 86, Huddinge, Sweden
| | - Michael Krumpel
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, 141 86, Huddinge, Sweden
| | - Maria Norgård
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, 141 86, Huddinge, Sweden
| | - Sonoko Narisawa
- Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, 92037, USA
| | - José Luis Millán
- Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, 92037, USA
| | - Göran Andersson
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, 141 86, Huddinge, Sweden
| | - Per Magnusson
- Department of Clinical Chemistry and Department of Clinical and Experimental Medicine, Linköping University, 581 85, Linköping, Sweden.
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39
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Gao YL, Liu MR, Yang SX, Dong YJ, Tan XF. Prognostic significance of ACP5 expression in patients with lung adenocarcinoma. CLINICAL RESPIRATORY JOURNAL 2017; 12:1100-1105. [PMID: 28398694 DOI: 10.1111/crj.12637] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 03/21/2017] [Accepted: 04/05/2017] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Tartrate-resistant acid phosphatase 5 (ACP5), which is essential for bone resorption and osteoclast differentiation, promotes cell motility through the modulation of focal adhesion kinase phosphorylation. This study seeks to elucidate the association of ACP5 expression and the clinicopathologic characteristics of patients with lung adenocarcinoma (AD). METHODS The expression of ACP5 was measured by Immunohistochemistry and Western blot analysis in lung AD and matched tumor-adjacent tissues, and the χ2 test was applied to analyze the correlation between ACP5 expression and clinicopathologic features. Using the Kaplan-Meier method, univariate and multivariate regression analysis was to explore the correlation between ACP5 expression and overall survival (OS). RESULTS We found that ACP5 was frequently upregulated in lung AD tissues. The high expression of ACP5 was significantly related to lymph node status, tumor-node-metastasis (TNM) stage, and differentiation. From the results of univariate survival analysis, it indicated that the patients with high expression of ACP5 expression had a significantly lower OS than the patients with low expression of ACP5 expression. As it showed in Multivariate Cox regression analysis, the high expression of ACP5 expression was an independent prognostic factor for OS. CONCLUSIONS Our results suggest that high expression of ACP5 correlates with tumor progression and may serve as a potential prognostic biomarker in lung AD.
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Affiliation(s)
- Ya-Li Gao
- Department of Radiotherapy, Cangzhou Central Hospital, Cangzhou, Hebei, 061001, China
| | - Mei-Rong Liu
- Department of General Internal Medicine, Tianjin Hospital, Tianjin, 300211, China
| | - Shu-Xiang Yang
- Department of General Internal Medicine, Tianjin Hospital, Tianjin, 300211, China
| | - Yu-Jin Dong
- Department of Radiotherapy, Zibo Central Hospital, Zibo, Shandong, 255020, China
| | - Xiao-Feng Tan
- Department of General Internal Medicine, Tianjin Hospital, Tianjin, 300211, China
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40
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Natural uranium impairs the differentiation and the resorbing function of osteoclasts. Biochim Biophys Acta Gen Subj 2017; 1861:715-726. [PMID: 28089586 DOI: 10.1016/j.bbagen.2017.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 12/13/2016] [Accepted: 01/05/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Uranium is a naturally occurring radionuclide ubiquitously present in the environment. The skeleton is the main site of uranium long-term accumulation. While it has been shown that natural uranium is able to perturb bone metabolism through its chemical toxicity, its impact on bone resorption by osteoclasts has been poorly explored. Here, we examined for the first time in vitro effects of natural uranium on osteoclasts. METHODS The effects of uranium on the RAW 264.7 monocyte/macrophage mouse cell line and primary murine osteoclastic cells were characterized by biochemical, molecular and functional analyses. RESULTS We observed a cytotoxicity effect of uranium on osteoclast precursors. Uranium concentrations in the μM range are able to inhibit osteoclast formation, mature osteoclast survival and mineral resorption but don't affect the expression of the osteoclast gene markers Nfatc1, Dc-stamp, Ctsk, Acp5, Atp6v0a3 or Atp6v0d2 in RAW 274.7 cells. Instead, we observed that uranium induces a dose-dependent accumulation of SQSTM1/p62 during osteoclastogenesis. CONCLUSIONS We show here that uranium impairs osteoclast formation and function in vitro. The decrease in available precursor cells, as well as the reduced viability of mature osteoclasts appears to account for these effects of uranium. The SQSTM1/p62 level increase observed in response to uranium exposure is of particular interest since this protein is a known regulator of osteoclast formation. A tempting hypothesis discussed herein is that SQSTM1/p62 dysregulation contributes to uranium effects on osteoclastogenesis. GENERAL SIGNIFICANCE We describe cellular and molecular effects of uranium that potentially affect bone homeostasis.
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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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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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Gao SG, Yu Y, Zeng C, Lu ST, Tian J, Cheng C, Li LJ, Lei GH. Phosphorylation of osteopontin has proapoptotic and proinflammatory effects on human knee osteoarthritis chondrocytes. Exp Ther Med 2016; 12:3488-3494. [PMID: 27882184 DOI: 10.3892/etm.2016.3784] [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: 07/08/2015] [Accepted: 09/09/2016] [Indexed: 12/18/2022] Open
Abstract
The aim of the present study was to investigate the effects of phosphorylated osteopontin (p-OPN) on apoptosis and pro-inflammatory cytokine expression in human knee osteoarthritis (OA) chondrocytes. Human knee OA chondrocytes obtained from patients who underwent total knee arthroplasty were treated with p-OPN, OPN or buffer. Reverse transcription quantitative-polymerase chain reaction (RT-qPCR) and western blot analysis were used to assess the expression levels of proinflammatory factors, including interleukin (IL)-1β, tumor necrosis factor (TNF)-α, IL-6 and nuclear factor (NF)-κB. Apoptosis of human knee OA chondrocytes was detected by Annexin V-fluorescein isothiocyanate/propidium iodide flow cytometry. Compared with the controls, chondrocytes treated with OPN exhibited higher mRNA and protein expression levels of proinflammatory factors (IL-1β, TNF-α, IL-6 and NF-κB), and a higher percentage of apoptotic chondrocytes. Furthermore, chondrocytes treated with p-OPN exhibited the highest mRNA and protein expression levels of proinflammatory factors (IL-1β, TNF-α, IL-6, NF-κB) and the highest percentage of apoptotic chondrocytes. p-OPN induces chondrocyte apoptosis and proinflammatory factor release, which suggests that p-OPN may contribute to OA pathogenesis, and inhibition of p-OPN may provide a novel effective strategy to slow or halt OA progression.
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Affiliation(s)
- Shu-Guang Gao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Yang Yu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
| | - Chao Zeng
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Shi-Tao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, P.R. China
| | - Jian Tian
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Chao Cheng
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, Yiyang Central Hospital, Yiyang, Hunan 413000, P.R. China
| | - Liang-Jun Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Department of Orthopedics, Changsha Central Hospital, Changsha, Hunan 410004, P.R. China
| | - Guang-Hua Lei
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China; Research Center of Clinical Skills of Joint Surgery of Hunan Province, Changsha, Hunan 410008, P.R. China
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Cubillos S, Krieg N, Norgauer J. Effect of Vitamin D on Peripheral Blood Mononuclear Cells from Patients with Psoriasis Vulgaris and Psoriatic Arthritis. PLoS One 2016; 11:e0153094. [PMID: 27050092 PMCID: PMC4822855 DOI: 10.1371/journal.pone.0153094] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 03/23/2016] [Indexed: 01/01/2023] Open
Abstract
Background Psoriasis, a chronic skin disease with or without joint inflammation, has increased circulating proinflammatory cytokine levels. Vitamin D is involved in calcium homeostasis, bone formation, osteoclastogenesis and osteoclast activity, as well as regulation of immune response. We aimed to study osteoclast differentiation and cytokine secretion of peripheral blood mononuclear cells (PBMCs) from patients with psoriasis vulgaris and psoriatic arthritis, in response to 1,25(OH)2D3. Methods Serum levels of bone turnover markers were measured by ELISA in patients with psoriasis vulgaris and psoriatic arthritis, and healthy controls. PBMCs were isolated and cultured with or without RANKL/M-CSF and 1,25(OH)2D3. Osteoclast differentiation and cytokine secretion were assessed. Results Psoriatic arthritis patients had lower osteocalcin, as well as higher C-telopeptide of type I collagen and cathepsin K serum levels compared with psoriasis vulgaris patients and controls. RANKL/M-CSF-stimulated PBMCs from psoriatic arthritis patients produced higher proinflammatory cytokine levels and had a differential secretion profile in response to 1,25(OH)2D3, compared with psoriasis vulgaris and control PBMCs. Conclusions Our data confirmed altered bone turnover in psoriatic arthritis patients, and demonstrated increased osteoclastogenic potential and proinflammatory cytokine secretion capacity of these PBMCs compared with psoriasis vulgaris and controls. 1,25(OH)2D3 abrogated these effects.
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Affiliation(s)
- Susana Cubillos
- Department of Dermatology, Jena University Hospital, Jena, Thüringen, Germany
| | - Nadine Krieg
- Department of Dermatology, Jena University Hospital, Jena, Thüringen, Germany
| | - Johannes Norgauer
- Department of Dermatology, Jena University Hospital, Jena, Thüringen, Germany
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Bouleftour W, Juignet L, Bouet G, Granito RN, Vanden-Bossche A, Laroche N, Aubin JE, Lafage-Proust MH, Vico L, Malaval L. The role of the SIBLING, Bone Sialoprotein in skeletal biology - Contribution of mouse experimental genetics. Matrix Biol 2016; 52-54:60-77. [PMID: 26763578 DOI: 10.1016/j.matbio.2015.12.011] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/23/2015] [Accepted: 12/28/2015] [Indexed: 12/17/2022]
Abstract
Bone Sialoprotein (BSP) is a member of the "Small Integrin-Binding Ligand N-linked Glycoproteins" (SIBLING) extracellular matrix protein family of mineralized tissues. BSP has been less studied than other SIBLING proteins such as Osteopontin (OPN), which is coexpressed with it in several skeletal cell types. Here we review the contribution of genetically engineered mice (BSP gene knockout and overexpression) to the understanding of the role of BSP in the bone organ. The studies made so far highlight the role of BSP in skeletal mineralization, as well as its importance for proper osteoblast and osteoclast differentiation and activity, most prominently in primary/repair bone. The absence of BSP also affects the local environment of the bone tissue, in particular hematopoiesis and vascularization. Interestingly, lack of BSP induces an overexpression of OPN, and the cognate protein could be responsible for some aspects of the BSP gene knockout skeletal phenotype, while replacing BSP for some of its functions. Such interplay between the partly overlapping functions of SIBLING proteins, as well as the network of cross-regulations in which they are involved should now be the focus of further work.
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Affiliation(s)
- Wafa Bouleftour
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Laura Juignet
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Guenaelle Bouet
- Department of Haematology, University of Cambridge and NHS Blood and Transplant, Cambridge, UK
| | | | - Arnaud Vanden-Bossche
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Norbert Laroche
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Jane E Aubin
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Marie-Hélène Lafage-Proust
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Laurence Vico
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France
| | - Luc Malaval
- Université de Lyon - Université Jean Monnet, INSERM U1059-LBTO/IFRESIS, Faculté de Médecine, 10 Chemin de la Marandière, St Priest en Jarez F42270, France.
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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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Krumpel M, Reithmeier A, Senge T, Baeumler TA, Frank M, Nyholm PG, Ek-Rylander B, Andersson G. The small chemical enzyme inhibitor 5-phenylnicotinic acid/CD13 inhibits cell migration and invasion of tartrate-resistant acid phosphatase/ACP5-overexpressing MDA-MB-231 breast cancer cells. Exp Cell Res 2015; 339:154-62. [PMID: 26428664 DOI: 10.1016/j.yexcr.2015.09.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 09/22/2015] [Accepted: 09/26/2015] [Indexed: 01/17/2023]
Abstract
Tartrate-resistant acid phosphatase (TRAP/ACP5/uteroferrin/purple acid phosphatase/PP5) has received considerable attention as a newly discovered proinvasion metastasis driver associated with different malignancies. This renders TRAP an interesting target for novel anti-cancer therapy approaches. TRAP exists as two isoforms, 5a and 5b, where the 5a isoform represents an enzymatically less active monomeric precursor to the more enzymatically active 5b isoform generated by proteolytic excision of a repressive loop domain. Recently, three novel lead compounds were identified by fragment-based screening and demonstrated to be efficient TRAP enzyme inhibitors in vitro. We conclude that one of the three compounds i.e. 5-phenylnicotinic acid (CD13) was efficient as a TRAP inhibitor with Kic values in the low micromolar range towards the TRAP 5b isoform, but was not able to inhibit the TRAP 5a isoform. Structure-based docking revealed similar interactions of CD13 with the active site in both TRAP isoforms. In stably TRAP-overexpressing MDA-MB-231 breast cancer cells, CD13 inhibited intracellular TRAP activity and showed no cytotoxicity at 200 µM. Furthermore, CD13 selectively blocked the TRAP 5b isoform compared to the TRAP 5a in cultured cells, indicating the usefulness of CD13 for assessing the different biological functions of the two TRAP isoforms 5a and 5b in cell systems. Moreover, inhibition of cell migration and invasion of stably TRAP-overexpressing MDA-MB-231 by CD13 was observed. These data establish a proof of principle that a small chemical inhibitor of the TRAP enzyme can block TRAP-dependent functions in cancer cells.
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Affiliation(s)
- Michael Krumpel
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
| | - Anja Reithmeier
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
| | - Teresa Senge
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
| | - Toni Andreas Baeumler
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
| | - Martin Frank
- Biognos AB, PO Box 8963, SE-402 74 Gothenburg, Sweden.
| | | | - Barbro Ek-Rylander
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
| | - Göran Andersson
- Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden.
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Choe CH, Park IS, Park J, Yu KY, Jang H, Kim J, Jang YS. Transmembrane protein 173 inhibits RANKL-induced osteoclast differentiation. FEBS Lett 2015; 589:836-41. [PMID: 25728277 DOI: 10.1016/j.febslet.2015.02.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 02/06/2015] [Accepted: 02/16/2015] [Indexed: 01/03/2023]
Abstract
Tmem173 was identified as a growth inhibitor associated with major histocompatibility complex (MHC) class II and a potential stimulator for IFN-β, an innate immune inducer and a negative feedback controller for RANKL-induced osteoclast differentiation of monocytic macrophage cells. In this study, we confirmed that transmembrane protein 173 (Tmem173) overexpression inhibited the expression of osteoclast-specific genes, tartrate-resistant acid phosphatase (TRAP), cathepsin K, and matrix metalloproteinase-9 (MMP-9), as well as bone resorption pit formation in RANKL-treated RAW 264.7 cells. Activation of osteoclast-specific transcription factors, c-Fos and nuclear factor of activated T cells cytoplasmic-1 (NFATc1), and RANKL-induced activation of ERK were also down-regulated by Tmem173 overexpression. Collectively, these results suggest that Tmem173 plays a regulatory role in RANKL-RANK-mediated signaling in osteoclastogenesis.
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Affiliation(s)
- Chung-Hyeon Choe
- Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea; Department of Molecular Biology and the Institute for Molecular Biology and Genetics, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - In Sun Park
- Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea
| | - Jisang Park
- Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Kang-Yeol Yu
- Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea
| | - Hyonseok Jang
- Department of Oral and Maxillofacial Surgery, Korea University Ansan Hospital, Ansan 425-707, Republic of Korea
| | - Ju Kim
- Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea.
| | - Yong-Suk Jang
- Department of Molecular Biology and the Institute for Molecular Biology and Genetics, Chonbuk National University, Jeonju 561-756, Republic of Korea; Department of Bioactive Material Sciences and Research Center of Bioactive Materials, Chonbuk National University, Jeonju 561-756, Republic of Korea.
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Abstract
The increased awareness of the potential role played by mineral and bone disorder in the appearance of cardiovascular disease in renal patients has produced research efforts aimed at discovering possible pathogenic links. Accordingly, the diagnostic significance of the classic bone markers of mineral disorders and of the new markers in the setting of chronic kidney disease-mineral and bone disorders (CKD-MBD) needs to be re-evaluated along with increasing information. In this article we include classic markers of bone metabolism and some of the noncollagenous bone proteins that are gaining experimental and clinical significance in CKD-MBD. Among classic markers of secondary hyperparathyroidism and of renal osteodystrophy, we analyzed parathyroid hormone, alkaline phosphatase, tartrate-resistant acid phosphatase, and bone collagen-derived peptides. We underlined, for each, the relevance of parent proteins (peptides or isoforms) that affect assay methods and, eventually, the diagnostic or prognostic significance. Also, we considered their relationship with cardiovascular mortality. Among the numerous noncollagenous bone proteins, we examined matrix Gla protein (MGP), osteocalcin (OC), osteoprotegerin, and the small integrin-binding ligand N-linked glycoprotein family. For MGP and OC we report the relevant involvement with the process of calcification (MGP) and with glucose and energy metabolism (OC). Both of these proteins require vitamin K to become active and this is a specific problem in renal patients who frequently are deficient of this vitamin. Finally, recent acquisitions on the fascinating family of the small integrin-binding ligand N-linked glycoprotein proteins are recapitulated briefly to underline their potential clinical interest and their complex involvement with all aspects of CKD-MBD. Their diagnostic role in clinical practice awaits further studies.
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Affiliation(s)
- Sandro Mazzaferro
- Department of Cardiovascular, Respiratory, Nephrologic and Geriatric Sciences, Sapienza University of Rome, Rome, Italy.
| | - Lida Tartaglione
- Department of Cardiovascular, Respiratory, Nephrologic and Geriatric Sciences, Sapienza University of Rome, Rome, Italy
| | - Silverio Rotondi
- Department of Cardiovascular, Respiratory, Nephrologic and Geriatric Sciences, Sapienza University of Rome, Rome, Italy
| | - Jordi Bover
- Department of Nephrology, Fundaciò Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - David Goldsmith
- King's Health Partners, Academic Health Science Centre, London, United Kingdom
| | - Marzia Pasquali
- Department of Cardiovascular, Respiratory, Nephrologic and Geriatric Sciences, Sapienza University of Rome, Rome, Italy
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50
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Osteopontin O-glycosylation contributes to its phosphorylation and cell-adhesion properties. Biochem J 2014; 463:93-102. [PMID: 25000122 DOI: 10.1042/bj20140060] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OPN (osteopontin) is a multiphosphorylated extracellular glycoprotein, which has important roles in bone remodelling, inflammation and cancer metastasis. OPN regulates cell spreading and adhesion primarily through its association with several integrins such as αvβ3, and its phosphorylation affects these processes. However, the mechanism by which OPN O-glycosylation affects these processes is not completely understood. In the present study, we demonstrated that OPN O-glycosylation self-regulates its biological activities and also affects its phosphorylation status. We prepared two recombinant OPNs, WT (wild-type)-OPN and mutant OPN (ΔO-OPN), which lacks five O-glycosylation sites at a threonine/proline-rich region. O-glycan defects in OPN increased its phosphorylation level, as observed by dephosphorylation assays. Moreover, compared with WT-OPN, ΔO-OPN exhibited enhanced cell spreading and adhesion activities and decreased associations with β1 integrins. This suggested that defects in O-glycans in OPN altered these activities, and that β1 integrins have a less important role in adhesion to ΔO-OPN. The cell-adhesion activity of dephosphorylated ΔO-OPN was higher than the cell-adhesion activities of ΔO-OPN and dephosphorylated WT-OPN. This suggested that some of the phosphorylation in ΔO-OPN caused by O-glycan defects and O-glycans of OPN suppressed the OPN cell-adhesion activity. Thus functional activities of OPN can be determined by the combined glycosylation and phosphorylation statuses and not by either status alone.
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