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Wang CL, Li P, Liu B, Ma YQ, Feng JX, Xu YN, Liu L, Li ZH. Decrypting the skeletal toxicity of vertebrates caused by environmental pollutants from an evolutionary perspective: From fish to mammals. ENVIRONMENTAL RESEARCH 2024; 255:119173. [PMID: 38763280 DOI: 10.1016/j.envres.2024.119173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 05/09/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
The rapid development of modern society has led to an increasing severity in the generation of new pollutants and the significant emission of old pollutants, exerting considerable pressure on the ecological environment and posing a serious threat to both biological survival and human health. The skeletal system, as a vital supportive structure and functional unit in organisms, is pivotal in maintaining body shape, safeguarding internal organs, storing minerals, and facilitating blood cell production. Although previous studies have uncovered the toxic effects of pollutants on vertebrate skeletal systems, there is a lack of comprehensive literature reviews in this field. Hence, this paper systematically summarizes the toxic effects and mechanisms of environmental pollutants on the skeletons of vertebrates based on the evolutionary context from fish to mammals. Our findings reveal that current research mainly focuses on fish and mammals, and the identified impact mechanisms mainly involve the regulation of bone signaling pathways, oxidative stress response, endocrine system disorders, and immune system dysfunction. This study aims to provide a comprehensive and systematic understanding of research on skeletal toxicity, while also promoting further research and development in related fields.
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Affiliation(s)
- Cun-Long Wang
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
| | - Bin Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Yu-Qing Ma
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Jian-Xue Feng
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ya-Nan Xu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
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Tippen SP, Metzger CE, Sacks SA, Allen MR, Mitchell CF, McNulty MA. Clinically relevant doses of tiludronate do not affect bone remodelling in pasture-exercised horses. Equine Vet J 2024. [PMID: 38924597 DOI: 10.1111/evj.14119] [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] [Received: 12/05/2023] [Accepted: 05/16/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Bisphosphonates are widely used in equine athletes to reduce lameness associated with skeletal disorders. Widespread off-label use has led to concern regarding potential negative effects on bone healing, but little evidence exists to support or refute this. OBJECTIVES To investigate the influence of clinically relevant doses of tiludronate on bone remodelling and bone healing. STUDY DESIGN Randomised, controlled in vivo experiments. METHODS Each horse had a single tuber coxae biopsied (Day 0), then were divided into a treatment (IV tiludronate) or control (IV saline) group. Treatments were administered 30 and 90 days following initial biopsy. Biopsy of the tuber coxae was repeated on Day 60 to evaluate bone healing following a single treatment. Oxytetracycline was administered on Days 137 and 147 to label bone formation. The contralateral tuber coxae was biopsied on Day 150 to evaluate effects of repeated treatment. Bone biopsies were evaluated with micro-computed tomography and/or dynamic histomorphometry using standard techniques. RESULTS Nineteen horses completed the study, with no complications following the biopsies and treatments. No significant differences in the trabecular bone parameters or bone formation rate were observed between treatment groups. MAIN LIMITATIONS The use of a first-generation bisphosphonate may mean some effects of these drugs are underrepresented using this model. The results pertain to the tuber coxae and may not reflect injury or the healing response that occurs in long bones in training or racing. CONCLUSIONS In this model, tiludronate did not affect normal bone remodelling in the horse, despite repeat dosages.
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Affiliation(s)
- Samantha P Tippen
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Department of Education, Innovation, & Technology, Baylor College of Medicine, Houston, Texas, USA
| | - Corinne E Metzger
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Spencer A Sacks
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Matthew R Allen
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Colin F Mitchell
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Margaret A McNulty
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Department of Basic Medical Sciences, College of Veterinary Medicine, Purdue University, West Lafayette, Indiana, USA
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Martin V, Bettencourt AF, Santos C, Fernandes MH, Gomes PS. Unveiling the Osteogenic Potential of Tetracyclines: A Comparative Study in Human Mesenchymal Stem Cells. Cells 2023; 12:2244. [PMID: 37759467 PMCID: PMC10526833 DOI: 10.3390/cells12182244] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/02/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Tetracyclines (TCs) are a class of broad-spectrum antibiotics with diverse pharmacotherapeutic properties due to their various functional groups being attached to a common core structure. Beyond their antibacterial activity, TCs trigger pleiotropic effects on eukaryotic cells, including anti-inflammatory and potentially osteogenic capabilities. Consequently, TCs hold promise for repurposing in various clinical applications, including bone-related conditions. This study presents the first comprehensive comparison of the in vitro osteogenic potential of four TCs-tetracycline, doxycycline, minocycline, and sarecycline, within human mesenchymal stem cells. Cultures were characterized for metabolic activity, cell morphology and cytoskeleton organization, osteogenic gene expression, alkaline phosphatase (ALP) activity, and the activation of relevant signaling pathways. TCs stimulated actin remodeling processes, inducing morphological shifts consistent with osteogenic differentiation. Osteogenic gene expression and ALP activity supported the osteoinduction by TCs, demonstrating significant increases in ALP levels and the upregulation of RUNX2, SP7, and SPARC genes. Minocycline and sarecycline exhibited the most potent osteogenic induction, comparable to conventional osteogenic inducers. Signaling pathway analysis revealed that tetracycline and doxycycline activate the Wnt pathway, while minocycline and sarecycline upregulated Hedgehog signaling. Overall, the present findings suggest that TCs promote osteogenic differentiation through distinct pathways, making them promising candidates for targeted therapy in specific bone-related disorders.
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Affiliation(s)
- Victor Martin
- BoneLab—Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal; (V.M.); (M.H.F.)
- LAQV/REQUIMTE, University of Porto, 4050-453 Porto, Portugal
| | - Ana Francisca Bettencourt
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003 Lisboa, Portugal;
| | - Catarina Santos
- CQE Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
- EST Setúbal, CDP2T, Instituto Politécnico de Setúbal, 2910-761 Setúbal, Portugal
| | - Maria Helena Fernandes
- BoneLab—Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal; (V.M.); (M.H.F.)
- LAQV/REQUIMTE, University of Porto, 4050-453 Porto, Portugal
| | - Pedro Sousa Gomes
- BoneLab—Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal; (V.M.); (M.H.F.)
- LAQV/REQUIMTE, University of Porto, 4050-453 Porto, Portugal
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Biewer B, Rompen E, Mittelbronn M, Hammer GP, Quatresooz P, Borgmann FK. Effects of Minocycline Hydrochloride as an Adjuvant Therapy for a Guided Bone Augmentation Procedure in The Rat Calvarium. Dent J (Basel) 2023; 11:dj11040092. [PMID: 37185470 PMCID: PMC10136768 DOI: 10.3390/dj11040092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/08/2023] [Accepted: 03/20/2023] [Indexed: 04/03/2023] Open
Abstract
This in vivo study reports the influence of minocycline-HCl administration on extra-skeletal bone generation in a Guided Bone Augmentation model, utilizing titanium caps placed on the intact as well as perforated calvaria of rats. The test group was administered 0.5 mg/mL minocycline-HCl with the drinking water, and the amount of bone tissue in the caps was quantified at three time points (4, 8 and 16 weeks). A continuously increased tissue fill was observed in all groups over time. The administration of minocycline-HCl as well as perforation of the calvaria increased this effect, especially with regard to mineralization. The strongest tissue augmentation, with 1.8 times that of the untreated control group, and, at the same time, the most mineralized tissue (2.3× over untreated control), was produced in the combination of both treatments, indicating that systemic administration of minocycline-HCl has an accelerating and enhancing effect on vertical bone augmentation.
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Warner AJ, Hathaway-Schrader JD, Lubker R, Davies C, Novince CM. Tetracyclines and bone: Unclear actions with potentially lasting effects. Bone 2022; 159:116377. [PMID: 35248788 PMCID: PMC9035080 DOI: 10.1016/j.bone.2022.116377] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/11/2022] [Accepted: 02/28/2022] [Indexed: 01/11/2023]
Abstract
Tetracyclines are a broad-spectrum class of antibiotics that have unclear actions with potentially lasting effects on bone metabolism. Initially isolated from Streptomyces, tetracycline proved to be an effective treatment for Gram +/- infections. The emergence of resistant bacterial strains commanded the development of later generation agents, including minocycline, doxycycline, tigecycline, sarecycline, omadacycline, and eravacycline. In 1957, it was realized that tetracyclines act as bone fluorochrome labels due to their high affinity for the bone mineral matrix. Over the course of the next decade, researchers discerned that these compounds are retained in the bone matrix at high levels after the termination of antibiotic therapy. Studies during this period provided evidence that tetracyclines could disrupt prenatal and early postnatal skeletal development. Currently, tetracyclines are most commonly prescribed as a long-term systemic therapy for the treatment of acne in healthy adolescents and young adults. Surprisingly, the impact of tetracyclines on physiologic bone modeling/remodeling is largely unknown. This article provides an overview of the pharmacology of tetracycline drugs, summarizes current knowledge about the impact of these agents on skeletal development and homeostasis, and reviews prior work targeting tetracyclines' effects on bone cell physiology. The need for future research to elucidate unclear effects of tetracyclines on the skeleton is addressed, including drug retention/release mechanisms from the bone matrix, signaling mechanisms at bone cells, the impact of newer third generation tetracycline antibiotics, and the role of the gut-bone axis.
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Affiliation(s)
- Amy J Warner
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Jessica D Hathaway-Schrader
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Rena Lubker
- Medical University of South Carolina Libraries, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Stomatology-Division of Population Oral Health, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Christopher Davies
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Biochemistry & Molecular Biology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Chad M Novince
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
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Gomes PS, Resende M, Fernandes MH. Doxycycline restores the impaired osteogenic commitment of diabetic-derived bone marrow mesenchymal stromal cells by increasing the canonical WNT signaling. Mol Cell Endocrinol 2020; 518:110975. [PMID: 32758627 DOI: 10.1016/j.mce.2020.110975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/21/2020] [Accepted: 07/31/2020] [Indexed: 01/09/2023]
Abstract
Diabetes mellitus comprehends a group of chronic metabolic disorders, associated with damage and dysfunction of distinct tissues, including bone. At the cellular level, an impaired osteoblastogenesis has been reported, affecting the viability, proliferation and functionality of osteoblasts and precursor populations, hampering the bone metabolic activity, remodeling and healing. Tetracyclines embrace a group of broad-spectrum antibacterial compounds with potential anabolic effects on the bone tissue, through antibacterial-independent mechanisms. Accordingly, this study aims to address the modulatory capability and associated molecular signaling of a low dosage doxycycline - a semi-synthetic tetracycline, in the functional activity of osteoblastic progenitor cells (bone marrow-derived mesenchymal stromal cells), established from a translational diabetic experimental model. Bone marrow-derived mesenchymal stromal cells were isolated from streptozotocin-induced diabetic Wistar rat with proven osteopenia. Cultures were characterized, in the presence of doxycycline (1 μg ml-1) for proliferation, metabolic activity, apoptosis, collagen synthesis and relevant gene expression with the osteogenic and adipogenic program. The activation of the Wnt/β-catenin pathway was further detailed. Doxycycline normalized the viability, proliferation and metabolic activity of the established cultures, further decreasing cell apoptosis, to levels similar to control. The addition of this drug to the culture environment further increased the osteogenic activation, upregulating the expression of osteogenic markers and collagen synthesis, at the same time that a decreased adipogenic priming was attained. These processes were found to me mediated, at least in part, by the restoration of the signaling through the Wnt/β-catenin pathway.
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Affiliation(s)
- Pedro Sousa Gomes
- BoneLab - Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, U. Porto, R. Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal; LAQV/REQUIMTE, U. Porto, Porto, 4160-007, Portugal.
| | - Marta Resende
- Faculty of Dental Medicine, U. Porto, R. Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Maria Helena Fernandes
- BoneLab - Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, U. Porto, R. Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal; LAQV/REQUIMTE, U. Porto, Porto, 4160-007, Portugal
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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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A Novel Analysis via Micro-CT Imaging Indicates That Chemically Modified Tetracycline-3 (CMT-3) Inhibits Tooth Relapse after Orthodontic Movement: A Pilot Experimental Study. Int J Dent 2019; 2019:3524207. [PMID: 31065268 PMCID: PMC6466921 DOI: 10.1155/2019/3524207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 11/11/2018] [Accepted: 12/03/2018] [Indexed: 11/17/2022] Open
Abstract
Objective To evaluate the effect of chemically modified tetracycline-3 (CMT-3) and simvastatin on tooth relapse after orthodontic movement in rats using a novel analysis method employing high-resolution micro-CT (Micro-CT) images. In addition, the correlation between bone density and orthodontic relapse was also evaluated for each experimental group. Methods Forty adult male Wistar rats had stainless steel springs installed on their left upper first molars in order to generate tooth movement for 18 days. After this initial period, the animals were divided into three groups: (1) 30 mg/kg of CMT-3; (2) 5 mg/kg of simvastatin; and (3) 0.5% carboxymethylcellulose, and each group was treated for 20 days. Micro-CT images were analyzed (conventional method and 3D reconstruction) on the 7th and 18th days following spring fixation and finally, 20 days after treatment either with CMT-3 or simvastatin (38th day). Bone mineral density (BMD) of the mesial and distal roots of the upper first molar was also analyzed. Results The difference was statistically significant between the groups as to recurrence (p=0.048), and the post hoc test identified the value of p=0.007 between the control group and the CMT-3 group. Simvastatin was not able to inhibit tooth relapse. The bone mineral densities of both the mesial and distal roots were different between the three groups, after the 20th day of drug use (p=0001 and p < 0001). Conclusion Our findings support the initial evidence that CMT-3 is able to prevent relapse after tooth movement. Future trials in humans should evaluate such treatment as a promising approach to preventing this common phenomenon. Clinical Relevance Considering the results obtained, CMT-3 can be used to avoid relapse after tooth movement.
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Macri-Pellizzeri L, De Melo N, Ahmed I, Grant D, Scammell B, Sottile V. Live Quantitative Monitoring of Mineral Deposition in Stem Cells Using Tetracycline Hydrochloride. Tissue Eng Part C Methods 2018; 24:171-178. [PMID: 29353532 PMCID: PMC5865259 DOI: 10.1089/ten.tec.2017.0400] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The final stage of in vitro osteogenic differentiation is characterized by the production of mineral deposits containing calcium cations and inorganic phosphates, which populate the extracellular matrix (ECM) surrounding the cell monolayer. Conventional histological techniques for the assessment of mineralization, such as Von Kossa and Alizarin Red S staining, are end point techniques requiring cell fixation. Moreover, in both cases staining quantitation requires dye extraction, which irreversibly alters the ECM conformation and structure, therefore preventing the use of the sample for further analysis. In this study, the use of tetracycline hydrochloride (TC) is proposed for the nondestructive staining, quantitation, and imaging of mineralizing bone-like nodules in live cultures of human bone marrow mesenchymal stem cells cultured under osteogenic conditions. Overnight administration of TC to living cells was shown not to alter the metabolic activity or the progression of cell differentiation. When applied to differentiating cultures, cell exposure to serial doses of TC was found to produce quantifiable fluorescence emission specifically in osteogenic cultures. Incubation with TC enabled fluorescence imaging of mineralized areas in live cultures and the combination with other fluorophores using appropriate filters. These results demonstrate that serial TC administration over the differentiation time course provides a qualitative and quantitative tool for the monitoring and evaluation of the differentiation process in live cells.
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Affiliation(s)
- Laura Macri-Pellizzeri
- 1 Wolfson STEM Centre, Division of Cancer and Stem Cells, School of Medicine, The University of Nottingham , Nottingham, United Kingdom .,2 Advanced Materials Group, Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Engineering, The University of Nottingham , Nottingham, United Kingdom
| | - Nigel De Melo
- 1 Wolfson STEM Centre, Division of Cancer and Stem Cells, School of Medicine, The University of Nottingham , Nottingham, United Kingdom
| | - Ifty Ahmed
- 2 Advanced Materials Group, Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Engineering, The University of Nottingham , Nottingham, United Kingdom
| | - David Grant
- 2 Advanced Materials Group, Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Engineering, The University of Nottingham , Nottingham, United Kingdom
| | - Brigitte Scammell
- 3 Orthopaedics and Trauma Group, Division of Rheumatology, Orthopaedics, and Dermatology, School of Medicine, The University of Nottingham , Nottingham, United Kingdom
| | - Virginie Sottile
- 1 Wolfson STEM Centre, Division of Cancer and Stem Cells, School of Medicine, The University of Nottingham , Nottingham, United Kingdom
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Svrcina H, Greer A, Baker S, Smith M, Martinez P, Granger N, Thomas N, Miller J, Steinke E, Davitt K, Sloane E, Nugent L, Sabo R, Williams C, Lipton MA, Jones D. Death effects of reveromycin A in normal and disease-associated cells of the joint. J Cell Biochem 2017; 119:4382-4396. [PMID: 29077233 DOI: 10.1002/jcb.26463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/24/2017] [Indexed: 11/09/2022]
Abstract
Earlier work in our laboratory demonstrated that naturally occurring reveromycin A (Rev A) causes apoptosis in osteoclasts without accompanying necrosis. Rev A death effects in both normal and diseased joint cells were investigated in this study. A dose of 10 μM Rev A did not cause apoptosis nor necrosis in monolayer chondrocytes, even at pH 6.8, a pH mimicking that of an inflamed joint. In contrast, at the acidic pH Rev A did induce significant apoptosis (fourfold increase at 48 h of treatment, P < 0.005) in normal synoviocytes without accompanying necrosis. Western blot of the normal synoviocyte proteins revealed that cytochrome c levels were not significantly changed over the time course of treatment nor did caspase 8 activity increase; therefore, Rev A appears to exert this apoptotic effect through a mechanism independent of the classical intrinsic and extrinsic pathways. Fibroblast-like synoviocytes isolated from rheumatoid arthritis patients (RAFLS) as well as normal human fibroblast-like synoviocytes (NHFLS), cells known to play key roles in arthritic joint pathology, were also subjected to Rev A treatment at both physiologic and acidic pH's. Neither apoptosis nor necrosis was induced in either RAFLS or NHFLS. Parallel mitomycin C treatment of NHFLS induced both apoptosis and necrosis. Comparative structure-activity analyses of Rev A and mitomycin C revealed that Rev A is less likely to cross the cell membrane at near neutral pH. Collectively the data reveal that a physiological dose of Rev A under acidic conditions induces normal synoviocytes to undergo apoptosis while pathologic fibroblast-like synoviocytes are resistant to apoptosis and necrosis.
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Affiliation(s)
- Haley Svrcina
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Austin Greer
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Seth Baker
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Morgan Smith
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Patricia Martinez
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Nathan Granger
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Natassja Thomas
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Jaylin Miller
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Ellen Steinke
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Kelsey Davitt
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Emily Sloane
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Lauren Nugent
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Ryan Sabo
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Calli Williams
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
| | - Mark A Lipton
- Department of Chemistry, Purdue University, West Lafayette, Indiana
| | - Daniel Jones
- Division of Natural Sciences, Department of Biology, Indiana Wesleyan University, Marion, Indiana
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Mead B, Morgan H, Mann-Knowlton A, Tedeschi L, Sloan C, Lang S, Hines C, Gragg M, Stofer J, Riemann K, Derr T, Heller E, Collins D, Landis P, Linna N, Jones D. Reveromycin A-Induced Apoptosis in Osteoclasts Is Not Accompanied by Necrosis. J Cell Biochem 2015; 116:1646-57. [DOI: 10.1002/jcb.25125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 02/02/2015] [Indexed: 12/23/2022]
Affiliation(s)
- Brittany Mead
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Heather Morgan
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Alyssa Mann-Knowlton
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Laura Tedeschi
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Chris Sloan
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Spenser Lang
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Cory Hines
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Megan Gragg
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Jonathan Stofer
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Kaitlin Riemann
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Tyler Derr
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Emily Heller
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - David Collins
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Paul Landis
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Nathan Linna
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
| | - Daniel Jones
- Division of Natural Sciences; Department of Biology; Indiana Wesleyan University; South Washington Street Marion Indiana
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Hohman EE, McCabe GP, Peacock M, Weaver CM. Validation of urinary calcium isotope excretion from bone for screening anabolic therapies for osteoporosis. Osteoporos Int 2014; 25:2471-5. [PMID: 24969137 DOI: 10.1007/s00198-014-2790-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 06/20/2014] [Indexed: 11/27/2022]
Abstract
SUMMARY Urinary excretion of calcium tracers in labeled individuals decreases in response to antiresorptive therapy, providing a tool to rapidly screen potential therapies. Using teriparatide, we demonstrate in this study that anabolic therapy also decreases tracer excretion, confirming that this method can also be used to screen potential anabolic therapies. INTRODUCTION Changes in urinary excretion of calcium tracers from a labeled skeleton may be a rapid and sensitive method to screen potential therapies for osteoporosis. This method has been used to screen antiresorptive therapies, but the effect of anabolic therapies on tracer excretion is unknown. METHODS Eight-month-old female Sprague Dawley rats (n = 11) were given 50 μCi (45)Ca iv. After a 1-month equilibration period, baseline urinary (45)Ca excretion and total bone mineral content (BMC) were measured. Rats were then treated with 30 μg/kg teriparatide sc per day, a bone anabolic agent, for 80 days. Urine was collected throughout the study and analyzed for (45)Ca and total Ca, and BMC was measured at the beginning and end of the study. RESULTS Teriparatide decreased urinary (45)Ca excretion by 52.1 % and increased BMC by 21.7 %. The change in bone calcium retention as determined by the ratio of (45)Ca to total Ca excretion in urine from day 6 through 15 of teriparatide treatment was significantly correlated (p = 0.036) with the change in BMC after 80 days of teriparatide treatment. CONCLUSION Urinary excretion of calcium tracers from labeled bone is an effective method to rapidly screen potential anabolic therapies for osteoporosis.
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Affiliation(s)
- E E Hohman
- Department of Nutrition Science, Purdue University, 700 W. State Street, West Lafayette, IN, 47907, USA
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Kallala R, Graham SM, Nikkhah D, Kyrkos M, Heliotis M, Mantalaris A, Tsiridis E. In vitroandin vivoeffects of antibiotics on bone cell metabolism and fracture healing. Expert Opin Drug Saf 2011; 11:15-32. [DOI: 10.1517/14740338.2012.643867] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Gomes-Filho JE, de Moraes Costa MMT, Cintra LTA, Duarte PCT, Takamiya AS, Lodi CS, Bernabé PFE. Evaluation of rat alveolar bone response to Angelus MTA or experimental light-cured mineral trioxide aggregate using fluorochromes. J Endod 2011; 37:250-4. [PMID: 21238812 DOI: 10.1016/j.joen.2010.11.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2010] [Revised: 10/30/2010] [Accepted: 11/06/2010] [Indexed: 10/18/2022]
Abstract
INTRODUCTION The aim of this study was to evaluate the rat alveolar bone response after the implantation of experimental light-cured mineral trioxide aggregate (MTA) or Angelus MTA (Angelus, Londrina, Paraná, Brazil) by histological and fluorescence analysis. METHODS Thirty Wistar Albino rats were divided into three groups. In the control group, empty polyethylene tubes were inserted into the rat alveolar sockets immediately after extraction. In the other groups, the tubes were filled with light-cured MTA or Angelus MTA. Five animals from each group were injected with calcein on day 7, alizarin on day 14, and oxytetracycline on day 21. On day 30, these animals were killed, and the right hemimaxillas were removed and histologically processed. Half of the maxillas were processed and stained with hematoxylin and eosin. The remaining maxillas were processed for fluorescence analysis and stained with Stevenel blue and alizarin red. New bone was histomorphometrically evaluated using a Merz grid. RESULTS The light-cured MTA presented a similar response when compared with Angelus MTA; it was characterized by a mild inflammatory response and complete bone healing. In the light-cured MTA group, the fluorescence areas were more evident at 21 days, showing an increase in bone formation. However, dystrophic mineralization was observed only with Angelus MTA. CONCLUSIONS It was concluded that both materials present a similar inflammatory response and bone healing, but dystrophic mineralization was observed only with Angelus MTA.
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Franco GCN, Kajiya M, Nakanishi T, Ohta K, Rosalen PL, Groppo FC, Ernst CWO, Boyesen JL, Bartlett JD, Stashenko P, Taubman MA, Kawai T. Inhibition of matrix metalloproteinase-9 activity by doxycycline ameliorates RANK ligand-induced osteoclast differentiation in vitro and in vivo. Exp Cell Res 2011; 317:1454-64. [PMID: 21420951 DOI: 10.1016/j.yexcr.2011.03.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Revised: 03/13/2011] [Accepted: 03/15/2011] [Indexed: 11/17/2022]
Abstract
Tetracycline antibiotics, including doxycycli\e (DOX), have been used to treat bone resorptive diseases, partially because of their activity to suppress osteoclastogenesis induced by receptor activator of nuclear factor kappa B ligand (RANKL). However, their precise inhibitory mechanism remains unclear. Therefore, the present study examined the effect of Dox on osteoclastogenesis signaling induced by RANKL, both in vitro and in vivo. Although Dox inhibited RANKL-induced osteoclastogenesis and down-modulated the mRNA expression of functional osteoclast markers, including tartrate-resistant acid phosphatase (TRAP) and cathepsin K, Dox neither affected RANKL-induced MAPKs phosphorylation nor NFATc1 gene expression in RAW264.7 murine monocytic cells. Gelatin zymography and Western blot analyses showed that Dox down-regulated the enzyme activity of RANKL-induced MMP-9, but without affecting its protein expression. Furthermore, MMP-9 enzyme inhibitor also attenuated both RANKL-induced osteoclastogenesis and up-regulation of TRAP and cathepsin K mRNA expression, indicating that MMP-9 enzyme action is engaged in the promotion of RANKL-induced osteoclastogenesis. Finally, Dox treatment abrogated RANKL-induced osteoclastogenesis and TRAP activity in mouse calvaria along with the suppression of MMP9 enzyme activity, again without affecting the expression of MMP9 protein. These findings suggested that Dox inhibits RANKL-induced osteoclastogenesis by its inhibitory effect on MMP-9 enzyme activity independent of the MAPK-NFATc1 signaling cascade.
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Affiliation(s)
- Gilson C N Franco
- Department of Immunology, Forsyth Institute, Cambridge, MA 02142, USA
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Ibsen CJS, Birkedal H. Modification of bone-like apatite nanoparticle size and growth kinetics by alizarin red S. NANOSCALE 2010; 2:2478-2486. [PMID: 20931127 DOI: 10.1039/c0nr00488j] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The formation of nanocrystals in biomineralization such as in bone occurs under the influence of organic molecules. Prompted by this fact, the effect of alizarin red S, a dye used in in vivo bone labeling methods, on bone-like carbonated apatite nanocrystal formation was investigated as a function of alizarin red S additive concentration. The obtained nanoparticles were investigated by powder X-ray diffraction (XRD), FTIR as well thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) while the kinetics of nanoparticle formation was investigated by in situ pH and synchrotron XRD measurements. Increasing alizarin red S concentration lead to amorphous particles over a threshold concentration and to smaller crystallites in a dose-dependent fashion. Alizarin red S induced a macroscopic lattice strain that scaled linearly with the alizarin red S concentration; this effect is reminiscent of that seen in biogenic calcium carbonates. TGA showed that the amorphous particles contained significantly more water than the crystalline samples and the DSC data showed that crystallization occurs after loss of most of the included organic material. The in situ studies showed that the formation of apatite goes via the very rapid formation of an amorphous precursor that after a certain nucleation time crystallizes into apatite. This nucleation time increased exponentially with alizarin red S concentration showing that this additive strongly stabilizes the amorphous precursor phase.
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Affiliation(s)
- Casper Jon Steenberg Ibsen
- Department of Chemistry and Interdisciplinary Nanoscience Center (iNANO), Aarhus University, 140 Langelandsgade, DK-8000, Aarhus C, Denmark
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