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Marie Encarnacion A, Pootheri N, Yao H, Chen Z, Lee S, Kim E, Lee TH. Novel inhibitor N-cyclopropyl-4-((4-((4-(trifluoromethyl)phenyl)sulfonyl)piperazin-1-yl)methyl)benzamide attenuates RANKL-mediated osteoclast differentiation in vitro. Bioorg Med Chem Lett 2024; 110:129884. [PMID: 38996939 DOI: 10.1016/j.bmcl.2024.129884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 06/24/2024] [Accepted: 07/08/2024] [Indexed: 07/14/2024]
Abstract
Both cyclopropyl amide and piperazine sulfonamide functional groups are known for their various biological properties used for drug development. Herein, we synthesized nine new derivatives with different substituent groups incorporating these moieties and screened them for their anti-osteoclast differentiation activity. After analyzing the structure-activity relationship (SAR), the inhibitory effect against osteoclastogenesis was determined to be dependent on the lipophilicity of the compound. Derivative 5b emerged as the most effective dose-dependent inhibitor after TRAP staining with an IC50 of 0.64 µM against RANKL-induced osteoclast cells. 5b was also able to suppress F-acting ring formation and bone resorption activity of osteoclasts in vitro. Finally, well-acknowledged gene and protein osteoclast-specific marker expression levels were decreased after 5b administration on primary murine osteoclast cells.
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Affiliation(s)
| | - Nithin Pootheri
- Department of Chemistry, Chonnam National University, Gwangju 61186, South Korea
| | - Hongyuan Yao
- Interdisciplinary Department of Biomedical Engineering, Chonnam National University, Gwangju 61186, South Korea
| | - Zhihao Chen
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju 61186, South Korea
| | - Eunae Kim
- College of Pharmacy, Chosun University, Gwangju 61452, South Korea; Host-directed Antiviral Research Center, College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea.
| | - Tae-Hoon Lee
- Interdisciplinary Department of Biomedical Engineering, Chonnam National University, Gwangju 61186, South Korea; Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea.
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He F, Luo S, Liu S, Wan S, Li J, Chen J, Zuo H, Pei X. Zanthoxylum bungeanum seed oil inhibits RANKL-induced osteoclastogenesis by suppressing ERK/c-JUN/NFATc1 pathway and regulating cell cycle arrest in RAW264.7 cells. JOURNAL OF ETHNOPHARMACOLOGY 2022; 289:115094. [PMID: 35149133 DOI: 10.1016/j.jep.2022.115094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/26/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Zanthoxylum bungeanum Maxim (ZBM), a traditional Chinese medicine, is traditionally used for osteoporosis treatment recorded in ancient Chinese medicine work Benjingshuzheng and reported to have the anti-bone loss activity in recent studies. However, the anti-osteoporotic activities of the seed of ZBM have not been elucidated yet. Our previous study found that Zanthoxylum bungeanum Maxim seed oil (ZBSO) was rich in polyunsaturated fatty acids (PUFAs), which were reported to prevent bone loss. Thus, we propose a hypothesis that ZBSO could be a potential natural resource for anti-bone loss. AIM OF THE STUDY To investigate whether ZBSO could prevent bone loss by targeting osteoclastogenesis and investigate the potential mechanisms in receptor-activator of nuclear factor κB ligand (RANKL)-induced RAW264.7 cells. MATERIALS AND METHODS RAW264.7 cells were treated with RANKL in the presence or absence of ZBSO. The effect of ZBSO on osteoclast differentiation and bone resorption activity of RAW264.7 cells were evaluated by tartrate-resistant acid phosphatase (TRAP) staining, F-actin ring staining, and bone resorption assay. Differentially expression genes (DEGs) and relevant pathways of different cell groups were obtained from RNA sequencing and protein-protein interaction (PPI) network analysis followed by KEGG pathway enrichment analysis. The effect of ZBSO on the RANKL-induced cell cycle change was analyzed by flow cytometry assay, and the expression of genes and proteins related to the selected pathways was further verified by RT-qPCR and western blot analysis. RESULTS The inhibitory effects of ZBSO on osteoclast differentiation and bone resorption activity in a dose-dependent manner were demonstrated by TRAP staining, F-actin ring staining, and bone resorption assay in RANKL-induced RAW264.7 cells. Osteoclast differentiation and cell cycle pathways were the most enriched pathways based on DEGs enrichment analysis among different cell groups. The reversion effect of ZBSO on the RANKL-induced RAW264.7 cell cycle arrest at the G1 phase was observed by flow cytometry assay. Western blot results showed that ZBSO markedly decreased RANKL-induced activation of ERK, as well as the phosphorylation of c-JUN and NFATc1 expression, and subsequently suppressed osteoclast-specific genes, such as Ctsk, Trap, and Dc-stamp. CONCLUSIONS ZBSO exhibited an inhibitory effect on osteoclastogenesis via suppressing the ERK/c-JUN/NFATc1 pathway and regulating cell cycle arrest induced by RANKL, suggesting that ZBSO may serve as a promising agent for anti-bone loss.
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Affiliation(s)
- Fangting He
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Shuhan Luo
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Sijing Liu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
| | - Siqi Wan
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Jingjing Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Jiayi Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Haojiang Zuo
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China.
| | - Xiaofang Pei
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, PR China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, Chengdu, 610041, PR China; Non-communicable Diseases Research Center, West China-PUMC C.C Chen Institute of Health, Sichuan University, Chengdu, 610041, PR China.
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Porous 3D Scaffolds Enhance MSC Vitality and Reduce Osteoclast Activity. Molecules 2021; 26:molecules26206258. [PMID: 34684837 PMCID: PMC8541337 DOI: 10.3390/molecules26206258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/13/2021] [Indexed: 11/16/2022] Open
Abstract
In the context of an aging population, unhealthy Western lifestyle, and the lack of an optimal surgical treatment, deep osteochondral defects pose a great challenge for the public health system. Biodegradable, biomimetic scaffolds seem to be a promising solution. In this study we investigated the biocompatibility of porous poly-((D,L)-lactide-ε-caprolactone)dimethacrylate (LCM) scaffolds in contrast to compact LCM scaffolds and blank cell culture plastic. Thus, morphology, cytotoxicity and metabolic activity of human mesenchymal stromal cells (MSC) seeded directly on the materials were analyzed after three and six days of culturing. Further, osteoclastogenesis and osteoclastic activity were assessed using reverse-transcriptase real-time PCR of osteoclast-specific genes, EIA and morphologic aspects after four, eight, and twelve days. LCM scaffolds did not display cytotoxic effects on MSC. After three days, metabolic activity of MSC was enhanced on 3D porous scaffolds (PS) compared to 2D compact scaffolds (CS). Osteoclast activity seemed to be reduced at PS compared to cell culture plastic at all time points, while no differences in osteoclastogenesis were detectable between the materials. These results indicate a good cytocompatibility of LCM scaffolds. Interestingly, porous 3D structure induced higher metabolic activity of MSC as well as reduced osteoclast activity.
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Peng X, Li Y, Cheng C, Ning W, Yu X. Research on the inhibition for aseptic loosening of artificial joints by Sr-doped calcium polyphosphate (SCPP) in vivo. Biomed Mater 2021; 16:065017. [PMID: 34493695 DOI: 10.1088/1748-605x/ac2492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 08/27/2021] [Indexed: 02/08/2023]
Abstract
Aseptic loosening of artificial joints is the most common complication after artificial joint replacement. Finding the solution to tackle aseptic loosening of artificial joints is a focus in bone and joint surgery research field.In vitrostudies of Sr-doped calcium polyphosphate (SCPP) have found by our team that it could promote osteoblast proliferation and inhibit osteoclast activity, and it has a potential inhibitory effect on aseptic loosening by suppressing the expression of receptor activator of nuclear factor-κ B ligand and improving the expression of OPG. The present study aims to confirm the conclusionin vitroby the mean of animal experiment. The Ti rod prosthesis coated with SCPP, calcium polyphosphate (CPP), and Ultra-high molecular weight polyethylene (UHMWPE were implanted in the femur (the internal surface of bone tunnel was also coated with SCPP, CPP and UHMWPE respectively). Radiography (x-rays, micro-CT), histochemistry (Hematoxylin-eosin staining (HE), methylene blue-acid fuchsin, Von Kossa histological staining), molecular biology (alkaline phosphatase and TRAP5b factors, Mir21-5p and Mir 26a-5p) were performed to analyzed the effects of SCPP within 20 weeks. The Radiography results showed that osteolysis with various severity occurred in all groups, and SCPP group had the mildest osteolysis. Histochemistry results showed that arthritis was milder in SCPP and CPP groups, while the bone formation in SCPP group was most significant. Its bone reconstruction effect was the best as well. The Molecular biology results showed that the bone reconstruction was out-sync in each group. Compared with other groups, the bone resorption occurred at the latest and the bone resorption time was the shortest in experimental animals of SCPP group. All results indicated that SCPP could promote osteoblast activity and bone reconstruction, improve the integration of bone interface between prosthesis and base bone, reduce osteoclast activity and shorten the osteoclast action time at the implantation sitein vivo. Thus, it could postpone or alleviate the occurrence and development of aseptic looseningin vivo. Therefore, SCPP could be a promising material for the construction of artificial joints with the ability to resist aseptic loosening.
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Affiliation(s)
- Xu Peng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
- Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, People's Republic of China
| | - Yanjiang Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Wang Ning
- Regenerative Medicine Research Center, West China Hospital of Sichuan University, Chengdu 610041, People's Republic of China
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
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Weng W, Zanetti F, Bovard D, Braun B, Ehnert S, Uynuk-Ool T, Histing T, Hoeng J, Nussler AK, Aspera-Werz RH. A simple method for decellularizing a cell-derived matrix for bone cell cultivation and differentiation. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:124. [PMID: 34524552 PMCID: PMC8443471 DOI: 10.1007/s10856-021-06601-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/29/2021] [Indexed: 05/02/2023]
Abstract
The extracellular matrix regulates cell survival, proliferation, and differentiation. In vitro two-dimensional cell experiments are typically performed on a plastic plate or a substrate of a single extracellular matrix constituent such as collagen or calcium phosphate. As these approaches do not include extracellular matrix proteins or growth factors, they fail to mimic a complex cell microenvironment. The cell-derived matrix is an alternative platform for better representing the in vivo microenvironment in vitro. Standard decellularization of a cell-derived matrix is achieved by combining chemical and physical methods. In this study, we compared the decellularization efficacy of several methods: ammonium hydroxide, sodium dodecyl sulfate (SDS), or Triton X-100 with cold or heat treatment on a matrix of Saos-2 cells. We found that the protocols containing SDS were cytotoxic during recellularization. Heat treatment at 47 °C was not cytotoxic, removed cellular constituents, inactivated alkaline phosphatase activity, and maintained the levels of calcium deposition. Subsequently, we investigated the differentiation efficiency of a direct bone coculture system in the established decellularized Saos-2 matrix, an inorganic matrix of calcium phosphate, and a plastic plate as a control. We found that the decellularized Saos-2 cell matrix obtained by heat treatment at 47 °C enhanced osteoclast differentiation and matrix mineralization better than the inorganic matrix and the control. This simple and low-cost method allows us to create a Saos-2 decellularized matrix that can be used as an in vivo-like support for the growth and differentiation of bone cells.
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Affiliation(s)
- Weidong Weng
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Filippo Zanetti
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - David Bovard
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Bianca Braun
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Sabrina Ehnert
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Tatiana Uynuk-Ool
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Tina Histing
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland
| | - Andreas K Nussler
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany
| | - Romina H Aspera-Werz
- Department of Trauma and Reconstructive Surgery, BG Trauma Center Tübingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tübingen, 72076, Tübingen, Germany.
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Fonseca Santos RK, Santos CB, Reis AR, Brandão-Lima PN, de Carvalho GB, Martini LA, Pires LV. Role of food fortification with vitamin D and calcium in the bone remodeling process in postmenopausal women: a systematic review of randomized controlled trials. Nutr Rev 2021; 80:826-837. [PMID: 34368851 DOI: 10.1093/nutrit/nuab055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Foods containing vitamin D reduce the deficiency of this vitamin and improve bone turnover. OBJECTIVE To discuss effects of the intake of vitamin D-fortified foods in isolated form or associated with calcium on bone remodeling in postmenopausal women. DATA SOURCES PubMed, Lilacs, Scopus, and Bireme databases. OpenThesis and Google Scholar were searched as "grey literature". Medical subject headings or similar terms related to food fortified with vitamin D and bone in postmenopausal women were used. DATA EXTRACTION Information was collected on study methodology and characteristics of studied populations; dosage; the food matrix used as the fortification vehicle; duration of intervention; dietary intake; 25-hydroxyvitamin D [25(OH)D] levels; serum parathyroid hormone (PTH) concentrations; bone resorption and/or formation markers (ie, carboxy terminal cross-linked telopeptide of type I collagen [CTX], tartrate-resistant acid phosphatase isoform 5b [TRAP5b], and procollagen type 1 N-terminal propeptide [P1NP]); main results; and study limitations. DATA ANALYSIS Five randomized controlled trials involving postmenopausal women were included. The mean ages of participants ranged from 56.1 to 86.9 years. Daily consumption of soft plain cheese fortified with 2.5 µg of vitamin D3 and 302 mg of calcium for 4 weeks resulted in a mean increase of 0.8 ng/mL in 25(OH)D and 15.9 ng/mL in P1NP levels compared with baseline, and decreased CTX, TRAP5b, and PTH values. A similar intervention for 6 weeks, using fortified cheese, showed a reduction only in TRAP5b values (-0.64 U/L). Yogurt fortified with 10 µg of vitamin D3 and 800 mg of calcium did not change P1NP values after 8 weeks of intervention, but was associated with decreases of 0.0286 ng/mL and 1.06 U/L in PTH and TRAP5b, respectively. After 12 weeks of eating the fortified yogurt, 25(OH)D levels increased by a mean of 8.8 ng/mL and PTH levels decreased in by a mean of 0.0167 ng/mL. CONCLUSIONS The interventions contributed toward the improvement of the bone resorption process but not to the bone formation process in postmenopausal women. PROSPERO REGISTRATION NUMBER CRD42019131976.
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Affiliation(s)
- Ramara Kadija Fonseca Santos
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Cynthia Batista Santos
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Aline Rocha Reis
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Paula Nascimento Brandão-Lima
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Gabrielli Barbosa de Carvalho
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Ligia Araújo Martini
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Liliane Viana Pires
- R.K. Fonseca Santos, C.B. Santos, A.R. Reis, G.B. de Carvalho, and L.V. Pires are with the Nutrition Sciences Post-Graduate Program, Department of Nutrition, Federal University of Sergipe, Sergipe, Brazil. P.N. Brandão-Lima is with the Post-Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil. L.A. Martini is with the Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil
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Zhu S, Häussling V, Aspera-Werz RH, Chen T, Braun B, Weng W, Histing T, Nussler AK. Bisphosphonates Reduce Smoking-Induced Osteoporotic-Like Alterations by Regulating RANKL/OPG in an Osteoblast and Osteoclast Co-Culture Model. Int J Mol Sci 2020; 22:ijms22010053. [PMID: 33374546 PMCID: PMC7793101 DOI: 10.3390/ijms22010053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 12/21/2020] [Indexed: 02/07/2023] Open
Abstract
Co-culture models have become mandatory for obtaining better insights into bone homeostasis, which relies on the balance between osteoblasts and osteoclasts. Cigarette smoking (CS) has been proven to increase the risk of osteoporosis; however, there is currently no proven treatment for osteoporosis in smokers excluding cessation. Bisphosphonates (BPs) are classical anti-osteoclastic drugs that are commonly used in examining the suitability of bone co-culture systems in vitro as well as to verify the response to osteoporotic stimuli. In the present study, we tested the effects of BPs on cigarette smoke extract (CSE)-affected cells in the co-culture of osteoblasts and osteoclasts. Our results showed that BPs were able to reduce CSE-induced osteoporotic alterations in the co-culture of osteoblasts and osteoclasts such as decreased matrix remodeling, enhanced osteoclast activation, and an up-regulated receptor activator of nuclear factor (NF)-kB-ligand (RANKL)/osteoprotegerin (OPG) ratio. In summary, BPs may be an effective alternative therapy for reversing osteoporotic alterations in smokers, and the potential mechanism is through modulation of the RANKL/OPG ratio.
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Yu J, Canalis E. Notch and the regulation of osteoclast differentiation and function. Bone 2020; 138:115474. [PMID: 32526405 PMCID: PMC7423683 DOI: 10.1016/j.bone.2020.115474] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/05/2020] [Accepted: 06/05/2020] [Indexed: 12/30/2022]
Abstract
Notch 1 through 4 are transmembrane receptors that play a pivotal role in cell differentiation and function; this review addresses the role of Notch signaling in osteoclastogenesis and bone resorption. Notch receptors are activated following interactions with their ligands of the Jagged and Delta-like families. In the skeleton, Notch signaling controls osteoclast differentiation and bone-resorbing activity either directly acting on osteoclast precursors, or indirectly acting on cells of the osteoblast lineage and cells of the immune system. NOTCH1 inhibits osteoclastogenesis, whereas NOTCH2 enhances osteoclast differentiation and function by direct and indirect mechanisms. NOTCH3 induces the expression of RANKL in osteoblasts and osteocytes and as a result induces osteoclast differentiation. There is limited expression of NOTCH4 in skeletal cells. Selected congenital disorders and skeletal malignancies are associated with dysregulated Notch signaling and enhanced bone resorption. In conclusion, Notch signaling is a critical pathway that controls osteoblast and osteoclast differentiation and function and regulates skeletal homeostasis in health and disease.
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Affiliation(s)
- Jungeun Yu
- Departments of Orthopaedic Surgery, UConn Musculoskeletal Institute, Farmington, CT 06030, USA; UConn Musculoskeletal Institute, UConn Health, Farmington, CT 06030, USA
| | - Ernesto Canalis
- Departments of Orthopaedic Surgery, UConn Musculoskeletal Institute, Farmington, CT 06030, USA; Medicine, UConn Musculoskeletal Institute, Farmington, CT 06030, USA; UConn Musculoskeletal Institute, UConn Health, Farmington, CT 06030, USA.
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Lee SY, Fam KD, Chia KL, Yap MMC, Goh J, Yeo KP, Yap EPH, Chotirmall SH, Lim CL. Age-related bone loss is associated with FGF21 but not IGFBP1 in healthy adults. Exp Physiol 2020; 105:622-631. [PMID: 31977105 DOI: 10.1113/ep088351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 01/20/2020] [Indexed: 12/23/2022]
Abstract
What is the central question of this study? Fibroblast growth factor 21 (FGF21) plays important therapeutic roles in metabolic diseases but is associated with bone loss, through insulin-like growth factor binding protein 1 (IGFBP1), in animals. However, the effect of the FGF21-IGFBP1 axis on age-related bone loss has not been explored in humans. What is the main finding and its importance? Using 'genetically linked' parent and child family pairs, we show that the FGF21 concentration, but not the IGFBP1 concentration, is higher in older than in younger adults. Our results suggest that age-associated decline in bone mineral density is associated with FGF21 and increased bone turnover but not likely to involve IGFBP1 in healthy humans. ABSTRACT: Bone fragility increases with age. The fibroblast growth factor 21 (FGF21)-insulin-like growth factor binding protein 1 (IGFBP1) axis regulates bone loss in animals. However, the role of FGF21 in mediating age-associated bone fragility in humans remains unknown. The purpose of this study was to explore the FGF21-regulatory axis in bone turnover and the age-related decline in bone mineral density (BMD). Twenty 'genetically linked' family (parent and child) pairs were recruited. Younger adults were 22-39 years old and older adults 60-71 years old. The BMD and serum concentrations of FGF21, IGFBP1, receptor activator of nuclear factor-κB ligand (RANKL), tartrate-resistant acid phosphatase 5b (TRAP5b) and bone-specific alkaline phosphatase (BAP) were measured. Older adults had 10-18% lower BMD at the hip and spine (P < 0.008) and a twofold higher FGF21 concentration (P < 0.001). The IGFBP1 concentration was similar in younger and older adults (P = 0.961). The RANKL concentration was 44% lower (P = 0.006), whereas TRAP5b and BAP concentrations were 36 and 31% higher (P = 0.01 and P = 0.004), respectively, in older adults than in younger adults. Adjusting for sex did not affect these results. The FGF21 concentration was negatively correlated with BMD at the spine (r = -0.460, P = 0.003), but not with the IGFBP1 concentration (r = -0.144, P = 0.374). The IGFBP1 concentration was not correlated with BMD at the hip or spine (all P > 0.05). In humans, FGF21 might be involved in the age-associated decline in BMD, especially at the spine, through increased bone turnover. IGFBP1 is unlikely to be the downstream effector of FGF21 in driving the age-associated decline in BMD and in RANKL-associated osteoclast differentiation.
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Affiliation(s)
- Shuen Yee Lee
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Kai Deng Fam
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Kar Ling Chia
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Margaret M C Yap
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Jorming Goh
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Centre for Healthy Ageing, National University Health System (NUHS), Singapore
| | - Kwee Poo Yeo
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore
| | - Eric P H Yap
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Sanjay H Chotirmall
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Chin Leong Lim
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
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Kim HN, Baek JK, Park SB, Kim JD, Son HJ, Park GH, Eo HJ, Park JH, Jung HS, Jeong JB. Anti-inflammatory effect of Vaccinium oldhamii stems through inhibition of NF-κB and MAPK/ATF2 signaling activation in LPS-stimulated RAW264.7 cells. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:291. [PMID: 31684931 PMCID: PMC6827179 DOI: 10.1186/s12906-019-2720-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 10/21/2019] [Indexed: 02/06/2023]
Abstract
Background Vaccinium oldhamii (V. oldhamii) has been reported to exert a variety of the pharmacological properties such as anti-oxidant activity, anti-cancer activity, and inhibitory activity of α-amylase and acetylcholinesterase. However, the anti-inflammatory activity of V. oldhamii has not been studied. In this study, we aimed to investigate anti-inflammatory activity of the stem extracts from V. oldhamii, and to elucidate the potential mechanisms in LPS-stimulated RAW264.7 cells. Methods Cell viability was evaluated by MTT assay. The determination of NO and PGE2 production was performed using Griess reagent and Prostaglandin E2 ELISA Kit, respectively. The change of mRNA or protein level was evaluated by RT-PCR and Western blot. Results Among VOS, VOL and VOF, the inhibitory effect of NO and PGE2 production induced by LPS was highest in VOS treatment. Thus, VOS was selected for the further study. VOS dose-dependently blocked LPS-induced NO and PGE2 production by inhibiting iNOS and COX-2 expression, respectively. VOS inhibited the expression of pro-inflammatory cytokines such as IL-1β, IL-6 and TNF-α. In addition, VOS suppressed TRAP activity and attenuated the expression of the osteoclast-specific genes such as NFATc1, c-FOS, TRAP, MMP-9, cathepsin K, CA2, OSCAR and ATPv06d2. VOS inhibited LPS-induced NF-κB signaling activation through blocking IκB-α degradation and p65 nuclear accumulation. VOS inhibited MAPK signaling activation by attenuating the phosphorylation of ERK1/2, p38 and JNK. Furthermore, VOS inhibited ATF2 phosphorylation and blocked ATF2 nuclear accumulation. Conclusions These results indicate that VOS may exert anti-inflammatory activity by inhibiting NF-κB and MAPK/ATF2 signaling. From these findings, VOS has potential to be a candidate for the development of chemopreventive or therapeutic agents for the inflammatory diseases.
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Abstract
Doxycycline, a member of the tetracycline family, is a drug used as an antibiotic (dosage of 100 mg/day) and as an anti-inflammatory drug on the dosage of 20 mg twice a day, this use has Matrix Metalloproteinases (MMP) inhibitor action. Doxycycline is a calcium chelator and therefore interferes in bone remodeling. The main objective of this study was to evaluate the action of the drug doxycycline in the control of osteopenia. Sixty three Wistars rats were divided into 9 groups with n = 7 each, as follow: the control group with doxycycline 10 mg/kg/day (C10), control with doxycycline 30 mg/kg/day (C30) and control (C), ovariectomized group with doxycycline 10 mg/kg/day (OVX10), ovariectomized with doxycycline 30 mg/kg/day (OVX30), and ovariectomized with water (OVX), sedentary group with 10 mg/kg/day (Se10), sedentary with doxycycline 30 mg/kg/day (Se30), and sedentary group with water (Se). Left femoral bone was used for bone densitometry, right femoral bone for histological analysis. The right tibia was intended for chemical quantifications, the total serum was used for cholesterol and calcium quantification. The length of the left femoral bone was measured after the densitometry analysis. Statistical analysis was performed using multivariate general linear model (ANOVA two factors with Bonferroni adjustment) and the TRAP analysis was subjected to normality test and then were subjected to nonparametric test, both with p < 0.05 significance. Statistically significant differences were found, with better results for the groups exposed to the medication (10 and 30 mg/kg/day): Se vs. Se10 and Se vs. Se30 for BMC, quantification of magnesium, amount of cancellous bone in the distal portion; OVX vs. OVX10 for BMC, BMD and calcium in serum; OVX vs. OVX10 and OVX30 for quantification in proximal and distal portion of cancellous bone; Se vs. Se30 and OVX vs. OVX30 for immunostaining for TRAP, all results with minimum of p ≤ 0.05. Doxycycline had a deleterious effect on control groups and positive action for bone organization on female rats affected by bilateral ovariectomy-induced osteopenia and sedentary lifestyle.
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Lee KY, Kim JH, Kim EY, Yeom M, Jung HS, Sohn Y. Water extract of Cnidii Rhizoma suppresses RANKL-induced osteoclastogenesis in RAW 264.7 cell by inhibiting NFATc1/c-Fos signaling and prevents ovariectomized bone loss in SD-rat. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:207. [PMID: 31399090 PMCID: PMC6688344 DOI: 10.1186/s12906-019-2611-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 07/23/2019] [Indexed: 02/07/2023]
Abstract
Background Cnidii Rhizoma is the dried root stem of Cnidium officinale Makino. Cnidii Rhizoma (CR) has been used to treat menstrual irregularity, menstrual pain, and menopause in Korea. However, the effects and mechanisms of CR on RANKL-induced osteoclastogenesis pathway remain to be elucidated. In this study, we investigated the effects of CR on the inhibition of bone resorption of osteoclast and its mechanism RANK signaling pathway. Methods The anti-osteoclastogenesis of water extract of CR was measured using RAW 264.7 cell. Tartrate-resistant acid phosphatase (TRAP) assay, pit assay, reverse transcription polymerase chain reaction (RT-PCR) and western blot were performed. Moreover, the effects of CR were determined with an in vivo model using ovariectomized (OVX) rats. Results CR extract suppressed osteoclastogenesis, its activity and bone resorption activity through decreasing gene of osteoclast-related such as nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), c-Fos, etc. Moreover, CR extract prevented the bone loss in OVX rats. Conclusion These results show that CR has a positive effect on menopausal osteoporosis by suppressing osteoclastogenesis. Electronic supplementary material The online version of this article (10.1186/s12906-019-2611-8) contains supplementary material, which is available to authorized users.
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Rapidly Progressive Osteolysis and a Large Cystic Lesion that Destroyed the Inner Table of the Iliac Bone Following Cementless Total Hip Arthroplasty: A Case Report. J UOEH 2018; 40:307-312. [PMID: 30568082 DOI: 10.7888/juoeh.40.307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a case of rapidly progressive osteolysis and a very large cystic lesion that destroyed the inner table of the iliac bone following cementless total hip arthroplasty (THA). A 59-year-old female patient developed left hip pain at 11 years after THA. Osteolysis surrounding the acetabular cup was pointed out. She was brought to our hospital by ambulance due to severe left hip pain at 12 years after THA. Computed tomography (CT) showed that a cystic lesion in the pelvic cavity had destroyed the inner table of the iliac bone. Magnetic resonance imaging (MRI) showed a high signal intensity area of the hemorrhagic cystic lesion in the iliac bone in both T1-weighted and T2-weighted images. She underwent a liner and femoral head exchange, and required bone grafting and revision of the cup. The cystic lesion was removed and block-like allograft bone grafts were stuffed into the bone defects. If osteolysis and cystic lesions occur at the same time, not only the bone area around the implant but also a distant area like the inner table of the iliac bone may be destroyed. Additional tests such as CT or MRI may be useful to detect the presence of distant or cystic lesions. Early diagnosis and treatment are important because severe complications may occur in cases where osteolysis and cystic lesions coexist after THA.
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Zhang L, Zhang S, Song H, Li B. Effect of Collagen Hydrolysates from Silver Carp Skin ( Hypophthalmichthys molitrix) on Osteoporosis in Chronologically Aged Mice: Increasing Bone Remodeling. Nutrients 2018; 10:nu10101434. [PMID: 30287779 PMCID: PMC6212965 DOI: 10.3390/nu10101434] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/27/2018] [Accepted: 09/30/2018] [Indexed: 12/20/2022] Open
Abstract
Osteoporosis is a common skeletal disorder in humans and gelatin hydrolysates from mammals have been reported to improve osteoporosis. In this study, 13-month-old mice were used to evaluate the effects of collagen hydrolysates (CHs) from silver carp skin on osteoporosis. No significant differences were observed in mice body weight, spleen or thymus indices after daily intake of antioxidant collagen hydrolysates (ACH; 200 mg/kg body weight (bw) (LACH), 400 mg/kg bw (MACH), 800 mg/kg bw (HACH)), collagenase hydrolyzed collagen hydrolysates (CCH) or proline (400 mg/kg body weight) for eight weeks, respectively. ACH tended to improve bone mineral density, increase bone hydroxyproline content, enhance alkaline phosphatase (ALP) level and reduce tartrate-resistant acid phosphatase 5b (TRAP-5b) activity in serum, with significant differences observed between the MACH and model groups (p < 0.05). ACH exerted a better effect on osteoporosis than CCH at the identical dose, whereas proline had no significant effect on repairing osteoporosis compared to the model group. Western blotting results demonstrated that CHs mainly increased bone remodeling by stimulating the transforming growth factor β1 (TGF-β1)/Smad signaling pathway and improving the interaction between collagen and α2β1 integrin. The results indicated that CHs from fish could be applied to alleviate osteoporosis or treat bone loss.
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Affiliation(s)
- Ling Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Siqi Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Hongdong Song
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Bo Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
- Beijing Higher Institution Engineering Research Center of Animal Product, Beijing 100083, China.
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Kalam A, Talegaonkar S, Vohora D. Effects of raloxifene against letrozole-induced bone loss in chemically-induced model of menopause in mice. Mol Cell Endocrinol 2017; 440:34-43. [PMID: 27832985 DOI: 10.1016/j.mce.2016.11.005] [Citation(s) in RCA: 9] [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: 08/01/2016] [Revised: 10/10/2016] [Accepted: 11/05/2016] [Indexed: 01/11/2023]
Abstract
INTRODUCTION The deleterious effects of letrozole, an aromatase inhibitor, used in the adjuvant treatment of breast cancer in postmenopausal women, on bone are well-documented and represent a major drawback to its clinical use. Raloxifene, a selective estrogen receptor modulator and a clinically approved anti-osteoporotic drug, has been recently demonstrated to be efficacious in women with breast cancer. The present study evaluated the effects of preventive and curative treatment with raloxifene on letrozole-induced alterations of bone microarchitecture and turnover markers in a chemically-induced menopause model in mice. METHOD Swiss strain albino female mice were made menopausal by inducing ovotoxicity using vinyl cyclohexene di epoxide (VCD, 160 mg/kg for 15 days followed by 30 days drug-free period) confirmed by ovarian histology and serum estradiol levels. Effects on femoral and lumbar bones were evaluated by micro CT determination of bone volume, trabecular number, separation, thickness, connective density and trabecular pattern factor and bone turnover markers including ALP, TRAP5b, hydroxyproline and RANKL. In addition to these, markers of Wnt signaling (sclerostin and dickkopf-1) were also evaluated. To rule out the involvement of pharmacokinetic interaction, plasma levels of letrozole and raloxifene were measured following drugs alone and in combination. RESULTS Though bone loss was observed in VCD treated mice (as indicated by micro CT measurements), it was further enhanced with letrozole administration (1 mg/kg) for one month particularly in epiphysis of femoral bones. Raloxifene (15 mg/kg), whether administered concurrently or post-letrozole was able to revert the structural alterations and changes in turnover markers caused by letrozole to varying degrees (p < 0.01 or p < 0.001). Further, estrogen deficiency following letrozole treatment in ovotoxic mice was associated with significant increase in sclerostin and dickkopf-1 in both lumbar and femur bones (p < 0.001) which was attenuated with preventive and curative treatment with raloxifene (p < 0.05). The plasma levels of letrozole remained unaffected by raloxifene administration and vice versa. CONCLUSIONS Our study indicates the potential of raloxifene in preventing and attenuating letrozole-induced bone loss. Further, these effects were found to be independent of a pharmacokinetic interaction between the two drugs.
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Affiliation(s)
- Abul Kalam
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi 110062, India
| | - Sushama Talegaonkar
- Department of Pharmaceutics, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi 110062, India
| | - Divya Vohora
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi 110062, India.
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Wang Y, Wang S, Li Y, Jiang J, Zhou C, Li C, Li D, Lu L, Liu P, Huang M, Shen X. Therapeutic effect of Cryptotanshinone on collagen-induced arthritis in rats via inhibiting nuclear factor kappa B signaling pathway. Transl Res 2015; 165:704-16. [PMID: 25605261 DOI: 10.1016/j.trsl.2014.12.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 11/17/2014] [Accepted: 12/20/2014] [Indexed: 10/24/2022]
Abstract
The discovery of new therapeutic drugs with the ability of preventing inflammation and joint destruction with less adverse effects is extremely urgent for rheumatoid arthritis (RA). Cryptotanshinone (CTS), an active component isolated from the root of Salvia miltiorrhiza Bunge, has been reported to have antibacterial and antitumor effects. However, its effects on RA have not been clearly elucidated. Here, we investigated the therapeutic effect of CTS on type II collagen-induced arthritis (CIA) in rats and explored the underlying mechanisms. Our results revealed that CTS treatment efficaciously ameliorated inflammation and joint destruction of rats with CIA. Both in vivo and in vitro studies showed that CTS suppressed the production of proinflammatory cytokines including interleukin 1β, tumor necrosis factor alpha, and interleukin 17α production and downregulated the production and activity of matrix metalloproteinase 9. By receptor activator of nuclear factor kappa B (NF-κB) ligand-induced bone marrow macrophages, we observed that CTS could inhibit osteoclast differentiation, which is critic for joint destruction. Further studies on inflammatory signaling revealed that CTS could inhibit the degradation of inhibitor of NF-κB (IκB) α in vivo and in vitro, prevent the nuclear translocation of NF-κB p65 induced by lipopolysaccharide in a time- and dose-dependent manner. By electrophoretic mobility shift assay and luciferase reporter assay, we found that CTS distinctively inhibited the NF-κB DNA binding activity and NF-κB-dependent luciferase activity. These results indicate that the therapeutic effect of CTS on CIA is accomplished mainly through the inhibition of NF-κB signaling. Our findings provide the evidence to develop CTS as a potential therapeutic agent for patients with RA.
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Affiliation(s)
- Ying Wang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Shaogui Wang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Yanmei Li
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - JianMin Jiang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Chun Zhou
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Cuixian Li
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Dong Li
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Liang Lu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Peiqing Liu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Min Huang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Xiaoyan Shen
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China; Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China.
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Maier GS, Eberhardt C, Strauch M, Kafchitsas K, Kurth AA. Is tartrate-resistant acid phosphatase 5b a potent bio-marker for late stage aseptic implant loosening? INTERNATIONAL ORTHOPAEDICS 2014; 38:2597-600. [DOI: 10.1007/s00264-014-2471-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Accepted: 07/14/2014] [Indexed: 10/25/2022]
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Zhang XW, Zhou C, Zhu HD, Shao W, You Y, Peng J, Yin S, Shen X. Inhibition of osteoclastogenesis by 6-[10'(Z)-heptadecenyl] salicylic acid from Syzygium tetragonum Wall via preventing nuclear translocation of NFATc1. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2014; 21:960-965. [PMID: 24703325 DOI: 10.1016/j.phymed.2014.03.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 02/02/2014] [Accepted: 03/02/2014] [Indexed: 06/03/2023]
Abstract
Syzygium tetragonum Wall is a Chinese folk medicine for the treatment of rheumatism, joint swelling and pain. By High Content Screening (HCS), 8 compounds (1-8) from Syzygium tetragonum Wall were evaluated for their inhibitory activity on the nuclear translocation of NFATc1 in EGFP-NFATc1 U2OS cells. Among them, 6-[10'(Z)-heptadecenyl] salicylic acid (8) exhibited a significant inhibitory activity. In RAW 264.7 cells, it could dose-dependently prevent nuclear NFATc1 translocation induced by receptor activator of nuclear factor κB ligand (RANKL). The differentiation of osteoclasts from bone marrow derived macrophages (BMMs) was significantly inhibited by 8 in a dose-dependent manner. The mRNA expression of TRAP, CtsK, and MMP9, key enzymes for the bone resorption secreted by osteoclasts, were also significantly down-regulated; and MMP9 activity was also obviously decreased. More importantly, the bone resorption activity of osteoclasts was dose-dependently suppressed by compound 8. Our results suggest that compound 8 can effectively inhibit osteoclastogenesis and bone erosion via preventing NFATc1 nuclear translocation and might be a promising drug candidate for relevant diseases.
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Affiliation(s)
- Xin-Wen Zhang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Chun Zhou
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Han-Dong Zhu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Weiwei Shao
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Yan You
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Jin Peng
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China
| | - Sheng Yin
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China.
| | - Xiaoyan Shen
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, China; Department of Pharmacology, School of Pharmacy, Fudan University, China.
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Shen Y, Li X, Ding Y, Ren W, Wang W. Stro-1-positive BMSCs predict postoperative periprosthetic bone mineral density outcomes in uncemented total hip arthroplasty patients. Med Sci Monit 2014; 20:361-7. [PMID: 24589638 PMCID: PMC3948892 DOI: 10.12659/msm.889825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Background Bone marrow cell profiles are variable after total hip arthroplasty (THA), including variable levels of Stro-1+ and bone morphogenetic protein receptor (BMPRs)+ cells. We investigated the impact of bone marrow cell profiles on changes in periprosthetic bone mineral density (BMD) in uncemented THA patients. Material/Methods Bone marrow aspirates were collected from the metaphyseal region of discarded femoral heads from 24 consecutive THA patients (12 men and 12 women; mean age 66.7±11.0 years; range 52–87 years) treated from March 2009 to March 2011 at a single facility. Perioperative proportions of Stro-1+ and BMPR+ cells in femoral heads were assessed by flow cytometry. Follow-up examined the proximal femur Gruen zones R1 and R7 at 1 week and at 3, 6, and 12 months after THA, using dual-energy X-ray absorptiometry. Associations between BMD loss and age, gender, BMPRs+, and Stro-1+ were analyzed. Results At 3 months, R1 and R7 BMD decreased by 4.4% and 6.4%, respectively (P<0.05). At 12 months, the overall BMD decreases in R1 and R7 were 10.2% and 1%, respectively (P<0.05). Higher Stro-1+ cells proportion predicted R7 BMD increases at all time points (P<0.05) and R1 BMD increases at 6 and 12 months (P<0.05). BMPR1a+ proportion was associated with BMD increases at 6 months in the R1 region. BMPR2+ was not significantly associated with BMD (P>0.05). Conclusions Elevated Stro-1+ bone marrow cell profile may be a useful prognostic indicator for uncemented THA patients.
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Affiliation(s)
- Yi Shen
- Department of Orthopaedic, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China (mainland)
| | - Xiaomiao Li
- Department of Orthopaedic, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China (mainland)
| | - Yurun Ding
- Department of Orthopaedic, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China (mainland)
| | - Weiping Ren
- Biomedical Engineering and Orthopedic Surgery, Wayne State University, Detroit, USA
| | - Weili Wang
- Department of Orthopaedic, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China (mainland)
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Detsch R, Boccaccini AR. The role of osteoclasts in bone tissue engineering. J Tissue Eng Regen Med 2014; 9:1133-49. [PMID: 24478169 DOI: 10.1002/term.1851] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 09/18/2013] [Accepted: 10/20/2013] [Indexed: 12/13/2022]
Abstract
The success of scaffold-based bone regeneration approaches strongly depends on the performance of the biomaterial utilized. Within the efforts of regenerative medicine towards a restitutio ad integrum (i.e. complete reconstruction of a diseased tissue), scaffolds should be completely degraded within an adequate period of time. The degradation of synthetic bone substitute materials involves both chemical dissolution (physicochemical degradation) and resorption (cellular degradation by osteoclasts). Responsible for bone resorption are osteoclasts, cells of haematopoietic origin. Osteoclasts play also a crucial role in bone remodelling, which is essential for the regeneration of bone defects. There is, however, surprisingly limited knowledge about the detailed effects of osteoclasts on biomaterials degradation behaviour. This review covers the relevant fundamental knowledge and progress made in the field of osteoclast activity related to biomaterials used for bone regeneration. In vitro studies with osteoclastic precursor cells on synthetic bone substitute materials show that there are specific parameters that inhibit or enhance resorption. Moreover, analyses of the bone-material interface reveal that biomaterials composition has a significant influence on their degradation in contact with osteoclasts. Crystallinity, grain size, surface bioactivity and density of the surface seem to have a less significant effect on osteoclastic activity. In addition, the topography of the scaffold surface can be tailored to affect the development and spreading of osteoclast cells. The present review also highlights possible areas on which future research is needed and which are relevant to enhance our understanding of the complex role of osteoclasts in bone tissue engineering.
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Affiliation(s)
- Rainer Detsch
- Institute of Biomaterials, University of Erlangen-Nuremberg, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Germany
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Tantikanlayaporn D, Wichit P, Weerachayaphorn J, Chairoungdua A, Chuncharunee A, Suksamrarn A, Piyachaturawat P. Bone sparing effect of a novel phytoestrogen diarylheptanoid from Curcuma comosa Roxb. in ovariectomized rats. PLoS One 2013; 8:e78739. [PMID: 24244350 PMCID: PMC3823985 DOI: 10.1371/journal.pone.0078739] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 09/16/2013] [Indexed: 01/06/2023] Open
Abstract
Phytoestrogens have been implicated in the prevention of bone loss in postmenopausal osteoporosis. Recently, an active phytoestrogen from Curcuma comosa Roxb, diarylheptanoid (DPHD), (3R)-1,7-diphenyl-(4E,6E)-4,6-heptadien-3-ol, was found to strongly promote human osteoblast function in vitro. In the present study, we demonstrated the protective effect of DPHD on ovariectomy-induced bone loss (OVX) in adult female Sprague-Dawley rats with 17β-estradiol (E2, 10 µg/kg Bw) as a positive control. Treatment of OVX animals with DPHD at 25, 50, and 100 mg/kg Bw for 12 weeks markedly increased bone mineral density (BMD) of tibial metaphysis as measured by peripheral Quantitative Computed Tomography (pQCT). Histomorphometric analysis of bone structure indicated that DPHD treatment retarded the ovariectomy-induced deterioration of bone microstructure. Ovariectomy resulted in a marked decrease in trabecular bone volume, number and thickness and these changes were inhibited by DPHD treatment, similar to that seen with E2. Moreover, DPHD decreased markers of bone turnover, including osteocalcin and tartrate resistant acid phosphatase (TRAP) activity. These results suggest that DPHD has a bone sparing effect in ovariectomy-induced trabecular bone loss and prevents deterioration of bone microarchitecture by suppressing the rate of bone turnover. Therefore, DPHD appears to be a promising candidate for preserving bone mass and structure in the estrogen deficient women with a potential role in reducing postmenopausal osteoporosis.
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Affiliation(s)
| | - Patsorn Wichit
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Arthit Chairoungdua
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Aporn Chuncharunee
- Department of Anatomy, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Apichart Suksamrarn
- Department of Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok, Thailand
| | - Pawinee Piyachaturawat
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- * E-mail:
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Effects of lercanidipine on bone density and bone repair in spontaneously hypertensive rats. IMPLANT DENT 2013; 22:49-54. [PMID: 23287976 DOI: 10.1097/id.0b013e3182777650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To evaluate the effects of the lercanidipine on bone healing (BH) and bone density (BD) in the tibiae of spontaneously hypertensive rats (SHR), using histometric and tartrate-resistant acid phosphatase (TRAP) expression analyses. MATERIALS AND METHODS Wistar and SHR were assigned to one of the following groups: normotensive rats (NTR) (n = 15), untreated SHR (n = 15), and lercanidipine-treated SHR (n = 15). The latter group was treated daily with lercanidipine for 6 weeks. Two weeks after the beginning of drug administration, a critical-sized surgical defect was created in the right tibia of all groups, whereas the contralateral tibia remained without defect. The animals were killed 30 days after the creation of the bone defect. RESULTS There were no significant differences among the groups for BH, trabecular BD, and the number of TRAP+ cells in the newly formed cortical bone (P > 0.05). SHR presented significantly lower cortical BD and increased cortical levels of TRAP+ cells, when compared with NTR and lercanidipine-treated SHR (P < 0.05). CONCLUSION SHR presented a lower cortical BD and increased levels of TRAP+ cells. In addition, the treatment of SHR with lercanidipine during 6 weeks was able to revert the deleterious effects of hypertension on cortical BD and on the number of TRAP+ cells in the tibia of SHR.
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Koskela A, Viluksela M, Keinänen M, Tuukkanen J, Korkalainen M. Synergistic effects of tributyltin and 2,3,7,8-tetrachlorodibenzo-p-dioxin on differentiating osteoblasts and osteoclasts. Toxicol Appl Pharmacol 2012; 263:210-7. [PMID: 22749964 DOI: 10.1016/j.taap.2012.06.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 06/14/2012] [Accepted: 06/19/2012] [Indexed: 10/28/2022]
Abstract
The purpose of this study was to examine the effects of the persistent and accumulative environmental pollutants tributyltin (TBT) and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) individually and in combination on differentiating bone cells. TBT and TCDD are chemically distinct compounds with different mechanisms of toxicity, but they typically have the same sources of exposure and both have been shown to affect bone development at low exposure levels. Bone marrow stem cells were isolated from femurs and tibias of C57BL/6J mice, differentiated in culture into osteoblasts or osteoclasts and exposed to 0.1-10nM TBT, 0.01-1nM TCDD or 10nM TBT+ 1nM TCDD. In osteoblasts, the combined exposure to TBT and TCDD significantly decreased the mRNA expression of alkaline phosphatase and osteocalcin more than TBT or TCDD alone. PCR array showed different gene expression profiles for TBT and TCDD individually, and the combination evoked several additional alterations in gene expression. Expression of aryl hydrocarbon receptor repressor (AHRR) was increased by TCDD as expected, but simultaneous exposure to TBT prevented the increase thus potentially strengthening AHR-mediated effects of TCDD. The number of osteoclasts was reduced by TCDD alone and in combination with TBT, but TBT alone had no effect. However, the total area of resorbed bone was remarkably lower after combined exposure than after TBT or TCDD alone. In conclusion, very low concentrations of TBT and TCDD have synergistic deleterious effects on bone formation and additive effects on bone resorption.
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Affiliation(s)
- Antti Koskela
- University of Oulu, Department of Anatomy and Cell Biology, Oulu, Finland.
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Moghaddam A, Müller U, Roth HJ, Wentzensen A, Grützner PA, Zimmermann G. TRACP 5b and CTX as osteological markers of delayed fracture healing. Injury 2011; 42:758-64. [PMID: 21168135 DOI: 10.1016/j.injury.2010.11.017] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2010] [Revised: 09/17/2010] [Accepted: 11/10/2010] [Indexed: 02/02/2023]
Abstract
Radiological studies are the standard method to monitor fracture healing but they do not allow a timely assessment of bone healing. Biochemical markers react rapidly to changes in bone metabolism during fracture healing and could be an additional tool to monitor this process. The goal of this study was to observe changes in serum biomarkers and evaluate the possible differences in the serum levels of tartrate-resistant acid phosphatase 5b (TRACP 5b), total N-terminal propeptide of type I collagen (PINP), bone-specific alkaline phosphatase (BAP), and C-terminal cross-linking telopeptide of type I collagen (CTX) in patients with normal and delayed fracture healing. Several serum samples were collected for one year after the surgical treatment of long bone fractures in 248 patients. From this large pool, 15 patients with atrophic nonunion were matched to 15 patients with normal bone healing. Post-operative changes in osteological markers were monitored during the 1st, 2nd, 4th, 8th, 12th and 52nd weeks. The patients were followed both clinically and radiologically for the entire one-year duration of the study. In the first week, the absolute values of CTX decreased significantly (p=0.0164) in cases of delayed fracture healing. The relative values of TRACP 5b were significantly decreased at weeks 4 (p=0.0066) and 8 (p=0.0043). BAP and PINP levels decreased in the first week followed by an increase, but there were no significant differences in the absolute or relative values during the healing process in both patient groups. For the first time, we have demonstrated changes in serum concentrations of TRACP 5b, PINP, BAP, and CTX during normal and delayed fracture healing. Characteristic changes in systemic TRACP 5b and CTX levels could reflect the initial process of successful fracture healing and may be used in clinical practice to monitor the healing process. Furthermore, it could be very important for determining the beneficial effects of additional treatments such as ultrasound or BMPs in clinical trials.
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Affiliation(s)
- A Moghaddam
- Berufsgenossenschaftliche Unfallklinik Ludwigshafen, Klinik für Unfallchirurgie und Orthopädie, Unfallchirurgische Klinik an der Universität Heidelberg, Ludwig-Guttmann-Strasse 13, Ludwigshafen, Germany.
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Savarino L, Avnet S, Greco M, Giunti A, Baldini N. Potential role of tartrate-resistant acid phosphatase 5b (TRACP 5b) as a surrogate marker of late loosening in patients with total hip arthroplasty: a cohort study. J Orthop Res 2010; 28:887-92. [PMID: 20063383 DOI: 10.1002/jor.21082] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In a cohort study, the role of the active tartrate-resistant acid phosphatase (TRACP 5b), a marker of bone-resorbing osteoclasts, for the assessment of loosening after total hip arthroplasty (THA), was analyzed, as well as its correlation with osteolysis and multinucleated cell appearance in the retrievals. Eighty THA patients, who went consecutively to the orthopedic department, were asked to participate, and 54 accepted and were enrolled in the study. Finally, 46 subjects were analyzed, clinical-radiographic evaluation was considered the gold standard, serum TRACP 5b was blindly measured, and a cut-off was obtained, by performing a ROC Curve. Based on the gold standard, patients were split by 19 stable and 27 loosened subjects, and results were matched. TRACP 5b was significantly higher in loosened patients than in stable ones (p < 0.001). A good specificity (89.5%), positive predictive value (90.0%), and likelihood ratio (6.33) were calculated, that provided strong evidence of loosening with TRACP 5b levels higher than the cut-off. Moreover, TRACP 5b and osteolysis (Fisher's exact test, p = 0.03) were found significantly correlated. TRACP 5b has been proven a reliable marker, specifically related to resorbing-multinucleated cells, to ascertain late loosening in THA, and could support standard procedures, if confirmed by performing prospective studies.
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Affiliation(s)
- Lucia Savarino
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine, Rizzoli Orthopaedic Institute, Via di Barbiano 1/10, 40136 Bologna, Italy.
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Tartrate-resistant acid phosphatase 5b and C-terminal telopeptides of type I collagen as markers for diagnosis of aseptic loosening after total hip replacement. Arch Orthop Trauma Surg 2010; 130:441-5. [PMID: 19513735 DOI: 10.1007/s00402-009-0905-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2009] [Indexed: 02/09/2023]
Abstract
INTRODUCTION Plain radiography, bone scintigraphy, digital subtraction arthrography and various other techniques can be used to evaluate loosening of hip replacements. These methods are associated with radiation exposure and some of them have an increased morbidity. Furthermore, in some cases the results are not conclusive. METHOD The osteoclast biomarkers tartrate-resistant acid phosphatase 5b (TRAP 5b) and C-terminal telopeptides of type I collagen (CTX) in serum taken from 12 patients with aseptic loosening were measured. Serum samples from 24 other patients, 12 with an intact arthroplasty and 12 without any kind of joint replacement, served as control groups. RESULTS The serum level of CTX was increased in comparison to the control groups, but the differences were not significant. In contrast, the increase in TRAP 5b in patients with aseptic loosening was highly significant (P < 0.001). A TRAP 5b value of 3.365 U/L was determined as a cut-off value, giving a sensitivity of 83.3% and specificity of 91.7% to differentiate the patients with aseptic loosening from those with an intact arthroplasty. Measurement of serum TRAP 5b may be a clinically relevant assay for monitoring patients after arthroplasty.
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Alm JJ, Mäkinen TJ, Lankinen P, Moritz N, Vahlberg T, Aro HT. Female patients with low systemic BMD are prone to bone loss in Gruen zone 7 after cementless total hip arthroplasty. Acta Orthop 2009; 80:531-7. [PMID: 19916684 PMCID: PMC2823339 DOI: 10.3109/17453670903316801] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Factors that lead to periprosthetic bone loss following total hip arthroplasty (THA) may not only depend on biomechanical implant-related factors, but also on various patient-related factors. We investigated the association between early changes in periprosthetic bone mineral density (BMD) and patient-related factors. PATIENTS AND METHODS 39 female patients underwent cementless THA (ABG II) with ceramic-ceramic bearing surfaces. Periprosthetic BMD in the proximal femur was determined with DXA after surgery and at 3, 6, 12, and 24 months. 27 patient-related factors were analyzed for their value in prediction of periprosthetic bone loss. RESULTS Total periprosthetic BMD was temporarily reduced by 3.7% at 3 months (p < 0.001), by 3.8% at 6 months (p < 0.01), and by 2.6% at 12 months (p < 0.01), but recovered thereafter up to 24 months. Preoperative systemic osteopenia and osteoporosis, but not the local BMD of the operated hip, was predictive of bone loss in Gruen zone 7 (p = 0.04), which was the only region with a statistically significant decrease in BMD (23%, p < 0.001) at 24 months. Preoperative serum markers of bone turnover predicted the early temporary changes of periprosthetic BMD. The other patient-related factors failed to show any association with the periprosthetic BMD changes. INTERPRETATION Female patients with low systemic BMD show greater bone loss in Gruen zone 7 after cementless THA than patients with normal BMD. Systemic DXA screening for osteoporosis in postmenopausal patients before THA could be used to identify patients in need of prophylactic anti-resorptive therapy.
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Affiliation(s)
- Jessica J Alm
- Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Turku University Central Hospital and University of TurkuFinland
| | - Tatu J Mäkinen
- Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Turku University Central Hospital and University of TurkuFinland
| | - Petteri Lankinen
- Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Turku University Central Hospital and University of TurkuFinland
| | - Niko Moritz
- Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Turku University Central Hospital and University of TurkuFinland
| | - Tero Vahlberg
- Department of Biostatistics, University of TurkuTurkuFinland
| | - Hannu T Aro
- Orthopaedic Research Unit, Department of Orthopaedic Surgery and Traumatology, Turku University Central Hospital and University of TurkuFinland
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Tartrate-resistant acid phosphatase activity and glutathione levels are modulated during hFOB 1.19 osteoblastic differentiation. J Mol Histol 2008; 39:627-34. [DOI: 10.1007/s10735-008-9203-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2008] [Accepted: 10/14/2008] [Indexed: 11/26/2022]
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Yamada S, Inaba M, Kurajoh M, Shidara K, Imanishi Y, Ishimura E, Nishizawa Y. Utility of serum tartrate-resistant acid phosphatase (TRACP5b) as a bone resorption marker in patients with chronic kidney disease: independence from renal dysfunction. Clin Endocrinol (Oxf) 2008; 69:189-96. [PMID: 18221403 DOI: 10.1111/j.1365-2265.2008.03187.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Serum tartrate-resistant acid phosphatase (TRACP) 5b levels were assessed in predialysis patients with chronic kidney disease (CKD). The aim of the study was to establish the usefulness of a new assay for TRACP5b in assessing bone turnover in these patients. METHODS Serum concentrations of two bone resorption markers, TRACP5b and N-terminal cross-linking telopeptide of type I collagen (NTX); two bone formation markers, bone specific alkaline phosphatase (bone ALP) and intact osteocalcin (OC[1-49]); and PTH were measured in 98 predialysis CKD patients. RESULTS Log serum TRACP5b and other bone markers were significantly negatively correlated with glomerular filtration rate (GFR) and positively correlated with log serum PTH, suggesting an increase in serum bone markers with development of secondary hyperparathyroidism. Multiple regression analysis including age, gender, BMI, the presence of diabetes, GFR and log serum PTH showed an association of log serum PTH with log serum TRACP5b and other bone markers. GFR was associated with log serum NTX and log OC[1-49], but not with log serum TRACP5b or log bone ALP. These data show that renal dysfunction does not influence serum TRACP5b and bone ALP, but has an influence on NTX and OC[1-49]. CONCLUSION Serum TRACP5b may be a good marker for serum bone resorption in predialysis CKD patients, as it is not affected by renal dysfunction.
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Affiliation(s)
- Shinsuke Yamada
- Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka 545-8585, Japan
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Zini N, Avnet S, Ghisu S, Maraldi NM, Squarzoni S, Baldini N, Lattanzi G. Effects of prelamin A processing inhibitors on the differentiation and activity of human osteoclasts. J Cell Biochem 2008; 105:34-40. [DOI: 10.1002/jcb.21796] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Meier-Ruge WA, Bruder E. Current Concepts of Enzyme Histochemistry in Modern Pathology. Pathobiology 2008; 75:233-43. [DOI: 10.1159/000132384] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2007] [Accepted: 02/05/2008] [Indexed: 12/17/2022] Open
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